/* ============================================
   CODEX Landing Page - Estilos Principales
   ============================================ */

:root {
  --color-primary: #003366;
  --color-primary-dark: #004080;
  --color-cyan: #00bcd4;
  --color-violet: #6b46c1;
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-900: #111827;
  --font-family: "Montserrat", sans-serif;
}

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

body {
  font-family: var(--font-family);
  overflow-x: hidden;
  color: var(--color-gray-700);
}

/* ============================================
   NAVBAR
   ============================================ */

.navbar-glass {
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  transition: all 0.3s ease;
}

.navbar-glass.scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08);
}

.brand-logo {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 1.25rem;
  box-shadow: 0 10px 15px -3px rgba(0, 188, 212, 0.3);
}

.brand-text h1 {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
}

.brand-text p {
  font-size: 0.75rem;
  color: var(--color-gray-600);
  margin: 0;
}

.navbar-nav .nav-link {
  color: var(--color-primary);
  font-weight: 500;
  padding: 0.5rem 1rem;
  transition: color 0.3s ease;
}

.navbar-nav .nav-link:hover {
  color: var(--color-cyan);
}

.btn-gradient {
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  color: white;
  font-weight: 600;
  padding: 0.625rem 1.5rem;
  border-radius: 0.5rem;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 10px 15px -3px rgba(0, 188, 212, 0.3);
}

.btn-gradient:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 25px -5px rgba(0, 188, 212, 0.4);
  color: white;
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
  position: relative;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 50%, var(--color-violet) 100%);
  color: white;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg-animated {
  position: absolute;
  inset: 0;
  overflow: hidden;
  z-index: 0;
}

.hero-bg-animated::before,
.hero-bg-animated::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: float 8s ease-in-out infinite;
}

.hero-bg-animated::before {
  width: 400px;
  height: 400px;
  background: rgba(0, 188, 212, 0.2);
  top: 10%;
  left: 5%;
}

.hero-bg-animated::after {
  width: 500px;
  height: 500px;
  background: rgba(107, 70, 193, 0.2);
  bottom: 10%;
  right: 5%;
  animation-delay: -4s;
}

@keyframes float {
  0%,
  100% {
    transform: translate(0, 0) scale(1);
    opacity: 0.3;
  }
  50% {
    transform: translate(30px, -30px) scale(1.2);
    opacity: 0.5;
  }
}

.hero-content {
  position: relative;
  z-index: 1;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.875rem;
  font-weight: 500;
  color: white;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 1.5rem;
}

.gradient-text {
  background: linear-gradient(135deg, #67e8f9, #c4b5fd);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: rgba(103, 232, 249, 0.9);
  max-width: 600px;
}

.hero-stats {
  margin-top: 2rem;
}

.stat-number {
  font-size: 2rem;
  font-weight: 700;
  color: #67e8f9;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(103, 232, 249, 0.7);
}

.hero-image-wrapper {
  position: relative;
  animation: fadeInUp 1s ease;
}

.hero-image-wrapper img {
  border-radius: 1.5rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  width: 100%;
  height: auto;
}

/* Logos institucionales en hero */
.institutional-hero-logo {
  height: 48px;
  object-fit: contain;
  opacity: 0.9;
  transition: opacity 0.3s ease;
}

.institutional-hero-logo:hover {
  opacity: 1;
}

/* Logo CODEX principal */
.hero-logo-main {
  max-width: 400px;
  width: 100%;
  filter: drop-shadow(0 25px 50px rgba(0, 0, 0, 0.25));
  animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
  0%,
  100% {
    transform: scale(1) rotate(0deg);
  }
  25% {
    transform: scale(1.05) rotate(2deg);
  }
  50% {
    transform: scale(1.05) rotate(-2deg);
  }
  75% {
    transform: scale(1) rotate(0deg);
  }
}

.hero-logo-glow {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(0, 188, 212, 0.3), rgba(107, 70, 193, 0.3));
  filter: blur(60px);
  z-index: -1;
  animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
  0%,
  100% {
    opacity: 0.5;
    transform: scale(1);
  }
  50% {
    opacity: 0.8;
    transform: scale(1.1);
  }
}

