:root {
  --ink-950: #050b14;
  --ink-900: #081321;
  --ink-850: #0b192b;
  --ink-800: #102238;
  --ink-700: #1a3452;
  --blue-500: #198cff;
  --blue-400: #43a6ff;
  --cyan-400: #50d7e8;
  --white: #ffffff;
  --paper: #f5f8fc;
  --muted: #a8b8ca;
  --muted-dark: #5d6d7e;
  --line: rgba(129, 170, 214, 0.18);
  --line-light: #dce6f0;
  --success: #6ee7b7;
  --max-width: 1180px;
  --radius-lg: 28px;
  --radius-md: 18px;
  --shadow: 0 24px 70px rgba(2, 12, 28, 0.2);
  --transition: 180ms ease;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink-900);
  background: var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 1rem;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

a {
  color: inherit;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid var(--cyan-400);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 12px;
  left: 12px;
  padding: 10px 16px;
  border-radius: 10px;
  color: var(--ink-950);
  background: var(--white);
  font-weight: 750;
  transform: translateY(-160%);
  transition: transform var(--transition);
}

.skip-link:focus {
  transform: translateY(0);
}

.shell {
  width: min(calc(100% - 40px), var(--max-width));
  margin-inline: auto;
}

.site-header {
  position: absolute;
  z-index: 30;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--white);
}

.nav-shell {
  display: flex;
  min-height: 88px;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

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

.brand-mark {
  position: relative;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  border: 1px solid rgba(112, 198, 255, 0.72);
  border-radius: 8px;
  background: linear-gradient(145deg, rgba(25, 140, 255, 0.22), rgba(80, 215, 232, 0.04));
  box-shadow: inset 0 0 18px rgba(25, 140, 255, 0.18);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  content: "";
  background: linear-gradient(90deg, var(--blue-400), var(--cyan-400));
  transform: skewX(-28deg);
}

.brand-mark::before {
  top: 9px;
  left: 8px;
  width: 18px;
  height: 3px;
}

.brand-mark::after {
  right: 8px;
  bottom: 9px;
  width: 18px;
  height: 3px;
}

.brand-word {
  font-size: 1.17rem;
  font-weight: 830;
  letter-spacing: 0.17em;
  line-height: 1;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  position: relative;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.92rem;
  font-weight: 650;
  text-decoration: none;
  transition: color var(--transition);
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -11px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--blue-400), var(--cyan-400));
  content: "";
  opacity: 0;
  transform: scaleX(0.5);
  transition: opacity var(--transition), transform var(--transition);
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
  color: var(--white);
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-contact {
  padding: 10px 16px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.04);
}

.nav-contact::after {
  display: none;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 12px;
  color: var(--white);
  background: rgba(255, 255, 255, 0.05);
  cursor: pointer;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: currentColor;
  content: "";
  transition: transform var(--transition), opacity var(--transition);
}

.menu-icon {
  position: relative;
}

.menu-icon::before {
  position: absolute;
  top: -6px;
}

.menu-icon::after {
  position: absolute;
  top: 6px;
}

.menu-toggle[aria-expanded="true"] .menu-icon {
  background: transparent;
}

.menu-toggle[aria-expanded="true"] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-toggle[aria-expanded="true"] .menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  color: var(--white);
  background:
    radial-gradient(circle at 86% 28%, rgba(25, 140, 255, 0.2), transparent 31%),
    radial-gradient(circle at 57% 92%, rgba(80, 215, 232, 0.08), transparent 30%),
    linear-gradient(135deg, var(--ink-950) 0%, var(--ink-900) 55%, #071a2f 100%);
}

.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(96, 169, 233, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 169, 233, 0.06) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(90deg, transparent 0%, rgba(0, 0, 0, 0.22) 40%, #000 100%);
}

.hero::after {
  position: absolute;
  right: -170px;
  bottom: -350px;
  width: 730px;
  height: 730px;
  border: 1px solid rgba(84, 178, 255, 0.2);
  border-radius: 50%;
  box-shadow: 0 0 0 88px rgba(25, 140, 255, 0.025), 0 0 0 190px rgba(25, 140, 255, 0.018);
  content: "";
}

.hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  min-height: 760px;
  padding-top: 150px;
  padding-bottom: 84px;
  align-items: center;
  grid-template-columns: minmax(0, 1.04fr) minmax(380px, 0.96fr);
  gap: clamp(50px, 8vw, 108px);
}

.eyebrow {
  display: flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 24px;
  color: var(--blue-400);
  font-size: 0.76rem;
  font-weight: 780;
  letter-spacing: 0.18em;
  line-height: 1.4;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 34px;
  height: 1px;
  background: currentColor;
  content: "";
}

.hero h1,
.page-hero h1 {
  max-width: 790px;
  margin: 0;
  font-size: clamp(3rem, 6.2vw, 5.7rem);
  font-weight: 780;
  letter-spacing: -0.055em;
  line-height: 0.98;
}

.hero h1 span,
.page-hero h1 span {
  color: transparent;
  background: linear-gradient(94deg, var(--blue-400), var(--cyan-400));
  -webkit-background-clip: text;
  background-clip: text;
}

.hero-copy > p:not(.eyebrow) {
  max-width: 630px;
  margin: 28px 0 0;
  color: #bed0e2;
  font-size: clamp(1.05rem, 1.8vw, 1.22rem);
  line-height: 1.7;
}

.actions {
  display: flex;
  margin-top: 38px;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  padding: 13px 22px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border: 1px solid transparent;
  border-radius: 12px;
  font-weight: 760;
  line-height: 1.2;
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), background var(--transition);
}

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

.button-primary {
  color: var(--white);
  background: linear-gradient(100deg, #147fe6, #159edc);
  box-shadow: 0 14px 36px rgba(25, 140, 255, 0.25);
}

.button-primary:hover {
  background: linear-gradient(100deg, #278ff1, #26afe9);
}

.button-secondary {
  border-color: rgba(255, 255, 255, 0.25);
  color: var(--white);
  background: rgba(255, 255, 255, 0.035);
}

.button-secondary:hover {
  border-color: rgba(255, 255, 255, 0.5);
  background: rgba(255, 255, 255, 0.07);
}

.arrow {
  font-size: 1.14em;
  line-height: 1;
}

.engineering-visual {
  position: relative;
  min-height: 480px;
}

.scan-orbit {
  position: absolute;
  inset: 18px 0 0 22px;
  border: 1px solid rgba(76, 172, 255, 0.2);
  border-radius: 50%;
  transform: rotate(-10deg);
}

.scan-orbit::before,
.scan-orbit::after {
  position: absolute;
  border: 1px solid rgba(80, 215, 232, 0.17);
  border-radius: 50%;
  content: "";
}

.scan-orbit::before {
  inset: 56px;
}

.scan-orbit::after {
  inset: 125px;
}

.product-signal {
  position: absolute;
  z-index: 2;
  top: 76px;
  right: 22px;
  left: 48px;
  overflow: hidden;
  min-height: 324px;
  padding: 30px;
  border: 1px solid rgba(130, 194, 255, 0.28);
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, rgba(18, 45, 74, 0.86), rgba(7, 23, 42, 0.72));
  box-shadow: 0 30px 80px rgba(0, 4, 12, 0.44), inset 0 1px 0 rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(16px);
}

.product-signal::before {
  position: absolute;
  top: -65%;
  left: 54%;
  width: 1px;
  height: 230%;
  background: linear-gradient(transparent, var(--cyan-400), transparent);
  box-shadow: 0 0 22px 3px rgba(80, 215, 232, 0.44);
  content: "";
  transform: rotate(37deg);
}

.signal-top,
.signal-footer {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.signal-kicker {
  color: #8eb6dd;
  font-size: 0.72rem;
  font-weight: 760;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.signal-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #d9fdf0;
  font-size: 0.78rem;
  font-weight: 700;
}

.signal-status::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 12px rgba(110, 231, 183, 0.72);
  content: "";
}

.matrix {
  position: relative;
  z-index: 2;
  display: grid;
  width: 146px;
  height: 146px;
  margin: 34px 0 28px;
  padding: 13px;
  border: 1px solid rgba(123, 193, 255, 0.25);
  border-radius: 18px;
  background: rgba(3, 12, 25, 0.68);
  box-shadow: inset 0 0 25px rgba(25, 140, 255, 0.12);
  grid-template-columns: repeat(7, 1fr);
  gap: 5px;
}

.matrix span {
  border-radius: 2px;
  background: rgba(94, 174, 237, 0.16);
}

.matrix span:nth-child(2n),
.matrix span:nth-child(5n + 1),
.matrix span:nth-child(7n) {
  background: linear-gradient(135deg, var(--blue-400), var(--cyan-400));
  box-shadow: 0 0 8px rgba(67, 166, 255, 0.25);
}

.signal-title {
  position: absolute;
  z-index: 2;
  top: 105px;
  right: 30px;
  width: 46%;
}

.signal-title strong {
  display: block;
  font-size: clamp(1.45rem, 3vw, 2.12rem);
  letter-spacing: -0.04em;
  line-height: 1;
}

.signal-title span {
  display: block;
  margin-top: 10px;
  color: #9db4ca;
  font-size: 0.84rem;
}

.signal-footer {
  color: #8fa8c1;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.coordinate {
  position: absolute;
  z-index: 3;
  right: -2px;
  bottom: 34px;
  padding: 9px 13px;
  border: 1px solid rgba(80, 215, 232, 0.24);
  border-radius: 9px;
  color: #9ed7e0;
  background: rgba(5, 17, 31, 0.82);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
}

.trust-strip {
  color: #d7e3ef;
  background: var(--ink-850);
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.trust-grid {
  display: grid;
  min-height: 92px;
  align-items: center;
  grid-template-columns: repeat(3, 1fr);
}

.trust-item {
  display: flex;
  min-height: 44px;
  padding: 10px 30px;
  align-items: center;
  justify-content: center;
  gap: 12px;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  font-size: 0.88rem;
  font-weight: 660;
  letter-spacing: 0.02em;
  text-align: center;
}

.trust-item:first-child {
  justify-content: flex-start;
  padding-left: 0;
}

.trust-item:last-child {
  justify-content: flex-end;
  padding-right: 0;
  border-right: 0;
}

.trust-icon {
  width: 8px;
  height: 8px;
  border: 1px solid var(--blue-400);
  transform: rotate(45deg);
}

.section {
  padding: clamp(80px, 10vw, 132px) 0;
}

.section-white {
  background: var(--white);
}

.section-dark {
  color: var(--white);
  background: var(--ink-900);
}

.section-heading {
  display: grid;
  margin-bottom: 54px;
  align-items: end;
  grid-template-columns: minmax(0, 0.9fr) minmax(280px, 0.62fr);
  gap: 48px;
}

.section-heading h2,
.content-heading h2 {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(2.15rem, 4.5vw, 3.65rem);
  font-weight: 760;
  letter-spacing: -0.05em;
  line-height: 1.06;
}

.section-dark .section-heading h2,
.section-dark .content-heading h2 {
  color: var(--white);
}

.section-heading p,
.content-heading p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 1.05rem;
}

.section-dark .section-heading p,
.section-dark .content-heading p {
  color: var(--muted);
}

.product-feature {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: #f9fbfe;
  box-shadow: var(--shadow);
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
}

.product-panel {
  position: relative;
  overflow: hidden;
  min-height: 470px;
  padding: 48px;
  color: var(--white);
  background:
    radial-gradient(circle at 75% 25%, rgba(67, 166, 255, 0.22), transparent 30%),
    linear-gradient(145deg, #06101e, #0b213a);
}

.product-panel::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 159, 231, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 159, 231, 0.08) 1px, transparent 1px);
  background-size: 34px 34px;
  content: "";
}

.product-number,
.product-symbol,
.product-panel-copy {
  position: relative;
  z-index: 2;
}

.product-number {
  color: #8ab2d7;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.75rem;
  letter-spacing: 0.18em;
}

.product-symbol {
  display: grid;
  width: 156px;
  height: 156px;
  margin: 64px auto 46px;
  place-items: center;
  border: 1px solid rgba(80, 215, 232, 0.34);
  border-radius: 36px;
  background: rgba(25, 140, 255, 0.08);
  box-shadow: 0 0 80px rgba(25, 140, 255, 0.17), inset 0 0 30px rgba(80, 215, 232, 0.06);
}

