/* METODICAMENTE · Fundamentos
   Una página de lectura larga dentro del sistema papel, tinta, azul y rojo. */

body.page-foundations {
  --foundations-max: 1440px;
  /* La base sigue siendo papel blanco; las veladuras usan el azul canónico. */
  --foundations-paper: #fff;
  --foundations-paper-deep: #edf3f8;
  --foundations-wash: rgba(47,111,166,.045);
  --foundations-surface: rgba(255,255,255,.84);
  font-family: var(--font-sans);
}

html[data-site-theme="unified"] body.page-foundations {
  background: var(--paper) !important;
}
.page-foundations main {
  background:
    linear-gradient(180deg, var(--foundations-wash), var(--foundations-wash)),
    var(--foundations-paper) !important;
}
.foundations-shell {
  width: min(var(--foundations-max), calc(100% - clamp(48px, 6vw, 120px)));
  margin: 0 auto;
}

.foundations-hero {
  padding: clamp(72px, 7.2vw, 104px) 0 clamp(60px, 6.4vw, 88px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 93% 12%, rgba(47,111,166,.17), transparent 34%),
    radial-gradient(circle at 82% 84%, rgba(192,74,80,.055), transparent 30%),
    linear-gradient(118deg, rgba(255,255,255,.96) 0%, rgba(255,255,255,.78) 50%, rgba(47,111,166,.10) 100%),
    var(--foundations-paper);
}
.foundations-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(420px, .75fr);
  gap: clamp(52px, 6.5vw, 120px);
  align-items: start;
}
.foundations-kicker {
  margin: 0 0 18px;
  color: var(--red-deep);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  line-height: 1.4;
  text-transform: uppercase;
}
.foundations-hero h1,
.foundations-section h2,
.foundations-closing h2 {
  color: var(--ink);
  font-family: var(--display);
  font-weight: 520;
  letter-spacing: -.035em;
}
.foundations-hero h1 {
  max-width: 900px;
  margin: 0;
  font-size: clamp(56px, 7.4vw, 108px);
  line-height: .91;
}
.foundations-hero h1 em {
  color: var(--blue-deep);
  font-weight: 430;
}
.foundations-hero__lead {
  max-width: 770px;
  margin: 42px 0 0;
  color: var(--ink);
  font-family: var(--serif);
  font-size: clamp(21px, 2.15vw, 29px);
  line-height: 1.48;
}
.foundations-hero__note {
  max-width: 720px;
  margin: 25px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.7;
}
.foundations-hero__note::before {
  content: '';
  display: block;
  width: 76px;
  height: 3px;
  margin: -24px 0 21px;
  background: var(--signature);
}

.foundations-levels {
  margin-top: 8px;
  padding-left: clamp(24px, 2.8vw, 42px);
  border-top: 1px solid var(--line-strong);
  border-left: 1px solid rgba(47,111,166,.28);
  background: linear-gradient(90deg, rgba(255,255,255,.42), rgba(255,255,255,0));
}
.foundations-levels article {
  padding: 27px 4px 29px;
  border-bottom: 1px solid var(--line);
}
.foundations-levels span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .12em;
}
.foundations-levels h2 {
  margin: 8px 0 9px;
  color: var(--ink);
  font: 600 clamp(25px, 2.5vw, 33px)/1.05 var(--display);
  letter-spacing: -.025em;
}
.foundations-levels p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.62;
}

.foundations-index {
  position: sticky;
  z-index: 50;
  top: 76px;
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(16px);
}
.foundations-index__inner {
  display: flex;
  gap: 26px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.foundations-index a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  flex: 0 0 auto;
  padding: 0;
  border-bottom: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 750;
  text-decoration: none;
}
.foundations-index a:hover { border-color: var(--blue); color: var(--blue-deep); }

.foundations-section { padding: clamp(66px, 6.5vw, 96px) 0; scroll-margin-top: 128px; }
.foundations-section--soft {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(255,255,255,.76), var(--foundations-paper-deep));
}
.foundations-section__head { max-width: 940px; margin-bottom: 46px; }
.foundations-section__head--wide { max-width: 1120px; }
.foundations-section h2,
.foundations-closing h2 {
  margin: 0;
  font-size: clamp(40px, 5.2vw, 68px);
  line-height: 1.01;
}
.foundations-section__head > p:last-child {
  max-width: 920px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: clamp(18px, 1.8vw, 22px);
  line-height: 1.62;
}
.foundations-prose { max-width: 840px; }
.foundations-prose--two {
  display: grid;
  max-width: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(34px, 6vw, 80px);
}
.foundations-prose p {
  margin: 0 0 20px;
  color: var(--ink-soft);
  font-size: 16px;
  line-height: 1.78;
}
.foundations-prose strong { color: var(--ink); }

