/* ================================================================
   BEWEGUNGS-MONITOR DEUTSCHLAND — DESIGN SYSTEM
   Farb-Konzept: Medizinisch-ernst, handlungsorientiert
   Primär: Tief-Blau/Teal | Warnung: Amber/Orange | Error: Rot
   ================================================================ */

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@400;700;900&display=swap');

/* --- TOKENS --- */
:root,
[data-theme='light'] {
  --color-bg: #f4f5f7;
  --color-surface: #ffffff;
  --color-surface-2: #f8f9fb;
  --color-surface-offset: #eef0f3;
  --color-border: #d6d9de;
  --color-divider: #e2e5ea;
  --color-text: #1a1d23;
  --color-text-muted: #6b7280;
  --color-text-faint: #a8b0bb;

  --color-primary: #009ee0;
  --color-primary-hover: #007bb0;
  --color-primary-light: #d6f0fa;

  --color-teal: #0080b8;
  --color-teal-light: #cce8f5;

  --color-warning: #d97706;
  --color-warning-hover: #b45309;
  --color-warning-light: #fef3c7;

  --color-error: #b91c1c;
  --color-error-hover: #991b1b;
  --color-error-light: #fee2e2;

  --color-gold: #b45309;
  --color-gold-light: #fef3c7;

  --color-success: #065f46;
  --color-success-light: #d1fae5;

  /* Button / CTA accent */
  --color-cta: #d5172f;
  --color-cta-hover: #b01227;

  /* Chart palette */
  --chart-1: #009ee0;
  --chart-2: #d5172f;
  --chart-3: #0080b8;
  --chart-4: #b91c1c;
  --chart-5: #6d28d9;
  --chart-6: #065f46;
  --chart-7: #d97706;
  --chart-8: #374151;

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-2xl: 1.5rem;
  --transition: 180ms cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.12);

  --font-body: 'Lato', system-ui, sans-serif;
  --font-display: 'Lato', system-ui, sans-serif;

  --text-xs: clamp(0.75rem, 0.7rem + 0.2vw, 0.8rem);
  --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
  --text-lg: clamp(1rem, 0.9rem + 0.5vw, 1.25rem);
  --text-xl: clamp(1.25rem, 1rem + 1vw, 1.75rem);
  --text-2xl: clamp(1.75rem, 1.2rem + 2vw, 2.75rem);
  --text-3xl: clamp(2.25rem, 1.5rem + 3vw, 3.5rem);

  --space-1: 0.25rem; --space-2: 0.5rem; --space-3: 0.75rem;
  --space-4: 1rem; --space-5: 1.25rem; --space-6: 1.5rem;
  --space-8: 2rem; --space-10: 2.5rem; --space-12: 3rem;
  --space-16: 4rem; --space-20: 5rem; --space-24: 6rem;

  --content-default: 1140px;
}

[data-theme='dark'] {
  --color-bg: #0f1117;
  --color-surface: #161820;
  --color-surface-2: #1c1f2a;
  --color-surface-offset: #1a1d26;
  --color-border: #2e3347;
  --color-divider: #252836;
  --color-text: #e2e5ed;
  --color-text-muted: #8891a6;
  --color-text-faint: #4f5870;

  --color-primary: #3db8f5;
  --color-primary-hover: #5ec7f7;
  --color-primary-light: #0a2a40;

  --color-teal: #29aee0;
  --color-teal-light: #082030;

  --color-warning: #fbbf24;
  --color-warning-hover: #fcd34d;
  --color-warning-light: #2d2300;

  --color-error: #f87171;
  --color-error-hover: #fca5a5;
  --color-error-light: #2d1010;

  --color-gold: #d97706;
  --color-gold-light: #2d1f00;

  --color-success: #34d399;
  --color-success-light: #052e1c;

  --chart-1: #3db8f5;
  --chart-2: #ff5c6e;
  --chart-3: #29aee0;
  --chart-4: #f87171;
  --chart-5: #a78bfa;
  --chart-6: #34d399;
  --chart-7: #fbbf24;
  --chart-8: #9ca3af;

  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 32px rgba(0,0,0,0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0f1117;
    --color-surface: #161820;
    --color-surface-2: #1c1f2a;
    --color-surface-offset: #1a1d26;
    --color-border: #2e3347;
    --color-divider: #252836;
    --color-text: #e2e5ed;
    --color-text-muted: #8891a6;
    --color-text-faint: #4f5870;
    --color-primary: #4a90d9;
    --color-primary-hover: #5fa3e6;
    --color-primary-light: #1a2d45;
    --color-teal: #2ec4b6;
    --color-teal-light: #0d2e30;
    --color-warning: #fbbf24;
    --color-warning-hover: #fcd34d;
    --color-warning-light: #2d2300;
    --color-error: #f87171;
    --color-error-hover: #fca5a5;
    --color-error-light: #2d1010;
    --color-gold: #d97706;
    --color-gold-light: #2d1f00;
    --color-success: #34d399;
    --color-success-light: #052e1c;
    --chart-1: #4a90d9; --chart-2: #fbbf24; --chart-3: #2ec4b6;
    --chart-4: #f87171; --chart-5: #a78bfa; --chart-6: #34d399;
    --chart-7: #d97706; --chart-8: #9ca3af;
  }
}

