/* ===== VynMed Brand Tokens ===== */
        :root {
            --deep-blue: #065A82;
            --deep-blue-hover: #084e6f;
            --deep-blue-dark: #03415f;
            --teal: #1C7293;
            --midnight: #21295C;
            --midnight-2: #2b3470;
            --paper: #F7F8FA;
            --cloud: #EEF1F5;
            --line: #E5E7EB;
            --graphite: #4B5563;
            --graphite-2: #6B7280;
            --ink: #0F1629;
            --ink-2: #1F2937;
            --quiet-ice: #DBE7FB;
            --quiet-ice-2: #EEF4FE;
            --moss: #97BC62;
            --coral: #F96167;
            --white: #FFFFFF;
            --surface: #FFFFFF;
            --surface-2: #F7F8FA;
            --border: #E5E7EB;
            --shadow-xs: 0 1px 2px rgba(15, 22, 41, 0.05);
            --shadow-sm: 0 2px 4px rgba(15, 22, 41, 0.06), 0 1px 2px rgba(15, 22, 41, 0.04);
            --shadow-md: 0 8px 24px rgba(15, 22, 41, 0.08), 0 2px 6px rgba(15, 22, 41, 0.04);
            --shadow-lg: 0 24px 48px rgba(15, 22, 41, 0.12), 0 8px 16px rgba(15, 22, 41, 0.06);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --max-width: 1200px;
            --gutter: 1.5rem;
        }
        @media (min-width: 720px) { :root { --gutter: 2rem; } }

        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--graphite);
            background: var(--surface);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-feature-settings: 'ss01', 'cv11';
        }
        img, svg { display: block; max-width: 100%; }
        a { color: var(--deep-blue); text-decoration: none; }
        a:hover { color: var(--deep-blue-hover); }

        h1, h2, h3, h4 { color: var(--ink); font-weight: 700; line-height: 1.15; letter-spacing: -0.022em; }
        h1 {
            font-family: 'DM Serif Display', 'Inter', Georgia, serif;
            font-size: clamp(2.5rem, 5.5vw, 4.25rem);
            font-weight: 700;
            letter-spacing: -0.035em;
            line-height: 1.05;
        }
        h2 {
            font-family: 'DM Serif Display', 'Inter', Georgia, serif;
            font-size: clamp(1.875rem, 3.6vw, 2.75rem);
            font-weight: 600;
            letter-spacing: -0.025em;
        }
        h3 { font-size: 1.125rem; font-weight: 700; }
        p { color: var(--graphite); }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--gutter);
        }

        /* ===== Skip link (a11y) ===== */
        .skip-link {
            position: absolute;
            top: -48px;
            left: 0;
            background: var(--deep-blue);
            color: var(--white);
            padding: 0.625rem 1rem;
            z-index: 1000;
            font-weight: 600;
            border-radius: 0 0 var(--radius-sm) 0;
        }
        .skip-link:focus { top: 0; color: var(--white); }

        /* ===== Announcement bar ===== */
        .announce {
            background: var(--midnight);
            color: var(--white);
            font-size: 0.8125rem;
            padding: 0.5rem var(--gutter);
            text-align: center;
            letter-spacing: 0.01em;
        }
        .announce a { color: var(--quiet-ice); font-weight: 600; }
        .announce a:hover { color: var(--white); }
        .announce .dot {
            display: inline-block;
            width: 6px;
            height: 6px;
            background: var(--moss);
            border-radius: 50%;
            margin-right: 0.5rem;
            vertical-align: middle;
        }

        /* ===== Header ===== */
        .site-header {
            position: sticky;
            top: 0;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: saturate(180%) blur(12px);
            -webkit-backdrop-filter: saturate(180%) blur(12px);
            border-bottom: 1px solid var(--line);
            z-index: 100;
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .brand {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--ink);
            letter-spacing: -0.025em;
        }
        .brand-logo {
            height: 44px;
            width: auto;
            display: block;
        }
        @media (max-width: 640px) {
            .brand-logo { height: 36px; }
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 2.25rem;
        }
        .nav a {
            color: var(--graphite);
            font-weight: 500;
            font-size: 0.9375rem;
            transition: color 0.15s;
        }
        .nav a:hover { color: var(--ink); }
        .nav .cta-compact {
            background: var(--deep-blue);
            color: var(--white);
            padding: 0.625rem 1.125rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: var(--shadow-xs);
        }
        .nav .cta-compact:hover { background: var(--deep-blue-hover); color: var(--white); box-shadow: var(--shadow-sm); }
        .nav-toggle {
            display: none;
            background: none;
            border: 0;
            color: var(--ink);
            font-size: 1.375rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        @media (max-width: 840px) {
            .nav {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                gap: 0;
                background: var(--surface);
                border-bottom: 1px solid var(--line);
                padding: 1rem 1.5rem 1.5rem;
                box-shadow: var(--shadow-md);
            }
            .nav.open { display: flex; }
            .nav a { padding: 0.875rem 0; border-bottom: 1px solid var(--line); width: 100%; }
            .nav a:last-child { border-bottom: 0; }
            .nav .cta-compact { margin-top: 0.75rem; text-align: center; }
            .nav-toggle { display: block; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 5.5rem 0 5rem;
            background: var(--paper);
            overflow: hidden;
            border-bottom: 1px solid var(--line);
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image:
                radial-gradient(circle at 1px 1px, rgba(15, 22, 41, 0.06) 1px, transparent 0);
            background-size: 28px 28px;
            mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, black, transparent 75%);
            -webkit-mask-image: radial-gradient(ellipse 100% 70% at 50% 0%, black, transparent 75%);
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            display: grid;
            grid-template-columns: 1.15fr 0.85fr;
            gap: 4rem;
            align-items: center;
        }
        @media (max-width: 980px) {
            .hero-inner { grid-template-columns: 1fr; gap: 3rem; }
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: var(--surface);
            color: var(--midnight);
            padding: 0.375rem 0.875rem 0.375rem 0.5rem;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1.5rem;
            border: 1px solid var(--line);
            box-shadow: var(--shadow-xs);
        }
        .hero-badge::before {
            content: "";
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--moss);
            box-shadow: 0 0 0 3px rgba(151, 188, 98, 0.2);
        }
        .hero h1 {
            color: var(--ink);
            margin-bottom: 1.5rem;
        }
        .hero h1 .highlight {
            color: var(--deep-blue);
            font-style: italic;
            font-weight: 700;
        }
        .hero-sub {
            font-size: 1.1875rem;
            color: var(--graphite);
            margin-bottom: 2.25rem;
            max-width: 36rem;
            line-height: 1.55;
        }
        .cta-row {
            display: flex;
            gap: 0.875rem;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9375rem 1.5rem;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.9375rem;
            border: 1px solid transparent;
            cursor: pointer;
            transition: transform 0.15s, background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
            line-height: 1;
        }
        .btn-primary {
            background: var(--deep-blue);
            color: var(--white);
            box-shadow: 0 4px 14px rgba(6, 90, 130, 0.25);
        }
        .btn-primary:hover {
            background: var(--deep-blue-hover);
            color: var(--white);
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(6, 90, 130, 0.3);
        }
        .btn-secondary {
            background: var(--surface);
            color: var(--ink);
            border-color: var(--line);
            box-shadow: var(--shadow-xs);
        }
        .btn-secondary:hover { border-color: var(--deep-blue); color: var(--deep-blue); }
        .btn-arrow {
            width: 16px;
            height: 16px;
            transition: transform 0.2s;
        }
        .btn:hover .btn-arrow { transform: translateX(2px); }

