:root {
            --brand-green: #10b981;
            --brand-green-glow: rgba(16, 185, 129, 0.4);
            --brand-green-light: rgba(16, 185, 129, 0.08);
            --accent-orange: #f59e0b;
            --accent-purple: #8b5cf6;
            --dark-deep: #020617;
            --dark-card: #0d1929;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --bg-light: #f8fafc;
            --bg-section: #f1f5f9;
            --glass-white: rgba(255, 255, 255, 0.8);
            --glass-border: rgba(255, 255, 255, 0.4);
            --font-en: 'Plus Jakarta Sans', sans-serif;
            --radius-lg: 32px;
            --radius-md: 20px;
        }

        @keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-20px); } }
        @keyframes pulse-glow { 0%, 100% { opacity: 0.5; } 50% { opacity: 1; } }
        @keyframes rotate-slow { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }
        @keyframes fadeUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
        @keyframes ticker { 0% { transform: translateX(0); } 100% { transform: translateX(-50%); } }
        @keyframes shimmer { 0% { background-position: -200% 0; } 100% { background-position: 200% 0; } }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { overflow-x: hidden; }
        body { font-family: 'Noto Sans SC', sans-serif; color: var(--text-main); background: #fff; overflow-x: hidden; font-weight: 300; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

        /* --- Section Header --- */
        .section-header { text-align: center; margin-bottom: 64px; }
        .section-label {
            display: inline-block; padding: 5px 16px; background: var(--brand-green-light);
            color: var(--brand-green); border-radius: 100px; font-weight: 500; font-size: 12px;
            letter-spacing: 2px; text-transform: uppercase; margin-bottom: 16px;
        }
        .section-title { font-size: clamp(28px, 4vw, 40px); font-weight: 600; color: var(--dark-deep); margin-bottom: 16px; }
        .section-title span { color: var(--brand-green); }
        .section-desc { color: var(--text-muted); font-size: 16px; line-height: 1.8; max-width: 600px; margin: 0 auto; font-weight: 300; }

        /* --- Header --- */
        header {
            position: fixed; top: 0; width: 100%; z-index: 1000; padding: 24px 0;
            border-bottom: 1px solid transparent;
            box-shadow: 0 2px 20px rgba(0,0,0,0);
            transform: translateZ(0);
            transition: padding 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
        }
        header.scrolled {
            padding: 14px 0; background: rgba(255,255,255,0.92); backdrop-filter: blur(20px);
            border-bottom-color: rgba(0,0,0,0.06); box-shadow: 0 2px 20px rgba(0,0,0,0.05);
        }
        .nav-flex { display: flex; justify-content: space-between; align-items: center; }
        .logo { font-family: var(--font-en); font-weight: 700; font-size: 24px; display: flex; align-items: center; gap: 8px; text-decoration: none; color: #000; }
        .logo i { color: var(--brand-green); }
        .logo-img { width: 28px; height: 28px; object-fit: cover; display: block; border-radius: 7px; box-shadow: 0 2px 8px rgba(16,185,129,0.25); }
        .nav-links { display: flex; gap: 32px; list-style: none; }
        .nav-links a { text-decoration: none; color: var(--text-main); font-weight: 400; font-size: 15px; transition: 0.3s; }
        .nav-links a:hover { color: var(--brand-green); }
        .nav-links a.active { color: var(--brand-green); font-weight: 600; }
        .nav-cta {
            padding: 10px 24px;
            background: linear-gradient(135deg, #10b981, #059669) !important;
            color: #fff !important; border-radius: 100px; font-weight: 600 !important;
            font-size: 14px !important; transition: 0.3s !important;
            box-shadow: 0 4px 14px rgba(16,185,129,0.3);
        }
        .nav-cta:hover {
            background: linear-gradient(135deg, #059669, #047857) !important;
            color: #fff !important; transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(16,185,129,0.4) !important;
        }
        .nav-right { display: flex; align-items: center; gap: 12px; }
        .nav-hamburger { display: none; }

        /* --- Hero Section --- */
        .hero { padding: 180px 0 100px; text-align: center; overflow: visible; position: relative; }
        .hero-tag {
            display: inline-block; padding: 6px 16px; background: rgba(16, 185, 129, 0.1);
            color: var(--brand-green); border-radius: 100px; font-weight: 500; font-size: 13px;
            margin-bottom: 24px;
        }
        .hero-title {
            font-size: clamp(40px, 8vw, 80px); font-weight: 700; line-height: 1.05;
            letter-spacing: -2px; color: var(--dark-deep); margin-bottom: 24px;
        }
        .hero-title span { color: var(--brand-green); }
        .hero-desc { font-size: 18px; color: #64748b; max-width: 620px; margin: 0 auto 40px; line-height: 1.7; font-weight: 300; }
        .hero-btns { display: flex; gap: 16px; justify-content: center; align-items: center; margin-bottom: 60px; flex-wrap: wrap; }
        .btn-primary {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 16px 40px; background: var(--brand-green); color: #fff; font-weight: 600;
            font-size: 16px; border-radius: 100px; text-decoration: none;
            box-shadow: 0 10px 30px var(--brand-green-glow); transition: 0.3s;
        }
        .btn-primary:hover { transform: translateY(-3px); background: #059669; box-shadow: 0 15px 40px var(--brand-green-glow); }
        .btn-secondary {
            display: inline-flex; align-items: center; justify-content: center;
            padding: 16px 40px; background: transparent; color: var(--dark-deep); font-weight: 500;
            font-size: 16px; border-radius: 100px; text-decoration: none; border: 2px solid #e2e8f0; transition: 0.3s;
        }
        .btn-secondary:hover { border-color: var(--brand-green); color: var(--brand-green); transform: translateY(-3px); }

