/* ═══════════════════════════════════════════════════════════════
   Bandalium · Separador de pistas — piel "cartel de concierto"
   Papel crema · tinta cálida · rojo escenario. Esquinas a 90°,
   bordes de 2px, sombras duras. Archivo estirada + IBM Plex Mono.
   ═══════════════════════════════════════════════════════════════ */
:root {
  --paper:  #f4efe3;
  --paper-2:#ebe4d0;
  --ink:    #1a1511;
  --rojo:   #d02e1d;
  --rojo-2: #b22518;
  --muted:  #5c544a;
}
html { scroll-behavior: smooth; }
body { background: var(--ink); color: var(--paper); min-height: 100vh; }
::selection { background: var(--rojo); color: var(--paper); }
body::after {                        /* grano de imprenta */
  content: ''; position: fixed; inset: 0; z-index: 1500; pointer-events: none;
  opacity: 0.05; mix-blend-mode: screen;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}
#sp-app [hidden] { display: none !important; }

/* ── Header tinta/papel (igual que el resto del sitio) ── */
.hub-header { background: var(--ink) !important; border-bottom: 2px solid var(--paper) !important; backdrop-filter: none; -webkit-backdrop-filter: none; }
.hub-nav-link { font-family: var(--font-mono); font-size: 0.72rem !important; font-weight: 500; text-transform: uppercase; letter-spacing: 0.14em; color: var(--paper) !important; opacity: 1 !important; border-radius: 0; padding: 0.45rem 0.85rem; }
.hub-nav-link i { display: none; }
.hub-nav-link:hover { background: var(--paper) !important; color: var(--ink) !important; }
.hub-nav-link.is-active { background: var(--rojo) !important; color: var(--paper) !important; }
#headerLoginBtn { font-family: var(--font-mono); font-size: 0.72rem !important; text-transform: uppercase; letter-spacing: 0.12em; color: var(--paper) !important; border: 2px solid var(--paper) !important; border-radius: 0 !important; background: transparent; }
#headerLoginBtn:hover { background: var(--paper) !important; color: var(--ink) !important; }
#headerLoginBtn i { display: none; }

/* ── Piezas comunes ── */
#sp-app { display: block; }
.sp-wrap { max-width: 1080px; margin: 0 auto; padding: 0 1.25rem; }
.sp-wrap--narrow { max-width: 820px; }
.sp-eyebrow { font-family: var(--font-mono); font-size: 0.72rem; font-weight: 600; letter-spacing: 0.24em; text-transform: uppercase; color: var(--rojo); margin: 0 0 1rem; }
.sp-eyebrow--dark { color: var(--rojo-2); }
.sp-h2 { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; letter-spacing: -0.01em; line-height: 0.98; font-size: clamp(1.9rem, 4.6vw, 3.1rem); margin: 0 0 2rem; }
.sp-h2--dark { color: var(--ink); }

.sp-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; cursor: pointer;
  font-family: var(--font-mono); font-size: 0.78rem; font-weight: 600; letter-spacing: 0.1em; text-transform: uppercase; text-decoration: none;
  background: var(--rojo); color: var(--paper); border: 2px solid var(--ink); border-radius: 0; padding: 0.85rem 1.3rem;
  box-shadow: 4px 4px 0 var(--ink); transition: transform .12s, box-shadow .12s, background .12s;
}
.sp-btn:hover:not(:disabled) { transform: translate(-2px, -2px); box-shadow: 6px 6px 0 var(--ink); background: var(--rojo-2); }
.sp-btn:active:not(:disabled) { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.sp-btn:disabled { opacity: .6; cursor: progress; }
.sp-btn--ghost { background: transparent; color: var(--ink); }
.sp-btn--ghost:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.sp-btn--dark { background: var(--ink); color: var(--paper); box-shadow: 4px 4px 0 var(--rojo); }
.sp-btn--dark:hover:not(:disabled) { background: #000; box-shadow: 6px 6px 0 var(--rojo); }
.sp-btn--dark.sp-btn--ghost { background: transparent; color: var(--ink); box-shadow: 4px 4px 0 rgba(26,21,17,.25); }
.sp-btn--dark.sp-btn--ghost:hover:not(:disabled) { background: var(--ink); color: var(--paper); }
.sp-btn:focus-visible, .sp-tog:focus-visible, .sp-chip:focus-visible, .sp-row button:focus-visible, .sp-play:focus-visible, .sp-link:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; }

