        :root {
            --navy: #0d2137;
            --navy-mid: #153352;
            --ink: #0d2137;
            --ink-secondary: #3a5169;
            --ink-muted: #6b8299;
            --surface: #f0f5f8;
            --surface-raised: #ffffff;
            --border: #d4dfe6;
            --border-subtle: #e8eef2;
            --teal: #22b8bf;
            --teal-hover: #1a9fa5;
            --teal-soft: #e6f9fa;
            --teal-glow: rgba(34, 184, 191, 0.15);
            --gold: #c9a84c;
            --gold-soft: #fdf8ec;
            --gold-glow: rgba(201, 168, 76, 0.15);
            --cyan: #38d0d8;
            --warm: #d97729;
            --warm-soft: #fef6ee;
            --radius: 10px;
            --radius-lg: 16px;
            --shadow-sm: 0 1px 3px rgba(13, 33, 55, 0.06);
            --shadow-md: 0 4px 16px rgba(13, 33, 55, 0.1);
            --shadow-lg: 0 8px 32px rgba(13, 33, 55, 0.14);
        }

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

        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
            line-height: 1.6;
            color: var(--ink);
            background: var(--navy);
            background-image:
                radial-gradient(ellipse at 20% 0%, rgba(34, 184, 191, 0.12) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 100%, rgba(201, 168, 76, 0.08) 0%, transparent 60%);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            font-feature-settings: "cv11", "ss01";
        }

        .container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 1.25rem;
        }

        /* ── Header ── */
        header {
            padding: 1.5rem 1.5rem 0;
            margin-bottom: 1.5rem;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 0.75rem;
        }
        nav {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 100px;
            padding: 0.3rem 0.35rem;
        }
        nav ul {
            list-style: none;
            display: flex;
            gap: 0.15rem;
            align-items: center;
            margin-bottom: 0;
        }
        nav a {
            color: rgba(255, 255, 255, 0.55);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.82rem;
            letter-spacing: 0.01em;
            line-height: 1;
            transition: color 0.15s, background 0.15s;
            padding: 0.45rem 1rem;
            border-radius: 100px;
            display: flex;
            align-items: center;
        }
        nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .logo-container {
            display: flex;
            align-items: center;
            gap: 0.65rem;
            text-decoration: none;
        }
        .logo {
            width: 56px;
            height: 56px;
            border-radius: 12px;
        }

        /* ── Main content card (single/list pages) ── */
        main {
            background: var(--surface-raised);
            padding: 3rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        main a {
            color: var(--teal-hover);
            text-decoration: none;
            font-weight: 500;
        }
        main a:hover {
            text-decoration: underline;
        }

        /* ── Typography ── */
        h1 {
            color: var(--ink);
            font-size: 2.25rem;
            margin-bottom: 1rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.03em;
        }
        h2 {
            color: var(--ink);
            font-size: 1.5rem;
            margin-top: 2.25rem;
            margin-bottom: 0.75rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h3 {
            color: var(--ink);
            font-size: 1.1rem;
            margin-top: 1.75rem;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        p {
            margin-bottom: 1rem;
            color: var(--ink-secondary);
            line-height: 1.7;
        }
        ul, ol {
            margin-bottom: 1.5rem;
            padding-left: 1.25rem;
        }
        li {
            margin-bottom: 0.4rem;
            color: var(--ink-secondary);
            line-height: 1.7;
        }
        strong {
            color: var(--ink);
            font-weight: 600;
        }
        hr {
            border: none;
            border-top: 1px solid var(--border);
            margin: 2rem 0;
        }
        code {
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.88em;
            background: var(--surface);
            padding: 0.15em 0.4em;
            border-radius: 5px;
            border: 1px solid var(--border-subtle);
        }

        /* ── Buttons ── */
        .btn {
            display: inline-block;
            text-decoration: none;
            font-weight: 600;
            font-family: 'Inter', sans-serif;
            border-radius: var(--radius);
            transition: all 0.15s ease;
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--teal), var(--cyan));
            color: #fff;
            padding: 0.8rem 1.75rem;
            font-size: 0.95rem;
            box-shadow: 0 2px 8px var(--teal-glow), inset 0 1px 0 rgba(255,255,255,0.2);
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, var(--teal-hover), var(--teal));
            box-shadow: 0 6px 20px var(--teal-glow), inset 0 1px 0 rgba(255,255,255,0.2);
            transform: translateY(-1px);
        }

