* {margin: 0; padding: 0; box-sizing: border-box;}
    
    :root {
      --primary: #0d47a1;
      --secondary: #ff9800;
      --accent: #25d366;
      --dark: #222;
      --light-gray: #f8f9fa;
      --shadow: 0 4px 20px rgba(0,0,0,0.1);
    }
    
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: #333;
      scroll-behavior: smooth;
    }
    
    header {
      background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
      color: #333;
      padding: 15px 20px;
      position: fixed;
      width: 100%;
      top: 0;
      z-index: 1000;
      display: flex;
      justify-content: space-between;
      align-items: center;
      backdrop-filter: blur(10px);
      box-shadow: 0 4px 20px rgba(0,0,0,0.15);
      border-bottom: 1px solid rgba(0,0,0,0.1);
    }
    
    .logo-container {
      display: flex;
      align-items: center;
    }
    
    .logo {
      height: 45px;
      width: auto;
      max-width: 180px;
      object-fit: contain;
      border-radius: 8px;
      transition: all 0.3s ease;
    }
    
    .logo:hover {
      transform: scale(1.05);
    }
    
    /* Suporte para telas Retina */
    @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
      .logo {
        content: url('../imagens/logo@2x.png');
        height: 45px;
        width: auto;
      }
    }
    
    nav {
      display: flex;
      gap: 25px;
    }
    
    nav a {
      color: #333;
      text-decoration: none;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 20px;
      transition: all 0.3s ease;
      position: relative;
    }
    
    nav a:hover {
      background: rgba(13,71,161,0.1);
      color: var(--primary);
      transform: translateY(-2px);
    }
    
    .menu-toggle {
      display: none;
      flex-direction: column;
      cursor: pointer;
      padding: 5px;
    }
    
    .menu-toggle span {
      background: #333;
      height: 3px;
      margin: 3px 0;
      width: 25px;
      border-radius: 2px;
      transition: 0.3s;
    }
    
    .hero {
  background: linear-gradient(rgba(13,71,161,0.7), rgba(13,71,161,0.7)),
              url('../imagens/AlpinistaBackground.png') center 30%/cover no-repeat;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  text-align: center;
  color: #fff;
  padding: 20px;
  position: relative;
}

    
    .hero::before {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 100px;
      background: linear-gradient(transparent, white);
    }
    
    .hero-content {
      max-width: 800px;
      z-index: 2;
      position: relative;
    }
    
    .hero h2 {
      font-size: clamp(2rem, 5vw, 3.5rem);
      margin-bottom: 20px;
      text-shadow: 2px 2px 10px rgba(0,0,0,0.5);
      font-weight: 700;
      line-height: 1.2;
    }
    
    .hero p {
      font-size: 1.2rem;
      margin-bottom: 30px;
      opacity: 0.95;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .cta-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }
    
    .btn {
      padding: 14px 28px;
      text-decoration: none;
      font-weight: 600;
      border-radius: 30px;
      transition: all 0.3s ease;
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 1rem;
      border: none;
      cursor: pointer;
    }
    
    .btn-primary {
      background: linear-gradient(135deg, var(--secondary) 0%, #f57c00 100%);
      color: #fff;
      box-shadow: 0 4px 15px rgba(255,152,0,0.4);
    }
    
    .btn-secondary {
      background: rgba(255,255,255,0.2);
      color: #fff;
      border: 2px solid rgba(255,255,255,0.3);
      backdrop-filter: blur(10px);
    }
    
    .btn:hover {
      transform: translateY(-3px);
      box-shadow: 0 8px 25px rgba(0,0,0,0.2);
    }
    
    section {
      padding: 80px 20px;
      max-width: 1200px;
      margin: auto;
    }
    
    .section-title {
      text-align: center;
      font-size: 2.5rem;
      margin-bottom: 20px;
      color: var(--primary);
      position: relative;
    }
    
    .section-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background: linear-gradient(90deg, var(--secondary), var(--primary));
      border-radius: 2px;
    }
    
    .section-subtitle {
      text-align: center;
      color: #666;
      margin-bottom: 50px;
      font-size: 1.1rem;
      max-width: 600px;
      margin-left: auto;
      margin-right: auto;
    }
    
    .services {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 50px;
    }
    
    .card {
      background: #fff;
      padding: 40px 30px;
      border-radius: 20px;
      box-shadow: var(--shadow);
      text-align: center;
      transition: all 0.3s ease;
      border: 1px solid rgba(13,71,161,0.1);
      position: relative;
      overflow: hidden;
    }
    
    .card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--secondary));
    }
    
    .card:hover {
      transform: translateY(-10px);
      box-shadow: 0 20px 40px rgba(0,0,0,0.15);
    }
    
    .card-icon {
      font-size: 3rem;
      margin-bottom: 20px;
      color: var(--primary);
    }
    
    .card h3 {
      font-size: 1.3rem;
      margin-bottom: 15px;
      color: var(--primary);
    }
    
    .card p {
      color: #666;
      line-height: 1.6;
    }
    
    .stats {
      background: linear-gradient(135deg, var(--primary) 0%, #1565c0 100%);
      color: white;
      padding: 60px 20px;
      margin: 60px 0;
    }
    
    .stats-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 40px;
      max-width: 1000px;
      margin: 0 auto;
      text-align: center;
    }
    
    .stat-item h3 {
      font-size: 3rem;
      margin-bottom: 10px;
      color: var(--secondary);
    }
    
