/* ============================================
   Yellapragada Siddharth - Portfolio
   Dark Theme: Deep Violet + Soft Purple Accents
   Built clean. No duplicates. No white anywhere.
   ============================================ */

*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-dark: #0a0418;
    --bg-card: #140a28;
    --bg-card-hover: #1c1035;
    --accent: #a855f7;
    --accent-alt: #c084fc;
    --text: #f0eaf5;
    --text-dim: #a89bb5;
    --border: rgba(168, 85, 247, 0.15);
    --border-hover: rgba(168, 85, 247, 0.4);
    --glow: rgba(168, 85, 247, 0.25);
    --glow-strong: rgba(168, 85, 247, 0.5);
    --navbar-bg: rgba(10, 4, 24, 0.92);
    --navbar-bg-scroll: rgba(10, 4, 24, 0.98);
}

/* ─── Light Theme ─── */
[data-theme="light"] {
    --bg-dark: #f5f0fa;
    --bg-card: #ffffff;
    --bg-card-hover: #f0e8f5;
    --accent: #7c3aed;
    --accent-alt: #8b5cf6;
    --text: #1a1033;
    --text-dim: #5c4d6e;
    --border: rgba(124, 58, 237, 0.15);
    --border-hover: rgba(124, 58, 237, 0.35);
    --glow: rgba(124, 58, 237, 0.15);
    --glow-strong: rgba(124, 58, 237, 0.3);
    --navbar-bg: rgba(245, 240, 250, 0.92);
    --navbar-bg-scroll: rgba(245, 240, 250, 0.98);
}

[data-theme="light"] .hero {
    background:
        radial-gradient(ellipse at 50% 50%, rgba(168, 85, 247, 0.15) 0%, transparent 40%),
        radial-gradient(ellipse at 50% 50%, rgba(140, 100, 220, 0.12) 0%, transparent 55%),
        radial-gradient(ellipse at 50% 50%, #ede5f5 0%, #f5f0fa 70%);
}

[data-theme="light"] .hero::before {
    border-color: rgba(124, 58, 237, 0.2);
    box-shadow: 0 0 40px rgba(124, 58, 237, 0.06), inset 0 0 40px rgba(124, 58, 237, 0.03);
}

[data-theme="light"] .hero::after {
    border-color: rgba(124, 58, 237, 0.12);
    box-shadow: 0 0 25px rgba(124, 58, 237, 0.04);
}

[data-theme="light"] .hero-title {
    color: #1a1033;
}

[data-theme="light"] .navbar {
    background: transparent;
    border-bottom-color: rgba(124, 58, 237, 0.1);
}

[data-theme="light"] .blob-1 {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.15), transparent 70%);
}

[data-theme="light"] .blob-2 {
    background: radial-gradient(circle, rgba(140, 100, 220, 0.12), transparent 70%);
}

[data-theme="light"] .hero-background::before {
    box-shadow:
        calc(50vw) calc(30vh) 2px rgba(124, 58, 237, 0.3),
        calc(80vw) calc(60vh) 1px rgba(124, 58, 237, 0.2),
        calc(30vw) calc(80vh) 1px rgba(124, 58, 237, 0.25),
        calc(70vw) calc(20vh) 2px rgba(124, 58, 237, 0.3),
        calc(20vw) calc(50vh) 1px rgba(124, 58, 237, 0.2),
        calc(90vw) calc(10vh) 1px rgba(124, 58, 237, 0.2),
        calc(40vw) calc(70vh) 2px rgba(124, 58, 237, 0.25),
        calc(60vw) calc(40vh) 1px rgba(124, 58, 237, 0.3),
        calc(15vw) calc(25vh) 1px rgba(124, 58, 237, 0.2),
        calc(75vw) calc(75vh) 2px rgba(124, 58, 237, 0.2);
}

[data-theme="light"] .skills {
    background: transparent;
}

[data-theme="light"] .certifications {
    background: transparent;
}

[data-theme="light"] .contact {
    background: transparent;
}

[data-theme="light"] .footer {
    background: transparent;
}

[data-theme="light"] .cta-button {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
}

[data-theme="light"] .project-card,
[data-theme="light"] .skill-category,
[data-theme="light"] .experience-item,
[data-theme="light"] .education-item,
[data-theme="light"] .cert-card,
[data-theme="light"] .about-excites {
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.06);
}

[data-theme="light"] .section-header h2 {
    background: linear-gradient(135deg, #7c3aed, #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

[data-theme="light"] .project-orb {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.4), rgba(139, 92, 246, 0.15));
    box-shadow: 0 0 20px rgba(124, 58, 237, 0.2);
}

[data-theme="light"] .hamburger span {
    background: #1a1033;
}

html {
    scroll-behavior: smooth;
    background: var(--bg-dark);
    min-height: 100%;
    scroll-snap-type: y mandatory;
}

[data-theme="light"] html {
    background: 
        linear-gradient(180deg, 
            #87CEEB 0%,     /* Sky Blue */
            #B0E0E6 25%,    /* Powder Blue */
            #E0F6FF 50%,    /* Alice Blue */
            #F0F8FF 75%,    /* Ghost White */
            #FFFFFF 100%    /* Pure White */
        );
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Segoe UI', 'Helvetica Neue', sans-serif;
    color: var(--text);
    background: 
        radial-gradient(ellipse at center, #0a0418 0%, #050212 50%, #000000 100%),
        linear-gradient(135deg, #000000 0%, #0a0418 30%, #000000 100%);
    line-height: 1.6;
    overflow-x: hidden;
    overflow-y: auto; /* Ensure vertical scrolling works */
    -webkit-font-smoothing: antialiased;
    position: relative;
    min-height: 100vh; /* Allow content to extend beyond viewport */
}

/* Light theme body background - Dreamy Serene Blue Sky */
[data-theme="light"] body {
    background: 
        linear-gradient(180deg, 
            #87CEEB 0%,     /* Sky Blue */
            #B0E0E6 25%,    /* Powder Blue */
            #E0F6FF 50%,    /* Alice Blue */
            #F0F8FF 75%,    /* Ghost White */
            #FFFFFF 100%    /* Pure White */
        );
    min-height: 100vh;
    background-attachment: fixed;
    background-repeat: no-repeat;
    background-size: 100% 100%;
}

/* ─── Space Background with Stars ─── */
.space-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

/* Hide space background completely in light mode */
[data-theme="light"] .space-background .stars,
[data-theme="light"] .space-background .constellation,
[data-theme="light"] .space-background .nebula {
    display: none;
}

/* Show space background in dark mode */
[data-theme="dark"] .space-background .stars,
[data-theme="dark"] .space-background .constellation,
[data-theme="dark"] .space-background .nebula {
    display: block;
}

/* ─── Clouds for Light Mode ─── */
.clouds-container {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: opacity 0.8s ease;
    z-index: 0;
    pointer-events: none;
}

[data-theme="light"] .clouds-container {
    opacity: 1;
}

.cloud {
    position: absolute;
    background: linear-gradient(135deg, 
        rgba(255, 255, 255, 0.98) 0%, 
        rgba(255, 255, 255, 0.95) 50%, 
        rgba(248, 252, 255, 0.9) 100%);
    border-radius: 80px;
    opacity: 0.95;
    animation: cloudFloat 30s ease-in-out infinite;
    box-shadow: 
        0 8px 32px rgba(255, 255, 255, 0.4),
        0 4px 16px rgba(184, 230, 255, 0.3);
}

.cloud::before,
.cloud::after {
    content: '';
    position: absolute;
    background: inherit;
    border-radius: 80px;
    box-shadow: inherit;
}

.cloud-1 {
    width: 220px;
    height: 80px;
    top: 12%;
    left: 5%;
    animation-delay: 0s;
}

.cloud-1::before {
    width: 110px;
    height: 110px;
    top: -55px;
    left: 20px;
}

.cloud-1::after {
    width: 140px;
    height: 90px;
    top: -40px;
    right: 20px;
}

.cloud-2 {
    width: 200px;
    height: 70px;
    top: 20%;
    right: 50%;
    animation-delay: -10s;
}

.cloud-2::before {
    width: 100px;
    height: 100px;
    top: -50px;
    left: 25px;
}

.cloud-2::after {
    width: 120px;
    height: 80px;
    top: -35px;
    right: 25px;
}

.cloud-3 {
    width: 260px;
    height: 90px;
    top: 32%;
    left: 2%;
    animation-delay: -20s;
}

.cloud-3::before {
    width: 130px;
    height: 130px;
    top: -65px;
    left: 30px;
}

.cloud-3::after {
    width: 160px;
    height: 100px;
    top: -45px;
    right: 30px;
}

.cloud-4 {
    width: 180px;
    height: 65px;
    top: 45%;
    right: 15%;
    animation-delay: -30s;
}

.cloud-4::before {
    width: 90px;
    height: 90px;
    top: -45px;
    left: 20px;
}

.cloud-4::after {
    width: 110px;
    height: 70px;
    top: -30px;
    right: 20px;
}

.cloud-5 {
    width: 240px;
    height: 85px;
    top: 60%;
    left: 8%;
    animation-delay: -15s;
}

.cloud-5::before {
    width: 120px;
    height: 120px;
    top: -60px;
    left: 25px;
}

.cloud-5::after {
    width: 150px;
    height: 95px;
    top: -42px;
    right: 25px;
}

.cloud-6 {
    width: 280px;
    height: 95px;
    top: 72%;
    right: 20%;
    animation-delay: -25s;
}

.cloud-6::before {
    width: 140px;
    height: 140px;
    top: -70px;
    left: 35px;
}

.cloud-6::after {
    width: 170px;
    height: 110px;
    top: -50px;
    right: 35px;
}

/* Add more clouds for better coverage */
.cloud-7 {
    width: 190px;
    height: 68px;
    top: 85%;
    left: 15%;
    animation-delay: -5s;
}

.cloud-7::before {
    width: 95px;
    height: 95px;
    top: -47px;
    left: 22px;
}

.cloud-7::after {
    width: 115px;
    height: 75px;
    top: -32px;
    right: 22px;
}

.cloud-8 {
    width: 210px;
    height: 75px;
    top: 25%;
    right: 60%;
    animation-delay: -35s;
}

.cloud-8::before {
    width: 105px;
    height: 105px;
    top: -52px;
    left: 25px;
}

.cloud-8::after {
    width: 130px;
    height: 85px;
    top: -37px;
    right: 25px;
}

/* Additional big clouds for bottom area coverage */
.cloud-9 {
    width: 300px;
    height: 100px;
    top: 78%;
    left: 25%;
    animation-delay: -40s;
}

.cloud-9::before {
    width: 150px;
    height: 150px;
    top: -75px;
    left: 40px;
}

.cloud-9::after {
    width: 180px;
    height: 120px;
    top: -55px;
    right: 40px;
}

.cloud-10 {
    width: 250px;
    height: 90px;
    top: 88%;
    right: 5%;
    animation-delay: -45s;
}

.cloud-10::before {
    width: 125px;
    height: 125px;
    top: -62px;
    left: 30px;
}

.cloud-10::after {
    width: 155px;
    height: 100px;
    top: -45px;
    right: 30px;
}

.cloud-11 {
    width: 320px;
    height: 110px;
    top: 92%;
    left: 5%;
    animation-delay: -50s;
}

