:root {
    color-scheme: dark;
    --bg: #17191d;
    --surface: #202329;
    --border: #353941;
    --text: #f2f3f5;
    --muted: #a8adb8;
    --accent: #d9c49a;
    --max-width: 1000px;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 90px;
}

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
        sans-serif;
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
}

a {
    color: inherit;
    text-decoration: none;
}

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

.topbar,
main,
.footer {
    width: min(var(--max-width), calc(100% - 40px));
    margin-inline: auto;
}

.topbar {
    min-height: 82px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    border-bottom: 1px solid var(--border);
}

.brand {
    font-size: 1.25rem;
    font-weight: 750;
    letter-spacing: -0.04em;
}

.brand span {
    color: var(--accent);
}

nav,
.contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
}

nav a,
.contact-links a {
    color: var(--muted);
    font-size: 0.92rem;
}

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

.hero {
    padding-block: 110px 100px;
    max-width: 780px;
}

.eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1 {
    max-width: 760px;
    margin-bottom: 20px;
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    line-height: 1.08;
    letter-spacing: -0.065em;
}

h2 {
    margin-bottom: 12px;
    font-size: clamp(1.7rem, 4vw, 2.3rem);
    line-height: 1.2;
    letter-spacing: -0.04em;
}

h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
}

.intro {
    max-width: 620px;
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 1.1rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    padding: 10px 17px;
    border: 1px solid var(--border);
    border-radius: 7px;
    font-size: 0.9rem;
    font-weight: 650;
    transition: border-color 0.15s ease;
}

.button:hover {
    border-color: var(--accent);
}

.button-primary {
    background: var(--text);
    color: var(--bg);
    border-color: var(--text);
}

.button-primary:hover {
    background: #dedfe3;
}

.button-secondary {
    background: transparent;
}

.section {
    padding-block: 35px 75px;
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 25px;
}

.section-heading .eyebrow {
    margin-bottom: 8px;
}

.project-count,
.license {
    color: var(--muted);
    font-size: 0.8rem;
}

.project-count {
    padding-bottom: 6px;
}

.project-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.project-card {
    display: flex;
    flex-direction: column;
    min-width: 0;
    padding: 25px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
}

.project-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 22px;
}

.project-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    background: #2b2f37;
    border-radius: 8px;
    color: var(--accent);
    font-family: monospace;
    font-weight: 700;
}

.featured {
    color: var(--accent);
    font-size: 0.75rem;
}

.project-description {
    flex: 1;
    margin-bottom: 18px;
    color: var(--muted);
    font-size: 0.94rem;
}

.license {
    margin-bottom: 20px;
}

.project-links {
    display: flex;
    flex-wrap: wrap;
    gap: 12px 18px;
    padding-top: 17px;
    border-top: 1px solid var(--border);
}

.project-links a {
    font-size: 0.83rem;
    font-weight: 600;
}

.empty-state {
    padding: 30px;
    border: 1px dashed var(--border);
    border-radius: 10px;
    color: var(--muted);
}

.support {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-block: 15px 65px;
    padding: 30px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--surface);
}

.support p:not(.eyebrow) {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.92rem;
}

.support h2 {
    font-size: 1.6rem;
}

.button-coffee {
    flex-shrink: 0;
    border-color: #685a40;
    color: var(--accent);
}

.contact {
    border-top: 1px solid var(--border);
    padding-top: 50px;
}

.contact > p:not(.eyebrow) {
    color: var(--muted);
}

.contact-links {
    margin-top: 24px;
}

.footer {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    padding-block: 25px;
    border-top: 1px solid var(--border);
    color: var(--muted);
    font-size: 0.8rem;
}

@media (max-width: 640px) {
    .topbar,
    main,
    .footer {
        width: calc(100% - 32px);
    }

    .topbar {
        min-height: 70px;
    }

    nav {
        gap: 14px;
    }

    nav a {
        font-size: 0.82rem;
    }

    .hero {
        padding-block: 75px 65px;
    }

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

    .project-card {
        padding: 20px;
    }

    .support {
        align-items: flex-start;
        flex-direction: column;
        padding: 24px;
    }

    .footer {
        flex-direction: column;
        gap: 5px;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}