:root{
  --river-blue:#1f6feb;
  --river-deep:#0a2540;
  --river-mid:#0f3d5e;
  --river-surface:#1f6f8b;
  --river-foam:#4fb0c6;
  --aqua:#06b6d4;
  --eco-green:#22C55E;
  --bg:#f4fbff;
  --white:#FFFFFF;
  --text:#082032;
  --muted:#496579;
  --border:rgba(8,32,50,.10);
  --border-strong:rgba(255,255,255,.18);
  --shadow:0 12px 36px rgba(2,20,38,.10);
  --shadow2:0 20px 60px rgba(2,20,38,.16);
  --radius:20px;
  --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(79,176,198,.22), transparent 30%),
    radial-gradient(circle at 85% 8%, rgba(6,182,212,.20), transparent 24%),
    linear-gradient(180deg, #eaf8ff 0%, #d8f1fb 18%, #c4e6f3 36%, #dff5fb 58%, #f3fbff 100%);
  line-height:1.55;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:
    radial-gradient(1200px 340px at 50% -40px, rgba(255,255,255,.45), transparent 60%),
    radial-gradient(900px 260px at 10% 18%, rgba(255,255,255,.12), transparent 62%),
    radial-gradient(1100px 280px at 90% 35%, rgba(255,255,255,.10), transparent 60%);
  opacity:.95;
}
img{max-width:100%;display:block}
a{color:inherit}.container{max-width:var(--maxw);margin:0 auto;padding:0 18px;position:relative;z-index:1}
.skip-link{position:absolute;left:-999px;top:10px;background:var(--white);padding:10px 12px;border-radius:10px;border:1px solid var(--border)}
.skip-link:focus{left:10px;z-index:9999}
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(8,32,50,.58);
  backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.10);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;color:#fff}
.brand-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:12px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);box-shadow:0 12px 24px rgba(0,0,0,.12)}
.brand-text{letter-spacing:-.02em}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.10)}
.nav-toggle span{display:block;height:2px;background:#fff;margin:7px 10px;border-radius:2px}
.nav-links{display:flex;align-items:center;gap:10px}
.nav-link{text-decoration:none;padding:10px 12px;border-radius:12px;color:rgba(255,255,255,.78);font-weight:600;font-size:14px}
.nav-link:hover{background:rgba(255,255,255,.10);color:#fff}
.nav-link.active{background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.12)}
.nav-cta{background:linear-gradient(135deg, rgba(79,176,198,.28), rgba(6,182,212,.22));border:1px solid rgba(255,255,255,.16);color:#fff}
.nav-cta:hover{background:linear-gradient(135deg, rgba(79,176,198,.38), rgba(6,182,212,.30))}
.lang-toggle{display:flex;align-items:center;gap:8px;padding-left:6px}
.lang-btn{border:0;background:transparent;font-weight:700;color:rgba(255,255,255,.72);cursor:pointer}
.lang-btn.active{color:#fff}.lang-sep{color:rgba(255,255,255,.5)}
.section{padding:80px 0;position:relative}
.section::before{
  content:"";position:absolute;left:0;right:0;top:0;height:140px;pointer-events:none;
  background:linear-gradient(180deg, rgba(255,255,255,.12), transparent);
}
.section.alt{background:linear-gradient(180deg, rgba(255,255,255,.48), rgba(255,255,255,.34));backdrop-filter:blur(6px)}
.section-head{margin-bottom:24px}.section-head h2{font-size:34px;letter-spacing:-.03em;margin:0 0 8px;color:var(--river-deep)}
.kicker{margin:0 0 10px;color:rgba(194,246,255,.96);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:12px}
.lead{font-size:18px;color:rgba(255,255,255,.86);max-width:60ch}.muted{color:var(--muted)}
.hero{padding:104px 0 68px;position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;left:-8%;right:-8%;bottom:-70px;height:220px;pointer-events:none;
  background:
    radial-gradient(55% 100% at 20% 0%, rgba(255,255,255,.14), transparent 72%),
    radial-gradient(55% 100% at 80% 0%, rgba(255,255,255,.14), transparent 72%);
}
.hero-bg{
  position:absolute;inset:0;
  background:
    linear-gradient(180deg, rgba(6,22,38,.50), rgba(10,37,64,.54) 30%, rgba(10,37,64,.78) 68%, rgba(12,58,90,.94) 100%),
