/* ===================================================================
   Shared cards — card dùng chung cho project / post / blog
   3 style: s1 (kiểu Template 1), s2 (kiểu Template 3), s3 (kiểu Template 2)
   Dùng biến theme có fallback để chạy được ở mọi trang.
   =================================================================== */

.kh-grid-wrap { --kh-gold: var(--gold, var(--gold-color, #c99b52)); --kh-navy: var(--navy, #0d1f2d); --kh-muted: var(--muted, #68717d); --kh-line: var(--line, #e5e7eb); }

.kh-grid-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 20px; }
.kh-grid-head h2 { margin: 0; color: var(--kh-navy); font-size: 18px; line-height: 1.25; text-transform: uppercase; letter-spacing: 1.1px; font-weight: 900; }
.kh-grid-head a { font-size: 12px; text-transform: uppercase; font-weight: 800; color: var(--kh-navy); text-decoration: none; }
.kh-grid-head a:hover { color: var(--kh-gold); }

.kh-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(var(--kh-c-d, 3), 1fr);
}
@media (max-width: 1200px) { .kh-grid { grid-template-columns: repeat(var(--kh-c-l, 3), 1fr); } }
@media (max-width: 992px)  { .kh-grid { grid-template-columns: repeat(var(--kh-c-t, 2), 1fr); } }
@media (max-width: 600px)  { .kh-grid { grid-template-columns: repeat(var(--kh-c-m, 1), 1fr); } }

/* ── Base ─────────────────────────────────────────────────────── */
.kh-card { display: block; text-decoration: none; background: #fff; overflow: hidden; transition: transform .25s ease, box-shadow .25s ease; }
.kh-card__media { margin: 0; overflow: hidden; background: #e9ecef; }
.kh-card__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .4s ease; }
.kh-card:hover .kh-card__media img { transform: scale(1.06); }
.kh-card__body { padding: 12px 14px 14px; }
.kh-card__cat { display: inline-block; color: var(--kh-gold); font-size: var(--kh-fs-cat, 10px); text-transform: uppercase; font-weight: 900; letter-spacing: .4px; }
.kh-card__title { margin: 0; color: var(--kh-navy); font-weight: 900; line-height: 1.35; }
.kh-card__desc { color: var(--kh-muted); line-height: 1.6; }
.kh-card__meta { display: inline-flex; align-items: center; gap: 5px; color: var(--kh-muted); font-size: var(--kh-fs-meta, 12px); }
.kh-card__meta svg { flex: none; opacity: .8; }

/* ── Style 1 — kiểu Template 1 (viền nhẹ, pill danh mục) ─────────── */
.kh-card--s1 { border: 1px solid var(--kh-line); border-radius: 5px; }
.kh-card--s1:hover { transform: translateY(-4px); box-shadow: 0 18px 36px rgba(13, 31, 45, .12); }
.kh-card--s1 .kh-card__media { aspect-ratio: var(--kh-card-ar, 4 / 2.35); height: var(--kh-card-h); }
.kh-card--s1 .kh-card__cat { margin-bottom: 5px; padding: 2px 7px; border: 1px solid rgba(201, 155, 82, .45); }
.kh-card--s1 .kh-card__title { min-height: 36px; margin-bottom: 4px; font-size: var(--kh-fs-title, 13px); }
.kh-card--s1 .kh-card__desc { display: none; }              /* style 1 không hiện mô tả */
.kh-card--s1 .kh-card__meta { font-size: var(--kh-fs-meta, 12px); }
.kh-card--s1 .kh-card__meta svg { display: none; }

/* ── Project card · Style 1 — thiết kế cao cấp (overlay hover + footer) ── */
.kh-pcard {
  position: relative;
  border: 1px solid var(--kh-line);
  border-radius: 14px;
  background: #fff;
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.kh-pcard:hover {
  transform: translateY(-5px);
  border-color: var(--kh-gold);
  box-shadow: 0 0 0 1px var(--kh-gold), 0 24px 46px -18px rgba(13, 31, 45, .35);
}

/* Media + overlay */
.kh-pcard__media {
  position: relative;
  margin: 0;
  overflow: hidden;
  background: #e9ecef;
  aspect-ratio: var(--kh-card-ar, 4 / 3.05);
  height: var(--kh-card-h);
  border-radius: 14px 14px 0 0;
}
.kh-pcard__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .55s cubic-bezier(.22, .61, .36, 1); }
.kh-pcard:hover .kh-pcard__media img { transform: scale(1.07); }

