/* Cartagena en AR — paleta "Caribe claro": arena, azul mar, amarillo colonial y buganvilia. */
:root {
  --arena: #fbf7ef;
  --arena-2: #f4ecdc;
  --blanco: #ffffff;
  --mar: #12344d;          /* texto y títulos */
  --mar-2: #1e4d6e;
  --texto: #24435b;
  --texto-suave: #5e7182;
  --linea: #e8dfcd;
  --linea-fuerte: #d6c9ae;
  --amarillo: #f2b705;     /* acento principal */
  --amarillo-2: #ffc928;
  --buganvilia: #e8505b;   /* secundario */
  --buganvilia-2: #d43e49;
  --radio: 20px;
  --sombra: 0 10px 30px rgba(18, 52, 77, .10);
  --sombra-fuerte: 0 24px 60px rgba(18, 52, 77, .18);
  --escena: radial-gradient(ellipse 60% 55% at 50% 45%, #ffffff 0%, #fbf7ef 55%, #f1e7d3 100%);
  --serif: 'Fraunces', 'Iowan Old Style', 'Palatino Linotype', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, Arial, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body { font-family: var(--sans); background: var(--arena); color: var(--texto); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--mar-2); }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; line-height: 1.05; margin: 0; color: var(--mar); letter-spacing: -0.01em; }
.contenedor { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.etiqueta-sup { font-size: 12px; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--buganvilia); }

/* --- Botones --- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--linea-fuerte); background: var(--blanco); color: var(--mar);
  padding: 11px 18px; border-radius: 999px; font: inherit; font-weight: 600; font-size: 15px;
  cursor: pointer; text-decoration: none; min-height: 44px; transition: border-color .2s, background .2s, color .2s, box-shadow .2s;
}
.btn:hover { border-color: var(--mar); }
.btn-primario { background: var(--amarillo); border-color: var(--amarillo); color: var(--mar); box-shadow: 0 6px 18px rgba(242, 183, 5, .35); }
.btn-primario:hover { background: var(--amarillo-2); border-color: var(--amarillo-2); }
.btn-mar { background: var(--buganvilia); border-color: var(--buganvilia); color: #fff; }
.btn-mar:hover { background: var(--buganvilia-2); border-color: var(--buganvilia-2); }
.btn[aria-pressed="true"] { background: var(--mar); border-color: var(--mar); color: #fff; }
.btn svg { width: 18px; height: 18px; flex: none; }

/* --- Portada --- */
.portada { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; min-height: min(100dvh, 860px); overflow: hidden; }
.portada .lado-texto { position: relative; z-index: 1; padding: 36px 48px 48px; display: flex; flex-direction: column; }
.portada .marca { display: flex; align-items: center; justify-content: space-between; gap: 8px 12px; flex-wrap: wrap; }
.portada .marca .etiqueta-sup { white-space: nowrap; }
.portada .marca nav { display: flex; gap: 2px; flex-wrap: wrap; margin-right: -10px; }
.portada .marca nav a { color: var(--texto-suave); text-decoration: none; font-size: 14px; font-weight: 500; padding: 8px 10px; border-radius: 999px; white-space: nowrap; }
.portada .marca nav a:hover { color: var(--mar); background: var(--arena-2); }
.portada h1 { font-size: clamp(44px, 7vw, 96px); margin-top: auto; }
.portada h1 em { font-style: italic; color: var(--buganvilia); }
.portada p.intro { color: var(--texto-suave); font-size: clamp(16px, 1.6vw, 19px); max-width: 520px; margin: 22px 0 0; }
.portada .acciones { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 28px; }
.portada .escenario-portada { position: relative; height: 340px; margin-top: 30px; border-radius: var(--radio); background: var(--escena); border: 1px solid var(--linea); }
.portada .foco { display: none; }
.portada model-viewer, .tarjeta model-viewer { --progress-bar-height: 0px; --progress-bar-color: transparent; }
.portada model-viewer { width: 100%; height: 100%; background: transparent; --poster-color: transparent; }
.portada .lado-piedra {
  position: relative; background: var(--amarillo);
  display: flex; align-items: center; justify-content: center; padding: 40px;
}
.portada .lado-piedra::after {
  content: ''; position: absolute; inset: 0; background: url('img/piedra-clara.webp') center / 700px auto;
  opacity: .22; mix-blend-mode: soft-light; pointer-events: none;
}
.portada .lado-piedra .celular { z-index: 1; }
.portada .lado-piedra::before {
  content: ''; position: absolute; inset: auto 0 0 0; height: 26%;
  background: var(--mar); clip-path: polygon(0 35%, 100% 0, 100% 100%, 0 100%);
}

