/* MaterialesGDL — estilo "Caja de herramienta". Un solo archivo para esta marca. */
:root{--negro:#161616;--negro2:#202020;--rojo:#D62828;--gris:#8C8C8C;--blanco:#F4F4F4;--verde-wa:#1FA855;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;--ancho:1080px}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px;-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--sans);font-size:1.0625rem;line-height:1.55;color:var(--blanco);background:var(--negro)}
img{max-width:100%;display:block}
a{color:inherit}
:focus-visible{outline:3px solid var(--rojo);outline-offset:3px}
.caja{width:min(var(--ancho),100% - 2.5rem);margin-inline:auto}
h1,h2,h3{font-weight:900;line-height:1.05;margin:0 0 .5em;letter-spacing:-.01em;text-transform:uppercase}
h1{font-size:clamp(2.3rem,7vw,4.2rem)}
h2{font-size:clamp(1.7rem,4vw,2.5rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em;max-width:60ch;color:#cfcfcf}

.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:800;font-size:1.02rem;padding:.85em 1.5em;border:2px solid var(--rojo);background:var(--rojo);color:#fff;text-decoration:none;cursor:pointer;border-radius:3px}
.btn:hover{filter:brightness(1.12)}
.btn.linea{background:transparent;border-color:var(--gris);color:var(--blanco)}
.btn.linea:hover{border-color:var(--blanco)}

.barra{position:sticky;top:0;z-index:30;background:#0e0e0e;border-bottom:2px solid var(--rojo)}
.barra .caja{display:flex;align-items:center;gap:1rem;min-height:60px}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-weight:900;font-size:1.25rem;white-space:nowrap;text-transform:uppercase}
.logo i{font-style:normal;background:var(--rojo);color:#fff;padding:.15em .45em;border-radius:3px;font-size:1rem}
.barra nav{margin-left:auto;display:flex;gap:1.3rem;font-weight:700;font-size:.95rem}
.barra nav a{text-decoration:none;color:var(--gris)}.barra nav a:hover{color:var(--blanco)}
.barra .btn{padding:.5em 1em;font-size:.9rem}
@media(max-width:720px){.barra nav{display:none}.barra .btn{margin-left:auto}}

.inicio{padding:3.5rem 0;background:linear-gradient(135deg,#1c1c1c 0,#161616 60%);border-bottom:1px solid #2c2c2c}
.inicio .caja{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center}
@media(max-width:820px){.inicio .caja{grid-template-columns:1fr}}
.inicio h1 em{font-style:normal;color:var(--rojo)}
.inicio p{font-size:1.12rem}
.inicio .acc{display:flex;flex-wrap:wrap;gap:.8rem;margin-top:1.2rem}
.inicio img{border-radius:4px;aspect-ratio:4/3;object-fit:cover;width:100%;border:1px solid #333}
.puntos{display:flex;flex-wrap:wrap;gap:.4rem 1.4rem;list-style:none;padding:0;margin:1.4rem 0 0;font-size:.9rem;color:var(--gris)}
.puntos li:before{content:"■ ";color:var(--rojo)}

section{padding:3.5rem 0}
.alt{background:var(--negro2)}
.sub{color:var(--gris)}

.grupos{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:1rem}
.grupo{background:var(--negro2);border:1px solid #333;border-top:4px solid var(--rojo);padding:1.2rem;border-radius:3px;display:flex;flex-direction:column}
.alt .grupo{background:var(--negro)}
.grupo p{font-size:.93rem;color:var(--gris)}
.grupo ul{margin:0 0 1rem;padding-left:1.1rem;font-size:.92rem;color:#cfcfcf;flex:1}
.grupo a.cot{color:var(--rojo);font-weight:800;text-decoration:none}
.grupo a.cot:after{content:" →"}

.fotos{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:.7rem}
.fotos a{display:block;position:relative;overflow:hidden;border-radius:3px;background:#000;border:1px solid #333}
.fotos img{aspect-ratio:4/3;object-fit:cover;width:100%;transition:transform .25s}
.fotos a:hover img{transform:scale(1.05)}
.fotos span{position:absolute;left:0;bottom:0;background:var(--rojo);color:#fff;font-size:.75rem;font-weight:800;padding:.25em .7em;text-transform:uppercase}

.preg details{border-bottom:1px solid #333;padding:.9rem 0}
.preg summary{cursor:pointer;font-weight:700;list-style:none}
.preg summary::-webkit-details-marker{display:none}
.preg summary:after{content:"+";float:right;color:var(--rojo);font-size:1.3rem;line-height:1}
.preg details[open] summary:after{content:"–"}
.preg p{margin:.6rem 0 0;color:#cfcfcf}

.cto{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:start}
@media(max-width:760px){.cto{grid-template-columns:1fr}}
.datos{display:grid;gap:.8rem;margin:1rem 0 1.4rem}
.datos b{display:block;font-size:.75rem;letter-spacing:.14em;text-transform:uppercase;color:var(--gris)}
.mapa iframe{width:100%;height:280px;border:0;display:block;border-radius:3px;filter:grayscale(.3)}

.pie{background:#0e0e0e;color:var(--gris);padding:1.4rem 0;font-size:.88rem;border-top:1px solid #2c2c2c}
.pie .caja{display:flex;flex-wrap:wrap;justify-content:space-between;gap:.6rem}
.pie a:hover{color:var(--blanco)}

.wa-fijo{position:fixed;right:14px;bottom:14px;z-index:40;display:inline-flex;align-items:center;gap:.5rem;background:var(--verde-wa);color:#fff;font-weight:800;padding:.7em 1.1em;border-radius:99px;text-decoration:none;box-shadow:0 4px 14px #0007}
.wa-fijo svg{width:1.4em;height:1.4em;fill:#fff}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}