/* Floating cards */
.floating-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  padding: 1.5rem;
  width: 210px;
  min-height: 120px;
  border-radius: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.2);
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.card-top-right {
  top: -1.5rem;
  right: -1.5rem;
  animation: floatTopRight 4s ease-in-out infinite;
}

@keyframes floatTopRight {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-20px);
  }
}

.card-bottom-left {
  bottom: -1.5rem;
  left: -1.5rem;
  animation: floatBottomLeft 5s ease-in-out infinite;
}

@keyframes floatBottomLeft {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(20px);
  }
}

.card-top-left {
  top: -1.5rem;
  left: -1.5rem;
  animation: floatTopLeft 5.5s ease-in-out infinite;
}

@keyframes floatTopLeft {
  0%,
  100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(-15px) translateX(-5px);
  }
}

.card-bottom-right {
  bottom: -1.5rem;
  right: -1.5rem;
  animation: floatBottomRight 4.5s ease-in-out infinite;
}

@keyframes floatBottomRight {
  0%,
  100% {
    transform: translateY(0) translateX(0);
  }
  50% {
    transform: translateY(15px) translateX(5px);
  }
}

.floating-card .card-icon {
  font-size: 0.92rem;
  font-weight: 700;
  color: #67e8f9;
  line-height: 1.2;
  min-height: 2.4em;
  display: flex;
  align-items: center;
}

.floating-card .card-text {
  font-size: 0.8rem;
  color: white;
  margin-top: 0.4rem;
  line-height: 1.3;
  min-height: 2.6em;
  overflow-wrap: anywhere;
}

/* ============================================
   CURSOS SECTION
   ============================================ */

.section-title {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.25rem;
  color: var(--color-gray-600);
  max-width: 700px;
  margin: 0 auto;
}

.course-card {
  position: relative;
  background: rgba(255, 255, 255, 0.4);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  overflow: hidden;
  height: 100%;
}

.glass-card {
  background: rgba(255, 255, 255, 0.7);
}

.course-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
}

.course-card::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 0.3s ease;
  z-index: 0;
}

.course-card:hover::before {
  opacity: 0.1;
}

.gradient-cyan-blue::before {
  background: linear-gradient(135deg, #00bcd4, #2196f3);
}

.gradient-violet-purple::before {
  background: linear-gradient(135deg, #9c27b0, #673ab7);
}

.gradient-cyan-teal::before {
  background: linear-gradient(135deg, #00bcd4, #009688);
}

.gradient-blue-indigo::before {
  background: linear-gradient(135deg, #2196f3, #3f51b5);
}

.gradient-violet-pink::before {
  background: linear-gradient(135deg, #9c27b0, #e91e63);
}

.gradient-teal-cyan::before {
  background: linear-gradient(135deg, #009688, #00bcd4);
}

.gradient-indigo-purple::before {
  background: linear-gradient(135deg, #3f51b5, #673ab7);
}

.gradient-green-emerald::before {
  background: linear-gradient(135deg, #10b981, #059669);
}

.course-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  position: relative;
  z-index: 1;
}

.gradient-cyan-blue .course-icon {
  background: linear-gradient(135deg, #00bcd4, #2196f3);
}

.gradient-violet-purple .course-icon {
  background: linear-gradient(135deg, #9c27b0, #673ab7);
}

.gradient-cyan-teal .course-icon {
  background: linear-gradient(135deg, #00bcd4, #009688);
}

.gradient-blue-indigo .course-icon {
  background: linear-gradient(135deg, #2196f3, #3f51b5);
}

.gradient-violet-pink .course-icon {
  background: linear-gradient(135deg, #9c27b0, #e91e63);
}

.gradient-teal-cyan .course-icon {
  background: linear-gradient(135deg, #009688, #00bcd4);
}

.gradient-indigo-purple .course-icon {
  background: linear-gradient(135deg, #3f51b5, #673ab7);
}

.gradient-green-emerald .course-icon {
  background: linear-gradient(135deg, #10b981, #059669);
}