/* Celular con QR (patrón "escanéame") */
.celular {
  position: relative; width: 250px; aspect-ratio: 9 / 19; border-radius: 38px; padding: 10px;
  background: #0e2233; box-shadow: var(--sombra-fuerte), inset 0 0 0 2px #24435b;
}
.celular .pantalla { width: 100%; height: 100%; border-radius: 30px; overflow: hidden; background: var(--arena); position: relative; }
.celular .pantalla img { width: 100%; height: 72%; object-fit: contain; background: var(--escena); }
.celular .pantalla .pie-cel { padding: 10px 14px; }
.celular .pantalla .pie-cel strong { font-family: var(--serif); font-size: 18px; color: var(--mar); font-weight: 600; display: block; }
.celular .pantalla .pie-cel span { font-size: 12px; color: var(--texto-suave); }
.celular .boton-cel { margin-top: 8px; background: var(--amarillo); color: var(--mar); font-size: 12px; font-weight: 700; border-radius: 999px; padding: 7px 10px; text-align: center; }
.qr-flotante {
  position: absolute; left: -96px; top: 18%; width: 150px; padding: 12px 12px 8px; background: #fff; border-radius: 16px;
  box-shadow: var(--sombra-fuerte); transform: rotate(-6deg); text-align: center;
}
.qr-flotante svg { width: 100%; height: auto; display: block; }
.escanea { z-index: 2; position: absolute; left: -110px; top: calc(18% + 190px); font-family: var(--serif); font-style: italic; font-weight: 600; font-size: 22px; color: var(--mar); transform: rotate(-6deg); }
.escanea::before { content: '↗'; margin-right: 6px; color: var(--buganvilia); font-style: normal; }

@media (max-width: 900px) {
  .portada { grid-template-columns: 1fr; min-height: 0; }
  .portada .lado-texto { padding: 24px 20px 30px; }
  .portada h1 { margin-top: 36px; }
  .portada .escenario-portada { height: 300px; }
  .portada .lado-piedra { min-height: 520px; }
  .qr-flotante { left: -40px; width: 120px; }
  .escanea { left: -40px; top: calc(18% - 34px); font-size: 18px; }
}

/* --- Salas (secciones) --- */
.sala { padding: 72px 0 8px; }
.sala .cabeza-sala { display: grid; grid-template-columns: auto 1fr; gap: 6px 22px; align-items: end; margin-bottom: 26px; }
.sala .numero { font-family: var(--serif); font-weight: 600; font-size: 64px; line-height: .8; color: var(--amarillo); grid-row: span 2; }
.sala h2 { font-size: clamp(30px, 4vw, 46px); }
.sala .cabeza-sala p { color: var(--texto-suave); margin: 0; max-width: 640px; }

/* --- Tarjetas --- */
.rejilla { display: grid; gap: 18px; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr)); }
.tarjeta {
  position: relative; background: var(--blanco); border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden;
  display: flex; flex-direction: column; box-shadow: var(--sombra); transition: transform .3s, box-shadow .3s;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: var(--sombra-fuerte); }
.tarjeta .imagen { position: relative; aspect-ratio: 1 / 1; background: var(--escena); display: block; }
.tarjeta .imagen img, .tarjeta .imagen model-viewer { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; }
.tarjeta .imagen model-viewer { background: transparent; --poster-color: transparent; opacity: 0; transition: opacity .4s; }
.tarjeta .imagen model-viewer.visible { opacity: 1; }
.tarjeta .cuerpo { padding: 14px 18px 18px; display: flex; flex-direction: column; gap: 4px; flex: 1; border-top: 1px solid var(--linea); }
.tarjeta h3 { font-size: 24px; }
.tarjeta .variante { color: var(--texto-suave); font-size: 14px; }
.tarjeta .pie { display: flex; gap: 8px; margin-top: auto; padding-top: 14px; }
.tarjeta .pie .btn { font-size: 14px; min-height: 40px; padding: 8px 14px; }
.chip { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--mar-2); width: fit-content; }
.chip.ocre { color: var(--buganvilia); }

