/* ============================================================
   pages/microalgas.css — GOgreen: microalgas y BioGenerador
   Prefijo algae-. Solo tokens de base.css. Las tablas viven en
   components/table.css y las pestañas en components/tabs.css,
   que se enlazan después de esta hoja.

   Dirección «ficha técnica» (DISENO.md §2.2): superficies planas
   con filo, rótulos en mono y el dato con su unidad como firma.
   Sin barras de color en el borde de las tarjetas.
   ============================================================ */

/* ---- Portada ---- */
.algae-hero { padding-block: clamp(3rem, 7vw, 5rem) clamp(2rem, 4vw, 3rem); }
.algae-hero__inner {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
}
@media (max-width: 860px) { .algae-hero__inner { grid-template-columns: 1fr; } }
.algae-hero__title { font-size: var(--step-5); margin-bottom: var(--space-lg); }
.algae-hero__lead { font-size: var(--step-1); color: var(--color-text-muted); max-width: 60ch; line-height: 1.6; margin: 0 0 var(--space-lg); }
.algae-hero__actions { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.algae-hero__media { margin: 0; }
.algae-hero__media img {
  width: 100%;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}

/* ---- Lecturas: la firma. Una franja con filo y cuatro celdas, como el
   panel de un instrumento: rótulo, cifra, unidad y condición. ---- */
.algae-readouts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.algae-readouts__item { padding: var(--space-lg); }
.algae-readouts__item + .algae-readouts__item { border-left: 1px solid var(--color-border); }
.algae-readouts dt,
.algae-scale__readouts dt,
.algae-label {
  font-family: var(--font-label);
  font-size: .72rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.algae-readouts dd { margin: .55rem 0 0; }
.algae-readouts__value,
.algae-scale__value {
  display: block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: clamp(2rem, 3.4vw, 2.6rem);
  line-height: 1;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}
.algae-readouts__unit,
.algae-scale__unit {
  font-family: var(--font-label);
  font-size: .9rem;
  font-weight: 500;
  color: var(--color-brand-green-text);
  margin-left: .35rem;
}
.algae-readouts__note { display: block; margin-top: .6rem; font-size: var(--step--1); color: var(--color-text-muted); line-height: 1.45; }

@media (max-width: 900px) {
  .algae-readouts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .algae-readouts__item + .algae-readouts__item { border-left: 0; }
  .algae-readouts__item:nth-child(even) { border-left: 1px solid var(--color-border); }
  .algae-readouts__item:nth-child(n+3) { border-top: 1px solid var(--color-border); }
}
/* En el teléfono siguen en dos columnas: cuatro filas serían media pantalla
   de cifras antes de llegar a las pestañas. */
@media (max-width: 560px) {
  .algae-readouts__item { padding: var(--space-md); }
  .algae-readouts__value { font-size: 1.65rem; }
  .algae-readouts__unit { font-size: .78rem; margin-left: .25rem; }
  .algae-readouts__note { font-size: .8rem; }
}
@media (max-width: 340px) {
  .algae-readouts { grid-template-columns: minmax(0, 1fr); }
  .algae-readouts__item:nth-child(even) { border-left: 0; }
  .algae-readouts__item + .algae-readouts__item { border-top: 1px solid var(--color-border); }
}

/* ---- Paneles ---- */
.algae-panel { padding-block: clamp(2.25rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem); }
.algae-panel h3 { margin-top: clamp(2.25rem, 4vw, 3rem); }
.algae-panel h4 { font-size: 1.1rem; }
.algae-label { margin: var(--space-lg) 0 var(--space-sm); }

.algae-prose { color: var(--color-text-body); max-width: 68ch; }

/* Nota: un rótulo mono delante, sin barra de color al costado. */
.algae-note {
  font-size: var(--step--1);
  color: var(--color-text-muted);
  max-width: 72ch;
}
.algae-note::before {
  content: "Nota · ";
  font-family: var(--font-label);
  font-size: .72rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--color-brand-green-text);
}

/* ---- Resumen: tres ideas en columnas separadas por filos ---- */
.algae-pillars {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  padding: 0;
  margin: 0;
  border-block: 1px solid var(--color-border);
}
.algae-pillars li { padding: var(--space-lg) clamp(1rem, 2.5vw, 1.75rem) var(--space-lg) 0; }
.algae-pillars li + li { border-left: 1px solid var(--color-border); padding-left: clamp(1rem, 2.5vw, 1.75rem); }
.algae-pillars__title {
  display: block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--step-2);
  color: var(--color-ink);
  margin-bottom: var(--space-sm);
}
.algae-pillars__text { color: var(--color-text-muted); }
@media (max-width: 760px) {
  .algae-pillars { grid-template-columns: minmax(0, 1fr); }
  .algae-pillars li + li { border-left: 0; border-top: 1px solid var(--color-border); padding-left: 0; }
}

/* Lo que preguntan antes de comprar */
.algae-answers { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
@media (max-width: 900px) { .algae-answers { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .algae-answers { grid-template-columns: minmax(0, 1fr); } }
.algae-answer {
  display: flex;
  flex-direction: column;
  gap: .5rem;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-answer h4 { margin: 0; font-size: 1.15rem; }
.algae-answer p { margin: 0; color: var(--color-text-muted); font-size: .95rem; }
.algae-answer__link { margin-top: auto; padding-top: .5rem; font-weight: 700; font-size: var(--step--1); }
.algae-answer__link::after { content: "\00a0→"; content: "\00a0→" / ""; }

/* ---- Uso y dosis ---- */
.algae-usage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}
@media (max-width: 760px) { .algae-usage { grid-template-columns: minmax(0, 1fr); } }
.algae-usage__item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-panel .algae-usage__item h3 { margin-top: 0; }
.algae-usage__item p { color: var(--color-text-muted); margin: 0; }
.algae-usage__item .algae-usage__dose {
  margin: var(--space-md) 0 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: var(--step-2);
  color: var(--color-ink);
}

/* Costo por hectárea: la cuenta como fórmula, el resto a su lado. */
.algae-cost {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: clamp(1.25rem, 3vw, 2rem);
}
@media (max-width: 860px) { .algae-cost { grid-template-columns: minmax(0, 1fr); } }
.algae-cost__formula {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  align-content: flex-start;
  gap: .55rem .6rem;
  margin: 0;
  max-width: none;
}
.algae-cost__term {
  font-family: var(--font-label);
  font-size: .82rem;
  color: var(--color-ink);
  background: var(--color-surface-tint);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: .45rem .65rem;
}
.algae-cost__op { font-family: var(--font-label); font-size: 1.05rem; color: var(--color-text-muted); }
.algae-cost__result {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 1.35rem;
  line-height: 1.2;
  color: var(--color-brand-green-text);
}
.algae-cost__body p { margin: 0 0 .75rem; }
.algae-cost__close { font-weight: 700; color: var(--color-ink); }
.algae-cost__actions { display: flex; flex-wrap: wrap; gap: var(--space-md); margin-top: var(--space-md); }

/* Orientación por cultivo */
.algae-crops {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
}
@media (max-width: 900px) { .algae-crops { grid-template-columns: minmax(0, 1fr); } }
.algae-crop {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-panel .algae-crop h4 { margin-top: 0; font-size: var(--step-2); }
.algae-crop__facts { margin: 0; }
.algae-crop__facts div { padding: .7rem 0; border-top: 1px solid var(--color-border); }
.algae-crop__facts dt,
.algae-specs dt {
  font-family: var(--font-label);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: .08em;
  font-size: .7rem;
  color: var(--color-brand-green-text);
}
.algae-crop__facts dd {
  margin: .25rem 0 0;
  font-size: var(--step--1);
  color: var(--color-text-body);
}
.algae-crop__link { margin-top: auto; padding-top: var(--space-sm); font-weight: 700; font-size: var(--step--1); }

/* ---- Riego ---- */
.algae-scale {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: center;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: clamp(1.25rem, 3vw, 2rem);
}
@media (max-width: 760px) { .algae-scale { grid-template-columns: minmax(0, 1fr); } }
.algae-scale__readouts { display: flex; flex-wrap: wrap; gap: clamp(1.25rem, 4vw, 3rem); margin: 0; }
.algae-scale__readouts > div { max-width: 13rem; }
.algae-scale__readouts dd { margin: .5rem 0 0; }
.algae-scale__text { margin: 0; font-size: var(--step-1); color: var(--color-ink); max-width: 46ch; }

