/* Tec Alimentos en Casa
   Layout: cuaderno de laboratorio — columnas amplias, etiquetas técnicas en monoespaciada,
   imágenes que se revelan como muestras bajo el microscopio. */
:root {
  --paper: #f4f6f2;
  --surface: #ffffff;
  --ink: #0d4437;
  --ink-soft: #46655c;
  --accent: #c43e17;
  --mint: #8dc3b2;
  --band: #0d4437;
  --band-ink: #eef6f2;
  --line: rgba(13, 68, 55, .14);
  --hero-veil: linear-gradient(90deg, rgba(244,246,242,.96) 0%, rgba(244,246,242,.86) 45%, rgba(244,246,242,.35) 100%);

  --f-display: "Oranienbaum", "Didot", "Bodoni 72", Georgia, serif;
  --f-body: "Lato", "Helvetica Neue", Arial, sans-serif;
  --f-label: "Source Code Pro", ui-monospace, Menlo, monospace;

  --step-0: 1.0625rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem);
  --step-3: clamp(2.1rem, 1.4rem + 2.8vw, 3.2rem);
  --step-4: clamp(2.7rem, 1.6rem + 4.6vw, 5rem);
  --wrap: 1180px;
  --radius: 6px;
  --ease: cubic-bezier(.2, .7, .1, 1);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #0c1b17; --surface: #13261f; --ink: #e4f0ea; --ink-soft: #a9c3b9;
    --accent: #f0825c; --mint: #5f9e8a; --band: #163a30; --band-ink: #e4f0ea;
    --line: rgba(228, 240, 234, .14);
    --hero-veil: linear-gradient(90deg, rgba(12,27,23,.96) 0%, rgba(12,27,23,.85) 45%, rgba(12,27,23,.45) 100%);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #0c1b17; --surface: #13261f; --ink: #e4f0ea; --ink-soft: #a9c3b9;
  --accent: #f0825c; --mint: #5f9e8a; --band: #163a30; --band-ink: #e4f0ea;
  --line: rgba(228, 240, 234, .14);
  --hero-veil: linear-gradient(90deg, rgba(12,27,23,.96) 0%, rgba(12,27,23,.85) 45%, rgba(12,27,23,.45) 100%);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 400 var(--step-0)/1.7 var(--f-body);
  -webkit-font-smoothing: antialiased;
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 60; background: var(--paper); }
img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 400; line-height: 1.05; margin: 0; text-wrap: balance; letter-spacing: -.01em; }
p { margin: 0; }

.wrap {
  width: 100%;
  max-width: calc(var(--wrap) + 2 * 32px);
  margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
@media (min-width: 720px) { .wrap { padding-left: max(32px, env(safe-area-inset-left, 0px)); padding-right: max(32px, env(safe-area-inset-right, 0px)); } }

.label {
  font: 500 .78rem/1.3 var(--f-label);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
}

/* ——— Barra de progreso (termómetro) ——— */
.progreso {
  position: fixed; left: 0; right: 0; top: env(safe-area-inset-top, 0px); height: 3px; z-index: 70;
  background: var(--accent); transform-origin: 0 50%; transform: scaleX(0);
}

/* ——— Encabezado ——— */
.cabecera {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 50;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid transparent;
  transition: border-color .3s, padding .3s;
}
.cabecera.compacta { border-bottom-color: var(--line); }
.cabecera .wrap { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 18px; transition: padding .3s var(--ease); }
.cabecera.compacta .wrap { padding-block: 10px; }
.logo { display: inline-flex; align-items: baseline; gap: 6px; text-decoration: none; }
.logo b { font: 400 1.7rem/1 var(--f-display); letter-spacing: -.02em; }
.logo span { font-size: .8rem; color: var(--ink-soft); }
.menu { display: flex; gap: 32px; list-style: none; margin: 0; padding: 0; }
.menu a { text-decoration: none; font-size: .95rem; position: relative; padding-block: 6px; }
.menu a::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; background: currentColor; transform: scaleX(0); transform-origin: right; transition: transform .35s var(--ease); }
.menu a:hover::after, .menu a[aria-current="page"]::after { transform: scaleX(1); transform-origin: left; }
.menu-boton { display: none; background: none; border: 1px solid var(--line); border-radius: 999px; color: var(--ink); font: 500 .8rem var(--f-label); letter-spacing: .1em; padding: 8px 14px; cursor: pointer; }
@media (max-width: 760px) {
  .menu-boton { display: inline-block; }
  .menu { position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; background: var(--paper); border-bottom: 1px solid var(--line); padding: 8px max(16px, env(safe-area-inset-right, 0px)) 16px max(16px, env(safe-area-inset-left, 0px)); }
  .menu a { display: block; padding-block: 12px; font-size: 1.1rem; }
  .menu:not(.abierto) { display: none; }
}

