@font-face { font-family: 'Bree Serif'; font-display: swap; src: url(fonts/bree-serif-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Figtree'; font-weight: 400; font-display: swap; src: url(fonts/figtree-latin-400-normal.woff2) format('woff2'); }
@font-face { font-family: 'Figtree'; font-weight: 600; font-display: swap; src: url(fonts/figtree-latin-600-normal.woff2) format('woff2'); }
@font-face { font-family: 'Figtree'; font-weight: 700; font-display: swap; src: url(fonts/figtree-latin-700-normal.woff2) format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 500; font-display: swap; src: url(fonts/ibm-plex-mono-latin-500-normal.woff2) format('woff2'); }
:root {
  --green: #2b421a; --tint: #eef1e7; --cream: #f6f4ec; --ink: #22261c; --soft: #4a4a3e; --quiet: #6b6a5c; --line: #e1ddcf; --ochre: #7a5c22;
  --display: 'Bree Serif', Georgia, serif; --ui: 'Figtree', system-ui, sans-serif; --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --shadow: 0 1px 0 #e3dcc8, 0 14px 34px rgba(60, 50, 20, .07);
  color-scheme: light;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--cream); color: var(--ink); font: 16px/1.5 var(--ui); -webkit-text-size-adjust: 100%; }
a { color: var(--green); }
:focus-visible { outline: 3px solid #9c5d1e; outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.note.warn { color: #7a2412; font-weight: 600; }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 50; padding: 8px 14px; background: #fff; border-radius: 8px; }
.skip:focus { left: 8px; }
.suite { background: var(--green); }
.suite ul { display: flex; gap: 2px; max-width: 1240px; margin: 0 auto; padding: 4px 12px; overflow-x: auto; list-style: none; scrollbar-width: none; }
.suite a { display: inline-flex; align-items: center; min-height: 32px; padding: 0 12px; border-radius: 999px; color: #e4ecd6; font: 600 13px var(--ui); text-decoration: none; white-space: nowrap; }
.suite a:hover { color: #fff; background: rgb(255 255 255 / .1); }
.suite a[aria-current='page'] { background: #fff; color: var(--green); }
.suite a.shop::before { content: '←'; margin-right: 6px; }
.suite a.shop { color: #fff; box-shadow: inset 0 0 0 1px rgb(255 255 255 / .35); }
.suite .pin { display: flex; gap: 4px; margin-right: 6px; }
.suite .short { display: none; }
@media (max-width: 760px) { .suite .pin { position: sticky; left: 0; z-index: 1; padding-right: 6px; background: var(--green); box-shadow: -12px 0 0 var(--green), 8px 0 8px -6px rgb(0 0 0 / .35); } }
@media (max-width: 440px) { .suite .long { display: none; } .suite .short { display: inline; } .suite .pin { margin-right: 4px; } }
.suite a.start { background: #f2d79a; color: #2b421a; }
.suite a.start::before { content: '🌱'; margin-right: 5px; }
.suite a.start:hover { background: #f7e3b5; color: #2b421a; }
.top { position: sticky; top: 0; z-index: 10; background: #fff; border-bottom: 1px solid var(--line); }
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; max-width: 1240px; margin: 0 auto; padding: 10px 20px; }
.brand { display: flex; align-items: center; gap: 8px; min-height: 44px; color: var(--green); font: 400 17px var(--display); text-decoration: none; }
.langs { display: flex; gap: 4px; }
.langs button { min-width: 44px; min-height: 40px; border: 1px solid #cfc8b4; border-radius: 999px; background: #fff; color: var(--green); font: 600 13px var(--ui); cursor: pointer; }
.langs button[aria-pressed='true'] { background: var(--green); border-color: var(--green); color: #fff; }
main { max-width: 1040px; margin: 0 auto; padding: 0 20px 56px; }
h1 { margin: 26px 0 8px; font: 400 clamp(32px, 5vw, 46px)/1.1 var(--display); color: var(--green); text-wrap: balance; }
h2 { margin: 30px 0 10px; font: 400 24px var(--display); color: var(--green); }
.lead { max-width: 66ch; margin: 0 0 18px; color: var(--soft); }
.note { margin: 8px 0 0; font-size: 13.5px; color: var(--quiet); }
.mono { font-family: var(--mono); font-size: 13px; color: var(--soft); }
