*{margin:0;padding:0;box-sizing:border-box}
  :root{
    --paper:#F6EFE3; --paper2:#FCF7EE; --ink:#33201B; --ink2:#52403A;
    --red:#AE3B45; --red-d:#8C2F38; --rose:#E7C4BC; --washi:rgba(224,164,152,.5);
    --muted:#8B7466; --line:rgba(51,32,27,.16);
  }
  html{scroll-behavior:smooth}
  body{
    background:var(--paper); color:var(--ink);
    font-family:'Jost',sans-serif; font-size:16px; line-height:1.6;
    -webkit-font-smoothing:antialiased; overflow-x:hidden;
  }
  body:not(.started){overflow:hidden;height:100dvh}
  ::selection{background:var(--red);color:var(--paper)}
  :focus-visible{outline:2px solid var(--red);outline-offset:3px}
  button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
  img{display:block;max-width:100%}

  body::after{
    content:'';position:fixed;inset:0;z-index:99;pointer-events:none;mix-blend-mode:multiply;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.05'/%3E%3C/svg%3E");
  }

  #petals{position:fixed;inset:0;z-index:0;pointer-events:none}
  main{position:relative;z-index:1}

  #progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--red);z-index:60}
  header{
    position:fixed;top:0;left:0;right:0;z-index:50;
    display:flex;justify-content:space-between;align-items:center;
    padding:14px clamp(18px,4vw,34px);transition:background-color .3s ease,border-color .3s ease;
    border-bottom:1px solid transparent;opacity:0;transform:translateY(-10px);
  }
  header.scrolled{background:rgba(246,239,227,.85);backdrop-filter:blur(10px);border-bottom-color:var(--line)}
  body.started header{opacity:1;transform:none;transition:opacity .6s ease .3s,transform .6s ease .3s,background-color .3s ease,border-color .3s ease}
  .mono{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:1.1rem;display:inline-flex;align-items:center;gap:8px;letter-spacing:.06em}
  .mono svg{width:12px;height:12px;fill:var(--red)}
  .music-btn{
    width:42px;height:42px;border:1px solid var(--line);border-radius:50%;
    display:flex;align-items:center;justify-content:center;color:var(--ink2);
    transition:border-color .25s ease,color .25s ease;
  }
  .music-btn:hover{border-color:var(--ink)}
  .music-btn.playing{color:var(--red);border-color:var(--red)}
  .music-btn svg{width:18px;height:18px}
  .music-btn.playing svg{animation:sway 1.5s ease-in-out infinite}
  @keyframes sway{25%{transform:rotate(9deg)}75%{transform:rotate(-9deg)}}

  section{padding:clamp(90px,13vh,140px) clamp(20px,6vw,60px)}
  .inner{max-width:1060px;margin:0 auto}
  .sec-kicker{
    display:flex;align-items:center;gap:12px;
    font-size:.72rem;font-weight:500;letter-spacing:.28em;text-transform:uppercase;color:var(--red);
    margin-bottom:18px;
  }
  .sec-kicker::before{content:'';width:28px;height:1px;background:var(--red)}
  h2{font-family:'Cormorant Garamond',serif;font-weight:500;font-size:clamp(2rem,4.6vw,3.1rem);line-height:1.1;letter-spacing:-.01em}
  h2 em{font-style:italic;color:var(--red)}

  .reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease var(--d,0s),transform .8s ease var(--d,0s)}
  .reveal.in{opacity:1;transform:none}

