/* Team NxNcy – full-screen tiles */
html { scroll-behavior: smooth; }
html, body { max-width: 100%; overflow-x: hidden; }
* { box-sizing: border-box; }
:root { --bg-dark:#0b0d10; --bg-darker:#111317; --line:#23262d; --text:#ffffff; }

body {
  background: var(--bg-dark);
  color: var(--text);
  font-family: Inter, system-ui, sans-serif;
}

/* Header */
.header-blur {
  backdrop-filter: blur(8px);
  background: rgba(11,13,16,.7);
  border-bottom: 1px solid var(--line);
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 16px; }

/* Ribbon */
.tri { background: linear-gradient(90deg,#2446e0 0 33%,#d61f26 33% 66%,#ffffff 66% 100%); }

/* Full screen tile */
.tile-full { position: relative; min-height: 100svh; display: grid; place-items: stretch; overflow: hidden; }
.tile-full::before{
  content:""; position:absolute; inset:0; z-index:0;
  background-image: var(--bg-image, none);
  background-size: cover; background-position: center; background-repeat: no-repeat;
  transform: scale(1.03);
}
.tile-full::after{
  content:""; position:absolute; inset:0; z-index:0;
  background: radial-gradient(120% 140% at 30% 20%, rgba(0,0,0,.25) 0%, rgba(0,0,0,.55) 55%, rgba(0,0,0,.78) 100%);
}
.tile-inner{ position:relative; z-index:1; display:flex; align-items:center; min-height:100svh; }
.tile-content{ max-width: 72rem; margin: 0 auto; padding: clamp(20px, 4vw, 48px); }
.tile-kicker{
  display:inline-flex; gap:8px; align-items:center; padding:.35rem .6rem; border:1px solid var(--line);
  border-radius: 999px; background: rgba(0,0,0,.45); font-size:.8rem; letter-spacing:.04em;
}
.tile-title{ font-weight: 800; line-height: 1.05; font-size: clamp(2rem, 4.5vw, 4rem); }
.tile-sub{ color: rgba(255,255,255,.85); max-width: 60ch; margin-top: .75rem; }
.tile-cta{
  display:inline-flex; gap:.6rem; align-items:center; margin-top: 1.25rem; padding:.8rem 1.1rem;
  border-radius: 16px; font-weight: 600; background:#fff; color:#0b0d10; text-decoration:none;
}
.tile-cta-outline{
  display:inline-flex; gap:.6rem; align-items:center; margin-top: 1.25rem; padding:.8rem 1.1rem;
  border-radius: 16px; font-weight: 600; border:1px solid var(--line); color:#fff;
  text-decoration:none; background: rgba(0,0,0,.35);
}
.tile-actions{ display:flex; flex-wrap:wrap; gap:.6rem; margin-top: 1rem; }

/* Sections classiques */
.section{ max-width: 72rem; margin: 0 auto; padding: 48px 24px; }
.border-line{ border-top:1px solid var(--line); }
.card{ border:1px solid var(--line); background: rgba(17,19,23,.55); border-radius: 18px; padding: 16px; }
.card-row{ display:grid; grid-template-columns: 1fr; gap: 12px; }
@media (min-width: 768px){ .card-row{ grid-template-columns: 1fr 1fr; } }
@media (min-width: 1024px){ .card-row{ grid-template-columns: 1fr 1fr 1fr; } }

/* Footer */
.footer{ border-top:1px solid var(--line); padding: 40px 24px; color: rgba(255,255,255,.7); }

/* Utilitaires */
.hidden{ display:none; }
.btn{ cursor:pointer; }

/* Logo hero */
.tile-logo {
  display: block;
  margin: 1rem auto 0;
  width: clamp(120px, 24vw, 260px);
  height: auto;
  opacity: 0.9;
}

/* ---------- Burger + Mobile nav ---------- */

/* Desktop nav */
.nav-desktop { display: flex; gap: 16px; font-size: .95rem; }
.nav-desktop a { color: inherit; text-decoration: none; opacity: .9; }
.nav-desktop a:hover { opacity: 1; }

/* Burger button */
.burger {
  display: none; position: relative;
  width: 44px; height: 44px;
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(0,0,0,.45); cursor: pointer;
}
.burger:focus { outline: 2px solid rgba(255,255,255,.25); outline-offset: 2px; }
.burger-bars,
.burger-bars::before,
.burger-bars::after {
  position: absolute; left: 50%;
  width: 22px; height: 2px; background: #fff;
  content: ""; transition: transform .25s ease, opacity .2s ease, top .25s ease;
}
.burger-bars { top: 50%; transform: translate(-50%, -50%); }
.burger-bars::before { top: -7px; transform: translateX(-50%); }
.burger-bars::after  { top:  7px; transform: translateX(-50%); }

/* état ouvert -> croix */
.burger[aria-expanded="true"] .burger-bars { transform: translate(-50%, -50%) rotate(45deg); }
.burger[aria-expanded="true"] .burger-bars::before { top: 0; transform: translateX(-50%) rotate(90deg); }
.burger[aria-expanded="true"] .burger-bars::after  { top: 0; opacity: 0; }

/* Mobile panel (overlay) */
.nav-panel {
  position: fixed; inset: 0; z-index: 60;
  display: grid; grid-template-rows: auto 1fr;
  background: rgba(11,13,16,.85);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px);
  transform: translateY(-100%); opacity: 0; pointer-events: none;
  transition: transform .3s ease, opacity .3s ease;
  overscroll-behavior: contain;
}
.nav-panel.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.nav-panel .panel-inner { padding: 16px clamp(16px, 5vw, 36px) 28px; }
.nav-panel .panel-header { display:flex; align-items:center; justify-content:space-between; gap:12px; }
.nav-panel .panel-title { font-weight: 800; }

.panel-close {
  width: 44px; height: 44px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(0,0,0,.35);
  position: relative; cursor: pointer;
}
.panel-close::before, .panel-close::after {
  content:""; position:absolute; top:50%; left:50%;
  width: 22px; height: 2px; background:#fff;
}
.panel-close::before { transform: translate(-50%,-50%) rotate(45deg); }
.panel-close::after  { transform: translate(-50%,-50%) rotate(-45deg); }

.nav-panel .panel-links { display: grid; gap: 10px; padding: 14px 0; }
.nav-panel a {
  color: #fff; text-decoration: none; font-size: 1.08rem;
  padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-panel .cta-row { display:flex; flex-wrap:wrap; gap:10px; margin-top: 18px; }
.nav-panel .btn-solid {
  background:#fff; color:#0b0d10; border-radius: 14px;
  padding:10px 14px; font-weight:700; text-decoration:none;
}
.nav-panel .btn-outline {
  border:1px solid var(--line); color:#fff; border-radius:14px;
  padding:10px 14px; font-weight:600; text-decoration:none; background:rgba(0,0,0,.35);
}

/* Breakpoints */
@media (max-width: 900px) {
  .nav-desktop { display: none; }
  .burger { display: inline-flex; align-items: center; justify-content: center; }
}