:root {
  --bg-dark: #0E1137;
  --accent: #1591D0;
  --white: #ffffff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  background-color: var(--bg-dark);
  color: var(--white);
  font-family: 'Lato', sans-serif;
  line-height: 1.6;
  text-align: center;
}

/* ========== NAVBAR ========== */
nav {
  background-color: var(--bg-dark);
  padding: 1rem 0;
  position: sticky;
  top: 0;
  z-index: 50;
}

.navbar-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.nav-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent);
}

.nav-link {
  color: #d1d5db;
  margin: 0 1rem;
  font-weight: 500;
  text-decoration: none;
  transition: color 0.3s ease;
}

.nav-link:hover {
  color: var(--white);
}

/* ========== SECTIONS ========== */
.section {
  padding: 4rem 1rem;
  max-width: 900px;
  margin: 0 auto;
}

.section h2 {
  font-size: 2rem;
  margin-bottom: 2rem;
  color: var(--accent);
}

/* ========== IMAGE DE PROFIL ========== */
.profile-img {
  border-radius: 1rem;
  border: 2px solid var(--white);
  max-height: 200px;
  transition: transform 0.4s ease, box-shadow 0.4s ease, filter 0.4s ease;
  box-shadow: 0 10px 20px rgba(255, 255, 255, 0.1);
  filter: grayscale(30%) contrast(1.1);
  display: block;
  margin: 0 auto 2rem;
}

.profile-img:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 30px rgba(21, 145, 208, 0.4);
  filter: none;
  border-color: var(--accent);
}

/* ========== BOUTONS ET LIENS ========== */
.btn-outline {
  padding: 0.5rem 1rem;
  border: 1px solid var(--accent);
  color: var(--accent);
  border-radius: 0.375rem;
  background: transparent;
  font-weight: 500;
  transition: background 0.3s ease, color 0.3s ease;
  text-decoration: none;
  cursor: pointer;
  display: inline-block;
  margin-top: 1rem;
}

.btn-outline:hover {
  background-color: rgba(21, 145, 208, 0.1);
  color: var(--white);
}

.icon-link {
  color: #9ca3af;
  font-size: 1.25rem;
  margin: 0 0.5rem;
  transition: color 0.3s ease;
}

.icon-link:hover {
  color: var(--accent);
}

/* ========== SKILLS & PROJECTS ========== */
.skill-badge {
  display: inline-block;
  border: 1px solid var(--accent);
  color: var(--accent);
  padding: 0.25rem 0.75rem;
  border-radius: 0.375rem;
  font-size: 0.875rem;
  margin: 0.25rem;
  transition: background 0.3s ease;
}

.skill-badge:hover {
  background-color: rgba(21, 145, 208, 0.1);
  color: var(--white);
}

.project-card {
  background-color: rgba(255, 255, 255, 0.05);
  padding: 2rem;
  border-radius: 0.5rem;
  transition: transform 0.3s ease, background-color 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.project-card:hover {
  transform: translateY(-4px);
  background-color: rgba(21, 145, 208, 0.1);
}

/* ========== FOOTER ========== */
footer {
  padding: 2rem 1rem;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 768px) {
  .navbar-container {
    flex-direction: column;
    align-items: center;
  }

  .nav-link {
    margin: 0.5rem 0;
  }

  .section {
    padding: 3rem 1rem;
  }

  .profile-img {
    max-width: 80%;
  }
}