/* unikin GmbH – Stylesheet. Keine externen Ressourcen (Fonts, CDNs), damit
   keine Daten an Dritte fließen. Systemschriften, Dark-first Design. */

:root {
  --bg: #0b0f14;
  --bg-2: #10161e;
  --bg-3: #161e28;
  --line: #22303f;
  --text: #e6edf3;
  --text-2: #9fb0c0;
  --text-3: #6b7d8f;
  --accent: #35d0ba;
  --accent-2: #7aa2ff;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --radius: 14px;
  --maxw: 1140px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fa;
    --bg-2: #ffffff;
    --bg-3: #eef2f6;
    --line: #d9e1ea;
    --text: #0f1720;
    --text-2: #3d4c5c;
    --text-3: #6b7d8f;
    --accent: #0e9f8a;
    --accent-2: #3b62d9;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { animation: none !important; transition: none !important; } }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

a { color: var(--accent-2); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 4px; }

.skip-link {
  position: absolute; left: 1rem; top: -4rem;
  background: var(--accent); color: #04110f; padding: .6rem 1rem;
  border-radius: 8px; font-weight: 600; z-index: 100;
}
.skip-link:focus { top: 1rem; }

.wrap { width: min(var(--maxw), 100% - 2.5rem); margin-inline: auto; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  backdrop-filter: blur(12px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--line);
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; }
.brand { display: inline-flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -.01em; font-size: 1.15rem; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: linear-gradient(135deg, var(--accent), var(--accent-2)); position: relative; flex: none; }
.brand-mark::after { content: ""; position: absolute; inset: 9px; border-radius: 4px; background: var(--bg); }
.nav { display: flex; gap: 1.4rem; align-items: center; }
.nav a { color: var(--text-2); text-decoration: none; font-size: .95rem; font-weight: 500; }
.nav a:hover { color: var(--text); }
.nav .btn { color: #04110f; }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--text); border-radius: 8px; padding: .4rem .6rem; font: inherit; }
@media (max-width: 760px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 64px; flex-direction: column; align-items: stretch; padding: 1rem 1.25rem 1.25rem; background: var(--bg-2); border-bottom: 1px solid var(--line); gap: .9rem; }
  .nav[data-open="true"] { display: flex; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .75rem 1.25rem; border-radius: 10px; font-weight: 600; text-decoration: none;
  background: var(--accent); color: #04110f; border: 1px solid transparent; cursor: pointer; font: inherit; font-weight: 600;
  transition: transform .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 8px 24px color-mix(in srgb, var(--accent) 35%, transparent); color: #04110f; }
.btn.ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--text-3); box-shadow: none; color: var(--text); }
.btn.small { padding: .5rem .9rem; font-size: .9rem; }

/* ---------- Hero ---------- */
.hero { padding: clamp(4rem, 10vw, 8rem) 0 clamp(3rem, 6vw, 5rem); position: relative; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -20% -10% auto -10%; height: 70%;
  background:
    radial-gradient(600px 300px at 20% 30%, color-mix(in srgb, var(--accent) 22%, transparent), transparent 70%),
    radial-gradient(500px 300px at 80% 20%, color-mix(in srgb, var(--accent-2) 22%, transparent), transparent 70%);
  pointer-events: none; z-index: -1;
}
.eyebrow { display: inline-flex; align-items: center; gap: .5rem; font-size: .85rem; font-weight: 600; color: var(--accent); letter-spacing: .06em; text-transform: uppercase; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 25%, transparent); }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); line-height: 1.08; letter-spacing: -.03em; margin: 1rem 0 1.2rem; max-width: 18ch; }
h1 em { font-style: normal; background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lead { font-size: clamp(1.1rem, 2vw, 1.35rem); color: var(--text-2); max-width: 58ch; margin: 0 0 2rem; }
.hero-actions { display: flex; gap: .8rem; flex-wrap: wrap; }
.hero-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1rem; margin-top: 3.5rem; }
.fact { border-left: 2px solid var(--line); padding-left: 1rem; }
.fact strong { display: block; font-size: 1.4rem; letter-spacing: -.02em; }
.fact span { color: var(--text-3); font-size: .9rem; }

