/* Geissmann Webconsulting — Landing */
:root {
  --bg: #000000;
  --bg-soft: #0d0d0d;
  --text: #f5f5f5;
  --muted: #a0a0a8;
  --accent: #ffffff;
  --border: #1f1f24;
  --radius: 16px;
  --max: 1100px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header — weiss mit schwarzen Verläufen oben/unten */
.site-header {
  width: 100%;
  background: #000;
}
.site-header__fade {
  height: 90px;
  width: 100%;
}
.site-header__fade--top {
  background: linear-gradient(to bottom, #000 0%, #fff 100%);
}
.site-header__fade--bottom {
  background: linear-gradient(to bottom, #fff 0%, #000 100%);
}
.site-header__white {
  background: #fff;
  padding: 2rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
}
.site-header__logo {
  max-width: 320px;
  width: 100%;
  height: auto;
  display: block;
}

/* Hero — komplett schwarz */
.hero {
  background: #000;
  padding: 4rem 0 5rem;
  text-align: center;
}
.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}
.hero__logo {
  max-width: 480px;
  width: 100%;
  height: auto;
  display: block;
}
.hero__lead {
  margin: 0;
  max-width: 640px;
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.7;
}

/* Brands */
.brands {
  background: #000;
  padding: 3rem 0 6rem;
}
.brands__title {
  margin: 0 0 2.5rem;
  text-align: center;
  font-size: 1.75rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: #fff;
}

.brand-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.brand-card {
  position: relative;
  display: block;
  min-height: 280px;
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: #fff;
  isolation: isolate;
  transition: transform .25s ease, box-shadow .25s ease;
  border: 1px solid var(--border);
}
.brand-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,.6);
}

.brand-card__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  transition: transform .4s ease;
}
.brand-card:hover .brand-card__bg {
  transform: scale(1.05);
}

.brand-card__content {
  position: relative;
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 280px;
  background: linear-gradient(to top, rgba(0,0,0,.85) 0%, rgba(0,0,0,.4) 60%, rgba(0,0,0,.1) 100%);
}

.brand-card__logo {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -.02em;
  margin-bottom: .75rem;
}
.brand-card__logo span {
  font-weight: 300;
  opacity: .75;
}

.brand-card__text {
  margin: 0 0 1.25rem;
  font-size: .95rem;
  line-height: 1.55;
  color: rgba(255,255,255,.9);
}

.brand-card__cta {
  font-size: .9rem;
  font-weight: 600;
  letter-spacing: .02em;
  opacity: .9;
}

/* Brand-individuelle Hintergründe */
.brand-card--ero-page .brand-card__bg {
  background:
    radial-gradient(circle at 20% 20%, #ff3b6b 0%, transparent 55%),
    radial-gradient(circle at 80% 80%, #6b1d3a 0%, transparent 60%),
    linear-gradient(135deg, #2a0a18 0%, #4a0f24 100%);
}
.brand-card--ero-blog .brand-card__bg {
  background:
    radial-gradient(circle at 70% 30%, #b8336a 0%, transparent 55%),
    radial-gradient(circle at 20% 80%, #3d1138 0%, transparent 60%),
    linear-gradient(135deg, #1a0a1f 0%, #3a1438 100%);
}
.brand-card--contactguard .brand-card__bg {
  background:
    radial-gradient(circle at 30% 30%, #1e90ff 0%, transparent 55%),
    radial-gradient(circle at 80% 70%, #0a3a6b 0%, transparent 60%),
    linear-gradient(135deg, #061226 0%, #0d2747 100%);
}
.brand-card--datehub .brand-card__bg {
  background:
    radial-gradient(circle at 25% 75%, #9b5cff 0%, transparent 55%),
    radial-gradient(circle at 75% 25%, #ff6ec4 0%, transparent 55%),
    linear-gradient(135deg, #1a0a2e 0%, #2d1454 100%);
}

/* Footer */
.footer {
  padding: 2rem 0 2.5rem;
  background: #000;
  border-top: 1px solid var(--border);
  text-align: center;
  font-size: .9rem;
  color: var(--muted);
}
.footer nav a {
  color: var(--muted);
  text-decoration: none;
  margin: 0 .35rem;
}
.footer nav a:hover { color: #fff; }
.footer .copy { margin: .5rem 0 0; }

/* Sections (Sub-pages: Impressum / Datenschutz) */
.section {
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border);
}
.section:last-of-type { border-bottom: none; }
.section h2 { margin-top: 0; font-size: 1.5rem; letter-spacing: -.01em; }
.section h3 { margin-top: 1.5rem; font-size: 1.1rem; }
.section a { color: #fff; }

/* Mobile / Responsive */
@media (max-width: 900px) {
  .brand-cards { grid-template-columns: 1fr; }
  .site-header__fade { height: 60px; }
  .site-header__white { padding: 1.5rem 1rem; }
  .site-header__logo { max-width: 240px; }
  .hero { padding: 3rem 0 4rem; }
  .hero__logo { max-width: 360px; }
  .hero__lead { font-size: 1rem; }
  .brands { padding: 2rem 0 4rem; }
  .brands__title { font-size: 1.5rem; margin-bottom: 2rem; }
}

@media (max-width: 480px) {
  .container { padding: 0 1rem; }
  .site-header__fade { height: 40px; }
  .site-header__white { padding: 1.25rem 1rem; }
  .site-header__logo { max-width: 200px; }
  .hero { padding: 2.5rem 0 3rem; }
  .hero__inner { gap: 1.5rem; }
  .hero__logo { max-width: 280px; }
  .hero__lead { font-size: .95rem; }
  .brands__title { font-size: 1.35rem; }
  .brand-card, .brand-card__content { min-height: 240px; }
  .brand-card__content { padding: 1.5rem; }
  .brand-card__logo { font-size: 1.5rem; }
  .brand-card__text { font-size: .9rem; }
}