/*
 * IDB Editorial System 1.0
 * Shared visual foundation for future internal pages.
 */

@layer reset, tokens, base, layout, components, utilities;

@layer tokens {
  :root {
    color-scheme: light;
    --idb-font-sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --idb-font-reading: ui-serif, Georgia, Cambria, "Times New Roman", serif;

    --idb-ink-950: #102a26;
    --idb-ink-800: #24413c;
    --idb-ink-650: #4b625d;
    --idb-ink-500: #687c77;
    --idb-green-800: #126451;
    --idb-green-700: #17765f;
    --idb-green-600: #1f8f73;
    --idb-green-100: #e6f4ef;
    --idb-green-50: #f3faf7;
    --idb-blue-700: #18658f;
    --idb-blue-100: #e7f2f8;
    --idb-amber-700: #8a5a0a;
    --idb-amber-100: #fff3d6;
    --idb-red-700: #a43a38;
    --idb-red-100: #fcebea;
    --idb-white: #fff;
    --idb-canvas: #fbfdfc;
    --idb-line: #dce7e3;
    --idb-line-strong: #c7d8d2;

    --idb-step--1: clamp(.8125rem, .79rem + .1vw, .875rem);
    --idb-step-0: clamp(1rem, .97rem + .14vw, 1.0625rem);
    --idb-step-1: clamp(1.125rem, 1.07rem + .27vw, 1.25rem);
    --idb-step-2: clamp(1.375rem, 1.25rem + .61vw, 1.75rem);
    --idb-step-3: clamp(1.75rem, 1.51rem + 1.2vw, 2.5rem);
    --idb-step-4: clamp(2.25rem, 1.81rem + 2.2vw, 3.625rem);
    --idb-step-5: clamp(2.75rem, 2rem + 3.75vw, 5rem);

    --idb-space-1: .25rem;
    --idb-space-2: .5rem;
    --idb-space-3: .75rem;
    --idb-space-4: 1rem;
    --idb-space-5: 1.5rem;
    --idb-space-6: 2rem;
    --idb-space-7: 3rem;
    --idb-space-8: clamp(4rem, 7vw, 7rem);
    --idb-gutter: clamp(1.25rem, 4vw, 3rem);
    --idb-shell: 75rem;
    --idb-reading: 45rem;
    --idb-radius-sm: .625rem;
    --idb-radius-md: 1rem;
    --idb-radius-lg: 1.5rem;
    --idb-shadow: 0 1rem 3rem rgb(16 42 38 / .08);
    --idb-header-height: 4.75rem;
  }
}

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  html { scroll-behavior: smooth; text-size-adjust: 100%; }
  body, h1, h2, h3, h4, h5, h6, p, figure, blockquote, dl, dd { margin: 0; }
  ul[role="list"], ol[role="list"] { margin: 0; padding: 0; list-style: none; }
  img, picture, svg { display: block; max-inline-size: 100%; }
  input, button, textarea, select { font: inherit; }
}

@layer base {
  body {
    min-block-size: 100vh;
    overflow-x: clip;
    color: var(--idb-ink-950);
    background: var(--idb-white);
    font-family: var(--idb-font-sans);
    font-size: var(--idb-step-0);
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
  }
  :focus-visible { outline: 3px solid var(--idb-blue-700); outline-offset: 3px; }
  ::selection { color: var(--idb-ink-950); background: #ccebe1; }
  a { color: var(--idb-green-700); text-underline-offset: .2em; text-decoration-thickness: .08em; }
  a:hover { color: var(--idb-green-800); }
  h1, h2, h3, h4, h5, h6 { color: var(--idb-ink-950); font-weight: 720; text-wrap: balance; }
  h1 { font-size: var(--idb-step-5); line-height: .98; letter-spacing: -.045em; }
  h2 { font-size: var(--idb-step-4); line-height: 1.05; letter-spacing: -.035em; }
  h3 { font-size: var(--idb-step-3); line-height: 1.15; letter-spacing: -.02em; }
  h4 { font-size: var(--idb-step-2); line-height: 1.25; }
  h5 { font-size: var(--idb-step-1); line-height: 1.35; }
  h6 { font-size: var(--idb-step-0); line-height: 1.4; text-transform: uppercase; letter-spacing: .06em; }
  section[id] { scroll-margin-top: calc(var(--idb-header-height) + 1rem); }
  @media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
  }
}

@layer layout {
  .idb-shell { inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); margin-inline: auto; }
  .idb-reading { inline-size: min(100%, var(--idb-reading)); }
  .idb-reading--center { margin-inline: auto; }
  .idb-section { padding-block: var(--idb-space-8); }
  .idb-section--soft { background: var(--idb-canvas); }
  .idb-section__head { display: grid; gap: var(--idb-space-4); max-inline-size: 48rem; margin-block-end: var(--idb-space-7); }
  .idb-grid { display: grid; gap: var(--idb-space-5); }
  .idb-grid--2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idb-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .idb-article-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(15rem, 19rem); gap: clamp(2rem, 6vw, 6rem); align-items: start; }
  .idb-prose { min-inline-size: 0; max-inline-size: var(--idb-reading); }
  .idb-prose > * + * { margin-block-start: var(--idb-space-5); }
  .idb-prose > h2 { margin-block-start: var(--idb-space-8); }
  .idb-prose > h3 { margin-block-start: var(--idb-space-7); }
  .idb-prose > h4 { margin-block-start: var(--idb-space-6); }
  .idb-prose p, .idb-prose li { max-inline-size: 70ch; }
  .idb-prose > p:first-of-type { color: var(--idb-ink-800); font-size: var(--idb-step-1); line-height: 1.65; }
  .idb-prose ul, .idb-prose ol { display: grid; gap: var(--idb-space-3); padding-inline-start: 1.4em; }
  .idb-prose li::marker { color: var(--idb-green-600); font-weight: 700; }
}

@layer components {
  .idb-skip-link { position: fixed; inset-block-start: 1rem; inset-inline-start: 1rem; z-index: 100; padding: .7rem 1rem; border-radius: var(--idb-radius-sm); color: var(--idb-white); background: var(--idb-ink-950); transform: translateY(-180%); }
  .idb-skip-link:focus { transform: translateY(0); }

  .idb-header { position: sticky; inset-block-start: 0; z-index: 50; min-block-size: var(--idb-header-height); border-block-end: 1px solid rgb(220 231 227 / .8); background: rgb(255 255 255 / .92); backdrop-filter: blur(1rem); }
  .idb-header__inner { min-block-size: var(--idb-header-height); display: flex; align-items: center; gap: var(--idb-space-6); }
  .idb-brand { flex: 0 0 auto; border-radius: .25rem; }
  .idb-brand img { inline-size: 7rem; block-size: auto; aspect-ratio: 291 / 96; object-fit: contain; }
  .idb-nav { margin-inline-start: auto; }
  .idb-nav__list { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); }
  .idb-nav a { color: var(--idb-ink-800); font-size: var(--idb-step--1); font-weight: 650; text-decoration: none; }
  .idb-nav a:hover, .idb-nav a[aria-current="page"] { color: var(--idb-green-700); }
  .idb-nav__mobile { display: none; margin-inline-start: auto; }
  .idb-nav__mobile summary { inline-size: 2.75rem; block-size: 2.75rem; display: grid; place-items: center; border: 1px solid var(--idb-line); border-radius: 50%; cursor: pointer; list-style: none; }
  .idb-nav__mobile summary::-webkit-details-marker { display: none; }
  .idb-nav__mobile summary::before { content: ""; inline-size: 1.15rem; block-size: .8rem; background: linear-gradient(var(--idb-ink-950) 0 0) top/100% 2px, linear-gradient(var(--idb-ink-950) 0 0) center/100% 2px, linear-gradient(var(--idb-ink-950) 0 0) bottom/100% 2px; background-repeat: no-repeat; }
  .idb-nav__mobile ul { position: absolute; inset: var(--idb-header-height) 0 auto; display: grid; margin: 0; padding: 1rem var(--idb-gutter) 1.5rem; border-block-end: 1px solid var(--idb-line); background: var(--idb-white); list-style: none; box-shadow: var(--idb-shadow); }
  .idb-nav__mobile a { display: block; padding-block: .75rem; color: var(--idb-ink-950); font-weight: 650; text-decoration: none; }

  .idb-breadcrumb { padding-block: 1.125rem; border-block-end: 1px solid var(--idb-line); }
  .idb-breadcrumb ol { display: flex; flex-wrap: wrap; gap: .35rem .65rem; margin: 0; padding: 0; list-style: none; color: var(--idb-ink-500); font-size: var(--idb-step--1); }
  .idb-breadcrumb li + li::before { content: "/"; margin-inline-end: .65rem; color: var(--idb-line-strong); }
  .idb-breadcrumb a { color: inherit; }

  .idb-hero { position: relative; overflow: hidden; padding-block: clamp(4.5rem, 10vw, 8.5rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 58%, var(--idb-blue-100)); }
  .idb-hero::after { content: ""; position: absolute; inset: auto -10rem -20rem auto; inline-size: 34rem; aspect-ratio: 1; border: 1px solid rgb(31 143 115 / .16); border-radius: 50%; box-shadow: 0 0 0 4rem rgb(31 143 115 / .035), 0 0 0 8rem rgb(31 143 115 / .025); pointer-events: none; }
  .idb-hero__copy { position: relative; z-index: 1; max-inline-size: 57rem; }
  .idb-eyebrow { margin-block-end: var(--idb-space-4); color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; letter-spacing: .12em; text-transform: uppercase; }
  .idb-hero__lead { max-inline-size: 44rem; margin-block-start: var(--idb-space-5); color: var(--idb-ink-650); font-size: var(--idb-step-1); line-height: 1.6; text-wrap: pretty; }
  .idb-meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-block-start: var(--idb-space-6); color: var(--idb-ink-500); font-size: var(--idb-step--1); }
  .idb-meta span + span::before { content: "·"; margin-inline-end: 1.25rem; }

  .idb-card { min-inline-size: 0; overflow: hidden; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .idb-card--interactive { transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease; }
  .idb-card--interactive:hover { border-color: var(--idb-line-strong); box-shadow: var(--idb-shadow); transform: translateY(-3px); }
  .idb-card__media { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; background: var(--idb-green-50); }
  .idb-card__body { display: grid; gap: var(--idb-space-3); padding: clamp(1.25rem, 3vw, 2rem); }
  .idb-card__body p { color: var(--idb-ink-650); }
  .idb-card__link { color: var(--idb-ink-950); text-decoration: none; }
  .idb-card__link::after { content: " →"; color: var(--idb-green-700); }

