:root {
  --azul-profundo: #001d6e;
  --azul-principal: #0036a3;
  --azul-secundario: #0057e7;
  --azul-claro: #0a84ff;
  --cian: #00e5ff;
  --amarillo: #ffc400;
  --blanco: #ffffff;
  --gris-claro: #d9e8ff;
  --gris-texto: #4d5b7c;
  --oscuro: #081533;
  --card: rgba(255, 255, 255, 0.1);
  --borde: rgba(255, 255, 255, 0.18);
  --sombra: 0 20px 60px rgba(0, 0, 0, 0.25);
  --radio: 24px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
  color: var(--oscuro);
  background: #f5f8ff;
  line-height: 1.6;
}

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

a {
  text-decoration: none;
}

.container {
  width: min(92%, var(--max-width));
  margin: 0 auto;
}

.narrow {
  max-width: 850px;
}

/* HEADER */

.site-header {
  width: 100%;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(0, 29, 110, 0.92);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
}

.header-content {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--blanco);
}

.brand-symbol {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--cian), var(--azul-claro));
  color: var(--blanco);
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  box-shadow: 0 0 30px rgba(0, 229, 255, 0.5);
}

.brand h1 {
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  line-height: 1.2;
}

.brand p {
  font-size: 0.78rem;
  color: var(--gris-claro);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 18px;
}

.main-nav a {
  color: var(--gris-claro);
  font-size: 0.92rem;
  font-weight: 600;
  transition: 0.25s ease;
}

.main-nav a:hover {
  color: var(--cian);
}

.menu-toggle {
  display: none;
  background: transparent;
  color: var(--blanco);
  border: none;
  font-size: 1.8rem;
  cursor: pointer;
}

/* HERO */

.hero {
  position: relative;
  overflow: hidden;
  padding: 90px 0 80px;
  background:
    radial-gradient(circle at 85% 25%, rgba(0, 229, 255, 0.25), transparent 28%),
    radial-gradient(circle at 15% 70%, rgba(255, 196, 0, 0.18), transparent 25%),
    linear-gradient(135deg, #00104d 0%, #0036a3 45%, #0057e7 100%);
  color: var(--blanco);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.18) 1px, transparent 1px);
  background-size: 38px 38px;
  opacity: 0.22;
}

.hero-bg-shape {
  position: absolute;
  width: 650px;
  height: 650px;
  right: -240px;
  bottom: -260px;
  border-radius: 50%;
  background: rgba(0, 229, 255, 0.08);
  border: 1px solid rgba(0, 229, 255, 0.25);
}

.hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--cian);
  text-transform: uppercase;
  font-weight: 800;
  letter-spacing: 8px;
  margin-bottom: 20px;
}

.eyebrow::before,
.eyebrow::after {
  content: "";
  width: 48px;
  height: 2px;
  background: var(--cian);
}

.hero h2 {
  font-size: clamp(3.2rem, 8vw, 7rem);
  line-height: 0.92;
  margin-bottom: 28px;
  text-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
}

.hero h2 span {
  display: block;
  font-size: clamp(2.3rem, 5vw, 4.2rem);
}

.hero h2 strong {
  display: block;
  color: var(--amarillo);
  font-style: italic;
}

.hero h2 small {
  display: block;
  font-size: clamp(1.35rem, 3vw, 2.4rem);
  color: var(--gris-claro);
  margin-top: 12px;
}

.hero-description {
  max-width: 650px;
  color: var(--gris-claro);
  font-size: 1.15rem;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-card {
  border-radius: var(--radio);
  overflow: hidden;
  box-shadow: var(--sombra);
  border: 1px solid rgba(255, 255, 255, 0.22);
  transform: rotate(1deg);
  background: rgba(255, 255, 255, 0.08);
  padding: 10px;
}

.hero-card img {
  border-radius: calc(var(--radio) - 8px);
}

/* BUTTONS */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 800;
  transition: 0.25s ease;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--amarillo), #ffdd4a);
  color: #06184a;
  box-shadow: 0 10px 25px rgba(255, 196, 0, 0.28);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 14px 32px rgba(255, 196, 0, 0.38);
}

.btn-outline {
  color: var(--blanco);
  border-color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.08);
}

.btn-outline:hover {
  border-color: var(--cian);
  color: var(--cian);
  transform: translateY(-3px);
}

.btn-secondary {
  background: var(--azul-principal);
  color: var(--blanco);
}

.btn-secondary:hover {
  background: var(--azul-secundario);
  transform: translateY(-3px);
}

.disabled-link {
  opacity: 0.85;
}

/* SECTIONS */

.section {
  padding: 90px 0;
}

.section-dark {
  background:
    radial-gradient(circle at top right, rgba(0, 229, 255, 0.18), transparent 30%),
    linear-gradient(135deg, var(--azul-profundo), var(--azul-principal));
  color: var(--blanco);
}

.section-label {
  display: inline-block;
  color: var(--cian);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 0.82rem;
  margin-bottom: 14px;
}

.section-heading {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 48px;
}

.section-heading h2,
.welcome h2,
.two-columns h2,
.contact-section h2 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.08;
  margin-bottom: 18px;
}

.section-heading p,
.welcome p,
.two-columns p,
.contact-section p {
  font-size: 1.05rem;
}

.section-dark .section-heading p,
.section-dark .two-columns p {
  color: var(--gris-claro);
}

.welcome {
  background: var(--blanco);
}

.welcome p + p {
  margin-top: 16px;
}

/* CARDS */

.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.info-card {
  padding: 28px;
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--borde);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.18);
}

.info-card .icon {
  color: var(--amarillo);
  font-weight: 900;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.info-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.info-card p {
  color: var(--gris-claro);
}

/* CTA */

.cta-box {
  margin-top: 42px;
  padding: 32px;
  border-radius: var(--radio);
  background: rgba(255, 255, 255, 0.11);
  border: 1px solid var(--borde);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.cta-box p {
  color: var(--gris-claro);
}

/* EVALUATION */

.evaluation-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

.evaluation-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 38px;
  box-shadow: 0 14px 40px rgba(0, 40, 120, 0.12);
  border: 1px solid #e5ecff;
}

.percentage {
  font-size: 4rem;
  font-weight: 900;
  color: var(--azul-principal);
  line-height: 1;
  margin-bottom: 16px;
}

.evaluation-card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.evaluation-card p {
  color: var(--gris-texto);
}

/* TIMELINE */

.timeline {
  display: grid;
  gap: 20px;
  max-width: 900px;
  margin: 0 auto;
  position: relative;
}

.timeline-item {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--borde);
  border-radius: 20px;
  padding: 24px 26px;
  position: relative;
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.16);
}

.timeline-item span {
  display: inline-block;
  color: var(--amarillo);
  font-weight: 900;
  margin-bottom: 8px;
}

.timeline-item h3 {
  font-size: 1.35rem;
  margin-bottom: 6px;
}

.timeline-item p {
  color: var(--gris-claro);
}

/* TWO COLUMNS */

.two-columns {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 42px;
  align-items: center;
}

.notice {
  margin-top: 24px;
  background: #fff7d8;
  color: #3e3200;
  border-left: 5px solid var(--amarillo);
  padding: 18px;
  border-radius: 14px;
}

.action-panel {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 34px;
  box-shadow: 0 16px 45px rgba(0, 40, 120, 0.14);
  border: 1px solid #e4ecff;
}

.action-panel h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

.action-panel p {
  color: var(--gris-texto);
  margin-bottom: 24px;
}

.action-panel small {
  display: block;
  color: var(--gris-texto);
  margin-top: 16px;
}

.action-panel.glass {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--borde);
  color: var(--blanco);
  box-shadow: 0 18px 45px rgba(0, 0, 0, 0.22);
}

.action-panel.glass p {
  color: var(--gris-claro);
}

/* CHECK LIST */

.check-list {
  margin-top: 24px;
  list-style: none;
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 34px;
}

.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--amarillo);
  font-weight: 900;
}

/* MEETINGS */

.meeting-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 38px;
}

.meeting-card {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 32px;
  box-shadow: 0 14px 40px rgba(0, 40, 120, 0.12);
  border: 1px solid #e5ecff;
}

.meeting-card h3 {
  font-size: 1.4rem;
  margin-bottom: 10px;
}

.meeting-card p {
  color: var(--gris-texto);
  margin-bottom: 24px;
}

/* TABLE */

.table-wrapper {
  overflow-x: auto;
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: 0 14px 40px rgba(0, 40, 120, 0.12);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

th,
td {
  padding: 18px;
  text-align: left;
  border-bottom: 1px solid #e7edff;
}

th {
  background: var(--azul-principal);
  color: var(--blanco);
  font-size: 0.92rem;
}

td {
  color: var(--gris-texto);
}

/* CONTACT */

.contact-section {
  text-align: center;
  background:
    radial-gradient(circle at center, rgba(0, 229, 255, 0.12), transparent 35%),
    #f5f8ff;
}

/* FOOTER */

.site-footer {
  background: #000f3b;
  color: var(--blanco);
  padding: 34px 0;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  gap: 28px;
  align-items: center;
}

.footer-content p {
  color: var(--gris-claro);
  font-size: 0.92rem;
}

/* SCROLL TOP */

.scroll-top {
  position: fixed;
  right: 22px;
  bottom: 22px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: none;
  background: var(--amarillo);
  color: #06184a;
  font-size: 1.3rem;
  font-weight: 900;
  cursor: pointer;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
  display: none;
  z-index: 80;
}

