/* ===========================================================
   K2 Comercial — Hoja de estilos principal
   Paleta: azul industrial + gris acero, celeste como acento
   Diseño responsive, mobile-first
   =========================================================== */

:root {
  --azul-oscuro: #0a2540;
  --azul: #0f4c81;
  --azul-medio: #1b6ca8;
  --celeste: #2ea8df;
  --celeste-claro: #d9f0fb;
  --acero: #5b6b7b;
  --acero-claro: #8a99a8;
  --gris-fondo: #f4f7fa;
  --gris-borde: #e2e8ef;
  --blanco: #ffffff;
  --texto: #1f2d3d;
  --texto-suave: #51606f;
  --sombra: 0 6px 24px rgba(10, 37, 64, .08);
  --sombra-fuerte: 0 14px 40px rgba(10, 37, 64, .16);
  --radio: 14px;
  --radio-sm: 9px;
  --max: 1180px;
  --trans: .25s ease;
  font-synthesis: none;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--azul-medio); text-decoration: none; transition: color var(--trans); }
a:hover { color: var(--celeste); }

h1, h2, h3, h4 { line-height: 1.2; color: var(--azul-oscuro); font-weight: 700; }

.container { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 22px; }

.seccion { padding: 72px 0; }
.seccion--gris { background: var(--gris-fondo); }
.seccion__titulo { font-size: clamp(1.6rem, 3.5vw, 2.3rem); margin-bottom: 12px; }
.seccion__intro { color: var(--texto-suave); max-width: 720px; margin-bottom: 42px; font-size: 1.05rem; }
.centrado { text-align: center; }
.centrado .seccion__intro { margin-left: auto; margin-right: auto; }

.eyebrow {
  display: inline-block;
  font-size: .8rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase;
  color: var(--celeste); margin-bottom: 14px;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 9px;
  padding: 13px 26px; border-radius: 999px; font-weight: 600; font-size: .98rem;
  cursor: pointer; border: 2px solid transparent; transition: var(--trans); white-space: nowrap;
}
.btn--primario { background: var(--celeste); color: #fff; }
.btn--primario:hover { background: var(--azul-medio); color: #fff; transform: translateY(-2px); }
.btn--claro { background: #fff; color: var(--azul); }
.btn--claro:hover { background: var(--celeste-claro); color: var(--azul); transform: translateY(-2px); }
.btn--linea { border-color: rgba(255,255,255,.55); color: #fff; }
.btn--linea:hover { background: rgba(255,255,255,.12); color: #fff; }
.btn--ghost { border-color: var(--gris-borde); color: var(--azul); background:#fff; }
.btn--ghost:hover { border-color: var(--celeste); color: var(--celeste); }

/* ---------- Header ---------- */
.header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--gris-borde);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 72px; }
.header__logo { display: flex; align-items: center; gap: 12px; }
.header__logo img { height: 46px; width: auto; }
.header__logo span { font-weight: 800; color: var(--azul-oscuro); font-size: 1.18rem; letter-spacing: .01em; }
.nav { display: flex; align-items: center; gap: 6px; }
.nav a {
  color: var(--texto); font-weight: 500; font-size: .96rem; padding: 9px 14px; border-radius: 8px;
}
.nav a:hover, .nav a.activo { color: var(--azul); background: var(--celeste-claro); }
.nav .btn { margin-left: 8px; }
.nav__toggle {
  display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px;
}
.nav__toggle span { width: 26px; height: 3px; background: var(--azul-oscuro); border-radius: 3px; transition: var(--trans); }

@media (max-width: 920px) {
  .nav__toggle { display: flex; }
  .nav {
    position: fixed; inset: 72px 0 auto 0; flex-direction: column; align-items: stretch; gap: 2px;
    background: #fff; padding: 14px 22px 24px; border-bottom: 1px solid var(--gris-borde);
    box-shadow: var(--sombra); transform: translateY(-130%); transition: transform .3s ease; max-height: calc(100vh - 72px); overflow:auto;
  }
  .nav.abierto { transform: translateY(0); }
  .nav a { padding: 13px 12px; border-radius: 8px; }
  .nav .btn { margin: 8px 0 0; justify-content: center; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative; color: #fff; overflow: hidden;
  background: linear-gradient(125deg, var(--azul-oscuro) 0%, var(--azul) 55%, var(--azul-medio) 100%);
}
.hero::after {
  content: ""; position: absolute; right: -120px; top: -120px; width: 520px; height: 520px; border-radius: 50%;
  background: radial-gradient(circle at center, rgba(46,168,223,.45), transparent 65%);
}
.hero__inner { position: relative; z-index: 2; padding: 96px 0 104px; max-width: 760px; }
.hero h1 { color: #fff; font-size: clamp(2.1rem, 5.2vw, 3.5rem); margin-bottom: 18px; }
.hero p { font-size: clamp(1.05rem, 2.2vw, 1.3rem); color: rgba(255,255,255,.9); margin-bottom: 32px; }
.hero__acciones { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__tira {
  position: relative; z-index: 2; display: flex; flex-wrap: wrap; gap: 28px 48px;
  padding: 22px 0 30px; border-top: 1px solid rgba(255,255,255,.18);
}
.hero__stat strong { display: block; font-size: 1.9rem; color: #fff; }
.hero__stat span { color: rgba(255,255,255,.78); font-size: .92rem; }

/* Hero compacto para páginas internas */
.subhero {
  background: linear-gradient(125deg, var(--azul-oscuro), var(--azul));
  color: #fff; padding: 60px 0 56px; position: relative; overflow: hidden;
}
.subhero::after {
  content:""; position:absolute; right:-80px; bottom:-140px; width:380px; height:380px; border-radius:50%;
  background: radial-gradient(circle, rgba(46,168,223,.4), transparent 65%);
}
.subhero__inner { position: relative; z-index: 2; }
.subhero h1 { color: #fff; font-size: clamp(1.8rem, 4.5vw, 2.8rem); }
.subhero p { color: rgba(255,255,255,.88); max-width: 680px; margin-top: 12px; font-size: 1.05rem; }
.breadcrumb { font-size: .85rem; color: rgba(255,255,255,.7); margin-bottom: 14px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }

/* ---------- Grid de áreas/servicios ---------- */
.grid { display: grid; gap: 24px; }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
@media (max-width: 900px){ .grid--3, .grid--4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 600px){ .grid--2, .grid--3, .grid--4 { grid-template-columns: 1fr; } }

.tarjeta {
  background: #fff; border: 1px solid var(--gris-borde); border-radius: var(--radio); padding: 26px;
  box-shadow: var(--sombra); transition: var(--trans);
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra-fuerte); border-color: #cfe6f5; }
.tarjeta__icono {
  width: 50px; height: 50px; border-radius: 12px; display: grid; place-items: center; margin-bottom: 16px;
  background: var(--celeste-claro); color: var(--azul); font-size: 1.4rem;
}
.tarjeta h3 { font-size: 1.15rem; margin-bottom: 8px; }
.tarjeta p { color: var(--texto-suave); font-size: .96rem; }

/* ---------- Grid de marcas ---------- */
.marcas-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
@media (max-width: 880px){ .marcas-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px){ .marcas-grid { grid-template-columns: 1fr; } }

.marca-card {
  background: #fff; border: 1px solid var(--gris-borde); border-radius: var(--radio); overflow: hidden;
  display: flex; flex-direction: column; box-shadow: var(--sombra); transition: var(--trans);
}
.marca-card:hover { transform: translateY(-5px); box-shadow: var(--sombra-fuerte); border-color: #cfe6f5; }
.marca-card__img {
  height: 168px; background: #fff; display: grid; place-items: center; padding: 20px;
  border-bottom: 1px solid var(--gris-borde);
}
.marca-card__img img { max-height: 128px; width: auto; object-fit: contain; }
.marca-card__body { padding: 20px 22px 22px; display: flex; flex-direction: column; flex: 1; }
.tag {
  align-self: flex-start; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  color: var(--azul-medio); background: var(--celeste-claro); padding: 4px 11px; border-radius: 999px; margin-bottom: 12px;
}
.marca-card h3 { font-size: 1.18rem; margin-bottom: 8px; }
.marca-card p { color: var(--texto-suave); font-size: .93rem; flex: 1; }
.marca-card__link { margin-top: 16px; font-weight: 600; color: var(--azul-medio); display: inline-flex; gap: 6px; }
.marca-card__link::after { content: "→"; transition: transform var(--trans); }
.marca-card:hover .marca-card__link::after { transform: translateX(4px); }

