:root {
    color-scheme: light;
    --text: #171717;
    --muted: #767676;
    --accent: rgba(23, 23, 23, 0.35);
    --background: #ffffff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Inter", "Helvetica Neue", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.5;
    color: var(--text);
    background: var(--background);
    -webkit-font-smoothing: antialiased;
}

.wrapper {
    max-width: 720px;
    margin: 0 0 0 clamp(1.5rem, 8vw, 4rem);
    padding: clamp(2rem, 6vw, 3rem) clamp(1.5rem, 5vw, 2.5rem) 3rem;
    display: flex;
    gap: clamp(2rem, 6vw, 3rem);
    align-items: flex-start;
}

nav {
    flex: 0 0 160px;
    position: static;
}

.nav-links {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.nav-links a,
.nav-links span {
    font-weight: 500;
    letter-spacing: 0.02em;
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid transparent;
    padding-bottom: 0.08rem;
}

.nav-links a:hover,
.nav-links a:focus {
    border-color: var(--accent);
}

.nav-links .active {
    color: var(--muted);
}

main {
    flex: 1 1 auto;
    max-width: 520px;
}

p {
    margin: 0;
}

p + p {
    margin-top: 1.1rem;
}

a {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px solid var(--accent);
    padding-bottom: 0.08rem;
}

a:hover,
a:focus {
    border-color: var(--text);
}

@media (max-width: 900px) {
    .wrapper {
        flex-direction: column;
        gap: 1.75rem;
        padding: clamp(1.75rem, 7vw, 2.5rem) clamp(1.25rem, 6vw, 2rem) 2.5rem;
    }

    nav {
        width: 100%;
    }
}

@media (max-width: 600px) {
    body {
        font-size: 15px;
    }

    .wrapper {
        gap: clamp(0.35rem, 3vw, 0.75rem);
        padding: clamp(0.75rem, 4vw, 1.25rem) clamp(1.25rem, 6vw, 2rem) clamp(2.5rem, 9vw, 3.5rem);
    }

    nav {
        display: flex;
        justify-content: center;
        padding-top: 0.4rem;
    }

    main {
        max-width: none;
    }

    .nav-links {
        flex-direction: row;
        justify-content: center;
        gap: clamp(0.75rem, 5vw, 1.5rem);
    }

    .nav-links li {
        display: flex;
        align-items: center;
    }
}