body {
    font-family: 'Segoe UI', 'Arial', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f8f9fa;
}

.home-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 48px;
    padding: 48px 0 32px 0;
    background: #15305D; /* Solid blue background */
    border-bottom-left-radius: 32px;
    border-bottom-right-radius: 32px;
    box-shadow: 0 8px 32px rgba(21, 48, 93, 0.3);
}

.hero-content {
    max-width: 480px;
    color: #FFFFFF;
    text-align: left;
    z-index: 2;
}

.hero-content h1 {
    font-size: 2.8rem;
    font-weight: 800;
    margin-bottom: 18px;
    line-height: 1.1;
    text-shadow: 0 4px 24px rgba(21, 48, 93, 0.5);
}

.hero-ai {
    color: #FFD700; /* Gold color for emphasis */
    font-size: 3.2rem;
    letter-spacing: 2px;
    text-shadow: 0 2px 12px #FFFFFF88;
}

.hero-desc {
    font-size: 1.2rem;
    margin-bottom: 28px;
    color: #FFD700;
    text-shadow: 0 2px 8px rgba(21, 48, 93, 0.3);
}

.hero-btn {
    display: inline-block;
    background: #FFFFFF;
    color: #15305D;
    font-weight: 700;
    font-size: 1.2rem;
    padding: 14px 36px;
    border-radius: 30px;
    text-decoration: none;
    box-shadow: 0 2px 16px rgba(21, 48, 93, 0.3);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.hero-btn:hover {
    background: #FFD700;
    color: #15305D;
    box-shadow: 0 4px 24px rgba(21, 48, 93, 0.4);
}

.hero-3d {
    width: 220px;
    height: 220px;
    perspective: 900px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cube {
    width: 140px;
    height: 140px;
    position: relative;
    transform-style: preserve-3d;
    animation: rotateCube 5s infinite linear;
}
.cube .face {
    position: absolute;
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, #FFD700 60%, #15305D 100%);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    font-weight: bold;
    border-radius: 18px;
    box-shadow: 0 4px 24px rgba(21, 48, 93, 0.3);
    border: 2px solid #FFFFFF;
    opacity: 0.98;
}
.cube .front  { transform: rotateY(0deg) translateZ(70px);}
.cube .back   { transform: rotateY(180deg) translateZ(70px);}
.cube .right  { transform: rotateY(90deg) translateZ(70px);}
.cube .left   { transform: rotateY(-90deg) translateZ(70px);}
.cube .top    { transform: rotateX(90deg) translateZ(70px);}
.cube .bottom { transform: rotateX(-90deg) translateZ(70px);}

@keyframes rotateCube {
    0% { transform: rotateX(0deg) rotateY(0deg);}
    100% { transform: rotateX(360deg) rotateY(360deg);}
}

.features-section {
    padding: 56px 0 32px 0;
    background: #FFFFFF;
    text-align: center;
}
.features-section h2 {
    color: #15305D;
    font-size: 2.1rem;
    margin-bottom: 32px;
    font-weight: 800;
}
.features-list {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}
.feature-card {
    background: linear-gradient(120deg, #FFD700 60%, #FFFFFF 100%);
    border-radius: 18px;
    box-shadow: 0 2px 16px rgba(21, 48, 93, 0.2);
    padding: 32px 24px;
    max-width: 260px;
    min-width: 200px;
    flex: 1 1 200px;
    text-align: center;
    transition: transform 0.2s, box-shadow 0.2s;
}
.feature-card:hover {
    transform: translateY(-8px) scale(1.04) rotateZ(-2deg);
    box-shadow: 0 8px 32px rgba(21, 48, 93, 0.3);
}
.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}
.feature-card h3 {
    color: #15305D;
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 700;
}
.feature-card p {
    color: #15305D;
    font-size: 1rem;
}

.cta-section {
    background: #15305D; /* Solid blue background */
    color: #FFFFFF;
    text-align: center;
    padding: 48px 0 40px 0;
    border-radius: 0 0 32px 32px;
    margin-bottom: 0;
}
.cta-section h2 {
    font-size: 2rem;
    margin-bottom: 18px;
    font-weight: 700;
    text-shadow: 0 2px 12px rgba(21, 48, 93, 0.5);
}
.cta-btn {
    display: inline-block;
    background: #FFD700;
    color: #15305D;
    font-weight: 700;
    font-size: 1.2rem;
    padding: 14px 36px;
    border-radius: 30px;
    text-decoration: none;
    box-shadow: 0 2px 16px rgba(21, 48, 93, 0.3);
    transition: background 0.2s, color 0.2s, box-shadow 0.2s;
}
.cta-btn:hover {
    background: #FFFFFF;
    color: #15305D;
    box-shadow: 0 4px 24px rgba(21, 48, 93, 0.4);
}

.main-footer {
    background: #FFFFFF;
    color: #15305D;
    text-align: center;
    padding: 24px 0 12px 0;
    font-size: 1rem;
    border-top: 1px solid #FFD700;
    border-bottom-left-radius: 32px;
    border-bottom-right-radius: 32px;
    margin-top: 0;
}

/* Teachers, Lecturers & Students Section Styles */
.roles-section {
    padding: 56px 0 32px 0;
    background: #f8f9fa;
    text-align: center;
}
.roles-section h2 {
    color: #15305D;
    font-size: 2.1rem;
    margin-bottom: 18px;
    font-weight: 800;
}
.roles-section p {
    color: #15305D;
    font-size: 1.18rem;
    margin-bottom: 32px;
}
.roles-container {
    display: flex;
    flex-wrap: wrap;
    gap: 32px;
    justify-content: center;
}
.role-card {
    background: linear-gradient(120deg, #7c6cf7 60%, #FFFFFF 100%);
    border-radius: 18px;
    box-shadow: 0 2px 16px rgba(21, 48, 93, 0.12);
    padding: 32px 24px;
    max-width: 320px;
    min-width: 220px;
    flex: 1 1 220px;
    text-align: left;
    transition: transform 0.2s, box-shadow 0.2s;
    color: #fff;
}
.role-card:hover {
    transform: translateY(-8px) scale(1.04) rotateZ(-2deg);
    box-shadow: 0 8px 32px rgba(21, 48, 93, 0.18);
}
.role-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.role-card h3 {
    color: #fff;
    margin-bottom: 8px;
    font-size: 1.2rem;
    font-weight: 700;
}
.role-card ul {
    color: #fff;
    font-size: 1rem;
    padding-left: 18px;
    margin-bottom: 0;
}
.role-card ul li {
    margin-bottom: 8px;
    list-style: disc inside;
}

@media (max-width: 900px) {
    .roles-container {
        flex-direction: column;
        gap: 18px;
    }
    .role-card {
        max-width: 95vw;
        min-width: 0;
    }
}

@media (max-width: 900px) {
    .home-hero {
        flex-direction: column;
        gap: 24px;
        padding: 32px 0 24px 0;
    }
    .hero-3d {
        margin-top: 18px;
    }
    .features-list {
        gap: 18px;
    }
}
@media (max-width: 600px) {
    .home-hero {
        padding: 18px 0 10px 0;
        border-bottom-left-radius: 16px;
        border-bottom-right-radius: 16px;
    }
    .hero-content h1 {
        font-size: 1.5rem;
    }
    .hero-ai {
        font-size: 1.7rem;
    }
    .hero-3d {
        width: 120px;
        height: 120px;
    }
    .cube, .cube .face {
        width: 70px;
        height: 70px;
        font-size: 1.1rem;
        border-radius: 8px;
    }
    .features-section {
        padding: 24px 0 12px 0;
    }
    .features-list {
        flex-direction: column;
        gap: 12px;
    }
    .feature-card {
        padding: 18px 10px;
        min-width: 0;
        max-width: 100vw;
    }
    .cta-section {
        padding: 18px 0 14px 0;
        border-radius: 0 0 16px 16px;
    }
    .main-footer {
        border-bottom-left-radius: 16px;
        border-bottom-right-radius: 16px;
        padding: 12px 0 6px 0;
        font-size: 0.95rem;
    }
}