/* ============================
   RESET BÁSICO
   ============================ */

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
  color: #0f172a;
  background: #e5e7f0;
  -webkit-font-smoothing: antialiased;
}

/* ============================
   LINKS Y BOTONES
   ============================ */

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: none;
}

.btn-primary,
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 16px;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

.btn-primary {
  background: #16a34a;
  color: #ffffff;
  box-shadow: 0 18px 40px rgba(22, 163, 74, 0.4);
}

.btn-primary:hover {
  filter: brightness(1.05);
}

.btn-ghost {
  border: 2px solid #020617;
  color: #020617;
  background: transparent;
}

.btn-ghost:hover {
  background: #020617;
  color: #ffffff;
}

/* ============================
   CABECERA / NAV ESCRITORIO
   ============================ */

.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0 20px;
}

.nav-shell {
  max-width: 1120px;
  margin: 0 auto;
  background: #f5f7ff;
  border-radius: 999px;
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.25);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-shell .brand {
  font-weight: 700;
  font-size: 20px;
  color: #020617;
}

.nav {
  display: flex;
  align-items: center;
  gap: 20px;
  flex: 1;
}

.nav a {
  font-size: 14px;
  color: #020617;
  opacity: 0.8;
}

.nav a:hover {
  opacity: 1;
}

.nav-cta {
  background: #020617;
  color: #ffffff;
  border-radius: 999px;
  padding: 10px 26px;
  font-size: 14px;
  font-weight: 600;
}

/* ============================
   HERO CON VÍDEO
   ============================ */

.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: #ffffff;
  padding: 170px 20px 80px;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -2;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15, 23, 42, 0.75),
    rgba(15, 23, 42, 0.9)
  );
  z-index: -1;
}

.hero-content {
  max-width: 720px;
}

.kicker {
  letter-spacing: 0.16em;
  font-size: 12px;
  text-transform: uppercase;
  opacity: 0.85;
  margin-bottom: 12px;
}

.hero h1 {
  margin: 0 0 16px;
  font-size: 46px;
  line-height: 1.1;
}

.hero-subtitle {
  font-size: 18px;
  line-height: 1.5;
  margin-bottom: 28px;
}

/* ============================
   SECCIONES HOME (PROGRAMAS, DESTINOS, SOBRE...)
   ============================ */

main {
  margin-top: 0;
}

.section {
  padding: 60px 20px;
}

.section-alt {
  /* fondo diferente muy suave */
}

.section-inner {
  max-width: 1000px;
  margin: 0 auto;
  background: #f9fafb;
  border-radius: 32px;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
  padding: 40px 32px 44px;
}

.section h2 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 28px;
}

.section-lead {
  font-size: 16px;
  line-height: 1.6;
  max-width: 640px;
  margin-bottom: 24px;
}

/* ============================
   FORMULARIO CONTACTO
   ============================ */

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 560px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row label {
  font-size: 14px;
  font-weight: 500;
}

.form-row input,
.form-row textarea {
  border-radius: 14px;
  border: 1px solid #cbd5e1;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
}

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

.site-footer {
  padding: 30px 20px 40px;
}

.site-footer .section-inner {
  background: transparent;
  box-shadow: none;
  text-align: center;
  padding: 0;
  color: #64748b;
  font-size: 13px;
}

/* ============================
   MENÚ MÓVIL (HAMBURGUESA)
   ============================ */

/* Por defecto, ocultamos cabecera móvil y menú */
.mobile-header {
  display: none;
}

.mobile-menu {
  display: none;
}

/* VERSIÓN MÓVIL / TABLET PEQUEÑA */
@media (max-width: 768px) {
  /* Ocultar cabecera escritorio */
  .desktop-header {
    display: none;
  }

  /* Mostrar cabecera móvil */
  .mobile-header {
    display: block;
    position: fixed;
    top: 16px;
    left: 0;
    right: 0;
    padding: 0 20px;
    z-index: 1000;
  }

  .mobile-header-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #f5f7ff;
    border-radius: 999px;
    padding: 10px 18px;
    box-shadow: 0 12px 30px rgba(15, 23, 42, 0.25);
  }

  .mobile-header .brand {
    font-weight: 700;
    font-size: 20px;
    color: #020617;
  }

  /* Botón hamburguesa redondo */
 /* Botón hamburguesa (móvil) */
.mobile-menu-toggle {
  width: 44px;
  height: 44px;
  border-radius: 999px;
  border: none;
  background: #050b1b;           /* círculo oscuro */
  display: flex;
  flex-direction: column;        /* las rayas una debajo de otra */
  justify-content: center;
  align-items: center;
  gap: 4px;                      /* separación entre rayas */
  cursor: pointer;
}

.mobile-menu-toggle span {
  width: 18px;
  height: 2px;
  background: #ffffff;           /* rayas blancas */
  border-radius: 999px;
  display: block;
}
{
    display: block;
    width: 18px;
    height: 2px;
    background: #ffffff;
    border-radius: 999px;
    margin: 2px 0;
    transition: transform 0.2s ease, opacity 0.2s ease;
  }

  /* Menú desplegable */
  .mobile-header.menu-open .mobile-menu {
    display: flex;
    flex-direction: column;
    position: fixed;
    inset: 0;
    background: #020617;
    padding-top: 120px;
    padding-bottom: 40px;
    gap: 24px;
    align-items: center;
    justify-content: flex-start;
    z-index: 999;
  }

  .mobile-header.menu-open .mobile-menu a {
    color: #ffffff;
    text-decoration: none;
    font-size: 20px;
    font-weight: 500;
  }

  .mobile-header.menu-open .mobile-menu a:hover {
    opacity: 0.8;
  }

  /* Animación icono hamburguesa → X */
  .mobile-header.menu-open .mobile-menu-toggle span:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
  }

  .mobile-header.menu-open .mobile-menu-toggle span:nth-child(2) {
    opacity: 0;
  }

  .mobile-header.menu-open .mobile-menu-toggle span:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
  }

  /* Más aire arriba para el hero en móvil */
  .hero {
    padding-top: 140px;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-subtitle {
    font-size: 16px;
  }

  .section-inner {
    border-radius: 28px;
    padding: 30px 24px 34px;
  }
}