.scan-glyph {
  position: relative;
  width: 74px;
  height: 74px;
  border: 7px solid var(--white);
  border-top-color: transparent;
  border-right-color: transparent;
  opacity: 0.95;
}

.scan-glyph::before {
  position: absolute;
  top: -7px;
  left: -7px;
  width: 74px;
  height: 74px;
  border: 7px solid var(--cyan-400);
  border-bottom-color: transparent;
  border-left-color: transparent;
  content: "";
}

.scan-glyph::after {
  position: absolute;
  top: 27px;
  left: -18px;
  width: 96px;
  height: 2px;
  background: var(--blue-400);
  box-shadow: 0 0 15px var(--blue-400);
  content: "";
}

.product-panel-copy strong {
  display: block;
  font-size: 1.7rem;
  letter-spacing: -0.04em;
}

.product-panel-copy span {
  display: block;
  margin-top: 5px;
  color: #9bb2c9;
}

.product-content {
  padding: clamp(42px, 6vw, 70px);
}

.tag {
  display: inline-flex;
  padding: 7px 11px;
  border: 1px solid #bddaf4;
  border-radius: 999px;
  color: #1269ae;
  background: #edf7ff;
  font-size: 0.73rem;
  font-weight: 780;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.product-content h3 {
  margin: 20px 0 14px;
  color: var(--ink-900);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  letter-spacing: -0.055em;
  line-height: 1;
}

.product-content > p {
  margin: 0;
  color: var(--muted-dark);
  font-size: 1.06rem;
}

.feature-list {
  display: grid;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 15px 24px;
}

.feature-list li {
  position: relative;
  padding-left: 24px;
  color: #253c52;
  font-size: 0.94rem;
  font-weight: 640;
}

.feature-list li::before {
  position: absolute;
  top: 0.62em;
  left: 0;
  width: 8px;
  height: 8px;
  border: 2px solid var(--blue-500);
  content: "";
  transform: translateY(-50%) rotate(45deg);
}

.product-link {
  display: inline-flex;
  margin-top: 34px;
  align-items: center;
  gap: 9px;
  color: #0c6ec4;
  font-weight: 770;
  text-decoration: none;
}

.product-link:hover {
  text-decoration: underline;
  text-underline-offset: 5px;
}

.principles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.principle {
  min-height: 280px;
  padding: 34px;
  border: 1px solid rgba(131, 173, 214, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
}

.principle-index {
  color: var(--blue-400);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.74rem;
  letter-spacing: 0.14em;
}

.principle h3 {
  margin: 68px 0 12px;
  font-size: 1.32rem;
  letter-spacing: -0.025em;
}

.principle p {
  margin: 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.cta-band {
  position: relative;
  overflow: hidden;
  padding: 68px 0;
  color: var(--white);
  background: linear-gradient(110deg, #0b62ad, #1088c9 60%, #0e8fa3);
}

.cta-band::before {
  position: absolute;
  top: -150px;
  right: 5%;
  width: 430px;
  height: 430px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50%;
  content: "";
}

.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-inner h2 {
  max-width: 670px;
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.15rem);
  letter-spacing: -0.045em;
  line-height: 1.08;
}

.cta-inner .button {
  flex: 0 0 auto;
  color: #075283;
  background: var(--white);
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 185px 0 102px;
  color: var(--white);
  background:
    radial-gradient(circle at 82% 0%, rgba(25, 140, 255, 0.2), transparent 32%),
    linear-gradient(140deg, var(--ink-950), #0b1d32);
}

.page-hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(96, 169, 233, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(96, 169, 233, 0.055) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(90deg, transparent 10%, #000 100%);
}

.page-hero .shell {
  position: relative;
  z-index: 2;
}

.page-hero h1 {
  max-width: 850px;
  font-size: clamp(2.8rem, 6vw, 5.2rem);
}

.page-hero .lead {
  max-width: 720px;
  margin: 27px 0 0;
  color: #b8cce0;
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
}

