:root {
  --primary: #0066ff;
  --primary-glow: rgba(0, 102, 255, 0.5);
  --accent: #00d4ff;
  --accent-glow: rgba(0, 212, 255, 0.4);
  --purple: #7c3aed;
  --dark: #050a14;
  --dark-2: #0a1628;
  --dark-3: #111d32;
  --text: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dark: #1e293b;
  --border: rgba(0, 212, 255, 0.15);
  --border-light: #e2e8f0;
  --glass: rgba(10, 22, 40, 0.65);
  --glass-light: rgba(255, 255, 255, 0.05);
  --radius: 12px;
  --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: "PingFang SC", "Microsoft YaHei", -apple-system, sans-serif;
  color: var(--text-dark);
  line-height: 1.7;
  background: #f0f4f8;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* ===== Loader ===== */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--dark);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transition: opacity 0.6s, visibility 0.6s;
}

.loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }

.loader-ring {
  width: 56px;
  height: 56px;
  border: 2px solid rgba(0, 212, 255, 0.15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loader-text {
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  color: var(--accent);
  letter-spacing: 3px;
}

.loader-bar {
  width: 200px;
  height: 2px;
  background: rgba(0, 212, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
}

.loader-bar-fill {
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  animation: loadBar 1.8s ease forwards;
}

@keyframes spin { to { transform: rotate(360deg); } }
@keyframes loadBar { to { width: 100%; } }

/* ===== Header ===== */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: all var(--transition);
}

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

.header .container { max-width: 1240px; }

.header:not(.scrolled) {
  background: transparent;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background: rgba(5, 10, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  font-size: 1.15rem;
  color: #fff;
}

.logo-icon {
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  font-weight: 800;
  box-shadow: 0 0 20px var(--primary-glow);
  position: relative;
}

.logo-icon::after {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  z-index: -1;
  opacity: 0.4;
  filter: blur(8px);
}

.nav { display: flex; gap: 8px; }

.nav a {
  padding: 8px 16px;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  border-radius: 6px;
  transition: all var(--transition);
  position: relative;
}

.nav a:hover, .nav a.active {
  color: var(--accent);
  background: rgba(0, 212, 255, 0.08);
}

.nav a.active::before {
  content: "";
  position: absolute;
  bottom: 4px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--accent);
}

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  transition: var(--transition);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: var(--dark);
  overflow: hidden;
  padding: 100px 0 60px;
}

#particle-canvas {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 70% 40%, rgba(0, 102, 255, 0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 50% at 20% 80%, rgba(0, 212, 255, 0.08) 0%, transparent 50%);
  z-index: 1;
  pointer-events: none;
}

.scan-line {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 255, 0.015) 2px,
    rgba(0, 212, 255, 0.015) 4px
  );
}

.hero-layout {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-content { max-width: 600px; }

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 18px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.25);
  border-radius: 100px;
  color: var(--accent);
  font-size: 0.82rem;
  font-family: "Courier New", monospace;
  margin-bottom: 28px;
  letter-spacing: 1px;
}

.hero-badge .dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  box-shadow: 0 0 10px #22c55e;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero h1 {
  font-size: clamp(2.4rem, 5vw, 3.6rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.2;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 .gradient {
  background: linear-gradient(135deg, #00d4ff 0%, #0066ff 50%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero h1 .cursor {
  display: inline-block;
  width: 3px;
  height: 0.85em;
  background: var(--accent);
  margin-left: 4px;
  vertical-align: text-bottom;
  animation: blink 1s step-end infinite;
}

@keyframes blink { 50% { opacity: 0; } }

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-muted);
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn-glow {
  background: linear-gradient(135deg, var(--primary), #0052cc);
  color: #fff;
  box-shadow: 0 0 30px rgba(0, 102, 255, 0.3);
}

.btn-glow::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent, rgba(255,255,255,0.15), transparent);
  transform: translateX(-100%);
  transition: transform 0.5s;
}

.btn-glow:hover::before { transform: translateX(100%); }
.btn-glow:hover {
  box-shadow: 0 0 40px rgba(0, 102, 255, 0.5);
  transform: translateY(-2px);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
  border: 1px solid rgba(0, 212, 255, 0.35);
}

.btn-ghost:hover {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.15);
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(0, 212, 255, 0.12);
}

.stat-item strong {
  display: block;
  font-size: 1.9rem;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
}

.stat-item strong .unit { font-size: 0.9rem; color: var(--accent); }
.stat-item span { font-size: 0.82rem; color: var(--text-muted); }