/* ═════════ HERO ═════════ */
.sp-hero { position: relative; background: var(--ink); color: var(--paper); overflow: hidden; padding: calc(var(--header-h, 64px) + 3.2rem) 0 0; }
.sp-hero::before {                   /* foco cálido de escenario */
  content: ''; position: absolute; inset: -20% -10% auto auto; width: 60%; height: 90%; pointer-events: none;
  background: radial-gradient(ellipse at 60% 30%, rgba(255,200,116,.10), transparent 65%);
}
.sp-hero-in { position: relative; max-width: 1180px; margin: 0 auto; padding: 0 1.25rem 3.6rem; display: grid; grid-template-columns: 1.08fr .92fr; gap: clamp(2rem, 5vw, 4.5rem); align-items: center; }
.sp-title { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; line-height: 0.88; letter-spacing: -0.015em; font-size: clamp(3rem, 8.4vw, 6.6rem); margin: 0 0 1.4rem; }
.sp-title span { display: block; animation: sp-stamp .7s cubic-bezier(.2,.9,.25,1.15) backwards; }
.sp-title span:nth-child(2) { animation-delay: .12s; }
.sp-title em { font-style: normal; color: var(--rojo); position: relative; display: inline-block; }
.sp-title em::after { content: ''; position: absolute; left: -2%; right: -2%; bottom: -.06em; height: .1em; background: var(--rojo); transform-origin: left; animation: sp-underline .6s .6s cubic-bezier(.3,.8,.2,1) backwards; }
@keyframes sp-stamp { from { opacity: 0; transform: translateY(38%) rotate(-2deg) scale(1.08); } to { opacity: 1; transform: none; } }
@keyframes sp-underline { from { transform: scaleX(0); } to { transform: scaleX(1); } }
.sp-lede { font-size: clamp(1.02rem, 1.6vw, 1.22rem); line-height: 1.55; max-width: 34em; color: rgba(244,239,227,.86); margin: 0 0 1.5rem; }
.sp-lede strong { color: var(--paper); }
.sp-trust { list-style: none; display: flex; flex-wrap: wrap; gap: .6rem; padding: 0; margin: 0; }
.sp-trust li { font-family: var(--font-mono); font-size: .7rem; letter-spacing: .14em; text-transform: uppercase; border: 2px solid var(--paper); padding: .4rem .75rem; }
.sp-trust li::before { content: '✶ '; color: var(--rojo); }

/* Tickets (entrada, trabajo, avisos) */
.sp-slot { position: relative; }
.sp-ticket {
  position: relative; display: flex; flex-direction: column; align-items: center; text-align: center; gap: .7rem;
  background: var(--paper); color: var(--ink); border: 2px solid #0c0a08; padding: 2rem 1.6rem 1.8rem;
  box-shadow: 10px 10px 0 var(--rojo); transform: rotate(-1deg); transition: transform .2s, box-shadow .2s, background .2s;
}
.sp-ticket::before {                 /* cinta adhesiva */
  content: ''; position: absolute; top: -13px; left: 50%; width: 92px; height: 24px; transform: translateX(-50%) rotate(-2deg); background: rgba(208,46,29,.88);
}
.sp-ticket::after { content: ''; position: absolute; inset: 10px; border: 1px dashed rgba(26,21,17,.38); pointer-events: none; }
.sp-ticket-top { align-self: stretch; display: flex; justify-content: space-between; gap: 1rem; font-family: var(--font-mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); padding: .4rem .5rem 0; }
.sp-ticket-top span:last-child { max-width: 55%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.sp-drop { cursor: pointer; padding-top: 2.2rem; padding-bottom: 2.3rem; }
.sp-drop:hover, .sp-drop.over { transform: rotate(0deg) translateY(-3px); box-shadow: 14px 14px 0 var(--rojo); }
.sp-drop.over { background: var(--rojo); color: var(--paper); }
.sp-drop.over .sp-ticket-top, .sp-drop.over .sp-drop-sub, .sp-drop.over .sp-drop-fmt { color: rgba(244,239,227,.85); }
.sp-drop:focus-within { outline: 3px solid var(--rojo); outline-offset: 5px; }
.sp-file { position: absolute; width: 1px; height: 1px; opacity: 0; overflow: hidden; }
.sp-drop-icon { color: var(--rojo); margin-top: .8rem; animation: sp-bob 2.2s ease-in-out infinite; }
.sp-drop.over .sp-drop-icon { color: var(--paper); }
@keyframes sp-bob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(6px); } }
.sp-drop-title { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: clamp(1.4rem, 2.6vw, 1.9rem); line-height: 1; }
.sp-drop-sub { font-size: 1rem; color: var(--muted); }
.sp-drop-fmt { font-family: var(--font-mono); font-size: .68rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); margin-top: .3rem; }

