/* Только по люБВИ — белый / неоново-зелёный #3CFF14 / фиолетовый #6D3BEF */
:root{
  --ink:#0b0f0a;
  --mut:#5e6a5c;
  --line:#e4e9e2;
  --soft:#f5f7f4;
  --acid:#3cff14;
  --acid-press:#2fd60d;
  --violet:#6d3bef;
  --wrap:1180px;
  --font:"Segoe UI",-apple-system,BlinkMacSystemFont,"Helvetica Neue","Noto Sans",Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","Cascadia Mono","JetBrains Mono",Consolas,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:#fff;
  font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--ink);text-decoration:none}
h1,h2,h3{margin:0 0 .45em;font-weight:800;letter-spacing:-.03em;line-height:1.02;text-wrap:balance}
h1{font-size:clamp(2.4rem,5.6vw,4.4rem)}
h2{font-size:clamp(1.7rem,3.4vw,2.6rem)}
h3{font-size:1.2rem;line-height:1.2}
p{margin:0 0 1em}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 22px}
.small{font-size:.93rem}
.muted{color:var(--mut)}
.lede{font-size:clamp(1.02rem,1.3vw,1.18rem);color:var(--mut);max-width:58ch;line-height:1.55}
.plain{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:10px 14px;z-index:99}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}

/* моно-подписи */
.k{font-family:var(--mono);font-size:.74rem;letter-spacing:.08em;text-transform:uppercase;color:var(--mut)}
.k b{color:var(--ink);font-weight:700}

/* маркер-выделение */
.mark{background:var(--acid);color:var(--ink);padding:0 .1em;box-decoration-break:clone;-webkit-box-decoration-break:clone}

/* шапка */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--ink)}
.header-inner{display:flex;align-items:center;gap:26px;height:64px}
.logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{display:grid;place-items:center;width:34px;height:34px;font-size:1.5rem;line-height:1;background:none;color:inherit}
.logo-text{font-weight:700;font-size:1rem;letter-spacing:-.02em;white-space:nowrap}
.logo-text b{font-weight:800}
.nav{display:flex;gap:22px;margin-left:auto;font-size:.94rem;font-weight:600}
.nav a{color:var(--mut)}
.nav a:hover{color:var(--ink)}

/* кнопки — прямоугольные */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;
  background:var(--ink);color:#fff;font-weight:700;border:1px solid var(--ink);
  padding:14px 24px;font-size:.99rem;letter-spacing:-.01em;transition:.14s ease;white-space:nowrap}
.btn::after{content:"→"}
.btn:hover{background:var(--acid);color:var(--ink);border-color:var(--ink)}
.btn-sm{padding:9px 15px;font-size:.9rem}
.btn-lg{padding:16px 30px;font-size:1.04rem}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn--plain::after{content:none}

/* герой */
.hero{padding:clamp(46px,6.5vw,86px) 0 0}
.hero .k{display:block;margin-bottom:22px}
.hero h1{max-width:21ch}
.hero .lede{margin-top:10px}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;margin-top:30px;align-items:center}
.hero-strip{margin-top:clamp(36px,5vw,56px);border-top:1px solid var(--ink);
  display:flex;flex-wrap:wrap}
.hero-strip .cell{flex:1 1 180px;padding:16px 18px 18px;border-right:1px solid var(--line)}
.hero-strip .cell:last-child{border-right:none}
.hero-strip b{display:block;font-size:1.7rem;font-weight:800;letter-spacing:-.03em;line-height:1.1}
.hero-strip span{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.07em;color:var(--mut)}

/* секции */
section{padding:clamp(48px,6vw,88px) 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  flex-wrap:wrap;margin-bottom:30px}
.section-head h2{margin:0}
.alt{background:var(--soft)}

