/* ============================================================
   Mass Diwali Gift — Liquid Glass · Festive
   ============================================================ */
/* Tamil letters only; English stays in Poppins / Baloo */
@font-face {
  font-family: 'Anek Tamil';
  src: url('assets/anek-tamil.woff2') format('woff2');
  font-weight: 400 800;
  font-display: swap;
  unicode-range: U+0B80-0BFF;
}
:root {
  --bg-0: #1a0104;
  --bg-1: #4a0609;
  --bg-2: #9b0f0c;
  --red: #e2231a;
  --red-deep: #5c0605;
  --gold: #ffcf4a;
  --gold-2: #f6a609;
  --gold-3: #b36f00;
  --text: #fff;
  --muted: rgba(255, 240, 225, .72);
  --glass: linear-gradient(145deg, rgba(255,255,255,.17), rgba(255,255,255,.05) 55%, rgba(255,255,255,.09));
  --glass-in: rgba(255, 255, 255, .08);
  --edge: rgba(255, 255, 255, .26);
  --ok: #3ddc84;
  --radius: 24px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }

body {
  margin: 0;
  min-height: 100vh;
  font-family: 'Anek Tamil', 'Poppins', system-ui, sans-serif;
  color: var(--text);
  overflow-x: hidden;
  background:
    radial-gradient(90% 50% at 50% -5%, rgba(255,120,40,.55), transparent 70%),
    radial-gradient(70% 45% at 100% 40%, rgba(214,30,20,.45), transparent 70%),
    radial-gradient(70% 45% at 0% 75%, rgba(255,150,30,.22), transparent 70%),
    linear-gradient(180deg, var(--bg-2) 0%, var(--bg-1) 45%, var(--bg-0) 100%) fixed;
  background-color: var(--bg-0);
}

/* ---------- ambient layers ---------- */
#bgfx { position: fixed; inset: 0; width: 100%; height: 100%; z-index: 0; pointer-events: none; opacity: .85; }
.bokeh { position: fixed; inset: 0; z-index: 0; pointer-events: none; overflow: hidden; }
.bokeh i { position: absolute; border-radius: 50%; filter: blur(2px); opacity: .0; animation: drift var(--d) ease-in-out var(--delay) infinite; background: radial-gradient(circle, var(--c) 0%, transparent 70%); }
@keyframes drift {
  0% { transform: translateY(30px) scale(.8); opacity: 0; }
  20%, 80% { opacity: var(--o); }
  100% { transform: translateY(-120px) scale(1.1); opacity: 0; }
}
.ticker, .hero, main, footer { position: relative; z-index: 1; }

/* ---------- glass primitive ---------- */
.glass, .card {
  background: var(--glass);
  -webkit-backdrop-filter: blur(22px) saturate(170%);
  backdrop-filter: blur(22px) saturate(170%);
  border: 1px solid var(--edge);
  box-shadow:
    inset 0 1px 0 rgba(255,255,255,.45),
    inset 0 -1px 0 rgba(255,255,255,.06),
    inset 0 0 30px rgba(255,200,120,.06),
    0 18px 50px rgba(20,0,0,.45);
}

/* ---------- ticker ---------- */
.ticker { overflow: hidden; white-space: nowrap; font-weight: 600; font-size: 12.5px; letter-spacing: .3px; color: #ffe9b0;
  background: linear-gradient(90deg, rgba(255,200,80,.08), rgba(255,200,80,.22), rgba(255,200,80,.08));
  border-bottom: 1px solid rgba(255,210,120,.3); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); }
.ticker-track { display: inline-flex; gap: 40px; padding: 8px 0; animation: tick 24s linear infinite; }
@keyframes tick { to { transform: translateX(-50%); } }

