/* Réception d'anniversaire en ligne de Simon : invitation (index.html), porte 3D, salle (salle.html) */

:root {
  --night: #1a0b2e;       /* fond : nuit aubergine */
  --night-deep: #0f0620;
  --glass: rgba(201, 182, 255, 0.10);
  --glass-edge: rgba(201, 182, 255, 0.28);
  --lilac: #c9b6ff;
  --gold: #f2c14e;        /* réservé aux actions */
  --gold-deep: #c9932a;
  --pink: #ff7eb6;
  --mint: #7cf5d3;
  --text: #f5efff;
  --muted: #b9a9d9;
  --radius-card: 28px;
  --radius-control: 999px;
  --font-display: "Bricolage Grotesque", system-ui, sans-serif;
  --font-body: "Figtree", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
[id] { scroll-margin-top: 80px; }

body {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.55;
  color: var(--text);
  background:
    radial-gradient(1200px 700px at 50% -10%, #3b1a63 0%, transparent 60%),
    radial-gradient(900px 600px at 100% 100%, #2a0f45 0%, transparent 55%),
    var(--night);
  overflow-x: hidden;
}

a { color: inherit; }

:focus-visible {
  outline: 3px solid var(--gold);
  outline-offset: 3px;
  border-radius: 8px;
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

/* ---------- Barre du haut ---------- */
.topbar {
  position: fixed; inset: 0 0 auto 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 16px clamp(16px, 4vw, 40px);
  background: linear-gradient(180deg, rgba(15,6,32,.85), rgba(15,6,32,0));
}
.wordmark {
  font-family: var(--font-display); font-weight: 700; font-size: 1.15rem;
  text-decoration: none; letter-spacing: -0.01em;
}
.wordmark span { color: var(--gold); }
.mainsite {
  font-size: 0.92rem; text-decoration: none; color: var(--muted);
  padding: 8px 16px; border-radius: var(--radius-control);
  border: 1px solid var(--glass-edge); background: var(--glass);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: color .2s, border-color .2s;
}
.mainsite:hover { color: var(--text); border-color: var(--lilac); }

/* ---------- Ballons (décor flottant) ---------- */
.balloons { position: fixed; inset: 0; pointer-events: none; z-index: 0; }
.balloon {
  position: absolute; width: var(--s, 70px); height: calc(var(--s, 70px) * 1.2);
  border-radius: 50% 50% 48% 48% / 55% 55% 45% 45%;
  background: radial-gradient(circle at 32% 28%, rgba(255,255,255,.75) 0 6%, transparent 18%),
              radial-gradient(circle at 50% 55%, var(--c) 0 60%, color-mix(in srgb, var(--c), #000 35%) 100%);
  opacity: .85;
  animation: float var(--d, 9s) ease-in-out infinite alternate;
  filter: drop-shadow(0 18px 24px rgba(0,0,0,.35));
}
.balloon::after { /* la ficelle */
  content: ""; position: absolute; left: 50%; top: 100%;
  width: 1px; height: calc(var(--s, 70px) * 1.6);
  background: linear-gradient(rgba(255,255,255,.45), transparent);
}
.balloon::before { /* le nœud */
  content: ""; position: absolute; left: calc(50% - 5px); bottom: -6px;
  border: 5px solid transparent; border-bottom-color: color-mix(in srgb, var(--c), #000 30%);
}
@keyframes float {
  from { transform: translate3d(0, 0, 0) rotate(-4deg); }
  to   { transform: translate3d(12px, -38px, 0) rotate(5deg); }
}

/* ---------- Bouton principal ---------- */
.btn-gold {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 700 1.05rem/1 var(--font-body);
  color: #2a1600; background: linear-gradient(180deg, #ffd978, var(--gold) 55%, var(--gold-deep));
  border: 0; border-radius: var(--radius-control); padding: 18px 30px; cursor: pointer;
  box-shadow: 0 10px 30px rgba(242, 193, 78, .35), inset 0 1px 0 rgba(255,255,255,.6);
  transition: transform .15s, box-shadow .2s;
}
.btn-gold:hover { transform: translateY(-2px); box-shadow: 0 16px 40px rgba(242, 193, 78, .45), inset 0 1px 0 rgba(255,255,255,.6); }
.btn-gold:active { transform: translateY(0); }

/* =========================================================
   LANDING (index.html)
   ========================================================= */

