/* ==========================================================================
   PLANA HAUSMEISTERSERVICE - DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

/* --- Modern Custom Properties --- */
:root {
  /* Color Palette - Light Mode Default */
  --primary: #02c154;
  --primary-hover: #02a345;
  --primary-rgb: 2, 193, 84;
  --secondary: #0f172a;
  /* Slate 900 */
  --accent: #22c55e;

  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  /* Slate 50 */
  --bg-tertiary: #f1f5f9;
  /* Slate 100 */

  --text-primary: #0f172a;
  /* Slate 900 */
  --text-secondary: #475569;
  /* Slate 600 */
  --text-muted: #64748b;
  /* Slate 500 */
  --text-light: #f8fafc;

  --card-bg: #ffffff;
  --card-border: #e2e8f0;
  /* Slate 200 */
  --card-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.05), 0 2px 8px -1px rgba(15, 23, 42, 0.03);
  --card-shadow-hover: 0 20px 25px -5px rgba(2, 193, 84, 0.08), 0 10px 10px -5px rgba(15, 23, 42, 0.04);

  --glass-bg: rgba(255, 255, 255, 0.8);
  --glass-border: rgba(226, 232, 240, 0.8);
  --glass-backdrop: blur(12px);

  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

  /* Border Radius */
  --radius-xs: 6px;
  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Dark Mode Variables --- */
[data-theme="dark"] {
  --bg-primary: #090d16;
  --bg-secondary: #0f172a;
  /* Slate 900 */
  --bg-tertiary: #1e293b;
  /* Slate 800 */

  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  /* Slate 300 */
  --text-muted: #94a3b8;
  /* Slate 400 */

  --card-bg: #0f172a;
  --card-border: #1e293b;
  --card-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.3);
  --card-shadow-hover: 0 20px 25px -5px rgba(2, 193, 84, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.2);

  --glass-bg: rgba(15, 23, 42, 0.8);
  --glass-border: rgba(30, 41, 59, 0.8);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-tap-highlight-color: transparent;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* --- Typography Defaults --- */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.5rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  position: relative;
  margin-bottom: 1.5rem;
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  color: var(--text-secondary);
  font-size: 1.05rem;
}

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

ul {
  list-style: none;
}

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

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
  background: var(--card-border);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary);
}

/* --- Global Layout Utilities --- */
.container {
  width: 100%;
  max-width: 1280px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.section {
  padding: 6rem 0;
}

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

.text-center {
  text-align: center;
}

.text-gradient {
  background: linear-gradient(135deg, var(--text-primary) 30%, var(--primary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background-color: var(--primary-light);
  color: var(--primary);
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1rem;
  border: 1px solid rgba(2, 193, 84, 0.2);
}

/* --- Buttons & Interactive --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.875rem 1.75rem;
  border-radius: var(--radius-md);
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  outline: none;
}

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

.btn-primary:hover {
  background-color: var(--primary-hover);
  box-shadow: 0 8px 20px -4px rgba(2, 193, 84, 0.4);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background-color: var(--bg-tertiary);
  transform: translateY(-2px);
}

.btn-icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-md);
  background-color: var(--bg-tertiary);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-icon-only:hover {
  background-color: var(--primary-light);
  color: var(--primary);
  border-color: rgba(2, 193, 84, 0.3);
}

/* --- Header / Top Bar & Navbar --- */
.top-bar {
  background-color: var(--secondary);
  color: #f8fafc;
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-bar-info,
.top-bar-contact {
  display: flex;
  gap: 1.5rem;
  align-items: center;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.top-bar-item svg {
  color: var(--primary);
  width: 14px;
  height: 14px;
}

.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: var(--glass-bg);
  border-bottom: 1px solid var(--glass-border);
  backdrop-filter: var(--glass-backdrop);
  -webkit-backdrop-filter: var(--glass-backdrop);
  transition: background-color var(--transition-normal), border var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  display: flex;
  align-items: center;
  flex: 0 0 auto;
}

.logo-img {
  width: clamp(142px, 17vw, 200px);
  height: auto;
  display: block;
}

.logo-img-dark {
  display: none;
}

[data-theme="dark"] .logo-img-light {
  display: none;
}

[data-theme="dark"] .logo-img-dark {
  display: block;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-secondary);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-normal);
}

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

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

.mobile-only {
  display: none;
}

.navbar>.nav-actions {
  flex: 0 0 auto;
  gap: 0.75rem;
}

.navbar>.nav-actions .btn {
  min-height: 46px;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  line-height: 1.2;
  white-space: nowrap;
}

.navbar>.nav-actions .btn svg {
  flex: 0 0 auto;
}

.menu-toggle {
  display: none;
}

/* --- Theme Toggle Slider --- */
.theme-switch-wrapper {
  display: flex;
  align-items: center;
  margin-right: 0.5rem;
}

