/* =====================================================
   Projects Page (v0.3.0)
===================================================== */

/* ───── 1. 탭 ───── */
.tabs{
  position: sticky;
  top: 60px; /* 상위 탭 높이에 맞춤 */
  background: var(--c-gray-100);
  padding: 12px 0;
  z-index: 90;
  border-bottom: 1px solid #eee;
  margin-bottom: 30px;
}
.tabs__inner{
  display: flex;
  gap: 12px;
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: calc(var(--g-unit) * 2);
}
.tabs__btn{
  font-family: var(--ff-display);
  font-size: .95rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--c-black);
  padding: 8px 16px;
  border: none;
  background: transparent;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.25s;
}
.tabs__btn.is-active,
.tabs__btn:hover{
  font-weight: 600;
  background: var(--c-gray-800);
  color: var(--c-white);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}
/* 패널 */
.tab-panel { 
  display: none; 
}
.tab-panel.is-active { 
  display: block; 
}


@media(max-width:768px){
  .tabs__inner{
    display: flex;
    gap: 8px;
}
  .tabs__btn{
    font-size: 14px;
    padding: 8px 12px;
  }
}

/* ───── 2. 카드 그리드 ───── */
.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fill,minmax(590px,1fr));
  gap:calc(var(--g-unit)*3);
  margin-bottom:6rem;
}
.project-card{
  position:relative;
  border-radius:0;
  overflow:hidden;
  height:0;
  padding-bottom:100%;   /* 정사각형 */
  cursor:pointer;
  box-shadow:0 4px 16px rgba(0,0,0,.1);
  transition:transform .25s;
}
.project-card:hover{
  transform:translateY(-6px);
}
.project-card__bg,
.project-card__overlay{
  position:absolute;
  inset:0;
}
.project-card__bg{
  background-size:cover;
  background-position:center;
  transition:transform .4s;
}
.project-card:hover .project-card__bg{
  transform:scale(1.05);
}
.project-card__overlay{
  background:linear-gradient(to top,rgba(0,0,0,.8) 0%,rgba(0,0,0,.15) 60%,transparent);
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  padding:2rem;
  z-index:2;
}
.project-card__logo{
  width:120px;
  margin-bottom:0.6rem;
  filter:invert(1);
}
.project-card__title{
  font-family: var(--ff-display);
  font-size: 1.6rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color:var(--c-white);
  margin:0 0 .5rem;
}
.project-card__kpi{
  font-size: 1rem;
  color:var(--c-gray-100);
  opacity:.85;
}

@media(max-width:768px){
  .projects-grid{
    grid-template-columns:repeat(auto-fill,minmax(280px,1fr));
  }
  .project-card__overlay{
    background:linear-gradient(to top,rgba(0,0,0,.8) 0%,rgba(0,0,0,.15) 60%,transparent);
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    padding:1.2rem;
    z-index:2;
  }
  .project-card__logo{
    margin-bottom:0.4rem;
  }
  .project-card__title{
    margin-bottom: 1px !important;
    font-size: 1.3rem;
    letter-spacing: -0.05em;
    margin:0 0 .5rem;
  }
  .project-card__kpi{
    letter-spacing: -0.05em;
  }
}