@font-face{font-family:Jost;src:url('assets/Jost-Regular.ttf')}@font-face{font-family:Noto;src:url('assets/NotoSerifDisplay-Regular.ttf')}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#FAF4EA;color:#4A3929;font:18px/1.65 Jost,sans-serif}header{max-width:1240px;margin:auto;padding:24px 6%;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid #4a392930;gap:24px}header img{width:155px;height:auto}nav{display:flex;gap:24px;flex-wrap:wrap}a{color:inherit;text-underline-offset:5px}main{max-width:1160px;margin:auto;padding:64px 36px}h1,h2,h3{font-family:Noto,Georgia,serif;font-weight:400;line-height:1.15}h1{font-size:clamp(42px,6vw,78px);max-width:850px;margin:20px 0 30px;letter-spacing:-2px}h2{font-size:36px;margin:0 0 24px}h3{font-size:26px}p{max-width:780px}.eyebrow{color:#A64B32;font-size:14px;letter-spacing:2px;text-transform:uppercase}.intro{font-size:23px;max-width:730px}.hero{padding:12px 0 74px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;margin:40px 0}.offer{border-top:3px solid #A64B32;padding-top:26px}.offer .price{font-family:Noto;font-size:42px;margin:22px 0}.offer p{font-size:17px}.button,button{display:inline-block;background:#A64B32;color:#FAF4EA;border:0;border-radius:4px;padding:13px 22px;font:inherit;cursor:pointer;text-decoration:none;line-height:1.3}.secondary{background:transparent;color:#4A3929;border:1px solid #4A3929}.band{border-top:1px solid #4a392935;border-bottom:1px solid #4a392935;padding:42px 0;margin:42px 0}.quiet{font-size:15px;color:#685745}label{display:block;margin:18px 0 7px}input,select,textarea{width:100%;max-width:650px;background:#FAF4EA;border:1px solid #4a392965;padding:12px;border-radius:3px;color:#4A3929;font:inherit}textarea{min-height:160px}input:focus,textarea:focus,button:focus,a:focus,select:focus{outline:3px solid #5C6B3D;outline-offset:3px}.row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.hidden{display:none!important}[role=status]{padding:15px 0;white-space:pre-line}.warning{padding:16px 22px;border-left:3px solid #A64B32;background:#e59a7f20}.chapters{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.chapter{padding:24px;border:1px solid #4a392930;background:transparent;color:#4A3929;text-align:left}.chapter small{display:block;margin-bottom:12px;color:#A64B32}.reading{max-width:750px;margin:auto}.reading h1{font-size:48px;letter-spacing:-1px}.reading section{padding:22px 0;border-bottom:1px solid #4a392920}.reading .letter{font-family:Noto;font-size:21px;line-height:1.75}.reading li{margin:12px 0}.resources{display:flex;gap:20px;flex-wrap:wrap;margin:28px 0}.seat{padding:16px 0;border-bottom:1px solid #4a392930;display:flex;justify-content:space-between;align-items:center;gap:20px}.code{overflow-wrap:anywhere;font-family:monospace;font-size:15px}footer{max-width:1160px;margin:auto;padding:35px;border-top:1px solid #4a392930;font-size:14px}details{padding:18px 0;border-bottom:1px solid #4a392930}summary{cursor:pointer;font-size:21px}section{scroll-margin-top:20px}button:disabled{opacity:.6;cursor:wait}@media(max-width:700px){header{padding:20px;align-items:flex-start}header img{width:120px}nav{gap:10px;font-size:14px}main{padding:35px 22px}.grid,.chapters{grid-template-columns:1fr;gap:30px}h1{letter-spacing:-1px}.intro{font-size:20px}.hero{padding-bottom:32px}.reading h1{font-size:37px}.reading .letter{font-size:19px}.seat{align-items:flex-start;flex-direction:column}.button,button{font-size:17px}.resources{flex-direction:column}}@media print{header,footer,button,.resources,.row{display:none}main{padding:0}.reading{max-width:none}body{font-size:12pt}}

/* Identidad del producto Cartas, tomada de su web publicada. */
