:root{
  --navy:#1B2D50;
  --powder:#B8D5E2;
  --oro:#957C40;
  --oro-claro:#C6AC72;
  --crema:#F4ECDC;
  --gris:#D6CDBC;
  --sky:#4FA1C5;
  --papel:#FFFCF6;
  --texto:#5B6270;
  --line:#E4DACA;
  --serif:"Playfair Display",Didot,"Bodoni MT",Georgia,serif;
  --sans:"DM Sans",-apple-system,system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--crema);color:var(--texto);font:15px/1.65 var(--sans)}
img{max-width:100%;display:block}
.page-shell{width:min(100%,1024px);margin:auto;padding:28px}

/* ---------- portada ---------- */
.hero{position:relative;overflow:hidden;padding:56px 8%;border-radius:20px;color:var(--crema);
  background:radial-gradient(120% 90% at 10% 108%, #24395F 0%, transparent 60%),
             radial-gradient(80% 60% at 100% 0%, #23375C 0%, transparent 55%),
             var(--navy)}
.hero>*{position:relative;z-index:1}
.hero .eyebrow{color:var(--oro-claro)}
.hero-logo{width:min(100%,330px);margin:26px 0 0}
.hero-copy{max-width:470px;margin:30px 0 0;font:27px/1.24 var(--serif);color:var(--crema)}
.hero-copy em{font-style:italic;color:var(--powder)}
.hero-meta{margin:20px 0 0;color:rgba(244,236,220,.62);font-size:12px}
.eyebrow{margin:0;color:var(--oro);font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase}

/* filete dorado de la marca */
.rule{display:flex;align-items:center;gap:14px;margin:24px 0 0;color:var(--oro-claro)}
.rule i{flex:1;height:1px;background:currentColor;opacity:.5;max-width:130px}
.rule b{font:400 19px/1 var(--serif);font-style:italic}

/* ---------- navegación ---------- */
nav{display:flex;gap:8px;overflow:auto;position:sticky;top:0;z-index:3;margin:18px 0;padding:10px;
  background:rgba(244,236,220,.95);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
nav a{padding:6px 10px;color:var(--texto);font-size:12px;font-weight:700;text-decoration:none;white-space:nowrap}
nav a:hover{color:var(--navy)}

/* ---------- secciones ---------- */
.section{padding:50px 7%;border-bottom:1px solid var(--line);scroll-margin-top:58px}
h1,h2{font-family:var(--serif);line-height:1.1;font-weight:500;color:var(--navy)}
.section h1{max-width:720px;margin:10px 0 18px;font-size:clamp(30px,5vw,46px);letter-spacing:-.01em}
.section h1 em{font-style:italic;color:var(--oro)}
.lead{max-width:720px;font:21px/1.5 var(--serif);color:var(--navy)}
.lead em{font-style:italic;color:var(--oro)}
.notice{margin-top:22px;padding:13px 16px;border-left:3px solid var(--powder);background:var(--papel);font-size:13px}
.notice.alto{border-left-color:#B0554C;background:#FBF1EE}
.notice b{color:var(--navy)}
.chips{margin:24px 0 0;color:var(--oro);font:19px var(--serif);font-style:italic}

.pillars article,.voice article,.types article,.rules article,.logo-rules article,.services article{
  padding:18px;border:1px solid var(--line);border-radius:12px;background:var(--papel)}
.pillars{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:26px}
.pillars b,.voice b{display:block;color:var(--oro);font-size:13px}
.pillars span,.voice span,.types span,.services span{display:block;margin-top:7px;color:var(--texto);font-size:12px;line-height:1.55}
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:24px}
.services b{display:block;font:18px var(--serif);color:var(--navy)}

/* ---------- logo ---------- */
.logo-card{display:grid;grid-template-columns:minmax(240px,1fr) 1fr;gap:28px;align-items:center;
  padding:32px;border:1px solid var(--line);border-radius:14px;background:var(--papel)}
.logo-card img{width:min(100%,310px);margin:0 auto}
.logo-card h2{margin:0;font-size:23px}
.logo-card p{margin:10px 0 0}
.variants{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.variants figure{margin:0;padding:26px 16px;border:1px solid var(--line);border-radius:12px;display:grid;place-items:center;gap:14px}
.variants figure img{width:min(100%,190px)}
.variants figcaption{color:var(--texto);font-size:11px;letter-spacing:.06em;text-transform:uppercase}
.v-navy{background:var(--navy);border-color:transparent}
.v-navy figcaption{color:rgba(244,236,220,.76)}
.v-powder{background:var(--powder);border-color:transparent}
.v-powder figcaption{color:#2C4257}
.logo-rules{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:12px}
.logo-rules b{font-size:12px;color:var(--navy)}
.logo-rules p{margin:7px 0 0;font-size:12px;line-height:1.55}
.downloads{display:flex;flex-wrap:wrap;gap:8px;margin-top:24px}
.downloads .eyebrow{width:100%}
.downloads a{padding:8px 12px;border:1px solid #DCD0BD;border-radius:7px;color:var(--navy);font-size:12px;font-weight:700;text-decoration:none}
.downloads a:hover{border-color:var(--oro);background:var(--papel)}

