@import url("https://fonts.googleapis.com/css2?family=Geologica:wght@400;500;600;700;800&family=Poppins:wght@400;500;600;700;800&display=swap");

:root{
  --navy:#18213b;
  --blue:#5dc4ed;
  --white:#fff;
  --ink:#18213b;
  --muted:#667085;
  --line:#e7ebf0;
  --soft:#f5f8fa;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--white);color:var(--ink);font-family:"Poppins","Geologica",Arial,Helvetica,sans-serif}
button,input{font:inherit}
.hero{background:var(--navy);color:#fff;position:relative;overflow:hidden}
.hero:after{content:"";position:absolute;right:-8%;bottom:-55%;width:62%;height:95%;border:2px solid rgba(93,196,237,.55);border-radius:50%;transform:rotate(-12deg);pointer-events:none}
.hero-inner{max-width:1180px;margin:auto;padding:38px 28px 58px;position:relative;z-index:1}
.brand{display:flex;align-items:center;justify-content:space-between;gap:24px;border-bottom:1px solid rgba(255,255,255,.18);padding-bottom:18px}
.event-logo{width:min(285px,52vw);height:auto;display:block;filter:none}
.edition{font-size:12px;letter-spacing:.12em;color:var(--blue);font-weight:700;white-space:nowrap}
.hero-copy{max-width:760px;padding:64px 0 34px}
.eyebrow,.section-kicker,.modal-tag{font-size:11px;letter-spacing:.16em;font-weight:800;color:var(--blue);margin:0 0 14px}
h1{font-size:clamp(38px,6vw,72px);line-height:.98;letter-spacing:-.045em;margin:0 0 20px}
.intro{max-width:560px;color:#d8e0ec;font-size:17px;line-height:1.6;margin:0}
.search-wrap{max-width:760px;position:relative}
.search-wrap input{width:100%;border:0;border-radius:10px;padding:19px 20px 19px 52px;color:var(--ink);background:#fff;outline:0;box-shadow:0 10px 30px rgba(0,0,0,.14)}
.search-wrap input:focus{box-shadow:0 0 0 3px rgba(93,196,237,.35)}
.search-icon{position:absolute;left:18px;top:13px;font-size:28px;color:var(--blue);z-index:2}
.container{max-width:1180px;margin:auto;padding:48px 28px 72px}
.toolbar{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:24px}
.toolbar h2{font-size:30px;margin:0;letter-spacing:-.03em}
.lang-btn{border:1px solid var(--line);background:#fff;color:var(--navy);border-radius:999px;padding:10px 15px;cursor:pointer;font-weight:700}
.alphabet{display:flex;flex-wrap:wrap;gap:7px;padding:14px 0 24px;border-bottom:1px solid var(--line)}
.alphabet button{border:0;background:var(--soft);color:var(--navy);width:34px;height:34px;border-radius:8px;cursor:pointer;font-weight:700}
.alphabet button:hover,.alphabet button.active{background:var(--blue)}
.count{color:var(--muted);font-size:13px;margin:20px 0}
.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:14px;padding:22px;background:#fff;min-height:190px;display:flex;flex-direction:column;transition:.18s ease;cursor:pointer}
.card:hover{transform:translateY(-3px);border-color:#c8dce5;box-shadow:0 12px 30px rgba(24,33,59,.08)}
.card-letter{font-size:11px;font-weight:800;letter-spacing:.12em;color:var(--blue);margin-bottom:13px}
.card h3{font-size:20px;line-height:1.15;margin:0 0 12px}
.card .keywords{font-size:12px;color:#5c677a;line-height:1.5;margin-bottom:18px}
.card-link{margin-top:auto;color:var(--navy);font-weight:800;font-size:13px}
.keywords{display:flex;flex-wrap:wrap;gap:7px}
.keyword{font-size:11px;padding:6px 9px;border-radius:999px;background:#eaf7fc;color:var(--navy)}
.empty{padding:50px 0;text-align:center;color:var(--muted);display:flex;flex-direction:column;gap:8px}
.hidden{display:none!important}
.modal{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:22px}
.modal-backdrop{position:absolute;inset:0;background:rgba(9,16,31,.62);backdrop-filter:blur(4px)}
.modal-card{position:relative;z-index:1;background:#fff;width:min(900px,100%);max-height:90vh;overflow:auto;border-radius:18px;box-shadow:0 30px 80px rgba(0,0,0,.3)}
.close{position:absolute;right:18px;top:15px;border:0;background:transparent;font-size:30px;color:#7a8495;cursor:pointer}
.modal-head{background:var(--navy);color:#fff;padding:38px 42px}
.modal-head h2{font-size:34px;line-height:1.05;margin:0 35px 10px 0}
.website{color:var(--blue);font-size:13px;word-break:break-all}
.modal-body{padding:34px 42px 40px}
.desc-grid{display:grid;grid-template-columns:1fr 1fr;gap:34px;margin:28px 0}
.desc-grid h3{font-size:13px;text-transform:uppercase;letter-spacing:.1em;margin:0 0 10px}
.desc-grid p{color:#4f596b;line-height:1.65;margin:0}
.contact{border-top:1px solid var(--line);padding-top:22px;display:grid;gap:10px;color:#4f596b;font-size:14px}
.contact a{color:var(--navy);font-weight:700}
footer{background:var(--navy);color:#bfc8d8;display:flex;justify-content:space-between;gap:20px;padding:24px max(28px,calc((100% - 1180px)/2));font-size:11px;letter-spacing:.08em}
@media(max-width:850px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:600px){
 .hero-inner{padding:24px 18px 38px}.brand{align-items:flex-start}.event-logo{width:220px}.edition{font-size:10px;margin-top:8px}.hero-copy{padding:48px 0 28px}.container{padding:34px 18px 52px}
 .grid{grid-template-columns:1fr}.toolbar{align-items:start}.toolbar h2{font-size:25px}
 .desc-grid{grid-template-columns:1fr;gap:24px}.modal-head,.modal-body{padding-left:24px;padding-right:24px}
 footer{padding:20px 18px;flex-direction:column}
}

