/* ============================================================
   Apophis.es — hoja de estilos
   Tema: espacio profundo. Sin dependencias externas.
   ============================================================ */

:root {
  --bg: #070b14;
  --bg-elevada: #0d1526;
  --borde: #1d2a45;
  --texto: #e9edf6;
  --texto-suave: #9aa7bd;
  --acento: #f5a623;
  --acento-suave: #ffd28a;
  --enlace: #7fb3ff;
  --max-ancho: 62rem;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;
  line-height: 1.65;
  color: var(--texto);
  background-color: var(--bg);
  background-image:
    radial-gradient(1px 1px at 23px 41px, rgba(255,255,255,.45) 50%, transparent 51%),
    radial-gradient(1px 1px at 141px 87px, rgba(255,255,255,.30) 50%, transparent 51%),
    radial-gradient(1.5px 1.5px at 71px 163px, rgba(255,255,255,.40) 50%, transparent 51%),
    radial-gradient(1px 1px at 197px 29px, rgba(255,255,255,.25) 50%, transparent 51%),
    radial-gradient(1px 1px at 109px 211px, rgba(255,255,255,.35) 50%, transparent 51%),
    radial-gradient(ellipse 80% 50% at 70% -10%, #16233f 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 10% 110%, #131b30 0%, transparent 60%);
  background-size: 230px 230px, 230px 230px, 230px 230px, 230px 230px, 230px 230px, 100% 100%, 100% 100%;
  background-attachment: fixed;
  min-height: 100vh;
}

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

img { max-width: 100%; height: auto; }

.contenedor {
  max-width: var(--max-ancho);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ---------- Cabecera ---------- */

.cabecera {
  border-bottom: 1px solid var(--borde);
  background: rgba(7, 11, 20, 0.85);
  backdrop-filter: blur(6px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.cabecera nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem 1.5rem;
  padding: 0.8rem 0;
}

.marca {
  font-weight: 800;
  letter-spacing: 0.12em;
  font-size: 1.15rem;
  color: var(--texto);
  text-decoration: none;
}

.marca span { color: var(--acento); }

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1.1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.95rem;
}

.menu a {
  color: var(--texto-suave);
  text-decoration: none;
  padding: 0.25rem 0;
}

.menu a:hover, .menu a[aria-current="page"] { color: var(--texto); }

.menu a.menu-destacado {
  color: var(--acento);
  font-weight: 600;
}

/* ---------- Héroe (portada) ---------- */

.heroe {
  text-align: center;
  padding: 4.5rem 0 3rem;
}

.heroe h1 {
  font-size: clamp(1.7rem, 4.5vw, 2.8rem);
  line-height: 1.2;
  margin: 0 auto 1rem;
  max-width: 46rem;
}

.heroe h1 em {
  font-style: normal;
  color: var(--acento);
}

.heroe .entradilla {
  color: var(--texto-suave);
  max-width: 40rem;
  margin: 0 auto 2.5rem;
  font-size: 1.08rem;
}

/* ---------- Cuenta atrás ---------- */

.cuenta-atras {
  display: flex;
  justify-content: center;
  gap: clamp(0.75rem, 3vw, 2rem);
  margin: 0 auto 1rem;
}

.cuenta-atras > div {
  background: var(--bg-elevada);
  border: 1px solid var(--borde);
  border-radius: 0.75rem;
  padding: 1rem clamp(0.75rem, 2.5vw, 1.75rem);
  min-width: clamp(4.2rem, 18vw, 7rem);
}

.cuenta-atras .cifra {
  display: block;
  font-size: clamp(1.9rem, 7vw, 3.6rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--acento);
  line-height: 1.1;
}

.cuenta-atras .unidad {
  display: block;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--texto-suave);
  margin-top: 0.35rem;
}

.hasta {
  color: var(--texto-suave);
  font-size: 0.9rem;
  margin: 0 0 2.5rem;
}

