:root {
    --background: #181b18;
    --surface: #242923;
    --surface-light: #30372f;
    --text: #f2f0e8;
    --muted: #bdc3b8;
    --accent: #a7b486;
    --border: #454c41;
    --maximum-width: 1100px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--text);
    background: var(--background);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.6;
}

a {
    color: inherit;
}

.container {
    width: min(100% - 2rem, var(--maximum-width));
    margin-inline: auto;
}

.site-header {
    position: sticky;
    top: 0;
    background: rgb(24 27 24 / 92%);
    border-bottom: 1px solid var(--border);
    backdrop-filter: blur(10px);
}

.navigation {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 72px;
    gap: 2rem;
}

.brand {
    font-weight: 700;
    text-decoration: none;
}

nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

nav a {
    color: var(--muted);
    text-decoration: none;
}

nav a:hover {
    color: var(--text);
}

.hero {
    display: grid;
    align-items: center;
    min-height: 68vh;
    padding-block: 6rem;
}

.hero h1 {
    max-width: 800px;
    margin: 0;
    font-size: clamp(2.5rem, 7vw, 5rem);
    line-height: 1.05;
}

.eyebrow {
    color: var(--accent);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.intro {
    max-width: 650px;
    margin-block: 1.5rem 2rem;
    color: var(--muted);
    font-size: 1.2rem;
}

.button {
    display: inline-block;
    padding: 0.8rem 1.15rem;
    color: #151713;
    background: var(--accent);
    border-radius: 0.4rem;
    font-weight: 700;
    text-decoration: none;
}

.section {
    padding-block: 5rem;
}

.alternate {
    background: var(--surface);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.card {
    padding: 1.5rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 0.6rem;
}

.card p {
    color: var(--muted);
}

.steps {
    max-width: 700px;
    padding-left: 1.5rem;
}

.steps li {
    margin-block: 0.75rem;
}

footer {
    padding-block: 2rem;
    color: var(--muted);
    border-top: 1px solid var(--border);
}

@media (max-width: 700px) {
    .navigation {
        align-items: flex-start;
        flex-direction: column;
        padding-block: 1rem;
    }

    .card-grid {
        grid-template-columns: 1fr;
    }
}