* { box-sizing: border-box; }
html { font-size: 16px; }
body {
  margin: 0;
  background: var(--surface-base);
  color: var(--ink-500);
  font-family: var(--font);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input { font: inherit; }

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid var(--border-default);
  display: flex;
  justify-content: space-between;
  padding: var(--space-4) clamp(24px, 6vw, 96px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand { align-items: center; display: flex; gap: var(--space-3); text-decoration: none; }
.brand__mark {
  align-items: center;
  background: var(--brand-500);
  border-radius: 50%;
  color: white;
  display: inline-flex;
  font-size: 18px;
  font-weight: 700;
  height: 36px;
  justify-content: center;
  width: 36px;
}
.brand__mark--large { font-size: 32px; height: 64px; width: 64px; }
.brand__wordmark { color: var(--ink-900); font-size: 14px; font-weight: 700; letter-spacing: 0.08em; }
.brand__product { border-left: 1px solid var(--border-default); color: var(--ink-400); padding-left: var(--space-3); }
.site-nav { align-items: center; display: flex; gap: var(--space-5); }
.site-nav a { color: var(--ink-700); font-size: 14px; font-weight: 600; text-decoration: none; }
.site-nav a:hover { color: var(--brand-600); }
.site-nav form { margin: 0; }

.page-shell { margin: 0 auto; max-width: 1440px; padding: var(--space-7) clamp(24px, 6vw, 96px) var(--space-9); }
.card {
  background: var(--surface-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  transition: box-shadow var(--transition), transform var(--transition);
}
.card--active { background: var(--brand-100); border-color: var(--border-accent); }
.eyebrow {
  color: var(--brand-700);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin: 0 0 var(--space-3);
  text-transform: uppercase;
}
h1, h2, h3 { color: var(--ink-900); margin-top: 0; }
h1 { font-size: clamp(36px, 5vw, 48px); line-height: 1.15; }
h2 { font-size: clamp(28px, 3vw, 32px); line-height: 1.15; }
h3 { font-size: 20px; line-height: 1.25; }
p { line-height: 1.6; }

.issue { display: grid; gap: var(--space-7); }
.issue-hero { display: grid; gap: var(--space-7); grid-template-columns: minmax(0, 1fr) auto; padding: var(--space-7); }
.issue-hero h1 { margin-bottom: var(--space-4); max-width: 900px; }
.issue-hero__summary { color: var(--ink-700); font-size: 20px; margin: 0; max-width: 760px; }
.issue-hero__meta { color: var(--ink-500); display: grid; font-size: 14px; gap: var(--space-2); min-width: 180px; }
.section-grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(2, minmax(0, 1fr)); }
.news-section { padding: var(--space-6); }
.news-section__header { border-bottom: 1px solid var(--border-default); margin-bottom: var(--space-5); padding-bottom: var(--space-5); }
.news-section__header h2 { margin-bottom: var(--space-2); }
.news-section__header p:last-child { margin-bottom: 0; }
.news-list { display: grid; gap: var(--space-5); }
.news-item + .news-item { border-top: 1px solid var(--border-default); padding-top: var(--space-5); }
.news-item h3 { margin-bottom: var(--space-2); }
.news-item p { margin: 0; }
.source-count { color: var(--ink-400); font-size: 13px; padding-top: var(--space-3); }
.completeness { align-items: center; color: var(--ink-500); display: flex; font-size: 14px; gap: var(--space-2); }
.status-dot { background: var(--success); border-radius: 50%; height: 8px; width: 8px; }

.archive-heading { align-items: end; display: flex; justify-content: space-between; margin-bottom: var(--space-7); }
.archive-heading h1 { margin-bottom: 0; }
.archive-heading > p { max-width: 520px; }
.archive-grid { display: grid; gap: var(--space-5); grid-template-columns: repeat(3, minmax(0, 1fr)); }
.archive-card { display: block; min-height: 280px; text-decoration: none; }
.archive-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.archive-card__date { color: var(--brand-700); font-size: 14px; font-weight: 700; }
.archive-card h2 { font-size: 24px; margin: var(--space-5) 0 var(--space-3); }
.archive-card__link { color: var(--brand-500); display: inline-block; font-weight: 600; margin-top: var(--space-5); }
.empty-state { margin: var(--space-8) auto; max-width: 760px; padding: var(--space-7); text-align: center; }

.btn {
  align-items: center;
  border: 0;
  cursor: pointer;
  display: inline-flex;
  font-weight: 600;
  justify-content: center;
  text-decoration: none;
  transition: all var(--transition);
}
.btn-sm { border-radius: 8px; font-size: 14px; height: 32px; padding: 0 14px; }
.btn-lg { border-radius: 12px; font-size: 16px; height: 48px; padding: 0 22px; }
.btn-primary { background: var(--brand-500); color: white; }
.btn-primary:hover { background: var(--brand-600); }
.btn-secondary { background: white; color: var(--ink-900); }
.btn-secondary:hover { background: #e9eaf0; }
.btn:focus-visible, .input:focus { box-shadow: var(--shadow-focus); outline: none; }

.login-page { min-height: 100vh; }
.login-shell { display: grid; grid-template-columns: 1.15fr 0.85fr; min-height: 100vh; }
.login-brand {
  background: var(--ink-900);
  color: white;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(48px, 10vw, 144px);
}
.login-brand h1 { color: white; }
.login-brand > p:last-child { color: var(--ink-300); font-size: 20px; max-width: 520px; }
.login-brand .eyebrow { margin-top: var(--space-7); color: var(--brand-300); }
.login-card { align-self: center; justify-self: center; max-width: 440px; padding: var(--space-7); width: calc(100% - 48px); }
.login-card form { display: grid; gap: var(--space-5); }
.field { display: grid; gap: var(--space-2); }
.label { color: var(--ink-700); font-size: 14px; font-weight: 600; }
.input {
  background: white;
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  color: var(--ink-900);
  height: 48px;
  padding: 0 14px;
  transition: all var(--transition);
  width: 100%;
}
.input:focus { border-color: var(--brand-500); }
.form-error { color: var(--danger); }

@media (max-width: 900px) {
  .section-grid, .archive-grid { grid-template-columns: 1fr; }
  .issue-hero { grid-template-columns: 1fr; }
  .login-shell { grid-template-columns: 1fr; }
  .login-brand { min-height: 40vh; padding: var(--space-7) var(--space-5); }
  .login-card { margin: var(--space-7) auto; }
}
@media (max-width: 680px) {
  .site-header { align-items: flex-start; gap: var(--space-4); }
  .brand__product, .site-nav a:first-child { display: none; }
  .site-nav { gap: var(--space-3); }
  .page-shell { padding-top: var(--space-5); }
  .issue-hero, .news-section { padding: var(--space-5); }
  .archive-heading { align-items: start; display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; transition: none !important; }
}