:root {
  --paper: #F7F5E8;
  --paper-deep: #BFC3C6;
  --black: #202326;
  --accent: #526B82;
  --silver: #BFC3C6;
  --line: rgba(32, 35, 38, .15);
  --white-line: rgba(247, 245, 232, .17);
  --sans: "DM Sans", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Newsreader", Georgia, serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: hidden; }
body { min-width: 320px; margin: 0; overflow-x: hidden; background: var(--paper); color: var(--black); font-family: var(--sans); -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 4px; }
button, a { touch-action: manipulation; }
.container { width: min(1120px, calc(100% - 48px)); margin: 0 auto; }

.nav-wrap { position: fixed; z-index: 50; top: 16px; left: 50%; width: min(860px, calc(100% - 32px)); transform: translateX(-50%); }
.nav { position: relative; display: flex; align-items: center; gap: 22px; min-height: 58px; padding: 8px 12px 8px 15px; border: 1px solid rgba(32,35,38,.1); border-radius: 999px; background: rgba(247,245,232,.82); box-shadow: 0 10px 32px rgba(32,35,38,.1); backdrop-filter: blur(14px); }
.brand { display: inline-flex; align-items: center; gap: 10px; margin-right: auto; font-size: 15px; font-weight: 600; letter-spacing: -.04em; }
.brand-logo { display: block; width: 27px; height: 29px; object-fit: contain; }
.nav-links { display: flex; align-items: center; gap: 23px; color: var(--accent); font-size: 12px; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--black); }
.nav-cta { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 0 17px; border-radius: 999px; background: var(--black); color: var(--paper); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; }
.nav-cta:hover { background: var(--accent); }
.nav-menu { display: none; width: 44px; height: 44px; align-items: center; justify-content: center; padding: 0; border: 0; border-radius: 50%; background: transparent; color: var(--black); cursor: pointer; font-size: 22px; line-height: 1; }
.nav-menu[aria-expanded="true"] { transform: rotate(90deg); }

.page-hero { position: relative; isolation: isolate; display: flex; min-height: 72vh; min-height: 72svh; align-items: flex-end; overflow: hidden; padding: 150px 24px 84px; }
.page-hero::before { content: ""; position: absolute; z-index: -2; inset: 0; background: radial-gradient(circle at 78% 22%, rgba(82,107,130,.3), transparent 27%), radial-gradient(circle at 14% 80%, rgba(191,195,198,.55), transparent 31%), var(--paper); }
.page-hero::after { content: ""; position: absolute; z-index: -1; top: 11%; right: -9vw; width: min(52vw, 690px); aspect-ratio: 1; border: 1px solid rgba(82,107,130,.13); border-radius: 50%; box-shadow: 0 0 0 48px rgba(82,107,130,.035), 0 0 0 96px rgba(82,107,130,.025); }
.hero-inner { position: relative; z-index: 1; width: min(1120px, 100%); margin: 0 auto; }
.eyebrow, .section-kicker { display: flex; align-items: center; gap: 9px; margin: 0 0 23px; color: var(--accent); font-family: var(--mono); font-size: 10px; letter-spacing: .1em; text-transform: uppercase; }
.eyebrow::before, .section-kicker::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
h1 { max-width: 930px; margin: 0; font-size: clamp(50px, 7.2vw, 92px); font-weight: 500; letter-spacing: -.085em; line-height: .91; }
h1 em { color: var(--accent); font-family: var(--serif); font-style: italic; font-weight: 300; }
.hero-lede { max-width: 680px; margin: 30px 0 0; color: rgba(32,35,38,.72); font-size: clamp(17px, 2vw, 21px); letter-spacing: -.025em; line-height: 1.48; }

.summary { padding: 78px 0 82px; background: var(--black); color: var(--paper); }
.summary-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 110px; align-items: start; }
.summary h2, .content-section h2 { margin: 0; font-size: clamp(39px, 5vw, 63px); font-weight: 500; letter-spacing: -.075em; line-height: .96; }
.summary h2 span, .content-section h2 span { color: var(--silver); }
.summary-copy { max-width: 570px; }
.summary-copy p { margin: 0 0 20px; color: rgba(247,245,232,.7); font-size: 16px; line-height: 1.6; }
.summary-copy p:last-child { margin-bottom: 0; }

.content-section { padding: 96px 0 105px; }
.content-section.alt { background: var(--paper-deep); }
.section-head { display: grid; grid-template-columns: 1fr .72fr; gap: 80px; align-items: end; margin-bottom: 48px; }
.section-head h2 span { color: var(--accent); }
.section-intro { max-width: 390px; margin: 0 0 4px; color: var(--accent); font-size: 15px; line-height: 1.55; }
.card-grid { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.card { min-width: 0; min-height: 230px; padding: 25px 27px 29px 0; }
.card + .card { padding-left: 27px; border-left: 1px solid var(--line); }
.card-number { color: var(--accent); font-family: var(--mono); font-size: 10px; }
.card h3 { margin: 31px 0 13px; font-size: 23px; font-weight: 500; letter-spacing: -.05em; line-height: 1.05; }
.card p { margin: 0; color: var(--accent); font-size: 14px; line-height: 1.52; }

.detail-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.detail-row { display: grid; grid-template-columns: 58px .75fr 1.5fr; gap: 30px; padding: 25px 0 28px; border-bottom: 1px solid var(--line); }
.detail-number { color: var(--accent); font-family: var(--mono); font-size: 10px; }
.detail-row h3 { margin: 0; font-size: 22px; font-weight: 500; letter-spacing: -.045em; }
.detail-row p { max-width: 560px; margin: 0; color: var(--accent); font-size: 14px; line-height: 1.55; }

