/* Blog G4 — layout + cards (UX lecture) */

.g4-blog {
  padding-bottom: clamp(2rem, 4vw, 3rem);
}

.g4-blog-filters {
  margin: 0 0 clamp(1rem, 2.3vw, 1.4rem);
  padding: 1rem;
  border-radius: calc(var(--g4-radius) + 2px);
  background: rgba(6, 12, 22, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.g4-blog-filters__row {
  display: grid;
  grid-template-columns: 1fr 220px auto;
  gap: 0.75rem;
  align-items: end;
}

.g4-blog-filters__field label {
  display: block;
  font-size: 0.78rem;
  color: var(--g4-muted);
  margin: 0 0 0.35rem;
  font-family: var(--g4-font-display);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.g4-blog-filters__field input[type="search"],
.g4-blog-filters__field select {
  width: 100%;
  min-width: 0;
  box-sizing: border-box;
  padding: 0.6rem 0.75rem;
  border-radius: 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(10, 16, 28, 0.85);
  color: #e9f2ff;
  outline: none;
}

.g4-blog-filters__field input[type="search"]:focus,
.g4-blog-filters__field select:focus {
  border-color: rgba(0, 229, 192, 0.45);
  box-shadow: 0 0 0 3px rgba(0, 229, 192, 0.14);
}

.g4-blog-filters__actions {
  display: inline-flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: flex-end;
}

.g4-blog-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.g4-blog-chip {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 229, 192, 0.25);
  background: rgba(10, 16, 28, 0.72);
  color: #c8d4e3;
  font-size: 0.82rem;
  font-weight: 600;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.g4-blog-chip:hover,
.g4-blog-chip.is-active {
  border-color: var(--g4-cyan);
  color: var(--g4-cyan);
  background: rgba(0, 229, 192, 0.1);
}

.g4-blog-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  gap: clamp(0.85rem, 2vw, 1.25rem);
  align-items: start;
}

.g4-blog-featured {
  position: relative;
  border-radius: calc(var(--g4-radius) + 6px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(8, 14, 26, 0.55);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 18px 44px rgba(0, 0, 0, 0.38);
  min-height: clamp(320px, 34vw, 420px);
}

.g4-blog-featured__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transform: scale(1.02);
  filter: saturate(1.05) contrast(1.05);
}

.g4-blog-featured__shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 65% at 18% 30%, rgba(0, 229, 192, 0.16) 0%, rgba(0, 229, 192, 0) 60%),
    radial-gradient(55% 55% at 85% 20%, rgba(255, 45, 138, 0.16) 0%, rgba(255, 45, 138, 0) 60%),
    linear-gradient(90deg, rgba(10, 22, 40, 0.92) 0%, rgba(10, 22, 40, 0.45) 58%, rgba(10, 22, 40, 0.22) 100%);
}

.g4-blog-featured__content {
  position: relative;
  z-index: 1;
  padding: clamp(1rem, 2.2vw, 1.6rem);
  max-width: min(64ch, 70%);
  display: grid;
  gap: 0.6rem;
}

.g4-blog-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--g4-font-display);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 0.72rem;
  color: #c8d4e3;
}

.g4-blog-kicker__pill {
  display: inline-flex;
  align-items: center;
  padding: 0.28rem 0.55rem;
  border-radius: 999px;
  background: rgba(0, 229, 192, 0.12);
  border: 1px solid rgba(0, 229, 192, 0.28);
  color: var(--g4-cyan);
}

.g4-blog-meta {
  color: var(--g4-muted);
  font-size: 0.85rem;
}

.g4-blog-featured__title {
  margin: 0.15rem 0 0.25rem;
  font-family: var(--g4-font-display);
  font-size: clamp(1.4rem, 2.7vw, 2.15rem);
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.08;
  color: #fff;
}

.g4-blog-featured__title a {
  color: inherit;
  text-decoration: none;
}

.g4-blog-featured__title a:hover {
  color: #fff;
  text-shadow: 0 0 18px rgba(0, 229, 192, 0.18);
}

.g4-blog-featured__excerpt {
  margin: 0;
  color: #b5c6da;
  font-size: 0.95rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.g4-blog-featured__cta {
  margin-top: 0.35rem;
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.g4-blog-side {
  display: grid;
  gap: 0.85rem;
}

.g4-blog-panel {
  padding: 1rem;
  border-radius: calc(var(--g4-radius) + 2px);
  background: rgba(6, 12, 22, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
}

.g4-blog-panel__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin: 0 0 0.75rem;
}

