* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #050c14 url('bg.webp') center/cover no-repeat fixed;
    color: #ffffff;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 40px 60px 20px 60px;
}
.header { display: flex; justify-content: space-between; align-items: center; max-width: 850px; margin-left: auto; margin-right: auto; width: 100%; }
.header-left { display: flex; align-items: center; gap: 20px; }
.logo { height: 32px; width: auto; }
.separator { width: 1px; height: 24px; background-color: #1e293b; }
.company-title { font-size: 13px; color: #94a3b8; letter-spacing: 0.05em; font-weight: 500; }
.phone { color: #ffffff; text-decoration: none; font-size: 20px; font-weight: 400; letter-spacing: 0.02em; }
.main-container { text-align: center; max-width: 850px; margin: 40px auto; }
.main-title { font-size: 42px; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 24px; text-transform: uppercase; }
.main-description { font-size: 18px; line-height: 1.6; color: #cbd5e1; margin-bottom: 40px; font-weight: 300; }
.btn-link { display: inline-flex; align-items: center; gap: 10px; border: 1px solid #ffffff; border-radius: 50px; padding: 14px 36px; color: #ffffff; text-decoration: none; font-size: 13px; font-weight: 600; letter-spacing: 0.05em; transition: background 0.2s, color 0.2s; }
.btn-link:hover { background-color: #ffffff; color: #050c14; }
.link-icon { width: 16px; height: 16px; }
.footer { display: flex; flex-direction: column; gap: 40px; }
.tech-support { text-align: center; }
.support-label { font-size: 12px; font-weight: 600; color: #64748b; letter-spacing: 0.05em; margin-bottom: 8px; }
.support-email { display: inline-flex; align-items: center; gap: 8px; color: #475569; text-decoration: none; font-size: 15px; }
.support-email:hover { color: #64748b; }
.mail-icon { width: 16px; height: 16px; }
.footer-bottom { display: flex; justify-content: space-between; align-items: flex-end; border-top: 1px solid #1e293b; padding-top: 20px; font-size: 12px; color: #475569; max-width: 850px; margin-left: auto; margin-right: auto; width: 100%; }
.footer-company { width: 20%; }
.footer-copyright { text-align: center; width: 60%; line-height: 1.6; }
.address { color: #334155; }
.footer-empty { width: 20%; }
@media (max-width: 768px) {
    body { padding: 20px; }
    .header { flex-direction: column; gap: 15px; text-align: center; }
    .header-left { flex-direction: column; gap: 10px; }
    .separator { display: none; }
    .main-title { font-size: 28px; }
    .main-description { font-size: 15px; }
    .footer-bottom { flex-direction: column; align-items: center; gap: 10px; text-align: center; }
    .footer-company, .footer-copyright, .footer-empty { width: 100%; }
}