/*
 * ============================================================
 *  equipamiento-base.css — Estilos compartidos Concepto Equipamiento
 *  VMS Energy · v1.0 · Mayo 2026
 * ============================================================
 *
 *  REQUISITO: cargar tokens.css ANTES que este archivo.
 *  Uso: <html data-concept="equipamiento">
 *       <link rel="stylesheet" href="tokens.css">
 *       <link rel="stylesheet" href="equipamiento-base.css">
 *
 *  Identidad: slate técnico — transmite precisión, confiabilidad,
 *  especificación rigurosa. Primario #334155, acento cobre #D97706.
 *
 *  Cada página agrega <style> con sus componentes técnicos únicos
 *  (tablas de especificaciones, topologías, curvas, etc.)
 * ============================================================
 */


/* ── Reset & base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0 }
html { scroll-behavior: smooth }
body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: #fff;
  line-height: 1.6;
}
h1, h2, h3, h4 { font-family: var(--font-body); margin: 0 }
p { margin: 0 }
img { max-width: 100%; display: block }
a { text-decoration: none; color: inherit }


/* ── Layout ── */
.container { max-width: 1200px; margin-inline: auto; padding: 0 20px }


/* ── Header / Nav (idéntico al resto del sitio) ── */
header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: #fff;
  border-bottom: 1px solid rgba(23,44,81,.08);
  backdrop-filter: saturate(180%) blur(8px);
}
.topbar { display: flex; align-items: center; justify-content: space-between; padding: 10px 0 }
.brand__logo {
  width: clamp(168px,18vw,210px);
  height: clamp(54px,6vw,66px);
  border-radius: 10px;
  background: #fff;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(23,44,81,.14);
}
.brand__logo img { max-width: 94%; max-height: 88%; width: auto; height: auto; object-fit: contain; display: block }
nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 18px; flex-wrap: wrap; align-items: center }
nav a { color: var(--navy); text-decoration: none; font-weight: 700; letter-spacing: .2px }
.cta-header { padding: .6rem 1rem; background: var(--cobalt); color: #fff !important; border-radius: 999px }
.menu-toggle { display: none; border: 1px solid rgba(23,44,81,.2); border-radius: 10px; padding: .5rem .7rem; background: #fff; cursor: pointer; font-weight: 700; color: var(--navy); font-family: var(--font-body) }
.nav-item--has-submenu { position: relative }
.nav-item--has-submenu::after { content: ""; position: absolute; left: 0; right: 0; top: 100%; height: 12px }
.submenu {
  margin: 0; padding: 10px 12px;
  position: absolute; top: 100%; left: 0;
  min-width: 320px;
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 12px;
  box-shadow: var(--shadow-nav);
  display: none;
  z-index: 60;
}
.nav-item--has-submenu:hover .submenu,
.nav-item--has-submenu:has(:focus-visible) .submenu { display: block }
.nav-item--has-submenu:hover .submenu--mega,
.nav-item--has-submenu:has(:focus-visible) .submenu--mega { display: flex }
/* Un solo submenu visible a la vez: si un ítem siguiente está activo, ocultar el submenu del ítem previo */
@media (min-width: 681px) {
  .nav-item--has-submenu:has(~ .nav-item--has-submenu:hover) .submenu,
  .nav-item--has-submenu:has(~ .nav-item--has-submenu :focus-visible) .submenu { display: none }
}
.submenu__group + .submenu__group { margin-top: 10px; padding-top: 10px; border-top: 1px solid rgba(23,44,81,.1) }
.submenu__title { display: block; color: #0f4c81; font-size: .76rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; margin: 0 0 6px; text-decoration: none }
.submenu__list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px }
.submenu__list a { display: block; color: #12365f; font-weight: 600; font-size: .9rem; line-height: 1.25; padding: 3px 0 }
.submenu--mega { min-width: 500px; gap: 0 }
.submenu--mega .submenu__group { flex: 1; min-width: 0 }
.submenu--mega .submenu__group + .submenu__group { margin-top: 0; padding-top: 0; border-top: none; padding-left: 14px; border-left: 1px solid rgba(23,44,81,.1) }


/* ── Botones ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border-radius: 14px;
  padding: 11px 20px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  font-size: .97rem;
  font-family: var(--font-body);
  transition: opacity .18s, transform .18s;
}
.btn:hover { opacity: .88; transform: translateY(-1px) }

.btn--ghost { background: transparent; border-color: rgba(255,255,255,.38); color: #fff }
.btn--outline { background: transparent; border-color: var(--concept-primary); color: var(--concept-primary) }


