/* ==========================================================================
   EDUARDO ARANDA — SISTEMA DE DISEÑO
   Una sola hoja compartida por todo el sitio (y, más adelante, por el tema
   de WordPress). Cada página suma solo su hoja propia: inicio.css, pilar.css…
   ========================================================================== */

/* ---------- 1. TOKENS ---------- */
/* Modo DÍA. El sitio arranca siempre en modo NOCHE (atributo data-theme="dark"
   escrito en el <html> de cada página); estos valores aplican al pasar a día. */
:root{
  /* pilares: color de marca confirmado (sobre fondo claro) */
  --lidera:   #791A21;
  --marca:    #00427E;
  --monetiza: #019875;
  --invierte: #A9843F;
  /* misma familia, subida en luminosidad: legible sobre fondo oscuro */
  --lidera-glow:   #E8535C;
  --marca-glow:    #4C9BEF;
  --monetiza-glow: #2FD9AC;
  --invierte-glow: #E8C87C;

  /* neutros cálidos */
  --bg:       #F7F3EC;
  --bg-2:     #EFE8DC;
  --ink:      #211915;
  --ink-deep: #14100E;
  --muted:    #7A6E62;
  --line:     #E2D8C8;
  --card:     #FFFFFF;
  --gold:     #C8B272;
  --gold-glow:#E8C87C;
  --silver:   #8B8B86;
  --cream:    #F3EDE3;   /* texto sobre superficies oscuras, en los dos modos */

  /* acento dinámico: lo reescribe js/site.js según el pilar activo */
  --accent:      #A9843F;
  --accent-glow: #E8C87C;

  --r-xl: 28px; --r-lg: 20px; --r-md: 13px;
  --ease: cubic-bezier(.22,1,.36,1);
  --shadow-2: 0 2px 6px rgba(33,25,21,.06), 0 30px 60px -30px rgba(33,25,21,.35);
  --nav-h: 72px;
  --maxw: 1240px;
  color-scheme: light;
}

html[data-theme="dark"]{
  --bg:     #14100E;
  --bg-2:   #1C1613;
  --ink:    #F3EDE3;
  --muted:  #A09384;
  --line:   #2E2621;
  --card:   #1B1512;
  /* en noche los pilares usan directamente su versión luminosa */
  --lidera: #E8535C; --marca: #4C9BEF; --monetiza: #2FD9AC; --invierte: #E8C87C;
  --accent: #E8C87C;
  --shadow-2: 0 2px 6px rgba(0,0,0,.4), 0 30px 60px -30px rgba(0,0,0,.8);
  color-scheme: dark;
}

/* ---------- 2. BASE ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  font-size:17px; line-height:1.6;
  -webkit-font-smoothing:antialiased; text-rendering:optimizeLegibility;
  overflow-x:hidden;
  transition:background .5s var(--ease), color .5s var(--ease);
}
h1,h2,h3,h4{ margin:0; font-family:'Fraunces',Georgia,serif; font-weight:500; line-height:1.08; letter-spacing:-.018em; }
p{ margin:0; }
a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
ul,ol{ margin:0; padding:0; list-style:none; }
button,input,textarea,select{ font:inherit; color:inherit; }
button{ background:none; border:0; cursor:pointer; }
::selection{ background:var(--accent); color:#14100E; }
:focus-visible{ outline:2px solid var(--accent); outline-offset:3px; border-radius:4px; }

.wrap{ width:100%; max-width:var(--maxw); margin:0 auto; padding:0 clamp(20px,4vw,48px); }
.wrap.narrow{ max-width:860px; }
section{ position:relative; padding:clamp(72px,10vw,140px) 0; }

/* grano cálido global */
body::after{
  content:''; position:fixed; inset:0; z-index:9998; pointer-events:none; opacity:.45;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
  mix-blend-mode:multiply;
}
html[data-theme="dark"] body::after{ mix-blend-mode:screen; opacity:.25; }

/* ---------- 3. TIPOGRAFÍA ---------- */
.eyebrow{
  font-family:'IBM Plex Mono',monospace; font-size:11.5px; font-weight:500;
  letter-spacing:.22em; text-transform:uppercase; color:var(--accent);
  display:inline-flex; align-items:center; gap:10px;
}
.eyebrow::before{ content:''; width:26px; height:1px; background:currentColor; opacity:.6; }
.h2{ font-size:clamp(28px,4.2vw,52px); }
.lede{ font-size:clamp(17px,1.5vw,21px); color:var(--muted); line-height:1.62; max-width:62ch; }
.answer{ font-size:18px; color:var(--muted); line-height:1.65; }
.answer + .answer{ margin-top:18px; }
.answer b, .answer strong{ color:var(--ink); font-weight:600; }

