/* --- DYNAMIC FLOATING HEADER --- */
header {
    position: fixed;
    top: -1px;
    left: -1px;
    width: calc(100% + 2px);
    margin: 0;
    padding: 1.5rem 4rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
    color: var(--text-warm-white);
    background-color: rgba(var(--fern-dark-green-rgb, 55, 74, 56), 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    will-change: transform;
    transform: translateZ(0);
    transition: transform 0.5s cubic-bezier(0, 0, 0.2, 1), background-color 0.4s ease, padding 0.4s ease;
}

header.header-hidden {
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0, 0, 0.2, 1);
}

header.header-visible {
    transform: translateY(0);
    transition: transform 0.5s cubic-bezier(0.4, 0, 1, 1);
}

/* --- LOGO CONTAINER & NEON OUTLINE SWEEP --- */
.logo-container {
    position: relative;
    width: 128px;
    height: 64px;
    cursor: pointer;
    display: inline-block;
}

.logo-base, 
.logo-neon-sweep {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.logo-base { z-index: 1; }

.logo-neon-sweep {
    z-index: 2;
    filter: drop-shadow(0 0 1.5px var(--lime-green)) 
            drop-shadow(0 0 3px var(--lime-neon-glow));
    clip-path: polygon(0 0, 0 0, 0 100%, 0 100%);
    transition: clip-path 0.6s cubic-bezier(0.77, 0, 0.175, 1), 
                transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.logo-container:hover .logo-base,
.logo-container:hover .logo-neon-sweep {
    transform: scale(1.05);
}

.logo-container:hover .logo-neon-sweep {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
}

/* --- NAV LINKS --- */
.nav-links {
    display: flex;
    gap: 2.5rem;
    align-items: center;
}

.nav-links > a, 
.nav-link-dropdown {
    color: var(--text-warm-white);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: relative;
    cursor: pointer;
    display: inline-block;
    transition: transform 0.3s ease, color 0.3s ease;
}

.nav-links > a::after,
.nav-link-dropdown::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.nav-links > a:hover,
.nav-link-dropdown:hover,
.nav-dropdown-trigger.active-hover .nav-link-dropdown {
    transform: scale(1.08);
    color: var(--lime-green);
}

.nav-links > a:hover::after,
.nav-link-dropdown:hover::after,
.nav-dropdown-trigger.active-hover .nav-link-dropdown::after {
    transform: scaleX(1);
}

/* Contact Link on Right */
.nav-link-contact-right {
    color: var(--text-warm-white);
    text-decoration: none;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    position: relative;
    cursor: pointer;
    transition: transform 0.3s ease, color 0.3s ease;
}

.nav-link-contact-right::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.nav-link-contact-right:hover {
    transform: scale(1.08);
    color: var(--lime-green);
}

.nav-link-contact-right:hover::after {
    transform: scaleX(1);
}

/* --- HEADER CONTROLS --- */
.header-controls {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.big-x-btn {
    background: linear-gradient(to right, var(--danger-red, #ff4d4d) 50%, var(--text-warm-white, #ffffff) 50%);
    background-size: 200% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: background-position 0.4s cubic-bezier(0.77, 0, 0.175, 1);
    font-size: 1.8rem;
    line-height: 1;
    font-weight: 300;
    cursor: pointer;
    border: none;
    outline: none;
    user-select: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0 4px;
}

.big-x-btn:hover {
    background-position: 0 0;
}

/* Search Toggle Button */
.search-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    color: #ffffff;
    font-size: 1.25rem;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), color 0.4s ease;
    width: 28px;
    height: 28px;
}

.search-toggle-btn .icon-search {
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.search-toggle-btn:hover {
    transform: scale(1.22);
    color: var(--lime-green);
}

.search-toggle-btn .icon-x {
    position: absolute;
    opacity: 0;
    transform: scale(0.5) rotate(-45deg);
    pointer-events: none;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.search-toggle-btn.is-active .icon-search {
    opacity: 0;
    transform: scale(0.5) rotate(45deg);
    pointer-events: none;
}

.search-toggle-btn.is-active .icon-x {
    opacity: 1;
    transform: scale(1) rotate(0deg);
    pointer-events: auto;
}

/* Mobile Menu 3-Line Trigger */
.mobile-menu-trigger {
    display: none;
    flex-direction: column;
    align-items: flex-end;
    gap: 6px;
    cursor: pointer;
    padding: 5px;
    background: none;
    border: none;
}

.mobile-menu-trigger .line-long,
.mobile-menu-trigger .line-short {
    position: relative;
    overflow: hidden;
    background-color: #ffffff;
    height: 2px;
    border-radius: 1px;
}

.mobile-menu-trigger .line-long { width: 28px; }
.mobile-menu-trigger .line-short { width: 16px; }