.theme-switch {
  display: inline-block;
  height: 26px;
  position: relative;
  width: 50px;
}

.theme-switch input {
  display: none;
}

.slider {
  background-color: #cbd5e1;
  bottom: 0;
  cursor: pointer;
  left: 0;
  position: absolute;
  right: 0;
  top: 0;
  transition: .4s;
  border-radius: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5px;
}

.slider svg {
  width: 12px;
  height: 12px;
  z-index: 1;
  fill: #64748b;
}

.slider .sun-icon {
  margin-left: 2px;
}

.slider .moon-icon {
  margin-right: 2px;
}

.slider:before {
  background-color: #fff;
  bottom: 3px;
  content: "";
  height: 20px;
  left: 3px;
  position: absolute;
  transition: .4s;
  width: 20px;
  border-radius: 50%;
  z-index: 2;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

input:checked+.slider {
  background-color: var(--primary);
}

input:checked+.slider:before {
  transform: translateX(24px);
}

/* --- Hero Section --- */
.hero {
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -20%;
  right: -10%;
  width: 600px;
  height: 600px;
  border-radius: var(--radius-full);
  background: radial-gradient(circle, rgba(2, 193, 84, 0.08) 0%, rgba(2, 193, 84, 0) 70%);
  z-index: -1;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-desc {
  font-size: 1.15rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
}

.hero-btns {
  display: flex;
  gap: 1rem;
  margin-bottom: 3rem;
  width: 100%;
}

.hero-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  width: 100%;
  border-top: 1px solid var(--card-border);
  padding-top: 2rem;
}

.hero-badge-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.hero-badge-num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.hero-badge-label {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  height: 480px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow-hover);
  border: 4px solid var(--card-bg);
}

.hero-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.hero-image-wrapper:hover img {
  transform: scale(1.05);
}

/* --- Trust / Feature Bar --- */
.trust-bar {
  background-color: var(--secondary);
  color: #ffffff;
  padding: 2.5rem 0;
  position: relative;
  z-index: 10;
}

.trust-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  text-align: center;
}

.trust-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.trust-title {
  color: #ffffff;
  font-size: 1.25rem;
  font-weight: 700;
}

.trust-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.trust-item-icon {
  background-color: rgba(2, 193, 84, 0.15);
  color: var(--primary);
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
}

.trust-item-icon svg {
  width: 24px;
  height: 24px;
}

/* --- Section Heading Component --- */
.section-header {
  max-width: 650px;
  margin: 0 auto 4rem auto;
}

/* --- About Us Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.about-bullets {
  margin-top: 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.about-bullet-icon {
  background-color: var(--primary-light);
  color: var(--primary);
  min-width: 28px;
  height: 28px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.15rem;
}

.about-bullet-icon svg {
  width: 14px;
  height: 14px;
}

.about-bullet-text h4 {
  font-size: 1.1rem;
  margin-bottom: 0.25rem;
}

.about-bullet-text p {
  font-size: 0.95rem;
}

.about-image-layout {
  position: relative;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.about-img-box {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 3px solid var(--card-bg);
}

.about-img-box img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.about-img-box:hover img {
  transform: scale(1.08);
}

.about-img-box-span {
  grid-column: span 2;
}

.about-experience-badge {
  position: absolute;
  bottom: 2rem;
  right: -1rem;
  background-color: var(--primary);
  color: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: 0 10px 25px rgba(2, 193, 84, 0.3);
  text-align: center;
  max-width: 160px;
  animation: float 4s ease-in-out infinite;
}

.about-experience-num {
  font-size: 2.2rem;
  font-weight: 800;
  display: block;
  line-height: 1;
}

.about-experience-text {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
}

@keyframes float {
  0% {
    transform: translateY(0px);
  }

  50% {
    transform: translateY(-10px);
  }

  100% {
    transform: translateY(0px);
  }
}

/* --- Services Section --- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.service-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 0 0 2rem;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--primary);
  transition: height var(--transition-normal);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--card-shadow-hover);
  border-color: rgba(2, 193, 84, 0.2);
}

.service-card:hover::before {
  height: 100%;
}

.service-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--bg-tertiary);
  margin-bottom: 1.5rem;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.service-icon {
  background-color: var(--primary-light);
  color: var(--primary);
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  transition: all var(--transition-normal);
}

.service-icon svg {
  width: 28px;
  height: 28px;
}

.service-icon img {
  width: 32px;
  height: 32px;
  object-fit: contain;
  filter: brightness(0) saturate(100%) invert(48%) sepia(96%) saturate(1324%) hue-rotate(111deg) brightness(94%) contrast(98%);
  transition: filter var(--transition-normal);
}

.service-card:hover .service-icon {
  background-color: var(--primary);
  color: #ffffff;
  box-shadow: 0 8px 15px rgba(2, 193, 84, 0.25);
}

