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

:root {
  --primary-color: #6b8e4e;
  --primary-dark: #5a7641;
  --primary-light: #8baf6b;
  --secondary-color: #3d4a4c;
  --secondary-dark: #2c3638;
  --text-dark: #2c3638;
  --text-light: #6b7280;
  --bg-light: #f9fafb;
  --white: #ffffff;
  --success: #10b981;
  --shadow: rgba(0, 0, 0, 0.1);
  --shadow-lg: rgba(0, 0, 0, 0.15);
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: var(--white);
  box-shadow: 0 2px 10px var(--shadow);
  z-index: 1000;
  transition: all 0.3s ease;
}

.navbar {
  padding: 1rem 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo img {
  height: 50px;
  width: auto;
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-dark);
  cursor: pointer;
}

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

.nav-link {
  text-decoration: none;
  color: var(--text-dark);
  font-weight: 500;
  transition: color 0.3s ease;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width 0.3s ease;
}

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

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

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('../img/hero-bg.png') no-repeat center center/cover;
  color: var(--white);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 800px;
  animation: fadeInUp 1s ease;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.95;
  font-weight: 300;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2.5rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-block;
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary-color);
  color: var(--white);
  box-shadow: 0 4px 15px rgba(107, 142, 78, 0.3);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(107, 142, 78, 0.4);
}

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

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

.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-size: 2rem;
  color: var(--white);
  animation: bounce 2s infinite;
  cursor: pointer;
}

/* Services Section */
.services {
  padding: 6rem 0;
  background: var(--white);
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 30px var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-light)
  );
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  font-size: 2rem;
  color: var(--white);
}

.service-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-dark);
}

.service-card p {
  color: var(--text-light);
  line-height: 1.8;
}

/* Expertise Section */
.expertise {
  padding: 6rem 0;
  background: var(--bg-light);
}

.expertise-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.expertise-text {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

.expertise-features {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.feature-item i {
  color: var(--primary-color);
  font-size: 1.5rem;
  margin-top: 0.25rem;
}

.feature-item h4 {
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.feature-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.expertise-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 30px var(--shadow-lg);
}

.expertise-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.stat-card {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 30px var(--shadow-lg);
}

.stat-card i {
  font-size: 3rem;
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-label {
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 500;
}

/* Réalisations Section */
.realisations {
  padding: 6rem 0;
  background: var(--white);
}

.realisations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.realisation-card {
  background: var(--white);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 20px var(--shadow);
  transition: all 0.3s ease;
}

.realisation-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 8px 30px var(--shadow-lg);
}

.realisation-image {
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--primary-color),
    var(--primary-light)
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
  color: var(--white);
}

.realisation-content {
  padding: 2rem;
}

.realisation-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-dark);
}

.realisation-content p {
  color: var(--text-light);
  margin-bottom: 1rem;
  line-height: 1.6;
}

.realisation-tag {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: var(--bg-light);
  color: var(--primary-color);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

/* Contact Section */
.contact {
  padding: 6rem 0;
  background: var(--bg-light);
}

.contact-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
}

.contact-text {
  font-size: 1.125rem;
  color: var(--text-light);
  margin-bottom: 2rem;
  line-height: 1.8;
}

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

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

.contact-item i {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: var(--white);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}

.contact-item h4 {
  margin-bottom: 0.25rem;
  color: var(--text-dark);
}

.contact-item p {
  color: var(--text-light);
}

.contact-form-wrapper {
  position: relative;
}

.contact-form {
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 2px solid #e5e7eb;
  border-radius: 8px;
  font-family: 'Inter', sans-serif;
  font-size: 1rem;
  transition: all 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(107, 142, 78, 0.1);
}

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

.contact-form button {
  width: 100%;
  padding: 1rem;
  background: var(--primary-color);
  color: var(--white);
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
}

.contact-form button:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(107, 142, 78, 0.3);
}

.form-success {
  display: none;
  background: var(--white);
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 4px 20px var(--shadow);
  text-align: center;
}

.form-success.show {
  display: block;
}

.form-success i {
  font-size: 4rem;
  color: var(--success);
  margin-bottom: 1rem;
}

.form-success p {
  font-size: 1.125rem;
  color: var(--text-dark);
}

/* Footer */
.footer {
  background: var(--bg-light);
  color: var(--text-dark);
  padding: 4rem 0 2rem;
  border-top: 1px solid #e5e7eb;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-logo img {
  height: 50px;
  margin-bottom: 1rem;
}

.footer-section h4 {
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-section p {
  color: var(--text-light);
  line-height: 1.8;
}

.footer-section ul {
  list-style: none;
}

.footer-section ul li {
  margin-bottom: 0.75rem;
}

.footer-section ul li a {
  color: var(--text-dark);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section ul li a:hover {
  color: var(--primary-color);
}

.footer-section ul li i {
  margin-right: 0.5rem;
  color: var(--primary-color);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.footer-bottom p {
  color: var(--text-light);
  margin-bottom: 0.5rem;
}

.footer-bottom a {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: 500;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes bounce {
  0%,
  20%,
  50%,
  80%,
  100% {
    transform: translateX(-50%) translateY(0);
  }
  40% {
    transform: translateX(-50%) translateY(-10px);
  }
  60% {
    transform: translateX(-50%) translateY(-5px);
  }
}

/* Responsive Design */
@media (max-width: 968px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .expertise-wrapper,
  .contact-wrapper {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .expertise-stats {
    grid-template-columns: repeat(3, 1fr);
  }

  .services-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .mobile-toggle {
    display: block;
  }

  .nav-menu {
    position: fixed;
    top: 80px;
    left: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: var(--white);
    flex-direction: column;
    padding: 2rem;
    gap: 1rem;
    transition: left 0.3s ease;
    box-shadow: 0 4px 10px var(--shadow);
  }

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

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .expertise-stats {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 480px) {
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }

  .btn {
    width: 100%;
  }

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