/* estilo.css — Aprender Chino Fácil. Dirección «Del otro lado del mundo»: una publicación cultural.
   Papel frío, tinta azul noche, un solo acento rojo sello; el celeste como campo de color.
   Un eje vertical al 42 % ordena todo: los títulos empiezan en él, el texto cuelga de él. */
:root {
  --bg: #F6F7F5; --surface: #E9ECE8; --ink: #0B1B30; --muted: #3F4F64;
  --accent: #C8261E; --accent-hover: #A81F18; --accent-ink: #FFFFFF;
  --celeste: #74ACDF; --tinta: #0B1B30; --tinta-2: #132A48; --tinta-3: #18345A; --papel: #F6F7F5; --suave: #C6D3E3;
  --t1: #C42A20; --t2: #8E5300; --t3: #1F7A35; --t4: #2553B8; --t0: #5E6762;
  --font-display: "Fraunces", Georgia, serif;
  --font-text: "Noto Sans", system-ui, sans-serif;
  --font-zh: "Noto Serif SC", "Songti SC", "STSong", serif;
  --step-small: 1rem;
  --step-body: clamp(1.0625rem, 1rem + 0.25vw, 1.1875rem);
  --step-lead: clamp(1.25rem, 1.1rem + 0.6vw, 1.55rem);
  --step-head: clamp(2.25rem, 1.4rem + 3.4vw, 4.4rem);
  --step-display: clamp(2.9rem, 0.9rem + 6vw, 7.2rem);
  --m: clamp(1.25rem, 3vw, 3rem);
  --gap: clamp(1rem, 2vw, 2rem);
  --sec: clamp(5.5rem, 12vw, 12rem);
  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out: cubic-bezier(0.76, 0, 0.24, 1);
  --ease-soft: cubic-bezier(0.33, 1, 0.68, 1);
}
.oscuro { --t1: #FF7A6E; --t2: #F2AE45; --t3: #6FD088; --t4: #8FB0FF; --t0: #A9B4B0; --muted: var(--suave); }

/* ---------- base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-text); font-size: var(--step-body); line-height: 1.55; font-kerning: normal; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
h1, h2, h3, h4, p, figure, blockquote, ul, ol, dl, dd { margin: 0; }
ul[class], ol[class] { padding: 0; list-style: none; }
img, video, svg, canvas { display: block; max-width: 100%; }
img { height: auto; background: var(--surface); }
button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
a { color: inherit; }
::selection { background: var(--accent); color: var(--accent-ink); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; }
.oscuro :focus-visible { outline-color: #fff; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 500; font-variation-settings: "WONK" 0, "SOFT" 0; text-wrap: balance; }
p { max-width: 58ch; text-wrap: pretty; }
figcaption { max-width: 60ch; }
p + p { margin-top: 0.9em; }
.zh { font-family: var(--font-zh); font-weight: 700; }
.py { font-weight: 600; letter-spacing: 0.005em; }
.nums { font-variant-numeric: tabular-nums; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.t1 { color: var(--t1); } .t2 { color: var(--t2); } .t3 { color: var(--t3); } .t4 { color: var(--t4); } .t0 { color: var(--t0); }
.saltar { position: absolute; left: -9999px; top: 0; }
.saltar:focus { left: 1rem; top: 1rem; z-index: 50; background: var(--bg); padding: 0.6rem 1rem; }

.wrap { padding-inline: var(--m); }
.grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); column-gap: var(--gap); }
.axis { grid-column: 6 / -1; min-width: 0; }
.side { grid-column: 1 / 5; min-width: 0; }
@media (max-width: 52em) { .axis, .side { grid-column: 1 / -1; } }
.display { font-size: var(--step-display); line-height: 0.94; letter-spacing: -0.04em; }
.head { font-size: var(--step-head); line-height: 1; letter-spacing: -0.03em; }
.lead { font-size: var(--step-lead); line-height: 1.38; max-width: 38ch; }
.small { font-size: var(--step-small); line-height: 1.45; color: var(--muted); }

/* ---------- controles ---------- */
.boton { display: inline-flex; align-items: center; gap: 0.7rem; min-height: 3.4rem; padding: 0 1.7rem; background: var(--accent); color: var(--accent-ink); text-decoration: none; font-weight: 600; font-size: 1.05rem; transition: transform 140ms var(--ease-out), background-color 200ms ease; }
.boton:hover { background: var(--accent-hover); }
.boton:active { transform: scale(0.97); }
.boton .flecha { transition: transform 260ms var(--ease-out); }
.boton:hover .flecha { transform: translateX(4px); }
.boton.claro { background: #fff; color: var(--accent); }
.boton.claro:hover { background: var(--papel); }
.enlace { font-weight: 600; text-decoration: underline; text-underline-offset: 0.22em; text-decoration-thickness: 2px; text-decoration-color: color-mix(in srgb, currentColor 35%, transparent); transition: text-decoration-color 200ms; }
.enlace:hover { text-decoration-color: currentColor; }
.oir { display: inline-flex; align-items: center; gap: 0.45rem; min-height: 2.6rem; padding: 0 1rem; border: 2px solid currentColor; font-weight: 600; font-size: 1rem; transition: background-color 200ms, color 200ms, transform 140ms var(--ease-out); }
.oir:hover { background: var(--ink); color: var(--bg); border-color: var(--ink); }
.oscuro .oir:hover { background: #fff; color: var(--tinta); border-color: #fff; }
.oir:active { transform: scale(0.96); }
.oir svg { width: 1em; height: 1em; }
.oir.suave { border-color: transparent; background: var(--surface); }
.oir.suave:hover { background: var(--ink); color: var(--bg); }

/* ---------- barra ---------- */
.bar { padding-block: 16px; color: var(--ink); }
.bar .grid { align-items: center; row-gap: 12px; }
.marca { grid-column: 1 / 6; display: flex; align-items: center; gap: 12px; text-decoration: none; font-family: var(--font-display); font-size: 1.2rem; font-weight: 500; letter-spacing: -0.01em; font-variation-settings: "WONK" 0; }
.marca img { width: 38px; height: 38px; border-radius: 10px; background: none; }
.nav { grid-column: 6 / 11; display: flex; gap: clamp(1rem, 2vw, 2rem); flex-wrap: wrap; }
.nav a, .bar .ir { text-decoration: none; font-weight: 500; position: relative; white-space: nowrap; }
.nav a::after, .bar .ir::after { content: ""; position: absolute; left: 0; right: 0; bottom: -4px; height: 2px; background: currentColor; transform: scaleX(0); transform-origin: left; transition: transform 260ms var(--ease-out); }
.nav a:hover::after, .bar .ir:hover::after, .nav a[aria-current]::after { transform: scaleX(1); }
.bar .ir { grid-column: 11 / -1; justify-self: end; font-weight: 600; color: var(--accent); }
@media (max-width: 52em) {
  .marca { grid-column: 1 / 9; } .bar .ir { grid-column: 9 / -1; }
  .marca { font-size: 1.05rem; } .marca img { width: 34px; height: 34px; }
  .nav { grid-column: 1 / -1; order: 3; flex-wrap: nowrap; overflow-x: auto; gap: 1.05rem; padding-bottom: 6px; scrollbar-width: none; font-size: 0.95rem; }
  .nav::-webkit-scrollbar { display: none; }
}

/* ---------- cabecera con pintura ---------- */
.cabecera { margin: 0; }
.cabecera .lienzo { position: relative; height: min(33vh, 380px); overflow: hidden; background: var(--surface); }
.cabecera img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 45%; }
.cabecera figcaption { max-width: 60ch; margin-left: auto; text-align: right; padding: 0.6rem var(--m) 0; font-size: 0.95rem; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) { .cabecera.deriva img { animation: deriva 28s var(--ease-soft) infinite alternate; } }
@keyframes deriva { from { transform: scale(1.05) translateX(-1%); } to { transform: scale(1.1) translateX(1%); } }
@media (max-width: 52em) { .cabecera .lienzo { height: 28vh; } }

/* ---------- héroe de inicio ---------- */
.hero { padding-block: clamp(1.8rem, 3.4vw, 3.2rem) clamp(4rem, 8vw, 7rem); }
.hero .lead { margin-top: 1.3rem; }
.hero .acc { margin-top: 1.8rem; display: flex; gap: 1.6rem; align-items: center; flex-wrap: wrap; }
.hero .side { align-self: end; }
.sello { width: clamp(76px, 7vw, 108px); aspect-ratio: 1; display: grid; place-items: center; background: var(--accent); color: #fff; font-family: var(--font-zh); font-weight: 700; font-size: clamp(2.6rem, 4.4vw, 4rem); line-height: 1; border-radius: 6px; }
.sello + p { margin-top: 1rem; }
@media (max-width: 52em) { .hero .side { display: none; } }

