/* ============================================================
   Erlebnisteiche am Rosenberg — Design System
   Stil: modern, ruhig, natürlich, hochwertig
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Farben — Natur / Wasser / Stein / Holz */
  --color-bg: #f7f4ec;
  --color-bg-alt: #efe9dc;
  --color-surface: #ffffff;
  --color-ink: #1c2420;
  --color-ink-soft: #4d564e;
  --color-ink-faint: #7c8579;

  --color-primary: #2f4a3e;     /* Teichgrün, dunkel */
  --color-primary-light: #4c6d5c;
  --color-primary-pale: #e4ebe4;

  --color-water: #5c8378;       /* Wasser-Akzent */
  --color-wood: #a97d54;        /* Holz / warmes Kupfer */
  --color-wood-pale: #ecdfc9;
  --color-koi: #b9502e;         /* Koi-Rot — sehr sparsam */

  --color-line: rgba(28, 36, 32, 0.12);
  --color-line-soft: rgba(28, 36, 32, 0.07);

  /* Typografie */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Abstände */
  --space-2xs: 0.5rem;
  --space-xs: 0.75rem;
  --space-sm: 1.25rem;
  --space-md: 2rem;
  --space-lg: 3.5rem;
  --space-xl: 6rem;
  --space-2xl: 9rem;

  --radius-sm: 6px;
  --radius-md: 14px;
  --radius-lg: 28px;

  --shadow-sm: 0 2px 10px rgba(28, 36, 32, 0.06);
  --shadow-md: 0 12px 40px rgba(28, 36, 32, 0.10);
  --shadow-lg: 0 24px 70px rgba(28, 36, 32, 0.16);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1240px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.12;
  margin: 0 0 var(--space-sm);
  letter-spacing: -0.01em;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.6rem, 5.5vw, 4.6rem); font-weight: 400; }
h2 { font-size: clamp(2rem, 3.4vw, 3rem); }
h3 { font-size: clamp(1.3rem, 1.8vw, 1.7rem); }

p { margin: 0 0 var(--space-sm); color: var(--color-ink-soft); }
p.lead { font-size: 1.2rem; color: var(--color-ink); max-width: 42em; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

section { padding: var(--space-xl) 0; }
.section-tight { padding: var(--space-lg) 0; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5em;
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-wood);
  font-weight: 600;
  margin-bottom: var(--space-xs);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--color-wood);
  display: inline-block;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: 0.95em 1.9em;
  border-radius: 999px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.35s var(--ease);
  white-space: nowrap;
}
.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}
.btn-outline:hover { border-color: var(--color-primary); background: var(--color-primary-pale); }
.btn-light {
  background: rgba(255,255,255,0.92);
  color: var(--color-primary);
}
.btn-light:hover { background: #fff; transform: translateY(-2px); }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.4rem 0;
  transition: all 0.4s var(--ease);
}
.site-header.is-scrolled {
  padding: 0.85rem 0;
  background: rgba(247, 244, 236, 0.86);
  backdrop-filter: blur(14px) saturate(140%);
  box-shadow: 0 1px 0 var(--color-line);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-primary);
}
.brand-mark {
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: 1.1rem;
}
.brand small { display: block; font-family: var(--font-body); font-size: 0.68rem; color: var(--color-ink-faint); letter-spacing: 0.06em; font-weight: 600; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; gap: var(--space-lg); }
.main-nav ul { list-style: none; display: flex; gap: var(--space-md); margin: 0; padding: 0; }
.main-nav a {
  font-size: 0.94rem;
  font-weight: 500;
  color: var(--color-ink-soft);
  position: relative;
  padding: 0.3rem 0;
  transition: color 0.25s;
}
.main-nav a:hover, .main-nav a.active { color: var(--color-primary); }
.main-nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -3px;
  height: 2px;
  background: var(--color-wood);
  border-radius: 2px;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span { width: 24px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: all 0.3s; }

