:root {
  --color-primary: #527cad;
  --color-primary-dark: #e4eefa;
  --color-accent: #0a468a;
  --color-text-light: #e1e4e8;
  --color-bg-main: rgba(0, 0, 0, 0.45);
  --color-bg-card-start: rgba(0, 0, 0, 0.289);
  --color-bg-card-end: rgba(9, 18, 45, 0.35);
  --color-bg-header-footer: rgba(25, 30, 45, 0.65);
  --color-shadow: rgba(9, 41, 83, 0.3);
  --font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
  font-family: var(--font-family);
  color: var(--color-text-light);
  line-height: 1.7;
  scroll-behavior: smooth;
  min-height: 100vh;
  overflow-x: hidden;
  padding-top: 72px;
  padding-bottom: 80px;
  position: relative;
  z-index: 0;
  background-image: url(fundo.png);
  background-size: cover;
  background-position: center center;
  background-attachment: fixed;
}

main {
  width: 95%;
  max-width: 1100px;
  margin: 2rem auto;
  padding: 2rem 1.5rem;
  background-color: var(--color-bg-main);
  border-radius: 18px;
  backdrop-filter: blur(6px);
  box-shadow: 0 0 25px var(--color-shadow);
  animation: fadeIn 1.2s ease;
  overflow-wrap: break-word;
}

h1, h2, h3 {
  color: var(--color-primary);
  font-weight: 700;
}

h2 {
  font-size: 2.4rem;
  margin-top: 1.5rem;
  padding-bottom: 0.6rem;
}

h3 {
  font-size: 1.7rem;
  margin-top: 1.7rem;
}

p {
  margin: 1.2rem 0;
  text-align: justify;
  font-size: 1.15rem;
}

.card-container {
  display: flex;
  gap: 2rem;
  justify-content: center;
  margin: 3rem 0;
  flex-wrap: wrap;
}

.card {
  background: linear-gradient(160deg, var(--color-bg-card-start), var(--color-bg-card-end));
  border-radius: 14px;
  padding: 0;
  width: 280px;
  box-shadow: 0 0 20px var(--color-shadow);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  cursor: pointer;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 0 28px var(--color-accent);
}

.card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  filter: brightness(0.85);
}

.card h3 {
  margin: 0.8rem 0 1rem 0;
  color: var(--color-primary-dark);
  font-size: 1.3rem;
  background: rgba(25, 25, 45, 0.6);
  padding: 0.6rem 0;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 2rem;
  background-color: rgba(30, 35, 60, 0.6);
  color: var(--color-text-light);
  border-radius: 16px;
  box-shadow: 0 0 15px var(--color-shadow);
  text-align: center;
  table-layout: fixed;
  word-break: break-word;
  overflow-wrap: break-word;
}

th, td {
  padding: 1rem;
  border-bottom: 1px solid #444;
  font-weight: 600;
  font-size: 0.95rem;
}

th {
  background: var(--color-primary-dark);
  color: var(--color-accent);
}

tr:hover {
  background-color: rgba(45, 50, 70, 0.7);
}

.form-feedback {
  margin-top: 3rem;
  background-color: rgba(25, 30, 45, 0.5);
  padding: 2rem;
  border-radius: 16px;
  box-shadow: 0 0 20px var(--color-shadow);
}

label {
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: block;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 0.8rem;
  border-radius: 8px;
  border: 2px solid var(--color-primary);
  background-color: rgba(20, 25, 40, 0.8);
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

input[type="submit"] {
  background: var(--color-primary);
  color: #fff;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 1rem;
  width: 100%;
  cursor: pointer;
  transition: background 0.3s ease;
}

input[type="submit"]:hover {
  background: var(--color-primary-dark);
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  header {
    padding: 12px 0;
  }

  header h1 {
    font-size: 1.5rem;
  }

  nav ul {
    gap: 12px;
    flex-direction: row;
    overflow-x: auto;
    scrollbar-width: none;
  }

  nav ul::-webkit-scrollbar {
    display: none;
  }

  main {
    padding: 1.2rem 1rem;
    width: 95%;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  p {
    font-size: 1rem;
  }

  .card {
    width: 100%;
  }

  footer {
    font-size: 0.85rem;
    padding: 10px 0;
  }
}

@media (max-width: 480px) {
  body {
    padding-left: 14px;
    padding-right: 14px;
    box-sizing: border-box;
    overflow-x: hidden;
  }

  main {
    padding: 1.2rem 1rem;
    box-sizing: border-box;
    width: 100%;
    overflow-x: hidden;
  }

  p {
    margin-left: 0;
    margin-right: 0;
    font-size: 0.95rem;
  }

  .card {
    width: 100%;
    margin-left: auto;
    margin-right: auto;
    box-sizing: border-box;
  }

  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
    width: 100%;
    box-sizing: border-box;
  }

  thead {
    display: none;
  }

  tr {
    margin: 1rem 0;
    background-color: rgba(30, 35, 60, 0.7);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    box-shadow: 0 0 10px var(--color-shadow);
    padding: 1rem;
  }

  td {
    text-align: left;
    padding: 0.7rem;
    font-size: 0.95rem;
    border: none;
    width: 100%;
  }

  td::before {
    content: attr(data-label);
    font-weight: 700;
    display: block;
    margin-bottom: 0.3rem;
    color: var(--color-accent);
  }
}