/* =========================================================================
   IPTVORA — Section « Univers 3D » (bannière principale)
   3D réelle en CSS (preserve-3d) + particules Canvas. Aucune dépendance.
   ========================================================================= */
.u3d {
  --u-bg: #050B18;
  --u-blue: #087CFF;
  --u-blue-btn: #0566D9;            /* texte blanc conforme AA */
  --u-white: #FFFFFF;
  --u-text: #C9D6EA;
  --s: .7; --W: 1000px; --H: 700px;  /* réglés par univers.js */
  --rx: 0deg; --ry: 0deg;            /* parallaxe */
  position: relative; isolation: isolate; overflow: hidden;
  color: var(--u-white); background:
    radial-gradient(900px 600px at 72% 45%, rgba(8,124,255,.20), transparent 65%),
    radial-gradient(700px 500px at 10% 100%, rgba(8,124,255,.10), transparent 70%),
    var(--u-bg);
  margin-top: calc(var(--header-h, 72px) * -1);
  padding-top: var(--header-h, 72px);
  min-height: min(80vh, 680px);
  display: flex; align-items: center;
}
.u3d::after { /* fondu vers la section suivante */
  content: ""; position: absolute; inset: auto 0 0 0; height: 120px; z-index: -1;
  background: linear-gradient(0deg, var(--u-bg), transparent);
}
.u3d-particles { position: absolute; inset: 0; width: 100%; height: 100%; z-index: -1; pointer-events: none; }
.u3d-aura {
  position: absolute; z-index: -1; width: 60vmax; height: 60vmax; right: -12vmax; top: 50%;
  transform: translateY(-50%); border-radius: 50%; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0 20%, rgba(8,124,255,.22) 30%, transparent 45% 70%, rgba(120,190,255,.14) 80%, transparent 92%);
  filter: blur(60px); animation: u3d-spin 24s linear infinite;
}
@keyframes u3d-spin { to { transform: translateY(-50%) rotate(360deg); } }

.u3d-grid {
  display: grid; grid-template-columns: minmax(0, .74fr) minmax(0, 1.26fr);
  align-items: center; gap: 48px; padding-block: 24px 48px; width: min(1400px, 100% - 32px);
  padding-inline-start: clamp(0px, (100vw - 1212px) / 2, 110px);
}

/* ------------------------------ Texte ---------------------------------- */
.u3d-copy { position: relative; z-index: 2; max-width: 560px; }
.u3d-eyebrow {
  display: inline-flex; align-items: center; gap: 10px; margin: 0 0 20px; padding: 7px 14px;
  border: 1px solid rgba(8,124,255,.45); border-radius: 999px; background: rgba(8,124,255,.10);
  font-size: .8rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: #8EC2FF;
}
.u3d-eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--u-blue); box-shadow: 0 0 10px var(--u-blue); }
.u3d-title { margin: 0 0 22px; font-size: clamp(2rem, 3.4vw, 2.9rem); text-wrap: balance; font-weight: 800; line-height: 1.04; letter-spacing: -.035em; }
.u3d-line { display: block; }
.u3d-accent {
  background: linear-gradient(92deg, #3D9BFF 0%, var(--u-blue) 45%, #9FD0FF 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 22px rgba(8,124,255,.35));
}
.u3d-lead { margin: 0 0 26px; font-size: clamp(1.05rem, 1.6vw, 1.22rem); line-height: 1.6; color: var(--u-text); max-width: 46ch; }
.u3d-actions { display: flex; flex-wrap: wrap; gap: 14px; }