.sp-opt { display: flex; gap: .7rem; align-items: flex-start; margin: 1.7rem 0 0; font-size: .9rem; line-height: 1.4; color: rgba(244,239,227,.85); cursor: pointer; }
.sp-opt input { appearance: none; -webkit-appearance: none; flex: none; width: 22px; height: 22px; margin-top: 1px; border: 2px solid var(--paper); background: transparent; cursor: pointer; position: relative; }
.sp-opt input:checked { background: var(--rojo); border-color: var(--rojo); }
.sp-opt input:checked::after { content: ''; position: absolute; left: 5px; top: 1px; width: 6px; height: 12px; border: solid var(--paper); border-width: 0 3px 3px 0; transform: rotate(45deg); }
.sp-opt input:focus-visible { outline: 3px solid var(--rojo); outline-offset: 3px; }
.sp-opt b { color: var(--paper); }
.sp-note { font-size: .84rem; line-height: 1.5; color: rgba(244,239,227,.62); margin: .8rem 0 0; }
.sp-note b { color: var(--paper); }

/* Trabajo */
.sp-work { display: none; }
.sp-work-pct { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; line-height: 1; margin-top: .8rem; }
.sp-work-pct b { font-size: clamp(3.6rem, 9vw, 5.6rem); }
.sp-work-pct small { font-size: 1.6rem; margin-left: .1em; color: var(--rojo); }
.sp-bar { align-self: stretch; height: 18px; border: 2px solid var(--ink); background: var(--paper-2); overflow: hidden; }
.sp-bar i { display: block; height: 100%; width: 100%; transform: scaleX(0); transform-origin: left; transition: transform .35s ease-out;
  background: repeating-linear-gradient(-45deg, var(--rojo) 0 10px, var(--rojo-2) 10px 20px); background-size: 28px 28px; animation: sp-barber 1s linear infinite; }
@keyframes sp-barber { to { background-position: 28px 0; } }
.sp-work-phase { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; font-weight: 600; margin: .3rem 0 0; }
.sp-work-line { font-size: 1.05rem; min-height: 1.5em; margin: 0; }
.sp-work-eta { font-family: var(--font-mono); font-size: .8rem; color: var(--rojo-2); margin: 0; min-height: 1.2em; }
.sp-stuck { font-size: .9rem; line-height: 1.45; background: var(--ink); color: var(--paper); padding: .8rem 1rem; margin: .3rem 0 0; text-align: left; }
.sp-hint { font-size: .82rem; color: var(--muted); margin: .2rem 0 0; }
.sp-hint--dark { margin-top: 1.4rem; }
.sp-work .sp-btn { margin-top: .6rem; }

/* Avisos */
.sp-warn { display: none; padding-bottom: 2rem; }
.sp-warn-title { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: clamp(1.3rem, 2.4vw, 1.7rem); line-height: 1.05; margin-top: .8rem; }
.sp-warn p { margin: 0; line-height: 1.5; max-width: 30em; }
.sp-err-detail { font-family: var(--font-mono); font-size: .7rem !important; color: var(--muted); word-break: break-word; }

