/* ============================================================
   Einfach mal abtauchen e.V. — Design System
   Farben aus dem Vereinslogo (Türkis-Oktopus), ergänzt um
   Tiefsee-Blau für Vertrauen und Koralle als Akzent.
   ============================================================ */

:root {
  --ink: #0b2a38;            /* Fließtext, fast schwarz mit Blaustich */
  --ink-soft: #3d5866;       /* Sekundärtext */
  --primary: #14b0d4;        /* Logo-Türkis (dekorativ, große Flächen) */
  --primary-deep: #0b7f9d;   /* Türkis mit AA-Kontrast auf Weiß */
  --deep-1: #05222f;         /* Tiefsee — Header/Footer/Hero-Overlay */
  --deep-2: #0a3d52;
  --accent: #ff6b4a;         /* Koralle — Badges & Highlights */
  --bg: #f4fafc;
  --card: #ffffff;
  --line: #d9eaf1;
  --radius: 18px;
  --shadow: 0 6px 24px rgba(5, 34, 47, .08);
  --shadow-lift: 0 14px 40px rgba(5, 34, 47, .14);
  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }

h1, h2, h3, h4 { line-height: 1.15; font-weight: 800; letter-spacing: -.01em; margin: 0 0 .5em; }
h1 { font-size: clamp(2rem, 4.5vw, 3.25rem); }
h2 { font-size: clamp(1.5rem, 3vw, 2.25rem); }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); }
p  { margin: 0 0 1em; }

a { color: var(--primary-deep); text-decoration-thickness: from-font; text-underline-offset: 3px; }
a:hover { color: var(--deep-2); }

:focus-visible {
  outline: 3px solid var(--primary-deep);
  outline-offset: 3px;
  border-radius: 4px;
}

.container { max-width: var(--maxw); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: var(--deep-1); color: #fff; padding: .75rem 1.25rem; border-radius: 0 0 10px 0;
}
.skip-link:focus { left: 0; color: #fff; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 74px; }
.brand img { width: 132px; height: auto; }
.site-nav ul { list-style: none; display: flex; flex-wrap: wrap; gap: .25rem; margin: 0; padding: 0; align-items: center; }
.site-nav a {
  display: block; padding: .55rem .8rem; border-radius: 999px;
  color: var(--ink); text-decoration: none; font-weight: 600; font-size: .95rem;
}
.site-nav a:hover { background: #e5f5fa; color: var(--deep-2); }
.site-nav a[aria-current="page"] { background: #d6f0f8; color: var(--deep-2); }
.site-nav a.nav-cta { background: var(--primary-deep); color: #fff; padding-inline: 1.1rem; }
.site-nav a.nav-cta:hover { background: var(--deep-2); }
.nav-toggle {
  display: none; border: 1px solid var(--line); background: #fff; border-radius: 10px;
  padding: .5rem .9rem; font: inherit; font-weight: 700; color: var(--ink); cursor: pointer;
}

@media (max-width: 880px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: .5rem; }
  .site-nav { display: none; position: absolute; inset: 100% 0 auto 0; background: #fff; border-bottom: 1px solid var(--line); box-shadow: var(--shadow); }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; align-items: stretch; padding: .75rem; gap: .15rem; }
  .site-nav a { border-radius: 12px; padding: .8rem 1rem; }
}

/* ---------- Buttons & Badges ---------- */
.btn {
  display: inline-block; padding: .8rem 1.6rem; border-radius: 999px;
  font-weight: 700; text-decoration: none; border: 2px solid transparent;
  transition: transform .15s ease, background .15s ease, box-shadow .15s ease;
}
.btn:hover { transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-primary { background: var(--primary-deep); color: #fff; }
.btn-primary:hover { background: var(--deep-2); color: #fff; }
.btn-light { background: #fff; color: var(--deep-2); }
.btn-light:hover { color: var(--deep-1); }
.btn-ghost { border-color: rgba(255,255,255,.75); color: #fff; }
.btn-ghost:hover { background: rgba(255,255,255,.12); color: #fff; }

.badge {
  display: inline-block; padding: .3rem .85rem; border-radius: 999px;
  font-size: .82rem; font-weight: 700; letter-spacing: .02em;
  background: #d6f0f8; color: var(--deep-2);
}
.badge-accent { background: var(--accent); color: #47150a; }
.badge-light { background: rgba(255,255,255,.16); color: #fff; }

/* ---------- Hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; background: var(--deep-1); }
.hero-media { position: absolute; inset: 0; }
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
/* Bild nach unten schieben, damit der obere Bildbereich im Anschnitt bleibt */
.hero-media-top img { object-position: 50% 25%; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(75deg, rgba(4, 30, 42, .92) 0%, rgba(6, 48, 66, .72) 45%, rgba(10, 61, 82, .35) 100%);
}
.hero-content { position: relative; z-index: 1; padding-block: clamp(4.5rem, 12vw, 8.5rem); max-width: 640px; }
.hero-content .badge-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1.25rem; }
.hero-content p.lead { font-size: clamp(1.05rem, 2vw, 1.3rem); color: #d8eef6; max-width: 54ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 1.75rem; }

