@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@200;300;400;500;600&display=swap');

:root{
  --bg0:#050012;
  --bg1:#07021d;
  --panel: rgba(12, 8, 26, 0.58);
  --panel2: rgba(12, 8, 26, 0.35);
  --stroke: rgba(255,255,255,0.12);
  --text:#eaf1ff;
  --muted: rgba(234,241,255,0.78);
  --accent:#7c3aed;
  --accent2:#22d3ee;
  --accent3:#a78bfa;
  --shadow: 0 20px 60px rgba(0,0,0,0.45);
}

*{
  font-family: 'Poppins', sans-serif;
  box-sizing: border-box;
}

html,body{
  height: 100%;
}

body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(1200px 700px at 15% 10%, rgba(124,58,237,0.25), transparent 55%),
    radial-gradient(900px 600px at 85% 25%, rgba(34,211,238,0.18), transparent 50%),
    radial-gradient(900px 700px at 50% 90%, rgba(167,139,250,0.12), transparent 60%),
    linear-gradient(180deg, var(--bg0), var(--bg1));
  overflow-x:hidden;
}

/* Fond spatial "magnifique" : canvas animé + petite texture */
#space-bg{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
}

#spaceCanvas{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  display:block;
}

#space-bg::after{
  content:"";
  position:absolute;
  inset:-2px;
  background-image: url("../Images/Red_Eclipse.jpg");
  background-position: 20% 40%;
  background-repeat:no-repeat;
  background-size: cover;
  opacity:0.08;
  filter:saturate(120%) contrast(105%);
}

/* Mise en page existante */
#wrapper{
  position:relative;
  z-index:1;
  min-height:100vh;
  padding-bottom: 90px; /* espace pour le footer fixe */
}

header, nav, section, footer{
  background: var(--panel2);
  border:1px solid var(--stroke);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

header{
  grid-area: hdr;
  margin-top: 20px;
  width: 100%;
  padding: 24px 20px;
  padding-left: 10%;
  filter: drop-shadow(0 18px 40px rgba(0,0,0,0.35));
}

header h1{
  margin:0;
  letter-spacing:0.3px;
  font-weight:600;
}

header h2{
  margin:6px 0 0;
  font-size:1.15rem;
  color: var(--muted);
  font-weight:400;
}

header p{
  margin:8px 0;
  color: var(--muted);
}

header .images{
  margin-top: 14px;
}

header .images img{
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: 0 0 0 6px rgba(124,58,237,0.08);
}

nav{
  grid-area: nav;
  padding: 18px;
  height:auto;
  min-height: 220px;
  display:flex;
  flex-direction:column;
  gap:12px;
}

nav h2{
  margin:0;
  font-size: 1.05rem;
}

.menu{
  display:flex;
  flex-direction:column;
  gap:10px;
}

/* Ton HTML utilise <lo> au lieu de <ul> */
lo{
  display:block;
}

.menu p{
  margin:0;
}

.menu a, nav a{
  color: var(--text);
  text-decoration:none;
  display:block;
  padding: 10px 12px;
  border-radius: 12px;
  border:1px solid rgba(255,255,255,0.10);
  background: linear-gradient(180deg, rgba(124,58,237,0.14), rgba(34,211,238,0.06));
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.menu a:hover{
  transform: translateY(-2px);
  border-color: rgba(34,211,238,0.35);
  background: linear-gradient(180deg, rgba(124,58,237,0.22), rgba(34,211,238,0.12));
}

.menu a:active{
  transform: translateY(0);
}

.menu a.active{
  border-color: rgba(34,211,238,0.55);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.12);
}

section{
  grid-area: sec;
  padding: 18px;
  padding-right: 20%;
  padding-left: 10%;
  margin-top: 20px;
}

section p, section h2, section h1, section h3{
  margin: 10px 0;
}

/* Liens dans les contenus */
section a{
  color: var(--accent2);
  text-decoration: none;
  border-bottom: 1px dashed rgba(34,211,238,0.35);
}

section a:hover{
  color: var(--accent3);
  border-bottom-color: rgba(167,139,250,0.65);
}

.social-icons{
  font-size: 18px;
  display:flex;
  flex-direction:column;
  gap:10px;
}

.social-icons a{
  text-decoration:none;
}

footer{
  position: fixed;
  bottom: 10px;
  left: 0;
  width: 100%;
  padding: 14px 10px;
  margin: 0 auto;
  display:flex;
  justify-content:center;
  align-items:center;
  grid-area: foot;
  z-index: 2;
  border-radius: 16px;
  max-width: 1000px;
  box-shadow: 0 10px 35px rgba(0,0,0,0.35);
}

footer img{
  height: 40px;
  width:auto;
  filter: drop-shadow(0 10px 20px rgba(0,0,0,0.3));
}

/* Animations d'apparition */
.card-anim{
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 500ms ease, transform 500ms ease;
}

body[data-ready="true"] .card-anim{
  opacity: 1;
  transform: translateY(0);
}

.card-anim.delay-0{ transition-delay: 0ms; }
.card-anim.delay-1{ transition-delay: 60ms; }
.card-anim.delay-2{ transition-delay: 120ms; }
.card-anim.delay-3{ transition-delay: 180ms; }

input, button{
  font-family: inherit;
}

input{
  width: min(520px, 100%);
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.15);
  background: rgba(0,0,0,0.25);
  color: var(--text);
  outline: none;
}

input:focus{
  border-color: rgba(34,211,238,0.45);
  box-shadow: 0 0 0 4px rgba(34,211,238,0.12);
}

button{
  margin-top: 10px;
  padding: 12px 16px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  cursor:pointer;
  color: var(--text);
  background: linear-gradient(90deg, rgba(124,58,237,0.55), rgba(34,211,238,0.35));
  transition: transform 150ms ease, filter 150ms ease;
}

button:hover{
  transform: translateY(-1px);
  filter: brightness(1.08);
}

button:active{
  transform: translateY(0);
}

/* Responsivité (structure déjà prévue dans ton CSS) */
@media (min-width: 1001px) {
  #wrapper{
    display:grid;
    grid-template-columns: 15% 65% 20%;
    grid-template-areas:
      "nav hdr hdr"
      "nav sec sec"
      "foot foot foot";
  }

  footer{
    grid-column: 1 / -1;
  }
}

@media (max-width: 1000px) {
  #wrapper{
    display:grid;
    grid-template-columns: 100%;
    grid-template-areas:
      "nav"
      "hdr"
      "sec"
      "foot";
  }

  header{
    padding-left: 18px;
    margin-top: 16px;
  }

  section{
    padding-left: 18px;
    padding-right: 18px;
  }

  nav{
    min-height: auto;
  }
}