/* ===================================================================
   DJ NØVA — Design system
   Thème "Supernova" : fond noir profond, éclats dorés,
   typographie affiche impactante, micro-interactions tactiles.
=================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Unbounded:wght@400;600;700;900&family=Manrope:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap');

:root{
  /* Couleurs — Or & Noir */
  --bg: #17150f;
  --bg-alt: #1e1b14;
  --panel: #26221a;
  --panel-border: #423a2a;
  --accent-violet: #d4af37;       /* or principal */
  --accent-violet-dim: #8a6a26;   /* bronze profond */
  --accent-cyan: #f1d881;         /* or pâle / champagne */
  --accent-gold: #d4af37;
  --text: #f5f0e1;
  --text-muted: #b3a891;
  --text-dim: #77705d;

  /* Typo */
  --font-display: 'Unbounded', sans-serif;
  --font-body: 'Manrope', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Layout */
  --max-w: 1180px;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --space-6: 8rem;
  --radius: 18px;
  --radius-sm: 10px;
}

*, *::before, *::after{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }

html, body{
  margin:0; padding:0;
  background:
    radial-gradient(1300px 850px at 10% -10%, rgba(212,175,55,.20), transparent 55%),
    radial-gradient(1000px 750px at 108% 6%, rgba(241,216,129,.13), transparent 52%),
    radial-gradient(900px 700px at 92% 55%, rgba(212,175,55,.07), transparent 55%),
    radial-gradient(1300px 950px at 50% 122%, rgba(138,106,38,.22), transparent 58%),
    radial-gradient(800px 600px at -5% 65%, rgba(212,175,55,.08), transparent 55%),
    linear-gradient(170deg, #201c14 0%, #18150f 30%, #14110c 55%, #100d08 80%, #0c0a06 100%);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

@media (max-width: 860px){
  html, body{ background-attachment: scroll; }
}

@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior: auto; }
  *, *::before, *::after{
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

img{ max-width: 100%; display:block; }
a{ color: inherit; text-decoration: none; }
ul{ margin:0; padding:0; list-style:none; }
button{ font-family: inherit; }

::selection{ background: var(--accent-violet); color: #fff; }

/* Fond étoilé ambiant, discret, sur tout le site */
body::before{
  content:"";
  position: fixed; inset:0;
  background:
    radial-gradient(1.5px 1.5px at 20% 30%, rgba(244,242,255,.5) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 75% 15%, rgba(244,242,255,.35) 0, transparent 60%),
    radial-gradient(1px 1px at 60% 70%, rgba(244,242,255,.4) 0, transparent 60%),
    radial-gradient(1px 1px at 90% 80%, rgba(244,242,255,.3) 0, transparent 60%),
    radial-gradient(1.5px 1.5px at 35% 85%, rgba(244,242,255,.3) 0, transparent 60%),
    radial-gradient(1px 1px at 10% 60%, rgba(244,242,255,.35) 0, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

.wrap{ max-width: var(--max-w); margin: 0 auto; padding: 0 1.5rem; position:relative; z-index:1; }

/* ---------- Focus visible (accessibilité) ---------- */
a:focus-visible, button:focus-visible, input:focus-visible,
textarea:focus-visible, select:focus-visible, .card:focus-visible{
  outline: 2px solid var(--accent-cyan);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Header / Nav ---------- */
.site-header{
  position: sticky; top:0; z-index: 50;
  background: rgba(8,8,15,.75);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 1.1rem 1.5rem;
  max-width: var(--max-w); margin:0 auto;
}
.logo{
  font-family: var(--font-display);
  font-weight:700;
  font-size: 1.15rem;
  letter-spacing: .02em;
  display:flex; align-items:center; gap:.5rem;
}
.logo .dot{
  width:9px; height:9px; border-radius:50%;
  background: var(--accent-violet);
  box-shadow: 0 0 12px 3px var(--accent-violet);
}
.nav-links{ display:flex; gap: 2rem; }
.nav-links a{
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  position:relative;
  padding: .3rem 0;
  transition: color .25s ease;
}
.nav-links a::after{
  content:""; position:absolute; left:0; right:100%; bottom:-2px; height:2px;
  background: linear-gradient(90deg, var(--accent-violet), var(--accent-cyan));
  transition: right .3s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"]{ color: var(--text); }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after{ right:0; }