        /* --- Hero Stage --- */
        .hero-stage {
            position: relative; max-width: 1000px; margin: 0 auto;
            display: flex; justify-content: center; align-items: center;
        }
        .stage-base {
            position: absolute; bottom: -50px; width: 85%; height: 400px;
            background: radial-gradient(circle at center, var(--brand-green) 0%, #059669 100%);
            border-radius: 500px 500px 0 0; z-index: 1; filter: blur(1px);
            opacity: 0.95; box-shadow: 0 -20px 80px var(--brand-green-glow);
        }
        .stage-ring {
            position: absolute; bottom: 0; width: 110%; height: 500px;
            border: 2px dashed rgba(16, 185, 129, 0.2); border-radius: 500px 500px 0 0;
            z-index: 0; animation: rotate-slow 20s linear infinite;
        }
        .hub-visual {
            position: relative; z-index: 10; width: 100%; height: 450px;
            display: flex; justify-content: center; align-items: flex-end; gap: 20px;
            padding-bottom: 40px;
        }
        .glass-panel {
            background: rgba(255, 255, 255, 0.1); backdrop-filter: blur(24px) saturate(1.4);
            -webkit-backdrop-filter: blur(24px) saturate(1.4);
            border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 24px; padding: 24px;
            box-shadow: 0 25px 50px rgba(0,0,0,0.25); animation: float 5s ease-in-out infinite;
            display: flex; flex-direction: column; gap: 15px; text-align: left;
        }
        .panel-center { width: 340px; height: 380px; z-index: 5; margin-bottom: 20px; animation-delay: 0.5s; background: rgba(10, 18, 38, 0.88); }
        .panel-side { width: 220px; height: 300px; z-index: 4; background: rgba(10, 18, 38, 0.72); border-color: rgba(255,255,255,0.14); }
        .side-l { animation-delay: 0s; transform: rotate(-5deg); }
        .side-r { animation-delay: 1s; transform: rotate(5deg); }
        .p-tag { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--brand-green); font-weight: 600; }
        .p-title { color: #fff; font-size: 18px; font-weight: 600; }
        .p-line { width: 100%; height: 6px; background: rgba(255,255,255,0.05); border-radius: 10px; overflow: hidden; position: relative; }
        .p-line::after { content: ''; position: absolute; left: 0; top: 0; height: 100%; width: 60%; background: var(--brand-green); }
        .p-stats { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: auto; }
        .stat-box { background: rgba(255,255,255,0.05); padding: 10px; border-radius: 12px; }
        .stat-val { color: #fff; font-weight: 700; font-size: 14px; }
        .stat-lab { color: #94a3b8; font-size: 10px; }
        .leaf-icon {
            position: absolute; z-index: 20;
            background: linear-gradient(135deg, #34d399, #10b981, #059669);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 14px rgba(16,185,129,0.5));
            animation: float 4s infinite;
        }

        /* --- Stats Banner --- */
        .stats { padding: 0; background: #fff; overflow: hidden; }
        .stats-ticker-wrap {
            background: var(--dark-deep); padding: 24px 0; overflow: hidden;
            border-top: 1px solid rgba(255,255,255,0.04); border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .stats-ticker {
            display: flex; gap: 0; white-space: nowrap;
            animation: ticker 30s linear infinite;
        }
        .stats-ticker-item {
            display: inline-flex; align-items: center; gap: 12px;
            padding: 0 48px; border-right: 1px solid rgba(255,255,255,0.08); flex-shrink: 0;
        }
        .stats-ticker-item i {
            font-size: 18px;
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 6px rgba(16,185,129,0.5));
        }
        .stats-ticker-item b { color: #fff; font-size: 22px; font-weight: 600; font-family: var(--font-en); }
        .stats-ticker-item span { color: #64748b; font-size: 13px; font-weight: 400; }

        /* --- Features Bento Grid --- */
        .features { padding: 120px 0; background: var(--dark-deep); color: #fff; }
        .features .section-title { color: #fff; }
        .features .section-desc { color: #94a3b8; }
        .bento-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: auto auto;
            gap: 20px;
        }
        .bento-card {
            background: rgba(255,255,255,0.03); border-radius: 28px;
            border: 1px solid rgba(255,255,255,0.06); transition: 0.3s;
            padding: 36px; position: relative; overflow: hidden;
        }
        .bento-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(16,185,129,0.25); transform: translateY(-4px); }
        .bento-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
            background: linear-gradient(90deg, transparent, rgba(16,185,129,0.3), transparent);
        }
        .bento-span2 { grid-column: span 2; }
        .bento-span2-row { grid-column: span 2; display: flex; gap: 32px; align-items: center; }
        .bento-icon {
            width: 56px; height: 56px; border-radius: 16px; margin-bottom: 20px;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, rgba(16,185,129,0.18) 0%, rgba(52,211,153,0.08) 100%);
            border: 1px solid rgba(16,185,129,0.2);
            box-shadow: 0 4px 16px rgba(16,185,129,0.12), inset 0 1px 0 rgba(255,255,255,0.08);
            position: relative;
        }
        .bento-icon::after {
            content: ''; position: absolute; inset: 0; border-radius: 16px;
            background: radial-gradient(circle at 30% 30%, rgba(52,211,153,0.2) 0%, transparent 65%);
            pointer-events: none;
        }
        .bento-icon i {
            font-size: 22px;
            background: linear-gradient(135deg, #34d399, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 1px 4px rgba(16,185,129,0.4));
        }
        .bento-card:hover .bento-icon {
            background: linear-gradient(135deg, rgba(16,185,129,0.28) 0%, rgba(52,211,153,0.14) 100%);
            box-shadow: 0 6px 24px rgba(16,185,129,0.2), inset 0 1px 0 rgba(255,255,255,0.1);
            border-color: rgba(16,185,129,0.4);
        }
        .bento-card h3 { font-size: 19px; font-weight: 600; margin-bottom: 12px; color: #fff; }
        .bento-card p { color: #94a3b8; line-height: 1.8; font-size: 14px; font-weight: 300; }
        .bento-accent { background: linear-gradient(135deg, rgba(16,185,129,0.12), rgba(16,185,129,0.03)); border-color: rgba(16,185,129,0.2); }
        .bento-number { font-size: 64px; font-weight: 700; font-family: var(--font-en); color: rgba(16,185,129,0.15); position: absolute; bottom: -10px; right: 20px; line-height: 1; }
        .bento-tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
        .bento-tag { padding: 4px 12px; background: rgba(16,185,129,0.1); color: var(--brand-green); border-radius: 100px; font-size: 12px; font-weight: 500; border: 1px solid rgba(16,185,129,0.2); }
        .bento-visual {
            flex: 1; background: rgba(16,185,129,0.06); border-radius: 16px; padding: 20px;
            font-family: monospace; font-size: 12px; color: #10b981; line-height: 2;
            border: 1px solid rgba(16,185,129,0.12); min-height: 140px;
        }
        .bento-visual-label { font-size: 10px; color: #64748b; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 10px; font-family: 'Noto Sans SC', sans-serif; }

