:root {
  color-scheme: dark;
  --bg: #050505;
  --ink: #f5f1e9;
  --muted: rgba(245, 241, 233, 0.68);
  --faint: rgba(245, 241, 233, 0.14);
  --line: rgba(245, 241, 233, 0.18);
  --accent: #77d9ff;
  --warm: #ffb35b;
  --header-height: 76px;
  --scroll-depth: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 86% 8%, rgba(255, 179, 91, 0.16), transparent 30vw),
    radial-gradient(circle at 8% 36%, rgba(119, 217, 255, 0.13), transparent 34vw),
    #050505;
  color: var(--ink);
  letter-spacing: 0;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 100% 4px;
  opacity: 0.18;
}

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 30;
  height: var(--header-height);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 18px clamp(20px, 4vw, 64px);
  color: rgba(255, 255, 255, 0.92);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(5, 5, 5, 0.66), rgba(5, 5, 5, 0));
  pointer-events: none;
}

.brand-mark,
.nav-cta,
.site-header nav {
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.is-ready .brand-mark,
.is-ready .nav-cta,
.is-ready .site-header nav {
  opacity: 1;
  transform: translateY(0);
}

.brand-mark {
  justify-self: start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 15px;
  font-weight: 700;
}

.brand-mark img {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

.site-header nav {
  display: flex;
  gap: 28px;
  justify-content: center;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
}

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

.site-header nav a:hover {
  color: #fff;
}

.nav-cta {
  justify-self: end;
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 16px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  font-size: 14px;
  font-weight: 700;
  backdrop-filter: blur(18px) saturate(1.25);
}

.nav-cta:hover {
  border-color: rgba(255, 255, 255, 0.48);
  background: rgba(255, 255, 255, 0.14);
}

.hero {
  position: relative;
  height: min(90svh, 1020px);
  min-height: 760px;
  isolation: isolate;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: var(--header-height) clamp(20px, 5vw, 78px) 7svh;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -3;
  background:
    radial-gradient(circle at 78% 30%, rgba(119, 217, 255, 0.34), transparent 29vw),
    radial-gradient(circle at 50% 54%, rgba(255, 179, 91, 0.24), transparent 36vw),
    radial-gradient(circle at 18% 36%, rgba(196, 85, 255, 0.24), transparent 31vw),
    linear-gradient(115deg, #050505 0%, #111018 42%, #1c2630 64%, #080808 100%);
  transform: scale(1.02);
  filter: saturate(1.06) contrast(1.02);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 22svh;
  background: linear-gradient(0deg, var(--bg), transparent);
}

.hero-shade {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(5, 5, 5, 0.82), rgba(5, 5, 5, 0.42) 48%, rgba(5, 5, 5, 0.16)),
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: auto, 100% 5px, 44px 100%;
  mask-image: linear-gradient(180deg, black 0%, black 82%, transparent 100%);
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 630px;
  padding-top: 5svh;
}

.kicker {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 14px;
  font-size: clamp(72px, 12vw, 178px);
  line-height: 0.82;
  font-weight: 860;
  letter-spacing: 0;
}

.hero-line {
  max-width: 560px;
  margin-bottom: 14px;
  font-size: clamp(34px, 4.4vw, 64px);
  line-height: 0.98;
  font-weight: 780;
}

.hero-line span {
  display: block;
}

.hero-body {
  max-width: 480px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 23px);
  line-height: 1.35;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 800;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button.primary {
  color: #071015;
  background: linear-gradient(135deg, #f8fbff, #93e2ff 60%, #f8d79a);
}

.button.quiet {
  color: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px) saturate(1.2);
}

.hero-media {
  position: absolute;
  right: clamp(26px, 4vw, 72px);
  bottom: clamp(34px, 7svh, 92px);
  z-index: 1;
  width: min(58vw, 980px);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: clamp(22px, 2.4vw, 38px);
  box-shadow: 0 44px 110px rgba(0, 0, 0, 0.5);
  opacity: 0;
  transform: translate3d(7vw, calc(34px + var(--scroll-depth) * 0.15px), 0) scale(0.94);
  transition: opacity 900ms ease 180ms, transform 900ms cubic-bezier(.2, .8, .2, 1) 180ms;
}

.is-ready .hero-media {
  opacity: 1;
  transform: translate3d(0, calc(var(--scroll-depth) * 0.15px), 0) scale(calc(1 - var(--scroll-depth) * 0.00004));
}

.demo-video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 0;
  box-shadow: none;
  filter: brightness(1.12) contrast(1.08) saturate(1.08);
}

.hero-media .demo-video {
  transform: scale(1.72);
  transform-origin: 52% 55%;
}

.hero-copy > * {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 800ms ease, transform 800ms cubic-bezier(.2, .8, .2, 1);
}

.is-ready .hero-copy > * {
  opacity: 1;
  transform: translateY(0);
}

.is-ready .hero-copy > :nth-child(2) {
  transition-delay: 80ms;
}

.is-ready .hero-copy > :nth-child(3) {
  transition-delay: 150ms;
}

.is-ready .hero-copy > :nth-child(4) {
  transition-delay: 210ms;
}

.is-ready .hero-copy > :nth-child(5) {
  transition-delay: 270ms;
}

.feature-band,
.showcase,
.type-wall,
.faq,
.download {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.section-heading {
  max-width: 760px;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(42px, 7vw, 108px);
  line-height: 0.92;
  font-weight: 820;
  letter-spacing: 0;
}

.feature-band {
  position: relative;
  z-index: 5;
  margin-top: 0;
  padding: 104px 0 80px;
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  margin-top: 68px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.flow-line > div {
  min-height: 260px;
  padding: 28px clamp(18px, 2.5vw, 34px) 30px 0;
  border-right: 1px solid var(--line);
}

