:root {
  --ink: #091738;
  --ink-soft: #4b5671;
  --paper: #fbfbfe;
  --surface: #ffffff;
  --surface-alt: #f2f4ff;
  --brand: #4b2fd1;
  --brand-dark: #2c197f;
  --brand-pale: #ece9ff;
  --accent: #00a7ad;
  --line: #dde1f0;
  --danger: #9a3412;
  --radius: 1.15rem;
  --shadow: 0 18px 55px rgba(16, 35, 63, .09);
  --content: 74rem;
  --reading: 48rem;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font: 400 1rem/1.7 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

img, svg { display: block; max-width: 100%; }
a { color: var(--brand-dark); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: .14em; }
button, input, textarea { font: inherit; }

:focus-visible {
  outline: .2rem solid #00a7ad;
  outline-offset: .22rem;
  border-radius: .2rem;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: .5rem;
  left: .5rem;
  padding: .65rem 1rem;
  color: #fff;
  background: var(--ink);
  transform: translateY(-160%);
}
.skip-link:focus { transform: none; }

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

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(251, 251, 254, .96);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-height: 5rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .7rem;
  color: var(--ink);
  font-weight: 800;
  font-size: 1.22rem;
  text-decoration: none;
  letter-spacing: -.025em;
}
.brand img { width: 12rem; height: auto; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: .35rem;
}
.site-nav a {
  padding: .45rem .65rem;
  color: var(--ink);
  font-size: .93rem;
  font-weight: 650;
  text-decoration: none;
}
.site-nav a[aria-current="page"] { color: var(--brand-dark); text-decoration: underline; }
.site-nav .nav-cta { padding-inline: .9rem; color: #fff; background: var(--brand); border-radius: 999px; }

.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(3.5rem, 8vw, 7.5rem) 0 clamp(3rem, 7vw, 6rem);
}
.hero::after {
  position: absolute;
  z-index: -1;
  top: -8rem;
  right: -10rem;
  width: 33rem;
  height: 33rem;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(100,63,241,.16), rgba(100,63,241,0) 68%);
  content: "";
}
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(18rem, .75fr); gap: clamp(2rem, 6vw, 5rem); align-items: center; }
.eyebrow {
  margin: 0 0 .8rem;
  color: var(--brand-dark);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
}
h1, h2, h3 { color: var(--ink); line-height: 1.12; letter-spacing: -.035em; text-wrap: balance; }
h1 { max-width: 19ch; margin: 0; font-size: clamp(2.45rem, 6vw, 5.25rem); }
h2 { margin: 2.8rem 0 1rem; font-size: clamp(1.7rem, 3.5vw, 2.65rem); }
h3 { margin: 2rem 0 .65rem; font-size: clamp(1.18rem, 2vw, 1.45rem); }
p, li { max-width: 75ch; }
.lead { max-width: 65ch; margin: 1.2rem 0 0; color: var(--ink-soft); font-size: clamp(1.1rem, 2vw, 1.3rem); }
.hero-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.7rem; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: .72rem 1.15rem;
  border: 2px solid var(--brand);
  border-radius: 999px;
  color: #fff;
  background: var(--brand);
  font-weight: 750;
  line-height: 1.2;
  text-decoration: none;
}
.button:hover { background: var(--brand-dark); border-color: var(--brand-dark); }
.button.secondary { color: var(--ink); background: transparent; border-color: var(--line); }

.hero-panel, .card, .callout, .cta-box {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.hero-panel { padding: clamp(1.25rem, 4vw, 2.2rem); }
.hero-panel h2 { margin-top: 0; font-size: 1.25rem; }
.check-list { padding: 0; list-style: none; }
.check-list li { position: relative; padding-left: 1.75rem; margin: .65rem 0; }
.check-list li::before { position: absolute; left: 0; color: var(--brand); font-weight: 900; content: "✓"; }

.trust-strip { padding: 1.1rem 0; color: var(--ink-soft); background: var(--surface-alt); border-block: 1px solid var(--line); }
.trust-strip ul { display: flex; flex-wrap: wrap; justify-content: center; gap: .55rem 2rem; margin: 0; padding: 0; list-style: none; }
.trust-strip strong { color: var(--ink); }

.section { padding: clamp(3.2rem, 7vw, 6rem) 0; }
.section.alt { background: var(--surface-alt); border-block: 1px solid var(--line); }
.section-heading { max-width: 48rem; margin-bottom: 2rem; }
.section-heading h2 { margin-top: 0; }

.grid { display: grid; gap: 1rem; }
.grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.card { padding: 1.35rem; box-shadow: 0 10px 32px rgba(16, 35, 63, .06); }
.card h2, .card h3 { margin-top: .15rem; }
.card h2 { font-size: 1.35rem; }
.card p:last-child { margin-bottom: 0; }
.card-link { display: inline-block; font-weight: 750; }
.tag { display: inline-block; margin-bottom: .7rem; padding: .22rem .55rem; color: var(--brand-dark); background: var(--brand-pale); border-radius: 999px; font-size: .76rem; font-weight: 800; }

