:root {
  --ink: #121826;
  --muted: #617086;
  --soft: #8f9caf;
  --line: #e5eaf1;
  --line-strong: #d9e1ec;
  --accent: #2563eb;
  --accent-deep: #1e4fc3;
  --surface: #f8fafc;
  --surface-raised: #ffffff;
  --radius: 18px;
  --pill: 999px;
  --page: min(1180px, calc(100vw - 64px));
  color-scheme: light;
  font-family: "Avenir Next", Avenir, "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

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

a:focus-visible {
  border-radius: 6px;
  outline: 3px solid rgb(37 99 235 / 28%);
  outline-offset: 5px;
}

.site-header,
.hero,
.company,
.contact,
.site-footer {
  width: var(--page);
  margin-inline: auto;
}

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

.brand,
.primary-action {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 11px;
  font-size: 15px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.brand-mark {
  width: 30px;
  height: 30px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: white;
  background: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.nav-link {
  color: var(--muted);
  font-size: 14px;
  transition: color 180ms ease;
}

.nav-link:hover {
  color: var(--accent);
}

.hero {
  min-height: calc(100dvh - 72px);
  position: relative;
  isolation: isolate;
  display: grid;
  place-items: center;
  align-items: center;
  overflow: hidden;
  padding-block: clamp(72px, 10vh, 112px);
  text-align: center;
}

.hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  width: min(880px, 86vw);
  aspect-ratio: 1.7;
  border-radius: 50%;
  background:
    radial-gradient(circle at 50% 54%, rgb(255 255 255 / 92%) 0 20%, transparent 48%),
    radial-gradient(circle at 50% 50%, rgb(37 99 235 / 14%), transparent 68%);
  filter: blur(6px);
  transform: translateY(8%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(900px, 100%);
  margin-inline: auto;
}

.hero-kicker {
  margin: 0;
  color: var(--accent);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.hero h1 {
  max-width: 900px;
  margin: 26px auto 24px;
  font-size: clamp(58px, 6.4vw, 92px);
  font-weight: 560;
  letter-spacing: -0.067em;
  line-height: 1;
}

.hero-copy {
  max-width: 420px;
  margin: 0 auto 36px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.primary-action {
  min-height: 48px;
  gap: 18px;
  padding: 0 9px 0 20px;
  border-radius: var(--pill);
  color: white;
  background: var(--ink);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
  transition: transform 180ms ease, background 180ms ease;
}

.primary-action:hover {
  background: var(--accent-deep);
  transform: translateY(-2px);
}

.primary-action:active {
  transform: translateY(0) scale(0.98);
}

.action-arrow {
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: var(--ink);
  background: white;
  font-size: 17px;
}

.company {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(280px, 0.65fr);
  align-items: end;
  gap: clamp(48px, 9vw, 140px);
  padding-block: clamp(96px, 12vw, 160px);
  border-top: 1px solid var(--line);
}

.company h2,
.contact h2 {
  margin: 0;
  font-size: clamp(38px, 5vw, 68px);
  font-weight: 520;
  letter-spacing: -0.058em;
  line-height: 1.08;
}

.company-copy {
  max-width: 360px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.contact {
  display: grid;
  grid-template-columns: 0.72fr 1.28fr;
  gap: clamp(48px, 8vw, 128px);
  padding-block: clamp(80px, 10vw, 132px);
  border-top: 1px solid var(--line);
}

.contact h2 {
  margin-top: 0;
  font-size: clamp(32px, 4vw, 52px);
}

.contact-details {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: flex-end;
  gap: 30px;
}

address {
  color: var(--muted);
  font-size: 16px;
  font-style: normal;
  line-height: 1.8;
}

.email-text {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 28px);
  font-weight: 540;
  letter-spacing: -0.025em;
}

#gov-bei {
  color: inherit;
  transition: color 180ms ease;
}

#gov-bei:hover {
  color: var(--accent);
}

.site-footer {
  min-height: 90px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 24px;
  border-top: 1px solid var(--line);
  color: var(--soft);
  font-size: 12px;
}

.site-footer p {
  margin: 0;
}

.footer-copyright {
  text-align: right;
}

@media (prefers-reduced-motion: no-preference) {
  .js [data-reveal] {
    opacity: 0;
    transform: translateY(18px);
    transition:
      opacity 700ms cubic-bezier(0.16, 1, 0.3, 1),
      transform 700ms cubic-bezier(0.16, 1, 0.3, 1);
  }

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

}

@media (max-width: 840px) {
  :root {
    --page: min(100% - 40px, 680px);
  }

  .hero {
    padding-block: 70px 82px;
  }

  .hero h1 {
    font-size: clamp(52px, 13vw, 76px);
  }

  .company,
  .contact {
    grid-template-columns: 1fr;
  }

  .company-copy {
    max-width: 520px;
  }
}

@media (max-width: 720px) {
  :root {
    --page: calc(100% - 40px);
  }

  .site-header {
    padding-inline: 0;
  }

  .brand-name {
    font-size: 14px;
  }

  .hero,
  .company,
  .contact {
    padding-inline: 0;
  }

  .hero {
    min-height: auto;
  }

  .hero h1 {
    font-size: clamp(48px, 15vw, 66px);
    letter-spacing: -0.065em;
  }

  .hero-copy {
    font-size: 16px;
  }

  .company,
  .contact {
    gap: 42px;
    padding-block: 88px;
  }

  .company h2,
  .contact h2 {
    font-size: clamp(36px, 11vw, 50px);
  }

  .desktop-break {
    display: none;
  }

  .email-text,
  #gov-bei {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .site-footer {
    min-height: 116px;
    grid-template-columns: 1fr;
    justify-items: center;
    text-align: center;
    justify-content: center;
    gap: 8px;
  }

  .footer-copyright {
    text-align: center;
  }
}

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

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
}