/* каталог-таблица */
.cat-wrap{border:1px solid var(--ink);overflow-x:auto;background:#fff}
.cat{width:100%;border-collapse:collapse;min-width:860px}
.cat th{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  text-align:left;color:var(--ink);background:var(--acid);padding:12px 16px;border-bottom:1px solid var(--ink)}
.cat td{padding:18px 16px;border-bottom:1px solid var(--line);vertical-align:top}
.cat tr:last-child td{border-bottom:none}
.cat tbody tr{transition:.12s ease}
.cat tbody tr:hover{background:rgba(60,255,20,.1)}
.cat .oname{font-size:1.18rem;font-weight:800;letter-spacing:-.02em;line-height:1.1}
.cat .oname a:hover{text-decoration:underline;text-decoration-thickness:3px;text-decoration-color:var(--acid);text-underline-offset:4px}
.cat .oorg{font-size:.82rem;color:var(--mut);margin-top:3px}
.cat .fmt{font-size:.9rem;line-height:1.4;max-width:26ch}
.cat .fmt .k{display:block;margin-bottom:2px}
.cat td.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.cat td.num s{color:var(--mut);margin-right:8px;font-size:.88em}
.cat td.num b{font-size:1.1rem;font-weight:800}
.cat .go a{font-weight:700;font-size:.9rem;white-space:nowrap}
.cat .go a:hover{background:var(--acid);padding:2px 6px}
.chip{display:inline-block;font-family:var(--mono);font-size:.68rem;letter-spacing:.05em;
  text-transform:uppercase;padding:3px 8px;border:1px solid var(--ink);margin-top:8px}
.chip--acid{background:var(--acid);border-color:var(--ink)}
.chip--violet{background:var(--violet);border-color:var(--violet);color:#fff}

/* реестр «что в курсе» */
.ledger{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,4vw,64px);align-items:start}
.ledger-side{position:sticky;top:86px}
.ledger-side .k{display:block;margin-top:18px;line-height:1.9}
.ledger-list{list-style:none;margin:0;padding:0;counter-reset:l}
.ledger-list li{counter-increment:l;display:grid;grid-template-columns:64px 1fr;gap:18px;
  padding:20px 0;border-top:1px solid var(--ink)}
.ledger-list li:last-child{border-bottom:1px solid var(--ink)}
.ledger-list li::before{content:"0" counter(l);font-family:var(--mono);font-weight:700;
  font-size:1.4rem;letter-spacing:-.02em}
.ledger-list h3{margin:0 0 4px;font-size:1.08rem}
.ledger-list p{margin:0;color:var(--mut);font-size:.95rem}

/* честный блок */
.honest{background:var(--ink);color:#fff}
.honest .k{color:#8fa08b}
.honest-list{list-style:none;margin:26px 0 0;padding:0}
.honest-list li{display:grid;grid-template-columns:64px 1fr;gap:18px;align-items:baseline;
  padding:22px 0;border-top:1px solid #2a332a}
.honest-list .n{font-family:var(--mono);color:var(--acid);font-weight:700}
.honest-list .t{font-size:clamp(1.25rem,2.6vw,1.9rem);font-weight:800;letter-spacing:-.025em;line-height:1.15}
.honest-list .t em{font-style:normal;color:var(--acid)}
.honest-list p{margin:6px 0 0;color:#9aa896;font-size:.95rem;max-width:60ch}

/* FAQ — без карточек */
.faq{max-width:880px}
.faq details{border-top:1px solid var(--ink);padding:18px 0}
.faq details:last-child{border-bottom:1px solid var(--ink)}
summary{cursor:pointer;font-weight:800;font-size:1.06rem;letter-spacing:-.015em;list-style:none;
  display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--mono);font-weight:700;font-size:1.3rem;
  width:30px;height:30px;display:grid;place-items:center;background:var(--acid);flex:0 0 auto}
details[open] summary::after{content:"–"}
details p{margin:12px 0 0;color:var(--mut);max-width:66ch}

