/* Portada y footer */

#landing { max-width: none; padding: 0; }
.button.big, button.big { padding: 11px 20px; font-size: 16px; border-radius: 9px; }

.section { max-width: 1120px; margin: 0 auto; padding: 64px 24px; }
.section h2, .closing h2 { margin: 0 0 16px; font-size: clamp(26px, 4vw, 38px); line-height: 1.1; }
.lead { margin: 0 0 24px; max-width: 60ch; color: var(--muted); font-size: 17px; }

/* Portada: el mosaico es la promesa del producto, una banda repartida en cuadros. */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 48px; max-width: 1120px; margin: 0 auto; padding: 72px 24px 56px; }
.eyebrow { margin: 0 0 14px; color: var(--c-yellow); font-weight: 600; }
.hero h1 { margin: 0 0 20px; font-size: clamp(40px, 6.4vw, 68px); font-weight: 800; line-height: 1; letter-spacing: -.025em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }

.mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; padding: 8px; background: #0c0a08; border: 1px solid var(--line); border-radius: 14px; }
.mosaic-tile { position: relative; display: flex; align-items: flex-end; justify-content: space-between; gap: 8px; aspect-ratio: 16 / 11; padding: 12px; border-radius: 8px; overflow: hidden; }
.mosaic-tile span { position: relative; padding: 2px 7px; border-radius: 5px; background: rgba(12, 10, 8, .72); font-size: 13px; }
.tile-voice { background: linear-gradient(150deg, #ef6a95, #742243); }
.tile-guitar { background: linear-gradient(150deg, #ff8a4c, #7c3513); }
.tile-bass { background: linear-gradient(150deg, #35c2ae, #125449); }
.tile-drums { background: linear-gradient(150deg, #f2c14e, #7b5a12); }

.eq { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; gap: 7%; opacity: .85; }
.eq i { width: 7%; height: 55%; background: rgba(255, 248, 238, .9); border-radius: 99px; transform-origin: center; animation: eq 1.2s ease-in-out infinite alternate; }
.eq i:nth-child(2) { animation-delay: -.5s; }
.eq i:nth-child(3) { animation-delay: -.9s; }
.eq i:nth-child(4) { animation-delay: -.3s; }
.eq i:nth-child(5) { animation-delay: -.7s; }
@keyframes eq { from { transform: scaleY(.25); } to { transform: scaleY(1); } }

/* Pasos */
.steps { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 28px; margin: 28px 0 0; padding: 0; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; padding-top: 14px; border-top: 3px solid var(--c-orange); }
.steps li:nth-child(2) { border-color: var(--c-yellow); }
.steps li:nth-child(3) { border-color: var(--c-teal); }
.steps li:nth-child(4) { border-color: var(--c-pink); }
.steps li::before { content: counter(step); display: block; margin-bottom: 8px; font: 800 30px var(--display); }
.steps strong { font-size: 17px; }
.steps p { margin: 6px 0 0; color: var(--muted); }

/* Las pistas arrancan corridas y se alinean al entrar en pantalla: los picos quedan bajo la misma línea. */
.sync { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); align-items: center; gap: 48px; }
.sync .lead { margin-bottom: 0; }
.waves { position: relative; display: grid; gap: 10px; padding: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: 14px; overflow: hidden; }
.wave-row { display: flex; align-items: center; gap: 2px; height: 46px; transform: translateX(var(--shift)); transition: transform 1.6s cubic-bezier(.2, .8, .2, 1) .25s; }
.waves.aligned .wave-row { transform: none; }
.wave-row i { flex: 0 0 auto; width: 3px; border-radius: 2px; background: var(--color); }
.wave-playhead { position: absolute; top: 0; bottom: 0; left: 45%; width: 2px; background: var(--text); opacity: .8; }

/* Ilustraciones de pantallas */
.shots { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.shots figure { margin: 0; }
.shots figcaption { margin-top: 12px; color: var(--muted); }
.shot { display: grid; align-content: start; min-height: 100%; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.shots figure { display: grid; grid-template-rows: 1fr auto; }
.shot-title { display: flex; justify-content: space-between; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--line); font: 700 16px var(--display); }
.shot-title span { color: var(--muted); font: 400 13px Figtree, system-ui, sans-serif; }
.shot-row { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 10px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.shot-row:last-child { border-bottom: 0; }
.shot-row b { min-width: 72px; }
.shot-row .dim { color: var(--muted); }
.shot-row .ok { color: var(--good); }
.shot-row u { margin-left: auto; padding: 2px 10px; border-radius: 6px; background: var(--accent); color: var(--on-accent); font-size: 12px; font-weight: 600; text-decoration: none; }
.shot-row u.ghost { background: var(--raised); color: var(--text); }
.mini-mosaic { display: grid; grid-template-columns: 1fr 1fr; gap: 4px; padding: 10px 14px; border-bottom: 1px solid var(--line); }
.mini-mosaic i { aspect-ratio: 16 / 7; border-radius: 4px; }

/* Promesas */
.promise-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; margin-top: 12px; }
.promise-list strong { font: 700 19px var(--display); }
.promise-list p { margin: 6px 0 0; color: var(--muted); }

#demo-list video { pointer-events: auto; }
.demo-card { display: grid; gap: 4px; min-width: 0; padding-bottom: 12px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; overflow: hidden; }
.demo-card video { width: 100%; aspect-ratio: 16 / 9; background: #000; }
.demo-card strong, .demo-card span { padding: 0 12px; }
.demo-card span { color: var(--muted); font-size: 13px; }

.closing { padding: 72px 24px; background: var(--accent); color: var(--on-accent); text-align: center; }
.closing h2 { max-width: 20ch; margin: 0 auto 24px; font-weight: 800; }
.closing .button { background: var(--on-accent); border-color: var(--on-accent); color: var(--text); }

.auth-switch { margin: 14px 0 0; color: var(--muted); }
#auth .card { margin: 32px auto; max-width: 420px; }

footer { display: grid; grid-template-columns: 1fr auto; gap: 16px 32px; align-items: center; padding: 28px 24px; border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; }
footer p { margin: 0; }
.footer-brand p { margin-top: 6px; }
.footer-links { display: flex; gap: 8px 20px; flex-wrap: wrap; margin: 0; padding: 0; list-style: none; }
.footer-copy { grid-column: 1 / -1; font-size: 13px; }
/* Mientras se trabaja en un proyecto, el footer no le saca lugar al transporte. */
body.in-project footer { display: none; }

@media (max-width: 860px) {
  .hero, .sync, .shots { grid-template-columns: minmax(0, 1fr); }
  .hero { padding-top: 40px; gap: 32px; }
  .section { padding: 44px 16px; }
  .steps { grid-template-columns: 1fr 1fr; }
  .promise-list { grid-template-columns: minmax(0, 1fr); }
  #nav-public .nav-link { display: none; }
}

@media (max-width: 520px) {
  header { gap: 12px; }
  #nav-public { flex-wrap: nowrap; gap: 12px; }
  #nav-public .button { padding: 5px 9px; font-size: 14px; white-space: nowrap; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  footer { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .eq i { animation: none; transform: scaleY(.6); }
  .wave-row { transition: none; transform: none; }
}