/* ---------- ahora en Pekín ---------- */
.ahora { background: var(--tinta); color: var(--papel); padding-block: var(--sec); }
.ahora .relojes { grid-column: 1 / 5; display: grid; gap: 2.4rem; align-content: start; }
.ahora .ciudad { display: block; margin-top: 0.4rem; font-size: var(--step-small); color: #AFC0D6; }
.ahora .hora { display: block; font-family: var(--font-display); font-size: clamp(2.6rem, 1.6rem + 3.4vw, 4.6rem); line-height: 1; letter-spacing: -0.03em; font-variation-settings: "WONK" 0; }
.ahora .saludo { grid-column: 6 / -1; }
.ahora .saludo .zh { font-size: clamp(4.5rem, 1rem + 12vw, 12rem); line-height: 1; letter-spacing: 0.02em; color: #fff; }
.ahora .saludo .py { font-size: clamp(1.6rem, 1.1rem + 1.6vw, 2.6rem); margin-top: 1.2rem; }
.ahora .saludo .es { font-family: var(--font-display); font-size: var(--step-lead); margin-top: 0.4rem; font-variation-settings: "WONK" 0; }
.ahora .saludo .nota { margin-top: 1.4rem; color: var(--suave); max-width: 46ch; }
.ahora .oir { margin-top: 2rem; }
@media (max-width: 52em) { .ahora .relojes { grid-template-columns: 1fr 1fr; grid-column: 1 / -1; } .ahora .relojes p { grid-column: 1 / -1; } .ahora .saludo { grid-column: 1 / -1; margin-top: 3rem; } }

/* ---------- palabra del día (módulo y página) ---------- */
.hoy { padding-block: var(--sec); background: var(--surface); }
.hoy .side { align-self: start; }
.cuadro-zh { width: 100%; aspect-ratio: 1; background: #fff; display: grid; place-items: center; text-align: center; font-family: var(--font-zh); font-weight: 700; line-height: 1.05; font-size: clamp(7rem, 3rem + 13vw, 17rem); }
.cuadro-zh.n2 { font-size: clamp(5rem, 2rem + 8vw, 10rem); }
.cuadro-zh.n3 { font-size: clamp(4rem, 1.6rem + 6vw, 7.4rem); }
.cuadro-zh.n4 { font-size: clamp(3.2rem, 1.2rem + 4.6vw, 5.8rem); }
.hoy .serie { margin-top: 0.6rem; }
.hoy .palabra { margin-top: clamp(1.6rem, 3vw, 2.6rem); }
.hoy .palabra .py { font-size: clamp(2rem, 1.3rem + 2.4vw, 3.4rem); }
.hoy .palabra .es { font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 1.4vw, 2.4rem); margin-top: 0.3rem; font-variation-settings: "WONK" 0; }
.hoy .palabra .texto { margin-top: 1.4rem; }
.hoy .palabra .acc { margin-top: 1.8rem; display: flex; gap: 1rem; flex-wrap: wrap; align-items: center; }
@media (max-width: 52em) { .hoy .side { margin-bottom: 2rem; } .cuadro-zh { max-width: 420px; } }

/* ---------- datos ---------- */
.datos { padding-block: var(--sec) calc(var(--sec) * 0.7); }
.datos h2 { grid-column: 1 / 7; }
.datos .nota { grid-column: 9 / -1; align-self: end; }
.fila { margin-top: clamp(4rem, 8vw, 7.5rem); display: flex; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.fila li { max-width: 15rem; }
.fila b { display: block; white-space: nowrap; font-family: var(--font-display); font-weight: 400; font-size: clamp(1.9rem, 1.2rem + 2.2vw, 3.4rem); letter-spacing: -0.03em; line-height: 1; font-variation-settings: "WONK" 0; }
.fila span { display: block; margin-top: 0.8rem; color: var(--muted); }
@media (max-width: 52em) { .datos h2, .datos .nota { grid-column: 1 / -1; } .datos .nota { margin-top: 1.5rem; } .fila { display: grid; grid-template-columns: 1fr 1fr; row-gap: 2.5rem; } }

/* ---------- antípodas ---------- */
.antipodas { background: var(--celeste); color: var(--tinta); padding-block: var(--sec); overflow: hidden; }
.antipodas .texto { grid-column: 1 / 7; align-self: center; }
.antipodas blockquote { font-family: var(--font-display); font-size: clamp(1.4rem, 1rem + 1.6vw, 2.25rem); line-height: 1.22; letter-spacing: -0.015em; max-width: 22ch; font-variation-settings: "WONK" 0; }
.antipodas .texto p { margin-top: 1.8rem; max-width: 44ch; }
.antipodas figure { grid-column: 7 / -1; }
.globo-lienzo { display: block; width: 100%; aspect-ratio: 1; max-width: 100%; cursor: grab; touch-action: pan-y; -webkit-tap-highlight-color: transparent; }
.globo-lienzo:active { cursor: grabbing; }
.globo-ayuda { margin-top: 1rem; text-align: center; max-width: none; color: var(--tinta); }
@media (max-width: 52em) { .antipodas .texto, .antipodas figure { grid-column: 1 / -1; } .antipodas figure { margin-top: 3rem; } }

/* ---------- método ---------- */
.metodo { padding-block: var(--sec); }
.metodo .side img { width: 100%; aspect-ratio: 3 / 5; object-fit: cover; }
.metodo figcaption { margin-top: 0.8rem; }
.metodo .axis h2 { max-width: 12ch; }
.metodo .cols { margin-top: 2.6rem; columns: 2 30ch; column-gap: var(--gap); }
.metodo .cols p { break-inside: avoid; }
@media (max-width: 52em) { .metodo .side { order: 2; margin-top: 3rem; } .metodo .side img { aspect-ratio: 4 / 5; } }

/* ---------- tonos ---------- */
.tonos { background: var(--tinta); color: var(--papel); padding-block: var(--sec); }
.tonos h2 { grid-column: 6 / -1; }
.tonos .lista { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); }
.tono { text-align: left; padding: 1.6rem 1.4rem 1.4rem; background: var(--tinta-2); transition: background-color 220ms, transform 160ms var(--ease-out); }
.tono:hover { background: var(--tinta-3); }
.tono:active { transform: scale(0.985); }
.tono .zh { display: block; font-size: clamp(3.4rem, 2rem + 4vw, 5.6rem); line-height: 1; color: #fff; }
.tono .py { display: block; font-size: clamp(1.8rem, 1.3rem + 1.4vw, 2.6rem); margin-top: 1rem; }
.tono .es { display: block; margin-top: 0.2rem; font-size: 1.05rem; color: #D5DEEA; }
.tono svg { margin-top: 1.4rem; width: 100%; height: auto; }
.tono path { stroke-dasharray: 600; stroke-dashoffset: 0; }
.tono:hover path, .tono:focus-visible path, .tono.suena path { animation: trazar 900ms var(--ease-out); }
@keyframes trazar { from { stroke-dashoffset: 600; } to { stroke-dashoffset: 0; } }
.tonos .tonos-nota { grid-column: 6 / -1; margin-top: 2.4rem; color: var(--suave); max-width: 52ch; }
@media (max-width: 52em) { .tonos h2, .tonos .tonos-nota { grid-column: 1 / -1; } .tonos .lista { grid-template-columns: 1fr 1fr; } }

/* ---------- índice del curso ---------- */
.indice { padding-block: var(--sec) clamp(4rem, 7vw, 6rem); }
.indice .grid { grid-template-rows: auto 1fr; }
.indice .intro { align-self: start; }
.indice h2 { grid-column: 1 / 6; align-self: start; }
.indice .intro { grid-column: 1 / 5; margin-top: 1.6rem; }
.indice ol { grid-column: 6 / -1; grid-row: 1 / span 2; columns: 2 18rem; column-gap: var(--gap); }
.indice li { break-inside: avoid; }
.indice a { display: block; padding: 0.95rem 0; text-decoration: none; }
.indice a .zh { font-size: 1.7rem; line-height: 1.1; transition: color 200ms; }
.indice a:hover .zh { color: var(--accent); }
.indice a .es { display: block; font-weight: 600; margin-top: 0.15rem; }
.indice a .py { display: block; color: var(--muted); font-size: 1rem; font-weight: 400; }
@media (max-width: 52em) { .indice h2, .indice .intro, .indice ol { grid-column: 1 / -1; grid-row: auto; } .indice ol { margin-top: 2rem; columns: 2 9rem; } }

/* curso: unidades con su obra */
.unidades-obra { grid-column: 6 / -1; grid-row: 1 / span 2; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(2rem, 3vw, 2.6rem) var(--gap); }
.unidades-obra a { display: grid; gap: 0.2rem; text-decoration: none; }
.unidades-obra img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; margin-bottom: 0.7rem; transition: transform 500ms var(--ease-out); }
.unidades-obra a:hover img { transform: scale(1.03); }
.unidades-obra li { overflow: hidden; }
.unidades-obra .zh { font-size: 1.7rem; line-height: 1.15; transition: color 200ms; }
.unidades-obra a:hover .zh { color: var(--accent); }
.unidades-obra .es { font-family: var(--font-display); font-size: var(--step-lead); line-height: 1.2; font-variation-settings: "WONK" 0; }
.unidades-obra .py { color: var(--muted); font-size: 1rem; }
@media (max-width: 64em) { .unidades-obra { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 52em) { .unidades-obra { grid-column: 1 / -1; grid-row: auto; margin-top: 2.4rem; } }

/* ---------- mosaico ---------- */
.mosaico { display: grid; grid-template-columns: repeat(6, 1fr); grid-auto-rows: clamp(180px, 22vw, 340px); }
.mosaico figure { position: relative; overflow: hidden; margin: 0; }
.mosaico img { width: 100%; height: 100%; object-fit: cover; transition: transform 1200ms var(--ease-soft); }
.mosaico figure:hover img { transform: scale(1.04); }
.mosaico .a { grid-column: span 3; grid-row: span 2; }
.mosaico .b, .mosaico .e { grid-column: span 2; }
.mosaico .c, .mosaico .d { grid-column: span 1; }
.teja { display: grid; align-content: space-between; padding: clamp(1rem, 2vw, 1.6rem); }
.teja .zh { font-size: clamp(4rem, 2rem + 6vw, 8.5rem); line-height: 0.9; }
.teja p { font-weight: 600; }
.teja.roja { background: var(--accent); color: #fff; }
.teja.celeste { background: var(--celeste); color: var(--tinta); }
.mosaico figcaption { position: absolute; left: 0; right: 0; bottom: 0; padding: 0.6rem 0.8rem; font-size: 0.84rem; color: #fff; background: rgba(11, 27, 48, 0.62); opacity: 0; transition: opacity 240ms; }
.mosaico figure:hover figcaption, .mosaico figure:focus-within figcaption { opacity: 1; }
@media (max-width: 52em) { .mosaico { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 44vw; } .mosaico .a, .mosaico .b, .mosaico .e { grid-column: span 2; } .mosaico figcaption { display: none; } }
.creditos-mosaico { padding-block: 1rem 0; display: grid; gap: 0.3rem; font-size: 0.84rem; color: var(--muted); }

/* ---------- cierre ---------- */
.cierre { background: var(--accent); color: #fff; padding-block: var(--sec); }
.cierre h2 { grid-column: 1 / 8; font-size: clamp(2.8rem, 1rem + 6vw, 7rem); line-height: 0.95; letter-spacing: -0.04em; }
.cierre .texto { grid-column: 8 / -1; align-self: end; }
.cierre .boton { margin-top: 2rem; }
.cierre .redes { margin-top: 1.6rem; display: flex; gap: 1.6rem; flex-wrap: wrap; }
@media (max-width: 52em) { .cierre h2, .cierre .texto { grid-column: 1 / -1; } .cierre .texto { margin-top: 2rem; } }

/* ---------- páginas interiores ---------- */
.miga { padding-block: 0.4rem 0; font-size: var(--step-small); color: var(--muted); }
.miga a { text-decoration: none; }
.miga a:hover { text-decoration: underline; }
.titular { padding-block: clamp(2.4rem, 5vw, 4.5rem) clamp(3rem, 6vw, 5rem); }
.titular .grid { align-items: end; }
.titular .zh-grande { grid-column: 1 / 6; font-family: var(--font-zh); font-weight: 700; font-size: clamp(4rem, 1.5rem + 9vw, 10.5rem); line-height: 1; letter-spacing: 0.02em; white-space: nowrap; }
.titular .zh-grande.n3 { font-size: clamp(3.4rem, 1.2rem + 7vw, 8rem); }
.titular .zh-grande.n4 { font-size: clamp(3rem, 1rem + 5.4vw, 6.4rem); }
.titular .texto { grid-column: 6 / -1; }
.titular h1 { font-size: var(--step-head); line-height: 1; letter-spacing: -0.03em; }
.titular .py { display: block; margin-top: 0.7rem; color: var(--muted); font-size: 1.1rem; }
.titular .lead { margin-top: 1.4rem; }
.titular.solo .texto { grid-column: 1 / 9; }
@media (max-width: 52em) { .titular .zh-grande, .titular .texto, .titular.solo .texto { grid-column: 1 / -1; } .titular .texto { margin-top: 1.4rem; } }
.obra-lateral { margin: 0; }
.obra-lateral img { width: 100%; aspect-ratio: 3 / 4; object-fit: cover; }
.obra-lateral figcaption { margin-top: 0.7rem; }

/* frases */
.titular-oir { display: flex; gap: 0.5rem; margin-top: 1.4rem; }
.frases { padding-block: 0 var(--sec); }
.frases h2, .dialogo h2, .chars h2 { font-size: clamp(1.9rem, 1.3rem + 2vw, 3rem); line-height: 1.02; letter-spacing: -0.025em; }
.lista-frases { margin-top: clamp(2rem, 4vw, 3rem); display: grid; }
.frase { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) auto; gap: 0.6rem var(--gap); align-items: center; padding-block: clamp(1.4rem, 2.6vw, 2rem); }
.frase:nth-child(odd) { background: transparent; }
.frase + .frase { box-shadow: none; }
.frase .zh { font-size: clamp(2rem, 1.4rem + 2vw, 3.2rem); line-height: 1.15; }
.frase .hueco { display: inline-block; width: 1.5em; border-bottom: 0.12em solid var(--accent); vertical-align: 0.1em; }
.frase .py { display: block; font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); }
.frase .es { display: block; margin-top: 0.15rem; font-family: var(--font-display); font-size: clamp(1.15rem, 1rem + 0.5vw, 1.4rem); font-variation-settings: "WONK" 0; }
.frase .nota { display: block; margin-top: 0.7rem; color: var(--muted); font-size: var(--step-body); max-width: 46ch; }
.frase .botones { display: flex; gap: 0.5rem; }
.frases .lista-frases > .frase:nth-child(even) { background: var(--surface); margin-inline: calc(var(--m) * -1); padding-inline: var(--m); }
@media (max-width: 52em) { .frase { grid-template-columns: 1fr; } .frase .botones { margin-top: 0.4rem; } }

/* diálogo */
.dialogo { background: var(--tinta); color: var(--papel); padding-block: var(--sec); }
.dialogo .grid > h2 { grid-column: 1 / 5; }
.dialogo .grid > .ayuda { grid-column: 1 / 5; margin-top: 1.2rem; color: var(--suave); }
.dialogo ol { grid-column: 6 / -1; grid-row: 1 / span 3; display: grid; gap: clamp(1.6rem, 3vw, 2.4rem); }
.linea { display: grid; grid-template-columns: 2.4rem minmax(0, 1fr); gap: 1rem; }
.linea .quien { font-family: var(--font-display); font-size: 1.6rem; line-height: 1.2; color: #AFC0D6; font-variation-settings: "WONK" 0; }
.linea.b { margin-left: clamp(0rem, 6vw, 5rem); }
.linea .zh { font-size: clamp(1.7rem, 1.2rem + 1.6vw, 2.6rem); line-height: 1.2; color: #fff; }
.linea .py { display: block; margin-top: 0.3rem; }
.linea .es { display: block; color: var(--suave); }
.linea .oir { margin-top: 0.8rem; min-height: 2.3rem; }
@media (max-width: 52em) { .dialogo .grid > h2, .dialogo .grid > .ayuda, .dialogo ol { grid-column: 1 / -1; grid-row: auto; } .dialogo ol { margin-top: 2.4rem; } .linea.b { margin-left: 1.5rem; } }

/* caracteres */
.chars { padding-block: var(--sec); }
.chars .grid > h2 { grid-column: 1 / 5; }
.chars .grid > p { grid-column: 1 / 5; margin-top: 1.2rem; }
.chars .chars-obra { grid-column: 1 / 5; margin-top: 2.4rem; }
.chars .pares { grid-column: 6 / -1; grid-row: 1 / span 3; display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
.caracter { display: grid; gap: 0.8rem; align-content: start; }
.trazos { width: 100%; aspect-ratio: 1; background: #fff; display: grid; place-items: center; }
.trazos > .zh { font-size: clamp(6rem, 3rem + 8vw, 11rem); line-height: 1; }
.caracter .py { font-size: 1.4rem; }
.caracter .es { color: var(--muted); }
.caracter .botones { display: flex; gap: 0.5rem; flex-wrap: wrap; }
@media (max-width: 52em) { .chars .grid > h2, .chars .grid > p, .chars .pares, .chars .chars-obra { grid-column: 1 / -1; grid-row: auto; } .chars .pares { margin-top: 2rem; } .chars .chars-obra { order: 5; } }

