/* ===================================
   VARIABLES Y RESET
   =================================== */
:root {
  --rojo-uta: #a50000;
  --rojo-uta-oscuro: #7a0000;
  --rojo-uta-claro: #fbeaea;
  --gris-texto: #333;
  --gris-claro: #f8f9fa;
  --sombra: 0 8px 30px rgba(165, 0, 0, 0.12);
  --sombra-hover: 0 15px 50px rgba(165, 0, 0, 0.25);
  --sombra-intensa: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

html, body {
  margin: 0;
  padding: 0;
  background: linear-gradient(135deg, #fff5f5 0%, #ffe9e9 50%, #ffd8d8 100%);
  background-attachment: fixed;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--gris-texto);
  line-height: 1.7;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 80%, rgba(165, 0, 0, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(165, 0, 0, 0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

/* ===================================
   HEADER
   =================================== */
header {
  background: none;
  padding: 0;
  margin: 0;
  text-align: center;
}

.logo-container {
  width: 100vw;
  margin: 0;
  padding: 0;
}

.logo-container img {
  width: 100vw;
  max-width: 100vw;
  display: block;
  margin: 0;
}

/* ===================================
   MAIN CONTAINER
   =================================== */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 3rem;
  position: relative;
  z-index: 1;
  animation: fadeIn 0.8s ease-out;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===================================
   HERO SECTION
   =================================== */
.hero-section {
  background: 
    linear-gradient(135deg, rgba(165, 0, 0, 0.95) 0%, rgba(122, 0, 0, 0.98) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,133.3C672,117,768,107,864,122.7C960,139,1056,181,1152,181.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 5rem 2rem;
  border-radius: 30px;
  margin: 2rem 0 4rem;
  box-shadow: var(--sombra-intensa);
  text-align: center;
  position: relative;
  overflow: hidden;
  animation: slideDown 0.8s ease-out;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-50px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
  animation: pulse 15s infinite;
}

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

.hero-content {
  max-width: 900px;
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: 3.2rem;
  font-weight: 800;
  margin: 0 0 1.5rem;
  text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.3);
  letter-spacing: -0.5px;
  line-height: 1.2;
  animation: fadeInUp 1s ease-out 0.2s both;
}

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

.hero-subtitle {
  font-size: 1.35rem;
  margin-bottom: 3rem;
  opacity: 0.95;
  font-weight: 400;
  animation: fadeInUp 1s ease-out 0.4s both;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
  padding: 2rem 1.5rem;
  border-radius: 20px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  animation: fadeInUp 1s ease-out 0.6s both;
}

.stat-item:nth-child(2) {
  animation-delay: 0.7s;
}

.stat-item:nth-child(3) {
  animation-delay: 0.8s;
}

.stat-item:hover {
  transform: translateY(-10px) scale(1.05);
  background: rgba(255, 255, 255, 0.15);
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.3);
}

.stat-item i {
  font-size: 2.5rem;
  display: block;
  margin-bottom: 1rem;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 800;
  margin: 0.5rem 0;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.stat-label {
  font-size: 1.05rem;
  opacity: 0.9;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ===================================
   CARDS SECTION (MISIÓN Y VISIÓN)
   =================================== */
.cards-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
  gap: 2.5rem;
  margin: 4rem 0;
}

.card-modern {
  background: white;
  padding: 3rem;
  border-radius: 24px;
  box-shadow: var(--sombra);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border-top: 5px solid var(--rojo-uta);
  position: relative;
  overflow: hidden;
  animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(40px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-modern::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 150px;
  height: 150px;
  background: radial-gradient(circle, var(--rojo-uta-claro) 0%, transparent 70%);
  opacity: 0.4;
  transition: all 0.4s ease;
}

.card-modern:hover {
  transform: translateY(-12px);
  box-shadow: var(--sombra-hover);
  border-top-width: 8px;
}

.card-modern:hover::before {
  transform: scale(1.5);
  opacity: 0.6;
}

.card-icon {
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 2rem;
  font-size: 2.5rem;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
  transition: all 0.4s ease;
  position: relative;
  z-index: 1;
}

.card-modern:hover .card-icon {
  transform: scale(1.15) rotate(5deg);
  box-shadow: 0 12px 35px rgba(0, 0, 0, 0.25);
}

.mission-icon {
  background: linear-gradient(135deg, #ff6b6b 0%, #ee5a6f 100%);
  color: white;
}

.vision-icon {
  background: linear-gradient(135deg, #4ecdc4 0%, #44a08d 100%);
  color: white;
}

.card-modern h2 {
  color: var(--rojo-uta);
  font-size: 2rem;
  margin: 0 0 1.5rem;
  border: none;
  padding: 0;
  text-align: center;
  font-weight: 700;
  letter-spacing: -0.5px;
  position: relative;
  z-index: 1;
}

.card-modern p {
  color: #555;
  font-size: 1.08rem;
  line-height: 1.9;
  text-align: justify;
  position: relative;
  z-index: 1;
}


/* ===================================
   SECTION HEADERS
   =================================== */
.section-header {
  text-align: center;
  margin-bottom: 3.5rem;
  position: relative;
}

.section-header i {
  font-size: 3.5rem;
  color: var(--rojo-uta);
  display: inline-block;
  margin-bottom: 1rem;
  animation: bounce 2s ease-in-out infinite;
  filter: drop-shadow(0 4px 6px rgba(165, 0, 0, 0.2));
}

@keyframes bounce {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.section-header h2 {
  color: var(--rojo-uta);
  font-size: 2.5rem;
  margin: 0;
  padding: 0;
  font-weight: 800;
  letter-spacing: -1px;
  position: relative;
  display: inline-block;
}

.section-header h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background: linear-gradient(90deg, transparent, var(--rojo-uta), transparent);
  border-radius: 2px;
}

/* ===================================
   HISTORY SECTION (TIMELINE)
   =================================== */
.history-section {
  background: linear-gradient(135deg, white 0%, #fffafa 100%);
  padding: 4rem 3rem;
  border-radius: 28px;
  box-shadow: var(--sombra);
  margin: 4rem 0;
  position: relative;
  border: 1px solid rgba(165, 0, 0, 0.1);
  animation: slideUp 0.8s ease-out;
}

.history-section::before {
  content: '';
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--rojo-uta-claro), transparent);
}

.timeline {
  position: relative;
  padding-left: 4rem;
  margin: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(to bottom, var(--rojo-uta), var(--rojo-uta-claro));
  border-radius: 2px;
}

.timeline-item {
  position: relative;
  margin-bottom: 3rem;
  padding-left: 1rem;
  transition: all 0.3s ease;
}

.timeline-item:hover {
  transform: translateX(10px);
}

.timeline-marker {
  position: absolute;
  left: -3.7rem;
  top: 5px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--rojo-uta);
  border: 4px solid white;
  box-shadow: 0 0 0 4px var(--rojo-uta-claro), 0 4px 12px rgba(165, 0, 0, 0.3);
  transition: all 0.3s ease;
  z-index: 2;
}

.timeline-item:hover .timeline-marker {
  transform: scale(1.3);
  box-shadow: 0 0 0 6px var(--rojo-uta-claro), 0 6px 20px rgba(165, 0, 0, 0.5);
}

.timeline-item h3 {
  color: var(--rojo-uta);
  font-size: 1.4rem;
  margin: 0 0 0.8rem;
  font-weight: 700;
}

.timeline-item p {
  color: #666;
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

.citation {
  margin-top: 3rem;
  padding: 1.8rem 2rem;
  background: linear-gradient(135deg, var(--rojo-uta-claro) 0%, #fff5f5 100%);
  border-left: 5px solid var(--rojo-uta);
  border-radius: 15px;
  font-style: italic;
  color: var(--rojo-uta-oscuro);
  box-shadow: 0 4px 15px rgba(165, 0, 0, 0.1);
  position: relative;
  overflow: hidden;
}

.citation::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 10px;
  font-size: 6rem;
  color: var(--rojo-uta);
  opacity: 0.1;
  font-family: Georgia, serif;
}

.citation i {
  margin-right: 0.8rem;
  font-size: 1.4rem;
  color: var(--rojo-uta);
}

.citation p {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.8;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* ===================================
   OBJECTIVES SECTION
   =================================== */
.objectives-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2.5rem;
  margin: 3rem 0;
}

.objective-card {
  background: linear-gradient(135deg, white 0%, #fffafa 100%);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: var(--sombra);
  text-align: center;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  border: 2px solid transparent;
  position: relative;
  overflow: hidden;
}

.objective-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--rojo-uta), var(--rojo-uta-oscuro));
  transform: scaleX(0);
  transition: transform 0.4s ease;
}

.objective-card:hover::before {
  transform: scaleX(1);
}

.objective-card:hover {
  transform: translateY(-10px) scale(1.02);
  box-shadow: var(--sombra-hover);
  border-color: var(--rojo-uta-claro);
}

.objective-icon {
  width: 75px;
  height: 75px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--rojo-uta-claro) 0%, #fff0f0 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--rojo-uta);
  transition: all 0.4s ease;
  box-shadow: 0 4px 15px rgba(165, 0, 0, 0.15);
}

.objective-card:hover .objective-icon {
  transform: rotate(360deg) scale(1.1);
  background: linear-gradient(135deg, var(--rojo-uta) 0%, var(--rojo-uta-oscuro) 100%);
  color: white;
}

.objective-card h3 {
  color: var(--rojo-uta);
  font-size: 1.4rem;
  margin: 0 0 1rem;
  font-weight: 700;
}

.objective-card p {
  color: #666;
  font-size: 1.05rem;
  line-height: 1.8;
  margin: 0;
}

/* ===================================
   HIMNO SECTION
   =================================== */
.himno-section {
  background: linear-gradient(135deg, white 0%, #fffafa 100%);
  padding: 4rem 3rem;
  border-radius: 28px;
  box-shadow: var(--sombra);
  margin: 4rem 0;
  border: 1px solid rgba(165, 0, 0, 0.1);
  animation: slideUp 0.8s ease-out;
}

.himno-content {
  max-width: 850px;
  margin: 0 auto;
}

.himno-part {
  background: 
    linear-gradient(135deg, rgba(165, 0, 0, 0.95) 0%, rgba(122, 0, 0, 0.98) 100%),
    url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1440 320"><path fill="rgba(255,255,255,0.05)" d="M0,96L48,112C96,128,192,160,288,165.3C384,171,480,149,576,133.3C672,117,768,107,864,122.7C960,139,1056,181,1152,181.3C1248,181,1344,139,1392,117.3L1440,96L1440,320L1392,320C1344,320,1248,320,1152,320C1056,320,960,320,864,320C768,320,672,320,576,320C480,320,384,320,288,320C192,320,96,320,48,320L0,320Z"></path></svg>');
  background-size: cover;
  color: white;
  padding: 3rem;
  border-radius: 20px;
  margin-bottom: 2.5rem;
  text-align: center;
  box-shadow: var(--sombra-intensa);
  position: relative;
  overflow: hidden;
}

.himno-part::before {
  content: '♪';
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 4rem;
  opacity: 0.1;
  animation: float 3s ease-in-out infinite;
}

.himno-part::after {
  content: '♫';
  position: absolute;
  bottom: 20px;
  right: 20px;
  font-size: 4rem;
  opacity: 0.1;
  animation: float 3s ease-in-out infinite 1.5s;
}

.himno-part h3 {
  color: white;
  font-size: 1.8rem;
  margin: 0 0 1.5rem;
  font-weight: 700;
}

.himno-part h3 i {
  margin-right: 0.8rem;
}

.himno-text {
  font-size: 1.2rem;
  line-height: 2;
  font-style: italic;
  margin: 0;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
}

.himno-stanzas {
  display: grid;
  gap: 2rem;
  margin-top: 2rem;
}

.stanza {
  padding: 2rem;
  background: linear-gradient(135deg, var(--gris-claro) 0%, white 100%);
  border-radius: 16px;
  border-left: 5px solid var(--rojo-uta);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.06);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.stanza::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--rojo-uta-oscuro);
  transition: height 0.3s ease;
}

.stanza:hover {
  transform: translateX(5px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
  border-left-width: 6px;
}

.stanza:hover::before {
  height: 100%;
}

.stanza h4 {
  color: var(--rojo-uta);
  font-size: 1.4rem;
  margin: 0 0 1rem;
  font-weight: 700;
}

.stanza p {
  color: #555;
  margin: 0;
  line-height: 1.9;
  font-size: 1.05rem;
}

/* ===================================
   FOOTER
   =================================== */
footer {
  background: linear-gradient(135deg, var(--rojo-uta) 0%, var(--rojo-uta-oscuro) 100%);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
  font-size: 1.05rem;
  box-shadow: 0 -4px 20px rgba(165, 0, 0, 0.2);
  position: relative;
  overflow: hidden;
}

footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, white, transparent);
  opacity: 0.3;
}

footer p {
  margin: 0;
  color: white;
  font-weight: 400;
  letter-spacing: 0.5px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .cards-section {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-marker {
    left: -2.4rem;
  }

  .objectives-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .hero-stats {
    gap: 1.5rem;
  }

  .stat-number {
    font-size: 2rem;
  }

  .cards-section {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 2rem;
  }

  .timeline-marker {
    left: -2.4rem;
  }

  .objectives-grid {
    grid-template-columns: 1fr;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }
}