/* ── Variables ─────────────────────────────────────── */
:root {
  --bg: #faf8f5;
  --bg-alt: #f0ede8;
  --fg: #1a1a18;
  --fg-muted: #6b6860;
  --accent: #2c4a3e;
  --accent-warm: #c07d3a;
  --accent-light: #e8f0ec;
  --border: #ddd8d0;
  --radius: 6px;
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Plus Jakarta Sans', system-ui, sans-serif;
}

/* ── Reset & Base ──────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

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

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

/* ── Nav ───────────────────────────────────────────── */
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border);
}

.wordmark {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}

.tagline {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--fg-muted);
  font-weight: 500;
}

/* ── Manifesto ─────────────────────────────────────── */
.manifesto {
  background: var(--accent);
  color: #fff;
  padding: 3.5rem 2rem;
  text-align: center;
}

.manifesto-inner {
  max-width: 720px;
  margin: 0 auto;
}

.eyebrow {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  font-weight: 700;
  line-height: 1.15;
  color: #fff;
}

.stat-note {
  font-size: 0.95rem;
  opacity: 0.75;
  margin-top: 0.5rem;
  color: #d4e8dc;
}

.stat-note em { font-style: italic; }

/* ── Hero ──────────────────────────────────────────── */
.hero {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 4rem;
  padding: 5rem 2rem 4rem;
  max-width: 1200px;
  margin: 0 auto;
  min-height: 70vh;
}

.hero-text h1 {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5vw, 4.5rem);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--fg);
  margin-bottom: 1.5rem;
}

.hero-text h1 em {
  font-style: italic;
  color: var(--accent-warm);
}

.lede {
  font-size: 1.1rem;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 480px;
  margin-bottom: 2rem;
}

.hero-badges {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.badge {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-weight: 600;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 2px;
}

.badge-sep { color: var(--border); }

.hero-spiral {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-spiral svg {
  width: 100%;
  max-width: 340px;
  height: auto;
  animation: rotate-spiral 20s linear infinite;
  transform-origin: center;
}

@keyframes rotate-spiral {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ── Demo ──────────────────────────────────────────── */
.demo {
  background: var(--bg-alt);
  padding: 5rem 2rem;
  text-align: center;
}

.demo-header { margin-bottom: 2.5rem; }

.step-label {
  display: inline-block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--accent-warm);
  margin-bottom: 0.75rem;
}

.demo-instruction {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-style: italic;
  color: var(--fg);
}

.spiral-demo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.spiral-demo svg {
  width: 200px;
  height: 200px;
}

.breath-cue {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

#breathLabel {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
}

.breath-count {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent-warm);
}

.demo-footer {
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.7;
}

/* ── Features ──────────────────────────────────────── */
.features {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.features-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 3rem;
}

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

.feature-num {
  display: block;
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-light);
  margin-bottom: 0.75rem;
  line-height: 1;
}

.feature h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--fg);
}

.feature p {
  font-size: 0.9rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Comparison ────────────────────────────────────── */
.comparison {
  background: var(--accent);
  padding: 5rem 2rem;
  color: #fff;
}

.comparison-heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  text-align: center;
  margin-bottom: 0.5rem;
  color: #fff;
}

.comparison-sub {
  text-align: center;
  font-size: 1rem;
  opacity: 0.75;
  margin-bottom: 3rem;
  color: #d4e8dc;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.comp-column { padding: 0; }

.comp-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  opacity: 0.7;
}

.comp-column ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.comp-column li {
  font-size: 0.95rem;
  line-height: 1.4;
  padding-left: 1.25rem;
  position: relative;
}

.comp-column li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.45em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.passive li::before { background: rgba(255,255,255,0.3); }
.active li::before { background: var(--accent-warm); }

/* ── Tracks ────────────────────────────────────────── */
.tracks {
  padding: 5rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}

.tracks-heading {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 2.5rem;
  color: var(--fg);
}

.tracks-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.track {
  padding: 2rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
}

.track-icon {
  display: block;
  color: var(--accent-warm);
  margin-bottom: 1rem;
}

.track h3 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.track p {
  font-size: 0.875rem;
  color: var(--fg-muted);
  line-height: 1.6;
}

/* ── Proof ─────────────────────────────────────────── */
.proof {
  background: var(--bg-alt);
  padding: 5rem 2rem;
}

.press-logos {
  text-align: center;
  margin-bottom: 4rem;
}

.press-label {
  display: block;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  font-weight: 600;
  color: var(--fg-muted);
  margin-bottom: 1.25rem;
}

.logos-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.logo-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--fg);
  opacity: 0.6;
}

.logo-sep { color: var(--border); }

.founder {
  max-width: 700px;
  margin: 0 auto;
  text-align: center;
}

.founder-text h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--fg);
}

.founder-text p {
  font-size: 0.95rem;
  color: var(--fg-muted);
  line-height: 1.7;
  margin-bottom: 0.75rem;
}

.founder-note {
  font-size: 0.85rem;
  font-style: italic;
  color: var(--accent-warm);
  opacity: 0.85;
}

/* ── Closing ───────────────────────────────────────── */
.closing {
  padding: 7rem 2rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.closing-statement {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--fg);
}

.closing-statement em {
  font-style: italic;
  color: var(--accent-warm);
}

.cta-btn {
  display: inline-block;
  margin-top: 2.5rem;
  padding: 0.9rem 2.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  transition: background 0.15s;
}

.cta-btn:hover { background: #3a5e50; }

/* ── Footer ────────────────────────────────────────── */
footer {
  border-top: 1px solid var(--border);
  padding: 2rem;
  text-align: center;
}

footer p {
  font-size: 0.8rem;
  color: var(--fg-muted);
}

/* ── Responsive ────────────────────────────────────── */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 3rem 1.5rem 2rem; min-height: auto; gap: 2.5rem; }
  .hero-spiral { order: -1; }
  .hero-spiral svg { max-width: 200px; }
  .feature-grid { grid-template-columns: 1fr; gap: 2rem; }
  .tracks-grid { grid-template-columns: 1fr; }
  .comparison-grid { grid-template-columns: 1fr; }
  .manifesto { padding: 2.5rem 1.5rem; }
  .features, .tracks, .closing { padding: 3.5rem 1.5rem; }
  .demo { padding: 3.5rem 1.5rem; }
  .comparison { padding: 3.5rem 1.5rem; }
}

@media (max-width: 480px) {
  nav { padding: 1rem 1.25rem; }
  .wordmark { font-size: 1rem; }
  .logos-row { gap: 0.75rem; }
  .logo-text { font-size: 0.85rem; }
}