/* ---------- hero ---------- */
.hero { text-align: center; padding: 18px 16px 4px; }
.hero .logos { display: flex; align-items: center; justify-content: center; gap: 4%; max-width: 420px; margin: 0 auto; }
.hero .brand { width: 38%; filter: drop-shadow(0 8px 18px rgba(0,0,0,.45)); }
.hero .diwali { width: 52%; filter: drop-shadow(0 12px 28px rgba(0,0,0,.45)) drop-shadow(0 0 30px rgba(255,170,40,.25)); animation: float 4s ease-in-out infinite; }
@keyframes float { 50% { transform: translateY(-6px); } }
.hero h1 { font-family: 'Anek Tamil', 'Baloo Thambi 2', 'Poppins', sans-serif; font-size: 29px; line-height: 1.1; margin: 8px 0 4px; }
.hero h1 .gold {
  background: linear-gradient(180deg, #fff6d6 0%, var(--gold) 45%, var(--gold-2) 100%); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 3px 0 rgba(90,6,5,.9)) drop-shadow(0 8px 18px rgba(0,0,0,.35)); }
.hero .sub { margin: 0; font-size: 14px; color: var(--muted); }
.store-chip { display: inline-flex; align-items: center; gap: 6px; margin: 12px 0 0; padding: 6px 16px; border-radius: 999px; font-size: 13px; font-weight: 600; }

main { max-width: 460px; margin: 0 auto; padding: 12px 16px 24px; }

/* ---------- progress ---------- */
.progress { list-style: none; margin: 10px 0 16px; padding: 10px 6px; display: grid; grid-template-columns: repeat(4, 1fr); position: relative; border-radius: 20px; }
.progress::before { content: ''; position: absolute; top: 28px; left: 14%; right: 14%; height: 2px; background: linear-gradient(90deg, rgba(255,255,255,.1), rgba(255,255,255,.3), rgba(255,255,255,.1)); }
.progress li { text-align: center; color: var(--muted); font-size: 11px; font-weight: 600; position: relative; }
.progress b { display: grid; place-items: center; width: 36px; height: 36px; margin: 0 auto 4px; border-radius: 50%; font-size: 15px;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.3); box-shadow: inset 0 1px 0 rgba(255,255,255,.35); transition: .35s; }
.progress li.active { color: #fff; }
.progress li.active b { color: var(--red-deep); border-color: #fff8dc; transform: scale(1.1);
  background: radial-gradient(circle at 35% 30%, #fff6cf, var(--gold) 45%, var(--gold-2)); box-shadow: 0 0 0 5px rgba(255,207,74,.18), 0 0 22px rgba(255,190,60,.6); }
.progress li.done { color: #fff; }
.progress li.done b { background: radial-gradient(circle at 35% 30%, #a6ffcb, #22b86a); border-color: rgba(255,255,255,.7); font-size: 0; }
.progress li.done b::after { content: '✓'; font-size: 17px; color: #fff; }

/* ---------- card ---------- */
.card { border-radius: var(--radius); padding: 20px 18px; margin-bottom: 16px; position: relative; overflow: hidden; animation: pop .5s cubic-bezier(.2,1.3,.4,1); }
.card::before { content: ''; position: absolute; inset: 0 0 auto 0; height: 60%; pointer-events: none; border-radius: inherit;
  background: linear-gradient(180deg, rgba(255,255,255,.14), transparent); }
.card > * { position: relative; }
@keyframes pop { from { opacity: 0; transform: translateY(16px) scale(.97); } }
.card h2 { margin: 0 0 14px; font-size: 19px; display: flex; align-items: center; gap: 10px; color: #fff; }
.card h2 .num { display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; flex: none; font-size: 14px; color: var(--red-deep);
  background: radial-gradient(circle at 35% 30%, #fff6cf, var(--gold) 50%, var(--gold-2)); box-shadow: 0 0 14px rgba(255,190,60,.5); }
.lead { margin: -4px 0 12px; font-size: 14.5px; color: var(--muted); }
.lead b { color: #fff; }
.hint { font-size: 13px; color: var(--muted); margin: 10px 0 0; text-align: center; }
.hint b { color: var(--gold); }