/* ——— Botones ——— */
.botones { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 28px; }
.boton {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--ink); color: var(--paper);
  border: 0; border-radius: 999px; padding: 14px 26px;
  font: 700 .95rem var(--f-body); text-decoration: none; cursor: pointer;
  transition: transform .3s var(--ease), box-shadow .3s;
}
.boton:hover { transform: translateY(-2px); box-shadow: 0 10px 24px -12px rgba(13,68,55,.6); }
.boton .flecha { transition: transform .3s var(--ease); }
.boton:hover .flecha { transform: translateX(4px); }
.enlace { font-weight: 700; text-decoration: none; border-bottom: 1px solid var(--accent); padding-bottom: 2px; }
.enlace:hover { color: var(--accent); }

/* ——— Portada ——— */
.portada { position: relative; overflow: hidden; isolation: isolate; }
.portada-fondo { position: absolute; inset: -8% 0; z-index: -2; background: url("../img/hero.webp") 70% center / cover no-repeat; will-change: transform; }
@media (max-width: 760px) { .portada-fondo { background-image: url("../img/hero-movil.webp"); } }
.portada::before { content: ""; position: absolute; inset: 0; z-index: -1; background: var(--hero-veil); }
.portada .wrap { padding-block: clamp(72px, 12vw, 150px); }
.portada-texto { max-width: 640px; display: grid; gap: 22px; }
.portada h1 { font-size: var(--step-4); }
.portada h1 .linea { display: block; overflow: hidden; padding-bottom: .08em; }
.portada h1 .linea > span { display: inline-block; }
.portada p { font-size: 1.12rem; color: var(--ink-soft); max-width: 58ch; }
.portada .botones { margin-top: 10px; }

/* Secuencia de carga de la portada */
.js .portada .label, .js .portada p, .js .portada .botones { animation: subir .9s var(--ease) both; }
.js .portada h1 .linea > span { animation: subir-linea 1s var(--ease) both; }
.js .portada .label { animation-delay: .05s; }
.js .portada h1 .linea:nth-child(1) > span { animation-delay: .15s; }
.js .portada h1 .linea:nth-child(2) > span { animation-delay: .28s; }
.js .portada p { animation-delay: .45s; }
.js .portada .botones { animation-delay: .6s; }
.js .portada-fondo { animation: acercar 2.4s var(--ease) both; }
@keyframes subir { from { opacity: 0; transform: translateY(18px); } }
@keyframes subir-linea { from { transform: translateY(105%); } }
@keyframes acercar { from { opacity: 0; scale: 1.08; } }

/* ——— Secciones ——— */
.seccion { padding-block: clamp(64px, 9vw, 120px); }
.seccion-encabezado { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 16px 32px; margin-bottom: clamp(32px, 4vw, 52px); }
.seccion-encabezado > div { display: grid; gap: 12px; }
.seccion h2 { font-size: var(--step-3); }

