/* ===== Farben (DHBW-nah: Bordeaux + Gold) ===== */
:root{
  --bord:#123a7a; --bord2:#1f5bb5; --gold:#9D8657; --gold-l:#c9b07a;
  --ink:#1f1c20; --ink2:#4F4C50; --mute:#7a767b;
  --bg:#f3f5f9; --card:#ffffff; --line:#dde3ec; --chip:#edf1f7;
  --ok:#2f7d4f; --shadow:0 1px 2px rgba(20,30,50,.06),0 8px 24px rgba(20,30,50,.07);
}
@media (prefers-color-scheme:dark){
  :root{ --ink:#f1ece6; --ink2:#cfc7cc; --mute:#9c959a; --bg:#10141c; --card:#19202b;
         --line:#2c3646; --chip:#232c3a; --gold:#c9b07a; --shadow:0 1px 2px rgba(0,0,0,.4),0 8px 24px rgba(0,0,0,.35); }
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);
  font:16px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}
a{color:inherit}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}

/* ===== Navigation ===== */
.top{position:sticky;top:0;z-index:20;background:rgba(18,58,122,.96);backdrop-filter:saturate(1.4) blur(8px);color:#fff}
.top .wrap{display:flex;align-items:center;gap:18px;height:56px}
.brand{font-weight:700;letter-spacing:.2px;white-space:nowrap;text-decoration:none}
.brand span{color:var(--gold-l)}
.nav{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;margin-left:auto}
.nav::-webkit-scrollbar{display:none}
.nav a{padding:7px 12px;border-radius:999px;text-decoration:none;font-size:14px;white-space:nowrap;color:#e3ecfa}
.nav a:hover{background:rgba(255,255,255,.12)}
.nav a.on{background:#fff;color:var(--bord);font-weight:600}

/* ===== Hero ===== */
.hero{position:relative;overflow:hidden;color:#fff;
  background:radial-gradient(1200px 400px at 85% -10%,rgba(201,176,122,.35),transparent 60%),
             linear-gradient(135deg,#0a2350 0%,#123a7a 45%,#1f5bb5 100%)}
.hero .wrap{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center;padding-top:44px;padding-bottom:44px}
.kicker{display:inline-block;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-l);font-weight:600}
.hero h1{font-size:clamp(34px,5vw,56px);line-height:1.05;margin:.25em 0 .3em;font-weight:800;letter-spacing:-.02em}
.hero p.lead{font-size:18px;color:#d6e3f7;max-width:34em;margin:0 0 22px}
.cta{display:flex;flex-wrap:wrap;gap:10px}
.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:12px;text-decoration:none;font-weight:600;font-size:15px;transition:transform .15s,background .15s}
.btn:hover{transform:translateY(-1px)}
.btn.pri{background:#fff;color:var(--bord)}
.btn.sec{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.25)}
.btn svg{width:18px;height:18px}
.hero-art{width:100%;max-width:420px;justify-self:end}
.hero-art .vec{stroke-dasharray:260;stroke-dashoffset:260;animation:draw 1.6s .3s ease-out forwards}
.hero-art .lab{opacity:0;animation:fade .6s 1.7s forwards}
@keyframes draw{to{stroke-dashoffset:0}}
@keyframes fade{to{opacity:1}}
@media (prefers-reduced-motion:reduce){.hero-art .vec{animation:none;stroke-dashoffset:0}.hero-art .lab{animation:none;opacity:1}}

/* ===== Layout ===== */
main .wrap{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:28px;padding-top:32px;padding-bottom:48px}
h2{font-size:22px;margin:0 0 14px;display:flex;align-items:center;gap:10px}
h2 .n{font-size:12px;font-weight:700;color:var(--gold);background:var(--chip);border-radius:999px;padding:2px 9px}
section+section{margin-top:36px}

/* Themenblöcke */
.topic{margin:22px 0 10px;font-size:13px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--gold)}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:12px}
.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:14px 16px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;gap:10px;transition:transform .15s,border-color .15s}
.card:hover{transform:translateY(-2px);border-color:var(--gold-l)}
.card .t{display:flex;align-items:baseline;gap:10px;font-weight:650}
.card .t .no{font:600 12px/1 ui-monospace,Menlo,Consolas,monospace;color:var(--mute)}
.chips{display:flex;flex-wrap:wrap;gap:6px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:13px;padding:5px 10px;border-radius:999px;text-decoration:none;
  background:var(--chip);color:var(--ink2);border:1px solid transparent}
.chip:hover{border-color:var(--gold);color:var(--ink)}
.chip.a{background:var(--bord);color:#fff}
.chip.a:hover{background:var(--bord2);border-color:transparent}
.chip svg{width:14px;height:14px}
.tag{font-size:11px;font-weight:600;color:var(--gold);border:1px solid var(--line);border-radius:6px;padding:1px 6px;margin-left:auto}

/* Seitenleiste */
aside{display:flex;flex-direction:column;gap:16px}
.box{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px 18px;box-shadow:var(--shadow)}
.box h3{margin:0 0 10px;font-size:15px;display:flex;align-items:center;gap:8px}
.box h3 svg{width:18px;height:18px;color:var(--gold)}
.quiz{display:grid;gap:8px}
.quiz a{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:10px;text-decoration:none;background:var(--chip);font-size:14px}
.quiz a:hover{background:var(--bord);color:#fff}
.quiz a:hover .mc{background:#fff;color:var(--bord)}
.quiz .mc{margin-left:auto;font-size:11px;font-weight:700;background:var(--gold);color:#fff;border-radius:999px;padding:2px 8px}
.list{list-style:none;margin:0;padding:0}
.list li+li{border-top:1px dashed var(--line)}
.list a{display:flex;align-items:center;gap:10px;padding:8px 0;text-decoration:none;font-size:14px}
.list a:hover{color:var(--bord2)}
.list svg{width:16px;height:16px;flex:none;color:var(--gold)}
.sticky{position:sticky;top:76px;display:flex;flex-direction:column;gap:16px}

footer{border-top:1px solid var(--line);color:var(--mute);font-size:14px}
footer .wrap{display:flex;justify-content:space-between;gap:12px;padding-top:18px;padding-bottom:26px;flex-wrap:wrap}
footer a{color:var(--mute)}