.g4-blog-panel__title {
  margin: 0;
  font-family: var(--g4-font-display);
  font-size: 0.95rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
}

.g4-blog-list {
  display: grid;
  gap: 0.65rem;
}

.g4-blog-item {
  display: grid;
  grid-template-columns: 104px minmax(0, 1fr);
  gap: 0.75rem;
  align-items: center;
  padding: 0.65rem;
  border-radius: 14px;
  text-decoration: none;
  background: rgba(8, 14, 26, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.06);
  transition: transform 0.15s ease, border-color 0.15s ease, background 0.15s ease;
}

.g4-blog-item:hover {
  transform: translateY(-1px);
  border-color: rgba(0, 229, 192, 0.32);
  background: rgba(0, 229, 192, 0.05);
}

.g4-blog-item__thumb {
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(10, 16, 28, 0.85);
  aspect-ratio: 16 / 10;
}

.g4-blog-item__thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.g4-blog-item__body {
  min-width: 0;
}

.g4-blog-item__meta {
  color: var(--g4-muted);
  font-size: 0.78rem;
  margin-bottom: 0.2rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.g4-blog-item__title {
  margin: 0;
  color: #fff;
  font-family: var(--g4-font-display);
  font-size: 1rem;
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.12;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.g4-blog-grid {
  margin-top: clamp(1rem, 2.5vw, 1.5rem);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: clamp(0.85rem, 1.6vw, 1.15rem);
}

.g4-blog-card {
  display: grid;
  grid-template-rows: auto 1fr;
  border-radius: calc(var(--g4-radius) + 6px);
  overflow: hidden;
  background: rgba(8, 14, 26, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
  box-shadow:
    0 0 0 1px rgba(255, 255, 255, 0.03) inset,
    0 14px 34px rgba(0, 0, 0, 0.32);
  transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.g4-blog-card:hover {
  transform: translateY(-2px);
  border-color: rgba(0, 229, 192, 0.34);
  background: rgba(0, 229, 192, 0.05);
}

.g4-blog-card__image {
  display: block;
  aspect-ratio: 16 / 9;
  background: rgba(10, 16, 28, 0.85);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.g4-blog-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.g4-blog-card__body {
  padding: 0.95rem 1rem;
  display: grid;
  gap: 0.45rem;
}

.g4-blog-card__title {
  margin: 0;
  font-family: var(--g4-font-display);
  font-size: 1.1rem;
  letter-spacing: 0.02em;
  text-transform: none;
  line-height: 1.15;
  color: #fff;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.g4-blog-card__title a {
  color: inherit;
  text-decoration: none;
}

.g4-blog-card__title a:hover {
  color: #fff;
}

.g4-blog-card__desc {
  margin: 0;
  color: #b5c6da;
  font-size: 0.9rem;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.g4-blog-empty {
  padding: clamp(2rem, 4vw, 3rem) 1rem;
  text-align: center;
  border: 1px dashed rgba(0, 229, 192, 0.25);
  border-radius: var(--g4-radius);
  color: var(--g4-muted);
}

@media (max-width: 1024px) {
  .g4-blog-filters__row {
    grid-template-columns: 1fr 220px;
  }

  .g4-blog-filters__actions {
    grid-column: 1 / -1;
    justify-content: flex-start;
  }

  .g4-blog-layout {
    grid-template-columns: 1fr;
  }

  .g4-blog-featured__content {
    max-width: 72ch;
  }

  .g4-blog-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .g4-blog-filters {
    padding: 0.85rem;
  }

  .g4-blog-filters__row {
    grid-template-columns: 1fr;
  }

  .g4-blog-filters__actions {
    justify-content: flex-start;
  }

  .g4-blog-featured {
    min-height: 360px;
  }

  .g4-blog-featured__shade {
    background:
      radial-gradient(60% 65% at 18% 30%, rgba(0, 229, 192, 0.14) 0%, rgba(0, 229, 192, 0) 60%),
      radial-gradient(55% 55% at 85% 20%, rgba(255, 45, 138, 0.14) 0%, rgba(255, 45, 138, 0) 60%),
      linear-gradient(180deg, rgba(10, 22, 40, 0.55) 0%, rgba(10, 22, 40, 0.9) 72%, rgba(10, 22, 40, 0.98) 100%);
  }

  .g4-blog-featured__content {
    max-width: none;
  }

  .g4-blog-item {
    grid-template-columns: 92px minmax(0, 1fr);
  }

  .g4-blog-grid {
    grid-template-columns: 1fr;
  }
}