    .stat-item p {
      font-size: 1.1rem;
      opacity: 0.9;
    }
    
    .about-content {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 50px;
      align-items: center;
      margin-top: 40px;
    }
    
    .about-text {
      font-size: 1.1rem;
      line-height: 1.8;
      color: #555;
    }
    
    .about-image {
      background: url(../imagens/Alpinista.jpg) center/cover;
      height: 400px;
      border-radius: 20px;
      box-shadow: var(--shadow);
    }
    
    .features {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }
    
    .feature-item {
      display: flex;
      align-items: center;
      gap: 15px;
      padding: 20px;
      background: var(--light-gray);
      border-radius: 15px;
    }
    
    .feature-icon {
      background: linear-gradient(135deg, var(--primary), var(--secondary));
      color: white;
      width: 50px;
      height: 50px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.2rem;
    }
    
    .contact-container {
      background: var(--light-gray);
      padding: 60px 40px;
      border-radius: 20px;
      box-shadow: var(--shadow);
    }
    
    form {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      max-width: 800px;
      margin: 0 auto;
    }
    
    form input, form textarea {
      padding: 15px 20px;
      border: 2px solid #e0e0e0;
      border-radius: 10px;
      width: 100%;
      font-size: 1rem;
      transition: all 0.3s ease;
      background: white;
    }
    
    form input:focus, form textarea:focus {
      outline: none;
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(13,71,161,0.1);
    }
    
    form textarea {
      grid-column: 1 / -1;
      resize: vertical;
      min-height: 120px;
    }
    
    form button {
      grid-column: 1 / -1;
      background: linear-gradient(135deg, var(--primary) 0%, #1565c0 100%);
      color: #fff;
      padding: 15px 30px;
      border: none;
      border-radius: 10px;
      cursor: pointer;
      font-size: 1.1rem;
      font-weight: 600;
      transition: all 0.3s ease;
    }
    
    form button:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 25px rgba(13,71,161,0.3);
    }
    
    footer {
      background: var(--dark);
      color: #fff;
      text-align: center;
      padding: 40px 20px;
    }
    
    .footer-content {
      max-width: 1000px;
      margin: 0 auto;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 40px;
      margin-bottom: 30px;
    }
    
    .footer-section h4 {
      margin-bottom: 15px;
      color: var(--secondary);
    }
    
    .footer-section p, .footer-section a {
      color: #ccc;
      text-decoration: none;
      margin-bottom: 8px;
      display: block;
    }
    
    .footer-section a:hover {
      color: var(--secondary);
    }

    .footer-section {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.footer-section h4 {
    margin-bottom: 15px;
    color: var(--secondary);
}

.footer-section p, .footer-section a {
    color: #ccc;
    text-decoration: none;
    margin-bottom: 8px;
    display: block;
}

.footer-section a:hover {
    color: var(--secondary);
}

.footer-section .instagram-link {
    display: flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    color: #ccc;
    transition: all 0.3s ease;
    margin-top: 5px;
}

.footer-section .instagram-link img {
    height: 20px;
    width: 20px;
    object-fit: contain;
}

.footer-section .instagram-link:hover {
    color: var(--secondary);
}
    
    .whatsapp-btn {
      position: fixed;
      bottom: 25px;
      right: 25px;
      background: var(--accent);
      color: #fff;
      border-radius: 50%;
      padding: 18px;
      font-size: 28px;
      text-align: center;
      text-decoration: none;
      box-shadow: 0 4px 20px rgba(37,211,102,0.4);
      transition: all 0.3s ease;
      z-index: 1000;
    }
    
    .whatsapp-btn:hover {
      transform: scale(1.1);
      box-shadow: 0 8px 30px rgba(37,211,102,0.6);
    }
    
    @media (max-width: 768px) {
      nav {
        display: none;
        flex-direction: column;
        background: #ffffff;
        position: absolute;
        top: 70px;
        right: 20px;
        width: 200px;
        border-radius: 10px;
        padding: 20px;
        box-shadow: 0 4px 20px rgba(0,0,0,0.15);
        border: 1px solid rgba(0,0,0,0.1);
      }
      
      nav.active {
        display: flex;
      }
      
      .menu-toggle {
        display: flex;
      }
      
      .logo {
        height: 35px;
        max-width: 140px;
      }
      
      /* Telas Retina no mobile */
      @media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
        .logo {
          content: url('../imagens/logo@2x.png');
          height: 35px;
        }
      }
      
      .hero h2 {
        font-size: 2rem;
      }
      
      .cta-buttons {
        flex-direction: column;
        align-items: center;
      }
      
      .about-content {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      
      form {
        grid-template-columns: 1fr;
      }
      
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      
      section {
        padding: 60px 20px;
      }
    }
    
    /* Animações */
    @keyframes fadeInUp {
      from {
        opacity: 0;
        transform: translateY(30px);
      }
      to {
        opacity: 1;
        transform: translateY(0);
      }
    }
    
    .card, .feature-item {
      animation: fadeInUp 0.6s ease forwards;
    }
    
    .card:nth-child(even) {
      animation-delay: 0.2s;
    }
    
    .card:nth-child(3n) {
      animation-delay: 0.4s;
    }

    .photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.photo-container {
    overflow: hidden;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: all 0.5s ease;
    cursor: pointer;
}

.photo-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: all 0.5s ease;
}

.photo-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.photo-container:hover img {
    filter: grayscale(0%);
    transform: scale(1.05);
}

@media (max-width: 768px) {
    .photo-gallery {
        grid-template-columns: 1fr;
    }
}