/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(255, 255, 255, 0.95);
    padding: 16px var(--spacing-desktop);
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    border-bottom: 1px solid #f0f0f0;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    text-transform: uppercase;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    font-size: 1rem;
    font-weight: 500;
    transition: opacity 0.1s ease-out;
}

nav a:active {
    opacity: 0.7;
}

.mobile-menu-wrapper {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    position: relative;
}

/* Burger Menu */
.burger {
    position: relative;
    width: 20px;
    height: 14px;
    background: transparent;
    cursor: pointer;
    display: block;
    margin-right: 16px;
    transition: transform 0.1s ease-out;
}

.burger:active {
    transform: scale(0.9);
}

.burger input {
    display: none;
}

.burger span {
    display: block;
    position: absolute;
    height: 2px;
    width: 100%;
    background: black;
    border-radius: 4px;
    opacity: 1;
    left: 0;
    transform: rotate(0deg);
    transition: .25s ease-in-out;
}

.burger span:nth-of-type(1) {
    top: 0px;
    transform-origin: left center;
}

.burger span:nth-of-type(2) {
    top: 50%;
    transform: translateY(-50%);
    transform-origin: left center;
}

.burger span:nth-of-type(3) {
    top: 100%;
    transform-origin: left center;
    transform: translateY(-100%);
}

.burger input:checked ~ span:nth-of-type(1) {
    transform: rotate(45deg);
    top: 0px;
    left: 2px;
}

.burger input:checked ~ span:nth-of-type(2) {
    width: 0%;
    opacity: 0;
}

.burger input:checked ~ span:nth-of-type(3) {
    transform: rotate(-45deg);
    top: 13px;
    left: 2px;
}

.mobile-menu-dropdown {
    display: block;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 10px;
    background-color: rgba(255, 255, 255, 0.98);
    width: 200px;
    z-index: 2002;
    
    /* Visuals */
    box-shadow: 0 4px 16px rgba(0,0,0,0.12);
    border-radius: 8px;
    border: 1px solid rgba(0,0,0,0.05);
    padding: 0;
    backdrop-filter: blur(10px);
    
    /* Animation */
    max-height: 0;
    opacity: 0;
    visibility: hidden;
    overflow: hidden;
    transition: all 0.25s ease-in-out;
}

.mobile-menu-dropdown.active {
    max-height: 200px;
    opacity: 1;
    visibility: visible;
}

.mobile-menu-dropdown a {
    display: block;
    padding: 16px;
    color: var(--primary-color);
    border-bottom: 1px solid #f5f5f5;
    transition: background-color 0.2s, color 0.2s;
}

.mobile-menu-dropdown a:last-child {
    border-bottom: none;
}

.mobile-menu-dropdown a:hover {
    background-color: #fff0f5;
    color: var(--accent-color);
}

.mobile-menu-dropdown a:active {
    background-color: #fff0f5;
    color: var(--accent-color);
    opacity: 0.7;
    transition: opacity 0.1s ease-out;
}