/* =============================================================
   CHAGRACONSTRUCTION — Feuille de style principale
   ============================================================= */

/* ---- Variables -------------------------------------------- */
:root {
  --color-primary:   #D4860B;
  --color-secondary: #1A2B4A;
  --color-accent:    #F5A623;
  --color-dark:      #1C1C1C;
  --color-light:     #F8F8F6;
  --color-white:     #FFFFFF;
  --color-gray:      #6B7280;
  --color-gray-light:#E5E7EB;
  --color-overlay:   rgba(26,43,74,0.75);

  --font-title:  'Montserrat', sans-serif;
  --font-body:   'Open Sans', sans-serif;
  --font-number: 'Oswald', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.12);
  --shadow-lg: 0 20px 48px rgba(0,0,0,0.16);

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

  --transition: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.23,1,0.32,1);

  --container-max: 1280px;
  --container-pad: clamp(1rem, 5vw, 2rem);

  --header-h: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  background: var(--color-white);
  line-height: 1.65;
  overflow-x: hidden;
}

body.page-loading { overflow: hidden; }
body.mobile-open  { overflow: hidden; }

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

a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }

ul { list-style: none; }

h1,h2,h3,h4,h5 {
  font-family: var(--font-title);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-secondary);
}

p { margin-bottom: 0; }

/* ---- Page Loader ------------------------------------------ */
#page-loader {
  position: fixed;
  inset: 0;
  background: var(--color-secondary);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}

#page-loader.hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.loader-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.loader-c {
  font-family: var(--font-title);
  font-size: 4rem;
  font-weight: 900;
  color: var(--color-primary);
  animation: loaderPulse 1.2s ease-in-out infinite;
}

.loader-bar {
  width: 120px;
  height: 3px;
  background: rgba(255,255,255,0.2);
  border-radius: 999px;
  overflow: hidden;
}

.loader-bar::after {
  content: '';
  display: block;
  height: 100%;
  width: 40%;
  background: var(--color-primary);
  border-radius: 999px;
  animation: loaderSlide 1.2s ease-in-out infinite;
}

@keyframes loaderPulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(0.95); }
}

@keyframes loaderSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ---- Container -------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

/* ---- Boutons ---------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
  transition: color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  min-height: 44px;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: -100%;
  width: 100%; height: 100%;
  background: rgba(255,255,255,0.15);
  transition: left var(--transition);
}

.btn:hover::before { left: 0; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: #b8720a;
  border-color: #b8720a;
  box-shadow: 0 6px 20px rgba(212,134,11,0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-secondary);
}

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

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-white);
}

/* ---- Navigation ------------------------------------------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  transition: background var(--transition), backdrop-filter var(--transition), box-shadow var(--transition);
}

.site-header.scrolled {
  background: rgba(26,43,74,0.88);
  backdrop-filter: blur(12px) saturate(1.5);
  -webkit-backdrop-filter: blur(12px) saturate(1.5);
  box-shadow: 0 2px 20px rgba(0,0,0,0.2);
}

.navbar {
  display: flex;
  align-items: center;
  gap: 2rem;
  height: var(--header-h);
}

.navbar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-text {
  font-family: var(--font-title);
  font-size: 1.05rem;
  line-height: 1.2;
  color: var(--color-white);
  display: flex;
  flex-direction: column;
}

.logo-text strong { font-weight: 900; letter-spacing: 0.08em; }
.logo-text span   { font-weight: 400; font-size: 0.7rem; letter-spacing: 0.15em; color: var(--color-accent); }

.navbar-menu {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  margin-left: auto;
}

.nav-link {
  position: relative;
  padding: 8px 14px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: rgba(255,255,255,0.85);
  transition: color var(--transition);
  border-radius: var(--radius-sm);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 4px; left: 50%;
  width: 0; height: 2px;
  background: var(--color-primary);
  border-radius: 999px;
  transform: translateX(-50%);
  transition: width var(--transition);
}

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

.nav-link:hover::after,
.nav-link.active::after { width: calc(100% - 28px); }

.navbar-cta {
  padding: 10px 22px;
  font-size: 0.82rem;
  margin-left: 0.5rem;
}