        /* ── Landing: Hero ── */
        .hero {
            background: linear-gradient(160deg, var(--navy-mid), var(--navy) 50%, #0a1a2e);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 5rem 2.5rem;
            text-align: center;
            margin-bottom: 1.5rem;
            position: relative;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(34, 184, 191, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--teal), var(--gold), var(--teal));
        }
        .hero h1 {
            font-size: 3rem;
            margin-bottom: 1.25rem;
            letter-spacing: -0.035em;
            color: #fff;
        }
        .hero-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 620px;
            margin: 0 auto 1rem;
            line-height: 1.75;
        }
        .hero-sub-bold {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 600;
            margin-bottom: 2.25rem;
        }

        /* ── Landing: Section shared ── */
        .section-heading {
            text-align: center;
            margin-top: 0;
            margin-bottom: 0.5rem;
            color: var(--ink);
            font-size: 1.75rem;
            font-weight: 800;
            letter-spacing: -0.03em;
        }
        .section-description {
            text-align: center;
            color: var(--ink-secondary);
            max-width: 620px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
            line-height: 1.75;
        }

        /* ── Landing: Pain ── */
        .pain {
            background: linear-gradient(160deg, var(--navy-mid), var(--navy));
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 3rem;
            margin-bottom: 1.5rem;
        }
        .pain .section-heading {
            color: #fff;
            margin-bottom: 2rem;
        }
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }
        .pain-card {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 1.75rem 1.5rem;
            text-align: center;
        }
        .pain-card-icon {
            color: var(--gold);
            display: inline-flex;
            vertical-align: middle;
            margin-right: 0.4rem;
        }
        .pain-card h3 {
            margin-top: 0;
            margin-bottom: 0.65rem;
            font-size: 1.2rem;
            color: var(--gold);
            font-weight: 800;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
        }
        .pain-card p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            line-height: 1.7;
            font-size: 0.88rem;
        }

        /* ── Landing: Before/After ── */
        .before-after {
            background: var(--surface-raised);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 3rem;
            margin-bottom: 1.5rem;
        }
        .before-after .section-heading {
            margin-bottom: 1.25rem;
        }
        .comparison-header {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 0;
            margin-bottom: 0.75rem;
        }
        .comparison-label {
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .comparison-label-before {
            color: var(--warm);
            padding-left: 1.5rem;
        }
        .comparison-label-after {
            color: var(--teal);
            padding-left: 1.5rem;
        }
        .comparisons {
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .comparison {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 0;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
        }
        .comparison-before {
            padding: 1.1rem 1.5rem;
            background: var(--gold-soft);
        }
        .comparison-after {
            padding: 1.1rem 1.5rem;
            background: var(--teal-soft);
        }
        .comparison-arrow {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 0 0.6rem;
            background: var(--surface);
            color: var(--teal);
        }
        .comparison-before p,
        .comparison-after p {
            margin-bottom: 0;
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .comparison-before p {
            color: var(--ink-secondary);
        }
        .comparison-after p {
            color: var(--ink);
            font-weight: 500;
        }

        /* ── Landing: Use cases ── */
        .use-cases {
            background: linear-gradient(160deg, var(--navy-mid), var(--navy));
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 3rem;
            margin-bottom: 1.5rem;
        }
        .use-cases .section-heading {
            color: #fff;
        }
        .use-cases .section-heading {
            margin-bottom: 2rem;
        }
        .use-case-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .use-case {
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.08);
            background: rgba(255, 255, 255, 0.04);
        }
        .use-case-problem {
            background: rgba(34, 184, 191, 0.08);
            padding: 1rem 1.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .use-case-problem p {
            color: var(--cyan);
            font-weight: 600;
            font-size: 1rem;
            font-style: italic;
            margin-bottom: 0;
        }
        .use-case-solution {
            padding: 1.25rem 1.5rem;
        }
        .use-case-solution p {
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 0;
            line-height: 1.75;
            font-size: 0.95rem;
        }

        /* ── Landing: How it works ── */
        .how-it-works {
            background: var(--surface-raised);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 3rem;
            margin-bottom: 1.5rem;
        }
        .check-list {
            list-style: none;
            max-width: 560px;
            margin: 0 auto;
            padding-left: 0;
        }
        .check-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.85rem;
            padding: 0.65rem 0;
            font-size: 1rem;
            line-height: 1.65;
        }
        .check-list li svg {
            flex-shrink: 0;
            margin-top: 3px;
        }

