/* ===== GITHUB PAGES CSS ===== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Red-based color palette */
  --primary-red: #D32F2F;
  --primary-red-dark: #B71C1C;
  --primary-red-light: #EF5350;
  --primary-red-soft: #FFCDD2;
  
  /* Neutral colors */
  --dark: #212121;
  --dark-light: #424242;
  --light: #FFFFFF;
  --light-gray: #F5F5F5;
  --medium-gray: #E0E0E0;
  --border-gray: #BDBDBD;
  
  /* Background gradients */
  --bg-gradient: linear-gradient(135deg, #FFF5F5 0%, #FFFFFF 100%);
  --red-gradient: linear-gradient(135deg, #D32F2F 0%, #B71C1C 100%);
  --red-gradient-hover: linear-gradient(135deg, #EF5350 0%, #D32F2F 100%);
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(211, 47, 47, 0.08);
  --shadow-md: 0 4px 20px rgba(211, 47, 47, 0.12);
  --shadow-lg: 0 8px 40px rgba(211, 47, 47, 0.15);
  
  /* Border radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 40px;
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-medium: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Include pseudo elements for box-sizing */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* ===== BASE STYLES ===== */
body {
  font-family: 'Poppins', sans-serif;
  font-weight: 400;
  color: var(--dark);
  background: var(--bg-gradient);
  line-height: 1.6;
  scroll-behavior: smooth;
  overflow-x: hidden;
  min-height: 100vh;
}

/* Poppins weight classes */
.poppins-light { font-weight: 300; }
.poppins-regular { font-weight: 400; }
.poppins-medium { font-weight: 500; }
.poppins-semibold { font-weight: 600; }
.poppins-bold { font-weight: 700; }
.poppins-extrabold { font-weight: 800; }


/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', sans-serif;
  font-weight: 700;
  color: var(--dark);
  line-height: 1.3;
  margin-bottom: 1.5rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  background: var(--red-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

h2 {
  font-size: clamp(2rem, 4vw, 2.5rem);
  font-weight: 700;
  position: relative;
  display: inline-block;
  margin-bottom: 2.5rem;
}

h2::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--red-gradient);
  border-radius: 2px;
}

h3 {
  font-size: clamp(1.5rem, 3vw, 1.8rem);
  font-weight: 600;
  color: var(--primary-red-dark);
}

p {
  font-size: 1.1rem;
  color: var(--dark-light);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

/* ===== FIX FOR IMAGES/SVG - NO OVERFLOW ===== */
img, svg, picture, video {
  max-width: 100%;
  height: auto;
  display: block;
}



/* Force ALL images to stay inside containers */
img[style*="width"],
svg[style*="width"] {
  max-width: 100% !important;
  width: auto !important;
  height: auto !important;
}

/* Specific fix for sections */
.section img,
.section svg,
.section.light img,
.section.light svg {
  width: 100% !important;
  max-height: 400px !important;
  object-fit: contain !important;
  border-radius: var(--radius-md);
  border: 2px solid var(--primary-red);
  margin: 20px auto;
  padding: 10px;
  background: var(--light);
  box-shadow: var(--shadow-md);
}

/* ===== NAVIGATION WITH CUSTOM LOGO ===== */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.2rem 5%;
  background: var(--light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  border-bottom: 2px solid var(--primary-red-soft);
}

/* ===== BIGGER HEADER & LOGO ===== */
.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%; /* Increased from 1.2rem */
  background: var(--light);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  border-bottom: 3px solid var(--primary-red-soft); /* Thicker border */
  min-height: 80px; /* Fixed minimum height */
}

/* Make the logo bigger and more prominent */
.nav .logo {
  display: flex;
  align-items: center;
  gap: 15px; /* Increased from 12px */
  text-decoration: none;
  transition: var(--transition-medium);
}

.nav .logo:hover {
  transform: scale(1.02);
}

.nav .logo-img {
  height: 60px !important; /* Bigger! Was 40px */
  width: auto;
  display: block;
  object-fit: contain;
}

.nav .logo-text {
  font-size: 2.2rem !important; /* Bigger! Was 1.8rem */
  font-weight: 800;
  color: var(--primary-red);
  white-space: nowrap;
  letter-spacing: -0.5px;
}

