/* BlueFlash SEO / guide pages — shared with marketing landing */

:root {
  --bf-navy: #002f6c;
  --bf-navy-deep: #001428;
  --bf-navy-mid: #003d8f;
  --bf-sky: #4da3ff;
  --bf-sky-soft: #e8f2ff;
  --bf-text: #1d1d1f;
  --bf-text-dim: #6e6e73;
  --bf-bg: #ffffff;
  --bf-bg-alt: #f5f5f7;
  --bf-radius: 20px;
  --bf-max: 1140px;
  --bf-font: "IBM Plex Sans", system-ui, -apple-system, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--bf-font);
  color: var(--bf-text);
  background: var(--bf-bg);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.bf-site {
  min-height: 100dvh;
}

.bf-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem clamp(1.25rem, 4vw, 2.5rem);
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(0, 0, 0, 0.06);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.04);
}

.bf-nav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
}

.bf-nav-mark {
  width: 44px;
  height: 44px;
  border-radius: 10px;
}

.bf-wm-blue {
  color: var(--bf-navy);
}

.bf-wm-flash {
  color: var(--bf-sky);
}

.bf-nav-links {
  display: none;
  gap: 1.25rem;
  margin-left: auto;
  margin-right: 1rem;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--bf-text-dim);
}

.bf-nav-links a:hover {
  color: var(--bf-navy);
}

@media (min-width: 768px) {
  .bf-nav-links {
    display: flex;
  }
}

.bf-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.bf-btn--primary {
  background: linear-gradient(135deg, var(--bf-navy), var(--bf-navy-mid));
  color: #fff;
  box-shadow: 0 4px 14px rgba(0, 47, 108, 0.25);
}

.bf-btn--white {
  background: #fff;
  color: var(--bf-navy);
}

.bf-btn--lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
}

.bf-seo-main {
  padding: 2rem clamp(1.25rem, 4vw, 2.5rem) 0;
}

.bf-breadcrumb {
  max-width: var(--bf-max);
  margin: 0 auto 1.25rem;
  font-size: 0.85rem;
  color: var(--bf-text-dim);
}

.bf-breadcrumb a {
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bf-seo-layout {
  max-width: var(--bf-max);
  margin: 0 auto;
  display: grid;
  gap: 2.5rem;
}

@media (min-width: 960px) {
  .bf-seo-layout {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: start;
  }
}

.bf-seo-article {
  min-width: 0;
}

.bf-eyebrow {
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--bf-navy-mid);
  margin: 0 0 0.75rem;
}

.bf-seo-article h1 {
  font-size: clamp(1.85rem, 4vw, 2.65rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.15;
  color: var(--bf-navy-deep);
  margin: 0 0 1.5rem;
}

.bf-seo-article h2 {
  font-size: clamp(1.25rem, 2.5vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--bf-navy);
  margin: 2.25rem 0 0.85rem;
}

.bf-seo-article h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--bf-navy-deep);
  margin: 1.5rem 0 0.5rem;
}

.bf-seo-article p {
  margin: 0 0 1rem;
  font-size: 1.02rem;
  line-height: 1.75;
  color: var(--bf-text);
}

.bf-seo-article ul,
.bf-seo-article ol {
  margin: 0 0 1.25rem;
  padding-left: 1.35rem;
  line-height: 1.7;
}

.bf-seo-article li {
  margin-bottom: 0.45rem;
}

.bf-seo-article strong {
  font-weight: 600;
  color: var(--bf-navy-deep);
}

.bf-seo-article code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.9em;
  background: var(--bf-bg-alt);
  padding: 0.12rem 0.35rem;
  border-radius: 4px;
}

.bf-seo-table-wrap {
  overflow-x: auto;
  margin: 1.25rem 0 1.5rem;
}

.bf-seo-article table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.95rem;
}

.bf-seo-article th,
.bf-seo-article td {
  padding: 0.65rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

.bf-seo-article th {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--bf-text-dim);
  background: var(--bf-bg-alt);
}

.bf-seo-aside {
  position: sticky;
  top: 5.5rem;
}

.bf-seo-aside-card {
  background: var(--bf-bg-alt);
  border-radius: var(--bf-radius);
  padding: 1.25rem;
  border: 1px solid rgba(0, 0, 0, 0.06);
}

.bf-seo-aside-card h2 {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--bf-text-dim);
  margin: 0 0 0.85rem;
}

.bf-seo-aside-card ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.bf-seo-aside-card li {
  margin-bottom: 0.55rem;
}

.bf-seo-aside-card a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--bf-navy-mid);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.bf-seo-aside-card a:hover {
  color: var(--bf-navy);
}

.bf-seo-cta {
  max-width: var(--bf-max);
  margin: 3rem auto 0;
  padding: clamp(2rem, 5vw, 3rem);
  border-radius: var(--bf-radius);
  background: linear-gradient(135deg, var(--bf-navy-deep), var(--bf-navy));
  color: #fff;
  text-align: center;
}

.bf-seo-cta h2 {
  font-size: clamp(1.4rem, 3vw, 2rem);
  margin: 0 0 0.75rem;
}

.bf-seo-cta p {
  opacity: 0.85;
  max-width: 32rem;
  margin: 0 auto 1.5rem;
  line-height: 1.6;
}

.bf-foot {
  margin-top: 3rem;
  padding: 2.5rem clamp(1.25rem, 4vw, 2.5rem);
  border-top: 1px solid rgba(0, 0, 0, 0.06);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: var(--bf-text-dim);
}

.bf-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
}

.bf-foot-links a:hover {
  color: var(--bf-navy);
}