:root {
    --font-sans: 'Red Hat Text', sans-serif;
    --font-display: 'Red Hat Display', sans-serif;

    --color-text: #181f27;
    --color-text-muted: #6e7379;
    --color-text-subtle: #6b7280;
    --color-border: #e5e7eb;
    --color-card-border: #dddddd;
    --color-surface: #ffffff;
    --color-surface-alt: #f3f4f6;

    --container-inset: 1.5rem;
    --header-inset: 1.5rem;
}

@media (min-width: 961px) {
    :root {
        --container-inset: 155px;
        --header-inset: 2.5rem;
    }
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-block-size: 100vh;
    background: var(--color-surface);
    font-family: var(--font-sans);
    color: var(--color-text-muted);
    -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5,
h6,
p {
    margin: 0;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display);
    color: var(--color-text);
}

.page-bg {
    background-image: url('background.png');
    background-repeat: no-repeat;
    background-position: right top;
}

@media (max-width: 960px) {
    .page-bg {
        background-image: none;
    }
}

.header {
    padding: 1.5rem;
    padding-inline: var(--header-inset);
    border-block-end: 1px solid var(--color-border);

    .logo img {
        display: block;
        block-size: 24px;
        inline-size: auto;
    }
}

.container {
    padding-inline: var(--container-inset);
}

.hero {
    padding-block: 3rem 4rem;

    h1 {
        font-size: clamp(2.75rem, 0.5rem + 6vw, 5rem);
        font-weight: 800;
        line-height: 1;
        letter-spacing: 0.02em;
        margin-block-end: 2.5rem;
    }

    p {
        max-inline-size: 472px;
        font-size: 1.5rem;
        line-height: 1.5;
    }

    p strong {
        color: var(--color-text);
        font-weight: 600;
    }
}

.docs-section {
    padding-block: 2.5rem 6rem;

    h2 {
        font-size: 2.5rem;
        font-weight: 700;
        line-height: 1.2;
        letter-spacing: 0.02em;
        margin-block-end: 0.5rem;
    }

    .intro {
        max-inline-size: 899px;
        margin-block-end: 1.5rem;
        line-height: 1.5;
    }
}

.cards {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 1.5rem;
}

@media (max-width: 960px) {
    .cards {
        flex-direction: column;
        align-items: center;
    }
}

a {
    text-decoration: none;
}

.card {
    display: flex;
    flex: 1;
    flex-direction: column;
    block-size: 312px;
    padding: 3rem 1.5rem 1rem;
    border: 1px solid var(--color-card-border);
    border-radius: 16px;
    background: var(--color-surface);
    color: var(--color-text);
    height: 312px;
    width: 360px;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease;

    &:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 24px rgba(0, 0, 0, 0.08);
    }

    .card-logo {
        flex: 1;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: -3rem -1.5rem 1rem;
        border-radius: 16px;
        background: var(--color-surface-alt);

        img {
            max-inline-size: 140px;
            max-block-size: 140px;
            inline-size: auto;
            block-size: auto;
        }
    }

    .card-title {
        font-size: 1.5rem;
        font-weight: 600;
        line-height: 1.25;
        letter-spacing: 0.02em;
    }
}

@media (max-width: 375px) {
    .card {
        width: 326px;
    }
}