:root {
  color: #fff;
  background: #050506;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body { margin: 0; background: #050506; }

a { color: #c4b5fd; }

.seo-shell { min-height: 100vh; background: #050506; }

.seo-header {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: 100%;
  min-height: 76px;
  margin: 0;
  padding: 18px 34px;
}

.seo-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 900;
  text-decoration: none;
}

.seo-brand img {
  width: 36px;
  height: 36px;
  padding: 8px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.seo-brand > span { display: grid; gap: 1px; }

.seo-brand strong { line-height: 1.2; }

.seo-brand small {
  width: max-content;
  padding: 2px 7px;
  border-radius: 999px;
  background: #7c3aed;
  font-size: 11px;
  font-weight: 800;
}

.seo-header nav { display: flex; align-items: center; gap: 28px; font-size: 14px; }

.seo-header nav a { color: rgba(255, 255, 255, 0.84); text-decoration: none; }

.seo-header nav a:hover { color: #fff; }

.seo-header__action,
.seo-hero__action {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  color: #fff !important;
  border-radius: 999px;
  background: #7c3aed;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 180ms ease, transform 180ms ease;
}

.seo-header__action:hover,
.seo-hero__action:hover { background: #5b21b6; transform: translateY(-1px); }

.seo-main { overflow: hidden; }

.seo-hero {
  display: grid;
  min-height: 100vh;
  align-content: center;
  justify-items: center;
  gap: 18px;
  width: 100%;
  margin: 0;
  padding: 0 max(24px, calc((100% - 1160px) / 2));
  text-align: center;
  background:
    linear-gradient(180deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.12) 42%, rgba(0, 0, 0, 0.82)),
    url('/og-image.jpg') center / cover;
}

.seo-kicker { margin: 0; color: #c4b5fd; font-size: 14px; font-weight: 900; letter-spacing: 0; }

.seo-hero h1 { max-width: 920px; margin: 0 auto; color: #fff; font-size: 72px; font-weight: 950; line-height: 1.06; text-shadow: 0 10px 40px rgba(0, 0, 0, 0.46); }

.seo-hero__answer { max-width: 800px; margin: 0 auto; color: #fff; font-size: 18px; line-height: 1.8; }

.seo-hero__lead { max-width: 760px; margin: 0 auto; color: #cbd5e1; font-size: 18px; line-height: 1.8; }

.public-hero-content {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(calc(100% - 40px), 1120px);
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.public-hero-kicker {
  margin: 0;
  color: #c4b5fd;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

.public-hero-content h1 {
  max-width: 900px;
  margin: 0;
  color: #fff;
  font-size: 72px;
  font-weight: 950;
  line-height: 1.06;
  letter-spacing: 0;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.46);
}

.public-hero-description {
  max-width: 760px;
  margin: 0;
  color: #cbd5e1;
  font-size: 18px;
  line-height: 1.8;
}

.public-hero-button {
  display: inline-flex;
  min-width: 160px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  color: #fff !important;
  border: 1px solid #7c3aed;
  border-radius: 999px;
  background: #7c3aed;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.public-hero-button:hover {
  color: #fff !important;
  border-color: #5b21b6;
  background: #5b21b6;
  transform: translateY(-1px);
}

.seo-section { padding: 76px max(24px, calc((100% - 1160px) / 2)); background: #0a0a0e; }

.seo-section--dark { background: #050506; }

.seo-section h2 { max-width: 820px; margin: 0 0 14px; color: #fff; font-size: clamp(27px, 4vw, 44px); line-height: 1.2; }

.seo-section > p,
.seo-section__intro { max-width: 780px; margin: 0 0 28px; color: #a1a1aa; line-height: 1.8; }

.seo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; max-width: 1160px; margin: 28px auto 0; }

.seo-grid article {
  padding: 24px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.seo-grid h3 { margin: 0 0 10px; color: #fff; font-size: 19px; }

.seo-grid p { margin: 0; color: #a1a1aa; font-size: 14px; line-height: 1.75; }

.seo-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 36px; max-width: 940px; margin: 0; padding-left: 22px; color: #d4d4d8; line-height: 1.8; }

.seo-list li::marker { color: #c4b5fd; }

.seo-faq { display: grid; gap: 10px; max-width: 900px; }

.seo-faq details { padding: 18px 20px; border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 18px; background: rgba(255, 255, 255, 0.06); }

.seo-faq summary { cursor: pointer; color: #fff; font-weight: 800; }

.seo-faq p { margin: 12px 0 0; color: #a1a1aa; line-height: 1.75; }

.seo-cta { padding: 76px 24px; text-align: center; background: rgba(124, 58, 237, 0.12); }

.seo-cta h2 { margin: 0 0 12px; color: #fff; font-size: clamp(28px, 4vw, 42px); }

