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

body {
    background: #f4f6f8;
    color: #333;
}

/* HEADER */
.hero {
    background: linear-gradient(135deg, #1e293b, #0f172a);
    color: white;
    padding-bottom: 60px;
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 8%;
}

.btn-login {
    background: #ef4444;
    padding: 10px 16px;
    color: white;
    text-decoration: none;
    border-radius: 6px;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 60px 8%;
    gap: 40px;
    flex-wrap: wrap;
}

.hero-text {
    max-width: 500px;
}

.hero-text h2 {
    font-size: 2.3rem;
    margin-bottom: 15px;
}

.hero-image img {
    width: 100%;
    max-width: 480px;
    border-radius: 16px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
}

.price-box {
    margin: 20px 0;
}

.price {
    font-size: 2.5rem;
    font-weight: bold;
}

.btn-primary {
    display: inline-block;
    background: #2563eb;
    color: white;
    padding: 14px 28px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
}

/* COURSES */
.courses {
    padding: 70px 8%;
    text-align: center;
}

.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 25px;
    margin-top: 40px;
}

.course-card {
    background: white;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    transition: transform 0.3s;
}

.course-card:hover {
    transform: translateY(-5px);
}

.course-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.course-card h3 {
    margin: 15px 0 5px;
}

.course-card p {
    padding: 0 15px 20px;
}

/* BENEFITS */
.benefits {
    background: white;
    padding: 60px 8%;
    text-align: center;
}

.benefit-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 30px;
}

.benefit-grid div {