  .idb-callout { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--idb-space-4); padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-inline-start: .3rem solid var(--idb-green-600); border-radius: var(--idb-radius-md); background: var(--idb-green-50); }
  .idb-callout--clinical { border-inline-start-color: var(--idb-blue-700); background: var(--idb-blue-100); }
  .idb-callout--warning { border-inline-start-color: var(--idb-red-700); background: var(--idb-red-100); }
  .idb-callout__icon { inline-size: 1.5rem; block-size: 1.5rem; color: var(--idb-green-700); }
  .idb-callout__content { display: grid; gap: var(--idb-space-2); }
  .idb-callout__content p { color: var(--idb-ink-800); }

  .idb-button { display: inline-flex; min-block-size: 3rem; align-items: center; justify-content: center; gap: .5rem; padding: .65rem 1.2rem; border: 1px solid transparent; border-radius: 999px; color: var(--idb-white); background: var(--idb-green-700); font-weight: 720; line-height: 1.2; text-align: center; text-decoration: none; transition: background 180ms ease, transform 180ms ease; }
  .idb-button:hover { color: var(--idb-white); background: var(--idb-green-800); transform: translateY(-1px); }
  .idb-button--secondary { border-color: var(--idb-line-strong); color: var(--idb-ink-950); background: var(--idb-white); }
  .idb-button--secondary:hover { color: var(--idb-green-800); background: var(--idb-green-50); }
  .idb-actions { display: flex; flex-wrap: wrap; gap: var(--idb-space-3); }

  .idb-toc { position: sticky; inset-block-start: calc(var(--idb-header-height) + 2rem); padding-inline-start: var(--idb-space-5); border-inline-start: 1px solid var(--idb-line); }
  .idb-toc h2 { margin-block-end: var(--idb-space-4); font-size: var(--idb-step--1); letter-spacing: .08em; text-transform: uppercase; }
  .idb-toc ol { display: grid; gap: .7rem; margin: 0; padding: 0; list-style: none; }
  .idb-toc a { color: var(--idb-ink-650); font-size: var(--idb-step--1); text-decoration: none; }
  .idb-toc a:hover { color: var(--idb-green-700); }

  .idb-table-wrap { overflow-x: auto; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); }
  .idb-table { inline-size: 100%; min-inline-size: 38rem; border-collapse: collapse; text-align: start; }
  .idb-table th, .idb-table td { padding: .9rem 1rem; border-block-end: 1px solid var(--idb-line); text-align: start; vertical-align: top; }
  .idb-table th { color: var(--idb-ink-800); background: var(--idb-green-50); font-size: var(--idb-step--1); }
  .idb-table tr:last-child td { border-block-end: 0; }

  .idb-figure { margin-block: var(--idb-space-7); }
  .idb-figure img { inline-size: 100%; aspect-ratio: 16 / 9; border-radius: var(--idb-radius-md); object-fit: cover; background: var(--idb-green-50); }
  .idb-figure figcaption { margin-block-start: var(--idb-space-3); color: var(--idb-ink-500); font-size: var(--idb-step--1); }

  .idb-vita { position: relative; overflow: hidden; padding: clamp(2rem, 5vw, 4.5rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: linear-gradient(125deg, #0f574a, #167e6c 58%, #18658f); }
  .idb-vita > * { position: relative; z-index: 1; }
  .idb-vita h2, .idb-vita p { color: inherit; }
  .idb-vita p { max-inline-size: 43rem; margin-block: var(--idb-space-4) var(--idb-space-6); color: rgb(255 255 255 / .82); }
  .idb-vita .idb-button { color: var(--idb-green-800); background: var(--idb-white); }

  .idb-sources { padding-block-start: var(--idb-space-6); border-block-start: 1px solid var(--idb-line); }
  .idb-sources ol { display: grid; gap: var(--idb-space-4); padding-inline-start: 1.25rem; color: var(--idb-ink-650); font-size: var(--idb-step--1); overflow-wrap: anywhere; }

  .idb-footer { padding-block: var(--idb-space-7); border-block-start: 1px solid var(--idb-line); color: var(--idb-ink-650); background: var(--idb-canvas); font-size: var(--idb-step--1); }
  .idb-footer__grid { display: grid; grid-template-columns: 1.5fr repeat(3, 1fr); gap: var(--idb-space-7); }
  .idb-footer h2 { margin-block-end: var(--idb-space-3); font-size: var(--idb-step--1); letter-spacing: .06em; text-transform: uppercase; }
  .idb-footer ul { display: grid; gap: .55rem; margin: 0; padding: 0; list-style: none; }
  .idb-footer a { color: inherit; }
  .idb-footer__legal { margin-block-start: var(--idb-space-7); padding-block-start: var(--idb-space-5); border-block-start: 1px solid var(--idb-line); }
}

@layer utilities {
  .idb-sr-only { position: absolute !important; inline-size: 1px !important; block-size: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
  .idb-muted { color: var(--idb-ink-650); }
  .idb-flow > * + * { margin-block-start: var(--idb-space-5); }
}

@media (max-width: 56rem) {
  .idb-nav { display: none; }
  .idb-nav__mobile { display: block; }
  .idb-article-layout { grid-template-columns: 1fr; }
  .idb-toc { position: static; grid-row: 1; padding: var(--idb-space-5); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); }
  .idb-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idb-footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 38rem) {
  :root { --idb-header-height: 4.25rem; }
  .idb-brand img { inline-size: 6rem; }
  .idb-grid--2, .idb-grid--3, .idb-footer__grid { grid-template-columns: 1fr; }
  .idb-callout { grid-template-columns: 1fr; }
  .idb-actions { align-items: stretch; flex-direction: column; }
  .idb-button { inline-size: 100%; }
  .idb-meta { display: grid; gap: .25rem; }
  .idb-meta span + span::before { content: none; }
}

/* Official global chrome ----------------------------------------------------
 * Intentionally unlayered: it overrides legacy page-local header/footer CSS
 * until all legacy styles are removed in the integral correction task.
 */
.idb-official-chrome .site-header {
  position: sticky;
  inset-block-start: 0;
  z-index: 100;
  min-block-size: var(--idb-header-height);
  block-size: var(--idb-header-height);
  box-sizing: border-box;
  border-block-end: 1px solid rgb(220 231 227 / .82);
  color: var(--idb-ink-950);
  background: rgb(255 255 255 / .95);
  box-shadow: none;
  backdrop-filter: blur(1rem);
}
.idb-official-chrome .header-inner {
  inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell));
  min-block-size: var(--idb-header-height);
  block-size: var(--idb-header-height);
  margin-inline: auto;
  padding: 0;
  display: flex;
  grid-template-columns: none;
  align-items: center;
  gap: clamp(1.25rem, 3vw, 2.5rem);
}
.idb-official-chrome .brand {
  min-inline-size: 0;
  display: inline-flex;
  flex: 0 1 auto;
  align-items: center;
  gap: clamp(.65rem, 1.4vw, 1rem);
  color: var(--idb-ink-950);
  text-decoration: none;
}
.idb-official-chrome .brand-logo {
  inline-size: 7rem;
  block-size: 3.5rem;
  flex: 0 0 auto;
  object-fit: contain;
}
.idb-official-chrome .brand-title {
  color: var(--idb-ink-950);
  font-family: var(--idb-font-sans);
  font-size: clamp(1.125rem, 1.03rem + .35vw, 1.35rem);
  font-weight: 760;
  line-height: 1.08;
  letter-spacing: -.025em;
  white-space: nowrap;
}
.idb-official-chrome .nav {
  position: static;
  display: flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(1.25rem, 2.6vw, 2.25rem);
  margin-inline-start: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}
.idb-official-chrome .nav a,
.idb-official-chrome .nav .nav-cta {
  position: relative;
  min-block-size: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding: 0;
  border: 0;
  border-radius: 0;
  color: var(--idb-ink-800);
  background: transparent;
  font-family: var(--idb-font-sans);
  font-size: var(--idb-step--1);
  font-weight: 680;
  text-decoration: none;
}
.idb-official-chrome .nav a::after {
  content: "";
  position: absolute;
  inset: auto 0 .25rem;
  block-size: 2px;
  border-radius: 2px;
  background: var(--idb-green-700);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 180ms ease;
}
.idb-official-chrome .nav a:hover,
.idb-official-chrome .nav a[aria-current="page"] { color: var(--idb-green-700); }
.idb-official-chrome .nav a:hover::after,
.idb-official-chrome .nav a[aria-current="page"]::after { transform: scaleX(1); }
.idb-official-chrome .menu-toggle {
  inline-size: 2.75rem;
  block-size: 2.75rem;
  flex: 0 0 auto;
  margin-inline-start: auto;
  padding: .68rem;
  border: 1px solid var(--idb-line-strong);
  border-radius: 50%;
  color: var(--idb-ink-950);
  background: var(--idb-white);
  cursor: pointer;
}
.idb-official-chrome .menu-toggle span {
  display: block;
  inline-size: 100%;
  block-size: 2px;
  margin-block: 4px;
  border-radius: 2px;
  background: currentColor;
}
.idb-official-chrome .site-footer {
  position: relative;
  padding: 0;
  padding-block-start: clamp(2.75rem, 4vw, 4rem);
  border-block-start: 1px solid var(--idb-line);
  color: var(--idb-ink-650);
  background:
    linear-gradient(135deg, rgb(243 250 247 / .96), rgb(251 253 252 / .98) 52%, rgb(239 247 244 / .94));
  font-family: var(--idb-font-sans);
  font-size: var(--idb-step--1);
}
.idb-official-chrome .site-footer::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  block-size: 3px;
  background: linear-gradient(90deg, var(--idb-green-700), #28a791 48%, #4d9bc1);
}
.idb-official-chrome .footer-main {
  inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell));
  margin-inline: auto;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(18rem, 1.4fr) repeat(3, minmax(8rem, .6fr));
  gap: clamp(2rem, 4vw, 3.5rem);
  align-items: start;
}
.idb-official-chrome .footer-brand {
  max-inline-size: 27rem;
  display: grid;
  gap: .9rem;
  padding-inline-end: clamp(1rem, 3vw, 3rem);
  border-inline-end: 1px solid var(--idb-line);
}
.idb-official-chrome .footer-brand img {
  inline-size: 8rem;
  block-size: 4rem;
  margin: 0;
  object-fit: contain;
}
.idb-official-chrome .footer-brand p {
  max-inline-size: 36ch;
  margin: 0;
  color: var(--idb-ink-650);
  font-size: var(--idb-step--1);
  line-height: 1.65;
}
.idb-official-chrome .footer-col {
  display: grid;
  align-content: start;
  gap: .35rem;
}
.idb-official-chrome .footer-col h2 {
  margin: 0 0 .65rem;
  color: var(--idb-ink-950);
  font-size: .78rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: .11em;
  text-transform: uppercase;
}
.idb-official-chrome .footer-col a {
  position: relative;
  min-block-size: 2.15rem;
  display: inline-flex;
  align-items: center;
  inline-size: fit-content;
  color: var(--idb-ink-650);
  text-decoration: none;
  transition: color 160ms ease, transform 160ms ease;
}
.idb-official-chrome .footer-col a:hover {
  color: var(--idb-green-700);
  transform: translateX(3px);
}
.idb-official-chrome .footer-bottom {
  margin-block-start: clamp(2rem, 3.5vw, 3rem);
  padding: 0;
  padding-block: 1.15rem;
  border-block-start: 1px solid var(--idb-line);
  background: rgb(255 255 255 / .5);
}
.idb-official-chrome .footer-bottom-inner {
  inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell));
  margin-inline: auto;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: var(--idb-ink-650);
}
.idb-official-chrome .footer-bottom p { margin: 0; color: inherit; }
.idb-official-chrome .footer-bottom p:last-child { text-align: end; }

