/* ============================================
           LIGHT THEME - CLEAN & MINIMALIST
        ============================================ */
        :root {
            --bg-primary: #ffffff;
            --bg-secondary: #f8fafc;
            --bg-tertiary: #f1f5f9;
            --text-primary: #0f172a;
            --text-secondary: #475569;
            --text-muted: #94a3b8;
            --accent-primary: #2f4a91;
            --accent-secondary: #2f4a91;
            --accent-gradient: linear-gradient(135deg, #2f4a91, #2f4a91);
            --on-accent-text: #ffffff;
            --border-color: #e2e8f0;
            --terminal-bg: #1e293b;
            --terminal-text: #e2e8f0;
            --terminal-green: #22c55e;
            --terminal-cyan: #06b6d4;
            --success: #10b981;
            --card-shadow: 0 1px 3px rgba(0,0,0,0.05), 0 1px 2px rgba(0,0,0,0.1);
            --card-shadow-hover: 0 10px 40px rgba(0,0,0,0.08);
            --nav-bg-rgb: 255, 255, 255;
        }

        [data-theme="dark"] {
            --bg-primary: #0f172a;
            --bg-secondary: #111b2f;
            --bg-tertiary: #1e2a44;
            --text-primary: #e2e8f0;
            --text-secondary: #c2ccda;
            --text-muted: #97a6bc;
            --accent-primary: #7fddff;
            --accent-secondary: #7fddff;
            --accent-gradient: linear-gradient(135deg, #7fddff, #7fddff);
            --on-accent-text: #0b2342;
            --border-color: #2a3958;
            --terminal-bg: #0a1120;
            --terminal-text: #dbe7f8;
            --terminal-green: #4ade80;
            --terminal-cyan: #22d3ee;
            --success: #34d399;
            --card-shadow: 0 1px 3px rgba(0,0,0,0.25), 0 1px 2px rgba(0,0,0,0.35);
            --card-shadow-hover: 0 14px 40px rgba(0,0,0,0.35);
            --nav-bg-rgb: 15, 23, 42;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.7;
            overflow-x: hidden;
        }

        /* ============================================
           LOADING SCREEN
        ============================================ */
        #loader {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--bg-primary);
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 9999;
            transition: opacity 0.5s ease, visibility 0.5s ease;
        }

        #loader.hidden {
            opacity: 0;
            visibility: hidden;
        }

        .loader-text {
            font-family: 'JetBrains Mono', monospace;
            font-size: 1.2rem;
            color: var(--accent-primary);
            margin-bottom: 1.5rem;
        }

        .loader-bar {
            width: 200px;
            height: 4px;
            background: var(--bg-tertiary);
            border-radius: 2px;
            overflow: hidden;
        }

        .loader-progress {
            height: 100%;
            background: var(--accent-gradient);
            width: 0;
            animation: loadProgress 2s ease forwards;
        }

        @keyframes loadProgress {
            0% { width: 0; }
            100% { width: 100%; }
        }

        .loader-pct {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 0.75rem;
        }

        /* ============================================
           SCROLL PROGRESS BAR
        ============================================ */
        #scroll-progress {
            position: fixed;
            top: 0;
            left: 0;
            width: 0%;
            height: 3px;
            background: var(--accent-gradient);
            z-index: 1001;
            transition: width 0.1s ease;
        }

        /* ============================================
           CURSOR TRAIL
        ============================================ */
        .cursor-particle {
            position: fixed;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent-primary);
            pointer-events: none;
            z-index: 9998;
            opacity: 0.6;
            transform: translate(-50%, -50%);
            transition: transform 0.15s ease, opacity 0.3s ease;
        }

        .cursor-particle.fade {
            opacity: 0;
            transform: translate(-50%, -50%) scale(0);
        }

        /* ============================================
           CUSTOM SCROLLBAR
        ============================================ */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-secondary);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--accent-primary);
            border-radius: 3px;
        }

        /* ============================================
           MATRIX CANVAS (SUBTLE)
        ============================================ */
        #matrix-canvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -10;
            opacity: 0.03;
            pointer-events: none;
        }

        /* ============================================
           TYPOGRAPHY
        ============================================ */
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.2;
        }

        .gradient-text {
            background: var(--accent-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-label {
            display: inline-block;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-primary);
            margin-bottom: 0.75rem;
            letter-spacing: 0.5px;
        }

