:root {
  --bg: #ffffff;
  --surface: #f8fafc;
  --text: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --primary: #2563eb;
  --primary-2: #0ea5e9;
  --shadow: 0 12px 36px rgba(15, 23, 42, .08);
  --container: min(1160px, calc(100% - 32px));
  --radius: 24px;
}

* {
  box-sizing: border-box
}

html {
  scroll-behavior: smooth
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.65
}

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

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

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

.topbar {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, .9)
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 20px
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800
}

.brand img {
  height: 44px
}

.brand small {
  display: block;
  color: var(--muted);
  font-weight: 600
}

.nav-links {
  display: flex;
  gap: 18px;
  align-items: center;
  font-weight: 700;
  color: #334155
}

.nav-links a {
  padding: 10px 12px;
  border-radius: 10px
}

.nav-links a:hover,
.nav-links a.active {
  background: #eff6ff;
  color: #1d4ed8
}

.hero {
  padding: 64px 0 34px;
  background: linear-gradient(180deg, #f8fbff 0%, #ffffff 100%)
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.02fr .98fr;
  gap: 42px;
  align-items: center
}

.eyebrow,
.lead-in {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border-radius: 999px;
  border: 1px solid #dbeafe;
  background: #eff6ff;
  color: #1d4ed8;
  font-weight: 700;
  font-size: .92rem
}

.hero h1 {
  font-size: clamp(2.4rem, 4vw, 4.2rem);
  line-height: 1.03;
  margin: 18px 0;
  letter-spacing: -.03em
}

.hero p {
  font-size: 1.12rem;
  color: var(--muted);
  max-width: 60ch;
  margin: 0 0 20px
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px
}

.point {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: var(--shadow)
}

.point .icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: #eff6ff;
  display: grid;
  place-items: center;
  font-size: 1.15rem
}

.hero-visual img {
  border-radius: 28px;
  border: 1px solid #dbeafe;
  box-shadow: var(--shadow);
  background: #fff
}

.metric-strip {
  padding: 8px 0 12px
}

.metric-wrap {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px
}

.metric-chip {
  padding: 16px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  display: flex;
  align-items: center;
  gap: 12px
}

.metric-chip .badge {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  font-weight: 800
}

.badge--temperature {
  background: #FEF3C7;
  color: #B45309;
}

.badge--humidity {
  background: #DBEAFE;
  color: #1D4ED8;
}

.badge--tvoc {
  background: #DCFCE7;
  color: #15803D;
}

.badge--eco2 {
  background: #EDE9FE;
  color: #7C3AED;
}

.badge--aqi {
  background: #FDE68A;
  color: #B45309;
}

.metric-chip .label {
  font-weight: 800
}

.metric-chip .sub {
  font-size: .92rem;
  color: var(--muted)
}

.section {
  padding: 74px 0
}

.section.alt {
  background: var(--surface)
}

.section-header {
  max-width: 820px;
  margin-bottom: 28px
}

.section-header h2 {
  font-size: clamp(1.8rem, 3vw, 2.6rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 14px 0 12px
}

.section-header p {
  margin: 0;
  color: var(--muted);
  font-size: 1.05rem
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow)
}

.card h3 {
  margin: 14px 0 10px;
  font-size: 1.15rem
}

.card p {
  margin: 0;
  color: var(--muted)
}

.icon-box {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  background: #eff6ff;
  color: #1d4ed8;
  font-size: 1.35rem
}

.pill {
  display: inline-flex;
  align-items: center;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 800;
  font-size: .88rem;
  color: #1d4ed8;
  background: #f8fbff
}

.visual-frame {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 28px;
  padding: 18px;
  box-shadow: var(--shadow)
}

.visual-frame img {
  border-radius: 18px
}

.hero--compact,
.hero--contact {
  padding-bottom: 44px;
}

.hero--compact h1 {
  font-size: clamp(2.2rem, 3.6vw, 3.7rem);
  margin-bottom: 16px;
}

.hero--contact h1 {
  font-size: clamp(2.2rem, 3.6vw, 3.4rem);
  margin-bottom: 14px;
}

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

.hidden {
  display: none !important;
}

.link-accent {
  color: #1d4ed8;
  font-weight: 600;
}

.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 24px
}

.stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow)
}

.stat strong {
  display: block;
  font-size: 2rem;
  line-height: 1;
  margin-bottom: 8px
}

