:root {
    color-scheme: light dark;
    --ink: #17313f;
    --ink-soft: #385261;
    --mint: #007d75;
    --mint-soft: #d5f5f0;
    --paper: #f7faf9;
    --surface: #ffffff;
    --line: #dce6e3;
    --shadow: 0 18px 55px rgba(23, 49, 63, 0.09);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans SC", sans-serif;
    font-synthesis: none;
    line-height: 1.65;
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 88px;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
}

a {
    color: var(--mint);
    text-underline-offset: 0.2em;
}

a:hover {
    text-decoration-thickness: 2px;
}

a:focus-visible {
    border-radius: 4px;
    outline: 3px solid rgba(0, 125, 117, 0.35);
    outline-offset: 4px;
}

.site-header {
    position: sticky;
    z-index: 10;
    top: 0;
    border-bottom: 1px solid rgba(220, 230, 227, 0.85);
    background: rgba(247, 250, 249, 0.92);
    backdrop-filter: blur(14px);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: min(100% - 40px, 920px);
    min-height: 68px;
    margin-inline: auto;
}

.brand {
    color: var(--ink);
    font-size: 1.05rem;
    font-weight: 760;
    letter-spacing: -0.02em;
    text-decoration: none;
}

.language-nav {
    display: flex;
    gap: 6px;
}

.language-nav a {
    border-radius: 999px;
    padding: 7px 12px;
    color: var(--ink-soft);
    font-size: 0.9rem;
    font-weight: 650;
    text-decoration: none;
}

.language-nav a:hover {
    background: var(--mint-soft);
    color: var(--ink);
}

main,
footer {
    width: min(100% - 40px, 920px);
    margin-inline: auto;
}

.intro {
    padding: clamp(58px, 10vw, 104px) 0 clamp(38px, 6vw, 64px);
}

.eyebrow,
.language-label {
    margin: 0 0 12px;
    color: var(--mint);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

h1,
h2,
h3,
p {
    overflow-wrap: break-word;
}

h1 {
    max-width: 720px;
    margin: 0;
    font-size: clamp(2.35rem, 7vw, 4.7rem);
    line-height: 1.03;
    letter-spacing: -0.055em;
}

.lede {
    max-width: 650px;
    margin: 24px 0 0;
    color: var(--ink-soft);
    font-size: clamp(1.05rem, 2.3vw, 1.28rem);
}

.updated {
    margin: 18px 0 0;
    color: var(--ink-soft);
    font-size: 0.9rem;
    font-weight: 650;
}

.policy {
    margin-bottom: 34px;
    border: 1px solid var(--line);
    border-radius: 28px;
    padding: clamp(24px, 5vw, 52px);
    background: var(--surface);
    box-shadow: var(--shadow);
}

.policy-heading {
    margin-bottom: 36px;
    border-bottom: 1px solid var(--line);
    padding-bottom: 28px;
}

h2 {
    margin: 0;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    line-height: 1.16;
    letter-spacing: -0.035em;
}

.policy section + section {
    margin-top: 32px;
}

h3 {
    margin: 0 0 8px;
    font-size: 1.08rem;
    line-height: 1.4;
    letter-spacing: -0.012em;
}

.policy section p {
    margin: 0;
    color: var(--ink-soft);
}

footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 28px 0 48px;
    color: var(--ink-soft);
    font-size: 0.9rem;
}

footer p {
    margin: 0;
}

@media (max-width: 560px) {
    .header-inner,
    main,
    footer {
        width: min(100% - 28px, 920px);
    }

    .header-inner {
        min-height: 62px;
    }

    .language-nav a {
        padding: 6px 9px;
    }

    .intro {
        padding-top: 46px;
    }

    .policy {
        border-radius: 22px;
    }

    footer {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }
}

@media (prefers-color-scheme: dark) {
    :root {
        --ink: #eff8f6;
        --ink-soft: #b7cbc7;
        --mint: #82ded5;
        --mint-soft: #173d3c;
        --paper: #0f1c23;
        --surface: #17272f;
        --line: #2b424c;
        --shadow: 0 18px 55px rgba(0, 0, 0, 0.2);
    }

    .site-header {
        border-bottom-color: rgba(43, 66, 76, 0.88);
        background: rgba(15, 28, 35, 0.9);
    }
}