/* Ancyo landing — theme-aware, responsive, no build step. */
:root {
  --bg: #ffffff;
  --fg: #0f172a;
  --muted: #64748b;
  --card: #f8fafc;
  --border: #e2e8f0;
  --brand: #2563eb;
  --brand-fg: #ffffff;
  --accent: #eff6ff;
  --radius: 14px;
  --maxw: 1080px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --fg: #e5e9f0;
    --muted: #94a3b8;
    --card: #121a2c;
    --border: #1e293b;
    --brand: #3b82f6;
    --accent: #10203c;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }
a { color: inherit; text-decoration: none; }

/* nav */
.nav { border-bottom: 1px solid var(--border); position: sticky; top: 0; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); z-index: 10; }
.nav-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 700; font-size: 18px; display: inline-flex; align-items: center; gap: 8px; }
.brand-mark { width: 26px; height: 26px; border-radius: 7px; background: var(--brand); color: var(--brand-fg); display: grid; place-items: center; font-weight: 800; }
.nav-right { display: flex; align-items: center; gap: 14px; }
.lang { display: inline-flex; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.lang button { background: transparent; color: var(--muted); border: 0; padding: 6px 10px; font: inherit; font-size: 13px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--accent); color: var(--fg); font-weight: 600; }

/* buttons */
.btn { display: inline-block; background: var(--brand); color: var(--brand-fg); padding: 12px 20px; border-radius: 12px; font-weight: 600; transition: transform .06s ease, opacity .2s; }
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-sm { padding: 7px 14px; font-size: 14px; }
.btn-lg { padding: 15px 26px; font-size: 17px; }
.btn[aria-disabled="true"] { opacity: .55; cursor: default; }

/* hero */
.hero { padding: 88px 20px 56px; text-align: center; max-width: 820px; }
.eyebrow { color: var(--brand); font-weight: 600; letter-spacing: .02em; text-transform: uppercase; font-size: 13px; margin: 0 0 14px; }
.hero h1 { font-size: clamp(32px, 5vw, 52px); line-height: 1.1; margin: 0 0 18px; letter-spacing: -0.02em; }
.lead { font-size: clamp(17px, 2.2vw, 20px); color: var(--muted); margin: 0 auto 28px; max-width: 640px; }
.hero-cta { display: flex; flex-direction: column; align-items: center; gap: 10px; }
.hero-note { color: var(--muted); font-size: 14px; }

/* promises */
.promises { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 24px 20px 64px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 26px; }
.card .ic { font-size: 28px; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); }

/* how */
.how { padding: 24px 20px 64px; text-align: center; }
.how h2 { font-size: clamp(26px, 3.5vw, 34px); margin: 0 0 32px; }
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; text-align: left; }
.steps li { display: flex; gap: 14px; align-items: flex-start; }
.steps .n { flex: 0 0 auto; width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: var(--brand); font-weight: 800; display: grid; place-items: center; }
.steps h4 { margin: 2px 0 4px; font-size: 17px; }
.steps p { margin: 0; color: var(--muted); }

/* install */
.install { text-align: center; padding: 56px 20px 80px; background: var(--accent); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.install h2 { font-size: clamp(26px, 3.5vw, 34px); margin: 0 0 12px; }
.install > p { color: var(--muted); margin: 0 0 24px; }
.install .soon { font-size: 14px; margin-top: 16px; }

/* footer */
.footer { padding: 28px 20px; }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--muted); font-size: 14px; }
.muted { color: var(--muted); }

@media (max-width: 760px) {
  .promises, .steps { grid-template-columns: 1fr; }
  .hero { padding-top: 56px; }
  .footer-inner { flex-direction: column; text-align: center; }
}