/*──────────────────────────────────────────────
  𝙈𝙚𝙘𝙝𝙖𝙩𝙧𝙤𝙣𝙞𝙘𝙨 𝙋𝙖𝙮𝙡𝙤𝙖𝙙 — GLOBAL STYLE SHEET
  Author: Matthew Dubea • Rev 2025‑07‑23
──────────────────────────────────────────────*/

/* 1. Design Tokens */
:root {
  --clr-ink: #12263A;
  --clr-ink-soft: #4d5b6b;
  --clr-primary: #003D7A;
  --clr-primary-dark: #002956;
  --clr-accent: #0080FF;
  --clr-bg: #f7f9fc;
  --clr-card: #ffffff;
  --clr-card-inset: #eef3f9;
  --radius: 8px;
  --shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
  --max-w: 1150px;
}

/* 2. Reset & Base */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  background: var(--clr-bg);
  color: var(--clr-ink);
  -webkit-font-smoothing: antialiased;
}
h1, h2, h3 {
  line-height: 1.25;
  margin-bottom: .35rem;
  color: var(--clr-ink);
}
h1 { font-size: 1.85rem; font-weight: 600; }
h2 { font-size: 1.4rem;  font-weight: 600; margin-top: 1.4rem; }
p, li { color: var(--clr-ink-soft); }
a { color: var(--clr-accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; border-radius: var(--radius); }

/* 3. Header / Navigation */
.site-header {
  background: var(--clr-primary);
  color: #fff;
  padding: 1rem 1.5rem;
  box-shadow: var(--shadow);
  display: flex; align-items: center; flex-wrap: wrap; gap: 1rem;
}
.brand h1       { margin: 0; font-size: 1.6rem; color: #fff; }
.brand .tagline { font-size: 0.85rem; color: #e4ecf8; }
.site-nav        { margin-left: auto; display: flex; flex-wrap: wrap; gap: 1.2rem; }
.site-nav a      { color: #ffffff; font-weight: 500; opacity: 0.85; }
.site-nav a:hover,
.site-nav a.active { opacity: 1; text-decoration: underline; }

/* 4. Section / Card Layout */
main { padding: 2rem 1.25rem; }
section { max-width: var(--max-w); margin: 0 auto 2rem; }
.card {
  background: var(--clr-card);
  padding: 1.3rem 1.5rem;
  margin-bottom: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

/* 5. Hero Banner (NEW) */
.hero {
  background: linear-gradient(135deg, #003d7a 0%, #065dbe 100%);
  color: #fff;
  text-shadow: 0 1px 3px rgba(0,0,0,.4);
}
.hero p           { color: #eaf3ff; }
.hero .btn.outline{ border-color:#fff; color:#fff; }
.hero .btn.outline:hover { background:#fff; color:#003d7a; }

/* 6. Buttons */
.btn {
  display: inline-flex; align-items: center; gap: .45rem;
  font-weight: 600;
  padding: .58rem 1.2rem;
  border-radius: 6px;
  cursor: pointer;
  line-height: 1;
  transition: background .2s, border-color .2s, color .2s;
}
.btn.primary  { background: var(--clr-primary); color: #fff; }
.btn.primary:hover { background: var(--clr-primary-dark); }
.btn.outline  { background: none; border: 2px solid var(--clr-primary); color: var(--clr-primary); }
.btn.outline:hover { background: var(--clr-primary); color: #fff; }
.cta-row { display:flex; flex-wrap:wrap; gap:1rem; margin-top:1.2rem; }

/* 7. Tables */
table { width:100%; border-collapse:collapse; margin-top:1rem; }
th, td { padding:.75rem 1rem; text-align:left; vertical-align:top; }
th { background: var(--clr-primary); color:#fff; font-weight:600; }
tbody tr:nth-child(odd) { background: var(--clr-card-inset); }
tbody tr:hover          { background:#ddeaf8; }

/* 8. Bullet Lists */
ul { padding-left:1.2rem; margin-top:.6rem; margin-bottom:1rem; }
ul li { padding:.3rem 0; }

/* 9. Gallery Grid */
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.2rem;
}
.gallery figure {
  background: var(--clr-card);
  box-shadow: var(--shadow);
  border-radius: var(--radius);
  overflow: hidden;
}
figcaption {
  font-size: 0.9rem;
  padding: 0.65rem 0.9rem;
  background: var(--clr-card-inset);
}

/* 10. YouTube Embed */
.video-wrap { position:relative; padding-top:56.25%; margin-bottom:1rem; }
.video-wrap iframe {
  position:absolute; top:0; left:0; width:100%!important; height:100%!important;
  border:0; border-radius:var(--radius); box-shadow:var(--shadow);
}
.vid-caption { font-size:.92rem; color:var(--clr-ink-soft); margin-bottom:1.5rem; }

/* 11. Details/Toggle */
details { margin-top:.75rem; }
summary { cursor:pointer; font-weight:500; color:var(--clr-primary); margin-bottom:.5rem; }

/* 12. Footer */
footer {
  text-align:center; font-size:.88rem; color:var(--clr-ink-soft);
  padding:2rem 1rem 3rem;
}

/* 13. Code / Syntax Highlighting */
pre {
  overflow-x:auto;
  background:#0d1117;
  margin:1rem 0;
  border-radius:8px;
  padding:1rem;
}
pre code {
  background:none;
  color:#c9d1d9;
  font-size:.9rem;
  line-height:1.45;
}

/* 14. PDF Embed */
.pdf-embed {
  width:100%;
  height:650px;
  border:none;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  margin-top:.9rem;
}

/* 15. Utility */
.small-note { font-size:.88rem; color:var(--clr-ink-soft); }
.sr-only {
  position:absolute; width:1px; height:1px; padding:0; margin:-1px;
  overflow:hidden; clip:rect(0,0,0,0); border:0;
}

/* 16. Responsive */
@media (max-width: 640px) {
  h1 { font-size: 1.45rem; }
  h2 { font-size: 1.2rem; }
  .site-nav { gap: 0.6rem; }
  .brand h1 { font-size: 1.35rem; }
}

/*───────── LEGIBILITY FIXES ─────────*/
.site-header .brand, .site-header .brand * { color:#ffffff !important; }