@layer reset, base, layout, components, responsive;

@layer reset {
  *, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
  }
  
  html {
    scroll-behavior: smooth;
  }
}

@layer base {
  :root {
    --clr-primary: #061A35; /* Azul */
    --clr-secondary: #DFA83F; /* Laranja */
    --clr-accent: #FCCF86; /* Amarelo */
    --clr-bg: #E1E2E5; /* Cinza */
    --clr-surface: #FFFFFF;
    --clr-surface-alt: #F2F4F5;
    --clr-text: #061A35;
    --clr-text-muted: #666666;
    
    --font-main: 'Plus Jakarta Sans', sans-serif;
  }

  body {
    font-family: var(--font-main);
    background-color: var(--clr-bg);
    color: var(--clr-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }
  
  a {
    text-decoration: none;
    color: inherit;
  }
}

@layer layout {
  .page-wrapper {
    min-height: 100vh;
    display: flex;
    justify-content: flex-start;
    padding: 2rem 2rem 2rem 280px;
  }

  .site-container {
    background-color: var(--clr-surface);
    width: 100%;
    max-width: 1200px;
    border-radius: 24px;
    padding: 2rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    gap: 3.6rem;
  }
}

@layer components {
  /* ================= NAVBAR ================= */
  .main-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 2rem 1.5rem;
    background-color: rgba(6, 26, 53, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: white;
    border-radius: 24px;
    position: fixed;
    top: 1.5rem;
    left: 1.5rem;
    bottom: 1.5rem;
    transform: none;
    width: 250px;
    max-width: none;
    z-index: 1000;
    box-shadow: 5px 10px 30px rgba(0, 0, 0, 0.15);
    gap: 3rem;
  }

  .logo {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    gap: 0.8rem;
    font-size: 1.4rem;
    font-weight: 800;
    color: white;
    letter-spacing: 0.02em;
    text-decoration: none;
  }

  .nav-links {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    gap: 1.5rem;
    list-style: none;
    padding: 0;
  }

  .nav-links a {
    font-size: 0.85rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.8);
    transition: color 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    gap: 0.4rem;
  }

  .nav-links a:hover, .nav-links a.active {
    color: white;
  }

  .header-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    margin-top: auto;
    width: 100%;
  }
  
  .btn-yellow {
    background-color: var(--clr-accent);
    color: var(--clr-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 800;
    cursor: pointer;
    border: none;
    width: 100%;
    text-align: center;
    transition: transform 0.2s, background-color 0.2s;
  }
  
  .btn-yellow:hover {
    background-color: var(--clr-secondary);
    transform: scale(1.05);
  }
  
  .btn-white {
    background-color: white;
    color: var(--clr-primary);
    padding: 0.8rem 1.5rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: background-color 0.2s;
  }

  .btn-outline {
    background-color: transparent;
    color: white;
    padding: 0.8rem 1.5rem;
    border-radius: 99px;
    font-size: 0.85rem;
    font-weight: 700;
    cursor: pointer;
    border: 1px solid white;
    transition: background-color 0.2s;
  }

  .btn-outline:hover {
    background-color: rgba(255,255,255,0.1);
  }

  /* ================= HERO ================= */
  .hero-section {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 550px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 1.5rem;
    text-align: center;
    color: white;
  }

  .hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: 50% 30%;
    z-index: 1;
  }

  .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.1), rgba(0,0,0,0.4));
    z-index: 2;
  }

  .hero-content {
    position: relative;
    z-index: 3;
    max-width: 600px;
    padding: 2rem;
  }

  .hero-title {
    font-size: 6rem;
    font-weight: 900;
    letter-spacing: 0.05em;
    line-height: 1;
    margin-bottom: 1rem;
    text-shadow: 0 4px 10px rgba(0,0,0,0.3);
  }

  .hero-title sup {
    font-size: 1.5rem;
    vertical-align: super;
  }

  .hero-subtitle {
    font-size: 0.9rem;
    font-weight: 400;
    margin-bottom: 2rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
  }

  .hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
  }

  /* ================= WHY CHOOSE US ================= */
  .features-section {
    display: flex;
    gap: 4rem;
    align-items: center;
  }

  .features-content {
    flex: 1;
  }

  .features-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
  }

  .features-desc {
    font-size: 0.95rem;
    color: var(--clr-text-muted);
    margin-bottom: 2rem;
  }

  .gains-illustration {
    margin-top: 2rem;
    width: 100%;
    max-width: 450px;
  }
  
  .gains-illustration img {
    width: 100%;
    height: auto;
    border-radius: 12px;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }

  .social-icons {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    font-size: 1.5rem;
  }
  
  .stats-row {
    display: flex;
    gap: 2.5rem;
  }
  
  .stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
  
  .stat-icon {
    width: 50px;
    height: 50px;
    background-color: var(--clr-surface-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
  }
  
  .stat-number {
    font-weight: 800;
    font-size: 1.1rem;
  }
  
  .stat-label {
    font-size: 0.7rem;
    color: var(--clr-text-muted);
    max-width: 80px;
    line-height: 1.2;
  }

