/* ===== Design System — ABC Charpente Menuiserie ===== */
:root {
  /* Palette bois chaud */
  --color-primary: #3B2314;
  --color-primary-dark: #2A1A0E;
  --color-primary-light: #5C3D2E;
  --color-accent: #D97706;
  --color-accent-hover: #B45309;
  --color-accent-light: rgba(217, 119, 6, 0.12);
  --color-bg: #FFFBEB;
  --color-bg-alt: #FEF3C7;
  --color-bg-dark: #3B2314;
  --color-white: #FFFFFF;
  --color-text: #1C1917;
  --color-text-light: #78716C;
  --color-text-on-dark: #F5F0E8;
  --color-border: #E7E5E4;

  /* Typographie */
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Espacements */
  --section-padding: 6rem 0;
  --container-max: 1200px;
  --gap: 2rem;

  /* Effets */
  --radius: 12px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(59, 35, 20, 0.08);
  --shadow-hover: 0 12px 40px rgba(59, 35, 20, 0.15);
  --shadow-card: 0 2px 12px rgba(59, 35, 20, 0.06);
  --transition: 0.3s ease;
  --transition-slow: 0.6s ease;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, h4, h5 {
  font-family: var(--font-heading);
  line-height: 1.2;
  color: var(--color-primary);
  font-weight: 700;
}
h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
a { color: inherit; text-decoration: none; transition: var(--transition); }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
.container { max-width: var(--container-max); margin: 0 auto; padding: 0 1.5rem; }

/* ===== Boutons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: var(--radius);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  border: none;
  text-decoration: none;
}
.btn-primary {
  background: var(--color-accent);
  color: var(--color-white);
}
.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(217, 119, 6, 0.3);
}
.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}
.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}
.btn-white {
  background: var(--color-white);
  color: var(--color-primary);
}
.btn-white:hover {
  background: var(--color-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}
.btn-whatsapp {
  background: #25D366;
  color: var(--color-white);
}
.btn-whatsapp:hover {
  background: #1da851;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}
.btn-phone {
  background: var(--color-primary);
  color: var(--color-white);
}
.btn-phone:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
}

/* ===== Navigation ===== */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 1rem 0;
  transition: var(--transition);
  background: transparent;
}
.navbar.scrolled {
  background: rgba(255, 251, 235, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(59, 35, 20, 0.08);
  padding: 0.6rem 0;
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--color-primary);
}
.logo img {
  height: 40px;
  width: auto;
}
.navbar.scrolled .logo { color: var(--color-primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--color-primary);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: var(--transition);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-cta {
  background: var(--color-accent) !important;
  color: var(--color-white) !important;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius);
  font-weight: 600 !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover {
  background: var(--color-accent-hover) !important;
  transform: translateY(-1px);
}
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  z-index: 1001;
}
.menu-toggle span {
  display: block;
  width: 26px;
  height: 2.5px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: var(--transition);
}
.menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.menu-toggle.active span:nth-child(2) { opacity: 0; }
.menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
}
.hero-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(42, 26, 14, 0.6), rgba(59, 35, 20, 0.3));
  z-index: 2;
}
.hero .container {
  position: relative;
  z-index: 3;
}
.hero-content {
  max-width: 700px;
  color: var(--color-text-on-dark);
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(217, 119, 6, 0.2);
  border: 1px solid rgba(217, 119, 6, 0.4);
  color: var(--color-accent);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease forwards;
}
.hero h1 {
  color: var(--color-white);
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s 0.2s ease both;
}
.hero h1 .accent { color: var(--color-accent); }
.hero-text {
  font-size: 1.15rem;
  line-height: 1.8;
  color: rgba(245, 240, 232, 0.85);
  margin-bottom: 2rem;
  max-width: 550px;
  animation: fadeInUp 0.8s 0.4s ease both;
}
.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
  animation: fadeInUp 0.8s 0.6s ease both;
}
.hero-stats {
  display: flex;
  gap: 3rem;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  animation: fadeInUp 0.8s 0.8s ease both;
}
.hero-stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.hero-stat-label {
  font-size: 0.9rem;
  color: rgba(245, 240, 232, 0.7);
  margin-top: 0.3rem;
}

