:root {
  --ink: #111817;
  --muted: #5b6661;
  --paper: #f7f6f1;
  --white: #ffffff;
  --line: #d8d6cd;
  --copper: #b45f2a;
  --green: #2f6f5e;
  --gold: #c9963e;
  --charcoal: #202826;
  --shadow: 0 22px 60px rgba(17, 24, 23, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.6;
}

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

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

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: linear-gradient(180deg, rgba(17, 24, 23, 0.82), rgba(17, 24, 23, 0.2));
}

.site-header.solid {
  background: rgba(17, 24, 23, 0.96);
  box-shadow: 0 12px 36px rgba(17, 24, 23, 0.14);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: rgba(255, 255, 255, 0.1);
  font-weight: 800;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  font-size: 16px;
  line-height: 1.15;
}

.brand small {
  margin-top: 2px;
  color: rgba(255, 255, 255, 0.72);
  font-size: 12px;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 14px;
}

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  padding: 3px;
  border: 1px solid rgba(255, 255, 255, 0.36);
}

.lang-toggle button {
  min-width: 42px;
  padding: 6px 9px;
  color: rgba(255, 255, 255, 0.72);
  background: transparent;
  border: 0;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.lang-toggle button.active {
  color: var(--ink);
  background: var(--white);
}

.nav a:hover,
.nav .active {
  color: var(--white);
}

.nav .active {
  border-bottom: 1px solid var(--gold);
}

.nav-cta {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.nav-cta.active {
  border-color: var(--gold);
}

.hero {
  position: relative;
  min-height: 760px;
  display: grid;
  align-items: end;
  overflow: hidden;
  color: var(--white);
}

.hero-image,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(17, 24, 23, 0.88), rgba(17, 24, 23, 0.46), rgba(17, 24, 23, 0.16)),
    linear-gradient(0deg, rgba(17, 24, 23, 0.82), rgba(17, 24, 23, 0.02));
}

.hero-content {
  position: relative;
  width: min(940px, calc(100% - 40px));
  padding: 160px 0 92px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--copper);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #f0b15e;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  max-width: 880px;
  margin-bottom: 22px;
  font-size: clamp(46px, 7vw, 84px);
  line-height: 1.04;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 20px;
  font-size: clamp(32px, 4vw, 54px);
  line-height: 1.12;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 24px;
  line-height: 1.2;
}

.hero-subtitle {
  max-width: 660px;
  margin-bottom: 34px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 22px;
}

.hero-actions,
.button {
  display: flex;
  align-items: center;
}

.hero-actions {
  gap: 14px;
  flex-wrap: wrap;
}

.button {
  min-height: 48px;
  justify-content: center;
  padding: 13px 20px;
  font-weight: 750;
}

.button.primary {
  color: var(--white);
  background: var(--copper);
}

.button.secondary {
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.46);
}

.text-link {
  display: inline-flex;
  margin-top: 10px;
  color: var(--green);
  font-weight: 800;
  border-bottom: 1px solid var(--green);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  width: min(1120px, calc(100% - 40px));
  margin: -56px auto 0;
  position: relative;
  z-index: 2;
  background: var(--line);
  box-shadow: var(--shadow);
}

.metrics article {
  min-height: 134px;
  padding: 28px;
  background: var(--white);
}

.metrics strong {
  display: block;
  color: var(--green);
  font-size: 38px;
  line-height: 1;
}

.metrics span {
  display: block;
  margin-top: 12px;
  color: var(--muted);
  font-size: 15px;
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 108px 0;
}

.split,
.two-column,
.network-page {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(340px, 0.82fr);
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

.section-copy p,
.network-copy p,
.contact-page p,
.prose p {
  color: var(--muted);
  font-size: 18px;
}

.image-panel {
  min-height: 520px;
  overflow: hidden;
  box-shadow: var(--shadow);
}

.image-panel img {
  width: 100%;
  height: 100%;
  min-height: 520px;
  object-fit: cover;
}

.section-heading {
  max-width: 850px;
  margin-bottom: 42px;
}

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

.business-card {
  display: grid;
  grid-template-rows: 220px 1fr;
  background: var(--white);
  border: 1px solid var(--line);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.business-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.business-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
}

.business-card div {
  padding: 28px;
}

.business-card p,
.business-card li,
.value-grid p,
.fact-grid p,
.process-grid p {
  color: var(--muted);
}

.business-card ul {
  padding-left: 18px;
  margin: 18px 0 0;
}

.cta-band {
  width: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: center;
  padding: 86px max(20px, calc((100vw - 1120px) / 2));
  color: var(--white);
  background:
    linear-gradient(90deg, rgba(17, 24, 23, 0.92), rgba(17, 24, 23, 0.62)),
    url("e1b6a33fd10ffb26ba08e1580017c1f7.jpg") center / cover;
}

.cta-note {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  color: rgba(255, 255, 255, 0.78);
  font-size: 17px;
}

.cta-note a {
  border-bottom: 1px solid rgba(255, 255, 255, 0.42);
}

.page-main {
  padding-top: 78px;
}

.page-hero {
  position: relative;
  min-height: 540px;
  display: grid;
  align-items: end;
  color: var(--white);
  overflow: hidden;
}

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

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(17, 24, 23, 0.9), rgba(17, 24, 23, 0.38));
}

.page-hero > div {
  position: relative;
  z-index: 1;
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 90px 0;
}

.page-hero p {
  max-width: 690px;
  color: rgba(255, 255, 255, 0.8);
  font-size: 20px;
}

.page-title {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 100px 0 42px;
}