        .acronym-tip {
            position: relative;
            display: inline-block;
            border-bottom: 1px dashed rgba(47, 74, 145, 0.65);
            color: inherit;
            cursor: help;
            line-height: 1.2;
        }

        .acronym-tip::before {
            content: attr(data-tooltip);
            position: absolute;
            left: 50%;
            bottom: calc(100% + 10px);
            transform: translateX(-50%) translateY(4px);
            width: min(260px, 78vw);
            padding: 0.5rem 0.65rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-primary);
            color: var(--text-primary);
            font-size: 0.75rem;
            font-weight: 500;
            line-height: 1.4;
            text-align: left;
            box-shadow: var(--card-shadow-hover);
            opacity: 0;
            pointer-events: none;
            transition: opacity 0.18s ease, transform 0.18s ease;
            z-index: 50;
        }

        .acronym-tip::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: calc(100% + 4px);
            width: 8px;
            height: 8px;
            background: var(--bg-primary);
            border-right: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            transform: translateX(-50%) rotate(45deg);
            opacity: 0;
            transition: opacity 0.18s ease;
            pointer-events: none;
            z-index: 49;
        }

        .acronym-tip:hover::before,
        .acronym-tip:focus-visible::before {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        .acronym-tip:hover::after,
        .acronym-tip:focus-visible::after {
            opacity: 1;
        }

        /* ============================================
           CONTAINER
        ============================================ */
        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* ============================================
           NAVIGATION
        ============================================ */
        nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            background: rgba(var(--nav-bg-rgb), 0.9);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-color);
            z-index: 1000;
            transition: all 0.3s ease;
        }

        .nav-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            height: 64px;
        }

        .logo {
            font-family: 'JetBrains Mono', monospace;
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--text-primary);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.25rem;
            white-space: nowrap;
            min-width: 0;
        }

        .logo .accent {
            color: var(--accent-primary);
        }

        .nav-links {
            display: flex;
            list-style: none;
            gap: 2rem;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            text-decoration: none;
            transition: color 0.2s ease;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-primary);
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-gradient);
            transition: width 0.3s ease;
        }

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

        .download-btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.5rem 1rem;
            background: var(--accent-gradient);
            color: var(--on-accent-text);
            font-family: 'Inter', sans-serif;
            font-size: 0.85rem;
            font-weight: 500;
            text-decoration: none;
            border-radius: 6px;
            transition: all 0.2s ease;
            border: none;
            cursor: pointer;
            position: relative;
            overflow: hidden;
        }

        .download-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 14px rgba(47, 74, 145, 0.35);
        }

        .theme-toggle {
            display: inline-flex;
            align-items: center;
            gap: 0.45rem;
            height: 36px;
            padding: 0 0.75rem;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Inter', sans-serif;
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.2s ease;
        }

        .theme-toggle:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        .theme-toggle-icon {
            font-size: 0.95rem;
            line-height: 1;
        }

        .burger {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            cursor: pointer;
            padding: 5px;
        }

        .burger span {
            width: 24px;
            height: 2px;
            background: var(--text-primary);
            transition: all 0.3s ease;
        }

        /* ============================================
           RIPPLE EFFECT
        ============================================ */
        .ripple {
            position: absolute;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.4);
            transform: scale(0);
            animation: rippleEffect 0.6s ease-out;
            pointer-events: none;
        }

        @keyframes rippleEffect {
            to {
                transform: scale(4);
                opacity: 0;
            }
        }

        /* ============================================
           HERO SECTION
        ============================================ */
        #hero {
            min-height: 100vh;
            min-height: 100svh;
            min-height: 100dvh;
            height: 100vh;
            height: 100svh;
            height: 100dvh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            position: relative;
            padding-top: 64px;
            overflow: hidden;
        }

        /* Hero content - static */
        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 1100px;
            margin: 0 auto;
            max-height: calc(100dvh - 64px);
            padding: clamp(1rem, 3.2vh, 2.2rem) 2rem clamp(6.5rem, 11vh, 8.5rem);
            display: grid;
            grid-template-columns: minmax(0, 1fr) clamp(260px, 32vw, 360px);
            grid-template-areas:
                "badge profile"
                "title profile"
                "subtitle profile"
                "desc profile"
                "actions profile"
                "stats profile";
            column-gap: clamp(1.5rem, 4vw, 3.5rem);
            row-gap: 0.45rem;
            align-items: center;
            text-align: left;
        }

