:root {
            --primary: #00d4ff;
            --secondary: #001f3f;
            --bg-dark: #121212;
            --bg-card: #000000;
            --bg-card-alt: #000000;
            --text-light: #e0e0e0;
            --text-muted: #8a99a8;
            --accent: #31a5e9;
            --accent-dark: #0090b0;
            --danger: #e8445a;
            --border: rgba(0, 180, 216, 0.18);
            --shadow: 0 25px 75px rgba(0, 0, 0, 0.35);
            --glow: 0 0 15px rgba(0, 212, 255, 0.6);
            --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            overflow-x: hidden;
        }

        body {
            font-family: 'Roboto', sans-serif;
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-touch-callout: none;
            -webkit-user-select: none;
            -ms-user-select: none;
            user-select: none;
        }

        h1, h2, h3, .logo-text {
            font-family: 'Orbitron', sans-serif;
            text-transform: uppercase;
            letter-spacing: 2px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }

        img {
            max-width: 100%;
            display: block;
        }

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Navbar */
        header {
            position: fixed;
            width: 100%;
            top: 0;
            left: 0;
            right: 0;
            min-height: 74px;
            opacity: 1;
            visibility: visible;
            transform: translateZ(0);
            z-index: 1000;
            background: #000000;
            transition: var(--transition);
            -webkit-backface-visibility: hidden;
            backface-visibility: hidden;
        }

        header.scrolled {
            padding: 5px 0;
            background: #000000;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
        }

        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }

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

        .logo img {
            height: 50px;
            filter: none;
            transition: var(--transition);
        }

        .logo:hover img {
            transform: rotate(360deg);
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--primary);
            text-shadow: var(--glow);
        }

        .nav-links {
            display: flex;
            gap: 30px;
        }

        .nav-links a {
            font-size: 0.9rem;
            font-weight: 500;
            position: relative;
            padding: 5px 0;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background-color: var(--primary);
            transition: var(--transition);
            box-shadow: var(--glow);
        }

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

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

        .hamburger {
            display: none;
            cursor: pointer;
            font-size: 1.5rem;
            color: var(--primary);
        }

        .btn {
            display: inline-block;
            padding: 14px 35px;
            border-radius: 5px;
            font-weight: bold;
            text-transform: uppercase;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            position: relative;
            overflow: hidden;
            z-index: 1;
            letter-spacing: 1px;
        }
        .btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
            transition: 0.5s;
            z-index: -1;
        }
        .btn:hover::before { left: 100%; }
        .btn-primary {
            background: var(--primary);
            color: #0a0a0f;
        }
        .btn-primary:hover {
            background: var(--accent-dark);
            transform: translateY(-3px);
            box-shadow: 0 0 25px rgba(0, 212, 255, 0.8);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }
        .btn-outline:hover {
            background: rgba(0, 212, 255, 0.12);
            transform: translateY(-2px);
        }

        .countdown-col .timer-panel {
            border-radius: 24px;
            background: rgba(14, 18, 26, 0.92);
            border: 1px solid rgba(0, 212, 255, 0.22);
            padding: 28px;
        }

