/* =====================================================================
   Hero — full-viewport, node-network canvas, parallax grid, marquee
   ===================================================================== */

.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-top: 88px;
  overflow: hidden;
  isolation: isolate;
}

.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: -3;
  opacity: 0.9;
}

/* Technical grid — parallax layer */
.hero__grid {
  position: absolute;
  inset: -20% -10% -10%;
  z-index: -2;
  background-image:
    linear-gradient(var(--line-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-faint) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%);
  mask-image: radial-gradient(120% 90% at 50% 40%, #000 30%, transparent 78%);
  will-change: transform;
}

/* Glow blooms */
.hero__glow {
  position: absolute;
  z-index: -2;
  inset: 0;
  background:
    radial-gradient(40% 50% at 18% 30%, var(--signal-tint-14), transparent 70%),
    radial-gradient(38% 45% at 85% 70%, var(--spark-tint-14), transparent 70%);
  filter: blur(20px);
}

/* Slow scan line sweeping down */
.hero__scan {
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: linear-gradient(
    to bottom,
    transparent,
    var(--signal-tint-08) 50%,
    transparent
  );
  height: 40%;
  animation: scan 9s linear infinite;
}
@keyframes scan {
  0% { transform: translateY(-100%); opacity: 0; }
  10%, 90% { opacity: 1; }
  100% { transform: translateY(320%); opacity: 0; }
}

.hero__inner {
  position: relative;
  z-index: 1;
}

.hero__kicker {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 1.6rem;
}
.hero__coord {
  margin-left: auto;
  color: var(--text-faint);
  display: none;
}

.hero__title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-display);
  line-height: var(--lh-tight);
  letter-spacing: var(--tracking-display);
  margin-bottom: 1.8rem;
}
.hero__title .line {
  display: block;
}
.hero__title .line--outline {
  color: transparent;
  -webkit-text-stroke: 1.4px var(--text);
  position: relative;
}
.hero__title .line--outline::after {
  content: "Solutions";
  position: absolute;
  inset: 0;
  background: var(--gradient-signal);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-stroke: 0;
  color: transparent;
  clip-path: inset(0 100% 0 0);
  animation: solutionsReveal 1.2s var(--ease-out-expo) 1s forwards;
}
@keyframes solutionsReveal {
  to {
    clip-path: inset(0 0 0 0);
  }
}

.hero__sub {
  max-width: 36rem;
  font-size: var(--fs-lead);
  line-height: 1.45;
  color: var(--text-muted);
  margin-bottom: 2.4rem;
}

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
}

/* Entrance animation for staggered hero items */
.js .hero__kicker,
.js .hero__title .line,
.js .hero__sub,
.js .hero__cta,
.js .hud-chip {
  opacity: 0;
  transform: translateY(26px);
  animation: heroReveal 0.9s var(--ease-out-quart) forwards;
  animation-delay: calc(var(--i, 0) * 110ms + 120ms);
}
@keyframes heroReveal {
  to { opacity: 1; transform: none; }
}

/* HUD chips bottom-right */
.hero__hud {
  position: relative;
  z-index: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: clamp(2.5rem, 6vh, 5rem);
}
.hud-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: oklch(100% 0 0 / 0.025);
  backdrop-filter: blur(6px);
  font-size: 0.85rem;
  color: var(--text-muted);
}
.hud-chip__k {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--signal-bright);
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  background: var(--signal-tint-08);
}

/* Scroll cue */
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: 1.8rem;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-faint);
}
.hero__scroll-line {
  width: 1px;
  height: 46px;
  background: var(--line-strong);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: "";
  position: absolute;
  inset: 0;
  background: var(--gradient-signal);
  animation: scrollCue 2s var(--ease-out-expo) infinite;
}
@keyframes scrollCue {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

@media (min-width: 720px) {
  .hero__coord { display: inline; }
}
@media (prefers-reduced-motion: reduce) {
  .hero__scan,
  .hero__scroll-line::after { animation: none; }
  .js .hero__kicker,
  .js .hero__title .line,
  .js .hero__sub,
  .js .hero__cta,
  .js .hud-chip {
    opacity: 1;
    transform: none;
    animation: none;
  }
  .hero__title .line--outline::after { clip-path: inset(0 0 0 0); animation: none; }
}

/* =====================================================================
   Marquee strip
   ===================================================================== */
.marquee {
  position: relative;
  border-block: 1px solid var(--line);
  background: var(--ink-850);
  overflow: hidden;
  padding-block: 1.1rem;
}
.marquee__track {
  display: flex;
  align-items: center;
  gap: 1.6rem;
  width: max-content;
  animation: marquee 38s linear infinite;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(1.1rem, 0.8rem + 1.4vw, 1.8rem);
  letter-spacing: -0.01em;
  color: var(--text-muted);
}
.marquee__track .dot {
  color: var(--signal);
  font-family: var(--font-mono);
}
.marquee:hover .marquee__track {
  animation-play-state: paused;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}
@media (prefers-reduced-motion: reduce) {
  .marquee__track { animation: none; }
}