:root {
    --primary-color: #2c3e50;
    --secondary-color: #34495e;
    --accent-color: #3498db;
    --light-gray: #ecf0f1;
    --dark-gray: #2c3e50;
    --white: #ffffff;
    --text-dark: #2c3e50;
    --text-light: #7f8c8d;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 20px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    border-bottom: 1px solid #e9ecef;
    z-index: 1035;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.8rem;
    color: var(--primary-color) !important;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 15px;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--accent-color) !important;
}

.nav-link.active {
    color: var(--accent-color) !important;
}

.navbar-logo img{
    width: 85px;
    height: 55px;
}

.navbar .nav-link.login-button{
    border: 0;
    background: #2C3E50;
    color: #fff !important;
    width: 120px;
    height: 45px;
    border-radius: 12px;
    transition: all .3s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.navbar .nav-link.login-button:hover{
    background: #008BFF;
    color: #fff !important;
}

.navbar-nav{
    display: flex;
    justify-content: center;
    align-items: center;
}

.navbar-toggler {
    border-color: rgba(44, 62, 80, 0.25);
}

.navbar-toggler:focus {
    box-shadow: none;
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2844%2c 62%2c 80%2c 0.9%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

@media (max-width: 991.98px) {
    .navbar .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .navbar-collapse {
        flex-basis: 100%;
        flex-grow: 1;
        background: #ffffff;
        margin-top: 0.75rem;
        padding: 0.75rem 1rem 1rem;
        border-radius: 12px;
        box-shadow: 0 12px 40px rgba(0,0,0,0.12);
        border: 1px solid #dee2e6;
        max-height: min(70vh, calc(100dvh - 5rem));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }

    .navbar-nav {
        align-items: stretch;
        width: 100%;
        margin: 0 !important;
    }

    .navbar-nav .nav-item {
        width: 100%;
    }

    .nav-link {
        width: 100%;
        margin: 0;
        padding: 0.75rem 1rem;
        color: var(--text-dark) !important;
        border-radius: 8px;
    }

    .nav-link:hover,
    .nav-link:focus {
        background: rgba(52, 152, 219, 0.08);
        color: var(--accent-color) !important;
    }

    .login-button {
        width: 100%;
        max-width: none;
    }
}

.footer {
    background: var(--primary-color);
    color: var(--white);
    padding: 3rem 0 1rem;
    text-align: center;
    border-top: 1px solid #34495e;
}

.social-links a {
    color: var(--white);
    font-size: 1.5rem;
    margin: 0 15px;
    transition: all 0.3s ease;
}

.social-links a:hover {
    color: var(--accent-color);
    transform: translateY(-3px);
}

.footer-links a {
    color: #ecf0f1;
    margin: 0 10px;
    text-decoration: none;
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--accent-color);
}