        .hero {
            min-height: 100vh;
            display: grid;
            place-items: center;
            padding: 120px 0 80px;
            position: relative;
            overflow: hidden;
            background: linear-gradient(rgba(10, 15, 30, 0.88), rgba(10, 12, 18, 0.95)), url('/images/lab.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-attachment: fixed;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(255,255,255,0.04), transparent 33%, rgba(255,255,255,0.02));
            pointer-events: none;
        }
        .hero-grid { display: grid; grid-template-columns: 1fr; gap: 24px; justify-items: center; width: 100%; }
        .hero-copy { position: relative; z-index: 1; text-align: center; max-width: 820px; margin: 0 auto; }
        .hero-copy h1 {
            font-family: 'Orbitron', sans-serif;
            font-size: 5rem;
            line-height: 1.1;
            letter-spacing: 5px;
            margin-bottom: 30px;
            color: var(--primary);
            text-shadow: 0 0 30px rgba(95, 215, 245, 0.87);
        }
        .pill-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-bottom: 30px; }
        .pill { padding: 16px 18px; border-radius: 18px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); }
        .pill strong { display: block; color: var(--text-light); margin-bottom: 6px; font-size: 0.88rem; }
        .pill span { color: var(--primary); font-size: 0.95rem; font-weight: 700; }
        .hero-actions { display: flex; justify-content: center; gap: 18px; margin-top: 20px; margin-bottom: 10px; }
        .hero-actions .btn-primary { padding: 14px 36px; font-size: 0.95rem; font-weight: 700; border-radius: 999px; }
        .timer-card {
            width: min(940px, 100%);
            position: relative;
            overflow: hidden;
            border-radius: 30px;
            border: 1px solid rgba(0, 212, 255, 0.22);
            background: linear-gradient(180deg, rgba(14, 18, 26, 0.92), rgba(10, 12, 18, 0.84));
            box-shadow: 0 26px 90px rgba(0, 0, 0, 0.55);
            padding: clamp(26px, 5vw, 32px);
            backdrop-filter: none;
            margin-bottom: 36px;
        }
        .timer-card::before,
        .timer-card::after {
            content: "";
            position: absolute;
            border-radius: 50%;
            pointer-events: none;
        }
        .timer-card::before {
            width: 300px;
            height: 300px;
            right: -110px;
            top: -120px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.18), transparent 68%);
        }
        .timer-card::after {
            width: 220px;
            height: 220px;
            left: -90px;
            bottom: -110px;
            background: radial-gradient(circle, rgba(90, 231, 255, 0.12), transparent 70%);
        }
        .timer-eyebrow {
            margin: 0 0 12px;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.34em;
            font-size: 0.76rem;
            font-weight: 700;
        }
        .timer-title {
            margin: 0;
            font-size: clamp(2rem, 5vw, 3rem);
            line-height: 1.03;
            letter-spacing: 0.01em;
            font-weight: 700;
        }
        .accent-word {
            color: var(--accent);
            text-shadow: 0 0 18px rgba(0, 212, 255, 0.22);
        }
        .timer-subtitle {
            margin: 14px 0 0;
            max-width: 60ch;
            color: var(--text-muted);
            line-height: 1.8;
            font-size: 1rem;
        }
        .timer-panel {
            margin-top: 15px;
            position: relative;
            border-radius: 20px;
            padding: 12px 20px;
            border: 1px solid rgba(0, 212, 255, 0.24);
            background: var(--bg-card);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
        }
        .timer-top {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 10px;
        }
        .timer-heading {
            margin: 0;
            font-size: 0.9rem;
            letter-spacing: 0.18em;
            text-transform: uppercase;
            color: var(--primary);
            text-shadow: var(--glow);
        }
        .timer-panel .timer-subtitle {
            margin: 4px 0 0;
        }
        .deadline {
            padding: 10px 14px;
            border-radius: 999px;
            background: rgba(0, 212, 255, 0.1);
            border: 1px solid rgba(0, 212, 255, 0.25);
            color: var(--primary);
            font-size: 0.88rem;
            font-weight: 600;
            white-space: nowrap;
            text-shadow: 0 0 8px rgba(0, 212, 255, 0.3);
        }
        .timer-grid {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 14px;
        }
        .time-box {
            position: relative;
            overflow: hidden;
            padding: 10px 8px;
            border-radius: 16px;
            background: var(--bg-card);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
            text-align: center;
        }
        .time-box strong {
            position: relative;
            z-index: 1;
            display: block;
            font-family: 'Orbitron', sans-serif;
            font-size: clamp(1.4rem, 3vw, 2rem);
            letter-spacing: 0.08em;
            color: var(--primary);
            text-shadow: 0 0 12px rgba(0, 212, 255, 0.5);
        }
        .time-box span {
            position: relative;
            z-index: 1;
            display: block;
            margin-top: 4px;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 0.16em;
            font-size: 0.7rem;
            font-family: 'Orbitron', sans-serif;
        }
        .meta {
            margin-top: 14px;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .timer-pill {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 999px;
            border: 1px solid rgba(0, 212, 255, 0.16);
            background: rgba(255, 255, 255, 0.04);
            color: #d8fbff;
            font-size: 0.92rem;
        }
        .timer-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--accent);
            box-shadow: 0 0 14px rgba(0, 212, 255, 0.9);
        }
        @media (max-width: 860px) {
            .timer-top {
                flex-direction: column;
            }
            .deadline {
                white-space: normal;
            }
        }
        @media (max-width: 640px) {
            .timer-card {
                border-radius: 22px;
                padding: 22px 16px;
            }
            .timer-eyebrow {
                letter-spacing: 0.22em;
                font-size: 0.7rem;
            }
            .timer-title {
                font-size: clamp(1.9rem, 10vw, 2.4rem);
            }
            .timer-subtitle {
                font-size: 0.95rem;
            }
            .timer-grid {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }
            .time-box {
                padding: 12px 10px;
            }
            .meta {
                flex-direction: column;
            }
            .timer-pill {
                justify-content: center;
            }
        }
        .stat-card { position: relative; overflow: hidden; transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: 24px; padding: 22px; margin-bottom: 18px; }
        .stat-card strong { display: block; font-size: 2.6rem; color: var(--text-light); margin-bottom: 8px; }
        .stat-card h4 { color: var(--primary); font-size: 0.95rem; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; }
        .stat-card p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.7; }
        section { padding: 110px 0; background: var(--bg-dark); }
        .section-title { text-align: center; margin-bottom: 70px; }
        .section-title h2 { font-size: clamp(2.4rem, 4vw, 3.4rem); color: var(--primary); margin-bottom: 18px; }
        .section-title p { color: var(--text-muted); max-width: 760px; margin: 0 auto; line-height: 1.8; }
        .section-intro { color: var(--text-muted); margin: 0 auto 40px; max-width: 760px; }
        .services-grid, .why-grid, .benefit-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
        .service-card, .track-card, .benefit-card, .detail-card, .selection-step { position: relative; overflow: hidden; background: var(--bg-card); border: 1px solid rgba(0,212,255,0.1); border-radius: 24px; padding: 28px; box-shadow: var(--shadow); transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; }
        