/* ---------- 4. BOTONES ---------- */
.btn{
  position:relative; display:inline-flex; align-items:center; gap:10px;
  padding:15px 28px; border-radius:100px; font-size:15px; font-weight:600;
  letter-spacing:-.01em; cursor:pointer; overflow:hidden; isolation:isolate;
  transition:transform .35s var(--ease), color .3s, border-color .3s;
}
.btn > span{ position:relative; z-index:2; display:inline-flex; align-items:center; gap:9px; }
.btn i{ font-style:normal; }
.btn::before{
  content:''; position:absolute; inset:0; z-index:1; border-radius:inherit;
  background:var(--accent); transform:translateY(101%); transition:transform .45s var(--ease);
}
.btn:hover::before{ transform:translateY(0); }
.btn:hover{ transform:translateY(-2px); }
.btn:active{ transform:translateY(0) scale(.985); }
.btn-solid{ background:var(--ink); color:var(--bg); }
.btn-solid:hover{ color:#14100E; }
.btn-line{ border:1px solid var(--line); color:var(--ink); }
.btn-line:hover{ color:#14100E; border-color:var(--accent); }
.btn-accent{ background:var(--accent); color:#14100E; }
.btn-accent::before{ background:var(--ink); }
.btn-accent:hover{ color:var(--bg); }

.link-arrow{
  display:inline-flex; align-items:center; gap:8px; font-weight:600; font-size:15px;
  color:var(--accent); position:relative; padding-bottom:2px;
}
.link-arrow::after{
  content:''; position:absolute; left:0; bottom:0; width:100%; height:1px;
  background:currentColor; transform:scaleX(0); transform-origin:right; transition:transform .45s var(--ease);
}
.link-arrow:hover::after{ transform:scaleX(1); transform-origin:left; }
.link-arrow i{ font-style:normal; transition:transform .35s var(--ease); }
.link-arrow:hover i{ transform:translateX(5px); }

/* ---------- 5. NAV ---------- */
.progress{
  position:fixed; top:0; left:0; height:2px; width:0%; z-index:10000;
  background:linear-gradient(90deg,var(--accent),var(--accent-glow));
}
.nav{
  position:fixed; top:0; left:0; right:0; height:var(--nav-h); z-index:9000;
  display:flex; align-items:center; border-bottom:1px solid transparent;
  transition:background .4s var(--ease), border-color .4s, height .4s var(--ease);
}
.nav.solid{
  background:color-mix(in srgb, var(--bg) 84%, transparent);
  backdrop-filter:saturate(180%) blur(18px); -webkit-backdrop-filter:saturate(180%) blur(18px);
  border-bottom-color:var(--line); height:62px;
}
.nav .wrap{ display:flex; align-items:center; justify-content:space-between; gap:20px; }
.nav-logo{ display:flex; align-items:center; gap:11px; font-weight:700; font-size:15.5px; letter-spacing:-.02em; }
.nav-mark{
  width:30px; height:30px; border-radius:9px; display:grid; place-items:center;
  background:var(--ink); color:var(--bg); font-family:'Fraunces',serif; font-size:13px; font-weight:600;
  transition:background .5s var(--ease), transform .5s var(--ease), color .5s var(--ease);
}
.nav-logo:hover .nav-mark{ background:var(--accent); color:#14100E; transform:rotate(-8deg); }

.nav-center{ display:flex; align-items:center; gap:3px; }
.nav-item{ position:relative; }
.nav-item > a, .nav-item > button{
  display:inline-flex; align-items:center; gap:6px; padding:9px 15px; border-radius:100px;
  font-size:14.5px; font-weight:500; color:var(--muted); transition:color .25s, background .25s;
}
.nav-item > a:hover, .nav-item > button:hover, .nav-item.active > a, .nav-item.active > button{
  color:var(--ink); background:color-mix(in srgb,var(--ink) 6%,transparent);
}
.nav-item .caret{ font-size:9px; opacity:.5; transition:transform .3s var(--ease); }
.nav-item:hover .caret{ transform:rotate(180deg); }

