/* ============================================
           CSS VARIABLES — Cosmic Prism Theme
        ============================================ */
        :root {
            --bg-deep: #04040f;
            --bg-surface: #0b0b1e;
            --bg-card: rgba(14, 14, 35, 0.6);
            --bg-card-hover: rgba(20, 20, 50, 0.8);

            --text-primary: #f0eeff;
            --text-secondary: rgba(200, 196, 255, 0.65);
            --text-muted: rgba(160, 155, 210, 0.45);

            --accent-violet: #8b5cf6;
            --accent-cyan: #06d6c7;
            --accent-pink: #ec4899;
            --accent-amber: #f59e0b;

            --glass-border: rgba(255, 255, 255, 0.07);
            --glass-border-hover: rgba(255, 255, 255, 0.15);

            --gradient-aurora-1: #4f46e5;
            --gradient-aurora-2: #7c3aed;
            --gradient-aurora-3: #0891b2;
            --gradient-aurora-4: #06b6d4;
            --gradient-aurora-5: #8b5cf6;
            --gradient-aurora-6: #c026d3;

            --font-display: 'Syne', sans-serif;
            --font-body: 'DM Sans', sans-serif;

            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
            --transition-smooth: 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ============================================
           RESET & BASE
        ============================================ */
        *, *::before, *::after {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-deep);
            color: var(--text-primary);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        ::selection {
            background: rgba(139, 92, 246, 0.35);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(139, 92, 246, 0.4);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(139, 92, 246, 0.7);
        }

        a {
            color: inherit;
            text-decoration: none;
        }

        /* ============================================
           AURORA BACKGROUND
        ============================================ */
        .aurora-bg {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            z-index: 0;
            pointer-events: none;
            overflow: hidden;
        }

        .aurora-bg::before,
        .aurora-bg::after {
            content: '';
            position: absolute;
            border-radius: 50%;
            filter: blur(120px);
            opacity: 0.5;
            animation: aurora-drift 18s ease-in-out infinite alternate;
        }

        .aurora-bg::before {
            width: 70vw;
            height: 70vw;
            max-width: 900px;
            max-height: 900px;
            top: -20%;
            left: -15%;
            background: radial-gradient(circle, rgba(79, 70, 229, 0.35) 0%, transparent 70%);
            animation-delay: 0s;
        }

        .aurora-bg::after {
            width: 60vw;
            height: 60vw;
            max-width: 800px;
            max-height: 800px;
            bottom: -20%;
            right: -10%;
            background: radial-gradient(circle, rgba(6, 214, 199, 0.25) 0%, rgba(192, 38, 211, 0.15) 50%, transparent 70%);
            animation-delay: -9s;
            animation-duration: 22s;
        }

        .aurora-ring {
            position: absolute;
            border-radius: 50%;
            border: 1px solid rgba(139, 92, 246, 0.06);
            animation: aurora-drift 30s ease-in-out infinite alternate-reverse;
        }

        .aurora-ring:nth-child(1) {
            width: 40vw; height: 40vw;
            top: 10%; right: 5%;
            animation-duration: 35s;
        }
        .aurora-ring:nth-child(2) {
            width: 25vw; height: 25vw;
            top: 40%; left: -5%;
            animation-duration: 28s;
            animation-delay: -5s;
            border-color: rgba(6, 214, 199, 0.05);
        }

        @keyframes aurora-drift {
            0%   { transform: translate(0, 0) scale(1); }
            33%  { transform: translate(3%, 5%) scale(1.05); }
            66%  { transform: translate(-2%, 3%) scale(0.97); }
            100% { transform: translate(5%, -3%) scale(1.03); }
        }

        /* ============================================
           STAR FIELD
        ============================================ */
        #star-field {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            z-index: 0;
            pointer-events: none;
        }

        .star {
            position: absolute;
            width: 2px; height: 2px;
            background: white;
            border-radius: 50%;
            opacity: 0;
            animation: star-twinkle var(--duration, 4s) var(--delay, 0s) ease-in-out infinite;
        }

        @keyframes star-twinkle {
            0%, 100% { opacity: 0; transform: scale(0.5); }
            50%       { opacity: var(--max-opacity, 0.7); transform: scale(1); }
        }

        /* ============================================
           NOISE TEXTURE OVERLAY
        ============================================ */
        .noise-overlay {
            position: fixed;
            top: 0; left: 0;
            width: 100%; height: 100%;
            z-index: 1;
            pointer-events: none;
            opacity: 0.025;
            background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
            background-size: 200px 200px;
        }

