:root {
  --azul: #0B315C;
  --azul-profundo: #061F3D;
  --azul-tinta: #03172D;
  --blanco: #FFFFFF;
  --texto-suave: rgba(255, 255, 255, 0.84);
  --texto-legal: rgba(255, 255, 255, 0.78);
  --linea: rgba(255, 255, 255, 0.12);
  --font-body: Arial, Helvetica, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  color: var(--blanco);
  background: var(--azul);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

:focus-visible {
  outline: 2px solid rgba(255, 255, 255, 0.82);
  outline-offset: 4px;
}

.site-header {
  position: relative;
  z-index: 2;
  height: 118px;
  display: grid;
  place-items: center;
  background: var(--azul);
  border-bottom: 1px solid var(--linea);
  box-shadow: 0 14px 30px rgba(3, 18, 36, 0.22);
}

.brand {
  width: 142px;
}

.institutional-hero {
  position: relative;
  min-height: calc(100vh - 246px);
  min-height: calc(100svh - 246px);
  display: grid;
  place-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 4rem 1.5rem;
}

.hero-background {
  position: absolute;
  inset: -4vh -8vw -4vh -7vw;
  z-index: -3;
  background-image: url("../images/tower-alt.png");
  background-color: var(--azul);
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  filter: saturate(0.78) contrast(1.02) brightness(0.98);
  transform: translateX(3.5vw) scale(1.025);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 50% 5%, rgba(255, 255, 255, 0.3) 0%, rgba(246, 248, 252, 0.15) 24%, transparent 54%),
    radial-gradient(ellipse at 50% 100%, rgba(255, 255, 255, 0.2) 0%, rgba(246, 248, 252, 0.09) 24%, transparent 56%),
    radial-gradient(ellipse at 50% 48%, rgba(0, 10, 24, 0.31) 0%, rgba(0, 10, 24, 0.2) 25%, transparent 53%),
    radial-gradient(ellipse at 17% 51%, rgba(250, 252, 255, 0.16) 0%, rgba(250, 252, 255, 0.08) 22%, transparent 48%),
    radial-gradient(ellipse at 84% 51%, rgba(250, 252, 255, 0.15) 0%, rgba(250, 252, 255, 0.075) 22%, transparent 48%),
    linear-gradient(90deg, rgba(2, 14, 30, 0.48) 0%, rgba(2, 14, 30, 0.17) 26%, transparent 50%, rgba(2, 14, 30, 0.17) 74%, rgba(2, 14, 30, 0.44) 100%),
    linear-gradient(180deg, rgba(2, 14, 30, 0.17) 0%, transparent 28%, transparent 72%, rgba(2, 14, 30, 0.24) 100%),
    linear-gradient(180deg, rgba(11, 49, 92, 0.45), rgba(6, 31, 61, 0.73));
}

.institutional-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180' viewBox='0 0 180 180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.86' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='180' height='180' filter='url(%23n)' opacity='.78'/%3E%3C/svg%3E");
  background-size: 180px 180px;
  mix-blend-mode: overlay;
  opacity: 0.32;
  filter: contrast(160%) brightness(115%);
}

.hero-panel {
  width: min(430px, 100%);
  color: var(--blanco);
  font-size: 15px;
  line-height: 1.48;
  font-weight: 700;
  text-align: left;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.1),
    0 12px 34px rgba(0, 0, 0, 0.09);
}

.seo-heading {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  border: 0;
  white-space: nowrap;
}

@media (min-width: 1900px) {
  .hero-background {
    inset: -7vh -10vw -7vh -9vw;
    transform: translateX(4.5vw) scale(1.045);
  }
}

.hero-panel p {
  margin: 0 0 1.1rem;
}

.hero-panel strong {
  letter-spacing: 0.02em;
}

.contact-line {
  margin: 1.8rem 0 1.25rem;
  text-align: center;
  font-size: 14px;
  letter-spacing: 0.01em;
}

.cta-button {
  display: flex;
  width: 164px;
  min-height: 38px;
  margin: 0 auto 1.55rem;
  align-items: center;
  justify-content: center;
  border-radius: 3px;
  background: var(--blanco);
  color: var(--azul-profundo);
  font-size: 14px;
  font-weight: 400;
  text-shadow: none;
}

.availability {
  margin: 0;
  text-align: center;
  color: var(--blanco);
  font-size: 14px;
  line-height: 1.4;
}

.lang-switch {
  display: flex;
  width: fit-content;
  align-items: center;
  gap: 0.4rem;
  margin: 1.05rem auto 0;
  padding: 0.25rem 0.35rem;
  border: none;
  background: transparent;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 160ms ease;
}

