/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Tokens ── */
:root {
  --color-primary: #2D5F8A;
  --color-secondary: #E8927C;
  --color-accent: #F4C752;
  --color-text: #1A2A3A;
  --color-text-secondary: #5A6A7A;
  --color-bg: #F5F0EB;
  --color-surface: #FFFFFF;
  --color-border: #E8E2DA;
  --font-serif: 'Fraunces', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
  --radius: 16px;
  --radius-sm: 12px;
}

/* ── Base ── */
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--color-primary); text-decoration: underline; text-underline-offset: 2px; }
a:hover { color: var(--color-text); }
a:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
img { display: block; max-width: 100%; height: auto; }

/* ── Blog header ── */
.blog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  max-width: 760px;
  margin: 0 auto;
}
.blog-header__home {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--color-text);
}
.blog-header__logo { width: 40px; height: 20px; }
.blog-header__name {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 16px;
}
.blog-header__cta {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  padding: 8px 16px;
  border: 1px solid var(--color-primary);
  border-radius: var(--radius-sm);
  transition: background 0.15s, color 0.15s;
}
.blog-header__cta:hover {
  background: var(--color-primary);
  color: #fff;
}

/* ── Article ── */
.article {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 64px;
}
.article__meta {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-bottom: 12px;
}
.article__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 32px;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}
@media (min-width: 769px) {
  .article__title { font-size: 40px; }
}
.article__intro {
  font-size: 18px;
  line-height: 1.7;
  color: var(--color-text-secondary);
  margin-bottom: 40px;
  border-left: 3px solid var(--color-secondary);
  padding-left: 20px;
}

/* ── Prose ── */
.prose h2 {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 24px;
  line-height: 1.3;
  margin: 48px 0 16px;
}
@media (min-width: 769px) {
  .prose h2 { font-size: 28px; }
}
.prose h3 {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 18px;
  margin: 32px 0 12px;
}
.prose p {
  margin-bottom: 20px;
  font-size: 16px;
}
.prose ul, .prose ol {
  margin: 0 0 20px 24px;
  font-size: 16px;
}
.prose li {
  margin-bottom: 8px;
  line-height: 1.6;
}
.prose strong { font-weight: 600; }
.prose em { font-style: italic; }
.prose blockquote {
  border-left: 3px solid var(--color-primary);
  padding: 16px 20px;
  margin: 24px 0;
  background: var(--color-surface);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 15px;
  color: var(--color-text-secondary);
}

/* ── Data cards ── */
.data-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  margin: 24px 0;
  box-shadow: 0 1px 4px rgba(26, 42, 58, 0.06);
}
.data-card__label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 8px;
}
.data-card__value {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 28px;
  color: var(--color-text);
}

/* ── Name lists ── */
.name-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 8px;
  margin: 20px 0 28px;
}
.name-chip {
  background: var(--color-surface);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  font-family: var(--font-serif);
  font-size: 15px;
  text-align: center;
  box-shadow: 0 1px 2px rgba(26, 42, 58, 0.04);
}

/* ── CTA block ── */
.cta-block {
  text-align: center;
  padding: 48px 24px;
  margin: 48px 0;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(26, 42, 58, 0.06);
}
.cta-block__text {
  font-family: var(--font-serif);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 20px;
}
.cta-block__btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  font-size: 16px;
  padding: 14px 28px;
  border-radius: var(--radius);
  text-decoration: none;
  transition: transform 0.15s, box-shadow 0.15s;
}
.cta-block__btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(45, 95, 138, 0.25);
  color: #fff;
}
.cta-block__sub {
  font-size: 13px;
  color: var(--color-text-secondary);
  margin-top: 12px;
}

/* ── Footer ── */
.footer {
  text-align: center;
  padding: 32px 24px 24px;
  border-top: 1px solid var(--color-border);
  max-width: 760px;
  margin: 0 auto;
}
.footer__brand { font-size: 13px; color: var(--color-text-secondary); }
.footer__legal { margin-top: 8px; font-size: 12px; color: var(--color-text-secondary); }
.footer__legal a { text-underline-offset: 2px; }

/* ── Blog index ── */
.blog-index {
  max-width: 680px;
  margin: 0 auto;
  padding: 0 24px 64px;
}
.blog-index__title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 32px;
  margin-bottom: 8px;
}
.blog-index__sub {
  color: var(--color-text-secondary);
  margin-bottom: 40px;
}
.blog-index__list { list-style: none; }
.blog-index__item {
  padding: 24px;
  background: var(--color-surface);
  border-radius: var(--radius);
  margin-bottom: 16px;
  box-shadow: 0 1px 4px rgba(26, 42, 58, 0.06);
  transition: box-shadow 0.15s;
}
.blog-index__item:hover {
  box-shadow: 0 4px 16px rgba(26, 42, 58, 0.1);
}
.blog-index__item a { text-decoration: none; color: inherit; display: block; }
.blog-index__item-title {
  font-family: var(--font-serif);
  font-weight: 600;
  font-size: 20px;
  margin-bottom: 8px;
  color: var(--color-text);
}
.blog-index__item-excerpt {
  font-size: 14px;
  color: var(--color-text-secondary);
  line-height: 1.6;
}
.blog-index__item-meta {
  font-size: 12px;
  color: var(--color-text-secondary);
  margin-top: 12px;
}

/* ── Reduced motion ── */
@media (prefers-reduced-motion: reduce) {
  .cta-block__btn, .blog-index__item { transition: none; }
  html { scroll-behavior: auto; }
}