/* =========================================
   Navigation Styles - Premium Edition
   ========================================= */

/* Main Navigation */
nav {
    background: linear-gradient(180deg, var(--white) 0%, rgba(255,255,255,0.98) 100%);
    box-shadow: 0 4px 30px rgba(26, 31, 46, 0.08);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(232, 232, 230, 0.5);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

nav::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        var(--primary-orange) 20%, 
        var(--primary-orange) 80%, 
        transparent 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

nav:hover::before {
    opacity: 0.6;
}

nav.scrolled {
    box-shadow: 0 8px 40px rgba(26, 31, 46, 0.12);
    background: rgba(255, 255, 255, 0.95);
}

nav.scrolled .nav-container {
    height: 90px;
}

nav.scrolled .nav-link {
    height: 90px;
}

/* Fixed to viewport: when scrolled, banner is off-screen — only nav height counts */
nav.scrolled .mega-menu {
    top: 90px;
}

nav.scrolled .logo-img {
    height: 55px;
}

.nav-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100px;
    transition: height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo {
    font-size: 1.8em;
    font-weight: 700;
    color: var(--primary-navy);
    z-index: 1001;
    display: flex;
    align-items: center;
    text-decoration: none;
    height: 65px;
}

.logo-img {
    height: 60px;
    width: auto;
    max-width: 220px;
    display: block;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-main {
    display: flex;
    align-items: center;
    gap: 5px;
    flex: 1;
    justify-content: center;
    height: 100%; /* Full height for seamless mega menu connection */
}

.nav-item {
    position: relative;
    height: 100%; /* Full height of nav-container */
    display: flex;
    align-items: center;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 0 22px;
    height: 100px; /* Match nav-container height exactly */
    text-decoration: none;
    color: var(--primary-navy);
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    position: relative;
    letter-spacing: 0.01em;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 25px;
    left: 22px;
    right: 22px;
    height: 2px;
    background: var(--primary-orange);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 2px;
}

.nav-link:hover::before,
.nav-item:hover .nav-link::before {
    transform: scaleX(1);
}

.nav-link:hover {
    color: var(--primary-orange);
    background: transparent;
}

.nav-arrow {
    font-size: 0.7em;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    opacity: 0.6;
}

.nav-item:hover .nav-arrow {
    transform: rotate(180deg);
    opacity: 1;
}

.nav-utility {
    display: flex;
    align-items: center;
    gap: 25px;
    flex-shrink: 0;
}

.nav-phone {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 600;
    font-size: 1em;
    transition: all 0.3s ease;
    white-space: nowrap;
    padding: 12px 18px;
    border-radius: 50px;
    background: transparent;
    border: 2px solid transparent;
}

.nav-phone:hover {
    color: var(--primary-orange);
    background: var(--primary-orange-tint-light);
    border-color: var(--primary-orange-tint-medium);
}

.nav-phone .fa-icon {
    transition: transform 0.3s ease;
}

.nav-phone:hover .fa-icon {
    transform: rotate(15deg) scale(1.1);
}

.nav-login {
    color: var(--primary-navy);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

.nav-login:hover {
    color: var(--primary-orange);
}

/* Mega Menu - Premium Edition */
.mega-menu {
    display: none;
    position: fixed;
    top: 100px; /* Urgency banner (48px) + Nav bar (100px) */
    left: 0;
    right: 0;
    width: 100%;
    background: linear-gradient(180deg, var(--white) 0%, rgba(250, 250, 250, 1) 100%);
    box-shadow: 0 25px 80px rgba(26, 31, 46, 0.15), 
                0 10px 30px rgba(26, 31, 46, 0.08);
    z-index: 9999;
    padding-top: 0;
    margin-top: 0;
}

.nav-item:hover .mega-menu {
    display: block;
    animation: megaMenuReveal 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes megaMenuReveal {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.mega-menu-container {
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 45px 5% 55px;
    display: grid;
    gap: 50px;
    background: transparent;
    position: relative;
}

.mega-menu-container.cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

.mega-menu-container.cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.mega-menu-container.cols-2 {
    grid-template-columns: repeat(2, 1fr);
    max-width: 800px;
}

.mega-menu-column {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 0;
    position: relative;
}

.mega-menu-column::before {
    content: '';
    position: absolute;
    top: 50px;
    right: -25px;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, 
        var(--border-gray) 0%, 
        transparent 100%);
}

