/*
  estilos.css — estilos del sitio danstephensmusic.com
  Estilo aprobado: "Cuero y madera" (Docs/PROYECTO-danstephensmusic.md, sección 3.1;
  boceto de referencia: Docs/bocetos/opcion-3-cuero.html y lista-canciones-a-b.html).
*/

:root{
  --bg:#24201c;
  --bg2:#2e2822;
  --line:#3d342c;
  --leather:#6b4a2b;
  --brass:#c8a46a;
  --cream:#e9dfcf;
  --muted:#b8a88f;
}

*{box-sizing:border-box;margin:0;padding:0}

/* Lo que JavaScript marca como "hidden" se oculta siempre, aunque otra regla
   le dé display:flex (por ejemplo el control de volumen en iPad). */
[hidden]{display:none !important}

body{
  background:var(--bg);
  color:var(--cream);
  font-family:'Source Sans 3',sans-serif;
  font-size:18px;
  line-height:1.7;
  padding-bottom:90px; /* deja espacio para el reproductor fijo */
}

a{color:inherit;text-decoration:none}
.wrap{max-width:1040px;margin:0 auto;padding:0 24px}

/* Encabezado y menú */
header{position:sticky;top:0;z-index:10;background:var(--bg2);border-bottom:1px solid var(--leather)}
header .wrap{display:flex;justify-content:space-between;align-items:center;height:68px;flex-wrap:wrap}
.logo{font-family:'Playfair Display',serif;font-size:24px;font-weight:700}
nav a{margin-left:28px;font-size:15px;letter-spacing:1.5px;color:var(--brass)}
nav a:hover{color:var(--cream)}

/* Hero */
.hero{display:grid;grid-template-columns:1fr 1fr;min-height:82vh}
.hero .txt{display:flex;flex-direction:column;justify-content:center;padding:64px 48px 64px 0}
.hero .kick{font-size:14px;letter-spacing:3px;text-transform:uppercase;color:var(--brass);margin-bottom:18px}
.hero h1{font-family:'Playfair Display',serif;font-size:clamp(42px,5.5vw,66px);line-height:1.08;margin-bottom:22px}
.hero p{color:var(--muted);font-size:19px;max-width:440px}
/* Botón con contorno latón: se usa en el hero ("Listen to the songs") y en Contact ("Write to me") */
.btn{display:inline-block;border:1px solid var(--brass);color:var(--brass);padding:13px 28px;letter-spacing:1.5px;font-size:15px;cursor:pointer}
.btn:hover{background:var(--brass);color:var(--bg)}
.hero .btn{margin-top:32px;align-self:flex-start}
.hero .img{background:url('../img/hero.jpg') right center/cover no-repeat;border-left:1px solid var(--leather)}

/* Secciones generales */
section{padding:80px 0;border-top:1px solid var(--leather)}
.eyebrow{font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--brass);margin-bottom:10px}
h2{font-family:'Playfair Display',serif;font-size:40px;margin-bottom:36px;line-height:1.1}

/* Música: canción destacada */
.destacada{display:grid;grid-template-columns:260px 1fr;gap:36px;background:var(--bg2);border:1px solid var(--leather);padding:32px;margin-bottom:64px}
.destacada-portada{aspect-ratio:1;width:100%;object-fit:cover;border:1px solid var(--leather);background:var(--bg)}
.destacada-etiqueta{font-size:13px;letter-spacing:3px;text-transform:uppercase;color:var(--brass)}
.destacada-info h3{font-family:'Playfair Display',serif;font-size:38px;line-height:1.1;margin:8px 0 12px}
.destacada-historia{font-family:'Playfair Display',serif;font-style:italic;color:var(--muted);font-size:19px;margin-bottom:24px;max-width:520px}
.destacada-historia:empty{display:none}

.controles{display:flex;align-items:center;gap:16px}
.reproducir-grande{width:60px;height:60px;border-radius:50%;background:var(--brass);color:var(--bg);display:flex;align-items:center;justify-content:center;font-size:22px;cursor:pointer;flex:none;border:0}

/* Barra de progreso interactiva: el .progreso es el área de clic/arrastre
   (24px de alto para que sea fácil de tocar en celular); la línea fina y el
   punto son solo visuales, van encima con position:absolute. */
.progreso{position:relative;flex:1;height:24px;cursor:pointer;touch-action:none}
.progreso::before{content:'';position:absolute;left:0;right:0;top:50%;height:4px;transform:translateY(-50%);background:var(--line);border-radius:2px}
.progreso-relleno{position:absolute;left:0;top:50%;height:4px;width:0%;transform:translateY(-50%);background:var(--brass);border-radius:2px;pointer-events:none}
.progreso-punto{position:absolute;top:50%;left:0%;width:12px;height:12px;border-radius:50%;background:var(--brass);transform:translate(-50%,-50%);pointer-events:none}

.tiempo{color:var(--muted);font-size:15px;font-variant-numeric:tabular-nums;flex:none}

/* Música: barra de filtro/búsqueda */
.barra-herramientas{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:28px;padding-bottom:20px;border-bottom:1px solid var(--leather)}
.filtro-anios{display:flex;gap:8px;flex-wrap:wrap}
.filtro-anios button{background:transparent;border:1px solid var(--line);color:var(--muted);padding:6px 14px;font:inherit;font-size:14px;letter-spacing:1px;cursor:pointer}
.filtro-anios button.activo{border-color:var(--brass);color:var(--brass)}
.buscador{background:var(--bg2);border:1px solid var(--line);color:var(--cream);padding:9px 14px;font:inherit;font-size:15px;min-width:240px}