/* Hero Visual */
.hero-visual {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 480px;
}

.orbit-system {
  position: relative;
  width: 360px;
  height: 360px;
}

.orbit-center {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 100px;
  height: 100px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 900;
  color: #fff;
  box-shadow: 0 0 60px var(--primary-glow), 0 0 120px rgba(0, 212, 255, 0.2);
  z-index: 3;
}

.orbit-ring {
  position: absolute;
  top: 50%; left: 50%;
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.orbit-ring-1 { width: 200px; height: 200px; animation: orbitSpin 20s linear infinite; }
.orbit-ring-2 { width: 280px; height: 280px; animation: orbitSpin 30s linear infinite reverse; }
.orbit-ring-3 { width: 360px; height: 360px; animation: orbitSpin 40s linear infinite; }

@keyframes orbitSpin { to { transform: translate(-50%, -50%) rotate(360deg); } }

.orbit-dot {
  position: absolute;
  width: 10px;
  height: 10px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent);
}

.orbit-ring-1 .orbit-dot { top: -5px; left: 50%; transform: translateX(-50%); }
.orbit-ring-2 .orbit-dot { bottom: -5px; left: 50%; transform: translateX(-50%); background: var(--primary); box-shadow: 0 0 12px var(--primary); }
.orbit-ring-3 .orbit-dot { top: 50%; right: -5px; transform: translateY(-50%); background: var(--purple); box-shadow: 0 0 12px var(--purple); }

.floating-card {
  position: absolute;
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 18px;
  font-size: 0.78rem;
  color: var(--text-muted);
  animation: float 6s ease-in-out infinite;
  z-index: 4;
}

.floating-card strong {
  display: block;
  color: var(--accent);
  font-size: 1.1rem;
  font-family: "Courier New", monospace;
  margin-bottom: 2px;
}

.floating-card-1 { top: 20px; right: -20px; animation-delay: 0s; }
.floating-card-2 { bottom: 60px; left: -30px; animation-delay: -2s; }
.floating-card-3 { top: 50%; right: -40px; animation-delay: -4s; }

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

/* ===== Ticker ===== */
.ticker {
  background: var(--dark-2);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  overflow: hidden;
  position: relative;
}

.ticker::before, .ticker::after {
  content: "";
  position: absolute;
  top: 0; bottom: 0;
  width: 80px;
  z-index: 2;
}

.ticker::before { left: 0; background: linear-gradient(90deg, var(--dark-2), transparent); }
.ticker::after { right: 0; background: linear-gradient(-90deg, var(--dark-2), transparent); }

.ticker-track {
  display: flex;
  gap: 48px;
  animation: ticker 30s linear infinite;
  width: max-content;
}

.ticker-item {
  display: flex;
  align-items: center;
  gap: 10px;
  white-space: nowrap;
  font-size: 0.85rem;
  color: var(--text-muted);
  font-family: "Courier New", monospace;
}

.ticker-item .tag {
  padding: 2px 8px;
  background: rgba(0, 212, 255, 0.1);
  border: 1px solid rgba(0, 212, 255, 0.2);
  border-radius: 4px;
  color: var(--accent);
  font-size: 0.75rem;
}

@keyframes ticker {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ===== Section Common ===== */
section { padding: 100px 0; position: relative; }

.section-dark {
  background: var(--dark);
  color: var(--text);
}

.section-dark-2 { background: var(--dark-2); color: var(--text); }

.section-light { background: #f0f4f8; }

.section-header { text-align: center; margin-bottom: 64px; }

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.2);
  color: var(--accent);
  border-radius: 100px;
  font-size: 0.8rem;
  font-family: "Courier New", monospace;
  letter-spacing: 2px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.section-dark .section-tag, .section-dark-2 .section-tag {
  background: rgba(0, 212, 255, 0.08);
  color: var(--accent);
}

.section-light .section-tag {
  background: rgba(0, 102, 255, 0.08);
  border-color: rgba(0, 102, 255, 0.2);
  color: var(--primary);
}

.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 800;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-dark .section-header h2,
.section-dark-2 .section-header h2 { color: #fff; }

.section-header p {
  color: var(--text-muted);
  max-width: 560px;
  margin: 0 auto;
}

.section-light .section-header p { color: #64748b; }

.section-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== About ===== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text h3 {
  font-size: 1.4rem;
  color: #fff;
  margin-bottom: 20px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  font-size: 0.95rem;
}

.terminal {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 28px;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: rgba(0, 212, 255, 0.05);
  border-bottom: 1px solid var(--border);
}

