/* ==========================================================================
   Alejandro Santiago — página temporal
   Foto a pantalla completa + nombre y oficio + player discreto.
   ========================================================================== */

:root{
  --stage-bg:#3a2f57;
  --ink:#ffffff;
  --ink-soft:rgba(255,255,255,.76);
  --pad-x:clamp(20px, 5vw, 72px);
  --ease-out:cubic-bezier(.22,.61,.36,1);
  --ease-soft:cubic-bezier(.16,.84,.3,1);
  --shell:rgba(18,14,28,.42);
  --hair:rgba(255,255,255,.16);
}

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

html,body{ height:100%; }

body{
  margin:0;
  overflow:hidden;
  background:var(--stage-bg);
  color:var(--ink);
  font-family:ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  text-rendering:optimizeLegibility;
  overscroll-behavior:none;
  -webkit-tap-highlight-color:transparent;
}

/* ---------------------------------- Escenario --------------------------- */

.stage{
  position:fixed;
  inset:0;
  overflow:hidden;
  background:var(--stage-bg);
  isolation:isolate;
}

/* Capa que recibe el parallax del cursor */
.stage__layer{
  position:absolute;
  inset:-2%;                      /* margen para que el parallax no muestre bordes */
  will-change:transform;
}

.stage__drift{
  position:absolute;
  inset:0;
  animation:drift 52s ease-in-out infinite alternate;
  will-change:transform;
}

@keyframes drift{
  from{ transform:scale(1.001) translate3d(0,0,0); }
  to  { transform:scale(1.055) translate3d(-0.7%,-0.9%,0); }
}

.stage__media{
  position:absolute;
  inset:0;
  display:block;
  margin:0;
}

.stage__img{
  display:block;
  width:100%;
  height:100%;
  object-fit:cover;
  object-position:39% 5%;

  transition:opacity 1.7s var(--ease-out), transform 2.8s var(--ease-soft);
  will-change:opacity, transform;

  user-select:none;
  -webkit-user-drag:none;
  pointer-events:none;
}

/* Móvil / vertical: recorte 9:16 y encuadre sobre el rostro */
@media (max-aspect-ratio: 3/4){
  .stage__img{ object-position:50% 6%; }
}

/* Estados iniciales de la animación: solo si hay JavaScript.
   Sin JS la página se ve completa de inmediato. */
.js .stage__img{ opacity:0; transform:scale(1.07); }

.is-ready .stage__img{
  opacity:1;
  transform:scale(1);
}

/* Oscurecido inferior + viñeta */
.stage__scrim{
  position:absolute;
  inset:0;
  pointer-events:none;
  background:
    linear-gradient(to top,
      rgba(10,7,18,.86) 0%,
      rgba(10,7,18,.56) 22%,
      rgba(10,7,18,.16) 45%,
      rgba(10,7,18,0)   64%),
    radial-gradient(125% 95% at 50% 45%,
      rgba(10,7,18,0) 42%,
      rgba(10,7,18,.42) 100%);
}

/* Luz que sigue al cursor */
.glow{
  position:absolute;
  left:0;
  top:0;
  width:56vmax;
  height:56vmax;
  margin:-28vmax 0 0 -28vmax;
  border-radius:50%;
  pointer-events:none;
  opacity:0;
  mix-blend-mode:screen;
  background:radial-gradient(circle,
      rgba(255,238,216,.22) 0%,
      rgba(255,238,216,.08) 36%,
      rgba(255,238,216,0)   66%);
  transition:opacity 1.4s ease;
  will-change:transform;
}
.is-ready .glow.is-live{ opacity:1; }

/* ------------------------------- Títulos -------------------------------- */

.banner{
  position:absolute;
  left:var(--pad-x);
  right:var(--pad-x);
  bottom:clamp(104px, 17vh, 168px);
  will-change:transform;
}

.banner__inner{
  max-width:min(100%, 46rem);
  transition:opacity 1.35s var(--ease-out) .5s, transform 1.6s var(--ease-soft) .5s;
}
.js .banner__inner{ opacity:0; transform:translate3d(0,20px,0); }
.is-ready .banner__inner{ opacity:1; transform:none; }

.banner__name{
  margin:0;
  max-width:9em;              /* parte el nombre en dos renglones */
  font-size:clamp(1.55rem, 6.6vw, 3.5rem);
  font-weight:300;
  line-height:1.14;
  letter-spacing:.19em;
  text-transform:uppercase;
  text-shadow:0 2px 34px rgba(6,4,14,.62), 0 1px 2px rgba(6,4,14,.42);
  animation:trackIn 1.9s var(--ease-soft) .5s both;
}

@keyframes trackIn{
  from{ letter-spacing:.30em; }
  to  { letter-spacing:.19em; }
}

.banner__rule{
  display:block;
  width:clamp(40px, 8vw, 74px);
  height:1px;
  margin:clamp(14px, 2.4vh, 24px) 0;
  background:linear-gradient(90deg, rgba(255,255,255,.75), rgba(255,255,255,0));
  transform-origin:left center;
  animation:ruleIn 1.5s var(--ease-soft) 1s both;
}

@keyframes ruleIn{
  from{ transform:scaleX(0); opacity:0; }
  to  { transform:scaleX(1); opacity:1; }
}