        /* Floating elements for hero - HIDDEN */
        .hero-float {
            display: none;
        }

        /* Profile Photo */
        .hero-profile {
            grid-area: profile;
            justify-self: end;
            align-self: center;
            margin-bottom: clamp(1rem, 2.2vh, 2rem);
            opacity: 0;
            transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .hero-profile.visible {
            opacity: 1;
        }

        .profile-container {
            position: relative;
            width: clamp(220px, 26vw, 320px);
            height: clamp(220px, 26vw, 320px);
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .profile-ring {
            position: absolute;
            top: -8px;
            left: -8px;
            right: -8px;
            bottom: -8px;
            border: 3px solid transparent;
            border-radius: 50%;
            background: linear-gradient(var(--bg-primary), var(--bg-primary)) padding-box,
                        var(--accent-gradient) border-box;
            animation: rotateRing 8s linear infinite;
        }

        @keyframes rotateRing {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        .profile-ring::before {
            content: '';
            position: absolute;
            top: -4px;
            left: 50%;
            width: 12px;
            height: 12px;
            background: var(--accent-primary);
            border-radius: 50%;
            transform: translateX(-50%);
            box-shadow: 0 0 15px var(--accent-primary);
        }

        .profile-photo {
            width: clamp(198px, 23vw, 286px);
            height: clamp(198px, 23vw, 286px);
            border-radius: 50%;
            object-fit: cover;
            object-position: center center;
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            border: 4px solid var(--bg-primary);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        }

        .profile-decoration {
            display: none;
        }

        /* Scroll Down Button */
        .scroll-down {
            position: absolute;
            left: 50%;
            bottom: max(1rem, env(safe-area-inset-bottom));
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.5rem;
            cursor: pointer;
            z-index: 10;
            opacity: 0;
            animation: fadeInScroll 0.6s ease 3.5s forwards;
            transition: opacity 0.3s ease;
        }

        @keyframes fadeInScroll {
            to { opacity: 1; }
        }

        .scroll-down:hover .scroll-mouse {
            border-color: var(--accent-primary);
            box-shadow: 0 0 15px rgba(47, 74, 145, 0.3);
        }

        .scroll-down:hover .scroll-wheel {
            background: var(--accent-primary);
        }

        .scroll-mouse {
            width: 26px;
            height: 42px;
            border: 2px solid var(--text-muted);
            border-radius: 13px;
            display: flex;
            justify-content: center;
            padding-top: 8px;
            transition: all 0.3s ease;
        }

        .scroll-wheel {
            width: 4px;
            height: 8px;
            background: var(--text-muted);
            border-radius: 2px;
            animation: scrollWheel 1.5s infinite;
            transition: background 0.3s ease;
        }

        @keyframes scrollWheel {
            0% { transform: translateY(0); opacity: 1; }
            100% { transform: translateY(10px); opacity: 0; }
        }

        .scroll-text {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.7rem;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: color 0.3s ease;
        }

        .scroll-down:hover .scroll-text {
            color: var(--accent-primary);
        }

        .scroll-arrows {
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: 0.25rem;
        }

        .scroll-arrow {
            width: 10px;
            height: 10px;
            border-right: 2px solid var(--text-muted);
            border-bottom: 2px solid var(--text-muted);
            transform: rotate(45deg);
            animation: scrollArrow 1.5s infinite;
            opacity: 0.3;
        }

        .scroll-arrow:nth-child(2) {
            animation-delay: 0.2s;
            margin-top: -6px;
        }

        @keyframes scrollArrow {
            0%, 100% { opacity: 0.3; transform: rotate(45deg) translateY(0); }
            50% { opacity: 1; transform: rotate(45deg) translateY(3px); }
        }

        /* Parallax elements */
        .parallax-shape {
            position: absolute;
            border-radius: 50%;
            opacity: 0.1;
            pointer-events: none;
        }

        .shape-1 {
            width: 300px;
            height: 300px;
            background: var(--accent-primary);
            top: 10%;
            right: 5%;
        }

        .shape-2 {
            width: 200px;
            height: 200px;
            background: var(--accent-secondary);
            bottom: 20%;
            left: 10%;
        }

        .shape-3 {
            width: 150px;
            height: 150px;
            background: var(--accent-primary);
            top: 50%;
            right: 20%;
        }

