.not-found{position:relative;padding:34px 0 52px;background:linear-gradient(180deg,#fff,#f8fafc)}.not-found__shell{position:relative;display:grid;grid-template-columns:minmax(0,1.35fr) minmax(300px,.85fr);gap:0;overflow:hidden;border-radius:24px;border:1px solid rgba(59,130,246,.08);background:linear-gradient(135deg,#030712,#111827 52%,#1f2937);box-shadow:0 18px 48px #0f172a1f}.not-found__mesh{position:absolute;inset:0;background:transparent;opacity:.45}.not-found__main{position:relative;z-index:1;padding:50px 48px 46px;color:var(--white)}.not-found__breadcrumb{display:inline-flex;align-items:center;gap:8px;color:#ffffffb8;font-size:.82rem;font-weight:600}.not-found__breadcrumb a{text-decoration:underline}.not-found__breadcrumb span:last-child{color:#ffffffeb}.not-found__eyebrow{display:inline-flex;align-items:center;justify-content:center;margin-top:18px;min-width:98px;padding:8px 16px;border-radius:999px;background:#ffffff1f;color:#ffffffeb;font-size:.8rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase}.not-found__title{max-width:520px;margin-top:18px;font-family:var(--font-serif);font-size:clamp(2.2rem,4.4vw,3.6rem);line-height:1.08;color:var(--white)}.not-found__text{max-width:520px;margin-top:16px;font-size:1rem;color:#ffffffc7}.not-found__actions{display:flex;justify-content:flex-start;gap:14px;margin-top:28px;flex-wrap:wrap}.not-found__actions .btn-outline{border-color:#ffffff47;color:var(--white);background:#ffffff14}.not-found__actions .btn-outline:hover{border-color:#ffffff75;color:var(--white);background:#ffffff24}.not-found__aside{position:relative;z-index:1;padding:42px 34px;background:#fffffff5;border-left:1px solid rgba(15,23,42,.08)}.not-found__aside-label{font-size:.78rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary)}.not-found__aside-title{margin-top:10px;font-family:var(--font-serif);font-size:1.55rem;line-height:1.25;color:var(--navy)}.not-found__link-list{display:grid;gap:14px;margin-top:24px}.not-found__link-card{display:block;padding:16px 18px;border-radius:16px;background:var(--gray-50);border:1px solid var(--gray-200);transition:transform .18s,border-color .18s,box-shadow .18s}.not-found__link-card:hover{transform:translateY(-1px);border-color:#2563eb59;box-shadow:0 10px 24px #0f172a14}.not-found__link-title{display:block;font-weight:700;color:var(--navy)}.not-found__link-copy{display:block;margin-top:6px;font-size:.92rem;line-height:1.5;color:var(--gray-600)}@media(max-width:768px){.not-found{padding:22px 0 40px}.not-found__shell{grid-template-columns:1fr;border-radius:20px}.not-found__main{padding:34px 22px 30px}.not-found__actions{flex-direction:column;align-items:stretch}.not-found__aside{padding:28px 22px 30px;border-left:0;border-top:1px solid rgba(15,23,42,.08)}.not-found__actions .btn-primary,.not-found__actions .btn-outline{justify-content:center}}