:root {
  color-scheme: dark;
  --bg: #05080d;
  --panel: #0b1118;
  --panel-2: #101822;
  --panel-3: #16212b;
  --line: rgba(142, 176, 207, 0.18);
  --line-strong: rgba(255, 211, 64, 0.35);
  --text: #f4f8fb;
  --muted: #adbac6;
  --dim: #6f7f8d;
  --blue: #38a8ff;
  --blue-deep: #0f63d6;
  --yellow: #ffd43b;
  --yellow-soft: #dcb83f;
  --steel: #8eb0cf;
  --green: #67d37b;
  --amber: var(--yellow);
  --danger: #e27b64;
  --shadow: rgba(0, 0, 0, 0.58);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background:
    linear-gradient(rgba(56, 168, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 168, 255, 0.045) 1px, transparent 1px),
    linear-gradient(115deg, rgba(56, 168, 255, 0.08), transparent 38%),
    linear-gradient(245deg, rgba(255, 212, 59, 0.06), transparent 34%),
    var(--bg);
  background-size: 36px 36px, 36px 36px, auto, auto, auto;
  color: var(--text);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  line-height: 1.55;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 16px 0;
  backdrop-filter: blur(18px);
}

.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.brand {
  flex: 0 0 auto;
  gap: 12px;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  text-transform: uppercase;
}

.brand-mark {
  position: relative;
  width: 32px;
  height: 32px;
  border: 1px solid rgba(255, 212, 59, 0.72);
  border-radius: 6px;
  background:
    linear-gradient(180deg, rgba(56, 168, 255, 0.32), rgba(56, 168, 255, 0) 50%),
    linear-gradient(90deg, rgba(255, 212, 59, 0.95) 0 48%, rgba(56, 168, 255, 0.75) 48% 100%);
  box-shadow: 0 0 22px rgba(56, 168, 255, 0.18);
}

.brand-mark::before,
.brand-mark::after,
.brand-signal {
  position: absolute;
  border: 2px solid transparent;
  border-top-color: #030608;
  border-right-color: #030608;
  border-radius: 50%;
  content: "";
}

.brand-mark::before {
  right: 4px;
  top: 5px;
  width: 8px;
  height: 8px;
}

.brand-mark::after {
  right: 0;
  top: 1px;
  width: 16px;
  height: 16px;
}

.brand-signal {
  right: -4px;
  top: -3px;
  width: 24px;
  height: 24px;
}

.brand-text {
  display: grid;
  gap: 1px;
  line-height: 1;
}

.brand-text strong {
  font-size: 1.03rem;
}

.brand-text span {
  color: var(--steel);
  font-size: 0.65rem;
  letter-spacing: 0.18em;
}

.nav-links {
  min-width: 0;
  flex: 0 1 auto;
  gap: 4px;
  padding: 4px;
  border: 1px solid rgba(142, 176, 207, 0.22);
  border-radius: 8px;
  background: rgba(7, 11, 17, 0.78);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.nav-links a {
  flex: 0 0 auto;
  min-height: 36px;
  padding: 8px 12px;
  color: var(--muted);
  font-size: 0.86rem;
  text-decoration: none;
  border-radius: 6px;
}

.nav-links a:hover {
  color: var(--text);
  background: rgba(56, 168, 255, 0.13);
}

.section,
.hero,
.final-cta {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 72px 0;
}

.section-band {
  position: relative;
}

.section-band::before {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -1;
  content: "";
  background:
    linear-gradient(180deg, rgba(56, 168, 255, 0.04), rgba(5, 8, 13, 0.7)),
    rgba(8, 13, 20, 0.54);
  border-block: 1px solid rgba(142, 176, 207, 0.1);
}

.hero {
  position: relative;
  display: block;
  padding: 68px 0 72px;
  overflow: hidden;
}

