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

:root {
  --ink: #0C0C0A;
  --paper: #F5F2EC;
  --cream: #EDE8DE;
  --green: #1A5C42;
  --green-light: #2E8B57;
  --green-pale: #E8F5EF;
  --amber: #C8782A;
  --amber-pale: #FDF3E3;
  --red: #8B2020;
  --muted: #6B6355;
  --rule: #D4CEC4;
  --white: #FFFFFF;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Instrument Sans', system-ui, sans-serif;
  --body: 'Instrument Serif', Georgia, serif;
}

html { scroll-behavior: smooth; }

body {
  background: var(--ink);
  color: var(--paper);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
}

/* ── NAV ── */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 48px;
  background: rgba(12,12,10,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.nav-logo {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  letter-spacing: -0.02em;
}

.nav-logo span { color: var(--green-light); }

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  color: rgba(245,242,236,0.6);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: color 0.2s;
}

.nav-links a:hover { color: var(--paper); }

.nav-cta {
  background: var(--green);
  color: var(--paper);
  border: none;
  padding: 10px 24px;
  border-radius: 24px;
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s;
  text-decoration: none;
}

.nav-cta:hover { background: var(--green-light); }

/* ── HERO ── */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 48px 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% 40%, rgba(26,92,66,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.hero-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 24px;
  opacity: 0;
  animation: fadeUp 0.8s 0.2s ease forwards;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 900px;
  margin-bottom: 8px;
  opacity: 0;
  animation: fadeUp 0.8s 0.4s ease forwards;
}

.hero-title em {
  font-style: italic;
  color: var(--green-light);
}

.hero-subtitle {
  font-family: var(--body);
  font-size: clamp(18px, 2.5vw, 24px);
  font-style: italic;
  color: rgba(245,242,236,0.55);
  max-width: 560px;
  margin: 20px auto 48px;
  line-height: 1.6;
  opacity: 0;
  animation: fadeUp 0.8s 0.6s ease forwards;
}

.hero-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  opacity: 0;
  animation: fadeUp 0.8s 0.8s ease forwards;
}

.btn-primary {
  background: var(--green);
  color: var(--paper);
  border: none;
  padding: 16px 36px;
  border-radius: 32px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-primary:hover {
  background: var(--green-light);
  transform: translateY(-1px);
}

.btn-ghost {
  background: transparent;
  color: rgba(245,242,236,0.7);
  border: 1px solid rgba(245,242,236,0.2);
  padding: 16px 36px;
  border-radius: 32px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  display: inline-block;
}

.btn-ghost:hover {
  border-color: rgba(245,242,236,0.5);
  color: var(--paper);
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  opacity: 0;
  animation: fadeUp 0.8s 1.2s ease forwards;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(245,242,236,0.4), transparent);
  animation: scrollPulse 2s infinite;
}

.scroll-text {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245,242,236,0.3);
}

/* ── MOMENTS SECTION ── */
.moments {
  background: var(--paper);
  color: var(--ink);
}

.moment {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.moment:nth-child(even) { flex-direction: row-reverse; }
.moment:nth-child(even) .moment-visual { order: 2; }
.moment:nth-child(even) .moment-content { order: 1; }

.moment-visual {
  height: 100vh;
  position: sticky;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.moment-bg {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.moment-1 .moment-bg { background: #0A0A08; }
.moment-2 .moment-bg { background: #0A1208; }
.moment-3 .moment-bg { background: #080A12; }
.moment-4 .moment-bg { background: #120808; }
.moment-5 .moment-bg { background: #0A0A08; }
.moment-6 .moment-bg { background: #080C08; }
.moment-7 .moment-bg { background: #0C0808; }
.moment-8 .moment-bg { background: #08080C; }

.moment-icon {
  font-size: 120px;
  opacity: 0.12;
  position: absolute;
  filter: blur(2px);
}

.moment-signal {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 48px;
}

.signal-label {
  font-family: var(--sans);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 16px;
}

.signal-before {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 700;
  color: rgba(245,242,236,0.3);
  line-height: 1.2;
  margin-bottom: 32px;
  font-style: italic;
}

.signal-arrow {
  font-size: 24px;
  color: var(--green-light);
  margin-bottom: 32px;
  display: block;
  animation: arrowPulse 2s infinite;
}

.signal-after {
  font-family: var(--serif);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 900;
  color: var(--paper);
  line-height: 1.2;
}

.moment-content {
  padding: 80px 72px;
  background: var(--paper);
}

.moment-number {
  font-family: var(--serif);
  font-size: 120px;
  font-weight: 900;
  color: rgba(12,12,10,0.04);
  line-height: 1;
  margin-bottom: -40px;
  display: block;
}

.moment-headline {
  font-family: var(--serif);
  font-size: clamp(32px, 3.5vw, 48px);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  margin-bottom: 24px;
}

.moment-headline em {
  font-style: italic;
  color: var(--green);
}

.moment-body {
  font-family: var(--body);
  font-size: clamp(17px, 1.8vw, 20px);
  font-style: italic;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 32px;
  max-width: 480px;
}

.moment-truth {
  border-left: 3px solid var(--green);
  padding-left: 20px;
  margin-bottom: 32px;
}

.moment-truth p {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  color: var(--ink);
  line-height: 1.6;
}

.moment-signal-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.signal-chip {
  background: var(--green-pale);
  color: var(--green);
  font-family: var(--sans);
  font-size: 12px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 20px;
  letter-spacing: 0.04em;
}

/* ── WHO ── */
.who-section {
  background: var(--ink);
  padding: 120px 48px;
  text-align: center;
}

.section-eyebrow {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 20px;
}

.section-title {
  font-family: var(--serif);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 800px;
  margin: 0 auto 24px;
}

.section-title em {
  font-style: italic;
  color: var(--green-light);
}

.section-body {
  font-family: var(--body);
  font-size: 20px;
  font-style: italic;
  color: rgba(245,242,236,0.5);
  max-width: 560px;
  margin: 0 auto 72px;
  line-height: 1.7;
}

.who-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 1100px;
  margin: 0 auto;
  background: rgba(255,255,255,0.06);
}

.who-card {
  background: rgba(12,12,10,0.95);
  padding: 48px 36px;
  text-align: left;
  transition: background 0.2s;
}

.who-card:hover { background: rgba(26,92,66,0.15); }

.who-age {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 900;
  color: rgba(245,242,236,0.08);
  line-height: 1;
  margin-bottom: -8px;
  display: block;
}

.who-icon { font-size: 32px; margin-bottom: 16px; display: block; }

.who-title {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 12px;
}

.who-desc {
  font-family: var(--sans);
  font-size: 14px;
  color: rgba(245,242,236,0.5);
  line-height: 1.65;
  margin-bottom: 20px;
}

.who-signals {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.who-signal {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--green-light);
  display: flex;
  align-items: center;
  gap: 8px;
}

.who-signal::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--green-light);
  flex-shrink: 0;
}

/* ── CIRCLE OF CARE ── */
.circle-section {
  background: var(--cream);
  padding: 120px 48px;
  color: var(--ink);
}

.circle-section .section-title { color: var(--ink); }
.circle-section .section-body { color: var(--muted); }

.circle-diagram {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.circle-center {
  text-align: center;
  padding: 48px;
  background: var(--ink);
  border-radius: 50%;
  width: 200px;
  height: 200px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0 auto 48px;
  position: relative;
}

.circle-center::after {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 50%;
  background: conic-gradient(var(--green), var(--green-light), var(--green));
  z-index: -1;
}

.circle-center-label {
  font-family: var(--serif);
  font-size: 14px;
  font-weight: 700;
  color: var(--paper);
  text-align: center;
  line-height: 1.3;
}

.circle-center-sub {
  font-size: 10px;
  color: var(--green-light);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-top: 4px;
}

.circle-nodes {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.circle-node {
  background: var(--white);
  border-radius: 16px;
  padding: 28px 24px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.06);
  position: relative;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.circle-node:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}

.circle-node::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--green);
}

.node-icon { font-size: 28px; margin-bottom: 12px; display: block; }

.node-title {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: 8px;
}

.node-desc {
  font-family: var(--sans);
  font-size: 13px;
  color: var(--muted);
  line-height: 1.6;
  margin-bottom: 16px;
}

.node-feature {
  font-family: var(--sans);
  font-size: 12px;
  color: var(--green);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.node-feature::before {
  content: '✓';
  font-size: 10px;
}

/* ── TIMELINE ── */
.timeline-section {
  background: var(--ink);
  padding: 120px 48px;
}

.timeline {
  max-width: 900px;
  margin: 72px auto 0;
  position: relative;
  padding-left: 48px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--green) 10%, var(--green) 90%, transparent);
}

.timeline-item {
  position: relative;
  margin-bottom: 64px;
  opacity: 0;
  transform: translateX(-20px);
  transition: all 0.6s ease;
}

