:root {
  color-scheme: dark;
  --bg: #09111b;
  --surface: #101b28;
  --surface-2: #142231;
  --text: #f1f6f9;
  --muted: #94a7b7;
  --line: rgba(255, 255, 255, 0.1);
  --cyan: #6edaf2;
  --cyan-soft: rgba(110, 218, 242, 0.12);
  --green: #72d9ad;
  --orange: #ff8e6b;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family:
    Inter,
    ui-sans-serif,
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.skip-link {
  position: fixed;
  z-index: 100;
  top: 0.75rem;
  left: 0.75rem;
  padding: 0.65rem 1rem;
  background: var(--cyan);
  color: var(--bg);
  border-radius: 0.5rem;
  transform: translateY(-160%);
}

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

.shell {
  width: min(calc(100% - 2.5rem), var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  z-index: 20;
  top: 0;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 17, 27, 0.84);
  backdrop-filter: blur(18px);
}

.header-inner,
.footer-inner {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}

.header-label {
  color: #7890a1;
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-align: right;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  text-decoration: none;
}

.brand-name {
  font-size: 1.05rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.brand-name span,
em {
  color: var(--cyan);
  font-style: normal;
}

nav {
  display: flex;
  align-items: center;
  gap: 1.7rem;
}

nav > a:not(.button) {
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
  transition: color 160ms ease;
}

nav > a:not(.button):hover {
  color: var(--text);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  min-height: 48px;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--cyan);
  border-radius: 0.6rem;
  background: var(--cyan);
  color: #061019;
  font-size: 0.82rem;
  font-weight: 750;
  letter-spacing: 0.02em;
  text-decoration: none;
  box-shadow: 0 0 32px rgba(110, 218, 242, 0.12);
  transition:
    transform 160ms ease,
    box-shadow 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 38px rgba(110, 218, 242, 0.25);
}

.button:focus-visible,
a:focus-visible {
  outline: 3px solid rgba(110, 218, 242, 0.45);
  outline-offset: 3px;
}

.button-small {
  min-height: 38px;
  padding: 0.45rem 0.9rem;
  font-size: 0.74rem;
}

.button-ghost {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.025);
  color: var(--text);
  box-shadow: none;
}

.hero {
  position: relative;
  overflow: hidden;
  padding-top: 6rem;
}

.grid-glow {
  position: absolute;
  inset: 0 0 auto;
  height: 760px;
  background-image:
    linear-gradient(rgba(110, 218, 242, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 218, 242, 0.045) 1px, transparent 1px),
    radial-gradient(
      ellipse 65% 55% at 70% 23%,
      rgba(43, 162, 197, 0.18),
      transparent 72%
    );
  background-size:
    54px 54px,
    54px 54px,
    auto;
  mask-image: linear-gradient(to bottom, #000 25%, transparent 92%);
  pointer-events: none;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: clamp(3rem, 6vw, 6rem);
}

.hero-grid > *,
.governance-grid > *,
.qr-card > * {
  min-width: 0;
}

.eyebrow {
  margin: 0 0 1.25rem;
  color: var(--cyan);
  font-size: 0.69rem;
  font-weight: 720;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.eyebrow span {
  display: inline-block;
  width: 24px;
  height: 1px;
  margin-right: 0.65rem;
  background: var(--cyan);
  vertical-align: middle;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-top: 0;
  line-height: 1.08;
  letter-spacing: -0.035em;
}

h1 {
  max-width: 690px;
  margin-bottom: 1.5rem;
  font-size: clamp(2.65rem, 5.1vw, 5.25rem);
  font-weight: 690;
}

h1 em {
  display: block;
}

.hero-lead {
  max-width: 630px;
  margin: 0;
  color: #aab9c5;
  font-size: clamp(1rem, 1.45vw, 1.18rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.access-note {
  margin-top: 1.25rem;
  color: #768b9d;
  font-size: 0.76rem;
}

.hero-principle {
  margin-top: 2rem;
  color: #8298a8;
  font-size: 0.78rem;
}

.hero-principle span {
  margin-right: 0.5rem;
  color: var(--green);
}

.access-note span {
  margin-right: 0.45rem;
  color: var(--green);
}

.product-card {
  position: relative;
  width: 100%;
  min-width: 0;
  border: 1px solid rgba(110, 218, 242, 0.2);
  border-radius: 1rem;
  background: rgba(13, 25, 37, 0.88);
  box-shadow:
    0 32px 90px rgba(0, 0, 0, 0.44),
    0 0 0 8px rgba(255, 255, 255, 0.012);
  overflow: hidden;
}

.product-card::before {
  position: absolute;
  z-index: -1;
  inset: 12% -15% -16% 18%;
  border-radius: 50%;
  background: rgba(67, 196, 225, 0.16);
  filter: blur(60px);
  content: "";
}

