/* ============================================================
   ROLLO DE HULE – Estilos 2026
   Mobile-first, sin frameworks, sin webfonts.
   Paleta: negro carbón + gris pizarra + acento óxido
   ============================================================ */

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden;max-width:100vw}
body,h1,h2,h3,h4,p,ul,ol,figure,table,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
img,svg,video{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:none;background:none;color:inherit}
table{border-collapse:collapse;width:100%}

/* ---------- Tokens ---------- */
:root{
  --c-ink:#0F0F0F;
  --c-ink-2:#1F1F1F;
  --c-ink-3:#3A3A3A;
  --c-ink-4:#6B6B6B;
  --c-ink-5:#8C8C8C;
  --c-ink-6:#B8B8B8;
  --c-line:#E5E5E5;
  --c-line-2:#D4D4D4;
  --c-bg:#FFFFFF;
  --c-bg-soft:#F7F7F5;
  --c-bg-soft-2:#EFEFEC;

  --c-accent:#D94F1E;
  --c-accent-dark:#A83A12;
  --c-accent-soft:#FFF2EC;
  --c-accent-line:#FFD9C7;

  --c-success:#15803D;
  --c-dark:#0A0A0A;
  --c-dark-2:#141414;

  --radius:10px;
  --radius-sm:6px;
  --radius-lg:16px;
  --radius-xl:24px;
  --shadow-sm:0 1px 2px rgba(0,0,0,.04),0 1px 3px rgba(0,0,0,.06);
  --shadow-md:0 4px 12px rgba(0,0,0,.06),0 12px 32px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,.12);
  --shadow-accent:0 8px 24px rgba(217,79,30,.28);

  --maxw:1280px;
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
}

/* ---------- Base ---------- */
html{font-family:var(--font);font-size:16px;line-height:1.6;color:var(--c-ink);background:var(--c-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
body{min-height:100vh;overflow-x:hidden;position:relative;width:100%;max-width:100vw}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1rem;width:100%}
@media (min-width:768px){.wrap{padding:0 1.5rem}}
@media (min-width:1024px){.wrap{padding:0 2rem}}

:focus-visible{outline:3px solid var(--c-accent);outline-offset:3px;border-radius:4px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-ink);color:#fff;padding:.75rem 1rem;z-index:999;font-weight:600}
.skip-link:focus{left:0}

/* ---------- Tipografía ---------- */
h1{font-size:clamp(1.7rem,1rem + 3.2vw,3.5rem);line-height:1.08;letter-spacing:-.025em;font-weight:900;color:var(--c-ink);word-wrap:break-word}
h2{font-size:clamp(1.35rem,.95rem + 1.8vw,2.25rem);line-height:1.15;letter-spacing:-.02em;font-weight:900;margin-bottom:1rem;word-wrap:break-word}
h3{font-size:clamp(1.05rem,.95rem + .4vw,1.3rem);line-height:1.3;font-weight:800;letter-spacing:-.01em}
h4{font-size:.75rem;margin:1.25rem 0 .6rem;font-weight:800;color:var(--c-ink-4);text-transform:uppercase;letter-spacing:.1em}
p{margin-bottom:1rem;color:var(--c-ink-3);line-height:1.7}
.section-lead{color:var(--c-ink-4);font-size:1rem;max-width:65ch;margin-bottom:1.5rem}
@media (min-width:768px){.section-lead{font-size:1.05rem;margin-bottom:2rem}}

.eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--c-accent);margin-bottom:.85rem}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--c-accent);flex-shrink:0}

/* ============================================================
   HEADER
   ============================================================ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
}
.site-header__inner{
  display:grid;
  grid-template-columns:auto auto;
  grid-template-areas:
    "logo toggle"
    "nav nav";
  align-items:center;
  gap:.5rem;
  padding:.75rem 0;
}
@media (min-width:1000px){
  .site-header__inner{
    display:flex;
    flex-wrap:nowrap;
    align-items:center;
    justify-content:space-between;
    gap:1.5rem;
    padding:.85rem 0;
  }
}

/* Logo */
.site-logo{grid-area:logo;display:flex;align-items:center;flex-shrink:0;min-width:0}
.site-logo img{height:40px;width:auto}
@media (min-width:768px){.site-logo img{height:46px}}

/* Toggle móvil */
.menu-toggle{
  grid-area:toggle;
  display:flex;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 11px;border:1px solid var(--c-line-2);
  border-radius:var(--radius-sm);background:#fff;flex-shrink:0;justify-self:end;
}
.menu-toggle span{display:block;width:100%;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .25s,opacity .2s}
.menu-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.menu-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
@media (min-width:1000px){.menu-toggle{display:none}}

/* Nav */
.main-nav{grid-area:nav;width:100%;border-top:1px solid var(--c-line);min-width:0}
@media (min-width:1000px){
  .main-nav{width:auto;border-top:none;flex:0 1 auto;min-width:0}
}

