:root {
  --bg: #0b1220;
  --bg-2: #0f172a;
  --surface: #ffffff;
  --surface-2: #f6f7fb;
  --ink: #0e2238;
  --ink-2: #243a55;
  --muted: #5b6b80;
  --line: #e3e8f0;
  --accent: #0e6ba8;
  --accent-2: #f59e0b;
  --good: #0f766e;
  --shadow: 0 6px 18px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 24px 60px rgba(15, 23, 42, 0.18);
  --radius: 14px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 0% -10%, rgba(14,107,168,0.10), transparent 60%),
    radial-gradient(900px 500px at 100% 0%, rgba(245,158,11,0.10), transparent 60%),
    var(--surface);
  line-height: 1.55;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 1.25rem; }
.skip-link { position: absolute; left: -9999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: #fff; padding: .5rem 1rem; border-radius: 8px; }

.muted { color: var(--muted); }
.small { font-size: .9rem; }
.xsmall { font-size: .8rem; }
.mono { font-family: "JetBrains Mono", ui-monospace, monospace; }
.kbd { font-family: "JetBrains Mono", ui-monospace, monospace; background: #eef2f7; border: 1px solid var(--line); padding: .05rem .35rem; border-radius: 6px; font-size: .8rem; }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-row { display: flex; align-items: center; justify-content: space-between; padding: .9rem 0; gap: 1rem; }
.brand { display: flex; align-items: center; gap: .65rem; color: inherit; }
.brand-mark { width: 36px; height: 36px; border-radius: 10px; background: #eef4fb; display: grid; place-items: center; box-shadow: inset 0 0 0 1px var(--line); }
.brand-title { font-family: "Space Grotesk", "Inter", sans-serif; font-weight: 700; font-size: 1.05rem; letter-spacing: -0.01em; }
.brand-sub { display: block; font-size: .78rem; color: var(--muted); }
.site-nav { display: flex; gap: 1.1rem; align-items: center; flex-wrap: wrap; }
.site-nav a { color: var(--ink-2); font-weight: 500; font-size: .95rem; }
.site-nav a.ext { color: var(--muted); }

/* Hero */
.hero { padding: 3.5rem 0 2.5rem; }
.hero-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 2rem; align-items: end; }
.eyebrow {
  display: inline-block; font-family: "JetBrains Mono", ui-monospace, monospace;
  font-size: .78rem; letter-spacing: .14em; text-transform: uppercase; color: var(--accent);
  background: #eaf2fb; border: 1px solid #d6e6f5; padding: .35rem .55rem; border-radius: 999px; margin-bottom: 1rem;
}
.hero h1 { font-family: "Space Grotesk", "Inter", sans-serif; font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.05; letter-spacing: -0.02em; margin: 0 0 1rem; color: var(--ink); }
.hero h1 .accent { color: var(--accent); }
.lead { font-size: 1.05rem; color: var(--ink-2); max-width: 56ch; }
.cta-row { display: flex; gap: .65rem; flex-wrap: wrap; margin-top: 1.4rem; }
.btn {
  display: inline-flex; align-items: center; gap: .5rem; cursor: pointer;
  padding: .7rem 1.05rem; border-radius: 12px; font-weight: 600;
  font-size: .96rem; transition: transform .12s ease, box-shadow .15s ease, background .15s ease;
  border: 1px solid var(--line); background: #fff; color: var(--ink);
}
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); text-decoration: none; }
.btn:active { transform: translateY(0) scale(.98); }
.btn.primary { background: var(--ink); color: #fff; border-color: var(--ink); }
.btn.primary:hover { background: #0a1a2c; }
.btn.ghost { background: transparent; }
.hero-card {
  background: linear-gradient(180deg, #ffffff, #f7fafd);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem;
  box-shadow: var(--shadow);
}
.card-eyebrow { font-family: "JetBrains Mono", monospace; font-size: .78rem; color: var(--muted); letter-spacing: .12em; text-transform: uppercase; margin-bottom: .8rem; }
.search-row { display: flex; align-items: center; gap: .55rem; border: 1px solid var(--line); border-radius: 10px; padding: .55rem .8rem; background: #fff; }
.search-row:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(14,107,168,.12); }
.search-icon { color: var(--muted); font-size: 1rem; }
.search-row input { border: none; outline: none; flex: 1; font: inherit; color: inherit; background: transparent; }
.quick-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: .8rem; margin-top: 1rem; }
.quick-stats .stat { font-family: "Space Grotesk", "Inter", sans-serif; font-size: 1.5rem; font-weight: 700; }
.quick-stats .stat-label { font-size: .78rem; color: var(--muted); }