.mobile-menu-trigger .line-long::before,
.mobile-menu-trigger .line-short::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-menu-trigger:hover .line-long::before,
.mobile-menu-trigger:hover .line-short::before {
    transform: scaleX(1);
}

/* ==========================================================================
   MASTER 3-PANE FULL-WIDTH MEGAMENU CURTAIN OVERLAY
   ========================================================================== */
.megamenu-curtain {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100vw;
    height: calc(100vh - 100%);
    min-height: calc(100vh - 80px);
    background-color: var(--fern-darkest-forest, #121b13);
    border-bottom: 2px solid var(--lime-green);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    z-index: 95;
    
    will-change: transform, opacity;
    transform: translate3d(100%, 0, 0);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow: hidden;
    
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1),
                opacity 0.6s cubic-bezier(0.85, 0, 0.15, 1),
                visibility 1.2s step-end;
}

.megamenu-curtain::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 0;
    width: 100%;
    height: 20px;
    background: transparent;
    z-index: 100;
}

.megamenu-curtain.open {
    transform: translate3d(0, 0, 0) !important;
    opacity: 1 !important;
    visibility: visible !important;
    pointer-events: auto !important;
    transition: transform 1.2s cubic-bezier(0.85, 0, 0.15, 1) 0.1s,
                opacity 0.5s ease 0.1s,
                visibility 0s !important;
}

.megamenu-curtain.closed {
    transform: translate3d(100%, 0, 0) !important;
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    transition: transform 0.8s cubic-bezier(0.85, 0, 0.15, 1),
                opacity 0.4s ease,
                visibility 0.8s step-end !important;
}

.megamenu-close-btn {
    position: absolute;
    top: 2.5rem;
    right: 4rem;
    z-index: 105;
}

/* Crossfading Backgrounds */
.megamenu-bg {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    filter: brightness(.55);
    transition: opacity 0.5s ease-in-out;
    z-index: 1;
}

.megamenu-bg.bg-services { background-image: url('../media/mega_menu/img/skyline.jpg'); }
.megamenu-bg.bg-projects { background-image: url('../media/mega_menu/img/marina_project.jpg'); }
.megamenu-bg.bg-culture  { background-image: url('../media/mega_menu/img/community.png'); }

.megamenu-bg.active {
    opacity: 1;
}

/* Panes Wrapper */
.megamenu-content-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.megamenu-pane {
    position: absolute;
    inset: 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s step-end;
    pointer-events: none;
    display: flex;
    align-items: center;
}

.megamenu-pane.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 0.4s ease, transform 0.4s ease, visibility 0s;
}

.megamenu-container {
    width: 100%;
    max-width: 1350px;
    margin: 0 auto;
    padding: 3.5rem 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    align-content: center;
}

.megamenu-container.megamenu-grid-4 {
    grid-template-columns: repeat(4, 1fr);
    gap: 2.5rem;
    max-width: 1450px;
}

.megamenu-col {
    display: flex;
    flex-direction: column;
    gap: 1.8rem;
    background: transparent !important;
}

.megamenu-heading {
    font-size: 1.85rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-warm-white);
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.megamenu-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.megamenu-links a {
    color: var(--text-warm-white);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 300;
    letter-spacing: -0.01em;
    width: fit-content;
    position: relative;
    display: inline-block;
    background: linear-gradient(to right, var(--lime-green) 50%, var(--text-warm-white) 50%);
    background-size: 200% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    transition: background-position 0.3s linear, transform 0.3s ease;
}

.megamenu-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s linear;
}

.megamenu-links a:hover {
    transform: scale(1.05) translateY(0);
    background-position: 0 0;
}

.megamenu-links a:hover::after {
    transform: scaleX(1);
}

/* ==========================================================================
   FULL-WIDTH SEARCH CURTAIN OVERLAY
   ========================================================================== */
.search-overlay {
    position: absolute;
    top: 100%;
    left: 0;
    width: 100vw;
    height: calc(100vh - 100%);
    min-height: calc(100vh - 80px);
    background-color: rgba(18, 27, 19, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--lime-green);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.7);
    z-index: 120;
    padding: 3rem 4rem 4rem 4rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    overflow-y: auto;
    
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.4s ease,
                visibility 0.6s step-end;
}

.search-overlay.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                opacity 0.3s ease,
                visibility 0s;
}

.search-container {
    width: 100%;
    max-width: 1300px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.search-input-wrapper {
    position: relative;
    width: 100%;
}

.search-input {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.8rem 0;
    font-size: 1.4rem;
    color: var(--text-warm-white, #ffffff);
    font-family: var(--font-primary);
    outline: none;
}

.search-focus-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--lime-green);
    box-shadow: 0 0 10px var(--lime-neon-glow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.77, 0, 0.175, 1);
}

.search-input:focus ~ .search-focus-line {
    transform: scaleX(1);
}

/* 2-Column Search Results Grid */
.search-results-dropdown {
    width: 100%;
    opacity: 0;
    transform: translateY(15px);
    transition: opacity 0.35s ease, transform 0.35s ease;
}