/* ---------- Hero ---------- */
.hero {
  min-height: 92vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  color: #fff;
  overflow: hidden;
  padding-bottom: var(--space-xl);
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.06);
}
.hero-bg::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(17,26,20,0.25) 0%, rgba(17,26,20,0.15) 40%, rgba(17,26,20,0.82) 100%);
}
.hero-content { position: relative; max-width: 760px; }
.hero-content .eyebrow { color: var(--color-wood-pale); }
.hero-content .eyebrow::before { background: var(--color-wood-pale); }
.hero h1 { color: #fff; }
.hero p.lead { color: rgba(255,255,255,0.86); }
.hero-actions { display: flex; gap: 1rem; margin-top: var(--space-sm); flex-wrap: wrap; }

.page-hero {
  min-height: 52vh;
  display: flex;
  align-items: flex-end;
  position: relative;
  color: #fff;
  padding-bottom: var(--space-lg);
  margin-bottom: var(--space-xl);
}
.page-hero .hero-content { max-width: 640px; }

/* ---------- Cards / Grids ---------- */
.grid { display: grid; gap: var(--space-md); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.4s var(--ease), box-shadow 0.4s var(--ease);
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
.card-img { aspect-ratio: 4/3; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s var(--ease); }
.card:hover .card-img img { transform: scale(1.07); }
.card-body { padding: var(--space-sm); }
.card-body h3 { margin-bottom: 0.4rem; }
.card-body p { margin-bottom: 0; font-size: 0.95rem; }

/* ---------- Split section ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: center;
}
.split img { border-radius: var(--radius-lg); box-shadow: var(--shadow-md); }
.split-reverse { direction: rtl; }
.split-reverse > * { direction: ltr; }

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-md);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  padding: var(--space-lg) 0;
}
.stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 3.5vw, 3.2rem);
  color: var(--color-primary);
  display: block;
}
.stat-label { font-size: 0.85rem; color: var(--color-ink-faint); text-transform: uppercase; letter-spacing: 0.06em; }

/* ---------- Reveal on scroll ---------- */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity 0.9s var(--ease), transform 0.9s var(--ease); }
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Gallery ---------- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: var(--space-lg);
}
.filter-btn {
  padding: 0.55em 1.3em;
  border-radius: 999px;
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-ink-soft);
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.filter-btn:hover { border-color: var(--color-primary); }
.filter-btn.active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

.masonry {
  columns: 4 240px;
  column-gap: var(--space-sm);
}
.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-sm);
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: zoom-in;
  position: relative;
  box-shadow: var(--shadow-sm);
  background: var(--color-bg-alt);
}
.masonry-item img { width: 100%; display: block; transition: transform 0.6s var(--ease); }
.masonry-item:hover img { transform: scale(1.05); }
.masonry-item .tag {
  position: absolute; top: 10px; left: 10px;
  background: rgba(28,36,32,0.72);
  color: #fff;
  font-size: 0.72rem;
  padding: 0.3em 0.8em;
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

/* ---------- Offer cards (Fischangebot) ---------- */
.offer-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
}
.offer-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: var(--space-xs); flex-wrap: wrap; gap: 0.5rem; }
.price-badge {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-wood);
  white-space: nowrap;
}
.price-badge.sold { color: var(--color-ink-faint); font-family: var(--font-body); font-weight: 600; font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.04em; }
.size-tag { font-size: 0.85rem; color: var(--color-ink-faint); }

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed; inset: 0;
  background: rgba(17, 22, 19, 0.94);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: var(--space-md);
}
.lightbox.is-open { display: flex; }
.lightbox img { max-height: 88vh; max-width: 92vw; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); }
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  width: 46px; height: 46px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  font-size: 1.2rem;
  transition: background 0.25s;
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover { background: rgba(255,255,255,0.25); }
.lightbox-close { top: var(--space-md); right: var(--space-md); }
.lightbox-prev { left: var(--space-md); top: 50%; transform: translateY(-50%); }
.lightbox-next { right: var(--space-md); top: 50%; transform: translateY(-50%); }

/* ---------- CTA banner ---------- */
.cta-banner {
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.82); max-width: 40em; margin-left: auto; margin-right: auto; }
.cta-actions { display: flex; gap: 1rem; justify-content: center; margin-top: var(--space-sm); flex-wrap: wrap; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-xl); }
.contact-card {
  background: var(--color-surface);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--space-sm);
}
.contact-card h3 { margin-bottom: 0.3rem; }
.contact-row { display: flex; gap: 0.9rem; align-items: flex-start; margin-bottom: 0.9rem; }
.contact-row .ico { width: 20px; color: var(--color-wood); flex-shrink: 0; margin-top: 3px; }
.map-frame { border-radius: var(--radius-md); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--color-line); }
.map-frame iframe { width: 100%; height: 420px; border: 0; display: block; }

form.contact-form { display: grid; gap: 1rem; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.contact-form label { font-size: 0.85rem; font-weight: 600; color: var(--color-ink-soft); margin-bottom: 0.35rem; display: block; }
.contact-form input, .contact-form select, .contact-form textarea {
  width: 100%;
  padding: 0.85em 1em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-line);
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-ink);
}
.contact-form input:focus, .contact-form select:focus, .contact-form textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-pale);
}
.form-note { font-size: 0.8rem; color: var(--color-ink-faint); }

/* ---------- Video grid ---------- */
.video-card { position: relative; border-radius: var(--radius-md); overflow: hidden; background: #000; box-shadow: var(--shadow-sm); }
.video-card video { width: 100%; display: block; aspect-ratio: 16/10; object-fit: cover; }
.video-card figcaption { padding: 0.9rem 1.1rem; background: var(--color-surface); font-size: 0.92rem; font-weight: 600; color: var(--color-ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.82);
  padding: var(--space-xl) 0 var(--space-md);
  margin-top: var(--space-xl);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--space-lg); margin-bottom: var(--space-lg); }
.site-footer h4 { color: #fff; font-family: var(--font-body); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 1rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.6rem; }
.site-footer a { color: rgba(255,255,255,0.75); font-size: 0.92rem; transition: color 0.2s; }
.site-footer a:hover { color: #fff; }
.site-footer p { color: rgba(255,255,255,0.7); }
.footer-brand { font-family: var(--font-display); font-size: 1.4rem; color: #fff; margin-bottom: 0.8rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: var(--space-sm);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.6);
}
.social-row { display: flex; gap: 0.7rem; margin-top: 1rem; }
.social-row a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.25);
  display: flex; align-items: center; justify-content: center;
}
.social-row a:hover { background: rgba(255,255,255,0.12); }

/* ---------- Notice / manual completion ---------- */
.notice {
  background: var(--color-wood-pale);
  border: 1px solid var(--color-wood);
  color: #5c3d1f;
  border-radius: var(--radius-sm);
  padding: 1rem 1.2rem;
  font-size: 0.92rem;
  margin: var(--space-sm) 0;
}
.notice strong { color: #4a3016; }

/* ---------- Legal pages ---------- */
.legal-content h2 { margin-top: var(--space-lg); font-size: 1.5rem; }
.legal-content h3 { margin-top: var(--space-md); font-size: 1.1rem; }
.legal-content p, .legal-content li { color: var(--color-ink-soft); font-size: 0.98rem; }
.legal-content { max-width: 800px; }

/* ---------- Responsive ---------- */
@media (max-width: 980px) {
  .main-nav ul { display: none; }
  .nav-toggle { display: flex; }
  .split, .contact-grid, .footer-grid { grid-template-columns: 1fr; gap: var(--space-md); }
  .split-reverse { direction: ltr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .masonry { columns: 2 180px; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .grid-3, .grid-4, .grid-2 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  section { padding: var(--space-lg) 0; }
  .hero { min-height: 100vh; }
  .footer-grid { grid-template-columns: 1fr; }
}

/* Mobile nav panel */
.mobile-nav {
  position: fixed; inset: 0;
  background: var(--color-bg);
  z-index: 99;
  display: none;
  flex-direction: column;
  padding: 6rem var(--space-md) var(--space-md);
}
.mobile-nav.is-open { display: flex; }
.mobile-nav ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 1.5rem; }
.mobile-nav a { font-family: var(--font-display); font-size: 1.8rem; color: var(--color-primary); }