/* ── Hero Equipamiento — dark slate overlay ── */
/* La imagen de fondo es específica de cada página — se define en el <style> local */
.hero {
  position: relative;
  isolation: isolate;
  color: #fff;
  min-height: 440px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--equip-hero-overlay,
    linear-gradient(100deg, rgba(8,20,40,.94) 0%, rgba(30,41,59,.88) 50%, rgba(51,65,85,.72) 100%)),
    var(--equip-hero-img, url('assets/img/hero_que_hacemos_VMS_Energy.webp')) center/cover no-repeat;
  z-index: -1;
}
.hero .container { padding: 80px 20px 72px }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: .28rem .72rem;
  border: 1px solid rgba(255,255,255,.32);
  border-radius: 999px;
  font-size: .8rem;
  margin: 0 0 16px;
}
.hero h1 { margin: 0 0 12px; font-size: clamp(28px,4.4vw,50px); line-height: 1.06 }
.hero h1 em { font-style: normal; color: var(--concept-kpi-val) } /* slate-400 */
.hero p { margin: 0 0 24px; max-width: 740px; font-size: clamp(15px,1.8vw,19px); color: #e2ecf9 }
.hero-btns { display: flex; gap: 12px; flex-wrap: wrap }
.hero-stats { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 26px }
.hero-stat {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: .3rem .8rem;
  border-radius: 999px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.18);
  font-size: .82rem;
  color: #e2e8f0;
  font-weight: 700;
}


/* ── Secciones ── */
.section { padding: 56px 0 }
.section--alt { background: var(--concept-section-alt) }
.section--dark { background: var(--concept-section-dark); color: #fff }
.section--spec { background: var(--bg-soft) } /* para tablas de especificaciones */


/* ── Tabla de parámetros / especificaciones (compartida) ── */
.param-table { width: 100%; border-collapse: collapse; margin-top: 20px; font-size: .9rem }
.param-table th {
  background: var(--concept-primary);
  color: #fff;
  padding: 10px 14px;
  text-align: left;
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .06em;
}
.param-table td { padding: 10px 14px; border-bottom: 1px solid var(--border-line); color: #374151; vertical-align: top }
.param-table tr:nth-child(even) td { background: var(--concept-section-alt) }
.param-table tr:last-child td { border-bottom: none }
/* Valor destacado de spec (acento cobre) */
.param-table .spec-val { font-weight: 800; color: var(--spec-accent) }


/* ── Normas / Certificaciones (compartida) ── */
.normas-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top: 20px }
.norma-card {
  background: #fff;
  border: 1px solid var(--border-line);
  border-radius: 12px;
  padding: 16px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.norma-card__code {
  font-size: .8rem;
  font-weight: 800;
  font-family: monospace;
  color: var(--spec-badge-norm); /* cobalt — normas siempre en azul corporativo */
  white-space: nowrap;
  background: var(--spec-accent-light);
  padding: .2rem .5rem;
  border-radius: 6px;
  flex-shrink: 0;
}
.norma-card__text { font-size: .85rem; color: #374151; line-height: 1.4 }


/* ── CTA Band (compartida) ── */
.cta-band {
  background: linear-gradient(135deg, var(--concept-darker), var(--concept-primary));
  padding: 52px 0;
  text-align: center;
  color: #fff;
}
.cta-band h2 { margin: 0 0 10px; font-size: clamp(22px,3vw,34px) }
.cta-band p { margin: 0 0 24px; color: var(--concept-kpi-val); font-size: clamp(14px,1.5vw,17px) }
.cta-band-btns { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap }


/* ── FAQ (con <details> nativo — estilo Equipamiento) ── */
.faq-list { max-width: 760px; margin: 24px auto 0 }
details.faq {
  border: 1px solid var(--border-line);
  border-radius: 12px;
  margin-bottom: 9px;
  background: #fff;
  overflow: hidden;
}
details.faq[open] { border-color: rgba(51,65,85,.3) }
details.faq summary {
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 14px 18px;
  font-weight: 700;
  font-size: .95rem;
  color: #12365f;
  list-style: none;
  gap: 12px;
  font-family: var(--font-body);
}
details.faq summary::-webkit-details-marker { display: none }
details.faq summary::after { content: "+"; font-size: 1.3rem; font-weight: 400; color: var(--concept-primary); flex-shrink: 0 }
details.faq[open] summary::after { content: "−" }
.faq-body { padding: 0 18px 16px; color: #374151; font-size: .91rem; line-height: 1.6 }
/* También soporta el patrón aria de las páginas sectoriales */
.faq-block { display: grid; gap: 10px; margin-top: 24px }
.faq-item { border: 1px solid var(--border-line); border-radius: 10px; overflow: hidden }
.faq-q {
  width: 100%; background: #fff; border: none; text-align: left;
  padding: 15px 18px; font-weight: 700; color: var(--navy); cursor: pointer;
  font-size: .94rem; display: flex; justify-content: space-between; align-items: center;
  gap: 10px; font-family: var(--font-body);
}
.faq-q::after { content: "＋"; font-size: 1.1rem; color: var(--concept-primary); flex-shrink: 0 }
.faq-q[aria-expanded="true"]::after { content: "－" }
.faq-a { padding: 0 18px; max-height: 0; overflow: hidden; transition: max-height .3s ease, padding .3s ease; font-size: .9rem; color: #4b5563; line-height: 1.65 }
.faq-a.is-open { max-height: 400px; padding: 0 18px 16px }


/* ── Sticky buttons ── */
.sticky-wa { position: fixed; bottom: 22px; left: 18px; z-index: 99 }
.sticky-wa a { display: flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: 999px; background: #25d366; box-shadow: 0 4px 14px rgba(37,211,102,.35); text-decoration: none }
.sticky-wa a svg { width: 26px; height: 26px; fill: #fff }
.sticky-cta { position: fixed; bottom: 22px; right: 18px; z-index: 99 }
.sticky-cta a { display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; background: var(--concept-primary); color: #fff; border-radius: 999px; font-weight: 700; font-size: .9rem; text-decoration: none; box-shadow: 0 4px 14px rgba(51,65,85,.35); font-family: var(--font-body) }


/* ── Footer ── */
.foot { background: #0b1428; color: #cbd5e1; font-family: var(--font-body) }
#footer .container { display: grid; grid-template-columns: 1.25fr 1fr 1fr 1fr 1fr; gap: 18px; padding: 40px 0; align-items: start }
#footer h4 { margin: 0 0 10px; font-size: 1rem; color: #fff }
#footer ul { margin: 0; padding: 0; list-style: none; font-size: 14px; line-height: 1.7 }
#footer a { word-break: break-word }
.foot-link { color: #cbd5e1; text-decoration: none }
.foot-link:hover { color: #fff }
.foot-social__link { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 999px; border: 1px solid rgba(203,213,225,.35); color: #cbd5e1 }
.foot-social__link svg { width: 18px; height: 18px; fill: currentColor }
.foot-note { border-top: 1px solid rgba(255,255,255,.12); text-align: center; padding: 12px 0; color: #94a3b8; font-size: 13px }


/* ── Reveal animation ── */
.reveal { opacity: 0; transform: translateY(18px); animation: fadeUp .6s ease forwards }
.delay-1 { animation-delay: .12s }
.delay-2 { animation-delay: .24s }
.delay-3 { animation-delay: .36s }
@keyframes fadeUp { to { opacity: 1; transform: translateY(0) } }


/* ── Responsive ── */
@media (max-width: 1300px) {
  #footer .container { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 20px; padding: 34px 0 }
}
@media (max-width: 980px) {
  #footer .container { grid-template-columns: repeat(2,minmax(0,1fr)) }
  nav ul { gap: 14px }
  .submenu { min-width: 280px }
  .normas-grid { grid-template-columns: 1fr 1fr }
}
@media (max-width: 700px) {
  #footer .container { grid-template-columns: 1fr; gap: 16px; padding: 24px 0 }
  .normas-grid { grid-template-columns: 1fr }
}
@media (max-width: 680px) {
  nav ul {
    display: none;
    position: absolute; right: 20px; top: 92px;
    background: #fff;
    border: 1px solid var(--border-line);
    border-radius: 12px;
    padding: 10px;
    min-width: 0;
    width: min(290px, calc(100vw - 40px));
    box-shadow: var(--shadow-nav);
  }
  nav ul.is-open { display: grid; gap: 10px }
  .menu-toggle { display: inline-flex }
  .submenu { position: static; display: none; min-width: 0; border: 0; box-shadow: none; padding: 8px 0 0 12px }
  .nav-item--has-submenu.is-open .submenu { display: block }
}

/* ── Ref Grid — Proyectos de referencia ─────────────────────────────────── */








/* ── Ref Grid — Proyectos de referencia ─────────────────────────────────── */



/* ---- Panel de contexto (26-ago-2026) ----------------------------------------
   .notes-panel y sus clases hijas existian en el marcado de 4 paginas de cable
   (11 paneles) sin NINGUNA regla en ninguna hoja: se veian con los estilos por
   defecto del navegador. Estos valores replican los de .sec-label / .sec-h2 /
   .sec-lead para que el panel hable el mismo idioma que el resto del sitio. */
.notes-panel { background: #fff; border: 1px solid var(--border-line);
  border-radius: var(--radius-card); padding: clamp(20px, 3vw, 30px);
  box-shadow: 0 6px 18px rgba(9, 32, 58, .05) }
.notes-panel + .notes-panel { margin-top: 16px }
.notes-panel__head { margin: 0 0 14px }
.notes-panel__tag { display: inline-block; margin: 0 0 10px; padding: .2rem .7rem;
  border-radius: 999px; background: var(--concept-accent-light);
  color: var(--concept-accent-text); font-size: .72rem; font-weight: 800;
  letter-spacing: .1em; text-transform: uppercase }
.notes-panel__title { margin: 0; font-size: clamp(20px, 2.6vw, 28px);
  font-weight: 900; line-height: 1.2; color: var(--concept-dark) }
.notes-panel__sub { margin: 0 0 18px; max-width: var(--max-width-read);
  color: var(--text-muted); line-height: 1.65 }
.note-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px;
  max-width: var(--max-width-read) }
.note-list li { position: relative; padding-left: 20px;
  color: var(--text-muted); line-height: 1.65 }
.note-list li::before { content: ""; position: absolute; left: 0; top: .62em;
  width: 8px; height: 8px; border-radius: 2px;
  background: var(--concept-primary, #0F4C81) }
.note-list strong { color: var(--concept-dark) }