/* --- RESET --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; scroll-padding-top: 80px; }
body { font-family: var(--font-body); font-size: var(--text-base); color: var(--color-text); background: var(--color-bg); line-height: 1.6; font-weight: 400; }
img, svg { display: block; max-width: 100%; }
a { color: var(--color-primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }
button { cursor: pointer; font: inherit; border: none; background: none; }
ul { list-style: none; }

/* --- CONTAINER --- */
.container { max-width: var(--content-default); margin: 0 auto; padding: 0 var(--space-8); }
@media (max-width: 768px) { .container { padding: 0 var(--space-4); } }

/* ========================================
   HEADER
   ======================================== */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  backdrop-filter: blur(12px);
}
.header-inner {
  max-width: var(--content-default);
  margin: 0 auto;
  padding: var(--space-3) var(--space-8);
  display: flex;
  align-items: center;
  gap: var(--space-6);
}
.logo-group { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; flex-shrink: 0; }
.logo-icon { width: 36px; height: 36px; color: var(--color-primary); flex-shrink: 0; }
.logo-title { display: block; font-family: var(--font-display); font-size: var(--text-base); font-weight: 900; color: var(--color-text); line-height: 1.1; letter-spacing: 0.01em; }
.logo-sub { display: block; font-size: var(--text-xs); color: var(--color-text-muted); }
.header-nav { display: flex; gap: var(--space-1); margin-left: auto; }
.header-nav a {
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  text-decoration: none;
}
.header-nav a:hover { background: var(--color-surface-offset); color: var(--color-text); }
.theme-toggle {
  width: 36px; height: 36px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-text-muted);
  transition: background var(--transition), color var(--transition);
  flex-shrink: 0;
}
.theme-toggle:hover { background: var(--color-surface-offset); color: var(--color-text); }
@media (max-width: 900px) { .header-nav { display: none; } }

/* ========================================
   HERO BAND
   ======================================== */
.hero-band {
  background: linear-gradient(135deg, #007bbf 0%, #004e7a 100%);
  padding: clamp(var(--space-12), 8vw, var(--space-20)) 0;
  color: white;
  overflow: hidden;
}
.hero-band .container { display: flex; align-items: center; gap: var(--space-12); }
.hero-content { flex: 1; min-width: 0; }
.hero-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0.02em;
  margin-bottom: var(--space-4);
  color: rgba(255,255,255,0.9);
}
.hero-title {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 900;
  line-height: 1.08;
  color: white;
  margin-bottom: var(--space-4);
  text-wrap: balance;
  letter-spacing: -0.01em;
}
.hero-title em { color: #7ec8e3; font-style: normal; }
.hero-desc { font-size: var(--text-base); color: rgba(255,255,255,0.8); max-width: 54ch; line-height: 1.7; }
.hero-alarm { flex-shrink: 0; }
.alarm-ring { position: relative; width: 180px; height: 180px; }
.ring-svg { width: 100%; height: 100%; }
.ring-progress { animation: ringFill 2s ease-out forwards; stroke-dashoffset: 326.73; }
@keyframes ringFill { to { stroke-dashoffset: 184; } }
.ring-label {
  position: absolute; inset: 0;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  text-align: center;
}
.ring-value { font-family: var(--font-display); font-size: 2.25rem; font-weight: 900; color: white; line-height: 1; }
.ring-sub { font-size: var(--text-xs); color: rgba(255,255,255,0.7); margin-top: var(--space-1); max-width: 100px; text-align: center; }
@media (max-width: 768px) { .hero-band .container { flex-direction: column; } .alarm-ring { width: 140px; height: 140px; } .ring-value { font-size: 1.75rem; } }

/* ========================================
   FILTER BAR
   ======================================== */
.filter-bar {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 61px; z-index: 90;
}
.filter-inner { display: flex; align-items: center; gap: var(--space-2); padding: var(--space-3) var(--space-8); flex-wrap: wrap; }
.filter-label { font-size: var(--text-sm); font-weight: 600; color: var(--color-text-muted); margin-right: var(--space-1); }
.filter-btn {
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full, 9999px);
  font-size: var(--text-sm); font-weight: 500;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.filter-btn:hover { background: var(--color-primary-light); color: var(--color-primary); border-color: var(--color-primary); }
.filter-btn.active { background: var(--color-cta); color: white; border-color: var(--color-cta); }
.filter-note { font-size: var(--text-xs); color: var(--color-text-faint); margin-left: auto; }
.filter-note a { color: var(--color-primary); text-decoration: underline; font-size: var(--text-xs); }
.filter-note a:hover { color: var(--color-primary-hover); }
@media (max-width: 768px) { .filter-note { display: none; } }

