/* ================================================================ */
/* ARTICLES FEED — Industrial Brutalism / Tactical Telemetry         */
/* Token-only. Dark substrate, hairline grid, mono telemetry,        */
/* macro typography, ASCII framing, zero border-radius.              */
/* ================================================================ */

.articles-feed {
  --afeed-mono: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  width: 100%;
  background: var(--shadow-color);
  border-top: 1px solid var(--border-faint-on-dark);
  border-bottom: 1px solid var(--border-faint-on-dark);
  padding: clamp(48px, 7vw, 110px) clamp(16px, 5vw, 80px);
}

/* ---- Telemetry bar ------------------------------------------------ */
.articles-feed__bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-family: var(--afeed-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-on-dark-faint);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-hairline-on-dark);
}

.articles-feed__tag {
  color: var(--primary-color);
  font-weight: 600;
}

/* ---- Macro header ------------------------------------------------- */
.articles-feed__head {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px 40px;
  padding: clamp(28px, 4vw, 56px) 0 clamp(32px, 4vw, 60px);
}

.articles-feed__title {
  margin: 0;
  color: var(--text-on-dark-strong);
  font-weight: 800;
  text-transform: uppercase;
  font-size: clamp(2.6rem, 7vw, 7rem);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.articles-feed__lead {
  margin: 0;
  max-width: 42ch;
  color: var(--text-on-dark-muted);
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
  line-height: 1.5;
  font-weight: 300;
}

/* ---- Bento grid (1px deterministic dividing lines) ---------------- */
.articles-feed__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: minmax(190px, auto);
  grid-auto-flow: row dense;
  gap: 1px;
  background: var(--border-soft-on-dark);
  border: 1px solid var(--border-soft-on-dark);
}

/* Size archetypes — scattered, non-uniform footprint */
.afeed-card.is-hero {
  grid-column: span 4;
  grid-row: span 2;
}
.afeed-card.is-wide {
  grid-column: span 4;
  grid-row: span 1;
}
.afeed-card.is-tall {
  grid-column: span 2;
  grid-row: span 2;
}
.afeed-card.is-std {
  grid-column: span 2;
  grid-row: span 1;
}

/* ---- Card --------------------------------------------------------- */
.afeed-card {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 190px;
  padding: clamp(18px, 1.8vw, 30px);
  overflow: hidden;
  text-decoration: none;
  background-color: var(--shadow-color) !important;
  background-size: cover !important;
  background-position: center !important;
  background-repeat: no-repeat !important;
  transition:
    transform 0.45s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.4s ease;
  isolation: isolate;
}

.afeed-card.no-bg {
  background-color: var(--surface-tint-on-dark);
}

/* Darkening scrim — its own layer so the photo stays clearly visible
   underneath while text keeps contrast. Lighter at top, denser at base. */
.afeed-card__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    178deg,
    rgba(var(--shadow-rgb), 0.12) 0%,
    rgba(var(--shadow-rgb), 0.45) 48%,
    rgba(var(--shadow-rgb), 0.88) 100%
  );
  transition: background 0.4s ease;
}

.afeed-card:hover .afeed-card__scrim {
  background: linear-gradient(
    178deg,
    rgba(var(--shadow-rgb), 0.05) 0%,
    rgba(var(--shadow-rgb), 0.38) 45%,
    rgba(var(--shadow-rgb), 0.85) 100%
  );
  backdrop-filter: blur(4px) brightness(0.5);
  transition:
    background 0.4s ease,
    backdrop-filter 0.4s ease;
}

.afeed-card.no-bg .afeed-card__scrim {
  background: none;
}

/* Red structural hairline that arms on hover */
.afeed-card::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--primary-color);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s ease;
  z-index: 4;
}

.afeed-card:hover::after {
  transform: scaleX(1);
}

.afeed-card:hover {
  transform: translateY(-3px);
  background-color: var(--surface-tint-on-dark-strong);
}