        .hero-badge {
            grid-area: badge;
            justify-self: start;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.25rem;
            background: rgba(16, 185, 129, 0.1);
            border: 1px solid rgba(16, 185, 129, 0.3);
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--success);
            margin-bottom: 1.5rem;
            animation: fadeInUp 0.6s ease forwards;
        }

        .hero-badge::before {
            content: '';
            width: 8px;
            height: 8px;
            background: var(--success);
            border-radius: 50%;
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.7; transform: scale(1.2); }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero h1 {
            grid-area: title;
            font-size: clamp(2.25rem, 6.2vw, 4rem);
            font-weight: 800;
            margin-bottom: 0.75rem;
            animation: fadeInUp 0.6s ease 0.1s forwards;
            opacity: 0;
            line-height: 1.1;
        }

        .hero-subtitle {
            grid-area: subtitle;
            font-size: clamp(1.15rem, 2.5vw, 1.5rem);
            font-weight: 500;
            color: var(--accent-primary);
            margin-bottom: 1.25rem;
            animation: fadeInUp 0.6s ease 0.2s forwards;
            opacity: 0;
        }

        .hero-desc {
            grid-area: desc;
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 0 1.2rem;
            animation: fadeInUp 0.6s ease 0.3s forwards;
            opacity: 0;
            line-height: 1.8;
        }

        .hero-actions {
            grid-area: actions;
            display: flex;
            gap: 1rem;
            margin-bottom: 1.5rem;
            flex-wrap: wrap;
            justify-content: flex-start;
            animation: fadeInUp 0.6s ease 0.4s forwards;
            opacity: 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 1rem 2rem;
            font-family: 'Inter', sans-serif;
            font-size: 1rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 10px;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            position: relative;
            overflow: hidden;
        }

        .btn-primary {
            background: var(--accent-gradient);
            color: var(--on-accent-text);
            box-shadow: 0 4px 20px rgba(47, 74, 145, 0.4);
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(47, 74, 145, 0.5);
        }

        .btn-ghost {
            background: transparent;
            color: var(--text-primary);
            border: 2px solid var(--border-color);
        }

        .btn-ghost:hover {
            background: var(--bg-tertiary);
            border-color: var(--accent-primary);
            color: var(--accent-primary);
        }

        .hero-stats {
            grid-area: stats;
            display: flex;
            gap: clamp(1.6rem, 5vw, 4rem);
            flex-wrap: wrap;
            justify-content: flex-start;
            margin-bottom: clamp(2.75rem, 5vh, 4rem);
            animation: fadeInUp 0.6s ease 0.5s forwards;
            opacity: 0;
        }

        .stat {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .stat-num {
            font-family: 'JetBrains Mono', monospace;
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-primary);
        }

        .stat-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 0.25rem;
        }

        /* ============================================
           SECTIONS
        ============================================ */
        section {
            padding: 6rem 0;
            position: relative;
        }

        section:nth-child(even) {
            background: var(--bg-secondary);
        }

        .section-title {
            font-size: clamp(1.75rem, 4vw, 2.25rem);
            margin-bottom: 2.5rem;
        }

        /* ============================================
           ABOUT SECTION
        ============================================ */
        .about-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: start;
        }

        .about-left h2 {
            font-size: 1.75rem;
            margin-bottom: 1.5rem;
        }

        .about-left p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
            line-height: 1.8;
        }

        .about-left strong {
            color: var(--accent-primary);
        }

        .tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin-top: 1.5rem;
        }

        .tag {
            padding: 0.5rem 1rem;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            transition: all 0.2s ease;
        }

        .tag:hover {
            border-color: var(--accent-primary);
            color: var(--accent-primary);
            transform: translateY(-2px);
        }

        /* Terminal */
        .terminal {
            background: var(--terminal-bg);
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--card-shadow-hover);
        }

        .terminal-bar {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 16px;
            background: rgba(0, 0, 0, 0.2);
        }

        .dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }

        .dot-r { background: #ff5f57; }
        .dot-y { background: #febc2e; }
        .dot-g { background: #28c840; }

        .terminal-name {
            margin-left: auto;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .terminal-content {
            padding: 1.25rem 1.5rem;
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.85rem;
            line-height: 1.8;
            min-height: 280px;
        }

        .t-line {
            margin-bottom: 0.25rem;
            opacity: 0;
        }

        .t-line.visible {
            opacity: 1;
            animation: typeIn 0.3s ease;
        }