  .features-cards {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
  }

  .feature-card {
    background-color: var(--clr-primary);
    color: white;
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    opacity: 0.95;
  }
  
  .feature-card:nth-child(1) { background-color: var(--clr-primary); color: white; }
  .feature-card:nth-child(2) { background-color: var(--clr-secondary); color: white; }
  .feature-card:nth-child(3) { background-color: var(--clr-accent); color: var(--clr-primary); }

  .feature-card-icon {
    font-size: 2.5rem;
  }

  .feature-card h4 {
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
  }

  .feature-card p {
    font-size: 0.8rem;
    line-height: 1.4;
    opacity: 0.9;
  }

  /* ================= TOP DESTINATIONS ================= */
  .destinations-section {
    background-color: var(--clr-surface-alt);
    border-radius: 24px;
    padding: 3rem;
  }

  .dest-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 2rem;
  }

  .dest-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
  }
  
  .dest-header p {
    font-size: 0.9rem;
    color: var(--clr-text-muted);
    max-width: 400px;
    text-align: right;
  }

  .dest-carousel {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .dest-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    min-height: 300px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    background-color: var(--clr-accent);
    color: var(--clr-primary);
    padding: 2rem 1rem;
    box-shadow: 0 10px 20px rgba(0,0,0,0.05);
  }

  .dest-price-tag {
    background: var(--clr-primary);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 99px;
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    display: inline-block;
  }

  .dest-card-content {
    text-align: center;
  }

  .dest-card-title {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
  }

  .dest-card-desc {
    font-size: 0.85rem;
    opacity: 0.9;
    line-height: 1.4;
  }

  .dest-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .carousel-arrows {
    display: flex;
    gap: 0.5rem;
  }
  
  .arrow-btn {
    width: 36px; height: 36px;
    border-radius: 50%;
    border: 1px solid var(--clr-text-muted);
    background: transparent;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
  }

  /* ================= TOUR PACKAGES ================= */
  .packages-section {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }

  .pkg-card-text {
    background-color: var(--clr-primary);
    color: white;
    border-radius: 20px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
  }

  .pkg-card-text h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
  }

  .pkg-card-img {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
  }

  .pkg-card-img img {
    width: 100%; height: 100%; object-fit: cover;
  }

  .pkg-overlay {
    width: 100%;
    padding: 2rem;
    color: white;
  }

  .pkg-icon {
    position: absolute;
    top: 1.5rem; left: 1.5rem;
    width: 40px; height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.3);
    backdrop-filter: blur(5px);
    display: flex; align-items: center; justify-content: center;
  }

  /* ================= BOOKING STEPS ================= */
  .booking-section {
    padding-bottom: 2rem;
  }
  
  .booking-section h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
  }
  
  .steps-row {
    display: flex;
    gap: 2rem;
    align-items: center;
    justify-content: space-between;
  }
  
  .step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
  }
  
  .step-icon {
    width: 40px; height: 40px;
    border: 2px solid var(--clr-text);
    border-radius: 12px;
    display: flex; align-items: center; justify-content: center;
  }
  
  .step-text {
    font-weight: 700;
  }
  
  .step-divider {
    flex: 1;
    height: 1px;
    border-bottom: 1px dashed var(--clr-text-muted);
  }
}

@layer responsive {
  @media (max-width: 900px) {
    .features-section {
      flex-direction: column;
      gap: 2rem;
    }
    
    .dest-carousel {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .packages-section {
      grid-template-columns: 1fr;
    }
    
    .pkg-card-img {
      height: 250px;
    }
  }

  @media (max-width: 768px) {
    .page-wrapper {
      padding: 0;
      padding-bottom: 80px;
    }
    
    .site-container {
      padding: 1.5rem;
      border-radius: 0;
      margin-top: 0;
    }
    
    .main-header {
      flex-direction: row;
      justify-content: space-around;
      align-items: center;
      top: auto;
      bottom: 1rem;
      left: 1rem;
      width: calc(100% - 2rem);
      height: 70px;
      padding: 0;
      border-radius: 24px;
      gap: 0;
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    
    .main-header .logo,
    .main-header .header-actions {
      display: none;
    }

    .nav-links {
      flex-direction: row;
      flex-wrap: nowrap;
      width: 100%;
      justify-content: space-around;
      gap: 0;
    }
    
    .nav-links a {
      font-size: 0.85rem;
    }
    
    .search-bar {
      width: 100%;
    }
    
    .hero-section {
      height: 400px;
    }
    
    .hero-title {
      font-size: 3rem;
    }
    
    .hero-actions {
      flex-direction: column;
      gap: 1rem;
    }
    
    .stats-row {
      flex-direction: column;
      align-items: flex-start;
      gap: 1.5rem;
    }

    .dest-header {
      flex-direction: column;
      align-items: flex-start;
      gap: 1rem;
    }
    
    .dest-header p {
      text-align: left;
    }

    .dest-carousel {
      grid-template-columns: 1fr;
    }
    
    .steps-row {
      flex-direction: column;
      align-items: flex-start;
      gap: 1.5rem;
    }
    
    .step-divider {
      display: none;
    }
  }
}