/* CRT scanline wash */
.afeed-card__scan {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline-on-dark) 2px,
    var(--scanline-on-dark) 4px
  );
}

/* Crosshair registration marks at corners */
.afeed-card__cross {
  position: absolute;
  z-index: 3;
  font-family: var(--afeed-mono);
  font-size: 14px;
  line-height: 1;
  color: var(--text-on-dark-faint);
  pointer-events: none;
}
.afeed-card__cross--tl {
  top: 8px;
  left: 8px;
}
.afeed-card__cross--br {
  bottom: 8px;
  right: 8px;
}

/* ---- Card meta / content ----------------------------------------- */
.afeed-card__top,
.afeed-card__body,
.afeed-card__open {
  position: relative;
  z-index: 2;
}

.afeed-card__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-family: var(--afeed-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.afeed-card__idx {
  color: var(--text-on-dark-subtle);
}

.afeed-card__cat {
  color: var(--primary-light);
  font-weight: 500;
}

.afeed-card__body {
  margin: auto 0 0;
}

.afeed-card__title {
  margin: 0 0 10px;
  color: var(--text-on-dark-strong);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.15;
  font-size: clamp(0.82rem, 0.95vw, 0.95rem);
}

.afeed-card.is-hero .afeed-card__title {
  font-size: clamp(1rem, 1.5vw, 1.45rem);
  line-height: 1.1;
}

.afeed-card.is-tall .afeed-card__title {
  font-size: clamp(0.9rem, 1.1vw, 1.05rem);
}

.afeed-card__sub {
  margin: 0;
  color: var(--text-on-dark-muted);
  font-size: 0.85rem;
  line-height: 1.5;
  font-weight: 300;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.afeed-card.is-hero .afeed-card__sub {
  font-size: 0.95rem;
  -webkit-line-clamp: 3;
  max-width: 60ch;
}

.afeed-card__open {
  margin-top: 18px;
  font-family: var(--afeed-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary-color);
  opacity: 0;
  transform: translateX(-6px);
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.afeed-card:hover .afeed-card__open {
  opacity: 1;
  transform: translateX(0);
}

.afeed-card__open--static {
  opacity: 0.6;
  transform: none;
}

/* ---- "More articles" terminal card ------------------------------- */
.afeed-card--more {
  align-items: flex-start;
  justify-content: center;
  gap: 12px;
  background-image: none;
  background-color: var(--shadow-color);
  border-left: 2px solid var(--primary-color);
}

.afeed-card--more:hover {
  background-color: var(--accent-glow-soft);
}

.afeed-card__plus {
  font-family: var(--afeed-mono);
  font-size: 1.4rem;
  color: var(--primary-color);
  letter-spacing: 0.1em;
}

.afeed-card__more-title {
  color: var(--text-on-dark-strong);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.1;
  font-size: clamp(0.95rem, 1.2vw, 1.15rem);
}

.afeed-card__more-text {
  color: var(--text-on-dark-muted);
  font-size: 0.85rem;
  font-weight: 300;
  line-height: 1.45;
  max-width: 26ch;
}

/* ---- Responsive collapse ----------------------------------------- */
@media (max-width: 1000px) {
  .articles-feed__grid {
    grid-template-columns: repeat(4, 1fr);
  }
  .afeed-card.is-hero {
    grid-column: span 4;
    grid-row: span 2;
  }
  .afeed-card.is-wide {
    grid-column: span 4;
  }
  .afeed-card.is-tall {
    grid-column: span 2;
    grid-row: span 2;
  }
  .afeed-card.is-std {
    grid-column: span 2;
  }
}

@media (max-width: 620px) {
  .articles-feed__grid {
    grid-template-columns: 1fr;
  }
  .afeed-card.is-hero,
  .afeed-card.is-wide,
  .afeed-card.is-tall,
  .afeed-card.is-std {
    grid-column: span 1;
    grid-row: span 1;
  }
  .afeed-card {
    min-height: 240px;
  }
  .afeed-card__open {
    opacity: 1;
    transform: none;
  }
}