/* Sitio: papel claro con el calendario oscuro como escenario. */
:root {
  --papel: #f4efe6; --tinta: #1d1a16; --suave: #6b6359; --linea: #ddd3c4; --panel: #fffaf2; --chip: #ece4d6; --acento: #b5532a; --oro: #f1c27b; --noche: #1c1830;
  --display: "DM Serif Display", Georgia, serif; --script: "Pinyon Script", "Snell Roundhand", cursive; --cuerpo: "Outfit", "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--papel); color: var(--tinta); font-family: var(--cuerpo); font-size: 16px; line-height: 1.5; }
a { color: inherit; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
:focus-visible { outline: 2px solid var(--acento); outline-offset: 2px; }
.envoltura { max-width: 1240px; margin: 0 auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }

.barra { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: max(14px, env(safe-area-inset-top, 0px)); padding-bottom: 14px; }
.logo { text-decoration: none; display: flex; flex-direction: column; line-height: 1.05; }
.logo b { font-family: var(--display); font-weight: 400; font-size: 21px; }
.logo span { font-size: 11px; letter-spacing: .16em; text-transform: uppercase; color: var(--suave); }
.barra nav { display: flex; align-items: center; gap: 10px; }
.idioma { display: inline-flex; border: 1px solid var(--linea); border-radius: 20px; padding: 3px; gap: 2px; }
.idioma button { border: 0; background: none; padding: 6px 12px; border-radius: 16px; font-size: 13px; font-weight: 600; min-height: 34px; }
.idioma button[aria-pressed="true"] { background: var(--tinta); color: var(--panel); }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border-radius: 28px; border: 0; background: var(--tinta); color: var(--panel); font-weight: 600; text-decoration: none; font-size: 16px; }
.btn.borde { background: transparent; color: var(--tinta); box-shadow: inset 0 0 0 1.5px var(--tinta); }
.btn.chico { min-height: 40px; padding: 8px 16px; font-size: 14px; }
.btn.ancho { width: 100%; }
.btn.verde { background: #1f9d55; color: #fff; }
.btn:disabled { opacity: .5; cursor: default; }
.enlace { color: var(--acento); font-weight: 600; text-underline-offset: 3px; }
.ceja { font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--suave); font-weight: 600; margin: 0 0 12px; }
.nota { font-size: 13.5px; color: var(--suave); margin: 0; }
h1, h2 { font-family: var(--display); font-weight: 400; text-wrap: balance; margin: 0; }
h1 em, h2 em { font-family: var(--script); font-style: normal; color: var(--acento); font-size: 1.12em; }

.hero { padding-top: 26px; padding-bottom: 28px; max-width: 860px; margin-left: 0; }
@media (min-width: 1240px) { .hero { margin-left: calc((100vw - 1240px) / 2); } }
.hero h1 { font-size: clamp(36px, 6.4vw, 66px); line-height: 1.02; margin-bottom: 14px; }
.hero .sub { font-size: 18px; color: var(--suave); max-width: 60ch; margin: 0 0 22px; }
.acciones { display: flex; flex-wrap: wrap; gap: 10px; }

/* --- Estudio --- */
.estudio { display: grid; grid-template-columns: minmax(0, 1fr) 330px; gap: 22px; align-items: start; padding-bottom: 40px; }
@media (max-width: 920px) { .estudio { grid-template-columns: minmax(0, 1fr); } }
.escenario { min-width: 0; display: grid; gap: 12px; }
.dispositivos { display: inline-flex; justify-self: center; background: var(--chip); border-radius: 22px; padding: 3px; gap: 2px; }
.dispositivos button { border: 0; background: none; padding: 8px 16px; border-radius: 18px; font-size: 14px; font-weight: 600; min-height: 38px; }
.dispositivos button[aria-pressed="true"] { background: var(--tinta); color: var(--panel); }
.marco-caja { position: relative; width: 100%; display: flex; justify-content: center; overflow: hidden; }
.marco { flex: none; transform-origin: top center; background: #111; border-radius: 44px; padding: 14px; box-shadow: 0 40px 70px -40px rgba(0,0,0,.6); }
.marco.d-tab { border-radius: 32px; padding: 18px; }
.marco.d-pc { border-radius: 16px; padding: 10px; background: #2a2622; }
.pantalla { width: 100%; height: 100%; overflow-y: auto; overflow-x: hidden; background: #14110e; border-radius: 32px; transform: translateZ(0); scrollbar-width: none; }
.pantalla::-webkit-scrollbar { display: none; }
.marco.d-tab .pantalla { border-radius: 18px; }
.marco.d-pc .pantalla { border-radius: 8px; }
.pantalla #cal { padding: 10px; }
.escenario > .nota { text-align: center; }

