/* ================= PROJECT PAGE STYLES (project.html) ================= */
.project-hero,
.project-brand-tabs,
.project-panel {
  background-color: var(--color-white);
  color: var(--color-gray-100);
}
/* Biến dùng chung xem tại :root trong style.css. File này chỉ chứa style riêng cho project.html. */

/* ---------- Mở đầu: Tiêu đề trang ---------- */
.project-hero {
  width: 100%;
  box-sizing: border-box;
  padding: clamp(72px, 7.5vw, 112px) clamp(20px, 5vw, 72px) 48px;
  text-align: center;
}

.project-hero-title {
  margin: 0;
  font-family: var(--font-ma-clayton);
  font-weight: 400;
  font-size: clamp(56px, 8vw, 128px);
  line-height: .98;
  letter-spacing: -.025em;
  color: var(--color-gray-100);
}

/* ---------- Tab thương hiệu: M&A / Anh Ceramics ---------- */
.project-brand-tabs {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 clamp(20px, 5vw, 72px) 40px;
}

.project-brand-tablist {
  display: flex;
  border: 1px solid var(--Zeus-7);
  border-radius: 6px;
  overflow: hidden;
}

.project-brand-tab {
  flex: 1;
  padding: 20px;
  border: 0;
  background-color: var(--color-white);
  cursor: pointer;
  font-family: var(--font-manrope);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--color-gray-100);
  text-decoration: none;
}

.project-brand-tab + .project-brand-tab {
  border-left: 1px solid var(--Zeus-7);
}

.project-brand-tab.active {
  background-color: var(--color-teal);
  color: var(--color-floralwhite);
  text-decoration: none;
  cursor: default;
}

.project-brand-tab:hover:not(.active) {
  background-color: var(--color-floralwhite);
}

.project-brand-tab:focus-visible,
.project-category-tab:focus-visible {
  outline: 2px solid var(--color-terracotta);
  outline-offset: 4px;
}

/* ---------- Tab danh mục con (Nhà ở / Biệt thự...) ---------- */
.project-category-tabs {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  box-sizing: border-box;
  padding: 0 clamp(20px, 5vw, 72px) 24px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  border-bottom: 1px solid var(--Zeus-7);
  font-family: var(--font-manrope);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
}

.project-category-tab {
  color: var(--color-slate);
  text-decoration: none;
  padding-bottom: 4px;
}

.project-category-tab.active {
  color: var(--color-gray-100);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 2px solid var(--color-terracotta);
}

.project-category-tab:hover {
  color: var(--color-gray-100);
}

/* ---------- Panel & lưới dự án ---------- */
.project-panel[hidden] {
  display: none;
}

.project-grid {
  width: 100%;
  max-width: var(--layout-max);
  margin: 0 auto;
  box-sizing: border-box;
  padding: 48px clamp(20px, 5vw, 72px) clamp(72px, 7.5vw, 112px);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--content-gap);
}

.project-tile {
  position: relative;
  display: block;
  aspect-ratio: 4 / 3;
  border-radius: 6px;
  overflow: hidden;
  text-decoration: none;
}

.project-tile img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.project-tile:hover img {
  transform: scale(1.04);
}

.project-tile-caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 20px;
  font-family: var(--font-manrope);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.4;
  color: var(--color-white);
  background-image: linear-gradient(to top, rgba(20, 18, 14, 0.65) 0%, rgba(20, 18, 14, 0.25) 55%, rgba(20, 18, 14, 0) 100%);
}

.project-tile-caption svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  transition: transform 0.25s ease;
}

.project-tile:hover .project-tile-caption svg {
  transform: translateX(3px);
}

/* ================= RESPONSIVE ================= */
@media screen and (max-width: 1024px) {
  .project-grid,
  .project-grid--6 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .project-category-tabs {
    justify-content: flex-start;
  }
}

@media screen and (max-width: 768px) {
  .project-hero {
    padding: 72px 20px 32px;
  }

  .project-brand-tabs {
    padding: 0 20px 32px;
  }

  .project-category-tabs {
    padding: 0 20px 20px;
  }

  .project-grid {
    padding: 32px 20px 80px;
  }
}

@media screen and (max-width: 560px) {
  .project-brand-tab {
    font-size: 15px;
    padding: 16px 10px;
  }

  .project-grid,
  .project-grid--6 {
    grid-template-columns: 1fr;
  }
}