/* PassMyTheory marketing site - shared styles */
:root {
  --blue: #1f7ae0;
  --blue-dark: #1666c1;
  --indigo: #5b5bd6;
  --teal: #0fb9b1;
  --coral: #ff6b4a;
  --amber: #f7a814;
  --green: #1f9d55;
  --ink: #0f2c4d;
  --text: #3d4a5c;
  --muted: #6b7280;
  --line: #e7edf4;
  --bg-soft: #eef4fc;
  --red: #d62828;
  --radius: 16px;
  --maxw: 1080px;
  --grad: linear-gradient(135deg, #2b8cf0 0%, #5b5bd6 100%);
  --grad-warm: linear-gradient(135deg, #ff8a5b 0%, #ff6b4a 100%);
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, "Segoe UI", Roboto, -apple-system, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: #fff;
  -webkit-font-smoothing: antialiased;
}

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

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* Header / nav */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  color: var(--ink);
  font-size: 1.15rem;
}
.brand:hover { text-decoration: none; }
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 8px;
  background: #fff;
  border: 2px solid var(--red);
  color: var(--red);
  font-weight: 900;
  font-size: 1.1rem;
}
.nav-links { display: flex; gap: 22px; align-items: center; }
.nav-links a { color: var(--ink); font-weight: 600; font-size: 0.95rem; }
.nav-cta {
  background: var(--grad);
  color: #fff !important;
  padding: 9px 18px;
  border-radius: 99px;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(43, 140, 240, 0.35);
}
.nav-cta:hover { filter: brightness(1.05); text-decoration: none; }
@media (max-width: 640px) {
  .nav-links a:not(.nav-cta) { display: none; }
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  border: none;
}
.btn { transition: transform 0.12s ease, box-shadow 0.12s ease, filter 0.12s ease; }
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 8px 22px rgba(43, 140, 240, 0.35); }
.btn-primary:hover { text-decoration: none; transform: translateY(-2px); filter: brightness(1.05); box-shadow: 0 12px 28px rgba(43, 140, 240, 0.45); }
.btn-ghost {
  background: #fff;
  color: var(--blue);
  border: 2px solid #cfe0f4;
}
.btn-ghost:hover { background: var(--bg-soft); text-decoration: none; transform: translateY(-2px); }

/* Hero */
.hero {
  text-align: center;
  padding: 84px 0 64px;
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(1200px 420px at 15% -10%, rgba(91, 91, 214, 0.18), transparent 60%),
    radial-gradient(1000px 400px at 100% 0%, rgba(15, 185, 177, 0.18), transparent 55%),
    linear-gradient(165deg, #eaf2fb 0%, #f4f7fb 70%, #fff 100%);
  border-bottom: 1px solid var(--line);
}
h1 .accent {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #fff;
  background: var(--grad);
  padding: 6px 16px;
  border-radius: 99px;
  margin-bottom: 18px;
  box-shadow: 0 6px 16px rgba(43, 140, 240, 0.3);
}
h1 {
  font-size: 2.6rem;
  line-height: 1.12;
  color: var(--ink);
  margin: 0 0 16px;
}
.hero p.lead {
  font-size: 1.2rem;
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--text);
}
.hero-actions { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero-note { margin-top: 16px; font-size: 0.9rem; color: var(--muted); }
@media (max-width: 640px) { h1 { font-size: 1.9rem; } }

/* Sections */
section { padding: 56px 0; }
.section-title {
  text-align: center;
  font-size: 1.9rem;
  color: var(--ink);
  margin: 0 0 8px;
}
.section-title::after {
  content: "";
  display: block;
  width: 64px;
  height: 4px;
  margin: 12px auto 0;
  border-radius: 99px;
  background: var(--grad);
}
.section-sub {
  text-align: center;
  color: var(--muted);
  max-width: 600px;
  margin: 0 auto 36px;
}

/* Feature grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 18px;
}
.card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 24px 22px;
  background: #fff;
  box-shadow: 0 6px 18px rgba(15, 44, 77, 0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  border-top: 4px solid var(--blue);
}
.card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(15, 44, 77, 0.12); }
.card h3 { margin: 0 0 8px; color: var(--ink); font-size: 1.15rem; }
.card p { margin: 0; color: var(--text); font-size: 0.97rem; }
.card .ic {
  font-size: 1.5rem;
  margin-bottom: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--bg-soft);
}
/* Rotate accent colours across the cards for a vibrant grid */
.grid .card:nth-child(6n+1) { border-top-color: var(--blue); }
.grid .card:nth-child(6n+1) .ic { background: rgba(31,122,224,0.12); }
.grid .card:nth-child(6n+2) { border-top-color: var(--coral); }
.grid .card:nth-child(6n+2) .ic { background: rgba(255,107,74,0.14); }
.grid .card:nth-child(6n+3) { border-top-color: var(--teal); }
.grid .card:nth-child(6n+3) .ic { background: rgba(15,185,177,0.14); }
.grid .card:nth-child(6n+4) { border-top-color: var(--amber); }
.grid .card:nth-child(6n+4) .ic { background: rgba(247,168,20,0.16); }
.grid .card:nth-child(6n+5) { border-top-color: var(--indigo); }
.grid .card:nth-child(6n+5) .ic { background: rgba(91,91,214,0.14); }
.grid .card:nth-child(6n+6) { border-top-color: var(--green); }
.grid .card:nth-child(6n+6) .ic { background: rgba(31,157,85,0.14); }

