:root {
  color-scheme: light;
  --paper: #f4f7f3;
  --paper-strong: #fbfcf8;
  --ink: #141a18;
  --muted: #66706b;
  --line: rgba(20, 26, 24, 0.14);
  --line-strong: rgba(20, 26, 24, 0.24);
  --carbon: #151a1b;
  --carbon-2: #202828;
  --cyan: #4ee6d2;
  --green: #9af06e;
  --amber: #e8ca84;
  --shadow: 0 28px 90px rgba(22, 28, 25, 0.16);
  --radius: 8px;
  --content: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    linear-gradient(90deg, rgba(20, 26, 24, 0.045) 1px, transparent 1px) 0 0 / 72px 72px,
    linear-gradient(rgba(20, 26, 24, 0.035) 1px, transparent 1px) 0 0 / 72px 72px,
    radial-gradient(circle at 74% 10%, rgba(78, 230, 210, 0.18), transparent 31rem),
    radial-gradient(circle at 16% 22%, rgba(154, 240, 110, 0.14), transparent 26rem),
    var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  width: var(--content);
  min-height: 68px;
  margin: 14px auto 0;
  padding: 10px 10px 10px 16px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 24px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: color-mix(in oklch, var(--paper-strong) 88%, transparent);
  backdrop-filter: blur(18px);
  box-shadow: 0 16px 44px rgba(20, 26, 24, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 760;
  white-space: nowrap;
}

.brand img {
  border-radius: 8px;
  box-shadow: 0 8px 20px rgba(20, 26, 24, 0.16);
}

nav {
  display: flex;
  justify-content: center;
  gap: clamp(14px, 3vw, 34px);
  color: var(--muted);
  font-size: 0.92rem;
}

nav a,
.header-cta {
  transition: color 180ms ease, transform 180ms ease;
}

nav a:hover,
.header-cta:hover {
  color: var(--ink);
  transform: translateY(-1px);
}

.header-cta {
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--carbon);
  color: var(--paper-strong);
  font-weight: 720;
  font-size: 0.86rem;
}

.section-shell {
  width: var(--content);
  margin: 0 auto;
}

.hero {
  min-height: calc(100vh - 90px);
  padding: clamp(56px, 8vw, 112px) 0 clamp(36px, 6vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(420px, 1.14fr);
  align-items: center;
  gap: clamp(38px, 7vw, 88px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 18px;
  color: color-mix(in oklch, var(--carbon) 62%, var(--green));
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.76rem;
  font-weight: 820;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  max-width: 12ch;
  font-size: clamp(3.4rem, 8.2vw, 7.2rem);
  line-height: 0.92;
  letter-spacing: 0;
  font-weight: 850;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(1.95rem, 4.8vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
  font-weight: 820;
}

h3 {
  margin-bottom: 10px;
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  line-height: 1.06;
}

.hero-lede {
  max-width: 580px;
  color: var(--muted);
  font-size: clamp(1.04rem, 1.55vw, 1.24rem);
  line-height: 1.65;
}

.hero-actions,
.footer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 48px;
  padding: 14px 20px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-weight: 780;
  font-size: 0.95rem;
  border: 1px solid var(--line-strong);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

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

.button.primary {
  background: var(--carbon);
  color: var(--paper-strong);
  border-color: var(--carbon);
}

.button.ghost {
  background: rgba(251, 252, 248, 0.58);
}

.signal-row {
  margin: clamp(38px, 5vw, 62px) 0 0;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
}

.signal-row div {
  min-height: 86px;
  padding: 16px;
  background: rgba(251, 252, 248, 0.62);
}

.signal-row dt {
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.signal-row dd {
  margin: 8px 0 0;
  font-size: clamp(0.95rem, 1.5vw, 1.16rem);
  font-weight: 760;
}

.hero-stage {
  position: relative;
  min-height: 660px;
  display: grid;
  place-items: center;
}

.orbit {
  position: absolute;
  inset: 8% 5% 4% 10%;
  border: 1px solid rgba(20, 26, 24, 0.14);
  border-radius: 50%;
  transform: rotate(-10deg);
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 26px rgba(78, 230, 210, 0.8);
}

.orbit::before {
  left: 14%;
  top: 10%;
}

.orbit::after {
  right: 16%;
  bottom: 14%;
  background: var(--green);
}

.screen-frame {
  margin: 0;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: var(--radius);
  background: var(--carbon);
  box-shadow: var(--shadow);
}

.screen-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.main-screen {
  position: relative;
  width: min(760px, 100%);
  aspect-ratio: 16 / 10;
  transform: perspective(1200px) rotateY(-8deg) rotateX(3deg);
}

.floating-screen {
  position: absolute;
  right: 0;
  bottom: 6%;
  width: min(330px, 45%);
  aspect-ratio: 16 / 10;
  transform: perspective(900px) rotateY(-18deg) rotateZ(2deg);
  border-color: rgba(78, 230, 210, 0.34);
}

.status-module {
  position: absolute;
  left: 3%;
  top: 12%;
  width: 218px;
  padding: 16px;
  display: grid;
  gap: 4px;
  border: 1px solid rgba(154, 240, 110, 0.32);
  background: rgba(20, 26, 24, 0.88);
  color: var(--paper-strong);
  box-shadow: 0 18px 54px rgba(20, 26, 24, 0.28);
}

.status-module span:last-child {
  color: rgba(244, 247, 243, 0.68);
  font-size: 0.86rem;
}

.pulse {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 0 rgba(154, 240, 110, 0.54);
  animation: pulse 2.2s infinite;
}

.intro-band {
  padding: clamp(68px, 10vw, 132px) 0;
  background: var(--carbon);
  color: var(--paper-strong);
}

.intro-grid {
  display: grid;
  grid-template-columns: 0.8fr 1.5fr 0.9fr;
  gap: clamp(24px, 4vw, 58px);
  align-items: start;
}

.intro-grid h2 {
  max-width: 760px;
}

.intro-grid p:last-child {
  color: rgba(244, 247, 243, 0.66);
  font-size: 1rem;
  line-height: 1.7;
}

.feature-section,
.gallery-section,
.privacy-section {
  padding: clamp(72px, 10vw, 136px) 0;
}

.section-heading {
  max-width: 780px;
  margin-bottom: clamp(32px, 5vw, 56px);
}

.section-heading.split {
  max-width: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.42fr);
  gap: 32px;
  align-items: end;
}

.section-heading.split p:last-child {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.7;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.feature-block {
  min-height: 300px;
  padding: 24px;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(251, 252, 248, 0.68);
}

.feature-block.tall {
  grid-column: span 2;
  grid-row: span 2;
  min-height: 620px;
}

.feature-block.wide {
  grid-column: span 2;
}

.feature-block.dark {
  background:
    linear-gradient(145deg, rgba(78, 230, 210, 0.14), transparent 42%),
    var(--carbon);
  color: var(--paper-strong);
  border-color: rgba(244, 247, 243, 0.14);
}

.feature-block p {
  color: var(--muted);
}

.feature-block.dark p {
  color: rgba(244, 247, 243, 0.64);
}

.feature-block img {
  position: absolute;
  left: 24px;
  right: 24px;
  bottom: 24px;
  width: calc(100% - 48px);
  border: 1px solid rgba(20, 26, 24, 0.14);
  box-shadow: 0 22px 64px rgba(20, 26, 24, 0.16);
}

.feature-index {
  display: block;
  margin-bottom: 42px;
  color: color-mix(in oklch, var(--muted) 74%, var(--cyan));
  font-size: 0.78rem;
  font-weight: 820;
  letter-spacing: 0.12em;
}

.engine-section {
  padding: clamp(72px, 10vw, 140px) 0;
  background:
    linear-gradient(90deg, rgba(244, 247, 243, 0.06) 1px, transparent 1px) 0 0 / 54px 54px,
    linear-gradient(rgba(244, 247, 243, 0.05) 1px, transparent 1px) 0 0 / 54px 54px,
    var(--carbon);
  color: var(--paper-strong);
}

.engine-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(360px, 1.14fr);
  gap: clamp(36px, 7vw, 90px);
}

.engine-copy p:last-child {
  max-width: 610px;
  color: rgba(244, 247, 243, 0.66);
  font-size: 1rem;
  line-height: 1.72;
}

