:root {
  --ink: #12100d;
  --muted: #607086;
  --paper: #f4f7fb;
  --sand: #e6eef8;
  --line: rgba(18, 16, 13, 0.16);
  --accent: #155fd6;
  --gold: #59a7ff;
  --deep: #071a33;
  --white: #ffffff;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

.icon-sprite {
  height: 0;
  overflow: hidden;
  position: absolute;
  width: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

section {
  scroll-margin-top: 78px;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  align-items: center;
  color: var(--white);
  display: grid;
  gap: 22px;
  grid-template-columns: auto 1fr auto;
  left: 0;
  padding: 24px 38px;
  position: fixed;
  right: 0;
  top: 0;
  transition: background 220ms ease, color 220ms ease, padding 220ms ease, border-color 220ms ease;
  z-index: 10;
}

.site-header.is-scrolled {
  background: rgba(246, 241, 232, 0.94);
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  padding-block: 14px;
  backdrop-filter: blur(18px);
}

.brand {
  align-items: baseline;
  display: inline-flex;
  gap: 10px;
  letter-spacing: 0;
  text-transform: uppercase;
  white-space: nowrap;
}

.brand span {
  font-size: 29px;
  font-weight: 950;
  line-height: 1;
}

.brand strong {
  font-size: 14px;
  font-weight: 800;
}

nav {
  display: flex;
  gap: 18px;
  justify-content: center;
}

nav a {
  align-items: center;
  display: inline-flex;
  font-size: 13px;
  font-weight: 800;
  gap: 7px;
  opacity: 0.9;
  transition: color 180ms ease, opacity 180ms ease, transform 180ms ease;
}

nav a:hover {
  opacity: 1;
  transform: translateY(-1px);
}

nav svg {
  fill: none;
  height: 17px;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.9;
  width: 17px;
}

.language-switcher {
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(7, 26, 51, 0.32);
  border-radius: 999px;
  display: flex;
  box-shadow: 0 10px 30px rgba(7, 26, 51, 0.12);
  padding: 3px;
}

.lang {
  background: transparent;
  border: 0;
  border-radius: 999px;
  color: var(--deep);
  cursor: pointer;
  font-size: 12px;
  font-weight: 850;
  min-height: 30px;
  min-width: 34px;
  transition: background 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang.is-active {
  background: var(--accent);
  color: var(--white);
}

.site-header.is-scrolled .lang.is-active {
  color: var(--white);
}

.hero {
  min-height: 98svh;
  overflow: hidden;
  position: relative;
}

.hero-media {
  background:
    linear-gradient(90deg, rgba(5, 18, 38, 0.92), rgba(5, 18, 38, 0.52) 45%, rgba(5, 18, 38, 0.08)),
    url("https://images.unsplash.com/photo-1522202176988-66273c2fd55f?auto=format&fit=crop&w=2400&q=82") center / cover;
  inset: 0;
  position: absolute;
  transform: scale(1.03);
}

.hero-shade {
  background:
    radial-gradient(circle at 15% 25%, rgba(89, 167, 255, 0.3), transparent 24%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.04), rgba(0, 0, 0, 0.48));
  inset: 0;
  position: absolute;
}

.hero-content {
  color: var(--white);
  max-width: 960px;
  padding: 22svh 38px 130px;
  position: relative;
  z-index: 1;
}

.eyebrow,
.section-kicker {
  color: var(--gold);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.14em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

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

h1 {
  font-size: clamp(68px, 14vw, 168px);
  letter-spacing: 0;
  line-height: 0.86;
  margin-bottom: 30px;
}

h1 span {
  display: block;
  font-size: clamp(32px, 5vw, 74px);
  font-weight: 750;
  margin-top: 18px;
}

h2 {
  font-size: clamp(36px, 6vw, 82px);
  letter-spacing: 0;
  line-height: 0.96;
  margin-bottom: 28px;
}

h3 {
  font-size: clamp(22px, 2.6vw, 34px);
  letter-spacing: 0;
  line-height: 1.02;
  margin-bottom: 16px;
}

.hero-copy {
  font-size: clamp(20px, 2.4vw, 31px);
  line-height: 1.24;
  max-width: 720px;
}

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

.button {
  align-items: center;
  border-radius: 999px;
  display: inline-flex;
  font-size: 14px;
  font-weight: 900;
  justify-content: center;
  min-height: 50px;
  padding: 0 23px;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease;
}

.button:hover,
.lang:hover {
  transform: translateY(-2px);
}

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

.button.secondary {
  border: 1px solid rgba(255, 255, 255, 0.7);
  color: var(--white);
}

.hero-note {
  bottom: 36px;
  color: var(--white);
  max-width: 440px;
  position: absolute;
  right: 38px;
  z-index: 1;
}

