/* =========================================================
   CETISOLD · INSTITUCIÓN
   Estilos exclusivos de nosotros.html
   ========================================================= */

.page-nosotros {
  --inst-navy: #061522;
  --inst-navy-2: #081d2d;
  --inst-ink: #101b28;
  --inst-gold: #e3a51c;
  --inst-gold-2: #f1bd43;
  --inst-line: rgba(227, 165, 28, .42);
  --inst-paper: #f5f4f1;
  background: var(--inst-navy);
}

.page-nosotros main { overflow: hidden; }
.page-nosotros .links > a.active { color: #fff; }
.page-nosotros .links > a.active::after { transform: scaleX(1); }

.institution-hero {
  position: relative;
  min-height: 510px;
  display: flex;
  align-items: center;
  isolation: isolate;
  background:
    linear-gradient(90deg, rgba(3, 13, 22, .98) 0%, rgba(3, 13, 22, .89) 40%, rgba(3, 13, 22, .25) 72%, rgba(3, 13, 22, .12) 100%),
    url("assets/img/cetisold-1.jpg") center 46% / cover no-repeat;
  border-bottom: 1px solid rgba(227, 165, 28, .45);
}

.institution-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(circle at 72% 58%, rgba(47, 151, 224, .14), transparent 28%),
    linear-gradient(120deg, transparent 0 49.7%, rgba(227, 165, 28, .75) 49.8% 49.95%, transparent 50.05%);
}

.institution-hero__shade {
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 16, 26, .12), rgba(5, 16, 26, .3));
}

.institution-hero__content {
  padding-top: 26px;
  padding-bottom: 28px;
}

.institution-kicker,
.section-heading > span,
.infrastructure-copy .eyebrow,
.credential-label {
  color: var(--inst-gold-2);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.institution-hero h1 {
  margin: 10px 0 4px;
  max-width: 650px;
  color: #fff;
  font-size: clamp(56px, 6.7vw, 94px);
  line-height: .94;
  letter-spacing: -.045em;
  font-weight: 900;
}

.institution-title-line {
  width: 84px;
  height: 2px;
  margin: 18px 0;
  background: linear-gradient(90deg, var(--inst-gold), var(--inst-gold-2));
}

.institution-hero h2 {
  margin: 0 0 14px;
  color: #fff;
  font-size: clamp(23px, 2.1vw, 34px);
  line-height: 1.12;
  font-weight: 500;
  text-transform: uppercase;
}

.institution-hero p {
  max-width: 650px;
  margin: 0;
  color: rgba(255,255,255,.82);
  font-size: 17px;
  line-height: 1.72;
}

.essence-section {
  padding: 80px 0 76px;
  background: linear-gradient(180deg, #f8f7f4, #f1f0ed);
  color: var(--inst-ink);
}

.section-heading { margin-bottom: 36px; }
.section-heading--center { text-align: center; }
.section-heading h2 {
  max-width: 820px;
  margin: 9px auto 0;
  color: var(--inst-ink);
  font-size: clamp(28px, 3vw, 44px);
  line-height: 1.08;
  letter-spacing: -.03em;
}

.essence-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid rgba(12, 28, 43, .13);
  border-bottom: 1px solid rgba(12, 28, 43, .13);
}

.essence-card {
  min-width: 0;
  padding: 35px 29px 30px;
  text-align: center;
  border-right: 1px solid rgba(12, 28, 43, .13);
}
.essence-card:last-child { border-right: 0; }
.essence-icon {
  width: 62px;
  height: 62px;
  margin: 0 auto 18px;
  display: grid;
  place-items: center;
  border: 2px solid var(--inst-gold);
  border-radius: 50%;
  color: #956604;
  font-size: 28px;
  font-weight: 800;
}
.essence-card h3 {
  margin: 0 0 11px;
  font-size: 18px;
  text-transform: uppercase;
  letter-spacing: .04em;
}
.essence-card p {
  margin: 0;
  color: #4b5561;
  font-size: 14px;
  line-height: 1.7;
}

.backing-section,
.values-section {
  position: relative;
  padding: 82px 0;
  color: #fff;
  background:
    radial-gradient(circle at 50% -10%, rgba(30, 96, 141, .18), transparent 40%),
    #061522;
}
.backing-section::before,
.values-section::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: .17;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 38px 38px;
}
.section-heading--dark { position: relative; z-index: 1; }
.section-heading--dark h2 { color: #fff; margin-left: 0; }
.section-heading--dark p {
  max-width: 760px;
  color: rgba(255,255,255,.68);
  line-height: 1.7;
}
.section-heading--center.section-heading--dark h2,
.section-heading--center.section-heading--dark p { margin-left: auto; margin-right: auto; }

.backing-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  overflow: hidden;
  border: 1px solid var(--inst-line);
  border-radius: 12px;
  background: rgba(4, 17, 28, .64);
}
.backing-item {
  min-width: 0;
  min-height: 150px;
  padding: 23px 16px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 13px;
  text-align: center;
  border-right: 1px solid rgba(227, 165, 28, .25);
}
.backing-item:last-child { border-right: 0; }
.backing-item img {
  display: block;
  width: auto;
  max-width: 104px;
  height: auto;
  max-height: 64px;
  object-fit: contain;
}
.backing-item--epl img { max-width: 115px; max-height: 58px; }
.backing-item--mtpe img { max-width: 118px; max-height: 54px; }
.backing-item strong {
  color: var(--inst-gold-2);
  font-size: clamp(27px, 2.4vw, 38px);
  letter-spacing: .02em;
}
.backing-item small {
  color: rgba(255,255,255,.66);
  font-size: 11px;
  line-height: 1.4;
}

.credential-strip {
  position: relative;
  z-index: 1;
  margin-top: 26px;
  padding: 24px 28px;
  display: grid;
  grid-template-columns: 96px 1fr;
  align-items: center;
  gap: 24px;
  border: 1px solid rgba(227, 165, 28, .32);
  border-radius: 12px;
  background: linear-gradient(90deg, rgba(227,165,28,.075), rgba(255,255,255,.025));
}
.credential-seal {
  width: 82px;
  height: 82px;
  display: grid;
  place-items: center;
  align-content: center;
  border: 1px solid var(--inst-gold);
  border-radius: 50%;
  color: #fff;
  font-weight: 900;
  line-height: 1;
}
.credential-seal span { color: var(--inst-gold-2); font-size: 12px; margin-top: 5px; }
.credential-strip h3 { margin: 5px 0 7px; font-size: 22px; }
.credential-strip p { margin: 0; max-width: 870px; color: rgba(255,255,255,.68); line-height: 1.6; }

.infrastructure-section {
  padding: 90px 0;
  background: #f5f4f1;
  color: var(--inst-ink);
}
.infrastructure-layout {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: 52px;
  align-items: center;
}
.infrastructure-copy h2 {
  margin: 8px 0 0;
  max-width: 480px;
  font-size: clamp(34px, 4.1vw, 62px);
  line-height: .98;
  letter-spacing: -.045em;
  text-transform: uppercase;
}
.institution-title-line--left { margin: 22px 0; }
.infrastructure-copy p {
  max-width: 530px;
  color: #47515c;
  line-height: 1.72;
  font-size: 15.5px;
}
.outline-action {
  display: inline-flex;
  align-items: center;
  gap: 28px;
  margin-top: 10px;
  padding: 13px 18px;
  border: 1px solid var(--inst-gold);
  border-radius: 5px;
  color: #8e6204;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .04em;
  text-decoration: none;
  transition: .25s ease;
}
.outline-action:hover { background: var(--inst-gold); color: #07121c; transform: translateY(-2px); }

.infrastructure-gallery {
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  grid-template-rows: 230px 230px;
  gap: 8px;
}
.infrastructure-gallery figure {
  min-width: 0;
  margin: 0;
  overflow: hidden;
  border-radius: 9px;
  background: #0a1a27;
}
.infrastructure-gallery .gallery-main { grid-row: 1 / span 2; }
.infrastructure-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .55s ease;
}
.infrastructure-gallery figure:hover img { transform: scale(1.035); }

