/* ============================================================================
 * Arcpoly Theme — Layout
 * Container, grid, header, footer, page sections.
 * ========================================================================== */

@layer layout {

/* ----- Container ----- */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin-inline: auto;
    padding-inline: var(--container-pad);
}
.container--wide  { max-width: var(--container-wide); }
.container--narrow { max-width: 720px; }

/* ----- Section spacing ----- */
.section {
    padding-block: clamp(3rem, 8vw, 6rem);
}
.section--tight { padding-block: clamp(2rem, 5vw, 3.5rem); }
.section--loose { padding-block: clamp(4rem, 12vw, 8rem); }

.section + .section {
    border-top: 1px solid var(--c-divider);
}

/* ----- Section title ----- */
.section-title {
    margin-bottom: clamp(2rem, 5vw, 3rem);
    max-width: 720px;
}
.section-title--center {
    margin-inline: auto;
    text-align: center;
}
.section-title__eyebrow {
    display: inline-block;
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    color: var(--c-brand);
    text-transform: uppercase;
    letter-spacing: var(--ls-widest);
    margin-bottom: 0.75rem;
}
.section-title__heading {
    font-size: var(--fs-4xl);
    line-height: var(--lh-tight);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-tight);
}
.section-title__sub {
    margin-top: 1rem;
    font-size: var(--fs-lg);
    color: var(--c-text-dim);
    line-height: var(--lh-relaxed);
    max-width: 620px;
}
.section-title--center .section-title__sub {
    margin-inline: auto;
}

/* ----- Grid utilities ----- */
.grid {
    display: grid;
    gap: var(--space-5);
}
.grid--cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid--cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid--cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid--auto-md {
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
}
.grid--auto-lg {
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
}
@media (max-width: 1024px) {
    .grid--cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid--cols-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
    .grid--cols-2, .grid--cols-3, .grid--cols-4 { grid-template-columns: 1fr; }
}

/* ----- Stack (flex column with gap) ----- */
.stack {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}
.stack--sm { gap: var(--space-3); }
.stack--lg { gap: var(--space-6); }

/* ----- Cluster (flex row, wrap) ----- */
.cluster {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-3);
    align-items: center;
}

/* ============================================================================
 * SITE HEADER
 * ========================================================================== */

.site-header {
    position: sticky;
    top: 0;
    z-index: var(--z-header);
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(18px) saturate(180%);
    -webkit-backdrop-filter: blur(18px) saturate(180%);
    border-bottom: 1px solid transparent;
    transition: border-color var(--duration) var(--ease),
                background-color var(--duration) var(--ease);
}
.site-header[data-scrolled="true"] {
    border-bottom-color: var(--c-border);
    background: rgba(10, 10, 10, 0.95);
}

.site-header__inner {
    display: flex;
    align-items: center;
    gap: var(--space-5);
    height: var(--header-h);
}

/* ----- Brand ----- */
.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    color: var(--c-text);
    flex-shrink: 0;
    font-weight: var(--fw-bold);
    font-size: var(--fs-lg);
    letter-spacing: var(--ls-snug);
}
.brand:hover { color: var(--c-text); }
.brand__mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 8px;
}
img.brand__mark {
    object-fit: contain;
}
.brand__name {
    font-weight: var(--fw-bold);
}

/* ----- Primary nav ----- */
.site-nav {
    display: flex;
    align-items: center;
    flex: 1;
    margin-left: var(--space-5);
}
.site-nav__list {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 0.25rem;
}
.site-nav__list li { margin: 0; }
.site-nav__list a {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 0.875rem;
    color: var(--c-text-dim);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    border-radius: var(--r);
    text-decoration: none !important;
    position: relative;
    transition: color var(--duration-fast) var(--ease),
                background-color var(--duration-fast) var(--ease);
}
.site-nav__list a::after {
    /* Underline indicator dưới text — hidden by default, slide-in khi hover/active */
    content: '';
    position: absolute;
    left: 0.875rem;
    right: 0.875rem;
    bottom: 4px;
    height: 2px;
    background: var(--c-brand);
    border-radius: 2px;
    transform: scaleX(0);
    transform-origin: center;
    transition: transform var(--duration) var(--ease);
}
.site-nav__list a:hover {
    color: var(--c-text);
    background: var(--c-bg-1);
}
.site-nav__list a:hover::after {
    transform: scaleX(0.6);
}
.site-nav__list .current-menu-item > a,
.site-nav__list .current_page_item > a,
.site-nav__list .current-page-ancestor > a,
.site-nav__list a.is-active {
    color: var(--c-brand);
    background: var(--c-brand-soft);
}
.site-nav__list .current-menu-item > a::after,
.site-nav__list .current_page_item > a::after,
.site-nav__list a.is-active::after {
    transform: scaleX(1);
}