.capability-stack {
  display: grid;
  gap: 1px;
  background: rgba(244, 247, 243, 0.14);
  border: 1px solid rgba(244, 247, 243, 0.14);
}

.capability {
  min-height: 122px;
  padding: 22px;
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 18px;
  background: rgba(20, 26, 24, 0.86);
}

.capability span {
  color: var(--cyan);
  font-weight: 820;
}

.capability strong {
  font-size: 1.12rem;
}

.capability p {
  grid-column: 2;
  color: rgba(244, 247, 243, 0.62);
}

.capability.active {
  background: linear-gradient(90deg, rgba(78, 230, 210, 0.18), rgba(20, 26, 24, 0.92));
}

.gallery-rail {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr 0.8fr;
  gap: 14px;
  align-items: stretch;
}

.gallery-rail figure {
  margin: 0;
  padding: 10px;
  border: 1px solid var(--line);
  background: rgba(251, 252, 248, 0.72);
}

.gallery-rail img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border: 1px solid rgba(20, 26, 24, 0.12);
}

.gallery-rail figcaption {
  padding: 12px 4px 2px;
  color: var(--muted);
  font-size: 0.88rem;
}

.privacy-section {
  border-top: 1px solid var(--line);
}

.privacy-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1.1fr);
  gap: clamp(32px, 7vw, 86px);
}

.privacy-grid p {
  max-width: 620px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

.privacy-list {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.privacy-list div {
  min-height: 96px;
  padding: 20px;
  display: grid;
  gap: 6px;
  background: rgba(251, 252, 248, 0.72);
}

.privacy-list span {
  color: var(--muted);
}

.final-cta {
  margin-bottom: 72px;
  padding: clamp(28px, 5vw, 54px);
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--line);
  background: var(--paper-strong);
  box-shadow: 0 28px 90px rgba(20, 26, 24, 0.1);
}

.final-cta img {
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(20, 26, 24, 0.18);
}

.final-cta h2 {
  margin-bottom: 10px;
  font-size: clamp(1.9rem, 3.4vw, 3.4rem);
}

.final-cta p:not(.section-kicker) {
  margin-bottom: 0;
  color: var(--muted);
}

.site-footer {
  width: var(--content);
  min-height: 76px;
  margin: 0 auto;
  padding: 22px 0 36px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 14px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 0.9rem;
}

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 720ms ease, transform 720ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(154, 240, 110, 0.54);
  }
  70% {
    box-shadow: 0 0 0 16px rgba(154, 240, 110, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(154, 240, 110, 0);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  [data-reveal] {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: auto auto;
    justify-content: space-between;
  }

  nav {
    display: none;
  }

  .hero,
  .intro-grid,
  .engine-grid,
  .privacy-grid,
  .section-heading.split,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .hero-stage {
    min-height: 520px;
  }

  .feature-grid,
  .gallery-rail {
    grid-template-columns: 1fr 1fr;
  }

  .feature-block.tall,
  .feature-block.wide {
    grid-column: span 2;
  }

  .final-cta {
    justify-items: start;
  }
}

@media (max-width: 680px) {
  :root {
    --content: min(100vw - 24px, 1180px);
  }

  .site-header {
    min-height: 58px;
    margin-top: 8px;
  }

  .header-cta {
    padding: 9px 12px;
  }

  .brand span {
    max-width: 132px;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .hero {
    min-height: auto;
    padding-top: 48px;
  }

  h1 {
    font-size: clamp(2.9rem, 15vw, 4.4rem);
  }

  .hero-stage {
    min-height: 360px;
  }

  .floating-screen,
  .status-module {
    display: none;
  }

  .main-screen {
    transform: none;
  }

  .signal-row,
  .feature-grid,
  .gallery-rail {
    grid-template-columns: 1fr;
  }

  .feature-block.tall,
  .feature-block.wide {
    grid-column: auto;
    min-height: 320px;
  }

  .feature-block.tall {
    min-height: 520px;
  }

  .feature-block img {
    left: 16px;
    right: 16px;
    bottom: 16px;
    width: calc(100% - 32px);
  }

  .capability {
    grid-template-columns: 1fr;
  }

  .capability p {
    grid-column: auto;
  }

  .hero-actions,
  .footer-actions {
    width: 100%;
  }

  .button {
    width: 100%;
  }
}