:root {
    /* Colors */
    --blue-900: #13183f;
    --blue-600: #666ca3;
    --pink-600: #f74780;
    --pink-300: #ffa7c3;
    --grey: #83869a;
    --white: #fff;

    /* Gradients */
    --gradient-pink: linear-gradient(#f02aa6, #ff6f48);
    --gradient-purple: linear-gradient(#4851ff, #f02aa6);
    --gradient-white: linear-gradient(#fff, #f0f1ff); 
}

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

body {
    font-family: "Plus Jakarta Sans", sans-serif;
    background-image: var(--gradient-white);
}

.overflow-wrapper {
    overflow: hidden;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
}

nav .header-btn {
    background-color: var(--blue-900);
    border-radius: 3rem;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
    padding: 1.2rem 2rem;
    position: relative;
    z-index: 999;
}

nav .header-btn:hover {
    background-color: var(--blue-600);
    cursor: pointer;
}

.hero .content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-content: center;
    align-items: center;
    padding: 2rem 2rem 0rem 2rem;
}

.content-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.content-info h1 {
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--blue-900);
}

.content-info p {
    font-size: 1.1rem;
    line-height: 1.5;
    color: var(--grey);
}

.content-info .hero-btn {
    background-image: var(--gradient-pink);
    width: 15rem;
    border-radius: 3rem;
    padding: 1.2rem 2rem;
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    font-size: 1.1rem;
    text-align: center;
}

.content-info .hero-btn:hover {
    opacity: 70%;
}

.hero-image {
    text-align: center;
}

.content .mobile-img {
    padding-top: 2rem;
    width: 120%;
}

.content .desktop-img {
    display: none;
}

.features {
    padding: 0rem 2rem 4rem 2rem;
}

.features-container {
    display: grid;
    row-gap: 5rem;
    column-gap: 2rem;
}

.features-header {
    background-image: var(--gradient-pink);
    border-radius: 1rem;
    padding: 2rem 3rem;
    color: var(--white);
    font-size: 1.5rem;
    line-height: 1.2;
}

.course-container {
    position: relative;
    background-color: var(--white);
    border-radius: 1rem;
    padding: 2rem 3rem;
}

.course-container .course-img {
    position: absolute;
    top: -2rem;
}

.course-container .course-info {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding-top: 1.5rem;
}

.course-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--blue-900);
}

.course-info p {
    font-size: 1.2rem;
    color: var(--grey);
    font-weight: 500;
    line-height: 1.5;
}

.course-info .course-btn {
    background-image: var(--gradient-pink);
    background-clip: text;
    color: transparent;
    font-weight: 700;
    text-decoration: none;
    font-size: 1.2rem;
}

.course-info .course-btn:hover {
    background-image: none;
    color: var(--pink-300);
}

footer {
    background-color: var(--blue-900);
}

footer .footer-btn {
    background-image: var(--gradient-purple);
    border-radius: 3rem;
    text-decoration: none;
    color: var(--white);
    font-weight: 700;
    font-size: 1.2rem;
    padding: 1.2rem 2rem;
}

footer .footer-btn:hover {
    background-image: linear-gradient(rgba(255,255,255,0.5), transparent), var(--gradient-purple);
}

/* Responsive */ 

@media only screen and (min-width: 768px) {
    nav {
        padding: 3rem;
    }

    .hero .content {
        flex-direction: row;
        padding: 2rem 3rem;
    }

    .hero .content .content-info {
        gap: 1.5rem;
    }

    .content .desktop-img {
        display: block;
        width: 80%;
        margin-right: -33%;
        margin-top: -20%;
    }

    .content .mobile-img {
        display: none;
    }

    .features {
        padding-top: 2.5rem;
    }

    .features-container {
        grid-template-columns: 1fr 1fr;
    }
}