  #intro{
    position:fixed;inset:0;z-index:90;background:var(--paper);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:38px;
    height:100dvh;transition:opacity .7s ease .05s;
  }
  #intro.gone{opacity:0;pointer-events:none}
  .envelope{position:relative;width:min(370px,84vw);aspect-ratio:10/6.6;filter:drop-shadow(0 26px 44px rgba(51,32,27,.2))}
  .env-letter{
    position:absolute;left:5%;right:5%;top:6%;bottom:8%;background:var(--paper2);z-index:2;
    display:flex;flex-direction:column;align-items:center;gap:12px;padding-top:11%;
    box-shadow:0 4px 18px rgba(51,32,27,.12);
    animation:letterUp .95s cubic-bezier(.2,.7,.25,1) .85s forwards paused;
  }
  .el-greet{font-family:'Caveat',cursive;font-size:1.75rem;line-height:1}
  .el-line{height:1px;background:var(--line)}
  .el-line.w1{width:60%}.el-line.w2{width:44%}.el-line.w3{width:52%}
  @keyframes letterUp{
    0%{transform:translateY(0);z-index:2}
    10%{z-index:6}
    100%{transform:translateY(-78%);z-index:6}
  }
  .env-front{position:absolute;inset:0;background:#EFE5D2;border-radius:6px;z-index:3;clip-path:polygon(0 0,50% 52%,100% 0,100% 100%,0 100%)}
  .env-flap{
    position:absolute;left:0;right:0;top:0;height:55%;background:#E9DCC6;border-radius:6px 6px 0 0;z-index:4;
    clip-path:polygon(0 0,100% 0,50% 100%);transform-origin:top;transition:transform .7s ease .35s;
  }
  .env-seal{
    position:absolute;left:50%;top:52%;transform:translate(-50%,-50%);z-index:5;
    width:64px;height:64px;background:var(--red);color:#F6EFE3;
    border-radius:46% 54% 50% 50%/54% 46% 52% 48%;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 3px 10px rgba(140,47,56,.45),inset 0 0 0 3px rgba(246,239,227,.22),inset 0 -5px 9px rgba(0,0,0,.18);
    transition:transform .4s ease,opacity .4s ease;animation:pulseSeal 2.4s ease infinite;
  }
  .env-seal svg{width:26px;height:26px;fill:currentColor}
  .env-seal:hover{transform:translate(-50%,-50%) scale(1.07)}
  @keyframes pulseSeal{50%{box-shadow:0 3px 18px rgba(140,47,56,.6),inset 0 0 0 3px rgba(246,239,227,.22),inset 0 -5px 9px rgba(0,0,0,.18)}}
  .envelope.opening .env-flap{transform:rotateX(180deg)}
  .envelope.opening .env-seal{opacity:0;transform:translate(-50%,-50%) scale(1.3) rotate(-10deg);pointer-events:none;animation:none}
  .envelope.opening .env-letter{animation-play-state:running}
  .intro-hint{font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}

  .hero{text-align:center;padding-top:clamp(120px,18vh,180px)}
  .hero-date{font-size:.78rem;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--red);margin-bottom:26px}
  h1{font-family:'Cormorant Garamond',serif;font-weight:500;font-size:clamp(3rem,9vw,6.4rem);line-height:1;letter-spacing:-.015em}
  h1 em{font-style:italic;font-weight:600;color:var(--red)}
  .hero-sub{font-weight:300;font-size:1.05rem;color:var(--ink2);max-width:46ch;margin:22px auto 0}
  .count{
    display:inline-flex;align-items:baseline;gap:clamp(10px,2.4vw,26px);
    border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    padding:24px clamp(18px,4vw,40px);margin-top:44px;
  }
  .c-cell{display:flex;flex-direction:column;align-items:center;gap:2px}
  .c-num{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:clamp(2.1rem,5.4vw,3.4rem);line-height:1;font-variant-numeric:tabular-nums;min-width:2ch}
  .c-num.wide{min-width:3ch}
  .c-num.tick{animation:tickIn .45s ease}
  @keyframes tickIn{from{opacity:.15;transform:translateY(-7px)}}
  .c-lab{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted)}
  .c-sep{font-family:'Cormorant Garamond',serif;font-size:1.6rem;color:var(--rose);transform:translateY(-6px)}
  .scroll-hint{margin-top:52px;display:inline-flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);font-size:.68rem;letter-spacing:.26em;text-transform:uppercase}
  .scroll-hint svg{width:17px;height:17px;animation:dip 2.1s ease-in-out infinite}
  @keyframes dip{50%{transform:translateY(7px)}}

