/* --- Header Actions & Language Switch --- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem; /* Abstand zwischen Globus und Button */
}

.lang-switch {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: #cbd5e1;
  font-size: 0.875rem;
  font-weight: 600;
  transition: color 0.2s ease;
  text-decoration: none;
}

.lang-switch:hover {
  color: #60a5fa; /* Das Blau deiner AICAS-Marke */
}

/* Mobile Anpassung: Blendet die Header-Nav aus, lässt aber Actions nebeneinander */
@media (max-width: 767px) {
  .header-actions {
    gap: 0.75rem;
  }
  .lang-switch span {
    display: none; /* Versteckt "EN" auf kleinen Bildschirmen, zeigt nur den Globus */
  }
}

/* --- Reset & Base --- */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: #f8fafc;
  color: #1e293b;
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

a { text-decoration: none; }
ul { list-style: none; }

/* --- Container & Layout --- */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
}
.max-w-5xl { max-width: 1024px; margin: 0 auto; }
.max-w-4xl { max-width: 896px; margin: 0 auto; }
.text-center { text-align: center; }
.border-top { border-top: 1px solid #e2e8f0; }
.bg-light { background-color: #f8fafc; }

/* --- Typografie & Farben --- */
.text-blue { color: #60a5fa; }
.text-red { color: #dc2626; }
.subtitle {
  display: block;
  color: #2563eb;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
}

/* --- Buttons --- */
.btn {
  display: inline-block;
  font-weight: 600;
  border-radius: 0.5rem;
  transition: all 0.2s ease-in-out;
  text-align: center;
}
.btn-sm { padding: 0.625rem 1.25rem; font-size: 0.875rem; }
.btn-lg { padding: 1rem 2rem; }

.btn-primary { background-color: #2563eb; color: #fff; }
.btn-primary:hover { background-color: #3b82f6; }
.btn-outline { background-color: #1e293b; color: #e2e8f0; border: 1px solid #334155; }
.btn-outline:hover { background-color: #334155; }
.btn-dark { background-color: #0f172a; color: #fff; }
.btn-dark:hover { background-color: #1e293b; }

.shadow-blue { box-shadow: 0 10px 15px -3px rgba(37, 99, 235, 0.3); }
.shadow-dark { box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3); }

/* --- Header --- */
.header {
  background-color: #0f172a;
  color: #fff;
  border-bottom: 1px solid #1e293b;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1rem;
  padding-bottom: 1rem;
}
.header-brand {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.025em;
}
.header-subtitle {
  font-size: 0.75rem;
  font-weight: 400;
  color: #94a3b8;
  margin-left: 0.5rem;
  display: none;
}
.header-nav { display: none; gap: 2rem; font-size: 0.875rem; color: #cbd5e1; }
.header-nav a:hover { color: #fff; }

/* --- Hero Section --- */
.hero-section {
  background-color: #0f172a;
  color: #fff;
  padding: 5rem 0;
  position: relative;
  background-image: linear-gradient(rgba(10, 15, 29, 0.85), rgba(10, 15, 29, 0.95)), url('/images/bg_AICAS.jpg');
  background-size: cover;
  background-position: center center;
}
.hero-content { max-width: 48rem; position: relative; z-index: 10; }
.badge {
  display: inline-block;
  background-color: rgba(30, 58, 138, 0.5);
  color: #60a5fa;
  border: 1px solid rgba(29, 78, 216, 0.5);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}
.hero-title {
  font-size: 2.25rem;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 1.5rem;
}
.hero-text {
  font-size: 1.125rem;
  color: #cbd5e1;
  margin-bottom: 2.5rem;
}
.hero-buttons { display: flex; flex-direction: column; gap: 1rem; }
.hero-features {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid #1e293b;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  font-size: 0.875rem;
  color: #94a3b8;
}
.feature-item { display: flex; align-items: center; gap: 0.5rem; }
.check { color: #60a5fa; font-weight: 700; }

/* --- Sections Allgemein --- */
.section { padding: 4rem 0; background-color: #fff; }
.section-header { text-align: center; max-width: 48rem; margin: 0 auto 3rem; }
.section-header h2 { font-size: 1.875rem; font-weight: 700; color: #0f172a; margin-bottom: 1rem; }
.section-header p { color: #475569; }
.section-header-left { max-width: 48rem; margin-bottom: 4rem; }
.section-header-left h2 { font-size: 1.875rem; font-weight: 700; color: #0f172a; margin-top: 0.5rem; }

