/* ===== База ===== */
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font:400 clamp(16px,.4vw + 14.5px,18px)/1.65 var(--fb);overflow-x:hidden;transition:background .5s,color .5s}
body.locked{overflow:hidden}
body::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:var(--noise);mix-blend-mode:var(--blend,multiply);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .32 0 0 0 0 .26 0 0 0 0 .18 0 0 0 .55 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}
a{color:inherit}
svg{display:block}
.sheet,main,.hero,.fin{position:relative;z-index:1}

/* ===== Палитра ===== */
:root{--bg:#E4D8C0;--paper:#F6F0E2;--ink:#2B2622;--muted:#6E645A;--line:#CDBFA3;--accent:#7B2D2B;--gold:#A98A55;--gt:#7A5F2E;--fd:'Cormorant Garamond',serif;--fb:'Lora',serif;--noise:.3;--r:2px;--h1:clamp(54px,16vw,118px)}


/* ===== Типографика секций ===== */
.sec{padding:clamp(56px,10vw,120px) 22px}
.wrap{max-width:660px;margin:0 auto}
.center{text-align:center}
.kicker{font:500 12px/1.2 var(--fb);letter-spacing:.3em;text-transform:uppercase;color:var(--gt);text-align:center;margin-bottom:14px}
.h2{font:500 clamp(34px,7vw,56px)/1.1 var(--fd);text-align:center;margin-bottom:28px;text-wrap:balance}
.lead{color:var(--muted);max-width:30em;margin:0 auto 32px;text-wrap:pretty}
.divider{width:min(240px,60%);height:24px;margin:0 auto 36px;color:var(--gold)}
/* Веточки в разделителях прорастают при появлении */
@property --grow{syntax:'<number>';inherits:true;initial-value:1}
.dv{stroke-dasharray:1 2;stroke-dashoffset:calc(1 - clamp(0,(var(--grow)*1.3 - var(--d))*4,1))}
.dv:first-child{stroke-dashoffset:calc(1 - var(--grow))}
html.js .divider{--grow:0;transition:--grow 1.8s cubic-bezier(.3,.6,.3,1) .25s}
html.js .divider.in{--grow:1}
/* Карандашная линия под датой и ключевой фразой */
.pen{position:relative;display:inline-block}
.pen-l{position:absolute;left:-3%;bottom:-9px;width:106%;height:10px;overflow:visible;pointer-events:none;fill:none;stroke:#5b524a;stroke-linecap:round}
.pen-l path{stroke-dasharray:1 2;stroke-dashoffset:1;transition:stroke-dashoffset 1.1s cubic-bezier(.4,.1,.2,1)}
.pen-l path:nth-child(2){transition-delay:.25s;opacity:.5}
.pen.in .pen-l path{stroke-dashoffset:0}
/* Почтовая марка, штемпель и «Кому:» */
.stamp{position:absolute;top:22px;right:22px;width:62px;aspect-ratio:90/110;height:auto;filter:drop-shadow(0 3px 5px rgba(60,40,20,.25));transform:rotate(4deg)}
.postmark{position:absolute;top:44px;right:30px;width:118px;aspect-ratio:130/60;height:auto;color:#4f463f;opacity:.62;mix-blend-mode:multiply;transform:rotate(-13deg);pointer-events:none}
.to{margin-top:18px;font:italic 500 clamp(20px,4.6vw,26px)/1.3 var(--fd);color:var(--muted)}
.to b{font-weight:500;color:var(--ink)}
@media(min-width:700px){.stamp{width:84px;top:34px;right:36px}.postmark{width:160px;top:62px;right:46px}}
html.js body:not(.opened) .stamp,html.js body:not(.opened) .postmark{opacity:0}
.stamp{transition:opacity .5s ease .3s,transform .8s cubic-bezier(.2,.8,.3,1.2) .3s}
.postmark{transition:opacity .4s ease 1.1s,transform .45s cubic-bezier(.3,1.6,.5,1) 1.1s}
html.js body:not(.opened) .stamp{transform:translateY(-22px) rotate(-8deg) scale(1.12)}
html.js body:not(.opened) .postmark{transform:rotate(-13deg) scale(1.6)}
/* Разделы-открытки: вкладыши с уголками, выдвигаются при появлении */
.card{position:relative;background:#FBF7EC;border:1px solid var(--line);box-shadow:inset 0 0 0 5px #FBF7EC,inset 0 0 0 6px rgba(169,138,85,.28),0 22px 34px -24px rgba(60,40,20,.5);padding:clamp(30px,6vw,52px) clamp(18px,5vw,46px);transform:rotate(var(--rot,0deg))}
.card::before,.card::after{content:"";position:absolute;width:30px;height:30px;pointer-events:none}
.card::before{top:-1px;left:-1px;background:linear-gradient(135deg,#C2AB82 50%,transparent 50%)}
