/* ==========================================================================
   Public marketing pages
   ========================================================================== */

.public-page { background: var(--surface); }

/* --- Header ------------------------------------------------------------- */

.site-header {
  position: sticky; top: 0; z-index: 40;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
  padding-top: var(--safe-top);
}
.site-header > .container { min-height: var(--header-h); }

.site-brand {
  display: inline-flex; align-items: center; gap: var(--s-2);
  font-weight: 700; font-size: var(--t-md); color: var(--text-primary);
  letter-spacing: -.015em;
}
.site-brand:hover { text-decoration: none; }
.site-brand-mark {
  display: grid; place-items: center;
  width: 30px; height: 30px; border-radius: var(--r-sm);
  background: var(--primary); color: var(--primary-contrast);
}

.site-nav { display: none; gap: var(--s-5); }
.site-nav a { color: var(--text-secondary); font-size: var(--t-base); font-weight: 600; }
.site-nav a:hover { color: var(--text-primary); text-decoration: none; }
@media (min-width: 820px) { .site-nav { display: flex; } }

.site-signin { display: none; }
@media (min-width: 480px) { .site-signin { display: inline-flex; } }

/* --- Hero --------------------------------------------------------------- */

.hero {
  padding: var(--s-10) 0 var(--s-8);
  text-align: center;
  background:
    radial-gradient(60rem 28rem at 50% -8rem,
      color-mix(in srgb, var(--primary) 12%, transparent), transparent 70%);
}
@media (min-width: 820px) { .hero { padding: var(--s-12) 0 var(--s-10); } }

.hero-eyebrow {
  display: inline-flex; align-items: center; gap: var(--s-2);
  padding: 5px 13px; margin-bottom: var(--s-5);
  border-radius: var(--r-full);
  background: var(--primary-soft); color: var(--primary-ink);
  font-size: var(--t-xs); font-weight: 650;
}

.hero-title {
  font-size: clamp(2.1rem, 8vw, 3.6rem);
  line-height: 1.08;
  letter-spacing: -.035em;
  margin: 0 0 var(--s-4);
}

.hero-sub {
  max-width: 46ch; margin: 0 auto var(--s-6);
  font-size: var(--t-md); color: var(--text-secondary); line-height: 1.65;
}

.hero-actions {
  display: flex; flex-direction: column; gap: var(--s-3);
  max-width: 320px; margin: 0 auto;
}
.hero-actions .btn { width: 100%; }
@media (min-width: 520px) {
  .hero-actions { flex-direction: row; justify-content: center; max-width: none; }
  .hero-actions .btn { width: auto; }
}

.hero-stats {
  display: flex; flex-wrap: wrap; justify-content: center; gap: var(--s-6);
  list-style: none; margin: var(--s-8) 0 0; padding: 0;
}
.hero-stats li { display: flex; flex-direction: column; align-items: center; }
.hero-stats strong {
  font-size: var(--t-2xl); font-weight: 700; letter-spacing: -.03em;
  font-variant-numeric: tabular-nums;
}
.hero-stats span { font-size: var(--t-xs); color: var(--text-secondary);
                   text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }

/* --- Sections ----------------------------------------------------------- */

.section { padding: var(--s-10) 0; }
.section-alt { background: var(--background); }
@media (min-width: 820px) { .section { padding: var(--s-12) 0; } }

.section-heading {
  font-size: clamp(1.5rem, 4.5vw, 2rem);
  letter-spacing: -.025em;
  margin: 0 0 var(--s-3);
}
.section-lead { color: var(--text-secondary); max-width: 52ch; margin: 0 0 var(--s-6); }

/* --- Features ----------------------------------------------------------- */

.feature-grid {
  display: grid; gap: var(--s-4);
  grid-template-columns: 1fr;
  margin-top: var(--s-6);
}
@media (min-width: 640px) { .feature-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .feature-grid { grid-template-columns: repeat(3, 1fr); } }