/* Icônes SVG (assets/icons.svg) */
.icon { width: 1.25em; height: 1.25em; flex: none; vertical-align: -0.2em; }
.icon-sm { width: 1em; height: 1em; }

.topnav { display: flex; gap: 6px; margin-left: auto; margin-right: 8px; }
.topnav a {
  text-decoration: none; color: var(--muted); font-size: .95rem;
  padding: 8px 14px; border-radius: var(--radius-control); transition: color .2s, background .2s;
}
.topnav a:hover { color: var(--text); background: var(--glass); }
.mainsite { display: inline-flex; align-items: center; gap: 6px; }

.btn-ghost {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  font: 600 1.02rem/1 var(--font-body); color: var(--text); text-decoration: none;
  padding: 17px 26px; border-radius: var(--radius-control);
  border: 1px solid var(--glass-edge); background: var(--glass);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  transition: border-color .2s, background .2s;
}
.btn-ghost:hover { border-color: var(--lilac); background: rgba(201,182,255,.16); }

/* Landing only: in the room, title and cake are positioned against the page itself */
body[data-page="invitation"] main { position: relative; z-index: 1; }

/* Landing: balloons stay in the side margins, never behind the text */
body[data-page="invitation"] .balloon { opacity: .55; }

/* ----- Hero : texte à gauche, pile de photos 3D à droite ----- */
.hero {
  position: relative; min-height: 100svh;
  display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center;
  gap: clamp(24px, 5vw, 72px);
  max-width: 1240px; margin: 0 auto; padding: 110px clamp(16px, 4vw, 40px) 80px;
}
.invite-number { color: var(--gold); font-weight: 600; margin: 0 0 14px; }
.hero-title {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.4rem, 5.2vw, 4.3rem); line-height: 1; letter-spacing: -0.035em;
  margin: 0 0 22px;
}
.hero-title .line { display: block; text-wrap: balance; }
.hero-lead { color: #e2d7f7; font-size: 1.12rem; max-width: 52ch; margin: 0 0 26px; }

.hero-facts { list-style: none; margin: 0 0 32px; padding: 0; display: grid; gap: 10px; }
.hero-facts li { display: flex; align-items: center; gap: 12px; color: var(--text); }
.hero-facts .icon { color: var(--gold); width: 22px; height: 22px; }
.hero-facts strong { color: var(--muted); font-weight: 600; margin-right: 6px; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hero-actions-center { justify-content: center; }
.guests-line { margin: 22px 0 0; color: var(--muted); font-size: .95rem; min-height: 1.5em; }
.guests-line strong { color: var(--text); }

.scroll-hint {
  position: absolute; left: 50%; bottom: 22px; margin-left: -22px; width: 44px; height: 44px;
  display: grid; place-items: center; border-radius: 50%; color: var(--muted);
  border: 1px solid var(--glass-edge); background: var(--glass);
  animation: bob 2.2s ease-in-out infinite;
}
@keyframes bob { 50% { transform: translateY(6px); } }

/* La pile de photos : trois cadres en verre posés en profondeur */
.stack { perspective: 1400px; display: grid; place-items: center; }
.stack-inner {
  position: relative; width: min(100%, 420px); aspect-ratio: 4 / 5;
  transform-style: preserve-3d;
  transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -12deg));
  transition: transform .3s ease-out;
  animation: stack-in 1.2s cubic-bezier(.2,.8,.2,1) both;
}
@keyframes stack-in {
  from { opacity: 0; transform: rotateX(25deg) rotateY(-35deg) translateY(40px); }
  to { opacity: 1; transform: rotateX(var(--rx, 6deg)) rotateY(var(--ry, -12deg)); }
}
.photo {
  position: absolute; margin: 0; width: 62%; aspect-ratio: 2 / 3; padding: 10px;
  border-radius: 22px; overflow: hidden;
  background: linear-gradient(160deg, rgba(255,255,255,.22), rgba(201,182,255,.06));
  border: 1px solid var(--glass-edge);
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 30px 60px rgba(7,2,18,.55);
}
.photo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 15%; border-radius: 14px; display: block; }
.photo-back-left  { left: 0;   top: 6%;  transform: translateZ(-90px) rotateZ(-8deg); }
.photo-back-right { right: 0;  top: 2%;  transform: translateZ(-50px) rotateZ(7deg); }
.photo-front      { left: 19%; top: 16%; transform: translateZ(70px); }