/* ——— Tarjetas de artículos ——— */
.destacados { display: grid; gap: 28px; grid-template-columns: repeat(12, 1fr); }
.destacados .tarjeta { grid-column: span 12; }
@media (min-width: 900px) {
  .destacados .tarjeta:first-child { grid-column: span 7; grid-row: span 2; }
  .destacados .tarjeta:not(:first-child) { grid-column: span 5; }
  .destacados .tarjeta:not(:first-child) .tarjeta-imagen { aspect-ratio: 16 / 8; }
}
.rejilla { display: grid; gap: 28px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 320px), 1fr)); }
.tarjeta {
  display: flex; flex-direction: column; min-width: 0;
  background: var(--surface); text-decoration: none;
  border-radius: var(--radius); overflow: hidden;
  transition: transform .45s var(--ease), box-shadow .45s;
}
.tarjeta:hover { transform: translateY(-4px); box-shadow: 0 24px 40px -28px rgba(13,68,55,.55); }
.tarjeta-imagen { aspect-ratio: 16 / 10; overflow: hidden; max-width: 100%; background: var(--line); }
.destacados .tarjeta:first-child .tarjeta-imagen { aspect-ratio: auto; flex: 1; min-height: 280px; }
.tarjeta-imagen img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.2s var(--ease); }
.tarjeta:hover .tarjeta-imagen img { transform: scale(1.05); }
.tarjeta-cuerpo { display: grid; gap: 10px; padding: 22px 24px 24px; }
.tarjeta h3 { font-size: var(--step-2); }
.tarjeta-resumen { color: var(--ink-soft); font-size: 1rem; }
.tarjeta-pie { display: flex; justify-content: space-between; align-items: center; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--line); font-size: .92rem; }
.tarjeta-pie .flecha { font-size: 1.3rem; transition: transform .35s var(--ease); }
.tarjeta:hover .tarjeta-pie .flecha { transform: translateX(6px); color: var(--accent); }
.aviso { color: var(--ink-soft); padding: 24px; border: 1px dashed var(--line); border-radius: var(--radius); }

/* ——— Categorías ——— */
.categorias { background: var(--surface); }
.lista-categorias { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 1fr)); border-top: 1px solid var(--line); }
.categoria {
  display: grid; gap: 14px; align-content: start; padding: 32px 28px 36px 0;
  text-decoration: none; border-bottom: 1px solid var(--line); position: relative;
}
@media (min-width: 900px) { .categoria + .categoria { padding-left: 28px; border-left: 1px solid var(--line); } }
.categoria .dato { font: 500 .85rem var(--f-label); color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.categoria h3 { font-size: var(--step-2); }
.categoria p { color: var(--ink-soft); font-size: 1rem; max-width: 40ch; }
.categoria .cuenta { font: 500 .78rem var(--f-label); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.categoria::after { content: "→"; position: absolute; right: 24px; top: 30px; font-size: 1.4rem; opacity: 0; transform: translateX(-8px); transition: .35s var(--ease); }
.categoria:hover::after { opacity: 1; transform: none; color: var(--accent); }

/* ——— Bloque imagen + texto ——— */
.dos-columnas { display: grid; gap: clamp(32px, 5vw, 72px); align-items: center; }
@media (min-width: 860px) { .dos-columnas { grid-template-columns: 1fr 1.1fr; } }
.dos-columnas > * { min-width: 0; }
.dos-columnas .texto { display: grid; gap: 20px; max-width: 60ch; }
.dos-columnas .texto p { color: var(--ink-soft); }
.marco { border-radius: var(--radius); overflow: hidden; max-width: 100%; }
.marco img { width: 100%; height: 100%; object-fit: cover; }

/* ——— Suscripción ——— */
.banda { background: var(--band); color: var(--band-ink); }
.banda .wrap { padding-block: clamp(56px, 7vw, 88px); display: grid; gap: 28px; align-items: center; }
@media (min-width: 860px) { .banda .wrap { grid-template-columns: 1.1fr 1fr; } }
.banda h2 { font-size: var(--step-3); }
.banda p { opacity: .8; margin-top: 12px; }
.banda .label { color: var(--mint); }
.suscripcion { display: flex; flex-wrap: wrap; gap: 12px; }
.suscripcion input {
  flex: 1 1 220px; min-width: 0; padding: 14px 18px; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--band-ink) 30%, transparent);
  background: color-mix(in srgb, var(--band-ink) 8%, transparent); color: var(--band-ink); font: inherit; font-size: 1rem;
}
.suscripcion input::placeholder { color: color-mix(in srgb, var(--band-ink) 60%, transparent); }
.suscripcion .boton { background: var(--band-ink); color: var(--band); }
.suscripcion-estado { flex-basis: 100%; font-size: .92rem; min-height: 1.4em; }

/* ——— Pie ——— */
.pie { padding-block: 56px 40px; border-top: 1px solid var(--line); }
.pie .wrap { display: grid; gap: 32px; }
@media (min-width: 760px) { .pie .wrap { grid-template-columns: 2fr 1fr 1fr; } }
.pie p { color: var(--ink-soft); font-size: .95rem; max-width: 46ch; margin-top: 12px; }
.pie h4 { margin: 0 0 12px; font: 700 .95rem var(--f-body); }
.pie ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.pie ul a { text-decoration: none; color: var(--ink-soft); }
.pie ul a:hover { color: var(--accent); }
.pie .legal { grid-column: 1 / -1; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 24px; border-top: 1px solid var(--line); font-size: .85rem; color: var(--ink-soft); }