.feature {
  padding: var(--s-5);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface);
}
.feature-icon {
  display: grid; place-items: center;
  width: 42px; height: 42px; margin-bottom: var(--s-4);
  border-radius: var(--r-md);
  background: var(--primary-soft); color: var(--primary-ink);
}
.feature h3 { font-size: var(--t-md); margin: 0 0 var(--s-2); }
.feature p { margin: 0; color: var(--text-secondary); font-size: var(--t-base); }

/* --- Plans -------------------------------------------------------------- */

.plan-grid {
  display: grid; gap: var(--s-4);
  grid-template-columns: 1fr;
  margin-top: var(--s-6);
}
@media (min-width: 640px) { .plan-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .plan-grid { grid-template-columns: repeat(4, 1fr); } }

.plan {
  position: relative;
  display: flex; flex-direction: column; gap: var(--s-2);
  padding: var(--s-5);
  border: 1px solid var(--border); border-radius: var(--r-lg);
  background: var(--surface);
}
.plan.is-recommended { border-color: var(--primary-ink); box-shadow: var(--shadow-md); }
.plan-flag {
  position: absolute; top: -11px; left: var(--s-5);
  padding: 3px 10px; border-radius: var(--r-full);
  background: var(--primary); color: var(--primary-contrast);
  font-size: var(--t-xs); font-weight: 650;
}
.plan h3 { font-size: var(--t-md); margin: 0; }
.plan-price { display: flex; align-items: baseline; gap: var(--s-2); margin: 0; }
.plan-price .amount { font-size: var(--t-2xl); font-weight: 700; letter-spacing: -.03em; }
.plan-features { list-style: none; margin: var(--s-3) 0; padding: 0; flex: 1 1 auto; }
.plan-features li {
  display: flex; align-items: flex-start; gap: var(--s-2);
  padding: 5px 0; font-size: var(--t-sm); color: var(--text-secondary);
}
.plan-features svg { margin-top: 3px; color: var(--success-ink); flex: 0 0 auto; }

/* --- FAQ ---------------------------------------------------------------- */

.faq { margin-top: var(--s-6); max-width: 46rem; }
.faq-item { border-bottom: 1px solid var(--border); }
.faq-item summary {
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  padding: var(--s-4) 0; cursor: pointer;
  font-weight: 650; font-size: var(--t-md);
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary svg { flex: 0 0 auto; color: var(--text-tertiary);
                        transition: transform .2s var(--ease); }
.faq-item[open] summary svg { transform: rotate(180deg); }
.faq-item p { margin: 0 0 var(--s-4); color: var(--text-secondary); max-width: 62ch; }

/* --- CTA ---------------------------------------------------------------- */

.cta {
  padding: var(--s-12) 0;
  text-align: center;
  background: linear-gradient(140deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.cta h2 { color: #fff; font-size: clamp(1.5rem, 5vw, 2.1rem); letter-spacing: -.028em;
          margin: 0 0 var(--s-3); }
.cta p { color: rgba(255,255,255,.85); max-width: 44ch; margin: 0 auto var(--s-6); }
.cta-btn { background: #fff; color: var(--primary); border-color: #fff; }
.cta-btn:hover { background: rgba(255,255,255,.92); }

/* --- Footer ------------------------------------------------------------- */

.site-footer {
  padding: var(--s-8) 0 calc(var(--s-8) + var(--safe-bottom));
  border-top: 1px solid var(--border);
  background: var(--background);
}
.site-footer-top {
  display: flex; flex-direction: column; gap: var(--s-5);
  justify-content: space-between; margin-bottom: var(--s-6);
}
@media (min-width: 640px) { .site-footer-top { flex-direction: row; align-items: flex-start; } }
.site-footer nav { display: flex; flex-wrap: wrap; gap: var(--s-4); }
.site-footer nav a { color: var(--text-secondary); font-size: var(--t-sm); font-weight: 600; }
.site-copy { margin: 0; font-size: var(--t-xs); color: var(--text-tertiary); }

/* --- Legal / long-form -------------------------------------------------- */

.legal { max-width: 46rem; padding: var(--s-8) 0 var(--s-12); }
.legal h1 { font-size: var(--t-2xl); letter-spacing: -.025em; }
.legal h2 { font-size: var(--t-lg); margin-top: var(--s-8); }
.legal p, .legal li { color: var(--text-secondary); }