.banner__role{
  margin:0;
  white-space:nowrap;         /* "Cantautor Mexicano" siempre en un renglón */
  font-size:clamp(.66rem, 2.5vw, .93rem);
  font-weight:400;
  letter-spacing:.44em;
  text-transform:uppercase;
  color:var(--ink-soft);
  text-shadow:0 1px 22px rgba(6,4,14,.6);
  transition:opacity 1.2s var(--ease-out) 1.05s, transform 1.3s var(--ease-soft) 1.05s;
}
.js .banner__role{ opacity:0; transform:translate3d(0,10px,0); }
.is-ready .banner__role{ opacity:1; transform:none; }

/* -------------------------------- Player -------------------------------- */

.player{
  position:fixed;
  left:0;
  right:0;
  margin-inline:auto;          /* centrado sin depender de translate */
  bottom:calc(14px + env(safe-area-inset-bottom, 0px));
  z-index:5;

  display:flex;
  align-items:center;
  gap:12px;

  width:min(440px, calc(100% - 26px));
  padding:8px 16px 8px 8px;
  border-radius:999px;

  background:var(--shell);
  border:1px solid var(--hair);
  box-shadow:0 12px 40px rgba(5,3,12,.42), inset 0 1px 0 rgba(255,255,255,.07);
  -webkit-backdrop-filter:blur(16px) saturate(130%);
  backdrop-filter:blur(16px) saturate(130%);

  transition:opacity 1s var(--ease-out) 1.25s, transform 1.1s var(--ease-soft) 1.25s;
  will-change:opacity, transform;
}
.js .player{ opacity:0; transform:translate3d(0,16px,0); }
.is-ready .player{ opacity:1; transform:none; }
.player.is-hidden{ opacity:0; pointer-events:none; }

.player__btn{
  flex:0 0 auto;
  width:38px;
  height:38px;
  padding:0;
  border:0;
  border-radius:50%;
  display:grid;
  place-items:center;
  cursor:pointer;
  touch-action:manipulation;
  color:#171226;
  background:rgba(255,255,255,.93);
  transition:transform .35s var(--ease-out), background .35s ease;
}
.player__btn:hover{ transform:scale(1.07); background:#fff; }
.player__btn:active{ transform:scale(.94); }
.player__btn:focus-visible{ outline:2px solid rgba(255,255,255,.85); outline-offset:3px; }
.player__btn svg{ width:17px; height:17px; fill:currentColor; display:block; }
.player__btn .i-pause{ display:none; }
.player.is-playing .i-play{ display:none; }
.player.is-playing .i-pause{ display:block; }
.player.is-playing .player__btn{ animation:breath 3.4s ease-in-out infinite; }

@keyframes breath{
  0%,100%{ box-shadow:0 0 0 0 rgba(255,255,255,.34); }
  50%    { box-shadow:0 0 0 7px rgba(255,255,255,0); }
}

/* Barra de avance */
.track{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  height:28px;
  padding:0 2px;
  cursor:pointer;
  touch-action:none;
}
.track:focus-visible{ outline:none; }

.track__rail{
  position:relative;
  width:100%;
  height:3px;
  border-radius:999px;
  background:rgba(255,255,255,.2);
  transition:height .3s var(--ease-out), background .3s ease;
}

.track__fill{
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:0;
  border-radius:999px;
  background:linear-gradient(90deg, rgba(255,255,255,.58), #fff);
}

.track__knob{
  position:absolute;
  top:50%;
  left:0;
  width:10px;
  height:10px;
  margin:-5px 0 0 -5px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 1px 8px rgba(0,0,0,.45);
  transform:scale(0);
  transition:transform .3s var(--ease-out);
}

.player:hover .track__rail,
.track:focus-visible .track__rail{ height:5px; background:rgba(255,255,255,.26); }
.player:hover .track__knob,
.track:focus-visible .track__knob{ transform:scale(1); }

.player__time{
  flex:0 0 auto;
  min-width:2.6em;
  text-align:right;
  font-size:11.5px;
  letter-spacing:.07em;
  font-variant-numeric:tabular-nums;
  color:rgba(255,255,255,.6);
}

/* Aviso cuando el navegador bloquea el autoplay con sonido */
.hint{
  position:absolute;
  left:0;
  right:0;
  margin-inline:auto;          /* centrado sin depender de translate */
  width:max-content;
  max-width:calc(100% - 10px);
  bottom:calc(100% + 12px);
  white-space:nowrap;
  text-align:center;
  padding:7px 15px;
  border-radius:999px;
  font-size:10.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:rgba(255,255,255,.92);
  background:rgba(20,15,32,.5);
  border:1px solid var(--hair);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  opacity:0;
  pointer-events:none;
  transition:opacity .6s var(--ease-out);
}
.hint.is-visible{ opacity:1; animation:hintPulse 3.2s ease-in-out infinite; }

@keyframes hintPulse{
  0%,100%{ transform:translateY(0); }
  50%    { transform:translateY(-3px); }
}

/* ------------------- Preferencias y pantallas bajas --------------------- */

@media (max-height: 480px){
  .banner{ bottom:clamp(86px, 22vh, 120px); }
  .banner__rule{ display:none; }
}

@media (prefers-reduced-motion: reduce){
  .stage__drift{ animation:none; }
  .banner__name{ animation:none; letter-spacing:.19em; }
  .banner__rule{ animation:none; }
  .player.is-playing .player__btn{ animation:none; }
  .hint.is-visible{ animation:none; }
  .stage__img{ transition:opacity .35s linear; transform:none; }
  .banner__inner,
  .banner__role,
  .player{ transition-duration:.4s; transition-delay:0s; }
}