/* Landing page. Tokens live in site.css. */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-inner { display: flex; align-items: center; gap: 32px; height: 64px; }
.nav-links { display: flex; gap: 24px; flex: 1; }
.nav-links a { color: var(--muted); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--fg); }
.nav-cta { display: flex; gap: 8px; }

.section-title { font-size: clamp(28px, 3.6vw, 40px); margin-bottom: 36px; max-width: 22ch; }
section { padding: 96px 0; }

/* hero: asymmetric split */
.hero { padding: 72px 0 88px; }
.hero-grid { display: grid; grid-template-columns: 5fr 6fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(36px, 4.6vw, 56px); letter-spacing: -0.03em; max-width: 15ch; }
.lead { font-size: 19px; color: var(--muted); margin-top: 20px; max-width: 40ch; }
.hero-cta { display: flex; gap: 12px; margin-top: 32px; flex-wrap: wrap; }
.hero-shot { margin: 0; border-radius: 14px; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); background: var(--surface); }

/* features: bento with 5 cells in two full rows: [wide wide tint] / [plain shot accent] */
.features { background: var(--surface); border-block: 1px solid var(--line); }
.bento { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: minmax(220px, auto); gap: 16px; }
.cell { border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; background: var(--bg);
  display: flex; flex-direction: column; gap: 10px; overflow: hidden; }
.cell h3 { font-size: 20px; }
.cell p { color: var(--muted); }
.cell img { border-radius: 8px; border: 1px solid var(--line); margin-top: auto; }
.cell-wide { grid-column: span 2; display: grid; grid-template-columns: 1fr 1.3fr; gap: 24px; align-items: center; }
.cell-wide img { margin: 0; }
.cell-tall { padding-bottom: 0; }
.cell-tall img { width: 100%; height: 200px; object-fit: cover; object-position: left top; border-bottom: 0; border-radius: 8px 8px 0 0; }
.cell-tint { background: var(--tint); border-color: transparent; }
.cell-accent { background: var(--accent); border-color: var(--accent); color: var(--accent-fg); }
.cell-accent p { color: color-mix(in srgb, var(--accent-fg) 82%, transparent); }
.cell-accent .btn { margin-top: auto; align-self: flex-start; background: var(--accent-fg); color: var(--accent); border-color: var(--accent-fg); }

/* security: a left-to-right flow, no cards */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; counter-reset: flow; }
.flow li { position: relative; padding: 24px 32px 0 0; border-top: 2px solid var(--line); }
.flow li::before { content: ""; position: absolute; top: -7px; left: 0; width: 12px; height: 12px; border-radius: 50%; background: var(--accent); }
.flow h3 { font-size: 19px; margin-bottom: 8px; }
.flow p { color: var(--muted); max-width: 32ch; }
.warning { margin-top: 48px; padding: 16px 20px; border-left: 3px solid var(--accent); background: var(--tint); border-radius: 0 var(--radius) var(--radius) 0; max-width: 70ch; }

/* install: steps + download card */
.install { background: var(--surface); border-block: 1px solid var(--line); }
.install-grid { display: grid; grid-template-columns: 3fr 2fr; gap: 56px; align-items: start; }
.steps { padding-left: 22px; margin: 0 0 20px; display: grid; gap: 12px; font-size: 17px; }
.steps li::marker { color: var(--accent); font-weight: 700; }
.download-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 32px; text-align: center; background: var(--bg); box-shadow: var(--shadow); }
.download-card img { margin: 0 auto 16px; border-radius: 14px; }
.download-card .btn { margin-top: 20px; width: 100%; }

/* faq */
.faq-wrap { max-width: 760px; }
details { border-bottom: 1px solid var(--line); padding: 18px 0; }
summary { cursor: pointer; font-weight: 600; font-size: 18px; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
summary::-webkit-details-marker { display: none; }
summary::after { content: "+"; color: var(--accent); font-size: 22px; line-height: 1; }
details[open] summary::after { content: "−"; }
details p { color: var(--muted); margin-top: 10px; max-width: 65ch; }

.footer { padding: 40px 0; border-top: 1px solid var(--line); }
.footer-inner { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }
.footer nav { display: flex; gap: 20px; flex: 1; }
.footer nav a { color: var(--muted); text-decoration: none; }

@media (max-width: 900px) {
  .nav-links { display: none; }
  .nav-inner { justify-content: space-between; }
  .hero-grid, .install-grid { grid-template-columns: 1fr; gap: 40px; }
  .bento { grid-template-columns: 1fr; }
  .cell-wide { grid-column: auto; grid-template-columns: 1fr; }
  .cell-tall { grid-row: auto; }
  .flow { grid-template-columns: 1fr; gap: 32px; }
  section { padding: 64px 0; }
}
@media (max-width: 480px) {
  .wrap { padding: 0 16px; }
  .nav-cta .btn:first-child { display: none; }
}