/* ═══════════════════════════════════════════════════════════════
   NEXUS.LOG — HOME PAGE CSS
   ═══════════════════════════════════════════════════════════════ */

/* ── HERO ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex; flex-direction: column; justify-content: center;
  overflow: hidden;
}

/* Matrix canvas background */
.hero__matrix {
  position: absolute; inset: 0; z-index: 0;
  opacity: 0.35;
}
#matrixCanvas { width: 100%; height: 100%; display: block; }

/* Dark overlay gradient */
.hero__overlay {
  position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,10,15,0.85) 0%, rgba(10,10,15,0.60) 50%, rgba(10,10,15,0.95) 100%),
    linear-gradient(90deg, rgba(10,10,15,0.95) 0%, transparent 50%);
}

/* Diagonal accent line */
.hero__diag {
  position: absolute; z-index: 2; pointer-events: none;
  top: 0; right: 15%;
  width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(0,255,136,0.3), transparent);
}
.hero__diag::after {
  content: '';
  position: absolute;
  right: -50px; top: 0; width: 1px; height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(255,0,255,0.15), transparent);
}

.hero__content {
  position: relative; z-index: 3;
  padding-top: 140px; padding-bottom: var(--sp-24);
  max-width: 900px;
}

/* System status line */
.hero__status {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  margin-bottom: var(--sp-8);
  font-family: var(--font-body);
  font-size: var(--fs-xs);
  color: var(--text-muted);
}
.hero__status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: var(--glow-sm-green);
  animation: pulse 2s ease-in-out infinite;
  flex-shrink: 0;
}
@keyframes pulse {
  0%,100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-3xl), 7vw, var(--fs-6xl));
  font-weight: 900;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-display);
  text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: var(--sp-6);
}
.hero__title .line-green  { display: block; color: var(--neon-green); text-shadow: var(--glow-sm-green); }
.hero__title .line-normal { display: block; }
.hero__title .line-dim    { display: block; color: var(--text-dim); font-size: 0.65em; font-weight: 500; letter-spacing: var(--ls-widest); }

.hero__desc {
  font-size: var(--fs-md);
  color: var(--text-dim);
  line-height: var(--lh-loose);
  max-width: 58ch;
  margin-bottom: var(--sp-8);
}

.hero__actions { display: flex; gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-10); }

/* Stats bar */
.hero__stats {
  display: flex;
  gap: 0;
  border: 1px solid rgba(0,255,136,0.12);
  background: rgba(15,15,26,0.85);
  backdrop-filter: blur(8px);
  max-width: 700px;
}
.hero-stat {
  flex: 1; padding: var(--sp-5) var(--sp-6);
  border-right: 1px solid rgba(0,255,136,0.10);
  text-align: center;
}
.hero-stat:last-child { border-right: none; }
.hero-stat__num {
  display: block;
  font-family: var(--font-display);
  font-size: var(--fs-2xl);
  font-weight: 900;
  color: var(--neon-green);
  text-shadow: var(--glow-sm-green);
  line-height: 1;
  margin-bottom: var(--sp-1);
}
.hero-stat__label {
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
  text-transform: uppercase;
}

/* Scroll cue */
.hero__scroll {
  position: absolute; bottom: var(--sp-8); left: 50%;
  transform: translateX(-50%); z-index: 3;
  display: flex; flex-direction: column; align-items: center; gap: var(--sp-2);
  animation: scrollDown 2.5s ease-in-out infinite;
}
.hero__scroll-bar { display: block; width: 1px; height: 44px; background: linear-gradient(to bottom, var(--neon-green-dim), transparent); }
.hero__scroll-txt { font-family: var(--font-display); font-size: var(--fs-2xs); letter-spacing: var(--ls-widest); color: var(--text-ghost); }
@keyframes scrollDown {
  0%,100% { opacity: 0.4; transform: translateX(-50%) translateY(0); }
  50%      { opacity: 1;   transform: translateX(-50%) translateY(8px); }
}

