/* Sveston London premium header component */

:root {
    --header-rail-height: 1.9rem;
    --header-main-height: 5.35rem;
}

.site-header {
    position: absolute;
    z-index: 50;
    top: 0;
    right: 0;
    left: 0;
    height: auto;
    border: 0;
    background: transparent;
    box-shadow: 0 1rem 4rem rgba(0, 0, 0, 0.18);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.site-header::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 2%, rgba(143, 169, 200, 0.08) 25%, rgba(143, 169, 200, 0.42) 50%, rgba(143, 169, 200, 0.08) 75%, transparent 98%);
    content: "";
}

.site-header.is-scrolled {
    position: fixed;
    border: 0;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.header-rail {
    height: var(--header-rail-height);
    overflow: hidden;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    background: #05070a;
    transition: height var(--duration-normal) var(--ease-standard), opacity var(--duration-normal) ease;
}

.site-header.is-scrolled .header-rail {
    height: 0;
    opacity: 0;
}

.header-rail-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
}

.header-rail p {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0;
    color: rgba(255, 255, 255, 0.76);
    font-size: 0.54rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    line-height: 1;
    text-transform: uppercase;
}

.header-rail p span:last-child {
    color: rgba(255, 255, 255, 0.35);
}

.status-dot {
    width: 0.34rem;
    height: 0.34rem;
    border-radius: 50%;
    background: var(--color-blue-400);
    box-shadow: 0 0 0.7rem rgba(143, 169, 200, 0.72);
}

.header-rail nav {
    display: flex;
    align-items: center;
    gap: 1.65rem;
}

.header-rail nav a {
    color: rgba(255, 255, 255, 0.42);
    font-size: 0.53rem;
    font-weight: 500;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    transition: color var(--duration-fast) ease;
}

.header-rail nav a:hover {
    color: var(--color-white);
}

.header-main {
    height: var(--header-main-height);
    background:
        linear-gradient(90deg, rgba(12, 16, 23, 0.985), rgba(6, 8, 12, 0.97) 44%, rgba(4, 5, 8, 0.99)),
        var(--color-obsidian-950);
    transition: height var(--duration-normal) var(--ease-standard), background-color var(--duration-normal) ease;
}

.site-header.is-scrolled .header-main {
    height: 4.8rem;
    background: rgba(5, 7, 10, 0.97);
    box-shadow: 0 1rem 3rem rgba(0, 0, 0, 0.22);
}

.header-inner {
    position: relative;
    z-index: 2;
    display: grid;
    height: 100%;
    grid-template-columns: minmax(12rem, 1fr) auto minmax(20rem, 1fr);
    align-items: center;
    gap: clamp(1.5rem, 3vw, 3.5rem);
}

.header-leading {
    display: flex;
    min-width: 0;
    align-items: center;
    gap: 1.2rem;
}

.brand {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
}

.brand-logo {
    width: 7.9rem;
    height: 4.3rem;
    object-fit: contain;
    filter: drop-shadow(0 0 1.1rem rgba(255, 255, 255, 0.05));
}

.header-divider {
    display: none;
    width: 1px;
    height: 1.8rem;
    background: rgba(255, 255, 255, 0.13);
}

.menu-toggle {
    display: none;
    width: auto;
    height: 2.75rem;
    align-items: center;
    flex-direction: row;
    gap: 0.7rem;
    padding: 0 0.4rem;
    border: 0;
    background: transparent;
    color: rgba(255, 255, 255, 0.7);
    cursor: pointer;
}

.menu-toggle>.menu-lines {
    display: flex;
    width: 1.1rem;
    height: auto;
    align-items: stretch;
    flex-direction: column;
    gap: 0.3rem;
    margin: 0;
    background: transparent;
}

.menu-lines i {
    display: block;
    width: 100%;
    height: 1px;
    background: currentColor;
    transition: transform var(--duration-fast) ease, width var(--duration-fast) ease;
}

.menu-lines i:last-child {
    width: 68%;
}

.menu-toggle:hover .menu-lines i:last-child {
    width: 100%;
}

.menu-toggle>.menu-label {
    display: inline;
    width: auto;
    height: auto;
    margin: 0;
    background: transparent;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.menu-toggle[aria-expanded="true"]>span.menu-lines,
.menu-toggle[aria-expanded="true"]>span.menu-label {
    transform: none;
}

