:root{
  --bg: #0f0f12;
  --bg-2: #14141a;
  --text: #e8e8ea;
  --muted: #b8b8c2;
  --card: #181820;
  --card-border: #2a2a35;
  --accent: #7c5cff;
  --radius: 14px;

  /* Taille/position du logo (MAJ) */
  --logo-height: clamp(210px, 10vw, 260px);
  --logo-top: 48px;
}

*{ box-sizing: border-box; }
html, body { height: 100%; }
html { scroll-behavior: smooth; }
body{
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  color: var(--text);
  background: radial-gradient(1200px 800px at 50% -10%, #1b1b24 0%, var(--bg) 60%);
}

/* --------------------------------------------
   Logo : centré -> fondu -> fixé en haut
--------------------------------------------- */

#logo{
  position: fixed;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  height: var(--logo-height);
  width: auto;
  opacity: 0;
  filter: drop-shadow(0 6px 24px rgba(0,0,0,.35));
  transition: opacity .6s ease, top .6s ease, transform .6s ease;
  z-index: 30; /* plus haut que les tuiles */
  pointer-events: none;
}

.js.show-logo #logo { opacity: 1; }
.js.logo-fixed-top #logo{ top: var(--logo-top); transform: translate(-50%, 0); }

/* --------------------------------------------
   Contenu principal
--------------------------------------------- */

.container{
  width: min(1200px, 94vw);
  margin-inline: auto;
  padding: 24px 0 48px;
}

/* Masqué jusqu’à révélation (progressive enhancement) */
.js .projects{
  opacity: 0;
  transform: translateY(14px);
  transition: opacity .5s ease, transform .5s ease;
}
.js.show-projects .projects{
  opacity: 1;
  transform: none;
}

/* Espace sous le logo "pinné" */
.projects{
  margin-top: calc(var(--logo-top) + var(--logo-height) + 28px);
  position: relative;
  z-index: 0; /* s'assure que les tuiles passent derrière le logo */
}

/* --------------------------------------------
   Grille / liste des projets
--------------------------------------------- */

.project-grid{
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 0 12px;
  margin: 0;
}

@media (min-width: 768px){
  .project-grid{
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 18px;
    padding: 0 16px;
  }
}

.project-card{ margin: 0; }

.card-link{
  display: grid;
  grid-template-rows: auto 1fr;
  text-decoration: none;
  color: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(0,0,0,.03));
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.card-visual{
  width: 100%;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid var(--card-border);
}
@media (min-width: 768px){
  .card-visual{ aspect-ratio: 1 / 1; }
}

.card-body{ padding: 14px 14px 16px; }
.card-title{ font-size: 1.05rem; line-height: 1.25; margin: 0 0 6px; }
.card-desc{ margin: 0; color: var(--muted); font-size: .95rem; }

@media (hover: hover) and (pointer: fine){
  .card-link:hover{
    transform: translateY(-6px) scale(1.02);
    box-shadow: 0 14px 36px rgba(0,0,0,.35);
    border-color: #3a3a46;
  }
}

.card-link:focus-visible{
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}


/* --- Vignettes avec images --- */
.card-visual{ position: relative; background: #111; }
.card-visual .thumb{
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Variantes de fond */
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  #logo, .js .projects{ transition: none !important; }
}