/* Header Styles */
.header {
    top: 0;
    left: 0;
    right: 0;
    height: var(--header-height);
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: box-shadow var(--transition-normal);
}

.header.scrolled {
    box-shadow: var(--shadow-card);
}

.header-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.header-left {
    display: flex;
    align-items: center;
    gap: var(--space-2xl);
}

.logo {
    display: flex;
    align-items: center;
}

.logo-text {
    font-size: 32px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent-pink) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -1px;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}
.main-nav .active a {
    color: var(--primary);
    font-weight: 600;
}

.nav-link {
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: var(--space-sm) 0;
    position: relative;
    transition: color var(--transition-normal);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent-pink) 100%);
    transition: width var(--transition-normal);
}

.nav-link:hover::after {
    width: 100%;
}

.header-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Sub Navigation */
.sub-nav {
    position: fixed;
    top: var(--header-height);
    left: 0;
    right: 0;
    height: var(--sub-nav-height);
    background-color: var(--bg-white);
    border-bottom: 1px solid var(--border-light);
    z-index: 999;
}

.sub-nav-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.menu-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 18px;
    transition: all var(--transition-normal);
}

.menu-btn:hover {
    background-color: var(--bg-light);
    color: var(--primary);
}

.sub-nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.sub-nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    transition: all var(--transition-normal);
}

.sub-nav-link:hover {
    background-color: var(--bg-light);
    color: var(--text-primary);
}

.sub-nav-link.active {
    background: linear-gradient(135deg, var(--primary-50) 0%, #FCE7F3 100%);
    color: var(--primary);
}