/* ===== Variables / Reset ===== */
:root{
  --bg:#0B1220; --bg2:#0E1729; --panel:#111A2E; --ink:#E6F0FF; --muted:#A9B7D0;
  --blue-600:#0056D2; --blue-500:#007BFF;
  --gold-500:#FFC107; --gold-600:#FFB300;
  --teal-500:#00C6A7; --teal-600:#1DE9B6;
  --radius:16px; --radius-sm:12px; --speed:.3s;
  --shadow:rgba(0,0,0,.35);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:linear-gradient(180deg,#0a1120,#0a152a 40%,#0a1120);overflow-x:hidden}
a{color:#9bc8ff;text-decoration:none} a:hover{color:#cfe5ff}
h1,h2,h3,strong{color:#EAF2FF}
h1,h2,h3{line-height:1.25}
.hero-title{font-size:clamp(28px,4vw,44px);margin:.2em 0 .4em}
h2{font-size:clamp(22px,3vw,32px);margin:.2em 0 .6em}
h3{font-size:clamp(18px,2.2vw,22px);margin:.3em 0 .4em}
.muted{color:var(--muted)}
.lead{font-size:clamp(16px,2.2vw,20px);color:#DCE8FF}

/* Containers & Sections */
.container{width:min(1100px,92%);margin-inline:auto}
.container.narrow{width:min(900px,92%)}
.section{padding:96px 0}
.section.tint{background:linear-gradient(180deg,transparent,#0c162c 30%,transparent)}
.section-head{text-align:center;margin-bottom:40px}

/* Header / Nav */
.header{position:sticky;top:0;z-index:50;display:flex;align-items:center;background:rgba(10,17,32,.7);
  border-bottom:1px solid rgba(146,180,255,.12);backdrop-filter:saturate(120%) blur(8px)}
.brand{display:flex;align-items:center;gap:10px;padding:10px 12px}
.brand .logo{width:34px;height:34px;object-fit:contain;filter:drop-shadow(0 6px 18px rgba(0,86,210,.35))}
.brand-text{font-weight:700;letter-spacing:.2px}
.nav{display:flex;gap:12px;align-items:center;margin-left:auto;padding:10px 12px;flex-wrap:wrap}
.nav a{padding:8px 10px;border-radius:10px;color:#cfe0ff}
.nav a:hover{background:rgba(146,180,255,.12);color:#fff}
.burger{display:none;background:none;border:0;padding:10px 12px;margin-left:auto}
.burger span{display:block;width:24px;height:2px;background:#cfe0ff;margin:5px 0;transition:.3s}
@media (max-width:980px){
  .burger{display:block}
  .nav{position:fixed;inset:60px 0 auto 0;background:rgba(10,17,32,.98);
    flex-direction:column;gap:0;padding:0;border-bottom:1px solid rgba(146,180,255,.12);
    transform:translateY(-120%);transition:var(--speed)}
  .nav a{width:100%;padding:14px 16px;border-radius:0;border-top:1px solid rgba(146,180,255,.08)}
  .nav.open{transform:translateY(0)}
}

/* Hero */
.hero{position:relative;min-height:72svh;display:grid;place-items:center;padding-top:120px;
  background: radial-gradient(1200px 520px at 50% 88%, rgba(0,123,255,.10), transparent 70%)}
.hero-inner{position:relative;z-index:2;text-align:center}
.hero-bg{position:absolute;inset:0;overflow:hidden}
.hill{position:absolute;inset:auto 0 0;margin:auto;height:36%;border-radius:50% 50% 0 0;filter:blur(10px);opacity:.9;transform:translateY(12%)}
.hero-bg .h1{width:75%;background:radial-gradient(60% 90% at 50% 90%,#0c3a7a 0,transparent 70%),linear-gradient(180deg,#002b66,#08142a)}
.hero-bg .h2{width:55%;left:5%;background:radial-gradient(50% 80% at 50% 90%,#0049b1 0,transparent 70%),linear-gradient(180deg,#06306d,#08142a)}
.hero-bg .h3{width:55%;right:5%;background:radial-gradient(50% 80% at 50% 90%,#007bff 0,transparent 70%),linear-gradient(180deg,#0b3d90,#08142a)}
.flow{position:absolute;inset:0;width:100%;height:100%;pointer-events:none;opacity:.35}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;
  background:linear-gradient(180deg,rgba(10,21,42,0) 0,rgba(10,21,42,.6) 40%,rgba(10,21,42,1) 100%);pointer-events:none}

