/* ============ Reset & Base ============ */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: #06060c;
  color: #e8ebf5;
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font-family: inherit; cursor: pointer; border: 0; background: transparent; color: inherit; }

:root {
  --bg: #06060c;
  --bg-soft: #0c0d18;
  --bg-card: rgba(255,255,255,0.04);
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.14);
  --text: #e8ebf5;
  --text-dim: #9ba0b3;
  --text-mute: #6b7080;
  --grad-1: #7c5cff;
  --grad-2: #22d3ee;
  --grad-3: #f0abfc;
  --accent: #7c5cff;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 10px;
  --max: 1200px;
}

.container { max-width: var(--max); margin: 0 auto; padding: 0 24px; }

/* ============ Background ============ */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(ellipse at 20% 0%, rgba(124,92,255,0.18) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, rgba(34,211,238,0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(240,171,252,0.08) 0%, transparent 50%),
    linear-gradient(180deg, #06060c 0%, #08080f 100%);
}
.bg-grid::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}
.bg-orbs {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  overflow: hidden;
}
.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.45;
  animation: float 18s ease-in-out infinite;
}
.orb-1 { width: 480px; height: 480px; background: #7c5cff; top: -120px; left: -120px; }
.orb-2 { width: 380px; height: 380px; background: #22d3ee; top: 30%; right: -100px; animation-delay: -6s; }
.orb-3 { width: 420px; height: 420px; background: #f0abfc; bottom: -150px; left: 30%; animation-delay: -12s; opacity: 0.25; }
@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(40px, -30px) scale(1.05); }
  66% { transform: translate(-30px, 40px) scale(0.95); }
}

/* ============ Navigation ============ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  background: rgba(6,6,12,0.7);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 16px;
  padding-bottom: 16px;
}
.brand { display: inline-flex; align-items: center; gap: 10px; }
.brand-mark {
  width: 36px; height: 36px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(124,92,255,0.08);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-text strong { font-size: 16px; font-weight: 700; letter-spacing: 0.5px; }
.brand-text em { font-style: normal; font-size: 11px; color: var(--text-dim); margin-top: 2px; }

.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 500;
  transition: color .2s;
  position: relative;
}
.nav-links a:hover { color: var(--text); }
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -6px; left: 0;
  width: 0; height: 1.5px;
  background: linear-gradient(90deg, var(--grad-1), var(--grad-2));
  transition: width .3s;
}
.nav-links a:hover::after { width: 100%; }

.nav-cta {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px;
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  color: #fff;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 24px -8px rgba(124,92,255,0.6);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 8px 32px -8px rgba(124,92,255,0.8); }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
}
.nav-toggle span {
  width: 22px; height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: .25s;
}

/* ============ Hero ============ */
.hero {
  position: relative;
  padding: 80px 0 100px;
  overflow: hidden;
}
.hero-inner { position: relative; z-index: 2; max-width: 900px; text-align: center; }

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 6px 14px;
  background: rgba(124,92,255,0.08);
  border: 1px solid rgba(124,92,255,0.25);
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 500;
  color: #c9b8ff;
  margin-bottom: 24px;
}
.pulse {
  width: 8px; height: 8px;
  background: var(--grad-2);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(34,211,238,0.7);
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34,211,238,0.7); }
  70% { box-shadow: 0 0 0 12px rgba(34,211,238,0); }
  100% { box-shadow: 0 0 0 0 rgba(34,211,238,0); }
}

.hero-title {
  font-size: clamp(36px, 6vw, 72px);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 24px;
}
.gradient-text {
  background: linear-gradient(120deg, var(--grad-1), var(--grad-2) 50%, var(--grad-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  background-size: 200% 200%;
  animation: gradient-shift 6s ease infinite;
}
@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}
.hero-sub {
  font-size: clamp(15px, 1.6vw, 18px);
  color: var(--text-dim);
  margin: 0 auto 36px;
  max-width: 640px;
}

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

.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 22px;
  border-radius: 999px;
  font-size: 14.5px;
  font-weight: 600;
  transition: transform .2s, box-shadow .2s, background .2s, border-color .2s;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  color: #fff;
  box-shadow: 0 6px 28px -10px rgba(124,92,255,0.7);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 36px -10px rgba(124,92,255,0.9); }
.btn-ghost {
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border-strong);
  color: var(--text);
}
.btn-ghost:hover { background: rgba(255,255,255,0.08); border-color: rgba(255,255,255,0.25); }

.hero-stats {
  margin-top: 64px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 28px;
  background: rgba(255,255,255,0.025);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}
.stat { text-align: center; }
.stat-num {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff, #b8bdd0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1.1;
}
.stat-num i {
  font-style: normal;
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.stat-label { font-size: 13px; color: var(--text-dim); margin-top: 6px; }

