:root{
  --bg:#060612;
  --bg2:#0b0b18;
  --text:#e9e9ff;
  --muted:#b8b8d6;
  --cyan:#28e6ff;
  --violet:#a855f7;
  --magenta:#ff3bd4;
  --red:#ff2e4d;
  --glow: 0 0 16px rgba(40,230,255,.35), 0 0 40px rgba(168,85,247,.18);
  --radius: 18px;
  --shadow: 0 18px 60px rgba(0,0,0,.55);
  --border: 1px solid rgba(255,255,255,.10);
  --max: 1120px;
}

/* =========================
   Reset / Base
   ========================= */
*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(900px 500px at 15% 10%, rgba(40,230,255,.18), transparent 55%),
    radial-gradient(700px 450px at 80% 20%, rgba(168,85,247,.18), transparent 55%),
    radial-gradient(700px 500px at 65% 85%, rgba(255,59,212,.10), transparent 55%),
    linear-gradient(180deg, var(--bg), var(--bg2));
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  overflow-x:hidden;

  min-height:100vh;
  display:flex;
  flex-direction:column;
}
main{ flex:1; }
a{ color:inherit; text-decoration:none; }
.container{ width:min(var(--max), calc(100% - 40px)); margin:0 auto; }

/* =========================
   Background FX
   ========================= */
.band-bg{
  position:fixed;
  inset:0;
  z-index:-2;
  pointer-events:none;
  opacity:.85;
  background:
    radial-gradient(1200px 700px at 10% 30%, rgba(40,230,255,.12), transparent 60%),
    radial-gradient(900px 600px at 85% 65%, rgba(255,46,77,.12), transparent 60%),
    linear-gradient(90deg, rgba(40,230,255,.10), rgba(168,85,247,.10), rgba(255,59,212,.10), rgba(255,46,77,.10));
  filter:saturate(1.1);
}
.band-bg::before{
  content:"";
  position:absolute;
  inset:-30% -10%;
  background: repeating-linear-gradient(
    90deg,
    rgba(40,230,255,.12) 0px,
    rgba(40,230,255,.12) 2px,
    rgba(0,0,0,0) 2px,
    rgba(0,0,0,0) 42px
  );
  opacity:.35;
  transform:skewX(-12deg);
  mix-blend-mode:screen;
  filter:blur(.2px);
}
.band-bg::after{
  content:"";
  position:absolute;
  inset:-10% -10%;
  background: linear-gradient(90deg, rgba(10,10,30,.0), rgba(10,10,30,.55), rgba(10,10,30,.0));
  opacity:.75;
}
.stars{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background-image:
    radial-gradient(1px 1px at 10% 15%, rgba(255,255,255,.5), transparent 45%),
    radial-gradient(1px 1px at 55% 35%, rgba(255,255,255,.45), transparent 45%),
    radial-gradient(1px 1px at 80% 70%, rgba(255,255,255,.35), transparent 45%),
    radial-gradient(1px 1px at 20% 75%, rgba(255,255,255,.35), transparent 45%),
    radial-gradient(1px 1px at 35% 55%, rgba(255,255,255,.30), transparent 45%);
  opacity:.55;
  filter:blur(.1px);
}

/* =========================
   Header / Nav
   ========================= */
header{
  position:sticky;
  top:0;
  z-index:50;
  backdrop-filter: blur(12px);
  background: linear-gradient(180deg, rgba(6,6,18,.80), rgba(6,6,18,.55));
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav{
  position:relative; /* ✅ pour le menu mobile */
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:12px;
  min-width: 210px;
}
.logo-dot{
  width:12px; height:12px; border-radius:999px;
  background:
    radial-gradient(circle at 30% 30%, white, rgba(255,255,255,0) 55%),
    linear-gradient(90deg, var(--cyan), var(--violet), var(--magenta), var(--red));
  box-shadow: var(--glow);
}
.brand-title{
  font-family: Orbitron, Inter, sans-serif;
  letter-spacing: .10em;
  text-transform: uppercase;
  font-weight: 800;
  font-size: 14px;
  line-height:1.1;
}
.brand-sub{ font-size:12px; color:var(--muted); margin-top:2px; }

nav ul{
  list-style:none;
  display:flex;
  gap:10px;
  padding:0;
  margin:0;
  align-items:center;
}
.navlink{
  padding:10px 12px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
  transition: transform .15s ease, border-color .15s ease, background .15s ease;
  font-weight:600;
  color: var(--text);
  font-size: 14px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  text-align:center;
}
.navlink:hover{
  transform: translateY(-1px);
  border-color: rgba(40,230,255,.45);
  background: rgba(40,230,255,.06);
  box-shadow: 0 0 0 3px rgba(40,230,255,.07);
}

