/* ===== Reset básico ===== */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, Noto Sans, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji"; line-height: 1.5; color: #e9efff; background: #060a1a; }
img, video, iframe { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button, a { cursor: pointer; }

/* ===== Variables ===== */
:root {
  --bg: #060a1a;              /* cielo nocturno */
  --fg: #e9efff;              /* texto claro */
  --muted: #9fb3d9;           /* texto tenue */
  --surface: rgba(255,255,255,0.06); /* tarjetas translúcidas */
  --surface-line: rgba(255,255,255,0.12);
  --primary: #7bb1ff;         /* azul estelar */
  --primary-contrast: #0b1026;
  --accent: #ff9f1c;          /* acento naranja vivo */
  --accent-2: #ff6a3d;        /* degradado acento */
  --accent-3: #ffd166;        /* degradado claro */
  --overlay: rgba(6,10,26,.55);
  --radius: 14px;
  --space-1: .5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2rem;
  --space-6: 3rem;
  --maxw: 1100px;
}

/* ===== Fondo espacial mágico ===== */
body { 
  background:
    radial-gradient(1200px 800px at 20% 10%, #0e1740 0%, transparent 60%),
    radial-gradient(1000px 700px at 80% 20%, #0a1334 0%, transparent 55%),
    radial-gradient(1500px 900px at 50% 90%, #08102b 0%, transparent 60%),
    var(--bg);
}
body::after { /* estrellas sutiles */
  content: ""; position: fixed; inset: 0; pointer-events: none; z-index: -1;
  background-image:
    radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.8) 60%, transparent 62%),
    radial-gradient(1px 1px at 30% 8%, rgba(255,255,255,.7) 60%, transparent 62%),
    radial-gradient(1.5px 1.5px at 55% 22%, rgba(255,255,255,.8) 60%, transparent 62%),
    radial-gradient(1px 1px at 70% 12%, rgba(255,255,255,.6) 60%, transparent 62%),
    radial-gradient(1.2px 1.2px at 82% 35%, rgba(255,255,255,.75) 60%, transparent 62%),
    radial-gradient(1px 1px at 15% 60%, rgba(255,255,255,.7) 60%, transparent 62%),
    radial-gradient(1.4px 1.4px at 35% 70%, rgba(255,255,255,.8) 60%, transparent 62%),
    radial-gradient(1px 1px at 60% 65%, rgba(255,255,255,.65) 60%, transparent 62%),
    radial-gradient(1.5px 1.5px at 78% 78%, rgba(255,255,255,.8) 60%, transparent 62%),
    radial-gradient(1px 1px at 90% 55%, rgba(255,255,255,.75) 60%, transparent 62%);
  animation: twinkle 8s linear infinite;
  opacity: .7;
}
@keyframes twinkle { 0%,100%{opacity:.55} 50%{opacity:.85} }

/* ===== Utilidades ===== */
.container { width: min(100% - var(--space-4), var(--maxw)); margin-inline: auto; }
.grid { display: grid; gap: var(--space-2); }
@media (min-width: 768px) { .grid.cols-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .grid.cols-3 { grid-template-columns: repeat(3, 1fr); } }

/* Grid específica para videos: miniaturas pequeñas y responsivas */
.videos-grid { display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); justify-content: center; justify-items: stretch; align-items: start; }

.btn { display: inline-block; padding: .875rem 1.125rem; border-radius: 999px; background: var(--primary); color: #08102b; font-weight: 700; text-align: center; border: 2px solid transparent; transition: transform .06s ease, box-shadow .2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(0,0,0,.15); }
.btn:active { transform: translateY(0); }
.btn:focus-visible { outline: none; box-shadow: 0 0 0 3px #0b1026, 0 0 0 6px var(--primary); }
.btn.secondary { background: rgba(255,255,255,0.12); color: var(--fg); border-color: var(--surface-line); }