.sticker {
  position: absolute; z-index: 2; white-space: nowrap;
  font-family: var(--font-display); font-weight: 700; font-size: .98rem;
  padding: 9px 16px; border-radius: var(--radius-control);
}
.sticker-top { top: 8%; left: -4%; transform: translateZ(140px) rotate(-6deg); color: #2a1600; background: linear-gradient(180deg, #ffd978, var(--gold)); box-shadow: 0 12px 30px rgba(242,193,78,.35); }
.sticker-bottom { bottom: 4%; right: -2%; transform: translateZ(120px) rotate(4deg); color: var(--night); background: var(--mint); box-shadow: 0 12px 30px rgba(124,245,211,.3); }

/* ----- Titres de section ----- */
.section-title {
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em;
  font-size: clamp(2rem, 4.4vw, 3.2rem); line-height: 1.05; margin: 0 0 12px; text-align: center;
}
.section-lead { color: var(--muted); text-align: center; margin: 0 auto; max-width: 52ch; font-size: 1.08rem; padding: 0 16px; }

/* ----- Le fil à photos : polaroids pincés sur une ficelle ----- */
.photos { padding: clamp(72px, 10vw, 120px) 0 0; overflow: hidden; }
.line-wrap { position: relative; max-width: 1180px; margin: 36px auto 0; padding: 0 clamp(16px, 4vw, 40px); }
.string-line { position: absolute; left: 0; right: 0; top: 0; width: 100%; height: 80px; overflow: visible; }
.string-line path { fill: none; stroke: rgba(242, 193, 78, .55); stroke-width: 2; vector-effect: non-scaling-stroke; }

.polaroids {
  list-style: none; margin: 0; padding: 0;
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 3vw, 40px);
}
.polaroid {
  position: relative; margin-top: var(--drop, 0px);
  padding: 12px 12px 0; background: #f6f1ff; border-radius: 4px;
  box-shadow: 0 24px 40px rgba(7, 2, 18, .55);
  transform-origin: 50% -14px; transform: rotate(var(--tilt, 0deg));
  transition: transform .5s cubic-bezier(.3, 1.6, .5, 1);
}
.polaroid:hover { transform: rotate(calc(var(--tilt, 0deg) * -1.4)); }
.polaroid img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 5; object-fit: cover; object-position: 50% 12%; }
.polaroid p {
  margin: 0; padding: 12px 4px 16px; text-align: center; color: #2b1a40;
  font-family: var(--font-display); font-weight: 600; font-size: clamp(.85rem, 1.4vw, 1rem); line-height: 1.25;
}
/* La pince en bois */
.clip {
  position: absolute; top: -20px; left: 50%; width: 14px; height: 34px; margin-left: -7px; border-radius: 3px;
  background: linear-gradient(90deg, #b9864a, #e3b77c 45%, #a8743c); box-shadow: 0 3px 6px rgba(0,0,0,.35);
}
.clip::after { content: ""; position: absolute; left: 3px; right: 3px; top: 14px; height: 3px; background: #6d4a22; border-radius: 2px; }

/* ----- Le billet d'entrée ----- */
.ticket-section { padding: clamp(80px, 11vw, 140px) clamp(16px, 4vw, 40px) 0; }
.ticket {
  --notch: 18px;
  position: relative; max-width: 920px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto;
  border-radius: 26px;
  background:
    radial-gradient(420px 200px at 15% 0%, rgba(242,193,78,.16), transparent 70%),
    linear-gradient(150deg, rgba(255,255,255,.16), rgba(201,182,255,.05));
  border: 1px solid var(--glass-edge);
  box-shadow: 0 40px 80px rgba(7, 2, 18, .5);
  backdrop-filter: blur(18px); -webkit-backdrop-filter: blur(18px);
  /* Les deux encoches du billet, découpées au niveau de la perforation */
  -webkit-mask: radial-gradient(circle var(--notch) at calc(100% - 210px) 0, transparent 98%, #000) top / 100% 51% no-repeat,
                radial-gradient(circle var(--notch) at calc(100% - 210px) 100%, transparent 98%, #000) bottom / 100% 51% no-repeat;
          mask: radial-gradient(circle var(--notch) at calc(100% - 210px) 0, transparent 98%, #000) top / 100% 51% no-repeat,
                radial-gradient(circle var(--notch) at calc(100% - 210px) 100%, transparent 98%, #000) bottom / 100% 51% no-repeat;
}
.ticket-main { padding: clamp(28px, 5vw, 52px); }
.ticket-title { font-family: var(--font-display); font-weight: 800; letter-spacing: -0.03em; font-size: clamp(2rem, 4.5vw, 3.2rem); line-height: 1; margin: 0 0 14px; }
.ticket-text { color: #e2d7f7; margin: 0 0 28px; max-width: 46ch; }
.ticket-stub {
  width: 210px; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  padding: 28px 16px; text-align: center;
  border-left: 2px dashed rgba(201,182,255,.35);
}
.stub-label { color: var(--muted); font-size: .9rem; }
.stub-number {
  font-family: var(--font-display); font-weight: 800; font-size: 3.2rem; line-height: 1; letter-spacing: -0.02em;
  color: var(--gold); writing-mode: horizontal-tb;
}

