/* Datei: base.css. Definiert Variablen, Typografie, Raster und globale Hilfsklassen fuer alle Seiten. */
:root {
  --page-bg: #070a12;
  --surface: rgba(255, 255, 255, 0.06);
  --surface-strong: rgba(255, 255, 255, 0.1);
  --surface-dark: #0b1220;
  --text-main: #edf3ff;
  --text-muted: rgba(237, 243, 255, 0.72);
  --border-soft: rgba(237, 243, 255, 0.12);
  --brand: #7c3aed;
  --brand-dark: #4f46e5;
  --accent: #22d3ee;
  --success: #10b981;
  --shadow-soft: 0 34px 90px rgba(0, 0, 0, 0.55);
  --shadow-card: 0 18px 46px rgba(0, 0, 0, 0.38);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --container: 1180px;
}

html {
  background: var(--page-bg);
  color: var(--text-main);
}

body {
  background:
    radial-gradient(circle at 12% 12%, rgba(34, 211, 238, 0.22), transparent 34%),
    radial-gradient(circle at 88% 18%, rgba(124, 58, 237, 0.28), transparent 40%),
    radial-gradient(circle at 22% 88%, rgba(16, 185, 129, 0.16), transparent 44%),
    radial-gradient(circle at 76% 78%, rgba(79, 70, 229, 0.18), transparent 42%),
    linear-gradient(180deg, #050710 0%, #070a12 45%, #04050c 100%);
  color: var(--text-main);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.6;
}

main {
  overflow: clip;
}

.container {
  width: min(calc(100% - 32px), var(--container));
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-tight {
  padding: 48px 0 88px;
}

.surface-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(18px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-height: 38px;
  padding: 0 16px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(34, 211, 238, 0.2);
  color: var(--text-main);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

h1,
h2,
h3,
h4 {
  letter-spacing: -0.03em;
  line-height: 1.08;
}

h1 {
  font-size: clamp(3rem, 7vw, 5.6rem);
}

h2 {
  font-size: clamp(2.1rem, 4vw, 3.4rem);
}

h3 {
  font-size: clamp(1.3rem, 2.5vw, 1.85rem);
}

p,
li {
  color: var(--text-muted);
  font-size: 1.02rem;
}

.lede {
  font-size: clamp(1.08rem, 2vw, 1.24rem);
  max-width: 62ch;
}

.section-heading {
  display: grid;
  gap: 18px;
  margin-bottom: 34px;
}

.two-column {
  display: grid;
  gap: 28px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.three-column {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-auto {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.stack-sm {
  display: grid;
  gap: 14px;
}

.stack-md {
  display: grid;
  gap: 22px;
}

.stack-lg {
  display: grid;
  gap: 36px;
}

.muted {
  color: var(--text-muted);
}

.accent {
  color: var(--accent);
}

.divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(237, 243, 255, 0.22), transparent);
}

.pill-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill-list span {
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(237, 243, 255, 0.92);
  font-size: 0.94rem;
  font-weight: 500;
}

.image-frame {
  overflow: hidden;
  border-radius: var(--radius-xl);
  border: 1px solid rgba(237, 243, 255, 0.14);
  background:
    radial-gradient(circle at 20% 18%, rgba(34, 211, 238, 0.18), transparent 46%),
    radial-gradient(circle at 82% 32%, rgba(124, 58, 237, 0.18), transparent 52%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  box-shadow: var(--shadow-soft);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(1.12) contrast(1.04);
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .section {
    padding: 72px 0;
  }

  .section-tight {
    padding: 40px 0 72px;
  }

  .two-column,
  .three-column {
    grid-template-columns: 1fr;
  }
}