:root{
  --paper:#f3e5c7;
  --paper-light:#f8eedb;
  --paper-dark:#e5cfaa;
  --ink:#3d2a1e;
  --muted:#765f4b;
  --accent:#8c3030;
  --accent2:#a8563f;
  --gold:#c29a5d;
  --dark:#241811;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:#2b1d16;
  font-family:"Hind Siliguri",sans-serif;
  overflow-x:hidden;
}
body:before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:50;opacity:.17;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.22'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
button,input{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.grain{position:fixed;inset:0;pointer-events:none;opacity:.08;background:repeating-linear-gradient(0deg,transparent 0 2px,rgba(80,45,20,.15) 3px);z-index:49}
.petals{position:fixed;inset:0;pointer-events:none;z-index:2;opacity:.55;overflow:hidden}
.petals:before,.petals:after{content:"✦     ·        ✦       ·    ✦";position:absolute;white-space:pre;font-family:serif;color:rgba(244,216,166,.38);font-size:18px;animation:drift 18s linear infinite}
.petals:before{left:7%;top:-20px}.petals:after{right:9%;top:-60px;animation-delay:-8s;transform:scale(.75)}
@keyframes drift{to{transform:translateY(115vh) rotate(180deg)}}

.gate{min-height:100svh;display:grid;place-items:center;padding:30px 18px;position:relative;background:
  radial-gradient(circle at 50% 15%,rgba(224,183,115,.14),transparent 30%),
  radial-gradient(circle at 10% 85%,rgba(151,77,42,.13),transparent 30%),
  linear-gradient(145deg,#1d120d,#4a3022 52%,#21150f)}
.gate-inner{width:min(720px,100%);text-align:center;color:#f7ead7;position:relative;z-index:3}
.eyebrow{font:500 12px/1.4 "Hind Siliguri";letter-spacing:.12em;opacity:.72;margin:0 0 10px}
.date-line{font:400 13px "Tiro Bangla";color:#d9b777;letter-spacing:.18em}
.gate h1{font:500 clamp(44px,11vw,86px)/1.02 "Noto Serif Bengali";margin:20px 0 14px;text-shadow:0 8px 30px rgba(0,0,0,.25)}
.gate h1 em{font-family:"Tiro Bangla";font-weight:400;color:#e0ba7a}
.gate-note{font:400 18px/1.75 "Noto Serif Bengali";opacity:.82;margin:0 auto 25px}
.secret-card{max-width:580px;margin:0 auto;padding:23px;border:1px solid rgba(231,201,153,.25);border-radius:18px;background:rgba(28,18,12,.5);backdrop-filter:blur(9px);box-shadow:0 18px 60px rgba(0,0,0,.25)}
.secret-card label{display:block;font:400 17px "Noto Serif Bengali";margin-bottom:13px}
.secret-row{display:flex;gap:9px}
.secret-row input{min-width:0;flex:1;padding:13px 15px;border-radius:12px;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.06);color:#fff;outline:none;text-align:center}
.secret-row input::placeholder{color:rgba(255,255,255,.42)}
.secret-row input:focus{border-color:#dfb875;box-shadow:0 0 0 3px rgba(223,184,117,.11)}
.secret-row button{border:0;border-radius:12px;padding:0 19px;background:#d8b274;color:#2c1b11;font-weight:700}
.secret-message{min-height:24px;margin:10px 0 0;font-size:14px;opacity:.9}
.secret-message.success{color:#dfb875}.secret-message.error{color:#efb1a6}
.secret-card.shake{animation:shake .36s ease}
@keyframes shake{25%{transform:translateX(-7px)}50%{transform:translateX(7px)}75%{transform:translateX(-4px)}}
.envelope-wrap{margin:31px auto 8px;display:grid;justify-items:center;gap:18px;transition:.6s}
.envelope-wrap.locked{opacity:.16;filter:grayscale(1);pointer-events:none;transform:scale(.94)}
.envelope-scene{perspective:900px}
.envelope{width:min(350px,82vw);aspect-ratio:1.56;position:relative;filter:drop-shadow(0 25px 30px rgba(0,0,0,.34));transform-style:preserve-3d}
