/* ==========================================================================
   1. Custom Properties
   ========================================================================== */

:root {
  /* Brand colors */
  --rose: #cd706f;
  --rose-light: #e9cbc4;
  --pink: #d16994;
  --pink-light: #eac8cf;
  --purple: #9272a3;
  --purple-light: #d7cbd4;
  --blue: #758bbc;
  --blue-light: #ced3db;
  --teal: #4a93b9;
  --teal-light: #c1d5db;
  --sage: #6b9476;
  --sage-light: #cbd6c6;
  --lime: #7d9438;
  --lime-light: #d0d5b4;
  --rust: #bd7d35;
  --rust-light: #e4ceb3;
  --neutral: #918b77;
  --neutral-light: #e8e6e2;
  --yellow: #fac663;
  --yellow-light: #f6e1ba;
  --link: #294991;
  --link-hover: #1a2f5e;
  --visited-link: #673d7d;
  --footer-black: #403e3d; /* reference only — used in styleguide */
  --black: #1c1918;
  --white: #F5F2EA;
  --offwhite: #f5f2e9;
  --offwhite-light: #fcfbf8;
  --gray-light: #eee;
  --gray-dark: #666;
  --gray-accessible: #a9a9a9; /* reference only — used in styleguide */

  /* Theme tokens (light default) */
  --background-color: #ffffff;
  --text-color: var(--black);
  --border-color: var(--black);
  --highlight-bg: var(--yellow);
  --highlight-border: var(--black);
  --skip-bg: var(--text-color);
  --skip-text: var(--white);
  --focus-bg: var(--black);
  --focus-text: var(--white);
  --focus-border: var(--black);
  --caption-color: #636363;
  --error-color: #b91c1c;

  /* Border */
  --border-width: 3px;
  --border-radius: var(--border-radius);

  /* Typography */
  --text-base-size: clamp(1rem, 1.5vw + 0.75rem, 1.375rem);
  --text-line-height: 1.5;
  --heading-1-scale: 2.2;
  --heading-2-scale: 1.65;
  --heading-3-scale: 1.35;
  --heading-4-scale: 1.15;
  --heading-5-scale: 1.05;
  --heading-6-scale: 1;
  --heading-line-height: 1.25;

  /* Layout */
  --container-max-width: 71.25rem;
  --hr-margin: 4rem;

  /* Callout icons */
  --callout-line-width: 6px;
  --callout-icon-gap: 40px;
  --callout-icon-top: 1.9rem;
  --callout-icon-left: -0.51rem;
  --callout-icon-width: 1.4rem;
  --callout-icon-height: 1.4rem;
  --callout-icon-scale: 1.3;
  --callout-gap-center: 2.62rem;
  --callout-gap-start: calc(
    var(--callout-gap-center) - var(--callout-icon-gap) / 2
  );
  --callout-gap-end: calc(
    var(--callout-gap-center) + var(--callout-icon-gap) / 2
  );
  --callout-mobile-icon-top: 2rem;
  --callout-mobile-icon-left: -0.5rem;
  --callout-mobile-icon-scale: 1.2;
  --callout-mobile-gap-center: 2.7rem;
  --callout-mobile-gap-start: calc(
    var(--callout-mobile-gap-center) - var(--callout-icon-gap) / 2
  );
  --callout-mobile-gap-end: calc(
    var(--callout-mobile-gap-center) + var(--callout-icon-gap) / 2
  );

  /* 12-column grid system */
  --grid-gutter: 2.5rem;
  --grid-gutter-mobile: 1.5rem;
  --grid-margin-top: 4rem;
  --grid-margin-bottom: 2rem;
  --grid-mobile-breakpoint: 768px;
  --grid-tablet-breakpoint: 900px;
  --grid-header-margin-top: 2rem;
  --grid-header-margin-top-first: 4rem;
  --grid-paragraph-margin: 4rem;

}

/* ==========================================================================
   2. Reset & Base Elements
   ========================================================================== */

* {
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  font-size: var(--text-base-size);
  line-height: var(--text-line-height);
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

main {
  flex: 1;
}

strong,
b {
  font-weight: 600;
}

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-thickness: auto;
  text-underline-offset: 2px;
  transition: text-decoration-thickness 0.15s ease, color 0.15s ease;
}

a:hover {
  text-decoration-thickness: 3px;
  color: var(--link-hover);
}

a:visited {
  color: var(--visited-link);
}

hr {
  margin-top: var(--hr-margin);
  margin-bottom: var(--hr-margin);
  border: none;
  border-top: 1px solid var(--text-color);
  opacity: 0.2;
}

ul {
  margin-left: 0;
  list-style-position: outside;
}

.page-legal ul {
  margin-left: 0;
  list-style-position: inside;
}

main h1 {
  font-size: calc(var(--text-base-size) * var(--heading-1-scale));
  line-height: var(--heading-line-height);
  font-weight: 800;
  margin-top: 0;
  word-break: break-word;
  overflow-wrap: anywhere;
}

main h2 {
  font-size: calc(var(--text-base-size) * var(--heading-2-scale));
  line-height: var(--heading-line-height);
  font-weight: 700;
}

main h3 {
  font-size: calc(var(--text-base-size) * var(--heading-3-scale));
  line-height: var(--text-line-height);
  font-weight: 600;
  margin-bottom: 0.5em;
}

main h4 {
  font-size: calc(var(--text-base-size) * var(--heading-4-scale));
  line-height: 1.5;
  font-weight: 600;
}

main h5 {
  font-size: calc(var(--text-base-size) * var(--heading-5-scale));
  line-height: 1.5;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
}

main h6 {
  font-size: calc(var(--text-base-size) * var(--heading-6-scale));
  line-height: 1.5;
  font-weight: 600;
  margin-top: 1.5rem;
  margin-bottom: 0.5rem;
  color: var(--gray-dark);
}

main p,
main ul,
main ol {
  font-size: var(--text-base-size);
  line-height: var(--text-line-height);
  margin-bottom: 1.25rem;
}

main li {
  margin-bottom: 0.5rem;
  padding-left: 0.1rem;
}

img {
  display: block;
  max-width: 100%;
  width: 100%;
  height: auto;
  margin-left: 0;
  margin-right: auto;
  border-radius: var(--border-radius);
}

button {
  padding: 0.5em 1em;
}

button.black {
  border: var(--border-width) solid var(--black);
}

/* ==========================================================================
   3. Accessibility Utilities
   ========================================================================== */

.skip {
  position: absolute;
  left: -999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.skip:focus {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--skip-bg);
  color: var(--skip-text);
  text-align: center;
  font-weight: 400;
  z-index: 9999;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

.visually-hidden {
  position: absolute !important;
  height: 1px;
  width: 1px;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  white-space: nowrap;
}

/* ==========================================================================
   4. Container & Main Layout
   ========================================================================== */

.container,
main {
  max-width: var(--container-max-width);
  width: 100%;
  margin: 0 auto;
  padding: 1.5rem;
  box-sizing: border-box;
}

main {
  max-width: 65ch;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

@media (max-width: 768px) {
  .container,
  main {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ==========================================================================
   5. Site Header
   ========================================================================== */

.site-header {
  padding-top: 2rem;
}

.header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.theme-toggle-button .toggle-icon.material-symbols-outlined {
  display: inline;
  font-size: 1.25rem;
  vertical-align: middle;
  position: relative;
  top: -2px;
}

.menu-toggle {
  display: none;
}

.logo-group {
  display: flex;
  align-items: flex-start;
  flex-wrap: nowrap;
  gap: 70px;
}

.site-logo {
  height: 3.5rem;
  width: auto;
  display: block;
  margin: 0;
  margin-bottom: -6px;
}

.site-nav {
  padding: 0;
  margin-left: auto;
}

.site-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-nav li {
  margin: 0;
  list-style: none;
}

.site-nav a {
  font-size: 1.25rem;
  color: var(--link);
  padding: 0.25em 0.5em;
  border: var(--border-width) solid transparent;
  border-radius: var(--border-radius);
  line-height: 1.2;
}

.site-nav a:visited {
  color: var(--visited-link);
}

.site-nav a[aria-current="page"] {
  color: var(--text-color);
  background-color: transparent;
  border-color: var(--text-color);
  text-decoration: none;
}

a:focus-visible,
.site-nav a:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
  border-radius: var(--border-radius);
  text-decoration: none !important;
}

a:focus-visible::after {
  outline: none;
}

@media (max-width: 768px) {
  .site-header {
    padding-top: 0.5rem;
  }

  .header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
  }

  .header-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
  }

  .icon-button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0;
    background: transparent;
    border: 2px solid var(--text-color);
    border-radius: var(--border-radius);
    color: var(--text-color);
    cursor: pointer;
  }

  .icon-button:focus-visible {
    outline: 2px solid var(--text-color);
    outline-offset: 3px;
  }

  .icon-button .material-symbols-outlined {
    font-size: 1.5rem;
  }

  .theme-toggle-button.icon-button .toggle-label {
    display: none;
  }

  .theme-toggle-button.icon-button .toggle-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
  }

  .theme-toggle-button.icon-button[aria-pressed="true"] {
    background: transparent;
    color: var(--text-color);
  }

  .menu-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    width: 100%;
    order: 3;
  }

  .site-nav.is-open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding-top: 1rem;
  }

  .site-nav a {
    font-size: 1.25rem;
  }

  .logo-group {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-logo {
    height: 3rem;
    margin: 0;
  }
}

/* ==========================================================================
   6. Site Footer
   ========================================================================== */

.footer-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem 2rem;
}

.site-footer {
  color: var(--text-color);
  padding: 0 0 5rem 0;
  margin-top: var(--hr-margin);
}

.site-footer .footer-row {
  border-top: 1px solid color-mix(in srgb, var(--text-color) 20%, transparent);
  padding-top: 2rem;
}

.site-footer a {
  color: var(--link);
}

.site-footer a:visited {
  color: var(--visited-link);
}

.site-footer a:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 1.5rem;
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav a {
  font-size: 1.25rem;
}

.footer-nav a:visited {
  color: var(--visited-link);
}

.footer-legal p {
  font-size: 1rem;
  text-align: right;
  color: var(--text-color);
  margin: 0;
  padding: 0;
  white-space: normal;
}

@media (max-width: 768px) {
  .footer-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.5rem;
  }

  .footer-nav ul {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 0;
  }

  .footer-legal p {
    text-align: left;
    white-space: normal;
    overflow-wrap: break-word;
  }
}