/* ========================================
   KPI SECTION
   ======================================== */
.kpi-section { padding: var(--space-10) 0; }
.kpi-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-5); }
@media (max-width: 900px) { .kpi-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 500px) { .kpi-grid { grid-template-columns: 1fr; } }

.kpi-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition), transform var(--transition);
  position: relative;
  overflow: hidden;
}
.kpi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.kpi-card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 3px; background: var(--color-primary); border-radius: var(--radius-xl) var(--radius-xl) 0 0; }
.kpi-icon {
  width: 40px; height: 40px;
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: var(--space-3);
}
.kpi-icon--warning { background: var(--color-warning-light); color: var(--color-warning); }
.kpi-icon--primary { background: var(--color-primary-light); color: var(--color-primary); }
.kpi-icon--error { background: var(--color-error-light); color: var(--color-error); }
.kpi-icon--gold { background: var(--color-gold-light); color: var(--color-gold); }

.kpi-value {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 900;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: var(--space-1);
  font-variant-numeric: tabular-nums;
  transition: all 0.4s ease;
}
.kpi-label { font-size: var(--text-xs); color: var(--color-text-muted); font-weight: 500; margin-bottom: var(--space-2); }
.kpi-delta {
  font-size: var(--text-xs); font-weight: 600;
  padding: 2px var(--space-2);
  border-radius: var(--radius-full, 9999px);
  display: inline-block;
  margin-bottom: var(--space-2);
}
.kpi-delta--up { background: var(--color-error-light); color: var(--color-error); }
.kpi-delta--down { background: var(--color-success-light); color: var(--color-success); }

/* ========================================
   CHART SECTIONS
   ======================================== */
.chart-section { padding: clamp(var(--space-10), 6vw, var(--space-16)) 0; }
.chart-section--alt { background: var(--color-surface-2); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }

.section-header { margin-bottom: var(--space-8); }
.section-header h2 {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 900;
  color: var(--color-text);
  margin-bottom: var(--space-2);
  line-height: 1.2;
}
.section-header p { font-size: var(--text-base); color: var(--color-text-muted); max-width: 68ch; }

.chart-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
}
.chart-card--wide { width: 100%; }
.chart-title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-4); }
.chart-footer { font-size: var(--text-xs); color: var(--color-text-faint); margin-top: var(--space-4); padding-top: var(--space-3); border-top: 1px solid var(--color-divider); }
.chart-footer a { color: var(--color-primary); }
.chart-footer a:hover { text-decoration: underline; }

.chart-duo { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-5); margin-bottom: var(--space-8); }
@media (max-width: 768px) { .chart-duo { grid-template-columns: 1fr; } }

/* ========================================
   RISIKOGRUPPEN
   ======================================== */
.risk-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--space-4); }
.risk-header { grid-column: 1 / -1; }
.risk-header h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 900; color: var(--color-text); }
@media (max-width: 900px) { .risk-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 500px) { .risk-grid { grid-template-columns: 1fr; } }

.risk-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  border-left: 4px solid transparent;
}
.risk-card--high { border-left-color: var(--color-error); }
.risk-card--medium { border-left-color: var(--color-warning); }
.risk-card--elevated { border-left-color: var(--color-gold); }

.risk-badge { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.risk-card--high .risk-badge { color: var(--color-error); }
.risk-card--medium .risk-badge { color: var(--color-warning); }
.risk-card--elevated .risk-badge { color: var(--color-gold); }

.risk-title { font-size: var(--text-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-1); }
.risk-stat { font-size: var(--text-xs); color: var(--color-text-muted); margin-bottom: var(--space-3); }
.risk-bar { background: var(--color-surface-offset); border-radius: var(--radius-full, 9999px); height: 6px; overflow: hidden; }
.risk-bar-fill { height: 100%; border-radius: var(--radius-full, 9999px); background: var(--color-error); animation: barGrow 1.2s ease-out forwards; transform-origin: left; }
.risk-bar-fill--medium { background: var(--color-warning); }
.risk-bar-fill--elevated { background: var(--color-gold); }
@keyframes barGrow { from { transform: scaleX(0); } to { transform: scaleX(1); } }

