:root {
    --ink: #13233f;
    --ink-2: #283d5b;
    --muted: #66778c;
    --blue: #2f6fed;
    --blue-dark: #2359c8;
    --blue-soft: #eaf2ff;
    --line: #dfe7f1;
    --soft: #f6f9fc;
    --white: #ffffff;
    --green: #14845c;
    --shadow: 0 18px 50px rgba(25, 45, 76, .10);
    --radius: 20px;
    --radius-sm: 12px;
    --container: 1160px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    color: var(--ink);
    background: var(--white);
    font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; }
a { color: var(--blue); text-decoration-thickness: 1.5px; text-underline-offset: 3px; }
a:hover { color: var(--blue-dark); }
button, input, textarea, select { font: inherit; }

.container { width: min(calc(100% - 40px), var(--container)); margin-inline: auto; }
.narrow { width: min(calc(100% - 40px), 820px); }
.sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}
.skip-link {
    position: fixed; left: 16px; top: 12px; z-index: 999; transform: translateY(-140%);
    background: var(--ink); color: #fff; padding: 10px 14px; border-radius: 8px;
}
.skip-link:focus { transform: none; }

.site-header {
    position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92);
    backdrop-filter: blur(14px); border-bottom: 1px solid transparent; transition: .2s ease;
}
.site-header.scrolled { border-color: var(--line); box-shadow: 0 7px 30px rgba(25,45,76,.05); }
.header-inner { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; color: var(--ink); font-weight: 800; font-size: 20px; text-decoration: none; letter-spacing: -.02em; }
.brand:hover { color: var(--ink); }
.site-nav { display: flex; align-items: center; gap: 20px; }
.site-nav > a:not(.button) { color: var(--ink-2); font-weight: 650; font-size: 15px; text-decoration: none; }
.site-nav > a:not(.button):hover, .site-nav > a.active { color: var(--blue); }
.nav-toggle { display: none; background: transparent; border: 0; width: 42px; height: 42px; padding: 8px; cursor: pointer; }
.nav-toggle span:not(.sr-only) { display: block; height: 2px; margin: 5px 0; background: var(--ink); border-radius: 3px; }

.button {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px;
    padding: 11px 20px; border: 1px solid var(--blue); border-radius: 10px;
    background: var(--blue); color: #fff; font-weight: 750; text-decoration: none;
    box-shadow: 0 8px 22px rgba(47,111,237,.18); transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.button:hover { color: #fff; background: var(--blue-dark); transform: translateY(-1px); box-shadow: 0 11px 26px rgba(47,111,237,.23); }
.button svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.button-small { min-height: 42px; padding: 8px 16px; font-size: 14px; }
.button-large { min-height: 54px; padding: 14px 24px; }
.button-secondary { background: #fff; color: var(--ink); border-color: var(--line); box-shadow: none; }
.button-secondary:hover { color: var(--blue); background: var(--soft); box-shadow: none; }
.button-white { background: #fff; color: var(--blue); border-color: #fff; box-shadow: none; }
.button-white:hover { color: var(--blue-dark); background: #f5f8ff; }
.button-disabled { opacity: .66; pointer-events: none; }

.hero { overflow: hidden; padding: 84px 0 78px; background: linear-gradient(180deg, #fff 0%, #f8fbff 100%); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.02fr) minmax(420px, .98fr); gap: 64px; align-items: center; }
.eyebrow { display: inline-block; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .13em; text-transform: uppercase; margin-bottom: 14px; }
.eyebrow-light { color: #d8e6ff; }
.hero h1, .page-hero h1 { margin: 0; max-width: 780px; font-size: clamp(44px, 6vw, 72px); line-height: 1.02; letter-spacing: -.052em; }
.hero h1 span, .page-hero h1 span { color: var(--blue); }
.hero-copy { margin: 25px 0 0; max-width: 680px; color: var(--ink-2); font-size: 21px; line-height: 1.55; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 17px 24px; margin-top: 30px; color: var(--muted); font-size: 14px; font-weight: 650; }
.hero-proof span { display: inline-flex; gap: 7px; align-items: center; }
.hero-proof svg { width: 17px; height: 17px; fill: none; stroke: var(--green); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.launch-note { margin-top: 13px; font-size: 14px; color: var(--muted); }