.product-bar {
  min-height: 46px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 1rem;
  border-bottom: 1px solid var(--line);
  color: #7e94a4;
  font-size: 0.59rem;
  letter-spacing: 0.13em;
}

.window-dots {
  display: flex;
  gap: 5px;
}

.window-dots i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #3d5161;
}

.live-status {
  justify-self: end;
  color: var(--green);
}

.live-status i {
  display: inline-block;
  width: 5px;
  height: 5px;
  margin-right: 0.35rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}

.product-body {
  padding: 1.4rem;
}

.target-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.target-row strong {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.9rem;
}

.mini-label {
  color: #647989;
  font-size: 0.58rem;
  letter-spacing: 0.16em;
}

.scope-badge {
  padding: 0.27rem 0.55rem;
  border: 1px solid rgba(114, 217, 173, 0.25);
  border-radius: 999px;
  background: rgba(114, 217, 173, 0.07);
  color: var(--green);
  font-size: 0.56rem;
  letter-spacing: 0.11em;
}

.signal-map {
  position: relative;
  height: 250px;
  margin: 1rem 0;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 0.7rem;
  background:
    linear-gradient(rgba(110, 218, 242, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(110, 218, 242, 0.035) 1px, transparent 1px),
    radial-gradient(
      circle at 50% 50%,
      rgba(110, 218, 242, 0.1),
      transparent 52%
    );
  background-size:
    28px 28px,
    28px 28px,
    auto;
  overflow: hidden;
}

.orbit {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(110, 218, 242, 0.16);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-one {
  width: 115px;
  height: 115px;
}
.orbit-two {
  width: 190px;
  height: 190px;
}

.node {
  position: absolute;
  z-index: 2;
  width: 9px;
  height: 9px;
  border: 2px solid rgba(9, 17, 27, 0.9);
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 14px var(--cyan);
}

.node-center {
  top: calc(50% - 6px);
  left: calc(50% - 6px);
  width: 13px;
  height: 13px;
}
.node-a {
  top: 19%;
  left: 26%;
}
.node-b {
  top: 30%;
  right: 19%;
}
.node-c {
  right: 28%;
  bottom: 17%;
}

.beam {
  position: absolute;
  z-index: 1;
  top: 50%;
  left: 50%;
  width: 118px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  transform-origin: left;
  opacity: 0.45;
}

.beam-a {
  transform: rotate(215deg);
}
.beam-b {
  transform: rotate(324deg);
}
.beam-c {
  transform: rotate(43deg);
}

.product-flow {
  display: grid;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.product-flow li {
  display: grid;
  grid-template-columns: 27px 1fr auto;
  align-items: center;
  min-height: 35px;
  padding: 0 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.055);
  border-radius: 0.45rem;
  color: #8498a7;
  font-size: 0.67rem;
}

.product-flow li span,
.product-flow li b {
  font-size: 0.52rem;
  letter-spacing: 0.1em;
}

.product-flow li.complete b {
  color: var(--green);
}
.product-flow li.active {
  border-color: rgba(110, 218, 242, 0.3);
  background: var(--cyan-soft);
  color: var(--text);
}
.product-flow li.active b {
  color: var(--cyan);
}

.trust-strip {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 6rem;
  padding: 1.3rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: #7d91a0;
  font-size: 0.6rem;
  letter-spacing: 0.16em;
}

.trust-strip i {
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--cyan);
}

.section {
  padding-block: 8rem;
}

.section-heading {
  max-width: 660px;
  margin-bottom: 3.5rem;
}

h2 {
  margin-bottom: 1.15rem;
  font-size: clamp(2.15rem, 4.5vw, 4rem);
  font-weight: 650;
}

.section-heading > p:last-child,
.governance-copy,
.qr-copy > p:not(.eyebrow),
.final-cta p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-grid article {
  position: relative;
  min-height: 280px;
  padding: 2rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: linear-gradient(
    150deg,
    rgba(255, 255, 255, 0.027),
    rgba(255, 255, 255, 0.008)
  );
}

.feature-number {
  position: absolute;
  top: 1.2rem;
  right: 1.4rem;
  color: #486173;
  font-size: 0.58rem;
  letter-spacing: 0.1em;
}

.feature-icon {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  margin-bottom: 3.1rem;
  border: 1px solid rgba(110, 218, 242, 0.2);
  border-radius: 0.6rem;
  background: var(--cyan-soft);
  color: var(--cyan);
  font-size: 1.3rem;
}

.feature-grid h3 {
  margin-bottom: 0.75rem;
  font-size: 1.35rem;
}

.feature-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.governance {
  border-block: 1px solid var(--line);
  background: linear-gradient(
    135deg,
    rgba(110, 218, 242, 0.045),
    transparent 48%
  );
}

.governance-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: center;
}

.governance-copy {
  max-width: 510px;
}

.steps {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.steps li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1rem;
  padding: 1.35rem 0;
  border-bottom: 1px solid var(--line);
}