    radial-gradient(circle at 20% 0%, rgba(79,176,198,.18), transparent 28%),
    url('assets/hero.svg');
  background-size:cover;background-position:center;filter:saturate(1.1);
}
.hero-content{position:relative;display:grid;gap:24px}.hero-copy{max-width:72ch}
.hero h1{font-size:50px;line-height:1.04;letter-spacing:-.04em;margin:0 0 14px;color:#fff;text-shadow:0 8px 28px rgba(0,0,0,.30)}
.hero-copy p:not(.kicker){color:#fff;text-shadow:0 4px 18px rgba(0,0,0,.24)}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px}
.btn{border:1px solid var(--border);background:var(--white);color:var(--text);padding:12px 16px;border-radius:14px;font-weight:700;text-decoration:none;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:.2s ease}
.btn:hover{transform:translateY(-1px)}
.btn.primary{background:linear-gradient(135deg,var(--river-blue),var(--aqua));border-color:rgba(31,111,235,.28);color:#fff;box-shadow:0 12px 30px rgba(10,37,64,.24)}
.btn.primary:hover{filter:brightness(.99)}
.btn.secondary{background:rgba(31,111,235,.08)}
.btn.ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.24);color:#fff;backdrop-filter:blur(8px)}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.hero-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:18px}
.card,.panel{
  background:rgba(255,255,255,.82);
  border:1px solid rgba(255,255,255,.45);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px);
  transition:.22s ease;
}
.card:hover,.panel:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.card{padding:16px}
.card-icon{font-size:20px}.card h3{margin:8px 0 6px;font-size:16px}.card p{margin:0;color:var(--muted);font-size:14px}
.facts{margin-top:18px;background:rgba(255,255,255,.84);border:1px solid rgba(255,255,255,.48);border-radius:var(--radius);display:grid;grid-template-columns:repeat(3,1fr);overflow:hidden;backdrop-filter:blur(10px);box-shadow:var(--shadow)}
.fact{padding:16px 18px;border-right:1px solid rgba(8,32,50,.08)}.fact:last-child{border-right:none}
.fact-num{font-weight:800;font-size:20px;color:var(--river-deep)}.fact-label{color:var(--muted);font-size:13px}
.photo-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;margin-top:24px}
.photo{background:linear-gradient(180deg,rgba(255,255,255,.70),rgba(255,255,255,.86));border:1px solid rgba(255,255,255,.52);border-radius:18px;overflow:hidden;box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.photo img{aspect-ratio:16/9;object-fit:cover}.photo figcaption{padding:10px 12px;font-size:12px;color:var(--muted)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.panel{padding:18px}
.panel h3{margin:0 0 12px;font-size:18px;color:var(--river-deep)}
.timeline{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.timeline-item{padding-left:14px;border-left:3px solid rgba(34,197,94,.45)}
.timeline-meta{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.date{font-weight:700;font-size:13px;color:var(--muted)}
.tag{font-size:12px;padding:4px 10px;border-radius:999px;border:1px solid var(--border);font-weight:700}
.tag.done{background:rgba(34,197,94,.14);border-color:rgba(34,197,94,.25)}
.tag.progress{background:rgba(31,111,235,.12);border-color:rgba(31,111,235,.22)}
.tag.next{background:rgba(15,23,42,.05)}
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checklist li{display:flex;gap:10px;align-items:flex-start}.checklist input{margin-top:4px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:14px}
.metric{border:1px dashed rgba(8,32,50,.18);border-radius:14px;padding:12px;background:rgba(255,255,255,.46)}
.metric-num{font-size:18px;font-weight:800}.metric-label{font-size:12px;color:var(--muted)}
.research-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
.bullets{margin:0;padding-left:18px;color:var(--muted)}.links{margin:0;padding-left:18px}.links a{color:var(--river-blue)}
.download-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}
