/* ===========================================================================
   Delta Data — hoja de estilos única
   Paleta tomada del banner: azul profundo a turquesa. El verde aparece solo
   en el botón que lleva a Delta Consulting, para que se lea como otra marca.
   =========================================================================== */

:root {
  --abismo: #00071c;
  --noche: #00112e;
  --marino: #002a54;
  --profundo: #003e6b;
  --acero: #04567e;
  --petroleo: #04698d;
  --turquesa: #1397af;
  --cian: #22d3ee;
  --cian-claro: #7de9f7;
  --hielo: #dff6fd;
  --verde: #0f6e52;
  --verde-claro: #2e9e6b;

  --texto: #e6f4fb;
  --texto-suave: #9bb8cc;
  --borde: rgba(126, 197, 226, 0.16);
  --tarjeta: rgba(6, 34, 66, 0.58);

  --ancho: 1180px;
  --radio: 18px;
  --head: 'Sora', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --cuerpo: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--abismo);
  color: var(--texto);
  font-family: var(--cuerpo);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

h1, h2, h3, h4 { font-family: var(--head); line-height: 1.18; margin: 0; font-weight: 700; }
p { margin: 0; }
a { color: inherit; }

.env { width: 100%; max-width: var(--ancho); margin: 0 auto; padding: 0 20px; }

/* Los párrafos largos van justificados: queda más prolijo en bloques de texto. */
.just { text-align: justify; text-justify: inter-word; hyphens: auto; }

.eyebrow {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cian);
}

/* --- Encabezado ---------------------------------------------------------- */

.top {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(0, 7, 28, 0.82);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--borde);
}
.top .env { display: flex; align-items: center; gap: 18px; height: 68px; }

.marca { display: flex; align-items: center; gap: 11px; text-decoration: none; margin-right: auto; }
.marca svg { flex: none; }
.marca { flex: none; }
.marca b {
  font-family: var(--head);
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.marca b span { color: var(--cian); }

.menu { display: flex; gap: 26px; flex: none; white-space: nowrap; }
.menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--texto-suave);
  text-decoration: none;
  transition: color 0.18s;
}
.menu a:hover { color: var(--cian); }

.idioma {
  display: flex;
  flex: none;
  align-items: center;
  border: 1px solid var(--borde);
  border-radius: 999px;
  overflow: hidden;
  font-size: 12px;
  font-weight: 600;
}
.idioma a { padding: 5px 11px; text-decoration: none; color: var(--texto-suave); }
.idioma a[aria-current='true'] { background: rgba(34, 211, 238, 0.16); color: var(--cian); }

/* Botón hacia Delta Consulting: verde de esa marca, a propósito. */
.btn-delta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 17px;
  border-radius: 999px;
  background: var(--verde);
  color: #fff;
  font-size: 13.5px;
  font-weight: 600;
  text-decoration: none;
  white-space: nowrap;
  transition: background 0.18s, transform 0.18s;
}
.btn-delta:hover { background: var(--verde-claro); transform: translateY(-1px); }
.btn-delta svg { flex: none; opacity: 0.85; }

.hamb { display: none; background: none; border: 0; padding: 6px; cursor: pointer; color: var(--texto); }

/* --- Portada ------------------------------------------------------------- */

.hero { position: relative; overflow: hidden; }
.hero-fondo {
  position: absolute;
  inset: 0;
  background-image: url('banner.svg');
  background-size: cover;
  /* Corrido a la derecha para que la fuente de luz del banner quede a la vista. */
  background-position: 72% center;
}
/*
  Velo: opaco sobre la columna de texto, casi transparente sobre la fuente de
  luz. Así el titular se lee con contraste de sobra y el resplandor no se apaga.
*/
.hero-fondo::after {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(
      100deg,
      rgba(0, 6, 24, 0.95) 2%,
      rgba(0, 14, 40, 0.86) 30%,
      rgba(0, 24, 54, 0.46) 58%,
      rgba(0, 30, 62, 0.12) 82%,
      rgba(0, 30, 62, 0) 100%
    ),
    linear-gradient(180deg, rgba(0, 7, 28, 0.34), rgba(0, 7, 28, 0.06) 40%, rgba(0, 7, 28, 0.5) 88%, var(--abismo));
}
.hero .env { position: relative; padding-top: 108px; padding-bottom: 118px; }
.hero h1 {
  margin: 18px 0 0;
  font-size: clamp(2.1rem, 5.6vw, 3.9rem);
  max-width: 17ch;
}
.hero h1 em { font-style: normal; color: var(--cian); }
.hero .sub { margin-top: 20px; max-width: 60ch; font-size: clamp(1rem, 1.9vw, 1.16rem); color: var(--texto-suave); }

.acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 13px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: all 0.18s;
}
.btn-1 { background: var(--cian); color: #00223a; }
.btn-1:hover { background: var(--cian-claro); transform: translateY(-1px); }
.btn-2 { border-color: rgba(126, 197, 226, 0.4); color: var(--texto); }
.btn-2:hover { border-color: var(--cian); color: var(--cian); }

/* Franja de sectores */
.sectores-franja {
  position: relative;
  border-top: 1px solid var(--borde);
  border-bottom: 1px solid var(--borde);
  background: rgba(0, 17, 46, 0.5);
}
.sectores-franja .env {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  align-items: center;
  padding-top: 17px;
  padding-bottom: 17px;
  font-size: 13px;
  color: var(--texto-suave);
}
.sectores-franja b { color: var(--cian); font-size: 11.5px; letter-spacing: 0.12em; text-transform: uppercase; }
.sectores-franja span { display: inline-flex; align-items: center; gap: 8px; }
.sectores-franja span::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: var(--turquesa); }

/* --- Secciones ----------------------------------------------------------- */

section { padding: 84px 0; }
.sec-cab { max-width: 62ch; margin-bottom: 46px; }
.sec-cab h2 { margin-top: 12px; font-size: clamp(1.6rem, 3.6vw, 2.4rem); }
.sec-cab p { margin-top: 14px; color: var(--texto-suave); }

.alt { background: linear-gradient(180deg, var(--abismo), #00142f 50%, var(--abismo)); }

.grilla { display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); }

.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 28px 26px;
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.tarjeta:hover { border-color: rgba(34, 211, 238, 0.45); transform: translateY(-3px); background: rgba(8, 44, 82, 0.6); }
.tarjeta h3 { font-size: 1.07rem; margin-bottom: 10px; }
.tarjeta p { font-size: 14.5px; color: var(--texto-suave); }

.icono {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  margin-bottom: 18px;
  border-radius: 13px;
  background: rgba(34, 211, 238, 0.12);
  color: var(--cian);
}

/* Industrias */
.ind { display: flex; flex-direction: column; gap: 0; }
.ind-fila {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 34px;
  padding: 30px 0;
  border-top: 1px solid var(--borde);
  align-items: start;
}
.ind-fila:last-child { border-bottom: 1px solid var(--borde); }
.ind-nombre { display: flex; align-items: center; gap: 13px; }
.ind-nombre h3 { font-size: 1.12rem; }
.ind-nombre .icono { margin: 0; width: 38px; height: 38px; border-radius: 11px; }
.usos { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.usos li {
  font-size: 13px;
  color: var(--texto-suave);
  background: rgba(4, 86, 126, 0.3);
  border: 1px solid var(--borde);
  border-radius: 999px;
  padding: 6px 14px;
}

/* Pasos */
.pasos { counter-reset: paso; display: grid; gap: 18px; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }
.paso { position: relative; padding: 28px 24px; border: 1px solid var(--borde); border-radius: var(--radio); background: var(--tarjeta); }
.paso::before {
  counter-increment: paso;
  content: '0' counter(paso);
  display: block;
  font-family: var(--head);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cian);
  opacity: 0.55;
  margin-bottom: 12px;
}
.paso h3 { font-size: 1.02rem; margin-bottom: 8px; }
.paso p { font-size: 14px; color: var(--texto-suave); }

/* Tecnología */
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chips span {
  font-size: 13px;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 999px;
  border: 1px solid var(--borde);
  background: rgba(0, 42, 84, 0.45);
  color: var(--hielo);
}