/* Estados → qué se ve */
#sp-app[data-state="checking"] .sp-drop { opacity: .55; pointer-events: none; }
#sp-app[data-state="decoding"] .sp-drop, #sp-app[data-state="model"] .sp-drop, #sp-app[data-state="working"] .sp-drop,
#sp-app[data-state="unsupported"] .sp-drop, #sp-app[data-state="error"] .sp-drop,
#sp-app[data-state="decoding"] .sp-opt, #sp-app[data-state="model"] .sp-opt, #sp-app[data-state="working"] .sp-opt,
#sp-app[data-state="unsupported"] .sp-opt, #sp-app[data-state="error"] .sp-opt,
#sp-app[data-state="decoding"] .sp-note, #sp-app[data-state="model"] .sp-note, #sp-app[data-state="working"] .sp-note,
#sp-app[data-state="unsupported"] .sp-note, #sp-app[data-state="error"] .sp-note,
#sp-app[data-state="result"] .sp-slot { display: none; }
#sp-app[data-state="decoding"] .sp-work, #sp-app[data-state="model"] .sp-work, #sp-app[data-state="working"] .sp-work { display: flex; }
#sp-app[data-state="unsupported"] #sp-unsupported, #sp-app[data-state="error"] #sp-error { display: flex; }
#sp-app[data-state="result"] .sp-hero-in { grid-template-columns: 1fr; padding-bottom: 2.4rem; }
#sp-app[data-state="result"] .sp-lede, #sp-app[data-state="result"] .sp-trust { display: none; }
#sp-app[data-state="result"] .sp-title { font-size: clamp(2.2rem, 5.4vw, 4rem); margin-bottom: 0; }

/* La banda (silueta de cada instrumento) */
.sp-band { position: relative; display: flex; justify-content: center; align-items: flex-end; gap: clamp(.4rem, 2.4vw, 2.2rem); padding: 0 1rem; height: clamp(150px, 24vw, 290px); }
.sp-band::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 12px; background: var(--rojo); }
#sp-app[data-state="result"] .sp-band { height: clamp(90px, 12vw, 150px); }
.sp-member { position: relative; margin: 0; height: var(--h, 100%); padding-bottom: 12px; animation: sp-rise .9s cubic-bezier(.2,.9,.25,1.1) backwards; animation-delay: calc(var(--i) * 90ms + .25s); }
.sp-member:nth-child(1) { --h: 88%; } .sp-member:nth-child(2) { --h: 100%; } .sp-member:nth-child(3) { --h: 94%; }
.sp-member:nth-child(4) { --h: 100%; } .sp-member:nth-child(5) { --h: 72%; } .sp-member:nth-child(6) { --h: 82%; }
.sp-member svg { display: block; height: 100%; width: auto; --sil-ink: var(--paper); --sil-paper: var(--ink); opacity: .16; transition: opacity .5s, transform .5s cubic-bezier(.2,.9,.25,1.3); transform: translateY(5%); }
.sp-member.on svg { opacity: 1; transform: translateY(0); }
.sp-member figcaption { position: absolute; left: 50%; bottom: 26px; transform: translateX(-50%) rotate(-3deg); background: var(--paper); color: var(--ink); border: 2px solid var(--ink); font-family: var(--font-mono); font-size: clamp(.5rem, 1.1vw, .66rem); font-weight: 600; letter-spacing: .12em; text-transform: uppercase; padding: .16rem .5rem; white-space: nowrap; opacity: 0; transition: opacity .4s; }
.sp-member.on figcaption { opacity: 1; }
.sp-member:nth-child(even) figcaption { transform: translateX(-50%) rotate(2deg); }
@keyframes sp-rise { from { transform: translateY(105%); } to { transform: translateY(0); } }
#sp-app[data-state="working"] .sp-member.on svg { animation: sp-hop .6s ease-out; }
@keyframes sp-hop { 0% { transform: translateY(0); } 35% { transform: translateY(-5%); } 100% { transform: translateY(0); } }

/* ═════════ RESULTADO ═════════ */
.sp-result { display: none; background: var(--paper); color: var(--ink); border-top: 2px solid var(--ink); padding: 3rem 1.25rem 4rem; }
#sp-app[data-state="result"] .sp-result { display: block; animation: sp-fade .5s ease-out; }
@keyframes sp-fade { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
.sp-result-in { max-width: 1080px; margin: 0 auto; }
.sp-res-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 1.5rem; margin-bottom: 1.8rem; flex-wrap: wrap; }
.sp-res-title { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; line-height: 1; letter-spacing: -.01em; font-size: clamp(1.5rem, 3.6vw, 2.5rem); margin: 0 0 .5rem; overflow-wrap: anywhere; }
.sp-res-meta { font-family: var(--font-mono); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin: 0 0 1rem; }
.sp-detected-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.sp-detected { list-style: none; display: flex; flex-wrap: wrap; gap: .45rem; padding: 0; margin: 0; }
.sp-detected li { background: var(--ink); color: var(--paper); padding: .32rem .7rem; letter-spacing: .1em; }
.sp-detected li::before { content: '✶ '; color: var(--rojo); }