/* ----- Submenu (dropdown) ----- */
.site-nav__list .menu-item-has-children {
    position: relative;
}
.site-nav__list .sub-menu {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    min-width: 220px;
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    box-shadow: var(--sh-lg);
    padding: 0.5rem;
    list-style: none;
    margin: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: opacity var(--duration) var(--ease),
                visibility var(--duration) var(--ease),
                transform var(--duration) var(--ease);
    pointer-events: none;
}
.site-nav__list .sub-menu li { margin: 0; }
.site-nav__list .sub-menu a {
    display: block;
    padding: 0.625rem 0.875rem;
    border-radius: var(--r-sm);
}
.site-nav__list .menu-item-has-children:hover > .sub-menu,
.site-nav__list .menu-item-has-children:focus-within > .sub-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

/* ----- Header tools (right side) ----- */
.header-tools {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: auto;
}

/* ----- LANGUAGE SWITCH VI/EN ----- */
.lang-switch {
    display: inline-flex;
    align-items: center;
    background: var(--c-bg-1);
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    padding: 3px;
    gap: 0;
    overflow: hidden;
    flex-shrink: 0;
}
/* High specificity (a.lang-switch__btn) để override a {color: var(--c-brand)} global */
a.lang-switch__btn,
a.lang-switch__btn:link,
a.lang-switch__btn:visited {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 34px;
    height: 28px;
    padding: 0 0.5rem;
    border-radius: calc(var(--r) - 4px);
    color: var(--c-text-dim) !important;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-decoration: none !important;
    transition: all var(--duration-fast) var(--ease);
    cursor: pointer;
    user-select: none;
    background: transparent;
}
a.lang-switch__btn:hover {
    color: var(--c-text) !important;
    background: var(--c-bg-2);
}
a.lang-switch__btn--active,
a.lang-switch__btn--active:link,
a.lang-switch__btn--active:visited,
a.lang-switch__btn--active:hover,
a.lang-switch__btn--active:active {
    background: var(--c-brand) !important;
    color: #fff !important;
    box-shadow: 0 2px 6px rgba(245, 77, 45, 0.4);
}
@media (max-width: 480px) {
    a.lang-switch__btn { min-width: 30px; height: 26px; font-size: 0.68rem; }
}

/* Search trigger */
.search-trigger,
.cart-trigger {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: var(--r);
    background: transparent;
    border: 1px solid transparent;
    color: var(--c-text-dim);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
    position: relative;
    text-decoration: none;
}
.search-trigger:hover,
.cart-trigger:hover {
    color: var(--c-text);
    background: var(--c-bg-1);
    border-color: var(--c-border);
}
.cart-trigger__badge {
    position: absolute;
    top: -2px;
    right: -2px;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--c-brand);
    color: #fff;
    font-size: 10px;
    font-weight: var(--fw-bold);
    border-radius: var(--r-pill);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
    box-shadow: 0 0 0 2px var(--c-bg-0), 0 0 12px rgba(245, 77, 45, 0.65);
    animation: arcpoly-cart-pulse 2s ease-in-out infinite;
    z-index: 1;
}
.cart-trigger__badge--empty { display: none; }

/* Cart trigger glow when has items */
.cart-trigger.has-items {
    color: var(--c-brand);
    animation: arcpoly-cart-glow 2.5s ease-in-out infinite;
}

@keyframes arcpoly-cart-pulse {
    0%, 100% {
        transform: scale(1);
        box-shadow: 0 0 0 2px var(--c-bg-0), 0 0 8px rgba(245, 77, 45, 0.5);
    }
    50% {
        transform: scale(1.12);
        box-shadow: 0 0 0 2px var(--c-bg-0), 0 0 18px rgba(245, 77, 45, 0.85);
    }
}
@keyframes arcpoly-cart-glow {
    0%, 100% { filter: drop-shadow(0 0 0 rgba(245, 77, 45, 0)); }
    50%      { filter: drop-shadow(0 0 6px rgba(245, 77, 45, 0.55)); }
}
@media (prefers-reduced-motion: reduce) {
    .cart-trigger__badge,
    .cart-trigger.has-items {
        animation: none;
    }
}

