:root {
  --radius: 14px;
}

body {
  background: linear-gradient(165deg, var(--bg) 0%, #0a0d16 40%, var(--bg) 100%);
  position: relative;
}

body::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse 800px 600px at 20% 10%, rgba(1, 104, 250, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse 600px 800px at 80% 90%, rgba(16, 183, 89, 0.05) 0%, transparent 50%);
  pointer-events: none;
}

.hero {
  background: radial-gradient(ellipse 1200px 800px at 50% 0%, rgba(1, 104, 250, 0.12) 0%, transparent 60%);
}

.site-header {
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  backdrop-filter: blur(12px);
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(1, 104, 250, 0.3);
  border-color: rgba(1, 104, 250, 0.4);
}

.feature {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
  transition: all 0.3s ease;
}

.feature:hover {
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  border-color: rgba(46, 49, 74, 0.8);
}

.feature .icon {
  background: linear-gradient(135deg, var(--accent) 0%, rgba(1, 104, 250, 0.7) 100%);
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(1, 104, 250, 0.3);
}

.tile {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.btn {
  border-radius: 10px;
  transition: all 0.25s ease;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent) 0%, #0157d4 100%);
  color: var(--on-accent);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: 0 4px 16px rgba(1, 104, 250, 0.4);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0178ff 0%, var(--accent) 100%);
  box-shadow: 0 6px 24px rgba(1, 104, 250, 0.5);
  transform: translateY(-2px);
}

.btn-secondary {
  background: var(--panel);
  border: 1px solid var(--line);
  color: var(--text);
}

.btn-secondary:hover {
  border-color: var(--accent);
  background: rgba(1, 104, 250, 0.08);
}

.badge {
  background: linear-gradient(135deg, rgba(1, 104, 250, 0.15) 0%, rgba(1, 104, 250, 0.08) 100%);
  border: 1px solid rgba(1, 104, 250, 0.3);
  color: #4DB3FF;
  border-radius: 6px;
  box-shadow: 0 2px 8px rgba(1, 104, 250, 0.15);
}

.badge.success {
  background: linear-gradient(135deg, rgba(16, 183, 89, 0.15) 0%, rgba(16, 183, 89, 0.08) 100%);
  border-color: rgba(16, 183, 89, 0.3);
  color: #3FE88E;
}

.faq-item {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  transition: all 0.25s ease;
}

.faq-item:hover {
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
  border-color: rgba(1, 104, 250, 0.2);
}

.tab {
  border-radius: 8px;
  transition: all 0.25s ease;
  color: var(--text-2);
}

.tab:hover {
  background: rgba(1, 104, 250, 0.08);
  color: var(--text);
}

.tab.active {
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: 0 4px 12px rgba(1, 104, 250, 0.3);
}

h1, h2, h3 {
  letter-spacing: -0.02em;
  font-weight: 700;
}

h1 {
  background: linear-gradient(135deg, var(--text) 0%, rgba(248, 250, 252, 0.7) 100%);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

a {
  transition: color 0.2s ease;
}

a:hover {
  color: var(--accent);
}

input, textarea {
  background: rgba(32, 35, 53, 0.5);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  transition: all 0.25s ease;
}

input:focus, textarea:focus {
  border-color: var(--accent);
  background: var(--panel);
  box-shadow: 0 0 0 3px rgba(1, 104, 250, 0.15);
  outline: none;
}

table {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.25);
}

th {
  background: rgba(32, 35, 53, 0.8);
  border-bottom: 2px solid var(--line);
  font-weight: 600;
  letter-spacing: 0.01em;
}

tr {
  border-bottom: 1px solid rgba(46, 49, 74, 0.5);
  transition: background 0.2s ease;
}

tr:hover {
  background: rgba(1, 104, 250, 0.04);
}

.section {
  position: relative;
}

footer {
  background: var(--panel);
  border-top: 1px solid var(--line);
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.2);
}