:root {
    --color-bg: #ffffff;
    --color-surface: #ffffff;
    --color-text: #111111;
    --color-muted: #5f6368;
    --color-soft: #f6f7f8;
    --color-border: #e6e8eb;
    --color-accent: #0b57d0;
    --shadow-card: 0 16px 40px rgba(17, 17, 17, 0.05);
    --max-width: 1120px;
    --narrow-width: 720px;
    --radius: 8px;
    --space-page: 24px;
    --space-section: 64px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
}

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

.page {
    min-height: 100vh;
}

.container {
    width: min(100% - (var(--space-page) * 2), var(--max-width));
    margin-inline: auto;
}

.narrow {
    max-width: var(--narrow-width);
}

.site-header {
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.92);
}

.header-inner {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 18px 0;
}

.brand,
.footer-brand {
    font-weight: 650;
    letter-spacing: 0;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 6px 18px;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.main-nav a {
    border-radius: 999px;
    padding: 6px 0;
    transition: color 160ms ease;
}

.main-nav a:hover,
.main-nav a:focus-visible,
.card-link:hover,
.card-link:focus-visible {
    color: var(--color-accent);
}

.hero {
    padding: 80px 0 64px;
}

.hero-inner {
    max-width: 860px;
}

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

h1 {
    max-width: 820px;
    margin-bottom: 24px;
    font-size: 3rem;
    line-height: 1;
    font-weight: 700;
    letter-spacing: 0;
}

h2 {
    margin-bottom: 18px;
    font-size: 2rem;
    line-height: 1.05;
    font-weight: 650;
    letter-spacing: 0;
}

h3 {
    margin-bottom: 12px;
    font-size: 1.25rem;
    line-height: 1.25;
    font-weight: 650;
    letter-spacing: 0;
}

.hero p,
.lead {
    color: var(--color-muted);
    font-size: 1.15rem;
    line-height: 1.55;
}

.hero p {
    max-width: 720px;
    margin-bottom: 0;
}

.section {
    padding: var(--space-section) 0;
}

.section p {
    color: var(--color-muted);
    margin-bottom: 0;
}

.section .lead {
    margin-bottom: 16px;
    color: var(--color-text);
}

.cards-section {
    padding-top: 40px;
}

.cards-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.card {
    display: flex;
    min-height: 210px;
    flex-direction: column;
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.card:hover {
    border-color: #d3d7dc;
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.card p {
    margin-bottom: 28px;
    color: var(--color-muted);
}

.card-link {
    margin-top: auto;
    color: var(--color-text);
    font-weight: 600;
    transition: color 160ms ease;
}

.closing {
    padding: 48px 0 72px;
}

.closing p {
    max-width: 760px;
    margin-bottom: 0;
    font-size: 1.65rem;
    line-height: 1.12;
    font-weight: 650;
    letter-spacing: 0;
}

.site-footer {
    border-top: 1px solid var(--color-border);
    color: var(--color-muted);
}

.footer-inner {
    display: grid;
    gap: 4px;
    padding: 32px 0;
    font-size: 0.95rem;
}

.footer-inner p {
    margin-bottom: 0;
}

.footer-brand {
    color: var(--color-text);
}

.language-page {
    background: var(--color-bg);
}

.language-hero {
    padding: 80px 0 48px;
}

.language-hero__inner {
    max-width: 900px;
}

.language-hero p {
    max-width: 760px;
    margin-bottom: 0;
    color: var(--color-muted);
    font-size: 1.15rem;
    line-height: 1.55;
}

.language-hero__secondary {
    margin-top: 18px;
}

.language-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 18px;
}

.language-card {
    display: flex;
    min-height: 260px;
    flex-direction: column;
    padding: 28px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-surface);
    transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.language-card:hover {
    border-color: #d3d7dc;
    box-shadow: var(--shadow-card);
    transform: translateY(-2px);
}

.language-card--featured {
    background: var(--color-soft);
}

.language-card__flag {
    margin-bottom: 28px;
    font-size: 3rem;
    line-height: 1;
}

.language-card__content {
    display: grid;
    gap: 12px;
}

.language-card__content h3,
.language-card__content p {
    margin-bottom: 0;
}

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

.language-card__status {
    width: fit-content;
    border: 1px solid var(--color-border);
    border-radius: 999px;
    padding: 4px 10px;
    color: var(--color-muted);
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.2;
}

.language-card__link {
    width: fit-content;
    margin-top: auto;
    padding-top: 28px;
    color: var(--color-text);
    font-weight: 650;
    transition: color 160ms ease;
}

.language-card__link:hover,
.language-card__link:focus-visible {
    color: var(--color-accent);
}

.language-card__link--disabled {
    color: var(--color-muted);
    cursor: default;
}

.language-card__link--disabled:hover,
.language-card__link--disabled:focus-visible {
    color: var(--color-muted);
}

@media (min-width: 821px) {
    :root {
        --space-section: 88px;
    }

    .header-inner {
        align-items: center;
        flex-direction: row;
        justify-content: space-between;
        gap: 24px;
        min-height: 72px;
        padding: 0;
    }

    .main-nav {
        justify-content: flex-end;
    }

    .hero {
        padding: 112px 0 96px;
    }

    h1 {
        font-size: 5.9rem;
        line-height: 0.98;
    }

    h2 {
        font-size: 3.5rem;
    }

    .hero p,
    .lead {
        font-size: 1.35rem;
    }

    .cards-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .card {
        min-height: 244px;
    }

    .closing {
        padding: 64px 0 96px;
    }

    .closing p {
        font-size: 3rem;
    }

    .language-hero {
        padding: 112px 0 56px;
    }

    .language-hero p {
        font-size: 1.35rem;
    }

    .language-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .language-card--featured {
        grid-column: span 2;
    }

    .language-card__flag {
        font-size: 3.8rem;
    }
}

@media (max-width: 520px) {
    :root {
        --space-page: 20px;
    }

    .main-nav {
        gap: 4px 14px;
        font-size: 0.92rem;
    }

    .card {
        padding: 24px;
    }
}