:root {
  --bg: #f4f6f9;
  --surface: #ffffff;
  --text: #1a1d29;
  --muted: #5c6478;
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --accent: #0ea5e9;
  --success: #059669;
  --danger: #dc2626;
  --warning: #d97706;
  --border: #e2e8f0;
  --radius: 12px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.08);
  --font: "DM Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body.public-site {
  margin: 0;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

a {
  color: var(--primary);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1160px, 92vw);
  margin: 0 auto;
}

/* Top bar */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}

.site-header .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 0;
  gap: 1rem;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--primary);
}

.brand img {
  height: 40px;
  width: auto;
  border-radius: 8px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.55rem 1.15rem;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.12s, box-shadow 0.12s, background 0.12s;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 14px rgba(37, 99, 235, 0.35);
}

.btn-primary:hover {
  transform: translateY(-1px);
  color: #fff;
}

.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.btn-ghost {
  background: transparent;
  color: var(--muted);
}

/* Hero */
.hero {
  position: relative;
  padding: 4rem 0 5rem;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(37, 99, 235, 0.18), transparent),
    radial-gradient(ellipse 50% 40% at 90% 30%, rgba(14, 165, 233, 0.12), transparent);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 2.5rem;
  align-items: center;
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
}

.hero h1 {
  font-size: clamp(2rem, 4vw, 2.85rem);
  line-height: 1.15;
  margin: 0 0 1rem;
  letter-spacing: -0.02em;
}

.hero-lead {
  font-size: 1.1rem;
  color: var(--muted);
  margin: 0 0 1.5rem;
  max-width: 36ch;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.hero-stats {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
}

.hero-stats div strong {
  display: block;
  font-size: 1.5rem;
  color: var(--text);
}

.hero-stats div span {
  font-size: 0.85rem;
  color: var(--muted);
}

.hero-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.hero-card h3 {
  margin: 0 0 1rem;
  font-size: 1rem;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.mini-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mini-list li {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.95rem;
}

.mini-list li:last-child {
  border-bottom: none;
}

.pill {
  display: inline-block;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(37, 99, 235, 0.1);
  color: var(--primary);
}

.section {
  padding: 3.5rem 0;
}

.section h2 {
  font-size: 1.75rem;
  margin: 0 0 0.5rem;
}

.section-intro {
  color: var(--muted);
  margin: 0 0 2rem;
  max-width: 60ch;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

@media (max-width: 900px) {
  .grid-3 {
    grid-template-columns: 1fr;
  }
}

.feature-card {
  background: var(--surface);
  border-radius: var(--radius);
  padding: 1.5rem;
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow);
  border-color: rgba(37, 99, 235, 0.25);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.12), rgba(14, 165, 233, 0.12));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.roles {
  background: linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}

.role-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

@media (max-width: 900px) {
  .role-cards {
    grid-template-columns: 1fr;
  }
}

.role-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.role-card h3 {
  margin: 0 0 0.35rem;
}

.role-card p {
  margin: 0 0 1rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.cta-band {
  background: linear-gradient(135deg, #1e3a8a, #2563eb, #0ea5e9);
  color: #fff;
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  box-shadow: var(--shadow);
}

.cta-band h2 {
  margin: 0 0 0.5rem;
  color: #fff;
}

.cta-band p {
  margin: 0 0 1.25rem;
  opacity: 0.95;
}

.cta-band .btn-primary {
  background: #fff;
  color: var(--primary-dark);
  box-shadow: none;
}

.site-footer {
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}

.site-footer .cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 768px) {
  .site-footer .cols {
    grid-template-columns: 1fr;
  }
}

.flash {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.flash-success {
  background: #d1fae5;
  color: #065f46;
}

.flash-error {
  background: #fee2e2;
  color: #991b1b;
}

/* Auth card (login/register) */
.auth-wrap {
  min-height: calc(100vh - 140px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--surface);
  border-radius: var(--radius);
  padding: 2rem;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}

.auth-card h1 {
  margin: 0 0 0.35rem;
  font-size: 1.5rem;
}

.auth-card .sub {
  color: var(--muted);
  font-size: 0.95rem;
  margin: 0 0 1.25rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--text);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: inherit;
  font-size: 1rem;
}

.form-group textarea {
  min-height: 100px;
  resize: vertical;
}

.form-actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
}

.table-wrap {
  overflow-x: auto;
}

table.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
}

table.data-table th,
table.data-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
  font-size: 0.9rem;
}

table.data-table th {
  background: #f8fafc;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.data-table tr:last-child td {
  border-bottom: none;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
}

.badge-success {
  background: #d1fae5;
  color: #065f46;
}

.badge-muted {
  background: #f1f5f9;
  color: #475569;
}

.badge-warn {
  background: #fef3c7;
  color: #92400e;
}

.badge-danger {
  background: #fee2e2;
  color: #991b1b;
}

.page-title {
  margin: 0 0 1rem;
  font-size: 1.5rem;
}

.link-muted {
  color: var(--muted);
  font-size: 0.9rem;
}