/* ========================================
   VARIABLES & RESET
   ======================================== */

:root {
  /* Couleurs principales */
  --color-primary: #1a1a2e;
  --color-secondary: #16213e;
  --color-accent: #e94560;
  --color-accent-hover: #d63651;
  
  /* Couleurs de texte */
  --color-text: #2d3748;
  --color-text-light: #718096;
  --color-text-white: #ffffff;
  
  /* Couleurs de fond */
  --color-bg: #ffffff;
  --color-bg-grey: #f7fafc;
  --color-bg-dark: #1a1a2e;
  
  /* Bordures */
  --color-border: #e2e8f0;
  
  /* Ombres */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
  --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.2);
  
  /* Espacements */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  
  /* Typographie */
  --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
  
  /* Transitions */
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* ========================================
   TOPBAR / NAVIGATION
   ======================================== */

.topbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.topbar.scrolled {
  background: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.topbar-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.5px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav a {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-text);
  position: relative;
}

.nav a:not(.nav-btn):hover {
  color: var(--color-accent);
}

.nav a:not(.nav-btn)::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width 0.3s ease;
}

.nav a:not(.nav-btn):hover::after {
  width: 100%;
}

.nav-btn {
  padding: 0.6rem 1.5rem;
  background: var(--color-accent);
  color: var(--color-text-white);
  border-radius: 8px;
  font-weight: 600;
  transition: var(--transition);
}

.nav-btn:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* Menu mobile */
.mobile-menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.5rem;
  z-index: 1001;
}

.mobile-menu-toggle span {
  display: block;
  width: 25px;
  height: 3px;
  background: var(--color-primary);
  border-radius: 3px;
  transition: var(--transition);
}

.mobile-menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.mobile-menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6rem 2rem 4rem;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(233, 69, 96, 0.1) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(233, 69, 96, 0.1) 0%, transparent 50%);
  z-index: -1;
}

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  animation: fadeInUp 1s ease-out;
}

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

.hero-kicker {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 1rem;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 1.5rem;
  line-height: 1.1;
  letter-spacing: -1px;
}

.hero-text {
  font-size: clamp(1rem, 2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2.5rem;
  line-height: 1.7;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.btn-primary {
  padding: 1rem 2rem;
  background: var(--color-accent);
  color: var(--color-text-white);
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-block;
}

.btn-primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.btn-ghost {
  padding: 1rem 2rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--color-text-white);
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 10px;
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  display: inline-block;
  backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
  transform: translateY(-3px);
}

.hero-badge {
  display: flex;
  gap: 2rem;
  justify-content: center;
  flex-wrap: wrap;
}

.hero-badge span {
  font-size: 0.9rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 1.5rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50px;
  backdrop-filter: blur(10px);
}

/* ========================================
   SECTIONS
   ======================================== */

.section {
  padding: var(--spacing-2xl) 2rem;
}

.section-grey {
  background: var(--color-bg-grey);
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  margin: 0 auto;
}

/* ========================================
   ABOUT SECTION
   ======================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: center;
}

.about-text p {
  margin-bottom: 1.5rem;
  font-size: 1.05rem;
  line-height: 1.8;
  color: var(--color-text);
}

.about-text p:last-of-type {
  margin-bottom: 2rem;
}

.highlight-banner {
  background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-hover) 100%);
  padding: 1.5rem 2rem;
  border-radius: 12px;
  color: var(--color-text-white);
  box-shadow: var(--shadow-md);
}

.highlight-title {
  font-size: 1.25rem;
  font-weight: 700;
  display: block;
  margin-bottom: 0.5rem;
}

.highlight-text {
  font-size: 1rem;
  line-height: 1.6;
  opacity: 0.95;
  margin: 0;
}

.about-photo {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.about-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.about-photo:hover img {
  transform: scale(1.05);
}

/* ========================================
   SERVICES SECTION
   ======================================== */

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

.card {
  background: var(--color-bg);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card {
  display: flex;
  flex-direction: column;
}

.service-img-wrapper {
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.service-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-img {
  transform: scale(1.1);
}

.service-content {
  padding: 1.5rem;
}

.service-content h3 {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.75rem;
}

.service-content p {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-light);
}

/* ========================================
   GALLERY SECTION
   ======================================== */

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.gallery-card {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  background: var(--color-bg);
}

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

.gallery-card img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-card:hover img {
  transform: scale(1.08);
}

.gallery-card figcaption {
  padding: 1rem;
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
}

/* ========================================
   CONTACT SECTION
   ======================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-xl);
  align-items: start;
}

.contact-info h2 {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.contact-info p {
  font-size: 1.05rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.contact-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

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

.contact-list .icon {
  flex-shrink: 0;
  color: var(--color-accent);
  margin-top: 0.2rem;
}

.contact-list strong {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
}

.contact-list a {
  color: var(--color-accent);
  font-weight: 500;
}

.contact-list a:hover {
  text-decoration: underline;
}

/* Formulaire */
.contact-form {
  background: var(--color-bg);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
}

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

.form-group label {
  display: block;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.required {
  color: var(--color-accent);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
  color: var(--color-text);
  transition: var(--transition);
  background: var(--color-bg);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
}

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

.form-help {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin-top: 0.5rem;
}

.btn-full {
  width: 100%;
  padding: 1rem;
  font-size: 1.05rem;
}

/* ========================================
   FOOTER
   ======================================== */

.footer {
  background: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 2rem;
  text-align: center;
}

.footer p {
  margin: 0.5rem 0;
  font-size: 0.95rem;
}

.footer-name {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-white);
  margin-bottom: 1rem !important;
  letter-spacing: 0.5px;
}

.footer-address {
  font-size: 0.9rem;
  opacity: 0.7;
}

/* ========================================
   RESPONSIVE - TABLETTES
   ======================================== */

@media (max-width: 1024px) {
  .topbar-inner {
    padding: 1rem 1.5rem;
  }
  
  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
  }
  
  .about-photo {
    max-height: 400px;
  }
}

/* ========================================
   RESPONSIVE - MOBILE
   ======================================== */

@media (max-width: 768px) {
  .mobile-menu-toggle {
    display: flex;
  }
  
  .nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: flex-start;
    padding: 6rem 2rem 2rem;
    gap: 1.5rem;
    box-shadow: var(--shadow-xl);
    transition: right 0.4s ease;
    z-index: 999;
  }
  
  .nav.active {
    right: 0;
  }
  
  .nav a {
    font-size: 1.1rem;
    width: 100%;
  }
  
  .nav-btn {
    width: 100%;
    text-align: center;
  }
  
  .hero {
    min-height: 90vh;
    padding: 5rem 1.5rem 3rem;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  
  .btn-primary,
  .btn-ghost {
    width: 100%;
    text-align: center;
  }
  
  .hero-badge {
    flex-direction: column;
    gap: 1rem;
  }
  
  .section {
    padding: var(--spacing-xl) 1.5rem;
  }
  
  .grid-3 {
    grid-template-columns: 1fr;
  }
  
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-form {
    padding: 1.5rem;
  }
  
  .contact-list li {
    flex-direction: column;
    gap: 0.5rem;
  }
}

@media (max-width: 480px) {
  .topbar-inner {
    padding: 0.875rem 1rem;
  }
  
  .logo {
    font-size: 1.25rem;
  }
  
  .section-header h2 {
    font-size: 1.75rem;
  }
  
  .contact-info h2 {
    font-size: 2rem;
  }
  
  .service-img-wrapper {
    height: 200px;
  }
  
  .gallery-card img {
    height: 220px;
  }
}