/* Cards & grids */
.card{background:linear-gradient(180deg,#0f1b33,#0b1324);border:1px solid rgba(146,180,255,.12);
  border-radius:var(--radius);padding:22px;box-shadow:0 10px 30px -10px var(--shadow)}
.card.soft{background:linear-gradient(180deg,#0e1a31,#0b1220)}
.grid{display:grid;gap:18px}
.grid.principles{grid-template-columns:repeat(3,minmax(0,1fr))}
@media (max-width:900px){.grid.principles{grid-template-columns:1fr}}

/* Ecosystem */
.eco-rows{display:grid;gap:28px;grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.eco-item{padding:10px 2px}
.eco-blocks{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px;margin-top:12px}
.eco-card{background:linear-gradient(180deg,#0f1b33,#0b1324);border:1px solid rgba(146,180,255,.14);
  border-radius:14px;padding:14px 16px;display:flex;align-items:center;justify-content:space-between;
  transition:.3s;box-shadow:0 10px 24px -16px rgba(0,0,0,.4)}
.eco-card strong{color:#e9f2ff;font-weight:700}
.eco-card span{color:#93a6c6;font-size:.95rem}
.eco-card .mini{color:#9bc8ff}
.eco-card:hover{transform:translateY(-2px);box-shadow:0 24px 60px -28px rgba(0,86,210,.5)}

/* Info buttons & popups */
.info{margin-left:8px;background:transparent;border:1px solid rgba(146,180,255,.35);color:#cfe0ff;
  border-radius:50%;width:22px;height:22px;line-height:20px;text-align:center;cursor:pointer}
.modal{max-width:min(560px,92%);border:1px solid #2a4d85;border-radius:16px;background:#0b1427;color:#eaf2ff;padding:18px 16px}
.modal::backdrop{background:rgba(4,10,24,.6)}

/* ===== Timeline ===== */
.timeline{
  --gap: 22px;
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(220px, 1fr));
  gap: var(--gap);
  min-height: 240px;
  padding-bottom: 90px;
}

/* нижняя полоса и бегунок (на десктопе) */
.track{
  position: absolute;
  left: 0; right: 0; bottom: 24px;
  height: 4px;
  background: linear-gradient(90deg,#15305d,#0056d2,#0ab0ff);
  border-radius: 999px;
  opacity: .55;
}

.avatar{
  position: absolute;
  bottom: calc(24px - 22px);
  left: 0;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: radial-gradient(100% 100% at 50% 30%,#9fd0ff 0,#0b2545 60%);
  display: grid; place-items: center;
  box-shadow: 0 10px 30px -10px rgba(0,86,210,.9);
  transform: translateX(0);          /* JS управляет пикселями */
  will-change: transform;
  z-index: 1;
}

/* карточки шагов */
.tl-step{
  position: relative;
  padding: 18px;
  background: linear-gradient(180deg,#0f1b33,#0b1324);
  border: 1px solid rgba(146,180,255,.12);
  border-radius: 16px;
  min-height: 150px;
  overflow: visible;                  /* чтобы перемычка не обрезалась */
}

/* перемычки между карточками — всегда = зазору сетки */
@media (min-width: 901px){
  .tl-step::after{
    content:"";
    position: absolute;
    top: 50%;
    right: calc(var(--gap) * -1);
    width: var(--gap);
    height: 2px;
    transform: translateY(-50%);
    background: linear-gradient(90deg,#0a5ad9,#00a8ff);
    border-radius: 2px;
    opacity: .85;
  }
  .tl-step:last-child::after{ display: none; }
}

/* мобильная вертикальная версия */
@media (max-width: 900px){
  .timeline{ grid-template-columns: 1fr; gap: 16px; padding-bottom: 0; }
  .track{ left: 24px; width: 4px; height: calc(100% - 24px); bottom: auto;
          background: linear-gradient(180deg,#15305d,#0056d2,#0ab0ff); }
  .avatar{ top: 0; left: 24px; bottom: auto; transform: translate(-50%,0); }
  .tl-step::after{ display: none; }   /* перемычки скрываем на мобиле */
}

.tl-step .hover-card{position:absolute;left:12px;right:12px;bottom:12px;background:#0b1220;border:1px solid rgba(146,180,255,.18);border-radius:12px;padding:10px;box-shadow:0 20px 40px -28px var(--shadow);opacity:0;transform:translateY(6px);pointer-events:none;transition:var(--speed)}
.tl-step:hover .hover-card{opacity:1;transform:none}
.tl-step .badge.blue{background:rgba(0,123,255,.15);border:1px solid rgba(0,123,255,.35);padding:3px 8px;border-radius:8px}
.tokens{position:absolute;inset:auto 10px 10px auto;display:flex;gap:8px}
.tokens span{width:18px;height:18px;border-radius:50%;background:linear-gradient(180deg,#00A2FF,#007BFF);box-shadow:0 10px 20px -10px rgba(0,123,255,.8);animation:spin 4s linear infinite}
.tokens span:nth-child(2){animation-delay:.5s}
.tokens span:nth-child(3){animation-delay:1s}
@keyframes spin{to{transform:rotate(360deg)}}
.money{position:absolute;inset:auto 8px 12px auto;width:100px;height:18px;background:linear-gradient(90deg,#20e07a,#71ffa8);filter:drop-shadow(0 6px 12px rgba(20,255,160,.35));clip-path:polygon(0 50%,80% 50%,80% 0,100% 50%,80% 100%,80% 50%,0 50%)}

/* Buttons */
.btn{--bg:#1a2b4d;--bd:#2a3d66;display:inline-flex;align-items:center;justify-content:center;gap:.5em;padding:12px 16px;border-radius:12px;border:1px solid var(--bd);background:var(--bg);color:#fff;cursor:pointer;transition:box-shadow var(--speed),transform var(--speed),background var(--speed)}
.btn:hover{box-shadow:0 20px 40px -20px rgba(0,0,0,.5);transform:translateY(-1px)}
.btn.primary{--bg:linear-gradient(180deg,#0a5ad9,#004fbe);--bd:#1a63ff}
.btn.gold{--bg:linear-gradient(180deg,var(--gold-500),var(--gold-600));--bd:#f0a400;color:#1a1400;text-shadow:0 1px 0 #fff6}
.btn.gold:hover{box-shadow:0 0 0 3px rgba(255,193,7,.25),0 24px 50px -24px rgba(255,193,7,.65)}
.btn.teal{--bg:linear-gradient(180deg,var(--teal-500),var(--teal-600));--bd:#08d3b0;color:#00221c}
.btn.outline{background:transparent;border:1px solid rgba(146,180,255,.35)}
.link.ghost{padding:0;background:none;border:0;color:#9bc8ff;cursor:pointer}
.link.ghost:hover{color:#fff}

/* Credits / FRP */
.credits-wrap{display:grid;gap:22px;grid-template-columns:1.1fr .9fr;position:relative}
.info-tiles{display:grid;gap:14px;grid-template-columns:repeat(3,1fr)}
.tile{background:linear-gradient(160deg,#0e1a31,#0b1324);padding:16px;border:1px solid rgba(146,180,255,.12);border-radius:14px;text-align:center}
.tile strong{display:block;font-size:18px}
.frp-wrap{position:relative}
.frp-pop{position:absolute;left:0;right:0;bottom:-6px;transform:translateY(100%);background:#0b1427;border:1px solid rgba(146,180,255,.18);border-radius:12px;padding:12px;display:none;box-shadow:0 20px 50px -20px rgba(0,0,0,.55);z-index:2}
.frp-wrap:hover .frp-pop{display:block}
@media (max-width:900px){.credits-wrap{grid-template-columns:1fr}.info-tiles{grid-template-columns:repeat(3,1fr)}}

