:root {
  --deep-green: #1f3a3d;
  --accent: #6bcf9b;
  --off-white: #f5f7f7;
  --mist: #8fa3a1;
  --petrol: #2a4a4d;
  --ink: #0f1f22;
  --slate: #2c3a3d;
  --stroke: rgba(15, 31, 34, 0.14);
}

html { overflow-x: hidden; scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; }
body {
  max-width: 100%;
  margin: 0;
  overflow-x: clip;
  color: var(--deep-green);
  background: var(--off-white);
  font-family: "Space Grotesk", system-ui, sans-serif;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, video, iframe { display: block; max-width: 100%; }
[hidden] { display: none !important; }
button, input, select, textarea { font: inherit; }
button, [role="button"] { cursor: pointer; }
h1, h2, h3, h4 { font-family: "IBM Plex Sans", system-ui, sans-serif; font-weight: 500; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
main { display: flex; flex-direction: column; gap: 96px; padding: 0 6vw 96px; }

/* Shared header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  width: 100%;
  max-width: 100vw;
  min-height: 104px;
  padding: 20px max(4.5vw, 44px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--deep-green);
  border-bottom: 1px solid var(--accent);
}
.logo, .site-header .logo {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 17px;
  color: var(--off-white);
}
.logo-image, .site-header .logo-image { width: 132px; height: auto; }
.logo-name, .site-header .logo-name {
  display: block;
  max-width: 190px;
  padding: 0;
  color: rgba(245, 247, 247, 0.78);
  font-size: 0.62rem;
  font-weight: 500;
  line-height: 1.32;
  letter-spacing: 0.17rem;
  text-align: left;
  text-transform: uppercase;
}
.site-nav, .site-header .site-nav {
  counter-reset: primary-nav;
  display: flex;
  align-items: center;
  gap: clamp(22px, 2.6vw, 46px);
}
.site-header .site-nav a {
  counter-increment: primary-nav;
  position: relative;
  padding: 10px 0;
  display: inline-flex;
  align-items: baseline;
  gap: 9px;
  color: var(--off-white);
  font-size: 0.69rem;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  transition: color 180ms ease;
}
.site-header .site-nav a::before {
  content: counter(primary-nav, decimal-leading-zero);
  color: var(--accent);
  font-size: 0.55rem;
  letter-spacing: 0.08em;
}
.site-header .site-nav a:hover,
.site-header .site-nav a:focus-visible,
.site-header .site-nav a[aria-current="page"] { color: var(--accent); }
.site-header .site-nav a[aria-current="page"] { box-shadow: inset 0 -1px 0 var(--accent); }
.nav-toggle, .site-header .nav-toggle {
  display: none;
  padding: 8px 16px;
  border: 1px solid rgba(107, 207, 155, 0.58);
  border-radius: 0;
  background: transparent;
  color: var(--off-white);
  font-family: inherit;
  font-size: 0.68rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

/* Shared continuous marquees */
.ticker { width: 100%; overflow: hidden; }
.ticker-track {
  width: max-content;
  min-width: max-content;
  display: flex;
  animation: ticker-scroll 26s linear infinite;
  will-change: transform;
}
.ticker.reverse .ticker-track { animation-direction: reverse; }
.ticker-text {
  flex: none;
  padding-right: 32px;
  color: var(--accent);
  font-family: "Space Grotesk", system-ui, sans-serif;
  font-size: 0.9rem;
  letter-spacing: 0.2rem;
  text-transform: uppercase;
  white-space: nowrap;
}
@keyframes ticker-scroll { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* Small shared primitives */
.eyebrow { margin: 0; color: var(--accent); font-size: 0.7rem; letter-spacing: 0.4rem; text-transform: uppercase; }
.button {
  padding: 12px 22px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 0;
  font-weight: 500;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}
.button.small { padding: 8px 16px; font-size: 0.85rem; }
.button.primary { border-color: var(--deep-green); background: transparent; color: var(--deep-green); }
.button.ghost { border-color: currentColor; }
.button:hover, .button:focus-visible { transform: translateY(-2px); }
.button.primary:hover, .button.primary:focus-visible,
.button.ghost:hover, .button.ghost:focus-visible { background: var(--deep-green); color: var(--off-white); }

/* Shared news sharing action */
.news-share-linkedin {
  min-height: 40px;
  padding: 0 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid currentColor;
  color: var(--deep-green);
  font-size: 0.82rem;
  font-weight: 600;
  line-height: 1;
  white-space: nowrap;
}

.news-share-linkedin .news-share-label {
  display: inline-block;
}

.news-share-linkedin .news-arrow {
  margin-left: 2px;
}

.news-share-linkedin:hover,
.news-share-linkedin:focus-visible {
  background: var(--deep-green);
  color: var(--off-white);
}
.section { padding: 48px clamp(24px, 4vw, 64px); background: var(--off-white); }

/* Shared expanded footer */
.site-footer.csit-footer {
  min-height: clamp(500px, 43vw, 660px);
  margin-top: 0;
  padding: clamp(56px, 6vw, 92px) 6vw 26px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 0;
  border-top: 0;
  background: var(--deep-green);
  color: var(--off-white);
}
.csit-footer__top {
  display: grid;
  grid-template-columns: minmax(210px, 0.75fr) minmax(300px, 0.9fr) minmax(340px, 1.25fr);
  align-items: start;
  gap: clamp(48px, 7vw, 126px);
}
.csit-footer__identity, .csit-footer__institution { min-width: 0; }
.csit-footer__brand { display: block; width: clamp(150px, 14vw, 218px); }
.csit-footer__brand img { width: 100%; height: auto; }
.csit-footer__name {
  margin: 30px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.15rem, 1.5vw, 1.55rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.025em;
}
.csit-footer__tagline { max-width: 240px; margin: 18px 0 0; color: var(--accent); font-size: 0.82rem; line-height: 1.45; }
.csit-footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: clamp(24px, 3vw, 52px); }
.csit-footer__nav a {
  min-height: 46px;
  padding: 12px 0;
  display: flex;
  align-items: baseline;
  gap: 12px;
  border-bottom: 1px solid rgba(245, 244, 235, 0.24);
  color: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.075em;
  text-transform: uppercase;
  transition: color 180ms ease, border-color 180ms ease;
}
.csit-footer__nav a span { color: var(--accent); font-size: 0.58rem; letter-spacing: 0.08em; }
.csit-footer__nav a:hover, .csit-footer__nav a:focus-visible,
.csit-footer__nav a[aria-current="page"] { color: var(--accent); border-color: var(--accent); }
.csit-footer__micro { margin: 0; color: var(--accent); font-size: 0.65rem; font-weight: 600; letter-spacing: 0.16em; text-transform: uppercase; }
.csit-footer__institution-mark { width: min(100%, 500px); margin-top: 30px; }
.csit-footer__institution-mark img {
  width: 100%;
  height: auto;
  object-fit: contain;
  opacity: 0.82;
  transition: transform 220ms ease, opacity 180ms ease;
}
.csit-footer__institution-mark:hover img,
.csit-footer__institution-mark:focus-visible img {
  transform: translateX(5px);
  opacity: 1;
}
.csit-footer__institution-detail {
  max-width: 510px;
  margin: 26px 0 0;
  color: rgba(245, 244, 235, 0.7);
  font-size: clamp(0.95rem, 1.15vw, 1.18rem);
  line-height: 1.45;
}
.csit-footer__institution-links { max-width: 510px; margin-top: 28px; display: grid; }
.csit-footer__institution-links a {
  padding: 11px 0;
  border-top: 1px solid rgba(245, 244, 235, 0.24);
  color: var(--off-white);
  font-size: 0.76rem;
  line-height: 1.35;
  transition: color 180ms ease, border-color 180ms ease;
}
.csit-footer__institution-links a:hover,
.csit-footer__institution-links a:focus-visible { color: var(--accent); border-color: var(--accent); }
.csit-footer__institution-links a[href*="/grupos/31922/"] {
  min-height: 92px;
  padding: 16px 0;
  display: grid;
  grid-template-columns: minmax(92px, 132px) 1fr;
  align-items: center;
  gap: 22px;
}
.csit-footer__institution-links a[href*="/grupos/31922/"]::before {
  content: "";
  width: 100%;
  aspect-ratio: 3608.32 / 796.41;
  background: url("../assets/logos/GSIT-LOGO-SIMBOLO.svg") center / contain no-repeat;
  filter: brightness(0) invert(1);
  opacity: 0.82;
  transition: transform 220ms ease, opacity 180ms ease;
}
.csit-footer__institution-links a[href*="/grupos/31922/"]:hover::before,
.csit-footer__institution-links a[href*="/grupos/31922/"]:focus-visible::before { transform: translateX(5px); opacity: 1; }
.csit-footer__bottom {
  margin-top: auto;
  padding-top: 21px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 30px;
  border-top: 1px solid rgba(245, 244, 235, 0.24);
}
.csit-footer__bottom p, .csit-footer__bottom a {
  margin: 0;
  color: rgba(245, 244, 235, 0.72);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}
.csit-footer__bottom p:nth-child(2) { text-align: center; }
.csit-footer__bottom a { justify-self: end; transition: color 180ms ease; }
.csit-footer__bottom a:hover, .csit-footer__bottom a:focus-visible { color: var(--accent); }

@media (max-width: 1080px) {
  .site-header .logo-name { display: none; }
  .site-header .site-nav { gap: clamp(16px, 2vw, 28px); }
}

@media (max-width: 1040px) {
  .site-header { min-height: 82px; padding: 16px 4vw; flex-wrap: wrap; gap: 16px; }
  .site-header .logo-image { width: 118px; }
  .site-header .site-nav {
    display: none;
    width: 100%;
    margin-top: 2px;
    padding: 8px 0 2px;
    flex-direction: column;
    gap: 0;
    border-top: 1px solid rgba(107, 207, 155, 0.28);
  }
  .site-header .site-nav.open { display: flex; }
  .site-header .site-nav a {
    width: 100%;
    justify-content: space-between;
    padding: 14px 0;
    border-bottom: 1px solid rgba(245, 247, 247, 0.16);
  }
  .site-header .site-nav a::before { order: 2; }
  .site-header .site-nav a[aria-current="page"] { box-shadow: none; }
  .site-header .nav-toggle {
    position: absolute;
    top: 22px;
    right: 4vw;
    z-index: 2;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: auto;
    min-width: 72px;
    min-height: 40px;
    padding: 0 14px;
    border-width: 1px;
  }
}

@media (max-width: 900px) {
  .site-footer.csit-footer { min-height: 650px; }
  .csit-footer__top { grid-template-columns: minmax(190px, 0.7fr) minmax(320px, 1.3fr); }
  .csit-footer__institution { grid-column: 1 / -1; max-width: 620px; }
}

@media (max-width: 680px) {
  main { gap: 64px; padding: 0 7vw 72px; }
  .site-footer.csit-footer { min-height: 0; padding: 52px 7vw 24px; }
  .csit-footer__top { display: block; }
  .csit-footer__nav, .csit-footer__institution { margin-top: 48px; }
  .csit-footer__nav { grid-template-columns: 1fr; }
  .csit-footer__institution-mark { width: min(100%, 420px); }
  .csit-footer__institution-links a[href*="/grupos/31922/"] { grid-template-columns: minmax(88px, 120px) 1fr; gap: 18px; }
  .csit-footer__bottom { margin-top: 56px; grid-template-columns: 1fr auto; row-gap: 13px; }
  .csit-footer__bottom p:nth-child(2) { text-align: right; }
  .csit-footer__bottom a { grid-column: 1 / -1; justify-self: start; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}