/* --- IMPORTS & VARIABLES --- */
        @import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

        :root {
            --bg-primary: #05060d;
            --text-primary: #f4f5f7;
            --text-secondary: #b4b8c2;
            --text-muted: #777c88;

            /* Monochrome with faint tints */
            --tint-cool: #c3cfe3;
            --tint-warm: #d8cbbb;

            /* Text gradients */
            --gradient-primary: linear-gradient(120deg, #ffffff 0%, #d4d9e2 55%, #aeb6c4 100%);
            --gradient-accent: linear-gradient(120deg, #eef2f8 0%, #aab6c9 100%);
            --gradient-secondary: linear-gradient(120deg, #ffffff 0%, #bfc4cf 100%);
            --gradient-warm: linear-gradient(120deg, #f4efe8 0%, #cbbfae 100%);
            --gradient-bar: linear-gradient(90deg, #6d7482 0%, #c9cfdb 70%, #ffffff 100%);

            /* Liquid glass */
            --glass-fill: linear-gradient(135deg,
                rgba(255, 255, 255, 0.13) 0%,
                rgba(255, 255, 255, 0.035) 35%,
                rgba(255, 255, 255, 0.015) 65%,
                rgba(255, 255, 255, 0.08) 100%);
            --glass-blur: blur(22px) saturate(180%) brightness(1.08);
            --glass-border: rgba(255, 255, 255, 0.14);
            --glass-shadow:
                inset 0 1px 0 rgba(255, 255, 255, 0.45),
                inset 0 -1px 0 rgba(255, 255, 255, 0.08),
                inset 0 0 28px rgba(255, 255, 255, 0.05),
                0 24px 60px rgba(0, 0, 0, 0.38),
                0 2px 10px rgba(0, 0, 0, 0.25);

            /* Spacing & Sizing */
            --container-max: 1400px;
            --section-padding: 8rem 2rem;
            --border-radius: 28px;
            --transition: all 0.4s cubic-bezier(0.22, 0.8, 0.3, 1);

            /* Font */
            --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: var(--font-main);
            line-height: 1.6;
            overflow-x: hidden;
            position: relative;
            -webkit-font-smoothing: antialiased;
        }

        ::selection {
            background: rgba(255, 255, 255, 0.28);
        }

        /* --- ANIMATED BACKGROUND --- */
        .animated-bg {
            position: fixed;
            inset: 0;
            z-index: -1;
            overflow: hidden;
            background:
                radial-gradient(1200px 800px at 50% -10%, #1a1c22 0%, transparent 60%),
                var(--bg-primary);
        }

        /* slowly rotating light sweep */
        .bg-conic {
            position: absolute;
            width: 140vmax;
            height: 140vmax;
            top: 50%;
            left: 50%;
            margin: -70vmax 0 0 -70vmax;
            background: conic-gradient(from 0deg,
                transparent 0%,
                rgba(255, 255, 255, 0.07) 12%,
                transparent 30%,
                rgba(170, 190, 220, 0.06) 48%,
                transparent 62%,
                rgba(220, 205, 190, 0.06) 80%,
                transparent 100%);
            animation: spin 90s linear infinite;
            will-change: transform;
        }

        /* drifting colour fields: what the glass refracts */
        .blob {
            position: absolute;
            border-radius: 50%;
            mix-blend-mode: screen;
            will-change: transform;
        }

        .blob-1 {
            width: 62vmax;
            height: 62vmax;
            top: -22vmax;
            left: -16vmax;
            background: radial-gradient(circle at 35% 35%, rgba(150, 160, 180, 0.42), rgba(150, 160, 180, 0) 62%);
            animation: drift1 28s ease-in-out infinite alternate;
        }

        .blob-2 {
            width: 55vmax;
            height: 55vmax;
            top: 8vh;
            right: -22vmax;
            background: radial-gradient(circle at 40% 40%, rgba(115, 130, 155, 0.36), rgba(115, 130, 155, 0) 62%);
            animation: drift2 34s ease-in-out infinite alternate;
        }

        .blob-3 {
            width: 58vmax;
            height: 58vmax;
            bottom: -28vmax;
            left: 12vw;
            background: radial-gradient(circle at 50% 50%, rgba(175, 160, 145, 0.26), rgba(175, 160, 145, 0) 62%);
            animation: drift3 40s ease-in-out infinite alternate;
        }

        .blob-4 {
            width: 34vmax;
            height: 34vmax;
            top: 42vh;
            left: 42vw;
            background: radial-gradient(circle at 50% 50%, rgba(235, 238, 245, 0.14), rgba(235, 238, 245, 0) 62%);
            animation: drift4 46s ease-in-out infinite alternate;
        }

        /* moving line grid + dot field */
        .bg-pattern {
            position: absolute;
            inset: 0;
            overflow: hidden;
            -webkit-mask-image: radial-gradient(ellipse at 50% 40%, #000 15%, transparent 78%);
            mask-image: radial-gradient(ellipse at 50% 40%, #000 15%, transparent 78%);
        }

        .bg-grid {
            position: absolute;
            inset: -64px;
            background-image:
                linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px),
                linear-gradient(90deg, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
            background-size: 64px 64px;
            animation: gridMove 20s linear infinite;
        }

        .bg-dots {
            position: absolute;
            inset: -28px;
            background-image: radial-gradient(rgba(255, 255, 255, 0.22) 1px, transparent 1.6px);
            background-size: 28px 28px;
            animation: dotsMove 14s linear infinite;
            opacity: 0.55;
        }

        .bg-noise {
            position: absolute;
            inset: 0;
            opacity: 0.07;
            mix-blend-mode: overlay;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
        }

        .bg-spot {
            position: absolute;
            top: 0;
            left: 0;
            width: 640px;
            height: 640px;
            margin: -320px 0 0 -320px;
            background: radial-gradient(circle, rgba(220, 226, 238, 0.12), transparent 65%);
            transform: translate3d(var(--sx, 50vw), var(--sy, 30vh), 0);
            transition: transform 0.35s ease-out;
            will-change: transform;
        }

        @keyframes spin { to { transform: rotate(360deg); } }
        @keyframes drift1 { to { transform: translate(18vw, 14vh) scale(1.15); } }
        @keyframes drift2 { to { transform: translate(-20vw, 18vh) scale(0.9); } }
        @keyframes drift3 { to { transform: translate(16vw, -22vh) scale(1.2); } }
        @keyframes drift4 { to { transform: translate(-26vw, -12vh) scale(1.3); } }
        @keyframes gridMove { to { transform: translate(64px, 64px); } }
        @keyframes dotsMove { to { transform: translate(-28px, -28px); } }

        /* --- LIQUID GLASS COMPONENTS --- */
        .glass-container {
            position: relative;
            isolation: isolate;
            background: var(--glass-fill);
            -webkit-backdrop-filter: var(--glass-blur);
            backdrop-filter: var(--glass-blur);
            border-radius: var(--border-radius);
            box-shadow: var(--glass-shadow);
            transition: transform 0.5s cubic-bezier(0.22, 0.8, 0.3, 1), box-shadow 0.4s ease;
        }

        /* gradient rim light: bright on top-left and bottom-right edges */
        .glass-container::before {
            content: '';
            position: absolute;
            inset: 0;
            padding: 1px;
            border-radius: inherit;
            background: linear-gradient(135deg,
                rgba(255, 255, 255, 0.75) 0%,
                rgba(255, 255, 255, 0.08) 28%,
                rgba(255, 255, 255, 0.04) 62%,
                rgba(255, 255, 255, 0.4) 100%);
            -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
            -webkit-mask-composite: xor;
            mask: linear-gradient(#000 0 0) content-box exclude, linear-gradient(#000 0 0);
            pointer-events: none;
        }

        /* specular highlight that follows the pointer */
        .glass-container::after {
            content: '';
            position: absolute;
            inset: 0;
            z-index: -1;
            border-radius: inherit;
            background: radial-gradient(420px circle at var(--mx, 30%) var(--my, 0%), rgba(255, 255, 255, 0.17), transparent 45%);
            opacity: 0;
            transition: opacity 0.4s ease;
            pointer-events: none;
        }

        .glass-container:hover::after {
            opacity: 1;
        }

        @supports not ((backdrop-filter: blur(1px)) or (-webkit-backdrop-filter: blur(1px))) {
            .glass-container {
                background: rgba(24, 26, 48, 0.82);
            }
        }

        /* --- SCROLL REVEAL (classes added from JS) --- */
        .reveal {
            opacity: 0;
            transform: translateY(40px) scale(0.98);
            transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.22, 0.8, 0.3, 1), box-shadow 0.4s ease;
        }

        .reveal.animate {
            opacity: 1;
            transform: none;
        }

        .glass-container.reveal.animate:hover {
            transform: translateY(-4px);
        }

        /* --- TYPOGRAPHY --- */
        .text-gradient {
            background: linear-gradient(100deg, #ffffff 0%, #b9c4d8 30%, #ffffff 50%, #d9cfc2 75%, #ffffff 100%);
            background-size: 250% 100%;
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
            animation: sheen 9s linear infinite;
        }

        .text-white {
            color: var(--text-primary);
        }

        @keyframes sheen {
            to { background-position: -250% 0; }
        }

        /* --- HERO SECTION --- */
        .hero {
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            padding: 2rem;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            z-index: 10;
        }

        /* floating liquid crystals */
        .crystal {
            position: absolute;
            z-index: 1;
            pointer-events: none;
            aspect-ratio: 1;
            background: linear-gradient(145deg,
                rgba(255, 255, 255, 0.26) 0%,
                rgba(255, 255, 255, 0.03) 45%,
                rgba(255, 255, 255, 0.12) 100%);
            -webkit-backdrop-filter: blur(10px) saturate(200%) brightness(1.12);
            backdrop-filter: blur(10px) saturate(200%) brightness(1.12);
            box-shadow:
                inset 0 3px 2px rgba(255, 255, 255, 0.6),
                inset 0 -14px 34px rgba(175, 190, 215, 0.22),
                inset 0 0 44px rgba(255, 255, 255, 0.08),
                0 30px 70px rgba(0, 0, 0, 0.4);
            animation: morph 16s ease-in-out infinite, bob 10s ease-in-out infinite;
            will-change: transform, border-radius;
        }

        .crystal-1 {
            width: clamp(150px, 22vw, 330px);
            top: 13%;
            left: 8%;
        }

        .crystal-2 {
            width: clamp(100px, 14vw, 210px);
            bottom: 15%;
            right: 10%;
            animation-delay: -5s, -3s;
        }

        .crystal-3 {
            width: clamp(50px, 6vw, 90px);
            top: 22%;
            right: 20%;
            animation-delay: -9s, -6s;
        }

        @keyframes morph {
            0%, 100% { border-radius: 62% 38% 46% 54% / 55% 42% 58% 45%; }
            33%      { border-radius: 38% 62% 58% 42% / 44% 60% 40% 56%; }
            66%      { border-radius: 52% 48% 36% 64% / 62% 38% 62% 38%; }
        }

        @keyframes bob {
            0%, 100% { transform: translateY(0) rotate(0deg); }
            50%      { transform: translateY(-26px) rotate(14deg); }
        }

        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 0.7rem;
            color: var(--text-secondary);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 3px;
            font-size: 0.85rem;
            margin-bottom: 2rem;
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            border: 1px solid var(--glass-border);
            background: var(--glass-fill);
            -webkit-backdrop-filter: var(--glass-blur);
            backdrop-filter: var(--glass-blur);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 30px rgba(0, 0, 0, 0.25);
        }

        .hero-tagline::before {
            content: '';
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: #eef2f8;
            box-shadow: 0 0 12px #eef2f8;
            animation: pulse 2.4s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50%      { opacity: 0.4; transform: scale(0.7); }
        }

        .hero-title {
            font-size: clamp(3rem, 8vw, 6.5rem);
            font-weight: 800;
            line-height: 1.05;
            margin-bottom: 2rem;
            letter-spacing: -0.035em;
        }

        .hero-description {
            font-size: 1.25rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 2.5rem;
            font-weight: 400;
        }

        .hero-actions {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-block;
            padding: 0.95rem 2rem;
            border-radius: 50px;
            border: 1px solid var(--glass-border);
            background: var(--glass-fill);
            -webkit-backdrop-filter: var(--glass-blur);
            backdrop-filter: var(--glass-blur);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 10px 30px rgba(0, 0, 0, 0.25);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 1rem;
            text-decoration: none;
            transition: var(--transition);
        }

        .btn:hover {
            transform: translateY(-3px);
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.07));
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 16px 40px rgba(200, 212, 235, 0.2);
        }

        .btn-primary {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(185, 198, 220, 0.08));
            border-color: rgba(255, 255, 255, 0.28);
        }

        .scroll-indicator {
            position: absolute;
            bottom: 2.5rem;
            left: 50%;
            transform: translateX(-50%);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.9rem;
            opacity: 0.75;
            animation: bounce 2.4s infinite;
        }

