:root {
  color-scheme: light;
  --text: #111113;
  --muted: #62666d;
  --subtle: #868b93;
  --line: #e8e8ed;
  --surface: #ffffff;
  --surface-soft: #f5f5f7;
  --surface-raised: #fbfbfd;
  --accent: #0066cc;
  --accent-hover: #004f9e;
  --mint: #2e9f7a;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.08);
  --max-width: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  min-width: 320px;
  margin: 0;
  overflow-x: hidden;
  background: var(--surface);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
    "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  background:
    radial-gradient(circle at 50% 10%, rgba(0, 102, 204, 0.08), transparent 30rem),
    linear-gradient(180deg, #ffffff 0%, #f8f8fa 58%, #ffffff 100%);
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(0, 102, 204, 0.45);
  outline-offset: 4px;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 20;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--text);
  color: #fff;
  transform: translateY(-140%);
  transition: transform 180ms ease;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(232, 232, 237, 0.78);
  background: rgba(255, 255, 255, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: calc(100% - 32px);
  max-width: var(--max-width);
  min-height: 52px;
  margin: 0 auto;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  gap: 10px;
  font-weight: 600;
}

.brand-mark {
  display: inline-grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border: 1px solid rgba(17, 17, 19, 0.08);
  border-radius: 8px;
  background: #111113;
  color: #fff;
  font-size: 13px;
}

.brand-name {
  font-size: 14px;
}

.nav-links {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: 26px;
  color: #3d4148;
  font-size: 13px;
}

.nav-links a {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  min-height: 44px;
  white-space: nowrap;
  transition: color 180ms ease;
}

.nav-links a:hover,
.nav-links a.is-active {
  color: var(--accent);
}

.section {
  width: calc(100% - 32px);
  max-width: var(--max-width);
  margin: 0 auto;
}

.hero {
  display: grid;
  min-height: calc(100dvh - 52px);
  padding: 86px 0 72px;
  align-items: center;
  gap: 52px;
  text-align: center;
}

.hero-copy {
  max-width: 900px;
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 14px;
  font-weight: 600;
}

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

h1,
h2,
h3 {
  margin: 0;
  letter-spacing: 0;
}

h1 {
  font-size: clamp(44px, 8vw, 86px);
  font-weight: 700;
  line-height: 1.04;
}

.hero-text {
  max-width: 760px;
  margin: 24px auto 0;
  color: #4b5058;
  font-size: clamp(18px, 2.6vw, 24px);
  line-height: 1.58;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 116px;
  min-height: 44px;
  padding: 10px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  transition:
    background-color 180ms ease,
    border-color 180ms ease,
    color 180ms ease,
    transform 180ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

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

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

.button-secondary {
  border-color: rgba(0, 102, 204, 0.24);
  background: rgba(255, 255, 255, 0.74);
  color: var(--accent);
}

.button-secondary:hover {
  border-color: rgba(0, 102, 204, 0.48);
  background: #fff;
}

.hero-visual {
  position: relative;
  width: 100%;
  max-width: 980px;
  margin: 0 auto;
}

.hero-visual::before {
  position: absolute;
  inset: 7% 10% auto;
  height: 52%;
  border-radius: 50%;
  background: rgba(0, 102, 204, 0.12);
  filter: blur(70px);
  content: "";
}

.hero-visual img {
  position: relative;
  width: 100%;
  height: auto;
  border: 1px solid rgba(17, 17, 19, 0.08);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.intro,
.capabilities,
.closing {
  padding: 96px 0;
}

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

.section-heading h2,
.closing h2 {
  font-size: clamp(32px, 5.2vw, 58px);
  font-weight: 700;
  line-height: 1.08;
}

.section-heading p:not(.eyebrow),
.closing p:not(.eyebrow) {
  margin: 20px auto 0;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.65;
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.intro-panel {
  min-height: 250px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.72);
  box-shadow: 0 14px 42px rgba(0, 0, 0, 0.04);
}

.panel-number {
  display: block;
  margin-bottom: 46px;
  color: var(--subtle);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}

.intro-panel h3,
.capability h3 {
  font-size: 22px;
  font-weight: 650;
  line-height: 1.24;
}

.intro-panel p,
.capability p {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.capabilities {
  width: 100%;
  max-width: none;
  background: var(--surface-soft);
}

.capabilities > * {
  width: calc(100% - 32px);
  max-width: var(--max-width);
  margin-right: auto;
  margin-left: auto;
}

.capability-list {
  display: grid;
  gap: 12px;
}

.capability {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 30px;
  border: 1px solid rgba(17, 17, 19, 0.06);
  border-radius: 8px;
  background: var(--surface);
}

.capability-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 8px;
  background: #f1f7fd;
  color: var(--accent);
}

.capability-icon svg {
  width: 27px;
  height: 27px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.7;
}

.closing {
  text-align: center;
}

.closing-inner {
  max-width: 840px;
  margin: 0 auto;
}

.contact-emails {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 34px;
  gap: 12px;
}

.contact-emails span {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.78);
  color: #2f343b;
  font-size: 15px;
  font-weight: 500;
}

.site-footer {
  width: calc(100% - 32px);
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 24px 0 36px;
  border-top: 1px solid var(--line);
  color: var(--subtle);
  font-size: 13px;
  text-align: center;
}

.site-footer p {
  margin: 0;
}

.site-footer p + p {
  margin-top: 8px;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover,
.site-footer a:focus-visible {
  color: var(--ink);
  text-decoration: underline;
}

.reveal {
  opacity: 1;
  transform: none;
}

.js-enabled .reveal {
  opacity: 0;
  transform: translateY(18px);
  transition:
    opacity 520ms ease,
    transform 520ms ease;
}

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

@media (max-width: 820px) {
  .nav {
    width: calc(100% - 24px);
  }

  .brand-name {
    display: none;
  }

  .nav-links {
    flex: 1;
    justify-content: flex-end;
    gap: 14px;
  }

  .hero {
    min-height: auto;
    padding: 64px 0 56px;
    gap: 40px;
  }

  .intro,
  .capabilities,
  .closing {
    padding: 72px 0;
  }

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

  .intro-panel {
    min-height: auto;
  }

  .panel-number {
    margin-bottom: 32px;
  }
}

@media (max-width: 520px) {
  .section,
  .capabilities > *,
  .site-footer {
    width: calc(100% - 24px);
  }

  .nav {
    gap: 12px;
  }

  .nav-links {
    gap: 8px;
    font-size: 12px;
  }

  .nav-links a {
    padding: 0 2px;
  }

  .hero {
    padding-top: 54px;
    text-align: left;
  }

  h1 {
    font-size: 38px;
  }

  .hero-copy,
  .section-heading,
  .closing-inner {
    text-align: left;
  }

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

  .contact-emails {
    justify-content: flex-start;
  }

  .button {
    min-width: 0;
    padding-right: 18px;
    padding-left: 18px;
  }

  .hero-visual img {
    border-radius: 8px;
  }

  .intro-panel,
  .capability {
    padding: 22px;
  }

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

@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;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}