.cloud-11::before {
    width: 160px;
    height: 160px;
    top: -80px;
    left: 45px;
}

.cloud-11::after {
    width: 190px;
    height: 130px;
    top: -60px;
    right: 45px;
}

.cloud-12 {
    width: 280px;
    height: 95px;
    top: 85%;
    right: 30%;
    animation-delay: -55s;
}

.cloud-12::before {
    width: 140px;
    height: 140px;
    top: -70px;
    left: 35px;
}

.cloud-12::after {
    width: 170px;
    height: 110px;
    top: -50px;
    right: 35px;
}

/* Additional middle area clouds for complete coverage */
.cloud-13 {
    width: 230px;
    height: 80px;
    top: 52%;
    left: 35%;
    animation-delay: -60s;
}

.cloud-13::before {
    width: 115px;
    height: 115px;
    top: -57px;
    left: 28px;
}

.cloud-13::after {
    width: 145px;
    height: 90px;
    top: -40px;
    right: 28px;
}

.cloud-14 {
    width: 270px;
    height: 88px;
    top: 55%;
    right: 50%;
    animation-delay: -65s;
}

.cloud-14::before {
    width: 135px;
    height: 135px;
    top: -67px;
    left: 32px;
}

.cloud-14::after {
    width: 165px;
    height: 105px;
    top: -47px;
    right: 32px;
}

@keyframes cloudFloat {
    0%, 100% { 
        transform: translateX(0) translateY(0); 
        opacity: 0.95; 
    }
    25% { 
        transform: translateX(40px) translateY(-20px); 
        opacity: 1; 
    }
    50% { 
        transform: translateX(-20px) translateY(10px); 
        opacity: 0.9; 
    }
    75% { 
        transform: translateX(25px) translateY(-10px); 
        opacity: 0.95; 
    }
}

/* Mobile responsiveness for clouds */
@media (max-width: 768px) {
    .cloud {
        transform: scale(0.6);
    }
    
    .cloud-1 { top: 18%; left: 0%; }
    .cloud-2 { top: 15%; right: 45%; }
    .cloud-3 { top: 35%; left: -5%; }
    .cloud-4 { top: 42%; right: 5%; }
    .cloud-5 { top: 58%; left: 2%; }
    .cloud-6 { top: 68%; right: 8%; }
    .cloud-7 { top: 80%; left: 8%; }
    .cloud-8 { top: 20%; right: 55%; }
    .cloud-9 { top: 75%; left: 15%; }
    .cloud-10 { top: 85%; right: 0%; }
    .cloud-11 { top: 90%; left: 0%; }
    .cloud-12 { top: 82%; right: 20%; }
    .cloud-13 { top: 50%; left: 25%; }
    .cloud-14 { top: 50%; right: 45%; }
}

.stars {
    position: absolute;
    width: 100%;
    height: 100%;
}

.star {
    position: absolute;
    background: white;
    border-radius: 50%;
    animation: twinkle 3s ease-in-out infinite;
}

.star.small {
    width: 1px;
    height: 1px;
    opacity: 0.8;
}

.star.medium {
    width: 2px;
    height: 2px;
    opacity: 0.9;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.8);
}

.star.large {
    width: 3px;
    height: 3px;
    opacity: 1;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.9);
}

.star.bright {
    width: 2px;
    height: 2px;
    background: #a855f7;
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.8);
    animation: brightTwinkle 2s ease-in-out infinite;
}

/* Light theme stars */
[data-theme="light"] .star {
    background: rgba(124, 58, 237, 0.4);
}

[data-theme="light"] .star.medium {
    box-shadow: 0 0 6px rgba(124, 58, 237, 0.5);
}

[data-theme="light"] .star.large {
    box-shadow: 0 0 10px rgba(124, 58, 237, 0.6);
}

[data-theme="light"] .star.bright {
    background: #7c3aed;
    box-shadow: 0 0 15px rgba(124, 58, 237, 0.6);
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

@keyframes brightTwinkle {
    0%, 100% { opacity: 0.6; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.5); }
}

/* Shooting stars */
.shooting-star {
    position: absolute;
    width: 2px;
    height: 2px;
    background: linear-gradient(45deg, #ffffff, transparent);
    border-radius: 50%;
    animation: shoot 8s linear infinite;
}

[data-theme="light"] .shooting-star {
    background: linear-gradient(45deg, rgba(124, 58, 237, 0.6), transparent);
}

@keyframes shoot {
    0% {
        transform: translateX(-100px) translateY(-100px);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateX(calc(100vw + 100px)) translateY(calc(100vh + 100px));
        opacity: 0;
    }
}

/* All content should be above background */
.navbar,
.hero,
section,
.footer,
.ai-assistant,
.preloader,
.section-radar {
    position: relative;
    z-index: 1;
}

/* ─── Section Radar ─── */
.section-radar {
    position: fixed;
    right: 1.5rem;
    top: 50%;
    transform: translateY(-50%);
    z-index: 100;
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.radar-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.3);
    border: 2px solid rgba(168, 85, 247, 0.5);
    transition: all 0.3s ease;
    position: relative;
    text-decoration: none;
    display: block;
}

.radar-dot span {
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(10, 4, 24, 0.9);
    color: var(--text);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.radar-dot:hover,
.radar-dot.active {
    background: rgba(168, 85, 247, 0.8);
    transform: scale(1.15);
    border-color: var(--accent);
}

.radar-dot:hover span,
.radar-dot.active span {
    opacity: 1;
}

[data-theme="light"] .radar-dot span {
    background: rgba(255, 255, 255, 0.9);
    color: var(--text);
}

/* ─── 3D Celestial Bodies (Apple-Level Design) ─── */
.celestial-body {
    position: fixed;
    top: 10%;
    right: 8%;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    transition: all 0.8s cubic-bezier(0.25, 0.8, 0.25, 1);
    z-index: 5;
    pointer-events: none;
}

/* ─── 3D Moon Design ─── */
.moon {
    opacity: 1;
    transform: scale(1);
    top: 15%;
    left: 15%;
    visibility: visible;
}

[data-theme="light"] .moon {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
    visibility: hidden;
}

[data-theme="dark"] .moon {
    opacity: 1;
    transform: scale(1);
    visibility: visible;
}

.moon-surface {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 30% 30%, #f8f9fa 0%, #e9ecef 30%, #dee2e6 60%, #adb5bd 100%);
    box-shadow: 
        inset -20px -20px 40px rgba(0, 0, 0, 0.3),
        inset 10px 10px 20px rgba(255, 255, 255, 0.1),
        0 0 60px rgba(248, 249, 250, 0.4),
        0 0 120px rgba(248, 249, 250, 0.2);
    position: relative;
    overflow: hidden;
    animation: moonRotate 60s linear infinite;
}

[data-theme="light"] .moon-surface {
    background: 
        radial-gradient(circle at 30% 30%, #f0f0f0 0%, #e0e0e0 30%, #d0d0d0 60%, #c0c0c0 100%);
    box-shadow: 
        inset -15px -15px 30px rgba(0, 0, 0, 0.2),
        inset 8px 8px 16px rgba(255, 255, 255, 0.3),
        0 0 40px rgba(240, 240, 240, 0.3);
}

.moon-glow {
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(248, 249, 250, 0.1) 0%, transparent 70%);
    animation: moonGlow 4s ease-in-out infinite;
}

.moon-crater {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.2) 0%, rgba(0, 0, 0, 0.1) 50%, transparent 100%);
    box-shadow: inset 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.crater-1 {
    width: 12px;
    height: 12px;
    top: 25%;
    left: 40%;
}

.crater-2 {
    width: 8px;
    height: 8px;
    top: 45%;
    left: 25%;
}

.crater-3 {
    width: 15px;
    height: 15px;
    top: 60%;
    left: 55%;
}

.crater-4 {
    width: 6px;
    height: 6px;
    top: 35%;
    left: 65%;
}

.crater-5 {
    width: 10px;
    height: 10px;
    top: 70%;
    left: 30%;
}

@keyframes moonRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes moonGlow {
    0%, 100% { opacity: 0.6; }
    50% { opacity: 1; }
}

/* ─── 3D Sun Design ─── */
.sun {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
    top: 10%;
    right: 8%;
    visibility: hidden;
}

[data-theme="light"] .sun {
    opacity: 1;
    transform: scale(0.8);
    visibility: visible;
}

[data-theme="dark"] .sun {
    opacity: 0;
    transform: scale(0.8) translateY(-20px);
    visibility: hidden;
}

.sun-core {
    width: 100%;
    height: 100%;
    border-radius: 50%;
    background: 
        radial-gradient(circle at 35% 25%, #fff9e6 0%, #ffeb3b 15%, #ffc107 40%, #ff9800 70%, #ff5722 100%);
    box-shadow: 
        inset -8px -8px 20px rgba(255, 87, 34, 0.3),
        inset 8px 8px 15px rgba(255, 255, 255, 0.4),
        0 0 60px rgba(255, 193, 7, 0.8),
        0 0 120px rgba(255, 193, 7, 0.4),
        0 0 180px rgba(255, 193, 7, 0.2);
    position: relative;
    overflow: visible;
    animation: sunGlow 4s ease-in-out infinite;
}

.sun-flare {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 235, 59, 0.6) 0%, rgba(255, 193, 7, 0.3) 40%, transparent 70%);
    animation: sunFlareNew 3s ease-in-out infinite;
}

.flare-1 {
    width: 130%;
    height: 130%;
    top: -15%;
    left: -15%;
    animation-delay: 0s;
}

.flare-2 {
    width: 110%;
    height: 110%;
    top: -5%;
    left: -5%;
    animation-delay: 1s;
}

.flare-3 {
    width: 150%;
    height: 150%;
    top: -25%;
    left: -25%;
    animation-delay: 2s;
}

.flare-4 {
    width: 105%;
    height: 105%;
    top: -2.5%;
    left: -2.5%;
    animation-delay: 1.5s;
}

.sun-rays {
    position: absolute;
    inset: 0;
    animation: sunRaysRotate 25s linear infinite;
}

.sun-ray {
    position: absolute;
    width: 2px;
    height: 45px;
    background: linear-gradient(to bottom, 
        rgba(255, 235, 59, 1) 0%, 
        rgba(255, 193, 7, 0.8) 30%, 
        rgba(255, 152, 0, 0.4) 70%, 
        transparent 100%);
    border-radius: 2px;
    transform-origin: center bottom;
    box-shadow: 0 0 8px rgba(255, 193, 7, 0.6);
}

/* Light mode sun rays - extremely subtle and barely visible */
[data-theme="light"] .sun-ray {
    width: 1px;
    height: 25px;
    background: linear-gradient(to bottom, 
        rgba(255, 255, 255, 0.15) 0%,    /* Extremely light */
        rgba(255, 255, 255, 0.1) 30%,     /* Barely visible */
        rgba(255, 255, 255, 0.05) 60%,    /* Almost nothing */
        rgba(255, 255, 255, 0.02) 80%,    /* Practically invisible */
        transparent 100%);                 /* Fade to nothing */
    box-shadow: none; /* Remove glow completely */
    border-radius: 0.5px;
    opacity: 0.25; /* Very low overall opacity */
}