/* Make language selector and button larger too */
.language-selector {
  display: flex;
  gap: 0.8rem;
  background: var(--light-gray);
  padding: 0.5rem; /* Slightly more padding */
  border-radius: var(--radius-md);
}

.language-selector .lang {
  padding: 0.5rem 1.2rem; /* Larger padding */
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--dark-light);
  font-weight: 500;
  font-size: 1rem; /* Larger font */
  transition: var(--transition-fast);
}

.nav .nav-btn {
  padding: 0.9rem 2.2rem; /* Larger padding */
  background: var(--red-gradient);
  color: var(--light);
  border: none;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 1.1rem; /* Larger font */
  text-decoration: none;
  transition: var(--transition-medium);
  white-space: nowrap;
}

/* Adjust for mobile */
@media (max-width: 768px) {
  .nav {
    min-height: 70px;
    padding: 1rem;
  }
  
  .nav .logo-img {
    height: 50px !important;
  }
  
  .nav .logo-text {
    font-size: 1.8rem !important;
  }
  
  .language-selector .lang {
    padding: 0.4rem 1rem;
    font-size: 0.9rem;
  }
  
  .nav .nav-btn {
    padding: 0.7rem 1.8rem;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .nav .logo-img {
    height: 40px !important;
  }
  
  .nav .logo-text {
    font-size: 1.5rem !important;
  }
  
  .nav .logo {
    gap: 8px;
  }
}

/* Custom logo from /assets/ITER.png */
.nav .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav .logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav .logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--primary-red);
  white-space: nowrap;
}

.nav-right {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Language Selector */
.language-selector {
  display: flex;
  gap: 0.8rem;
  background: var(--light-gray);
  padding: 0.4rem;
  border-radius: var(--radius-md);
}

.language-selector .lang {
  padding: 0.4rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--dark-light);
  font-weight: 500;
  font-size: 0.9rem;
  transition: var(--transition-fast);
}

.language-selector .lang:hover {
  background: var(--medium-gray);
}

.language-selector .active {
  background: var(--primary-red);
  color: var(--light);
  font-weight: 600;
}

/* Contact Button */
.nav .nav-btn {
  padding: 0.7rem 1.8rem;
  background: var(--red-gradient);
  color: var(--light);
  border: none;
  border-radius: var(--radius-xl);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: var(--transition-medium);
  white-space: nowrap;
}

.nav .nav-btn:hover {
  background: var(--red-gradient-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== HERO SECTION ===== */
.hero {
  padding: 8rem 5% 6rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 100%;
  background: linear-gradient(135deg, rgba(211, 47, 47, 0.05) 0%, transparent 50%);
  z-index: -1;
}

.hero h1 {
  margin-bottom: 1.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.hero p {
  font-size: 1.2rem;
  max-width: 700px;
  margin: 0 auto 3rem;
  color: var(--dark-light);
  font-weight: 400;
}

/* ===== SECTIONS ===== */
.section {
  padding: 6rem 5%;
  position: relative;
}

.section.light {
  background: var(--light);
  border-radius: var(--radius-lg);
  margin: 2rem auto;
  max-width: 1200px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--primary-red-soft);
}

/* ===== CARDS ===== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.card {
  background: var(--light);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  border: 2px solid var(--medium-gray);
  transition: var(--transition-medium);
  position: relative;
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--red-gradient);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

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

.card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-red);
  box-shadow: var(--shadow-md);
}

/* ===== FORMS ===== */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  max-width: 600px;
  margin: 3rem auto 0;
}

.form-group {
  position: relative;
  margin-bottom: 0.5rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1.2rem;
  border: 2px solid var(--border-gray);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  font-weight: 400;
  color: var(--dark);
  background: var(--light);
  transition: var(--transition-fast);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

.contact-form button {
  padding: 1.2rem 3rem;
  background: var(--red-gradient);
  color: var(--light);
  border: none;
  border-radius: var(--radius-xl);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-medium);
  align-self: flex-start;
  margin-top: 1rem;
}