/* Botón de compra (más llamativo) */
.btn.buy {
  background: linear-gradient(135deg, var(--accent-3) 0%, var(--accent) 55%, var(--accent-2) 100%);
  color: var(--primary-contrast);
  box-shadow: 0 8px 24px rgba(255, 122, 0, .25), inset 0 0 0 1px rgba(255,255,255,.15);
}
.btn.buy:hover {
  box-shadow: 0 10px 28px rgba(255, 122, 0, .35), inset 0 0 0 1px rgba(255,255,255,.18);
  filter: saturate(1.05);
}
.btn.buy:focus-visible { box-shadow: 0 0 0 3px #0b1026, 0 0 0 6px var(--accent); }

.card { background: var(--surface); border: 1px solid var(--surface-line); border-radius: var(--radius); overflow: hidden; box-shadow: 0 10px 30px rgba(0,0,0,.25); backdrop-filter: blur(6px); }
.card .content { padding: var(--space-2); }
.card h3 { margin: 0 0 .25rem 0; font-size: 1.0625rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

/* ===== Hero ===== */
.hero { position: relative; min-height: 100vh; display: grid; place-items: center; color: #fff; background: radial-gradient(circle at 30% 20%, #102252 0, #060a1a 60%); }
.hero .hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 50% 35%; filter: saturate(.95) contrast(1.08) brightness(.9); }
.hero .overlay { position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(6,10,26,.6), rgba(6,10,26,.7)); }
.hero .inner { position: relative; z-index: 2; text-align: center; padding: var(--space-4); }
.hero .inner .cta { font-size: 1.125rem; }

/* ===== Secciones ===== */
section { padding: var(--space-4) 0; }
header.page { padding: var(--space-3) 0 var(--space-2) 0; }
header.page h1 { margin: 0 0 .25rem 0; font-size: clamp(1.5rem, 2vw + 1rem, 2.25rem); }
header.page p.lead { margin: 0; color: var(--muted); }

/* ===== Imágenes historia ===== */
.images { display: grid; grid-template-columns: 1fr; gap: var(--space-2); }
@media (min-width: 768px) { .images { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1100px) { .images { grid-template-columns: repeat(3, 1fr); } }
.images img { width: 100%; height: 220px; object-fit: cover; border-radius: 10px; border: 1px solid var(--surface-line); background: #0c142f; }

/* ===== Vídeo ===== */
.video { width: 100%; background: #000; border-radius: 10px; overflow: hidden; border: 1px solid #0b1026; }
.video iframe { width: 100%; aspect-ratio: 16 / 9; display: block; }

/* Miniaturas de video que abren modal */
.video-thumb { position: relative; display: block; width: 100%; border: 1px solid #0b1026; border-radius: 10px; overflow: hidden; background: #000; padding: 0; }
.video-thumb img { width: 100%; height: auto; aspect-ratio: 16 / 9; object-fit: cover; display: block; filter: saturate(1.04) contrast(1.04) brightness(1); }
.video-thumb .play { display: none !important; }
.video-thumb::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to bottom, rgba(0,0,0,.15), rgba(0,0,0,.35)); transition: background .2s ease; }
.video-thumb:hover::after, .video-thumb:focus-visible::after { background: linear-gradient(to bottom, rgba(0,0,0,.05), rgba(0,0,0,.25)); }
/* (sin icono de play sobre la miniatura) */
.video-thumb:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