@media (min-width: 56.001rem) {
  .idb-official-chrome .menu-toggle { display: none; }
}

@media (max-width: 56rem) {
  .idb-official-chrome .header-inner { gap: .85rem; }
  .idb-official-chrome .brand-logo { inline-size: 5.25rem; block-size: 2.75rem; }
  .idb-official-chrome .brand-title { font-size: clamp(1.05rem, 3.6vw, 1.22rem); }
  .idb-official-chrome .menu-toggle { display: block; }
  .idb-official-chrome .nav {
    position: absolute;
    inset: calc(var(--idb-header-height) + .5rem) var(--idb-gutter) auto auto;
    display: none;
    inline-size: min(11.5rem, calc(100vw - (2 * var(--idb-gutter))));
    justify-content: stretch;
    padding: .5rem;
    border: 1px solid var(--idb-line);
    border-radius: var(--idb-radius-md);
    background: rgb(255 255 255 / .98);
    box-shadow: var(--idb-shadow);
  }
  .idb-official-chrome .nav.active { display: grid; gap: .15rem; }
  .idb-official-chrome .nav a,
  .idb-official-chrome .nav .nav-cta {
    min-block-size: 2.85rem;
    padding-inline: .7rem;
    border-radius: .65rem;
  }
  .idb-official-chrome .nav a:hover { background: var(--idb-green-50); }
  .idb-official-chrome .nav a::after {
    inset: auto .7rem .25rem;
  }
  .idb-official-chrome .footer-main { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .idb-official-chrome .footer-brand {
    grid-column: 1 / -1;
    max-inline-size: none;
    padding: 0 0 1.75rem;
    border-inline-end: 0;
    border-block-end: 1px solid var(--idb-line);
  }
}

@media (max-width: 38rem) {
  .idb-official-chrome .header-inner { min-block-size: var(--idb-header-height); }
  .idb-official-chrome .brand { gap: .55rem; }
  .idb-official-chrome .brand-logo { inline-size: 5rem; block-size: 2.65rem; }
  .idb-official-chrome .brand-title { font-size: 1.05rem; }
  .idb-official-chrome .site-footer { padding-block-start: 2.25rem; }
  .idb-official-chrome .footer-main {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    gap: 1.75rem 1.25rem;
  }
  .idb-official-chrome .footer-brand {
    display: grid;
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: center;
    gap: 1rem;
    padding-block-end: 1.5rem;
  }
  .idb-official-chrome .footer-brand img {
    inline-size: 6.5rem;
    block-size: 3.5rem;
  }
  .idb-official-chrome .footer-brand p {
    max-inline-size: none;
    font-size: .82rem;
    line-height: 1.5;
  }
  .idb-official-chrome .footer-col:last-child {
    grid-column: auto;
    padding-block-start: 0;
    border-block-start: 0;
  }
  .idb-official-chrome .footer-col h2 { margin-block-end: .35rem; }
  .idb-official-chrome .footer-col a { min-block-size: 2rem; }
  .idb-official-chrome .footer-bottom { margin-block-start: 1.75rem; }
  .idb-official-chrome .footer-bottom-inner {
    align-items: flex-start;
    flex-direction: column;
    gap: .85rem;
  }
  .idb-official-chrome .footer-bottom p:last-child { text-align: start; }
}

@media (prefers-reduced-motion: reduce) {
  .idb-official-chrome .nav a::after { transition: none; }
}

.chrome-review { background: var(--idb-canvas); }
.chrome-review .chrome-review__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; }
.chrome-review .idb-figure figcaption { margin-block-end: .75rem; color: var(--idb-ink-800); font-weight: 720; }
.chrome-review .idb-figure img { inline-size: 100%; block-size: auto; border: 1px solid var(--idb-line); background: var(--idb-white); }
@media (max-width: 56rem) { .chrome-review .chrome-review__grid { grid-template-columns: 1fr; } }

.idb-official-chrome .consultation-search { padding-block: 1.25rem 0; }
.idb-official-chrome .consultation-search .header-search-slot { inline-size: min(100%, 48rem); margin-inline: auto; }

@layer components {
  .page-join .join-hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 62%, var(--idb-blue-100)); }
  .page-join .join-hero__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(25rem, 1.08fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .page-join .join-hero__copy { display: grid; gap: 1.25rem; }
  .page-join .join-hero__copy h1 { max-inline-size: 11ch; }
  .page-join .join-hero__copy > p:not(.eyebrow) { max-inline-size: 42rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-join .join-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-block-start: .5rem; }
  .page-join .join-hero__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); box-shadow: var(--idb-shadow); }
  .page-join .join-hero__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 45%; }
  .page-join .join-intro { display: grid; grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-join .join-intro > div:last-child { display: grid; gap: 1rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-join .join-profiles { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
  .page-join .join-profile { grid-column: span 4; min-inline-size: 0; min-block-size: 15rem; display: grid; grid-template-rows: auto 1fr; gap: 2rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .page-join .join-profile--lead { grid-column: span 8; }
  .page-join .join-profile--dark { color: var(--idb-white); background: var(--idb-ink-950); }
  .page-join .join-profile > span { color: var(--idb-green-600); font-size: var(--idb-step--1); font-weight: 760; }
  .page-join .join-profile h3 { font-size: var(--idb-step-2); }
  .page-join .join-profile p { max-inline-size: 35rem; margin-block-start: .6rem; color: var(--idb-ink-650); }
  .page-join .join-profile--dark h3 { color: var(--idb-white); }
  .page-join .join-profile--dark p { color: rgb(255 255 255 / .7); }
  .page-join .join-evaluation { display: grid; grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-join .join-evaluation > div > p:last-child { margin-block-start: 1rem; color: var(--idb-ink-650); }
  .page-join .join-evaluation ol { margin: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--idb-line); }
  .page-join .join-evaluation li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1.5rem; padding-block: 1.25rem; border-block-end: 1px solid var(--idb-line); }
  .page-join .join-evaluation li > span { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; }
  .page-join .join-evaluation h3 { font-size: var(--idb-step-1); }
  .page-join .join-evaluation li p { color: var(--idb-ink-650); }
  .page-join .join-form-layout { display: grid; grid-template-columns: minmax(16rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
  .page-join .join-form-intro { position: sticky; inset-block-start: calc(var(--idb-header-height) + 2rem); }
  .page-join .join-form-intro > p:not(.eyebrow) { margin-block-start: 1rem; color: var(--idb-ink-650); }
  .page-join .join-form-note { margin-block-start: 2rem; padding: 1.25rem; border-inline-start: .25rem solid var(--idb-green-600); border-radius: var(--idb-radius-sm); background: var(--idb-white); }
  .page-join .join-form-note p { margin-block-start: .35rem; color: var(--idb-ink-650); }
  .page-join .join-form { min-inline-size: 0; padding: clamp(1.25rem, 4vw, 3rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-lg); background: var(--idb-white); box-shadow: var(--idb-shadow); }
  .page-join .join-form__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
  .page-join .join-form__full { grid-column: 1 / -1; }
  .page-join .idb-field { min-inline-size: 0; display: grid; gap: .45rem; }
  .page-join .idb-field label { font-weight: 720; }
  .page-join .idb-field input, .page-join .idb-field select, .page-join .idb-field textarea { inline-size: 100%; min-block-size: 3.1rem; padding: .75rem .9rem; border: 1px solid var(--idb-line-strong); border-radius: var(--idb-radius-sm); color: var(--idb-ink-950); background: var(--idb-white); }
  .page-join .idb-field textarea { min-block-size: 10rem; resize: vertical; }
  .page-join .idb-field input:focus-visible, .page-join .idb-field select:focus-visible, .page-join .idb-field textarea:focus-visible { outline: .2rem solid var(--idb-blue-700); outline-offset: .15rem; border-color: transparent; }
  .page-join .idb-field__help, .page-join .join-form__required { color: var(--idb-ink-500); font-size: var(--idb-step--1); }
  .page-join .join-consent { display: grid; grid-template-columns: 1.25rem minmax(0, 1fr); gap: .75rem; margin-block: 1.5rem .75rem; cursor: pointer; }
  .page-join .join-consent input { inline-size: 1.2rem; block-size: 1.2rem; margin-block-start: .25rem; accent-color: var(--idb-green-700); }
  .page-join .join-form .button { margin-block-start: 1.5rem; }
  .page-join .join-next { padding: clamp(2rem, 6vw, 5rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: linear-gradient(125deg, var(--idb-ink-950), var(--idb-green-800)); }
  .page-join .join-next h2, .page-join .join-next .eyebrow { color: var(--idb-white); }
  .page-join .join-next__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 2rem; margin-block: 1.5rem 2rem; }
  .page-join .join-next__grid p { color: rgb(255 255 255 / .75); }
  .page-join .join-next > a { color: var(--idb-white); font-weight: 720; }
}

