/* Reset */

*,

*::before,

*::after {

  margin: 0;

  padding: 0;

  box-sizing: border-box;

}



/* Variables */

:root {

  --bg-dark: #111316;

  --bg-light: #1e2126;

  --text-main: #eceff4;

  --accent: #61dafb;

  --accent-dark: #21a1f1;

  --card-bg: #23262b;

  --font-main: "Montserrat", sans-serif;

}



body {

  font-family: var(--font-main);

  line-height: 1.6;

  background: var(--bg-dark);

  color: var(--text-main);

}



/* Navbar */

.navbar {

  position: sticky;

  top: 0;

  background: var(--bg-dark);

  display: flex;

  justify-content: space-between;

  align-items: center;

  padding: 1rem 2rem;

  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);

  z-index: 1000;

}



.navbar .logo {

  font-weight: 700;

}



.navbar ul {

  list-style: none;

  display: flex;

  gap: 1.5rem;

}



.navbar a {

  color: var(--text-main);

  text-decoration: none;

  transition: color 0.3s;

}



.navbar a:hover {

  color: var(--accent);

}



/* Hero */

#hero {

  min-height: 75vh;

  display: flex;

  align-items: center;

  justify-content: center;

  text-align: center;

  background: linear-gradient(135deg, var(--bg-light) 0%, #2d3035 100%);

  padding: 2rem;

}



.hero-inner h2 {

  font-size: 2.8rem;

  margin-bottom: 1rem;

}



.hero-inner p {

  margin-bottom: 2rem;

  font-weight: 300;

}



.btn {

  display: inline-block;

  background: var(--accent);

  color: var(--bg-dark);

  padding: 0.8rem 1.6rem;

  border-radius: 50px;

  text-decoration: none;

  font-weight: 600;

  transition: background 0.3s;

}



.btn:hover {

  background: var(--accent-dark);

}



/* Sections */

.section {

  padding: 4rem 0;

}



.container {

  width: min(90%, 1100px);

  margin: 0 auto;

}



.section h2 {

  font-size: 2rem;

  margin-bottom: 2rem;

  text-align: center;

}



/* Compétences */

.cards {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));

  gap: 1.5rem;

}



.card {

  background: var(--card-bg);

  padding: 2rem;

  border-radius: 8px;

  transition: transform 0.3s, box-shadow 0.3s;

}



.card:hover {

  transform: translateY(-6px);

  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);

}



.card h3 {

  margin-bottom: 0.8rem;

}



/* Timeline */

.timeline {

  position: relative;

  margin-top: 3rem;

}



.timeline::before {

  content: "";

  position: absolute;

  top: 0;

  bottom: 0;

  left: 50%;

  width: 4px;

  background: var(--accent);

  transform: translateX(-50%);

}



.timeline-item {

  width: 50%;

  padding: 2rem 2rem 2rem 0;

  position: relative;

}



.timeline-item.right {

  margin-left: 50%;

  padding: 2rem 0 2rem 2rem;

}



.timeline-item .content {

  background: var(--card-bg);

  border-radius: 8px;

  padding: 1.5rem;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);

}



.timeline-item::before {

  content: "";

  position: absolute;

  top: 2rem;

  width: 18px;

  height: 18px;

  border-radius: 50%;

  background: var(--bg-dark);

  border: 4px solid var(--accent);

}



.timeline-item.left::before {

  right: -9px;

}



.timeline-item.right::before {

  left: -9px;

}



/* Contact */

.contact-list {

  list-style: none;

  max-width: 400px;

  margin: 0 auto;

  text-align: center;

}



.contact-list li {

  margin: 0.5rem 0;

}



.contact-list a {

  color: var(--accent);

  text-decoration: none;

}



.contact-list a:hover {

  text-decoration: underline;

}



/* Footer */

footer {

  text-align: center;

  padding: 2rem 0;

  background: var(--bg-light);

  color: var(--text-main);

}



/* Responsive */

@media (max-width: 768px) {

  .timeline::before {

    left: 8px;

  }



  .timeline-item,

  .timeline-item.right {

    width: 100%;

    margin-left: 0;

    padding: 2rem 0 2rem 2rem;

  }



  .timeline-item::before {

    left: -9px;

  }



  .hero-inner h2 {

  font-size: 2rem;

  }

}

/* Timeline Formations */

.edu-timeline {

  position: relative;

  margin-top: 3rem;

  padding-left: 2rem;

}



.edu-timeline::before {

  content: "";

  position: absolute;

  top: 0;

  bottom: 0;

  left: 1rem;

  width: 2px;

  background: linear-gradient(to bottom, var(--accent), transparent);

}



.edu-item {

  position: relative;

  display: flex;

  align-items: center;

  gap: 2rem;

  margin-bottom: 2rem;

  opacity: 0;

  animation: fadeInUp 0.6s ease forwards;

}



.edu-item:nth-child(2) { animation-delay: 0.1s; }

.edu-item:nth-child(3) { animation-delay: 0.2s; }



.edu-year {

  background: var(--accent);

  color: var(--bg-dark);

  font-weight: 700;

  font-size: 1rem;

  border-radius: 50%;

  width: 3rem;

  height: 3rem;

  display: flex;

  align-items: center;

  justify-content: center;

  position: relative;

}



.edu-year::after {

  content: "";

  position: absolute;

  left: -1rem;

  top: 50%;

  transform: translateY(-50%);

  width: 1rem;

  height: 2px;

  background: var(--accent);

}



.edu-info {

  background: var(--card-bg);

  padding: 1.5rem 2rem;

  border-radius: 8px;

  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);

}



/* Animation */

@keyframes fadeInUp {

  from {

    opacity: 0;

    transform: translateY(30px);

  }

  to {

    opacity: 1;

    transform: translateY(0);

  }

}



/* Responsive */

@media (max-width: 600px) {

  .edu-item {

    flex-direction: column;

    align-items: flex-start;

    gap: 1rem;

  }

  .edu-year::after { display: none; }

  .edu-timeline::before { left: 0.5rem; }

}



/* portfolio*/

/* Lien actif dans la nav */

.navbar a.active {

  color: var(--accent);

}



/* Grille des projets */

.project-grid {

  display: grid;

  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));

  gap: 1.5rem;

}



.project-card {

  position: relative;

  overflow: hidden;

  border-radius: 8px;

  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);

}



.project-card img {

  width: 100%;

  height: auto;

  display: block;

  transition: transform 0.4s ease;

}



.project-card:hover img {

  transform: scale(1.08);

}



.project-info {

  position: absolute;

  inset: 0;

  background: rgba(35, 38, 43, 0.8);

  color: var(--text-main);

  opacity: 0;

  display: flex;

  flex-direction: column;

  justify-content: center;

  align-items: center;

  text-align: center;

  padding: 1.5rem;

  transition: opacity 0.3s ease;

}



.project-card:hover .project-info {

  opacity: 1;

}



.project-info h3 {

  margin-bottom: 0.5rem;

}