:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --sage: #4a7c59;
  --sage-light: #6b9e7a;
  --sage-pale: #e8f0e6;
  --amber: #d4920a;
  --amber-light: #f0e4c8;
  --text: #1a1a1a;
  --text-mid: #4a4a4a;
  --text-light: #7a7a7a;
  --border: #e4e1d8;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── NAV ─────────────────────────────────── */
.nav {
  padding: 20px 40px;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
}
.nav-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}
.nav-badge {
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--sage-pale);
  color: var(--sage);
  padding: 2px 10px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}

/* ─── HERO ─────────────────────────────────── */
.hero {
  padding: 80px 40px 60px;
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-light);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: 20px;
}
.hero-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 20px;
}
.hero-lede {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 500px;
  margin-bottom: 32px;
}
.hero-cta-row {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hero-stat {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--sage);
}
.hero-divider {
  color: var(--text-light);
}
.hero-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.04);
}
.hero-card-icon {
  margin-bottom: 16px;
}
.hero-card-text {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-style: italic;
  font-weight: 400;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
}
.hero-card-sub {
  font-size: 0.8rem;
  color: var(--text-light);
}

/* ─── PROOF STRIP ──────────────────────────── */
.proof {
  padding: 40px 40px;
  background: var(--sage);
}
.proof-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: space-between;
}
.proof-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  text-align: center;
}
.proof-number {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: -0.02em;
}
.proof-label {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.3;
}
.proof-sep {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.2);
}

/* ─── SECTION SHARED ───────────────────────── */
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--sage);
  margin-bottom: 12px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.025em;
  color: var(--text);
  margin-bottom: 16px;
}

/* ─── HOW IT WORKS ─────────────────────────── */
.how {
  padding: 80px 40px;
}
.how-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.how .section-headline {
  max-width: 560px;
  margin-bottom: 60px;
}
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}
.step {
  position: relative;
}
.step-num {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 300;
  color: var(--sage-pale);
  letter-spacing: -0.05em;
  line-height: 1;
  display: block;
  margin-bottom: 16px;
}
.step-title {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
  line-height: 1.3;
}
.step-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ─── MODALITIES ───────────────────────────── */
.modalities {
  padding: 80px 40px;
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.modalities-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.modalities-sub {
  font-size: 1rem;
  color: var(--text-mid);
  margin-bottom: 48px;
  max-width: 600px;
}
.mod-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.mod-card {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px 28px;
  background: var(--bg);
  position: relative;
  transition: transform 0.2s ease;
}
.mod-card:hover {
  transform: translateY(-4px);
}
.mod-card--weekly { border-top: 3px solid var(--sage); }
.mod-card--daily { border-top: 3px solid var(--sage-light); }
.mod-card--oral { border-top: 3px solid var(--sage); }
.mod-illo {
  margin-bottom: 20px;
}
.mod-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 4px;
}
.mod-type {
  font-size: 0.75rem;
  color: var(--sage);
  font-weight: 500;
  letter-spacing: 0.04em;
  margin-bottom: 12px;
  text-transform: uppercase;
}
.mod-desc {
  font-size: 0.88rem;
  color: var(--text-mid);
  line-height: 1.6;
}
.mod-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--sage);
  background: var(--sage-pale);
  padding: 3px 10px;
  border-radius: 99px;
  letter-spacing: 0.04em;
}

/* ─── DOCTOR / REGULATORY ──────────────────── */
.doctor {
  padding: 80px 40px;
  background: var(--sage-pale);
}
.doctor-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.doctor-body {
  font-size: 1rem;
  color: var(--text-mid);
  line-height: 1.7;
  max-width: 680px;
  margin-bottom: 36px;
}
.doctor-pillars {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 680px;
  margin-bottom: 28px;
}
.pillar {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.pillar-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--sage);
  margin-top: 6px;
  flex-shrink: 0;
}
.pillar p {
  font-size: 0.92rem;
  color: var(--text-mid);
  line-height: 1.5;
}
.doctor-note {
  font-size: 0.78rem;
  color: var(--text-light);
  line-height: 1.6;
  max-width: 680px;
  border-left: 2px solid var(--sage);
  padding-left: 16px;
}

/* ─── CLOSING ──────────────────────────────── */
.closing {
  padding: 100px 40px;
  text-align: center;
}
.closing-inner {
  max-width: 700px;
  margin: 0 auto;
}
.closing-headline {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 24px;
}
.closing-sub {
  font-size: 1.05rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 20px;
}
.closing-disclaimer {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.5;
}

/* ─── FOOTER ───────────────────────────────── */
.footer {
  padding: 48px 40px 32px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.footer-top {
  display: flex;
  align-items: baseline;
  gap: 16px;
  margin-bottom: 20px;
}
.footer-logo {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text);
}
.footer-tagline {
  font-size: 0.82rem;
  color: var(--text-light);
}
.footer-compliance {
  padding: 16px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 16px;
}
.footer-compliance p {
  font-size: 0.75rem;
  color: var(--text-light);
  line-height: 1.6;
}
.footer-legal p {
  font-size: 0.75rem;
  color: var(--text-light);
}

/* ─── RESPONSIVE ───────────────────────────── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 40px; }
  .hero-right { display: none; }
  .proof-inner { flex-wrap: wrap; gap: 24px; }
  .proof-sep { display: none; }
  .proof-item { flex: 1 0 40%; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .mod-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav, .hero, .how, .modalities, .doctor, .closing, .footer { padding-left: 24px; padding-right: 24px; }
  .proof { padding: 28px 24px; }
  .proof-item { flex: 1 0 100%; text-align: left; }
  .proof-inner { flex-direction: column; align-items: flex-start; gap: 20px; }
  .steps { grid-template-columns: 1fr; }
}