/* ============================================================
   best-age.de - Design System
   Senior-friendly: 18px base, WCAG AAA contrast, large targets
   ============================================================ */

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

:root {
  /* Colors */
  --color-primary: #1a5c6b;
  --color-primary-dark: #0e3d48;
  --color-primary-light: #e8f4f7;
  --color-accent: #c85a2a;
  --color-accent-light: #fef3ed;
  --color-text: #1a1a1a;
  --color-text-muted: #555;
  --color-bg: #ffffff;
  --color-bg-warm: #fafaf5;
  --color-border: #ddd;
  --color-border-light: #eee;
  --color-success: #2e7d32;
  --color-success-bg: #e8f5e9;
  --color-warning: #f57c00;
  --color-warning-bg: #fff3e0;
  --color-danger: #c62828;
  --color-danger-bg: #ffebee;

  /* Typography */
  --font-body: 'Segoe UI', -apple-system, system-ui, sans-serif;
  --font-size-base: 18px;
  --font-size-small: 15px;
  --font-size-large: 22px;
  --font-size-h1: 36px;
  --font-size-h2: 28px;
  --font-size-h3: 22px;
  --line-height: 1.6;

  /* Spacing */
  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 40px;
  --space-xl: 64px;

  /* Layout */
  --max-width: 800px;
  --max-width-wide: 1000px;
  --border-radius: 12px;

  /* Targets (WCAG: min 44px, we use 56px for seniors) */
  --target-size: 56px;
}

html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: var(--line-height);
  -webkit-font-smoothing: antialiased;
}

/* --- Typography --- */
h1, h2, h3, h4 {
  line-height: 1.3;
  color: var(--color-primary-dark);
}

h1 { font-size: var(--font-size-h1); margin-bottom: var(--space-md); }
h2 { font-size: var(--font-size-h2); margin-bottom: var(--space-sm); }
h3 { font-size: var(--font-size-h3); margin-bottom: var(--space-sm); }

p {
  margin-bottom: var(--space-sm);
}

a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

a:hover {
  color: var(--color-primary-dark);
}

a:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: 4px;
}

/* --- Layout --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.container--wide {
  max-width: var(--max-width-wide);
}

.section {
  padding: var(--space-xl) 0;
}

.section--alt {
  background: var(--color-bg-warm);
}

/* --- Header --- */
.site-header {
  background: var(--color-primary-dark);
  color: white;
  padding: var(--space-sm) 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.site-logo {
  font-size: 24px;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.site-logo:hover {
  color: white;
  opacity: 0.9;
}

.site-logo span {
  color: var(--color-accent);
}

.site-nav {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.site-nav a {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  font-size: var(--font-size-small);
  transition: background 0.2s;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  background: rgba(255, 255, 255, 0.15);
  color: white;
}

/* --- Footer --- */
.site-footer {
  background: var(--color-primary-dark);
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-lg) 0;
  margin-top: var(--space-xl);
  font-size: var(--font-size-small);
}

.site-footer a {
  color: rgba(255, 255, 255, 0.85);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-lg);
}

.footer-col {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.footer-col__title {
  font-weight: 700;
  color: white;
  margin-bottom: var(--space-xs);
  font-size: var(--font-size-base);
}

.footer-col a {
  font-size: 14px;
  text-decoration: none;
  opacity: 0.8;
  transition: opacity 0.2s;
}

.footer-col a:hover {
  opacity: 1;
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: var(--space-md);
}

.footer-links {
  display: flex;
  gap: var(--space-md);
  flex-wrap: wrap;
  margin-bottom: var(--space-sm);
}

/* --- Cards --- */
.card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-md);
  transition: box-shadow 0.3s, transform 0.3s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.card:hover {
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  transform: translateY(-3px);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-md);
}

.card__title {
  font-size: var(--font-size-large);
  margin-bottom: var(--space-xs);
  color: var(--color-primary-dark);
}

.card__desc {
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--target-size);
  padding: 14px 32px;
  border: none;
  border-radius: 10px;
  font-size: var(--font-size-base);
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.2s, transform 0.1s;
  line-height: 1.3;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

.btn--primary {
  background: var(--color-primary);
  color: white;
}

.btn--primary:hover {
  background: var(--color-primary-dark);
  color: white;
}

.btn--accent {
  background: var(--color-accent);
  color: white;
}

.btn--accent:hover {
  background: #a84a22;
  color: white;
}

.btn--outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn--outline:hover {
  background: var(--color-primary-light);
}

.btn--large {
  min-height: 64px;
  padding: 18px 40px;
  font-size: var(--font-size-large);
  border-radius: 14px;
}

.btn--full {
  width: 100%;
}

/* --- Quiz / Tool Components --- */

/* Progress bar */
.progress {
  background: var(--color-border-light);
  border-radius: 100px;
  height: 12px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.progress__bar {
  background: var(--color-primary);
  height: 100%;
  border-radius: 100px;
  transition: width 0.4s ease;
}