.lang-switch:hover,
.lang-switch:focus-visible {
  opacity: 1;
}

.lang-flag {
  display: block;
  width: 16px;
  height: 11px;
  flex-shrink: 0;
}

.lang-flag svg {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: 1px;
}

.lang-code {
  font-family: var(--font-body);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blanco);
  text-shadow: none;
}

.site-footer {
  position: relative;
  min-height: 128px;
  display: grid;
  place-items: center;
  padding: 1.45rem 7.5rem 1.45rem 7.5rem;
  text-align: center;
  background: var(--azul);
  border-top: 1px solid var(--linea);
  box-shadow:
    0 -20px 42px rgba(2, 14, 30, 0.28),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.footer-legal {
  display: grid;
  gap: 0.5rem;
}

.site-footer p {
  max-width: 1060px;
  margin: 0;
  color: var(--texto-legal);
  font-size: 12px;
  line-height: 1.45;
}

.footer-social {
  position: absolute;
  right: 2.2rem;
  bottom: 1.55rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.footer-social a {
  width: 22px;
  height: 22px;
  display: grid;
  place-items: center;
  color: rgba(255, 255, 255, 0.84);
  transition: color 160ms ease, transform 160ms ease;
}

.footer-social a:hover {
  color: var(--blanco);
  transform: translateY(-1px);
}

.footer-social svg {
  width: 100%;
  height: 100%;
  fill: currentColor;
}

@media (max-width: 720px) {
  .site-header {
    height: 92px;
  }

  .brand {
    width: 126px;
  }

  .institutional-hero {
    min-height: max(660px, calc(100vh - 160px));
    min-height: max(660px, calc(100svh - 160px));
    padding: 3rem 1.25rem;
    place-items: center;
  }

  .hero-background {
    inset: -7vh -34vw -7vh -24vw;
    background-position: 56% center;
    transform: translateX(6vw) scale(1.055);
  }

  .hero-overlay {
    background:
      radial-gradient(ellipse at 50% 5%, rgba(255, 255, 255, 0.28) 0%, rgba(246, 248, 252, 0.14) 24%, transparent 54%),
      radial-gradient(ellipse at 50% 100%, rgba(255, 255, 255, 0.18) 0%, rgba(246, 248, 252, 0.08) 24%, transparent 56%),
      radial-gradient(ellipse at 50% 48%, rgba(0, 10, 24, 0.38) 0%, rgba(0, 10, 24, 0.23) 26%, transparent 56%),
      radial-gradient(ellipse at 14% 50%, rgba(250, 252, 255, 0.13) 0%, rgba(250, 252, 255, 0.06) 22%, transparent 48%),
      radial-gradient(ellipse at 86% 50%, rgba(250, 252, 255, 0.13) 0%, rgba(250, 252, 255, 0.06) 22%, transparent 48%),
      linear-gradient(90deg, rgba(2, 14, 30, 0.5) 0%, rgba(2, 14, 30, 0.19) 27%, transparent 50%, rgba(2, 14, 30, 0.18) 73%, rgba(2, 14, 30, 0.45) 100%),
      linear-gradient(180deg, rgba(2, 14, 30, 0.17) 0%, transparent 28%, transparent 70%, rgba(2, 14, 30, 0.28) 100%),
      linear-gradient(180deg, rgba(11, 49, 92, 0.48), rgba(6, 31, 61, 0.76));
  }

  .hero-panel {
    width: min(360px, 100%);
    font-size: 14px;
    line-height: 1.5;
  }

  .hero-panel p {
    margin-bottom: 1rem;
  }

  .contact-line {
    margin: 1.55rem 0 1.1rem;
    font-size: 13px;
  }

  .cta-button {
    width: 158px;
    min-height: 38px;
    margin-bottom: 1.35rem;
    font-size: 13px;
  }

  .availability {
    font-size: 13px;
  }

  .site-footer {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding: 1.45rem 1.25rem 1.3rem;
  }

  .site-footer p {
    font-size: 11px;
    line-height: 1.5;
  }

  .footer-social {
    position: static;
    transform: none;
    gap: 1rem;
  }

  .footer-social a {
    width: 23px;
    height: 23px;
  }
}

@media (max-width: 380px) {
  .site-header {
    height: 86px;
  }

  .brand {
    width: 118px;
  }

  .lang-code {
    font-size: 10px;
  }

  .institutional-hero {
    min-height: max(470px, calc(100vh - 120px));
    min-height: max(470px, calc(100svh - 120px));
    padding: 2.5rem 1rem;
  }

  .hero-panel {
    font-size: 13px;
    line-height: 1.48;
  }

  .contact-line,
  .availability,
  .cta-button {
    font-size: 12px;
  }
}