.zb-header {
    position: sticky;
    top: 0;
    z-index: 20;
    border-bottom: 1px solid var(--zb-border);
    background: rgba(255, 255, 255, 0.96);
}

.zb-header__inner {
    display: grid;
    grid-template-columns: minmax(180px, 1fr) auto minmax(180px, 1fr);
    gap: 32px;
    align-items: center;
    min-height: 76px;
}

.zb-header__brand {
    color: var(--zb-dark);
    font-size: 1.2rem;
    font-weight: 800;
}

.zb-header__brand img {
    display: block;
    max-height: 54px;
    width: auto;
}

.zb-nav__list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 28px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.zb-header__cta {
    justify-self: end;
    padding: 10px 14px;
    border-radius: 6px;
    color: var(--zb-white);
    font-weight: 700;
    background: var(--zb-dark);
}

.zb-menu-toggle {
    display: none;
    width: 46px;
    height: 46px;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 0;
    border: 1px solid var(--zb-border);
    border-radius: 6px;
    background: var(--zb-white);
    cursor: pointer;
}

.zb-menu-toggle__line {
    display: block;
    width: 20px;
    height: 2px;
    border-radius: 999px;
    background: var(--zb-dark);
    transition: transform 180ms ease, opacity 180ms ease;
}

.zb-page-hero {
    position: relative;
    display: grid;
    min-height: 360px;
    align-items: end;
    padding: 96px 0 56px;
    background-color: var(--zb-muted);
    background-position: center;
    background-size: cover;
}

.zb-page-hero--image::before {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(90deg, rgba(0, 0, 0, 0.68), rgba(0, 0, 0, 0.2));
}

.zb-page-hero__inner {
    position: relative;
    max-width: 850px;
}

.zb-page-hero--image h1,
.zb-page-hero--image p,
.zb-page-hero--image .zb-breadcrumb {
    color: var(--zb-white);
}

.zb-page-hero h1 {
    font-size: clamp(2.2rem, 5vw, 4.8rem);
}

.zb-page-hero p {
    font-size: 1.15rem;
}

.zb-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.zb-card-grid,
.zb-step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 280px), 360px));
    gap: 22px;
    justify-content: start;
}

.zb-step-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.zb-product-card,
.zb-entry-card,
.zb-step,
.zb-product-facts {
    border: 1px solid var(--zb-border);
    border-radius: 8px;
    background: var(--zb-white);
}

.zb-product-card__media {
    display: block;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: var(--zb-muted);
}

.zb-product-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.zb-product-card__body,
.zb-entry-card,
.zb-step,
.zb-product-facts {
    padding: 24px;
}

.zb-step {
    display: flex;
    min-height: 224px;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    box-shadow: 0 14px 34px rgba(0, 0, 0, 0.04);
    transition: transform 220ms ease, box-shadow 220ms ease, border-color 220ms ease;
}

.zb-step:hover,
.zb-step:focus-within {
    border-color: rgba(240, 122, 0, 0.36);
    box-shadow: 0 22px 44px rgba(0, 0, 0, 0.1);
    transform: translateY(-8px);
}

.zb-step__icon {
    display: inline-flex;
    width: 58px;
    height: 58px;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    border-radius: 999px;
    color: var(--zb-primary);
    font-size: 1.45rem;
    background: rgba(240, 122, 0, 0.1);
}

.zb-step h3 {
    margin-bottom: 12px;
}

.zb-step p {
    max-width: 30ch;
    margin-right: auto;
    margin-left: auto;
}

@media (prefers-reduced-motion: reduce) {
    .zb-step {
        transition: none;
    }

    .zb-step:hover,
    .zb-step:focus-within {
        transform: none;
    }
}

.zb-text-link {
    color: var(--zb-primary);
    font-weight: 700;
}

.zb-product-detail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 40px;
    align-items: start;
}

.zb-product-facts {
    position: sticky;
    top: 100px;
}

.zb-product-facts__row {
    display: grid;
    gap: 4px;
    padding: 12px 0;
    border-bottom: 1px solid var(--zb-border);
}

.zb-product-gallery {
    margin-bottom: 44px;
}

.zb-product-gallery__viewport {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--zb-border);
    border-radius: 8px;
    background: var(--zb-muted);
}

.zb-product-gallery__track {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scrollbar-width: none;
}

.zb-product-gallery__track::-webkit-scrollbar {
    display: none;
}

.zb-product-gallery__slide {
    flex: 0 0 100%;
    margin: 0;
    scroll-snap-align: start;
}

.zb-product-gallery__slide img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
}

.zb-product-gallery__button {
    position: absolute;
    top: 50%;
    width: 44px;
    height: 44px;
    border: 0;
    border-radius: 999px;
    color: var(--zb-dark);
    font-size: 2rem;
    line-height: 1;
    background: rgba(255, 255, 255, 0.92);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.14);
    cursor: pointer;
    transform: translateY(-50%);
}

.zb-product-gallery__button--prev {
    left: 18px;
}

.zb-product-gallery__button--next {
    right: 18px;
}

.zb-product-gallery__thumbs {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(88px, 1fr));
    gap: 10px;
    margin-top: 12px;
}

.zb-product-gallery__thumb {
    overflow: hidden;
    padding: 0;
    border: 2px solid transparent;
    border-radius: 6px;
    background: var(--zb-muted);
    cursor: pointer;
}

.zb-product-gallery__thumb.is-active {
    border-color: var(--zb-primary);
}

.zb-product-gallery__thumb img {
    display: block;
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.zb-cta-strip {
    padding: 48px 0;
    color: var(--zb-white);
    background: var(--zb-dark);
}

.zb-cta-strip h2,
.zb-cta-strip p {
    color: var(--zb-white);
}

.zb-cta-strip__inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 24px;
    align-items: center;
}

.zb-cta-strip .zb-button--ghost {
    border-color: var(--zb-primary);
    color: var(--zb-white);
    background: transparent;
}

.zb-cta-strip .zb-button--ghost:hover {
    color: var(--zb-white);
    background: var(--zb-primary);
}

.zb-footer {
    color: var(--zb-white);
    background: #161616;
}

.zb-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 32px;
    padding: 48px 0;
}

.zb-footer__menu {
    margin: 0;
    padding: 0;
    list-style: none;
}

.zb-footer__bottom {
    padding: 18px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.zb-footer__bottom-inner {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
}

.zb-footer__bottom a {
    color: var(--zb-white);
    font-weight: 700;
}

.zb-footer__bottom a:hover {
    color: var(--zb-secondary);
}

@media (max-width: 820px) {
    .zb-header__inner {
        grid-template-columns: 1fr auto;
        gap: 14px;
        min-height: 68px;
        padding: 10px 0;
    }

    .zb-header__brand {
        font-size: 1.05rem;
    }

    .zb-menu-toggle {
        display: inline-flex;
        flex-direction: column;
        justify-self: end;
    }

    .zb-header__inner.is-menu-open .zb-menu-toggle__line:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }

    .zb-header__inner.is-menu-open .zb-menu-toggle__line:nth-child(2) {
        opacity: 0;
    }

    .zb-header__inner.is-menu-open .zb-menu-toggle__line:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .zb-nav {
        display: none;
        grid-column: 1 / -1;
        width: 100%;
        padding-top: 8px;
    }

    .zb-header__inner.is-menu-open .zb-nav {
        display: block;
    }

    .zb-nav__list {
        display: grid;
        grid-template-columns: 1fr;
        gap: 0;
        overflow: hidden;
        border: 1px solid var(--zb-border);
        border-radius: 8px;
        background: var(--zb-white);
    }

    .zb-nav__list a {
        display: block;
        padding: 14px 16px;
        border-bottom: 1px solid var(--zb-border);
    }

    .zb-nav__list li:last-child a {
        border-bottom: 0;
    }

    .zb-header__cta {
        display: none;
    }

    .zb-header__inner.is-menu-open .zb-header__cta {
        display: inline-flex;
        grid-column: 1 / -1;
        justify-self: stretch;
        justify-content: center;
    }

    .zb-product-detail,
    .zb-cta-strip__inner,
    .zb-footer__grid {
        grid-template-columns: 1fr;
    }

    .zb-product-facts {
        position: static;
    }

    .zb-product-gallery {
        margin-bottom: 32px;
    }

    .zb-product-gallery__slide img {
        aspect-ratio: 4 / 3;
    }

    .zb-product-gallery__button {
        display: none;
    }

    .zb-product-gallery__thumbs {
        display: flex;
        overflow-x: auto;
        padding-bottom: 4px;
        scroll-snap-type: x mandatory;
    }

    .zb-product-gallery__thumb {
        flex: 0 0 72px;
        scroll-snap-align: start;
    }
}