:root {
  color-scheme: light;
  --ink: #102033;
  --muted: #5e6f7f;
  --line: #d9e3ea;
  --soft: #f5f8fa;
  --panel: #ffffff;
  --blue: #1769aa;
  --teal: #0d8b8f;
  --green: #4f8b5d;
  --warm: #b9783f;
  --shadow: 0 18px 45px rgba(22, 45, 70, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6;
  background: #ffffff;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  right: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 72px;
  padding: 14px clamp(20px, 5vw, 72px);
  border-bottom: 1px solid rgba(16, 32, 51, 0.08);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  font-weight: 700;
}

.brand-mark {
  display: grid;
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid rgba(23, 105, 170, 0.22);
  border-radius: 8px;
  color: #ffffff;
  background: var(--blue);
  font-size: 20px;
}

.brand-text {
  overflow: hidden;
  max-width: 18em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: clamp(16px, 3vw, 34px);
  color: #33495d;
  font-size: 15px;
}

.nav-links a {
  border-bottom: 2px solid transparent;
  padding: 8px 0;
}

.nav-links a:hover,
.nav-links a:focus-visible {
  border-color: var(--teal);
  color: var(--blue);
}

.hero {
  position: relative;
  min-height: 86vh;
  overflow: hidden;
  display: grid;
  align-items: center;
  padding: 128px clamp(20px, 5vw, 72px) 72px;
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.92) 0%, rgba(255, 255, 255, 0.74) 39%, rgba(255, 255, 255, 0.12) 76%),
    rgba(255, 255, 255, 0.08);
}

.hero-content {
  position: relative;
  width: min(720px, 100%);
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--teal);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  max-width: 12em;
  margin: 0;
  font-size: clamp(42px, 6vw, 72px);
  line-height: 1.08;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 660px;
  margin: 24px 0 0;
  color: #2f465b;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.primary-link,
.secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  border-radius: 8px;
  padding: 0 20px;
  font-weight: 700;
}

.primary-link {
  color: #ffffff;
  background: var(--blue);
  box-shadow: var(--shadow);
}

.secondary-link {
  border: 1px solid rgba(16, 32, 51, 0.18);
  background: rgba(255, 255, 255, 0.72);
}

.primary-link:hover,
.primary-link:focus-visible {
  background: #0e5c99;
}

.secondary-link:hover,
.secondary-link:focus-visible {
  border-color: var(--teal);
  color: var(--blue);
}

.section {
  scroll-margin-top: 92px;
  padding: 78px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 520px;
}

.section h2 {
  margin: 0;
  font-size: clamp(28px, 3.8vw, 44px);
  line-height: 1.2;
  letter-spacing: 0;
}

.intro-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.8fr) minmax(280px, 1.2fr);
  gap: clamp(32px, 7vw, 90px);
  background: #ffffff;
}

.intro-text {
  display: grid;
  gap: 18px;
  color: #42566a;
  font-size: 18px;
}

.intro-text p {
  margin: 0;
}

.services-section {
  background:
    linear-gradient(180deg, #f5f8fa 0%, #eef5f7 100%);
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.service-card {
  min-height: 250px;
  border: 1px solid rgba(16, 32, 51, 0.1);
  border-radius: 8px;
  padding: 26px;
  background: var(--panel);
  box-shadow: 0 12px 28px rgba(21, 52, 77, 0.07);
}

.service-number {
  color: var(--warm);
  font-size: 14px;
  font-weight: 800;
}

.service-card h3 {
  margin: 18px 0 10px;
  font-size: 22px;
  line-height: 1.28;
}

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

.info-section {
  display: grid;
  grid-template-columns: minmax(240px, 0.75fr) minmax(320px, 1.25fr);
  gap: clamp(32px, 7vw, 88px);
  background: #ffffff;
}

.company-info {
  display: grid;
  margin: 0;
  border-top: 1px solid var(--line);
}

.company-info div {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.company-info dt {
  color: var(--muted);
  font-weight: 700;
}

.company-info dd {
  margin: 0;
  font-weight: 700;
}

.company-info a,
.site-footer a {
  color: var(--blue);
}

.company-info a:hover,
.company-info a:focus-visible,
.site-footer a:hover,
.site-footer a:focus-visible {
  text-decoration: underline;
  text-underline-offset: 4px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  padding: 28px 20px;
  border-top: 1px solid var(--line);
  color: #5d6d7c;
  background: var(--soft);
  font-size: 14px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 840px) {
  .site-header {
    position: sticky;
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
    min-height: auto;
  }

  .brand-text {
    max-width: calc(100vw - 100px);
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 10px;
    font-size: 14px;
  }

  .hero {
    min-height: 78vh;
    padding-top: 68px;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.82) 55%, rgba(255, 255, 255, 0.34) 100%),
      rgba(255, 255, 255, 0.08);
  }

  .hero h1 {
    font-size: clamp(34px, 11vw, 52px);
  }

  .intro-section,
  .info-section,
  .service-grid {
    grid-template-columns: 1fr;
  }

  .section {
    padding-top: 58px;
    padding-bottom: 58px;
  }
}

@media (max-width: 520px) {
  .hero {
    min-height: 76vh;
  }

  .hero-actions {
    flex-direction: column;
  }

  .primary-link,
  .secondary-link {
    width: 100%;
  }

  .company-info div {
    grid-template-columns: 1fr;
    gap: 6px;
  }
}