/* ---------- form ---------- */
label { display: block; font-size: 12.5px; font-weight: 600; color: var(--muted); margin-bottom: 12px; letter-spacing: .2px; }
label em { font-weight: 400; font-style: normal; opacity: .75; }
input { width: 100%; margin-top: 6px; padding: 13px 14px; font: 600 16px 'Anek Tamil', 'Poppins', sans-serif; color: #fff; outline: none;
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.22); border-radius: 14px;
  box-shadow: inset 0 2px 6px rgba(0,0,0,.18); transition: border-color .2s, box-shadow .2s, background .2s; }
input::placeholder { color: rgba(255,235,220,.42); font-weight: 500; }
input:focus { border-color: var(--gold); background: rgba(255,255,255,.12); box-shadow: inset 0 2px 6px rgba(0,0,0,.18), 0 0 0 4px rgba(255,207,74,.18); }
input.bad { border-color: #ff6b5e; box-shadow: 0 0 0 4px rgba(255,80,60,.2); }
input:-webkit-autofill { -webkit-text-fill-color: #fff; -webkit-box-shadow: 0 0 0 40px #5a0c0a inset; caret-color: #fff; }
.phone { display: flex; align-items: stretch; margin-top: 6px; }
.phone span { display: grid; place-items: center; padding: 0 12px; font-weight: 700; color: var(--gold);
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.22); border-right: 0; border-radius: 14px 0 0 14px; }
.phone input { margin: 0; border-radius: 0 14px 14px 0; }
.loc { display: flex; align-items: center; gap: 6px; padding: 11px 14px; margin-bottom: 14px; font-size: 14px; border-radius: 14px;
  background: rgba(255,207,74,.08); border: 1px dashed rgba(255,207,74,.5); }
.loc b { color: var(--gold); }
.loc small { margin-left: auto; color: var(--ok); font-weight: 700; }
.err { color: #ffb1a8; font-size: 13px; font-weight: 600; min-height: 1em; margin: 0 0 8px; }

/* ---------- buttons ---------- */
.btn { position: relative; overflow: hidden; display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; padding: 15px 18px;
  font: 700 16px 'Anek Tamil', 'Poppins', sans-serif; border: 0; border-radius: 16px; cursor: pointer; text-decoration: none; color: #fff;
  transition: transform .12s, filter .2s; -webkit-tap-highlight-color: transparent; }
.btn:active { transform: scale(.97); }
.btn:disabled { filter: grayscale(.5) opacity(.6); }
.btn::after { /* liquid highlight */
  content: ''; position: absolute; left: 6%; right: 6%; top: 2px; height: 45%; border-radius: 14px 14px 40% 40%;
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,0)); pointer-events: none; }
.btn.primary, .btn.gift {
  color: #4a0603;
  background: linear-gradient(180deg, #fff1b8 0%, var(--gold) 35%, var(--gold-2) 75%, #d98400 100%);
  box-shadow: 0 0 0 1px rgba(255,236,170,.7) inset, 0 6px 0 var(--gold-3), 0 12px 28px rgba(255,160,20,.35); }
.btn.gift { font-size: 17px; animation: pulse 1.8s ease-in-out infinite; }
.btn.gift::before { content: ''; position: absolute; top: 0; bottom: 0; width: 40%; left: -60%; transform: skewX(-20deg);
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.7), transparent); animation: sweep 2.6s ease-in-out infinite; }
@keyframes sweep { 0%, 40% { left: -60%; } 100% { left: 130%; } }
@keyframes pulse { 50% { transform: scale(1.025); } }
.btn.insta { background: linear-gradient(45deg, #feda75, #fa7e1e 25%, #d62976 50%, #962fbf 75%, #4f5bd5);
  box-shadow: 0 0 0 1px rgba(255,255,255,.35) inset, 0 10px 26px rgba(214,41,118,.4); }
.btn.google { margin-top: 12px; color: #fff; background: rgba(255,255,255,.14); border: 1px solid rgba(255,255,255,.35);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); box-shadow: 0 10px 24px rgba(0,0,0,.25); }
.btn.google .g { display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: #fff; font: 800 16px 'Anek Tamil', 'Poppins'; }
.btn.google .g span { background: conic-gradient(from -45deg, #ea4335 0 25%, #4285f4 0 50%, #34a853 0 75%, #fbbc05 0); -webkit-background-clip: text; background-clip: text; color: transparent; }
.btn.ghost { margin-top: 12px; color: var(--ok); background: rgba(61,220,132,.1); border: 1px solid rgba(61,220,132,.6); }
.btn.link { background: none; color: var(--gold); font-size: 14px; padding: 10px; margin-top: 6px; text-decoration: underline; text-underline-offset: 3px; }
.btn.link::after, .btn.ghost::after { display: none; }