.banda-comparar {
  position: relative; display: grid; grid-template-columns: 1fr 1fr 1.1fr; align-items: stretch;
  border: 1px solid var(--linea); border-radius: var(--radio); overflow: hidden; background: var(--blanco); box-shadow: var(--sombra);
}
.banda-comparar .pieza { background: var(--escena); display: flex; align-items: center; justify-content: center; padding: 14px; border-right: 1px solid var(--linea); }
.banda-comparar .pieza img { width: 100%; max-height: 300px; object-fit: contain; }
.banda-comparar .placa { padding: 28px; display: flex; flex-direction: column; justify-content: center; gap: 12px; background: var(--mar); }
.banda-comparar .placa h3 { font-size: 30px; color: #fff; }
.banda-comparar .placa p { color: #c9d8e4; margin: 0; }
.banda-comparar .placa .etiqueta-sup { color: var(--amarillo); }
@media (max-width: 760px) { .banda-comparar { grid-template-columns: 1fr 1fr; } .banda-comparar .placa { grid-column: 1 / -1; } }

.pie-pagina {
  margin-top: 80px; padding: 34px 0 48px; border-top: 1px solid var(--linea); color: var(--texto-suave); font-size: 14px;
  display: flex; gap: 18px; justify-content: space-between; flex-wrap: wrap;
}

/* --- Visor --- */
body.visor { height: 100dvh; overflow: hidden; display: flex; flex-direction: column; background: var(--arena); }
.barra { display: flex; align-items: center; gap: 14px; padding: 12px 18px; z-index: 2; background: var(--blanco); border-bottom: 1px solid var(--linea); }
.barra .volver { text-decoration: none; font-weight: 600; white-space: nowrap; color: var(--texto-suave); }
.barra .volver:hover { color: var(--mar); }
.barra .titulo { min-width: 0; flex: 1; }
.barra .titulo h1 { font-size: 22px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.barra .titulo span { font-size: 13px; color: var(--texto-suave); display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.escenario { position: relative; flex: 1; min-height: 0; background: var(--escena); }
model-viewer { width: 100%; height: 100%; display: block; background: transparent; --poster-color: transparent; --progress-bar-color: var(--amarillo); }
.btn-ar {
  position: absolute; left: 50%; bottom: 20px; transform: translateX(-50%);
  background: var(--amarillo); color: var(--mar); border: none; border-radius: 999px;
  padding: 15px 24px; font: inherit; font-weight: 700; font-size: 16px; box-shadow: 0 10px 26px rgba(242, 183, 5, .4);
  display: inline-flex; gap: 8px; align-items: center; cursor: pointer; white-space: nowrap;
}
a.btn-ar { text-decoration: none; }
.btn-ar svg { width: 20px; height: 20px; }
.progreso { position: absolute; left: 0; right: 0; top: 0; height: 3px; background: transparent; }
.progreso > div { height: 100%; width: 0; background: var(--amarillo); transition: width .2s; }

.controles-ar, .ayuda-ar { display: none; }
.controles-ar { position: absolute; left: 50%; bottom: max(24px, env(safe-area-inset-bottom)); transform: translateX(-50%); gap: 8px; z-index: 5; }
.controles-ar .btn { box-shadow: var(--sombra-fuerte); }
.ayuda-ar {
  position: absolute; top: max(70px, env(safe-area-inset-top)); left: 50%; transform: translateX(-50%);
  background: rgba(18, 52, 77, .88); color: #fff; padding: 10px 14px; border-radius: 12px; font-size: 14px;
  width: max-content; max-width: calc(100% - 32px); text-align: center;
}
model-viewer[ar-status="session-started"] .controles-ar,
model-viewer[ar-status="object-placed"] .controles-ar { display: flex; }
model-viewer[ar-status="session-started"] .ayuda-ar { display: block; }

.aviso-qr {
  position: absolute; right: 18px; bottom: 18px; background: var(--blanco); border: 1px solid var(--linea);
  border-radius: var(--radio); padding: 12px; width: 190px; text-align: center; font-size: 13px; box-shadow: var(--sombra); color: var(--texto-suave);
}
.aviso-qr .qr { background: #fff; padding: 4px; border-radius: 10px; margin-bottom: 8px; }
.aviso-qr .qr svg { width: 100%; height: auto; display: block; }
@media (max-width: 760px) { .aviso-qr { display: none !important; } }

