/* KartonLab — Edición completa */
:root {
  --bg: #f6efe3;
  --bg2: #efe4d0;
  --card: #fffaf2;
  --ink: #2b241d;
  --ink2: #5c5145;
  --line: #e0d2bb;
  --brown: #6b3f22;
  --brown2: #8a5a35;
  --teal: #2f7d6d;
  --teal-bg: #e1f0ec;
  --orange: #d9822b;
  --orange-bg: #fbecd9;
  --red: #b93a2c;
  --red-bg: #f9e2de;
  --blue: #3b6fa8;
  --blue-bg: #e3edf7;
  --shadow: 0 1px 2px rgba(60, 40, 20, .06), 0 4px 14px rgba(60, 40, 20, .07);
  --radius: 14px;
  --font: "Nunito", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --display: "Fredoka", "Nunito", system-ui, sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #1d1915; --bg2: #26211b; --card: #2b2520; --ink: #f1e8da; --ink2: #c4b6a3; --line: #433a30;
    --brown: #d9a273; --brown2: #e2b48a; --teal: #6cc4b0; --teal-bg: #1f3a34; --orange: #f0a14e; --orange-bg: #3d2c18;
    --red: #f08070; --red-bg: #3e221e; --blue: #8db8e6; --blue-bg: #1f2c3b; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.25);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #1d1915; --bg2: #26211b; --card: #2b2520; --ink: #f1e8da; --ink2: #c4b6a3; --line: #433a30;
  --brown: #d9a273; --brown2: #e2b48a; --teal: #6cc4b0; --teal-bg: #1f3a34; --orange: #f0a14e; --orange-bg: #3d2c18;
  --red: #f08070; --red-bg: #3e221e; --blue: #8db8e6; --blue-bg: #1f2c3b; --shadow: 0 1px 2px rgba(0,0,0,.3), 0 4px 14px rgba(0,0,0,.25);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: var(--teal); text-underline-offset: 2px; }
a:hover { color: var(--brown); }
h1, h2, h3, h4 { font-family: var(--display); line-height: 1.2; margin: 1.4em 0 .5em; font-weight: 600; }
h1 { font-size: clamp(1.9rem, 4vw, 2.8rem); margin-top: .3em; }
h2 { font-size: clamp(1.4rem, 3vw, 1.85rem); color: var(--brown); }
h3 { font-size: 1.2rem; }
p { margin: .5em 0 .9em; }
ul, ol { padding-left: 1.3em; }
li { margin: .25em 0; }
table { border-collapse: collapse; width: 100%; font-size: .95rem; }
th, td { text-align: left; padding: .55em .7em; border-bottom: 1px solid var(--line); vertical-align: top; }
th { background: var(--bg2); font-weight: 700; }
.tabla-scroll { overflow-x: auto; }
code, .mono { font-family: var(--mono); font-size: .9em; }
kbd { font-family: var(--mono); font-size: .8em; border: 1px solid var(--line); border-bottom-width: 2px; border-radius: 4px; padding: 0 .35em; background: var(--card); }

/* ---------- cabecera ---------- */
.top { position: sticky; top: 0; z-index: 50; background: #6b3f22; color: #fff; box-shadow: 0 2px 10px rgba(0,0,0,.15); }
:root[data-theme="dark"] .top, :root:not([data-theme="light"]) .top { }
.top-in { max-width: 1200px; margin: 0 auto; padding: 0 16px; display: flex; align-items: center; gap: 12px; min-height: 60px; }
.logo { font-family: var(--display); font-weight: 700; font-size: 1.15rem; color: #fff; text-decoration: none; letter-spacing: .02em; display: flex; align-items: center; gap: .5em; white-space: nowrap; }
.logo:hover { color: #ffe3c2; }
.logo svg { width: 30px; height: 30px; flex: none; }
.nav { display: flex; gap: 2px; margin-left: auto; flex-wrap: wrap; }
.nav a { color: #f6e6d3; text-decoration: none; padding: .4em .75em; border-radius: 8px; font-weight: 600; font-size: .95rem; }
.nav a:hover, .nav a.on { background: rgba(255,255,255,.14); color: #fff; }
.tema { background: none; border: 1px solid rgba(255,255,255,.35); color: #fff; border-radius: 8px; padding: .3em .55em; cursor: pointer; font-size: .9rem; }
.menu-btn { display: none; background: none; border: 1px solid rgba(255,255,255,.35); color: #fff; border-radius: 8px; padding: .35em .6em; font-size: 1rem; cursor: pointer; margin-left: auto; }
@media (max-width: 820px) {
  .menu-btn { display: block; }
  .nav { display: none; position: absolute; top: 60px; left: 0; right: 0; background: #6b3f22; flex-direction: column; padding: 8px 16px 14px; }
  .nav.abierto { display: flex; }
  .tema { margin-left: 4px; }
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 860px; }
.pie { margin-top: 64px; padding: 28px 16px 40px; text-align: center; color: var(--ink2); font-size: .9rem; border-top: 1px solid var(--line); }

