.avatar {
    width: 100%;
    border-radius: 12px;
    background: #0b1220
}

/* HERO */
.hero {
  position: relative;
  min-height: 52vh;
  border-radius: 16px;
  margin: 1.25rem 0 2rem;
  background: #111 center / cover no-repeat url("../assets/img/hero.png");
  display: grid;
  place-items: center;
  overflow: hidden;
}
.hero__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.35), rgba(0,0,0,.55));
}
.hero__content {
  position: relative; z-index: 1;
  text-align: center;
  max-width: 900px;
  padding: 1rem;
}
.hero__title {
  margin: 0 0 .5rem;
  font-size: clamp(1.8rem, 3.8vw, 3rem);
  color: #fff;
  letter-spacing: .5px;
}
.hero__subtitle {
  margin: 0 auto 1.25rem;
  color: #f1f1f1;
  opacity: .95;
  line-height: 1.45;
}
.btn {
  display: inline-block;
  padding: .6rem 1rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 600;
}
.btn--light {
  background: rgba(255,255,255,.9);
  color: #111;
  transition: transform .12s ease, background .12s ease;
}
.btn--light:hover { transform: translateY(-1px); background: #fff; }

/* Cards e imagens */
.repo-thumb, .avatar {
  width: 100%;
  max-width: 340px;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  background: #0f1620;
}
.author {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: center;
}
.author .avatar { width: 140px; height: 140px; border-radius: 50%; }

/* Responsivo */
@media (max-width: 820px) {
  .hero { min-height: 44vh; }
  .author { grid-template-columns: 1fr; text-align: center; }
  .author .avatar { margin: 0 auto; }
}

section.section a {
    color: #a8d0ff;          /* azul claro */
    text-decoration: none;   /* sem sublinhado */
}

section.section a:hover {
    color: #ffffff;          /* branco ao passar o mouse */
    text-decoration: underline;
}