        /* ── Landing: Final CTA ── */
        .final-cta {
            background: linear-gradient(135deg, var(--teal-hover), var(--teal), var(--cyan));
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 3.5rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .final-cta h2 {
            color: #fff;
            margin-top: 0;
            font-size: 1.75rem;
            letter-spacing: -0.02em;
        }
        .final-cta p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            margin: 0 auto 1.75rem;
            font-size: 1.05rem;
        }
        .final-cta .btn-primary {
            background: var(--navy);
            box-shadow: 0 2px 8px rgba(13, 33, 55, 0.3), inset 0 1px 0 rgba(255,255,255,0.1);
        }
        .final-cta .btn-primary:hover {
            background: var(--navy-mid);
            box-shadow: 0 6px 20px rgba(13, 33, 55, 0.4), inset 0 1px 0 rgba(255,255,255,0.1);
        }

        /* ── Footer ── */
        footer {
            text-align: center;
            margin-top: 2.5rem;
            padding-bottom: 1rem;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.85rem;
        }
        footer a {
            color: rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: color 0.15s;
        }
        footer a:hover {
            color: rgba(255, 255, 255, 0.85);
        }
        .footer-links {
            margin-top: 0.4rem;
            display: flex;
            justify-content: center;
            gap: 1.5rem;
        }

        .download-note {
            color: #999;
            font-size: 0.9rem;
            margin: 0 0 2.5rem;
        }
        .app-store-link {
            display: inline-block;
            margin-top: 0.5rem;
        }
        .app-store-badge {
            height: 48px;
            width: auto;
        }
        .download-macos-cta {
            display: inline-block;
            margin: 1.5rem 0 0.5rem;
            padding: 0.9rem 2.2rem;
            font-size: 1.1rem;
        }
        .not-found {
            text-align: center;
            padding: 4rem 0;
        }
        .not-found-code {
            font-size: 4rem;
            margin-bottom: 1rem;
        }
        .not-found-title {
            font-size: 1.5rem;
            margin-bottom: 2rem;
        }
        .not-found-return {
            margin-top: 2rem;
        }
        .not-found-return a {
            color: #667eea;
        }
        .changelog-breadcrumbs {
            display: flex;
            gap: 0.4rem;
            margin-bottom: 1.5rem;
            font-size: 0.85rem;
        }
        .changelog-breadcrumb-divider {
            color: var(--border);
        }
        .changelog-breadcrumb-current,
        .changelog-date {
            color: var(--ink-muted);
        }
        .changelog-date {
            font-size: 0.95rem;
            margin-bottom: 1.75rem;
        }
        .changelog-summary {
            color: var(--ink-secondary);
            font-size: 1.05rem;
        }


        /* ── Responsive: tablet ── */
        @media (max-width: 768px) {
            .container {
                padding: 0.85rem;
            }
            header {
                padding: 1rem 1rem 0.25rem;
                margin-bottom: 1rem;
            }
            .logo {
                width: 48px;
                height: 48px;
            }
            main {
                padding: 1.75rem;
            }
            h1 {
                font-size: 1.75rem;
            }
            .hero {
                padding: 3rem 1.5rem;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero-sub {
                font-size: 1rem;
            }
            .pain {
                padding: 2rem 1.5rem;
            }
            .pain-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .before-after {
                padding: 2rem 1.5rem;
            }
            .comparison-header {
                grid-template-columns: 1fr;
                gap: 0.15rem;
                margin-bottom: 0.75rem;
            }
            .comparison-header span:empty {
                display: none;
            }
            .comparison-label-before,
            .comparison-label-after {
                padding-left: 0;
            }
            .comparison {
                grid-template-columns: 1fr;
            }
            .comparison-arrow {
                padding: 0.35rem;
            }
            .comparison-arrow svg {
                transform: rotate(90deg);
            }
            .use-cases {
                padding: 2rem 1.5rem;
            }
            .use-case-problem,
            .use-case-solution {
                padding: 1rem 1.25rem;
            }
            .how-it-works {
                padding: 2rem 1.5rem;
            }
            .final-cta {
                padding: 2.5rem 1.5rem;
            }
            .section-heading {
                font-size: 1.4rem;
            }
        }