.nav-toggle{
  display:none;
  background:none; border:1px solid var(--panel-border);
  color: var(--text); width:42px; height:42px; border-radius: 10px;
  align-items:center; justify-content:center;
}

/* ---------- Boutons — "grand clic" ---------- */
.btn{
  position: relative;
  overflow: hidden;
  isolation: isolate;
  display:inline-flex; align-items:center; justify-content:center; gap:.6rem;
  font-family: var(--font-mono);
  font-size: .85rem;
  letter-spacing: .05em;
  text-transform: uppercase;
  padding: 1rem 1.9rem;
  border-radius: 999px;
  cursor:pointer;
  border: 1px solid transparent;
  transition: transform .18s cubic-bezier(.2,.8,.2,1), box-shadow .25s ease, background .25s ease;
  -webkit-tap-highlight-color: transparent;
}
.btn:active{ transform: scale(.94); }

.btn-primary{
  background: linear-gradient(135deg, var(--accent-violet), #8a6a26 60%, var(--accent-cyan));
  color:#fff;
  box-shadow: 0 0 0 0 rgba(212,175,55,.6), 0 8px 24px -8px rgba(212,175,55,.7);
}
.btn-primary:hover{ box-shadow: 0 0 0 6px rgba(212,175,55,.12), 0 10px 30px -6px rgba(212,175,55,.8); transform: translateY(-2px); }

.btn-ghost{
  background: rgba(255,255,255,.03);
  border-color: var(--panel-border);
  color: var(--text);
}
.btn-ghost:hover{ border-color: var(--accent-cyan); color: var(--accent-cyan); background: rgba(241,216,129,.06); }

/* onde au clic (ripple) — grand impact visuel */
.btn .ripple{
  position:absolute;
  border-radius:50%;
  transform: scale(0);
  background: rgba(255,255,255,.55);
  pointer-events:none;
  animation: ripple-anim .65s ease-out forwards;
  z-index: -1;
}
@keyframes ripple-anim{
  to{ transform: scale(1); opacity: 0; }
}

/* ---------- Hero ---------- */
.hero{
  position: relative;
  min-height: 92vh;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  text-align:center;
  padding: var(--space-6) 1.5rem 1.5rem;
  overflow: hidden;
}
#nova-canvas{
  position:absolute; inset:0;
  width:100%; height:100%;
  z-index:0;
}
.hero-content{ position:relative; z-index:2; }

.eyebrow{
  font-family: var(--font-mono);
  font-size: .8rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--accent-cyan);
  display:inline-flex; align-items:center; gap:.6rem;
  margin-bottom: var(--space-3);
}
.eyebrow::before{
  content:""; width:26px; height:1px; background: var(--accent-cyan);
}

.hero h1{
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.8rem, 9vw, 6.5rem);
  line-height: .98;
  margin: 0 0 var(--space-3);
  background: linear-gradient(180deg, #fff 10%, var(--text) 55%, var(--accent-violet) 130%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  letter-spacing: -.01em;
}
.hero h1 .o{
  display:inline-block;
  color: transparent;
  background: radial-gradient(circle at 50% 45%, #fff 0%, var(--accent-cyan) 45%, var(--accent-violet) 100%);
  -webkit-background-clip: text; background-clip: text;
}

.hero p.lead{
  font-size: clamp(1rem, 1.6vw, 1.25rem);
  color: var(--text-muted);
  max-width: 42ch;
  margin: 0 auto var(--space-4);
}

.hero-cta{ display:flex; gap: 1rem; flex-wrap:wrap; justify-content:center; }

.scroll-cue{
  margin-top: var(--space-5);
  display:flex; flex-direction:column; align-items:center; gap:.6rem;
  color: var(--text-dim);
  font-family: var(--font-mono); font-size: .7rem; letter-spacing:.15em; text-transform:uppercase;
}
.vinyl{
  width: 34px; height:34px; border-radius:50%;
  background: repeating-radial-gradient(circle at center, #1a1712 0 2px, #2b2418 2px 4px);
  border: 1px solid var(--panel-border);
  position:relative;
  animation: spin 4s linear infinite;
}
.vinyl::after{
  content:""; position:absolute; inset:0; margin:auto;
  width:8px; height:8px; border-radius:50%;
  background: var(--accent-violet);
  box-shadow: 0 0 8px 2px var(--accent-violet);
}
@keyframes spin{ to{ transform: rotate(360deg); } }