/* submenú: puente invisible arriba para que no se cierre al bajar el mouse */
.nav-drop{
  position:absolute; top:calc(100% + 10px); left:50%; translate:-50% 0; min-width:260px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-md);
  padding:7px; box-shadow:var(--shadow-2);
  opacity:0; visibility:hidden; transform:translateY(-8px) scale(.97); transform-origin:top center;
  transition:all .3s var(--ease);
}
.nav-drop::before{ content:''; position:absolute; left:0; right:0; top:-12px; height:12px; }
.nav-item:hover .nav-drop, .nav-item:focus-within .nav-drop{ opacity:1; visibility:visible; transform:translateY(0) scale(1); }

/* cada opción se tiñe con SU color (--c): fondo tintado, barra lateral,
   punto que se enciende, flecha que aparece. Las demás opciones se atenúan. */
.nav-drop a{
  --c:var(--gold);
  position:relative; display:flex; align-items:center; gap:12px; padding:11px 13px; border-radius:9px;
  font-size:14.5px; font-weight:500;
  transition:background .3s var(--ease), padding-left .35s var(--ease), opacity .3s var(--ease);
}
.nav-drop a::before{
  content:''; position:absolute; left:0; top:9px; bottom:9px; width:3px; border-radius:3px;
  background:var(--c); transform:scaleY(0); transition:transform .35s var(--ease);
}
.nav-drop .dot{
  width:8px; height:8px; border-radius:50%; background:var(--c); flex:none;
  transition:transform .35s var(--ease), box-shadow .35s var(--ease);
}
.nav-drop small{ display:block; font-size:11.5px; color:var(--muted); font-weight:400; margin-top:1px; }
.nav-drop .go{ margin-left:auto; color:var(--c); opacity:0; transform:translateX(-6px); transition:all .35s var(--ease); }
.nav-drop:hover a:not(:hover){ opacity:.5; }
.nav-drop a:hover, .nav-drop a:focus-visible{
  background:color-mix(in srgb, var(--c) 15%, transparent); padding-left:19px; outline:none;
}
.nav-drop a:hover::before, .nav-drop a:focus-visible::before{ transform:scaleY(1); }
.nav-drop a:hover .dot, .nav-drop a:focus-visible .dot{
  transform:scale(1.35);
  box-shadow:0 0 0 4px color-mix(in srgb, var(--c) 22%, transparent), 0 0 16px var(--c);
}
.nav-drop a:hover .go, .nav-drop a:focus-visible .go{ opacity:1; transform:none; }
.nav-drop a.here{ background:color-mix(in srgb, var(--c) 9%, transparent); }

.nav-right{ display:flex; align-items:center; gap:9px; }
.icon-btn{
  width:36px; height:36px; border-radius:50%; display:grid; place-items:center;
  border:1px solid var(--line); color:var(--muted); font-size:14px; transition:all .3s var(--ease);
}
.icon-btn:hover{ color:var(--ink); border-color:var(--accent); transform:translateY(-2px); }
.search-btn{
  display:inline-flex; align-items:center; gap:8px; padding:8px 15px; border-radius:100px;
  border:1px solid var(--line); font-size:13.5px; font-weight:500; color:var(--muted); transition:all .3s var(--ease);
}
.search-btn svg{ width:14px; height:14px; }
.search-btn:hover{ border-color:var(--accent); color:var(--ink); }
.nav-cta{
  padding:10px 19px; border-radius:100px; background:var(--ink); color:var(--bg);
  font-size:14px; font-weight:600; transition:all .35s var(--ease);
}
.nav-cta:hover{ background:var(--accent); color:#14100E; transform:translateY(-2px); }

/* Todas las páginas abren con un hero oscuro: mientras el nav está arriba
   (transparente) se pinta claro SIEMPRE, también en modo día. */
.nav:not(.solid) .nav-logo{ color:var(--cream); }
.nav:not(.solid) .nav-mark{ background:var(--cream); color:#14100E; }
.nav:not(.solid) .nav-item > a,
.nav:not(.solid) .nav-item > button{ color:rgba(243,237,227,.72); }
.nav:not(.solid) .nav-item > a:hover,
.nav:not(.solid) .nav-item > button:hover,
.nav:not(.solid) .nav-item.active > a,
.nav:not(.solid) .nav-item.active > button{ color:var(--cream); background:rgba(243,237,227,.1); }
.nav:not(.solid) .search-btn,
.nav:not(.solid) .icon-btn,
.nav:not(.solid) .nav-burger{ border-color:rgba(243,237,227,.22); color:rgba(243,237,227,.78); }
.nav:not(.solid) .search-btn:hover,
.nav:not(.solid) .icon-btn:hover{ color:var(--cream); border-color:var(--accent); }
.nav:not(.solid) .nav-cta{ background:var(--cream); color:#14100E; }
.nav:not(.solid) .nav-cta:hover{ background:var(--accent); }

