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

:root {
    --spacing-100: 0.5rem;
    --spacing-200: 1rem;
    --spacing-300: 1.5rem;
    --spacing-400: 2rem;
    --spacing-500: 2.5rem;
    --spacing-700: 3.5rem;
    --spacing-800: 4rem;
    --spacing-900: 4.5rem;
    --spacing-1000: 5rem;
    --spacing-1400: 7rem;

    --color-white: #FAFAFA;
    --color-cyan-600: #4D96A9;
    --color-slate-300: #D1D1DF;
    --color-slate-600: #87879D;
    --color-purple-600: #855FB1;
    --color-purple-300: #D9B8FF;
    --color-slate-900: #28283D;
    --color-cyan-300: #8FE3F9;

    --font-main: "Red Hat Display", sans-serif;
}

html,
body {
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    background-color: var(--color-white);
}

nav {
    display: flex;
    padding: 3rem var(--spacing-1000) 0 var(--spacing-1000);
    flex-direction: column;
    justify-content: flex-end;
    align-items: center;
    align-self: stretch;
}

header {
    display: flex;
    padding: var(--spacing-800) var(--spacing-400) var(--spacing-400) var(--spacing-400);
    flex-direction: column;
    align-items: center;
    align-self: stretch;
    gap: 3rem;
}

main {
    display: flex;
    padding: var(--spacing-400) var(--spacing-400) var(--spacing-800) var(--spacing-400);
    flex-direction: column;
    align-items: center;
    align-self: stretch;
    gap: var(--spacing-800);
}

footer {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 1.75rem;
    align-self: stretch;
}

button {
    display: flex;
    padding: var(--spacing-200) var(--spacing-500);
    flex-direction: row;
    align-items: center;
    text-align: center;
    gap: var(--spacing-100);
    border-radius: 1.8125rem;
    border: none;
    cursor: pointer;
    color: var(--color-white);
    font-size: 1rem;
    font-style: normal;
    font-weight: 900;
    line-height: 150%;
}

.hero-text-container,
.hero-btns-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-300);
    align-self: stretch;
    text-align: center;
}

.indicator-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    z-index: 10;
}

.vertical-line {
    width: 0.0625rem;
    height: var(--spacing-1000);
    background: var(--color-slate-300);
}

.circle-number {
    display: flex;
    width: var(--spacing-700);
    height: var(--spacing-700);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border-radius: 62.4375rem;
    border: 1px solid var(--color-slate-300);
    background: var(--color-white);
    color: var(--color-slate-600);
    font-size: 1rem;
    font-style: normal;
    font-weight: 900;
    line-height: 150%;
}

.text-footer-container {
    display: flex;
    padding: var(--spacing-800) var(--spacing-400);
    gap: var(--spacing-300);
    flex-direction: column;
    align-items: center;
    background:
        linear-gradient(rgb(77, 150, 169, 0.9), rgb(77, 150, 169, 0.9)),
        url('./assets/image-footer-mobile.jpg');
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    margin-top: -3.5rem;
}

h1 {
    align-self: stretch;
    color: var(--color-slate-900);
    font-size: 2.5rem;
    font-style: normal;
    font-weight: 900;
    line-height: 110%;
}

p {
    align-self: stretch;
    color: var(--color-slate-600);
    text-align: center;
    font-size: 1rem;
    font-style: normal;
    font-weight: 500;
    line-height: 150%;
}

h2 {
    align-self: stretch;
    color: var(--color-slate-900);
    text-align: center;
    font-size: 2rem;
    font-style: normal;
    font-weight: 900;
    line-height: 110%;
}

.image-grid-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-200);
}

.hero-btns-container {
    gap: var(--spacing-200);
}

.logo {
    width: 7.375rem;
    height: 1.75rem;
}

.hero-img {
    height: 10rem;
}

.download-btn {
    background-color: var(--color-cyan-600);
}

.download-btn span {
    color: var(--color-cyan-300);
}

.purple-btn {
    background-color: var(--color-purple-600);
}

.image-grid-item {
    width: 100%;
    height: auto;
    border-radius: 1rem;
}

.text-content-excerpt {
    color: var(--color-cyan-600);
    text-align: center;
    font-size: 0.75rem;
    font-style: normal;
    font-weight: 900;
    line-height: 110%;
    letter-spacing: 0.25rem;
    text-transform: uppercase;
}

.text-content-container h2 {
    padding-top: var(--spacing-200);
    padding-bottom: var(--spacing-400);
}

.text-footer {
    color: var(--color-white);
}

.purple-btn span {
    color: var(--color-purple-300);
}

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

@media screen and (min-width: 768px) {
    header {
        padding: var(--spacing-800) var(--spacing-400);
        gap: var(--spacing-900);
    }

    main {
        padding-bottom: var(--spacing-700);
    }

    .hero-btns-container {
        flex-direction: row;
        justify-content: center;
        gap: 1.0625rem;
        width: 28.0185rem;
        align-self: auto;
    }

    .text-content-container {
        display: flex;
        flex-direction: column;
    }

    .text-footer-container {
        gap: var(--spacing-300);
        align-self: stretch;
    }

    h1 {
        font-size: 3rem;
    }

    h1,
    p {
        width: 28.0185rem;
        text-align: center;
        align-self: auto;
    }

    h2 {
        font-size: 2.25rem;
    }

    .image-grid-container {
        grid-template-columns: repeat(4, 1fr);
        gap: var(--spacing-300);
    }

    .hero-img {
        height: 18.9375rem;
    }

    .text-content-excerpt {
        font-size: 0.875rem;
    }

    .text-content-container h2 {
        width: 27.8125rem;
        align-self: center;
    }

    .text-footer-container h2, .text-footer-container p {
        width: 31.5rem;
        align-self: center;
    }
}

@media screen and (min-width: 1024px) {
    .hero-img {
        display: none;
    }

    header {
        flex-direction: row;
        padding-left: var(--spacing-1000);
        padding-right: var(--spacing-1000);
        gap: var(--spacing-400);
        position: relative;
    }

    main {
        padding: var(--spacing-700) var(--spacing-1000) var(--spacing-900) var(--spacing-1000);
    }

    .hero-text-container {
        justify-content: space-evenly;
        width: 100%;
        max-width: 40rem;
        margin: 0 auto;
        gap: var(--spacing-400);
    }

    h1 {
        font-size: 4rem;
    }

    p {
        font-size: 1.125rem;
    }

    h2 {
        font-size: 2.5rem;
        width: 27.8125rem;
    }

    .image-grid-container {
        gap: var(--spacing-400);
    }

    .hero-btns-container {
        gap: 1.0625rem;
    }

    .hero-img-desktop {
        display: block;
        position: absolute;
        top: 6rem;
        width: auto;
    }

    .faces-left {
        left: -3rem;
        padding: 0;
    }

    .faces-right {
        right: -3rem;
        padding: 0;
    }

    .text-content-excerpt {
        font-size: 1rem;
    }

    .text-footer-container {
        padding: var(--spacing-1400) var(--spacing-1000);
        flex-direction: row;
        gap: var(--spacing-400);
        align-items: flex-start;
        justify-content: space-around;
    }

    .text-footer {
        text-align: left;
    }

    .paragraph {
        width: 22.1875rem;
    }

    .download-btn:hover {
        background: #71C0D4;
    }

    .purple-btn:hover {
        background: #B18BDD;
    }

}