.disclaimer { margin: 34px 0 0; font-size: 13px; color: var(--quiet); }
.crumb { margin: 20px 0 0; }
.crumb a { display: inline-flex; align-items: center; min-height: 40px; font-weight: 700; text-decoration: none; }
.eyebrow { margin: 6px 0 0; font: 600 11px var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ochre); }
.ohead h1 { margin-top: 4px; }
.inci { margin: 0 0 14px; font-size: 14px; color: var(--soft); }
.inci span { font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--quiet); }
code { font: 500 14px var(--mono); color: var(--ink); background: var(--tint); padding: 2px 6px; border-radius: 6px; }
.ctas { display: flex; flex-wrap: wrap; gap: 8px; }
.btn { display: inline-flex; align-items: center; min-height: 44px; padding: 0 18px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--ink); font-weight: 600; font-size: 15px; text-decoration: none; }
.btn.primary { background: var(--green); border-color: var(--green); color: #fff; }
.facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.fact { display: flex; flex-direction: column; gap: 2px; padding: 14px 16px; border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
.fl { font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--ochre); }
.fact strong { font: 500 26px var(--mono); color: var(--green); font-variant-numeric: tabular-nums; }
.fu { font-size: 12.5px; color: var(--quiet); }
.salts { margin: 12px 0 0; font-size: 14px; color: var(--soft); }
.salts code { font-size: 13px; }
.use { padding: 2px 20px 18px; margin-top: 30px; border-radius: 18px; background: var(--tint); }
.use h2 { margin-top: 18px; }
.use .big { margin: 0; font-size: 18px; color: var(--ink); }
table { width: 100%; border-collapse: collapse; background: #fff; border-radius: 14px; overflow: hidden; font-size: 14.5px; box-shadow: var(--shadow); }
th, td { padding: 10px 12px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
thead th { border-top: 0; font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--quiet); }
.r { text-align: right; white-space: nowrap; font-family: var(--mono); }
.c { text-align: center; }
.stack { display: flex; height: 22px; border-radius: 8px; overflow: hidden; background: var(--line); }
.legend { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 4px 16px; margin: 12px 0 0; padding: 0; list-style: none; font-size: 14px; }
.legend li { display: grid; grid-template-columns: 14px 1fr auto; gap: 8px; align-items: center; }
.sw { width: 14px; height: 14px; border-radius: 4px; border: 1px solid rgb(0 0 0 / .08); }
.quals { display: grid; gap: 8px; margin: 10px 0 0; padding: 0; list-style: none; }
.quals li { display: grid; grid-template-columns: 130px minmax(0, 1fr) 54px 74px; gap: 12px; align-items: center; font-size: 14px; }
.track { position: relative; height: 10px; border-radius: 6px; background: #ece8dc; }
.band { position: absolute; top: 0; bottom: 0; background: #cfdcb8; border-radius: 6px; }
.mark { position: absolute; top: -4px; width: 4px; height: 18px; margin-left: -2px; border-radius: 2px; background: var(--green); }
.mark.low, .mark.high { background: #b5562f; }
.qv { font: 500 15px var(--mono); text-align: right; }
.qv.low, .qv.high { color: #a2451f; }
.qr { font: 500 12px var(--mono); color: var(--quiet); }
.subs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.subs a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; font-weight: 600; text-decoration: none; }
.src { margin: 0; padding-left: 20px; font-size: 14px; color: var(--soft); }
.tools { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; margin: 0 0 14px; }
.search { display: flex; flex-direction: column; gap: 4px; flex: 1 1 260px; font-size: 13px; font-weight: 600; color: var(--soft); }
.search input { min-height: 44px; padding: 0 14px; border: 1px solid #c9cebf; border-radius: 12px; font: 16px var(--ui); background: #fff; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chips button { min-height: 38px; padding: 0 12px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--soft); font: 600 13.5px var(--ui); cursor: pointer; }