        .hero-trust {
            display: flex;
            align-items: center;
            gap: 1.25rem;
            margin-top: 2.25rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--line);
            flex-wrap: wrap;
        }
        .hero-trust-label {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--graphite-2);
        }
        .hero-trust-items {
            display: flex;
            gap: 1.25rem;
            flex-wrap: wrap;
        }
        .hero-trust-item {
            font-size: 0.8125rem;
            color: var(--graphite);
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
        }
        .hero-trust-item svg { color: var(--teal); flex-shrink: 0; }

        /* Hero device card */
        .hero-visual {
            position: relative;
        }
        .hero-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .hero-card::before {
            content: "";
            position: absolute;
            inset: -1px;
            border-radius: var(--radius-xl);
            padding: 1px;
            background: linear-gradient(160deg, rgba(6, 90, 130, 0.3), rgba(6, 90, 130, 0) 60%);
            -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
            -webkit-mask-composite: xor;
            mask-composite: exclude;
            pointer-events: none;
        }
        .device-window {
            background: linear-gradient(160deg, var(--midnight) 0%, var(--ink) 100%);
            border-radius: var(--radius-lg);
            padding: 1.25rem 1.25rem 1.5rem;
            color: var(--white);
            margin-bottom: 1.25rem;
        }
        .device-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.75rem;
            opacity: 0.7;
            letter-spacing: 0.04em;
            text-transform: uppercase;
            margin-bottom: 1rem;
        }
        .device-top .live {
            display: inline-flex;
            align-items: center;
            gap: 0.375rem;
            color: var(--moss);
        }
        .device-top .live::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--moss);
            box-shadow: 0 0 0 3px rgba(151, 188, 98, 0.25);
            animation: pulse 1.8s ease-in-out infinite;
        }
        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 0 3px rgba(151, 188, 98, 0.25); }
            50% { box-shadow: 0 0 0 5px rgba(151, 188, 98, 0.12); }
        }
        .device-result {
            display: flex;
            align-items: baseline;
            gap: 0.625rem;
            margin-bottom: 0.25rem;
        }
        .device-result .label {
            font-size: 0.8125rem;
            opacity: 0.65;
        }
        .device-result .value {
            font-family: 'DM Serif Display', Georgia, serif;
            font-size: 1.625rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        .device-result .value.pass { color: var(--moss); }
        .device-strip {
            height: 8px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 4px;
            margin-top: 1rem;
            overflow: hidden;
            position: relative;
        }
        .device-strip::after {
            content: "";
            position: absolute;
            inset: 0;
            width: 72%;
            background: linear-gradient(90deg, var(--teal), var(--moss));
            border-radius: 4px;
        }
        .device-meta {
            display: flex;
            justify-content: space-between;
            font-size: 0.6875rem;
            opacity: 0.55;
            margin-top: 0.5rem;
            letter-spacing: 0.04em;
        }
        .hero-card-list {
            list-style: none;
            display: grid;
            gap: 0.625rem;
        }
        .hero-card-list li {
            display: flex;
            gap: 0.625rem;
            align-items: flex-start;
            font-size: 0.875rem;
            color: var(--ink);
            font-weight: 500;
        }
        .hero-card-list li .check {
            flex: 0 0 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--quiet-ice);
            color: var(--deep-blue);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-top: 2px;
        }

        /* ===== Section scaffolding ===== */
        section { padding: 5.5rem 0; }
        .section-header {
            text-align: center;
            max-width: 42rem;
            margin: 0 auto 3.5rem;
        }
        .eyebrow {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--teal);
            margin-bottom: 0.875rem;
        }
        .section-header h2 { margin-bottom: 0.875rem; }
        .section-header p {
            font-size: 1.0625rem;
            color: var(--graphite);
            line-height: 1.6;
        }

        /* ===== Problem strip ===== */
        .problem {
            background: var(--paper);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .problem-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 840px) {
            .problem-grid { grid-template-columns: 1fr; }
        }
        .problem-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 1.75rem;
            position: relative;
            transition: transform 0.2s, box-shadow 0.2s;
        }
        .problem-card::before {
            content: "";
            position: absolute;
            top: 1.75rem;
            left: 0;
            width: 3px;
            height: 24px;
            background: var(--coral);
            border-radius: 0 2px 2px 0;
        }
        .problem-card:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .problem-card h3 {
            color: var(--ink);
            font-size: 1.0625rem;
            margin-bottom: 0.5rem;
        }
        .problem-card p {
            color: var(--graphite);
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        /* ===== How It Works (4 in a row) ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1rem;
            position: relative;
        }
        @media (max-width: 1020px) {
            .steps { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 540px) {
            .steps { grid-template-columns: 1fr; }
        }
        .step {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 1.875rem 1.5rem;
            text-align: left;
            transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
            position: relative;
        }
        .step:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--quiet-ice);
        }
        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(160deg, var(--deep-blue), var(--midnight));
            color: var(--white);
            border-radius: 10px;
            font-weight: 800;
            font-size: 1rem;
            margin-bottom: 1.25rem;
            box-shadow: 0 4px 12px rgba(6, 90, 130, 0.2);
        }
        .step h3 {
            font-size: 1.0625rem;
            margin-bottom: 0.5rem;
        }
        .step p {
            font-size: 0.9375rem;
            color: var(--graphite);
            line-height: 1.55;
        }