        /* --- Use Cases (Zigzag) --- */
        .use-cases { padding: 120px 0; background: var(--bg-light); }
        .use-cases .section-header { margin-bottom: 80px; }
        .use-case-row {
            display: grid; grid-template-columns: 1fr 1fr; gap: 80px;
            align-items: center; margin-bottom: 100px;
        }
        .use-case-row:last-child { margin-bottom: 0; }
        .use-case-row.reverse .uc-visual { order: 2; }
        .use-case-row.reverse .uc-content { order: 1; }
        .uc-visual {
            border-radius: 28px; overflow: hidden; position: relative;
            background: var(--dark-deep); padding: 40px;
            min-height: 320px; display: flex; align-items: center; justify-content: center;
        }
        .uc-visual-inner {
            width: 100%; display: flex; flex-direction: column; gap: 12px;
        }
        .uc-visual-title { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--brand-green); font-weight: 500; margin-bottom: 4px; }
        .uc-row-item {
            display: flex; align-items: center; justify-content: space-between;
            background: rgba(255,255,255,0.04); border-radius: 12px; padding: 12px 16px;
            border: 1px solid rgba(255,255,255,0.06);
        }
        .uc-row-left { display: flex; align-items: center; gap: 10px; }
        .uc-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--brand-green); flex-shrink: 0; }
        .uc-dot.orange { background: var(--accent-orange); }
        .uc-dot.purple { background: var(--accent-purple); }
        .uc-row-label { font-size: 13px; color: rgba(255,255,255,0.85); font-weight: 400; }
        .uc-row-badge {
            font-size: 11px; font-weight: 600; font-family: var(--font-en);
            padding: 3px 10px; border-radius: 100px;
        }
        .badge-direct { background: rgba(16,185,129,0.15); color: var(--brand-green); }
        .badge-proxy { background: rgba(245,158,11,0.15); color: var(--accent-orange); }
        .badge-block { background: rgba(239,68,68,0.12); color: #f87171; }
        .uc-content {}
        .uc-tag {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 5px 14px; background: var(--brand-green-light); color: var(--brand-green);
            border-radius: 100px; font-size: 12px; font-weight: 500; letter-spacing: 1px;
            margin-bottom: 20px;
        }
        .uc-title { font-size: clamp(22px, 3vw, 30px); font-weight: 600; color: var(--dark-deep); line-height: 1.3; margin-bottom: 16px; }
        .uc-desc { color: var(--text-muted); font-size: 15px; line-height: 1.8; margin-bottom: 24px; font-weight: 300; }
        .uc-points { list-style: none; display: flex; flex-direction: column; gap: 10px; }
        .uc-points li {
            display: flex; align-items: flex-start; gap: 10px;
            font-size: 14px; color: var(--text-main); line-height: 1.6; font-weight: 300;
        }
        .uc-points li::before {
            content: ''; width: 18px; height: 18px; background: var(--brand-green-light);
            border-radius: 50%; flex-shrink: 0; margin-top: 2px;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2310b981'%3E%3Cpath d='M9 16.2L4.8 12l-1.4 1.4L9 19 21 7l-1.4-1.4L9 16.2z'/%3E%3C/svg%3E");
            background-size: contain;
        }

        /* --- Protocol Section (Split Panel) --- */
        .protocols { padding: 120px 0; background: var(--dark-deep); }
        .protocols .section-title { color: #fff; }
        .protocols .section-desc { color: #94a3b8; }
        .proto-split { display: grid; grid-template-columns: 1fr 1.4fr; gap: 60px; align-items: start; }
        .proto-tab-list { display: flex; flex-direction: column; gap: 8px; }
        .proto-tab {
            display: flex; align-items: center; gap: 16px;
            padding: 18px 20px; border-radius: 16px; cursor: pointer;
            border: 1px solid rgba(255,255,255,0.05); transition: 0.25s;
            background: rgba(255,255,255,0.02);
        }
        .proto-tab:hover { background: rgba(255,255,255,0.06); }
        .proto-tab.active { background: rgba(16,185,129,0.1); border-color: rgba(16,185,129,0.3); }
        .proto-tab-badge {
            width: 48px; height: 48px; border-radius: 12px; display: flex; align-items: center;
            justify-content: center; font-weight: 700; font-size: 12px; font-family: var(--font-en);
            flex-shrink: 0; background: rgba(255,255,255,0.06); color: #94a3b8; transition: 0.25s;
        }
        .proto-tab.active .proto-tab-badge {
            background: linear-gradient(135deg, #10b981, #059669);
            color: #fff;
            box-shadow: 0 4px 12px rgba(16,185,129,0.4);
        }
        .proto-tab-info { flex: 1; }
        .proto-tab-name { font-size: 15px; font-weight: 500; color: rgba(255,255,255,0.6); transition: 0.25s; }
        .proto-tab.active .proto-tab-name { color: #fff; font-weight: 600; }
        .proto-tab-brief { font-size: 12px; color: #475569; margin-top: 2px; font-weight: 300; }
        .proto-tab.active .proto-tab-brief { color: #94a3b8; }
        .proto-tab-arrow { color: rgba(255,255,255,0.2); font-size: 12px; transition: 0.25s; }
        .proto-tab.active .proto-tab-arrow { color: var(--brand-green); }
        .proto-detail-panel {
            background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.08);
            border-radius: 28px; padding: 40px; position: sticky; top: 100px;
        }
        .proto-detail { display: none; }
        .proto-detail.active { display: block; }
        .proto-detail-badge {
            display: inline-flex; align-items: center; gap: 6px;
            background: rgba(16,185,129,0.12); color: var(--brand-green);
            padding: 6px 16px; border-radius: 100px; font-size: 13px; font-weight: 600;
            letter-spacing: 1px; font-family: var(--font-en); margin-bottom: 24px;
        }
        .proto-detail h3 { font-size: 26px; font-weight: 600; color: #fff; margin-bottom: 12px; }
        .proto-detail > p { color: #94a3b8; font-size: 15px; line-height: 1.8; margin-bottom: 28px; font-weight: 300; }
        .proto-features { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 28px; }
        .proto-feature-item {
            display: flex; align-items: center; gap: 8px;
            background: rgba(255,255,255,0.03); padding: 12px 14px; border-radius: 12px;
            font-size: 13px; color: rgba(255,255,255,0.75); font-weight: 400;
        }
        .proto-feature-item i {
            font-size: 12px;
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .proto-code {
            background: rgba(0,0,0,0.4); border-radius: 16px; padding: 20px;
            font-family: monospace; font-size: 12px; color: #64748b; line-height: 1.9;
            border: 1px solid rgba(255,255,255,0.06);
        }
        .proto-code .c-key { color: #94a3b8; }
        .proto-code .c-val { color: var(--brand-green); }
        .proto-code .c-str { color: #f59e0b; }
        .proto-tags-row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 20px; }
        .proto-pill { padding: 4px 12px; border-radius: 100px; font-size: 11px; font-weight: 500; }
        .pill-pop { background: rgba(245,158,11,0.15); color: var(--accent-orange); }
        .pill-sec { background: rgba(16,185,129,0.15); color: var(--brand-green); }
        .pill-fast { background: rgba(139,92,246,0.15); color: var(--accent-purple); }