.menu-toggle[aria-expanded="true"] .menu-lines i:first-child {
    width: 100%;
    transform: translateY(0.2rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-lines i:last-child {
    width: 100%;
    transform: translateY(-0.2rem) rotate(-45deg);
}

.header-center {
    align-self: stretch;
}

.nav-list {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: center;
    gap: clamp(1.65rem, 2.5vw, 3rem);
    margin: 0;
    padding: 0;
    list-style: none;
}

.nav-link {
    position: relative;
    display: inline-flex;
    height: 100%;
    align-items: center;
    color: rgba(255, 255, 255, 0.52);
    font-size: 0.61rem;
    font-weight: 600;
    letter-spacing: 0.105em;
    white-space: nowrap;
    text-transform: uppercase;
    transition: color var(--duration-fast) ease;
}

button.nav-link {
    padding: 0;
    border: 0;
    background: transparent;
    font-family: inherit;
    cursor: pointer;
}

.nav-menu-trigger {
    gap: 0.5rem;
}

.nav-chevron {
    width: 0.34rem;
    height: 0.34rem;
    margin-top: -0.2rem;
    transform: rotate(45deg);
    border-right: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transition: transform var(--duration-fast) ease;
}

.nav-menu-trigger[aria-expanded="true"] .nav-chevron {
    margin-top: 0.2rem;
    transform: rotate(225deg);
}

.nav-link::before {
    position: absolute;
    right: 50%;
    bottom: 0;
    left: 50%;
    height: 2px;
    background: var(--color-blue-400);
    content: "";
    transition: right var(--duration-normal) var(--ease-standard), left var(--duration-normal) var(--ease-standard);
}

.nav-link::after {
    display: none;
}

.nav-link:hover,
.nav-link.is-active {
    color: var(--color-white);
}

.nav-link:hover::before,
.nav-link.is-active::before {
    right: 0;
    left: 0;
}

.header-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 0.38rem;
}

.locale-switcher {
    display: flex;
    height: 2.45rem;
    align-items: center;
    margin-inline: 0.3rem;
    padding-inline: 0.35rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-pill);
    background: rgba(255, 255, 255, 0.045);
    transition: border-color var(--duration-fast) ease, background-color var(--duration-fast) ease;
}

.locale-switcher:hover,
.locale-switcher:focus-within {
    border-color: rgba(143, 169, 200, 0.48);
    background: rgba(143, 169, 200, 0.07);
}

.locale-switcher label {
    display: flex;
    height: 100%;
    align-items: center;
}

.locale-switcher select {
    height: 100%;
    padding: 0 0.45rem;
    border: 0;
    outline: 0;
    appearance: none;
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
    cursor: pointer;
    font-size: 0.55rem;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.locale-switcher option {
    background: var(--color-obsidian-900);
    color: var(--color-white);
}

.locale-divider {
    width: 1px;
    height: 0.9rem;
    background: rgba(255, 255, 255, 0.13);
}

.utility-link {
    position: relative;
    display: inline-grid;
    width: 2.45rem;
    height: 2.45rem;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid transparent;
    border-radius: 50%;
    background: transparent;
    color: rgba(255, 255, 255, 0.78);
    cursor: pointer;
    transition: border-color var(--duration-fast) ease, background-color var(--duration-fast) ease, color var(--duration-fast) ease;
}

.utility-link:hover,
.utility-link:focus-visible {
    border-color: rgba(143, 169, 200, 0.35);
    background: rgba(143, 169, 200, 0.08);
    color: var(--color-white);
}

.icon-search {
    position: relative;
    display: block;
    width: 0.85rem;
    height: 0.85rem;
    border: 1px solid currentColor;
    border-radius: 50%;
}

.icon-search::after {
    position: absolute;
    right: -0.3rem;
    bottom: -0.18rem;
    width: 0.4rem;
    height: 1px;
    transform: rotate(45deg);
    background: currentColor;
    content: "";
}

.wishlist-symbol {
    font-family: Arial, sans-serif;
    font-size: 1.35rem;
    line-height: 1;
}

.icon-user {
    width: 1.05rem;
    height: 1.05rem;
}

.icon-bag {
    width: 0.88rem;
    height: 0.98rem;
}

.cart-count {
    right: -0.02rem;
    bottom: 0;
    width: 0.86rem;
    height: 0.86rem;
    background: var(--color-blue-300);
    color: var(--color-obsidian-950);
}