.course-icon i {
  font-size: 1.75rem;
  color: white;
}

.course-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.5rem;
  position: relative;
  z-index: 1;
}

.course-category {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray-600);
  margin-bottom: 1rem;
  position: relative;
  z-index: 1;
}

.ucv-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(0, 188, 212, 0.1);
  padding: 0.375rem 0.75rem;
  border-radius: 50px;
  border: 1px solid rgba(0, 188, 212, 0.2);
  font-size: 0.75rem;
  font-weight: 600;
  color: #00838f;
  position: relative;
  z-index: 1;
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-cyan);
  border-radius: 50%;
}

.course-cta {
  opacity: 0;
  transform: translateY(8px);
  transition: all 0.3s ease;
  position: relative;
  z-index: 1;
  margin-top: 1rem;
  width: 100%;
}

.course-card:hover .course-cta {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 991px) {
  .course-cta {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ============================================
   CURSOS MODALS
   ============================================ */

.course-modal {
  --modal-bg: #04192d;
  --modal-surface: #0b2743;
  --modal-surface-2: #123a5d;
  --modal-border: rgba(119, 183, 248, 0.32);
  --modal-accent: #00bfd6;
  --modal-accent-2: #3aa3ff;
  --modal-text: #ecf5ff;
  --modal-muted: #bdd1e8;
}

.course-modal .modal-dialog {
  max-width: 820px;
  margin: 1.25rem auto;
  padding-inline: 0.4rem;
}

.course-modal.show .modal-content {
  transform: translateY(0);
  opacity: 1;
}

.course-modal .modal-content {
  border: 1px solid var(--modal-border);
  border-radius: 1.15rem;
  overflow: hidden;
  background: radial-gradient(circle at top right, #0f3658, var(--modal-bg) 55%);
  box-shadow: 0 30px 80px rgba(1, 12, 24, 0.55);
  transform: translateY(10px);
  opacity: 0.98;
  transition: transform 0.28s ease, opacity 0.28s ease;
}

.course-modal .modal-header {
  padding: 1rem 1.35rem;
  border-bottom: 1px solid rgba(119, 183, 248, 0.28);
  background: linear-gradient(135deg, #032846, #00598f);
}

.course-modal .modal-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--modal-text);
}

.course-modal .modal-header .btn-close {
  filter: invert(1) brightness(1.25);
  opacity: 0.95;
}

.course-modal .modal-body {
  padding: 1.2rem 1.35rem 1.35rem;
  background: transparent;
}

.course-modal .modal-hero {
  background: linear-gradient(130deg, var(--modal-surface), var(--modal-surface-2));
  border: 1px solid rgba(143, 203, 255, 0.32);
  border-radius: 0.95rem;
  padding: 1rem 1.05rem;
  text-align: left;
  position: relative;
  overflow: hidden;
  box-shadow: 0 14px 30px rgba(0, 40, 75, 0.35);
}

.course-modal .modal-hero::after {
  content: "";
  position: absolute;
  right: -34px;
  top: -34px;
  width: 116px;
  height: 116px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(58, 163, 255, 0.24), rgba(58, 163, 255, 0));
  pointer-events: none;
}

.course-modal .modal-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.7rem;
  border-radius: 999px;
  border: 1px solid rgba(167, 218, 255, 0.45);
  background: rgba(0, 191, 214, 0.15);
  color: #dff5ff;
  font-size: 0.71rem;
  font-weight: 700;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.course-modal .modal-hero h3 {
  color: #ffffff;
  font-size: 1.45rem;
}

.course-modal .modal-body .lead {
  margin-bottom: 0;
  font-size: 1rem;
  color: #d3e8fb;
}

.course-modal .nav-tabs {
  border-bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
  margin: 1.1rem 0 1.2rem;
  padding: 0.5rem;
  border-radius: 0.85rem;
  background: rgba(7, 32, 56, 0.82);
  border: 1px solid rgba(133, 191, 245, 0.24);
}

