:root {
  --bg: #000;
  --tile: #161617;
  --tile-2: #1d1d1f;
  --line: #2a2a2d;
  --text: #f5f5f7;
  --muted: #86868b;
  --soft: #a1a1a6;
  --link: #f5f5f7;
  --radius: 28px;
  --max: 1024px;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", Inter, "Helvetica Neue", Helvetica, Arial, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--text); font-family: var(--font); font-size: 17px; line-height: 1.47; letter-spacing: -.01em; -webkit-font-smoothing: antialiased; }
a { color: var(--link); text-decoration: none; text-underline-offset: 3px; }
a:hover { text-decoration: underline; }
.prose a:not(.pill), .contact-list a, .notice a, .body a, .site-footer .legal a { text-decoration: underline; text-decoration-color: rgba(245,245,247,.35); }
.prose a:not(.pill):hover, .contact-list a:hover, .notice a:hover, .body a:hover, .site-footer .legal a:hover { text-decoration-color: currentColor; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--link); outline-offset: 3px; border-radius: 8px; }
.skip { position: absolute; left: -999px; top: 0; background: #fff; color: #000; padding: 8px 12px; z-index: 10; }
.skip:focus { left: 16px; top: 16px; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 22px; }
.center { text-align: center; }

/* Header (Apple-style thin global nav) */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(0,0,0,.72); backdrop-filter: saturate(180%) blur(20px); -webkit-backdrop-filter: saturate(180%) blur(20px); border-bottom: 1px solid rgba(255,255,255,.06); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 48px; gap: 16px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); font-weight: 600; font-size: 15px; letter-spacing: -.01em; }
.brand:hover { text-decoration: none; opacity: .85; }
.brand svg { width: 18px; height: 18px; color: #fff; }
.nav { display: flex; gap: 26px; font-size: 12.5px; }
.nav a { color: #d2d2d7; }
.nav a:hover, .nav a[aria-current="page"] { color: #fff; text-decoration: none; }
@media (max-width: 640px) { .nav { gap: 16px; } .nav .hide-sm { display: none; } }

/* Type */
.eyebrow { color: var(--muted); font-size: 17px; font-weight: 600; margin: 0 0 6px; }
.headline { font-size: clamp(40px, 6vw, 64px); line-height: 1.06; font-weight: 700; letter-spacing: -.035em; margin: 0; }
.headline .dim, .h2 .dim { color: var(--muted); }
.h2 { font-size: clamp(32px, 4.6vw, 48px); line-height: 1.08; font-weight: 700; letter-spacing: -.03em; margin: 0; }
.subhead { color: var(--soft); font-size: clamp(19px, 2.2vw, 24px); line-height: 1.33; font-weight: 500; letter-spacing: -.015em; margin: 14px auto 0; max-width: 34ch; }
.body { color: var(--soft); font-size: 17px; max-width: 58ch; margin: 18px auto 0; }
.more { display: inline-flex; align-items: center; gap: 4px; font-size: 17px; font-weight: 500; }
.more::after { content: "\203A"; font-size: 1.2em; line-height: 1; transform: translateY(-1px); }

/* Buttons */
.cta { display: flex; gap: 26px; justify-content: center; align-items: center; flex-wrap: wrap; margin-top: 26px; }
.pill { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 0 22px; border-radius: 980px; font-size: 17px; font-weight: 500; background: #fff; color: #000; }
.pill:hover { text-decoration: none; background: #e8e8ed; }

/* Hero */
.hero { text-align: center; padding: 92px 0 0; overflow: hidden; }
.hero .logo-mark { width: 52px; height: 52px; color: #fff; display: block; margin: 0 auto 22px; }
.hero .headline { font-size: clamp(44px, 7vw, 80px); }
.hero .subhead { max-width: 30ch; }
.trustline { color: var(--muted); font-size: 13px; margin: 22px 0 0; letter-spacing: 0; }
.trustline span + span::before { content: "\00B7"; margin: 0 8px; color: #5a5a5e; }
.wave { display: block; width: 100%; max-width: 1200px; height: auto; margin: 10px auto -9%; }

