/* ==========================================================================
   RAJAB BAU – Design System & Stylesheet
   Modern, Professional, Construction-Focused & Fully Responsive (Light/Dark)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Color Palettes & Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Brand Colors from Official Logo */
  --primary: #1e3a8a;
  --primary-dark: #0f294a;
  --primary-hover: #1e40af;
  --amber-accent: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.25);

  /* Light Theme Color Palette */
  --bg-main: #f8fafc;
  --bg-alt: #f1f5f9;
  --bg-card: #ffffff;
  --bg-header: rgba(255, 255, 255, 0.94);
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-light: #64748b;
  --border-color: #e2e8f0;
  --border-focus: #f59e0b;
  
  /* Hero & Dark Accent Layers */
  --dark-slate-bg: #0f172a;
  --dark-slate-card: #1e293b;
  --dark-slate-border: #334155;

  /* Form & Interactive States */
  --input-bg: #ffffff;
  --error-color: #ef4444;
  --success-color: #10b981;

  /* Fonts & Shadows */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
  --shadow-glow: 0 10px 30px -5px rgba(30, 58, 138, 0.3);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
}

/* Dark Theme Overrides */
[data-theme="dark"] {
  --bg-main: #0f172a;
  --bg-alt: #1e293b;
  --bg-card: #1e293b;
  --bg-header: rgba(15, 23, 42, 0.94);
  --text-main: #f8fafc;
  --text-muted: #cbd5e1;
  --text-light: #94a3b8;
  --border-color: #334155;
  --input-bg: #0f172a;
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 12px 30px rgba(0, 0, 0, 0.5);
}

/* --------------------------------------------------------------------------
   2. Reset & General Layout
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-main);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Helper Utilities */
.section {
  padding: 5rem 0;
}

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

.text-center { text-align: center; }
.text-white { color: #ffffff !important; }
.text-white-80 { color: rgba(255, 255, 255, 0.8) !important; }
.text-muted { color: var(--text-muted); }
.text-lead { font-size: 1.15rem; line-height: 1.7; }
.margin-top-medium { margin-top: 1.5rem; }
.margin-top-large { margin-top: 2.5rem; }
.hidden { display: none !important; }

/* Grid Layout System */
.grid {
  display: grid;
  gap: 2rem;
}
.grid-2-cols {
  grid-template-columns: repeat(2, 1fr);
}
.align-center {
  align-items: center;
}

/* Section Header Typography */
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: rgba(30, 58, 138, 0.12);
  color: var(--primary);
  border: 1px solid rgba(30, 58, 138, 0.25);
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

[data-theme="dark"] .section-tag {
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--amber-accent);
  border-color: rgba(245, 158, 11, 0.3);
}

.tag-amber {
  background-color: rgba(245, 158, 11, 0.2);
  color: #fbbf24;
  border-color: rgba(245, 158, 11, 0.4);
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-description {
  font-size: 1.125rem;
  color: var(--text-muted);
  max-width: 680px;
  margin: 0 auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.35);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), var(--primary));
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

.btn-amber {
  background-color: var(--amber-accent);
  color: #0f172a;
  font-weight: 700;
}
.btn-amber:hover {
  background-color: #fbbf24;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-whatsapp {
  background-color: #25d366;
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}
.btn-whatsapp:hover {
  background-color: #128c7e;
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.4);
}

.header-wa-btn {
  padding: 0.55rem 1.1rem;
  font-size: 0.875rem;
}

.btn-outline {
  background-color: transparent;
  border-color: var(--border-color);
  color: var(--text-main);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background-color: rgba(30, 58, 138, 0.05);
}

.btn-large {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}
.btn-full {
  width: 100%;
}

/* --------------------------------------------------------------------------
   3. Header & Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--bg-header);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  transition: background-color var(--transition-normal), border-color var(--transition-normal);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

/* Brand Logo */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
}

.logo-img-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #ffffff;
  padding: 4px;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  border-radius: 4px;
  transition: transform var(--transition-fast);
}

.brand-logo:hover .brand-logo-img {
  transform: scale(1.04);
}

.brand-text-wrapper {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-tagline {
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--amber-accent);
}

/* Nav Links */
.nav-list {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-muted);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}
[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
  color: var(--amber-accent);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}
[data-theme="dark"] .nav-link::after {
  background-color: var(--amber-accent);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Theme Toggle Button */
.theme-toggle-btn {
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.theme-toggle-btn:hover {
  border-color: var(--amber-accent);
  color: var(--amber-accent);
}

[data-theme="light"] .moon-icon { display: none; }
[data-theme="light"] .sun-icon { display: block; }
[data-theme="dark"] .sun-icon { display: none; }
[data-theme="dark"] .moon-icon { display: block; }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 32px;
  height: 22px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1010;
}

.mobile-menu-toggle .bar {
  width: 100%;
  height: 3px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

/* --------------------------------------------------------------------------
   4. Hero Section
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  padding: 6rem 0 5.5rem;
  background: var(--bg-alt);
  overflow: hidden;
  transition: background var(--transition-normal);
}

[data-theme="dark"] .hero-section {
  background: linear-gradient(135deg, #0f172a 0%, #1a2540 100%);
}

.hero-bg-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at 80% 20%, rgba(245, 158, 11, 0.08) 0%, transparent 55%),
              radial-gradient(circle at 15% 85%, rgba(30, 58, 138, 0.08) 0%, transparent 55%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.2rem;
  background-color: rgba(30, 58, 138, 0.12);
  border: 1px solid rgba(30, 58, 138, 0.25);
  border-radius: var(--radius-full);
  color: var(--primary);
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
}

[data-theme="dark"] .hero-badge {
  background-color: rgba(245, 158, 11, 0.18);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fbbf24;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: #f59e0b;
  border-radius: 50%;
  box-shadow: 0 0 10px #f59e0b;
}

.hero-title {
  font-size: 3.25rem;
  color: var(--text-main);
  margin-bottom: 1.5rem;
  letter-spacing: -0.03em;
  line-height: 1.15;
}

.highlight-text {
  color: var(--primary);
  position: relative;
}

[data-theme="dark"] .highlight-text {
  color: #f59e0b;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-bottom: 2.5rem;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1.25rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.hero-actions .btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 4px 14px rgba(30, 58, 138, 0.35);
}

[data-theme="dark"] .hero-actions .btn-primary {
  background: linear-gradient(135deg, #f59e0b, #d97706);
  color: #0f172a;
}

.hero-actions .btn-outline {
  border-color: var(--border-color);
  color: var(--text-main);
}
.hero-actions .btn-outline:hover {
  border-color: var(--primary);
  background-color: rgba(30, 58, 138, 0.08);
  color: var(--primary);
}

.hero-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  text-align: left;
}

.feature-card-mini {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-card-mini:hover {
  transform: translateY(-3px);
  border-color: var(--amber-accent);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background-color: rgba(245, 158, 11, 0.15);
  color: #f59e0b;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
}

.feature-info {
  display: flex;
  flex-direction: column;
}
.feature-info strong {
  font-size: 0.95rem;
  color: var(--text-main);
}
.feature-info span {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   5. Über Uns Section
   -------------------------------------------------------------------------- */
.about-image-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
}

.about-real-img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-normal);
}

.about-image-card:hover .about-real-img {
  transform: scale(1.03);
}

.experience-badge {
  position: absolute;
  bottom: 1.5rem;
  right: 1.5rem;
  background: linear-gradient(135deg, #1e3a8a, #0f294a);
  color: #ffffff;
  padding: 1.25rem 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(245, 158, 11, 0.4);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.exp-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.5rem;
  line-height: 1;
  color: #f59e0b;
}

.exp-text {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.about-checklist {
  margin: 1.75rem 0 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
}

.about-checklist li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 500;
}

.check-icon {
  color: var(--amber-accent);
  background-color: rgba(245, 158, 11, 0.15);
  padding: 2px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   6. Hauptleistungen Section
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.75rem;
  margin-top: 3rem;
}

.service-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-card:hover {
  transform: translateY(-4px);
  border-color: var(--amber-accent);
  box-shadow: var(--shadow-md);
}

.service-icon-box {
  width: 60px;
  height: 60px;
  background-color: rgba(30, 58, 138, 0.1);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

[data-theme="dark"] .service-icon-box {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--amber-accent);
}

.service-card:hover .service-icon-box {
  background-color: var(--primary);
  color: #ffffff;
}

.service-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.service-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.55;
}

.highlight-card {
  border: 2px solid var(--amber-accent);
  background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(30, 58, 138, 0.08));
}

.card-link {
  margin-top: 1rem;
  font-weight: 700;
  color: var(--amber-accent);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   7. Electrical Services Highlight Section
   -------------------------------------------------------------------------- */
.electrical-banner {
  background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  border-radius: var(--radius-lg);
  padding: 4rem 3rem;
  border: 1px solid rgba(245, 158, 11, 0.35);
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.electrical-banner::before {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.2) 0%, transparent 70%);
  pointer-events: none;
}

.electrical-services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.elec-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 1rem;
  background-color: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  color: #ffffff;
  font-size: 0.95rem;
}

.elec-icon {
  color: #f59e0b;
  display: flex;
  align-items: center;
}

.electrical-cta {
  margin-top: 2rem;
}

/* --------------------------------------------------------------------------
   8. Vor-Ort-Beratung Process Steps
   -------------------------------------------------------------------------- */
.process-steps-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3rem;
}

.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1.5rem;
  position: relative;
  transition: transform var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-4px);
}

.step-number {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 2.5rem;
  color: var(--amber-accent);
  line-height: 1;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.step-title {
  font-size: 1.15rem;
  margin-bottom: 0.6rem;
}

.step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   9. Projects / Referenzen Gallery Section
   -------------------------------------------------------------------------- */
.project-filters {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  margin: 2.5rem 0;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.65rem 1.4rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background-color: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.25);
}

[data-theme="dark"] .filter-btn.active {
  background-color: var(--amber-accent);
  border-color: var(--amber-accent);
  color: #0f172a;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.project-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.project-image-wrapper {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}

.project-card:hover .project-img {
  transform: scale(1.06);
}

.project-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.75rem 1.5rem;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.4) 70%, transparent 100%);
  color: #ffffff;
}

.project-cat {
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #f59e0b;
  letter-spacing: 0.05em;
}

.project-title {
  font-size: 1.15rem;
  color: #ffffff;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   10. Contact Form & Mandatory Photo Upload
   -------------------------------------------------------------------------- */
.contact-info-card {
  padding: 2.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.info-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 2rem 0;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.info-icon {
  width: 48px;
  height: 48px;
  background-color: rgba(30, 58, 138, 0.1);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
[data-theme="dark"] .info-icon {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--amber-accent);
}

.info-text {
  display: flex;
  flex-direction: column;
}
.info-text strong {
  font-size: 0.9rem;
  color: var(--text-muted);
}
.info-text span {
  font-size: 1.05rem;
  font-weight: 600;
}

.link-hover:hover {
  color: var(--amber-accent);
  text-decoration: underline;
}

.trust-badge-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1.25rem;
  background-color: rgba(245, 158, 11, 0.1);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: var(--radius-md);
}

.contact-form-card {
  padding: 2.5rem;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 1.75rem;
  margin-bottom: 0.4rem;
}

.form-subtitle {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.75rem;
}

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
}

.form-group label {
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
}

.required {
  color: var(--error-color);
}

.required-badge {
  font-size: 0.75rem;
  background-color: rgba(239, 68, 68, 0.12);
  color: var(--error-color);
  padding: 2px 8px;
  border-radius: var(--radius-full);
  margin-left: 0.4rem;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  background-color: var(--input-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.2);
}

.form-input.input-error,
.form-select.input-error,
.form-textarea.input-error,
.file-upload-zone.zone-error {
  border-color: var(--error-color) !important;
}

.error-msg {
  color: var(--error-color);
  font-size: 0.8rem;
  margin-top: 0.3rem;
  display: none;
}

.field-hint {
  font-size: 0.825rem;
  color: var(--text-muted);
  margin-bottom: 0.6rem;
}

/* File Upload Zone */
.file-upload-zone {
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-md);
  padding: 2rem 1rem;
  text-align: center;
  cursor: pointer;
  background-color: var(--bg-alt);
  transition: all var(--transition-fast);
  position: relative;
}

.file-upload-zone:hover,
.file-upload-zone.dragover {
  border-color: var(--amber-accent);
  background-color: rgba(245, 158, 11, 0.08);
}

.file-input-hidden {
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  pointer-events: none;
}