.ray-1 { top: -45px; left: 50%; transform: translateX(-50%) rotate(0deg); }
.ray-2 { top: -32px; right: -32px; transform: rotate(45deg); }
.ray-3 { top: 50%; right: -45px; transform: translateY(-50%) rotate(90deg); }
.ray-4 { bottom: -32px; right: -32px; transform: rotate(135deg); }
.ray-5 { bottom: -45px; left: 50%; transform: translateX(-50%) rotate(180deg); }
.ray-6 { bottom: -32px; left: -32px; transform: rotate(225deg); }
.ray-7 { top: 50%; left: -45px; transform: translateY(-50%) rotate(270deg); }
.ray-8 { top: -32px; left: -32px; transform: rotate(315deg); }

/* Additional decorative rays */
.ray-9 { top: -38px; left: 25%; transform: rotate(22.5deg); }
.ray-10 { top: -25px; right: -38px; transform: rotate(67.5deg); }
.ray-11 { top: 25%; right: -38px; transform: rotate(112.5deg); }
.ray-12 { bottom: -25px; right: -38px; transform: rotate(157.5deg); }
.ray-13 { bottom: -38px; left: 25%; transform: rotate(202.5deg); }
.ray-14 { bottom: -25px; left: -38px; transform: rotate(247.5deg); }
.ray-15 { top: 25%; left: -38px; transform: rotate(292.5deg); }
.ray-16 { top: -25px; left: -38px; transform: rotate(337.5deg); }

/* Light mode ray positioning - moderate length */
[data-theme="light"] .ray-1 { top: -50px; }
[data-theme="light"] .ray-3 { right: -50px; }
[data-theme="light"] .ray-5 { bottom: -50px; }
[data-theme="light"] .ray-7 { left: -50px; }
[data-theme="light"] .ray-2 { top: -35px; right: -35px; }
[data-theme="light"] .ray-4 { bottom: -35px; right: -35px; }
[data-theme="light"] .ray-6 { bottom: -35px; left: -35px; }
[data-theme="light"] .ray-8 { top: -35px; left: -35px; }
[data-theme="light"] .ray-9 { top: -42px; }
[data-theme="light"] .ray-10 { top: -30px; right: -42px; }
[data-theme="light"] .ray-11 { right: -42px; }
[data-theme="light"] .ray-12 { bottom: -30px; right: -42px; }
[data-theme="light"] .ray-13 { bottom: -42px; }
[data-theme="light"] .ray-14 { bottom: -30px; left: -42px; }
[data-theme="light"] .ray-15 { left: -42px; }
[data-theme="light"] .ray-16 { top: -30px; left: -42px; }

@keyframes sunGlow {
    0%, 100% { 
        transform: scale(1);
        box-shadow: 
            inset -8px -8px 20px rgba(255, 87, 34, 0.3),
            inset 8px 8px 15px rgba(255, 255, 255, 0.4),
            0 0 60px rgba(255, 193, 7, 0.8),
            0 0 120px rgba(255, 193, 7, 0.4),
            0 0 180px rgba(255, 193, 7, 0.2);
    }
    50% { 
        transform: scale(1.02);
        box-shadow: 
            inset -8px -8px 20px rgba(255, 87, 34, 0.4),
            inset 8px 8px 15px rgba(255, 255, 255, 0.5),
            0 0 80px rgba(255, 193, 7, 1),
            0 0 140px rgba(255, 193, 7, 0.6),
            0 0 200px rgba(255, 193, 7, 0.3);
    }
}

@keyframes sunFlareNew {
    0%, 100% { 
        opacity: 0.4; 
        transform: scale(1) rotate(0deg); 
    }
    33% { 
        opacity: 0.7; 
        transform: scale(1.05) rotate(120deg); 
    }
    66% { 
        opacity: 0.5; 
        transform: scale(0.98) rotate(240deg); 
    }
}

@keyframes sunRaysRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Mobile responsiveness for celestial bodies */
@media (max-width: 768px) {
    .celestial-body {
        width: 120px;
        height: 120px;
        top: 8%;
        right: 5%;
    }
    
    .sun-ray {
        height: 30px;
    }
    
    /* Light mode mobile rays - extremely subtle */
    [data-theme="light"] .sun-ray {
        width: 1px;
        height: 20px;
        opacity: 0.2; /* Even lower for mobile */
    }
    
    .ray-1 { top: -30px; }
    .ray-3 { right: -30px; }
    .ray-5 { bottom: -30px; }
    .ray-7 { left: -30px; }
    .ray-2 { top: -21px; right: -21px; }
    .ray-4 { bottom: -21px; right: -21px; }
    .ray-6 { bottom: -21px; left: -21px; }
    .ray-8 { top: -21px; left: -21px; }
    .ray-9 { top: -26px; left: 25%; }
    .ray-10 { top: -18px; right: -26px; }
    .ray-11 { top: 25%; right: -26px; }
    .ray-12 { bottom: -18px; right: -26px; }
    .ray-13 { bottom: -26px; left: 25%; }
    .ray-14 { bottom: -18px; left: -26px; }
    .ray-15 { top: 25%; left: -26px; }
    .ray-16 { top: -18px; left: -26px; }
    
    /* Light mode mobile positioning */
    [data-theme="light"] .ray-1 { top: -40px; }
    [data-theme="light"] .ray-3 { right: -40px; }
    [data-theme="light"] .ray-5 { bottom: -40px; }
    [data-theme="light"] .ray-7 { left: -40px; }
    [data-theme="light"] .ray-2 { top: -28px; right: -28px; }
    [data-theme="light"] .ray-4 { bottom: -28px; right: -28px; }
    [data-theme="light"] .ray-6 { bottom: -28px; left: -28px; }
    [data-theme="light"] .ray-8 { top: -28px; left: -28px; }
}
.noise-overlay {
    position: fixed;
    inset: 0;
    z-index: 1;
    pointer-events: none;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    background-repeat: repeat;
    background-size: 256px 256px;
}

[data-theme="light"] .noise-overlay {
    opacity: 0.02;
}

/* ─── Theme Toggle ─── */
.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-dim);
    transition: all 0.3s;
    margin-left: 1rem;
    flex-shrink: 0;
}

.theme-toggle:hover {
    color: var(--accent);
    border-color: var(--border-hover);
    box-shadow: 0 0 15px var(--glow);
}

.theme-toggle .icon-sun { display: none; }
.theme-toggle .icon-moon { display: block; }

[data-theme="light"] .theme-toggle .icon-sun { display: block; }
[data-theme="light"] .theme-toggle .icon-moon { display: none; }

/* ─── Navigation ─── */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: transparent;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(168, 85, 247, 0.08);
    z-index: 1000;
    padding: 1rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-weight: 700;
    font-size: 1.3rem;
    letter-spacing: -0.5px;
    cursor: pointer;
    color: var(--accent);
    transition: opacity 0.3s;
}

.logo:hover { opacity: 0.7; }

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: 0.3s;
}

/* ─── Hero Section ─── */
.hero {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    padding: 2rem;
    background: transparent;
}

[data-theme="light"] .hero {
    background: transparent;
}

/* Make all sections transparent in both themes to show background */
section {
    background: transparent !important;
}

.about,
.experience,
.projects,
.skills,
.education,
.certifications,
.contact,
.footer {
    background: transparent !important;
}

/* Make all sections transparent in light mode to show sky */
[data-theme="light"] section {
    background: transparent;
}

[data-theme="light"] .about,
[data-theme="light"] .experience,
[data-theme="light"] .projects,
[data-theme="light"] .skills,
[data-theme="light"] .education,
[data-theme="light"] .certifications,
[data-theme="light"] .contact,
[data-theme="light"] .footer {
    background: transparent;
}

/* Light theme section backgrounds - all transparent */
[data-theme="light"] .skills {
    background: transparent;
}

[data-theme="light"] .certifications {
    background: transparent;
}

[data-theme="light"] .contact {
    background: transparent;
}

[data-theme="light"] .footer {
    background: transparent;
}

/* ─── Aurora Blobs ─── */
.aurora {
    position: absolute;
    inset: 0;
    z-index: 0;
    overflow: hidden;
    pointer-events: none;
}

.aurora-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
    mix-blend-mode: screen;
}

.aurora-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.5), transparent 70%);
    top: -10%;
    left: -5%;
    animation: auroraFloat1 12s ease-in-out infinite;
}

.aurora-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(192, 132, 252, 0.4), transparent 70%);
    top: 20%;
    right: -8%;
    animation: auroraFloat2 15s ease-in-out infinite;
}

.aurora-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(232, 121, 249, 0.3), transparent 70%);
    bottom: -5%;
    left: 30%;
    animation: auroraFloat3 18s ease-in-out infinite;
}

@keyframes auroraFloat1 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(60px, 40px) scale(1.1); }
    66% { transform: translate(-30px, 20px) scale(0.95); }
}

@keyframes auroraFloat2 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(-50px, -30px) scale(1.05); }
    66% { transform: translate(40px, -20px) scale(1.1); }
}

@keyframes auroraFloat3 {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(40px, -50px) scale(1.1); }
    66% { transform: translate(-60px, 30px) scale(0.9); }
}

[data-theme="light"] .aurora-blob {
    opacity: 0.15;
    mix-blend-mode: multiply;
}

[data-theme="light"] .aurora-1 {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.4), transparent 70%);
}

[data-theme="light"] .aurora-2 {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.3), transparent 70%);
}

[data-theme="light"] .aurora-3 {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.25), transparent 70%);
}

/* Animated ring 1 */
.hero::before {
    display: none;
}

/* Animated ring 2 */
.hero::after {
    display: none;
}

@keyframes ringRotate {
    from { transform: translate(-50%, -50%) rotate(0deg); }
    to   { transform: translate(-50%, -50%) rotate(360deg); }
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
}

.gradient-blob {
    display: none;
}

.blob-1 {
    display: none;
}

.blob-2 {
    display: none;
}

/* Star particles */
.hero-background::before {
    content: '';
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    top: 20%;
    left: 10%;
    box-shadow:
        calc(50vw) calc(30vh) 2px rgba(255, 255, 255, 0.7),
        calc(80vw) calc(60vh) 1px rgba(255, 255, 255, 0.5),
        calc(30vw) calc(80vh) 1px rgba(168, 85, 247, 0.5),
        calc(70vw) calc(20vh) 2px rgba(192, 132, 252, 0.6),
        calc(20vw) calc(50vh) 1px rgba(255, 255, 255, 0.4),
        calc(90vw) calc(10vh) 1px rgba(168, 85, 247, 0.4),
        calc(40vw) calc(70vh) 2px rgba(192, 132, 252, 0.5),
        calc(60vw) calc(40vh) 1px rgba(255, 255, 255, 0.6),
        calc(15vw) calc(25vh) 1px rgba(168, 85, 247, 0.5),
        calc(75vw) calc(75vh) 2px rgba(255, 255, 255, 0.4);
    animation: twinkle 3s ease-in-out infinite;
}

@keyframes twinkle {
    0%, 100% { opacity: 0.3; }
    50%      { opacity: 1; }
}

@keyframes blobFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-30px); }
}

/* Hero content */
.hero-content {
    text-align: center;
    position: relative;
    z-index: 10;
    max-width: 900px;
}

.hero-title {
    font-size: clamp(2.8rem, 8vw, 5.5rem);
    font-weight: 800;
    letter-spacing: -2px;
    margin-bottom: 1.25rem;
    line-height: 1.08;
    color: #1a1a1a;
}

[data-theme="light"] .hero-title {
    color: #7c3aed;
}

[data-theme="dark"] .hero-title {
    color: #ffffff;
}

@keyframes titlePulse {
    0%, 100% {
        text-shadow:
            0 0 20px rgba(168, 85, 247, 0.6),
            0 0 60px rgba(168, 85, 247, 0.3);
    }
    50% {
        text-shadow:
            0 0 30px rgba(168, 85, 247, 0.8),
            0 0 80px rgba(168, 85, 247, 0.5),
            0 0 120px rgba(192, 132, 252, 0.2);
    }
}

.hero-subtitle {
    font-size: clamp(1.1rem, 3vw, 1.5rem);
    color: var(--text-dim);
    margin-bottom: 0.75rem;
    font-weight: 500;
}

[data-theme="light"] .hero-subtitle {
    color: #7c3aed;
}

.hero-tagline {
    font-size: clamp(1rem, 2vw, 1.2rem);
    color: var(--text);
    margin-bottom: 2.5rem;
    font-weight: 400;
    font-style: italic;
    position: relative;
    display: inline-block;
    opacity: 0.9;
}

[data-theme="light"] .hero-tagline {
    color: #7c3aed;
}

.hero-tagline::before {
    content: '"';
    color: var(--accent);
    font-size: 1.5em;
    font-style: normal;
    margin-right: 2px;
    opacity: 0.6;
}

.hero-tagline::after {
    content: '"';
    color: var(--accent);
    font-size: 1.5em;
    font-style: normal;
    margin-left: 2px;
    opacity: 0.6;
}

.hero-buttons {
    display: flex;
    gap: 1.25rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 2.5rem;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.primary-btn {
    background: linear-gradient(135deg, #4A90E2, #357ABD);
    color: #fff;
    box-shadow: 0 8px 30px rgba(74, 144, 226, 0.3);
}

.primary-btn:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 40px rgba(74, 144, 226, 0.4);
}

.secondary-btn {
    background: transparent;
    border: 2px solid #4A90E2;
    color: #4A90E2;
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.1);
}

.secondary-btn:hover {
    background: rgba(74, 144, 226, 0.1);
    border-color: #357ABD;
    box-shadow: 0 8px 30px rgba(74, 144, 226, 0.2);
}

[data-theme="light"] .secondary-btn {
    color: #4A90E2;
    border-color: #4A90E2;
    background: rgba(255, 255, 255, 0.9);
}

[data-theme="light"] .secondary-btn:hover {
    background: rgba(255, 255, 255, 1);
    border-color: #4A90E2;
    color: #4A90E2;
}

[data-theme="dark"] .primary-btn {
    background: linear-gradient(135deg, #9333ea, #a855f7);
    box-shadow: 0 8px 30px var(--glow);
}

[data-theme="dark"] .secondary-btn {
    border-color: var(--accent);
    color: var(--accent);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    animation: shimmer 3s infinite;
}

@keyframes shimmer {
    0%   { left: -100%; }
    100% { left: 100%; }
}

.cta-button:hover {
    transform: translateY(-3px) scale(1.03);
    box-shadow: 0 12px 40px var(--glow-strong);
}

.cta-button.secondary {
    background: transparent;
    border: 2px solid rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.1);
}

.cta-button.secondary:hover {
    background: rgba(168, 85, 247, 0.1);
    border-color: var(--accent);
    box-shadow: 0 8px 30px var(--glow);
}

.cta-button.primary {
    background: transparent;
    border: 2px solid rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.1);
}

.cta-button.primary:hover {
    background: rgba(168, 85, 247, 0.1);
    border-color: var(--accent);
    box-shadow: 0 8px 30px var(--glow);
}

.hero-social {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
}

.hero-social a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.6rem 1.5rem;
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 50px;
    transition: all 0.3s;
}

.hero-social a:hover {
    background: rgba(168, 85, 247, 0.1);
    border-color: var(--accent);
    box-shadow: 0 0 20px var(--glow);
    transform: translateY(-2px);
}

/* ─── Shared Section Styles ─── */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    position: relative;
    background: transparent;
    scroll-snap-align: start;
    scroll-snap-stop: always;
}

/* ─── Section Divider Lines ─── */
section::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.3;
}

section:last-of-type::after {
    display: none;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 0.75rem;
    background: linear-gradient(135deg, #a855f7, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    display: block;
    width: 50px;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    border-radius: 2px;
    margin: 0.75rem auto 0;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-dim);
    max-width: 500px;
    margin: 0 auto;
}

/* ─── About Section ─── */
.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

.about-text {
    font-size: 1.05rem;
    line-height: 1.85;
    color: var(--text-dim);
}

.about-text p { margin-bottom: 1.25rem; }
.about-text p:last-child { margin-bottom: 0; }

.about-excites {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.about-excites h4 {
    font-size: 1.15rem;
    margin-bottom: 1.25rem;
    color: var(--text);
    font-weight: 600;
}

.excites-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}

.excite-badge {
    background: rgba(168, 85, 247, 0.08);
    color: var(--accent);
    padding: 0.45rem 0.9rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid rgba(168, 85, 247, 0.2);
    transition: all 0.3s;
    cursor: default;
}

.excite-badge:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px var(--glow);
}

/* ─── Experience Section ─── */
.experience-timeline {
    display: grid;
    gap: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.experience-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), transparent);
    border-radius: 2px;
}

.experience-item {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.35s ease;
    position: relative;
}

.experience-item::after {
    content: '';
    position: absolute;
    left: -2.55rem;
    top: 2.5rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 12px var(--glow-strong);
    border: 2px solid var(--bg-dark);
}

.experience-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.4);
}

.experience-header h3 {
    font-size: 1.3rem;
    color: var(--text);
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.experience-header .company {
    color: var(--accent);
    font-weight: 600;
}

.experience-item .location,
.experience-item .date {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin: 0.3rem 0;
}

.experience-item .date { margin-bottom: 1rem; }

.experience-details {
    color: var(--text-dim);
    padding-left: 1.2rem;
    margin-bottom: 1rem;
}

.experience-details li {
    margin-bottom: 0.4rem;
    line-height: 1.6;
}

.experience-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

/* ─── Projects Section ─── */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.55rem 1.4rem;
    border-radius: 50px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
    font-family: inherit;
}

.filter-btn:hover {
    border-color: var(--border-hover);
    color: var(--text);
}

.filter-btn.active {
    background: var(--accent);
    border-color: var(--accent);
    color: #fff;
}

.projects-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.project-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.35s ease;
    overflow: hidden;
}

.project-card.hidden {
    display: none;
}

.project-card:hover {
    border-color: var(--border-hover);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
    transform: translateY(-2px);
}

.project-card-inner {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: 2.5rem;
    gap: 2rem;
}

.project-card-left {
    flex: 1;
}

.project-card-left h3 {
    font-size: 1.4rem;
    color: var(--text);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.project-card-left p {
    color: var(--text-dim);
    line-height: 1.6;
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.project-badge {
    display: inline-block;
    background: rgba(168, 85, 247, 0.12);
    color: var(--accent);
    padding: 0.3rem 0.75rem;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 1rem;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.project-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.25rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.5rem 1.2rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: all 0.3s;
    background: transparent;
}

.project-link svg {
    flex-shrink: 0;
}

.project-link:hover {
    border-color: var(--border-hover);
    background: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 15px rgba(168, 85, 247, 0.1);
}

.project-card-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 2rem;
    flex-shrink: 0;
}

.featured-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent);
    padding: 0.35rem 0.85rem;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.project-orb {
    display: none;
}

@keyframes orbPulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(168, 85, 247, 0.3);
        transform: scale(1);
    }
    50% {
        box-shadow: 0 0 35px rgba(168, 85, 247, 0.5);
        transform: scale(1.1);
    }
}

/* ─── Skills Section ─── */
.skills {
    background: transparent;
    position: relative;
    overflow: hidden;
}

/* Light theme section backgrounds - all transparent */

.skills::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0.3;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.skill-category {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.skill-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.skill-category:hover::before {
    transform: scaleX(1);
}

.skill-category:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(168, 85, 247, 0.1);
}

.skill-category-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(168, 85, 247, 0.1);
}

.skill-category h4 {
    font-size: 1.1rem;
    margin: 0;
    color: var(--text);
    font-weight: 600;
    letter-spacing: -0.3px;
    text-transform: uppercase;
    font-size: 0.85rem;
    opacity: 0.8;
}

.skill-bars,
.skill-items {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.skill-items {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 0.85rem;
}

.skill-chip {
    display: inline-flex;
    align-items: center;
    padding: 0.7rem 1rem;
    border-radius: 999px;
    border: 1px solid rgba(168, 85, 247, 0.18);
    background: rgba(168, 85, 247, 0.08);
    color: var(--text);
    font-size: 0.92rem;
    font-weight: 500;
    line-height: 1.2;
}

.skill-bar-item {
    position: relative;
}

.skill-bar-item .skill-bar-name {
    display: block;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.skill-percentage {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent);
    background: rgba(168, 85, 247, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    border: 1px solid rgba(168, 85, 247, 0.2);
}

.skill-bar-track {
    height: 6px;
    background: rgba(168, 85, 247, 0.06);
    border-radius: 3px;
    overflow: hidden;
    position: relative;
}

.skill-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    border-radius: 3px;
    width: 0%;
    transition: width 1.2s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
}

.skill-bar-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: skillShimmer 2.5s ease-in-out infinite;
}

.skill-bar-fill.animated::after {
    animation-delay: 0.8s;
}

@keyframes skillShimmer {
    0% { left: -100%; }
    60% { left: 100%; }
    100% { left: 100%; }
}

/* Skill level indicators */
.skill-bar-fill[data-level="95"], .skill-bar-fill[data-level="90"] {
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    box-shadow: 0 0 15px var(--glow);
}

.skill-bar-fill[data-level="85"], .skill-bar-fill[data-level="80"] {
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    box-shadow: 0 0 15px var(--glow);
}

.skill-bar-fill[data-level="75"], .skill-bar-fill[data-level="70"] {
    background: linear-gradient(90deg, #3b82f6, #60a5fa);
    box-shadow: 0 0 15px rgba(59, 130, 246, 0.3);
}

.skill-bar-fill[data-level="65"], .skill-bar-fill[data-level="60"], .skill-bar-fill[data-level="50"] {
    background: linear-gradient(90deg, #f59e0b, #fbbf24);
    box-shadow: 0 0 15px rgba(245, 158, 11, 0.3);
}

/* ─── Education Section ─── */
.education-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.education-item {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    transition: all 0.35s ease;
}

.education-item:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 0 15px 45px rgba(0, 0, 0, 0.35);
}

.education-item h3 {
    font-size: 1.15rem;
    color: var(--text);
    margin-bottom: 0.75rem;
    font-weight: 600;
}

.education-item .institution {
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 0.3rem;
}

.education-item .location {
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
}

.education-item .duration {
    color: var(--text-dim);
    font-weight: 500;
}

/* ─── Certifications Section ─── */
.certifications {
    background: transparent;
}

