#s1 {
  background: var(--bg);
  position: relative;
}

.s1-bg {
  position: absolute;
  inset: 0;
  background-image: url('../../assets/fundo-background.png');
  background-size: cover;
  background-position: center center;
  background-repeat: no-repeat;
  z-index: 0;
}

.s1-overlay {
  position: absolute;
  inset: 0;
  background: rgba(8, 8, 8, 0.75);
  z-index: 1;
}

#s1 .section-inner {
  position: relative;
  z-index: 2;
  padding-top: 80px;
}

#s1 h1 {
  color: var(--fg);
  margin-bottom: 2rem;
}

.s1-sub {
  font-size: clamp(15px, 1.3vw, 20px);
  color: rgba(240, 240, 240, 0.65);
  max-width: 480px;
  line-height: 1.6;
  margin-bottom: 3rem;
}

.s1-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  flex-wrap: wrap;
}

.s1-btn-primary {
  background: var(--accent);
  color: #080808;
  font-family: inherit;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 14px 32px;
  border: none;
  border-radius: 2px;
  cursor: pointer;
  transition: opacity 0.2s, transform 0.2s;
}

.s1-btn-primary:hover {
  opacity: 0.88;
  transform: translateY(-1px);
}

.s1-btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: rgba(240, 240, 240, 0.6);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.2s;
}

.s1-btn-ghost:hover {
  color: var(--fg);
}

.s1-btn-ghost .material-icons {
  font-size: 18px;
}

@media (max-width: 768px) {
  .s1-bg {
    background-position: right center;
  }
}

.s1-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  z-index: 2;
  color: rgba(240, 240, 240, 0.3);
  animation: s1-bounce 2s infinite;
}

.s1-scroll-hint .material-icons {
  font-size: 32px;
}

@keyframes s1-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

@media (max-width: 768px) {
  #s1 h1 {
    font-size: clamp(40px, 12vw, 72px);
  }

  .s1-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  .s1-btn-primary {
    width: 100%;
    text-align: center;
  }
}