:root{
  --ink:#1d1a16;
  --muted:#736b5f;
  --paper:#f4efe6;
  --paper-2:#e8dfcf;
  --line:rgba(29,26,22,.16);
  --line-strong:rgba(29,26,22,.42);
  --accent:#7b4b27;
  --white:#fffaf2;
  --shadow:0 28px 80px rgba(29,26,22,.16);
  --radius:28px;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;background:var(--paper);color:var(--ink)}
body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:
  radial-gradient(circle at 82% 8%,rgba(185,132,79,.18),transparent 30vw),
  radial-gradient(circle at 12% 50%,rgba(90,97,72,.1),transparent 36vw),
  var(--paper)}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--max),calc(100% - 32px));margin-inline:auto}
.nav{position:sticky;top:0;z-index:20;backdrop-filter:blur(18px);background:rgba(244,239,230,.72);border-bottom:1px solid var(--line)}
.nav-inner{height:74px;display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:12px;font-size:13px;letter-spacing:.16em;text-transform:uppercase;font-weight:720}
.brand-mark{width:38px;height:38px;border:1px solid var(--line-strong);display:grid;place-items:center;border-radius:50%;position:relative;background:rgba(255,250,242,.45)}
.brand-mark::before,.brand-mark::after{content:"";position:absolute;background:var(--ink)}
.brand-mark::before{width:15px;height:1px;transform:rotate(-42deg);top:16px;left:8px}
.brand-mark::after{width:15px;height:1px;transform:rotate(42deg);top:16px;right:8px}
.nav-links{display:flex;align-items:center;gap:20px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.nav-links a{transition:.25s ease}
.nav-links a:not(.btn):hover,.nav-links a:not(.btn)[aria-current="page"]{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--ink);border-radius:999px;padding:13px 18px;background:var(--ink);color:var(--white);font-weight:720;font-size:14px;letter-spacing:.01em;box-shadow:0 12px 30px rgba(29,26,22,.18);transition:transform .28s ease,box-shadow .28s ease}
.btn:hover{transform:translateY(-2px);box-shadow:0 18px 42px rgba(29,26,22,.22)}
.page{padding:56px 0 96px}
.kicker{color:var(--accent);font-size:12px;text-transform:uppercase;letter-spacing:.22em;font-weight:800;margin:0 0 14px}
article.note, .listing{width:min(720px,100%);margin-inline:auto}
article.note h1,.listing h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.05em;line-height:.95;margin:0 0 18px;font-size:clamp(40px,6vw,64px)}
.meta{color:var(--muted);font-size:14px;margin:0 0 32px}
article.note .lead, article.note > p:first-of-type{font-size:20px;line-height:1.45;color:#3d372f}
article.note h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;letter-spacing:-.03em;font-size:clamp(26px,3.2vw,34px);margin:40px 0 12px}
article.note p, .listing p{font-size:17px;line-height:1.6;color:#3d372f}
article.note p + p{margin-top:14px}
article.note a{text-decoration:underline;text-underline-offset:3px}
.faq{margin:48px 0 0;border-top:1px solid var(--line);padding-top:8px}
.faq h2{margin-top:28px}
.faq details{border-bottom:1px solid var(--line);padding:14px 0}
.faq summary{cursor:pointer;font-weight:650;font-size:16px}
.faq details p{margin:10px 0 0;color:#514a40}
.cta{margin:48px 0 0;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,250,242,.5);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}
.cta p{margin:0;max-width:42ch}
.foot{border-top:1px solid var(--line);padding:22px 0;color:var(--muted);font-size:13px}
.foot .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
.post-list{list-style:none;padding:0;margin:36px 0 0;display:grid;gap:18px}
.post-list a{display:block;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;background:rgba(255,250,242,.44)}
.post-list a:hover{border-color:var(--line-strong)}
.post-list h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:28px;letter-spacing:-.03em;margin:0 0 8px}
.post-list p{margin:0;color:#514a40}
@media (max-width:820px){
