@font-face {
  font-family: "Inter";
  src: url("https://app.hymetry.com/static/fonts/InterVariable.woff2") format("woff2");
  font-weight: 400 700;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4 Display";
  src:
    url("../fonts/SourceSerif4Display-Regular.otf.woff2") format("woff2"),
    url("/fonts/SourceSerif4Display-Regular.otf.woff2") format("woff2");
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Serif 4 Display";
  src:
    url("../fonts/SourceSerif4Display-Semibold.otf.woff2") format("woff2"),
    url("/fonts/SourceSerif4Display-Semibold.otf.woff2") format("woff2");
  font-weight: 600;
  font-display: swap;
}

:root {
  --color-primary: #071b3a;
  --color-primary-soft: #102b5a;
  --color-text: #071b3a;
  --color-text-muted: #4b5b76;
  --color-bg: #fff;
  --color-bg-muted: #f4f7fb;
  --color-border: #e3eaf3;
  --color-accent-blue: #2f6df6;
  --color-accent-green: #39b56a;
  --color-accent-amber: #f5b84b;
  --color-accent-coral: #ef6a5a;
  --font-sans: "Inter", Arial, sans-serif;
  --font-serif: "Source Serif 4 Display", Georgia, serif;
  --shadow-soft: 0 14px 42px rgba(11, 23, 48, 0.055);
  --bg-body: var(--color-bg);
  --text-dark: var(--color-text);
  --text-body: var(--color-text-muted);
  --text-muted: #5b6a83;
  --primary-dark: var(--color-primary);
  --primary-soft: var(--color-primary-soft);
  --border-light: var(--color-border);
  --accent-blue: var(--color-accent-blue);
  --section-soft: var(--color-bg-muted);
  --card-shadow-soft: 0 8px 24px rgba(11, 23, 48, 0.04);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-x: clip;
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: clip;
  background:
    radial-gradient(circle at 70% 16%, rgba(215, 232, 250, 0.34), transparent 30%),
    radial-gradient(circle at 34% 96%, rgba(235, 240, 247, 0.62), transparent 28%),
    var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img,
svg {
  display: block;
  max-width: 100%;
}

img {
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
a {
  font: inherit;
}

a:focus-visible,
button:focus-visible,
[tabindex="0"]:focus-visible {
  border-radius: 6px;
  outline: 3px solid var(--color-accent-blue);
  outline-offset: 4px;
}

[hidden] {
  display: none !important;
}

.shell {
  width: min(calc(100% - 128px), 1400px);
  margin-inline: auto;
}

.reading-width {
  width: min(calc(100% - 40px), 760px);
  margin-inline: auto;
}

.site-header {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 42px;
  min-height: 92px;
  padding: 25px 0 18px;
}

.site-header.shell {
  width: min(calc(100% - 128px), 1910px);
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 156px;
}

.brand-logo {
  width: 156px;
  height: auto;
  flex: 0 0 auto;
}

.main-nav {
  justify-self: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 62px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 15px;
  font-weight: 500;
}

.nav-item > a,
.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 12px 0;
  margin: -12px 0;
}

.main-nav a,
.nav-dropdown__trigger,
.nav-sign-in {
  display: flex;
  align-items: center;
  min-height: 56px;
  margin: 0 -16px;
  padding: 0 16px;
  transition: color 160ms ease;
}

.main-nav a:hover,
.nav-dropdown__trigger:hover,
.nav-sign-in:hover {
  color: var(--color-accent-blue);
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown__trigger {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 44px;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-weight: 500;
}

.nav-dropdown__trigger svg {
  width: 11px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
}

.nav-dropdown__menu {
  position: absolute;
  z-index: 10;
  top: calc(100% + 18px);
  left: 50%;
  display: grid;
  width: 360px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(7, 27, 58, 0.14);
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, -5px);
  transition: opacity 150ms ease, transform 150ms ease;
}

