/* ============================================================
   AEGIS — shared brand stylesheet
   Tokens, primitives, and reusable patterns for product surfaces
   ============================================================ */

:root {
  /* Color */
  --navy: #1B2A4A;
  --navy-2: #0E1830;
  --navy-3: #060B1B;
  --steel: #2E75B6;
  --steel-2: #5694CB;
  --steel-3: #B6D1E6;
  --paper: #F6F5F2;
  --paper-2: #ECEAE4;
  --paper-3: #DFDCD3;
  --line: #D8D5CD;
  --line-2: #C1BEB6;
  --ink: #1B2A4A;
  --muted: #6B7385;
  --muted-2: #98A0B0;
  --good: #2A6F3D;
  --warn: #B5722A;
  --danger: #B53A33;

  /* Type */
  --font-display: 'Barlow', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Layout */
  --maxw: 1480px;
  --gutter: 40px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }

.mono { font-family: var(--font-mono); }
.display { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.025em; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); }
.eyebrow .dot { width: 6px; height: 6px; background: var(--steel); border-radius: 50%; box-shadow: 0 0 0 4px rgba(46,117,182,0.18); }
.eyebrow b { color: var(--navy); font-weight: 500; }
.signal { color: var(--steel); }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 22px; font-size: 14px; font-weight: 600; border-radius: 2px; transition: transform 0.2s ease, background 0.2s ease, border-color 0.2s ease; }
.btn.primary { background: var(--navy); color: #fff; }
.btn.primary:hover { background: var(--navy-2); }
.btn.ghost { color: var(--ink); border: 1px solid var(--line-2); background: transparent; }
.btn.ghost:hover { border-color: var(--navy); }
.btn .arrow { transition: transform 0.2s ease; }
.btn:hover .arrow { transform: translateX(3px); }
.btn.on-dark.primary { background: #fff; color: var(--navy); }
.btn.on-dark.primary:hover { background: var(--paper); }
.btn.on-dark.ghost { color: #fff; border-color: rgba(255,255,255,0.2); }
.btn.on-dark.ghost:hover { border-color: rgba(255,255,255,0.6); }

/* ===== Nav ===== */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 16px var(--gutter); background: rgba(246,245,242,0.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav .brand { display: flex; align-items: center; gap: 12px; }
.nav .brand img { height: 26px; }
.nav .brand .wm { font-family: var(--font-display); font-weight: 700; letter-spacing: 0.14em; font-size: 14px; color: var(--navy); }
.nav .brand .wm span { color: var(--steel); }
.nav .brand .by { font-family: var(--font-mono); font-size: 10px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); margin-left: 6px; padding-left: 10px; border-left: 1px solid var(--line); }
.nav .links { display: flex; gap: 26px; justify-content: center; }
.nav .links a { font-size: 13.5px; color: var(--ink); opacity: 0.78; font-weight: 500; transition: opacity 0.15s ease, color 0.15s ease; }
.nav .links a:hover { opacity: 1; color: var(--steel); }
.nav .actions { display: flex; gap: 12px; justify-content: flex-end; align-items: center; }
.nav .actions a.signin { font-size: 13.5px; color: var(--ink); opacity: 0.78; font-weight: 500; }
.nav .actions a.cta {
  background: var(--navy); color: #fff; padding: 9px 16px; font-size: 13px; font-weight: 600;
  border-radius: 2px; display: inline-flex; align-items: center; gap: 8px;
}
.nav .actions a.cta .arrow { transition: transform 0.2s ease; }
.nav .actions a.cta:hover .arrow { transform: translateX(3px); }

/* ===== Section scaffolding ===== */
section { padding: 104px var(--gutter); border-bottom: 1px solid var(--line); }
.container { max-width: var(--maxw); margin: 0 auto; }
.sec-head { display: grid; grid-template-columns: 260px 1fr; gap: 56px; align-items: baseline; margin-bottom: 56px; }
.sec-head .idx { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--muted); padding-top: 8px; }
.sec-head .idx b { color: var(--navy); font-weight: 500; }
.sec-head h2 { font-family: var(--font-display); font-weight: 600; font-size: clamp(36px, 4vw, 56px); line-height: 1.02; letter-spacing: -0.025em; margin: 0; color: var(--navy); max-width: 18ch; }
.sec-head h2 em { font-style: normal; color: var(--steel); }
.sec-head .sub { font-size: 17px; color: var(--muted); max-width: 56ch; margin-top: 18px; line-height: 1.6; }

/* Section on navy */
section.dark { background: var(--navy); color: #fff; border-bottom: 1px solid var(--navy-2); }
section.dark .sec-head h2 { color: #fff; }
section.dark .sec-head .idx { color: rgba(255,255,255,0.5); }
section.dark .sec-head .idx b { color: #fff; }
section.dark .sec-head .sub { color: rgba(255,255,255,0.65); }

/* ===== Grid utilities ===== */
.grid { display: grid; background: #fff; border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.grid > .cell { padding: 28px 26px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.grid.dark { background: var(--navy-2); border-top-color: rgba(255,255,255,0.06); border-left-color: rgba(255,255,255,0.06); }
.grid.dark > .cell { border-right-color: rgba(255,255,255,0.06); border-bottom-color: rgba(255,255,255,0.06); color: rgba(255,255,255,0.85); }

/* ===== Code block ===== */
.code-block {
  background: var(--navy-2); color: #cbd6e9;
  font-family: var(--font-mono); font-size: 13px; line-height: 1.7;
  border: 1px solid var(--navy-2);
}
.code-block .tabs { display: flex; background: #0a1124; border-bottom: 1px solid rgba(255,255,255,0.08); }
.code-block .tabs .tab { padding: 12px 18px; font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase; color: rgba(255,255,255,0.5); border-right: 1px solid rgba(255,255,255,0.06); cursor: default; }
.code-block .tabs .tab.active { color: #fff; background: var(--navy-2); box-shadow: inset 0 -2px 0 var(--steel); }
.code-block .body { padding: 22px 26px; display: grid; grid-template-columns: 28px 1fr; gap: 18px; }
.code-block .gutter { font-size: 12px; color: rgba(255,255,255,0.25); text-align: right; user-select: none; white-space: pre; }
.code-block .src { white-space: pre; overflow-x: auto; }
.code-block .src .k { color: var(--steel-2); }
.code-block .src .s { color: #e6c98a; }
.code-block .src .c { color: #7d8aa6; font-style: italic; }
.code-block .src .v { color: #b8d5ee; }
.code-block .src .f { color: #c9e6c0; }
.code-block .src .n { color: #d4d8e1; }

/* ===== Tables (data) ===== */
table.data { width: 100%; border-collapse: collapse; background: #fff; }
table.data th, table.data td { padding: 14px 18px; text-align: left; font-size: 14px; line-height: 1.5; vertical-align: middle; border-bottom: 1px solid var(--line); }
table.data th { background: var(--paper-2); font-family: var(--font-mono); font-size: 10.5px; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); font-weight: 500; }
table.data td.k { font-family: var(--font-display); font-weight: 600; color: var(--navy); font-size: 15px; letter-spacing: -0.005em; width: 26%; }
table.data td.k .x { font-family: var(--font-mono); font-size: 10px; color: var(--muted); letter-spacing: 0.08em; text-transform: uppercase; display: block; margin-top: 4px; font-weight: 400; }
table.data td { color: var(--ink); }
table.data td.muted { color: var(--muted); font-size: 13.5px; }
table.data tr.row-accent td.k { color: var(--steel); }
table.data tr.row-strong { background: var(--navy); color: #fff; }
table.data tr.row-strong td { color: #fff; border-color: var(--navy-2); }
table.data tr.row-strong td.k { color: #fff; }
table.data tr.row-strong td.k .x { color: var(--steel-3); }

/* ===== Pills / chips ===== */
.pill { font-family: var(--font-body); font-weight: 600; font-size: 11px; padding: 3px 8px; border-radius: 2px; text-align: center; letter-spacing: 0.04em; display: inline-block; }
.pill.good { background: #E4F1E8; color: var(--good); }
.pill.warn { background: rgba(181,114,42,0.14); color: var(--warn); }
.pill.danger { background: rgba(181,58,51,0.12); color: var(--danger); }
.pill.signal { background: rgba(46,117,182,0.14); color: var(--steel); }
.pill.muted { background: var(--paper-2); color: var(--muted); }
.pill.outline { background: transparent; border: 1px solid var(--line-2); color: var(--navy); }

/* ===== Responsive ===== */
@media (max-width: 1100px) {
  .sec-head { grid-template-columns: 1fr; gap: 14px; }
  .nav .links { display: none; }
  .nav { grid-template-columns: 1fr auto; }
}