.truco { background: var(--celeste); color: var(--tinta); padding-block: clamp(3.5rem, 7vw, 6rem); }
.truco p { grid-column: 6 / -1; font-family: var(--font-display); font-size: clamp(1.4rem, 1.1rem + 1.2vw, 2.1rem); line-height: 1.3; max-width: 34ch; font-variation-settings: "WONK" 0; }
.truco p.largo { font-size: clamp(1.2rem, 1rem + 0.7vw, 1.6rem); max-width: 44ch; }
.truco h2 { grid-column: 1 / 5; font-size: var(--step-lead); }
@media (max-width: 52em) { .truco h2, .truco p { grid-column: 1 / -1; } .truco p { margin-top: 1rem; } }

.pasar { padding-block: clamp(3rem, 6vw, 5rem); }
.pasar .grid { align-items: stretch; }
.pasar a { text-decoration: none; display: grid; gap: 0.4rem; padding: clamp(1.4rem, 3vw, 2.4rem); background: var(--surface); transition: background-color 200ms; }
.pasar a:hover { background: #DFE4DF; }
.pasar .ant { grid-column: 1 / 7; }
.pasar .sig { grid-column: 7 / -1; text-align: right; }
.pasar .zh { font-size: clamp(2rem, 1.4rem + 2vw, 3.2rem); line-height: 1; }
.pasar .es { font-family: var(--font-display); font-size: var(--step-lead); font-variation-settings: "WONK" 0; }
@media (max-width: 52em) { .pasar .ant, .pasar .sig { grid-column: 1 / -1; } .pasar .sig { margin-top: 1rem; } }

/* galería de la unidad */
.galeria { padding-block: var(--sec) 0; }
.galeria h2 { grid-column: 1 / 6; font-size: clamp(1.9rem, 1.3rem + 2vw, 3rem); line-height: 1.02; letter-spacing: -0.025em; }
.galeria .grid > p { grid-column: 6 / -1; align-self: end; }
.galeria .obra-g { grid-column: span 4; margin-top: clamp(2rem, 4vw, 3rem); }
.galeria .obra-g img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.galeria figcaption { margin-top: 0.7rem; }
@media (max-width: 52em) { .galeria h2, .galeria .grid > p { grid-column: 1 / -1; } .galeria .grid > p { margin-top: 1rem; } .galeria .obra-g { grid-column: 1 / -1; } .galeria .obra-g img { aspect-ratio: 4 / 3; } }

/* práctica */
.entreno { padding-block: var(--sec); }
.entreno.oscuro { background: var(--tinta); color: var(--papel); }
.entreno .grid > h2 { grid-column: 1 / 5; }
.entreno .grid > .ayuda { grid-column: 1 / 5; margin-top: 1.2rem; }
.entreno .zona { grid-column: 6 / -1; grid-row: 1 / span 4; }
.entreno .chars-obra { margin-top: 2.4rem; }
@media (max-width: 52em) { .entreno .grid > h2, .entreno .grid > .ayuda, .entreno .zona { grid-column: 1 / -1; grid-row: auto; } .entreno .zona { margin-top: 2rem; } }
.oido-caja { display: grid; grid-template-columns: auto 1fr; gap: 1.6rem; align-items: center; }
.oido-caja .zh { font-size: clamp(5rem, 3rem + 6vw, 9rem); line-height: 1; color: #fff; min-width: 1.1em; }
.opciones-tono { margin-top: 1.6rem; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.6rem; }
.opciones-tono button { min-height: 4rem; background: var(--tinta-2); font-weight: 700; font-size: 1.15rem; transition: background-color 200ms, transform 140ms var(--ease-out); }
.opciones-tono button:hover { background: var(--tinta-3); }
.opciones-tono button:active { transform: scale(0.97); }
.opciones-tono button.bien { background: #1F7A35; color: #fff; }
.opciones-tono button.mal { background: #8E2018; color: #fff; }
.resultado { margin-top: 1.2rem; min-height: 1.6em; font-weight: 600; }
.marcador { color: var(--suave); }
.trazado { display: grid; grid-template-columns: minmax(0, 420px) minmax(0, 1fr); gap: 2rem; align-items: start; }
.trazado .cuadro { width: 100%; aspect-ratio: 1; background: #fff; touch-action: none; }
.trazado .zh-ficha { font-size: 4rem; line-height: 1; }
.trazado .py { display: block; font-size: 1.6rem; margin-top: 0.5rem; }
.trazado .estado { margin-top: 1rem; min-height: 1.5em; font-weight: 600; }
.trazado .botones { margin-top: 1.2rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }
@media (max-width: 52em) { .trazado { grid-template-columns: 1fr; } }
.tarjeta { background: #fff; min-height: 260px; padding: clamp(1.6rem, 4vw, 3rem); display: grid; place-items: center; text-align: center; cursor: pointer; transition: transform 200ms var(--ease-out); }
.tarjeta:active { transform: scale(0.99); }
.tarjeta .zh { font-size: clamp(2.4rem, 1.6rem + 3vw, 4.4rem); line-height: 1.2; }
.tarjeta .py { display: block; font-size: 1.5rem; }
.tarjeta .es { display: block; margin-top: 0.4rem; font-family: var(--font-display); font-size: 1.4rem; font-variation-settings: "WONK" 0; }
.tarjetas-botones { margin-top: 1rem; display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }

/* palabra del día: archivo */
.archivo { padding-block: 0 var(--sec); }
.archivo .side { grid-column: 1 / 5; }
.archivo h2 { font-size: clamp(1.9rem, 1.3rem + 2vw, 3rem); }
.archivo ol { grid-column: 6 / -1; display: grid; }
.archivo li { display: grid; grid-template-columns: 7rem 5rem minmax(0, 1fr); gap: 1rem; align-items: baseline; padding-block: 0.9rem; }
.archivo li:nth-child(odd) { background: var(--surface); margin-inline: -0.8rem; padding-inline: 0.8rem; }
.archivo .zh { font-size: 1.6rem; }
@media (max-width: 52em) { .archivo .side, .archivo h2, .archivo ol { grid-column: 1 / -1; } .archivo ol { margin-top: 1.6rem; } .archivo li { grid-template-columns: 5.5rem minmax(0, 1fr); } .archivo .cuando { grid-column: 1 / -1; } }

/* recursos */
.recursos { padding-block: clamp(3rem, 6vw, 5rem) var(--sec); }
.recursos section + section { margin-top: clamp(4rem, 8vw, 6rem); }
.recursos .side { grid-column: 1 / 5; }
.recursos h2 { font-size: clamp(1.9rem, 1.3rem + 2vw, 3rem); }
.recursos .lista { grid-column: 6 / -1; display: grid; gap: 1.8rem; }
.recursos .lista h3 { font-size: 1.35rem; letter-spacing: -0.01em; }
.recursos .lista p { margin-top: 0.4rem; }
.recursos .creditos li { padding-block: 0.8rem; display: grid; grid-template-columns: 10.5rem minmax(0, 1fr); gap: 1.4rem; align-items: center; }
.recursos .creditos img { width: 10.5rem; height: 8rem; object-fit: cover; }
@media (max-width: 40em) { .recursos .creditos li { grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1rem; } .recursos .creditos img { width: 6.5rem; height: 5.2rem; } }
.mosaico figcaption { max-width: none; }
@media (max-width: 52em) { .recursos .side, .recursos h2, .recursos .lista { grid-column: 1 / -1; } .recursos .lista { margin-top: 1.6rem; } }

/* ---------- pie ---------- */
.pie { background: var(--tinta); color: var(--papel); padding-block: clamp(4rem, 8vw, 7rem) 2.5rem; }
.pie .nombre { font-family: var(--font-display); font-size: clamp(2.6rem, 0.5rem + 9vw, 10.5rem); line-height: 0.92; letter-spacing: -0.045em; font-variation-settings: "WONK" 0; }
.pie .info { margin-top: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(12, 1fr); column-gap: var(--gap); row-gap: 2rem; color: var(--suave); font-size: 1rem; }
.pie .info > div:nth-child(1) { grid-column: 1 / 5; }
.pie .info > div:nth-child(2) { grid-column: 6 / 9; }
.pie .info > div:nth-child(3) { grid-column: 9 / -1; }
.pie .info a { color: #fff; }
.pie .info ul { display: grid; gap: 0.35rem; }
@media (max-width: 52em) { .pie .info > div { grid-column: 1 / -1 !important; } }

