/* block4block — gemeinsames Stylesheet für alle Seiten.
   Bewusst KEINE externen Schriften (Google Fonts o.ä.): Deutsche Gerichte werten
   das Nachladen von Google-Fonts ohne Einwilligung als DSGVO-Verstoß. Wir nutzen
   Systemschriften - auf Apple-Geräten rendert ui-serif als "New York", sonst Georgia. */

:root {
  /* Ein bewusst kühl gestimmtes Fast-Schwarz (nicht #000) und ein minimal warmes
     Off-White. Die leichte Spannung der beiden macht die Monochromie lebendig. */
  --ink: #0F1214;
  --ink-soft: #1B2124;
  --paper: #FBFAF8;
  --paper-2: #F1F0EC;

  --on-ink: #F4F3F1;
  --on-ink-muted: #9AA1A5;
  --on-paper: #14181A;
  --on-paper-muted: #5D666B;

  --line-ink: rgba(244, 243, 241, 0.16);
  --line-paper: rgba(20, 24, 26, 0.14);

  /* Einziger Akzent, bewusst gedämpft und nur für Interaktion (Links, Fokus).
     Die Wortmarke trägt die Aufmerksamkeit - die Farbe bleibt still. */
  --accent: #3C5A6B;
  --accent-on-ink: #8FB3C7;

  --serif: ui-serif, "New York", Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  --gutter: clamp(1.5rem, 5vw, 5.5rem);
  --max: 1240px;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--on-paper);
  font-family: var(--sans);
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: var(--max); margin: 0 auto; padding-inline: var(--gutter); }

/* --- Flächen -------------------------------------------------------------- */
.dark { background: var(--ink); color: var(--on-ink); }
.dark a { color: var(--accent-on-ink); }

/* --- Kopfzeile ------------------------------------------------------------ */
.site-head {
  padding-block: clamp(1.5rem, 3vw, 2.25rem);
  display: flex; align-items: baseline; gap: 2rem;
}
.brandline {
  font-family: var(--serif);
  font-size: clamp(1rem, 1.6vw, 1.2rem);
  letter-spacing: 0.01em;
  color: var(--on-ink);
  text-decoration: none;
}
.site-nav { margin-left: auto; display: flex; gap: clamp(1.25rem, 3vw, 2.5rem); }
.site-nav a {
  color: var(--on-ink-muted);
  text-decoration: none;
  font-size: 0.95rem;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
}
.site-nav a:hover { color: var(--on-ink); }
.site-nav a[aria-current="page"] { color: var(--on-ink); border-bottom-color: var(--on-ink); }
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-on-ink); outline-offset: 3px; border-radius: 2px;
}

/* --- Wortmarke / Hero ----------------------------------------------------- */
.hero { padding-block: clamp(3rem, 11vw, 8.5rem) clamp(3.5rem, 12vw, 9rem); }
.wordmark {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(3.2rem, 13vw, 9.5rem);
  line-height: 0.92;
  letter-spacing: -0.02em;
  margin: 0;
}
.hero-sub {
  margin: clamp(1.5rem, 3vw, 2.25rem) 0 0;
  font-size: clamp(0.95rem, 1.4vw, 1.05rem);
  color: var(--on-ink-muted);
  max-width: 46ch;
}
.hero.compact { padding-block: clamp(2.5rem, 8vw, 5.5rem) clamp(2.5rem, 8vw, 5rem); }
.page-title {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.4rem, 8vw, 5.5rem);
  line-height: 1;
  letter-spacing: -0.015em;
  margin: 0;
}

/* --- Inhaltsflächen ------------------------------------------------------- */
.section { padding-block: clamp(3rem, 7vw, 6rem); }
.lede {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(1.75rem, 3.6vw, 2.9rem);
  line-height: 1.12;
  letter-spacing: -0.012em;
  text-wrap: balance;
  margin: 0 0 clamp(1.75rem, 3vw, 2.5rem);
  max-width: 20ch;
}
.prose { max-width: 62ch; }
.prose p { margin: 0 0 1.15em; }
.prose p:last-child { margin-bottom: 0; }
.prose strong { font-weight: 600; }

/* Zweispaltig: Text links, Randnotiz rechts (ab Tablet) */
.split { display: grid; gap: clamp(2rem, 5vw, 4rem); }
@media (min-width: 900px) { .split { grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr); } }

