/* Variables CSS */
:root {
  /* Couleurs */
  --primary-color: #FF5C00;
  --primary-color-alpha: rgba(255, 92, 0, 0.2);
  --secondary-color: rgba(0, 0, 0, 0.5);
  --white-color: #ffffff;
  --gray-dark: #2d3748;
  --gray-light: #e2e8f0;
  --background-dark: #0a0a0a;
  --background-light: rgba(255, 255, 255, 0.1);

  /* Typographie */
  --font-family: 'Inter', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 2rem;
  --font-size-4xl: 3rem;

  /* Espacement */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing: 2rem;

  /* Bordures */
  --border-width: 3px;
  --border-primary: var(--border-width) solid var(--primary-color);
  --border-radius-sm: 1rem;
  --border-radius-md: 1.5rem;
  --border-radius-lg: 2rem;
  --border-radius-full: 9999px;

  /* Ombres */
  --shadow-sm: 0 4px 6px rgba(0, 0, 0, 0.1);
  --shadow-md: 0 6px 16px rgba(255, 92, 0, 0.5);
  --shadow-dark: 0 4px 6px rgba(0, 0, 0, 0.3);
  
  /* Transitions */
  --transition-base: 0.3s ease;
}

/* ============================================
   RESET & GLOBAL STYLES
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}


body {
  font-family: var(--font-family);
  background-image: url(/assets/images/backgrounds/main-bg.webp);
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  background-color: var(--background-dark); /* Fallback */
  color: var(--white-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

/* Selection */
::selection {
  background-color: var(--primary-color);
  color: var(--white-color);
}

/* Focus visible pour accessibilité */
*:focus-visible {
  outline: 3px solid var(--primary-color);
  outline-offset: 4px;
  border-radius: 4px;
}

/* ================================
   SKIP LINK (Accessibilité)
   ================================ */
.skip-link {
  position: absolute;
  top: -100px;
  left: 0;
  background: var(--primary-color);
  color: var(--white-color);
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  font-weight: 600;
  z-index: 9999;
}

.skip-link:focus {
  top: 0;
}

/* ================================
   PAGE LOADER
   ================================ */

.page-loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #0a0a0a;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.5s, visibility 0.5s;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.loader-content {
  text-align: center;
}

.loader-logo {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  color: var(--white-color);
  margin-bottom: var(--spacing-md);
  animation: pulse 2s ease-in-out infinite;
}

.loader-bar {
  width: 200px;
  height: 4px;
  background: var(--background-light);
  border-radius: 2px;
  overflow: hidden;
  position: relative;
}

.loader-bar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  background: var(--primary-color);
  border-radius: 2px;
  animation: loading 1.5s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.7; transform: scale(1.05); }
}

@keyframes loading {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(300%); }
}

/* ============================================
   HEADER & NAVIGATION
   ============================================ */

header {
  background-color: rgba(0, 0, 0, 0.1);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 0 var(--spacing-lg);
  border-bottom: var(--border-primary);
  animation: slideDown 0.5s ease-out;
}

@keyframes slideDown {
  from {
    transform: translateY(-100%);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

/* Navigation Bar */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-sm) 0;
}

.logo {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: var(--white-color);
  transition: color var(--transition-base);
  position: relative;
}

.logo::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-speed);
}

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

.logo:hover {
  color: var(--primary-color);
  transform: translateY(-2px);
}

.logo-text {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--white-color);
  letter-spacing: -0.5px;
}

/* Navigation Links */
.nav-links {
  display: none;
  flex-direction: column;
  gap: var(--spacing-lg);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.98);
  backdrop-filter: blur(10px);
  justify-content: center;
  align-items: center;
  z-index: 100;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.nav-links.active {
  display: flex;
  opacity: 1;
  animation: fadeIn var(--transition-base);
}

@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}

.nav-link {
  color: var(--white-color);
  font-size: var(--font-size-2xl);
  font-weight: 600;
  transition: all var(--transition-base);
  padding: var(--spacing-xs) var(--spacing-sm);
  position: relative;
}

.nav-link::before {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: width var(--transition-speed);
}