/* Hero visual nodes (subtle decoration) */
.hero-visual {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.5;
}
.node-grid { position: absolute; inset: 0; }
.node {
  position: absolute;
  width: 6px; height: 6px;
  background: var(--grad-2);
  border-radius: 50%;
  box-shadow: 0 0 16px var(--grad-2);
  animation: blink 4s ease-in-out infinite;
}
.n1 { top: 20%; left: 8%; }
.n2 { top: 65%; left: 5%; animation-delay: -1s; }
.n3 { top: 30%; right: 8%; animation-delay: -2s; background: var(--grad-1); box-shadow: 0 0 16px var(--grad-1); }
.n4 { top: 75%; right: 12%; animation-delay: -3s; }
.n5 { top: 50%; left: 2%; animation-delay: -1.5s; background: var(--grad-3); box-shadow: 0 0 16px var(--grad-3); }
.n6 { top: 15%; right: 2%; animation-delay: -2.5s; }
@keyframes blink {
  0%, 100% { opacity: 0.3; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1.2); }
}

/* ============ Sections ============ */
.section { padding: 100px 0; position: relative; }
.section-alt {
  background: linear-gradient(180deg, transparent, rgba(255,255,255,0.015), transparent);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.eyebrow {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--grad-2);
  text-transform: uppercase;
  padding: 4px 12px;
  background: rgba(34,211,238,0.08);
  border: 1px solid rgba(34,211,238,0.2);
  border-radius: 999px;
  margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  line-height: 1.2;
}
.section-sub { color: var(--text-dim); font-size: 16px; margin: 0; }

/* ============ Services Grid ============ */
.grid-services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.card-svc {
  position: relative;
  padding: 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .3s, border-color .3s, background .3s;
  overflow: hidden;
}
.card-svc::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 0% 0%, rgba(124,92,255,0.12), transparent 60%);
  opacity: 0;
  transition: opacity .3s;
}
.card-svc:hover {
  transform: translateY(-4px);
  border-color: rgba(124,92,255,0.4);
  background: rgba(124,92,255,0.04);
}
.card-svc:hover::before { opacity: 1; }
.card-svc > * { position: relative; }

.card-ico {
  width: 48px; height: 48px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 12px;
  background: rgba(124,92,255,0.1);
  color: var(--grad-1);
  margin-bottom: 18px;
}
.card-ico svg { width: 24px; height: 24px; }
.ico-data { background: rgba(124,92,255,0.1); color: #a78bfa; }
.ico-privacy { background: rgba(34,211,238,0.1); color: #22d3ee; }
.ico-erp { background: rgba(245,158,11,0.1); color: #fbbf24; }
.ico-software { background: rgba(236,72,153,0.1); color: #f472b6; }
.ico-wms { background: rgba(16,185,129,0.1); color: #34d399; }
.ico-ai { background: rgba(99,102,241,0.1); color: #818cf8; }

.card-svc h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; letter-spacing: -0.01em; }
.card-svc p { font-size: 14.5px; color: var(--text-dim); margin: 0 0 16px; line-height: 1.6; }

.card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.card-tags span {
  font-size: 11.5px;
  padding: 3px 10px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--text-dim);
}

/* ============ About ============ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  align-items: start;
}
.about-grid .section-title { text-align: left; }
.lead { font-size: 17px; color: var(--text); margin: 16px 0; line-height: 1.7; }
.muted { color: var(--text-dim); font-size: 15px; }

.about-list { list-style: none; padding: 0; margin: 28px 0 0; display: grid; gap: 16px; }
.about-list li {
  padding-left: 22px;
  position: relative;
}
.about-list li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 10px; height: 10px;
  background: linear-gradient(135deg, var(--grad-1), var(--grad-2));
  border-radius: 3px;
  transform: rotate(45deg);
}
.about-list strong { display: block; font-size: 15.5px; margin-bottom: 4px; }
.about-list span { color: var(--text-dim); font-size: 14.5px; }

.about-panel {
  position: relative;
  padding: 36px 32px;
  background: linear-gradient(180deg, rgba(124,92,255,0.08), rgba(34,211,238,0.04));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.panel-glow {
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(circle at center, rgba(124,92,255,0.25), transparent 50%);
  animation: rotate 20s linear infinite;
  z-index: 0;
}
.about-panel > * { position: relative; z-index: 1; }
@keyframes rotate { to { transform: rotate(360deg); } }

.about-panel h4 {
  font-size: 13px; font-weight: 600; color: var(--grad-2);
  letter-spacing: 0.12em; text-transform: uppercase;
  margin: 0 0 16px;
}
.about-panel blockquote {
  margin: 0 0 28px;
  font-size: 22px;
  line-height: 1.5;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--text);
}
.panel-meta { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }
.panel-meta > div {
  padding: 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
}
.panel-meta span { display: block; font-size: 14px; font-weight: 600; }
.panel-meta i { font-style: normal; font-size: 11px; color: var(--text-mute); margin-top: 4px; display: block; }