.contact-form button:hover {
  background: var(--red-gradient-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ===== FOOTER ===== */
.footer {
  background: var(--dark);
  color: var(--light);
  padding: 4rem 5% 2rem;
  margin-top: 4rem;
}

.footer-content {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--light);
  margin-bottom: 1rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .nav {
    flex-wrap: wrap;
    gap: 1rem;
    padding: 1rem;
  }
  
  .nav-right {
    order: 3;
    width: 100%;
    justify-content: space-between;
    gap: 1rem;
  }
  
  .hero {
    padding: 5rem 5% 4rem;
  }
  
  .hero h1 {
    font-size: 2.2rem;
  }
  
  .section {
    padding: 4rem 5%;
  }
  
  .cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .section.light {
    margin: 1rem;
  }
}

@media (max-width: 480px) {
  .nav .logo-text {
    font-size: 1.5rem;
  }
  
  .nav .logo-img {
    height: 32px;
  }
  
  .language-selector {
    gap: 0.4rem;
  }
  
  .language-selector .lang {
    padding: 0.3rem 0.8rem;
    font-size: 0.85rem;
  }
  
  .nav .nav-btn {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
  }
}


/* Logo styles - add to your existing CSS */
.nav .logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.nav .logo-img {
  height: 40px;
  width: auto;
  display: block;
}

.nav .logo-text {
  font-size: 1.8rem;
  font-weight: 800;
  color: #D32F2F;
  white-space: nowrap;
}

/* Make the logo responsive on mobile */
@media (max-width: 768px) {
  .nav .logo-text {
    font-size: 1.5rem;
  }
  
  .nav .logo-img {
    height: 32px;
  }
}

/* ===== UTILITY CLASSES ===== */
.text-center { text-align: center; }
.text-red { color: var(--primary-red); }
.mt-2 { margin-top: 2rem; }
.mb-2 { margin-bottom: 2rem; }


/* ===== ESTILOS ADICIONALES PARA NUEVAS SECCIONES ===== */

/* Menú principal */
.main-menu {
  display: flex;
  gap: 2rem;
  margin-right: 2rem;
}

.menu-link {
  text-decoration: none;
  color: var(--dark-light);
  font-weight: 500;
  font-size: 1rem;
  transition: var(--transition-fast);
  padding: 0.5rem 0;
  position: relative;
}

.menu-link:hover {
  color: var(--primary-red);
}

.menu-link.active {
  color: var(--primary-red);
  font-weight: 600;
}

.menu-link.active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--red-gradient);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 2rem;
}

/* Botón CTA */
.cta-button {
  display: inline-block;
  padding: 1.2rem 2.5rem;
  background: var(--red-gradient);
  color: var(--light);
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: var(--transition-medium);
  margin-top: 2rem;
  box-shadow: var(--shadow-md);
}

.cta-button:hover {
  background: var(--red-gradient-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* Encabezado de sección */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-link {
  display: inline-block;
  color: var(--primary-red);
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: var(--transition-fast);
}

.section-link:hover {
  color: var(--primary-red-dark);
  transform: translateX(5px);
}

/* Iconos en tarjetas */
.flag-icon {
  font-size: 2rem;
  margin-bottom: 1rem;
}

.card-link {
  display: inline-block;
  color: var(--primary-red);
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* Estadísticas */
.stats-container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
  text-align: center;
}

.stat h3 {
  font-size: 2.5rem;
  color: var(--primary-red);
  margin-bottom: 0.5rem;
}

.stat p {
  color: var(--dark-light);
  font-size: 0.9rem;
}

/* Grid de universidades */
.university-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}

.university-card {
  background: var(--light-gray);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-red);
}

.university-card h4 {
  color: var(--primary-red-dark);
  margin-bottom: 0.5rem;
}

/* Tarjetas de blog */
.blog-card {
  position: relative;
}

.blog-category {
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--primary-red);
  color: var(--light);
  padding: 0.3rem 0.8rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 600;
}

.read-more {
  display: inline-block;
  color: var(--primary-red);
  text-decoration: none;
  font-weight: 500;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* Redes sociales */
.social-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.social-card {
  background: var(--light);
  padding: 2rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--dark);
  transition: var(--transition-medium);
  text-align: center;
  border: 2px solid var(--medium-gray);
}