.card::after{bottom:-1px;right:-1px;background:linear-gradient(-45deg,#C2AB82 50%,transparent 50%)}
html.js .card{opacity:0;transform:translateY(48px) rotate(calc(var(--rot,0deg) * 5));transition:opacity .9s ease,transform 1s cubic-bezier(.2,.8,.25,1)}
html.js .card.in{opacity:1;transform:rotate(var(--rot,0deg))}
/* Таймлайн: время как штемпели на пунктирной ленте */
.sec .tl::before{left:37px;top:6px;bottom:20px;width:1.5px;background:repeating-linear-gradient(to bottom,var(--gold) 0 5px,transparent 5px 11px);opacity:.6}
.sec .tl li{display:grid;grid-template-columns:76px 1fr;column-gap:14px;padding:0 0 28px}
.sec .tl li::before{display:none}
.sec .tl .tm{grid-row:1/3;align-self:start;justify-self:center;position:relative;z-index:1;margin:2px 0 0;padding:4px 9px;background:#FBF7EC;color:#7B2D2B;border:1.5px solid rgba(123,45,43,.72);outline:1px solid rgba(123,45,43,.4);outline-offset:2px;border-radius:3px;font-size:13px;letter-spacing:.08em;transform:rotate(-3deg)}
.sec .tl li:nth-child(even) .tm{transform:rotate(2.5deg)}
.sec .tl h3,.tl p{grid-column:2}
/* Приглашение, дни программы, карточки мест */
.invite-t{font:italic 500 clamp(22px,4.8vw,30px)/1.5 var(--fd);text-align:center;text-wrap:pretty;max-width:26em;margin:0 auto}
.sec .tl li.tl-day{display:block;padding:2px 0 16px}
.tl-day span{display:inline-block;position:relative;z-index:1;background:#FBF7EC;padding:0 12px 0 0;font:italic 500 clamp(22px,4.5vw,26px)/1.2 var(--fd);color:var(--gt)}
.tl-day:not(:first-child){padding-top:6px}
.venues{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:8px;text-align:center}
.venue{border:1px solid var(--line);background:#FFFDF7;padding:24px 18px 26px;box-shadow:0 14px 22px -20px rgba(60,40,20,.5)}
.venue h3{font:500 clamp(24px,4.5vw,30px)/1.2 var(--fd);margin-bottom:8px}
.v-t{font-size:.92em;color:var(--muted);margin-bottom:6px;text-wrap:balance}
.v-a{margin-bottom:20px;text-wrap:balance}
.venue .btn{padding-inline:14px;letter-spacing:.12em;white-space:nowrap}
/* Фото-снимки с уголками */
.sec.snaps-sec{padding-block:clamp(10px,3vw,30px)}
.snaps{max-width:660px;margin:0 auto;display:grid;gap:0}
.snap{position:relative;width:88%;background:#FFFDF7;padding:10px 10px 30px;box-shadow:0 0 0 1px rgba(169,138,85,.28),0 22px 30px -22px rgba(60,40,20,.55);transform:rotate(var(--rot,0deg))}
.snap:nth-child(2){margin:-14px 0 0 auto}
.snap img{display:block;width:100%;height:auto;background:#d9ccb2}
.snap::before,.snap::after{content:"";position:absolute;width:30px;height:30px;pointer-events:none;z-index:1}
.snap::before{top:4px;left:4px;background:linear-gradient(135deg,#C2AB82 50%,transparent 50%)}
.snap::after{bottom:4px;right:4px;background:linear-gradient(-45deg,#C2AB82 50%,transparent 50%)}
html.js .snap{opacity:0;transform:translateY(44px) rotate(calc(var(--rot,0deg) * 4));transition:opacity .9s ease,transform 1s cubic-bezier(.2,.8,.25,1)}
html.js .snap.in{opacity:1;transform:rotate(var(--rot,0deg))}
@media(min-width:700px){.snaps{grid-template-columns:1fr 1fr;gap:26px;align-items:start}.snap{width:100%}.snap:nth-child(2){margin:38px 0 0}}
/* Подкладка клапана и трескающаяся печать */
.fl-in{opacity:0}
.intro.open .fl-in{animation:flIn .8s linear .35s forwards}
.intro.open .fl-out{animation:flOut .8s linear .35s forwards}
@keyframes flIn{0%,49%{opacity:0}50%,100%{opacity:1}}
@keyframes flOut{0%,49%{opacity:1}50%,100%{opacity:0}}
.sh,.cr{transform-box:view-box;transform-origin:100px 100px}
.sh{transition:transform .8s cubic-bezier(.3,.1,.5,1) .28s,opacity .5s ease .5s}
.crack{fill:none;stroke:#2a0d0c;stroke-opacity:.8;stroke-width:2;stroke-linecap:round;stroke-dasharray:1 2;stroke-dashoffset:1;transition:stroke-dashoffset .24s ease-out,opacity .3s ease .5s}
.cr{fill:#7B2D2B;opacity:0}
.intro.open .crack{stroke-dashoffset:0;opacity:0}
