/*
 * Main navigation — papadontpreach-style centered two-row header.
 * Row 1: hamburger / centered logo / utility icons (compact, 60px)
 * Row 2: 8 primary nav items centered (compact, 40px)
 * Category items get a rich mega-menu with featured product preview tiles.
 * Sticky on scroll; compresses + drops the announcement bar past 64px.
 */

/* ---------- Sticky wrapper + scroll states ---------- */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1050;
    background: var(--color-surface);
    transition: transform 320ms cubic-bezier(0.2, 0.8, 0.2, 1),
                box-shadow 260ms ease;
    will-change: transform;
}
.site-header.is-scrolled {
    box-shadow: 0 4px 22px rgba(0, 0, 0, 0.06);
}

/* Drop the announcement bar after scroll */
.site-header .top-banner {
    max-height: 60px;
    opacity: 1;
    overflow: hidden;
    transition: max-height 320ms cubic-bezier(0.2, 0.8, 0.2, 1),
                opacity 220ms ease;
}
.site-header.is-scrolled .top-banner {
    max-height: 0;
    opacity: 0;
}

/* Compress + collapse the two rows into one on scroll
   Logo left, primary nav center (absolute), utility icons right */
.site-header .nav-row-logo,
.site-header .nav-row-primary,
.site-header .nav-logo,
.site-header .nav-logo img,
.site-header .nav-logo-text,
.site-header .nav-primary,
.site-header .nav-primary a,
.site-header .nav-icon-btn {
    transition: min-height 280ms ease,
                padding 280ms ease,
                font-size 280ms ease,
                grid-column 0s,
                justify-self 0s;
}

/* Scrolled state — collapsed single row */
.site-header.is-scrolled .nav-row-logo {
    min-height: 56px;
    padding: 4px 0;
    position: relative;
}
.site-header.is-scrolled .nav-logo img {
    max-height: 28px;
}
.site-header.is-scrolled .nav-logo-text {
    font-size: 1.1rem;
    letter-spacing: 0.08em;
}
.site-header.is-scrolled .nav-icon-btn {
    width: 30px;
    height: 30px;
    font-size: 13px;
}

@media (min-width: 992px) {
    /* Logo row: re-arrange to logo-left | empty-center | utilities-right */
    .site-header.is-scrolled .nav-row-logo {
        grid-template-columns: auto 1fr auto;
    }
    .site-header.is-scrolled .nav-logo {
        grid-column: 1;
        justify-self: start;
    }
    .site-header.is-scrolled .nav-utility {
        grid-column: 3;
        justify-self: end;
    }
    /* Primary nav floats centered inside the logo row */
    .site-header.is-scrolled .nav-row-primary {
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        transform: translateX(-50%);
        display: flex;
        align-items: center;
        padding: 0;
        border-top: 0;
        z-index: 0;
        pointer-events: none;
    }
    .site-header.is-scrolled .nav-primary {
        gap: clamp(10px, 1.6vw, 22px);
        pointer-events: auto;
    }
    .site-header.is-scrolled .nav-primary a {
        font-size: 10.5px;
        padding: 6px 0;
        letter-spacing: 0.16em;
    }
}

/* Mobile keeps the existing collapsed nav row + drawer behavior */
@media (max-width: 991px) {
    .site-header.is-scrolled .nav-row-logo {
        min-height: 50px;
    }
    .site-header.is-scrolled .nav-row-primary {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .site-header,
    .site-header .top-banner,
    .site-header .nav-row-logo,
    .site-header .nav-row-primary,
    .site-header .nav-logo img,
    .site-header .nav-logo-text,
    .site-header .nav-primary a,
    .site-header .nav-icon-btn {
        transition: none !important;
    }
}

.nav {
    background: var(--color-surface);
    position: relative;
    z-index: var(--z-nav);
    border-bottom: var(--border-hairline);
}

.nav-row {
    display: flex;
    align-items: center;
    width: 100%;
}

/* ---------- Row 1: logo row (compact) ---------- */
.nav-row-logo {
    min-height: 64px;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: var(--space-3);
    padding: 10px 0 6px;
    position: relative;
}

.nav-hamburger {
    display: inline-flex;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    border: 0;
    padding: 8px;
    cursor: pointer;
    color: var(--color-text);
    justify-self: start;
    position: absolute;
    left: var(--container-pad, 20px);
}
@media (min-width: 992px) {
    .nav-hamburger { position: static; left: auto; }
}

/* Thin vertical separator between service icons and shopping icons */
.nav-util-sep {
    display: none;
    width: 1px;
    height: 18px;
    background: rgba(0, 0, 0, 0.08);
    margin: 0 4px;
}
@media (min-width: 768px) {
    .nav-util-sep { display: inline-block; }
}

/* Service icons (phone, track, contact) sit before the search/account
   cluster — same visual size as shopping icons but accent-tinted */
.nav-util-svc .nav-icon-btn i {
    color: var(--color-accent);
    font-size: 13px;
}
.nav-util-svc .nav-icon-btn:hover {
    background: var(--color-bg);
}
.nav-util-svc .nav-icon-btn:hover i {
    color: var(--color-text);
}
.nav-hamburger span {
    width: 20px;
    height: 2px;
    background: currentColor;
}
@media (min-width: 992px) {
    .nav-hamburger { display: none; }
}

/* Centered logo */
.nav-logo {
    grid-column: 2;
    display: inline-flex;
    align-items: center;
    justify-self: center;
    color: var(--color-text);
    font-family: var(--font-heading);
    text-decoration: none;
}
.nav-logo img {
    max-height: 36px;
    width: auto;
}
.nav-logo-text {
    font-size: clamp(1.25rem, 1.8vw, 1.6rem);
    letter-spacing: 0.12em;
    font-weight: 400;
    line-height: 1;
}

/* Utility icons on the right */
.nav-utility {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
    gap: 2px;
    justify-self: end;
}
.nav-utility li {
    display: inline-flex;
    align-items: center;
}
@media (max-width: 767px) {
    .nav-utility li:not(:last-child) {
        display: none;
    }
}

.nav-icon-btn {
    background: transparent;
    border: 0;
    color: var(--color-text);
    font-size: 14px;
    width: 34px;
    height: 34px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 999px;
    cursor: pointer;
    text-decoration: none;
    position: relative;
    transition: background 180ms ease, color 180ms ease;
}
.nav-icon-btn:hover {
    background: var(--color-bg);
    color: var(--color-text);
}

.nav-badge {
    position: absolute;
    top: 0;
    right: -2px;
    background: var(--color-accent);
    color: var(--color-surface);
    font-size: 9px;
    font-weight: 700;
    min-width: 16px;
    height: 16px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
    line-height: 1;
    border: 2px solid var(--color-surface);
}

/* Search popover */
.nav-search-wrap {
    position: relative;
}
.nav-search-form {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 320px;
    background: var(--color-surface);
    border: 1px solid rgba(0, 0, 0, 0.08);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.08);
    padding: 6px;
    display: flex;
    align-items: center;
    gap: 4px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-6px);
    transition: all 0.16s ease;
    z-index: 100;
}
.nav-search-form.is-open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.nav-search-form input[type=search] {
    flex: 1;
    border: 0;
    outline: 0;
    background: transparent;
    padding: 6px 10px;
    font-size: 14px;
    color: var(--color-text);
    font-family: inherit;
}
.nav-search-form input[type=search]::placeholder {
    color: var(--color-text-muted);
}
.nav-search-submit {
    background: var(--color-text);
    color: var(--color-surface);
    border: 0;
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border-radius: 2px;
    font-size: 11px;
    transition: background 200ms ease;
}
.nav-search-submit:hover {
    background: var(--color-accent);
}

/* ---------- Row 2: primary nav (compact, 8 items) ---------- */
.nav-row-primary {
    justify-content: center;
    padding: 0 0 6px;
    border-top: 1px solid rgba(0, 0, 0, 0.04);
}

.nav-primary {
    list-style: none;
    margin: 0;
    padding: 0;
    display: none;
    gap: clamp(14px, 2.2vw, 30px);
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}
@media (min-width: 992px) {
    .nav-primary { display: flex; }
}

.nav-primary-item {
    position: relative;
}
.nav-primary a {
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--color-text);
    text-decoration: none;
    position: relative;
    padding: 8px 0;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    transition: color 200ms ease;
    white-space: nowrap;
}
.nav-primary a::after {
    content: "";
    position: absolute;
    left: 0;
    right: 100%;
    bottom: 4px;
    height: 1px;
    background: currentColor;
    transition: right 240ms ease;
}
.nav-primary a:hover::after,
.nav-primary-item:hover > a::after,
.nav-primary-item:focus-within > a::after {
    right: 0;
}
.nav-caret {
    font-size: 7px;
    opacity: 0.55;
    transition: transform 240ms ease;
}
.nav-primary-item.has-mega:hover .nav-caret {
    transform: rotate(180deg);
}
.nav-link-sale {
    color: var(--color-accent) !important;
}

