.gtk,.gtk * { box-sizing:border-box }
.gtk { --r:#e10600;--amber:#ff9f1c;--line:#30343b;color:#fff;background:#050607;font-family:Arial,Helvetica,sans-serif;overflow:hidden }
.gtk-wrap { width:min(1180px,calc(100% - 44px));margin:auto }
.gtk-hero { position:relative;padding:110px 0 90px;border-bottom:1px solid rgba(225,6,0,.35);background:radial-gradient(circle at 77% 42%,rgba(225,6,0,.18),transparent 31%),#070809 }
.gtk-hero:before { content:"";position:absolute;inset:0;opacity:.14;pointer-events:none;background-image:linear-gradient(#ffffff12 1px,transparent 1px),linear-gradient(90deg,#ffffff12 1px,transparent 1px);background-size:52px 52px }
.gtk-in { position:relative;z-index:1 }
.gtk-k { display:flex;align-items:center;gap:14px;font-size:12px;font-weight:900;letter-spacing:.19em;text-transform:uppercase }
.gtk-k:before { content:"";width:34px;height:2px;background:var(--r) }
.gtk h1 { font-size:clamp(59px,8vw,110px);line-height:.84;letter-spacing:-.065em;text-transform:uppercase;margin:28px 0 }
.gtk h1 span { display:block;color:#060607;-webkit-text-stroke:2px #fff;paint-order:stroke fill }
.gtk-lead { max-width:760px;color:#bcc2cc;font-size:19px;line-height:1.7;margin:0 }
.gtk-cal { padding:80px 0 30px }
.gtk-legend { display:flex;gap:26px;flex-wrap:wrap;margin:0 0 20px;color:#9aa0ab;font-size:13px }
.gtk-legend span { display:inline-flex;align-items:center;gap:9px }
.gtk-sw { display:inline-block;width:18px;height:18px;border:1px solid #3a3f47 }
.gtk-sw.free { background:#101215 }
.gtk-sw.part { background:var(--amber);border-color:var(--amber) }
.gtk-sw.full { background:var(--r);border-color:var(--r) }
.gtk-sw.past { background:#0b0c0e;border-color:#16181c }
.gtk-readout { display:flex;align-items:center;gap:12px;min-height:30px;margin:0 0 16px;font-size:15px;font-weight:600;color:#e8eaee }
.gtk-readout i { flex:none;width:4px;height:20px;background:#3a3f47 }
.gtk-readout.is-free i { background:#fff }
.gtk-readout.is-part i { background:var(--amber) }
.gtk-readout.is-full i { background:var(--r) }
.gtk-scroller { overflow-x:auto;padding:0 4px 10px;margin:0 -4px;-webkit-overflow-scrolling:touch }
.gtk-grid { min-width:760px;display:flex;flex-direction:column;gap:4px }
.gtk-row { display:grid;grid-template-columns:92px repeat(31,minmax(21px,1fr));gap:3px;align-items:center }
.gtk-month { position:sticky;left:0;z-index:2;display:flex;align-items:baseline;gap:6px;padding-right:8px;background:#050607;font:900 17px/1 Arial,Helvetica,sans-serif;letter-spacing:-.02em;text-transform:uppercase }
.gtk-month small { font:600 11px Arial,sans-serif;color:#7b818c;letter-spacing:0 }
.gtk-dn { text-align:center;font:700 10.5px monospace;color:#6e7480 }
.gtk-d,.gtk-gap { height:28px }
.gtk-d { display:block;width:100%;min-width:0;padding:0;margin:0;border:1px solid #22262c;border-radius:0;background:transparent;color:inherit;font:inherit;line-height:1 }
.gtk-d.we { background:#101215;border-color:#2c3139 }
.gtk-d.free { cursor:pointer;transition:background .12s }
.gtk-d.free:hover,.gtk-d.free:focus-visible { background:#fff;border-color:#fff }
.gtk-d.part { background:var(--amber);border-color:var(--amber);cursor:pointer }
.gtk-d.part:hover { outline:3px solid #fff;outline-offset:1px;position:relative;z-index:3 }
.gtk-d.full { background:var(--r);border-color:var(--r);cursor:not-allowed;box-shadow:0 0 14px rgba(225,6,0,.3) }
.gtk-d.past { background:#0a0b0d;border-color:transparent;cursor:default }
.gtk-d.today { box-shadow:inset 0 0 0 2px #fff }
.gtk-d.sel { outline:3px solid #fff;outline-offset:1px;background:#fff;border-color:#fff }
.gtk-d:focus-visible { outline:3px solid #fff;outline-offset:2px;position:relative;z-index:3 }
@media(prefers-reduced-motion:no-preference) {
  .gtk-d.part,.gtk-d.full { animation:gtkFill .45s ease-out both;animation-delay:calc(var(--i)*1.5ms + 250ms) }
  @keyframes gtkFill { from{opacity:0;transform:scaleY(.2)}to{opacity:1;transform:none} }
}
.gtk-hint { display:none;margin:10px 0 0;color:#7b818c;font-size:12.5px }
@media(max-width:860px) {
  .gtk-hint { display:block }
}
.gtk-err { padding:16px 18px;border-left:4px solid var(--r);background:#14161a;color:#e8eaee;font-size:15px }
.gtk-formsec { padding:40px 0 115px }
.gtk-form { max-width:760px;padding:38px;border:1px solid #292d34;background:linear-gradient(140deg,#0d0f12,#08090b) }
