:root {
  --fg: #1a1a2e;
  --fg-muted: #4a4a6a;
  --bg: #fafafa;
  --bg-card: #fff;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --border: #e5e7eb;
  --success: #059669;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,.06);
  --font: system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; font-family: var(--font); color: var(--fg); background: var(--bg); line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }

.container { max-width: 640px; margin: 0 auto; padding: 2rem 1.5rem; }
@media (min-width: 768px) { .container { padding: 3rem 2rem; } }

/* Landing */
.hero { text-align: center; padding: 4rem 0 3rem; }
.hero h1 { font-size: 2rem; font-weight: 700; margin: 0 0 1rem; line-height: 1.2; }
.hero p { font-size: 1.1rem; color: var(--fg-muted); margin: 0 0 2rem; max-width: 36ch; margin-left: auto; margin-right: auto; }
.landing-article { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--border); max-width: 50ch; margin-left: auto; margin-right: auto; }
.landing-article h2 { font-size: 1.35rem; margin: 0 0 1.25rem; }
.landing-article p { font-size: 1rem; color: var(--fg-muted); line-height: 1.6; margin: 0 0 1rem; }
.btn { display: inline-block; padding: .75rem 1.5rem; background: var(--accent); color: #fff; border: none; border-radius: 8px; font-size: 1rem; font-weight: 600; cursor: pointer; transition: background .2s; }
.btn:hover { background: var(--accent-hover); text-decoration: none; }
.btn-secondary { background: transparent; color: var(--accent); border: 2px solid var(--accent); }

.badges { display: flex; flex-wrap: wrap; gap: .5rem; justify-content: center; margin-top: 2rem; }
.badge { font-size: .85rem; color: var(--fg-muted); padding: .25rem .75rem; background: var(--bg-card); border-radius: 999px; border: 1px solid var(--border); }

/* Assessment */
.card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem; margin-bottom: 1.5rem; }
.card h2 { font-size: 1.25rem; margin: 0 0 .5rem; }
.card p { color: var(--fg-muted); margin: 0 0 1.5rem; font-size: .95rem; }

.progress { height: 6px; background: var(--border); border-radius: 3px; overflow: hidden; margin-bottom: 2rem; }
.progress-bar { height: 100%; background: var(--accent); transition: width .3s; }

.options { display: flex; flex-direction: column; gap: .5rem; }
.option { display: block; padding: 1rem 1.25rem; border: 2px solid var(--border); border-radius: 8px; cursor: pointer; transition: all .2s; text-align: left; background: var(--bg-card); font-size: 1rem; }
.option:hover { border-color: var(--accent); background: #f8fafc; }
.option.selected { border-color: var(--accent); background: #eff6ff; }
.option input { position: absolute; opacity: 0; pointer-events: none; }
.options-checkbox .option { display: flex; align-items: center; }
.options-checkbox .option input { position: static; opacity: 1; pointer-events: auto; margin: 0; margin-right: .75rem; accent-color: var(--accent); flex-shrink: 0; }

.nav-buttons { display: flex; justify-content: space-between; margin-top: 2rem; gap: 1rem; }
.nav-buttons .btn { min-width: 120px; }
.nav-buttons .btn:disabled { opacity: .5; cursor: not-allowed; }

/* Weight sliders */
.card-desc { color: var(--fg-muted); margin-bottom: 1.5rem; font-size: .95rem; }
.weight-sliders { display: flex; flex-direction: column; gap: 1rem; }
.weight-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.weight-row label { font-weight: 500; min-width: 140px; }
.weight-control { display: flex; align-items: center; gap: .75rem; flex: 1; max-width: 280px; }
.weight-control input[type="range"] { flex: 1; height: 8px; accent-color: var(--accent); }
.weight-value { font-weight: 600; color: var(--accent); min-width: 1.5rem; }

/* Result */
.result-card { background: var(--bg-card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 2rem; margin-bottom: 1.5rem; border-left: 4px solid var(--accent); }
.result-card h2 { font-size: 1.5rem; margin: 0 0 .5rem; }
.result-card .tagline { color: var(--fg-muted); margin-bottom: 1rem; font-size: .95rem; }
.result-card .reason { margin: 1rem 0; padding: 1rem; background: #f8fafc; border-radius: 8px; font-size: .95rem; }
.result-card .cta { margin-top: 1.5rem; }
.result-card .cta .btn { margin-right: .5rem; margin-bottom: .5rem; }

