/* Resonancia Semántica — estilos compartidos */
:root{
  --ink:#2B383D; --ink-2:#4A585E; --mist:#E2EAEA; --mist-2:#EEF3F3; --paper:#FFFFFF;
  --night:#101417; --night-2:#1A2024; --orange:#F67826; --gold:#F2B233; --orange-deep:#D9621A;
  --line:rgba(43,56,61,.14); --line-dark:rgba(255,255,255,.12);
  --serif:"Lora",Georgia,"Times New Roman",serif; --sans:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
  --maxw:1120px; --gutter:20px; --radius:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--mist);color:var(--ink);font-family:var(--sans);font-size:17px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
h1,h2,h3{font-family:var(--serif);font-weight:500;letter-spacing:-.01em;line-height:1.12;margin:0}
p{margin:0 0 1em}
.wrap{width:min(var(--maxw),100% - 2*var(--gutter));margin-inline:auto}
.eyebrow{font-family:var(--sans);font-size:12px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:var(--orange-deep);margin:0 0 14px}
.dark .eyebrow{color:var(--gold)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:999px;font-weight:600;font-size:15px;text-decoration:none;border:1.5px solid transparent;transition:transform .15s ease,background .15s ease,border-color .15s ease;white-space:nowrap;cursor:pointer;font-family:var(--sans)}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-deep)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.dark .btn-ghost{color:#fff;border-color:var(--line-dark)}
.btn-ghost:hover{border-color:currentColor}
section{padding:72px 0}
@media(min-width:900px){section{padding:104px 0}}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(30px,4.2vw,44px)}
.section-head p{font-size:18px;color:var(--ink-2);margin-top:14px}
.dark .section-head p{color:rgba(255,255,255,.72)}
.sr{position:absolute;left:-9999px}

/* NAV */
.nav{position:sticky;top:0;z-index:50;background:rgba(16,20,23,.86);backdrop-filter:saturate(160%) blur(12px);-webkit-backdrop-filter:saturate(160%) blur(12px);border-bottom:1px solid var(--line-dark);color:#fff}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:60px;gap:10px;min-width:0;position:relative}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--serif);font-size:16px;letter-spacing:-.01em;white-space:nowrap;min-width:0}
.brand span:last-child{overflow:hidden;text-overflow:ellipsis}
@media(min-width:900px){.brand{font-size:18px}}
.brand .mark{width:30px;height:30px;border-radius:8px;background:var(--mist);color:var(--ink);display:grid;place-items:center;font-size:13px;font-weight:600;font-family:var(--serif);flex-shrink:0}
.nav-links{display:none;gap:22px;font-size:14px;font-weight:500}
.nav-links a{text-decoration:none;opacity:.85;white-space:nowrap}
.nav-links a:hover,.nav-links a[aria-current="page"]{opacity:1}
.nav-links a[aria-current="page"]{color:var(--gold)}
.nav-right{display:flex;align-items:center;gap:8px;flex-shrink:0}
.nav .btn{padding:9px 12px;font-size:12.5px;flex-shrink:0}
.menu-btn{appearance:none;background:transparent;border:1.5px solid var(--line-dark);color:#fff;border-radius:999px;width:38px;height:38px;display:grid;place-items:center;cursor:pointer;padding:0}
.menu-btn svg{width:18px;height:18px}
.menu-btn .x{display:none}
.nav.open .menu-btn .x{display:block}
.nav.open .menu-btn .lines{display:none}
@media(max-width:360px){.nav .btn{display:none}}
@media(min-width:900px){.nav-links{display:flex}.menu-btn{display:none}}
@media(max-width:899px){
  .nav.open .nav-links{display:flex;flex-direction:column;gap:0;position:absolute;left:0;right:0;top:60px;background:var(--night);border-bottom:1px solid var(--line-dark);padding:6px 0 10px}
  .nav.open .nav-links a{padding:12px 20px;border-top:1px solid var(--line-dark);opacity:1;font-size:16px}
}

/* FOOTER */
footer{background:var(--night);color:rgba(255,255,255,.75);padding:48px 0 36px;font-size:14px}
footer .wrap{display:grid;gap:22px}
footer .row{display:flex;flex-wrap:wrap;gap:10px 22px;align-items:center}
footer a{color:#fff;text-decoration:none;opacity:.9}
footer a:hover{opacity:1;text-decoration:underline}
footer .method{max-width:70ch;color:rgba(255,255,255,.62);border-top:1px solid var(--line-dark);padding-top:18px}

/* Subpage hero */
.page-hero{background:radial-gradient(1000px 500px at 80% 10%,#2a2f35 0%,var(--night) 60%);color:#fff;padding:64px 0 56px}
@media(min-width:900px){.page-hero{padding:88px 0 72px}}
.page-hero h1{font-size:clamp(36px,6vw,60px);line-height:1.05;max-width:16ch}
.page-hero .dek{font-family:var(--serif);font-size:clamp(18px,2.2vw,22px);color:rgba(255,255,255,.82);max-width:60ch;margin:18px 0 0}
.crumb{font-size:13px;color:rgba(255,255,255,.6);margin:0 0 18px}
.crumb a{color:#fff;text-decoration:none;opacity:.85}
.crumb a:hover{opacity:1;text-decoration:underline}
.subnav{display:flex;flex-wrap:wrap;gap:8px;margin-top:28px}
.subnav a{font-size:13.5px;font-weight:600;text-decoration:none;color:#fff;border:1.5px solid var(--line-dark);border-radius:999px;padding:8px 14px}
.subnav a:hover{border-color:var(--gold);color:var(--gold)}

/* Resource cards (home + bóveda) */
.rec-grid{display:grid;gap:18px}
@media(min-width:760px){.rec-grid{grid-template-columns:1fr 1fr}}
.rec{display:flex;flex-direction:column;gap:10px;background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 24px;text-decoration:none;color:inherit;transition:transform .18s ease,box-shadow .18s ease;position:relative;overflow:hidden}
.rec:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(43,56,61,.14)}
.rec .k{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--orange-deep);font-weight:600}
.rec h3{font-size:24px}
.rec p{color:var(--ink-2);margin:0;font-size:15.5px}
.rec .arrow{margin-top:auto;padding-top:8px;font-weight:600;font-size:14px;color:var(--orange-deep)}
.rec .glyph{position:absolute;right:-10px;top:-18px;font-family:var(--serif);font-size:120px;line-height:1;color:var(--mist);z-index:0;user-select:none}
.rec>*:not(.glyph){position:relative;z-index:1}
.dark .rec{background:var(--night-2);border-color:var(--line-dark);color:#fff}
.dark .rec p{color:rgba(255,255,255,.72)}
.dark .rec .k,.dark .rec .arrow{color:var(--gold)}
.dark .rec .glyph{color:rgba(255,255,255,.05)}