/* ==========================================================================
   COMPONENT: page-404 (not found)
   ========================================================================== */
.bc-404 {
    padding: 6rem 1.5rem 8rem;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
    position: relative;
}
.bc-404__code {
    font-size: clamp(8rem, 25vw, 14rem);
    font-weight: var(--fw-extrabold);
    letter-spacing: -0.05em;
    line-height: 0.9;
    background: var(--gradient-text-gold);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}
.bc-404__title {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: var(--fw-extrabold);
    letter-spacing: var(--tracking-tight);
    margin-bottom: 0.75rem;
}
.bc-404__desc {
    color: var(--text-secondary);
    font-size: var(--text-lg);
    line-height: var(--leading-relaxed);
    margin-bottom: 2.5rem;
    max-width: 48ch;
    margin-left: auto;
    margin-right: auto;
}
.bc-404__search {
    max-width: 480px;
    margin: 0 auto 2.5rem;
    display: flex;
    gap: 0.5rem;
    position: relative;
}
.bc-404__search input {
    flex: 1;
    padding: 0.85rem 1.25rem;
    background: var(--bg-surface-1);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-pill);
    color: var(--text-primary);
    font-family: inherit;
    font-size: var(--text-base);
}
.bc-404__search input:focus { outline: none; border-color: var(--accent-primary); }
.bc-404__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 3rem;
}
.bc-404__popular {
    text-align: left;
    border-top: 1px solid var(--border-subtle);
    padding-top: 2.5rem;
}
.bc-404__popular-label {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    color: var(--text-tertiary);
    letter-spacing: var(--tracking-widest);
    text-transform: uppercase;
    margin-bottom: 1rem;
    display: block;
    text-align: center;
}