/* Neural hero — typography + layering (workshop/landing/*) */

:root {
  --font-display: "Outfit", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, sans-serif;
  --neural-bg: #070914;
  --neural-node: #6b8fd4;
  --neural-line: rgba(255, 255, 255, 0.28);
  --hero-scrim: linear-gradient(
    165deg,
    rgba(7, 9, 20, 0.28) 0%,
    rgba(26, 54, 93, 0.48) 50%,
    rgba(15, 31, 56, 0.58) 100%
  );
}

body.landing-neural {
  font-family: var(--font-body);
}

body.landing-neural h1,
body.landing-neural h2,
body.landing-neural h3,
body.landing-neural h4,
body.landing-neural h5,
body.landing-neural h6,
body.landing-neural .section-title,
body.landing-neural .buttons a {
  font-family: var(--font-display);
}

body.landing-neural .section-label {
  font-family: var(--font-display);
  letter-spacing: 0.14em;
}

/* Hero: neural replaces flat gradient as base; scrim keeps copy readable */
.hero.hero--neural {
  background: var(--neural-bg);
  color: #f8fafc;
  isolation: isolate;
}

.hero.hero--neural::before {
  display: none;
}

.hero-network {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: auto;
  touch-action: pan-y;
}

.hero-network canvas {
  display: block;
  width: 100%;
  height: 100%;
}

@media (hover: none), (pointer: coarse) {
  .hero-network {
    pointer-events: none;
  }
}

.hero-scrim {
  position: absolute;
  inset: 0;
  z-index: 1;
  background: var(--hero-scrim);
  pointer-events: none;
}

.hero.hero--neural .hero-content {
  z-index: 2;
  pointer-events: none;
}

.hero.hero--neural .hero-content a {
  pointer-events: auto;
}

.hero.hero--neural .hero-text h1 {
  position: relative;
  overflow: hidden;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.08;
  text-wrap: balance;
  pointer-events: auto;
  cursor: default;
}

/* OriginKit Color Sweep — 5s JS loop; position via --sweep-x / --sweep-y on h1 */
.hero.hero--neural .text-color-sweep:not(.is-split),
.hero.hero--neural .text-color-sweep .hero-word {
  --sweep: linear-gradient(
    105deg,
    #e8eef8 0%,
    #ffffff 18%,
    #a8c0ef 38%,
    #4a6fc1 50%,
    #a8c0ef 62%,
    #ffffff 82%,
    #e8eef8 100%
  );
  background-image: var(--sweep);
  background-size: 280% 280%;
  background-position: var(--sweep-x, 0%) var(--sweep-y, 50%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

.hero.hero--neural .text-color-sweep .hero-word {
  display: inline-block;
  animation: hero-fall-in 0.72s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(var(--i, 0) * 70ms);
}

.hero.hero--neural .hero-fall-item {
  --fall-i: 0;
  animation: hero-fall-in 0.8s cubic-bezier(0.16, 1, 0.3, 1) both;
  animation-delay: calc(0.08s + var(--fall-i) * 110ms);
}

.hero.hero--neural .hero-fall-item.text-color-sweep {
  animation: none;
}

/* OriginKit merge: LiquidCarve blob clipped to glyphs, FluidText glass */
.hero-glass {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.22s ease;
}

.hero.hero--neural .text-color-sweep.is-glass-hover .hero-glass {
  opacity: 1;
}

.hero.hero--neural .text-color-sweep .hero-glass .hero-word {
  display: inline-block;
  animation: none;
  opacity: 1;
  transform: none;
  background-image:
    radial-gradient(
      circle 0.95rem at calc(var(--lx, -999px) - 0.95rem) calc(var(--ly, -999px) - 1.05rem),
      rgba(255, 255, 255, 0.95) 0%,
      transparent 72%
    ),
    radial-gradient(
      ellipse var(--rx, 3.6rem) var(--ry, 3.6rem) at var(--lx, -999px) var(--ly, -999px),
      rgba(196, 214, 238, 0.55) 0%,
      rgba(232, 238, 248, 0.35) 22%,
      rgba(255, 255, 255, 0.92) 44%,
      rgba(168, 192, 239, 0.5) 56%,
      transparent 70%
    );
  background-repeat: no-repeat;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

@media (prefers-reduced-motion: no-preference) {
  .hero.hero--neural h1[data-hero-fall]:not(.is-split) {
    opacity: 0;
  }
}

@keyframes hero-fall-in {
  from {
    opacity: 0;
    transform: translate3d(-3.25rem, -1.1rem, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}

.hero.hero--neural .hero-text p {
  font-weight: 400;
  color: rgba(248, 250, 252, 0.88);
  letter-spacing: 0.01em;
}

.hero.hero--neural .btn-primary {
  font-weight: 600;
  letter-spacing: 0.02em;
}

.hero.hero--neural .btn-secondary {
  font-weight: 500;
  border-color: rgba(255, 255, 255, 0.65);
}

/* Responsive hero — mobile, tablet, desktop */
@media (max-width: 767px) {
  .hero.hero--neural {
    min-height: min(100svh, 44rem);
    padding: clamp(5.5rem, 16vh, 7rem) 1rem clamp(2.75rem, 8vh, 4rem);
  }

  .hero.hero--neural .hero-text h1 {
    font-size: clamp(1.65rem, 7vw, 2.35rem);
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero.hero--neural {
    min-height: min(100svh, 50rem);
    padding: clamp(6rem, 14vh, 9rem) 1.25rem clamp(3.25rem, 9vh, 5.5rem);
  }
}

@media (min-width: 1024px) {
  .hero.hero--neural {
    min-height: min(100svh, 56rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .hero-network {
    pointer-events: none;
  }

  .hero.hero--neural .text-color-sweep:not(.is-split),
  .hero.hero--neural .text-color-sweep .hero-word,
  .hero.hero--neural .hero-fall-item {
    animation: none;
    opacity: 1;
    transform: none;
    color: #f8fafc;
    -webkit-text-fill-color: #f8fafc;
    background-image: none;
  }

  .hero-glass {
    display: none;
  }
}