/* Holatri — Homepage Styles
   Eigenständig, ohne externe Abhängigkeiten. */

:root {
  --paper:      #faf7f1;
  --paper-2:    #fffdf8;
  --ink:        #1d1b17;
  --ink-soft:   #4a463e;
  --muted:      #847b6c;
  --line:       #e7ddcd;
  --line-soft:  #f0e9dc;
  --accent:     #cf4527;   /* Zinnober */
  --accent-2:   #1c6f66;   /* Petrol */
  --accent-3:   #b8862f;   /* Ocker */
  --code-bg:    #1f1d19;
  --code-fg:    #ece5d7;
  --code-muted: #8f8775;
  --code-accent:#f0a08a;
  --radius:     14px;
  --radius-sm:  9px;
  --maxw:       1080px;
  --serif: "Iowan Old Style", "Hoefler Text", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; scroll-padding-top: 86px; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* faint paper grain via layered gradients */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(circle at 15% -10%, rgba(207, 69, 39, 0.05), transparent 45%),
    radial-gradient(circle at 100% 0%, rgba(28, 111, 102, 0.05), transparent 40%);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }

h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; letter-spacing: -0.01em; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: saturate(1.4) blur(8px);
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  gap: 18px;
  height: 64px;
}
.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: -0.02em;
}
.brand:hover { text-decoration: none; }
.brand .mark {
  font-family: var(--mono);
  color: var(--accent);
  font-size: 24px;
  transform: translateY(1px);
}
.nav-spacer { flex: 1; }
.nav-links { display: flex; align-items: center; gap: 6px; }
.nav-links a {
  color: var(--ink-soft);
  padding: 7px 12px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
}
.nav-links a:hover { background: var(--line-soft); color: var(--ink); text-decoration: none; }
.nav-links a.cta {
  background: var(--ink);
  color: var(--paper-2);
}
.nav-links a.cta:hover { background: var(--accent); }

.nav-toggle { display: none; }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 64px; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 56px;
  align-items: center;
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent-2);
  background: color-mix(in srgb, var(--accent-2) 9%, transparent);
  padding: 5px 11px;
  border-radius: 999px;
  margin-bottom: 22px;
}
.hero h1 { font-size: clamp(40px, 6vw, 62px); margin: 0 0 18px; }
.hero h1 .accent { color: var(--accent); }
.hero .lead { font-size: 20px; color: var(--ink-soft); margin: 0 0 16px; max-width: 36ch; }
.hero .sub { color: var(--muted); max-width: 44ch; margin: 0 0 30px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #b53b20; text-decoration: none; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { border-color: var(--ink); text-decoration: none; background: var(--paper-2); }

/* ---------- Holon-Tree Visual ---------- */
.holon-viz {
  background: var(--code-bg);
  border-radius: var(--radius);
  padding: 26px 26px 28px;
  box-shadow: 0 24px 50px -28px rgba(29, 27, 25, 0.5), 0 2px 0 rgba(255,255,255,0.04) inset;
  font-family: var(--mono);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--code-fg);
  overflow: auto;
}
.holon-viz .vh {
  display: flex; gap: 8px; align-items: center;
  color: var(--code-muted); font-size: 12px; letter-spacing: 0.04em;
  margin-bottom: 14px; text-transform: uppercase;
}
.holon-viz .dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.r { background: #e06a52; } .dot.y { background: #d8b15a; } .dot.g { background: #6bb38a; }
.node { padding-left: 0; }
.node .node { margin-left: 6px; padding-left: 16px; border-left: 1px solid rgba(236,229,215,0.14); }
.row { white-space: pre; }
.g-single { color: #f0a08a; } /* ‹ */
.g-crowd  { color: #e8c06a; } /* « */
.g-tribe  { color: #6fc0b4; } /* ≈ */
.k { color: #cfe3ff; }
.v-str { color: #b6d99a; }
.v-num { color: #e8c06a; }
.cm { color: var(--code-muted); }

