:root {
  --bg: #0d0d0d;
  --text: #eaeaea;
  --accent: #ff6600;
  --card: #1a1a1a;
  --radius: 12px;
  --transition: 0.3s ease;
}

body.light {
  --bg: #f5f5f5;
  --text: #1c1c1c;
  --accent: #ff6600;
  --card: #ffffff;
}

body {
  margin: 0;
  font-family: "Montserrat", sans-serif;
  background: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
  transition: background var(--transition), color var(--transition);
}

/* HEADER */
header {
  position: fixed;
  top: 0;
  width: 100%;
  background: var(--card);
  color: var(--text);
  padding: 1rem 0;
  z-index: 1000;
  border-bottom: 2px solid var(--accent);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}
.logo {
  font-weight: 700;
  font-size: 1.6rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent);
}
.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}
.nav-links a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: "";
  position: absolute;
  width: 0;
  height: 2px;
  background: var(--accent);
  left: 0;
  bottom: -3px;
  transition: width var(--transition);
}
.nav-links a:hover::after {
  width: 100%;
}
.hamburger {
  display: none;
  font-size: 1.8rem;
  cursor: pointer;
  color: var(--text);
}

/* THEME TOGGLE BUTTON */
#theme-toggle {
  background: none;
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
}
#theme-toggle:hover {
  background: var(--accent);
  color: var(--bg);
}

/* HERO */
.hero {
  height: 100vh;
  background: linear-gradient(rgba(0,0,0,0.6), rgba(0,0,0,0.6)), url('ressources/andhy.png') center/cover no-repeat;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #FFFFFF;
  text-shadow: 0 0 20px rgba(0,0,0,0.8);
}
.hero h1 {
  font-size: 3rem;
  letter-spacing: 1px;
  color: var(--accent);
}
.hero p {
  font-size: 1.3rem;
  opacity: 0.9;
}

/* SECTIONS */
section {
  padding: 6rem 2rem;
  max-width: 1200px;
  margin: 0 auto;
}
h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--accent);
  margin-bottom: 3rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ABOUT */
.about-content {
  display: grid;
  gap: 1.5rem;
  line-height: 1.8;
  font-size: 1.1rem;
}

/* FORMATIONS */
.timeline {
  display: grid;
  gap: 1.5rem;
}
.formation-item {
  background: var(--card);
  border-left: 5px solid var(--accent);
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  transition: transform var(--transition);
}
.formation-item:hover {
  transform: translateX(8px);
}

/* SKILLS */
.skills {
  padding: 2rem 1rem;
}

.skills-grid {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.skill-card {
  background: var(--card);
  color: var(--text);
  border-radius: var(--radius);
  padding: 1.5rem;
  flex: 1 1 300px;
  max-width: 350px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: transform 0.3s, background var(--transition), color var(--transition);
}

.skill-card:hover {
  transform: translateY(-5px);
}

.skill-card i {
  color: var(--accent);
  margin-right: 0.5rem;
}

.skill-card h3 {
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 0.6rem;
  color: var(--accent);
}

.skill-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.skill-card li {
  padding: 0.3rem 0;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.95rem;
}

.skill-card li i {
  width: 18px;
  text-align: center;
}


/* PROJECTS */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  padding: 2rem 0;
}

.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--card);
  color: var(--text); 
  padding: 1.5rem;
  border-radius: var(--radius);
  box-shadow: 0 4px 15px rgba(0,0,0,0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.3);
}

.project-card h3 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  color: var(--accent); 
}

.project-card p {
  flex-grow: 1; 
  font-size: 1rem;
  margin-bottom: 1rem;
}

.project-card .github-link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.2rem;
  border-radius: 8px;
  text-decoration: none;
  background-color: var(--accent); 
  color: #fff; 
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.project-card .github-link:hover {
  background-color: #e65c00;
}

.project-links {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.project-links .github-link {
  flex-grow: 1;
  text-align: center;
  margin-top: 0;
}

.project-links .site-link {
  background-color: #555;
  color: #fff;
}

.project-links .site-link:hover {
  background-color: #444;
}

/* Responsive */
@media (max-width: 992px) {
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}

/* FOOTER */
footer {
  background-color: var(--card);
  padding: 3rem 2rem;
  border-top: 2px solid var(--accent);
  color: var(--text);
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  max-width: 1200px;
  margin: 0 auto;
  gap: 2rem;
  text-align: center;
}

.footer-left, .footer-center, .footer-right {
  flex: 1;
  min-width: 250px;
}

.footer-photo {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  object-fit: cover;
}

.footer-center h3, .footer-right h3 {
  font-size: 1.4rem;
  color: var(--accent);
  margin-bottom: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.footer-center p {
  margin: 0.5rem 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
}

.footer-center a {
  color: var(--text);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-center a:hover {
  color: var(--accent);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 1rem;
}

