:root {
  --bg: #08111f;
  --bg-soft: #0f1d2f;
  --panel: #ffffff;
  --text: #152033;
  --muted: #667085;
  --line: #dbe3ee;
  --brand: #00a6a6;
  --brand-strong: #007f85;
  --accent: #f2b84b;
  --light: #f6f9fc;
  --white: #ffffff;
  --shadow: 0 24px 80px rgba(9, 22, 40, 0.14);
  --purple: #6b5ce7;
  --purple-light: #f0eeff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: var(--light);
  line-height: 1.6;
}

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

/* ───── Header ───── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  height: 72px;
  padding: 0 clamp(20px, 5vw, 72px);
  color: var(--white);
  background: rgba(8, 17, 31, 0.92);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

.site-header.is-scrolled { box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18); }

.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #061720;
  background: linear-gradient(135deg, #29e0d4, #f4c15d);
}
.brand-text { font-size: 18px; letter-spacing: 0; }

.site-nav { display: flex; align-items: center; gap: 28px; font-size: 14px; color: rgba(255,255,255,0.82); }
.site-nav a:hover { color: var(--white); }
.nav-action {
  padding: 10px 16px;
  border-radius: 6px;
  color: #061720;
  font-weight: 700;
  background: var(--accent);
}

/* ───── Padding helpers ───── */
.section-band,
.section-block,
.contact-section,
.strip {
  padding-left: clamp(20px, 5vw, 72px);
  padding-right: clamp(20px, 5vw, 72px);
}

/* ───── Hero ───── */
.hero {
  min-height: calc(100vh - 72px);
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  padding-top: 56px;
  padding-bottom: 72px;
  color: var(--white);
  background:
    radial-gradient(circle at 70% 30%, rgba(0, 166, 166, 0.28), transparent 30%),
    linear-gradient(135deg, #07101e 0%, #0e2435 52%, #082f35 100%);
  overflow: hidden;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--brand);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(38px, 5.5vw, 68px);
  line-height: 1.1;
  letter-spacing: 0;
}

.hero-copy {
  max-width: 690px;
  margin: 24px 0 0;
  color: rgba(255,255,255,0.76);
  font-size: 18px;
}

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 7px;
  font-weight: 800;
}
.button.primary { color: #061720; background: var(--accent); }
.button.secondary { color: var(--white); border: 1px solid rgba(255,255,255,0.22); }

/* Hero visual */
.hero-visual {
  position: relative;
  min-height: 460px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 8px;
  background: linear-gradient(155deg, rgba(255,255,255,0.09), rgba(255,255,255,0.03));
  box-shadow: 0 40px 120px rgba(0, 0, 0, 0.22);
  overflow: hidden;
}
.hero-visual::before {
  content: "";
  position: absolute;
  inset: 24px;
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 50%;
}
.orbit { position: absolute; border-radius: 50%; border: 1px solid rgba(41,224,212,0.28); }
.orbit-one { width: 360px; height: 360px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.orbit-two { width: 220px; height: 220px; left: 50%; top: 50%; transform: translate(-50%, -50%); }
.signal-card {
  position: absolute;
  border-radius: 8px;
  border: 1px solid rgba(255,255,255,0.14);
  background: rgba(8, 17, 31, 0.72);
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.signal-main {
  left: 50%; top: 50%; transform: translate(-50%, -50%);
  width: min(78%, 360px);
  padding: 24px;
}
.signal-main span { display: block; color: var(--brand); font-weight: 800; margin-bottom: 8px; }
.signal-main strong { display: block; font-size: 22px; line-height: 1.35; color: var(--white); }
.signal-mini { padding: 12px 15px; color: rgba(255,255,255,0.82); font-weight: 700; }
.signal-a { left: 28px; top: 68px; }
.signal-b { right: 34px; top: 120px; }
.signal-c { right: 58px; bottom: 78px; }

/* ───── Stats strip ───── */
.strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  padding-top: 1px;
  padding-bottom: 1px;
}
.strip div { background: var(--white); padding: 28px; }
.strip strong { display: block; color: var(--brand-strong); font-size: 30px; line-height: 1; }
.strip span { display: block; margin-top: 8px; color: var(--muted); font-size: 14px; }

/* ───── Section blocks ───── */
.section-block { padding-top: 92px; padding-bottom: 96px; background: var(--light); }
.section-heading { max-width: 760px; margin: 0 auto 48px; text-align: center; }
.section-heading.align-left { margin-left: 0; text-align: left; }
.section-heading h2 { margin: 0; font-size: clamp(30px, 4vw, 46px); line-height: 1.18; letter-spacing: 0; }
.section-heading p:last-child { margin: 16px 0 0; color: var(--muted); }

/* ───── Advantage Blocks ───── */
.advantage-block {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 40px;
  box-shadow: var(--shadow);
}
.mt-block { margin-top: 32px; }

.advantage-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 32px;
}
.advantage-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
}
.media-icon { background: linear-gradient(135deg, #e0fafa, #b2eded); color: var(--brand-strong); }
.purple-icon { background: linear-gradient(135deg, #ede9ff, #c9bfff); color: var(--purple); }

