/* Dark Ships — minimal serious styling. Mono-ish, low-chrome, evidence-first. */
:root {
  --bg: #0a0e14;
  --bg-2: #11161e;
  --bg-3: #1a212c;
  --fg: #e6edf3;
  --fg-2: #9aa6b2;
  --fg-3: #6b7785;
  --accent: #5ecbff;
  --accent-2: #ffb86b;
  --dark: #ff4757;
  --uncertain: #ffb86b;
  --matched: #2ed573;
  --border: #1f2731;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.55;
  font-size: 16px;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Layout */
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
header.site {
  border-bottom: 1px solid var(--border);
  background: rgba(10,14,20,0.85);
  position: sticky; top: 0; z-index: 100; backdrop-filter: blur(8px);
}
header.site .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { font-weight: 700; letter-spacing: 0.5px; font-size: 18px; }
.brand .dot { color: var(--accent); }
nav.persona-nav { display: flex; gap: 4px; flex-wrap: wrap; }
nav.persona-nav a {
  font-size: 13px; padding: 6px 12px; border-radius: 6px; color: var(--fg-2);
  border: 1px solid transparent;
}
nav.persona-nav a:hover { color: var(--fg); text-decoration: none; background: var(--bg-2); }
nav.persona-nav a.active { color: var(--fg); border-color: var(--border); background: var(--bg-2); }

/* Hero */
.hero { padding: 80px 0 48px; border-bottom: 1px solid var(--border); }
.hero .kicker { font-family: var(--mono); font-size: 12px; letter-spacing: 2px; color: var(--accent); margin-bottom: 16px; }
.hero h1 { font-size: 44px; line-height: 1.1; margin: 0 0 16px; font-weight: 700; letter-spacing: -0.5px; }
.hero p.lead { font-size: 19px; color: var(--fg-2); max-width: 760px; margin: 0; }

/* NISAR capability badge — glowing pill flagging L-band missions (NASA–ISRO NISAR).
   Distinct violet glow vs the site's cyan accent so it reads as a premium capability. */
.nisar-badge {
  display: inline-flex; align-items: center; gap: 8px;
  margin: 0 0 18px; padding: 5px 14px;
  font-family: var(--mono); font-size: 12px; font-weight: 700; letter-spacing: 1.6px;
  color: #d9c9ff;
  background: linear-gradient(180deg, rgba(124,92,255,0.18), rgba(124,92,255,0.07));
  border: 1px solid rgba(157,123,255,0.55); border-radius: 999px;
  box-shadow: 0 0 14px rgba(124,92,255,0.45), inset 0 0 8px rgba(157,123,255,0.15);
  animation: nisarPulse 2.6s ease-in-out infinite;
}
.nisar-badge .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #b59bff; box-shadow: 0 0 8px 1px #9d7bff;
}
@keyframes nisarPulse {
  0%, 100% { box-shadow: 0 0 10px rgba(124,92,255,0.30), inset 0 0 6px rgba(157,123,255,0.12); }
  50%      { box-shadow: 0 0 22px rgba(124,92,255,0.68), inset 0 0 10px rgba(157,123,255,0.26); }
}
.hero .provenance {
  margin: 14px 0 0; font-family: var(--mono); font-size: 12.5px;
  color: var(--fg-3); letter-spacing: 0.2px; max-width: 760px;
}
.hero .provenance b { color: #b59bff; font-weight: 600; }
@media (prefers-reduced-motion: reduce) { .nisar-badge { animation: none; } }

/* Per-detection sensor tag (history table) — NISAR rows get the violet accent,
   so a mixed-sensor AOI never blanket-labels its back-catalogue as NISAR. */
.sensor-tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.4px;
  color: var(--fg-2); background: var(--bg-3); border: 1px solid var(--border);
}
.sensor-tag.nisar {
  color: #d9c9ff; background: rgba(124,92,255,0.14); border-color: rgba(157,123,255,0.5);
}
/* NISAR commissioning-archive / AIS-gap explainer callout */
.nisar-note {
  margin: 0 0 24px; padding: 14px 18px; border-radius: 8px;
  background: rgba(124,92,255,0.07); border: 1px solid rgba(157,123,255,0.28);
  border-left: 3px solid #9d7bff;
  color: var(--fg-2); font-size: 14px; line-height: 1.6; max-width: 860px;
}
.nisar-note strong { color: #c9b8ff; }
.nisar-note b { color: var(--fg); }