.signature {
  position: relative; z-index: 1; text-align: center; color: var(--muted);
  font-size: .9rem; padding: 56px 16px 32px;
}
.signature a { color: var(--lilac); }

/* ----- Profondeur du hero : halo derrière la pile, grain sur toute la page ----- */
.stack { position: relative; }
.stack::before {
  content: ""; position: absolute; inset: -10% -6%; z-index: -1; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(255,126,182,.28), rgba(201,182,255,.12) 55%, transparent);
  filter: blur(20px);
}
body[data-page="invitation"]::before {
  content: ""; position: fixed; inset: 0; z-index: 0; pointer-events: none; opacity: .07;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Landing: balloons only where the page has real side margins */
@media (max-width: 1319px) { body[data-page="invitation"] .balloons { display: none; } }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; padding-top: 100px; text-align: left; }
  .stack { order: -1; }
  .stack-inner { width: min(78vw, 340px); }
  .polaroids { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 56px; }
  .string-line { display: none; }
  .polaroid { margin-top: 0; }
  .ticket { grid-template-columns: 1fr; -webkit-mask: none; mask: none; }
  .ticket-stub { width: auto; flex-direction: row; gap: 14px; border-left: 0; border-top: 2px dashed rgba(201,182,255,.35); padding: 18px; }
  .stub-number { font-size: 2rem; }
  .scroll-hint { display: none; }
}
@media (max-width: 640px) {
  .topnav { display: none; }
  .hero-actions .btn-gold, .hero-actions .btn-ghost { width: 100%; }
  .polaroids { gap: 18px; row-gap: 48px; }
  .polaroid { padding: 8px 8px 0; transform: rotate(calc(var(--tilt, 0deg) * .4)); }
  .polaroid p { font-size: .82rem; padding: 10px 2px 12px; }
  .sticker { font-size: .85rem; padding: 7px 12px; }
}

/* =========================================================
   LA PORTE 3D (transition invitation -> salle)
   ========================================================= */
.door-scene {
  position: fixed; inset: 0; z-index: 50; display: grid; place-items: center;
  background: radial-gradient(800px 500px at 50% 60%, #2b1146, var(--night-deep));
  opacity: 0; visibility: hidden; transition: opacity .45s ease;
  perspective: 1100px;
}
.door-scene.is-visible { opacity: 1; visibility: visible; }

.door-wrap {
  position: relative; width: min(78vw, 360px, 46vh); aspect-ratio: 3 / 5; margin-bottom: 8vh;
  transform-style: preserve-3d;
  transition: transform 1.5s cubic-bezier(.6,.0,.3,1) .9s;
}
.door-scene.is-open .door-wrap { transform: translateZ(820px); }

/* La fête derrière la porte : lumière chaude et confettis figés */
.door-light {
  position: absolute; inset: 0; border-radius: 6px;
  background:
    radial-gradient(circle at 30% 30%, var(--pink) 0 3px, transparent 4px) 0 0 / 46px 52px,
    radial-gradient(circle at 70% 60%, var(--mint) 0 3px, transparent 4px) 0 0 / 58px 44px,
    radial-gradient(circle at 50% 50%, #ffe9b0, var(--gold) 45%, #b8641f);
  box-shadow: 0 0 120px 30px rgba(242, 193, 78, .0);
  transition: box-shadow 1s ease .5s;
}
.door-scene.is-open .door-light { box-shadow: 0 0 160px 60px rgba(242, 193, 78, .55); }