.story-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.76fr) minmax(0, 1.24fr);
  gap: clamp(50px, 9vw, 120px);
}

.content-heading .eyebrow {
  color: var(--blue-500);
}

.story-copy p {
  margin: 0 0 22px;
  color: #40566b;
  font-size: 1.07rem;
}

.story-copy p:first-child {
  color: var(--ink-800);
  font-size: 1.3rem;
  font-weight: 620;
  line-height: 1.55;
}

.fact-grid {
  display: grid;
  margin-top: 45px;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.fact {
  padding: 24px;
  border: 1px solid var(--line-light);
  border-radius: 16px;
  background: var(--white);
}

.fact strong {
  display: block;
  color: var(--ink-900);
  font-size: 1.35rem;
  letter-spacing: -0.04em;
}

.fact span {
  display: block;
  margin-top: 4px;
  color: var(--muted-dark);
  font-size: 0.82rem;
}

.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.value-card {
  padding: 36px;
  border: 1px solid rgba(122, 171, 217, 0.18);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.025);
}

.value-card h3 {
  margin: 24px 0 12px;
  font-size: 1.4rem;
  letter-spacing: -0.03em;
}

.value-card p {
  margin: 0;
  color: var(--muted);
}

.value-mark {
  width: 40px;
  height: 40px;
  border: 1px solid var(--blue-400);
  border-radius: 11px;
  background: linear-gradient(145deg, rgba(25, 140, 255, 0.18), rgba(80, 215, 232, 0.03));
  transform: rotate(4deg);
}

.product-detail {
  display: grid;
  overflow: hidden;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  background: var(--white);
  box-shadow: var(--shadow);
  grid-template-columns: minmax(300px, 0.7fr) minmax(0, 1.3fr);
}

.product-detail-identity {
  position: relative;
  overflow: hidden;
  min-height: 580px;
  padding: 45px;
  color: var(--white);
  background:
    radial-gradient(circle at 35% 35%, rgba(25, 140, 255, 0.22), transparent 28%),
    linear-gradient(155deg, #071221, #0b2946);
}

.product-detail-identity::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(74, 159, 231, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(74, 159, 231, 0.07) 1px, transparent 1px);
  background-size: 38px 38px;
  content: "";
}

.identity-inner {
  position: relative;
  z-index: 2;
  display: flex;
  height: 100%;
  min-height: 490px;
  flex-direction: column;
  justify-content: space-between;
}

.identity-code {
  color: #83acd2;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.72rem;
  letter-spacing: 0.15em;
}

.identity-icon {
  display: grid;
  width: 168px;
  height: 168px;
  margin: auto;
  place-items: center;
  border: 1px solid rgba(80, 215, 232, 0.3);
  border-radius: 40px;
  background: rgba(25, 140, 255, 0.07);
  box-shadow: 0 0 90px rgba(25, 140, 255, 0.2);
}

.identity-copy strong {
  display: block;
  font-size: 1.9rem;
  letter-spacing: -0.04em;
}

.identity-copy span {
  display: block;
  margin-top: 6px;
  color: #9cb5cd;
}

.product-detail-content {
  padding: clamp(44px, 6vw, 74px);
}

.product-detail-content h2 {
  margin: 19px 0 18px;
  color: var(--ink-900);
  font-size: clamp(2.6rem, 5vw, 4.5rem);
  letter-spacing: -0.06em;
  line-height: 0.98;
}

.product-lead {
  margin: 0;
  color: #41566c;
  font-size: 1.13rem;
}

.feature-blocks {
  display: grid;
  margin-top: 38px;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.feature-block {
  padding: 22px;
  border: 1px solid var(--line-light);
  border-radius: 14px;
  background: #f8fbfe;
}

.feature-block strong {
  display: block;
  color: var(--ink-800);
  font-size: 0.97rem;
}

.feature-block span {
  display: block;
  margin-top: 5px;
  color: var(--muted-dark);
  font-size: 0.87rem;
}

.store-row {
  display: flex;
  margin-top: 34px;
  flex-wrap: wrap;
  gap: 12px;
}

