/* ============================================================
   base.css — el marco: fondo, grano, HUD, barra lateral, portada

   La regla de la casa: el adorno vive en los BORDES (fondo, cabeceras,
   portada) y nunca dentro de la columna de lectura. Esto se estudia; el
   póster es el marco, no la página.
   ============================================================ */

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

html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }

html, body { margin: 0; height: 100%; }

body {
  background-color: var(--noche);
  /* Estrellas: cruces y puntos crema muy tenues, en una tesela grande para
     que no se note la repetición. Es un SVG en línea: cero peticiones. */
  background-image:
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='640' height='640'%3E%3Cg fill='%23f1e6d2'%3E%3Cpath opacity='.28' d='M83 118h9v1.6h-9zM86.7 114.3h1.6v9h-1.6z'/%3E%3Cpath opacity='.2' d='M512 64h7v1.4h-7zM514.8 61.2h1.4v7h-1.4z'/%3E%3Cpath opacity='.24' d='M430 402h9v1.6h-9zM433.7 398.3h1.6v9h-1.6z'/%3E%3Cpath opacity='.18' d='M150 520h7v1.4h-7zM152.8 517.2h1.4v7h-1.4z'/%3E%3Cpath opacity='.22' d='M598 560h9v1.6h-9zM601.7 556.3h1.6v9h-1.6z'/%3E%3Ccircle cx='260' cy='40' r='1' opacity='.35'/%3E%3Ccircle cx='330' cy='250' r='1.2' opacity='.3'/%3E%3Ccircle cx='40' cy='330' r='.9' opacity='.3'/%3E%3Ccircle cx='560' cy='300' r='1' opacity='.25'/%3E%3Ccircle cx='250' cy='610' r='1.1' opacity='.3'/%3E%3Ccircle cx='470' cy='190' r='.8' opacity='.3'/%3E%3Ccircle cx='200' cy='220' r='.8' opacity='.22'/%3E%3C/g%3E%3C/svg%3E"),
    radial-gradient(ellipse 80% 60% at 100% 0%, rgba(224, 89, 42, .07), transparent 60%);
  background-attachment: fixed;
  color: var(--crema);
  font-family: var(--f-texto);
  font-size: 17px;
  line-height: 1.62;
  font-feature-settings: 'ss01' on;
  -webkit-font-smoothing: antialiased;
}

/* El grano del póster. Encima de todo y sin atrapar clics. */
#grano {
  position: fixed; inset: 0; z-index: 90;
  pointer-events: none;
  opacity: .085;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 1  0 0 0 0 .95  0 0 0 0 .88  0 0 0 1.1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

a { color: var(--naranja); text-decoration: none; }
a:hover { color: var(--ambar); }

::selection { background: var(--naranja); color: var(--tinta); }

:focus-visible { outline: 2px solid var(--ambar); outline-offset: 3px; }

h1, h2, h3 { font-weight: 600; letter-spacing: -.01em; line-height: 1.2; }

code {
  font-family: var(--f-mono);
  font-size: .88em;
  background: var(--noche-3);
  padding: .08em .35em;
}

kbd {
  font-family: var(--f-mono);
  font-size: .78em;
  border: 1px solid var(--crema-3);
  padding: 0 .35em;
}

.muted { color: var(--crema-2); }

/* Etiqueta de póster: mono, mayúsculas, tracking ancho. Se usa en todas partes. */
.etq {
  font-family: var(--f-mono);
  font-size: 11.5px;
  letter-spacing: var(--track-etq);
  text-transform: uppercase;
  color: var(--crema-2);
}

/* ------------------------------------------------------------ arranque */

#boot {
  position: fixed; inset: 0; z-index: 100;
  display: grid; place-content: center; justify-items: center; gap: 22px;
  background: var(--noche);
  transition: opacity .35s ease, visibility .35s;
}
#boot.gone { opacity: 0; visibility: hidden; }
.boot-planeta {
  width: 64px; height: 64px; border-radius: 50%;
  background: radial-gradient(circle at 42% 40%, var(--ambar), var(--naranja) 55%, transparent 72%);
  filter: blur(2px);
}
.boot-txt {
  font-family: var(--f-mono); font-size: 11px;
  letter-spacing: var(--track-etq); color: var(--crema-3);
}