        /* ── Responsive: small phone ── */
        @media (max-width: 480px) {
            .hero h1 {
                font-size: 1.6rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .feature-card {
                padding: 1.25rem;
            }
            .btn-primary {
                padding: 0.75rem 1.5rem;
                font-size: 0.9rem;
            }
            main {
                padding: 1.25rem;
            }
        }

        /* ── 2026 landing page refresh ── */
        .container {
            max-width: 1240px;
            padding: 1.25rem 1.5rem;
        }
        header {
            flex-direction: row;
            justify-content: space-between;
            padding: 0.75rem 0.25rem 0;
            margin-bottom: 1.25rem;
        }
        .logo-container {
            color: #fff;
        }
        .logo {
            width: 42px;
            height: 42px;
            border-radius: 10px;
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
        }
        .logo-wordmark {
            color: #fff;
            font-size: 1.02rem;
            font-weight: 750;
            letter-spacing: -0.02em;
        }
        nav a {
            padding: 0.55rem 0.9rem;
        }
        nav li:last-child a {
            background: rgba(34, 184, 191, 0.16);
            color: #fff;
        }
        .landing {
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .landing h1,
        .landing h2,
        .landing h3,
        .landing p {
            margin-top: 0;
        }
        .landing-hero {
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 3.75rem;
            padding: 4.75rem 4rem 4rem;
            overflow: hidden;
            border: 1px solid rgba(255, 255, 255, 0.09);
            border-radius: 28px;
            background:
                radial-gradient(circle at 85% 12%, rgba(56, 208, 216, 0.16), transparent 38%),
                radial-gradient(circle at 8% 92%, rgba(201, 168, 76, 0.12), transparent 38%),
                linear-gradient(145deg, #163858, #0b1c31 64%);
            box-shadow: 0 30px 80px rgba(4, 16, 30, 0.38);
        }
        .landing-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.2;
            background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
            background-size: 48px 48px;
            mask-image: linear-gradient(to right, black, transparent 56%);
        }
        .landing-hero-copy {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: minmax(0, 1.1fr) minmax(410px, 0.9fr);
            align-items: end;
            gap: 4rem;
        }
        .landing-eyebrow {
            margin-bottom: 1rem;
            color: var(--cyan);
            font-size: 0.75rem;
            font-weight: 750;
            line-height: 1.2;
            letter-spacing: 0.12em;
            text-transform: uppercase;
        }
        .landing-hero h1 {
            max-width: 760px;
            margin-bottom: 0;
            color: #fff;
            font-size: clamp(3.5rem, 5.8vw, 5.8rem);
            font-weight: 800;
            line-height: 0.98;
            letter-spacing: -0.055em;
        }
        .landing-lede {
            max-width: 460px;
            margin-bottom: 2rem;
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.12rem;
            line-height: 1.75;
        }
        .landing-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 0.75rem;
        }
        .landing-hero-support .landing-actions {
            flex-wrap: nowrap;
        }
        .landing-actions .btn {
            padding: 0.85rem 1.4rem;
        }
        .btn-quiet {
            color: rgba(255, 255, 255, 0.78);
            border: 1px solid rgba(255, 255, 255, 0.14);
            background: rgba(255, 255, 255, 0.04);
        }
        .btn-quiet:hover {
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.08);
            text-decoration: none;
        }
        .landing-note {
            margin: 1rem 0 0;
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.78rem;
        }
        .product-window {
            position: relative;
            z-index: 1;
            width: 100%;
            min-width: 0;
            overflow: hidden;
            transform: perspective(1400px) rotateX(0.8deg);
            transform-origin: center top;
            border: 1px solid rgba(255, 255, 255, 0.17);
            border-radius: 18px;
            background: #f7f9fb;
            box-shadow: 0 42px 90px rgba(0, 0, 0, 0.42), 0 0 0 1px rgba(0,0,0,0.25);
        }
        .product-titlebar {
            position: relative;
            display: flex;
            align-items: center;
            gap: 6px;
            height: 38px;
            padding: 0 13px;
            border-bottom: 1px solid #dbe3e9;
            background: rgba(255,255,255,0.95);
        }
        .window-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #d9e1e6;
        }
        .window-dot:first-child { background: #ff665a; }
        .window-dot:nth-child(2) { background: #ffbe3f; }
        .window-dot:nth-child(3) { background: #34c949; }
        .product-title {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
            color: #718191;
            font-size: 0.7rem;
            font-weight: 650;
        }
        .product-shell {
            display: grid;
            grid-template-columns: 150px 1fr;
            min-height: 430px;
        }
        .product-sidebar {
            padding: 18px 12px;
            color: rgba(255,255,255,0.58);
            background: #112b45;
        }
        .product-sidebar-brand {