/* Steps */
.steps { counter-reset: step; display: grid; gap: 16px; max-width: 720px; margin: 0 auto; }
.step { display: flex; gap: 16px; align-items: flex-start; }
.step .num {
  flex: none;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800;
  box-shadow: 0 6px 16px rgba(43, 140, 240, 0.3);
}
.step h3 { margin: 2px 0 4px; color: var(--ink); font-size: 1.1rem; }
.step p { margin: 0; }

/* Pricing */
.pricing { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 18px; max-width: 760px; margin: 0 auto; }
.price-card { border: 2px solid var(--line); border-radius: 18px; padding: 28px; text-align: center; background: #fff; transition: transform 0.15s ease; }
.price-card:hover { transform: translateY(-3px); }
.price-card.feature {
  border-color: transparent;
  background:
    linear-gradient(#fff, #fff) padding-box,
    var(--grad) border-box;
  border: 2px solid transparent;
  box-shadow: 0 16px 40px rgba(43, 140, 240, 0.18);
  position: relative;
}
.price-card.feature::before {
  content: "Most popular";
  position: absolute;
  top: -13px; left: 50%;
  transform: translateX(-50%);
  background: var(--grad-warm);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 5px 14px;
  border-radius: 99px;
  box-shadow: 0 6px 16px rgba(255, 107, 74, 0.4);
}
.price-name { font-weight: 700; color: var(--ink); }
.price-amount { font-size: 2.4rem; font-weight: 800; color: var(--blue); margin: 8px 0; }
.price-sub { color: var(--muted); font-size: 0.9rem; margin-bottom: 16px; }
.price-card ul { text-align: left; padding-left: 20px; margin: 16px 0; color: var(--text); }
.price-card li { margin: 6px 0; }

/* FAQ */
.faq { max-width: 760px; margin: 0 auto; }
.faq details {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 4px 18px;
  margin-bottom: 12px;
}
.faq summary {
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  padding: 14px 0;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq details[open] summary { border-bottom: 1px solid var(--line); }
.faq details p { padding: 14px 0; margin: 0; }

/* CTA band */
.cta-band {
  background: linear-gradient(135deg, #1f7ae0 0%, #5b5bd6 55%, #0fb9b1 120%);
  color: #fff;
  text-align: center;
  border-radius: 22px;
  padding: 52px 24px;
  margin: 0 0 8px;
  box-shadow: 0 18px 44px rgba(43, 140, 240, 0.3);
}
.cta-band h2 { color: #fff; margin: 0 0 10px; font-size: 1.9rem; }
.cta-band p { color: rgba(255,255,255,0.9); margin: 0 0 22px; }
.cta-band .btn-primary { background: #fff; color: var(--blue); box-shadow: 0 8px 22px rgba(0,0,0,0.18); }
.cta-band .btn-primary:hover { background: #fff; filter: none; }

/* Blog */
.post-list { display: grid; gap: 16px; max-width: 760px; margin: 0 auto; }
.post-item { border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.post-item h3 { margin: 0 0 6px; }
.post-item .meta { color: var(--muted); font-size: 0.85rem; margin-bottom: 8px; }
.article { max-width: 720px; margin: 0 auto; }
.article h1 { font-size: 2rem; }
.article .meta { color: var(--muted); margin-bottom: 24px; }
.article h2 { color: var(--ink); margin-top: 32px; }
.article p, .article li { font-size: 1.05rem; }

/* Install section */
.install-wrap {
  display: flex;
  gap: 36px;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  max-width: 820px;
  margin: 0 auto;
}
.install-qr {
  text-align: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
}
.install-qr img { display: block; border-radius: 8px; }
.install-qr p { margin: 10px 0 0; font-size: 0.85rem; color: var(--muted); }
.install-howto { display: grid; gap: 16px; min-width: 260px; }
.howto-block h3 { margin: 0 0 6px; color: var(--ink); font-size: 1.05rem; }
.howto-block ol { margin: 0; padding-left: 20px; color: var(--text); }
.howto-block li { margin: 4px 0; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--line);
  padding: 36px 0;
  color: var(--muted);
  font-size: 0.9rem;
}
.footer-row { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
.footer-links a { color: var(--text); margin-left: 18px; }