:root {
  --primary: #0a192f;
  --secondary: #112240;
  --accent: #64ffda;
  --accent-dark: #52d1a6;
  --water-blue: #0ea5e9;
  --text: #e6f1ff;
  --muted: #9fb3c8;
  --card: rgba(17, 34, 64, 0.78);
  --border: rgba(100, 255, 218, 0.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--primary);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 5vw, 72px);
  background: rgba(10, 25, 47, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}
.logo { display: flex; align-items: center; gap: 12px; font-weight: 800; }
.logo-mark {
  width: 42px; height: 42px; border-radius: 50%;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--accent), var(--water-blue));
  color: #03101f;
}
.nav { display: flex; gap: 24px; color: var(--muted); font-weight: 600; }
.nav a:hover, .footer a:hover { color: var(--accent); }
.header-cta { padding: 10px 16px; border: 1px solid var(--accent); border-radius: 999px; color: var(--accent); font-weight: 700; }

.hero {
  min-height: 86vh;
  position: relative;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(3,16,31,.92) 0%, rgba(3,16,31,.72) 48%, rgba(3,16,31,.45) 100%),
    radial-gradient(circle at 70% 20%, rgba(100,255,218,0.18), transparent 30%),
    url("../images/bissfabrik/hero-boot.jpg") center center / cover no-repeat,
    linear-gradient(135deg, #0a192f 0%, #1e3a8a 50%, #0ea5e9 100%);
}
.hero:after {
  content: "";
  position: absolute;
  inset: auto -10% -20% -10%;
  height: 300px;
  background: rgba(10,25,47,0.35);
  filter: blur(45px);
}
.hero-content { position: relative; z-index: 2; max-width: 980px; padding: 96px 24px; text-align: center; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: 0.18em; font-weight: 800; font-size: 0.78rem; }
h1 { font-size: clamp(3rem, 8vw, 6.8rem); line-height: 0.9; margin: 16px 0; letter-spacing: -0.07em; text-shadow: 0 8px 24px rgba(0,0,0,0.35); }
h2 { font-size: clamp(2rem, 4vw, 3.4rem); line-height: 1; margin: 10px 0 20px; letter-spacing: -0.05em; }
h3 { margin: 0 0 12px; font-size: 1.18rem; }
p { color: var(--muted); line-height: 1.75; }
.hero-text { max-width: 680px; margin: 0 auto 28px; font-size: 1.2rem; }
.hero-actions, .trust-row { display: flex; justify-content: center; flex-wrap: wrap; gap: 14px; }
.btn {
  display: inline-flex; justify-content: center; align-items: center;
  min-height: 48px; padding: 0 22px; border-radius: 999px;
  font-weight: 800; transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #03101f; }
.btn-secondary { border: 1px solid var(--border); color: var(--text); background: rgba(255,255,255,0.04); }
.trust-row { margin-top: 34px; }
.trust-row span { border: 1px solid var(--border); border-radius: 999px; padding: 10px 14px; color: var(--text); background: rgba(10,25,47,.45); }