            display: flex;
            align-items: center;
            gap: 8px;
            margin: 0 6px 22px;
            color: #fff;
            font-size: 0.72rem;
            font-weight: 750;
        }
        .product-sidebar-brand img { border-radius: 7px; }
        .product-nav-item {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 5px;
            padding: 8px 9px;
            border-radius: 7px;
            font-size: 0.68rem;
            font-weight: 600;
        }
        .product-nav-item.active {
            color: #fff;
            background: rgba(34, 184, 191, 0.18);
        }
        .product-nav-icon {
            width: 14px;
            color: var(--cyan);
            text-align: center;
        }
        .product-count {
            margin-left: auto;
            padding: 1px 5px;
            border-radius: 20px;
            color: #fff;
            background: rgba(255,255,255,0.1);
            font-size: 0.58rem;
        }
        .product-canvas {
            padding: 28px 30px 26px;
            background: linear-gradient(160deg, #fff, #eef5f7);
        }
        .product-greeting {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 22px;
        }
        .product-greeting div { display: flex; flex-direction: column; }
        .product-greeting div span { color: #7890a5; font-size: 0.65rem; }
        .product-greeting strong { color: var(--ink); font-size: 1rem; }
        .product-date {
            padding: 7px 9px;
            border: 1px solid #dbe6eb;
            border-radius: 8px;
            color: var(--teal-hover);
            background: #fff;
            font-size: 0.62rem;
            font-weight: 750;
        }
        .product-assist-card {
            margin-bottom: 14px;
            padding: 18px;
            border: 1px solid #cddfe5;
            border-radius: 13px;
            background: #fff;
            box-shadow: 0 10px 28px rgba(13, 33, 55, 0.08);
        }
        .assist-card-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 11px;
            color: #91a1ad;
            font-size: 0.58rem;
        }
        .assist-pill {
            padding: 3px 7px;
            border-radius: 20px;
            color: #0c858b;
            background: var(--teal-soft);
            font-weight: 750;
            letter-spacing: 0.05em;
        }
        .product-assist-card > strong { color: var(--ink); font-size: 0.9rem; }
        .product-assist-card > p { margin: 4px 0 16px; color: #7b8e9e; font-size: 0.65rem; }
        .assist-actions { display: flex; justify-content: flex-end; align-items: center; gap: 7px; }
        .assist-actions span {
            padding: 5px 8px;
            border: 1px solid #dfe7eb;
            border-radius: 6px;
            color: #607586;
            font-size: 0.58rem;
            font-weight: 650;
        }
        .assist-actions .assist-primary { color: #fff; border-color: var(--teal); background: var(--teal); }
        .product-row {
            display: grid;
            grid-template-columns: auto 1fr auto;
            align-items: center;
            gap: 11px;
            margin-top: 8px;
            padding: 11px 12px;
            border: 1px solid #dde6ea;
            border-radius: 10px;
            background: rgba(255,255,255,0.78);
        }
        .product-row > div { display: flex; flex-direction: column; }
        .product-row strong { color: #233e54; font-size: 0.68rem; }
        .product-row div span { color: #8295a4; font-size: 0.56rem; }
        .row-icon {
            display: grid;
            place-items: center;
            width: 28px;
            height: 28px;
            border-radius: 7px;
            font-size: 0.62rem;
            font-weight: 800;
        }
        .row-icon.message { color: #a57918; background: var(--gold-soft); }
        .row-icon.calendar { color: #087e84; background: var(--teal-soft); }
        .row-time, .row-status { color: #7f92a1; font-size: 0.58rem; font-weight: 650; }
        .row-status { padding: 3px 7px; border-radius: 20px; color: #087e84; background: var(--teal-soft); }
        .integration-strip {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            padding: 1rem 1.35rem;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 14px;
            background: rgba(255,255,255,0.035);
        }
        .integration-strip p { margin: 0; color: rgba(255,255,255,0.42); font-size: 0.78rem; }
        .integration-list { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 0.65rem; }
        .integration-list span {
            padding: 0.4rem 0.7rem;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 8px;
            color: rgba(255,255,255,0.68);
            background: rgba(255,255,255,0.04);
            font-size: 0.72rem;
            font-weight: 650;
        }
        .landing-section {
            padding: 5.5rem 4rem;
            border-radius: 24px;
            background: var(--surface-raised);
            box-shadow: var(--shadow-md);
        }
        .section-intro {
            max-width: 680px;
            margin-bottom: 2.5rem;
        }
        .section-intro h2,
        .assistant-copy h2,
        .privacy-heading h2,
        .landing-final h2 {
            margin-bottom: 1rem;
            color: var(--ink);
            font-size: clamp(2rem, 3vw, 3.1rem);
            font-weight: 800;
            line-height: 1.08;
            letter-spacing: -0.045em;
        }
        .section-intro > p:last-child,
        .assistant-copy > p,
        .privacy-heading > p,
