:root {
  --site-primary: #0f2537;
  --site-primary-2: #163650;
  --site-accent: #2bafd7;
  --site-red: #e11d48;
  --site-green: #14a05c;
  --site-text: #243241;
  --site-muted: #657485;
  --site-line: #e7eef3;
  --site-bg: #f7f9fb;
  --site-surface: #ffffff;
  --site-radius: 8px;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--site-bg);
  color: var(--site-text);
  font-family: "Inter", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.65;
  letter-spacing: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
.site-brand,
.section-kicker {
  font-family: "Montserrat", Arial, sans-serif;
  letter-spacing: 0;
}

h1 {
  color: var(--site-primary);
  font-size: clamp(2.25rem, 4vw, 3.5rem);
  line-height: 1.1;
  margin: 0 0 1rem;
}

h2 {
  color: var(--site-primary);
  font-size: 1.875rem;
  line-height: 1.25;
  margin: 2rem 0 0.75rem;
}

h3 {
  color: var(--site-primary);
  font-size: 1.35rem;
  line-height: 1.3;
  margin: 1.5rem 0 0.5rem;
}

img,
iframe,
video {
  max-width: 100%;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--site-accent);
  color: #001f29;
  padding: 0.6rem 0.9rem;
  border-radius: var(--site-radius);
  font-weight: 700;
}

.skip-link:focus {
  top: 1rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--site-primary);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  box-shadow: 0 16px 34px rgba(15, 37, 55, 0.16);
}

.site-header__inner {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  min-height: 68px;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  color: #fff;
  text-decoration: none;
  font-weight: 800;
  min-width: max-content;
  flex: 0 0 auto;
}

.site-brand__mark {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--site-accent);
  color: #001f29;
  flex: 0 0 auto;
}

.site-brand__text {
  white-space: nowrap;
}

.site-nav-toggle {
  display: none;
}

.site-nav-button {
  display: none;
  margin-left: auto;
  width: 42px;
  height: 42px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--site-radius);
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
}

.site-nav-button span {
  width: 20px;
  height: 2px;
  background: #fff;
  display: block;
}

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

.site-nav__list,
.site-nav__submenu,
.site-footer__links,
.breadcrumbs ul,
.site-sidebar ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: 0.15rem;
}

.site-nav__item {
  position: relative;
}

.site-nav__link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.55rem 0.7rem;
  border-radius: 6px;
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
  font-size: 0.78rem;
  font-weight: 700;
}

.site-nav__link:hover,
.site-nav__link:focus {
  color: #fff;
  background: rgba(43, 175, 215, 0.16);
  box-shadow: inset 0 -2px 0 var(--site-accent);
}

.site-nav__submenu {
  position: absolute;
  top: calc(100% + 0.35rem);
  left: 0;
  min-width: 240px;
  max-width: 320px;
  padding: 0.45rem;
  border-radius: var(--site-radius);
  background: #fff;
  box-shadow: 0 18px 44px rgba(15, 37, 55, 0.2);
  border: 1px solid var(--site-line);
  opacity: 0;
  pointer-events: none;
  transform: translateY(8px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.site-nav__item:hover .site-nav__submenu,
.site-nav__item:focus-within .site-nav__submenu {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.site-nav__submenu a,
.site-nav__submenu span {
  display: block;
  padding: 0.55rem 0.6rem;
  border-radius: 6px;
  color: var(--site-primary);
  text-decoration: none;
  font-size: 0.9rem;
}

.site-nav__submenu a:hover,
.site-nav__submenu a:focus {
  background: var(--site-line);
  color: var(--site-primary);
}

.site-main {
  min-height: 64vh;
}

.container.grid-lg {
  width: min(1180px, calc(100% - 32px));
}

.home-hero {
  min-height: 460px;
  display: flex;
  align-items: center;
  background:
    linear-gradient(90deg, rgba(15, 37, 55, 0.92), rgba(15, 37, 55, 0.62)),
    url("/assets/images/img_888efd93caf9.jpg") center / cover no-repeat;
  color: #fff;
}

.home-hero h1 {
  color: #fff;
  max-width: 760px;
}

.home-hero p {
  max-width: 680px;
  color: rgba(255, 255, 255, 0.86);
  font-size: 1.1rem;
}