.hero::before {
  position: absolute;
  inset: 0 calc(50% - 50vw);
  z-index: -2;
  content: "";
  background:
    linear-gradient(90deg, rgba(5, 8, 13, 0.98) 0%, rgba(5, 8, 13, 0.88) 35%, rgba(5, 8, 13, 0.42) 70%),
    linear-gradient(180deg, rgba(5, 8, 13, 0.1), rgba(5, 8, 13, 0.82)),
    url("assets/hero-detector.png") right center / min(860px, 68vw) auto no-repeat;
}

.hero::after {
  position: absolute;
  inset: auto calc(50% - 50vw) 0;
  z-index: -1;
  height: 5px;
  content: "";
  background: linear-gradient(90deg, var(--blue) 0 50%, var(--yellow) 50% 100%);
  opacity: 0.86;
}

.hero-copy,
.hero-panel,
.section-heading,
.final-cta > div {
  min-width: 0;
}

.hero h1,
.section-heading h2,
.final-cta h2 {
  margin: 0;
  color: var(--text);
  font-weight: 820;
  letter-spacing: 0;
  line-height: 1.02;
}

.hero h1 {
  max-width: 780px;
  font-size: clamp(3.25rem, 6.6vw, 6.75rem);
  text-shadow: 0 18px 42px rgba(0, 0, 0, 0.42);
}

.hero h1 span {
  display: block;
}

.hero-lead {
  max-width: 640px;
  margin: 22px 0 0;
  color: #dce8f2;
  font-size: clamp(1.08rem, 1.55vw, 1.45rem);
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--yellow);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  max-width: 720px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  min-height: 54px;
  padding: 12px 14px;
  border: 1px solid rgba(142, 176, 207, 0.2);
  border-radius: 8px;
  background: rgba(8, 13, 20, 0.68);
  color: #dce7ef;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
  overflow-wrap: break-word;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 12px 18px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--text);
  font-weight: 760;
  text-decoration: none;
}

.button.primary {
  background: linear-gradient(135deg, var(--blue), #1469db 55%, var(--yellow));
  border-color: rgba(255, 212, 59, 0.55);
  color: #04101c;
  box-shadow: 0 18px 46px rgba(56, 168, 255, 0.24);
}

.button.secondary {
  background: rgba(7, 11, 17, 0.72);
  border-color: rgba(255, 212, 59, 0.38);
  color: #f7fbff;
}

.hero-panel {
  position: relative;
  z-index: 1;
  display: grid;
  width: min(680px, 100%);
  gap: 14px;
  margin-top: 34px;
}

.hero-image {
  display: none;
}

.spectrum-card {
  border: 1px solid rgba(142, 176, 207, 0.22);
  border-radius: 8px;
  background:
    linear-gradient(rgba(56, 168, 255, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(56, 168, 255, 0.055) 1px, transparent 1px),
    linear-gradient(180deg, rgba(16, 24, 34, 0.92), rgba(7, 11, 17, 0.94));
  background-size: 22px 22px;
  box-shadow:
    inset 0 0 0 1px rgba(244, 248, 251, 0.035),
    0 24px 70px rgba(0, 0, 0, 0.24);
}

.spectrum-card.compact {
  padding: 18px;
}

.spectrum-card.large {
  padding: 24px;
}

.spectrum-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 16px;
  color: var(--muted);
}

.spectrum-head strong {
  color: var(--text);
}

.spectrum-axis {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: #8798a8;
  font-size: 0.76rem;
}

.spectrum-axis.major {
  margin-bottom: 18px;
}

.spectrum-line,
.track {
  position: relative;
  height: 16px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02)),
    rgba(244, 248, 251, 0.055);
  border-radius: 999px;
}

.hero-line {
  height: 18px;
  margin-top: 8px;
}

.coverage.full,
.segment.full {
  inset-inline: 0;
}

.coverage,
.segment {
  position: absolute;
  top: 0;
  bottom: 0;
  left: var(--start, 0);
  right: calc(100% - var(--end, 100%));
  border-radius: 999px;
  background: linear-gradient(90deg, var(--blue), #53c7ff 44%, var(--yellow));
  box-shadow:
    0 0 22px rgba(56, 168, 255, 0.34),
    0 0 18px rgba(255, 212, 59, 0.16);
}