/* --- Grids & Cards --- */
.comparison-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; max-width: 64rem; margin: 0 auto; }
.pillars-grid { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.roadmap-grid { display: grid; grid-template-columns: 1fr; gap: 1.5rem; }

.card { padding: 2rem; border-radius: 0.75rem; }
.card h3 { font-size: 1.125rem; font-weight: 700; margin-bottom: 1rem; }
.card ul { display: flex; flex-direction: column; gap: 0.75rem; font-size: 0.875rem; }

.card-light { background-color: #f8fafc; border: 1px solid #e2e8f0; color: #475569; }
.card-dark { background-color: #172554; color: #e2e8f0; box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1); }
.card-white { background-color: #fff; border: 1px solid #e2e8f0; box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.card-white h3 { color: #0f172a; margin-bottom: 0.75rem; }
.card-white p { color: #475569; font-size: 0.875rem; }
.card-light-border { background-color: #f8fafc; border: 1px solid #e2e8f0; padding: 1.5rem; }
.card-light-border h4 { font-weight: 700; color: #0f172a; margin: 0.5rem 0; }
.card-light-border p { font-size: 0.75rem; color: #475569; }

.icon-box {
  width: 3rem;
  height: 3rem;
  background-color: #dbeafe;
  color: #1d4ed8;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}
.phase { font-size: 0.75rem; font-weight: 700; color: #2563eb; text-transform: uppercase; }

/* --- Taskforce / Quote Section --- */
.taskforce-section {
  background-color: #0f172a;
  color: #fff;
  padding: 5rem 0;
  background-image: linear-gradient(rgba(10, 15, 29, 0.85), rgba(10, 15, 29, 0.95)), url('/images/bg_AICAS.jpg');
  background-size: cover;
  background-position: center;
}
.taskforce-section h2 { font-size: 1.875rem; font-weight: 700; margin: 0.75rem 0 2rem; }
.taskforce-section blockquote {
  font-size: 1.25rem;
  font-weight: 300;
  color: #cbd5e1;
  font-style: italic;
}

/* --- CTA Section --- */
.cta-section { background-color: #2563eb; color: #fff; padding: 5rem 0; }
.cta-section h2 { font-size: 1.875rem; font-weight: 700; margin-bottom: 1.5rem; }
.cta-section p { color: #dbeafe; font-size: 1.125rem; margin-bottom: 2.5rem; max-width: 42rem; margin-left: auto; margin-right: auto; }

/* --- Footer --- */
.footer { background-color: #020617; color: #64748b; padding: 2rem 0; font-size: 0.75rem; text-align: center; }
.footer-container { display: flex; flex-direction: column; gap: 1rem; align-items: center; }
.footer p { margin-bottom: 0.5rem; }
.footer a { color: #64748b; text-decoration: underline; }
.footer-small { font-size: 11px; color: #94a3b8; }

/* --- Media Queries (Responsiveness) --- */
@media (min-width: 640px) {
  .header-subtitle { display: inline; }
  .hero-title { font-size: 3rem; }
  .hero-text { font-size: 1.25rem; }
  .hero-buttons { flex-direction: row; }
  .hero-features { grid-template-columns: repeat(3, 1fr); }
  .section-header h2, .section-header-left h2, .taskforce-section h2, .cta-section h2 { font-size: 2.25rem; }
  .taskforce-section blockquote { font-size: 1.5rem; }
  .footer-container { flex-direction: row; justify-content: space-between; }
  .footer { text-align: left; }
}

@media (min-width: 768px) {
  .header-nav { display: flex; }
  .comparison-grid, .pillars-grid { grid-template-columns: repeat(2, 1fr); }
  .roadmap-grid { grid-template-columns: repeat(4, 1fr); }
}

@media (min-width: 1024px) {
  .hero-section { padding: 7rem 0; }
  .hero-title { font-size: 3.75rem; }
  .pillars-grid { grid-template-columns: repeat(3, 1fr); }
}