/* ====== Variables base ====== */
:root {
  --bg: #0e4165; /* azul cabecera */
  --card-bg: #ffffff;
  --text: #1b2430;
  --muted: #556070;
  --accent: #0a7fc1;
  --shadow: 0 6px 24px rgba(0,0,0,.08);
  --brand:#F8C51C;
  --light:#ffffff;
  --light-ink:#111111;
  --radius: 16px;
  --time-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --body-font: var(--time-font);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--text);
  font-family: var(--body-font);
  line-height: 1.45;
  background: linear-gradient(180deg, #f6f9fc 0%, #f2f6fb 35%, #eef3f9 100%);
}
.site-header {
  position: relative;
  color: #fff;
  background: var(--bg);
  overflow: hidden;
}
.brand {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 16px clamp(16px, 4vw, 48px);
}
.brand__logo {
  width: clamp(48px, 12vw, 88px);
  height: auto;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: var(--shadow);
  background: #fff;
}
.brand__title { display: grid; }
.brand__name {
  font-weight: 800;
  letter-spacing: .5px;
  font-size: clamp(20px, 5vw, 28px);
}
.brand__subtitle {
  font-weight: 700;
  opacity: .95;
  font-size: clamp(18px, 4.5vw, 26px);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-position: right center;
  background-repeat: no-repeat;
  background-size: cover;
  opacity: .35;
}
.container {
  margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 48px) 48px;
  max-width: 1100px;
}
.clock-board { display: grid; gap: 18px; }
.date-row { display: flex; align-items: center; justify-content: center; }
.date-row__value {
  text-align: center;
  font-weight: 700;
  /* aumentado según solicitud */
  font-size: clamp(26px, 6vw, 44px);
  color: var(--text);
  text-transform: none;
}
.cards {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3.5vw, 24px);
  display: grid;
  gap: 8px;
}
.card__title {
  margin: 0;
  color: var(--muted);
  font-weight: 800;
  letter-spacing: .2px;
  font-size: clamp(14px, 2.8vw, 16px);
  text-transform: none;
}
.card__time {
  font-family: var(--time-font);
  font-variant-numeric: tabular-nums;
  font-feature-settings: "tnum";
  letter-spacing: 1px;
  line-height: 1;
  color: #0b2033;
  font-weight: 800;
  font-size: clamp(28px, 8vw, 56px);
  text-align: center;
}
.card__caption { font-size: clamp(12px, 2.6vw, 14px); color: var(--muted); text-align: center; }

.about {
  margin-top: 24px;
  background: #ffffffcc;
  border: 1px solid #e8edf3;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(16px, 3.5vw, 24px);
  text-align: justify;
}
.about__title { margin-top: 0; font-size: clamp(18px, 3.8vw, 24px); }
.about a { color: var(--accent); text-decoration: none; }
.about a:hover { text-decoration: underline; }

/* cuadro de enlaces debajo del institucional */
.links-box{
  margin-top: 16px;
  background: #f8fbff;
  border: 1px solid #dbe8f6;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: clamp(14px, 3vw, 18px);
}
.links-box__title{
  margin: 0 0 10px 0;
  color: var(--muted);
  font-weight: 800;
  font-size: clamp(13px, 2.6vw, 15px);
}
.links-grid{
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.links-a{
  display: block;
  text-decoration: none;
  text-align: center;
  background: #fff;
  color: #0b3c62;
  border: 1px solid #d5e3f2;
  border-radius: 10px;
  padding: 10px 12px;
  font-weight: 700;
  font-size: 13px;
  transition: .2s ,color,transform;
}
.links-a:hover{ background:#eaf3ff; color:#062943; transform: translateY(-1px); }

.noscript {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 8px;
  background: #fff3cd;
  color: #7a5e00;
  border: 1px solid #ffe69c;
}
.site-footer { text-align: center; padding: 16px; color: var(--muted); font-size: 13px; }