.store-placeholder {
  display: flex;
  min-width: 188px;
  min-height: 58px;
  padding: 10px 16px;
  align-items: center;
  gap: 12px;
  border: 1px solid #bfd0df;
  border-radius: 12px;
  color: #53677a;
  background: #eef3f8;
  cursor: not-allowed;
}

.store-icon {
  display: grid;
  width: 29px;
  height: 29px;
  flex: 0 0 auto;
  place-items: center;
  border: 1px solid #a8bacb;
  border-radius: 8px;
  font-size: 0.72rem;
  font-weight: 820;
}

.store-copy small,
.store-copy strong {
  display: block;
  line-height: 1.2;
}

.store-copy small {
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.store-copy strong {
  margin-top: 3px;
  font-size: 0.92rem;
}

.evaluation-note {
  margin-top: 32px;
  padding: 17px 19px;
  border-left: 3px solid var(--blue-500);
  color: #506377;
  background: #f2f7fc;
  font-size: 0.86rem;
}

.future-note {
  display: flex;
  padding: 38px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  background: var(--white);
}

.future-note h2 {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.035em;
}

.future-note p {
  max-width: 650px;
  margin: 6px 0 0;
  color: var(--muted-dark);
}

.future-label {
  flex: 0 0 auto;
  color: var(--blue-500);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.73rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.contact-grid {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(44px, 8vw, 100px);
}

.contact-intro h2 {
  margin: 0;
  color: var(--ink-900);
  font-size: clamp(2.2rem, 4vw, 3.5rem);
  letter-spacing: -0.05em;
  line-height: 1.05;
}

.contact-intro > p {
  margin: 22px 0 0;
  color: var(--muted-dark);
  font-size: 1.06rem;
}

.contact-options {
  display: grid;
  gap: 16px;
}

.contact-card {
  display: block;
  padding: 30px;
  border: 1px solid var(--line-light);
  border-radius: var(--radius-md);
  color: var(--ink-900);
  background: var(--white);
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

a.contact-card:hover {
  border-color: #91c8f6;
  box-shadow: 0 16px 44px rgba(6, 31, 58, 0.1);
  transform: translateY(-3px);
}

.contact-card-label {
  display: block;
  color: var(--blue-500);
  font-size: 0.73rem;
  font-weight: 780;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.contact-card strong {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.18rem, 3vw, 1.55rem);
  letter-spacing: -0.035em;
  overflow-wrap: anywhere;
}

.contact-card p,
.contact-card address {
  margin: 8px 0 0;
  color: var(--muted-dark);
  font-size: 0.9rem;
  font-style: normal;
}

.company-table {
  margin-top: 40px;
  border-top: 1px solid var(--line-light);
}

.company-row {
  display: grid;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-light);
  grid-template-columns: 130px 1fr;
  gap: 22px;
}

.company-row dt {
  color: var(--muted-dark);
  font-size: 0.83rem;
}

.company-row dd {
  margin: 0;
  color: var(--ink-800);
  font-size: 0.9rem;
  font-weight: 660;
}

.site-footer {
  padding: 66px 0 30px;
  color: #c0cfdd;
  background: var(--ink-950);
}

.footer-top {
  display: grid;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  grid-template-columns: minmax(0, 1.2fr) repeat(2, minmax(150px, 0.4fr));
  gap: 50px;
}

.footer-brand .brand {
  margin-bottom: 20px;
}

.footer-brand p {
  max-width: 470px;
  margin: 0;
  color: #879caf;
  font-size: 0.9rem;
}

.footer-column h2 {
  margin: 0 0 16px;
  color: var(--white);
  font-size: 0.76rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 8px;
}

.footer-links a {
  color: #9db0c1;
  font-size: 0.9rem;
  text-decoration: none;
}

.footer-links a:hover {
  color: var(--white);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.footer-bottom {
  display: flex;
  padding-top: 26px;
  align-items: flex-start;
  justify-content: space-between;
  gap: 30px;
  color: #6f8599;
  font-size: 0.76rem;
}

.legal-line {
  max-width: 740px;
}

.not-found {
  display: grid;
  min-height: 100vh;
  padding: 60px 20px;
  place-items: center;
  color: var(--white);
  text-align: center;
  background:
    radial-gradient(circle at 70% 20%, rgba(25, 140, 255, 0.19), transparent 30%),
    var(--ink-950);
}