/* ------------------------------------------------------------ HUD */

#hud {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  height: var(--hud-alto);
  display: flex; align-items: center; gap: 14px;
  padding: 0 20px;
  background: rgba(15, 12, 10, .97);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--linea-suave);
}

.hud-boton {
  display: none;
  width: 38px; height: 38px;
  background: none; border: var(--filete) solid var(--linea);
  padding: 10px 9px; cursor: pointer;
  flex-direction: column; justify-content: space-between;
}
.hud-boton span { display: block; height: 1.5px; background: var(--crema); }

.hud-marca { display: flex; align-items: center; gap: 12px; color: var(--crema); }
.hud-marca:hover { color: var(--crema); }
.hud-marca-sig {
  font-family: var(--f-display);
  font-size: 20px; line-height: 1;
  color: var(--tinta); background: var(--naranja);
  padding: 6px 8px 5px;
}
.hud-marca-txt {
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: var(--track-etq); text-transform: uppercase;
}

.hud-espacio { flex: 1; }

.hud-pestanas { display: flex; gap: 6px; }
.hud-pestanas a {
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--crema-2);
  padding: 8px 12px;
  border: var(--filete) solid transparent;
}
.hud-pestanas a:hover { color: var(--crema); }
.hud-pestanas a.activa { color: var(--naranja); border-color: var(--linea); }

/* ------------------------------------------------------------ esqueleto */

#app {
  display: grid;
  grid-template-columns: var(--lateral-ancho) minmax(0, 1fr);
  padding-top: var(--hud-alto);
  min-height: 100%;
}

#view { min-width: 0; outline: none; padding: 40px 48px 96px; }

/* La portada ocupa todo: sin barra lateral. */
body.en-portada #app { grid-template-columns: minmax(0, 1fr); }
body.en-portada #sidebar { display: none; }
body.en-portada #view { padding: 0; }

/* ------------------------------------------------------------ barra lateral */

#sidebar {
  position: sticky; top: var(--hud-alto);
  height: calc(100vh - var(--hud-alto));
  overflow-y: auto;
  padding: 26px 18px 40px 22px;
  border-right: 1px solid var(--linea-suave);
  background: rgba(23, 18, 14, .55);
  scrollbar-width: thin;
  scrollbar-color: var(--noche-3) transparent;
}

.lat-grupo + .lat-grupo { margin-top: 30px; }

.lat-titulo {
  display: flex; align-items: center; gap: 10px;
  margin-bottom: 12px;
}
.lat-titulo .etq { color: var(--naranja); }
.lat-titulo::after { content: ''; flex: 1; height: 1px; background: var(--linea-suave); }

.lat-sec {
  display: block;
  margin: 14px 0 4px;
  font-size: 14px; font-weight: 600;
  color: var(--crema);
  line-height: 1.3;
}
.lat-sec .lat-num {
  font-family: var(--f-mono); font-weight: 400; font-size: 12px;
  color: var(--naranja); margin-right: 8px;
}

.lat-link {
  display: flex; gap: 10px; align-items: baseline;
  padding: 5px 8px 5px 10px;
  margin-left: 2px;
  font-size: 13.5px; line-height: 1.35;
  color: var(--crema-2);
  border-left: var(--filete) solid var(--linea-suave);
}
.lat-link:hover { color: var(--crema); border-left-color: var(--crema-3); }
.lat-link.activa { color: var(--naranja); border-left-color: var(--naranja); background: rgba(224, 89, 42, .07); }
.lat-link .lat-num { font-family: var(--f-mono); font-size: 11px; color: var(--crema-3); flex: none; min-width: 26px; }
.lat-link.activa .lat-num { color: var(--naranja); }