.chips button[aria-pressed='true'] { background: var(--green); border-color: var(--green); color: #fff; }
.tablewrap { overflow-x: auto; border-radius: 14px; }
.lye thead th { white-space: normal; }
.lye tbody th { white-space: nowrap; }
.dose .lye tbody th { white-space: normal; }
.dose .lye td { white-space: nowrap; }
.db th[scope='row'] a { font-weight: 700; text-decoration: none; }
.db th[scope='row'] a:hover { text-decoration: underline; }
.db th[scope='row'] small { display: block; font: 500 11.5px var(--mono); color: var(--quiet); }
.db thead button { all: unset; cursor: pointer; font: inherit; text-transform: inherit; color: inherit; }
.db thead button:focus-visible { outline: 3px solid #9c5d1e; }
.db thead button::after { content: ' ↕'; opacity: .45; }
.db th[aria-sort='ascending'] button::after { content: ' ↑'; opacity: 1; }
.db th[aria-sort='descending'] button::after { content: ' ↓'; opacity: 1; }
.aa { display: inline-block; padding: 1px 7px; border-radius: 999px; background: var(--green); color: #fff; font: 700 11px var(--ui); }
[hidden] { display: none !important; }
/* Fichas de materias primas para cosmética */
.crossnav { margin: -4px 0 18px; }
.fact.txt strong { font: 700 17px/1.25 var(--ui); padding-top: 4px; }
.prose { max-width: 70ch; margin: 0; font-size: 16.5px; line-height: 1.6; }
.dose .batch { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; margin: 0 0 12px; font-weight: 600; }
.dose .inp { display: inline-flex; align-items: center; gap: 6px; font: 500 15px var(--mono); }
.dose input { width: 110px; min-height: 44px; padding: 0 12px; border: 1px solid #c9cebf; border-radius: 10px; background: #fff; font: 500 17px var(--mono); color: var(--ink); }
.dose output { font: 600 16px var(--mono); color: var(--green); font-variant-numeric: tabular-nums; }
.steps { max-width: 70ch; margin: 0; padding: 0; list-style: none; counter-reset: st; }
.steps li { position: relative; padding: 0 0 14px 44px; counter-increment: st; line-height: 1.55; }
.steps li::before { content: counter(st); position: absolute; left: 0; top: -2px; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; background: var(--green); color: #fff; font: 700 14px var(--ui); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.tags li { padding: 8px 14px; border-radius: 999px; background: var(--tint); font-weight: 600; font-size: 14.5px; }
.care { margin-top: 30px; padding: 2px 20px 16px; border-radius: 18px; background: #fbefe9; }
.care h2 { margin-top: 18px; color: #7a2412; }
.care ul { margin: 0; padding-left: 20px; }
.care li { margin: 0 0 8px; line-height: 1.5; }
.alts { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.alts li { padding: 12px 16px; border-radius: 14px; background: #fff; box-shadow: var(--shadow); line-height: 1.5; }
.alts strong { display: block; color: var(--green); }
.alts span { color: var(--soft); font-size: 14.5px; }
.jump ul { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 8px; padding: 0; list-style: none; }
.jump a { display: inline-flex; align-items: center; min-height: 40px; padding: 0 14px; border-radius: 999px; background: var(--tint); font-weight: 600; font-size: 14px; text-decoration: none; }
.cosgroup h2 small { font: 500 14px var(--mono); color: var(--quiet); }
.cosgroup { scroll-margin-top: 80px; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 0; padding: 0; list-style: none; }
.cards .card { display: flex; flex-direction: column; gap: 6px; height: 100%; padding: 18px 20px; border-radius: 16px; background: #fff; box-shadow: var(--shadow); border: 2px solid transparent; color: inherit; text-decoration: none; }
.cards .card:hover, .cards .card:focus-visible { border-color: var(--green); }
.cards .eyebrow { margin: 0; }
.cards strong { font: 400 22px/1.2 var(--display); color: var(--green); }
