:root {
    --bg: #faf7f2;
    --surface: #ffffff;
    --surface-muted: #f2ece1;
    --text: #1f2421;
    --text-muted: #525954;
    --accent: #2c5f4b;
    --accent-dark: #1f4536;
    --accent-soft: #e4efe9;
    --border: #dfd7c8;
    --radius: 12px;
    --max-width: 1040px;
}

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.65;
    color: var(--text);
    background-color: var(--bg);
}

a {
    color: var(--accent-dark);
    text-decoration-thickness: 1.5px;
    text-underline-offset: 3px;
}

a:hover {
    color: var(--accent);
}

a:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 2px;
    border-radius: 4px;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.25rem;
}

.site-header {
    background-color: var(--surface);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 0;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
    letter-spacing: -0.02em;
}

.brand-mark {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    background-color: var(--accent);
    color: #ffffff;
    font-size: 1rem;
    font-weight: 700;
}

.nav-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    text-decoration: none;
    font-weight: 500;
    color: var(--text-muted);
    padding: 0.25rem 0;
    border-bottom: 2px solid transparent;
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--accent-dark);
    border-bottom-color: var(--accent);
}

main {
    flex: 1;
}

.hero {
    padding: 4rem 0 3rem;
}

.hero-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.75rem 2.25rem;
}

.eyebrow {
    display: inline-block;
    padding: 0.25rem 0.7rem;
    border-radius: 999px;
    background-color: var(--accent-soft);
    color: var(--accent-dark);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    margin-bottom: 1rem;
}

h1, h2, h3 {
    line-height: 1.25;
    letter-spacing: -0.02em;
    margin-top: 0;
}

.hero h1 {
    font-size: clamp(2rem, 4vw, 2.85rem);
    margin-bottom: 1rem;
    max-width: 18ch;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 60ch;
    margin-bottom: 1.75rem;
}

.cta-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    align-items: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 1.35rem;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    transition: background-color 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--accent-dark);
    color: #ffffff;
}

.btn-secondary {
    background-color: var(--surface-muted);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background-color: var(--border);
    color: var(--text);
}

.section {
    padding: 2rem 0 3.5rem;
}

.section-title {
    font-size: 1.65rem;
    margin-bottom: 0.5rem;
}

.section-subtitle {
    color: var(--text-muted);
    margin-top: 0;
    margin-bottom: 1.75rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

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

.feature-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: var(--accent-dark);
}

.feature-card p {
    margin: 0;
    color: var(--text-muted);
    font-size: 0.96rem;
}

.prose-page {
    padding: 2.75rem 0 4rem;
}

.prose-card {
    background-color: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.25rem;
    max-width: 78ch;
}

.prose-card h1 {
    font-size: 2rem;
    margin-bottom: 0.35rem;
}

.prose-meta {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin-bottom: 2rem;
}

.prose-card h2 {
    font-size: 1.25rem;
    margin-top: 1.85rem;
    margin-bottom: 0.6rem;
}

.prose-card p,
.prose-card li {
    color: var(--text-muted);
}

.prose-card ul {
    padding-left: 1.25rem;
}

.site-footer {
    background-color: var(--surface);
    border-top: 1px solid var(--border);
    padding: 1.75rem 0;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

@media (max-width: 640px) {
    .hero {
        padding: 2.25rem 0 1.75rem;
    }

    .hero-card,
    .prose-card {
        padding: 1.5rem;
    }
}