:root {
  --night: #0d1117;
  --slate: #161f2b;
  --panel: #1d2a39;
  --steel: #5d7387;
  --cyan: #45d3e8;
  --green: #6ee7a2;
  --amber: #f0b44a;
  --rose: #e7846d;
  --mist: #d8e0ea;
  --fog: #edf2f7;
  --white: #ffffff;
  --ink: #0e1720;
  --muted: #607286;
  --grid: #243447;
  --line: rgba(14, 23, 32, 0.12);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Source Sans 3", sans-serif;
  color: var(--ink);
  background: var(--fog);
}

img { display: block; max-width: 100%; }
a { color: inherit; }
button, input, textarea { font: inherit; }
h1, h2, h3, strong, .brand-name, .button, .console-title {
  font-family: "Space Grotesk", sans-serif;
}
h1, h2, h3, p { margin: 0; }

.shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(13, 17, 23, 0.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(69, 211, 232, 0.12);
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.9rem;
}

.brand-link {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  color: var(--white);
}

.brand-mark {
  width: 2.8rem;
  height: 2.8rem;
}

.brand-copy {
  display: flex;
  flex-direction: column;
  gap: 0.08rem;
}

.brand-name { font-size: 1.12rem; }
.brand-subtitle { font-size: 0.82rem; color: var(--mist); }

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  color: var(--mist);
}

.main-nav a,
.footer-links a { text-decoration: none; }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.95rem;
  padding: 0 1.15rem;
  border-radius: 6px;
  border: 1px solid transparent;
  text-decoration: none;
  font-size: 0.96rem;
}

.button-solid {
  background: var(--cyan);
  color: var(--ink);
}

.button-outline {
  background: transparent;
  border-color: rgba(69, 211, 232, 0.25);
  color: var(--mist);
}

.hero-band {
  background:
    linear-gradient(180deg, rgba(13, 17, 23, 0.98), rgba(22, 31, 43, 0.98)),
    linear-gradient(90deg, rgba(69, 211, 232, 0.08), transparent 44%);
  color: var(--white);
}

.hero-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.92fr);
  gap: 2rem;
  align-items: start;
  padding: 4.2rem 0 2.7rem;
}

.kicker {
  display: inline-block;
  margin-bottom: 0.9rem;
  font-size: 0.92rem;
  color: var(--cyan);
}

.kicker-light { color: var(--mist); }
.kicker-dark { color: var(--cyan); }

.hero-copy h1 {
  font-size: 4.8rem;
  line-height: 0.92;
  margin-bottom: 1rem;
}

.hero-intro,
.section-copy,
.closing-copy p {
  max-width: 44rem;
  line-height: 1.7;
  color: var(--mist);
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  gap: 0.9rem;
  margin-top: 1.7rem;
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 2rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(69, 211, 232, 0.12);
}

.hero-metrics span {
  display: block;
  color: var(--mist);
  line-height: 1.55;
}

.hero-console {
  padding: 1rem;
  border: 1px solid rgba(69, 211, 232, 0.12);
  border-radius: 8px;
  background: linear-gradient(180deg, rgba(29, 42, 57, 0.92), rgba(22, 31, 43, 0.96));
}

.console-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 0.9rem;
}

.console-title { font-size: 1.08rem; }

.console-chip,
.module-tag,
.step-no,
.panel-label,
.ledger-row em {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2rem;
}

.console-chip {
  padding: 0 0.85rem;
  border-radius: 999px;
  background: rgba(69, 211, 232, 0.12);
  color: var(--cyan);
  font-size: 0.84rem;
}

.console-grid,
.module-grid,
.workflow-grid,
.audience-grid,
.strip-grid,
.contact-grid {
  display: grid;
  gap: 1rem;
}

.console-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.signal-card,
.module-card,
.workflow-step,
.strip-card,
.contact-panel,
.contact-form {
  border-radius: 8px;
}

.signal-card {
  min-height: 10.4rem;
  padding: 1rem;
}

.signal-card strong,
.strip-card span,
.module-card h3,
.workflow-step h3,
.ledger-row strong,
.contact-panel h2 {
  font-size: 1.12rem;
}

.signal-card p,
.strip-card p,
.module-card p,
.workflow-step p,
.audience-grid p,
.contact-list li,
.contact-note a,
.ledger-row span {
  line-height: 1.62;
}

.signal-cyan { background: linear-gradient(180deg, rgba(69, 211, 232, 0.22), rgba(69, 211, 232, 0.08)); }
.signal-green { background: linear-gradient(180deg, rgba(110, 231, 162, 0.2), rgba(110, 231, 162, 0.08)); }
.signal-amber { background: linear-gradient(180deg, rgba(240, 180, 74, 0.2), rgba(240, 180, 74, 0.08)); }
.signal-slate { background: linear-gradient(180deg, rgba(93, 115, 135, 0.22), rgba(93, 115, 135, 0.08)); }

.section-band { padding: 4.4rem 0; }
.section-fog { background: var(--fog); }
.section-paper { background: var(--white); }
.section-night { background: var(--night); color: var(--white); }
.section-mist { background: var(--mist); }
.section-grid {
  background:
    linear-gradient(180deg, rgba(13, 17, 23, 0.98), rgba(22, 31, 43, 0.98)),
    linear-gradient(90deg, rgba(69, 211, 232, 0.06), transparent 42%);
  color: var(--white);
}

.section-shell {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.8rem;
}

.section-split {
  grid-template-columns: minmax(0, 0.86fr) minmax(280px, 0.92fr);
  align-items: end;
}

.section-shell h2,
.records-copy h2,
.contact-hero h1,
.audience-layout h2,
.closing-band h2 {
  font-size: 2.72rem;
  line-height: 1.04;
}

.heading-light { color: var(--white); }

.strip-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.strip-card {
  padding: 1.1rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.strip-card p,
.records-copy .section-copy,
.contact-hero .hero-intro {
  color: var(--muted);
}

.module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }

.module-card {
  min-height: 12.9rem;
  padding: 1.15rem;
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.module-card p { color: rgba(255, 255, 255, 0.8); }
.module-cyan { background: linear-gradient(180deg, rgba(69, 211, 232, 0.22), rgba(29, 42, 57, 0.98)); }
.module-green { background: linear-gradient(180deg, rgba(110, 231, 162, 0.22), rgba(29, 42, 57, 0.98)); }
.module-amber { background: linear-gradient(180deg, rgba(240, 180, 74, 0.22), rgba(29, 42, 57, 0.98)); }
.module-slate { background: linear-gradient(180deg, rgba(93, 115, 135, 0.22), rgba(29, 42, 57, 0.98)); }
.module-cyan-dark { background: linear-gradient(180deg, rgba(69, 211, 232, 0.12), rgba(14, 23, 32, 0.98)); }
.module-green-dark { background: linear-gradient(180deg, rgba(110, 231, 162, 0.12), rgba(14, 23, 32, 0.98)); }

.records-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(320px, 0.88fr);
  gap: 1.2rem;
  align-items: start;
}

.ledger-panel {
  padding: 1rem;
  background: var(--fog);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.ledger-head,
.ledger-row {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(130px, 1fr) 84px;
  gap: 0.8rem;
  align-items: center;
}

.ledger-head {
  padding: 0 0 0.8rem;
  font-size: 0.9rem;
  color: var(--muted);
  border-bottom: 1px solid var(--line);
}

.ledger-row {
  padding: 1rem 0;
  border-bottom: 1px solid rgba(14, 23, 32, 0.08);
}

.ledger-row:last-child { border-bottom: 0; }

.ledger-row em {
  padding: 0 0.72rem;
  border-radius: 999px;
  background: rgba(69, 211, 232, 0.12);
  color: var(--ink);
  font-style: normal;
  font-size: 0.84rem;
}

.workflow-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }

.workflow-step {
  padding: 1.15rem;
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(14, 23, 32, 0.08);
}

.step-no,
.module-tag {
  min-width: 2rem;
  color: var(--cyan);
  font-size: 0.92rem;
}

.audience-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.84fr) minmax(300px, 1fr);
  gap: 1.2rem;
  align-items: start;
}

.audience-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }

.audience-grid strong {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 1.08rem;
  color: var(--white);
}

.audience-grid p { color: rgba(255, 255, 255, 0.82); }

.closing-band {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 0.72fr);
  gap: 1.2rem;
  align-items: end;
}

.closing-copy {
  display: grid;
  gap: 1rem;
}

.contact-main .contact-hero-band {
  padding-bottom: 1.8rem;
}

.contact-hero {
  display: grid;
  gap: 0.9rem;
  padding: 4rem 0 0;
}

.contact-grid {
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1fr);
}

.contact-panel,
.contact-form {
  padding: 1.2rem;
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-list {
  margin: 1rem 0 0;
  padding-left: 1.2rem;
}

.contact-list li + li { margin-top: 0.5rem; }

.contact-note {
  margin-top: 1.5rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.contact-note strong,
.contact-form span {
  display: block;
  margin-bottom: 0.45rem;
}

.contact-form label {
  display: block;
  margin-bottom: 1rem;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 0.95rem 1rem;
  border-radius: 6px;
  border: 1px solid rgba(14, 23, 32, 0.12);
  background: var(--fog);
}

.contact-form textarea { resize: vertical; }

.site-footer {
  padding: 1.4rem 0 1.7rem;
  background: var(--night);
  color: var(--white);
}

.footer-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  gap: 1rem;
  align-items: center;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.55;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-social {
  display: flex;
  gap: 0.65rem;
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: rgba(255, 255, 255, 0.04);
}

.footer-social svg {
  width: 1rem;
  height: 1rem;
  fill: currentColor;
}

@media (max-width: 1080px) {
  .hero-shell,
  .section-split,
  .records-layout,
  .audience-layout,
  .closing-band,
  .contact-grid,
  .footer-shell {
    grid-template-columns: 1fr;
  }

  .module-grid,
  .workflow-grid,
  .strip-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero-copy h1 { font-size: 4rem; }
}

@media (max-width: 820px) {
  .nav-shell,
  .main-nav,
  .hero-actions,
  .footer-shell,
  .footer-links,
  .module-grid,
  .workflow-grid,
  .strip-grid,
  .audience-grid,
  .console-grid {
    display: grid;
    grid-template-columns: 1fr;
  }

  .main-nav { justify-items: start; }

  .hero-copy h1,
  .section-shell h2,
  .records-copy h2,
  .contact-hero h1,
  .audience-layout h2,
  .closing-band h2 {
    font-size: 2.7rem;
  }

  .hero-metrics {
    grid-template-columns: 1fr;
  }

  .ledger-head { display: none; }

  .ledger-row {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }
}