:root {
  --color-primary: #fb0505;
  --color-dark: #1b1b1b;
  --color-white: #ffffff;
  --color-gray: #f5f5f5;
  --color-text: #444444;
  --font-main: 'Montserrat', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

a {
  text-decoration: none;
  color: inherit;
}

ul {
  list-style: none;
}

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

.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
}

.btn {
  display: inline-block;
  padding: 12px 28px;
  border: 2px solid var(--color-primary);
  color: var(--color-primary);
  font-weight: 700;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  transition: all 0.3s ease;
  cursor: pointer;
  background: transparent;
}

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

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

.btn-filled:hover {
  background: transparent;
  color: var(--color-primary);
}

/* Top Bar */
.top-bar {
  background: var(--color-primary);
  color: var(--color-white);
  font-size: 0.8rem;
  padding: 8px 0;
}

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

.top-bar-info {
  display: flex;
  gap: 20px;
}

.top-bar-info span {
  display: flex;
  align-items: center;
  gap: 6px;
}

.top-bar-social {
  display: flex;
  gap: 15px;
}

.top-bar-social a {
  color: var(--color-white);
  transition: opacity 0.3s;
}

.top-bar-social a:hover {
  opacity: 0.8;
}

/* Header */
.main-header {
  background: var(--color-white);
  padding: 15px 0;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

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

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

.logo img {
  height: 80px;
  width: auto;
}

.desktop-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.desktop-nav ul {
  display: flex;
  gap: 25px;
}

.desktop-nav ul li a {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-dark);
  transition: color 0.3s;
}

.desktop-nav ul li a:hover {
  color: var(--color-primary);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 5px;
}

.menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-dark);
  transition: all 0.3s;
}

/* Offcanvas */
.offcanvas-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.5);
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

.offcanvas-overlay.active {
  opacity: 1;
  visibility: visible;
}

.offcanvas-menu {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100%;
  background: var(--color-white);
  z-index: 2001;
  padding: 80px 30px 30px;
  transition: right 0.3s ease;
  box-shadow: -5px 0 20px rgba(0,0,0,0.1);
}

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

.offcanvas-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--color-dark);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.offcanvas-menu ul {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.offcanvas-menu ul li a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-dark);
  display: block;
  padding: 10px 0;
  border-bottom: 1px solid #eee;
  transition: color 0.3s;
}

.offcanvas-menu ul li a:hover {
  color: var(--color-primary);
}

.offcanvas-menu .btn {
  margin-top: 20px;
  text-align: center;
  display: block;
}

/* Hero */
.hero {
  position: relative;
  height: 600px;
  display: flex;
  align-items: center;
  background: url('../img/hero-bg.jpg') center/cover no-repeat;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(27, 27, 27, 0.75);
}

.hero .container {
  position: relative;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
}

.hero-content {
  max-width: 600px;
  color: var(--color-white);
}

.hero-content h2 {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 15px;
}

.hero-content h3 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 20px;
  color: var(--color-primary);
}

.hero-content p {
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 30px;
  max-width: 500px;
}

.hero-sidebar {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 40px 30px;
  width: 300px;
  height: 600px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: absolute;
  right: 0;
  top: 0;
}

.hero-sidebar h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 30px;
  color: var(--color-white);
}

.service-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
}

.service-item .icon {
  font-size: 1.8rem;
  min-width: 40px;
}

.service-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 5px;
}

.service-item p {
  font-size: 0.8rem;
  line-height: 1.4;
  opacity: 0.9;
}

.hero-sidebar .btn {
  border-color: var(--color-white);
  color: var(--color-white);
  margin-top: 10px;
  font-size: 0.7rem;
  padding: 10px 20px;
  text-align: center;
}

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

/* Devis Express */
.devis-express {
  padding: 40px 0;
  border-bottom: 1px solid #eee;
}

.devis-express .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.devis-express h2 {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--color-dark);
}

/* About */
.about-section {
  padding: 80px 0 0;
}

.about-main {
  display: flex;
  gap: 50px;
  align-items: flex-start;
}

.about-image {
  flex: 1;
  min-width: 400px;
}

.about-image img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.about-content {
  flex: 1;
  padding-top: 20px;
}

.about-content h2 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 20px;
  text-transform: uppercase;
}

.about-content .divider {
  width: 50px;
  height: 4px;
  background: var(--color-primary);
  margin-bottom: 25px;
}