/* Auth buttons (logged-out) */
.auth-buttons {
    display: flex;
    gap: 0.5rem;
    margin-left: 0.25rem;
}

/* ----- Account menu (logged-in) ----- */
.account-menu {
    position: relative;
    margin-left: 0.25rem;
}
.account-menu__trigger {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0.5rem 0.25rem 0.25rem;
    background: var(--c-bg-1);
    border: 1px solid var(--c-border);
    border-radius: var(--r-pill);
    color: var(--c-text);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease);
}
.account-menu__trigger:hover {
    background: var(--c-bg-2);
    border-color: var(--c-border-hi);
}
.account-menu__avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}
.account-menu__name {
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.account-menu__chevron {
    color: var(--c-text-dim);
    transition: transform var(--duration) var(--ease);
}
.account-menu[aria-expanded="true"] .account-menu__chevron,
.account-menu__trigger[aria-expanded="true"] .account-menu__chevron {
    transform: rotate(180deg);
}
.account-menu__panel {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--c-bg-2);
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    box-shadow: var(--sh-lg);
    padding: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all var(--duration) var(--ease);
    pointer-events: none;
}
.account-menu[data-open="true"] .account-menu__panel {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}
.account-menu__list {
    list-style: none;
    padding: 0;
    margin: 0;
}
.account-menu__list li { margin: 0; }
.account-menu__list a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--c-text-dim);
    font-size: var(--fs-sm);
    border-radius: var(--r-sm);
    transition: all var(--duration-fast) var(--ease);
}
.account-menu__list a:hover {
    color: var(--c-text);
    background: var(--c-bg-3);
}
.account-menu__sep {
    height: 1px;
    background: var(--c-divider);
    margin: 0.25rem 0;
}
.account-menu__logout {
    color: var(--c-danger) !important;
}

/* ----- Mobile menu toggle ----- */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid var(--c-border);
    border-radius: var(--r);
    color: var(--c-text);
    cursor: pointer;
    padding: 0;
    align-items: center;
    justify-content: center;
}
.menu-toggle__bars { display: inline-block; width: 20px; height: 14px; position: relative; }
.menu-toggle__bars::before,
.menu-toggle__bars::after,
.menu-toggle__bars span {
    content: '';
    position: absolute;
    left: 0; right: 0;
    height: 2px;
    background: currentColor;
    border-radius: 2px;
    transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}
.menu-toggle__bars::before { top: 0; }
.menu-toggle__bars span    { top: 6px; }
.menu-toggle__bars::after  { bottom: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::before {
    transform: translateY(6px) rotate(45deg);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span { opacity: 0; }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars::after {
    transform: translateY(-6px) rotate(-45deg);
}

/* ----- Mobile responsive — DROPDOWN below header (simpler than drawer) ----- */
@media (max-width: 1024px) {
    .site-header__inner { height: var(--header-h-mobile); gap: 0.5rem; }
    .menu-toggle {
        display: inline-flex !important;
        flex-shrink: 0;
    }
    .header-tools { gap: 0.35rem; }

