@font-face {
  font-family: 'Manrope';
  src: local('Manrope');
}

:root {
  --navy-950: #070f1f;
  --navy-900: #0b1830;
  --navy-800: #122140;
  --blue-600: #2f6fed;
  --blue-500: #4a84f5;
  --cyan-400: #4fd1e8;
  --ink: #101b30;
  --slate-700: #33415a;
  --slate-500: #647089;
  --slate-300: #b6bfd1;
  --slate-100: #f3f5f9;
  --white: #ffffff;
  --border: #e4e8f0;
  --border-dark: rgba(255, 255, 255, 0.1);

  --font-latin: 'Manrope', 'Noto Sans SC', sans-serif;
  --font-cn: 'Noto Sans SC', 'Manrope', -apple-system, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, monospace;

  --container: 1160px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-cn);
  color: var(--ink);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

.wrap {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 32px;
}

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

/* ---------- Header ---------- */

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(7, 15, 31, 0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-dark);
}

.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-latin);
  font-weight: 800;
  font-size: 18px;
  color: var(--white);
  letter-spacing: 0.01em;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--blue-500), var(--cyan-400));
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-cn);
  font-weight: 700;
  font-size: 17px;
  color: var(--navy-950);
  flex: none;
}

.brand-name-cn { font-weight: 800; }
.brand-name-en {
  display: block;
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--slate-300);
  text-transform: uppercase;
  margin-top: 2px;
}

nav.main-nav {
  display: flex;
  align-items: center;
  gap: 40px;
}

nav.main-nav a {
  font-size: 14.5px;
  color: var(--slate-300);
  font-weight: 500;
  transition: color 0.2s ease;
}

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

.nav-cta {
  padding: 10px 22px;
  border-radius: 8px;
  background: var(--blue-600);
  color: var(--white) !important;
  font-weight: 600;
  font-size: 14px;
  transition: background 0.2s ease, transform 0.2s ease;
}

.nav-cta:hover { background: var(--blue-500); transform: translateY(-1px); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--white);
  display: block;
}

/* ---------- Hero ---------- */

.hero {
  position: relative;
  background: radial-gradient(ellipse 80% 60% at 70% -10%, rgba(47, 111, 237, 0.35), transparent),
              linear-gradient(180deg, var(--navy-950) 0%, var(--navy-900) 100%);
  padding: 176px 0 120px;
  overflow: hidden;
  color: var(--white);
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: linear-gradient(180deg, transparent, rgba(0,0,0,0.85) 40%, transparent 90%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-400);
  border: 1px solid rgba(79, 209, 232, 0.35);
  background: rgba(79, 209, 232, 0.08);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 28px;
}

.eyebrow::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-400);
  box-shadow: 0 0 8px var(--cyan-400);
}

.hero h1 {
  font-size: 50px;
  line-height: 1.22;
  font-weight: 800;
  margin: 0 0 24px;
  text-wrap: balance;
  letter-spacing: -0.01em;
}

.hero h1 em {
  font-style: normal;
  background: linear-gradient(90deg, var(--cyan-400), var(--blue-500));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero p.lead {
  font-size: 17.5px;
  color: var(--slate-300);
  max-width: 560px;
  margin: 0 0 40px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 72px;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 9px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.2s ease;
  border: 1px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--blue-600);
  color: var(--white);
}
.btn-primary:hover { background: var(--blue-500); transform: translateY(-2px); box-shadow: 0 10px 30px -8px rgba(47, 111, 237, 0.6); }

.btn-ghost {
  border-color: rgba(255,255,255,0.22);
  color: var(--white);
}
.btn-ghost:hover { border-color: rgba(255,255,255,0.5); background: rgba(255,255,255,0.04); }

.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
  max-width: 900px;
}

.stat {
  background: rgba(255,255,255,0.02);
  padding: 22px 20px;
}

.stat .num {
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 500;
  color: var(--white);
  display: block;
}
.stat .num span { color: var(--cyan-400); }

.stat .label {
  font-size: 12.5px;
  color: var(--slate-300);
  margin-top: 4px;
}

/* ---------- Sections generic ---------- */

section { padding: 108px 0; }
section.tight { padding: 90px 0; }

.section-head {
  max-width: 620px;
  margin: 0 0 56px;
}

.section-head .kicker {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--blue-600);
  font-weight: 600;
  margin-bottom: 12px;
  display: block;
}

.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  margin: 0 0 14px;
  color: var(--ink);
  text-wrap: balance;
}

.section-head p {
  color: var(--slate-500);
  font-size: 15.5px;
  margin: 0;
}

.section-head.on-dark h2 { color: var(--white); }
.section-head.on-dark p { color: var(--slate-300); }
.section-head.on-dark .kicker { color: var(--cyan-400); }

/* ---------- Products ---------- */

.products {
  background: var(--slate-100);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.product-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 32px 28px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px -20px rgba(16, 27, 48, 0.25);
  border-color: rgba(47, 111, 237, 0.3);
}

.product-icon {
  width: 46px;
  height: 46px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--navy-900), var(--blue-600));
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
}

.product-icon svg { width: 22px; height: 22px; stroke: var(--white); }

.product-tag {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--blue-600);
  background: rgba(47, 111, 237, 0.08);
  padding: 3px 9px;
  border-radius: 5px;
  display: inline-block;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.product-card h3 {
  font-size: 19px;
  margin: 0 0 10px;
  font-weight: 700;
}