.envelope-body{position:absolute;inset:0;background:linear-gradient(135deg,#c9955e,#ad7043);border-radius:7px;box-shadow:inset 0 0 0 1px rgba(72,40,18,.22);z-index:2;overflow:hidden}
.envelope-body:before,.envelope-body:after{content:"";position:absolute;bottom:0;width:0;height:0;border-style:solid}
.envelope-body:before{left:0;border-width:0 0 85% 52%;border-color:transparent transparent #b77d49 transparent}
.envelope-body:after{right:0;border-width:0 52% 85% 0;border-color:transparent #a86e40 transparent transparent}
.letter-peek{position:absolute;left:10%;right:10%;top:11%;height:78%;background:#f0dfbe;z-index:1;transform:translateY(8%);box-shadow:0 2px 10px rgba(0,0,0,.12);font:400 15px "Tiro Bangla";color:#76523c;display:grid;place-items:start center;padding-top:24px}
.envelope-flap{position:absolute;z-index:4;left:0;right:0;top:0;height:65%;background:linear-gradient(145deg,#d7a164,#bd824e);clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top center;transition:1.15s cubic-bezier(.18,.78,.18,1);filter:brightness(1.02);backface-visibility:hidden}
.envelope.open .envelope-flap{transform:rotateX(180deg);z-index:0}
.wax{position:absolute;z-index:5;left:50%;top:48%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 30%,#a94a42,#6d2424);color:#e8c897;font:700 24px "Tiro Bangla";box-shadow:0 5px 13px rgba(0,0,0,.3)}
.envelope.open .wax{opacity:0;transition:.25s}
.open-letter{padding:11px 23px;border-radius:999px;border:1px solid rgba(232,201,151,.42);background:rgba(255,255,255,.02);color:#f6ead6;transition:.25s}
.open-letter:hover{background:rgba(255,255,255,.08);transform:translateY(-2px)}
.open-letter:disabled{opacity:.65;cursor:default}
.tiny-note{font-size:12px;opacity:.43;margin-top:18px}

.letter-section{padding:48px 14px 80px;max-width:940px;margin:auto;position:relative;z-index:3}
.letter-paper{position:relative;padding:clamp(30px,6vw,76px);background:
  radial-gradient(circle at 18% 8%,rgba(126,73,26,.09),transparent 18%),
  radial-gradient(circle at 86% 90%,rgba(126,73,26,.1),transparent 22%),
  repeating-linear-gradient(0deg,rgba(92,58,31,.018) 0 1px,transparent 1px 4px),
  linear-gradient(105deg,var(--paper),#f7ecd7 45%,var(--paper-dark));
  box-shadow:0 20px 80px rgba(0,0,0,.4),0 2px 5px rgba(0,0,0,.18);border-radius:2px;transform:rotate(-.18deg);overflow:hidden}
.letter-paper:after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse at center,transparent 55%,rgba(74,42,20,.12));mix-blend-mode:multiply}
.letter-paper:before{content:"";position:absolute;inset:12px;border:1px solid rgba(103,69,39,.14);pointer-events:none}
.paper-corner{position:absolute;right:-40px;top:-40px;width:120px;height:120px;background:linear-gradient(135deg,transparent 49%,rgba(94,57,28,.1) 50%,rgba(255,255,255,.22) 55%,transparent 57%);transform:rotate(8deg);opacity:.7}
.letter-head{display:flex;justify-content:space-between;gap:20px;align-items:flex-start;position:relative;z-index:1}
.small-label{font:600 11px "Hind Siliguri";letter-spacing:.15em;color:var(--accent);text-transform:uppercase}
.letter-head h2{font:400 clamp(29px,6vw,48px)/1.2 "Tiro Bangla";margin:7px 0 0}
.date-stamp{font:500 12px "Hind Siliguri";color:var(--muted);border-bottom:1px solid rgba(61,42,29,.25);padding-bottom:5px;white-space:nowrap}
.paper-rule{height:1px;background:linear-gradient(90deg,transparent,rgba(61,42,29,.32),transparent);margin:26px 0 31px}
.typed-opening{position:relative;font-family:"Noto Serif Bengali";font-size:19px;line-height:2;min-height:130px;z-index:1}
.salutation{font-family:"Tiro Bangla";font-size:23px;margin:0 0 5px}