    /* Reset nav wrapper — KHÔNG dùng position:fixed, để dropdown nằm trong header flow */
    .site-nav,
    nav#site-nav {
        position: absolute !important;
        top: 100% !important;
        left: 0 !important;
        right: 0 !important;
        bottom: auto !important;
        margin: 0 !important;
        padding: 0 !important;
        flex: none !important;
        display: block !important;
        max-height: 0;
        overflow: hidden;
        transition: max-height 320ms cubic-bezier(0.4, 0, 0.2, 1);
        background: var(--c-bg-1, #141414);
        border-top: 1px solid var(--c-border, #262626);
        z-index: 999;
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.45);
    }
    .site-nav[data-open="true"],
    nav#site-nav[data-open="true"] {
        max-height: calc(100vh - var(--header-h-mobile, 60px));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    /* Menu list — flex column inside dropdown */
    .site-nav__list,
    ul.site-nav__list,
    nav#site-nav ul.site-nav__list {
        display: flex !important;
        flex-direction: column !important;
        align-items: stretch !important;
        list-style: none !important;
        padding: 0.5rem 0 !important;
        margin: 0 !important;
        gap: 0 !important;
        background: transparent !important;
        position: static !important;
        width: 100% !important;
        max-width: none !important;
        transform: none !important;
        box-shadow: none !important;
    }
    .site-nav__list li { margin: 0 !important; padding: 0 !important; }
    .site-nav__list li a {
        display: flex !important;
        align-items: center !important;
        padding: 0.875rem 1.25rem !important;
        font-size: 0.95rem !important;
        font-weight: 500 !important;
        color: var(--c-text, #ececec) !important;
        text-decoration: none !important;
        background: transparent !important;
        border: 0 !important;
        border-radius: 0 !important;
        min-height: 44px;
        line-height: 1.3 !important;
        white-space: nowrap;
    }
    .site-nav__list li a::after { display: none !important; }
    .site-nav__list li a:hover,
    .site-nav__list li a:focus-visible {
        background: var(--c-bg-2, #1f1f1f) !important;
        color: var(--c-brand, #f54d2d) !important;
    }
    .site-nav__list .current-menu-item > a,
    .site-nav__list .current_page_item > a,
    .site-nav__list a.is-active {
        background: rgba(245, 77, 45, 0.1) !important;
        color: var(--c-brand, #f54d2d) !important;
        border-left: 3px solid var(--c-brand, #f54d2d) !important;
        padding-left: calc(1.25rem - 3px) !important;
    }

    .site-nav__list .sub-menu {
        position: static !important;
        opacity: 1 !important;
        visibility: visible !important;
        transform: none !important;
        pointer-events: auto !important;
        background: rgba(0, 0, 0, 0.25) !important;
        border: 0 !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        padding: 0 !important;
    }
    .site-nav__list .sub-menu a {
        padding-left: 2.5rem !important;
        font-size: 0.875rem !important;
        color: var(--c-text-dim, #a3a3a3) !important;
    }

    /* Auth + name hidden mobile (chuyển xuống .site-nav__auth bên trong dropdown) */
    .header-tools .auth-buttons { display: none; }
    .account-menu__name { display: none; }
    .account-menu__trigger { padding: 0.2rem; }
    .brand__name { font-size: var(--fs-base); }

    /* Mobile auth section bên trong dropdown — visible khi nav open */
    .site-nav__auth {
        display: flex !important;
        flex-direction: column;
        gap: 2px;
        padding: 0.75rem 0.875rem 1rem;
        margin-top: 0.5rem;
        border-top: 1px solid var(--c-divider, rgba(255,255,255,0.06));
        background: var(--c-bg-0, #0a0a0a);
    }
    .site-nav__user {
        display: flex;
        align-items: center;
        gap: 0.75rem;
        padding: 0.75rem 0.5rem 1rem;
        border-bottom: 1px solid var(--c-divider, rgba(255,255,255,0.06));
        margin-bottom: 0.5rem;
    }
    .site-nav__avatar {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        object-fit: cover;
        flex-shrink: 0;
    }
    .site-nav__user-info { display: flex; flex-direction: column; min-width: 0; flex: 1; }
    .site-nav__user-label {
        font-size: 0.72rem;
        color: var(--c-text-dim, #a3a3a3);
        text-transform: uppercase;
        letter-spacing: 0.06em;
        font-weight: 600;
    }
    .site-nav__user-name {
        font-size: 0.95rem;
        color: var(--c-text, #ececec);
        font-weight: 700;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .site-nav__auth-link {
        display: flex !important;
        align-items: center !important;
        gap: 0.625rem !important;
        padding: 0.75rem 1rem !important;
        font-size: 0.95rem !important;
        font-weight: 600 !important;
        color: var(--c-text, #ececec) !important;
        background: var(--c-bg-1, #141414) !important;
        border: 1px solid var(--c-border, #262626) !important;
        border-radius: var(--r, 10px) !important;
        text-decoration: none !important;
        min-height: 44px;
        line-height: 1.2 !important;
        transition: all 150ms ease;
    }
    .site-nav__auth-link:hover,
    .site-nav__auth-link:focus-visible {
        background: var(--c-bg-2, #1f1f1f) !important;
        border-color: var(--c-border-hi, #3a3a3a) !important;
    }
    .site-nav__auth-link svg {
        flex-shrink: 0;
        color: var(--c-text-dim, #a3a3a3);
    }
    .site-nav__auth-link--register {
        background: var(--c-brand, #f54d2d) !important;
        color: #fff !important;
        border-color: var(--c-brand, #f54d2d) !important;
        box-shadow: 0 4px 14px rgba(245, 77, 45, 0.35);
    }
    .site-nav__auth-link--register:hover {
        background: var(--c-brand-hover, #ff6440) !important;
        border-color: var(--c-brand-hover, #ff6440) !important;
        color: #fff !important;
    }
    .site-nav__auth-link--register svg { color: #fff; }
    .site-nav__auth-link--logout {
        color: var(--c-danger, #ef4444) !important;
        border-color: rgba(239, 68, 68, 0.3) !important;
    }
    .site-nav__auth-link--logout svg { color: var(--c-danger, #ef4444); }
    .site-nav__auth-link--logout:hover {
        background: rgba(239, 68, 68, 0.1) !important;
    }
}

