:root {
  color-scheme: light;
  --bg: #f7f9fb;
  --paper: #ffffff;
  --ink: #111820;
  --muted: #5c6875;
  --line: #dfe6ec;
  --accent: #00a7c8;
  --accent-dark: #007f98;
  --signal: #f3c74e;
  --graphite: #202a33;
  --shadow: 0 24px 70px rgba(17, 24, 32, 0.12);
  --radius: 8px;
  font-family: Inter, "Segoe UI", "Helvetica Neue", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background: var(--bg);
  color: var(--ink);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 40px;
  border-bottom: 1px solid rgba(223, 230, 236, 0.88);
  background: rgba(247, 249, 251, 0.9);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 18px;
  font-weight: 700;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border: 2px solid var(--graphite);
  border-radius: 4px;
  background:
    linear-gradient(90deg, transparent 43%, var(--accent) 43% 57%, transparent 57%),
    linear-gradient(0deg, transparent 43%, var(--accent) 43% 57%, transparent 57%);
  box-shadow: inset 0 0 0 4px var(--paper);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}

.nav-links a,
.text-link {
  transition: color 160ms ease;
}

.nav-links a:hover,
.text-link:hover {
  color: var(--accent-dark);
}

.header-action,
.primary-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 6px;
  background: var(--graphite);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  transition: transform 160ms ease, background 160ms ease;
}

.header-action:hover,
.primary-button:hover {
  transform: translateY(-1px);
  background: #0c1218;
}

.section-shell {
  width: min(1180px, calc(100% - 48px));
  margin: 0 auto;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(360px, 1fr);
  gap: 34px;
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: 64px 0 44px;
}

.hero-copy h1 {
  max-width: 680px;
  margin: 0;
  font-size: clamp(44px, 5.4vw, 76px);
  line-height: 1.04;
  letter-spacing: 0;
}

.hero-copy p {
  max-width: 560px;
  margin: 26px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  margin-top: 36px;
}

.text-link {
  color: var(--graphite);
  font-size: 14px;
  font-weight: 700;
}

.hero-visual {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
  box-shadow: var(--shadow);
}

.hero-visual::after {
  content: "";
  position: absolute;
  inset: auto 10% 10% auto;
  width: 92px;
  height: 3px;
  background: var(--signal);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 1.18;
  object-fit: cover;
}

.hero-visual figcaption {
  position: absolute;
  left: 22px;
  bottom: 20px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

.positioning {
  padding: 80px 0 96px;
}

.section-heading {
  display: flex;
  align-items: baseline;
  gap: 18px;
  margin-bottom: 34px;
}

.section-index {
  color: var(--accent-dark);
  font-size: 13px;
  font-weight: 800;
}

.section-heading h2,
.contact h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: 0;
}

.positioning-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  border-top: 1px solid var(--line);
}

.positioning-grid article {
  min-height: 220px;
  padding: 30px 30px 28px 0;
  border-bottom: 1px solid var(--line);
}

.positioning-grid article + article {
  padding-left: 30px;
  border-left: 1px solid var(--line);
}

.positioning-grid h3 {
  margin: 0;
  font-size: 22px;
  line-height: 1.2;
}

.positioning-grid p,
.application-list p,
.contact p,
.contact-panel p {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.applications {
  background: var(--graphite);
  color: #fff;
}

.applications-inner {
  padding: 86px 0 96px;
}

.applications .section-index,
.applications .application-list span {
  color: #58d4e6;
}

.application-list {
  display: grid;
  gap: 0;
  border-top: 1px solid rgba(255, 255, 255, 0.18);
}

.application-list article {
  display: grid;
  grid-template-columns: 0.42fr 1fr;
  gap: 32px;
  padding: 28px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.18);
}

.application-list span {
  font-size: 20px;
  font-weight: 800;
}

.application-list p {
  margin: 0;
  color: rgba(255, 255, 255, 0.72);
}

.contact {
  display: grid;
  grid-template-columns: 1fr minmax(320px, 0.72fr);
  gap: 48px;
  align-items: start;
  padding: 86px 0;
}

.contact-panel {
  border-left: 3px solid var(--accent);
  padding-left: 28px;
}

.contact-panel a {
  display: inline-block;
  margin-top: 20px;
  color: var(--accent-dark);
  font-size: 20px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 40px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 1080px) {
  .site-header {
    min-height: 64px;
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .header-action {
    min-height: 38px;
    padding: 0 14px;
  }

  .section-shell {
    width: min(100% - 32px, 640px);
  }

  .hero {
    grid-template-columns: 1fr;
    gap: 36px;
    min-height: auto;
    padding: 48px 0 36px;
  }

  .hero-copy h1 {
    font-size: clamp(38px, 10vw, 58px);
    line-height: 1.05;
  }

  .hero-copy p {
    font-size: 18px;
  }

  .hero-actions {
    flex-wrap: wrap;
  }

  .hero-visual {
    width: 100%;
  }

  .positioning {
    padding: 62px 0 72px;
  }

  .positioning-grid {
    grid-template-columns: 1fr;
  }

  .positioning-grid article,
  .positioning-grid article + article {
    min-height: auto;
    padding: 26px 0;
    border-left: 0;
  }

  .application-list article,
  .contact {
    grid-template-columns: 1fr;
  }

  .applications-inner,
  .contact {
    padding: 66px 0;
  }

  .site-footer {
    flex-direction: column;
    padding: 24px 20px;
  }
}

@media (max-width: 520px) {
  .brand {
    font-size: 16px;
  }

  .header-action {
    font-size: 13px;
  }

  .hero-visual img {
    aspect-ratio: 1;
  }
}