        /* ============================================
           LAYOUT
        ============================================ */
        .content-wrapper {
            position: relative;
            z-index: 2;
        }

        section {
            position: relative;
        }

        /* ============================================
           NAVIGATION
        ============================================ */
        .navbar {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 100;
            padding: 0 2rem;
            transition: var(--transition-base);
        }

        .navbar.scrolled {
            background: rgba(4, 4, 15, 0.8);
            backdrop-filter: blur(20px) saturate(1.5);
            -webkit-backdrop-filter: blur(20px) saturate(1.5);
            border-bottom: 1px solid var(--glass-border);
        }

        .navbar-inner {
            max-width: 1200px;
            margin: 0 auto;
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-brand img {
            width: 36px;
            height: 36px;
            filter: drop-shadow(0 0 8px rgba(139, 92, 246, 0.5));
        }

        .navbar-brand-text {
            font-family: var(--font-display);
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.02em;
            opacity: 0.9;
        }

        .navbar-links {
            display: flex;
            align-items: center;
            gap: 2.5rem;
            list-style: none;
        }

        .navbar-links a {
            font-family: var(--font-body);
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0.05em;
            text-transform: uppercase;
            position: relative;
            padding: 4px 0;
            transition: var(--transition-base);
        }

        .navbar-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 1px;
            background: linear-gradient(90deg, var(--accent-violet), var(--accent-cyan));
            transition: width var(--transition-base);
        }

        .navbar-links a:hover {
            color: var(--text-primary);
        }

        .navbar-links a:hover::after {
            width: 100%;
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--text-primary);
        }

        .mobile-menu {
            display: none;
            background: rgba(4, 4, 15, 0.95);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--glass-border);
            padding: 1rem 2rem 1.5rem;
        }

        .mobile-menu.active {
            display: block;
        }

        .mobile-menu a {
            display: block;
            padding: 0.875rem 0;
            color: var(--text-secondary);
            font-size: 1rem;
            font-weight: 500;
            border-bottom: 1px solid var(--glass-border);
            transition: var(--transition-base);
        }

        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a:hover { color: var(--text-primary); padding-left: 8px; }

        @media (max-width: 768px) {
            .navbar-links { display: none; }
            .mobile-menu-btn { display: block; }
            .navbar-brand-text { font-size: 0.875rem; }
        }

        /* ============================================
           HERO SECTION
        ============================================ */
        .hero {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 72px 2rem 4rem;
            position: relative;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            max-width: 800px;
        }

        /* Entrance animation for hero elements */
        .hero-avatar {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            border: 2px solid transparent;
            background: linear-gradient(var(--bg-card), var(--bg-card)) padding-box,
                        linear-gradient(135deg, var(--accent-violet), var(--accent-cyan), var(--accent-pink)) border-box;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 2.5rem;
            box-shadow:
                0 0 0 1px rgba(139, 92, 246, 0.2),
                0 0 60px rgba(139, 92, 246, 0.15),
                0 20px 60px rgba(0, 0, 0, 0.4);
            animation: avatar-entrance 1s var(--transition-spring) both;
            overflow: hidden;
        }

        .hero-avatar img {
            width: 112px;
            height: 112px;
            border-radius: 50%;
            object-fit: cover;
        }

        @keyframes avatar-entrance {
            from { opacity: 0; transform: scale(0.7) translateY(20px); }
            to   { opacity: 1; transform: scale(1) translateY(0); }
        }

        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 100px;
            background: rgba(139, 92, 246, 0.1);
            border: 1px solid rgba(139, 92, 246, 0.25);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-violet);
            margin-bottom: 1.5rem;
            animation: fade-up 0.8s 0.15s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .hero-eyebrow .dot {
            width: 6px; height: 6px;
            border-radius: 50%;
            background: var(--accent-cyan);
            box-shadow: 0 0 6px var(--accent-cyan);
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.7); }
        }

        .hero-title {
            font-family: var(--font-display);
            font-size: clamp(3rem, 8vw, 5.5rem);
            font-weight: 800;
            line-height: 1.05;
            letter-spacing: -0.02em;
            margin-bottom: 1.5rem;
            animation: fade-up 0.8s 0.25s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .hero-title .gradient-text {
            background: linear-gradient(135deg,
                var(--accent-violet) 0%,
                var(--accent-cyan) 40%,
                var(--accent-pink) 70%,
                var(--accent-amber) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            background-size: 200% 200%;
            animation: gradient-shift 6s ease-in-out infinite;
        }