/* Modal de video */
.no-scroll { overflow: hidden; }
.modal-backdrop { position: fixed; inset: 0; background: radial-gradient(1200px 800px at 50% 30%, rgba(6,10,26,.75), rgba(6,10,26,.85)); display: grid; place-items: center; z-index: 1000; padding: 1rem; backdrop-filter: blur(2px); animation: backdrop-fade .12s ease-out; }
.modal-dialog { position: relative; width: min(92vw, 960px); max-height: 90vh; border-radius: 16px; overflow: hidden; background: var(--surface); border: 1px solid var(--surface-line); box-shadow: 0 28px 100px rgba(0,0,0,.6); animation: modal-in .14s ease-out; }
.modal-dialog .video { border: 0; border-radius: 0; }
.modal-dialog .video iframe { aspect-ratio: 16 / 9; }
.video-fallback { padding: .5rem 1rem 1rem; text-align: right; }
.modal-close { position: absolute; right: 1rem; top: 1rem; z-index: 1; background: rgba(0,0,0,.6); color: #fff; border: 1px solid rgba(255,255,255,.25); border-radius: 999px; width: 42px; height: 42px; display: grid; place-items: center; font-size: 0; line-height: 1; cursor: pointer; box-shadow: 0 8px 24px rgba(0,0,0,.35); }
.modal-close::before { content: "\00d7"; font-size: 22px; color: #fff; }
.modal-close:hover { background: rgba(0,0,0,.75); }

@keyframes backdrop-fade { from { opacity: 0 } to { opacity: 1 } }
@keyframes modal-in { from { transform: translateY(6px); opacity: .95 } to { transform: translateY(0); opacity: 1 } }

/* ===== Pie navegación ===== */
.footer-nav { display: flex; gap: var(--space-2); flex-wrap: wrap; padding-top: var(--space-3); }
/* Navegación entre movimientos */
.mov-nav { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: var(--space-2); margin: .5rem 0 1rem; }
.mov-nav .label { color: var(--muted); font-weight: 600; text-align: center; }
.mov-nav .btn { min-width: 9rem; }
.mov-nav .btn:last-child { justify-self: end; }
.mov-nav .btn:first-child { justify-self: start; }
.btn.disabled { pointer-events: none; opacity: .55; }

/* ===== Tipografía ===== */
h1, h2, h3 { line-height: 1.2; }
h2 { font-size: clamp(1.25rem, 1.4vw + 1rem, 1.75rem); margin: 0 0 .5rem; }
h3 { font-size: 1.125rem; }

/* ===== Accesibilidad ===== */
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; }

/* ===== Constellations (instrumentos) ===== */
.constellation-card { position: relative; display: block; height: 160px; overflow: hidden; }
.constellation-card svg { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.constellation-card .content { position: absolute; inset: auto 0 0 0; background: linear-gradient(to top, rgba(6,10,26,.7), transparent); }
.constellation-card .name { font-weight: 800; color: #fff; }
.constellation-card p.constellation { color: var(--muted); }
.constellation-card .star { fill: #fff; opacity: .85; filter: drop-shadow(0 0 2px rgba(255,255,255,.6)); transition: r .25s ease, opacity .25s ease; }
.constellation-card .line { stroke: #93b9ff; stroke-width: 1.25; stroke-linecap: round; stroke-linejoin: round; opacity: .35; transition: opacity .25s ease, filter .25s ease; }
.constellation-card:hover .line, .constellation-card:focus-visible .line { opacity: .8; filter: drop-shadow(0 0 6px rgba(147,185,255,.6)); }
.constellation-card:hover .star, .constellation-card:focus-visible .star { opacity: 1; r: 1.8; }

/* Only for screen readers */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,1px,1px); white-space: nowrap; border: 0; }

@media (prefers-reduced-motion: reduce){
  .planet, .btn { transition: none; }
  body::after { animation: none; }
}