/* ==========================================================================
   7. Theme Toggle
   ========================================================================== */

.theme-toggle-form {
  margin: 0;
  padding: 0;
  display: flex;
  align-items: center;
  align-self: center;
  margin-left: auto;
}

.theme-toggle-button {
  font-size: 1.125rem;
  line-height: 1.2;
  padding: 0.25em 0.5em;
  background-color: var(--text-color);
  border: 2px solid var(--text-color);
  border-radius: var(--border-radius);
  color: var(--background-color);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.theme-toggle-button:hover {
  background-color: transparent;
  color: var(--text-color);
}

.theme-toggle-button:focus {
  outline: none;
}

.theme-toggle-button:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

.theme-toggle-button.footer-style {
  border-color: var(--white);
  color: var(--white);
}

.theme-toggle-button.footer-style:hover {
  background-color: var(--white);
  color: var(--black);
}

.theme-toggle-button.footer-style:focus-visible {
  outline: 2px solid var(--white);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

@media (max-width: 768px) {
  .theme-toggle-form {
    align-self: flex-start;
    margin-left: 0;
  }
}

/* ==========================================================================
   8. Link Icons
   ========================================================================== */

a[target="_blank"]::after,
a[rel*="external"]::after,
a[href^="mailto:"]::after,
a[href*="/glossary"]::after,
a[href$=".pdf"]::after,
a[href$=".doc"]::after,
a[href$=".docx"]::after,
a[href$=".xls"]::after,
a[href$=".xlsx"]::after,
a[href$=".ppt"]::after,
a[href$=".pptx"]::after,
a[href$=".zip"]::after,
a[href$=".rar"]::after,
a[href$=".tar"]::after,
a[href$=".gz"]::after,
a[download]::after,
a.link-external::after,
a.link-email::after {
  content: "";
  display: inline-block;
  width: 1em;
  height: 1em;
  margin-left: 0.1em;
  margin-right: 0.15em;
  background-color: currentColor;
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  vertical-align: middle;
  transform: scale(0.8);
  white-space: nowrap;
}

a[target="_blank"]::after,
a[rel*="external"]::after,
a.link-external::after {
  mask-image: url("/assets/images/icons/window.svg");
  -webkit-mask-image: url("/assets/images/icons/window.svg");
}

a[href^="mailto:"]::after,
a.link-email::after {
  mask-image: url("/assets/images/icons/mail.svg");
  -webkit-mask-image: url("/assets/images/icons/mail.svg");
}

a[href*="/glossary"]::after {
  mask-image: url("/assets/images/icons/glossary.svg");
  -webkit-mask-image: url("/assets/images/icons/glossary.svg");
}

a[href$=".pdf"]::after,
a[href$=".doc"]::after,
a[href$=".docx"]::after,
a[href$=".xls"]::after,
a[href$=".xlsx"]::after,
a[href$=".ppt"]::after,
a[href$=".pptx"]::after,
a[href$=".zip"]::after,
a[href$=".rar"]::after,
a[href$=".tar"]::after,
a[href$=".gz"]::after,
a[download]::after {
  mask-image: url("/assets/images/icons/download.svg");
  -webkit-mask-image: url("/assets/images/icons/download.svg");
}

/* Table of contents */
.toc-list {
  list-style: none;
  padding-left: 0;
}

.toc-list li {
  margin-bottom: 0.5rem;
}

a.toc-link {
  display: inline-flex;
  align-items: flex-start;
  gap: 0.4rem;
  line-height: 1.4;
  white-space: normal;
  overflow-wrap: break-word;
  color: var(--link);
}

a.toc-link:visited {
  color: var(--visited-link);
}

.toc-icon {
  flex-shrink: 0;
  width: 1em;
  height: 1em;
  background-color: currentColor;
  mask-image: url("/assets/images/icons/top.svg");
  -webkit-mask-image: url("/assets/images/icons/top.svg");
  mask-size: contain;
  mask-repeat: no-repeat;
  mask-position: center;
  -webkit-mask-size: contain;
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  transform: rotate(90deg) scale(0.8);
  margin-top: 0.2em;
}

/* ==========================================================================
   9. Typography Utilities
   ========================================================================== */

.h-small {
  font-size: calc(var(--text-base-size) * 1);
  font-weight: 400;
  margin-bottom: 2rem;
}

strong:target {
  color: var(--text-color);
  background-color: var(--highlight-bg);
  border: var(--border-width) solid var(--highlight-border);
  padding: 4px 5px 5px;
  outline: none;
  scroll-margin-top: 40vh;
  border-radius: var(--border-radius);
}

.highlight {
  background-color: var(--highlight-bg);
  color: var(--text-color);
  padding: 2px 5px 3px;
  border-radius: var(--border-radius);
  font-weight: 700;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
}

.summary {
  font-size: calc(var(--text-base-size) * 1.5);
  line-height: 1.5;
  margin-bottom: 2rem;
  width: 100%;
}

@media (min-width: 768px) {
  .summary {
    width: 60%;
    max-width: 900px;
  }
}

.caption {
  font-size: 1rem !important;
  font-weight: 400;
  line-height: 1.4;
  margin-top: 0.5em;
  margin-bottom: 1em;
  color: var(--caption-color);
}

