:root {
  --bg: #071015;
  --panel: #0d1a20;
  --panel-2: #112229;
  --text: #eef3f4;
  --muted: #91a1aa;
  --line: #24353d;
  --accent: #25d366;
  --accent-2: #00a884;
  --font-display: "Manrope", "Segoe UI", sans-serif;
  --font-body: "DM Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 280px;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 2%, rgba(0, 168, 132, 0.16), transparent 28%),
    var(--bg);
  font-family: var(--font-body);
}

a {
  color: inherit;
}

.seo-page-shell {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.seo-page-header {
  display: flex;
  min-height: 78px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid var(--line);
}

.seo-page-logo {
  display: flex;
  align-items: center;
  gap: 11px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.6px;
  text-decoration: none;
}

.seo-page-logo > span:first-child {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: #04120e;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border-radius: 13px 13px 13px 5px;
  box-shadow: 0 10px 30px rgba(0, 168, 132, 0.24);
}

.seo-page-logo em {
  color: var(--accent);
  font-style: normal;
}

.seo-page-nav {
  display: flex;
  align-items: center;
  gap: 22px;
}

.seo-page-nav a {
  color: #aebac1;
  font-size: 12px;
  font-weight: 700;
  text-decoration: none;
}

.seo-page-nav a:hover,
.seo-page-nav a:focus-visible {
  color: var(--accent);
}

.seo-page-nav .nav-cta,
.seo-page-cta {
  color: #052019;
  background: var(--accent);
  border-radius: 11px;
}

.seo-page-nav .nav-cta {
  padding: 11px 16px;
}

.seo-page-hero {
  display: grid;
  min-height: 590px;
  padding: 96px 0 84px;
  grid-template-columns: minmax(0, 1.08fr) minmax(310px, 0.92fr);
  gap: 90px;
  align-items: center;
}

.seo-page-kicker {
  display: block;
  margin-bottom: 17px;
  color: #42ddb8;
  font-size: 11px;
  font-weight: 800;
  letter-spacing: 2px;
}

.seo-page-hero h1 {
  max-width: 770px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(44px, 6.2vw, 76px);
  line-height: 1.01;
  letter-spacing: -4.2px;
}

.seo-page-hero p {
  max-width: 680px;
  margin: 26px 0 32px;
  color: #aebac1;
  font-size: 17px;
  line-height: 1.72;
}

.seo-page-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.seo-page-cta,
.seo-page-secondary {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.seo-page-secondary {
  color: #d8e0e3;
  border: 1px solid #31434c;
  border-radius: 11px;
}

.seo-page-visual {
  position: relative;
  min-height: 360px;
  overflow: hidden;
  background:
    linear-gradient(145deg, rgba(37, 211, 102, 0.08), transparent 55%),
    var(--panel);
  border: 1px solid #254039;
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.32);
}

.seo-page-visual::before,
.seo-page-visual::after {
  position: absolute;
  content: "";
  border: 1px solid rgba(37, 211, 102, 0.22);
  border-radius: 50%;
}

.seo-page-visual::before {
  inset: 70px;
}

.seo-page-visual::after {
  inset: 105px;
}

.visual-core {
  position: absolute;
  top: 50%;
  left: 50%;
  display: grid;
  width: 108px;
  height: 108px;
  place-items: center;
  color: #062017;
  font-size: 38px;
  font-weight: 900;
  background: linear-gradient(145deg, #38e0b5, #00a884);
  border: 10px solid #0e2423;
  border-radius: 50%;
  box-shadow: 0 0 0 1px #25d366, 0 0 55px rgba(37, 211, 102, 0.25);
  transform: translate(-50%, -50%);
}

.visual-label {
  position: absolute;
  right: 24px;
  bottom: 22px;
  left: 24px;
  color: #91a1aa;
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
}

.seo-page-benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.seo-page-benefits article {
  padding: 34px 26px 38px;
  border-left: 1px solid var(--line);
}

.seo-page-benefits article:first-child {
  border-left: 0;
}

.seo-page-benefits b {
  color: var(--accent);
  font-family: var(--font-display);
  font-size: 12px;
}

.seo-page-benefits h2 {
  margin: 16px 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  letter-spacing: -0.5px;
}

.seo-page-benefits p,
.seo-page-copy p,
.seo-page-copy li {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
}

.seo-page-copy {
  display: grid;
  padding: 96px 0;
  grid-template-columns: minmax(260px, 0.7fr) minmax(440px, 1.3fr);
  gap: 90px;
}

.seo-page-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -2px;
}

.seo-page-copy h3 {
  margin: 34px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
}

