:root {
  --bg: #0b1116;
  --bg-2: #111a21;
  --surface: #121b24;
  --surface-2: #17232d;
  --card: rgba(255, 255, 255, 0.06);
  --card-strong: rgba(255, 255, 255, 0.1);
  --text: #eaf3f5;
  --muted: #a6bbc0;
  --light-bg: #f4f7f8;
  --light-surface: #ffffff;
  --light-text: #0c141a;
  --light-muted: #56636d;
  --line: rgba(255, 255, 255, 0.12);
  --light-line: rgba(11, 17, 22, 0.08);
  --accent: #35e1e5;
  --accent-2: #8ff6f7;
  --shadow: 0 18px 48px rgba(0, 0, 0, 0.28);
  --radius-lg: 28px;
  --radius-md: 20px;
  --radius-sm: 14px;
  --container: min(1180px, calc(100vw - 40px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

a {
  color: inherit;
  text-decoration: none;
}

.skip-link {
  position: fixed;
  left: 14px;
  top: 14px;
  transform: translateY(-200%);
  background: var(--accent);
  color: #001214;
  padding: 10px 14px;
  border-radius: 999px;
  z-index: 200;
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 14px 0;
  transition: background 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
  border-bottom: 1px solid transparent;
}

.site-header.is-scrolled {
  background: rgba(11, 17, 22, 0.84);
  backdrop-filter: blur(16px);
  border-color: var(--line);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.18);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.brand-logo,
.footer-logo {
  width: 184px;
  height: auto;
  filter: drop-shadow(0 0 16px rgba(53, 225, 229, 0.08));
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.97rem;
  transition: color 0.2s ease, background 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
}

.site-nav .nav-cta {
  color: #031315;
  background: var(--accent);
  font-weight: 700;
}

.site-nav .nav-cta:hover,
.site-nav .nav-cta:focus-visible {
  background: var(--accent-2);
  color: #021214;
}

.nav-toggle {
  display: none;
  width: 48px;
  height: 48px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  padding: 0;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text);
  margin: 0 auto 5px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.nav-toggle span:last-child {
  margin-bottom: 0;
}

.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  align-items: center;
  overflow: clip;
  padding: 120px 0 72px;
  isolation: isolate;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 20% 20%, rgba(53, 225, 229, 0.18), transparent 38%),
    linear-gradient(115deg, rgba(4, 9, 14, 0.92) 8%, rgba(6, 12, 18, 0.72) 42%, rgba(8, 14, 20, 0.42) 75%, rgba(8, 14, 20, 0.86) 100%),
    url("assets/hero-track.webp") center center / cover no-repeat;
  z-index: -2;
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto auto -18% -12%;
  width: 44vw;
  height: 44vw;
  background: radial-gradient(circle, rgba(53, 225, 229, 0.16), transparent 70%);
  filter: blur(10px);
  z-index: -1;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 54px 54px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.4), transparent 84%);
  opacity: 0.2;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.78fr);
  gap: 34px;
  align-items: end;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.86rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.eyebrow::before {
  content: "";
  width: 30px;
  height: 1px;
  background: currentColor;
}

.eyebrow-dark {
  color: #119ba0;
}

.hero h1,
section h2 {
  margin: 0;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.hero h1 {
  font-size: clamp(3rem, 7vw, 5.8rem);
  max-width: 11ch;
  text-wrap: balance;
}

.hero-lead {
  max-width: 680px;
  font-size: clamp(1.06rem, 1.6vw, 1.28rem);
  color: rgba(234, 243, 245, 0.86);
  margin: 22px 0 0;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
  border: 1px solid transparent;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--accent);
  color: #041416;
}

.button-primary:hover,
.button-primary:focus-visible {
  background: var(--accent-2);
}

.button-secondary {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.14);
  color: var(--text);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  background: rgba(255, 255, 255, 0.12);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
  margin-top: 36px;
}

.stat-card,
.glass-card,
.application-card,
.workflow-step,
.benefit-card,
.metric-block,
.contact-card,
.feature-brief,
.bullet-panel,
.workflow-figure,
.detect-card,
.interface-panel,
.tab-button,
.screen-frame,
.case-frame {
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-card {
  border-radius: var(--radius-md);
  padding: 20px 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.04));
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.18);
}

.stat-value {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.03em;
}

.stat-label {
  margin-top: 9px;
  font-size: 0.94rem;
  color: rgba(234, 243, 245, 0.8);
}

.hero-panel {
  display: flex;
  justify-content: flex-end;
}

.glass-card {
  width: min(100%, 420px);
  border-radius: calc(var(--radius-lg) + 2px);
  padding: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.06));
  backdrop-filter: blur(18px);
  box-shadow: var(--shadow);
}

.glass-card h2 {
  font-size: clamp(1.5rem, 2vw, 2rem);
  line-height: 1.08;
  margin-top: 10px;
}

.mini-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.mini-label::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 5px rgba(53, 225, 229, 0.12);
}

.check-list,
.metric-block ul,
.contact-card dl {
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list {
  display: grid;
  gap: 14px;
  margin-top: 22px;
}

.check-list.compact {
  gap: 10px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(53, 225, 229, 0.14);
}

.section {
  padding: clamp(76px, 10vw, 110px) 0;
}

.section-light,
.case-section {
  background: var(--light-bg);
  color: var(--light-text);
}

.section-dark,
.insights-section,
.contact-section {
  background:
    radial-gradient(circle at top right, rgba(53, 225, 229, 0.09), transparent 28%),
    linear-gradient(180deg, var(--bg), var(--bg-2));
}

.section h2 {
  font-size: clamp(2.3rem, 4vw, 4rem);
  text-wrap: balance;
}

.section-intro,
.section-heading p,
.coverage-copy p,
.insights-copy p,
.faces-copy p,
.case-copy p,
.contact-copy p,
.panel-copy p {
  font-size: 1.08rem;
  color: inherit;
  opacity: 0.84;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 58px);
  align-items: center;
}

.section-heading {
  max-width: 780px;
  margin-bottom: 36px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading.centered h2,
.section-heading.centered p {
  margin-inline: auto;
}

.feature-stack {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.feature-brief,
.bullet-panel,
.metric-block,
.contact-card {
  border-radius: var(--radius-md);
  background: var(--light-surface);
  border-color: var(--light-line);
  box-shadow: 0 18px 44px rgba(7, 17, 23, 0.08);
}

.feature-brief {
  padding: 24px;
}

.feature-brief h3,
.bullet-panel h3,
.benefit-card h3,
.application-card h3,
.workflow-step h3,
.metric-block h3,
.contact-card h3,
.detect-copy h3,
.panel-copy h3,
.case-copy h2,
.glass-card h2 {
  margin: 0;
  letter-spacing: -0.02em;
}

.feature-brief h3,
.bullet-panel h3,
.metric-block h3,
.contact-card h3,
.detect-copy h3,
.panel-copy h3 {
  font-size: 1.28rem;
}

.accent-panel {
  background: linear-gradient(180deg, rgba(53, 225, 229, 0.14), rgba(255, 255, 255, 0.92));
}

.detection-collage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.detect-card {
  overflow: hidden;
  border-radius: 22px;
  background: var(--light-surface);
  border-color: var(--light-line);
  box-shadow: 0 22px 44px rgba(11, 17, 22, 0.08);
  transition: transform 0.22s ease, box-shadow 0.22s ease;
}

.detect-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 54px rgba(11, 17, 22, 0.14);
}

.detect-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.detect-copy {
  padding: 18px;
}

.detect-copy p,
.bullet-panel p,
.metric-block li,
.contact-card dd,
.benefit-card p,
.workflow-step p,
.application-card p {
  margin: 10px 0 0;
  color: inherit;
  opacity: 0.82;
}

.application-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 38px;
}

.application-card,
.workflow-step,
.benefit-card,
.interface-panel,
.workflow-figure {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.04));
  border-radius: 24px;
  padding: 26px;
  box-shadow: var(--shadow);
}

.card-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  font-weight: 800;
  color: #021012;
  background: var(--accent);
  margin-bottom: 18px;
}

.coverage-media img {
  border-radius: 28px;
  box-shadow: 0 28px 50px rgba(7, 17, 23, 0.12);
}

.bullet-panels {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.bullet-panel {
  padding: 20px 22px;
}

.benefit-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.benefit-card {
  padding: 22px;
}

.screen-frame {
  border-radius: 24px;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  box-shadow: var(--shadow);
}

.screen-frame.large,
.screen-frame.extra-large,
.case-frame {
  padding: 10px;
}

.screen-frame.portraitish {
  padding: 10px;
  max-width: 560px;
  margin-inline: auto;
}

.screen-frame img,
.case-frame img {
  width: 100%;
  border-radius: 18px;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.workflow-grid.workflow-grid-two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
  margin-inline: auto;
}

.workflow-step {
  position: relative;
  min-height: 240px;
}

.step-dot {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  background: var(--accent);
  color: #031012;
  box-shadow: 0 0 0 10px rgba(53, 225, 229, 0.08);
  margin-bottom: 18px;
}

.workflow-visuals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px;
  margin-top: 30px;
}

.workflow-figure {
  padding: 14px;
}

.workflow-figure img {
  width: 100%;
  border-radius: 16px;
}

.workflow-figure figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.95rem;
}

.divider-photo {
  position: relative;
  min-height: 56svh;
  display: grid;
  padding: 0 0 56px;
  background:
    linear-gradient(180deg, rgba(5, 10, 15, 0.22), rgba(5, 10, 15, 0.72)),
    url("assets/crowd-divider.webp") center center / cover no-repeat;
}

