/* =========================
   FONTES
========================= */
h1 {
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  color: rgb(4, 49, 7);
}

h2 {
  font-family: 'Inter', sans-serif;
  font-weight: 600;
  color: rgb(4, 49, 7);
}

p {
  font-family: 'Inter', sans-serif;
  font-weight: 300;
}

/* =========================
   BODY E BACKGROUND
========================= */
body {
  margin: 0;
  min-height: 100vh;
  background-color: #3c3e41;
  background-image:
    radial-gradient(circle at 20% 80%, rgba(13, 95, 13, 0.582) 0%, transparent 50%),
    radial-gradient(circle at 70% 50%, rgba(241, 118, 2, 0.4) 0%, transparent 80%),
    radial-gradient(circle at 80% 20%, rgba(21, 179, 171, 0.438) 0%, transparent 40%);
  background-blend-mode: screen;
  background-repeat: no-repeat;
  background-size: cover;
}

/* =========================
   CONTAINER DE FLIP
========================= */
.flip-container {
  perspective: 1000px;
  width: 100%;
  max-width: 500px;
  position: relative;
  margin: auto;
  display: flex;
  justify-content: flex-start;
  align-items: flex-start;
}

.flipper {
  transition: transform 0.6s ease;
  transform-style: preserve-3d;
  position: relative;
  width: 100%;
  min-height: 650px;
  transform-origin: center center;
}

.flipped {
  transform: rotateY(180deg);
}

/* =========================
   FACES DO CARD
========================= */
.front,
.back {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  border-radius: 1rem;
  background: #FFFFFF;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding: 2rem;
  box-sizing: border-box;
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
}

.back {
  transform: rotateY(180deg);
}

/* =========================
   GRUPO DE BOTÕES
========================= */
.button-group {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  width: 100%;
  margin-top: auto;
  padding: 0;
  box-sizing: border-box;
}

/* =========================
   BOTÕES PRINCIPAIS
========================= */
.front button,
.front a,
.back button,
.back a {
  display: inline-block;
  min-width: 120px;      /* largura mínima menor */
  max-width: 200px;      /* evita excesso de largura */
  white-space: nowrap;   /* impede quebra do texto */
  text-align: center;
  padding: 0.45rem 0.9rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.3s ease;
}

.front button:hover,
.front a:hover,
.back button:hover,
.back a:hover {
  filter: brightness(0.85);
}

/* =========================
   BOTÃO DE IDIOMA
========================= */
#btnLanguage {
  background-color: #1d8348;
  color: #fff;
  border: none;
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
  font-weight: 600;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

#btnLanguage:hover {
  background-color: #239b56;
}
/* =========================
   ÍCONES DE REDES SOCIAIS
========================= */
.social-icons {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.2rem; /* ícones próximos */
  margin-top: 1rem;
}

.social-icons a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 2rem;       /* tamanho menor do container */
  height: 2rem;
  border-radius: 50%; /* mantém círculo */
  background: none;   /* remove a caixa branca */
  box-shadow: none;   /* remove sombra */
  transition: all 0.3s ease;
}

.social-icons a img {
  width: 47%;      /* ícone ocupa todo o container */
  height: auto;
}

.social-icons a:hover {
  transform: scale(1.1);
}

/* =========================
   RESPONSIVIDADE
========================= */
@media (max-width: 640px) {
  .social-icons a {
    width: 1.8rem;   /* menor no mobile */
    height: 1.8rem;
  }

  .social-icons {
    gap: 0.15rem;   /* ícones mais próximos */
  }
}


/* =========================
   TELAS DE PROJETOS, BADGES E SOBRE MIM
========================= */
#projectsScreen,
#badgesScreen,
#aboutScreen {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  background: #FFFFFF;
  border-radius: 1rem;
  box-shadow: 0 10px 15px rgba(0,0,0,0.1);
  padding: 1rem;
  z-index: 50;
  width: 600px;
  min-height: 520px;
  opacity: 0;
  pointer-events: none;
  transition: all 0.4s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
}

#projectsScreen.active,
#badgesScreen.active,
#aboutScreen.active {
  opacity: 1;
  width: 650px;
  min-height: 570px;
  pointer-events: auto;
}

/* =========================
   FILTER BAR
========================= */
#filterBar {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

/* =========================
   BADGES
========================= */
#badgesScreen img {
  width: 80px;
  height: auto;
  margin: 0.5rem;
  max-width: 20%;
  object-fit: contain;
  transition: transform 0.3s ease;
}

#badgesScreen.active .badge-wave {
  animation: wave 1s ease-in-out forwards;
}

#badgesScreen.active img:nth-child(1) { animation-delay: 0.2s; }
#badgesScreen.active img:nth-child(2) { animation-delay: 0.4s; }
#badgesScreen.active img:nth-child(3) { animation-delay: 0.6s; }

#badgesScreen img:hover {
  transform: scale(1.1);
}

@keyframes wave {
  0%   { transform: translateY(0); }
  50%  { transform: translateY(-15px); }
  100% { transform: translateY(0); }
}

/* =========================
   RESPONSIVIDADE
========================= */
@media (max-width: 640px) {
  #projectsScreen,
  #projectsScreen.active,
  #badgesScreen,
  #badgesScreen.active,
  #aboutScreen,
  #aboutScreen.active {
    width: 95%;
    min-height: 580px;
    padding: 1rem;
  }

  h1, h2, p {
    text-align: center;
  }

  .flip-container {
    max-width: 95%;
  }

  .front button,
  .front a,
  .back button,
  .back a {
    min-width: 100px;
    max-width: 90%;
    padding: 0.4rem 0.8rem;
    font-size: 0.75rem;
  }

  #btnLanguage {
    font-size: 0.75rem;
    padding: 0.4rem 1rem;
  }

  .social-icons {
    gap: 0.35rem;
  }

  .social-icons a {
    width: 32px;
    height: 32px;
  }
}