.main-header {
    width: 100%;
    background: #ffffff;
    padding: 12px 0;
    border-bottom: 1px solid #f0f0f0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
}

.logo img {
    height: 32px; 
    display: block;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-item a {
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 600;
    color: #1a2e5a; 
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: color 0.2s;
}

.nav-item a:hover {
    color: #ff6933;
}

.nav-item i {
    font-size: 18px;
    color: #1a2e5a;
}

.login-btn {
    background-color: #1C1BAE; 
    color: #ffffff;
    padding: 10px 28px;
    font-family: 'Manrope', sans-serif;
    font-size: 15px;
    font-weight: 500;
    border-radius: 8px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    text-align: center;
    transition: background 0.3s;
    border: none;
}

.login-btn:hover {
    background-color: #171792;
    color: #ffffff; 
}

.mobile-only.login-btn {
    display: block; 
    width: 100%;
}

.nav-wrapper { display: flex; align-items: center; gap: 30px; }
.hamburger { display: none; font-size: 28px; cursor: pointer; }
.overlay { 
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; 
    background: rgba(0,0,0,0.5); display: none; z-index: 1001; 
}

.mobile-sidebar {
    position: fixed;
    top: 0;
    right: -100%; 
    width: 280px;
    height: 100vh;
    background: #ffffff;
    z-index: 1002;
    transition: 0.4s ease-in-out;
    display: flex;
    flex-direction: column;
    padding: 20px;
}

.mobile-sidebar.active { right: 0; } 

.sidebar-header { display: flex; justify-content: flex-end; margin-bottom: 30px; }
.close-btn { font-size: 30px; cursor: pointer; color: #1a2e5a; }

.mobile-nav-links { list-style: none; padding: 0; }
.mobile-nav-links li { margin-bottom: 25px; }
.mobile-nav-links li a { 
    font-family: 'Manrope', sans-serif;
    font-size: 18px;
    font-weight: 600;
    color: #1a2e5a;
    text-decoration: none;
}

.sidebar-footer { margin-top: auto; padding-bottom: 20px; }
.mobile-only { width: 100%; }

/* --- Media Queries --- */
@media (max-width: 768px) {
    .nav-wrapper { display: none; } 
    .hamburger { display: block; } 
    
    .header-container { padding: 0 20px; }
}