:root {
    --background: #28282b;
    --surface: #323236;
    --surface-hover: #3a3a3f;
    --text: #fdf0d5;
    --muted: #d6ccb8;
    --border: rgba(253, 240, 213, 0.12);
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.25);

    --radius: 20px;
    --container: 1200px;

    color-scheme: dark;
}

[data-theme="light"] {
    --background: #f8f9fb;
    --surface: #ffffff;
    --surface-hover: #f3f4f7;
    --text: #1e1f23;
    --muted: #555;
    --border: rgba(0, 0, 0, 0.08);

    color-scheme: light;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family:
        Inter,
        system-ui,
        -apple-system,
        BlinkMacSystemFont,
        "Segoe UI",
        sans-serif;

    background: var(--background);
    color: var(--text);

    transition:
        background 0.25s ease,
        color 0.25s ease;
}

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

.theme-toggle {
    position: fixed;
    top: 1.5rem;
    right: 1.5rem;

    width: 48px;
    height: 48px;

    border: 1px solid var(--border);
    border-radius: 50%;

    background: var(--surface);
    color: var(--text);

    cursor: pointer;
    z-index: 1000;

    transition: all 0.2s ease;
}

.theme-toggle:hover {
    transform: translateY(-2px);
    background: var(--surface-hover);
}

.hero {
    min-height: 70vh;

    display: flex;
    flex-direction: column;
    justify-content: center;

    padding: 5rem 0;
}

.eyebrow {
    letter-spacing: 0.25rem;
    font-size: 0.85rem;
    opacity: 0.7;
    margin: 0;
}

.hero-title {
    font-size: clamp(3rem, 8vw, 6rem);
    line-height: 0.95;
    margin: 1rem 0;
}

.hero-description {
    max-width: 800px;
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--muted);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 2rem;
}

.hero-title,
.motto-section blockquote {
    font-family: "Courier New", Courier, monospace;
    font-weight: 700;
    letter-spacing: 0.04em;
}


.github-section {
    margin-top: 3rem;
    margin-bottom: 3rem;
}

.github-section h2 {
    margin-bottom: 1rem;
}

.github-chart-container {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    overflow-x: auto;
    display: flex;
    justify-content: center;
    align-items: center;
}

.github-chart {
    width: 100%;
    max-width: 900px;
    height: auto;
    display: block;
    border-radius: 12px;
    filter:
        brightness(0.95)
        contrast(1.05);
    transition:
        transform 0.3s ease,
        filter 0.3s ease;
}

.github-chart:hover {
    transform: scale(1.01);
    filter:
        brightness(1)
        contrast(1.08);
}

.github-chart-container {
    backdrop-filter: blur(12px);
}

.github-chart {
    opacity: 0.95;
}



.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;

    text-decoration: none;

    color: var(--text);
    background: var(--surface);

    padding: 0.9rem 1.2rem;

    border-radius: 999px;
    border: 1px solid var(--border);

    transition: all 0.2s ease;
}

.social-link:hover {
    transform: translateY(-2px);
    background: var(--surface-hover);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.content-grid {
    display: grid;
    gap: 1.5rem;

    grid-template-columns:
        repeat(auto-fit, minmax(300px, 1fr));
}

.card {
    background: var(--surface);

    border: 1px solid var(--border);
    border-radius: var(--radius);

    padding: 1.75rem;

    box-shadow: var(--shadow);

    transition:
        transform 0.2s ease,
        background 0.2s ease;
}

.card:hover {
    transform: translateY(-4px);
    background: var(--surface-hover);
}

.card-wide {
    grid-column: span 2;
}

.card h2 {
    margin-top: 0;
    margin-bottom: 1rem;

    font-size: 1.25rem;
}

.card h3 {
    margin-bottom: 0.5rem;
}

.card p,
.card li {
    color: var(--muted);
    line-height: 1.8;
}

.card ul {
    padding-left: 1.25rem;
    margin-bottom: 0;
}

blockquote {
    margin: 0;
    padding-left: 1rem;

    border-left: 3px solid currentColor;

    font-size: 1.2rem;
    font-weight: 600;
}

@media (max-width: 900px) {

    .card-wide {
        grid-column: span 1;
    }

    .hero {
        min-height: auto;
        padding-top: 7rem;
    }
}

@media (max-width: 640px) {

    .container {
        padding: 1.25rem;
    }

    .theme-toggle {
        top: 1rem;
        right: 1rem;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .social-link {
        justify-content: center;
    }
}

::selection {
    color: #28282B;
    background: #FFC300;
}

.motto-section {
    max-width: 900px;
    margin: 0 auto 3rem;
    text-align: center;
}

.motto-section blockquote {
    border: none;
    padding: 0;
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    font-weight: 700;
    letter-spacing: 0.05em;
}

.about-section {
    max-width: 100%;
    margin-bottom: 3rem;

    background: var(--surface);

    border: 1px solid var(--border);
    border-radius: var(--radius);

    padding: 2rem;

    box-shadow: var(--shadow);
}

.about-section h2 {
    margin-top: 0;
    margin-bottom: 1rem;
}

.about-section p {
    color: var(--muted);
    line-height: 1.8;
    max-width: 1000px;
}

.site-footer {
    margin-top: 1rem;
    padding: 3rem 2rem;
    border-top: 1px solid var(--border);
}

.footer-links {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.footer-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;

    color: var(--text);
    text-decoration: none;

    transition: opacity 0.2s ease;
}

.footer-link:hover {
    opacity: 0.75;
}

.footer-link svg {
    width: 20px;
    height: 20px;
}