.nav-dropdown__menu::before {
  position: absolute;
  inset: -18px 0 auto;
  height: 18px;
  content: "";
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  opacity: 1;
  pointer-events: auto;
  transform: translate(-50%, 0);
}

.nav-dropdown__menu a {
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 10px;
}

.nav-dropdown__menu a:hover,
.nav-dropdown__menu a:focus-visible {
  background: var(--color-bg-muted);
}

.nav-dropdown__menu strong {
  font-size: 14px;
}

.nav-dropdown__menu span {
  color: var(--color-text-muted);
  font-size: 12px;
  font-weight: 400;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 42px;
  font-size: 15px;
  font-weight: 500;
}

.mobile-nav {
  display: none;
}

.mobile-nav summary {
  align-items: center;
  justify-content: space-between;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  list-style: none;
}

.mobile-nav summary::-webkit-details-marker {
  display: none;
}

.mobile-nav summary svg {
  width: 12px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  transition: transform 160ms ease;
}

.mobile-nav[open] summary svg {
  transform: rotate(180deg);
}

.mobile-nav__panel {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(160px, 0.6fr);
  gap: 26px;
  margin-top: 10px;
  padding: 22px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--card-shadow-soft);
}

.mobile-nav__product > p {
  margin: 0 0 10px;
  color: var(--color-text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.mobile-nav__product > div,
.mobile-nav__primary {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 16px;
}

.mobile-nav__primary {
  grid-template-columns: 1fr;
  align-content: start;
}

.mobile-nav__panel a {
  padding: 8px 10px;
  border-radius: 7px;
  font-size: 14px;
  font-weight: 600;
}

.mobile-nav__panel a:hover,
.mobile-nav__panel a:focus-visible,
.mobile-nav__panel a[aria-current="page"] {
  background: var(--color-bg-muted);
  color: var(--color-accent-blue);
}

.button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 10px;
  min-height: 56px;
  padding: 0 31px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 500;
  line-height: 1.2;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.arrow-icon {
  width: 15px;
  height: 15px;
  flex: 0 0 auto;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(7, 27, 58, 0.14);
}

.button--primary:hover {
  background: var(--color-primary-soft);
}

.button--secondary {
  border-color: rgba(255, 255, 255, 0.42);
  background: transparent;
  color: #fff;
}

.eyebrow,
.topic-label {
  color: var(--color-accent-blue);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.09em;
  line-height: 1.35;
  text-transform: uppercase;
}

.resources-hero {
  padding-block: clamp(70px, 9vw, 126px) clamp(68px, 8vw, 108px);
  text-align: center;
}

.resources-hero .eyebrow {
  margin: 0 0 18px;
}

.resources-hero h1 {
  max-width: 850px;
  margin: 0 auto 24px;
  font-family: var(--font-serif);
  font-size: clamp(48px, 6vw, 86px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 0.98;
}

.resources-hero > p:not(.eyebrow, .preview-notice) {
  max-width: 690px;
  margin: 0 auto;
  color: var(--color-text-muted);
  font-size: clamp(18px, 2vw, 22px);
}

.preview-notice {
  max-width: 720px;
  margin: 32px auto 0;
  padding: 12px 16px;
  border: 1px solid #f0d59b;
  border-radius: 10px;
  background: #fff8e8;
  color: #654b16;
  font-size: 14px;
}

.resources-section {
  padding-block: clamp(56px, 7vw, 96px);
  border-top: 1px solid var(--color-border);
}

.section-heading {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-start;
  gap: 10px;
  margin-bottom: 34px;
}

.section-heading p,
.section-heading h2 {
  margin: 0;
}

.section-heading h2 {
  font-family: var(--font-serif);
  font-size: clamp(36px, 4vw, 54px);
  font-weight: 400;
  letter-spacing: -0.035em;
  line-height: 1;
}

.featured-grid,
.resource-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.featured-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.resource-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 18px;
  background: #fff;
  box-shadow: var(--shadow-soft);
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease;
}