/* ---------- Bannière ---------- */
.banner-section{ padding: var(--space-4) 0 var(--space-5); }
.banner-frame{
  position: relative;
  max-width: var(--max-w);
  width: 100%;
  margin: 0 auto;
  border-radius: 28px;
  overflow: hidden;
  border: 1px solid var(--panel-border);
  box-shadow:
    0 0 0 1px rgba(212,175,55,.15),
    0 30px 70px -25px rgba(0,0,0,.75),
    0 0 60px -10px rgba(212,175,55,.15);
}
.banner-frame img{ width:100%; height:auto; display:block; }
.banner-frame::after{
  content:"";
  position:absolute; inset:0;
  border-radius: inherit;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.04);
  pointer-events:none;
}

/* ---------- Sections génériques ---------- */
section{ padding: var(--space-6) 0; position:relative; z-index:1; }
.section-head{ margin-bottom: var(--space-4); max-width: 60ch; }
.section-head .eyebrow{ margin-bottom: var(--space-2); }
.section-head h2{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4vw, 3rem);
  margin: 0 0 .8rem;
  line-height: 1.05;
}
.section-head p{ color: var(--text-muted); margin:0; }

.reveal{
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .8s cubic-bezier(.2,.7,.2,1), transform .8s cubic-bezier(.2,.7,.2,1);
}
.reveal.is-visible{ opacity:1; transform: translateY(0); }

/* ---------- Cartes services / événements ---------- */
/* ---------- Accordéon Prestations (accueil) ---------- */
.prestations-toggle{
  width:100%;
  display:flex; align-items:center; justify-content:space-between; gap:1.5rem;
  background:none; border:none; color: var(--text);
  text-align:left; cursor:pointer;
  padding: 0 0 1.5rem;
}
.prestations-toggle .chevron{ transition: transform .3s ease; color: var(--accent-cyan); flex-shrink:0; }
.prestations-toggle[aria-expanded="true"] .chevron{ transform: rotate(180deg); }
.prestations-title{
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 4.5vw, 2.8rem);
  margin: 0;
}
.prestations-panel{
  max-height:0; overflow:hidden;
  transition: max-height .5s cubic-bezier(.2,.7,.2,1);
}
.prestations-panel.open{ max-height: 2000px; }
.prestations-panel-inner{ padding-top: .5rem; }
.prestations-intro{ color: var(--text-muted); max-width:60ch; margin: 0 0 var(--space-3); }

.grid{ display:grid; gap: 1.5rem; }
.grid-3{ grid-template-columns: repeat(3, 1fr); }
.grid-2{ grid-template-columns: repeat(2, 1fr); }

.card{
  background: linear-gradient(160deg, var(--panel), var(--bg-alt));
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 2rem 1.75rem;
  position:relative;
  overflow:hidden;
  transition: transform .3s cubic-bezier(.2,.8,.2,1), border-color .3s ease, box-shadow .3s ease;
}
.card::before{
  content:"";
  position:absolute; inset:-1px;
  background: linear-gradient(135deg, var(--accent-violet), transparent 40%);
  opacity:0;
  transition: opacity .3s ease;
  z-index:-1;
  border-radius: inherit;
}
.card:hover{ transform: translateY(-6px); border-color: rgba(212,175,55,.5); box-shadow: 0 16px 40px -16px rgba(212,175,55,.35); }
.card:hover::before{ opacity:.15; }

.card .tag{
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.1em; text-transform:uppercase;
  color: var(--accent-cyan); margin-bottom: 1rem; display:inline-block;
}
.card h3{ font-family: var(--font-display); font-size: 1.25rem; margin: 0 0 .6rem; }
.card p{ color: var(--text-muted); margin:0; font-size:.95rem; }

/* ---------- À propos : photos ---------- */
.about-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: var(--space-4);
  align-items:center;
}
.photo-frame{
  position: relative;
  aspect-ratio: 4/5;
  border-radius: var(--radius);
  overflow:hidden;
  border: 1px solid var(--panel-border);
  background: linear-gradient(150deg, #221b0e, #0a0906 60%);
}
.photo-frame img{ width:100%; height:100%; object-fit:cover; }
.photo-placeholder{
  position:absolute; inset:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center; gap:.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono); font-size:.72rem; letter-spacing:.08em; text-align:center; padding: 1rem;
}
.photo-placeholder svg{ width:44px; height:44px; opacity:.5; }
.photo-frame.small{ position:absolute; width:46%; bottom:-10%; right:-12%; box-shadow: 0 20px 50px -12px rgba(0,0,0,.6); }
.photo-stack{ position:relative; }

.stat-row{ display:flex; gap: var(--space-4); margin-top: var(--space-4); flex-wrap:wrap; }
.stat b{
  display:block; font-family: var(--font-display); font-size: 2.1rem; color: var(--accent-cyan);
}
.stat span{ font-family: var(--font-mono); font-size:.72rem; color: var(--text-dim); text-transform:uppercase; letter-spacing:.08em; }

/* ---------- Timeline / déroulé prestation ---------- */
.timeline{ border-left: 1px solid var(--panel-border); margin-left: 1rem; }
.timeline li{ position:relative; padding: 0 0 2.5rem 2rem; }
.timeline li::before{
  content:""; position:absolute; left:-6px; top:4px; width:11px; height:11px; border-radius:50%;
  background: var(--bg); border: 2px solid var(--accent-violet);
}
.timeline h4{ font-family: var(--font-display); font-size:1.05rem; margin:0 0 .3rem; }
.timeline p{ color: var(--text-muted); margin:0; font-size:.92rem; }

/* ---------- Contact : sélecteur d'événement ---------- */
.event-select{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; }
.event-card{
  cursor:pointer;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 1.75rem 1.25rem;
  text-align:center;
  transition: all .25s ease;
  position:relative;
}
.event-card svg{ width:32px; height:32px; margin: 0 auto .9rem; stroke: var(--text-muted); transition: stroke .25s ease; }
.event-card h3{ font-family: var(--font-display); font-size: 1.05rem; margin:0 0 .3rem; }
.event-card p{ font-size: .82rem; color: var(--text-dim); margin:0; }
.event-card:hover{ border-color: var(--accent-cyan); transform: translateY(-3px); }
.event-card[aria-pressed="true"]{
  border-color: var(--accent-violet);
  background: linear-gradient(160deg, rgba(212,175,55,.12), var(--panel));
  box-shadow: 0 0 0 1px var(--accent-violet), 0 12px 30px -12px rgba(212,175,55,.5);
}
.event-card[aria-pressed="true"] svg{ stroke: var(--accent-violet); }
.event-card .check{
  position:absolute; top:.7rem; right:.7rem; width:20px; height:20px; border-radius:50%;
  border: 1px solid var(--panel-border); display:flex; align-items:center; justify-content:center;
  font-size: .65rem; color: transparent; transition: all .2s ease;
}
.event-card[aria-pressed="true"] .check{
  background: var(--accent-violet); border-color: var(--accent-violet); color:#fff;
}

/* ---------- Formulaire / Accordéon ---------- */
.form-panel{
  margin-top: var(--space-4);
  max-height: 0;
  overflow:hidden;
  opacity: 0;
  transition: max-height .5s cubic-bezier(.2,.7,.2,1), opacity .4s ease;
}
.form-panel.open{ max-height: 2600px; opacity:1; }

.accordion-item{
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  background: var(--panel);
  overflow:hidden;
}
.accordion-trigger{
  width:100%;
  display:flex; align-items:center; justify-content:space-between;
  background:none; border:none; color: var(--text);
  padding: 1.1rem 1.4rem;
  cursor:pointer;
  font-family: var(--font-display);
  font-size: .98rem;
}
.accordion-trigger .num{ font-family: var(--font-mono); color: var(--accent-cyan); margin-right:.7rem; font-size:.85rem; }
.accordion-trigger .chevron{ transition: transform .3s ease; color: var(--text-dim); }
.accordion-trigger[aria-expanded="true"] .chevron{ transform: rotate(180deg); color: var(--accent-cyan); }

.accordion-panel{
  max-height:0; overflow:hidden; transition: max-height .4s cubic-bezier(.2,.7,.2,1);
}
.accordion-panel-inner{ padding: .3rem 1.4rem 1.5rem; }

