/* ============================================================
   CECNA CHILE — main.css
   Sistema de diseño principal
   ============================================================ */

/* ── Google Fonts ─────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=DM+Sans:wght@300;400;500&display=swap');

/* ── Variables ────────────────────────────────────────────── */
:root {
  --azul:        #1A3A5C;
  --azul-med:    #234a72;
  --azul-suave:  #E8F0F7;
  --dorado:      #C8952A;
  --dorado-cla:  #d3a13c;
  --dorado-osc:  #b8841e;
  --gris-frio:   #F4F6F9;
  --gris-borde:  #DDE4EC;
  --negro:       #1C1C1C;
  --texto:       #2D3748;
  --texto-suave: #5A6A7A;
  --blanco:      #FFFFFF;

  --fuente-titulo: 'Cormorant Garamond', Georgia, serif;
  --fuente-cuerpo: 'DM Sans', system-ui, sans-serif;

  --radio:    6px;
  --radio-lg: 12px;
  --sombra:   0 2px 20px rgba(26,58,92,.10);
  --sombra-lg:0 8px 40px rgba(26,58,92,.15);

  --nav-h:    72px;
  --max-w:    1200px;
  --gap:      clamp(1.5rem, 4vw, 3rem);
}

/* ── Reset ────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--fuente-cuerpo);
  color: var(--texto);
  background: var(--blanco);
  line-height: 1.65;
  overflow-x: hidden;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea, select { font: inherit; }

/* ── Tipografía base ──────────────────────────────────────── */
h1, h2, h3, h4 {
  font-family: var(--fuente-titulo);
  color: var(--azul);
  line-height: 1.15;
  font-weight: 600;
}

h1 { font-size: clamp(2.4rem, 5vw, 3.8rem); }
h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); }
h3 { font-size: clamp(1.3rem, 2.5vw, 1.7rem); }
h4 { font-size: 1.15rem; }

p { max-width: 72ch; }

/* ── Utilidades de layout ─────────────────────────────────── */
.contenedor {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: clamp(1.2rem, 5vw, 2.5rem);
}

.seccion {
  padding-block: clamp(4rem, 8vw, 7rem);
}

.seccion--clara { background: var(--gris-frio); }
.seccion--azul  { background: var(--azul); color: var(--blanco); }
.seccion--azul h2, .seccion--azul h3 { color: var(--blanco); }

/* ── Etiqueta de sección ──────────────────────────────────── */
.etiqueta {
  display: inline-block;
  font-family: var(--fuente-cuerpo);
  font-size: .75rem;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--dorado);
  margin-bottom: 1rem;
}

/* ── Línea decorativa dorada ──────────────────────────────── */
.linea-dorada {
  display: block;
  width: 48px;
  height: 3px;
  background: linear-gradient(90deg, var(--dorado-cla), var(--dorado-osc));
  border-radius: 2px;
  margin-top: .75rem;
}

.linea-dorada--centro { margin-inline: auto; }

/* ── Botones ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .75rem 1.75rem;
  border-radius: var(--radio);
  font-family: var(--fuente-cuerpo);
  font-size: .9rem;
  font-weight: 500;
  letter-spacing: .03em;
  transition: all .22s ease;
}

.btn--primario {
  background: var(--dorado);
  color: var(--blanco);
}
.btn--primario:hover {
  background: var(--dorado-osc);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(200,149,42,.35);
}

.btn--secundario {
  background: transparent;
  color: var(--blanco);
  border: 1.5px solid rgba(255,255,255,.5);
}
.btn--secundario:hover {
  border-color: var(--blanco);
  background: rgba(255,255,255,.08);
}

.btn--borde {
  background: transparent;
  color: var(--azul);
  border: 1.5px solid var(--gris-borde);
}
.btn--borde:hover {
  border-color: var(--dorado);
  color: var(--dorado);
}

/* ── NAVEGACIÓN ───────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  background: rgba(255,255,255,.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, box-shadow .3s;
}

.nav.scrolled {
  border-color: var(--gris-borde);
  box-shadow: var(--sombra);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.nav__logo img {
  height: 44px;
  width: auto;
}

