/* ===== Portfolio Page Body ===== */
body {
  padding-bottom: 70px;
}

/* ===== Portfolio Section ===== */
.portfolio-section {
  padding: 60px 0 40px;
}

.portfolio-title {
  text-align: center;
  font-family: "Poppins", "Apple SD Gothic Neo", sans-serif;
  font-size: 36px;
  font-weight: bold;
  color: #212121;
  margin-bottom: 40px;
}

/* Filter Tabs */
.filter-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-bottom: 50px;
}

.filter-tabs button {
  padding: 10px 32px;
  font-family: "Poppins", "Apple SD Gothic Neo", sans-serif;
  font-size: 15px;
  font-weight: bold;
  color: #212121;
  background: #fff;
  border: 2px solid #212121;
  cursor: pointer;
  transition: all 0.3s;
}

.filter-tabs button:hover {
  background: #f5f5f5;
}

.filter-tabs button.active {
  background: #212121;
  color: #fff;
}

/* Project Cards */
.project-list {
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.project-card {
  display: flex;
  gap: 30px;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid #eee;
}

.project-card:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.project-card .card-image {
  flex: 0 0 380px;
  height: 280px;
  overflow: hidden;
  background: #f0f0f0;
}

.project-card .card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.project-card .card-image img:hover {
  transform: scale(1.03);
}

.project-card .card-content {
  flex: 1;
  padding-top: 8px;
}

.project-card .card-category {
  font-size: 13px;
  font-weight: bold;
  color: #363636;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 2px solid #212121;
  display: inline-block;
}

.project-card .card-title {
  font-size: 22px;
  font-weight: bold;
  color: #212121;
  margin-bottom: 14px;
  line-height: 1.4;
}

.project-card .card-desc {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(33, 33, 33, 0.7);
}

/* ===== Bottom Fixed Nav ===== */
.bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: #fff;
  border-top: 1px solid #e7e7e7;
  display: flex;
  height: 60px;
}

.bottom-nav a,
.bottom-nav span {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: bold;
  color: #212121;
  gap: 4px;
  transition: color 0.2s;
  cursor: pointer;
}

.bottom-nav a:hover,
.bottom-nav span:hover {
  color: rgba(33, 33, 33, 0.5);
}

.bottom-nav .nav-icon {
  font-size: 20px;
  line-height: 1;
}

/* ===== Responsive (Portfolio) ===== */
@media (max-width: 991px) {
  .portfolio-title {
    font-size: 28px;
  }

  .project-card .card-image {
    flex: 0 0 300px;
    height: 220px;
  }

  .project-card .card-title {
    font-size: 20px;
  }
}

@media (max-width: 767px) {
  .portfolio-section {
    padding: 30px 0 20px;
  }

  .portfolio-title {
    font-size: 24px;
    margin-bottom: 24px;
  }

  .filter-tabs {
    gap: 8px;
    margin-bottom: 30px;
  }

  .filter-tabs button {
    padding: 8px 20px;
    font-size: 13px;
  }

  .project-card {
    flex-direction: column;
    gap: 16px;
  }

  .project-card .card-image {
    flex: none;
    width: 100%;
    height: 220px;
  }

  .project-card .card-content {
    padding-top: 0;
  }

  .project-card .card-title {
    font-size: 18px;
  }

  .project-card .card-desc {
    font-size: 14px;
  }

  .project-list {
    gap: 30px;
  }
}