.about-text-columns {
  display: flex;
  gap: 30px;
  margin-bottom: 20px;
}

.about-text-columns p {
  font-size: 0.85rem;
  line-height: 1.8;
  flex: 1;
}

.about-content > p {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 15px;
}

.about-stats {
  display: flex;
  margin-top: 40px;
  margin-left: -50px;
}

.stat-box {
  flex: 1;
  padding: 30px;
  text-align: center;
  color: var(--color-white);
}

.stat-box.years {
  background: var(--color-primary);
}

.stat-box.clients {
  background: var(--color-dark);
}

.stat-box .number {
  font-size: 2.5rem;
  font-weight: 800;
  display: block;
  margin-bottom: 5px;
}

.stat-box .label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Value */
.value-section {
  padding: 80px 0;
  background: var(--color-gray);
}

.value-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-dark);
  text-transform: uppercase;
  margin-bottom: 15px;
}

.value-section .divider {
  width: 50px;
  height: 4px;
  background: var(--color-primary);
  margin: 0 auto 50px;
}

.value-content {
  display: flex;
  gap: 60px;
}

.value-left {
  flex: 1;
}

.value-left h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-dark);
}

.value-left h4 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 15px;
}

.value-left p {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 20px;
}

.value-box {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 25px;
  font-size: 0.85rem;
  line-height: 1.8;
}

.value-box h5 {
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-primary);
}

.value-box strong {
  color: var(--color-primary);
}

.value-right {
  flex: 1;
}

.value-right h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--color-dark);
}

.value-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.value-list-item {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.9rem;
}

.value-list-item .icon {
  color: var(--color-primary);
  font-size: 1.2rem;
  min-width: 24px;
}

/* Services */
.services-section {
  padding: 80px 0;
}

.services-section h2 {
  text-align: center;
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-dark);
  text-transform: uppercase;
  margin-bottom: 15px;
}

.services-section .divider {
  width: 50px;
  height: 4px;
  background: var(--color-primary);
  margin: 0 auto 50px;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

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

.service-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  margin-bottom: 20px;
}

.service-card h3 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-dark);
  text-transform: uppercase;
  margin-bottom: 15px;
}

.service-card p {
  font-size: 0.8rem;
  line-height: 1.8;
  color: var(--color-text);
  margin-bottom: 20px;
}

.service-card .btn {
  font-size: 0.7rem;
  padding: 8px 20px;
}

/* Steps */
.steps-section {
  padding: 80px 0;
  background: var(--color-gray);
}

.steps-content {
  display: flex;
  gap: 60px;
}

.steps-left {
  flex: 1;
  padding-right: 40px;
}

.steps-left h2 {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-dark);
  margin-bottom: 10px;
}

.steps-left h3 {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--color-dark);
  text-transform: uppercase;
  margin-bottom: 20px;
  line-height: 1.5;
}

.steps-left .divider {
  width: 50px;
  height: 4px;
  background: var(--color-primary);
  margin-bottom: 30px;
}

.steps-left p {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 30px;
}

.steps-right {
  flex: 1.5;
  background: var(--color-white);
  padding: 40px;
}

.step-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0;
  border-bottom: 1px solid #eee;
}

.step-item:last-child {
  border-bottom: none;
}

.step-item h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-dark);
}

.step-item .step-icon {
  color: var(--color-primary);
  font-size: 1.2rem;
}

.step-intro {
  font-size: 0.85rem;
  line-height: 1.8;
  margin-bottom: 20px;
  padding-bottom: 20px;
  border-bottom: 1px solid #eee;
}

/* Contact */
.contact-section {
  display: flex;
  min-height: 400px;
}

.contact-left {
  flex: 1;
  background: var(--color-primary);
  padding: 60px;
  color: var(--color-white);
}

.contact-left h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 15px;
}

.contact-left .divider {
  width: 50px;
  height: 4px;
  background: var(--color-white);
  margin-bottom: 40px;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.form-row {
  display: flex;
  gap: 15px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px;
  border: none;
  font-family: var(--font-main);
  font-size: 0.85rem;
  background: var(--color-white);
  color: var(--color-dark);
}

.contact-form textarea {
  height: 120px;
  resize: none;
}

.contact-form .btn {
  align-self: flex-start;
  border-color: var(--color-white);
  color: var(--color-white);
  margin-top: 10px;
}

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

.contact-right {
  flex: 1;
  background: var(--color-dark);
  padding: 60px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: var(--color-white);
}