.product-card p {
  color: var(--slate-500);
  font-size: 14.5px;
  margin: 0 0 18px;
}

.product-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

.product-card li {
  font-size: 13.5px;
  color: var(--slate-700);
  padding-left: 18px;
  position: relative;
  margin-bottom: 8px;
}

.product-card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--cyan-400);
  transform: rotate(45deg);
}

/* ---------- Advantages ---------- */

.adv-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}

.adv-item {
  background: var(--white);
  padding: 36px;
  display: flex;
  gap: 20px;
}

.adv-num {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--slate-300);
  font-weight: 600;
  flex: none;
  padding-top: 3px;
}

.adv-item h3 {
  font-size: 17px;
  margin: 0 0 8px;
  font-weight: 700;
}

.adv-item p {
  font-size: 14px;
  color: var(--slate-500);
  margin: 0;
}

/* ---------- About / team ---------- */

.about {
  background: linear-gradient(180deg, var(--navy-950), var(--navy-900));
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 64px;
  align-items: center;
}

.about-copy p {
  color: var(--slate-300);
  font-size: 15.5px;
  margin: 0 0 18px;
}

.about-list {
  list-style: none;
  padding: 0;
  margin: 28px 0 0;
  display: grid;
  gap: 14px;
}

.about-list li {
  display: flex;
  gap: 12px;
  font-size: 14.5px;
  color: var(--slate-300);
}

.about-list li::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--cyan-400);
  margin-top: 8px;
  flex: none;
}

.about-panel {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-dark);
  border-radius: 16px;
  padding: 40px;
}

.about-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px 20px;
}

.about-stats .num {
  font-family: var(--font-mono);
  font-size: 34px;
  font-weight: 500;
  color: var(--cyan-400);
  display: block;
}

.about-stats .label {
  font-size: 13px;
  color: var(--slate-300);
  margin-top: 4px;
}

.dept-bars { margin-top: 32px; display: grid; gap: 14px; }

.dept-bar-row {
  display: grid;
  grid-template-columns: 84px 1fr 34px;
  align-items: center;
  gap: 12px;
  font-size: 12.5px;
  color: var(--slate-300);
}

.dept-bar-track {
  height: 6px;
  background: rgba(255,255,255,0.08);
  border-radius: 4px;
  overflow: hidden;
}

.dept-bar-fill {
  height: 100%;
  border-radius: 4px;
  background: linear-gradient(90deg, var(--blue-600), var(--cyan-400));
}

.dept-bar-row .pct { font-family: var(--font-mono); text-align: right; color: var(--white); }

/* ---------- CTA band ---------- */

.cta-band {
  background: var(--white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-band .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 56px 32px;
  gap: 40px;
}

.cta-band h2 {
  font-size: 24px;
  margin: 0 0 6px;
  font-weight: 800;
}

.cta-band p { margin: 0; color: var(--slate-500); font-size: 14.5px; }

.cta-band .btn-primary { flex: none; }

/* ---------- Contact ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.contact-info {
  display: grid;
  gap: 24px;
  align-content: start;
}

.contact-row {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}

.contact-row .ic {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--slate-100);
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
}
.contact-row .ic svg { width: 18px; height: 18px; stroke: var(--blue-600); }

.contact-row .label { font-size: 12.5px; color: var(--slate-500); margin-bottom: 3px; }
.contact-row .value { font-size: 15.5px; font-weight: 600; color: var(--ink); }
.contact-row .value.muted { font-weight: 400; color: var(--slate-500); font-size: 13.5px; }

.contact-form {
  background: var(--slate-100);
  border-radius: 16px;
  padding: 36px;
}

.form-row { margin-bottom: 18px; }
.form-row label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--slate-700);
  margin-bottom: 8px;
}
.form-row input, .form-row textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: var(--white);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14.5px;
  font-family: inherit;
  color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus {
  outline: none;
  border-color: var(--blue-600);
  box-shadow: 0 0 0 3px rgba(47, 111, 237, 0.15);
}
.form-row textarea { resize: vertical; min-height: 96px; }

.contact-form .btn-primary { width: 100%; justify-content: center; }

/* ---------- Footer ---------- */

footer {
  background: var(--navy-950);
  color: var(--slate-300);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--border-dark);
}

.footer-brand p {
  font-size: 13.5px;
  color: var(--slate-500);
  margin: 16px 0 0;
  max-width: 280px;
}

.footer-col h4 {
  font-size: 13px;
  color: var(--white);
  margin: 0 0 16px;
  font-weight: 600;
}

.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer-col a { font-size: 13.5px; color: var(--slate-500); transition: color 0.2s; }
.footer-col a:hover { color: var(--white); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  padding-top: 24px;
  font-size: 12.5px;
  color: var(--slate-500);
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- Reveal animation ---------- */

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  nav.main-nav { display: none; }
  .nav-toggle { display: flex; }
  .hero h1 { font-size: 36px; }
  .stat-row { grid-template-columns: repeat(2, 1fr); }
  .product-grid { grid-template-columns: 1fr; }
  .adv-grid { grid-template-columns: 1fr; }
  .about-grid { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .cta-band .wrap { flex-direction: column; align-items: flex-start; }
  section { padding: 72px 0; }
}