.dropdown-arrow::before{content:"\2198";}
.project-arrow::before,.service-arrow::before,.quote-arrow::before{content:"\2197";}
/* =========================================
   STYLE FORM BUILDING
   ADVANCED ARCHITECTURAL HEADER
========================================= */


/* =========================================
   ROOT VARIABLES
========================================= */

:root {

    --header-height: 140px;
    --header-height-scrolled: 72px;

    /* Colors mapped to global palette */
    --black: var(--obsidian);
    --white: var(--warm-white);

    --grey: var(--concrete);
    --light-grey: var(--sand);

    --border: rgba(var(--obsidian-rgb), 0.12);

    --glass: rgba(var(--obsidian-rgb), 0.78);

    --transition:
        cubic-bezier(0.22, 1, 0.36, 1);

}


/* =========================================
   RESET
========================================= */

.site-header *,
.site-header *::before,
.site-header *::after {

    box-sizing: border-box;

}


.site-header a {

    text-decoration: none;
    color: inherit;

}


.site-header button {

    font-family: inherit;

}


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

.site-header {

    position: fixed;

    top: 0;
    left: 0;

    width: 100%;

    height: var(--header-height);

    z-index: 9999;

    color: var(--white);

    transition:
        background 0.5s var(--transition),
        backdrop-filter 0.5s var(--transition),
        box-shadow 0.5s var(--transition),
        height 0.35s var(--transition);

}


/* SCROLLED STATE */

.site-header.scrolled {

    height: var(--header-height-scrolled);

    background: var(--glass);

    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);

    border-bottom:
        1px solid var(--border);

    box-shadow:
        0 15px 40px rgba(0, 0, 0, 0.15);

}

/* =========================================
   HEADER CONTAINER
========================================= */

.header-container {

    width: min(1400px, 92%);

    height: 100%;

    margin: auto;

    display: flex;

    align-items: center;

    justify-content: space-between;

}


/* =========================================
   LOGO
========================================= */

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    line-height: 1;
    min-width: 140px;
}


.brand-main {
    display: block;
    font-size: 17px;
    line-height: 1.0;
    font-weight: 700;
    letter-spacing: 0.04em;
    color: #A9A92B !important;
    transition: font-size 0.35s var(--transition);
}

.brand-sub {
    display: block;
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.02em;
    margin-top: 5px;
    opacity: 0.85;
    line-height: 1.35;
    max-width: 310px;
    text-align: left;
    transition: font-size 0.35s var(--transition), margin 0.35s var(--transition);
}
.brand:hover .brand-sub { color: #A9A92B; }

/* brand logo */
.brand-logo{
    width:112px;
    height:112px;
    object-fit:contain;
    display:block;
    transition: width 0.35s var(--transition), height 0.35s var(--transition);
}

.site-header.scrolled .brand-main {
    font-size: 12px;
}

.site-header.scrolled .brand-sub {
    font-size: 7px;
    margin-top: 2px;
}

.site-header.scrolled .brand-logo {
    width: 56px;
    height: 56px;
}

.brand-text{
    background:transparent;
    padding:0;
    display:flex;
    flex-direction:column;
}


/* =========================================
   DESKTOP NAVIGATION
========================================= */

.desktop-nav {

    display: flex;

    align-items: center;

    gap: 26px;

    height: 100%;

}


.nav-link,
.nav-dropdown-btn {

    position: relative;

    display: flex;

    align-items: center;

    gap: 7px;

    height: 100%;

    border: none;

    background: none;

    color: var(--white);

    cursor: pointer;

    font-size: 10px;

    font-weight: 500;

    text-transform: uppercase;

    letter-spacing: 0.12em;

}


/* NAV HOVER LINE */

.nav-link::after,
.nav-dropdown-btn::after {

    content: "";

    position: absolute;

    bottom: 22px;

    left: 0;

    width: 0;

    height: 1px;

    background: var(--white);

    transition:
        width 0.4s var(--transition);

}


.nav-link:hover::after,
.nav-dropdown-btn:hover::after,
.nav-link.active::after,
.nav-dropdown.active .nav-dropdown-btn::after {

    width: 100%;

}

.nav-link.active {
    color: var(--brand-green) !important;
}

.nav-link:hover {
    color: var(--brand-green) !important;
}

.nav-link.active::after,
.nav-link:hover::after,
.nav-dropdown.active .nav-dropdown-btn::after {
    background: var(--brand-green) !important;
}

.nav-dropdown:hover .nav-dropdown-btn,
.nav-dropdown.open .nav-dropdown-btn {
    color: var(--brand-green);
}

.nav-dropdown:hover .nav-dropdown-btn::after,
.nav-dropdown.open .nav-dropdown-btn::after {
    background: var(--brand-green);
}


/* =========================================
   DROPDOWN ARROW
========================================= */

.dropdown-arrow {

    font-size: 14px;
    color: var(--brand-green);

    transition:
        transform 0.4s var(--transition);

}


.nav-dropdown:hover
.dropdown-arrow {

    transform: rotate(-45deg);

}


/* =========================================
   DROPDOWN WRAPPER
========================================= */

.nav-dropdown {

    position: relative;

    height: 100%;

    display: flex;

    align-items: center;

}


/* =========================================
   PROJECT MEGA MENU
========================================= */

.mega-menu {

    position: absolute;

    top: 100%;

    left: 50%;

    transform:
        translate(-50%, -20px);

    width: min(700px, 90vw);

    min-height: 300px;

    padding: 12px;

    display: grid;

    grid-template-columns:
        0.6fr 1fr 0.6fr;

    gap: 16px;

    background: rgba(15, 15, 15, 0.97);

    backdrop-filter: blur(20px);

    border:
        1px solid var(--border);

    border-radius: 0 0 8px 8px;

    max-height: 320px;
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: var(--brand-green) transparent;

    opacity: 0;

    visibility: hidden;

    pointer-events: none;

    transition:
        opacity 0.4s var(--transition),
        transform 0.5s var(--transition),
        visibility 0.4s;

}

.mega-menu::-webkit-scrollbar {
    width: 6px;
}

.mega-menu::-webkit-scrollbar-thumb {
    background: var(--brand-green);
    border-radius: 999px;
}

.mega-menu::-webkit-scrollbar-thumb:hover {
    background: var(--brand-green-light);
}


/* SHOW MEGA / SERVICES MENU — visible on hover OR when parent has .open (clickable) */

.nav-dropdown:hover .mega-menu,
.nav-dropdown.open .mega-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}

.nav-dropdown:hover .services-menu,
.nav-dropdown.open .services-menu {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, 0);
}


/* =========================================
   MENU LABEL
========================================= */

.menu-label {

    display: block;

    margin-bottom: 18px;

    color: var(--grey);

    font-size: 9px;

    letter-spacing: 0.25em;

    text-transform: uppercase;

}


/* =========================================
   MEGA MENU LEFT
========================================= */

.mega-menu-left h2 {
    margin: 0 0 10px;
    font-size: clamp(24px, 2.6vw, 40px);
    font-weight: 400;
    line-height: 1;
}


.mega-menu-left p {
    color: var(--grey);
    font-size: 11px;
    line-height: 1.5;
}


.view-projects {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: 12px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--white);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
}

.view-projects:hover,
.view-projects:focus-visible {
    color: var(--brand-green);
    border-bottom-color: var(--brand-green);
}


.view-projects span {

    color: inherit;

    transition:
        transform 0.3s var(--transition);

}


.view-projects:hover span {

    transform: translate(4px, -4px);

}


/* =========================================
   PROJECT LIST
========================================= */

.mega-menu-projects {

    display: flex;

    flex-direction: column;

    max-height: none;
    overflow-y: visible;
    padding-right: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--brand-green) transparent;

}

.mega-menu-projects::-webkit-scrollbar {
    width: 6px;
}

.mega-menu-projects::-webkit-scrollbar-thumb {
    background: var(--brand-green);
    border-radius: 999px;
}

.mega-menu-projects::-webkit-scrollbar-thumb:hover {
    background: var(--brand-green-light);
}


.project-item {
    position: relative;
    display: grid;
    grid-template-columns: 30px 1fr 20px;
    align-items: center;
    gap: 10px;
    min-height: 48px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
    transition: padding 0.25s var(--transition);
}


.project-item:hover {

    padding-left: 15px;
    color: var(--brand-green);
    border-bottom-color: var(--brand-green);

}

.project-item:hover .project-number,
.project-item:hover .project-info span,
.project-item:hover .project-arrow { color: var(--brand-green); }


.project-number {
    color: var(--grey);
    font-size: 8px;
}


.project-info h3 {
    margin: 0;
    font-size: 12px;
    font-weight: 400;
    color: var(--brand-green);
}


.project-info span {

    display: block;

    margin-top: 7px;

    color: var(--grey);

    font-size: 10px;

    text-transform: uppercase;

    letter-spacing: 0.1em;

}


.project-arrow {

    font-size: 18px;

    transition:
        transform 0.4s var(--transition);

}


.project-item:hover
.project-arrow {

    transform:
        translate(5px, -5px);