.seo-page-copy p {
  margin: 0 0 16px;
}

.seo-page-copy ul {
  padding-left: 20px;
  margin: 16px 0 0;
}

.seo-page-copy li + li {
  margin-top: 7px;
}

.seo-page-related {
  padding: 55px 0;
  border-top: 1px solid var(--line);
}

.seo-page-related h2 {
  margin: 0 0 24px;
  font-family: var(--font-display);
  font-size: 26px;
}

.seo-page-related nav {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.seo-page-related a {
  padding: 18px;
  color: #dce3e5;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 13px;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.seo-page-related a:hover,
.seo-page-related a:focus-visible {
  border-color: #197f69;
}

.seo-page-footer {
  display: flex;
  min-height: 90px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #71828c;
  border-top: 1px solid var(--line);
  font-size: 11px;
}

@media (max-width: 820px) {
  .seo-page-nav a:not(.nav-cta) {
    display: none;
  }

  .seo-page-hero {
    min-height: auto;
    padding: 72px 0;
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .seo-page-hero h1 {
    font-size: clamp(42px, 11vw, 64px);
  }

  .seo-page-visual {
    min-height: 320px;
  }

  .seo-page-copy {
    padding: 72px 0;
    grid-template-columns: 1fr;
    gap: 34px;
  }
}

@media (max-width: 600px) {
  .seo-page-shell {
    width: calc(100% - 28px);
  }

  .seo-page-header {
    min-height: 68px;
  }

  .seo-page-nav .nav-cta {
    padding: 9px 12px;
    font-size: 11px;
  }

  .seo-page-hero {
    padding: 56px 0;
  }

  .seo-page-hero h1 {
    letter-spacing: -2.6px;
  }

  .seo-page-hero p {
    font-size: 15px;
  }

  .seo-page-visual {
    min-height: 280px;
  }

  .seo-page-benefits,
  .seo-page-related nav {
    grid-template-columns: 1fr;
  }

  .seo-page-benefits article,
  .seo-page-benefits article:first-child {
    border-top: 1px solid var(--line);
    border-left: 0;
  }

  .seo-page-benefits article:first-child {
    border-top: 0;
  }

  .seo-page-footer {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 22px 0;
  }
}
/* Long-form guides remain selectable and readable with keyboard or touch. */
.seo-page-logo { flex-shrink: 0; white-space: nowrap; }
.seo-page-hero { min-height: auto; padding: 55px 0 65px; gap: 48px; }
.seo-page-hero h1 { font-size: clamp(36px, 4.6vw, 60px); letter-spacing: -2px; line-height: 1.1; overflow-wrap: break-word; }
.seo-breadcrumb { display: flex; flex-wrap: wrap; gap: 10px; padding-top: 24px; color: var(--muted); font-size: 13px; }
.seo-breadcrumb a { text-underline-offset: 4px; }
.seo-guide { display: grid; grid-template-columns: minmax(180px, .65fr) minmax(0, 1.6fr); gap: 64px; padding: 64px 0; align-items: start; }
.seo-toc { position: sticky; top: 24px; display: grid; gap: 14px; padding: 22px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; }
.seo-toc a { color: #b5c5cd; font-size: 14px; line-height: 1.5; text-decoration: none; }
.seo-toc a:hover { color: var(--accent); }
.seo-toc small { color: var(--muted); line-height: 1.6; border-top: 1px solid var(--line); padding-top: 16px; }
.seo-article section { scroll-margin-top: 24px; }
.seo-article section + section { margin-top: 44px; }
.seo-article h2 { margin: 0 0 18px; font-size: clamp(23px, 3vw, 30px); line-height: 1.25; letter-spacing: -.6px; }
.seo-article p { color: #afc0c8; font-size: 16px; line-height: 1.85; margin: 0 0 18px; }
.seo-page-faq details { border-bottom: 1px solid var(--line); padding: 18px 0; }
.seo-page-faq summary { cursor: pointer; font-weight: 700; line-height: 1.6; padding-right: 8px; }
.seo-page-faq details p { margin: 14px 0 0; }
.seo-skip { position: absolute; top: -100px; left: 16px; z-index: 10; padding: 14px; background: var(--accent); color: #04120e; border-radius: 8px; }
.seo-skip:focus { top: 12px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
@media (max-width: 820px) {
  .seo-guide { grid-template-columns: 1fr; gap: 36px; padding: 40px 0; }
  .seo-toc { position: static; }
  .seo-page-visual { display: none; }
  .seo-page-hero { grid-template-columns: minmax(0, 1fr); padding: 40px 0; }
}
@media (max-width: 360px) {
  .seo-page-header { gap: 10px; }
  .seo-page-logo { font-size: 17px; gap: 7px; }
  .seo-page-logo > span:first-child { width: 30px; height: 30px; }
  .seo-page-hero h1 { font-size: 34px; letter-spacing: -1.3px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }