:root {
    --max-width: 1300px;

    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    --border-radius-sm: 7px;
    --border-radius-md: 10px;
    --border-radius-lg: 20px;
}

* {
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

img {
    max-width: 100%;
    border: 0;
}

a:focus, a:active {
    outline: none;
}

a {
    font-weight: 400;
    text-decoration: none;
    color: var(--color-primary);
}

a:hover {
    text-decoration: underline;
}

h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

p {
    max-width: 700px;
    line-height: 1.6;
}

ul {
    list-style: none;
}

section {
    min-height: 100vh;
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title p {
    color: var(--color-dark-gray);
    margin: 0 auto;
}

section:nth-child(odd) {
    background-color: var(--color-white);
}

section:nth-child(even) {
    background-color: var(--color-light);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    overflow: hidden;
}