/* Slabular — logo-matched UI (brand field blue #4269f5 + white lockup) */
:root {
  --brand-blue: #4269f5;
  --brand-blue-deep: #2f4fd6;
  --brand-blue-ink: #243cb8;
  --white: #ffffff;
  --white-soft: rgba(255, 255, 255, 0.86);
  --white-mute: rgba(255, 255, 255, 0.68);
  --line: rgba(255, 255, 255, 0.18);
  --max: 720px;
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --radius: 14px;
  --shadow: 0 18px 50px rgba(15, 35, 120, 0.28);
  --focus: 2px solid #ffffff;
  --page-bg: var(--brand-blue);
  --text: var(--white);
  --text-soft: var(--white-soft);
  --text-mute: var(--white-mute);
  --link: var(--white);
  --header-bg: color-mix(in srgb, var(--brand-blue) 92%, #000 8%);
  --footer-bg: color-mix(in srgb, var(--brand-blue-deep) 88%, #000 12%);
}

/* Dark mode stays in the brand-blue family (no gray/purple drift) */
@media (prefers-color-scheme: dark) {
  :root {
    --page-bg: var(--brand-blue-ink);
    --header-bg: color-mix(in srgb, var(--brand-blue-ink) 90%, #000 10%);
    --footer-bg: color-mix(in srgb, #1a2a8a 92%, #000 8%);
    --line: rgba(255, 255, 255, 0.14);
    --shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
  }
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--text);
  background: var(--page-bg);
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: rgba(255, 255, 255, 0.45);
  text-underline-offset: 0.15em;
}

a:hover {
  text-decoration-color: #fff;
}

a:focus-visible,
button:focus-visible {
  outline: var(--focus);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  padding: 0.5rem 0.75rem;
  background: var(--white);
  color: var(--brand-blue);
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
}

.skip-link:focus {
  top: 1rem;
}

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






main {
  flex: 1;
}

.hero {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 4.5rem 0 5.5rem;
  text-align: center;
  min-height: calc(100vh - 7rem);
}

.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.35rem;
}

.hero-lockup {
  width: min(100%, 22rem);
  height: auto;
  filter: drop-shadow(0 12px 28px rgba(15, 35, 120, 0.25));
}

.hero-mark {
  display: none;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2rem, 5.2vw, 3.1rem);
  line-height: 1.12;
  letter-spacing: -0.03em;
  font-weight: 700;
  color: var(--white);
}

.hero-sub {
  margin: 0;
  max-width: 34rem;
  font-size: 1.125rem;
  color: var(--text-soft);
}

.page {
  padding: 3rem 0 4rem;
}

.prose h1 {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  letter-spacing: -0.02em;
  color: var(--white);
}

.prose p {
  color: var(--text-soft);
  margin: 0 0 1rem;
}

.prose.center {
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--text-mute);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 0.5rem;
  padding: 0.7rem 1.25rem;
  border-radius: 999px;
  background: var(--white);
  color: var(--brand-blue);
  font-weight: 600;
  text-decoration: none;
  box-shadow: var(--shadow);
}

.btn:hover {
  text-decoration: none;
  filter: brightness(1.04);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.5rem 0 2rem;
  background: var(--footer-bg);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  align-items: center;
  text-align: center;
  font-size: 0.9375rem;
}

.footer-brand {
  margin: 0;
  font-weight: 600;
}

.footer-brand a {
  text-decoration: none;
}

.footer-brand a:hover {
  text-decoration: underline;
  text-decoration-color: #fff;
}

.footer-nav {
  display: flex;
  gap: 1rem;
}

.footer-copy {
  margin: 0.25rem 0 0;
  color: var(--text-mute);
  font-size: 0.875rem;
}

@media (min-width: 640px) {
  .footer-inner {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-between;
    text-align: left;
  }

  .footer-copy {
    width: 100%;
    text-align: center;
  }
}