:root {
  color-scheme: light;
  --ink: #07111f;
  --ink-soft: #223044;
  --muted: #5e6b7c;
  --line: #dfe6ee;
  --surface: #ffffff;
  --surface-alt: #f4f7fb;
  --blue: #1769e8;
  --red: #e33f4f;
  --green: #0e9f6e;
  --gold: #c68a2c;
  --shadow: 0 22px 60px rgba(9, 24, 46, 0.13);
  --max: 1180px;
  font-family:
    Inter, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--surface);
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 0 40px;
  border-bottom: 1px solid rgba(223, 230, 238, 0.78);
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(18px);
}

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

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
  background:
    linear-gradient(135deg, rgba(23, 105, 232, 0.94), rgba(14, 159, 110, 0.94)),
    var(--blue);
}

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

.brand strong {
  font-size: 1rem;
}

.brand small {
  margin-top: 3px;
  color: var(--muted);
  font-size: 0.76rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  color: var(--ink-soft);
  font-size: 0.95rem;
  font-weight: 650;
}

.site-nav a {
  position: relative;
  padding: 26px 0;
}

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 18px;
  left: 0;
  height: 2px;
  background: var(--blue);
  content: "";
  opacity: 0;
  transform: scaleX(0.4);
  transition:
    opacity 160ms ease,
    transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a:focus-visible::after {
  opacity: 1;
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 5px auto;
  background: var(--ink);
  transition:
    transform 160ms ease,
    opacity 160ms ease;
}

.hero {
  position: relative;
  display: grid;
  min-height: 76svh;
  overflow: hidden;
  isolation: isolate;
}

.hero-media,
.hero::before {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero-media {
  background-image: url("images/hero-growth-ops.png");
  background-position: center;
  background-size: cover;
}

.hero::before {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.93) 34%, rgba(255, 255, 255, 0.48) 58%, rgba(255, 255, 255, 0.1) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(244, 247, 251, 0.9));
  content: "";
}

.hero-inner,
.section-shell {
  width: min(100% - 48px, var(--max));
  margin: 0 auto;
}

.hero-inner {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 76svh;
  padding: 78px 0 70px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 0.83rem;
  font-weight: 780;
  line-height: 1.4;
}

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

h1 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: 4.15rem;
  line-height: 1.05;
}

h2 {
  margin-bottom: 18px;
  font-size: 2.55rem;
  line-height: 1.14;
}

h3 {
  margin-bottom: 12px;
  font-size: 1.2rem;
  line-height: 1.3;
}

.hero-copy {
  max-width: 680px;
  margin-bottom: 30px;
  color: var(--ink-soft);
  font-size: 1.16rem;
  line-height: 1.8;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 760;
  transition:
    transform 160ms ease,
    box-shadow 160ms ease,
    border-color 160ms ease;
}

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

.button-primary {
  color: #fff;
  background: var(--ink);
  box-shadow: 0 14px 30px rgba(7, 17, 31, 0.18);
}

.button-secondary {
  color: var(--ink);
  border-color: rgba(7, 17, 31, 0.16);
  background: rgba(255, 255, 255, 0.72);
}

.button-secondary:hover,
.button-secondary:focus-visible {
  border-color: rgba(23, 105, 232, 0.32);
}

.hero-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(760px, 100%);
  margin: 44px 0 0;
  overflow: hidden;
  border: 1px solid rgba(223, 230, 238, 0.9);
  border-radius: 8px;
  background: rgba(223, 230, 238, 0.9);
  box-shadow: var(--shadow);
}

.hero-metrics div {
  min-width: 0;
  padding: 18px;
  background: rgba(255, 255, 255, 0.86);
}

.hero-metrics dt {
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 0.86rem;
}

.hero-metrics dd {
  margin: 0;
  color: var(--ink);
  font-weight: 780;
  line-height: 1.35;
}

.signal-band {
  background: var(--ink);
  color: #fff;
}

.signal-grid {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
  padding: 22px 0;
}

.signal-grid p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
}

.signal-grid a {
  color: #fff;
  font-weight: 760;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.section {
  padding: 98px 0;
}

.section-contrast {
  background: var(--surface-alt);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 44px;
  text-align: center;
}

.section-heading.align-start {
  margin: 0;
  text-align: left;
}

.section-heading p:not(.eyebrow) {
  color: var(--muted);
  font-size: 1.04rem;
  line-height: 1.8;
}

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

.service-card {
  display: flex;
  min-height: 360px;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 12px 36px rgba(9, 24, 46, 0.08);
}

.service-index {
  width: max-content;
  margin-bottom: 28px;
  padding: 6px 10px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-size: 0.78rem;
  font-weight: 800;
}

.service-card:nth-child(1) .service-index {
  background: var(--blue);
}

.service-card:nth-child(2) .service-index {
  background: var(--red);
}

.service-card:nth-child(3) .service-index {
  background: var(--green);
}

.service-card p,
.method-track p {
  color: var(--muted);
  line-height: 1.75;
}

.service-card ul {
  display: grid;
  gap: 10px;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.service-card li {
  position: relative;
  padding-left: 18px;
  color: var(--ink-soft);
  line-height: 1.6;
}