.search-results-dropdown.active {
    opacity: 1;
    transform: translateY(0);
}

.search-results-list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem 2.5rem;
    width: 100%;
}

.search-result-cell {
    background: rgba(255, 255, 255, 0.025);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 12px;
    padding: 1.4rem 1.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    cursor: pointer;
    transition: transform 0.35s cubic-bezier(0.25, 1, 0.5, 1),
                border-color 0.35s ease,
                background-color 0.35s ease;
}

.search-result-cell:hover {
    background: rgba(164, 214, 94, 0.08);
    border-color: rgba(164, 214, 94, 0.4);
    transform: scale(1.02) translateY(-2px);
}

/* Neon Green Breadcrumbs */
.search-result-path {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.path-link {
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--lime-green);
    text-decoration: none;
    position: relative;
    display: inline-block;
    transition: color 0.3s ease, transform 0.3s ease;
}

.path-link::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s cubic-bezier(0.77, 0, 0.175, 1);
}

.path-link:hover {
    color: #ffffff;
    transform: translateY(-1px);
}

.path-link:hover::after {
    transform: scaleX(1);
}

.path-chevron {
    color: rgba(255, 255, 255, 0.35);
    font-size: 0.75rem;
    font-weight: 600;
}

.search-result-title {
    font-size: 1.25rem;
    font-weight: 400;
    color: #ffffff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.search-result-cell:hover .search-result-title {
    color: var(--lime-green);
}

.search-result-snippet {
    font-size: 0.92rem;
    line-height: 1.55;
    color: var(--text-warm-muted, #d5d1c5);
    font-weight: 300;
}

mark.search-highlight {
    background: transparent;
    color: var(--lime-green) !important;
    font-weight: 700;
    text-shadow: 0 0 8px var(--lime-neon-glow);
    padding: 0;
}

.search-no-results {
    padding: 3rem 2rem;
    text-align: center;
    color: var(--text-warm-muted);
    font-size: 1.1rem;
    font-weight: 300;
    grid-column: 1 / -1;
}

.search-no-results .query-text {
    color: var(--lime-green);
    font-weight: 500;
}

/* ==========================================================================
   MOBILE DROPDOWN DRAWER
   ========================================================================== */
.mobile-dropdown-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: rgba(22, 32, 23, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 200;
    padding: 3rem 4rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transform: translateY(-100%);
    transition: transform 0.8s cubic-bezier(0.65, 0, 0.35, 1);
}

.mobile-dropdown-menu.active {
    transform: translateY(0);
}

.dropdown-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.dropdown-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2.2rem;
    margin: auto 0;
    text-align: center;
    width: 100%;
}

.dropdown-nav a {
    color: var(--text-warm-white);
    font-size: 2.5rem;
    font-weight: 300;
    text-decoration: none;
    letter-spacing: -0.01em;
    display: inline-block;
    width: fit-content;
    margin: 0 auto;
    position: relative;
    transform-origin: center;
    background: linear-gradient(to right, var(--lime-green) 50%, var(--text-warm-white) 50%);
    background-size: 200% 100%;
    background-position: 100% 0;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    opacity: 0;
    transform: translateY(35px) scale(0.95);
    transition: opacity 0.8s cubic-bezier(0.65, 0, 0.35, 1),
                transform 0.8s cubic-bezier(0.65, 0, 0.35, 1),
                background-position 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.mobile-dropdown-menu.active .dropdown-nav a {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.mobile-dropdown-menu.active .dropdown-nav a:nth-child(1) { transition-delay: 0.12s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(2) { transition-delay: 0.18s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(3) { transition-delay: 0.24s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(4) { transition-delay: 0.30s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(5) { transition-delay: 0.36s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(6) { transition-delay: 0.42s; }
.mobile-dropdown-menu.active .dropdown-nav a:nth-child(7) { transition-delay: 0.48s; }

.dropdown-nav a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--lime-green);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.dropdown-nav a:hover {
    background-position: 0 0;
    transform: scale(1.08) translateY(0) !important;
}

.dropdown-nav a:hover::after {
    transform: scaleX(1);
}

/* Responsive Rules */
@media (max-width: 1200px) {
    header { padding: 1.2rem 2.5rem; }
    .nav-links, .nav-link-contact-right { display: none !important; }
    .mobile-menu-trigger { display: flex !important; }
    .mobile-dropdown-menu { padding: 3rem 2.5rem; }
    .search-overlay { padding: 3rem 2.5rem 4rem 2.5rem; }
    .search-results-list { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
    header { padding: 1rem 1.5rem; }
    .mobile-dropdown-menu { padding: 2rem 1.5rem; }
    .search-overlay { padding: 2.5rem 1.5rem 3rem 1.5rem; }
}