/* Sistema de diseño de inteligenciaconia.com
   Editorial de viajes: papel cálido, tinta pizarra, acento terracota.
   Sin frameworks: CSS puro, modo oscuro automático, motion respetuoso. */

:root {
  color-scheme: light dark;
  --papel: #f7f4ee;
  --tarjeta: #ffffff;
  --tinta: #1b2a3a;
  --tinta-suave: #5c6672;
  --acento: #e85d3d;
  --acento-oscuro: #c74527;
  --mar: #0e7c6b;
  --borde: #e5e0d5;
  --sombra: 0 1px 2px rgba(27, 42, 58, 0.06), 0 8px 24px rgba(27, 42, 58, 0.07);
  --sombra-alta: 0 2px 4px rgba(27, 42, 58, 0.08), 0 16px 40px rgba(27, 42, 58, 0.14);
  --radio: 16px;
  --radio-img: 10px;
  --fuente-titulo: "Fraunces", Georgia, serif;
  --fuente-texto: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --papel: #10151c;
    --tarjeta: #171e27;
    --tinta: #ece7dc;
    --tinta-suave: #9aa4ae;
    --acento: #ff7a55;
    --acento-oscuro: #ff9575;
    --mar: #2fb39b;
    --borde: #26303c;
    --sombra: 0 1px 2px rgba(0, 0, 0, 0.3), 0 8px 24px rgba(0, 0, 0, 0.35);
    --sombra-alta: 0 2px 4px rgba(0, 0, 0, 0.4), 0 16px 40px rgba(0, 0, 0, 0.5);
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: var(--fuente-texto);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, .titulo {
  font-family: var(--fuente-titulo);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

a { color: var(--acento); }
a:hover { color: var(--acento-oscuro); }

img, video { max-width: 100%; }

.contenedor {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.contenedor-estrecho {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Navegación ---------- */

.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: color-mix(in srgb, var(--papel) 82%, transparent);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--borde);
}

.nav-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0.7rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.marca {
  font-family: var(--fuente-titulo);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--tinta);
  text-decoration: none;
  white-space: nowrap;
}
.marca:hover { color: var(--tinta); }
.marca .avion { color: var(--acento); margin-right: 0.35rem; }

.nav-links {
  display: flex;
  gap: 1.4rem;
  align-items: center;
}

.nav-links a {
  color: var(--tinta-suave);
  text-decoration: none;
  font-size: 0.92rem;
  font-weight: 500;
}
.nav-links a:hover { color: var(--tinta); }
.nav-links a.destacado {
  color: #fff;
  background: var(--acento);
  padding: 0.45rem 1rem;
  border-radius: 999px;
}
.nav-links a.destacado:hover { background: var(--acento-oscuro); color: #fff; }

.nav-burger {
  display: none;
  background: none;
  border: 1px solid var(--borde);
  border-radius: 8px;
  padding: 0.35rem 0.6rem;
  font-size: 1.1rem;
  color: var(--tinta);
  cursor: pointer;
}

@media (max-width: 760px) {
  .nav-burger { display: block; }
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: var(--papel);
    border-bottom: 1px solid var(--borde);
    padding: 0.5rem 1.25rem 1rem;
  }
  .nav-links.abierto { display: flex; }
  .nav-links a { padding: 0.55rem 0; font-size: 1rem; }
  .nav-links a.destacado { margin-top: 0.5rem; }
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  min-height: 72vh;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: #12202e;
}

.hero-media, .hero-media video, .hero-media img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 18, 28, 0.15) 0%, rgba(10, 18, 28, 0.72) 78%, rgba(10, 18, 28, 0.88) 100%);
}

.hero-contenido {
  position: relative;
  z-index: 2;
  max-width: 1080px;
  margin: 0 auto;
  padding: 6rem 1.25rem 3.5rem;
  width: 100%;
  color: #fdfbf7;
}

.hero h1 {
  font-size: clamp(2.1rem, 5.5vw, 3.4rem);
  margin: 0 0 0.75rem;
  max-width: 14ch;
}

.hero p.entradilla {
  font-size: clamp(1rem, 2vw, 1.15rem);
  max-width: 52ch;
  margin: 0 0 1.5rem;
  color: rgba(253, 251, 247, 0.85);
}

.hero-acciones { display: flex; gap: 0.8rem; flex-wrap: wrap; }

.chip-vivo {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(253, 251, 247, 0.12);
  border: 1px solid rgba(253, 251, 247, 0.25);
  backdrop-filter: blur(6px);
  border-radius: 999px;
  padding: 0.35rem 0.9rem;
  font-size: 0.85rem;
  margin-bottom: 1.25rem;
  color: #fdfbf7;
}
.chip-vivo .punto {
  width: 8px; height: 8px; border-radius: 50%;
  background: #5ee8a4;
  animation: latido 2s infinite;
}
@keyframes latido {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