.service-card:hover .service-icon img {
  filter: brightness(0) invert(1);
}

.service-title {
  margin: 0 1.75rem 1rem;
  font-size: 1.35rem;
}

.service-desc {
  font-size: 0.975rem;
  color: var(--text-secondary);
  margin: 0 1.75rem 0.9rem;
}

.service-desc:last-child {
  margin-bottom: 0;
}

.service-list {
  margin: 0.1rem 1.75rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.service-list li {
  position: relative;
  padding-left: 1.15rem;
}

.service-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--primary);
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
}

.service-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.service-link:hover svg {
  transform: translateX(4px);
}

/* --- Quote Estimator (Angebots-Rechner) --- */
.estimator-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--card-shadow);
  transition: background-color var(--transition-normal), border var(--transition-normal);
}

.estimator-form {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.form-group label {
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.form-group label span.val-display {
  color: var(--primary);
  background-color: var(--primary-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
}

/* Range input styling */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: var(--radius-full);
  background: var(--bg-tertiary);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  transition: transform var(--transition-fast);
  box-shadow: 0 2px 6px rgba(2, 193, 84, 0.3);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.2);
}

.services-select-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.checkbox-card {
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 1rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.checkbox-card:hover {
  background-color: var(--bg-secondary);
}

.checkbox-card input[type="checkbox"] {
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
  cursor: pointer;
}

.checkbox-card.selected {
  border-color: var(--primary);
  background-color: var(--primary-light);
}

.checkbox-label-text {
  font-weight: 600;
  font-size: 0.9rem;
}

.estimator-result {
  background: linear-gradient(135deg, var(--secondary) 0%, #1e293b 100%);
  border-radius: var(--radius-md);
  padding: 3rem;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  box-shadow: inset 0 0 100px rgba(0, 0, 0, 0.2);
}

.result-badge {
  background-color: rgba(2, 193, 84, 0.2);
  color: var(--primary);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05rem;
  border: 1px solid rgba(2, 193, 84, 0.3);
  margin-bottom: 1.5rem;
}

.price-display-wrapper {
  margin-bottom: 2rem;
}

.price-display {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1;
  color: #ffffff;
  display: block;
}

.price-display span {
  color: var(--primary);
}

.price-unit {
  font-size: 0.85rem;
  color: var(--text-muted);
  display: block;
  margin-top: 0.5rem;
}

.result-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 1.5rem;
}

/* --- Contact Section --- */
.contact-layout {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 4rem;
  align-items: start;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.info-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-md);
  padding: 1.5rem 2rem;
  display: flex;
  gap: 1.5rem;
  align-items: center;
  transition: border var(--transition-fast), background-color var(--transition-normal);
}

.info-card:hover {
  border-color: var(--primary);
}

.info-icon {
  background-color: var(--primary-light);
  color: var(--primary);
  min-width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-icon svg {
  width: 20px;
  height: 20px;
}

.info-details h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.info-details p,
.info-details a {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.info-details a:hover {
  color: var(--primary);
}

.contact-form-wrapper {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--card-shadow);
  transition: background-color var(--transition-normal), border var(--transition-normal);
}

.input-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-input-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.form-input-group label {
  font-weight: 700;
  font-size: 0.9rem;
}

.form-control {
  font-family: var(--font-sans);
  background-color: var(--bg-secondary);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  padding: 0.875rem 1rem;
  font-size: 1rem;
  color: var(--text-primary);
  outline: none;
  transition: all var(--transition-fast);
  width: 100%;
}

.form-control:focus {
  border-color: var(--primary);
  background-color: var(--bg-primary);
  box-shadow: 0 0 0 3px rgba(2, 193, 84, 0.15);
}

.form-control::placeholder {
  color: var(--text-muted);
}

textarea.form-control {
  resize: vertical;
  min-height: 120px;
}

/* Form verification states */
.form-control:user-invalid {
  border-color: #ef4444;
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.gdpr-checkbox {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
  margin-bottom: 2rem;
  cursor: pointer;
}

.gdpr-checkbox input {
  accent-color: var(--primary);
  width: 18px;
  height: 18px;
  margin-top: 0.2rem;
}

.gdpr-checkbox span {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

.gdpr-checkbox a {
  color: var(--primary);
  font-weight: 600;
}

/* Custom Success Animation Overlay on Submission */
.contact-form-container {
  position: relative;
}

.form-success-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--card-bg);
  z-index: 10;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 2rem;
  border-radius: var(--radius-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.form-success-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.success-icon-wrapper {
  background-color: var(--primary-light);
  color: var(--primary);
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  box-shadow: 0 8px 24px rgba(2, 193, 84, 0.2);
}

