:root {
  --primary-color: #2c3e50;
  --secondary-color: #e74c3c;
  --accent-color: #f39c12;
  --text-dark: #2c3e50;
  --text-light: #7f8c8d;
  --white: #ffffff;
  --light-gray: #f0faf0;
  --medium-gray: #ecf0f1;
  --dark-gray: #34495e;
  --gradient-primary: linear-gradient(135deg, #6b705c 0%, #b7b7a4 100%);
  --gradient-secondary: linear-gradient(135deg, #0%, #f5576c 100%);
  --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
}

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

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

.font-serif {
  font-family: "Playfair Display", serif;
}

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

/* Header Styles */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: rgba(255, 255, 255, 1);
  backdrop-filter: blur(10px);
  z-index: 1000;
  transition: all 0.3s ease;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

header.scrolled {
  background: rgba(255, 255, 255, 0.98);
  box-shadow: var(--shadow-soft);
}

/* Logo container */
#logo {
  display: flex;
  align-items: center;
  text-decoration: none;
  padding: 0.5rem 1rem;
}

/* Logo image */
#logo img {
  height: 70px; /* Augmenté à 70px */
  width: auto;
  max-height: 100%;
  display: block;
  object-fit: contain;
}

/* Responsive adjustment */
@media (max-width: 768px) {
  #logo img {
    height: 50px; /* Aussi augmenté pour mobile */
  }
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary-color);
  text-decoration: none;
  position: relative;
}

.logo::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.logo:hover::after {
  width: 100%;
}

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

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

.nav-links a::after {
  content: "";
  position: absolute;
  bottom: -5px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.nav-links a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--primary-color);
}

.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  background: white;
  box-shadow: var(--shadow-soft);
  padding: 1rem;
  transform: translateY(-10px);
  opacity: 0;
  transition: all 0.3s ease;
}

.mobile-menu.active {
  display: block;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  display: block;
  padding: 0.8rem 0;
  text-decoration: none;
  color: var(--text-dark);
  border-bottom: 1px solid var(--medium-gray);
}

/* Hero Section */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url("/res/ImgH2.jpg");
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: white;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
  z-index: 1;
}
.hero-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1; /* derrière le texte */
}


.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
  animation: fadeInUp 1s ease;
}

.hero-content h1 {
  font-size: 4rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-content p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.hero-content .tagline {
  font-size: 1.1rem;
  margin-bottom: 3rem;
  color: var(--light-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  background: var(--gradient-primary);
  color: white;
  text-decoration: none;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.3s ease;
  box-shadow: var(--shadow-soft);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: none;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: "";
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.3),
    transparent
  );
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
}

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

.btn-outline_z {
  background-color: transparent;
  border: 2px solid var(--primary-color);
  color: var(--primary-color);
  padding: 0.5em 1.2em;
  border-radius: 6px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-outline_z:hover {
  background-color: var(--primary-color);
  color: #fff;
  box-shadow: 0 0 0 4px rgba(var(--primary-color-rgb), 0.2);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--gradient-secondary);
}

/* Floating CTA */
.floating-cta {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 1000;
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  animation: pulse 2s infinite;
}

.floating-cta:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-hover);
}

/* Sections */
.section {
  padding: 5rem 0;
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

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

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  color: var(--primary-color);
  position: relative;
}

.section-title::after {
  content: "";
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: var(--gradient-primary);
}

/* Portfolio */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.portfolio-item {
  position: relative;
  overflow: hidden;
  border-radius: 15px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  cursor: pointer;
}

.portfolio-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.portfolio-item img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.portfolio-item:hover img {
  transform: scale(1.1);
}

.portfolio-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.7));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.portfolio-overlay h3 {
  font-size: 1.5rem;
  text-align: center;
}

/* Services */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.service-card {
  text-align: center;
  padding: 2.5rem;
  background: white;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--gradient-primary);
}

.service-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--shadow-hover);
}

.service-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

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

.service-card p {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: var(--shadow-soft);
  text-align: center;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-hover);
}

.testimonial-content {
  font-style: italic;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.testimonial-author {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  object-fit: cover;
}

.testimonial-info h4 {
  color: var(--primary-color);
  margin-bottom: 0.2rem;
}

.testimonial-info p {
  color: var(--text-light);
  font-size: 0.9rem;
}

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

.about-image {
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-soft);
}

.about-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
}

.about-text h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
  color: var(--primary-color);
}

.about-text p {
  margin-bottom: 1.5rem;
  color: var(--text-light);
  line-height: 1.8;
}

.social-links {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.social-links a {
  color: white;
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.social-links a:hover {
  transform: scale(1.2);
}

/* Contact Form */
.contact-form {
  max-width: 800px;
  margin: 0 auto;
  background: white;
  padding: 3rem;
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-group {
  position: relative;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--primary-color);
  font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--medium-gray);
  border-radius: 10px;
  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(102, 126, 234, 0.1);
}

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

.full-width {
  grid-column: 1 / -1;
}

/* Footer */
footer {
  background: var(--primary-color);
  color: white;
  padding: 3rem 0 1rem;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
  margin-bottom: 1rem;
  color: white;
}

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

.footer-section ul li {
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
}

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

@keyframes pulse {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.05);
  }
  100% {
    transform: scale(1);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

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

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

  .floating-cta {
    bottom: 20px;
    right: 20px;
    padding: 0.8rem 1.2rem;
  }

  .section {
    padding: 3rem 0;
  }

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