  .letter-paper{
    position:relative;max-width:660px;margin:54px auto 0;background:var(--paper2);
    border:1px solid var(--line);box-shadow:0 22px 50px rgba(51,32,27,.12);
    padding:clamp(30px,6vw,58px);cursor:pointer;
  }
  .letter-paper::before{
    content:'';position:absolute;top:-13px;left:50%;transform:translateX(-50%) rotate(-2deg);
    width:92px;height:26px;background:var(--washi);
  }
  .letter-saludo{font-family:'Caveat',cursive;font-size:2rem;color:var(--ink);margin-bottom:14px}
  #letterBody p{font-family:'Cormorant Garamond',serif;font-size:1.24rem;line-height:1.85;color:var(--ink2);margin-bottom:1em}
  .caret{display:inline-block;width:2px;height:1.05em;background:var(--red);vertical-align:-.15em;margin-left:2px;animation:blink 1s steps(2) infinite}
  @keyframes blink{50%{opacity:0}}
  .letter-sign{
    font-family:'Caveat',cursive;font-size:1.7rem;color:var(--red);text-align:right;margin-top:22px;
    opacity:0;transform:translateY(8px);transition:opacity 1s ease,transform 1s ease;
  }
  .letter-sign.show{opacity:1;transform:none}
  .letter-tip{text-align:center;margin-top:18px;font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}

  .tl{position:relative;margin-top:70px}
  .tl::before{content:'';position:absolute;top:0;bottom:0;left:11px;width:1px;background:var(--line)}
  .tl-item{position:relative;padding:0 0 74px 48px}
  .tl-item:last-child{padding-bottom:8px}
  .tl-node{
    position:absolute;left:0;top:2px;width:23px;height:23px;background:var(--paper);
    border:1px solid var(--line);border-radius:50%;display:flex;align-items:center;justify-content:center;
  }
  .tl-node svg{width:11px;height:11px;fill:var(--red)}
  .tl-photo{
    width:172px;background:#FFFDF8;padding:9px 9px 12px;box-shadow:0 10px 26px rgba(51,32,27,.16);
    transform:rotate(-2.4deg);margin-bottom:20px;position:relative;
  }
  .tl-item:nth-child(even) .tl-photo{transform:rotate(2deg)}
  .tl-photo::before{content:'';position:absolute;top:-11px;left:50%;transform:translateX(-50%) rotate(2deg);width:64px;height:20px;background:var(--washi)}
  .tl-photo img{aspect-ratio:4/3.4;object-fit:cover;width:100%;background:var(--rose)}
  .tl-date{font-size:.7rem;font-weight:500;letter-spacing:.26em;text-transform:uppercase;color:var(--red)}
  .tl-card h3{font-family:'Cormorant Garamond',serif;font-weight:600;font-size:1.7rem;margin:6px 0 8px}
  .tl-card p{color:var(--ink2);max-width:52ch}
  @media(min-width:820px){
    .tl::before{left:50%}
    .tl-item{display:grid;grid-template-columns:1fr 1fr;gap:0 76px;padding:0 0 90px 0}
    .tl-node{left:50%;transform:translateX(-50%)}
    .tl-item:nth-child(odd) .tl-card{grid-column:1;grid-row:1;text-align:right;justify-self:end}
    .tl-item:nth-child(odd) .tl-photo{margin-left:auto}
    .tl-item:nth-child(even) .tl-card{grid-column:2;grid-row:1;justify-self:start}
  }