.nav-cta{ display:flex; gap:10px; align-items:center; }

.btn{
  cursor:pointer;
  border:none;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight:700;
  letter-spacing:.02em;
  background: rgba(255,255,255,.06);
  color: var(--text);
  border: 1px solid rgba(255,255,255,.12);
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  line-height: 1.1;
}
.btn:hover{ transform: translateY(-1px); box-shadow: var(--glow); }
.btn-primary{
  background: linear-gradient(90deg, rgba(40,230,255,.22), rgba(168,85,247,.20), rgba(255,59,212,.18));
  border-color: rgba(40,230,255,.35);
}
.burger{ display:none; }

/* ✅ Menu mobile propre */
@media (max-width: 720px){
  .burger{ display:inline-flex; }
  nav ul{ display:none; }

  nav ul.open{
    display:flex;
    position:absolute;
    top: 100%;
    left: 0;
    right: 0;

    margin-top: 12px;
    flex-direction:column;
    gap: 12px;
    padding: 14px;

    border-radius: 18px;
    background: rgba(6,6,18,.96);
    border: 1px solid rgba(255,255,255,.12);
    box-shadow: var(--shadow);
    z-index: 9999;
  }

  nav ul.open li{ width:100%; }
  nav ul.open .navlink{
    width:100%;
    padding: 14px 16px;
    font-size: 16px;
    border-radius: 16px;
    white-space: normal;
  }
}

/* =========================
   Layout blocks
   ========================= */
section{ padding: 44px 0; }

.card{
  border: var(--border);
  border-radius: var(--radius);
  background: rgba(255,255,255,.04);
  box-shadow: var(--shadow);
  overflow:hidden;
  position:relative;
}
.card::before{
  content:"";
  position:absolute;
  inset:-2px;
  background: linear-gradient(90deg, rgba(40,230,255,.25), rgba(168,85,247,.18), rgba(255,59,212,.12), rgba(255,46,77,.10));
  opacity:.55;
  filter: blur(18px);
  z-index:0;
}
.card > *{ position:relative; z-index:1; }

.section-title{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:16px;
  margin-bottom: 14px;
}
.section-title h2{
  font-family: Orbitron, Inter, sans-serif;
  margin:0;
  font-size: 18px;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.section-title p{ margin:0; color: var(--muted); font-size: 13px; }

/* =========================
   HOME (index) : Hero
   ========================= */
.hero{ padding: 42px 0 30px; }
.hero-grid{
  display:grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 22px;
  align-items:stretch;
}
.hero-copy{ padding: 24px; }

/* ✅ Affiche hero sans crop */
.hero-poster{ min-height: 420px; display:flex; align-items:stretch; }
.poster-wrap{
  width:100%;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,.22);
}
.poster-wrap img{
  width:100%;
  height:100%;
  object-fit: contain;
  object-position:center;
  display:block;
  transform:none;
  filter: saturate(1.05) contrast(1.02);
}
.poster-overlay{
  position:absolute;
  inset:0;
  background:
    radial-gradient(700px 260px at 20% 15%, rgba(40,230,255,.18), transparent 60%),
    radial-gradient(700px 280px at 80% 40%, rgba(255,46,77,.14), transparent 60%),
    linear-gradient(180deg, rgba(6,6,18,.10), rgba(6,6,18,.55));
  pointer-events:none;
}

/* =========================
   EVENEMENTS : affiches cliquables
   ========================= */
.event-banner{
  width:100%;
  display:flex;
  justify-content:center;
  margin-top: 22px;
}
.banner-track{
  width: min(100%, 980px);
  display:flex;
  justify-content:center;
  align-items:center;
  gap: 40px;
  padding: 28px 0 34px;
  position:relative;
}

.event-poster{
  height: 420px;
  aspect-ratio: 9 / 16;
  object-fit: cover;
  border-radius: 24px;
  border: 1px solid rgba(255,255,255,.14);
  box-shadow: 0 0 22px rgba(40,230,255,.18);
  cursor: pointer;

  transform: scale(.85) translateY(14px);
  opacity: .72;
  filter: saturate(.95) brightness(.92);
  transition: transform .45s cubic-bezier(.2,.8,.2,1), opacity .35s ease, filter .35s ease, box-shadow .45s ease;
}
.event-poster.is-active{
  transform: scale(1.28);
  opacity: 1;
  filter: saturate(1.15) brightness(1.05);
  box-shadow:
    0 0 0 12px rgba(40,230,255,.08),
    0 24px 80px rgba(0,0,0,.55),
    0 0 55px rgba(40,230,255,.22);
  z-index: 5;
}
.event-poster:hover{ opacity: .95; }