.contact-social {
  display: flex;
  gap: 20px;
  margin-bottom: 40px;
}

.contact-social a {
  color: var(--color-white);
  font-size: 1.2rem;
  transition: color 0.3s;
}

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

.contact-info-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  width: 100%;
  max-width: 400px;
}

.contact-info-item {
  display: flex;
  align-items: center;
  gap: 15px;
  font-size: 0.85rem;
}

.contact-info-item .icon {
  color: var(--color-primary);
  font-size: 1rem;
  min-width: 20px;
}

/* Footer */
.main-footer {
  background: var(--color-dark);
  color: var(--color-white);
  padding: 20px 0;
  font-size: 0.8rem;
}

.main-footer .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.main-footer a {
  color: var(--color-primary);
}

/* Responsive */
@media (max-width: 992px) {
  .hero .container {
    flex-direction: column;
    text-align: center;
    padding-top: 40px;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-content p {
    margin: 0 auto 30px;
  }

  .hero-sidebar {
    position: relative;
    width: 100%;
    height: auto;
    padding: 30px;
  }

  .hero {
    height: auto;
    padding-bottom: 0;
  }

  .about-main {
    flex-direction: column;
  }

  .about-image {
    min-width: 100%;
  }

  .about-image img {
    height: auto;
  }

  .about-stats {
    margin-left: 0;
  }

  .value-content {
    flex-direction: column;
  }

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

  .steps-content {
    flex-direction: column;
  }

  .contact-section {
    flex-direction: column;
  }
}

@media (max-width: 768px) {
  .desktop-nav {
    display: none;
  }

  .menu-toggle {
    display: flex;
  }

  .top-bar .container {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .top-bar-info {
    flex-direction: column;
    gap: 5px;
  }

  .hero-content h2 {
    font-size: 2.5rem;
  }

  .devis-express .container {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .about-text-columns {
    flex-direction: column;
  }

  .form-row {
    flex-direction: column;
  }

  .contact-left,
  .contact-right {
    padding: 40px 30px;
  }

  .main-footer .container {
    flex-direction: column;
    gap: 10px;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .logo img {
    height: 60px;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

  .hero-content h3 {
    font-size: 1.2rem;
  }

  .hero-sidebar {
    padding: 20px;
  }

  .hero-sidebar h3 {
    font-size: 1.2rem;
  }

  .service-item .icon {
    font-size: 1.4rem;
    min-width: 30px;
  }

  .service-item h4 {
    font-size: 0.85rem;
  }

  .service-item p {
    font-size: 0.7rem;
  }

  .about-content h2 {
    font-size: 1.5rem;
  }

  .services-section h2 {
    font-size: 1.5rem;
  }

  .steps-left h2 {
    font-size: 2rem;
  }

  .contact-left h2 {
    font-size: 1.5rem;
  }

  .contact-left {
    padding: 30px 20px;
  }

  .contact-right {
    padding: 30px 20px;
  }

  .stat-box .number {
    font-size: 2rem;
  }
}
/* ===== Partenaires - grille de logos ===== */
.partners-logo-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}
.partner-logo-item {
  background: #fff;
  border: 1px solid #eee;
  border-radius: 10px;
  padding: 25px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 130px;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}
.partner-logo-item:hover {
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}
.partner-logo-item img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: filter 0.3s ease, opacity 0.3s ease;
}
.partner-logo-item:hover img {
  filter: grayscale(0%);
  opacity: 1;
}
@media (max-width: 768px) {
  .partners-logo-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ===== Galerie réalisations - images sans texte + lightbox ===== */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.gallery-item {
  overflow: hidden;
  border-radius: 10px;
  cursor: pointer;
  height: 260px;
}
.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.gallery-item:hover img {
  transform: scale(1.12);
}

.lightbox-overlay {
  display: none;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.9);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  padding: 30px;
}
.lightbox-overlay.active {
  display: flex;
}
.lightbox-img {
  max-width: 90%;
  max-height: 90%;
  border-radius: 6px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.5);
  animation: lightboxZoom 0.3s ease;
}
@keyframes lightboxZoom {
  from { transform: scale(0.85); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}
.lightbox-close {
  position: absolute;
  top: 20px;
  right: 35px;
  color: #fff;
  font-size: 2.5rem;
  font-weight: 300;
  cursor: pointer;
  line-height: 1;
}
@media (max-width: 768px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-item {
    height: 180px;
  }
}