.terminal-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}

.terminal-dot:nth-child(1) { background: #ef4444; }
.terminal-dot:nth-child(2) { background: #f59e0b; }
.terminal-dot:nth-child(3) { background: #22c55e; }

.terminal-title {
  margin-left: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
  font-family: "Courier New", monospace;
}

.terminal-body {
  padding: 20px;
  font-family: "Courier New", monospace;
  font-size: 0.82rem;
  line-height: 2;
}

.terminal-line { color: var(--text-muted); }
.terminal-line .key { color: var(--accent); }
.terminal-line .val { color: #a5f3fc; }
.terminal-line .prompt { color: #22c55e; }

.about-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}

.glass-card:hover::before { opacity: 1; }
.glass-card:hover {
  border-color: rgba(0, 212, 255, 0.35);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.3);
}

.glass-card .icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
  color: var(--accent);
}

.glass-card h4 { color: #fff; font-size: 1rem; margin-bottom: 8px; }
.glass-card p { color: var(--text-muted); font-size: 0.85rem; }

.glass-card-wide { grid-column: 1 / -1; }

/* ===== Tech Stack ===== */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 16px;
}

.tech-item {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px 16px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}

.tech-item:hover {
  border-color: var(--accent);
  box-shadow: 0 0 24px rgba(0, 212, 255, 0.15);
  transform: translateY(-4px);
}

.tech-item .tech-icon {
  font-size: 2rem;
  margin-bottom: 10px;
}

.tech-item span {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: block;
}

/* ===== Services ===== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
}

.service-card::after {
  content: "";
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  transform: scaleX(0);
  transition: transform var(--transition);
}

.service-card:hover::after { transform: scaleX(1); }

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 50px rgba(0, 102, 255, 0.12);
  border-color: transparent;
}

.service-num {
  font-family: "Courier New", monospace;
  font-size: 0.75rem;
  color: var(--primary);
  margin-bottom: 16px;
  opacity: 0.6;
}

.service-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.08), rgba(0, 212, 255, 0.08));
  color: var(--primary);
}

.service-card h3 { font-size: 1.1rem; margin-bottom: 10px; color: var(--text-dark); }
.service-card p { font-size: 0.88rem; color: #64748b; line-height: 1.7; }

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 16px;
}

.service-tags span {
  padding: 3px 10px;
  background: rgba(0, 102, 255, 0.06);
  color: var(--primary);
  border-radius: 4px;
  font-size: 0.72rem;
  font-weight: 500;
}

/* ===== Solutions ===== */
.solutions-tabs {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 10px 24px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text-muted);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.tab-btn:hover { border-color: rgba(0, 212, 255, 0.4); color: var(--accent); }

.tab-btn.active {
  background: rgba(0, 212, 255, 0.1);
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: 0 0 20px rgba(0, 212, 255, 0.1);
}

.solution-panel { display: none; }
.solution-panel.active { display: block; animation: fadeIn 0.4s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.solution-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.solution-info h3 {
  font-size: 1.6rem;
  color: #fff;
  margin-bottom: 16px;
}

.solution-info p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 0.95rem;
}

.solution-features {
  list-style: none;
  display: grid;
  gap: 12px;
}

.solution-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text);
}

.solution-features li::before {
  content: "▸";
  color: var(--accent);
  font-size: 0.8rem;
}

.solution-visual {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  position: relative;
  min-height: 300px;
}

.data-bars {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  height: 180px;
  padding-top: 20px;
}

.data-bar {
  flex: 1;
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border-radius: 4px 4px 0 0;
  opacity: 0.7;
  transition: height 1s ease;
  position: relative;
}

.data-bar::after {
  content: attr(data-label);
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.7rem;
  color: var(--text-muted);
  white-space: nowrap;
}

.data-bar-label {
  text-align: center;
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
  color: var(--accent);
  margin-bottom: 16px;
}

/* ===== Dashboard Stats ===== */
.stats-dashboard {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.dash-card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.dash-card::before {
  content: "";
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: conic-gradient(from 0deg, transparent, rgba(0, 212, 255, 0.03), transparent 30%);
  animation: dashRotate 8s linear infinite;
}

@keyframes dashRotate { to { transform: rotate(360deg); } }

.dash-card-inner { position: relative; z-index: 1; }

.dash-value {
  font-size: 2.4rem;
  font-weight: 900;
  color: #fff;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  margin-bottom: 8px;
}

