:root{
  --paper:#0B0A09; --paper-2:#131110; --card:#161412;
  --surface:#151311; --surface-2:#1C1917;
  --ink:#F1ECE2; --ink-2:#BCB3A5; --ink-3:#8A8072;
  --line:#272320; --line-2:#3A342E;
  --ember:#C9A227; --ember-2:#E3BE4A; --ember-soft:#221B0C;
  --gold:#C9A227; --gold-2:#E8CF86; --gold-deep:#8A6E15;
  --petrol:#0E2B2E; --petrol-2:#17454A; --petrol-soft:#11201F;
  --brass:#C9A227; --brass-soft:#221B0C;
  --ok:#7FBF9A; --warn:#E3BE4A;
  --shadow:0 1px 2px rgba(0,0,0,.5),0 10px 30px -16px rgba(0,0,0,.8);
  --shadow-lg:0 2px 8px rgba(0,0,0,.5),0 40px 80px -34px rgba(0,0,0,.92);
  --r:2px; --r-s:2px;
  --maxw:1280px;
  --f-display:"Bodoni Moda","Didot","Times New Roman",serif;
  --f-body:"Archivo","Helvetica Neue",Arial,sans-serif;
  --f-ui:"Archivo","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0}
html{overflow-x:hidden}
body{
  background:var(--paper); color:var(--ink);
  font-family:var(--f-body); font-size:16px; line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* clip instead of hidden: no horizontal scroll, but html/body do not become scroll containers, so position:sticky works */
@supports (overflow:clip){html,body{overflow-x:clip}}
img{max-width:100%;display:block}
a{color:inherit}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2.5px solid var(--ember);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---------- type ---------- */
.d{font-family:var(--f-display);font-variation-settings:"wdth" 118;font-weight:800;line-height:.98;letter-spacing:-.015em;text-wrap:balance;margin:0}
.d-xl{font-size:clamp(2.6rem,7.2vw,5.4rem)}
.d-l{font-size:clamp(2rem,4.6vw,3.3rem)}
.d-m{font-size:clamp(1.45rem,2.6vw,2.1rem)}
.d-s{font-size:clamp(1.12rem,1.9vw,1.4rem);font-variation-settings:"wdth" 110}
.eyebrow{font-family:var(--f-display);font-variation-settings:"wdth" 88;font-weight:700;font-size:.72rem;letter-spacing:.17em;text-transform:uppercase;color:var(--ink-3);margin:0 0 .7rem}
.eyebrow.em{color:var(--ember)}
.lead{font-size:clamp(1rem,1.5vw,1.14rem);color:var(--ink-2);max-width:62ch}
.num{font-variant-numeric:tabular-nums}
.muted{color:var(--ink-3)}
.small{font-size:.86rem}
.xsmall{font-size:.77rem}

/* ---------- layout ---------- */
.wrap{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:20px}
section{padding-block:clamp(46px,7vw,86px)}
.stack{display:flex;flex-direction:column}
.grid{display:grid;gap:20px}
.rule{height:1px;background:var(--line);border:0;margin:0}

/* ---------- header ---------- */
header.site{position:sticky;top:env(safe-area-inset-top,0px);z-index:60;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:blur(14px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:14px;height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.brand-mark{width:32px;height:32px;flex:0 0 auto}
.brand-name{font-family:var(--f-display);font-variation-settings:"wdth" 108;font-weight:800;font-size:1.02rem;letter-spacing:-.01em;line-height:1}
.brand-name span{display:block;font-size:.58rem;letter-spacing:.2em;font-weight:600;color:var(--ink-3);font-variation-settings:"wdth" 80}
nav.main{display:flex;gap:2px;margin-left:auto}
nav.main a{font-size:.9rem;font-weight:500;text-decoration:none;padding:8px 11px;border-radius:8px;color:var(--ink-2);white-space:nowrap}
nav.main a:hover{background:var(--paper-2);color:var(--ink)}
nav.main a.on{color:var(--ink);background:var(--paper-2)}
.nav-tools{display:flex;align-items:center;gap:8px;margin-left:8px}
.lang{display:flex;border:1px solid var(--line-2);border-radius:8px;overflow:hidden}
.lang button{border:0;background:transparent;padding:6px 9px;font-size:.74rem;font-weight:700;letter-spacing:.06em;cursor:pointer;color:var(--ink-3)}
.lang button.on{background:var(--ink);color:var(--paper)}
.burger{display:none;border:1px solid var(--line-2);background:transparent;border-radius:8px;width:40px;height:38px;cursor:pointer;align-items:center;justify-content:center}
.burger span{display:block;width:17px;height:1.7px;background:var(--ink);position:relative}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:17px;height:1.7px;background:var(--ink)}
.burger span::before{top:-5.5px}.burger span::after{top:5.5px}
@media (max-width:620px){#hdrBook{display:none}.lang button{padding:6px 6px;font-size:.68rem}.brand-mark{width:28px;height:28px}.brand-name{font-size:.92rem}}


/* ---------- buttons ---------- */ .btn[hidden]{display:none!important}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:12px 20px;font-weight:600;font-size:.94rem;cursor:pointer;text-decoration:none;transition:transform .12s ease,background .15s ease,box-shadow .15s}
.btn:active{transform:translateY(1px)}
.btn-em{background:var(--ember);color:#fff;box-shadow:0 8px 20px -12px var(--ember)}
.btn-em:hover{background:var(--ember-2)}
.btn-ink{background:var(--ink);color:var(--paper)}
.btn-ink:hover{opacity:.88}
.btn-out{background:transparent;border:1.5px solid var(--line-2);color:var(--ink)}
.btn-out:hover{border-color:var(--ink);background:var(--paper-2)}
.btn-ghost{background:var(--paper-2);color:var(--ink)}
.btn-ghost:hover{background:var(--line)}
.btn-s{padding:8px 14px;font-size:.85rem;border-radius:8px}
.btn-wa{background:#1FA855;color:#fff}
.btn-tg{background:#2AA2E0;color:#fff}
.btn-block{width:100%}

/* ---------- chips / tags ---------- */
.tag{display:inline-flex;align-items:center;gap:6px;font-size:.73rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;padding:4px 9px;border-radius:999px;background:var(--paper-2);color:var(--ink-2);border:1px solid var(--line)}
.tag-em{background:var(--ember-soft);color:var(--ember-2);border-color:transparent}
.tag-pt{background:var(--petrol-soft);color:var(--petrol);border-color:transparent}
.tag-br{background:var(--brass-soft);color:var(--brass);border-color:transparent}