/* HoldCart marketing site — self-contained, no build step, no external deps.
   Brand: reliable/calm. Ink + a single confident green accent + warm paper. */

:root {
  --ink: #14161a;
  --muted: #5b626e;
  --line: #e6e8ec;
  --paper: #fbfbf9;
  --card: #ffffff;
  --accent: #0f8a4f;
  --accent-soft: #eaf6ef;
  --accent-ink: #ffffff;
  --max: 1080px;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(20, 22, 26, 0.04), 0 8px 30px rgba(20, 22, 26, 0.06);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica,
    Arial, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 251, 249, 0.85);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 9px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
}
.brand:hover { text-decoration: none; }
.brand svg { display: block; }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a { color: var(--muted); font-size: 15px; }
.nav a:hover { color: var(--ink); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block;
  font-weight: 600;
  font-size: 15px;
  padding: 11px 20px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { text-decoration: none; filter: brightness(1.05); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: var(--card); }
.btn-ghost:hover { text-decoration: none; border-color: #c9cdd4; }

/* Hero */
.hero { padding: 80px 0 64px; }
.hero h1 {
  font-size: clamp(34px, 5vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  max-width: 20ch;
}
.hero p.lede {
  font-size: clamp(17px, 2.2vw, 21px);
  color: var(--muted);
  max-width: 58ch;
  margin: 0 0 28px;
}
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.hero-note { color: var(--muted); font-size: 14px; margin-top: 14px; }

/* Reservation demo card */
.demo {
  margin-top: 44px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  max-width: 420px;
}
.demo .demo-title { font-weight: 600; margin: 0 0 14px; }
.demo .demo-held {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--accent-soft); color: #0a3d20;
  border-radius: 8px; padding: 10px 12px; font-weight: 600; font-size: 14px;
}
.demo .demo-held .clock { font-variant-numeric: tabular-nums; }
.demo .demo-cta {
  width: 100%;
  margin-top: 14px;
  background: var(--ink);
  color: #fff;
  border: none;
  border-radius: 8px;
  padding: 12px;
  font: inherit;
  font-weight: 600;
  text-align: center;
}
.demo .demo-blocked {
  margin-top: 12px; font-size: 13px; color: #8b1a10;
  background: #fbeae5; border-radius: 8px; padding: 9px 11px;
}

/* Sections */
section { padding: 56px 0; }
.section-tag {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  margin: 0 0 10px;
}
h2.sh {
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  max-width: 24ch;
}
.section-lede { color: var(--muted); max-width: 60ch; margin: 0 0 36px; font-size: 17px; }

/* Promise band */
.promise {
  background: var(--accent-soft);
  border: 1px solid #cde9d6;
  border-radius: var(--radius);
  padding: 28px 32px;
  font-size: clamp(18px, 2.4vw, 22px);
  font-weight: 600;
  color: #0a3d20;
  line-height: 1.4;
}

/* Steps */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.step {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
}
.step .num {
  width: 30px; height: 30px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 14px;
  margin-bottom: 12px;
}
.step h3 { margin: 0 0 6px; font-size: 17px; }
.step p { margin: 0; color: var(--muted); font-size: 15px; }

/* Vertical cards */
.verticals { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.vcard {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.vcard h3 { margin: 0 0 6px; font-size: 16px; }
.vcard p { margin: 0; color: var(--muted); font-size: 14px; }

/* Feature list */
.features { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px 40px; }
.feature { display: flex; gap: 12px; }
.feature .check {
  flex: 0 0 auto; width: 22px; height: 22px; margin-top: 2px;
  border-radius: 50%; background: rgba(15, 138, 79, 0.1);
  color: var(--accent); display: grid; place-items: center; font-size: 13px; font-weight: 700;
}
.feature h3 { margin: 0 0 3px; font-size: 16px; }
.feature p { margin: 0; color: var(--muted); font-size: 14.5px; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(2, 1fr); gap: 22px; max-width: 720px; }
.plan {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 28px;
}
.plan.featured { border-color: var(--accent); box-shadow: var(--shadow); }
.plan .plan-name { font-weight: 700; font-size: 18px; }
.plan .price { font-size: 38px; font-weight: 800; letter-spacing: -0.02em; margin: 8px 0 2px; }
.plan .price span { font-size: 16px; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 18px 0 0; }
.plan li { padding: 7px 0 7px 26px; position: relative; color: var(--muted); font-size: 15px; }
.plan li::before { content: "✓"; position: absolute; left: 0; color: var(--accent); font-weight: 700; }

/* FAQ */
.faq details { border-bottom: 1px solid var(--line); padding: 16px 0; }
.faq summary {
  font-weight: 600; cursor: pointer; list-style: none; font-size: 17px;
  display: flex; justify-content: space-between; gap: 16px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--accent); font-weight: 700; }
.faq details[open] summary::after { content: "−"; }
.faq details p { color: var(--muted); margin: 12px 0 0; }

/* CTA band */
.cta-band { background: var(--ink); color: #fff; border-radius: 20px; padding: 48px; text-align: center; }
.cta-band h2 { color: #fff; font-size: clamp(24px, 3vw, 32px); margin: 0 0 12px; }
.cta-band p { color: #c7ccd6; margin: 0 0 24px; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 40px 0; margin-top: 40px; color: var(--muted); font-size: 14px; }
.site-footer .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--ink); text-decoration: none; }
.site-footer nav { display: flex; gap: 20px; flex-wrap: wrap; }

/* Legal / content pages */
.doc { max-width: 760px; margin: 0 auto; padding: 56px 24px 80px; }
.doc h1 { font-size: 32px; letter-spacing: -0.02em; margin: 0 0 4px; }
.doc .updated { color: #9aa1ad; font-size: 14px; margin: 0 0 32px; }
.doc h2 { font-size: 20px; margin: 32px 0 10px; }
.doc h3 { font-size: 16px; margin: 24px 0 8px; }
.doc p, .doc li { color: #3a4150; font-size: 15.5px; }
.doc ul { padding-left: 22px; }
.doc li { margin-bottom: 8px; }

@media (max-width: 760px) {
  .steps, .verticals, .features, .pricing { grid-template-columns: 1fr; }
  .nav a:not(.btn) { display: none; }
  .hero { padding: 56px 0 40px; }
  .cta-band { padding: 32px 20px; }
}