        .service-card::after, .benefit-card::after, .detail-card::after, .selection-step::after, .timeline-item::after, .stat-card::after, .week-item::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(0, 212, 255, 0.05), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
            will-change: transform;
            pointer-events: none;
            z-index: 1;
        }

        .service-card:hover::after, .benefit-card:hover::after, .detail-card:hover::after, .selection-step:hover::after, .timeline-item:hover::after, .stat-card:hover::after, .week-item:hover::after {
            transform: translateX(100%);
        }

        .service-card:hover, .benefit-card:hover, .detail-card:hover, .selection-step:hover, .timeline-item:hover, .stat-card:hover, .week-item:hover {
            transform: translateY(-15px);
            background: rgba(0, 212, 255, 0.05);
            border-color: var(--primary);
            box-shadow: 0 15px 30px rgba(0, 0, 0, 0.5);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .service-card i, .benefit-card i, .detail-card i, .selection-step i, .timeline-item i, .stat-card i, .week-item i {
            transition: var(--transition);
        }

        .service-card:hover i, .benefit-card:hover i, .detail-card:hover i, .selection-step:hover i, .timeline-item:hover i, .stat-card:hover i, .week-item:hover i {
            transform: scale(1.2) rotate(10deg);
        }
        .service-card h3, .track-card h3, .benefit-card h4, .timeline-item h4 { color: var(--primary); margin-bottom: 14px; }
        .service-card p, .track-card p, .benefit-card p, .timeline-item p { color: var(--text-muted); line-height: 1.75; }
        .benefit-card { overflow: hidden; }
        .benefit-card::before { content: ''; position: absolute; inset: 0; background: radial-gradient(circle at top left, rgba(0,180,216,0.12), transparent 20%); opacity: 0.7; pointer-events: none; }
        .benefit-card .benefit-icon { position: relative; display: grid; place-items: center; width: 68px; height: 68px; border-radius: 18px; background: rgba(0,180,216,0.16); color: var(--primary); font-size: 1.8rem; margin-bottom: 20px; transition: var(--transition); }
        .benefit-card:hover .benefit-icon { transform: scale(1.2) rotate(10deg); }
        .benefit-card h4, .benefit-card p { position: relative; }
        .benefit-card p { margin-top: 8px; }
        .track-card { display: grid; gap: 16px; }
        .track-card .track-header { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
        .track-tag { display: inline-flex; align-items: center; justify-content: center; padding: 8px 14px; border-radius: 999px; text-transform: uppercase; letter-spacing: 1px; font-size: 0.75rem; font-weight: 700; }
        .track-tag.red { color: #ffb2c1; background: rgba(232,68,90,0.14); }
        .track-tag.blue { color: var(--primary); background: rgba(0,180,216,0.12); }
        .track-card h3 { font-size: 1.45rem; }
        .track-card .track-subtitle { color: var(--text-muted); margin-bottom: 14px; }
        .week-list { display: grid; gap: 18px; }
        .week-item { position: relative; overflow: hidden; transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; padding: 22px; border-radius: 24px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); }
        .week-top { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; align-items: center; margin-bottom: 14px; }
        .week-top h4 { font-size: 1rem; text-transform: uppercase; color: var(--primary); letter-spacing: 0.05em; }
        .week-label { color: var(--text-muted); font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.14em; }
        .week-item h5 { font-size: 1.1rem; margin-bottom: 10px; }
        .topic-list, .step-list { list-style: none; padding-left: 0; display: grid; gap: 10px; margin-top: 10px; }
        .topic-list li, .step-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-light); }
        .topic-list li::before, .step-list li::before { content: '•'; color: var(--primary); margin-top: 4px; }
        .selection-grid { display: grid; grid-template-columns: repeat(4, minmax(180px, 1fr)); gap: 22px; margin-bottom: 42px; }
        .selection-step { position: relative; overflow: hidden; transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; padding: 24px; border-radius: 24px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); }
        .selection-step h4 { font-size: 1rem; margin-bottom: 10px; color: var(--primary); }
        .selection-step strong { display: block; color: var(--text-light); margin-bottom: 10px; }
        .selection-step p { color: var(--text-muted); }
        .criteria-box { padding: 28px; border-radius: 28px; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); position: relative; }
        .criteria-box h4 { color: var(--primary); margin-bottom: 18px; }
        .criteria-box ul { display: grid; gap: 14px; padding-left: 0; }
        .criteria-box li { display: flex; gap: 12px; align-items: flex-start; color: var(--text-light); }
        .criteria-box li::before { content: '✓'; color: var(--accent); font-weight: 700; margin-top: 3px; }
