:root {
  --bg: #f7faf8;
  --bg-elevated: #ffffff;
  --text: #14261f;
  --text-muted: #526059;
  --border: #dfe8e2;
  --accent: #147d70;
  --accent-strong: #0f5f55;
  --accent-soft: #e4f3ef;
  --on-accent: #ffffff;
  --shadow: 0 1px 2px rgba(20, 38, 31, 0.06), 0 8px 24px rgba(20, 38, 31, 0.06);
  --radius: 16px;
  --max-width: 1080px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1613;
    --bg-elevated: #16211c;
    --text: #eaf3ee;
    --text-muted: #9db3a8;
    --border: #223129;
    --accent: #3fcdb7;
    --accent-strong: #6fe0cd;
    --accent-soft: #16332d;
    --on-accent: #06231d;
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 12px 32px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  line-height: 1.55;
}

img { max-width: 100%; display: block; }

a { color: var(--accent-strong); }

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

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
}

.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 17px;
  text-decoration: none;
  color: var(--text);
}

.nav-brand img { width: 28px; height: 28px; border-radius: 7px; }

.nav-links {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-links a:not(.btn) {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 14.5px;
  font-weight: 500;
  white-space: nowrap;
}

.nav-links a:not(.btn):hover { color: var(--text); }

.nav-links a.btn { white-space: nowrap; }

@media (max-width: 560px) {
  .nav { flex-wrap: wrap; row-gap: 12px; }
  .nav-links { gap: 16px; }
  .nav-links a:not(.btn) { display: none; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--accent);
  color: var(--on-accent);
}

.btn-primary:hover { background: var(--accent-strong); }

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.btn-ghost:hover { border-color: var(--accent); }

.btn-sm { padding: 9px 16px; font-size: 13.5px; }

/* Hero */
.hero {
  padding: 56px 0 40px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 24px; }
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--accent-strong);
  background: var(--accent-soft);
  padding: 6px 12px;
  border-radius: 999px;
  margin-bottom: 18px;
}

h1 {
  font-size: clamp(34px, 5vw, 50px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
}

.lede {
  font-size: 18px;
  color: var(--text-muted);
  max-width: 46ch;
  margin: 0 0 28px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.hero-note {
  font-size: 13.5px;
  color: var(--text-muted);
}

/* Mockup */
.mock-wrap { display: flex; flex-direction: column; gap: 10px; }

.mock-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 0;
  overflow: hidden;
}

.mock-caption {
  font-size: 12.5px;
  color: var(--text-muted);
  text-align: center;
}

.mock-body { padding: 26px; }

.mock-goal-label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.mock-goal {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 18px;
}

.mock-bar-track {
  height: 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  overflow: hidden;
  margin-bottom: 22px;
}

.mock-bar-fill {
  height: 100%;
  width: 62%;
  background: var(--accent);
  border-radius: 999px;
}

.mock-checkin {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  background: var(--accent-soft);
  border-radius: 12px;
  padding: 14px;
}

.mock-checkin-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-top: 6px;
  flex-shrink: 0;
}

.mock-checkin-text { font-size: 14px; }

.mock-checkin-text strong { display: block; margin-bottom: 3px; }

.mock-checkin-actions { display: flex; gap: 8px; margin-top: 10px; }

.mock-chip {
  font-size: 12.5px;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text-muted);
}

.mock-chip.primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: transparent;
}

/* Sections */
section { padding: 48px 0; }

.section-head { text-align: center; max-width: 640px; margin: 0 auto 40px; }

.section-head h2 {
  font-size: clamp(26px, 3.4vw, 34px);
  letter-spacing: -0.01em;
  margin: 0 0 12px;
}

.section-head p { color: var(--text-muted); font-size: 16px; margin: 0; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 900px) { .feature-grid { grid-template-columns: 1fr; } }

.card {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: var(--accent-soft);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent-strong);
  font-size: 18px;
}

