:root {
  --bg: #03070d;
  --bg-soft: #09111c;
  --panel: rgba(8, 16, 25, 0.78);
  --panel-strong: rgba(6, 11, 18, 0.92);
  --line: rgba(92, 247, 255, 0.18);
  --line-strong: rgba(92, 247, 255, 0.34);
  --text: #eafaff;
  --muted: #8ba6b1;
  --cyan: #5cf7ff;
  --cyan-soft: #c9fdff;
  --gold: #d2b269;
  --shadow: 0 28px 100px rgba(0, 0, 0, 0.5);
  color-scheme: dark;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  font-family: "IBM Plex Mono", monospace;
  color: var(--text);
  background: linear-gradient(180deg, #02050a 0%, #06101a 40%, #08131d 100%);
}

.signal-bg {
  position: fixed;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
}

.signal-bg__grid,
.signal-bg__sweep,
.signal-bg__glow {
  position: absolute;
}

.signal-bg__grid {
  inset: 0;
  opacity: 0.22;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
  background-size: 42px 42px;
  mask-image: radial-gradient(circle at center, black, transparent 82%);
}

.signal-bg__sweep {
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(92, 247, 255, 0.04) 50%, transparent 100%);
  animation: sweep 12s linear infinite;
}

.signal-bg__glow {
  width: 34vw;
  height: 34vw;
  top: -8vw;
  right: -6vw;
  border-radius: 50%;
  background: rgba(92, 247, 255, 0.14);
  filter: blur(90px);
}

@keyframes sweep {
  from {
    transform: translateY(-100%);
  }
  to {
    transform: translateY(100%);
  }
}

.page-shell {
  position: relative;
  width: min(1160px, calc(100% - 32px));
  margin: 0 auto;
  padding: 24px 0 92px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(6, 12, 20, 0.64);
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  color: var(--text);
  text-decoration: none;
}

.brand__logo {
  width: 60px;
  height: 60px;
  object-fit: cover;
  border-radius: 14px;
  box-shadow:
    0 0 0 1px rgba(92, 247, 255, 0.18),
    0 0 20px rgba(92, 247, 255, 0.08),
    0 16px 34px rgba(0, 0, 0, 0.36);
}

.brand__eyebrow,
.brand__wordmark,
.site-nav a,
.eyebrow,
.hero__readout span,
.stack-card span,
.console-card__panel--side span,
.console-card__header span,
.console-card__footer span {
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.brand__eyebrow {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 700;
}

.brand__wordmark {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 700;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 20px;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.74rem;
  font-weight: 700;
}

.site-nav__cta {
  padding: 12px 16px;
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  color: var(--text) !important;
  background: linear-gradient(135deg, rgba(92, 247, 255, 0.12), rgba(92, 247, 255, 0.04));
}

h1,
h2,
h3,
.button,
.faq summary,
.quote-block blockquote {
  font-family: "Space Grotesk", sans-serif;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(340px, 1.02fr);
  gap: 42px;
  align-items: start;
  padding: 78px 0 44px;
}

.hero__copy {
  padding-top: 12px;
}

.hero__visual {
  align-self: start;
  margin-top: -28px;
}

.eyebrow {
  margin: 0;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 700;
}

h1 {
  margin: 18px 0 0;
  max-width: 10ch;
  font-size: clamp(3.5rem, 8vw, 6.6rem);
  font-weight: 700;
  line-height: 0.9;
  letter-spacing: -0.06em;
}

.hero__lede,
.statement p,
.stack-card p,
.quote-block p,
.faq p,
.console-card__panel p,
.console-card__lines p {
  color: var(--muted);
  line-height: 1.8;
}

.hero__lede {
  max-width: 56ch;
  margin: 24px 0 0;
  font-size: 1rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 0 28px;
  border: 1px solid transparent;
  border-radius: 12px;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 700;
  transition: transform 180ms ease, background 180ms ease, border-color 180ms ease;
}

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

.button--primary {
  color: #041017;
  background: linear-gradient(135deg, var(--cyan), var(--cyan-soft));
  box-shadow: 0 0 24px rgba(92, 247, 255, 0.16);
}

.button--ghost {
  color: var(--text);
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.hero__readout {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.hero__readout article,
.stack-card,
.faq-list details,
.final-cta,
.console-card {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(8, 16, 25, 0.8), rgba(5, 10, 16, 0.94));
  box-shadow: var(--shadow);
}

.hero__readout article {
  min-width: 0;
  padding: 18px;
  border-radius: 14px;
}