/* ——— Páginas interiores ——— */
.cabeza-pagina { padding-block: clamp(64px, 9vw, 120px) clamp(32px, 4vw, 56px); }
.cabeza-pagina .wrap > div { display: grid; gap: 18px; max-width: 760px; }
.cabeza-pagina h1 { font-size: var(--step-4); }
.cabeza-pagina p { color: var(--ink-soft); font-size: 1.15rem; }
.filtros { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 36px; }
.filtro { font: 500 .8rem var(--f-label); letter-spacing: .08em; text-transform: uppercase; padding: 9px 16px; border-radius: 999px; border: 1px solid var(--line); background: transparent; color: var(--ink); cursor: pointer; transition: .25s; }
.filtro:hover { border-color: var(--ink); }
.filtro[aria-pressed="true"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }

/* Artículo */
.articulo-portada { aspect-ratio: 21 / 9; max-height: 520px; width: 100%; max-width: 100%; overflow: hidden; border-radius: var(--radius); }
.articulo-portada img { width: 100%; height: 100%; object-fit: cover; }
.articulo-meta { display: flex; flex-wrap: wrap; gap: 8px 20px; color: var(--ink-soft); font-size: .95rem; }
.prosa { max-width: 68ch; margin-inline: auto; font-size: 1.12rem; }
.prosa > * + * { margin-top: 1.1em; }
.prosa h2 { font-size: var(--step-2); margin-top: 1.8em; }
.prosa h3 { font-size: var(--step-1); font-family: var(--f-body); font-weight: 700; margin-top: 1.6em; }
.prosa p, .prosa li { color: var(--ink-soft); }
.prosa strong { color: var(--ink); }
.prosa a { color: var(--accent); }
.prosa img { border-radius: var(--radius); }
.prosa blockquote { margin-inline: 0; padding-left: 20px; border-left: 2px solid var(--accent); font-family: var(--f-display); font-size: 1.5rem; color: var(--ink); }
.volver { display: inline-flex; gap: 8px; text-decoration: none; font: 500 .8rem var(--f-label); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-soft); }
.volver:hover { color: var(--accent); }

/* ——— Animaciones al desplazarse ——— */
.js [data-revelar] { opacity: 0; transform: translateY(32px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--i, 0) * 110ms); }
.js [data-revelar="izquierda"] { transform: translateX(-40px); }
.js [data-revelar="derecha"] { transform: translateX(40px); }
.js [data-revelar="imagen"] { opacity: 1; transform: none; clip-path: inset(0 0 100% 0); transition: clip-path 1.2s var(--ease); }
.js [data-revelar="imagen"] img { scale: 1.15; transition: scale 1.6s var(--ease); }
.js [data-revelar="linea"] { opacity: 1; transform: scaleX(0); transform-origin: left; transition: transform 1.1s var(--ease); }
.js [data-revelar].visible { opacity: 1; transform: none; clip-path: inset(0 0 0 0); }
.js [data-revelar="imagen"].visible img { scale: 1; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .js [data-revelar] { opacity: 1; transform: none; clip-path: none; }
  .js [data-revelar] img { scale: 1; }
  .progreso { display: none; }
}

/* Contenido que llega desde WordPress */
.prosa img { height: auto; }
.prosa figure { margin: 1.6em 0; max-width: 100%; }
.prosa figcaption { font-size: .9rem; color: var(--ink-soft); margin-top: 8px; }
.prosa iframe, .prosa video { max-width: 100%; }
.prosa table { display: block; overflow-x: auto; border-collapse: collapse; }
.prosa td, .prosa th { padding: 8px 12px; border-bottom: 1px solid var(--line); }
.prosa .wp-block-image, .prosa .wp-block-embed { margin-inline: 0; }
.prosa .has-medium-font-size, .prosa .has-large-font-size { font-family: var(--f-display); font-size: var(--step-2); line-height: 1.15; color: var(--ink); margin-top: 1.8em; }
.prosa hr, .prosa .wp-block-separator { border: 0; border-top: 1px solid var(--line); margin-block: 2.4em; }
.prosa ul, .prosa ol { padding-left: 1.3em; }
.prosa li + li { margin-top: .4em; }