/* ===== Global CSS Variables ===== */
:root {
    --primary-color: #0559CF;
    --primary-light: #A8CCFF;
    --primary-dark: #084aa7;
    --secondary-color: #0B81CA;
    --text-color: #333;
    --text-light: #666;
    --text-lighter: #999;
    --light-bg: #f0f8ff;
    --white: #fff;
    --border-color: #ddd;

    --shadow-light: 0 3px 10px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 5px 15px rgba(0, 0, 0, 0.15);
    --shadow-dark: 0 0 30px rgba(0, 0, 0, 0.2);
    
    --transition-fast: all 0.3s ease;
    --transition-medium: all 0.4s ease;
    --transition-slow: all 0.5s ease;

    --border-radius-sm: 5px;
    --border-radius-md: 10px;
    --border-radius-lg: 15px;
    --border-radius-xl: 20px;
    --border-radius-special: 35px 20px;
    --border-radius-circle: 50%;
}

/* ===== Main Footer Styles ===== */
footer {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    background-color: var(--light-bg);
    gap: 40px;
    padding: 40px 60px;
    border-bottom: 2px solid var(--border-color);
    flex-wrap: wrap;
}

footer img {
    width: 200px;
    cursor: pointer;
    transition: var(--transition-fast);
}

footer img:hover {
    transform: scale(1.05);
}

footer .item {
    transition: var(--transition-fast);
    flex: 1;
    min-width: 200px;
}

footer .item:first-child {
    flex: 2;
    min-width: 300px;
}

footer .item:hover {
    transform: translateY(-5px);
}

footer .item p {
    line-height: 1.6;
    color: var(--text-light);
    margin-bottom: 20px;
    font-size: 14px;
}

footer .item a {
    margin-bottom: 20px;
    color: var(--text-color);
    text-decoration: none;
}

footer .item h3 {
    color: var(--primary-color);
    position: relative;
    display: inline-block;
    margin-bottom: 20px;
    font-size: 18px;
    font-weight: 600;
}

footer .item h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 50%;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition-fast);
}

footer .item h3:hover::after {
    width: 100%;
}

/* Social Media Icons Styling */
.social-icons {
    display: flex;
    gap: 15px;
    list-style: none;
    padding: 0;
    flex-wrap: wrap;
}

.social-icons li {
    margin: 0;
}

.social-icons a {
    display: inline-block;
    margin-bottom: 0 !important;
}

footer .item .social-icons i,
.footer .info .social-icons i {
    font-size: 22px;
    cursor: pointer;
    transition: var(--transition-fast);
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    border-radius: var(--border-radius-circle);
    box-shadow: var(--shadow-light);
    color: var(--primary-color);
}

footer .item .social-icons i:hover,
.footer .info .social-icons i:hover {
    color: var(--white);
    background-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

/* Links List Styling */
footer .item ol {
    display: flex;
    flex-direction: column;
    list-style: none;
    padding: 0;
    margin: 0;
}

footer .item ol a {
    position: relative;
    padding-right: 15px;
    transition: var(--transition-fast);
    display: block;
    font-weight: 500;
    padding: 8px 0;
    color: var(--text-color);
}

footer .item ol a::before {
    content: '→';
    position: absolute;
    right: 0;
    opacity: 0;
    transition: var(--transition-fast);
}

footer .item ol a:hover {
    color: var(--primary-color);
    padding-right: 20px;
}

footer .item ol a:hover::before {
    opacity: 1;
}

/* Contact Section Styling */
footer .item:last-child a {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

footer .item:last-child a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

footer .item:last-child i {
    color: var(--primary-color);
    margin-right: 8px;
}

footer .info:last-child {
    display: flex;
    gap: 20px;
}

footer a:hover {
    color: var(--primary-color);
}

/* Copyright Section Styling */
.copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 60px;
    background-color: var(--light-bg);
    border-top: 1px solid var(--border-color);
}

