:root {
    --primary: #0ea5e9; /* Transportes Brasil blue */
    --primary-dark: #0284c7;
    --primary-light: #e0f2fe;
    --light-gray: #f8fafc;
    --dark: #1e293b;
    --dark-gray: #334155;
    --medium-gray: #64748b;
    --light: #ffffff;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --border-radius: 0.5rem;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --transition: all 0.3s ease;
  }
  
  * {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
    font-size: 16px;
  }
  
  body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--dark);
    background-color: var(--light);
  }
  
  ul {
    list-style: none;
  }
  
  a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
  }
  
  img {
    max-width: 100%;
    height: auto;
    display: block;
  }
  
  /* Container */
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
  }
  
  /* Utilities */
  .hidden {
    display: none !important;
  }
  
  /* Section Layout */
  section {
    padding: 4rem 0;
  }
  
  .section-header {
    text-align: center;
    margin-bottom: 3rem;
  }
  
  .section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--dark);
  }
  
  .section-header p {
    font-size: 1.2rem;
    color: var(--primary);
    max-width: 36rem;
    margin: 0 auto;
  }
  
  /* Buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    border: none;
  }
  
  .btn-primary {
    background-color: var(--primary);
    color: var(--light);
  }
  
  .btn-primary:hover {
    background-color: var(--primary-dark);
  }
  
  .btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
    background-color: transparent;
  }
  
  .btn-outline:hover {
    background-color: var(--primary);
    color: var(--light);
  }
  
  /* Header */
  #header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: transparent;
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
  }
  
  #header.scrolled {
    background-color: var(--light);
    box-shadow: var(--box-shadow);
    padding: 0.5rem 0;
  }
  
  #header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
  }
  
  .logo .icon {
    width: 2rem;
    height: 2rem;
  }
  
  .nav-links {
    display: flex;
    gap: 2rem;
  }
  
  .nav-links li a {
    color: var(--dark);
    font-weight: 500;
  }
  
  .nav-links li a:hover {
    color: var(--primary);
  }
  
  .mobile-toggle {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--dark);
  }
  
  /* Hero Section */
  .hero {
    padding-top: 7rem;
    background: linear-gradient(to bottom right, var(--primary-light), var(--light));
    overflow: hidden;
    position: relative;
  }
  
  .hero-content {
    display: flex;
    align-items: center;
    gap: 2rem;
  }
  
  .hero-text {
    flex: 1;
  }
  
  .hero-text h1 {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
  }
  
  .hero-text h1 span {
    color: var(--primary);
  }
  
  .hero-text p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    max-width: 30rem;
  }
  
  .hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  
  .feature {
    text-align: center;
  }
  
  .feature-icon {
    background-color: rgba(14, 165, 233, 0.1);
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 0.75rem;
  }
  
  .feature-icon i {
    color: var(--primary);
    font-size: 1.25rem;
  }
  
  .feature p {
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0;
  }
  
  .hero-image {
    flex: 1;
    display: flex;
    justify-content: center;
  }
  
  .hero-image img {
    max-width: 100%;
    max-height: 25rem;
    border-radius: 1rem;
    box-shadow: var(--box-shadow);
    object-fit: cover;
  }
  
  .wave-divider {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 6rem;
    overflow: hidden;
  }
  
  .wave-divider svg {
    height: 100%;
    width: 100%;
  }
  
  .wave-divider path {
    fill: var(--light);
  }
  
  /* About Section */
  .about {
    padding: 6rem 0 4rem;
  }
  
  .about-content {
    display: flex;
    gap: 3rem;
    align-items: center;
    margin-bottom: 4rem;
  }
  
  .about-text {
    flex: 1;
  }
  
  .about-text h3 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
  }
  
  .about-text p {
    margin-bottom: 1rem;
    color: var(--dark-gray);
  }
  
  .values {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
  }
  
  .value-box {
    background-color: var(--light-gray);
    padding: 1rem;
    border-radius: var(--border-radius);
  }
  
  .value-box h4 {
    color: var(--primary);
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
  }
  
  .about-image {
    flex: 1;
    position: relative;
  }
  
  .about-image img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
  }
  
  .experience-badge {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    background-color: var(--primary);
    color: var(--light);
    padding: 1rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
  }
  
  .experience-badge .number {
    font-size: 1.5rem;
    font-weight: 700;
    line-height: 1;
  }
  
  .experience-badge .text {
    font-size: 0.875rem;
  }
  
  .stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
  }
  
  .stat {
    text-align: center;
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: var(--border-radius);
  }
  
  .stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 0.5rem;
  }
  
  .stat-text {
    color: var(--dark-gray);
  }
  
  /* Services Section */
  .services {
    padding: 4rem 0;
    background-color: var(--light-gray);
  }
  
  .services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
  }
  
  .service-card {
    background-color: var(--light);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    transition: var(--transition);
  }
  
  .service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  }
  
  .service-icon {
    margin-bottom: 1rem;
  }
  
  .service-icon i {
    color: var(--primary);
    font-size: 2rem;
  }
  
  .service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
  }
  
  .service-card p {
    margin-bottom: 1rem;
    color: var(--dark-gray);
  }
  
  .service-link {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    color: var(--primary);
    font-weight: 500;
    transition: var(--transition);
  }
  
  .service-link:hover {
    gap: 0.5rem;
  }
  
  .services-cta {
    text-align: center;
    margin-top: 3rem;
  }
  
  .services-cta p {
    margin-bottom: 1.5rem;
    color: var(--dark-gray);
  }
  
  /* Tracking Section */
  .tracking {
    padding: 4rem 0;
  }
  
  .tracking-container {
    max-width: 48rem;
    margin: 0 auto;
  }
  
  .tracking-form {
    margin-bottom: 2rem;
  }
  
  .form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
  }
  
  .form-group input {
    flex: 1;
    padding: 0.75rem 1rem;
    border: 1px solid #e2e8f0;
    border-radius: var(--border-radius);
    font-size: 1rem;
  }
  
  .tracking-results {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
  }
  
  .tracking-loading {
    text-align: center;
    padding: 2rem 0;
    color: var(--dark-gray);
  }
  
  .tracking-loading i {
    margin-left: 0.5rem;
    color: var(--primary);
  }
  
  .tracking-error {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--danger);
  }
  
  .tracking-error i {
    font-size: 2rem;
  }
  
  .tracking-status {
    display: flex;
    align-items: center;
    margin-bottom: 1.5rem;
  }
  
  .tracking-status i {
    font-size: 2.5rem;
    margin-right: 1rem;
  }
  
  .tracking-status.delivered i {
    color: var(--success);
  }
  
  .tracking-status.in-transit i {
    color: var(--warning);
  }
  
  .tracking-status.pending i {
    color: var(--medium-gray);
  }
  
  .tracking-status-text h4 {
    font-size: 1.25rem;
    margin-bottom: 0.25rem;
  }
  
  .tracking-details {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
  }
  
  .tracking-steps {
    position: relative;
    margin-top: 3rem;
  }
  
  .tracking-steps::before {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    left: 1rem;
    width: 2px;
    background-color: var(--medium-gray);
    transform: translateX(-50%);
  }
  
  .tracking-step {
    position: relative;
    padding-left: 2rem;
    padding-bottom: 1.5rem;
  }
  
  .tracking-step:last-child {
    padding-bottom: 0;
  }
  
  .tracking-step::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 0;
    width: 1rem;
    height: 1rem;
    border-radius: 50%;
    background-color: var(--primary);
    transform: translateX(-50%);
    z-index: 1;
  }
  
  .tracking-step.completed::before {
    background-color: var(--success);
  }
  
  .tracking-step.current::before {
    background-color: var(--warning);
  }
  
  .tracking-step h5 {
    font-weight: 600;
    margin-bottom: 0.25rem;
  }
  
  .tracking-step .date {
    font-size: 0.875rem;
    color: var(--medium-gray);
  }
  
  .tracking-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
  }
  
  .tracking-info {
    background-color: var(--light-gray);
    padding: 1.5rem;
    border-radius: var(--border-radius);
  }
  
  .tracking-info h3 {
    margin-bottom: 1rem;
    font-size: 1.25rem;
  }
  
  .tracking-info p {
    margin-bottom: 1rem;
  }
  
  .tracking-info ol {
    list-style: decimal;
    padding-left: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .tracking-info ol li {
    margin-bottom: 0.75rem;
  }
  
  /* FAQ Section */
  .faq {
    padding: 4rem 0;
    background-color: var(--light);
  }
  
  .accordion {
    max-width: 48rem;
    margin: 0 auto;
  }
  
  .accordion-item {
    border-bottom: 1px solid #e2e8f0;
  }
  
  .accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    padding: 1rem 0;
    text-align: left;
    background: none;
    border: none;
    font-weight: 500;
    font-size: 1.125rem;
    cursor: pointer;
    color: var(--dark);
  }
  
  .accordion-header:focus {
    outline: none;
  }
  
  .accordion-header .icon {
    transition: var(--transition);
  }
  
  .accordion-header.active .icon {
    transform: rotate(180deg);
  }
  
  .accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
  }
  
  .accordion-content.show {
    max-height: 1000px;
  }
  
  .accordion-content {
    padding: 0 0 1.5rem;
  }
  
  .accordion-content p {
    margin-bottom: 1rem;
  }
  
  .accordion-content ul,
  .accordion-content ol {
    padding-left: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .accordion-content ul {
    list-style: disc;
  }
  