/* ── TICKER STRIP ── */
.ticker {
  background: var(--surface);
  border-top: 1px solid rgba(0,255,136,0.12);
  border-bottom: 1px solid rgba(0,255,136,0.12);
  padding: var(--sp-3) 0;
  overflow: hidden;
}
.ticker__track {
  display: flex;
  animation: tickerScroll 30s linear infinite;
  white-space: nowrap;
}
.ticker__item {
  flex-shrink: 0;
  font-family: var(--font-display);
  font-size: var(--fs-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 0 var(--sp-8);
}
.ticker__item span { color: var(--neon-green); margin-right: var(--sp-2); }
@keyframes tickerScroll {
  0%   { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ── FEATURED ARTICLES ── */
.featured-sect { background: var(--void); }
.sect-header { margin-bottom: var(--sp-12); }
.feed-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-6);
}
.feed-card {
  display: flex; flex-direction: column;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--panel-border);
  position: relative;
  transition: border-color var(--dur-mid), box-shadow var(--dur-mid), transform var(--dur-mid);
}
.feed-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--neon-green-dim), transparent);
  opacity: 0; transition: opacity var(--dur-mid);
}
.feed-card:hover {
  border-color: rgba(0,255,136,0.30);
  box-shadow: var(--glow-sm-green);
  transform: translateY(-3px);
}
.feed-card:hover::before { opacity: 1; }
.feed-card__img-wrap { position: relative; height: 200px; overflow: hidden; }
.feed-card__img {
  width: 100%; height: 100%; object-fit: cover;
  filter: saturate(0.4) brightness(0.6);
  transition: transform var(--dur-slow), filter var(--dur-slow);
}
.feed-card:hover .feed-card__img { transform: scale(1.04); filter: saturate(0.6) brightness(0.7); }
.feed-card__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(10,10,15,0.85) 0%, transparent 60%);
}
.feed-card__cat {
  position: absolute; top: var(--sp-4); left: var(--sp-4);
}
.feed-card__body { padding: var(--sp-6); flex: 1; display: flex; flex-direction: column; }
.feed-card__meta { display: flex; align-items: center; gap: var(--sp-3); margin-bottom: var(--sp-3); flex-wrap: wrap; }
.feed-card__date { font-family: var(--font-display); font-size: var(--fs-2xs); color: var(--text-ghost); letter-spacing: var(--ls-wide); }
.feed-card__rt   { font-size: var(--fs-2xs); color: var(--text-muted); }
.feed-card__title {
  font-family: var(--font-display);
  font-size: var(--fs-md); font-weight: 700;
  color: var(--text-bright); line-height: var(--lh-snug);
  letter-spacing: var(--ls-wide); text-transform: uppercase;
  margin-bottom: var(--sp-3); flex: 1;
}
.feed-card__title a { color: var(--text-bright); transition: color var(--dur-fast); }
.feed-card__title a:hover { color: var(--neon-green); }
.feed-card__excerpt { font-size: var(--fs-sm); color: var(--text-dim); line-height: var(--lh-loose); margin-bottom: var(--sp-4); }
.feed-card__tags { display: flex; flex-wrap: wrap; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.feed-card__tag { font-family: var(--font-display); font-size: 0.58rem; letter-spacing: var(--ls-wider); color: var(--text-ghost); padding: 1px var(--sp-2); border: 1px solid var(--panel-border); }
.feed-card__link { font-family: var(--font-display); font-size: var(--fs-xs); letter-spacing: var(--ls-wider); text-transform: uppercase; color: var(--neon-green); }

/* ── TOPICS GRID ── */
.topics-sect { background: var(--surface); }
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-4);
}
.topic-card {
  padding: var(--sp-6);
  background: var(--surface-mid);
  border: 1px solid var(--panel-border);
  text-align: center;
  cursor: pointer;
  transition: all var(--dur-mid) var(--ease);
  position: relative;
  overflow: hidden;
}
.topic-card::after {
  content: '';
  position: absolute; inset: 0;
  background: var(--neon-green-ghost);
  opacity: 0; transition: opacity var(--dur-mid);
}
.topic-card:hover {
  border-color: var(--neon-green-dim);
  box-shadow: var(--glow-sm-green);
}
.topic-card:hover::after { opacity: 1; }
.topic-card:nth-child(2):hover { border-color: var(--cyan-dim); box-shadow: var(--glow-sm-cyan); }
.topic-card:nth-child(2)::after { background: var(--cyan-ghost); }
.topic-card:nth-child(3):hover { border-color: var(--magenta-dim); box-shadow: var(--glow-sm-magenta); }
.topic-card:nth-child(3)::after { background: var(--magenta-ghost); }
.topic-card:nth-child(4n+4):hover { border-color: var(--amber-glow); }

.topic-card__icon { font-size: 2rem; margin-bottom: var(--sp-3); display: block; position: relative; z-index: 1; }
.topic-card__name {
  font-family: var(--font-display);
  font-size: var(--fs-xs); font-weight: 700;
  letter-spacing: var(--ls-wider); text-transform: uppercase;
  color: var(--text-bright);
  margin-bottom: var(--sp-2);
  position: relative; z-index: 1;
}
.topic-card__count { font-size: var(--fs-2xs); color: var(--text-muted); position: relative; z-index: 1; }