/* ---------- elementos ---------- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px 22px; }
.chip { display: inline-flex; align-items: center; gap: .35em; font-size: .82rem; font-weight: 700; padding: .22em .7em; border-radius: 999px; background: var(--bg2); color: var(--ink2); white-space: nowrap; }
.chip.ok { background: var(--teal-bg); color: var(--teal); }
.chip.kit { background: var(--orange-bg); color: var(--orange); }
.chip.adulto { background: var(--red-bg); color: var(--red); }
.chip.cat { background: var(--blue-bg); color: var(--blue); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.btn { display: inline-flex; align-items: center; gap: .45em; font: inherit; font-weight: 700; font-size: .95rem; padding: .6em 1.05em; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); cursor: pointer; text-decoration: none; box-shadow: var(--shadow); }
.btn:hover { border-color: var(--brown2); color: var(--brown); }
.btn.pri { background: var(--teal); color: #fff; border-color: var(--teal); }
.btn.pri:hover { filter: brightness(1.08); color: #fff; }
.btn.nar { background: var(--orange); color: #fff; border-color: var(--orange); }
.btn.nar:hover { filter: brightness(1.06); color: #fff; }
.btns { display: flex; flex-wrap: wrap; gap: 10px; }
.estrellas { color: var(--orange); letter-spacing: 1px; }
.estrellas .off { color: var(--line); }

.aviso, .consejo, .nota { border-radius: 12px; padding: 14px 18px; margin: 14px 0; border-left: 5px solid; }
.aviso { background: var(--red-bg); border-color: var(--red); }
.consejo { background: var(--teal-bg); border-color: var(--teal); }
.nota { background: var(--orange-bg); border-color: var(--orange); }
.aviso > strong:first-child, .consejo > strong:first-child, .nota > strong:first-child { display: block; margin-bottom: .2em; font-family: var(--display); font-size: 1.05rem; }
.aviso p:last-child, .consejo p:last-child, .nota p:last-child { margin-bottom: 0; }

ul.checklist { list-style: none; padding-left: 0; }
ul.checklist li { display: flex; gap: .6em; align-items: flex-start; padding: .35em 0; border-bottom: 1px dashed var(--line); cursor: pointer; }
ul.checklist li::before { content: ""; flex: none; width: 1.15em; height: 1.15em; margin-top: .22em; border: 2px solid var(--brown2); border-radius: 5px; background: var(--card); }
ul.checklist li.hecho::before { background: var(--teal); border-color: var(--teal); box-shadow: inset 0 0 0 2px var(--card); }
ul.checklist li.hecho { color: var(--ink2); }

figure { margin: 18px 0; }
figure svg, .lamina svg { width: 100%; height: auto; display: block; }
.lamina { background: #fff; color: #2b2b2b; border-radius: 12px; border: 1px solid var(--line); padding: 14px; }
figcaption { font-size: .9rem; color: var(--ink2); margin-top: 8px; }

/* ---------- portada ---------- */
.hero { background: linear-gradient(160deg, #7a4a28, #5a331b); color: #fff; padding: 46px 0 52px; position: relative; overflow: hidden; }
.hero::after { content: ""; position: absolute; inset: 0; background: repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 6px, transparent 6px 12px); pointer-events: none; }
.hero h1 { color: #fff; margin: 0 0 .2em; }
.hero p.lead { font-size: 1.15rem; max-width: 720px; color: #f5e5d2; }
.hero .stats { display: flex; flex-wrap: wrap; gap: 26px; margin-top: 20px; }
.hero .stat b { display: block; font-family: var(--display); font-size: 2rem; line-height: 1; color: #ffd49c; }
.hero .stat span { font-size: .88rem; color: #f0d8bd; }
.atajos { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 14px; margin: -28px 0 10px; position: relative; z-index: 2; }
.atajo { display: flex; gap: 12px; align-items: flex-start; text-decoration: none; color: var(--ink); }
.atajo:hover { color: var(--ink); transform: translateY(-2px); }
.atajo { transition: transform .15s; }
.atajo .ic { flex: none; width: 42px; height: 42px; border-radius: 10px; display: grid; place-items: center; background: var(--orange-bg); color: var(--orange); }
.atajo .ic svg { width: 24px; height: 24px; }
.atajo b { display: block; font-family: var(--display); font-size: 1.05rem; }
.atajo span { font-size: .88rem; color: var(--ink2); line-height: 1.35; display: block; }

.filtros { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin: 18px 0 8px; }
.filtros input[type=search], .filtros select { font: inherit; font-size: .95rem; padding: .55em .8em; border-radius: 10px; border: 1px solid var(--line); background: var(--card); color: var(--ink); }
.filtros input[type=search] { flex: 1 1 240px; min-width: 0; }
.filtros label { font-size: .92rem; display: flex; align-items: center; gap: .35em; cursor: pointer; }
.cats { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 14px; }
.cats button { font: inherit; font-size: .86rem; font-weight: 700; padding: .35em .85em; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink2); cursor: pointer; }
.cats button.on { background: var(--brown); color: #fff; border-color: var(--brown); }
.contador { color: var(--ink2); font-size: .92rem; margin: 4px 0 12px; }
.rejilla { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 16px; }
.pcard { display: flex; flex-direction: column; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; text-decoration: none; color: var(--ink); box-shadow: var(--shadow); transition: transform .15s, box-shadow .15s; position: relative; }
.pcard:hover { transform: translateY(-3px); color: var(--ink); box-shadow: 0 8px 24px rgba(60,40,20,.14); }
.pcard .mini { aspect-ratio: 4 / 3; background: var(--bg2) center top / cover no-repeat; }
.pcard .cuerpo { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.pcard .num { font-family: var(--mono); font-size: .8rem; color: var(--brown2); font-weight: 700; }
.pcard h3 { margin: 0; font-size: 1.04rem; }
.pcard .meta { font-size: .82rem; color: var(--ink2); display: flex; gap: 10px; flex-wrap: wrap; margin-top: auto; }
.pcard .hecho { position: absolute; top: 10px; right: 10px; background: var(--teal); color: #fff; font-size: .78rem; font-weight: 800; padding: .2em .6em; border-radius: 999px; }

/* ---------- ficha de proyecto ---------- */
.ficha-head { display: grid; grid-template-columns: 1fr 260px; gap: 28px; align-items: start; padding: 26px 0 8px; }
.ficha-head .portada { border-radius: 12px; overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--line); cursor: zoom-in; }
.ficha-head .num { font-family: var(--mono); color: var(--brown2); font-weight: 800; }
.ficha-head .resumen { font-size: 1.12rem; color: var(--ink2); max-width: 720px; }
.datos { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; margin: 16px 0; }
.dato { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; }
.dato small { display: block; font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--ink2); font-weight: 700; }
.dato b { font-size: .98rem; }
@media (max-width: 760px) { .ficha-head { grid-template-columns: 1fr; } .ficha-head .portada { max-width: 260px; } }

.ficha { display: grid; grid-template-columns: 220px 1fr; gap: 32px; align-items: start; }
.indice { position: sticky; top: 76px; font-size: .9rem; max-height: calc(100vh - 90px); overflow: auto; padding-bottom: 20px; }
.indice a { display: block; padding: .3em .7em; border-radius: 8px; color: var(--ink2); text-decoration: none; border-left: 3px solid transparent; }
.indice a:hover { background: var(--bg2); color: var(--ink); }
.indice a.on { border-left-color: var(--orange); color: var(--ink); font-weight: 700; background: var(--bg2); }
@media (max-width: 960px) { .ficha { grid-template-columns: 1fr; } .indice { display: none; } }
.ficha section { margin-bottom: 34px; }
.ficha section > h2 { display: flex; align-items: center; gap: .45em; border-bottom: 2px solid var(--line); padding-bottom: .3em; }
.ficha section > h2 .n { font-family: var(--mono); font-size: .8rem; background: var(--brown); color: #fff; border-radius: 6px; padding: .15em .45em; }

.faltaba li { margin: .5em 0; }
.dos { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 760px) { .dos { grid-template-columns: 1fr; } }

.mat-tabla td:first-child { width: 34px; }
@media (min-width: 700px) { .tabla-3d td:not(:first-child) { white-space: nowrap; } }
.mat-tabla tr.comprar td { background: var(--orange-bg); }
.mat-tabla .esp { color: var(--ink2); font-size: .88rem; }
.mat-tabla .alt { color: var(--ink2); font-size: .85rem; font-style: italic; }
.cb { width: 1.2em; height: 1.2em; accent-color: var(--teal); cursor: pointer; }

.piezas { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 14px; }
.pieza { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; display: flex; flex-direction: column; }
.pieza .dib { background: #fff; padding: 10px; display: grid; place-items: center; min-height: 170px; border-bottom: 1px solid var(--line); }
.pieza .dib svg { max-height: 260px; width: 100%; height: auto; }
.pieza .txt { padding: 10px 12px; font-size: .9rem; }
.pieza .txt b { font-family: var(--display); font-size: 1rem; }
.pieza .txt .m { color: var(--ink2); }
.leyenda { display: flex; flex-wrap: wrap; gap: 16px; font-size: .85rem; color: var(--ink2); margin: 8px 0 14px; align-items: center; }
.leyenda svg { width: 34px; height: 12px; vertical-align: middle; margin-right: 4px; }

ol.pasos { list-style: none; padding: 0; counter-reset: paso; }
ol.pasos > li { counter-increment: paso; position: relative; padding: 14px 16px 14px 64px; margin: 0 0 12px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
ol.pasos > li::before { content: counter(paso); position: absolute; left: 14px; top: 14px; width: 36px; height: 36px; border-radius: 10px; background: var(--brown); color: #fff; display: grid; place-items: center; font-family: var(--display); font-weight: 700; font-size: 1.1rem; }
ol.pasos > li.hecho { opacity: .6; }
ol.pasos > li.hecho::before { background: var(--teal); content: "✓"; }
ol.pasos h3 { margin: 0 0 .3em; font-size: 1.08rem; display: flex; gap: .5em; align-items: center; flex-wrap: wrap; }
ol.pasos p { margin: .2em 0 .4em; }
ol.pasos .extra { font-size: .9rem; border-radius: 8px; padding: 6px 10px; margin-top: 6px; }
ol.pasos .extra.chk { background: var(--teal-bg); }
ol.pasos .extra.tip { background: var(--orange-bg); }
.vinetas { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 10px; margin: 10px 0 6px; }
.vinetas figure { margin: 0; }
.vinetas .lamina { padding: 6px; border-radius: 10px; }
.vinetas figcaption { font-size: .86rem; color: var(--ink2); margin-top: 4px; line-height: 1.35; }
.vinetas figcaption b { display: inline-grid; place-items: center; width: 1.4em; height: 1.4em; border-radius: 50%; background: var(--brown); color: #fff; font-size: .78rem; margin-right: 2px; }
.taller .vinetas { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 16px 0; }
.taller .vinetas figcaption { font-size: clamp(.95rem, 1.6vw, 1.15rem); }
ol.pasos .marcar { position: absolute; right: 12px; top: 12px; font: inherit; font-size: .8rem; border: 1px solid var(--line); background: var(--bg); color: var(--ink2); border-radius: 8px; padding: .2em .6em; cursor: pointer; }
ol.pasos > li { padding-right: 96px; }
@media (max-width: 600px) { ol.pasos > li { padding: 56px 14px 14px 14px; } ol.pasos > li::before { top: 12px; left: 14px; } }

.problemas td:first-child { font-weight: 700; }
.ciencia-tabs { display: flex; gap: 6px; margin-bottom: 10px; }
.ciencia-tabs button { font: inherit; font-weight: 700; font-size: .92rem; padding: .45em .95em; border-radius: 999px; border: 1px solid var(--line); background: var(--card); color: var(--ink2); cursor: pointer; }
.ciencia-tabs button.on { background: var(--teal); color: #fff; border-color: var(--teal); }
.leer { font-size: 1.15rem; line-height: 1.7; }
dl.palabras { display: grid; grid-template-columns: max-content 1fr; gap: 6px 14px; }
dl.palabras dt { font-weight: 800; color: var(--brown); }
dl.palabras dd { margin: 0; }
@media (max-width: 600px) { dl.palabras { grid-template-columns: 1fr; } dl.palabras dd { margin-bottom: 8px; } }
.exp { margin-bottom: 12px; }
.exp h3 { margin: 0 0 .3em; }
.exp .q { font-style: italic; color: var(--ink2); }
.edades { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 760px) { .edades { grid-template-columns: 1fr; } }
.edades .card h3 { margin-top: 0; color: var(--teal); }

.libro-orig { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 760px) { .libro-orig { grid-template-columns: 1fr; } }
.paginas { display: flex; gap: 10px; flex-wrap: wrap; }
.paginas img { width: calc(33.33% - 7px); min-width: 120px; border-radius: 8px; border: 1px solid var(--line); cursor: zoom-in; }

.navpro { display: flex; justify-content: space-between; gap: 12px; margin: 40px 0 0; flex-wrap: wrap; }
.navpro a { max-width: 48%; }

/* visor de imagen */
.visor { position: fixed; inset: 0; background: rgba(0,0,0,.85); z-index: 200; display: none; place-items: center; padding: 20px; cursor: zoom-out; }
.visor.on { display: grid; }
.visor img { max-height: 94vh; max-width: 94vw; border-radius: 8px; }

/* modo taller */
.taller { position: fixed; inset: 0; z-index: 150; background: var(--bg); display: none; flex-direction: column; }
.taller.on { display: flex; }
.taller .barra { display: flex; align-items: center; gap: 12px; padding: 12px 18px; background: #6b3f22; color: #fff; }
.taller .barra b { font-family: var(--display); }
.taller .barra .prog { flex: 1; height: 8px; border-radius: 99px; background: rgba(255,255,255,.2); overflow: hidden; }
.taller .barra .prog i { display: block; height: 100%; background: #ffd49c; transition: width .25s; }
.taller .barra button { background: none; border: 1px solid rgba(255,255,255,.4); color: #fff; border-radius: 8px; padding: .3em .7em; font: inherit; cursor: pointer; }
.taller .cont { flex: 1; overflow: auto; padding: 4vh 6vw; display: flex; flex-direction: column; justify-content: center; max-width: 1100px; width: 100%; margin: 0 auto; }
.taller .numg { font-family: var(--display); font-size: clamp(3rem, 9vw, 6rem); color: var(--orange); line-height: 1; }
.taller h2 { font-size: clamp(1.8rem, 4.5vw, 3rem); color: var(--ink); margin: .2em 0 .4em; }
.taller p.t { font-size: clamp(1.25rem, 2.6vw, 1.8rem); line-height: 1.5; }
.taller .extra { font-size: clamp(1rem, 2vw, 1.3rem); padding: 12px 16px; border-radius: 12px; margin-top: 12px; }
.taller .pie-t { display: flex; justify-content: space-between; gap: 12px; padding: 14px 18px; border-top: 1px solid var(--line); }
.taller .pie-t .btn { font-size: 1.15rem; padding: .8em 1.5em; }

/* manual */
.manual { display: grid; grid-template-columns: 250px 1fr; gap: 36px; align-items: start; }
@media (max-width: 960px) { .manual { grid-template-columns: 1fr; } .manual .indice { display: none; } }
.manual-cuerpo section { margin-bottom: 40px; }
.manual-cuerpo section > h2 { border-bottom: 2px solid var(--line); padding-bottom: .3em; }
.manual-cuerpo figure { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 14px; color: #2b2b2b; }
.manual-cuerpo figure figcaption { color: #5c5145; }
.manual-cuerpo dl dt { font-weight: 800; color: var(--brown); margin-top: .7em; }
.manual-cuerpo dl dd { margin: .1em 0 0 0; }
.manual-cuerpo table { margin: 10px 0 16px; }
.manual-cuerpo .tabla-scroll { margin: 10px 0 16px; }