.lat-pie {
  margin-top: 34px; padding-top: 16px;
  border-top: 1px solid var(--linea-suave);
  font-size: 12.5px; color: var(--crema-3); line-height: 1.5;
}

#scrim { display: none; }

/* ------------------------------------------------------------ botones */

.btn {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--crema);
  padding: 11px 16px;
  border: var(--filete) solid var(--linea);
  background: transparent;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.btn:hover { background: var(--naranja); color: var(--tinta); }
.btn.lleno { background: var(--naranja); color: var(--tinta); border-color: var(--naranja); }
.btn.lleno:hover { background: var(--ambar); border-color: var(--ambar); }

/* ------------------------------------------------------------ 404 */

.vacio {
  max-width: 560px; margin: 8vh auto 0; text-align: center;
}
.vacio-planeta {
  width: 90px; height: 90px; margin: 0 auto 26px; border-radius: 50%;
  border: var(--filete) dashed var(--linea);
}
.vacio h1 { font-family: var(--f-display); font-weight: 400; font-size: 34px; color: var(--naranja); margin: 0 0 10px; }
.vacio-acciones { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-top: 26px; }

/* ------------------------------------------------------------ esquinas en «L»

   El marco del segundo póster: dos esquinas opuestas con filete naranja.
   Se aplica con la clase `.esquinas` a cualquier caja con position.       */

.esquinas { position: relative; }
.esquinas::before, .esquinas::after {
  content: ''; position: absolute; width: 22px; height: 22px;
  pointer-events: none;
}
.esquinas::before {
  top: -1px; left: -1px;
  border-top: var(--filete) solid var(--naranja);
  border-left: var(--filete) solid var(--naranja);
}
.esquinas::after {
  bottom: -1px; right: -1px;
  border-bottom: var(--filete) solid var(--naranja);
  border-right: var(--filete) solid var(--naranja);
}

/* ------------------------------------------------------------ portada */

.po {
  position: relative;
  min-height: calc(100vh - var(--hud-alto));
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
  gap: 28px;
  padding: 44px 48px 56px;
  overflow: hidden;
}

.po-izq { display: flex; flex-direction: column; gap: 24px; position: relative; z-index: 2; }

.po-titulo {
  margin: 0;
  font-family: var(--f-display); font-weight: 400;
  font-size: clamp(54px, 8.4vw, 124px);
  line-height: .88;
  letter-spacing: .01em;
  color: var(--naranja);
  text-transform: uppercase;
}

.po-destellos {
  display: flex; gap: 38px;
  font-size: 22px; color: var(--naranja); line-height: 1;
}

.po-bajada { max-width: 470px; font-size: 18px; color: var(--crema-2); margin: 0; }
.po-bajada b { color: var(--crema); font-weight: 600; }

.po-panel {
  margin: 0;
  background: var(--naranja);
  color: var(--tinta);
  padding: 18px 18px 14px;
  max-width: 470px;
}
.po-panel svg { display: block; width: 100%; height: auto; }
.po-panel-pie {
  display: flex; justify-content: space-between;
  margin-top: 10px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: var(--track-etq);
  text-transform: uppercase;
}

.po-der { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.po-cielo { position: relative; flex: 1; min-height: 430px; }

/* El planeta: un gradiente desenfocado con un anillo y una línea que lo cruza. */
.po-planeta {
  position: absolute; top: 12%; left: 50%;
  width: min(70%, 380px); aspect-ratio: 1;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle at 44% 42%, #ff8a3d 0%, var(--naranja) 38%, rgba(224, 89, 42, .55) 58%, transparent 71%);
  filter: blur(7px);
  animation: deriva 14s ease-in-out infinite alternate;
}
.po-anillo {
  position: absolute; top: calc(12% + min(35%, 190px) - 34px); left: 50%;
  width: min(108%, 590px); height: 68px;
  transform: translateX(-50%) rotate(-8deg);
  border-radius: 50%;
  border: 7px solid rgba(224, 89, 42, .8);
  filter: blur(1.4px);
  pointer-events: none;
}
.po-eje {
  position: absolute; top: 4%; left: 34%;
  width: 2px; height: 78%;
  background: var(--naranja);
  transform: rotate(-22deg);
  transform-origin: top center;
  opacity: .9;
}
@keyframes deriva {
  from { transform: translateX(-50%) translateY(0); }
  to   { transform: translateX(-47%) translateY(10px); }
}