/* ---------- instagram ---------- */
.insta-card { display: flex; align-items: center; gap: 12px; padding: 12px; border-radius: 16px; margin-bottom: 14px; background: var(--glass-in); border: 1px solid rgba(255,255,255,.14); }
.insta-avatar { width: 58px; height: 58px; border-radius: 50%; padding: 3px; flex: none; background: linear-gradient(45deg, #feda75, #fa7e1e, #d62976, #962fbf); }
.insta-avatar img { width: 100%; height: 100%; object-fit: contain; background: #2a0305; border-radius: 50%; padding: 6px; }
.insta-card b { display: block; font-size: 14px; overflow-wrap: anywhere; }
.insta-card small { color: var(--muted); font-size: 12.5px; }

/* ---------- categories & reviews ---------- */
.cats { display: grid; gap: 8px; }
.cat { display: flex; align-items: center; gap: 12px; width: 100%; min-width: 0; padding: 11px 14px; border-radius: 16px; text-align: left; cursor: pointer;
  font: 600 15px 'Anek Tamil', 'Poppins'; color: #fff; background: var(--glass-in); border: 1px solid rgba(255,255,255,.18); box-shadow: inset 0 1px 0 rgba(255,255,255,.2); transition: .2s; }
.cat i { font-style: normal; font-size: 28px; line-height: 1; flex: none; filter: drop-shadow(0 3px 6px rgba(0,0,0,.3)); }
.cat span { min-width: 0; }
.cat small { display: block; font: 600 13px 'Anek Tamil', 'Baloo Thambi 2', sans-serif; color: var(--muted); line-height: 1.2; overflow-wrap: anywhere; }
.cat::after { content: '›'; margin-left: auto; font-size: 24px; color: rgba(255,255,255,.45); line-height: 1; }
.cat.on { background: rgba(255,207,74,.14); border-color: var(--gold); box-shadow: 0 0 0 3px rgba(255,207,74,.15), inset 0 1px 0 rgba(255,255,255,.3); }
.cat.on::after { content: '✓'; color: var(--gold); font-size: 18px; }
#reviewBox { margin-top: 14px; }
#reviewBox .hint { text-align: left; margin: 0 0 10px; }
.review { padding: 12px 12px 10px; margin-bottom: 10px; border-radius: 16px; background: var(--glass-in); border: 1px solid rgba(255,255,255,.16); animation: pop .4s ease both; }
.review .stars { color: var(--gold); font-size: 14px; letter-spacing: 2px; text-shadow: 0 0 8px rgba(255,200,60,.6); }
.review p { margin: 4px 0 10px; font-size: 14px; line-height: 1.55; outline: none; border-radius: 8px; color: #fff4ea; }
.review p:focus { background: rgba(255,255,255,.08); box-shadow: 0 0 0 1px var(--gold); padding: 4px; }
.review .row { display: flex; align-items: center; gap: 8px; }
.review .edit { font-size: 12px; color: var(--muted); }
.copy { margin-left: auto; flex: none; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 0; border-radius: 999px; cursor: pointer;
  font: 700 13px 'Anek Tamil', 'Poppins'; color: #4a0603; background: linear-gradient(180deg, #fff1b8, var(--gold) 45%, var(--gold-2)); box-shadow: 0 4px 12px rgba(255,170,30,.35); }
.review.copied { border-color: var(--ok); background: rgba(61,220,132,.1); }
.review.copied .copy { color: #04361b; background: linear-gradient(180deg, #c8ffde, var(--ok)); }
.howto { margin-top: 14px; padding: 12px 14px; font-size: 13.5px; border-radius: 14px; background: rgba(120,170,255,.12); border: 1px solid rgba(160,200,255,.35); }
.howto ol { margin: 6px 0 0; padding-left: 20px; color: var(--muted); }
.howto li b { color: #fff; }
.divider { display: flex; align-items: center; gap: 10px; margin: 18px 0 14px; color: var(--muted); font-size: 12px; }
.divider::before, .divider::after { content: ''; flex: 1; height: 1px; background: linear-gradient(90deg, transparent, rgba(255,255,255,.3), transparent); }