/* Música: lista agrupada por año */
.grupo-anio{display:grid;grid-template-columns:100px 1fr;gap:24px;margin-bottom:40px}
.grupo-anio .anio{font-family:'Playfair Display',serif;font-size:40px;color:var(--brass);line-height:1;position:sticky;top:90px;align-self:start}
.grupo-anio .anio small{display:block;font-family:'Source Sans 3',sans-serif;font-size:13px;letter-spacing:2px;color:var(--muted);margin-top:6px;text-transform:uppercase}

.cancion{display:grid;grid-template-columns:44px 1fr auto;gap:18px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line);cursor:pointer}
.cancion:hover .cancion-titulo{color:var(--brass)}
.cancion-play{width:44px;height:44px;border-radius:50%;background:var(--line);color:var(--cream);display:flex;align-items:center;justify-content:center}
.cancion.activa .cancion-play{background:var(--brass);color:var(--bg)}
.cancion-titulo{font-family:'Playfair Display',serif;font-size:21px}
.cancion.activa .cancion-titulo{color:var(--brass)}
.cancion-historia{color:var(--muted);font-size:15px;font-style:italic;font-family:'Playfair Display',serif}
.cancion-historia:empty{display:none}
.cancion-cover{color:var(--muted);font-size:15px;font-style:italic;font-family:'Playfair Display',serif}
.cancion-cover:empty{display:none}
.cancion-dur{color:var(--muted);font-variant-numeric:tabular-nums}
.cancion-dur:empty{display:none}

/* Videos */
.video-embed{max-width:860px;margin:0 auto;aspect-ratio:16/9;border:1px solid var(--leather);overflow:hidden}
.video-embed iframe{width:100%;height:100%;border:0;display:block}
.video-info{max-width:860px;margin:16px auto 0;text-align:center}
.video-titulo{font-family:'Playfair Display',serif;font-size:21px}
.video-anio{color:var(--muted);font-size:15px;margin-left:10px}

/* About */
.about{max-width:720px}
.about p{margin-bottom:20px;font-size:19px}
.about p:first-of-type::first-letter{font-family:'Playfair Display',serif;font-size:64px;float:left;line-height:.8;margin:6px 10px 0 0;color:var(--brass)}

/* Contact */
.contacto-texto{color:var(--muted);font-size:19px;margin-bottom:24px}
/* Plan B del correo: dirección visible + botón Copiar, para computadoras sin
   programa de correo configurado (ahí el botón "Write to me" no abre nada). */
.contacto-copiar{margin-top:20px;color:var(--muted);font-size:16px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.contacto-direccion{color:var(--cream);user-select:all}
.copiar-boton{background:transparent;border:1px solid var(--line);color:var(--muted);padding:4px 14px;font:inherit;font-size:14px;letter-spacing:1px;cursor:pointer}
.copiar-boton:hover{border-color:var(--brass);color:var(--brass)}

/* Pie de página */
footer{padding:40px 0;border-top:1px solid var(--leather);color:var(--muted);font-size:15px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer a{margin-right:18px;color:var(--brass)}

/* Reproductor fijo */
.reproductor-fijo{position:fixed;left:0;right:0;bottom:0;background:var(--bg2);border-top:1px solid var(--leather);padding:14px 0;z-index:20}
.reproductor-fijo .wrap{display:flex;align-items:center;gap:18px}
.reproductor-play{width:44px;height:44px;border-radius:50%;background:var(--brass);color:var(--bg);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;border:0}

/* Anterior/siguiente: contorno latón, sin relleno (discretos frente al play) */
.reproductor-anterior,.reproductor-siguiente{width:36px;height:36px;border-radius:50%;background:transparent;border:1px solid var(--brass);color:var(--brass);display:flex;align-items:center;justify-content:center;cursor:pointer;flex:none;font-size:14px}
.reproductor-anterior:hover,.reproductor-siguiente:hover{background:var(--brass);color:var(--bg)}

.reproductor-info{min-width:220px}
.reproductor-info b{font-family:'Playfair Display',serif;font-weight:700;font-size:17px;display:block;line-height:1.2}
.reproductor-info span{font-size:13px;color:var(--muted);letter-spacing:1px}

/* Volumen */
.volumen{display:flex;align-items:center;gap:8px;flex:none}
.volumen-boton{width:32px;height:32px;border-radius:50%;background:transparent;border:0;color:var(--brass);display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:16px}
.volumen-slider{-webkit-appearance:none;appearance:none;width:80px;height:4px;background:var(--line);border-radius:2px;cursor:pointer}
.volumen-slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:12px;height:12px;border-radius:50%;background:var(--brass);cursor:pointer}
.volumen-slider::-moz-range-thumb{width:12px;height:12px;border-radius:50%;background:var(--brass);border:0;cursor:pointer}
.volumen-slider::-moz-range-track{background:var(--line);height:4px;border-radius:2px}

/* Responsive: una sola columna en celular */
@media(max-width:760px){
  header .wrap{height:auto;padding:14px 24px;gap:8px}
  nav{width:100%;display:flex;justify-content:space-between}
  nav a{margin-left:0;font-size:13px}

  .hero{grid-template-columns:1fr}
  .hero .img{min-height:320px;border-left:0;order:-1}
  .hero .txt{padding:48px 0}

  .destacada{grid-template-columns:1fr}
  .destacada-portada{max-width:220px}

  .grupo-anio{grid-template-columns:1fr}
  .grupo-anio .anio{position:static;font-size:28px}

  .reproductor-fijo .wrap{gap:10px}
  .reproductor-anterior,.reproductor-siguiente{width:32px;height:32px;font-size:12px}
  .reproductor-info{min-width:0;flex:1;overflow:hidden}
  .reproductor-info b{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .reproductor-info span{display:none}
  .tiempo{font-size:13px}
  .volumen{display:none}
}