/* ===== Planetas (movimientos) ===== */
.planets { display: grid; grid-template-columns: repeat(5, minmax(0,1fr)); gap: var(--space-2); justify-items: center; }
/* Evita solapes de las etiquetas bajo los planetas en pantallas pequeñas */
.planets { row-gap: calc(var(--space-2) + 3rem); margin-bottom: 3.5rem; }
@media (max-width: 640px) { .planets { grid-template-columns: repeat(3, minmax(0,1fr)); } }
.planet { --size: 96px; width: var(--size); height: var(--size); border-radius: 50%; display: grid; place-items: center; position: relative; text-align: center; color: #0b1026; font-weight: 700; background: radial-gradient(circle at 35% 35%, #fff 0%, #cde1ff 35%, #7bb1ff 60%, #355da8 85%, #1a2f66 100%); border: 1px solid rgba(255,255,255,.25); box-shadow: inset -10px -18px 28px rgba(0,0,0,.35), 0 0 0 2px rgba(255,255,255,.08), 0 12px 25px rgba(0,0,0,.35); transition: transform .2s ease, box-shadow .2s ease; }
.planet:hover { transform: translateY(-2px) scale(1.03); box-shadow: inset -10px -18px 28px rgba(0,0,0,.35), 0 0 0 2px rgba(123,177,255,.5), 0 18px 38px rgba(0,0,0,.45); }
.planet:focus-visible { outline: none; box-shadow: inset -10px -18px 28px rgba(0,0,0,.35), 0 0 0 3px #0b1026, 0 0 0 6px var(--primary); }
.planet .label {
  position: absolute;
  top: calc(100% + .5rem);
  /* Centrar y limitar el ancho para evitar solapes en mpiles */
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--size) + 12px);
  max-width: 42vw;
  text-align: center;
  white-space: normal;
  line-height: 1.2;
  color: var(--fg);
  font-weight: 600;
}

/* paletas por movimiento */
.planet.p2 { background: radial-gradient(circle at 35% 35%, #fff 0%, #ffe6b8 35%, #ffc86b 60%, #c87428 85%, #6a2a0a 100%); }
.planet.p3 { background: radial-gradient(circle at 35% 35%, #fff 0%, #ffd1e6 35%, #ff93c8 60%, #b24a8a 85%, #5a1b4e 100%); }
.planet.p4 { background: radial-gradient(circle at 35% 35%, #fff 0%, #d3ffd3 35%, #9fffa3 60%, #3fbf5a 85%, #146a2e 100%); }
.planet.p5 { background: radial-gradient(circle at 35% 35%, #fff 0%, #e4e3ff 35%, #bcb9ff 60%, #6e69ff 85%, #2d2aa3 100%); }

/* ===== Site Footer ===== */
.site-footer { margin-top: var(--space-6); padding: var(--space-6) 0 var(--space-4); border-top: 1px solid var(--surface-line); background: linear-gradient(to bottom, rgba(255,255,255,0.03), rgba(255,255,255,0.00)); }
.footer-cta { text-align: center; margin-bottom: var(--space-3); }
.footer-cta-title { margin: 0 0 var(--space-2) 0; font-size: clamp(1.125rem, 1.2vw + 1rem, 1.6rem); }
.footer-actions { display: flex; gap: var(--space-2); justify-content: center; flex-wrap: wrap; }
.footer-meta { text-align: center; color: var(--muted); font-size: .95rem; }
.footer-meta span::after { content: '.com'; }

/* ===== Responsive tweaks (mobile/tablet) ===== */
@media (max-width: 768px) {
  .mov-nav { gap: var(--space-1); }
  .videos-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
}
@media (max-width: 640px) {
  .mov-nav { grid-template-columns: 1fr 1fr; grid-template-areas: 'prev next' 'label label'; }
  .mov-nav .btn:first-child { grid-area: prev; justify-self: stretch; }
  .mov-nav .btn:last-child { grid-area: next; justify-self: stretch; }
  .mov-nav .label { grid-column: 1 / -1; font-size: .95rem; }
  .mov-nav .btn { width: 100%; min-width: 0; }
  .planet { --size: 84px; }
  .constellation-card { height: 140px; }
  .footer-nav { gap: var(--space-1); }
  .footer-nav .btn { flex: 1 1 auto; }
}
@media (max-width: 420px) {
  .planet { --size: 76px; }
}