/* ===== Sections ===== */
.section { padding: var(--section-padding); }
.section-dark {
  background: var(--color-primary);
  color: var(--color-text-on-dark);
}
.section-dark h2 { color: var(--color-white); }
.section-alt { background: var(--color-bg-alt); }
.section-header {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem;
}
.section-header .section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-accent);
  margin-bottom: 0.75rem;
}
.section-header h2 { margin-bottom: 1rem; }
.section-header p {
  color: var(--color-text-light);
  font-size: 1.05rem;
}
.section-dark .section-header p { color: rgba(245, 240, 232, 0.7); }

/* ===== Services Grid ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--gap);
}
.service-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: var(--transition);
  cursor: pointer;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
}
.service-card-image {
  height: 220px;
  overflow: hidden;
  position: relative;
}
.service-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.service-card:hover .service-card-image img { transform: scale(1.05); }
.service-card-icon {
  position: absolute;
  bottom: -24px;
  right: 20px;
  width: 48px;
  height: 48px;
  background: var(--color-accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 12px rgba(217, 119, 6, 0.3);
  z-index: 2;
}
.service-card-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-white);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.service-card-body {
  padding: 2rem 1.5rem 1.5rem;
}
.service-card-body h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}
.service-card-body p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}
.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: var(--color-accent);
  font-weight: 600;
  font-size: 0.9rem;
}
.service-card-link:hover { gap: 0.7rem; }
.service-card-link svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2.5;
}

/* ===== Valeurs (Why choose us) ===== */
.values-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--gap);
}
.value-card {
  text-align: center;
  padding: 2.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition);
}
.value-card:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}
.value-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 1.25rem;
  background: rgba(217, 119, 6, 0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.value-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.value-card h3 {
  color: var(--color-white);
  margin-bottom: 0.5rem;
  font-size: 1.15rem;
}
.value-card p {
  color: rgba(245, 240, 232, 0.65);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* ===== Zone d'intervention ===== */
.zone-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.zone-text h2 { margin-bottom: 1rem; }
.zone-text p {
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
}
.zone-cities {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
}
.zone-city {
  background: var(--color-accent-light);
  color: var(--color-accent-hover);
  padding: 0.4rem 1rem;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
}
.zone-map {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.zone-map iframe {
  width: 100%;
  height: 400px;
  border: 0;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(217, 119, 6, 0.15), transparent 70%);
  border-radius: 50%;
}
.cta-section h2 {
  color: var(--color-white);
  margin-bottom: 1rem;
  position: relative;
}
.cta-section p {
  color: rgba(245, 240, 232, 0.8);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
  position: relative;
}
.cta-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ===== Page Prestations ===== */
.page-hero {
  padding: 10rem 0 4rem;
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  text-align: center;
}
.page-hero h1 {
  color: var(--color-white);
  margin-bottom: 1rem;
}
.page-hero p {
  color: rgba(245, 240, 232, 0.8);
  font-size: 1.1rem;
  max-width: 550px;
  margin: 0 auto;
}
.service-detail {
  padding: var(--section-padding);
}
.service-detail:nth-child(even) { background: var(--color-bg-alt); }
.service-detail-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}
.service-detail:nth-child(even) .service-detail-content { direction: rtl; }
.service-detail:nth-child(even) .service-detail-content > * { direction: ltr; }
.service-detail-text h2 {
  margin-bottom: 1rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.service-detail-text p {
  color: var(--color-text-light);
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
}
.service-detail-text ul {
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.service-detail-text ul li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  color: var(--color-text);
  font-size: 0.95rem;
}
.service-detail-text ul li::before {
  content: '';
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  background: var(--color-accent-light);
  border-radius: 50%;
  margin-top: 2px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23D97706' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'%3E%3C/polyline%3E%3C/svg%3E");
  background-size: 12px;
  background-position: center;
  background-repeat: no-repeat;
}
.service-detail-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.service-detail-image img {
  width: 100%;
  height: 400px;
  object-fit: cover;
}