/* Consola (transporte) — se queda fijada al hacer scroll */
.sp-console {
  position: sticky; top: calc(var(--header-h, 64px) + 10px); z-index: 30;
  display: grid; grid-template-columns: 58px minmax(0, 1fr) auto auto; gap: .9rem; align-items: center;
  background: var(--ink); color: var(--paper); border: 2px solid var(--ink); padding: .7rem; box-shadow: 7px 7px 0 var(--rojo); margin-bottom: 1.4rem;
}
.sp-play { width: 58px; height: 58px; display: grid; place-items: center; cursor: pointer; background: var(--rojo); color: var(--paper); border: 2px solid var(--paper); border-radius: 0; transition: background .12s, transform .12s; }
.sp-play:hover { background: var(--rojo-2); transform: scale(1.04); }
.sp-play .i-pause { display: none; } .sp-play[aria-pressed="true"] .i-pause { display: block; } .sp-play[aria-pressed="true"] .i-play { display: none; }
.sp-master { position: relative; height: 58px; cursor: pointer; touch-action: none; background: rgba(244,239,227,.06); overflow: hidden; }
.sp-master canvas, .sp-wave canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; }
.sp-master::before, .sp-wave::before { content: ''; position: absolute; inset: 0 auto 0 0; width: calc(var(--p, 0) * 100%); background: rgba(208,46,29,.3); pointer-events: none; }
.sp-ph { position: absolute; top: 0; bottom: 0; left: calc(var(--p, 0) * 100%); width: 2px; margin-left: -1px; background: var(--rojo); z-index: 2; pointer-events: none; }
.sp-master .sp-ph { background: #ff5a44; }
.sp-time { font-family: var(--font-mono); font-size: .82rem; letter-spacing: .06em; white-space: nowrap; min-width: 7.6em; text-align: right; }
.sp-console-tog { display: flex; gap: .4rem; }
.sp-tog { font-family: var(--font-mono); font-size: .68rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; cursor: pointer; background: transparent; color: var(--paper); border: 2px solid var(--paper); border-radius: 0; padding: .5rem .7rem; }
.sp-tog:hover { background: rgba(244,239,227,.14); }
.sp-tog[aria-pressed="true"] { background: var(--paper); color: var(--ink); }

.sp-presets-wrap { display: flex; flex-wrap: wrap; align-items: center; gap: .7rem 1rem; margin-bottom: 1.6rem; font-family: var(--font-mono); font-size: .68rem; letter-spacing: .2em; text-transform: uppercase; color: var(--muted); }
.sp-presets { display: flex; flex-wrap: wrap; gap: .5rem; }
.sp-chip { font-family: var(--font-mono); font-size: .7rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; cursor: pointer; background: transparent; color: var(--ink); border: 2px solid var(--ink); border-radius: 0; padding: .45rem .8rem; transition: background .12s, color .12s; }
.sp-chip:hover { background: var(--ink); color: var(--paper); }
.sp-chip.on { background: var(--rojo); border-color: var(--rojo); color: var(--paper); }

