:root {
  --red: #ed3a2a;
  --red-dark: #c0271a;
  --red-deep: #8e1b12;
  --cream: #fff7f4;
  --cream-2: #ffeeea;
  --ink: #2a1f1d;
  --muted: #6e5c58;
  --card: #ffffff;
  --line: #f1ddd8;
  --shadow: 0 18px 50px rgba(142, 27, 18, 0.14);
  --radius: 16px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.55;
}
a { color: var(--red-dark); text-decoration: none; }
.container { width: min(1120px, 92vw); margin: 0 auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 16px;
  border: none;
  border-radius: 999px;
  padding: 13px 26px;
  cursor: pointer;
  transition: transform .08s ease, box-shadow .2s ease, background .2s ease;
}
.btn-primary { background: var(--red); color: #fff; box-shadow: 0 10px 24px rgba(237, 58, 42, .35); }
.btn-primary:hover { background: var(--red-dark); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border: 2px solid var(--line); }
.btn-ghost:hover { border-color: var(--red); color: var(--red-dark); }
.btn-lg { font-size: 18px; padding: 16px 32px; }

/* Nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  background: rgba(255, 247, 244, .85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 14px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 18px; color: var(--ink); }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 26px; }
.nav-links a { color: var(--muted); font-weight: 600; }
.nav-links a:hover { color: var(--ink); }

/* Hero */
.hero { padding: 72px 0 56px; }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.pill {
  display: inline-block; background: var(--cream-2); color: var(--red-deep);
  font-weight: 700; font-size: 13px; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 { font-size: clamp(34px, 5vw, 56px); line-height: 1.05; margin: 0 0 16px; letter-spacing: -.02em; }
.hero h1 .accent { color: var(--red); }
.hero p.lead { font-size: 19px; color: var(--muted); margin: 0 0 28px; max-width: 30em; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.hero-note { font-size: 13px; color: var(--muted); margin-top: 14px; }

/* Ribbon mock (hero visual) */
.mock { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; border: 1px solid var(--line); }
.mock-ribbon { display: flex; align-items: flex-end; gap: 18px; padding: 14px 18px; background: linear-gradient(#fbfbfb, #f3f3f3); border-bottom: 1px solid #e6e6e6; }
.mock-tool { display: flex; flex-direction: column; align-items: center; gap: 6px; color: #8a8a8a; font-size: 11px; }
.mock-tool .glyph { width: 26px; height: 26px; border-radius: 6px; background: #e2e2e2; }
.mock-tool.rover { color: var(--red-dark); font-weight: 800; }
.mock-tool.rover img { width: 30px; height: 30px; }
.mock-body { position: relative; padding: 22px; min-height: 188px; background:
  radial-gradient(120% 80% at 80% 0%, #fff 0%, #fff6f3 100%); }
.mock-email .from { font-weight: 700; }
.mock-email .subj { color: var(--muted); margin: 2px 0 14px; }
.mock-email .lines span { display: block; height: 9px; border-radius: 5px; background: #eadfdb; margin: 9px 0; }
.mock-email .lines span:nth-child(2) { width: 86%; }
.mock-email .lines span:nth-child(3) { width: 72%; }
.popup {
  position: absolute; right: 20px; bottom: 18px; width: 200px; text-align: center;
  background: #fff; border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); padding: 16px;
}
.popup img { width: 56px; height: 56px; }
.popup b { display: block; color: var(--red-dark); font-size: 17px; margin-top: 6px; }
.popup small { color: var(--muted); }

/* Sections */
section.band { padding: 70px 0; }
section.band.alt { background: linear-gradient(#fff, var(--cream-2)); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { text-align: center; max-width: 40em; margin: 0 auto 44px; }
.section-head h2 { font-size: clamp(26px, 3.4vw, 38px); margin: 0 0 12px; letter-spacing: -.01em; }
.section-head p { color: var(--muted); font-size: 18px; margin: 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; box-shadow: 0 8px 24px rgba(142,27,18,.06); }
.card .ico { width: 46px; height: 46px; border-radius: 12px; background: var(--cream-2); display: grid; place-items: center; font-size: 24px; margin-bottom: 14px; }
.card h3 { margin: 0 0 8px; font-size: 19px; }
.card p { margin: 0; color: var(--muted); }

.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; position: relative; }
.step::before {
  counter-increment: step; content: counter(step);
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 999px;
  background: var(--red); color: #fff; font-weight: 800; margin-bottom: 14px;
}
.step h3 { margin: 0 0 6px; font-size: 18px; }
.step p { margin: 0; color: var(--muted); }

/* Final CTA */
.cta-final { text-align: center; }
.cta-final .box { background: linear-gradient(135deg, var(--red), var(--red-deep)); color: #fff; border-radius: 24px; padding: 56px 24px; box-shadow: var(--shadow); }
.cta-final img { width: 92px; height: 92px; }
.cta-final h2 { font-size: clamp(28px, 4vw, 40px); margin: 14px 0 8px; }
.cta-final p { opacity: .92; margin: 0 0 24px; font-size: 18px; }
.cta-final .btn-primary { background: #fff; color: var(--red-dark); }
.cta-final .btn-primary:hover { background: #ffeae6; }

/* Footer */
footer { padding: 40px 0; color: var(--muted); border-top: 1px solid var(--line); }
.foot-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.foot-links { display: flex; gap: 20px; }
.foot-links a { color: var(--muted); font-weight: 600; }

/* Install page */
.install-wrap { padding: 56px 0; }
.install-wrap h1 { font-size: clamp(30px, 4vw, 44px); margin: 0 0 8px; }
.install-lead { color: var(--muted); font-size: 18px; margin: 0 0 28px; }
.manifest-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; background: var(--cream-2); border: 1px solid var(--line); border-radius: 14px; padding: 16px; margin-bottom: 34px; }
.manifest-row code { background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 12px; font-size: 14px; color: var(--ink); flex: 1; min-width: 220px; overflow-x: auto; }
.guide { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.guide .card ol { margin: 10px 0 0; padding-left: 18px; color: var(--muted); }
.guide .card ol li { margin: 7px 0; }
.badge { display: inline-block; font-size: 12px; font-weight: 700; color: var(--red-deep); background: var(--cream-2); padding: 4px 10px; border-radius: 999px; margin-top: 18px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 10px; opacity: 0; transition: all .25s ease; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .cards, .steps, .guide { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}