:root {
  --bg-dark: #090d16;
  --bg-surface-1: #0f172a;
  --bg-surface-2: #1e293b;
  --accent-cyan: #38bdf8;
  --accent-emerald: #10b981;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --border-subtle: rgba(255, 255, 255, 0.1);
  --radius-md: 10px;
  --radius-lg: 16px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.site-header {
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-subtle);
  padding: 16px 20px;
}

.nav-container {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.brand-logo img {
  width: 32px;
  height: 32px;
  border-radius: 6px;
}

.brand-logo span span {
  color: var(--accent-cyan);
}

.badge-pro {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  font-size: 10px;
  font-weight: 800;
  padding: 2px 6px;
  border-radius: 4px;
}

.redeem-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 16px;
}

.redeem-box {
  width: 100%;
  max-width: 580px;
  background: radial-gradient(circle at top, rgba(56, 189, 248, 0.08), var(--bg-surface-1)), var(--bg-surface-1);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: var(--radius-lg);
  padding: 40px 32px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.6);
}

.redeem-header {
  text-align: center;
  margin-bottom: 30px;
}

.redeem-icon {
  font-size: 40px;
  margin-bottom: 12px;
}

.redeem-header h1 {
  font-size: 26px;
  font-weight: 900;
  margin-bottom: 8px;
  color: #fff;
}

.redeem-header p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.redeem-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 13px;
  font-weight: 700;
  color: #e2e8f0;
}

.form-group input, .form-group select {
  background: rgba(15, 23, 42, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  color: #fff;
  font-size: 14px;
  outline: none;
  transition: border-color 0.2s ease;
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--accent-cyan);
}

.form-group input::placeholder {
  color: #64748b;
}

.btn-redeem {
  background: linear-gradient(135deg, #10b981, #059669);
  color: #fff;
  border: none;
  border-radius: var(--radius-md);
  padding: 14px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: 0 4px 15px rgba(16, 185, 129, 0.35);
  margin-top: 8px;
}

.btn-redeem:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}

/* Success Card */
.redeem-success-card {
  display: none;
  background: var(--bg-surface-2);
  border: 1.5px solid rgba(16, 185, 129, 0.4);
  border-radius: var(--radius-md);
  padding: 24px;
  margin-top: 24px;
  text-align: center;
}

.success-badge {
  font-size: 32px;
  margin-bottom: 8px;
}

.redeem-success-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: #34d399;
  margin-bottom: 6px;
}

.redeem-success-card p {
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: 16px;
}

.license-key-box {
  background: #020617;
  border: 1px dashed var(--accent-cyan);
  border-radius: 6px;
  padding: 12px;
  font-family: monospace;
  font-size: 16px;
  font-weight: 800;
  color: var(--accent-cyan);
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.btn-launch-preactivated {
  background: var(--accent-cyan);
  color: #020617;
  text-decoration: none;
  display: inline-block;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 800;
  transition: all 0.2s ease;
}

.btn-launch-preactivated:hover {
  filter: brightness(1.15);
}

/* Partners Strip */
.partners-strip {
  margin-top: 30px;
  border-top: 1px solid var(--border-subtle);
  padding-top: 20px;
  text-align: center;
}

.partners-strip span {
  font-size: 11.5px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  display: block;
  margin-bottom: 10px;
}

.partners-logos {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.partner-tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 5px 12px;
  border-radius: 4px;
  font-size: 12px;
  font-weight: 600;
  color: #cbd5e1;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--border-subtle);
  background: #05080e;
  padding: 24px 0;
  text-align: center;
  font-size: 12px;
  color: var(--text-muted);
}