.resource-card:hover {
  border-color: #cbd8e9;
  box-shadow: 0 20px 50px rgba(11, 23, 48, 0.1);
  transform: translateY(-3px);
}

.resource-card__link {
  display: flex;
  height: 100%;
  flex-direction: column;
}

.resource-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-muted);
}

.resource-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.resource-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 26px;
}

.resource-card__topline,
.article-header__topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.draft-badge {
  padding: 4px 8px;
  border: 1px solid #e7c572;
  border-radius: 999px;
  background: #fff7dc;
  color: #765617;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.resource-card h2 {
  margin: 18px 0 12px;
  font-family: var(--font-serif);
  font-size: 30px;
  font-weight: 600;
  letter-spacing: -0.025em;
  line-height: 1.08;
}

.resource-card__description {
  margin: 0 0 24px;
  color: var(--color-text-muted);
  line-height: 1.55;
}

.resource-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 5px 9px;
  margin: auto 0 0;
  color: #62718a;
  font-size: 12px;
}

.topic-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: -10px 0 32px;
}

.topic-filters button {
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 14px;
}

.topic-filters button[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #fff;
}

.filter-status {
  width: 1px;
  height: 1px;
  overflow: hidden;
  position: absolute;
  clip: rect(0 0 0 0);
}

.resources-final-cta {
  padding-block: clamp(70px, 9vw, 120px);
}

.resource-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 48px;
  padding: clamp(34px, 5vw, 64px);
  border-radius: 22px;
  background: var(--color-primary);
  color: #fff;
}

.resource-cta .eyebrow {
  margin: 0 0 12px;
  color: #9cc0ff;
}

.resource-cta h2,
.article-content .resource-cta h2 {
  margin: 0 0 12px;
  color: #fff;
  font-family: var(--font-serif);
  font-size: clamp(32px, 4vw, 48px);
  font-weight: 400;
  letter-spacing: -0.03em;
  line-height: 1.05;
}

.resource-cta p:not(.eyebrow) {
  max-width: 680px;
  margin: 0;
  color: #c6d2e5;
}

.resource-cta__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
}

.resource-cta .button {
  color: #fff;
  text-decoration: none;
}

.resource-cta .button--primary {
  background: #fff;
  color: var(--color-primary);
}

.breadcrumbs {
  padding-top: 40px;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-muted);
  font-size: 14px;
}

.breadcrumbs li:not(:last-child)::after {
  margin-left: 8px;
  color: #9aa7ba;
  content: "/";
}

.breadcrumbs a {
  text-decoration: underline;
  text-decoration-color: #c9d4e4;
  text-underline-offset: 3px;
}

.article-header {
  padding-block: clamp(68px, 8vw, 108px) clamp(50px, 7vw, 82px);
  text-align: center;
}

.article-header__topline {
  justify-content: center;
}

.article-header h1 {
  margin: 22px -14vw 26px;
  font-family: var(--font-serif);
  font-size: clamp(46px, 6vw, 78px);
  font-weight: 400;
  letter-spacing: -0.045em;
  line-height: 1;
}

.article-summary {
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.55;
}

.article-byline {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px 10px;
  margin: 28px 0 0;
  color: #62718a;
  font-size: 13px;
}

.article-hero {
  max-width: 1160px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-bg-muted);
}

.article-hero img {
  width: 100%;
}

.article-hero figcaption {
  padding: 13px 20px 15px;
  border-top: 1px solid var(--color-border);
  background: #fff;
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
}

.article-layout {
  --article-layout-gap: clamp(36px, 5vw, 72px);
  position: relative;
  display: grid;
  grid-template-columns: minmax(180px, 230px) minmax(0, 760px) minmax(0, 230px);
  gap: var(--article-layout-gap);
  padding-block: clamp(56px, 7vw, 92px);
}

.article-content {
  grid-column: 2;
  width: 100%;
  max-width: 760px;
  min-width: 0;
  margin-inline: auto;
}

