:root {
  --fundo: #09090b;
  --superficie: #18181b;
  --superficie-2: #27272a;
  --borda: #3f3f46;
  --destaque: #2563eb;
  --destaque-hover: #3b82f6;
  --texto: #e4e4e7;
  --texto-suave: #a1a1aa;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--fundo);
  background-image: radial-gradient(circle, #3f3f4660 1px, transparent 1px);
  background-size: 32px 32px;
  color: var(--texto);
  line-height: 1.6;
}

/* ── Header ── */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  background: rgba(9, 9, 11, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--borda);
}

.logo {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--destaque);
  text-decoration: none;
  letter-spacing: 0.1em;
  padding: 0.3rem 0.6rem;
  border: 1px solid var(--destaque);
  border-radius: 6px;
  transition: background 0.2s;
}

.logo:hover {
  background: rgba(37, 99, 235, 0.1);
}

nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

nav a {
  color: var(--texto-suave);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s;
}

nav a:hover {
  color: var(--texto);
}

.btn-header-cv {
  background: var(--destaque) !important;
  color: #fff !important;
  padding: 0.375rem 0.875rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.8rem !important;
  letter-spacing: 0.03em;
  transition: background 0.2s !important;
}

.btn-header-cv:hover {
  background: var(--destaque-hover) !important;
}

/* ── Hero ── */
.hero {
  display: flex;
  align-items: center;
  gap: 4rem;
  max-width: 900px;
  margin: 0 auto;
  padding: 6rem 2rem 4rem;
  animation: fadeInUp 0.5s ease both;
}

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── Avatar ── */
.avatar-wrapper {
  flex-shrink: 0;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  position: relative;
  box-shadow: 0 0 0 2px var(--destaque), 0 0 28px rgba(37, 99, 235, 0.25);
}

.avatar-img {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}

.avatar-fallback {
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: var(--superficie-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--destaque);
  position: absolute;
  top: 0;
  left: 0;
}

/* ── Hero Text ── */
.greeting {
  color: var(--destaque);
  font-size: 0.875rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.hero-content h1 {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: 0.4rem;
  background: linear-gradient(135deg, var(--texto) 30%, var(--destaque) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.role {
  color: var(--texto-suave);
  font-size: 1.05rem;
  font-weight: 500;
  margin-bottom: 1.25rem;
}

.bio {
  color: var(--texto-suave);
  font-size: 0.95rem;
  max-width: 460px;
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* ── Buttons ── */
.grupo-botoes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1.25rem;
  border-radius: 8px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s, transform 0.15s;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn-outline {
  background: var(--superficie);
  border: 1px solid var(--borda);
  color: var(--texto-suave);
}

.btn-outline.btn-linkedin:hover  { border-color: #0a66c2; color: #0a66c2; background: rgba(10, 102, 194, 0.08); }
.btn-outline.btn-github:hover    { border-color: var(--texto); color: var(--texto); background: rgba(228, 228, 231, 0.06); }
.btn-outline.btn-whatsapp:hover  { border-color: #25d366; color: #25d366; background: rgba(37, 211, 102, 0.08); }

.btn-solid {
  background: var(--destaque);
  border: 1px solid var(--destaque);
  color: #fff;
}

.btn-solid:hover {
  background: var(--destaque-hover);
  border-color: var(--destaque-hover);
}

/* ── Skills ── */
.habilidades {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--borda);
}

.habilidades h2,
.projetos h2 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.habilidades h2::before,
.projetos h2::before {
  content: '';
  display: inline-block;
  width: 4px;
  height: 1.1em;
  background: var(--destaque);
  border-radius: 2px;
  flex-shrink: 0;
}

.secao-descricao {
  color: var(--texto-suave);
  font-size: 0.9rem;
  margin-bottom: 2rem;
  padding-left: calc(4px + 0.75rem);
}

.grade-skills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.skill-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.375rem 0.875rem;
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--texto-suave);
  transition: border-color 0.2s, color 0.2s;
  cursor: default;
}

.skill-badge:hover {
  border-color: var(--destaque);
  color: var(--destaque);
}

.skill-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.skill-badge--invert .skill-icon {
  filter: brightness(0) invert(0.7);
}

.skill-badge--invert:hover .skill-icon {
  filter: brightness(0) saturate(100%) invert(35%) sepia(90%) saturate(500%) hue-rotate(195deg);
}

/* ── Projects ── */
.projetos {
  max-width: 900px;
  margin: 0 auto;
  padding: 4rem 2rem;
  border-top: 1px solid var(--borda);
}

.grade-projetos {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.25rem;
}

.card {
  background: var(--superficie);
  border: 1px solid var(--borda);
  border-radius: 12px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--destaque);
  box-shadow: 0 8px 32px rgba(37, 99, 235, 0.15);
}

.card-imagem {
  width: 100%;
  height: 180px;
  overflow: hidden;
  background: var(--superficie-2);
}

.card-imagem img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.card:hover .card-imagem img {
  transform: scale(1.04);
}

.card-imagem-contem img {
  object-fit: contain;
  padding: 1.5rem;
}

.card-info {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-tag {
  font-size: 0.7rem;
  color: var(--destaque);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.card-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.4rem 0 0.5rem;
}

.card-info p {
  font-size: 0.85rem;
  color: var(--texto-suave);
  line-height: 1.6;
  flex: 1;
  margin-bottom: 1.25rem;
}

.card-link {
  color: var(--destaque);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: color 0.2s, letter-spacing 0.2s;
  margin-top: auto;
}

.card-link:hover {
  color: var(--destaque-hover);
  letter-spacing: 0.02em;
}

/* ── Contact ── */
.contato {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  padding: 5rem 2rem;
  border-top: 1px solid var(--borda);
}

.contato h2 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.contato p {
  color: var(--texto-suave);
  font-size: 0.95rem;
  margin-bottom: 2.5rem;
}

.contato .grupo-botoes {
  justify-content: center;
}

/* ── Footer ── */
footer {
  text-align: center;
  padding: 1.5rem 2rem;
  color: var(--texto-suave);
  font-size: 0.8rem;
  border-top: 1px solid var(--borda);
}

footer a {
  color: var(--texto-suave);
  text-decoration: none;
  transition: color 0.2s;
}

footer a:hover {
  color: var(--destaque);
}

/* ── Responsive ── */
@media (max-width: 640px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding: 4rem 1.5rem 3rem;
    gap: 2rem;
  }

  .bio {
    margin: 0 auto 2rem;
  }

  .grupo-botoes {
    justify-content: center;
  }

  .hero-content h1 {
    font-size: 2.25rem;
  }

  .habilidades h2::before,
  .projetos h2::before {
    display: none;
  }

  .secao-descricao {
    padding-left: 0;
  }

  header {
    padding: 0.875rem 1.25rem;
  }

  nav {
    gap: 0.875rem;
  }
}