.cards .cl { color: var(--soft); font-size: 14.5px; }
.cards .go { margin-top: auto; padding-top: 6px; font-weight: 700; color: var(--green); }
@media (max-width: 760px) {
  .facts { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .legend { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .quals li { grid-template-columns: 100px minmax(0, 1fr) 44px; }
  .qr { display: none; }
  .db td:nth-child(2) { display: none; }
  .db th:nth-child(2) { display: none; }
  .cards { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 440px) {
  .bar { padding: 8px 12px; }
  main { padding: 0 16px 48px; }
  .suite ul { gap: 0; padding: 4px 6px; }
  .suite a { padding: 0 7px; font-size: 12px; }
  .legend { grid-template-columns: minmax(0, 1fr); }
  th, td { padding: 9px 8px; }
}
@media print {
  .suite, .top, .ctas, .skip, .tools, .crumb, .subs, .crossnav { display: none; }
  * { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  table, .fact { box-shadow: none; border: 1px solid #ccc; }
}
/* Ayuda: preguntas frecuentes y glosario */
.toc { margin: 0 0 6px; }
.chips a { display: inline-flex; align-items: center; min-height: 38px; padding: 0 14px; border: 1px solid var(--line); border-radius: 999px; background: #fff; color: var(--green); font: 600 14px var(--ui); text-decoration: none; }
.chips a:hover { border-color: var(--green); }
.faq details { margin: 0 0 8px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.faq summary { display: flex; align-items: center; gap: 10px; min-height: 52px; padding: 10px 16px; font-weight: 700; color: var(--ink); cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: '+'; flex: none; display: grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--tint); color: var(--green); font: 700 17px var(--ui); }
.faq details[open] summary::before { content: '–'; }
.faq details p { margin: 0; padding: 0 16px 16px 52px; color: var(--soft); }
.cta { margin: 26px 0 0; }
.letters { display: flex; flex-wrap: wrap; gap: 4px; margin: 0 0 14px; }
.letters a { display: grid; place-items: center; min-width: 40px; min-height: 40px; border-radius: 10px; background: #fff; border: 1px solid var(--line); font: 600 15px var(--mono); text-decoration: none; }
.glossary { margin: 0; }
.lh { margin: 22px 0 6px; font: 400 26px var(--display); color: var(--ochre); scroll-margin-top: 90px; }
.glossary .term { padding: 12px 16px; margin: 0 0 8px; border-radius: 14px; background: #fff; border: 1px solid var(--line); scroll-margin-top: 90px; }
.glossary .term:target { border-color: var(--green); box-shadow: 0 0 0 3px var(--tint); }
.glossary dt { font-weight: 700; color: var(--green); }
.glossary dd { margin: 4px 0 0; color: var(--soft); }
@media (max-width: 440px) { .faq details p { padding-left: 16px; } }
@media print { .faq details { break-inside: avoid; } .letters, .toc, .cta { display: none; } }

/* Aprende: lecciones */
.learnlink { margin: 10px 0 14px; }
.learnlink a { display: inline-flex; align-items: center; min-height: 44px; padding: 8px 16px; border-radius: 14px; background: #f2d79a; color: #2b421a; font-weight: 700; text-decoration: none; line-height: 1.35; }
.learnlink a:hover { background: #f7e3b5; }
.fig { margin: 16px 0 20px; max-width: 560px; }
.fig .draw { display: block; height: auto; }
.fig figcaption { display: flex; flex-direction: column; gap: 6px; margin-top: 8px; font-size: 14.5px; color: var(--soft); line-height: 1.5; }
.fig .key { display: flex; gap: 8px; align-items: baseline; }
.fig .dot { flex: none; width: 12px; height: 12px; border-radius: 50%; transform: translateY(1px); }
.fams { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 14px 0; }
.fam { padding: 16px 18px; border-radius: 16px; background: #fff; box-shadow: var(--shadow); border-top: 6px solid var(--fam); scroll-margin-top: 80px; }
.fam h3 { margin: 6px 0 2px; font: 400 22px var(--display); color: var(--fam); }
.fam p { margin: 6px 0; line-height: 1.5; }