/* ---------- result ---------- */
.result { text-align: center; }
.choco-mini { width: 230px; margin: -4px auto 6px; animation: float 3s ease-in-out infinite; filter: drop-shadow(0 12px 22px rgba(0,0,0,.45)) drop-shadow(0 0 26px rgba(255,190,60,.45)); }
.card h2.congrats { display: block; text-align: center; font-size: 22px; line-height: 1.3; }
.claim { margin-top: 12px; padding: 16px; border-radius: 18px; background: rgba(0,0,0,.18); border: 1.5px dashed rgba(255,207,74,.7); }
.claim > small { letter-spacing: 3px; font-weight: 700; color: var(--muted); font-size: 11px; }
.claim .code { font: 800 36px 'Anek Tamil', 'Poppins'; letter-spacing: 4px; margin: 2px 0 10px;
  background: linear-gradient(180deg, #fff6d6, var(--gold) 50%, var(--gold-2)); -webkit-background-clip: text; background-clip: text; color: transparent;
  filter: drop-shadow(0 0 12px rgba(255,190,60,.45)); }
.claim dl { display: grid; grid-template-columns: auto 1fr; gap: 7px 14px; margin: 0; text-align: left; font-size: 14px; }
.claim dt { color: var(--muted); }
.claim dd { margin: 0; font-weight: 600; text-align: right; }
#cClock { font-variant-numeric: tabular-nums; color: var(--ok); }
.claim .show { margin: 14px 0 0; padding: 10px; border-radius: 12px; font-size: 14px; background: rgba(255,207,74,.12); }
.claim .show b { color: var(--gold); }

/* ---------- lucky draw ---------- */
.lucky { background: linear-gradient(145deg, rgba(255,207,74,.2), rgba(255,255,255,.05) 55%, rgba(255,170,40,.12)); border-color: rgba(255,214,120,.45); }
.lucky-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.lucky-head .coin { font-size: 40px; filter: drop-shadow(0 0 14px rgba(255,190,60,.7)); animation: spin 3s ease-in-out infinite; }
@keyframes spin { 50% { transform: rotateY(180deg); } }
.lucky-head small { font-family: 'Anek Tamil', 'Baloo Thambi 2'; color: var(--gold); font-weight: 700; font-size: 14px; }
.lucky-head h3 { margin: 0; font-size: 20px; }
.prizes { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.prizes li { display: flex; align-items: center; gap: 8px; padding: 9px 12px; border-radius: 14px; font-size: 14px; color: var(--muted);
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.12); }
.prizes li b { display: grid; place-items: center; min-width: 34px; height: 30px; padding: 0 6px; border-radius: 9px; font-size: 15px; color: #fff;
  background: linear-gradient(180deg, #ff5a4a, var(--red)); box-shadow: inset 0 1px 0 rgba(255,255,255,.4); }
.prizes li span { margin-left: auto; font-weight: 700; color: #fff; }
.prizes li.gold { background: linear-gradient(90deg, rgba(255,207,74,.28), rgba(255,207,74,.1)); border-color: rgba(255,207,74,.6); }
.prizes li.gold b { color: #4a0603; background: linear-gradient(180deg, #fff1b8, var(--gold) 50%, var(--gold-2)); }
.prizes li.gold span { color: var(--gold); }
.lucky .note { margin: 12px 0 0; font-size: 12.5px; color: var(--muted); text-align: center; }