.section { padding: 96px clamp(18px, 5vw, 72px); max-width: 1280px; margin: 0 auto; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.feature-card, .tour-card, .contact-card, .step {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 26px;
  padding: 26px;
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
}
.dark-section { max-width: none; background: linear-gradient(180deg, rgba(17,34,64,.7), rgba(10,25,47,1)); }
.dark-section > * { max-width: 1280px; margin-left: auto; margin-right: auto; }
.cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 22px; margin-top: 28px; }
.tour-card { transition: transform .25s ease, box-shadow .25s ease; }
.tour-card:hover { transform: translateY(-8px); box-shadow: 0 24px 60px rgba(0,0,0,.28); }
.highlighted { border-color: rgba(100,255,218,.55); background: rgba(17, 34, 64, .95); }
.tag { display: inline-block; padding: 7px 11px; border-radius: 999px; background: rgba(100,255,218,.12); color: var(--accent); font-weight: 800; font-size: .82rem; margin-bottom: 18px; }
.price { font-size: 2rem; color: var(--text); font-weight: 900; margin: 6px 0 14px; }
ul { padding-left: 20px; color: var(--muted); line-height: 1.9; }
.card-link { display: inline-block; margin-top: 18px; color: var(--accent); font-weight: 900; }
.small-note { margin-top: 26px; font-size: .92rem; }
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; margin-top: 28px; }
.step span { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--accent); color: #03101f; font-weight: 900; margin-bottom: 18px; }
.quote-section { padding-top: 40px; padding-bottom: 40px; }
blockquote { font-size: clamp(1.7rem, 3vw, 3rem); line-height: 1.15; letter-spacing: -0.04em; margin: 0; color: var(--text); }
.contact-section { display: grid; grid-template-columns: 1fr 420px; gap: 42px; align-items: center; }
.contact-card { display: grid; gap: 14px; }
.full { width: 100%; }
.footer {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 34px clamp(18px, 5vw, 72px);
  border-top: 1px solid var(--border);
  color: var(--muted);
}
.footer div { display: flex; gap: 18px; }

.gallery-section { text-align: left; }
.gallery-subtitle { max-width: 680px; margin: 0 0 36px; font-size: 1.05rem; }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
  margin-top: 8px;
}
.gallery-card {
  position: relative;
  margin: 0;
  border-radius: 26px;
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 18px 50px rgba(0,0,0,.18);
  transition: transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.gallery-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 60px rgba(0,0,0,.32);
  border-color: rgba(100,255,218,.45);
}
.gallery-media {
  position: relative;
  aspect-ratio: 1 / 1;
  width: 100%;
  background:
    radial-gradient(circle at 30% 20%, rgba(100,255,218,0.18), transparent 55%),
    linear-gradient(135deg, #0a192f 0%, #1e3a8a 55%, #0ea5e9 100%);
  transition: transform .5s ease, filter .35s ease;
}
.gallery-media img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: contain;
  background: #02070d;
}
.gallery-card:nth-child(2n) .gallery-media {
  background:
    radial-gradient(circle at 70% 30%, rgba(14,165,233,0.22), transparent 55%),
    linear-gradient(150deg, #0a192f 0%, #112240 50%, #1e3a8a 100%);
}
.gallery-card:nth-child(3n) .gallery-media {
  background:
    radial-gradient(circle at 50% 80%, rgba(100,255,218,0.18), transparent 55%),
    linear-gradient(160deg, #03101f 0%, #0a192f 50%, #112240 100%);
}
.gallery-media::before {
  content: attr(data-label);
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: .78rem;
  opacity: .7;
}
.gallery-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,25,47,0) 40%, rgba(3,16,31,.85) 100%);
  transition: opacity .35s ease;
}
.gallery-card:hover .gallery-media { transform: scale(1.06); filter: brightness(1.05); }
.gallery-card:hover .gallery-media::after { opacity: .65; }
.gallery-card figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: -0.01em;
  text-shadow: 0 4px 16px rgba(0,0,0,.45);
  transform: translateY(4px);
  opacity: .92;
  transition: transform .35s ease, opacity .35s ease;
}
.gallery-card:hover figcaption { transform: translateY(0); opacity: 1; }

@media (max-width: 1100px) {
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .gallery-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
  .gallery-media { aspect-ratio: 1 / 1; }
}
@media (max-width: 460px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .gallery-media { aspect-ratio: 4 / 3; }
}

@media (max-width: 880px) {
  .nav { display: none; }
  .header-cta { display: none; }
  .split, .contact-section { grid-template-columns: 1fr; }
  .feature-grid, .cards, .steps { grid-template-columns: 1fr; }
  .hero { min-height: 78vh; }
  .section { padding-top: 70px; padding-bottom: 70px; }
}