/* ================================================================ */
/* ARTICLES PAGE — Industrial Brutalism / Tactical Telemetry         */
/* Token-only. Hero scroll-feed + filtered archive list.             */
/* ================================================================ */

.articles-page {
  --ap-mono: "JetBrains Mono", "IBM Plex Mono", "Courier New", monospace;
  background: var(--shadow-color);
}

/* ---- Empty state -------------------------------------------------- */
.apage-empty {
  min-height: 70vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  text-align: center;
  padding: 80px 20px;
}
.apage-empty h1 {
  margin: 0;
  color: var(--text-on-dark-strong);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  font-size: clamp(1.6rem, 4vw, 3rem);
}
.apage-empty p {
  margin: 0;
  color: var(--text-on-dark-muted);
  font-weight: 300;
}

/* ================================================================ */
/* HERO SCROLL FEED                                                  */
/* ================================================================ */
.ahero {
  display: flex;
  flex-direction: column;
}

.ahero-panel {
  position: relative;
  min-height: 84vh;
  display: flex;
  overflow: hidden;
  background-color: var(--shadow-color);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border-soft-on-dark);
  isolation: isolate;
}
.ahero-panel.no-bg {
  background-color: var(--surface-tint-on-dark);
}

.ahero-panel__scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(
      90deg,
      rgba(var(--shadow-rgb), 0.86) 0%,
      rgba(var(--shadow-rgb), 0.55) 45%,
      rgba(var(--shadow-rgb), 0.25) 100%
    ),
    linear-gradient(
      0deg,
      rgba(var(--shadow-rgb), 0.7) 0%,
      transparent 40%
    );
}

.ahero-panel__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
  );
}

.ahero-panel__cross {
  position: absolute;
  z-index: 3;
  font-family: var(--ap-mono);
  font-size: 16px;
  line-height: 1;
  color: var(--text-on-dark-faint);
  pointer-events: none;
}
.ahero-panel__cross--tl { top: 90px; left: 14px; }
.ahero-panel__cross--br { bottom: 14px; right: 14px; }

.ahero-panel__inner {
  position: relative;
  z-index: 2;
  align-self: center;
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: clamp(28px, 5vw, 90px);
}

.ahero-panel__meta {
  display: flex;
  gap: 18px;
  align-items: baseline;
  flex-wrap: wrap;
  font-family: var(--ap-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  margin-bottom: 22px;
}
.ahero-panel__idx { color: var(--text-on-dark-subtle); }
.ahero-panel__cat {
  color: var(--primary-light);
  font-weight: 500;
}

.ahero-panel__title {
  margin: 0;
  color: var(--text-on-dark-strong);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  line-height: 1.05;
  font-size: clamp(1rem, 2.3vw, 2.2rem);
}

.ahero-panel__sub {
  margin: 22px 0 0;
  color: var(--text-on-dark-muted);
  font-weight: 300;
  line-height: 1.55;
  font-size: clamp(0.95rem, 1.3vw, 1.15rem);
  max-width: 56ch;
}

.ahero-panel__cta {
  display: inline-block;
  margin-top: 34px;
  padding: 14px 26px;
  font-family: var(--ap-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-on-dark-strong);
  border: 1px solid var(--border-strong-on-dark);
  transition:
    background-color 0.3s ease,
    border-color 0.3s ease,
    color 0.3s ease;
}
.ahero-panel__cta:hover {
  color: var(--text-on-dark-strong);
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.ahero-panel__rev {
  position: absolute;
  z-index: 2;
  left: clamp(28px, 5vw, 90px);
  bottom: 26px;
  font-family: var(--ap-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-on-dark-faint);
}

/* ================================================================ */
/* FILTER + LIST                                                     */
/* ================================================================ */
.alist {
  padding: clamp(48px, 7vw, 110px) clamp(16px, 5vw, 80px);
  border-top: 1px solid var(--border-faint-on-dark);
}

.alist__head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--border-hairline-on-dark);
}
.alist__tag {
  font-family: var(--ap-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--primary-color);
  font-weight: 600;
}
.alist__title {
  margin: 0;
  color: var(--text-on-dark-strong);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: -0.04em;
  line-height: 0.95;
  font-size: clamp(1rem, 3vw, 2.75rem);
}