        @keyframes typeIn {
            from { opacity: 0; transform: translateX(-10px); }
            to { opacity: 1; transform: translateX(0); }
        }

        .t-p {
            color: var(--terminal-green);
            margin-right: 0.5rem;
        }

        .t-c {
            color: var(--terminal-cyan);
        }

        .t-o {
            color: var(--terminal-text);
            padding-left: 1.5rem;
        }

        .t-blink {
            color: #ffffff;
            animation: blink 1s infinite;
        }

        @keyframes blink {
            0%, 50% { opacity: 1; }
            51%, 100% { opacity: 0; }
        }

        /* ============================================
           EXPERIENCE SECTION - TIMELINE
        ============================================ */
        .timeline {
            position: relative;
            padding-left: 2rem;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 0;
            top: 8px;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
        }

        .timeline-item {
            position: relative;
            padding-bottom: 2.5rem;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .tl-dot {
            position: absolute;
            left: -2rem;
            top: 8px;
            width: 12px;
            height: 12px;
            background: var(--accent-primary);
            border-radius: 50%;
            transform: translateX(-5px);
            box-shadow: 0 0 0 4px rgba(47, 74, 145, 0.2);
        }

        .tl-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .tl-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 12px;
            opacity: 0;
            background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(47, 74, 145, 0.1) 0%, transparent 50%);
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

        .tl-card:hover::before {
            opacity: 1;
        }

        .tl-card:hover {
            box-shadow: var(--card-shadow-hover), 0 0 30px rgba(47, 74, 145, 0.1);
            transform: translateY(-2px);
        }

        .tl-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 0.75rem;
            flex-wrap: wrap;
            gap: 0.5rem;
        }

        .tl-header h3 {
            font-size: 1.1rem;
            font-weight: 600;
        }

        .tl-company {
            font-size: 0.9rem;
            color: var(--text-muted);
        }

        .tl-date {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.8rem;
            color: var(--accent-primary);
            background: rgba(47, 74, 145, 0.1);
            padding: 0.25rem 0.75rem;
            border-radius: 4px;
            white-space: nowrap;
        }

        .tl-type {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--success);
            background: rgba(16, 185, 129, 0.1);
            padding: 0.2rem 0.6rem;
            border-radius: 4px;
            margin-bottom: 1rem;
        }

        .tl-card ul {
            list-style: none;
            padding: 0;
        }

        .tl-card li {
            position: relative;
            padding-left: 1.25rem;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
            line-height: 1.6;
        }

        .tl-card li::before {
            content: '→';
            position: absolute;
            left: 0;
            color: var(--accent-primary);
        }

        /* ============================================
           SKILLS SECTION
        ============================================ */
        .skills-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
        }

        .skill-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.5rem;
            transition: all 0.3s ease;
            position: relative;
        }

        .skill-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 12px;
            opacity: 0;
            background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(47, 74, 145, 0.08) 0%, transparent 50%);
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

        .skill-card:hover::before {
            opacity: 1;
        }

        .skill-card:hover {
            box-shadow: var(--card-shadow-hover), 0 0 40px rgba(47, 74, 145, 0.08);
            transform: translateY(-4px);
        }

        .skill-icon {
            font-size: 1.75rem;
            margin-bottom: 1rem;
        }

        .skill-card h3 {
            font-size: 1.1rem;
            margin-bottom: 1.25rem;
            color: var(--text-primary);
        }

        .skill-row {
            margin-bottom: 1rem;
        }

        .skill-row:last-child {
            margin-bottom: 0;
        }

        .skill-row > span {
            display: block;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .bar {
            height: 6px;
            background: var(--bg-tertiary);
            border-radius: 3px;
            overflow: hidden;
        }

        .bar-fill {
            height: 100%;
            background: var(--accent-gradient);
            border-radius: 3px;
            width: 0;
            transition: width 1.2s ease;
        }

        .bar-fill.animate {
            animation: fillBar 1.2s ease forwards;
        }

        @keyframes fillBar {
            to { width: var(--fill); }
        }

        /* ============================================
           CERTIFICATIONS SECTION
        ============================================ */
        .certs-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
        }

        .cert-subsection {
            position: relative;
            padding: 1.3rem;
            border-radius: 14px;
            border: 1px solid var(--border-color);
            background: linear-gradient(180deg, rgba(47, 74, 145, 0.06), transparent 130%), var(--bg-secondary);
            overflow: visible;
        }