.seo-cta p { margin: 0 0 24px; color: #a1a1aa; }

.seo-footer { width: min(1160px, calc(100% - 48px)); margin: 0 auto; padding: 24px 0 34px; color: rgba(255, 255, 255, 0.48); font-size: 13px; }

.seo-footer a { color: rgba(255, 255, 255, 0.64); }

@media (max-width: 760px) {
  .seo-header { width: 100%; min-height: 64px; padding: 14px 20px; }
  .seo-header nav { gap: 12px; }
  .seo-header nav a:not(.seo-header__action) { display: none; }
  .seo-hero { min-height: 100vh; padding: 0 16px; }
  .public-hero-content { width: min(calc(100% - 32px), 1120px); }
  .public-hero-content h1 { font-size: 40px; }
  .public-hero-description { font-size: 16px; }
  .seo-hero__answer,
  .seo-hero__lead { font-size: 16px; }
  .seo-section { padding: 58px 16px; }
  .seo-grid,
  .seo-list { grid-template-columns: 1fr; }
  .seo-footer { width: min(100% - 32px, 1160px); }
}

/* Match the home header exactly: brand left, two links beside it, CTA right. */
.seo-header {
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 28px;
}

.seo-header nav {
  width: 100%;
  justify-content: flex-start;
  gap: 30px;
}

.seo-header__action {
  min-height: 36px;
  padding: 0 18px;
}

@media (max-width: 980px) {
  .seo-header {
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .seo-header nav {
    display: none;
  }
}

/* Same title block proportions as the Vue home page. */
.public-hero-host {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(calc(100% - 40px), 1120px);
  justify-items: center;
  gap: 18px;
  text-align: center;
}

.public-hero-host > .landing-kicker {
  margin: 0;
  color: #c4b5fd;
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0;
}

.public-hero-host > h1 {
  max-width: 900px;
  margin: 0;
  color: #fff;
  font-size: 72px;
  font-weight: 950;
  line-height: 1.06;
  letter-spacing: 0;
  text-shadow: 0 10px 40px rgba(0, 0, 0, 0.46);
}

.public-hero-host > .landing-hero__description {
  max-width: 760px;
  margin: 0;
  color: #cbd5e1;
  font-size: 18px;
  line-height: 1.8;
}

.public-hero-host .landing-hero__button {
  display: inline-flex;
  min-width: 160px;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 28px;
  color: #fff !important;
  border: 1px solid #7c3aed;
  border-radius: 999px;
  background: #7c3aed;
  font-size: 16px;
  font-weight: 800;
  text-decoration: none;
  transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.public-hero-host .landing-hero__button:hover {
  color: #fff !important;
  border-color: #5b21b6;
  background: #5b21b6;
  transform: translateY(-1px);
}

@media (max-width: 760px) {
  .public-hero-host {
    width: min(calc(100% - 32px), 1120px);
  }

  .public-hero-host > h1 {
    font-size: 40px;
  }

  .public-hero-host > .landing-hero__description {
    font-size: 16px;
  }
}

/* The static feature pages use the same header geometry as the Vue Home page. */
.seo-header {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  min-height: 76px;
  align-items: center;
  gap: 28px;
  padding: 18px 34px;
}

.seo-brand.landing-brand {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.seo-brand.landing-brand .landing-brand__mark {
  display: grid;
  width: 36px;
  height: 36px;
  flex: none;
  place-items: center;
  padding: 8px;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
}

.seo-brand.landing-brand strong {
  font-size: 18px;
  font-weight: 900;
  line-height: 1.5;
}

.seo-brand.landing-brand small {
  width: auto;
  padding: 2px 7px;
  color: #fff;
  background: #7c3aed;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
  line-height: 1.5;
}

.seo-header .landing-nav__links {
  display: flex;
  width: auto;
  align-items: center;
  justify-content: flex-start;
  gap: 30px;
}

.seo-header .landing-nav__links a {
  font-size: 14px;
}

.seo-header .landing-nav__button {
  min-height: 32px;
  padding: 8px 15px;
  border-radius: 999px;
  font-size: 14px;
  line-height: 1;
}

.seo-hero {
  grid-template-columns: minmax(0, 1fr);
}

.public-hero-host {
  width: min(calc(100% - 40px), 1120px);
}

.public-hero-host > h1 {
  font-size: clamp(38px, 5vw, 72px);
}

@media (max-width: 980px) {
  .seo-header {
    grid-template-columns: 1fr auto;
    padding: 14px 20px 0;
  }

  .seo-header .landing-nav__links {
    display: none;
  }
}

@media (max-width: 620px) {
  .seo-header {
    padding: 14px 16px;
  }

  .seo-brand.landing-brand small {
    display: none;
  }

  .public-hero-host {
    width: min(calc(100% - 32px), 1120px);
  }

  .public-hero-host > h1 {
    font-size: 34px;
  }
}