/* GridHawk — shared tokens + layout. Dark-first: this is a SOC product. */

:root {
  --page: #0d0d0d;
  --surface: #1a1a19;
  --surface-2: #222221;
  --border: rgba(255, 255, 255, 0.10);
  --ink: #ffffff;
  --ink-2: #c3c2b7;
  --muted: #898781;
  --grid: #2c2c2a;
  --baseline: #383835;

  --series-1: #3987e5; /* blue  — Modbus  */
  --series-2: #199e70; /* aqua  — DNP3    */
  --series-3: #c98500; /* yellow— IEC 61850 */

  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;

  --accent: #3987e5;
  --radius: 10px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--page);
  color: var(--ink);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

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

.btn {
  display: inline-block;
  padding: 10px 20px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 15px;
  border: 1px solid transparent;
  cursor: pointer;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #2a78d6; text-decoration: none; }
.btn-ghost { border-color: var(--border); color: var(--ink); }
.btn-ghost:hover { background: var(--surface); text-decoration: none; }

/* ---------- Landing ---------- */

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1080px;
  margin: 0 auto;
  padding: 20px 24px;
}
.nav-links { display: flex; gap: 24px; align-items: center; }
.nav-links a { color: var(--ink-2); font-size: 14px; }

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.brand svg { display: block; }

.hero {
  max-width: 1080px;
  margin: 0 auto;
  padding: 88px 24px 64px;
  text-align: center;
}
.hero h1 {
  font-size: 52px;
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 800px;
  margin: 0 auto 20px;
}
.hero p.sub {
  font-size: 19px;
  color: var(--ink-2);
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero .cta-row { display: flex; gap: 12px; justify-content: center; }
.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 24px;
}

.statbar {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px 72px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.statbar .cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px 24px;
}
.statbar .big { font-size: 30px; font-weight: 650; letter-spacing: -0.01em; }
.statbar .why { color: var(--muted); font-size: 13.5px; margin-top: 6px; }

.section { max-width: 1080px; margin: 0 auto; padding: 56px 24px; }
.section h2 { font-size: 32px; letter-spacing: -0.015em; margin-bottom: 8px; }
.section p.lede { color: var(--ink-2); max-width: 620px; margin-bottom: 36px; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px 24px;
}
.card .step {
  font-size: 12px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.card h3 { font-size: 18px; margin-bottom: 10px; }
.card p { color: var(--ink-2); font-size: 14.5px; }

.why-list { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.why-list .card h3 { font-size: 16px; }

.closer {
  text-align: center;
  padding: 72px 24px 96px;
}
.closer h2 { font-size: 34px; margin-bottom: 12px; letter-spacing: -0.015em; }
.closer p { color: var(--ink-2); margin-bottom: 28px; }

.footer {
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
  padding: 28px 24px;
}

@media (max-width: 820px) {
  .hero h1 { font-size: 36px; }
  .statbar, .cards, .why-list { grid-template-columns: 1fr; }
}

/* ---------- Dashboard ---------- */

.app {
  display: grid;
  grid-template-columns: 216px 1fr;
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--border);
  padding: 18px 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sidebar .brand { padding: 4px 10px 18px; font-size: 16px; }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav a {
  color: var(--ink-2);
  font-size: 14px;
  padding: 8px 12px;
  border-radius: 7px;
}
.sidebar nav a:hover { background: var(--surface); text-decoration: none; }
.sidebar nav a.active { background: var(--surface-2); color: var(--ink); font-weight: 600; }
.sidebar .spacer { flex: 1; }
.sidebar .org {
  font-size: 12.5px;
  color: var(--muted);
  padding: 12px;
  border-top: 1px solid var(--border);
}

.main { padding: 22px 28px 48px; min-width: 0; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.topbar h1 { font-size: 21px; letter-spacing: -0.01em; }
.badge-demo {
  font-size: 12px;
  font-weight: 600;
  color: var(--warning);
  border: 1px solid rgba(250, 178, 25, 0.35);
  border-radius: 999px;
  padding: 3px 12px;
}

.tiles {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 16px;
}
.tile {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.tile .label { font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.tile .value { font-size: 30px; font-weight: 650; letter-spacing: -0.01em; line-height: 1.15; }
.tile .delta { font-size: 12.5px; margin-top: 4px; }
.delta.up-good { color: var(--good); }
.delta.up-bad { color: var(--critical); }
.delta.neutral { color: var(--muted); }
.tile .spark { margin-top: 8px; }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.panel h2 { font-size: 15px; font-weight: 650; margin-bottom: 2px; }
.panel .panel-sub { font-size: 12.5px; color: var(--muted); margin-bottom: 14px; }

.two-col { display: grid; grid-template-columns: 3fr 2fr; gap: 16px; }
@media (max-width: 1080px) { .two-col { grid-template-columns: 1fr; } .tiles { grid-template-columns: repeat(2, 1fr); } }

/* incident banner */
.incident {
  border: 1px solid rgba(208, 59, 59, 0.45);
  background: rgba(208, 59, 59, 0.07);
  border-radius: var(--radius);
  padding: 16px 20px;
  margin-bottom: 16px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.incident .ic { flex: none; margin-top: 2px; }
.incident h2 { font-size: 15px; margin-bottom: 4px; }
.incident p { font-size: 13.5px; color: var(--ink-2); }
.incident .meta { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* severity chips: icon + label, never color alone */
.sev {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 999px;
  padding: 2px 10px 2px 8px;
  white-space: nowrap;
}
.sev-critical { color: var(--critical); background: rgba(208, 59, 59, 0.12); }
.sev-serious  { color: var(--serious);  background: rgba(236, 131, 90, 0.12); }
.sev-warning  { color: var(--warning);  background: rgba(250, 178, 25, 0.10); }
.sev-good     { color: var(--good);     background: rgba(12, 163, 12, 0.12); }

table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.data th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 10px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
table.data td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--grid);
  color: var(--ink-2);
  vertical-align: top;
}
table.data td:first-child, table.data td.strong { color: var(--ink); font-weight: 550; }
table.data tr:last-child td { border-bottom: none; }
table.data .num { font-variant-numeric: tabular-nums; text-align: right; }
.table-scroll { overflow-x: auto; }

.tag {
  display: inline-block;
  font-size: 11.5px;
  color: var(--ink-2);
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 5px;
  padding: 1px 7px;
  margin: 1px 2px 1px 0;
  white-space: nowrap;
}

/* live feed */
.feed { list-style: none; max-height: 320px; overflow-y: auto; }
.feed li {
  display: flex;
  gap: 10px;
  padding: 7px 2px;
  border-bottom: 1px solid var(--grid);
  font-size: 13px;
  color: var(--ink-2);
  align-items: baseline;
}
.feed li:last-child { border-bottom: none; }
.feed .t { color: var(--muted); font-variant-numeric: tabular-nums; flex: none; }

/* chart */
.chart-wrap { position: relative; }
.chart-legend { display: flex; gap: 18px; margin-bottom: 10px; flex-wrap: wrap; }
.chart-legend .key { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--ink-2); }
.chart-legend .swatch { width: 14px; height: 3px; border-radius: 2px; display: inline-block; }

.tooltip {
  position: absolute;
  pointer-events: none;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 12.5px;
  color: var(--ink-2);
  display: none;
  z-index: 10;
  min-width: 150px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.45);
}
.tooltip .tt-time { color: var(--ink); font-weight: 600; margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 7px; justify-content: space-between; }
.tooltip .tt-row .lhs { display: inline-flex; align-items: center; gap: 6px; }
.tooltip .tt-row .v { font-variant-numeric: tabular-nums; color: var(--ink); }
.tooltip .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* meters (compliance) */
.meter-row { display: grid; grid-template-columns: 210px 1fr 52px; gap: 14px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--grid); }
.meter-row:last-child { border-bottom: none; }
.meter-row .name { font-size: 13.5px; color: var(--ink); }
.meter-row .name span { display: block; font-size: 11.5px; color: var(--muted); font-weight: 400; }
.meter { height: 8px; border-radius: 4px; overflow: hidden; display: flex; }
.meter .fill { border-radius: 4px; }
.meter-row .pct { font-size: 13px; font-variant-numeric: tabular-nums; text-align: right; color: var(--ink); font-weight: 600; }

/* topology */
.topo-legend { display: flex; gap: 18px; margin: 10px 0 0; flex-wrap: wrap; font-size: 12.5px; color: var(--ink-2); }
.topo-legend .key { display: inline-flex; gap: 7px; align-items: center; }

.view { display: none; }
.view.active { display: block; }

@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.35; } }
.pulse { animation: pulse 1.6s ease-in-out infinite; }

/* --- comparison table (landing) --- */
.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.compare th, .compare td {
  padding: 14px 16px;
  text-align: left;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
.compare tbody tr:last-child th, .compare tbody tr:last-child td { border-bottom: none; }
.compare thead th { font-size: 13px; color: var(--ink-2); background: var(--surface); font-weight: 600; }
.compare td:first-child { color: var(--ink-2); font-weight: 600; width: 22%; }
.compare td:nth-child(2) { color: var(--muted); }
.compare .hl { background: color-mix(in srgb, var(--accent) 7%, transparent); color: var(--ink); }
.compare thead th.hl { color: var(--accent); }
.compare-note { color: var(--muted); font-size: 13.5px; margin-top: 14px; }
@media (max-width: 820px) {
  .compare { display: block; overflow-x: auto; }
}

/* --- pilot request form --- */
.signup { max-width: 640px; display: flex; flex-direction: column; gap: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field > span { font-size: 13.5px; color: var(--ink-2); }
.field em { color: var(--muted); font-style: normal; }
.field input, .field textarea {
  font: inherit; font-size: 14.5px; color: var(--ink);
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 8px; padding: 9px 11px; width: 100%;
}
.field textarea { resize: vertical; }
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--accent);
}
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.form-actions .btn { border: none; cursor: pointer; }
.form-actions .btn:disabled { opacity: 0.6; cursor: default; }
.form-note { font-size: 12.5px; color: var(--muted); margin: 0; }
.form-note.error { color: #e5716f; }
.form-done { font-size: 15px; color: var(--ink); }
@media (max-width: 620px) { .field-row { grid-template-columns: 1fr; } }