.section-kicker {
  color: var(--site-red);
  font-size: 0.78rem;
  font-weight: 800;
  text-transform: uppercase;
  margin: 0 0 0.75rem;
}

.home-hero .section-kicker {
  color: var(--site-accent);
}

.home-section,
.page-shell {
  padding: 3.5rem 0;
}

.breadcrumbs {
  margin: 0 0 1.25rem;
  color: var(--site-muted);
  font-size: 0.88rem;
}

.breadcrumbs ul {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.breadcrumbs li:not(:last-child)::after {
  content: "/";
  margin-left: 0.45rem;
  color: #a7b2bd;
}

.breadcrumbs a {
  color: var(--site-primary);
  text-decoration: none;
}

.breadcrumbs a:hover,
.breadcrumbs a:focus {
  color: var(--site-accent);
  text-decoration: underline;
}

.article-card,
.home-aside,
.site-sidebar {
  background: var(--site-surface);
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
  box-shadow: 0 18px 48px rgba(15, 37, 55, 0.08);
}

.article-card {
  padding: clamp(1.25rem, 3vw, 2.5rem);
}

.article-card--wide {
  max-width: 980px;
  margin: 0 auto;
}

.article-card--narrow {
  max-width: 820px;
  margin: 0 auto;
}

.page-header {
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid var(--site-line);
}

.page-header--split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 320px);
  gap: 1.5rem;
  align-items: center;
}

.page-header__image {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--site-radius);
}

.page-header--compact {
  margin-bottom: 1rem;
}

.page-lead {
  color: var(--site-muted);
  font-size: 1.08rem;
  margin: 0;
}

.site-prose {
  overflow-wrap: anywhere;
}

.site-prose p {
  margin: 0 0 1.05rem;
}

.site-prose a,
.site-block--paragraph a,
.site-category-meta a {
  color: #087fa1;
  text-decoration: underline;
  text-decoration-color: rgba(43, 175, 215, 0.35);
  text-underline-offset: 0.16em;
}

.site-prose a:hover,
.site-prose a:focus,
.site-block--paragraph a:hover,
.site-block--paragraph a:focus,
.site-category-meta a:hover,
.site-category-meta a:focus {
  color: var(--site-red);
  text-decoration-color: currentColor;
}

.site-prose ul,
.site-prose ol {
  padding-left: 1.35rem;
}

.site-prose li {
  margin: 0.25rem 0;
}

.site-figure {
  margin: 1.1rem 0;
}

.site-figure img,
.site-gallery__item img,
.content-card img {
  border-radius: var(--site-radius);
  border: 1px solid var(--site-line);
  background: #fff;
}

.site-figure figcaption,
.site-gallery figcaption {
  margin-top: 0.4rem;
  color: var(--site-muted);
  font-size: 0.86rem;
}

.site-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0;
}

.site-gallery__item {
  margin: 0;
  background: #fff;
}

.site-gallery__item img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.site-table {
  overflow-x: auto;
  margin: 1.25rem 0;
}

.site-embed {
  position: relative;
  overflow: hidden;
  border-radius: var(--site-radius);
}

.site-list-card,
.content-card {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  padding: 1rem;
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
}

.site-list-card img,
.content-card img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.home-content-grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.home-aside {
  padding: 1.25rem;
}

.home-aside h2,
.home-aside h3 {
  margin-top: 0;
  font-size: 1.15rem;
}

.home-tail {
  margin-top: 1.5rem;
  padding: 1.5rem;
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
}

.design-media-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin: 0 0 1.5rem;
}

.design-media-row img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--site-radius);
  border: 1px solid var(--site-line);
}

.listing-header {
  max-width: 850px;
}

.listing-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.listing-grid__item {
  background: #fff;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
  padding: 1rem;
}

.listing-grid__item:has(.site-gallery) {
  grid-column: 1 / -1;
}

.site-sidebar {
  padding: 1rem;
  position: sticky;
  top: 92px;
}

.site-sidebar a {
  display: block;
  padding: 0.45rem 0;
  color: var(--site-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--site-line);
}