.service-card li::before {
  position: absolute;
  top: 0.68em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--gold);
  content: "";
}

.split-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.88fr) minmax(360px, 1fr);
  gap: 66px;
  align-items: center;
}

.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 8px;
  color: var(--blue);
  font-weight: 780;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.ops-board {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.ops-item {
  min-height: 154px;
  padding: 24px;
  border: 1px solid rgba(7, 17, 31, 0.08);
  border-radius: 8px;
  background: #fff;
}

.ops-item strong,
.ops-item span {
  display: block;
}

.ops-item strong {
  margin-bottom: 12px;
  font-size: 1.08rem;
}

.ops-item span {
  color: var(--muted);
  line-height: 1.7;
}

.method-track {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.method-track article {
  position: relative;
  min-height: 280px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.method-track span {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  margin-bottom: 36px;
  border-radius: 8px;
  color: #fff;
  background: var(--ink);
  font-weight: 800;
}

.section-data {
  color: #fff;
  background:
    linear-gradient(120deg, rgba(23, 105, 232, 0.24), transparent 38%),
    linear-gradient(290deg, rgba(14, 159, 110, 0.18), transparent 36%),
    var(--ink);
}

.data-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1fr);
  gap: 42px;
  align-items: start;
}

.section-data .eyebrow {
  color: #89b7ff;
}

.section-data h2 {
  margin-bottom: 0;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.data-grid div {
  min-height: 126px;
  padding: 20px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.08);
}

.data-grid strong,
.data-grid span {
  display: block;
}

.data-grid strong {
  margin-bottom: 10px;
  color: #fff;
}

.data-grid span {
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.65;
}

.cta-section {
  padding: 88px 0;
  background: var(--surface-alt);
}

.cta-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 36px;
  align-items: center;
}

.cta-layout h2 {
  max-width: 780px;
}

.cta-layout p:not(.eyebrow) {
  max-width: 720px;
  color: var(--muted);
  line-height: 1.8;
}

.cta-actions {
  justify-content: flex-end;
}

.site-footer {
  padding: 30px 0;
  border-top: 1px solid var(--line);
  background: #fff;
}

.footer-layout {
  display: flex;
  gap: 18px;
  align-items: center;
  justify-content: space-between;
  color: var(--muted);
  font-size: 0.92rem;
}

.footer-layout p {
  margin: 0;
}

.footer-layout a {
  color: var(--ink);
  font-weight: 760;
}

@media (max-width: 980px) {
  .site-header {
    padding: 0 24px;
  }

  h1 {
    font-size: 3.25rem;
  }

  h2 {
    font-size: 2.1rem;
  }

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

  .split-layout,
  .data-layout,
  .cta-layout {
    grid-template-columns: 1fr;
  }

  .cta-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 64px;
    padding: 0 18px;
  }

  .nav-toggle {
    display: block;
  }

  .nav-open .nav-toggle span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-open .nav-toggle span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .site-nav {
    position: fixed;
    top: 64px;
    right: 16px;
    left: 16px;
    display: grid;
    gap: 0;
    padding: 10px;
    border: 1px solid var(--line);
    border-radius: 8px;
    background: #fff;
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-8px);
    transition:
      opacity 160ms ease,
      transform 160ms ease;
  }

  .nav-open .site-nav {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 14px 12px;
    border-radius: 8px;
  }

  .site-nav a:hover,
  .site-nav a:focus-visible {
    background: var(--surface-alt);
  }

  .site-nav a::after {
    display: none;
  }

  .hero {
    min-height: 78svh;
  }

  .hero::before {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.92) 58%, rgba(255, 255, 255, 0.52) 100%),
      linear-gradient(90deg, rgba(255, 255, 255, 0.96), rgba(255, 255, 255, 0.3));
  }

  .hero-media {
    background-position: 60% center;
  }

  .hero-inner,
  .section-shell {
    width: min(100% - 32px, var(--max));
  }

  .hero-inner {
    min-height: 78svh;
    padding: 46px 0 24px;
  }

  h1 {
    font-size: 2.16rem;
    line-height: 1.08;
  }

  h2 {
    font-size: 1.82rem;
  }

  .hero-copy {
    font-size: 1.02rem;
    line-height: 1.62;
  }

  .button {
    width: 100%;
  }

  .hero-metrics,
  .ops-board,
  .method-track,
  .data-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    margin-top: 22px;
  }

  .hero-metrics div {
    padding: 12px;
  }

  .hero-metrics dt {
    font-size: 0.72rem;
  }

  .hero-metrics dd {
    font-size: 0.82rem;
  }

  .signal-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .section,
  .cta-section {
    padding: 70px 0;
  }

  .section-heading {
    margin-bottom: 32px;
    text-align: left;
  }

  .service-card,
  .method-track article {
    min-height: auto;
  }

  .footer-layout {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}