/* ============================================================
   INDUSTRIAS IMR — styles.css  v2 (tema claro estilo Festo)
   Identidad: azul IMR #2C93EF / #1141C6 (manual de marca 2026)
   Tipografia: Barlow (sustituto web de DIN Next) + IBM Plex Mono
   ============================================================ */

:root {
  /* Paleta de marca */
  --imr-azul: #2C93EF;          /* Pantone 2925 C */
  --imr-azul-profundo: #1141C6; /* Pantone 2935 C */
  --imr-azul-claro: #E8F3FD;    /* tinte para fondos suaves */
  --imr-navy: #0B1F3F;          /* footer y contrastes */

  /* Neutros claros */
  --imr-blanco: #FFFFFF;
  --imr-gris-banda: #F2F6FA;
  --imr-borde: #E2E9F0;
  --imr-tinta: #10151D;
  --imr-gris: #5A6B7E;
  --imr-gris-claro: #8494A6;

  /* Mapa funcional */
  --bg: var(--imr-blanco);
  --bg-soft: var(--imr-gris-banda);
  --surface: var(--imr-blanco);
  --ink: var(--imr-tinta);
  --steel: var(--imr-gris);
  --steel-light: var(--imr-gris-claro);
  --accent: var(--imr-azul);
  --accent-hover: #1478D4;
  --accent-deep: var(--imr-azul-profundo);
  --navy: var(--imr-navy);

  --font-display: "Barlow", "Segoe UI", sans-serif;
  --font-body: "Barlow", "Segoe UI", sans-serif;
  --font-mono: "IBM Plex Mono", Consolas, monospace;

  --radius: 8px;
  --radius-sm: 4px;
  --maxw: 1180px;
  --header-h: 80px;
  --shadow: 0 2px 6px rgba(16, 21, 29, .06);
  --shadow-hover: 0 14px 34px rgba(16, 21, 29, .13);
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 60;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--imr-borde);
}
.header-inner {
  height: var(--header-h);
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.brand { display: flex; align-items: center; gap: 10px; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav a {
  color: var(--ink); font-weight: 600; font-size: .98rem;
  letter-spacing: .01em; position: relative; padding: 6px 0;
}
.nav a:not(.nav-cta)::after {
  content: ""; position: absolute; left: 0; bottom: 0;
  width: 0; height: 2px; background: var(--accent);
  transition: width .22s ease;
}
.nav a:not(.nav-cta):hover::after,
.nav a:not(.nav-cta).active::after { width: 100%; }
.nav a:hover, .nav a.active { color: var(--accent-deep); }
.nav .nav-cta {
  background: var(--accent); color: #fff;
  padding: 11px 22px; border-radius: var(--radius-sm); font-weight: 700;
  transition: background .18s, transform .18s;
}
.nav .nav-cta:hover { background: var(--accent-hover); color: #fff; transform: translateY(-1px); }
.menu-toggle {
  display: none; background: none; border: 1px solid var(--imr-borde);
  color: var(--ink); font-size: 1.3rem; padding: 6px 12px;
  border-radius: var(--radius-sm); cursor: pointer;
}

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  padding: 104px 0 88px;
  background:
    radial-gradient(ellipse 55% 65% at 88% 8%, rgba(44, 147, 239, .10), transparent),
    linear-gradient(180deg, var(--imr-azul-claro) 0%, rgba(232, 243, 253, 0) 55%),
    var(--bg);
}
.hero::before {
  content: ""; position: absolute; right: -140px; top: -140px;
  width: 480px; height: 480px; border-radius: 50%;
  border: 60px solid rgba(44, 147, 239, .07);
  pointer-events: none;
}
.hero .eyebrow { margin-bottom: 18px; }
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.4vw, 4.1rem);
  font-weight: 800; line-height: 1.05; letter-spacing: -.015em;
  max-width: 860px; color: var(--ink);
}
.hero h1 .az { color: var(--accent); }
.hero .sub {
  margin-top: 22px; max-width: 640px;
  color: var(--steel); font-size: 1.15rem;
}
.hero-actions { margin-top: 36px; display: flex; gap: 14px; flex-wrap: wrap; }

