/* ===== Variables & Reset ===== */
:root {
  --bg: #0a0a23;
  --fg: #ffffff;
  --muted: #c7d2fe;
  --primary: #87bcd4;
  --glass: rgba(255,255,255,0.08);
  --glass-border: rgba(255,255,255,0.18);
  --shadow: 0 10px 30px rgba(0,0,0,0.35);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Poppins', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1000px 600px at 10% -10%, #1b1b3a 0%, var(--bg) 35%) no-repeat,
              radial-gradient(800px 500px at 100% 0%, #0d2a3a 0%, var(--bg) 45%) no-repeat,
              var(--bg);
  color: var(--fg);
  line-height: 1.6;
}

/* ===== Top Nav ===== */
.menu-nav {
  position: fixed;
  inset: 0 0 auto 0;
  background: rgba(10,10,35,0.7);
  -webkit-backdrop-filter: blur(10px);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 10px 16px;
  z-index: 99;
}
.menu-toggle {
  display: none;
  font-size: 28px;
  background: transparent;
  color: var(--fg);
  border: none;
  cursor: pointer;
  z-index: 100;
}
.nav-buttons { display: flex; gap: 10px; flex-wrap: wrap; }
.bouton {
  font-size: 15px;
  font-weight: 600;
  background: #fff;
  color: #0a0a23;
  padding: 10px 18px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform .2s ease, background .2s ease, color .2s ease;
}
.bouton:hover { background: var(--primary); color: var(--fg); transform: translateY(-1px); }
.bouton.active { background: var(--primary); color: var(--fg); }
.bouton-alt { background: transparent; color: var(--fg); border: 1px solid var(--glass-border); }
.bouton-alt:hover { background: var(--fg); color: #0a0a23; }

/* ===== Layout ===== */
.container {
  width: 100%;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 110px 20px 60px;
}
.carte {
  width: 100%;
  max-width: 980px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 42px 30px;
}
.avatar { width: 140px; aspect-ratio: 1; border-radius: 50%; border: 2px solid var(--glass-border); }
h1 { font-size: 36px; margin-top: 18px; }
h2 { font-size: 28px; margin-bottom: 10px; }
h3 { font-size: 20px; font-weight: 600; }

.tagline { margin: 10px 0 16px; font-size: 18px; }
.muted { color: var(--muted); }

.reseau img { width: 40px; border-radius: 50%; margin: 12px 6px; transition: transform .2s ease, background .2s; }
.reseau img:hover { transform: translateY(-2px); background: #fff; }

.cta-row { margin: 12px 0 4px; display: flex; gap: 10px; flex-wrap: wrap; }

.section { display: none; animation: fadeIn .6s ease; }
.section.active { display: block; }

/* ===== Timelines / Cards / Grids ===== */
.timeline { list-style: none; display: grid; gap: 22px; margin-top: 10px; }
.item { background: rgba(255,255,255,0.06); border: 1px solid var(--glass-border); border-radius: 16px; padding: 16px; }
.item-header { display: grid; grid-template-columns: 64px 1fr; gap: 14px; align-items: center; }
.item-header img { width: 64px; height: 64px; object-fit: cover; border-radius: 12px; }
.meta { color: var(--muted); font-size: 14px; }
.desc { margin-top: 8px; }

/* Grilles intelligentes auto-fit */
.grid { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); 
  gap: 16px; 
  margin-top: 10px; 
}
.card { background: rgba(255,255,255,0.06); border: 1px solid var(--glass-border); border-radius: 16px; padding: 16px; }
.card-header { display: grid; grid-template-columns: 56px 1fr; gap: 12px; align-items: center; }
.card-header img { width: 56px; height: 56px; object-fit: cover; border-radius: 10px; }

.skills { 
  display: grid; 
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); 
  gap: 16px; 
}
.skill-col { background: rgba(255,255,255,0.06); border: 1px solid var(--glass-border); border-radius: 16px; padding: 16px; }
.skill-col ul { list-style: none; margin-top: 8px; }
.skill-col li { margin: 6px 0; }

.projects .card .tags { margin-top: 6px; font-size: 13px; color: var(--muted); }

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.contact-card {
  display: grid; gap: 4px;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  padding: 14px;
  text-decoration: none;
  color: var(--fg);
}
.contact-card:hover { background: rgba(255,255,255,0.12); }
.contact-title { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.contact-value { font-size: 16px; }

.extras { margin-top: 22px; }
.bullets { margin: 8px 0 0 18px; }
.bullets li { margin: 6px 0; }

.footer { text-align: center; color: var(--muted); padding: 20px; }

/* ===== Animations ===== */
.fade-in { animation: fadeIn .8s ease both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px) } to { opacity: 1; transform: translateY(0) } }

/* Language toggle special spacing */
#lang-toggle { margin-left: 6px; }


/* ===== Responsive Fusionnée (Intégration du code "new") ===== */

@media (max-width: 768px) {
  /* Menu Burger & Dropdown Slide-Down */
  .menu-nav {
    justify-content: center;
    padding: 10px 20px;
  }
  .menu-toggle {
    display: block;
    position: absolute;
    top: 12px;
    left: 15px;
  }
  .menu-nav .nav-buttons {
    display: none;
    flex-direction: column;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    background: rgba(10, 10, 35, 0.95);
    padding: 20px 0;
    text-align: center;
    z-index: 98;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  }
  .menu-nav.show .nav-buttons {
    display: flex;
    animation: slideDown 0.3s ease forwards;
  }
  
  @keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
  }

  /* Ajustement de la taille des boutons et recentrage du bouton langue */
  .nav-buttons .bouton {
    margin: 10px auto;
    width: 80%;
    padding: 12px;
    font-size: 18px;
  }
  #lang-toggle {
    margin-left: auto; /* Supprime le décalage sur mobile */
  }

  /* Ajustements de layout mobiles */
  .container { padding-top: 80px; }
  
  /* Réduction de la colonne ET des icônes pour ne pas manger le texte */
  .item-header { grid-template-columns: 48px 1fr; gap: 12px; }
  .item-header img { width: 48px; height: 48px; }
  
  .card-header { grid-template-columns: 48px 1fr; gap: 12px; }
  .card-header img { width: 48px; height: 48px; }

  h1 { font-size: 30px; }
  h2 { font-size: 24px; }
}