/* Menú principal */
.nav__menu {
  display: flex;
  align-items: center;
  gap: .25rem;
}

.nav__enlace {
  font-size: .88rem;
  font-weight: 500;
  color: var(--texto);
  padding: .5rem .85rem;
  border-radius: var(--radio);
  transition: color .2s, background .2s;
  position: relative;
}

.nav__enlace:hover,
.nav__enlace.activo {
  color: var(--azul);
}

.nav__enlace::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: .85rem;
  right: .85rem;
  height: 2px;
  background: var(--dorado);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .25s ease;
  border-radius: 1px;
}

.nav__enlace:hover::after,
.nav__enlace.activo::after {
  transform: scaleX(1);
}

/* Botones de utilidad en nav */
.nav__utils {
  display: flex;
  align-items: center;
  gap: .5rem;
}

.nav__btn-util {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radio);
  color: var(--texto-suave);
  transition: color .2s, background .2s;
  font-size: .8rem;
  font-weight: 500;
}

.nav__btn-util:hover {
  color: var(--azul);
  background: var(--azul-suave);
}

/* Traductor */
.nav__traductor {
  position: relative;
}

.nav__lang-toggle {
  display: flex;
  align-items: center;
  gap: .3rem;
  padding: .4rem .7rem;
  border-radius: var(--radio);
  font-size: .8rem;
  font-weight: 500;
  color: var(--texto-suave);
  border: 1px solid var(--gris-borde);
  background: transparent;
  transition: all .2s;
}

.nav__lang-toggle:hover {
  color: var(--azul);
  border-color: var(--azul);
}

.nav__lang-icon {
  width: 16px;
  height: 16px;
  opacity: .6;
}

/* Hamburguesa */
.nav__hamburguesa {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  border-radius: var(--radio);
  transition: background .2s;
}

.nav__hamburguesa:hover { background: var(--azul-suave); }

.nav__hamburguesa span {
  display: block;
  height: 2px;
  background: var(--azul);
  border-radius: 1px;
  transition: transform .3s ease, opacity .3s ease, width .3s ease;
}

.nav__hamburguesa span:nth-child(1) { width: 22px; }
.nav__hamburguesa span:nth-child(2) { width: 16px; }
.nav__hamburguesa span:nth-child(3) { width: 22px; }

.nav__hamburguesa.abierto span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
  width: 22px;
}
.nav__hamburguesa.abierto span:nth-child(2) {
  opacity: 0;
}
.nav__hamburguesa.abierto span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
  width: 22px;
}

/* Menú móvil */
.nav__menu-movil {
  display: none;
  position: fixed;
  top: var(--nav-h);
  left: 0;
  right: 0;
  background: var(--blanco);
  border-bottom: 1px solid var(--gris-borde);
  padding: 1.5rem;
  box-shadow: var(--sombra-lg);
  z-index: 999;
  flex-direction: column;
  gap: .25rem;
}

.nav__menu-movil.abierto { display: flex; }

.nav__enlace-movil {
  display: block;
  padding: .75rem 1rem;
  border-radius: var(--radio);
  font-size: 1rem;
  font-weight: 500;
  color: var(--texto);
  transition: background .2s, color .2s;
}

.nav__enlace-movil:hover,
.nav__enlace-movil.activo {
  background: var(--azul-suave);
  color: var(--azul);
}

.nav__menu-movil-utils {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--gris-borde);
}

/* ── FOOTER ───────────────────────────────────────────────── */
.footer {
  background: var(--azul);
  color: rgba(255,255,255,.7);
  padding-block: clamp(3rem, 6vw, 5rem) 2rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 3rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.footer__logo {
  height: 48px;
  width: auto;
  margin-bottom: 1.25rem;
  filter: brightness(0) invert(1);
  opacity: .9;
}

.footer__desc {
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(255,255,255,.6);
  max-width: 32ch;
  margin-bottom: 1.5rem;
}

.footer__email {
  font-size: .85rem;
  color: var(--dorado-cla);
  transition: color .2s;
}

.footer__email:hover { color: var(--blanco); }

.footer__titulo {
  font-family: var(--fuente-cuerpo);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--dorado-cla);
  margin-bottom: 1.25rem;
}

