*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --card-radius: 12px;
  --grid-gap: 1.25rem;
  --max-width: 1100px;
}

body {
  min-height: 100vh;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.header {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 3rem 1.5rem 2rem;
  text-align: center;
}

.header__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.header__desc {
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

.main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.5rem 3rem;
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: var(--grid-gap);
  list-style: none;
}

.project-card {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: var(--card-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  border: 1px solid var(--border);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.project-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.35s ease;
}

.project-card:hover .project-card__bg {
  transform: scale(1.05);
}

.project-card__overlay {
  position: absolute;
  inset: 0;
  background: var(--card-overlay);
}

.project-card__name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 1rem 1.15rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  z-index: 1;
  color: #fff;
  text-shadow:
    0 1px 2px rgba(0, 0, 0, 0.65),
    0 2px 10px rgba(0, 0, 0, 0.35);
}

.project-card--disabled {
  pointer-events: none;
  opacity: 0.65;
}

.project-empty {
  grid-column: 1 / -1;
  padding: 3rem 1.5rem;
  text-align: center;
  color: var(--text-muted);
  border: 1px dashed var(--empty-border);
  border-radius: var(--card-radius);
}