.icon-user {
    position: relative;
    width: 1rem;
    height: 1rem;
    border: 1px solid currentColor;
    border-radius: 50%;
}

.icon-user::before {
    position: absolute;
    top: 0.18rem;
    left: 50%;
    width: 0.27rem;
    height: 0.27rem;
    transform: translateX(-50%);
    border: 1px solid currentColor;
    border-radius: 50%;
    content: "";
}

.icon-user::after {
    position: absolute;
    right: 0.18rem;
    bottom: 0.14rem;
    left: 0.18rem;
    height: 0.28rem;
    border: 1px solid currentColor;
    border-bottom: 0;
    border-radius: 0.5rem 0.5rem 0 0;
    content: "";
}

.icon-bag {
    position: relative;
    width: 0.82rem;
    height: 0.9rem;
    margin-top: 0.12rem;
    border: 1px solid currentColor;
    border-radius: 0.08rem 0.08rem 0.2rem 0.2rem;
}

.icon-bag::before {
    position: absolute;
    top: -0.34rem;
    left: 50%;
    width: 0.38rem;
    height: 0.38rem;
    transform: translateX(-50%);
    border: 1px solid currentColor;
    border-bottom: 0;
    border-radius: 0.4rem 0.4rem 0 0;
    content: "";
}

.cart-count {
    position: absolute;
    right: -0.05rem;
    bottom: 0.02rem;
    display: grid;
    width: 0.75rem;
    height: 0.75rem;
    margin: 0;
    place-items: center;
    border: 0;
    border-radius: 50%;
    background: var(--color-white);
    color: var(--color-black);
    font-size: 0.45rem;
    font-weight: 700;
}

.header-search {
    position: absolute;
    z-index: 3;
    top: 100%;
    right: 0;
    left: 0;
    transform: translateY(-0.75rem);
    border-bottom: 1px solid transparent;
    background: rgba(7, 10, 15, 0.985);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard), visibility var(--duration-normal) ease;
}

.header-search.is-open {
    transform: translateY(0);
    border-color: var(--color-border);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.header-search-form {
    display: grid;
    min-height: 6rem;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.4rem;
}

.header-search-form .icon-search {
    color: var(--color-accent-soft);
}

.header-search-form input {
    width: 100%;
    padding: 0.7rem 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--color-white);
    font-size: clamp(1rem, 1.8vw, 1.35rem);
    font-weight: 300;
}

.header-search-form input::placeholder {
    color: rgba(255, 255, 255, 0.34);
}

.header-search-form button {
    padding: 0.8rem 0;
    border: 0;
    border-bottom: 1px solid var(--color-accent);
    background: transparent;
    color: var(--color-white);
    cursor: pointer;
    font-size: 0.58rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.header-menu {
    position: absolute;
    z-index: 2;
    top: 100%;
    right: 0;
    left: 0;
    padding: 0;
    overflow: hidden;
    transform: translateY(-0.9rem);
    border-top: 1px solid transparent;
    border-bottom: 1px solid transparent;
    background: rgba(7, 10, 15, 0.99);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration-normal) var(--ease-standard), transform var(--duration-normal) var(--ease-standard), visibility var(--duration-normal) ease;
}

.header-menu.is-open {
    transform: translateY(0);
    border-color: var(--color-border);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.menu-panel-inner {
    display: grid;
    min-height: 25rem;
    grid-template-columns: 0.9fr 1.35fr 0.9fr;
    gap: clamp(3rem, 6vw, 7rem);
    align-items: center;
    padding-block: 3rem;
}

.menu-intro {
    align-self: stretch;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border-right: 1px solid var(--color-border);
}

.menu-kicker,
.menu-panel-label {
    color: var(--color-accent-soft);
    font-size: 0.56rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

.menu-intro p {
    max-width: 8ch;
    margin: 1rem 0 2rem;
    color: var(--color-white);
    font-size: clamp(2rem, 3.2vw, 3.5rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.menu-feature-link {
    display: inline-flex;
    width: max-content;
    align-items: center;
    gap: 0.8rem;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--color-border-strong);
    font-size: 0.59rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.menu-links-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 3rem;
}