/* ---------- color ---------- */
.colors{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.colors article{display:grid;grid-template-columns:56px 1fr;gap:0 14px;min-height:88px;overflow:hidden;
  border:1px solid var(--line);border-radius:12px;background:var(--papel)}
.colors i{grid-row:1/4;background:var(--c)}
.colors b{padding-top:15px;font-size:13px;color:var(--navy)}
.colors code{font-size:12px}
.colors span{padding:4px 12px 12px 0;font-size:11px}
.ratio{display:flex;height:34px;margin-top:14px;border-radius:8px;overflow:hidden;border:1px solid var(--line)}
.ratio i{display:grid;place-items:center;overflow:hidden;white-space:nowrap;
  font-style:normal;font-size:9px;font-weight:700;letter-spacing:.04em;text-transform:uppercase}

/* ---------- tipografía ---------- */
.types,.rules,.photo{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.types small{color:var(--texto);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:11px}
.types p{margin:16px 0 8px;font-size:30px;color:var(--navy)}
.pf{font-family:var(--serif);font-weight:500;font-style:italic}
.pf em{font-style:normal;color:var(--oro)}
.dm{font-family:var(--sans);font-weight:500;letter-spacing:.22em;text-transform:uppercase;font-size:17px!important}
.scale{margin-top:12px;display:grid;gap:6px}

/* ---------- voz / uso ---------- */
.voice{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
blockquote{margin:26px 0 0;padding:22px;border-left:4px solid var(--oro-claro);background:var(--papel);
  color:var(--navy);font:26px var(--serif)}
blockquote em{font-style:italic;color:var(--oro)}
.rules article:first-child b{color:#4E7A63}
.rules article:last-child b{color:#B0554C}
.rules li{margin:8px 0;font-size:13px}
.rules ul{margin:10px 0 0;padding-left:18px}

/* ---------- COFEPRIS ---------- */
.legal{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-top:22px}
.legal article{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--papel)}
.legal b{display:block;color:var(--oro);font-size:11px;letter-spacing:.12em;text-transform:uppercase}
.legal span{display:block;margin-top:6px;font:19px var(--serif);color:var(--navy);letter-spacing:.02em}

/* ---------- fotografía ---------- */
.photo figure{margin:0}
.photo img{border-radius:12px;border:1px solid var(--line)}
.photo figcaption{margin-top:8px;font-size:12px}

/* ---------- contacto ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:22px}
.contact-grid a,.contact-grid div>span{display:block;padding:14px 16px;margin-bottom:8px;border:1px solid var(--line);
  border-radius:11px;background:var(--papel);color:var(--navy);text-decoration:none}
.contact-grid a:hover{border-color:var(--oro)}
.contact-grid b{display:block;font-size:12px;color:var(--oro)}
.contact-grid i{display:block;margin-top:3px;font-style:normal;font-size:14px}

footer{padding:34px 7% 10px;font-size:12px}

/* ---------- descargar PDF ---------- */
.pdf-btn{position:fixed;top:16px;right:16px;z-index:9;display:inline-flex;align-items:center;gap:8px;
  padding:10px 15px;border-radius:100px;background:var(--navy);color:var(--crema);
  font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;text-decoration:none;
  box-shadow:0 8px 24px rgba(27,45,80,.24);transition:transform .3s,background .3s}
.pdf-btn:hover{transform:translateY(-2px);background:var(--oro)}
.pdf-btn svg{width:14px;height:14px}
@media(max-width:720px){.pdf-btn{top:auto;bottom:14px;right:14px}}

@media(max-width:720px){
  .page-shell{padding:12px}
  .hero,.section{padding:36px 24px}
  .pillars,.services,.voice,.colors,.types,.rules,.logo-rules,.photo,.contact-grid,.legal,.variants{grid-template-columns:1fr}
  .logo-card{grid-template-columns:1fr;gap:18px;padding:22px}
  .section h1{font-size:32px}
}
@media print{
  nav,.pdf-btn{display:none}
  body{background:#fff}
  .section{break-inside:avoid}
}