.article-toc {
  position: sticky;
  top: 28px;
  align-self: start;
  display: grid;
  gap: 12px;
  max-height: calc(100vh - 56px);
  overflow: auto;
  padding: 20px;
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #fff;
  scrollbar-gutter: stable;
}

.article-toc h2 {
  margin: 0;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.04em;
  line-height: 1.4;
  text-transform: uppercase;
}

.article-toc ol {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--color-text-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.45;
}

.article-toc a {
  display: block;
}

.article-toc a:hover {
  color: var(--color-accent-blue);
}

.article-content > :first-child {
  margin-top: 0;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  scroll-margin-top: 28px;
  color: var(--color-text);
}

.article-content h2 {
  margin: 70px 0 22px;
  font-family: var(--font-serif);
  font-size: clamp(34px, 4vw, 46px);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.08;
}

.article-content h3 {
  margin: 42px 0 15px;
  font-size: 22px;
  line-height: 1.25;
}

.article-content h4 {
  margin: 34px 0 12px;
  font-size: 17px;
}

.article-content p,
.article-content li {
  color: #243650;
  font-size: 18px;
  line-height: 1.78;
}

.article-content p {
  margin: 0 0 24px;
}

.article-content ul,
.article-content ol {
  display: grid;
  gap: 9px;
  margin: 0 0 28px;
  padding-left: 25px;
}

.article-content a {
  overflow-wrap: anywhere;
  color: #174fae;
  font-weight: 500;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.article-content code {
  padding: 0.1em 0.3em;
  border-radius: 4px;
  background: #edf2f8;
  font-size: 0.88em;
}

.direct-answer,
.content-block {
  margin: 0 0 34px;
  padding: 26px 28px;
  border: 1px solid #cfdcf0;
  border-left: 4px solid var(--color-accent-blue);
  border-radius: 12px;
  background: #f3f7ff;
}

.direct-answer h2,
.content-block h3 {
  margin: 0 0 10px;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.direct-answer p:last-child,
.content-block p:last-child,
.content-block ul:last-child,
.content-block ol:last-child {
  margin-bottom: 0;
}

.content-block--definition {
  border-left-color: #7b66d9;
  background: #f7f4ff;
}

.content-block--formula {
  border-left-color: var(--color-accent-green);
  background: #effaf3;
}

.content-block--formula p {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
  font-size: 16px;
}

.content-block--calculation strong {
  color: #14603a;
}

.content-block--example {
  border-left-color: #5a9fe0;
  background: #f4f9fd;
}

.content-block--note {
  border-left-color: #5a9fe0;
  background: #f4f9fd;
}

.content-block--warning {
  border-color: #f1d79f;
  border-left-color: var(--color-accent-amber);
  background: #fff9ec;
}

.content-block--checklist .checklist {
  padding-left: 0;
  list-style: none;
}

.content-block--checklist .checklist li {
  position: relative;
  padding-left: 30px;
}

.content-block--checklist .checklist li::before {
  position: absolute;
  top: 0.52em;
  left: 0;
  width: 18px;
  height: 18px;
  border: 2px solid var(--color-accent-green);
  border-radius: 4px;
  content: "";
}

.article-quote {
  margin: 42px 0;
  padding: 0 0 0 26px;
  border-left: 3px solid var(--color-primary);
}

.article-quote blockquote {
  margin: 0;
}

.article-quote p {
  color: var(--color-text);
  font-family: var(--font-serif);
  font-size: 27px;
  line-height: 1.4;
}

.article-quote cite {
  color: var(--color-text-muted);
  font-size: 14px;
  font-style: normal;
}

.wide-content {
  width: min(
    960px,
    calc(100% + var(--article-layout-gap) + var(--article-layout-gap) - 24px),
    calc(100vw - 40px)
  );
  margin: 38px 0;
}

.content-block .wide-content {
  width: calc(100% + 32px);
  margin: 22px -16px 0;
  transform: none;
}

.table-scroll,
.code-scroll {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
}

