:root {
  color-scheme: light;
  --ink: #101820;
  --muted: #5b6570;
  --line: #d8e1df;
  --paper: #f7f8f5;
  --white: #ffffff;
  --teal: #0f776d;
  --teal-dark: #0a4e49;
  --gold: #c99a4a;
  --coral: #c45444;
  --shadow: 0 18px 55px rgba(21, 32, 37, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family:
    Inter, "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.5;
  letter-spacing: 0;
}

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  color: var(--white);
  transition:
    background 180ms ease,
    box-shadow 180ms ease,
    color 180ms ease;
}

.site-header[data-elevated="true"] {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1px 20px rgba(13, 28, 34, 0.12);
  color: var(--ink);
  backdrop-filter: blur(14px);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid currentColor;
  border-radius: 7px;
  font-weight: 800;
  color: var(--gold);
}

.brand strong,
.brand small {
  display: block;
  line-height: 1.1;
}

.brand strong {
  font-size: 15px;
}

.brand small {
  margin-top: 3px;
  color: currentColor;
  font-size: 11px;
  opacity: 0.78;
}

.nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 3vw, 34px);
  font-size: 14px;
}

.nav a {
  opacity: 0.82;
}

.nav a:hover {
  opacity: 1;
}

.language-switch {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 6px;
  font-size: 13px;
}

.site-header[data-elevated="true"] .language-switch {
  border-color: rgba(16, 24, 32, 0.22);
}

.language-switch a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 42px;
  height: 30px;
  border-radius: 4px;
  color: currentColor;
  opacity: 0.76;
}

.language-switch a[aria-current="page"] {
  background: var(--gold);
  color: #15110a;
  opacity: 1;
  font-weight: 800;
}

.header-action,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  border-radius: 6px;
  font-weight: 700;
  white-space: nowrap;
}

.header-action {
  min-width: 72px;
  padding: 0 17px;
  border: 1px solid currentColor;
}

.hero {
  position: relative;
  min-height: 88vh;
  display: grid;
  align-items: center;
  overflow: hidden;
  isolation: isolate;
  padding: 118px clamp(20px, 6vw, 78px) 72px;
  color: var(--white);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
}

.hero-image {
  z-index: -3;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  z-index: -2;
  background:
    linear-gradient(90deg, rgba(6, 17, 19, 0.9) 0%, rgba(6, 17, 19, 0.74) 36%, rgba(6, 17, 19, 0.24) 72%),
    linear-gradient(180deg, rgba(6, 17, 19, 0.45) 0%, rgba(6, 17, 19, 0.08) 48%, rgba(6, 17, 19, 0.68) 100%);
}

.hero-content {
  width: min(760px, 100%);
  padding-top: 24px;
}

.kicker {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(46px, 8vw, 92px);
  line-height: 0.96;
  letter-spacing: 0;
  overflow-wrap: normal;
  word-break: normal;
}

h1 span {
  display: block;
  white-space: nowrap;
}

.hero-copy {
  max-width: 690px;
  margin: 28px 0 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(17px, 2vw, 22px);
}

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

.button {
  min-width: 154px;
  padding: 0 22px;
}

.button.primary {
  background: var(--gold);
  color: #15110a;
}

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.66);
  color: var(--white);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border-bottom: 1px solid var(--line);
}

.summary-strip div {
  min-height: 116px;
  padding: 26px clamp(20px, 4vw, 54px);
  background: var(--white);
}

.summary-strip span,
.facts dt {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.summary-strip strong,
.facts dd {
  margin: 0;
  font-size: clamp(18px, 2.1vw, 24px);
  line-height: 1.25;
}

.section,
.company-band {
  padding: clamp(62px, 8vw, 104px) clamp(20px, 6vw, 78px);
}

.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 34px;
}

h2 {
  margin: 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.05;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.service-card {
  min-height: 238px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.02);
}

.service-card:nth-child(2n) {
  border-top-color: var(--teal);
}

.service-card:nth-child(3n) {
  border-top-color: var(--coral);
}

.service-card span {
  color: var(--gold);
  font-weight: 800;
}

.service-card h3 {
  margin: 32px 0 12px;
  font-size: 20px;
  line-height: 1.18;
}

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

.company-band {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  gap: clamp(36px, 7vw, 88px);
  background: var(--teal-dark);
  color: var(--white);
}

.company-copy p:not(.kicker) {
  max-width: 700px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 19px;
}

.facts {
  display: grid;
  align-content: start;
  gap: 1px;
  margin: 0;
  background: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow);
}

.facts div {
  padding: 24px;
  background: rgba(255, 255, 255, 0.09);
}

.facts dt {
  color: rgba(255, 255, 255, 0.64);
}

.facts dd {
  color: var(--white);
  font-weight: 700;
}

.contact-section {
  background: var(--white);
}

.contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.65fr);
  gap: 18px;
}

.contact-panel,
.contact-note {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
}

.contact-panel {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 4vw, 42px);
  font-style: normal;
}

.contact-panel strong {
  font-size: clamp(24px, 4vw, 38px);
  line-height: 1.1;
}

.contact-panel span {
  color: var(--muted);
}

.contact-panel a {
  width: fit-content;
  color: var(--teal);
  font-weight: 800;
}

.contact-note {
  display: grid;
  align-items: end;
  padding: clamp(24px, 4vw, 36px);
}

.contact-note p {
  margin: 0;
  color: var(--muted);
  font-size: 18px;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 6vw, 78px);
  background: var(--ink);
  color: rgba(255, 255, 255, 0.72);
  font-size: 14px;
}

@media (max-width: 960px) {
  .nav {
    display: none;
  }

  .hero {
    min-height: 84vh;
  }

  .summary-strip,
  .company-band,
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .company-band {
    gap: 28px;
  }
}

@media (max-width: 620px) {
  .site-header {
    min-height: 66px;
    padding-inline: 14px;
  }

  .brand small {
    display: none;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .header-action {
    display: none;
    min-width: 58px;
    padding-inline: 12px;
  }

  .language-switch {
    margin-left: auto;
  }

  .hero {
    min-height: 86vh;
    padding-inline: 18px;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(6, 17, 19, 0.94) 0%, rgba(6, 17, 19, 0.78) 65%, rgba(6, 17, 19, 0.46) 100%),
      linear-gradient(180deg, rgba(6, 17, 19, 0.26) 0%, rgba(6, 17, 19, 0.72) 100%);
  }

  h1 {
    font-size: clamp(38px, 13vw, 52px);
  }

  .hero-actions {
    display: grid;
  }

  .button {
    width: 100%;
  }

  .section-heading {
    display: block;
  }

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

  .service-card {
    min-height: 190px;
  }

  .site-footer {
    display: grid;
  }
}