:root{--paper:#FAF4EA;--paper2:#F2E9DA;--ink:#4A3929;--terra:#A64B32;--dark:#1C1509;--light:#EDE2CF}
header{max-width:none;background:var(--dark);color:var(--light);padding:20px 5%;border:0}header>a{display:flex;align-items:center;gap:12px;text-decoration:none;font-family:Noto,Georgia,serif;font-size:19px}header img{width:40px;height:40px;object-fit:contain}nav{font-size:12px;text-transform:uppercase;letter-spacing:.1em;align-items:center}nav a{text-decoration:none}nav a:last-child{border:1px solid #ede2cf70;border-radius:40px;padding:10px 16px}.landing header{position:absolute;z-index:2;top:0;left:0;width:100%;background:transparent}.landing .hero{min-height:790px;padding:145px 24px 70px;text-align:center;color:var(--light);background:linear-gradient(180deg,#120d05b8,#120d058f 40%,#1c1509 100%),url('assets/cartas/carta-sellada.webp') center 22%/cover}.hero-content{max-width:800px;margin:auto}.hero-seal{width:80px;height:80px;object-fit:contain}.hero h1{margin:20px auto;font-size:clamp(45px,7vw,78px);line-height:1.06;letter-spacing:-.025em}.hero .eyebrow{color:#E59A7F;font-size:10px;letter-spacing:.3em}.received,.hero-sub{font-family:Noto,Georgia,serif;font-style:italic;font-size:clamp(21px,3vw,28px);margin:12px auto;color:#E7C9A8}.hero .intro{font-size:18px;line-height:1.85;max-width:580px;margin:32px auto}.hero .quiet{color:var(--light);margin:25px auto 0}.hero .button{background:#A64B32;color:#FAF4EA;letter-spacing:.12em;text-transform:uppercase;font-size:12px;padding:20px 28px}.button,button{border-radius:2px}.eyebrow{font-size:11px;letter-spacing:.22em}.letter-preview{text-align:center;padding:70px 0}.letter-preview h2{max-width:800px;margin:auto;font-size:clamp(32px,4vw,47px)}.letter-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:30px 18px;margin-top:42px;text-align:left}.letter-grid img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:13px;box-shadow:0 8px 24px #2a1f1417}.letter-grid h3{font-size:20px;margin:6px 0}.letter-grid .eyebrow{margin:12px 0 0;font-size:10px;letter-spacing:.1em}#modalidades{padding-top:45px}.offer{border-color:#A64B32}.offer h2{font-size:38px}.offer .price{font-size:36px}.print-kit{background:var(--paper2);padding:40px;margin:55px 0;border:1px solid #DBCBAE}.resources{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.resources a{padding:20px;border:1px solid #DBCBAE;background:var(--paper2);text-decoration:none;font-size:17px}.resources a::before{content:'↓ ';color:var(--terra)}.resources-title{margin-top:40px}.chapters{gap:24px}.chapter{display:flex;padding:0;overflow:hidden;background:var(--paper2);border-color:#DBCBAE;align-items:center;line-height:1.25;font-family:Noto,Georgia,serif;font-size:23px}.chapter-art{width:120px;height:160px;object-fit:cover;flex-shrink:0}.chapter-copy{padding:22px}.chapter small{font-family:Jost,sans-serif;font-size:10px;letter-spacing:.12em}.reading-art{display:block;width:100%;max-height:300px;object-fit:cover;object-position:center 35%;margin:36px 0;border-radius:8px}.reading .letter{background:var(--paper2);padding:32px;border:1px solid #DBCBAE}.reading h2{font-size:30px}footer{font-size:13px;color:#6B5440}button:hover,.button:hover{filter:brightness(.92)}a:hover{text-decoration:underline}#login{max-width:720px;margin:auto}#login:before{content:'';display:block;height:75px;background:url('assets/cartas/favicon-carta-sellada-180.png') left center/75px no-repeat}#message:empty{display:none}
