:root {
  --ink: #07131f;
  --muted: #536474;
  --line: #dce4e8;
  --surface: #ffffff;
  --soft: #f2f6f7;
  --accent: #2fd6a3;
  --accent-dark: #0b7a61;
  --deep: #0a1d2d;
  --deep-2: #102d40;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(7, 19, 31, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--surface); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; line-height: 1.6; }
a { color: inherit; }
img, svg { max-width: 100%; }
button, input, textarea { font: inherit; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(780px, calc(100% - 40px)); }
.section { padding: 104px 0; }
.skip-link { position: fixed; top: 10px; left: 10px; z-index: 1000; transform: translateY(-180%); background: white; padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { transform: none; }

.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.92); border-bottom: 1px solid rgba(220,228,232,.8); backdrop-filter: blur(18px); }
.header-inner { min-height: 78px; display: flex; align-items: center; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; letter-spacing: -.03em; font-size: 1.25rem; white-space: nowrap; }
.brand > span:last-child > span { color: var(--accent-dark); }
.brand-mark { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: var(--deep); color: var(--accent); font-size: 1rem; }
.primary-nav { display: flex; align-items: center; gap: 27px; margin-left: auto; }
.primary-nav a { text-decoration: none; color: #344656; font-size: .94rem; font-weight: 650; }
.primary-nav a:hover, .primary-nav a[aria-current="page"] { color: var(--ink); }
.nav-toggle { display: none; margin-left: auto; border: 1px solid var(--line); background: white; border-radius: 10px; padding: 8px 12px; }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: 0 23px; border-radius: 999px; background: var(--ink); color: white; text-decoration: none; font-weight: 750; box-shadow: 0 10px 25px rgba(7,19,31,.16); transition: transform .2s ease, box-shadow .2s ease; }
.button:hover { transform: translateY(-2px); box-shadow: 0 14px 32px rgba(7,19,31,.22); }
.button-small { min-height: 42px; padding: 0 18px; font-size: .92rem; }
.button-light { background: white; color: var(--ink); }
.text-link { font-weight: 750; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 3px; }
.button-row { display: flex; align-items: center; gap: 24px; flex-wrap: wrap; margin-top: 32px; }

.hero { padding-top: 86px; background: radial-gradient(circle at 80% 18%, rgba(47,214,163,.17), transparent 31%), linear-gradient(180deg, #fbfdfd, #fff); overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: .92fr 1.08fr; align-items: center; gap: 70px; }
.eyebrow { margin: 0 0 17px; color: var(--accent-dark); font-size: .77rem; font-weight: 850; letter-spacing: .14em; text-transform: uppercase; }
.eyebrow.light { color: #7ff3cd; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin-bottom: 25px; font-size: clamp(3.1rem, 7vw, 6.8rem); }
h2 { margin-bottom: 20px; font-size: clamp(2.15rem, 4.3vw, 4rem); }
h3 { margin-bottom: 13px; font-size: 1.35rem; }
p { margin-top: 0; }
.hero-lead { max-width: 690px; color: var(--muted); font-size: clamp(1.15rem, 2.1vw, 1.42rem); line-height: 1.55; }
.trust-row { display: flex; gap: 18px; flex-wrap: wrap; margin-top: 43px; color: #61717f; font-size: .84rem; font-weight: 720; }
.trust-row span { display: inline-flex; align-items: center; gap: 8px; }
.trust-row span::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }

.workspace-preview { border: 1px solid #cfdcdf; border-radius: 26px; background: white; box-shadow: var(--shadow); transform: rotate(1deg); overflow: hidden; }
.preview-bar { height: 48px; display: flex; align-items: center; gap: 7px; padding: 0 17px; border-bottom: 1px solid var(--line); color: #71808c; font-size: .74rem; }
.preview-bar span { width: 8px; height: 8px; border-radius: 50%; background: #c6d0d5; }
.preview-bar strong { margin-left: 9px; }
.preview-body { display: grid; grid-template-columns: .78fr 1.22fr; min-height: 438px; }
.preview-chat { display: flex; flex-direction: column; gap: 18px; padding: 28px 18px; background: #f6f9f9; border-right: 1px solid var(--line); }
.chat-bubble { max-width: 92%; border-radius: 16px; padding: 13px 15px; font-size: .79rem; line-height: 1.45; }
.chat-bubble.user { align-self: flex-end; background: var(--ink); color: white; border-bottom-right-radius: 5px; }
.chat-bubble.assistant { background: white; border: 1px solid var(--line); border-bottom-left-radius: 5px; }
.composer { margin-top: auto; display: flex; justify-content: space-between; border: 1px solid var(--line); border-radius: 13px; padding: 12px; color: #87949e; background: white; font-size: .72rem; }
.preview-canvas { padding: 28px 25px; }
.canvas-heading { display: flex; justify-content: space-between; align-items: center; gap: 15px; }
.canvas-heading small { display: block; color: var(--muted); font-size: .65rem; letter-spacing: .12em; }
.canvas-heading strong { font-size: 1.18rem; }
.status-pill { border-radius: 999px; background: #ddf8ef; color: #087052; padding: 7px 10px; font-size: .67rem; font-weight: 800; }
.route { display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 12px; margin: 35px 0; }
.route span { color: #96a7af; text-align: center; font-size: .7rem; overflow: hidden; white-space: nowrap; }
.timeline { list-style: none; margin: 0; padding: 0; }
.timeline li { position: relative; display: grid; grid-template-columns: 18px 1fr; gap: 12px; min-height: 70px; color: #72818c; }
.timeline li::after { content: ''; position: absolute; left: 6px; top: 15px; bottom: -4px; width: 2px; background: #dce4e8; }
.timeline li:last-child::after { display: none; }
.timeline li > span { width: 14px; height: 14px; border: 3px solid #d1dcdf; border-radius: 50%; background: white; z-index: 1; }
.timeline li.complete > span { border-color: var(--accent); background: var(--accent); }
.timeline strong, .timeline small { display: block; }
.timeline strong { color: var(--ink); font-size: .83rem; }
.timeline small { font-size: .68rem; }

.proof-strip { padding: 35px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.proof-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.proof-grid div { padding: 12px 35px; border-right: 1px solid var(--line); }
.proof-grid div:first-child { padding-left: 0; }
.proof-grid div:last-child { border-right: 0; }
.proof-grid strong, .proof-grid span { display: block; }
.proof-grid span { color: var(--muted); font-size: .91rem; margin-top: 6px; }

.split-intro, .value-grid, .roadmap-grid, .security-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.split-intro > p, .value-copy > p:not(.eyebrow), .roadmap-grid > div:first-child > p:last-child { color: var(--muted); font-size: 1.13rem; }
.card-grid { display: grid; gap: 22px; margin-top: 58px; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.two { grid-template-columns: repeat(2, 1fr); }
.feature-card { padding: 33px; border: 1px solid var(--line); border-radius: var(--radius); background: white; }
.feature-card p { color: var(--muted); margin-bottom: 0; }
.card-number { display: inline-block; margin-bottom: 45px; color: var(--accent-dark); font-size: .76rem; font-weight: 850; }
.soft-section { background: var(--soft); }
.dark-section { color: white; background: var(--deep); }
.dark-section h2 { color: white; }
.dark-section p { color: #b7c4ce; }
.roadmap { border-left: 1px solid #315064; padding-left: 30px; }
.roadmap-item { position: relative; padding: 0 0 34px 24px; opacity: .72; }
.roadmap-item::before { content: ''; position: absolute; left: -37px; top: 3px; width: 11px; height: 11px; border-radius: 50%; background: #456175; border: 4px solid var(--deep); }
.roadmap-item.active { opacity: 1; }
.roadmap-item.active::before { background: var(--accent); }
.roadmap-item span, .roadmap-item strong { display: block; }
.roadmap-item span { color: #7ff3cd; font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.roadmap-item strong { margin: 6px 0; font-size: 1.25rem; }
.roadmap-item p { margin-bottom: 0; font-size: .93rem; }
.value-list article { display: grid; grid-template-columns: 48px 1fr; gap: 18px; padding: 26px 0; border-bottom: 1px solid var(--line); }
.value-list article:first-child { padding-top: 0; }
.value-list article > b { color: var(--accent-dark); }
.value-list p { color: var(--muted); margin-bottom: 0; }
.cta-section { padding-top: 25px; }
.cta-card { display: flex; justify-content: space-between; align-items: center; gap: 45px; padding: 58px; border-radius: 30px; color: white; background: linear-gradient(135deg, var(--deep), var(--deep-2)); }
.cta-card h2 { margin-bottom: 12px; }
.cta-card p:not(.eyebrow) { color: #b9c9d3; margin-bottom: 0; }

