/* THE BIOHACK CODE – Brand Guidelines: Deep Space Navy, Electric Cyan, Biohack Gold.
   Schriften lokal gehostet (keine Verbindung zu Google): Montserrat, Inter, Playfair Display. */
@font-face{font-family:Montserrat;font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/montserrat-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:Montserrat;font-weight:700;font-style:normal;font-display:swap;src:url(/fonts/montserrat-latin-700-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:400;font-style:normal;font-display:swap;src:url(/fonts/inter-latin-400-normal.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:400;font-style:italic;font-display:swap;src:url(/fonts/inter-latin-400-italic.woff2) format("woff2")}
@font-face{font-family:Inter;font-weight:600;font-style:normal;font-display:swap;src:url(/fonts/inter-latin-600-normal.woff2) format("woff2")}
@font-face{font-family:"Playfair Display";font-weight:400;font-style:italic;font-display:swap;src:url(/fonts/playfair-display-latin-400-italic.woff2) format("woff2")}

:root{
  --navy:#070B15;--cyan:#00D4FF;--gold:#D4AF37;--white:#FFFFFF;--grey:#A0AABF;
  --card:#0C1322;--card2:#101a2e;--line:rgba(160,170,191,.16);--ok:#00D4FF;--err:#e5484d;
  --head:Montserrat,"Segoe UI",Arial,sans-serif;--body:Inter,"Segoe UI",Arial,sans-serif;--accent:"Playfair Display",Georgia,serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;color:var(--grey);font:16px/1.7 var(--body);min-height:100vh;display:flex;flex-direction:column;
  background:var(--navy) radial-gradient(1200px 600px at 50% -200px,rgba(0,212,255,.07),transparent 70%) no-repeat}
a{color:var(--cyan)}
::selection{background:rgba(0,212,255,.3);color:var(--white)}

/* Kopf & Fuß */
.top{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line);position:sticky;top:0;background:rgba(7,11,21,.92);backdrop-filter:blur(8px);z-index:5}
.brand{display:flex;align-items:center;gap:10px;color:var(--white);text-decoration:none;font:700 13px/1 var(--head);letter-spacing:.14em;text-transform:uppercase}
.brand img{border-radius:6px}
main{width:100%;max-width:760px;margin:0 auto;padding:28px 16px 56px;flex:1}
main.wide{max-width:1100px}
footer{display:flex;flex-wrap:wrap;gap:16px;justify-content:center;align-items:center;padding:22px 16px;border-top:1px solid var(--line);font-size:13px}
footer a{color:var(--grey);text-decoration:none}
footer a:hover{color:var(--white)}
.sig{width:100%;text-align:center;font:italic 15px/1.2 var(--accent);color:var(--gold);margin:0 0 4px}

/* Typografie nach Hierarchie: H1 weiß, H2 cyan, H3 gold */
h1,h2,h3{font-family:var(--head);line-height:1.2}
h1{font-size:30px;font-weight:700;text-transform:uppercase;letter-spacing:.02em;color:var(--white);margin:4px 0 10px}
h2{font-size:18px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--cyan);margin:34px 0 12px}
h3{font-size:18px;font-weight:600;color:var(--gold);margin:30px 0 8px}
.kicker{font:700 12px/1.4 var(--head);letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin:0}
.muted{color:var(--grey)} .small{font-size:13px}
strong{color:var(--white);font-weight:600}

/* Bausteine */
.card{background:linear-gradient(180deg,var(--card2),var(--card));border:1px solid var(--line);border-radius:16px;padding:24px}
.narrow{max-width:460px;margin:24px auto}
.btn{display:inline-block;background:var(--cyan);color:var(--navy);border:0;border-radius:10px;padding:14px 22px;font:700 14px/1.2 var(--head);letter-spacing:.06em;text-transform:uppercase;text-decoration:none;cursor:pointer;margin:12px 0;text-align:center;box-shadow:0 0 24px rgba(0,212,255,.25);transition:filter .15s}
.btn:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;color:var(--grey);border:1px solid var(--line);box-shadow:none}
button.link{background:none;border:0;color:var(--grey);cursor:pointer;font:14px var(--body);padding:4px}
.top a.link{color:var(--grey);text-decoration:none;font-size:14px}
label{display:block;margin:14px 0;font-weight:600;font-size:14px;color:var(--white)}
input[type=email],select{display:block;width:100%;margin-top:6px;padding:13px 14px;border-radius:10px;border:1px solid var(--line);background:#0A1020;color:var(--white);font:16px var(--body)}
input:focus,select:focus{outline:2px solid var(--cyan);outline-offset:1px}
label.check{display:flex;gap:10px;align-items:flex-start;font-weight:400;font-size:14px;color:var(--grey)}
label.check input{margin-top:4px;width:18px;height:18px;flex:none;accent-color:var(--cyan)}
label.inline{margin:0}
.price{font:700 34px/1.2 var(--head);color:var(--white);margin:10px 0} .price .muted{font:400 13px var(--body)}
.notice{padding:12px 14px;border-radius:10px;margin:14px 0;font-size:14px;border:1px solid var(--line);color:var(--white)}
.notice.ok{border-color:rgba(0,212,255,.5);background:rgba(0,212,255,.08)} .notice.err{border-color:rgba(229,72,77,.6);background:rgba(229,72,77,.1)}
.notice.gold{border-color:rgba(212,175,55,.5);background:rgba(212,175,55,.08)}