/* ---------- Distancia en tiempo real ---------- */

.panel-distancia {
  background: var(--bg-elevada);
  border: 1px solid var(--borde);
  border-radius: 0.75rem;
  padding: 1.4rem 1.5rem;
  max-width: 34rem;
  margin: 0 auto 1rem;
}

.panel-distancia .etiqueta {
  margin: 0 0 0.3rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--texto-suave);
}

.panel-distancia .km {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.3rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.panel-distancia .contexto {
  margin: 0.4rem 0 0;
  color: var(--texto-suave);
  font-size: 0.92rem;
}

.nota-modelo {
  color: var(--texto-suave);
  font-size: 0.8rem;
  max-width: 34rem;
  margin: 0 auto 3rem;
}

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

.tarjetas {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(15rem, 1fr));
  gap: 1.25rem;
  padding: 1rem 0 3rem;
}

.tarjeta {
  background: var(--bg-elevada);
  border: 1px solid var(--borde);
  border-radius: 0.75rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
}

.tarjeta h2 {
  margin: 0 0 0.5rem;
  font-size: 1.15rem;
}

.tarjeta p {
  margin: 0 0 1rem;
  color: var(--texto-suave);
  font-size: 0.95rem;
  flex-grow: 1;
}

.tarjeta a { font-weight: 600; text-decoration: none; }

/* ---------- Prosa (páginas de contenido) ---------- */

.prosa {
  max-width: 44rem;
  margin: 0 auto;
  padding: 3rem 0 4rem;
}

.prosa h1 {
  font-size: clamp(1.7rem, 4vw, 2.4rem);
  line-height: 1.25;
}

.prosa h2 {
  margin-top: 2.5rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--borde);
  font-size: 1.35rem;
}

.prosa p, .prosa li { color: #cdd6e6; }

.prosa strong { color: var(--texto); }

.prosa blockquote {
  margin: 1.5rem 0;
  padding: 0.5rem 1.25rem;
  border-left: 3px solid var(--acento);
  background: var(--bg-elevada);
  border-radius: 0 0.5rem 0.5rem 0;
  color: var(--texto-suave);
}

.prosa table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.prosa th, .prosa td {
  text-align: left;
  padding: 0.55rem 0.75rem;
  border-bottom: 1px solid var(--borde);
  vertical-align: top;
}

.prosa th { color: var(--texto-suave); font-weight: 600; white-space: nowrap; }

.prosa .fecha {
  color: var(--texto-suave);
  font-size: 0.9rem;
}

.fuentes {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--borde);
  font-size: 0.85rem;
  color: var(--texto-suave);
}

/* ---------- Listado de noticias ---------- */

.lista-noticias {
  list-style: none;
  padding: 0;
  margin: 2rem 0;
}

.lista-noticias li {
  background: var(--bg-elevada);
  border: 1px solid var(--borde);
  border-radius: 0.75rem;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1rem;
}

.lista-noticias h2 { margin: 0 0 0.25rem; font-size: 1.2rem; border: none; padding: 0; }

.lista-noticias h2 a { text-decoration: none; }

.lista-noticias .fecha { font-size: 0.85rem; color: var(--texto-suave); }

.lista-noticias p { margin: 0.5rem 0 0; }

/* ---------- Pie ---------- */

.pie {
  border-top: 1px solid var(--borde);
  padding: 2rem 0 2.5rem;
  font-size: 0.88rem;
  color: var(--texto-suave);
  text-align: center;
}

.pie p { margin: 0.35rem 0; }

.pie .aviso-no-impacto {
  color: var(--acento-suave);
  font-weight: 600;
}

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

.boton {
  display: inline-block;
  background: var(--acento);
  color: #1a1305;
  font-weight: 700;
  text-decoration: none;
  padding: 0.7rem 1.5rem;
  border-radius: 0.5rem;
}

.boton:hover { background: var(--acento-suave); color: #1a1305; }

.centrado { text-align: center; }

@media (max-width: 480px) {
  .cuenta-atras { flex-wrap: wrap; }
}