.fam .charge { margin-top: 0; font: 600 12px var(--mono); text-transform: uppercase; letter-spacing: .06em; color: var(--quiet); }
.fam .used, .fam .shop { font-size: 14.5px; }
.jobs { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 10px; margin: 0 0 18px; padding: 0; list-style: none; }
.jobs li { display: flex; flex-direction: column; gap: 4px; padding: 14px 16px; border-radius: 14px; background: var(--tint); line-height: 1.45; }
.jobs .ic { font-size: 24px; }
.jobs span:last-child { font-size: 14.5px; color: var(--soft); }
.hlb { position: relative; max-width: 620px; margin: 10px 0 4px; }
.hlb-bar { position: relative; height: 120px; border-radius: 12px; background: linear-gradient(90deg, #efe4c4, #e4eef1); }
.hlb-zone { position: absolute; height: 18px; border-radius: 9px; margin-top: 6px; }
.hlb-mark { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--cat, #b0413e); }
.hlb-axis { position: relative; height: 22px; font: 500 12px var(--mono); color: var(--quiet); }
.hlb-axis span { position: absolute; transform: translateX(-50%); top: 4px; }
.hlb-legend { margin: 6px 0 0; padding: 0; list-style: none; display: grid; gap: 4px; font-size: 14.5px; }
.hlb-legend li { display: flex; gap: 8px; align-items: center; }
.hlb-legend .sw { flex: none; width: 22px; height: 12px; border-radius: 6px; }
.combos { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.combos li { display: flex; gap: 12px; padding: 12px 16px; border-radius: 14px; background: #fff; box-shadow: var(--shadow); }
.combos .mark { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: #fff; font-weight: 700; }
.combos .ok .mark { background: var(--green); }
.combos .no .mark { background: #a3361f; }
.combos p { margin: 4px 0 0; color: var(--soft); font-size: 14.5px; line-height: 1.5; }
.activecalc { padding: 2px 18px 16px; border-radius: 18px; background: var(--tint); }
.activecalc .batch { display: flex; align-items: center; flex-wrap: wrap; gap: 8px 12px; margin: 14px 0 12px; font-weight: 600; }
.activecalc .inp { display: inline-flex; align-items: center; gap: 6px; font: 500 15px var(--mono); }
.activecalc input, .activecalc select { min-height: 44px; padding: 0 10px; border: 1px solid #c9cebf; border-radius: 10px; background: #fff; font: 500 15px var(--ui); color: var(--ink); }
.activecalc input[type=number] { width: 90px; font-family: var(--mono); }
.activecalc select { width: 100%; min-width: 150px; }
.activecalc td { vertical-align: middle; }
.activecalc output { font: 600 15px var(--mono); color: var(--green); white-space: nowrap; }
.acres { margin: 12px 0 0; font-size: 15.5px; }
.acres strong { font: 600 19px var(--mono); color: var(--green); margin-right: 6px; }
.quiz { display: grid; gap: 12px; }
.q { margin: 0; padding: 14px 16px; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.q legend { padding: 0 4px; font-weight: 700; line-height: 1.4; }
.q .qn { display: inline-grid; place-items: center; width: 26px; height: 26px; margin-right: 4px; border-radius: 50%; background: var(--green); color: #fff; font: 700 13px var(--ui); }
.q .opts { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 8px; }
.q button { min-height: 44px; padding: 0 16px; border: 1px solid #c9cebf; border-radius: 999px; background: #fff; color: var(--ink); font: 600 15px var(--ui); cursor: pointer; }
.q button:hover { border-color: var(--green); }
.q button.right { background: var(--green); border-color: var(--green); color: #fff; }
.q button.wrong { background: #fbe9e4; border-color: #a3361f; color: #7a2412; }
.q button[aria-disabled='true'] { cursor: default; }
.q .exp { margin: 10px 0 0; color: var(--soft); line-height: 1.5; }
.q .verdict { font-weight: 700; color: var(--ink); }
.score { font-weight: 600; }
@media (max-width: 760px) {
  .fams { grid-template-columns: minmax(0, 1fr); }
  .activecalc { padding: 2px 12px 14px; }
  .activecalc input[type=number] { width: 72px; }
}
@media print { .quiz, .activecalc, .learnlink { display: none; } }