[data-theme="light"] .certifications {
    background: rgba(176, 224, 230, 0.2);
}

.certifications-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.cert-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.cert-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent), var(--accent-alt));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.cert-card:hover::before {
    transform: scaleX(1);
}

.cert-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-hover);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.1),
        0 8px 16px rgba(168, 85, 247, 0.1);
}

.cert-card h4 {
    font-size: 1.1rem;
    color: var(--text);
    margin-bottom: 0.75rem;
    font-weight: 600;
    line-height: 1.4;
}

.cert-card .cert-issuer {
    color: var(--accent);
    font-weight: 600;
    margin: 0;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
    .certifications-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 1.5rem;
    }
    
    .cert-card {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .certifications-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* ─── Enhanced Contact Section ─── */
.contact {
    background: transparent;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact-content h3 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 1rem;
    font-weight: 600;
}

.contact-content p {
    font-size: 1.05rem;
    color: var(--text-dim);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.contact-details {
    margin-bottom: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--text-dim);
    font-size: 0.95rem;
}

.contact-item svg {
    color: var(--accent);
    flex-shrink: 0;
}

.contact-item a {
    color: inherit;
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--accent);
}

.social-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-dim);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.75rem 1.25rem;
    border: 1px solid var(--border);
    border-radius: 50px;
    transition: all 0.3s ease;
    background: var(--bg-card);
}

.social-icon:hover {
    color: var(--accent);
    border-color: var(--border-hover);
    background: rgba(168, 85, 247, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(168, 85, 247, 0.1);
}

.social-icon svg {
    flex-shrink: 0;
}

/* ─── Interactive Contact Form ─── */
.contact-form-container {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 20px;
    border: 1px solid var(--border);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--text);
    font-size: 0.9rem;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 1rem 1.25rem;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: rgba(168, 85, 247, 0.02);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.3s ease;
    resize: vertical;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
    background: rgba(168, 85, 247, 0.05);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.1);
    transform: translateY(-1px);
}

.form-group input.error,
.form-group select.error,
.form-group textarea.error {
    border-color: #ef4444;
    background: rgba(239, 68, 68, 0.05);
}

.form-error {
    color: #ef4444;
    font-size: 0.8rem;
    font-weight: 500;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
}

.form-error.show {
    opacity: 1;
    transform: translateY(0);
}

.form-submit-btn {
    padding: 1.25rem 2rem;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    margin-top: 0.5rem;
}

.form-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(168, 85, 247, 0.4);
}

.form-submit-btn:active {
    transform: translateY(0);
}

.form-submit-btn.loading {
    pointer-events: none;
}

.form-submit-btn .btn-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: inherit;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.form-submit-btn.loading .btn-text {
    opacity: 0;
}

.form-submit-btn.loading .btn-loading {
    opacity: 1;
}

.form-submit-btn .btn-loading svg {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.form-status {
    padding: 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
}

.form-status.show {
    opacity: 1;
    transform: translateY(0);
}

.form-status.success {
    background: rgba(34, 197, 94, 0.1);
    color: #22c55e;
    border: 1px solid rgba(34, 197, 94, 0.2);
}

.form-status.error {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* ─── Form Animations ─── */
.form-group {
    animation: slideInUp 0.6s ease forwards;
    opacity: 0;
    transform: translateY(20px);
}

.form-group:nth-child(1) { animation-delay: 0.1s; }
.form-group:nth-child(2) { animation-delay: 0.2s; }
.form-group:nth-child(3) { animation-delay: 0.3s; }
.form-group:nth-child(4) { animation-delay: 0.4s; }

.form-submit-btn {
    animation: slideInUp 0.6s ease 0.5s forwards;
    opacity: 0;
    transform: translateY(20px);
}

@keyframes slideInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Footer ─── */
.footer {
    background: transparent;
    padding: 4rem 0 2rem;
    border-top: 1px solid rgba(168, 85, 247, 0.08);
    position: relative;
    overflow: hidden;
}

.footer-glow {
    position: absolute;
    top: -80px;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 160px;
    background: radial-gradient(ellipse, rgba(168, 85, 247, 0.12), transparent 70%);
    pointer-events: none;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    text-align: center;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: -0.5px;
}

.footer-tagline {
    color: var(--text-dim);
    font-size: 0.9rem;
    font-style: italic;
}

.footer-nav {
    display: flex;
    gap: 2rem;
}

.footer-nav a {
    color: var(--text-dim);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

.footer-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--accent);
    transition: width 0.3s;
}

.footer-nav a:hover { color: var(--accent); }
.footer-nav a:hover::after { width: 100%; }

.footer-bottom {
    border-top: 1px solid rgba(168, 85, 247, 0.06);
    padding-top: 1.5rem;
    width: 100%;
}

.footer-bottom p {
    color: var(--text-dim);
    font-size: 0.8rem;
    margin-bottom: 0.3rem;
}

.footer-made {
    opacity: 0.6;
    font-size: 0.75rem !important;
}

.footer-heart {
    color: var(--accent);
    animation: heartbeat 1.5s ease-in-out infinite;
    display: inline-block;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    25% { transform: scale(1.2); }
    50% { transform: scale(1); }
    75% { transform: scale(1.15); }
}



[data-theme="light"] .footer-glow {
    background: radial-gradient(ellipse, rgba(124, 58, 237, 0.08), transparent 70%);
}

/* ─── Scroll Progress Bar ─── */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, #a855f7, #c084fc, #a855f7);
    background-size: 200% 100%;
    animation: gradientShift 3s ease infinite;
    z-index: 1001;
    width: 0%;
    transition: width 0.1s linear;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ─── Custom Cursor Glow ─── */
.cursor-glow {
    position: fixed;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.06), transparent 70%);
    pointer-events: none;
    z-index: 5;
    transform: translate(-50%, -50%);
    transition: transform 0.15s ease, opacity 0.3s;
    opacity: 0;
}

[data-theme="light"] .cursor-glow {
    background: radial-gradient(circle, rgba(124, 58, 237, 0.08), transparent 70%);
}

body:hover .cursor-glow { opacity: 1; }

/* ─── Hero Greeting ─── */
.hero-greeting {
    font-size: 0.9rem;
    color: var(--text-dim);
    font-weight: 600;
    letter-spacing: 3px;
    text-transform: uppercase;
    margin-bottom: 1rem;
    opacity: 0.8;
}

[data-theme="light"] .hero-greeting {
    color: #7c3aed;
}

/* ─── Hero Title Accent ─── */
.hero-title-accent {
    background: linear-gradient(135deg, #a855f7, #c084fc, #e879f9);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientText 4s ease infinite;
}

@keyframes gradientText {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ─── Typing Cursor ─── */
.typing-cursor {
    color: var(--accent);
    animation: blink 0.8s step-end infinite;
    font-weight: 300;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

/* ─── Hero Particles ─── */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
    pointer-events: none;
}

.particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(168, 85, 247, 0.6);
    border-radius: 50%;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% { transform: translateY(100vh) scale(0); opacity: 0; }
    10% { opacity: 1; }
    90% { opacity: 1; }
    100% { transform: translateY(-10vh) scale(1); opacity: 0; }
}

/* ─── Social Icons with SVGs ─── */
.hero-social a {
    color: var(--text);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.85rem;
    padding: 0.6rem 1.25rem;
    border: 1px solid rgba(168, 85, 247, 0.3);
    border-radius: 50px;
    transition: all 0.3s;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

[data-theme="light"] .hero-social a {
    color: #7c3aed;
    border-color: rgba(124, 58, 237, 0.3);
    background: rgba(124, 58, 237, 0.1);
}

[data-theme="light"] .hero-social a:hover {
    background: rgba(124, 58, 237, 0.2);
    border-color: rgba(124, 58, 237, 0.5);
    color: #7c3aed;
}

.hero-social a svg {
    flex-shrink: 0;
}

.hero-social a:hover {
    background: rgba(168, 85, 247, 0.12);
    border-color: var(--accent);
    box-shadow: 0 0 25px var(--glow);
    transform: translateY(-3px);
}

/* ─── Glass Card ─── */
.glass-card {
    background: rgba(20, 10, 40, 0.5);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(168, 85, 247, 0.12);
}

[data-theme="light"] .glass-card {
    background: rgba(255, 255, 255, 0.6);
    border-color: rgba(124, 58, 237, 0.15);
}

/* ─── About Stats ─── */
.about-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
    padding: 2rem 1rem;
    border-radius: 16px;
    transition: all 0.35s ease;
}

.stat-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 50px rgba(168, 85, 247, 0.15);
    border-color: var(--border-hover);
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, #a855f7, #c084fc);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline;
}

.stat-label {
    display: block;
    color: var(--text-dim);
    font-size: 0.85rem;
    margin-top: 0.5rem;
    font-weight: 500;
}

/* ─── Reveal Animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered children */
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }
.reveal:nth-child(4) { transition-delay: 0.3s; }

/* ─── Card Spotlight Effect ─── */
.card-spotlight {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.4s;
    z-index: 1;
}

.experience-item:hover .card-spotlight,
.project-card:hover .card-spotlight,
.skill-category:hover .card-spotlight,
.education-item:hover .card-spotlight,
.cert-card:hover .card-spotlight,
.stat-item:hover .card-spotlight {
    opacity: 1;
}

/* ─── Animated Gradient Border on Cards ─── */
.experience-item,
.project-card,
.skill-category,
.education-item,
.cert-card {
    position: relative;
    overflow: hidden;
    background-clip: padding-box;
}

.experience-item::before,
.project-card::before,
.skill-category::before,
.education-item::before,
.cert-card::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    padding: 1px;
    background: linear-gradient(135deg, transparent, rgba(168, 85, 247, 0.2), transparent);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask-composite: exclude;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.5s;
}

.experience-item:hover::before,
.project-card:hover::before,
.skill-category:hover::before,
.education-item:hover::before,
.cert-card:hover::before {
    opacity: 1;
    background: linear-gradient(135deg, var(--accent), rgba(192, 132, 252, 0.5), var(--accent));
    background-size: 200% 200%;
    animation: borderGlow 3s linear infinite;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ─── Glow Button ─── */
.glow-btn {
    position: relative;
}

.glow-btn::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 50px;
    background: linear-gradient(135deg, #a855f7, #c084fc, #e879f9, #a855f7);
    background-size: 300% 300%;
    animation: glowRotate 3s ease infinite;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
    filter: blur(8px);
}

.glow-btn:hover::after {
    opacity: 1;
}

@keyframes glowRotate {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* ─── Back to Top ─── */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.3s ease;
    z-index: 999;
    backdrop-filter: blur(10px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    box-shadow: 0 8px 30px var(--glow-strong);
    transform: translateY(-3px);
}

/* ─── Tags (shared) ─── */
.tag {
    background: rgba(168, 85, 247, 0.08);
    color: var(--accent-alt);
    padding: 0.3rem 0.7rem;
    border-radius: 6px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(168, 85, 247, 0.12);
    transition: all 0.3s;
}

.tag:hover {
    background: rgba(168, 85, 247, 0.15);
    border-color: rgba(168, 85, 247, 0.3);
}

/* ─── Simple Fast Preloader ─── */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--bg-dark);
    z-index: 99999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

