/* Chatfab AI — sayt. Tashqi shrift yoki skript yo'q: hammasi shu serverdan. */
:root {
  color-scheme: light;
  --ground: #faf9f5;
  --surface: #ffffff;
  --ink: #1b1a18;
  --muted: #5f5b53;
  --faint: #8c877d;
  --line: #e7e3da;
  --accent: #c8553d;
  --accent-soft: #f6e4dd;
  --dark: #1a1917;
  --dark-text: #eeece6;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--ground); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
img, svg { max-width: 100%; }
h1, h2, h3 { font-family: var(--serif); font-weight: 400; line-height: 1.15; margin: 0; text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.wrap { width: min(1080px, 100% - 40px); margin: 0 auto; }

/* ── yuqori chiziq ── */
.top { position: sticky; top: 0; z-index: 10; background: rgba(250, 249, 245, 0.92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.top .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 10px; font-family: var(--serif); font-size: 22px; text-decoration: none; }
.logo svg { width: 28px; height: 28px; }
.top nav { display: flex; align-items: center; gap: 24px; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--muted); }
.top nav a:hover { color: var(--ink); }
.top nav a.btn, .top nav a.btn:hover { color: #fff; }
.top nav a.btn.ghost, .top nav a.btn.ghost:hover { color: var(--ink); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 20px; border-radius: 12px; font-size: 16px; font-weight: 500; text-decoration: none; border: 1px solid var(--ink); background: var(--ink); color: #fff; }
.btn:hover { background: #33312d; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--faint); background: var(--surface); }
.btn.small { padding: 8px 14px; font-size: 14px; border-radius: 10px; }

/* ── bosh qism ── */
.hero { padding: 88px 0 72px; }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr); gap: 56px; align-items: center; }
.eyebrow { display: inline-block; font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent); margin-bottom: 20px; font-weight: 600; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); max-width: 15ch; }
.hero p.lead { margin-top: 24px; max-width: 58ch; font-size: 19px; color: var(--muted); }
.hero .actions { margin-top: 36px; display: flex; flex-wrap: wrap; gap: 12px; }

.chat-demo { margin-top: 0; background: var(--dark); color: var(--dark-text); border-radius: 20px; padding: 28px; display: grid; gap: 12px; max-width: 640px; }
.chat-demo .row { display: flex; }
.chat-demo .row.bot { justify-content: flex-end; }
.chat-demo .bubble { max-width: 80%; padding: 10px 14px; border-radius: 14px; font-size: 15px; line-height: 1.45; }
.chat-demo .user .bubble { background: #2a2825; border-top-left-radius: 4px; }
.chat-demo .bot .bubble { background: #34323b; border-top-right-radius: 4px; }
.chat-demo .note { justify-self: center; font-size: 12.5px; color: #aaa69c; border: 1px dashed #3a3732; padding: 3px 10px; border-radius: 999px; }
.chat-demo .caption { font-size: 12.5px; color: #78746b; margin-top: 4px; }

/* ── bo'limlar ── */
section.block { padding: 72px 0; border-top: 1px solid var(--line); }
.block h2 { font-size: clamp(30px, 4vw, 42px); max-width: 22ch; }
.block .intro { margin-top: 14px; color: var(--muted); max-width: 60ch; }

.steps { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; counter-reset: step; }
.step { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 24px; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 32px; height: 32px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 600; font-size: 15px; margin-bottom: 16px; }
.step h3 { font-size: 22px; }
.step p { margin-top: 8px; color: var(--muted); font-size: 16px; }

.features { margin-top: 40px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; }
.feature { background: var(--surface); padding: 26px 24px; }
.feature h3 { font-size: 21px; }
.feature p { margin-top: 8px; color: var(--muted); font-size: 16px; }
.tag { display: inline-block; margin-left: 6px; font-family: var(--sans); font-size: 12px; padding: 2px 8px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); vertical-align: 3px; }

.contact { margin-top: 36px; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.contact-card { background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 22px 24px; }
.contact-card span { display: block; font-size: 13px; letter-spacing: 0.06em; text-transform: uppercase; color: var(--faint); }
.contact-card a { display: block; margin-top: 8px; font-size: 18px; text-decoration: none; overflow-wrap: anywhere; }
.contact-card a:hover { text-decoration: underline; text-underline-offset: 4px; }

/* ── pastki qism ── */
footer.site { border-top: 1px solid var(--line); padding: 32px 0 48px; color: var(--faint); font-size: 14px; }
footer.site .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; }
footer.site nav { display: flex; flex-wrap: wrap; gap: 20px; }
footer.site a { text-decoration: none; color: var(--muted); }
footer.site a:hover { color: var(--ink); }

/* ── huquqiy sahifalar ── */
.doc { padding: 56px 0 80px; }
.doc .wrap { max-width: 760px; }
.doc h1 { font-size: clamp(34px, 5vw, 46px); }
.doc .updated { margin-top: 10px; color: var(--faint); font-size: 15px; }
.doc h2 { font-size: 26px; margin-top: 44px; }
.doc p, .doc li { color: #34322e; }
.doc p { margin-top: 14px; }
.doc ul { margin: 14px 0 0; padding-left: 22px; }
.doc li + li { margin-top: 8px; }
.doc code { font-family: ui-monospace, "SF Mono", Menlo, monospace; font-size: 0.9em; background: var(--accent-soft); color: var(--accent); padding: 1px 6px; border-radius: 5px; }
.doc .table-wrap { overflow-x: auto; margin-top: 16px; }
.doc table { width: 100%; min-width: 520px; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--line); }
.doc th { font-weight: 600; color: var(--muted); font-size: 13px; letter-spacing: 0.04em; text-transform: uppercase; }
.doc .box { margin-top: 18px; padding: 18px 20px; background: var(--surface); border: 1px solid var(--line); border-radius: 14px; }

@media (max-width: 860px) {
  .steps, .features, .contact { grid-template-columns: 1fr; }
  .hero .wrap { grid-template-columns: 1fr; gap: 40px; }
  .top nav a.hide-sm { display: none; }
  .hero { padding: 56px 0 48px; }
  section.block { padding: 56px 0; }
}