/* ═══════════════════════════════════════════════════════════════
   OKU Post Showcase — Front-end Styles
   Matches: clean card grid with rounded corners, hover lift,
   title below image, View All pill button, category badge
   ═══════════════════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  --ps-accent:      #e8041a;
  --ps-text-h:      #0d111a;
  --ps-text-b:      #374151;
  --ps-text-m:      #6b7280;
  --ps-card-bg:     #ffffff;
  --ps-card-border: #e8eaed;
  --ps-card-shadow: 0 1px 4px rgba(0,0,0,0.06), 0 2px 12px rgba(0,0,0,0.04);
  --ps-card-shadow-h: 0 6px 28px rgba(0,0,0,0.13);
  --ps-radius:      14px;
  --ps-radius-img:  12px 12px 0 0;
  --ps-font-h:      'Syne', sans-serif;
  --ps-font-b:      'DM Sans', sans-serif;
  --ps-ease:        0.22s ease;
  --ps-spring:      0.30s cubic-bezier(0.34,1.4,0.64,1);
}

/* ── Section ── */
.oku-ps-section {
  font-family: var(--ps-font-b);
  padding: 36px 0 52px;
}

/* ── Header Row ── */
.oku-ps-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  gap: 16px;
}

.oku-ps-title {
  font-family: var(--ps-font-h);
  font-size: clamp(1.2rem, 2.4vw, 1.6rem);
  font-weight: 800;
  color: var(--ps-text-h);
  margin: 0;
  padding: 0;
  letter-spacing: -0.02em;
  line-height: 1.1;
  position: relative;
}

.oku-ps-title::after {
  content: '';
  display: block;
  width: 36px;
  height: 3px;
  border-radius: 2px;
  background: var(--ps-accent);
  margin-top: 7px;
}

/* ── View All Button ── */
.oku-ps-viewall {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--ps-font-h);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ps-text-b);
  text-decoration: none;
  padding: 8px 18px;
  border: 1.5px solid #d1d5db;
  border-radius: 100px;
  white-space: nowrap;
  background: #fff;
  transition: border-color var(--ps-ease), color var(--ps-ease), background var(--ps-ease), transform var(--ps-ease);
}

.oku-ps-viewall svg {
  width: 14px;
  height: 14px;
  transition: transform var(--ps-ease);
}

.oku-ps-viewall:hover {
  border-color: var(--ps-accent);
  color: var(--ps-accent);
  background: #fff5f5;
  transform: translateY(-1px);
}

.oku-ps-viewall:hover svg { transform: translateX(3px); }

/* ── Grid ── */
.oku-ps-grid {
  display: grid;
  grid-template-columns: repeat(var(--ps-cols, 4), 1fr);
  gap: 18px;
}

/* ── Card ── */
.oku-ps-card {
  display: block;
  background: var(--ps-card-bg);
  border: 1px solid var(--ps-card-border);
  border-radius: var(--ps-radius);
  overflow: hidden;
  box-shadow: var(--ps-card-shadow);
  text-decoration: none;
  color: inherit;
  transition: transform var(--ps-spring), box-shadow var(--ps-ease), border-color var(--ps-ease);
  will-change: transform;
}

.oku-ps-card:hover {
  transform: translateY(-5px) scale(1.01);
  box-shadow: var(--ps-card-shadow-h);
  border-color: #d8dadd;
}

/* ── Thumbnail ── */
.oku-ps-card-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #0d111a;
}

.oku-ps-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease, filter 0.25s ease;
  filter: brightness(0.95);
}

.oku-ps-card:hover .oku-ps-card-thumb img {
  transform: scale(1.05);
  filter: brightness(0.85);
}

/* Category badge */
.oku-ps-card-cat {
  position: absolute;
  top: 10px;
  left: 10px;
  background: rgba(0,0,0,0.62);
  color: #fff;
  font-family: var(--ps-font-b);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 20px;
  backdrop-filter: blur(4px);
}

/* ── Card Body ── */
.oku-ps-card-body {
  padding: 14px 16px 16px;
}

.oku-ps-card-title {
  font-family: var(--ps-font-h);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--ps-text-h);
  margin: 0 0 4px;
  line-height: 1.4;
  letter-spacing: -0.01em;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.oku-ps-card-date {
  font-size: 0.75rem;
  color: var(--ps-text-m);
  font-weight: 400;
}

/* ── Responsive ── */
@media (max-width: 1024px) and (min-width: 601px) {
  .oku-ps-grid { grid-template-columns: repeat(2, 1fr) !important; }
}

@media (max-width: 600px) {
  .oku-ps-section { padding: 24px 0 36px; }
  .oku-ps-grid    { grid-template-columns: repeat(2, 1fr) !important; gap: 12px; }
  .oku-ps-title   { font-size: 1.1rem; }
  .oku-ps-title::after { width: 28px; height: 2.5px; }
  .oku-ps-viewall { font-size: 0.7rem; padding: 6px 12px; }
  .oku-ps-card-title { font-size: 0.8rem; }
  .oku-ps-card-body  { padding: 10px 12px 12px; }
}

@media (max-width: 360px) {
  .oku-ps-grid { grid-template-columns: 1fr !important; }
}

@media (prefers-reduced-motion: reduce) {
  .oku-ps-card, .oku-ps-card-thumb img { transition: none !important; }
}