/* ============================================================
   Startseite — Gewässergalerie
   ============================================================ */

.waters {
  padding: clamp(4.5rem, 8vw, 7rem) 1.5rem clamp(5rem, 9vw, 8rem);
  background:
    radial-gradient(54rem 30rem at 100% 0%, color-mix(in oklch, var(--blue-club) 17%, transparent), transparent 70%),
    radial-gradient(42rem 25rem at 0% 100%, color-mix(in oklch, var(--reed-deep) 16%, transparent), transparent 72%),
    var(--navy-900);
}

.waters__head {
  max-width: 760px;
  margin: 0 auto clamp(2.5rem, 5vw, 4rem);
}

.waters__head .section-title { font-size: clamp(2.7rem, 6vw, 4.4rem); }
.waters__head .section-sub { color: color-mix(in oklch, var(--text) 82%, var(--text-dim)); font-size: 1.1rem; }

.water-gallery {
  width: min(100%, 1240px);
  margin-inline: auto;
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-template-rows: 32rem 23rem;
  gap: 1rem;
}

.water-tile {
  position: relative;
  min-width: 0;
  display: block;
  overflow: hidden;
  isolation: isolate;
  border: 1px solid color-mix(in oklch, var(--text) 18%, transparent);
  border-radius: 24px;
  background: var(--navy-800);
  box-shadow: 0 22px 50px color-mix(in oklch, black 28%, transparent);
  transition: transform 0.4s var(--ease-out), border-color 0.3s ease, box-shadow 0.4s var(--ease-out);
}

.water-tile--erlensee { grid-column: 1 / 8; grid-row: 1; }
.water-tile--alter { grid-column: 1 / 7; grid-row: 2; }
.water-tile--neuer { grid-column: 7 / 13; grid-row: 2; }
.water-tile--kinzig { grid-column: 8 / 13; grid-row: 1; }

.water-tile > img {
  position: absolute;
  z-index: -2;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.025);
  transition: transform 0.8s var(--ease-out), filter 0.5s ease;
}

.water-tile--kinzig > img { object-position: 58% center; }

.water-tile__shade {
  position: absolute;
  z-index: -1;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(5, 12, 24, 0.28) 0%, rgba(5, 12, 24, 0.1) 30%, rgba(5, 12, 24, 0.92) 82%, rgba(5, 12, 24, 0.98) 100%),
    linear-gradient(90deg, rgba(5, 12, 24, 0.48), transparent 65%);
  transition: opacity 0.4s ease;
}

.water-tile__top {
  position: absolute;
  inset: 1.25rem 1.25rem auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.water-tile__no {
  display: grid;
  place-items: center;
  width: 2.55rem;
  aspect-ratio: 1;
  border: 1px solid color-mix(in oklch, white 34%, transparent);
  border-radius: 50%;
  color: white;
  background: rgba(5, 12, 24, 0.48);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  font-size: 0.78rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.water-tile__arrow {
  display: grid;
  place-items: center;
  width: 2.75rem;
  aspect-ratio: 1;
  border-radius: 50%;
  color: var(--gold-ink);
  background: var(--gold);
  font-size: 1.3rem;
  box-shadow: 0 8px 24px color-mix(in oklch, black 28%, transparent);
  transition: transform 0.35s var(--ease-out), background-color 0.25s ease;
}

.water-tile__content {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  display: grid;
  justify-items: start;
  padding: clamp(1.35rem, 3vw, 2rem);
  transition: transform 0.4s var(--ease-out);
}

.water-tile__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.75rem;
}

.water-tile__facts > span {
  padding: 0.28rem 0.65rem;
  border: 1px solid color-mix(in oklch, white 28%, transparent);
  border-radius: 999px;
  color: white;
  background: rgba(5, 12, 24, 0.56);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 0.76rem;
  font-weight: 700;
}

.water-tile__content > strong {
  color: white;
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.08;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.78);
}

.water-tile__text {
  max-width: 34rem;
  margin-top: 0.55rem;
  color: color-mix(in oklch, white 88%, var(--text-dim));
  font-size: 1.02rem;
  line-height: 1.45;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.9);
}

.water-tile:hover {
  transform: translateY(-6px);
  border-color: color-mix(in oklch, var(--gold) 55%, transparent);
  box-shadow: 0 30px 70px color-mix(in oklch, black 42%, transparent);
}

.water-tile:hover > img { transform: scale(1.09); filter: saturate(1.08) contrast(1.04); }
.water-tile:hover .water-tile__shade { opacity: 0.92; }
.water-tile:hover .water-tile__content { transform: translateY(-0.25rem); }
.water-tile:hover .water-tile__arrow { transform: translate(0.18rem, -0.18rem) rotate(4deg); background: var(--gold-strong); }

@media (max-width: 900px) {
  .water-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    grid-template-rows: 27rem 22rem 22rem;
  }

  .water-tile--erlensee { grid-column: 1 / -1; grid-row: 1; }
  .water-tile--alter { grid-column: 1; grid-row: 2; }
  .water-tile--neuer { grid-column: 2; grid-row: 2; }
  .water-tile--kinzig { grid-column: 1 / -1; grid-row: 3; }
}

@media (max-width: 620px) {
  .waters { padding-inline: 1rem; }
  .waters__head { text-align: left; }
  .waters__head .section-eyebrow { justify-content: flex-start; }
  .waters__head .section-title { font-size: clamp(2.4rem, 13vw, 3.3rem); }

  .water-gallery {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: none;
  }

  .water-tile--erlensee,
  .water-tile--alter,
  .water-tile--neuer,
  .water-tile--kinzig {
    grid-column: 1;
    grid-row: auto;
    min-height: 24rem;
  }

  .water-tile__content > strong { font-size: 2rem; }
  .water-tile__text { font-size: 0.98rem; }
}

@media (prefers-reduced-motion: reduce) {
  .water-tile:hover,
  .water-tile:hover > img,
  .water-tile:hover .water-tile__content,
  .water-tile:hover .water-tile__arrow { transform: none; }
}