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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  line-height: 1.6;
}

/* ====== NAVBAR ====== */
.navbar {
  background: #fff;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
}

.nav-container {
  max-width: 1200px;
  margin: auto;
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #2563eb; /* Azul */
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.nav-links a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav-links a:hover {
  color: #2563eb;
}

.btn-login {
  background: #2563eb;
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background 0.3s ease;
}

.btn-login:hover {
  background: #1e40af;
}

/* ====== HERO (SLIDER) ====== */
.hero {
  height: 100vh;
  position: relative;
  overflow: hidden;
  margin-top: 70px; /* espacio por el navbar */
}

.hero-slider {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
}

.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.slide.active {
  opacity: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.4);
  padding: 2rem;
  border-radius: 12px;
  max-width: 700px;
  margin: auto;
}

/* Flechas del slider */
.arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.5);
  color: #fff;
  border: none;
  font-size: 2rem;
  padding: 0.5rem 1rem;
  cursor: pointer;
  z-index: 3;
  border-radius: 50%;
  transition: background 0.3s ease;
}

.arrow:hover {
  background: rgba(0,0,0,0.8);
}

.arrow.left {
  left: 20px;
}

.arrow.right {
  right: 20px;
}

/* Puntos del slider */
.dots {
  position: absolute;
  bottom: 20px;
  width: 100%;
  text-align: center;
  z-index: 3;
}

.dot {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin: 0 5px;
  background: rgba(255,255,255,0.6);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.3s ease;
}

.dot.active {
  background: #2563eb;
}


/* ====== HERO ====== */
.hero {
  height: 100vh;
  background: url("https://picsum.photos/1600/900?travel") no-repeat center center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  position: relative;
  margin-top: 70px; /* para no tapar el navbar */
}

.hero::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.5);
}

.hero-content {
  position: relative;
  color: #fff;
  max-width: 700px;
}

.hero h2 {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.hero p {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary, .btn-secondary {
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
}

.btn-primary {
  background: #2563eb;
  color: #fff;
}

.btn-primary:hover {
  background: #1e40af;
}

.btn-secondary {
  background: #fff;
  color: #2563eb;
}

.btn-secondary:hover {
  background: #e5e7eb;
}

/* ====== SECCIONES ====== */
.section {
  padding: 4rem 1rem;
  max-width: 1200px;
  margin: auto;
}

.section-title {
  text-align: center;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 2rem;
  color: #111;
}

.bg-light {
  background: #f9fafb;
}

/* ====== CARDS ====== */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.card {
  background: #fff;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 8px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0,0,0,0.15);
}

.card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.card-content {
  padding: 1rem;
}

.card-content h4 {
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
  color: #111;
}

.card-content p {
  margin-bottom: 0.5rem;
  color: #555;
}

.card-content a {
  text-decoration: none;
  color: #2563eb;
  font-weight: bold;
  transition: color 0.3s ease;
}

.card-content a:hover {
  color: #1e40af;
}

/* ====== FOOTER ====== */
.footer {
  background: #2563eb;
  color: #fff;
  text-align: center;
  padding: 1rem;
  margin-top: 3rem;
}

/* ===== estilos para el modal ===== */
.modal {
  display: none; /* Oculto por defecto */
  position: fixed; /* Permanece en su lugar */
  z-index: 1000; /* Asegura que esté por encima de todo */
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  overflow: auto; /* Habilita el desplazamiento si es necesario */
  background-color: rgba(0,0,0,0.6); /* Fondo semi-transparente */
  animation: fadeIn 0.5s;
}

.modal-content {
  background-color: #fefefe;
  margin: 10% auto; /* 10% arriba y centrado */
  padding: 30px;
  border-radius: 10px;
  width: 80%;
  max-width: 500px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
  position: relative;
  text-align: center;
}

.modal-content p {
  font-size: 1.2rem;
  font-weight: bold;
  color: #333;
}

.close {
  color: #aaa;
  position: absolute;
  top: 10px;
  right: 20px;
  font-size: 30px;
  font-weight: bold;
  cursor: pointer;
  transition: color 0.3s ease;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
}

/* Animación de entrada */
@keyframes fadeIn {
  from {opacity: 0;}
  to {opacity: 1;}
}