/*
 * Palette und Schriften sind mit src/index.css abgeglichen — Startseite und App
 * teilen dieselbe Identität. Grundlage ist die gedruckte Seekarte: Kartenpapier
 * als Grund, Landtönung als Fläche, Magenta als einzige Signalfarbe.
 */

@font-face {
  font-family: 'Spectral';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/spectral-latin-400-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Spectral';
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url('fonts/spectral-latin-400-italic.woff2') format('woff2');
}

@font-face {
  font-family: 'Spectral';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/spectral-latin-600-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url('fonts/barlow-semi-condensed-latin-500-normal.woff2') format('woff2');
}

@font-face {
  font-family: 'Barlow Semi Condensed';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url('fonts/barlow-semi-condensed-latin-600-normal.woff2') format('woff2');
}

:root {
  --ink: #10202c;
  --ink-soft: #45606f;
  --paper: #faf6ea;
  --paper-alt: #ece3cd;
  --line: #d5cbb3;
  --accent: #17546e;
  --accent-ink: #faf6ea;
  --signal: #b4005a;
  --measure: 62ch;

  --serif: 'Spectral', 'Iowan Old Style', 'Palatino Linotype', Palatino, Georgia, serif;
  --schmal: 'Barlow Semi Condensed', 'Avenir Next Condensed', 'Helvetica Neue', 'Arial Narrow', sans-serif;

  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e9e1ce;
    --ink-soft: #9aaeb9;
    --paper: #0d181f;
    --paper-alt: #16252f;
    --line: #2b3e4a;
    --accent: #6fb6d4;
    --accent-ink: #0d181f;
    --signal: #ff5c9d;

    color-scheme: dark;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  overflow-wrap: break-word;
}

a {
  color: var(--accent);
}

/* ── Kopfbereich ─────────────────────────────────────────────────────────── */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.75rem 1.5rem;
  padding: 1.25rem clamp(1rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.brand {
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--ink);
}

.topnav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.25rem;
  margin-left: auto;
  font-size: 0.95rem;
}

.topnav a {
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
}

.topnav a:hover,
.topnav a:focus-visible {
  border-bottom-color: currentColor;
}

.cta {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 0.35rem 0.9rem;
  border-radius: 2px;
  border-bottom: none !important;
}

.cta:hover,
.cta:focus-visible {
  filter: brightness(1.1);
}

/* ── Inhalt ──────────────────────────────────────────────────────────────── */

main {
  max-width: 46rem;
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 3rem) 4rem;
}

.hero {
  padding: clamp(2.5rem, 8vw, 5rem) 0 1rem;
}

.tagline {
  margin: 0 0 0.75rem;
  font-family: var(--schmal);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.9rem, 6vw, 2.9rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}

.lead {
  max-width: var(--measure);
  font-size: 1.15rem;
  color: var(--ink-soft);
}

.hero-actions {
  margin: 1.75rem 0 0;
}

.hero-actions .cta {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  font-size: 1rem;
}

section.block {
  padding-top: 2.75rem;
  border-top: 1px solid var(--line);
  margin-top: 2.75rem;
}

section.block h2 {
  margin: 0 0 0.75rem;
  font-size: clamp(1.35rem, 3.5vw, 1.7rem);
  line-height: 1.25;
}

section.block > p {
  max-width: var(--measure);
  color: var(--ink-soft);
}

.terms {
  margin: 1.75rem 0 0;
  display: grid;
  gap: 1.25rem;
}

.terms > div {
  background: var(--paper-alt);
  border-radius: 2px;
  padding: 1rem 1.15rem;
}

.terms dt,
.terms .term {
  font-family: var(--schmal);
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.35rem;
}

.terms dd,
.terms p {
  margin: 0;
  max-width: var(--measure);
}

/* ── Fusszeile ───────────────────────────────────────────────────────────── */

.sitefoot {
  border-top: 1px solid var(--line);
  padding: 1.75rem clamp(1rem, 5vw, 3rem);
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: baseline;
  font-size: 0.9rem;
  color: var(--ink-soft);
}

.sitefoot p {
  margin: 0;
}

.langswitch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-left: auto;
}

.langswitch a[aria-current='true'] {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

/* ── Dokumentation ───────────────────────────────────────────────────────── */

.doc-main {
  max-width: 52rem;
}

.toc {
  background: var(--paper-alt);
  border-radius: 2px;
  padding: 1rem 1.25rem;
  margin-top: 2rem;
  font-size: 0.95rem;
}

.toc h2 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--ink-soft);
}

.toc ul {
  margin: 0;
  padding-left: 1.1rem;
}

.toc ul ul {
  padding-left: 1rem;
}

.doc-body h1 {
  margin-top: 2.5rem;
}

.doc-body h2 {
  margin-top: 2.5rem;
  padding-top: 0.75rem;
  border-top: 1px solid var(--line);
  font-size: clamp(1.3rem, 4vw, 1.65rem);
  line-height: 1.25;
}

.doc-body h3 {
  margin-top: 1.75rem;
  font-size: 1.15rem;
}

.doc-body p,
.doc-body li {
  max-width: var(--measure);
}

.doc-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.9em;
  background: var(--paper-alt);
  padding: 0.1em 0.35em;
  border-radius: 2px;
}

.doc-body pre {
  overflow-x: auto;
  background: var(--paper-alt);
  padding: 0.9rem 1rem;
  border-radius: 2px;
}

.doc-body pre code {
  background: none;
  padding: 0;
}

.doc-body table {
  display: block;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.doc-body th,
.doc-body td {
  border: 1px solid var(--line);
  padding: 0.4rem 0.6rem;
  text-align: left;
  vertical-align: top;
}

.doc-body figure {
  margin: 1.75rem 0;
  overflow-x: auto;
}

.doc-body svg,
.doc-body img {
  max-width: 100%;
  height: auto;
}

.doc-body figcaption {
  font-size: 0.9rem;
  color: var(--ink-soft);
  margin-top: 0.5rem;
}

.doc-body blockquote {
  margin: 1.5rem 0;
  padding-left: 1rem;
  border-left: 3px solid var(--accent);
  color: var(--ink-soft);
}