.hero__readout span,
.stack-card span,
.console-card__panel--side span,
.console-card__header span,
.console-card__footer span {
  display: block;
  color: var(--cyan);
  font-size: 0.72rem;
  font-weight: 700;
}

.hero__readout strong {
  display: block;
  margin-top: 10px;
  font-size: 0.96rem;
  overflow-wrap: anywhere;
}

.console-card {
  overflow: hidden;
  border-radius: 18px;
}

.console-card__chrome,
.console-card__header,
.console-card__footer {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  border-bottom: 1px solid rgba(92, 247, 255, 0.1);
}

.console-card__chrome span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(92, 247, 255, 0.28);
}

.console-card__header {
  justify-content: space-between;
}

.console-card__header strong {
  color: var(--cyan);
  font-size: 0.86rem;
  text-transform: uppercase;
}

.console-card__core {
  display: grid;
  grid-template-columns: minmax(220px, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
  padding: 20px;
}

.console-card__logo-shell,
.console-card__lines,
.console-card__footer article {
  border: 1px solid rgba(92, 247, 255, 0.12);
  background: rgba(255, 255, 255, 0.02);
}

.console-card__logo-shell {
  display: grid;
  place-items: center;
  min-height: 276px;
  padding: 20px;
  border-radius: 14px;
}

.console-card__logo {
  width: min(100%, 300px);
  height: auto;
  display: block;
  filter:
    drop-shadow(0 18px 40px rgba(0, 0, 0, 0.34))
    drop-shadow(0 0 22px rgba(92, 247, 255, 0.12));
}

.console-card__lines {
  padding: 18px;
  border-radius: 14px;
}

.console-card__lines p {
  margin: 0;
  font-size: 0.9rem;
}

.console-card__lines p + p {
  margin-top: 12px;
}

.console-card__lines span {
  color: var(--cyan);
}

.console-card__footer {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  border-top: 1px solid rgba(92, 247, 255, 0.1);
  border-bottom: 0;
}

.console-card__footer article {
  min-width: 0;
  padding: 16px;
  border-radius: 12px;
}

.console-card__footer strong {
  display: block;
  margin-top: 8px;
  font-size: 0.96rem;
  overflow-wrap: anywhere;
}

.section,
.stack-grid,
.quote-block,
.faq {
  padding-top: 88px;
}

.statement {
  max-width: 780px;
}

.statement h2,
.faq h2,
.final-cta h2 {
  margin: 12px 0 0;
  font-size: clamp(2.3rem, 4vw, 4rem);
  font-weight: 700;
  line-height: 0.96;
}

.stack-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.stack-card {
  padding: 24px;
  border-radius: 14px;
}

.stack-card h3 {
  margin: 12px 0 0;
  font-size: 1.7rem;
  line-height: 1;
  overflow-wrap: anywhere;
}

.quote-block {
  max-width: 820px;
  margin: 0 auto;
  text-align: center;
}

.quote-block blockquote {
  margin: 0;
  font-size: clamp(2.2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: -0.04em;
}

.quote-block p {
  margin: 18px 0 0;
}

.faq {
  max-width: 860px;
  margin: 0 auto;
}

.faq-list {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.faq-list details {
  padding: 22px 24px;
  border-radius: 14px;
}

.faq summary {
  cursor: pointer;
  list-style: none;
  font-size: 1.35rem;
  font-weight: 700;
  overflow-wrap: anywhere;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq p {
  margin-bottom: 0;
}

.final-cta {
  margin-top: 84px;
  padding: 34px;
  border-radius: 18px;
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal--delay {
  transition-delay: 100ms;
}

.reveal--delay-2 {
  transition-delay: 180ms;
}

@media (max-width: 980px) {
  .site-header,
  .hero,
  .stack-grid,
  .hero__readout,
  .console-card__core,
  .console-card__footer {
    grid-template-columns: 1fr;
  }

  .site-header {
    display: grid;
  }

  .hero {
    padding-top: 52px;
  }

  .hero__visual {
    margin-top: 0;
  }

  .hero__copy {
    padding-top: 0;
  }
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 1160px);
  }

  .brand__logo {
    width: 54px;
    height: 54px;
  }

  h1 {
    font-size: clamp(3rem, 15vw, 5.4rem);
  }

  .site-header {
    gap: 16px;
    padding: 16px;
  }

  .hero__actions {
    flex-direction: column;
  }

  .hero {
    gap: 26px;
    padding-top: 44px;
  }

  .hero__readout {
    gap: 12px;
  }

  .button,
  .site-nav__cta {
    width: 100%;
  }

  .console-card__core,
  .stack-card,
  .faq-list details,
  .final-cta {
    padding: 18px;
  }
}