[data-theme="light"] .preloader {
    background: #f5f0fa;
}

.preloader.done {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.preloader-inner {
    position: relative;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.preloader-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px solid transparent;
    border-top-color: var(--accent);
    border-right-color: rgba(168, 85, 247, 0.3);
    animation: preloaderSpin 1s cubic-bezier(0.6, 0, 0.4, 1) infinite;
}

.preloader-text {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    animation: preloaderPulse 1s ease-in-out infinite;
}

@keyframes preloaderSpin {
    to { transform: rotate(360deg); }
}

@keyframes preloaderPulse {
    0%, 100% { opacity: 0.5; transform: scale(0.95); }
    50% { opacity: 1; transform: scale(1.05); }
}

/* ─── Page Load Orchestration ─── */
.hero-content > * {
    opacity: 0;
    transform: translateY(40px);
}

.hero-content .hero-greeting {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-content .hero-title {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.hero-content .hero-subtitle {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.hero-content .hero-tagline {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.hero-content .hero-buttons {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.1s forwards;
}

.hero-content .hero-social {
    animation: orchestrateIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.3s forwards;
}

@keyframes orchestrateIn {
    from { opacity: 0; transform: translateY(40px) scale(0.97); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* ─── Cursor Trail ─── */
.cursor-trail-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 5;
}

.cursor-trail-dot {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, -50%);
    transition: opacity 0.3s;
}

/* ─── Tech Marquee ─── */
.tech-marquee {
    overflow: hidden;
    padding: 2rem 0;
    background: transparent !important;
    border-top: 1px solid rgba(168, 85, 247, 0.06);
    border-bottom: 1px solid rgba(168, 85, 247, 0.06);
    position: relative;
}

.tech-marquee::before,
.tech-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 120px;
    z-index: 2;
    pointer-events: none;
}

.tech-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-dark), transparent);
}

.tech-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-dark), transparent);
}

.marquee-track {
    display: flex;
    width: max-content;
    animation: marqueeScroll 30s linear infinite;
}

.marquee-content {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 0 1rem;
}

.marquee-content span {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dim);
    white-space: nowrap;
    letter-spacing: 0.5px;
    transition: color 0.3s;
}

.marquee-dot {
    color: var(--accent) !important;
    font-size: 0.5rem !important;
    opacity: 0.5;
}

@keyframes marqueeScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

[data-theme="light"] .tech-marquee {
    background: transparent;
}

/* ─── Glitch Text Effect on Hover ─── */
.glitch-text {
    position: relative;
    cursor: default;
}

.glitch-text:hover {
    animation: glitchShake 0.3s ease;
}

.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
    -webkit-background-clip: text;
    background-clip: text;
    opacity: 0;
    pointer-events: none;
}

.glitch-text:hover::before {
    opacity: 0.8;
    animation: glitchLeft 0.3s ease;
    color: #e879f9;
    -webkit-text-fill-color: #e879f9;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    transform: translate(-2px, -1px);
}

.glitch-text:hover::after {
    opacity: 0.8;
    animation: glitchRight 0.3s ease;
    color: #38bdf8;
    -webkit-text-fill-color: #38bdf8;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    transform: translate(2px, 1px);
}

@keyframes glitchShake {
    0%, 100% { transform: translate(0); }
    20% { transform: translate(-2px, 1px); }
    40% { transform: translate(2px, -1px); }
    60% { transform: translate(-1px, -1px); }
    80% { transform: translate(1px, 1px); }
}

@keyframes glitchLeft {
    0% { transform: translate(0); opacity: 0; }
    20% { transform: translate(-3px, -1px); opacity: 0.8; }
    40% { transform: translate(2px, 1px); opacity: 0.6; }
    60% { transform: translate(-1px, 0); opacity: 0.8; }
    80% { transform: translate(1px, -1px); opacity: 0.4; }
    100% { transform: translate(-2px, -1px); opacity: 0; }
}

@keyframes glitchRight {
    0% { transform: translate(0); opacity: 0; }
    20% { transform: translate(3px, 1px); opacity: 0.8; }
    40% { transform: translate(-2px, -1px); opacity: 0.6; }
    60% { transform: translate(1px, 0); opacity: 0.8; }
    80% { transform: translate(-1px, 1px); opacity: 0.4; }
    100% { transform: translate(2px, 1px); opacity: 0; }
}

/* ─── Hero Parallax ─── */
.hero .aurora,
.hero .hero-particles,
.hero .hero-background {
    will-change: transform;
    transition: transform 0.1s linear;
}

/* ─── Enhanced Gradient Mesh on Hero ─── */
.hero-mesh {
    position: absolute;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    opacity: 0.15;
    background:
        radial-gradient(at 20% 30%, rgba(168, 85, 247, 0.8) 0%, transparent 50%),
        radial-gradient(at 80% 20%, rgba(192, 132, 252, 0.6) 0%, transparent 50%),
        radial-gradient(at 50% 80%, rgba(232, 121, 249, 0.5) 0%, transparent 50%),
        radial-gradient(at 10% 80%, rgba(99, 102, 241, 0.4) 0%, transparent 50%),
        radial-gradient(at 90% 70%, rgba(139, 92, 246, 0.5) 0%, transparent 50%);
    background-size: 200% 200%;
    animation: meshShift 20s ease-in-out infinite alternate;
}

@keyframes meshShift {
    0% { background-position: 0% 0%; }
    25% { background-position: 50% 25%; }
    50% { background-position: 100% 50%; }
    75% { background-position: 50% 75%; }
    100% { background-position: 0% 100%; }
}

[data-theme="light"] .hero-mesh {
    opacity: 0.08;
}

/* ─── Smooth transitions for theme switch ─── */
*,
*::before,
*::after {
    transition: background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}

/* ─── Magnetic Hover for Social Links ─── */
.hero-social a,
.cta-button {
    will-change: transform;
}

/* ─── Smooth Section Scroll Offset ─── */
section[id] {
    scroll-margin-top: 80px;
}

/* ─── Animations ─── */
@keyframes fadeUp {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(25px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes fadeOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

/* ─── Responsive ─── */
@media (max-width: 768px) {
    .nav-menu { display: none; }
    .nav-menu.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: var(--navbar-bg-scroll);
        padding: 1.5rem 2rem;
        gap: 1rem;
        border-bottom: 1px solid var(--border);
    }
    .hamburger { display: flex; }
    
    .section-radar {
        display: none;
    }

    .projects-list { gap: 1rem; }
    .project-card-inner {
        flex-direction: column;
        padding: 1.5rem;
    }
    .project-card-right {
        flex-direction: row;
        align-items: center;
        width: 100%;
        justify-content: space-between;
    }

    .about-content { grid-template-columns: 1fr; gap: 2rem; }
    .about-stats { grid-template-columns: repeat(2, 1fr); }
    .education-content { grid-template-columns: 1fr; }
    .contact-wrapper { 
        grid-template-columns: 1fr; 
        gap: 2rem; 
    }
    .projects-grid { grid-template-columns: 1fr; }

    .hero-title { font-size: 2.4rem; letter-spacing: -1px; }
    .hero::before { width: 300px; height: 300px; }
    .hero::after { width: 420px; height: 420px; }
    .hero-buttons { flex-direction: column; align-items: center; }
    .hero-social { flex-wrap: wrap; }

    .aurora-blob { filter: blur(60px); }
    .aurora-1 { width: 300px; height: 300px; }
    .aurora-2 { width: 250px; height: 250px; }
    .aurora-3 { width: 200px; height: 200px; }

    .experience-timeline { padding-left: 1.5rem; }
    .experience-item::after { left: -2rem; }

    .cursor-glow { display: none; }
    .cursor-trail-container { display: none; }

    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }

    .footer-nav { flex-wrap: wrap; justify-content: center; gap: 1rem; }

    .tech-marquee { padding: 1.5rem 0; }
    .marquee-content span { font-size: 0.85rem; }

    section { padding: 4rem 0; }
    
    /* Contact form mobile styles */
    .contact-form-container {
        padding: 1.5rem;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .social-icon {
        flex: 1;
        justify-content: center;
        min-width: 120px;
    }
}

@media (max-width: 480px) {
    .container { padding: 0 1rem; }
    .hero-social { flex-direction: column; align-items: center; gap: 0.75rem; }
    .about-stats { grid-template-columns: repeat(2, 1fr); gap: 1rem; }
    .skills-grid { grid-template-columns: 1fr; }
    .certifications-grid { grid-template-columns: 1fr; }
}

/* ─── AI Assistant Chat Widget ─── */
.ai-assistant {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 1001;
}

.ai-chat-toggle {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-alt));
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 30px var(--glow-strong);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ai-chat-toggle:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 40px var(--glow-strong);
}

.ai-chat-toggle .ai-icon {
    z-index: 2;
    position: relative;
}

.ai-pulse {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--accent);
    opacity: 0.6;
    animation: aiPulse 2s ease-in-out infinite;
}

@keyframes aiPulse {
    0% { transform: scale(1); opacity: 0.6; }
    50% { transform: scale(1.2); opacity: 0.3; }
    100% { transform: scale(1.4); opacity: 0; }
}

.ai-chat-window {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 380px;
    height: 500px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.ai-chat-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.ai-chat-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(168, 85, 247, 0.05);
}

.ai-status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #00ff88;
    animation: statusPulse 2s ease-in-out infinite;
}

@keyframes statusPulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.ai-header-text {
    flex: 1;
}

.ai-header-text h4 {
    font-size: 1rem;
    color: var(--text);
    margin-bottom: 0.2rem;
    font-weight: 600;
}

.ai-header-text p {
    font-size: 0.8rem;
    color: var(--text-dim);
    margin: 0;
}

.ai-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-dim);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s;
    flex-shrink: 0;
}

.ai-close:hover {
    background: rgba(168, 85, 247, 0.1);
    border-color: var(--accent);
    color: var(--accent);
}

.ai-chat-messages {
    flex: 1;
    padding: 1rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    scrollbar-width: thin;
    scrollbar-color: var(--accent) rgba(168, 85, 247, 0.1);
}

.ai-chat-messages::-webkit-scrollbar {
    width: 4px;
}

.ai-chat-messages::-webkit-scrollbar-track {
    background: rgba(168, 85, 247, 0.05);
}

.ai-chat-messages::-webkit-scrollbar-thumb {
    background: var(--accent);
    border-radius: 2px;
}

.ai-message {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    animation: messageSlideIn 0.3s ease;
}

@keyframes messageSlideIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ai-message-user {
    flex-direction: row-reverse;
}

.ai-message-assistant {
    flex-direction: row;
}

.ai-message-content {
    max-width: 80%;
    padding: 0.75rem 1rem;
    border-radius: 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    position: relative;
}

.ai-message-assistant .ai-message-content {
    background: rgba(168, 85, 247, 0.1);
    color: var(--text);
    border: 1px solid rgba(168, 85, 247, 0.2);
}

/* Light theme AI chat styling */
[data-theme="light"] .ai-chat-window {
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

[data-theme="light"] .ai-chat-header {
    background: rgba(124, 58, 237, 0.08);
}

[data-theme="light"] .ai-message-assistant .ai-message-content {
    background: rgba(124, 58, 237, 0.12);
    border-color: rgba(124, 58, 237, 0.25);
}

[data-theme="light"] .ai-chat-messages::-webkit-scrollbar-track {
    background: rgba(124, 58, 237, 0.08);
}