.card h3 { font-size: 16.5px; margin: 0 0 8px; }
.card p { font-size: 14.5px; color: var(--text-muted); margin: 0; }

.card-featured {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 20px;
  align-items: center;
  padding: 30px 32px;
  background: var(--accent-soft);
  border-color: var(--accent);
}

.card-featured .card-icon {
  width: 56px;
  height: 56px;
  font-size: 24px;
  margin-bottom: 0;
  background: var(--bg-elevated);
}

.card-featured h3 { font-size: 19px; margin: 0 0 6px; }
.card-featured p { font-size: 15px; max-width: 56ch; }

@media (max-width: 640px) {
  .card-featured { grid-template-columns: 1fr; text-align: left; }
}

/* Timeline (how it works) */
.timeline {
  max-width: 620px;
  margin: 0 auto;
  counter-reset: step;
}

.timeline-item {
  display: flex;
  gap: 20px;
  position: relative;
  padding-bottom: 30px;
}

.timeline-item:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 15px;
  top: 34px;
  bottom: -2px;
  width: 2px;
  background: var(--border);
}

.timeline-marker {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  z-index: 1;
}

.timeline-content h3 { font-size: 16.5px; margin: 3px 0 6px; }
.timeline-content p { font-size: 14.5px; color: var(--text-muted); margin: 0; max-width: 52ch; }

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 760px) { .steps { grid-template-columns: 1fr; } }

.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 700;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 14px;
}

.step h3 { font-size: 16px; margin: 0 0 8px; }
.step p { font-size: 14.5px; color: var(--text-muted); margin: 0; }

.cta-band {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 32px;
  text-align: center;
}

.cta-band h2 { margin: 0 0 12px; font-size: 28px; }
.cta-band p { color: var(--text-muted); margin: 0 0 26px; }

/* Pricing (draft) */
.draft-banner {
  margin-top: 24px;
  padding: 12px 16px;
  border-radius: 10px;
  background: var(--accent-soft);
  border: 1px solid var(--accent);
  color: var(--text);
  font-size: 13.5px;
  text-align: center;
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  align-items: stretch;
}

@media (max-width: 980px) { .pricing-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .pricing-grid { grid-template-columns: 1fr; } }

.price-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
}

.price-card-featured { border-color: var(--accent); border-width: 2px; }

.price-tier { font-weight: 700; font-size: 15px; margin-bottom: 10px; }

.price-amount { font-size: 30px; font-weight: 700; letter-spacing: -0.01em; margin-bottom: 8px; }
.price-amount span { font-size: 14px; font-weight: 500; color: var(--text-muted); }

.price-desc { font-size: 13.5px; color: var(--text-muted); margin: 0 0 18px; }

.price-features {
  list-style: none;
  padding: 0;
  margin: 0 0 22px;
  display: grid;
  gap: 10px;
  flex: 1;
}

.price-features li {
  font-size: 13.5px;
  padding-left: 20px;
  position: relative;
  color: var(--text);
}

.price-features li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--accent-strong);
  font-weight: 700;
}

.price-cta { justify-content: center; width: 100%; }

footer {
  border-top: 1px solid var(--border);
  padding: 32px 0 48px;
  margin-top: 24px;
}

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 13.5px;
  color: var(--text-muted);
}

.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--text-muted); text-decoration: none; }
.footer-links a:hover { color: var(--text); }

/* Legal pages */
.legal {
  max-width: 720px;
  margin: 0 auto;
  padding: 48px 24px 80px;
}

.legal h1 { font-size: 32px; margin-bottom: 6px; }
.legal .updated { color: var(--text-muted); font-size: 14px; margin-bottom: 40px; }
.legal h2 { font-size: 20px; margin: 36px 0 12px; }
.legal p, .legal li { color: var(--text); font-size: 15.5px; }
.legal ul { padding-left: 22px; }
.legal a { color: var(--accent-strong); }