        .cert-subsection::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--accent-gradient);
            opacity: 0.8;
        }

        .cert-subsection + .cert-subsection {
            margin-top: 2.25rem;
        }

        .cert-subheader {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 0.9rem;
            margin-bottom: 1rem;
        }

        .cert-subtitle {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.95rem;
            letter-spacing: 0.4px;
            color: var(--text-primary);
            margin: 0;
        }

        .cert-badge {
            display: inline-flex;
            align-items: center;
            padding: 0.25rem 0.7rem;
            border-radius: 999px;
            border: 1px solid var(--border-color);
            background: rgba(47, 74, 145, 0.12);
            font-size: 0.74rem;
            font-weight: 500;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .cert-subsection .certs-grid {
            gap: 1rem;
        }

        .cert-subsection .cert-card {
            background: var(--bg-primary);
        }

        .cert-card {
            background: var(--bg-primary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 1.5rem;
            text-align: center;
            transition: all 0.3s ease;
            position: relative;
        }

        .cert-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 12px;
            opacity: 0;
            background: radial-gradient(circle at 50% 50%, 
                rgba(47, 74, 145, 0.1) 0%, transparent 50%);
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

        .cert-card:hover::before {
            opacity: 1;
        }

        .cert-card:hover {
            box-shadow: var(--card-shadow-hover), 0 0 30px rgba(47, 74, 145, 0.1);
            transform: translateY(-4px);
            border-color: var(--accent-primary);
        }

        .cert-icon {
            font-size: 2.5rem;
            margin-bottom: 1rem;
        }

        .cert-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 0.5rem;
        }

        .cert-issuer {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* ============================================
           CONTACT SECTION
        ============================================ */
        #contact {
            background: var(--bg-primary);
        }

        .contact-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 1.5rem;
            margin-bottom: 2rem;
        }

        .contact-card {
            display: flex;
            align-items: center;
            gap: 1rem;
            padding: 1.25rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            transition: all 0.3s ease;
            position: relative;
        }

        .contact-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            border-radius: 12px;
            opacity: 0;
            background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
                rgba(47, 74, 145, 0.1) 0%, transparent 50%);
            transition: opacity 0.3s ease;
            pointer-events: none;
        }

        .contact-card:hover::before {
            opacity: 1;
        }

        .contact-card:hover {
            border-color: var(--accent-primary);
            box-shadow: var(--card-shadow), 0 0 20px rgba(47, 74, 145, 0.1);
        }

        .contact-icon {
            font-size: 1.5rem;
        }

        .contact-icon svg {
            width: 1.5rem;
            height: 1.5rem;
            display: block;
        }

        .contact-info {
            flex: 1;
        }

        .contact-label {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 0.25rem;
        }

        .contact-value {
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .contact-value a {
            color: var(--accent-primary);
            text-decoration: none;
        }

        .contact-value a:hover {
            text-decoration: underline;
        }

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

        .contact-form {
            margin-bottom: 2rem;
            padding: 1.4rem;
            background: var(--bg-secondary);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            box-shadow: var(--card-shadow);
        }

        .contact-form-grid {
            display: grid;
            grid-template-columns: repeat(2, minmax(0, 1fr));
            gap: 1rem;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 0.45rem;
        }

        .form-field span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.2px;
        }

        .form-field input,
        .form-field select,
        .form-field textarea {
            width: 100%;
            padding: 0.72rem 0.85rem;
            border-radius: 8px;
            border: 1px solid var(--border-color);
            background: var(--bg-primary);
            color: var(--text-primary);
            font: inherit;
            font-size: 0.9rem;
            transition: border-color 0.2s ease, box-shadow 0.2s ease;
        }

        .form-field input::placeholder,
        .form-field textarea::placeholder {
            color: var(--text-muted);
        }

        .form-field input:focus,
        .form-field select:focus,
        .form-field textarea:focus {
            border-color: var(--accent-primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(47, 74, 145, 0.12);
        }

        .form-field.is-hidden {
            display: none;
        }

        .form-field textarea {
            resize: vertical;
            min-height: 130px;
        }

        .form-field-full {
            grid-column: 1 / -1;
        }

        .form-honeypot {
            position: absolute;
            left: -9999px;
            width: 1px;
            height: 1px;
            opacity: 0;
        }

        .contact-form-actions {
            margin-top: 1rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .form-status {
            font-size: 0.85rem;
            color: var(--text-secondary);
            min-height: 1.2rem;
        }