/* ========================================
   PROGNOSEN
   ======================================== */
.projection-tabs { display: flex; gap: var(--space-2); margin-bottom: var(--space-5); flex-wrap: wrap; }
.proj-tab {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-md);
  font-size: var(--text-sm); font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.proj-tab:hover { border-color: var(--color-primary); color: var(--color-primary); }
.proj-tab.active { background: var(--color-cta); color: white; border-color: var(--color-cta); }

.proj-panel { display: none; }
.proj-panel.active { display: block; }
.proj-info { display: flex; gap: var(--space-8); margin-bottom: var(--space-6); flex-wrap: wrap; }
.proj-stat { flex: 1; min-width: 180px; }
.proj-num { display: block; font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 900; color: var(--color-cta); line-height: 1; margin-bottom: var(--space-1); }
.proj-desc { font-size: var(--text-sm); color: var(--color-text-muted); }

/* KOSTENVERLAUF */
.cost-section { margin-top: var(--space-10); }
.cost-section h3 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 900; margin-bottom: var(--space-6); }
.cost-grid { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-4); }
.cost-item { display: grid; grid-template-columns: 60px 1fr 100px; align-items: center; gap: var(--space-4); }
.cost-year { font-weight: 700; font-size: var(--text-sm); color: var(--color-text-muted); }
.cost-bar-wrap { position: relative; }
.cost-bar-bg { background: var(--color-surface-offset); border-radius: var(--radius-full, 9999px); height: 28px; overflow: hidden; }
.cost-bar-fill {
  height: 100%; background: var(--color-primary); /* #009ee0 */
  border-radius: var(--radius-full, 9999px);
  width: 0; animation: costGrow 1.4s ease-out forwards;
  display: flex; align-items: center; justify-content: flex-end;
  padding-right: var(--space-3);
  font-size: var(--text-xs); font-weight: 600; color: white;
}
.cost-bar-fill--alert { background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-cta) 100%); }
.cost-item--highlight .cost-year { color: var(--color-error); font-weight: 800; }
.cost-val { font-family: var(--font-display); font-size: var(--text-sm); font-weight: 700; color: var(--color-text); text-align: right; font-variant-numeric: tabular-nums; }
@keyframes costGrow { from { width: 0; } }
.cost-note { font-size: var(--text-xs); color: var(--color-text-faint); line-height: 1.6; max-width: 72ch; }

/* ========================================
   MASSNAHMEN / HANDLUNGSBEDARF
   ======================================== */
.action-cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--space-5); margin-top: var(--space-8); }
@media (max-width: 768px) { .action-cards { grid-template-columns: 1fr; } }

.action-card {
  display: flex; gap: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-6);
  box-shadow: var(--shadow-sm);
  border-top: 3px solid transparent;
}
.action-card--policy { border-top-color: var(--color-primary); }
.action-card--health { border-top-color: var(--color-teal); }
.action-card--business { border-top-color: var(--color-warning); }
.action-card--society { border-top-color: var(--color-success); }

.action-icon { font-size: 2rem; flex-shrink: 0; margin-top: 2px; }
.action-who { font-size: var(--text-xs); font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); margin-bottom: var(--space-1); }
.action-title { font-weight: 700; font-size: var(--text-base); color: var(--color-text); margin-bottom: var(--space-3); }
.action-list { display: flex; flex-direction: column; gap: var(--space-1); }
.action-list li { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: var(--space-4); position: relative; }
.action-list li::before { content: '→'; position: absolute; left: 0; color: var(--color-cta); font-weight: 700; }

/* ========================================
   FOOTER
   ======================================== */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding: var(--space-12) 0 var(--space-8);
}
.footer-inner { display: grid; grid-template-columns: 2fr 1fr; gap: var(--space-10); }
@media (max-width: 768px) { .footer-inner { grid-template-columns: 1fr; } }
.footer-sources h4 { font-weight: 700; font-size: var(--text-base); margin-bottom: var(--space-4); }
.footer-sources ul { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-sources li { font-size: var(--text-xs); color: var(--color-text-muted); line-height: 1.5; }
.footer-sources a { color: var(--color-primary); word-break: break-word; }
.footer-meta p { font-size: var(--text-xs); color: var(--color-text-faint); margin-bottom: var(--space-2); }

/* ========================================
   SCROLL ANIMATION
   ======================================== */
.chart-card, .kpi-card, .risk-card, .action-card {
  opacity: 0; transform: translateY(16px);
  animation: fadeUp 0.5s ease-out forwards;
}
@keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }
.kpi-card:nth-child(1) { animation-delay: 0.05s; }
.kpi-card:nth-child(2) { animation-delay: 0.1s; }
.kpi-card:nth-child(3) { animation-delay: 0.15s; }
.kpi-card:nth-child(4) { animation-delay: 0.2s; }