.map-layout{display:grid;grid-template-columns:360px 1fr;gap:16px;align-items:stretch}
.map-panel{position:sticky;top:86px;height:fit-content}
.legend{display:grid;gap:10px;margin:10px 0 14px}
.toggle{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border:1px solid rgba(8,32,50,.10);border-radius:14px;background:rgba(255,255,255,.56)}
.toggle input{width:18px;height:18px}
.map-embed{border:1px solid rgba(255,255,255,.52);border-radius:var(--radius);overflow:hidden;background:rgba(255,255,255,.82);box-shadow:var(--shadow);backdrop-filter:blur(10px)}
.map-embed iframe{width:100%;height:520px;border:0}
.school-box{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:14px}
.label{font-size:12px;color:var(--muted);font-weight:700}.value{font-weight:800}
.team-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:12px;margin-bottom:14px}
.member .avatar{font-size:22px}
.form{display:grid;gap:12px}.field{display:grid;gap:6px}
input,textarea{border:1px solid rgba(8,32,50,.10);border-radius:14px;padding:12px 12px;font:inherit;background:rgba(255,255,255,.88)}
input:focus,textarea:focus{outline:2px solid rgba(31,111,235,.25);border-color:rgba(31,111,235,.35)}
.error{color:#B91C1C;min-height:16px}
.checks{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.checks label{display:flex;gap:10px;align-items:center;padding:10px 12px;border:1px solid rgba(8,32,50,.10);border-radius:14px;background:rgba(255,255,255,.68)}
.success{margin-top:10px;padding:14px;border-radius:var(--radius);border:1px solid rgba(34,197,94,.30);background:rgba(34,197,94,.10)}
.success h3{margin:0 0 6px}
.social{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0 18px}
.social-link,.footer-social-link{
  display:inline-flex;align-items:center;justify-content:center;padding:11px 14px;border-radius:14px;
  text-decoration:none;font-weight:700;transition:.2s ease;
}
.social-link{background:linear-gradient(180deg, rgba(15,61,94,.94), rgba(31,111,139,.94));color:#fff;border:1px solid rgba(255,255,255,.16);box-shadow:0 12px 24px rgba(10,37,64,.16)}
.social-link:hover,.footer-social-link:hover{transform:translateY(-2px);filter:brightness(1.02)}
.contact-email a{text-decoration:none;color:var(--river-mid)}
.panel-note{margin-top:12px;padding:12px 14px;border-radius:14px;background:rgba(255,255,255,.52);border:1px solid rgba(8,32,50,.08)}
.footer{padding:28px 0;border-top:1px solid rgba(255,255,255,.16);background:linear-gradient(180deg, rgba(10,37,64,.94), rgba(8,32,50,.98));position:relative;overflow:hidden}
.footer::before{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(circle at top center, rgba(79,176,198,.18), transparent 38%)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap;position:relative;z-index:1}
.footer-copy{color:rgba(255,255,255,.72)}
.footer-socials{display:flex;gap:10px;flex-wrap:wrap}
.footer-social-link{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#fff}
.to-top{text-decoration:none;color:#b9f4ff;font-weight:700}
@media (max-width:980px){.hero-cards{grid-template-columns:repeat(2,1fr)}.team-grid{grid-template-columns:repeat(2,1fr)}.map-layout{grid-template-columns:1fr}.map-panel{position:static}.school-box{grid-template-columns:repeat(2,1fr)}}
@media (max-width:760px){.nav-toggle{display:inline-block}.nav-links{position:absolute;left:0;right:0;top:70px;display:none;background:rgba(8,32,50,.96);border-bottom:1px solid rgba(255,255,255,.10);padding:12px 18px 18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.hero{padding-top:88px}.hero h1{font-size:36px}.grid-2{grid-template-columns:1fr}.research-grid{grid-template-columns:1fr}.photo-row{grid-template-columns:1fr}.social{grid-template-columns:1fr}.facts{grid-template-columns:1fr}.fact{border-right:none;border-bottom:1px solid rgba(8,32,50,.08)}.fact:last-child{border-bottom:none}}
@media (max-width: 900px){.photo-row{grid-template-columns:1fr}.photo img{height:200px}}