@media (max-width:900px){
  .hero .wrap{grid-template-columns:1fr}
  .hero-art{display:none}
  main .wrap{grid-template-columns:1fr}
  .sticky{position:static}
}
@media (max-width:520px){
  .wrap{padding:0 16px}
  .brand{display:none}
}

/* ===== Ergänzungen für alle Seiten ===== */
.sub{font-size:14px;color:var(--mute);margin:-6px 0 12px}
.card .t .lbl{flex:1}
.quiz .row{display:flex;align-items:center;gap:8px;padding:8px 10px 8px 12px;border-radius:10px;background:var(--chip);font-size:14px}
.quiz .row .q{flex:1;min-width:0}
.quiz .row a{display:inline-flex;padding:0;background:none}
.quiz .row a:hover{background:none;color:inherit}
.quiz .row a.qb{display:inline-flex;padding:3px 9px}
.qb{font-size:11px;font-weight:700;border-radius:999px;padding:3px 9px;text-decoration:none;white-space:nowrap}
.quiz .row a.qmc{background:var(--bord);color:#fff}
.quiz .row a.qmc:hover{background:var(--bord2);color:#fff}
.quiz .row a.qof{background:var(--gold);color:#fff}
.quiz .row a.qof:hover{filter:brightness(1.1);color:#fff}
.quiz .row a.qpdf{background:var(--card);color:var(--ink2);border:1px solid var(--line)}
.quiz .row a.qpdf:hover{border-color:var(--gold);color:var(--ink)}
.qnote{font-size:13px;color:var(--mute);margin:0 0 8px}
.track{padding-top:8px}
.track + .track{border-top:1px solid var(--line);margin-top:8px}
.track-h{display:flex;align-items:center;gap:14px;margin:26px 0 4px}
.track-h .badge{font:700 12px/1 system-ui;background:var(--bord);color:#fff;border-radius:8px;padding:6px 9px}
.track-h h2{margin:0;font-size:26px}
.boxgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:16px;margin-top:16px}
.jump{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}

/* Startseite */
.home-hero .wrap{grid-template-columns:1.2fr .8fr}
.portrait{justify-self:end;display:flex;flex-direction:column;align-items:center;gap:12px}
.portrait img{width:253px;max-width:100%;border-radius:20px;background:rgba(255,255,255,.08);box-shadow:0 20px 50px rgba(0,0,0,.25)}
.portrait a:has(img){display:block;border-radius:20px;transition:transform .15s}
.portrait a:has(img):hover{transform:scale(1.02)}
.portrait .who{font-size:14px;color:#d6e3f7;text-align:center}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px}
.tile{position:relative;display:flex;flex-direction:column;gap:6px;padding:18px 18px 16px;border-radius:16px;background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);text-decoration:none;transition:transform .15s,border-color .15s;overflow:hidden}
.tile:hover{transform:translateY(-3px);border-color:var(--bord2)}
.tile .ic{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;background:var(--chip);color:var(--bord2);font:700 18px/1 system-ui}
.tile b{font-size:17px}
.tile span{font-size:14px;color:var(--mute)}
.tile .go{position:absolute;right:16px;top:18px;color:var(--gold);font-weight:700}
.counter{font-variant-numeric:tabular-nums}

/* Reaktionstest (Messtechnik) */
.rt-box p{margin:.2em 0}
.rt-box button{font:600 15px system-ui;border:0;border-radius:12px;padding:12px 18px;cursor:pointer;margin:6px 6px 6px 0}
.rt-box button p{margin:0;font:inherit}
#button_name_speichern,#button_start{background:var(--bord);color:#fff}
#button_laeuft{background:#c0392b;color:#fff;min-width:220px;min-height:90px}
#button_stopp{background:#2f7d4f;color:#fff;min-width:220px;min-height:90px}
#button_reset,#button_hide_data,#button_show_data{background:var(--chip);color:var(--ink)}
#nameeingabe{font:15px system-ui;padding:11px 12px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--ink)}
.rt-box table{border-collapse:collapse;width:100%;font-size:14px;margin:8px 0 16px}
.rt-box th,.rt-box td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left}
.rt-box th{color:var(--mute);font-weight:600}
.rt-box .ueberschrift,.rt-box .ueberschrift_2{font-weight:700;margin:14px 0 6px}
.rt-box br{display:none}
@media (max-width:900px){.home-hero .wrap{grid-template-columns:1fr}.portrait{justify-self:start;flex-direction:row}.portrait img{width:138px}}

.boxgrid.q{grid-template-columns:repeat(auto-fit,minmax(min(100%,440px),1fr))}
.quiz .row{flex-wrap:wrap}

/* ===== Reaktionstest ===== */
.rt-box #rt-name{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:6px 0}
.rt-box #rt-name[hidden]{display:none}
.rt-info{font-weight:600;color:var(--bord2);min-height:1.4em;margin:6px 0}
.rt-sub{font-size:13px;color:var(--mute)}
.rt-box tr.rt-me td{background:rgba(201,176,122,.28);font-weight:700}
#button_laeuft,#button_stopp{touch-action:manipulation;user-select:none;-webkit-user-select:none;width:100%;max-width:420px;min-height:120px;font-size:22px}