.steps > li > span {
  color: var(--cyan);
  font-size: 0.62rem;
  letter-spacing: 0.12em;
}

.steps strong {
  font-size: 0.98rem;
}

.steps p {
  margin: 0.25rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.agent-steps li {
  padding-block: 1.15rem;
}

.phase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.phase-grid article {
  min-height: 190px;
  padding: 1.7rem;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.022), transparent);
}

.phase-grid article > span {
  display: block;
  margin-bottom: 2.2rem;
  color: var(--cyan);
  font-size: 0.58rem;
  letter-spacing: 0.14em;
}

.phase-grid strong {
  display: block;
  margin-bottom: 0.55rem;
  font-size: 1rem;
}

.phase-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.closing {
  padding-block: 8rem;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(
      circle at 50% 100%,
      rgba(110, 218, 242, 0.11),
      transparent 42%
    ),
    var(--surface);
  text-align: center;
}

.closing-inner {
  max-width: 910px;
}

.closing-inner > p:not(.eyebrow) {
  max-width: 690px;
  margin: 0 auto;
  color: var(--muted);
}

.assurance-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.7rem;
  margin-top: 3rem;
}

.assurance-grid span {
  padding: 0.8rem 1rem;
  border: 1px solid rgba(110, 218, 242, 0.14);
  border-radius: 0.5rem;
  background: rgba(110, 218, 242, 0.045);
  color: #a6b8c5;
  font-size: 0.7rem;
  letter-spacing: 0.05em;
}

.qr-section {
  padding-block: 7rem;
}

.qr-card {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 4rem;
  padding: clamp(2rem, 6vw, 5rem);
  border: 1px solid rgba(110, 218, 242, 0.18);
  border-radius: 1.2rem;
  background:
    radial-gradient(
      circle at 88% 45%,
      rgba(110, 218, 242, 0.12),
      transparent 30%
    ),
    var(--surface);
}

.qr-copy {
  max-width: 640px;
}

.qr-copy > a {
  display: inline-flex;
  gap: 0.65rem;
  margin-top: 1rem;
  color: var(--cyan);
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none;
}

.qr-frame {
  display: grid;
  place-items: center;
  gap: 0.8rem;
  padding: 1rem;
  border-radius: 0.8rem;
  background: #fff;
}

.qr-frame img {
  width: min(260px, 64vw);
  height: auto;
  display: block;
}

.qr-frame span {
  color: #13202a;
  font-size: 0.61rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.final-cta {
  padding-block: 8rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.final-cta .shell {
  max-width: 820px;
}

.final-cta .button {
  margin-top: 1.25rem;
}

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

.footer-inner {
  min-height: 110px;
}

.footer-inner p {
  margin: 0;
  color: #718594;
  font-size: 0.68rem;
}

@media (max-width: 900px) {
  .hero-grid,
  .governance-grid {
    grid-template-columns: 1fr;
  }

  .product-card {
    max-width: 600px;
  }

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

  .phase-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .feature-grid article {
    min-height: 220px;
  }

  .qr-card {
    grid-template-columns: 1fr;
  }

  .qr-frame {
    justify-self: start;
  }

  .footer-inner {
    flex-wrap: wrap;
    padding-block: 1.5rem;
  }
}

@media (max-width: 680px) {
  .header-inner {
    gap: 0.6rem;
  }

  .site-header .brand {
    gap: 0.5rem;
  }

  .site-header .brand img {
    width: 34px;
    height: 34px;
  }

  .header-label {
    max-width: 145px;
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }

  nav > a:not(.button) {
    display: none;
  }

  .brand-name {
    font-size: 0.78rem;
    letter-spacing: 0.1em;
  }

  .button-small {
    min-height: 36px;
    padding: 0.4rem 0.65rem;
    font-size: 0.66rem;
  }

  .hero {
    padding-top: 4.5rem;
  }

  .hero-actions .button {
    width: 100%;
  }

  .trust-strip {
    flex-wrap: wrap;
    justify-content: flex-start;
  }

  .trust-strip i:nth-of-type(2) {
    display: none;
  }

  .product-bar {
    grid-template-columns: 1fr 1fr;
  }

  .product-bar > span:nth-child(2) {
    display: none;
  }

  .signal-map {
    height: 210px;
  }

  .product-flow li {
    grid-template-columns: 26px 1fr;
  }

  .product-flow li b {
    display: none;
  }

  .section {
    padding-block: 5.5rem;
  }

  .phase-grid,
  .assurance-grid {
    grid-template-columns: 1fr;
  }

  .phase-grid article {
    min-height: auto;
  }

  .closing {
    padding-block: 5.5rem;
  }

  .qr-card {
    gap: 2rem;
  }
}

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

  *,
  *::before,
  *::after {
    transition: none !important;
  }
}