.kh-pcard__overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 14px;
  padding: 20px 20px 18px;
  background: linear-gradient(to top, rgba(7, 16, 26, .9) 0%, rgba(7, 16, 26, .55) 38%, rgba(7, 16, 26, 0) 72%);
  opacity: 0;
  transition: opacity .35s ease;
}
.kh-pcard:hover .kh-pcard__overlay { opacity: 1; }
.kh-pcard__overlay-text { min-width: 0; transform: translateY(10px); transition: transform .4s ease; }
.kh-pcard:hover .kh-pcard__overlay-text { transform: none; }
.kh-pcard__tags {
  display: block;
  margin-bottom: 8px;
  color: rgba(255, 255, 255, .82);
  font-size: var(--kh-fs-cat, 10.5px);
  font-weight: 700;
  letter-spacing: .8px;
  text-transform: uppercase;
}
.kh-pcard__odesc {
  margin: 0;
  color: #fff;
  font-size: var(--kh-fs-desc, 14px);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.kh-pcard__oarrow {
  flex: none;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 50%;
  color: #fff;
  transform: translateY(10px);
  transition: transform .4s ease, background .25s ease, color .25s ease, border-color .25s ease;
}
.kh-pcard:hover .kh-pcard__oarrow { transform: none; }
.kh-pcard__oarrow:hover,
.kh-pcard:hover .kh-pcard__oarrow { background: var(--kh-gold); border-color: var(--kh-gold); }

/* Body */
.kh-pcard__body { padding: 18px 20px 18px; }
.kh-pcard__title {
  margin: 0 0 14px;
  color: var(--kh-navy);
  font-size: var(--kh-fs-title, 19px);
  font-weight: 600;
  line-height: 1.3;
}
.kh-pcard__metas { display: flex; flex-direction: column; gap: 9px; }
.kh-pcard__row {
  display: flex;
  align-items: center;
  gap: 9px;
  color: var(--kh-muted);
  font-size: var(--kh-fs-meta, 13.5px);
  line-height: 1.3;
}
.kh-pcard__row svg { flex: none; color: var(--kh-gold); }

/* Footer action — "Xem dự án" */
.kh-pcard__action {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 16px;
  padding-top: 15px;
  border-top: 1px solid var(--kh-line);
}
.kh-pcard__action-text {
  flex: none;
  color: var(--kh-navy);
  font-size: 14px;
  font-weight: 600;
  transition: color .25s ease;
}
.kh-pcard__action-line {
  flex: 1;
  height: 1px;
  background: var(--kh-gold);
  transform: scaleX(0);
  transform-origin: left;
  opacity: 0;
  transition: transform .35s ease, opacity .35s ease;
}
.kh-pcard__action-btn {
  flex: none;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-left: auto;
  border-radius: 50%;
  color: var(--kh-navy);
  transition: background .25s ease, color .25s ease, margin .35s ease;
}
.kh-pcard:hover .kh-pcard__action-text { color: var(--kh-gold); }
.kh-pcard:hover .kh-pcard__action-line { transform: scaleX(1); opacity: 1; }
.kh-pcard:hover .kh-pcard__action-btn { margin-left: 0; background: var(--kh-gold); color: #fff; }

/* ── Project card · Style 3 — Editorial Light Hover (ảnh full-bleed) ── */
.kh-ecard {
  position: relative;
  display: block;
  aspect-ratio: var(--kh-card-ar, 3 / 4);
  height: var(--kh-card-h);
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--kh-line);
  background: #0d1f2d;
  transition: transform .3s ease, border-color .3s ease, box-shadow .3s ease;
}
.kh-ecard:hover {
  border-color: var(--kh-gold);
  box-shadow: 0 0 0 1px var(--kh-gold), 0 26px 50px -20px rgba(13, 31, 45, .4);
}

