:root {
  color-scheme: dark;
  --navy-950: #050b18;
  --navy-900: #081126;
  --navy-800: #0a1b35;
  --blue-700: #0858a8;
  --blue-500: #1683f8;
  --text: #f8f8f8;
  --muted: #c8d1db;
  --quiet: #91a8c6;
  --panel: #282828;
  --panel-border: #4b4b4b;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--navy-900);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--navy-900);
  color: var(--text);
}

::selection {
  background: rgba(22, 131, 248, 0.46);
  color: #fff;
}

button,
a {
  font: inherit;
}

a {
  color: #78b9ff;
  text-underline-offset: 0.2em;
}

button:focus-visible,
a:focus-visible {
  outline: 3px solid #78b9ff;
  outline-offset: 4px;
}

.hero {
  position: relative;
  min-height: 100svh;
  aspect-ratio: 8 / 5;
  overflow: hidden;
  background:
    linear-gradient(90deg, var(--navy-950) 0%, var(--navy-900) 43%, var(--navy-800) 100%);
  isolation: isolate;
}

.brand {
  position: absolute;
  z-index: 3;
  top: 6.5%;
  left: 6.5%;
  display: flex;
  align-items: center;
  gap: clamp(0.65rem, 0.8vw, 1.35rem);
}

.brand > img {
  width: clamp(3.25rem, 4.25vw, 7.65rem);
  height: clamp(3.25rem, 4.25vw, 7.65rem);
  border-radius: 22%;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.28);
}

.brand-copy {
  display: grid;
  gap: 0.08em;
  line-height: 1;
}

.brand-copy strong {
  font-size: clamp(1.5rem, 2vw, 3.6rem);
  letter-spacing: -0.035em;
}

.brand-copy span {
  color: var(--muted);
  font-size: clamp(0.88rem, 1vw, 1.8rem);
  font-weight: 600;
}

.hero-message {
  position: absolute;
  z-index: 2;
  top: 28.8%;
  left: 6.25%;
}

h1 {
  max-width: none;
  margin: 0;
  font-size: clamp(3rem, 4.15vw, 7.5rem);
  font-weight: 720;
  letter-spacing: -0.025em;
  line-height: 0.98;
  text-wrap: balance;
  white-space: nowrap;
}

.hero-copy {
  position: absolute;
  z-index: 2;
  top: 59.2%;
  left: 6.25%;
  width: min(39vw, 36rem);
  margin: 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.62vw, 2.95rem);
  font-weight: 520;
  line-height: 1.42;
  letter-spacing: 0.035em;
}

.purchase-button {
  min-height: 3.25rem;
  padding: 0.8rem 1.35rem;
  border: 1px solid rgba(123, 188, 255, 0.28);
  border-radius: 0.75rem;
  background: rgba(16, 91, 169, 0.38);
  color: #aec8e6;
  font-weight: 680;
  letter-spacing: -0.01em;
  cursor: not-allowed;
}

.hero-purchase {
  position: absolute;
  z-index: 2;
  top: 70.5%;
  left: 6.25%;
}

.trust-line {
  position: absolute;
  z-index: 2;
  top: 79.5%;
  left: 6.25%;
  display: flex;
  gap: 0;
  margin: 0;
  color: var(--quiet);
  font-size: clamp(0.78rem, 0.88vw, 1.55rem);
  font-weight: 650;
}

.trust-line span + span::before {
  content: "•";
  padding: 0 0.75em;
  color: #5f7da5;
}

.orbit-field {
  position: absolute;
  z-index: 0;
  top: 50%;
  left: 79%;
  width: min(95vw, 108rem);
  aspect-ratio: 1;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  background: repeating-radial-gradient(
    circle,
    transparent 0,
    transparent clamp(2.7rem, 4.25vw, 7.65rem),
    rgba(34, 85, 142, 0.17) calc(clamp(2.7rem, 4.25vw, 7.65rem) + 1px),
    transparent calc(clamp(2.7rem, 4.25vw, 7.65rem) + 2px)
  );
  mask-image: linear-gradient(90deg, transparent 0%, #000 24%, #000 100%);
  pointer-events: none;
  animation: signal-breathe 12s ease-in-out infinite alternate;
}

.product-demo {
  position: absolute;
  z-index: 2;
  top: 14%;
  right: 8.3%;
  width: clamp(25rem, 35vw, 63rem);
  color: #f4f4f4;
  filter: drop-shadow(0 22px 44px rgba(0, 0, 0, 0.28));
  animation: demo-settle 900ms cubic-bezier(0.16, 1, 0.3, 1) both;
}

@keyframes demo-settle {
  from {
    transform: translateY(14px);
    filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.18));
  }
  to {
    transform: translateY(0);
    filter: drop-shadow(0 22px 44px rgba(0, 0, 0, 0.28));
  }
}