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

        .hero-subtitle {
            font-size: clamp(1rem, 2.5vw, 1.25rem);
            font-weight: 300;
            color: var(--text-secondary);
            line-height: 1.6;
            max-width: 560px;
            margin: 0 auto 2.5rem;
            animation: fade-up 0.8s 0.35s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .hero-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
            animation: fade-up 0.8s 0.45s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--accent-violet), #6d28d9);
            color: white;
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
            transition: var(--transition-spring);
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
        }

        .btn-primary::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(255,255,255,0.15), transparent);
            opacity: 0;
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            transform: translateY(-2px) scale(1.02);
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
        }

        .btn-primary:hover::before { opacity: 1; }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 100px;
            background: transparent;
            color: var(--text-primary);
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 500;
            border: 1px solid var(--glass-border-hover);
            cursor: pointer;
            transition: var(--transition-spring);
            backdrop-filter: blur(10px);
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.25);
            transform: translateY(-2px);
        }

        .hero-scroll-wrap {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: var(--text-muted);
            font-size: 0.7rem;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            animation: fade-up 0.8s 0.8s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .scroll-line {
            width: 1px;
            height: 48px;
            background: linear-gradient(to bottom, var(--accent-violet), transparent);
            animation: scroll-pulse 2s ease-in-out infinite;
        }

        @keyframes scroll-pulse {
            0%, 100% { opacity: 0.3; transform: scaleY(0.5); transform-origin: top; }
            50% { opacity: 1; transform: scaleY(1); }
        }

        @keyframes fade-up {
            from { opacity: 0; transform: translateY(24px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        /* ============================================
           SECTION COMMONS
        ============================================ */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.7rem;
            font-weight: 600;
            letter-spacing: 0.2em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }

        .section-tag::before {
            content: '';
            display: block;
            width: 24px;
            height: 1px;
            background: var(--accent-cyan);
            opacity: 0.7;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: clamp(2rem, 5vw, 3rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.15;
            margin-bottom: 1rem;
        }

        .section-desc {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            max-width: 560px;
        }

        /* ============================================
           ABOUT SECTION
        ============================================ */
        .about {
            padding: 8rem 2rem;
        }

        .about-inner {
            max-width: 900px;
            margin: 0 auto;
        }

        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 5rem;
            align-items: center;
            margin-top: 4rem;
        }

        .about-bio {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--text-secondary);
        }

        .about-bio strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .about-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            padding: 2.5rem;
            backdrop-filter: blur(20px);
            transition: var(--transition-smooth);
        }

        .about-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-4px);
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .about-card-title {
            font-family: var(--font-display);
            font-size: 1.125rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .about-card-title .icon {
            width: 28px; height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
        }

        /* Tech tags */
        .tech-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tech-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            border: 1px solid transparent;
            cursor: default;
            transition: var(--transition-spring);
            animation: fade-up 0.6s both;
        }

        .tech-tag:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
        }

        .tech-tag .dot {
            width: 5px; height: 5px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* Tech tag color variants */
        .tech-violet  { background: rgba(139, 92, 246, 0.12); border-color: rgba(139, 92, 246, 0.25); color: #c4b5fd; }
        .tech-violet .dot { background: #8b5cf6; box-shadow: 0 0 4px #8b5cf6; }
        .tech-cyan    { background: rgba(6, 214, 199, 0.1);  border-color: rgba(6, 214, 199, 0.2);  color: #67e8f9; }
        .tech-cyan   .dot { background: #06d6c7; box-shadow: 0 0 4px #06d6c7; }
        .tech-pink   { background: rgba(236, 72, 153, 0.1); border-color: rgba(236, 72, 153, 0.2); color: #f9a8d4; }
        .tech-pink   .dot { background: #ec4899; box-shadow: 0 0 4px #ec4899; }
        .tech-amber  { background: rgba(245, 158, 11, 0.1); border-color: rgba(245, 158, 11, 0.2); color: #fcd34d; }
        .tech-amber  .dot { background: #f59e0b; box-shadow: 0 0 4px #f59e0b; }
        .tech-blue   { background: rgba(59, 130, 246, 0.1); border-color: rgba(59, 130, 246, 0.2); color: #93c5fd; }
        .tech-blue   .dot { background: #3b82f6; box-shadow: 0 0 4px #3b82f6; }
        .tech-green  { background: rgba(34, 197, 94, 0.1);  border-color: rgba(34, 197, 94, 0.2);  color: #86efac; }
        .tech-green  .dot { background: #22c55e; box-shadow: 0 0 4px #22c55e; }
        .tech-red    { background: rgba(239, 68, 68, 0.1);  border-color: rgba(239, 68, 68, 0.2);  color: #fca5a5; }
        .tech-red    .dot { background: #ef4444; box-shadow: 0 0 4px #ef4444; }
        .tech-gray   { background: rgba(148, 163, 184, 0.1); border-color: rgba(148, 163, 184, 0.15); color: #cbd5e1; }
        .tech-gray   .dot { background: #94a3b8; box-shadow: 0 0 4px #94a3b8; }

