:root {
  color-scheme: light;
  --navy: #071729;
  --navy-2: #0c2237;
  --ink: #102239;
  --muted: #60716e;
  --mint: #3bd3a5;
  --mint-dark: #087254;
  --paper: #f5f7f4;
  --white: #ffffff;
  --line: #dce5e1;
  --sand: #ecf0e9;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; }
a { color: inherit; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; color: var(--navy); background: var(--mint); border-radius: 8px; transform: translateY(-140%); }
.skip-link:focus { transform: translateY(0); }

.seo-header { position: sticky; z-index: 80; top: 0; display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 34px; min-height: 72px; padding: 0 max(22px, calc((100vw - var(--max)) / 2)); color: #eef6f8; background: rgba(7, 23, 41, .96); border-bottom: 1px solid rgba(76, 225, 179, .14); backdrop-filter: blur(16px); }
.seo-brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 820; text-decoration: none; letter-spacing: -.02em; }
.seo-brand img { width: 34px; height: 34px; border-radius: 9px; }
.seo-brand span { display: grid; line-height: 1.05; }
.seo-brand small { margin-top: 4px; color: #8fa5b7; font-size: 9px; font-weight: 720; letter-spacing: .08em; text-transform: uppercase; }
.seo-header nav { display: flex; justify-content: center; gap: 26px; }
.seo-header nav a { color: #bcc9d3; font-size: 13px; font-weight: 720; text-decoration: none; }
.seo-header nav a:hover, .seo-header nav a[aria-current="page"] { color: #fff; }
.seo-button, .seo-primary { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 42px; padding: 0 17px; border: 0; border-radius: 9px; color: #06251c; background: var(--mint); font-size: 13px; font-weight: 850; text-decoration: none; box-shadow: 0 12px 35px rgba(59, 211, 165, .18); }
.seo-menu { display: none; width: 42px; height: 42px; border: 1px solid #2a4154; border-radius: 9px; color: #fff; background: transparent; font-size: 20px; }

.seo-hero { position: relative; overflow: hidden; padding: 92px max(22px, calc((100vw - var(--max)) / 2)) 100px; color: #eff7f8; background: var(--navy); }
.seo-hero::after { position: absolute; right: -120px; bottom: -240px; width: 620px; height: 620px; border: 1px solid rgba(59, 211, 165, .2); border-radius: 50%; box-shadow: 0 0 0 90px rgba(59, 211, 165, .035), 0 0 0 180px rgba(59, 211, 165, .025); content: ""; }
.seo-hero-inner { position: relative; z-index: 2; max-width: 900px; }
.seo-kicker { display: inline-flex; align-items: center; gap: 9px; color: var(--mint); font-size: 11px; font-weight: 860; letter-spacing: .13em; text-transform: uppercase; }
.seo-kicker::before { width: 26px; height: 2px; background: currentColor; content: ""; }
.seo-hero h1 { max-width: 940px; margin: 22px 0; font-family: Manrope, Inter, sans-serif; font-size: clamp(46px, 6.5vw, 84px); line-height: .99; letter-spacing: -.055em; }
.seo-hero p { max-width: 760px; margin: 0; color: #b9c9d2; font-size: clamp(17px, 2vw, 21px); line-height: 1.62; }
.seo-meta { display: flex; flex-wrap: wrap; gap: 10px 20px; margin-top: 28px; color: #8fa5b4; font-size: 12px; }
.seo-meta strong { color: #dce9ed; }
.seo-hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.seo-secondary { display: inline-flex; align-items: center; justify-content: center; min-height: 42px; padding: 0 17px; border: 1px solid #375064; border-radius: 9px; color: #e5edef; font-size: 13px; font-weight: 800; text-decoration: none; }
.seo-feature-image { position: relative; z-index: 3; width: min(1040px, calc(100% - 44px)); margin: -54px auto 0; overflow: hidden; border: 1px solid #d6e1dc; border-radius: 20px; background: #fff; box-shadow: 0 28px 70px rgba(7, 23, 41, .18); }
.seo-feature-image img { display: block; width: 100%; max-height: 560px; aspect-ratio: 16 / 9; object-fit: cover; }
.seo-feature-image figcaption { padding: 12px 18px; color: #5f716c; background: #fff; font-size: 12px; line-height: 1.5; }

