:root {
  --bg: #0b1220;
  --bg-alt: #101a2e;
  --card: #141f38;
  --border: #223154;
  --text: #e8edf7;
  --text-dim: #a9b4c9;
  --accent: #4fd1c5;
  --accent-dim: #2c7a72;
  --danger: #f2a65a;
  --radius: 10px;
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.brand {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: 0.2px;
}
.brand span { color: var(--accent); }

nav.site-nav a {
  color: var(--text-dim);
  margin-left: 24px;
  font-size: 0.95rem;
}
nav.site-nav a:hover { color: var(--text); text-decoration: none; }

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

.hero {
  padding: 96px 24px 64px;
  text-align: center;
}

.hero h1 {
  font-size: 2.4rem;
  margin: 0 0 12px;
  letter-spacing: -0.5px;
}

.hero .role {
  color: var(--accent);
  font-weight: 600;
  font-size: 1.05rem;
  margin-bottom: 18px;
}

.hero p.lead {
  max-width: 640px;
  margin: 0 auto 28px;
  color: var(--text-dim);
  font-size: 1.05rem;
}

.hero-links a {
  display: inline-block;
  margin: 0 8px;
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 0.9rem;
}
.hero-links a.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #04211f;
  font-weight: 600;
}
.hero-links a.primary:hover { text-decoration: none; opacity: 0.9; }
.hero-links a:not(.primary):hover { text-decoration: none; border-color: var(--accent); }

section { padding: 48px 24px; }

h2.section-title {
  font-size: 1.5rem;
  margin-bottom: 8px;
  text-align: center;
}
p.section-sub {
  text-align: center;
  color: var(--text-dim);
  max-width: 560px;
  margin: 0 auto 36px;
}

.projects-grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s ease, border-color 0.15s ease;
}
.card:hover { transform: translateY(-3px); border-color: var(--accent-dim); }

.card img.thumb {
  width: 100%;
  height: 170px;
  object-fit: cover;
  object-position: top;
  border-bottom: 1px solid var(--border);
  background: #0d1526;
}

.card-body { padding: 20px; display: flex; flex-direction: column; flex: 1; }

.card-body h3 { margin: 0 0 8px; font-size: 1.15rem; }

.card-body p { color: var(--text-dim); font-size: 0.92rem; flex: 1; }

.tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 16px; }
.tag {
  font-size: 0.72rem;
  padding: 3px 9px;
  border-radius: 999px;
  background: rgba(79, 209, 197, 0.12);
  color: var(--accent);
  border: 1px solid rgba(79, 209, 197, 0.3);
}

.card-body .view-link { font-weight: 600; font-size: 0.9rem; }

.card.placeholder {
  align-items: center;
  justify-content: center;
  color: var(--text-dim);
  text-align: center;
  padding: 40px 20px;
  border-style: dashed;
}

footer.site-footer {
  border-top: 1px solid var(--border);
  padding: 36px 24px;
  text-align: center;
  color: var(--text-dim);
  font-size: 0.88rem;
}
footer.site-footer .links a { margin: 0 10px; }

/* Project detail page */
.project-header {
  padding: 64px 24px 32px;
  text-align: center;
  border-bottom: 1px solid var(--border);
}
.project-header h1 { font-size: 2rem; margin: 0 0 10px; }
.project-header .meta { color: var(--text-dim); font-size: 0.95rem; }
.back-link { display: inline-block; margin-bottom: 20px; font-size: 0.9rem; }

.project-body {
  max-width: 780px;
  margin: 0 auto;
  padding: 40px 24px 80px;
}

.project-body h2 { font-size: 1.3rem; margin-top: 40px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.project-body h3 { font-size: 1.05rem; margin-top: 28px; color: var(--accent); }

.quote-block {
  background: var(--card);
  border-left: 3px solid var(--accent);
  padding: 16px 20px;
  border-radius: 6px;
  margin: 16px 0;
  color: var(--text);
}

table.gov-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
}
table.gov-table th, table.gov-table td {
  border: 1px solid var(--border);
  padding: 8px 12px;
  text-align: left;
  vertical-align: top;
}
table.gov-table th { background: var(--bg-alt); color: var(--accent); }

.artifact-list { list-style: none; padding: 0; margin: 16px 0; }
.artifact-list li {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 16px;
  margin-bottom: 10px;
}
.artifact-list li .purpose { color: var(--text-dim); font-size: 0.88rem; display: block; margin-top: 4px; }

.shot {
  margin: 24px 0;
  text-align: center;
}
.shot img {
  max-width: 100%;
  border-radius: 8px;
  border: 1px solid var(--border);
}
.shot .caption {
  color: var(--text-dim);
  font-size: 0.85rem;
  margin-top: 8px;
  font-style: italic;
}

.skill-note {
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-top: 6px;
}

.disclaimer {
  margin-top: 48px;
  padding: 16px 20px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-dim);
  font-size: 0.85rem;
}

ul.cond-list { color: var(--text-dim); }
ul.cond-list li { margin-bottom: 4px; }

@media (max-width: 600px) {
  .hero h1 { font-size: 1.8rem; }
  nav.site-nav a { margin-left: 14px; font-size: 0.85rem; }
}