/* El método de los 16 goteros: pasos a la izquierda, lectura a la derecha. */
.algae-method {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: clamp(1.25rem, 4vw, 3rem);
  align-items: start;
}
@media (max-width: 860px) { .algae-method { grid-template-columns: minmax(0, 1fr); } }
.algae-method__steps { list-style: none; counter-reset: algae-step; padding: 0; margin: 0; }
.algae-method__steps li {
  counter-increment: algae-step;
  display: grid;
  grid-template-columns: 2.25rem minmax(0, 1fr);
  gap: .75rem;
  padding: .85rem 0;
  border-top: 1px solid var(--color-border);
}
.algae-method__steps li:last-child { border-bottom: 1px solid var(--color-border); }
.algae-method__steps li::before {
  content: counter(algae-step, decimal-leading-zero);
  font-family: var(--font-label);
  font-size: .8rem;
  color: var(--color-brand-green-text);
  padding-top: .15rem;
}

/* ---- Cómo actúa ---- */
.algae-cards { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
@media (max-width: 900px) { .algae-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .algae-cards { grid-template-columns: minmax(0, 1fr); } }
.algae-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-card h4 { margin-top: 0; }
.algae-card p { color: var(--color-text-muted); margin: 0; }

/* Qué es: tres ideas sin numerar (no son una secuencia). */
.algae-ideas {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(1rem, 2.5vw, 2rem);
  padding: 0;
  margin: var(--space-lg) 0 0;
}
@media (max-width: 760px) { .algae-ideas { grid-template-columns: minmax(0, 1fr); } }
.algae-ideas li { padding-top: var(--space-md); border-top: 1px solid var(--color-border-strong); }
.algae-ideas h4 { margin: 0 0 .35rem; }
.algae-ideas p { color: var(--color-text-muted); font-size: .95rem; margin: 0; }

/* Láminas: benéficas frente a nocivas. La cabecera marca cuál es cuál
   con un punto lleno o vacío, y la nociva va rayada, como un corte en
   un plano. Nada de barras de color. */
.algae-plates { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-md); }
@media (max-width: 760px) { .algae-plates { grid-template-columns: minmax(0, 1fr); } }
.algae-plate {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
}
.algae-plate > .algae-plate__head {
  display: flex;
  align-items: center;
  gap: .6rem;
  margin: 0;
  padding: .85rem var(--space-lg);
  border-bottom: 1px solid var(--color-border);
  font-family: var(--font-label);
  font-size: .76rem;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-ink);
}
.algae-plate__head::before {
  content: "";
  flex: none;
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
}
.algae-plate--good .algae-plate__head::before { background: var(--color-brand-green); }
.algae-plate--bad > .algae-plate__head {
  background: repeating-linear-gradient(-45deg, var(--color-border) 0 1px, transparent 1px 7px);
}
.algae-plate--bad .algae-plate__head::before { border: 1.5px solid var(--color-text-muted); background: var(--color-surface); }
.algae-plate__list { list-style: none; margin: 0; padding: .25rem var(--space-lg) var(--space-lg); }
.algae-plate__list li { padding: var(--space-md) 0; border-bottom: 1px dashed var(--color-border); }
.algae-plate__list li:last-child { border-bottom: 0; padding-bottom: 0; }
.algae-plate__list em { display: block; font-weight: 700; color: var(--color-ink); }
.algae-plate__list span { color: var(--color-text-muted); }

/* ---- Evidencia ---- */
.algae-levels {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  padding: 0;
  margin: 0 0 var(--space-lg);
  counter-reset: algae-level;
}
@media (max-width: 760px) { .algae-levels { grid-template-columns: minmax(0, 1fr); } }
.algae-levels li {
  counter-increment: algae-level;
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-levels li::before {
  content: "Nivel " counter(algae-level);
  display: block;
  font-family: var(--font-label);
  font-size: .72rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-brand-green-text);
  padding-bottom: .5rem;
}
.algae-panel .algae-levels h3 { margin: 0 0 .3rem; font-size: 1.1rem; }
.algae-levels p { color: var(--color-text-muted); margin: 0; }

/* Datos clave y galería del BioGenerador */
.algae-specs {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-md);
  margin: 0 0 var(--space-lg);
}
.algae-specs > div { padding-top: .7rem; border-top: 1px solid var(--color-border-strong); }
.algae-specs dd { margin: .3rem 0 0; }

.algae-gallery { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
@media (max-width: 760px) { .algae-gallery { grid-template-columns: 1fr; } }
.algae-gallery figure { margin: 0; }
.algae-gallery img {
  width: 100%;
  aspect-ratio: 7 / 5;
  object-fit: cover;
  border-radius: var(--radius-card);
}
.algae-gallery figcaption { font-size: var(--step--1); color: var(--color-text-muted); margin-top: var(--space-sm); }

/* Píldoras: vías de aplicación y cultivos */
.algae-chips { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; padding: 0; margin: 0 0 var(--space-md); }
.algae-chips li {
  font-size: .85rem;
  font-weight: 500;
  color: var(--color-ink);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  padding: .35em .9em;
}

/* Cifras */
.algae-stats {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: var(--space-md);
  padding: 0;
  margin: var(--space-lg) 0;
}
.algae-stats__item {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
}
.algae-stats__value {
  display: block;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 2rem;
  color: var(--color-ink);
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.algae-stats__label { font-size: var(--step--1); color: var(--color-text-muted); }
.algae-stats__item--lead .algae-stats__value { font-size: 3.2rem; color: var(--color-brand-green-text); }

/* Evidencia: el gráfico a la izquierda; a su derecha, cómo leerlo y el
   registro original. La columna del gráfico es angosta a propósito: el SVG
   escala con su ancho, y más ancho solo agranda la letra. */
.algae-evidence {
  display: grid;
  grid-template-columns: minmax(0, 28rem) minmax(0, 1fr);
  gap: clamp(1rem, 2.5vw, 1.8rem);
  align-items: start;
  margin-top: var(--space-lg);
}
@media (max-width: 900px) { .algae-evidence { grid-template-columns: minmax(0, 1fr); } }

/* Gráfico del ensayo */
.algae-chart {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  margin: 0;
}
/* En un teléfono cada píxel de margen se le quita al gráfico. */
@media (max-width: 480px) { .algae-chart { padding: var(--space-md); } }
.algae-chart__head h4 { margin-top: 0; font-size: var(--step-2); }
.algae-chart__head p { color: var(--color-text-muted); }
.algae-chart__legend {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .4rem 1.2rem;
  padding: 0;
  margin: 0;
  font-size: var(--step--1);
}
.algae-chart__key {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: .4rem;
}
.algae-chart__key--before { background: var(--color-chart-before); }
.algae-chart__key--after { background: var(--color-chart-after); }
.algae-chart__svg { display: block; width: 100%; max-width: 26rem; height: auto; margin-top: var(--space-md); }
.algae-chart__grid { stroke: var(--color-border); stroke-width: 1; }
.algae-chart__tick { font-size: 11px; fill: var(--color-text-muted); font-variant-numeric: tabular-nums; }
.algae-chart__label,
.algae-chart__increase { font-size: 13px; font-weight: 700; fill: var(--color-ink); }
.algae-chart__increase { font-variant-numeric: tabular-nums; }
.algae-chart__link { stroke: var(--color-chart-before); stroke-width: 2; stroke-linecap: round; }
.algae-chart__dot { stroke: var(--color-surface); stroke-width: 2; }
.algae-chart__dot--before { fill: var(--color-chart-before); }
.algae-chart__dot--after { fill: var(--color-chart-after); }
.algae-chart__hit { fill: transparent; }
.algae-chart__row:hover .algae-chart__hit { fill: var(--color-surface-tint); }
.algae-chart__values { opacity: 0; font-size: 11px; fill: var(--color-text-body); font-variant-numeric: tabular-nums; transition: opacity .12s ease; }
.algae-chart__row:hover .algae-chart__values { opacity: 1; }
.algae-chart__foot { font-size: var(--step--1); color: var(--color-text-muted); }
.algae-details { margin-top: var(--space-md); }
.algae-details + .algae-details { margin-top: var(--space-sm); }
.algae-details summary { cursor: pointer; color: var(--color-brand-green-text); font-weight: 700; }
.algae-details .table-wrap { margin-top: var(--space-md); }
.algae-details .algae-note { margin-top: var(--space-md); }

/* Cómo leer el resultado */
.algae-reading {
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
  border-radius: var(--radius-card);
  padding: var(--space-lg);
}
.algae-reading h4 { font-size: var(--step-2); margin-top: 0; }
.algae-reading ul { list-style: disc; display: grid; gap: .5rem; padding-left: 1.2rem; margin: 0; }

.algae-figure { margin: var(--space-lg) 0 0; max-width: 760px; }
.algae-figure img {
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
}
.algae-figure figcaption { font-size: var(--step--1); color: var(--color-text-muted); margin-top: var(--space-sm); }