/* ===== Galerie / Realisations ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}
.gallery-item {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(42, 26, 14, 0.8) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0;
  transition: var(--transition);
}
.gallery-item:hover .gallery-item-overlay { opacity: 1; }
.gallery-item-overlay h3 {
  color: var(--color-white);
  font-size: 1.1rem;
  margin-bottom: 0.3rem;
}
.gallery-item-overlay p {
  color: rgba(245, 240, 232, 0.7);
  font-size: 0.85rem;
}
.gallery-filter {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}
.gallery-filter-btn {
  background: var(--color-white);
  border: 2px solid var(--color-border);
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-text-light);
  cursor: pointer;
  transition: var(--transition);
}
.gallery-filter-btn:hover,
.gallery-filter-btn.active {
  background: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}
.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.contact-info-card h3 {
  margin-bottom: 2rem;
  font-size: 1.4rem;
}
.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid var(--color-border);
}
.contact-item:last-child { border-bottom: none; }
.contact-item-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-accent-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}
.contact-item-icon svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-accent);
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.contact-item-text h4 {
  font-size: 0.85rem;
  color: var(--color-text-light);
  font-weight: 500;
  margin-bottom: 0.2rem;
}
.contact-item-text p,
.contact-item-text a {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
}
.contact-item-text a:hover { color: var(--color-accent); }
.contact-cta {
  margin-top: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-card);
}
.contact-form-card h3 {
  margin-bottom: 0.5rem;
  font-size: 1.4rem;
}
.contact-form-card > p {
  color: var(--color-text-light);
  margin-bottom: 2rem;
  font-size: 0.95rem;
}
.form-group {
  margin-bottom: 1.25rem;
}
.form-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--color-text);
  transition: var(--transition);
  background: var(--color-bg);
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(217, 119, 6, 0.15);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* ===== Footer ===== */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-text-on-dark);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-col h3 {
  color: var(--color-white);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}
.footer-col h4 {
  color: var(--color-accent);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}
.footer-col p {
  color: rgba(245, 240, 232, 0.65);
  font-size: 0.9rem;
  line-height: 1.7;
}
.footer-col ul { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-col ul a {
  color: rgba(245, 240, 232, 0.65);
  font-size: 0.9rem;
  transition: var(--transition);
}
.footer-col ul a:hover { color: var(--color-accent); padding-left: 4px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 0;
}
.footer-bottom p {
  color: rgba(245, 240, 232, 0.45);
  font-size: 0.85rem;
}
.footer-bottom a {
  color: var(--color-accent);
}
.footer-bottom a:hover { text-decoration: underline; }

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}
.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left.revealed {
  opacity: 1;
  transform: translateX(0);
}
.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-right.revealed {
  opacity: 1;
  transform: translateX(0);
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ===== Lightbox ===== */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  z-index: 9998;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  cursor: pointer;
}
.lightbox.active { display: flex; }
.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius);
}
.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: white;
  font-size: 2rem;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.lightbox-close:hover { background: rgba(255, 255, 255, 0.3); }

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal, .reveal-left, .reveal-right { opacity: 1; transform: none; }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .values-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--color-bg);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
    transition: right 0.4s ease;
  }
  .nav-links.active { right: 0; }
  .hero-stats { gap: 1.5rem; flex-wrap: wrap; }
  .hero-stat-number { font-size: 2rem; }
  .service-detail-content { grid-template-columns: 1fr; gap: 2rem; }
  .service-detail:nth-child(even) .service-detail-content { direction: ltr; }
  .zone-content { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom { flex-direction: column; gap: 0.5rem; text-align: center; }
  .values-grid { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { width: 100%; justify-content: center; }
  .cta-buttons { flex-direction: column; align-items: center; }
  .cta-buttons .btn { width: 100%; justify-content: center; max-width: 300px; }
  .section { padding: 4rem 0; }
  .gallery-grid { grid-template-columns: 1fr; }
}