.gateway-hero {
    position: relative;
    display: grid;
    min-height: calc(100svh - 96px);
    place-items: center;
    padding-block: clamp(4rem, 10vw, 8rem);
    overflow: hidden;
    background:
        linear-gradient(135deg, rgba(7, 11, 18, 0.86), rgba(12, 17, 29, 0.88)),
        url("https://images.unsplash.com/photo-1500382017468-9049fed747ef?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
    isolation: isolate;
}

[data-mode="light"] .gateway-hero {
    background:
        linear-gradient(135deg, rgba(245, 240, 230, 0.86), rgba(232, 223, 208, 0.88)),
        url("https://images.unsplash.com/photo-1500382017468-9049fed747ef?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
}

.gateway-hero::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    content: "";
    background:
        radial-gradient(circle at 24% 28%, rgba(214, 161, 74, 0.22), transparent 28rem),
        radial-gradient(circle at 76% 20%, rgba(139, 188, 255, 0.16), transparent 30rem);
    opacity: 0.8;
}

.gateway-hero__inner {
    position: relative;
    z-index: 1;
    max-width: 920px;
    text-align: center;
}

.gateway-hero__inner .eyebrow {
    justify-content: center;
}

.gateway-hero__inner .eyebrow::before {
    width: 3rem;
}

.gateway-hero__summary {
    max-width: 680px;
    margin: var(--space-5) auto 0;
    font-size: clamp(1rem, 1.8vw, 1.3rem);
}

.gateway-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-3);
    margin-top: var(--space-6);
}

.gateway-portals {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-5);
}

.not-found-page {
    display: grid;
    min-height: calc(100svh - 220px);
    place-items: center;
    padding-block: clamp(3rem, 8vw, 6rem);
}

.not-found-page__inner {
    max-width: 760px;
    padding: clamp(1.5rem, 4vw, 3rem);
    text-align: center;
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    background: var(--glass-bg);
    box-shadow: var(--glass-shadow);
    backdrop-filter: var(--backdrop-filter);
    -webkit-backdrop-filter: var(--backdrop-filter);
}

@media (max-width: 880px) {
    .gateway-portals {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 680px) {
    .gateway-hero {
        min-height: auto;
        padding-block: 3rem 4rem;
    }

    .gateway-hero__inner h1 {
        max-width: 100%;
    }
}