.typed-opening p{margin:0;display:inline}
.cursor{display:inline-block;width:2px;height:1.1em;background:var(--accent);vertical-align:-.15em;animation:blink 1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}
.letter-body{font:400 18px/2.12 "Noto Serif Bengali";margin-top:13px;position:relative;z-index:1}
.letter-body p{margin:27px 0}
.letter-body .strong-line{font-family:"Tiro Bangla";font-size:28px;text-align:center;color:var(--accent);margin:43px 0}
.memory{margin:40px auto;width:min(420px,88%);position:relative;filter:drop-shadow(0 14px 22px rgba(55,31,16,.18))}
.memory img{width:100%;display:block;padding:9px 9px 47px;background:#f8efdf;box-shadow:0 2px 0 rgba(76,46,23,.08);border:1px solid rgba(80,49,25,.12)}
.memory-left{transform:rotate(-2.1deg);margin-left:0}.memory-right{transform:rotate(2.2deg);margin-right:0}.memory-center{transform:rotate(-.8deg)}
.memory:after{content:"";position:absolute;left:8px;right:8px;bottom:9px;height:1px;background:rgba(87,57,32,.08)}
.photo-tape{position:absolute;z-index:2;left:50%;top:-12px;width:72px;height:23px;transform:translateX(-50%) rotate(-2deg);background:rgba(214,190,145,.72);box-shadow:0 2px 3px rgba(70,45,25,.08);backdrop-filter:blur(1px)}
.memory figcaption{position:absolute;left:18px;right:18px;bottom:13px;text-align:center;font:400 13px/1.15 "Tiro Bangla";color:#5e4631}
.memory figcaption span{font-family:"Hind Siliguri";font-size:11px;letter-spacing:.04em;color:var(--accent)}
.signature-call{font-family:"Tiro Bangla";font-size:23px!important;margin-top:44px!important}
.hand-sign{display:flex;flex-direction:column;align-items:flex-end;margin-top:30px;font-family:"Tiro Bangla";font-size:21px}.hand-sign strong{font-size:30px;font-weight:400;margin-top:5px}
.paper-footer{text-align:center;margin-top:57px;padding-top:18px;border-top:1px dashed rgba(61,42,29,.22);font:400 14px "Tiro Bangla";color:#80664d}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .85s ease,transform .85s cubic-bezier(.2,.7,.2,1)}
.reveal.visible{opacity:1;transform:none}

.music-card{margin:26px auto 0;max-width:740px;padding:17px 18px;border:1px solid rgba(239,218,184,.2);border-radius:14px;background:rgba(30,20,14,.7);color:#f4e8d3;display:flex;align-items:center;justify-content:space-between;gap:15px}
.music-kicker{font:400 13px "Tiro Bangla";color:#dfb875}.music-card p{font-size:13px;opacity:.72;margin:4px 0 0}.music-btn{border:1px solid rgba(223,184,117,.45);background:transparent;color:#f5dfb7;border-radius:999px;padding:9px 15px;white-space:nowrap;transition:.2s}.music-btn:hover{background:rgba(223,184,117,.08)}.music-btn.playing{border-color:#dcae66}

.proposal{padding:110px 0 50px}.proposal-card{max-width:680px;margin:auto;text-align:center;padding:52px 24px 58px;position:relative;border-radius:22px;background:linear-gradient(145deg,#f7ead2,#e7cfa6);box-shadow:0 25px 80px rgba(0,0,0,.33);overflow:hidden}
.proposal-card:before,.proposal-card:after{content:"♡";position:absolute;font-size:110px;color:rgba(141,47,47,.055)}.proposal-card:before{left:-20px;top:-28px}.proposal-card:after{right:-20px;bottom:-40px}
.proposal-paper-mark{position:absolute;right:22px;top:17px;font:400 12px "Tiro Bangla";color:rgba(76,51,35,.4);letter-spacing:.12em}.proposal-small{font:400 16px "Tiro Bangla";color:var(--muted);margin:0 0 10px}.love-box{margin:auto;width:78px;height:78px;border-radius:19px;display:grid;place-items:center;background:linear-gradient(145deg,#943535,#702424);color:#f8e8d0;font-size:46px;box-shadow:0 14px 35px rgba(141,47,47,.24);animation:heartbeat 2.2s ease-in-out infinite}@keyframes heartbeat{0%,100%{transform:scale(1)}50%{transform:scale(1.05)}}
