/* GasMeUp landing — single shared stylesheet. Plain CSS, no build step. */
:root {
  /* Brand tokens copied from the app — mobile/lib/brand.ts (single source of truth). */
  --navy: #1D2D5A;       /* "GasMe" / chrome / structure */
  --navy-deep: #15224a;
  --green: #4B824B;      /* "Up" / value / action */
  --green-dark: #3c693c;
  --green-tint: #E3F2E8; /* app greenPanel */
  --ink: #121C2A;        /* app primary text */
  --ink-soft: #51607d;
  --ink-faint: #94a0b8;
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --line: #e4e9f1;
  --radius: 18px;
  --shadow: 0 18px 40px -18px rgba(20, 33, 63, 0.28);
  --shadow-sm: 0 6px 20px -10px rgba(20, 33, 63, 0.22);
  --maxw: 1080px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--green-dark); }
img { max-width: 100%; display: block; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 18px 24px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 21px;
  letter-spacing: -0.03em;
  text-decoration: none;
  color: var(--navy);
}
.brand img { width: 34px; height: 34px; }
.brand .up { color: var(--green); }
.site-head nav a {
  margin-left: 22px;
  font-size: 15px;
  font-weight: 500;
  color: var(--ink-soft);
  text-decoration: none;
}
.site-head nav a:hover { color: var(--navy); }
@media (max-width: 560px) { .site-head nav a:not(.btn-sm) { display: none; } }
.btn-sm {
  display: inline-block;
  padding: 9px 16px !important;
  background: var(--navy);
  color: #fff !important;
  border-radius: 999px;
  font-weight: 600;
}
.btn-sm:hover { background: var(--navy-deep); }

/* ---------- Hero ---------- */
.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 480px at 78% -8%, rgba(78,141,91,0.14), transparent 60%),
    radial-gradient(900px 420px at 8% 0%, rgba(28,44,82,0.10), transparent 55%),
    linear-gradient(180deg, var(--bg-soft), #ffffff 72%);
  border-bottom: 1px solid var(--line);
}
.hero-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 64px 24px 72px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
}
@media (min-width: 860px) {
  .hero-grid { grid-template-columns: 1.05fr 0.95fr; gap: 32px; padding: 84px 24px 92px; }
}
.pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: 999px;
  background: var(--green-tint);
  color: var(--green-dark);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 22px;
}
.pill .blip { width: 7px; height: 7px; border-radius: 999px; background: var(--green); }
.hero h1 {
  font-size: clamp(34px, 5.6vw, 56px);
  line-height: 1.05;
  letter-spacing: -0.035em;
  margin: 0 0 20px;
  color: var(--navy);
}
.hero h1 .accent { color: var(--green-dark); }
.hero p.lede {
  font-size: clamp(17px, 2.2vw, 20px);
  color: var(--ink-soft);
  max-width: 520px;
  margin: 0 0 30px;
}
.cta-row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 20px;
  border-radius: 14px;
  background: var(--navy);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
}
.badge svg { width: 20px; height: 20px; }
.badge.ghost { background: #fff; color: var(--navy); border: 1px solid var(--line); box-shadow: none; }
.cta-note { margin-top: 16px; font-size: 14px; color: var(--ink-faint); }