/* ---------- movimiento (el contenido queda visible sin JavaScript) ---------- */
.shutter { overflow: hidden; }
.lines .line { display: block; overflow: hidden; padding-bottom: 0.1em; margin-bottom: -0.1em; }
.lines [data-line] { display: block; }
@media (prefers-reduced-motion: no-preference) {
  .js [data-rise] { opacity: 0; transform: translateY(18px); animation: rise 800ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 90ms + 450ms); }
  .js .lines [data-line] { transform: translateY(105%); animation: line 950ms var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 110ms + 150ms); }
  .js [data-reveal] { opacity: 0; transform: translateY(24px); transition: opacity 700ms var(--ease-out), transform 900ms var(--ease-out); transition-delay: calc(var(--i, 0) * 80ms); }
  .js [data-reveal].is-in { opacity: 1; transform: none; }
  .js .shutter[data-reveal] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1200ms var(--ease-in-out); }
  .js .shutter[data-reveal] img { transform: scale(1.1); transition: transform 1600ms var(--ease-soft); }
  .js .shutter[data-reveal].is-in { clip-path: inset(0); }
  .js .shutter[data-reveal].is-in img { transform: none; }
}
@keyframes rise { to { opacity: 1; transform: none; } }
@keyframes line { to { transform: none; } }

/* ---------- landing (aprenderchinofacil.com) ---------- */
.portada { padding-block: clamp(2.5rem, 6vw, 5rem) clamp(4rem, 8vw, 7rem); }
.portada .grid { align-items: center; row-gap: 3rem; }
.portada .caracter { grid-column: 1 / 5; grid-row: 1; }
.portada .texto { grid-column: 6 / -1; grid-row: 1; }
.portada h1 { font-size: var(--step-display); line-height: 0.94; letter-spacing: -0.04em; max-width: 9ch; }
.portada .lead { margin-top: 1.8rem; }
.portada .trazos { box-shadow: none; }
.acciones { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem 1.8rem; align-items: center; }
@media (max-width: 52em) { .portada .texto, .portada .caracter { grid-column: 1 / -1; grid-row: auto; } .portada .caracter { max-width: 420px; } }
.camino { padding-block: var(--sec); }
.camino .grid { align-items: start; }
.camino .axis .lead { margin-top: 1.6rem; }
.unidades-l { margin-top: clamp(2rem, 4vw, 3rem); columns: 2 16rem; column-gap: var(--gap); }
.unidades-l li { break-inside: avoid; }
.unidades-l a { display: grid; grid-template-columns: 6.5rem minmax(0, 1fr); gap: 1rem; align-items: baseline; padding-block: 0.7rem; text-decoration: none; }
.unidades-l .zh { font-size: 1.35rem; transition: color 200ms; }
.unidades-l a:hover .zh { color: var(--accent); }
@media (max-width: 52em) { .camino .side { order: 2; margin-top: 3rem; } }
.redes-s { background: var(--celeste); color: var(--tinta); padding-block: var(--sec); }
.redes-s h2 { grid-column: 1 / 6; }
.redes-s .texto { grid-column: 6 / -1; align-self: end; }
.redes-s .boton.oscuro-b { background: var(--tinta); color: var(--papel); }
.redes-s .boton.oscuro-b:hover { background: var(--tinta-3); }
.placas { grid-column: 1 / -1; margin-top: clamp(3rem, 6vw, 5rem); display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: var(--gap); }
.placas img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform 400ms var(--ease-out); }
.placas li:hover img { transform: translateY(-6px); }
@media (max-width: 52em) { .redes-s h2, .redes-s .texto { grid-column: 1 / -1; } .redes-s .texto { margin-top: 1.4rem; } .placas { grid-template-columns: 1fr 1fr; } }

/* =====================================================================
   CAPA CINEMATOGRÁFICA — profundidad, luz, textura y movimiento.
   Pintura a sangre con niebla, vidrio esmerilado, grano de papel de arroz,
   degradés de tinta con resplandor, sombras en capas y cuadrícula 米 para los caracteres.
   ===================================================================== */
:root {
  --radio: 20px; --radio-s: 14px;
  --sombra-1: 0 1px 2px rgba(11,27,48,.06), 0 10px 28px -12px rgba(11,27,48,.22);
  --sombra-2: 0 2px 6px rgba(11,27,48,.06), 0 30px 70px -28px rgba(11,27,48,.45);
  --sombra-3: 0 4px 10px rgba(11,27,48,.08), 0 50px 110px -40px rgba(11,27,48,.6);
  --grano: 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='.8' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 .05 0 0 0 0 .1 0 0 0 0 .18 0 0 0 1.6 -.35'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  --tinta-fondo: radial-gradient(900px 520px at var(--mx, 18%) var(--my, 0%), rgba(116,172,223,.22), transparent 62%),
                 radial-gradient(760px 560px at 100% 100%, rgba(200,38,30,.2), transparent 60%),
                 linear-gradient(180deg, #10264A 0%, #0B1B30 55%, #071322 100%);
}
body { background: radial-gradient(1300px 700px at 92% -8%, rgba(116,172,223,.26), transparent 62%), radial-gradient(1000px 600px at -12% 38%, rgba(200,38,30,.07), transparent 60%), radial-gradient(900px 700px at 50% 120%, rgba(116,172,223,.14), transparent 60%), var(--bg); background-attachment: fixed; }
body::after { content: ""; position: fixed; inset: 0; pointer-events: none; z-index: 90; background-image: var(--grano); opacity: .07; mix-blend-mode: multiply; }

/* barra de vidrio, fija */
.bar { position: sticky; top: 0; z-index: 60; background: color-mix(in srgb, var(--bg) 70%, transparent); -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4); box-shadow: 0 1px 0 rgba(11,27,48,.06), 0 12px 30px -24px rgba(11,27,48,.5); transition: background-color 300ms, color 300ms, box-shadow 300ms; }
.con-cine .bar { position: fixed; left: 0; right: 0; background: transparent; box-shadow: none; -webkit-backdrop-filter: none; backdrop-filter: none; color: #fff; }
.con-cine .bar .ir { color: #fff; }
.con-cine .bar.solida { background: color-mix(in srgb, var(--bg) 72%, transparent); -webkit-backdrop-filter: blur(18px) saturate(1.4); backdrop-filter: blur(18px) saturate(1.4); color: var(--ink); box-shadow: 0 1px 0 rgba(11,27,48,.06), 0 12px 30px -24px rgba(11,27,48,.5); }
.con-cine .bar.solida .ir { color: var(--accent); }
.marca img { box-shadow: 0 6px 16px -6px rgba(11,27,48,.5); }

/* botones con luz */
.boton { border-radius: 999px; background: linear-gradient(180deg, #DD3D31 0%, #B71E16 100%); box-shadow: 0 1px 0 rgba(255,255,255,.28) inset, 0 14px 30px -12px rgba(200,38,30,.75), 0 2px 6px rgba(120,16,10,.25); position: relative; overflow: hidden; isolation: isolate; transition: transform 220ms var(--ease-out), box-shadow 300ms, background-position 400ms; will-change: transform; }
.boton::after { content: ""; position: absolute; inset: 0; z-index: -1; background: linear-gradient(105deg, transparent 30%, rgba(255,255,255,.35) 48%, transparent 66%); transform: translateX(-120%); transition: transform 900ms var(--ease-out); }
.boton:hover { background: linear-gradient(180deg, #E4473A 0%, #C0231A 100%); box-shadow: 0 1px 0 rgba(255,255,255,.3) inset, 0 22px 44px -14px rgba(200,38,30,.85), 0 3px 8px rgba(120,16,10,.25); }
.boton:hover::after { transform: translateX(120%); }
.boton.claro { background: linear-gradient(180deg, #fff, #F1F4F7); color: var(--accent); box-shadow: 0 1px 0 #fff inset, 0 18px 40px -16px rgba(0,0,0,.45); }
.boton.vidrio { background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.38); -webkit-backdrop-filter: blur(14px) saturate(1.3); backdrop-filter: blur(14px) saturate(1.3); box-shadow: 0 20px 40px -20px rgba(0,0,0,.6), 0 1px 0 rgba(255,255,255,.25) inset; }
.boton.vidrio:hover { background: rgba(255,255,255,.22); }
.oir { border-radius: 999px; box-shadow: 0 6px 16px -10px rgba(11,27,48,.45); }
.oir.suave { background: linear-gradient(180deg, #fff, #EEF2F1); box-shadow: 0 1px 0 #fff inset, 0 8px 20px -12px rgba(11,27,48,.45), 0 0 0 1px rgba(11,27,48,.06); }
.oir.claro { background: #fff; color: var(--tinta); border-color: #fff; }
.oir.claro:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