        /* glass mouse outline with a travelling dot */
        .scroll-arrow {
            width: 24px;
            height: 38px;
            border-radius: 14px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            background: var(--glass-fill);
            position: relative;
        }

        .scroll-arrow::after {
            content: '';
            position: absolute;
            top: 7px;
            left: 50%;
            width: 4px;
            height: 8px;
            margin-left: -2px;
            border-radius: 4px;
            background: #eef2f8;
            box-shadow: 0 0 8px #eef2f8;
            animation: wheel 1.8s ease-in-out infinite;
        }

        @keyframes wheel {
            0%   { opacity: 0; transform: translateY(0); }
            30%  { opacity: 1; }
            100% { opacity: 0; transform: translateY(14px); }
        }

        .scroll-indicator span {
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--text-secondary);
        }

        @keyframes bounce {
            0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
            40% { transform: translateX(-50%) translateY(-10px); }
            60% { transform: translateX(-50%) translateY(-5px); }
        }

        /* --- SECTION HEADINGS --- */
        .section-title {
            font-size: clamp(2rem, 5vw, 3.2rem);
            font-weight: 800;
            letter-spacing: -0.025em;
            margin-bottom: 0.75rem;
            background: var(--gradient-primary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            transition: all 0.5s ease;
            min-height: 3.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1.05rem;
            font-weight: 400;
            letter-spacing: 0.04em;
        }

        /* --- SKILLS SECTION --- */
        .skills-section {
            padding: var(--section-padding);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            position: relative;
            z-index: 10;
        }

        .skills-container {
            width: 100%;
            max-width: 1000px;
            padding: 4rem;
            display: flex;
            flex-direction: column;
            gap: 3rem;
        }

        .skills-header {
            text-align: center;
        }

        .skills-content {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            min-height: 350px;
            transition: all 0.3s ease;
        }

        .skill-item {
            opacity: 1;
            transform: translateY(0);
            animation: slideUpSkill 0.6s forwards;
        }

        .skill-info {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 0.8rem;
            font-weight: 500;
            font-size: 1.05rem;
        }

        .skill-info span:last-child {
            color: var(--text-secondary);
            font-variant-numeric: tabular-nums;
        }

        .skill-bar-bg {
            width: 100%;
            height: 12px;
            background: rgba(255, 255, 255, 0.07);
            border-radius: 20px;
            overflow: hidden;
            position: relative;
            box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.35), 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .skill-bar-fill {
            height: 100%;
            background: var(--gradient-bar);
            width: 0%;
            border-radius: 20px;
            transition: width 1.5s cubic-bezier(0.22, 0.8, 0.3, 1);
            position: relative;
            box-shadow: 0 0 14px rgba(200, 212, 235, 0.2);
        }

        .skill-bar-fill::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
            animation: shimmer 2.4s infinite;
        }

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

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

        /* --- SKILLS TABS (5 buttons in 3-2 layout) --- */
        .skills-tabs-container {
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }

        .skills-tabs {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            grid-template-rows: 1fr 1fr;
            gap: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .skills-tabs .tab-btn:nth-child(4) {
            grid-column: 1 / 3;
        }

        .skills-tabs .tab-btn:nth-child(5) {
            grid-column: 3 / 4;
        }

        .tab-btn {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.09), rgba(255, 255, 255, 0.02));
            border: 1px solid var(--glass-border);
            color: var(--text-secondary);
            padding: 0.8rem 1rem;
            border-radius: 18px;
            cursor: pointer;
            font-family: inherit;
            font-weight: 500;
            font-size: 0.9rem;
            transition: var(--transition);
            text-align: center;
            min-height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25);
            -webkit-backdrop-filter: blur(10px);
            backdrop-filter: blur(10px);
        }

        .tab-btn:hover {
            color: var(--text-primary);
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.18), rgba(255, 255, 255, 0.05));
            transform: translateY(-3px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.45), 0 12px 28px rgba(0, 0, 0, 0.3);
        }

        .tab-btn.active {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(185, 198, 220, 0.08));
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.35);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 12px 32px rgba(200, 212, 235, 0.2);
            transform: translateY(-2px);
        }

        /* --- WORK SECTIONS --- */
        .work-section {
            position: relative;
            padding: var(--section-padding);
            background: transparent;
        }

        .work-content-wrapper {
            position: relative;
            z-index: 10;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 3rem;
        }

        .work-image,
        .experience-image {
            padding: 0.6rem;
            border-radius: 32px;
            border: 1px solid var(--glass-border);
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.02));
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.4), 0 24px 60px rgba(0, 0, 0, 0.4);
            overflow: hidden;
        }