[data-theme="light"] .ai-close:hover {
    background: rgba(124, 58, 237, 0.12);
}

.ai-message-user .ai-message-content {
    background: var(--accent);
    color: white;
}

.ai-chat-input {
    padding: 1rem;
    border-top: 1px solid var(--border);
}

.ai-input-container {
    display: flex;
    align-items: center;
    border-radius: 20px;
    padding: 2px;
    min-height: 40px;
    box-sizing: border-box;
    transition: all 0.3s ease;
    /* Light mode styles */
    background: rgba(255, 255, 255, 0.95);
    border: 1px solid rgba(0, 0, 0, 0.12);
}

[data-theme="dark"] .ai-input-container {
    /* Dark mode styles */
    background: rgba(44, 44, 46, 0.95);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.ai-input-container input {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    font-size: 14px;
    outline: none;
    font-weight: 400;
    transition: color 0.3s ease;
    /* Light mode text */
    color: rgba(0, 0, 0, 0.87);
}

[data-theme="dark"] .ai-input-container input {
    /* Dark mode text */
    color: rgba(255, 255, 255, 0.92);
}

.ai-input-container input::placeholder {
    transition: color 0.3s ease;
    /* Light mode placeholder */
    color: rgba(0, 0, 0, 0.45);
}

[data-theme="dark"] .ai-input-container input::placeholder {
    /* Dark mode placeholder */
    color: rgba(255, 255, 255, 0.55);
}

.ai-send-btn {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    max-width: 28px !important;
    max-height: 28px !important;
    border-radius: 14px !important;
    border: none !important;
    background: #007AFF !important;
    color: white !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 3px !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    transition: all 0.15s ease !important;
    outline: none !important;
    font-size: 0 !important;
    line-height: 0 !important;
}

.ai-send-btn:hover {
    background: #0056CC !important;
    transform: scale(1.05) !important;
}

.ai-send-btn:active {
    transform: scale(0.95) !important;
}

.ai-send-btn svg {
    width: 12px !important;
    height: 12px !important;
    stroke-width: 2.5 !important;
    pointer-events: none !important;
    display: block !important;
}

.ai-typing {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid rgba(168, 85, 247, 0.2);
    border-radius: 16px;
    max-width: 80%;
    color: var(--text-dim);
    font-size: 0.9rem;
}

.ai-typing-dots {
    display: flex;
    gap: 0.2rem;
}

.ai-typing-dot {
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--accent);
    animation: typingDot 1.4s ease-in-out infinite;
}

.ai-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.ai-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes typingDot {
    0%, 60%, 100% { opacity: 0.3; transform: scale(0.8); }
    30% { opacity: 1; transform: scale(1); }
}

/* Mobile responsiveness for AI chat */
@media (max-width: 768px) {
    .ai-assistant {
        bottom: 1rem;
        right: 1rem;
    }
    
    .ai-chat-toggle {
        width: 56px;
        height: 56px;
    }
    
    .ai-chat-window {
        width: calc(100vw - 2rem);
        height: 70vh;
        bottom: 70px;
        right: -1rem;
        left: 1rem;
    }
    
    .ai-chat-header {
        padding: 1rem;
    }
    
    .ai-chat-messages {
        padding: 0.75rem;
    }
    
    .ai-chat-input {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .ai-chat-window {
        height: 60vh;
    }
}

/* ─── Additional AI Send Button Fixes ─── */
#aiSend {
    width: 28px !important;
    height: 28px !important;
    min-width: 28px !important;
    min-height: 28px !important;
    max-width: 28px !important;
    max-height: 28px !important;
    border-radius: 14px !important;
    border: none !important;
    background: #007AFF !important;
    color: white !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    margin: 3px !important;
    padding: 0 !important;
    flex-shrink: 0 !important;
    box-sizing: border-box !important;
    transition: all 0.15s ease !important;
    outline: none !important;
    font-size: 0 !important;
    line-height: 0 !important;
}

#aiSend:hover {
    background: #0056CC !important;
    transform: scale(1.05) !important;
}

#aiSend:active {
    transform: scale(0.95) !important;
}

#aiSend svg {
    width: 12px !important;
    height: 12px !important;
    stroke-width: 2.5 !important;
    pointer-events: none !important;
    display: block !important;
}

/* Force AI input container styles */
.ai-input-container {
    display: flex !important;
    align-items: center !important;
    background: rgba(255, 255, 255, 0.9) !important;
    border: 0.5px solid rgba(0, 0, 0, 0.1) !important;
    border-radius: 20px !important;
    padding: 2px !important;
    min-height: 40px !important;
    box-sizing: border-box !important;
}

[data-theme="dark"] .ai-input-container {
    background: rgba(58, 58, 60, 0.9) !important;
    border: 0.5px solid rgba(255, 255, 255, 0.15) !important;
}

#aiInput {
    flex: 1 !important;
    padding: 12px 16px !important;
    border: none !important;
    background: transparent !important;
    color: rgba(0, 0, 0, 0.85) !important;
    font-size: 14px !important;
    outline: none !important;
    font-weight: 400 !important;
}

[data-theme="dark"] #aiInput {
    color: rgba(255, 255, 255, 0.9) !important;
}
/* ─── Enhanced Mobile Touch Interactions ─── */
.touch-ripple {
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.3) 0%, transparent 70%);
    transform: translate(-50%, -50%) scale(0);
    animation: rippleEffect 0.6s ease-out;
    pointer-events: none;
    z-index: 10;
}

@keyframes rippleEffect {
    to {
        transform: translate(-50%, -50%) scale(4);
        opacity: 0;
    }
}

/* ─── Enhanced Accessibility ─── */
.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--accent);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10000;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* High contrast mode support */
.high-contrast {
    --accent: #0066cc;
    --text: #000000;
    --bg-card: #ffffff;
    --border: #000000;
}

[data-theme="light"].high-contrast {
    --accent: #0066cc;
    --text: #000000;
    --bg-card: #ffffff;
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus indicators for better accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible,
[tabindex]:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

/* ─── Progressive Enhancement Fallbacks ─── */
.no-grid .skills-grid {
    display: block;
}

.no-grid .skill-category {
    margin-bottom: 2rem;
}

.no-backdrop-filter .ai-chat-window,
.no-backdrop-filter .navbar {
    background: var(--bg-card);
}

.no-custom-properties {
    /* Fallback colors for older browsers */
    color: #f0eaf5;
    background: #0a0418;
}

/* ─── Enhanced Project Filtering Animations ─── */
.projects-list {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.project-card {
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.project-card.hidden {
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
    pointer-events: none;
}

/* ─── Enhanced Loading States ─── */
.loading {
    position: relative;
    overflow: hidden;
}

.loading::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(168, 85, 247, 0.1), transparent);
    animation: loadingShimmer 1.5s infinite;
}

@keyframes loadingShimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* ─── Smooth Scroll Snapping Enhancements ─── */
@media (min-width: 768px) {
    html {
        scroll-snap-type: y mandatory;
    }
    
    section {
        scroll-snap-align: start;
        scroll-snap-stop: always;
    }
}

/* Disable scroll snap on mobile for better touch scrolling */
@media (max-width: 767px) {
    html {
        scroll-snap-type: none;
    }
    
    section {
        scroll-snap-align: none;
    }
}

/* ─── Enhanced Hover States for Touch Devices ─── */
@media (hover: none) and (pointer: coarse) {
    .project-card:hover,
    .skill-category:hover,
    .experience-item:hover {
        transform: none;
    }
    
    .project-card:active,
    .skill-category:active,
    .experience-item:active {
        transform: scale(0.98);
    }
}

/* ─── Performance Optimizations ─── */
.hero-particles,
.aurora-blob,
.celestial-body {
    will-change: transform;
    transform: translateZ(0);
}

/* GPU acceleration for smooth animations */
.project-card,
.skill-category,
.experience-item {
    transform: translateZ(0);
}
/* ─── Fix Scrolling Issues ─── */
html {
    scroll-behavior: smooth;
    overflow-y: auto;
}

body {
    padding-bottom: 4rem; /* Ensure content is scrollable to the end */
}

.contact {
    margin-bottom: 4rem; /* Extra space at bottom */
}

/* Ensure all sections are properly spaced */
section:last-child {
    padding-bottom: 6rem;
}


/* Force skill bars to show with their levels */
.skill-bar-fill[data-level="90"] {
    width: 90% !important;
}

.skill-bar-fill[data-level="85"] {
    width: 85% !important;
}

.skill-bar-fill[data-level="80"] {
    width: 80% !important;
}

.skill-bar-fill[data-level="75"] {
    width: 75% !important;
}

.skill-bar-fill[data-level="70"] {
    width: 70% !important;
}

.skill-bar-fill[data-level="65"] {
    width: 65% !important;
}

.skill-bar-fill[data-level="60"] {
    width: 60% !important;
}

.skill-bar-fill[data-level="50"] {
    width: 50% !important;
}

/* ─── Responsive Hardening ─── */
img,
svg,
video,
canvas {
    max-width: 100%;
    height: auto;
}

button,
input,
select,
textarea {
    max-width: 100%;
}

.hero-content,
.project-card-left,
.contact-content,
.contact-form-container,
.education-item,
.cert-card,
.skill-category,
.experience-item {
    min-width: 0;
}

.project-card-left h3,
.project-card-left p,
.contact-item,
.social-icon,
.hero-social a,
.project-link,
.footer-brand,
.footer-nav a {
    overflow-wrap: anywhere;
}

@media (min-width: 1600px) {
    .container,
    .nav-container,
    .footer-content {
        max-width: 1440px;
    }

    .hero-content {
        max-width: 1100px;
    }

    section {
        padding: 7rem 0;
    }

    .projects-list {
        gap: 2rem;
    }

    .ai-chat-window {
        width: min(440px, calc(100vw - 3rem));
        height: min(640px, 72vh);
    }
}

@media (max-width: 1100px) {
    .section-radar {
        display: none;
    }

    .nav-menu {
        gap: 1.5rem;
    }

    .hero {
        min-height: auto;
        padding: 7rem 1.5rem 4rem;
    }

    .hero-content {
        width: min(100%, 780px);
    }

    .hero-social {
        gap: 0.85rem;
    }

    .hero-social a {
        padding: 0.7rem 1rem;
    }

    .about-content,
    .contact-wrapper,
    .education-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .project-card-inner {
        padding: 2rem;
    }

    .project-card-right {
        gap: 1rem;
    }

    .footer-content {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .navbar {
        padding: 0.75rem 0;
    }

    .nav-container,
    .container {
        padding: 0 1rem;
    }

    .nav-menu.active {
        max-height: calc(100vh - 72px);
        overflow-y: auto;
        padding: 1rem;
    }

    .hero {
        padding: 6.5rem 1rem 3rem;
    }

    .hero-title {
        font-size: clamp(2.25rem, 11vw, 3.5rem);
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .hero-tagline {
        max-width: 32ch;
        font-size: 0.95rem;
    }

    .hero-buttons {
        width: 100%;
        gap: 0.85rem;
    }

    .cta-button {
        width: min(100%, 320px);
        text-align: center;
    }

    .hero-social {
        width: 100%;
        justify-content: center;
    }

    .hero-social a {
        width: min(100%, 320px);
        justify-content: center;
    }