@keyframes signal-breathe {
  from {
    opacity: 0.72;
    transform: translate(-50%, -50%) scale(0.985);
  }
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1.015);
  }
}

.menu-strip {
  height: clamp(1.65rem, 2.1vw, 3.75rem);
  margin-left: -20%;
  margin-bottom: clamp(0.5rem, 0.8vw, 1.35rem);
  padding: 0 clamp(0.75rem, 1.1vw, 2rem);
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.55rem;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: clamp(0.55rem, 0.75vw, 1.3rem);
  background: #282828;
  color: #f0f0f0;
  font-size: clamp(0.65rem, 0.72vw, 1.3rem);
  font-weight: 600;
}

.menu-strip img {
  width: 1.1em;
  height: 1.1em;
  border-radius: 24%;
  filter: grayscale(1) brightness(2.4);
}

.app-window {
  padding: clamp(1rem, 1.45vw, 2.6rem);
  border-radius: clamp(0.85rem, 1.05vw, 1.9rem);
  background: var(--panel);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.32);
}

.app-brand {
  display: flex;
  align-items: center;
  gap: 0.45em;
  font-size: clamp(0.75rem, 0.9vw, 1.6rem);
}

.app-brand img {
  width: 1.15em;
  height: 1.15em;
  border-radius: 24%;
  filter: grayscale(1) brightness(2.4);
}

.app-brand strong {
  font-size: 1.1em;
}

.app-brand span {
  color: #b8b8b8;
}

.app-divider {
  height: 1px;
  margin: clamp(0.75rem, 1vw, 1.8rem) 0;
  background: #3d3d3d;
}

.app-state {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: clamp(0.75rem, 1vw, 1.8rem);
  align-items: start;
}

.state-symbol {
  display: grid;
  width: 1.85em;
  height: 1.85em;
  place-items: center;
  border: 2px solid #a6a6a6;
  border-radius: 50%;
  color: #c4c4c4;
  font-size: clamp(0.72rem, 0.85vw, 1.55rem);
  font-weight: 700;
}

.app-state strong {
  display: block;
  font-size: clamp(0.88rem, 1vw, 1.8rem);
  letter-spacing: -0.02em;
}

.app-state p {
  max-width: 39ch;
  margin: clamp(1rem, 1.6vw, 2.9rem) 0 clamp(1.2rem, 2.6vw, 4.7rem);
  color: #c3c3c3;
  font-size: clamp(0.75rem, 0.86vw, 1.55rem);
  line-height: 1.45;
}

.app-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: clamp(0.75rem, 1vw, 1.8rem);
  border-top: 1px solid #3d3d3d;
  color: #d1d1d1;
  font-size: clamp(0.68rem, 0.8vw, 1.45rem);
}

.check-control {
  padding: 0.55em 1.65em;
  border-radius: 0.55em;
  background: #0b63b9;
  color: #fff;
  font-weight: 650;
}

.product-promise {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(20rem, 0.75fr);
  gap: clamp(3rem, 8vw, 10rem);
  padding: clamp(7rem, 13vw, 14rem) max(6.25vw, 1.4rem);
  border-top: 1px solid rgba(122, 156, 198, 0.16);
  background: #071020;
}

.product-promise h2,
.diagnostic-story h2,
.privacy-statement h2,
.release-callout h2 {
  margin: 0;
  font-size: clamp(2.8rem, 5.2vw, 6rem);
  line-height: 0.98;
  letter-spacing: -0.04em;
  text-wrap: balance;
}

.promise-copy {
  align-self: end;
  max-width: 39rem;
  color: var(--muted);
  font-size: clamp(1.1rem, 1.55vw, 1.6rem);
  line-height: 1.55;
}

.promise-copy p {
  margin: 0;
}

.promise-copy p + p {
  margin-top: 1.4em;
  color: var(--quiet);
}

.diagnostic-stories {
  background: var(--navy-900);
}

.diagnostic-story {
  min-height: min(68rem, 88svh);
  display: grid;
  grid-template-columns: minmax(19rem, 0.75fr) minmax(0, 1.25fr);
  align-items: center;
  gap: clamp(3rem, 7vw, 8rem);
  padding: clamp(6rem, 10vw, 11rem) max(6.25vw, 1.4rem);
  border-top: 1px solid rgba(122, 156, 198, 0.14);
}

.diagnostic-story--reverse .story-copy {
  order: 2;
}

.diagnostic-story--reverse figure {
  order: 1;
}

.story-copy {
  max-width: 39rem;
}

.diagnostic-story h2 {
  font-size: clamp(2.65rem, 4.7vw, 5.5rem);
}

.story-copy p {
  max-width: 34rem;
  margin: clamp(2rem, 4vw, 3.75rem) 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.35vw, 1.45rem);
  line-height: 1.55;
}