        .work-image {
            flex: 1;
            max-width: 500px;
        }

        .work-image img {
            display: block;
            width: 100%;
            height: 300px;
            object-fit: cover;
            border-radius: 24px;
            transition: transform 0.8s cubic-bezier(0.22, 0.8, 0.3, 1);
        }

        .work-content-wrapper:hover .work-image img,
        .experience-item:hover .experience-image img {
            transform: scale(1.05);
        }

        .work-card {
            flex: 1;
            max-width: 600px;
            padding: 3rem;
        }

        .work-section:nth-child(even) .work-content-wrapper {
            flex-direction: row-reverse;
        }

        .tags {
            display: flex;
            gap: 0.6rem;
            margin-bottom: 1.75rem;
            flex-wrap: wrap;
        }

        .tag {
            font-size: 0.78rem;
            padding: 0.45rem 1rem;
            border-radius: 50px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.04));
            color: var(--text-primary);
            border: 1px solid var(--glass-border);
            font-weight: 500;
            letter-spacing: 0.02em;
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.3);
        }

        .work-title {
            font-size: clamp(1.5rem, 4vw, 2.4rem);
            font-weight: 700;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1.25rem;
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .work-description {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 1.75rem;
        }

        .tech-stack {
            font-size: 0.92rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        /* --- WORK EXPERIENCE SECTION --- */
        .experience-section {
            position: relative;
            padding: var(--section-padding);
            background: transparent;
        }

        .experience-header,
        .education-header,
        .publications-header {
            text-align: center;
            margin-bottom: 4rem;
        }

        .experience-item {
            position: relative;
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto 6rem auto;
            display: flex;
            flex-direction: row;
            align-items: center;
            gap: 3rem;
        }

        .experience-image {
            flex: 0 0 250px;
            padding: 0.5rem;
            border-radius: 30px;
        }

        .experience-image img {
            display: block;
            width: 234px;
            height: 234px;
            object-fit: cover;
            border-radius: 24px;
            transition: transform 0.8s cubic-bezier(0.22, 0.8, 0.3, 1);
        }

        .experience-content {
            flex: 1;
            padding: 2.5rem;
        }

        .experience-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .company-name {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 0.5rem;
        }

        .job-title {
            font-size: 1.8rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        /* --- EDUCATION SECTION --- */
        .education-section {
            position: relative;
            padding: var(--section-padding);
            background: transparent;
        }

        .education-highlight {
            font-size: 1.3rem;
            background: var(--gradient-secondary);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            font-weight: 600;
        }

        .education-container {
            max-width: 800px;
            margin: 0 auto;
        }

        .education-item {
            display: flex;
            align-items: center;
            gap: 2rem;
            padding: 1.75rem 2rem;
            margin-bottom: 1.5rem;
        }

        .education-logo {
            flex: 0 0 80px;
        }

        .education-logo img {
            display: block;
            width: 80px;
            height: 80px;
            object-fit: contain;
            border-radius: 18px;
            background: rgba(255, 255, 255, 0.92);
            padding: 6px;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
        }

        .education-info {
            flex: 1;
        }

        .university-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 0.4rem;
        }

        .degree-info {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 0.3rem;
        }

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

        /* --- PUBLICATIONS SECTION --- */
        .publications-section {
            position: relative;
            padding: var(--section-padding);
            background: transparent;
        }

        .publications-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .publication-item {
            padding: 2.5rem;
            margin-bottom: 2rem;
        }

        .publication-title {
            font-size: 1.4rem;
            font-weight: 700;
            line-height: 1.35;
            background: var(--gradient-warm);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 1rem;
        }

        .publication-authors {
            font-size: 1rem;
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }

        .publication-venue {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            font-style: italic;
        }

        .publication-link {
            display: inline-block;
            padding: 0.75rem 1.6rem;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(185, 198, 220, 0.08));
            border: 1px solid rgba(255, 255, 255, 0.28);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.5);
            color: white;
            text-decoration: none;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .publication-link:hover {
            transform: translateY(-2px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.6), 0 12px 30px rgba(200, 212, 235, 0.2);
        }

        /* --- FLOATING EMAIL BUTTON --- */
        .fab-container {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 1rem;
            transition: var(--transition);
        }

        .fab-btn {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(185, 198, 220, 0.08));
            -webkit-backdrop-filter: var(--glass-blur);
            backdrop-filter: var(--glass-blur);
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: 50%;
            width: 60px;
            height: 60px;
            color: white;
            font-weight: 600;
            cursor: pointer;
            box-shadow: inset 0 2px 1px rgba(255, 255, 255, 0.55), 0 12px 34px rgba(200, 212, 235, 0.2);
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
        }

        .fab-btn:hover {
            transform: translateY(-3px) scale(1.05);
            box-shadow: inset 0 2px 1px rgba(255, 255, 255, 0.7), 0 18px 44px rgba(200, 212, 235, 0.2);
        }

        .contact-popup {
            --border-radius: 22px;
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            gap: 1rem;
            opacity: 0;
            transform: translateY(20px) scale(0.9);
            pointer-events: none;
            transition: var(--transition);
            color: var(--text-primary);
            min-width: 300px;
            position: absolute;
            bottom: 76px;
            right: 0;
        }

        .contact-popup.active {
            opacity: 1;
            transform: translateY(0) scale(1);
            pointer-events: auto;
        }

        .email-text {
            font-weight: 500;
            font-size: 0.95rem;
        }

        .copy-btn {
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid var(--glass-border);
            color: var(--text-primary);
            padding: 0.5rem 1rem;
            border-radius: 12px;
            cursor: pointer;
            font-family: inherit;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }

        .copy-btn:hover {
            background: rgba(255, 255, 255, 0.24);
            transform: translateY(-1px);
        }

        /* --- FOOTER --- */
        footer {
            text-align: center;
            padding: 2rem;
            max-width: 900px;
            margin: 4rem auto 2rem;
            color: var(--text-muted);
            font-size: 0.9rem;
            --border-radius: 50px;
        }

        /* --- REACH OUT SECTION --- */
        .reach-out-section {
            padding: var(--section-padding);
            text-align: center;
        }

        .reach-out-container {
            max-width: 600px;
            margin: 0 auto;
        }

        .contact-card {
            padding: 3rem;
            margin-top: 2rem;
        }

        .email-display {
            margin-bottom: 2rem;
        }

        .email-address {
            font-size: 1.25rem;
            font-weight: 500;
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .contact-buttons {
            display: flex;
            gap: 1rem;
            justify-content: center;
            flex-wrap: wrap;
        }

        .contact-btn {
            padding: 1rem 2rem;
            border: 1px solid var(--glass-border);
            border-radius: 50px;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.14), rgba(255, 255, 255, 0.03));
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.35);
            color: var(--text-primary);
            font-family: inherit;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            font-size: 1rem;
        }

        .contact-btn:hover {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.26), rgba(185, 198, 220, 0.08));
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.55), 0 12px 30px rgba(200, 212, 235, 0.2);
        }

        /* --- RESPONSIVE DESIGN --- */
        @media (max-width: 768px) {
            :root {
                --section-padding: 5rem 1.25rem;
                --border-radius: 24px;
            }

            .skills-container {
                padding: 2rem 1.5rem;
            }

            .skills-tabs {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: 1fr 1fr 1fr;
            }

            .skills-tabs .tab-btn:nth-child(4) {
                grid-column: 1;
            }

            .skills-tabs .tab-btn:nth-child(5) {
                grid-column: 2;
            }

            .work-content-wrapper,
            .experience-item {
                flex-direction: column !important;
                text-align: center;
            }

            .tags {
                justify-content: center;
            }

            .work-image,
            .experience-image {
                max-width: none;
                width: 100%;
                flex: none;
            }

            .experience-image img {
                width: 100%;
            }

            .work-card,
            .experience-content {
                max-width: none;
                width: 100%;
                padding: 2rem;
            }

            .education-item {
                flex-direction: column;
                text-align: center;
            }

            .education-logo {
                flex: none;
            }

            .crystal-1 {
                top: 6%;
                left: -4%;
                opacity: 0.8;
            }

            .crystal-2 {
                bottom: 14%;
                right: -4%;
            }

            .crystal-3 {
                display: none;
            }

            .contact-buttons {
                flex-direction: column;
                align-items: center;
            }

            .contact-btn {
                width: 100%;
                max-width: 250px;
            }

            .contact-popup {
                min-width: 0;
                width: calc(100vw - 4rem);
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                animation-duration: 0.001ms !important;
                animation-iteration-count: 1 !important;
                transition-duration: 0.001ms !important;
            }

            html {
                scroll-behavior: auto;
            }
        }