/* ---------- Botones ---------- */

.boton {
  display: inline-block;
  padding: 0.8rem 1.6rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 1rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.boton:active { transform: translateY(1px); }

.boton-primario { background: var(--acento); color: #fff; }
.boton-primario:hover { background: var(--acento-oscuro); color: #fff; box-shadow: var(--sombra); }

.boton-secundario {
  background: transparent;
  color: var(--tinta);
  border: 1.5px solid var(--borde);
}
.hero .boton-secundario { color: #fdfbf7; border-color: rgba(253, 251, 247, 0.5); }
.boton-secundario:hover { border-color: var(--acento); color: var(--acento); }
.hero .boton-secundario:hover { border-color: #fff; color: #fff; }

/* ---------- Secciones editoriales ---------- */

.seccion { padding: 3.5rem 0 1rem; }

.etiqueta-seccion {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--acento);
  margin-bottom: 0.6rem;
}
.etiqueta-seccion::before {
  content: "";
  width: 2rem;
  height: 2px;
  background: var(--acento);
}

.seccion h2 {
  font-size: clamp(1.5rem, 3.2vw, 2.1rem);
  margin: 0 0 0.5rem;
}
.seccion .descripcion {
  color: var(--tinta-suave);
  max-width: 60ch;
  margin: 0 0 1.75rem;
}

/* ---------- Tarjetas ---------- */

.rejilla {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.tarjeta {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  box-shadow: var(--sombra);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
a.tarjeta { text-decoration: none; color: var(--tinta); display: block; }
.tarjeta:hover { transform: translateY(-3px); box-shadow: var(--sombra-alta); }
.tarjeta h3 { margin: 0 0 0.4rem; font-size: 1.15rem; }
.tarjeta p { margin: 0; color: var(--tinta-suave); font-size: 0.95rem; }
.tarjeta .icono { font-size: 1.6rem; margin-bottom: 0.6rem; display: block; }
.tarjeta .enlace { color: var(--acento); font-weight: 600; margin-top: 0.9rem; display: inline-block; }

/* Pasos numerados */
.paso { position: relative; padding-top: 0.4rem; }
.paso .numero {
  font-family: var(--fuente-titulo);
  font-size: 2.6rem;
  font-weight: 700;
  color: var(--acento);
  opacity: 0.35;
  line-height: 1;
  display: block;
  margin-bottom: 0.4rem;
}

/* ---------- Carrusel de destinos ---------- */

.tabs {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.1rem;
  flex-wrap: wrap;
}
.tab {
  border: 1.5px solid var(--borde);
  background: transparent;
  color: var(--tinta-suave);
  border-radius: 999px;
  padding: 0.45rem 1.1rem;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tab:hover { border-color: var(--acento); color: var(--acento); }
.tab.activo { background: var(--tinta); border-color: var(--tinta); color: var(--papel); }

.carrusel-envoltorio { position: relative; }

.carrusel {
  display: flex;
  gap: 1rem;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 0.25rem 0.25rem 1rem;
  scrollbar-width: none;
}
.carrusel::-webkit-scrollbar { display: none; }

.destino-tarjeta {
  scroll-snap-align: start;
  flex: 0 0 220px;
  border-radius: var(--radio);
  padding: 1.2rem 1.2rem 1.1rem;
  color: #fff;
  text-decoration: none;
  position: relative;
  overflow: hidden;
  min-height: 168px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  box-shadow: var(--sombra);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.destino-tarjeta:hover { transform: translateY(-4px) scale(1.01); box-shadow: var(--sombra-alta); color: #fff; }

.destino-tarjeta .bandera {
  position: absolute;
  top: 0.9rem;
  right: 1rem;
  font-size: 1.5rem;
  filter: drop-shadow(0 1px 2px rgba(0,0,0,0.3));
}
.destino-tarjeta .ciudad {
  font-family: var(--fuente-titulo);
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1.2;
  margin-bottom: 0.15rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.destino-tarjeta .fecha { font-size: 0.78rem; opacity: 0.85; }
.destino-tarjeta .precio {
  font-size: 1.7rem;
  font-weight: 800;
  margin-top: 0.35rem;
  text-shadow: 0 1px 3px rgba(0,0,0,0.25);
}
.destino-tarjeta .precio small { font-size: 0.8rem; font-weight: 500; opacity: 0.85; }

/* Gradientes por familia (se asignan por hash del código IATA) */
.g0 { background: linear-gradient(135deg, #e85d3d 0%, #b03a52 100%); }
.g1 { background: linear-gradient(135deg, #0e7c6b 0%, #14506e 100%); }
.g2 { background: linear-gradient(135deg, #d98e2b 0%, #b34e26 100%); }
.g3 { background: linear-gradient(135deg, #33658a 0%, #1c3d5a 100%); }
.g4 { background: linear-gradient(135deg, #7d5ba6 0%, #454a92 100%); }
.g5 { background: linear-gradient(135deg, #2a9d8f 0%, #1f6f78 100%); }

