/* ==========================================================================
   uanliker.ch — gemeinsames Stylesheet
   Richtung: Taucherinstrument / Tiefenmesser, nicht Tourismus-Broschüre.
   ========================================================================== */

/* Selbst gehostete Fonts. Dateien müssen unter /fonts/ liegen:
   - space-grotesk-600.woff2, space-grotesk-700.woff2
   - ibm-plex-sans-400.woff2, ibm-plex-sans-500.woff2
   - ibm-plex-mono-400.woff2, ibm-plex-mono-500.woff2, ibm-plex-mono-600.woff2
   Bezugsquelle: https://fonts.google.com (Open Font License, Download als
   .woff2 exportieren, z.B. via google-webfonts-helper). Ich kann diese
   Dateien in dieser Umgebung nicht herunterladen (Netzwerk auf
   fonts.gstatic.com nicht freigegeben) — bitte lokal beziehen und ablegen. */

@font-face {
  font-family: 'Space Grotesk';
  src: url('/fonts/space-grotesk-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'Space Grotesk';
  src: url('/fonts/space-grotesk-700.woff2') format('woff2');
  font-weight: 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/fonts/ibm-plex-sans-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Sans';
  src: url('/fonts/ibm-plex-sans-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-400.woff2') format('woff2');
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-500.woff2') format('woff2');
  font-weight: 500;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: 'IBM Plex Mono';
  src: url('/fonts/ibm-plex-mono-600.woff2') format('woff2');
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Farben */
  --bg: #0e1b1f;              /* Seitenhintergrund, dunkles Tiefwasser */
  --panel: #15282d;            /* Panels, Kartenhintergrund */
  --panel-border: #24393e;     /* Trennlinien, Rahmen */
  --text: #e7e3da;             /* Haupttext, Kalkstein-Weiss */
  --text-muted: #8ca0a3;       /* Nebentext, Metadaten */
  --accent: #c79a3d;           /* Messing/Lampenlicht — Links, Auszeichnung */
  --accent-warn: #a6432e;      /* Leinenmarkierung Rot — Limits, Warnungen, sparsam */

  /* Typografie */
  --font-display: 'Space Grotesk', 'Arial Narrow', sans-serif;
  --font-body: 'IBM Plex Sans', Arial, sans-serif;
  --font-mono: 'IBM Plex Mono', 'Courier New', monospace;

  --content-width: 46rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(199, 154, 61, 0.4);
}
a:hover, a:focus-visible {
  border-bottom-color: var(--accent);
}
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ---------- Kopfbereich / Navigation ---------- */

.site-header {
  border-bottom: 1px solid var(--panel-border);
  background: var(--panel);
}

.site-nav {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.25rem;
  align-items: baseline;
}

.site-nav__brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  border-bottom: none;
  margin-right: auto;
  letter-spacing: 0.02em;
}

.site-nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  border-bottom: 1px solid transparent;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.site-nav a:hover, .site-nav a[aria-current="page"] {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  max-width: var(--content-width);
  margin: 1.5rem auto 0;
  padding: 0 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.breadcrumb a { color: var(--text-muted); border-bottom-color: rgba(140,160,163,0.35); }
.breadcrumb a:hover { color: var(--accent); border-bottom-color: var(--accent); }

/* ---------- Hauptinhalt ---------- */

main {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.25rem 1.25rem 4rem;
}

.course-title__row {
  border-bottom: 2px solid var(--panel-border);
  padding-bottom: 0.75rem;
  margin-bottom: 1.75rem;
}

.verband-suffix {
  color: var(--accent);
}

h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2rem;
  margin: 0;
  letter-spacing: -0.01em;
}


h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text);
  margin: 2.25rem 0 0.75rem;
}

p, li { color: var(--text); }
p { margin: 0 0 1rem; }
ul, ol { margin: 0 0 1rem; padding-left: 1.25rem; }
li { margin-bottom: 0.35rem; }

/* ---------- Signature-Element: Gauge-Panel ---------- */
/* Gestaltet wie ein Tiefenmesser-Readout: Tick-Skala links, */
/* Monospace-Datenzeilen, keine runden Ecken.                */

.gauge-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  padding: 1.25rem 1.25rem 1.25rem 2.25rem;
  margin: 0 0 2rem;
  font-family: var(--font-mono);
}

.gauge-panel::before {
  content: "";
  position: absolute;
  left: 0.9rem;
  top: 0.8rem;
  bottom: 0.8rem;
  width: 1px;
  background: repeating-linear-gradient(
    to bottom,
    var(--accent) 0,
    var(--accent) 1px,
    transparent 1px,
    transparent 8px
  );
}

.gauge-panel__row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.35rem 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.9rem;
}
.gauge-panel__row:last-child { border-bottom: none; }

.gauge-panel__label {
  color: var(--text-muted);
  letter-spacing: 0.02em;
}

.gauge-panel__value {
  color: var(--text);
  text-align: right;
}
.gauge-panel__value--limit {
  color: var(--accent-warn);
  font-weight: 600;
}

/* ---------- Standard-/Kontakt-Boxen ---------- */

.standard-box, .contact-box {
  border: 1px solid var(--panel-border);
  padding: 1rem 1.25rem;
  margin: 0 0 1.25rem;
  font-size: 0.92rem;
}
.standard-box__label, .contact-box__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}

.btn {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--bg);
  background: var(--accent);
  padding: 0.55rem 1rem;
  border: none;
  border-bottom: none;
  letter-spacing: 0.03em;
}
.btn:hover, .btn:focus-visible { background: #dbae52; }

/* ---------- Footer ---------- */

.site-footer {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-muted);
  border-top: 1px solid var(--panel-border);
}

/* ---------- Barrierefreiheit ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* ---------- Bildergalerie: Album-Grid ---------- */
/* Bilder liegen als 600x450 (Querformat) oder 450x600 (Hochformat) vor,
   Seitenverhaeltnis gemischt -> Masonry-artiges Grid via CSS columns,
   keine Bildanalyse noetig, keine Verzerrung (object-fit: contain). */

.photo-grid {
  columns: 3 16rem;
  column-gap: 0.75rem;
  margin: 1.5rem 0;
}
.photo-grid__item {
  margin: 0 0 0.75rem;
  break-inside: avoid;
  border: 1px solid var(--panel-border);
  background: var(--panel);
  padding: 0.25rem;
}
.photo-grid__item img {
  display: block;
  width: 100%;
  height: auto;
}

@media (max-width: 700px) {
  .photo-grid { columns: 2 12rem; }
}
@media (max-width: 420px) {
  .photo-grid { columns: 1; }
}

@media (max-width: 600px) {
  h1 { font-size: 1.5rem; }
  .gauge-panel { padding-left: 1.75rem; }
}