:root {
  --navy: #0A2540;
  --blue: #2563EB;
  --blue-700: #1D4ED8;
  --gold: #F59E0B;
  --gold-600: #D97706;
  --white: #FFFFFF;
  --surface: #F8FAFC;
  --ink: #0F172A;
  --body: #475569;
  --muted: #94A3B8;
  --border: #E2E8F0;

  --radius: 12px;
  --shadow: 0 1px 2px rgba(10, 37, 64, .06), 0 4px 16px rgba(10, 37, 64, .06);
  --shadow-lg: 0 2px 4px rgba(10, 37, 64, .06), 0 12px 32px rgba(10, 37, 64, .10);
  --font-head: "Sora", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --header-h: 72px;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--body);
  background: var(--white);
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--blue); }
h1, h2, h3 { font-family: var(--font-head); color: var(--navy); line-height: 1.15; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }

.container { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.skip-link {
  position: absolute; left: 16px; top: -48px; z-index: 200;
  background: var(--navy); color: var(--white); padding: 8px 16px; border-radius: 8px;
  transition: top .2s;
}
.skip-link:focus { top: 16px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 12px 24px; border-radius: var(--radius);
  font: 600 .95rem/1.2 var(--font-body);
  text-decoration: none; border: 2px solid transparent; cursor: pointer;
  transition: background-color .2s, color .2s, border-color .2s, transform .2s, box-shadow .2s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary { background: var(--blue); color: var(--white); }
.btn-primary:hover { background: var(--blue-700); }
.btn-secondary { border-color: var(--navy); color: var(--navy); background: transparent; }
.btn-secondary:hover { background: var(--navy); color: var(--white); }
.btn-accent { background: var(--gold); color: var(--navy); box-shadow: 0 6px 20px rgba(245, 158, 11, .3); }
.btn-accent:hover { background: var(--gold-600); color: var(--white); }
.btn-accent:focus-visible { outline-color: var(--white); }

/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100; height: var(--header-h);
  background: rgba(255, 255, 255, .92);
  -webkit-backdrop-filter: saturate(180%) blur(10px); backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; }
.brand-mark { flex: none; }
.wordmark { font: 700 1.5rem/1 var(--font-head); letter-spacing: -.01em; color: var(--navy); }
.footer-brand .wordmark { color: var(--white); }
.footer-brand .brand { display: inline-flex; }

.nav-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; border-radius: 8px;
}
.nav-toggle .bars, .nav-toggle .bars::before, .nav-toggle .bars::after {
  display: block; width: 22px; height: 2px; background: var(--navy); border-radius: 2px;
  transition: transform .25s, background-color .25s;
}
.nav-toggle .bars { position: relative; }
.nav-toggle .bars::before, .nav-toggle .bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle .bars::before { top: -7px; }
.nav-toggle .bars::after { top: 7px; }
.nav-toggle[aria-expanded="true"] .bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .bars::before { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .bars::after { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav (default) */
.nav {
  position: absolute; top: var(--header-h); left: 0; right: 0;
  background: var(--white); border-bottom: 1px solid var(--border);
  padding: 8px 24px 24px; box-shadow: var(--shadow-lg);
  display: none; flex-direction: column; gap: 16px;
}
.nav.is-open { display: flex; }
.nav a:not(.btn) { display: block; padding: 12px 0; color: var(--ink); font-weight: 500; text-decoration: none; border-bottom: 1px solid var(--border); }
.nav a:not(.btn):hover { color: var(--blue); }

/* Hero */
.hero { position: relative; background: var(--navy); color: var(--white); overflow: hidden; padding: 72px 0 80px; }
.hero-bg { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-inner { position: relative; }
.eyebrow { font: 600 .8rem/1 var(--font-body); text-transform: uppercase; letter-spacing: .14em; color: var(--gold); margin-bottom: 20px; }
.eyebrow-dark { color: var(--gold-600); }
.hero h1 { color: var(--white); font-size: clamp(2.25rem, 7vw, 4rem); font-weight: 700; max-width: 16ch; }
.lead { margin-top: 24px; max-width: 52ch; font-size: 1.15rem; color: #CBD5E1; }
.hero-actions { margin-top: 40px; display: flex; flex-wrap: wrap; align-items: center; gap: 16px 28px; }
.link-arrow { color: var(--white); font-weight: 600; text-decoration: none; border-bottom: 2px solid rgba(255, 255, 255, .35); padding-bottom: 2px; transition: border-color .2s; }
.link-arrow:hover { border-color: var(--gold); }
.link-arrow:focus-visible { outline-color: var(--white); }