.nav-link:hover::before,
.nav-link:focus::before {
  width: 100%;
}

.nav-link:hover,
.nav-link:focus {
  color: var(--primary-color);
  transform: translateX(10px);
  outline: none;
}

/* Contact Button */
.contact-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-xs);
  background: var(--primary-color-alpha);
  border: var(--border-primary);
  color: var(--white-color);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--border-radius-full);
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.contact-link:hover {
  background: var(--primary-color);
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

/* Burger Menu */
.burger-menu {
  display: block;
  background: none;
  border: none;
  color: var(--white-color);
  cursor: pointer;
  padding: var(--spacing-xs);
  z-index: 110;
  transition: transform var(--transition-base);
}

.burger-menu:hover {
  transform: scale(1.1);
}

.burger-menu:focus {
  border-radius: 5px;
  outline: 2px solid var(--primary-color);
  outline-offset: 4px;
}

.burger-icon {
  height: var(--spacing-md);
  width: var(--spacing-md);
  display: block;
}

/* Animation des lignes du burger en X */
.burger-menu.active .burger-line-top {
  transform: translateY(4.25px) translateX(-4.25px) rotate(45deg);
  transform-origin: center;
}

.burger-menu.active .burger-line-middle {
  opacity: 0;
}

.burger-menu.active .burger-line-bottom {
  transform: translateY(-4.25px) translateX(-4.25px) rotate(-45deg);
  transform-origin: center;
}

.burger-line-top,
.burger-line-middle,
.burger-line-bottom {
  transition: transform 0.3s, opacity 0.3s;
}

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

.hero {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--spacing-lg);
  padding: var(--spacing-lg);
}

.hero-title {
  font-size: var(--font-size-4xl);
  font-weight: 800;
  line-height: 1.2;
  max-width: 80%;
}

.hero-subtitle {
  font-size: var(--font-size-xl);
  font-weight: 600;
}

.hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: var(--font-size-lg);
  max-width: 70%;
  padding-left: var(--spacing-sm);
  border-left: var(--border-primary);
  line-height: 1.6;
}

.hero-image {
  max-width: 40%;
  width: 100%;
  height: auto;
  aspect-ratio: attr(width) / attr(height);
  object-fit: contain;
  border-radius: var(--spacing-xl);
  box-shadow: var(--shadow-dark);
}

.hero-project{
	display: flex;
	flex-direction: row;
	align-items: flex-start;
	gap: inherit;
}

.hero-project-description {
	display: flex;
	flex-direction: column;
	gap: inherit;
}

#project-description {
	background-color: var(--secondary-color);
	border-radius: 0 var(--border-radius-lg) var(--border-radius-lg) 0;
    padding: var(--spacing-sm);
}

/* Call to Action Button */

.cta {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color-alpha);
  border: var(--border-primary);
  color: var(--white-color);
  padding: 0.75rem var(--spacing-lg);
  border-radius: var(--border-radius-full);
  font-size: var(--font-size-xl);
  font-weight: 600;
  transition: background-color var(--transition-base), transform var(--transition-base);
  box-shadow: var(--shadow-sm);
}

.cta:hover {
  background-color: var(--primary-color);
  transform: scale(1.05);
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects {
  padding: var(--spacing-xl) var(--spacing-lg);
}

.projects-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  margin-bottom: var(--spacing-lg);
  border-bottom: var(--border-primary);
  padding-bottom: var(--spacing-xs);
}

.projects-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-lg);
}

.project-card {
  background-color: var(--secondary-color);
  border-radius: var(--border-radius-md);
  border: 2px solid var(--primary-color);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.project-card:hover {
  transform: translateY(-0.25rem);
  box-shadow: var(--shadow-md);
}

.project-image {
  background-color: var(--gray-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white-color);
  font-weight: 700;
  text-transform: uppercase;
  border-bottom: 1px solid var(--primary-color);
  aspect-ratio: 1 / 1; /* Définit un carré */
  width: 100%;
  overflow: hidden;
}

.project-image img {
  width: 100%;
  height: 100%;
  object-fit: cover; /* Assure que l'image remplit le carré sans déformation */
}

