:root {
  --navy: #003366;
  --blue: #0b5fa8;
  --sky: #00a4d6;
  --yellow: #ffdd00;
  --bg: #f4f7fb;
  --text: #152033;
  --muted: #5b6982;
  --card: #ffffff;
  --line: #dbe5f2;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(0, 51, 102, 0.12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: var(--sky); text-decoration: none; }
a:hover { color: var(--navy); }

.wrap { width: min(1120px, calc(100% - 2.5rem)); margin: 0 auto; }

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(0, 30, 60, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.nav-logo img { height: 34px; }
.nav-links {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: rgba(255, 255, 255, 0.85);
  font-weight: 600;
  font-size: 0.9rem;
  padding: 8px 10px;
  border-radius: 8px;
}
.nav-links a:hover { background: rgba(255, 255, 255, 0.12); color: var(--yellow); }

.hero {
  min-height: 100svh;
  padding: 110px 0 70px;
  background: linear-gradient(140deg, #00152d 0%, #003366 55%, #056196 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: url('../img/hero-01-24.jpg') center/cover no-repeat;
  opacity: 0.14;
}
.hero-content { position: relative; z-index: 1; max-width: 760px; }
.badge {
  display: inline-block;
  background: rgba(255, 221, 0, 0.16);
  border: 1px solid rgba(255, 221, 0, 0.45);
  color: var(--yellow);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.hero h1 {
  margin: 14px 0;
  line-height: 1.15;
  font-size: clamp(2rem, 5vw, 4rem);
}
.hero p { max-width: 620px; color: rgba(255, 255, 255, 0.88); }
.hero-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.hero-cell {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 221, 0, 0.24);
  border-radius: 10px;
  padding: 12px;
}
.hero-cell small { display: block; color: rgba(255, 255, 255, 0.65); text-transform: uppercase; font-size: 0.68rem; }
.hero-cell strong { display: block; margin-top: 4px; color: #fff; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.countdown {
  margin-top: 16px;
  padding: 12px;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.24);
  border: 1px solid rgba(255, 221, 0, 0.32);
  max-width: 620px;
}
.countdown-title {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.7px;
  color: rgba(255, 255, 255, 0.78);
  margin-bottom: 8px;
}
.countdown-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}
.countdown-cell {
  background: rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  text-align: center;
  padding: 8px 6px;
}
.countdown-cell strong {
  display: block;
  color: var(--yellow);
  font-size: 1.35rem;
  line-height: 1.1;
}
.countdown-cell span {
  display: block;
  margin-top: 3px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.72rem;
  text-transform: uppercase;
}
.countdown-note {
  margin-top: 8px;
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.82);
}
.btn {
  border: 2px solid transparent;
  border-radius: 9px;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.92rem;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-yellow { background: var(--yellow); color: var(--navy); }
.btn-yellow:hover { background: #fff; color: var(--navy); }
.btn-ghost { border-color: rgba(255, 255, 255, 0.6); color: #fff; }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

.section { padding: 78px 0; }
.section.alt { background: var(--bg); }
.h2 { margin: 0 0 10px; font-size: clamp(1.5rem, 3vw, 2.4rem); color: var(--navy); }
.lead { color: var(--muted); margin: 0 0 28px; }

.cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}
.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card h3 {
  margin: 0 0 8px;
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
}
.card p { margin: 0; }

.gallery-tabs { display: flex; gap: 8px; margin-bottom: 18px; }
.gallery-tab {
  border: 2px solid var(--line);
  background: #fff;
  color: var(--navy);
  font-weight: 700;
  border-radius: 9px;
  padding: 8px 14px;
  cursor: pointer;
}
.gallery-tab.active { background: var(--navy); color: #fff; border-color: var(--navy); }
.gallery-pane { display: none; }
.gallery-pane.active { display: block; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}
.gallery-item {
  border-radius: 10px;
  overflow: hidden;
  aspect-ratio: 4 / 3;
  position: relative;
}
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.25s ease; }
.gallery-item:hover img { transform: scale(1.06); }

.board-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 10px;
}
.board {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}
.board strong { display: block; color: var(--navy); }
.board span { color: var(--muted); font-size: 0.88rem; }

.form-wrap {
  max-width: 860px;
  margin: 0 auto;
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid-3 { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 12px; }
.fg { margin-bottom: 12px; }
.fg label { display: block; margin-bottom: 6px; font-size: 0.88rem; font-weight: 700; color: var(--navy); }
.fg input, .fg textarea {
  width: 100%;
  border: 2px solid var(--line);
  border-radius: 9px;
  padding: 10px 12px;
  font: inherit;
}
.fg input:focus, .fg textarea:focus { outline: none; border-color: var(--sky); }
.check { display: flex; align-items: flex-start; gap: 8px; margin: 10px 0 14px; color: var(--muted); font-size: 0.9rem; }

.band {
  background: linear-gradient(120deg, #002247 0%, #00447a 100%);
  color: #fff;
  text-align: center;
}
.band h2 { color: #fff; }
.band p { color: rgba(255, 255, 255, 0.85); }

.video-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 2px solid var(--line);
  border-radius: 12px;
  padding: 14px 20px;
  color: var(--navy);
  font-weight: 700;
}
.video-btn i { font-size: 1.8rem; color: #d50000; }

.impressum {
  background: #00172f;
  color: rgba(255, 255, 255, 0.88);
}
.impressum-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.impressum a { color: var(--yellow); }

.footer {
  background: #000d1b;
  color: rgba(255, 255, 255, 0.45);
  padding: 20px 0;
  font-size: 0.86rem;
}
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 12px; flex-wrap: wrap; }
.footer-links a { color: rgba(255, 255, 255, 0.62); }

@media (max-width: 1024px) {
  .hero-grid, .cards, .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .board-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 700px) {
  .nav-links { display: none; }
  .hero-grid, .cards, .gallery-grid, .board-grid, .form-grid, .form-grid-3, .impressum-grid { grid-template-columns: 1fr; }
  .countdown-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}