.foundations-nearest {
  margin-top: clamp(46px, 5vw, 72px);
  padding: clamp(30px, 4vw, 58px);
  scroll-margin-top: 128px;
  border: 1px solid var(--line-strong);
  background:
    linear-gradient(135deg, rgba(220,234,245,.72), rgba(255,255,255,.94) 48%, rgba(255,255,255,1));
  box-shadow: var(--shadow-soft);
}
.foundations-nearest__head { max-width: 1080px; }
.foundations-nearest__head h3 {
  max-width: 980px;
  margin: 0;
  color: var(--ink);
  font: 560 clamp(31px, 3.5vw, 48px)/1.08 var(--display);
  letter-spacing: -.03em;
}
.foundations-nearest__head > p:last-child {
  max-width: 920px;
  margin: 22px 0 0;
  color: var(--ink-soft);
  font-family: var(--serif);
  font-size: 18px;
  line-height: 1.65;
}
.foundations-nearest__references {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 38px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line-strong);
}
.foundations-nearest__references article { padding: 30px 30px 32px 0; }
.foundations-nearest__references article + article {
  padding-right: 0;
  padding-left: 30px;
  border-left: 1px solid var(--line);
}
.foundations-nearest__references span {
  color: var(--red-deep);
  font-size: 10px;
  font-weight: 800;
  letter-spacing: .15em;
}
.foundations-nearest__references h4 {
  margin: 10px 0 12px;
  color: var(--ink);
  font: 600 clamp(23px, 2.3vw, 31px)/1.12 var(--display);
}
.foundations-nearest__references p,
.foundations-nearest__synthesis p,
.foundations-nearest__commitments p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.72;
}
.foundations-nearest__synthesis {
  max-width: 1080px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line-strong);
}
.foundations-nearest__synthesis p { font-family: var(--serif); font-size: 18px; }
.foundations-nearest__synthesis p + p { margin-top: 13px; }
.foundations-nearest__synthesis strong { color: var(--blue-deep); }
.foundations-nearest__commitments {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 28px;
}
.foundations-nearest__commitments article {
  min-width: 0;
  padding: 25px 0 4px;
  border-top: 1px solid var(--line);
}
.foundations-nearest__commitments article:nth-child(-n + 3) { border-top: 0; }
.foundations-nearest__commitments strong {
  display: block;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.4;
}
.foundations-nearest__commitments p { font-size: 12px; line-height: 1.62; }
.foundations-clarification {
  display: grid;
  max-width: none;
  grid-template-columns: minmax(220px, .38fr) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 64px);
  row-gap: 14px;
  margin-top: 48px;
  padding: clamp(28px, 3vw, 38px);
  border: 1px solid var(--line);
  background: var(--foundations-surface);
  box-shadow: var(--shadow-soft);
}
.foundations-clarification strong {
  display: block;
  grid-column: 1;
  margin: 0;
  color: var(--blue-deep);
  font-family: var(--display);
  font-size: clamp(23px, 2vw, 29px);
  font-weight: 600;
}
.foundations-clarification p { grid-column: 2; max-width: 960px; margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }

.foundations-sequence-note {
  max-width: 920px;
  margin: 46px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}
.foundations-sequence {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  margin: 25px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}
.foundations-sequence li {
  min-width: 0;
  padding: 20px 19px 24px 0;
  border-bottom: 1px solid var(--line);
}
.foundations-sequence li + li { padding-left: 19px; border-left: 1px solid var(--line); }
.foundations-sequence span { display: block; margin-bottom: 18px; color: var(--red-deep); font: 700 15px/1 var(--display); }
.foundations-sequence strong { display: block; color: var(--ink); font-size: 14px; }
.foundations-sequence p { margin: 8px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.foundations-object-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 clamp(36px, 6vw, 80px);
  margin-top: 62px;
}
.foundations-object-grid article { padding: 26px 0; border-top: 1px solid var(--line); }
.foundations-object-grid h3 { margin: 0 0 8px; color: var(--ink); font: 600 25px/1.15 var(--display); }
.foundations-object-grid p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.7; }