/* ---- BioGenerador y transferencia ---- */
.algae-transfer {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
}
@media (max-width: 760px) { .algae-transfer { grid-template-columns: 1fr; } }
.algae-panel .algae-transfer h3 { margin-top: var(--space-lg); }
.algae-checklist { list-style: none; padding: 0; margin: 0 0 var(--space-md); }
.algae-checklist li {
  display: flex;
  gap: .6rem;
  padding: .6rem 0;
  border-bottom: 1px solid var(--color-border);
}
.algae-checklist li::before {
  content: "✓";
  color: var(--color-brand-green-text);
  font-weight: 700;
}

/* Pasos de la transferencia: sí son una secuencia, y van numerados. */
.algae-steps { list-style: none; display: grid; gap: clamp(1rem, 2vw, 1.6rem); padding: 0; margin: var(--space-lg) 0 0; }
.algae-steps--stacked { grid-template-columns: 1fr; margin-top: 0; }
.algae-steps li { display: flex; flex-direction: column; gap: .4rem; }
.algae-steps__number {
  font-family: var(--font-label);
  font-size: .8rem;
  color: var(--color-brand-green-text);
  border-bottom: 1px solid var(--color-border);
  padding-bottom: .3rem;
}
.algae-panel .algae-steps h4 { font-size: 1.1rem; margin: 0 0 .1rem; }
.algae-steps p { color: var(--color-text-muted); font-size: .92rem; margin: 0; }

.algae-supplies { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-md); }
@media (max-width: 760px) { .algae-supplies { grid-template-columns: 1fr; } }
.algae-supply {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: var(--space-lg);
  text-align: center;
}
.algae-supply img {
  max-width: 180px;
  margin: 0 auto var(--space-md);
  border-radius: var(--radius-card);
}
.algae-supply p { color: var(--color-text-muted); margin: 0; }
.algae-supply__role {
  display: inline-block;
  font-family: var(--font-label);
  font-weight: 500;
  font-size: .7rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--color-brand-green-text);
  border: 1px solid var(--color-border);
  padding: .3em .8em;
  border-radius: var(--radius-pill);
  margin-bottom: var(--space-md);
}
.algae-panel .algae-supply h4 { margin-top: 0; }

/* ---- Preguntas frecuentes: <details> nativos, sin JavaScript ---- */
.algae-faq { max-width: 820px; margin-bottom: var(--space-lg); border-top: 1px solid var(--color-border); }
.algae-faq__item { border-bottom: 1px solid var(--color-border); }
.algae-faq__item summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--space-md);
  cursor: pointer;
  list-style: none;
  padding: var(--space-md) 0;
  font-weight: 700;
  color: var(--color-ink);
}
.algae-faq__item summary::-webkit-details-marker { display: none; }
.algae-faq__item summary::after {
  content: "+";
  content: "+" / "";
  flex: none;
  font-family: var(--font-label);
  font-weight: 400;
  font-size: 1.15rem;
  color: var(--color-brand-green-text);
}
.algae-faq__item[open] summary::after { content: "−"; content: "−" / ""; }
.algae-faq__item p {
  margin: 0 0 var(--space-md);
  color: var(--color-text-muted);
  max-width: 72ch;
}

/* ---- Cierre ---- */
.algae-cta {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: center;
  background: var(--color-surface-tint);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: clamp(1.8rem, 4vw, 3rem);
}
@media (max-width: 760px) { .algae-cta { grid-template-columns: 1fr; } }
.algae-cta h2 { margin: 0 0 var(--space-sm); }
.algae-cta p { color: var(--color-text-body); margin: 0; }
.algae-cta .eyebrow { margin-bottom: var(--space-sm); }
.algae-cta__actions { display: flex; flex-wrap: wrap; gap: var(--space-md); }
.algae-disclaimer { font-size: var(--step--1); color: var(--color-text-muted); margin-top: var(--space-lg); }

/* Fuentes públicas citadas */
.algae-sources {
  margin-top: var(--space-xl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}
.algae-sources h2 { font-size: var(--step-1); }
.algae-sources ul {
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-sm);
  padding: 0;
  margin: 0;
}
.algae-sources li { font-size: var(--step--1); overflow-wrap: anywhere; }
.algae-sources a { display: block; }
.algae-sources span { display: block; color: var(--color-text-muted); }