  .accordion-content ul li,
  .accordion-content ol li {
    margin-bottom: 0.5rem;
  }
  
  .accordion-content h4 {
    font-size: 1.125rem;
    margin: 1.5rem 0 0.75rem;
  }
  
  /* Terms Section */
  .terms {
    padding: 4rem 0;
    background-color: var(--light-gray);
  }
  
  /* Footer */
  .footer {
    background-color: var(--dark);
    color: var(--light);
    padding: 4rem 0 2rem;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 3rem;
  }
  
  .footer-about {
    max-width: 25rem;
  }
  
  .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--light);
    margin-bottom: 1rem;
  }
  
  .footer-about p {
    color: #cbd5e1;
    margin-bottom: 1.5rem;
  }
  
  .copyright {
    font-size: 0.875rem;
    opacity: 0.8;
  }
  
  .footer h3 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
  }
  
  .footer-contact ul li {
    margin-bottom: 1rem;
    display: flex;
    gap: 0.75rem;
  }
  
  .footer-contact ul li i {
    color: var(--primary);
  }
  
  .footer-contact a:hover {
    color: var(--primary);
  }
  
  .footer-hours ul li {
    margin-bottom: 1rem;
  }
  
  .footer-hours .day {
    font-weight: 500;
  }
  
  .footer-bottom {
    text-align: center;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
    font-size: 0.875rem;
    color: #cbd5e1;
  }
  
  /* Modal */
  .modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    align-items: center;
    justify-content: center;
    z-index: 1050;
  }
  
  .modal.show {
    display: flex;
  }
  
  .modal-content {
    background-color: var(--light);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 32rem;
    width: 90%;
    position: relative;
    animation: modalFadeIn 0.3s;
  }
  
  @keyframes modalFadeIn {
    from {
      opacity: 0;
      transform: translateY(-20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .close-modal {
    position: absolute;
    top: 1rem;
    right: 1rem;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--medium-gray);
  }
  
  .modal h3 {
    margin-bottom: 1rem;
    text-align: center;
  }
  
  .email-icon {
    text-align: center;
    font-size: 3rem;
    color: var(--primary);
    margin: 2rem 0;
  }
  
  #email-message {
    text-align: center;
    margin-bottom: 1.5rem;
  }
  
  #modal-close-btn {
    display: block;
    margin: 0 auto;
  }
  
  /* Responsive Styles */
  @media (max-width: 992px) {
    .hero-content {
      flex-direction: column-reverse;
    }
    
    .hero-text {
      text-align: center;
    }
    
    .hero-text h1 {
      font-size: 2.5rem;
    }
    
    .hero-buttons {
      justify-content: center;
    }
    
    .about-content {
      flex-direction: column;
      text-align: center;
    }
    
    .stats {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-content {
      grid-template-columns: 1fr;
      gap: 2rem;
    }
    
    .footer-about {
      max-width: none;
    }
  }
  
  @media (max-width: 768px) {
    .nav-links {
      display: none;
    }
    
    .mobile-toggle {
      display: block;
    }
    
    .mobile-menu {
      position: fixed;
      top: 4rem;
      left: 0;
      right: 0;
      background-color: var(--light);
      box-shadow: var(--box-shadow);
      padding: 1.5rem;
      z-index: 999;
      opacity: 0;
      transform: translateY(-20px);
      visibility: hidden;
      transition: var(--transition);
    }
    
    .mobile-menu.show {
      opacity: 1;
      transform: translateY(0);
      visibility: visible;
    }
    
    .mobile-menu ul li {
      margin-bottom: 1rem;
    }
    
    .hero-text h1 {
      font-size: 2rem;
    }
    
    .values {
      grid-template-columns: 1fr;
    }
    
    .services-grid {
      grid-template-columns: 1fr;
    }
    
    .form-group {
      flex-direction: column;
    }
  
    .tracking-details {
      grid-template-columns: 1fr;
    }
    
    .stats {
      grid-template-columns: 1fr;
    }
    
    section {
      padding: 3rem 0;
    }
    
    .section-header h2 {
      font-size: 2rem;
    }
  }
  
  @media (max-width: 480px) {
    .hero-features {
      grid-template-columns: 1fr;
    }
    
    .feature {
      margin-bottom: 1.5rem;
    }
    
    .experience-badge {
      position: static;
      display: inline-block;
      margin-top: 1rem;
    }
  }