.field{ margin-bottom: 1.1rem; }
.field label{
  display:block; font-family: var(--font-mono); font-size:.72rem; letter-spacing:.06em; text-transform:uppercase;
  color: var(--text-dim); margin-bottom: .5rem;
}
.field input, .field select, .field textarea{
  width:100%;
  background: var(--bg-alt);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: .8rem 1rem;
  font-family: var(--font-body);
  font-size: .95rem;
  transition: border-color .2s ease, box-shadow .2s ease;
}
.field input:focus, .field select:focus, .field textarea:focus{
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 3px rgba(241,216,129,.15);
  outline: none;
}
.field-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.checkbox-grid{ display:grid; grid-template-columns: repeat(2, 1fr); gap: .7rem; }
.checkbox-item{
  display:flex; align-items:center; gap:.6rem;
  border:1px solid var(--panel-border); border-radius: var(--radius-sm);
  padding: .7rem .9rem; font-size:.88rem; cursor:pointer;
  transition: border-color .2s ease, background .2s ease;
}
.checkbox-item:hover{ border-color: var(--accent-violet-dim); }
.checkbox-item input{ accent-color: var(--accent-violet); width:16px; height:16px; }

.submit-row{ display:flex; align-items:center; gap: 1.2rem; margin-top: var(--space-3); flex-wrap:wrap; }
.form-note{ font-size:.82rem; color: var(--text-dim); }

.success-msg{
  display:none;
  margin-top: var(--space-3);
  padding: 1.2rem 1.4rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--accent-cyan);
  background: rgba(241,216,129,.08);
  font-size: .92rem;
}
.success-msg.show{ display:block; animation: pop-in .4s cubic-bezier(.2,.8,.2,1); }
@keyframes pop-in{ from{ transform: scale(.95); opacity:0;} to{ transform:scale(1); opacity:1; } }

/* ---------- Contact infos rapides ---------- */
.contact-info{ display:flex; gap: var(--space-4); flex-wrap:wrap; margin-top: var(--space-4); }
.contact-info .item{ display:flex; gap: .8rem; align-items:flex-start; }
.contact-info svg{ width:20px; height:20px; stroke: var(--accent-violet); flex-shrink:0; margin-top:.15rem; }
.contact-info h4{ margin:0 0 .2rem; font-size:.85rem; font-family: var(--font-mono); text-transform:uppercase; letter-spacing:.06em; color: var(--text-dim); }
.contact-info p{ margin:0; font-size:.95rem; }

/* ---------- Footer ---------- */
footer{
  border-top: 1px solid rgba(255,255,255,.06);
  padding: var(--space-4) 0 var(--space-3);
  position:relative; z-index:1;
}
.footer-inner{ display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:1rem; }
.footer-inner p{ color: var(--text-dim); font-size:.8rem; margin:0; }
.socials{ display:flex; gap:1rem; }
.socials a{
  width:54px; height:54px; border-radius:50%; border:1px solid var(--panel-border);
  display:flex; align-items:center; justify-content:center;
  transition: border-color .2s ease, color .2s ease, transform .2s ease;
  color: var(--text-muted);
}
.socials a:hover{ border-color: var(--accent-violet); color: var(--accent-violet); transform: translateY(-3px); }
.socials svg{ width:24px; height:24px; }

/* ---------- Responsive ---------- */
@media (max-width: 860px){
  .nav-links{
    position:fixed; top: 64px; left:0; right:0; height:auto;
    background: rgba(15,13,9,.94);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction:row; flex-wrap:wrap; justify-content:center;
    padding: 1.2rem 1rem; gap: .6rem;
    transform: translateY(-12px); opacity:0; visibility:hidden; pointer-events:none;
    transition: transform .3s ease, opacity .3s ease, visibility .3s;
    border-top: 1px solid var(--panel-border);
    border-bottom: 1px solid var(--panel-border);
    border-radius: 0 0 var(--radius) var(--radius);
    box-shadow: 0 24px 48px -20px rgba(0,0,0,.7);
    z-index: 60;
  }
  .nav-links a{
    font-size: .82rem;
    padding: .55rem .9rem;
    border-radius: var(--radius-sm);
    background: var(--panel);
    border: 1px solid var(--panel-border);
  }
  .nav-links.open{ transform: translateY(0); opacity:1; visibility:visible; pointer-events:auto; }
  .nav-toggle{ display:flex; }
  .grid-3{ grid-template-columns: 1fr; }
  .grid-2{ grid-template-columns: 1fr; }
  .about-grid{ grid-template-columns: 1fr; }
  .photo-frame.small{ position:relative; width:70%; bottom:0; right:0; margin: 1.5rem auto 0; }
  .event-select{ grid-template-columns: 1fr; }
  .field-row{ grid-template-columns: 1fr; }
  .checkbox-grid{ grid-template-columns: 1fr; }
  .contact-info{ gap: var(--space-3); }
}