.u3d-btn {
  position: relative; display: inline-flex; align-items: center; justify-content: center; min-height: 56px;
  padding: 0 30px; border-radius: 999px; font-weight: 700; font-size: 1.04rem; text-decoration: none; color: var(--u-white);
  overflow: hidden; isolation: isolate; transition: transform .3s cubic-bezier(.2,.8,.2,1), box-shadow .3s, border-color .3s, background-color .3s;
}
.u3d-btn::after { /* reflet qui balaie le bouton */
  content: ""; position: absolute; inset: 0; z-index: -1; transform: translateX(-120%) skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.35), transparent); transition: transform .7s ease;
}
.u3d-btn:hover::after, .u3d-btn:focus-visible::after { transform: translateX(120%) skewX(-20deg); }
.u3d-btn:hover { transform: translateY(-3px); }
.u3d-btn-primary { background: var(--u-blue-btn); box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset, 0 10px 30px rgba(8,124,255,.45); }
.u3d-btn-primary:hover, .u3d-btn-primary:focus-visible {
  box-shadow: 0 0 0 1px rgba(255,255,255,.2) inset, 0 0 24px rgba(8,124,255,.9), 0 0 60px rgba(8,124,255,.55), 0 14px 34px rgba(8,124,255,.5);
}
.u3d-btn-ghost { border: 1.5px solid rgba(255,255,255,.32); background: rgba(255,255,255,.05); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.u3d-btn-ghost:hover, .u3d-btn-ghost:focus-visible { border-color: var(--u-blue); box-shadow: 0 0 22px rgba(8,124,255,.5), 0 0 0 1px rgba(8,124,255,.6) inset; }
.u3d-btn:focus-visible { outline: 3px solid var(--u-white); outline-offset: 3px; }

/* ------------------------------ Scène ---------------------------------- */
.u3d-stage {
  position: relative; height: calc(var(--H) * var(--s)); width: 100%;
  perspective: 1600px; perspective-origin: 50% 40%; touch-action: pan-y;
}
.u3d-world {
  position: absolute; left: 50%; top: 50%; width: var(--W); height: var(--H);
  margin: calc(var(--H) / -2) 0 0 calc(var(--W) / -2);
  transform-style: preserve-3d;
  transform: scale(var(--s)) rotateX(var(--rx)) rotateY(var(--ry));
}
.u3d-world > * { position: absolute; left: 50%; top: 50%; transform-style: preserve-3d; }

/* Halo animé derrière la TV */
.u3d-halo {
  width: 760px; height: 520px; margin: -300px 0 0 -380px; border-radius: 50%;
  transform: translateZ(-160px);
  background: radial-gradient(closest-side, rgba(8,124,255,.62), rgba(8,124,255,.18) 55%, transparent 75%);
  filter: blur(18px); animation: u3d-pulse 5s ease-in-out infinite;
}
@keyframes u3d-pulse { 0%,100% { opacity: .75; transform: translateZ(-160px) scale(.94); } 50% { opacity: 1; transform: translateZ(-160px) scale(1.06); } }
.u3d-floor {
  width: 900px; height: 900px; margin: -450px 0 0 -450px;
  transform: translateY(260px) rotateX(90deg); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(8,124,255,.45), rgba(8,124,255,.10) 45%, transparent 70%),
              repeating-radial-gradient(circle, rgba(140,195,255,.10) 0 1px, transparent 1px 46px);
}

/* Smart TV */
.u3d-tv { --tvx: 0px; --tvy: -30px; --tvry: 0deg; --tvrx: 0deg; width: 620px; height: 385px; margin: -192px 0 0 -310px;
  transform: translate3d(var(--tvx), var(--tvy), 0) rotateX(var(--tvrx)) rotateY(var(--tvry)); }
.u3d-tv-body { position: absolute; inset: 0; transform-style: preserve-3d; }
.u3d-tv-front, .u3d-tv-back, .u3d-tv-depth { position: absolute; inset: 0; border-radius: 18px; }
.u3d-tv-front {
  padding: 12px; transform: translateZ(2px);
  background: linear-gradient(145deg, #1B2538, #070C17 60%, #111B2D);
  box-shadow: 0 0 0 1px rgba(150,200,255,.18) inset, 0 0 40px rgba(8,124,255,.45), 0 0 120px rgba(8,124,255,.25), 0 40px 80px rgba(0,0,0,.6);
  animation: u3d-led 4s ease-in-out infinite;
}
@keyframes u3d-led {
  50% { box-shadow: 0 0 0 1px rgba(150,200,255,.3) inset, 0 0 60px rgba(8,124,255,.7), 0 0 160px rgba(8,124,255,.35), 0 40px 80px rgba(0,0,0,.6); }
}
.u3d-tv-depth { transform: translateZ(var(--z)); background: #0A1222; border: 1px solid rgba(110,170,255,.18); }
.u3d-tv-back { transform: translateZ(-20px) rotateY(180deg); background: linear-gradient(160deg, #142036, #060A14); border: 1px solid rgba(110,170,255,.15); }
.u3d-led { position: absolute; left: 50%; bottom: 4px; width: 46px; height: 3px; margin-left: -23px; border-radius: 3px; background: var(--u-blue); box-shadow: 0 0 10px var(--u-blue), 0 0 20px var(--u-blue); }
.u3d-stand {
  width: 220px; height: 70px; left: 50%; top: 100%; margin-left: -110px;
  transform: translateZ(-30px);
  background: linear-gradient(180deg, transparent 0 40%, #1A2539 40% 58%, transparent 58%),
              linear-gradient(90deg, transparent 46%, #223049 46% 54%, transparent 54%);
}
.u3d-stand::after { content: ""; position: absolute; left: 20px; right: 20px; bottom: 6px; height: 8px; border-radius: 50%; background: rgba(8,124,255,.5); filter: blur(10px); }

