:root {
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-bg-dark: #0a192f;
  --color-text: #121212;
  --color-text-muted: #3d4f63;
  --color-primary: #004b87;
  --color-primary-dark: #003660;
  --color-accent: #d1a100;
  --color-accent-dark: #a67c00;
  --color-focus: #005a9c;
  --color-border: #c5d3e3;
  --color-error: #9b1c1c;
  --font-main: "Source Sans 3", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Fraunces", Georgia, "Times New Roman", serif;
  --max: 72rem;
  --radius: 0.75rem;
  --shadow: 0 12px 40px rgba(10, 25, 47, 0.08);
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background: var(--color-bg);
}

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

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

*:focus-visible {
  outline: 3px solid var(--color-focus) !important;
  outline-offset: 3px !important;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100%;
  z-index: 9999;
  background: var(--color-bg-dark);
  color: #fff;
  padding: 0.75rem 1rem;
  border-radius: var(--radius);
  text-decoration: none;
}
.skip-link:focus { top: 1rem; }

.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0);
  white-space: nowrap; border: 0;
}

.wrap { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(8px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.5rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text);
  min-height: 44px;
}

.brand-mark {
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  flex-shrink: 0;
}

.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand-name { font-family: var(--font-display); font-weight: 600; font-size: 1.05rem; }
.brand-sub { font-size: 0.8rem; color: var(--color-text-muted); }

.nav-toggle {
  display: none;
  min-width: 44px;
  min-height: 44px;
  border: 1px solid var(--color-border);
  background: #fff;
  border-radius: var(--radius);
  cursor: pointer;
}
.nav-toggle .bar {
  display: block;
  width: 1.25rem;
  height: 2px;
  background: var(--color-text);
  margin: 0.3rem auto;
  box-shadow: 0 5px 0 var(--color-text), 0 -5px 0 var(--color-text);
}

.primary-nav .nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
  align-items: center;
}

.primary-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0.35rem 0.5rem;
  text-decoration: none;
  font-weight: 600;
  color: var(--color-text);
  border-radius: 0.35rem;
}
.primary-nav a[aria-current="page"] {
  color: var(--color-primary);
  background: rgba(0, 75, 135, 0.08);
}

.hero {
  background: linear-gradient(160deg, #eef4fb 0%, #fff 55%, #fdf8e8 100%);
  padding: 3rem 0 4rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 2.5rem;
  align-items: center;
}

.hero-copy h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  line-height: 1.15;
  margin: 0.5rem 0 0.75rem;
  color: var(--color-bg-dark);
}

.hero-credentials {
  font-size: 1.1rem;
  color: var(--color-primary);
  font-weight: 600;
  margin: 0 0 1rem;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  margin: 0;
}

.lede, .section-lede {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 42rem;
}

.hero-portrait img {
  border-radius: 1.25rem;
  box-shadow: var(--shadow);
  object-fit: cover;
  width: 100%;
  max-height: 34rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  min-width: 44px;
  padding: 0.65rem 1.25rem;
  border-radius: 999px;
  border: 2px solid transparent;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}

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

.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover { background: rgba(0,75,135,0.06); }

.btn-danger {
  background: var(--color-error);
  color: #fff;
  border-color: var(--color-error);
}

.linkish {
  background: none;
  border: none;
  color: var(--color-primary);
  text-decoration: underline;
  cursor: pointer;
  font: inherit;
  min-height: 44px;
  padding: 0.25rem;
}

.text-link { font-weight: 700; }

.section { padding: 3.5rem 0; }
.section-alt { background: var(--color-bg-alt); }

.section-head { margin-bottom: 2rem; }
.section-head h2, .page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin: 0 0 0.75rem;
  color: var(--color-bg-dark);
}

.split-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 1rem;
  flex-wrap: wrap;
}

.page-hero { padding: 2.5rem 0 1rem; background: linear-gradient(180deg, #eef4fb, #fff); }
.page-hero-compact { padding-bottom: 0.5rem; }

.grid { display: grid; gap: 1.25rem; }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.card {
  background: #fff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem 1.35rem;
  box-shadow: 0 2px 8px rgba(10,25,47,0.04);
}

.card h2, .card h3 { margin-top: 0; font-family: var(--font-display); }
.pillar-card { border-top: 4px solid var(--color-accent); }

.meta { color: var(--color-text-muted); font-size: 0.92rem; display: flex; flex-wrap: wrap; gap: 0.5rem 1rem; align-items: center; }
.tag {
  display: inline-block;
  background: rgba(0,75,135,0.1);
  color: var(--color-primary);
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.78rem;
}

.timeline {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 3px solid var(--color-accent);
}
.timeline li {
  padding: 0.75rem 0 0.75rem 1.25rem;
  position: relative;
}
.timeline li::before {
  content: "";
  position: absolute;
  left: -0.55rem;
  top: 1.1rem;
  width: 0.75rem;
  height: 0.75rem;
  background: var(--color-primary);
  border-radius: 50%;
}
.timeline time { font-weight: 700; color: var(--color-primary); }

.prose-grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 2rem;
  align-items: start;
}