/* ---------- Phone mockup ---------- */
.phone-wrap { display: flex; justify-content: center; }
.phone {
  position: relative;
  width: 280px;
  background: #0e1830;
  border-radius: 42px;
  padding: 12px;
  box-shadow: var(--shadow);
}
.phone::before {
  content: "";
  position: absolute;
  top: 14px; left: 50%; transform: translateX(-50%);
  width: 110px; height: 22px;
  background: #0e1830;
  border-radius: 0 0 14px 14px;
  z-index: 3;
}
.screen {
  background: linear-gradient(180deg, #f3f7f9, #ffffff);
  border-radius: 32px;
  overflow: hidden;
  padding: 34px 16px 20px;
}
.screen .s-head { font-size: 12px; color: var(--ink-faint); font-weight: 600; margin-bottom: 4px; }
.screen .s-title { font-size: 17px; font-weight: 800; color: var(--navy); margin-bottom: 14px; letter-spacing: -0.02em; }
.best-card {
  background: var(--navy);
  color: #fff;
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 14px;
  position: relative;
}
.best-card .crown {
  position: absolute; top: 14px; right: 14px;
  width: 26px; height: 26px;
  display: flex; align-items: center; justify-content: center;
  background: var(--green); border-radius: 999px;
}
.best-card .crown svg { width: 15px; height: 15px; }
.best-card .label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: #aab9d8; font-weight: 700; }
.best-card .name { font-size: 16px; font-weight: 700; margin: 3px 0 8px; }
.best-card .price { font-size: 30px; font-weight: 800; letter-spacing: -0.02em; }
.best-card .price span { font-size: 14px; font-weight: 600; color: #aab9d8; }
.save-chip {
  display: inline-block; margin-top: 10px;
  background: rgba(78,141,91,0.22); color: #c8eccf;
  font-size: 12px; font-weight: 700;
  padding: 5px 11px; border-radius: 999px;
}
.s-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 11px 12px; border-radius: 12px; background: #fff;
  border: 1px solid var(--line); margin-bottom: 8px;
}
.s-row .sr-name { font-size: 13px; font-weight: 600; color: var(--navy); }
.s-row .sr-dist { font-size: 11px; color: var(--ink-faint); }
.s-row .sr-price { font-size: 15px; font-weight: 700; color: var(--ink-soft); }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-head { text-align: center; max-width: 560px; margin: 0 auto 44px; }
.eyebrow { font-size: 13px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--green-dark); margin: 0 0 10px; }
section h2 { font-size: clamp(26px, 4vw, 36px); letter-spacing: -0.025em; margin: 0 0 12px; color: var(--navy); }
.section-head p { color: var(--ink-soft); margin: 0; font-size: 17px; }

.band { background: var(--bg-soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.grid3 { display: grid; gap: 20px; grid-template-columns: 1fr; }
@media (min-width: 760px) { .grid3 { grid-template-columns: repeat(3, 1fr); } }

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.icon-badge {
  width: 46px; height: 46px; border-radius: 13px;
  background: var(--green-tint); color: var(--green-dark);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.icon-badge svg { width: 24px; height: 24px; }
.card .step-n { font-size: 13px; font-weight: 800; color: var(--green); letter-spacing: 0.05em; }
.card h3 { margin: 6px 0 8px; font-size: 18px; color: var(--navy); letter-spacing: -0.01em; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

/* ---------- FAQ ---------- */
.faq { max-width: 720px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 4px 20px;
  margin-bottom: 12px;
  background: #fff;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 16px 0;
  font-weight: 650;
  font-weight: 600;
  color: var(--navy);
  font-size: 16px;
  display: flex; justify-content: space-between; align-items: center;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 22px; color: var(--green); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 0 0 18px; color: var(--ink-soft); font-size: 15px; }

/* ---------- CTA band ---------- */
.cta-final { text-align: center; }
.cta-final .card-cta {
  background: var(--navy);
  border-radius: 24px;
  padding: 54px 28px;
  color: #fff;
  max-width: 760px;
  margin: 0 auto;
  background-image: radial-gradient(700px 280px at 80% 0%, rgba(78,141,91,0.30), transparent 60%);
}
.cta-final h2 { color: #fff; }
.cta-final p { color: #c2cde6; max-width: 460px; margin: 0 auto 26px; }
.cta-final .cta-row { justify-content: center; }
.cta-final .badge.ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.3); }

/* ---------- Support ---------- */
.support { text-align: center; }
.support a.mail { font-weight: 700; font-size: 19px; color: var(--green-dark); }

/* ---------- Legal pages ---------- */
.legal { padding: 48px 0 72px; max-width: 760px; }
.legal h1 { font-size: clamp(28px, 5vw, 38px); letter-spacing: -0.025em; margin: 0 0 4px; color: var(--navy); }
.legal .updated { color: var(--ink-faint); font-size: 14px; margin: 0 0 30px; }
.legal h2 { font-size: 21px; margin: 34px 0 8px; color: var(--navy); }
.legal p, .legal li { color: var(--ink-soft); }
.legal ul { padding-left: 22px; }
.legal a { word-break: break-word; }

/* ---------- Footer ---------- */
footer {
  background: var(--navy-deep);
  color: #aeb9d2;
  padding: 44px 0 40px;
  text-align: center;
  font-size: 14px;
}
footer .brand { color: #fff; justify-content: center; margin-bottom: 14px; }
footer .brand .up { color: var(--green); }
footer .flinks a { color: #c7d0e4; text-decoration: none; margin: 0 12px; }
footer .flinks a:hover { color: #fff; }
footer .copy { margin-top: 16px; color: #7f8cab; font-size: 13px; }