.divider-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 70% 50%, rgba(53, 225, 229, 0.16), transparent 26%),
    linear-gradient(90deg, rgba(11, 17, 22, 0.82), rgba(11, 17, 22, 0.26) 46%, rgba(11, 17, 22, 0.7));
}

.divider-copy {
  position: relative;
  z-index: 1;
  max-width: 680px;
}

.divider-copy h2 {
  font-size: clamp(2.1rem, 4vw, 3.8rem);
  max-width: 10ch;
}

.interface-tabs {
  display: grid;
  gap: 20px;
}

.tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tab-button {
  border-radius: 999px;
  padding: 12px 18px;
  background: var(--light-surface);
  border-color: var(--light-line);
  color: var(--light-muted);
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.tab-button:hover,
.tab-button:focus-visible {
  transform: translateY(-1px);
  color: var(--light-text);
  border-color: rgba(17, 155, 160, 0.32);
}

.tab-button.is-active {
  background: rgba(53, 225, 229, 0.12);
  color: #0b6669;
  border-color: rgba(17, 155, 160, 0.24);
}

.interface-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(300px, 0.75fr);
  gap: 24px;
  background: linear-gradient(180deg, rgba(11, 17, 22, 0.02), rgba(11, 17, 22, 0.05));
  border-color: var(--light-line);
  box-shadow: 0 20px 46px rgba(11, 17, 22, 0.08);
}

.panel-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding-right: 6px;
}

.panel-copy .check-list {
  margin-top: 18px;
}

.case-section {
  background:
    radial-gradient(circle at 20% 20%, rgba(53, 225, 229, 0.08), transparent 26%),
    var(--light-bg);
}

.case-metrics {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.metric-block {
  padding: 22px 24px;
}

.metric-block ul {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.metric-block strong {
  color: var(--light-text);
}

.contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.62fr);
  gap: 24px;
}

.contact-card {
  padding: 26px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(255, 255, 255, 0.05));
  color: var(--text);
  border-color: rgba(255, 255, 255, 0.14);
  box-shadow: var(--shadow);
}

.contact-card dl {
  display: grid;
  gap: 18px;
  margin-top: 20px;
}

.contact-card dt {
  color: var(--accent);
  font-size: 0.84rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.contact-card dd {
  margin: 6px 0 0;
  opacity: 0.92;
}

.contact-card a {
  color: var(--text);
}

.site-footer {
  padding: 26px 0 42px;
  border-top: 1px solid var(--line);
}

.footer-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--muted);
}

.footer-wrap p {
  margin: 0;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .js .reveal,
  .site-header,
  .nav-toggle span,
  .button,
  .detect-card,
  .tab-button,
  .site-nav a {
    transition: none;
  }

  .reveal,
  .js .reveal {
    opacity: 1;
    transform: none;
  }
}

@media (max-width: 1080px) {
  .hero-grid,
  .section-grid,
  .contact-grid,
  .interface-panel {
    grid-template-columns: 1fr;
  }

  .hero-panel {
    justify-content: flex-start;
  }

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

  .workflow-visuals,
  .application-grid,
  .benefit-grid {
    grid-template-columns: 1fr;
  }

  .section h2 {
    max-width: 14ch;
  }
}

@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
  }

  .site-nav {
    position: absolute;
    top: calc(100% + 10px);
    right: 20px;
    width: min(320px, calc(100vw - 40px));
    background: rgba(11, 17, 22, 0.96);
    border: 1px solid var(--line);
    border-radius: 22px;
    padding: 12px;
    box-shadow: var(--shadow);
    flex-direction: column;
    align-items: stretch;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-12px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    width: 100%;
  }

  .hero {
    min-height: auto;
  }

  .hero-stats,
  .detection-collage,
  .workflow-grid {
    grid-template-columns: 1fr;
  }

  .brand-logo,
  .footer-logo {
    width: 156px;
  }

  .footer-wrap {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(1180px, calc(100vw - 24px));
  }

  .hero {
    padding-top: 104px;
  }

  .application-card,
  .workflow-step,
  .benefit-card,
  .interface-panel,
  .feature-brief,
  .bullet-panel,
  .metric-block,
  .contact-card,
  .glass-card {
    padding: 20px;
  }

  .hero h1 {
    max-width: 10ch;
  }

  .section-heading,
  .section-heading.centered {
    text-align: left;
    margin-inline: 0;
  }

  .tab-list {
    overflow-x: auto;
    padding-bottom: 4px;
    flex-wrap: nowrap;
    scrollbar-width: none;
  }

  .tab-list::-webkit-scrollbar {
    display: none;
  }
}


.contact-role {
  margin: 10px 0 0;
  color: var(--accent-2);
  font-weight: 700;
  letter-spacing: 0.01em;
}