/* EVENEMENTS : galerie 5 */
.photo-wall{
  margin-top:30px;
  display:grid;
  gap:12px;
}
.photo-wall img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:14px;
  border: 1px solid rgba(255,255,255,.10);
  box-shadow: 0 0 20px rgba(0,0,0,.45);
  transition: transform .35s ease;
}
.photo-wall img:hover{ transform: scale(1.03); }

.photo-wall-5{
  grid-template-columns: 1.2fr 1fr 1fr;
  grid-auto-rows: 150px;
}
.photo-wall-5 img:nth-child(1){ grid-row: span 2; }
.photo-wall-5 img:nth-child(4){ grid-column: span 2; }

/* =========================
   NOUS REJOINDRE / CONTACT
   ========================= */
.join{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items:stretch;
}
.join .card{ padding: 28px; }
.join .card h3{
  margin: 0 0 12px;
  font-family: Orbitron, Inter, sans-serif;
  font-size: 18px;
  letter-spacing: .06em;
  text-transform: uppercase;
}
.join .card p{
  margin: 0 0 16px;
  line-height: 1.75;
  color: rgba(233,233,255,.86);
}

/* Bloc boutons (Instagram/Telegram) : propre sans dépendre du inline style */
.join-actions{
  display:flex;
  gap: 14px;
  flex-wrap:wrap;
  margin-top: 16px;
}
.join .btn{ padding: 13px 18px; border-radius: 16px; }

/* Form contact premium */
#contact .form{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 16px;
}
#contact .field:nth-child(3),
#contact .form button{
  grid-column: 1 / -1;
}
#contact label{
  font-size: 12px;
  color: rgba(233,233,255,.75);
  letter-spacing: .04em;
}
#contact input,
#contact textarea{
  width: 100%;
  padding: 14px 14px;
  border-radius: 16px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(0,0,0,.28);
  color: var(--text);
  outline: none;
  transition: border-color .2s ease, box-shadow .2s ease, transform .2s ease;
}
#contact textarea{ min-height: 140px; resize: vertical; }
#contact input:focus,
#contact textarea:focus{
  border-color: rgba(40,230,255,.6);
  box-shadow: 0 0 0 3px rgba(40,230,255,.12);
  transform: translateY(-1px);
}

/* =========================
   Footer
   ========================= */
footer{
  border-top: 1px solid rgba(255,255,255,.08);
  background: linear-gradient(180deg, rgba(6,6,18,.25), rgba(6,6,18,.65));
  padding: 28px 0;
  margin-top:auto;
}
.foot{
  display:flex;
  gap: 18px;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
}
.copyright{ color: var(--muted); font-size: 13px; }

/* ✅ Footer mobile : jamais compressé */
@media (max-width: 720px){
  footer{ padding: 22px 0; }
  .foot{
    flex-direction: column;
    align-items: stretch;
    gap: 14px;
  }

  /* Boutons footer pleine largeur */
  footer .foot .navlink{
    width: 100%;
    display:block;
    padding: 14px 16px;
    font-size: 15px;
    border-radius: 16px;
    white-space: normal;
    text-align: center;
    margin-bottom: 10px;
    background: rgba(255,255,255,.06);
    border: 1px solid rgba(255,255,255,.14);
  }
  footer .foot .navlink:last-child{ margin-bottom: 0; }

  .copyright{
    width: 100%;
    text-align: center;
    line-height: 1.5;
  }
}

/* =========================
   Responsive global
   ========================= */
@media (max-width: 920px){
  .hero-grid{ grid-template-columns: 1fr; }
  .hero-poster{ min-height: 360px; }
  .brand{ min-width:auto; }
  .join{ grid-template-columns: 1fr; }

  .banner-track{ width: min(100%, 760px); gap: 26px; }
  .event-poster{ height: 340px; transform: scale(.88) translateY(12px); }
  .event-poster.is-active{ transform: scale(1.18); }

  #contact .form{ grid-template-columns: 1fr; }
  #contact .field:nth-child(3),
  #contact .form button{ grid-column: auto; }
}

@media (max-width: 720px){
  .container{ width:min(var(--max), calc(100% - 24px)); }

  .banner-track{ width: min(100%, 520px); gap: 16px; padding: 18px 0 24px; }
  .event-poster{ height: 250px; transform: scale(.92) translateY(8px); }
  .event-poster.is-active{ transform: scale(1.18); }

  .photo-wall-5{ grid-template-columns: 1fr 1fr; grid-auto-rows: 120px; }
  .photo-wall-5 img:nth-child(1){ grid-row: span 2; }
  .photo-wall-5 img:nth-child(4){ grid-column: span 2; }
}