/* Papel de algodão vinho, inspirado na referência fornecida. */
:root{--wine-paper:url('papel-vinho.png');--cream:#f3e4c9}
.envelope{background:#36151c var(--wine-paper) center/480px;box-shadow:1px 1px 1px #c7a08366,3px 5px 2px #13070c,10px 20px 24px #040b0788,25px 40px 60px #040b0799}
.flap{background-image:linear-gradient(145deg,#d28b9633,#24071122 60%,#16050d99),var(--wine-paper);background-size:100% 100%,480px;filter:drop-shadow(2px 5px 2px #090106cc)}
.flap:after{background:linear-gradient(31deg,transparent 49.4%,#c8939466 49.7%,#0e0209cc 50%,transparent 51%),linear-gradient(-31deg,transparent 49.4%,#c8939466 49.7%,#0e0209cc 50%,transparent 51%)}
.front{background-image:linear-gradient(145deg,#d5909b22,transparent 35%,#15030c66),var(--wine-paper);background-size:100% 100%,480px;box-shadow:inset 0 -2px 3px #16050d,inset 2px 0 2px #d59a9855}
.front:after{background:linear-gradient(32deg,transparent 49.3%,#14030a99 49.7%,#c39c8844 50%,transparent 50.6%),linear-gradient(-32deg,transparent 49.3%,#14030a99 49.7%,#c39c8844 50%,transparent 50.6%)}
.lining{background-image:var(--grain),repeating-linear-gradient(45deg,#32151f 0 6px,#b89a6544 6px 7px,#48202c 7px 13px);box-shadow:inset 0 10px 25px #0c010bc9}
.address{color:#edddbc;text-shadow:0 1px 0 #12010b,0 -1px 0 #ffffff11;font-style:italic;font-size:18px;letter-spacing:.5px;bottom:29px}
.seal{background-image:radial-gradient(ellipse at 24% 10%,#ffd5b9b3 0%,#d2978966 5%,transparent 15%),radial-gradient(ellipse at 79% 88%,#e2a895aa,transparent 14%),radial-gradient(ellipse at 30% 25%,#8d4a4c,#3c0c1c 58%,#210713 80%,#642633 97%);color:#210715;text-shadow:0 1px 1px #d89582,0 -1px 1px #070009;box-shadow:inset 2px 3px 2px #e3b49b99,inset -3px -4px 3px #13000dee,inset 0 0 0 5px #542030,2px 4px 1px #12020bcc,6px 11px 10px #100309bb;font-family:'Edwardian Script ITC','Monotype Corsiva','Brush Script MT',cursive;font-size:47px}
.seal:before{border:1px solid #220411;box-shadow:0 1px 1px #d0927d,inset 0 2px 3px #10000bee}.seal:after{border-top-color:#f4d4b299}
.letter{color:var(--cream);background-color:#4a1e2b;background-image:linear-gradient(0deg,transparent 49.6%,#12010b55 49.9%,#edc4a544 50.1%,transparent 50.6%),radial-gradient(ellipse at 22% 15%,#bd7b8a22,transparent 60%),var(--wine-paper);background-size:100% 100%,100% 100%,480px;border:1px solid #9b64684d;box-shadow:inset 0 0 28px #16010d55,1px 2px 1px #d7afa666,5px 8px 9px #17071299,14px 28px 32px #030b08aa;text-shadow:0 1px 1px #180710}
.letter:before{border-color:#d5b78b55;box-shadow:inset 0 0 0 3px #16050d22}
.letter h2{font-family:'Edwardian Script ITC','Monotype Corsiva','Brush Script MT',Georgia,serif;color:#f6e7cb;font-size:40px;line-height:1.15;font-weight:400;margin:9px 0 18px}.letter strong{color:#fff0cb}.letter .eyebrow{color:#d9bf9b}.letter p{color:#f1e0c6}
.details{border-color:#d0b28555}.details small{color:#d8bda0}.signature{font-family:'Edwardian Script ITC','Monotype Corsiva','Brush Script MT',Georgia,serif;font-size:40px;color:#f4e4c4;text-shadow:0 1px 1px #16030b}
.tree{filter:sepia(1) saturate(.4) brightness(2.2) drop-shadow(0 1px 0 #19050f)}
@media(max-width:600px){.address{font-size:15px}.letter h2{font-size:34px}.signature{font-size:34px}.seal{font-size:41px}.letter{background-size:100% 100%,100% 100%,380px}.letter p{line-height:1.6}}
.envelope{background-size:cover;background-repeat:no-repeat}
.flap,.front{background-size:100% 100%,cover;background-repeat:no-repeat}
.letter{background-size:100% 100%,100% 100%,cover;background-repeat:no-repeat}
@media print{.letter{-webkit-print-color-adjust:exact;print-color-adjust:exact}}