.stat span {
  color: var(--muted)
}

.quick-facts {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 26px
}

.fact {
  background: #fff;
  border: 1px solid var(--line);
  padding: 18px;
  border-radius: 18px;
  box-shadow: var(--shadow)
}

.fact strong {
  display: block;
  font-size: 1.3rem;
  margin-bottom: 6px
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1.18fr .82fr;
  gap: 20px
}

.stack {
  display: grid;
  gap: 20px
}

.screenshot {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  overflow: hidden;
  box-shadow: var(--shadow)
}

.screenshot .caption {
  padding: 16px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: .96rem
}

.quote-band {
  padding: 34px 0;
  background: linear-gradient(90deg, #eff6ff 0%, #f8fafc 100%);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line)
}

.quote-inner {
  display: grid;
  grid-template-columns: 1.35fr .65fr;
  gap: 22px;
  align-items: center
}

.quote-band blockquote {
  margin: 0;
  font-size: 1.38rem;
  line-height: 1.45;
  font-weight: 800
}

.micro {
  color: var(--muted)
}

.list-checks {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 10px
}

.list-checks li {
  display: flex;
  gap: 12px;
  align-items: flex-start
}

.list-checks li::before {
  content: '✓';
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: #dcfce7;
  color: #166534;
  font-weight: 800;
  margin-top: 2px
}

.industry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px
}

.industry-card {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 18px;
  box-shadow: var(--shadow)
}

.industry-card h3 {
  margin: 0 0 10px;
  font-size: 1.28rem
}

.industry-card p {
  margin: 0;
  color: var(--muted)
}

.industry-card ul {
  margin: 12px 0 0;
  padding-left: 18px;
  color: #334155
}

.about-lead {
  font-size: 1.08rem;
  color: var(--muted)
}

.text-columns {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 22px
}

.contact-grid {
  display: grid;
  grid-template-columns: .88fr 1.12fr;
  gap: 26px
}

.contact-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 24px;
  box-shadow: var(--shadow)
}

.contact-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 14px 0;
  border-top: 1px solid var(--line)
}

.contact-item:first-of-type {
  border-top: 0;
  padding-top: 0
}

.contact-item .emoji {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: #eff6ff;
  display: grid;
  place-items: center;
  font-size: 1.2rem
}

.footer {
  padding: 44px 0 30px;
  background: #000;
  color: #cbd5e1;
  margin-top: 56px
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr .8fr .9fr;
  gap: 28px;
  align-items: start
}

.small-brand {
  display: flex;
  align-items: flex-start;
  gap: 16px
}

.small-brand img {
  height: 58px;
  width: auto;
  flex: 0 0 auto
}

.small-brand strong {
  display: block;
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 6px
}

.small-brand span,
.footer-meta {
  color: #94a3b8
}

.footer h4 {
  margin: 0 0 12px;
  color: #fff;
  font-size: 1rem
}

.footer .links {
  display: grid;
  gap: 10px;
  font-weight: 700
}

.footer .links a {
  color: #e2e8f0
}

.footer .links a:hover {
  color: #fff
}

.abn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 999px;
  background: rgba(255, 255, 255, .04);
  color: #fff;
  font-weight: 500;
  width: max-content
}

.footer-bottom {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(255, 255, 255, .1);
  display: flex;
  justify-content: space-between;
  gap: 18px;
  flex-wrap: wrap;
  color: #64748b;
  font-size: .95rem
}

@media (max-width:1080px) {

  .hero-grid,
  .two-col,
  .quote-inner,
  .screenshot-grid,
  .text-columns,
  .contact-grid {
    grid-template-columns: 1fr
  }

  .card-grid {
    grid-template-columns: repeat(2, 1fr)
  }

  .metric-wrap {
    grid-template-columns: repeat(3, 1fr)
  }

  .industry-grid,
  .footer-inner {
    grid-template-columns: 1fr
  }
}

@media (max-width:760px) {
  .nav {
    flex-direction: column;
    align-items: flex-start
  }

  .nav-links {
    flex-wrap: wrap;
    gap: 8px
  }

  .hero {
    padding: 46px 0 24px
  }

  .hero-points,
  .stats,
  .quick-facts,
  .metric-wrap,
  .card-grid {
    grid-template-columns: 1fr
  }

  .industry-card {
    grid-template-columns: 1fr
  }

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