/* ============================================================
   CECNA CHILE — home.css
   Estilos específicos de la página de inicio
   ============================================================ */

/* ── HERO ─────────────────────────────────────────────────── */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  background: var(--azul);
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* Textura sutil de fondo */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 80% 50%, rgba(35,74,114,.6) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 10% 80%, rgba(200,149,42,.06) 0%, transparent 60%);
  pointer-events: none;
}

/* Líneas horizontales decorativas (evoca el isotipo) */
.hero__lineas {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 45%;
  opacity: .04;
  pointer-events: none;
}

.hero__lineas span {
  display: block;
  height: 1px;
  background: var(--blanco);
  margin-bottom: clamp(12px, 2vw, 22px);
  transform-origin: right;
}

.hero__contenido {
  position: relative;
  z-index: 2;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 5vw, 2.5rem);
  padding-block: clamp(5rem, 10vh, 8rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 5rem;
  width: 100%;
}

.hero__texto { }

.hero__pretitulo {
  display: inline-flex;
  align-items: center;
  gap: .6rem;
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--dorado-cla);
  margin-bottom: 1.5rem;
}

.hero__pretitulo::before {
  content: '';
  display: block;
  width: 28px;
  height: 2px;
  background: var(--dorado);
  border-radius: 1px;
}

.hero__titulo {
  font-family: var(--fuente-titulo);
  font-size: clamp(2.6rem, 5.5vw, 4.2rem);
  font-weight: 600;
  color: var(--blanco);
  line-height: 1.1;
  margin-bottom: 1.5rem;
}

.hero__titulo em {
  font-style: italic;
  color: var(--dorado-cla);
}

.hero__bajada {
  font-size: clamp(.95rem, 1.5vw, 1.1rem);
  color: rgba(255,255,255,.7);
  line-height: 1.75;
  margin-bottom: 2.5rem;
  max-width: 52ch;
}

.hero__acciones {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Logo en hero */
.hero__logo-wrap {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.hero__logo-bg {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,.05) 0%, transparent 70%);
}

.hero__logo-img {
  width: min(320px, 90%);
  filter: brightness(0) invert(1);
  opacity: .92;
  position: relative;
  z-index: 2;
}

/* ── INTRO / SOBRE ────────────────────────────────────────── */
.intro__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.intro__imagen {
  position: relative;
}

.intro__bloque-decorativo {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--azul) 0%, var(--azul-med) 100%);
  border-radius: var(--radio-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
}

.intro__bloque-decorativo::after {
  content: '';
  position: absolute;
  inset: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.intro__logo-decorativo {
  width: 65%;
  filter: brightness(0) invert(1);
  opacity: .2;
  position: relative;
  z-index: 2;
}

.intro__acento {
  position: absolute;
  bottom: -1.2rem;
  right: -1.2rem;
  width: 80px;
  height: 80px;
  background: var(--dorado);
  border-radius: var(--radio-lg);
  opacity: .9;
}

.intro__texto { }

.intro__cita {
  font-family: var(--fuente-titulo);
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  font-style: italic;
  color: var(--azul);
  line-height: 1.4;
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  border-left: 3px solid var(--dorado);
}

.intro__parrafo {
  color: var(--texto-suave);
  margin-bottom: 1rem;
}

.intro__enlace {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .9rem;
  font-weight: 500;
  color: var(--dorado-osc);
  margin-top: .75rem;
  transition: gap .2s;
}

.intro__enlace:hover { gap: .7rem; }

/* ── ÁREAS DE TRABAJO ─────────────────────────────────────── */
.areas__encabezado {
  text-align: center;
  max-width: 60ch;
  margin-inline: auto;
  margin-bottom: 4rem;
}

.areas__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.area-card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 2rem 1.75rem;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
  position: relative;
  overflow: hidden;
}

.area-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--dorado-cla), var(--dorado-osc));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s ease;
}

.area-card:hover {
  box-shadow: var(--sombra-lg);
  transform: translateY(-4px);
}

.area-card:hover::before { transform: scaleX(1); }

.area-card__numero {
  font-family: var(--fuente-titulo);
  font-size: 3rem;
  font-weight: 700;
  color: var(--gris-borde);
  line-height: 1;
  margin-bottom: 1rem;
  transition: color .25s;
}

.area-card:hover .area-card__numero { color: var(--dorado-cla); }

.area-card__titulo {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--azul);
  margin-bottom: .75rem;
}

.area-card__desc {
  font-size: .88rem;
  color: var(--texto-suave);
  line-height: 1.65;
  max-width: none;
}

/* ── VALORES ──────────────────────────────────────────────── */
.valores__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.valor-item {
  display: flex;
  gap: 1.25rem;
  align-items: flex-start;
}

.valor-item__num {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(200,149,42,.15);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--fuente-titulo);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--dorado-cla);
}

.valor-item__texto h4 {
  font-size: 1rem;
  margin-bottom: .4rem;
  color: var(--blanco);
}

.valor-item__texto p {
  font-size: .85rem;
  color: rgba(255,255,255,.6);
  line-height: 1.6;
}

/* ── CIFRAS / STATS ───────────────────────────────────────── */
.stats {
  background: var(--azul-suave);
  padding-block: 4rem;
  border-top: 1px solid var(--gris-borde);
  border-bottom: 1px solid var(--gris-borde);
}

.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-item__num {
  font-family: var(--fuente-titulo);
  font-size: clamp(2.2rem, 4vw, 3.2rem);
  font-weight: 700;
  color: var(--azul);
  line-height: 1;
  margin-bottom: .5rem;
}

.stat-item__label {
  font-size: .85rem;
  color: var(--texto-suave);
  text-transform: uppercase;
  letter-spacing: .08em;
}

/* ── CTA FINAL ────────────────────────────────────────────── */
.cta {
  background: #fff;
  text-align: center;
  padding-block: clamp(4rem, 8vw, 6rem);
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--gris-borde);
  border-bottom: 4px solid var(--dorado);
}

/* cta::before eliminado - fondo blanco */

.cta__contenido {
  position: relative;
  z-index: 2;
}

.cta h2 { color: var(--azul); margin-bottom: 1rem; }
.cta p  { color: var(--texto-suave); margin-inline: auto; margin-bottom: 2.5rem; }

.cta__acciones {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

/* ── RESPONSIVE home ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .areas__grid { grid-template-columns: repeat(2, 1fr); }
  .valores__grid { grid-template-columns: repeat(2, 1fr); }
  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .hero__contenido {
    grid-template-columns: 1fr;
    text-align: center;
    padding-block: 4rem 3rem;
    gap: 3rem;
  }

  .hero__bajada { margin-inline: auto; }

  .hero__acciones { justify-content: center; }

  .hero__logo-wrap { order: -1; }

  .hero__logo-img { width: min(220px, 80%); }

  .intro__grid { grid-template-columns: 1fr; gap: 3rem; }

  .areas__grid { grid-template-columns: 1fr; }

  .valores__grid { grid-template-columns: 1fr; }

  .stats__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .stats__grid { grid-template-columns: 1fr; }
}