.social-wrap{ position:relative; }
.social-drop{
  position:absolute; top:calc(100% + 10px); right:0; width:240px; padding:8px;
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-md); box-shadow:var(--shadow-2);
  opacity:0; visibility:hidden; transform:translateY(-8px) scale(.97); transform-origin:top right;
  transition:all .3s var(--ease); z-index:20;
}
.social-wrap.open .social-drop{ opacity:1; visibility:visible; transform:none; }
.social-drop a{ display:flex; align-items:center; gap:11px; padding:10px 12px; border-radius:9px; font-size:14px; font-weight:500; transition:background .2s; }
.social-drop a:hover{ background:var(--bg-2); }
.social-drop .hint{ margin-left:auto; font-size:12px; color:var(--muted); }
.ico{
  width:28px; height:28px; border-radius:8px; display:grid; place-items:center; flex:none;
  background:var(--bg-2); color:var(--ink);
}
.ico svg{ width:15px; height:15px; }
.nav-burger{ display:none; }

/* ---------- 6. BUSCADOR ---------- */
.cmdk{
  position:fixed; inset:0; z-index:10001; display:none;
  background:rgba(12,10,9,.55); backdrop-filter:blur(8px);
  padding:13vh 20px 20px; justify-content:center; align-items:flex-start;
}
.cmdk.open{ display:flex; animation:fadeIn .22s var(--ease); }
.cmdk-box{
  width:100%; max-width:620px; background:var(--card); border:1px solid var(--line);
  border-radius:var(--r-lg); box-shadow:0 40px 90px -30px rgba(0,0,0,.55); overflow:hidden;
  animation:cmdkIn .32s var(--ease);
}
@keyframes cmdkIn{ from{ opacity:0; transform:translateY(-14px) scale(.97); } }
@keyframes fadeIn{ from{ opacity:0; } }
.cmdk-field{ display:flex; align-items:center; gap:12px; padding:0 22px; border-bottom:1px solid var(--line); }
.cmdk-field svg{ width:18px; height:18px; color:var(--muted); flex:none; }
.cmdk-input{ width:100%; border:0; background:none; padding:20px 0; font-size:17px; outline:none; }
.cmdk-input::placeholder{ color:var(--muted); }
.cmdk-list{ max-height:min(56vh,440px); overflow-y:auto; padding:8px; }
.cmdk-group{ font-family:'IBM Plex Mono',monospace; font-size:10.5px; letter-spacing:.16em; text-transform:uppercase; color:var(--muted); padding:12px 13px 6px; }
.cmdk-item{
  display:flex; align-items:center; gap:12px; padding:11px 13px; border-radius:10px;
  cursor:pointer; font-size:15px; transition:background .15s;
}
.cmdk-item[aria-selected="true"]{ background:var(--bg-2); }
.cmdk-item .dot{ width:8px; height:8px; border-radius:50%; background:var(--c,var(--silver)); flex:none; }
.cmdk-item small{ margin-left:auto; color:var(--muted); font-size:12px; white-space:nowrap; }
.cmdk-empty{ padding:30px; text-align:center; color:var(--muted); font-size:14px; }

/* ---------- 7. REVELADOS ---------- */
[data-rv]{ opacity:0; transition:opacity .9s var(--ease), transform .9s var(--ease), filter .9s var(--ease); }
[data-rv="up"]{ transform:translateY(30px); }
[data-rv="left"]{ transform:translateX(-32px); }
[data-rv="right"]{ transform:translateX(32px); }
[data-rv="scale"]{ transform:scale(.94); }
[data-rv="blur"]{ filter:blur(10px); transform:translateY(18px); }
[data-rv].in{ opacity:1; transform:none; filter:none; }
/* en pantallas chicas lo lateral entra desde abajo: si no, desborda el ancho antes de animarse */
@media (max-width:900px){ [data-rv="left"]:not(.in), [data-rv="right"]:not(.in){ transform:translateY(30px); } }
.rv-words span{
  display:inline-block; opacity:0; transform:translateY(.55em) rotate(2deg);
  transition:opacity .7s var(--ease), transform .7s var(--ease);
}
.rv-words.in span{ opacity:1; transform:none; }
@media (prefers-reduced-motion:reduce){
  *{ animation-duration:.01ms !important; transition-duration:.01ms !important; scroll-behavior:auto !important; }
  [data-rv], .rv-words span{ opacity:1 !important; transform:none !important; filter:none !important; }
}