.project-content {
  padding: 1.25rem;
}

.project-title {
  font-size: var(--font-size-xl);
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
}

.project-description {
  font-size: var(--font-size-base);
  color: var(--gray-light);
}

/* ============================================
   Contact Section
   ============================================ */
.contact-methods {
  display: flex;
  flex-direction: column;
  margin: 0 var(--spacing-lg) 0 var(--spacing-lg);
  gap: var(--spacing-sm);
}

.social-links {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.social-links li {
  list-style: none;
  padding: 0;
  margin: 0;
}

.social-links a {
  color: var(--primary-color);
  text-decoration: none;
}

.social-links a:hover {
  text-decoration: underline;
}

/* Styles pour les liens sociaux */
.social-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  color: var(--white-color);
  font-size: var(--font-size-lg);
  font-weight: 600;
  text-decoration: none;
  transition: transform var(--transition-base), color var(--transition-base);
}

.social-link img {
  width: 24px;
  height: 24px;
  transition: transform var(--transition-base);
}

.social-icon {
  color: var(--primary-color);
  width: 800px;
  height: 800px;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  background-color: var(--secondary-color);
  padding: var(--spacing-md);
  border-top: 2px solid var(--primary-color);
  margin-top: auto;
}

.footer-text {
  font-size: var(--font-size-sm);
  color: var(--white-color);
  text-align: center;
}

/* VALIDÉ */

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */

/* Tablet & Desktop - 640px + */
@media (min-width: 640px) {
  .burger-menu {
    display: none;
  }

  .nav-links {
    display: flex;
    position: static;
    flex-direction: row;
    gap: var(--spacing-sm);
    background: transparent;
    backdrop-filter: none;
    width: auto;
    height: auto;
    justify-content: flex-end;
    align-items: center;
    opacity: 1;
  }

  .nav-link {
    font-size: var(--font-size-base);
  }

  .nav-link:hover {
    transform: none;
  }
}

/* Medium Tablets - 768px + */
@media (min-width: 768px) {
  .hero-title {
    max-width: 100%;
  }

  .hero-text {
    max-width: 100%;
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
  }

  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .cta,
  .cta-large {
    font-size: 1.125rem;
    padding: 0.875rem 2rem;
    gap: 0.875rem;
  }
}

/* Small Laptops - 640px - 1023px */
@media (max-width: 1023px) and (min-width: 640px) {
  .hero-project {
	flex-direction: column;
  }
}

/* Desktop - 1024px + */
@media (min-width: 1024px) {
  .projects-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* Large Desktops - 1440px + */
@media (min-width: 1440px) {
  .hero-title {
    font-size: var(--font-size-4xl);
    max-width: 70%;
  }

  .hero-text {
    font-size: var(--font-size-xl);
    max-width: 60%;
  }
}

/* Mobile - Max 639px */
@media (max-width: 639px) {

  .hero-project {
	flex-direction: column;
  }

  .hero-title {
    font-size: var(--font-size-3xl);
    max-width: 100%;
  }
  
  .hero-text {
	font-size: var(--font-size-base);
	max-width: 90%;
    padding: 0;
  }

  .hero-image {
	max-width: 100%;
	border-radius: var(--border-radius-sm);
  }

  .cta {
    font-size: var(--font-size-lg);
    padding: var(--spacing-xs) var(--spacing-md);
  }

  .contact-link {
  font-size: var(--font-size-2xl);
  padding: 0.75rem var(--spacing-md);
  }

  .projects-title {
    font-size: var(--font-size-2xl);
  }

  .projects-grid {
    gap: var(--spacing-md);
  }

  .project-title {
    font-size: 1.15rem;
  }

  .footer-text {
    font-size: var(--spacing-xs);
  }
}

/* Very Small Mobile - Max 360px */
@media (max-width: 360px) {
  .hero-title {
	font-size: 1.75rem;
  }

  .hero-text {
	font-size: var(--font-size-sm);
  }

  .cta {
	font-size: var(--font-size-base);
	padding: var(--spacing-xs) var(--spacing-sm);
  }

  .projects-grid {
	gap: var(--spacing-sm);
  }

  .footer-text {
    font-size: 0.65rem;
  }
}