.menu{display:none;flex-direction:column;padding:.5rem 0 .75rem;gap:.1rem;width:100%}
.menu.is-open{display:flex}
@media (min-width:1000px){
  .menu{
    display:flex;flex-direction:row;align-items:center;
    padding:0;gap:.15rem;flex-wrap:nowrap;width:auto;
  }
}

.menu>li{position:relative;width:100%;min-width:0}
@media (min-width:1000px){.menu>li{width:auto}}

.menu>li>a{
  display:flex;align-items:center;gap:.35rem;
  padding:.65rem .9rem;font-weight:600;color:var(--c-ink-2);
  font-size:.9rem;border-radius:var(--radius-sm);
  transition:background .15s,color .15s;position:relative;
  white-space:nowrap;
}
.menu>li>a::after{
  content:"";position:absolute;left:.9rem;right:.9rem;bottom:.35rem;
  height:2px;background:var(--c-accent);
  transform:scaleX(0);transform-origin:left;transition:transform .25s;
}
.menu>li>a:hover::after,.menu>li>a:focus-visible::after{transform:scaleX(1)}
.menu>li[aria-current="page"]>a{color:var(--c-accent)}
.menu>li[aria-current="page"]>a::after{transform:scaleX(1)}

/* Chevron CSS para items con submenú/mega */
.menu>li>a[aria-haspopup="true"]::before{
  content:"";
  display:inline-block;
  width:6px;height:6px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-1px);
  margin-left:.25rem;
  order:2;
  opacity:.6;
  transition:transform .2s;
}
.menu>li.is-open>a[aria-haspopup="true"]::before{
  transform:rotate(-135deg) translateY(-1px);
}

/* Submenú */
.submenu{display:none;padding:.25rem 0 .25rem 1rem;flex-direction:column;gap:.1rem}
.menu>li.is-open>.submenu{display:flex}
@media (min-width:1000px){
  .submenu{
    position:absolute;top:calc(100% + 6px);left:0;min-width:280px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);
    box-shadow:var(--shadow-lg);padding:.5rem;z-index:70;
  }
  .menu>li:hover .submenu,.menu>li:focus-within .submenu{display:flex}
}
.submenu a{
  display:block;padding:.6rem .85rem;font-size:.88rem;color:var(--c-ink-3);
  border-radius:var(--radius-sm);transition:background .15s,color .15s;
}
.submenu a:hover,.submenu a:focus{background:var(--c-accent-soft);color:var(--c-accent-dark)}

/* CTA header (a la derecha, después del nav) */
.header-cta{display:none;align-items:center;gap:.75rem;flex-shrink:0;margin-left:auto}
@media (min-width:1000px){.header-cta{display:flex}}
.header-cta__phone{
  font-weight:800;font-size:.9rem;color:var(--c-ink);
  display:flex;align-items:center;gap:.4rem;white-space:nowrap;
  transition:color .15s;
}
.header-cta__phone:hover{color:var(--c-accent)}
.header-cta__btn{
  display:inline-flex;align-items:center;gap:.4rem;
  background:var(--c-ink);color:#fff;
  padding:.6rem 1.1rem;border-radius:var(--radius-sm);
  font-weight:700;font-size:.85rem;
  transition:background .15s;white-space:nowrap;
}
.header-cta__btn:hover{background:var(--c-accent)}

/* ============================================================
   MEGA-MENÚ (Materiales)
   ============================================================ */
.has-mega{position:relative}

@media (min-width:1000px){
  .has-mega .mega{
    position:fixed;
    left:50%;
    transform:translateX(-50%);
    width:min(1100px, calc(100vw - 3rem));
    max-height:calc(100vh - 140px);
    overflow-y:auto;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--radius);
    box-shadow:var(--shadow-lg);
    padding:1.25rem 1.5rem;
    z-index:70;
    display:none;
    grid-template-columns:repeat(3,minmax(0,1fr));
    gap:1rem 1.75rem;
  }
  .has-mega.is-open .mega{display:grid}
}

@media (min-width:1200px){
  .has-mega .mega{grid-template-columns:repeat(6,minmax(0,1fr))}
}

@media (max-width:999px){
  .has-mega .mega{
    display:none;
    padding:.25rem 0 .5rem 1rem;
    flex-direction:column;
    gap:1rem;
    position:static;
    transform:none;
    width:auto;
    box-shadow:none;
    border:none;
    background:transparent;
    max-height:none;
    overflow:visible;
  }
  .has-mega.is-open .mega{display:flex}
}

.mega__title{
  font-size:.68rem;font-weight:800;text-transform:uppercase;
  letter-spacing:.1em;color:var(--c-accent);
  margin-bottom:.5rem;margin-top:0;
}
.mega__col ul{display:flex;flex-direction:column;gap:.15rem}
.mega__col a{
  display:block;padding:.35rem .5rem;font-size:.83rem;color:var(--c-ink-3);
  border-radius:var(--radius-sm);transition:background .15s,color .15s;
  word-wrap:break-word;
}
.mega__col a:hover{background:var(--c-accent-soft);color:var(--c-accent-dark)}

/* Pie del mega-menú */
.mega__footer{
  grid-column:1 / -1;
  padding-top:1rem;
  margin-top:.5rem;
  border-top:1px solid var(--c-line);
  text-align:center;
}
.mega__all{
  display:inline-flex;
  align-items:center;
  gap:.4rem;
  font-weight:700;
  font-size:.85rem;
  color:var(--c-accent);
  padding:.55rem 1rem;
  border-radius:var(--radius-sm);
  background:var(--c-accent-soft);
  transition:background .15s,color .15s;
}
.mega__all:hover{background:var(--c-accent);color:#fff}
@media (max-width:999px){
  .mega__footer{grid-column:auto;padding-top:.5rem;margin-top:.25rem;text-align:left}
}

/* ============================================================
   HERO (home)
   ============================================================ */
.hero{position:relative;background:var(--c-ink);color:#fff;overflow:hidden;isolation:isolate}
.hero::before{content:"";position:absolute;top:-20%;right:-30%;width:80%;height:140%;background:radial-gradient(ellipse at center,rgba(217,79,30,.16) 0%,transparent 60%);z-index:0;pointer-events:none}
.hero__inner{position:relative;display:grid;grid-template-columns:1fr;gap:1.75rem;padding:2.25rem 0 2.5rem}
@media (min-width:900px){
  .hero__inner{grid-template-columns:1.05fr 1fr;gap:3rem;padding:4.5rem 0 5rem;align-items:center}
}

.hero__text{position:relative;z-index:2;min-width:0}
.hero__eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.12em;color:var(--c-accent);margin-bottom:1rem}
.hero__eyebrow::before{content:"";width:24px;height:2px;background:var(--c-accent);flex-shrink:0}

.hero h1{color:#fff;margin-bottom:1rem;text-wrap:balance}
.hero h1 em{font-style:normal;color:var(--c-accent);display:block;font-weight:900}

.hero__lead{font-size:1rem;color:rgba(255,255,255,.8);max-width:52ch;margin-bottom:1.5rem;line-height:1.65}
@media (min-width:900px){.hero__lead{font-size:1.1rem;margin-bottom:2rem}}

.hero__actions{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.5rem}
@media (min-width:900px){.hero__actions{margin-bottom:2rem}}

.hero__trust{display:flex;flex-direction:column;gap:.5rem;font-size:.85rem;color:rgba(255,255,255,.75);font-weight:500;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.12)}
@media (min-width:640px){.hero__trust{flex-direction:row;flex-wrap:wrap;gap:.75rem 1.5rem}}
.hero__trust li{display:flex;align-items:center;gap:.45rem}
.hero__trust li::before{content:"✓";color:var(--c-accent);font-weight:900;font-size:1rem;flex-shrink:0}

.hero__media{position:relative;min-width:0;z-index:1}
.hero__media img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);box-shadow:0 30px 60px rgba(0,0,0,.35)}
@media (min-width:900px){.hero__media img{aspect-ratio:5/6;max-height:620px}}

/* ============================================================
   PAGE HERO (interiores)
   ============================================================ */
.page-hero{
  background:linear-gradient(180deg,var(--c-ink) 0%,var(--c-ink-2) 100%);
  color:#fff;
  padding:2.5rem 0 2.75rem;
  position:relative;
  overflow:hidden;
  isolation:isolate;
}
.page-hero::before{
  content:"";
  position:absolute;
  top:-30%;right:-20%;
  width:60%;height:160%;
  background:radial-gradient(ellipse at center,rgba(217,79,30,.18) 0%,transparent 60%);
  pointer-events:none;
  z-index:0;
}
@media (min-width:768px){.page-hero{padding:4rem 0 4.5rem}}
.page-hero__inner{position:relative;z-index:1}
.page-hero__text{max-width:720px}
.page-hero .eyebrow{color:var(--c-accent);margin-bottom:.75rem}
.page-hero .eyebrow::before{background:var(--c-accent)}
.page-hero h1{color:#fff;margin-bottom:1rem;text-wrap:balance}
.page-hero__lead{color:rgba(255,255,255,.82);font-size:1rem;max-width:65ch;line-height:1.7;margin:0}
@media (min-width:768px){.page-hero__lead{font-size:1.1rem}}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb{
  padding:1rem 0 .25rem;
  font-size:.82rem;
  color:var(--c-ink-5);
}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  gap:.4rem;
  align-items:center;
}
.breadcrumb li{
  display:inline-flex;
  align-items:center;
  min-width:0;
  overflow-wrap:break-word;
  word-break:break-word;
}
.breadcrumb li+li::before{
  content:"/";
  margin:0 .4rem 0 0;
  color:var(--c-line-2);
  flex-shrink:0;
}
.breadcrumb a{
  color:var(--c-ink-4);
  transition:color .15s;
}
.breadcrumb a:hover{
  color:var(--c-accent);
  text-decoration:underline;
}
.breadcrumb [aria-current="page"]{
  color:var(--c-ink-2);
  font-weight:600;
}
@media (max-width:480px){
  .breadcrumb{font-size:.75rem;padding:.75rem 0 .15rem}
  .breadcrumb li+li::before{margin:0 .3rem 0 0}
}

/* ============================================================
   BOTONES
   ============================================================ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.45rem;padding:.75rem 1.25rem;border-radius:var(--radius-sm);font-weight:700;font-size:.92rem;border:2px solid transparent;transition:background .18s,color .18s,border-color .18s,transform .12s,box-shadow .18s;line-height:1.2;white-space:nowrap;cursor:pointer;text-align:center}
@media (min-width:768px){.btn{padding:.85rem 1.5rem;font-size:.95rem}}
.btn:active{transform:translateY(1px)}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--shadow-accent)}
.btn--accent:hover{background:var(--c-accent-dark);box-shadow:0 10px 28px rgba(217,79,30,.4)}
.btn--dark{background:var(--c-ink);color:#fff}
.btn--dark:hover{background:var(--c-accent)}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.3)}
.btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.08)}
.btn--outline{background:#fff;color:var(--c-ink);border-color:var(--c-line-2)}
.btn--outline:hover{border-color:var(--c-ink);color:var(--c-ink)}

/* ============================================================
   TRUST BAR
   ============================================================ */
.trust-bar{background:var(--c-bg-soft);border-bottom:1px solid var(--c-line);padding:1.25rem 0}
@media (min-width:768px){.trust-bar{padding:1.5rem 0}}
.trust-bar__inner{display:grid;grid-template-columns:1fr;gap:1rem}
@media (min-width:640px){.trust-bar__inner{grid-template-columns:repeat(2,1fr);gap:1rem 1.5rem}}
@media (min-width:900px){.trust-bar__inner{grid-template-columns:repeat(4,1fr);gap:2rem}}
.trust-item{display:flex;align-items:center;gap:.65rem;font-size:.82rem;color:var(--c-ink-4);font-weight:600;line-height:1.3;min-width:0}
.trust-item__icon{flex-shrink:0;width:32px;height:32px;display:flex;align-items:center;justify-content:center;background:#fff;border:1px solid var(--c-line-2);border-radius:50%;color:var(--c-accent);font-size:1rem;font-weight:900}
.trust-item strong{color:var(--c-ink);font-weight:800;display:block;font-size:.9rem}

/* ============================================================
   SECCIONES
   ============================================================ */
.section{padding:2.5rem 0}
@media (min-width:768px){.section{padding:4rem 0}}
@media (min-width:1024px){.section{padding:5rem 0}}
.section--soft{background:var(--c-bg-soft)}
.section__head{margin-bottom:1.5rem}
@media (min-width:768px){.section__head{margin-bottom:2.5rem}}

/* ============================================================
   ABOUT (home)
   ============================================================ */
.about{display:grid;grid-template-columns:1fr;gap:1.5rem}
@media (min-width:900px){.about{grid-template-columns:minmax(0,1fr) minmax(0,1.5fr);gap:4rem;align-items:start}}
.about__head{min-width:0}
.about__body{min-width:0}
.about__body p{font-size:.95rem;line-height:1.75;color:var(--c-ink-3)}
@media (min-width:768px){.about__body p{font-size:1rem}}
.about__body p:first-of-type{font-size:1.05rem;color:var(--c-ink);font-weight:500;line-height:1.6}
@media (min-width:768px){.about__body p:first-of-type{font-size:1.15rem}}
.about__stats{display:grid;grid-template-columns:1fr;gap:1.25rem;margin-top:1.5rem;padding-top:1.5rem;border-top:1px solid var(--c-line)}
@media (min-width:480px){.about__stats{grid-template-columns:repeat(3,1fr);gap:1.5rem}}
.stat{display:flex;flex-direction:column;gap:.25rem;min-width:0}
.stat__num{font-size:clamp(1.6rem,1.1rem + 2vw,2.25rem);font-weight:900;color:var(--c-ink);letter-spacing:-.03em;line-height:1}
.stat__label{font-size:.75rem;color:var(--c-ink-4);font-weight:600;text-transform:uppercase;letter-spacing:.06em}

/* ============================================================
   TABLA MATRIZ DE ELASTÓMEROS
   ============================================================ */
.table-filters{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.25rem;padding-bottom:1rem;border-bottom:1px solid var(--c-line)}
.table-filters button{padding:.45rem .8rem;border:1px solid var(--c-line-2);background:#fff;border-radius:99px;font-size:.78rem;font-weight:700;color:var(--c-ink-4);transition:all .15s;white-space:nowrap}
@media (min-width:640px){.table-filters button{padding:.5rem .9rem;font-size:.82rem}}
.table-filters button:hover{border-color:var(--c-ink);color:var(--c-ink)}
.table-filters button[aria-selected="true"]{background:var(--c-ink);color:#fff;border-color:var(--c-ink)}

.spec-matrix{margin-bottom:1.5rem}
.spec-matrix__title{font-size:.72rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--c-ink-4);margin:1.75rem 0 .6rem;padding-bottom:.5rem;border-bottom:1px solid var(--c-line)}
.spec-matrix__title:first-child{margin-top:0}
.spec-matrix__title[hidden]{display:none}

.spec-matrix__wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--c-line);border-radius:var(--radius);background:#fff;margin-bottom:1rem;max-width:100%}
.spec-matrix__wrap[hidden]{display:none}

.spec-matrix__table{width:100%;font-size:.78rem;min-width:820px}
.spec-matrix__table th,.spec-matrix__table td{padding:.55rem .65rem;text-align:left;border-bottom:1px solid var(--c-line);white-space:nowrap;vertical-align:top}
.spec-matrix__table thead th{background:var(--c-ink);color:#fff;font-weight:700;font-size:.68rem;text-transform:uppercase;letter-spacing:.04em;position:sticky;top:0;z-index:2}
.spec-matrix__table tbody th{font-weight:700;color:var(--c-ink);background:#fff;position:sticky;left:0;z-index:1;font-size:.8rem;min-width:180px;max-width:240px;white-space:normal}
.spec-matrix__table tbody th a{color:var(--c-ink);border-bottom:1px solid var(--c-accent-line);transition:color .15s,border-color .15s;display:inline-block}
.spec-matrix__table tbody th a:hover{color:var(--c-accent);border-color:var(--c-accent)}
.spec-matrix__table tbody tr:nth-child(even) td,
.spec-matrix__table tbody tr:nth-child(even) th{background:var(--c-bg-soft)}
.spec-matrix__table tbody tr:hover td,
.spec-matrix__table tbody tr:hover th{background:var(--c-accent-soft)}
.spec-matrix__table tbody tr:last-child td,
.spec-matrix__table tbody tr:last-child th{border-bottom:none}
.spec-matrix__table td{font-variant-numeric:tabular-nums}

/* Badges E/B/R/M/NA */
.r{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:50%;font-weight:800;font-size:.68rem;line-height:1}
.r--e{background:#DCFCE7;color:#15803D}
.r--b{background:#DBEAFE;color:#1E40AF}
.r--r{background:#FEF3C7;color:#92400E}
.r--m{background:#FEE2E2;color:#991B1B}
.r--na{background:var(--c-bg-soft);color:var(--c-ink-5);font-size:.62rem;width:auto;padding:0 .45rem;border-radius:99px;height:20px}

/* Leyenda */
.spec-legend{display:grid;grid-template-columns:1fr;gap:1.25rem;padding:1.25rem;background:#fff;border:1px solid var(--c-line);border-radius:var(--radius);margin-top:1.5rem}
@media (min-width:640px){.spec-legend{grid-template-columns:1fr 1fr;gap:1.5rem}}
@media (min-width:900px){.spec-legend{grid-template-columns:1fr 1fr 1fr;gap:2rem;padding:1.5rem}}
.spec-legend--single{margin-top:1rem;grid-template-columns:1fr !important}
.spec-legend__col{min-width:0}
.spec-legend__title{font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--c-accent);margin-bottom:.6rem;margin-top:0}
.spec-legend__list{display:flex;flex-direction:column;gap:.35rem;font-size:.83rem;color:var(--c-ink-3)}
.spec-legend__list li{display:flex;align-items:center;gap:.5rem}
.spec-list{display:flex;flex-direction:column;gap:.4rem;font-size:.85rem;color:var(--c-ink-3)}
.spec-list li{display:flex;gap:.55rem;padding:.5rem .75rem;background:var(--c-bg-soft);border-radius:var(--radius-sm);border-left:3px solid var(--c-accent);line-height:1.45}
.spec-list li::before{content:"▸";color:var(--c-accent);font-weight:800;flex-shrink:0}

.spec-matrix__note{margin-top:1.25rem;padding:.9rem 1.1rem;background:var(--c-accent-soft);border-left:3px solid var(--c-accent);border-radius:var(--radius-sm);font-size:.88rem;color:var(--c-ink-2);line-height:1.55}

/* ============================================================
   GRID DE CATEGORÍAS (hub de materiales)
   ============================================================ */
.cat-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:1.25rem;
}
@media (min-width:640px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.cat-grid{grid-template-columns:repeat(3,1fr)}}

.cat-card{
  display:block;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  padding:1.5rem;
  transition:border-color .15s,transform .15s,box-shadow .15s;
  position:relative;
  overflow:hidden;
  min-width:0;
}
.cat-card::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:3px;
  background:var(--c-accent);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .25s;
}
.cat-card:hover{
  border-color:var(--c-accent);
  transform:translateY(-3px);
  box-shadow:var(--shadow-md);
}
.cat-card:hover::before{transform:scaleX(1)}

.cat-card__body{display:flex;flex-direction:column;gap:.5rem;height:100%}
.cat-card__eyebrow{font-size:.68rem;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--c-accent);margin:0}
.cat-card__title{font-size:1.25rem;font-weight:800;letter-spacing:-.01em;margin:0;color:var(--c-ink)}
.cat-card__desc{font-size:.9rem;color:var(--c-ink-3);line-height:1.55;margin:0}
.cat-card__list{display:flex;flex-direction:column;gap:.25rem;margin:.5rem 0 0;padding:0;list-style:none;font-size:.85rem;color:var(--c-ink-4)}
.cat-card__list li{display:flex;align-items:flex-start;gap:.4rem;line-height:1.5}
.cat-card__list li::before{content:"·";color:var(--c-accent);font-weight:900;flex-shrink:0}
.cat-card__cta{display:inline-block;margin-top:auto;padding-top:1rem;font-weight:800;color:var(--c-accent);font-size:.88rem;transition:transform .15s}
.cat-card:hover .cat-card__cta{transform:translateX(4px)}

.cat-cta{
  margin-top:2.5rem;
  padding:2rem 1.5rem;
  background:var(--c-bg-soft);
  border-radius:var(--radius);
  text-align:center;
}
.cat-cta h2{font-size:1.35rem;margin-bottom:.5rem}
.cat-cta p{color:var(--c-ink-4);max-width:60ch;margin:0 auto 1.25rem}

/* ============================================================
   CONTACTO – layout 2 columnas
   ============================================================ */
.contact-layout{
  display:grid;
  grid-template-columns:1fr;
  gap:2rem;
}
@media (min-width:900px){
  .contact-layout{
    grid-template-columns:minmax(0,1fr) minmax(0,1.3fr);
    gap:3rem;
    align-items:start;
  }
}

.contact-info{
  background:var(--c-bg-soft);
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  padding:1.5rem;
  min-width:0;
}
@media (min-width:768px){.contact-info{padding:1.75rem}}
.contact-info h2{
  font-size:1.25rem;
  margin-bottom:1.25rem;
  padding-bottom:.75rem;
  border-bottom:2px solid var(--c-accent);
}
.contact-info__item{
  display:flex;
  gap:1rem;
  align-items:flex-start;
  padding:1rem 0;
  border-bottom:1px solid var(--c-line);
}
.contact-info__item:last-of-type{border-bottom:none}
.contact-info__icon{
  flex-shrink:0;
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--c-line-2);
  border-radius:50%;
  color:var(--c-accent);
}
.contact-info__label{
  font-size:.72rem;
  font-weight:800;
  text-transform:uppercase;
  letter-spacing:.06em;
  color:var(--c-ink-5);
  margin:0 0 .2rem;
}
.contact-info__value{
  display:block;
  font-weight:700;
  font-size:1.05rem;
  color:var(--c-ink);
  word-wrap:break-word;
}
a.contact-info__value:hover{color:var(--c-accent)}
.contact-info__note{
  margin-top:1.25rem;
  padding:1rem;
  background:var(--c-accent-soft);
  border-left:3px solid var(--c-accent);
  border-radius:var(--radius-sm);
}
.contact-info__note p{margin:0;font-size:.88rem;color:var(--c-ink-2);line-height:1.6}
.contact-info__media{margin-top:1.5rem}
.contact-info__media img{
  width:100%;
  height:auto;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:var(--radius-sm);
  background:#e9e9e2;
}

.contact-form-wrapper{min-width:0}
.contact-form-wrapper h2{font-size:1.35rem;margin-bottom:.5rem}
.contact-form__lead{color:var(--c-ink-4);font-size:.95rem;margin-bottom:1.5rem;max-width:60ch}

.contact-form{
  display:flex;
  flex-direction:column;
  gap:1.1rem;
}
.contact-form__row{
  display:grid;
  grid-template-columns:1fr;
  gap:1.1rem;
}
@media (min-width:640px){
  .contact-form__row{grid-template-columns:1fr 1fr;gap:1rem}
}
.contact-form__field{display:flex;flex-direction:column;gap:.35rem;min-width:0}
.contact-form__field label{
  font-size:.85rem;
  font-weight:700;
  color:var(--c-ink-2);
}
.contact-form__field .req{color:var(--c-accent);font-weight:900}
.contact-form__field input,
.contact-form__field textarea{
  width:100%;
  font-family:inherit;
  font-size:1rem;
  color:var(--c-ink);
  background:#fff;
  border:1.5px solid var(--c-line-2);
  border-radius:var(--radius-sm);
  padding:.7rem .85rem;
  transition:border-color .15s,box-shadow .15s;
  -webkit-appearance:none;
  appearance:none;
}
.contact-form__field input:focus,
.contact-form__field textarea:focus{
  outline:none;
  border-color:var(--c-accent);
  box-shadow:0 0 0 3px rgba(217,79,30,.15);
}
.contact-form__field input:invalid:not(:placeholder-shown),
.contact-form__field textarea:invalid:not(:placeholder-shown){
  border-color:#DC2626;
}
.contact-form__field textarea{resize:vertical;min-height:140px}

.contact-form__checkbox{
  display:flex;
  align-items:flex-start;
  gap:.6rem;
  font-size:.9rem;
  color:var(--c-ink-3);
}
.contact-form__checkbox input{flex-shrink:0;margin-top:.2rem;accent-color:var(--c-accent);width:18px;height:18px}
.contact-form__checkbox label{cursor:pointer}

.contact-form__legal{
  font-size:.78rem;
  color:var(--c-ink-5);
  margin:0;
  line-height:1.5;
}

.contact-form__actions{
  display:flex;
  flex-wrap:wrap;
  gap:.6rem;
  margin-top:.5rem;
}
.contact-form__actions .btn{flex:0 0 auto}

.contact-form__status{
  margin-top:.5rem;
  font-size:.9rem;
  font-weight:600;
  min-height:1.4em;
}
.contact-form__status.is-success{color:#15803D}
.contact-form__status.is-error{color:#DC2626}

.contact-form__honeypot{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}

/* ============================================================
   CTA FINAL
   ============================================================ */
.cta-final{position:relative;background:linear-gradient(135deg,var(--c-ink) 0%,var(--c-ink-2) 100%);color:#fff;border-radius:var(--radius-lg);padding:2rem 1.25rem;text-align:center;overflow:hidden}
@media (min-width:768px){.cta-final{padding:3.5rem 2.5rem;border-radius:var(--radius-xl)}}
.cta-final::before{content:"";position:absolute;top:-50%;right:-30%;width:80%;height:200%;background:radial-gradient(circle,rgba(217,79,30,.25) 0%,transparent 60%);pointer-events:none}
.cta-final h2{color:#fff;position:relative;margin-bottom:1rem;text-wrap:balance}
.cta-final p{color:rgba(255,255,255,.82);max-width:60ch;margin:0 auto 1.5rem;position:relative;font-size:.95rem}
@media (min-width:768px){.cta-final p{font-size:1.05rem;margin-bottom:2rem}}
.cta-final__actions{display:flex;flex-wrap:wrap;gap:.6rem;justify-content:center;position:relative}
.cta-final .btn--accent{background:var(--c-accent);color:#fff}
.cta-final .btn--accent:hover{background:#fff;color:var(--c-ink);box-shadow:0 12px 32px rgba(255,255,255,.2)}
.cta-final .btn--ghost{border-color:rgba(255,255,255,.35)}
.cta-final .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.1);color:#fff}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer{background:var(--c-dark);color:#A8A8A8;padding:2.5rem 0 1.25rem;font-size:.9rem}
@media (min-width:768px){.site-footer{padding:3rem 0 1.5rem}}
.footer-grid{display:grid;grid-template-columns:1fr;gap:2rem}
@media (min-width:560px){.footer-grid{grid-template-columns:1fr 1fr;gap:2rem}}
@media (min-width:900px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:2.5rem}}
.footer-brand{min-width:0}
.footer-brand p{color:#8C8C8C;font-size:.85rem;line-height:1.7;margin-bottom:1rem;max-width:42ch}
.footer-badge{display:inline-flex;align-items:center;gap:.4rem;background:rgba(217,79,30,.12);color:var(--c-accent);border:1px solid rgba(217,79,30,.3);padding:.35rem .75rem;border-radius:99px;font-size:.7rem;font-weight:800;text-transform:uppercase;letter-spacing:.06em}
.site-footer h3{color:#fff;font-size:.75rem;margin-bottom:.85rem;text-transform:uppercase;letter-spacing:.1em;font-weight:800}
.site-footer ul{display:flex;flex-direction:column;gap:.5rem}
.site-footer a{color:#A8A8A8;font-size:.85rem;transition:color .15s}
.site-footer a:hover{color:var(--c-accent)}
.footer-contact{display:flex;flex-direction:column;gap:.6rem}
.footer-contact a{display:flex;align-items:center;gap:.5rem;color:#fff;font-weight:600}
.footer-contact a:hover{color:var(--c-accent)}
.copyright{margin-top:2rem;padding-top:1.25rem;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:.5rem;align-items:center;text-align:center;font-size:.75rem;color:#6B6B6B}
@media (min-width:640px){.copyright{flex-direction:row;justify-content:space-between;text-align:left}}
.copyright a{color:#8C8C8C;font-size:.75rem}

/* ============================================================
   CTA STICKY MÓVIL (un solo botón – sin WhatsApp)
   ============================================================ */
.mobile-cta{
  position:fixed;bottom:0;left:0;right:0;z-index:80;
  background:#fff;border-top:1px solid var(--c-line);
  padding:.55rem .75rem calc(.55rem + env(safe-area-inset-bottom,0px));
  display:grid;grid-template-columns:1fr;gap:.5rem;
  box-shadow:0 -4px 16px rgba(0,0,0,.08);
}
@media (min-width:900px){.mobile-cta{display:none}}
.mobile-cta a{display:flex;align-items:center;justify-content:center;gap:.4rem;padding:.75rem 1rem;border-radius:var(--radius-sm);font-weight:800;font-size:.9rem;transition:background .15s;text-align:center;min-width:0}
.mobile-cta__phone{background:var(--c-ink);color:#fff}
.mobile-cta__phone:hover{background:var(--c-accent)}
.mobile-cta--single{grid-template-columns:1fr}
@media (max-width:899px){
  body{padding-bottom:76px}
}

/* ============================================================
   UTILIDADES
   ============================================================ */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important;scroll-behavior:auto !important}
}

/* Grid de 2 columnas (presentaciones) */
.cat-grid--2{
  grid-template-columns:1fr;
}
@media (min-width:640px){
  .cat-grid--2{grid-template-columns:repeat(2,1fr)}
}

/* Card sin link (informativa) */
.cat-card--static{
  cursor:default;
}
.cat-card--static:hover{
  transform:none;
  box-shadow:var(--shadow-sm);
  border-color:var(--c-line);
}
.cat-card--static:hover::before{
  transform:scaleX(0);
}

/* ============================================================
   GRID DE MATERIALES (listado editorial)
   Usado en la home (versión anterior) y en /productos/rollos-y-placas/
   ============================================================ */
.mat-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:0;
  border-top:1px solid var(--c-line);
}
@media (min-width:560px){.mat-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1000px){.mat-grid{grid-template-columns:repeat(3,1fr)}}

.mat-item{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  padding:1.25rem 1.25rem;
  border-bottom:1px solid var(--c-line);
  transition:background .2s,padding .2s;
  min-width:0;
}
@media (min-width:560px){
  .mat-item{border-right:1px solid var(--c-line)}
}
.mat-item:hover{
  background:var(--c-bg-soft);
  padding-left:1.5rem;
  text-decoration:none;
}
.mat-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:3px;
  background:var(--c-accent);
  transform:scaleY(0);
  transform-origin:top;
  transition:transform .25s;
}
.mat-item:hover::before{transform:scaleY(1)}

.mat-item__text{
  display:flex;
  flex-direction:column;
  gap:.2rem;
  min-width:0;
  flex:1;
}
.mat-item__name{
  font-size:1rem;
  font-weight:800;
  color:var(--c-ink);
  letter-spacing:-.01em;
  line-height:1.3;
}
.mat-item__meta{
  font-size:.82rem;
  color:var(--c-ink-4);
  line-height:1.3;
}
.mat-item__arrow{
  color:var(--c-accent);
  font-size:1.1rem;
  font-weight:800;
  flex-shrink:0;
  transform:translateX(0);
  transition:transform .2s;
}
.mat-item:hover .mat-item__arrow{transform:translateX(4px)}

/* ============================================================
   GRID DE 2 COLUMNAS para cat-grid
   ============================================================ */
.cat-grid--2{
  grid-template-columns:1fr;
}
@media (min-width:640px){
  .cat-grid--2{grid-template-columns:repeat(2,1fr)}
}

/* Card sin link (informativa) */
.cat-card--static{cursor:default}
.cat-card--static:hover{
  transform:none;
  box-shadow:var(--shadow-sm);
  border-color:var(--c-line);
}
.cat-card--static:hover::before{transform:scaleX(0)}

/* ============================================================
   Bloque de texto para páginas de producto (contenido largo)
   ============================================================ */
.product-content{
  display:grid;
  grid-template-columns:1fr;
  gap:2rem;
  align-items:start;
}
@media (min-width:900px){
  .product-content{
    grid-template-columns:minmax(0,340px) minmax(0,1fr);
    gap:3rem;
  }
}
.product-content__media{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  background:var(--c-bg-soft);
}
.product-content__media img{
  width:100%;
  height:auto;
  aspect-ratio:4/3;
  object-fit:cover;
}
.product-content__body{min-width:0}
.product-content__body p{margin-bottom:1rem}
.product-content__body h3{margin-top:2rem;margin-bottom:.75rem}
.product-content__body h3:first-child{margin-top:0}
.product-content__body ul{margin-bottom:1rem}
.product-content__body ul li{
  position:relative;
  padding-left:1.25rem;
  margin-bottom:.35rem;
  color:var(--c-ink-3);
  line-height:1.6;
}
.product-content__body ul li::before{
  content:"▸";
  position:absolute;
  left:0;
  color:var(--c-accent);
  font-weight:800;
}

/* Tabla de especificaciones del producto */
.product-specs{
  width:100%;
  border:1px solid var(--c-line);
  border-radius:var(--radius);
  overflow:hidden;
  margin:1rem 0 1.5rem;
}
.product-specs th,
.product-specs td{
  padding:.7rem .85rem;
  text-align:left;
  font-size:.9rem;
  border-bottom:1px solid var(--c-line);
}
.product-specs thead th{
  background:var(--c-ink);
  color:#fff;
  font-weight:700;
  font-size:.72rem;
  text-transform:uppercase;
  letter-spacing:.06em;
}
.product-specs tbody tr:last-child td,
.product-specs tbody tr:last-child th{border-bottom:none}
.product-specs tbody tr:nth-child(even){background:var(--c-bg-soft)}
.product-specs tbody th{
  font-weight:700;
  color:var(--c-ink);
  background:transparent;
  width:40%;
  font-size:.85rem;
}