/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    transition: background-color var(--transition-speed) ease, 
                padding var(--transition-speed) ease,
                box-shadow var(--transition-speed) ease;
    padding: var(--spacing-md) 0;
}

.header-container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.main-header.scrolled {
    background-color: rgba(25, 25, 25, 0.95);
    padding: var(--spacing-sm) 0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

/* Logo */
.logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo h1 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0;
    letter-spacing: 1px;
    text-shadow: 0 2px 5px rgba(0, 0, 0, 0.5);
}

/* Navigation */
.main-nav {
    position: relative;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-list a {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--color-gold), transparent);
    transition: width var(--transition-speed) ease;
}

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

.nav-list a.active {
    color: var(--color-gold);
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 24px;
    position: relative;
    z-index: 101;
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-silver);
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
    background-color: var(--color-gold);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
    background-color: var(--color-gold);
}

/* Mobile Navigation */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: block;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        height: 100vh;
        width: 80%;
        max-width: 300px;
        flex-direction: column;
        background-color: rgba(25, 25, 25, 0.98);
        padding: 80px var(--spacing-md) var(--spacing-md);
        z-index: 100;
        transition: right var(--transition-speed) ease;
        gap: var(--spacing-md);
        backdrop-filter: blur(10px);
        box-shadow: -5px 0 15px rgba(0, 0, 0, 0.3);
    }

    .nav-list.active {
        right: 0;
    }
}