:root {
  --bg: #f4f1ea;
  --ink: #1b1b1b;
  --muted: #5a5a55;
  --card: #ffffff;
  --accent: #1b1b1b;
  --gold: #c58f1e;
  --line: #e2ddd0;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  padding-bottom: 84px; /* room for sticky bar on mobile */
}
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.01em; }
p { margin: 0; }

/* Header */
.lp-header { border-bottom: 1px solid var(--line); background: var(--bg); }
.lp-header .wrap { display: flex; align-items: center; justify-content: space-between; height: 58px; }
.brand { font-weight: 800; font-size: 19px; letter-spacing: -0.02em; }
.ad-tag { font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--muted); }

/* Hero */
.hero { padding: 40px 0 36px; }
.hero-grid { display: grid; gap: 28px; }
.label { font-size: 13px; text-transform: uppercase; letter-spacing: 0.1em; color: var(--gold); font-weight: 700; margin-bottom: 12px; }
h1 { font-size: 36px; font-weight: 800; }
.subhead { margin-top: 16px; font-size: 19px; color: var(--muted); max-width: 34em; }
.hero-actions { margin-top: 26px; }
.under-btn { margin-top: 10px; font-size: 14px; color: var(--muted); }
.bullets { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 10px; }
.bullets li { display: flex; gap: 10px; align-items: flex-start; font-size: 16px; }
.bullets svg { flex: 0 0 auto; color: var(--gold); margin-top: 1px; }
/* Portrait source (2:3). Crop wide on mobile around the aligners; taller crop on desktop. */
.hero-photo img { width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: cover; object-position: 50% 48%; border-radius: 16px; display: block; }

/* CTA */
.cta-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--accent); color: #fff; text-decoration: none;
  font-weight: 700; font-size: 18px;
  padding: 16px 30px; border-radius: 999px;
  min-height: 56px; width: 100%;
  transition: transform .08s ease, background .15s ease;
}
.cta-btn:hover { background: #000; }
.cta-btn:active { transform: scale(0.98); }
.cta-btn:focus-visible { outline: 3px solid var(--gold); outline-offset: 3px; }

/* Sections */
.steps, .why { padding: 40px 0; }
.steps { background: var(--card); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
h2 { font-size: 28px; font-weight: 800; margin-bottom: 22px; }
.step-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 18px; }
.step-list li { display: flex; gap: 16px; align-items: flex-start; }
.step-list .n {
  flex: 0 0 auto; width: 36px; height: 36px; border-radius: 50%;
  background: var(--ink); color: #fff; font-weight: 700;
  display: flex; align-items: center; justify-content: center;
}
.step-list h3, .card h3 { font-size: 18px; margin-bottom: 4px; }
.step-list p, .card p { color: var(--muted); font-size: 16px; }
.cards { display: grid; gap: 14px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; }

.band { background: var(--ink); color: #fff; text-align: center; padding: 48px 0; }
.band h2 { margin-bottom: 22px; }
.band .cta-btn { background: #fff; color: var(--ink); max-width: 420px; }
.band .cta-btn:hover { background: #f0ece0; }
.band .under-btn { color: #bdbab0; }

/* Footer */
.lp-footer { padding: 28px 0 36px; font-size: 12.5px; color: var(--muted); line-height: 1.6; }
.lp-footer .copyright { margin-top: 14px; }
.foot-links { margin-top: 14px; display: flex; gap: 18px; }
.foot-links a { color: var(--muted); text-decoration: underline; }
.foot-links a:hover { color: var(--ink); }

/* Legal pages */
.legal-page { padding-bottom: 0; }
.legal { padding: 36px 0 24px; max-width: 760px; margin: 0 auto; }
.legal h1 { font-size: 32px; }
.legal .effective { color: var(--muted); font-size: 14px; margin: 6px 0 22px; }
.legal h2 { font-size: 20px; margin: 28px 0 8px; }
.legal p, .legal li { font-size: 16px; color: #333; }
.legal p { margin: 0 0 12px; }
.legal ul { margin: 0 0 12px; padding-left: 22px; }
.legal li { margin-bottom: 6px; }

/* Sticky mobile CTA */
.sticky-bar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  background: rgba(244, 241, 234, 0.96); border-top: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.sticky-bar .cta-btn { min-height: 52px; font-size: 17px; }

@media (min-width: 760px) {
  body { padding-bottom: 0; }
  .sticky-bar { display: none; }
  .hero { padding: 64px 0 56px; }
  .hero.has-photo .hero-grid { grid-template-columns: 1.1fr 0.9fr; align-items: center; gap: 48px; }
  .hero-photo img { aspect-ratio: 4 / 5; }
  h1 { font-size: 50px; }
  .cta-btn { width: auto; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .step-list { grid-template-columns: repeat(2, 1fr); gap: 26px 40px; }
}