/* GHTA v2 — Ecosystem Platform Styles */
:root {
  --teal-deep: #0E2A3B;
  --teal-600: #0f4c5c;
  --teal-500: #19766e;
  --gold: #C9A55C;
  --gold-deep: #A8883E;
  --gold-soft: rgba(201,165,92,0.12);
  --ivory: #FAF8F4;
  --paper: #F5F0E8;
  --slate: #475569;
  --slate-muted: #64748b;
  --slate-light: #94a3b8;
  --line: #e8e2d8;
  --radius: 0.75rem;
  --radius-lg: 1.25rem;
  --shadow-sm: 0 2px 8px rgba(14,42,59,0.04);
  --shadow-md: 0 4px 20px rgba(14,42,59,0.06);
  --shadow-lg: 0 8px 40px rgba(14,42,59,0.08);
  --container: 1200px;
  --container-narrow: 860px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--ivory);
  color: var(--teal-deep);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4 { font-family: 'Playfair Display', serif; line-height: 1.15; letter-spacing: -0.02em; }
h1 { font-size: clamp(2.5rem, 5vw, 4rem); font-weight: 700; }
h2 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.75rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }

/* Layout */
.container { max-width: var(--container); margin: 0 auto; padding: 0 1.5rem; }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 1.5rem; }

.section { padding: 5rem 0; }
@media (min-width: 768px) { .section { padding: 7rem 0; } }

/* Eyebrow */
.eyebrow {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--gold-deep);
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.75rem;
  background: var(--teal-deep);
  color: var(--ivory);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-primary:hover { background: var(--teal-600); transform: translateY(-1px); }

.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.75rem;
  background: transparent;
  color: var(--teal-deep);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--line);
  cursor: pointer;
  transition: border-color 0.2s, background 0.2s;
}
.btn-outline:hover { border-color: var(--gold); background: var(--gold-soft); }

.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.9rem 1.75rem;
  background: var(--gold);
  color: var(--teal-deep);
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.btn-gold:hover { background: var(--gold-deep); color: white; transform: translateY(-1px); }

/* Cards */
.card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  transition: box-shadow 0.25s, transform 0.2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-dark {
  background: var(--teal-deep);
  color: var(--ivory);
  border: 1px solid rgba(201,165,92,0.3);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

/* Navigation */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(250,248,244,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  transition: box-shadow 0.3s;
}
.nav.scrolled { box-shadow: var(--shadow-sm); }

.nav-inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 1.5rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: 'Playfair Display', serif;
  font-weight: 700;
  font-size: 1.35rem;
  color: var(--teal-deep);
}
.nav-logo img { width: 36px; height: 36px; }

.nav-links { display: flex; align-items: center; gap: 2rem; }
.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--slate);
  transition: color 0.2s;
  position: relative;
}
.nav-links a:hover, .nav-links a.active { color: var(--teal-deep); }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gold);
  border-radius: 1px;
}

.nav-cta {
  padding: 0.55rem 1.25rem;
  background: var(--teal-deep);
  color: var(--ivory);
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 0.4rem;
  transition: background 0.2s;
}
.nav-cta:hover { background: var(--teal-600); }

/* Mobile nav */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}
.nav-toggle svg { width: 24px; height: 24px; color: var(--teal-deep); }

@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: 4rem;
    left: 0;
    right: 0;
    background: var(--ivory);
    border-bottom: 1px solid var(--line);
    padding: 1.5rem;
    gap: 1rem;
    box-shadow: var(--shadow-md);
  }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
}

/* Hero */
.hero {
  padding-top: 7rem;
  padding-bottom: 5rem;
  position: relative;
  overflow: hidden;
}
@media (min-width: 768px) { .hero { padding-top: 9rem; padding-bottom: 7rem; } }

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--ivory) 0%, var(--paper) 50%, rgba(201,165,92,0.05) 100%);
  z-index: -1;
}

/* Pillar Grid */
.pillar-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .pillar-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .pillar-grid { grid-template-columns: repeat(4, 1fr); } }

.pillar-card {
  background: white;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gold);
  transform: scaleX(0);
  transition: transform 0.3s;
}
.pillar-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.pillar-card:hover::before { transform: scaleX(1); }

.pillar-icon {
  width: 3.5rem;
  height: 3.5rem;
  margin: 0 auto 1.25rem;
  background: var(--gold-soft);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--gold-deep);
}

/* Feature list */
.feature-list { list-style: none; }
.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.9rem;
  color: var(--slate);
}
.feature-list li:last-child { border-bottom: none; }
.feature-list .icon {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
  color: var(--gold-deep);
  margin-top: 0.1rem;
}

/* Program cards */
.program-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .program-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .program-grid { grid-template-columns: repeat(3, 1fr); } }

/* Track grid */
.track-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .track-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .track-grid { grid-template-columns: repeat(4, 1fr); } }

/* Team grid */
.team-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .team-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .team-grid { grid-template-columns: repeat(4, 1fr); } }

/* Footer */
.footer {
  background: var(--teal-deep);
  color: var(--ivory);
  border-top: 1px solid rgba(201,165,92,0.2);
  padding: 4rem 0 2rem;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr 1fr; } }

.footer h4 {
  font-family: 'Inter', sans-serif;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 1rem;
}
.footer a { color: rgba(250,248,242,0.8); font-size: 0.85rem; transition: color 0.2s; }
.footer a:hover { color: var(--gold); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(201,165,92,0.2);
  font-size: 0.75rem;
  color: rgba(250,248,242,0.5);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.5rem;
}

/* WhatsApp floating */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 9998;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.85rem 1.25rem;
  background: #25D366;
  color: white;
  font-weight: 600;
  font-size: 0.85rem;
  border-radius: 3rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.35);
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}
.wa-float:hover { transform: translateY(-2px) scale(1.03); box-shadow: 0 6px 24px rgba(37,211,102,0.4); }
.wa-float svg { width: 20px; height: 20px; fill: white; }

@media (max-width: 640px) {
  .wa-float span { display: none; }
  .wa-float { padding: 1rem; border-radius: 50%; }
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.in { opacity: 1; transform: translateY(0); }

/* Badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.3rem 0.75rem;
  border-radius: 2rem;
  background: var(--gold-soft);
  color: var(--gold-deep);
}

/* Page header */
.page-header {
  padding-top: 7rem;
  padding-bottom: 3.5rem;
  background: linear-gradient(135deg, var(--teal-deep) 0%, var(--teal-600) 100%);
  color: var(--ivory);
  position: relative;
  overflow: hidden;
}
.page-header::after {
  content: '';
  position: absolute;
  top: -30%;
  right: -10%;
  width: 40rem;
  height: 40rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,165,92,0.08), transparent 60%);
}
@media (min-width: 768px) { .page-header { padding-top: 9rem; padding-bottom: 4.5rem; } }

/* Stat row */
.stat-row {
  display: flex;
  flex-wrap: wrap;
  gap: 2rem;
  margin-top: 2rem;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  font-weight: 700;
  color: var(--gold);
}
.stat-label { font-size: 0.75rem; color: rgba(250,248,242,0.7); margin-top: 0.25rem; }

/* Roadmap steps */
.roadmap { position: relative; padding-left: 2rem; }
.roadmap::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0.55rem;
  width: 2px;
  background: var(--line);
}
.roadmap-step {
  position: relative;
  padding-bottom: 2rem;
}
.roadmap-step::before {
  content: '';
  position: absolute;
  left: -1.45rem;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--gold);
  border: 2px solid white;
  box-shadow: 0 0 0 2px var(--gold-soft);
}

/* Utility */
.text-gold { color: var(--gold); }
.text-slate { color: var(--slate); }
.text-muted { color: var(--slate-muted); }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mb-12 { margin-bottom: 3rem; }
.mt-4 { margin-top: 1rem; }
.mt-8 { margin-top: 2rem; }
.mt-12 { margin-top: 3rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.text-center { text-align: center; }
.max-w-3xl { max-width: 48rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
@media (min-width: 768px) { .grid-2 { grid-template-columns: 1fr 1fr; } }
.flex-center { display: flex; align-items: center; justify-content: center; }