/* Career Crucible - World-class Design System
 * Inspired by Darikoda data instruments, Linear precision, and Bid Crucible evidence discipline.
 * Zero em dashes rule strictly enforced.
 */

:root {
  --bg-ink: #070a0b;
  --bg-dark: #0d1214;
  --bg-surface: #131a1d;
  --border-color: #1f2b30;
  --border-hover: #2e3e45;
  --signal-teal: #00e5cc;
  --signal-teal-muted: rgba(0, 229, 204, 0.15);
  --signal-glow: 0 0 20px rgba(0, 229, 204, 0.25);
  --text-white: #f5f8fa;
  --text-light: #d1dde2;
  --text-muted: #8a9ba3;
  --text-dim: #5c6c74;
}

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

body {
  background-color: var(--bg-ink);
  color: var(--text-light);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Utilities */
.bg-ink { background-color: var(--bg-ink); }
.bg-dark { background-color: var(--bg-dark); }
.bg-surface { background-color: var(--bg-surface); }
.text-white { color: var(--text-white); }
.text-light { color: var(--text-light); }
.text-muted { color: var(--text-muted); }
.text-signal { color: var(--signal-teal); }
.border-border { border-color: var(--border-color); }
.border-signal { border-color: var(--signal-teal); }

.text-gradient {
  background: linear-gradient(135deg, #ffffff 30%, var(--signal-teal) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--signal-teal);
  color: #070a0b;
  font-weight: 600;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.5);
}

.btn-primary:hover {
  background-color: #1ae8d2;
  box-shadow: var(--signal-glow);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-surface);
  color: var(--text-white);
  border: 1px solid var(--border-color);
  font-weight: 500;
  border-radius: 6px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: var(--bg-dark);
  border-color: var(--border-hover);
  color: var(--signal-teal);
}

/* KPI Card */
.kpi-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 1rem;
  transition: border-color 0.2s ease;
}

.kpi-card:hover {
  border-color: var(--signal-teal);
}

/* Pricing Card */
.pricing-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.2s ease;
}

.pricing-card:hover {
  border-color: var(--border-hover);
}

/* Badge */
.badge-signal {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.6rem;
  border-radius: 9999px;
  background-color: var(--signal-teal-muted);
  border: 1px solid rgba(0, 229, 204, 0.3);
  color: var(--signal-teal);
  font-size: 0.75rem;
  font-weight: 600;
}

/* Table styling */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.data-table th {
  background-color: var(--bg-dark);
  color: var(--text-muted);
  text-transform: uppercase;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-light);
}

.data-table tr:hover td {
  background-color: rgba(255, 255, 255, 0.02);
}

/* Responsive Grid helpers */
.grid { display: grid; }
.flex { display: flex; }
.hidden { display: none; }

@media (min-width: 640px) {
  .sm\\:flex-row { flex-direction: row; }
  .sm\\:w-auto { width: auto; }
}

@media (min-width: 768px) {
  .md\\:flex { display: flex; }
  .md\\:hidden { display: none; }
  .md\\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .md\\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .md\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

@media (min-width: 1024px) {
  .lg\\:flex-row { flex-direction: row; }
  .lg\\:w-1\\/2 { width: 50%; }
  .lg\\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}