/* recursos */
.plan { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.dia { display: flex; gap: 10px; align-items: center; padding: 10px 12px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; cursor: pointer; }
.dia .d { flex: none; width: 46px; height: 46px; border-radius: 50%; display: grid; place-items: center; font-family: var(--display); font-weight: 700; background: var(--orange-bg); color: var(--orange); font-size: .95rem; text-align: center; line-height: 1; }
.dia.hecho .d { background: var(--teal); color: #fff; }
.dia a { font-weight: 700; text-decoration: none; }
.dia small { display: block; color: var(--ink2); }
.diploma { background: #fffaf0; color: #3a2a1a; border: 10px double #8a5a35; border-radius: 6px; padding: 40px 30px; text-align: center; max-width: 820px; margin: 0 auto; }
.diploma h3 { font-size: 2.2rem; margin: .2em 0; color: #6b3f22; }
.diploma .nombre { font-family: var(--display); font-size: 2.4rem; border-bottom: 2px solid #8a5a35; display: inline-block; min-width: 60%; padding: 0 20px; margin: 10px 0 18px; }
.diploma input { font: inherit; }
.videos { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.video b { font-family: var(--display); }
.video small { color: var(--ink2); display: block; }

/* impresión general */
@media print {
  .top, .indice, .no-print, .navpro, .pie, .btns, .marcar, .visor, .taller, .filtros, .cats { display: none !important; }
  body { background: #fff; color: #000; font-size: 11pt; }
  .card, .pieza, ol.pasos > li, .dato { box-shadow: none; }
  .ficha { display: block; }
  section { break-inside: auto; }
  ol.pasos > li, .pieza, figure, .exp, tr { break-inside: avoid; }
  a { color: #000; text-decoration: none; }
}

/* evitar desbordes en móvil */
.ficha > *, .ficha-head > *, .manual > *, .dos > *, .libro-orig > * { min-width: 0; }
body { overflow-wrap: break-word; }
html, body { overflow-x: hidden; }
@media (max-width: 600px) {
  body { font-size: 16px; }
  .datos { grid-template-columns: 1fr 1fr; }
  .logo span { font-size: 1rem; }
  .pcard .mini { aspect-ratio: 16 / 10; }
}

.pcard .mini.dib { background-color: #fff; background-size: contain; background-origin: content-box; padding: 10px; }
.ficha-head .portada.lamina { padding: 10px; }

.chip.amazon { background: #fff3d6; color: #8a5a00; text-decoration: none; }
:root[data-theme="dark"] .chip.amazon { background: #3a2d12; color: #ffd27a; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .chip.amazon { background: #3a2d12; color: #ffd27a; } }

/* suscripción */
.muro { margin: 24px 0 40px; border: 2px solid var(--orange, #e07b24); }
.planes { display: flex; flex-direction: column; gap: 10px; align-items: flex-start; margin: 12px 0; }
.planes .btn small { opacity: .8; font-weight: 600; }
.chip.candado { background: var(--orange-bg); }

/* catálogo: gratis y bloqueados */
.banda-gratis { position: absolute; top: 12px; left: -34px; z-index: 2; transform: rotate(-35deg); background: var(--teal); color: #fff; font-weight: 800; font-size: .78rem; letter-spacing: .08em; padding: .25em 2.6em; box-shadow: 0 2px 6px rgba(0,0,0,.2); }
.pcard.bloqueado .mini.bloq { position: relative; overflow: hidden; display: grid; place-items: center; background: #efe4d3; }
.pcard.bloqueado .mini.bloq::before { content: ""; position: absolute; inset: -12px; filter: blur(7px);
  background: radial-gradient(circle at 30% 40%, #c9a77c 0 18%, transparent 19%), radial-gradient(circle at 70% 65%, #8fb8ad 0 14%, transparent 15%),
    linear-gradient(90deg, transparent 0 20%, #b9935f 20% 22%, transparent 22% 78%, #b9935f 78% 80%, transparent 80%), #f3eadc; }
.pcard.bloqueado .candado-grande { position: relative; font-size: 2.4rem; }
.pcard.bloqueado { opacity: .92; }
.pcard .borroso { filter: blur(5px); user-select: none; color: var(--ink2); letter-spacing: -.05em; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
.suscribe { display: flex; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin: 0 0 16px; border: 2px solid var(--teal); }
.suscribe span { color: var(--ink2); }

.logo .marca em { font-style: normal; color: #7fe0cf; }
.hero h1.marca em { font-style: normal; color: #7fe0cf; }