.mega-menu-column:last-child::before {
    display: none;
}

.mega-menu-column h4 {
    font-size: 0.7em;
    text-transform: uppercase;
    color: var(--primary-orange);
    font-weight: 700;
    letter-spacing: 2px;
    margin-bottom: 22px;
    padding-bottom: 14px;
    border-bottom: 2px solid var(--primary-orange-tint-medium);
    position: relative;
}

.mega-menu-column h4::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--primary-orange);
}

.mega-menu-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 16px;
    color: var(--primary-navy);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95em;
    line-height: 1.4;
    position: relative;
    overflow: hidden;
}

.mega-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-orange);
    transform: scaleY(0);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.mega-menu-link:hover {
    background: linear-gradient(90deg, var(--primary-orange-tint-light) 0%, transparent 100%);
    color: var(--primary-orange);
    transform: translateX(8px);
    padding-left: 20px;
}

.mega-menu-link:hover::before {
    transform: scaleY(1);
}

.mega-menu-link.featured {
    background: linear-gradient(135deg, var(--primary-orange-tint-light) 0%, var(--primary-orange-tint-medium) 100%);
    border-left: 4px solid var(--primary-orange);
    font-weight: 600;
    padding-left: 16px;
    box-shadow: 0 2px 8px rgba(155, 35, 53, 0.1);
}

.mega-menu-link.featured::before {
    display: none;
}

.mega-menu-link.featured:hover {
    background: linear-gradient(135deg, var(--primary-orange-tint-medium) 0%, var(--primary-orange-tint-dark) 100%);
    transform: translateX(8px);
    box-shadow: 0 4px 15px rgba(155, 35, 53, 0.15);
}

.mega-menu-badge {
    background: linear-gradient(135deg, var(--primary-orange) 0%, var(--primary-orange-hover) 100%);
    color: var(--white);
    padding: 4px 12px;
    font-size: 0.7em;
    font-weight: 700;
    margin-left: auto;
    white-space: nowrap;
    box-shadow: 0 2px 6px rgba(155, 35, 53, 0.25);
    letter-spacing: 0.02em;
}

.mega-menu-icon {
    font-size: 1.3em;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    background: var(--primary-orange-tint-light);
    transition: all 0.25s ease;
}

.mega-menu-link:hover .mega-menu-icon {
    background: var(--primary-orange);
    transform: scale(1.1);
}

.mega-menu-link:hover .mega-menu-icon .fa-icon {
    fill: var(--white) !important;
}

/* Customers Mega Menu - Case Study Cards */
.mega-menu-customers {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
    padding: 40px 5%;
}

.customer-card {
    display: flex;
    gap: 22px;
    padding: 28px;
    background: var(--white);
    border: 1px solid var(--border-gray);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.customer-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary-orange);
    transform: scaleX(0);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.customer-card:hover {
    box-shadow: 0 12px 40px rgba(26, 31, 46, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-orange-tint-medium);
}

.customer-card:hover::after {
    transform: scaleX(1);
}

.customer-card-photo {
    flex-shrink: 0;
}

.customer-card-photo-placeholder {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-orange-tint-light) 0%, var(--primary-orange-tint-medium) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    overflow: hidden;
}

.customer-card-photo-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.customer-card-body {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
}

.customer-card-tag {
    font-size: 0.65em;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 700;
    color: var(--primary-orange);
    background: var(--primary-orange-tint-light);
    padding: 3px 10px;
    display: inline-block;
    width: fit-content;
}

.customer-card-name {
    font-size: 1.05em;
    font-weight: 700;
    color: var(--primary-navy);
    margin: 2px 0 0;
    line-height: 1.3;
}

.customer-card-stat {
    font-size: 0.8em;
    color: var(--medium-gray);
    margin: 0;
    line-height: 1.3;
}

.customer-card-quote {
    font-size: 0.85em;
    color: var(--text-gray-darker);
    line-height: 1.5;
    margin: 4px 0 0;
    font-style: italic;
}

.customer-card-result {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85em;
    font-weight: 700;
    color: var(--success-green);
    margin-top: 4px;
}

.customer-card:hover .customer-card-name {
    color: var(--primary-orange);
}

@media (max-width: 768px) {
    .mega-menu-customers {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 25px 4%;
    }

    .customer-card {
        padding: 20px;
        gap: 16px;
    }

    .customer-card-photo-placeholder {
        width: 60px;
        height: 60px;
    }

    .customer-card-photo-placeholder .fa-icon {
        width: 28px !important;
        height: 28px !important;
    }