/* AI */
.ai{position:relative;overflow:hidden}
.ai-bg{position:absolute;inset:0;opacity:.25;pointer-events:none}
.neurons{position:absolute;inset:0;background:radial-gradient(300px 180px at 20% 40%,#0ab0ff44,transparent 70%),radial-gradient(260px 160px at 70% 25%,#00ffd944,transparent 70%),radial-gradient(320px 200px at 60% 75%,#007bff44,transparent 70%);animation:pulse 8s ease-in-out infinite alternate}
@keyframes pulse{to{transform:translate3d(0,-12px,0) scale(1.03)}}
.meta .badge.rf{display:inline-block;padding:6px 10px;border-radius:12px;border:1px solid #2dffca66;color:#c8fff0;background:rgba(0,198,167,.08)}

/* Experts, partners, cases */
.grid.experts{grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:1000px){.grid.experts{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.grid.experts{grid-template-columns:1fr}}
.expert .photo{width:88px;height:88px;border-radius:50%;object-fit:cover;margin-bottom:10px;border:1px solid rgba(146,180,255,.25);box-shadow:0 10px 24px -16px rgba(0,0,0,.5)}
.grid.partners{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap}
.p-card{display:flex;align-items:center;gap:14px;background:linear-gradient(180deg,#0f1b33,#0b1324);border:1px solid rgba(146,180,255,.12);border-radius:18px;padding:14px 20px;width:max-content;max-width:min(840px,92%)}
.p-photo{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid rgba(146,180,255,.22)}
.p-name{color:#eaf2ff;font-weight:600}
.grid.cases{grid-template-columns:repeat(2,1fr);gap:18px}
@media (max-width:900px){.grid.cases{grid-template-columns:1fr}}

/* Footer */
.footer{margin-top:50px;border-top:1px solid rgba(146,180,255,.12);background:#0a1324}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:22px;padding:28px 0}
.foot-bottom{text-align:center;padding:12px;color:#93a6c6;border-top:1px solid rgba(146,180,255,.08)}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr}}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity var(--speed) ease,transform var(--speed) ease}
.reveal.visible{opacity:1;transform:none}

/* School inline layout */
.school-inline{display:flex;align-items:center;justify-content:center;gap:18px;flex-wrap:wrap;
  background:linear-gradient(180deg,#0f1b33,#0b1324);border:1px solid rgba(146,180,255,.12);
  border-radius:16px;padding:18px 22px}
.inline-points{list-style:none;display:flex;gap:18px;flex-wrap:wrap;margin:0;padding:0}
.inline-points li+li::before{content:"•";margin:0 6px;color:#7fb3ff}


/* === HOTFIX: partners single-card layout === */
#partners .grid.partners{display:flex;justify-content:center;align-items:center;gap:18px;flex-wrap:wrap}
#partners .p-card{display:flex;align-items:center;gap:14px;background:linear-gradient(180deg,#0f1b33,#0b1324);border:1px solid rgba(146,180,255,.12);border-radius:18px;padding:14px 20px;width:max-content;max-width:min(840px,92%)}
#partners .p-photo{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid rgba(146,180,255,.22)}
#partners .p-name{text-align:center;max-width:38ch}


/* Partners: single compact card */
#partners .partners-single{display:flex;justify-content:center;align-items:center;padding:10px 0}
#partners .p-card--single{max-width:560px;margin-inline:auto}
#partners .p-photo{width:56px;height:56px;border-radius:50%;object-fit:cover;border:1px solid rgba(146,180,255,.22)}
#partners .p-name{text-align:center;font-size:clamp(16px,2.2vw,18px);max-width:42ch;color:#eaf2ff}

/* Partners styled like Experts */
#partners .grid.experts{justify-items:center}
#partners .card.expert{max-width:420px;width:100%}


/* Single partner layout */
.grid.partners{grid-template-columns:repeat(auto-fit,minmax(220px,280px));justify-content:center}
.grid.partners.single{max-width:480px;margin:0 auto}
.p-sub{font-size:.9rem;margin-top:2px}


/* Partners section reuses Experts card styles */
.partners-one{max-width:520px;margin:0 auto}


/* Center single partner card using Experts grid styles */
.partners-one{max-width:540px;margin:0 auto}


/* Partners — same look as Experts, centered, with bold title and smaller subline */
.partners-one{max-width:560px;margin:0 auto}
.partners-one .expert h3{font-weight:800;margin-bottom:6px}
.partners-one .expert .partner-sub{font-size:.9rem;line-height:1.4;margin:0}