        .landing-final > div > p:last-child {
            color: var(--ink-secondary);
            font-size: 1.02rem;
            line-height: 1.75;
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1rem;
        }
        .feature-card {
            min-height: 240px;
            padding: 1.75rem;
            border: 1px solid var(--border-subtle);
            border-radius: 16px;
            background: linear-gradient(145deg, #f7fafb, #fff);
        }
        .feature-icon {
            display: grid;
            place-items: center;
            width: 42px;
            height: 42px;
            margin-bottom: 2.2rem;
            border-radius: 11px;
            color: #087e84;
            background: var(--teal-soft);
            font-size: 0.9rem;
            font-weight: 800;
        }
        .feature-icon-calendar { color: #a57918; background: var(--gold-soft); }
        .feature-icon-task { color: #536b80; background: #eaf0f4; }
        .feature-icon-spark { color: #fff; background: linear-gradient(135deg, var(--teal), #6686d8); }
        .feature-card h3 { margin-bottom: 0.6rem; font-size: 1.1rem; }
        .feature-card p { margin: 0; color: var(--ink-muted); font-size: 0.9rem; }
        .workflow-section { background: linear-gradient(150deg, #eef8f8, #fff 55%); }
        .workflow-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1rem;
        }
        .workflow-step {
            position: relative;
            padding: 1.75rem 1.6rem;
            border-top: 1px solid var(--border);
        }
        .step-number {
            display: block;
            margin-bottom: 3.5rem;
            color: var(--teal-hover);
            font-family: 'JetBrains Mono', monospace;
            font-size: 0.72rem;
            font-weight: 600;
        }
        .workflow-step h3 { margin-bottom: 0.7rem; font-size: 1.08rem; }
        .workflow-step p { margin: 0; color: var(--ink-muted); font-size: 0.88rem; }
        .assistant-section {
            display: grid;
            grid-template-columns: 0.82fr 1.18fr;
            align-items: center;
            gap: 4rem;
            padding: 5.5rem 4rem;
            overflow: hidden;
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: 24px;
            background:
                radial-gradient(circle at 85% 50%, rgba(34,184,191,0.14), transparent 35%),
                linear-gradient(145deg, #173a59, #0c2036);
        }
        .assistant-copy h2 { color: #fff; }
        .assistant-copy > p { color: rgba(255,255,255,0.62); }
        .text-link {
            display: inline-flex;
            gap: 0.4rem;
            align-items: center;
            color: var(--teal-hover);
            font-size: 0.9rem;
            font-weight: 650;
            text-decoration: none;
        }
        .assistant-copy .text-link { color: var(--cyan); }
        .text-link:hover { text-decoration: underline; }
        .assistant-stack {
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
            perspective: 900px;
        }
        .assistant-mini-card {
            display: flex;
            flex-direction: column;
            gap: 0.35rem;
            padding: 1.35rem 1.5rem;
            border: 1px solid rgba(255,255,255,0.12);
            border-radius: 14px;
            background: rgba(255,255,255,0.075);
            box-shadow: 0 18px 50px rgba(0,0,0,0.15);
        }
        .assistant-mini-card:nth-child(2) { transform: translateX(2rem); }
        .assistant-mini-card span { color: var(--cyan); font-size: 0.62rem; font-weight: 750; letter-spacing: 0.08em; text-transform: uppercase; }
        .assistant-mini-card strong { color: #fff; font-size: 0.95rem; }
        .assistant-mini-card small { color: rgba(255,255,255,0.43); font-size: 0.7rem; }
        .privacy-section {
            display: grid;
            grid-template-columns: 0.9fr 1.1fr;
            gap: 4rem;
        }
        .privacy-heading > p { margin-bottom: 1.3rem; }
        .privacy-points { display: flex; flex-direction: column; }
        .privacy-points article {
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 1rem;
            padding: 1.35rem 0;
            border-bottom: 1px solid var(--border-subtle);
        }
        .privacy-points article:first-child { padding-top: 0; }
        .privacy-points article:last-child { border-bottom: none; }
        .privacy-points article > span {
            display: grid;
            place-items: center;
            width: 24px;
            height: 24px;
            margin-top: 2px;
            border-radius: 50%;
            color: #087e84;
            background: var(--teal-soft);
            font-size: 0.72rem;
            font-weight: 800;
        }
        .privacy-points h3 { margin: 0 0 0.35rem; font-size: 1rem; }
        .privacy-points p { margin: 0; color: var(--ink-muted); font-size: 0.86rem; }
        .landing-final {
            display: flex;
            justify-content: space-between;
            align-items: flex-end;
            gap: 2rem;
            padding: 4rem;
            border-radius: 24px;
            background: linear-gradient(135deg, #dff7f7, #f4fafb 50%, #fff9ea);
        }
        .landing-final h2 { max-width: 650px; }
        .landing-final > div > p:last-child { margin-bottom: 0; }
        .landing-final .btn-quiet { color: var(--ink-secondary); border-color: var(--border); background: rgba(255,255,255,0.5); }
        .landing-final .btn-quiet:hover { color: var(--ink); border-color: var(--ink-muted); background: #fff; }