/* Interface de l'écran */
.u3d-screen {
  position: relative; height: 100%; border-radius: 9px; overflow: hidden; padding: 14px 16px;
  display: grid; grid-template-rows: auto 1fr auto; gap: 12px;
  background: radial-gradient(120% 90% at 80% 0%, #0E2B58 0%, #071226 55%, #050B18 100%);
}
.u3d-ui-top { display: flex; align-items: center; gap: 8px; min-width: 0; }
.u3d-ui-top img { width: 96px; height: auto; margin-right: 10px; }
.u3d-chip { padding: 4px 11px; border-radius: 999px; font-size: 11px; font-weight: 600; color: #A9BCD9; white-space: nowrap; }
.u3d-chip.is-on { background: rgba(255,255,255,.12); color: #fff; }
.u3d-live { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; border-radius: 6px; background: rgba(8,124,255,.18); color: #BFDDFF; font-size: 10px; font-weight: 800; letter-spacing: .1em; text-transform: uppercase; }
.u3d-live i { width: 6px; height: 6px; border-radius: 50%; background: #3DA0FF; box-shadow: 0 0 8px #3DA0FF; animation: u3d-blink 1.4s infinite; }
@keyframes u3d-blink { 50% { opacity: .25; } }
.u3d-ui-feature { position: relative; border-radius: 10px; overflow: hidden; min-height: 0; }
.u3d-feature-slide {
  position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 16px 18px;
  background-size: cover; opacity: 0; transform: scale(1.08); transition: opacity 1.2s ease, transform 6s ease;
}
.u3d-feature-slide::before { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, rgba(5,11,24,.9), rgba(5,11,24,.15) 65%); }
.u3d-feature-slide.is-on { opacity: 1; transform: scale(1); }
.u3d-feature-slide b, .u3d-feature-slide span { position: relative; }
.u3d-feature-slide b { font-size: 26px; letter-spacing: -.02em; line-height: 1.1; }
.u3d-feature-slide span { font-size: 12px; color: #BFD3F0; }
.u3d-progress { position: absolute; left: 18px; right: 18px; bottom: 8px; height: 3px; border-radius: 3px; background: rgba(255,255,255,.15); overflow: hidden; }
.u3d-progress i { display: block; height: 100%; width: 100%; background: var(--u-blue); transform-origin: left; animation: u3d-progress 6s linear infinite; }
@keyframes u3d-progress { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.u3d-ui-row { position: relative; display: grid; grid-template-columns: repeat(6, 1fr); gap: 8px; }
.u3d-tile { aspect-ratio: 16 / 10; border-radius: 6px; background-size: 260% auto; box-shadow: 0 0 0 1px rgba(255,255,255,.08) inset; }
.u3d-focus {
  position: absolute; top: -3px; left: -3px; width: calc((100% - 40px) / 6 + 6px); aspect-ratio: 16 / 10; height: auto;
  border-radius: 8px; border: 2px solid #fff; box-shadow: 0 0 16px rgba(8,124,255,.9);
  transition: transform .6s cubic-bezier(.2,.8,.2,1), width .6s;
}
.u3d-glare {
  position: absolute; inset: -40%; pointer-events: none;
  background: linear-gradient(115deg, transparent 40%, rgba(255,255,255,.10) 48%, transparent 56%);
  transform: translateX(var(--glare, -30%));
}

