/* AheadMe Legal Documents - Simple Style */

:root {
    --color-text: #1d1d1f;
    --color-text-secondary: #515154;
    --color-text-tertiary: #86868b;
    --color-bg: #ffffff;
    --color-bg-subtle: #f5f5f7;
    --color-border: #d2d2d7;
    --color-accent: #5f5cff;
    --color-link-hover: #3d3ad9;
    --max-width: 720px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --color-text: #f5f5f7;
        --color-text-secondary: #a1a1a6;
        --color-text-tertiary: #6e6e73;
        --color-bg: #000000;
        --color-bg-subtle: #1c1c1e;
        --color-border: #38383a;
        --color-accent: #7a77ff;
        --color-link-hover: #9593ff;
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    padding: 2rem 1.25rem;
    min-height: 100vh;
}

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

/* Header */
header {
    padding-bottom: 1.5rem;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.site-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-text-secondary);
    text-decoration: none;
    letter-spacing: 0.04em;
}

.site-title:hover {
    color: var(--color-accent);
}

/* Language switcher */
.lang-switcher {
    float: right;
    font-size: 0.85rem;
}

.lang-switcher a {
    color: var(--color-text-tertiary);
    text-decoration: none;
    margin-left: 0.75rem;
}

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

.lang-switcher .active {
    color: var(--color-text);
    font-weight: 600;
}

/* Typography */
h1 {
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.3;
    margin: 1.5rem 0 0.5rem;
}

h2 {
    font-size: 1.4rem;
    font-weight: 600;
    margin: 2.5rem 0 0.75rem;
    padding-bottom: 0.4rem;
    border-bottom: 1px solid var(--color-border);
}

h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 1.5rem 0 0.5rem;
}

p {
    margin: 0.75rem 0;
    color: var(--color-text-secondary);
}

strong {
    color: var(--color-text);
    font-weight: 600;
}

ul, ol {
    margin: 0.75rem 0 0.75rem 1.5rem;
    color: var(--color-text-secondary);
}

li {
    margin: 0.35rem 0;
}

a {
    color: var(--color-accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.15s;
}

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

.last-updated {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--color-text-tertiary);
    margin-bottom: 2rem;
    padding: 0.35rem 0.75rem;
    background-color: var(--color-bg-subtle);
    border-radius: 6px;
}

/* Landing page */
.landing {
    text-align: center;
    padding: 3rem 0;
}

.landing h1 {
    font-size: 2.5rem;
}

.landing .tagline {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 3rem;
}

.link-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.link-card {
    display: block;
    padding: 1.5rem 1.25rem;
    background-color: var(--color-bg-subtle);
    border-radius: 12px;
    text-align: left;
    transition: transform 0.15s, background-color 0.15s;
    border-bottom: none;
}

.link-card:hover {
    transform: translateY(-2px);
    background-color: var(--color-border);
    border-bottom: none;
}

.link-card h3 {
    margin: 0 0 0.35rem;
    color: var(--color-text);
    font-size: 1rem;
}

.link-card p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

/* Footer */
footer {
    margin-top: 4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    text-align: center;
    font-size: 0.85rem;
    color: var(--color-text-tertiary);
}

footer a {
    color: var(--color-text-tertiary);
}

/* Responsive */
@media (max-width: 600px) {
    body {
        padding: 1.5rem 1rem;
    }

    h1 {
        font-size: 1.6rem;
    }

    h2 {
        font-size: 1.2rem;
    }

    .landing h1 {
        font-size: 2rem;
    }

    .lang-switcher {
        float: none;
        margin-top: 0.5rem;
    }
}