/* --- "block for block": modulare Hairline-Kacheln -------------------------- */
/* Das Raster ist kein Ornament - es nimmt den Namen wörtlich: die Aussage wird
   aus einzelnen Blöcken zusammengesetzt. */
.blocks {
  display: grid; gap: 1px;
  background: var(--line-paper);
  border: 1px solid var(--line-paper);
  margin-top: clamp(2.5rem, 5vw, 4rem);
}
@media (min-width: 760px) { .blocks { grid-template-columns: repeat(3, 1fr); } }
.block {
  background: var(--paper);
  padding: clamp(1.5rem, 2.5vw, 2rem);
}
.block h3 {
  font-family: var(--serif); font-weight: 400;
  font-size: 1.3rem; margin: 0 0 0.5rem; letter-spacing: -0.01em;
}
.block p { margin: 0; font-size: 0.95rem; color: var(--on-paper-muted); }

/* --- Kleinkram / Labels --------------------------------------------------- */
.label {
  font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.14em;
  font-weight: 600; color: var(--on-paper-muted); margin: 0 0 0.9rem;
}
.dark .label { color: var(--on-ink-muted); }
.meta { font-size: 0.95rem; color: var(--on-paper-muted); }
.meta a { color: var(--accent); text-underline-offset: 3px; }
.stack > * + * { margin-top: 0.35rem; }

/* --- Fußzeile ------------------------------------------------------------- */
.site-foot { border-top: 1px solid var(--line-paper); padding-block: clamp(2.5rem, 5vw, 4rem); }
.foot-grid { display: grid; gap: 2rem; }
@media (min-width: 760px) { .foot-grid { grid-template-columns: 1.4fr 1fr 1fr; } }
.foot-name { font-family: var(--serif); font-size: 1.35rem; margin: 0 0 0.75rem; }
.foot-links { display: flex; flex-direction: column; gap: 0.4rem; }
.foot-links a { color: var(--on-paper-muted); text-decoration: none; font-size: 0.92rem; }
.foot-links a:hover { color: var(--on-paper); text-decoration: underline; text-underline-offset: 3px; }
.colophon { margin-top: clamp(2rem, 4vw, 3rem); font-size: 0.78rem; color: var(--on-paper-muted); }

/* --- Formular ------------------------------------------------------------- */
.form { display: grid; gap: 1.1rem; max-width: 34rem; }
.row2 { display: grid; gap: 1.1rem; }
@media (min-width: 560px) { .row2 { grid-template-columns: 1fr 1fr; } }
.field { display: grid; gap: 0.4rem; }
.field label { font-size: 0.85rem; font-weight: 600; }
.field .hint { font-weight: 400; color: var(--on-paper-muted); }
.field input, .field textarea {
  font: inherit; font-size: 1rem;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line-paper);
  border-radius: 2px;
  background: #fff;
  color: var(--on-paper);
}
.field textarea { min-height: 9rem; resize: vertical; }
.field input:focus, .field textarea:focus { border-color: var(--accent); }
.btn {
  justify-self: start;
  font: inherit; font-weight: 600; font-size: 0.95rem;
  background: var(--ink); color: var(--on-ink);
  border: 1px solid var(--ink); border-radius: 2px;
  padding: 0.75rem 1.6rem; cursor: pointer;
}
.btn:hover { background: var(--ink-soft); }
.btn[disabled] { opacity: 0.55; cursor: progress; }
/* Spam-Falle: für Menschen unsichtbar, Bots füllen sie aus. */
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-note { font-size: 0.85rem; color: var(--on-paper-muted); max-width: 34rem; }
.status { font-size: 0.95rem; padding: 0.8rem 1rem; border-radius: 2px; display: none; }
.status.ok { display: block; background: #E8F0EA; color: #1F5133; border: 1px solid #C4DACC; }
.status.err { display: block; background: #F6E7E4; color: #7A2E22; border: 1px solid #E4C4BD; }

/* --- Rechtstexte ---------------------------------------------------------- */
.legal { max-width: 68ch; }
.legal h2 { font-family: var(--serif); font-weight: 400; font-size: 1.6rem; margin: 2.5rem 0 0.75rem; letter-spacing: -0.01em; }
.legal h2:first-of-type { margin-top: 0; }
.legal p, .legal li { font-size: 0.98rem; }
.legal ul { padding-left: 1.1rem; }
.todo {
  background: #FCF3E2; border: 1px solid #E6CF9E; color: #6B4E10;
  padding: 0.9rem 1.1rem; border-radius: 2px; font-size: 0.9rem;
}

@media (prefers-reduced-motion: no-preference) {
  .fade { animation: fade 0.7s cubic-bezier(0.2, 0.7, 0.3, 1) both; }
  @keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
}