.footer__lista { display: flex; flex-direction: column; gap: .6rem; }

.footer__lista a {
  font-size: .88rem;
  color: rgba(255,255,255,.6);
  transition: color .2s;
}

.footer__lista a:hover { color: var(--blanco); }

.footer__redes {
  display: flex;
  gap: .75rem;
  margin-top: 1rem;
}

.footer__red {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radio);
  border: 1px solid rgba(255,255,255,.15);
  color: rgba(255,255,255,.6);
  font-size: .9rem;
  transition: all .2s;
}

.footer__red:hover {
  border-color: var(--dorado);
  color: var(--dorado);
  background: rgba(200,149,42,.1);
}

.footer__copy {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  padding-top: 2rem;
  font-size: .8rem;
  color: rgba(255,255,255,.4);
}

/* ── BOTÓN WHATSAPP ───────────────────────────────────────── */
.whatsapp-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 900;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 4px 20px rgba(37,211,102,.4);
  transition: transform .25s ease, box-shadow .25s ease;
}

.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37,211,102,.5);
}

.whatsapp-btn svg {
  width: 26px;
  height: 26px;
  fill: #fff;
}

/* ── Google Translate ─────────────────────────────────────── */
#google_translate_element { display: inline-flex; }
#google_translate_element .goog-te-gadget { margin: 0; }
#google_translate_element .goog-te-gadget-simple {
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio);
  padding: .3rem .6rem;
  font-size: .78rem;
  background: transparent;
  color: var(--texto-suave);
}
.goog-te-banner-frame { display: none !important; }
body { top: 0 !important; }

/* ── CARDS genéricas ──────────────────────────────────────── */
.card {
  background: var(--blanco);
  border: 1px solid var(--gris-borde);
  border-radius: var(--radio-lg);
  padding: 2rem;
  transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
}

.card:hover {
  box-shadow: var(--sombra-lg);
  transform: translateY(-3px);
  border-color: var(--dorado-cla);
}

.card__icono {
  width: 48px;
  height: 48px;
  border-radius: var(--radio);
  background: var(--azul-suave);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.card__icono svg {
  width: 24px;
  height: 24px;
  color: var(--azul);
}

/* ── Animaciones de entrada ───────────────────────────────── */
.animar {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .55s ease, transform .55s ease;
}

.animar.visible {
  opacity: 1;
  transform: none;
}

.animar-delay-1 { transition-delay: .1s; }
.animar-delay-2 { transition-delay: .2s; }
.animar-delay-3 { transition-delay: .3s; }
.animar-delay-4 { transition-delay: .4s; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav__menu { display: none; }
  .nav__utils .nav__lang-toggle { display: none; }
  .nav__hamburguesa { display: flex; }

  .footer__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer__copy {
    flex-direction: column;
    text-align: center;
  }

  .whatsapp-btn {
    bottom: 1.5rem;
    right: 1.5rem;
  }
}

/* ── Selector de idioma propio ────────────────────────────── */
.lang-switcher,
.lang-switcher-movil {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--texto-suave);
}

.lang-btn {
  background: none;
  border: none;
  cursor: pointer;
  font-size: .78rem;
  font-weight: 600;
  font-family: var(--fuente-cuerpo);
  letter-spacing: .06em;
  color: var(--texto-suave);
  padding: .3rem .5rem;
  border-radius: var(--radio);
  transition: color .2s, background .2s;
}

.lang-btn:hover,
.lang-btn[aria-pressed="true"] {
  color: var(--azul);
  background: var(--azul-suave);
}

.lang-switcher span,
.lang-switcher-movil span {
  color: var(--gris-borde);
  font-size: .65rem;
}

.lang-switcher-movil {
  margin-top: .5rem;
  padding-top: .75rem;
  border-top: 1px solid var(--gris-borde);
  width: 100%;
}

/* ── Fix espaciado CTA antes del footer ───────────────────── */
.cta {
  margin-bottom: 0;
}

.footer {
  margin-top: 0;
}

/* Separador visual entre CTA y footer */
.cta + .footer {
  border-top: 4px solid var(--dorado);
}