.panel { background: var(--blanco); border-top: 1px solid var(--linea); padding: 14px 18px 16px; display: flex; flex-direction: column; gap: 10px; z-index: 2; }
.panel p { margin: 0; color: var(--texto-suave); font-size: 14px; max-width: 760px; }
.controles { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.idiomas { display: inline-flex; gap: 4px; }
.idiomas .btn { padding: 8px 12px; min-height: 40px; font-size: 14px; }
.tiempo { font-variant-numeric: tabular-nums; color: var(--texto-suave); font-size: 13px; }

/* --- Modal QR --- */
dialog.modal {
  border: 1px solid var(--linea); border-radius: 22px; padding: 24px; max-width: 340px; width: calc(100% - 32px);
  background: var(--blanco); color: var(--texto); box-shadow: var(--sombra-fuerte);
}
dialog.modal::backdrop { background: rgba(18, 52, 77, .45); backdrop-filter: blur(3px); }
dialog.modal h2 { font-size: 24px; margin-bottom: 4px; }
dialog.modal p { color: var(--texto-suave); font-size: 14px; margin: 4px 0 14px; }
dialog.modal .qr { background: #fff; border-radius: 14px; padding: 8px; border: 1px solid var(--linea); }
dialog.modal .qr svg { width: 100%; height: auto; display: block; }
dialog.modal .url { font-size: 12px; word-break: break-all; color: var(--texto-suave); margin-top: 10px; }
dialog.modal .fila { display: flex; gap: 8px; margin-top: 14px; }
dialog.modal .fila .btn { flex: 1; }

/* --- Comparar --- */
.comparar { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--linea); flex: 1; min-height: 0; }
.comparar .lado { position: relative; display: flex; flex-direction: column; min-height: 0; background: var(--escena); }
.comparar .etiqueta { position: absolute; top: 14px; left: 14px; z-index: 1; max-width: calc(100% - 28px); }
.comparar .etiqueta strong { display: block; font-family: var(--serif); font-weight: 600; font-size: 24px; color: var(--mar); }
.comparar .etiqueta small { color: var(--buganvilia); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; font-weight: 700; }
.comparar .ficha { margin: 0 14px 14px; padding: 14px 16px; font-size: 13px; color: var(--texto-suave); background: var(--blanco); border: 1px solid var(--linea); border-radius: 12px; box-shadow: var(--sombra); }
.comparar .ficha dl { display: grid; grid-template-columns: auto 1fr; gap: 3px 12px; margin: 0 0 8px; }
.comparar .ficha dt { font-weight: 600; color: var(--mar); }
.comparar .ficha dd { margin: 0; }
.comparar .ficha a { font-weight: 600; }
@media (max-width: 760px) { .comparar { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; } .comparar .ficha dl { display: none; } }

/* --- Hoja de QR (para imprimir) --- */
body.hoja-clara { background: var(--arena); }
.cabecera { padding: 30px 0 8px; }
.cabecera h1 { font-size: clamp(34px, 5vw, 56px); margin-top: 6px; }
.cabecera p { color: var(--texto-suave); max-width: 640px; margin: 10px 0 0; }
.seccion { margin: 24px 0; }
.hoja { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.hoja .codigo { background: #fff; border: 1px solid var(--linea); border-radius: 16px; padding: 18px; text-align: center; break-inside: avoid; box-shadow: var(--sombra); }
.hoja .codigo .qr { background: #fff; border-radius: 10px; padding: 6px; }
.hoja .codigo .qr svg { width: 100%; height: auto; display: block; }
.hoja .codigo h3 { font-size: 22px; margin-top: 10px; }
.hoja .codigo small { color: var(--texto-suave); display: block; }
.hoja .codigo .url { font-size: 11px; word-break: break-all; color: var(--texto-suave); margin-top: 6px; }
.hoja .codigo .btn { margin-top: 10px; font-size: 13px; min-height: 36px; padding: 6px 12px; }
.base-url { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin: 14px 0 6px; }
.base-url input { flex: 1; min-width: 240px; font: inherit; padding: 10px 14px; border-radius: 999px; border: 1px solid var(--linea-fuerte); background: #fff; color: var(--mar); }
.alerta { background: #fff4cc; border: 1px solid var(--amarillo); border-radius: 12px; padding: 10px 14px; font-size: 14px; color: #5a4300; }
@media print {
  .no-imprimir { display: none !important; }
  body.hoja-clara { background: #fff; }
  .hoja { grid-template-columns: repeat(3, 1fr); }
  .hoja .codigo { border: 1px solid #ccc; box-shadow: none; }
  .hoja .codigo .btn { display: none; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }