:root {
  color-scheme: dark;
  --black: #07090A;
  --charcoal: #0E1113;
  --panel: rgba(255, 255, 246, .075);
  --panel-strong: rgba(255, 255, 246, .12);
  --line: rgba(236, 240, 224, .17);
  --text: #FBFBF4;
  --muted: #B6BDB8;
  --dim: #828C88;
  --yellow: #FFE47A;
  --amber: #F5B11B;
  --aqua: #42E8D5;
  --ink: #151309;
  --radius: 8px;
  --shadow: 0 26px 84px rgba(0, 0, 0, .42);
  font-family: Inter, Avenir Next, Segoe UI, Roboto, Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 70% 12%, rgba(255, 228, 122, .14), transparent 28rem),
    radial-gradient(circle at 10% 6%, rgba(66, 232, 213, .10), transparent 22rem),
    linear-gradient(180deg, var(--black) 0%, #0B0F10 54%, var(--black) 100%);
  color: var(--text);
  line-height: 1.5;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .13;
  background:
    linear-gradient(30deg, transparent 41%, rgba(255, 228, 122, .18) 42%, rgba(255, 228, 122, .18) 44%, transparent 45%),
    linear-gradient(150deg, transparent 41%, rgba(255, 228, 122, .18) 42%, rgba(255, 228, 122, .18) 44%, transparent 45%),
    linear-gradient(90deg, transparent 46%, rgba(255, 228, 122, .12) 47%, rgba(255, 228, 122, .12) 49%, transparent 50%);
  background-size: 64px 37px;
  mask-image: radial-gradient(circle at 76% 16%, #000 0, transparent 36rem);
}

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

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

.topbar {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px clamp(18px, 4.8vw, 62px);
  border-bottom: 1px solid transparent;
  transition: background .18s ease, border-color .18s ease, backdrop-filter .18s ease;
}

.topbar[data-elevated="true"] {
  background: rgba(7, 9, 10, .84);
  border-color: var(--line);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.08rem;
  font-weight: 820;
}

.brand img {
  width: 42px;
  height: 42px;
  filter: drop-shadow(0 14px 24px rgba(0, 0, 0, .32));
}

nav {
  display: flex;
  gap: clamp(16px, 3vw, 34px);
  color: var(--muted);
  font-size: .94rem;
  font-weight: 720;
}

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

.nav-cta {
  justify-self: end;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid rgba(255, 228, 122, .42);
  border-radius: var(--radius);
  color: var(--yellow);
  font-weight: 820;
}

.nav-cta:hover {
  background: rgba(255, 228, 122, .12);
  border-color: rgba(255, 228, 122, .72);
}

.hero {
  position: relative;
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(290px, 420px);
  gap: clamp(28px, 5vw, 86px);
  align-items: end;
  padding: clamp(116px, 14vh, 170px) clamp(18px, 5vw, 78px) clamp(46px, 8vh, 92px);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.mesh {
  position: absolute;
  inset: 0;
  opacity: .36;
  background-image:
    linear-gradient(rgba(255, 228, 122, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 228, 122, .08) 1px, transparent 1px);
  background-size: 52px 52px;
  mask-image: radial-gradient(circle at 54% 44%, #000 0, transparent 70%);
}

.hex-field {
  position: absolute;
  width: min(58vw, 720px);
  height: min(58vw, 720px);
  right: -80px;
  top: 12%;
  opacity: .22;
  background:
    linear-gradient(30deg, transparent 41%, rgba(255, 228, 122, .62) 42%, rgba(255, 228, 122, .62) 44%, transparent 45%),
    linear-gradient(150deg, transparent 41%, rgba(255, 228, 122, .62) 42%, rgba(255, 228, 122, .62) 44%, transparent 45%),
    linear-gradient(90deg, transparent 46%, rgba(255, 228, 122, .42) 47%, rgba(255, 228, 122, .42) 49%, transparent 50%);
  background-size: 76px 44px;
  mask-image: radial-gradient(circle, #000 0, transparent 68%);
}

.route {
  position: absolute;
  border: 1px solid rgba(66, 232, 213, .18);
  border-radius: 32px;
  transform: rotate(45deg);
}

.route-one {
  width: 440px;
  height: 440px;
  right: 7%;
  top: 15%;
}

.route-two {
  width: 670px;
  height: 670px;
  left: -220px;
  bottom: -290px;
  border-color: rgba(255, 228, 122, .16);
}

