/* ======================================================================= */
/*                          HEADER & NAVBAR STYLES                         */
/* ======================================================================= */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: fixed;
    width: 100%;
    height: 70px !important;
    top: 0;
    left: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 70px;
}

.nav-logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo img { 
    height: 40px; 
    width: auto;
}

/* Navigation Menu Styles */
.nav-menu {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 2rem;
    margin: 0;
    padding: 0;
}

.nav-menu > li {
    position: relative;
}

/* Nav links */
.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--primary-color);
    background: none;
    border: none;
    outline: none;
    cursor: pointer;
    border-radius: 6px;
    transition: background 0.14s, color 0.14s;
    white-space: nowrap;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    background: #eaf8ff;
    color: var(--secondary-color);
    text-decoration: none;
}

/* Product link styles */
.nav-product-item .nav-link {
    font-weight: 600;
    font-size: 0.85rem;
}

.sidebar-product-logo {
    height: 16px;
    width: 16px;
    flex-shrink: 0;
    object-fit: contain;
    display: inline-block;
}

/* FutureGlob Logo in Nav */
.nav-futureglob-logo {
    height: 35px;
    width: auto;
    filter: none;
}

/* Hide text for image-only links */
.nav-link-text-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0,0,0,0);
    white-space: nowrap;
    border: 0;
}

/* Submenu container - now responsive */
.submenu {
    background-color: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid var(--border-color);
    padding: 0;
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    z-index: 999;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    height: 48px;
    transition: transform 0.3s ease, opacity 0.3s ease, visibility 0.3s ease;
}

.submenu-container {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1.3rem;
    padding: 0.5rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
    flex-wrap: wrap;
}

.submenu-link {
    color: #00aaff;
    text-decoration: none;
    font-size: 1rem;
    font-weight: bold;
    font-family: 'Amaranth', sans-serif;
    padding: 3px 10px;
    border-radius: 4px;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submenu-link:hover {
    background-color: #0077b6;
    color: #fff;
    text-decoration: none;
}

.submenu-link.active {
    background-color: #0077b6;
    color: #fff;
    cursor: default;
}

/* Mobile menu toggle buttons */
.menu-toggle {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
    padding: 10px;
    z-index: 1001;
    position: relative;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    transition: all 0.3s ease-in-out;
    background-color: #00aaff;
}

/* Hamburger menu container */
.mobile-nav-container {
    display: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .nav-menu {
        gap: 1.5rem;
    }
    
    .nav-link {
        font-size: 0.85rem;
        padding: 0.4rem 0.8rem;
    }
    .submenu-container {
        gap: 1rem;
    }
}

@media (max-width: 992px) {
    .nav-menu {
        gap: 1rem;
    }
    
    .nav-link {
        font-size: 0.8rem;
        padding: 0.4rem 0.6rem;
    }
}

/* Enhanced mobile responsiveness for all devices */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
        height: 60px;
    }
    
    header {
        height: 60px!important;
    }
    
    /* Show hamburger menu */
    .menu-toggle {
        display: block;
        padding: 12px;
        margin-right: 0px;
        position: relative;
        z-index: 1002;
    }
    
    /* Main menu - now mobile dropdown */
    .nav-menu {
        display: none;
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 1rem;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        transform: translateY(-100vh);
        transition: transform 0.3s ease-in-out;
        z-index: 999;
        max-height: calc(100vh - 60px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        visibility: hidden;
        opacity: 0;
    }
    
    header.active .nav-menu {
        transform: translateY(0);
        visibility: visible;
        opacity: 1;
    }
    
    .nav-menu > li {
        width: 100%;
        margin-bottom: 0.5rem;
    }
    
    .nav-link {
        padding: 0.75rem 1rem;
        font-size: 16px;
        justify-content: flex-start;
        border-radius: 8px;
        width: 100%;
        min-height: 48px;
        display: flex;
        align-items: center;
    }
    
    /* Submenu becomes dropdown - enhanced mobile functionality */
    .submenu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: auto;
        max-height: calc(100vh - 60px);
        background-color: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(10px);
        border: none;
        border-top: 1px solid var(--border-color);
        transform: translateY(-100%);
        visibility: hidden;
        opacity: 0;
        transition: all 0.3s ease-in-out;
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        z-index: 1000;
    }
    
    /* Show submenu when menu is active */
    header.active .submenu {
        transform: translateY(0);
        visibility: visible;
        opacity: 1;
    }
    
    .submenu-container {
        flex-direction: column;
        gap: 0rem;
        padding: 0 10px;
        align-items: stretch;
    }
    
    .submenu-link {
        padding: 0.6rem 1rem;
        text-align: left;
        border: 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 15px;
        min-height: 48px;
        display: flex;
        align-items: center;
        border-radius: 0px;
        width: 100%;
        box-sizing: border-box;
    }
    
    /* Hamburger animation */
    .menu-toggle.active .bar:nth-child(2) {
        opacity: 0;
    }
    .menu-toggle.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .menu-toggle.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Mobile nav container for dual hamburger */
    .mobile-nav-container {
        display: block;
        position: relative;
    }
    
    .mobile-nav-container .menu-toggle {
        margin-right: 0;
    }
}

/* iPhone specific adjustments */
@media (max-width: 480px) {
    .nav-container {
        padding: 0 0.5rem;
    }
    
    .menu-toggle {
        padding: 8px;
    }
    
    .bar {
        width: 22px;
        height: 2px;
    }
}

/* Accessibility */
.nav-link:focus {
    outline: 2px solid #00aaff;
    outline-offset: 1px;
}

/* Ensure consistent header spacing across all pages */
body {
    padding-top: 118px; /* Header + submenu height */
}

@media (max-width: 768px) {
    body {
        padding-top: 60px; /* Only header height on mobile */
    }
}