        /* ===== Stats ===== */
        .stats {
            background: var(--midnight);
            color: var(--white);
            position: relative;
            overflow: hidden;
        }
        .stats::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.04) 1px, transparent 0);
            background-size: 32px 32px;
            pointer-events: none;
        }
        .stats .container { position: relative; }
        .stats h2 { color: var(--white); }
        .stats .eyebrow { color: var(--quiet-ice); }
        .stats .section-header p { color: rgba(255, 255, 255, 0.72); }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 0;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }
        @media (max-width: 880px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }
        .stat {
            padding: 2rem 1.5rem;
            text-align: center;
            border-right: 1px solid rgba(255, 255, 255, 0.08);
            position: relative;
        }
        .stat:last-child { border-right: 0; }
        @media (max-width: 880px) {
            .stat:nth-child(2) { border-right: 0; }
            .stat:nth-child(-n+2) { border-bottom: 1px solid rgba(255, 255, 255, 0.08); }
        }
        .stat-num {
            font-family: 'DM Serif Display', Georgia, serif;
            font-size: 3rem;
            font-weight: 700;
            color: var(--white);
            letter-spacing: -0.035em;
            line-height: 1;
            margin-bottom: 0.625rem;
        }
        .stat-label {
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.65);
            text-transform: uppercase;
            letter-spacing: 0.08em;
            font-weight: 600;
        }

        /* ===== Features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        @media (max-width: 980px) {
            .features-grid { grid-template-columns: 1fr; }
        }
        .feature {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 2.25rem 1.875rem;
            transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
        }
        .feature:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
            border-color: var(--quiet-ice);
        }
        .feature-icon {
            width: 48px;
            height: 48px;
            background: var(--quiet-ice-2);
            color: var(--deep-blue);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1.375rem;
            border: 1px solid var(--quiet-ice);
        }
        .feature h3 {
            margin-bottom: 0.625rem;
            font-size: 1.125rem;
        }
        .feature p {
            color: var(--graphite);
            font-size: 0.9375rem;
            line-height: 1.6;
        }

        /* ===== Patent strip ===== */
        .patent {
            background: var(--paper);
            border-top: 1px solid var(--line);
            border-bottom: 1px solid var(--line);
        }
        .patent-inner {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 4rem;
            align-items: center;
        }
        @media (max-width: 880px) {
            .patent-inner { grid-template-columns: 1fr; gap: 2.5rem; }
        }
        .patent-seal {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-xl);
            padding: 2.5rem 2rem;
            text-align: center;
            box-shadow: var(--shadow-md);
            position: relative;
            overflow: hidden;
        }
        .patent-seal::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--deep-blue), var(--teal), var(--deep-blue));
        }
        .patent-seal-ring {
            width: 128px;
            height: 128px;
            margin: 0 auto 1.25rem;
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .patent-seal-ring svg {
            width: 100%;
            height: 100%;
            position: absolute;
            inset: 0;
        }
        .patent-seal-ring .inner {
            position: relative;
            z-index: 1;
            width: 88px;
            height: 88px;
            border-radius: 50%;
            background: linear-gradient(160deg, var(--deep-blue), var(--midnight));
            color: var(--white);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            box-shadow: 0 4px 16px rgba(6, 90, 130, 0.3);
        }
        .patent-seal-ring .inner .us {
            font-size: 0.625rem;
            letter-spacing: 0.12em;
            opacity: 0.8;
            margin-bottom: 0.125rem;
        }
        .patent-seal-ring .inner .stars {
            font-size: 0.75rem;
            letter-spacing: 0.1em;
        }
        .patent-seal-ring .inner .pt {
            font-family: 'DM Serif Display', Georgia, serif;
            font-size: 1.375rem;
            font-weight: 700;
            line-height: 1;
            margin-top: 0.125rem;
        }
        .patent-seal .patent-label {
            font-size: 0.6875rem;
            font-weight: 700;
            letter-spacing: 0.14em;
            text-transform: uppercase;
            color: var(--teal);
            margin-bottom: 0.375rem;
        }
        .patent-seal .patent-num {
            font-family: 'DM Serif Display', Georgia, serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--ink);
            letter-spacing: -0.01em;
            margin-bottom: 0.375rem;
        }
        .patent-seal .patent-country {
            font-size: 0.8125rem;
            color: var(--graphite-2);
            letter-spacing: 0.02em;
        }
        .patent-content h2 { margin-bottom: 1.125rem; }
        .patent-content p {
            font-size: 1rem;
            line-height: 1.65;
            margin-bottom: 1rem;
        }
        .patent-content p:last-child { margin-bottom: 0; }

        /* ===== CTA band ===== */
        .cta-band {
            background: linear-gradient(160deg, var(--deep-blue) 0%, var(--midnight) 100%);
            color: var(--white);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: radial-gradient(circle at 1px 1px, rgba(255, 255, 255, 0.06) 1px, transparent 0);
            background-size: 28px 28px;
            mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent 70%);
            -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black, transparent 70%);
            pointer-events: none;
        }
        .cta-band .container { position: relative; }
        .cta-band h2 { color: var(--white); margin-bottom: 1rem; }
        .cta-band p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.0625rem;
            max-width: 38rem;
            margin: 0 auto 2.25rem;
            line-height: 1.6;
        }
        .cta-band .cta-row { justify-content: center; }
        .cta-band .btn-primary {
            background: var(--white);
            color: var(--deep-blue);
            box-shadow: 0 4px 14px rgba(0, 0, 0, 0.15);
        }
        .cta-band .btn-primary:hover { background: #F0F4F8; color: var(--deep-blue); }
        .cta-band .btn-secondary {
            background: transparent;
            color: var(--white);
            border-color: rgba(255, 255, 255, 0.3);
            box-shadow: none;
        }
        .cta-band .btn-secondary:hover { border-color: var(--white); color: var(--white); background: rgba(255, 255, 255, 0.06); }

        /* ===== Footer ===== */
        footer {
            background: var(--ink);
            color: rgba(255, 255, 255, 0.72);
            padding: 3.5rem 0 2rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2.5rem;
            padding-bottom: 2.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 840px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
        }
        @media (max-width: 540px) {
            .footer-grid { grid-template-columns: 1fr; }
        }
        .footer-brand .brand {
            color: var(--white);
            margin-bottom: 1rem;
        }
        .footer-brand p {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 22rem;
            margin-bottom: 1.25rem;
            line-height: 1.6;
        }
        .footer-contact {
            display: grid;
            gap: 0.5rem;
            font-size: 0.9375rem;
        }
        .footer-contact a {
            color: rgba(255, 255, 255, 0.82);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .footer-contact a:hover { color: var(--white); }
        .footer-contact svg { color: var(--quiet-ice); opacity: 0.8; }
        footer h4 {
            color: var(--white);
            font-size: 0.75rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            margin-bottom: 1rem;
        }
        .footer-list {
            list-style: none;
            display: grid;
            gap: 0.625rem;
        }
        .footer-list a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9375rem;
            transition: color 0.15s;
        }
        .footer-list a:hover { color: var(--white); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1.75rem;
            font-size: 0.8125rem;
            color: rgba(255, 255, 255, 0.48);
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .footer-bottom a { color: rgba(255, 255, 255, 0.48); }
        .footer-bottom a:hover { color: var(--white); }

