:root {
  --cove-navy: #0A1F32;
  --cove-blue: #53C8EC;
  --cove-blue-light: #E3F6FD;
  --cove-gray: #5C738A;
  --cove-white: #ffffff;
}

.cove-portfolio.light-theme {
  background: linear-gradient(180deg, var(--cove-blue-light) 0%, #f9fcfe 100%);
  padding: 40px 0 50px;
  border-radius: 24px;
}

/* Controls */
.cove-portfolio__controls {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 auto 24px;
  max-width: 1200px;
  padding: 0 20px;
}

.cove-portfolio__filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.pill {
  background: #fff;
  color: var(--cove-navy);
  border: 1.5px solid var(--cove-blue);
  border-radius: 999px;
  padding: 8px 16px;
  font-weight: 500;
  font-size: 14px;
  cursor: pointer;
  transition: all .25s;
}

.pill:hover { background: var(--cove-blue-light); }
.pill.is-active {
  background: var(--cove-blue);
  color: #fff;
  box-shadow: 0 4px 10px rgba(83,200,236,.3);
}

/* ---------- GRID FIX ---------- */
.cove-portfolio__grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr)); /* lock 4-up layout */
  gap: 22px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  justify-items: stretch;
}

/* Responsive grid */
@media (max-width: 1200px) {
  .cove-portfolio__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 900px) {
  .cove-portfolio__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .cove-portfolio__grid { grid-template-columns: 1fr; }
}

/* ---------- CARD ---------- */
.cove-card {
  background: #fff;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(10,31,50,.08);
  transition: transform .25s, box-shadow .25s;
  display: flex;
  flex-direction: column;
}

.cove-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(10,31,50,.15);
}

/* Square image */
.cove-card__image-square {
  position: relative;
  width: 100%;
  aspect-ratio: 1/1;
  overflow: hidden;
  background: #eef6fb;
}

.cove-card__image-square img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .35s ease, filter .3s ease;
}

.cove-card:hover .cove-card__image-square img {
  transform: scale(1.03);
  filter: brightness(0.85);
}

/* Base title bar (transparent white) */
.cove-card__title-bg {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  background: rgba(255,255,255,0.7);
  padding: 10px 14px;
  z-index: 2;
  transition: opacity .25s ease;
}

.cove-card__title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--cove-navy);
  line-height: 1.25;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Hide base title on hover if description exists */
.cove-card.has-desc:hover .cove-card__title-bg {
  opacity: 0;
}

/* Hover panel (title → description → button) */
.cove-card__hover-panel {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  transform: translateY(100%);
  transition: transform .3s ease;
  background: rgba(255,255,255,0.8);
  color: var(--cove-navy);
  padding: 18px 20px 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 3;
  border-top: 2px solid var(--cove-blue);
  box-shadow: 0 -6px 18px rgba(10,31,50,0.15);
}

.cove-card:hover .cove-card__hover-panel { transform: translateY(0%); }

.cove-card__hover-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: var(--cove-navy);
  line-height: 1.25;
}

.cove-card__desc {
  font-size: 14px;
  line-height: 1.45;
  color: var(--cove-navy);
  max-height: 7em;
  overflow: hidden;
}

/* Button inside hover panel */
.btn.btn-panel {
  align-self: flex-start;
  background: var(--cove-blue);
  color: #fff;
  padding: 10px 16px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  text-align: center;
  box-shadow: 0 6px 16px rgba(83,200,236,0.35);
  transition: transform .15s ease, box-shadow .25s ease, background .25s;
}

.btn.btn-panel:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(10,31,50,0.18), 0 6px 16px rgba(83,200,236,0.35);
}

/* Blue divider */
.cove-card__divider {
  width: 100%;
  height: 4px;
  background: var(--cove-blue);
  flex: 0 0 auto;
}

/* Aspect-ratio fallback */
@supports not (aspect-ratio:1/1) {
  .cove-card__image-square { width: 100%; padding-top: 100%; }
  .cove-card__image-square > * { position: absolute; left: 0; top: 0; right: 0; bottom: 0; }
}