/* ---------- Sections ---------- */
.section { padding: 64px 0; }
.section-tight { padding: 40px 0; }
.section-alt { background: var(--paper-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 56ch; margin-bottom: 38px; }
.section-head .eyebrow { margin-bottom: 14px; }
.section-head h2 { font-size: clamp(28px, 4vw, 38px); margin: 0 0 12px; }
.section-head p { color: var(--ink-soft); font-size: 18px; margin: 0; }

/* ---------- Glyph strip ---------- */
.glyphs { display: flex; flex-wrap: wrap; gap: 14px; }
.glyph {
  display: flex; align-items: center; gap: 14px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  padding: 14px 18px;
  flex: 1 1 200px;
}
.glyph .sym { font-family: var(--mono); font-size: 28px; line-height: 1; width: 34px; text-align: center; }
.glyph .meta b { display: block; font-size: 15px; }
.glyph .meta span { color: var(--muted); font-size: 13.5px; }
.sym.single { color: var(--accent); }
.sym.crowd  { color: var(--accent-3); }
.sym.tribe  { color: var(--accent-2); }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--paper-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px 22px 24px;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); box-shadow: 0 18px 36px -26px rgba(29,27,25,0.45); border-color: var(--line); }
.card .badge {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 10px;
  font-family: var(--mono); font-size: 21px;
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
  margin-bottom: 14px;
}
.card.c2 .badge { background: color-mix(in srgb, var(--accent-2) 12%, transparent); color: var(--accent-2); }
.card.c3 .badge { background: color-mix(in srgb, var(--accent-3) 14%, transparent); color: var(--accent-3); }
.card h3 { font-size: 19px; margin: 0 0 6px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; line-height: 1.6; }
.card .tag {
  display: inline-block; margin-top: 12px;
  font-family: var(--mono); font-size: 12px; color: var(--muted);
  border: 1px solid var(--line); border-radius: 6px; padding: 2px 8px;
}
.card .tag.opt { color: var(--accent); border-color: color-mix(in srgb, var(--accent) 35%, var(--line)); }

/* ---------- Code blocks ---------- */
.code {
  background: var(--code-bg);
  border-radius: var(--radius);
  overflow: hidden;
  margin: 20px 0;
  box-shadow: 0 16px 40px -30px rgba(29,27,25,0.6);
}
.code-head {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 14px;
  border-bottom: 1px solid rgba(236,229,215,0.10);
  color: var(--code-muted);
  font-family: var(--mono); font-size: 12.5px;
}
.code-head .name { letter-spacing: 0.03em; }
.code-head .copy {
  margin-left: auto;
  background: transparent; border: 1px solid rgba(236,229,215,0.18);
  color: var(--code-muted); border-radius: 6px; padding: 3px 10px;
  font-family: var(--mono); font-size: 12px; cursor: pointer;
}
.code-head .copy:hover { color: var(--code-fg); border-color: rgba(236,229,215,0.4); }
.code pre {
  margin: 0; padding: 18px 18px 20px; overflow-x: auto;
  font-family: var(--mono); font-size: 14px; line-height: 1.75;
  color: var(--code-fg);
}
.code code { font-family: inherit; }
/* token colors */
.tok-c  { color: var(--code-muted); font-style: italic; } /* comment */
.tok-s  { color: #b6d99a; }   /* string */
.tok-n  { color: #e8c06a; }   /* number */
.tok-k  { color: #f0a08a; }   /* keyword */
.tok-sy { color: #8fd0c6; }   /* symbol */
.tok-m  { color: #cfe3ff; }   /* method/const */

/* ---------- Callout ---------- */
.callout {
  border: 1px solid var(--line);
  border-left: 4px solid var(--accent-2);
  background: var(--paper-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  padding: 14px 18px;
  margin: 22px 0;
  font-size: 15px;
  color: var(--ink-soft);
}
.callout b { color: var(--ink); }
.callout.warn { border-left-color: var(--accent); }