/* Ảnh nền */
.kh-ecard__media { position: absolute; inset: 0; overflow: hidden; }
.kh-ecard__media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform .6s cubic-bezier(.22, .61, .36, 1); }
.kh-ecard:hover .kh-ecard__media img { transform: scale(1.05); }
.kh-ecard__shade {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(7, 16, 26, .8) 0%, rgba(7, 16, 26, .28) 36%, rgba(7, 16, 26, 0) 62%);
  transition: opacity .45s ease;
}
.kh-ecard:hover .kh-ecard__shade { opacity: .55; }

/* Chữ overlay (danh mục + tiêu đề) */
.kh-ecard__content {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 2;
  padding: 24px 26px;
  transition: transform .45s cubic-bezier(.4, 0, .2, 1);
}
.kh-ecard:hover .kh-ecard__content { transform: translateY(-86px); }
.kh-ecard__cat {
  display: inline-block;
  color: #fff;
  font-size: var(--kh-fs-cat, 11px);
  font-weight: 700;
  letter-spacing: 2.2px;
  text-transform: uppercase;
}
.kh-ecard__cat::after { content: ''; display: block; width: 30px; height: 2px; margin-top: 9px; background: var(--kh-gold); }
.kh-ecard__title {
  margin: 11px 0 0;
  color: #fff;
  font-size: var(--kh-fs-title, clamp(19px, 1.6vw, 25px));
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: .2px;
}

/* Panel "Khám phá" trượt lên khi hover */
.kh-ecard__footer {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 18px 24px;
  background: #fff;
  transform: translateY(100%);
  transition: transform .45s cubic-bezier(.4, 0, .2, 1);
}
.kh-ecard:hover .kh-ecard__footer { transform: translateY(0); }
.kh-ecard__footer-text { flex: none; color: var(--kh-gold); font-size: var(--kh-fs-meta, 15px); font-weight: 600; }
.kh-ecard__footer-line { flex: 1; height: 1px; background: rgba(201, 155, 82, .45); }
.kh-ecard__footer-btn {
  flex: none;
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--kh-gold);
  border-radius: 50%;
  color: var(--kh-gold);
  transition: background .25s ease, color .25s ease;
}
.kh-ecard:hover .kh-ecard__footer-btn { background: var(--kh-gold); color: #fff; }

/* ── Style 2 — kiểu Template 3 (có mô tả + meta icon) ───────────── */
.kh-card--s2 { border: 1px solid var(--kh-line); border-radius: 10px; box-shadow: 0 6px 18px rgba(13, 31, 45, .05); }
.kh-card--s2:hover { transform: translateY(-5px); box-shadow: 0 20px 40px rgba(13, 31, 45, .14); }
.kh-card--s2 .kh-card__media { aspect-ratio: var(--kh-card-ar, 4 / 2.6); height: var(--kh-card-h); }
.kh-card--s2 .kh-card__body { padding: 14px 16px 18px; }
.kh-card--s2 .kh-card__cat { margin-bottom: 8px; font-size: var(--kh-fs-cat, 11px); }
.kh-card--s2 .kh-card__title { font-size: var(--kh-fs-title, 15px); margin-bottom: 8px; }
.kh-card--s2 .kh-card__desc { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; font-size: var(--kh-fs-desc, 13px); margin: 0 0 10px; }
.kh-card--s2 .kh-card__meta { font-size: var(--kh-fs-meta, 12.5px); }

/* ── Style 3 — kiểu Template 2 (tối giản, overlay nhẹ) ──────────── */
.kh-card--s3 { border-radius: 8px; box-shadow: 0 10px 26px -16px rgba(10, 24, 38, .5); }
.kh-card--s3:hover { transform: translateY(-4px); box-shadow: 0 18px 38px -18px rgba(10, 24, 38, .6); }
.kh-card--s3 .kh-card__media { aspect-ratio: var(--kh-card-ar, 3 / 2.2); height: var(--kh-card-h); }
.kh-card--s3 .kh-card__body { padding: 13px 15px 16px; }
.kh-card--s3 .kh-card__cat { margin-bottom: 6px; font-size: var(--kh-fs-cat, 10.5px); }
.kh-card--s3 .kh-card__title { font-size: var(--kh-fs-title, 14px); margin-bottom: 6px; }
.kh-card--s3 .kh-card__desc { display: none; }              /* style 3 tối giản, ẩn mô tả */
.kh-card--s3 .kh-card__meta { font-size: var(--kh-fs-meta, 12px); }