.hero-note p {
  border-left: 2px solid var(--gold);
  font-size: 16px;
  line-height: 1.45;
  margin: 0;
  padding-left: 18px;
}

.intro,
.companies,
.challenges,
.presence,
.contact {
  padding: 112px 38px;
}

.intro {
  display: grid;
  gap: 38px;
  grid-template-columns: 0.42fr 1fr;
}

.intro-copy {
  max-width: 1120px;
}

.intro-copy p,
.presence-copy p,
.contact-copy p {
  color: var(--muted);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.48;
  max-width: 840px;
}

.intro-lines {
  border-top: 1px solid var(--line);
  display: grid;
  grid-column: 2;
  grid-template-columns: repeat(3, 1fr);
}

.intro-lines span {
  border-bottom: 1px solid var(--line);
  color: var(--accent);
  font-size: clamp(22px, 3vw, 42px);
  font-weight: 850;
  line-height: 1;
  min-height: 132px;
  padding: 26px 24px 20px 0;
}

.companies {
  background: var(--deep);
  color: var(--white);
}

.companies-head {
  max-width: 1120px;
}

.companies-head h2 {
  font-size: clamp(38px, 5vw, 66px);
  max-width: 1060px;
}

.companies-head p:not(.eyebrow) {
  color: rgba(255, 255, 255, 0.7);
  font-size: clamp(18px, 2vw, 24px);
  line-height: 1.45;
  max-width: 820px;
}

.ecosystem {
  display: grid;
  gap: 56px;
  margin-top: 54px;
}

.partner-group {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  gap: 34px;
  grid-template-columns: minmax(220px, 0.32fr) 1fr;
  padding-top: 28px;
}

.partner-label span {
  color: var(--gold);
  display: block;
  font-weight: 900;
  margin-bottom: 12px;
  text-transform: uppercase;
}

.partner-label p {
  color: rgba(255, 255, 255, 0.62);
  font-size: 16px;
  line-height: 1.45;
  margin: 0;
}

.logo-wall {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.logo-wall.strategic {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.logo-card {
  border-left: 1px solid rgba(255, 255, 255, 0.16);
  min-height: 230px;
  padding: 24px 20px;
}

.logo-card.is-featured {
  background: rgba(89, 167, 255, 0.1);
}

.logo-mark {
  align-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 999px;
  color: var(--white);
  display: inline-flex;
  font-size: 13px;
  font-weight: 950;
  height: 48px;
  justify-content: center;
  letter-spacing: 0.04em;
  margin-bottom: 42px;
  min-width: 48px;
  padding: 0 13px;
}

.logo-mark.zh {
  font-size: 16px;
  letter-spacing: 0;
}

.logo-card h3 {
  font-size: clamp(19px, 2vw, 28px);
  margin-bottom: 12px;
}

.logo-card h3 small {
  color: rgba(255, 255, 255, 0.58);
  display: block;
  font-size: 0.58em;
  font-weight: 800;
  line-height: 1.2;
  margin-top: 8px;
}

.logo-card p,
.challenge p,
.solutions-copy dd {
  color: rgba(255, 255, 255, 0.68);
  font-size: 17px;
  line-height: 1.48;
}

.capability-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.capability-cloud span {
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  color: rgba(255, 255, 255, 0.78);
  font-size: 15px;
  font-weight: 800;
  padding: 12px 16px;
}

.solutions {
  background: #0a203d;
  color: var(--white);
  display: grid;
  grid-template-columns: minmax(310px, 0.9fr) minmax(380px, 1fr);
  min-height: 820px;
}

.solutions-image {
  background:
    linear-gradient(180deg, rgba(10, 32, 61, 0.1), rgba(10, 32, 61, 0.55)),
    url("https://images.unsplash.com/photo-1511578314322-379afb476865?auto=format&fit=crop&w=1700&q=82") center / cover;
}

.solutions-copy {
  align-self: center;
  padding: 92px 38px;
}

dl {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  margin: 44px 0 0;
}

dl div {
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  display: grid;
  gap: 24px;
  grid-template-columns: 210px 1fr;
  padding: 24px 0;
}

dt {
  color: var(--gold);
  font-weight: 900;
}

dd {
  margin: 0;
}

.challenges {
  display: grid;
  gap: 38px;
  grid-template-columns: 0.42fr 1fr;
}

.challenge-title {
  max-width: 1050px;
}

.challenge-list {
  border-top: 1px solid var(--line);
  display: grid;
  grid-column: 2;
  grid-template-columns: repeat(3, 1fr);
}

.challenge {
  border-right: 1px solid var(--line);
  min-height: 360px;
  padding: 28px 24px 28px 0;
}

.challenge:last-child {
  border-right: 0;
}

.challenge h3 {
  color: var(--ink);
}

.challenge p {
  color: var(--muted);
}

.presence {
  background: var(--sand);
  display: grid;
  gap: 46px;
  grid-template-columns: minmax(320px, 0.72fr) 1fr;
  overflow: hidden;
}

