:root {
  --bg: #F8F6F0;
  --bg-dark: #0D1A0A;
  --fg: #0D1A0A;
  --fg-muted: #4A5A3A;
  --accent: #C8922A;
  --accent-dim: #8A6A1A;
  --green-deep: #1B4332;
  --green-mid: #2A4D1E;
  --green-light: #3A6B28;
  --text-light: #E8E4D8;
  --text-muted: #8A9A7A;
  --border: rgba(42, 77, 30, 0.15);
}

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

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

/* NAV */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 48px;
  border-bottom: 1px solid var(--border);
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo {
  width: 32px;
  height: 32px;
  background: var(--green-deep);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 6px;
}
.nav-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.05em;
  color: var(--green-deep);
}
.nav-tagline {
  font-size: 12px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* HERO */
.hero {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 60px;
  align-items: center;
  padding: 80px 48px 100px;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.hero-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 20px;
}
.hero-headline {
  font-family: 'Syne', sans-serif;
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.05;
  color: var(--green-deep);
  margin-bottom: 28px;
}
.hero-headline em {
  color: var(--accent);
  font-style: normal;
}
.hero-lede {
  font-size: 17px;
  line-height: 1.65;
  color: var(--fg-muted);
  max-width: 540px;
  margin-bottom: 48px;
}
.hero-stats {
  display: flex;
  align-items: center;
  gap: 0;
}
.stat {
  padding: 0 32px 0 0;
}
.stat:first-child { padding-left: 0; }
.stat-value {
  font-family: 'Syne', sans-serif;
  font-size: 36px;
  font-weight: 800;
  color: var(--green-deep);
  line-height: 1;
  margin-bottom: 6px;
}
.stat-label {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.4;
  letter-spacing: 0.03em;
}
.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
  margin: 0 32px 0 0;
}
.hero-visual {
  display: flex;
  justify-content: center;
  align-items: center;
}
.bpm-ring {
  width: 280px;
  height: 280px;
}
.ring-arc {
  animation: ring-spin 6s ease-in-out infinite;
  transform-origin: 140px 140px;
}
.ring-hand {
  animation: hand-spin 6s ease-in-out infinite;
  transform-origin: 140px 140px;
}
@keyframes ring-spin {
  0%, 100% { stroke-dashoffset: 204; }
  50% { stroke-dashoffset: 408; }
}
@keyframes hand-spin {
  0%, 100% { transform: rotate(-30deg); }
  50% { transform: rotate(30deg); }
}

/* SECTION COMMONS */
.section-eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.section-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--green-deep);
}
.section-title em {
  color: var(--accent);
  font-style: normal;
}

/* BIOLOGY */
.biology {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.section-header {
  margin-bottom: 64px;
}
.biology-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  background: var(--border);
}
.bio-card {
  background: var(--bg);
  padding: 40px 36px;
  position: relative;
}
.bio-icon {
  margin-bottom: 20px;
}
.bio-number {
  font-family: 'Syne', sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
}
.bio-name {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--green-deep);
  margin-bottom: 12px;
}
.bio-desc {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fg-muted);
  margin-bottom: 20px;
}
.bio-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.bio-tags span {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(200, 146, 42, 0.1);
  padding: 4px 10px;
  border-radius: 2px;
}
.biology-closing {
  margin-top: 48px;
  text-align: center;
}
.biology-closing p {
  font-size: 15px;
  color: var(--text-muted);
  font-style: italic;
}

/* PROTOCOLS */
.protocols {
  background: var(--green-deep);
  padding: 100px 48px;
}
.protocols-inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.protocols-copy .section-eyebrow {
  color: var(--accent);
}
.protocols-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-light);
  margin-bottom: 28px;
}
.protocols-title em {
  color: var(--accent);
  font-style: normal;
}
.protocols-body {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 228, 216, 0.65);
  margin-bottom: 16px;
}
.protocols-stack {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.stack-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(200, 146, 42, 0.2);
}
.stack-row:first-child {
  border-top: 1px solid rgba(200, 146, 42, 0.2);
}
.stack-icon {
  flex-shrink: 0;
}
.stack-text {
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 600;
  color: var(--text-light);
}

/* OUTCOMES */
.outcomes {
  padding: 100px 48px;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--border);
}
.outcomes-header {
  margin-bottom: 64px;
}
.outcomes-title {
  font-family: 'Syne', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  color: var(--green-deep);
}
.outcomes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 48px;
  margin-bottom: 64px;
}
.outcome h4 {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 700;
  color: var(--green-deep);
  margin: 16px 0 8px;
}
.outcome p {
  font-size: 14px;
  color: var(--fg-muted);
  line-height: 1.6;
}
.outcomes-quote {
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}
.outcomes-quote blockquote {
  font-size: 16px;
  font-style: italic;
  line-height: 1.7;
  color: var(--fg-muted);
  margin-bottom: 16px;
}
.outcomes-quote cite {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* MANIFESTO */
.manifesto {
  background: #0D1A0A;
  padding: 100px 48px;
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}
.manifesto-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(200, 146, 42, 0.5);
  margin-bottom: 40px;
}
.manifesto-line {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-light);
  margin-bottom: 28px;
}
.manifesto-line em {
  color: var(--accent);
  font-style: normal;
}
.manifesto-sub {
  font-size: 15px;
  line-height: 1.75;
  color: rgba(232, 228, 216, 0.5);
  margin-bottom: 0;
}
.manifesto-divider {
  width: 48px;
  height: 1px;
  background: var(--accent);
  margin: 56px auto;
  opacity: 0.4;
}
.manifesto-small {
  font-size: clamp(20px, 2.5vw, 28px);
  margin-bottom: 40px;
}
.manifesto-tagline {
  font-family: 'Syne', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  line-height: 1.5;
}

/* FOOTER */
.footer {
  background: var(--bg);
  padding: 48px;
  text-align: center;
  border-top: 1px solid var(--border);
}
.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-logo {
  width: 28px;
  height: 28px;
  background: var(--green-deep);
  color: var(--accent);
  font-family: 'Syne', sans-serif;
  font-weight: 800;
  font-size: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 5px;
}
.footer-name {
  font-family: 'Syne', sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--green-deep);
}
.footer-copy {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.footer-divider {
  width: 32px;
  height: 1px;
  background: var(--border);
  margin: 0 auto 16px;
}
.footer-meta {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}

/* CTA BUTTON */
.cta-btn {
  display: inline-block;
  margin-top: 40px;
  padding: 16px 40px;
  background: var(--accent);
  color: #fff;
  font-family: 'Syne', sans-serif;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 8px;
  letter-spacing: 0.04em;
  transition: background 0.2s, transform 0.1s;
}
.cta-btn:hover { background: #b07d1f; }
.cta-btn:active { transform: scale(0.98); }

/* RESPONSIVE */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; padding: 60px 32px 80px; }
  .hero-visual { display: none; }
  .biology-grid { grid-template-columns: 1fr; }
  .protocols-inner { grid-template-columns: 1fr; gap: 48px; }
  .outcomes-grid { grid-template-columns: repeat(2, 1fr); }
  .nav { padding: 20px 32px; }
  .biology, .outcomes { padding: 80px 32px; }
  .protocols { padding: 80px 32px; }
  .manifesto { padding: 80px 32px; }
}
@media (max-width: 600px) {
  .hero-headline { font-size: 36px; }
  .outcomes-grid { grid-template-columns: 1fr; }
  .hero-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
  .stat-divider { display: none; }
  .stat { padding: 0; }
}