/* nevik.de Unified Design System v2.0
 * Matches the Next.js homepage dark theme with green accent
 * Includes DM Sans + Space Grotesk fonts via Google Fonts
 */



:root {
  --bg: #0a0a0a;
  --bg-subtle: #111111;
  --bg-card: #141414;
  --bg-hover: #1a1a1a;
  --text: #e5e5e5;
  --text-secondary: #a3a3a3;
  --text-tertiary: #737373;
  --text-faint: #525252;
  --accent: #10b981;
  --accent-hover: #059669;
  --accent-surface: rgba(16, 185, 129, 0.08);
  --accent-text: #34d399;
  --danger: #ef4444;
  --danger-text: #f87171;
  --danger-surface: rgba(239, 68, 68, 0.08);
  --warning: #f59e0b;
  --warning-text: #fbbf24;
  --border: #262626;
  --border-hover: #333333;
  --border-accent: rgba(16, 185, 129, 0.2);
  --radius: 12px;
  --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-display: 'Space Grotesk', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, ui-monospace, Menlo, monospace;
  --max-width: 900px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.u-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Header */
.u-header {
  border-bottom: 1px solid var(--border);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 10, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.u-header .u-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.u-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
}

.u-logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent-surface);
  border: 1px solid var(--border-accent);
}

.u-logo-icon svg {
  width: 16px;
  height: 16px;
  color: var(--accent);
}

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

.u-logo:hover {
  color: var(--text);
}

.u-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.u-nav a {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

.u-nav a:hover {
  color: var(--text);
}

.u-nav-cta {
  background: var(--accent) !important;
  color: #fff !important;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  transition: background 0.2s, transform 0.1s !important;
}

.u-nav-cta:hover {
  background: var(--accent-hover) !important;
  color: #fff !important;
  transform: translateY(-1px);
}

.u-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text);
  cursor: pointer;
  padding: 0.5rem;
}

.u-menu-toggle svg {
  width: 24px;
  height: 24px;
}

/* Hero Section */
.u-hero {
  padding: 4rem 0 3rem;
  text-align: center;
}

h1, .u-h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text);
  margin-bottom: 1rem;
}

h1 span {
  color: var(--accent);
}

h2, .u-h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.02em;
  color: var(--text);
  margin-bottom: 0.75rem;
}

h3, .u-h3 {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 0.5rem;
}

.u-subtitle {
  color: var(--text-secondary);
  font-size: 1.05rem;
  max-width: 650px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}

.u-subtitle strong {
  color: var(--accent);
}

/* Stats Section */
.u-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
  margin: 2.5rem 0;
}

.u-stat {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1rem;
  text-align: center;
  transition: border-color 0.2s;
}

.u-stat:hover {
  border-color: var(--border-hover);
}

.u-stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.u-stat-value.accent {
  color: var(--accent);
}

.u-stat-value.danger {
  color: var(--danger);
}

.u-stat-value.warning {
  color: var(--warning);
}

.u-stat-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
  margin-top: 0.4rem;
}

/* Issues Section */
.issues {
  margin: 3rem 0;
}

.issues h2 {
  margin-bottom: 1.5rem;
}

.u-issue {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: border-color 0.2s;
}

.u-issue:hover {
  border-color: var(--border-hover);
}

.u-issue-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.u-issue-content {
  flex: 1;
  min-width: 0;
}

.u-issue-title {
  font-weight: 600;
  margin-bottom: 0.25rem;
  color: var(--text);
}

.u-issue-pct {
  color: var(--danger);
  font-weight: 700;
  margin-left: 0.25rem;
}

.u-issue-desc {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.5;
}

.u-bar {
  background: var(--bg-hover);
  border-radius: 4px;
  height: 6px;
  margin-top: 0.75rem;
  overflow: hidden;
}

.u-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--danger), #dc2626);
  transition: width 0.6s ease;
}

/* Method Section */
.u-method {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 2rem 0;
}

