/* === Variáveis CSS === */
:root {
    --primary-color: #00a1e0;
    --primary-hover: #007bb8;
    --bg-color: #16161a;
    --text-color: #fcfcfc;
    --secondary-bg: #1a1a1f;
    --card-bg: #1f1f23;
    --input-bg: #2a2a2f;
    --border-color: #444;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    --card-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    --transition: 0.3s ease;
  }
  
  /* === Reset & Base === */
  body {
    font-family: 'Poppins', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    background-image: url('images/2.png');
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    min-height: 100vh;
  }
  .container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
  }
  section {
    margin-bottom: 60px;
  }
  
  /* === Header === */
  /* (Reaproveite os estilos do header conforme já definidos) */
  .site-header {
    background: #17171b;
    box-shadow: var(--shadow);
    padding: 10px 0;
    border-radius: 12px;
    margin: 12px auto;
    width: calc(100% - 48px);
    position: relative;
    z-index: 10;
  }
  .site-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }
  .logo img {
    height: 64px;
    transition: transform var(--transition);
    max-width: 100%;
  }
  .logo img:hover {
    transform: scale(1.05);
  }
  nav {
    display: flex;
    gap: 16px;
    align-items: center;
    transition: all var(--transition);
  }
  nav a {
    color: #ffffff;
    text-decoration: none;
    font-weight: 600;
    text-transform: uppercase;
    font-size: 16px;
    padding: 0 6px;
    transition: color var(--transition);
  }
  nav a:hover {
    color: var(--primary-color);
  }
  .btn-nav {
    background: var(--primary-color);
    color: #fff;
    padding: 10px 18px;
    border-radius: 20px;
    font-weight: 600;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    font-size: 15px;
    margin-left: 10px;
    transition: background var(--transition);
  }
  .btn-nav:hover {
    background: var(--primary-hover);
  }
  
  /* === Footer === */
  /* (Estilos do footer também copiados do exemplo anterior) */
  .site-footer {
    padding: 40px 24px 20px;
    background-color: var(--secondary-bg);
    color: #fff;
  }
  .footer-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 24px;
    padding-bottom: 32px;
  }
  .footer-logo {
    max-width: 160px;
    height: auto;
    display: block;
    margin-bottom: 12px;
  }
  .footer-links ul,
  .footer-locations ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }
  .footer-links ul li a {
    color: #ccc;
    text-decoration: none;
    font-size: 14px;
    transition: color var(--transition);
  }
  .footer-links ul li a:hover {
    color: var(--primary-color);
  }
  .footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    border-top: 1px solid #333;
    padding-top: 20px;
  }
  .footer-policy a {
    font-size: 14px;
    color: #ccc;
    text-decoration: underline;
    transition: color var(--transition);
  }
  .footer-policy a:hover {
    color: var(--primary-color);
  }
  .footer-copy {
    font-size: 14px;
    color: #ccc;
  }
  
  /* === Seção Sobre === */
  #sobre {
    background-color: var(--secondary-bg);
    border-radius: 16px;
    padding: 60px 24px;
    margin: 40px auto;
    max-width: 1100px;
    text-align: center;
    box-shadow: 0 0 30px rgba(0,0,0,0.3);
    scroll-margin-top: 140px;
  }
  #sobre h2 {
    font-size: clamp(28px, 3vw, 36px);
    margin-bottom: 24px;
    color: var(--primary-color);
  }
  .sobre-content {
    display: flex;
    gap: 40px;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
  }
  .sobre-text {
    flex: 1 1 50%;
    text-align: left;
    color: #ccc;
  }
  .sobre-text p {
    line-height: 1.8;
    margin-bottom: 20px;
  }
  .sobre-image {
    flex: 1 1 40%;
    text-align: center;
  }
  .sobre-image img {
    width: 100%;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
  }
  
  /* Grid de Cards "Quem Somos" */
  .cards-quem-somos {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
    margin-bottom: 40px;
  }
  .card-quem-somos {
    padding: 24px;
    border-radius: 12px;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition);
  }
  .card-quem-somos:hover {
    transform: translateY(-4px);
  }
  .card-quem-somos h3 {
    margin: 0 0 12px;
    font-size: 18px;
  }
  /* Card grande */
  .big-card {
    grid-column: span 2;
    background: var(--secondary-bg);
    color: #ccc;
  }
  /* Cards menores com tons de azul */
  .small-card.tone1 {
    background: #00a1e0;
    color: #fff;
  }
  .small-card.tone2 {
    background: #007bb8;
    color: #fff;
  }
  .small-card.tone3 {
    background: #005b8f;
    color: #fff;
  }
  .small-card.tone4 {
    background: #003c66;
    color: #fff;
  }
  @media (max-width: 768px) {
    .cards-quem-somos {
      grid-template-columns: 1fr;
    }
    .big-card {
      grid-column: span 1;
    }
  }
  
  /* Ano no Footer */
  #year {
    font-weight: bold;
  }