:root {
  color-scheme: light;
  --bg: #ffffff;
  --ink: #0f172a;
  --muted: #526071;
  --line: #d9e2ef;
  --soft: #f4f8fb;
  --blue: #0b57d0;
  --blue-2: #174ea6;
  --teal: #14b8a6;
  --teal-soft: #ddf8f4;
  --shadow: 0 22px 70px rgba(15, 23, 42, 0.11);
  --radius: 8px;
  --max: 1180px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.site-header {
  align-items: center;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(217, 226, 239, 0.72);
  backdrop-filter: blur(18px);
  display: flex;
  gap: 28px;
  height: 76px;
  justify-content: space-between;
  left: 0;
  padding: 0 max(28px, calc((100vw - var(--max)) / 2));
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand {
  align-items: center;
  display: flex;
  flex: 0 0 auto;
}

.brand img {
  display: block;
  height: 45px;
  width: auto;
}

.nav {
  align-items: center;
  display: flex;
  gap: 26px;
  justify-content: center;
}

.nav a {
  color: #26364a;
  font-size: 14px;
  font-weight: 650;
  line-height: 1;
}

.nav a:hover {
  color: var(--blue);
}

.header-actions {
  align-items: center;
  display: flex;
  gap: 12px;
}

.lang-toggle,
.header-cta,
.button {
  align-items: center;
  border-radius: var(--radius);
  display: inline-flex;
  font-size: 14px;
  font-weight: 720;
  justify-content: center;
  line-height: 1;
  min-height: 42px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.lang-toggle {
  background: #ffffff;
  border: 1px solid var(--line);
  color: #26364a;
  cursor: pointer;
  min-width: 48px;
  padding: 0 12px;
}

.header-cta,
.button.primary {
  background: var(--ink);
  border: 1px solid var(--ink);
  color: #ffffff;
  padding: 0 18px;
}

.button.secondary {
  background: #ffffff;
  border: 1px solid var(--line);
  color: var(--ink);
  padding: 0 18px;
}

.lang-toggle:hover,
.button.secondary:hover {
  border-color: var(--blue);
  color: var(--blue);
}

.header-cta:hover,
.button.primary:hover {
  background: var(--blue);
  border-color: var(--blue);
  transform: translateY(-1px);
}

.menu-button {
  background: transparent;
  border: 0;
  cursor: pointer;
  display: none;
  height: 42px;
  padding: 0;
  width: 42px;
}

.menu-button span {
  background: var(--ink);
  display: block;
  height: 2px;
  margin: 7px auto;
  width: 22px;
}

.hero {
  display: grid;
  gap: 54px;
  grid-template-columns: minmax(0, 0.95fr) minmax(420px, 1.05fr);
  margin: 0 auto;
  max-width: var(--max);
  min-height: calc(100vh - 76px);
  padding: 96px 0 82px;
}

.hero-content {
  align-self: center;
}

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

h1 {
  font-size: clamp(42px, 5.2vw, 72px);
  font-weight: 780;
  line-height: 1.04;
  max-width: 710px;
}

.hero-lede {
  color: var(--muted);
  font-size: 19px;
  line-height: 1.78;
  margin-top: 26px;
  max-width: 610px;
}

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

.hero-actions .button {
  min-height: 50px;
}

.hero-proof {
  border-top: 1px solid var(--line);
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
  margin: 54px 0 0;
  padding-top: 24px;
}

.hero-proof div {
  min-width: 0;
}

.hero-proof dt {
  color: var(--ink);
  font-size: 22px;
  font-weight: 780;
  margin-bottom: 8px;
}

.hero-proof dd {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
  margin: 0;
}

.hero-visual {
  align-items: center;
  display: flex;
  justify-content: center;
  min-width: 0;
}

