:root {
  --bg: #0a0a0a;
  --panel: rgba(255, 255, 255, 0.03);
  --text: #f5f5f7;
  --accent: #9b79d3;
  --accent-strong: #7a53b3;
  --radius: 12px;
}

/* Reset básico */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* Sidebar */
.sidebar {
  position: fixed;
  top: 50%;
  left: 16px;
  transform: translateY(-50%);
  background: linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));
  border-radius: 14px;
  padding: 12px;
  border: 1px solid rgba(255,255,255,0.04);
  min-width: 120px;
}
.sidebar ul { list-style: none; }
.sidebar li { margin: 8px 0; }
.sidebar a {
  display: block;
  padding: 6px 10px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text);
  text-decoration: none;
  transition: background .18s, color .18s, transform .12s;
}
.sidebar a:hover,
.sidebar a:focus {
  background: rgba(155,121,211,0.09);
  color: var(--accent-strong);
  transform: translateX(4px);
}
.sidebar a.active {
  background: rgba(155,121,211,0.12);
  color: var(--accent);
}

/* Container principal */
.container {
  max-width: 960px;
  margin: 36px auto;
  padding: 20px;
  padding-left: 180px; 
}

/* Cards */
.card {
  background: var(--panel);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 22px;
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: 0 6px 18px rgba(0,0,0,0.6);
}

/* Grid de duas colunas */
.grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}

/* Perfil e Imagem */
.img-circle {
  width: 152px;
  height: 152px;
  object-fit: cover;
  border-radius: 50%;
  border: 4px solid rgba(155,121,211,0.18);
  display: block;
  margin: 0 auto 14px;
}

.profile h1 {
  font-size: 2rem;
  margin-bottom: 8px;
}
.profile h2 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--accent-strong);
  margin-bottom: 12px;
}

.lead {
  color: #e8e6eb;
  opacity: 0.95;
}

/* Habilidades e Interesses */
.skills-list {
  list-style: disc;
  margin-left: 18px;
  color: var(--text);
  opacity: 0.95;
}
.skills-list li { margin: 6px 0; }

/* Portfólio */
.portfolio-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  margin-top: 16px;
}
.portfolio-item {
  background: var(--panel);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid rgba(255,255,255,0.03);
  box-shadow: 0 4px 14px rgba(0,0,0,0.4);
  transition: transform 0.25s ease;
}
.portfolio-item.destaque { flex: 2 1 60%; }
.portfolio-item.pequena { flex: 1 1 36%; }
.portfolio-item img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.25s ease;
}
.portfolio-item:hover img { transform: scale(1.03); }
.proj-info { padding: 12px; }
.proj-info h3 { font-size: 1.1rem; margin-bottom: 6px; }
.proj-info p { font-size: 0.95rem; opacity: 0.85; }

/* Formulários */
.form-group {
  margin-bottom: 14px;
}
.form-group label {
  display: block;
  margin-bottom: 6px;
  font-weight: 600;
  color: #e7e4ea;
}
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid rgba(255, 255, 255, 0.06);
  background: rgba(0,0,0,0.28);
  color: var(--text);
}
.form-group input:focus,
.form-group textarea:focus {
  outline: 3px solid rgba(123,77,188,0.18);
  border-color: var(--accent);
}

/* Botões */
.btn-primary {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 5px;
  background: linear-gradient(90deg, var(--accent), var(--accent-strong));
  color: #ffffff;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: background .2s;
}
.btn-primary:hover { background: var(--accent-strong); }
.btn-primary:focus { outline: 3px solid rgba(155,121,211,0.18); }

/* Textos gerais */
h1, h2, h3 { color: var(--text); }
h1 { font-size: 1.8rem; margin-bottom: 8px; }
p { margin-bottom: 8px; opacity: 0.95; }

/* Rodapé */
.footer {
  text-align: center;
  padding: 18px;
  margin-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 0.92rem;
  color: #cfc9d7;
}

/* Responsividade */
@media (max-width:880px) {
  .sidebar {
    position: static;
    transform: none;
    margin: 12px auto;
    display: flex;
    justify-content: center;
    border-radius: 10px;
  }
  .container {
    padding-left: 20px;
  }
  .grid-2col {
    grid-template-columns: 1fr;
    gap: 14px;
  }
  .img-circle {
    width: 120px;
    height: 120px;
  }
  .portfolio-item.destaque, 
  .portfolio-item.pequena {
    flex: 1 1 100%;
  }
  .portfolio-item img {
    height: 160px;
  }
}