        /* --- How to Use (Timeline) --- */
        .how-to-use { padding: 120px 0; background: #fff; }
        .timeline-wrap { max-width: 820px; margin: 0 auto; position: relative; }
        .timeline-wrap::before {
            content: ''; position: absolute; left: 36px; top: 12px; bottom: 12px;
            width: 2px; background: linear-gradient(180deg, var(--brand-green), var(--accent-orange), #8b5cf6);
            border-radius: 2px;
        }
        .tl-item { display: flex; gap: 36px; margin-bottom: 64px; position: relative; }
        .tl-item:last-child { margin-bottom: 0; }
        .tl-num {
            flex-shrink: 0; width: 74px; height: 74px; border-radius: 50%;
            background: var(--brand-green); color: #fff; font-size: 26px; font-weight: 700;
            font-family: var(--font-en); display: flex; align-items: center; justify-content: center;
            box-shadow: 0 0 0 6px var(--brand-green-light), 0 10px 30px var(--brand-green-glow);
            position: relative; z-index: 1; flex-direction: column; gap: 0; line-height: 1;
        }
        .tl-item:nth-child(2) .tl-num { background: var(--accent-orange); box-shadow: 0 0 0 6px rgba(245,158,11,0.1), 0 10px 30px rgba(245,158,11,0.3); }
        .tl-item:nth-child(3) .tl-num { background: var(--accent-purple); box-shadow: 0 0 0 6px rgba(139,92,246,0.1), 0 10px 30px rgba(139,92,246,0.3); }
        .tl-num .tl-step-label { font-size: 9px; font-weight: 400; opacity: 0.7; letter-spacing: 0.5px; font-family: 'Noto Sans SC', sans-serif; }
        .tl-content {
            flex: 1; background: var(--bg-light); border-radius: 24px; padding: 36px;
            border: 1px solid #e2e8f0; transition: 0.3s; margin-top: 4px;
        }
        .tl-content:hover { border-color: var(--brand-green); box-shadow: 0 8px 30px rgba(16,185,129,0.08); }
        .tl-content h3 { font-size: 20px; font-weight: 600; color: var(--dark-deep); margin-bottom: 12px; }
        .tl-content p { color: var(--text-muted); font-size: 14px; line-height: 1.9; font-weight: 300; margin-bottom: 16px; }
        .tl-tip {
            display: inline-flex; align-items: center; gap: 6px;
            background: var(--brand-green-light); padding: 7px 14px; border-radius: 100px;
            font-size: 12px; color: var(--brand-green); font-weight: 500;
        }
        .tl-item:nth-child(2) .tl-tip { background: rgba(245,158,11,0.08); color: var(--accent-orange); }
        .tl-item:nth-child(3) .tl-tip { background: rgba(139,92,246,0.08); color: var(--accent-purple); }
        .tl-cta { text-align: center; margin-top: 60px; }

        /* --- Download Section --- */
        .download { padding: 100px 0; background: var(--bg-light); }
        .dl-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
        .dl-card {
            background: #fff; border-radius: var(--radius-md); padding: 28px 20px; text-align: center;
            border: 2px solid #e2e8f0; transition: 0.3s; display: flex; flex-direction: column; gap: 12px;
            text-decoration: none; color: inherit;
        }
        .dl-card:hover { border-color: var(--brand-green); transform: translateY(-6px); box-shadow: 0 20px 40px rgba(16,185,129,0.1); }
        .dl-os-icon {
            font-size: 36px;
            color: var(--text-muted);
            transition: 0.3s;
        }
        .dl-card:hover .dl-os-icon {
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 2px 6px rgba(16,185,129,0.35));
        }
        .dl-os-name { font-size: 16px; font-weight: 500; color: var(--dark-deep); }
        .dl-client { font-size: 12px; color: var(--brand-green); font-weight: 400; }
        .dl-meta { font-size: 11px; color: var(--text-muted); line-height: 1.6; font-weight: 300; }
        .dl-btn {
            margin-top: auto; padding: 10px 0; background: var(--brand-green); color: #fff;
            border-radius: 100px; font-size: 13px; font-weight: 500; transition: 0.3s;
        }
        .dl-card:hover .dl-btn { background: #059669; }
        .dl-ios-note { font-size: 11px; color: var(--text-muted); line-height: 1.5; margin-top: -4px; font-weight: 400; }
        .dl-more { text-align: center; margin-top: 40px; }
        .dl-more a {
            color: var(--brand-green); font-weight: 500; text-decoration: none; font-size: 15px;
            border-bottom: 2px solid var(--brand-green-light); padding-bottom: 2px; transition: 0.3s;
        }
        .dl-more a:hover { border-color: var(--brand-green); }