.navbar-burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  margin-left: auto;
  min-width: 44px;
  min-height: 44px;
  align-items: center;
  justify-content: center;
}

.burger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition), width var(--transition);
  transform-origin: center;
}

.navbar-burger.open .burger-line:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.navbar-burger.open .burger-line:nth-child(2) { opacity: 0; width: 0; }
.navbar-burger.open .burger-line:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.navbar-mobile {
  display: none;
  background: var(--color-secondary);
  border-top: 1px solid rgba(255,255,255,0.1);
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.23,1,0.32,1);
}

.navbar-mobile.open { max-height: 500px; }

.navbar-mobile-menu {
  padding: 1rem var(--container-pad) 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-mobile-link {
  display: block;
  padding: 12px 16px;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 1rem;
  color: rgba(255,255,255,0.85);
  border-radius: var(--radius-sm);
  transition: color var(--transition), background var(--transition);
}

.nav-mobile-link:hover,
.nav-mobile-link.active {
  color: var(--color-white);
  background: rgba(255,255,255,0.08);
}

.nav-mobile-cta {
  margin-top: 0.75rem;
  text-align: center;
  width: 100%;
  justify-content: center;
}

/* ---- Section générique ------------------------------------ */
.section { padding: 80px 0; }
.section-dark { background: var(--color-secondary); color: var(--color-white); }
.section-dark h2, .section-dark h3 { color: var(--color-white); }
.section-gray { background: var(--color-light); }

.section-header { text-align: center; margin-bottom: 3.5rem; }

.section-eyebrow {
  display: inline-block;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
  position: relative;
}

.section-eyebrow::before,
.section-eyebrow::after {
  content: '';
  display: inline-block;
  width: 20px;
  height: 2px;
  background: var(--color-primary);
  vertical-align: middle;
  margin: 0 8px;
}

.section-title {
  font-size: clamp(1.75rem, 3.5vw, 2.75rem);
  font-weight: 800;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-gray);
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.7;
}

.section-dark .section-subtitle { color: rgba(255,255,255,0.7); }

/* Diagonal separators */
.diagonal-bottom {
  position: relative;
  padding-bottom: calc(80px + 40px);
}

.diagonal-bottom::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 80px;
  background: var(--color-white);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.diagonal-bottom-dark::after { background: var(--color-secondary); }
.diagonal-bottom-gray::after { background: var(--color-light); }

/* ---- Animations ------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left  { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-left.visible,
.reveal-right.visible { transform: translateX(0); opacity: 1; }

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

/* ---- HERO ------------------------------------------------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-secondary);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(26,43,74,0.95) 0%, rgba(26,43,74,0.7) 100%),
    /* Construction pattern SVG inline */
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Crect width='80' height='80' fill='%231A2B4A'/%3E%3Cpath d='M0 40 L40 0 L80 40 L40 80 Z' fill='none' stroke='%23ffffff08' stroke-width='1'/%3E%3Cpath d='M20 40 L40 20 L60 40 L40 60 Z' fill='none' stroke='%23ffffff05' stroke-width='1'/%3E%3C/svg%3E");
  background-size: auto, 80px 80px;
  will-change: transform;
}

.hero-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 80% at 60% 50%, rgba(212,134,11,0.12) 0%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  padding-top: var(--header-h);
  width: 100%;
}

.hero-inner {
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(212,134,11,0.15);
  border: 1px solid rgba(212,134,11,0.3);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 2rem;
  font-family: var(--font-title);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.hero-badge-dot {
  width: 6px; height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  animation: badgePulse 2s ease-in-out infinite;
}

@keyframes badgePulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:0.5;transform:scale(1.3)} }

.hero-title {
  font-size: clamp(2.4rem, 6vw, 4.5rem);
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero-title-line { display: block; }

.hero-title-accent {
  color: var(--color-primary);
  position: relative;
}

.hero-title-accent::after {
  content: '';
  position: absolute;
  left: 0; bottom: -4px;
  width: 0; height: 4px;
  background: var(--color-primary);
  border-radius: 2px;
  animation: underlineGrow 1s ease 0.8s forwards;
}