/* Library */
.library { padding: 2rem 0 3rem; }
.library-grid { display: grid; grid-template-columns: 240px 1fr; gap: 2rem; align-items: start; }
.filter-eyebrow { font-family: "JetBrains Mono", monospace; font-size: .78rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-bottom: .6rem; }
.categories { display: flex; flex-direction: column; gap: .35rem; }
.cat-btn { text-align: left; border: 1px solid var(--line); background: #fff; border-radius: 10px; padding: .6rem .8rem; cursor: pointer; font: inherit; color: var(--ink); display: flex; justify-content: space-between; }
.cat-btn:hover { border-color: var(--accent); }
.cat-btn.active { background: var(--ink); color: #fff; border-color: var(--ink); }
.result-head { display: flex; justify-content: space-between; align-items: end; margin-bottom: 1rem; gap: 1rem; flex-wrap: wrap; }
.result-head h2 { font-family: "Space Grotesk", sans-serif; margin: .15rem 0 0; font-size: 1.5rem; letter-spacing: -.01em; }
.link { background: none; border: none; padding: 0; color: var(--accent); cursor: pointer; font: inherit; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem; display: flex; flex-direction: column; gap: .75rem;
  transition: transform .15s ease, box-shadow .2s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); border-color: #d3deec; }
.card-head { display: flex; align-items: center; gap: .75rem; }
.card-head img { width: 44px; height: 44px; border-radius: 12px; }
.card-title { font-family: "Space Grotesk", sans-serif; font-weight: 600; font-size: 1.05rem; line-height: 1.25; letter-spacing: -.01em; }
.card-id { font-family: "JetBrains Mono", monospace; font-size: .72rem; color: var(--muted); letter-spacing: .04em; }
.card-desc { color: var(--ink-2); font-size: .92rem; }
.card-foot { display: flex; justify-content: space-between; align-items: center; gap: .5rem; }
.pill { display: inline-block; font-family: "JetBrains Mono", monospace; font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; background: #eef2f7; color: var(--ink-2); padding: .15rem .55rem; border-radius: 999px; border: 1px solid #e0e6ee; }
.pill.portfolio { background: #fff5e6; border-color: #fbe2bd; color: #92400e; }
.pill.allgemein { background: #e7f1fb; border-color: #cde1f4; color: #0e4d77; }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
.actions .mini { font-size: .8rem; padding: .35rem .6rem; border-radius: 8px; }

/* Bands */
.band { padding: 3rem 0; border-top: 1px solid var(--line); background: var(--surface-2); }
.band.alt { background: #ffffff; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 2.5rem; align-items: start; }
.two-col h2 { font-family: "Space Grotesk", sans-serif; font-size: 1.7rem; letter-spacing: -.01em; margin: 0 0 .8rem; }
.checklist { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.4rem; box-shadow: var(--shadow); }
.checklist ul { margin: 0; padding-left: 1.1rem; }
.checklist li { margin: .35rem 0; }
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1rem; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.25rem; box-shadow: var(--shadow); position: relative; }
.step-num { font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 1.5rem; color: var(--accent); }
.step h3 { margin: .1rem 0 .25rem; font-family: "Space Grotesk", sans-serif; }
.downloads { display: grid; gap: .8rem; }
.dl { display: flex; flex-direction: column; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: var(--radius); background: #fff; box-shadow: var(--shadow); }
.dl:hover { border-color: var(--accent); text-decoration: none; transform: translateY(-1px); }
.dl-title { font-weight: 600; font-family: "Space Grotesk", sans-serif; }
.dl-sub { color: var(--muted); font-size: .9rem; }

/* Footer */
.site-footer { border-top: 1px solid var(--line); padding: 2rem 0 3rem; }
.footer-grid { display: grid; grid-template-columns: 1.2fr 1fr 1.2fr; gap: 2rem; }
.site-footer ul { list-style: none; padding: 0; margin: .35rem 0 0; }
.site-footer li { margin: .25rem 0; }

/* Detail dialog */
.detail { border: none; border-radius: 18px; padding: 0; max-width: min(960px, 92vw); width: 100%; box-shadow: var(--shadow-lg); }
.detail::backdrop { background: rgba(8, 14, 26, 0.55); backdrop-filter: blur(2px); }
.detail-inner { padding: 1.4rem 1.6rem 1.7rem; }
.detail-head { display: flex; justify-content: space-between; gap: 1rem; align-items: start; }
.detail-id { display: flex; gap: .9rem; align-items: center; }
.detail-id img { width: 56px; height: 56px; border-radius: 14px; }
.detail-head h2 { font-family: "Space Grotesk", sans-serif; margin: .25rem 0; font-size: 1.4rem; }
.detail-meta { display: grid; grid-template-columns: 1.4fr 1fr; gap: 1rem; margin: 1rem 0; }
.detail-actions { display: flex; flex-wrap: wrap; gap: .5rem; margin: .25rem 0 1rem; }

.tabs .tab-buttons { display: flex; gap: .25rem; border-bottom: 1px solid var(--line); margin-bottom: .6rem; flex-wrap: wrap; }
.tabs .tab { background: transparent; border: none; padding: .55rem .85rem; cursor: pointer; font: inherit; color: var(--muted); border-bottom: 2px solid transparent; }
.tabs .tab.active { color: var(--ink); border-color: var(--ink); }
.tab-panel { display: block; }
.tab-panel[hidden] { display: none; }

.prompt {
  font-family: "JetBrains Mono", ui-monospace, monospace;
  background: #0e1726; color: #e6edf7; border-radius: 12px;
  padding: 1rem 1.15rem; max-height: 50vh; overflow: auto;
  white-space: pre-wrap; line-height: 1.5;
  border: 1px solid #1c2740;
}
textarea.editor { width: 100%; min-height: 360px; resize: vertical; }
.editor-hint { margin-top: .5rem; }

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .library-grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
}