/* ---------- Filtro de categorías ---------- */
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 34px; }
.filtro-btn {
  border: 1px solid var(--gris-borde); background: #fff; color: var(--texto-suave);
  padding: 8px 17px; border-radius: 999px; font-size: .9rem; font-weight: 600; cursor: pointer; transition: var(--trans);
}
.filtro-btn:hover { border-color: var(--celeste); color: var(--azul); }
.filtro-btn.activo { background: var(--azul); border-color: var(--azul); color: #fff; }

/* ---------- Página de marca ---------- */
.marca-detalle { display: grid; grid-template-columns: 1fr 1.25fr; gap: 48px; align-items: start; }
@media (max-width: 820px){ .marca-detalle { grid-template-columns: 1fr; gap: 28px; } }
.marca-detalle__media {
  background: #fff; border: 1px solid var(--gris-borde); border-radius: var(--radio); padding: 28px;
  display: grid; place-items: center; box-shadow: var(--sombra); position: sticky; top: 92px;
}
@media (max-width: 820px){ .marca-detalle__media { position: static; } }
.marca-detalle__media img { max-height: 320px; object-fit: contain; }
.marca-detalle__texto p { color: var(--texto-suave); margin-bottom: 16px; }
.marca-detalle__texto h2 { margin-bottom: 16px; }
.dato-oficial { margin: 18px 0 6px; font-size: .95rem; }

/* ---------- Catálogos / descargas ---------- */
.cat-lista { display: grid; gap: 14px; }
.cat-item {
  display: flex; align-items: center; gap: 16px; background: #fff; border: 1px solid var(--gris-borde);
  border-radius: var(--radio-sm); padding: 16px 18px; transition: var(--trans);
}
.cat-item:hover { border-color: var(--celeste); box-shadow: var(--sombra); }
.cat-item__pdf {
  flex: none; width: 44px; height: 44px; border-radius: 9px; background: #fdecec; color: #d6453f;
  display: grid; place-items: center; font-weight: 800; font-size: .72rem;
}
.cat-item__info { flex: 1; min-width: 0; }
.cat-item__info strong { display: block; color: var(--azul-oscuro); font-size: .98rem; }
.cat-item__info span { color: var(--acero-claro); font-size: .82rem; }
.cat-item .btn { flex: none; padding: 9px 18px; font-size: .88rem; }

.cat-grupo { margin-bottom: 38px; }
.cat-grupo__titulo { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.cat-grupo__titulo img { height: 38px; width: auto; }
.cat-grupo__titulo h3 { font-size: 1.25rem; }

/* ---------- Bloque CTA ---------- */
.cta {
  background: linear-gradient(125deg, var(--azul) 0%, var(--azul-medio) 100%); color: #fff;
  border-radius: var(--radio); padding: 48px; text-align: center; box-shadow: var(--sombra-fuerte);
}
.cta h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2rem); margin-bottom: 12px; }
.cta p { color: rgba(255,255,255,.9); max-width: 560px; margin: 0 auto 26px; }
.cta__acciones { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Contacto ---------- */
.contacto-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
@media (max-width: 820px){ .contacto-grid { grid-template-columns: 1fr; } }
.contacto-dato { display: flex; gap: 14px; margin-bottom: 20px; }
.contacto-dato__icono { flex: none; width: 42px; height: 42px; border-radius: 10px; background: var(--celeste-claro); color: var(--azul); display: grid; place-items: center; font-size: 1.1rem; }
.contacto-dato strong { display:block; color: var(--azul-oscuro); }
.contacto-dato a, .contacto-dato span { color: var(--texto-suave); }
.form-campo { margin-bottom: 16px; }
.form-campo label { display: block; font-weight: 600; font-size: .9rem; margin-bottom: 6px; color: var(--azul-oscuro); }
.form-campo input, .form-campo textarea {
  width: 100%; padding: 12px 14px; border: 1px solid var(--gris-borde); border-radius: var(--radio-sm);
  font: inherit; color: var(--texto); background: #fff; transition: var(--trans);
}
.form-campo input:focus, .form-campo textarea:focus { outline: none; border-color: var(--celeste); box-shadow: 0 0 0 3px var(--celeste-claro); }
.form-nota { font-size: .82rem; color: var(--acero-claro); margin-top: 10px; }
.mapa { border: 0; width: 100%; height: 320px; border-radius: var(--radio); margin-top: 30px; }

