:root {
    font-family: 'Inter', system-ui, sans-serif;

    /* Colors */
    --color-bg:              #0f0508;
    --color-card:            #1a0a10;
    --color-header:          #710b2c;
    --color-text:            #fff;
    --color-text-muted:      #8a6e78;
    --color-text-faint:      #5a4050;
    --color-link:            #ffcb00;
    --color-border:          #2e1520;
    --color-item-bg:         #231018;
    --color-item-bg-hover:   #2e1822;

    /* Shape */
    --radius-card: 14px;
    --radius-item: 10px;

    /* Transitions */
    --transition-bg:    background-color 0.12s;
    --transition-color: color 0.12s;
}

/* ─── Reset ─────────────────────────────────────────────── */

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

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

/* ─── Layout ─────────────────────────────────────────────── */

body {
    margin: 0;
    background-color: var(--color-bg);
    color: var(--color-text);
    -webkit-font-smoothing: antialiased;
    min-height: 100svh;
}

.container {
    background-color: var(--color-card);
    overflow: hidden;
}

/* Breakpoint: 820px — card layout kicks in */
@media (min-width: 820px) {
    body {
        padding: 1.25rem 1rem;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
    }

    .container {
        max-width: 520px;
        width: 100%;
        border-radius: var(--radius-card);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3), 0 8px 32px rgba(0, 0, 0, 0.4);
    }
}

/* ─── Header ─────────────────────────────────────────────── */

header {
    background-color: var(--color-header);
    padding: clamp(2rem, 8vw, 3rem) clamp(1.5rem, 6vw, 2.5rem);
    text-align: center;
}

h1 {
    font-size: clamp(2.5rem, 10vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.04em;
    color: var(--color-link);
    margin: 0 0 0.4em;
    line-height: 1;
}

.subtitle {
    font-size: clamp(0.7rem, 2vw, 0.85rem);
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

/* ─── Content ────────────────────────────────────────────── */

.content {
    padding: clamp(1.5rem, 6vw, 2rem);
}

a {
    text-decoration: none;
}

/* ─── Footer ─────────────────────────────────────────────── */

footer {
    padding: 1rem clamp(1.5rem, 6vw, 2rem);
    border-top: 1px solid var(--color-border);
    display: flex;
    align-items: baseline;
    gap: 0.6rem;
}

.footer-label {
    font-size: 0.75rem;
    color: var(--color-text-faint);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 600;
    flex-shrink: 0;
}

.footer-sites {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
}

.footer-sites a {
    font-size: 0.8125rem;
    color: var(--color-text-faint);
    transition: var(--transition-color);
}

.footer-sites a:hover {
    color: var(--color-text-muted);
    text-decoration: none;
}

/* ─── Link cards ─────────────────────────────────────────── */

.link-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.link-list li {
    display: contents;
}

.link-card {
    display: flex;
    flex-direction: column;
    background-color: var(--color-item-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-item);
    padding: 0.875rem 1rem;
    transition: var(--transition-bg);
}

.link-card:hover {
    background-color: var(--color-item-bg-hover);
}

.link-card strong {
    color: var(--color-link);
    font-size: 0.9375rem;
}

.remark {
    display: block;
    margin-top: 0.2rem;
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.45;
}