/* CTA-полоса */
.cta{background:var(--acid);color:var(--ink)}
.cta h2{color:var(--ink)}
.cta .lede{color:#1e4d12}
.cta-inner{display:flex;gap:30px;align-items:center;justify-content:space-between;flex-wrap:wrap}
.cta .btn{background:var(--ink);color:#fff;border-color:var(--ink)}
.cta .btn:hover{background:#fff;color:var(--ink)}
.cta-actions{display:flex;flex-direction:column;gap:8px;align-items:flex-start}
.cta .muted{color:#22590f;font-family:var(--mono);font-size:.76rem;text-transform:uppercase;letter-spacing:.06em}

/* страница олимпиады */
.crumbs{font-family:var(--mono);font-size:.74rem;letter-spacing:.05em;text-transform:uppercase;
  color:var(--mut);padding:18px 0 0}
.crumbs a{color:var(--mut)}
.crumbs a:hover{color:var(--ink)}
.olymp-head{display:grid;grid-template-columns:190px 1fr;gap:32px;align-items:center;
  padding:28px 0 clamp(34px,4.5vw,52px)}
.olymp-head img{border:1px solid var(--ink)}
.olymp-head h1{font-size:clamp(1.9rem,4.2vw,3.2rem)}
.badge{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.06em;
  text-transform:uppercase;padding:4px 10px;border:1px solid var(--ink)}
.badge--high{background:var(--acid)}
.badge--onsite{background:var(--violet);border-color:var(--violet);color:#fff}
.badge--check{background:#fff}
.stages{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:0;
  border:1px solid var(--ink);background:#fff}
.stage{padding:24px;border-right:1px solid var(--line)}
.stage:last-child{border-right:none}
.stage .tag{display:inline-block;font-family:var(--mono);font-size:.7rem;letter-spacing:.07em;
  text-transform:uppercase;background:var(--acid);padding:4px 10px;margin-bottom:12px;border:1px solid var(--ink)}
.stage p{margin:0}
.facts{list-style:none;margin:22px 0 0;padding:0}
.facts .fact,.facts li{padding:14px 0 14px 26px;border-top:1px solid var(--line);position:relative;font-size:.98rem}
.facts .fact::before,.facts li::before{content:"—";position:absolute;left:0;font-weight:700;color:var(--violet)}
.facts{display:block}
div.facts{margin-top:22px}
div.facts .fact{background:none;border:none;border-top:1px solid var(--line);border-radius:0}

/* таблица предметов на странице олимпиады */
.table-wrap{border:1px solid var(--ink);overflow-x:auto;background:#fff}
table{width:100%;border-collapse:collapse;font-size:.99rem;min-width:440px}
th,td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line)}
th{font-family:var(--mono);font-size:.7rem;letter-spacing:.08em;text-transform:uppercase;
  background:var(--acid);color:var(--ink);border-bottom:1px solid var(--ink)}
tr:last-child td{border-bottom:none}
td.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.num s{color:var(--mut);margin-right:10px}
td.num b{font-weight:800}

/* юр. страницы */
.legal{max-width:840px}
.legal h1{font-size:clamp(1.8rem,3.6vw,2.6rem)}
.legal h2{font-size:1.3rem;margin-top:36px}
.legal li{margin-bottom:9px}

/* подвал */
.site-footer{border-top:1px solid var(--ink);padding:46px 0 28px;background:#fff}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:38px}
.logo--footer{margin-bottom:12px}
.fh{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;letter-spacing:.08em;
  margin:0 0 12px;font-weight:700;color:var(--mut)}
.footer-legal{margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}
.footer-legal p{margin:0}

@media(max-width:900px){
  .nav{display:none}
  .ledger{grid-template-columns:1fr}
  .ledger-side{position:static}
  .footer-grid{grid-template-columns:1fr 1fr}
  .olymp-head{grid-template-columns:110px 1fr;gap:20px}
}
@media(max-width:560px){
  body{font-size:16px}
  .footer-grid{grid-template-columns:1fr}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .honest-list li,.ledger-list li{grid-template-columns:44px 1fr;gap:12px}
  .hero-strip .cell{flex:1 1 46%}
}

/* ================= ПИКСЕЛЬНАЯ АЙДЕНТИКА ================= */
@import url('https://fonts.googleapis.com/css2?family=Pixelify+Sans:wght@400..700&display=swap&subset=cyrillic,latin');
:root{ --pixel:"Pixelify Sans","Segoe UI",monospace; }

/* моно-подписи и цифры — пиксельным шрифтом */
.k{font-family:var(--pixel);font-size:.86rem;letter-spacing:.06em}
.hero-strip b,.honest-list .n,.ledger-list li::before,.cat th,.chip,.badge,
.stage .tag,.crumbs,.fh,.cta .muted{font-family:var(--pixel)}
.hero-strip b{font-size:2rem;letter-spacing:0}
.cat th{font-size:.8rem}
.chip,.badge,.stage .tag{font-size:.78rem}
.fh{font-size:.9rem}
summary::after{font-family:var(--pixel)}

/* пиксельное лого */
.logo-mark{width:30px;height:30px;display:grid;place-items:center;background:none}
.logo-mark svg{width:30px;height:auto;display:block}

/* пиксельная полоска-разделитель */
.pxstrip{height:8px;width:100%;
  background-image:linear-gradient(90deg,var(--acid) 25%,transparent 25%);
  background-size:8px 8px}
.pxstrip--ink{background-image:linear-gradient(90deg,var(--ink) 25%,transparent 25%)}

/* пиксельный прогресс «10 уроков» */
.pxbar{display:flex;gap:3px;margin-top:14px}
.pxbar i{width:14px;height:14px;background:var(--acid);border:1px solid var(--ink);font-style:normal}
.pxbar i.off{background:#fff}

/* пиксельные «жизни» в блоке фактов */
.pxheart{display:inline-block;width:13px;vertical-align:-1px;margin-right:4px}

/* лёгкая пиксельная тень у кнопки — как в ретро-интерфейсах */
.btn{box-shadow:3px 3px 0 rgba(11,15,10,.18)}
.btn:hover{box-shadow:1px 1px 0 rgba(11,15,10,.18);transform:translate(2px,2px)}
.cta .btn{box-shadow:3px 3px 0 rgba(255,255,255,.35)}

/* ===== КВЕСТ: путь до диплома ===== */
.quest{list-style:none;margin:0;padding:0;display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:0;border:1px solid var(--ink);background:#fff}
.quest-step{padding:26px 24px;border-right:1px solid var(--ink);position:relative}
.quest-step:last-child{border-right:none}
.q-tag{display:inline-block;font-family:var(--pixel);font-size:.82rem;letter-spacing:.05em;
  text-transform:uppercase;background:var(--ink);color:#fff;padding:4px 11px;margin-bottom:14px}
.quest-step b{display:block;font-size:1.45rem;font-weight:800;letter-spacing:-.03em;margin-bottom:8px}
.quest-step p{margin:0;color:var(--mut);font-size:.97rem}
.q-note{display:block;margin-top:14px;font-family:var(--pixel);font-size:.8rem;color:var(--mut)}
.quest-goal{background:var(--acid)}
.quest-goal .q-tag{background:var(--ink)}
.quest-goal p,.quest-goal .q-note{color:#1e4d12}
/* пиксельные стрелки между шагами */
.quest-step:not(:last-child)::after{content:"";position:absolute;right:-7px;top:50%;
  width:13px;height:13px;margin-top:-6px;background:var(--ink);z-index:2;
  clip-path:polygon(0 0,60% 0,60% 20%,80% 20%,80% 40%,100% 40%,100% 60%,80% 60%,80% 80%,60% 80%,60% 100%,0 100%,0 80%,40% 80%,40% 60%,0 60%,0 40%,40% 40%,40% 20%,0 20%)}