.social-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-red);
  box-shadow: var(--shadow-md);
}

.social-card i {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.social-card.tiktok i { color: #000000; }
.social-card.instagram i { color: #E4405F; }
.social-card.linkedin i { color: #0A66C2; }
.social-card.youtube i { color: #FF0000; }

.social-handle {
  display: block;
  color: var(--primary-red);
  font-weight: 600;
  margin-top: 0.5rem;
  font-size: 0.9rem;
}

/* Opciones de contacto */
.contact-options {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 3rem;
}

.contact-method {
  background: var(--light);
  padding: 2rem;
  border-radius: var(--radius-lg);
  text-align: center;
  border: 2px solid var(--medium-gray);
}

.contact-method i {
  font-size: 3rem;
  color: var(--primary-red);
  margin-bottom: 1rem;
}

.whatsapp-contact {
  border-color: #25D366;
}

.whatsapp-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: #25D366;
  color: white;
  padding: 1rem 2rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  transition: var(--transition-medium);
}

.whatsapp-btn:hover {
  background: #128C7E;
  transform: translateY(-2px);
}

.contact-note {
  font-size: 0.8rem;
  color: var(--dark-light);
  margin-top: 0.5rem;
}

/* Formulario mejorado */
.contact-form select {
  width: 100%;
  padding: 1.2rem;
  border: 2px solid var(--border-gray);
  border-radius: var(--radius-md);
  font-family: 'Poppins', sans-serif;
  font-size: 1rem;
  color: var(--dark);
  background: var(--light);
  transition: var(--transition-fast);
}

.contact-form select:focus {
  outline: none;
  border-color: var(--primary-red);
  box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.1);
}

/* Footer mejorado */
.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 3rem;
  max-width: 1200px;
  margin: 0 auto;
}

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

.footer-section h4 {
  color: var(--light);
  margin-bottom: 0.5rem;
}

.footer-section a {
  color: var(--medium-gray);
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: var(--primary-red-light);
}

.footer-logo {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--light);
  margin-bottom: 0.5rem;
}

.footer-social {
  display: flex;
  gap: 1rem;
  margin-top: 1rem;
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-size: 1.2rem;
  transition: var(--transition-fast);
}

.footer-social a:hover {
  background: var(--primary-red);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  margin-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--medium-gray);
}

/* Responsive */
@media (max-width: 768px) {
  .main-menu {
    display: none; /* Para móviles, podrías añadir un menú hamburguesa */
  }
  
  .nav-right {
    flex-direction: column;
    gap: 1rem;
  }
  
  .nav-actions {
    width: 100%;
    justify-content: space-between;
  }
  
  .stats-container {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .social-grid {
    grid-template-columns: 1fr;
  }
  
  .contact-options {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    text-align: center;
  }
}

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

.fade-in {
  animation: fadeInUp 0.6s ease-out forwards;
  opacity: 0;
}

.fade-in-visible {
  opacity: 1;
}


/* ===== CORRECCIONES Y MEJORAS ===== */

/* 1. FIX: Botón contacto no superpuesto */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav .nav-btn {
  margin-left: 0;
  white-space: nowrap;
}

/* 2. Botones atractivos (reemplazan enlaces azules) */
.service-btn {
  display: inline-block;
  background: var(--primary-red);
  color: white;
  padding: 0.6rem 1.2rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 1rem;
  transition: var(--transition-medium);
  border: 2px solid transparent;
}

.service-btn:hover {
  background: white;
  color: var(--primary-red);
  border-color: var(--primary-red);
  transform: translateY(-2px);
}

.destinos-btn, .blog-btn {
  display: inline-block;
  background: transparent;
  color: var(--primary-red);
  padding: 0.8rem 1.5rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  margin-top: 1rem;
  border: 2px solid var(--primary-red);
  transition: var(--transition-medium);
}

.destinos-btn:hover, .blog-btn:hover {
  background: var(--primary-red);
  color: white;
  transform: translateY(-2px);
}

.blog-link-btn {
  display: inline-block;
  background: var(--light-gray);
  color: var(--dark);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  margin-top: 1rem;
  transition: var(--transition-medium);
}