@keyframes underlineGrow { to { width: 100%; } }

.hero-subtitle {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(255,255,255,0.75);
  margin-bottom: 2.5rem;
  max-width: 540px;
  line-height: 1.7;
}

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

.hero-scroll {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  font-family: var(--font-title);
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollLine 2s ease-in-out infinite;
}

@keyframes scrollLine { 0%,100%{transform:scaleY(1);opacity:1} 50%{transform:scaleY(0.6);opacity:0.4} }

/* Diagonal bas hero */
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 80px;
  background: var(--color-white);
  clip-path: polygon(0 100%, 100% 20%, 100% 100%);
  z-index: 2;
}

/* Hero title animation */
.char-animate {
  display: inline-block;
  opacity: 0;
  transform: translateY(20px);
  animation: charIn 0.5s ease forwards;
}

@keyframes charIn { to { opacity:1; transform:translateY(0); } }

/* ---- Chiffres clés --------------------------------------- */
.stats {
  padding: 60px 0;
  background: var(--color-white);
  position: relative;
  z-index: 1;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item {
  padding: 2rem 1rem;
  border-radius: var(--radius-md);
  position: relative;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: 0; top: 20%; bottom: 20%;
  width: 1px;
  background: var(--color-gray-light);
}

.stat-item:last-child::after { display: none; }

.stat-number {
  font-family: var(--font-number);
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
}

.stat-suffix {
  font-size: 1.5rem;
  color: var(--color-primary);
}

.stat-label {
  font-family: var(--font-title);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ---- Expertises ------------------------------------------ */
.expertise-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.expertise-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  padding: 2rem 1.75rem;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}

.expertise-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-primary);
  transform: scaleY(0);
  transform-origin: bottom;
  transition: transform var(--transition);
}

.expertise-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.expertise-card:hover::before { transform: scaleY(1); }

.expertise-icon {
  width: 56px; height: 56px;
  background: rgba(212,134,11,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  transition: background var(--transition);
}

.expertise-card:hover .expertise-icon {
  background: var(--color-primary);
}

.expertise-icon svg { color: var(--color-primary); transition: color var(--transition); }
.expertise-card:hover .expertise-icon svg { color: var(--color-white); }

.expertise-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--color-secondary);
}

.expertise-desc {
  font-size: 0.9rem;
  color: var(--color-gray);
  line-height: 1.65;
}

/* ---- Réalisations récentes -------------------------------- */
.recent-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: var(--color-secondary);
}

.project-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(40%);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.project-card:hover .project-img {
  transform: scale(1.08);
  filter: grayscale(0%);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,43,74,0.9) 0%, rgba(26,43,74,0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  opacity: 0.85;
  transition: opacity var(--transition);
}

.project-card:hover .project-overlay { opacity: 1; }

.project-cat {
  font-family: var(--font-title);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.5rem;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-title);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  transform: translateY(8px);
  opacity: 0;
  transition: transform var(--transition), opacity var(--transition);
}

.project-card:hover .project-link { transform: translateY(0); opacity: 1; }

/* SVG placeholders pour projets */
.project-placeholder {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Pourquoi nous -------------------------------------- */
.why-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.why-item {
  text-align: center;
  padding: 2rem 1rem;
}

.why-icon {
  width: 80px; height: 80px;
  background: rgba(212,134,11,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 1.25rem;
  border: 2px solid rgba(212,134,11,0.2);
  transition: background var(--transition), border-color var(--transition);
}

.why-item:hover .why-icon {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.why-icon svg { color: var(--color-primary); transition: color var(--transition); }
.why-item:hover .why-icon svg { color: var(--color-white); }

.why-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.why-desc { font-size: 0.92rem; color: var(--color-gray); }

/* ---- Témoignages ---------------------------------------- */
.testimonials {
  background: var(--color-secondary);
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.testimonials::before {
  content: '"';
  position: absolute;
  top: -60px; left: 5%;
  font-size: 20rem;
  font-family: Georgia, serif;
  color: rgba(255,255,255,0.03);
  line-height: 1;
  pointer-events: none;
}