.door-frame {
  position: absolute; inset: -16px -16px 0 -16px; border-radius: 10px 10px 0 0;
  border: 16px solid #3a1c55; border-bottom: 0;
  box-shadow: inset 0 0 0 2px rgba(242,193,78,.35), 0 30px 60px rgba(0,0,0,.5);
  pointer-events: none;
}
.door-plaque {
  position: absolute; top: -64px; left: 50%; transform: translateX(-50%);
  white-space: nowrap; font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  color: #2a1600; background: linear-gradient(180deg, #ffd978, var(--gold));
  padding: 6px 16px; border-radius: 6px; box-shadow: 0 6px 18px rgba(0,0,0,.35);
}

.leaf {
  position: absolute; top: 0; bottom: 0; width: 50%;
  background:
    linear-gradient(90deg, rgba(255,255,255,.06), transparent 30%, rgba(0,0,0,.18)),
    linear-gradient(180deg, #5a2d86, #3d1a63);
  border: 2px solid rgba(201,182,255,.25);
  transform-style: preserve-3d;
  transition: transform 1.3s cubic-bezier(.65,0,.25,1);
  backface-visibility: hidden;
}
.leaf::before, .leaf::after { /* moulures */
  content: ""; position: absolute; left: 14%; right: 14%; border: 2px solid rgba(201,182,255,.22); border-radius: 6px;
}
.leaf::before { top: 7%; height: 38%; }
.leaf::after { bottom: 7%; height: 38%; }
.leaf-left { left: 0; transform-origin: left center; border-radius: 6px 0 0 6px; }
.leaf-right { right: 0; transform-origin: right center; border-radius: 0 6px 6px 0; }
.door-scene.is-open .leaf-left { transform: rotateY(-108deg); }
.door-scene.is-open .leaf-right { transform: rotateY(108deg); }

.handle {
  position: absolute; top: 52%; width: 10px; height: 46px; border-radius: 6px;
  background: linear-gradient(90deg, #ffe39a, var(--gold-deep));
  box-shadow: 0 4px 10px rgba(0,0,0,.4);
}
.leaf-left .handle { right: 10px; }
.leaf-right .handle { left: 10px; }

.door-glow { /* la lumière qui filtre sous la porte */
  position: absolute; left: 6%; right: 6%; bottom: -10px; height: 20px; border-radius: 50%;
  background: radial-gradient(closest-side, rgba(242,193,78,.85), transparent);
  filter: blur(6px); animation: glow 1.4s ease-in-out infinite alternate;
}
@keyframes glow { from { opacity: .5; } to { opacity: 1; } }

.door-knock {
  position: absolute; bottom: 9vh; left: 0; right: 0; text-align: center;
  font-family: var(--font-display); font-size: 1.3rem; color: var(--lilac);
  opacity: 0; animation: knock-in .4s ease .25s forwards;
}
.door-scene:not(.is-visible) .door-knock { animation: none; }
.door-scene.is-open .door-knock { animation: none; opacity: 0; transition: opacity .3s; }
@keyframes knock-in { to { opacity: 1; } }

/* Fondu blanc-or final */
.door-flash {
  position: fixed; inset: 0; pointer-events: none; background: #ffe9b0; opacity: 0;
  transition: opacity .5s ease 1.9s;
}
.door-scene.is-open .door-flash { opacity: 1; }

/* =========================================================
   LA SALLE (salle.html)
   ========================================================= */
.room-page { min-height: 100svh; position: relative; overflow: hidden; }
.room-page .topbar { background: linear-gradient(180deg, rgba(15,6,32,.75), transparent); }
.room-count { color: var(--muted); font-size: .92rem; }
.room-count strong { color: var(--text); }
.topbar-right { display: flex; align-items: center; gap: 14px; }

.room {
  position: absolute; inset: 0; perspective: 900px; perspective-origin: 50% 35%;
  animation: room-in 1.2s ease both;
}
@keyframes room-in { from { opacity: 0; filter: brightness(2.2); } to { opacity: 1; filter: none; } }

.back-wall {
  position: absolute; left: 0; right: 0; top: 0; height: 58%;
  background:
    radial-gradient(600px 260px at 50% 100%, rgba(255,126,182,.18), transparent 70%),
    linear-gradient(180deg, #24103d, #331653);
}
.room-title {
  position: absolute; top: 24%; left: 0; right: 0; text-align: center; padding: 0 16px;
  font-family: var(--font-display); font-weight: 800; letter-spacing: -0.02em;
  font-size: clamp(1.7rem, 5.5vw, 3.4rem); line-height: 1.05; margin: 0;
  color: transparent; -webkit-text-stroke: 1.5px rgba(242,193,78,.85);
  text-shadow: 0 0 30px rgba(242,193,78,.35);
}