/* Desktop: ẩn auth section (đã có ở header-tools) */
@media (min-width: 1025px) {
    .site-nav__auth { display: none !important; }
}

/* Phone narrow — ẩn lang switch (vẫn có trong drawer) + compact icons */
@media (max-width: 540px) {
    .header-tools .lang-switch { display: none; }
    .search-trigger, .cart-trigger { width: 36px; height: 36px; }
    .menu-toggle { width: 38px; height: 38px; }
    .account-menu__avatar { width: 26px; height: 26px; }
}
@media (max-width: 380px) {
    .header-tools .search-trigger { display: none; }
}

/* ============================================================================
 * SITE FOOTER
 * ========================================================================== */

.site-footer {
    background: var(--c-bg-1);
    border-top: 1px solid var(--c-border);
    margin-top: clamp(3rem, 8vw, 6rem);
}
.site-footer__top {
    padding-block: clamp(2.5rem, 6vw, 4rem);
}
.site-footer__grid {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-6);
}
@media (max-width: 768px) {
    .site-footer__grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
    .site-footer__grid { grid-template-columns: 1fr; }
}
.site-footer .widget__title {
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    text-transform: uppercase;
    letter-spacing: var(--ls-wider);
    color: var(--c-text);
    margin-bottom: 1rem;
}
.site-footer .menu,
.site-footer ul {
    list-style: none;
    padding: 0;
    margin: 0;
}
.site-footer .menu li,
.site-footer ul li {
    margin: 0 0 0.5rem;
}
.site-footer .menu a,
.site-footer ul a {
    color: var(--c-text-dim);
    font-size: var(--fs-sm);
    transition: color var(--duration-fast) var(--ease);
}
.site-footer .menu a:hover,
.site-footer ul a:hover {
    color: var(--c-text);
}

.site-footer__bottom {
    padding-block: 1.5rem;
    border-top: 1px solid var(--c-divider);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
}
.site-footer__copyright {
    color: var(--c-text-muted);
    font-size: var(--fs-sm);
}
.site-footer__social {
    display: flex;
    gap: 0.5rem;
}
.site-footer__social a {
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--r-pill);
    background: var(--c-bg-2);
    color: var(--c-text-dim);
    transition: all var(--duration-fast) var(--ease);
}
.site-footer__social a:hover {
    color: var(--c-text-on-brand);
    background: var(--c-brand);
    transform: translateY(-2px);
}

/* ============================================================================
 * MAIN content wrapper
 * ========================================================================== */

.site-main {
    min-height: calc(100vh - var(--header-h) - 300px);
}

.page-header {
    padding-block: clamp(2rem, 5vw, 3rem);
    border-bottom: 1px solid var(--c-divider);
}
.page-header__title {
    font-size: var(--fs-4xl);
    line-height: var(--lh-tight);
}
.page-header__desc {
    margin-top: 0.75rem;
    color: var(--c-text-dim);
    font-size: var(--fs-lg);
}

/* ----- Breadcrumb ----- */
.breadcrumb {
    margin-block: 1rem;
}
.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    padding: 0;
    margin: 0;
    font-size: var(--fs-sm);
    color: var(--c-text-dim);
}
.breadcrumb__list li { margin: 0; }
.breadcrumb__item a {
    color: var(--c-text-dim);
}
.breadcrumb__item a:hover { color: var(--c-text); }
.breadcrumb__item--current { color: var(--c-text); font-weight: var(--fw-medium); }
.breadcrumb__sep { color: var(--c-text-muted); }

} /* /@layer layout */