/* ==========================================================================
   10. Page Headers & Content Layouts
   ========================================================================== */

/* Header with image */
.header-with-image {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gutter);
  margin-bottom: 3rem;
}

.header-content {
  grid-column: 1 / span 8;
}

.header-image {
  grid-column: 9 / -1;
}

.header-content .summary {
  width: 100%;
  max-width: none;
}

.header-image img {
  width: 100%;
  height: auto;
  display: block;
}

.header-image.header-image-medium {
  max-width: 325px;
}

.header-with-image.image-right .header-image {
  grid-column: 1 / span 4;
  grid-row: 1;
}

.header-with-image.image-right .header-content {
  grid-column: 5 / -1;
  grid-row: 1;
}

@media (max-width: 768px) {
  .header-with-image {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .header-content,
  .header-image {
    grid-column: 1;
  }

  .header-image {
    order: -1;
  }

  .header-image.header-image-medium {
    max-width: 220px;
  }
}

/* Content with image */
.content-with-image {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gutter);
  align-items: start;
  margin: 2rem 0;
}

.content-with-image > .content {
  grid-column: 1 / span 8;
}

.content-with-image .summary {
  width: 100%;
  max-width: none;
}

.content-image {
  grid-column: 9 / -1;
  margin: 0;
}

.content-with-image.image-right .content-image {
  grid-column: 1 / span 4;
  grid-row: 1;
}

.content-with-image.image-right > .content {
  grid-column: 5 / -1;
  grid-row: 1;
}

@media (max-width: 800px) {
  .content-with-image {
    grid-template-columns: 1fr;
    gap: var(--grid-gutter-mobile);
  }

  .content-with-image > .content,
  .content-image {
    grid-column: 1;
    width: 100%;
  }

  .content-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
  }
}

/* ==========================================================================
   11. Grid Layouts
   ========================================================================== */

/* Column icons */
.column-icon {
  display: block;
  width: 5rem;
  height: auto;
  margin-right: auto;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
}

/* Three-column (4:4:4) */
.three-column {
  font-size: var(--text-base-size);
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  row-gap: var(--grid-gutter);
  margin: var(--grid-margin-top) 0 var(--grid-margin-bottom) 0;
}

.three-column * {
  font-size: inherit;
}

.three-column strong {
  margin-top: 1rem;
}

.three-column > * {
  grid-column: span 4;
  padding-right: calc(var(--grid-gutter) / 2);
}

.three-column h3,
.three-column h4,
.three-column h5,
.three-column strong {
  display: block;
  margin-top: 2rem;
}

.three-column > * > h3:first-child,
.three-column > * > h4:first-child,
.three-column > * > h5:first-child,
.three-column > * > strong:first-child {
  margin-top: var(--grid-header-margin-top-first);
}

.three-column p:not(:last-child) {
  margin-bottom: var(--grid-paragraph-margin);
}

.three-column img + .caption {
  margin-top: 0.75em;
}

@media (max-width: 767px) {
  .three-column {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: var(--grid-gutter-mobile);
  }

  .three-column > * {
    grid-column: 1;
  }
}

/* Brand grid (3:3:3:3) */
.brand-grid {
  --logo-scale: 1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  row-gap: 140px;
  align-items: center;
  justify-items: center;
  max-width: 1200px;
  margin: 6rem auto;
}

.brand-grid img {
  grid-column: span 3;
  width: 100%;
  max-width: calc(150px * var(--logo-scale));
  height: auto;
  display: block;
  margin: 0 auto;
  filter: grayscale(1);
  opacity: 0.75;
}

.brand-grid img:nth-child(4n+1) {
  justify-self: start;
}

.brand-grid img:nth-child(4n) {
  justify-self: end;
}

@media (max-width: 768px) {
  .brand-grid {
    grid-template-columns: repeat(2, 1fr);
    column-gap: var(--grid-gutter-mobile);
    row-gap: 60px;
  }

  .brand-grid img {
    grid-column: span 1;
    max-width: 120px;
  }

  .brand-grid img:nth-child(4n+1),
  .brand-grid img:nth-child(4n),
  .brand-grid img:nth-child(2n+1),
  .brand-grid img:nth-child(2n) {
    justify-self: center;
    margin: 0 auto;
  }
}

/* Certification grid (2:10) */
.certification-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  row-gap: 5rem;
  align-items: start;
  margin-top: 5rem;
}

.certification-grid .logo-sm {
  grid-column: 1 / span 2;
  margin: 0;
  align-self: start;
  max-width: 120px;
  min-width: 80px;
  width: 100%;
  height: auto;
  filter: grayscale(1);
  opacity: 0.75;
}

.certification-grid > div {
  grid-column: 3 / -1;
}

.certification-grid h3 {
  margin-top: -0.5rem;
  margin-bottom: 0.25rem;
}

.certification-grid h4 {
  margin-top: 0;
  margin-bottom: 1rem;
  line-height: 1.3;
}

.certification-grid p {
  margin-bottom: 1rem;
}

.certification-grid p:last-child {
  margin-bottom: 2rem;
}

.certification-grid a:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

@media screen and (max-width: 768px) {
  .certification-grid {
    grid-template-columns: repeat(6, 1fr);
    column-gap: var(--grid-gutter-mobile);
    row-gap: 2rem;
  }