/* Guirlande lumineuse */
.garland { position: absolute; top: 64px; left: 4%; right: 4%; height: 60px; }
.garland::before {
  content: ""; position: absolute; inset: 0; border-bottom: 2px solid rgba(201,182,255,.35);
  border-radius: 0 0 50% 50% / 0 0 100% 100%;
}
.bulb {
  position: absolute; width: 12px; height: 16px; border-radius: 50% 50% 45% 45%;
  background: var(--c); box-shadow: 0 0 14px 3px var(--c);
  transform: translate(-50%, -2px);
  animation: twinkle 2.4s ease-in-out infinite alternate; animation-delay: var(--delay, 0s);
}
@keyframes twinkle { from { opacity: .55; } to { opacity: 1; } }

/* Boule à facettes : seule la sphère tourne, la ficelle reste verticale */
.disco {
  position: absolute; top: 62px; left: 50%; width: 92px; height: 92px; margin-left: -46px; border-radius: 50%;
  box-shadow: 0 0 40px rgba(201,182,255,.45);
  z-index: 2;
}
.disco::before { content: ""; position: absolute; left: 50%; bottom: 100%; width: 2px; height: 70px; margin-left: -1px; background: rgba(201,182,255,.45); }
.disco::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,.9) 0 6%, transparent 22%),
    repeating-conic-gradient(from 0deg, #d9d2ee 0 8deg, #8a7fb0 8deg 16deg, #f4f0ff 16deg 24deg),
    #bfb5dc;
  box-shadow: inset -10px -14px 24px rgba(0,0,0,.45);
  animation: disco-spin 8s linear infinite;
}
@keyframes disco-spin { to { transform: rotate(360deg); } }
.party-on .disco { box-shadow: 0 0 80px 20px rgba(255,255,255,.45); }
.party-on .disco::after { animation-duration: 2.5s; }

/* Faisceaux lumineux (mode fête) */
.beams { position: absolute; inset: 0; pointer-events: none; opacity: 0; transition: opacity .6s; z-index: 1; }
.party-on .beams { opacity: 1; }
.beam {
  position: absolute; top: 108px; left: 50%; width: 140px; height: 120vh; margin-left: -70px;
  transform-origin: 50% 0; background: linear-gradient(180deg, var(--c), transparent 70%);
  opacity: .22; filter: blur(6px); mix-blend-mode: screen;
  animation: sweep 3.2s ease-in-out infinite alternate; animation-delay: var(--delay, 0s);
}
@keyframes sweep { from { transform: rotate(var(--from)); } to { transform: rotate(var(--to)); } }

/* Piste de danse en perspective */
.floor {
  position: absolute; left: 50%; bottom: -4%; width: 150vmax; height: 90vmin; margin-left: -75vmax;
  transform: rotateX(68deg); transform-origin: 50% 100%;
  display: grid; grid-template-columns: repeat(12, 1fr); grid-template-rows: repeat(8, 1fr);
  background: #12061f;
}
.tile {
  border: 1px solid rgba(201,182,255,.10);
  background: rgba(201,182,255,.04);
  transition: background .25s;
}
.party-on .tile { animation: tile 1.2s steps(1) infinite; animation-delay: var(--delay, 0s); }
@keyframes tile {
  0%   { background: rgba(255,126,182,.55); }
  33%  { background: rgba(124,245,211,.45); }
  66%  { background: rgba(242,193,78,.5); }
  100% { background: rgba(201,182,255,.05); }
}

