:root {
  --ink: #16181d;
  --muted: #586174;
  --soft: #7c8494;
  --paper: #fbfaf7;
  --surface: #ffffff;
  --line: #e7e3da;
  --blue: #2563eb;
  --blue-dark: #1746b5;
  --navy: #14213d;
  --mint: #26a98b;
  --radius: 22px;
  --shadow: 0 24px 70px rgba(20, 33, 61, .10);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 17px;
  line-height: 1.65;
  text-rendering: optimizeLegibility;
}
a { color: inherit; }
img { display: block; max-width: 100%; height: auto; }
.skip-link { position: fixed; left: 16px; top: -80px; z-index: 100; padding: 10px 14px; background: var(--ink); color: #fff; border-radius: 8px; }
.skip-link:focus { top: 16px; }
.container { width: min(1160px, calc(100% - 40px)); margin-inline: auto; }
.narrow { width: min(790px, calc(100% - 40px)); margin-inline: auto; }

.site-nav { position: sticky; top: 0; z-index: 20; background: rgba(251,250,247,.91); border-bottom: 1px solid rgba(231,227,218,.82); backdrop-filter: blur(16px); }
.nav-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: -.025em; text-decoration: none; }
.brand img { width: 34px; height: 34px; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: 14px; font-weight: 650; }
.nav-links a { text-decoration: none; color: #454c59; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--blue); }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid var(--ink); border-radius: 999px; color: #fff; background: var(--ink); font-size: 15px; font-weight: 720; text-decoration: none; transition: transform .16s ease, box-shadow .16s ease; }
.button:hover { transform: translateY(-1px); box-shadow: 0 10px 30px rgba(22,24,29,.16); }
.button-secondary { color: var(--ink); background: transparent; border-color: var(--line); }
.button-blue { background: var(--blue); border-color: var(--blue); }

.hero { padding: 88px 0 62px; overflow: hidden; }
.hero-grid { display: grid; grid-template-columns: minmax(0, .88fr) minmax(520px, 1.12fr); align-items: center; gap: 30px; }
.eyebrow { margin: 0 0 17px; color: var(--blue); font-size: 13px; font-weight: 800; letter-spacing: .14em; text-transform: uppercase; }
h1, h2, h3 { line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; }
h1 { margin: 0; font-size: clamp(44px, 6vw, 76px); }
h2 { margin: 0; font-size: clamp(32px, 4vw, 50px); }
h3 { margin: 0; font-size: 22px; letter-spacing: -.022em; }
.lead { max-width: 690px; margin: 24px 0 0; color: var(--muted); font-size: clamp(18px, 2vw, 22px); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 8px 18px; margin: 25px 0 0; padding: 0; color: var(--muted); font-size: 14px; list-style: none; }
.hero-proof li::before { content: "✓"; margin-right: 7px; color: var(--mint); font-weight: 900; }
.hero-media { position: relative; margin-right: -14vw; }
.hero-media img { width: 100%; border-radius: 32px; box-shadow: var(--shadow); }

.section { padding: 84px 0; }
.section.alt { background: #f3f6fc; border-block: 1px solid #e6ebf5; }
.section-head { max-width: 760px; margin-bottom: 36px; }
.section-head p { margin: 18px 0 0; color: var(--muted); font-size: 19px; }
.answer-box { margin: 26px 0 0; padding: 22px 24px; border-left: 4px solid var(--blue); border-radius: 0 14px 14px 0; background: #eef4ff; }
.answer-box strong { color: var(--navy); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 18px; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.card { padding: 28px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: 0 8px 30px rgba(20,33,61,.035); }
.card p { margin: 12px 0 0; color: var(--muted); }
.icon { width: 44px; height: 44px; margin-bottom: 22px; padding: 9px; border-radius: 12px; background: #edf3ff; }
.icon.mint { background: #e9f8f4; }
.metric { font-size: 34px; font-weight: 820; letter-spacing: -.045em; }
.metric-label { margin-top: 4px; color: var(--muted); font-size: 14px; }
.split { display: grid; grid-template-columns: 1fr 1fr; align-items: center; gap: 64px; }
.split img { border-radius: 26px; box-shadow: var(--shadow); }
.check-list { margin: 24px 0 0; padding: 0; list-style: none; }
.check-list li { position: relative; margin: 0 0 15px; padding-left: 32px; color: #394152; }
.check-list li::before { content: "✓"; position: absolute; left: 0; top: 0; color: var(--mint); font-weight: 900; }