        .timeline {
            position: relative;
            padding-left: 34px;
            display: grid;
            gap: 24px;
        }
        .timeline::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: rgba(0,180,216,0.18);
        }
        .timeline-item {
            position: relative;
            display: block;
            padding: 24px 24px 24px 96px;
            background: var(--bg-card);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 24px;
            overflow: hidden;
            transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            will-change: transform;
        }
        .timeline-item::before {
            content: attr(data-step);
            position: absolute;
            left: 20px;
            top: 24px;
            width: 50px;
            height: 50px;
            border-radius: 20px;
            background: rgba(0,212,255,0.14);
            color: var(--primary);
            border: 1px solid rgba(0,212,255,0.28);
            display: grid;
            place-items: center;
            font-weight: 700;
            font-size: 1rem;
            z-index: 2;
        }
        .timeline-item strong {
            display: block;
            color: var(--text-muted);
            margin-bottom: 10px;
            font-size: 0.82rem;
            text-transform: uppercase;
            letter-spacing: 0.14em;
        }
        .timeline-item h4 { margin: 0 0 10px; color: var(--primary); }
        .faq-list { display: grid; gap: 16px; }
        .faq-item { overflow: hidden; }
        .faq-question { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding: 22px 24px; cursor: pointer; }
        .faq-question h4 { font-size: 1rem; color: var(--text-light); }
        .faq-question span { color: var(--primary); font-size: 1.4rem; line-height: 1; }
        .faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; padding: 0 24px; }
        .faq-answer.open { padding: 18px 24px 24px; max-height: 640px; }
        .faq-answer p { color: var(--text-muted); line-height: 1.75; }
        main { background: var(--bg-dark); }
        .cta-panel { padding: 42px 40px; border-radius: 32px; background: linear-gradient(135deg, rgba(0,180,216,0.18), rgba(232,68,90,0.18)); border: 1px solid rgba(255,255,255,0.08); text-align: center; }
        .cta-panel h2 { margin-bottom: 18px; }
        .cta-panel p { color: var(--text-muted); margin-bottom: 26px; max-width: 760px; margin-left: auto; margin-right: auto; }
        footer {
            background-color: #050505;
            padding: 55px 0 20px;
            position: relative;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: var(--primary);
            margin-bottom: 30px;
            font-size: 1.2rem;
            position: relative;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: -10px;
            left: 0;
            width: 40px;
            height: 2px;
            background: var(--primary);
        }
        .footer-col p {
            font-size: 1rem;
            margin-bottom: 15px;
            color: #999;
        }
        .footer-links li {
            margin-bottom: 15px;
        }
        .footer-links a {
            color: #999;
        }
        .footer-links a:hover {
            color: var(--primary);
            padding-left: 10px;
        }
        .social-links {
            display: flex;
            gap: 20px;
            margin-top: 20px;
        }
        .social-links a {
            width: 45px;
            height: 45px;
            background: rgba(255, 255, 255, 0.03);
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            font-size: 1.3rem;
            border: 1px solid rgba(0, 212, 255, 0.1);
        }
        .social-links a:hover {
            background: var(--primary);
            color: var(--bg-dark);
            box-shadow: var(--glow);
            transform: translateY(-5px);
            border-color: var(--primary);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.9rem;
            color: #555;
        }
        .detail-grid { display: grid; grid-template-columns: repeat(3, minmax(240px, 1fr)); gap: 24px; }
        .detail-card { position: relative; overflow: hidden; transition: background-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.3s cubic-bezier(0.4, 0, 0.2, 1); will-change: transform; background: var(--bg-card); border: 1px solid rgba(255,255,255,0.08); border-radius: 24px; padding: 26px; box-shadow: var(--shadow); }
        .detail-card h4 { color: var(--primary); margin-bottom: 12px; }
        .detail-card p { color: var(--text-muted); line-height: 1.75; }
        @media (max-width: 992px) {
            .hero-copy h1 { font-size: 3.5rem; }
            .hero-grid { grid-template-columns: 1fr; }
            .detail-grid { grid-template-columns: repeat(2, minmax(240px, 1fr)); }
            .selection-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .benefit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
        }
        @media (max-width: 768px) {
            nav {
                min-height: 72px;
                position: relative;
            }