/* Page hero (inner pages) */
.page-hero { text-align: center; padding: 96px 0 56px; }

/* Sections */
.section { padding: 64px 0; }
.section.tight { padding: 32px 0; }

/* Tiles */
.tiles { display: grid; gap: 14px; grid-template-columns: repeat(3, 1fr); }
.tiles.two { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 860px) { .tiles, .tiles.two { grid-template-columns: 1fr; } }
.tile { background: var(--tile); border-radius: var(--radius); padding: 40px 32px; text-align: center; display: flex; flex-direction: column; align-items: center; }
.tile h3 { font-size: 28px; line-height: 1.12; letter-spacing: -.025em; margin: 0; font-weight: 700; }
.tile p { color: var(--soft); margin: 10px 0 0; font-size: 17px; max-width: 32ch; }
.tile .more { margin-top: auto; padding-top: 16px; }
.tile.big { padding: 56px 40px; }
.tile.big h3 { font-size: clamp(28px, 3.2vw, 34px); max-width: 18ch; }
.tile .glyph { width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 18px; background: var(--tile-2); }
.tile .glyph svg { width: 22px; height: 22px; }

/* Photos */
.photo { position: relative; margin: 0; border-radius: var(--radius); overflow: hidden; background: var(--tile); }
.photo img { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; }
@media (max-width: 640px) { .photo img { aspect-ratio: 4 / 3; } }
.photo.overlay { background: #000; }
.photo.overlay figcaption { position: absolute; left: 56px; top: 50%; transform: translateY(-50%); max-width: 38%; text-align: left; }
.photo.overlay figcaption h2 { font-size: clamp(28px, 3.4vw, 40px); line-height: 1.1; letter-spacing: -.03em; margin: 0; font-weight: 700; }
.photo.overlay figcaption p { color: var(--soft); margin: 12px 0 0; font-size: 17px; }
@media (max-width: 860px) {
  .photo.overlay figcaption { position: static; transform: none; max-width: none; padding: 28px 24px 34px; text-align: center; }
}

/* Feature (platform page) */
.feature { background: var(--tile); border-radius: var(--radius); padding: 56px 40px; text-align: center; overflow: hidden; }
.feature + .feature { margin-top: 14px; }
.feature .visual { margin: 40px auto 0; max-width: 560px; text-align: left; }

/* Visual: agent flow */
.flow { display: grid; gap: 8px; }
.node { display: flex; align-items: center; gap: 12px; background: var(--tile-2); border-radius: 14px; padding: 14px 16px; font-size: 15px; color: #fff; font-weight: 500; }
.node .dot { width: 6px; height: 6px; border-radius: 50%; flex: 0 0 auto; background: #6e6e73; }
.node .tag { margin-left: auto; font-size: 13px; color: var(--muted); font-weight: 400; }

/* Visual: eval */
.evals { display: grid; gap: 14px; }
.eval-row { display: grid; grid-template-columns: 140px 1fr 48px; gap: 14px; align-items: center; font-size: 15px; color: var(--soft); }
.bar { height: 8px; background: var(--tile-2); border-radius: 999px; overflow: hidden; }
.bar span { display: block; height: 100%; border-radius: 999px; background: #f5f5f7; }
.eval-row .v { text-align: right; color: #fff; font-variant-numeric: tabular-nums; }
.note { font-size: 12px; color: #6e6e73; margin-top: 16px; text-align: center; }
@media (max-width: 480px) { .eval-row { grid-template-columns: 110px 1fr 44px; font-size: 14px; } }