/* строка статуса [ поле: значение ] */
.statline{display:flex;flex-wrap:wrap;gap:8px 16px;margin:18px 0 4px;
  font-family:var(--pixel);font-size:.86rem;color:var(--mut)}
.statline b{color:var(--ink);font-weight:700}

@media(max-width:900px){
  .quest-step{border-right:none;border-bottom:1px solid var(--ink)}
  .quest-step:last-child{border-bottom:none}
  .quest-step:not(:last-child)::after{right:50%;top:auto;bottom:-7px;margin:0 -6px 0 0;transform:rotate(90deg)}
}

/* картинки логотипов — строго квадрат, без растягивания */
.olymp-head img{width:100%;aspect-ratio:1/1;object-fit:cover;height:auto}
.logo-mark svg{height:auto}

/* пунктир убран по просьбе — класс больше ничего не рисует */
.pxstrip{display:none !important}

/* ===== ЛИКБЕЗ: как это работает ===== */
.edu-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0;
  border:1px solid var(--ink);background:#fff}
.edu-card{padding:26px 24px;border-right:1px solid var(--ink);border-bottom:1px solid var(--ink)}
.edu-card:nth-child(4n){border-right:none}
.edu-card{border-bottom:none}
.edu-n{font-family:var(--px,var(--mono));font-size:1.5rem;font-weight:700;color:var(--acid);
  -webkit-text-stroke:1px var(--ink);display:block;margin-bottom:12px;line-height:1}
.edu-card h3{margin:0 0 8px;font-size:1.16rem;letter-spacing:-.02em}
.edu-card p{margin:0;color:var(--mut);font-size:.97rem}
.edu-card b{color:var(--ink)}
@media(max-width:900px){
  .edu-card{border-right:none;border-bottom:1px solid var(--ink)}
  .edu-card:last-child{border-bottom:none}
}

/* ===== ПРЕМИУМ-СЛОЙ: анимации появления ===== */
.reveal{opacity:0;transform:translateY(22px);
  transition:opacity .6s ease,transform .6s cubic-bezier(.2,.75,.25,1)}
.reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1 !important;transform:none !important}}

/* лёгкая пиксельная сетка на фоне первого экрана */
.hero{position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;z-index:0;pointer-events:none;
  background-image:linear-gradient(rgba(11,15,10,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(11,15,10,.035) 1px,transparent 1px);
  background-size:34px 34px;
  -webkit-mask-image:radial-gradient(120% 90% at 80% 20%,#000 30%,transparent 75%);
          mask-image:radial-gradient(120% 90% at 80% 20%,#000 30%,transparent 75%)}
.hero .wrap{position:relative;z-index:1}

/* визуал — пиксельная стрелка роста, справа сверху */
.hero-vis{position:absolute;top:6%;right:2%;width:min(26vw,300px);z-index:0;
  filter:drop-shadow(6px 6px 0 rgba(11,15,10,.12))}
.hero-vis .arrow{width:100%;height:auto;display:block;
  animation:floaty 5s ease-in-out infinite}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
@media(prefers-reduced-motion:reduce){.hero-vis .arrow{animation:none}}
@media(max-width:900px){.hero-vis{display:none}}

/* ===== микроанимации / воздух ===== */
.nav a{position:relative}
.nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-4px;height:2px;
  background:var(--acid);transition:right .22s ease}
.nav a:hover::after{right:0}
.nav a:hover{color:var(--ink);text-decoration:none}
.edu-card{transition:background .18s ease}
.edu-card:hover{background:var(--soft)}
.cat tbody tr td{transition:background .15s ease}
.quest-step{transition:transform .18s ease}
.quest-step:hover{transform:translateY(-3px)}
.chip,.badge{transition:transform .15s ease}
.oname a{transition:color .15s ease}
/* больше воздуха между крупными блоками */
section{padding-block:clamp(56px,7vw,104px)}
.hero{padding-top:clamp(52px,7vw,92px)}