/* ============ Cases ============ */
.grid-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case {
  padding: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  transition: transform .3s, border-color .3s, background .3s;
}
.case:hover {
  transform: translateY(-4px);
  border-color: rgba(34,211,238,0.4);
  background: rgba(34,211,238,0.04);
}
.case-tag {
  display: inline-block;
  font-size: 11.5px;
  padding: 3px 10px;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.25);
  color: #67e8f9;
  border-radius: 999px;
  margin-bottom: 16px;
}
.case h3 { font-size: 22px; font-weight: 700; margin: 0 0 8px; letter-spacing: -0.01em; }
.case p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* ============ Partners ============ */
.partner-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
}
.partner {
  padding: 22px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--text-dim);
  transition: all .25s;
  letter-spacing: 0.02em;
}
.partner:hover {
  color: var(--text);
  border-color: rgba(124,92,255,0.4);
  background: rgba(124,92,255,0.06);
  transform: translateY(-2px);
}

/* ============ Why ============ */
.grid-why {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.why {
  padding: 36px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}
.why-num {
  font-size: 56px;
  font-weight: 800;
  background: linear-gradient(180deg, rgba(124,92,255,0.4), rgba(124,92,255,0.05));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  line-height: 1;
  margin-bottom: 16px;
  letter-spacing: -0.04em;
}
.why h3 { font-size: 18px; font-weight: 700; margin: 0 0 10px; }
.why p { color: var(--text-dim); font-size: 14.5px; margin: 0; }

/* ============ Contact ============ */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.contact-wrap .section-title { text-align: left; }
.contact-list { margin-top: 32px; display: grid; gap: 12px; }
.contact-item {
  display: flex; align-items: center; gap: 16px;
  padding: 18px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  transition: all .25s;
}
a.contact-item:hover {
  border-color: rgba(124,92,255,0.4);
  background: rgba(124,92,255,0.05);
  transform: translateX(4px);
}
.ci-ico {
  width: 42px; height: 42px;
  display: inline-flex; align-items: center; justify-content: center;
  background: rgba(124,92,255,0.1);
  border-radius: 10px;
  color: var(--grad-1);
}
.ci-ico svg { width: 22px; height: 22px; }
.contact-item em { font-style: normal; font-size: 12px; color: var(--text-mute); display: block; }
.contact-item strong { display: block; font-size: 15px; font-weight: 600; margin-top: 2px; }

.contact-card {
  position: relative;
  padding: 36px 32px;
  background: linear-gradient(180deg, rgba(124,92,255,0.08), rgba(34,211,238,0.04));
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.contact-card > * { position: relative; z-index: 1; }
.contact-card h4 { margin: 0 0 6px; font-size: 22px; font-weight: 700; }
.contact-card .muted { margin: 0 0 22px; font-size: 14px; }
.contact-card label {
  display: block;
  margin-bottom: 14px;
}
.contact-card label > span {
  display: block;
  font-size: 12.5px;
  color: var(--text-dim);
  margin-bottom: 6px;
  font-weight: 500;
}
.contact-card input,
.contact-card textarea {
  width: 100%;
  padding: 11px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  outline: none;
  transition: border-color .2s, background .2s;
  resize: vertical;
}
.contact-card input:focus,
.contact-card textarea:focus {
  border-color: var(--grad-1);
  background: rgba(0,0,0,0.5);
}
.row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.row-2 label { margin-bottom: 0; }
.contact-card .btn { margin-top: 6px; }
.form-hint {
  margin-top: 14px;
  padding: 10px 14px;
  background: rgba(34,211,238,0.1);
  border: 1px solid rgba(34,211,238,0.3);
  border-radius: var(--radius-sm);
  color: #67e8f9;
  font-size: 13.5px;
}

/* ============ Footer ============ */
.footer {
  border-top: 1px solid var(--border);
  background: rgba(0,0,0,0.4);
  padding-top: 60px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1.2fr 2fr;
  gap: 40px;
  padding-bottom: 40px;
}
.footer-brand .brand { margin-bottom: 14px; }
.footer-brand .muted { font-size: 13.5px; max-width: 360px; }
.footer-cols { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.footer-cols h5 {
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 0 0 14px;
}
.footer-cols a, .footer-cols span {
  display: block;
  font-size: 14px;
  color: var(--text-dim);
  margin-bottom: 8px;
  transition: color .2s;
}
.footer-cols a:hover { color: var(--text); }
.footer-bottom {
  border-top: 1px solid var(--border);
  padding-top: 22px;
  padding-bottom: 22px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
  color: var(--text-mute);
}
.footer-bottom a { color: var(--text-mute); transition: color .2s; }
.footer-bottom a:hover { color: var(--text-dim); }

/* ============ Responsive ============ */
@media (max-width: 960px) {
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-toggle { display: flex; }
  .nav.open .nav-links {
    display: flex;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    padding: 20px 24px;
    background: rgba(6,6,12,0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
  }
  .grid-services, .grid-cases, .grid-why { grid-template-columns: repeat(2, 1fr); }
  .partner-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid, .contact-wrap { grid-template-columns: 1fr; gap: 40px; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .section { padding: 70px 0; }
  .hero { padding: 50px 0 70px; }
  .grid-services, .grid-cases, .grid-why { grid-template-columns: 1fr; }
  .partner-grid { grid-template-columns: repeat(2, 1fr); }
  .row-2 { grid-template-columns: 1fr; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .hero-stats { padding: 20px; }
  .panel-meta { grid-template-columns: 1fr; }
}