        /* --- Comparison (Clash vs VPN) --- */
        .comparison { padding: 120px 0; background: var(--dark-deep); }
        .comparison .section-title { color: #fff; }
        .comparison .section-desc { color: #94a3b8; }
        .cmp-wrap { max-width: 900px; margin: 0 auto; }
        .cmp-header-row {
            display: grid; grid-template-columns: 2fr 1.2fr 1.2fr; gap: 0;
            margin-bottom: 12px;
        }
        .cmp-col-head {
            text-align: center; padding: 20px;
        }
        .cmp-col-head:first-child { text-align: left; }
        .cmp-badge-clash {
            background: var(--brand-green); color: #fff; padding: 8px 24px; border-radius: 100px;
            font-size: 14px; font-weight: 600; display: inline-block;
        }
        .cmp-badge-vpn {
            background: rgba(255,255,255,0.08); color: #94a3b8; padding: 8px 24px; border-radius: 100px;
            font-size: 14px; font-weight: 400; display: inline-block; border: 1px solid rgba(255,255,255,0.1);
        }
        .cmp-row {
            display: grid; grid-template-columns: 2fr 1.2fr 1.2fr; gap: 0;
            border-bottom: 1px solid rgba(255,255,255,0.05); transition: 0.2s;
        }
        .cmp-row:last-child { border-bottom: none; }
        .cmp-row:hover { background: rgba(255,255,255,0.02); }
        .cmp-cell {
            padding: 18px 20px; display: flex; align-items: center;
            font-size: 14px; color: #94a3b8; font-weight: 300;
        }
        .cmp-cell:first-child { font-weight: 400; color: #fff; font-size: 15px; }
        .cmp-cell:not(:first-child) { justify-content: center; }
        .cmp-yes { color: var(--brand-green); font-size: 18px; }
        .cmp-no { color: #475569; font-size: 18px; }
        .cmp-partial { color: var(--accent-orange); font-size: 13px; font-weight: 400; }
        .cmp-row:nth-child(odd) { background: rgba(255,255,255,0.01); }
        .cmp-highlight-col {
            background: rgba(16,185,129,0.04) !important;
            border-left: 1px solid rgba(16,185,129,0.1);
            border-right: 1px solid rgba(16,185,129,0.1);
        }

        /* --- Testimonials --- */
        .testimonials { padding: 120px 0; background: var(--bg-light); }
        .testi-layout {
            display: grid; grid-template-columns: 1.4fr 1fr 1fr; grid-template-rows: auto auto; gap: 20px;
        }
        .testi-card {
            background: #fff; border-radius: 24px; padding: 32px;
            border: 1px solid #e2e8f0; transition: 0.3s; position: relative;
        }
        .testi-card:hover { box-shadow: 0 16px 48px rgba(0,0,0,0.08); transform: translateY(-4px); border-color: transparent; }
        .testi-card.tall { grid-row: span 2; display: flex; flex-direction: column; justify-content: space-between; background: var(--dark-deep); border-color: rgba(16,185,129,0.2); }
        .testi-card.tall .testi-quote { color: rgba(255,255,255,0.8); }
        .testi-card.tall .testi-author { color: #fff; }
        .testi-card.tall .testi-role { color: #64748b; }
        .testi-quote-mark { font-size: 48px; color: var(--brand-green); line-height: 1; margin-bottom: 12px; font-family: Georgia, serif; opacity: 0.6; }
        .testi-quote { font-size: 15px; line-height: 1.8; color: var(--text-main); margin-bottom: 24px; font-weight: 300; }
        .testi-card.tall .testi-quote { font-size: 16px; color: rgba(255,255,255,0.8); }
        .testi-footer { display: flex; align-items: center; gap: 12px; }
        .testi-avatar {
            width: 44px; height: 44px; border-radius: 50%; background: var(--brand-green-light);
            display: flex; align-items: center; justify-content: center;
            font-size: 16px; font-weight: 600; color: var(--brand-green); flex-shrink: 0;
        }
        .testi-card.tall .testi-avatar { background: rgba(16,185,129,0.15); }
        .testi-author { font-weight: 600; font-size: 14px; color: var(--dark-deep); }
        .testi-role { font-size: 12px; color: var(--text-muted); margin-top: 2px; font-weight: 300; }
        .testi-stars { display: flex; gap: 3px; margin-bottom: 16px; }
        .testi-stars i { color: var(--accent-orange); font-size: 12px; }
        .testi-platform { position: absolute; top: 24px; right: 24px; font-size: 11px; color: var(--text-muted); font-weight: 400; letter-spacing: 0.5px; background: var(--bg-light); padding: 3px 10px; border-radius: 100px; }
        .testi-card.tall .testi-platform { background: rgba(255,255,255,0.06); color: #64748b; }

        /* --- FAQ Section --- */
        .faq { padding: 100px 0; background: #fff; }
        .faq-layout { display: grid; grid-template-columns: 1fr 1.8fr; gap: 80px; align-items: start; }
        .faq-sidebar { position: sticky; top: 100px; }
        .faq-sidebar-title { font-size: 28px; font-weight: 600; color: var(--dark-deep); margin-bottom: 16px; line-height: 1.3; }
        .faq-sidebar-desc { color: var(--text-muted); font-size: 14px; line-height: 1.8; margin-bottom: 28px; font-weight: 300; }
        .faq-sidebar-link {
            display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
            background: var(--brand-green); color: #fff; border-radius: 100px;
            font-size: 14px; font-weight: 500; text-decoration: none; transition: 0.3s;
        }
        .faq-sidebar-link:hover { background: #059669; transform: translateY(-2px); }
        .faq-list { display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            border: 1px solid #e2e8f0; border-radius: var(--radius-md); overflow: hidden; transition: 0.3s;
        }
        .faq-item.open { border-color: var(--brand-green); box-shadow: 0 4px 20px rgba(16,185,129,0.08); }
        .faq-q {
            padding: 22px 28px; display: flex; justify-content: space-between; align-items: center;
            cursor: pointer; font-weight: 500; font-size: 15px; color: var(--dark-deep);
            gap: 16px; user-select: none;
        }
        .faq-q .faq-arrow { flex-shrink: 0; width: 28px; height: 28px; border-radius: 50%; background: var(--bg-light); display: flex; align-items: center; justify-content: center; transition: 0.3s; font-size: 12px; color: var(--text-muted); }
        .faq-item.open .faq-q .faq-arrow { background: var(--brand-green-light); color: var(--brand-green); transform: rotate(180deg); }
        .faq-a { padding: 0 28px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; }
        .faq-item.open .faq-a { max-height: 300px; padding: 0 28px 22px; }
        .faq-a p { color: var(--text-muted); font-size: 14px; line-height: 1.9; font-weight: 300; border-top: 1px solid #f1f5f9; padding-top: 16px; }