/* ---- Filter ------------------------------------------------------- */
.afilter {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  margin: 34px 0 44px;
  background: var(--border-soft-on-dark);
  border: 1px solid var(--border-soft-on-dark);
}
.afilter__btn {
  appearance: none;
  cursor: pointer;
  border: 0;
  padding: 14px 22px;
  font-family: var(--ap-mono);
  font-size: 0.74rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-on-dark-muted);
  background: var(--shadow-color);
  transition:
    background-color 0.25s ease,
    color 0.25s ease;
}
.afilter__btn:hover { color: var(--text-on-dark-strong); }
.afilter__n {
  color: var(--text-on-dark-faint);
  margin-left: 4px;
}
.afilter__btn.is-active {
  color: var(--text-on-dark-strong);
  background: var(--primary-color);
}
.afilter__btn.is-active .afilter__n {
  color: var(--text-on-dark-strong);
}

/* ---- Cards (photo left / content right) --------------------------- */
.acards {
  display: flex;
  flex-direction: column;
  gap: 1px;
  background: var(--border-soft-on-dark);
  border: 1px solid var(--border-soft-on-dark);
}

.acard {
  display: grid;
  grid-template-columns: minmax(0, 40%) 1fr;
  text-decoration: none;
  background: var(--shadow-color);
  transition: background-color 0.3s ease;
}
.acard:hover { background-color: var(--surface-tint-on-dark-strong); }
.acard[hidden] { display: none; }

.acard__media {
  position: relative;
  aspect-ratio: 16 / 9;
  background-color: var(--surface-tint-on-dark);
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  overflow: hidden;
}
.acard__media.no-bg::after {
  content: "NO SIGNAL";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--ap-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--text-on-dark-faint);
}
.acard__media .acard__scan {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline-on-dark) 2px,
    var(--scanline-on-dark) 4px
  );
}
.acard__idx {
  position: absolute;
  top: 12px;
  left: 12px;
  font-family: var(--ap-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--text-on-dark-strong);
  background: rgba(var(--shadow-rgb), 0.6);
  padding: 4px 8px;
}

.acard__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 12px;
  padding: clamp(20px, 3vw, 44px);
}
.acard__top {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 14px;
  font-family: var(--ap-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}
.acard__cat {
  color: var(--primary-light);
  font-weight: 500;
}
.acard__date { color: var(--text-on-dark-faint); }

.acard__title {
  margin: 0;
  color: var(--text-on-dark-strong);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: -0.01em;
  line-height: 1.18;
  font-size: clamp(1rem, 1.8vw, 1.5rem);
}
.acard__sub {
  margin: 0;
  color: var(--text-on-dark-muted);
  font-weight: 300;
  line-height: 1.55;
  font-size: 0.9rem;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.acard__open {
  margin-top: 6px;
  font-family: var(--ap-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 0.3s ease,
    transform 0.3s ease;
}
.acard:hover .acard__open {
  opacity: 1;
  transform: translateX(0);
}

.acards__none {
  padding: 60px 20px;
  text-align: center;
  color: var(--text-on-dark-muted);
  font-family: var(--ap-mono);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  background: var(--shadow-color);
}

/* ================================================================ */
/* MOBILE — TikTok / Instagram style snap feed                       */
/* ================================================================ */
@media (max-width: 760px) {
  .ahero {
    height: 100dvh;
    overflow-y: auto;
    scroll-snap-type: y mandatory;
    -webkit-overflow-scrolling: touch;
    overscroll-behavior-y: contain;
  }
  .ahero-panel {
    min-height: 100dvh;
    height: 100dvh;
    scroll-snap-align: start;
    scroll-snap-stop: always;
    border-bottom: 0;
  }
  .ahero-panel__inner { align-self: flex-end; }
  .ahero-panel__cross--tl { top: 80px; }

  .acard {
    grid-template-columns: 1fr;
  }
  .acard__open { opacity: 1; transform: none; }
}

@media (max-width: 480px) {
  .ahero-panel__title { font-size: clamp(1.1rem, 4vw, 1.5rem); }
}