:root {
  --bg-color: #ffffff;
  --text-color: #111;
  --accent-color: #0077ff;
}

.social-links a i {
  color: var(--text-color) !important;
  text-decoration: none;
  transition: color 0.3s ease;
}

.social-links a:hover i {
  color: var(--accent-color) !important;
}

body {
  margin: 0;
  font-family: 'Quicksand', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-weight: 700;
  scroll-behavior: smooth;
}

header {
  justify-content: space-between;
  align-items: center;
  flex-wrap: nowrap;
  padding: 1rem 2rem;
  background-color: var(--bg-color);
  border-bottom: 1px solid #eee;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 999;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

.logo,
.center-nav,
.social-links {
  display: flex;
  align-items: center;
}

.site-logo {
  font-weight: 700; /* Ajoute ce poids pour forcer le gras */
}


header.hide {
  transform: translateY(-100%);
}

.logo {
  justify-self: start;
}

.center-nav {
  display: flex;
  justify-content: center;
  gap: 2rem;
}

.center-nav a {
  text-decoration: none;
  color: var(--text-color);
  font-size: 1.2rem;
  transition: color 0.3s ease;
}

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

.social-links {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  font-size: 1.5rem;
}

section {
  min-height: 100vh;
  padding: 3rem 1.5rem;
  max-width: 1000px;
  margin: auto;
  scroll-margin-top: 100px; /* Ajuste selon la hauteur réelle de ton header */
}

.hero {
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding-top: 10rem;
}

.hero-photo {
  width: 250px;
  height: 250px;
  border-radius: 50%;
  object-fit: cover;
  margin-bottom: 1rem;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
}


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

.project {
  border: 1px solid #ddd;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
}

.project img {
  width: 100%;
  display: block;
}

.project-info {
  padding: 1rem;
}

#scrollTopBtn {
  position: fixed;
  bottom: 20px;
  left: 20px;
  width: 50px;
  height: 50px;
  background-color: var(--accent-color);
  color: #fff;
  border: none;
  border-radius: 50%;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 1.5rem;
  cursor: pointer;
  z-index: 999;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease, transform 0.2s ease, background-color 0.3s ease;
}

#scrollTopBtn.visible {
  opacity: 1;
  pointer-events: auto;
}

#scrollTopBtn:hover {
  background-color: #005fcc;
  transform: scale(1.1);
}

footer {
  text-align: center;
  padding: 2rem;
  background-color: #f9f9f9;
  font-size: 0.9rem;
}

#skills {
  padding: 4rem 2rem;
  max-width: 1000px;
  margin: auto;
  text-align: center;
}

.skill-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.skill-tab {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  background-color: #eee;
  border: none;
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.skill-tab:hover {
  background-color: #ddd;
  transform: scale(1.05);
}

.skill-tab.active {
  background-color: var(--accent-color);
  color: white;
}

.skill-panel {
  min-height: 160px;
  border: 1px solid #ccc;
  border-radius: 12px;
  padding: 2rem;
  background-color: #f9f9f9;
  transition: all 0.4s ease;
}

.skill-content {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* max 5 par ligne */
  gap: 1rem;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.skill-content.visible {
  opacity: 1;
  transform: translateY(0);
}

.skill-item {
  text-align: center;
  padding: 0.5rem;
  max-width: 100px;
  margin: auto;
}

.skill-item img {
  width: 50px;
  height: 50px;
  object-fit: contain;
  max-width: 100%;
  margin-bottom: 0.5rem;
}

.skill-item p {
  margin: 0;
  font-size: 0.85rem;
}

/* Titre centré */
.section-title {
  text-align: center;
  font-size: 2rem;
  margin-bottom: 2rem;
}

/* Galerie de projets */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.project-card {
  background-color: #fff;
  border: 1px solid #ccc;
  border-radius: 8px;
  padding: 1rem;
  cursor: pointer;
  text-align: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.05);
  transition: transform 0.3s ease;
}

.project-card:hover {
  transform: scale(1.03);
}

.project-card h3 {
  margin-bottom: 0.5rem;
}

.project-card img {
  width: 100%;
  height: 160px;
  object-fit: cover;
  border-radius: 4px;
}

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.75);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  z-index: 1000;
}

.modal.show {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background-color: #fff;
  padding: 2rem;
  max-width: 600px;
  width: 90%;
  border-radius: 10px;
  position: relative;
  animation: slideIn 0.4s ease;
}

.modal-content img {
  width: 100%;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.modal-content a {
  color: #0066ff;
  text-decoration: underline;
}

.close-btn {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Animation */
@keyframes slideIn {
  from {
    transform: translateY(-40px);
    opacity: 0;
  }
  to {
    transform: translateY(0);
    opacity: 1;
  }
}

.voir-plus-container {
  text-align: center;
  margin-top: 2rem;
}

.voir-plus-button {
  background-color: #333;
  color: white;
  padding: 0.8rem 1.5rem;
  border-radius: 5px;
  text-decoration: none;
  font-weight: bold;
  transition: background-color 0.3s ease;
}

.voir-plus-button:hover {
  background-color: #555;
}

.site-logo {
  text-decoration: none;
  color: inherit;
}

.site-logo:hover {
  text-decoration: underline;
}

.back-to-menu-container {
  text-align: center;
  margin: 2rem 0;
}

#projects {
  padding-top: 150px; /* ajuste selon la hauteur réelle de ton header */
}

section:target::before {
  content: "";
  display: block;
  height: 80px;
  margin-top: -80px;
}

/* Responsive adaptation */
@media (max-width: 768px) {
  .project-card img {
    height: 140px;
  }
}

/* Responsive */
@media (max-width: 600px) {
  .skill-buttons {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (max-width: 600px) {
  .logo {
    display: none;
  }

  .skill-content {
    grid-template-columns: repeat(2, 1fr); /* 2 par ligne sur téléphone */
  }
}
  .center-nav {
    justify-content: center;
    flex: 1;
    gap: 1rem;
  }

  .social-links {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 1.5rem;
  margin-top: 0.5rem;
  white-space: nowrap;
  }

  .center-nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.5rem; /* espace entre navigation et réseaux sociaux */
}

  header {
  flex-direction: column;
  align-items: center;
  padding: 1.5rem 1rem;
  gap: 1rem;
}