    .about-stats {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .project-filters {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.25rem;
        scrollbar-width: none;
    }

    .project-filters::-webkit-scrollbar {
        display: none;
    }

    .filter-btn {
        flex: 0 0 auto;
    }

    .project-card-inner,
    .skill-category,
    .education-item,
    .experience-item,
    .cert-card,
    .contact-form-container {
        padding: 1.25rem;
    }

    .project-card-left h3 {
        font-size: 1.2rem;
    }

    .project-card-left p {
        font-size: 0.92rem;
    }

    .project-card-right {
        width: 100%;
        align-items: flex-start;
    }

    .project-link {
        width: 100%;
        justify-content: center;
    }

    .contact-details {
        display: grid;
        gap: 0.85rem;
    }

    .contact-item {
        align-items: flex-start;
    }

    .social-links {
        flex-direction: column;
    }

    .social-icon {
        width: 100%;
        justify-content: center;
    }

    .footer-nav {
        gap: 0.75rem;
    }

    .ai-assistant {
        left: 1rem;
        right: 1rem;
        bottom: 1rem;
        display: flex;
        justify-content: flex-end;
    }

    .ai-chat-window {
        width: min(100%, 420px);
        left: auto;
        right: 0;
        bottom: 68px;
    }

    .ai-message-content {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .container,
    .nav-container {
        padding: 0 0.9rem;
    }

    section {
        padding: 3.5rem 0;
    }

    .section-header {
        margin-bottom: 2.5rem;
    }

    .hero {
        padding-top: 6rem;
    }

    .hero-title {
        font-size: clamp(2rem, 12vw, 2.8rem);
    }

    .hero-buttons,
    .hero-social {
        gap: 0.75rem;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .skill-chip {
        width: 100%;
        justify-content: center;
        text-align: center;
    }

    .footer-nav {
        flex-direction: column;
    }

    .contact-form-container {
        padding: 1rem;
    }

    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.9rem 1rem;
    }

    .ai-assistant {
        left: 0.75rem;
        right: 0.75rem;
        bottom: 0.75rem;
    }

    .ai-chat-window {
        width: calc(100vw - 1.5rem);
        left: 0;
        right: 0;
        bottom: 64px;
        height: min(68vh, 560px);
    }
}

@media (max-width: 380px) {
    .container,
    .nav-container {
        padding: 0 0.8rem;
    }

    .filter-btn {
        padding: 0.5rem 1rem;
        font-size: 0.82rem;
    }

    .project-badge,
    .featured-badge {
        font-size: 0.7rem;
    }

    .cta-button,
    .hero-social a {
        width: 100%;
    }
}

/* ─── AI Screen Fit Overrides ─── */
.ai-assistant {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(1rem, env(safe-area-inset-bottom));
}

.ai-chat-toggle {
    width: clamp(56px, 5vw, 64px);
    height: clamp(56px, 5vw, 64px);
}

.ai-chat-window {
    width: clamp(320px, 28vw, 420px);
    height: min(560px, calc(100dvh - 8rem));
    max-height: calc(100dvh - 8rem);
    bottom: calc(72px + 0.75rem);
}

.ai-chat-header {
    padding: 1rem 1.1rem;
}

.ai-header-text p {
    line-height: 1.35;
}

.ai-chat-messages {
    padding: 0.9rem;
}

.ai-message {
    width: 100%;
}

.ai-message-content,
.ai-typing {
    max-width: min(88%, 32ch);
    overflow-wrap: anywhere;
}

.ai-chat-input {
    padding: 0.9rem;
}

.ai-input-container {
    min-height: 44px !important;
}

#aiInput {
    min-width: 0;
    font-size: 15px !important;
}

#aiSend,
.ai-send-btn {
    width: 32px !important;
    height: 32px !important;
    min-width: 32px !important;
    min-height: 32px !important;
    max-width: 32px !important;
    max-height: 32px !important;
    border-radius: 16px !important;
}

@media (min-width: 1200px) {
    .ai-chat-window {
        width: 420px;
        height: min(600px, calc(100dvh - 8rem));
    }
}

@media (max-width: 900px) {
    .ai-chat-window {
        width: min(420px, calc(100vw - 2rem));
        height: min(70dvh, 560px);
        max-height: min(70dvh, 560px);
    }
}

@media (max-width: 768px) {
    .ai-assistant {
        left: 1rem;
        right: 1rem;
        bottom: max(0.9rem, env(safe-area-inset-bottom));
        justify-content: flex-end;
    }

    .ai-chat-toggle {
        width: 56px;
        height: 56px;
    }

    .ai-chat-window {
        left: 0;
        right: 0;
        width: auto;
        height: min(68dvh, 540px);
        max-height: min(68dvh, 540px);
        bottom: 68px;
        border-radius: 18px;
    }

    .ai-chat-header {
        gap: 0.75rem;
    }

    .ai-header-text h4 {
        font-size: 0.95rem;
    }

    .ai-header-text p {
        font-size: 0.76rem;
    }

    .ai-close {
        width: 34px;
        height: 34px;
    }

    .ai-message-content,
    .ai-typing {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .ai-assistant {
        left: 0.75rem;
        right: 0.75rem;
        bottom: max(0.75rem, env(safe-area-inset-bottom));
    }

    .ai-chat-window {
        height: min(64dvh, 500px);
        max-height: min(64dvh, 500px);
        bottom: 64px;
        border-radius: 16px;
    }

    .ai-chat-header,
    .ai-chat-input {
        padding: 0.8rem;
    }

    .ai-chat-messages {
        padding: 0.75rem;
        gap: 0.75rem;
    }

    .ai-message-content {
        padding: 0.7rem 0.85rem;
        font-size: 0.88rem;
    }

    #aiInput {
        padding: 10px 12px !important;
        font-size: 16px !important;
    }
}

@media (max-width: 380px) {
    .ai-assistant {
        left: 0.6rem;
        right: 0.6rem;
    }

    .ai-chat-window {
        height: min(60dvh, 460px);
        max-height: min(60dvh, 460px);
    }

    .ai-header-text p {
        display: none;
    }
}

/* ─── Final Device Fit Pass ─── */
html,
body {
    width: 100%;
    max-width: 100%;
    overflow-x: clip;
}

body {
    padding-left: env(safe-area-inset-left);
    padding-right: env(safe-area-inset-right);
}

.container,
.nav-container,
.footer-content,
.hero-content,
.project-card-inner,
.contact-wrapper,
.contact-content,
.contact-form-container,
.education-content,
.experience-timeline,
.skills-grid,
.certifications-grid {
    width: min(100%, 100%);
}

.hero-social,
.social-links,
.project-tags,
.skill-items,
.excites-list,
.footer-nav {
    flex-wrap: wrap;
}

.hero-social a,
.social-icon,
.project-link,
.cta-button,
.filter-btn,
.theme-toggle,
.ai-chat-toggle,
.ai-close,
.form-submit-btn {
    touch-action: manipulation;
}

.form-group input,
.form-group select,
.form-group textarea,
#aiInput {
    width: 100%;
    max-width: 100%;
}

.ai-assistant {
    z-index: 1200;
    inset-inline-end: max(1rem, env(safe-area-inset-right));
    inset-block-end: max(1rem, env(safe-area-inset-bottom));
}

.ai-chat-window {
    width: min(420px, calc(100vw - 2rem - env(safe-area-inset-left) - env(safe-area-inset-right)));
    max-width: calc(100vw - 2rem - env(safe-area-inset-left) - env(safe-area-inset-right));
    height: min(560px, calc(100dvh - 7.5rem - env(safe-area-inset-top) - env(safe-area-inset-bottom)));
    max-height: calc(100dvh - 7.5rem - env(safe-area-inset-top) - env(safe-area-inset-bottom));
}

.ai-chat-messages {
    overscroll-behavior: contain;
}

.ai-message-content,
.ai-typing {
    word-break: break-word;
}

@media (max-width: 1024px) {
    .hero {
        min-height: auto;
    }

    .hero-content {
        width: 100%;
        max-width: 760px;
    }

    .project-card-inner,
    .contact-wrapper,
    .about-content {
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    html {
        scroll-snap-type: none;
    }

    body {
        overflow-x: hidden;
    }

    .navbar {
        backdrop-filter: blur(14px);
    }

    .hero {
        padding-top: 6.25rem;
        padding-bottom: 3rem;
    }

    .hero-buttons {
        align-items: stretch;
    }

    .cta-button,
    .hero-social a,
    .social-icon,
    .project-link {
        min-height: 48px;
    }

    .hero-social a,
    .social-icon {
        width: 100%;
    }

    .project-card,
    .experience-item,
    .education-item,
    .cert-card,
    .skill-category,
    .contact-form-container {
        width: 100%;
    }

    .project-card-inner {
        padding: 1.1rem;
    }

    .contact-wrapper,
    .about-content,
    .education-content {
        grid-template-columns: 1fr;
    }

    .ai-assistant {
        left: 0.85rem;
        right: 0.85rem;
        bottom: max(0.85rem, env(safe-area-inset-bottom));
    }

    .ai-chat-window {
        width: auto;
        max-width: none;
        left: 0;
        right: 0;
        bottom: 68px;
        height: min(66dvh, 520px);
        max-height: min(66dvh, 520px);
    }

    .ai-chat-header,
    .ai-chat-input {
        padding: 0.8rem;
    }

    .ai-chat-messages {
        padding: 0.75rem;
    }

    .ai-message-content,
    .ai-typing {
        max-width: 92%;
    }
}

@media (max-width: 480px) {
    .container,
    .nav-container {
        padding-left: 0.85rem;
        padding-right: 0.85rem;
    }

    .hero-title {
        line-height: 0.96;
    }

    .hero-subtitle,
    .hero-tagline,
    .section-subtitle,
    .project-card-left p,
    .about-text p {
        overflow-wrap: anywhere;
    }

    .about-stats {
        grid-template-columns: 1fr;
    }

    .project-filters {
        gap: 0.6rem;
    }

    .filter-btn {
        min-height: 44px;
        white-space: nowrap;
    }

    .contact-item,
    .social-icon,
    .hero-social a {
        font-size: 0.92rem;
    }

    .ai-assistant {
        left: 0.7rem;
        right: 0.7rem;
        bottom: max(0.7rem, env(safe-area-inset-bottom));
    }

    .ai-chat-toggle {
        width: 54px;
        height: 54px;
    }

    .ai-chat-window {
        bottom: 62px;
        height: min(62dvh, 480px);
        max-height: min(62dvh, 480px);
        border-radius: 16px;
    }

    .ai-header-text h4 {
        font-size: 0.92rem;
    }

    .ai-header-text p {
        font-size: 0.74rem;
    }

    .ai-message-content {
        font-size: 0.87rem;
        line-height: 1.45;
    }
}

@media (max-width: 360px) {
    .container,
    .nav-container {
        padding-left: 0.7rem;
        padding-right: 0.7rem;
    }

    .hero-title {
        font-size: clamp(1.8rem, 11vw, 2.4rem);
    }

    .ai-assistant {
        left: 0.55rem;
        right: 0.55rem;
    }

    .ai-chat-window {
        bottom: 60px;
        height: min(58dvh, 440px);
        max-height: min(58dvh, 440px);
    }
}