/* ---------- Steps ---------- */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: step; }
.step { background: var(--paper-2); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.step::before {
  counter-increment: step; content: counter(step);
  display: inline-flex; align-items: center; justify-content: center;
  width: 30px; height: 30px; border-radius: 50%;
  background: var(--ink); color: var(--paper-2);
  font-family: var(--mono); font-size: 14px; margin-bottom: 12px;
}
.step h3 { font-size: 17px; margin: 0 0 6px; }
.step p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.step code { font-family: var(--mono); font-size: 13px; background: var(--line-soft); padding: 1px 5px; border-radius: 4px; }

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--line);
  background: var(--paper-2);
  padding: 40px 0;
  margin-top: 24px;
}
.footer-grid { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 14px; }
.footer-grid .brand { font-size: 18px; }
.footer-grid .sep { flex: 1; }
.footer-grid a { color: var(--ink-soft); }

/* ---------- Docs layout ---------- */
.docs { padding: 40px 0 80px; }
.docs-grid { display: grid; grid-template-columns: 232px 1fr; gap: 48px; align-items: start; }
.docs-nav { position: sticky; top: 86px; max-height: calc(100vh - 110px); overflow: auto; }
.docs-nav h4 {
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted); margin: 20px 0 8px; font-weight: 600;
}
.docs-nav h4:first-child { margin-top: 0; }
.docs-nav a {
  display: block; color: var(--ink-soft); font-size: 14.5px;
  padding: 5px 10px; border-radius: 7px; border-left: 2px solid transparent;
}
.docs-nav a:hover { background: var(--line-soft); text-decoration: none; }
.docs-nav a.active { color: var(--accent); border-left-color: var(--accent); background: color-mix(in srgb, var(--accent) 6%, transparent); }

.docs-main { min-width: 0; max-width: 740px; }
.docs-main h1 { font-size: 40px; margin: 0 0 10px; }
.docs-main h2 {
  font-size: 27px; margin: 52px 0 8px; padding-top: 10px;
  border-top: 1px solid var(--line);
}
.docs-main h2:first-of-type { border-top: none; padding-top: 0; }
.docs-main h3 { font-size: 19px; margin: 30px 0 6px; }
.docs-main p { color: var(--ink-soft); }
.docs-main ul { color: var(--ink-soft); padding-left: 22px; }
.docs-main li { margin: 4px 0; }
.docs-main .glyph-inline,
.docs-main code:not(pre code) {
  font-family: var(--mono); font-size: 0.86em;
  background: var(--line-soft); color: #8a3a26;
  padding: 1.5px 6px; border-radius: 5px;
}
.lede { font-size: 19px; color: var(--ink-soft); }

table.matrix { border-collapse: collapse; width: 100%; margin: 18px 0; font-size: 15px; }
table.matrix th, table.matrix td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); }
table.matrix th { font-family: var(--mono); font-size: 12.5px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
table.matrix td code { font-family: var(--mono); font-size: 13.5px; }
table.matrix .sym { font-family: var(--mono); font-size: 18px; }

.anchor { scroll-margin-top: 90px; }

/* ---------- Responsive ---------- */
@media (max-width: 880px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; }
  .cards { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .docs-grid { grid-template-columns: 1fr; gap: 18px; }
  .docs-nav {
    position: static; max-height: none;
    border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px;
    background: var(--paper-2);
  }
  .nav-links {
    position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 2px;
    background: var(--paper-2); border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px; display: none;
  }
  .nav-links.open { display: flex; }
  .nav-toggle {
    display: inline-flex; margin-left: auto;
    background: transparent; border: 1px solid var(--line); border-radius: 8px;
    width: 40px; height: 36px; cursor: pointer; align-items: center; justify-content: center;
    font-size: 18px; color: var(--ink);
  }
}
@media (max-width: 540px) {
  .cards { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 44px; }
}