.copyright .info {
    display: flex;
    gap: 20px;
}

.copyright .info a {
    color: var(--text-color);
    transition: var(--transition-fast);
}

.copyright .info a:hover {
    color: var(--primary-color);
}

/* ===== Mobile Footer Styles ===== */
.footer {
    background-color: var(--light-bg);
    padding: 25px 20px;
    flex-direction: column;
    gap: 15px;
    display: none;
}

.footer .item {
    background-color: var(--white);
    padding: 15px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-light);
    transition: var(--transition-fast);
}

.footer .item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-medium);
}

.footer h3 {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--primary-color);
    font-weight: 600;
    margin: 0;
}

.footer h3 i {
    font-size: 15px;
    transition: var(--transition-fast);
}

.footer h3.active i {
    transform: rotate(180deg);
}

.footer ol {
    padding-left: 15px;
    display: none;
    animation: fadeIn 0.5s ease forwards;
    list-style: none;
    margin-top: 10px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.footer ol.active {
    display: block;
}

.footer ol a {
    text-decoration: none;
    display: block;
    font-weight: 500;
    padding: 10px 0;
    transition: var(--transition-fast);
    position: relative;
    padding-right: 15px;
    color: var(--text-color);
}

.footer ol a::before {
    content: '→';
    position: absolute;
    right: 0;
    opacity: 0;
    transition: var(--transition-fast);
}

.footer ol a:hover {
    color: var(--primary-color);
    padding-right: 20px;
}

.footer ol a:hover::before {
    opacity: 1;
}

/* Mobile Footer Social Icons */
.footer .info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.footer .info i {
    margin: 5px;
    background-color: var(--primary-color);
    padding: 12px;
    border-radius: var(--border-radius-circle);
    cursor: pointer;
    color: var(--white);
    font-size: 20px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-light);
}

.footer .info i:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px) scale(1.1);
    box-shadow: var(--shadow-medium);
}

.footer h4 {
    text-align: center;
    margin-top: 20px;
    color: var(--text-light);
    font-weight: 500;
}

/* Mobile Footer Contact Section */
.footer .item:last-child a {
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transition-fast);
}

.footer .item:last-child a:hover {
    color: var(--primary-color);
    transform: translateX(5px);
}

.footer .item:last-child i {
    color: var(--primary-color);
}

/* Footer Fade-in Animation */
footer.fade-in,
.copyright.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: footerFadeIn 0.8s forwards;
}

@keyframes footerFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Responsive Footer ===== */
@media screen and (max-width: 1200px) {
    footer {
        padding: 30px 40px;
        gap: 30px;
    }
    
    footer img {
        width: 180px;
    }
    
    .copyright {
        padding: 15px 40px;
    }
    
    footer .item {
        min-width: 180px;
    }
    
    footer .item:first-child {
        min-width: 250px;
    }
}

@media screen and (max-width: 1045px) {
    footer {
        display: none;
    }
    
    .footer {
        display: flex;
    }
    
    .copyright {
        display: none;
    }
}

@media screen and (max-width: 768px) {
    .footer .item {
        padding: 15px;
    }
    
    .footer h3 {
        font-size: 18px;
    }
    
    .copyright {
        flex-direction: column;
        gap: 15px;
        padding: 15px 20px;
        text-align: center;
    }
    
    .copyright .info {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media screen and (max-width: 520px) {
    .footer .item {
        padding: 12px;
    }
    
    .footer h3 {
        font-size: 16px;
    }
    
    .footer .info i {
        font-size: 18px;
        padding: 10px;
    }
    
    /* Add margin to sections for better spacing on mobile */
    .about,
    .Subjects,
    .vido,
    .tracks,
    .learn {
        margin-bottom: 30px;
    }
}

@media screen and (max-width: 350px) {
    .footer {
        padding: 15px 10px;
    }
    
    .footer .item {
        padding: 10px;
    }
    
    .footer h3 {
        font-size: 14px;
    }
    
    .footer .info i {
        font-size: 16px;
        padding: 8px;
    }
}