  .nav-links a:not(.btn){display:none}
  .nav-inner{height:64px}
}

/* Blog index — Alt C Guía */
body.blog-guia{padding-bottom:96px}
.page.guia{padding:48px 0 72px}
.page.guia .wrap{width:min(1100px,calc(100% - 32px))}
.guia-hero{padding:8px 0 28px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:end}
.guia-hero h1{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:clamp(36px,5vw,52px);letter-spacing:-.045em;line-height:1;margin:0 0 12px;max-width:14ch}
.guia-lead{color:#3d372f;font-size:17px;line-height:1.45;max-width:42ch}
.guia-lead p{margin:0;font-size:17px;line-height:1.45;color:#3d372f}
.guia-path{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end;padding-bottom:6px}
.guia-path a{font-size:12px;letter-spacing:.08em;text-transform:uppercase;font-weight:700;padding:10px 14px;border:1px solid var(--line);border-radius:999px;background:rgba(255,250,242,.6);color:#514a40;transition:.2s ease}
.guia-path a:hover{border-color:var(--line-strong);color:var(--ink)}
.rail{margin:0 0 28px;border:1px solid var(--line);border-radius:var(--radius);background:rgba(255,250,242,.48);overflow:hidden}
.rail-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:22px 28px;border-bottom:1px solid var(--line);background:rgba(255,250,242,.55)}
.rail-head .step{font-family:Georgia,"Times New Roman",serif;font-size:13px;color:var(--accent);letter-spacing:.08em;margin-bottom:4px}
.rail-head h2{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:28px;letter-spacing:-.03em;margin:0}
.rail-head .hint{font-size:13px;color:var(--muted);max-width:28ch;text-align:right;margin:0}
.rail-cards{display:grid;grid-template-columns:1fr 1fr;gap:0}
.rail-cards.one{grid-template-columns:1fr}
.rail .card{padding:26px 28px;border-right:1px solid var(--line);display:flex;flex-direction:column;gap:10px;min-height:170px;transition:background .2s ease}
.rail .card:last-child{border-right:none}
.rail .card:hover{background:rgba(255,250,242,.85)}
.rail .card .tag{font-size:11px;letter-spacing:.16em;text-transform:uppercase;font-weight:800;color:var(--accent)}
.rail .card h3{font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:22px;letter-spacing:-.025em;line-height:1.2;margin:0}
.rail .card p{margin:0;color:#514a40;font-size:14px;line-height:1.5;flex:1}
.rail .card .meta{font-size:12px;color:var(--muted)}
.product-strip{margin:8px 0 40px;padding:22px 26px;border:1px dashed var(--line-strong);border-radius:var(--radius);display:flex;align-items:center;justify-content:space-between;gap:20px;background:rgba(255,250,242,.35)}
.product-strip .left{display:flex;align-items:center;gap:18px}
.product-strip .thumb{width:64px;height:64px;border:1px solid var(--line);border-radius:14px;background:var(--white);flex-shrink:0;display:grid;place-items:center}
.product-strip .thumb svg{width:46px;height:46px}
.product-strip strong{display:block;font-family:Georgia,"Times New Roman",serif;font-weight:400;font-size:18px;letter-spacing:-.02em;margin-bottom:4px}
.product-strip span{font-size:13px;color:#514a40}
.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;border-top:1px solid var(--line);background:rgba(244,239,230,.92);backdrop-filter:blur(16px)}
.dock-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.dock p{margin:0;font-size:14px;color:#3d372f}
.dock p strong{font-weight:720}
@media (max-width:820px){
  .guia-hero{grid-template-columns:1fr;gap:18px}
  .guia-path{justify-content:flex-start}
  .rail-head{flex-direction:column;align-items:flex-start}
  .rail-head .hint{text-align:left;max-width:none}
  .rail-cards{grid-template-columns:1fr}
  .rail .card{border-right:none;border-bottom:1px solid var(--line)}
  .rail .card:last-child{border-bottom:none}
  .product-strip{flex-direction:column;align-items:flex-start}
  .dock-inner{height:auto;padding:12px 0;flex-wrap:wrap}
  body.blog-guia{padding-bottom:120px}
}