/* ---------- Mega menu ---------- */
.nav-mega {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(8px);
    width: 560px;
    max-width: calc(100vw - 32px);
    background: var(--color-surface);
    border: 1px solid rgba(0, 0, 0, 0.06);
    border-top: 2px solid var(--color-text);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.10);
    padding: var(--space-5);
    opacity: 0;
    visibility: hidden;
    transition: opacity 200ms ease, transform 220ms ease, visibility 0s linear 220ms;
    z-index: 100;
    box-sizing: border-box;
    overflow: hidden;
}
.nav-primary-item.has-mega:hover .nav-mega,
.nav-primary-item.has-mega:focus-within .nav-mega {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
    transition: opacity 220ms ease, transform 260ms cubic-bezier(0.2, 0.8, 0.2, 1), visibility 0s linear 0s;
}

/* Viewport-edge anchors (toggled by JS) */
.nav-mega.is-anchor-left {
    left: 0;
    transform: translateX(0) translateY(8px);
}
.nav-primary-item.has-mega:hover .nav-mega.is-anchor-left,
.nav-primary-item.has-mega:focus-within .nav-mega.is-anchor-left {
    transform: translateX(0) translateY(0);
}
.nav-mega.is-anchor-right {
    left: auto;
    right: 0;
    transform: translateX(0) translateY(8px);
}
.nav-primary-item.has-mega:hover .nav-mega.is-anchor-right,
.nav-primary-item.has-mega:focus-within .nav-mega.is-anchor-right {
    transform: translateX(0) translateY(0);
}

.nav-mega-inner {
    display: grid;
    grid-template-columns: 160px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
}
.nav-mega-col-links {
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.nav-mega-heading {
    display: block;
    font-size: 10px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    font-weight: 600;
    margin-bottom: var(--space-3);
}
.nav-mega-list {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 2px;
}
.nav-mega-list a {
    font-size: 13.5px;
    color: var(--color-text);
    text-decoration: none;
    text-transform: none;
    letter-spacing: 0;
    font-weight: 400;
    padding: 5px 0;
    display: inline-flex;
    align-items: center;
    transition: color 200ms ease, padding-left 200ms ease;
}
.nav-mega-list a::after { display: none; }
.nav-mega-list a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}
.nav-mega-all {
    font-size: 10.5px !important;
    font-weight: 600 !important;
    color: var(--color-accent) !important;
    margin-top: var(--space-3);
    letter-spacing: 0.16em !important;
    text-transform: uppercase !important;
    display: inline-flex !important;
    align-items: center !important;
    gap: 6px !important;
    align-self: flex-start;
    text-decoration: none;
}
.nav-mega-all i {
    font-size: 9px;
    transition: transform 220ms ease;
}
.nav-mega-all:hover i {
    transform: translateX(3px);
}

/* Featured product tiles — 2 across in the right column */
.nav-mega-col-preview {
    min-width: 0;
}
.nav-mega-tiles {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}
.nav-mega-tile {
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--color-text);
    text-decoration: none;
    transition: transform 220ms ease;
    min-width: 0;
}
.nav-mega-tile:hover {
    transform: translateY(-2px);
}
.nav-mega-tile-img {
    width: 100%;
    aspect-ratio: 3 / 4;
    overflow: hidden;
    background: var(--color-bg);
    display: block;
    position: relative;
}
.nav-mega-tile-img img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 700ms ease;
}
.nav-mega-tile:hover .nav-mega-tile-img img {
    transform: scale(1.06);
}
.nav-mega-tile-meta {
    display: flex;
    flex-direction: column;
    gap: 1px;
    min-width: 0;
}
.nav-mega-tile-name {
    display: block;
    font-size: 11.5px;
    font-weight: 500;
    line-height: 1.2;
    color: var(--color-text);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 200ms ease;
}
.nav-mega-tile:hover .nav-mega-tile-name {
    color: var(--color-accent);
}
.nav-mega-tile-price {
    font-size: 11px;
    color: var(--color-text-muted);
    font-weight: 600;
    letter-spacing: 0.02em;
}

/* Mobile compaction */
@media (max-width: 991px) {
    .nav-row-logo {
        min-height: 56px;
        padding: 6px 0;
        grid-template-columns: auto 1fr auto;
    }
    .nav-logo img { max-height: 32px; }
    .nav-logo-text { font-size: 1.15rem; letter-spacing: 0.06em; }
    .nav-row-primary { display: none; }
    .nav-utility { gap: 0; }
    .nav-utility li.nav-search-wrap { display: none; }
}