/* --- Contacto ------------------------------------------------------------ */

.contacto-caja {
  display: grid;
  gap: 40px;
  grid-template-columns: 1fr 1.15fr;
  align-items: start;
  background: rgba(0, 25, 56, 0.62);
  border: 1px solid var(--borde);
  border-radius: 26px;
  padding: 44px;
}
.contacto-caja h2 { font-size: clamp(1.5rem, 3.2vw, 2.1rem); }
.contacto-caja .dato { margin-top: 22px; font-size: 14px; color: var(--texto-suave); }
.contacto-caja .dato b { display: block; color: var(--cian); font-size: 11px; letter-spacing: 0.12em; text-transform: uppercase; margin-bottom: 2px; }

form { display: grid; gap: 15px; }
.par { display: grid; gap: 15px; grid-template-columns: 1fr 1fr; }
label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; color: var(--texto); }
input, textarea, select {
  width: 100%;
  padding: 12px 15px;
  border-radius: 12px;
  border: 1px solid var(--borde);
  background: rgba(0, 7, 28, 0.6);
  color: var(--texto);
  font-family: inherit;
  font-size: 14.5px;
  outline: none;
  transition: border-color 0.18s, box-shadow 0.18s;
}
input::placeholder, textarea::placeholder { color: rgba(155, 184, 204, 0.5); }
input:focus, textarea:focus, select:focus { border-color: var(--cian); box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.16); }
textarea { resize: vertical; min-height: 118px; }
select option { background: #00112e; }
.trampa { position: absolute; left: -9999px; }
.aviso { font-size: 11.5px; line-height: 1.6; color: rgba(155, 184, 204, 0.8); }
.aviso a { color: var(--cian); }

/* --- Páginas legales ----------------------------------------------------- */

.legal-cab {
  border-bottom: 1px solid var(--borde);
  background: linear-gradient(140deg, var(--noche), var(--abismo) 70%);
  padding: 56px 0 40px;
}
.legal-cab h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); }
.legal-cab .fecha { margin-top: 10px; font-size: 13.5px; color: var(--texto-suave); }

.legal { padding: 52px 0 76px; }
.legal .env { max-width: 780px; }
.legal .lead { font-size: 1.04rem; color: var(--texto-suave); margin-bottom: 42px; }
.legal article { margin-bottom: 34px; }
.legal h2 {
  font-size: 1.08rem;
  color: var(--cian);
  margin-bottom: 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--borde);
}
.legal p { font-size: 14.8px; line-height: 1.78; color: var(--texto-suave); }
.legal article p + p { margin-top: 12px; }
.legal .volver { margin-top: 46px; padding-top: 26px; border-top: 1px solid var(--borde); }
.legal .volver a { color: var(--cian); text-decoration: none; font-weight: 500; font-size: 14.5px; }
.legal .volver a:hover { text-decoration: underline; }

/* --- Pie ----------------------------------------------------------------- */

footer { border-top: 1px solid var(--borde); background: #00050f; padding: 46px 0 30px; }
.pie { display: flex; flex-wrap: wrap; gap: 26px; justify-content: space-between; align-items: flex-start; }
.pie p { font-size: 13.5px; color: var(--texto-suave); max-width: 40ch; margin-top: 12px; }
.pie-enlaces { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13.5px; }
.pie-enlaces a { color: var(--texto-suave); text-decoration: none; }
.pie-enlaces a:hover { color: var(--cian); }
.copy { margin-top: 32px; padding-top: 20px; border-top: 1px solid var(--borde); font-size: 12px; color: rgba(155, 184, 204, 0.65); }

/* --- Adaptación a pantallas chicas --------------------------------------- */

@media (max-width: 980px) {
  .contacto-caja { grid-template-columns: 1fr; padding: 32px 26px; }
  .ind-fila { grid-template-columns: 1fr; gap: 16px; }
}

@media (max-width: 1040px) {
  .menu {
    display: none;
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: rgba(0, 7, 28, 0.98);
    border-bottom: 1px solid var(--borde);
    padding: 8px 20px 18px;
  }
  .menu.abierto { display: flex; }
  .menu a { padding: 13px 0; border-bottom: 1px solid var(--borde); }
  .hamb { display: block; order: 3; }
  .btn-delta { padding: 8px 13px; font-size: 12.5px; }
  .btn-delta .largo { display: none; }
}

@media (max-width: 560px) {
  /* Justificar una columna tan angosta deja huecos enormes: mejor alineado a la izquierda. */
  .just { text-align: left; }
  section { padding: 60px 0; }
  .hero .env { padding-top: 62px; padding-bottom: 66px; }
  .par { grid-template-columns: 1fr; }
  .acciones .btn { width: 100%; justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { transition: none !important; }
}