/* ---------- Tipografia / secciones ---------- */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono); font-size: .76rem; font-weight: 500;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent-deep);
}
.section { padding: 84px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { max-width: 720px; margin-bottom: 44px; }
.section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; line-height: 1.15;
  margin-top: 10px; color: var(--ink);
}
.section-head h2::after {
  content: ""; display: block; width: 56px; height: 4px;
  background: var(--accent); margin-top: 16px; border-radius: 2px;
}
.section-head p { margin-top: 16px; color: var(--steel); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 13px 26px; border-radius: var(--radius-sm);
  font-family: var(--font-display); font-weight: 700; font-size: 1rem;
  border: 2px solid transparent; cursor: pointer;
  transition: all .18s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover {
  background: var(--accent-hover); color: #fff;
  transform: translateY(-2px); box-shadow: 0 8px 20px rgba(44, 147, 239, .3);
}
.btn-ghost { border-color: var(--accent); color: var(--accent-deep); background: transparent; }
.btn-ghost:hover { background: var(--imr-azul-claro); color: var(--accent-deep); transform: translateY(-2px); }
.btn-lg { padding: 16px 32px; font-size: 1.05rem; }

/* ---------- Grids y tarjetas ---------- */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }

.card {
  background: var(--surface); border: 1px solid var(--imr-borde);
  border-radius: var(--radius); padding: 30px;
  box-shadow: var(--shadow);
  transition: box-shadow .22s ease, transform .22s ease, border-color .22s ease;
  position: relative; overflow: hidden;
}
.card::before {
  content: ""; position: absolute; top: 0; left: 0; right: 0;
  height: 3px; background: var(--accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform .25s ease;
}
.card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); border-color: transparent; }
.card:hover::before { transform: scaleX(1); }
.card h3 {
  font-family: var(--font-display); font-weight: 700; font-size: 1.25rem;
  margin-bottom: 10px; color: var(--ink);
}
.card p { color: var(--steel); font-size: .95rem; }
.card .tag {
  display: inline-block; margin-bottom: 14px;
  font-family: var(--font-mono); font-size: .66rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent-deep);
  background: var(--imr-azul-claro); border-radius: 100px; padding: 5px 12px;
}
.card .more { display: inline-block; margin-top: 16px; font-weight: 700; font-size: .9rem; }

/* Pilares */
.pilar { border-left: 4px solid var(--accent); }
.pilar .num {
  font-family: var(--font-mono); font-size: 2.4rem; font-weight: 600;
  color: var(--accent); opacity: .35; line-height: 1;
}

/* Constelacion */
.empresa-card { display: flex; flex-direction: column; }
.empresa-card .dominio {
  font-family: var(--font-mono); font-size: .78rem; color: var(--steel);
  margin-top: auto; padding-top: 18px;
}
.empresa-card .estado {
  font-family: var(--font-mono); font-size: .68rem; color: var(--steel-light);
  text-transform: uppercase; letter-spacing: .1em;
}

/* Cifras */
.cifras {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
  text-align: center;
}
.cifra .valor {
  font-family: var(--font-display); font-size: 2.8rem; font-weight: 800;
  color: var(--accent-deep); line-height: 1.1;
}
.cifra .etiqueta {
  margin-top: 8px; color: var(--steel); font-size: .88rem;
  text-transform: uppercase; letter-spacing: .08em; font-weight: 600;
}

/* ---------- Listas tecnicas ---------- */
.tech-list { list-style: none; }
.tech-list li {
  padding: 15px 0; border-bottom: 1px solid var(--imr-borde);
  display: flex; gap: 14px; align-items: baseline;
}
.tech-list li::before {
  content: "//"; font-family: var(--font-mono); color: var(--accent);
  font-size: .85rem; font-weight: 600;
}
.tech-list b { color: var(--ink); }
.tech-list span { color: var(--steel); }

