/* Header Styles (unchanged from previous) */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 30px;
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    height: 90px;
    transition: all 0.3s ease-in-out;
}

header.scrolled {
    height: 70px;
    padding: 10px 30px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
}

.logo-wrapper {
    flex-shrink: 0;
}

.logo-wrapper img {
    height: 100%;
    width: auto;
    transition: height 0.3s ease-in-out;
}

header.scrolled .logo-wrapper img {
    height: 30px;
}

/* Desktop Navigation */
nav#nav-menu {
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
    gap: 15px;
    flex-grow: 1;
    margin: 0;
    padding: 0;
    list-style: none;
}

nav#nav-menu > div {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px 12px;
    border-radius: 4px;
    transition: background-color 0.3s ease;
}

nav#nav-menu > div:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

nav#nav-menu a {
    position: relative;
    text-decoration: none;
    color: #333;
    font-size: 1.2rem;
    font-weight: 500;
    white-space: nowrap;
    padding: 0;
}

nav#nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: #000;
    transition: width 0.3s ease;
}

nav#nav-menu a:hover::after,
nav#nav-menu a.active::after {
    width: 100%;
}

/* FIXED: Dropdown Menu Styles with proper centering */
.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 200px;
    box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
    z-index: 1001;
    border-radius: 8px;
    padding: 12px 16px;
    /* FIXED: Better centering calculation */
    left: 50%;
    transform: translateX(-50%);
    top: 100%;
    margin-top: 5px;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    pointer-events: none;
    flex-direction: column;
}

.dropdown.active > .dropdown-content {
    display: flex;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

/* FIXED: Three-column dropdown with proper width control */
.dropdown-content.three-columns {
    /* FIXED: Set a specific width instead of min-width for better control */
    width: 650px;
    /* FIXED: Ensure it centers properly by using consistent positioning */
    left: 50%;
    transform: translateX(-50%);
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s ease, visibility 0.3s ease;
}

.dropdown.active > .dropdown-content.three-columns {
    display: grid;
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.dropdown-content .column {
    padding-right: 15px;
    border-right: 1px solid #eee;
}

.dropdown-content .column:last-child {
    border-right: none;
    padding-right: 0;
}

.dropdown-content h5 {
    color: #555;
    font-size: 1rem;
    margin-bottom: 10px;
    white-space: nowrap;
    font-weight: 600;
}

.dropdown-content a {
    color: #333;
    padding: 8px 10px;
    text-decoration: none;
    display: flex;
    align-items: center;
    font-size: 0.95rem;
    transition: background-color 0.2s ease;
    border-radius: 4px;
    margin-bottom: 5px;
}

.dropdown-content a:hover {
    background-color: #e9e9e9;
    color: #000;
}

.dropdown-content a img {
    height: 20px;
    width: 20px;
    margin-right: 10px;
    border-radius: 3px;
    flex-shrink: 0;
}

/* Hamburger menu toggle */
.menu-toggle {
    display: none;
    width: 30px;
    height: 20px;
    position: relative;
    cursor: pointer;
    z-index: 1001;
    background: none;
    border: none;
    padding: 0;
    flex-shrink: 0;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background-color: #333;
    position: absolute;
    left: 0;
    transition: all 0.3s ease;
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    top: 8px;
}

.menu-toggle.active .hamburger {
    background-color: transparent;
}

.menu-toggle.active .hamburger::before {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .hamburger::after {
    transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Responsive Styles */
@media (max-width: 768px) {
    header {
        height: 60px;
        flex-wrap: nowrap;
        justify-content: space-between;
        padding: 10px 20px;
    }

    header.scrolled {
        height: 60px;
        padding: 10px 20px;
    }

    .logo-wrapper img {
        height: 50px;
    }

    header.scrolled .logo-wrapper img {
        height: 30px;
    }

    .menu-toggle {
        display: block;
    }

    nav#nav-menu {
        position: fixed;
        top: 60px;
        left: 0;
        width: 100%;
        height: calc(100vh - 60px);
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        gap: 0;
        padding: 20px 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
        
        transform: translateX(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        overflow-y: auto;
    }

    nav#nav-menu.active {
        transform: translateX(0);
        opacity: 1;
        visibility: visible;
    }

    nav#nav-menu > div {
        padding: 15px 20px;
        text-align: center;
        width: 100%;
        border-bottom: 1px solid #eee;
        font-size: 1.1rem;
        justify-content: center;
    }

    nav#nav-menu > div:last-of-type {
        border-bottom: none;
    }

    nav#nav-menu a {
        font-size: 1.1rem;
        width: 100%;
        display: block;
        padding: 0;
    }

    nav#nav-menu a::after {
        display: none;
    }

    /* Mobile Dropdown Specifics */
    .dropdown {
        width: 100%;
        position: relative;
    }

    .dropdown-toggle {
        display: flex;
        justify-content: center;
        align-items: center;
        width: 100%;
        padding: 0;
    }

    .dropdown-toggle::after {
        content: '▼';
        position: absolute;
        right: 20px;
        font-size: 0.8rem;
        transition: transform 0.3s ease;
    }

    .dropdown.active > .dropdown-toggle::after {
        transform: rotate(180deg);
    }

    .dropdown-content {
        position: static;
        background: rgba(248, 248, 248, 0.95);
        box-shadow: inset 0 2px 5px rgba(0, 0, 0, 0.05);
        border: none;
        padding: 0;
        width: 100%;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease-in-out;
        opacity: 1;
        visibility: visible;
        pointer-events: all;
        transform: none;
        margin-top: 0;
        flex-direction: column;
    }

    .dropdown.active > .dropdown-content {
        max-height: 500px;
        padding: 10px 0;
        display: flex;
    }

    .dropdown-content.three-columns {
        display: flex;
        flex-direction: column;
        grid-template-columns: none;
        width: 100%;
        gap: 0;
        padding: 0;
    }

    .dropdown-content.three-columns.show {
        padding: 10px 0;
    }

    .dropdown-content .column {
        padding: 10px 20px;
        border-right: none;
        border-bottom: 1px solid #ddd;
        width: 100%;
    }

    .dropdown-content .column:last-child {
        border-bottom: none;
    }

    .dropdown-content h5 {
        padding: 0;
        text-align: left;
        margin-bottom: 10px;
    }

    .dropdown-content a {
        padding: 8px 0px;
        text-align: left;
        width: 100%;
        font-size: 0.9rem;
    }

    .dropdown-content a:hover {
        background-color: rgba(0, 0, 0, 0.03);
    }
}