.course-modal .nav-tabs .nav-item {
  margin: 0;
}

.course-modal .nav-tabs .nav-link {
  border: 1px solid rgba(133, 191, 245, 0.18);
  border-radius: 999px;
  color: var(--modal-muted);
  font-weight: 700;
  font-size: 0.82rem;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  padding: 0.48rem 0.95rem;
  background: rgba(255, 255, 255, 0.03);
  transition: all 0.24s ease;
}

.course-modal .nav-tabs .nav-link:hover {
  color: #f2f9ff;
  border-color: rgba(184, 221, 255, 0.52);
  background: rgba(255, 255, 255, 0.1);
}

.course-modal .nav-tabs .nav-link.active {
  border-color: transparent;
  background: linear-gradient(135deg, var(--modal-accent), var(--modal-accent-2));
  color: #042640;
  box-shadow: 0 10px 20px rgba(0, 176, 212, 0.3);
}

.course-modal .tab-content {
  margin-top: 0.25rem;
}

.course-modal .tab-content .card,
.course-modal .modal-card {
  border: 1px solid rgba(147, 200, 250, 0.24);
  border-radius: 0.95rem;
  background: rgba(255, 255, 255, 0.045);
  box-shadow: 0 10px 24px rgba(0, 16, 33, 0.28);
  margin-bottom: 1rem;
  position: relative;
  overflow: hidden;
}

.course-modal .tab-content .card::before,
.course-modal .modal-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--modal-accent), var(--modal-accent-2));
}

.course-modal .tab-content .card-body,
.course-modal .modal-card .card-body {
  padding: 1.15rem 1.1rem 1.15rem 1.2rem;
}

.course-modal .card-title,
.course-modal .section-title-sm {
  color: #f0f7ff;
  font-size: 1.06rem;
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.course-modal .card-text,
.course-modal .modal-card .card-text {
  color: #d1e3f4;
  line-height: 1.55;
  margin-bottom: 0.8rem;
}

#modalPruebaNivelacion .nivelacion-grid {
  display: flex;
  flex-direction: column;
  gap: 0.95rem;
}

#modalPruebaNivelacion .nivelacion-card {
  margin-bottom: 0;
  border: 1px solid rgba(146, 205, 255, 0.38);
  border-radius: 0.95rem;
  background: linear-gradient(135deg, rgba(10, 41, 66, 0.9), rgba(8, 31, 52, 0.9));
  box-shadow: inset 0 0 0 1px rgba(198, 228, 255, 0.08), 0 14px 28px rgba(1, 17, 33, 0.35);
  backdrop-filter: blur(4px);
}

#modalPruebaNivelacion .nivelacion-card .card-body {
  padding: 1.05rem 1.05rem 1.05rem 1.1rem;
}

#modalPruebaNivelacion .nivelacion-card-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.7rem;
}

#modalPruebaNivelacion .nivelacion-icon {
  width: 2rem;
  height: 2rem;
  border-radius: 0.65rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: #e9f8ff;
  background: linear-gradient(135deg, var(--modal-accent), var(--modal-accent-2));
  box-shadow: 0 10px 18px rgba(0, 129, 177, 0.35);
}

#modalPruebaNivelacion .nivelacion-icon i {
  font-size: 0.95rem;
  line-height: 1;
}

#modalPruebaNivelacion .nivelacion-card-highlight {
  border-left: 4px solid #7fd1ff;
  background: linear-gradient(130deg, rgba(17, 63, 97, 0.9), rgba(11, 40, 68, 0.85));
  border-color: rgba(158, 218, 255, 0.52);
}

#modalPruebaNivelacion .nivelacion-card-steps {
  border-left: 4px solid #4ab7ff;
  border-color: rgba(131, 199, 255, 0.48);
}

#modalPruebaNivelacion .nivelacion-card-open {
  border-left: 4px solid #5fe1bf;
  background: linear-gradient(130deg, rgba(8, 73, 78, 0.75), rgba(8, 42, 63, 0.85));
  border-color: rgba(123, 238, 215, 0.5);
}

#modalPruebaNivelacion .nivelacion-steps {
  list-style: none;
  padding-left: 0;
  margin: 0;
  counter-reset: nivel-step;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