.timeline-item.visible {
  opacity: 1;
  transform: translateX(0);
}

.timeline-dot {
  position: absolute;
  left: -54px;
  top: 6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--green-light);
  border: 2px solid var(--ink);
  box-shadow: 0 0 0 4px rgba(46,139,87,0.2);
}

.timeline-age {
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-light);
  margin-bottom: 8px;
}

.timeline-event {
  font-family: var(--serif);
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 700;
  color: var(--paper);
  line-height: 1.2;
  margin-bottom: 12px;
}

.timeline-detail {
  font-family: var(--sans);
  font-size: 14px;
  color: rgba(245,242,236,0.45);
  line-height: 1.65;
  max-width: 560px;
}

.timeline-signals {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.timeline-chip {
  background: rgba(26,92,66,0.2);
  color: var(--green-light);
  font-family: var(--sans);
  font-size: 11px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 12px;
  letter-spacing: 0.04em;
}

/* ── PRIVACY ── */
.privacy-section {
  background: var(--green);
  padding: 120px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.privacy-section::before {
  content: '🔒';
  position: absolute;
  font-size: 400px;
  opacity: 0.04;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.privacy-section .section-title { color: var(--paper); }

.privacy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  max-width: 900px;
  margin: 64px auto 0;
  background: rgba(0,0,0,0.1);
}

.privacy-card {
  background: rgba(0,0,0,0.2);
  padding: 40px 32px;
  text-align: left;
}

.privacy-icon { font-size: 28px; margin-bottom: 16px; display: block; }

.privacy-title {
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 12px;
}

.privacy-desc {
  font-family: var(--sans);
  font-size: 14px;
  color: rgba(245,242,236,0.65);
  line-height: 1.65;
}

/* ── SCIENCE ── */
.science-section {
  background: var(--paper);
  padding: 120px 48px;
  color: var(--ink);
}

.science-section .section-title { color: var(--ink); }
.science-section .section-body { color: var(--muted); }

.science-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 900px;
  margin: 64px auto 0;
}

.science-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.05);
  border-left: 4px solid var(--green);
}

.science-number {
  font-family: var(--serif);
  font-size: 48px;
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 8px;
}

.science-label {
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 12px;
}

.science-desc {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
}

/* ── FINAL CTA ── */
.final-section {
  background: var(--ink);
  padding: 160px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.final-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 50% at 50% 50%, rgba(26,92,66,0.2) 0%, transparent 70%);
}

.final-title {
  font-family: var(--serif);
  font-size: clamp(48px, 7vw, 88px);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--paper);
  max-width: 800px;
  margin: 0 auto 24px;
  position: relative;
}

.final-title em {
  font-style: italic;
  color: var(--green-light);
  display: block;
}

.final-sub {
  font-family: var(--body);
  font-size: 20px;
  font-style: italic;
  color: rgba(245,242,236,0.45);
  max-width: 480px;
  margin: 0 auto 48px;
  line-height: 1.7;
  position: relative;
}

.final-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

.btn-large {
  padding: 18px 48px;
  font-size: 16px;
  border-radius: 40px;
}

/* ── FOOTER ── */
footer {
  background: rgba(0,0,0,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
  padding: 48px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-logo {
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 700;
  color: var(--paper);
}

.footer-logo span { color: var(--green-light); }

.footer-copy {
  font-family: var(--sans);
  font-size: 12px;
  color: rgba(245,242,236,0.3);
}

.footer-links {
  display: flex;
  gap: 24px;
  list-style: none;
}

.footer-links a {
  font-family: var(--sans);
  font-size: 12px;
  color: rgba(245,242,236,0.3);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--paper); }

/* ── ANIMATIONS ── */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.4; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.1); }
}

@keyframes arrowPulse {
  0%, 100% { transform: translateY(0); opacity: 0.6; }
  50% { transform: translateY(4px); opacity: 1; }
}

.fade-in {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── RESPONSIVE ── */
@media (max-width: 900px) {
  nav { padding: 16px 24px; }
  .nav-links { display: none; }
  .hero { padding: 100px 24px 60px; }
  .moment { grid-template-columns: 1fr; }
  .moment-visual { display: none; }
  .moment-content { padding: 60px 24px; }
  .who-grid { grid-template-columns: 1fr; gap: 2px; }
  .circle-nodes { grid-template-columns: repeat(2, 1fr); }
  .privacy-grid { grid-template-columns: 1fr; }
  .science-grid { grid-template-columns: 1fr; }
  .timeline { padding-left: 32px; }
  footer { flex-direction: column; gap: 20px; text-align: center; }
  .who-section, .circle-section, .timeline-section,
  .privacy-section, .science-section, .final-section { padding: 80px 24px; }
}