/* ═══════════════════════════════════════════════════════════════════
   HALYON — caso.css
   Páginas de proyectos: portada con web + celular, pantallas para el
   cliente, visor interactivo "por dentro", antes/ahora y con qué está hecho.
   Se suma a base/sections/detail/mejoras para mantener el estilo de la landing.
   ═══════════════════════════════════════════════════════════════════ */

.case-title .grad, .case-block .grad {
  background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent;
}
.case-acciones { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.case-hero .case-acciones .btn { margin-top: 0; }

/* ─── Portada: la web y, encima, el celular ─────────────────────── */
.duo { position: relative; padding-bottom: 8%; }
.duo .shotframe { width: 92%; }
.duo .celu { position: absolute; right: 0; bottom: 0; width: 27%; }
.celu {
  border-radius: 34px; padding: 7px; background: #111114;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.08) inset, 0 40px 70px -30px rgba(21,18,31,0.6);
}
.celu img { display: block; width: 100%; height: auto; border-radius: 28px; }

/* ─── Para sus clientes: texto + tres celulares ─────────────────── */
.clientes { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: clamp(32px, 5vw, 72px); align-items: center; }
.clientes-lista { list-style: none; margin: 26px 0 0; padding: 0; display: grid; gap: 16px; }
.clientes-lista li { padding-left: 22px; position: relative; color: var(--ink-dim); font-size: 16px; line-height: 1.55; }
.clientes-lista li::before {
  content: ""; position: absolute; left: 0; top: 0.55em; width: 8px; height: 8px; border-radius: 50%; background: var(--gradient);
}
.clientes-lista b { color: var(--ink); font-weight: 500; }
.celus { display: flex; justify-content: center; gap: clamp(10px, 1.6vw, 20px); }
.celus .celu { width: 31%; }
.celus .celu:nth-child(2) { transform: translateY(-28px); }

/* ─── Visor "por dentro": pestañas + pantalla ───────────────────── */
.visor { display: grid; grid-template-columns: minmax(230px, 300px) minmax(0, 1fr); gap: clamp(24px, 3.5vw, 48px); align-items: start; }
.visor-tabs { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; position: sticky; top: 104px; }
.visor-tab {
  position: relative; width: 100%; text-align: left; padding: 14px 16px 15px; border-radius: 14px;
  color: var(--ink-dim); transition: background 0.35s var(--ease), color 0.35s var(--ease);
  overflow: hidden;
}
.visor-tab b { display: block; font-size: 16px; font-weight: 500; letter-spacing: -0.01em; }
.visor-tab span { display: block; font-size: 14px; line-height: 1.5; color: var(--ink-dim); margin-top: 6px;
  max-height: 0; opacity: 0; transition: max-height 0.45s var(--ease), opacity 0.35s var(--ease); }
.visor-tab:hover { color: var(--ink); background: var(--ink-ghost); }
.visor-tab[aria-selected="true"] {
  color: var(--ink); background: var(--bg-card);
  box-shadow: 0 1px 0 rgba(255,255,255,0.8) inset, 0 18px 36px -26px rgba(21,18,31,0.45);
}
.visor-tab[aria-selected="true"] span { max-height: 96px; opacity: 1; }
.visor-tab::after {                         /* avance automático */
  content: ""; position: absolute; left: 16px; right: 16px; bottom: 6px; height: 2px; border-radius: 2px;
  background: var(--gradient); transform-origin: left; transform: scaleX(0);
}
.visor.auto .visor-tab[aria-selected="true"]::after { animation: visorAvance var(--visor-ms, 6500ms) linear forwards; }
@keyframes visorAvance { to { transform: scaleX(1); } }

.visor-pantalla { position: relative; }
.visor-pantalla .shotframe { position: relative; }
.visor-imgs { position: relative; }
.visor-imgs img { display: block; width: 100%; height: auto; }
.visor-imgs img + img { position: absolute; inset: 0; }
.visor-imgs img { opacity: 0; transition: opacity 0.5s var(--ease); }
.visor-imgs img.activa { opacity: 1; }
.visor-desc { display: none; }

@media (max-width: 900px) {
  .visor { grid-template-columns: 1fr; }
  .visor-tabs {
    position: static; display: flex; gap: 22px; overflow-x: auto; padding: 0 2px 8px; scrollbar-width: none;
    -webkit-mask: linear-gradient(90deg, #000 85%, transparent); mask: linear-gradient(90deg, #000 85%, transparent);
  }
  .visor-tabs::-webkit-scrollbar { display: none; }
  .visor-tab { flex: none; width: auto; padding: 8px 0 10px; border-radius: 0; background: none !important; box-shadow: none !important; }
  .visor-tab span { display: none; }
  .visor-tab b { white-space: nowrap; }
  .visor-tab::after { left: 0; right: 0; bottom: 0; }
  .visor-tab[aria-selected="true"]::after { transform: scaleX(1); }
  .visor-desc { display: block; margin-top: 18px; color: var(--ink-dim); font-size: 15.5px; line-height: 1.55; min-height: 3em; }
}

/* ─── Antes / ahora ─────────────────────────────────────────────── */
.antes-ahora { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(18px, 2.5vw, 28px); }
.aa-col { border-radius: 22px; padding: clamp(22px, 2.6vw, 32px); border: 1px solid var(--line-soft); background: var(--bg-card); }
.aa-col.ahora { background: var(--night); color: #fff; border-color: transparent; box-shadow: 0 40px 70px -40px rgba(125,84,253,0.55); }
.aa-col h3 { font-size: 15px; font-weight: 500; color: var(--ink-faint); letter-spacing: -0.005em; }
.aa-col.ahora h3 { color: var(--night-dim); }
.aa-col ul { list-style: none; margin: 18px 0 0; padding: 0; display: grid; gap: 14px; }
.aa-col li { font-size: 16.5px; line-height: 1.5; padding-left: 26px; position: relative; }
.aa-col li::before {
  content: ""; position: absolute; left: 0; top: 0.35em; width: 15px; height: 15px; background: currentColor; opacity: 0.35;
  -webkit-mask: url(/assets/icons/lucide-chevron-down.svg) center / contain no-repeat; mask: url(/assets/icons/lucide-chevron-down.svg) center / contain no-repeat;
  transform: rotate(-90deg);
}
.aa-col.ahora li::before {
  opacity: 1; background: var(--gradient); transform: none;
  -webkit-mask-image: url(/assets/icons/lucide-check.svg); mask-image: url(/assets/icons/lucide-check.svg);
}

/* ─── Con qué está hecho (en palabras simples) ─────────────────── */
.hecho { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(24px, 3vw, 40px); margin: 0; }
.hecho div { padding: 18px 0; border-top: 1px solid var(--line); }
.hecho dt { font-size: 13.5px; color: var(--ink-faint); }
.hecho dd { margin: 4px 0 0; font-size: 17px; font-weight: 500; letter-spacing: -0.01em; }

@media (max-width: 900px) {
  .clientes, .antes-ahora { grid-template-columns: 1fr; }
  .hecho { grid-template-columns: 1fr 1fr; }
  .duo .celu { width: 30%; }
}
@media (max-width: 560px) {
  .hecho { grid-template-columns: 1fr; }
  .celus .celu:nth-child(2) { transform: translateY(-14px); }
}
@media (prefers-reduced-motion: reduce) {
  .visor-imgs img { transition: none; }
  .visor.auto .visor-tab[aria-selected="true"]::after { animation: none; }
}