:root {
  color-scheme: dark;
  --seo-bg: #07101f;
  --seo-panel: rgba(16, 31, 55, 0.88);
  --seo-panel-strong: #132642;
  --seo-line: rgba(171, 204, 255, 0.2);
  --seo-text: #f5f8ff;
  --seo-muted: #b7c7df;
  --seo-accent: #78e7ff;
  --seo-accent-2: #ffd166;
  --seo-max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--seo-text);
  background:
    radial-gradient(circle at 15% 0%, rgba(30, 119, 178, 0.25), transparent 34rem),
    radial-gradient(circle at 90% 12%, rgba(104, 74, 168, 0.2), transparent 30rem),
    var(--seo-bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: var(--seo-accent);
  text-underline-offset: 0.2em;
}

a:hover {
  color: #c4f6ff;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

.seo-skip {
  position: fixed;
  z-index: 20;
  top: 0.6rem;
  left: 0.6rem;
  padding: 0.7rem 1rem;
  color: #07101f;
  background: #fff;
  border-radius: 0.55rem;
  transform: translateY(-180%);
}

.seo-skip:focus {
  transform: translateY(0);
}

.seo-shell {
  width: min(calc(100% - 2rem), var(--seo-max));
  margin-inline: auto;
}

.seo-header {
  position: sticky;
  z-index: 10;
  top: 0;
  border-bottom: 1px solid var(--seo-line);
  background: rgba(7, 16, 31, 0.9);
  backdrop-filter: blur(18px);
}

.seo-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 4.25rem;
  gap: 1rem;
}

.seo-brand {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
}

.seo-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.45rem 1rem;
  font-size: 0.92rem;
}

.seo-nav a {
  color: var(--seo-muted);
  text-decoration: none;
}

.seo-nav a:hover,
.seo-nav a[aria-current="page"] {
  color: #fff;
}

.seo-main {
  padding-block: 1.4rem 4rem;
}

.seo-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin: 0 0 1.4rem;
  padding: 0;
  color: var(--seo-muted);
  font-size: 0.88rem;
  list-style: none;
}

.seo-breadcrumbs li:not(:last-child)::after {
  margin-left: 0.35rem;
  color: #66809f;
  content: "/";
}

.seo-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(220px, 0.65fr);
  align-items: center;
  gap: clamp(1.5rem, 5vw, 4.5rem);
  padding: clamp(1.4rem, 4vw, 3.5rem);
  border: 1px solid var(--seo-line);
  border-radius: 1.35rem;
  background: linear-gradient(135deg, rgba(25, 51, 84, 0.92), rgba(12, 25, 45, 0.92));
  box-shadow: 0 1.5rem 5rem rgba(0, 0, 0, 0.25);
}

.seo-hero--text {
  grid-template-columns: 1fr;
}

.seo-eyebrow {
  margin: 0 0 0.45rem;
  color: var(--seo-accent-2);
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.16;
  text-wrap: balance;
}

h1 {
  max-width: 19ch;
  margin: 0;
  font-size: clamp(2.2rem, 7vw, 4.75rem);
  letter-spacing: -0.05em;
}

h2 {
  margin: 0 0 1rem;
  font-size: clamp(1.4rem, 3vw, 2rem);
}

h3 {
  margin: 0 0 0.45rem;
}

.seo-lead {
  max-width: 72ch;
  margin: 1.1rem 0 0;
  color: #d6e3f7;
  font-size: clamp(1rem, 2vw, 1.16rem);
}

.seo-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.seo-badge {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  padding: 0.3rem 0.75rem;
  border: 1px solid rgba(120, 231, 255, 0.28);
  border-radius: 999px;
  color: #dffbff;
  background: rgba(42, 128, 160, 0.18);
  font-size: 0.84rem;
  font-weight: 750;
}

.seo-hero__media {
  display: grid;
  place-items: center;
  min-height: 230px;
  margin: 0;
}

.seo-hero__media img {
  max-height: 360px;
  object-fit: contain;
  filter: drop-shadow(0 1.25rem 1.5rem rgba(0, 0, 0, 0.4));
}

.seo-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.seo-card {
  grid-column: span 6;
  padding: clamp(1.1rem, 2.5vw, 1.6rem);
  border: 1px solid var(--seo-line);
  border-radius: 1rem;
  background: var(--seo-panel);
}

.seo-card--wide {
  grid-column: 1 / -1;
}

.seo-card p:last-child,
.seo-card ul:last-child,
.seo-card dl:last-child {
  margin-bottom: 0;
}

.seo-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(125px, 1fr));
  gap: 0.75rem;
  margin: 0;
}

.seo-stats div {
  min-width: 0;
  padding: 0.85rem;
  border: 1px solid rgba(171, 204, 255, 0.14);
  border-radius: 0.75rem;
  background: rgba(3, 11, 24, 0.35);
}

.seo-stats dt {
  color: var(--seo-muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.seo-stats dd {
  margin: 0.2rem 0 0;
  overflow-wrap: anywhere;
  font-size: 1.05rem;
  font-weight: 850;
}

.seo-table-wrap {
  overflow-x: auto;
}

.seo-table {
  width: 100%;
  border-collapse: collapse;
}

.seo-table th,
.seo-table td {
  padding: 0.7rem;
  border-bottom: 1px solid rgba(171, 204, 255, 0.14);
  text-align: left;
  vertical-align: top;
}

.seo-table th {
  color: var(--seo-muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.seo-link-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 0.7rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.seo-link-grid a {
  display: block;
  height: 100%;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(171, 204, 255, 0.15);
  border-radius: 0.75rem;
  color: #e7f8ff;
  background: rgba(5, 17, 34, 0.45);
  text-decoration: none;
}

.seo-link-grid a:hover {
  border-color: rgba(120, 231, 255, 0.65);
  background: rgba(36, 98, 125, 0.25);
}

.seo-link-grid small {
  display: block;
  margin-top: 0.15rem;
  color: var(--seo-muted);
}

.seo-prose {
  max-width: 78ch;
}

.seo-prose p {
  margin: 0 0 1rem;
}

.seo-callout {
  padding: 1rem 1.15rem;
  border-left: 0.25rem solid var(--seo-accent-2);
  border-radius: 0.35rem 0.75rem 0.75rem 0.35rem;
  color: #d9e6f9;
  background: rgba(255, 209, 102, 0.08);
}

.seo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.25rem;
}

.seo-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.65rem 1rem;
  border: 1px solid rgba(120, 231, 255, 0.55);
  border-radius: 0.7rem;
  color: #06111f;
  background: var(--seo-accent);
  font-weight: 850;
  text-decoration: none;
}

.seo-button--secondary {
  color: #e8f9ff;
  background: transparent;
}

.seo-footer {
  padding-block: 2rem;
  border-top: 1px solid var(--seo-line);
  color: var(--seo-muted);
  font-size: 0.9rem;
}

.seo-footer__inner {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 1rem;
}

.seo-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .seo-header__inner {
    align-items: flex-start;
    padding-block: 0.85rem;
  }

  .seo-nav {
    max-width: 65%;
  }

  .seo-hero {
    grid-template-columns: 1fr;
  }

  .seo-card {
    grid-column: 1 / -1;
  }

  .seo-hero__media {
    order: -1;
    min-height: 150px;
  }

  .seo-hero__media img {
    max-height: 230px;
  }
}