@media (max-width: 56rem) {
  .page-join .join-hero__grid, .page-join .join-intro, .page-join .join-evaluation, .page-join .join-form-layout { grid-template-columns: 1fr; }
  .page-join .join-profile, .page-join .join-profile--lead { grid-column: span 6; }
  .page-join .join-form-intro { position: static; }
}

@media (max-width: 38rem) {
  .page-join .join-hero__actions, .page-join .join-hero__actions .button { inline-size: 100%; }
  .page-join .join-profile, .page-join .join-profile--lead { grid-column: 1 / -1; min-block-size: 12rem; }
  .page-join .join-form__grid, .page-join .join-next__grid { grid-template-columns: 1fr; }
  .page-join .join-form__full { grid-column: auto; }
  .page-join .join-form .button { inline-size: 100%; }
}

/* Sources and evidence ---------------------------------------------------- */
@layer components {
  .page-sources .sources-hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 62%, var(--idb-blue-100)); }
  .page-sources .sources-hero__grid { display: grid; grid-template-columns: minmax(0, .92fr) minmax(25rem, 1.08fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .page-sources .sources-hero__copy { display: grid; gap: 1.25rem; }
  .page-sources .sources-hero__copy h1 { max-inline-size: 12ch; }
  .page-sources .sources-hero__copy > p:not(.eyebrow) { max-inline-size: 42rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-sources .sources-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; color: var(--idb-ink-500); font-size: var(--idb-step--1); font-weight: 650; }
  .page-sources .sources-hero__meta span + span::before { content: "·"; margin-inline-end: 1.25rem; }
  .page-sources .sources-hero__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); box-shadow: var(--idb-shadow); }
  .page-sources .sources-hero__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 45%; }
  .page-sources .sources-intro, .page-sources .sources-update, .page-sources .sources-limits { display: grid; grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-sources .sources-intro__copy > p, .page-sources .sources-update p { color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-sources .sources-intro__copy ul { display: grid; gap: .75rem; margin-block-start: 1.5rem; padding-inline-start: 1.25rem; }
  .page-sources .sources-intro__copy li::marker { color: var(--idb-green-600); }
  .page-sources .sources-criteria { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
  .page-sources .sources-criteria article { grid-column: span 4; min-inline-size: 0; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .page-sources .sources-criteria article:nth-child(1), .page-sources .sources-criteria article:nth-child(7) { grid-column: span 6; }
  .page-sources .sources-criteria span { color: var(--idb-green-600); font-size: var(--idb-step--1); font-weight: 760; }
  .page-sources .sources-criteria h3 { margin-block: 1.25rem .6rem; font-size: var(--idb-step-2); }
  .page-sources .sources-criteria p { color: var(--idb-ink-650); }
  .page-sources .sources-reference-head { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; margin-block-end: 2rem; }
  .page-sources .sources-reference-head > p { color: var(--idb-ink-650); }
  .page-sources .sources-reference-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
  .page-sources .source-reference { min-inline-size: 0; display: flex; flex-direction: column; align-items: flex-start; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); color: var(--idb-ink-950); background: var(--idb-white); text-decoration: none; transition: border-color 180ms ease, transform 180ms ease; }
  .page-sources .source-reference:hover { border-color: var(--idb-green-600); transform: translateY(-3px); }
  .page-sources .source-reference > span { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 720; text-transform: uppercase; letter-spacing: .06em; }
  .page-sources .source-reference h3 { margin-block: 1rem .6rem; font-size: var(--idb-step-2); }
  .page-sources .source-reference p { flex: 1; color: var(--idb-ink-650); }
  .page-sources .source-reference strong { margin-block-start: 1.5rem; color: var(--idb-green-700); font-size: var(--idb-step--1); }
  .page-sources .sources-process { display: grid; grid-template-columns: minmax(15rem, .7fr) minmax(0, 1.3fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-sources .sources-process__intro p:not(.eyebrow) { margin-block-start: 1rem; color: var(--idb-ink-650); }
  .page-sources .sources-process__steps { margin: 0; padding: 0; list-style: none; border-block-start: 1px solid var(--idb-line); }
  .page-sources .sources-process__steps li { display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: 1.5rem; padding-block: 1.25rem; border-block-end: 1px solid var(--idb-line); }
  .page-sources .sources-process__steps span { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; }
  .page-sources .sources-process__steps h3 { font-size: var(--idb-step-1); }
  .page-sources .sources-process__steps p { color: var(--idb-ink-650); }
  .page-sources .sources-update > div:last-child { display: grid; gap: 1rem; }
  .page-sources .sources-limits__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .page-sources .sources-limits__grid article { padding: 1.5rem; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .page-sources .sources-limits__grid h3 { font-size: var(--idb-step-1); }
  .page-sources .sources-limits__grid p { margin-block-start: .5rem; color: var(--idb-ink-650); }
  .page-sources .sources-transparency { padding: clamp(2rem, 6vw, 5rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: var(--idb-ink-950); }
  .page-sources .sources-transparency h2, .page-sources .sources-transparency .eyebrow { color: var(--idb-white); }
  .page-sources .sources-transparency > p:not(.eyebrow) { max-inline-size: 52rem; margin-block-top: 1rem; color: rgb(255 255 255 / .72); font-size: var(--idb-step-1); }
  .page-sources .sources-transparency__links { display: flex; flex-wrap: wrap; gap: 1rem 2rem; margin-block-start: 2rem; }
  .page-sources .sources-transparency__links a { color: var(--idb-white); font-weight: 720; }
}

@media (max-width: 56rem) {
  .page-sources .sources-hero__grid, .page-sources .sources-intro, .page-sources .sources-update, .page-sources .sources-limits, .page-sources .sources-process { grid-template-columns: 1fr; }
  .page-sources .sources-criteria article, .page-sources .sources-criteria article:nth-child(n) { grid-column: span 6; }
  .page-sources .sources-reference-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-sources .sources-reference-head { grid-template-columns: 1fr; gap: 1rem; }
}

@media (max-width: 38rem) {
  .page-sources .sources-hero__meta { display: grid; gap: .25rem; }
  .page-sources .sources-hero__meta span + span::before { content: none; }
  .page-sources .sources-criteria article, .page-sources .sources-criteria article:nth-child(n) { grid-column: 1 / -1; }
  .page-sources .sources-reference-grid, .page-sources .sources-limits__grid { grid-template-columns: 1fr; }
}

/* Digital library --------------------------------------------------------- */
@layer components {
  .page-library .library-hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 62%, var(--idb-blue-100)); }
  .page-library .library-hero__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(25rem, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .page-library .library-hero__copy { display: grid; gap: 1.25rem; }
  .page-library .library-hero__copy h1 { max-inline-size: 9ch; }
  .page-library .library-hero__copy > p:not(.eyebrow) { max-inline-size: 42rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-library .library-hero__meta { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; color: var(--idb-ink-500); font-size: var(--idb-step--1); font-weight: 650; }
  .page-library .library-hero__meta span + span::before { content: "·"; margin-inline-end: 1.25rem; }
  .page-library .library-hero__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); background: var(--idb-green-50); box-shadow: var(--idb-shadow); }
  .page-library .library-hero__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 44%; }
  .page-library .library-intro__grid { display: grid; grid-template-columns: minmax(12rem, .42fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-library .library-intro__grid h2 { max-inline-size: 19ch; }
  .page-library .library-intro__grid h2 + p { max-inline-size: 44rem; margin-block-start: 1.25rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-library .library-search-section { padding-block: clamp(2rem, 5vw, 4rem); color: var(--idb-white); background: var(--idb-ink-950); }
  .page-library .library-search { display: grid; grid-template-columns: minmax(15rem, .75fr) minmax(20rem, 1.25fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
  .page-library .library-search h2, .page-library .library-search .eyebrow { color: var(--idb-white); }
  .page-library .library-search p:not(.eyebrow) { color: rgb(255 255 255 / .66); }
  .page-library .library-search__control { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: .75rem; align-items: center; padding: .4rem; padding-inline-start: 1rem; border: 1px solid rgb(255 255 255 / .22); border-radius: 999px; background: var(--idb-white); }
  .page-library .library-search__control svg { inline-size: 1.3rem; color: var(--idb-ink-500); }
  .page-library .library-search__control input { min-inline-size: 0; padding: .65rem 0; border: 0; outline: 0; color: var(--idb-ink-950); background: transparent; }
  .page-library .library-search__control button { min-block-size: 2.75rem; padding-inline: 1.25rem; border: 0; border-radius: 999px; color: var(--idb-ink-500); background: var(--idb-line); font-weight: 720; cursor: not-allowed; }
  .page-library .library-category-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
  .page-library .library-category { grid-column: span 4; min-inline-size: 0; min-block-size: 14rem; display: grid; grid-template-columns: 1fr auto; grid-template-rows: auto 1fr; gap: 1rem; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); color: var(--idb-ink-950); background: var(--idb-white); text-decoration: none; transition: transform 180ms ease, border-color 180ms ease, background 180ms ease; }
  .page-library .library-category:hover { border-color: var(--idb-line-strong); background: var(--idb-green-50); transform: translateY(-3px); }
  .page-library .library-category--feature { grid-column: span 8; }
  .page-library .library-category--clinical { color: var(--idb-white); background: var(--idb-ink-950); }
  .page-library .library-category--clinical h3 { color: var(--idb-white); }
  .page-library .library-category--clinical p { color: rgb(255 255 255 / .7) !important; }
  .page-library .library-category--clinical:hover { color: var(--idb-white); background: var(--idb-green-800); }
  .page-library .library-category__index { grid-column: 1 / -1; color: var(--idb-green-600); font-size: var(--idb-step--1); font-weight: 760; }
  .page-library .library-category h3 { margin-block-end: .5rem; font-size: var(--idb-step-2); }
  .page-library .library-category p { max-inline-size: 38rem; color: var(--idb-ink-650); }
  .page-library .library-featured { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(20rem, .75fr); gap: 1rem; }
  .page-library .library-featured__lead, .page-library .library-featured__stack article { overflow: hidden; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-lg); background: var(--idb-white); }
  .page-library .library-featured__lead img { inline-size: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
  .page-library .library-featured__lead > div { padding: clamp(1.5rem, 4vw, 3rem); }
  .page-library .library-featured h3 { margin-block: .5rem .75rem; }
  .page-library .library-featured p:not(.eyebrow) { color: var(--idb-ink-650); }
  .page-library .library-featured a { display: inline-block; margin-block-start: 1rem; font-weight: 720; }
  .page-library .library-featured__stack { display: grid; gap: 1rem; }
  .page-library .library-featured__stack article { display: grid; grid-template-columns: minmax(8rem, .85fr) minmax(0, 1.15fr); }
  .page-library .library-featured__stack img { inline-size: 100%; block-size: 100%; object-fit: cover; }
  .page-library .library-featured__stack article > div { padding: 1.5rem; }
  .page-library .library-featured__stack h3 { font-size: var(--idb-step-1); }
  .page-library .library-recent-head { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: end; margin-block-end: 2rem; }
  .page-library .library-recent-head > p { color: var(--idb-ink-650); }
  .page-library .library-recent-list { border-block-start: 1px solid var(--idb-line); }
  .page-library .library-recent-list article { display: grid; grid-template-columns: .45fr 1.2fr 1fr auto; gap: 1.5rem; align-items: center; padding-block: 1.5rem; border-block-end: 1px solid var(--idb-line); }
  .page-library .library-recent-list__type, .page-library .library-recent-list article > span { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 700; }
  .page-library .library-recent-list h3 { font-size: var(--idb-step-1); }
  .page-library .library-recent-list h3 a { color: inherit; text-decoration: none; }
  .page-library .library-recent-list article > p:not(.library-recent-list__type) { color: var(--idb-ink-650); }
  .page-library .library-method { display: grid; grid-template-columns: minmax(15rem, .75fr) minmax(0, 1.25fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-library .library-method__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .page-library .library-method__grid > div { padding: 1.5rem; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .page-library .library-method__grid p { margin-block-start: .5rem; color: var(--idb-ink-650); }
}

