body {
  font-family: Arial, Helvetica, sans-serif;
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: linear-gradient(to right, #c7e0f8, #cdd1f1);
  color: var(--secondary-color);
  display: flex;
  flex-direction: column;
  text-align: center;
  box-sizing: border-box;
}

*,
*::before,
*::after {
  box-sizing: inherit;
}

main.container {
  width: min(100%, 1200px);
  margin: 0 auto;
  padding: 1rem;
}

nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  background-color: var(--nav-footer);
}

nav li {
  margin: 0;
}

nav a {
  display: inline-block;
  padding: 14px 18px;
  color: var(--primary-color);
  text-decoration: none;
  transition: background-color 0.3s;
}

nav a:hover {
  background-color: var(--nav-hover);
  border-radius: 12px;
  box-shadow: 0 4px 8px rgba(97, 218, 251, 0.2);
}

.container-carousel {
  width: 100%;
  margin: 0 auto 2rem;
}

.projeto-container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem;
}

.projeto-video video,
.projeto-video img {
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-radius: 12px;
}

.btn-projeto {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 18px;
  border-radius: 10px;
  background-color: var(--btn-back-border);
  color: var(--white);
  text-decoration: none;
  transition:
    background-color 0.3s,
    transform 0.2s;
}

.btn-projeto:hover {
  background-color: var(--btn-hover);
  transform: translateY(-2px);
}

:root {
  --primary-color: #61dafb;
  --secondary-color: #282c34;
  --white: #fff;
  --card-background: #ccc;
  --background: #f8f9fa;
  --card-color: #333;
  --color-zap: #25d366;
  --color-zap-hover: #98e2b3;
  --nav-footer: #2e333d;
  --nav-hover: #444;
  --border: #e0e0e0;
  --icon-git: #d83a00;
  --bootstrap: #264de4;
  --btn-back-border: #3b869b;
  --btn-hover: #41a0bd;
}

@media (max-width: 992px) {
  .carousel-card-center {
    padding: 16px;
  }

  .carousel-text-center h5 {
    font-size: 1.3rem;
  }

  .carousel-text-center p {
    font-size: 0.95rem;
  }
}

@media (max-width: 768px) {
  nav ul {
    flex-direction: column;
    align-items: center;
  }

  nav a {
    width: 100%;
    max-width: 360px;
    border-radius: 0;
  }

  .btn-voltar {
    position: relative;
    top: 0;
    left: 0;
    width: auto;
    margin: 0 0 1.5rem;
  }

  .row {
    gap: 1.5rem;
  }

  .projeto-info,
  .projeto-video {
    width: 100%;
  }

  .projeto-info {
    order: 2;
  }

  .projeto-video {
    order: 1;
  }

  .container-tecnologias {
    padding: 1.5rem;
  }

  .tech-icon {
    flex: 0 1 40%;
  }

  .contato-container {
    margin: 1.5rem auto;
    padding: 1.8rem;
  }

  .redes-sociais {
    gap: 1rem;
  }

  .certificados-section {
    padding: 2rem 1rem;
  }

  .titulo-principal {
    font-size: 2rem;
  }
}

@media (max-width: 576px) {
  .nome-completo {
    font-size: 2rem;
    white-space: normal;
  }

  .btn-voltar {
    width: 100%;
    text-align: center;
  }

  .social-card {
    width: 100%;
    max-width: 240px;
  }

  .carousel-control-prev,
  .carousel-control-next {
    display: none;
  }
}