:root {
    --bg-color: #0f1115;
    --text-color: #ffffff;
    --primary-color: #0e83cd;
    --secondary-color: #1a1c23;
    --accent-color: #1abc9c;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    scroll-behavior: smooth;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 50px;
    background-color: rgba(26, 28, 35, 0.95);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.logo {
    font-size: 24px;
    font-weight: 700;
}

.logo span {
    color: var(--primary-color);
}

.navbar ul {
    list-style: none;
    display: flex;
    gap: 20px;
}

.navbar a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
}

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

/* Hero Section */
.hero {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 100px 50px;
    min-height: 80vh;
}

.hero-content {
    max-width: 50%;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    color: #a0a0a0;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 8px;
    cursor: pointer;
    transition: transform 0.3s, box-shadow 0.3s, background-color 0.3s;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(14, 131, 205, 0.4);
    background-color: #0b69a3;
}

/* Hero Cube Animation */
.hero-image {
    width: 40%;
    display: flex;
    justify-content: center;
}

.cube {
    width: 200px;
    height: 200px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 20px;
    transform: rotate(45deg);
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 50px rgba(14, 131, 205, 0.5);
}

@keyframes float {
    0% { transform: rotate(45deg) translateY(0px); }
    50% { transform: rotate(45deg) translateY(-20px); }
    100% { transform: rotate(45deg) translateY(0px); }
}

/* About Us Section */
.about-section {
    padding: 80px 50px;
    background-color: var(--secondary-color);
    text-align: center;
}

.about-container {
    max-width: 800px;
    margin: 0 auto;
}

.about-section h2 {
    font-size: 2.5rem;
    margin-bottom: 30px;
    color: var(--text-color);
}

.about-section h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: 10px auto 0;
    border-radius: 2px;
}

.about-text p {
    font-size: 1.1rem;
    color: #b3b3b3;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--primary-color);
}

/* Features Section */
.features {
    display: flex;
    justify-content: space-around;
    padding: 80px 50px;
    background-color: var(--bg-color);
    gap: 30px;
}

.feature-card {
    background-color: var(--secondary-color);
    padding: 30px;
    border-radius: 10px;
    flex: 1;
    text-align: center;
    border-top: 4px solid var(--primary-color);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--accent-color);
}

.feature-card p {
    color: #a0a0a0;
}

/* Footer */
footer {
    text-align: center;
    padding: 30px;
    background-color: var(--secondary-color);
    color: #666;
    border-top: 1px solid #333;
}

/* Responsive */
@media (max-width: 768px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 50px 20px;
    }
    .hero-content, .hero-image {
        max-width: 100%;
        width: 100%;
    }
    .cube {
        margin-top: 50px;
    }
    .features {
        flex-direction: column;
        padding: 50px 20px;
    }
    .about-section {
        padding: 50px 20px;
    }
}