.progress__text {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

/* Option cards (for quiz answers) */
.option-card {
  display: block;
  width: 100%;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm) var(--space-md);
  margin-bottom: var(--space-sm);
  cursor: pointer;
  text-align: left;
  font-family: inherit;
  font-size: var(--font-size-base);
  transition: border-color 0.2s, background 0.2s;
  min-height: var(--target-size);
  line-height: 1.4;
}

.option-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.option-card--selected {
  border-color: var(--color-primary);
  background: var(--color-primary-light);
  font-weight: 600;
}

.option-card__label {
  font-weight: 600;
  display: block;
}

.option-card__desc {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-top: 4px;
}

/* Result cards (Ampel) */
.result-card {
  border-radius: var(--border-radius);
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.result-card--green {
  background: var(--color-success-bg);
  border-left: 6px solid var(--color-success);
}

.result-card--yellow {
  background: var(--color-warning-bg);
  border-left: 6px solid var(--color-warning);
}

.result-card--red {
  background: var(--color-danger-bg);
  border-left: 6px solid var(--color-danger);
}

.result-card__title {
  font-size: var(--font-size-large);
  font-weight: 700;
  margin-bottom: var(--space-xs);
}

.result-card__amount {
  font-size: var(--font-size-h2);
  font-weight: 700;
  color: var(--color-success);
}

/* --- Info boxes --- */
.info-box {
  background: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--border-radius) var(--border-radius) 0;
  padding: var(--space-sm) var(--space-md);
  margin: var(--space-md) 0;
}

.info-box--warning {
  background: var(--color-warning-bg);
  border-left-color: var(--color-warning);
}

/* --- Hero Section --- */
.hero {
  text-align: center;
  padding: var(--space-xl) 0;
}

.hero h1 {
  font-size: clamp(28px, 5vw, 44px);
}

.hero__subtitle {
  font-size: var(--font-size-large);
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.stat {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-primary-light);
  border-radius: var(--border-radius);
}

.stat__number {
  font-size: var(--font-size-h1);
  font-weight: 700;
  color: var(--color-primary);
}

.stat__label {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- Disclaimer --- */
.disclaimer {
  background: var(--color-bg-warm);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--space-sm) var(--space-md);
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
  margin-top: var(--space-lg);
}

/* --- Responsive --- */
/* --- Mobile hamburger --- */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 28px;
  cursor: pointer;
  padding: 4px 8px;
  line-height: 1;
}

@media (max-width: 640px) {
  :root {
    --font-size-base: 17px;
    --font-size-h1: 28px;
    --font-size-h2: 24px;
    --space-xl: 40px;
  }

  .menu-toggle {
    display: block;
  }

  .site-header .container {
    flex-wrap: wrap;
  }

  .site-nav {
    width: 100%;
    flex-direction: column;
    gap: 0;
    display: none;
    padding-top: var(--space-xs);
  }

  .site-nav.open {
    display: flex;
  }

  .site-nav a {
    padding: 12px 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 16px;
    min-height: 48px;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

/* --- Print --- */
@media print {
  .site-header, .site-footer, .site-nav, .menu-toggle,
  .btn, button, .disclaimer, #pg-ctas, #anspruch-ctas {
    display: none !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  .card {
    box-shadow: none;
    border: 1px solid #ccc;
    break-inside: avoid;
  }

  a { color: #000; text-decoration: none; }

  .progress__bar { print-color-adjust: exact; -webkit-print-color-adjust: exact; }

  @page { margin: 2cm; }
}

/* --- Utility --- */
.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;
}

/* --- Animations --- */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in:nth-child(2) { transition-delay: 0.1s; }
.fade-in:nth-child(3) { transition-delay: 0.2s; }

/* --- Card Icons --- */
.card__icon {
  font-size: 40px;
  margin-bottom: var(--space-sm);
  display: block;
  line-height: 1;
}

/* --- Trust badges --- */
.trust-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.trust-item__icon {
  font-size: 28px;
  line-height: 1;
  flex-shrink: 0;
}

.trust-item__text {
  font-size: var(--font-size-small);
  color: var(--color-text-muted);
}

.trust-item__text strong {
  display: block;
  color: var(--color-text);
  font-size: var(--font-size-base);
}

/* --- Testimonial / Quote --- */
.quote-box {
  background: white;
  border-radius: var(--border-radius);
  padding: var(--space-md) var(--space-lg);
  border-left: 4px solid var(--color-accent);
  font-style: italic;
  font-size: var(--font-size-large);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: var(--space-lg) auto;
  line-height: 1.5;
}

.quote-box cite {
  display: block;
  font-style: normal;
  font-size: var(--font-size-small);
  margin-top: var(--space-sm);
  color: var(--color-text);
  font-weight: 600;
}

/* --- CTA Section --- */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  color: white;
  text-align: center;
  border-radius: var(--border-radius);
  padding: var(--space-lg);
}

.cta-section h2 {
  color: white;
}

.cta-section p {
  opacity: 0.9;
}

/* --- Feature list --- */
.feature-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: var(--space-sm);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: var(--font-size-base);
}

.feature-list li::before {
  content: "\2713";
  color: var(--color-success);
  font-weight: 700;
  font-size: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.text-center { text-align: center; }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }