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

        /* LIGHT MODE (default) */
        :root {
            --bg: #f8fafb;
            --surface: #ffffff;
            --surface2: #f1f5f9;
            --surface3: #e8ecf1;
            --border: #e2e8f0;
            --border2: #cbd5e1;
            --text: #0f172a;
            --text2: #475569;
            --text3: #94a3b8;
            --accent: #059669;
            --accent2: #10b981;
            --accent-dim: rgba(5, 150, 105, 0.08);
            --accent-glow: rgba(5, 150, 105, 0.15);
            --purple: #7c3aed;
            --blue: #2563eb;
            --orange: #d97706;
            --pink: #db2777;
            --nav-bg: rgba(248, 250, 251, 0.85);
            --grid-color: rgba(5, 150, 105, 0.04);
            --glow-opacity: 0.05;
            --btn-text: #ffffff;
            --audio-filter: none;
        }

        /* DARK MODE */
        [data-theme="dark"] {
            --bg: #06080d;
            --surface: #0d1117;
            --surface2: #151b25;
            --surface3: #1c2333;
            --border: #252d3a;
            --border2: #2d3748;
            --text: #e2e8f0;
            --text2: #8892a8;
            --text3: #5a6478;
            --accent: #10b981;
            --accent2: #34d399;
            --accent-dim: rgba(16, 185, 129, 0.12);
            --accent-glow: rgba(16, 185, 129, 0.25);
            --purple: #8b5cf6;
            --blue: #3b82f6;
            --orange: #f59e0b;
            --pink: #ec4899;
            --nav-bg: rgba(6, 8, 13, 0.8);
            --grid-color: rgba(16, 185, 129, 0.03);
            --glow-opacity: 0.07;
            --btn-text: #06080d;
            --audio-filter: invert(1) hue-rotate(180deg) brightness(0.85);
        }

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            overflow-x: hidden;
        }

        a { color: var(--accent2); text-decoration: none; }
        a:hover { color: var(--accent); }

        /* ANIMATED BACKGROUND GRID */
        .bg-grid {
            position: fixed;
            inset: 0;
            background-image:
                linear-gradient(var(--grid-color) 1px, transparent 1px),
                linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
            background-size: 60px 60px;
            pointer-events: none;
            z-index: 0;
        }
        .bg-glow {
            position: fixed;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            filter: blur(120px);
            opacity: var(--glow-opacity);
            pointer-events: none;
            z-index: 0;
        }
        .bg-glow-1 { background: var(--accent); top: -200px; left: -100px; }
        .bg-glow-2 { background: var(--purple); bottom: -200px; right: -100px; }

        /* NAV */
        nav {
            position: sticky;
            top: 0;
            z-index: 100;
            backdrop-filter: blur(20px);
            background: var(--nav-bg);
            border-bottom: 1px solid var(--border);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 32px;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 var(--accent-glow); }
            50% { opacity: 0.7; box-shadow: 0 0 0 6px transparent; }
        }
        .nav-links { display: flex; gap: 28px; list-style: none; align-items: center; }
        .nav-links a {
            color: var(--text2);
            font-size: 0.88rem;
            font-weight: 500;
            transition: color 0.2s;
            position: relative;
        }
        .nav-links a:hover { color: var(--text); }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.2s;
        }
        .nav-links a:hover::after { width: 100%; }
        .nav-badge {
            font-size: 0.65rem;
            background: var(--accent-dim);
            color: var(--accent);
            padding: 2px 8px;
            border-radius: 20px;
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }
        .hamburger { display: none; background: none; border: none; color: var(--text); font-size: 1.5rem; cursor: pointer; }
        .theme-toggle {
            background: var(--surface2);
            border: 1px solid var(--border);
            color: var(--text2);
            width: 36px;
            height: 36px;
            border-radius: 8px;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.2s;
        }
        .theme-toggle:hover { border-color: var(--accent); color: var(--accent); }

        /* HERO */
        .hero {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 64px 24px 24px;
            max-width: 820px;
            margin: 0 auto;
        }
        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: var(--accent-dim);
            border: 1px solid rgba(16, 185, 129, 0.2);
            border-radius: 100px;
            font-size: 0.8rem;
            color: var(--accent2);
            font-weight: 600;
            margin-bottom: 24px;
        }
        .hero-tag-dot {
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 800;
            letter-spacing: -2px;
            margin-bottom: 16px;
            line-height: 1.1;
        }
        .hero h1 .gradient {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 40%, var(--blue) 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: var(--text2);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            margin-bottom: 10px;
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
        }
        .hero-stat-label {
            font-size: 0.75rem;
            color: var(--text3);
            text-transform: uppercase;
            letter-spacing: 1px;
            font-weight: 600;
        }

        /* TOOL CARD */
        .tool-section {
            position: relative;
            z-index: 1;
            max-width: 800px;
            margin: 32px auto;
            padding: 0 24px;
        }
        .tool-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
            box-shadow: 0 4px 60px rgba(0,0,0,0.4), 0 0 0 1px var(--border);
        }
        .tool-header {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 14px 20px;
            border-bottom: 1px solid var(--border);
            background: var(--surface2);
        }
        .tool-header-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
        }
        .tool-header-dot.r { background: #ff5f57; }
        .tool-header-dot.y { background: #ffbd2e; }
        .tool-header-dot.g { background: #28c840; }
        .tool-header-title {
            flex: 1;
            text-align: center;
            font-size: 0.78rem;
            color: var(--text3);
            font-weight: 500;
        }
        .tool-card textarea {
            width: 100%;
            min-height: 170px;
            padding: 20px 24px;
            background: transparent;
            border: none;
            color: var(--text);
            font-size: 0.95rem;
            font-family: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
            resize: vertical;
            outline: none;
            line-height: 1.8;
        }
        .tool-card textarea::placeholder { color: var(--text3); }
        .char-count {
            text-align: right;
            padding: 0 24px 10px;
            font-size: 0.75rem;
            color: var(--text3);
            font-family: monospace;
        }
        .tool-controls {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 10px;
            padding: 14px 20px;
            border-top: 1px solid var(--border);
            background: var(--surface2);
        }
        .control-group {
            display: flex;
            flex-direction: column;
            gap: 5px;
        }
        .control-group label {
            font-size: 0.68rem;
            color: var(--text3);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            font-weight: 700;
        }
        .control-group select {
            padding: 9px 10px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text);
            font-size: 0.82rem;
            cursor: pointer;
            outline: none;
            transition: border-color 0.2s;
        }
        .control-group select:focus { border-color: var(--accent); }
        .control-group select:hover { border-color: var(--border2); }

        .tool-actions {
            padding: 14px 20px;
            border-top: 1px solid var(--border);
            display: flex;
            gap: 10px;
        }
        .btn-generate {
            flex: 1;
            padding: 14px 24px;
            background: var(--accent);
            border: none;
            border-radius: 10px;
            color: var(--btn-text);
            font-size: 0.92rem;
            font-weight: 800;
            cursor: pointer;
            transition: all 0.2s;
            letter-spacing: 0.2px;
        }
        .btn-generate:hover {
            background: var(--accent2);
            box-shadow: 0 0 30px var(--accent-glow);
            transform: translateY(-1px);
        }
        .btn-generate:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }
        .btn-generate.loading { position: relative; pointer-events: none; display: flex; align-items: center; justify-content: center; gap: 10px; }
        @keyframes spin { to { transform: rotate(360deg); } }

        /* AUDIO RESULT */
        .audio-result {
            display: none;
            padding: 16px 20px;
            border-top: 1px solid var(--border);
            background: var(--surface2);
        }
        .audio-result.visible { display: block; }
        .audio-player-wrapper {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .audio-player-wrapper audio {
            flex: 1;
            height: 40px;
            border-radius: 8px;
            filter: var(--audio-filter);
        }
        .btn-download {
            padding: 10px 18px;
            background: var(--accent);
            border: none;
            border-radius: 8px;
            color: var(--btn-text);
            font-weight: 800;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .btn-download:hover { background: var(--accent2); }
        .btn-srt {
            padding: 10px 14px;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text2);
            font-weight: 700;
            font-size: 0.8rem;
            cursor: pointer;
            transition: all 0.2s;
            white-space: nowrap;
        }
        .btn-srt:hover { border-color: var(--accent); color: var(--accent); }