.not-found-inner {
  max-width: 620px;
}

.not-found-code {
  color: var(--blue-400);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85rem;
  letter-spacing: 0.18em;
}

.not-found h1 {
  margin: 16px 0;
  font-size: clamp(3rem, 9vw, 6rem);
  letter-spacing: -0.06em;
  line-height: 1;
}

.not-found p {
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.05rem;
}

.not-found .button {
  margin-top: 34px;
}

@media (max-width: 900px) {
  .menu-toggle {
    display: inline-flex;
  }

  .site-nav {
    position: fixed;
    top: 89px;
    right: 0;
    bottom: 0;
    left: 0;
    display: none;
    padding: 36px 28px;
    align-items: stretch;
    flex-direction: column;
    gap: 0;
    background: rgba(5, 11, 20, 0.98);
    backdrop-filter: blur(18px);
  }

  .site-nav[data-open="true"] {
    display: flex;
  }

  .site-nav a {
    padding: 18px 4px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1.18rem;
  }

  .site-nav a::after {
    display: none;
  }

  .nav-contact {
    margin-top: 24px;
    border: 1px solid rgba(255, 255, 255, 0.22) !important;
    text-align: center;
  }

  .hero-inner {
    padding-top: 150px;
    grid-template-columns: 1fr;
    gap: 25px;
  }

  .engineering-visual {
    width: min(100%, 590px);
    min-height: 430px;
    margin: 0 auto;
  }

  .section-heading,
  .story-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .product-feature,
  .product-detail {
    grid-template-columns: 1fr;
  }

  .product-panel {
    min-height: 390px;
  }

  .product-detail-identity {
    min-height: 480px;
  }

  .principles,
  .value-grid {
    grid-template-columns: 1fr;
  }

  .principle {
    min-height: 0;
  }

  .principle h3 {
    margin-top: 38px;
  }

  .fact-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .footer-top {
    grid-template-columns: 1fr 1fr;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 640px) {
  .shell {
    width: min(calc(100% - 28px), var(--max-width));
  }

  .nav-shell {
    min-height: 78px;
  }

  .site-nav {
    top: 79px;
  }

  .hero,
  .hero-inner {
    min-height: auto;
  }

  .hero-inner {
    padding-top: 132px;
    padding-bottom: 70px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: clamp(2.65rem, 14vw, 4.15rem);
  }

  .actions,
  .actions .button {
    width: 100%;
  }

  .engineering-visual {
    min-height: 385px;
  }

  .scan-orbit {
    inset: 15px 0 10px;
  }

  .product-signal {
    top: 55px;
    right: 4px;
    left: 4px;
    min-height: 292px;
    padding: 22px;
  }

  .matrix {
    width: 124px;
    height: 124px;
    margin-top: 27px;
    gap: 4px;
  }

  .signal-title {
    top: 98px;
    right: 22px;
  }

  .coordinate {
    right: 12px;
    bottom: 8px;
  }

  .trust-grid {
    padding: 17px 0;
    grid-template-columns: 1fr;
  }

  .trust-item,
  .trust-item:first-child,
  .trust-item:last-child {
    min-height: 42px;
    padding: 8px 0;
    justify-content: flex-start;
    border-right: 0;
  }

  .section {
    padding: 72px 0;
  }

  .section-heading {
    margin-bottom: 36px;
    gap: 22px;
  }

  .product-panel,
  .product-content,
  .product-detail-content,
  .product-detail-identity {
    padding: 30px 24px;
  }

  .product-symbol {
    margin-top: 48px;
  }

  .feature-list,
  .feature-blocks,
  .fact-grid {
    grid-template-columns: 1fr;
  }

  .cta-inner,
  .future-note {
    align-items: flex-start;
    flex-direction: column;
  }

  .cta-inner .button {
    width: 100%;
  }

  .page-hero {
    padding: 145px 0 78px;
  }

  .footer-top {
    grid-template-columns: 1fr;
  }

  .footer-brand {
    grid-column: auto;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
  }

  .company-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}