.page-head { padding: clamp(2.8rem, 6vw, 5rem) 0 2.5rem; border-bottom: 1px solid var(--line); background: linear-gradient(145deg, var(--paper), var(--surface-alt)); }
.page-head h1 { font-size: clamp(2.2rem, 5vw, 4.1rem); }
.breadcrumb { padding-top: 1rem; font-size: .88rem; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: .45rem; margin: 0; padding: 0; list-style: none; }
.breadcrumb li:not(:last-child)::after { margin-left: .45rem; color: #7a8798; content: "/"; }
.breadcrumb [aria-current="page"] { color: var(--ink-soft); }

.article-layout { display: grid; grid-template-columns: minmax(0, var(--reading)) minmax(12rem, 17rem); gap: clamp(2rem, 6vw, 5rem); align-items: start; }
.article { min-width: 0; }
.article > :first-child { margin-top: 0; }
.article h2 { padding-top: .6rem; }
.article h2, .article h3 { scroll-margin-top: 1rem; }
.article-meta { display: flex; flex-wrap: wrap; gap: .4rem 1.2rem; margin: 1rem 0 0; color: var(--ink-soft); font-size: .92rem; }
.article-aside { position: sticky; top: 1rem; padding: 1rem; border-left: .2rem solid var(--brand); background: var(--surface-alt); }
.article-aside strong { display: block; margin-bottom: .45rem; }
.article-aside a { display: block; margin: .45rem 0; }

.callout { margin: 1.4rem 0; padding: 1.1rem 1.25rem; border-left: .3rem solid var(--brand); box-shadow: none; }
.callout.warning { border-left-color: var(--accent); }
.callout.fact { background: #f3f8ff; border-left-color: #1b6ef3; }
.callout p:first-child { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

.table-wrap { overflow-x: auto; margin: 1.3rem 0; border: 1px solid var(--line); border-radius: .7rem; background: var(--surface); }
table { width: 100%; border-collapse: collapse; font-size: .94rem; }
th, td { padding: .8rem .9rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--ink); background: var(--surface-alt); }
tr:last-child td { border-bottom: 0; }

details { margin: .7rem 0; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: .75rem; background: var(--surface); }
summary { cursor: pointer; color: var(--ink); font-weight: 750; }
details p:last-child { margin-bottom: 0; }

.source-list { font-size: .92rem; }
.source-list li { margin: .55rem 0; overflow-wrap: anywhere; }
.responsibility { color: var(--ink-soft); font-size: .9rem; }

.cta-box { margin-top: 2.5rem; padding: clamp(1.35rem, 4vw, 2.2rem); color: #fff; background: var(--ink); border-color: var(--ink); }
.cta-box h2, .cta-box h3 { margin-top: 0; color: #fff; }
.cta-box p { color: #dce7f4; }
.cta-box .button { color: var(--ink); background: var(--accent); border-color: var(--accent); }

.site-footer { padding: 3rem 0 2rem; color: #dce7f4; background: #0b1a2d; }
.footer-grid { display: grid; grid-template-columns: 1.3fr repeat(3, 1fr); gap: 2rem; }
.site-footer h2 { margin-top: 0; color: #fff; font-size: 1rem; letter-spacing: 0; }
.site-footer a { color: #e8fff6; }
.site-footer ul { margin: 0; padding: 0; list-style: none; }
.site-footer li { margin: .45rem 0; }
.footer-note { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid #324157; color: #aebdce; font-size: .86rem; }

.not-found { min-height: 60vh; display: grid; place-items: center; text-align: center; }
.not-found h1 { max-width: none; }

@media (max-width: 58rem) {
  .nav-shell { align-items: flex-start; flex-direction: column; padding-block: 1rem; }
  .site-nav { width: 100%; justify-content: flex-start; }
  .hero-grid, .article-layout { grid-template-columns: 1fr; }
  .article-aside { position: static; }
  .grid.three, .footer-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 38rem) {
  .container { width: min(calc(100% - 1.2rem), var(--content)); }
  .site-nav { gap: .15rem; }
  .site-nav a { padding: .42rem .48rem; font-size: .86rem; }
  .grid.two, .grid.three, .footer-grid { grid-template-columns: 1fr; }
  h1 { font-size: 2.35rem; }
}

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

@media print {
  .site-header, .site-footer, .article-aside, .hero-actions, .cta-box { display: none; }
  body { color: #000; background: #fff; }
  a { color: #000; text-decoration: underline; }
  .section { padding-block: 1rem; }
}