.prose h2 {
  font-family: var(--font-display);
  margin-top: 2rem;
  color: var(--color-bg-dark);
}

.aside-card {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.aside-card figcaption { margin-top: 0.5rem; font-size: 0.9rem; color: var(--color-text-muted); }

.fact-list { margin: 0; }
.fact-list dt { font-weight: 700; margin-top: 0.75rem; }
.fact-list dd { margin: 0.15rem 0 0; color: var(--color-text-muted); }

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.filter-btn {
  min-height: 44px;
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-border);
  background: #fff;
  border-radius: 999px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  color: var(--color-text);
  display: inline-flex;
  align-items: center;
}
.filter-btn.is-active, .filter-btn[aria-pressed="true"] {
  background: var(--color-primary);
  color: #fff;
  border-color: var(--color-primary);
}

.article-list { list-style: none; margin: 0; padding: 0; }
.article-item {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 0;
}
.article-item[hidden] { display: none; }
.article-item h2 { font-family: var(--font-display); font-size: 1.35rem; margin: 0.35rem 0; }

.presentation-list { display: grid; gap: 2.5rem; }
.presentation-block h2 { font-family: var(--font-display); }

.video-wrap {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius);
  background: #000;
  margin: 1rem 0;
}
.video-wrap iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(16rem, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.gallery-trigger {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  padding: 0;
  cursor: pointer;
  text-align: left;
}
.gallery-trigger img { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.gallery-title {
  display: block;
  padding: 0.75rem;
  font-weight: 700;
}

.lightbox[hidden] { display: none; }
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
}
.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(10,25,47,0.85);
}
.lightbox-panel {
  position: relative;
  z-index: 1;
  max-width: min(90vw, 56rem);
  background: #fff;
  border-radius: var(--radius);
  padding: 1rem;
}
.lightbox-close {
  position: absolute;
  top: 0.5rem;
  right: 0.5rem;
  min-width: 44px;
  min-height: 44px;
  font-size: 1.75rem;
  border: none;
  background: #fff;
  cursor: pointer;
  border-radius: 50%;
}

.recaptcha-field { overflow-x: auto; margin-bottom: 1rem; }

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 2rem;
}

.field { margin-bottom: 1rem; }
.field label { display: block; font-weight: 700; margin-bottom: 0.35rem; }
.field input, .field textarea, .field select {
  width: 100%;
  min-height: 44px;
  padding: 0.65rem 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: 0.5rem;
  font: inherit;
  background: #fff;
}
.field textarea { min-height: 8rem; resize: vertical; }
.field-error { color: var(--color-error); font-weight: 600; margin: 0.35rem 0 0; }
.field-honeypot { position: absolute; left: -9999px; height: 0; overflow: hidden; }

.error-summary {
  background: #fdeaea;
  border: 2px solid var(--color-error);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1.25rem;
}

.banner {
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  margin: 1rem 0;
  font-weight: 600;
}
.banner-ok { background: #e8f5ea; border: 1px solid #2e7d32; color: #1b5e20; }
.banner-err { background: #fdeaea; border: 1px solid var(--color-error); color: var(--color-error); }

.site-footer {
  background: var(--color-bg-dark);
  color: #e8eef5;
  padding: 2.5rem 0 1rem;
  margin-top: 2rem;
}
.site-footer a { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 2rem;
}
.footer-title { font-family: var(--font-display); font-size: 1.2rem; margin: 0 0 0.5rem; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 0.35rem; }
.footer-note { grid-column: 1 / -1; font-size: 0.92rem; opacity: 0.85; }
.copyright { opacity: 0.7; font-size: 0.85rem; padding-bottom: 1rem; }

/* Admin */
.admin-body { background: #f0f3f8; }
.admin-header { background: var(--color-bg-dark); color: #fff; padding: 0.75rem 0; }
.admin-header a { color: #fff; }
.admin-nav { list-style: none; display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; margin: 0; padding: 0; }
.admin-main { padding: 2rem 0 3rem; }
.admin-page-title { font-family: var(--font-display); }
.admin-form .field { max-width: 40rem; }
.admin-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius); padding: 1rem; margin-bottom: 1rem; }
.admin-stats .card { text-align: center; }
.admin-stats strong { display: block; font-size: 2rem; font-family: var(--font-display); color: var(--color-primary); }
.admin-list { list-style: none; padding: 0; }
.admin-list li { padding: 0.75rem 0; border-bottom: 1px solid var(--color-border); }

.minimal-body { min-height: 100vh; display: grid; place-items: center; background: var(--color-bg-alt); }
.minimal-card { background: #fff; border-radius: var(--radius); padding: 2rem; box-shadow: var(--shadow); max-width: 28rem; width: 100%; }

@media (max-width: 900px) {
  .hero-grid, .prose-grid, .contact-grid, .grid-4, .grid-3, .grid-2, .footer-grid {
    grid-template-columns: 1fr;
  }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .primary-nav .nav-list {
    display: none;
    flex-direction: column;
    align-items: stretch;
    padding: 1rem 0;
  }
  .primary-nav.is-open .nav-list { display: flex; }
  .header-inner { flex-wrap: wrap; }
  .primary-nav { width: 100%; }
}