        @media (max-width: 768px) {
            .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
            .about { padding: 5rem 2rem; }
        }

        /* ============================================
           PROJECTS SECTION
        ============================================ */
        .projects {
            padding: 8rem 2rem;
        }

        .projects-inner {
            max-width: 1200px;
            margin: 0 auto;
        }

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

        .projects-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 1.5rem;
        }

        /* Project Card */
        .project-card {
            background: var(--bg-card);
            border: 1px solid var(--glass-border);
            border-radius: 20px;
            overflow: hidden;
            backdrop-filter: blur(20px);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            opacity: 0;
            transform: translateY(30px);
            animation: card-reveal 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .project-card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @keyframes card-reveal {
            from { opacity: 0; transform: translateY(30px); }
            to   { opacity: 1; transform: translateY(0); }
        }

        .project-card:hover {
            border-color: var(--glass-border-hover);
            transform: translateY(-6px);
            box-shadow:
                0 0 0 1px rgba(139, 92, 246, 0.15),
                0 24px 60px rgba(0, 0, 0, 0.4),
                0 0 60px rgba(139, 92, 246, 0.05);
        }

        .project-card-top {
            padding: 1.75rem 1.75rem 0;
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 1rem;
        }

        .project-logo-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 8px;
            flex-shrink: 0;
            transition: var(--transition-base);
        }

        .project-card:hover .project-logo-wrap {
            border-color: rgba(139, 92, 246, 0.3);
            box-shadow: 0 0 20px rgba(139, 92, 246, 0.15);
        }

        .project-logo-wrap img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            filter: brightness(1.1) saturate(1.2);
        }

        .project-stars {
            display: flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 100px;
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.2);
            flex-shrink: 0;
        }

        .project-stars svg {
            width: 12px; height: 12px;
            fill: #f59e0b;
        }

        .project-stars span {
            font-size: 0.8rem;
            font-weight: 600;
            color: #fcd34d;
        }

        .project-card-body {
            padding: 1.25rem 1.75rem 1.75rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .project-name {
            font-family: var(--font-display);
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.375rem;
            letter-spacing: -0.01em;
        }

        .project-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }

        .project-desc {
            font-size: 0.875rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
            margin-bottom: 1rem;
        }

        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 1.25rem;
        }

        .project-tech .mini-tag {
            padding: 3px 10px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 500;
        }

        .project-card-footer {
            padding: 1rem 1.75rem;
            border-top: 1px solid var(--glass-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .lang-badge {
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
        }

        .lang-python    { background: rgba(59, 130, 246, 0.12); color: #93c5fd; }
        .lang-javascript { background: rgba(245, 158, 11, 0.12); color: #fcd34d; }
        .lang-multilang  { background: rgba(139, 92, 246, 0.12); color: #c4b5fd; }

        .btn-github {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            transition: var(--transition-base);
            padding: 4px 8px;
            border-radius: 8px;
        }

        .btn-github:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.05);
        }

        .btn-github svg {
            width: 16px; height: 16px;
            fill: currentColor;
        }

        .btn-gallery {
            width: 100%;
            margin-top: 0.75rem;
            padding: 10px;
            border-radius: 12px;
            background: rgba(139, 92, 246, 0.08);
            border: 1px solid rgba(139, 92, 246, 0.15);
            color: #c4b5fd;
            font-family: var(--font-body);
            font-size: 0.8rem;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
        }

        .btn-gallery:hover {
            background: rgba(139, 92, 246, 0.15);
            border-color: rgba(139, 92, 246, 0.3);
            color: #ddd6fe;
        }

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

        /* ============================================
           FOOTER
        ============================================ */
        .footer {
            padding: 5rem 2rem 2.5rem;
            border-top: 1px solid var(--glass-border);
            position: relative;
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 3rem;
            margin-bottom: 3rem;
        }

        .footer-col-title {
            font-family: var(--font-display);
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.15em;
            text-transform: uppercase;
            color: var(--text-primary);
            margin-bottom: 1.25rem;
            opacity: 0.7;
        }

        .footer-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 0.875rem;
            color: var(--text-secondary);
            transition: var(--transition-base);
            border-bottom: 1px solid transparent;
        }

        .footer-link:hover {
            color: var(--text-primary);
            padding-left: 4px;
        }

        .footer-link img {
            width: 16px; height: 16px;
            opacity: 0.6;
        }

        .contact-qr {
            display: flex;
            gap: 1rem;
        }

        .qr-item {
            text-align: center;
        }

        .qr-item img {
            width: 80px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            border: 1px solid var(--glass-border);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .qr-item img:hover {
            transform: scale(1.08);
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.2);
        }

        .qr-item p {
            font-size: 0.7rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        .footer-bottom {
            border-top: 1px solid var(--glass-border);
            padding-top: 2rem;
            text-align: center;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1rem;
        }

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

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

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

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
        }

        /* ============================================
           MODAL
        ============================================ */
        .modal-overlay {
            position: fixed;
            inset: 0;
            background: rgba(4, 4, 15, 0.85);
            backdrop-filter: blur(12px);
            z-index: 200;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 1.5rem;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-base);
        }

        .modal-overlay.active {
            opacity: 1;
            visibility: visible;
        }

        .modal-box {
            background: var(--bg-surface);
            border: 1px solid var(--glass-border-hover);
            border-radius: 24px;
            width: 100%;
            max-width: 960px;
            max-height: 90vh;
            overflow-y: auto;
            transform: scale(0.92) translateY(20px);
            transition: var(--transition-spring);
            box-shadow: 0 40px 100px rgba(0, 0, 0, 0.5);
        }

        .modal-overlay.active .modal-box {
            transform: scale(1) translateY(0);
        }

        .modal-header {
            position: sticky;
            top: 0;
            background: rgba(11, 11, 30, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--glass-border);
            padding: 1.5rem 2rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-radius: 24px 24px 0 0;
            z-index: 1;
        }

        .modal-header-title {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
        }

        .modal-close {
            width: 36px; height: 36px;
            border-radius: 10px;
            border: 1px solid var(--glass-border);
            background: transparent;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .modal-close:hover {
            background: rgba(255,255,255,0.05);
            border-color: var(--glass-border-hover);
            color: var(--text-primary);
        }

        .modal-body {
            padding: 2rem;
        }

        .modal-desc {
            font-size: 1rem;
            line-height: 1.8;
            color: var(--text-secondary);
            margin-bottom: 2rem;
        }

        .modal-section-title {
            font-family: var(--font-display);
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--accent-cyan);
            margin-bottom: 1rem;
        }

        .modal-tech-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 2rem;
        }

        .modal-images-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1rem;
            margin-bottom: 2rem;
        }

        .modal-image-item {
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            position: relative;
            aspect-ratio: 16/10;
            border: 1px solid var(--glass-border);
            transition: var(--transition-spring);
        }

        .modal-image-item:hover {
            transform: scale(1.03);
            border-color: rgba(139, 92, 246, 0.4);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4);
        }

        .modal-image-item img {
            width: 100%; height: 100%;
            object-fit: cover;
        }

        .modal-image-item .overlay-icon {
            position: absolute;
            inset: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0,0,0,0.4);
            opacity: 0;
            transition: var(--transition-base);
        }

        .modal-image-item:hover .overlay-icon { opacity: 1; }

        .modal-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: 100px;
            background: linear-gradient(135deg, var(--accent-violet), #6d28d9);
            color: white;
            font-family: var(--font-body);
            font-size: 0.9rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition-spring);
            box-shadow: 0 4px 20px rgba(139, 92, 246, 0.35);
        }

        .modal-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(139, 92, 246, 0.5);
        }

        /* Lightbox */
        .lightbox {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.92);
            z-index: 300;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            opacity: 0;
            visibility: hidden;
            transition: var(--transition-base);
        }

        .lightbox.active {
            opacity: 1;
            visibility: visible;
        }

        .lightbox img {
            max-width: 90vw;
            max-height: 85vh;
            object-fit: contain;
            border-radius: 12px;
            box-shadow: 0 40px 100px rgba(0, 0, 0, 0.6);
        }

        .lightbox-close {
            position: absolute;
            top: 1.5rem;
            right: 1.5rem;
            width: 40px; height: 40px;
            border-radius: 10px;
            border: 1px solid rgba(255,255,255,0.15);
            background: rgba(255,255,255,0.05);
            color: white;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .lightbox-close:hover {
            background: rgba(255,255,255,0.1);
        }

        /* ============================================
           SCROLL ANIMATIONS
        ============================================ */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
                        transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .reveal-delay-1 { transition-delay: 0.1s; }
        .reveal-delay-2 { transition-delay: 0.2s; }
        .reveal-delay-3 { transition-delay: 0.3s; }