* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: #333;
}

/*Navigation*/
nav {
    background: #e74c3c;
    padding: 1rem 2rem;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: white;
    text-decoration: none;
}

.nav-logo {
    width: 40px;
    height: 40px;
    background: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 25px;
}

.nav-logo img {
    width: 30px;
    height: 30px;
}


.nav-brand-text {
    font-size: 1.3rem;
    font-weight: 500;
    letter-spacing: 1px;
}

.nav-menu {
    list-style: none;
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-menu li {
    position: relative;
}

.nav-menu a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
    display: flex;
    align-items: center;
    gap: 0.3rem;
}

.nav-menu a:hover {
    opacity: 0.8;
}

/* Dropdown Styles */
 .dropdown {
     position: relative;
 }

 .features-text {
    font-weight: 600;
}

 .dropdown-toggle {
     cursor: pointer;
     display: flex;
     align-items: center;
     gap: 0.3rem;
     padding: 0.5rem;
     user-select: none;
     color: white;
 }

 .dropdown-arrow {
     font-size: 0.7rem;
     transition: transform 0.3s;
 }

 .dropdown.active .dropdown-arrow {
     transform: rotate(180deg);
 }

 .dropdown-menu {
     position: absolute;
     top: 100%;
     left: 50%;
     transform: translateX(-50%);
     background: white;
     min-width: 250px;
     box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
     border-radius: 10px;
     opacity: 0;
     visibility: hidden;
     transition: opacity 0.3s, visibility 0.3s, transform 0.3s;
     margin-top: 0.5rem;
     padding: 0.5rem 0;
     transform: translateX(-50%) translateY(-10px);
     max-height: 0;
     overflow: hidden;
 }

 .dropdown.active .dropdown-menu {
     opacity: 1;
     visibility: visible;
     transform: translateX(-50%) translateY(0);
     max-height: 500px;
 }

 .dropdown-menu li {
     list-style: none;
 }

 .dropdown-menu a {
     display: block;
     padding: 0.8rem 1.5rem;
     color: #666;
     text-decoration: none;
     transition: background 0.3s, color 0.3s;
     border-radius: 5px;
     margin: 0 0.5rem;
 }

 .dropdown-menu a:hover {
     background: #f8f8f8;
     color: #e74c3c;
 }

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: white;
    cursor: pointer;
}

/*Hero Section */
.hero-section {
    background: #f8f8f8;
    padding: 120px 2rem 60px;
    text-align: center;
    margin-top: 60px;
}

.hero-section h1 {
    color: #e74c3c;
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero-section p {
    color: #999;
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
}

/*Main content*/
.content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 60px 2rem;
}

/*About Card*/
.about-card {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    margin-bottom: 4rem;
    display: flex;
    align-items: center;
    gap: 3rem;
}


.about-image {
    flex: 0 0 250px;
    font-size: 20px;
    text-align: center;
}

.about-image img {
    width: 260px;
    height: 155x;
}

.about-text {
    flex: 1;
    text-align: justify;
}

.about-text p {
    line-height: 1.8;
    color: #555;
}

/*Two column section */
.two-column {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.info-card {
    background: white;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.info-card h2 {
    color: #e74c3c;
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    text-align: center;
}

.info-card p {
    color: #555;
    line-height: 1.8;
    text-align: justify;
    margin-bottom: 1.5rem;
}

.info-card ul {
    list-style: none;
    padding-left: 0;
}

.info-card ul li {
    color: #555;
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
}

.info-card ul li::before {
    content: "•";
    color: #e74c3c;
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
}

/*Academic section */
.academic-section {
    background: white;
    border-radius: 20px;
    padding: 3rem;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.academic-section h2 {
    color: #e74c3c;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 2rem;
}

.academic-content {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.academic-icon {
    flex: 0 0 200px;
    font-size: 120px;
    text-align: center;
}

.academic-icon img {
    width: 155px;
    height: 155px;
}

.academic-text {
    flex: 1;
}

.academic-text p {
    color: #555;
    line-height: 1.8;
    text-align: justify;
}

/* Footer */
footer {
    background: #e74c3c;
    color: white;
    padding: 3rem 2rem 2rem;
    margin-top: 4rem;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

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

.footer-section a:hover {
    color: white;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-brand-icon {
    font-size: 2rem;
    background: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-brand-icon img {
    width: 30px;
    height: 30px;
}

.copyright {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 968px) {
    .about-card {
        flex-direction: column;
        text-align: center;
    }

    .about-image {
        flex: 0 0 auto;
    }

    .about-text {
        text-align: justify;
    }

    .two-column {
        grid-template-columns: 1fr;
    }

    .academic-content {
        flex-direction: column;
        text-align: center;
    }

    .academic-text {
        text-align: justify;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #e74c3c;
        padding: 1rem 0;
        box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
    }

    .nav-menu.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }
    .dropdown {
         width: 100%;
         display: flex;
         flex-direction: column;
         align-items: center;
     }

     .dropdown-toggle {
         justify-content: center;
     }

     /* MOBILE DROPDOWN */
     .dropdown-menu {
         position: static !important;
         transform: none !important;
         box-shadow: none !important;
         padding: 0 !important;
         margin: 0.5rem 0 !important;
         background: transparent !important;
         width: 100% !important;
         min-width: 100% !important;
         border-radius: 0 !important;
         display: none;
     }

     .dropdown.active .dropdown-menu {
         display: flex !important;
         flex-direction: column;
         align-items: center;
         opacity: 1 !important;
         visibility: visible !important;
         max-height: none !important;
     }

     .dropdown-menu li {
         width: 90%;
         max-width: 300px;
         margin: 0;
     }

     .dropdown-menu a {
         padding: 1rem 1.5rem !important;
         margin: 0.3rem 0 !important;
         background: rgba(255, 255, 255, 0.2) !important;
         display: block !important;
         border-radius: 10px !important;
         width: 100% !important;
         text-align: center !important;
         font-size: 0.95rem !important;
         color: white !important;
     }

     .dropdown-menu a:hover {
         background: rgba(255, 255, 255, 0.3) !important;
     }


    .hero-section h1 {
        font-size: 2rem;
    }

    .hero-section {
        padding: 100px 1rem 40px;
    }

    .content {
        padding: 40px 1rem;
    }

    .about-card {
        padding: 2rem;
    }

    .info-card {
        padding: 2rem;
    }

    .academic-section {
        padding: 2rem;
    }

    .about-image {
        font-size: 100px;
    }

    .academic-icon {
        font-size: 80px;
        flex: 0 0 auto;
    }
}

@media (max-width: 480px) {
    .hero-section h1 {
        font-size: 1.8rem;
    }

    .about-card {
        padding: 1.5rem;
    }

    .info-card {
        padding: 1.5rem;
    }

    .info-card h2 {
        font-size: 1.5rem;
    }

    .academic-section {
        padding: 1.5rem;
    }

    .academic-section h2 {
        font-size: 1.6rem;
    }
}