/* ── SIGNAL INTEL SECTION ── */
.intel-sect { background: var(--void-deep); }
.intel-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--sp-16);
  align-items: center;
}
.intel-terminal {
  background: var(--surface-mid);
  border: 1px solid var(--neon-green-dim);
  box-shadow: var(--glow-sm-green);
  overflow: hidden;
}
.terminal-bar {
  background: var(--surface-rim);
  border-bottom: 1px solid var(--panel-border);
  padding: var(--sp-3) var(--sp-4);
  display: flex; align-items: center; gap: var(--sp-3);
}
.terminal-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.terminal-dot:nth-child(1) { background: var(--red-alert); }
.terminal-dot:nth-child(2) { background: var(--amber); }
.terminal-dot:nth-child(3) { background: var(--neon-green); }
.terminal-title { font-family: var(--font-display); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wider); margin-left: var(--sp-2); }
.terminal-body { padding: var(--sp-6); }
.terminal-line {
  font-family: var(--font-body);
  font-size: var(--fs-sm);
  line-height: var(--lh-code);
  margin-bottom: var(--sp-2);
}
.t-prompt  { color: var(--magenta); }
.t-cmd     { color: var(--cyan); }
.t-output  { color: var(--text-dim); padding-left: var(--sp-4); }
.t-success { color: var(--neon-green); }
.t-warn    { color: var(--amber); }
.t-error   { color: var(--red-alert); }
.t-comment { color: var(--text-ghost); font-style: italic; }

.intel-text__body { font-size: var(--fs-sm); color: var(--text-dim); line-height: var(--lh-loose); margin-bottom: var(--sp-4); }
.intel-stats { display: flex; flex-direction: column; gap: var(--sp-4); margin: var(--sp-8) 0; }
.intel-stat-row {
  display: flex; align-items: center; gap: var(--sp-4);
}
.intel-stat-row__label { font-family: var(--font-display); font-size: var(--fs-xs); color: var(--text-muted); letter-spacing: var(--ls-wide); min-width: 140px; }
.intel-stat-row__bar-wrap { flex: 1; height: 3px; background: var(--surface-rim); position: relative; }
.intel-stat-row__bar { height: 100%; background: var(--neon-green); box-shadow: var(--glow-sm-green); transition: width 1.5s var(--ease); }
.intel-stat-row__bar--cyan    { background: var(--cyan);    box-shadow: var(--glow-sm-cyan); }
.intel-stat-row__bar--magenta { background: var(--magenta); box-shadow: var(--glow-sm-magenta); }
.intel-stat-row__bar--amber   { background: var(--amber);   }
.intel-stat-row__val { font-family: var(--font-display); font-size: var(--fs-xs); color: var(--neon-green); min-width: 40px; text-align: right; }

/* ── CTA SECTION ── */
.cta-sect {
  position: relative;
  padding: var(--sp-32) 0;
  text-align: center;
  overflow: hidden;
}
.cta-sect__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse at center, rgba(0,255,136,0.07) 0%, transparent 65%),
    var(--surface-mid);
}
.cta-sect__bg::before,
.cta-sect__bg::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  transform: translate(-50%,-50%) rotate(45deg);
  border: 1px solid rgba(0,255,136,0.10);
}
.cta-sect__bg::before { width: 400px; height: 400px; }
.cta-sect__bg::after  { width: 700px; height: 700px; opacity: 0.5; }
.cta-sect__inner { position: relative; z-index: 1; }
.cta-sect__title {
  font-family: var(--font-display);
  font-size: clamp(var(--fs-2xl), 4vw, var(--fs-4xl));
  font-weight: 900; letter-spacing: var(--ls-display);
  text-transform: uppercase;
  color: var(--text-bright); line-height: var(--lh-tight);
  margin-bottom: var(--sp-5);
}
.cta-sect__title .neon { color: var(--neon-green); text-shadow: var(--glow-sm-green); }
.cta-sect__sub { font-size: var(--fs-md); color: var(--text-dim); max-width: 50ch; margin: 0 auto var(--sp-8); line-height: var(--lh-loose); }

/* ── RESPONSIVE ── */
@media (max-width: 1100px) {
  .feed-grid { grid-template-columns: 1fr 1fr; }
  .intel-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
  .hero__stats { max-width: 100%; }
}
@media (max-width: 700px) {
  .feed-grid { grid-template-columns: 1fr; }
  .topics-grid { grid-template-columns: repeat(2, 1fr); }
}