/* KPI row */
.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 48px 0; }
.kpi { background: var(--bg-2); border: 1px solid var(--border); padding: 24px; border-radius: 8px; }
.kpi .v { font-size: 36px; font-weight: 700; font-family: var(--mono); color: var(--fg); }
.kpi .l { font-size: 12px; color: var(--fg-3); text-transform: uppercase; letter-spacing: 1px; margin-top: 4px; }

/* Sections */
section { padding: 56px 0; border-bottom: 1px solid var(--border); }
section h2 { font-size: 28px; margin: 0 0 24px; font-weight: 600; }
section h2 .small { font-size: 13px; color: var(--fg-3); font-weight: 400; letter-spacing: 1px; text-transform: uppercase; display: block; margin-bottom: 6px; }

/* Pillars */
.pillars { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 20px; }
.pillar { background: var(--bg-2); border: 1px solid var(--border); padding: 24px; border-radius: 8px; }
.pillar h3 { margin: 0 0 8px; font-size: 18px; color: var(--accent); }
.pillar p { color: var(--fg-2); margin: 0; }

/* Case study cards */
.cs-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 20px; }
.cs-card { background: var(--bg-2); border: 1px solid var(--border); border-radius: 8px; padding: 24px; display: block; color: inherit; }
.cs-card:hover { border-color: var(--accent); text-decoration: none; }
.cs-card .meta { font-family: var(--mono); font-size: 11px; color: var(--fg-3); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 8px; }
.cs-card h3 { margin: 0 0 8px; font-size: 18px; color: var(--fg); }
.cs-card p { color: var(--fg-2); margin: 0; font-size: 14px; }

/* AOI dossier */
#map { height: 480px; border: 1px solid var(--border); border-radius: 8px; margin: 24px 0; background: #000; }
.det-table { width: 100%; border-collapse: collapse; font-size: 13px; font-family: var(--mono); }
.det-table th, .det-table td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
.det-table th { color: var(--fg-3); font-weight: 600; text-transform: uppercase; font-size: 11px; letter-spacing: 1px; }
.badge { display: inline-block; font-size: 11px; padding: 2px 8px; border-radius: 4px; font-family: var(--mono); }
.badge.dark { background: rgba(255,71,87,0.15); color: var(--dark); }
.badge.uncertain { background: rgba(255,184,107,0.15); color: var(--uncertain); }
.badge.matched { background: rgba(46,213,115,0.15); color: var(--matched); }
.badge.nocov { background: rgba(150,162,189,0.15); color: #9aa6bd; }
.badge.partial { background: rgba(96,199,221,0.15); color: #6cc7dd; }
.gfw-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.gfw-vessel { background: var(--bg-2, rgba(255,255,255,0.03)); border: 1px solid rgba(255,255,255,0.06); border-radius: 6px; padding: 10px 12px; }
.gfw-name { font-weight: 600; font-size: 14px; color: var(--fg); }
.gfw-meta { font-family: var(--mono); font-size: 11px; color: var(--fg-3); margin-top: 3px; }

/* CTA */
.cta {
  background: linear-gradient(135deg, var(--bg-2), var(--bg-3));
  border: 1px solid var(--border);
  border-radius: 12px; padding: 48px; text-align: center; margin: 48px 0;
}
.cta h3 { font-size: 24px; margin: 0 0 8px; }
.cta p { color: var(--fg-2); margin: 0 0 24px; }
.btn {
  display: inline-block; padding: 12px 24px; background: var(--accent); color: #0a0e14;
  font-weight: 600; border-radius: 6px; font-size: 14px;
}
.btn:hover { background: #fff; text-decoration: none; }
.btn.secondary { background: transparent; color: var(--fg); border: 1px solid var(--border); }

/* Footer */
footer.site { padding: 32px 0; color: var(--fg-3); font-size: 13px; }
footer.site .wrap { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; }

/* Landing */
.landing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; margin-top: 48px; }
.landing-card { background: var(--bg-2); border: 1px solid var(--border); padding: 28px; border-radius: 8px; display: block; color: inherit; }
.landing-card:hover { border-color: var(--accent); text-decoration: none; }
.landing-card .kicker { font-family: var(--mono); font-size: 11px; letter-spacing: 1.5px; color: var(--accent); text-transform: uppercase; margin-bottom: 12px; }
.landing-card h3 { margin: 0 0 8px; font-size: 20px; }
.landing-card p { color: var(--fg-2); margin: 0; font-size: 14px; }

/* Honesty band */
.honesty { background: rgba(255,184,107,0.06); border: 1px solid rgba(255,184,107,0.2); padding: 16px 20px; border-radius: 8px; margin: 24px 0; font-size: 14px; color: var(--fg-2); }
.honesty strong { color: var(--uncertain); }

/* SAR overview image */
.sar-overview-wrap {
  width: 100%; overflow: hidden; border-radius: 8px;
  border: 1px solid var(--border); background: #000; margin-bottom: 12px;
}
.sar-overview {
  width: 100%; height: auto; display: block;
  image-rendering: pixelated;   /* keep SAR pixel crisp at native zoom */
}
.sar-legend {
  font-size: 12px; color: var(--fg-3); line-height: 1.6;
  background: var(--bg-2); border: 1px solid var(--border);
  border-radius: 6px; padding: 10px 14px;
}

/* Ship card grid */
.ship-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 8px;
}
.ship-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: border-color 0.15s;
}
.ship-card:hover { border-color: var(--accent); }

/* Chip image area */
.chip-wrap {
  position: relative;
  width: 100%; aspect-ratio: 1 / 1;
  background: #000;
  overflow: hidden;
}
.chip-img {
  width: 100%; height: 100%; display: block;
  object-fit: cover;
  image-rendering: pixelated;
}
.chip-num {
  position: absolute; top: 8px; left: 8px;
  background: rgba(0,0,0,0.6); color: var(--fg-3);
  font-family: var(--mono); font-size: 11px; letter-spacing: 1px;
  padding: 2px 6px; border-radius: 4px;
}
.chip-missing {
  display: flex; align-items: center; justify-content: center;
}
.chip-na {
  color: var(--fg-3); font-size: 12px; text-align: center; line-height: 1.5;
}

/* Ship card metadata */
.ship-meta { padding: 14px 16px; flex: 1; display: flex; flex-direction: column; gap: 10px; }
.ship-status { display: flex; gap: 6px; align-items: center; }
.ship-detail { display: flex; flex-direction: column; gap: 4px; }
.ship-detail-row {
  display: flex; justify-content: space-between; align-items: baseline;
  font-size: 13px;
}
.ship-detail-row .lbl {
  color: var(--fg-3); font-family: var(--mono); font-size: 11px;
  letter-spacing: 0.5px; text-transform: uppercase;
  flex-shrink: 0; margin-right: 8px;
}
.ship-note {
  font-size: 12px; color: var(--fg-3); line-height: 1.5;
  border-top: 1px solid var(--border); padding-top: 8px; margin-top: 2px;
}

/* Detection history table — compact monospaced rows */
.det-table td { vertical-align: middle; }
.det-table a { color: var(--accent); font-family: var(--mono); font-size: 11px; }
.det-table a:hover { color: #fff; }

/* PDF dossier download cards */
.pdf-card {
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 16px;
  display: flex; align-items: center; gap: 14px;
  text-decoration: none; color: inherit;
  transition: border-color 0.15s;
}
.pdf-card:hover { border-color: var(--accent); text-decoration: none; }
.pdf-icon { font-size: 26px; flex-shrink: 0; }

@media (max-width: 700px) {
  .hero h1 { font-size: 32px; }
  nav.persona-nav { display: none; }
  .ship-grid { grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
}