.wave-field {
  aspect-ratio: 1.05 / 1;
  background:
    radial-gradient(circle at 72% 22%, rgba(20, 184, 166, 0.2), transparent 30%),
    radial-gradient(circle at 27% 78%, rgba(11, 87, 208, 0.16), transparent 33%),
    linear-gradient(145deg, #f8fbff, #edf8f7);
  border: 1px solid rgba(217, 226, 239, 0.9);
  border-radius: 8px;
  box-shadow: var(--shadow);
  max-width: 560px;
  overflow: hidden;
  position: relative;
  width: 100%;
}

.wave-field::before {
  background-image:
    linear-gradient(rgba(11, 87, 208, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(11, 87, 208, 0.08) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  inset: 0;
  mask-image: linear-gradient(135deg, transparent 0, #000 30%, #000 72%, transparent 100%);
  position: absolute;
}

.orbit {
  border: 1px solid rgba(11, 87, 208, 0.22);
  border-radius: 999px;
  position: absolute;
  transform: rotate(-20deg);
}

.orbit-one {
  height: 360px;
  left: 78px;
  top: 78px;
  width: 520px;
}

.orbit-two {
  border-color: rgba(20, 184, 166, 0.3);
  height: 250px;
  left: -22px;
  top: 160px;
  width: 480px;
}

.stream {
  background: linear-gradient(90deg, transparent, var(--blue), var(--teal), transparent);
  border-radius: 999px;
  height: 5px;
  left: 42px;
  opacity: 0.86;
  position: absolute;
  transform: rotate(-18deg);
  transform-origin: left;
}

.stream-one {
  top: 210px;
  width: 450px;
}

.stream-two {
  opacity: 0.52;
  top: 254px;
  width: 390px;
}

.stream-three {
  opacity: 0.36;
  top: 304px;
  width: 330px;
}

.node {
  background: #ffffff;
  border: 5px solid var(--blue);
  border-radius: 50%;
  box-shadow: 0 12px 32px rgba(11, 87, 208, 0.22);
  height: 24px;
  position: absolute;
  width: 24px;
}

.node-a {
  left: 102px;
  top: 226px;
}

.node-b {
  border-color: var(--teal);
  left: 240px;
  top: 174px;
}

.node-c {
  left: 388px;
  top: 238px;
}

.node-d {
  border-color: var(--teal);
  height: 18px;
  left: 172px;
  top: 324px;
  width: 18px;
}

.node-e {
  height: 18px;
  left: 456px;
  top: 150px;
  width: 18px;
}

.signal-card {
  background: rgba(255, 255, 255, 0.84);
  border: 1px solid rgba(217, 226, 239, 0.94);
  border-radius: 8px;
  box-shadow: 0 18px 52px rgba(15, 23, 42, 0.12);
  display: grid;
  gap: 6px;
  padding: 18px;
  position: absolute;
}

.signal-card strong {
  color: var(--ink);
  font-size: 14px;
}

.signal-card span {
  color: var(--muted);
  font-size: 12px;
}

.signal-main {
  left: 36px;
  top: 42px;
  width: 230px;
}

.signal-sub {
  bottom: 42px;
  right: 36px;
  width: 210px;
}

.section {
  margin: 0 auto;
  max-width: var(--max);
  padding: 104px 0;
}

.section-heading {
  display: grid;
  gap: 18px;
  grid-template-columns: 0.9fr 1fr;
  margin-bottom: 46px;
}

h2 {
  font-size: clamp(31px, 3vw, 46px);
  font-weight: 760;
  line-height: 1.14;
}

.section-heading p,
.split-copy p,
.consulting-rail p,
.contact p {
  color: var(--muted);
  font-size: 17px;
  line-height: 1.75;
}

.service-band {
  border-top: 1px solid var(--line);
}

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

.solution-grid article {
  background: var(--soft);
  border: 1px solid transparent;
  min-height: 300px;
  padding: 34px;
  transition: background 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.solution-grid article:hover {
  background: #ffffff;
  border-color: var(--line);
  transform: translateY(-3px);
}

.index {
  color: var(--blue);
  display: block;
  font-size: 13px;
  font-weight: 760;
  margin-bottom: 82px;
}

h3 {
  font-size: 23px;
  font-weight: 730;
  line-height: 1.25;
}

article p {
  color: var(--muted);
  font-size: 15px;
  line-height: 1.75;
  margin-top: 16px;
}

.split {
  align-items: center;
  display: grid;
  gap: 72px;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1fr);
}

.check-list {
  display: grid;
  gap: 15px;
  list-style: none;
  margin: 32px 0 0;
  padding: 0;
}

.check-list li {
  align-items: center;
  color: #243247;
  display: grid;
  font-size: 16px;
  font-weight: 650;
  gap: 12px;
  grid-template-columns: 22px 1fr;
}

.check-list li::before {
  background: var(--teal-soft);
  border: 1px solid rgba(20, 184, 166, 0.38);
  border-radius: 50%;
  color: var(--teal);
  content: "";
  height: 22px;
  width: 22px;
}

.tool-panel {
  background: #0f172a;
  border-radius: 8px;
  box-shadow: var(--shadow);
  color: #ffffff;
  padding: 24px;
}

.tool-topbar {
  display: flex;
  gap: 8px;
  margin-bottom: 24px;
}

.tool-topbar span {
  background: rgba(255, 255, 255, 0.35);
  border-radius: 50%;
  height: 10px;
  width: 10px;
}

.tool-row {
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: grid;
  gap: 6px;
  margin-bottom: 12px;
  padding: 18px;
}

.tool-row.active {
  background: rgba(20, 184, 166, 0.13);
  border-color: rgba(20, 184, 166, 0.46);
}

.tool-row strong,
.tool-output strong {
  font-size: 16px;
}

.tool-row span,
.tool-output span,
.tool-output p {
  color: rgba(255, 255, 255, 0.68);
  font-size: 13px;
}

.tool-output {
  background: linear-gradient(135deg, rgba(11, 87, 208, 0.34), rgba(20, 184, 166, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  margin-top: 26px;
  padding: 22px;
}

.tool-output p {
  font-size: 18px;
  line-height: 1.55;
  margin-top: 12px;
}

.consulting {
  display: grid;
  gap: 64px;
  grid-template-columns: 0.78fr 1fr;
}

.consulting-rail {
  border-left: 4px solid var(--blue);
  padding-left: 28px;
}

.consulting-rail p {
  margin-top: 20px;
}

.consulting-list {
  display: grid;
  gap: 24px;
}

.consulting-list article {
  border-bottom: 1px solid var(--line);
  padding-bottom: 26px;
}

.process {
  background: linear-gradient(180deg, #f8fbff, #ffffff);
  max-width: none;
  padding-left: max(28px, calc((100vw - var(--max)) / 2));
  padding-right: max(28px, calc((100vw - var(--max)) / 2));
}

.timeline {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(4, 1fr);
}

.timeline article {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  min-height: 245px;
  padding: 26px;
}

.timeline span {
  align-items: center;
  background: var(--ink);
  border-radius: 50%;
  color: #ffffff;
  display: inline-flex;
  font-size: 13px;
  font-weight: 760;
  height: 34px;
  justify-content: center;
  margin-bottom: 42px;
  width: 34px;
}

.industries {
  padding-bottom: 78px;
}

.industry-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.industry-list span {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #243247;
  font-size: 16px;
  font-weight: 680;
  padding: 18px 22px;
}

.contact {
  align-items: end;
  background: var(--ink);
  color: #ffffff;
  display: grid;
  gap: 38px;
  grid-template-columns: 1fr 0.65fr;
  margin: 0 auto 28px;
  max-width: var(--max);
  padding: 54px;
}

.contact h2 {
  max-width: 760px;
}

.contact p {
  color: rgba(255, 255, 255, 0.72);
  margin-top: 18px;
  max-width: 670px;
}

address {
  display: grid;
  font-style: normal;
  gap: 14px;
  justify-items: end;
}

address a {
  color: #ffffff;
  font-size: 22px;
  font-weight: 760;
  overflow-wrap: anywhere;
}

address span {
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.55;
  text-align: right;
}

footer {
  color: var(--muted);
  align-items: center;
  display: flex;
  font-size: 13px;
  gap: 20px;
  justify-content: space-between;
  margin: 0 auto;
  max-width: var(--max);
  padding: 24px 0 42px;
}

footer span,
footer a {
  min-width: 0;
}

.footer-brand {
  white-space: nowrap;
}

.icp-link {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.icp-link:hover {
  color: var(--text);
}

@media (prefers-reduced-motion: no-preference) {
  .stream-one {
    animation: stream 6s ease-in-out infinite;
  }

  .stream-two {
    animation: stream 7s ease-in-out infinite reverse;
  }

  .node-b,
  .node-c {
    animation: float 5s ease-in-out infinite;
  }
}

@keyframes stream {
  0%,
  100% {
    transform: rotate(-18deg) translateX(0);
  }
  50% {
    transform: rotate(-18deg) translateX(16px);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

@media (max-width: 1240px) {
  .site-header,
  .hero,
  .section,
  .contact,
  footer {
    margin-left: 28px;
    margin-right: 28px;
  }

  .process {
    margin-left: 0;
    margin-right: 0;
  }
}

@media (max-width: 940px) {
  .site-header {
    height: 70px;
  }

  .nav {
    background: #ffffff;
    border-bottom: 1px solid var(--line);
    display: none;
    gap: 0;
    left: 0;
    padding: 16px 28px 24px;
    position: absolute;
    right: 0;
    top: 70px;
  }

  .nav.is-open {
    display: grid;
  }

  .nav a {
    padding: 13px 0;
  }

  .header-cta {
    display: none;
  }

  .menu-button {
    display: block;
  }

  .hero,
  .split,
  .consulting,
  .contact {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 72px 0 68px;
  }

  .hero-visual {
    order: -1;
  }

  .wave-field {
    max-width: 680px;
  }

  .section-heading {
    grid-template-columns: 1fr;
  }

  .solution-grid,
  .timeline {
    grid-template-columns: 1fr 1fr;
  }

  address {
    justify-items: start;
  }

  address span {
    text-align: left;
  }
}

@media (max-width: 640px) {
  .site-header,
  .hero,
  .section,
  .contact,
  footer {
    margin-left: 18px;
    margin-right: 18px;
  }

  .site-header {
    padding-left: 18px;
    padding-right: 18px;
  }

  .brand img {
    height: 39px;
    width: auto;
  }

  .hero {
    gap: 34px;
    padding-top: 44px;
  }

  h1 {
    font-size: 39px;
  }

  .hero-lede {
    font-size: 17px;
  }

  .hero-proof,
  .solution-grid,
  .timeline {
    grid-template-columns: 1fr;
  }

  .wave-field {
    aspect-ratio: 0.95 / 1;
  }

  .signal-card {
    padding: 14px;
  }

  .signal-main {
    left: 18px;
    top: 24px;
    width: 205px;
  }

  .signal-sub {
    bottom: 24px;
    right: 18px;
    width: 190px;
  }

  .section {
    padding: 74px 0;
  }

  .process {
    padding-left: 18px;
    padding-right: 18px;
  }

  .split {
    gap: 42px;
  }

  .tool-panel {
    padding: 18px;
  }

  .contact {
    margin-bottom: 20px;
    padding: 34px 24px;
  }

  address a {
    font-size: 19px;
  }

  footer {
    display: grid;
    gap: 10px;
  }

  .footer-brand,
  .icp-link {
    white-space: normal;
  }
}