:root {
  --bg: #f4f7fb;
  --surface: #ffffff;
  --surface-alt: #eef4ff;
  --text: #18212f;
  --muted: #627086;
  --primary: #2251cc;
  --primary-dark: #183b97;
  --border: #d9e2f0;
  --success: #197a4b;
  --warning: #8a5a00;
  --shadow: 0 12px 30px rgba(15, 30, 60, 0.08);
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

body {
  line-height: 1.5;
}

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

a:hover {
  text-decoration: underline;
}

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.narrow {
  width: min(560px, calc(100% - 32px));
}

.site-header {
  background: linear-gradient(135deg, #0e1a33, #16366f);
  color: white;
  padding: 18px 0;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
}

.nav nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.nav nav a {
  color: rgba(255,255,255,0.92);
  font-weight: 600;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand h1 {
  margin: 0;
  font-size: 1.3rem;
}

.brand p {
  margin: 2px 0 0;
  color: rgba(255,255,255,0.75);
  font-size: 0.95rem;
}

.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: linear-gradient(135deg, #6fa7ff, #d8e7ff);
  color: #16366f;
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
}

.hero {
  padding: 72px 0 40px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 1fr;
  gap: 24px;
  align-items: center;
}

.hero h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  line-height: 1.1;
  margin: 12px 0 18px;
}

.lead {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 760px;
}

.pill {
  display: inline-block;
  padding: 8px 12px;
  border-radius: 999px;
  background: #dfeaff;
  color: var(--primary-dark);
  font-size: 0.9rem;
  font-weight: 700;
}

.section {
  padding: 32px 0 48px;
}

.section.alt {
  background: #edf3ff;
}

.section-title {
  margin: 0 0 18px;
  font-size: 1.9rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.hero-card {
  background: linear-gradient(180deg, #ffffff, #f5f9ff);
}

.feature-list {
  margin: 14px 0 0;
  padding-left: 18px;
}

.cta-row {
  display: flex;
  gap: 12px;
  margin-top: 24px;
  flex-wrap: wrap;
}

.btn {
  display: inline-block;
  border-radius: 12px;
  padding: 12px 18px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  text-align: center;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

.btn-primary:hover {
  background: var(--primary-dark);
  text-decoration: none;
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  text-decoration: none;
  background: #f7faff;
}

.btn-full {
  width: 100%;
  margin-top: 16px;
}

.login-card form {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

label {
  font-weight: 600;
  margin-top: 8px;
}

input,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: white;
  font: inherit;
}

input:focus,
select:focus {
  outline: 2px solid #bfd3ff;
  border-color: var(--primary);
}

.notice {
  margin-top: 18px;
  padding: 14px 16px;
  background: #eef5ff;
  border: 1px solid #cfe0ff;
  border-radius: 14px;
  color: #26406d;
}

.notice.warning {
  background: #fff6df;
  border-color: #f0db9e;
  color: var(--warning);
}

.muted {
  color: var(--muted);
}

.metric {
  font-size: 2.4rem;
  font-weight: 800;
  margin: 10px 0 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 8px;
}

.table th,
.table td {
  text-align: left;
  padding: 12px 10px;
  border-bottom: 1px solid var(--border);
}

.table th {
  color: var(--muted);
  font-size: 0.95rem;
}

.status.good {
  color: var(--success);
  font-weight: 700;
}

.mt-24 {
  margin-top: 24px;
}

.site-footer {
  padding: 20px 0 28px;
  color: var(--muted);
}

.footer-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

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

  .hero {
    padding-top: 48px;
  }
}