:root {
  --color-primary: #0057B8;
  --color-secondary: #00A3A3;
  --color-surface: #F6F8FA;
  --color-button-text: #FFFFFF;
  --color-link: #0057B8;
  --color-footer-background: #101820;
}

.theme-dark {
  --color-background: #09090B;
  --color-text: #F7F7F8;
  --color-header-background: rgba(9, 9, 11, 0.76);
  --glass-background: rgba(255, 255, 255, 0.075);
  --glass-strong-background: rgba(255, 255, 255, 0.11);
  --menu-background: rgba(3, 3, 6, 0.97);
  --border-color: rgba(255, 255, 255, 0.13);
  --glass-shadow: rgba(0, 0, 0, 0.28);
}

.theme-light {
  --color-background: #FFFFFF;
  --color-text: #101820;
  --color-header-background: #FFFFFF;
  --glass-background: rgba(255, 255, 255, 0.72);
  --glass-strong-background: rgba(255, 255, 255, 0.62);
  --menu-background: rgba(246, 248, 252, 0.82);
  --border-color: rgba(16, 24, 32, 0.12);
  --glass-shadow: rgba(31, 35, 46, 0.14);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 16%, var(--color-background)) 0%, var(--color-background) 32%),
    var(--color-background);
  color: var(--color-text);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.5;
}

.theme-light {
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--color-primary) 8%, #ffffff) 0%, #f5f7fb 36%, var(--color-background) 100%);
}

a {
  color: inherit;
}

.site-header {
  align-items: center;
  background: var(--color-header-background);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  gap: 24px;
  justify-content: space-between;
  padding: 18px clamp(18px, 4vw, 56px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  color: var(--color-text);
  font-size: 18px;
  font-weight: 700;
  text-decoration: none;
}

.theme-switch {
  background: color-mix(in srgb, var(--menu-background) 76%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  display: inline-flex;
  gap: 2px;
  margin-left: auto;
  padding: 3px;
}

.theme-switch-button {
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: color-mix(in srgb, var(--color-text) 72%, transparent);
  cursor: pointer;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  min-height: 34px;
  padding: 7px 12px;
}

.theme-switch-button:hover,
.theme-switch-button:focus-visible {
  color: var(--color-text);
}

.theme-switch-button.is-active {
  background: var(--color-primary);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--color-primary) 28%, transparent);
  color: var(--color-button-text);
}

.menu-shell {
  position: relative;
}

.menu-button {
  background: var(--glass-background);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  color: var(--color-text);
  cursor: pointer;
  font: inherit;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 16px;
}

.site-nav {
  background: var(--menu-background);
  backdrop-filter: blur(24px) saturate(1.45);
  -webkit-backdrop-filter: blur(24px) saturate(1.45);
  border: 1px solid color-mix(in srgb, var(--border-color) 72%, var(--color-primary));
  border-radius: 8px;
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.28);
  display: grid;
  gap: 4px;
  max-height: min(70vh, 520px);
  min-width: 260px;
  overflow: auto;
  padding: 8px;
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
}

.site-nav a {
  color: var(--color-button-text);
  border-radius: 6px;
  font-size: 14px;
  font-weight: 700;
  padding: 9px 10px;
  position: relative;
  text-decoration: none;
}

.site-nav a::after {
  background: currentColor;
  border-radius: 999px;
  bottom: 5px;
  content: "";
  height: 2px;
  left: 10px;
  position: absolute;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
  width: calc(100% - 20px);
}

.site-nav a:hover,
.site-nav a:focus-visible,
.site-nav a.is-active {
  background: color-mix(in srgb, var(--color-primary) 28%, transparent);
  color: #ffffff;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.theme-light .site-nav a {
  color: #1d1d1f;
}

.theme-light .site-nav a:hover,
.theme-light .site-nav a:focus-visible,
.theme-light .site-nav a.is-active {
  color: #1d1d1f;
}

.hero {
  align-items: center;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 70%, #000000) 0%, color-mix(in srgb, var(--color-background) 86%, #000000) 100%);
  color: var(--color-button-text);
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.8fr);
  padding: 96px 56px;
}

.hero h1 {
  font-size: 76px;
  line-height: 1;
  margin: 8px 0 18px;
  max-width: 920px;
}

