/* =========================================
   site.css – Einheitliches Layout & Galerie
   ========================================= */
body {
  text-align: center;
}
:root {
  --bg: #dff5e3;
  --bg-elev: #e8f9ec;
  --surface: #f5fff7;
  --text: #20351e;
  --muted: #5a7f57;

  --brand: #8fdf70;
  --brand-2: #b9f39b;

  --ok: #5ac85a;
  --warn: #fff5a6;
  --err: #ff6b6b;

  --radius: 12px;
  --radius-sm: 8px;
  --gap: 0.9rem;
  --gap-lg: 2rem;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.12);

  --card: #17171c; /* für Galerie-Karten (Dark Mode) */
}

:root[data-theme="light"] {
  --bg: #ffffff;
  --bg-elev: #f6fff8;
  --surface: #ffffff;
  --text: #1c2d1a;
  --muted: #4f6f4c;
  --brand: #9ce57c;
  --brand-2: #d5f7c5;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

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

html,
body {
  padding: 0;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: clamp(16px, 1.6vw + 12px, 20px) / 1.6 system-ui, -apple-system,
    "Segoe UI", Roboto, Inter, Ubuntu, "Helvetica Neue", Arial, "Noto Sans";
  min-height: 100%;
}

/* Layout */
.container {
  width: min(1100px, 92vw);
  margin: 0 auto;
  padding: 2rem 0 4rem;
}
.section {
  margin: 2.2rem 0;
}
.center {
  text-align: center;
}

/* Flex & Grid */
.flex {
  display: flex;
  gap: var(--gap);
  align-items: center;
  justify-content: center;
}
.grid {
  display: grid;
  gap: var(--gap);
  justify-items: center;
}
.grid.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
.grid.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.grid.cols-4 {
  grid-template-columns: repeat(4, 1fr);
}
@media (max-width: 960px) {
  .grid.cols-4 {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .grid.cols-3,
  .grid.cols-2,
  .grid.cols-4 {
    grid-template-columns: 1fr;
  }
}

/* Header / Nav */
.header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: color-mix(in oklab, var(--bg) 80%, white 20%);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 0;
  gap: 0.5rem;
}
.brand {
  display: inline-flex;
  gap: 0.5rem;
  align-items: center;
  font-weight: 700;
  color: inherit;
  text-decoration: none;
}
.brand .dot {
  width: 0.9rem;
  height: 0.9rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 0 18px rgba(159, 239, 128, 0.45);
}
.links {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}
.links a {
  color: var(--text);
  text-decoration: none;
  padding: 0.4rem 0.6rem;
  border-radius: 8px;
}
.links a:hover {
  background: rgba(255, 255, 255, 0.45);
}
.menu-btn {
  display: none;
}

@media (max-width: 820px) {
  .links {
    position: fixed;
    inset: 60px 0 auto 0;
    background: var(--bg-elev);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: var(--shadow);
    padding: 1rem;
    transform: translateY(-120%);
    transition: transform 0.25s ease;
    flex-direction: column;
    gap: 0.5rem;
  }
  .links.open {
    transform: translateY(0);
  }
  .menu-btn {
    display: inline-flex;
  }
}

/* Hero */
.hero {
  border: 1px solid rgba(0, 0, 0, 0.08);
  border-radius: var(--radius);
  padding: 2rem;
  background: linear-gradient(180deg, var(--surface), var(--bg-elev));
  box-shadow: var(--shadow);
  text-align: center;
}

/* Card */
.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-elev));
  border: 1px solid rgba(0, 0, 0, 0.06);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  text-align: center;
}
.card .card-body {
  padding: 1rem;
}
.card h3 {
  margin: 0 0 0.25rem;
  font-size: 1.3rem;
}
.card p {
  margin: 0.25rem 0 0;
  color: var(--muted);
}

/* Buttons & Inputs */
.btn {
  appearance: none;
  border: 1px solid rgba(0, 0, 0, 0.12);
  background: linear-gradient(
    180deg,
    rgba(255, 255, 255, 0.35),
    rgba(255, 255, 255, 0.1)
  );
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: transform 0.04s ease, border-color 0.2s, background 0.2s;
  display: inline-block;
}
.btn:hover {
  border-color: var(--brand);
}
.btn:active {
  transform: translateY(1px);
}
.btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--brand), var(--brand-2));
  color: #20351e;
  font-weight: 600;
}

.input,
select {
  width: 100%;
  border: 1px solid rgba(0, 0, 0, 0.14);
  background: var(--bg-elev);
  color: var(--text);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
}

/* Galerie */
.gallery {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 var(--gap);
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--gap);
}
figure {
  margin: 0;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.35);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
figure:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.45);
}
.thumb {
  display: block;
  width: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
  background: #111;
}
figcaption {
  padding: 10px 12px;
  font-size: 0.9rem;
  color: var(--muted);
  text-align: center;
}

/* Footer */
footer {
  max-width: 1200px;
  margin: 2rem auto;
  padding: 0 var(--gap);
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 1rem;
  left: 50%;
  transform: translateX(-50%);
  background: var(--brand);
  color: #20351e;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}
.toast.show {
  opacity: 1;
}