:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #f9fafb;
    --card-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --card-radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: #f5f7fa;
    color: #1f2937;
    line-height: 1.6;
}

.page-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Header Styles */
.site-header {
    background: white;
    box-shadow: var(--card-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    padding: 12px 0;
}

.top-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.main-navigation .nav-list {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
    gap: 15px;
}

.nav-item.back-button button,
.nav-item.menu-button a {
    background: none;
    border: none;
    padding: 8px;
    border-radius: 50%;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .nav-item.back-button button:hover,
    .nav-item.menu-button a:hover {
        background-color: #f3f4f6;
    }

.nav-item.logo img {
    height: 40px;
    width: auto;
}

/* Main Content */
.main-content {
    padding: 20px 0 80px;
}

/* Card Styles */
.card {
    background: white;
    border-radius: var(--card-radius);
    box-shadow: var(--card-shadow);
    padding: 20px;
    margin-bottom: 20px;
    transition: var(--transition);
}

    .card:hover {
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
        transform: translateY(-2px);
    }

.card-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
    border-bottom: 1px solid #e5e7eb;
    padding-bottom: 10px;
}

/* Contact Section */
.contact-section {
    background: var(--primary-color);
    color: white;
    border-radius: var(--card-radius);
    padding: 20px;
    margin: 20px 0;
    text-align: center;
}

.contact-info p {
    margin: 10px 0;
}

.contact-button {
    background: white;
    color: var(--primary-color);
    border: none;
    padding: 10px 25px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    margin-top: 10px;
}

    .contact-button:hover {
        background: #e0e7ff;
    }

/* Footer */
.site-footer {
    background: white;
    padding: 30px 0;
    text-align: center;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.05);
}

.footer-logo img {
    height: 50px;
    margin-bottom: 15px;
}

.footer-content {
    font-size: 0.875rem;
    color: #6b7280;
    max-width: 800px;
    margin: 0 auto;
}

    .footer-content p {
        margin: 8px 0;
    }

/* Bottom Navigation */
.bottom-navigation {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: white;
    box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
}

    .bottom-navigation .nav-list {
        display: flex;
        justify-content: space-around;
        list-style: none;
        padding: 10px 0;
        margin: 0;
    }

    .bottom-navigation .nav-item {
        flex: 1;
        text-align: center;
    }

    .bottom-navigation .nav-link {
        display: flex;
        flex-direction: column;
        align-items: center;
        color: #6b7280;
        text-decoration: none;
        font-size: 0.75rem;
        transition: var(--transition);
    }

        .bottom-navigation .nav-link:hover,
        .bottom-navigation .nav-link.active {
            color: var(--primary-color);
        }

    .bottom-navigation .nav-icon {
        width: 24px;
        height: 24px;
        margin-bottom: 4px;
    }

/* Floating Contact */
.floating-contact {
    position: fixed;
    bottom: 80px;
    right: 20px;
    z-index: 999;
}

.contact-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.contact-item button {
    background: var(--primary-color);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

    .contact-item button:hover {
        background: var(--primary-hover);
        transform: translateY(-3px);
    }

.contact-item img {
    width: 60%;
    height: auto;
}

/* Side Menu */
.side-menu {
    background: white;
    width: 280px;
    height: 100vh;
    position: fixed;
    top: 0;
    right: -280px;
    z-index: 1001;
    box-shadow: -5px 0 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

    .side-menu.active {
        right: 0;
    }

.menu-list {
    list-style: none;
    padding: 20px 0;
    margin: 0;
}

.menu-item {
    border-bottom: 1px solid #f3f4f6;
}

    .menu-item a {
        display: block;
        padding: 15px 25px;
        color: #1f2937;
        text-decoration: none;
        transition: var(--transition);
    }

        .menu-item a:hover {
            background: #f9fafb;
            color: var(--primary-color);
        }

/* Responsive Adjustments */
@media (min-width: 768px) {
    .header-container {
        padding: 15px 0;
    }

    .nav-item.logo img {
        height: 50px;
    }

    .main-content {
        padding: 30px 0 100px;
    }

    .card {
        padding: 25px;
    }

    .bottom-navigation {
        display: none;
    }
}