        /* ===== Focus styles (a11y) ===== */
        a:focus-visible, button:focus-visible, .btn:focus-visible {
            outline: 3px solid var(--teal);
            outline-offset: 2px;
            border-radius: 6px;
        }

        /* ===== Contact / Request Demo ===== */
        .contact {
            background: var(--paper);
            border-top: 1px solid var(--line);
            padding: clamp(3rem, 6vw, 5rem) 0;
        }
        .contact-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(2rem, 5vw, 4rem);
            align-items: start;
        }
        @media (max-width: 860px) {
            .contact-inner { grid-template-columns: 1fr; }
        }
        .contact-copy h2 { margin-bottom: 1rem; }
        .contact-copy p {
            color: var(--graphite);
            font-size: 1.0625rem;
            max-width: 36ch;
            margin-bottom: 1.75rem;
        }
        .contact-methods {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .contact-method {
            display: inline-flex;
            align-items: center;
            gap: 0.625rem;
            color: var(--ink);
            font-weight: 500;
            text-decoration: none;
            font-size: 0.9375rem;
        }
        .contact-method svg { color: var(--deep-blue); flex-shrink: 0; }
        .contact-method:hover { color: var(--deep-blue); }

        .contact-form {
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: clamp(1.5rem, 3vw, 2rem);
            box-shadow: var(--shadow-md);
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .contact-form .field {
            display: flex;
            flex-direction: column;
            gap: 0.375rem;
        }
        .contact-form label {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--ink);
            letter-spacing: 0.01em;
        }
        .contact-form .optional {
            font-weight: 400;
            color: var(--graphite-2);
            font-size: 0.75rem;
        }
        .contact-form input,
        .contact-form textarea {
            font: inherit;
            color: var(--ink);
            background: var(--surface);
            border: 1px solid var(--line);
            border-radius: var(--radius);
            padding: 0.75rem 0.875rem;
            transition: border-color 0.15s ease, box-shadow 0.15s ease;
        }
        .contact-form input:focus,
        .contact-form textarea:focus {
            outline: none;
            border-color: var(--deep-blue);
            box-shadow: 0 0 0 3px rgba(6, 90, 130, 0.15);
        }
        .contact-form textarea { resize: vertical; min-height: 5rem; }
        .contact-form button {
            align-self: flex-start;
            margin-top: 0.5rem;
        }
        .contact-form .form-status {
            margin: 0;
            font-size: 0.8125rem;
            color: var(--graphite-2);
            min-height: 1.2em;
        }

        
        .contact-card {
            background: var(--surface);
            border: 1px solid var(--line);
            border-left: 3px solid var(--deep-blue);
            border-radius: var(--radius);
            padding: 1.25rem 1.5rem;
            box-shadow: var(--shadow-sm);
            margin: 1.5rem 0;
        }
        .contact-card p { margin: 0.375rem 0; }
        .contact-card a { color: var(--deep-blue); text-decoration: none; font-weight: 600; }
        .contact-card a:hover { text-decoration: underline; }

/* ===== Reveal animations ===== */
        .reveal {
            opacity: 0;
            transform: translateY(12px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }
        @media (prefers-reduced-motion: reduce) {
            .reveal {
                opacity: 1;
                transform: none;
                transition: none;
            }
        }

/* ===== Subpage Generic Styles ===== */
.page-hero {
    position: relative;
    overflow: hidden;
    background:
        radial-gradient(1200px 400px at 85% -10%, rgba(47, 160, 220, 0.18), transparent 60%),
        radial-gradient(900px 360px at 10% 0%, rgba(151, 188, 98, 0.14), transparent 55%),
        linear-gradient(135deg, var(--quiet-ice-2) 0%, var(--paper) 60%, var(--surface) 100%);
    padding: 8rem 0 5.5rem;
    border-bottom: 1px solid var(--line);
}
.page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 1px 1px, rgba(15, 22, 41, 0.06) 1px, transparent 0);
    background-size: 28px 28px;
    mask-image: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0));
    -webkit-mask-image: linear-gradient(180deg, rgba(0,0,0,0.35), rgba(0,0,0,0));
    pointer-events: none;
}
.page-hero .container { position: relative; }
.page-hero .eyebrow,
.page-hero .kicker { color: var(--deep-blue); }
.page-hero h1 {
    font-size: clamp(2.25rem, 4.5vw, 3.5rem);
    line-height: 1.1;
    margin: 0.75rem 0 1.25rem;
    max-width: 800px;
    letter-spacing: -0.01em;
}
.page-hero p.lead {
    font-size: 1.2rem;
    color: var(--graphite);
    max-width: 640px;
    line-height: 1.6;
}
.page-section {
    position: relative;
    padding: 5.5rem 0;
    border-bottom: 1px solid var(--line);
}
.page-section:last-of-type { border-bottom: none; }
.page-section:nth-of-type(even) { background: var(--surface-2); }

/* Unify hero + section container widths so content doesn't jump horizontally */
.page-hero .container,
.page-section .container {
    max-width: 880px;
}

/* Kicker eyebrow — used all over subpages */
.kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 0.875rem;
}
.page-hero .kicker { color: var(--deep-blue); }

/* FAQ / disclosure items */
.faq-item {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.125rem 1.375rem;
    margin-bottom: 0.875rem;
    transition: border-color 0.15s, box-shadow 0.15s, background 0.15s;
}
.faq-item + h2 { margin-top: 2.5rem; }
.page-section h2 + .faq-item { margin-top: 1rem; }
.faq-item:hover { border-color: var(--graphite-2); }
.faq-item[open] {
    border-color: var(--deep-blue);
    box-shadow: 0 6px 24px rgba(6, 90, 130, 0.08);
}
.faq-item summary {
    list-style: none;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.0625rem;
    color: var(--ink);
    padding-right: 2.25rem;
    position: relative;
    outline: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
    content: "";
    position: absolute;
    right: 0.25rem;
    top: 50%;
    width: 12px;
    height: 12px;
    margin-top: -6px;
    border-right: 2px solid var(--graphite-2);
    border-bottom: 2px solid var(--graphite-2);
    transform: rotate(45deg);
    transition: transform 0.2s ease, border-color 0.2s ease;
}
.faq-item[open] summary::after {
    transform: rotate(-135deg);
    border-color: var(--deep-blue);
    margin-top: -2px;
}
.faq-item summary:focus-visible {
    outline: 2px solid var(--deep-blue);
    outline-offset: 3px;
    border-radius: 4px;
}
.faq-item > p,
.faq-item > ul,
.faq-item > ol {
    margin-top: 0.75rem;
    color: var(--graphite);
    font-size: 1rem;
    line-height: 1.65;
}
.faq-item > ul,
.faq-item > ol { padding-left: 1.25rem; }
.faq-item > ul li,
.faq-item > ol li { margin-bottom: 0.375rem; }

