body {
    background: linear-gradient(135deg, #f9f7ff 0%, #f0edf7 100%);
    color: #333;
    overflow-x: hidden;
    background-attachment: fixed;
    line-height: 1.7;
    padding-top: 80px;
    font-family: Shabnam, Tahoma, sans-serif;
    scroll-behavior: smooth;
}

.section {
    padding: 100px 0;
}

.section-title {
    position: relative;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 70px;
    text-align: center;
    color: var(--primary-dark);
}

    .section-title::after {
        content: '';
        position: absolute;
        bottom: -15px;
        right: 50%;
        transform: translateX(50%);
        width: 100px;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--accent-alt));
        border-radius: 10px;
    }

.systems-section {
    background: linear-gradient(to bottom, #ffffff, #f8f9fa);
    padding: 80px 0;
}

.system-card-container {
    position: relative;
    height: 100%;
    margin-bottom: 15px;
}

.system-card {
    background: linear-gradient(145deg, rgba(255,255,255,0.95), rgba(245,243,252,0.95));
    border-radius: 25px;
    padding: 30px 25px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    position: relative;
    overflow: hidden;
    border-top: 5px solid var(--primary);
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
}

    .system-card::before {
        content: '';
        position: absolute;
        top: 0;
        right: 0;
        width: 100%;
        height: 100%;
        background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
        opacity: 0;
        transition: var(--transition);
        z-index: -1;
    }

    .system-card:hover {
        transform: translateY(-15px);
        box-shadow: 0 20px 60px rgba(106, 74, 156, 0.35);
        color: white;
    }

        .system-card:hover::before {
            opacity: 0.95;
        }

        .system-card:hover .system-icon,
        .system-card:hover .system-title,
        .system-card:hover .system-desc {
            color: white;
        }

.system-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #7852A9, var(--primary-dark));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    font-size: 2.2rem;
    color: white;
    transition: var(--transition);
}

.system-card:hover .system-icon {
    background: linear-gradient(135deg, var(--accent-alt), #ff7b3d);
    transform: scale(1.1);
}

.system-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary-dark);
    transition: var(--transition);
    min-height: 65px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-desc {
    color: #666;
    font-size: 0.95rem;
    transition: var(--transition);
    margin-top: auto;
}

.system-category {
    display: inline-block;
    background: rgba(255, 215, 0, 0.2);
    color: var(--primary-dark);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    margin-top: 15px;
    transition: var(--transition);
}

.system-card:hover .system-category {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.search-container {
    max-width: 600px;
    margin: 0 auto 50px;
}

.search-box {
    position: relative;
}

    .search-box input {
        padding: 15px 50px 15px 20px;
        border-radius: 50px;
        border: 2px solid var(--primary-light);
        width: 100%;
        font-size: 1.1rem;
        box-shadow: 0 5px 20px rgba(106, 74, 156, 0.1);
        transition: var(--transition);
    }

        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 5px 25px rgba(106, 74, 156, 0.2);
        }

    .search-box button {
        position: absolute;
        left: 15px;
        top: 50%;
        transform: translateY(-50%);
        background: var(--primary);
        color: white;
        border: none;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: var(--transition);
    }

        .search-box button:hover {
            background: var(--primary-dark);
            transform: translateY(-50%) scale(1.1);
        }

.filter-container {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 40px;
}

.filter-btn {
    background: white;
    color: var(--primary-dark);
    border: 2px solid var(--primary-light);
    border-radius: 30px;
    padding: 8px 25px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
}

    .filter-btn:hover, .filter-btn.active {
        background: var(--primary);
        color: white;
        transform: translateY(-5px);
    }

.view-details {
    display: block;
    margin-top: 15px;
    color: var(--primary);
    font-weight: 600;
    text-align: center;
    text-decoration: none;
    transition: var(--transition);
}

.system-card-container:hover .view-details {
    color: var(--accent);
    transform: translateX(-5px);
}

.view-details i {
    margin-left: 5px;
}

.highlight {
    background-color: var(--accent);
    color: var(--primary-dark);
    padding: 0 3px;
    border-radius: 3px;
}

.results-info {
    text-align: center;
    margin: 20px 0;
    color: var(--primary);
    font-weight: 600;
}

@media (max-width: 992px) {
    .section-title {
        font-size: 2.2rem;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 70px 0;
    }

    .section-title {
        font-size: 2rem;
    }

    .system-title {
        font-size: 1.3rem;
    }
}

@media (max-width: 576px) {
    .section-title {
        font-size: 1.8rem;
    }

    .system-card {
        padding: 25px 20px;
    }

    .system-icon {
        width: 70px;
        height: 70px;
        font-size: 1.8rem;
    }
}


/* Footer styles */
.footer {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    color: white;
    padding: 60px 0 20px;
    position: relative;
}

.footer-links {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 20px;
    margin-bottom: 40px;
}

    .footer-links a {
        color: rgba(255, 255, 255, 0.8);
        text-decoration: none;
        transition: all 0.3s;
    }

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

.footer h4 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
}

    .footer h4 i {
        margin-left: 10px;
    }

.copyright {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
    margin-top: 30px;
}