:root {
  --black: #0a0a0a;
  --blue-detail: #00ccffaf;
  --text: #d8d8d8;
  --font-serif: 'Georgia', serif;
  --dark: #111;
  --text-muted: #ccc;
  --font-sans: 'Segoe UI', sans-serif;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-serif);
  background-color: var(--black);
  color: var(--text);
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  line-height: 1.6;
}

/* Header */
header {
  background-color: var(--dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 2vh 5vw;
  border-bottom: 0.2vh solid var(--blue-detail);
  flex-wrap: wrap;
  gap: 2vw;
  box-shadow: 0 0.3vh 0.5vh rgba(0,204,255,0.1);
}

.logo img {
  height: 8vh;
  width: auto;
  max-height: 12vh;
  cursor: pointer;
}

nav .menu {
  list-style: none;
  display: flex;
  gap: 3vw;
  padding: 0;
  margin: 0;
  flex-wrap: wrap;
}

nav .menu li a {
  text-decoration: none;
  color: var(--text);
  font-weight: bold;
  font-size: 1.2rem;
  position: relative;
  transition: color 0.3s ease;
}

nav .menu li a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--blue-detail);
  transition: width 0.3s ease;
}

nav .menu li a:hover {
  color: var(--blue-detail);
}

nav .menu li a:hover::after {
  width: 100%;
}

/* Main / Contact Table / Footer */
main {
  flex-grow: 1;
  padding: 5vh 5vw;
  max-width: 90vw;
  margin: auto;
}

h2 {
  color: var(--blue-detail);
  font-size: 2.5rem;
  margin-bottom: 3vh;
  text-align: center;
}

.contact-table-section {
  max-width: 90%;
  margin: 0 auto;
  background-color: #1a1a1a; 
  border: 0.3vh solid var(--blue-detail);
  border-radius: 2vh;
  padding: 3vh 5vw;
  box-shadow: 0 0 1.5vh rgba(48, 48, 48, 0.4); 
  overflow-x: auto; 
  transition: transform 0.3s, box-shadow 0.3s;
}

.contact-table-section:hover {
  transform: translateY(-3px);
  box-shadow: 0 0 2vh rgba(0,204,255,0.5);
}

.contact-table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
  font-size: 1.3rem;
  color: var(--text);
  min-width: 300px; 
}

.contact-table th,
.contact-table td {
  border: 0.2vh solid var(--blue-detail);
  padding: 1.5vh 2vw;
}

.contact-table th {
  background-color: var(--blue-detail);
  color: var(--black);
}

.contact-table td {
  background-color: #1a1a1a; 
}

footer {
  text-align: center;
  padding: 4vh 0;
  font-size: 1rem;
  color: var(--blue-detail);
  border-top: 0.2vh solid var(--blue-detail);
  margin-top: auto;
  box-shadow: 0 -0.2vh 0.5vh rgba(0,204,255,0.1);
}

/* Responsive */
@media (max-width: 768px) {
  header {
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 2vh;
  }

  .logo img {
    height: 6vh;
    max-height: 8vh;
  }

  nav .menu {
    flex-direction: column;
    gap: 2vh;
    align-items: center;
  }

  nav .menu li a {
    font-size: 1rem;
  }

  h2 {
    font-size: 2rem;
  }

  .contact-table {
    font-size: 1rem;
  }

  footer {
    font-size: 0.9rem;
    padding: 3vh 0;
  }
}

@media (max-width: 480px) {
  body {
    font-size: 0.9rem;
  }

  header {
    padding: 1.5vh 3vw;
  }

  nav .menu li a {
    font-size: 0.95rem;
  }

  h2 {
    font-size: 1.6rem;
  }

  .contact-table {
    font-size: 0.9rem;
  }
}




header {
  position: sticky;
  top: 0;
  z-index: 100;
}