/* KittenCare.com – shared styles (locked design) */
    :root {
      --bg: #faf7f2;
      --bg-card: #ffffff;
      --text: #2c2c2c;
      --text-muted: #5c5c5c;
      --coral: #0056b3;
      --coral-dark: #004a99;
      --green: #51A351;
      --green-dark: #3d8b3d;
      --green-soft: #e8f5e9;
      --coral-soft: #eef3ff;
      --border: #ebe4db;
      --shadow: 0 1px 4px rgba(44, 44, 44, 0.05);
      --shadow-hover: 0 3px 10px rgba(44, 44, 44, 0.08);
      --radius: 12px;
      --max-width: 1100px;
      --font: Calibri, Verdana, Arial, Helvetica, sans-serif;
    }

    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 17px; }
    body {
      font-family: var(--font);
      background: var(--bg);
      color: var(--text);
      line-height: 1.65;
      min-height: 100vh;
      display: flex;
      flex-direction: column;
    }
    a { color: var(--coral-dark); text-decoration: none; transition: color 0.15s ease; }
    a:hover, a:focus { color: var(--coral); text-decoration: underline; }

    .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 1.25rem; }
    main { flex: 1; padding: 1.5rem 0 3rem; }

    /* Header – solid green banner (your original color) */
    .site-header {
      background: #51A351;
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    }
    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      gap: 1rem;
    }
    .logo {
      font-size: 1.35rem;
      font-weight: 800;
      color: #ffffff;
      letter-spacing: -0.02em;
      text-decoration: none;
    }
    .logo:hover { color: #ffffff; text-decoration: none; opacity: 0.9; }
    .logo span { color: #ffffff; }

    .nav-toggle {
      display: none;
      background: rgba(255,255,255,0.2);
      border: 2px solid #ffffff;
      border-radius: 6px;
      padding: 0.3rem 0.6rem;
      cursor: pointer;
      font-size: 1.1rem;
      color: #ffffff;
      font-weight: 700;
    }

    .main-nav ul {
      list-style: none;
      display: flex;
      gap: 0.15rem 1.35rem;
      flex-wrap: wrap;
      align-items: center;
    }
    .main-nav a {
      color: #ffffff;
      font-weight: 700;
      font-size: 0.9rem;
      text-decoration: none;
      text-transform: uppercase;
      letter-spacing: 0.03em;
      padding: 0.25rem 0;
    }
    .main-nav a:hover { color: #ffffff; text-decoration: underline; }

    @media (max-width: 800px) {
      .nav-toggle { display: block; }
      .main-nav {
        position: absolute;
        top: 68px;
        left: 0; right: 0;
        background: #51A351;
        padding: 1rem 1.25rem 1.25rem;
        display: none;
        box-shadow: 0 4px 12px rgba(0,0,0,0.15);
      }
      .main-nav.is-open { display: block; }
      .main-nav ul { flex-direction: column; align-items: flex-start; gap: 0.7rem; }
    }

    /* Hero */
    .hero {
      background: linear-gradient(160deg, var(--green-soft) 0%, #fff 50%, var(--coral-soft) 100%);
      border-bottom: 1px solid var(--border);
      padding: 2.75rem 0 2.25rem;
      margin-bottom: 2rem;
    }
    .hero h1 {
      font-size: clamp(1.7rem, 4.2vw, 2.25rem);
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 0.85rem;
      color: var(--text);
      letter-spacing: -0.025em;
    }
    .hero p {
      font-size: 1.08rem;
      color: var(--text-muted);
      max-width: 40rem;
      margin-bottom: 0.6rem;
    }
    .hero .tagline {
      display: inline-block;
      background: var(--green-soft);
      color: var(--green-dark);
      font-size: 0.88rem;
      font-weight: 600;
      padding: 0.35rem 0.9rem;
      border-radius: 999px;
      margin-top: 0.4rem;
      border: 1px solid var(--green);
    }

    /* Sections */
    .section { margin-bottom: 2.5rem; }
    .section-title {
      display: inline-block;
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--green-dark);
      background: #f3f9f4;
      padding: 0.35rem 0.9rem;
      border-radius: 6px;
      margin-bottom: 1.1rem;
      letter-spacing: -0.01em;
      border-left: 3px solid var(--green);
    }

    /* Cards */
    .topic-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
      gap: 1.1rem;
    }
    .topic-grid a {
      display: block;
      background: var(--bg-card);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 1rem 1.15rem;
      color: #0056b3;
      text-decoration: none;
      font-size: 0.98rem;
      font-weight: 600;
      box-shadow: var(--shadow);
      transition: all 0.18s ease;
    }
    .topic-grid a.important {
      font-weight: 700;
      border-color: var(--green);
      background: #f7fbf7;
    }
    .topic-grid a.important::after {
      content: " ✓";
      color: #e67e22;
      font-weight: 700;
    }
    .topic-grid a:hover {
      border-color: #0056b3;
      background: #eef5fb;
      color: #004a99;
      box-shadow: var(--shadow-hover);
      transform: translateY(-1px);
      text-decoration: underline;
    }

    /* Footer */
    .site-footer {
      background: #1f2a24;
      color: #c8d4ce;
      padding: 2rem 0 1.5rem;
      font-size: 0.9rem;
      margin-top: auto;
    }
    .site-footer a { color: #fff; font-weight: 600; }
    .site-footer a:hover { color: var(--coral); }
    .footer-inner {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 1rem;
      align-items: center;
    }
    .footer-links { display: flex; gap: 1.4rem; }
    .copyright { color: #8a9a92; font-size: 0.85rem; }

    :focus-visible { outline: 3px solid var(--coral); outline-offset: 2px; }

/* Content / article pages */
.content {
  max-width: 720px;
}
.article-header {
  margin-bottom: 1.5rem;
}
.article-header h1 {
  font-size: clamp(1.5rem, 3.5vw, 1.9rem);
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.article-meta {
  font-size: 0.95rem;
  color: var(--text-muted);
}
.content h2 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--green-dark);
  background: #f3f9f4;
  display: inline-block;
  padding: 0.35rem 0.9rem;
  border-radius: 6px;
  margin: 1.75rem 0 0.75rem;
  border-left: 3px solid var(--green);
}
.content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin: 1.4rem 0 0.5rem;
  color: var(--text);
}
.content p {
  margin-bottom: 1rem;
  color: var(--text-muted);
}
.content ul,
.content ol {
  margin: 0 0 1.25rem 1.35rem;
  color: var(--text-muted);
}
.content li {
  margin-bottom: 0.4rem;
}
.content strong {
  color: var(--text);
}
.note {
  background: var(--green-soft);
  border-left: 4px solid var(--green);
  padding: 0.95rem 1.15rem;
  margin: 1.35rem 0;
  border-radius: 0 8px 8px 0;
  font-size: 0.95rem;
  color: var(--text);
}
.note.warning {
  background: #fdf6f0;
  border-left-color: #e67e22;
}