.scroll-top.show {
  display: grid;
  place-items: center;
}

/* RESPONSIVE */

@media (max-width: 980px) {
  .hero-grid,
  .two-columns {
    grid-template-columns: 1fr;
  }

  .hero-card {
    max-width: 560px;
    margin: 0 auto;
    transform: none;
  }

  .cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 760px) {
  .header-content {
    min-height: 68px;
  }

  .brand h1 {
    font-size: 0.78rem;
  }

  .brand p {
    font-size: 0.68rem;
  }

  .brand-symbol {
    width: 38px;
    height: 38px;
  }

  .menu-toggle {
    display: block;
  }

  .main-nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: rgba(0, 29, 110, 0.98);
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 6%;
    display: none;
  }

  .main-nav.active {
    display: flex;
  }

  .main-nav a {
    width: 100%;
    padding: 8px 0;
  }

  .hero {
    padding: 70px 0 60px;
  }

  .eyebrow {
    letter-spacing: 4px;
    font-size: 0.78rem;
  }

  .eyebrow::before,
  .eyebrow::after {
    width: 30px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .btn {
    width: 100%;
  }

  .section {
    padding: 68px 0;
  }

  .cards-grid,
  .evaluation-grid,
  .meeting-grid {
    grid-template-columns: 1fr;
  }

  .cta-box {
    flex-direction: column;
    align-items: flex-start;
  }

  .percentage {
    font-size: 3.2rem;
  }
}

@media (max-width: 480px) {
  .container {
    width: min(90%, var(--max-width));
  }

  .hero h2 {
    font-size: 3.1rem;
  }

  .hero h2 span {
    font-size: 2.1rem;
  }

  .hero h2 small {
    font-size: 1.25rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .info-card,
  .evaluation-card,
  .meeting-card,
  .action-panel {
    padding: 24px;
  }
}
/* =========================
   AJUSTE DE CENTRADO GENERAL
========================= */

.section-heading {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3rem auto;
}

.section-heading h2,
.section-heading p {
  text-align: center;
}

/* Centrar tarjetas en secciones tipo grid */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 320px));
  gap: 1.5rem;
  justify-content: center;
  align-items: stretch;
}

/* Centrado especial para integridad académica */
#integridad .cards-grid {
  max-width: 1050px;
  margin: 0 auto;
}

/* Mejor lectura de las tarjetas */
#integridad .info-card {
  min-height: 230px;
}

/* Centrar línea de tiempo */
.timeline {
  max-width: 760px;
  margin: 0 auto;
}

/* Centrar tarjetas de evaluación */
.evaluation-grid {
  justify-content: center;
}

/* Evitar que las secciones se vean pegadas arriba o desbalanceadas */
.section {
  overflow: hidden;
}
.integridad-section .container {
  max-width: 1180px;
  margin: 0 auto;
}

.integridad-section .section-heading {
  text-align: center;
}
/* ==================================================
   CORRECCIÓN FUERTE DE CENTRADO
   Integridad académica, fechas y premiación
================================================== */

#integridad,
#fechas,
#premiacion {
  text-align: center !important;
}

#integridad .container,
#fechas .container,
#premiacion .container {
  width: min(1100px, 92%) !important;
  max-width: 1100px !important;
  margin-left: auto !important;
  margin-right: auto !important;
  display: block !important;
}

/* Encabezados centrados */
#integridad .section-heading,
#fechas .section-heading,
#premiacion .section-heading {
  width: 100% !important;
  max-width: 760px !important;
  margin: 0 auto 3rem auto !important;
  text-align: center !important;
}

#integridad .section-heading h2,
#integridad .section-heading p,
#fechas .section-heading h2,
#fechas .section-heading p,
#premiacion .section-heading h2,
#premiacion .section-heading p {
  text-align: center !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Tarjetas de Integridad académica */
#integridad .cards-grid {
  width: 100% !important;
  max-width: 980px !important;
  margin: 0 auto !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 1.5rem !important;
  justify-content: center !important;
  align-items: stretch !important;
}

#integridad .info-card {
  text-align: left !important;
}

/* Timeline centrado */
#fechas .timeline {
  width: 100% !important;
  max-width: 760px !important;
  margin-left: auto !important;
  margin-right: auto !important;
}

/* Premiación centrada */
#premiacion .evaluation-grid {
  width: 100% !important;
  max-width: 980px !important;
  margin: 0 auto !important;
  display: grid !important;
  grid-template-columns: repeat(3, 1fr) !important;
  gap: 1.5rem !important;
  justify-content: center !important;
}

/* Responsive */
@media (max-width: 900px) {
  #integridad .cards-grid,
  #premiacion .evaluation-grid {
    grid-template-columns: 1fr !important;
    max-width: 520px !important;
  }
}