/* Onkoff — calm medical B2C */
:root {
  --bg: #f8f9fb;
  --surface: #ffffff;
  --text: #1a2332;
  --muted: #5a6578;
  --accent: #3d6b8e;
  --accent-soft: #e8f0f6;
  --border: #dde3ea;
  --warn-bg: #fff8e6;
  --warn-border: #e6d49a;
  --radius: 12px;
  --max: 960px;
  font-size: 18px;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 1.25rem; }

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.75rem 0;
}
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.logo { font-weight: 700; font-size: 1.25rem; color: var(--accent); text-decoration: none; }
.site-header nav a { margin-left: 1rem; color: var(--muted); text-decoration: none; }
.site-header nav a:hover { color: var(--accent); }

.hero { padding: 2.5rem 0 1.5rem; text-align: center; }
.hero h1 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 1rem; line-height: 1.2; }
.lead { font-size: 1.1rem; color: var(--muted); max-width: 42rem; margin: 0 auto 1.5rem; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 0.75rem 1.5rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.05); }

.disclaimer {
  background: var(--warn-bg);
  border: 1px solid var(--warn-border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin: 1rem auto 2rem;
  font-size: 0.95rem;
  color: #4a4030;
}

section { padding: 2rem 0; }
h2 { font-size: 1.5rem; margin: 0 0 1.25rem; }

.scenario-grid, .card-grid, .service-grid {
  display: grid;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.scenario, .card, .service {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
}
.scenario h3, .card h3, .service h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.scenario ul { margin: 0; padding-left: 1.1rem; }
.scenario li { margin: 0.35rem 0; }
.scenario a { color: var(--accent); }

.tag, .cluster-tag, .badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
}
.badge { background: #eee; color: var(--muted); margin-top: 0.5rem; }
.service.soon { opacity: 0.92; }

.card-grid .card p { margin: 0.5rem 0 0; color: var(--muted); font-size: 0.95rem; }
.card a { color: inherit; text-decoration: none; }
.card a:hover { color: var(--accent); }
.more { margin-top: 1rem; }
.more a { color: var(--accent); }

.article h1 { font-size: 1.75rem; line-height: 1.25; margin: 0.5rem 0 1rem; }
.article h2 { font-size: 1.25rem; margin: 1.5rem 0 0.75rem; }
.article h3 { font-size: 1.05rem; margin: 1.25rem 0 0.5rem; }
.article p { margin: 0 0 1rem; }

.blog-list { list-style: none; padding: 0; }
.blog-list li { margin: 0.75rem 0; padding: 0.75rem; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); }
.blog-list a { color: var(--accent); text-decoration: none; font-weight: 500; }

.site-footer {
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer a { color: var(--accent); }

@media (max-width: 768px) {
  .site-header nav a { margin-left: 0.5rem; font-size: 0.9rem; }
}