/* HERO PORTFÓLIO */
.portfolio-hero {
  background: radial-gradient(circle at top right, rgba(0,174,239,0.18), transparent 40%),
              #07111F;
  padding: 120px 0 80px;
  text-align: center;
}

.portfolio-hero-container {
  width: min(850px, 92%);
  margin: 0 auto;
}

.portfolio-hero span {
  color: #00AEEF;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.portfolio-hero h1 {
  color: #FFFFFF;
  font-size: 46px;
  line-height: 1.2;
  margin: 16px 0;
}

.portfolio-hero p {
  color: #94A3B8;
  font-size: 17px;
  line-height: 1.6;
}

/* ÁREA PORTFÓLIO */
.portfolio-page {
  background: linear-gradient(180deg, #07111F 0%, #111827 100%);
  padding: 80px 0 100px;
}

.portfolio-page-container {
  width: min(1180px, 92%);
  margin: 0 auto;
}

/* FILTROS */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 45px;
}

.filter-btn {
  background: rgba(17, 24, 39, 0.9);
  color: #E5E7EB;
  border: 1px solid rgba(255,255,255,0.08);
  padding: 11px 18px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 700;
  transition: 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: #00AEEF;
  color: #FFFFFF;
  border-color: #00AEEF;
  box-shadow: 0 0 18px rgba(0,174,239,0.35);
}

/* GRID */
.portfolio-page-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.project-card {
  background: rgba(17, 24, 39, 0.9);
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 20px;
  overflow: hidden;
  transition: 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  border-color: rgba(0,174,239,0.35);
  box-shadow: 0 20px 45px rgba(0,0,0,0.35);
}

.project-card img {
  width: 100%;
  height: 240px;
  object-fit: cover;
  display: block;
}

.project-content {
  padding: 24px;
}

.project-content span {
  color: #00AEEF;
  font-size: 13px;
  font-weight: 700;
}

.project-content h3 {
  color: #FFFFFF;
  font-size: 21px;
  margin: 10px 0;
}

.project-content p {
  color: #94A3B8;
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.project-btn {
  display: inline-block;
  background: transparent;
  color: #E5E7EB;
  border: 1px solid rgba(255,255,255,0.18);
  padding: 11px 16px;
  border-radius: 10px;
  font-weight: 700;
  transition: 0.3s ease;
}

.project-btn:hover {
  color: #00AEEF;
  border-color: #00AEEF;
}

/* RESPONSIVO */
@media (max-width: 1000px) {
  .portfolio-page-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .portfolio-hero h1 {
    font-size: 38px;
  }
}

@media (max-width: 650px) {
  .portfolio-hero {
    padding: 100px 0 60px;
  }

  .portfolio-hero h1 {
    font-size: 30px;
  }

  .portfolio-page {
    padding: 60px 0 80px;
  }

  .portfolio-page-grid {
    grid-template-columns: 1fr;
  }

  .project-card img {
    height: 220px;
  }
}