/* Mobile-First App-Style Portfolio CSS */

.portfolio-hero {
  padding: 160px 5% 80px;
  text-align: center;
  background: #050505;
}

.portfolio-hero h1 {
  font-size: 64px;
  font-weight: 800;
  margin: 0 0 20px;
  letter-spacing: -2px;
  color: #fff;
}

.portfolio-hero p {
  color: #a0a0a0;
  font-size: 20px;
  max-width: 600px;
  margin: 0 auto;
}

.portfolio-page-grid {
  padding: 50px 5% 150px;
  background: #050505;
}

.portfolio-page-grid .tw-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.portfolio-page-grid .tw-card {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background: #111;
  aspect-ratio: 4/5;
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: transform 0.4s ease, box-shadow 0.4s ease, border-color 0.4s ease;
}

.portfolio-page-grid .tw-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
  border-color: rgba(43, 130, 255, 0.4);
}

.portfolio-page-grid .tw-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
  z-index: 1;
}

.portfolio-page-grid .tw-card:hover .tw-bg-img {
  transform: scale(1.05);
}

.portfolio-page-grid .tw-gradient {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 70%;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.95) 0%, rgba(0, 0, 0, 0.5) 50%, transparent 100%);
  z-index: 2;
  transition: height 0.4s ease;
}

.portfolio-page-grid .tw-card:hover .tw-gradient {
  height: 80%;
}

.portfolio-page-grid .tw-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 40px;
  z-index: 3;
  display: flex;
  flex-direction: column;
}

.portfolio-page-grid .tw-tags {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.portfolio-page-grid .tw-tag {
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  color: #fff;
  padding: 6px 14px;
  border-radius: 100px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.portfolio-page-grid .tw-card-title {
  color: #fff;
  font-size: 36px;
  font-weight: 700;
  margin: 0 0 15px;
  letter-spacing: -1px;
}

.portfolio-page-grid .tw-card-link {
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  padding: 10px 22px;
  border-radius: 100px;
  border: 1px solid rgba(255, 255, 255, 0.4);
  align-self: flex-start;
  transition: background 0.3s, border-color 0.3s, transform 0.3s;
  text-decoration: none;
}

.portfolio-page-grid .tw-card-link::after {
  content: '→';
  transition: transform 0.3s ease;
}

.portfolio-page-grid .tw-card-link:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

.portfolio-page-grid .tw-card-link:hover::after {
  transform: translateX(4px);
}

.portfolio-page-grid .tw-card-hitbox {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 4;
}

/* Make link clickable over hitbox */
.portfolio-page-grid .tw-card-link {
  position: relative;
  z-index: 5;
}

@media (max-width: 1024px) {
  .portfolio-page-grid .tw-card {
    aspect-ratio: 1/1;
  }
}

@media (max-width: 768px) {
  .portfolio-hero {
    padding: 140px 5% 60px;
  }
  .portfolio-hero h1 {
    font-size: 48px;
  }
  .portfolio-page-grid {
    padding: 20px 5% 100px;
  }
  .portfolio-page-grid .tw-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  .portfolio-page-grid .tw-card {
    aspect-ratio: 4/5;
    border-radius: 20px;
  }
  .portfolio-page-grid .tw-content {
    padding: 30px 25px;
  }
  .portfolio-page-grid .tw-card-title {
    font-size: 32px;
  }
}