/* ---------- Sections ---------- */
section { padding: clamp(3.5rem, 7vw, 6rem) 0; }
section + section { border-top: 1px solid var(--line); }
.section-head { max-width: 62ch; margin-bottom: 2.5rem; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.5rem); letter-spacing: -.025em; line-height: 1.15; margin: .6rem 0 .8rem; }
h3 { font-size: 1.15rem; margin: 0 0 .4rem; letter-spacing: -.01em; }
.section-head p { color: var(--text-2); margin: 0; font-size: 1.05rem; }

.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(270px, 1fr)); }
.card {
  background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem;
  transition: border-color .2s ease, transform .2s ease;
}
.card:hover { border-color: color-mix(in srgb, var(--accent) 45%, var(--line)); transform: translateY(-2px); }
.card p { color: var(--text-2); margin: 0; font-size: .98rem; }
.card .icon { width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; margin-bottom: 1rem; background: color-mix(in srgb, var(--accent) 14%, transparent); color: var(--accent); }
.card .icon svg { width: 22px; height: 22px; }
.tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: 1rem; }
.tag { font-size: .75rem; font-family: var(--mono); padding: .2rem .55rem; border-radius: 999px; background: var(--bg-3); color: var(--text-2); border: 1px solid var(--line); }

/* ---------- Principles ---------- */
.principles { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); counter-reset: p; }
.principle { padding: 1.4rem 1.4rem 1.4rem 3.4rem; position: relative; background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); }
.principle::before { counter-increment: p; content: counter(p, decimal-leading-zero); position: absolute; left: 1.2rem; top: 1.35rem; font-family: var(--mono); color: var(--accent); font-weight: 700; }
.principle p { margin: 0; color: var(--text-2); font-size: .95rem; }

/* ---------- Architecture ---------- */
.arch { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.arch svg { width: 100%; height: auto; display: block; }
.arch text { font-family: var(--font); fill: var(--text); font-size: 13px; }
.arch .muted { fill: var(--text-3); font-size: 11px; }
.arch .box { fill: var(--bg-3); stroke: var(--line); stroke-width: 1.2; rx: 10; }
.arch .box.hi { stroke: var(--accent); }
.arch .flow { stroke: var(--text-3); stroke-width: 1.4; fill: none; marker-end: url(#arrow); }
.arch .flow.hi { stroke: var(--accent); stroke-dasharray: 5 6; animation: dash 1.6s linear infinite; }
@keyframes dash { to { stroke-dashoffset: -22; } }

/* ---------- Timeline / Vorgehen ---------- */
.steps { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.step { padding: 1.3rem; border-radius: var(--radius); background: var(--bg-2); border: 1px solid var(--line); }
.step .n { font-family: var(--mono); font-size: .8rem; color: var(--accent); }
.step p { margin: .3rem 0 0; color: var(--text-2); font-size: .95rem; }

/* ---------- Contact ---------- */
.contact-card { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2rem; background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 12%, var(--bg-2)), color-mix(in srgb, var(--accent-2) 12%, var(--bg-2))); border: 1px solid var(--line); border-radius: var(--radius); padding: clamp(1.5rem, 4vw, 3rem); }
@media (max-width: 800px) { .contact-card { grid-template-columns: 1fr; } }
.contact-card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: .4rem 1rem; }
.contact-card dt { color: var(--text-3); font-size: .9rem; }
.contact-card dd { margin: 0; }
.contact-note { font-size: .85rem; color: var(--text-3); margin-top: 1rem; }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--line); padding: 2.5rem 0 3rem; color: var(--text-3); font-size: .9rem; }
.site-footer .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: center; }
.site-footer nav { display: flex; gap: 1.2rem; flex-wrap: wrap; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--text); }

/* ---------- Legal pages ---------- */
.legal { padding: clamp(3rem, 6vw, 5rem) 0; }
.legal .wrap { max-width: 780px; }
.legal h1 { font-size: clamp(2rem, 4vw, 2.8rem); max-width: none; }
.legal h2 { font-size: 1.4rem; margin-top: 2.4rem; }
.legal h3 { font-size: 1.1rem; margin-top: 1.6rem; }
.legal p, .legal li { color: var(--text-2); }
.legal address { font-style: normal; line-height: 1.7; }
.legal .box { background: var(--bg-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.4rem; }
.legal .stand { color: var(--text-3); font-size: .9rem; }

.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }