:root {
  --ink: #f4f7fb;
  --muted: #94a3b8;
  --line: rgba(148, 163, 184, .18);
  --panel: rgba(14, 29, 48, .72);
  --night: #07111f;
  --night-soft: #0a1828;
  --cyan: #48d8ff;
  --blue: #3978ff;
  --lime: #b7f36b;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 85% 5%, rgba(57, 120, 255, .14), transparent 28rem),
    linear-gradient(180deg, #07111f 0%, #07111f 72%, #06101c 100%);
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
  width: min(1180px, calc(100% - 48px));
  height: 84px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: var(--ink);
  text-decoration: none;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: inline-grid;
  place-items: center;
  border: 1px solid rgba(72, 216, 255, .5);
  border-radius: 10px;
  color: var(--cyan);
  background: linear-gradient(145deg, rgba(72, 216, 255, .14), rgba(57, 120, 255, .05));
  box-shadow: inset 0 0 16px rgba(72, 216, 255, .07);
  font-size: 19px;
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 18px;
  letter-spacing: .08em;
}

.brand small {
  margin-top: 5px;
  color: var(--muted);
  font-size: 8px;
  letter-spacing: .18em;
}

nav {
  display: flex;
  align-items: center;
  gap: 32px;
}

nav a {
  color: #cbd5e1;
  font-size: 14px;
  text-decoration: none;
}

nav a:hover {
  color: var(--cyan);
}

.nav-cta {
  padding: 8px 16px;
  border: 1px solid rgba(72, 216, 255, .38);
  border-radius: 999px;
}

.hero {
  position: relative;
  min-height: 760px;
  padding: 150px max(24px, calc((100vw - 1180px) / 2)) 84px;
  display: grid;
  grid-template-columns: minmax(0, .92fr) minmax(520px, 1.08fr);
  align-items: center;
  gap: 72px;
  overflow: hidden;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(72, 216, 255, .35), transparent);
}

.eyebrow {
  margin: 0 0 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
}

.eyebrow span {
  width: 28px;
  height: 1px;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(72, 216, 255, .7);
}

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

.hero h1 {
  margin-bottom: 28px;
  font-size: clamp(52px, 6vw, 82px);
  line-height: 1.08;
  letter-spacing: -.055em;
}

.hero h1 em {
  color: transparent;
  background: linear-gradient(90deg, #f8fbff 2%, var(--cyan) 45%, #799bff 100%);
  -webkit-background-clip: text;
  background-clip: text;
  font-style: normal;
}

.hero-lead {
  max-width: 560px;
  margin-bottom: 34px;
  color: #a9b5c5;
  font-size: 17px;
}

.hero-actions {
  display: flex;
  gap: 14px;
}

.button {
  min-width: 126px;
  padding: 11px 20px;
  border-radius: 7px;
  text-align: center;
  text-decoration: none;
  font-size: 14px;
  font-weight: 700;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

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

.button-primary {
  color: #04101c;
  background: linear-gradient(135deg, var(--cyan), #92e7ff);
  box-shadow: 0 12px 34px rgba(72, 216, 255, .15);
}

.button-ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, .025);
}

.hero-visual {
  position: relative;
  height: 520px;
  isolation: isolate;
}

.grid-glow {
  position: absolute;
  inset: 10% 4%;
  z-index: -3;
  background:
    linear-gradient(rgba(72, 216, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(72, 216, 255, .06) 1px, transparent 1px);
  background-size: 34px 34px;
  border-radius: 50%;
  mask-image: radial-gradient(circle, #000 0%, transparent 70%);
}

.visual-chip {
  position: absolute;
  right: 4%;
  top: 4%;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(7, 17, 31, .68);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .2);
}

.visual-chip span,
.visual-chip strong {
  display: block;
}

.visual-chip span {
  color: var(--muted);
  font: 9px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.visual-chip strong {
  margin-top: 5px;
  color: var(--lime);
  font: 12px/1.2 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.orbit {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  border: 1px solid rgba(72, 216, 255, .19);
  border-radius: 50%;
}

.orbit::before,
.orbit::after {
  content: "";
  position: absolute;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 16px var(--cyan);
}

.orbit-one {
  width: 310px;
  height: 310px;
  transform: rotate(-17deg);
}

.orbit-one::before {
  left: 20%;
  top: 6%;
}

.orbit-one::after {
  right: 4%;
  bottom: 28%;
}

.orbit-two {
  width: 440px;
  height: 440px;
  border-style: dashed;
  opacity: .6;
}

.orbit-two::before {
  right: 18%;
  top: 8%;
}

.orbit-two::after {
  left: 5%;
  bottom: 35%;
}

.core-sphere {
  position: absolute;
  left: 50%;
  top: 50%;
  translate: -50% -50%;
  width: 174px;
  height: 174px;
  display: grid;
  place-content: center;
  text-align: center;
  border: 1px solid rgba(72, 216, 255, .5);
  border-radius: 50%;
  background:
    radial-gradient(circle at 32% 28%, rgba(255, 255, 255, .22), transparent 12%),
    radial-gradient(circle at 45% 35%, #1e8bb6 0%, #0e496b 35%, #08263c 72%);
  box-shadow:
    0 0 0 18px rgba(72, 216, 255, .025),
    0 0 80px rgba(72, 216, 255, .2),
    inset -18px -20px 34px rgba(1, 11, 25, .6);
}

.core-sphere span {
  font-size: 30px;
  font-weight: 900;
  letter-spacing: .08em;
}

.core-sphere small {
  margin-top: -2px;
  color: #aeefff;
  font-size: 12px;
  letter-spacing: .45em;
}

.signal-card {
  position: absolute;
  min-width: 124px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(9, 24, 41, .88);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .24);
}

.signal-card::after {
  content: "";
  position: absolute;
  height: 1px;
  background: linear-gradient(90deg, rgba(72, 216, 255, .6), transparent);
}

.signal-card small,
.signal-card strong {
  display: block;
}

.signal-card small {
  color: var(--muted);
  font: 9px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .13em;
}

.signal-card strong {
  margin-top: 4px;
  font-size: 15px;
}

.signal-dot {
  position: absolute;
  right: 11px;
  top: 11px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 9px var(--lime);
}

.signal-mobile {
  left: 0;
  top: 20%;
}

.signal-mobile::after {
  left: 100%;
  top: 50%;
  width: 84px;
  transform: rotate(20deg);
  transform-origin: left;
}

.signal-studio {
  right: 2%;
  top: 43%;
}

.signal-studio::after {
  right: 100%;
  top: 50%;
  width: 76px;
  transform: rotate(-4deg);
  transform-origin: right;
}

.signal-glasses {
  left: 9%;
  bottom: 10%;
}

.signal-glasses::after {
  left: 100%;
  top: 20%;
  width: 98px;
  transform: rotate(-27deg);
  transform-origin: left;
}

.section {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 112px 0;
}

.section-heading {
  margin-bottom: 54px;
  display: grid;
  grid-template-columns: 1fr .72fr;
  gap: 80px;
  align-items: end;
}

.section-heading h2,
.company-intro h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.18;
  letter-spacing: -.04em;
}

.section-heading > p {
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 15px;
}

.product-showcase {
  display: grid;
  grid-template-columns: minmax(0, .95fr) minmax(420px, 1.05fr);
  gap: 64px;
  align-items: center;
}

.product-art {
  position: relative;
  min-height: 560px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background:
    radial-gradient(circle at 22% 18%, rgba(72, 216, 255, .16), transparent 24rem),
    linear-gradient(145deg, #0b2033, #081522 65%);
  box-shadow: 0 28px 80px rgba(0, 0, 0, .2);
}

.product-art::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, .035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, .035) 1px, transparent 1px);
  background-size: 42px 42px;
}

.screen-panel {
  position: absolute;
  left: 8%;
  top: 14%;
  width: 72%;
  height: 58%;
  overflow: hidden;
  border: 1px solid rgba(148, 163, 184, .28);
  border-radius: 12px;
  background: #09121f;
  box-shadow: 0 30px 60px rgba(0, 0, 0, .4);
}

.screen-topbar {
  height: 34px;
  padding: 0 12px;
  display: flex;
  align-items: center;
  gap: 6px;
  border-bottom: 1px solid var(--line);
}

.screen-topbar span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #405168;
}

.screen-topbar span:first-child {
  background: var(--cyan);
}

.screen-topbar small {
  margin-left: auto;
  color: #6e829a;
  font: 8px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: .14em;
}

.screen-content {
  padding: 34px 28px;
}

.code-lines {
  display: grid;
  gap: 13px;
}

.code-lines i {
  height: 8px;
  border-radius: 999px;
  background: #20334a;
}

.code-lines i:nth-child(1) { width: 42%; background: rgba(72, 216, 255, .55); }
.code-lines i:nth-child(2) { width: 74%; }
.code-lines i:nth-child(3) { width: 61%; }
.code-lines i:nth-child(4) { width: 82%; background: rgba(57, 120, 255, .45); }
.code-lines i:nth-child(5) { width: 50%; }

.status-panel {
  margin-top: 44px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  border: 1px solid var(--line);
  border-radius: 9px;
  background: rgba(255, 255, 255, .025);
}

.status-panel span {
  color: var(--muted);
  font: 9px/1.3 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.status-panel strong {
  color: var(--lime);
  font-size: 12px;
}

.phone-frame {
  position: absolute;
  right: 7%;
  bottom: 10%;
  width: 148px;
  height: 310px;
  padding: 6px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, .36);
  border-radius: 27px;
  background: #05090f;
  box-shadow: 0 28px 70px rgba(0, 0, 0, .55);
}

.phone-frame::before {
  content: "";
  position: absolute;
  z-index: 2;
  left: 50%;
  top: 10px;
  translate: -50%;
  width: 48px;
  height: 12px;
  border-radius: 999px;
  background: #05090f;
}

.phone-frame img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: 50% 45%;
  border-radius: 21px;
  filter: saturate(.9) contrast(1.04);
}

.glasses-concept {
  position: absolute;
  left: 10%;
  bottom: 14%;
  width: 164px;
  height: 62px;
  display: flex;
  align-items: center;
  justify-content: center;
  filter: drop-shadow(0 10px 20px rgba(0, 0, 0, .35));
}

.glasses-concept::before,
.glasses-concept::after {
  content: "";
  position: absolute;
  top: 15px;
  width: 35px;
  height: 3px;
  background: linear-gradient(90deg, #2c9cc5, #8feaff);
}

.glasses-concept::before {
  left: -28px;
  transform: rotate(8deg);
}

.glasses-concept::after {
  right: -28px;
  transform: rotate(-8deg);
}

.lens {
  width: 66px;
  height: 46px;
  border: 2px solid rgba(101, 222, 255, .86);
  border-radius: 12px 12px 24px 24px;
  background: linear-gradient(145deg, rgba(72, 216, 255, .2), rgba(57, 120, 255, .04));
  box-shadow: inset 0 0 20px rgba(72, 216, 255, .08);
}

.bridge {
  width: 22px;
  height: 11px;
  border-top: 2px solid rgba(101, 222, 255, .86);
  border-radius: 50%;
}

.art-caption {
  position: absolute;
  left: 8%;
  bottom: 4%;
  color: #6f839b;
  font-size: 11px;
  letter-spacing: .18em;
}

.product-list {
  display: grid;
}

.product-item {
  padding: 32px 0;
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  border-top: 1px solid var(--line);
}

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

.product-index {
  padding-top: 4px;
  color: #5d7188;
  font: 12px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
}

.product-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.product-title h3 {
  margin-bottom: 10px;
  font-size: 25px;
  letter-spacing: -.02em;
}

.product-title span {
  flex: 0 0 auto;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(72, 216, 255, .08);
  border: 1px solid rgba(72, 216, 255, .18);
  font-size: 10px;
}

.product-title .status-planning {
  color: #f5d087;
  border-color: rgba(245, 208, 135, .2);
  background: rgba(245, 208, 135, .07);
}

.product-item p {
  margin-bottom: 13px;
  color: var(--muted);
  font-size: 14px;
}

.product-item a,
.company-intro a {
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.product-item a:hover,
.company-intro a:hover {
  text-decoration: underline;
}

.coming-soon {
  color: #667b92;
  font-size: 12px;
}

.company {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: 100px;
  border-top: 1px solid var(--line);
}

.company-intro > p:not(.eyebrow) {
  max-width: 510px;
  margin: 28px 0 22px;
  color: var(--muted);
}

.company-facts {
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-facts > div {
  padding: 22px 0;
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 18px;
  border-bottom: 1px solid var(--line);
}

.company-facts dt {
  color: #71849a;
  font-size: 13px;
}

.company-facts dd {
  margin: 0;
  color: #d9e2ec;
  font-size: 14px;
}

footer {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
  padding: 38px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  border-top: 1px solid var(--line);
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.footer-brand strong {
  font-size: 15px;
  letter-spacing: .08em;
}

.footer-brand p,
.footer-meta p {
  margin: 2px 0 0;
  color: #687b90;
  font-size: 11px;
}

.footer-meta {
  text-align: right;
}

.footer-meta a {
  color: #8193a7;
  font-size: 12px;
  text-decoration: none;
}

.footer-meta a:hover {
  color: var(--cyan);
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 140px;
    gap: 24px;
  }

  .hero-copy {
    max-width: 700px;
  }

  .hero-visual {
    max-width: 680px;
    width: 100%;
    margin: auto;
  }

  .section-heading,
  .product-showcase,
  .company {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 24px;
  }

  .product-showcase {
    gap: 36px;
  }

  .company {
    gap: 50px;
  }
}

@media (max-width: 620px) {
  .site-header {
    width: calc(100% - 32px);
  }

  nav {
    gap: 14px;
  }

  nav a:not(.nav-cta) {
    display: none;
  }

  .nav-cta {
    padding: 7px 12px;
  }

  .hero {
    padding: 128px 16px 64px;
  }

  .hero h1 {
    font-size: 48px;
  }

  .hero-lead {
    font-size: 15px;
  }

  .hero-visual {
    height: 420px;
    transform: scale(.9);
    margin: -20px 0;
  }

  .signal-mobile {
    left: -2%;
  }

  .signal-studio {
    right: -2%;
  }

  .section,
  footer {
    width: calc(100% - 32px);
  }

  .section {
    padding: 76px 0;
  }

  .section-heading h2,
  .company-intro h2 {
    font-size: 36px;
  }

  .product-art {
    min-height: 460px;
  }

  .screen-panel {
    width: 82%;
    left: 6%;
  }

  .phone-frame {
    right: 5%;
    width: 128px;
    height: 272px;
  }

  .glasses-concept {
    left: 12%;
    bottom: 11%;
    scale: .78;
    transform-origin: left center;
  }

  .product-item {
    grid-template-columns: 32px 1fr;
  }

  .product-title {
    align-items: flex-start;
  }

  .product-title h3 {
    font-size: 22px;
  }

  .company-facts > div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .footer-meta {
    text-align: left;
  }
}

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

  * {
    transition: none !important;
  }
}