/* Filas: un músico por pista */
.sp-lineup { transition: opacity .3s; }
#sp-app.comparing .sp-lineup { opacity: .35; }
.sp-row { display: grid; grid-template-columns: 78px minmax(0, 1fr) auto; gap: 1.1rem; align-items: center; background: #fbf8ef; border: 2px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); padding: .85rem; margin: 0 6px 1.2rem 0; transition: opacity .2s, filter .2s; }
.sp-row[data-present="0"] { display: none; border-style: dashed; box-shadow: none; }
.sp-lineup.show-empty .sp-row[data-present="0"] { display: grid; }
.sp-row.is-off { opacity: .48; filter: grayscale(.6); }
.sp-badge { position: relative; width: 78px; height: 78px; background: var(--ink); overflow: hidden; border: 2px solid var(--ink); }
.sp-badge svg { position: absolute; left: 50%; top: 50%; height: 168%; width: auto; transform: translate(-50%, -50%) rotate(38deg); --sil-ink: var(--paper); --sil-paper: var(--ink); }
.sp-row[data-key="drums"] .sp-badge svg { height: 122%; transform: translate(-50%, -48%) rotate(0deg); }
.sp-row[data-key="piano"] .sp-badge svg { height: 120%; transform: translate(-50%, -50%) rotate(0deg); }
.sp-row[data-key="other"] .sp-badge svg { height: 150%; transform: translate(-50%, -50%) rotate(28deg); }
.sp-row-head { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: .45rem; }
.sp-row-head h3 { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: 1.15rem; line-height: 1; margin: 0; }
.sp-lvl { font-family: var(--font-mono); font-size: .66rem; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); }
.sp-wave { position: relative; height: 66px; cursor: pointer; touch-action: none; background: repeating-linear-gradient(90deg, rgba(26,21,17,.05) 0 1px, transparent 1px 24px); border-top: 1px solid rgba(26,21,17,.2); border-bottom: 1px solid rgba(26,21,17,.2); overflow: hidden; }
.sp-row-ctrl { display: flex; align-items: center; gap: .5rem; }
.sp-row-ctrl button { width: 42px; height: 42px; display: grid; place-items: center; cursor: pointer; font-family: var(--font-mono); font-size: .9rem; font-weight: 700; background: var(--paper); color: var(--ink); border: 2px solid var(--ink); border-radius: 0; padding: 0; transition: background .1s, color .1s; }
.sp-row-ctrl button:hover { background: var(--ink); color: var(--paper); }
.sp-m[aria-pressed="true"] { background: var(--ink) !important; color: var(--paper) !important; }
.sp-s[aria-pressed="true"] { background: var(--rojo) !important; border-color: var(--rojo) !important; color: var(--paper) !important; }
.sp-vol { -webkit-appearance: none; appearance: none; width: 96px; height: 24px; background: transparent; cursor: pointer; margin: 0 .3rem; }
.sp-vol::-webkit-slider-runnable-track { height: 5px; background: var(--ink); }
.sp-vol::-moz-range-track { height: 5px; background: var(--ink); }
.sp-vol::-webkit-slider-thumb { -webkit-appearance: none; width: 16px; height: 22px; margin-top: -8.5px; background: var(--rojo); border: 2px solid var(--ink); border-radius: 0; }
.sp-vol::-moz-range-thumb { width: 12px; height: 18px; background: var(--rojo); border: 2px solid var(--ink); border-radius: 0; }
.sp-vol:focus-visible { outline: 3px solid var(--rojo); outline-offset: 2px; }

.sp-link { display: inline-block; background: none; border: 0; padding: .3rem 0; margin: -.3rem 0 1rem; cursor: pointer; font-family: var(--font-mono); font-size: .74rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.sp-export { display: flex; flex-wrap: wrap; gap: 1rem; margin-top: 1.6rem; }
.sp-legal { font-size: .8rem; line-height: 1.5; color: var(--muted); margin: 1.2rem 0 0; max-width: 46em; }

/* ═════════ CÓMO FUNCIONA / PARA QUÉ / FAQ / CIERRE ═════════ */
.sp-how { background: var(--paper); color: var(--ink); border-top: 2px solid var(--ink); padding: 5rem 0; }
.sp-steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; padding: 0; margin: 0; counter-reset: s; }
.sp-steps li { position: relative; border: 2px solid var(--ink); background: #fbf8ef; box-shadow: 6px 6px 0 var(--ink); padding: 2.6rem 1.5rem 1.6rem; }
.sp-steps li:nth-child(2) { transform: rotate(.7deg); } .sp-steps li:nth-child(3) { transform: rotate(-.5deg); }
.sp-stamp { position: absolute; top: -20px; left: 1.2rem; width: 46px; height: 46px; display: grid; place-items: center; background: var(--rojo); color: var(--paper); border: 2px solid var(--ink); font-family: var(--font-display); font-stretch: 125%; font-weight: 900; font-size: 1.4rem; transform: rotate(-6deg); }
.sp-steps h3 { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: 1.15rem; margin: 0 0 .6rem; line-height: 1.05; }
.sp-steps p { margin: 0; line-height: 1.55; color: #3a332b; }