.alt-card { border-left-color: var(--border); opacity: .95; }
.alt-card .tagline { font-size: .9rem; }
.score-badge { font-size: .9rem; font-weight: 600; color: var(--accent); margin: 0 0 .75rem; }
.scores-breakdown { margin: 2rem 0; padding: 1.25rem; background: #f8fafc; border-radius: var(--radius); }
.scores-breakdown h3 { margin: 0 0 1rem; font-size: 1rem; }
.scores-breakdown ul { margin: 0; padding-left: 1.25rem; }
.scores-breakdown li { margin: .35rem 0; }

/* Email form */
.email-form { margin-top: 2rem; padding-top: 2rem; border-top: 1px solid var(--border); }
.email-form label { display: block; font-weight: 600; margin-bottom: .5rem; }
.email-form input { width: 100%; max-width: 360px; padding: .75rem 1rem; border: 2px solid var(--border); border-radius: 8px; font-size: 1rem; }
.email-form input:focus { outline: none; border-color: var(--accent); }
.email-form .hint { font-size: .85rem; color: var(--fg-muted); margin-top: .5rem; }
.email-form .btn { margin-top: 1rem; }
.email-form .success { color: var(--success); margin-top: 1rem; }
.email-form .error { color: #dc2626; margin-top: 1rem; }

/* Radar */
.radar-wrap { margin: 2rem 0; padding: 1rem; background: var(--bg-card); border-radius: var(--radius); }
.radar-wrap canvas { max-width: 100%; max-height: 320px; margin: 0 auto; display: block; }
.restart-actions { display: flex; gap: 1rem; flex-wrap: wrap; justify-content: center; margin: 2rem 0; }
.restart-actions .btn { min-width: 180px; }

.lang-switcher { position: absolute; top: 1rem; right: 1rem; display: flex; gap: .25rem; font-size: .85rem; }
.lang-switcher a { padding: .25rem .5rem; border-radius: 4px; color: var(--fg-muted); }
.lang-switcher a:hover { background: var(--border); color: var(--fg); }
.lang-switcher a.active { font-weight: 600; color: var(--accent); }
.container { position: relative; }

.hidden { display: none !important; }

/* Site nav + blog */
.site-nav {
  display: flex;
  gap: 1rem;
  align-items: center;
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}
.site-nav a { color: var(--fg-muted); font-weight: 500; }
.site-nav a:hover { color: var(--accent); }
.blog-header { margin-bottom: 2rem; padding-top: 2rem; }
.blog-header h1 { font-size: 1.75rem; margin: 0 0 0.75rem; line-height: 1.2; }
.blog-header .intro { color: var(--fg-muted); margin: 0; font-size: 1rem; }
.blog-list { list-style: none; margin: 0; padding: 0; }
.blog-list li {
  margin-bottom: 1.25rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--border);
}
.blog-list li:last-child { border-bottom: none; }
.post-card-title { font-size: 1.15rem; font-weight: 600; margin: 0 0 0.35rem; }
.post-card-title a { color: var(--fg); }
.post-card-title a:hover { color: var(--accent); }
.post-meta { font-size: 0.8rem; color: var(--fg-muted); margin: 0 0 0.5rem; }
.post-card-excerpt { margin: 0; color: var(--fg-muted); font-size: 0.95rem; line-height: 1.55; }
.article-back { margin-bottom: 1.5rem; font-size: 0.95rem; }
.article-content { max-width: 52ch; margin: 0 auto; }
.article-content h1 { font-size: 1.65rem; margin: 0 0 0.5rem; line-height: 1.25; }
.article-content .article-meta { font-size: 0.85rem; color: var(--fg-muted); margin: 0 0 2rem; }
.article-content h2 { font-size: 1.2rem; margin: 2rem 0 0.75rem; }
.article-content h3 { font-size: 1.05rem; margin: 1.5rem 0 0.5rem; }
.article-content p { color: var(--fg-muted); margin: 0 0 1rem; line-height: 1.65; }
.article-content ul, .article-content ol { color: var(--fg-muted); margin: 0 0 1rem; padding-left: 1.25rem; }
.article-content li { margin: 0.35rem 0; line-height: 1.55; }
.article-content .cta-box {
  margin: 2rem 0;
  padding: 1.25rem 1.5rem;
  background: #eff6ff;
  border-radius: var(--radius);
  border: 1px solid #bfdbfe;
}
.article-content .cta-box p { margin: 0; color: var(--fg); }
.article-content .disclaimer { font-size: 0.85rem; color: var(--fg-muted); font-style: italic; margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); }
.container--article { max-width: 720px; }