.page-hero { background: linear-gradient(180deg, #f1f7f6, #fff); }
.page-hero h1 { font-size: clamp(3rem, 6vw, 5.6rem); }
.page-hero.compact { padding-bottom: 65px; }
.page-hero.compact h1 { font-size: clamp(2.8rem, 5vw, 4.8rem); }
.product-flow { display: grid; gap: 0; }
.flow-step { display: grid; grid-template-columns: 100px 1fr; gap: 35px; padding: 52px 0; border-top: 1px solid var(--line); }
.flow-step > span { display: grid; place-items: center; width: 62px; height: 62px; border-radius: 50%; background: var(--soft); color: var(--accent-dark); font-weight: 850; }
.flow-step small { color: var(--accent-dark); text-transform: uppercase; letter-spacing: .13em; font-weight: 800; }
.flow-step p { max-width: 760px; color: var(--muted); }
.section-heading { max-width: 720px; }
.roadmap-table { margin-top: 45px; border-top: 1px solid var(--line); }
.roadmap-row { display: grid; grid-template-columns: 130px 1fr 1.4fr; align-items: center; gap: 30px; padding: 27px 0; border-bottom: 1px solid var(--line); }
.roadmap-row p { margin-bottom: 0; color: var(--muted); }
.phase { width: fit-content; border-radius: 999px; background: var(--soft); padding: 7px 11px; font-size: .72rem; font-weight: 800; }
.phase.live { color: #07684e; background: #dff8f0; }
.principle-list { list-style: none; margin: 0; padding: 0; }
.principle-list li { display: grid; grid-template-columns: 170px 1fr; gap: 25px; padding: 22px 0; border-bottom: 1px solid #315064; }
.principle-list span { color: #b7c4ce; }
.prose { font-size: 1.05rem; }
.prose p, .prose li { color: var(--muted); }
.prose a { color: var(--accent-dark); font-weight: 700; }
.legal h2 { margin-top: 43px; font-size: 1.55rem; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; }
.contact-card { padding: 45px; border-radius: var(--radius); background: var(--deep); color: white; }
.contact-card > span { color: #7ff3cd; font-size: .78rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; }
.contact-card p { color: #b7c4ce; }
.contact-list article { padding: 0 0 28px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.contact-list small { color: var(--accent-dark); text-transform: uppercase; letter-spacing: .13em; font-weight: 800; }
.contact-list p { color: var(--muted); }

.site-footer { padding: 65px 0; border-top: 1px solid var(--line); background: #f9fbfb; }
.footer-grid { display: grid; grid-template-columns: 1.4fr .8fr .8fr; gap: 55px; }
.footer-brand { margin-bottom: 16px; }
.site-footer p, .footer-note { color: var(--muted); font-size: .9rem; }
.footer-links, .footer-note { display: flex; flex-direction: column; align-items: flex-start; gap: 10px; }
.footer-links a, .footer-note a { text-decoration: none; }

@media (max-width: 900px) {
  .section { padding: 78px 0; }
  .hero-grid, .split-intro, .value-grid, .roadmap-grid, .security-grid, .contact-grid { grid-template-columns: 1fr; gap: 45px; }
  .workspace-preview { transform: none; }
  .card-grid.three { grid-template-columns: 1fr; }
  .roadmap-row { grid-template-columns: 110px 1fr; }
  .roadmap-row p { grid-column: 2; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-note { grid-column: 1 / -1; flex-direction: row; justify-content: space-between; }
  .header-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .primary-nav { position: absolute; top: 77px; left: 20px; right: 20px; display: none; flex-direction: column; align-items: stretch; gap: 0; padding: 12px; border: 1px solid var(--line); border-radius: 16px; background: white; box-shadow: var(--shadow); }
  .primary-nav.open { display: flex; }
  .primary-nav a { padding: 11px; }
}

@media (max-width: 620px) {
  .shell, .narrow { width: min(100% - 26px, 1180px); }
  .section { padding: 62px 0; }
  h1 { font-size: clamp(2.8rem, 17vw, 4.6rem); }
  h2 { font-size: 2.15rem; }
  .preview-body { grid-template-columns: 1fr; }
  .preview-chat { min-height: 280px; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-grid div, .proof-grid div:first-child { padding: 18px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .proof-grid div:last-child { border-bottom: 0; }
  .card-grid.two { grid-template-columns: 1fr; }
  .feature-card { padding: 27px; }
  .cta-card { align-items: flex-start; flex-direction: column; padding: 36px 27px; }
  .flow-step { grid-template-columns: 1fr; gap: 18px; }
  .roadmap-row { grid-template-columns: 1fr; gap: 10px; }
  .roadmap-row p { grid-column: auto; }
  .principle-list li { grid-template-columns: 1fr; gap: 6px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-note { grid-column: auto; flex-direction: column; }
}