.u-method h2 {
  margin-bottom: 1rem;
}

.u-method p {
  color: var(--text-secondary);
  line-height: 1.7;
}

.u-method a {
  color: var(--accent);
}

/* CTA Section */
.u-cta {
  text-align: center;
  padding: 3rem 2rem;
  margin: 3rem 0;
  background: linear-gradient(135deg, rgba(16, 185, 129, 0.05), rgba(16, 185, 129, 0.02));
  border: 1px solid var(--border-accent);
  border-radius: var(--radius);
}

.u-cta h2 {
  margin-bottom: 0.75rem;
}

.u-cta p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

/* Buttons */
.u-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.9rem 2rem;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: background 0.2s, transform 0.1s;
  text-decoration: none;
}

.u-btn:hover {
  transform: translateY(-1px);
}

.u-btn-primary {
  background: var(--accent);
  color: #fff;
}

.u-btn-primary:hover {
  background: var(--accent-hover);
  color: #fff;
}

.u-btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--border);
}

.u-btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
}

/* Nearby Cities */
.nearby-cities {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 2rem;
  margin: 3rem 0;
}

.nearby-cities h2 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
}

.nearby-cities p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.nearby-cities .city-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.nearby-cities a {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 500;
  transition: all 0.2s;
}

.nearby-cities a:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-surface);
}

/* FAQ Section */
.u-faq {
  margin: 3rem 0;
}

.u-faq h2 {
  margin-bottom: 1.5rem;
}

.u-faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 0.75rem;
  overflow: hidden;
}

.u-faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  cursor: pointer;
  font-weight: 600;
  color: var(--text);
  transition: background 0.2s;
}

.u-faq-question:hover {
  background: var(--bg-hover);
}

.u-faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--text-tertiary);
  transition: transform 0.2s;
}

.u-faq-item.open .u-faq-question svg {
  transform: rotate(180deg);
}

.u-faq-answer {
  padding: 0 1.25rem 1rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  display: none;
}

.u-faq-item.open .u-faq-answer {
  display: block;
}

/* Footer */
.u-footer {
  border-top: 1px solid var(--border);
  padding: 3rem 0;
  margin-top: 4rem;
}

.u-footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}

.u-footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem 1.5rem;
}

.u-footer-links a {
  color: var(--text-tertiary);
  font-size: 0.875rem;
  transition: color 0.2s;
}

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

.u-footer-copy {
  color: var(--text-faint);
  font-size: 0.8rem;
}

.u-footer-badges {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 0.5rem;
}

.u-footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

.u-footer-badge svg {
  width: 14px;
  height: 14px;
}

.u-footer-badge.accent {
  background: var(--accent-surface);
  border-color: var(--border-accent);
  color: var(--accent-text);
}

.u-footer-badge.accent svg {
  color: var(--accent);
}

/* Responsive */
@media (max-width: 768px) {
  .u-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: 0.75rem;
  }

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

  .u-menu-toggle {
    display: block;
  }

  .u-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  .u-stat {
    padding: 1rem;
  }

  .u-stat-value {
    font-size: 1.6rem;
  }

  h1, .u-h1 {
    font-size: 1.5rem;
  }

  h2, .u-h2 {
    font-size: 1.15rem;
  }

  .u-hero {
    padding: 2.5rem 0 2rem;
  }

  .u-issue {
    padding: 1rem;
  }

  .u-cta {
    padding: 2rem 1.25rem;
  }

  .nearby-cities {
    padding: 1.5rem;
  }

  .nearby-cities .city-links {
    gap: 0.5rem;
  }

  .nearby-cities a {
    padding: 0.4rem 0.75rem;
    font-size: 0.85rem;
  }
}

@media (max-width: 480px) {
  .u-stats {
    grid-template-columns: 1fr 1fr;
  }

  .u-container {
    padding: 0 1rem;
  }
}

/* Print styles */
@media print {
  body {
    background: #fff;
    color: #000;
  }

  .u-header, .u-footer, .u-menu-toggle, .u-nav-cta, .u-cta {
    display: none;
  }

  .u-card, .u-stat, .u-issue, .u-method, .nearby-cities {
    background: #fff;
    border-color: #ddd;
    break-inside: avoid;
  }

  a {
    color: #000;
  }

  a[href]::after {
    content: " (" attr(href) ")";
    font-size: 0.8em;
    color: #666;
  }
}