* {
  box-sizing: border-box;
}

:root {
  --bg: #0b0e14;
  --panel: #121722;
  --panel-2: #171d2a;
  --text: #f5f7fb;
  --muted: #a8b0c2;
  --line: rgba(255,255,255,.12);
  --accent: #8ab4ff;
  --accent-2: #c7a46b;
  --shadow: 0 24px 80px rgba(0,0,0,.35);
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(138,180,255,.16), transparent 34rem),
    radial-gradient(circle at 80% 10%, rgba(199,164,107,.14), transparent 26rem),
    var(--bg);
  color: var(--text);
  line-height: 1.65;
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 5vw, 72px);
  background: rgba(11,14,20,.78);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--line);
}

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

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #10131a;
  font-weight: 900;
}

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

.brand small {
  color: var(--muted);
  font-size: 12px;
}

.nav {
  display: flex;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
}

.nav a:hover,
.site-footer a:hover {
  color: var(--accent);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--text);
  background: rgba(255,255,255,.04);
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: clamp(28px, 5vw, 80px);
  align-items: center;
  padding: clamp(72px, 10vw, 132px) clamp(20px, 5vw, 72px) 72px;
  min-height: 78vh;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent-2);
  letter-spacing: .14em;
  text-transform: uppercase;
  font-size: 12px;
  font-weight: 700;
}

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

h1 {
  max-width: 900px;
  font-size: clamp(42px, 7vw, 84px);
  line-height: 1.02;
  letter-spacing: -.06em;
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.08;
  letter-spacing: -.04em;
  margin-bottom: 18px;
}

h3 {
  font-size: 20px;
  margin-bottom: 10px;
}

.hero-text,
.muted,
.section-heading p,
.card p,
.service p,
.step p,
.feature-box p,
.contact-section p {
  color: var(--muted);
}

.hero-text {
  max-width: 680px;
  font-size: 18px;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.primary {
  background: var(--text);
  color: #0b0e14;
}

.btn.secondary {
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(255,255,255,.04);
}

.hero-panel,
.card,
.service,
.feature-box,
.contact-card {
  background: linear-gradient(180deg, rgba(255,255,255,.07), rgba(255,255,255,.035));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.hero-panel {
  border-radius: 28px;
  overflow: hidden;
}

.panel-top {
  display: flex;
  gap: 8px;
  padding: 18px;
  border-bottom: 1px solid var(--line);
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: rgba(255,255,255,.28);
}

.panel-body {
  padding: 30px;
}

.panel-label {
  color: var(--accent);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .12em;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.metric-grid div {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255,255,255,.04);
}

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

.metric-grid strong {
  font-size: 24px;
}

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

.section,
.split-section,
.contact-section {
  padding: 86px clamp(20px, 5vw, 72px);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

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

.card,
.service {
  border-radius: 24px;
  padding: 26px;
}

.card-number {
  display: inline-flex;
  margin-bottom: 28px;
  color: var(--accent);
  font-weight: 800;
}

.card a {
  display: inline-block;
  margin-top: 14px;
  color: var(--accent);
  font-weight: 700;
}

.split-section {
  display: grid;
  grid-template-columns: .9fr 1.1fr;
  gap: clamp(28px, 5vw, 72px);
  align-items: start;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.025);
}

.timeline {
  display: grid;
  gap: 14px;
}

.step {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 18px;
  padding: 20px;
  border-radius: 22px;
  background: rgba(255,255,255,.045);
  border: 1px solid var(--line);
}

.step span {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: rgba(138,180,255,.16);
  color: var(--accent);
  font-weight: 900;
}

.alt {
  background: rgba(255,255,255,.018);
}

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

.feature-box {
  display: grid;
  grid-template-columns: 1fr .9fr;
  gap: 28px;
  align-items: center;
  border-radius: 30px;
  padding: clamp(26px, 5vw, 48px);
}

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

.tag-cloud span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.045);
  color: var(--muted);
}

.contact-section {
  display: grid;
  grid-template-columns: 1fr .85fr;
  gap: 28px;
  align-items: center;
}

.contact-card {
  padding: 28px;
  border-radius: 26px;
}

.contact-card p {
  margin-bottom: 4px;
}

.contact-card > a {
  color: var(--accent);
  font-size: 20px;
  font-weight: 800;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  padding: 28px clamp(20px, 5vw, 72px);
  border-top: 1px solid var(--line);
  color: var(--muted);
}

.site-footer div {
  display: flex;
  gap: 18px;
}

@media (max-width: 900px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav {
    flex-wrap: wrap;
  }

  .nav-cta {
    display: none;
  }

  .hero,
  .split-section,
  .feature-box,
  .contact-section {
    grid-template-columns: 1fr;
  }

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

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

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