  .certification-grid .logo-sm {
    grid-column: 1 / span 1;
  }

  .certification-grid > div {
    grid-column: 2 / -1;
  }

  .certification-grid h4 {
    text-align: left;
  }
}

@media screen and (min-width: 769px) and (max-width: 1024px) {
  .certification-grid .logo-sm {
    grid-column: 1 / span 3;
  }

  .certification-grid > div {
    grid-column: 4 / -1;
  }
}

/* Testimonials */
.testimonial-grid {
  columns: 2;
  column-gap: var(--grid-gutter);
  margin: var(--grid-margin-top) 0 var(--grid-margin-bottom) 0;
}

.testimonial-grid .testimonial {
  break-inside: avoid;
  margin-bottom: 3.5rem;
}

@media screen and (max-width: 768px) {
  .testimonial-grid {
    columns: 1;
  }
}

.testimonial blockquote {
  margin: 0;
  padding: 0;
  quotes: "\201C" "\201D";
  text-indent: -0.45em;
}

.testimonial blockquote::before {
  content: open-quote;
}

.testimonial blockquote::after {
  content: close-quote;
}

.testimonial blockquote + .testimonial-attribution {
  margin-top: 1em;
}

.testimonial-attribution {
  font-size: 1rem;
  font-weight: 400;
  color: var(--gray-dark);
}

/* ==========================================================================
   12. Callouts
   ========================================================================== */

.callout-neutral,
.callout-rust,
.callout-teal,
.callout-sage,
.callout-blue,
.callout-purple {
  border: none;
  padding: 1.5rem 5rem 0.75rem 2.5rem;
  margin: 2rem 0;
  position: relative;
}

.callout-neutral::before,
.callout-rust::before,
.callout-teal::before,
.callout-sage::before,
.callout-blue::before,
.callout-purple::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: var(--callout-line-width);
  background: linear-gradient(
    to bottom,
    var(--callout-line-color) 0%,
    var(--callout-line-color) var(--callout-gap-start),
    transparent var(--callout-gap-start),
    transparent var(--callout-gap-end),
    var(--callout-line-color) var(--callout-gap-end),
    var(--callout-line-color) 100%
  );
}

.callout-neutral { --callout-line-color: var(--neutral); }
.callout-rust { --callout-line-color: var(--rust); }
.callout-teal { --callout-line-color: var(--teal); }
.callout-sage { --callout-line-color: var(--sage); }
.callout-blue { --callout-line-color: var(--blue); }
.callout-purple { --callout-line-color: var(--purple); }

.callout-rust::after,
.callout-sage::after,
.callout-teal::after,
.callout-neutral::after,
.callout-blue::after,
.callout-purple::after {
  content: "";
  position: absolute;
  top: var(--callout-icon-top);
  left: var(--callout-icon-left);
  width: var(--callout-icon-width);
  height: var(--callout-icon-height);
  transform: scale(var(--callout-icon-scale));
  z-index: 2;
}

.callout-rust::after {
  background-color: var(--rust);
  -webkit-mask-image: url("/assets/images/icons/star.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/star.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-sage::after {
  background-color: var(--sage);
  -webkit-mask-image: url("/assets/images/icons/correct.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/correct.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-teal::after {
  background-color: var(--teal);
  -webkit-mask-image: url("/assets/images/icons/bad.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/bad.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-neutral::after {
  background-color: var(--neutral);
  -webkit-mask-image: url("/assets/images/icons/info.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/info.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-blue::after {
  background-color: var(--blue);
  -webkit-mask-image: url("/assets/images/icons/chat.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/chat.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-purple::after {
  background-color: var(--purple);
  -webkit-mask-image: url("/assets/images/icons/mail.svg");
  -webkit-mask-repeat: no-repeat;
  -webkit-mask-position: center;
  -webkit-mask-size: contain;
  mask-image: url("/assets/images/icons/mail.svg");
  mask-repeat: no-repeat;
  mask-position: center;
  mask-size: contain;
}

.callout-title {
  font-size: calc(var(--text-base-size) * var(--heading-4-scale));
  line-height: var(--heading-line-height);
  font-weight: 600;
  margin: 0 0 0.25rem 0;
  padding-top: 0.15rem;
  padding-bottom: 0.1rem;
  color: var(--text-color);
}

.callout-neutral > p:first-child,
.callout-rust > p:first-child,
.callout-teal > p:first-child,
.callout-sage > p:first-child,
.callout-blue > p:first-child,
.callout-purple > p:first-child {
  margin-top: 0.1rem;
  padding-top: 0;
}

@media (max-width: 700px) {
  .callout-neutral,
  .callout-rust,
  .callout-teal,
  .callout-sage,
  .callout-blue,
  .callout-purple {
    padding-left: 2.25rem;
    padding-top: 1.8rem;
    padding-right: 1.5rem;
    position: relative;
  }

  .callout-neutral::before,
  .callout-rust::before,
  .callout-teal::before,
  .callout-sage::before,
  .callout-blue::before,
  .callout-purple::before {
    background: linear-gradient(
      to bottom,
      var(--callout-line-color) 0%,
      var(--callout-line-color) var(--callout-mobile-gap-start),
      transparent var(--callout-mobile-gap-start),
      transparent var(--callout-mobile-gap-end),
      var(--callout-line-color) var(--callout-mobile-gap-end),
      var(--callout-line-color) 100%
    );
  }