/* Le gâteau */
.cake-zone {
  position: absolute; left: 50%; bottom: 26vh; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; z-index: 3;
}
.cake {
  position: relative; width: 210px; cursor: pointer; border: 0; background: none; padding: 0;
  filter: drop-shadow(0 30px 30px rgba(0,0,0,.55));
}
.candles { display: flex; justify-content: center; gap: 18px; height: 70px; align-items: flex-end; margin-bottom: -4px; }
.candle {
  position: relative; width: 10px; height: 44px; border-radius: 3px;
  background: repeating-linear-gradient(135deg, #fff 0 6px, var(--pink) 6px 12px);
}
.flame {
  position: absolute; left: 50%; bottom: 100%; width: 12px; height: 22px; margin-left: -6px;
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  background: radial-gradient(circle at 50% 70%, #fff 0 20%, #ffd978 35%, #ff8a3d 70%, transparent 72%);
  box-shadow: 0 0 22px 6px rgba(255,190,90,.55);
  transform-origin: 50% 100%;
  animation: flicker .18s ease-in-out infinite alternate;
  transition: opacity .3s, transform .3s;
}
@keyframes flicker { from { transform: scale(1) rotate(-2deg); } to { transform: scale(1.08, .94) rotate(3deg); } }
.blown .flame { opacity: 0; transform: scale(.2) translateY(-10px); animation: none; }
.smoke {
  position: absolute; left: 50%; bottom: calc(100% + 6px); width: 8px; height: 8px; margin-left: -4px; border-radius: 50%;
  background: rgba(220,210,240,.6); opacity: 0; pointer-events: none;
}
.blown .smoke { animation: smoke 1.6s ease-out forwards; }
@keyframes smoke { 0% { opacity: .8; transform: translateY(0) scale(1); } 100% { opacity: 0; transform: translateY(-50px) scale(3); } }

.tier, .plate { display: block; }
.tier {
  position: relative; margin: 0 auto; border-radius: 12px 12px 16px 16px;
  background: linear-gradient(90deg, #6b2d4f, #c2577f 30%, #e98aac 55%, #b34a73 85%, #6b2d4f);
}
.tier::before { /* glaçage qui coule */
  content: ""; position: absolute; left: 0; right: 0; top: 0; height: 22px; border-radius: 12px 12px 0 0;
  background:
    radial-gradient(circle at 10px 18px, #fff4fa 9px, transparent 10px) 0 0 / 26px 26px repeat-x,
    linear-gradient(#fff4fa, #fff4fa) 0 0 / 100% 12px no-repeat;
}
.tier-top { width: 150px; height: 64px; }
.tier-bottom { width: 210px; height: 78px; margin-top: -2px; }
.tier-bottom::after { /* perles */
  content: ""; position: absolute; left: 8px; right: 8px; bottom: 12px; height: 8px;
  background: radial-gradient(circle, var(--gold) 0 3px, transparent 4px) 0 0 / 16px 8px repeat-x;
}
.plate { width: 250px; height: 16px; margin: -4px auto 0; border-radius: 50%; background: radial-gradient(ellipse at 50% 30%, #f5efff, #9c8fc4); }
.cake-caption { margin-top: 14px; color: var(--muted); font-size: .92rem; text-align: center; min-height: 1.4em; }

/* Barre d'actions en verre */
.actions {
  position: fixed; left: 50%; bottom: max(16px, env(safe-area-inset-bottom)); transform: translateX(-50%);
  z-index: 10; display: flex; gap: 8px; padding: 8px; flex-wrap: wrap; justify-content: center;
  width: max-content; max-width: calc(100vw - 24px);
  border-radius: 24px; background: rgba(26, 11, 46, .55); border: 1px solid var(--glass-edge);
  backdrop-filter: blur(18px) saturate(150%); -webkit-backdrop-filter: blur(18px) saturate(150%);
  box-shadow: 0 20px 50px rgba(0,0,0,.45);
}
.action {
  font: 600 .98rem/1 var(--font-body); color: var(--text); cursor: pointer;
  padding: 14px 18px; border-radius: 16px; border: 1px solid transparent; background: rgba(201,182,255,.08);
  display: inline-flex; align-items: center; gap: 8px; transition: background .2s, border-color .2s;
}
.action:hover { background: rgba(201,182,255,.16); border-color: var(--glass-edge); }
.action[aria-pressed="true"] { background: rgba(124,245,211,.18); border-color: var(--mint); }
.action-gift { color: #2a1600; background: linear-gradient(180deg, #ffd978, var(--gold)); }
.action-gift:hover { background: linear-gradient(180deg, #ffe39a, var(--gold)); border-color: transparent; }
.action .icon { width: 20px; height: 20px; color: var(--gold); }
.action-gift .icon { color: #2a1600; }
.gift-option strong { display: flex; align-items: center; gap: 8px; }
.gift-option strong .icon { color: var(--gold); }
.modal-close { display: grid; place-items: center; }
.modal-close .icon { width: 18px; height: 18px; }