.definition-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line); border: 1px solid var(--line); }
.definition { padding: 34px; background: var(--paper); }
.definition h3 { margin: 0 0 13px; font-size: 24px; font-weight: 500; letter-spacing: -.05em; }
.definition p { margin: 0; color: var(--accent); font-size: 14px; line-height: 1.55; }
.fine-print { max-width: 760px; margin: 0; color: rgba(247,245,232,.68); font-size: 14px; line-height: 1.6; }

.steps { display: grid; grid-template-columns: repeat(5, 1fr); margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--white-line); border-bottom: 1px solid var(--white-line); }
.steps li { min-width: 0; min-height: 245px; padding: 24px 22px 28px 0; }
.steps li + li { padding-left: 22px; border-left: 1px solid var(--white-line); }
.steps .step-number { color: var(--silver); font-family: var(--mono); font-size: 10px; }
.steps h3 { margin: 31px 0 13px; color: var(--paper); font-size: 20px; font-weight: 500; letter-spacing: -.045em; }
.steps p { margin: 0; color: rgba(247,245,232,.62); font-size: 13px; line-height: 1.5; }
.dark { background: var(--black); color: var(--paper); }
.dark .section-kicker { color: var(--silver); }
.dark .section-kicker::before { background: var(--silver); }
.dark .section-head h2 span { color: var(--silver); }
.dark .section-intro { color: rgba(247,245,232,.62); }

.callout { padding: 88px 0; background: var(--accent); color: var(--paper); }
.callout-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 70px; }
.callout h2 { max-width: 760px; margin: 0; font-size: clamp(42px, 6vw, 76px); font-weight: 500; letter-spacing: -.08em; line-height: .94; }
.callout p { max-width: 285px; margin: 0; color: rgba(247,245,232,.72); font-size: 14px; line-height: 1.5; }
.callout a { display: inline-flex; margin-top: 20px; padding-bottom: 3px; border-bottom: 1px solid rgba(247,245,232,.55); color: var(--paper); font-weight: 600; }

.footer { display: flex; min-height: 54px; align-items: center; justify-content: space-between; gap: 24px; padding: 12px 24px; background: var(--silver); color: var(--black); font-family: var(--mono); font-size: 10px; }
.footer-links { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 10px 20px; }
.footer-links a:hover { color: var(--accent); }

@media (max-width: 820px) {
  .nav-links { gap: 14px; }
  .container { width: min(100% - 40px, 700px); }
  .page-hero { min-height: 66vh; min-height: 66svh; padding-top: 132px; }
  .summary-grid, .section-head { grid-template-columns: 1fr; gap: 32px; }
  .card-grid { grid-template-columns: 1fr; }
  .card, .card + .card { min-height: auto; padding: 24px 0 28px; border-top: 1px solid var(--line); border-left: 0; }
  .card:first-child { border-top: 0; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .steps li:nth-child(3), .steps li:nth-child(5) { padding-left: 0; border-top: 1px solid var(--white-line); border-left: 0; }
  .steps li:nth-child(4) { border-top: 1px solid var(--white-line); }
  .callout-inner { display: block; }
  .callout p { margin-top: 28px; }
}

@media (max-width: 620px) {
  .nav-wrap { top: 10px; width: calc(100% - 22px); }
  .nav { min-height: 54px; padding-left: 11px; }
  .brand-logo { width: 25px; height: 27px; }
  .nav-links { display: none; }
  .nav.is-menu-open .nav-links { position: absolute; top: calc(100% + 8px); right: 0; left: 0; display: flex; flex-direction: column; align-items: stretch; gap: 2px; padding: 8px; border: 1px solid rgba(32,35,38,.12); border-radius: 20px; background: rgba(247,245,232,.97); box-shadow: 0 16px 40px rgba(32,35,38,.14); backdrop-filter: blur(14px); }
  .nav.is-menu-open .nav-links a { display: flex; min-height: 44px; align-items: center; padding: 10px 14px; border-radius: 12px; }
  .nav-menu { display: inline-flex; }
  .nav-cta { min-height: 44px; padding: 0 12px; font-size: 10px; }
  .page-hero { min-height: 620px; padding: 118px 20px 62px; }
  .page-hero::after { top: 16%; right: -42vw; width: 100vw; }
  h1 { font-size: clamp(44px, 13vw, 62px); }
  .summary, .content-section { padding: 72px 0 78px; }
  .summary h2, .content-section h2 { font-size: 40px; }
  .detail-row { grid-template-columns: 34px 1fr; gap: 12px; }
  .detail-row p { grid-column: 2; }
  .definition-grid { grid-template-columns: 1fr; }
  .definition { padding: 27px 23px; }
  .steps { grid-template-columns: 1fr; }
  .steps li, .steps li + li, .steps li:nth-child(3), .steps li:nth-child(4), .steps li:nth-child(5) { min-height: auto; padding: 22px 0 25px; border-top: 1px solid var(--white-line); border-left: 0; }
  .steps li:first-child { border-top: 0; }
  .callout { padding: 72px 0; }
  .callout h2 { font-size: 46px; }
  .footer { display: block; padding: 17px 20px; line-height: 1.45; }
  .footer-links { justify-content: flex-start; margin-top: 10px; }
}

@media (max-width: 380px) {
  .nav { gap: 10px; }
  .brand { gap: 7px; font-size: 14px; }
  .nav-cta { padding: 0 10px; font-size: 9px; }
  h1 { font-size: 42px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}
