/* --- paleta de cores --- */
:root{
  --fundo:#0a0a0a;--destaque:#6c63ff;--secundario:#00aaff;--texto-branco:#ffffff;--texto-cinza:#cccccc;--whatsapp-azul:#004466;
}

/* reset */
*{margin:0;padding:0;box-sizing:border-box;}
body{background:var(--fundo);color:var(--texto-branco);font-family:'Segoe UI',Tahoma,Geneva,Verdana,sans-serif;scroll-behavior:smooth;overflow-x:hidden;}
a{color:var(--texto-branco);text-decoration:none;transition:0.3s;}a:hover{color:var(--destaque);text-shadow:0 0 8px var(--destaque);}

/* --- nav --- */
nav{position:fixed;top:0;width:100%;background:rgba(10,10,10,0.95);display:flex;justify-content:center;gap:2rem;padding:1rem 0;z-index:1000;font-weight:bold;flex-wrap:nowrap;box-shadow:0 2px 10px rgba(0,0,0,0.7);}
nav button{background:none;border:none;color:var(--texto-cinza);font-size:1rem;cursor:pointer;padding:0.25rem 0.5rem;transition:0.3s;}
nav button:hover,nav button:focus{color:var(--destaque);text-shadow:0 0 8px var(--destaque);outline:none;}

/* Hamburger */
#menu-toggle{display:none;position:fixed;top:1rem;right:1rem;width:35px;height:30px;cursor:pointer;z-index:1101;flex-direction:column;justify-content:space-between;}
#menu-toggle span{display:block;height:4px;background:var(--texto-branco);border-radius:2px;transition:all 0.3s;}
#menu-toggle.open span:nth-child(1){transform:rotate(45deg) translate(6px,6px);}
#menu-toggle.open span:nth-child(2){opacity:0;}
#menu-toggle.open span:nth-child(3){transform:rotate(-45deg) translate(6px,-6px);}

/* Seções */
section{padding:6rem 2rem 4rem;max-width:900px;margin:0 auto;min-height:100vh;display:flex;flex-direction:column;justify-content:center;}
.fade-in{opacity:0;transform:translateY(20px);transition:0.8s;}
.fade-in.visible{opacity:1;transform:translateY(0);}

/* Hero */
#hero {
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 2rem;
  box-sizing: border-box;
  background: linear-gradient(135deg, var(--destaque), var(--secundario));
  background-size: 400% 400%;
  animation: gradientBG 15s ease infinite;
  padding-top: 6rem;
}

#hero h1 {
  font-size: clamp(2rem, 6vw, 4rem); /* tamanho responsivo */
  font-weight: 900;
  overflow: hidden;
  border-right: 0.15em solid var(--texto-branco);
  width: 22ch;      /* desktop */
  max-width: 90%;   /* nunca ultrapassa 90% da tela */
  margin: 0 auto;
  white-space: nowrap;
  animation: typing 4s steps(25) forwards, blink 0.75s step-end infinite;
}

@keyframes typing {
  from { width: 0; }
  to { width: 22ch; }
}

@keyframes blink {
  50% { border-color: transparent; }
}

@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Texto descritivo e botão */
#hero p {
  font-size: 1.25rem;
  color: var(--texto-cinza);
  margin: 1rem 0 2rem;
}

/* Botão */
#hero button {
  background: var(--destaque);
  border: none;
  padding: 1rem 2rem;
  color: var(--texto-branco);
  border-radius: 30px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 10px var(--destaque);
  transition: 0.3s;
}
#hero button:hover {
  animation: brilho 1.5s infinite;
  box-shadow: 0 0 20px 5px var(--destaque);
}
@keyframes brilho {
  0%, 100% { box-shadow: 0 0 20px 5px var(--destaque); }
  50% { box-shadow: 0 0 40px 10px var(--destaque); }
}

/* Mobile */
@media (max-width: 768px) {
  #hero h1 {
    font-size: 2rem;
    width: 90%;               /* ocupa quase toda a tela */
    max-width: 100%;
    white-space: normal;      /* quebra linha se necessário */
    border-right: 0.15em solid var(--texto-branco);
    animation: typingMobile 4s steps(25) forwards, blink 0.75s step-end infinite;
  }
}

@keyframes typingMobile {
  from { width: 0; }
  to { width: 90%; } /* anima até 90% da tela */
}
/* Sobre mim */
#sobre{display:flex;flex-wrap:wrap;gap:2rem;align-items:center;}
#sobre img{width:180px;height:180px;border-radius:50%;object-fit:cover;box-shadow:0 0 15px var(--destaque);transition:0.5s;}
#sobre img:hover{box-shadow:0 0 25px 5px var(--destaque);transform:scale(1.05);animation:pulse 2s infinite;}
@keyframes pulse{0%,100%{transform:scale(1.05);}50%{transform:scale(1.1);}}
#sobre div{flex:1;min-width:250px;font-size:1.1rem;line-height:1.5;}