}


/* =========================================
   PROJECT IMAGE PREVIEW
========================================= */

.mega-preview {
    position: relative;
    overflow: hidden;
    min-height: 160px;
}


.mega-preview img {

    width: 100%;

    height: 100%;

    object-fit: cover;

    will-change: transform, opacity;

    transition:
        transform 0.8s var(--transition);

}

.mega-preview img.is-sliding {
    animation: preview-slide-up 0.26s var(--transition) both;
}

@keyframes preview-slide-up {
    from {
        opacity: 0;
        transform: translateY(18px) scale(1.04);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1.05);
    }
}


.project-item:hover
~ .mega-preview img {

    transform: scale(1.05);

}


.preview-overlay {

    position: absolute;

    inset: 0;

    background:
        linear-gradient(
            to top,
            rgba(0,0,0,0.65),
            transparent 60%
        );

}


.preview-text {
    position: absolute;
    bottom: 10px;
    left: 10px;
    font-size: 8px;
    letter-spacing: 0.18em;
}


/* =========================================
   SERVICES MENU
========================================= */

.services-menu {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, -20px);
    width: min(700px, 90vw);
    padding: 12px;
    background: rgba(15, 15, 15, 0.97);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.32s var(--transition), transform 0.42s var(--transition);
    max-height: 320px;
    overflow-y: auto;
    padding-right: 8px;
    scrollbar-width: thin;
    scrollbar-color: var(--brand-green) transparent;
}

.services-menu::-webkit-scrollbar {
    width: 6px;
}

.services-menu::-webkit-scrollbar-thumb {
    background: var(--brand-green);
    border-radius: 999px;
}

.services-menu::-webkit-scrollbar-thumb:hover {
    background: var(--brand-green-light);
}


.nav-dropdown:hover .services-menu {

    opacity: 1;

    visibility: visible;

    pointer-events: auto;

    transform:
        translate(-50%, 0);

}


.services-heading h2 {

    margin: 0 0 20px;

    font-size: 32px;

    font-weight: 400;

}


/* =========================================
   SERVICES GRID
========================================= */

.services-grid {

    display: grid;

    grid-template-columns:
        repeat(2, 1fr);

}


.service-item {
    display: grid;
    grid-template-columns: 20px 1fr 15px;
    gap: 8px;
    padding: 6px 8px;
    border-top: 1px solid var(--border);
    transition: background 0.28s ease, padding 0.25s var(--transition);
}


.service-item:hover {
    background: rgba(169, 169, 43, 0.18);
    padding-left: 12px;
    border-top-color: var(--brand-green);
}

.service-item:hover h3,
.service-item:hover .service-number,
.service-item:hover .service-arrow { color: var(--brand-green); }


.service-number {

    color: var(--grey);

    font-size: 9px;

}


.service-item h3 {
    margin: 0 0 2px;
    font-size: 11px;
    font-weight: 400;
    color: var(--brand-green);
}


.service-item p {

    margin: 0;

    max-width: 300px;

    color: var(--grey);

    font-size: 10px;

    line-height: 1.5;

}


.service-arrow {

    font-size: 17px;

}


/* =========================================
   HEADER ACTIONS
========================================= */

.header-actions {

    display: flex;

    align-items: center;

    gap: 20px;

}


.quote-btn {

    display: flex;

    align-items: center;

    gap: 15px;

    padding: 13px 18px;

    border: 1px solid var(--brand-green);
    background: var(--brand-green);
    color: var(--black);

    font-size: 10px;

    text-transform: uppercase;

    letter-spacing: 0.12em;

    transition:
        background 0.4s ease,
        color 0.4s ease,
        border-color 0.4s ease;

}


.quote-btn:hover {

    background: var(--brand-green-dark);
    border-color: var(--brand-green-dark);
    color: var(--white);

}


.quote-arrow {

    font-size: 16px;

}


/* =========================================
   MOBILE BUTTON
========================================= */

.menu-toggle {

    display: none;

    min-width: 76px;

    height: 42px;

    padding: 0 10px;

    border: 1px solid var(--border);

    background: transparent;

    cursor: pointer;

    align-items: center;
    justify-content: center;
    gap: 9px;

}


.menu-toggle-label {

    color: var(--white);
    font-size: 10px;
    font-weight: 600;
    letter-spacing: .12em;
    text-transform: uppercase;

}

.mobile-link-bar {

    display: none;

}

.menu-toggle-icon {

    display: block;

}

.menu-toggle-icon span {

    display: block;

    width: 17px;

    height: 1px;

    margin: 5px auto;

    background: var(--white);

    transition:
        transform 0.4s ease;