/* Fortschritt & Lektionsliste */
.progress{display:flex;align-items:center;gap:12px;margin:14px 0;color:var(--grey);font-size:14px}
.bar{flex:1;height:8px;background:#1a2236;border-radius:99px;overflow:hidden} .bar span{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--gold))}
.lessons{list-style:none;padding:0;margin:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.lessons li>a,.lessons li>.row-locked{display:flex;gap:12px;align-items:center;padding:14px 16px;color:var(--white);text-decoration:none;border-bottom:1px solid var(--line);background:var(--card)}
.lessons li:last-child>a,.lessons li:last-child>.row-locked{border-bottom:0}
.lessons li>a:hover{background:var(--card2)}
.lessons .day{width:56px;flex:none;color:var(--gold);font:600 12px/1 var(--head);letter-spacing:.08em;text-transform:uppercase}
.lessons .t{flex:1}
.lessons .tick{width:24px;height:24px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;font-size:13px;flex:none}
.lessons li.done .tick{background:var(--cyan);color:var(--navy);border-color:var(--cyan);font-weight:900}
.lessons li.done .t{color:var(--grey)}
.lessons li.today>a{box-shadow:inset 3px 0 0 var(--cyan)}
.lessons li.locked .row-locked{color:#5d6780;cursor:default}
.lessons li.locked .day{color:#5d6780}
.lessons .when{font-size:12px;color:#5d6780;white-space:nowrap}
.lock{width:24px;height:24px;flex:none;display:grid;place-items:center;color:#5d6780}
.lock svg{width:15px;height:15px}

.crumb{margin-bottom:12px;font-size:14px} .crumb a{color:var(--grey);text-decoration:none}
.locked-card{text-align:center;padding:40px 24px}
.locked-card .lock{margin:0 auto 12px;width:48px;height:48px;border:1px solid var(--line);border-radius:50%;color:var(--gold)}
.locked-card .lock svg{width:22px;height:22px}

/* Video (Zwei-Klick) */
.video{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#000 url(/video-poster.webp) center/cover;border:1px solid var(--line);margin:16px 0}
.video.empty{display:grid;place-items:center;background:var(--card);color:var(--grey);text-align:center;padding:16px}
.video iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt-load{position:absolute;inset:0;width:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:rgba(7,11,21,.55);border:0;color:var(--white);font:700 14px/1 var(--head);letter-spacing:.1em;text-transform:uppercase;cursor:pointer}
.yt-load .play{width:68px;height:68px;border-radius:50%;background:var(--cyan);color:var(--navy);display:grid;place-items:center;font-size:24px;padding-left:4px;box-shadow:0 0 30px rgba(0,212,255,.45)}
.yt-note{position:absolute;left:0;right:0;bottom:0;margin:0;padding:8px 12px;font-size:11px;line-height:1.4;color:#cfd5e2;background:rgba(0,0,0,.6)}
.yt-note a{color:var(--white)}

.downloads{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin:8px 0}
.downloads .kicker{width:100%}
.dl{padding:10px 14px;border:1px solid var(--line);border-radius:10px;text-decoration:none;font-size:14px;background:var(--card)}

/* Lektionstext */
.lesson{margin-top:18px}
.lesson p,.lesson li{color:var(--grey)}
.lesson h3:first-child{margin-top:8px}
.lesson ol,.lesson ul{padding-left:22px}
.lesson li::marker{color:var(--cyan)}
.lesson blockquote{margin:20px 0;padding:4px 0 4px 18px;border-left:2px solid var(--gold);font:italic 18px/1.5 var(--accent);color:var(--white)}
.lesson table{border-collapse:collapse;width:100%;font-size:14px;display:block;overflow-x:auto;margin:16px 0}
.lesson td,.lesson th{border:1px solid var(--line);padding:8px;text-align:left}
.lesson th{color:var(--white);font-weight:600;background:var(--card)}
.lesson a{word-break:break-word}
.lesson .sources{margin-top:36px;padding-top:12px;border-top:1px solid var(--line);font-size:13px}
.lesson .sources h3{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--grey)}
.lesson .sources li,.lesson .sources p{color:#7d879c}

.pager{display:flex;justify-content:space-between;gap:12px;margin-top:32px;padding-top:16px;border-top:1px solid var(--line);font-size:14px}
.pager a{text-decoration:none;font:600 13px/1.4 var(--head);letter-spacing:.06em;text-transform:uppercase}
.pager .soon{color:#5d6780;font-size:13px}

.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.course{text-decoration:none;color:var(--grey)}
.course h2{color:var(--white);margin-top:6px}
.intro{margin:20px 0}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center} .row input,.row select{flex:1;min-width:200px;margin:0}
.table{overflow-x:auto} table{border-collapse:collapse;width:100%;font-size:14px} th,td{text-align:left;padding:8px;border-bottom:1px solid var(--line)} tr.revoked td{opacity:.5}
@media (max-width:480px){h1{font-size:24px}.card{padding:18px}.lessons .when{display:none}}