/* IN999 Immersive 4D visual layer — presentation only */
:root{--d4-gold:#ffe45c;--d4-amber:#ff9f1a;--d4-cyan:#7df9ff;--d4-purple:#b28cff}
.d4d-stage{position:relative;isolation:isolate;transform-style:preserve-3d;perspective:1600px}
.d4d-stage::before{content:"";position:fixed;inset:-20%;z-index:-4;pointer-events:none;background:conic-gradient(from 0deg at 50% 50%,rgba(255,228,92,.08),transparent 18%,rgba(125,249,255,.05),transparent 42%,rgba(178,140,255,.06),transparent 68%,rgba(255,159,26,.06),transparent);animation:d4Spin 26s linear infinite}
.d4d-stage::after{content:"";position:fixed;inset:0;z-index:100;pointer-events:none;opacity:.18;background:repeating-linear-gradient(0deg,transparent 0 3px,rgba(255,255,255,.025) 4px),radial-gradient(circle at 50% 50%,transparent 35%,rgba(0,0,0,.55) 100%);mix-blend-mode:screen}
.d4d-depth{transform-style:preserve-3d;will-change:transform}
.d4d-depth>*{transform-style:preserve-3d}
.d4d-glass{background:linear-gradient(145deg,rgba(255,255,255,.075),rgba(255,255,255,.018));border:1px solid rgba(255,228,92,.2);box-shadow:0 30px 90px rgba(0,0,0,.35),inset 0 1px rgba(255,255,255,.12);backdrop-filter:blur(24px) saturate(140%)}
.d4d-neon{box-shadow:0 0 0 1px rgba(255,228,92,.12),0 0 35px rgba(255,228,92,.12),inset 0 0 35px rgba(255,159,26,.035)}
.d4d-orbit{position:absolute;width:180px;height:180px;border:1px solid rgba(255,228,92,.22);border-radius:50%;transform:rotateX(68deg);animation:d4Orbit 8s linear infinite;pointer-events:none}
.d4d-orbit::before,.d4d-orbit::after{content:"";position:absolute;border-radius:50%;background:var(--d4-gold);box-shadow:0 0 20px var(--d4-gold)}
.d4d-orbit::before{width:7px;height:7px;left:14px;top:18px}.d4d-orbit::after{width:4px;height:4px;right:25px;bottom:22px;background:var(--d4-cyan);box-shadow:0 0 15px var(--d4-cyan)}
.d4d-holo{position:relative;overflow:hidden}
.d4d-holo::before{content:"";position:absolute;inset:-100% -20%;background:linear-gradient(115deg,transparent 40%,rgba(255,255,255,.13) 48%,transparent 56%);transform:translateX(-35%) rotate(8deg);animation:d4Sweep 5s ease-in-out infinite;pointer-events:none}
.d4d-float{animation:d4Float 5s ease-in-out infinite}
.d4d-pulse{animation:d4Pulse 2.8s ease-in-out infinite}
.d4d-text{background:linear-gradient(90deg,#fff,var(--d4-gold),#fff,var(--d4-cyan),#fff);background-size:300% auto;-webkit-background-clip:text;background-clip:text;color:transparent;animation:d4Text 7s linear infinite}
.d4d-rgb{position:relative}.d4d-rgb::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;box-shadow:-2px 0 rgba(125,249,255,.12),2px 0 rgba(255,80,130,.10);mix-blend-mode:screen}
.d4d-card-enter{opacity:0;transform:translateY(24px) translateZ(-30px) scale(.97);animation:d4Enter .7s cubic-bezier(.2,.8,.2,1) forwards}
@keyframes d4Spin{to{transform:rotate(360deg)}}
@keyframes d4Orbit{to{transform:rotateX(68deg) rotateZ(360deg)}}
@keyframes d4Sweep{0%,25%{transform:translateX(-45%) rotate(8deg)}70%,100%{transform:translateX(45%) rotate(8deg)}}
@keyframes d4Float{0%,100%{transform:translateY(0) translateZ(0)}50%{transform:translateY(-10px) translateZ(14px)}}
@keyframes d4Pulse{0%,100%{filter:drop-shadow(0 0 0 rgba(255,228,92,0))}50%{filter:drop-shadow(0 0 16px rgba(255,228,92,.28))}}
@keyframes d4Text{to{background-position:300% center}}
@keyframes d4Enter{to{opacity:1;transform:translateY(0) translateZ(0) scale(1)}}
@media(max-width:640px){.d4d-orbit{width:120px;height:120px;opacity:.5}.d4d-stage::after{opacity:.08}.d4d-glass{backdrop-filter:blur(16px)}}
@media(prefers-reduced-motion:reduce){.d4d-stage::before,.d4d-orbit,.d4d-holo::before,.d4d-float,.d4d-pulse,.d4d-text,.d4d-card-enter{animation:none!important}.d4d-card-enter{opacity:1;transform:none}}

/* ═══════════════════ 3D STICKERS / EMOJI ═══════════════════ */
.emoji-sticker,.sticker-3d{display:inline-flex;align-items:center;justify-content:center;position:relative;transform-style:preserve-3d;perspective:900px;line-height:1;filter:drop-shadow(0 10px 10px rgba(0,0,0,.35));animation:stickerFloat 3.6s ease-in-out infinite;will-change:transform,filter}
.emoji-sticker::before,.sticker-3d::before{content:"";position:absolute;inset:-8px;border-radius:22%;background:radial-gradient(circle at 35% 25%,rgba(255,255,255,.28),transparent 28%),linear-gradient(145deg,rgba(255,228,92,.20),rgba(125,249,255,.08));border:1px solid rgba(255,255,255,.16);box-shadow:inset 0 2px 4px rgba(255,255,255,.18),0 8px 25px rgba(0,0,0,.28);transform:translateZ(-7px) rotateX(10deg);z-index:-1;backdrop-filter:blur(5px)}
.emoji-sticker::after,.sticker-3d::after{content:"";position:absolute;inset:-3px;border-radius:20%;border-top:2px solid rgba(255,255,255,.35);border-left:1px solid rgba(255,255,255,.18);transform:translateZ(-2px);pointer-events:none}
.icon-box{transform:translateZ(22px) rotateX(5deg) rotateY(-5deg);box-shadow:0 14px 30px rgba(0,0,0,.28),0 0 25px rgba(250,204,21,.12),inset 0 1px 2px rgba(255,255,255,.2)}
.icon-box:hover{transform:translateZ(38px) rotateX(-6deg) rotateY(8deg) scale(1.12);box-shadow:0 24px 45px rgba(0,0,0,.38),0 0 35px rgba(250,204,21,.25)}
@keyframes stickerFloat{0%,100%{transform:translateZ(18px) rotateX(4deg) rotateY(-4deg) translateY(0) rotateZ(0deg)}50%{transform:translateZ(34px) rotateX(-5deg) rotateY(6deg) translateY(-8px) rotateZ(1.5deg)}}
@media(max-width:640px){.emoji-sticker,.sticker-3d{animation-duration:4.2s}.icon-box{transform:translateZ(12px)}}
@media(prefers-reduced-motion:reduce){.emoji-sticker,.sticker-3d{animation:none!important}}