* {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
      background-color: #f0fdf4;
      color: #1f2937;
      line-height: 1.6;
    }

    .container {
      max-width: 1100px;
      margin: 0 auto;
      padding: 20px;
    }

    /* HEADER */
    .header {
      background: #fff;
      border-bottom: 2px solid #10b981;
      /* position: sticky; */
      top: 0;
      z-index: 100;
      box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    }

    .branding {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 15px 0;
    }

    .logo {
      width: 60px;
      height: 60px;
      background: linear-gradient(135deg, #10b981, #34d399);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 30px;
    }

    .branding h1 {
      font-size: 24px;
      color: #10b981;
      margin-bottom: 4px;
    }

    .branding p {
      font-size: 13px;
      color: #6b7280;
    }

    nav {
      display: flex;
      gap: 5px;
      padding: 10px 0;
      flex-wrap: wrap;
    }

    nav a {
      padding: 8px 16px;
      text-decoration: none;
      color: #374151;
      border-radius: 6px;
      transition: all 0.2s;
      font-weight: 500;
    }

    nav a:hover {
      background: #f0fdf4;
      color: #10b981;
    }

    /* HERO SECTION */
    #home {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      margin-top: 40px;
      align-items: center;
    }

    .hero-text h2 {
      font-size: 36px;
      color: #1f2937;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .hero-text > p {
      font-size: 18px;
      color: #4b5563;
      margin-bottom: 25px;
    }

    .hero-img {
      background: linear-gradient(135deg, #10b981, #34d399);
      height: 400px;
      border-radius: 16px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: white;
      font-size: 20px;
      box-shadow: 0 10px 30px rgba(16, 185, 129, 0.3);
    }

    .hours {
      background: white;
      padding: 20px;
      border-radius: 12px;
      margin-top: 30px;
      border: 1px solid #e5e7eb;
    }

    .hours h3 {
      color: #10b981;
      margin-bottom: 12px;
      font-size: 20px;
    }

    .hours ul {
      list-style: none;
    }

    .hours li {
      padding: 6px 0;
      color: #4b5563;
    }

    /* BUTTONS */
    .btn-group {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
      margin-bottom: 20px;
    }

    .btn {
      padding: 12px 24px;
      border-radius: 8px;
      text-decoration: none;
      font-weight: 600;
      transition: all 0.2s;
      display: inline-block;
      border: none;
      cursor: pointer;
      font-size: 16px;
    }

    .btn.primary {
      background: #10b981;
      color: white;
    }

    .btn.primary:hover {
      background: #059669;
      transform: translateY(-2px);
      box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
    }

    .btn.secondary {
      background: white;
      color: #10b981;
      border: 2px solid #10b981;
    }

    .btn.secondary:hover {
      background: #f0fdf4;
    }

    /* ADOPTION SECTION */
    .adopt-section {
      margin-top: 60px;
    }

    .adopt-section h3, .volunteer-section h3, .about-section h3,
    .contact-section h3, .donate-section h3 {
      font-size: 32px;
      color: #1f2937;
      margin-bottom: 12px;
    }

    .adopt-section > p, .volunteer-section > p, .about-section > p {
      font-size: 18px;
      color: #6b7280;
      margin-bottom: 20px;
    }

    .animal-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 24px;
      margin-top: 30px;
    }

    .animal-card {
      background: white;
      border-radius: 12px;
      padding: 20px;
      border: 1px solid #e5e7eb;
      transition: all 0.3s;
      cursor: pointer;
    }

    .animal-card:hover {
      transform: translateY(-4px);
      box-shadow: 0 8px 24px rgba(0,0,0,0.12);
      border-color: #10b981;
    }

    .animal-card img {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 15px;
      background: #f3f4f6;
    }

    .animal-card h4 {
      font-size: 20px;
      color: #1f2937;
      margin-bottom: 8px;
    }

    .animal-card p {
      color: #6b7280;
      margin-bottom: 6px;
    }

    .animal-badge {
      display: inline-block;
      padding: 4px 12px;
      background: #dcfce7;
      color: #059669;
      border-radius: 20px;
      font-size: 13px;
      font-weight: 600;
      margin-top: 8px;
    }

    /* VOLUNTEER SECTION */
    .volunteer-section {
      margin-top: 60px;
      background: white;
      padding: 40px;
      border-radius: 16px;
      border: 1px solid #e5e7eb;
    }

    .volunteer-grid {
      margin-top: 30px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
    }

    .volunteer-grid h4 {
      font-size: 22px;
      color: #1f2937;
      margin-bottom: 16px;
    }

    .volunteer-grid ol {
      padding-left: 20px;
      color: #4b5563;
    }

    .volunteer-grid ol li {
      margin-bottom: 10px;
      padding-left: 8px;
    }

    .volunteer-form label {
      display: block;
      font-weight: 600;
      color: #374151;
      margin-bottom: 6px;
      margin-top: 12px;
    }

    .volunteer-form input,
    .volunteer-form textarea {
      width: 100%;
      padding: 12px;
      border-radius: 8px;
      border: 1px solid #d1d5db;
      font-size: 15px;
      font-family: inherit;
      transition: border-color 0.2s;
    }

    .volunteer-form input:focus,
    .volunteer-form textarea:focus {
      outline: none;
      border-color: #10b981;
      box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
    }

    /* ABOUT SECTION */
    .about-section {
      margin-top: 60px;
      background: white;
      padding: 40px;
      border-radius: 16px;
      border: 1px solid #e5e7eb;
    }

    /* CONTACT & DONATE SECTIONS */
    .contact-section, .donate-section {
      margin-top: 40px;
      padding: 40px;
      background: white;
      border-radius: 16px;
      border: 1px solid #e5e7eb;
    }

    .contact-section p, .donate-section p {
      color: #4b5563;
      margin-bottom: 12px;
      font-size: 16px;
    }

    .contact-section > div {
      margin-top: 20px;
    }

    /* FOOTER */
    .footer {
      text-align: center;
      margin-top: 60px;
      padding: 30px;
      color: #6b7280;
      background: white;
      border-radius: 16px 16px 0 0;
    }

    /* RESPONSIVE */
    @media (max-width: 800px) {
      #home {
        grid-template-columns: 1fr;
      }

      .hero-text h2 {
        font-size: 28px;
      }

      .hero-img {
        height: 250px;
      }

      .volunteer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }

      nav {
        justify-content: center;
      }

      nav a {
        font-size: 14px;
        padding: 6px 12px;
      }

      .branding h1 {
        font-size: 18px;
      }

      .branding p {
        font-size: 11px;
      }
    }
