/* ===== CSS CUSTOM PROPERTIES ===== */
:root {
  --bg-primary:    #f8f9fa;
  --bg-secondary:  #ffffff;
  --bg-card:       #ffffff;
  --text-primary:  #1a202c;
  --text-secondary:#4a5568;
  --text-muted:    #718096;
  --accent:        #a93226;
  --accent-hover:  #c0392b;
  --accent-light:  #fdecea;
  --border:        #e2e8f0;
  --nav-bg:        rgba(248,249,250,0.92);
  --shadow:        0 2px 16px rgba(0,0,0,0.08);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.12);
  --radius:        10px;
  --radius-lg:     16px;
  --transition:    0.25s ease;
}

[data-theme="dark"] {
  --bg-primary:    #0f1117;
  --bg-secondary:  #1a1d27;
  --bg-card:       #1e2130;
  --text-primary:  #e2e8f0;
  --text-secondary:#a0aec0;
  --text-muted:    #718096;
  --accent:        #c0392b;
  --accent-hover:  #e74c3c;
  --accent-light:  #2d1a19;
  --border:        #2d3748;
  --nav-bg:        rgba(15,17,23,0.92);
  --shadow:        0 2px 16px rgba(0,0,0,0.4);
  --shadow-lg:     0 8px 32px rgba(0,0,0,0.5);
}

/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.7;
  transition: background var(--transition), color var(--transition);
}

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

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

/* ===== TYPOGRAPHY ===== */
h1 { font-size: clamp(2rem, 5vw, 3.2rem); font-weight: 700; line-height: 1.2; }
h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); font-weight: 600; line-height: 1.3; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { color: var(--text-secondary); }

/* ===== LAYOUT ===== */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

section { padding: 5rem 0; }

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: var(--nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.nav-logo {
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

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

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color var(--transition);
}

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

.nav-right {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ===== THEME TOGGLE ===== */
.theme-toggle {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 50px;
  width: 52px;
  height: 28px;
  cursor: pointer;
  position: relative;
  transition: background var(--transition), border-color var(--transition);
  display: flex;
  align-items: center;
  padding: 3px;
}

.theme-toggle::after {
  content: '';
  width: 22px;
  height: 22px;
  background: var(--accent);
  border-radius: 50%;
  transition: transform var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

[data-theme="dark"] .theme-toggle::after {
  transform: translateX(24px);
}

.theme-toggle-icon {
  position: absolute;
  font-size: 12px;
  pointer-events: none;
}

.icon-sun  { left: 6px;  }
.icon-moon { right: 6px; }

/* ===== HAMBURGER ===== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 64px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(169,50,38,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.hero-content {
  max-width: 680px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--accent-light);
  color: var(--accent);
  border: 1px solid rgba(169,50,38,0.2);
  padding: 0.35rem 1rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 1.5rem;
}

.hero h1 {
  margin-bottom: 1.25rem;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
}

.hero-tagline {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.03em;
  margin-bottom: 0.75rem;
}

.hero-sub {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  max-width: 540px;
}

.hero-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 2.5rem;
  margin-top: 3.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}

.stat-item .number {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1;
}

.stat-item .number span { color: var(--accent); }

.stat-item .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
}

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(169,50,38,0.3);
}

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

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

/* ===== SECTION HEADER ===== */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
}

.section-label {
  display: inline-block;
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.section-header h2 { margin-bottom: 0.75rem; }

.section-header p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--text-secondary);
}

/* ===== CARDS ===== */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  transition: all var(--transition);
}

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

/* ===== SERVICES ===== */
#leistungen { background: var(--bg-secondary); }

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card .icon {
  width: 48px;
  height: 48px;
  background: var(--accent-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1.25rem;
  color: var(--accent);
}

.service-card h3 { margin-bottom: 0.5rem; }

.service-card .tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1rem;
}

.tag {
  background: var(--bg-primary);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 0.75rem;
  padding: 0.25rem 0.65rem;
  border-radius: 50px;
}

/* ===== ABOUT ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  align-items: center;
}

.about-photo {
  position: relative;
}

.photo-placeholder {
  width: 100%;
  aspect-ratio: 4/5;
  background: var(--bg-card);
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.photo-placeholder .icon { font-size: 2.5rem; }

.photo-frame {
  position: absolute;
  inset: -12px;
  border: 2px solid var(--accent);
  border-radius: calc(var(--radius-lg) + 12px);
  opacity: 0.3;
  pointer-events: none;
}

.about-text h2 { margin-bottom: 1.25rem; }

.about-text p { margin-bottom: 1rem; }

.timeline {
  margin-top: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.timeline-dot {
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  margin-top: 0.55rem;
  flex-shrink: 0;
}

.timeline-item .year {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  min-width: 40px;
  margin-top: 0.3rem;
}

.timeline-item .desc {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin: 0;
}

/* ===== REGIONS ===== */
#regionen { background: var(--bg-secondary); }

.regions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.region-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.region-icon {
  font-size: 1.6rem;
  flex-shrink: 0;
}

.region-card h3 { font-size: 1rem; margin-bottom: 0.25rem; }
.region-card p  { font-size: 0.88rem; margin: 0; }

.remote-banner {
  margin-top: 1.5rem;
  background: var(--accent-light);
  border: 1px solid rgba(169,50,38,0.2);
  border-radius: var(--radius);
  padding: 1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  color: var(--accent);
  font-weight: 500;
}

/* ===== CONTACT ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 4rem;
  align-items: start;
}

.contact-info h2 { margin-bottom: 1rem; }
.contact-info p  { margin-bottom: 1.5rem; }

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.contact-item .icon { color: var(--accent); font-size: 1.1rem; }

/* ===== FORM ===== */
.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  background: var(--bg-primary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.7rem 1rem;
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(169,50,38,0.1);
}

.form-group textarea { resize: vertical; min-height: 130px; }

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.form-success {
  display: none;
  text-align: center;
  padding: 2rem;
  color: var(--text-secondary);
}

.form-success .check { font-size: 2.5rem; color: var(--accent); margin-bottom: 0.75rem; }

/* ===== FOOTER ===== */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border);
  padding: 2.5rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.footer-logo { font-weight: 700; color: var(--text-primary); }
.footer-logo span { color: var(--accent); }
.footer-copy { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 1.5rem; }
.footer-links a { font-size: 0.85rem; color: var(--text-muted); }
.footer-links a:hover { color: var(--accent); }

.service-list {
  margin-top: 0.85rem;
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.service-list li {
  font-size: 0.82rem;
  color: var(--text-secondary);
  padding-left: 1.1rem;
  position: relative;
}

.service-list li::before {
  content: '›';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.service-list strong {
  color: var(--text-primary);
}

/* ===== SCROLL ANIMATIONS ===== */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 64px; left: 0; right: 0;
    background: var(--nav-bg);
    backdrop-filter: blur(12px);
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
    gap: 1.25rem;
  }

  .hamburger { display: flex; }

  .about-grid,
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }

  .hero-stats { gap: 1.5rem; }

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

  section { padding: 3.5rem 0; }
}