.diagnostic-story figure {
  margin: 0;
  border: 1px solid rgba(122, 156, 198, 0.18);
  border-radius: clamp(1rem, 1.8vw, 2rem);
  overflow: hidden;
  background: #071020;
  box-shadow: 0 34px 90px rgba(0, 0, 0, 0.22);
}

.diagnostic-story img {
  display: block;
  width: 100%;
  height: auto;
}

.privacy-statement {
  padding: clamp(8rem, 15vw, 16rem) max(6.25vw, 1.4rem);
  border-top: 1px solid rgba(122, 156, 198, 0.14);
  background: #050b18;
  text-align: center;
}

.privacy-statement > p {
  margin: 0 0 clamp(2rem, 4vw, 3.5rem);
  color: var(--quiet);
  font-size: 1rem;
  font-weight: 650;
}

.privacy-statement h2 {
  max-width: 12ch;
  margin-inline: auto;
}

.privacy-facts {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0;
  margin-top: clamp(3rem, 6vw, 5rem);
  color: var(--muted);
  font-size: clamp(0.95rem, 1.2vw, 1.15rem);
  font-weight: 620;
}

.privacy-facts span + span::before {
  content: "•";
  padding: 0 0.8em;
  color: #5276a4;
}

.release-callout {
  position: relative;
  overflow: hidden;
  padding: clamp(7rem, 14vw, 15rem) max(6.25vw, 1.4rem);
  border-top: 1px solid rgba(122, 156, 198, 0.14);
  background: #08152a;
  text-align: center;
}

.release-callout::before {
  content: "";
  position: absolute;
  inset: -30%;
  background: repeating-radial-gradient(circle at center, transparent 0 5rem, rgba(45, 99, 160, 0.13) calc(5rem + 1px), transparent calc(5rem + 2px));
  pointer-events: none;
}

.release-callout > div {
  position: relative;
  max-width: 66rem;
  margin-inline: auto;
}

.release-callout img {
  width: clamp(4.5rem, 7vw, 7rem);
  height: clamp(4.5rem, 7vw, 7rem);
  margin-bottom: clamp(2rem, 4vw, 3.5rem);
  border-radius: 22%;
  box-shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
}

.release-callout p {
  max-width: 44rem;
  margin: clamp(2rem, 4vw, 3rem) auto;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.45vw, 1.35rem);
  line-height: 1.5;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.6rem max(6.25vw, 1.4rem);
  border-top: 1px solid rgba(122, 156, 198, 0.14);
  background: #050b18;
  color: var(--quiet);
  font-size: 0.9rem;
}

footer span:first-child {
  color: var(--text);
  font-weight: 720;
}

@media (max-width: 780px) {
  .hero {
    min-height: 940px;
    aspect-ratio: auto;
  }

  .brand {
    top: 2rem;
    left: 1.4rem;
  }

  .brand > img {
    width: 3.15rem;
    height: 3.15rem;
  }

  .hero-message {
    top: 9.8rem;
    left: 1.4rem;
    right: 1.4rem;
  }

  h1 {
    font-size: clamp(3.15rem, 14vw, 4.7rem);
    white-space: normal;
  }

  .hero-copy {
    top: 20.5rem;
    left: 1.4rem;
    width: min(31rem, calc(100% - 2.8rem));
    font-size: 1.15rem;
  }

  .hero-purchase {
    top: 27rem;
    left: 1.4rem;
  }

  .trust-line {
    top: 31.5rem;
    left: 1.4rem;
    flex-wrap: wrap;
    font-size: 0.76rem;
  }

  .orbit-field {
    top: 68%;
    left: 65%;
    width: 52rem;
    opacity: 0.9;
  }

  .product-demo {
    top: 37rem;
    right: auto;
    left: 1.4rem;
    width: calc(100% - 2.8rem);
  }

  .menu-strip {
    margin-left: 7%;
  }

  .app-window {
    padding: 1rem;
  }

  .app-state p {
    margin: 1rem 0 2rem;
  }

  .product-promise,
  .diagnostic-story {
    grid-template-columns: 1fr;
  }

  .product-promise {
    gap: 3rem;
  }

  .diagnostic-story {
    min-height: 0;
    gap: 3.5rem;
  }

  .diagnostic-story .story-copy,
  .diagnostic-story figure {
    order: initial;
  }

  .diagnostic-story figure {
    margin-inline: -0.25rem;
    border-radius: 1rem;
  }

  .privacy-facts {
    display: grid;
    gap: 0.9rem;
  }

  .privacy-facts span + span::before {
    content: none;
  }

  footer {
    flex-direction: column;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .orbit-field,
  .product-demo {
    animation: none;
  }
}