/* Ciencia para compartir: shared styles. Desert palette, one reading column, dunes as the header horizon. */
:root {
  --bg: #F4EAD9;
  --surface: #EBDCC2;
  --fg: #3B2618;
  --muted: #6E4A31;
  --accent: #A84E28;
  --sage: #5E6B4C;
  --sand: #CF9E62;
  --dune1: #E6CFA6; --dune2: #CF9E62; --dune3: #B5643A;
  --sun: #D9803F;
  --display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --body: 'DM Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) { :root {
  --bg: #1F1610; --surface: #2B2017; --fg: #F1E4CC; --muted: #CDB596; --accent: #E59766; --sage: #A9B98F; --sand: #8C6740;
  --dune1: #3A2A1C; --dune2: #4E3522; --dune3: #6B3F24; --sun: #E9D9B0; color-scheme: dark } }

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font-family: var(--body); font-size: 17px; line-height: 1.55; }
img { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 3px; }
a:hover { color: var(--fg); }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[data-lang="es"] .en, [data-lang="es"] .fr, [data-lang="en"] .es, [data-lang="en"] .fr, [data-lang="fr"] .es, [data-lang="fr"] .en { display: none !important; }

.horizon { position: relative; height: 150px; overflow: hidden; }
.horizon > svg:not(.cactus) { position: absolute; left: 0; bottom: 0; width: 100%; height: 120px; display: block; }
.cactus { position: absolute; color: var(--sage); }
.cactus.c1 { left: 9%; bottom: 62px; width: 46px; height: 78px; }
.cactus.c2 { left: 38%; bottom: 66px; width: 28px; height: 46px; }
.sun { position: absolute; right: 12%; bottom: 46px; width: 84px; height: 84px; border-radius: 50%; background: var(--sun); }

.wrap { max-width: 720px; margin: 0 auto; padding-inline: 20px; padding-block: 28px 64px; display: flex; flex-direction: column; gap: 40px; }

header { display: flex; flex-direction: column; gap: 14px; }
.top { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.eyebrow { font-size: 13px; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase; color: var(--sage); text-decoration: none; }
a.eyebrow:hover { color: var(--fg); }
.lang { display: inline-flex; border: 1.5px solid var(--sand); border-radius: 999px; padding: 3px; gap: 2px; }
.lang button { font: 500 14px var(--body); color: var(--muted); background: none; border: 0; border-radius: 999px; padding: 6px 14px; min-height: 36px; cursor: pointer; }
.lang button[aria-pressed="true"] { background: var(--fg); color: var(--bg); }
h1 { margin: 0; font-family: var(--display); font-weight: 600; font-size: clamp(34px, 7vw, 52px); line-height: 1.05; letter-spacing: -0.01em; text-wrap: balance; }
h1 em { font-weight: 400; color: var(--accent); }
.lede { margin: 0; color: var(--muted); max-width: 60ch; }
.reviewed { margin: 0; font-size: 13px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sage); }

/* Topic list (home) */
.topics { display: flex; flex-direction: column; gap: 28px; }
.topic { display: grid; grid-template-columns: 132px minmax(0, 1fr); gap: 20px; align-items: start; text-decoration: none; color: inherit; }
.topic img { width: 132px; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 10px; }
.topic .date { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sage); font-variant-numeric: tabular-nums; }
.topic h2 { margin: 4px 0 8px; font-family: var(--display); font-weight: 600; font-size: 26px; line-height: 1.15; text-wrap: balance; }
.topic p { margin: 0; color: var(--muted); }
.topic:hover h2 { color: var(--accent); }
@media (max-width: 420px) { .topic { grid-template-columns: 96px minmax(0, 1fr); gap: 14px; } .topic img { width: 96px; } .topic h2 { font-size: 22px; } }