footer { text-align: center; padding: 8px 16px 40px; font-size: 13px; color: var(--muted); }
footer img { width: 120px; margin: 0 auto 8px; filter: drop-shadow(0 6px 14px rgba(0,0,0,.45)); }
footer p { margin: 4px 0 12px; }
footer .call { display: inline-block; padding: 9px 20px; border-radius: 999px; font-weight: 700; text-decoration: none; color: #4a0603;
  background: linear-gradient(180deg, #fff1b8, var(--gold) 45%, var(--gold-2)); box-shadow: 0 6px 18px rgba(255,170,30,.3); }
footer small { display: block; margin-top: 14px; opacity: .6; font-size: 11px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140px); z-index: 100; padding: 11px 20px; border-radius: 999px; font-size: 14px; font-weight: 600; white-space: nowrap;
  color: #fff; background: rgba(30,4,4,.7); border: 1px solid rgba(255,255,255,.2); -webkit-backdrop-filter: blur(16px); backdrop-filter: blur(16px); transition: transform .35s cubic-bezier(.2,1.3,.4,1); }
.toast.show { transform: translate(-50%, 0); }

/* ============================================================
   GIFT OVERLAY — 3D box + fireworks
   ============================================================ */
.overlay { position: fixed; inset: 0; z-index: 50; overflow: hidden; display: grid; place-items: center;
  background: radial-gradient(80% 60% at 50% 65%, #4a0708 0%, #1c0206 55%, #07010a 100%); }
#fx { position: absolute; inset: 0; width: 100%; height: 100%; }
.flash { position: absolute; inset: 0; background: radial-gradient(circle at 50% 58%, #fff8dc, rgba(255,210,120,.6) 40%, transparent 75%); opacity: 0; pointer-events: none; }
.flash.go { animation: flash .7s ease-out; }
@keyframes flash { 0% { opacity: 1; } 100% { opacity: 0; } }
.tap { position: absolute; top: 16%; width: 100%; margin: 0; text-align: center; font: 800 24px 'Anek Tamil', 'Poppins'; color: var(--gold); text-shadow: 0 0 22px rgba(255,190,60,.7); animation: pulse 1.2s infinite; }
.sound { position: absolute; top: max(14px, env(safe-area-inset-top)); right: 14px; z-index: 6; width: 42px; height: 42px; border-radius: 50%; font-size: 18px; cursor: pointer; color: #fff;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.3); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); }

.giftbox { position: absolute; left: 50%; top: 60%; width: 1px; height: 1px; perspective: 900px; cursor: pointer; -webkit-tap-highlight-color: transparent; }
.giftbox .drop { position: absolute; perspective: 900px; animation: drop .9s cubic-bezier(.3,1.5,.5,1) both; }
@keyframes drop { from { transform: translateY(-120vh); } }
.scene { position: absolute; transform-style: preserve-3d; transform: rotateX(-22deg) rotateY(-34deg); animation: idle 4s ease-in-out infinite; }
@keyframes idle { 50% { transform: rotateX(-20deg) rotateY(-18deg) translateY(-8px); } }
.giftbox.shake .scene { animation: shake3d .1s linear infinite; }
@keyframes shake3d { 0%,100% { transform: rotateX(-22deg) rotateY(-34deg); } 25% { transform: rotateX(-22deg) rotateY(-40deg) rotateZ(-4deg); } 75% { transform: rotateX(-22deg) rotateY(-28deg) rotateZ(4deg); } }

.cube { position: absolute; transform-style: preserve-3d; }
.cube .f { position: absolute; left: calc(var(--w) / -2); top: calc(var(--h) / -2); width: var(--w); height: var(--h); transition: transform 1s cubic-bezier(.2,.8,.3,1), opacity .8s .25s; }
.cube .front  { transform: translateZ(calc(var(--d) / 2)); }
.cube .back   { transform: rotateY(180deg) translateZ(calc(var(--d) / 2)); }
.cube .right  { width: var(--d); left: calc(var(--d) / -2); transform: rotateY(90deg) translateZ(calc(var(--w) / 2)); }
.cube .left   { width: var(--d); left: calc(var(--d) / -2); transform: rotateY(-90deg) translateZ(calc(var(--w) / 2)); }
.cube .top    { height: var(--d); top: calc(var(--d) / -2); transform: rotateX(90deg) translateZ(calc(var(--h) / 2)); }
.cube .bottom { height: var(--d); top: calc(var(--d) / -2); transform: rotateX(-90deg) translateZ(calc(var(--h) / 2)); }