  .callout-neutral::after,
  .callout-rust::after,
  .callout-teal::after,
  .callout-sage::after,
  .callout-blue::after,
  .callout-purple::after {
    top: var(--callout-mobile-icon-top);
    left: var(--callout-mobile-icon-left);
    transform: scale(var(--callout-mobile-icon-scale));
    position: absolute;
    margin: 0;
  }
}

/* ==========================================================================
   13. Components
   ========================================================================== */

/* Tags */
.tag {
  display: inline-block;
  background-color: var(--neutral-light);
  color: var(--black);
  padding: 0.15em 0.4em;
  margin: 0.3em 0 0;
  border: 1px solid var(--neutral);
  font-size: 0.8rem;
  font-family: inherit;
  white-space: nowrap;
  font-weight: 600;
  border-radius: var(--border-radius);
}

/* Tag color variants — filled */
.tag-rose { background-color: var(--rose-light); border-color: var(--rose); }
.tag-pink { background-color: var(--pink-light); border-color: var(--pink); }
.tag-purple { background-color: var(--purple-light); border-color: var(--purple); }
.tag-blue { background-color: var(--blue-light); border-color: var(--blue); }
.tag-teal { background-color: var(--teal-light); border-color: var(--teal); }
.tag-sage { background-color: var(--sage-light); border-color: var(--sage); }
.tag-lime { background-color: var(--lime-light); border-color: var(--lime); }
.tag-rust { background-color: var(--rust-light); border-color: var(--rust); }
.tag-neutral { background-color: var(--neutral-light); border-color: var(--neutral); }

/* Tag color variants — outlined */
.tag-rose-outlined { background-color: transparent; border-color: var(--rose); color: var(--text-color); }
.tag-pink-outlined { background-color: transparent; border-color: var(--pink); color: var(--text-color); }
.tag-purple-outlined { background-color: transparent; border-color: var(--purple); color: var(--text-color); }
.tag-blue-outlined { background-color: transparent; border-color: var(--blue); color: var(--text-color); }
.tag-teal-outlined { background-color: transparent; border-color: var(--teal); color: var(--text-color); }
.tag-sage-outlined { background-color: transparent; border-color: var(--sage); color: var(--text-color); }
.tag-lime-outlined { background-color: transparent; border-color: var(--lime); color: var(--text-color); }
.tag-rust-outlined { background-color: transparent; border-color: var(--rust); color: var(--text-color); }
.tag-neutral-outlined { background-color: transparent; border-color: var(--neutral); color: var(--text-color); }

.tag-block-sm {
  font-size: 16px;
  font-weight: bold;
  color: var(--text-color);
  margin-top: 1.5rem;
}

.tag-block-sm .tag {
  background-color: var(--neutral-light);
  color: var(--black);
  padding: 0.15em 0.4em;
  margin-right: 0.3em;
  border: 1px solid var(--neutral);
  display: inline-block;
  white-space: nowrap;
  font-family: inherit;
  font-size: inherit;
}

.tag-block-right {
  text-align: right;
  margin-top: 2.1rem;
}

/* Summary row */
.summary-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

@media (max-width: 700px) {
  .summary-row {
    flex-direction: column;
    align-items: stretch;
    gap: 0.5rem;
  }

  .tag-block-sm {
    text-align: left;
    margin-top: 2rem;
    margin-bottom: 2rem;
  }

  .tag-block-right {
    text-align: left;
    margin-top: 0.5rem;
  }
}

.logo-sm {
  max-width: 10%;
  min-width: 100px;
  height: auto;
  display: block;
  margin-top: 3rem;
  margin-bottom: 3rem;
}

.black {
  background: var(--black);
  color: var(--white);
}

/* Buttons */
.btn-primary {
  font-size: 1.125rem;
  line-height: 1.2;
  padding: 0.5em 1.25em;
  background-color: var(--text-color);
  border: var(--border-width) solid var(--text-color);
  border-radius: var(--border-radius);
  color: var(--background-color);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--text-color);
}

/* ==========================================================================
   14. Case Studies
   ========================================================================== */

/* Page header */
.cs-page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  border-bottom: 1px solid var(--text-color);
  padding-bottom: 1rem;
  margin-bottom: var(--hr-margin);
}

.cs-page-header h1 {
  margin: 0;
}

.cs-page-header a {
  font-size: var(--text-base-size);
  white-space: nowrap;
  margin-left: 2rem;
}

.case-study hr {
  opacity: 1;
}

/* Hero */
.cs-hero {
  margin-bottom: var(--hr-margin);
}

.cs-hero .caption {
  font-size: 1rem;
  line-height: 1.4;
  margin-top: 0.5em;
  margin-bottom: 0;
  color: var(--caption-color);
}

/* Body grid (8:4) */
.cs-body {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  align-items: start;
}

.cs-body > * {
  grid-column: 1 / span 8;
  min-width: 0;
}

.cs-body > h2 {
  margin-top: var(--hr-margin);
  margin-bottom: 0.5rem;
}

.cs-body > [class*="callout-"] {
  margin-top: 0;
  margin-bottom: 0;
}

/* Sidebar */
.cs-sidebar {
  grid-column: 9 / -1;
  grid-row: 1 / span 20;
  align-self: start;
}