.page-title h1 {
  color: var(--ink);
}

.fact-grid,
.process-grid,
.value-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
}

.process-grid {
  grid-template-columns: repeat(4, 1fr);
}

.fact-grid article,
.process-grid article,
.value-grid article {
  padding: 34px;
  background: var(--white);
}

.fact-grid span,
.process-grid span,
.value-grid span {
  display: block;
  margin-bottom: 34px;
  color: var(--gold);
  font-weight: 800;
}

.business-detail {
  width: min(1120px, calc(100% - 40px));
  display: grid;
  grid-template-columns: 0.95fr 1fr;
  gap: 54px;
  align-items: center;
  margin: 0 auto;
  padding: 76px 0;
  border-top: 1px solid var(--line);
}

.business-detail.reverse img {
  order: 2;
}

.business-detail img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  box-shadow: var(--shadow);
}

.business-detail p,
.business-detail li {
  color: var(--muted);
  font-size: 17px;
}

.business-detail ul {
  margin: 22px 0 0;
  padding-left: 20px;
}

.network-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.network-list span {
  padding: 11px 14px;
  color: var(--green);
  background: var(--white);
  border: 1px solid var(--line);
  font-weight: 750;
}

.network-list.large span {
  padding: 16px 18px;
  font-size: 18px;
}

.contact-page {
  width: min(1120px, calc(100% - 40px));
  min-height: calc(100vh - 176px);
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 56px;
  align-items: center;
  margin: 0 auto;
  padding: 100px 0;
}

.contact-panel {
  padding: 36px;
  color: var(--white);
  background: var(--charcoal);
}

.contact-panel h2 {
  font-size: 32px;
}

.contact-panel dt {
  margin-top: 22px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  text-transform: uppercase;
}

.contact-panel dd {
  margin: 4px 0 0;
  font-size: 18px;
}

.contact-panel a {
  color: var(--white);
  border-bottom: 1px solid rgba(255, 255, 255, 0.38);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 30px clamp(20px, 5vw, 72px);
  color: rgba(255, 255, 255, 0.72);
  background: var(--ink);
  font-size: 14px;
}

@media (max-width: 980px) {
  .site-header {
    position: absolute;
    min-height: 150px;
    align-items: flex-start;
    flex-wrap: wrap;
    padding: 22px 20px 16px;
    background: linear-gradient(180deg, rgba(17, 24, 23, 0.96), rgba(17, 24, 23, 0.78));
  }

  .brand {
    min-width: 0;
    padding-right: 132px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
  }

  .nav {
    width: 100%;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-start;
    gap: 18px;
    padding-top: 18px;
    overflow-x: auto;
    overflow-y: hidden;
    color: rgba(255, 255, 255, 0.74);
    font-size: 15px;
    scrollbar-width: none;
  }

  .nav::-webkit-scrollbar {
    display: none;
  }

  .nav a {
    flex: 0 0 auto;
    padding: 4px 0 8px;
  }

  .nav-cta {
    padding: 4px 0 8px;
    border: 0;
  }

  .nav-cta.active {
    border-color: transparent;
  }

  .lang-toggle {
    position: absolute;
    top: 24px;
    right: 20px;
    gap: 0;
    padding: 3px;
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18);
    backdrop-filter: blur(12px);
  }

  .lang-toggle button {
    min-width: 38px;
    padding: 8px 10px;
    border-radius: 999px;
    color: rgba(255, 255, 255, 0.66);
    font-size: 12px;
  }

  .lang-toggle button.active {
    color: var(--ink);
    background: rgba(255, 255, 255, 0.96);
  }

  .hero {
    min-height: 720px;
  }

  .metrics,
  .business-grid,
  .value-grid,
  .split,
  .two-column,
  .network-page,
  .business-detail,
  .contact-page,
  .cta-band,
  .fact-grid,
  .process-grid {
    grid-template-columns: 1fr;
  }

  .business-detail.reverse img {
    order: 0;
  }

  .metrics {
    margin-top: 0;
  }

  .contact-page {
    min-height: auto;
  }
}

@media (max-width: 560px) {
  .site-header {
    min-height: 144px;
    padding: 20px 16px 14px;
  }

  .brand {
    padding-right: 124px;
  }

  .brand-mark {
    width: 44px;
    height: 44px;
  }

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

  .brand small {
    font-size: 11px;
  }

  .nav {
    gap: 15px;
    padding-top: 17px;
    font-size: 14px;
  }

  .lang-toggle {
    top: 20px;
    right: 16px;
  }

  .lang-toggle button {
    min-width: 34px;
    padding: 7px 8px;
    font-size: 11px;
  }

  .hero-content,
  .page-hero > div,
  .page-title,
  .section,
  .business-detail,
  .contact-page {
    width: min(100% - 32px, 1120px);
  }

  .hero-content {
    padding-bottom: 58px;
  }

  h1 {
    font-size: 42px;
  }

  h2 {
    font-size: 31px;
  }

  .hero-subtitle,
  .section-copy p,
  .network-copy p,
  .contact-page p,
  .prose p {
    font-size: 16px;
  }

  .metrics {
    width: 100%;
    grid-template-columns: 1fr 1fr;
  }

  .metrics article,
  .fact-grid article,
  .process-grid article,
  .value-grid article {
    padding: 22px;
  }

  .section {
    padding: 72px 0;
  }

  .business-card {
    grid-template-rows: 190px 1fr;
  }

  .business-card img {
    height: 190px;
  }

  .image-panel,
  .image-panel img {
    min-height: 360px;
  }

  .business-detail img {
    height: 300px;
  }

  .site-footer {
    flex-direction: column;
  }
}