.dash-value .suffix { font-size: 1rem; color: var(--accent); }

.dash-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.dash-trend {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 10px;
  padding: 3px 10px;
  background: rgba(34, 197, 94, 0.1);
  color: #22c55e;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* ===== Advantages ===== */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.advantage-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  position: relative;
}

.advantage-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.advantage-num {
  font-size: 3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
  opacity: 0.3;
}

.advantage-card h4 { font-size: 1.05rem; margin-bottom: 10px; color: var(--text-dark); }
.advantage-card p { font-size: 0.85rem; color: #64748b; }

/* ===== Timeline ===== */
.timeline {
  position: relative;
  max-width: 700px;
  margin: 0 auto;
}

.timeline::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 0; bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, var(--accent), var(--primary), transparent);
}

.timeline-item {
  position: relative;
  padding-left: 56px;
  padding-bottom: 40px;
}

.timeline-item:last-child { padding-bottom: 0; }

.timeline-dot {
  position: absolute;
  left: 12px;
  top: 4px;
  width: 18px;
  height: 18px;
  background: var(--dark);
  border: 2px solid var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 12px var(--accent-glow);
}

.timeline-year {
  font-family: "Courier New", monospace;
  font-size: 0.85rem;
  color: var(--accent);
  margin-bottom: 6px;
}

.timeline-item h4 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
.timeline-item p { color: var(--text-muted); font-size: 0.9rem; }

/* ===== Contact ===== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-panel {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 36px;
}

.contact-panel h3 {
  color: #fff;
  font-size: 1.4rem;
  margin-bottom: 28px;
}

.contact-list { list-style: none; }

.contact-list li {
  display: flex;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid rgba(0, 212, 255, 0.08);
}

.contact-list li:last-child { border-bottom: none; }

.contact-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 212, 255, 0.08);
  border: 1px solid rgba(0, 212, 255, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-list strong {
  display: block;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 4px;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.contact-list span, .contact-list a {
  font-weight: 600;
  color: #fff;
  font-size: 0.95rem;
}

.contact-list a:hover { color: var(--accent); }

.map-panel {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  min-height: 400px;
}

.map-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 212, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 212, 255, 0.05) 1px, transparent 1px);
  background-size: 30px 30px;
}

.map-content {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 400px;
  text-align: center;
  padding: 40px;
}

.map-pin {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(0, 212, 255, 0.1);
  border: 2px solid var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  margin-bottom: 20px;
  animation: mapPulse 2s ease infinite;
}

@keyframes mapPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0, 212, 255, 0.3); }
  50% { box-shadow: 0 0 0 20px rgba(0, 212, 255, 0); }
}

.map-content h4 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
.map-content p { color: var(--text-muted); font-size: 0.9rem; }

.map-coords {
  margin-top: 20px;
  font-family: "Courier New", monospace;
  font-size: 0.78rem;
  color: var(--accent);
  padding: 8px 16px;
  background: rgba(0, 212, 255, 0.06);
  border: 1px solid rgba(0, 212, 255, 0.15);
  border-radius: 6px;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: var(--text-muted);
  padding: 60px 0 28px;
  border-top: 1px solid var(--border);
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-brand .logo { margin-bottom: 16px; }

.footer-brand p {
  font-size: 0.88rem;
  line-height: 1.8;
  max-width: 320px;
}

.footer h4 {
  color: #fff;
  font-size: 0.9rem;
  margin-bottom: 20px;
  letter-spacing: 1px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 0.88rem; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid rgba(0, 212, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}

.footer-bottom a {
  color: var(--text-muted);
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-layout { grid-template-columns: 1fr; text-align: center; }
  .hero-visual { display: none; }
  .hero-content { max-width: 100%; margin: 0 auto; }
  .hero-actions, .hero-stats { justify-content: center; }
  .tech-grid { grid-template-columns: repeat(3, 1fr); }
  .stats-dashboard { grid-template-columns: repeat(2, 1fr); }
  .solution-content { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .services-grid { grid-template-columns: 1fr; }
  .advantages-grid { grid-template-columns: repeat(2, 1fr); }
  .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .about-cards { grid-template-columns: 1fr; }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .nav {
    display: none;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    background: rgba(5, 10, 20, 0.95);
    backdrop-filter: blur(20px);
    padding: 16px;
    gap: 4px;
    border-bottom: 1px solid var(--border);
  }

  .nav.open { display: flex; }
  .nav a { padding: 12px 16px; }
  .menu-toggle { display: flex; }
  .advantages-grid, .stats-dashboard { grid-template-columns: 1fr; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}