.po-vertical {
  position: absolute; left: 0; bottom: 110px;
  writing-mode: vertical-rl; transform: rotate(180deg);
  font-family: var(--f-mono); font-size: 12px;
  letter-spacing: .3em; text-transform: uppercase;
  color: var(--crema-2);
  display: flex; gap: 38px;
}

.po-fecha {
  position: absolute; top: 2%; right: 2%;
  font-family: var(--f-mono); font-size: 15px; line-height: 1.5;
  color: var(--crema);
  padding: 8px 40px 8px 12px;
  border: var(--filete) solid var(--naranja);
}
.po-fecha::after {
  content: ''; position: absolute; right: -1.5px; top: -1.5px;
  width: 30px; height: 150%;
  border: var(--filete) solid var(--naranja); border-left: 0;
}

.po-puertas {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin-top: -90px;   /* montan sobre el borde inferior del planeta */
}

.po-puerta {
  display: flex; flex-direction: column; gap: 8px;
  padding: 18px 18px 16px;
  background: rgba(15, 12, 10, .82);
  border: var(--filete) solid var(--linea);
  color: var(--crema);
  transition: background .18s, color .18s, transform .18s;
}
.po-puerta:hover { background: var(--naranja); color: var(--tinta); transform: translateY(-3px); }
.po-puerta:hover .etq, .po-puerta:hover .po-puerta-sub { color: var(--tinta); }
.po-puerta-tit { font-family: var(--f-display); font-size: 30px; line-height: 1; }
.po-puerta-sub { font-size: 14px; color: var(--crema-2); line-height: 1.4; }
.po-puerta-flecha { font-family: var(--f-mono); font-size: 13px; margin-top: auto; }

.po-barras {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--f-mono); font-size: 11px; letter-spacing: var(--track-etq);
  color: var(--crema-3); text-transform: uppercase;
}
.po-barras i {
  display: block; width: 120px; height: 26px;
  background: repeating-linear-gradient(90deg,
    var(--crema-2) 0 2px, transparent 2px 4px, var(--crema-2) 4px 5px,
    transparent 5px 8px, var(--crema-2) 8px 11px, transparent 11px 12px);
  opacity: .7;
}

/* ------------------------------------------------------------ móvil */

@media (max-width: 1080px) {
  .po { grid-template-columns: 1fr; }
  .po-cielo { min-height: 400px; }
}

@media (max-width: 880px) {
  #app { grid-template-columns: minmax(0, 1fr); }
  #view { padding: 26px 16px 80px; }
  body.en-portada #view { padding: 0; }

  .hud-boton { display: flex; }
  body.en-portada .hud-boton { display: none; }
  #hud { padding: 0 16px; gap: 10px; }
  .hud-marca-txt { display: none; }
  .hud-pestanas a { padding: 7px 9px; letter-spacing: .1em; font-size: 11px; }

  #sidebar {
    position: fixed; z-index: 45; top: var(--hud-alto); left: 0; bottom: 0;
    width: min(86vw, 330px); height: auto;
    background: var(--noche-2);
    transform: translateX(-102%);
    transition: transform .22s ease;
  }
  body.nav-open #sidebar { transform: none; }
  body.nav-open #scrim {
    display: block; position: fixed; inset: var(--hud-alto) 0 0 0; z-index: 44;
    background: rgba(0, 0, 0, .55);
  }

  .po { padding: 26px 16px 40px; gap: 18px; }
  .po-cielo { min-height: 330px; }
  .po-puertas { grid-template-columns: 1fr; margin-top: -40px; }
  .po-vertical { display: none; }
  .po-fecha { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}