.testimonial-slider {
  max-width: 820px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
}

.testimonial-track {
  display: flex;
  transition: transform 0.6s cubic-bezier(0.23,1,0.32,1);
}

.testimonial-slide {
  min-width: 100%;
  text-align: center;
  padding: 0 1rem;
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.star {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.testimonial-text {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  font-style: italic;
  color: rgba(255,255,255,0.88);
  line-height: 1.75;
  margin-bottom: 2rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 1.1rem;
  color: white;
  flex-shrink: 0;
}

.testimonial-name {
  font-family: var(--font-title);
  font-weight: 700;
  color: var(--color-white);
  font-size: 1rem;
}

.testimonial-role {
  font-size: 0.82rem;
  color: rgba(255,255,255,0.55);
}

.testimonial-dots {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-top: 2rem;
}

.testimonial-dot {
  width: 8px; height: 8px;
  background: rgba(255,255,255,0.25);
  border-radius: 50%;
  border: none;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}

.testimonial-dot.active {
  background: var(--color-primary);
  transform: scale(1.3);
}

.testimonial-arrows {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 1.5rem;
}

.testimonial-arrow {
  width: 44px; height: 44px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: white;
  transition: background var(--transition);
}

.testimonial-arrow:hover { background: var(--color-primary); border-color: var(--color-primary); }

/* ---- CTA finale ----------------------------------------- */
.cta-final {
  background: linear-gradient(135deg, var(--color-primary) 0%, #b8720a 100%);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='20' fill='none' stroke='%23ffffff10' stroke-width='1'/%3E%3C/svg%3E") repeat;
  background-size: 60px 60px;
}

.cta-final h2 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 4vw, 3rem);
  margin-bottom: 1rem;
  position: relative;
}

.cta-final p {
  color: rgba(255,255,255,0.85);
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 520px;
  margin-inline: auto;
  position: relative;
}

.cta-final .btn-secondary {
  background: rgba(255,255,255,0.1);
}

.cta-final .btn-secondary:hover {
  background: var(--color-white);
  color: var(--color-primary);
}

.cta-btns {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
}

/* ---- Page Hero (sous-pages) ------------------------------ */
.page-hero {
  background: var(--color-secondary);
  padding: 140px 0 80px;
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='100' height='100'%3E%3Cpath d='M0 0 L100 0 L100 100 Z' fill='%23ffffff03'/%3E%3C/svg%3E") no-repeat right bottom;
  background-size: 50%;
}

.page-hero-content {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  margin-bottom: 1rem;
}

.page-hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.1rem;
  line-height: 1.7;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 1.5rem;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.5);
}

.breadcrumb a {
  color: rgba(255,255,255,0.6);
  transition: color var(--transition);
}

.breadcrumb a:hover { color: var(--color-primary); }
.breadcrumb-sep { color: rgba(255,255,255,0.3); }

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  background: var(--color-light);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
}

.page-hero.hero-white-bottom::after { background: var(--color-white); }

/* ---- Services ------------------------------------------- */
.service-block {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
  padding: 60px 0;
  border-bottom: 1px solid var(--color-gray-light);
}

.service-block:last-of-type { border-bottom: none; }

.service-block.reverse { direction: rtl; }
.service-block.reverse > * { direction: ltr; }

.service-number {
  font-family: var(--font-number);
  font-size: 5rem;
  font-weight: 700;
  color: rgba(212,134,11,0.12);
  line-height: 1;
  margin-bottom: -1rem;
}

.service-title {
  font-size: 1.7rem;
  font-weight: 800;
  margin-bottom: 1rem;
  color: var(--color-secondary);
}

.service-desc {
  font-size: 0.97rem;
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: 1.5rem;
}

.service-features {
  list-style: none;
  margin-bottom: 2rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.service-features li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.9rem;
  color: var(--color-dark);
}

.service-features li::before {
  content: '';
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
  margin-top: 7px;
  flex-shrink: 0;
}

