:root{--navy:#1B2A57;--ink:#1B2A57;--muted:#4A5878;--soft:#6B7894;--line:#DCE2EC;--line-soft:#EEF1F6;--orange:#F5821F;--orange-dark:#C9620F;--orange-tint:#FFF4EA;--green:#1E7A4C;--green-tint:#E6F4EC;--field:#A9B4C8;--night:#0E1630;--panel:#F6F8FB}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font-family:Inter,Arial,sans-serif;font-size:16px;line-height:1.5;display:flex;flex-direction:column;min-height:100vh}
body>main,body>section.theatre+main{flex:1 0 auto}
a{color:var(--navy)}a:hover{color:var(--orange-dark)}
img{display:block;max-width:100%}
h1{margin:0;font-size:40px;line-height:1.12;font-weight:600;letter-spacing:-1px}
h2,.h2{margin:0 0 14px;font-size:22px;font-weight:600;letter-spacing:-.3px}
h1.h2{font-size:28px;letter-spacing:-.5px}
.h3{font-size:20px;font-weight:600;line-height:1.3}
.h4{font-size:16px;font-weight:600;line-height:1.35}
.muted{color:var(--muted)}.small{font-size:13px}.center{text-align:center}
.lead{font-size:18px;color:var(--muted);margin:0}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
.row{display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.row-left{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.stack{display:flex;flex-direction:column;gap:16px}.stack-s{display:flex;flex-direction:column;gap:10px}.stack-xs{display:flex;flex-direction:column;gap:4px}
.grow{flex:1 1 auto;min-width:0}
.rule{width:46px;height:3px;background:var(--orange);margin-bottom:18px}.rule.centered{margin:0 auto 18px}
.site-header{border-bottom:1px solid var(--line);padding:18px 0;background:#fff}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none}.brand img{height:30px;width:auto}.brand span{font-size:17px;transform:translateY(2px);color:var(--navy)}
.who{font-size:14px;color:var(--muted)}
.site-footer{border-top:1px solid var(--line);padding:24px 0;font-size:14px;color:var(--muted);margin-top:auto}
.page{padding-top:40px;padding-bottom:72px;display:flex;flex-direction:column;gap:44px}
.page.tight{padding-top:24px;gap:24px}
.narrow{max-width:560px;margin:0 auto;padding:48px 24px 72px;width:100%;display:flex;flex-direction:column;gap:20px}
.narrow.wide-ish{max-width:820px}
.crumbs{font-size:14px;margin-bottom:-28px}
.error{margin:0;padding:12px 16px;border-radius:8px;background:#FDECEC;color:#8A1C1C;font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:8px;border:0;font:inherit;font-weight:600;font-size:16px;cursor:pointer;text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--navy);color:#fff}.btn.primary:hover{background:#24376f;color:#fff}
.btn.accent{background:var(--orange);color:var(--navy);font-weight:700}
.btn.outline{background:#fff;color:var(--navy);border:1px solid var(--navy);min-height:46px}
.btn.big{min-height:52px;font-size:17px}
:focus-visible{outline:3px solid var(--orange);outline-offset:2px}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:15px;font-weight:600}
input{min-height:50px;padding:0 16px;font:inherit;font-size:17px;color:var(--ink);border:1px solid var(--field);border-radius:8px;background:#fff;width:100%}
input.short{max-width:260px}
.pair{display:flex;flex-wrap:wrap;gap:12px}.pair .field{flex:1 1 200px}
.hint{font-size:14px;color:var(--muted)}
.serial-result{font-size:15px;font-weight:600;min-height:0}.serial-result.found{color:var(--green)}.serial-result.missing{color:var(--orange-dark)}
.search{display:flex;gap:8px;align-items:center;border:1px solid var(--field);border-radius:12px;padding:6px 6px 6px 16px;max-width:760px;color:var(--muted)}
.search input{border:0;min-height:48px;padding:0 4px}.search input:focus-visible{outline:none}.search:focus-within{outline:3px solid var(--orange);outline-offset:2px}
.intro{display:flex;flex-direction:column;gap:16px}
.card{border:1px solid var(--line);border-radius:14px;text-decoration:none;color:var(--ink);background:#fff;overflow:hidden}
a.card:hover{border-color:var(--field);color:var(--ink)}
.continue{display:flex;flex-wrap:wrap;gap:24px;align-items:center;padding:18px}
.continue img{width:220px;height:124px;object-fit:cover;border-radius:8px}
.eyebrow{font-size:14px;font-weight:600;color:var(--muted)}.eyebrow.tag{font-size:13px;color:var(--orange-dark);text-transform:uppercase;letter-spacing:.3px}
.bar{display:block;height:8px;background:var(--line-soft);border-radius:4px;overflow:hidden;max-width:460px;width:100%}.bar>span{display:block;height:100%;background:var(--orange)}
.grid{display:grid;gap:18px}.grid.courses{grid-template-columns:repeat(auto-fill,minmax(300px,1fr))}.grid.topics{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.grid.next{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:14px}
.course img{width:100%;height:168px;object-fit:cover;object-position:top}.pad{padding:18px}
.topic{display:flex;align-items:center;gap:14px;padding:16px}.topic .icon{flex:0 0 40px;height:40px;border-radius:10px;background:var(--orange-tint);color:var(--orange-dark);display:flex;align-items:center;justify-content:center}
.lessons{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.lesson-row{display:flex;flex-wrap:wrap;gap:18px;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.lesson-row img{width:152px;height:86px;object-fit:cover;border-radius:6px;border:1px solid var(--line)}