        /* SECTION TITLES */
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            margin-bottom: 12px;
        }
        .section-tag.green { background: var(--accent-dim); color: var(--accent); }
        .section-tag.purple { background: rgba(139,92,246,0.12); color: var(--purple); }
        .section-tag.blue { background: rgba(59,130,246,0.12); color: var(--blue); }
        .section-tag.orange { background: rgba(245,158,11,0.12); color: var(--orange); }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 12px;
            line-height: 1.15;
        }
        .section-sub {
            color: var(--text2);
            font-size: 1rem;
            max-width: 500px;
            line-height: 1.6;
        }

        /* BENTO FEATURES GRID */
        .features {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .features-header { text-align: center; margin-bottom: 48px; }
        .features-header .section-sub { margin: 0 auto; }
        .bento {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: auto auto;
            gap: 16px;
        }
        .bento-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 28px 24px;
            transition: all 0.3s;
            position: relative;
            overflow: hidden;
        }
        .bento-card:hover {
            border-color: var(--border2);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0,0,0,0.3);
        }
        .bento-card.wide { grid-column: span 2; }
        .bento-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .bento-icon.green { background: var(--accent-dim); }
        .bento-icon.purple { background: rgba(139,92,246,0.12); }
        .bento-icon.blue { background: rgba(59,130,246,0.12); }
        .bento-icon.orange { background: rgba(245,158,11,0.12); }
        .bento-icon.pink { background: rgba(236,72,153,0.12); }
        .bento-card h3 { font-size: 1rem; margin-bottom: 8px; font-weight: 700; }
        .bento-card p { color: var(--text2); font-size: 0.88rem; line-height: 1.55; }

        /* WAVEFORM DECORATION */
        .bento-card .wave-bg {
            position: absolute;
            bottom: 0;
            right: 0;
            width: 160px;
            height: 60px;
            opacity: 0.04;
        }

        /* HOW IT WORKS */
        .how-section {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .how-header { text-align: center; margin-bottom: 48px; }
        .how-header .section-sub { margin: 0 auto; }
        .steps-track {
            position: relative;
            display: flex;
            gap: 24px;
        }
        .steps-track::before {
            content: '';
            position: absolute;
            top: 32px;
            left: 60px;
            right: 60px;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--border), var(--accent));
            opacity: 0.3;
        }
        .step-card {
            flex: 1;
            text-align: center;
            position: relative;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            border: 2px solid var(--border);
            background: var(--surface);
            color: var(--accent);
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            position: relative;
            z-index: 2;
            transition: all 0.3s;
        }
        .step-card:hover .step-num {
            border-color: var(--accent);
            box-shadow: 0 0 20px var(--accent-glow);
        }
        .step-card h3 { font-size: 1rem; margin-bottom: 6px; font-weight: 700; }
        .step-card p { color: var(--text2); font-size: 0.85rem; line-height: 1.5; }

        /* LANGUAGES */
        .languages {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .languages-header { text-align: center; margin-bottom: 40px; }
        .languages-header .section-sub { margin: 0 auto; }
        .lang-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
            gap: 10px;
        }
        .lang-card {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 13px 16px;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 10px;
            transition: all 0.2s;
            color: var(--text);
            font-size: 0.88rem;
            font-weight: 500;
        }
        .lang-card:hover {
            border-color: var(--accent);
            background: var(--accent-dim);
            color: var(--accent2);
            transform: translateY(-2px);
        }
        .lang-flag { width: 28px; height: 20px; border-radius: 3px; object-fit: cover; flex-shrink: 0; }