}

.menu-toggle.active .menu-toggle-icon span:first-child {
    transform: translateY(3px) rotate(45deg);
}

.menu-toggle.active .menu-toggle-icon span:last-child {
    transform: translateY(-3px) rotate(-45deg);
}


/* =========================================
   MOBILE MENU
========================================= */

.mobile-menu {

    position: fixed;

    inset: 0;

    /* The panel is injected into body, so it must sit above page content. */
    z-index: 9998;

    display: flex;

    align-items: center;

    background: var(--black);

    transform: translateY(-100%);
    visibility: hidden;
    pointer-events: none;

    transition:
        transform 0.7s var(--transition);

}


.mobile-menu.open {

    transform: translateY(0);
    visibility: visible;
    pointer-events: auto;

}


.mobile-menu-inner {

    width: 90%;

    margin: auto;

}


.mobile-nav {

    display: flex;

    flex-direction: column;

}


.mobile-nav a {

    display: flex;

    align-items: center;

    padding: 18px 0;

    border-bottom:
        1px solid var(--border);

    font-size: clamp(30px, 8vw, 55px);

    font-weight: 300;

}


.mobile-nav a span {

    color: var(--grey);

    font-size: 10px;

}


.mobile-nav a:hover {

    padding-left: 15px;
    color: var(--brand-green-light);

}


/* =========================================
   MOBILE CONTACT
========================================= */

.mobile-contact {

    margin-top: 50px;

}


.mobile-contact p {

    color: var(--grey);

    font-size: 11px;

    text-transform: uppercase;

    letter-spacing: 0.15em;

}


.mobile-contact a {

    font-size: 20px;

}


/* =========================================
   RESPONSIVE
========================================= */

@media (max-width: 1100px) {

    .desktop-nav {

        gap: 20px;

    }

    .mega-menu {

        grid-template-columns:
            0.7fr 1fr;

    }

    .mega-preview {

        display: none;

    }

}


@media (max-width: 850px) {

    .desktop-nav {

        display: none;

    }

    .quote-btn {

        display: none;

    }

    .menu-toggle {

        display: inline-flex;
        position: relative;
        z-index: 1;
        touch-action: manipulation;

    }

    .header-container {

        width: 90%;

    }

    .mobile-link-bar {

        position: absolute;
        top: 100%;
        left: 0;
        display: flex;
        width: 100%;
        overflow-x: auto;
        border-top: 1px solid rgba(255,255,255,.15);
        border-bottom: 1px solid rgba(255,255,255,.15);
        background: #171717;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;

    }

    .mobile-link-bar::-webkit-scrollbar {

        display: none;

    }

    .mobile-link-bar a {

        flex: 0 0 auto;
        padding: 13px 14px;
        color: var(--white);
        font-size: 10px;
        font-weight: 600;
        letter-spacing: .1em;
        text-transform: uppercase;
        white-space: nowrap;

    }

    .mobile-link-bar a:active,
    .mobile-link-bar a.active,
    .mobile-link-bar a:focus-visible {

        background: rgba(255,255,255,.12);
        box-shadow: inset 0 -2px 0 var(--orange);
        outline: none;

    }

    .brand-logo {
        width:88px;
        height:88px;
    }

    .mobile-menu {
        padding-top: var(--header-height);
        box-sizing: border-box;
        max-height: 100dvh;
        overflow-y: auto;
        scrollbar-width: auto;
        scrollbar-color: var(--brand-green) rgba(255,255,255,.14);
        -webkit-overflow-scrolling: touch;
    }

    .mobile-menu::-webkit-scrollbar {
        width: 8px;
    }

    .mobile-menu::-webkit-scrollbar-track {
        background: rgba(255,255,255,.14);
    }

    .mobile-menu::-webkit-scrollbar-thumb {
        background: var(--brand-green);
        border-radius: 4px;
    }

}


/* =========================================
   SMALL MOBILE
========================================= */

@media (max-width: 500px) {

    :root {

        --header-height: 108px;

    }

    .brand-main {
        font-size: 13px;
        color: #A9A92B !important;

    }

    .brand-logo {
        width:64px;
        height:64px;
    }

    .brand-sub {

        font-size: 7px;

    }

    .mobile-nav a {
        padding: 15px 0;
    }

    .mobile-contact {
        margin-top: 32px;
        padding-bottom: 32px;
    }

}

body.mobile-menu-open {
    overflow: hidden;
    overscroll-behavior: none;
}

.nav-dropdown.open .dropdown-arrow {
    transform: rotate(-45deg);
}