        /* --- Blog Preview --- */
        .blog-preview { padding: 100px 0; background: var(--bg-light); }
        .blog-featured-layout { display: grid; grid-template-columns: 1.5fr 1fr; gap: 24px; margin-bottom: 24px; }
        .blog-card-featured {
            background: var(--dark-deep); border-radius: var(--radius-lg); overflow: hidden;
            text-decoration: none; color: inherit; display: flex; flex-direction: column;
            transition: 0.3s; position: relative; min-height: 440px;
        }
        .blog-card-featured:hover { transform: translateY(-6px); box-shadow: 0 30px 60px rgba(0,0,0,0.2); }
        .blog-featured-thumb {
            flex: 1; display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, #020617, #0f2a1a, #020617); padding: 40px;
            position: relative;
        }
        .blog-featured-icon { font-size: 80px; color: rgba(16,185,129,0.25); }
        .blog-featured-badge {
            position: absolute; top: 24px; left: 24px; background: var(--brand-green);
            color: #fff; padding: 5px 14px; border-radius: 100px;
            font-size: 11px; font-weight: 600; letter-spacing: 0.5px;
        }
        .blog-featured-body { padding: 28px; }
        .blog-featured-meta { font-size: 12px; color: #64748b; display: flex; gap: 16px; margin-bottom: 12px; font-weight: 300; }
        .blog-featured-meta span { display: flex; align-items: center; gap: 4px; }
        .blog-card-featured h3 { font-size: 20px; font-weight: 600; color: #fff; line-height: 1.4; margin-bottom: 10px; }
        .blog-card-featured p { font-size: 13px; color: #64748b; line-height: 1.7; font-weight: 300; }
        .blog-side-list { display: flex; flex-direction: column; gap: 16px; }
        .blog-card-side {
            background: #fff; border-radius: 20px; overflow: hidden; transition: 0.3s;
            border: 1px solid #e2e8f0; text-decoration: none; color: inherit;
            display: flex; flex-direction: column; flex: 1;
        }
        .blog-card-side:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(0,0,0,0.07); border-color: transparent; }
        .blog-side-thumb {
            height: 120px; background: linear-gradient(135deg, var(--dark-deep), #1e3a5f);
            display: flex; align-items: center; justify-content: center; position: relative;
        }
        .blog-side-thumb i { font-size: 36px; color: rgba(255,255,255,0.12); }
        .blog-side-icon { font-size: 36px; color: var(--brand-green); opacity: 0.5; position: absolute; }
        .blog-side-badge {
            position: absolute; top: 12px; left: 12px; padding: 3px 10px; border-radius: 100px;
            font-size: 10px; font-weight: 500; background: var(--brand-green-light); color: var(--brand-green);
        }
        .blog-side-body { padding: 18px; flex: 1; display: flex; flex-direction: column; gap: 8px; }
        .blog-side-meta { font-size: 11px; color: var(--text-muted); display: flex; gap: 10px; font-weight: 300; }
        .blog-card-side h3 { font-size: 14px; font-weight: 500; color: var(--dark-deep); line-height: 1.5; }
        .blog-card-side p { font-size: 12px; color: var(--text-muted); line-height: 1.6; flex: 1; font-weight: 300; }
        .blog-card-link { font-size: 12px; font-weight: 500; color: var(--brand-green); display: flex; align-items: center; gap: 4px; margin-top: auto; }
        .blog-more { text-align: center; margin-top: 40px; }
        .blog-more a {
            display: inline-flex; align-items: center; gap: 8px; padding: 14px 36px;
            border: 2px solid var(--brand-green); color: var(--brand-green);
            border-radius: 100px; font-weight: 500; text-decoration: none; font-size: 15px; transition: 0.3s;
        }
        .blog-more a:hover { background: var(--brand-green); color: #fff; }

        /* --- CTA Banner --- */
        .cta-banner { padding: 80px 0; background: linear-gradient(135deg, var(--dark-deep) 0%, #0f2a1a 100%); }
        .cta-inner { text-align: center; }
        .cta-inner h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 600; color: #fff; margin-bottom: 16px; }
        .cta-inner p { color: #94a3b8; font-size: 16px; line-height: 1.7; max-width: 560px; margin: 0 auto 36px; font-weight: 300; }
        .cta-btns { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .cta-btn-main {
            padding: 16px 40px; background: var(--brand-green); color: #fff; font-weight: 500;
            font-size: 16px; border-radius: 100px; text-decoration: none;
            box-shadow: 0 10px 30px var(--brand-green-glow); transition: 0.3s;
        }
        .cta-btn-main:hover { transform: translateY(-3px); background: #059669; }
        .cta-btn-ghost {
            padding: 16px 40px; background: transparent; color: #fff; font-weight: 400;
            font-size: 16px; border-radius: 100px; text-decoration: none;
            border: 2px solid rgba(255,255,255,0.2); transition: 0.3s;
        }
        .cta-btn-ghost:hover { border-color: rgba(255,255,255,0.5); transform: translateY(-3px); }