.social-links a {
  color: var(--text);
  font-size: 1.8rem;
  transition: color var(--transition), transform var(--transition);
}

.social-links a:hover {
  color: var(--accent);
  transform: translateY(-3px);
}

.footer-bottom {
  text-align: center;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
}

body.light .footer-bottom {
  border-top: 1px solid rgba(0, 0, 0, 0.1);
  color: rgba(0, 0, 0, 0.7);
}

.carousel-container {
  position: relative;
  width: 120px; 
  height: 120px;
  margin: 0 auto; 
  overflow: hidden;
  border-radius: 50%;
  border: 3px solid var(--accent);
}

.carousel-slide {
  display: flex;
  width: 100%;
  height: 100%;
  transition: transform 0.5s ease-in-out;
}

.footer-photo {
  width: 120px;
  height: 120px;
  object-fit: cover;
  flex-shrink: 0; 
  border-radius: 0; 
  border: none;
}

.carousel-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 10;
  opacity: 0; 
  transition: opacity 0.3s ease;
}

.carousel-container:hover .carousel-btn {
  opacity: 1;
}

.carousel-btn.prev {
  left: 0;
  border-top-right-radius: 5px;
  border-bottom-right-radius: 5px;
}

.carousel-btn.next {
  right: 0;
  border-top-left-radius: 5px;
  border-bottom-left-radius: 5px;
}

/* Responsive pour le footer */
@media (max-width: 768px) {
  .footer-container {
    flex-direction: column;
    text-align: center;
  }
}

/* RESPONSIVE */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    flex-direction: column;
    align-items: center;
    background: var(--card);
    width: 100%;
  }
  .nav-links.show {
    display: flex;
  }
  .hamburger {
    display: block;
  }
}

#lang-select {
  background: none;
  border: 2px solid var(--accent);
  color: var(--accent);
  padding: 0.4rem;
  border-radius: var(--radius);
  margin-right: 0.8rem;
  cursor: pointer;
  transition: all var(--transition);
}
#lang-select:hover {
  background: var(--accent);
  color: var(--bg);
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

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

.language-card {
  background: var(--card);
  color: var(--text);
  border-radius: var(--radius);
  padding: 1.2rem 1.5rem;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
  transition: background var(--transition), color var(--transition), transform 0.3s;
}

.language-card:hover {
  transform: translateY(-4px);
}

.lang-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.lang-header i {
  color: var(--accent);
  font-size: 1.2rem;
}

.progress-bar {
  width: 100%;
  height: 8px;
  background: rgba(255,255,255,0.15);
  border-radius: 4px;
  overflow: hidden;
  margin-bottom: 0.5rem;
}

body.light .progress-bar {
  background: rgba(0,0,0,0.1);
}

.progress {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 1s ease-in-out;
}

.level {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* --- STYLE FOR CV DOWNLOAD BUTTON --- */

.cv-button {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  margin-top: 1rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--radius);
  text-decoration: none;
  background-color: var(--accent);
  color: #fff; 
  font-weight: bold;
  transition: all var(--transition);
  border: 2px solid var(--accent);
}

.cv-button:hover {
  background-color: transparent;
  color: var(--accent);
  transform: translateY(-3px);
}

/* Réduire l'espace au-dessus de la section Langues */
#langues {
  padding-top: 1rem;
}

/* Réduire l'espace au-dessus de la section Formations */
#formations {
  padding-top: 1rem;
}

/* --- Style pour l'objet 3D du Footer --- */

.footer-container {
  flex-wrap: wrap;
}

#footer-3d-container {
  flex-basis: 100%;
  width: 100%;
  height: 200px; 
  margin-bottom: 2rem; 
  cursor: grab; 
}

#footer-3d-container:active {
  cursor: grabbing;
}

/* --- BOUTONS DE SCROLL HAUT/BAS --- */

.scroll-btn {
  position: fixed;
  right: 15px; /* Légèrement rapproché du bord */
  /* Taille encore réduite */
  width: 35px;
  height: 35px;
  background-color: var(--accent);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  /* Taille de l'icône encore réduite */
  font-size: 0.8rem;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3); /* Ombre plus subtile */
  z-index: 999;
  
  opacity: 0;
  transform: scale(0);
  visibility: hidden;
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
}

/* Positionnement vertical de chaque bouton */
#scroll-to-top-btn {
  bottom: 15px; /* Rapproché du bas */
}
#scroll-to-bottom-btn {
  /* Position ajustée pour la nouvelle taille */
  bottom: 58px;
}

/* Classe pour rendre les boutons visibles */
.scroll-btn.show {
  opacity: 1;
  transform: scale(1);
  visibility: visible;
}

.scroll-btn:hover {
  background-color: #e65c00;
  transform: scale(1.1);
}