:root {
  --background: #f8f7fc;
  --surface: #ffffff;
  --text: #171525;
  --muted: #625f70;
  --primary: #6655e8;
  --primary-dark: #4c3dc3;
  --accent: #f3c967;
  --border: rgba(23, 21, 37, 0.11);
  --shadow: 0 22px 60px rgba(45, 35, 100, 0.1);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 4%, rgba(243, 201, 103, 0.28), transparent 28rem),
    radial-gradient(circle at 92% 20%, rgba(102, 85, 232, 0.17), transparent 30rem),
    var(--background);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont,
    "Segoe UI", sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

.site-header {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  text-decoration: none;
  font-size: 18px;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background: var(--primary);
  font-weight: 800;
}

.brand strong span {
  color: var(--primary);
}

.header-link {
  color: var(--muted);
  font-size: 14px;
  font-weight: 650;
  text-decoration: none;
}

.header-link:hover {
  color: var(--primary);
}

.page-shell {
  width: min(1050px, calc(100% - 40px));
  margin: 0 auto;
  padding: 54px 0 80px;
}

.breadcrumbs {
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 14px;
}

.breadcrumbs a {
  text-decoration: none;
}

.hero {
  max-width: 850px;
  margin-bottom: 48px;
}

.eyebrow {
  display: inline-flex;
  padding: 7px 12px;
  border: 1px solid rgba(102, 85, 232, 0.2);
  border-radius: 999px;
  color: var(--primary-dark);
  background: rgba(102, 85, 232, 0.08);
  font-size: 13px;
  font-weight: 750;
}

h1 {
  margin: 18px 0;
  font-size: clamp(38px, 7vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.045em;
}

.hero-lead {
  max-width: 760px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: clamp(18px, 2.5vw, 22px);
}

.primary-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 22px;
  border-radius: 13px;
  color: #fff;
  background: var(--primary);
  box-shadow: 0 12px 25px rgba(102, 85, 232, 0.25);
  font-weight: 750;
  text-decoration: none;
  transition: transform 0.15s ease, background 0.15s ease;
}

.primary-cta:hover {
  transform: translateY(-2px);
  background: var(--primary-dark);
}

.content-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 285px;
  gap: 32px;
  align-items: start;
}

.article-card,
.side-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.article-card {
  padding: clamp(24px, 5vw, 54px);
}

.article-card h2 {
  margin: 46px 0 12px;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.025em;
}

.article-card h2:first-child {
  margin-top: 0;
}

.article-card h3 {
  margin: 24px 0 7px;
  font-size: 19px;
  line-height: 1.35;
}

.article-card p,
.article-card li {
  color: var(--muted);
}

.article-card strong {
  color: var(--text);
}

.steps {
  padding-left: 22px;
}

.steps li {
  margin-bottom: 18px;
  padding-left: 7px;
}

.service-box {
  margin: 38px 0;
  padding: 25px;
  border: 1px solid rgba(102, 85, 232, 0.2);
  border-radius: 18px;
  background: rgba(102, 85, 232, 0.065);
}

.service-box h2 {
  margin-top: 0;
}

.check-list {
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  margin: 13px 0;
  padding-left: 28px;
}

.check-list li::before {
  position: absolute;
  left: 0;
  content: "✓";
  color: var(--primary);
  font-weight: 800;
}

.side-card {
  position: sticky;
  top: 20px;
  padding: 24px;
}

.side-card h2 {
  margin: 0 0 10px;
  font-size: 22px;
  line-height: 1.2;
}

.side-card p {
  color: var(--muted);
  font-size: 15px;
}

.side-card .primary-cta {
  width: 100%;
  margin-top: 8px;
  text-align: center;
}

.faq {
  margin-top: 36px;
}

.faq details {
  padding: 17px 0;
  border-bottom: 1px solid var(--border);
}

.faq summary {
  cursor: pointer;
  font-weight: 750;
}

.faq details p {
  margin-bottom: 0;
}

.related-guide {
  margin-top: 36px;
  padding-top: 25px;
  border-top: 1px solid var(--border);
}

.related-guide a {
  color: var(--primary-dark);
  font-weight: 750;
}

.site-footer {
  padding: 34px 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  background: rgba(255, 255, 255, 0.55);
  text-align: center;
  font-size: 14px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px 22px;
  margin-bottom: 12px;
}

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

.footer-links a:hover {
  color: var(--primary);
}

@media (max-width: 820px) {
  .content-grid {
    grid-template-columns: 1fr;
  }

  .side-card {
    position: static;
  }

  .page-shell {
    padding-top: 30px;
  }
}

@media (max-width: 520px) {
  .site-header,
  .page-shell {
    width: min(100% - 28px, 1050px);
  }

  .header-link {
    display: none;
  }

  h1 {
    font-size: 42px;
  }

  .primary-cta {
    width: 100%;
  }

  .article-card {
    border-radius: 18px;
  }
}