/* ─── Variables ─── */
:root {
  --bg: #F7F4EE;
  --bg-alt: #EBE7DF;
  --fg: #1A1714;
  --fg-mid: #5C5549;
  --fg-light: #9B9087;
  --accent: #3D6B35;
  --accent-warm: #7C5C2E;
  --accent-light: #E8E3D8;
  --gold: #A8812A;
  --white: #FFFFFF;
}

/* ─── Reset ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'Outfit', sans-serif;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

/* ─── Typography ─── */
h1, h2, h3 { font-family: 'Bricolage Grotesque', sans-serif; font-weight: 700; line-height: 1.15; }

/* ─── NAV ─── */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(247, 244, 238, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(26, 23, 20, 0.08);
}
.nav-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--fg);
  letter-spacing: -0.01em;
}
.nav-links { display: flex; gap: 24px; }
.nav-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-mid);
  transition: color 0.2s;
}
.nav-link:hover { color: var(--accent); }

/* ─── HERO ─── */
.hero { padding: 80px 0 72px; }
.hero-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 80px;
  align-items: center;
}
.hero-eyebrow {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(61, 107, 53, 0.08);
  padding: 6px 14px;
  border-radius: 24px;
  margin-bottom: 20px;
}
.hero-headline {
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 800;
  color: var(--fg);
  margin-bottom: 20px;
  letter-spacing: -0.025em;
}
.hero-sub {
  font-size: 1.05rem;
  color: var(--fg-mid);
  line-height: 1.7;
  margin-bottom: 40px;
  max-width: 520px;
}
.hero-stats {
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.stat { display: flex; align-items: baseline; gap: 12px; }
.stat-number {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--accent);
}
.stat-label {
  font-size: 0.875rem;
  color: var(--fg-mid);
  font-weight: 400;
}

/* Hero visual */
.hero-visual {
  position: relative;
  width: 420px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.visual-ring {
  position: absolute;
  border-radius: 50%;
  border: 1.5px solid rgba(61, 107, 53, 0.18);
}
.ring-outer { width: 420px; height: 420px; }
.ring-mid { width: 300px; height: 300px; border-color: rgba(61, 107, 53, 0.25); }
.ring-inner { width: 180px; height: 180px; border-color: rgba(61, 107, 53, 0.4); }
.visual-core {
  position: relative;
  z-index: 2;
  width: 100px;
  height: 100px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 40px rgba(61, 107, 53, 0.25);
}
.core-label {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 0.95rem;
  font-weight: 800;
  color: #fff;
}
.orbit-dot {
  position: absolute;
  width: 14px;
  height: 14px;
  background: var(--gold);
  border-radius: 50%;
  box-shadow: 0 0 12px rgba(168, 129, 42, 0.5);
}
.dot-1 { top: 40px; left: 50%; transform: translateX(-50%); }
.dot-2 { bottom: 80px; left: 40px; }
.dot-3 { top: 50%; right: 50px; transform: translateY(-50%); }

/* ─── MANIFESTO ─── */
.manifesto {
  background: var(--fg);
  padding: 80px 0;
}
.manifesto-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 32px;
  text-align: center;
}
.manifesto-quote {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-weight: 600;
  color: var(--bg);
  line-height: 1.5;
  font-style: normal;
  letter-spacing: -0.01em;
}
.manifesto-attr {
  margin-top: 24px;
  font-size: 0.875rem;
  color: var(--fg-light);
  font-weight: 400;
}

/* ─── SECTION LABEL ─── */
.section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 12px;
}

/* ─── SCIENCE ─── */
.science { padding: 96px 0; }
.science-inner { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.science-header { margin-bottom: 48px; }
.science-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.science-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.science-card {
  background: var(--white);
  border-radius: 16px;
  padding: 36px 32px;
  border: 1px solid rgba(26, 23, 20, 0.06);
}
.card-stat {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  margin-bottom: 12px;
  line-height: 1;
}
.card-body {
  font-size: 0.95rem;
  color: var(--fg-mid);
  line-height: 1.65;
  margin-bottom: 16px;
}
.card-source {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--fg-light);
  letter-spacing: 0.04em;
}

/* ─── SPACE MODEL ─── */
.space-model {
  background: var(--bg-alt);
  padding: 96px 0;
}
.space-inner { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.space-header { margin-bottom: 56px; }
.space-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.space-desc {
  font-size: 1rem;
  color: var(--fg-mid);
  max-width: 600px;
  line-height: 1.7;
}
.space-pillars {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
.pillar {
  background: var(--white);
  border-radius: 14px;
  padding: 28px 20px;
  border: 1px solid rgba(26, 23, 20, 0.06);
  text-align: center;
}
.pillar-icon {
  width: 44px;
  height: 44px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 14px;
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 1.1rem;
  font-weight: 800;
  color: #fff;
}
.pillar h3 {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 8px;
}
.pillar p {
  font-size: 0.78rem;
  color: var(--fg-mid);
  line-height: 1.5;
}

/* ─── JOURNEY ─── */
.journey { padding: 96px 0; }
.journey-inner { max-width: 1160px; margin: 0 auto; padding: 0 32px; }
.journey-title {
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 800;
  color: var(--fg);
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}
.journey-steps { display: flex; flex-direction: column; gap: 0; }
.step {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 32px;
  align-items: start;
  padding: 40px 0;
  border-bottom: 1px solid rgba(26, 23, 20, 0.08);
}
.step:last-child { border-bottom: none; }
.step-number {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--accent-light);
  line-height: 1;
  padding-top: 4px;
}
.step h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fg);
  margin-bottom: 10px;
  font-family: 'Bricolage Grotesque', sans-serif;
}
.step p {
  font-size: 0.95rem;
  color: var(--fg-mid);
  line-height: 1.7;
  max-width: 640px;
}

/* ─── CLOSING ─── */
.closing {
  background: var(--accent);
  padding: 96px 0;
}
.closing-inner { max-width: 800px; margin: 0 auto; padding: 0 32px; text-align: center; }
.closing-headline {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  line-height: 1.2;
}
.closing-sub {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
}

/* ─── FOOTER ─── */
.site-footer {
  background: var(--fg);
  padding: 40px 0;
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-logo {
  font-family: 'Bricolage Grotesque', sans-serif;
  font-weight: 800;
  font-size: 1rem;
  color: var(--bg);
  display: block;
  margin-bottom: 4px;
}
.footer-tagline {
  font-size: 0.78rem;
  color: var(--fg-light);
}
.footer-link {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fg-light);
  transition: color 0.2s;
}
.footer-link:hover { color: var(--bg); }

/* ─── RESPONSIVE ─── */
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; gap: 48px; }
  .hero-right { display: none; }
  .science-grid { grid-template-columns: 1fr 1fr; }
  .space-pillars { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 640px) {
  .hero { padding: 56px 0 48px; }
  .science-grid { grid-template-columns: 1fr; }
  .space-pillars { grid-template-columns: repeat(2, 1fr); }
  .step { grid-template-columns: 56px 1fr; gap: 20px; }
  .footer-inner { flex-direction: column; gap: 16px; }
}