.learn-preview {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(360px, 1.1fr);
  gap: clamp(42px, 8vw, 120px);
  align-items: center;
  padding: clamp(88px, 12vw, 170px) clamp(24px, 5vw, 74px);
  background: #eaf0e2;
  color: var(--ink);
}

.learn-preview__intro h2 {
  max-width: 760px;
  margin: 20px 0 24px;
  font-size: clamp(2.8rem, 5vw, 5.7rem);
  line-height: .96;
  letter-spacing: -.055em;
}

.learn-preview__intro h2 em {
  color: #4e773a;
  font-style: normal;
}

.learn-preview__intro > p:not(.section-tag) {
  max-width: 590px;
  margin: 0 0 32px;
  color: #435649;
  font-size: 17px;
  line-height: 1.75;
}

.learn-preview .section-tag { color: #52783d; }

.learn-preview__feature {
  position: relative;
  min-height: 430px;
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  padding: clamp(28px, 4vw, 52px);
  background:
    radial-gradient(circle at 78% 18%, rgba(200, 235, 131, .2), transparent 29%),
    linear-gradient(145deg, #0b2c1f, #061b13);
  color: #f1f4eb;
  text-decoration: none;
  box-shadow: 0 28px 60px rgba(12, 42, 29, .16);
}

.learn-preview__feature::before,
.learn-preview__feature::after {
  content: "";
  position: absolute;
  border: 1px solid rgba(200, 235, 131, .28);
  border-radius: 50%;
}

.learn-preview__feature::before { width: 240px; height: 240px; right: -70px; top: -70px; }
.learn-preview__feature::after { width: 130px; height: 130px; right: -16px; top: -16px; }
.learn-preview__feature > div { position: relative; z-index: 1; }
.learn-preview__number { position: absolute; top: 26px; left: 30px; color: #c8eb83; font: 500 12px var(--mono); }
.learn-preview__feature small { color: #c8eb83; font: 500 11px var(--mono); letter-spacing: .1em; }
.learn-preview__feature h3 { max-width: 590px; margin: 14px 0; font-size: clamp(2rem, 3vw, 3.3rem); line-height: 1.05; letter-spacing: -.04em; }
.learn-preview__feature p { max-width: 510px; color: #c5d4c7; font-size: 16px; }
.learn-preview__feature strong { display: inline-flex; align-items: center; gap: 9px; margin-top: 16px; color: #eaf6c9; font-size: 14px; }

/* Desde la raíz — portada editorial */
.editorial-page { background: #eef2e8; color: #123023; }
.editorial-page .site-header { color: #f1f4eb; background: rgba(7, 31, 22, .96); }
.editorial-page main { overflow: hidden; }
.editorial-page .site-footer { background: #061c13; color: #eff5e9; }
.editorial-page .site-nav a[aria-current="page"] { color: var(--lime); }

.learning-hero {
  position: relative;
  min-height: 760px;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(350px, .9fr);
  gap: clamp(40px, 7vw, 110px);
  align-items: center;
  padding: 160px clamp(24px, 6vw, 90px) 90px;
  color: #f2f5ec;
  background: #082419;
}

.learning-hero__copy { position: relative; z-index: 1; }
.learning-hero h1 { max-width: 900px; margin: 22px 0; font-size: clamp(4rem, 7.5vw, 8.2rem); line-height: .86; letter-spacing: -.065em; }
.learning-hero h1 em { display: block; color: var(--lime); font-style: normal; }
.learning-hero__lead { max-width: 680px; color: #cbd8cb; font-size: clamp(18px, 2vw, 22px); line-height: 1.65; }
.learning-hero__note { display: flex; gap: 12px; align-items: flex-start; max-width: 550px; margin-top: 34px; padding-top: 24px; border-top: 1px solid rgba(229, 239, 225, .18); color: #aec1b2; font-size: 14px; }
.learning-hero__note i { color: var(--lime); font-size: 22px; }

