:root {
  --bg: #f8faf7;
  --surface: #ffffff;
  --ink: #15211d;
  --muted: #5d6b65;
  --line: #dce5df;
  --primary: #0e6f62;
  --primary-dark: #06483f;
  --accent: #d9f45f;
  --soft: #eaf4ef;
  --radius: 24px;
  --shadow: 0 24px 70px rgba(21, 33, 29, 0.11);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(248, 250, 247, 0.88);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(220, 229, 223, 0.8);
}

.brand { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--primary);
  color: white;
}
.brand-text { letter-spacing: -0.02em; }

.main-nav { display: flex; align-items: center; gap: 24px; font-size: 0.94rem; color: var(--muted); }
.main-nav a:hover { color: var(--primary-dark); }
.nav-cta { padding: 10px 16px; border: 1px solid var(--primary); border-radius: 999px; color: var(--primary-dark) !important; }
.menu-toggle { display: none; background: none; border: 0; font-size: 1.6rem; }

.section, .hero { padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 72px); }
.section-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr); gap: clamp(32px, 6vw, 80px); align-items: center; }

.hero { min-height: calc(100vh - 76px); position: relative; overflow: hidden; }
.hero::before {
  content: '';
  position: absolute;
  width: 520px;
  height: 520px;
  right: -160px;
  top: 100px;
  background: radial-gradient(circle, rgba(217,244,95,0.55), rgba(14,111,98,0));
  z-index: -1;
}

.eyebrow { margin: 0 0 14px; color: var(--primary); font-size: 0.82rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.12em; }
h1, h2, h3 { line-height: 1.05; letter-spacing: -0.055em; margin: 0; }
h1 { font-size: clamp(4rem, 11vw, 9.5rem); }
h2 { font-size: clamp(2.1rem, 5vw, 4.8rem); }
h3 { font-size: clamp(1.4rem, 3vw, 2rem); }
.subtitle { margin: 12px 0 28px; font-size: clamp(1.6rem, 4vw, 3.4rem); font-weight: 700; color: var(--primary-dark); letter-spacing: -0.05em; }
.hero-copy { max-width: 720px; font-size: clamp(1.05rem, 1.7vw, 1.32rem); color: var(--muted); }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 32px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 13px 20px; border-radius: 999px; font-weight: 800; border: 1px solid transparent; cursor: pointer; }
.btn.primary { background: var(--primary); color: white; }
.btn.primary:hover { background: var(--primary-dark); }
.btn.secondary { border-color: var(--line); background: white; color: var(--primary-dark); }

.hero-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(28px, 4vw, 46px); box-shadow: var(--shadow); }
.card-label { display: inline-block; margin-bottom: 18px; padding: 7px 12px; border-radius: 999px; background: var(--soft); color: var(--primary-dark); font-weight: 800; font-size: 0.82rem; }
.hero-card h2 { font-size: clamp(2rem, 4vw, 3.6rem); }
.hero-card p { color: var(--muted); font-size: 1.05rem; }

.narrow { max-width: 1020px; }
.narrow p:not(.eyebrow) { font-size: clamp(1.05rem, 1.8vw, 1.3rem); color: var(--muted); max-width: 860px; }

.thesis-band { margin: 0 clamp(20px, 5vw, 72px); padding: clamp(38px, 6vw, 72px); border-radius: var(--radius); background: var(--ink); color: white; }
.thesis-band h2 { font-size: clamp(2rem, 4.5vw, 4.2rem); }
.thesis-band p { margin: 18px 0 0; font-size: clamp(1.1rem, 2.2vw, 1.7rem); color: #d8e4de; }

.cards { display: grid; gap: 22px; margin-top: 34px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.info-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.info-card .icon { display: inline-flex; margin-bottom: 60px; color: var(--primary); font-weight: 800; }
.info-card p { color: var(--muted); }

.accent { background: var(--soft); }
.timeline { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; margin-top: 34px; }
.timeline-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; }
.timeline-item span { display: block; color: var(--primary); font-weight: 800; margin-bottom: 12px; }
.timeline-item p { color: var(--muted); }

.split { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 72px); align-items: start; }
.result-list { color: var(--muted); font-size: 1.05rem; }
.result-list ul { padding-left: 20px; }
.result-list li { margin-bottom: 8px; }

.partners { background: var(--surface); }
.partner-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 34px; }
.partner-grid span { padding: 22px; border: 1px solid var(--line); border-radius: 18px; font-weight: 800; color: var(--primary-dark); background: var(--bg); }

.cta-section { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: clamp(28px, 5vw, 72px); background: var(--primary-dark); color: white; }
.cta-section p { color: #d8e4de; }
.contact-form { display: grid; gap: 16px; background: white; color: var(--ink); padding: 26px; border-radius: var(--radius); }
.contact-form label { display: grid; gap: 8px; font-weight: 700; }
.contact-form input, .contact-form select, .contact-form textarea { width: 100%; border: 1px solid var(--line); border-radius: 14px; padding: 13px 14px; font: inherit; color: var(--ink); background: var(--bg); }
.contact-form textarea { resize: vertical; }

.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; padding: 28px clamp(20px, 5vw, 72px); color: var(--muted); border-top: 1px solid var(--line); }
.site-footer p { margin: 0; }

@media (max-width: 900px) {
  .menu-toggle { display: block; }
  .main-nav { position: fixed; inset: 74px 20px auto 20px; display: none; flex-direction: column; align-items: stretch; padding: 20px; border-radius: 20px; background: white; box-shadow: var(--shadow); }
  .main-nav.open { display: flex; }
  .section-grid, .split, .cta-section { grid-template-columns: 1fr; }
  .cards.three, .timeline, .partner-grid { grid-template-columns: 1fr; }
  .hero { min-height: auto; }
  h1 { font-size: clamp(3.3rem, 18vw, 5.5rem); }
}