.sp-uses { background: var(--ink); color: var(--paper); padding: 5rem 0; border-top: 2px solid var(--paper); }
.sp-uses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1.5rem; }
.sp-uses-grid article { border: 2px solid var(--paper); padding: 1.5rem; position: relative; }
.sp-uses-grid article::before { content: '✶'; color: var(--rojo); font-size: 1.3rem; display: block; margin-bottom: .5rem; }
.sp-uses-grid h3 { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: 1.15rem; margin: 0 0 .5rem; line-height: 1.05; }
.sp-uses-grid p { margin: 0; line-height: 1.55; color: rgba(244,239,227,.8); }

.sp-faq { background: var(--paper); color: var(--ink); padding: 5rem 0; border-top: 2px solid var(--ink); }
.sp-faq details { border-top: 2px solid var(--ink); }
.sp-faq details:last-of-type { border-bottom: 2px solid var(--ink); }
.sp-faq summary { list-style: none; cursor: pointer; padding: 1.2rem 2.4rem 1.2rem 0; position: relative; font-family: var(--font-display); font-stretch: 112%; font-weight: 800; font-size: 1.1rem; }
.sp-faq summary::-webkit-details-marker { display: none; }
.sp-faq summary::after { content: '+'; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-family: var(--font-mono); font-size: 1.6rem; color: var(--rojo); }
.sp-faq details[open] summary::after { content: '–'; }
.sp-faq summary:focus-visible { outline: 3px solid var(--rojo); outline-offset: 2px; }
.sp-faq details p { margin: 0 0 1.3rem; line-height: 1.6; color: #3a332b; max-width: 44em; }

.sp-cta { background: var(--rojo); color: var(--paper); padding: 5rem 0; text-align: center; border-top: 2px solid var(--ink); }
.sp-cta-title { font-family: var(--font-display); font-stretch: 125%; font-weight: 900; text-transform: uppercase; font-size: clamp(2rem, 5.4vw, 3.8rem); line-height: .95; margin: 0 0 1rem; }
.sp-cta p { font-size: 1.1rem; margin: 0 0 1.8rem; }
.sp-cta-row { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.sp-cta .sp-btn { background: var(--ink); color: var(--paper); box-shadow: 4px 4px 0 rgba(0,0,0,.35); }
.sp-cta .sp-btn:hover { background: #000; }
.sp-cta .sp-btn--ghost { background: transparent; border-color: var(--paper); color: var(--paper); box-shadow: none; }
.sp-cta .sp-btn--ghost:hover { background: var(--paper); color: var(--ink); }

/* ═════════ RESPONSIVE ═════════ */
@media (max-width: 900px) {
  .sp-hero-in { grid-template-columns: 1fr; gap: 2.4rem; padding-bottom: 3rem; }
  .sp-steps { grid-template-columns: 1fr; gap: 2.2rem; }
  .sp-uses-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .sp-console { grid-template-columns: 52px minmax(0, 1fr); row-gap: .7rem; padding: .6rem; }
  .sp-play { width: 52px; height: 52px; } .sp-master { height: 52px; }
  .sp-time { grid-column: 1; grid-row: 2; text-align: left; min-width: 0; }
  .sp-console-tog { grid-column: 2; grid-row: 2; justify-content: flex-end; }
  .sp-row { grid-template-columns: 58px minmax(0, 1fr); gap: .8rem; }
  .sp-badge { width: 58px; height: 58px; }
  .sp-row-ctrl { grid-column: 1 / -1; justify-content: space-between; }
  .sp-vol { flex: 1; width: auto; min-width: 70px; }
  .sp-ticket { padding: 1.7rem 1.1rem 1.5rem; box-shadow: 7px 7px 0 var(--rojo); }
}
@media (prefers-reduced-motion: reduce) {
  .sp-title span, .sp-title em::after, .sp-member, .sp-drop-icon, .sp-bar i, #sp-app.comparing, .sp-result { animation: none !important; }
  html { scroll-behavior: auto; }
}