.success-icon-wrapper svg {
  width: 40px;
  height: 40px;
  stroke-dasharray: 100;
  stroke-dashoffset: 100;
  animation: drawCheck 0.6s ease-in-out forwards 0.2s;
}

@keyframes drawCheck {
  to {
    stroke-dashoffset: 0;
  }
}

/* --- Footer --- */
.footer {
  background-color: var(--secondary);
  color: #cbd5e1;
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-brand .logo {
  width: fit-content;
}

.footer-brand-desc {
  font-size: 0.95rem;
  color: #94a3b8;
  line-height: 1.6;
}

.footer-col h3 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.75rem;
  position: relative;
  padding-bottom: 0.5rem;
}

.footer-col h3::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}

.footer-link-item {
  font-size: 0.95rem;
  color: #94a3b8;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-link-item:hover {
  color: var(--primary);
}

.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 0.95rem;
  color: #94a3b8;
}

.footer-contact-item svg {
  color: var(--primary);
  min-width: 18px;
  height: 18px;
  margin-top: 0.2rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.875rem;
  color: #64748b;
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-link {
  color: #64748b;
  cursor: pointer;
}

.footer-bottom-link:hover {
  color: var(--primary);
}

/* --- Modals for Legal Notice (Impressum & Datenschutz) --- */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(9, 13, 22, 0.6);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: all;
}

.modal-content {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  width: 90%;
  max-width: 750px;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  display: flex;
  flex-direction: column;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
  overflow: hidden;
}

.modal-overlay.active .modal-content {
  transform: scale(1);
}

.modal-header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--card-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  font-size: 1.4rem;
}

.modal-close {
  background: transparent;
  border: none;
  font-size: 1.5rem;
  color: var(--text-secondary);
  cursor: pointer;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: var(--radius-xs);
}

.modal-close:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.05);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.modal-body h4 {
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

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

.modal-body ul {
  list-style: disc;
  padding-left: 1.5rem;
  margin-bottom: 1rem;
}

.modal-body li {
  margin-bottom: 0.5rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */

/* Header switches earlier so desktop actions never crowd the navigation */
@media (max-width: 1100px) {
  .top-bar .container {
    justify-content: center;
  }

  .top-bar-info,
  .top-bar-contact {
    gap: 1rem;
  }

  .navbar {
    height: 70px;
  }

  .desktop-only {
    display: none !important;
  }

  .menu-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    z-index: 101;
    width: 44px;
    height: 44px;
  }

  .menu-toggle svg {
    width: 28px;
    height: 28px;
  }

  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: min(82vw, 340px);
    height: 100vh;
    background-color: var(--card-bg);
    border-left: 1px solid var(--card-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 5.5rem 2rem 2rem;
    gap: 1.4rem;
    z-index: 99;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    transition: right var(--transition-normal);
  }

  .nav-menu.active {
    right: 0;
  }

  .nav-link {
    font-size: 1.05rem;
    width: 100%;
  }

  .nav-menu .nav-actions.mobile-only {
    display: flex;
    margin-top: 0.5rem;
    width: 100%;
  }

  .nav-menu .nav-actions.mobile-only .btn {
    width: 100%;
  }
}

/* Tablet Layout (Max 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
    text-align: center;
  }

  .hero-content {
    align-items: center;
  }

  .hero-btns {
    justify-content: center;
  }

  .hero-image-wrapper {
    height: 400px;
    order: -1;
  }

  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-image-layout {
    order: -1;
    max-width: 600px;
    margin: 0 auto;
    width: 100%;
  }

  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .estimator-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
    padding: 2.5rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .contact-info-cards {
    order: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
  }

  .footer-brand {
    grid-column: span 2;
  }
}

/* Mobile Menu Display & Layout (Max 768px) */
@media (max-width: 768px) {
  .top-bar {
    display: none;
    /* Hide top bar on mobile to save space */
  }

  .nav-menu {
    width: 80%;
    max-width: 320px;
    padding: 6rem 2.5rem;
    gap: 2rem;
  }

  .nav-link {
    font-size: 1.15rem;
  }

  .nav-menu .nav-actions.mobile-only {
    margin-top: 1rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .services-select-grid {
    grid-template-columns: 1fr;
  }

  .contact-info-cards {
    grid-template-columns: 1fr;
  }

  .input-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .contact-form-wrapper {
    padding: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: span 1;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Small Mobile Adjustments (Max 480px) */
@media (max-width: 480px) {
  .hero-btns {
    flex-direction: column;
    width: 100%;
  }

  .hero-btns .btn {
    width: 100%;
  }

  .hero-badges {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .trust-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .about-experience-badge {
    position: static;
    margin: 1.5rem auto 0 auto;
    animation: none;
  }

  .estimator-result {
    padding: 2rem 1.5rem;
  }

  .modal-content {
    max-height: 90vh;
  }

  .modal-body {
    padding: 1.5rem;
  }
}