        /* --- Footer --- */
        footer { padding: 80px 0 40px; background: #f8fafc; color: #64748b; font-size: 14px; }
        .footer-flex { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 60px; gap: 40px; }
        .footer-brand { max-width: 280px; }
        .footer-logo { font-family: var(--font-en); font-size: 22px; font-weight: 700; color: #000; text-decoration: none; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
        .footer-logo i {
            background: linear-gradient(135deg, #34d399, #10b981);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 1px 4px rgba(16,185,129,0.35));
        }
        .footer-logo-img { width: 26px; height: 26px; object-fit: cover; display: block; border-radius: 6px; box-shadow: 0 2px 6px rgba(16,185,129,0.2); }
        .footer-tagline { line-height: 1.8; font-size: 13px; color: var(--text-muted); font-weight: 300; margin-bottom: 16px; }

        /* Footer social icon buttons */
        .footer-social { display: flex; gap: 8px; margin-top: 4px; }
        .footer-social-btn {
            width: 34px; height: 34px; border-radius: 10px;
            background: #fff; border: 1.5px solid #e2e8f0;
            display: flex; align-items: center; justify-content: center;
            text-decoration: none; transition: all 0.22s ease;
            font-size: 14px; color: var(--text-muted);
        }
        .footer-social-btn:hover {
            border-color: var(--brand-green);
            background: rgba(16,185,129,0.06);
        }
        .footer-social-btn:hover i {
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-links { display: flex; gap: 60px; }
        .f-col h5 {
            color: var(--dark-deep); margin-bottom: 20px; font-weight: 500; font-size: 14px;
            display: flex; align-items: center; gap: 7px;
        }
        .f-col-icon {
            font-size: 13px;
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .f-col a {
            display: flex; align-items: center; gap: 8px;
            color: var(--text-muted); text-decoration: none; margin-bottom: 12px;
            transition: 0.22s; font-size: 13px; font-weight: 300;
        }
        .f-col a i { font-size: 11px; color: #cbd5e1; transition: 0.22s; flex-shrink: 0; }
        .f-col a:hover { color: var(--brand-green); padding-left: 3px; }
        .f-col a:hover i {
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-bottom { border-top: 1px solid #e2e8f0; padding-top: 30px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 16px; }
        .footer-bottom-links { display: flex; gap: 24px; }
        .footer-bottom-links a { color: var(--text-muted); text-decoration: none; font-size: 13px; transition: 0.3s; font-weight: 300; }
        .footer-bottom-links a:hover { color: var(--brand-green); }

        /* --- Responsive --- */
        @media (max-width: 1024px) {
            .dl-grid { grid-template-columns: repeat(3, 1fr); }
            .bento-grid { grid-template-columns: repeat(2, 1fr); }
            .bento-span2 { grid-column: span 1; }
            .bento-span2-row { grid-column: span 2; }
            .proto-split { grid-template-columns: 1fr; }
            .proto-detail-panel { position: static; }
            .cmp-header-row, .cmp-row { grid-template-columns: 2fr 1fr 1fr; }
            .testi-layout { grid-template-columns: 1fr 1fr; }
            .testi-card.tall { grid-row: span 1; }
            .faq-layout { grid-template-columns: 1fr; }
            .faq-sidebar { position: static; }
            .blog-featured-layout { grid-template-columns: 1fr; }
        }

        @media (max-width: 992px) {
            .hero-title { font-size: 50px; letter-spacing: -2px; }
            .hub-visual { gap: 10px; }
            .panel-side { display: none; }
            .use-case-row { grid-template-columns: 1fr; gap: 40px; }
            .use-case-row.reverse .uc-visual { order: 0; }
            .use-case-row.reverse .uc-content { order: 0; }
            .testi-layout { grid-template-columns: 1fr; }
            .footer-flex { flex-direction: column; }
            .footer-links { flex-wrap: wrap; gap: 40px; }
        }

        @media (max-width: 768px) {
            .hero { padding: 140px 0 60px; overflow: hidden; }
            .hero-title { font-size: 38px; letter-spacing: -1px; }
            .hero-desc { font-size: 16px; }
            .hero-stage { display: none; }
            .bento-split { flex-direction: column; gap: 24px; }
            .dl-grid { grid-template-columns: repeat(2, 1fr); }
            .blog-side-list { flex-direction: column; }
            .bento-grid { grid-template-columns: 1fr; }
            .bento-span2-row { grid-column: span 1; flex-direction: column; }
            .cmp-header-row, .cmp-row { grid-template-columns: 1.5fr 1fr 1fr; }
            .cmp-cell { font-size: 12px; padding: 14px 12px; }
            .cmp-badge-clash, .cmp-badge-vpn { padding: 6px 10px; font-size: 12px; white-space: nowrap; }
            .cmp-col-head { padding: 12px 6px; }
            .nav-links { display: none; }
            .nav-right { display: none; }
            .nav-hamburger { display: flex; }
            .tl-item { flex-direction: column; gap: 20px; }
            .timeline-wrap::before { display: none; }
            .tl-num { width: 56px; height: 56px; font-size: 20px; }
            .proto-features { grid-template-columns: 1fr; }
        }

        /* --- Language Switcher --- */
        .lang-switch { position: relative; }
        .lang-btn {
            display: flex; align-items: center; gap: 6px;
            padding: 8px 14px; background: transparent;
            border: 1.5px solid rgba(0,0,0,0.12); border-radius: 100px;
            cursor: pointer; font-size: 14px; color: var(--text-main);
            font-family: inherit; transition: 0.3s; white-space: nowrap;
        }
        .lang-btn:hover { border-color: var(--brand-green); color: var(--brand-green); }
        .lang-btn .fa-globe {
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 0 3px rgba(16,185,129,0.3));
        }
        .lang-btn-arrow { font-size: 10px; opacity: 0.6; transition: transform 0.2s; }
        .lang-dropdown.open + * .lang-btn-arrow,
        .lang-switch:has(.lang-dropdown.open) .lang-btn-arrow { transform: rotate(180deg); }
        .lang-dropdown {
            position: absolute; top: calc(100% + 8px); right: 0;
            background: #fff; border-radius: 12px;
            box-shadow: 0 8px 32px rgba(0,0,0,0.12);
            border: 1px solid rgba(0,0,0,0.08); min-width: 140px;
            display: none; z-index: 200; overflow: hidden;
        }
        .lang-dropdown.open { display: block; }
        .lang-option {
            display: block; padding: 10px 16px; text-decoration: none;
            color: var(--text-main); font-size: 14px; transition: 0.2s;
        }
        .lang-option:hover { background: var(--brand-green-light); color: var(--brand-green); }
        .lang-option.current { color: var(--brand-green); font-weight: 600; }