.menu-panel-column {
    display: flex;
    min-width: 0;
    align-items: flex-start;
    flex-direction: column;
    gap: 0.85rem;
}

.menu-panel-label {
    margin-bottom: 0.75rem;
    color: var(--color-text-muted);
}

.menu-panel-column a {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.82rem;
    line-height: 1.45;
    transition: color var(--duration-fast) ease, transform var(--duration-fast) ease;
}

.menu-panel-column a:hover {
    transform: translateX(0.3rem);
    color: var(--color-white);
}

.menu-editorial {
    position: relative;
    display: block;
    height: 19rem;
    overflow: hidden;
    background: var(--color-midnight-800);
}

.menu-editorial::after {
    position: absolute;
    inset: 0;
    background: linear-gradient(0deg, rgba(5, 6, 8, 0.9), transparent 62%);
    content: "";
}

.menu-editorial img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 27%;
    transition: transform var(--duration-slow) var(--ease-standard);
}

.menu-editorial:hover img {
    transform: scale(1.045);
}

.menu-editorial > span {
    position: absolute;
    z-index: 1;
    right: 1.35rem;
    bottom: 1.2rem;
    left: 1.35rem;
}

.menu-editorial small,
.menu-editorial strong {
    display: block;
}

.menu-editorial small {
    margin-bottom: 0.3rem;
    color: var(--color-accent-soft);
    font-size: 0.52rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.menu-editorial strong {
    font-size: 0.92rem;
    font-weight: 500;
}

.menu-backdrop {
    position: fixed;
    z-index: 1;
    inset: 0;
    display: block;
    border: 0;
    background: rgba(0, 0, 0, 0.62);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity var(--duration-normal) ease, visibility var(--duration-normal) ease;
}


/* Laptop: 1025px - 1216px */
@media (max-width: 76rem) {
    .header-inner {
        grid-template-columns: minmax(10rem, 1fr) auto minmax(17rem, 1fr);
        gap: 1.25rem;
    }

    .nav-list {
        gap: 1.5rem;
    }

    .nav-list li:nth-child(4) {
        display: none;
    }

    .utility-link--wishlist {
        display: none;
    }
}

/* Tablet and compact laptop: up to 1024px */
@media (max-width: 64rem) {
    .header-inner {
        grid-template-columns: minmax(0, 1fr) auto auto;
    }

    .header-center {
        display: none;
    }

    .header-divider {
        display: block;
    }

    .menu-toggle {
        display: inline-flex;
    }

    .menu-panel-inner {
        grid-template-columns: 0.85fr 1.15fr;
    }

    .menu-editorial {
        display: none;
    }
}

/* Mobile phone: up to 768px */
@media (max-width: 48rem) {
    :root {
        --header-rail-height: 1.7rem;
        --header-main-height: 4.8rem;
    }

    .header-rail-inner {
        justify-content: center;
    }

    .header-rail nav {
        display: none;
    }

    .brand-logo {
        width: 6.6rem;
        height: 3.7rem;
    }

    .header-divider,
    .utility-link--account {
        display: none;
    }

    .menu-toggle {
        width: 2.4rem;
        height: 2.4rem;
        justify-content: center;
        gap: 0;
        padding: 0.55rem;
    }

    .menu-toggle > .menu-label {
        display: none;
    }

    .menu-toggle > .menu-lines {
        width: 1.2rem;
    }

    .locale-switcher label:first-child,
    .locale-switcher .locale-divider {
        display: none;
    }

    .menu-panel-inner {
        width: 100%;
        min-height: 100%;
        grid-template-columns: 1fr;
        gap: 2.5rem;
        align-content: start;
        padding: 7rem 2rem 3rem;
    }

    .header-menu {
        position: fixed;
        z-index: 3;
        top: 0;
        right: auto;
        bottom: 0;
        left: 0;
        width: min(28rem, 92vw);
        height: 100svh;
        overflow-y: auto;
        transform: translateX(-105%);
        opacity: 1;
        visibility: visible;
    }

    .header-menu.is-open {
        transform: translateX(0);
    }

    body.menu-open .header-inner {
        z-index: 4;
    }

    body.menu-open .header-actions {
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
    }

    body.menu-open .menu-backdrop {
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .menu-intro {
        border: 0;
        border-bottom: 1px solid var(--color-border);
        padding-bottom: 2.25rem;
    }