/* Reference pages */
.legend { display: flex; flex-direction: column; gap: 10px; padding: 18px 20px; border-radius: 16px; background: var(--surface); }
.legend p { margin: 0; font-size: 15px; display: flex; gap: 10px; align-items: baseline; }
.chip { flex: none; display: inline-block; font-size: 12px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 3px 9px; border-radius: 999px; border: 1.5px solid currentColor; white-space: nowrap; }
.chip.rct { color: var(--accent); }
.chip.obs { color: var(--sage); }
.chip.db { color: var(--muted); }
.chip.meta { color: var(--fg); }
.chip.rev { color: var(--muted); border-style: dashed; }
.chip.lab { color: var(--muted); border-style: dotted; }
section { display: flex; flex-direction: column; gap: 18px; }
.frame { display: flex; align-items: baseline; gap: 12px; border-bottom: 1.5px solid var(--sand); padding-bottom: 8px; }
.frame h2 { margin: 0; font-family: var(--display); font-weight: 600; font-size: 24px; line-height: 1.2; }
.note { margin: 0; font-size: 15px; color: var(--muted); font-style: italic; }
.ref { display: flex; flex-direction: column; gap: 8px; min-width: 0; }
.ref .cite { margin: 0; font-size: 15px; color: var(--muted); }
.ref .title { margin: 0; font-family: var(--display); font-size: 19px; line-height: 1.3; }
.ref .finding { margin: 0; }
.meta { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; }
.doi { font-size: 14px; overflow-wrap: anywhere; }
.stories { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.preview { width: 100%; height: auto; border-radius: 16px; }
.stories img { width: 100%; height: auto; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 12px; }

footer { font-size: 14px; color: var(--muted); border-top: 1.5px solid var(--sand); padding-top: 18px; display: flex; flex-direction: column; gap: 8px; }
footer p { margin: 0; }
.sub-h { margin: 10px 0 0; font-family: var(--display); font-weight: 600; font-size: 20px; color: var(--accent); }

/* Regulation table (disruptores-endocrinos) */
.reg-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.reg { width: 100%; border-collapse: collapse; font-size: 15px; }
.reg th { text-align: left; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); padding: 8px 10px; border-bottom: 1.5px solid var(--sand); }
.reg td { vertical-align: top; padding: 12px 10px; border-bottom: 1px solid var(--surface); }
.reg td:first-child { font-weight: 700; white-space: nowrap; }
.st { display: inline-block; white-space: nowrap; font-size: 12px; font-weight: 700; letter-spacing: 0.04em; padding: 3px 9px; border-radius: 999px; border: 1.5px solid currentColor; }
.st.ok { color: var(--sage); }
.st.part { color: var(--muted); border-style: dashed; }
.st.rev { color: var(--accent); }
@media (max-width: 560px) {
  .reg thead { display: none; }
  .reg, .reg tbody { display: block; }
  .reg tr { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 10px; padding: 14px 0; border-bottom: 1px solid var(--sand); }
  .reg td { display: block; padding: 0; border: 0; }
  .reg td:nth-child(2) { grid-column: 1 / -1; grid-row: 2; }
}

/* Categories (home) */
.cats { display: flex; flex-direction: column; gap: 20px; }
.cat { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: center; padding: 18px; border-radius: 16px; background: var(--surface); text-decoration: none; color: inherit; }
.cat .thumbs { display: flex; }
.cat .thumbs img { width: 72px; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 8px; border: 2px solid var(--surface); }
.cat .thumbs img + img { margin-left: -34px; }
.cat h2 { margin: 0 0 6px; font-family: var(--display); font-weight: 600; font-size: 26px; line-height: 1.15; }
.cat p { margin: 0; color: var(--muted); }
.cat .count { margin-top: 8px; font-size: 13px; font-weight: 500; letter-spacing: 0.08em; text-transform: uppercase; color: var(--sage); }
.cat:hover h2 { color: var(--accent); }
@media (max-width: 420px) { .cat { grid-template-columns: 1fr; } }


/* Serie: temas conectados (p. ej. disruptores endocrinos en salud, ambiente y tecnología) */
.serie { display: flex; flex-direction: column; gap: 12px; padding: 18px 20px; border-radius: 16px; background: var(--surface); }
.serie .serie-label { margin: 0; font-size: 13px; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--sage); }
.serie ol { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.serie li > a, .serie li > div { display: grid; grid-template-columns: 40px minmax(0, 1fr); gap: 14px; align-items: center; text-decoration: none; color: inherit; }
.serie img { width: 40px; aspect-ratio: 9 / 16; object-fit: cover; border-radius: 6px; }
.serie .cat-name { display: block; font-size: 12px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); }
.serie .t { display: block; font-family: var(--display); font-weight: 600; font-size: 18px; line-height: 1.2; }
.serie li > a:hover .t { color: var(--accent); }
.serie .here-tag { display: inline-block; margin-left: 8px; font-family: var(--body); font-size: 11px; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--sage); border: 1.5px solid currentColor; border-radius: 999px; padding: 1px 7px; vertical-align: middle; }