:root {
  --color-primary: #1E2761;
  --color-primary-dark: #141B47;
  --color-ice: #CADCFC;
  --color-gold: #E8A93B;
  --color-text: #1B1F3B;
  --color-text-muted: #5B6178;
  --color-bg: #FFFFFF;
  --color-bg-alt: #F4F6FC;
  --color-border: #DDE1EE;
  --radius: 12px;
  --max-width: 1120px;
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --font-serif: Cambria, "Times New Roman", serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  font-size: 16px;
}

img { max-width: 100%; display: block; }

a { color: var(--color-primary); }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(6px);
  z-index: 50;
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 20px;
  color: var(--color-primary);
  text-decoration: none;
}

.brand .mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}

nav.main-nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

nav.main-nav a {
  color: var(--color-text);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
}

nav.main-nav a:hover,
nav.main-nav a[aria-current="page"] {
  color: var(--color-primary);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}
.btn-primary:hover { background: var(--color-primary-dark); }

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

section { padding: 72px 0; }
section.tight { padding: 48px 0; }
section.alt { background: var(--color-bg-alt); }
section.dark { background: var(--color-primary); color: #fff; }
section.dark h1, section.dark h2, section.dark p { color: #fff; }
section.dark .text-muted { color: var(--color-ice); }

h1 {
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 48px);
  line-height: 1.15;
  margin: 0 0 16px;
}
h2 {
  font-family: var(--font-serif);
  font-size: clamp(26px, 3.5vw, 34px);
  margin: 0 0 12px;
}
h3 { font-size: 20px; margin: 0 0 8px; }

.text-muted { color: var(--color-text-muted); }
.lede { font-size: 19px; color: var(--color-text-muted); max-width: 640px; }

.hero {
  padding: 96px 0 72px;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  nav.main-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    gap: 16px;
  }
  nav.main-nav.nav-open { display: flex; }
  .nav-toggle { display: block; }
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
@media (max-width: 860px) {
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
}

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
}

.icon-circle {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.stat {
  text-align: left;
}
.stat .num {
  font-family: var(--font-serif);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
}
.stat .label { color: var(--color-text-muted); font-size: 14px; }

.steps {
  counter-reset: step;
}
.step {
  display: flex;
  gap: 20px;
  margin-bottom: 32px;
}
.step .num {
  flex: none;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.faq details {
  border-bottom: 1px solid var(--color-border);
  padding: 18px 0;
}
.faq summary {
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  list-style: none;
}
.faq summary::-webkit-details-marker { display: none; }
.faq p { margin: 12px 0 0; color: var(--color-text-muted); }

.cta-banner {
  background: var(--color-primary);
  border-radius: var(--radius);
  padding: 40px;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}
.cta-banner h2, .cta-banner p { color: #fff; margin: 0; }

.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 48px 0;
  color: var(--color-text-muted);
  font-size: 14px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 24px;
  margin-bottom: 32px;
}
@media (max-width: 860px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-grid h4 { font-size: 13px; text-transform: uppercase; letter-spacing: 0.04em; color: var(--color-text); margin: 0 0 12px; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 8px; }
.footer-grid a { color: var(--color-text-muted); text-decoration: none; }
.footer-grid a:hover { color: var(--color-primary); }

form.contact-form { display: flex; flex-direction: column; gap: 16px; max-width: 480px; }
form.contact-form label { font-size: 13px; font-weight: 600; margin-bottom: 4px; display: block; }
form.contact-form input, form.contact-form select, form.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  font-family: inherit;
  font-size: 15px;
}

.breadcrumbs { font-size: 13px; color: var(--color-text-muted); margin-bottom: 16px; }
.breadcrumbs a { color: var(--color-text-muted); }

article.post h2 { margin-top: 40px; }
article.post p { margin: 0 0 16px; }
article.post ul { margin: 0 0 16px; padding-left: 20px; }
article.post table { width: 100%; border-collapse: collapse; margin: 24px 0; }
article.post th, article.post td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--color-border); font-size: 14px; }

.tag-list { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 16px; }
.tag { background: var(--color-bg-alt); color: var(--color-primary); font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px; }

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: #fff;
  padding: 10px 16px;
  border-radius: 8px;
  z-index: 100;
}
.skip-link:focus { left: 16px; top: 16px; }