/* ===== TRIAD PLATFORM — общий стиль (золотой мир) ===== */
:root{--gold:#E8C25A;--gold2:#F5D982;--white:#F2EDE3;--mut:#9C9484;--bg:#070707;--line:rgba(232,194,90,.25)}
*{margin:0;padding:0;box-sizing:border-box}
html{background:var(--bg)}
body{background:var(--bg);color:var(--white);font-family:'Poppins','Manrope',sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}
body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(900px 500px at 50% -5%,rgba(232,194,90,.10),transparent 60%),radial-gradient(700px 500px at 85% 60%,rgba(232,194,90,.05),transparent 60%)}
a{color:var(--gold);text-decoration:none}
::selection{background:var(--gold);color:#000}

/* topbar */
.bar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;padding:18px 5vw;border-bottom:1px solid rgba(232,194,90,.15);background:rgba(7,7,7,.85);backdrop-filter:blur(8px)}
.bar .logo{font-weight:800;letter-spacing:.22em;font-size:15px;color:var(--white)}
.bar .logo b{color:var(--gold)}
.bar .links{display:flex;gap:22px;align-items:center;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.25em}
.bar .links a{color:rgba(232,194,90,.7);transition:.2s}
.bar .links a:hover{color:var(--gold2)}
.bar .who{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--mut)}

.wrap{position:relative;z-index:1;max-width:1060px;margin:0 auto;padding:7vh 5vw 10vh}
.wrap.narrow{max-width:620px}

.eyebrow{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.4em;color:rgba(232,194,90,.6);text-transform:uppercase;margin-bottom:18px}
.eyebrow::before,.eyebrow::after{content:'——';opacity:.4;margin:0 10px}
h1.ttl{font-weight:800;font-size:clamp(30px,5vw,54px);letter-spacing:.01em;line-height:1.05}
h1.ttl em,.gold{font-style:normal;color:var(--gold)}
.sub{margin-top:14px;color:var(--mut);font-size:15px;line-height:1.6}
.mono{font-family:'JetBrains Mono',monospace}

/* цена-гриф */
.pricetag{margin:26px 0 8px;font-weight:800;font-size:clamp(48px,8vw,92px);color:var(--gold);text-shadow:0 0 40px rgba(232,194,90,.25);letter-spacing:.02em}
.priceper{font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.35em;color:var(--mut)}
.badge{display:inline-block;margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.3em;color:#0B0B0A;background:var(--gold);border-radius:6px;padding:7px 14px;font-weight:700}

/* список включений */
.incl{margin:34px 0;display:grid;gap:12px;text-align:left}
.incl .it{display:flex;gap:14px;align-items:flex-start;border:1px solid var(--line);border-radius:12px;padding:14px 18px;background:rgba(255,255,255,.02)}
.incl .it b{color:var(--gold);font-family:'JetBrains Mono',monospace}
.incl .it span{color:var(--white);font-size:14px;line-height:1.5}
.incl .it small{display:block;color:var(--mut);font-size:12px;margin-top:3px}

/* формы */
.form{margin-top:30px;display:grid;gap:14px;text-align:left}
.lbl{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.3em;color:var(--mut)}
.inp{width:100%;background:#0B0B0A;border:1px solid var(--line);border-radius:10px;color:var(--white);font-family:'JetBrains Mono',monospace;font-size:14px;padding:14px 16px;outline:none;transition:border-color .2s}
.inp:focus{border-color:var(--gold)}
.err{display:none;font-family:'JetBrains Mono',monospace;font-size:11px;letter-spacing:.1em;color:#FF6B5E;border:1px solid rgba(255,107,94,.4);border-radius:8px;padding:10px 14px}
.err.on{display:block}

/* кнопки */
.btn{display:inline-block;background:linear-gradient(180deg,var(--gold2),var(--gold));color:#0B0B0A;font-weight:800;font-size:15px;letter-spacing:.06em;border:none;border-radius:12px;padding:17px 34px;cursor:pointer;transition:transform .15s,box-shadow .3s;text-align:center;font-family:'Poppins','Manrope',sans-serif}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(232,194,90,.3)}
.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--gold)}
.btn.ghost:hover{border-color:var(--gold);box-shadow:none}
.btn.wide{width:100%}
.fine{margin-top:16px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.3em;color:rgba(232,194,90,.4)}
.switch{margin-top:22px;font-size:13px;color:var(--mut)}

/* карточки кампусов */
.cgrid{margin-top:40px;display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ccard{display:block;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:rgba(255,255,255,.02);transition:border-color .3s,transform .3s;color:var(--white)}
.ccard:hover{border-color:rgba(232,194,90,.6);transform:translateY(-4px)}
.ccard .cimg{position:relative;aspect-ratio:16/10;overflow:hidden;background:#0C0C0B;border-bottom:1px solid rgba(232,194,90,.2)}
.ccard .cimg img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;filter:saturate(.92);transition:transform .5s}
.ccard:hover .cimg img{transform:scale(1.05)}
.ccard .cnum{position:absolute;top:12px;left:12px;font-weight:800;font-size:13px;color:var(--gold);background:rgba(0,0,0,.6);border:1px solid rgba(232,194,90,.45);border-radius:8px;padding:4px 10px}
.ccard .cbody{padding:18px 20px 20px}
.ccard h3{font-weight:700;font-size:15px}
.ccard h3 b{color:var(--gold)}
.ccard p{margin-top:6px;font-size:12.5px;color:var(--mut);line-height:1.5}
.pbar{margin-top:14px;height:4px;border-radius:2px;background:rgba(232,194,90,.12);overflow:hidden}
.pbar i{display:block;height:100%;background:var(--gold);border-radius:2px}
.pct{margin-top:8px;font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.25em;color:var(--mut)}

/* список уроков */
.llist{margin-top:34px;display:grid;gap:14px}
.less{display:flex;align-items:center;gap:18px;border:1px solid var(--line);border-radius:14px;padding:18px 22px;background:rgba(255,255,255,.02);color:var(--white);transition:border-color .25s,transform .25s}
.less:hover{border-color:rgba(232,194,90,.55);transform:translateX(4px)}
.less .num{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--gold);letter-spacing:.1em;min-width:34px}
.less .nm{flex:1}
.less .nm b{display:block;font-weight:700;font-size:15px}
.less .nm small{color:var(--mut);font-size:12px}
.less .dur{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.2em;color:var(--mut)}
.less .done{font-family:'JetBrains Mono',monospace;font-size:11px;color:#0B0B0A;background:var(--gold);border-radius:6px;padding:4px 10px;font-weight:700}
.less .lock{font-family:'JetBrains Mono',monospace;font-size:11px;color:rgba(232,194,90,.4)}

/* страница урока */
.vslot{margin-top:34px;position:relative;border:1px solid var(--line);border-radius:18px;overflow:hidden;background:#0B0B0A;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:14px}
.vslot iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.vslot .vplay{width:74px;height:74px;border-radius:50%;border:2px solid var(--gold);display:flex;align-items:center;justify-content:center}
.vslot .vplay::after{content:'';border-left:20px solid var(--gold);border-top:12px solid transparent;border-bottom:12px solid transparent;margin-left:5px}
.vslot .vcap{font-family:'JetBrains Mono',monospace;font-size:10px;letter-spacing:.3em;color:var(--mut)}
.ltext{margin-top:34px;color:#CFC8B8;font-size:15px;line-height:1.75;display:grid;gap:16px}
.ltext b{color:var(--white)}
.lnav{margin-top:40px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap}

@media(max-width:860px){.cgrid{grid-template-columns:1fr}.bar .who{display:none}}