/* Scroll-Hinweis: signalisiert, dass unter dem Hero weiterer Inhalt folgt */
.scroll-cue {
  position: absolute; left: 50%; transform: translateX(-50%); bottom: 4.2rem; z-index: 1;
  display: flex; flex-direction: column; align-items: center; gap: .1rem;
  color: #d8eef6; text-decoration: none;
  font-size: .78rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase;
}
.scroll-cue:hover { color: #fff; }
.scroll-cue svg { animation: cue-bob 2s ease-in-out infinite; }
@keyframes cue-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(7px); } }

/* Kleiner Seiten-Hero für Unterseiten */
.page-hero { position: relative; color: #fff; background: linear-gradient(75deg, var(--deep-1), var(--deep-2)); overflow: hidden; }
.page-hero .hero-content { padding-block: clamp(3rem, 8vw, 5rem); }
.page-hero .hero-media::after {
  background: linear-gradient(75deg, rgba(4, 30, 42, .94) 0%, rgba(6, 48, 66, .78) 50%, rgba(10, 61, 82, .45) 100%);
}
.page-hero p.lead { color: #d8eef6; font-size: clamp(1rem, 1.8vw, 1.2rem); }

/* Wellen-Trenner */
.wave { display: block; width: 100%; height: 56px; margin-top: -1px; color: var(--bg); }
.wave.to-white { color: #fff; }

/* Info-Laufband (aus Variante C übernommen) */
.ticker { background: linear-gradient(120deg, var(--primary-deep), var(--primary)); color: #fff; overflow: hidden; }
.ticker-track {
  display: flex; gap: 2.5rem; width: max-content; white-space: nowrap;
  padding-block: .7rem; animation: ticker 30s linear infinite;
  font-size: .88rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.ticker-track span::after { content: "🫧"; margin-left: 2.5rem; }
@keyframes ticker { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) {
  .ticker-track { width: auto; white-space: normal; flex-wrap: wrap; justify-content: center; gap: .5rem 2rem; padding-inline: 1rem; }
  .ticker-track > .ticker-copy { display: none; }
}

/* ---------- Sektionen ---------- */
.section { padding-block: clamp(3rem, 7vw, 5rem); }
.section-tight { padding-block: clamp(2rem, 5vw, 3.5rem); }
.section-deep { background: linear-gradient(160deg, var(--deep-1), var(--deep-2)); color: #fff; }
.section-deep h2 { color: #fff; }
.section-deep p { color: #cfe8f2; }
.section-deep .card { color: var(--ink); }
.section-deep .card p { color: var(--ink-soft); }
.section-white { background: #fff; }
.kicker {
  display: block; font-size: .9rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--primary-deep); margin-bottom: .6rem;
}
.section-deep .kicker { color: #7fd6ec; }
.section-intro { max-width: 68ch; }
.center { text-align: center; }
.center .section-intro { margin-inline: auto; }

/* ---------- Karten & Grids ---------- */
.grid { display: grid; gap: 1.5rem; }
.grid-2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid-3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); }

.card {
  background: var(--card); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  display: flex; flex-direction: column;
}
.card-body { padding: 1.6rem; flex: 1; display: flex; flex-direction: column; }
.card-body .btn { margin-top: auto; align-self: flex-start; }
.card > img { aspect-ratio: 16 / 10; object-fit: cover; width: 100%; }
a.card-link { text-decoration: none; color: inherit; transition: transform .15s ease, box-shadow .15s ease; }
a.card-link:hover { transform: translateY(-4px); box-shadow: var(--shadow-lift); color: inherit; }

.feature { display: flex; gap: 1rem; align-items: flex-start; }
.feature .ico {
  flex: 0 0 auto; width: 52px; height: 52px; border-radius: 14px;
  display: grid; place-items: center; font-size: 1.5rem;
  background: #d6f0f8; color: var(--deep-2);
}
.feature h3 { margin-bottom: .25rem; }
.feature p { margin: 0; color: var(--ink-soft); }

/* Checkliste (Leistungen) */
.checklist { list-style: none; margin: 0; padding: 0; display: grid; gap: .9rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.checklist li {
  background: #fff; border: 1px solid var(--line); border-radius: 14px;
  padding: 1rem 1.1rem 1rem 3rem; position: relative; font-weight: 600;
}
.checklist li::before {
  content: "✓"; position: absolute; left: 1rem; top: .95rem;
  width: 1.5rem; height: 1.5rem; border-radius: 50%;
  background: var(--primary-deep); color: #fff;
  display: grid; place-items: center; font-size: .9rem; font-weight: 800;
}

/* Schritte (Inklusionstauchen) */
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 1.5rem; counter-reset: step; }
.steps li { display: flex; gap: 1.25rem; align-items: flex-start; }
.steps .num {
  flex: 0 0 auto; width: 56px; height: 56px; border-radius: 50%;
  background: var(--primary-deep); color: #fff;
  display: grid; place-items: center; font-size: 1.4rem; font-weight: 800;
}
.steps h3 { margin-bottom: .3rem; }
.steps p { margin: 0; color: var(--ink-soft); }

/* Termin-Karten */
.event { display: flex; gap: 1.25rem; align-items: flex-start; }
.event .date {
  flex: 0 0 auto; min-width: 86px; text-align: center;
  background: var(--deep-2); color: #fff; border-radius: 14px; padding: .8rem .6rem;
  font-weight: 800; line-height: 1.25;
}
.event .date small { display: block; font-weight: 600; color: #9fd8ea; }

/* Galerie */
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
.gallery img { border-radius: var(--radius); box-shadow: var(--shadow); width: 100%; height: 100%; object-fit: cover; }
.gallery figure { margin: 0; }
.gallery figcaption { font-size: .9rem; color: var(--ink-soft); padding-top: .5rem; }

/* CTA-Band */
.cta-band { background: linear-gradient(120deg, var(--primary-deep), var(--primary)); color: #fff; border-radius: var(--radius); padding: clamp(2rem, 5vw, 3.5rem); box-shadow: var(--shadow-lift); }
.cta-band h2 { color: #fff; }
.cta-band p { color: #eafaff; max-width: 60ch; }

/* Partnerlogos */
.partners { display: flex; flex-wrap: wrap; gap: 2rem; align-items: center; }
.partners img { width: 150px; background: #fff; border-radius: 12px; padding: .75rem; box-shadow: var(--shadow); }
.partners ul { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: .6rem; }
.partners ul li { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .45rem 1.1rem; font-weight: 600; font-size: .95rem; }

/* ---------- Kontakt-Infokarten ---------- */
.contact-item { display: flex; gap: 1rem; align-items: center; background: #fff; border-radius: 14px; padding: 1.1rem 1.3rem; box-shadow: var(--shadow); }
.contact-item .ico { font-size: 1.4rem; width: 48px; height: 48px; border-radius: 12px; background: #d6f0f8; display: grid; place-items: center; flex: 0 0 auto; }
.contact-item a { font-weight: 700; word-break: break-word; }

/* ---------- Rechtstexte (Satzung, Datenschutz, Impressum) ---------- */
.prose { max-width: 76ch; }
.prose h2 { margin-top: 2.2em; font-size: 1.45rem; }
.prose h3 { margin-top: 1.6em; font-size: 1.15rem; }
.prose ul { padding-left: 1.3rem; }
.toc { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem 1.5rem; margin-bottom: 2rem; }
.toc strong { display: block; margin-bottom: .5rem; }
.toc ol { margin: 0; padding-left: 1.3rem; columns: 2; column-gap: 2.5rem; }
.toc a { text-decoration: none; }
.toc a:hover { text-decoration: underline; }
@media (max-width: 640px) { .toc ol { columns: 1; } }

.notice {
  background: #fff7ed; border: 1.5px solid #fdba74; border-radius: 14px;
  padding: 1rem 1.25rem; color: #7c3a12; font-size: .97rem;
}

/* ---------- Footer ---------- */
.site-footer { background: var(--deep-1); color: #bcd9e6; margin-top: clamp(3rem, 7vw, 5rem); }
.footer-grid { display: grid; gap: 2.5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); padding-block: 3rem 2rem; }
.site-footer h3 { color: #fff; font-size: 1.05rem; margin-bottom: .8rem; }
.site-footer a { color: #8fd4e8; }
.site-footer a:hover { color: #fff; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.footer-brand img { width: 150px; margin-bottom: .9rem; background: #fff; border-radius: 12px; padding: .5rem .7rem; }
.footer-legal { border-top: 1px solid rgba(255,255,255,.14); padding-block: 1.1rem; font-size: .9rem; display: flex; flex-wrap: wrap; gap: 1rem; justify-content: space-between; align-items: center; }
.footer-legal ul { display: flex; flex-wrap: wrap; gap: 1.25rem; list-style: none; margin: 0; padding: 0; }

/* ---------- Packliste ---------- */
.packliste { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); }
.packliste li { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: .6rem .9rem; display: flex; gap: .7rem; align-items: center; }
.packliste input { width: 1.15rem; height: 1.15rem; flex: 0 0 auto; }
@media print {
  .site-header, .site-footer, .no-print { display: none !important; }
  body { background: #fff; }
  .packliste li { border-color: #999; }
}

/* ---------- Scroll-Reveal (nur aktiv, wenn JS läuft: <html class="js">) ---------- */
html.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
html.js .reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { html.js .reveal { opacity: 1; transform: none; } }