@media (max-width: 56rem) {
  .page-library .library-hero__grid, .page-library .library-intro__grid, .page-library .library-search, .page-library .library-featured, .page-library .library-method { grid-template-columns: 1fr; }
  .page-library .library-category, .page-library .library-category--feature { grid-column: span 6; }
  .page-library .library-recent-head { grid-template-columns: 1fr; gap: 1rem; }
  .page-library .library-recent-list article { grid-template-columns: .45fr 1.2fr 1fr; }
  .page-library .library-recent-list article > span { grid-column: 2; }
}

@media (max-width: 38rem) {
  .page-library .library-hero__meta { display: grid; gap: .25rem; }
  .page-library .library-hero__meta span + span::before { content: none; }
  .page-library .library-search__control { grid-template-columns: auto minmax(0, 1fr); border-radius: var(--idb-radius-md); }
  .page-library .library-search__control button { grid-column: 1 / -1; inline-size: 100%; }
  .page-library .library-category, .page-library .library-category--feature { grid-column: 1 / -1; min-block-size: 12rem; }
  .page-library .library-featured__stack article { grid-template-columns: 1fr; }
  .page-library .library-featured__stack img { aspect-ratio: 16 / 9; }
  .page-library .library-recent-list article { grid-template-columns: 1fr; gap: .5rem; }
  .page-library .library-recent-list article > span { grid-column: auto; }
  .page-library .library-method__grid { grid-template-columns: 1fr; }
}

/* Contact hub ------------------------------------------------------------- */
@layer components {
  .page-contact .contact-hub-hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 62%, var(--idb-blue-100)); }
  .page-contact .contact-hub-hero__grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(25rem, 1.12fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .page-contact .contact-hub-hero__copy { display: grid; justify-items: start; gap: 1.25rem; }
  .page-contact .contact-hub-hero__copy h1 { max-inline-size: 9ch; }
  .page-contact .contact-hub-hero__copy > p:not(.eyebrow) { max-inline-size: 40rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-contact .contact-hub-hero__actions { display: flex; flex-wrap: wrap; gap: .75rem; }
  .page-contact .button--quiet { border-color: var(--idb-line-strong); color: var(--idb-ink-950); background: var(--idb-white); }
  .page-contact .button--quiet:hover { color: var(--idb-green-800); background: var(--idb-green-50); }
  .page-contact .contact-hub-hero__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); background: var(--idb-green-50); box-shadow: var(--idb-shadow); }
  .page-contact .contact-hub-hero__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 45%; }
  .page-contact .contact-intro__grid { display: grid; grid-template-columns: minmax(12rem, .42fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-contact .contact-intro__grid h2 { max-inline-size: 19ch; }
  .page-contact .contact-intro__grid h2 + p { max-inline-size: 44rem; margin-block-start: 1.25rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-contact .contact-channel-layout { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: 1rem; }
  .page-contact .contact-channel { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.25rem; min-inline-size: 0; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-lg); background: var(--idb-white); }
  .page-contact .contact-channel--vita { grid-row: span 2; align-content: center; color: var(--idb-white); background: linear-gradient(145deg, #105e50, #187d6b); }
  .page-contact .contact-channel--vita h3, .page-contact .contact-channel--vita .eyebrow { color: var(--idb-white); }
  .page-contact .contact-channel--vita p:not(.eyebrow) { color: rgb(255 255 255 / .78); }
  .page-contact .contact-channel--vita .button { margin-block-start: 1.5rem; color: var(--idb-green-800); background: var(--idb-white); }
  .page-contact .contact-channel__icon { inline-size: 3rem; block-size: 3rem; display: grid; place-items: center; border: 1px solid currentColor; border-radius: 50%; color: var(--idb-green-700); }
  .page-contact .contact-channel__icon svg { inline-size: 1.5rem; }
  .page-contact .contact-channel--vita .contact-channel__icon { color: rgb(255 255 255 / .76); }
  .page-contact .contact-channel h3 { margin-block: .5rem; font-size: var(--idb-step-3); }
  .page-contact .contact-channel p { color: var(--idb-ink-650); }
  .page-contact .contact-channel__link { display: inline-block; margin-block-start: 1.25rem; font-weight: 720; overflow-wrap: anywhere; text-decoration: none; }
  .page-contact .contact-socials { grid-column: 2; display: grid; gap: 1px; overflow: hidden; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-lg); background: var(--idb-line); }
  .page-contact .contact-social { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1rem; align-items: start; padding: 1.25rem; background: var(--idb-white); }
  .page-contact .contact-social__mark { inline-size: 2.5rem; block-size: 2.5rem; display: grid; place-items: center; border-radius: 50%; color: var(--idb-green-800); background: var(--idb-green-100); font-size: .7rem; font-weight: 800; }
  .page-contact .contact-social h3 { font-size: var(--idb-step-1); }
  .page-contact .contact-social p { color: var(--idb-ink-650); font-size: var(--idb-step--1); }
  .page-contact .contact-status { display: inline-block; margin-block-start: .4rem; color: var(--idb-ink-500); font-size: .75rem; font-weight: 700; }
  .page-contact .contact-vita { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: clamp(1.5rem, 4vw, 3rem); align-items: center; padding: clamp(2rem, 5vw, 4rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: linear-gradient(120deg, #102a26, #126451 62%, #18658f); }
  .page-contact .contact-vita__identity { inline-size: clamp(4rem, 8vw, 6rem); aspect-ratio: 1; display: grid; place-items: center; border: 1px solid rgb(255 255 255 / .3); border-radius: 50%; font-size: var(--idb-step-3); font-weight: 760; }
  .page-contact .contact-vita h2, .page-contact .contact-vita .eyebrow { color: var(--idb-white); }
  .page-contact .contact-vita p:not(.eyebrow) { max-inline-size: 47rem; color: rgb(255 255 255 / .74); }
  .page-contact .contact-vita .button { color: var(--idb-green-800); background: var(--idb-white); }
  .page-contact .contact-faq-layout { display: grid; grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
  .page-contact .contact-faq-layout .section-head { position: sticky; inset-block-start: calc(var(--idb-header-height) + 2rem); }
  .page-contact .contact-faq { max-inline-size: none; }
  .page-contact .contact-notice { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 1.5rem; padding: clamp(1.5rem, 4vw, 3rem); border: 1px solid #efcfca; border-inline-start: .35rem solid var(--idb-red-700); border-radius: var(--idb-radius-lg); background: #fff7f5; }
  .page-contact .contact-notice__icon { inline-size: 2.5rem; color: var(--idb-red-700); }
  .page-contact .contact-notice ul { display: grid; gap: .6rem; margin-block: 1.25rem 0; padding-inline-start: 1.25rem; }
  .page-contact .contact-notice li::marker { color: var(--idb-red-700); }
}

@media (max-width: 56rem) {
  .page-contact .contact-hub-hero__grid, .page-contact .contact-intro__grid, .page-contact .contact-channel-layout, .page-contact .contact-faq-layout { grid-template-columns: 1fr; }
  .page-contact .contact-hub-hero__media { max-inline-size: 48rem; }
  .page-contact .contact-channel--vita { grid-row: auto; }
  .page-contact .contact-socials { grid-column: auto; }
  .page-contact .contact-vita { grid-template-columns: auto minmax(0, 1fr); }
  .page-contact .contact-vita .button { grid-column: 1 / -1; justify-self: start; }
  .page-contact .contact-faq-layout .section-head { position: static; }
}

@media (max-width: 38rem) {
  .page-contact .contact-hub-hero__actions { inline-size: 100%; flex-direction: column; }
  .page-contact .contact-hub-hero__actions .button { inline-size: 100%; }
  .page-contact .contact-channel, .page-contact .contact-vita, .page-contact .contact-notice { grid-template-columns: 1fr; }
  .page-contact .contact-vita .button { inline-size: 100%; }
}

/* Resources hub ----------------------------------------------------------- */
@layer components {
  .page-resources .resource-hub-hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 62%, var(--idb-blue-100)); }
  .page-resources .resource-hub-hero__grid { display: grid; grid-template-columns: minmax(0, .9fr) minmax(24rem, 1.1fr); gap: clamp(2.5rem, 6vw, 6rem); align-items: center; }
  .page-resources .resource-hub-hero__copy { display: grid; justify-items: start; gap: 1.25rem; }
  .page-resources .resource-hub-hero__copy h1 { max-inline-size: 10ch; }
  .page-resources .resource-hub-hero__copy > p:not(.eyebrow) { max-inline-size: 42rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-resources .resource-hub-hero__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); background: var(--idb-green-50); box-shadow: var(--idb-shadow); }
  .page-resources .resource-hub-hero__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; object-position: center 43%; }
  .page-resources .resource-intro__grid { display: grid; grid-template-columns: minmax(12rem, .45fr) minmax(0, 1fr); gap: clamp(2rem, 7vw, 7rem); align-items: start; }
  .page-resources .resource-intro__grid h2 { max-inline-size: 19ch; }
  .page-resources .resource-intro__grid h2 + p { max-inline-size: 44rem; margin-block-start: 1.25rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-resources .resource-tools > .wrap { display: grid; gap: clamp(3rem, 8vw, 7rem); }
  .page-resources .resource-feature { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(20rem, .88fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
  .page-resources .resource-feature--wide { grid-template-columns: minmax(0, 1.35fr) minmax(20rem, .65fr); }
  .page-resources .resource-feature--reverse { grid-template-columns: minmax(20rem, .88fr) minmax(0, 1.12fr); }
  .page-resources .resource-feature--reverse .resource-feature__media { order: 2; }
  .page-resources .resource-feature__media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); background: var(--idb-green-50); }
  .page-resources .resource-feature__media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
  .page-resources .resource-feature:nth-of-type(2) .resource-feature__media img { object-position: center 45%; }
  .page-resources .resource-feature:nth-of-type(3) .resource-feature__media img { object-position: center 38%; }
  .page-resources .resource-feature:nth-of-type(4) .resource-feature__media img { object-position: center 42%; }
  .page-resources .resource-feature__copy { display: grid; justify-items: start; gap: 1rem; }
  .page-resources .resource-feature__copy h3 { max-inline-size: 18ch; font-size: var(--idb-step-4); }
  .page-resources .resource-feature__copy > p:not(.eyebrow, .resource-feature__number) { max-inline-size: 42rem; color: var(--idb-ink-650); }
  .page-resources .resource-feature__number { color: var(--idb-line-strong); font-size: var(--idb-step-3); font-weight: 720; line-height: 1; }
  .page-resources .resource-feature__details { display: grid; gap: 1rem; margin: .5rem 0; }
  .page-resources .resource-feature__details div { display: grid; grid-template-columns: 9rem minmax(0, 1fr); gap: 1rem; padding-block-start: 1rem; border-block-start: 1px solid var(--idb-line); }
  .page-resources .resource-feature__details dt { font-weight: 720; }
  .page-resources .resource-feature__details dd { color: var(--idb-ink-650); }
  .page-resources .resource-feature__link { padding-block: .4rem; font-weight: 720; text-decoration: none; }
  .page-resources .resource-feature__link span { display: inline-block; transition: transform 180ms ease; }
  .page-resources .resource-feature__link:hover span { transform: translateX(.25rem); }
  .page-resources .resource-note { display: grid; gap: .35rem; padding: 1.1rem 1.25rem; border-inline-start: .3rem solid var(--idb-green-600); border-radius: var(--idb-radius-sm); background: var(--idb-green-50); }
  .page-resources .resource-note p { color: var(--idb-ink-650); }
  .page-resources .resource-feature--clinical { padding: clamp(1.5rem, 5vw, 4rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: var(--idb-ink-950); }
  .page-resources .resource-feature--clinical h3 { color: var(--idb-white); }
  .page-resources .resource-feature--clinical .eyebrow { color: #a9ddcc; }
  .page-resources .resource-feature--clinical .resource-feature__copy > p:not(.eyebrow, .resource-feature__number) { color: rgb(255 255 255 / .72); }
  .page-resources .resource-feature--clinical .resource-feature__link { color: var(--idb-white); }
  .page-resources .resource-feature--quiet { padding-block-start: clamp(1rem, 4vw, 3rem); border-block-start: 1px solid var(--idb-line); }
  .page-resources .resource-method { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 7vw, 7rem); }
  .page-resources .resource-method__statement { display: grid; align-content: start; gap: 1rem; }
  .page-resources .resource-method__principles { display: grid; gap: 1.5rem; }
  .page-resources .resource-method__principles > div { display: grid; grid-template-columns: 7rem minmax(0, 1fr); gap: 1.5rem; padding-block-end: 1.5rem; border-block-end: 1px solid var(--idb-line); }
  .page-resources .resource-method__principles p { color: var(--idb-ink-650); }
}

@media (max-width: 56rem) {
  .page-resources .resource-hub-hero__grid, .page-resources .resource-intro__grid, .page-resources .resource-feature, .page-resources .resource-feature--wide, .page-resources .resource-feature--reverse, .page-resources .resource-method { grid-template-columns: 1fr; }
  .page-resources .resource-hub-hero__media { max-inline-size: 48rem; }
  .page-resources .resource-feature--reverse .resource-feature__media { order: initial; }
  .page-resources .resource-feature__copy { max-inline-size: var(--idb-reading); }
}

@media (max-width: 38rem) {
  .page-resources .resource-feature__copy h3 { font-size: var(--idb-step-3); }
  .page-resources .resource-feature__details div, .page-resources .resource-method__principles > div { grid-template-columns: 1fr; gap: .35rem; }
  .page-resources .resource-feature--clinical { margin-inline: calc(-1 * var(--idb-gutter)); border-radius: 0; }
}

@media print {
  .idb-header, .idb-footer, .idb-actions, .idb-toc, .idb-vita { display: none; }
  body { color: #000; background: #fff; font-size: 11pt; }
  .idb-shell, .idb-reading { inline-size: 100%; max-inline-size: none; }
  .idb-hero, .idb-section { padding-block: 1.5rem; background: #fff; }
  a { color: inherit; text-decoration: underline; }
}

/* Published editorial pages -------------------------------------------------
 * Compatibility components used while internal pages adopt the master system.
 * These selectors intentionally live here so published HTML contains no styles.
 */
@layer components {
  .idb-published .site-header { position: sticky; inset-block-start: 0; z-index: 50; min-block-size: var(--idb-header-height); border-block-end: 1px solid rgb(220 231 227 / .8); background: rgb(255 255 255 / .94); backdrop-filter: blur(1rem); }
  .idb-published .header-inner, .idb-published .wrap, .idb-published .footer-main, .idb-published .footer-bottom-inner { inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); margin-inline: auto; }
  .idb-published .header-inner { min-block-size: var(--idb-header-height); display: flex; align-items: center; gap: 2rem; }
  .idb-published .brand { flex: 0 0 auto; }
  .idb-published .brand-logo { inline-size: 7rem; block-size: 3rem; object-fit: contain; }
  .idb-published .nav { display: flex; align-items: center; gap: clamp(1rem, 2.5vw, 2rem); margin-inline-start: auto; }
  .idb-published .nav a { color: var(--idb-ink-800); font-size: var(--idb-step--1); font-weight: 650; text-decoration: none; }
  .idb-published .nav a:hover, .idb-published .nav a[aria-current="page"] { color: var(--idb-green-700); }
  .idb-published .menu-toggle { display: none; inline-size: 2.75rem; block-size: 2.75rem; margin-inline-start: auto; padding: .7rem; border: 1px solid var(--idb-line); border-radius: 50%; background: var(--idb-white); cursor: pointer; }
  .idb-published .menu-toggle span { display: block; block-size: 2px; margin-block: 4px; border-radius: 2px; background: var(--idb-ink-950); }
  .idb-published .editorial-breadcrumb { padding-block: 1rem; border-block-end: 1px solid var(--idb-line); }
  .idb-published .editorial-breadcrumb ol { display: flex; flex-wrap: wrap; gap: .35rem .65rem; margin: 0; padding: 0; list-style: none; color: var(--idb-ink-500); font-size: var(--idb-step--1); }
  .idb-published .editorial-breadcrumb li + li::before { content: "/"; margin-inline-end: .65rem; color: var(--idb-line-strong); }
  .idb-published .editorial-breadcrumb a { color: inherit; }
  .idb-published .editorial-index { padding-block: 2rem; border-block-end: 1px solid var(--idb-line); background: var(--idb-white); }
  .idb-published .editorial-index .idb-toc { position: static; inset: auto; max-inline-size: none; padding: 1.25rem 1.5rem; border: 1px solid var(--idb-line); border-inline-start: .3rem solid var(--idb-green-600); border-radius: var(--idb-radius-md); background: var(--idb-canvas); }
  .idb-published .editorial-index .idb-toc ol { display: flex; flex-wrap: wrap; gap: .65rem 1.5rem; }

  .idb-published .section { padding-block: var(--idb-space-8); }
  .idb-published .section-soft, .idb-published .section-mist { background: var(--idb-canvas); }
  .idb-published .section-head { display: grid; gap: 1rem; max-inline-size: 48rem; margin-block-end: 2.25rem; }
  .idb-published .section-head > p:last-child { color: var(--idb-ink-650); }
  .idb-published .eyebrow, .idb-published .section-kicker { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; letter-spacing: .11em; text-transform: uppercase; }
  .idb-published .two-col { display: grid; grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
  .idb-published .button { display: inline-flex; min-block-size: 3rem; align-items: center; justify-content: center; padding: .65rem 1.25rem; border: 1px solid transparent; border-radius: 999px; color: var(--idb-white); background: var(--idb-green-700); font-weight: 720; text-decoration: none; }
  .idb-published .button:hover { color: var(--idb-white); background: var(--idb-green-800); }

  .idb-published:not(.page-topics) .hero { padding-block: clamp(3rem, 8vw, 7rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 65%, var(--idb-blue-100)); }
  .idb-published:not(.page-topics) .hero-inner { inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); margin-inline: auto; display: grid; grid-template-columns: minmax(0, .92fr) minmax(22rem, 1.08fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
  .idb-published:not(.page-topics) .hero h1 { margin-block: 1rem 1.5rem; max-inline-size: 15ch; }
  .idb-published:not(.page-topics) .hero p:not(.eyebrow) { max-inline-size: 42rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .idb-published .hero-media { min-inline-size: 0; overflow: hidden; border-radius: var(--idb-radius-lg); background: var(--idb-green-50); box-shadow: var(--idb-shadow); }
  .idb-published .hero-media img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
  .page-nutrition .hero-media img { object-position: center 48%; }
  .page-sleep .hero-media img { object-position: center 42%; }
  .page-movement .hero-media img { object-position: center 38%; }
  .page-calm .hero-media img { object-position: center 40%; }
  .page-prevention .hero-media img { object-position: center 44%; }
  .page-aging .hero-media img { object-position: center 36%; }
  .idb-published .patient-trust-strip { display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; margin-block-start: 1.5rem; color: var(--idb-ink-500); font-size: var(--idb-step--1); }

  .idb-published .principles, .idb-published .topic-grid, .idb-published .topics-grid, .idb-published .recommendations-grid, .idb-published .article-list, .idb-published .articles-grid, .idb-published .cards-grid, .idb-published .habits-grid, .idb-published .highlight-grid, .idb-published .official-related-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
  .idb-published .principle, .idb-published .topic-card, .idb-published .recommendation, .idb-published .article-card, .idb-published .card, .idb-published .habit { min-inline-size: 0; padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .idb-published .principle { display: grid; gap: .4rem; }
  .idb-published .principle span, .idb-published .topic-card p, .idb-published .recommendation p, .idb-published .article-card p { color: var(--idb-ink-650); }
  .idb-published .card-number { margin-block-end: 1.5rem; color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; }
  .idb-published .topic-card h3, .idb-published .recommendation h3, .idb-published .article-card h3 { margin-block-end: .65rem; font-size: var(--idb-step-2); }
  .idb-published .article-card { display: flex; flex-direction: column; justify-content: space-between; gap: 1.5rem; }
  .idb-published .article-meta { margin-block-end: .75rem; color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
  .idb-published .article-link { font-weight: 720; }

  .idb-published .premium-visual, .idb-published .premium-panorama-card { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
  .idb-published .premium-visual.reverse .premium-image { order: 2; }
  .idb-published .premium-image { overflow: hidden; border-radius: var(--idb-radius-lg); }
  .idb-published .premium-image img, .idb-published .premium-panorama-card img { inline-size: 100%; aspect-ratio: 16 / 10; object-fit: cover; }
  .idb-published .premium-copy { display: grid; gap: 1rem; }
  .idb-published .premium-copy > p:not(.eyebrow) { color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .idb-published .premium-callout { display: grid; gap: .35rem; margin-block-start: 1rem; padding: 1.25rem; border-inline-start: .3rem solid var(--idb-green-600); border-radius: var(--idb-radius-sm); background: var(--idb-green-50); }
  .idb-published .premium-highlights .wrap { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
  .idb-published .highlight-card { padding: clamp(1.25rem, 3vw, 2rem); border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .idb-published .highlight-card span { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 760; text-transform: uppercase; letter-spacing: .08em; }
  .idb-published .highlight-card h3 { margin-block: .75rem; font-size: var(--idb-step-2); }
  .idb-published .highlight-card p { color: var(--idb-ink-650); }
  .idb-published .faq-list, .idb-published .faq { display: grid; gap: .75rem; max-inline-size: var(--idb-reading); }
  .idb-published .faq-list details, .idb-published .faq details { padding: 1.1rem 1.25rem; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-sm); background: var(--idb-white); }
  .idb-published .faq-list summary, .idb-published .faq summary { cursor: pointer; font-weight: 720; }
  .idb-published .faq-list details p, .idb-published .faq details p { margin-block-start: .75rem; color: var(--idb-ink-650); }
  .idb-published .sources-list, .idb-published .references { max-inline-size: var(--idb-reading); }
  .idb-published .sources-list li, .idb-published .references li { margin-block: .75rem; }
  .idb-published .check-list { display: grid; gap: .75rem; padding-inline-start: 1.25rem; }
  .idb-published .premium-band { padding-block: clamp(2.5rem, 6vw, 5rem); color: var(--idb-white); background: var(--idb-ink-950); }
  .idb-published .premium-band-content { inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); margin-inline: auto; }
  .idb-published .premium-band h2 { color: var(--idb-white); }

  .idb-published .official-related-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .idb-published .official-link-card { min-inline-size: 0; overflow: hidden; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); color: var(--idb-ink-950); background: var(--idb-white); text-decoration: none; transition: transform 180ms ease, border-color 180ms ease; }
  .idb-published .official-link-card:hover { border-color: var(--idb-line-strong); transform: translateY(-3px); }
  .idb-published .official-link-card img { inline-size: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
  .idb-published .official-link-card span, .idb-published .official-link-card strong, .idb-published .official-link-card p { display: block; margin-inline: 1.25rem; }
  .idb-published .official-link-card span { margin-block-start: 1.25rem; color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 700; }
  .idb-published .official-link-card strong { margin-block: .35rem; font-size: var(--idb-step-1); }
  .idb-published .official-link-card p { margin-block-end: 1.25rem; color: var(--idb-ink-650); }
  .idb-published .official-vita { padding-block: var(--idb-space-8); }
  .idb-published .official-vita-card { overflow: hidden; display: grid; grid-template-columns: 8rem minmax(0, 1fr) auto; gap: 2rem; align-items: center; padding: clamp(1.5rem, 4vw, 3rem); border-radius: var(--idb-radius-lg); color: var(--idb-white); background: linear-gradient(125deg, #0f574a, #18658f); }
  .idb-published .official-vita-card img { inline-size: 8rem; aspect-ratio: 1; border-radius: 50%; object-fit: cover; }
  .idb-published .official-vita-card h2 { color: var(--idb-white); font-size: var(--idb-step-3); }
  .idb-published .official-vita-card p { color: rgb(255 255 255 / .8); }
  .idb-published .official-vita-card .button { color: var(--idb-green-800); background: var(--idb-white); }
  .idb-published .official-trust { padding-block: 2rem; border-block: 1px solid var(--idb-line); color: var(--idb-ink-650); background: var(--idb-canvas); font-size: var(--idb-step--1); }
  .idb-published .official-trust h2 { margin-block-end: .5rem; font-size: var(--idb-step-2); }

  .idb-published .site-footer { padding-block-start: 3rem; border-block-start: 1px solid var(--idb-line); color: var(--idb-ink-650); background: var(--idb-canvas); font-size: var(--idb-step--1); }
  .idb-published .footer-main { display: grid; grid-template-columns: 1.5fr repeat(2, 1fr); gap: 3rem; }
  .idb-published .footer-brand img { inline-size: 7rem; block-size: 4.5rem; object-fit: contain; margin-block-end: 1rem; }
  .idb-published .footer-col { display: grid; align-content: start; gap: .55rem; }
  .idb-published .footer-col h2, .idb-published .footer-col h3 { margin-block-end: .35rem; font-size: var(--idb-step--1); text-transform: uppercase; letter-spacing: .06em; }
  .idb-published .footer-col a { color: inherit; }
  .idb-published .footer-bottom { margin-block-start: 2.5rem; padding-block: 1.5rem; border-block-start: 1px solid var(--idb-line); }
  .idb-published .footer-bottom-inner { display: flex; justify-content: space-between; gap: 2rem; }
  .idb-published .socials { display: flex; flex-wrap: wrap; gap: 1rem; }

  /* Temas landing: asymmetric feature composition, not a uniform card wall. */
  .page-topics .topics-hero { padding-block: clamp(5rem, 11vw, 9rem); background: linear-gradient(110deg, rgb(16 42 38 / .82), rgb(16 42 38 / .48)), url("../imagenes/hero-temas-idb.webp") center/cover; color: var(--idb-white); }
  .page-topics .topics-hero-inner { inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); margin-inline: auto; }
  .page-topics .topics-hero-copy { max-inline-size: 50rem; }
  .page-topics .topics-hero h1 { max-inline-size: 11ch; color: var(--idb-white); }
  .page-topics .topics-hero-copy > p:last-of-type { max-inline-size: 42rem; margin-block: 1.5rem; color: rgb(255 255 255 / .82); font-size: var(--idb-step-1); }
  .page-topics .topics-hero .section-kicker { color: #bdebdc; }
  .page-topics .hero-search { display: flex; max-inline-size: 38rem; margin-block-start: 2rem; padding: .35rem; border: 1px solid rgb(255 255 255 / .3); border-radius: 999px; background: rgb(255 255 255 / .95); }
  .page-topics .hero-search input { min-inline-size: 0; flex: 1; padding: .6rem 1rem; border: 0; outline: 0; background: transparent; }
  .page-topics .hero-search button { inline-size: 2.75rem; block-size: 2.75rem; border: 0; border-radius: 50%; color: var(--idb-white); background: var(--idb-green-700); }
  .page-topics .search-icon { inline-size: 1.15rem; margin: auto; stroke: currentColor; }
  .page-topics .topic-chips { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 1rem; }
  .page-topics .topic-chips a { padding: .4rem .75rem; border: 1px solid rgb(255 255 255 / .28); border-radius: 999px; color: var(--idb-white); background: rgb(16 42 38 / .25); font-size: var(--idb-step--1); text-decoration: none; }
  .page-topics .consulted-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
  .page-topics .consulted-grid .topic-card { padding: 0; overflow: hidden; }
  .page-topics .consulted-grid img { inline-size: 100%; aspect-ratio: 16 / 9; object-fit: cover; }
  .page-topics .topic-card-body { padding: 1.25rem; }
  .page-topics .topic-card-top { display: flex; justify-content: space-between; gap: 1rem; margin-block-end: .75rem; }
  .page-topics .topic-tag { color: var(--idb-green-700); font-size: var(--idb-step--1); font-weight: 700; }
  .page-topics .topic-card a { font-weight: 720; }
  .page-topics .category-grid { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1rem; }
  .page-topics .category-card { grid-column: span 4; position: relative; min-block-size: 25rem; overflow: hidden; border-radius: var(--idb-radius-lg); color: var(--idb-white); background: var(--idb-ink-950); text-decoration: none; }
  .page-topics .category-card:nth-child(1), .page-topics .category-card:nth-child(4) { grid-column: span 7; }
  .page-topics .category-card:nth-child(2), .page-topics .category-card:nth-child(3) { grid-column: span 5; }
  .page-topics .category-card img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; opacity: .72; transition: transform 400ms ease, opacity 300ms ease; }
  .page-topics .category-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 32%, rgb(16 42 38 / .9)); }
  .page-topics .category-card > div { position: absolute; inset: auto 0 0; z-index: 1; padding: clamp(1.25rem, 4vw, 2.5rem); }
  .page-topics .category-card h3 { color: var(--idb-white); }
  .page-topics .category-card p { margin-block-start: .5rem; color: rgb(255 255 255 / .8); }
  .page-topics .category-card:hover img { transform: scale(1.025); opacity: .84; }
  .page-topics .assist-card, .page-topics .assist-panel { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
  .page-topics .cta-final { position: relative; overflow: hidden; min-block-size: 31rem; color: var(--idb-white); background: #0f574a; }
  .page-topics .cta-final > img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; opacity: .4; }
  .page-topics .cta-final::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, #0f574a 5%, rgb(15 87 74 / .82), transparent); }
  .page-topics .cta-final-inner { position: relative; z-index: 1; inline-size: min(100% - (2 * var(--idb-gutter)), var(--idb-shell)); min-block-size: 31rem; margin-inline: auto; display: flex; align-items: center; }
  .page-topics .cta-final-copy { max-inline-size: 40rem; }
  .page-topics .cta-final h2 { margin-block: 1rem; color: var(--idb-white); }
  .page-topics .cta-final p { color: rgb(255 255 255 / .82); }
  .page-topics .button-light { margin-block-start: 1.5rem; color: var(--idb-green-800); background: var(--idb-white); }
  .page-topics .wa-icon { inline-size: 1.2rem; margin-inline-end: .5rem; }
}