.article-content .table-label {
  width: min(
    960px,
    calc(100% + var(--article-layout-gap) + var(--article-layout-gap) - 24px),
    calc(100vw - 40px)
  );
  margin: 38px 0 -27px;
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  font-size: 15px;
}

caption {
  padding: 16px 18px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text);
  font-weight: 700;
  text-align: left;
}

.table-scroll--captioned table {
  min-width: 660px;
}

.table-scroll--columns-3 table {
  min-width: 840px;
}

.table-scroll--columns-4 table {
  min-width: 1080px;
}

.table-scroll--columns-8 table {
  min-width: 1280px;
}

.table-scroll--captioned caption span {
  position: sticky;
  left: 18px;
  display: block;
  width: min(900px, calc(100vw - 76px));
}

.table-scroll--captioned th + th,
.table-scroll--captioned td + td {
  border-left: 1px solid var(--color-border);
}

th,
td {
  padding: 15px 18px;
  border-bottom: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--color-bg-muted);
  color: var(--color-text);
  font-weight: 700;
}

tbody tr:last-child td {
  border-bottom: 0;
}

.code-scroll pre {
  min-width: max-content;
  margin: 0;
  padding: 22px;
}

.figure-scroll {
  overflow-x: auto;
  border-radius: 12px;
}

.figure-scroll--responsive picture {
  display: block;
}

.figure-scroll img {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg-muted);
}

.article-figure figcaption {
  margin-top: 11px;
  color: var(--color-text-muted);
  font-size: 13px;
  text-align: center;
}

.article-figure figcaption span {
  display: block;
  margin-top: 3px;
}

.article-content .resource-cta--compact {
  width: min(960px, calc(100vw - 40px));
  margin: 50px 50%;
  transform: translateX(-50%);
}

.article-after {
  padding-bottom: clamp(72px, 9vw, 120px);
}

.article-after > .resource-cta {
  width: min(1100px, calc(100vw - 40px));
  margin: 0 50%;
  transform: translateX(-50%);
}

.related-guides,
.about-hymetry {
  margin-top: 82px;
  padding-top: 70px;
  border-top: 1px solid var(--color-border);
}

.related-guides > h2,
.about-hymetry h2 {
  margin: 8px 0 26px;
  font-family: var(--font-serif);
  font-size: 38px;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.related-guides__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.related-guides__grid--single {
  grid-template-columns: minmax(0, 1fr);
  max-width: 520px;
}

.related-guides__grid--pair {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.related-guides__grid article {
  border: 1px solid var(--color-border);
  border-radius: 14px;
  background: #fff;
}

.related-guides__grid a {
  display: flex;
  height: 100%;
  flex-direction: column;
  padding: 22px;
}

.related-guides__grid h3 {
  margin: 13px 0 10px;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.15;
}

.related-guides__grid p {
  margin: 0 0 18px;
  color: var(--color-text-muted);
  font-size: 14px;
}

.text-link {
  margin-top: auto;
  color: #174fae;
  font-size: 14px;
  font-weight: 600;
}

.about-hymetry {
  max-width: 680px;
}

.about-hymetry h2 {
  margin-bottom: 16px;
  font-size: 30px;
}

.about-hymetry p {
  margin: 0;
  color: var(--color-text-muted);
  font-size: 17px;
}

.site-footer {
  padding-block: 68px 48px;
  border-top: 1px solid var(--color-border);
  background: #fff;
}

.footer-grid.shell {
  display: grid;
  grid-template-columns: minmax(220px, 1.2fr) repeat(5, minmax(110px, 1fr));
  width: min(calc(100% - 40px), 1280px);
  gap: clamp(24px, 3vw, 46px);
}

.footer-brand > p {
  max-width: 250px;
  margin: 22px 0 0;
  color: var(--color-text-muted);
  font-size: 14px;
}

.footer-brand .copyright {
  margin-top: 36px;
  font-size: 12px;
}

.footer-column h2,
.footer-column h3 {
  margin: 0 0 14px;
  font-size: 13px;
  font-weight: 800;
  text-transform: uppercase;
}