.product-demo { position: relative; }
.product-demo:before { content: ""; position: absolute; inset: 8% -8% -8% 22%; border-radius: 50%; background: #dceaff; filter: blur(55px); opacity: .8; }
.demo-window { position: relative; overflow: hidden; border: 1px solid #d9e4f0; border-radius: 18px; background: #fff; box-shadow: var(--shadow); }
.demo-bar { display: flex; align-items: center; justify-content: space-between; min-height: 48px; padding: 0 16px; background: #f8fafc; border-bottom: 1px solid var(--line); font-size: 12px; color: var(--muted); }
.demo-dots { display: flex; gap: 6px; }
.demo-dots span { width: 8px; height: 8px; border-radius: 50%; background: #c9d4e2; }
.demo-body { display: grid; grid-template-columns: .9fr 1.1fr; min-height: 380px; }
.markdown-pane { background: #16253f; color: #c7d7ef; padding: 26px 24px; font: 14px/1.7 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.markdown-pane .md-h { color: #8ec3ff; font-weight: 700; }
.markdown-pane .md-bold { color: #fff; font-weight: 700; }
.word-pane { padding: 24px 28px; background: #edf2f7; }
.word-sheet { min-height: 330px; padding: 34px 32px; background: #fff; border: 1px solid #dce4ed; box-shadow: 0 8px 22px rgba(35,53,78,.08); }
.word-sheet h3 { margin: 0 0 16px; font-family: Georgia, serif; font-size: 26px; line-height: 1.15; }
.word-sheet p { margin: 0 0 14px; color: #26354a; font-family: Georgia, serif; font-size: 13px; line-height: 1.6; }
.word-sheet ul { margin: 0; padding-left: 18px; color: #26354a; font-family: Georgia, serif; font-size: 13px; }
.demo-badge { position: absolute; right: -18px; bottom: 26px; display: flex; align-items: center; gap: 9px; padding: 11px 14px; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font-size: 13px; font-weight: 750; box-shadow: 0 10px 30px rgba(25,45,76,.12); }
.demo-badge svg { width: 19px; height: 19px; fill: none; stroke: var(--blue); stroke-width: 1.8; }

.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 25px 24px; text-align: center; color: var(--ink-2); font-size: 14px; font-weight: 750; border-right: 1px solid var(--line); }
.trust-item:last-child { border-right: 0; }
.trust-item strong { color: var(--ink); }

.section { padding: 96px 0; }
.section-tight { padding: 70px 0; }
.section-soft { background: var(--soft); }
.section-dark { background: var(--ink); color: #fff; }
.section-heading { margin-bottom: 46px; max-width: 760px; }
.section-heading.centered { margin-inline: auto; text-align: center; }
.section-heading h2 { margin: 0; font-size: clamp(34px, 4.4vw, 50px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading p { margin: 17px 0 0; color: var(--muted); font-size: 19px; }
.section-dark .section-heading p { color: #c7d3e4; }

.workflow { display: grid; grid-template-columns: 1fr auto 1fr auto 1fr; align-items: center; gap: 18px; margin-top: 48px; }
.workflow-card { min-height: 158px; display: flex; flex-direction: column; justify-content: center; align-items: center; gap: 10px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: 0 8px 28px rgba(25,45,76,.05); text-align: center; }
.workflow-card strong { font-size: 20px; }
.workflow-card span { color: var(--muted); font-size: 14px; }
.workflow-card code { padding: 4px 8px; border-radius: 7px; background: var(--blue-soft); color: var(--blue-dark); font-size: 14px; }
.workflow-arrow { color: var(--blue); font-size: 29px; font-weight: 300; }

.feature-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.feature-card { padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.feature-icon { width: 44px; height: 44px; display: grid; place-items: center; margin-bottom: 20px; border-radius: 11px; background: var(--blue-soft); color: var(--blue); }
.feature-icon svg { width: 23px; height: 23px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.feature-icon svg path:first-child:last-child { fill: currentColor; stroke: none; }
.feature-card h3 { margin: 0 0 10px; font-size: 21px; line-height: 1.25; }
.feature-card p { margin: 0; color: var(--muted); }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 76px; align-items: center; }
.split-copy h2 { margin: 0 0 18px; font-size: clamp(34px, 4.2vw, 50px); line-height: 1.08; letter-spacing: -.04em; }
.split-copy > p { color: var(--muted); font-size: 18px; }
.check-list { list-style: none; padding: 0; margin: 28px 0; }
.check-list li { display: flex; align-items: flex-start; gap: 11px; margin: 12px 0; color: var(--ink-2); }
.check-list svg { flex: 0 0 19px; width: 19px; height: 19px; margin-top: 4px; fill: none; stroke: var(--green); stroke-width: 2.2; stroke-linecap: round; stroke-linejoin: round; }
.code-card { overflow: hidden; border: 1px solid #344a69; border-radius: var(--radius); background: #0f1c31; box-shadow: var(--shadow); }
.code-card-head { padding: 13px 18px; border-bottom: 1px solid #2c3f5a; color: #9eb0c8; font-size: 12px; }
.code-card pre { margin: 0; padding: 28px; overflow-x: auto; color: #d5e4f8; font: 14px/1.75 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.code-card .accent { color: #82b7f2; }