.presence-map {
  aspect-ratio: 1.75;
  background:
    linear-gradient(135deg, rgba(18, 16, 13, 0.04), rgba(21, 95, 214, 0.12)),
    repeating-linear-gradient(0deg, transparent, transparent 56px, rgba(18, 16, 13, 0.08) 57px),
    repeating-linear-gradient(90deg, transparent, transparent 56px, rgba(18, 16, 13, 0.08) 57px);
  border: 1px solid var(--line);
  position: relative;
}

.place {
  position: absolute;
}

.place::before {
  background: var(--accent);
  border: 4px solid var(--paper);
  border-radius: 999px;
  box-shadow: 0 0 0 1px rgba(18, 16, 13, 0.16);
  content: "";
  display: block;
  height: 15px;
  width: 15px;
}

.place span {
  background: rgba(246, 241, 232, 0.92);
  display: inline-block;
  font-size: 12px;
  font-weight: 850;
  margin-top: 8px;
  padding: 5px 8px;
  white-space: nowrap;
}

.sao-paulo { left: 47%; top: 68%; }
.rio { left: 52%; top: 72%; }
.brasilia { left: 45%; top: 58%; }
.beijing { left: 78%; top: 38%; }
.nanjing { left: 81%; top: 46%; }
.la { left: 13%; top: 43%; }
.france { left: 51%; top: 34%; }

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

.number {
  border-right: 1px solid var(--line);
  min-height: 310px;
  padding: 54px 38px;
}

.number:last-child {
  border-right: 0;
}

.number strong {
  display: block;
  font-size: clamp(72px, 12vw, 138px);
  letter-spacing: 0;
  line-height: 0.88;
}

.number span {
  color: var(--muted);
  display: block;
  font-size: 18px;
  line-height: 1.35;
  margin-top: 22px;
  max-width: 280px;
}

.contact {
  display: grid;
  gap: 54px;
  grid-template-columns: 1fr minmax(320px, 540px);
}

.contact-form {
  display: grid;
  gap: 18px;
}

label {
  color: var(--muted);
  display: grid;
  font-size: 13px;
  font-weight: 850;
  gap: 8px;
  text-transform: uppercase;
}

input,
textarea {
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  color: var(--ink);
  font-size: 18px;
  min-height: 48px;
  outline: 0;
  padding: 8px 0;
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: var(--accent);
}

.contact-form .button {
  border: 0;
  cursor: pointer;
  justify-self: start;
  margin-top: 12px;
}

.site-footer {
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 14px;
  gap: 18px;
  justify-content: space-between;
  padding: 30px 38px;
}

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 720ms ease, transform 720ms ease;
}

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

@media (max-width: 1080px) {
  .logo-wall,
  .logo-wall.strategic {
    grid-template-columns: repeat(2, 1fr);
  }

  .logo-card {
    border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  }
}

@media (max-width: 900px) {
  .site-header {
    grid-template-columns: 1fr auto;
    padding: 17px 20px;
  }

  nav {
    display: none;
  }

  .language-switcher {
    max-width: 152px;
  }

  .hero-content {
    padding: 21svh 20px 160px;
  }

  .hero-note {
    bottom: 24px;
    left: 20px;
    right: 20px;
  }

  .intro,
  .companies,
  .challenges,
  .presence,
  .contact {
    padding: 76px 20px;
  }

  .intro,
  .challenges,
  .presence,
  .contact,
  .solutions {
    grid-template-columns: 1fr;
  }

  .intro-lines,
  .challenge-list {
    grid-column: auto;
    grid-template-columns: 1fr;
  }

  .intro-lines span {
    min-height: 84px;
  }

  .partner-group {
    grid-template-columns: 1fr;
  }

  .logo-wall,
  .logo-wall.strategic {
    grid-template-columns: 1fr;
  }

  .logo-card {
    border-left: 0;
    min-height: 210px;
  }

  .logo-mark,
  .challenge span {
    margin-bottom: 34px;
  }

  .solutions {
    min-height: auto;
  }

  .solutions-image {
    min-height: 360px;
  }

  .solutions-copy {
    padding: 70px 20px;
  }

  dl div {
    gap: 8px;
    grid-template-columns: 1fr;
  }

  .challenge {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    min-height: 260px;
  }

  .challenge:last-child {
    border-bottom: 0;
  }

  .presence-map {
    aspect-ratio: 1.05;
  }

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

  .number {
    border-bottom: 1px solid var(--line);
    border-right: 0;
    min-height: 210px;
    padding: 42px 20px;
  }
}

@media (max-width: 540px) {
  .brand strong {
    display: none;
  }

  .lang {
    min-width: 30px;
  }

  h1 {
    font-size: clamp(58px, 18vw, 84px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}