/* ═══════════════════════════════════════════════════════════
   Ahá Herramientas Digitales · Páginas de aterrizaje de fotos para vender
   (/fotos-para-mercado-libre, /fotos-para-tienda-nube, /fondo-blanco-para-productos, /alternativa-a-photoroom)
   y piezas compartidas con /publicacion-mercado-libre (.lnd-fuentes, .lnd-ejemplos). HTML: pub_* en inc/contenido.php
   ═══════════════════════════════════════════════════════════ */

/* Zona para soltar fotos (lleva a la herramienta) */
.lnd-cta { max-width: 780px; margin: 0 auto; padding: 18px; }
.lnd-cta-zona { padding: 34px 20px; }
.lnd-cta-zona .dz-title { font-size: 1.35rem; }
.lnd-cta-txt { max-width: 560px; margin: 8px auto 16px; color: var(--ink-2); font-size: .95rem; line-height: 1.5; }
.lnd-cta-estado { margin: 10px 0 0; min-height: 1.3em; font-size: .88rem; font-weight: 700; color: var(--navy); }
.lnd-cta-priv { margin: 12px 0 0; text-align: center; font-size: .86rem; color: var(--ink-2); line-height: 1.5; }
.lnd-cta-priv .ico { width: 1.05em; height: 1.05em; vertical-align: -.15em; color: var(--ok); }
.lnd-mini { list-style: none; margin: 16px auto 0; padding: 0; max-width: 780px; display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; font-size: .88rem; font-weight: 700; color: var(--navy); }
.lnd-mini li { display: inline-flex; align-items: center; gap: 6px; }
.lnd-mini .ico { width: 1.1em; height: 1.1em; color: var(--ok); }
.lnd-alt { max-width: 780px; margin: 14px auto 0; text-align: center; font-size: .88rem; color: var(--ink-2); line-height: 1.5; }
.ml-video:empty { display: none; }
.ml-video { max-width: 780px; margin: 22px auto 0; }

/* Secciones */
.lnd-sec h2 { margin-bottom: .4em; }
.lnd-intro { color: var(--ink-2); max-width: 820px; line-height: 1.55; margin: 0 0 16px; }
.lnd-nota { color: var(--ink-2); font-size: .92rem; line-height: 1.55; margin: 14px 0 0; }

/* Reglas con tilde */
.lnd-reglas { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.lnd-reglas li { display: flex; gap: 12px; align-items: flex-start; padding: 14px 16px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); font-size: .93rem; color: var(--ink-2); line-height: 1.5; }
.lnd-reglas b { color: var(--navy); }
.lnd-regla-ico { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 50%; flex-shrink: 0; background: var(--ok-50); color: var(--ok-700); }
.lnd-reglas li.no .lnd-regla-ico { background: var(--err-50); color: var(--err-700); }
.lnd-regla-ico .ico { width: 16px; height: 16px; stroke-width: 2.6; }

/* Fuentes oficiales */
.lnd-fuentes { margin-top: 18px; padding: 14px 16px; border-radius: var(--r-lg); background: var(--bg); border: 1px solid var(--line); }
.lnd-fuentes h3 { font-size: .92rem; color: var(--navy); margin: 0 0 6px; }
.lnd-fuentes ul { margin: 0; padding-left: 18px; font-size: .86rem; line-height: 1.6; }
.lnd-fuentes li { overflow-wrap: anywhere; }
.lnd-fuentes small { color: var(--muted); }
.lnd-fuentes p { margin: 8px 0 0; }

/* Ejemplos "así sí / así no" */
.lnd-ejemplos { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.lnd-ej { margin: 0; background: #fff; border: 1.5px solid var(--line); border-radius: var(--r-lg); overflow: hidden; display: flex; flex-direction: column; }
.lnd-ej.si { border-color: #bfe6cf; }
.lnd-ej.no { border-color: #f3c7c7; }
.lnd-ej svg { display: block; width: 100%; height: auto; aspect-ratio: 1 / 1; }
.lnd-ej figcaption { padding: 10px 12px 12px; font-size: .86rem; color: var(--ink-2); line-height: 1.45; border-top: 1px solid var(--line); flex: 1; }
.lnd-ej figcaption b { color: var(--ink); }
.lnd-ej-marca { display: inline-grid; place-items: center; width: 20px; height: 20px; border-radius: 50%; margin-right: 6px; vertical-align: -4px; background: var(--ok-50); color: var(--ok-700); }
.lnd-ej.no .lnd-ej-marca { background: var(--err-50); color: var(--err-700); }
.lnd-ej-marca .ico { width: 12px; height: 12px; stroke-width: 3; }

/* Consejos */
.lnd-tips { margin-top: 18px; padding: 16px 18px; border-radius: var(--r-lg); background: var(--blue-50); border: 1px solid var(--blue-100); }
.lnd-tips h3 { font-size: 1rem; color: var(--navy); margin: 0 0 8px; }
.lnd-tips ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: .93rem; line-height: 1.6; }
.lnd-tips li + li { margin-top: 4px; }

/* Columnas de texto */
.lnd-cols { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.lnd-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.lnd-col { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 16px 18px; }
.lnd-col h3 { font-size: 1rem; color: var(--navy); margin: 0 0 .3em; }
.lnd-col h2 { font-size: 1.15rem; margin: 0 0 .5em; }
.lnd-col p { margin: 0; color: var(--ink-2); font-size: .92rem; line-height: 1.5; }
.lnd-lista { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: .93rem; line-height: 1.55; }
.lnd-lista li + li { margin-top: 6px; }
.lnd-lista b { color: var(--ink); }

/* Blanco puro vs casi blanco */
.lnd-blancos { display: flex; flex-wrap: wrap; gap: 10px; margin: 4px 0 14px; }
.lnd-blancos span { flex: 1 1 150px; display: flex; flex-direction: column; justify-content: flex-end; min-height: 92px; padding: 10px 12px; border-radius: var(--r-md); border: 1px solid var(--line-2); font-weight: 800; font-size: .9rem; color: var(--navy); font-variant-numeric: tabular-nums; }
.lnd-blancos small { font-weight: 600; color: var(--ink-2); font-size: .8rem; }
.lnd-sec > p { color: var(--ink-2); line-height: 1.6; max-width: 860px; }

/* Tablas */
.lnd-tabla th[scope=row] { color: var(--navy); white-space: nowrap; }
.lnd-tabla td { line-height: 1.5; }

/* Links internos */
.lnd-links-wrap h2 { margin-bottom: .6em; }
.lnd-links { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.lnd-link { display: flex; align-items: center; gap: 12px; height: 100%; padding: 12px 14px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); color: var(--ink); text-decoration: none; transition: border-color var(--t-1), box-shadow var(--t-1), transform var(--t-1); }
@media (hover: hover) { .lnd-link:hover { border-color: var(--blue); box-shadow: var(--shadow-sm); transform: translateY(-1px); } }
.lnd-link:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.lnd-link-ico { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; flex-shrink: 0; background: var(--blue-50); color: var(--blue); font-size: 1.3rem; }
.lnd-link-ico .ico { width: 22px; height: 22px; }
.lnd-link b { display: block; font-size: .93rem; color: var(--navy); }
.lnd-link small { display: block; font-size: .8rem; color: var(--ink-2); line-height: 1.4; margin-top: 2px; }

/* Comparativa */
.lnd-vs { max-width: 960px; margin: 0 auto; display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; text-align: left; }
.lnd-vs-col { background: #fff; border: 1.5px solid var(--line); border-radius: var(--r-xl); padding: 18px 20px; box-shadow: var(--shadow-sm); }
.lnd-vs-col.aha { border-color: var(--orange); box-shadow: 0 0 0 3px rgba(254, 130, 2, .12), var(--shadow-sm); }
.lnd-vs-col h2 { font-size: 1.1rem; margin: 0 0 .5em; color: var(--navy); }
.lnd-vs-col ul { margin: 0; padding-left: 18px; color: var(--ink-2); font-size: .93rem; line-height: 1.55; }
.lnd-vs-col li + li { margin-top: 6px; }
.lnd-marca { max-width: 960px; margin: 14px auto 0; text-align: center; font-size: .84rem; color: var(--muted); line-height: 1.5; }
.lnd-marca .ico { width: 1.05em; height: 1.05em; vertical-align: -.15em; }
.lnd-comp-wrap { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--line); background: #fff; }
.lnd-comp { margin: 0; min-width: 760px; }
.lnd-comp th[scope=row] { color: var(--navy); min-width: 130px; }
.lnd-comp td { line-height: 1.5; font-size: .9rem; vertical-align: top; }
.lnd-comp th, .lnd-comp td { vertical-align: top; }
.lnd-gana { font-weight: 700; color: var(--ink); min-width: 120px; }
.lnd-gana.aha { color: var(--orange-700); }
.lnd-gana.pr { color: var(--navy); }

@media (max-width: 900px) {
  .lnd-cols { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .lnd-reglas { grid-template-columns: 1fr; }
  .lnd-vs, .lnd-cols-2 { grid-template-columns: 1fr; }
  /* La comparativa pasa a tarjetas: una por tema */
  .lnd-comp-wrap { overflow: visible; border: 0; background: none; }
  .lnd-comp { min-width: 0; display: block; }
  .lnd-comp thead { display: none; }
  .lnd-comp tbody, .lnd-comp tr, .lnd-comp th, .lnd-comp td { display: block; }
  .lnd-comp tr { background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 12px 14px; margin-bottom: 12px; }
  .lnd-comp th[scope=row] { font-size: 1rem; padding: 0 0 6px; border: 0; min-width: 0; }
  .lnd-comp td { padding: 6px 0; border: 0; border-top: 1px dashed var(--line); }
  .lnd-comp td::before { content: attr(data-label); display: block; font-size: .72rem; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; color: var(--muted); margin-bottom: 2px; }
}
@media (max-width: 640px) {
  .lnd-cta { padding: 12px; }
  .lnd-cta-zona { padding: 24px 14px; }
  .lnd-cta-zona .dz-title { font-size: 1.15rem; }
  .lnd-cols { grid-template-columns: 1fr; }
  .lnd-ejemplos { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .lnd-ej figcaption { font-size: .8rem; padding: 8px 10px 10px; }
  .lnd-tabla th[scope=row] { white-space: normal; }
  .lnd-mini { justify-content: flex-start; flex-direction: column; align-items: flex-start; max-width: 320px; }
}
@media (prefers-reduced-motion: reduce) {
  .lnd-link { transition: none; }
  .lnd-link:hover { transform: none; }
}