.carrusel-flecha {
  position: absolute;
  top: 42%;
  transform: translateY(-50%);
  z-index: 3;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--borde);
  background: var(--tarjeta);
  color: var(--tinta);
  font-size: 1.1rem;
  cursor: pointer;
  box-shadow: var(--sombra);
  display: flex;
  align-items: center;
  justify-content: center;
}
.carrusel-flecha:hover { color: var(--acento); border-color: var(--acento); }
.carrusel-flecha.izq { left: -12px; }
.carrusel-flecha.der { right: -12px; }
@media (max-width: 760px) { .carrusel-flecha { display: none; } }

.esqueleto {
  flex: 0 0 220px;
  min-height: 168px;
  border-radius: var(--radio);
  background: linear-gradient(100deg, var(--borde) 30%, var(--tarjeta) 50%, var(--borde) 70%);
  background-size: 200% 100%;
  animation: brillo 1.4s infinite;
}
@keyframes brillo { to { background-position: -200% 0; } }

.estado-carrusel { color: var(--tinta-suave); font-style: italic; font-size: 0.9rem; }

/* ---------- Banda de confianza ---------- */

.banda {
  background: var(--tinta);
  color: var(--papel);
  border-radius: var(--radio);
  padding: 2.2rem 2rem;
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 2rem 0;
}
.banda h3 { margin: 0 0 0.3rem; font-size: 1.05rem; color: var(--papel); }
.banda p { margin: 0; font-size: 0.9rem; opacity: 0.75; line-height: 1.5; }
.banda .icono { font-size: 1.4rem; display: block; margin-bottom: 0.5rem; }

/* ---------- Artículos (blog y páginas de ciudad) ---------- */

.migas {
  font-size: 0.85rem;
  color: var(--tinta-suave);
  margin: 1.5rem 0;
}
.migas a { color: var(--acento); text-decoration: none; }

.articulo h1 { font-size: clamp(1.7rem, 4vw, 2.4rem); margin-bottom: 0.4rem; }
.articulo .meta { font-size: 0.88rem; color: var(--tinta-suave); margin-bottom: 1.75rem; }
.articulo h2 { font-size: 1.35rem; margin: 2.2rem 0 0.75rem; }
.articulo h3 { font-size: 1.08rem; margin: 1.6rem 0 0.4rem; }
.articulo p { margin: 0.75rem 0; }

.cabecera-ciudad {
  border-radius: var(--radio);
  padding: 2.5rem 2rem;
  color: #fff;
  margin: 1.5rem 0;
  position: relative;
  overflow: hidden;
}
.cabecera-ciudad h1 { margin: 0; text-shadow: 0 1px 4px rgba(0,0,0,0.25); }
.cabecera-ciudad .bandera-grande { font-size: 2.2rem; display: block; margin-bottom: 0.5rem; }

.panel-vivo {
  background: var(--tarjeta);
  border: 1px solid var(--borde);
  border-radius: var(--radio);
  padding: 1.5rem;
  margin: 1.5rem 0;
  box-shadow: var(--sombra);
}
.panel-vivo .titulo-vivo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
}
.panel-vivo .titulo-vivo .punto {
  width: 8px; height: 8px; border-radius: 50%;
  background: #16a34a;
  animation: latido 2s infinite;
}

/* ---------- Blog ---------- */

.blog-tarjeta { display: flex; flex-direction: column; }
.blog-tarjeta .cabecera-post {
  border-radius: var(--radio-img);
  height: 120px;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
}
.blog-tarjeta .fecha { font-size: 0.8rem; color: var(--tinta-suave); margin-bottom: 0.3rem; }

/* ---------- Utilidades ---------- */

.revelar { opacity: 0; transform: translateY(18px); transition: opacity 0.55s ease, transform 0.55s ease; }
.revelar.visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .revelar { opacity: 1; transform: none; transition: none; }
  .chip-vivo .punto, .panel-vivo .punto { animation: none; }
  .tarjeta:hover, .destino-tarjeta:hover { transform: none; }
}

.pie {
  border-top: 1px solid var(--borde);
  margin-top: 4rem;
  padding: 2.5rem 0 3rem;
  font-size: 0.9rem;
  color: var(--tinta-suave);
}
.pie-columnas {
  display: grid;
  gap: 1.75rem;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  margin-bottom: 1.75rem;
}
.pie h4 {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin: 0 0 0.6rem;
  color: var(--tinta);
}
.pie ul { list-style: none; margin: 0; padding: 0; }
.pie li { margin: 0.35rem 0; }
.pie a { color: var(--tinta-suave); text-decoration: none; }
.pie a:hover { color: var(--acento); }
.pie .aviso { font-size: 0.82rem; border-top: 1px solid var(--borde); padding-top: 1.25rem; }