:root {
  --pointer-x: 0;
  --pointer-y: 0;
  --scroll-progress: 0%;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -3;
  pointer-events: none;
  opacity: .23;
  background-image:
    linear-gradient(rgba(104, 170, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(104, 170, 255, .035) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, #000, transparent 76%);
  animation: grid-drift 24s linear infinite;
}

.page-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 2px;
  pointer-events: none;
  background: rgba(255, 255, 255, .025);
}

.page-progress span {
  display: block;
  width: var(--scroll-progress);
  height: 100%;
  border-radius: 0 999px 999px 0;
  background: linear-gradient(90deg, var(--cyan), var(--blue), var(--violet));
  box-shadow: 0 0 18px rgba(53, 217, 255, .7);
  transition: width .08s linear;
}

.ambient {
  will-change: transform;
  animation: ambient-drift 14s ease-in-out infinite alternate;
}

.ambient-two {
  animation-delay: -6s;
  animation-duration: 18s;
}

.site-header {
  animation: header-arrive .7s cubic-bezier(.2, .8, .2, 1) both;
  box-shadow: 0 12px 44px rgba(0, 7, 18, .22);
}

#main-nav a {
  position: relative;
  transition: color .2s ease, transform .2s ease;
}

#main-nav a::before {
  content: "";
  position: absolute;
  right: 0;
  bottom: -7px;
  left: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  transform: scaleX(0);
  transition: transform .24s ease;
}

#main-nav a:hover,
#main-nav a.active {
  color: #ecfaff;
  transform: translateY(-1px);
}

#main-nav a:hover::before,
#main-nav a.active::before {
  transform: scaleX(1);
}

.brand img {
  filter: drop-shadow(0 0 14px rgba(53, 217, 255, .18));
  transition: transform .35s ease, filter .35s ease;
}

.brand:hover img {
  transform: rotate(-6deg) scale(1.06);
  filter: drop-shadow(0 0 18px rgba(53, 217, 255, .4));
}

.button,
.header-login,
.download-card {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.button::after,
.header-login::after,
.download-card::after {
  content: "";
  position: absolute;
  inset: -80% auto -80% -45%;
  z-index: -1;
  width: 30%;
  pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .3), transparent);
  transform: rotate(18deg) translateX(-220%);
  transition: transform .7s ease;
}

.button:hover::after,
.header-login:hover::after,
.download-card:hover::after {
  transform: rotate(18deg) translateX(620%);
}

.button,
.text-link,
.header-login {
  transition: transform .22s ease, box-shadow .22s ease, border-color .22s ease, color .22s ease;
}

.button:hover,
.header-login:hover {
  transform: translateY(-2px);
}

.button-primary:hover {
  box-shadow: 0 20px 54px rgba(59, 163, 255, .36);
}

.text-link:hover {
  transform: translateX(4px);
}

.hero h1 em,
.harness-hero h1 em {
  background-size: 180% 180%;
  animation: gradient-flow 7s ease infinite;
}

.hero-stage.reveal.visible,
.harness-hero-visual.reveal.visible {
  animation: product-float 6.5s ease-in-out 1s infinite;
  transform-origin: center;
}

.hero-stage-image {
  min-height: 0;
  padding: 10px;
  border-radius: 24px;
}

.hero-stage-image .hero-screenshot {
  display: block;
  border: 0;
  border-radius: 16px;
  box-shadow: none;
}

.hero-screenshot,
.harness-hero-visual img {
  transition: filter .35s ease, transform .5s ease;
}

.hero-stage:hover .hero-screenshot,
.harness-hero-visual:hover img {
  filter: saturate(1.08) contrast(1.03);
  transform: scale(1.008);
}

.capability-card,
.workflow-card,
.price-card,
.harness-feature-card,
.steps-grid article,
.product-window,
.flow-window,
.showcase-image {
  transition: transform .3s cubic-bezier(.2, .8, .2, 1), border-color .3s ease, box-shadow .3s ease, background .3s ease;
}

.capability-card:hover,
.workflow-card:hover,
.price-card:hover,
.harness-feature-card:hover,
.steps-grid article:hover {
  z-index: 2;
  transform: translateY(-7px);
  border-color: rgba(83, 205, 255, .38);
  box-shadow: 0 24px 58px rgba(0, 8, 22, .34), 0 0 0 1px rgba(53, 217, 255, .045) inset;
}

.product-window:hover,
.flow-window:hover,
.showcase-image:hover {
  transform: translateY(-5px) scale(1.008);
  border-color: rgba(83, 205, 255, .34);
  box-shadow: 0 34px 88px rgba(0, 8, 22, .52);
}

.feature-icon,
.card-icon,
.platform-icon {
  transition: transform .32s cubic-bezier(.2, .8, .2, 1), box-shadow .32s ease;
}

.harness-feature-card:hover .feature-icon,
.capability-card:hover .card-icon,
.download-card:hover .platform-icon {
  transform: translateY(-3px) rotate(-4deg) scale(1.07);
  box-shadow: 0 14px 30px rgba(53, 217, 255, .15);
}

.section-kicker,
.eyebrow {
  animation: soft-glow 4.8s ease-in-out infinite;
}

.privacy-core {
  animation: core-breathe 4s ease-in-out infinite;
}

.orbit {
  animation: orbit-turn 22s linear infinite;
}

.orbit-two {
  animation-direction: reverse;
  animation-duration: 30s;
}

.live-dot {
  animation: live-pulse 2.2s ease-in-out infinite;
}

@keyframes grid-drift {
  to { background-position: 54px 54px; }
}

@keyframes ambient-drift {
  from { transform: translate3d(-2%, -3%, 0) scale(.96); opacity: .34; }
  to { transform: translate3d(5%, 4%, 0) scale(1.08); opacity: .52; }
}

@keyframes header-arrive {
  from { opacity: 0; transform: translateY(-18px); }
  to { opacity: 1; transform: none; }
}

@keyframes gradient-flow {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

@keyframes product-float {
  0%, 100% { transform: perspective(1400px) translate3d(0, 0, 0) rotateX(calc(var(--pointer-y) * -1deg)) rotateY(calc(var(--pointer-x) * 1deg)); }
  50% { transform: perspective(1400px) translate3d(0, -9px, 0) rotateX(calc(var(--pointer-y) * -1deg)) rotateY(calc(var(--pointer-x) * 1deg)); }
}

@keyframes soft-glow {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.18); }
}

@keyframes core-breathe {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(53, 217, 255, .08); }
  50% { transform: scale(1.035); box-shadow: 0 0 0 18px rgba(53, 217, 255, 0); }
}

@keyframes orbit-turn {
  to { transform: rotate(360deg); }
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 5px rgba(66, 227, 164, .1); }
  50% { box-shadow: 0 0 0 10px rgba(66, 227, 164, 0); }
}

@media (max-width: 1080px) {
  #main-nav a::before {
    display: none;
  }

  #main-nav a:hover,
  #main-nav a.active {
    transform: none;
  }
}

@media (max-width: 720px) {
  body::before {
    background-size: 38px 38px;
  }

  .hero-stage.reveal.visible,
  .harness-hero-visual.reveal.visible {
    animation-name: product-float-mobile;
  }
}

@keyframes product-float-mobile {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-5px); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
  }
}