/* Sections */
.section { padding: 56px 0; }
.section-alt { background: var(--surface); }
.section-head { max-width: 640px; margin-bottom: 40px; }
.section-head h2 { font-size: clamp(1.75rem, 4.5vw, 2.5rem); font-weight: 700; }
.section-head h2::after { content: ""; display: block; width: 48px; height: 3px; background: var(--gold); border-radius: 2px; margin-top: 20px; }
.section-lead { margin-top: 20px; font-size: 1.1rem; }

.grid { display: grid; gap: 24px; grid-template-columns: 1fr; }

.card, .diff {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 32px 28px; box-shadow: var(--shadow);
  transition: transform .25s, box-shadow .25s, border-color .25s;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: #CBD5E1; }
.card h3, .diff h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: 8px; }
.icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 48px; height: 48px; border-radius: var(--radius); background: var(--navy); margin-bottom: 20px;
}
.icon svg { width: 24px; height: 24px; fill: none; stroke: var(--gold); stroke-width: 1.7; stroke-linecap: round; stroke-linejoin: round; }

/* Steps */
.steps { display: grid; gap: 24px; grid-template-columns: 1fr; counter-reset: s; }
.step { position: relative; padding-top: 24px; border-top: 2px solid var(--border); }
.step::before { content: ""; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--gold); }
.step-num { font: 700 .85rem/1 var(--font-head); color: var(--blue); letter-spacing: .08em; }
.step h3 { margin: 12px 0 8px; font-size: 1.35rem; }

.diff { border-top: 3px solid var(--blue); }

/* CTA band */
.cta-band { background: var(--navy); color: var(--white); padding: 56px 0; border-top: 3px solid var(--gold); }
.cta-inner { display: flex; flex-direction: column; align-items: flex-start; gap: 28px; }
.cta-band h2 { color: var(--white); font-size: clamp(1.6rem, 4vw, 2.25rem); }
.cta-band p { margin-top: 12px; color: #CBD5E1; }

/* Footer */
.site-footer { background: #071B30; color: #CBD5E1; padding: 56px 0 0; font-size: .95rem; }
.footer-inner { display: grid; gap: 32px; grid-template-columns: 1fr; padding-bottom: 40px; }
.footer-brand p { margin-top: 16px; max-width: 32ch; color: var(--muted); }
.footer-nav { display: flex; flex-wrap: wrap; gap: 8px 24px; }
.site-footer a { color: #E2E8F0; text-decoration: none; }
.site-footer a:hover { color: var(--gold); }
.site-footer a:focus-visible { outline-color: var(--white); }
.footer-bottom { display: flex; flex-direction: column; gap: 8px; padding-top: 24px; padding-bottom: 32px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .85rem; color: var(--muted); }
.footer-bottom .container { padding: 0; }

/* Scroll reveal */
.js .reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

/* Tablet+ */
@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); gap: 32px; }
  .cta-inner { flex-direction: row; align-items: center; justify-content: space-between; }
  .footer-bottom { flex-direction: row; justify-content: space-between; }
}

/* Desktop */
@media (min-width: 960px) {
  :root { --header-h: 80px; }
  .section { padding: 96px 0; }
  .section-head { margin-bottom: 56px; }
  .hero { padding: 144px 0 152px; }
  .cta-band { padding: 80px 0; }

  .nav-toggle { display: none; }
  .nav {
    position: static; display: flex; flex-direction: row; align-items: center; gap: 32px;
    padding: 0; border: 0; box-shadow: none; background: transparent;
  }
  .nav ul { display: flex; gap: 32px; }
  .nav a:not(.btn) { padding: 4px 0; border: 0; font-size: .95rem; }
  .nav a:not(.btn):hover { color: var(--blue); }

  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .steps { grid-template-columns: repeat(4, 1fr); }
  .footer-inner { grid-template-columns: 1.4fr 1fr 1fr; align-items: start; }
  .footer-contact { text-align: right; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}