.pricing-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 900px; margin: 0 auto; }
.price-card { padding: 34px; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; }
.price-card.featured { border-color: #b9d1ff; box-shadow: 0 16px 40px rgba(47,111,237,.10); }
.price-label { color: var(--muted); font-size: 14px; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.price { margin: 9px 0 4px; font-size: 38px; font-weight: 850; letter-spacing: -.04em; }
.price-card p { margin: 0 0 22px; color: var(--muted); }
.price-card .check-list { margin: 20px 0 28px; }

.ai-band { overflow: hidden; background: linear-gradient(135deg, #13233f, #1d3d73); color: #fff; }
.ai-band .split-copy > p, .ai-band .check-list li { color: #d1def0; }
.ai-steps { display: grid; gap: 13px; }
.ai-step { display: grid; grid-template-columns: 40px 1fr; gap: 13px; padding: 18px; border: 1px solid rgba(255,255,255,.14); border-radius: 13px; background: rgba(255,255,255,.05); }
.ai-step strong { display: block; margin-bottom: 3px; }
.ai-step span { color: #b9c9de; font-size: 14px; }
.step-number { width: 36px; height: 36px; display: grid; place-items: center; border-radius: 9px; background: #fff; color: var(--blue); font-weight: 850; }

.page-hero { padding: 72px 0 65px; background: linear-gradient(180deg, #fff 0%, #f7faff 100%); border-bottom: 1px solid var(--line); }
.page-hero .container { max-width: 950px; text-align: center; }
.page-hero h1 { margin-inline: auto; font-size: clamp(40px, 5.6vw, 64px); }
.page-hero p { max-width: 730px; margin: 22px auto 0; color: var(--ink-2); font-size: 20px; }
.page-hero .hero-actions { justify-content: center; }
.page-hero .hero-proof { justify-content: center; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 58px; align-items: start; }
.prose h2 { margin: 50px 0 14px; font-size: 32px; line-height: 1.2; letter-spacing: -.025em; }
.prose h2:first-child { margin-top: 0; }
.prose h3 { margin: 32px 0 9px; font-size: 23px; }
.prose p, .prose li { color: #40526b; }
.prose code { padding: 2px 6px; border-radius: 5px; background: #eef4fb; color: #1e4d9b; }
.prose .callout { margin: 28px 0; padding: 21px 23px; border-left: 4px solid var(--blue); border-radius: 0 12px 12px 0; background: var(--blue-soft); }
.prose .callout p { margin: 0; color: var(--ink-2); }
.sidebar-card { position: sticky; top: 100px; padding: 24px; border: 1px solid var(--line); border-radius: 16px; background: #fff; box-shadow: 0 10px 30px rgba(25,45,76,.06); }
.sidebar-card h2 { margin: 0 0 10px; font-size: 21px; }
.sidebar-card p { margin: 0 0 18px; color: var(--muted); font-size: 14px; }
.sidebar-card .button { width: 100%; }
.sidebar-links { display: grid; gap: 7px; margin-top: 18px; }
.sidebar-links a { font-size: 14px; text-decoration: none; }

.faq-list { border-top: 1px solid var(--line); }
details { border-bottom: 1px solid var(--line); }
summary { position: relative; cursor: pointer; list-style: none; padding: 21px 44px 21px 0; font-weight: 750; font-size: 18px; }
summary::-webkit-details-marker { display: none; }
summary:after { content: "+"; position: absolute; right: 5px; top: 17px; color: var(--blue); font-size: 28px; font-weight: 400; }
details[open] summary:after { content: "−"; }
.faq-answer { padding: 0 44px 22px 0; color: var(--muted); }
.faq-answer p { margin: 0; }

.final-cta { background: var(--blue); color: #fff; }
.final-cta-inner { display: grid; grid-template-columns: 1fr auto; gap: 50px; align-items: center; }
.final-cta h2 { margin: 0; font-size: clamp(36px, 4.6vw, 54px); line-height: 1.08; letter-spacing: -.045em; }
.final-cta p { margin: 13px 0 0; max-width: 710px; color: #dbe8ff; }
.cta-actions { min-width: 280px; text-align: center; }
.cta-note { display: block; margin-top: 10px; color: #dbe8ff; font-size: 13px; }

.site-footer { padding: 62px 0 24px; background: #0e192a; color: #b7c5d8; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1fr; gap: 46px; }
.site-footer .brand { color: #fff; }
.footer-brand p { max-width: 320px; color: #9eafc5; font-size: 14px; }
.site-footer h2 { margin: 0 0 13px; color: #fff; font-size: 14px; text-transform: uppercase; letter-spacing: .08em; }
.site-footer a:not(.brand) { display: block; width: fit-content; margin: 7px 0; color: #b7c5d8; font-size: 14px; text-decoration: none; }
.site-footer a:hover { color: #fff; }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 50px; padding-top: 22px; border-top: 1px solid #26354a; color: #7f92aa; font-size: 12px; }

.not-found { min-height: 62vh; display: grid; place-items: center; padding: 80px 20px; text-align: center; }
.not-found h1 { margin: 0; font-size: 92px; line-height: 1; letter-spacing: -.06em; color: var(--blue); }
.not-found h2 { margin: 12px 0 8px; font-size: 31px; }
.not-found p { color: var(--muted); }

@media (max-width: 980px) {
    .hero { padding-top: 62px; }
    .hero-grid, .split, .content-grid { grid-template-columns: 1fr; }
    .hero-grid { gap: 46px; }
    .product-demo { max-width: 720px; margin: 0 auto; }
    .feature-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-grid { grid-template-columns: repeat(2, 1fr); }
    .trust-item:nth-child(2) { border-right: 0; }
    .trust-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
    .workflow { grid-template-columns: 1fr; }
    .workflow-arrow { transform: rotate(90deg); text-align: center; }
    .sidebar-card { position: static; }
    .final-cta-inner { grid-template-columns: 1fr; }
    .cta-actions { text-align: left; }
    .footer-grid { grid-template-columns: 1.6fr 1fr 1fr; }
    .footer-brand { grid-column: 1 / -1; }
}

@media (max-width: 760px) {
    body { font-size: 16px; }
    .container, .narrow { width: min(calc(100% - 28px), var(--container)); }
    .header-inner { min-height: 66px; }
    .nav-toggle { display: block; }
    .site-nav { display: none; position: absolute; left: 14px; right: 14px; top: 66px; padding: 16px; flex-direction: column; align-items: stretch; gap: 5px; border: 1px solid var(--line); border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
    .site-nav.open { display: flex; }
    .site-nav > a:not(.button) { padding: 10px 9px; }
    .hero { padding: 54px 0; }
    .hero-grid { grid-template-columns: 1fr; gap: 38px; }
    .hero h1, .page-hero h1 { font-size: clamp(40px, 12vw, 55px); }
    .hero-copy, .page-hero p { font-size: 18px; }
    .hero-actions .button { width: 100%; }
    .demo-body { grid-template-columns: 1fr; }
    .markdown-pane { display: none; }
    .demo-badge { right: 12px; bottom: 12px; }
    .section { padding: 72px 0; }
    .section-tight { padding: 56px 0; }
    .section-heading { margin-bottom: 34px; }
    .feature-grid, .pricing-grid { grid-template-columns: 1fr; }
    .feature-card { padding: 25px; }
    .page-hero { padding: 54px 0 48px; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); gap: 35px 24px; }
    .footer-brand { grid-column: 1 / -1; }
    .footer-bottom { flex-direction: column; }
}

@media (max-width: 480px) {
    .trust-grid { grid-template-columns: 1fr; }
    .trust-item, .trust-item:nth-child(2) { border-right: 0; border-bottom: 1px solid var(--line); }
    .trust-item:last-child { border-bottom: 0; }
    .word-pane { padding: 15px; }
    .word-sheet { padding: 25px 22px; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: auto; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *:before, *:after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}

/* 2026-10 website content refresh: readable walkthroughs and keyboard access */
.guide-code { padding: 20px 22px; overflow-x: auto; border-radius: 12px; color: #f1f7ff; background: #13233f; font-size: 14px; line-height: 1.65; }
.guide-code code { padding: 0; color: inherit; background: transparent; }
.capability-band { border-block: 1px solid var(--line); }
.prose a { overflow-wrap: anywhere; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid #1d5fd3; outline-offset: 3px; }
@media (max-width: 1100px) and (min-width: 761px) { .site-nav { gap: 12px; } .site-nav > a:not(.button) { font-size: 13px; } }
