/* ANDD — shared design system across all three directions */
:root {
  --bg: #060912;
  --bg-1: #0a0f1c;
  --bg-2: #0f1628;
  --surface: #111a2e;
  --surface-hi: #17233d;
  --line: rgba(120, 170, 255, 0.08);
  --line-hi: rgba(120, 170, 255, 0.22);
  --line-hot: rgba(120, 220, 255, 0.5);

  --ink-0: #f4f7ff;
  --ink-1: #c8d4ed;
  --ink-2: #8696b8;
  --ink-3: #536285;

  /* Accents */
  --cyan: #5ee3ff;
  --cyan-dim: #2b9fc4;
  --amber: #ffb454;
  --amber-dim: #b87326;
  --violet: #a388ff;
  --lime: #9fe870;
  --rose: #ff7a8a;

  --glow-cyan: rgba(94, 227, 255, 0.4);

  /* Industry accents (for lens filter) */
  --ind-mobility: #5ee3ff;
  --ind-public-safety: #ff7a8a;
  --ind-power: #ffb454;
  --ind-health: #9fe870;
  --ind-ai: #a388ff;
  --ind-depin: #5eb8ff;
  --ind-civic: #c8d4ed;

  --font-display: 'Space Grotesk', 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-body: 'Inter', ui-sans-serif, system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;

  --r-sm: 4px;
  --r-md: 8px;
  --r-lg: 14px;

  --pad-section: clamp(4rem, 6vw, 7rem);
}

/* Light theme — paper/cartographic. Applied via [data-theme="light"] on <html>. */
[data-theme="light"] {
  --bg: #f5f2ea;          /* warm paper */
  --bg-1: #eae6db;        /* slightly darker paper */
  --bg-2: #ddd6c4;
  --surface: #ffffff;
  --surface-hi: #f0ece1;
  --line: rgba(20, 40, 80, 0.10);
  --line-hi: rgba(20, 40, 80, 0.22);
  --line-hot: rgba(10, 100, 160, 0.45);

  --ink-0: #0a1224;       /* near-black ink */
  --ink-1: #22304a;
  --ink-2: #55637d;
  --ink-3: #8691a8;

  --cyan: #0f7a9a;        /* printed teal */
  --cyan-dim: #0a5570;
  --amber: #c27020;
  --amber-dim: #8d4a0f;
  --violet: #6041c7;
  --lime: #3d7a2c;
  --rose: #c43a55;

  --glow-cyan: rgba(15, 122, 154, 0.18);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { background: var(--bg); color: var(--ink-1); }
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: 'ss01','cv11';
}
a { color: inherit; text-decoration: none; }

/* WORDMARK */
.wm {
  font-family: var(--font-display);
  font-weight: 500;
  letter-spacing: -0.02em;
  font-size: 20px;
  color: var(--ink-0);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.wm-mark {
  width: 22px; height: 22px;
  position: relative;
  flex-shrink: 0;
}
.wm-mark svg { width: 100%; height: 100%; display: block; }
.wm-kern { letter-spacing: 0.02em; font-weight: 400; color: var(--ink-2); }

/* MONO bits */
.mono { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.04em; color: var(--ink-2); text-transform: uppercase; }
.num  { font-family: var(--font-mono); font-variant-numeric: tabular-nums; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  font-family: var(--font-display); font-size: 13px; font-weight: 500; letter-spacing: 0.01em;
  border-radius: 999px;
  border: 1px solid var(--line-hi);
  color: var(--ink-0);
  background: transparent;
  cursor: pointer;
  transition: background 160ms ease, border-color 160ms ease, transform 160ms ease;
}
.btn:hover { background: rgba(120, 170, 255, 0.06); border-color: var(--line-hot); }
.btn-primary {
  background: var(--cyan);
  color: #051016;
  border-color: var(--cyan);
}
.btn-primary:hover { background: #8aeeff; border-color: #8aeeff; transform: translateY(-1px); }
[data-theme="light"] .btn:hover { background: rgba(15, 122, 154, 0.06); }
[data-theme="light"] .btn-primary { color: #f8f5ec; }
[data-theme="light"] .btn-primary:hover { background: #0a5570; border-color: #0a5570; }

/* Common layout helpers */
.container { max-width: 1400px; margin: 0 auto; padding: 0 clamp(1.25rem, 3vw, 2.5rem); }
.eyebrow { font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.18em; text-transform: uppercase; color: var(--cyan); }
h1, h2, h3 { font-family: var(--font-display); color: var(--ink-0); letter-spacing: -0.02em; font-weight: 500; }
h1 { font-size: clamp(2.5rem, 5.2vw, 4.6rem); line-height: 1.02; }
h2 { font-size: clamp(2rem, 3.6vw, 3.2rem); line-height: 1.05; }
h3 { font-size: 1.25rem; font-weight: 500; }

hr.rule { border: 0; border-top: 1px solid var(--line); }

/* Grid bg — subtle */
.gridbg {
  background-image:
    linear-gradient(rgba(120,170,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120,170,255,0.05) 1px, transparent 1px);
  background-size: 80px 80px;
}
[data-theme="light"] .gridbg {
  background-image:
    linear-gradient(rgba(20,40,80,0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,40,80,0.06) 1px, transparent 1px);
}

/* Placeholder image treatment */
.placeholder {
  background:
    repeating-linear-gradient(45deg, rgba(120,170,255,0.04) 0 10px, transparent 10px 20px),
    var(--surface);
  border: 1px solid var(--line);
  color: var(--ink-3);
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; text-transform: uppercase;
  display: flex; align-items: center; justify-content: center;
}

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--surface-hi); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }
