:root{--bur:#5A0F1A;--bur2:#7A1424;--blk:#0E0A0A;--ivory:#F3EADB;--gold:#C9A66B;--ink:#2a1a1a}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--blk);color:#fff;font-family:'Jost',sans-serif;font-weight:300;overflow-x:hidden}
body.locked{overflow:hidden}
.serif{font-family:'Cormorant Garamond',serif}
.arabic{font-family:'Amiri',serif;direction:rtl}
.label{letter-spacing:.32em;text-transform:uppercase;font-size:.68rem;font-weight:400}
.gold{color:var(--gold)}
.grain{pointer-events:none;position:fixed;inset:0;z-index:100;opacity:.09;mix-blend-mode:overlay;
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='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
.silk{position:absolute;inset:0;overflow:hidden;background:radial-gradient(ellipse at 30% 20%,#7a1424 0%,#3d0910 45%,#120607 100%)}
.silk i{position:absolute;border-radius:50%;filter:blur(60px);opacity:.55;animation:drift 18s ease-in-out infinite alternate}
.silk i:nth-child(1){width:60vmax;height:30vmax;background:#9b1b2e;top:-10%;left:-20%}
.silk i:nth-child(2){width:50vmax;height:25vmax;background:#4a0b14;bottom:-10%;right:-20%;animation-delay:-6s}
.silk i:nth-child(3){width:30vmax;height:30vmax;background:#c9a66b22;top:40%;left:40%;animation-delay:-12s}
@keyframes drift{to{transform:translate(8vw,6vh) rotate(25deg) scale(1.15)}}
.paper{background:var(--ivory);color:var(--ink);background-image:radial-gradient(circle at 20% 10%,#fff8ec 0,transparent 50%),radial-gradient(circle at 90% 90%,#e8d9c2 0,transparent 50%)}
.reveal{opacity:0;transform:translateY(28px);transition:opacity 1.1s ease,transform 1.1s ease}
.reveal.in{opacity:1;transform:none}
.goldcard{border:1px solid rgba(201,166,107,.45);background:linear-gradient(160deg,rgba(90,15,26,.35),rgba(14,10,10,.6));transition:.4s}
.goldcard:hover{border-color:var(--gold);box-shadow:0 0 30px rgba(201,166,107,.15)}
.btn-ivory{background:var(--ivory);color:var(--bur);border-radius:999px;padding:14px 30px;transition:.3s}
.btn-ivory:hover{background:#fff;box-shadow:0 0 25px rgba(243,234,219,.4)}
.btn-bur{background:var(--bur);color:var(--ivory);padding:14px 26px;border-radius:4px;transition:.3s}
.btn-bur:hover:not(:disabled){background:var(--bur2);box-shadow:0 8px 24px rgba(90,15,26,.35)}
.btn-bur:disabled{opacity:.6}
.btn-line{border:1px solid var(--gold);color:var(--ivory);padding:11px 20px;border-radius:999px;transition:.3s;font-size:.8rem;letter-spacing:.15em;text-transform:uppercase}
.btn-line:hover{background:var(--gold);color:var(--blk)}
.field{width:100%;background:#fffaf2;border:1px solid #d9c8ad;padding:13px 14px;border-radius:4px;color:var(--ink);font-family:'Jost';font-size:16px;outline:none;transition:.25s}
.field:focus{border-color:var(--bur);box-shadow:0 0 0 3px rgba(90,15,26,.1)}
.dark .field{background:rgba(255,255,255,.04);border-color:rgba(201,166,107,.35);color:#fff}
.dark .field:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(201,166,107,.12)}
.dark .field option{color:#000}
.err{color:#e0727f;font-size:.78rem;margin-top:4px}
.tabbar{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;border-bottom:1px solid rgba(201,166,107,.25)}
.tabbar::-webkit-scrollbar{display:none}
.tab{flex:1 0 auto;padding:14px 18px;font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:rgba(255,255,255,.55);border-bottom:2px solid transparent;transition:.3s;white-space:nowrap}