        /* FAQ */
        .faq {
            position: relative;
            z-index: 1;
            max-width: 780px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .faq-header { text-align: center; margin-bottom: 40px; }
        .faq-header .section-sub { margin: 0 auto; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: 10px;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--surface);
            transition: border-color 0.2s;
        }
        .faq-item:hover { border-color: var(--border2); }
        .faq-question {
            padding: 18px 20px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 0.92rem;
            transition: color 0.2s;
        }
        .faq-question:hover { color: var(--accent2); }
        .faq-arrow {
            transition: transform 0.3s;
            font-size: 0.7rem;
            color: var(--text3);
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 6px;
            background: var(--surface2);
            flex-shrink: 0;
        }
        .faq-item.open .faq-arrow { transform: rotate(180deg); background: var(--accent-dim); color: var(--accent); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
        }
        .faq-answer-inner {
            padding: 0 20px 18px;
            color: var(--text2);
            font-size: 0.88rem;
            line-height: 1.65;
        }

        /* RICH CONTENT SECTIONS */
        .content-section {
            position: relative;
            z-index: 1;
            max-width: 860px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .content-section .section-header { text-align: center; margin-bottom: 40px; }
        .content-section .section-header .section-sub { margin: 0 auto; }
        .content-body { font-size: 0.92rem; line-height: 1.8; color: var(--text2); }
        .content-body p { margin-bottom: 16px; }
        .content-body h3 { color: var(--text); font-size: 1.1rem; margin: 28px 0 10px; font-weight: 700; }
        .content-body strong { color: var(--text); }
        .content-body ul { margin: 12px 0 16px 20px; }
        .content-body li { margin-bottom: 8px; }

        /* USE CASES GRID */
        .use-cases-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
            margin-top: 32px;
        }
        .use-case-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
            transition: all 0.2s;
        }
        .use-case-card:hover { border-color: var(--border2); transform: translateY(-2px); }
        .use-case-card h4 { font-size: 0.95rem; margin-bottom: 8px; color: var(--text); display: flex; align-items: center; gap: 8px; }
        .use-case-card p { color: var(--text2); font-size: 0.85rem; line-height: 1.55; }

        /* COMPARISON TABLE */
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.85rem;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .comparison-table thead { background: var(--surface2); }
        .comparison-table th {
            padding: 14px 16px;
            text-align: left;
            font-weight: 700;
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text3);
            border-bottom: 1px solid var(--border);
        }
        .comparison-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--border);
            color: var(--text2);
        }
        .comparison-table tr:last-child td { border-bottom: none; }
        .comparison-table tbody tr { background: var(--surface); transition: background 0.2s; }
        .comparison-table tbody tr:hover { background: var(--surface2); }
        .comparison-table .highlight { color: var(--accent); font-weight: 700; }

        /* TESTIMONIALS */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
            margin-top: 32px;
        }
        .testimonial-card {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 12px;
            padding: 24px;
        }
        .testimonial-card .stars { color: var(--orange); font-size: 0.85rem; margin-bottom: 12px; }
        .testimonial-card blockquote { color: var(--text2); font-size: 0.85rem; line-height: 1.6; font-style: italic; margin-bottom: 14px; }
        .testimonial-card .author { font-size: 0.8rem; color: var(--text3); font-weight: 600; }

        @media (max-width: 768px) {
            .use-cases-grid { grid-template-columns: 1fr; }
            .testimonials-grid { grid-template-columns: 1fr; }
            .comparison-table { font-size: 0.78rem; }
            .comparison-table th, .comparison-table td { padding: 10px 12px; }
        }

        /* CTA BANNER */
        .cta-banner {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 80px auto;
            padding: 0 24px;
        }
        .cta-inner {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-inner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent), transparent);
        }
        .cta-inner h2 { font-size: 1.8rem; font-weight: 800; margin-bottom: 10px; letter-spacing: -0.5px; }
        .cta-inner p { color: var(--text2); margin-bottom: 24px; font-size: 0.95rem; }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--accent);
            border: none;
            border-radius: 10px;
            color: var(--btn-text);
            font-size: 0.92rem;
            font-weight: 800;
            cursor: pointer;
            transition: all 0.2s;
        }
        .btn-cta:hover { background: var(--accent2); box-shadow: 0 0 30px var(--accent-glow); color: #06080d; }

        /* FOOTER */
        footer {
            position: relative;
            z-index: 1;
            border-top: 1px solid var(--border);
            padding: 48px 24px;
            margin-top: 40px;
        }
        .footer-inner {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand p { color: var(--text3); font-size: 0.82rem; margin-top: 10px; line-height: 1.5; }
        .footer-links-group h4 {
            font-size: 0.72rem;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--text3);
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-links-group ul { list-style: none; }
        .footer-links-group li { margin-bottom: 8px; }
        .footer-links-group a { color: var(--text2); font-size: 0.85rem; transition: color 0.2s; }
        .footer-links-group a:hover { color: var(--text); }
        .footer-bottom {
            max-width: 1100px;
            margin: 28px auto 0;
            padding-top: 20px;
            border-top: 1px solid var(--border);
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text3);
            font-size: 0.78rem;
        }

        /* TOAST */
        .toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: #ef4444;
            color: white;
            padding: 12px 24px;
            border-radius: 10px;
            font-size: 0.85rem;
            font-weight: 600;
            z-index: 9999;
            opacity: 0;
            transition: all 0.3s;
        }
        .toast.show { transform: translateX(-50%) translateY(0); opacity: 1; }
        .toast.success { background: var(--accent); color: #06080d; }

        /* MOBILE */
        @media (max-width: 768px) {
            .hero h1 { font-size: 2.2rem; letter-spacing: -1px; }
            .hero-sub { font-size: 1rem; }
            .hero-stats { gap: 24px; }
            .hero-stat-num { font-size: 1.2rem; }
            .bento { grid-template-columns: 1fr; }
            .bento-card.wide { grid-column: span 1; }
            .steps-track { flex-direction: column; gap: 16px; }
            .steps-track::before { display: none; }
            .lang-grid { grid-template-columns: repeat(2, 1fr); }
            .tool-controls { grid-template-columns: repeat(2, 1fr); }
            .audio-player-wrapper { flex-wrap: wrap; }
            .audio-player-wrapper audio { min-width: 100%; }
            .nav-links { display: none; }
            .nav-links.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 56px;
                right: 16px;
                background: var(--surface2);
                border: 1px solid var(--border);
                border-radius: 12px;
                padding: 16px 20px;
                z-index: 100;
                gap: 14px;
            }
            .hamburger { display: block; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .cta-inner { padding: 32px 24px; }
            .section-title { font-size: 1.7rem; }
        }

        /* FOUNDER CARD */
        .founder-section {
            position: relative;
            z-index: 1;
            max-width: 900px;
            margin: 100px auto;
            padding: 0 24px;
        }
        .founder-card {
            display: flex;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: 16px;
            overflow: hidden;
        }
        .founder-img {
            width: 340px;
            min-height: 420px;
            flex-shrink: 0;
            position: relative;
            overflow: hidden;
        }
        .founder-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .founder-img-tag {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: var(--accent);
            color: var(--btn-text);
            font-size: 0.68rem;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 1px;
            padding: 6px 14px;
            border-radius: 6px;
        }
        .founder-info {
            padding: 40px 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .founder-info .section-tag-sm {
            font-size: 0.68rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--text3);
            margin-bottom: 8px;
        }
        .founder-info h2 {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .founder-info p {
            color: var(--text2);
            font-size: 0.9rem;
            line-height: 1.75;
            margin-bottom: 14px;
        }
        .founder-linkedin {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text2);
            font-size: 0.85rem;
            font-weight: 600;
            margin-top: 8px;
            transition: all 0.2s;
            width: fit-content;
        }
        .founder-linkedin:hover { border-color: var(--accent); color: var(--accent); }
        .founder-linkedin svg { width: 16px; height: 16px; }

        @media (max-width: 768px) {
            .founder-card { flex-direction: column; }
            .founder-img { width: 100%; min-height: 300px; }
            .founder-info { padding: 28px 24px; }
        }

        @media (max-width: 480px) {
            .hero h1 { font-size: 1.8rem; }
            .hero-stats { flex-direction: column; gap: 12px; }
            .tool-controls { grid-template-columns: 1fr; }
            .lang-grid { grid-template-columns: 1fr; }
        }