.site-sidebar a:hover,
.site-sidebar a:focus {
  color: var(--site-accent);
}

.content-card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

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

.content-card-grid--1 {
  grid-template-columns: 1fr;
}

.content-card-grid__full {
  grid-column: 1 / -1;
}

.content-card-grid--horizontal .content-card {
  grid-template-columns: 160px minmax(0, 1fr);
}

.content-card-grid--minimal .content-card {
  display: block;
  border-left: 4px solid var(--site-accent);
  box-shadow: none;
}

.content-toc {
  margin: 0 0 1.5rem;
  padding: 1rem;
  background: #f2f7fa;
  border-left: 4px solid var(--site-accent);
  border-radius: var(--site-radius);
}

.source-links {
  margin-top: 1.5rem;
  padding: 1rem;
  background: #f8fbfd;
  border: 1px solid var(--site-line);
  border-radius: var(--site-radius);
}

.source-links summary {
  cursor: pointer;
  color: var(--site-primary);
  font-weight: 700;
}

.source-links ul {
  columns: 2;
  column-gap: 2rem;
  margin: 1rem 0 0;
  padding-left: 1rem;
}

.source-links li {
  break-inside: avoid;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1rem;
  color: var(--site-muted);
  font-size: 0.9rem;
}

.partner-strip {
  background: #fff;
  border-top: 1px solid var(--site-line);
  border-bottom: 1px solid var(--site-line);
}

.partner-strip__inner {
  display: grid;
  grid-template-columns: repeat(6, minmax(50px, 1fr));
  gap: 1.2rem;
  align-items: center;
  padding: 1rem 0;
}

.partner-strip img {
  max-height: 42px;
  width: auto;
  justify-self: center;
  opacity: 0.72;
  filter: grayscale(0.2);
}

.site-footer {
  background: var(--site-primary);
  color: rgba(255, 255, 255, 0.78);
  padding: 2.5rem 0;
}

.site-brand--footer {
  margin-bottom: 1rem;
}

.site-footer__summary {
  color: rgba(255, 255, 255, 0.68);
}

.site-footer__heading {
  color: rgba(255, 255, 255, 0.62);
  font-size: 0.76rem;
  text-transform: uppercase;
  margin: 0 0 0.8rem;
}

.site-footer__links a {
  color: rgba(255, 255, 255, 0.78);
  text-decoration: none;
  display: inline-block;
  padding: 0.2rem 0;
}

.site-footer__links a:hover,
.site-footer__links a:focus {
  color: var(--site-accent);
  text-decoration: underline;
}

:focus-visible {
  outline: 3px solid rgba(43, 175, 215, 0.55);
  outline-offset: 2px;
}

@media (max-width: 980px) {
  .site-header__inner {
    flex-wrap: wrap;
    padding: 0.7rem 0;
  }

  .site-nav-button {
    display: inline-flex;
  }

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

  .site-nav-toggle:checked ~ .site-nav {
    display: block;
  }

  .site-nav__list {
    display: block;
  }

  .site-nav__link {
    width: 100%;
  }

  .site-nav__submenu {
    position: static;
    opacity: 1;
    pointer-events: auto;
    transform: none;
    box-shadow: none;
    margin: 0 0 0.6rem 0.75rem;
  }

  .home-content-grid,
  .page-header--split,
  .listing-grid,
  .content-card-grid,
  .content-card-grid--2,
  .design-media-row {
    grid-template-columns: 1fr;
  }

  .site-sidebar {
    position: static;
    margin-top: 1rem;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 15px;
  }

  .home-hero {
    min-height: 390px;
  }

  .home-section,
  .page-shell {
    padding: 2rem 0;
  }

  .article-card,
  .home-tail,
  .home-aside {
    padding: 1rem;
  }

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

  .site-list-card,
  .content-card,
  .content-card-grid--horizontal .content-card {
    grid-template-columns: 1fr;
  }

  .source-links ul {
    columns: 1;
  }
}

@media print {
  .site-header,
  .site-footer,
  .partner-strip,
  .site-sidebar,
  .breadcrumbs {
    display: none;
  }

  body {
    background: #fff;
    color: #000;
  }

  .article-card {
    box-shadow: none;
    border: none;
    padding: 0;
  }
}