/* Figures */
.cs-body > figure {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  align-items: start;
  margin: 1.5rem 0;
}

.cs-body > figure img {
  grid-column: 1 / span 8;
  width: 100%;
  height: auto;
  display: block;
  border-radius: var(--border-radius);
}

.cs-body > figure figcaption {
  grid-column: 9 / -1;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--caption-color);
  padding-top: 0.25rem;
}

@media (max-width: 768px) {
  .cs-body {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .cs-body > * {
    grid-column: 1;
  }

  .cs-sidebar {
    grid-column: 1;
    grid-row: auto;
    margin-bottom: var(--grid-gutter-mobile);
  }

  .cs-body > figure {
    grid-template-columns: 1fr;
    column-gap: 0;
  }

  .cs-body > figure img {
    grid-column: 1;
  }

  .cs-body > figure figcaption {
    grid-column: 1;
    margin-top: 0.5rem;
    margin-bottom: 1rem;
  }
}

/* Gallery */
.cs-gallery {
  margin-top: var(--grid-margin-top);
  margin-bottom: var(--grid-margin-bottom);
}

.cs-section-logo {
  max-width: 100px;
  height: auto;
  display: block;
  margin-bottom: 2.5rem;
  opacity: 0.75;
}

.cs-card {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  align-items: start;
  margin-bottom: 2rem;
}

.cs-card > * {
  grid-column: span 6;
}

.cs-card img {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  display: block;
}

.cs-card h2 {
  font-size: calc(var(--text-base-size) * var(--heading-3-scale));
  font-weight: 600;
  margin: 0 0 0.5rem;
  padding: 0;
  line-height: 1.2;
}

.cs-card p {
  font-size: var(--text-base-size);
  margin: 0 0 1rem;
  line-height: var(--text-line-height);
}

.cs-card a {
  font-size: var(--text-base-size);
  white-space: normal;
}

.cs-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-bottom: 1rem;
}

@media (max-width: 768px) {
  .cs-card {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 1rem;
  }

  .cs-card > * {
    grid-column: 1;
  }

  .cs-section-logo {
    max-width: 80px;
  }
}

/* Client logo */
.logo {
  max-width: 100px;
  height: auto;
  display: block;
  margin-top: var(--hr-margin);
  margin-bottom: var(--hr-margin);
  opacity: 0.75;
}

@media (max-width: 700px) {
  .logo {
    margin-top: 2rem;
    margin-bottom: 2rem;
  }
}

/* Password gate */
.gate-overlay h1 {
  margin-bottom: var(--hr-margin);
}

.gate-overlay .callout-neutral {
  margin-bottom: var(--hr-margin);
}

.gate-overlay .callout-neutral p {
  margin-bottom: 1.5rem;
}

.gate-form {
  margin-top: 2rem;
  margin-bottom: 2rem;
}

.gate-field {
  border: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.gate-field legend {
  font-size: var(--text-base-size);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.gate-digits {
  display: flex;
  gap: 0.5rem;
}

.gate-digit label {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.gate-digit input {
  font-family: inherit;
  font-size: 1.5rem;
  font-weight: 600;
  width: 3rem;
  height: 3.5rem;
  text-align: center;
  border: var(--border-width) solid var(--text-color);
  border-radius: var(--border-radius);
  background: var(--background-color);
  color: var(--text-color);
}

.gate-digit input:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
}

.gate-digit input[aria-invalid="true"] {
  border-color: var(--error-color);
}

.gate-hint {
  font-size: calc(var(--text-base-size) * 0.85);
  color: var(--text-color);
  margin: 0 0 0.35rem;
}

.gate-error {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--text-base-size);
  font-weight: 600;
  color: var(--error-color);
  margin: 0.35rem 0 0;
}

.gate-error::before {
  content: "";
  flex-shrink: 0;
  width: 1em;
  height: 1em;
  background-color: var(--error-color);
  mask: url("/assets/images/icons/incorrect.svg") no-repeat center;
  mask-size: contain;
  -webkit-mask: url("/assets/images/icons/incorrect.svg") no-repeat center;
  -webkit-mask-size: contain;
}

.gate-error:empty {
  display: none;
}

.gate-success {
  display: flex;
  align-items: center;
  gap: 0.4em;
  font-size: var(--text-base-size);
  font-weight: 600;
  color: var(--sage);
  margin: 0.35rem 0 0;
}

.gate-success::before {
  content: "";
  flex-shrink: 0;
  width: 1em;
  height: 1em;
  background-color: var(--sage);
  mask: url("/assets/images/icons/correct.svg") no-repeat center;
  mask-size: contain;
  -webkit-mask: url("/assets/images/icons/correct.svg") no-repeat center;
  -webkit-mask-size: contain;
}

.gate-success:empty {
  display: none;
}

.gate-form button {
  font-family: inherit;
  font-size: var(--text-base-size);
  font-weight: 600;
  padding: 0.5rem 2rem;
  border: var(--border-width) solid var(--text-color);
  border-radius: var(--border-radius);
  background: var(--text-color);
  color: var(--background-color);
  cursor: pointer;
  transition: background-color 0.25s ease, color 0.25s ease;
}

.gate-form button:hover {
  background: transparent;
  color: var(--text-color);
}