/* Cartes flottantes */
.u3d-cards { list-style: none; margin: 0; padding: 0; width: 0; height: 0; }
.u3d-card {
  --x: 0px; --y: 0px; --z: 0px; --cry: 0deg; --k: 1;
  position: absolute; left: 0; top: 0; width: var(--cw, 210px); height: 92px; margin: -46px 0 0 calc(var(--cw, 210px) / -2);
  transform-style: preserve-3d;
  transform: translate3d(var(--x), var(--y), var(--z)) rotateY(var(--cry)) scale(var(--k));
  transition: transform 1.6s cubic-bezier(.65,0,.25,1);
}
.u3d-float { position: absolute; inset: 0; transform-style: preserve-3d; animation: u3d-float var(--fd, 6s) ease-in-out infinite; animation-delay: var(--fdl, 0s); }
@keyframes u3d-float {
  0%, 100% { transform: translate3d(0, 0, 0) rotateZ(0deg); }
  50% { transform: translate3d(0, -14px, 18px) rotateZ(-1.2deg); }
}
.u3d-glass {
  --tx: 0deg; --ty: 0deg; --gx: 50%; --gy: 0%;
  position: absolute; inset: 0; display: grid; grid-template-columns: 46px 1fr; grid-template-rows: auto auto; column-gap: 14px; align-content: center;
  padding: 0 18px; border-radius: 18px; cursor: default;
  background:
    radial-gradient(200px 120px at var(--gx) var(--gy), rgba(255,255,255,.22), transparent 70%),
    linear-gradient(140deg, rgba(40,90,170,.42), rgba(10,22,46,.66));
  border: 1px solid rgba(160,205,255,.32);
  box-shadow: 0 0 0 1px rgba(255,255,255,.04) inset, 0 18px 40px rgba(0,0,0,.45), 0 0 26px rgba(8,124,255,.25);
  backdrop-filter: blur(10px) saturate(140%); -webkit-backdrop-filter: blur(10px) saturate(140%);
  transform: rotateX(var(--tx)) rotateY(var(--ty)); transition: transform .25s ease, box-shadow .3s, border-color .3s;
}
.u3d-card.is-hover .u3d-glass { border-color: rgba(8,124,255,.9); box-shadow: 0 0 0 1px rgba(8,124,255,.5) inset, 0 22px 50px rgba(0,0,0,.5), 0 0 40px rgba(8,124,255,.6); }
.u3d-glass svg { grid-row: 1 / 3; width: 46px; height: 46px; padding: 10px; border-radius: 13px; fill: none; stroke: #fff; stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round;
  background: linear-gradient(145deg, var(--u-blue), #0A3F8F); box-shadow: 0 0 18px rgba(8,124,255,.6); }
.u3d-glass strong { align-self: end; font-size: 19px; font-weight: 800; letter-spacing: .01em; text-transform: uppercase; line-height: 1.15; white-space: nowrap; }
.u3d-glass span { align-self: start; font-size: 14px; color: #BCD0EC; white-space: nowrap; }

/* Appareils */
.u3d-device { --dx: 0px; --dy: 0px; --dz: 0px; --drx: 0deg; --dry: 0deg; --drz: 0deg;
  transform: translate3d(var(--dx), var(--dy), var(--dz)) rotateX(var(--drx)) rotateY(var(--dry)) rotateZ(var(--drz)); transition: transform 1.2s cubic-bezier(.65,0,.25,1); }
.u3d-dev-body { position: absolute; inset: 0; border-radius: inherit; }
.u3d-tablet { width: 150px; height: 200px; margin: -100px 0 0 -75px; border-radius: 16px; }
.u3d-phone { width: 78px; height: 156px; margin: -78px 0 0 -39px; border-radius: 16px; }
.u3d-tablet .u3d-dev-body, .u3d-phone .u3d-dev-body {
  padding: 7px; background: linear-gradient(150deg, #2A3650, #0A101C); border: 1px solid rgba(160,205,255,.3);
  box-shadow: 0 20px 40px rgba(0,0,0,.5), 0 0 24px rgba(8,124,255,.3);
}
.u3d-dev-screen { height: 100%; border-radius: 10px; background:
  linear-gradient(180deg, transparent 0 22%, rgba(5,11,24,.0) 22%),
  radial-gradient(100% 60% at 50% 0%, rgba(8,124,255,.7), transparent 70%),
  linear-gradient(180deg, #0B2550, #050B18);
  position: relative; overflow: hidden; }
.u3d-dev-screen::before { /* mini logo play */
  content: ""; position: absolute; left: 50%; top: 38%; width: 30%; aspect-ratio: 1; transform: translate(-50%, -50%); border-radius: 50%;
  background: var(--u-blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath fill='white' d='M9 7v10l8-5z'/%3E%3C/svg%3E") center / 60% no-repeat;
  box-shadow: 0 0 18px rgba(8,124,255,.8);
}
.u3d-dev-screen::after { content: ""; position: absolute; left: 12%; right: 12%; bottom: 14%; height: 26%;
  background: repeating-linear-gradient(180deg, rgba(255,255,255,.18) 0 4px, transparent 4px 10px); border-radius: 3px; }
.u3d-remote { width: 40px; height: 150px; margin: -75px 0 0 -20px; border-radius: 20px; }
.u3d-remote .u3d-dev-body {
  display: flex; flex-direction: column; align-items: center; gap: 9px; padding-top: 14px;
  background: linear-gradient(160deg, #2B3852, #0B111E); border: 1px solid rgba(160,205,255,.3); box-shadow: 0 18px 30px rgba(0,0,0,.5), 0 0 18px rgba(8,124,255,.3);
}
.u3d-remote i { display: block; border-radius: 50%; background: #3A4A68; }
.u3d-remote .r-pwr { width: 8px; height: 8px; background: var(--u-blue); box-shadow: 0 0 8px var(--u-blue); }
.u3d-remote .r-pad { width: 26px; height: 26px; border: 3px solid #4C5E80; background: #1A2438; }
.u3d-remote .r-btn { width: 9px; height: 9px; }