.proposal h3{font:500 clamp(35px,8vw,60px)/1.1 "Tiro Bangla";margin:21px 0 10px;color:#4a271d}.proposal-bn{font:400 19px "Noto Serif Bengali";color:#674e3b}.answer-zone{position:relative;display:flex;justify-content:center;align-items:center;gap:13px;min-height:72px;margin-top:25px}.yes-btn,.no-btn{border:0;border-radius:999px;padding:12px 22px;font-weight:600;transition:transform .25s ease,box-shadow .25s ease}.yes-btn{background:#8d2f2f;color:#fff2df;box-shadow:0 10px 24px rgba(141,47,47,.22)}.yes-btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(141,47,47,.27)}.yes-btn:disabled{cursor:default}.no-btn{background:#d6c2a1;color:#4c392a;position:relative;z-index:2}.answer-zone.accepted .yes-btn{animation:accepted .8s ease}@keyframes accepted{50%{transform:scale(1.08)}}.answer-message{min-height:29px;font:400 16px "Tiro Bangla";color:#8d2f2f;margin:18px 0 0}

.final-letter{max-width:760px;margin:25px auto 0}.final-letter.show{animation:finalIn 1s cubic-bezier(.2,.8,.2,1)}@keyframes finalIn{from{opacity:0;transform:translateY(35px) scale(.98)}to{opacity:1;transform:none}}
.final-paper{position:relative;padding:45px clamp(25px,7vw,68px);background:linear-gradient(105deg,#f1dfbb,#f8edd8 52%,#e5cca1);box-shadow:0 20px 65px rgba(0,0,0,.3);transform:rotate(.3deg);overflow:hidden}.final-paper:before{content:"";position:absolute;inset:12px;border:1px solid rgba(103,69,39,.12);pointer-events:none}.final-stamp{display:block;text-align:center;font:400 12px "Hind Siliguri";letter-spacing:.12em;color:var(--accent);opacity:.75}.final-paper h4{text-align:center;font:400 clamp(30px,7vw,48px) "Tiro Bangla";margin:11px 0;color:#4a2d21}.final-rule{height:1px;background:linear-gradient(90deg,transparent,rgba(61,42,29,.3),transparent);margin:20px 0 27px}.final-paper p{font:400 18px/2.08 "Noto Serif Bengali";margin:23px 0}.ink-em{font-family:"Tiro Bangla";color:var(--accent)}.final-love{text-align:center!important;font:400 24px/1.7 "Tiro Bangla"!important;color:var(--accent);margin-top:34px!important}.final-sign{text-align:right;font:400 25px "Tiro Bangla";margin-top:35px;color:#5b3c2b}
.final-footer{text-align:center;color:#e9d6b7;padding:35px 0 10px}.final-footer p{font:400 30px "Tiro Bangla";margin:0}.final-footer span{display:block;font:400 16px "Noto Serif Bengali";opacity:.8;margin-top:3px}.final-footer small{display:block;font:12px "Hind Siliguri";opacity:.45;margin-top:12px}

@media(max-width:620px){.secret-row{flex-direction:column}.secret-row button{padding:12px}.letter-section{padding:22px 8px 60px}.letter-paper{padding:30px 20px}.letter-paper:before{inset:8px}.letter-head{display:block}.date-stamp{display:inline-block;margin-top:12px}.typed-opening{font-size:18px;line-height:2.05}.letter-body{font-size:17px;line-height:2.02}.memory{width:95%;margin-top:35px;margin-bottom:35px}.memory-left,.memory-right,.memory-center{margin-left:auto;margin-right:auto}.music-card{align-items:flex-start;flex-direction:column}.music-btn{align-self:stretch}.proposal{padding-top:78px}.proposal-card{padding:45px 17px 50px}.proposal h3{font-size:40px}.proposal-bn{font-size:17px}.final-paper{padding:40px 22px}.final-paper p{font-size:17px;line-height:2}.final-love{font-size:22px!important}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.001ms!important;animation-iteration-count:1!important;scroll-behavior:auto!important;transition-duration:.001ms!important}}