:root {
  --bg-primary: #0b0f19;
  --bg-secondary: #111827;
  --bg-card: rgba(30, 41, 59, 0.55);
  --bg-card-hover: rgba(30, 41, 59, 0.85);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #38bdf8;
  --accent-secondary: #818cf8;
  --border-color: rgba(148, 163, 184, 0.14);
  --border-hover: rgba(56, 189, 248, 0.4);
  --radius-lg: 16px;
  --radius-md: 12px;
  --max-width: 980px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 15% 15%, rgba(56, 189, 248, 0.08), transparent 40%),
    radial-gradient(circle at 85% 80%, rgba(129, 140, 248, 0.08), transparent 40%),
    var(--bg-primary);
}

a {
  color: var(--accent);
  text-decoration: none;
  transition: color 0.2s ease, opacity 0.2s ease;
}

a:hover {
  color: #7dd3fc;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(11, 15, 25, 0.8);
  border-bottom: 1px solid var(--border-color);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.25rem;
}

.brand {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  font-size: 0.92rem;
}

.nav-links a {
  color: var(--text-secondary);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--text-primary);
}

/* Main Content */
main {
  flex: 1;
}

/* Hero Section */
.hero {
  padding: 5.5rem 0 3.5rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  margin-bottom: 1.5rem;
}

.badge-pulse {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #34d399;
}

.hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.4rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.gradient-text {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--text-secondary);
  max-width: 660px;
  margin-bottom: 2.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-secondary));
  color: #0b0f19;
}

.btn-primary:hover {
  color: #0b0f19;
  opacity: 0.92;
  transform: translateY(-1px);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  color: var(--text-primary);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

/* Section & Cards */
.section {
  padding: 3rem 0;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 0.98rem;
  margin-bottom: 2rem;
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.65rem;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 10px;
  background: rgba(56, 189, 248, 0.12);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.card h3 {
  font-size: 1.12rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.card p {
  color: var(--text-secondary);
  font-size: 0.93rem;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: 1.1rem;
}

.tag {
  font-size: 0.75rem;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.12);
}

/* Info Box */
.info-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.info-panel h2 {
  font-size: 1.3rem;
}

.info-panel p {
  color: var(--text-secondary);
}

/* Legal Pages (Impressum & Datenschutz) */
.legal-content {
  padding: 3.5rem 0 4.5rem;
}

.legal-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
}

.legal-card h1 {
  font-size: 2rem;
  margin-bottom: 0.5rem;
  letter-spacing: -0.02em;
}

.legal-meta {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border-color);
}

.legal-card h2 {
  font-size: 1.25rem;
  margin-top: 2rem;
  margin-bottom: 0.65rem;
  color: var(--text-primary);
}

.legal-card h3 {
  font-size: 1.05rem;
  margin-top: 1.35rem;
  margin-bottom: 0.45rem;
  color: var(--text-primary);
}

.legal-card p,
.legal-card ul {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  font-size: 0.96rem;
}

.legal-card ul {
  padding-left: 1.4rem;
}

.legal-card li {
  margin-bottom: 0.4rem;
}

.address-block {
  background: rgba(15, 23, 42, 0.6);
  border-left: 3px solid var(--accent);
  padding: 1rem 1.25rem;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: 1rem 0 1.5rem;
  color: var(--text-primary);
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-color);
  padding: 2rem 0;
  margin-top: 3rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.footer-links {
  display: flex;
  gap: 1.5rem;
}

.footer-links a {
  color: var(--text-secondary);
}

.footer-links a:hover {
  color: var(--accent);
}

@media (max-width: 640px) {
  .hero {
    padding: 3.5rem 0 2.5rem;
  }
  .legal-card {
    padding: 1.5rem;
  }
  .header-inner {
    height: auto;
    padding: 0.9rem 0;
    flex-direction: column;
    gap: 0.65rem;
  }
}


/* Forms, Consent Banner & Legal Confirmation Boxes */
.legal-form {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  margin-top: 1.25rem;
}

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

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form-group label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-control {
  background: rgba(15, 23, 42, 0.75);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 0.7rem 0.95rem;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-control:focus {
  border-color: var(--accent);
}

.form-hint {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.consent-check-label {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
  cursor: pointer;
}

.consent-check-label input[type="checkbox"] {
  margin-top: 0.28rem;
  accent-color: var(--accent);
}

.parental-alert {
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid rgba(245, 158, 11, 0.35);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.btn-danger {
  background: #ef4444;
  color: #ffffff;
  border: none;
  cursor: pointer;
}

.btn-danger:hover {
  background: #dc2626;
  color: #ffffff;
}

.confirmation-box {
  margin-top: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  background: rgba(16, 185, 129, 0.1);
  border: 1px solid rgba(16, 185, 129, 0.35);
}

.protocol-pre {
  background: rgba(11, 15, 25, 0.85);
  padding: 1rem;
  border-radius: 8px;
  font-size: 0.82rem;
  overflow-x: auto;
  margin: 0.85rem 0 1.25rem;
  color: #e2e8f0;
  border: 1px solid var(--border-color);
}

.consent-banner {
  position: fixed;
  bottom: 1.25rem;
  left: 50%;
  transform: translateX(-50%);
  width: min(92vw, 760px);
  z-index: 999;
  background: rgba(17, 24, 39, 0.97);
  border: 1px solid var(--border-hover);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(16px);
}

.consent-inner h3 {
  font-size: 1.15rem;
  margin-bottom: 0.5rem;
}

.consent-inner p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.consent-checks {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.consent-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: flex-end;
}

.mt-2 {
  margin-top: 0.75rem;
}