#modalPruebaNivelacion .nivelacion-steps li {
  position: relative;
  margin: 0;
  padding: 0.62rem 0.72rem 0.62rem 2.35rem;
  border-radius: 0.72rem;
  border: 1px solid rgba(165, 214, 255, 0.28);
  background: rgba(255, 255, 255, 0.04);
  color: #d7e8f8;
  line-height: 1.48;
  counter-increment: nivel-step;
}

#modalPruebaNivelacion .nivelacion-steps li::before {
  content: counter(nivel-step);
  position: absolute;
  left: 0.62rem;
  top: 50%;
  transform: translateY(-50%);
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.76rem;
  font-weight: 800;
  color: #05253f;
  background: linear-gradient(135deg, #7ce7ff, #53bdff);
}

#modalPruebaNivelacion .nivelacion-steps a {
  color: #9ce8ff;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.course-modal ul {
  margin-bottom: 0;
  padding-left: 1.25rem;
}

.course-modal ul li {
  margin-bottom: 0.45rem;
  color: #d7e8f8;
}

.course-modal ul li::marker {
  color: var(--modal-accent);
}

.course-modal ul li:last-child {
  margin-bottom: 0;
}

.course-modal .alert {
  margin-bottom: 1rem;
  border: 1px solid rgba(255, 214, 110, 0.48);
  border-left: 4px solid #ffb11c;
  background: linear-gradient(180deg, rgba(255, 190, 59, 0.18), rgba(255, 145, 0, 0.1));
  color: #ffeec9;
}

.course-modal .alert .alert-heading,
.course-modal .alert p {
  color: #ffe7b3;
}

.course-modal .modal-footer {
  padding: 1rem 1.25rem 1.2rem;
  border-top: 1px solid rgba(136, 194, 245, 0.24);
  background: rgba(6, 32, 54, 0.88);
  gap: 0.55rem;
}

.course-modal .modal-footer .btn.btn-primary {
  border: 0;
  background: linear-gradient(135deg, var(--modal-accent), #0098c7);
  color: #04263f;
  font-weight: 700;
}

.course-modal .modal-footer .btn.btn-secondary {
  border-color: rgba(173, 217, 255, 0.5);
  background: transparent;
  color: #d8e9f8;
}

@media (max-width: 767px) {
  .course-modal .modal-dialog {
    margin: 0.75rem auto;
    padding-inline: 0.35rem;
    max-width: 100%;
  }

  .course-modal .modal-body {
    padding: 1rem 0.95rem 1.15rem;
  }

  .course-modal .modal-hero {
    text-align: center;
    padding: 0.9rem;
  }

  .course-modal .modal-hero h3 {
    font-size: 1.24rem;
  }

  .course-modal .nav-tabs .nav-link {
    width: 100%;
    text-align: center;
  }

  .course-modal .modal-footer {
    flex-direction: column;
    align-items: stretch;
  }

  .course-modal .modal-footer .btn {
    width: 100%;
  }
}

/* ============================================
   PROMOCIONES SECTION
   ============================================ */

.promo-card {
  position: relative;
  border-radius: 1.5rem;
  padding: 2rem;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
  overflow: hidden;
  color: white;
  transition: all 0.3s ease;
}

.promo-card:hover {
  transform: scale(1.02);
}

.promo-x3 {
  background: linear-gradient(135deg, #fb8c00, #f57c00);
}

.promo-referidos {
  background: linear-gradient(135deg, #8e24aa, #7b1fa2);
}

.promo-icon {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  font-size: 3rem;
  color: rgba(255, 255, 255, 0.3);
  animation: iconFloat 2s ease-in-out infinite;
}

@keyframes iconFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-10px) rotate(5deg);
  }
}

.promo-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  padding: 0.5rem 1rem;
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.promo-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 0.5rem;
}

.promo-tagline {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: 1rem;
  opacity: 0.9;
}

.promo-description {
  opacity: 0.9;
  margin-bottom: 1.5rem;
}

.promo-description-sm {
  font-size: 0.95rem;
  line-height: 1.45;
}

.promo-stats {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-item {
  flex: 1;
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
}

.promo-steps {
  margin-bottom: 1.5rem;
}

.step-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.promo-steps .step-number {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  position: static;
  box-shadow: none;
}

.promo-divider {
  width: 1px;
  height: 3rem;
  background: rgba(255, 255, 255, 0.3);
}

.step-text {
  font-size: 0.875rem;
}

/* ============================================
   FLUJO DE INSCRIPCION
   ============================================ */

.enrollment-underline {
  width: 80px;
  height: 4px;
  background: linear-gradient(to right, var(--color-cyan), var(--color-violet));
  border-radius: 2px;
  margin-top: 0.5rem;
}

.enrollment-type-card {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  border: 1px solid var(--color-gray-100);
}

.enrollment-type-card:hover {
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  transform: scale(1.02);
}

.enrollment-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.enrollment-icon::before {
  content: none !important;
}

.enrollment-icon i {
  font-size: 2rem;
  color: white !important;
  position: relative;
  z-index: 1;
}

.enrollment-icon.enroll-gradient-cyan-blue {
  background: linear-gradient(135deg, #00bcd4, #2196f3) !important;
}

.enrollment-icon.enroll-gradient-blue-indigo {
  background: linear-gradient(135deg, #2196f3, #3f51b5) !important;
}

.enrollment-icon.enroll-gradient-indigo-violet {
  background: linear-gradient(135deg, #3f51b5, #8e24aa) !important;
}

.enrollment-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 0.25rem;
  line-height: 1.3;
}

.enrollment-description {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.4;
}

.btn-register {
  background: linear-gradient(135deg, var(--color-cyan), #2196f3);
  color: white;
  font-weight: 600;
  padding: 0.75rem 1.5rem;
  border-radius: 0.5rem;
  border: none;
  transition: all 0.3s ease;
  box-shadow: 0 4px 6px -1px rgba(0, 188, 212, 0.3);
  text-decoration: none;
  white-space: nowrap;
  display: inline-block;
}

.btn-register:hover {
  background: linear-gradient(135deg, #00acc1, #1e88e5);
  transform: scale(1.05);
  box-shadow: 0 10px 15px -3px rgba(0, 188, 212, 0.4);
  color: white;
}

/* ============================================
   BENEFICIOS
   ============================================ */

.benefit-icon-wrapper {
  width: 96px;
  height: 96px;
  transition: transform 0.3s ease;
}

.benefit-icon-wrapper:hover {
  transform: scale(1.1) rotate(5deg);
}

.benefit-icon {
  width: 96px;
  height: 96px;
  background: linear-gradient(135deg, #42a5f5, #00bcd4);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 25px -5px rgba(0, 188, 212, 0.3);
}

.benefit-icon i {
  font-size: 3rem;
  color: white;
}

.benefit-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-gray-900);
  margin-bottom: 0.75rem;
  line-height: 1.3;
}

.benefit-description {
  font-size: 0.95rem;
  color: var(--color-gray-600);
  line-height: 1.6;
  margin: 0;
}

/* ============================================
   ABOUT
   ============================================ */

.bg-gradient-about {
  background: linear-gradient(180deg, #ffffff 0%, #f6fbff 100%);
}

.about-logo-card {
  display: inline-flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1rem 1.4rem;
  border-radius: 1rem;
  background: white;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.06);
}

.about-logo-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-cyan), var(--color-violet));
  color: #fff;
  font-size: 1.4rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

.about-logo-text h3 {
  margin: 0;
  font-size: 1.6rem;
  color: var(--color-primary);
  font-weight: 800;
}

.about-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--color-primary);
  font-weight: 800;
}

.about-content p {
  color: var(--color-gray-600);
  line-height: 1.8;
  margin-bottom: 1rem;
}

.about-feature-card {
  height: 100%;
  border-radius: 1rem;
  background: #ffffff;
  border: 1px solid #e8eef5;
  padding: 1.25rem;
  box-shadow: 0 10px 24px rgba(0, 0, 0, 0.05);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.about-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 28px rgba(0, 0, 0, 0.08);
}

.about-feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.75rem;
  color: #fff;
  background: linear-gradient(135deg, #00bcd4, #6b46c1);
}