.gtk-form h2 { margin:0 0 10px;font-size:clamp(34px,4vw,48px);line-height:.96;letter-spacing:-.047em;text-transform:uppercase }
.gtk-formlead { margin:0 0 24px;color:#b9bec8;font-size:15px;line-height:1.7 }
.gtk-formlead a { color:#fff }
.gtk-chosen { margin:0 0 26px;padding:6px 0 6px 14px;border-left:4px solid var(--r);color:#b9bec8;font-size:15px;min-height:36px }
.gtk-chosen strong { color:#fff }
.gtk-frow { display:grid;grid-template-columns:1fr 1fr;gap:22px }
.gtk-field { margin-bottom:22px;min-width:0 }
.gtk-field label { display:block;margin-bottom:8px;color:#e8e8eb;font-size:12.5px;font-weight:700;letter-spacing:.04em }
.gtk-field label i { color:#ff2b22;font-style:normal }
.gtk-field input,.gtk-field textarea { display:block;width:100%;min-height:50px;padding:12px 14px;background:#08080a;border:1px solid #38383f;border-radius:0;color:#fff;font:400 15px Arial,Helvetica,sans-serif;box-shadow:none;transition:.2s;color-scheme:dark }
.gtk-field textarea { min-height:120px;resize:vertical }
.gtk-field input:focus,.gtk-field textarea:focus { outline:none;border-color:var(--r);box-shadow:0 0 0 1px var(--r),0 0 25px rgba(225,6,0,.11) }
.gtk-hp { position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden }
.gtk-form button { min-height:52px;padding:14px 28px;background:var(--r);border:1px solid var(--r);border-radius:0;color:#fff;font:800 12.5px Arial,Helvetica,sans-serif;letter-spacing:.07em;text-transform:uppercase;cursor:pointer;transition:.25s }
.gtk-form button:hover { background:#ff2119;transform:translateY(-2px);box-shadow:0 12px 35px rgba(225,6,0,.25) }
.gtk-form button:disabled { opacity:.6;cursor:wait;transform:none;box-shadow:none }
.gtk-sent { margin-top:18px;min-height:22px;color:#b9bec8;font-size:15px }
.gtk-sent.ok { color:#c9f7df }
.gtk-sent.err { color:#ffb8b2 }
@media(max-width:700px) {
  .gtk-frow { grid-template-columns:1fr;gap:0 }
  .gtk-form { padding:24px 18px }
  .gtk-hero { padding:80px 0 64px }
}

/* Anmelde-Links */
.gtk-readlink { margin-left:6px;color:#fff;text-decoration:underline;text-decoration-color:var(--r);text-underline-offset:3px;white-space:nowrap }
.gtk-readlink:hover { color:var(--r) }
.gtk-reg { margin-top:70px;padding-top:44px;border-top:1px solid #1e2025 }
.gtk-reg h2 { margin:0 0 8px;font-size:clamp(30px,4vw,46px);letter-spacing:-.05em;text-transform:uppercase }
.gtk-reg>p { margin:0 0 26px;color:#9aa0ab;font-size:15px }
.gtk-reglist { list-style:none;margin:0;padding:0;display:grid;gap:12px }
.gtk-reglist li { display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;padding:20px 24px;background:#0b0d10;border:1px solid #1b1e24;border-left:3px solid var(--r) }
.gtk-reglist .info { display:flex;flex-direction:column;gap:6px;min-width:0 }
.gtk-reglist .d { color:var(--r);font:800 11px/1 Arial,sans-serif;letter-spacing:.15em;text-transform:uppercase }
.gtk-reglist b { font-size:19px;letter-spacing:-.02em }
.gtk-reglist em { font-style:normal;color:#9aa0ab;font-size:14px }
.gtk-regbtn { display:inline-flex;gap:8px;align-items:center;padding:13px 20px;background:var(--r);color:#fff;text-decoration:none;font:800 12px/1 Arial,sans-serif;letter-spacing:.08em;text-transform:uppercase;transition:transform .2s,box-shadow .25s }
.gtk-regbtn:hover { transform:translateY(-2px);box-shadow:0 10px 28px rgba(225,6,0,.3) }
@media (max-width:560px) { .gtk-reglist li { padding:18px } .gtk-regbtn { width:100%;justify-content:center } }

/* Zähler: geplante Veranstaltungen */
.gtk-count{display:flex;align-items:center;gap:26px;margin-top:44px;padding:26px 30px;background:linear-gradient(145deg,#111113,#09090a);border:1px solid #303036;border-left:3px solid #e10600}
.gtk-count-n{font-size:clamp(3.4rem,8vw,5.6rem);line-height:.9;font-weight:900;letter-spacing:-.06em;color:#fff;min-width:1.2ch;text-align:center;font-variant-numeric:tabular-nums}
.gtk-count-t{display:flex;flex-direction:column;gap:8px;min-width:0}
.gtk-count-t b{font-size:12px;font-weight:800;letter-spacing:.18em;text-transform:uppercase;color:#dedee2}
.gtk-count-y{display:flex;flex-wrap:wrap;gap:8px}
.gtk-count-y em{font-style:normal;padding:5px 12px;border:1px solid #343840;color:#b7bcc6;font-size:14px}
.gtk-count-y strong{color:#fff}
.gtk-count-t small{color:#8d939e;font-size:.95rem}
@media(max-width:600px){.gtk-count{gap:18px;padding:20px 18px}}