/* ---------- portada cinematográfica ---------- */
.cine { position: relative; min-height: max(640px, 100svh); display: grid; align-items: end; overflow: hidden; color: #fff; background: #0B1B30; isolation: isolate; }
.cine-fondo { position: absolute; inset: -6% 0 -6% 0; z-index: -3; }
.cine-fondo img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 40%; transform: scale(1.12); filter: saturate(1.08) contrast(1.05); }
@media (prefers-reduced-motion: no-preference) { .cine-fondo { animation: acercar 26s var(--ease-soft) infinite alternate; } }
@keyframes acercar { from { transform: scale(1); } to { transform: scale(1.07) translateX(-1.5%); } }
.cine::before { content: ""; position: absolute; inset: 0; z-index: -2; background:
  linear-gradient(180deg, rgba(7,19,34,.72) 0%, rgba(7,19,34,.12) 26%, rgba(7,19,34,0) 46%, rgba(7,19,34,.55) 74%, rgba(7,19,34,.94) 100%),
  radial-gradient(1100px 600px at 18% 78%, rgba(7,19,34,.55), transparent 70%),
  radial-gradient(900px 500px at 85% 15%, rgba(200,38,30,.18), transparent 70%); }
.cine::after { content: ""; position: absolute; inset: 0; z-index: -1; background-image: var(--grano); opacity: .16; mix-blend-mode: overlay; pointer-events: none; }
.cine-niebla { position: absolute; inset: 0; z-index: -1; pointer-events: none; overflow: hidden; }
.cine-niebla span { position: absolute; width: 70vw; height: 40vh; border-radius: 50%; background: radial-gradient(closest-side, rgba(235,242,250,.42), rgba(235,242,250,0)); filter: blur(24px); opacity: .55; }
.cine-niebla span:nth-child(1) { left: -20vw; top: 34%; animation: niebla 38s linear infinite; }
.cine-niebla span:nth-child(2) { left: 30vw; top: 52%; width: 90vw; animation: niebla 52s linear infinite reverse; opacity: .4; }
.cine-niebla span:nth-child(3) { left: 60vw; top: 20%; width: 60vw; height: 30vh; animation: niebla 44s linear infinite; opacity: .3; }
@keyframes niebla { 0% { transform: translateX(-12vw); } 50% { transform: translateX(12vw); } 100% { transform: translateX(-12vw); } }
@media (prefers-reduced-motion: reduce) { .cine-niebla span { animation: none; } }
.cine-contenido { position: relative; padding-block: 9rem clamp(5rem, 9vh, 7.5rem); }
.cine-contenido .grid { align-items: end; row-gap: 3rem; }
.cine-texto { grid-column: 1 / 8; }
.cine-sello { display: inline-flex; align-items: center; gap: .7rem; padding: .35rem .9rem .35rem .35rem; border-radius: 999px; background: rgba(255,255,255,.1); border: 1px solid rgba(255,255,255,.25); -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); font-size: 1rem; }
.sello-mini { display: grid; place-items: center; width: 2.1rem; height: 2.1rem; border-radius: 999px; background: linear-gradient(180deg, #DD3D31, #A81F18); font-size: 1.15rem; box-shadow: 0 6px 14px -6px rgba(200,38,30,.9); }
.cine h1 { margin-top: 1.6rem; font-size: clamp(3rem, 1rem + 6.4vw, 7.6rem); line-height: .94; letter-spacing: -.04em; text-shadow: 0 10px 40px rgba(0,0,0,.35); }
.cine .lead { margin-top: 1.6rem; max-width: 40ch; color: rgba(255,255,255,.88); }
.cine .acc { margin-top: 2.2rem; display: flex; flex-wrap: wrap; gap: 1rem; }
.cine-tarjeta { grid-column: 9 / -1; justify-self: end; width: min(100%, 360px); padding: 1.4rem 1.5rem 1.3rem; border-radius: 26px; color: #fff;
  background: linear-gradient(160deg, rgba(255,255,255,.2), rgba(255,255,255,.06)); border: 1px solid rgba(255,255,255,.3);
  -webkit-backdrop-filter: blur(22px) saturate(1.5); backdrop-filter: blur(22px) saturate(1.5);
  box-shadow: 0 1px 0 rgba(255,255,255,.35) inset, 0 40px 90px -30px rgba(0,0,0,.75); }
.tarjeta-cabeza { display: flex; justify-content: space-between; font-size: .95rem; color: rgba(255,255,255,.78); }
.tarjeta-zh { margin-top: .8rem; font-size: clamp(3.6rem, 2rem + 4vw, 5.4rem); line-height: 1.05; text-shadow: 0 8px 30px rgba(0,0,0,.35); }
.tarjeta-py { margin-top: .5rem; font-size: 1.5rem; }
.cine .tarjeta-py .t1 { color: #FF8A7E; } .cine .tarjeta-py .t2 { color: #FFC266; } .cine .tarjeta-py .t3 { color: #7FE39A; } .cine .tarjeta-py .t4 { color: #9DBBFF; } .cine .tarjeta-py .t0 { color: #C9D3DE; }
.tarjeta-es { font-family: var(--font-display); font-size: 1.35rem; font-variation-settings: "WONK" 0; color: rgba(255,255,255,.92); }
.tarjeta-tonos { margin-top: 1.1rem; display: grid; grid-template-columns: repeat(4, 1fr); gap: .4rem; }
.tarjeta-tonos i { height: 4px; border-radius: 4px; background: currentColor; opacity: .9; transform-origin: left; }
.tarjeta-tonos .t1 { color: #FF8A7E; } .tarjeta-tonos .t2 { color: #FFC266; } .tarjeta-tonos .t3 { color: #7FE39A; } .tarjeta-tonos .t4 { color: #9DBBFF; }
@media (prefers-reduced-motion: no-preference) { .tarjeta-tonos i { animation: pulso-tono 3.2s var(--ease-in-out) infinite; } .tarjeta-tonos i:nth-child(2) { animation-delay: .4s; } .tarjeta-tonos i:nth-child(3) { animation-delay: .8s; } .tarjeta-tonos i:nth-child(4) { animation-delay: 1.2s; } }
@keyframes pulso-tono { 0%, 100% { transform: scaleX(.35); opacity: .5; } 50% { transform: scaleX(1); opacity: 1; } }
.tarjeta-pie { margin-top: 1.2rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.cine-credito { position: absolute; right: var(--m); bottom: 1.1rem; max-width: 46ch; text-align: right; font-size: .84rem; color: rgba(255,255,255,.62); }
.cine-bajar { position: absolute; left: 50%; bottom: 1.4rem; width: 26px; height: 42px; margin-left: -13px; border-radius: 999px; border: 1.5px solid rgba(255,255,255,.6); }
.cine-bajar span { position: absolute; left: 50%; top: 8px; width: 4px; height: 8px; margin-left: -2px; border-radius: 4px; background: #fff; animation: bajar 1.8s var(--ease-in-out) infinite; }
@keyframes bajar { 0% { transform: translateY(0); opacity: 1; } 80% { transform: translateY(14px); opacity: 0; } 100% { opacity: 0; } }
@media (max-width: 52em) {
  .cine-texto, .cine-tarjeta { grid-column: 1 / -1; justify-self: stretch; }
  .cine-contenido { padding-block: 9.5rem 4.5rem; }
  .cine-tarjeta { width: 100%; }
  .cine-credito { position: static; padding: 0 var(--m) 1rem; text-align: left; }
  .cine-bajar { display: none; }
}

/* ---------- secciones oscuras: tinta con resplandor y textura de caracteres ---------- */
.ahora, .tonos, .dialogo, .entreno.oscuro, .pie, .noche { background: var(--tinta-fondo); }
.brilla { position: relative; isolation: isolate; }
.textura { position: relative; overflow: hidden; isolation: isolate; }
.textura::before { content: attr(data-textura); position: absolute; z-index: -1; top: -2rem; right: -1rem; height: calc(100% + 4rem); writing-mode: vertical-rl; font-family: var(--font-zh); font-weight: 700; font-size: clamp(5rem, 9vw, 9.5rem); line-height: 1.12; letter-spacing: .08em; color: currentColor; opacity: .045; pointer-events: none; white-space: normal; overflow: hidden; }
.cierre.textura::before { opacity: .09; }

/* ---------- planos de color con degradé ---------- */
.hoy { background: linear-gradient(180deg, #E8F1FA 0%, #F2F5F4 60%, var(--bg) 100%); }
.truco { background: radial-gradient(700px 300px at 85% 0%, rgba(255,255,255,.35), transparent 70%), linear-gradient(120deg, #8EC0EA 0%, #6AA3DA 100%); }
.cierre { background: radial-gradient(900px 500px at 82% -10%, rgba(255,255,255,.22), transparent 62%), radial-gradient(700px 500px at 0% 110%, rgba(60,0,0,.35), transparent 60%), linear-gradient(135deg, #D9372C 0%, #A51911 100%); }
.redes-s { background: radial-gradient(800px 400px at 90% 0%, rgba(255,255,255,.35), transparent 70%), linear-gradient(160deg, #8EC0EA, #5F99D2); }

/* ---------- tarjetas, cajas y obras con volumen ---------- */
.cuadro-zh, .trazos, .trazado .cuadro, .tarjeta { border-radius: var(--radio); box-shadow: var(--sombra-2);
  background-color: #fff;
  background-image:
    linear-gradient(to right, transparent calc(50% - .5px), rgba(200,38,30,.16) calc(50% - .5px), rgba(200,38,30,.16) calc(50% + .5px), transparent calc(50% + .5px)),
    linear-gradient(to bottom, transparent calc(50% - .5px), rgba(200,38,30,.16) calc(50% - .5px), rgba(200,38,30,.16) calc(50% + .5px), transparent calc(50% + .5px)),
    linear-gradient(45deg, transparent calc(50% - .6px), rgba(200,38,30,.08) calc(50% - .6px), rgba(200,38,30,.08) calc(50% + .6px), transparent calc(50% + .6px)),
    linear-gradient(-45deg, transparent calc(50% - .6px), rgba(200,38,30,.08) calc(50% - .6px), rgba(200,38,30,.08) calc(50% + .6px), transparent calc(50% + .6px)),
    radial-gradient(120% 120% at 30% 10%, #fff 0%, #F7F8F6 100%); }
.tarjeta { background-image: radial-gradient(120% 120% at 30% 10%, #fff 0%, #F4F6F5 100%); }
.trazos, .cuadro-zh { outline: 1px solid rgba(200,38,30,.22); outline-offset: -10px; }
.tono { border-radius: var(--radio); background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.02)); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 1px 0 rgba(255,255,255,.08) inset, 0 34px 70px -34px rgba(0,0,0,.8); -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px); transition: transform 320ms var(--ease-out), box-shadow 320ms, background-color 220ms; }
.tono:hover { transform: translateY(-8px); background: linear-gradient(160deg, rgba(255,255,255,.16), rgba(255,255,255,.04)); box-shadow: 0 1px 0 rgba(255,255,255,.12) inset, 0 46px 90px -34px rgba(0,0,0,.9); }
.tono svg path { filter: drop-shadow(0 0 8px currentColor); }
.oido-caja, .opciones-tono button { border-radius: var(--radio-s); }
.opciones-tono button { background: linear-gradient(180deg, rgba(255,255,255,.1), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,.12); box-shadow: 0 20px 40px -24px rgba(0,0,0,.8); }
.unidades-obra a { padding: .7rem .7rem 1.1rem; border-radius: calc(var(--radio) + 4px); transition: background-color 300ms, box-shadow 300ms, transform 300ms var(--ease-out); }
.unidades-obra a:hover { background: rgba(255,255,255,.75); box-shadow: var(--sombra-2); transform: translateY(-6px); }
.unidades-obra li { overflow: visible; }
.unidades-obra img, .galeria .obra-g img, .obra-lateral img, .metodo .side img, .camino .side img { border-radius: var(--radio); box-shadow: var(--sombra-2); }
.unidades-obra a:hover img { transform: scale(1.02); }
.galeria .obra-g figure { transition: transform 400ms var(--ease-out); }
.galeria .obra-g figure:hover { transform: translateY(-6px); }
.metodo .shutter { border-radius: var(--radio); box-shadow: var(--sombra-3); }
.mosaico { gap: 10px; padding-inline: 10px; }
.mosaico figure, .mosaico .teja { border-radius: var(--radio); overflow: hidden; box-shadow: var(--sombra-2); }
.mosaico img { transition: transform 1.2s var(--ease-out); }
.mosaico figure:hover img { transform: scale(1.06); }
.teja.roja { background: radial-gradient(500px 300px at 80% 0%, rgba(255,255,255,.22), transparent 70%), linear-gradient(135deg, #D9372C, #A51911); }
.teja.celeste { background: radial-gradient(500px 300px at 80% 0%, rgba(255,255,255,.35), transparent 70%), linear-gradient(135deg, #8EC0EA, #5F99D2); }
.cabecera .lienzo { border-radius: 0; }
.cabecera .lienzo::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(246,247,245,0) 60%, rgba(11,27,48,.25)); pointer-events: none; }
.cabecera img { transform: scale(1.12); }
.pasar a { border-radius: var(--radio); background: linear-gradient(160deg, #fff, #EEF2F1); box-shadow: var(--sombra-1); transition: transform 300ms var(--ease-out), box-shadow 300ms; }
.pasar a:hover { background: linear-gradient(160deg, #fff, #E8EEEC); transform: translateY(-4px); box-shadow: var(--sombra-2); }
.frases .lista-frases > .frase:nth-child(even) { border-radius: var(--radio); background: linear-gradient(90deg, rgba(255,255,255,.85), rgba(233,236,232,.6)); box-shadow: var(--sombra-1); margin-inline: calc(var(--m) * -0.5); padding-inline: calc(var(--m) * 0.5); }
.linea > div { padding: 1.1rem 1.3rem 1.2rem; border-radius: var(--radio); background: linear-gradient(160deg, rgba(255,255,255,.1), rgba(255,255,255,.03)); border: 1px solid rgba(255,255,255,.1); box-shadow: 0 30px 60px -36px rgba(0,0,0,.9); }
.linea.b > div { background: linear-gradient(160deg, rgba(116,172,223,.2), rgba(116,172,223,.06)); }
.placas img { border-radius: var(--radio); box-shadow: var(--sombra-3); }
.recursos .creditos img { border-radius: var(--radio-s); box-shadow: var(--sombra-1); }
.ahora .saludo .zh { text-shadow: 0 0 60px rgba(116,172,223,.35); }
.ahora .hora { background: linear-gradient(180deg, #fff 30%, #9FC3EA); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fila b { background: linear-gradient(180deg, var(--ink) 40%, #3B5E8C); -webkit-background-clip: text; background-clip: text; color: transparent; }
.fila li { padding: 1.4rem 1.4rem 1.5rem; border-radius: var(--radio); background: linear-gradient(160deg, rgba(255,255,255,.85), rgba(255,255,255,.4)); box-shadow: var(--sombra-1); flex: 1 1 13rem; max-width: none; }
.pie .nombre { background: linear-gradient(180deg, #fff 35%, #7FA9D8); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* ---------- cinta de palabras en movimiento ---------- */
.cinta { overflow: hidden; padding-block: 2.2rem; background: linear-gradient(90deg, var(--bg), rgba(233,236,232,.7), var(--bg)); -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.cinta-pista { display: flex; width: max-content; gap: 3.2rem; animation: cinta 60s linear infinite; }
.cinta:hover .cinta-pista { animation-play-state: paused; }
.cinta-item { display: inline-flex; align-items: baseline; gap: .8rem; white-space: nowrap; }
.cinta-item .zh { font-size: clamp(2.2rem, 1.4rem + 2vw, 3.4rem); }
.cinta-item .py { font-size: 1.15rem; }
.cinta-item .es { font-family: var(--font-display); font-style: italic; color: var(--muted); font-size: 1.15rem; }
@keyframes cinta { to { transform: translateX(-50%); } }
@media (prefers-reduced-motion: reduce) { .cinta-pista { animation: none; } }

/* ---------- antípodas de noche ---------- */
.antipodas.noche { color: #fff; background:
  radial-gradient(1px 1px at 12% 18%, rgba(255,255,255,.8), transparent), radial-gradient(1px 1px at 28% 72%, rgba(255,255,255,.6), transparent),
  radial-gradient(1.5px 1.5px at 44% 34%, rgba(255,255,255,.7), transparent), radial-gradient(1px 1px at 63% 12%, rgba(255,255,255,.6), transparent),
  radial-gradient(1px 1px at 78% 58%, rgba(255,255,255,.7), transparent), radial-gradient(1.5px 1.5px at 90% 26%, rgba(255,255,255,.8), transparent),
  radial-gradient(1px 1px at 8% 88%, rgba(255,255,255,.5), transparent), radial-gradient(1px 1px at 55% 90%, rgba(255,255,255,.5), transparent),
  radial-gradient(1px 1px at 36% 8%, rgba(255,255,255,.6), transparent), radial-gradient(1px 1px at 70% 80%, rgba(255,255,255,.5), transparent),
  radial-gradient(900px 600px at 72% 50%, rgba(116,172,223,.22), transparent 65%),
  radial-gradient(600px 400px at 10% 100%, rgba(200,38,30,.18), transparent 60%),
  linear-gradient(180deg, #050C18 0%, #0B1B30 50%, #050C18 100%); }
.antipodas.noche blockquote { color: #fff; text-shadow: 0 8px 40px rgba(116,172,223,.25); }
.antipodas.noche .texto p, .antipodas.noche .globo-ayuda { color: rgba(255,255,255,.75); }
.antipodas.noche .enlace { color: #fff; }