.hero p {
  font-size: 18px;
  margin: 0;
  max-width: 720px;
}

.hero-media {
  display: grid;
  gap: 14px;
}

.site-image-shell {
  background:
    radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--color-primary) 28%, transparent), transparent 48%),
    var(--glass-background);
  backdrop-filter: blur(18px) saturate(1.2);
  -webkit-backdrop-filter: blur(18px) saturate(1.2);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 24px 80px color-mix(in srgb, var(--color-primary) 18%, transparent);
  overflow: hidden;
  padding: 10px;
}

.site-image {
  aspect-ratio: 16 / 10;
  border-radius: 6px;
  display: block;
  object-fit: cover;
  width: 100%;
}

.hero-tile {
  align-items: center;
  background:
    radial-gradient(circle at 18% 18%, color-mix(in srgb, var(--item-glow) 34%, transparent), transparent 46%),
    var(--glass-background);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: 0 24px 80px color-mix(in srgb, var(--item-glow) 24%, transparent);
  display: grid;
  gap: 14px;
  grid-template-columns: 92px 1fr;
  overflow: hidden;
  padding: 12px;
}

.hero-tile img,
.hero-tile .image-placeholder {
  aspect-ratio: 1;
  border-radius: 6px;
  object-fit: cover;
  width: 100%;
}

.hero-tile span {
  font-size: 13px;
  font-weight: 700;
  text-transform: uppercase;
}

.eyebrow {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: uppercase;
}

.content-section {
  padding: 64px 56px;
}

.section-heading {
  align-items: flex-start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
  max-width: 760px;
}

.section-heading h2 {
  font-size: 30px;
  line-height: 1.15;
  margin: 0 0 8px;
}

.section-heading p {
  margin: 0 0 24px;
}

.section-link,
.back-link,
.section-action {
  color: var(--color-link);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.section-action {
  align-items: center;
  background: color-mix(in srgb, var(--menu-background) 86%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: 0 14px 34px var(--glass-shadow);
  color: var(--color-text);
  display: inline-flex;
  justify-content: center;
  margin-top: 22px;
  min-height: 44px;
  padding: 12px 18px;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}

.section-action:hover,
.section-action:focus-visible {
  background: color-mix(in srgb, var(--color-primary) 22%, var(--menu-background));
  border-color: color-mix(in srgb, var(--color-primary) 48%, var(--border-color));
  transform: translateY(-1px);
}

.theme-light .section-action {
  background: rgba(246, 248, 252, 0.78);
  border-color: rgba(255, 255, 255, 0.74);
  color: #1d1d1f;
}

.theme-light .section-action:hover,
.theme-light .section-action:focus-visible {
  background: rgba(255, 255, 255, 0.9);
  border-color: color-mix(in srgb, var(--color-primary) 34%, rgba(255, 255, 255, 0.74));
}

.section-action-mobile {
  display: none;
}

.content-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}

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

.content-card {
  background:
    radial-gradient(circle at 18% 10%, color-mix(in srgb, var(--item-glow) 28%, transparent), transparent 42%),
    linear-gradient(180deg, var(--glass-strong-background), var(--glass-background));
  backdrop-filter: blur(18px) saturate(1.25);
  -webkit-backdrop-filter: blur(18px) saturate(1.25);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow:
    0 24px 70px color-mix(in srgb, var(--item-glow) 18%, transparent),
    0 14px 44px var(--glass-shadow),
    inset 0 1px 0 rgba(255, 255, 255, 0.12);
  overflow: hidden;
}

.content-card a {
  display: block;
  height: 100%;
  text-decoration: none;
}

.content-card img,
.image-placeholder {
  aspect-ratio: 3 / 2;
  background: var(--color-secondary);
  display: block;
  object-fit: cover;
  width: 100%;
}

.content-card img {
  filter: saturate(1.06) contrast(1.02);
}

.theme-light .content-card,
.theme-light .site-image-shell,
.theme-light .hero-tile {
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.74), rgba(255, 255, 255, 0.34)),
    radial-gradient(circle at 18% 10%, color-mix(in srgb, var(--item-glow) 18%, transparent), transparent 48%);
  border-color: rgba(255, 255, 255, 0.72);
  box-shadow:
    0 18px 50px rgba(31, 35, 46, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.9),
    inset 0 -1px 0 rgba(255, 255, 255, 0.24);
}

.spotlight-list {
  max-width: 920px;
}

.content-card-spotlight a {
  align-items: stretch;
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(260px, 1fr);
}

.content-card-spotlight img,
.content-card-spotlight .image-placeholder {
  aspect-ratio: auto;
  height: 100%;
  min-height: 220px;
}

.card-body {
  padding: 18px;
}

.content-type {
  color: var(--color-secondary);
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 8px;
  text-transform: uppercase;
}

.content-card h3 {
  font-size: 20px;
  line-height: 1.2;
  margin: 0 0 8px;
}

.content-card p {
  margin: 0 0 14px;
}

.content-card time {
  color: color-mix(in srgb, var(--color-text) 68%, transparent);
  font-size: 13px;
}

.category-hero {
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 70%, #000000), color-mix(in srgb, var(--color-background) 88%, #000000));
  color: var(--color-button-text);
  padding: 72px 56px;
}

.category-hero h1 {
  font-size: 58px;
  line-height: 1.05;
  margin: 8px 0 16px;
  max-width: 920px;
}

.category-hero p {
  max-width: 720px;
}

.category-hero .back-link {
  color: var(--color-button-text);
  display: inline-block;
  margin-bottom: 22px;
}

.load-more-button {
  background: var(--color-primary);
  border: 0;
  border-radius: 8px;
  color: var(--color-button-text);
  cursor: pointer;
  font: inherit;
  font-weight: 700;
  margin-top: 22px;
  padding: 12px 18px;
}

[hidden] {
  display: none !important;
}

.site-footer {
  align-items: center;
  background: var(--color-footer-background);
  color: var(--color-button-text);
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: space-between;
  padding: 24px 56px;
}

@media (max-width: 640px) {
  .site-header {
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 16px 18px;
  }

  .theme-switch {
    margin-left: 0;
    order: 3;
  }

  .menu-shell {
    margin-left: auto;
    width: 100%;
  }

  .site-nav {
    left: 0;
    right: auto;
    width: min(100%, 360px);
  }

  .hero {
    gap: 28px;
    grid-template-columns: 1fr;
    padding: 56px 18px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .section-heading {
    display: block;
  }

  .content-section {
    padding: 42px 18px;
  }

  .category-hero {
    padding: 48px 18px;
  }

  .category-hero h1 {
    font-size: 38px;
  }

  .content-grid-three {
    display: grid;
    grid-auto-columns: calc((100% - 24px) / 3);
    grid-auto-flow: column;
    grid-template-columns: none;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
    padding-bottom: 8px;
    scroll-snap-type: inline proximity;
  }

  .content-card,
  .section-action-mobile {
    scroll-snap-align: start;
  }

  .content-card h3 {
    font-size: 14px;
  }

  .content-card p {
    display: none;
  }

  .card-body {
    padding: 12px;
  }

  .content-type,
  .content-card time {
    font-size: 11px;
  }

  .section-action-desktop {
    display: none;
  }

  .section-action-mobile {
    align-self: stretch;
    display: inline-flex;
    margin-top: 0;
    min-height: 100%;
    text-align: center;
  }

  .content-card-spotlight a {
    display: block;
  }

  .content-card-spotlight img,
  .content-card-spotlight .image-placeholder {
    aspect-ratio: 3 / 2;
    min-height: 0;
  }

  .site-footer {
    padding: 24px 18px;
  }
}

@media (min-width: 641px) and (max-width: 1024px) {
  .site-header {
    padding: 16px 28px;
  }

  .brand {
    font-size: 16px;
  }

  .hero {
    gap: 36px;
    padding: 72px 28px;
  }

  .hero h1 {
    font-size: 56px;
  }

  .content-section,
  .category-hero {
    padding-left: 28px;
    padding-right: 28px;
  }

  .category-hero h1 {
    font-size: 46px;
  }

  .section-heading h2 {
    font-size: 26px;
  }

  .content-card h3 {
    font-size: 18px;
  }
}