.page-hero { padding: 72px 0 48px; text-align: center; }
.page-hero h1 { max-width: 900px; margin-inline: auto; font-size: clamp(42px, 6vw, 68px); }
.page-hero .lead { margin-inline: auto; }
.breadcrumb { margin-bottom: 22px; color: var(--soft); font-size: 14px; }
.breadcrumb a { color: var(--blue); }
.content h2 { margin-top: 52px; font-size: 34px; }
.content h3 { margin-top: 34px; }
.content p, .content li { color: #394152; }
.content a { color: var(--blue-dark); }
.content table { width: 100%; margin: 26px 0; border-collapse: collapse; font-size: 15px; }
.content th, .content td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.content th { background: #f1f5fb; }
.faq-list { display: grid; gap: 12px; }
details { padding: 20px 22px; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; }
summary { cursor: pointer; font-weight: 750; }
details p { margin: 12px 0 0; color: var(--muted); }

.pricing-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; align-items: stretch; }
.price-card { position: relative; display: flex; flex-direction: column; }
.price-card.featured { border-color: var(--blue); box-shadow: 0 22px 60px rgba(37,99,235,.13); }
.price { margin: 20px 0 4px; font-size: 38px; font-weight: 840; letter-spacing: -.05em; }
.price small { font-size: 15px; color: var(--muted); font-weight: 550; letter-spacing: 0; }
.price-card ul { flex: 1; margin: 22px 0; padding-left: 20px; color: var(--muted); }
.disclaimer { margin-top: 24px; color: var(--soft); font-size: 13px; }

.cta { padding: 54px; color: #fff; background: var(--navy); border-radius: 30px; }
.cta p { max-width: 680px; color: #cfd7e6; }
.cta .button { color: var(--navy); background: #fff; border-color: #fff; }
.site-footer { padding: 58px 0; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.site-footer h2 { font-size: 17px; letter-spacing: -.01em; }
.site-footer ul { margin: 14px 0 0; padding: 0; list-style: none; }
.site-footer li { margin-bottom: 8px; }
.site-footer a { color: var(--muted); font-size: 14px; text-decoration: none; }
.site-footer a:hover { color: var(--blue); }
.legal { margin-top: 38px; color: var(--soft); font-size: 12px; }

@media (max-width: 900px) {
  .nav-links a:not(.button) { display: none; }
  .hero { padding-top: 58px; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .hero-media { margin: 12px -34vw 0 4vw; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3, .pricing-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 620px) {
  .container, .narrow { width: min(100% - 28px, 1160px); }
  .site-nav .button { min-height: 40px; padding-inline: 15px; }
  .hero { padding: 48px 0 38px; }
  .hero-media { margin: 18px -70vw 0 -4vw; }
  .section { padding: 62px 0; }
  .grid-2, .grid-4, .footer-grid { grid-template-columns: 1fr; }
  .card { padding: 23px; }
  .cta { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; }
}

/* ---- Dark theme ---------------------------------------------------------
   Derived from the brand navy (#14213d). Accent hues (--blue, --mint) are
   unchanged so the dark-navy hero/illustration panels read identically on
   both themes. Follows the OS preference; a page can force a theme with
   <html data-theme="dark"> or <html data-theme="light">. */
:root { color-scheme: light dark; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #eef1f7;
    --muted: #a7b0c3;
    --soft: #8791a5;
    --paper: #0e1526;
    --surface: #182238;
    --line: #26334d;
    --shadow: 0 24px 70px rgba(0, 0, 0, .45);
  }
  :root:not([data-theme="light"]) .site-nav {
    background: rgba(14, 21, 38, .91);
    border-bottom-color: rgba(38, 51, 77, .82);
  }
  :root:not([data-theme="light"]) .nav-links a { color: #a7b0c3; }
  :root:not([data-theme="light"]) .skip-link { background: #eef1f7; color: #0e1526; }
}

:root[data-theme="dark"] {
  --ink: #eef1f7;
  --muted: #a7b0c3;
  --soft: #8791a5;
  --paper: #0e1526;
  --surface: #182238;
  --line: #26334d;
  --shadow: 0 24px 70px rgba(0, 0, 0, .45);
}
:root[data-theme="dark"] .site-nav {
  background: rgba(14, 21, 38, .91);
  border-bottom-color: rgba(38, 51, 77, .82);
}
:root[data-theme="dark"] .nav-links a { color: #a7b0c3; }
:root[data-theme="dark"] .skip-link { background: #eef1f7; color: #0e1526; }