/* box body: glossy red with gold ribbon */
.base { --w: 150px; --h: 124px; --d: 150px; }
.base .f { background:
  linear-gradient(90deg, transparent 42%, #c98a00 42%, #ffe48a 47%, #fff6cf 50%, #ffd34d 53%, #c98a00 58%, transparent 58%),
  linear-gradient(180deg, rgba(255,255,255,.25), transparent 35%),
  linear-gradient(160deg, #ff4a3a, #d4140e 45%, #8a0806); border-radius: 4px; }
.base .front { box-shadow: inset 0 0 30px rgba(0,0,0,.25); }
.base .left, .base .right { filter: brightness(.72); }
.base .back { filter: brightness(.6); }
.base .top { background: radial-gradient(circle, #ffe08a, #f6a609 40%, #6b0505 75%); }
.base .bottom { background: #3a0303; }

/* lid */
.lid { --w: 166px; --h: 38px; --d: 166px; transform: translateY(-80px); transition: transform 1.1s cubic-bezier(.2,.8,.3,1), opacity .9s .3s; }
.lid .f { background:
  linear-gradient(90deg, transparent 43%, #c98a00 43%, #ffe48a 47%, #fff6cf 50%, #ffd34d 53%, #c98a00 57%, transparent 57%),
  linear-gradient(180deg, rgba(255,255,255,.35), transparent 50%),
  linear-gradient(180deg, #ff5a45, #c8100f); border-radius: 4px; }
.lid .left, .lid .right { filter: brightness(.75); }
.lid .back { filter: brightness(.62); }
.lid .top { filter: brightness(1.12); background:
  linear-gradient(90deg, transparent 43%, #c98a00 43%, #ffe48a 47%, #fff6cf 50%, #ffd34d 53%, #c98a00 57%, transparent 57%),
  linear-gradient(0deg, transparent 43%, #c98a00 43%, #ffe48a 47%, #fff6cf 50%, #ffd34d 53%, #c98a00 57%, transparent 57%),
  radial-gradient(circle at 30% 30%, #ff6b55, #d4140e 60%, #a00b08); }
.lid .bottom { background: #6b0505; }
/* bow — four loops in two planes */
.bow { position: absolute; transform-style: preserve-3d; transform: translateY(-19px); }
.bow i { position: absolute; width: 58px; height: 44px; left: -58px; top: -40px; border-radius: 50% 50% 46% 46%; border: 11px solid #f7b500;
  border-color: #ffe48a #f6a609 #c98a00 #ffd34d; transform-origin: 100% 100%; box-shadow: inset 0 0 6px rgba(120,60,0,.4); }
.bow i:nth-child(1) { transform: rotateZ(18deg); }
.bow i:nth-child(2) { transform: rotateY(180deg) rotateZ(18deg); }
.bow i:nth-child(3) { transform: rotateY(90deg) rotateZ(18deg); }
.bow i:nth-child(4) { transform: rotateY(-90deg) rotateZ(18deg); }
.bow b { position: absolute; width: 26px; height: 26px; left: -13px; top: -22px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #fff6cf, #f6a609 60%, #a86400); }

.box-shadow { position: absolute; left: -110px; top: 70px; width: 220px; height: 40px; border-radius: 50%; background: radial-gradient(closest-side, rgba(0,0,0,.65), transparent); }
.glow { position: absolute; left: -160px; top: -230px; width: 320px; height: 320px; border-radius: 50%; opacity: 0; pointer-events: none;
  background: conic-gradient(from 0deg, transparent 0 8%, rgba(255,214,110,.55) 10%, transparent 12% 20%, rgba(255,214,110,.55) 22%, transparent 24% 33%, rgba(255,214,110,.5) 35%, transparent 37% 45%, rgba(255,214,110,.55) 47%, transparent 49% 58%, rgba(255,214,110,.5) 60%, transparent 62% 70%, rgba(255,214,110,.55) 72%, transparent 74% 83%, rgba(255,214,110,.5) 85%, transparent 87% 95%, rgba(255,214,110,.55) 97%, transparent 99%);
  -webkit-mask: radial-gradient(circle, #000 20%, transparent 70%); mask: radial-gradient(circle, #000 20%, transparent 70%); }
.choco { position: absolute; left: -130px; top: -60px; width: 260px; opacity: 0; transform: translateY(40px) scale(.2); pointer-events: none; }

/* ---- OPEN ---- */
.giftbox.open .scene { animation: none; transform: rotateX(-22deg) rotateY(-26deg); }
.giftbox.open .lid { transform: translate3d(-120px, -420px, 80px) rotateX(-75deg) rotateZ(-50deg); opacity: 0; }
.giftbox.open .base .front { transform: translateZ(calc(var(--d) / 2)) translate3d(0, 120px, 160px) rotateX(-80deg); opacity: 0; }
.giftbox.open .base .back  { transform: rotateY(180deg) translateZ(calc(var(--d) / 2)) translate3d(0, 120px, 160px) rotateX(-80deg); opacity: 0; }
.giftbox.open .base .right { transform: rotateY(90deg) translateZ(calc(var(--w) / 2)) translate3d(0, 120px, 160px) rotateX(-80deg); opacity: 0; }
.giftbox.open .base .left  { transform: rotateY(-90deg) translateZ(calc(var(--w) / 2)) translate3d(0, 120px, 160px) rotateX(-80deg); opacity: 0; }
.giftbox.open .base .top { opacity: 0; transition-delay: 0s; }
.giftbox.open .base .bottom { transition: opacity 1.4s .6s; opacity: 0; }
.giftbox.open .box-shadow { transition: opacity 1s .4s; opacity: .3; }
.giftbox.open .glow { animation: glow 1.2s .2s ease-out forwards, rays 12s linear infinite; }
@keyframes glow { to { opacity: 1; } }
@keyframes rays { to { rotate: 360deg; } }
.giftbox.open .choco { animation: rise 1.3s .3s cubic-bezier(.2,1.3,.4,1) forwards, hover 3s 1.6s ease-in-out infinite; }
@keyframes rise { to { opacity: 1; transform: translateY(-80px) scale(1.12) rotate(-6deg); filter: drop-shadow(0 18px 24px rgba(0,0,0,.5)) drop-shadow(0 0 30px rgba(255,200,80,.85)); } }
@keyframes hover {
  from { opacity: 1; transform: translateY(-80px) scale(1.12) rotate(-6deg); filter: drop-shadow(0 18px 24px rgba(0,0,0,.5)) drop-shadow(0 0 30px rgba(255,200,80,.85)); }
  50% { opacity: 1; transform: translateY(-92px) scale(1.14) rotate(-3deg); filter: drop-shadow(0 22px 26px rgba(0,0,0,.45)) drop-shadow(0 0 38px rgba(255,200,80,.95)); }
  to { opacity: 1; transform: translateY(-80px) scale(1.12) rotate(-6deg); filter: drop-shadow(0 18px 24px rgba(0,0,0,.5)) drop-shadow(0 0 30px rgba(255,200,80,.85)); } }

.overlay-next { position: absolute; bottom: max(32px, env(safe-area-inset-bottom)); left: 0; right: 0; margin: 0 auto; width: min(340px, 86vw); z-index: 5; animation: pop .5s ease both; }
.choco-svg, .choco img, .choco-mini img { width: 100%; height: auto; display: block; }

@media (prefers-reduced-motion: reduce) {
  .bokeh, #bgfx { display: none; }
  .scene, .hero .diwali, .btn.gift { animation: none; }
}