/* Tixu marketing site: static, no scripts, no trackers. */
:root { --ink: #0f172a; --muted: #475569; --amber: #f59e0b; --amber-soft: #fef3c7; --bg: #fffbeb; --card: #ffffff; --green: #059669; }
* { box-sizing: border-box; }
body { margin: 0; font: 18px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, "PingFang SC", "Noto Sans SC", sans-serif; color: var(--ink); background: var(--bg); }
a { color: inherit; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.logo { font-weight: 800; font-size: 26px; letter-spacing: -0.5px; text-decoration: none; }
.logo span { color: var(--amber); }
nav a { margin-left: 18px; text-decoration: none; color: var(--muted); font-size: 16px; }
.btn { display: inline-block; background: var(--ink); color: #fff; padding: 12px 22px; border-radius: 14px; text-decoration: none; font-weight: 700; }
.btn.light { background: var(--card); color: var(--ink); box-shadow: inset 0 0 0 2px #e2e8f0; }
.hero { padding: 56px 0 40px; display: grid; gap: 36px; grid-template-columns: 1.2fr 1fr; align-items: center; }
.hero h1 { font-size: 48px; line-height: 1.1; margin: 0 0 16px; letter-spacing: -1px; }
.hero p.lead { font-size: 21px; color: var(--muted); margin: 0 0 26px; }
.pill { display: inline-block; background: var(--amber-soft); color: #92400e; border-radius: 999px; padding: 4px 12px; font-size: 14px; font-weight: 600; margin-bottom: 14px; }
.card { background: var(--card); border-radius: 24px; padding: 24px; box-shadow: 0 1px 2px rgba(15,23,42,.06), inset 0 0 0 1px #e2e8f0; }
.phone .step { border-radius: 16px; padding: 12px 14px; margin: 8px 0; background: #f8fafc; font-size: 16px; }
.phone .step b { display: block; font-size: 13px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.phone .step.on { background: var(--amber-soft); }
section { padding: 44px 0; }
section h2 { font-size: 32px; margin: 0 0 8px; letter-spacing: -0.5px; }
section p.sub { color: var(--muted); margin: 0 0 28px; max-width: 720px; }
.grid { display: grid; gap: 18px; grid-template-columns: repeat(3, 1fr); }
.grid.two { grid-template-columns: repeat(2, 1fr); }
.card h3 { margin: 6px 0 6px; font-size: 20px; }
.card p { margin: 0; color: var(--muted); font-size: 16px; }
.emoji { font-size: 30px; }
ol.cycle { counter-reset: s; list-style: none; padding: 0; display: grid; gap: 12px; grid-template-columns: repeat(4, 1fr); }
ol.cycle li { counter-increment: s; background: var(--card); border-radius: 18px; padding: 16px; box-shadow: inset 0 0 0 1px #e2e8f0; font-size: 16px; }
ol.cycle li::before { content: counter(s); display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 999px; background: var(--amber); color: #fff; font-weight: 800; margin-bottom: 8px; }
ol.cycle li strong { display: block; font-size: 17px; }
ul.checks { list-style: none; padding: 0; margin: 0; }
ul.checks li { padding-left: 30px; position: relative; margin: 10px 0; }
ul.checks li::before { content: "✓"; position: absolute; left: 0; color: var(--green); font-weight: 800; }
.band { background: var(--ink); color: #fff; border-radius: 28px; padding: 36px; display: flex; gap: 20px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.band p { color: #cbd5e1; margin: 6px 0 0; }
.band .btn { background: var(--amber); color: var(--ink); }
details { background: var(--card); border-radius: 16px; padding: 14px 18px; margin: 10px 0; box-shadow: inset 0 0 0 1px #e2e8f0; }
summary { cursor: pointer; font-weight: 700; }
details p { color: var(--muted); margin: 10px 0 0; font-size: 16px; }
footer { padding: 36px 0 48px; color: var(--muted); font-size: 15px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }
@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; padding-top: 28px; }
  .hero h1 { font-size: 36px; }
  .grid, .grid.two, ol.cycle { grid-template-columns: 1fr; }
  nav a.hide-sm { display: none; }
}