    .customer-card-quote {
        font-size: 0.8em;
    }
}

/* Standard Dropdown - Premium Edition */
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%; /* No gap - directly below nav-item */
    left: 50%;
    transform: translateX(-50%);
    min-width: 300px;
    background: var(--white);
    box-shadow: 0 20px 60px rgba(26, 31, 46, 0.15), 
                0 8px 25px rgba(26, 31, 46, 0.08);
    z-index: 9999;
    padding: 15px 0;
}

.nav-item:hover .dropdown-menu {
    display: block;
    animation: dropdownReveal 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes dropdownReveal {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.dropdown-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 25px;
    color: var(--primary-navy);
    text-decoration: none;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.95em;
    position: relative;
}

.dropdown-link:hover {
    background: var(--primary-orange-tint-light);
    color: var(--primary-orange);
    padding-left: 30px;
}

/* Mobile Menu - Premium Edition */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.8em;
    color: var(--primary-navy);
    cursor: pointer;
    padding: 12px;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle:hover {
    background: var(--light-gray);
    color: var(--primary-orange);
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 380px;
    height: 100vh;
    background: linear-gradient(180deg, var(--white) 0%, var(--light-gray) 100%);
    box-shadow: -10px 0 50px rgba(26, 31, 46, 0.2);
    z-index: 2000;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 100px 0 40px 0;
    overflow-y: auto;
}

.mobile-menu::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(180deg, var(--primary-orange), var(--primary-orange-light));
}

.mobile-menu.active {
    display: block;
    right: 0;
}

.mobile-menu-close {
    position: absolute;
    top: 25px;
    right: 25px;
    background: var(--light-gray);
    border: none;
    font-size: 1.5em;
    color: var(--primary-navy);
    cursor: pointer;
    z-index: 2001;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.mobile-menu-close:hover {
    background: var(--primary-orange);
    color: var(--white);
    transform: rotate(90deg);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(26, 31, 46, 0.6);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    z-index: 1999;
}

.mobile-menu-overlay.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.mobile-menu nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
    padding: 0 25px;
}

.mobile-menu nav a {
    text-decoration: none;
    color: var(--primary-navy);
    font-weight: 600;
    font-size: 1.1em;
    padding: 18px 20px;
    border-bottom: none;
    display: flex;
    align-items: center;
    gap: 15px;
    border-radius: 12px;
    transition: all 0.3s ease;
    background: transparent;
}

.mobile-menu nav a:hover {
    color: var(--primary-orange);
    background: var(--white);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(26, 31, 46, 0.08);
}

.mobile-menu nav a .fa-icon {
    width: 22px;
    height: 22px;
    padding: 8px;
    background: var(--primary-orange-tint-light);
    border-radius: 8px;
    box-sizing: content-box;
}

.mobile-menu nav a:hover .fa-icon {
    background: var(--primary-orange);
    fill: var(--white);
}

.mobile-menu nav a.nav-login {
    color: var(--primary-navy);
}

.mobile-menu nav a.Unibuild-btn-nav {
    margin-top: 20px;
    background: linear-gradient(135deg, var(--primary-orange), var(--primary-orange-hover));
    color: var(--white) !important;
    justify-content: center;
    font-weight: 700;
    padding: 20px;
    box-shadow: 0 8px 25px rgba(155, 35, 53, 0.3);
}

.mobile-menu nav a.Unibuild-btn-nav:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(155, 35, 53, 0.4);
}

.mobile-menu nav a.Unibuild-btn-nav .fa-icon {
    background: rgba(255, 255, 255, 0.2);
    fill: var(--white);
}

/* Responsive Navigation Styles */
@media (max-width: 1200px) {
    .nav-link {
        padding: 0 16px;
        font-size: 0.95em;
    }
    
    .nav-utility {
        gap: 15px;
    }
    
    .nav-phone span {
        display: none;
    }
    
    .nav-phone {
        padding: 12px;
        border-radius: 50%;
    }
}

@media (max-width: 992px) {
    .nav-main {
        display: none;
    }

    .nav-utility {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-container {
        height: 85px;
    }
    
    .logo-img {
        height: 50px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 4%;
        height: 75px;
    }
    
    .nav-main {
        display: none;
    }

    .nav-utility {
        display: none;
    }

    .mobile-menu-toggle {
        display: block;
    }

    .logo-img {
        height: 45px;
        max-width: 160px;
    }

    .mega-menu,
    .dropdown-menu {
        display: none !important;
    }
}