.gate-form button:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
}

/* Project metadata */
.cs-meta {
  font-size: calc(var(--text-base-size) * 0.8);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin: 0;
}

.cs-meta-label {
  font-size: inherit;
  font-weight: 700;
  margin: 0 0 0.5rem;
}

.cs-meta .cs-tags {
  margin-bottom: 0;
}

.cs-meta ul {
  padding-left: 1.25em;
  margin: 0;
  font-size: inherit;
}

.cs-meta li {
  font-size: inherit;
  line-height: var(--text-line-height);
  margin-bottom: 0.25rem;
}

/* More case studies */
.cs-more {
  margin-top: var(--hr-margin);
  padding-top: var(--hr-margin);
  border-top: 1px solid var(--text-color);
}

.cs-more-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 2rem;
}

.cs-more-header h2 {
  margin: 0;
}

.cs-more-header a {
  font-size: var(--text-base-size);
  white-space: nowrap;
  margin-left: 2rem;
}

.cs-more-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  column-gap: var(--grid-gutter);
  row-gap: 2rem;
  margin-bottom: 2rem;
}

.cs-more-card {
  grid-column: span 3;
  padding-right: calc(var(--grid-gutter) / 2);
}

.cs-more-card img {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 0.75rem;
}

.cs-more-card h3 {
  font-size: calc(var(--text-base-size) * 1.15);
  font-weight: 700;
  margin: 0 0 0.35rem 0;
  line-height: 1.3;
}

.cs-more-card h3 a {
  color: var(--text-color);
  text-decoration: underline;
  text-underline-offset: 0.15em;
  text-decoration-thickness: var(--border-width);
}

.cs-more-card h3 a:hover {
  text-decoration-thickness: 2px;
}

.cs-more-card h3 a:focus-visible {
  outline: 2px solid var(--text-color);
  outline-offset: 3px;
  border-radius: var(--border-radius);
}

.cs-more-card p {
  font-size: calc(var(--text-base-size) * 0.85);
  line-height: 1.5;
  margin: 0;
  opacity: 0.8;
}

@media (max-width: 900px) {
  .cs-more-card {
    grid-column: span 6;
  }
}

@media (max-width: 600px) {
  .cs-more-grid {
    grid-template-columns: 1fr;
    column-gap: 0;
    row-gap: 1.5rem;
  }

  .cs-more-card {
    grid-column: 1;
  }

  .cs-more {
    margin-top: 3rem;
    padding-top: 3rem;
  }
}

/* ==========================================================================
   15. Theme Overrides (Light / Dark)
   ========================================================================== */

html[data-theme="light"] {
  --background-color: #ffffff;
  --text-color: var(--black);
  --link: #294991;
  --link-hover: #1a2f5e;
  --visited-link: #673d7d;
  --highlight-bg: #f2e5bc;
  --highlight-border: var(--black);
  --skip-bg: var(--background-color);
  --skip-text: var(--text-color);
  --focus-bg: var(--black);
  --focus-text: var(--white);
  --focus-border: var(--black);
  --caption-color: #636363;
  --error-color: #b91c1c;
}

html[data-theme="dark"] {
  --background-color: #1c1918;
  --text-color: #f5f2e9;
  --link: #9fc9ff;
  --link-hover: #cce2ff;
  --visited-link: #d7afff;
  --highlight-bg: #453b24;
  --highlight-border: var(--white);
  --skip-bg: var(--offwhite);
  --skip-text: var(--black);
  --focus-bg: #2a2726;
  --focus-text: var(--text-color);
  --focus-border: var(--white);
  --caption-color: #a0a0a0;
  --error-color: #f87171;
}

html[data-theme="dark"] h6 {
  color: #a0a0a0;
}


/* Site logo */
.logo-group a {
  display: flex;
  position: relative;
  padding: 0.25rem 0.5rem;
  border-radius: var(--border-radius);
  text-decoration: none;
  color: var(--text-color);
}

.logo-group a:hover {
  color: var(--text-color);
  text-decoration-thickness: 0;
}

.logo-group a:focus-visible {
  outline: none;
  background-color: transparent;
}

.logo-group a:focus-visible::after {
  content: "";
  position: absolute;
  width: 5.5rem;
  height: 5.5rem;
  top: 68%;
  left: 50%;
  transform: translate(-50%, -50%);
  border: 2px solid var(--text-color);
  border-radius: 4px;
  pointer-events: none;
}

.logo-group a svg {
  overflow: visible;
}

.logo-arc-1,
.logo-arc-2,
.logo-arc-3 {
  transform-origin: 62.27px 62.27px;
}

@media (prefers-reduced-motion: reduce) {
  .logo-arc-1,
  .logo-arc-2,
  .logo-arc-3 {
    animation: none !important;
    transition: none !important;
  }
}

html[data-theme="dark"] .column-icon {
  filter: invert(1) brightness(0.96) sepia(0.05);
}

html[data-theme="dark"] .brand-grid img {
  filter: invert(1) brightness(0.96) sepia(0.05);
}

html[data-theme="dark"] .logo img,
html[data-theme="dark"] .cs-section-logo {
  filter: invert(1) brightness(0.96) sepia(0.05);
}

html[data-theme="dark"] .tag {
  color: var(--black);
}

html[data-theme="dark"] .cs-more {
  border-top-color: var(--text-color);
}