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

body {
    font-family: 'Inter', sans-serif;
    color: white;
    overflow-x: hidden;
}

.container {
    background: linear-gradient(135deg, #4a1a5c 0%, #2d0a3d 50%, #1a0828 100%);
    min-height: 100vh;
    position: relative;
}

.container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(147, 51, 234, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(168, 85, 247, 0.2) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(126, 34, 206, 0.15) 0%, transparent 50%);
    pointer-events: none;
}

.hero {
    padding: 60px 40px;
    position: relative;
    z-index: 1;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 60px;
}

.hero-left {
    flex: 1;
    max-width: 500px;
}

.main-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffffff, #e0e7ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    margin-bottom: 40px;
    line-height: 1.3;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    align-items: center;
}

.btn-primary {
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    color: #1a0828;
    border: none;
    padding: 16px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(251, 191, 36, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: none;
    font-size: 1.1rem;
    font-weight: 400;
    cursor: pointer;
    text-decoration: underline;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.btn-secondary:hover {
    opacity: 1;
}

.hero-right {
    flex: 1;
    position: relative;
}

.hero-image {
    position: relative;
    height: 400px;
    width: 100%;
}

.student-card {
    position: absolute;
    width: 80px;
    height: 100px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 3s ease-in-out infinite;
}

.card-1 {
    top: 20px;
    right: 100px;
    animation-delay: 0s;
}

.card-2 {
    top: 60px;
    right: 20px;
    animation-delay: 0.5s;
}

.card-3 {
    bottom: 120px;
    right: 80px;
    animation-delay: 1s;
}

.card-4 {
    bottom: 160px;
    right: 200px;
    animation-delay: 1.5s;
}

.student-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
}

.main-student {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 120px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.laptop-screen {
    width: 150px;
    height: 80px;
    background: linear-gradient(45deg, #4f46e5, #7c3aed);
    border-radius: 8px;
    position: relative;
}

.laptop-screen::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 180px;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0 0 8px 8px;
}

.hero-bottom {
    margin-top: 80px;
    text-align: right;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.slogan-main {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 20px;
    background: linear-gradient(45deg, #ffffff, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.slogan-sub {
    font-size: 1.2rem;
    font-weight: 500;
    background: linear-gradient(45deg, #fbbf24, #f59e0b);
    padding: 12px 24px;
    border-radius: 25px;
    display: inline-block;
    color: #1a0828;
}

.about {
    background: rgba(255, 255, 255, 0.05);
    padding: 80px 40px;
    position: relative;
    z-index: 1;
}

.about-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    margin: 0 auto;
    gap: 80px;
}

.about-left {
    flex: 1;
    max-width: 500px;
}

.about-title {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 30px;
    background: linear-gradient(45deg, #a855f7, #fbbf24);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.1;
}

.about-description {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 20px;
    opacity: 0.9;
}

.company-info {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.company-info p {
    margin-bottom: 8px;
    font-size: 0.9rem;
    line-height: 1.4;
    opacity: 0.8;
}

.company-info p strong {
    opacity: 1;
    font-weight: 600;
}

.about-right {
    flex: 1;
    position: relative;
}

.about-illustration {
    position: relative;
    height: 400px;
    width: 100%;
}

.laptop-illustration {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 250px;
    height: 150px;
}

.screen {
    width: 100%;
    height: 120px;
    background: linear-gradient(45deg, #4f46e5, #7c3aed);
    border-radius: 12px;
    position: relative;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.keyboard {
    width: 280px;
    height: 15px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 0 0 12px 12px;
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
}

.floating-icons {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.icon {
    position: absolute;
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: float 4s ease-in-out infinite;
}

.icon-chart {
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, #10b981, #059669);
    animation-delay: 0s;
}

.icon-video {
    top: 80px;
    right: 100px;
    background: linear-gradient(45deg, #ef4444, #dc2626);
    animation-delay: 1s;
}

.icon-upload {
    bottom: 100px;
    right: 30px;
    background: rgba(255, 255, 255, 0.9);
    animation-delay: 2s;
}

.icon-code {
    bottom: 20px;
    left: 20px;
    background: linear-gradient(45deg, #8b5cf6, #7c3aed);
    animation-delay: 1.5s;
}

.checkmarks {
    position: absolute;
    top: 0;
    left: 0;
}

.checkmark {
    position: absolute;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #10b981, #059669);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.checkmark:first-child {
    top: 150px;
    left: 80px;
    animation-delay: 0s;
}

.checkmark:last-child {
    top: 200px;
    left: 40px;
    animation-delay: 0.5s;
}

.footer {
    background: linear-gradient(135deg, #6b46c1, #4c1d95);
    padding: 30px 40px;
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.footer-content p {
    opacity: 0.7;
    font-size: 0.9rem;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

@media (max-width: 768px) {
    .hero-content, .about-content {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }
    
    .main-title {
        font-size: 2.5rem;
    }
    
    .subtitle {
        font-size: 1.2rem;
    }
    
    .slogan-main {
        font-size: 2rem;
    }
    
    .about-title {
        font-size: 2rem;
    }
    
    .hero-buttons {
        justify-content: center;
        flex-wrap: wrap;
    }
    
    .hero, .about {
        padding: 40px 20px;
    }
}