/* Tabla tecnica */
table.tabla-tec {
  width: 100%; border-collapse: collapse; font-size: .95rem;
  background: var(--surface); border: 1px solid var(--imr-borde);
  border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow);
}
.tabla-tec th, .tabla-tec td {
  text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--imr-borde);
}
.tabla-tec tr:last-child td { border-bottom: none; }
.tabla-tec th {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em;
  text-transform: uppercase; color: var(--accent-deep); font-weight: 500;
  background: var(--bg-soft);
}
.tabla-tec td { color: var(--steel); }
.tabla-tec td:first-child { color: var(--ink); font-weight: 600; }

/* ---------- Breadcrumbs ---------- */
.crumbs {
  padding: 18px 0; font-size: .85rem; color: var(--steel-light);
  font-family: var(--font-mono);
}
.crumbs a { color: var(--steel); }
.crumbs a:hover { color: var(--accent); }
.crumbs span { margin: 0 8px; color: var(--imr-borde); }

/* ---------- CTA band ---------- */
.cta-band {
  background: linear-gradient(120deg, var(--accent-deep) 0%, var(--accent) 100%);
  border-radius: var(--radius); padding: 56px;
  display: flex; align-items: center; justify-content: space-between; gap: 32px;
  flex-wrap: wrap; position: relative; overflow: hidden;
}
.cta-band::after {
  content: ""; position: absolute; right: -60px; bottom: -100px;
  width: 300px; height: 300px; border-radius: 50%;
  border: 40px solid rgba(255, 255, 255, .08); pointer-events: none;
}
.cta-band h2 {
  font-family: var(--font-display); font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 800; color: #fff; max-width: 560px;
}
.cta-band p { color: rgba(255, 255, 255, .85); margin-top: 8px; }
.cta-band .btn-primary { background: #fff; color: var(--accent-deep); position: relative; z-index: 1; }
.cta-band .btn-primary:hover { background: var(--imr-azul-claro); color: var(--accent-deep); box-shadow: 0 8px 20px rgba(0, 0, 0, .18); }

/* ---------- Footer (navy, estilo Festo) ---------- */
.site-footer {
  background: var(--navy); color: #C7D3E2;
  padding: 64px 0 32px; font-size: .92rem;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 {
  font-family: var(--font-mono); font-size: .74rem; letter-spacing: .14em;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px; font-weight: 500;
}
.site-footer a { display: block; color: #C7D3E2; padding: 4px 0; }
.site-footer a:hover { color: #fff; }
.footer-about { color: #8FA3BC; margin-top: 12px; }
.footer-bottom {
  margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255, 255, 255, .12);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
  color: #8FA3BC; font-size: .82rem; font-family: var(--font-mono);
}

/* ---------- WhatsApp flotante ---------- */
.wa-float {
  position: fixed; right: 22px; bottom: 22px; z-index: 70;
  width: 58px; height: 58px; border-radius: 50%;
  background: #25D366; display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 22px rgba(16, 21, 29, .25);
  transition: transform .18s;
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 30px; height: 30px; fill: #fff; }

/* ---------- Animaciones de aparicion ---------- */
.reveal {
  opacity: 0; transform: translateY(22px);
  transition: opacity .55s ease, transform .55s ease;
}
.reveal.visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cifras { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 680px) {
  .nav {
    display: none;
    position: absolute; top: var(--header-h); left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--imr-borde);
    box-shadow: var(--shadow-hover);
    flex-direction: column; padding: 20px 24px; gap: 18px; align-items: flex-start;
  }
  .nav.open { display: flex; }
  .menu-toggle { display: block; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
  .cta-band { padding: 36px 24px; }
}