/* ---------- brillo que sigue al cursor ---------- */
.brilla::after { content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none; opacity: 0; transition: opacity 400ms; background: radial-gradient(520px 520px at var(--cx, 50%) var(--cy, 50%), rgba(116,172,223,.16), transparent 60%); }
.brilla.activo::after { opacity: 1; }
.pie.brilla::after, .pie::after { z-index: -1; }

/* ---------- entradas con desenfoque ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] { filter: blur(10px); transform: translateY(34px) scale(.985); transition: opacity 900ms var(--ease-out), transform 1100ms var(--ease-out), filter 900ms var(--ease-out); }
  .js [data-reveal].is-in { filter: none; transform: none; }
  .js [data-rise] { filter: blur(8px); }
  @keyframes rise { to { opacity: 1; transform: none; filter: none; } }
}
.js .tono[data-reveal].is-in:hover { transform: translateY(-8px); }
.js .galeria .obra-g[data-reveal].is-in figure:hover { transform: translateY(-6px); }

.fila b { white-space: nowrap; font-size: clamp(1.8rem, 1rem + 1.9vw, 3rem); }
.fila b span { display: inline; }
.indice .grid > h2, .indice .grid > .intro { position: sticky; top: 110px; }
.indice .grid > .intro { top: calc(110px + 5.5rem); }
@media (max-width: 52em) { .indice .grid > h2, .indice .grid > .intro { position: static; } }

/* landing: el carácter para trazar dentro de la tarjeta de vidrio */
.landing-cine .cine-tarjeta { width: min(100%, 400px); }
.landing-cine .trazos { margin-top: 1rem; }
.landing-cine .trazos > .zh { color: var(--tinta); }
.landing-cine .tarjeta-py { display: flex; align-items: baseline; gap: .4rem; }
.landing-cine .tarjeta-py .py { color: #FFC266; }
.landing-cine .botones { margin-top: 1rem; display: flex; flex-wrap: wrap; gap: .5rem; }
.landing-cine .estado { margin-top: .6rem; min-height: 1.4em; font-weight: 600; color: #fff; }
.oir.vidrio-b { color: #fff; border-color: rgba(255,255,255,.45); background: rgba(255,255,255,.08); }
.oir.vidrio-b:hover { background: #fff; color: var(--tinta); border-color: #fff; }

/* páginas interiores: titulares con luz y el carácter grande en tinta degradada */
.titular { position: relative; background: radial-gradient(900px 420px at 12% 20%, rgba(116,172,223,.22), transparent 65%), radial-gradient(700px 380px at 95% 100%, rgba(200,38,30,.07), transparent 60%); }
.titular .zh-grande { background: linear-gradient(170deg, #0B1B30 30%, #2C5A92 100%); -webkit-background-clip: text; background-clip: text; color: transparent; filter: drop-shadow(0 18px 30px rgba(11,27,48,.18)); }
.miga { position: relative; z-index: 1; }
.galeria { background: linear-gradient(180deg, transparent, rgba(233,236,232,.7)); padding-bottom: var(--sec); }
.caracter .botones .oir, .frase .botones .oir { min-height: 2.5rem; }

/* ---------- pronunciación aproximada (se activa en Ajustes) ---------- */
.fig { display: none; font-family: var(--font-display); font-style: italic; font-size: .98em; color: var(--muted); letter-spacing: .01em; font-variation-settings: "WONK" 0; }
.fig::before { content: "≈ "; font-style: normal; opacity: .6; }
.con-figurada .fig { display: block; margin-top: .15rem; }
.oscuro .fig, .cine .fig { color: rgba(255,255,255,.75); }
.linea-botones, .ahora-botones, .tarjeta-botones { display: flex; flex-wrap: wrap; gap: .5rem; }
.linea-botones { margin-top: .8rem; }
.linea-botones .oir { margin-top: 0; }
.ahora-botones { margin-top: 2rem; }
.ahora-botones .oir { margin-top: 0; }
.oir.sonando { animation: sonando 900ms var(--ease-out); }
@keyframes sonando { 0% { box-shadow: 0 0 0 0 rgba(200,38,30,.45); } 100% { box-shadow: 0 0 0 14px rgba(200,38,30,0); } }

/* ---------- panel flotante de ajustes de audio ---------- */
.ajustes { position: fixed; z-index: 80; right: max(16px, env(safe-area-inset-right, 0px)); bottom: calc(16px + env(safe-area-inset-bottom, 0px)); display: grid; justify-items: end; gap: .7rem; }
.aj-abrir { display: inline-flex; align-items: center; gap: .55rem; min-height: 3rem; padding: 0 1.15rem 0 .95rem; border-radius: 999px; font-weight: 600; color: #fff;
  background: linear-gradient(180deg, rgba(19,42,72,.92), rgba(11,27,48,.92)); border: 1px solid rgba(255,255,255,.16);
  -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px); box-shadow: 0 18px 40px -16px rgba(11,27,48,.75), 0 1px 0 rgba(255,255,255,.14) inset; transition: transform 200ms var(--ease-out); }
.aj-abrir:hover { transform: translateY(-2px); }
.aj-abrir svg { width: 1.15rem; height: 1.15rem; }
.aj-panel { width: min(360px, calc(100vw - 32px)); padding: 1.2rem 1.25rem 1.1rem; border-radius: 24px; color: var(--ink);
  background: linear-gradient(160deg, rgba(255,255,255,.96), rgba(242,246,248,.92)); border: 1px solid rgba(11,27,48,.08);
  -webkit-backdrop-filter: blur(20px) saturate(1.4); backdrop-filter: blur(20px) saturate(1.4); box-shadow: var(--sombra-3); }
.aj-cabeza { display: flex; justify-content: space-between; align-items: center; font-family: var(--font-display); font-size: 1.25rem; font-variation-settings: "WONK" 0; }
.aj-cerrar { width: 2.4rem; height: 2.4rem; border-radius: 999px; font-size: 1.5rem; line-height: 1; color: var(--muted); }
.aj-cerrar:hover { background: var(--surface); color: var(--ink); }
.aj-grupo { border: 0; margin: 1rem 0 0; padding: 0; }
.aj-grupo legend { font-weight: 600; font-size: .95rem; margin-bottom: .45rem; }
.aj-opciones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4px; padding: 4px; border-radius: 999px; background: var(--surface); box-shadow: inset 0 1px 3px rgba(11,27,48,.12); }
.aj-opciones label { position: relative; }
.aj-opciones input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
.aj-opciones span { display: grid; place-items: center; min-height: 2.5rem; border-radius: 999px; font-size: .95rem; font-weight: 600; color: var(--muted); transition: background-color 200ms, color 200ms, box-shadow 200ms; }
.aj-opciones input:checked + span { background: #fff; color: var(--ink); box-shadow: 0 6px 14px -8px rgba(11,27,48,.5); }
.aj-opciones input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.aj-interruptor { margin-top: 1.1rem; display: grid; grid-template-columns: auto 1fr; gap: .8rem; align-items: center; font-size: .97rem; line-height: 1.35; cursor: pointer; }
.aj-interruptor input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.aj-pista { width: 46px; height: 28px; border-radius: 999px; background: #C9D1CF; position: relative; transition: background-color 200ms; box-shadow: inset 0 1px 3px rgba(0,0,0,.18); }
.aj-pista::after { content: ""; position: absolute; top: 3px; left: 3px; width: 22px; height: 22px; border-radius: 50%; background: #fff; box-shadow: 0 2px 6px rgba(0,0,0,.3); transition: transform 220ms var(--ease-out); }
.aj-interruptor input:checked + .aj-pista { background: linear-gradient(180deg, #DD3D31, #B71E16); }
.aj-interruptor input:checked + .aj-pista::after { transform: translateX(18px); }
.aj-interruptor input:focus-visible + .aj-pista { outline: 3px solid var(--accent); outline-offset: 2px; }
.aj-probar { margin-top: 1.1rem; }
.aj-nota { margin-top: .8rem; font-size: .88rem; color: var(--muted); }
@media (max-width: 40em) { .aj-abrir span { display: none; } .aj-abrir { padding: 0; width: 3.2rem; justify-content: center; } }