/* Section h2 rhythm + visual accent bar */
.page-section .kicker + h2 { margin-top: 0; }
.page-section h2 {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.2;
    margin-top: 3.25rem;
    padding-top: 1.25rem;
    position: relative;
    letter-spacing: -0.005em;
}
.page-section h2::before {
    content: "";
    display: block;
    width: 44px;
    height: 3px;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--deep-blue) 0%, var(--teal) 100%);
    margin-bottom: 1rem;
    position: absolute;
    top: 0;
    left: 0;
}
.page-section h2:first-of-type,
.page-section .kicker + h2 { margin-top: 0.25rem; }
.page-section h3 {
    position: relative;
    padding-left: 0.875rem;
}
.page-section h3::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.55em;
    width: 4px;
    height: 1.2em;
    border-radius: 2px;
    background: var(--teal);
}
.page-section p + p { margin-top: 1.1rem; }
.page-section .prose > p,
.page-section .container > p { max-width: 68ch; }
.page-section a:not(.btn):not(.btn-primary):not(.btn-secondary) {
    color: var(--deep-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(6, 90, 130, 0.25);
    transition: border-color 0.15s, color 0.15s;
}
.page-section a:not(.btn):not(.btn-primary):not(.btn-secondary):hover {
    color: var(--deep-blue-hover, var(--deep-blue));
    border-bottom-color: var(--deep-blue);
}
.page-section strong { color: var(--ink); font-weight: 600; }
.page-section blockquote {
    border-left: 3px solid var(--teal);
    padding: 0.5rem 1.25rem;
    margin: 1.5rem 0;
    font-size: 1.1rem;
    color: var(--ink-2);
    font-style: italic;
    background: linear-gradient(90deg, rgba(47, 160, 220, 0.06), transparent 90%);
    border-radius: 0 6px 6px 0;
}

/* Dark-mode tweaks for the new components */
html[data-theme="dark"] .faq-item {
    background: #121E36;
    border-color: #2A3A57;
}
html[data-theme="dark"] .faq-item:hover { border-color: #3E5378; }
html[data-theme="dark"] .faq-item[open] {
    border-color: #5DB6E2;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
}
html[data-theme="dark"] .faq-item summary { color: var(--ink); }
html[data-theme="dark"] .faq-item summary::after { border-color: #8FA3C2; }
html[data-theme="dark"] .faq-item[open] summary::after { border-color: #5DB6E2; }
@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .faq-item { background: #121E36; border-color: #2A3A57; }
    html:not([data-theme="light"]) .faq-item:hover { border-color: #3E5378; }
    html:not([data-theme="light"]) .faq-item[open] { border-color: #5DB6E2; box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5); }
    html:not([data-theme="light"]) .faq-item summary::after { border-color: #8FA3C2; }
    html:not([data-theme="light"]) .faq-item[open] summary::after { border-color: #5DB6E2; }
}

.page-section h2 {
    margin-bottom: 0.75rem;
}
.page-section h3 {
    font-size: 1.35rem;
    margin: 2rem 0 0.5rem;
    color: var(--ink);
}
.page-section p,
.page-section li {
    color: var(--graphite);
    font-size: 1.05rem;
    line-height: 1.7;
}
.page-section ul {
    padding-left: 1.25rem;
    margin: 0.75rem 0 1.25rem;
}
.page-section ul li { margin-bottom: 0.5rem; }
.prose {
    max-width: 760px;
    margin: 0 auto;
}
.prose > * + * { margin-top: 1rem; }
.two-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}
@media (min-width: 820px) {
    .two-col { grid-template-columns: repeat(2, 1fr); }
}
.three-col {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}
@media (min-width: 820px) {
    .three-col { grid-template-columns: repeat(3, 1fr); }
}
.tile {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    padding: 1.75rem 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}
.tile:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}
.tile h3 { margin-top: 0; font-size: 1.15rem; }
.tile p { font-size: 0.98rem; margin-top: 0.5rem; }
.tile .tile-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--quiet-ice);
    color: var(--deep-blue);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}
.pill-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1rem 0 1.5rem;
}
.pill {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.35rem 0.8rem;
    border-radius: 999px;
    background: var(--quiet-ice);
    color: var(--deep-blue-dark);
    font-size: 0.85rem;
    font-weight: 600;
    border: 1px solid rgba(6, 90, 130, 0.15);
}
.cta-band {
    background: linear-gradient(135deg, var(--deep-blue) 0%, var(--midnight) 100%);
    color: var(--white);
    padding: 3.5rem 0;
    text-align: center;
}
.cta-band h2 { color: var(--white); }
.cta-band p {
    color: rgba(255, 255, 255, 0.85);
    max-width: 620px;
    margin: 0.75rem auto 1.75rem;
    font-size: 1.1rem;
}
.cta-band .btn-primary {
    background: var(--white);
    color: var(--deep-blue);
}

        /* ===== Dark mode ===== */
        :root[data-theme="dark"] {
            --paper: #0A111F;
            --cloud: #111A2E;
            --line: #2A3A57;
            --border: #2A3A57;
            --graphite: #C4CEDE;
            --graphite-2: #909AAE;
            --ink: #F5F8FD;
            --ink-2: #E2E8F2;
            --deep-blue: #1F8BC4;
            --deep-blue-hover: #2FA0DC;
            --deep-blue-dark: #5DB6E2;
            --teal: #4FB2D3;
            --midnight: #0C1324;
            --midnight-2: #1A2345;
            --quiet-ice: #1B2B49;
            --quiet-ice-2: #132240;
            --surface: #121E36;
            --surface-2: #0F1828;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.45);
            --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.35);
            --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.55), 0 2px 6px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.6), 0 8px 16px rgba(0, 0, 0, 0.4);
        }
        @media (prefers-color-scheme: dark) {
            :root:not([data-theme="light"]) {
                --paper: #0A111F;
                --cloud: #111A2E;
                --line: #2A3A57;
                --border: #2A3A57;
                --graphite: #C4CEDE;
                --graphite-2: #909AAE;
                --ink: #F5F8FD;
                --ink-2: #E2E8F2;
                --deep-blue: #1F8BC4;
                --deep-blue-hover: #2FA0DC;
                --deep-blue-dark: #5DB6E2;
                --teal: #4FB2D3;
                --midnight: #0C1324;
                --midnight-2: #1A2345;
                --quiet-ice: #1B2B49;
                --quiet-ice-2: #132240;
                --surface: #121E36;
                --surface-2: #0F1828;
                --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.45);
                --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.5), 0 1px 2px rgba(0, 0, 0, 0.35);
                --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.55), 0 2px 6px rgba(0, 0, 0, 0.35);
                --shadow-lg: 0 24px 48px rgba(0, 0, 0, 0.6), 0 8px 16px rgba(0, 0, 0, 0.4);
            }
        }

