:root {
  color-scheme: dark;
  --background: #0e1118;
  --surface: #151a24;
  --surface-raised: #1b2130;
  --border: #2b3342;
  --text: #eef0f5;
  --muted: #9299a8;
  --purple: #8878b5;
  --lavender: #a99bcb;
  --green: #42ba77;
  --container: 1320px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(circle at 73% 33%, rgba(98, 84, 139, 0.09), transparent 31rem),
    var(--background);
  color: var(--text);
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  line-height: 1.5;
}

a { color: inherit; }

.container {
  width: min(var(--container), calc(100% - 80px));
  margin-inline: auto;
}

.site-header {
  position: relative;
  z-index: 10;
  border-bottom: 1px solid rgba(146, 153, 168, 0.18);
}

.header-inner {
  min-height: 88px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 48px;
}

.logo {
  width: max-content;
  font-size: 25px;
  font-weight: 650;
  letter-spacing: -0.04em;
  text-decoration: none;
}

.desktop-nav { display: flex; gap: 48px; }

.desktop-nav a,
.header-contact {
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: color 180ms ease;
}

.desktop-nav a:hover,
.desktop-nav a:focus-visible,
.header-contact:hover,
.header-contact:focus-visible { color: var(--text); }

.header-contact { justify-self: end; }

.hero {
  min-height: calc(100vh - 89px);
  padding: 64px 0 72px;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.83fr) minmax(620px, 1.17fr);
  align-items: center;
  gap: 68px;
}

.hero-copy { padding: 28px 0; }

.eyebrow,
.panel-label,
.panel-title,
.recording,
.severity,
.score span,
.section-number {
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.eyebrow {
  width: max-content;
  margin: 0 0 38px;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--lavender);
  font-size: 12px;
  font-weight: 650;
}

.eyebrow span {
  width: 8px;
  height: 8px;
  margin-right: 8px;
  display: inline-block;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 13px rgba(136, 120, 181, 0.55);
}

h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(54px, 5vw, 77px);
  font-weight: 660;
  line-height: 1.03;
  letter-spacing: -0.055em;
}

.hero-description {
  max-width: 500px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: clamp(20px, 1.65vw, 26px);
  line-height: 1.48;
}

.primary-button {
  width: min(100%, 430px);
  min-height: 78px;
  margin-top: 42px;
  padding: 0 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border: 1px solid rgba(198, 184, 231, 0.16);
  border-radius: 8px;
  background: linear-gradient(115deg, #7665a4, #8d7abb);
  box-shadow: 0 18px 45px rgba(79, 62, 118, 0.2);
  color: #fff;
  font-size: 19px;
  font-weight: 600;
  text-decoration: none;
  transition: transform 180ms ease, filter 180ms ease, box-shadow 180ms ease;
}

.primary-button span { font-size: 32px; font-weight: 300; }

.primary-button:hover,
.primary-button:focus-visible {
  transform: translateY(-2px);
  filter: brightness(1.08);
  box-shadow: 0 22px 52px rgba(79, 62, 118, 0.28);
}

.diagnostic-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(27, 33, 48, 0.92), rgba(17, 22, 32, 0.96));
  box-shadow: 0 30px 70px rgba(0, 0, 0, 0.25);
}

.panel-header {
  min-height: 72px;
  padding: 0 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.panel-title { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 13px; }

.signal-icon {
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border: 1px solid #3d475a;
  border-radius: 6px;
  color: var(--lavender);
  font-size: 24px;
}

.recording {
  padding: 8px 11px;
  border: 1px solid #394256;
  border-radius: 5px;
  color: var(--muted);
  font-size: 11px;
}

.recording span {
  width: 8px;
  height: 8px;
  margin-right: 7px;
  display: inline-block;
  border-radius: 50%;
  background: var(--green);
}

.waveform {
  position: relative;
  height: 104px;
  margin: 0 22px;
  border-bottom: 1px solid var(--border);
}

.waveform::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, transparent 16%, rgba(169, 155, 203, 0.85) 16.2%, transparent 16.45%, transparent 36%, rgba(169, 155, 203, 0.85) 36.2%, transparent 36.45%, transparent 68%, rgba(169, 155, 203, 0.85) 68.2%, transparent 68.45%, transparent 88%, rgba(169, 155, 203, 0.85) 88.2%, transparent 88.45%),
    repeating-linear-gradient(90deg, transparent 0 5px, rgba(126, 139, 161, 0.46) 5px 7px, transparent 7px 11px);
  mask-image: linear-gradient(to bottom, transparent 30%, #000 31% 69%, transparent 70%);
}

.marker {
  position: absolute;
  top: 17px;
  width: 20px;
  height: 20px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: var(--purple);
  color: #fff;
  font-size: 10px;
}

.marker-one { left: calc(16% - 9px); }
.marker-two { left: calc(36% - 9px); }
.marker-three { left: calc(68% - 9px); }
.marker-four { left: calc(88% - 9px); }

.transcript {
  margin: 18px 22px 26px;
  display: flex;
  flex-wrap: wrap;
  border: 1px solid var(--border);
  border-radius: 4px;
}

.transcript span,
.transcript mark {
  padding: 8px 9px;
  border-right: 1px solid var(--border);
  background: transparent;
  color: #bdc3ce;
  font: 11px/1.1 Consolas, monospace;
}

.transcript mark { background: rgba(136, 120, 181, 0.35); color: #ede9f6; }

.panel-label { margin: 0 22px 12px; color: var(--muted); font-size: 11px; }

.issue-list { padding: 0 22px 22px; display: grid; gap: 8px; }

.issue-row {
  min-height: 60px;
  padding: 10px 12px;
  display: grid;
  grid-template-columns: 32px minmax(160px, 1fr) 68px 58px;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: rgba(14, 17, 24, 0.22);
  transition: transform 180ms ease, border-color 180ms ease;
}

.issue-row:hover { transform: translateY(-2px); border-color: #414b61; }

.issue-number {
  width: 25px;
  height: 25px;
  display: grid;
  place-items: center;
  border-radius: 4px;
  background: linear-gradient(135deg, var(--lavender), #705e9f);
  color: #fff;
  font-size: 12px;
}

.issue-row h2 { margin: 0; font-size: 13px; font-weight: 550; }
.issue-row p { margin: 2px 0 0; color: var(--muted); font-size: 10px; }
.severity { color: var(--lavender); font-size: 9px; }
.rating { display: flex; gap: 5px; }
.rating i { width: 7px; height: 7px; border-radius: 50%; background: var(--purple); }
.rating i.off { background: #30384a; }

.score {
  position: relative;
  padding: 20px 22px 24px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 28px;
  border-top: 1px solid var(--border);
}

.score > div:first-child { display: grid; }
.score span { color: var(--muted); font-size: 10px; }
.score strong { color: var(--lavender); font-size: 28px; font-weight: 500; }
.score small { color: var(--muted); font-size: 13px; }
.score-result { text-align: right; display: grid; }
.score-result strong { font-size: 18px; }
.score-bar { grid-column: 1 / -1; height: 7px; border-radius: 999px; background: #262d40; }
.score-bar span { width: 68%; height: 100%; display: block; border-radius: inherit; background: var(--purple); }
.score p { grid-column: 1 / -1; margin: 0; color: var(--muted); font-size: 11px; }

.placeholder-section {
  min-height: 430px;
  padding: 100px 0;
  display: flex;
  align-items: center;
  border-top: 1px solid rgba(146, 153, 168, 0.16);
}

.section-number { color: var(--purple); font-size: 12px; }
.placeholder-section h2 { margin: 8px 0 12px; font-size: clamp(38px, 5vw, 68px); letter-spacing: -0.04em; }
.placeholder-section p:last-child { color: var(--muted); }

footer { padding: 32px 0; border-top: 1px solid var(--border); color: var(--muted); }
footer .container { display: flex; justify-content: space-between; }

:focus-visible { outline: 2px solid var(--lavender); outline-offset: 4px; }

@media (max-width: 1120px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero-copy { max-width: 780px; }
  .diagnostic-panel { max-width: 800px; }
}

@media (max-width: 720px) {
  .container { width: min(100% - 36px, var(--container)); }
  .header-inner { min-height: 72px; grid-template-columns: 1fr auto; }
  .desktop-nav { display: none; }
  .header-contact { font-size: 14px; }
  .hero { padding: 44px 0 60px; }
  .hero-grid { gap: 52px; }
  .eyebrow { margin-bottom: 28px; }
  h1 { font-size: clamp(45px, 13vw, 62px); }
  .hero-description { margin-top: 24px; font-size: 20px; }
  .primary-button { min-height: 68px; margin-top: 32px; font-size: 16px; }
  .diagnostic-panel { margin-inline: -8px; }
  .panel-header { padding: 0 14px; }
  .waveform, .transcript { margin-inline: 14px; }
  .issue-list { padding-inline: 14px; }
  .panel-label { margin-left: 14px; }
  .issue-row { grid-template-columns: 30px 1fr; }
  .severity, .rating { display: none; }
  .score { padding-inline: 14px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; }
}