/* Visual: phone */
.phone { width: 250px; margin: 0 auto; border-radius: 42px; padding: 11px; background: #2c2c2e; box-shadow: 0 30px 80px rgba(0,0,0,.6); }
.screen { background: #fbfbfd; color: #1d1d1f; border-radius: 32px; padding: 22px 16px 18px; min-height: 420px; display: flex; flex-direction: column; gap: 10px; font-size: 13px; text-align: left; }
.screen .top { display: flex; align-items: center; gap: 8px; font-weight: 600; font-size: 14px; margin-bottom: 4px; }
.screen .top svg { width: 18px; height: 18px; color: #1d1d1f; }
.bubble { border-radius: 18px; padding: 10px 12px; max-width: 86%; line-height: 1.35; }
.bubble.agent { background: #ececf0; align-self: flex-start; }
.bubble.user { background: #1d1d1f; color: #fff; align-self: flex-end; }
.voicebar { margin-top: auto; display: flex; align-items: center; justify-content: center; gap: 3px; height: 36px; }
.voicebar i { display: block; width: 3px; border-radius: 3px; background: #1d1d1f; }
.mic { margin: 4px auto 0; width: 46px; height: 46px; border-radius: 50%; background: #1d1d1f; display: grid; place-items: center; }
.mic svg { width: 18px; height: 18px; }

/* Lists */
.qlist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; text-align: left; counter-reset: q; }
.qlist li { counter-increment: q; background: var(--tile-2); border-radius: 18px; padding: 18px 20px 18px 58px; position: relative; color: #e8e8ed; font-size: 17px; }
.qlist li::before { content: counter(q); position: absolute; left: 20px; top: 17px; width: 24px; height: 24px; border-radius: 50%; background: #3a3a3c; color: #f5f5f7; font-size: 13px; font-weight: 600; display: grid; place-items: center; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
@media (max-width: 860px) { .steps { grid-template-columns: 1fr 1fr; } }
@media (max-width: 480px) { .steps { grid-template-columns: 1fr; } }
.step { background: var(--tile); border-radius: 22px; padding: 26px 22px; text-align: left; }
.step .n { color: var(--muted); font-size: 13px; font-weight: 600; }
.step h4 { margin: 8px 0 6px; font-size: 21px; letter-spacing: -.02em; }
.step p { margin: 0; color: var(--soft); font-size: 15px; }

/* Team */
.person { background: var(--tile); border-radius: var(--radius); padding: 40px 32px; text-align: center; }
.avatar { width: 72px; height: 72px; border-radius: 50%; background: #2c2c2e; display: grid; place-items: center; font-weight: 600; color: #f5f5f7; font-size: 22px; margin: 0 auto 18px; }
.person h3 { margin: 0; font-size: 24px; letter-spacing: -.02em; }
.person .role { color: var(--muted); margin: 4px 0 12px; }
.person p { color: var(--soft); margin: 0 auto; max-width: 34ch; }

/* Contact */
.contact-list { display: grid; gap: 0; max-width: 560px; margin: 0 auto; text-align: left; }
.contact-list .row { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 18px 0; border-bottom: 1px solid var(--line); }
.contact-list .row:first-child { border-top: 1px solid var(--line); }
.contact-list .row span { color: var(--soft); }
.notice { max-width: 680px; margin: 0 auto; background: var(--tile); color: var(--soft); border-radius: 18px; padding: 18px 22px; font-size: 15px; text-align: left; }
.notice strong { color: #f5f5f7; }

/* Prose (privacy) */
.prose { max-width: 720px; margin: 0 auto; }
.prose .headline { font-size: clamp(36px, 5vw, 56px); text-align: center; }
.prose h2 { font-size: 24px; margin: 44px 0 10px; letter-spacing: -.02em; }
.prose p, .prose li { color: #d2d2d7; }
.prose ul { padding-left: 22px; }
.prose li { margin-bottom: 8px; }
.prose .meta { color: var(--muted); font-size: 15px; margin: 10px 0 34px; text-align: center; }
.prose a.pill { color: #000; }

/* Footer */
.site-footer { margin-top: 48px; padding: 40px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.site-footer .top { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-footer .logo { width: 22px; height: 22px; color: #fff; }
.site-footer nav { display: flex; gap: 18px; flex-wrap: wrap; }
.site-footer nav a { color: #d2d2d7; }
.site-footer .legal { margin-top: 18px; line-height: 1.6; }