.tab.on{color:var(--gold);border-bottom-color:var(--gold)}
.fadein{animation:fi .6s ease}
@keyframes fi{from{opacity:0;transform:translateY(12px)}}
/* envelope */
.env{position:relative;width:min(300px,78vw);aspect-ratio:1.45;perspective:900px}
.env-body{position:absolute;inset:0;background:linear-gradient(150deg,#4a0b14,#2a060b);border-radius:4px;box-shadow:0 25px 50px rgba(0,0,0,.6);overflow:hidden}
.env-body:before{content:"";position:absolute;inset:0;background:linear-gradient(to top right,transparent 49.5%,rgba(0,0,0,.35) 50%,transparent 51%),linear-gradient(to top left,transparent 49.5%,rgba(0,0,0,.35) 50%,transparent 51%)}
.env-flap{position:absolute;top:0;left:0;right:0;height:62%;background:linear-gradient(180deg,#5e1019,#3a0810);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top;transition:transform 1s cubic-bezier(.6,0,.3,1);z-index:3}
.env-card{position:absolute;left:8%;right:8%;top:10%;bottom:8%;background:var(--ivory);z-index:2;transition:transform 1.1s .6s cubic-bezier(.3,0,.2,1);display:flex;align-items:center;justify-content:center;color:var(--bur);border:1px solid var(--gold)}
.seal{position:absolute;left:50%;top:62%;width:58px;height:58px;margin:-29px;border-radius:50%;z-index:4;
background:radial-gradient(circle at 35% 30%,#c23040,#7d0f1c 60%,#4c0710);box-shadow:0 4px 10px rgba(0,0,0,.5),inset 0 0 0 4px rgba(0,0,0,.15);display:flex;align-items:center;justify-content:center;transition:.6s}
.opening .seal{transform:scale(1.4);opacity:0}
.opening .env-flap{transform:rotateX(180deg);z-index:1}
.opening .env-card{transform:translateY(-62%)}
.tassel{position:absolute;right:-6%;top:40%;width:3px;height:45%;background:linear-gradient(var(--gold),#8a6a35);z-index:5;transform:rotate(-12deg)}
.tassel:after{content:"";position:absolute;bottom:-18px;left:-7px;width:17px;height:24px;background:repeating-linear-gradient(90deg,var(--gold) 0 2px,#a8854a 2px 3px);clip-path:polygon(30% 0,70% 0,100% 100%,0 100%)}
.overlay-out{animation:oo 1s forwards}
@keyframes oo{to{opacity:0;transform:scale(1.04);visibility:hidden}}
.digit{font-variant-numeric:tabular-nums}
.flip{animation:fl .5s ease}
@keyframes fl{0%{opacity:.2;transform:translateY(-10px)}100%{opacity:1}}
.wish{border-left:3px solid var(--bur);background:#fbf5ea;box-shadow:0 4px 18px rgba(90,15,26,.06)}
.wish.new{animation:fi .8s ease}
.skel{background:linear-gradient(90deg,#efe4d2,#f8f0e2,#efe4d2);background-size:200%;animation:sk 1.3s infinite}
@keyframes sk{to{background-position:-200% 0}}
.confetti{position:absolute;top:-10px;width:6px;height:12px;background:var(--gold);animation:cf linear infinite}
@keyframes cf{to{transform:translateY(110vh) rotate(720deg)}}
.radio-card{border:1px solid rgba(201,166,107,.35);padding:14px;border-radius:4px;cursor:pointer;transition:.25s;display:flex;gap:10px;align-items:center}
.radio-card.on{border-color:var(--gold);background:rgba(201,166,107,.1)}
.dot{width:16px;height:16px;border-radius:50%;border:1px solid var(--gold);flex-shrink:0;display:flex;align-items:center;justify-content:center}
.radio-card.on .dot:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--gold)}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ivory);color:var(--bur);padding:10px 20px;border-radius:999px;z-index:90;font-size:.85rem;animation:fi .4s}