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

:root {
  --bg-0: #0d0f14;
  --bg-1: #141720;
  --bg-2: #1c2030;
  --bg-3: #252a3a;
  --border: #2e3450;
  --text-primary: #e8ecf5;
  --text-secondary: #8b92b0;
  --accent: #4a7cff;
  --accent-hover: #6691ff;
  --accent-dim: rgba(74, 124, 255, 0.15);
  --warning: #e8a020;
  --success: #3ecf8e;

  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
}

body { margin: 0; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ── Buttons ─────────────────────────────────────────────────────────────── */

.btn-primary {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 10px 22px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--accent-hover); }

.btn-primary.btn-large { padding: 14px 32px; font-size: 1rem; }

.btn-ghost {
  display: inline-block;
  background: transparent;
  color: var(--text-secondary);
  padding: 10px 22px;
  border-radius: 8px;
  border: 1px solid var(--border);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: border-color 0.15s, color 0.15s;
}
.btn-ghost:hover { color: var(--text-primary); border-color: var(--text-secondary); }
.btn-ghost.btn-large { padding: 14px 32px; font-size: 1rem; }

/* ── Header ──────────────────────────────────────────────────────────────── */

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(13, 15, 20, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  gap: 16px;
  height: 60px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.brand-logo { width: 28px; height: 28px; }

.brand-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.9rem;
  transition: color 0.15s;
}
.nav-link:hover { color: var(--text-primary); }

.lang-btn {
  background: var(--bg-2);
  border: 1px solid var(--border);
  color: var(--text-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: border-color 0.15s;
  margin-left: 8px;
  flex-shrink: 0;
}
.lang-btn:hover { border-color: var(--accent); color: var(--text-primary); }

/* ── Hero ────────────────────────────────────────────────────────────────── */

.hero {
  padding: 96px 0 80px;
  text-align: center;
  background: radial-gradient(ellipse 80% 60% at 50% -10%, rgba(74,124,255,0.12) 0%, transparent 70%);
}

.hero-badge {
  display: inline-block;
  background: var(--accent-dim);
  border: 1px solid rgba(74, 124, 255, 0.3);
  color: var(--accent);
  padding: 5px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--text-primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--text-secondary);
  max-width: 580px;
  margin: 0 auto 36px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 28px;
}

.hero-meta {
  display: flex;
  gap: 24px;
  justify-content: center;
  flex-wrap: wrap;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ── Section Titles ──────────────────────────────────────────────────────── */

.section-title {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 700;
  text-align: center;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}

.section-sub {
  text-align: center;
  color: var(--text-secondary);
  margin: 0 0 40px;
}

/* ── Features ────────────────────────────────────────────────────────────── */

.features {
  padding: 80px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.features .section-title { margin-bottom: 48px; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.feature-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: border-color 0.2s;
}
.feature-card:hover { border-color: rgba(74,124,255,0.4); }

.feature-icon { font-size: 1.8rem; margin-bottom: 14px; }

.feature-card h3 {
  font-size: 1rem;
  font-weight: 600;
  margin: 0 0 8px;
  color: var(--text-primary);
}

.feature-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.65;
}

/* ── Pricing ─────────────────────────────────────────────────────────────── */

.pricing { padding: 80px 0; }

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  max-width: 960px;
  margin: 0 auto;
}

.plan-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  position: relative;
}

.plan-card.plan-featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, rgba(74,124,255,0.06) 0%, var(--bg-1) 100%);
}

.plan-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 14px;
  border-radius: 12px;
}

.plan-name {
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 6px;
}

.plan-price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 10px 0 4px;
}
.plan-price span { font-size: 0.95rem; font-weight: 400; color: var(--text-secondary); }

.plan-desc {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.plan-note {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-style: italic;
  margin: 0 0 16px;
  line-height: 1.5;
}

.plan-features {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}
.plan-features li {
  font-size: 0.9rem;
  color: var(--text-secondary);
  padding: 5px 0;
  padding-left: 20px;
  position: relative;
}
.plan-features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}

.plan-btn {
  display: block;
  text-align: center;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  padding: 11px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  transition: background 0.15s;
}
.plan-btn:hover { background: var(--accent-hover); }

.plan-btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-primary);
}
.plan-btn-outline:hover { border-color: var(--accent); background: var(--accent-dim); }

/* ── FAQ ─────────────────────────────────────────────────────────────────── */

.faq {
  padding: 80px 0;
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.faq .section-title { margin-bottom: 40px; }

.faq-list {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.faq-item {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}

.faq-item summary {
  cursor: pointer;
  padding: 16px 20px;
  font-weight: 500;
  font-size: 0.95rem;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.2rem;
  color: var(--text-secondary);
  flex-shrink: 0;
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 20px 18px;
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.7;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}

/* ── CTA Banner ──────────────────────────────────────────────────────────── */

.cta-banner {
  padding: 80px 0;
  text-align: center;
  background: radial-gradient(ellipse 80% 100% at 50% 50%, rgba(74,124,255,0.1) 0%, transparent 70%);
}

.cta-banner h2 {
  font-size: clamp(1.6rem, 3.5vw, 2.2rem);
  font-weight: 700;
  margin: 0 0 12px;
  letter-spacing: -0.015em;
}

.cta-banner p {
  color: var(--text-secondary);
  margin: 0 0 28px;
  font-size: 1rem;
}

/* ── Footer ──────────────────────────────────────────────────────────────── */

.footer {
  background: var(--bg-1);
  border-top: 1px solid var(--border);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.footer-brand {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.85rem;
  transition: color 0.15s;
}
.footer-links a:hover { color: var(--text-primary); }

/* ── Language Modal ──────────────────────────────────────────────────────── */

.lang-modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.lang-modal.hidden { display: none; }

.lang-modal-inner {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 540px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.lang-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px;
  border-bottom: 1px solid var(--border);
  font-weight: 600;
}

.lang-modal-header button {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--text-secondary);
  font-size: 1.1rem;
  padding: 4px;
}

.lang-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 6px;
  padding: 16px;
  overflow-y: auto;
}

.lang-item {
  background: var(--bg-3);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 12px;
  cursor: pointer;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.15s, background 0.15s;
  color: var(--text-primary);
}
.lang-item:hover { border-color: var(--accent); background: var(--accent-dim); }
.lang-item.active { border-color: var(--accent); color: var(--accent); }

.impressum-modal-inner { max-width: 480px; }

.impressum-modal-body {
  padding: 20px 24px 24px;
  overflow-y: auto;
}

.impressum-modal-body h3 {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--text-secondary);
  margin: 20px 0 8px;
}
.impressum-modal-body h3:first-child { margin-top: 0; }

.impressum-modal-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0 0 8px;
  line-height: 1.7;
}

.impressum-modal-body a {
  color: var(--accent);
  text-decoration: none;
}
.impressum-modal-body a:hover { text-decoration: underline; }

/* ── Responsive ──────────────────────────────────────────────────────────── */

@media (max-width: 640px) {
  .header-nav .nav-link { display: none; }
  .hero { padding: 64px 0 56px; }
  .feature-grid { grid-template-columns: 1fr; }
  .plan-grid { grid-template-columns: 1fr; }
  .footer-inner { justify-content: center; text-align: center; }
}