        /* --- Hamburger Button --- */
        .nav-hamburger {
            flex-direction: column; justify-content: center; align-items: center;
            gap: 5px; width: 40px; height: 40px;
            background: transparent; border: none; cursor: pointer;
            padding: 4px; border-radius: 8px; transition: background 0.2s;
            flex-shrink: 0;
        }
        .nav-hamburger:hover { background: rgba(16,185,129,0.08); }
        .nav-hamburger span {
            display: block; width: 22px; height: 2px;
            background: var(--text-main); border-radius: 2px;
            transition: transform 0.3s ease, opacity 0.3s ease;
            transform-origin: center;
        }
        .nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
        .nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* --- Mobile Nav Overlay --- */
        /* z-index must exceed header's 1000 so the overlay covers the full
           viewport (including the header bar) when the drawer is open.      */
        .mobile-nav-overlay {
            position: fixed; inset: 0; z-index: 1001;
            background: rgba(0,0,0,0.35); backdrop-filter: blur(2px);
            opacity: 0; visibility: hidden; pointer-events: none;
            transition: opacity 0.3s ease, visibility 0s linear 0.3s;
        }
        .mobile-nav-overlay.open {
            opacity: 1; visibility: visible; pointer-events: auto;
            transition: opacity 0.3s ease, visibility 0s linear 0s;
        }

        /* --- Mobile Nav Drawer --- */
        .mobile-nav {
            display: flex; position: fixed; top: 0; right: 0;
            width: min(320px, 85vw); height: 100dvh;
            background: #fff; z-index: 1002;
            flex-direction: column;
            padding: 80px 24px 40px;
            box-shadow: -4px 0 40px rgba(0,0,0,0.12);
            transform: translateX(105%);
            opacity: 0; visibility: hidden; pointer-events: none;
            transition: transform 0.38s cubic-bezier(0.4,0,0.2,1),
                        opacity 0.38s ease,
                        visibility 0s linear 0.38s;
            overflow-y: auto;
        }
        .mobile-nav.open {
            transform: translateX(0);
            opacity: 1; visibility: visible; pointer-events: auto;
            transition: transform 0.38s cubic-bezier(0.4,0,0.2,1),
                        opacity 0.38s ease,
                        visibility 0s linear 0s;
        }
        body.mobile-nav-active { overflow: hidden; }

        /* --- Staggered entrance for items inside drawer --- */
        .mobile-nav-links a,
        .mobile-lang-row,
        .mobile-nav-cta {
            opacity: 0;
            transform: translateX(18px);
            transition: opacity 0.28s ease, transform 0.28s ease;
        }
        .mobile-nav.open .mobile-nav-links a,
        .mobile-nav.open .mobile-lang-row,
        .mobile-nav.open .mobile-nav-cta {
            opacity: 1;
            transform: translateX(0);
        }
        .mobile-nav.open .mobile-nav-links a:nth-child(1) { transition-delay: 0.13s; }
        .mobile-nav.open .mobile-nav-links a:nth-child(2) { transition-delay: 0.19s; }
        .mobile-nav.open .mobile-nav-links a:nth-child(3) { transition-delay: 0.25s; }
        .mobile-nav.open .mobile-nav-links a:nth-child(4) { transition-delay: 0.31s; }
        .mobile-nav.open .mobile-lang-row                 { transition-delay: 0.37s; }
        .mobile-nav.open .mobile-nav-cta                  { transition-delay: 0.43s; }

        /* Nav links inside mobile drawer */
        .mobile-nav-links {
            display: flex; flex-direction: column; gap: 4px; margin-bottom: 32px;
        }
        .mobile-nav-links a {
            display: flex; align-items: center; gap: 12px;
            padding: 14px 16px; border-radius: 12px;
            text-decoration: none; color: var(--text-main);
            font-size: 16px; font-weight: 500;
            transition: background 0.2s, color 0.2s, opacity 0.28s ease, transform 0.28s ease;
        }
        .mobile-nav-links a i { width: 18px; text-align: center; color: #94a3b8; font-size: 15px; }
        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            background: var(--brand-green-light); color: var(--brand-green);
        }
        .mobile-nav-links a:hover i,
        .mobile-nav-links a.active i {
            background: linear-gradient(135deg, #10b981, #34d399);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            filter: drop-shadow(0 1px 3px rgba(16,185,129,0.35));
        }

        /* Language row in mobile drawer */
        .mobile-lang-row {
            display: flex; align-items: center; flex-wrap: wrap; gap: 6px;
            padding: 16px; background: #f8fafc; border-radius: 12px;
            margin-bottom: 24px;
            transition: opacity 0.28s ease, transform 0.28s ease;
        }
        .mobile-lang-label { color: #94a3b8; font-size: 15px; margin-right: 4px; }
        .mobile-lang-option {
            padding: 5px 12px; border-radius: 100px; font-size: 13px;
            text-decoration: none; color: var(--text-muted);
            border: 1px solid transparent; transition: 0.2s;
        }
        .mobile-lang-option:hover { border-color: var(--brand-green); color: var(--brand-green); }
        .mobile-lang-option.current {
            background: var(--brand-green); color: #fff; font-weight: 600;
        }

        /* CTA button in mobile drawer */
        .mobile-nav-cta {
            display: flex; align-items: center; justify-content: center; gap: 8px;
            padding: 14px 24px; background: var(--brand-green); color: #fff;
            border-radius: 100px; font-weight: 600; font-size: 15px;
            text-decoration: none; transition: background 0.2s, transform 0.28s ease, opacity 0.28s ease;
        }
        .mobile-nav-cta:hover { background: #059669; transform: translateY(-1px); }