.seo-container { width: min(var(--max), calc(100% - 44px)); margin: 0 auto; }
.seo-section { padding: 82px 0; }
.seo-section-head { display: grid; grid-template-columns: minmax(0, 1fr) minmax(240px, .55fr); align-items: end; gap: 40px; margin-bottom: 34px; }
.seo-section h2 { margin: 0; font-family: Manrope, Inter, sans-serif; font-size: clamp(32px, 4vw, 50px); line-height: 1.04; letter-spacing: -.045em; }
.seo-section-head p { margin: 0; color: var(--muted); line-height: 1.7; }
.seo-card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 17px; }
.seo-card { position: relative; display: grid; align-content: start; min-height: 295px; padding: 28px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: var(--white); text-decoration: none; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.seo-card:hover { transform: translateY(-4px); border-color: #9dcfbe; box-shadow: 0 24px 60px rgba(19, 55, 45, .1); }
.seo-card::after { position: absolute; right: -36px; bottom: -46px; width: 120px; height: 120px; border: 22px solid #eef8f4; border-radius: 50%; content: ""; }
.seo-card small { color: var(--mint-dark); font-size: 10px; font-weight: 850; letter-spacing: .1em; text-transform: uppercase; }
.seo-card h2, .seo-card h3 { position: relative; z-index: 1; margin: 42px 0 13px; font-family: Manrope, Inter, sans-serif; font-size: 25px; line-height: 1.1; letter-spacing: -.035em; }
.seo-card p { position: relative; z-index: 1; margin: 0; color: var(--muted); font-size: 14px; line-height: 1.62; }
.seo-card span { position: relative; z-index: 1; align-self: end; margin-top: 30px; color: var(--mint-dark); font-size: 12px; font-weight: 850; }
.seo-card.featured { grid-column: span 2; min-height: 330px; color: #eef7f7; background: var(--navy-2); border-color: var(--navy-2); }
.seo-card.featured p { max-width: 620px; color: #aebfc9; }
.seo-card.featured small, .seo-card.featured span { color: var(--mint); }
.seo-card.featured::after { border-color: rgba(59, 211, 165, .12); }

.seo-article-layout { display: grid; grid-template-columns: 230px minmax(0, 760px); justify-content: center; gap: 70px; padding: 76px 0 100px; }
.seo-toc { position: sticky; top: 100px; align-self: start; display: grid; gap: 4px; padding: 20px 0; border-top: 2px solid var(--mint); }
.seo-toc strong { margin-bottom: 10px; font-size: 11px; letter-spacing: .1em; text-transform: uppercase; }
.seo-toc a { padding: 8px 0; color: #586a64; font-size: 12px; line-height: 1.35; text-decoration: none; border-bottom: 1px solid var(--line); }
.seo-toc a:hover { color: var(--mint-dark); }
.seo-prose { min-width: 0; }
.seo-prose .lead { margin: 0 0 44px; padding: 25px 28px; border-left: 4px solid var(--mint); color: #314b44; background: #eaf5f0; font-size: 19px; line-height: 1.62; }
.seo-prose h2 { scroll-margin-top: 100px; margin: 64px 0 18px; font-family: Manrope, Inter, sans-serif; font-size: clamp(29px, 4vw, 40px); line-height: 1.08; letter-spacing: -.04em; }
.seo-prose h3 { margin: 34px 0 12px; font-size: 21px; line-height: 1.25; letter-spacing: -.02em; }
.seo-prose p, .seo-prose li { color: #40534e; font-size: 17px; line-height: 1.78; }
.seo-prose ul, .seo-prose ol { padding-left: 24px; }
.seo-prose li + li { margin-top: 9px; }
.seo-prose a { color: #08785a; font-weight: 730; text-underline-offset: 3px; }
.seo-prose code { padding: .15em .38em; border-radius: 5px; color: #ddf9ef; background: #10293a; font-family: "SFMono-Regular", Consolas, monospace; font-size: .88em; }
.seo-code { margin: 28px 0; overflow-x: auto; padding: 24px; border: 1px solid #284052; border-radius: 14px; color: #d9f4ec; background: #071729; box-shadow: 0 20px 55px rgba(7, 23, 41, .14); }
.seo-code code { padding: 0; color: inherit; background: none; font-size: 13px; line-height: 1.7; }
.seo-note { margin: 30px 0; padding: 22px 24px; border: 1px solid #b9d9ce; border-radius: 13px; background: #eef8f4; }
.seo-note strong { display: block; margin-bottom: 6px; color: #086b50; }
.seo-note p { margin: 0; font-size: 15px; }
.seo-table-wrap { margin: 28px 0; overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: #fff; }
.seo-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.seo-table th, .seo-table td { padding: 15px 17px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.seo-table th { color: #17352d; background: #eaf5f0; font-size: 12px; letter-spacing: .03em; }
.seo-table tr:last-child td { border-bottom: 0; }
.seo-facts { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 34px 0; }
.seo-fact { padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: #fff; }
.seo-fact strong { display: block; color: var(--mint-dark); font-family: Manrope, Inter, sans-serif; font-size: 27px; letter-spacing: -.04em; }
.seo-fact span { display: block; margin-top: 7px; color: var(--muted); font-size: 12px; line-height: 1.45; }
.seo-sources { margin-top: 70px; padding-top: 24px; border-top: 1px solid var(--line); }
.seo-sources h2 { margin-top: 0; font-size: 21px; }
.seo-sources li, .seo-sources p { font-size: 13px; line-height: 1.6; }

.seo-cta { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 32px; margin: 10px 0 70px; padding: 42px; color: #eef8f7; background: var(--navy); border-radius: 20px; }
.seo-cta h2 { margin: 0 0 10px; font-family: Manrope, Inter, sans-serif; font-size: 31px; letter-spacing: -.04em; }
.seo-cta p { margin: 0; color: #aebfc8; line-height: 1.6; }
.seo-cta .seo-primary { white-space: nowrap; }

.seo-about-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 18px; }
.seo-panel { padding: 34px; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.seo-panel.dark { color: #eef7f8; background: var(--navy); border-color: var(--navy); }
.seo-panel h2 { margin: 0 0 16px; font-size: 33px; }
.seo-panel p, .seo-panel li { color: var(--muted); line-height: 1.72; }
.seo-panel.dark p, .seo-panel.dark li { color: #afc0c9; }

.seo-footer { display: grid; grid-template-columns: 1fr auto 1fr; gap: 45px; padding: 56px max(22px, calc((100vw - var(--max)) / 2)); color: #91a4b2; background: #04111d; }
.seo-footer p { max-width: 340px; font-size: 11px; line-height: 1.55; }
.seo-footer nav { display: grid; gap: 9px; }
.seo-footer nav a { color: #bac6ce; font-size: 12px; font-weight: 700; text-decoration: none; }
.seo-footer .seo-company { display: grid; justify-items: end; align-content: start; gap: 6px; text-align: right; font-size: 11px; }
.seo-footer .seo-company strong { color: #e2eaee; }

@media (max-width: 900px) {
  .seo-header { grid-template-columns: auto 1fr auto; padding-inline: 18px; }
  .seo-header nav { position: absolute; top: 70px; right: 18px; left: 18px; display: none; justify-content: stretch; flex-direction: column; gap: 0; padding: 12px; border: 1px solid #2b4355; border-radius: 12px; background: #0a1d30; box-shadow: 0 26px 70px rgba(0,0,0,.35); }
  .seo-header nav.open { display: flex; }
  .seo-header nav a { padding: 11px; }
  .seo-header > .seo-button { display: none; }
  .seo-menu { display: inline-grid; place-items: center; justify-self: end; }
  .seo-card-grid { grid-template-columns: repeat(2, 1fr); }
  .seo-article-layout { grid-template-columns: 1fr; gap: 20px; }
  .seo-toc { position: static; grid-template-columns: repeat(2, 1fr); }
  .seo-toc strong { grid-column: 1 / -1; }
  .seo-about-grid { grid-template-columns: 1fr; }
  .seo-footer { grid-template-columns: 1fr 1fr; }
  .seo-footer .seo-company { grid-column: 1 / -1; justify-items: start; text-align: left; }
}

@media (max-width: 620px) {
  .seo-brand small { display: none; }
  .seo-hero { padding-top: 68px; padding-bottom: 74px; }
  .seo-hero h1 { font-size: 48px; }
  .seo-feature-image { width: calc(100% - 28px); margin-top: -34px; border-radius: 14px; }
  .seo-section { padding: 62px 0; }
  .seo-section-head { grid-template-columns: 1fr; gap: 14px; }
  .seo-card-grid { grid-template-columns: 1fr; }
  .seo-card.featured { grid-column: auto; }
  .seo-article-layout { padding-top: 44px; }
  .seo-toc { grid-template-columns: 1fr; }
  .seo-toc strong { grid-column: auto; }
  .seo-prose p, .seo-prose li { font-size: 16px; }
  .seo-prose .lead { padding: 20px; font-size: 17px; }
  .seo-facts { grid-template-columns: 1fr; }
  .seo-cta { grid-template-columns: 1fr; padding: 28px; }
  .seo-footer { grid-template-columns: 1fr; }
  .seo-footer .seo-company { grid-column: auto; }
}