:root {
  --bg-dark: #121212;
  --bg-light: #1c1c1c;
  --text-main: #eaeaea;
  --text-muted: #b0b0b0;
  --accent: #f28c28;
}

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

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
}

section {
  padding: 80px 20px;
  max-width: 1100px;
  margin: auto;
}

h1, h2, h3 {
  font-weight: 700;
}

h1 {
  font-size: 2.6rem;
  margin-bottom: 20px;
}

h2 {
  font-size: 2rem;
  margin-bottom: 40px;
}

p {
  color: var(--text-muted);
  max-width: 700px;
}

.hero {
  text-align: center;
  padding-top: 120px;
}

.hero p {
  margin: 20px auto 40px;
  font-size: 1.1rem;
}

.cta {
  display: inline-block;
  background: var(--accent);
  color: #000;
  padding: 14px 28px;
  border-radius: 6px;
  font-weight: 600;
  text-decoration: none;
  transition: transform .2s ease, opacity .2s ease;
}

.cta:hover {
  transform: translateY(-2px);
  opacity: .9;
}

.microcopy {
  margin-top: 10px;
  font-size: .85rem;
  color: var(--text-muted);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 30px;
}

.card {
  background: var(--bg-light);
  padding: 30px;
  border-radius: 8px;
}

.card h3 {
  margin-bottom: 10px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 60px;
  padding: 120px 20px 80px;
}

.hero-image img {
  width: 100%;
  height: auto;
  opacity: 0.85;
  
}

.portfolio h2 {
  margin-bottom: 40px;
}

.portfolio .card img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 15px;
  filter: grayscale(100%);
  opacity: 0.9;
  transition: filter 0.2s ease, opacity 0.2s ease;
  filter: grayscale(100%);
}

.portfolio .card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.portfolio .card h3 {
  margin-bottom: 10px;
}

.portfolio .card p {
  font-size: 0.95rem;
}


footer {
  text-align: center;
  padding: 40px 20px;
  border-top: 1px solid #2a2a2a;
  font-size: .9rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .hero {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-image {
    display: none;
  }
  .portfolio {
    gap: 2rem;
  }
  .portfolio-item img {
    max-height: 30vh;      /* chave da solução */
    object-fit: cover;
  }
  .portfolio-info h3 {
    font-size: 1.1rem;
  }

  .portfolio-info p {
    font-size: 0.9rem;
    line-height: 1.4;
  }
}
@media (hover: none) {
  .portfolio-item:hover img {
    filter: none;
    transform: none;
  }
}