/* Bulle de message */
.toast {
  position: fixed; left: 50%; top: 86px; z-index: 30; transform: translate(-50%, -20px);
  max-width: min(92vw, 460px); text-align: center;
  padding: 12px 20px; border-radius: 16px; color: var(--text);
  background: rgba(26, 11, 46, .8); border: 1px solid var(--glass-edge);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
  opacity: 0; pointer-events: none; transition: opacity .3s, transform .3s;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* Fenêtre « cadeau » */
.modal {
  position: fixed; inset: 0; z-index: 60; display: grid; place-items: center; padding: 16px;
  background: rgba(10, 4, 22, .6); backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.modal[hidden] { display: none; }
.modal-card {
  width: min(100%, 440px); padding: 30px 26px 24px; border-radius: var(--radius-card); position: relative;
  background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(201,182,255,.06));
  border: 1px solid var(--glass-edge); box-shadow: 0 40px 80px rgba(0,0,0,.55);
  backdrop-filter: blur(22px); -webkit-backdrop-filter: blur(22px);
  animation: card-in .5s cubic-bezier(.2,.8,.2,1) both;
}
.modal-card h2 { font-family: var(--font-display); font-weight: 800; font-size: 1.7rem; letter-spacing: -0.02em; margin: 0 0 8px; }
.modal-card p { color: #e2d7f7; margin: 0 0 20px; }
.gift-options { display: grid; gap: 10px; }
.gift-option {
  display: block; text-decoration: none; padding: 14px 16px; border-radius: 16px;
  background: rgba(15, 6, 32, .4); border: 1px solid rgba(201,182,255,.18);
  transition: border-color .2s, background .2s;
}
.gift-option:hover { border-color: var(--gold); background: rgba(242,193,78,.08); }
.gift-option strong { display: block; font-size: 1.02rem; }
.gift-option span { color: var(--muted); font-size: .9rem; }
.modal-close {
  position: absolute; top: 12px; right: 12px; width: 40px; height: 40px; border-radius: 50%;
  border: 1px solid var(--glass-edge); background: rgba(15,6,32,.4); color: var(--text); font-size: 1.2rem; cursor: pointer;
}

/* Confettis */
#confetti { position: fixed; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 40; }

/* ---------- Mobile ---------- */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .mainsite { padding: 7px 12px; font-size: .85rem; }
  .room-count { display: none; }
  .cake-zone { bottom: 30vh; transform: translateX(-50%) scale(.82); transform-origin: 50% 100%; }
  .actions { display: grid; grid-template-columns: 1fr 1fr; width: calc(100vw - 24px); }
  .action { justify-content: center; padding: 13px 10px; font-size: .92rem; }
  .garland { top: 56px; }
  .disco { width: 64px; height: 64px; margin-left: -32px; top: 70px; }
  .room-title { top: 21%; font-size: 1.9rem; text-wrap: balance; }
}

/* ---------- Moins d'animations si demandé ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .balloon { animation: none; }
}

/* ---------- Salle : portraits aux murs et projecteur sur le gâteau ---------- */
.wall-frame {
  position: absolute; top: 36%; width: clamp(96px, 9vw, 140px); margin: 0; padding: 8px;
  background: linear-gradient(145deg, #ffe39a, var(--gold-deep) 60%, #8a5a1c);
  border-radius: 6px; box-shadow: 0 18px 30px rgba(0,0,0,.5);
}
.wall-frame::before { /* le fil d'accroche */
  content: ""; position: absolute; left: 20%; right: 20%; top: -26px; height: 26px;
  border: 2px solid rgba(201,182,255,.4); border-bottom: 0; border-radius: 50% 50% 0 0;
}
.wall-frame img { display: block; width: 100%; height: auto; aspect-ratio: 3 / 4; object-fit: cover; object-position: 50% 12%; border-radius: 2px; }
.wall-frame-left { left: 9%; transform: rotate(-3deg); }
.wall-frame-right { right: 9%; transform: rotate(2.5deg); }
.party-on .wall-frame { box-shadow: 0 0 30px rgba(255,126,182,.45), 0 18px 30px rgba(0,0,0,.5); }

.spotlight {
  position: absolute; left: 50%; top: 0; width: 520px; height: 100%; margin-left: -260px; pointer-events: none;
  clip-path: polygon(44% 0, 56% 0, 100% 100%, 0 100%);
  background: linear-gradient(180deg, rgba(255, 233, 176, .22), rgba(255, 233, 176, .05) 75%, transparent);
  filter: blur(4px);
  transition: opacity .6s;
}
.party-on .spotlight { opacity: .25; }

@media (max-width: 1099px) {
  .wall-frame { display: none; }
  .spotlight { width: 340px; margin-left: -170px; }
}