    .menu-intro p {
        margin-bottom: 1.25rem;
    }

    .header-search-form {
        min-height: 5rem;
        gap: 1rem;
    }
}

/* Small mobile: up to 560px */
@media (max-width: 35rem) {
    .header-inner {
        grid-template-columns: minmax(0, 1fr) auto auto;
        gap: 0.5rem;
    }

    .header-leading {
        min-width: 0;
        gap: 0.55rem;
    }

    .brand-logo {
        width: 6.1rem;
        height: 3.4rem;
    }

    .locale-switcher,
    .utility-link--wishlist {
        display: none;
    }

    .utility-link {
        width: 2.25rem;
        height: 2.25rem;
    }

    .header-actions {
        gap: 0.15rem;
    }

    .header-search-form {
        grid-template-columns: auto 1fr;
    }

    .header-search-form button {
        display: none;
    }

    .menu-links-grid {
        grid-template-columns: 1fr;
        gap: 2.25rem;
    }
}

/* Large desktop scale - keeps the header commanding on 1440p/4K displays */
@media (min-width: 90rem) {
    :root {
        --header-rail-height: 2.1rem;
        --header-main-height: 5.85rem;
    }

    .site-header {
        --container-max: 110rem;
        --container-gutter: clamp(2.5rem, 3vw, 4rem);
    }

    .site-header.is-scrolled .header-main {
        height: 5.15rem;
    }

    .header-rail p {
        gap: 0.7rem;
        font-size: 0.64rem;
    }

    .status-dot {
        width: 0.42rem;
        height: 0.42rem;
    }

    .header-rail nav {
        gap: 2.1rem;
    }

    .header-rail nav a {
        font-size: 0.62rem;
    }

    .header-inner {
        grid-template-columns: minmax(15rem, 1fr) auto minmax(24rem, 1fr);
        gap: clamp(2.5rem, 3.5vw, 5rem);
    }

    .header-leading {
        gap: 1.55rem;
    }

    .brand-logo {
        width: 9rem;
        height: 5rem;
    }

    .header-divider {
        height: 2.15rem;
    }

    .menu-toggle {
        gap: 0.85rem;
    }

    .menu-toggle>.menu-lines {
        width: 1.3rem;
        gap: 0.36rem;
    }

    .menu-toggle>.menu-label {
        font-size: 0.68rem;
    }

    .nav-list {
        gap: clamp(2.4rem, 2.7vw, 3.4rem);
    }

    .nav-link {
        font-size: 0.80rem;
        letter-spacing: 0.115em;
    }

    .header-actions {
        gap: 0.5rem;
    }

    .locale-switcher {
        height: 2.8rem;
        margin-inline: 0.45rem;
        padding-inline: 0.45rem;
    }

    .locale-switcher select {
        padding-inline: 0.58rem;
        font-size: 0.65rem;
    }

    .locale-divider {
        height: 1.05rem;
    }

    .utility-link {
        width: 2.8rem;
        height: 2.8rem;
    }

    .icon-search {
        width: 0.98rem;
        height: 0.98rem;
    }

    .wishlist-symbol {
        font-size: 1.65rem;
    }

    .icon-user {
        width: 1.18rem;
        height: 1.18rem;
    }

    .icon-bag {
        width: 0.98rem;
        height: 1.08rem;
    }

    .cart-count {
        width: 1.15rem;
        height: 1.15rem;
        font-size: 0.70rem;
    }

    .header-search-form {
        min-height: 7rem;
        gap: 1.75rem;
    }

    .header-search-form input {
        font-size: 1.5rem;
    }

    .header-search-form button {
        font-size: 0.67rem;
    }

    .menu-panel-inner {
        min-height: 28rem;
        gap: clamp(4rem, 6vw, 8rem);
        padding-block: 3.5rem;
    }

    .menu-kicker,
    .menu-panel-label {
        font-size: 0.65rem;
    }

    .menu-intro p {
        font-size: 4rem;
    }

    .menu-feature-link {
        font-size: 0.68rem;
    }

    .menu-panel-column {
        gap: 1rem;
    }

    .menu-panel-column a {
        font-size: 0.94rem;
    }

    .menu-editorial {
        height: 21.5rem;
    }

    .menu-editorial small {
        font-size: 0.61rem;
    }

    .menu-editorial strong {
        font-size: 1.05rem;
    }
}