.service-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  position: relative;
}

.service-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ---- Galerie / Réalisations ------------------------------ */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
}

.filter-btn {
  padding: 8px 22px;
  border: 2px solid var(--color-gray-light);
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-title);
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-gray);
  min-height: 44px;
}

.filter-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.filter-btn.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 4/3;
  cursor: pointer;
  background: var(--color-secondary);
  transition: transform var(--transition), box-shadow var(--transition), opacity 0.4s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.gallery-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(30%);
  transition: transform 0.5s ease, filter 0.5s ease;
}

.gallery-item:hover .gallery-item-img {
  transform: scale(1.06);
  filter: grayscale(0%) brightness(0.85);
}

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(26,43,74,0.92) 0%, transparent 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.gallery-item:hover .gallery-overlay { opacity: 1; }

.gallery-zoom {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%) scale(0.6);
  width: 48px; height: 48px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
}

.gallery-item:hover .gallery-zoom {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
}

.gallery-cat {
  font-family: var(--font-title);
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.gallery-title {
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.97rem;
  color: white;
}

.gallery-year {
  font-size: 0.78rem;
  color: rgba(255,255,255,0.55);
  margin-top: 2px;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.lightbox.open {
  opacity: 1;
  visibility: visible;
}

.lightbox-inner {
  max-width: 900px;
  width: 100%;
  position: relative;
}

.lightbox-img {
  width: 100%;
  border-radius: var(--radius-md);
  max-height: 75vh;
  object-fit: contain;
}

.lightbox-close {
  position: absolute;
  top: -48px;
  right: 0;
  width: 40px; height: 40px;
  background: rgba(255,255,255,0.1);
  border: none;
  border-radius: 50%;
  color: white;
  font-size: 1.4rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
}

.lightbox-close:hover { background: var(--color-primary); }

.lightbox-info {
  margin-top: 1rem;
  text-align: center;
  color: rgba(255,255,255,0.8);
}

.lightbox-nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition);
  font-size: 1.2rem;
}

.lightbox-nav:hover { background: var(--color-primary); }
.lightbox-prev { left: -64px; }
.lightbox-next { right: -64px; }

/* ---- À propos : Timeline --------------------------------- */
.timeline {
  position: relative;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
  transform: translateX(-50%);
}

.timeline-item {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
  margin-bottom: 3rem;
}

.timeline-item:nth-child(odd) .timeline-content { grid-column: 1; text-align: right; }
.timeline-item:nth-child(odd) .timeline-empty   { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-content { grid-column: 3; }
.timeline-item:nth-child(even) .timeline-empty   { grid-column: 1; }

.timeline-dot {
  width: 16px; height: 16px;
  background: var(--color-primary);
  border-radius: 50%;
  border: 3px solid white;
  box-shadow: 0 0 0 3px var(--color-primary);
  grid-column: 2;
  position: relative;
  z-index: 1;
}

.timeline-year {
  font-family: var(--font-number);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.timeline-content h3 {
  font-size: 1.05rem;
  margin-bottom: 0.4rem;
  color: var(--color-secondary);
}

.timeline-content p {
  font-size: 0.88rem;
  color: var(--color-gray);
}

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

.team-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.team-photo {
  aspect-ratio: 3/4;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #2d4a7a 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.team-avatar-placeholder {
  width: 80px; height: 80px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-photo::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60%;
  background: linear-gradient(to top, rgba(26,43,74,0.5), transparent);
}

.team-info {
  padding: 1.5rem;
  text-align: center;
}

.team-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-secondary);
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.82rem;
  color: var(--color-primary);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.team-desc {
  font-size: 0.88rem;
  color: var(--color-gray);
  line-height: 1.65;
}

/* ---- Valeurs --------------------------------------------- */
.values-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.value-item {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 2rem;
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
  transition: border-color var(--transition), background var(--transition);
}

.value-item:hover {
  border-color: rgba(212,134,11,0.3);
  background: rgba(212,134,11,0.05);
}

.value-icon {
  width: 48px; height: 48px;
  background: rgba(212,134,11,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.value-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.4rem;
}