/* -------------------------- Apparition au scroll ----------------------- */
.u3d-in { opacity: 0; transform: translateY(26px); filter: blur(6px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2,.8,.2,1), filter .9s ease; transition-delay: calc(var(--d, 0) * 120ms + 100ms); }
.u3d.is-in .u3d-in { opacity: 1; transform: none; filter: none; }
.u3d-stage { opacity: 0; transition: opacity 1.4s ease .2s; }
.u3d.is-in .u3d-stage { opacity: 1; }
.u3d-world { transition: transform 1.8s cubic-bezier(.16,1,.3,1); }
.u3d:not(.is-in) .u3d-world { transform: scale(calc(var(--s) * .82)) translateZ(-260px) rotateX(18deg) rotateY(-24deg); }
.u3d.is-live .u3d-world { transition: none; }
.u3d:not(.is-in) .u3d-card { --k: .4 !important; }

/* ------------------------------ Responsive ----------------------------- */
@media (max-width: 960px) {
  .u3d { display: block; min-height: 0; }
  .u3d-grid { grid-template-columns: 1fr; gap: 0; padding-block: 0 44px; }
  .u3d-stage { order: -1; width: 100%; margin-right: 0; }
  .u3d-copy { max-width: none; }
  .u3d-aura { right: -30vmax; top: 30%; }
}
@media (max-width: 560px) {
  .u3d-actions .u3d-btn { flex: 1 1 100%; }
  .u3d-eyebrow { font-size: .72rem; }
}

/* ---------------------- Mouvement réduit / sans 3D --------------------- */
@media (prefers-reduced-motion: reduce) {
  .u3d-aura, .u3d-halo, .u3d-tv-front, .u3d-float, .u3d-progress i, .u3d-live i { animation: none !important; }
  .u3d-in, .u3d-stage, .u3d-world, .u3d-card, .u3d-device, .u3d-feature-slide, .u3d-focus, .u3d-btn, .u3d-btn::after { transition: none !important; }
  .u3d-in { opacity: 1; transform: none; filter: none; }
  .u3d-stage { opacity: 1; }
  .u3d:not(.is-in) .u3d-world { transform: scale(var(--s)); }
  .u3d:not(.is-in) .u3d-card { --k: 1 !important; }
}
.u3d.no-3d .u3d-world { transform: scale(var(--s)) !important; }
.u3d.no-3d .u3d-tv-depth, .u3d.no-3d .u3d-tv-back, .u3d.no-3d .u3d-floor { display: none; }

/* Disposition compacte : textes des cartes ajustés */
.u3d.is-compact .u3d-card { height: 78px; margin-top: -39px; }
.u3d.is-compact .u3d-glass { grid-template-columns: 40px 1fr; column-gap: 10px; padding: 0 12px; }
.u3d.is-compact .u3d-glass svg { grid-row: auto; width: 40px; height: 40px; padding: 9px; }
.u3d.is-compact .u3d-glass strong { align-self: center; font-size: 19px; letter-spacing: 0; }
.u3d.is-compact .u3d-glass span { display: none; }