.learning-map { position: relative; min-height: 510px; display: grid; place-items: center; }
.learning-map__core { z-index: 2; width: 184px; height: 184px; display: grid; place-content: center; text-align: center; border: 1px solid rgba(200, 235, 131, .62); border-radius: 50%; background: rgba(11, 45, 31, .86); box-shadow: 0 0 70px rgba(200, 235, 131, .12); }
.learning-map__core i { margin-bottom: 8px; color: var(--lime); font-size: 32px; }
.learning-map__core strong { font-size: 17px; }
.learning-map__core small { margin-top: 4px; color: #a8bbaa; font: 10px var(--mono); }
.learning-map__orbit { position: absolute; inset: 6%; border: 1px solid rgba(215, 234, 208, .15); border-radius: 50%; }
.learning-map__orbit--inner { inset: 24%; }
.learning-map__item { position: absolute; z-index: 3; display: flex; align-items: center; gap: 8px; padding: 9px 12px; border: 1px solid rgba(215, 234, 208, .2); background: #0d3022; color: #dfe9dc; font: 500 10px var(--mono); letter-spacing: .06em; text-transform: uppercase; }
.learning-map__item i { color: var(--lime); font-size: 18px; }
.learning-map__item--one { top: 12%; left: 6%; }
.learning-map__item--two { top: 19%; right: 0; }
.learning-map__item--three { bottom: 15%; left: 0; }
.learning-map__item--four { bottom: 10%; right: 5%; }

.editorial-bridge {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr);
  gap: clamp(50px, 10vw, 160px);
  overflow: hidden;
  padding: clamp(92px, 11vw, 150px) clamp(24px, 8vw, 125px);
  background: #e5ede0;
}
.editorial-bridge::before {
  content: "";
  position: absolute;
  width: min(62vw, 900px);
  height: 100%;
  top: 0;
  right: -14%;
  background: url("/assets/brand/codice-raiz-rama-grafos-v2.png") center / contain no-repeat;
  opacity: .16;
  pointer-events: none;
}
.editorial-bridge__copy,
.editorial-principles { position: relative; z-index: 1; }
.editorial-bridge h2 { max-width: 750px; margin: 18px 0 24px; font-size: clamp(2.9rem, 5.2vw, 5.8rem); line-height: .94; letter-spacing: -.06em; }
.editorial-bridge h2 em { color: #4d7839; font-style: normal; }
.editorial-bridge__copy > p:not(.section-tag) { max-width: 620px; margin: 0; color: #4b6050; font-size: 17px; line-height: 1.75; }
.editorial-principles { display: grid; align-content: center; gap: 1px; margin: 0; padding: 0; list-style: none; background: rgba(16, 48, 31, .14); }
.editorial-principles li { display: flex; gap: 17px; align-items: flex-start; padding: 23px 22px; background: rgba(242, 246, 237, .86); }
.editorial-principles i { color: #4d7839; font-size: 23px; }
.editorial-principles strong { display: block; margin-bottom: 3px; font-size: 15px; }
.editorial-principles span { color: #607166; font-size: 13px; line-height: 1.55; }

.learning-section { padding: clamp(84px, 10vw, 140px) clamp(24px, 6vw, 90px); }
.learning-section--light { background: #e5ede0; }
.learning-section__head { display: grid; grid-template-columns: 1fr minmax(280px, 480px); gap: 40px; align-items: end; margin-bottom: 54px; }
.learning-section__head h2 { max-width: 780px; margin: 18px 0 0; font-size: clamp(2.8rem, 5vw, 5.7rem); line-height: .94; letter-spacing: -.055em; }
.learning-section__head > p { margin: 0; color: #53645a; font-size: 17px; line-height: 1.7; }
.editorial-page .section-tag { color: #527b3c; }

.learning-paths { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.learning-path { min-height: 310px; display: flex; flex-direction: column; padding: 28px; border: 1px solid #cad6c8; background: rgba(255,255,255,.56); scroll-margin-top: 110px; }
.learning-path > i { width: 48px; height: 48px; display: grid; place-items: center; margin-bottom: auto; border-radius: 50%; background: #dce9cd; color: #31592e; font-size: 23px; }
.learning-path span { color: #557263; font: 500 10px var(--mono); letter-spacing: .1em; }
.learning-path h3 { margin: 10px 0 8px; font-size: 25px; letter-spacing: -.03em; }
.learning-path p { margin: 0; color: #5d6c63; font-size: 14px; line-height: 1.65; }

.featured-guide { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 500px; background: #0a291d; color: #eef3e9; }
.featured-guide__visual { position: relative; display: grid; place-items: center; overflow: hidden; background: #0d3324; }
.featured-guide__visual::before { content: ""; position: absolute; width: 430px; height: 430px; border: 1px solid rgba(200,235,131,.2); border-radius: 50%; box-shadow: 0 0 0 70px rgba(200,235,131,.035), 0 0 0 140px rgba(200,235,131,.025); }
.feature-process { position: relative; z-index: 1; display: grid; gap: 14px; width: min(74%, 330px); }
.feature-process span { display: grid; grid-template-columns: 38px 1fr; gap: 12px; align-items: center; padding: 13px; background: #e7eddc; color: #183226; font-weight: 700; font-size: 13px; }
.feature-process b { display: grid; place-items: center; width: 30px; height: 30px; background: #c8eb83; font: 500 10px var(--mono); }
.featured-guide__copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(36px, 6vw, 84px); }
.featured-guide__copy small { color: var(--lime); font: 500 11px var(--mono); letter-spacing: .1em; }
.featured-guide__copy h3 { max-width: 700px; margin: 16px 0 20px; font-size: clamp(2.6rem, 4.5vw, 5.2rem); line-height: .94; letter-spacing: -.055em; }
.featured-guide__copy p { max-width: 620px; color: #bdccbe; font-size: 17px; line-height: 1.7; }
.featured-guide__copy .button { align-self: flex-start; margin-top: 18px; }

.catalog-controls { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 34px; }
.filter-button { min-height: 42px; padding: 9px 15px; border: 1px solid #bfcbbd; background: transparent; color: #385144; font: 600 12px var(--sans); cursor: pointer; }
.filter-button:hover,
.filter-button.is-active { border-color: #17462f; background: #17462f; color: #f4f7ef; }
.guide-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.guide-card { min-height: 270px; display: flex; flex-direction: column; padding: 26px; border: 1px solid #cbd5c7; background: #edf1e8; color: #153126; text-decoration: none; transition: transform .2s, border-color .2s, box-shadow .2s; }
.guide-card:hover { transform: translateY(-4px); border-color: #6c8b65; box-shadow: 0 14px 30px rgba(26, 61, 43, .08); }
.guide-card[hidden] { display: none; }
.guide-card__meta { display: flex; justify-content: space-between; color: #57705f; font: 500 10px var(--mono); letter-spacing: .07em; text-transform: uppercase; }
.guide-card h3 { margin: auto 0 12px; font-size: 23px; line-height: 1.15; letter-spacing: -.035em; }
.guide-card p { margin: 0 0 20px; color: #637168; font-size: 13px; line-height: 1.6; }
.guide-card strong { display: inline-flex; align-items: center; gap: 7px; color: #355e37; font-size: 12px; }
.guide-card--soon { opacity: .8; }
.guide-card--soon:hover { transform: none; box-shadow: none; }

.learning-closing { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: center; padding: clamp(75px, 9vw, 120px) clamp(24px, 6vw, 90px); background: #c8eb83; color: #102c1e; }
.learning-closing h2 { max-width: 760px; margin: 16px 0; font-size: clamp(2.8rem, 5vw, 5.5rem); line-height: .95; letter-spacing: -.055em; }
.learning-closing p { max-width: 570px; color: #3b553e; font-size: 17px; line-height: 1.7; }
.learning-closing .button { margin-top: 18px; background: #113525; color: #f0f5eb; }
.learning-closing__questions { display: grid; gap: 10px; }
.learning-closing__questions span { padding: 18px 20px; background: rgba(244,248,237,.62); font-weight: 700; font-size: 14px; }