.advantage-header h3 { margin: 0; font-size: clamp(22px, 3vw, 32px); }

.advantage-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.adv-card {
  padding: 24px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--light);
}
.adv-card.teal-card {
  background: linear-gradient(135deg, #e6f9f8, #cdf4f2);
  border-color: #a8e8e4;
}
.adv-card h4 { margin: 0 0 12px; font-size: 18px; color: var(--text); }
.adv-card p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.65; }

/* Team layout */
.team-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.team-org {
  background: linear-gradient(135deg, #f5f3ff, #ede9ff);
  border-radius: 12px;
  padding: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.org-center {
  background: linear-gradient(135deg, #7b6cf6, #6b5ce7);
  color: white;
  font-weight: 800;
  font-size: 18px;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  box-shadow: 0 8px 24px rgba(107, 92, 231, 0.4);
}

.org-branches {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  width: 100%;
}

.org-branch {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.org-mid {
  background: rgba(107, 92, 231, 0.14);
  color: var(--purple);
  font-weight: 700;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 14px;
  border: 1px solid rgba(107, 92, 231, 0.25);
}

.org-leaves {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: center;
}
.org-leaves span {
  background: white;
  color: var(--muted);
  font-size: 12px;
  padding: 4px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
}

.team-desc h4 { margin: 0 0 16px; font-size: 24px; }
.team-desc p { color: var(--muted); font-size: 16px; line-height: 1.75; margin: 0 0 20px; }

.team-tags {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.team-tags li {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 6px 18px;
  font-size: 14px;
  font-weight: 600;
  color: var(--brand-strong);
}

/* ───── Solutions / Capability ───── */
.solutions {
  padding-top: 88px;
  padding-bottom: 90px;
  color: var(--white);
  background: linear-gradient(135deg, #0f1d2f, #0b3740);
}
.solutions .section-heading p { color: rgba(255,255,255,0.7); }

.capability-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.capability-card {
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: 12px;
  padding: 36px;
}

.cap-icon {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: var(--brand);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
}

.capability-card h4 {
  margin: 0 0 20px;
  font-size: 24px;
  color: var(--white);
}

.cap-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 14px;
}
.cap-list li { color: rgba(255,255,255,0.78); font-size: 15px; line-height: 1.6; }
.cap-list li strong { color: var(--accent); }

.case-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 20px;
}
.case-stat {
  background: rgba(255,255,255,0.06);
  border-radius: 8px;
  padding: 18px;
  border: 1px solid rgba(255,255,255,0.1);
}
.case-stat strong {
  display: block;
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 6px;
}
.case-stat span { color: rgba(255,255,255,0.65); font-size: 13px; }

.case-note { margin: 0; color: rgba(255,255,255,0.7); font-size: 15px; }
.case-note strong { color: var(--accent); }

/* ───── Process ───── */
.process-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.process-step {
  padding: 28px 24px;
  border-left: 4px solid var(--brand);
  background: var(--white);
  border-radius: 8px;
  box-shadow: var(--shadow);
}
.process-step span { color: var(--accent); font-size: 28px; font-weight: 900; }
.process-step h3 { margin: 16px 0 8px; }
.process-step p { margin: 0; color: var(--muted); }

/* ───── Contact ───── */
.contact-section {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 40px;
  align-items: center;
  padding-top: 80px;
  padding-bottom: 80px;
  color: var(--white);
  background: var(--bg);
}
.contact-section h2 { margin: 0; font-size: clamp(28px, 4vw, 44px); line-height: 1.2; }
.contact-section p { color: rgba(255,255,255,0.72); }
.contact-panel {
  display: grid;
  gap: 12px;
  padding: 32px;
  border-radius: 10px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
}
.contact-panel p { margin: 0; color: var(--white); font-weight: 800; font-size: 18px; }
.contact-panel a { color: var(--accent); font-weight: 700; }
.contact-panel span { color: rgba(255,255,255,0.55); font-size: 14px; }

/* ───── Footer ───── */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: rgba(255,255,255,0.5);
  background: #050b14;
  font-size: 14px;
}

/* ───── Responsive ───── */
@media (max-width: 1100px) {
  .advantage-cards { grid-template-columns: 1fr; }
  .team-layout { grid-template-columns: 1fr; }
}

@media (max-width: 980px) {
  .site-nav { display: none; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .hero-visual { min-height: 360px; }
  .strip, .process-grid { grid-template-columns: repeat(2, 1fr); }
  .contact-section { grid-template-columns: 1fr; }
  .capability-grid { grid-template-columns: 1fr; }
  .advantage-cards { grid-template-columns: 1fr; }
  .team-layout { grid-template-columns: 1fr; }
}

@media (max-width: 620px) {
  .site-header { height: 64px; padding: 0 16px; }
  .brand-text { font-size: 16px; }
  .nav-action { display: none; }
  .hero { padding-top: 48px; padding-bottom: 56px; }
  .hero h1 { font-size: 36px; }
  .hero-copy { font-size: 16px; }
  .hero-visual { min-height: 300px; }
  .signal-main { padding: 18px; }
  .signal-main strong { font-size: 18px; }
  .signal-mini { display: none; }
  .strip, .process-grid { grid-template-columns: 1fr; }
  .section-block, .solutions { padding-top: 64px; padding-bottom: 68px; }
  .site-footer { flex-direction: column; }
  .advantage-block { padding: 24px; }
  .org-branches { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: 1fr 1fr; }
}