.values-section { padding-top: 70px; }
.values-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  border-top: 1px solid rgba(227, 165, 28, .23);
  border-bottom: 1px solid rgba(227, 165, 28, .23);
}
.value-item {
  min-width: 0;
  padding: 30px 23px;
  text-align: center;
  border-right: 1px solid rgba(227, 165, 28, .23);
}
.value-item:last-child { border-right: 0; }
.value-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  color: var(--inst-gold-2);
  border: 1px solid rgba(227,165,28,.55);
  border-radius: 50%;
  font-size: 22px;
}
.value-item h3 { margin: 0 0 8px; color: var(--inst-gold-2); font-size: 14px; text-transform: uppercase; }
.value-item p { margin: 0; color: rgba(255,255,255,.68); font-size: 13px; line-height: 1.6; }

.institution-cta {
  background: linear-gradient(100deg, #d7960d, #f2bd42 55%, #da9610);
  color: #07121c;
}
.institution-cta__inner {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
}
.institution-cta__inner span { font-weight: 900; font-size: 14px; letter-spacing: .08em; }
.institution-cta__inner p { margin: 3px 0 0; font-size: 14px; }
.institution-cta__inner a {
  min-width: 230px;
  padding: 14px 22px;
  text-align: center;
  border-radius: 5px;
  background: #071522;
  color: #fff;
  text-decoration: none;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .06em;
  box-shadow: 0 8px 20px rgba(3, 12, 20, .18);
  transition: .25s ease;
}
.institution-cta__inner a:hover { transform: translateY(-2px); background: #0d2334; }

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .infrastructure-gallery img, .outline-action, .institution-cta__inner a { transition: none; }
}

@media (max-width: 1080px) {
  .institution-hero { min-height: 470px; }
  .essence-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .essence-card:nth-child(2) { border-right: 0; }
  .essence-card:nth-child(-n+2) { border-bottom: 1px solid rgba(12, 28, 43, .13); }
  .backing-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .backing-item:nth-child(3) { border-right: 0; }
  .backing-item:nth-child(-n+3) { border-bottom: 1px solid rgba(227,165,28,.25); }
  .infrastructure-layout { grid-template-columns: 1fr; }
  .infrastructure-copy { max-width: 760px; }
  .values-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .value-item:nth-child(3) { border-right: 0; }
  .value-item:nth-child(-n+3) { border-bottom: 1px solid rgba(227,165,28,.23); }
}

@media (max-width: 720px) {
  .institution-hero {
    min-height: 520px;
    background-position: 64% center;
  }
  .institution-hero::before { background: linear-gradient(180deg, rgba(3,13,22,.3), rgba(3,13,22,.55)); }
  .institution-hero h1 { font-size: clamp(48px, 15vw, 68px); }
  .institution-hero h2 { font-size: 22px; }
  .institution-hero p { font-size: 15px; }
  .essence-section, .backing-section, .values-section, .infrastructure-section { padding: 62px 0; }
  .essence-grid { grid-template-columns: 1fr; }
  .essence-card { border-right: 0; border-bottom: 1px solid rgba(12, 28, 43, .13); }
  .essence-card:last-child { border-bottom: 0; }
  .backing-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .backing-item { border-bottom: 1px solid rgba(227,165,28,.25); }
  .backing-item:nth-child(odd) { border-right: 1px solid rgba(227,165,28,.25); }
  .backing-item:nth-child(even) { border-right: 0; }
  .backing-item:nth-last-child(-n+2) { border-bottom: 0; }
  .credential-strip { grid-template-columns: 1fr; text-align: center; }
  .credential-seal { margin: auto; }
  .infrastructure-gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 270px 150px; }
  .infrastructure-gallery .gallery-main { grid-column: 1 / -1; grid-row: auto; }
  .values-grid { grid-template-columns: 1fr; }
  .value-item { border-right: 0; border-bottom: 1px solid rgba(227,165,28,.23); }
  .value-item:last-child { border-bottom: 0; }
  .institution-cta__inner { padding: 22px 0; flex-direction: column; align-items: stretch; text-align: center; }
  .institution-cta__inner a { min-width: 0; width: 100%; }
}

@media (max-width: 430px) {
  .backing-grid { grid-template-columns: 1fr; }
  .backing-item, .backing-item:nth-child(odd), .backing-item:nth-child(even) { border-right: 0; border-bottom: 1px solid rgba(227,165,28,.25); }
  .backing-item:last-child { border-bottom: 0; }
  .infrastructure-gallery { grid-template-columns: 1fr; grid-template-rows: 250px 180px 180px; }
  .infrastructure-gallery .gallery-main { grid-column: auto; }
}