.logic-field {
  position: absolute;
  width: min(74vw, 980px);
  right: -110px;
  top: 18%;
  opacity: .76;
  filter: drop-shadow(0 24px 54px rgba(0, 0, 0, .42));
}

.hero-copy,
.metric-panel {
  position: relative;
  z-index: 1;
}

.hero-copy {
  max-width: 1040px;
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--yellow);
  font-size: .78rem;
  font-weight: 870;
  letter-spacing: .14em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 1040px;
  margin-bottom: 24px;
  font-size: clamp(3rem, 7.8vw, 8rem);
  line-height: .91;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 4.8vw, 4.8rem);
  line-height: .98;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 1.13rem;
  line-height: 1.15;
}

.subhead {
  max-width: 780px;
  margin-bottom: 34px;
  color: var(--muted);
  font-size: clamp(1.05rem, 1.6vw, 1.34rem);
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 20px;
  border-radius: var(--radius);
  font-weight: 850;
  transition: transform .18s ease, background .18s ease, border-color .18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  background: linear-gradient(135deg, var(--yellow), var(--amber) 62%, var(--aqua) 150%);
  color: var(--ink);
  box-shadow: 0 22px 58px rgba(245, 177, 27, .20);
}

.button.ghost {
  border: 1px solid var(--line);
  background: rgba(255, 255, 246, .055);
}

.button.ghost:hover {
  background: rgba(255, 255, 246, .095);
  border-color: rgba(236, 240, 224, .34);
}

.button.large {
  min-height: 58px;
  padding: 0 26px;
}

.metric-panel {
  align-self: end;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(7, 9, 10, .62);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.metric-panel div {
  padding: 18px;
}

.metric-panel div + div {
  border-top: 1px solid var(--line);
}

.metric-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--dim);
  font-size: .82rem;
  font-weight: 760;
}

.metric-panel strong {
  display: block;
  font-size: 1.08rem;
}

.section,
.band,
.contact,
.identity {
  padding: clamp(70px, 10vw, 128px) clamp(18px, 5vw, 78px);
}

.section-title {
  max-width: 930px;
  margin-bottom: clamp(28px, 5vw, 54px);
}

.section-title.narrow {
  max-width: 790px;
}

.systems-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  border: 1px solid var(--line);
  background: var(--line);
  box-shadow: var(--shadow);
}

.systems-grid article {
  min-height: 282px;
  padding: clamp(22px, 3vw, 34px);
  background: linear-gradient(180deg, rgba(255, 255, 246, .08), rgba(255, 255, 246, .045));
}

.systems-grid span {
  display: inline-flex;
  margin-bottom: 58px;
  color: var(--aqua);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .12em;
}

.systems-grid p,
.steps p,
.lead,
.identity-card p {
  color: var(--muted);
}

.band {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255,255,255,.03), transparent),
    #0A0D0E;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.comb-watermark {
  position: absolute;
  right: -120px;
  top: 24px;
  width: min(56vw, 680px);
  height: min(44vw, 520px);
  opacity: .12;
  pointer-events: none;
  background:
    linear-gradient(30deg, transparent 41%, rgba(255, 228, 122, .72) 42%, rgba(255, 228, 122, .72) 44%, transparent 45%),
    linear-gradient(150deg, transparent 41%, rgba(255, 228, 122, .72) 42%, rgba(255, 228, 122, .72) 44%, transparent 45%),
    linear-gradient(90deg, transparent 46%, rgba(255, 228, 122, .48) 47%, rgba(255, 228, 122, .48) 49%, transparent 50%);
  background-size: 70px 40px;
  mask-image: radial-gradient(circle, #000 0, transparent 72%);
}

.operator-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: clamp(30px, 5vw, 58px);
}

.operator-list span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid rgba(255, 228, 122, .23);
  border-radius: 999px;
  background: rgba(255, 228, 122, .055);
  color: #EFE9C7;
  font-size: .91rem;
  font-weight: 760;
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.proof-grid article {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(255, 255, 246, .055);
}