.epistemic-list { border-top: 1px solid var(--line-strong); }
.epistemic-field {
  display: grid;
  grid-template-columns: minmax(290px, .86fr) minmax(280px, .78fr) minmax(480px, 1.62fr);
  gap: clamp(28px, 5vw, 70px);
  padding: 48px 0;
  border-bottom: 1px solid var(--line);
}
.epistemic-field header { display: flex; gap: 20px; align-items: flex-start; }
.epistemic-field header > span { color: var(--red-deep); font: 700 19px/1 var(--display); }
.epistemic-field header p { margin: 0 0 8px; color: var(--blue-deep); font-size: 11px; font-weight: 800; letter-spacing: .14em; }
.epistemic-field h3 { margin: 0; color: var(--ink); font: 600 clamp(27px, 3vw, 38px)/1.04 var(--display); letter-spacing: -.025em; }
.epistemic-field__thesis { margin: 0; color: var(--ink-soft); font-family: var(--serif); font-size: 18px; line-height: 1.6; }
.epistemic-field dl { margin: 0; }
.epistemic-field dl > div { display: grid; grid-template-columns: 130px 1fr; gap: 14px; padding: 11px 0; border-top: 1px solid var(--line); }
.epistemic-field dt { color: var(--ink); font-size: 11px; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.epistemic-field dd { margin: 0; color: var(--ink-soft); font-size: 12px; line-height: 1.55; }
.epistemic-expansion {
  grid-column: 1 / -1;
  margin-top: 4px;
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}
.epistemic-expansion > summary {
  padding: 18px 28px 18px 0;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
  cursor: pointer;
}
.epistemic-expansion[open] > summary { border-bottom: 1px solid var(--line); }
.epistemic-expansion > dl { padding-bottom: 8px; }
.epistemic-expansion > dl > div:first-child { border-top: 0; }

.foundations-section--ink { background: var(--ink); color: #fff; }
.foundations-section--ink .foundations-kicker { color: #efb9bc; }
.foundations-section--ink h2 { color: #fff; }
.foundations-section--ink .foundations-section__head > p:last-child { color: #cbd6e2; }
.constellation { margin-top: 58px; border-top: 1px solid rgba(255,255,255,.2); }
.constellation > article {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 34px;
  padding: 42px 0;
  border-bottom: 1px solid rgba(255,255,255,.16);
}
.constellation__number { color: #efb9bc; font: italic 500 38px/1 var(--display); }
.constellation h3 { max-width: 980px; margin: 0 0 15px; color: #fff; font: 550 clamp(29px, 3.6vw, 43px)/1.05 var(--display); }
.constellation p { max-width: 980px; margin: 0 0 13px; color: #cbd6e2; font-size: 15px; line-height: 1.75; }
.constellation p strong { color: #fff; }
.constellation__tension { margin-top: 20px !important; color: #fff !important; }
.constellation__tension b { color: #9dc6e8; }

.distinctions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0 34px;
  border-top: 1px solid var(--line-strong);
}
.distinctions article { min-height: 190px; padding: 28px 0; border-bottom: 1px solid var(--line); }
.distinctions h3 { margin: 0 0 12px; color: var(--ink); font: 600 26px/1.1 var(--display); }
.distinctions p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.67; }

.technology-grid,
.responsibility-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(330px, .62fr);
  gap: clamp(50px, 8vw, 112px);
  align-items: start;
}
.technology-criteria {
  padding: 30px;
  border: 1px solid var(--line-strong);
  background: var(--foundations-surface);
  box-shadow: var(--shadow-soft);
}
.technology-criteria > p { margin: 0 0 22px; color: var(--red-deep); font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.technology-criteria ol { margin: 0; padding: 0; list-style: none; }
.technology-criteria li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding: 12px 0; border-top: 1px solid var(--line); color: var(--ink-soft); font-size: 13px; line-height: 1.5; }
.technology-criteria li span { color: var(--blue-deep); font: 700 17px/1.3 var(--display); }

.responsibility-grid .foundations-section__head { margin: 0; }
.responsibility-grid .foundations-prose { max-width: none; }
.responsibility-grid .btn-o { margin-top: 13px; }

.foundations-section--closing { padding-bottom: 78px; }
.foundations-closing {
  position: relative;
  padding: clamp(42px, 6vw, 74px);
  border: 1px solid var(--line-strong);
  background: var(--foundations-surface);
  box-shadow: var(--shadow-soft);
}
.foundations-closing::before {
  content: '';
  position: absolute;
  top: -2px;
  left: clamp(42px, 6vw, 74px);
  width: 76px;
  height: 3px;
  background: var(--signature);
}
.foundations-closing h2 { max-width: 1040px; }
.foundations-closing > p:not(.foundations-kicker) { max-width: 920px; margin: 25px 0 0; color: var(--ink-soft); font-family: var(--serif); font-size: 19px; line-height: 1.66; }
.foundations-actions { display: flex; flex-wrap: wrap; gap: 22px; align-items: center; margin-top: 32px; }
.foundations-text-link { color: var(--blue-deep); font-size: 13px; font-weight: 750; }