        @media (max-width: 1040px) {
            .landing-hero {
                padding: 4.5rem 3rem 3rem;
            }
            .landing-hero-copy {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .landing-hero-support { max-width: 640px; }
            .product-window { min-width: 0; transform: none; }
            .assistant-section,
            .privacy-section { gap: 2.5rem; }
        }
        @media (max-width: 820px) {
            .container { padding: 0.8rem; }
            header { align-items: flex-start; padding: 0.35rem 0.15rem 0; }
            header nav { max-width: calc(100vw - 4.5rem); overflow-x: auto; scrollbar-width: none; }
            header nav::-webkit-scrollbar { display: none; }
            header nav ul { width: max-content; }
            .logo-wordmark { display: none; }
            .landing-hero { padding: 3.5rem 1.5rem 1.5rem; border-radius: 20px; }
            .landing-hero h1 { font-size: clamp(2.55rem, 10vw, 4rem); }
            .product-shell { grid-template-columns: 115px 1fr; }
            .product-canvas { padding: 22px 18px; }
            .product-sidebar { padding: 14px 8px; }
            .product-nav-item { padding: 7px 6px; font-size: 0.6rem; }
            .integration-strip { align-items: flex-start; flex-direction: column; gap: 0.8rem; }
            .integration-list { justify-content: flex-start; }
            .landing-section,
            .assistant-section,
            .landing-final { padding: 3.5rem 1.5rem; border-radius: 20px; }
            .feature-grid { grid-template-columns: 1fr; }
            .feature-card { min-height: 0; }
            .feature-icon { margin-bottom: 1.5rem; }
            .workflow-grid { grid-template-columns: 1fr; }
            .step-number { margin-bottom: 1.5rem; }
            .assistant-section,
            .privacy-section { grid-template-columns: 1fr; }
            .assistant-mini-card:nth-child(2) { transform: none; }
            .landing-final { align-items: flex-start; flex-direction: column; }
        }
        @media (max-width: 560px) {
            nav a { padding: 0.48rem 0.68rem; font-size: 0.72rem; }
            .product-window { display: none; }
            .landing-hero { padding-bottom: 3.5rem; }
            .landing-lede { font-size: 1rem; }
            .landing-actions { align-items: stretch; flex-direction: column; }
            .landing-hero-support .landing-actions { flex-wrap: wrap; }
            .landing-actions .btn { text-align: center; }
            .integration-list span { font-size: 0.66rem; }
            .section-intro h2,
            .assistant-copy h2,
            .privacy-heading h2,
            .landing-final h2 { font-size: 2rem; }
        }