.lesson-row .num{width:28px;color:var(--soft);font-variant-numeric:tabular-nums}
.lesson-row .end{align-items:flex-end;flex:0 0 120px;font-size:14px}
.status{font-weight:600;color:var(--soft);display:inline-flex;gap:4px;align-items:center}.status.ok{color:var(--green)}.status.mid{color:var(--orange-dark)}
.bar.wide{max-width:520px}
.people{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:16px;margin-top:8px}
.people form{display:flex}
.person{display:flex;flex-direction:column;align-items:center;gap:10px;padding:24px 16px;border:1px solid var(--line);border-radius:14px;background:#fff;font:inherit;color:var(--ink);cursor:pointer;width:100%;text-decoration:none}
.person:hover{border-color:var(--field)}.person.new{border-style:dashed;border-color:var(--field)}
.avatar{width:72px;height:72px;border-radius:50%;background:var(--orange-tint);display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:700;color:var(--navy)}
.person.new .avatar{background:#fff;border:2px dashed var(--field)}
.person .name{font-size:18px;font-weight:600}.person .meta{font-size:14px;color:var(--muted)}
.theatre{background:var(--night);color:#fff;padding:16px 0 24px}
.theatre .back{color:#fff;text-decoration:none;font-weight:600;display:inline-flex;gap:8px;align-items:center}
.muted-light{color:#C9D3E6;font-size:14px}
.player{position:relative;aspect-ratio:16/9;border-radius:10px;overflow:hidden;background:#000;max-height:72vh;margin:0 auto;width:100%}
.player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.title-row{align-items:center}
.feedback{background:var(--panel);border-radius:12px;padding:16px 20px;display:flex;flex-direction:column;gap:12px}
.thumb{min-width:52px;min-height:44px;border-radius:8px;border:1px solid var(--field);background:#fff;color:var(--navy);display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.thumb[data-vote=up][aria-pressed=true]{background:var(--green-tint);border-color:var(--green)}
.thumb[data-vote=down][aria-pressed=true]{background:var(--orange-tint);border-color:var(--orange-dark)}
.thanks{color:var(--green);font-weight:600}
.why{display:flex;flex-wrap:wrap;gap:10px;align-items:flex-end}.why .field{flex:1 1 380px}.why label{font-size:14px;font-weight:500;color:var(--muted)}.why input{min-height:46px;font-size:15px}
[hidden]{display:none!important}
.transcript summary{cursor:pointer;font-weight:600;min-height:44px;display:flex;align-items:center}
.transcript ol{list-style:none;margin:8px 0 0;padding:0;border-top:1px solid var(--line)}
.transcript a{display:flex;gap:16px;padding:10px 4px;border-bottom:1px solid var(--line-soft);text-decoration:none;color:var(--ink);font-size:15px}
.transcript .t{flex:0 0 40px;color:var(--orange-dark);font-weight:600;font-variant-numeric:tabular-nums}
.next-card{display:flex;gap:12px;align-items:center;padding:10px}.next-card img{width:128px;height:72px;object-fit:cover;border-radius:6px}
.prose p{margin:0;font-size:17px;line-height:1.65;color:var(--muted)}.prose h2{margin:12px 0 -8px}
@media (max-width:640px){h1{font-size:32px}.continue img{width:100%;height:auto}.lesson-row img{width:120px;height:68px}.lesson-row .end{flex:1 1 100%;flex-direction:row;justify-content:space-between}.title-row form,.title-row .btn{width:100%}}
.people form .person,.people .person{height:100%}
.labels{display:flex;flex-wrap:wrap;gap:6px}
.pill{font-size:12px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--line-soft);color:var(--navy)}
.pill.context{background:var(--orange-tint);color:#8A4A0E}
.quick{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.quick a{display:flex;gap:16px;align-items:center;padding:14px 4px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
/* Search suggestions */
.search{position:relative}
.suggestions{position:absolute;left:0;right:0;top:calc(100% + 6px);z-index:10;list-style:none;margin:0;padding:6px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 24px rgba(14,22,48,.12)}
.suggestions a{display:flex;flex-direction:column;gap:2px;padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--ink)}
.suggestions [aria-selected=true] a,.suggestions a:hover{background:var(--panel)}
.s-title{font-weight:600}.s-meta{font-size:13px;color:var(--muted)}
/* Popular */
.grid.popular{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}
.pop .thumb-wrap{position:relative;display:block}.pop img{width:100%;aspect-ratio:16/9;height:auto;object-fit:cover}
.duration{position:absolute;right:8px;bottom:8px;background:rgba(14,22,48,.85);color:#fff;font-size:12px;font-weight:600;padding:2px 6px;border-radius:4px}
.pad-s{padding:12px 14px}
/* First visit */
.continue.start{background:var(--orange-tint);border-color:#F6D3B1}
/* Back to home */
.crumbs{margin-bottom:-20px}.back-btn{min-height:44px;padding:0 16px;font-size:15px;border-color:var(--field)}
/* Lesson rows stay one row on wide screens, whatever the text length */
.lesson-row{flex-wrap:nowrap}.lesson-row .grow{flex:1 1 0}
@media (max-width:640px){.lesson-row{flex-wrap:wrap}.lesson-row .grow{flex:1 1 100%}}
.continue .grow{flex:1 1 300px}