* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Space Grotesk', sans-serif; background: #F5F7FC; color: #1A1A2E; line-height: 1.5; }
.container { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
.header { position: sticky; top: 0; z-index: 100; padding: 20px 0; background: rgba(5,5,10,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid rgba(0,255,255,0.2); }
.navbar { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 20px; }
.logo { font-size: 28px; font-weight: 700; background: linear-gradient(135deg, #00F0FF, #B847FF); -webkit-background-clip: text; background-clip: text; color: transparent; }
.nav-links { display: flex; gap: 36px; align-items: center; }
.nav-links a { text-decoration: none; color: #B0B0C0; font-weight: 500; font-size: 0.9rem; transition: 0.2s; cursor: pointer; }
.nav-links a:hover, .nav-links a.active { color: #00F0FF; }
.btn-cyber { border: 1px solid #00F0FF; padding: 8px 24px; border-radius: 4px; background: transparent; color: #00F0FF; font-weight: 500; cursor: pointer; transition: 0.2s; }
.btn-cyber:hover { background: rgba(0,240,255,0.1); box-shadow: 0 0 10px rgba(0,240,255,0.3); }
.btn-primary-neon { background: linear-gradient(105deg, #00C9FF, #7B2CBF); color: white; padding: 14px 36px; font-weight: 600; border: none; cursor: pointer; transition: all 0.3s; font-size: 1rem; border-radius: 8px; }
.btn-primary-neon:hover { transform: scale(1.02); box-shadow: 0 0 20px rgba(0,201,255,0.5); }
.light-block { background: white; border-radius: 32px; padding: 48px; margin: 40px 0; box-shadow: 0 20px 40px rgba(0,0,0,0.05); border: 1px solid #E9EEF4; }
.light-card { background: #F8FAFE; border-radius: 24px; padding: 28px; border: 1px solid #E9EEF4; }
.features-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.feature-light { background: #F8FAFE; border: 1px solid #E9EEF4; border-radius: 24px; padding: 32px 24px; text-align: center; }
/* 🔐 Стили для формы смены пароля */
#passwordChangeForm input:focus {
    outline: none;
    border-color: #00C9FF;
    box-shadow: 0 0 0 3px rgba(0, 201, 255, 0.1);
}

#passwordChangeForm input:invalid {
    border-color: #ef4444;
}

#passwordChangeForm button:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

#passwordChangeForm button:hover:not(:disabled) {
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(0, 201, 255, 0.5);
}
footer { background: #0F172A; color: #94A3B8; padding: 48px 0; text-align: center; margin-top: 60px; }
@media (max-width: 1000px) { .features-grid { grid-template-columns: 1fr; } }