@media (max-width: 56rem) {
  .idb-published .menu-toggle { display: block; }
  .idb-published .nav { position: absolute; inset: var(--idb-header-height) 0 auto; display: none; padding: 1rem var(--idb-gutter) 1.5rem; border-block-end: 1px solid var(--idb-line); background: var(--idb-white); box-shadow: var(--idb-shadow); }
  .idb-published .nav.active { display: grid; }
  .idb-published .nav a { padding-block: .55rem; }
  .idb-published:not(.page-topics) .hero-inner, .idb-published .two-col, .idb-published .premium-visual, .idb-published .premium-panorama-card { grid-template-columns: 1fr; }
  .idb-published:not(.page-topics) .hero-media { max-inline-size: 44rem; }
  .idb-published .premium-visual.reverse .premium-image { order: initial; }
  .idb-published .official-related-grid, .idb-published .premium-highlights .wrap { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .idb-published .official-vita-card { grid-template-columns: 6rem minmax(0, 1fr); }
  .idb-published .official-vita-card .button { grid-column: 1 / -1; justify-self: start; }
  .page-topics .consulted-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .page-topics .category-card, .page-topics .category-card:nth-child(n) { grid-column: span 6; }
  .page-topics .assist-card, .page-topics .assist-panel { grid-template-columns: 1fr; }
}

@media (max-width: 38rem) {
  .idb-published .brand-logo { inline-size: 6rem; }
  .idb-published .principles, .idb-published .topic-grid, .idb-published .topics-grid, .idb-published .recommendations-grid, .idb-published .article-list, .idb-published .articles-grid, .idb-published .cards-grid, .idb-published .habits-grid, .idb-published .highlight-grid, .idb-published .official-related-grid, .idb-published .premium-highlights .wrap, .idb-published .footer-main, .page-topics .consulted-grid { grid-template-columns: 1fr; }
  .idb-published .official-vita-card { grid-template-columns: 1fr; }
  .idb-published .official-vita-card .button { inline-size: 100%; }
  .idb-published .footer-bottom-inner { flex-direction: column; }
  .idb-published .editorial-index .idb-toc ol { display: grid; }
  .page-topics .category-card, .page-topics .category-card:nth-child(n) { grid-column: 1 / -1; min-block-size: 22rem; }
}

/* Legal hub --------------------------------------------------------------- */
@layer components {
  .page-legal .legal-hero { padding-block: clamp(4rem, 9vw, 8rem); background: linear-gradient(135deg, var(--idb-green-50), var(--idb-white) 68%, var(--idb-blue-100)); }
  .page-legal .legal-hero__copy { display: grid; justify-items: start; gap: 1.25rem; }
  .page-legal .legal-hero h1 { max-inline-size: 12ch; }
  .page-legal .legal-hero__copy > p:not(.eyebrow, .legal-updated) { max-inline-size: 44rem; color: var(--idb-ink-650); font-size: var(--idb-step-1); }
  .page-legal .legal-updated { padding-block-start: 1rem; border-block-start: 1px solid var(--idb-line-strong); color: var(--idb-ink-650); font-size: var(--idb-step--1); }
  .page-legal .legal-index { padding-block: 2rem; border-block: 1px solid var(--idb-line); background: var(--idb-white); }
  .page-legal .legal-index .wrap { display: grid; grid-template-columns: minmax(9rem, .35fr) minmax(0, 1fr); gap: 2rem; align-items: center; }
  .page-legal .legal-index ol { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: .75rem; margin: 0; padding: 0; list-style: none; }
  .page-legal .legal-index a { min-block-size: 4.25rem; display: flex; align-items: center; gap: .75rem; padding: .9rem 1rem; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-sm); color: var(--idb-ink-800); background: var(--idb-canvas); font-weight: 700; text-decoration: none; }
  .page-legal .legal-index a:hover { border-color: var(--idb-green-600); color: var(--idb-green-800); }
  .page-legal .legal-index a span { color: var(--idb-green-700); font-size: var(--idb-step--1); }
  .page-legal .legal-section { padding-block: var(--idb-space-8); }
  .page-legal .legal-section--soft { background: var(--idb-canvas); }
  .page-legal .legal-layout { display: grid; grid-template-columns: minmax(15rem, .72fr) minmax(0, 1.28fr); gap: clamp(3rem, 8vw, 8rem); align-items: start; }
  .page-legal .legal-section__head { position: sticky; inset-block-start: calc(var(--idb-header-height) + 2rem); display: grid; justify-items: start; gap: 1rem; }
  .page-legal .legal-section__head > p:last-child { max-inline-size: 33rem; color: var(--idb-ink-650); }
  .page-legal .legal-number { color: var(--idb-line-strong); font-size: var(--idb-step-4); font-weight: 760; line-height: 1; }
  .page-legal .legal-prose { min-inline-size: 0; max-inline-size: var(--idb-reading); }
  .page-legal .legal-prose > * + * { margin-block-start: 1.25rem; }
  .page-legal .legal-prose > h3 { margin-block-start: 2.75rem; padding-block-start: 2rem; border-block-start: 1px solid var(--idb-line); font-size: var(--idb-step-2); }
  .page-legal .legal-prose > h3:first-child { margin-block-start: 0; padding-block-start: 0; border-block-start: 0; }
  .page-legal .legal-prose p { max-inline-size: 70ch; color: var(--idb-ink-650); }
  .page-legal .legal-note, .page-legal .legal-medical { display: grid; gap: .5rem; margin-block: 2rem; padding: clamp(1.25rem, 3vw, 2rem); border-inline-start: .3rem solid var(--idb-green-600); border-radius: var(--idb-radius-sm); background: var(--idb-green-50); }
  .page-legal .legal-medical { border-inline-start-color: var(--idb-blue-700); background: var(--idb-blue-100); }
  .page-legal .legal-medical h3 { font-size: var(--idb-step-2); }
  .page-legal .legal-contact { padding-block: var(--idb-space-8); background: var(--idb-ink-950); }
  .page-legal .legal-contact__card { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2rem; align-items: center; }
  .page-legal .legal-contact h2 { max-inline-size: 21ch; margin-block: .75rem; color: var(--idb-white); }
  .page-legal .legal-contact p:not(.eyebrow) { color: rgb(255 255 255 / .72); }
  .page-legal .legal-contact .eyebrow { color: #a9ddcc; }
  .page-legal .legal-contact .button { color: var(--idb-green-800); background: var(--idb-white); }
}

@media (max-width: 56rem) {
  .page-legal .legal-index .wrap, .page-legal .legal-layout { grid-template-columns: 1fr; }
  .page-legal .legal-section__head { position: static; max-inline-size: 45rem; }
}

@media (max-width: 38rem) {
  .page-legal .legal-index ol, .page-legal .legal-contact__card { grid-template-columns: 1fr; }
  .page-legal .legal-index a { min-block-size: 3.5rem; }
  .page-legal .legal-contact .button { inline-size: 100%; }
}

/* Release candidate review ------------------------------------------------ */
@layer components {
  .rc-review { background: var(--idb-canvas); }
  .rc-status-grid, .rc-component-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
  .rc-status-grid article, .rc-component-grid article { padding: 1.5rem; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .rc-status-grid strong { display: block; color: var(--idb-green-700); font-size: var(--idb-step-4); line-height: 1; }
  .rc-status-grid span, .rc-component-grid p { color: var(--idb-ink-650); }
  .rc-component-grid span { color: var(--idb-green-700); font-weight: 760; }
  .rc-component-grid h3 { margin-block: .75rem; font-size: var(--idb-step-2); }
  .rc-chrome-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 1.5rem; align-items: start; }
  .rc-page-list { display: flex; flex-wrap: wrap; gap: .5rem; margin-block-start: 1.5rem; padding: 0; list-style: none; }
  .rc-page-list li { padding: .35rem .7rem; border: 1px solid var(--idb-line); border-radius: 999px; background: var(--idb-white); font-size: var(--idb-step--1); }
  .rc-shot-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; align-items: start; }
  .rc-shot-grid figure { overflow: hidden; border: 1px solid var(--idb-line); border-radius: var(--idb-radius-md); background: var(--idb-white); }
  .rc-shot-grid img { inline-size: 100%; block-size: 30rem; object-fit: cover; object-position: top; }
  .rc-shot-grid figcaption { padding: .75rem 1rem; font-weight: 720; }
  .rc-shot-grid--mobile img { block-size: 38rem; object-fit: contain; object-position: top; background: #eef3f1; }
}

@media (max-width: 56rem) {
  .rc-status-grid, .rc-component-grid, .rc-chrome-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .rc-shot-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 38rem) {
  .rc-status-grid, .rc-component-grid, .rc-chrome-grid, .rc-shot-grid { grid-template-columns: 1fr; }
}