.about-feature-icon i {
  font-size: 1.4rem;
}

.about-feature-title {
  font-size: 1.08rem;
  margin-bottom: 0.5rem;
  color: var(--color-primary);
  font-weight: 700;
}

.about-feature-description {
  margin: 0;
  color: var(--color-gray-600);
  line-height: 1.5;
}

.about-section-spacing {
  padding-bottom: 6rem;
  margin-bottom: 2rem;
}

@media (max-width: 768px) {
  .about-section-spacing {
    padding-bottom: 4rem;
    margin-bottom: 1rem;
  }
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
  background: var(--color-primary);
  color: white;
  position: relative;
  z-index: 2;
  margin-top: 0.5rem;
}

.footer-brand h3 {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.footer-description {
  color: rgba(103, 232, 249, 0.8);
  margin: 1rem 0;
}

.ucv-footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.ucv-logo {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.875rem;
}

.ucv-text {
  font-size: 0.875rem;
}

.ucv-text small {
  font-size: 0.75rem;
  color: rgba(103, 232, 249, 0.7);
}

.footer-title {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.footer-links {
  list-style: none;
  padding: 0;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(103, 232, 249, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-links a:hover {
  color: #67e8f9;
}

.footer-links a::before {
  content: "";
  width: 6px;
  height: 6px;
  background: var(--color-cyan);
  border-radius: 50%;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.footer-links a:hover::before {
  opacity: 1;
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact-item {
  display: flex;
  gap: 0.75rem;
}

.contact-item i {
  font-size: 1.25rem;
  color: var(--color-cyan);
  flex-shrink: 0;
  margin-top: 0.25rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
}

.contact-info strong {
  font-size: 0.875rem;
  margin-bottom: 0.25rem;
}

.contact-info a {
  color: rgba(103, 232, 249, 0.8);
  text-decoration: none;
  transition: color 0.3s ease;
}

.contact-info a:hover {
  color: #67e8f9;
}

.social-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #67e8f9;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.social-icon:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: scale(1.1);
  color: #67e8f9;
}

.institutional-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  opacity: 0.6;
  transition: opacity 0.3s ease;
}

.institutional-logo:hover {
  opacity: 1;
}

.logo-box {
  width: 32px;
  height: 32px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
}

.logo-divider {
  width: 1px;
  height: 24px;
  background: rgba(255, 255, 255, 0.2);
}

.footer-legal {
  display: flex;
  justify-content: center;
  gap: 1rem;
  font-size: 0.875rem;
}

.footer-legal a {
  color: rgba(103, 232, 249, 0.6);
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-legal a:hover {
  color: #67e8f9;
}

/* ============================================
   UTILITIES
   ============================================ */

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .hero-title {
    font-size: 2.5rem;
  }

  .floating-card {
    padding: 1rem;
    display: none;
  }
}

@media (max-width: 768px) {
  .section-title {
    font-size: 2rem;
  }

  .section-subtitle {
    font-size: 1rem;
  }

  .promo-title {
    font-size: 2rem;
  }

  .enrollment-type-card {
    padding: 1.25rem;
  }

  .enrollment-icon {
    width: 56px;
    height: 56px;
  }

  .enrollment-icon i {
    font-size: 1.75rem;
  }

  .enrollment-title {
    font-size: 1.1rem;
  }

  .enrollment-description {
    font-size: 0.875rem;
  }

  .btn-register {
    width: 100%;
    margin-top: 1rem;
  }

  .enrollment-type-card .d-flex {
    flex-direction: column;
    text-align: center;
  }

  .benefit-icon-wrapper,
  .benefit-icon {
    width: 80px;
    height: 80px;
  }

  .benefit-icon i {
    font-size: 2.5rem;
  }

  .benefit-title {
    font-size: 1.1rem;
  }

  .about-title {
    font-size: 2rem;
  }

  .about-logo-card {
    padding: 0.875rem 1.25rem;
  }

  .about-logo-icon {
    width: 56px;
    height: 56px;
    font-size: 1.25rem;
  }

  .about-logo-text h3 {
    font-size: 1.25rem;
  }
}