.intro.open .shTL{transform:translate(-52px,-34px) rotate(-24deg);opacity:0}
.intro.open .shTR{transform:translate(48px,-40px) rotate(20deg);opacity:0}
.intro.open .shBR{transform:translate(38px,80px) rotate(28deg);opacity:0}
.intro.open .shBL{transform:translate(-44px,86px) rotate(-18deg);opacity:0}
.intro.open .cr{animation:crumb .9s cubic-bezier(.2,.6,.4,1) .3s both}
@keyframes crumb{0%{opacity:0;transform:none}15%{opacity:1}100%{opacity:0;transform:translate(var(--x),var(--y))}}
/* Золотые искры при нажатии на печать */
.sp{transform-box:view-box;transform-origin:100px 100px;fill:#D4A02E;stroke:#D4A02E;stroke-width:4.5;filter:drop-shadow(0 0 2px rgba(255,240,190,.95));stroke-linecap:round;opacity:0;pointer-events:none}
.sp-dot{stroke:none;r:4.5px}
.intro.open .sp{animation:spark .8s cubic-bezier(.15,.7,.3,1) .04s both}
@keyframes spark{0%{opacity:0;transform:rotate(var(--a)) translateY(-50px) scale(.8)}10%{opacity:1}100%{opacity:0;transform:rotate(var(--a)) translateY(calc(var(--d) * -1)) scale(1)}}
/* Финал: письмо складывается в конверт, печать ставится, «До встречи!» */
.fold{margin:76px auto 40px;text-align:center}
.fe{width:min(68vw,260px);margin:0 auto;cursor:default}
.fe .env-letter b{font-size:15px}
.fe .env-letter small{font-size:7px}
.fe:not(.shut) .env-letter{transform:translateY(-46%);box-shadow:0 14px 24px -12px rgba(60,40,20,.5)}
.fe.shut .env-letter{transform:none;box-shadow:0 1px 3px rgba(0,0,0,.15);transition:transform 1s cubic-bezier(.5,0,.3,1),box-shadow 1s ease}
.fe:not(.shut) .env-flap{transform:scaleY(-1);z-index:1;filter:brightness(.94)}
.fe.shut .env-flap{animation:flapClose .8s cubic-bezier(.45,0,.25,1) .9s both}
.fe:not(.shut) .fl-in{opacity:1}
.fe:not(.shut) .fl-out{opacity:0}
.fe.shut .fl-in{animation:flOut .8s linear .9s both}
.fe.shut .fl-out{animation:flIn .8s linear .9s both}
@keyframes flapClose{0%{transform:scaleY(-1);z-index:1;filter:brightness(.94)}49%{transform:scaleY(-.01);z-index:1}50%{transform:scaleY(.01);z-index:4}100%{transform:scaleY(1);z-index:4;filter:none}}
.fe .env-seal{opacity:0;transform:translate(-50%,-50%) scale(1.8);transition:none}
.fe.shut .env-seal{opacity:1;transform:translate(-50%,-50%) scale(1);transition:opacity .15s ease 1.72s,transform .4s cubic-bezier(.3,1.7,.5,1) 1.72s}
.fold-t,.fold-sign{opacity:0;transform:translateY(12px);transition:opacity .9s ease,transform .9s ease}
.fold-t{margin-top:34px;font:italic 500 clamp(30px,7vw,48px)/1.15 var(--fd)}
.fold-sign{margin-top:6px;font:500 13px/1.4 var(--fb);letter-spacing:.28em;text-transform:uppercase;color:var(--muted)}
.fe.shut~.fold-t{opacity:1;transform:none;transition-delay:2.3s}
.fe.shut~.fold-sign{opacity:1;transform:none;transition-delay:2.6s}
/* Водяной знак-монограмма в пустых зонах */
.wm{position:absolute;z-index:-1;left:50%;width:min(80vw,520px);aspect-ratio:1;height:auto;transform:translateX(-50%);color:var(--gold);opacity:.1;pointer-events:none}
.hero .wm{top:60%;width:min(72vw,420px);transform:translate(-50%,-50%);-webkit-mask-image:linear-gradient(#000 70%,transparent);mask-image:linear-gradient(#000 70%,transparent)}
.fin{overflow:hidden}
.fin .wm{top:6%;opacity:.08}
.btn{display:inline-block;font:500 13px/1 var(--fb);letter-spacing:.2em;text-transform:uppercase;text-decoration:none;color:var(--ink);background:transparent;border:1px solid var(--ink);border-radius:var(--r);padding:17px 30px;min-height:48px;cursor:pointer;transition:background .25s,color .25s}
.btn:hover,.btn:focus-visible{background:var(--ink);color:var(--paper)}
.btn.ghost{border-color:var(--line);color:var(--muted)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* Появление */
html.js .rv{opacity:0;transform:translateY(22px);transition:opacity .9s ease,transform .9s cubic-bezier(.2,.7,.2,1)}
html.js .rv.in{opacity:1;transform:none}

/* ===== Hero ===== */
.hero{min-height:100svh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:72px 22px 110px;overflow:hidden}
.hero .mono{width:clamp(84px,22vw,128px);height:clamp(84px,22vw,128px);color:var(--gold);margin-bottom:26px}
.mono{color:var(--gold)}
.eyebrow{font:500 12px/1 var(--fb);letter-spacing:.34em;text-transform:uppercase;color:var(--muted)}
.names{font:500 var(--h1)/.98 var(--fd);margin:.35em 0 .25em;overflow-wrap:anywhere}
.names .n,.names .amp{display:block}
.names .amp{font-style:italic;font-weight:400;font-size:.46em;line-height:1.3;color:var(--gold)}
.hero-meta{display:flex;gap:14px;align-items:center;font:500 13px/1.3 var(--fb);letter-spacing:.24em;text-transform:uppercase}
.hero-meta i{width:5px;height:5px;transform:rotate(45deg);background:var(--gold)}
.cue{position:absolute;bottom:92px;left:50%;width:22px;height:38px;margin-left:-11px}
.cue span{display:block;width:1px;height:100%;margin:0 auto;background:linear-gradient(var(--gold),transparent);animation:cue 2.4s ease-in-out infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1)}100%{transform:scaleY(1);opacity:0}}

/* Обратный отсчёт */
.cd{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;max-width:520px;margin:0 auto}
.cd b{display:block;font:500 clamp(38px,11vw,68px)/1 var(--fd);font-variant-numeric:lining-nums tabular-nums}
.cd span{font:500 11px/1 var(--fb);letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.cd-done{font:italic 500 clamp(26px,6vw,40px)/1.2 var(--fd);color:var(--gt);margin-top:8px}

/* История */
.story article{padding:0 0 26px;text-align:center}
.story h3,.tl h3{font:500 clamp(22px,4vw,28px)/1.2 var(--fd);margin-bottom:6px}
.story p{color:var(--muted);max-width:30em;margin:0 auto;text-wrap:pretty}

/* Таймлайн */
.tl{list-style:none;padding:0;margin:40px auto 0;max-width:460px;position:relative}
.tl::before{content:"";position:absolute;left:5px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl li{position:relative;padding:0 0 34px 38px}
.tl li::before{content:"";position:absolute;left:0;top:4px;width:11px;height:11px;border-radius:50%;background:var(--paper);border:1px solid var(--gold)}
.tm{display:block;font:500 13px/1.2 var(--fb);letter-spacing:.2em;color:var(--gt);margin-bottom:4px}
.tl p{color:var(--muted);font-size:.94em}

/* Карта */

/* Палитра */

/* Форма */
form{margin-top:8px}
.fld{display:block;margin-bottom:26px}
.fld>span,legend{display:block;font:500 12px/1.2 var(--fb);letter-spacing:.22em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
input,textarea,button{font:inherit;color:inherit}
.fld input,.fld textarea{width:100%;background:transparent;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:10px 0;font-size:17px;outline:0}
.fld input:focus,.fld textarea:focus{border-bottom-color:var(--accent)}
.fld textarea{resize:vertical}
fieldset{border:0;padding:0;margin:0 0 26px}
.seg{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.seg legend{grid-column:1/-1;float:left;width:100%}
.seg label{position:relative}
.seg input{position:absolute;opacity:0}
.seg span{display:flex;align-items:center;justify-content:center;min-height:50px;padding:10px;text-align:center;border:1px solid var(--line);border-radius:var(--r);cursor:pointer;transition:.25s}
.seg input:checked+span{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.seg input:focus-visible+span{outline:2px solid var(--accent);outline-offset:3px}
.hp{position:absolute;left:-9999px;width:1px;height:1px;opacity:0}
#send{width:100%;margin-top:6px}
#send[disabled]{opacity:.55;cursor:progress}
.fs{min-height:1.6em;margin-top:14px;text-align:center;font-size:.94em;color:var(--muted)}
.fs.err{color:var(--accent)}
.thanks{text-align:center;padding:30px 0}
.thanks h3{font:500 clamp(26px,5vw,34px)/1.2 var(--fd);margin-bottom:8px}
.thanks p{color:var(--muted);margin-bottom:22px}


/* Финал */
.fin{text-align:center;padding:60px 22px 90px}
.fin .mono{width:84px;height:84px;margin:0 auto 22px}
.fin-t{font:italic 500 clamp(28px,6.5vw,46px)/1.2 var(--fd);max-width:16em;margin:0 auto 10px;text-wrap:balance}
.fin-n{font:500 12px/1 var(--fb);letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}

/* Музыка */
.music{position:fixed;right:12px;top:12px;z-index:90;background:var(--paper);color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:9px 14px;font:500 12px/1 var(--fb);letter-spacing:.14em;text-transform:uppercase;cursor:pointer}
.music[aria-pressed=true]{background:var(--ink);color:var(--paper)}


/* ===== Конверт ===== */
.intro{position:fixed;inset:0;z-index:200;display:none;flex-direction:column;align-items:center;justify-content:center;gap:34px;background:#E4D8C0 radial-gradient(ellipse at 50% 40%,#EFE5D0,#DACBAB)}
.intro{display:flex}
.intro.done{opacity:0;visibility:hidden;transition:opacity .9s ease .1s,visibility 0s 1s}
.env{position:relative;display:block;width:min(84vw,440px);aspect-ratio:3/2;padding:0;border:0;background:none;cursor:pointer;-webkit-tap-highlight-color:transparent}
.env>span{position:absolute;display:block}
.env-back{inset:0;z-index:0;background:#D6C5A4;border-radius:3px;box-shadow:0 30px 50px -22px rgba(60,40,20,.55)}
.env-letter{left:6%;right:6%;top:7%;bottom:2%;z-index:2;padding-top:16%;background:#FBF7EC;display:flex!important;flex-direction:column;align-items:center;justify-content:flex-start;gap:4px;text-align:center;transition:transform 1.1s cubic-bezier(.5,0,.2,1) .9s,box-shadow 1s ease .9s;box-shadow:0 1px 3px rgba(0,0,0,.15)}
.env-letter small{font:500 9px/1 var(--fb);letter-spacing:.3em;text-transform:uppercase;color:#7A5F2E}
.env-letter b{font:italic 500 clamp(18px,5.4vw,28px)/1.1 'Cormorant Garamond',serif;color:#2B2622}
.env-front{inset:0;z-index:3}
.env-front svg,.env-back svg{width:100%;height:100%;display:block}
.env-back svg{border-radius:3px}
.env-flap{left:0;right:0;top:0;height:55%;z-index:4;transform-origin:top}
.env-flap svg{width:100%;height:100%;overflow:visible}
.env-seal{overflow:visible;position:absolute;left:50%;top:55%;width:21%;aspect-ratio:1;height:auto;transform:translate(-50%,-50%);z-index:5;filter:drop-shadow(0 4px 5px rgba(60,20,20,.45));transition:opacity .35s,transform .35s}
.intro-hint{font:500 12px/1 'Lora',serif;letter-spacing:.3em;text-transform:uppercase;color:#6E645A;animation:pulse 2.4s ease-in-out infinite;transition:opacity .3s}
@keyframes pulse{50%{opacity:.4}}
.intro.open .env-flap{animation:flapOpen .8s cubic-bezier(.45,0,.25,1) .35s forwards}
@keyframes flapOpen{0%{transform:scaleY(1);z-index:4}49%{transform:scaleY(.01);z-index:4}50%{transform:scaleY(.01);z-index:1}100%{transform:scaleY(-1);z-index:1;filter:brightness(.94)}}
.intro.open .env-letter{transform:translateY(-46%);box-shadow:0 16px 28px -14px rgba(60,40,20,.55)}
.intro.open .intro-hint{opacity:0;animation:none}
.env:hover .env-seal{transform:translate(-50%,-50%) scale(1.05)}
.intro.open .env-seal{pointer-events:none}
.sheet{max-width:780px;margin:0 auto;background:var(--paper);box-shadow:0 0 0 1px rgba(90,70,40,.12),0 40px 80px -40px rgba(60,40,20,.5)}
.sheet::after{content:"";position:absolute;inset:14px;border:1px solid var(--line);pointer-events:none;z-index:0;outline:1px solid var(--line);outline-offset:-5px}
.names{font-weight:500}
.names .amp{font-size:.5em}
@media(min-width:820px){body{padding:40px 0 0}}

/* ===== Доступность движения ===== */
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  html.js .rv{opacity:1;transform:none;transition:none}
  html.js .divider{--grow:1;transition:none}
  .pen-l path{stroke-dashoffset:0;transition:none}
  .stamp,.postmark{transition:none!important}
  html.js .card,html.js .snap{opacity:1;transform:rotate(var(--rot,0deg));transition:none}
  .cue span,.intro-hint{animation:none}
  .env-letter,.env-seal{transition-duration:.01s;transition-delay:0s}
  .sh,.crack{transition-duration:.01s;transition-delay:0s}
  .fe.shut .env-letter,.fe.shut .env-seal,.fold-t,.fold-sign{transition-duration:.01s!important;transition-delay:0s!important}
  .fe.shut .env-flap,.fe.shut .fl-in,.fe.shut .fl-out{animation-duration:.01s;animation-delay:0s}
  .intro.open .cr,.intro.open .sp{animation:none;opacity:0}
  .intro.open .fl-in,.intro.open .fl-out{animation-duration:.01s;animation-delay:0s}
  .intro.open .env-flap{animation-duration:.01s;animation-delay:0s}
}
@media(max-width:380px){.btn{padding-inline:20px;letter-spacing:.14em}.cd span{letter-spacing:.1em}}