.flow-line > div + div {
  padding-left: clamp(18px, 2.5vw, 34px);
}

.flow-line > div:last-child {
  border-right: 0;
}

.flow-line span {
  display: block;
  margin-bottom: 74px;
  color: var(--warm);
  font-size: 12px;
  font-weight: 850;
}

.flow-line strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(22px, 2.3vw, 31px);
  line-height: 1;
}

.flow-line p,
.showcase-copy p,
.wall-grid p,
.faq p,
.download p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.48;
}

.showcase {
  min-height: 100svh;
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(30px, 6vw, 88px);
  align-items: center;
  padding: 96px 0;
}

.showcase-copy {
  position: sticky;
  top: 120px;
  align-self: start;
  padding-top: 7svh;
}

.showcase-copy h2 {
  font-size: clamp(40px, 5vw, 82px);
}

.showcase-copy p {
  max-width: 410px;
  margin-top: 22px;
}

.wide-media {
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 30px;
  box-shadow: 0 44px 110px rgba(0, 0, 0, 0.5);
  transform: translateY(calc(var(--scroll-depth) * -0.035px));
}

.wide-media .demo-video {
  transform: scale(1.72);
  transform-origin: 50% 58%;
}

.type-wall {
  padding: 116px 0 70px;
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 72px;
  border-top: 1px solid var(--line);
}

.wall-grid > div {
  padding: 30px 34px 34px 0;
  border-bottom: 1px solid var(--line);
}

.wall-grid > div:nth-child(2n) {
  padding-left: 34px;
}

.wall-grid span {
  display: block;
  margin-bottom: 12px;
  font-size: clamp(27px, 3vw, 48px);
  line-height: 1;
  font-weight: 800;
}

.wall-grid p {
  max-width: 460px;
  margin-bottom: 0;
}

.strip {
  display: flex;
  gap: 42px;
  width: max-content;
  padding: 60px 0 70px;
  animation: drift 24s linear infinite;
}

.strip p {
  margin: 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: clamp(38px, 7vw, 92px);
  line-height: 1;
  font-weight: 830;
  white-space: nowrap;
}

@keyframes drift {
  from {
    transform: translateX(4vw);
  }
  to {
    transform: translateX(-38vw);
  }
}

.faq {
  padding: 72px 0 104px;
}

.faq .section-heading {
  margin-bottom: 48px;
}

details {
  border-top: 1px solid var(--line);
}

details:last-child {
  border-bottom: 1px solid var(--line);
}

summary {
  cursor: pointer;
  list-style: none;
  padding: 28px 0;
  font-size: clamp(24px, 3vw, 42px);
  line-height: 1.12;
  font-weight: 760;
}

summary::-webkit-details-marker {
  display: none;
}

summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-weight: 650;
}

details[open] summary::after {
  content: "-";
}

details p {
  max-width: 720px;
  padding-bottom: 30px;
  margin-bottom: 0;
}

.download {
  min-height: 76svh;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 90px 0 120px;
}

.legal {
  width: min(900px, calc(100% - 40px));
  margin: 0 auto;
  padding: 170px 0 120px;
}

.legal h1 {
  margin-bottom: 28px;
  font-size: clamp(58px, 9vw, 128px);
  line-height: 0.9;
}

.legal-lede {
  max-width: 720px;
  margin-bottom: 74px;
  color: var(--muted);
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.35;
}

.legal section {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.legal section:last-child {
  border-bottom: 1px solid var(--line);
}

.legal h2 {
  margin-bottom: 16px;
  font-size: clamp(30px, 4vw, 54px);
}

.legal p {
  max-width: 720px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.55;
}

.legal a {
  color: var(--accent);
}

.download h2 {
  max-width: 880px;
}

.download p {
  max-width: 560px;
  margin: 26px auto 30px;
  font-size: 20px;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition: opacity 850ms ease, transform 850ms cubic-bezier(.2, .8, .2, 1);
}

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

@media (max-width: 980px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .site-header nav {
    display: none;
  }

  .nav-cta {
    grid-column: 2;
  }

  .hero {
    height: auto;
    min-height: auto;
    padding-bottom: 36px;
  }

  .hero-copy {
    padding-top: 10svh;
  }

  .hero-media {
    position: relative;
    right: auto;
    bottom: auto;
    width: 100%;
    margin-top: 42px;
  }

  .flow-line,
  .showcase,
  .wall-grid {
    grid-template-columns: 1fr;
  }

  .feature-band {
    padding-top: 84px;
  }

  .flow-line > div,
  .flow-line > div + div,
  .wall-grid > div,
  .wall-grid > div:nth-child(2n) {
    padding-left: 0;
    padding-right: 0;
    border-right: 0;
  }

  .flow-line > div {
    min-height: 220px;
  }

  .showcase-copy {
    position: relative;
    top: auto;
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 66px;
  }

  .site-header {
    display: flex;
    justify-content: space-between;
    padding: 14px 16px;
  }

  .brand-mark span {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .hero {
    padding-left: 16px;
    padding-right: 16px;
  }

  h1 {
    font-size: clamp(70px, 24vw, 118px);
  }

  .hero-line {
    font-size: clamp(32px, 10.7vw, 48px);
  }

  .button {
    width: 100%;
  }

  .feature-band,
  .showcase,
  .type-wall,
  .faq,
  .download {
    width: calc(100% - 32px);
  }

  .feature-band,
  .type-wall {
    padding-top: 84px;
  }

  .strip {
    gap: 28px;
    padding: 38px 0 50px;
  }
}

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

  .hero-media,
  .wide-media {
    transform: none !important;
  }
}