        /* Dark-mode surface adjustments */
        html[data-theme="dark"] .site-header { background: rgba(11, 18, 32, 0.92); border-bottom-color: var(--line); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .site-header { background: rgba(11, 18, 32, 0.92); border-bottom-color: var(--line); }
        }

        /* Light wordmark needs to swap to inverted version in dark mode */
        html[data-theme="dark"] .site-header .brand-logo { content: url("/assets/vynmed-wordmark-inverted.svg"); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .site-header .brand-logo { content: url("/assets/vynmed-wordmark-inverted.svg"); }
        }

        /* ===== Theme toggle button ===== */
        .theme-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            margin-left: 0.75rem;
            background: transparent;
            border: 1px solid var(--line);
            border-radius: var(--radius);
            color: var(--graphite);
            cursor: pointer;
            transition: color 0.15s, border-color 0.15s, background 0.15s;
        }
        .theme-toggle:hover { color: var(--ink); border-color: var(--graphite-2); background: var(--surface-2); }
        .theme-toggle svg { width: 18px; height: 18px; }
        .theme-toggle .icon-sun { display: none; }
        html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
        html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .theme-toggle .icon-sun { display: block; }
            html:not([data-theme="light"]) .theme-toggle .icon-moon { display: none; }
        }
        @media (max-width: 640px) {
            .theme-toggle { width: 36px; height: 36px; margin-left: 0.5rem; }
        }

        /* ===== Dark-mode component tuning ===== */
        html[data-theme="dark"] .announce a,
        html[data-theme="dark"] .announce a:hover { color: #9DDBF5; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .announce a,
            html:not([data-theme="light"]) .announce a:hover { color: #9DDBF5; }
        }

        /* Pill (US PATENT badge) — readable on dark */
        html[data-theme="dark"] .pill { background: rgba(47, 160, 220, 0.12); color: #8FD0EE; border-color: rgba(47, 160, 220, 0.3); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .pill { background: rgba(47, 160, 220, 0.12); color: #8FD0EE; border-color: rgba(47, 160, 220, 0.3); }
        }

        /* Hero card — stronger border/glow so it lifts off the dark page */
        html[data-theme="dark"] .hero-card { border-color: #2E4368; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(47, 160, 220, 0.08); }
        html[data-theme="dark"] .hero-card::before { background: linear-gradient(160deg, rgba(93, 182, 226, 0.45), rgba(93, 182, 226, 0) 60%); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .hero-card { border-color: #2E4368; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(47, 160, 220, 0.08); }
            html:not([data-theme="light"]) .hero-card::before { background: linear-gradient(160deg, rgba(93, 182, 226, 0.45), rgba(93, 182, 226, 0) 60%); }
        }

        /* Primary CTA buttons — pop with saturated brand blue, not wash */
        html[data-theme="dark"] .btn-primary,
        html[data-theme="dark"] .nav .cta-compact { background: #1F8BC4; color: #FFFFFF; box-shadow: 0 4px 14px rgba(31, 139, 196, 0.35); }
        html[data-theme="dark"] .btn-primary:hover,
        html[data-theme="dark"] .nav .cta-compact:hover { background: #2FA0DC; color: #FFFFFF; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .btn-primary,
            html:not([data-theme="light"]) .nav .cta-compact { background: #1F8BC4; color: #FFFFFF; box-shadow: 0 4px 14px rgba(31, 139, 196, 0.35); }
            html:not([data-theme="light"]) .btn-primary:hover,
            html:not([data-theme="light"]) .nav .cta-compact:hover { background: #2FA0DC; color: #FFFFFF; }
        }

        /* Secondary "See how it works" button — visible outline on dark */
        html[data-theme="dark"] .btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
        html[data-theme="dark"] .btn-secondary:hover { background: var(--surface-2); border-color: var(--graphite-2); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .btn-secondary { background: var(--surface); color: var(--ink); border-color: var(--line); }
            html:not([data-theme="light"]) .btn-secondary:hover { background: var(--surface-2); border-color: var(--graphite-2); }
        }

        /* Hero italic highlight — stronger brand presence */
        html[data-theme="dark"] .hero h1 .highlight { color: #5DB6E2; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .hero h1 .highlight { color: #5DB6E2; }
        }

        /* Body links — readable sky-blue on dark */
        html[data-theme="dark"] a { color: #5DB6E2; }
        html[data-theme="dark"] a:hover { color: #8FD0EE; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) a { color: #5DB6E2; }
            html:not([data-theme="light"]) a:hover { color: #8FD0EE; }
        }
        /* But keep header/footer brand-link, CTAs, and known white-text elements untouched */
        html[data-theme="dark"] .brand,
        html[data-theme="dark"] .nav a,
        html[data-theme="dark"] .cta-compact,
        html[data-theme="dark"] .btn-primary,
        html[data-theme="dark"] .footer-list a,
        html[data-theme="dark"] .announce a { /* inherit their own rules */ }

        /* Tile icon & quiet-ice accents — brighter on dark */
        html[data-theme="dark"] .tile .tile-icon { background: rgba(47, 160, 220, 0.15); color: #8FD0EE; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .tile .tile-icon { background: rgba(47, 160, 220, 0.15); color: #8FD0EE; }
        }

        /* ===== Dark-mode component fixes (round 2) ===== */

        /* .device-window gradient uses var(--ink) which is near-white in dark mode — pin to literal values */
        html[data-theme="dark"] .device-window { background: linear-gradient(160deg, #0F1A2E 0%, #050914 100%); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .device-window { background: linear-gradient(160deg, #0F1A2E 0%, #050914 100%); }
        }

        /* Footer uses var(--ink) bg which inverts in dark — pin to a true dark surface */
        html[data-theme="dark"] footer { background: #070B16; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) footer { background: #070B16; }
        }

        /* Nav link color — the generic a override was bleeding into nav links */
        html[data-theme="dark"] .nav a { color: var(--graphite); }
        html[data-theme="dark"] .nav a:hover { color: var(--ink); }
        html[data-theme="dark"] .nav a.cta-compact { color: #FFFFFF; }
        html[data-theme="dark"] .nav a.cta-compact:hover { color: #FFFFFF; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .nav a { color: var(--graphite); }
            html:not([data-theme="light"]) .nav a:hover { color: var(--ink); }
            html:not([data-theme="light"]) .nav a.cta-compact { color: #FFFFFF; }
            html:not([data-theme="light"]) .nav a.cta-compact:hover { color: #FFFFFF; }
        }

        /* Patent pill — opaque bg so the dot-grid pattern doesn't show through */
        html[data-theme="dark"] .pill,
        html[data-theme="dark"] .hero-badge { background: #17263F; color: #BCE1F4; border-color: #355A82; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .pill,
            html:not([data-theme="light"]) .hero-badge { background: #17263F; color: #BCE1F4; border-color: #355A82; }
        }
        html[data-theme="dark"] .hero-badge::before { background: #8ED57A; box-shadow: 0 0 0 3px rgba(142, 213, 122, 0.25); }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .hero-badge::before { background: #8ED57A; box-shadow: 0 0 0 3px rgba(142, 213, 122, 0.25); }
        }

        /* Primary CTA — bump saturation for more presence */
        html[data-theme="dark"] .btn-primary,
        html[data-theme="dark"] .nav .cta-compact { background: #1E95D1; box-shadow: 0 4px 16px rgba(30, 149, 209, 0.4); }
        html[data-theme="dark"] .btn-primary:hover,
        html[data-theme="dark"] .nav .cta-compact:hover { background: #34ACE8; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) .btn-primary,
            html:not([data-theme="light"]) .nav .cta-compact { background: #1E95D1; box-shadow: 0 4px 16px rgba(30, 149, 209, 0.4); }
            html:not([data-theme="light"]) .btn-primary:hover,
            html:not([data-theme="light"]) .nav .cta-compact:hover { background: #34ACE8; }
        }

        /* Footer headings were using var(--ink) for color — that's near-white in dark, fine. But body text needs more contrast */
        html[data-theme="dark"] footer,
        html[data-theme="dark"] footer p { color: rgba(255, 255, 255, 0.68); }
        html[data-theme="dark"] footer .footer-list li a { color: rgba(255, 255, 255, 0.72); }
        html[data-theme="dark"] footer .footer-list li a:hover { color: #FFFFFF; }
        @media (prefers-color-scheme: dark) {
            html:not([data-theme="light"]) footer,
            html:not([data-theme="light"]) footer p { color: rgba(255, 255, 255, 0.68); }
            html:not([data-theme="light"]) footer .footer-list li a { color: rgba(255, 255, 255, 0.72); }
            html:not([data-theme="light"]) footer .footer-list li a:hover { color: #FFFFFF; }
        }



/* Dark-mode subpage polish */
html[data-theme="dark"] .page-hero {
    background:
        radial-gradient(1200px 400px at 85% -10%, rgba(47, 160, 220, 0.22), transparent 60%),
        radial-gradient(900px 360px at 10% 0%, rgba(93, 182, 226, 0.08), transparent 55%),
        linear-gradient(135deg, #0C1A30 0%, #0A111F 60%, #080E1C 100%);
    border-bottom-color: #1C2A45;
}
html[data-theme="dark"] .page-hero::before {
    background-image: radial-gradient(circle at 1px 1px, rgba(195, 220, 255, 0.07) 1px, transparent 0);
}
html[data-theme="dark"] .page-section:nth-of-type(even) { background: #0D1627; }
html[data-theme="dark"] .page-section { border-bottom-color: #1C2A45; }
html[data-theme="dark"] .page-section h2::before {
    background: linear-gradient(90deg, #5DB6E2 0%, #8FD0EE 100%);
}
html[data-theme="dark"] .page-section a:not(.btn):not(.btn-primary):not(.btn-secondary) {
    color: #8FD0EE;
    border-bottom-color: rgba(143, 208, 238, 0.3);
}
html[data-theme="dark"] .page-section a:not(.btn):not(.btn-primary):not(.btn-secondary):hover {
    color: #BFE3F4;
    border-bottom-color: #8FD0EE;
}
html[data-theme="dark"] .page-section blockquote {
    background: linear-gradient(90deg, rgba(93, 182, 226, 0.08), transparent 90%);
    color: var(--ink-2);
    border-left-color: #5DB6E2;
}
@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .page-hero {
        background:
            radial-gradient(1200px 400px at 85% -10%, rgba(47, 160, 220, 0.22), transparent 60%),
            radial-gradient(900px 360px at 10% 0%, rgba(93, 182, 226, 0.08), transparent 55%),
            linear-gradient(135deg, #0C1A30 0%, #0A111F 60%, #080E1C 100%);
        border-bottom-color: #1C2A45;
    }
    html:not([data-theme="light"]) .page-hero::before { background-image: radial-gradient(circle at 1px 1px, rgba(195, 220, 255, 0.07) 1px, transparent 0); }
    html:not([data-theme="light"]) .page-section:nth-of-type(even) { background: #0D1627; }
    html:not([data-theme="light"]) .page-section { border-bottom-color: #1C2A45; }
    html:not([data-theme="light"]) .page-section h2::before { background: linear-gradient(90deg, #5DB6E2 0%, #8FD0EE 100%); }
    html:not([data-theme="light"]) .page-section a:not(.btn):not(.btn-primary):not(.btn-secondary) { color: #8FD0EE; border-bottom-color: rgba(143, 208, 238, 0.3); }
    html:not([data-theme="light"]) .page-section a:not(.btn):not(.btn-primary):not(.btn-secondary):hover { color: #BFE3F4; border-bottom-color: #8FD0EE; }
    html:not([data-theme="light"]) .page-section blockquote { background: linear-gradient(90deg, rgba(93, 182, 226, 0.08), transparent 90%); border-left-color: #5DB6E2; }
}


/* ===== About page — editorial long-form ===== */
.about-article {
    background: var(--paper);
}
.about-inner {
    max-width: 720px;
    margin: 0 auto;
    padding: 0 1.5rem;
}
.about-hero {
    padding: 9rem 0 5rem;
    border-bottom: 1px solid var(--line);
}
.about-kicker {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--teal);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--line);
}
.about-hero h1 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(2.25rem, 4.5vw, 3.75rem);
    line-height: 1.08;
    letter-spacing: -0.02em;
    color: var(--ink);
    margin: 0 0 1.5rem;
    max-width: 18ch;
}
.about-dek {
    font-size: 1.25rem;
    line-height: 1.55;
    color: var(--ink-2);
    margin: 0;
    max-width: 52ch;
    font-weight: 400;
}
.about-section {
    padding: 4.5rem 0;
    border-bottom: 1px solid var(--line);
}
.about-section:last-of-type { border-bottom: 0; }
.about-section h2 {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.625rem, 2.5vw, 2rem);
    line-height: 1.2;
    color: var(--ink);
    margin: 0 0 1.5rem;
    letter-spacing: -0.015em;
}
.about-section p {
    font-size: 1.125rem;
    line-height: 1.7;
    color: var(--ink-2);
    margin: 0 0 1.25rem;
    max-width: 64ch;
}
.about-section p:last-child { margin-bottom: 0; }
.about-section a:not(.btn):not(.btn-primary):not(.btn-ghost) {
    color: var(--deep-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(6, 90, 130, 0.28);
    transition: border-color 0.15s ease, color 0.15s ease;
}
.about-section a:not(.btn):not(.btn-primary):not(.btn-ghost):hover {
    border-bottom-color: var(--deep-blue);
}
.about-lede {
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: clamp(1.375rem, 2.2vw, 1.625rem) !important;
    line-height: 1.4 !important;
    color: var(--ink) !important;
    font-style: italic;
    max-width: 34ch !important;
    margin-bottom: 2rem !important;
}
.about-pull {
    margin: 3rem 0 0;
    padding: 0 0 0 1.5rem;
    border-left: 3px solid var(--teal);
    font-family: 'DM Serif Display', Georgia, serif;
    font-size: 1.5rem;
    line-height: 1.45;
    color: var(--ink);
    font-style: italic;
    max-width: 40ch;
}
.about-signature {
    font-family: 'DM Serif Display', Georgia, serif !important;
    font-size: 1.375rem !important;
    color: var(--ink) !important;
    margin-bottom: 0.5rem !important;
    font-style: normal;
}
.about-signature strong { font-weight: 400; }
.about-dossier h2 { margin-bottom: 2rem; }
.about-dl {
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid var(--line);
}
.about-dl > div {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--line);
}
@media (min-width: 640px) {
    .about-dl > div { grid-template-columns: 180px 1fr; gap: 1.5rem; align-items: baseline; }
}
.about-dl dt {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--graphite-2);
    margin: 0;
}
.about-dl dd {
    margin: 0;
    font-size: 1rem;
    color: var(--ink);
    line-height: 1.5;
}
.about-dl dd a {
    color: var(--deep-blue);
    text-decoration: none;
    border-bottom: 1px solid rgba(6, 90, 130, 0.28);
}
.about-closing {
    padding: 5rem 0 7rem;
    text-align: left;
}
.about-closing-line {
    font-family: 'DM Serif Display', Georgia, serif !important;
    font-size: clamp(1.375rem, 2.2vw, 1.75rem) !important;
    line-height: 1.35 !important;
    color: var(--ink) !important;
    max-width: 36ch !important;
    margin-bottom: 2rem !important;
    font-style: italic;
}
.about-closing-cta { display: flex; flex-wrap: wrap; gap: 0.75rem; }

/* Dark mode — about page editorial */
html[data-theme="dark"] .about-article { background: #0A111F; }
html[data-theme="dark"] .about-hero { border-bottom-color: #1C2A45; }
html[data-theme="dark"] .about-kicker { color: #8FD0EE; border-bottom-color: #1C2A45; }
html[data-theme="dark"] .about-hero h1 { color: #F5F8FD; }
html[data-theme="dark"] .about-dek { color: #C4CEDE; }
html[data-theme="dark"] .about-section { border-bottom-color: #1C2A45; }
html[data-theme="dark"] .about-section h2 { color: #F5F8FD; }
html[data-theme="dark"] .about-section p { color: #C4CEDE; }
html[data-theme="dark"] .about-section a:not(.btn):not(.btn-primary):not(.btn-ghost) { color: #8FD0EE; border-bottom-color: rgba(143, 208, 238, 0.3); }
html[data-theme="dark"] .about-section a:not(.btn):not(.btn-primary):not(.btn-ghost):hover { border-bottom-color: #8FD0EE; }
html[data-theme="dark"] .about-lede { color: #F5F8FD !important; }
html[data-theme="dark"] .about-pull { color: #F5F8FD; border-left-color: #5DB6E2; }
html[data-theme="dark"] .about-signature { color: #F5F8FD !important; }
html[data-theme="dark"] .about-dl { border-top-color: #1C2A45; }
html[data-theme="dark"] .about-dl > div { border-bottom-color: #1C2A45; }
html[data-theme="dark"] .about-dl dt { color: #8FA0BC; }
html[data-theme="dark"] .about-dl dd { color: #F5F8FD; }
html[data-theme="dark"] .about-dl dd a { color: #8FD0EE; border-bottom-color: rgba(143, 208, 238, 0.3); }
html[data-theme="dark"] .about-closing-line { color: #F5F8FD !important; }

@media (prefers-color-scheme: dark) {
    html:not([data-theme="light"]) .about-article { background: #0A111F; }
    html:not([data-theme="light"]) .about-hero { border-bottom-color: #1C2A45; }
    html:not([data-theme="light"]) .about-kicker { color: #8FD0EE; border-bottom-color: #1C2A45; }
    html:not([data-theme="light"]) .about-hero h1 { color: #F5F8FD; }
    html:not([data-theme="light"]) .about-dek { color: #C4CEDE; }
    html:not([data-theme="light"]) .about-section { border-bottom-color: #1C2A45; }
    html:not([data-theme="light"]) .about-section h2 { color: #F5F8FD; }
    html:not([data-theme="light"]) .about-section p { color: #C4CEDE; }
    html:not([data-theme="light"]) .about-section a:not(.btn):not(.btn-primary):not(.btn-ghost) { color: #8FD0EE; border-bottom-color: rgba(143, 208, 238, 0.3); }
    html:not([data-theme="light"]) .about-section a:not(.btn):not(.btn-primary):not(.btn-ghost):hover { border-bottom-color: #8FD0EE; }
    html:not([data-theme="light"]) .about-lede { color: #F5F8FD !important; }
    html:not([data-theme="light"]) .about-pull { color: #F5F8FD; border-left-color: #5DB6E2; }
    html:not([data-theme="light"]) .about-signature { color: #F5F8FD !important; }
    html:not([data-theme="light"]) .about-dl { border-top-color: #1C2A45; }
    html:not([data-theme="light"]) .about-dl > div { border-bottom-color: #1C2A45; }
    html:not([data-theme="light"]) .about-dl dt { color: #8FA0BC; }
    html:not([data-theme="light"]) .about-dl dd { color: #F5F8FD; }
    html:not([data-theme="light"]) .about-dl dd a { color: #8FD0EE; border-bottom-color: rgba(143, 208, 238, 0.3); }
    html:not([data-theme="light"]) .about-closing-line { color: #F5F8FD !important; }
}