.coverage-grid {
  display: grid;
  gap: 14px;
}

.coverage-row {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  align-items: center;
  gap: 16px;
}

.row-label {
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 720;
}

.coverage-row.ours .row-label {
  color: var(--text);
}

.coverage-row.ours .track {
  height: 22px;
}

.coverage-row:not(.ours) .segment {
  background: linear-gradient(90deg, rgba(255, 212, 59, 0.88), rgba(142, 176, 207, 0.7));
  box-shadow: 0 0 16px rgba(255, 212, 59, 0.14);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 30px;
}

.section-heading h2,
.final-cta h2 {
  font-size: clamp(2rem, 4vw, 4.2rem);
}

.section-heading p:not(.eyebrow),
.final-cta p:not(.eyebrow) {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 1.03rem;
  overflow-wrap: break-word;
}

.final-cta .contact-meta {
  color: var(--yellow);
  font-weight: 760;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid rgba(142, 176, 207, 0.2);
  border-radius: 8px;
  background: rgba(7, 11, 17, 0.72);
  box-shadow: 0 20px 70px rgba(0, 0, 0, 0.18);
}

.data-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
  overflow-wrap: break-word;
}

.data-table th {
  color: #eaf5ff;
  background: linear-gradient(180deg, rgba(56, 168, 255, 0.13), rgba(255, 212, 59, 0.055));
  font-size: 0.82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.data-table td {
  color: var(--muted);
}

.data-table td:first-child {
  color: var(--text);
  font-weight: 740;
}

.data-table tr:last-child td,
.specs-table tr:last-child th {
  border-bottom: 0;
}

.comparison-table {
  min-width: 980px;
}

.status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 4px 9px;
  border: 1px solid currentColor;
  font-size: 0.84rem;
  font-weight: 760;
}

.status.yes {
  color: #7bdcff;
  background: rgba(56, 168, 255, 0.1);
}

.status.partial {
  color: var(--yellow);
  background: rgba(255, 212, 59, 0.1);
}

.status.no {
  color: var(--danger);
  background: rgba(185, 109, 83, 0.08);
}

.card-grid {
  display: grid;
  gap: 14px;
}

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

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

.info-card {
  min-height: 168px;
  padding: 18px;
  border: 1px solid rgba(142, 176, 207, 0.18);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(16, 24, 34, 0.88), rgba(7, 11, 17, 0.9)),
    var(--panel);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.035);
}

.info-card h3 {
  margin: 0 0 12px;
  color: var(--text);
  font-size: 1.08rem;
}

.info-card p {
  margin: 0;
  color: var(--muted);
  overflow-wrap: break-word;
}

.note {
  margin: 18px 0 0;
  padding: 16px;
  border-left: 3px solid var(--yellow);
  border-radius: 0 8px 8px 0;
  background: linear-gradient(90deg, rgba(255, 212, 59, 0.11), rgba(56, 168, 255, 0.04));
  color: #e5edf5;
}

.feature-list,
.use-cases {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.feature-list span,
.use-cases span {
  padding: 10px 12px;
  border: 1px solid rgba(142, 176, 207, 0.2);
  border-radius: 999px;
  background: rgba(8, 13, 20, 0.82);
  color: #dce7ef;
  font-weight: 680;
}

.flow {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}

.flow span {
  position: relative;
  min-height: 92px;
  display: flex;
  align-items: center;
  padding: 18px;
  border: 1px solid rgba(255, 212, 59, 0.28);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(56, 168, 255, 0.11), rgba(255, 212, 59, 0.05)),
    rgba(8, 13, 20, 0.86);
  color: var(--text);
  font-weight: 760;
}

.flow span:not(:last-child)::after {
  position: absolute;
  top: 50%;
  right: -13px;
  z-index: 2;
  content: ">";
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  transform: translateY(-50%);
  border: 1px solid rgba(255, 212, 59, 0.42);
  border-radius: 50%;
  background: var(--panel);
  color: var(--yellow);
}

.proof-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
}

.proof-grid article {
  min-height: 150px;
  padding: 16px;
  border: 1px dashed rgba(255, 212, 59, 0.34);
  border-radius: 8px;
  background: rgba(7, 11, 17, 0.68);
}

.proof-grid strong,
.proof-grid span {
  display: block;
}

.proof-grid strong {
  color: var(--yellow);
  font-size: 0.92rem;
}

.proof-grid span {
  margin-top: 12px;
  color: var(--muted);
}

.specs-table {
  min-width: 680px;
}

.specs-table th {
  width: 260px;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

details {
  border: 1px solid rgba(142, 176, 207, 0.2);
  border-radius: 8px;
  background: rgba(7, 11, 17, 0.78);
}

summary {
  cursor: pointer;
  min-height: 62px;
  padding: 16px;
  color: var(--text);
  font-weight: 760;
  list-style-position: outside;
}

details p {
  margin: 0;
  padding: 0 16px 16px;
  color: var(--muted);
}

.final-cta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
  margin-block: 76px 36px;
  padding: 34px;
  border: 1px solid rgba(255, 212, 59, 0.36);
  border-radius: 8px;
  background:
    linear-gradient(100deg, rgba(56, 168, 255, 0.2), rgba(255, 212, 59, 0.12) 48%, rgba(7, 11, 17, 0.9)),
    var(--panel);
  box-shadow: 0 26px 90px rgba(0, 0, 0, 0.24);
}

.final-cta .cta-row {
  margin: 0;
  justify-content: flex-end;
}

@media (max-width: 980px) {
  .site-header {
    align-items: flex-start;
  }

  .nav-links {
    max-width: 62vw;
    overflow-x: auto;
  }

  .hero {
    min-height: auto;
    padding-top: 42px;
  }

  .hero-points,
  .card-grid.four,
  .card-grid.three,
  .faq-grid,
  .proof-grid,
  .flow,
  .final-cta {
    grid-template-columns: 1fr 1fr;
  }

  .final-cta .cta-row {
    justify-content: flex-start;
  }
}

@media (max-width: 700px) {
  .site-header {
    position: static;
    width: min(var(--max), calc(100% - 24px));
  }

  .brand > .brand-text {
    display: none;
  }

  .nav-links {
    max-width: calc(100vw - 76px);
  }

  .section,
  .hero,
  .final-cta {
    width: min(var(--max), calc(100% - 24px));
  }

  .section {
    padding: 54px 0;
  }

  .hero {
    gap: 28px;
    padding-bottom: 48px;
  }

  .hero h1 {
    font-size: 2.52rem;
  }

  .hero-copy,
  .hero-panel,
  .hero-lead,
  .hero-points,
  .hero-points li {
    max-width: calc(100vw - 24px);
  }

  .hero-points,
  .card-grid.four,
  .card-grid.three,
  .faq-grid,
  .proof-grid,
  .flow,
  .final-cta {
    grid-template-columns: 1fr;
  }

  .coverage-row {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .spectrum-card.large,
  .spectrum-card.compact,
  .final-cta {
    padding: 16px;
  }

  .spectrum-axis {
    font-size: 0.68rem;
  }

  .flow span:not(:last-child)::after {
    top: auto;
    right: 50%;
    bottom: -13px;
    transform: translateX(50%) rotate(90deg);
  }

  .button {
    width: 100%;
  }
}

@media (max-width: 420px) {
  .hero h1 {
    font-size: 2.12rem;
  }

  .section-heading h2,
  .final-cta h2 {
    font-size: 1.86rem;
  }

  .hero-lead,
  .section-heading p:not(.eyebrow),
  .final-cta p:not(.eyebrow) {
    font-size: 0.98rem;
  }

  .nav-links a {
    padding-inline: 8px;
    font-size: 0.78rem;
  }
}
