:root {
    --bg: #0d1014;
    --bg-soft: #13171d;
    --panel: #171c23;
    --panel-2: #1b222b;
    --line: #2a323d;
    --text: #f2f4f8;
    --muted: #adb6c2;
    --accent: #7aa2ff;
    --accent-2: #5675d6;
    --success: #63bb7b;
    --radius: 18px;
    --max: 1180px;
}
.theme-ru {
    --bg: #0d1014; --bg-soft: #13171d; --panel: #171c23; --panel-2: #1b222b;
    --line: #2a323d; --text: #f2f4f8; --muted: #adb6c2; --accent: #7aa2ff; --accent-2: #5675d6;
}
.theme-en {
    --bg: #0f1217; --bg-soft: #141923; --panel: #181f29; --panel-2: #1d2430;
    --line: #2e3744; --text: #eff3f8; --muted: #aab4c1; --accent: #58c1a8; --accent-2: #3c8a79;
}
.theme-fr {
    --bg: #f4efe8; --bg-soft: #efe8de; --panel: #fbf8f3; --panel-2: #f3ede4;
    --line: #d9cfc0; --text: #1b2230; --muted: #5f6670; --accent: #223a70; --accent-2: #b6403c; --success: #7b9b6a;
}
.theme-jp {
    --bg: #efe7dc; --bg-soft: #e6dccd; --panel: #f7f1e8; --panel-2: #efe4d6;
    --line: #d5c4b0; --text: #1c1715; --muted: #6d6259; --accent: #b84537; --accent-2: #c67b57; --success: #7a916c;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(180deg, var(--bg) 0%, var(--bg-soft) 100%);
    color: var(--text);
    line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.container { width: min(calc(100% - 32px), var(--max)); margin: 0 auto; }
.header {
    position: sticky; top: 0; z-index: 50;
    background: color-mix(in srgb, var(--bg) 94%, transparent);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(6px);
}
.header-inner {
    display: grid; grid-template-columns: auto 1fr auto;
    align-items: center; gap: 18px; padding: 14px 0;
}
.brand { display: inline-flex; align-items: center; gap: 12px; font-weight: 800; }
.brand-badge {
    width: 34px; height: 34px; display: grid; place-items: center;
    background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-radius: 10px; font-weight: 800;
}
.nav { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--muted); font-size: 0.95rem; }
.nav a:hover, .nav a:focus-visible { color: var(--text); outline: none; }
.lang-switcher { display: flex; gap: 8px; flex-wrap: wrap; }
.lang-btn {
    min-width: 42px; text-align: center; padding: 8px 10px; border-radius: 10px;
    border: 1px solid var(--line); background: var(--panel); color: var(--muted); font-size: 0.9rem;
}
.lang-btn.is-active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-color: transparent; }
.hero { padding: 42px 0 22px; }
.hero-grid { display: grid; grid-template-columns: 1.25fr 0.75fr; gap: 20px; }
.hero-card, .panel, .github-card, .contact-card {
    background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px;
}
.eyebrow {
    display: inline-flex; align-items: center; gap: 10px;
    border: 1px solid var(--line); background: var(--panel-2);
    border-radius: 999px; padding: 8px 12px; color: var(--muted); font-size: 0.92rem;
}
.dot { width: 8px; height: 8px; background: var(--success); border-radius: 50%; }
.hero h1 {
    margin: 16px 0 10px; font-size: clamp(2.8rem, 5vw, 5rem);
    line-height: .95; letter-spacing: -0.05em;
}
.hero-subtitle { font-size: 1.06rem; margin: 0 0 10px; max-width: 680px; }
.lead, .section-head p, .panel p, .github-top p, .contact-card p, .side-card p, .stat span, .lang-card-top span {
    color: var(--muted);
}
.cta-row, .chips, .stack-list { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    min-height: 46px; padding: 0 16px; border-radius: 12px; border: 1px solid transparent; font-weight: 700;
}
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }
.btn-secondary { background: var(--panel-2); border-color: var(--line); }
.quick-stats, .cards, .lang-grid { display: grid; gap: 16px; }
.quick-stats { grid-template-columns: repeat(4, 1fr); margin-top: 18px; }
.stat { background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; padding: 16px; }
.stat strong { display: block; margin-bottom: 6px; }
.side-card { display: flex; flex-direction: column; justify-content: space-between; gap: 18px; }
.avatar {
    width: 54px; height: 54px; display: grid; place-items: center;
    border-radius: 14px; background: var(--panel-2); border: 1px solid var(--line);
    font-size: 1.4rem; font-weight: 900;
}
.chip {
    display: inline-flex; align-items: center;
    padding: 8px 11px; border-radius: 999px;
    background: var(--panel-2); border: 1px solid var(--line); font-size: 0.92rem;
}
.chip-link { word-break: break-all; }
.section { padding: 18px 0 28px; }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px; margin-bottom: 16px; }
.section-head h2 { margin: 0 0 6px; font-size: clamp(1.5rem, 3vw, 2.4rem); }
.cards { grid-template-columns: repeat(3, 1fr); }
.cards-2 { grid-template-columns: repeat(2, 1fr); }
.lang-grid { grid-template-columns: repeat(2, 1fr); }
.lang-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 18px; }
.lang-card-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.lang-bar { height: 10px; border-radius: 999px; background: var(--panel-2); border: 1px solid var(--line); overflow: hidden; }
.lang-bar span { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: 999px; }
.github-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.footer { padding: 24px 0 42px; }
.footer-line { border-top: 1px solid var(--line); padding-top: 16px; }
.theme-jp .hero-card, .theme-jp .panel, .theme-jp .github-card, .theme-jp .contact-card { border-radius: 14px; }
.theme-jp .hero h1 { letter-spacing: -0.03em; }
@media (max-width: 1040px) {
    .hero-grid, .cards, .cards-2, .lang-grid, .quick-stats { grid-template-columns: 1fr; }
    .header-inner { grid-template-columns: 1fr; justify-items: start; }
    .nav { justify-content: flex-start; }
}