:root {
  --ink: #07090b;
  --paper: #f3f0e8;
  --paper-2: #e6ebed;
  --panel: #101418;
  --panel-2: #171d22;
  --text: #f6f3ec;
  --muted: #aeb7bb;
  --line: rgba(246, 243, 236, 0.16);
  --cyan: #29c7e8;
  --green: #a8ff5a;
  --orange: #ff8d3b;
  --red: #ff5f57;
  --max: 1160px;
}

* { box-sizing: border-box; }
html { background: var(--ink); scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.45;
  letter-spacing: 0;
}

a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
.shell { width: min(var(--max), calc(100% - 40px)); margin: 0 auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid rgba(246, 243, 236, 0.14);
  background: rgba(7, 9, 11, 0.86);
  backdrop-filter: blur(18px);
}

.nav {
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 950;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  border: 1px solid rgba(41, 199, 232, 0.55);
  background:
    linear-gradient(135deg, rgba(41, 199, 232, 0.34), rgba(168, 255, 90, 0.13)),
    #0c1216;
  position: relative;
}

.brand-mark::after {
  content: "";
  position: absolute;
  inset: 10px 8px;
  border-top: 2px solid var(--green);
  border-bottom: 2px solid var(--orange);
  transform: skewX(-18deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 20px;
  color: var(--muted);
  font-size: 0.93rem;
  font-weight: 780;
}

.nav-links a:hover { color: var(--text); }
.nav-cta {
  border: 1px solid rgba(168, 255, 90, 0.62);
  border-radius: 8px;
  padding: 10px 13px;
  color: var(--green);
  background: rgba(168, 255, 90, 0.08);
}

.hero {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 38px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 56px 0 44px;
}

.hero.plain { min-height: auto; padding-top: 76px; }
.dark-band {
  background:
    linear-gradient(180deg, rgba(41, 199, 232, 0.08), transparent 320px),
    radial-gradient(circle at 75% 8%, rgba(255, 141, 59, 0.13), transparent 340px),
    #07090b;
}

.light-band {
  color: #101418;
  background: var(--paper);
}

.steel-band {
  color: #0e1317;
  background: var(--paper-2);
}

.eyebrow {
  display: inline-flex;
  min-height: 34px;
  align-items: center;
  border: 1px solid rgba(41, 199, 232, 0.48);
  border-radius: 8px;
  padding: 0 12px;
  color: var(--cyan);
  background: rgba(41, 199, 232, 0.08);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 0.76rem;
  font-weight: 950;
}

h1, h2, h3, p { margin: 0; }
h1 {
  max-width: 820px;
  margin-top: 22px;
  font-size: 5.7rem;
  line-height: 0.9;
  text-transform: uppercase;
  font-weight: 950;
}

h2 {
  font-size: 3.7rem;
  line-height: 0.96;
  text-transform: uppercase;
  font-weight: 950;
}

h3 {
  font-size: 1.18rem;
  line-height: 1.12;
  font-weight: 900;
}

.lead {
  max-width: 760px;
  margin-top: 22px;
  color: rgba(246, 243, 236, 0.82);
  font-size: 1.28rem;
}

.light-band .lead,
.steel-band .lead,
.light-band .section-copy,
.steel-band .section-copy,
.light-band .card p,
.steel-band .card p { color: #48525a; }

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--green);
  border-radius: 8px;
  padding: 0 18px;
  color: #071015;
  background: var(--green);
  font-weight: 920;
}

.button.alt {
  color: var(--text);
  background: rgba(246, 243, 236, 0.05);
  border-color: var(--line);
}

.light-band .button.alt,
.steel-band .button.alt {
  color: #101418;
  background: rgba(16, 20, 24, 0.04);
  border-color: rgba(16, 20, 24, 0.18);
}

.visual-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #0e1419;
}

.visual-frame img {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
}

.visual-caption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 16px;
  display: grid;
  gap: 7px;
  max-width: 520px;
  border: 1px solid rgba(246, 243, 236, 0.15);
  border-radius: 8px;
  padding: 14px;
  background: rgba(7, 9, 11, 0.78);
  backdrop-filter: blur(14px);
}

.visual-caption strong { color: var(--green); }
.visual-caption span { color: var(--muted); font-weight: 720; }

section { padding: 82px 0; }
.section-head {
  display: grid;
  grid-template-columns: 0.86fr 1fr;
  gap: 30px;
  align-items: end;
  margin-bottom: 28px;
}

.section-copy {
  max-width: 650px;
  color: var(--muted);
  font-size: 1.06rem;
}

.grid-3,
.grid-4,
.grid-2 {
  display: grid;
  gap: 14px;
}

.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

.card {
  min-height: 220px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px;
  background: rgba(16, 20, 24, 0.82);
}

.light-band .card,
.steel-band .card {
  border-color: rgba(16, 20, 24, 0.16);
  background: rgba(255, 255, 255, 0.54);
}

.card small {
  display: block;
  margin-bottom: 13px;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 950;
}

.card p { margin-top: 13px; color: var(--muted); }
.card strong.metric {
  display: block;
  margin-top: 18px;
  color: var(--green);
  font-size: 1.08rem;
}

.light-band .card strong.metric,
.steel-band .card strong.metric { color: #246b2a; }

.signal-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.signal {
  min-height: 122px;
  padding: 22px;
  border-right: 1px solid var(--line);
}

.signal strong {
  display: block;
  color: var(--green);
  font-size: 3.2rem;
  line-height: 0.95;
  font-weight: 950;
}

.signal span {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-weight: 720;
}

.process {
  display: grid;
  gap: 10px;
  margin-top: 24px;
}

.process-row {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 14px;
  align-items: center;
  border: 1px solid rgba(16, 20, 24, 0.15);
  border-radius: 8px;
  padding: 16px;
  background: rgba(255, 255, 255, 0.5);
}

.process-row b { text-transform: uppercase; }
.process-row span { color: #48525a; }

.cta-panel {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 28px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 32px;
  background:
    linear-gradient(110deg, rgba(41, 199, 232, 0.14), rgba(168, 255, 90, 0.09) 45%, rgba(255, 141, 59, 0.12)),
    var(--panel);
}

.cta-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-weight: 720;
}

.cta-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.cta-list li::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 8px;
  border-radius: 2px;
  background: var(--green);
}

footer {
  padding: 26px 0 38px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #07090b;
  font-size: 0.94rem;
}

.footer-grid {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
}

@media (max-width: 980px) {
  .hero,
  .section-head,
  .cta-panel {
    grid-template-columns: 1fr;
  }

  .grid-4,
  .grid-3,
  .signal-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  h1 { font-size: 4.2rem; }
  h2 { font-size: 3rem; }
}

@media (max-width: 680px) {
  .shell { width: min(100% - 28px, var(--max)); }
  .nav {
    min-height: auto;
    padding: 14px 0;
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    width: 100%;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    min-height: auto;
    padding: 38px 0;
  }

  .visual-frame img { min-height: 320px; }
  .grid-4,
  .grid-3,
  .grid-2,
  .signal-strip {
    grid-template-columns: 1fr;
  }

  .process-row { grid-template-columns: 1fr; }
  h1 { font-size: 3.05rem; }
  h2 { font-size: 2.22rem; }
  .lead { font-size: 1.1rem; }
  section { padding: 58px 0; }
}