.foundations-references { padding: 0 0 76px; }
.foundations-references details { border-top: 1px solid var(--line-strong); border-bottom: 1px solid var(--line); }
.foundations-references summary { padding: 24px 0; color: var(--ink); font: 600 23px/1.2 var(--display); cursor: pointer; }
.foundations-references details > p { max-width: 900px; margin: 0 0 20px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.foundations-references ul { max-width: 1080px; margin: 0 0 30px; padding-left: 20px; }
.foundations-references li { margin: 8px 0; color: var(--ink-soft); font-size: 13px; line-height: 1.55; }

/* Pie compartido: se declaran las bases porque esta página no hereda estilos
   inline de otras plantillas históricas. */
.page-foundations .foot-otros-t {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
}
.page-foundations .foot-otros-links { display: flex; flex-wrap: wrap; gap: 7px 0; }
.page-foundations .foot-otros-links a {
  padding: 5px 14px;
  border-left: 1px solid var(--line);
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
}
.page-foundations .foot-otros-links a:first-child { padding-left: 0; border-left: 0; }
.page-foundations .foot-legal { font-size: 13px; line-height: 1.9; }
.page-foundations .foot-legal a { text-decoration: none; }

@media (max-width: 1260px) {
  .epistemic-field { grid-template-columns: minmax(230px, .8fr) 1.4fr; }
  .epistemic-field dl { grid-column: 1 / -1; }
}

@media (max-width: 1050px) {
  .foundations-hero__grid,
  .technology-grid,
  .responsibility-grid { grid-template-columns: 1fr; }
  .foundations-levels { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foundations-levels article { padding-right: 20px; }
  .foundations-levels article + article { padding-left: 20px; border-left: 1px solid var(--line); }
  .foundations-sequence { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .foundations-nearest__commitments { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foundations-nearest__commitments article:nth-child(3) { border-top: 1px solid var(--line); }
  .foundations-sequence li:nth-child(4) { padding-left: 0; border-left: 0; }
  .distinctions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 860px) {
  .foundations-index { top: 66px; }
}

@media (max-width: 720px) {
  .foundations-shell { width: min(100% - 36px, var(--foundations-max)); }
  .foundations-hero { padding-top: 58px; }
  .foundations-hero h1 { font-size: clamp(48px, 15vw, 68px); }
  .foundations-hero__lead { margin-top: 30px; }
  .foundations-levels { display: block; }
  .foundations-levels article + article { padding-left: 4px; border-left: 0; }
  .foundations-index { top: 66px; }
  .foundations-index__inner { width: 100%; padding: 0 18px; }
  .foundations-prose--two,
  .foundations-object-grid,
  .epistemic-field,
  .distinctions { grid-template-columns: 1fr; }
  .foundations-nearest__references,
  .foundations-nearest__commitments { grid-template-columns: 1fr; }
  .foundations-nearest__references article,
  .foundations-nearest__references article + article { padding: 25px 0; border-left: 0; }
  .foundations-nearest__references article + article { border-top: 1px solid var(--line); }
  .foundations-nearest__commitments article:nth-child(2),
  .foundations-nearest__commitments article:nth-child(3) { border-top: 1px solid var(--line); }
  .foundations-sequence { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foundations-sequence li:nth-child(3),
  .foundations-sequence li:nth-child(5) { padding-left: 0; border-left: 0; }
  .foundations-sequence li:nth-child(4) { padding-left: 19px; border-left: 1px solid var(--line); }
  .epistemic-field { gap: 24px; padding: 38px 0; }
  .epistemic-field dl { grid-column: auto; }
  .epistemic-field dl > div { grid-template-columns: 1fr; gap: 5px; }
  .constellation > article { grid-template-columns: 42px 1fr; gap: 15px; }
  .foundations-clarification,
  .technology-criteria { padding: 22px; }
  .foundations-clarification { display: block; }
  .foundations-clarification strong { margin-bottom: 10px; }
  .foundations-clarification p { max-width: none; }
  .distinctions article { min-height: 0; }
  .foundations-closing { padding: 38px 24px; }
  .foundations-closing::before { left: 24px; }
}

@media (max-width: 440px) {
  .foundations-sequence { grid-template-columns: 1fr; }
  .foundations-sequence li,
  .foundations-sequence li + li,
  .foundations-sequence li:nth-child(4) { padding-left: 0; border-left: 0; }
  .constellation > article { grid-template-columns: 1fr; }
  .constellation__number { font-size: 28px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-foundations * { scroll-behavior: auto !important; }
}