            .logo {
                min-width: 0;
            }

            .logo img {
                height: 42px;
                flex-shrink: 0;
            }

            .logo-text {
                font-size: 1rem;
                line-height: 1.2;
            }

            .nav-links {
                display: flex;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background: rgba(10, 10, 10, 0.98);
                flex-direction: column;
                gap: 0;
                max-height: 0;
                opacity: 0;
                overflow: hidden;
                padding: 0 24px;
                pointer-events: none;
                text-align: center;
                transform: translateY(-16px);
                border-bottom: 1px solid var(--primary);
                backdrop-filter: blur(20px);
                box-shadow: 0 16px 30px rgba(0, 0, 0, 0.45);
                transition: max-height 0.35s ease, opacity 0.35s ease, transform 0.35s ease;
            }

            .nav-links.active {
                max-height: 420px;
                opacity: 1;
                padding: 26px 24px;
                pointer-events: auto;
                transform: translateY(0);
            }

            .nav-links li {
                width: 100%;
                opacity: 0;
                transform: translateY(-8px);
                transition: opacity 0.28s ease 0.05s, transform 0.28s ease 0.05s;
            }

            .nav-links.active li {
                opacity: 1;
                transform: translateY(0);
            }

            .nav-links a {
                display: block;
                padding: 14px 0;
            }

            .hamburger {
                display: flex;
                align-items: center;
                justify-content: center;
                width: 44px;
                height: 44px;
                justify-content: center;
                width: 44px;
            }

            .hero-copy h1 { font-size: 2.2rem; letter-spacing: 2px; }
            .hero { padding-top: 160px; }
            .pill-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
            .section { padding: 80px 0; }
            .detail-grid, .selection-grid, .benefit-grid { grid-template-columns: 1fr; }
            .timeline { padding-left: 0; }
            .timeline::before { display: none; }
            .timeline-item { padding-left: 90px; }
        }
        @media (max-width: 520px) {
            .hero-copy h1 { font-size: 1.8rem; letter-spacing: 1px; }
            .pill-row { grid-template-columns: 1fr; }
            .hero-actions { flex-direction: column; }
            .btn { width: 100%; }
        }