body {
    font-family: var(--font-body, 'Montserrat', sans-serif);
}

.header {
    width: 100%;
    background: linear-gradient(180deg, rgba(4, 14, 16, 0.6) 0%, rgba(4, 14, 16, 0.32) 100%);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
    transition: box-shadow var(--dur-med, 0.5s) var(--ease-premium, ease),
                background var(--dur-med, 0.5s) var(--ease-premium, ease),
                border-color var(--dur-med, 0.5s) var(--ease-premium, ease);
    animation: header-in 0.9s var(--ease-premium, ease) both;
}

@keyframes header-in {
    from { opacity: 0; transform: translateY(-14px); }
    to   { opacity: 1; transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
    .header { animation: none; }
}

.header.is-scrolled {
    background: rgba(6, 42, 48, 0.96);
    border-color: rgba(255, 255, 255, 0.06);
    box-shadow: 0 12px 34px rgba(0, 0, 0, 0.22);
}

.header nav a {
    font-weight: 400;
    letter-spacing: 1px;
}

/* Desktop: nav-left | logo (centered) | nav-right | theme-toggle */
.container {
    max-width: 1600px;
    margin: auto;
    padding: 20px 40px;
    display: grid;
    grid-template-columns: 1fr auto 1fr auto;
    align-items: center;
    column-gap: 28px;
    transition: padding var(--dur-med, 0.5s) var(--ease-premium, ease);
}

.header.is-scrolled .container {
    padding: 13px 40px;
}

.logo {
    grid-column: 2;
    grid-row: 1;
    justify-self: center;
}

.logo img {
    width: 64px;
    height: auto;
    cursor: pointer;
    transition: width var(--dur-med, 0.5s) var(--ease-premium, ease),
                transform var(--dur-fast, 0.3s) var(--ease-premium, ease);
}

.logo img:hover {
    transform: scale(1.04);
}

/* The two link groups live inside #navbar so the mobile off-canvas panel
   can still treat it as one list; on desktop .navbar is flattened via
   display:contents so nav-left/nav-right place directly into the grid. */
.navbar {
    display: contents;
}

.nav-group {
    display: flex;
    align-items: center;
    gap: 34px;
}

.nav-left {
    grid-column: 1;
    grid-row: 1;
    justify-self: start;
}

.nav-right {
    grid-column: 3;
    grid-row: 1;
    justify-self: end;
}

.navbar a {
    font-family: var(--font-body, 'Montserrat', sans-serif);
    text-decoration: none;
    color: #fff;
    font-size: 14px;
    letter-spacing: 1.6px;
    font-weight: 500;
    position: relative;
    transition: color var(--dur-fast, 0.3s) var(--ease-premium, ease);
}

.navbar a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: -8px;
    width: 0%;
    height: 1px;
    background: var(--color-accent, #c5a46d);
    transition: width var(--dur-fast, 0.35s) var(--ease-premium, ease);
}

.navbar a:hover {
    color: var(--color-accent, #d0a04f);
}

.navbar a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    grid-column: 4;
    grid-row: 1;
    font-size: 24px;
    cursor: pointer;
    color: white;
}

/* drop down menu of products list */
.arrow {
    display:inline-block;
    width:6px;
    height:6px;
    border-right:2px solid white;
    border-bottom:2px solid white;
    transform: rotate(45deg);
    margin-left:8px;
    margin-bottom:2px;
}

.dropdown:hover .arrow{
    transform: rotate(-135deg);
    transition:0.3s;
}

.dropdown {
    position: relative;
}

/* --------------------------------------------------------------------------
   Products mega-menu
   -------------------------------------------------------------------------- */
.dropdown-content{
    display: flex;
    gap: 36px;
    position: absolute;
    top: calc(100% + 18px);
    left: -30px;
    transform: translateY(8px);
    width: 620px;
    max-width: calc(100vw - 60px);
    background: var(--color-surface, white);
    border-radius: var(--radius-md, 8px);
    box-shadow: var(--shadow-lg, 0 20px 50px rgba(0,0,0,0.2));
    padding: 30px;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--dur-fast, 0.3s) var(--ease-premium, ease),
                transform var(--dur-fast, 0.3s) var(--ease-premium, ease),
                visibility var(--dur-fast, 0.3s);
}

.dropdown:hover .dropdown-content{
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-links {
    flex: 1;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    align-content: start;
    gap: 2px 24px;
}

.mega-links a{
    color: var(--color-primary, #0a4049);
    padding: 9px 10px;
    border-radius: var(--radius-sm, 3px);
    font-size: 14.5px;
    letter-spacing: 0.2px;
    transition: background var(--dur-fast, 0.25s) ease, color var(--dur-fast, 0.25s) ease, padding-left var(--dur-fast, 0.25s) ease;
}

.mega-view-all {
    grid-column: 1 / -1;
    font-weight: 600;
    margin-bottom: 8px;
    padding-bottom: 14px !important;
    border-bottom: 1px solid var(--color-hairline, rgba(0,0,0,0.1));
}

.mega-links a:hover{
    background: var(--color-surface-alt, #f4f2ec);
    padding-left: 16px;
}

[data-theme="dark"] .mega-links a{
    color: var(--color-ink);
}

.mega-preview {
    flex: 0 0 220px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mega-preview-tile {
    position: relative;
    display: block;
    height: 112px;
    border-radius: var(--radius-sm, 4px);
    overflow: hidden;
    text-decoration: none;
}

.mega-preview-tile img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease-premium, ease);
}

.mega-preview-tile:hover img {
    transform: scale(1.08);
}

.mega-preview-tile::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 45%, rgba(4, 14, 16, 0.72) 100%);
}

.mega-preview-tile span {
    position: absolute;
    left: 14px;
    bottom: 11px;
    z-index: 1;
    color: #fff;
    font-family: var(--font-body, 'Montserrat', sans-serif);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.6px;
}

/* mobile + tablet: single hamburger-driven off-canvas nav */
@media (max-width: 1024px) {

    .header {
        min-height: 70px;
    }

    .container {
        display: flex;
        justify-content: space-between;
        padding: 15px 20px;
    }

    .logo {
        justify-self: auto;
    }

    .logo img {
        width: 70px;
    }

    .navbar {
        display: flex;
        flex-direction: column;
        position: fixed;
        align-items: center;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        padding: 110px 24px 40px;
        gap: 22px;
        background: rgba(6, 42, 48, 0.98);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        box-shadow: -10px 0 40px rgba(0,0,0,0.25);
        transition: right var(--dur-med, 0.45s) var(--ease-premium, ease);
        overflow-y: auto;
    }

    .navbar.active {
        right: 0;
    }

    .nav-group {
        display: contents;
    }

    .navbar a {
        font-size: 18px;
        letter-spacing: 0.5px;
    }

    .menu-toggle {
        display: block;
    }

    .dropdown{
        width:100%;
        text-align:center;
    }

    .dropdown-content{
        display:none;
        position:static;
        left: auto;
        transform: none;
        flex-direction:column;
        width: 100%;
        max-width: none;
        background: rgba(255, 255, 255, 0.06);
        margin-top:10px;
        gap: 0;
        padding:10px 0;
        border-radius: var(--radius-sm, 8px);
        box-shadow: none;
        opacity: 1;
        visibility: visible;
    }

    .mega-links {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .mega-links a,
    [data-theme="dark"] .mega-links a {
        color: #fff;
        padding: 10px 0;
        font-size: 16px;
    }

    .mega-view-all {
        border-bottom-color: rgba(255,255,255,0.18);
    }

    .mega-links a:hover {
        background: transparent;
        color: var(--color-accent-light, #ddb876);
    }

    .mega-preview {
        display: none;
    }

    .dropbtn{
        display:block;
        width:100%;
    }

    .dropdown.active .dropdown-content{
        display:flex;
    }

    .arrow{
        border-color:white;
    }
}

/* --------------------------------------------------------------------------
   Theme toggle
   -------------------------------------------------------------------------- */
.theme-toggle {
    position: relative;
    grid-column: 4;
    grid-row: 1;
    flex-shrink: 0;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid rgba(255, 255, 255, 0.28);
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    cursor: pointer;
    transition: background var(--dur-fast, 0.3s) var(--ease-premium, ease),
                border-color var(--dur-fast, 0.3s) var(--ease-premium, ease),
                transform var(--dur-fast, 0.3s) var(--ease-premium, ease);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.14);
    border-color: var(--color-accent, #c69a4e);
    transform: translateY(-1px);
}

.theme-toggle .theme-icon {
    position: absolute;
    width: 17px;
    height: 17px;
    transition: opacity var(--dur-fast, 0.3s) var(--ease-premium, ease),
                transform var(--dur-fast, 0.35s) var(--ease-premium, ease);
}

.theme-toggle .theme-icon--sun {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .theme-icon--moon {
    opacity: 0;
    transform: rotate(-90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .theme-icon--sun {
    opacity: 0;
    transform: rotate(90deg) scale(0.5);
}

[data-theme="dark"] .theme-toggle .theme-icon--moon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

@media (max-width: 1024px) {
    .menu-toggle {
        order: 2;
    }
    .theme-toggle {
        order: 1;
        margin-left: auto;
        margin-right: 10px;
        width: 34px;
        height: 34px;
    }
}