  .reasons{display:grid;grid-template-columns:repeat(auto-fit,minmax(225px,1fr));gap:20px;margin-top:60px}
  .reason{display:block;width:100%;min-width:0;padding:0;perspective:900px;height:200px;text-align:center}
  .r-inner{display:block;position:relative;width:100%;height:100%;transform-style:preserve-3d;transition:transform .7s cubic-bezier(.35,.9,.3,1)}
  .reason.flipped .r-inner{transform:rotateY(180deg)}
  .r-front,.r-back{
    position:absolute;inset:0;backface-visibility:hidden;-webkit-backface-visibility:hidden;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;padding:20px;
  }
  .r-front{background:var(--paper2);border:1px solid var(--line)}
  .r-front::before{content:'';position:absolute;top:-10px;left:50%;transform:translateX(-50%) rotate(-3deg);width:64px;height:20px;background:var(--washi)}
  .r-front::after{
    content:'';position:absolute;right:10px;bottom:6px;width:74px;height:74px;opacity:.07;background:var(--red);
    -webkit-mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 14.2C4.7 11.8 2 9.4 2 6.7 2 4.9 3.4 3.5 5.2 3.5c1.1 0 2.1.6 2.8 1.5.7-.9 1.7-1.5 2.8-1.5C12.6 3.5 14 4.9 14 6.7c0 2.7-2.7 5.1-6 7.5z'/%3E%3C/svg%3E") center/contain no-repeat;
            mask:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M8 14.2C4.7 11.8 2 9.4 2 6.7 2 4.9 3.4 3.5 5.2 3.5c1.1 0 2.1.6 2.8 1.5.7-.9 1.7-1.5 2.8-1.5C12.6 3.5 14 4.9 14 6.7c0 2.7-2.7 5.1-6 7.5z'/%3E%3C/svg%3E") center/contain no-repeat;
  }
  .r-num{font-family:'Caveat',cursive;font-size:2.1rem;color:var(--red)}
  .r-hint{font-size:.64rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted)}
  .r-back{background:var(--ink);transform:rotateY(180deg);padding:24px}
  .r-back .r-text{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.2rem;line-height:1.5;color:#F6EFE3}
  .r-back svg{width:13px;height:13px;fill:var(--rose);margin-top:10px}

  .gallery{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:clamp(24px,4vw,40px);margin-top:64px;justify-items:center}
  .polaroid{
    width:100%;max-width:250px;background:#FFFDF8;padding:11px 11px 14px;
    box-shadow:0 12px 30px rgba(51,32,27,.16);cursor:zoom-in;position:relative;
    transition:transform .35s ease,box-shadow .35s ease;
  }
  .polaroid::before{content:'';position:absolute;top:-12px;left:50%;transform:translateX(-50%) rotate(-2deg);width:74px;height:22px;background:var(--washi);z-index:1}
  .polaroid:nth-child(3n+1){transform:rotate(-2.6deg)}
  .polaroid:nth-child(3n+2){transform:rotate(1.9deg)}
  .polaroid:nth-child(3n){transform:rotate(-1deg)}
  .polaroid:hover{transform:rotate(0) translateY(-10px) scale(1.02);box-shadow:0 22px 46px rgba(51,32,27,.22);z-index:2}
  .polaroid img{aspect-ratio:3/4;object-fit:cover;width:100%;background:var(--rose)}
  .polaroid figcaption{font-family:'Caveat',cursive;font-size:1.2rem;text-align:center;margin-top:10px;color:var(--ink2)}

  #lightbox{
    position:fixed;inset:0;z-index:80;background:rgba(30,17,14,.93);
    display:flex;align-items:center;justify-content:center;padding:24px;animation:lbIn .3s ease;
  }
  #lightbox[hidden]{display:none}
  @keyframes lbIn{from{opacity:0}}
  #lightbox figure{background:#FFFDF8;padding:14px 14px 16px;max-width:min(480px,88vw);animation:lbPop .35s cubic-bezier(.2,.9,.3,1.2)}
  @keyframes lbPop{from{transform:scale(.92);opacity:0}}
  #lightbox img{max-height:70vh;width:auto;max-width:100%;margin:0 auto}
  #lightbox figcaption{font-family:'Caveat',cursive;font-size:1.3rem;text-align:center;margin-top:12px;color:var(--ink2)}
  #lbClose{position:absolute;top:20px;right:22px;width:44px;height:44px;color:#F6EFE3;border:1px solid rgba(246,239,227,.35);border-radius:50%;display:flex;align-items:center;justify-content:center;transition:border-color .2s}
  #lbClose:hover{border-color:#F6EFE3}
  #lbClose svg{width:16px;height:16px}

  #question{background:#2A1916;color:#F6EFE3;text-align:center}
  #question .sec-kicker{color:var(--rose)}
  #question .sec-kicker::before{background:var(--rose)}
  #question h2{font-style:italic}
  #question h2 em{color:var(--rose)}
  .q-sub{font-weight:300;color:rgba(246,239,227,.72);margin-top:14px}
  .q-zone{position:relative;min-height:230px;display:flex;align-items:center;justify-content:center;margin-top:46px}
  .q-btns{display:flex;gap:20px;flex-wrap:wrap;justify-content:center;align-items:center}
  .btn-y,.btn-n{
    padding:1rem 2.4rem;font-size:1rem;font-weight:500;letter-spacing:.02em;
    transition:transform .25s ease,background-color .25s ease,color .25s ease,border-color .25s ease;
  }
  .btn-y{background:var(--red);color:#F6EFE3}
  .btn-y:hover{background:var(--red-d)}
  .btn-n{border:1px solid rgba(246,239,227,.4);color:rgba(246,239,227,.85)}
  .yes-msg{display:none;animation:lbIn .6s ease}
  #question.said .q-inner{display:none}
  #question.said .yes-msg{display:block}
  .yes-msg h3{font-family:'Caveat',cursive;font-size:clamp(2.6rem,7vw,4.2rem);font-weight:600;color:var(--rose)}
  .yes-msg p{font-family:'Cormorant Garamond',serif;font-style:italic;font-size:1.4rem;color:rgba(246,239,227,.85);margin-top:14px}

  footer{text-align:center;padding:74px 20px;border-top:1px solid var(--line)}
  footer .mono{justify-content:center;font-size:1.2rem;margin-bottom:10px;cursor:pointer;user-select:none}
  footer p{font-size:.82rem;color:var(--muted)}
  footer .fine{margin-top:4px;font-size:.72rem;letter-spacing:.14em}

  .tap-heart{position:fixed;z-index:95;pointer-events:none;transform:translate(-50%,-50%);animation:tapUp .9s ease-out forwards}
  .tap-heart svg{width:15px;height:15px;fill:var(--red)}
  @keyframes tapUp{to{transform:translate(-50%,-95px) rotate(14deg);opacity:0}}

  .toast{
    position:fixed;left:50%;bottom:26px;transform:translate(-50%,150%);z-index:96;
    background:var(--ink);color:var(--paper);padding:.75rem 1.2rem;font-size:.88rem;
    transition:transform .4s cubic-bezier(.2,.9,.3,1.2);max-width:calc(100vw - 40px);text-align:center;
  }
  .toast.show{transform:translate(-50%,0)}

  #fx{position:fixed;inset:0;z-index:85;pointer-events:none}


[hidden]{display:none!important}
body.sage{--paper:#eff2e8;--paper2:#fcfff7;--ink:#304333;--ink2:#425744;--red:#587554;--red-d:#3c593a;--rose:#bbcbb1;--muted:#5e735a;--line:#30433330;--washi:#bbcbb180}
body.night{--paper:#242b39;--paper2:#303a4b;--ink:#f6eee2;--ink2:#e3d8cc;--red:#e9ad90;--red-d:#c99377;--rose:#d6b29e;--muted:#c7b8a9;--line:#f6eee230;--washi:#b8886870}
body.night::after{mix-blend-mode:screen}body.night .env-front{background:#3b4659}body.night .env-flap{background:#4c5971}
header.scrolled{background:var(--paper)}.tl-card p,#letterBody p{white-space:pre-wrap;overflow-wrap:anywhere}.r-back .r-text{overflow-wrap:anywhere;font-size:1.05rem;max-height:100%;overflow:auto}.r-back{overflow:auto}.polaroid figcaption{overflow-wrap:anywhere}.tl-photo{max-width:100%}.hero-sub{white-space:pre-wrap}footer .mono{cursor:default}#closing{font-family:Georgia,serif;font-size:clamp(24px,4vw,36px);color:var(--ink);margin:0 auto 24px;max-width:650px;white-space:pre-wrap}#introText{max-width:42ch;text-align:center;padding:0 18px;font-size:14px;color:var(--muted)}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}.reveal{opacity:1;transform:none}.env-letter{transform:none}}

@media(min-width:820px){.tl-photo{grid-row:1;align-self:center}.tl-item:nth-child(odd)>.tl-photo{grid-column:2;justify-self:start;margin-left:0}.tl-item:nth-child(even)>.tl-photo{grid-column:1;justify-self:end}.tl-item:nth-child(even)>.tl-card{grid-column:2}.tl-item:nth-child(odd)>.tl-card{grid-column:1}}

.reason:focus-visible{outline:2px solid var(--red);outline-offset:5px}.r-back .r-text{display:block;white-space:pre-wrap}