/* Artículo */
.article-page { background: #f4f5ef; color: #142e22; }
.article-progress { position: fixed; z-index: 30; top: 0; left: 0; width: 0; height: 3px; background: var(--lime); }
.article-hero { padding: 170px max(24px, calc((100vw - 1160px) / 2)) 80px; background: #082419; color: #f2f5ec; }
.article-breadcrumb { display: flex; gap: 9px; align-items: center; margin-bottom: 55px; color: #adc0b0; font: 500 11px var(--mono); text-transform: uppercase; }
.article-breadcrumb a { text-underline-offset: 4px; }
.article-hero h1 { max-width: 1000px; margin: 17px 0 28px; font-size: clamp(3.5rem, 7vw, 7.4rem); line-height: .91; letter-spacing: -.06em; }
.article-hero__lead { max-width: 780px; color: #c7d4c8; font-size: clamp(18px, 2vw, 22px); line-height: 1.65; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px 28px; margin-top: 42px; padding-top: 24px; border-top: 1px solid rgba(232,240,226,.16); color: #afc0b0; font: 500 11px var(--mono); }
.article-layout { display: grid; grid-template-columns: 230px minmax(0, 740px); gap: clamp(45px, 8vw, 110px); justify-content: center; padding: 80px 24px 120px; }
.article-aside { align-self: start; position: sticky; top: 110px; }
.article-aside strong { display: block; margin-bottom: 14px; color: #55705f; font: 500 10px var(--mono); letter-spacing: .1em; }
.article-aside nav { display: grid; gap: 11px; padding-left: 15px; border-left: 1px solid #c6d1c3; }
.article-aside a { color: #5d6d63; font-size: 13px; text-decoration: none; }
.article-aside a:hover { color: #2e6636; }
.article-content { min-width: 0; }
.article-answer { margin-bottom: 65px; padding: 28px 30px; border-left: 4px solid #67924b; background: #e6eddd; }
.article-answer small { color: #4e7440; font: 500 10px var(--mono); letter-spacing: .1em; }
.article-answer p { margin: 12px 0 0; color: #294333; font-size: 19px; line-height: 1.65; }
.article-content section { scroll-margin-top: 110px; margin: 0 0 66px; }
.article-content h2 { margin: 0 0 22px; font-size: clamp(2rem, 3.5vw, 3.1rem); line-height: 1.05; letter-spacing: -.045em; }
.article-content h3 { margin: 31px 0 10px; font-size: 21px; }
.article-content p,
.article-content li { color: #45594d; font-size: 17px; line-height: 1.8; }
.article-content ul,
.article-content ol { padding-left: 24px; }
.process-list { display: grid; gap: 12px; margin-top: 30px; counter-reset: process; }
.process-step { display: grid; grid-template-columns: 55px 1fr; gap: 18px; padding: 23px; border: 1px solid #cad4c7; background: #fff; }
.process-step::before { counter-increment: process; content: "0" counter(process); color: #4f7b3d; font: 500 12px var(--mono); }
.process-step h3 { margin: 0 0 8px; }
.process-step p { margin: 0; font-size: 15px; }
.article-callout { margin: 36px 0; padding: 25px 28px; background: #0c3122; color: #eef4e9; }
.article-callout strong { display: block; margin-bottom: 8px; color: var(--lime); }
.article-callout p { margin: 0; color: #c5d3c5; }
.question-list { display: grid; gap: 10px; padding: 0 !important; list-style: none; }
.question-list li { padding: 18px 20px; border: 1px solid #cad4c7; background: #fff; }
.article-summary { padding: 32px; background: #dce9cc; }
.article-summary h2 { font-size: 28px; }
.article-summary li { margin-bottom: 9px; }
.article-next { padding: 42px; background: #082419; color: #eff4ea; }
.article-next p { color: #bdcbbd; }

@media (max-width: 980px) {
  .learning-hero { grid-template-columns: 1fr; }
  .learning-map { min-height: 380px; max-width: 580px; width: 100%; margin-inline: auto; }
  .learning-paths { grid-template-columns: repeat(2, 1fr); }
  .guide-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-guide { grid-template-columns: 1fr; }
  .featured-guide__visual { min-height: 380px; }
  .article-layout { grid-template-columns: minmax(0, 740px); }
  .article-aside { display: none; }
}

@media (max-width: 780px) {
  .learn-preview { grid-template-columns: 1fr; }
  .learning-section__head,
  .learning-closing,
  .editorial-bridge { grid-template-columns: 1fr; }
  .editorial-bridge::before { width: 720px; right: -45%; opacity: .1; }
}

@media (max-width: 620px) {
  .learning-hero { min-height: auto; padding-top: 135px; }
  .learning-hero h1 { font-size: clamp(3.5rem, 18vw, 5.4rem); }
  .learning-map { min-height: 340px; transform: scale(.92); }
  .learning-map__item { font-size: 8px; }
  .learning-paths,
  .guide-grid { grid-template-columns: 1fr; }
  .learning-path { min-height: 250px; }
  .featured-guide__visual { min-height: 330px; }
  .article-hero { padding-top: 145px; }
  .article-breadcrumb { margin-bottom: 38px; }
  .article-layout { padding-top: 48px; }
  .process-step { grid-template-columns: 1fr; gap: 8px; }
  .learn-preview__feature { min-height: 370px; }
}

@media (prefers-reduced-motion: reduce) {
  .guide-card,
  .learn-preview__feature { transition: none; }
}