/* Gemeinsames Basis-Design für Landingpage & Mainsite */

:root {
  --color-bg-body: #f8fafc;        /* slate-50 */
  --color-bg-surface: #ffffff;     /* white */
  --color-bg-dark: #020617;        /* slate-950 */
  --color-bg-dark-soft: #0f172a;   /* slate-900 */
  --color-text-main: #0f172a;      /* slate-900 */
  --color-text-muted: #64748b;     /* slate-500/600 */
  --color-primary: #0284c7;        /* sky-600 */
  --color-primary-soft: #e0f2fe;   /* sky-100 */
  --color-accent: #0ea5e9;         /* sky-500 */
  --color-border-subtle: #e2e8f0;  /* slate-200 */
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1.5rem;
  --shadow-soft: 0 10px 25px rgba(15, 23, 42, 0.06);
  --shadow-strong: 0 25px 60px rgba(15, 23, 42, 0.35);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI',
    sans-serif;
  background-color: var(--color-bg-body);
  color: var(--color-text-main);
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  max-width: 100%;
  display: block;
}

section {
  padding: 5rem 1.5rem;
}

.section--light {
  background-color: var(--color-bg-surface);
}

.section--muted {
  background-color: #f1f5f9; /* slate-100 */
}

.section--dark {
  background-color: var(--color-bg-dark-soft);
  color: #e5e7eb; /* slate-200 */
}

.container {
  max-width: 72rem; /* ~1152px */
  margin: 0 auto;
  width: 100%;
}

.hero-bg {
  background-image: radial-gradient(#cbd5e1 1px, transparent 1px);
  background-size: 32px 32px;
}

.gradient-text {
  background: linear-gradient(to right, #0f172a, #334155);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 600;
  padding: 0.9rem 1.9rem;
  font-size: 0.95rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color 150ms ease,
    color 150ms ease,
    box-shadow 150ms ease,
    transform 150ms ease,
    border-color 150ms ease;
}

.btn--primary {
  background-color: #020617; /* slate-950 */
  color: #ffffff;
  box-shadow: var(--shadow-soft);
}

.btn--primary:hover {
  background-color: #0f172a;
  box-shadow: var(--shadow-strong);
  transform: translateY(-1px);
}

.btn--ghost {
  background-color: #ffffff;
  color: #0f172a;
  border-color: #cbd5f5;
}

.btn--ghost:hover {
  background-color: #f8fafc;
  border-color: #94a3b8;
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  border-radius: 999px;
  border: 1px solid #bae6fd; /* sky-200 */
  background-color: var(--color-primary-soft);
  color: #0369a1; /* sky-700 */
  font-weight: 600;
  letter-spacing: 0.03em;
}

.card {
  background-color: var(--color-bg-surface);
  border-radius: 1.5rem;
  border: 1px solid var(--color-border-subtle);
  padding: 2rem;
  box-shadow: var(--shadow-soft);
}

.card--muted {
  background-color: #f8fafc;
  border-color: #e5e7eb;
  box-shadow: none;
}

.card--dark {
  background-color: #020617;
  border-color: #1e293b;
  color: #e5e7eb;
}

.badge-icon {
  width: 3rem;
  height: 3rem;
  border-radius: 1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.heading-xl {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  margin: 0 0 1.5rem;
}

.heading-lg {
  font-size: clamp(2rem, 3.5vw, 2.5rem);
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem;
}

.heading-md {
  font-size: 1.5rem;
  margin: 0 0 0.75rem;
}

.text-lead {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 40rem;
}

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

.text-xs {
  font-size: 0.75rem;
}

.footer {
  border-top: 1px solid var(--color-border-subtle);
  background-color: #ffffff;
  padding: 3rem 1.5rem;
  font-size: 0.85rem;
  color: #6b7280;
}

.footer__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

.nav {
  width: 100%;
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.nav__logo {
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.9rem;
  background-color: #020617;
  color: #ffffff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.nav__title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.hero-layout {
  text-align: center;
}

.hero-layout__cta {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  justify-content: center;
  align-items: center;
}

@media (min-width: 768px) {
  .hero-layout__cta {
    flex-direction: row;
  }
}

.pill-bar {
  display: inline-flex;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  border: 1px solid #bae6fd;
  background-color: var(--color-primary-soft);
  color: #0369a1;
  font-weight: 600;
  font-size: 0.8rem;
}

.pill-bar--dark {
  border-color: #1d4ed8;
  background-color: rgba(15, 23, 42, 0.6);
  color: #e0f2fe;
}

.feature-grid {
  display: grid;
  gap: 2rem;
}

@media (min-width: 768px) {
  .feature-grid--three {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 0;
}

.checklist li {
  display: flex;
  gap: 0.5rem;
  align-items: flex-start;
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.checklist li i {
  margin-top: 0.1rem;
  color: #22c55e;
}

.input,
.select {
  width: 100%;
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid #cbd5e1;
  font-size: 0.95rem;
  transition:
    border-color 150ms ease,
    box-shadow 150ms ease;
}

.input:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.7);
}

.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: 999px;
  background-color: rgba(34, 197, 94, 0.08);
  color: #4ade80;
  border: 1px solid rgba(34, 197, 94, 0.4);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, 'Liberation Mono',
    'Courier New', monospace;
  font-size: 0.75rem;
}