.value-desc {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
  line-height: 1.65;
}

/* ---- Certifications -------------------------------------- */
.cert-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  justify-content: center;
  align-items: center;
}

.cert-item {
  background: var(--color-white);
  border: 1px solid var(--color-gray-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 2rem;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 0.88rem;
  color: var(--color-secondary);
  transition: box-shadow var(--transition), border-color var(--transition);
}

.cert-item:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-primary);
}

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

.contact-form {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.form-title {
  font-size: 1.5rem;
  font-weight: 800;
  margin-bottom: 1.75rem;
  color: var(--color-secondary);
}

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

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

.form-label {
  display: block;
  font-family: var(--font-title);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--color-secondary);
  margin-bottom: 0.5rem;
}

.form-required { color: var(--color-primary); margin-left: 2px; }

.form-control {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--color-gray-light);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-dark);
  background: var(--color-light);
  transition: border-color var(--transition), box-shadow var(--transition);
  min-height: 44px;
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(212,134,11,0.15);
  background: white;
}

.form-control::placeholder { color: #aaa; }

textarea.form-control {
  resize: vertical;
  min-height: 140px;
}

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7280' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.honeypot { display: none !important; }

.form-submit {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.form-privacy {
  font-size: 0.78rem;
  color: var(--color-gray);
  line-height: 1.5;
}

.form-message {
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.9rem;
  font-weight: 600;
  display: none;
  margin-bottom: 1rem;
}

.form-message.success {
  background: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
  display: block;
}

.form-message.error {
  background: #fee2e2;
  color: #991b1b;
  border: 1px solid #fca5a5;
  display: block;
}

.contact-info-card {
  background: var(--color-secondary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  color: white;
  position: sticky;
  top: calc(var(--header-h) + 2rem);
}

.contact-info-title {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 2rem;
}

.contact-info-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.contact-info-icon {
  width: 44px; height: 44px;
  background: rgba(212,134,11,0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-accent);
}

.contact-info-label {
  font-family: var(--font-title);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(255,255,255,0.5);
  margin-bottom: 3px;
}

.contact-info-value {
  color: white;
  font-size: 0.95rem;
}

.contact-info-value a {
  color: var(--color-accent);
  transition: color var(--transition);
}

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

.map-placeholder {
  margin-top: 2rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 200px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 8px;
  color: rgba(255,255,255,0.4);
  font-size: 0.85rem;
}

.map-placeholder iframe {
  width: 100%;
  height: 100%;
  border: none;
  filter: invert(1) hue-rotate(180deg);
}

/* ---- Footer --------------------------------------------- */
.site-footer {
  background: var(--color-dark);
  color: rgba(255,255,255,0.7);
}

.footer-top { padding: 64px 0 48px; }

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: 3rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 1rem;
}

.footer-logo-text {
  display: flex;
  flex-direction: column;
  font-family: var(--font-title);
  font-size: 1rem;
}

.footer-logo-text strong { font-weight: 900; color: white; letter-spacing: 0.08em; }
.footer-logo-text em { font-style: normal; font-weight: 400; font-size: 0.65rem; letter-spacing: 0.14em; color: var(--color-accent); }

.footer-desc { font-size: 0.88rem; line-height: 1.75; margin-bottom: 1.25rem; }

.footer-social {
  display: flex;
  gap: 10px;
}

.social-link {
  width: 38px; height: 38px;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.6);
  transition: background var(--transition), color var(--transition), border-color var(--transition);
}

.social-link:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

.footer-heading {
  font-family: var(--font-title);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: 1.25rem;
}

.footer-links { display: flex; flex-direction: column; gap: 0.5rem; }
.footer-links a {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
  transition: color var(--transition), padding-left var(--transition);
}

.footer-links a:hover {
  color: var(--color-primary);
  padding-left: 4px;
}

.footer-contact { font-style: normal; display: flex; flex-direction: column; gap: 0.85rem; }

.footer-contact-item {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 0.85rem;
}

.footer-contact-item svg { flex-shrink: 0; margin-top: 2px; color: var(--color-primary); }
.footer-contact-item a { color: rgba(255,255,255,0.6); transition: color var(--transition); }
.footer-contact-item a:hover { color: var(--color-primary); }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
}

.footer-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.4);
}

.footer-legal { display: flex; gap: 1rem; }
.footer-legal a { color: rgba(255,255,255,0.4); transition: color var(--transition); }
.footer-legal a:hover { color: var(--color-primary); }

/* ---- Placeholders SVG images ----------------------------- */
.img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-secondary) 0%, #2d4a7a 100%);
}

/* Gradients par catégorie */
.ph-residential { background: linear-gradient(135deg, #1A2B4A 0%, #2d4a7a 100%); }
.ph-commercial  { background: linear-gradient(135deg, #1C1C1C 0%, #333 100%); }
.ph-industrial  { background: linear-gradient(135deg, #2d1a0a 0%, #5c3811 100%); }
.ph-renovation  { background: linear-gradient(135deg, #0a2818 0%, #1a5c3a 100%); }

/* ---- Scroll-to-top button -------------------------------- */
#scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 48px; height: 48px;
  background: var(--color-primary);
  color: white;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(212,134,11,0.4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition), visibility var(--transition), transform var(--transition), background var(--transition);
  z-index: 999;
}

#scroll-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

#scroll-top:hover { background: #b8720a; }

/* ---- Responsive ----------------------------------------- */
@media (max-width: 1280px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 1024px) {
  .expertise-grid { grid-template-columns: repeat(2, 1fr); }
  .recent-grid    { grid-template-columns: repeat(2, 1fr); }
  .why-grid       { grid-template-columns: repeat(3, 1fr); }
  .gallery-grid   { grid-template-columns: repeat(2, 1fr); }
  .stats-grid     { grid-template-columns: repeat(2, 1fr); }
  .service-block  { grid-template-columns: 1fr; gap: 2rem; }
  .service-block.reverse { direction: ltr; }
  .team-grid      { grid-template-columns: repeat(3, 1fr); }
  .contact-layout { grid-template-columns: 1fr; gap: 2rem; }
  .contact-info-card { position: static; }
  .timeline::before { left: 20px; }
  .timeline-item { grid-template-columns: 20px 1fr; gap: 1rem; }
  .timeline-item:nth-child(odd) .timeline-content,
  .timeline-item:nth-child(even) .timeline-content { grid-column: 2; text-align: left; }
  .timeline-item:nth-child(odd) .timeline-empty,
  .timeline-item:nth-child(even) .timeline-empty { display: none; }
  .timeline-dot { grid-column: 1; }
  .lightbox-prev { left: 0; }
  .lightbox-next { right: 0; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; }

  .section { padding: 60px 0; }

  .navbar-menu, .navbar-cta { display: none; }
  .navbar-burger { display: flex; }
  .navbar-mobile { display: block; }

  .hero-title { font-size: clamp(2rem, 8vw, 3rem); }

  .stats-grid   { grid-template-columns: repeat(2, 1fr); }
  .stat-item::after { display: none; }
  .expertise-grid { grid-template-columns: 1fr; }
  .recent-grid  { grid-template-columns: 1fr; }
  .why-grid     { grid-template-columns: 1fr; }
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }
  .team-grid    { grid-template-columns: 1fr; }
  .values-grid  { grid-template-columns: 1fr; }
  .form-row     { grid-template-columns: 1fr; }
  .footer-grid  { grid-template-columns: 1fr; gap: 2rem; }
  .footer-bottom-inner { flex-direction: column; text-align: center; }
  .footer-legal { flex-wrap: wrap; justify-content: center; }
  .service-features { grid-template-columns: 1fr; }
}

@media (max-width: 480px) {
  .stats-grid   { grid-template-columns: 1fr 1fr; }
  .gallery-grid { grid-template-columns: 1fr; }
  .hero-cta     { flex-direction: column; }
  .hero-cta .btn { width: 100%; justify-content: center; }
  .lightbox-prev, .lightbox-next { display: none; }
}