.panel { background: var(--panel); border: 1px solid var(--linea); border-radius: 18px; padding: 16px; display: grid; gap: 14px; position: sticky; top: max(14px, env(safe-area-inset-top, 0px)); min-width: 0; }
@media (max-width: 920px) { .panel { position: static; } }
.panel h2 { font-size: 22px; }
.pestanas { display: flex; gap: 4px; border-bottom: 1px solid var(--linea); }
.pestanas button { border: 0; background: none; padding: 10px 10px; font-size: 14px; font-weight: 600; color: var(--suave); border-bottom: 2px solid transparent; margin-bottom: -1px; min-height: 44px; }
.pestanas button[aria-selected="true"] { color: var(--tinta); border-bottom-color: var(--acento); }
.hoja { display: grid; gap: 14px; min-width: 0; }
.grupo { display: grid; gap: 7px; min-width: 0; }
.grupo > b { font-size: 11.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--suave); font-weight: 600; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
@media (max-width: 920px) { .chips { flex-wrap: nowrap; overflow-x: auto; padding-bottom: 4px; scrollbar-width: thin; } }
.chips button, .chips label { border: 1px solid var(--linea); background: var(--chip); border-radius: 18px; padding: 7px 12px; font-size: 13.5px; white-space: nowrap; display: inline-flex; align-items: center; gap: 6px; flex: none; min-height: 38px; cursor: pointer; }
.chips [aria-pressed="true"] { background: var(--tinta); color: var(--panel); border-color: var(--tinta); }
.chips label { position: relative; }
.chips label input { position: absolute; inset: 0; width: 1px; height: 1px; opacity: 0; }
.muestra { width: 14px; height: 14px; border-radius: 50%; display: inline-block; box-shadow: inset 0 0 0 1px rgba(0,0,0,.15); }
.dia { display: flex; align-items: center; gap: 10px; }
.dia input { flex: 1; min-width: 0; accent-color: var(--acento); }
.dia output { font-variant-numeric: tabular-nums; font-weight: 600; min-width: 4.5em; text-align: right; font-size: 14px; }
.opciones { display: grid; gap: 8px; }
.opciones button { text-align: left; border: 1px solid var(--linea); background: #fff; border-radius: 14px; padding: 12px 14px; display: grid; gap: 2px; }
.opciones button b { font-size: 15px; }
.opciones button span { font-size: 13px; color: var(--suave); }
.opciones button[aria-pressed="true"] { border-color: var(--acento); box-shadow: inset 0 0 0 1.5px var(--acento); }
.campo { display: grid; gap: 5px; font-size: 13.5px; font-weight: 600; min-width: 0; }
.campo input, .campo select, .campo textarea { width: 100%; border: 1px solid var(--linea); border-radius: 12px; padding: 11px 12px; background: #fff; font-weight: 400; font-size: 16px; }
.campo textarea { resize: vertical; }
.campo small { font-weight: 400; color: var(--suave); font-size: 12.5px; }

/* --- Secciones --- */
.pasos, .planes, .preguntas { padding-top: 40px; padding-bottom: 20px; }
.pasos h2, .planes h2, .preguntas h2 { font-size: clamp(28px, 4.4vw, 42px); margin-bottom: 14px; }
.pasos ol { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; counter-reset: p; }
@media (max-width: 760px) { .pasos ol { grid-template-columns: minmax(0, 1fr); } }
.pasos li { background: var(--panel); border: 1px solid var(--linea); border-radius: 16px; padding: 18px; counter-increment: p; }
.pasos li::before { content: counter(p); display: block; font-family: var(--display); font-size: 40px; color: var(--acento); line-height: 1; margin-bottom: 8px; }
.pasos li b { display: block; font-size: 17px; margin-bottom: 4px; }
.pasos li span { color: var(--suave); font-size: 15px; }
.planes .sub { color: var(--suave); margin: 0 0 18px; max-width: 62ch; }
.niveles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 14px; }
@media (max-width: 1000px) { .niveles { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 540px) { .niveles { grid-template-columns: minmax(0, 1fr); } }
.nivel { border: 1px solid var(--linea); border-radius: 18px; padding: 18px; display: flex; flex-direction: column; gap: 10px; background: var(--panel); }
.nivel.wow { background: #2a1408; color: #fff; border-color: transparent; }
.nivel h3 { margin: 0; font-size: 17px; }
.nivel .precio { font-family: var(--display); font-size: 40px; line-height: 1; }
.nivel .precio small { font-family: var(--cuerpo); font-size: 14px; opacity: .75; }
.nivel.wow .precio { color: var(--oro); }
.nivel ul { margin: 0; padding-left: 18px; font-size: 14.5px; display: grid; gap: 4px; flex: 1; }
.nivel .btn { margin-top: 6px; }
.nivel.wow .btn { background: var(--oro); color: #2a1408; }
.preguntas details { border-bottom: 1px solid var(--linea); padding: 14px 0; }
.preguntas summary { font-weight: 600; font-size: 17px; cursor: pointer; }
.preguntas details p { color: var(--suave); margin: 8px 0 0; max-width: 70ch; }
.pie { padding-top: 30px; padding-bottom: max(30px, env(safe-area-inset-bottom, 0px)); font-size: 14px; color: var(--suave); }
.toast { position: fixed; left: 50%; transform: translateX(-50%); bottom: max(20px, env(safe-area-inset-bottom, 0px)); z-index: 90; background: var(--tinta); color: #fff; padding: 10px 18px; border-radius: 22px; font-size: 14px; max-width: calc(100% - 32px); text-align: center; }
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto !important; } }