.blog-link-btn:hover {
  background: var(--primary-red);
  color: white;
}

/* 3. Grid de ciudades holandesas */
.cities-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.city-card {
  background: white;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary-red);
  transition: var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.city-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.city-name {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--primary-red);
  margin-bottom: 0.5rem;
}

.city-card p {
  font-size: 0.9rem;
  color: var(--dark-light);
  margin-bottom: 0;
}

/* 4. Aviso de no asociación */
.disclaimer-box {
  background: #FFF5F5;
  border-left: 4px solid var(--primary-red);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  margin-top: 2rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.disclaimer-box i {
  color: var(--primary-red);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.disclaimer-box p {
  margin-bottom: 0;
  color: var(--dark);
}

/* 5. Botones de redes sociales */
.social-buttons {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-top: 2rem;
  flex-wrap: wrap;
}

.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  padding: 1rem 1.8rem;
  border-radius: var(--radius-xl);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition-medium);
  box-shadow: var(--shadow-sm);
}

.tiktok-btn {
  background: black;
  color: white;
}

.instagram-btn {
  background: linear-gradient(45deg, #405DE6, #5851DB, #833AB4, #C13584, #E1306C, #FD1D1D);
  color: white;
}

.whatsapp-btn {
  background: #25D366;
  color: white;
}

.social-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

/* 6. Botones de contacto mejorados */
.contact-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0 3rem;
}

.contact-method-btn {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--dark);
  background: white;
  border: 2px solid var(--medium-gray);
  transition: var(--transition-medium);
  cursor: pointer;
}

.contact-method-btn:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-red);
}

.whatsapp-contact-btn:hover {
  border-color: #25D366;
}

.contact-method-btn i {
  font-size: 2rem;
  color: var(--primary-red);
}

.whatsapp-contact-btn i {
  color: #25D366;
}

.contact-method-btn h3 {
  margin-bottom: 0.3rem;
  color: var(--dark);
}

.contact-method-btn p {
  margin-bottom: 0.3rem;
  font-size: 0.9rem;
  color: var(--dark-light);
}

.btn-subtext {
  font-size: 0.8rem;
  color: var(--primary-red);
  font-weight: 500;
}

/* 7. Checkbox privacidad */
.privacy-checkbox {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 1rem 0;
}

.privacy-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--primary-red);
}

.privacy-checkbox label {
  font-size: 0.9rem;
  color: var(--dark-light);
}

.privacy-checkbox a {
  color: var(--primary-red);
  text-decoration: none;
}

.privacy-checkbox a:hover {
  text-decoration: underline;
}

.submit-btn {
  width: 100%;
  padding: 1.2rem;
  background: var(--red-gradient);
  color: white;
  border: none;
  border-radius: var(--radius-xl);
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-medium);
}

.submit-btn:hover {
  background: var(--red-gradient-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* 8. Leyenda infografía */
.infografia-legend {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-top: 1.5rem;
  flex-wrap: wrap;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--dark-light);
}

.legend-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  display: inline-block;
}

.legend-dot.research {
  background: #D32F2F;
}

.legend-dot.applied {
  background: #EF5350;
}

.legend-dot.institute {
  background: #FFCDD2;
}

/* 9. Footer legal */
.footer-section h4 {
  margin-bottom: 1rem;
  color: white;
}

.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
  text-decoration: none;
  transition: var(--transition-fast);
}

.footer-section a:hover {
  color: white;
}

.footer-disclaimer {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.6);
  margin-top: 0.5rem;
  font-style: italic;
}

/* 10. Responsive fixes */
@media (max-width: 768px) {
  .nav-right {
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1rem;
  }
  
  .nav-actions {
    order: 2;
    width: 100%;
    justify-content: center;
  }
  
  .nav .nav-btn {
    order: 3;
  }
  
  .cities-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .social-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .social-btn {
    width: 100%;
    max-width: 250px;
    justify-content: center;
  }
  
  .contact-buttons {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .cities-grid {
    grid-template-columns: 1fr;
  }
  
  .main-menu {
    display: none;
  }
  
  .nav .logo-text {
    font-size: 1.5rem;
  }
}