.footer-links {
  display: grid;
  gap: 10px;
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-links a {
  font-weight: 500;
  line-height: 1.5;
}

.footer-links a:hover {
  color: var(--color-accent-blue);
}

@media (max-width: 1500px) {
  .site-header.shell {
    width: min(calc(100% - 64px), 1280px);
  }

  .site-header {
    gap: 26px;
  }

  .main-nav ul {
    gap: 30px;
  }
}

@media (max-width: 1180px) {
  .article-layout {
    display: block;
  }

  .article-toc {
    position: static;
    max-height: none;
    margin-bottom: 44px;
  }

  .wide-content {
    width: min(960px, calc(100vw - 40px));
    margin-inline: 50%;
    transform: translateX(-50%);
  }

  .article-content .table-label {
    width: min(960px, calc(100vw - 40px));
    margin-inline: 50%;
    transform: translateX(-50%);
  }

  .footer-grid.shell {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 1120px) {
  .shell {
    width: min(calc(100% - 64px), 1400px);
  }

  .site-header.shell {
    width: min(calc(100% - 32px), 720px);
  }

  .site-header {
    grid-template-columns: auto 1fr;
  }

  .main-nav {
    display: none;
  }

  .mobile-nav {
    display: block;
    margin-top: -8px;
    padding-bottom: 16px;
  }

  .mobile-nav summary {
    display: flex;
  }

  .nav-actions {
    justify-self: end;
  }

  .resource-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .featured-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-grid.shell {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-brand {
    grid-column: span 3;
  }
}

@media (max-width: 780px) {
  .shell {
    width: min(calc(100% - 40px), 1400px);
  }

  .site-header.shell {
    width: min(calc(100% - 32px), 720px);
  }

  .site-header {
    min-height: 78px;
    padding-block: 16px;
  }

  .nav-sign-in {
    display: none;
  }

  .nav-actions .button {
    min-height: 42px;
    padding: 10px 14px;
    font-size: 13px;
  }

  .resources-hero h1 {
    font-size: clamp(44px, 13vw, 66px);
  }

  .featured-grid,
  .resource-grid {
    grid-template-columns: 1fr;
  }

  .resource-cta {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .resource-cta__actions {
    justify-content: flex-start;
  }

  .article-header h1 {
    margin-inline: 0;
    font-size: clamp(43px, 12vw, 62px);
  }

  .article-layout {
    display: block;
    padding-top: 32px;
  }

  .article-toc {
    position: static;
    max-height: none;
    margin-bottom: 44px;
  }

  .article-content p,
  .article-content li {
    font-size: 17px;
  }

  .wide-content,
  .article-content .resource-cta--compact {
    width: calc(100vw - 40px);
  }

  .figure-scroll img {
    min-width: 720px;
  }

  .figure-scroll--responsive img {
    min-width: 0;
  }

  .related-guides__grid {
    grid-template-columns: 1fr;
  }

  .footer-grid.shell {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-brand {
    grid-column: span 2;
  }
}

@media (max-width: 900px) {
  .footer-grid.shell {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 520px) {
  .brand,
  .brand img {
    width: 132px;
  }

  .mobile-nav__panel {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 18px;
  }

  .resources-hero {
    padding-block: 56px 72px;
  }

  .section-heading {
    display: block;
  }

  .section-heading .eyebrow {
    margin-bottom: 9px;
  }

  .resource-card__body {
    padding: 22px;
  }

  .resource-card h2 {
    font-size: 27px;
  }

  .article-header {
    padding-top: 54px;
  }

  .article-byline {
    gap: 3px 7px;
  }

  .direct-answer,
  .content-block {
    padding: 22px;
  }

  .article-quote p {
    font-size: 23px;
  }

  .resource-cta__actions,
  .resource-cta .button {
    width: 100%;
  }

  .footer-grid.shell {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .article-toc {
    padding: 18px;
    border-radius: 12px;
  }

  .footer-grid.shell {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}