/* Info cards */
.info-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}
.info-card, .card {
  flex: 1 1 200px; /* cresce e encolhe conforme a tela */
  min-width: 150px; /* evita ficar muito pequeno */
}
.info-cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-top:1rem;}
.info-card{background:#111;padding:1rem 1.5rem;border-radius:15px;box-shadow:0 0 10px rgba(108,99,255,0.5);transition:0.5s;font-size:1.1rem;cursor:default;position:relative;overflow:hidden;}
.info-card span{font-weight:bold;color:var(--destaque);}
.info-card:hover{transform:translateY(-5px) scale(1.05);box-shadow:0 0 25px 5px var(--destaque);}

/* Flip cards habilidades */
.flip-card{perspective:1000px;}
.flip-card .card-front,.flip-card .card-back{padding:1rem;background:#111;border-radius:12px;color:var(--texto-branco);text-align:center;backface-visibility:hidden;transition:transform 0.6s;box-shadow:0 0 10px rgba(0,0,0,0.5);}
.flip-card .card-back{transform:rotateY(180deg);color:var(--destaque);}
.flip-card:hover .card-front{transform:rotateY(180deg);}
.flip-card:hover .card-back{transform:rotateY(0deg);}
/* Cards de habilidades */
.card {
  background: #111;
  border-radius: 12px;
  padding: 1rem;
  text-align: center;
  color: var(--texto-branco);
  font-weight: 600;
  font-size: 1rem;
  box-shadow: 0 0 10px #222;
  cursor: pointer;
  transition: transform 0.5s ease, box-shadow 0.5s ease, color 0.3s ease;
  transform-style: preserve-3d;
  position: relative;
}

.card:hover,
.card:focus {
  transform: rotateY(15deg) rotateX(10deg) scale(1.1);
  box-shadow: 0 0 20px 5px var(--destaque);
  color: var(--destaque);
  outline: none;
}

/* WhatsApp */
#whatsapp-btn{position:fixed;bottom:20px;right:20px;background:var(--whatsapp-azul);width:60px;height:60px;border-radius:50%;box-shadow:0 0 15px var(--whatsapp-azul);display:flex;justify-content:center;align-items:center;cursor:pointer;animation:pulseWhatsapp 3s infinite;z-index:1100;border:2px solid var(--destaque);}
#whatsapp-btn:hover{box-shadow:0 0 25px 10px var(--destaque);}
@keyframes pulseWhatsapp{0%,100%{box-shadow:0 0 15px var(--whatsapp-azul);}50%{box-shadow:0 0 30px 10px var(--whatsapp-azul);}}

/* Footer */
footer{background:#111;color:var(--texto-cinza);text-align:center;padding:1.5rem 1rem;font-size:0.9rem;margin-top:4rem;}
footer a:hover{color:var(--destaque);text-shadow:0 0 8px var(--destaque);}

/* Canvas de partículas cobre todo o site, atrás do conteúdo */
#particle-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none; /* Permite clicar nos elementos acima */
  z-index: 0; /* Fica atrás do conteúdo */
}
/* Celular */
@media (max-width: 768px) {
  #sobre {
    flex-direction: column;
    text-align: center;
  }
  .info-cards {
    flex-direction: column;
    gap: 0.75rem;
  }
  #hero h1 {
    font-size: 2rem;
  }
}

/* Tablet */
@media (min-width: 769px) and (max-width: 1024px) {
  #hero h1 {
    font-size: 2.5rem;
  }
}
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    gap: 1rem;
    background: rgba(10,10,10,0.95);
    position: fixed;
    top: 0;
    right: -100%; /* escondido por padrão */
    height: 100vh;
    width: 250px;
    padding-top: 5rem;
    transition: right 0.3s ease;
  }
  nav.open {
    right: 0;
  }
  #menu-toggle {
    display: flex;
  }
}
@keyframes gradientBG {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Texto descritivo e botão */
#hero p {
  font-size: 1.25rem;
  color: var(--texto-cinza);
  margin: 1rem 0 2rem;
}
#hero button {
  background: var(--destaque);
  border: none;
  padding: 1rem 2rem;
  color: var(--texto-branco);
  border-radius: 30px;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 0 10px var(--destaque);
  transition: 0.3s;
}
#hero button:hover {
  animation: brilho 1.5s infinite;
  box-shadow: 0 0 20px 5px var(--destaque);
}
@keyframes brilho {
  0%, 100% { box-shadow: 0 0 20px 5px var(--destaque); }
  50% { box-shadow: 0 0 40px 10px var(--destaque); }
}