        .form-status.success {
            color: var(--success);
        }

        .form-status.error {
            color: #ef4444;
        }

        .social-link {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            background: var(--bg-tertiary);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            color: var(--text-primary);
            text-decoration: none;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all 0.2s ease;
            position: relative;
            overflow: hidden;
        }

        .social-link:hover {
            background: var(--accent-primary);
            border-color: var(--accent-primary);
            color: var(--on-accent-text);
        }

        /* ============================================
           FOOTER
        ============================================ */
        footer {
            padding: 2rem 0;
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
        }

        .footer-inner {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }

        .footer-inner p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .footer-inner span {
            color: var(--accent-primary);
        }

        /* ============================================
           BACK TO TOP BUTTON
        ============================================ */
        #back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 50px;
            height: 50px;
            background: var(--accent-gradient);
            border: none;
            border-radius: 50%;
            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;
            box-shadow: 0 4px 14px rgba(47, 74, 145, 0.35);
        }

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

        #back-to-top:hover {
            transform: translateY(-5px);
            box-shadow: 0 6px 20px rgba(47, 74, 145, 0.5);
        }

        #back-to-top svg {
            width: 24px;
            height: 24px;
            color: white;
        }

        /* ============================================
           REVEAL ANIMATIONS
        ============================================ */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        /* ============================================
           RESPONSIVE
        ============================================ */
        @media (max-width: 1024px) {
            .nav-container {
                padding: 0 1rem;
            }

            .logo {
                font-size: 1rem;
            }

            .nav-links {
                gap: 0.95rem;
            }

            .nav-links a {
                font-size: 0.83rem;
            }

            .download-btn {
                display: none;
            }
        }

        @media (max-width: 900px) {
            .about-layout {
                grid-template-columns: 1fr;
                gap: 2.5rem;
            }
            .logo {
                max-width: calc(100% - 100px);
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: 64px;
                left: 0;
                right: 0;
                background: var(--bg-primary);
                flex-direction: column;
                padding: 1.25rem 1.25rem 1.5rem;
                gap: 0.9rem;
                border-bottom: 1px solid var(--border-color);
                max-height: calc(100dvh - 64px);
                overflow-y: auto;
            }

            .nav-links.active {
                display: flex;
            }

            .burger {
                display: flex;
            }

            .theme-toggle {
                margin-left: auto;
                margin-right: 0.5rem;
                width: 36px;
                padding: 0;
                justify-content: center;
            }

            .theme-toggle-text {
                display: none;
            }

            .cert-subheader {
                flex-direction: column;
                align-items: flex-start;
            }

            .contact-form-grid {
                grid-template-columns: 1fr;
            }

            .form-field-full {
                grid-column: auto;
            }
        }

        @media (max-width: 768px) {
            #hero {
                min-height: auto;
                height: auto;
            }

            .scroll-down {
                display: none;
            }

            .parallax-shape {
                opacity: 0.05;
            }

            .hero-profile {
                margin-bottom: 1.5rem;
            }

            .hero-content {
                max-height: none;
                min-height: calc(100dvh - 64px);
                padding: 1.1rem 1.25rem 2rem;
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: flex-start;
                text-align: center;
            }

            .hero-badge {
                margin-bottom: 1rem;
            }

            .hero-subtitle {
                margin-bottom: 0.8rem;
            }

            .hero-desc {
                margin: 0 auto 1rem;
                font-size: 1rem;
                line-height: 1.65;
            }

            .hero-actions {
                width: 100%;
                justify-content: center;
                margin-bottom: 1rem;
            }

            .hero-actions .btn {
                width: min(100%, 280px);
            }

            .profile-container {
                width: 150px;
                height: 150px;
            }

            .profile-photo {
                width: 134px;
                height: 134px;
            }

            .hero-stats {
                gap: 2rem;
                margin-bottom: 0.25rem;
                justify-content: center;
            }

            .stat-num {
                font-size: 1.5rem;
            }

            .hero-stats {
                gap: 2rem;
            }

            .timeline {
                padding-left: 1.5rem;
            }

            .tl-dot {
                left: -1.5rem;
            }

            .tl-header {
                flex-direction: column;
            }

            .footer-inner {
                flex-direction: column;
                text-align: center;
            }

            #back-to-top {
                bottom: 20px;
                right: 20px;
                width: 45px;
                height: 45px;
            }
        }