:root {
  --primary: #2ecc71; /* Vert EcoRide */
  --dark: #1a1a1a;
  --light: #f4f4f4;
}
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  margin: 0;
  background-color: var(--dark);
  color: var(--light);
  line-height: 1.6;
}

header {
  text-align: center;
  padding: 100px 20px;
  background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)),
    url("https://images.unsplash.com/photo-1517694712202-14dd9538aa97?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80");
  background-size: cover;
  background-position: center;
  color: white;
}
h1 {
  font-size: 3em;
  margin-bottom: 10px;
}
.tagline {
  font-size: 1.2em;
  color: var(--primary);
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 40px 20px;
}

.section-title {
  border-left: 5px solid var(--primary);
  padding-left: 15px;
  margin-bottom: 30px;
}

.project-card {
  background: #2d2d2d;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 30px;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}
.tech-stack span {
  background: #444;
  padding: 5px 10px;
  border-radius: 15px;
  font-size: 0.8em;
  margin-right: 5px;
  display: inline-block;
  margin-bottom: 5px;
}
.btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 10px 20px;
  text-decoration: none;
  border-radius: 5px;
  margin-top: 10px;
  font-weight: bold;
}
.btn:hover {
  opacity: 0.9;
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--primary);
  color: var(--primary);
  margin-left: 10px;
}
.btn-outline:hover {
  background: var(--primary);
  color: white;
}

.gallery {
  display: flex;
  gap: 10px;
  margin: 20px 0;
  flex-wrap: wrap;
}
.gallery img {
  width: 30%; /* 3 images par ligne */
  border-radius: 5px;
  transition: transform 0.3s;
  cursor: pointer;
}
.gallery img:hover {
  transform: scale(1.05); /* Zoom au survol */
  border: 2px solid var(--primary);
}

.profile-pic {
  width: 150px;
  height: 150px;
  border-radius: 50%; /* Rend l'image ronde */
  border: 4px solid var(--primary); /* Bordure verte EcoRide */
  object-fit: cover;
  margin-bottom: 20px;
  box-shadow: 0 0 20px rgba(46, 204, 113, 0.4); /* Petit halo lumineux */
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 20px;
  text-align: center;
}
.skill-item {
  background: #2d2d2d;
  padding: 20px;
  border-radius: 8px;
}
.skill-item i {
  font-size: 2em;
  color: var(--primary);
  margin-bottom: 10px;
}

footer {
  text-align: center;
  padding: 20px;
  background: #111;
  margin-top: 50px;
}

@media (min-width: 1024px) {
  header {
    padding: 150px 20px;
  }
}

@media (min-width: 1980px) {
  header {
    padding: 250px 20px;
  }
}