/* ---------- Lista de servicios ---------- */
.serv-lista { display: grid; grid-template-columns: repeat(2,1fr); gap: 20px; }
@media (max-width: 720px){ .serv-lista { grid-template-columns: 1fr; } }
.serv-item { background:#fff; border:1px solid var(--gris-borde); border-radius: var(--radio); padding: 24px; box-shadow: var(--sombra); }
.serv-item h3 { font-size: 1.08rem; margin-bottom: 8px; display:flex; gap:10px; align-items:baseline;}
.serv-item h3 .num { color: var(--celeste); font-weight: 800; font-size: .95rem; }
.serv-item p { color: var(--texto-suave); font-size: .95rem; }

/* ---------- Franja de regiones ---------- */
.regiones { background: var(--azul-oscuro); color:#fff; padding: 30px 0; }
.regiones__inner { display:flex; flex-wrap:wrap; align-items:center; gap: 10px 26px; justify-content:center; text-align:center; }
.regiones strong { color:#fff; font-size: 1.05rem; }
.regiones span { color: rgba(255,255,255,.85); font-weight:600; }
.regiones .sep { color: var(--celeste); }

/* ---------- Footer ---------- */
.footer { background: var(--azul-oscuro); color: rgba(255,255,255,.78); padding: 56px 0 26px; font-size: .92rem; }
.footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; margin-bottom: 36px; }
@media (max-width: 760px){ .footer__grid { grid-template-columns: 1fr; gap: 28px; } }
.footer__logo { display:flex; align-items:center; gap: 12px; margin-bottom: 14px; }
.footer__logo img { height: 42px; background:#fff; border-radius:8px; padding:5px; }
.footer__logo span { color:#fff; font-weight: 800; font-size: 1.1rem; }
.footer h4 { color: #fff; font-size: 1rem; margin-bottom: 14px; }
.footer a { color: rgba(255,255,255,.78); }
.footer a:hover { color: var(--celeste); }
.footer ul { list-style: none; }
.footer ul li { margin-bottom: 9px; }
.footer__bottom { border-top: 1px solid rgba(255,255,255,.14); padding-top: 22px; display:flex; flex-wrap:wrap; gap:8px; justify-content: space-between; color: rgba(255,255,255,.6); font-size: .85rem; }

/* ---------- Botón flotante de WhatsApp ---------- */
.wa-flotante {
  position: fixed; right: 22px; bottom: 22px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; color: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(37, 211, 102, .45), 0 4px 12px rgba(0,0,0,.18);
  transition: transform .2s ease, box-shadow .2s ease;
}
.wa-flotante:hover { transform: scale(1.09); box-shadow: 0 8px 26px rgba(37, 211, 102, .55), 0 6px 16px rgba(0,0,0,.22); }
.wa-flotante:active { transform: scale(1.02); }
.wa-flotante svg { display: block; }
@media (max-width: 600px) {
  .wa-flotante { width: 52px; height: 52px; right: 16px; bottom: 16px; }
  .wa-flotante svg { width: 28px; height: 28px; }
}

/* ---------- utilidades ---------- */
.oculto { display: none !important; }
.mb-0 { margin-bottom: 0; }