:root {
  --bg: #FBF7F0;
  --bg-alt: #F5EFE6;
  --fg: #1a1a1a;
  --fg-muted: #6b5e52;
  --accent: #C4622D;
  --accent-light: rgba(196, 98, 45, 0.12);
  --border: rgba(26,26,26,0.1);
  --radius: 12px;
  --font-display: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', system-ui, sans-serif;
}

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

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* ─── Navigation ─────────────────────────────── */
.topnav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 48px;
  border-bottom: 1px solid var(--border);
}
.wordmark {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.tagline {
  font-size: 0.85rem;
  color: var(--fg-muted);
  font-weight: 400;
  letter-spacing: 0.04em;
}

/* ─── Hero ───────────────────────────────────── */
.hero {
  padding: 80px 48px 60px;
  display: flex;
  flex-direction: column;
  gap: 56px;
}
.hero-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.eyebrow {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.headline {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.4rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--fg);
  margin-bottom: 24px;
}
.headline em {
  font-style: italic;
  color: var(--accent);
}
.lede {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 480px;
}
.tree-illustration {
  width: 100%;
  max-width: 380px;
}
.tree-illustration svg {
  width: 100%;
  height: auto;
}

/* ─── Hero Stats ──────────────────────────────── */
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
  border-top: 1px solid var(--border);
  padding-top: 40px;
  width: 100%;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 0 48px 0 0;
}
.stat:first-child { padding-left: 0; }
.stat-num {
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}
.stat-label {
  font-size: 0.8rem;
  color: var(--fg-muted);
  line-height: 1.4;
  max-width: 160px;
}
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border);
  margin-right: 48px;
}

/* ─── Features ───────────────────────────────── */
.features {
  background: var(--bg-alt);
  padding: 80px 48px;
}
.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-headline {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 56px;
}
.section-headline em { font-style: italic; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(196,98,45,0.1);
}
.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.feature-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  margin-bottom: 10px;
}
.feature-card p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ─── How it Works ───────────────────────────── */
.how-it-works {
  padding: 80px 48px;
  background: var(--bg);
}
.how-header { margin-bottom: 56px; }
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
  margin-bottom: 64px;
}
.step {
  flex: 1;
  padding-right: 32px;
}
.step-num {
  font-family: var(--font-display);
  font-size: 2.8rem;
  font-weight: 700;
  color: var(--accent);
  opacity: 0.25;
  display: block;
  margin-bottom: 12px;
  line-height: 1;
}
.step h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--fg);
}
.step p {
  font-size: 0.88rem;
  color: var(--fg-muted);
  line-height: 1.6;
}
.step-connector {
  padding-top: 48px;
  flex-shrink: 0;
}

/* Relation demo */
.relation-demo {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 40px;
}
.demo-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.relation-box {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-bottom: 16px;
}
.rel-person {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.rel-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1rem;
}
.rel-person span {
  font-size: 0.78rem;
  color: var(--fg-muted);
}
.rel-path {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.rel-connector {
  font-size: 0.8rem;
  color: var(--accent);
  font-weight: 500;
  text-align: center;
}
.rel-summary {
  font-size: 0.85rem;
  color: var(--fg-muted);
  text-align: center;
}

/* ─── Different ──────────────────────────────── */
.different {
  background: var(--fg);
  color: var(--bg);
  padding: 80px 48px;
}
.different-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.diff-col--left .section-label { color: rgba(251,247,240,0.5); }
.diff-col--left .section-headline {
  color: var(--bg);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  margin-top: 16px;
}
.diff-body {
  font-size: 0.95rem;
  color: rgba(251,247,240,0.7);
  line-height: 1.65;
  margin-top: 20px;
}
.diff-item {
  padding: 24px 0;
  border-bottom: 1px solid rgba(251,247,240,0.1);
}
.diff-item:last-child { border-bottom: none; }
.diff-item h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--bg);
  margin-bottom: 8px;
}
.diff-item p {
  font-size: 0.85rem;
  color: rgba(251,247,240,0.6);
  line-height: 1.55;
}

/* ─── Closing ───────────────────────────────── */
.closing {
  padding: 100px 48px;
  background: var(--bg);
  text-align: center;
}
.closing-content { max-width: 600px; margin: 0 auto; }
.closing h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}
.closing p {
  font-size: 1rem;
  color: var(--fg-muted);
  line-height: 1.7;
}
.closing-visual {
  position: relative;
  width: 200px;
  height: 200px;
  margin: 48px auto 0;
}
.orbit-ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(196,98,45,0.2);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.orbit-ring--1 { width: 80px; height: 80px; }
.orbit-ring--2 { width: 130px; height: 130px; }
.orbit-ring--3 { width: 190px; height: 190px; }
.orbit-center {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  opacity: 0.7;
}
.dot-1 { top: 5px; left: 50%; transform: translateX(-50%); }
.dot-2 { top: 50%; right: 5px; transform: translateY(-50%); }
.dot-3 { bottom: 5px; left: 50%; transform: translateX(-50%); }
.dot-4 { top: 50%; left: 5px; transform: translateY(-50%); }
.dot-5 { top: 20%; right: 15%; }
.dot-6 { bottom: 20%; left: 15%; }

/* ─── Footer ────────────────────────────────── */
footer {
  background: var(--bg-alt);
  border-top: 1px solid var(--border);
  padding: 40px 48px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  text-align: center;
}
.footer-wordmark {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
}
.footer-tagline {
  font-size: 0.8rem;
  color: var(--fg-muted);
}
.footer-note {
  font-size: 0.75rem;
  color: var(--fg-muted);
  opacity: 0.7;
  max-width: 480px;
  line-height: 1.5;
  margin-top: 12px;
}

/* ─── Responsive ─────────────────────────────── */
@media (max-width: 900px) {
  .topnav { padding: 16px 24px; }
  .hero { padding: 48px 24px 40px; gap: 40px; }
  .hero-content { grid-template-columns: 1fr; gap: 40px; }
  .tree-illustration { max-width: 280px; margin: 0 auto; }
  .hero-stats { gap: 0; }
  .stat { padding-right: 24px; }
  .stat-divider { margin-right: 24px; }
  .features { padding: 60px 24px; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .how-it-works { padding: 60px 24px; }
  .steps { flex-direction: column; gap: 32px; }
  .step-connector { display: none; }
  .different { padding: 60px 24px; }
  .different-grid { grid-template-columns: 1fr; gap: 48px; }
  .closing { padding: 60px 24px; }
  footer { padding: 32px 24px; }
}

@media (max-width: 600px) {
  .feature-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; align-items: flex-start; }
  .stat-divider { width: 48px; height: 1px; margin: 12px 0; }
}