.upload-icon {
  color: var(--amber-accent);
}

.file-preview-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.file-preview-item {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.8rem;
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
}

.remove-file-btn {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
}

/* Privacy Checkbox Group */
.checkbox-group {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.45;
  color: var(--text-muted);
  cursor: pointer;
}

.form-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--primary);
  cursor: pointer;
  flex-shrink: 0;
}

.modal-trigger-link {
  background: none;
  border: none;
  padding: 0;
  color: var(--primary);
  font-weight: 600;
  text-decoration: underline;
  cursor: pointer;
  font-size: inherit;
  font-family: inherit;
}

[data-theme="dark"] .modal-trigger-link {
  color: var(--amber-accent);
}

.form-success-message {
  text-align: center;
  padding: 2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
}

/* --------------------------------------------------------------------------
   11. Team Section
   -------------------------------------------------------------------------- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 3rem;
}

.team-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  text-align: center;
  transition: transform var(--transition-fast);
}

.team-card:hover {
  transform: translateY(-4px);
}

.team-icon-box {
  width: 72px;
  height: 72px;
  background-color: rgba(30, 58, 138, 0.1);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
}

[data-theme="dark"] .team-icon-box {
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--amber-accent);
}

.team-role {
  font-size: 1.25rem;
  margin-bottom: 0.6rem;
}

.team-desc {
  color: var(--text-muted);
  font-size: 0.925rem;
}

/* --------------------------------------------------------------------------
   12. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--dark-slate-bg);
  color: #94a3b8;
  padding: 5rem 0 2rem;
  border-top: 1px solid var(--dark-slate-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
}

.footer-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  background: #ffffff;
  border-radius: 6px;
  padding: 3px;
}

.footer-brand-name {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.35rem;
  color: #ffffff;
}

.footer-desc {
  font-size: 0.925rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.footer-location {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
}

.footer-heading {
  font-size: 1.1rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  font-size: 0.925rem;
}
.footer-links a:hover {
  color: var(--amber-accent);
}

.footer-contact-item {
  font-size: 0.925rem;
  margin-bottom: 0.5rem;
}
.footer-contact-item a:hover {
  color: var(--amber-accent);
}

.footer-legal-links {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  flex-wrap: wrap;
}

.modal-trigger-btn {
  background: none;
  border: none;
  color: #94a3b8;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 0;
  transition: color var(--transition-fast);
}

.modal-trigger-btn:hover {
  color: var(--amber-accent);
  text-decoration: underline;
}

.sep { color: #475569; }

.footer-bottom {
  border-top: 1px solid var(--dark-slate-border);
  padding-top: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #64748b;
}

/* --------------------------------------------------------------------------
   13. Modals (Impressum, Datenschutz, AGB)
   -------------------------------------------------------------------------- */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-color: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 1;
  transition: opacity var(--transition-normal);
}

.modal-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

.modal-content {
  background-color: var(--bg-card);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 720px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 2.5rem;
  position: relative;
  box-shadow: var(--shadow-lg);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--bg-alt);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-size: 1.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-title {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
}

.modal-body {
  font-size: 0.95rem;
  line-height: 1.65;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.modal-body h3 {
  font-size: 1.15rem;
  margin-top: 0.75rem;
}

/* --------------------------------------------------------------------------
   14. Responsive Breakpoints
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.75rem; }
  .grid-2-cols { grid-template-columns: 1fr; }
  .process-steps-grid { grid-template-columns: repeat(2, 1fr); }
  .projects-grid { grid-template-columns: 1fr; }
  .electrical-services-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .header-cta-btn { display: none; }
  .mobile-menu-toggle { display: flex; }
  
  .main-nav {
    position: fixed;
    top: 84px; left: 0; width: 100%;
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-150%);
    transition: transform var(--transition-normal);
  }
  
  .main-nav.open {
    transform: translateY(0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .hero-title { font-size: 2.15rem; }
  .hero-subtitle { font-size: 1.05rem; }
  .hero-features-grid { grid-template-columns: 1fr; }
  .electrical-services-grid { grid-template-columns: 1fr; }
  .process-steps-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  
  .electrical-banner { padding: 2.5rem 1.5rem; }
  .contact-info-card, .contact-form-card { padding: 1.5rem; }
}