/* ---------- 8. SUPERFICIES ---------- */
.alt{ background:var(--bg-2); }
.dark{ background:var(--ink-deep); color:var(--cream); }
.dark .answer, .dark .lede{ color:rgba(243,237,227,.64); }
.dark .btn-line{ border-color:rgba(243,237,227,.24); color:var(--cream); }
.dark .btn-solid{ background:var(--cream); color:#14100E; }
.beam{ position:absolute; inset:0; pointer-events:none; }

.card{
  background:var(--card); border:1px solid var(--line); border-radius:var(--r-lg);
  padding:clamp(22px,2.6vw,34px); position:relative; overflow:hidden;
  transition:transform .5s var(--ease), box-shadow .5s var(--ease), border-color .4s;
}
.card:hover{ transform:translateY(-4px); box-shadow:var(--shadow-2); border-color:color-mix(in srgb,var(--c,var(--accent)) 50%,var(--line)); }

.glow{ position:relative; }
.glow::before{
  content:''; position:absolute; inset:0; border-radius:inherit; pointer-events:none; z-index:0;
  opacity:0; transition:opacity .45s var(--ease);
  background:radial-gradient(420px circle at var(--mx,50%) var(--my,50%), color-mix(in srgb,var(--c,var(--accent)) 18%,transparent), transparent 62%);
}
.glow:hover::before{ opacity:1; }
.glow > *{ position:relative; z-index:1; }

/* ---------- 9. GRID ---------- */
.grid{ display:grid; gap:clamp(16px,2vw,26px); }
.g3{ grid-template-columns:repeat(3,1fr); }
.g4{ grid-template-columns:repeat(4,1fr); }
.split{ display:grid; grid-template-columns:1.05fr .95fr; gap:clamp(32px,5vw,80px); align-items:center; }
.head{ max-width:700px; margin-bottom:clamp(36px,5vw,64px); }
.head.center{ margin-inline:auto; text-align:center; }
.head h2{ margin:18px 0 18px; }
.head-row{ display:flex; justify-content:space-between; align-items:flex-end; gap:24px; flex-wrap:wrap; max-width:none; }
.head-row > div{ max-width:680px; }

/* ---------- 10. PIE DE PÁGINA ---------- */
.foot{ background:var(--ink-deep); color:var(--cream); padding:clamp(56px,7vw,84px) 0 30px; }
.foot-main{ display:flex; flex-direction:column; align-items:center; text-align:center; gap:26px; padding-bottom:40px; border-bottom:1px solid rgba(243,237,227,.1); }
.foot-sign{
  font-family:'Fraunces',serif; font-style:italic; font-size:15px; letter-spacing:.01em; color:var(--gold-glow); opacity:.85;
  display:flex; align-items:center; gap:12px;
}
.foot-sign::before, .foot-sign::after{ content:''; width:24px; height:1px; background:currentColor; opacity:.5; }
.foot-social{ display:flex; gap:10px; flex-wrap:wrap; justify-content:center; }
.foot-social a{
  width:42px; height:42px; border-radius:50%; display:grid; place-items:center;
  border:1px solid rgba(243,237,227,.16); color:rgba(243,237,227,.75); transition:all .35s var(--ease);
}
.foot-social svg{ width:17px; height:17px; }
.foot-social a:hover{ background:var(--gold); color:#14100E; border-color:var(--gold); transform:translateY(-3px); }
.foot .btn-line{ border-color:rgba(243,237,227,.24); color:var(--cream); }
.foot-bot{ padding-top:24px; text-align:center; font-size:12px; color:rgba(243,237,227,.42); font-family:'IBM Plex Mono',monospace; letter-spacing:.04em; }

/* ---------- 11. PIEZAS COMPARTIDAS ---------- */
.chip{
  display:inline-flex; align-items:center; gap:8px; padding:7px 14px; border-radius:100px;
  font-size:12.5px; font-weight:600; border:1px solid var(--line); color:var(--muted);
  cursor:pointer; transition:all .3s var(--ease); background:var(--card);
}
.chip .dot{ width:7px; height:7px; border-radius:50%; background:var(--c,var(--silver)); }
.chip:hover{ border-color:var(--c,var(--accent)); color:var(--ink); transform:translateY(-2px); }
.chip.on{ background:var(--c,var(--ink)); border-color:var(--c,var(--ink)); color:#fff; }
html[data-theme="dark"] .chip.on{ color:#14100E; }

/* tarjeta de post del blog (la arma js/site.js) */
.post-card{ display:flex; flex-direction:column; gap:12px; height:100%; padding:0; }
.post-card .thumb{ aspect-ratio:16/9; background:var(--bg-2); overflow:hidden; }
.post-card .thumb img{ width:100%; height:100%; object-fit:cover; transition:transform 1s var(--ease); }
.post-card:hover .thumb img{ transform:scale(1.05); }
.post-card .body{ display:flex; flex-direction:column; gap:12px; padding:22px 24px 24px; flex:1; }
.post-card .meta{ font-family:'IBM Plex Mono',monospace; font-size:11px; letter-spacing:.13em; text-transform:uppercase; color:var(--c,var(--muted)); }
.post-card h3{ font-size:21px; line-height:1.22; letter-spacing:-.02em; }
.post-card p{ color:var(--muted); font-size:14.5px; line-height:1.55; }
.post-card .go{ margin-top:auto; padding-top:8px; font-size:13.5px; font-weight:600; color:var(--c,var(--accent)); }
.posts-note{ grid-column:1/-1; text-align:center; color:var(--muted); font-size:15px; padding:28px; }
.skel{ background:linear-gradient(90deg,var(--bg-2) 25%,var(--card) 50%,var(--bg-2) 75%); background-size:200% 100%; animation:sk 1.4s infinite; border-radius:6px; height:14px; }
@keyframes sk{ to{ background-position:-200% 0; } }

/* video */
.tv{ position:relative; border-radius:var(--r-lg); overflow:hidden; border:1px solid rgba(243,237,227,.1); background:#000; aspect-ratio:16/9; }
.tv iframe{ width:100%; height:100%; border:0; display:block; }

/* toast */
.toast{
  position:fixed; left:50%; bottom:28px; translate:-50% 0; z-index:10002;
  background:var(--ink); color:var(--bg); padding:13px 22px; border-radius:100px;
  font-size:14px; font-weight:500; box-shadow:var(--shadow-2);
  opacity:0; visibility:hidden; transform:translateY(14px); transition:all .4s var(--ease);
}
.toast.on{ opacity:1; visibility:visible; transform:none; }

/* ---------- 12. RESPONSIVE ---------- */
@media (max-width:1000px){
  .g4{ grid-template-columns:repeat(2,1fr); }
  .g3{ grid-template-columns:1fr; }
  .split{ grid-template-columns:1fr; }
}
@media (max-width:820px){
  body{ font-size:16px; }
  .nav-burger{ display:grid; place-items:center; width:38px; height:38px; border-radius:10px; border:1px solid var(--line); }
  .nav-center{
    position:fixed; top:66px; left:12px; right:12px; flex-direction:column; align-items:stretch; gap:2px;
    background:var(--card); border:1px solid var(--line); border-radius:var(--r-lg); padding:12px;
    box-shadow:var(--shadow-2); opacity:0; visibility:hidden; transform:translateY(-10px);
    transition:all .3s var(--ease);
  }
  .nav-center.open{ opacity:1; visibility:visible; transform:none; }
  /* dentro del panel mobile el fondo es la tarjeta: los colores vuelven a los del tema */
  .nav .nav-center .nav-item > a, .nav .nav-center .nav-item > button{
    width:100%; justify-content:space-between; padding:13px 14px; font-size:16px; color:var(--ink);
  }
  .nav-drop{
    position:static; translate:none; opacity:1; visibility:visible; transform:none; box-shadow:none;
    border:0; border-left:2px solid var(--line); border-radius:0; margin:0 0 6px 16px; padding:0 0 0 6px;
    display:none; min-width:0;
  }
  .nav-drop::before{ display:none; }
  .nav-item.expand .nav-drop{ display:block; }
  .search-btn span{ display:none; }
  .search-btn{ width:36px; height:36px; padding:0; justify-content:center; }
  .nav-logo{ font-size:14px; }
  .nav-name{ white-space:nowrap; }
  .g4{ grid-template-columns:1fr; }
}
@media (max-width:460px){
  .nav-name{ display:none; }
  .nav-cta{ padding:9px 15px; font-size:13px; }
  .nav-right{ gap:6px; }
}