@media(max-width:700px){header>a{font-size:15px;max-width:180px}header img{width:30px;height:30px}.landing header{position:relative;background:var(--dark)}header{gap:12px;padding:15px 18px}nav{font-size:10px;gap:10px}nav a:last-child{padding:7px 10px}.landing .hero{padding:40px 22px 55px;min-height:0}.hero .intro{font-size:17px}.letter-preview{padding:45px 0}.letter-grid{grid-template-columns:repeat(2,1fr);gap:25px 15px}.letter-grid h3{font-size:20px}.resources{grid-template-columns:1fr}.print-kit{padding:25px}.chapter-art{width:100px;height:145px}.chapter-copy{padding:18px}.reading .letter{padding:24px 20px}.reading-art{max-height:250px}.hero .quiet{font-size:13px}#home h1{font-size:40px}}
@media print{body{background:#fff;color:#2A1F14}.reading-art{max-width:180px;max-height:180px}.reading .letter{background:transparent;border:0;padding:0}h1,h2,h3{break-after:avoid}p{orphans:3;widows:3}.chapter{break-inside:avoid}}

.group-mechanism{padding:45px 0}.group-mechanism ol{padding-left:24px;max-width:850px}.group-mechanism li{padding:12px 0 12px 8px}.group-mechanism strong{color:#A64B32}.group-mechanism h2{max-width:800px}

/* Selección de modalidad y ventanas de detalle. */
.landing .hero{min-height:620px;padding-top:120px;padding-bottom:45px}.landing main{padding-top:25px}#modalidades{padding-top:30px}#modalidades>h2{max-width:820px}.grid{align-items:stretch;gap:20px}.offer{border:1px solid #DBCBAE;padding:28px;display:flex;flex-direction:column;background:var(--paper)}.offer.featured{background:var(--paper2);border:2px solid var(--terra)}.offer .buy,.offer>[data-dialog]{margin-top:auto;width:100%}.offer .eyebrow{margin:0 0 12px}.offer h2{margin-bottom:12px}.offer select{margin-bottom:8px}.offer .quiet{margin-bottom:0}.decision-help{padding:35px 0 65px}.decision-help .button{margin:12px}.group-mechanism{border-top:1px solid #DBCBAE;margin-top:45px}.group-mechanism ol{display:grid;grid-template-columns:1fr 1fr;gap:15px 40px;max-width:none}.modal-open{overflow:hidden}dialog{border:1px solid #DBCBAE;background:var(--paper);color:var(--ink);padding:40px;width:min(640px,calc(100% - 32px));max-height:88dvh;overflow:auto;border-radius:10px;box-shadow:0 24px 80px #1c150950}dialog::backdrop{background:#1c1509b5;backdrop-filter:blur(4px)}dialog h2{padding-right:30px;font-size:34px}dialog .dialog-close{position:absolute;right:14px;top:12px;padding:10px;background:transparent;color:var(--ink);line-height:1;font-size:22px}dialog label{font-size:16px}dialog input,dialog select{font-size:17px}dialog .button{display:block;text-align:center;margin:16px 0}dialog [data-close]:not(.dialog-close){width:100%}.checkout-total{display:flex;justify-content:space-between;align-items:center;gap:20px;padding-top:25px}.checkout-total strong{font-size:32px;font-family:Noto,serif}.support-option summary{font-size:18px}.support-option small{display:block;font:14px Jost,sans-serif;color:#685745}#checkout-status{font-size:16px}.landing #sale-status{font-size:15px;padding:12px 18px}.offer .price{margin:14px 0}.decision-help .secondary{margin-right:10px}
@media(max-width:700px){.landing .hero{min-height:0;padding:32px 22px}.hero-seal{width:55px;height:55px}.hero .intro{margin:20px auto}.hero h1{font-size:46px}.grid{gap:20px}.offer{padding:25px}.group-mechanism ol{grid-template-columns:1fr}.decision-help .button{margin:16px 0;display:block;text-align:center}dialog{padding:30px 22px}dialog h2{font-size:29px}.checkout-total strong{font-size:28px}.landing nav{gap:10px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.countdown{font-size:clamp(22px,4vw,34px);font-family:"Noto Serif Display",serif}.chapter.locked{opacity:.6;cursor:not-allowed}.chapter small{display:block}.license-note{font-size:12px;border-bottom:1px solid #DBCBAE;padding-bottom:14px}#day-content .letter,#day-content section{user-select:none;-webkit-user-select:none}@media print{#day-content{display:none}}