/* Official event identity and sponsor footer */
.event-logo{width:min(410px,62vw);height:auto;display:block}
.footer-brand{font-weight:700;letter-spacing:.08em;white-space:nowrap}
footer{align-items:center;flex-wrap:wrap}
.footer-sponsors{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.sponsor{display:flex;align-items:center;gap:12px}
.sponsor span{font-size:10px;letter-spacing:.08em;text-transform:uppercase;color:#d5dbe6;font-weight:700;white-space:nowrap}
.sponsor img{display:block;object-fit:contain;background:#fff;border-radius:6px}
.sponsor-master img{width:170px;max-height:46px}
.sponsor-media img{width:155px;max-height:46px}
@media(max-width:600px){
  .event-logo{width:min(300px,72vw)}
  .footer-sponsors{width:100%;gap:18px}
  .sponsor{width:100%;justify-content:flex-start}
  .sponsor-master img{width:155px}
  .sponsor-media img{width:140px}
}

/* Dedicated official partners section */
.sponsors-section{
  background:#f5f8fa;
  border-top:1px solid #e7ebf0;
  padding:56px 28px 62px;
}
.sponsors-inner{
  max-width:1180px;
  margin:0 auto;
}
.sponsors-section .section-kicker{
  margin-bottom:22px;
}
.sponsors-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:18px;
  max-width:900px;
}
.sponsor-card{
  min-height:150px;
  background:#fff;
  border:1px solid #e7ebf0;
  border-radius:16px;
  padding:28px 32px;
  display:flex;
  flex-direction:column;
  justify-content:center;
  align-items:flex-start;
  gap:18px;
  box-shadow:0 8px 24px rgba(24,33,59,.05);
}
.sponsor-card span{
  color:#18213b;
  font-size:11px;
  font-weight:800;
  letter-spacing:.13em;
  text-transform:uppercase;
}
.sponsor-card img{
  display:block;
  width:auto;
  max-width:100%;
  height:52px;
  object-fit:contain;
  object-position:left center;
}
.sponsor-card:first-child img{height:58px}
@media(max-width:650px){
  .sponsors-section{padding:42px 18px 48px}
  .sponsors-grid{grid-template-columns:1fr}
  .sponsor-card{min-height:130px;padding:24px}
}