.proof-grid article::after {
  content: "";
  position: absolute;
  right: -54px;
  bottom: -44px;
  width: 170px;
  height: 130px;
  opacity: .12;
  background:
    linear-gradient(30deg, transparent 41%, rgba(255, 228, 122, .9) 42%, rgba(255, 228, 122, .9) 44%, transparent 45%),
    linear-gradient(150deg, transparent 41%, rgba(255, 228, 122, .9) 42%, rgba(255, 228, 122, .9) 44%, transparent 45%),
    linear-gradient(90deg, transparent 46%, rgba(255, 228, 122, .7) 47%, rgba(255, 228, 122, .7) 49%, transparent 50%);
  background-size: 34px 20px;
}

.proof-grid .label {
  margin-bottom: 26px;
  color: var(--yellow);
  font-size: .74rem;
  font-weight: 900;
  letter-spacing: .12em;
  text-transform: uppercase;
}

.proof-grid p:not(.label) {
  color: #E7E8DD;
  font-size: 1.04rem;
}

.proof-grid small {
  color: var(--dim);
  font-size: .86rem;
  font-weight: 780;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, .9fr) minmax(300px, .72fr);
  gap: clamp(32px, 6vw, 92px);
  align-items: start;
}

.lead {
  max-width: 620px;
  font-size: 1.12rem;
}

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

.steps div {
  padding: 26px;
  background: rgba(255, 255, 246, .055);
}

.steps strong {
  display: block;
  margin-bottom: 8px;
  font-size: 1.03rem;
}

.steps p {
  margin-bottom: 0;
}

.identity {
  padding-top: 0;
}

.identity-card {
  position: relative;
  overflow: hidden;
  padding: clamp(28px, 6vw, 70px);
  border: 1px solid rgba(255, 228, 122, .22);
  border-radius: 14px;
  background:
    linear-gradient(135deg, rgba(255, 228, 122, .11), rgba(66, 232, 213, .07)),
    rgba(255, 255, 246, .055);
  box-shadow: var(--shadow);
}

.identity-card::after {
  content: "";
  position: absolute;
  right: -90px;
  top: -70px;
  width: 320px;
  height: 240px;
  opacity: .10;
  background:
    linear-gradient(30deg, transparent 41%, rgba(255, 228, 122, .85) 42%, rgba(255, 228, 122, .85) 44%, transparent 45%),
    linear-gradient(150deg, transparent 41%, rgba(255, 228, 122, .85) 42%, rgba(255, 228, 122, .85) 44%, transparent 45%),
    linear-gradient(90deg, transparent 46%, rgba(255, 228, 122, .62) 47%, rgba(255, 228, 122, .62) 49%, transparent 50%);
  background-size: 46px 27px;
}

.identity-card img {
  display: block;
  width: min(360px, 88vw);
  height: auto;
  margin-bottom: 42px;
}

.identity-card h2 {
  max-width: 930px;
}

.identity-card p {
  max-width: 780px;
  margin-bottom: 0;
  font-size: 1.1rem;
}

.contact {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  border-top: 1px solid var(--line);
}

.contact h2 {
  max-width: 880px;
  margin-bottom: 0;
}

footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 28px clamp(18px, 5vw, 78px);
  border-top: 1px solid var(--line);
  color: var(--dim);
  font-size: .92rem;
}

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

  nav {
    display: none;
  }

  .hero {
    min-height: auto;
    grid-template-columns: 1fr;
    padding-top: 128px;
  }

  .logic-field {
    width: 980px;
    right: -330px;
    opacity: .5;
  }

  .metric-panel {
    max-width: 540px;
  }

  .systems-grid,
  .proof-grid,
  .split {
    grid-template-columns: 1fr 1fr;
  }

  .contact {
    align-items: start;
    flex-direction: column;
  }
}

@media (max-width: 680px) {
  .topbar {
    padding: 14px 16px;
  }

  .brand img {
    width: 38px;
    height: 38px;
  }

  .nav-cta {
    min-height: 38px;
    padding: 0 12px;
    font-size: .88rem;
  }

  .hero {
    padding: 106px 16px 44px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 4.55rem);
  }

  h2 {
    font-size: clamp(2rem, 10vw, 3.2rem);
  }

  .subhead {
    font-size: 1.02rem;
  }

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

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

  .systems-grid,
  .proof-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .systems-grid article {
    min-height: 0;
  }

  .systems-grid span {
    margin-bottom: 34px;
  }

  .section,
  .band,
  .identity,
  .contact {
    padding-left: 16px;
    padding-right: 16px;
  }

  footer {
    flex-direction: column;
    padding-left: 16px;
    padding-right: 16px;
  }
}