:root {
  --bg: #030712;
  --bg-card: #0d1117;
  --bg-elevated: #131923;
  --border: rgba(255,255,255,0.06);
  --border-hover: rgba(99,179,237,0.4);
  --text-primary: #f0f6fc;
  --text-secondary: #adbac7;
  --text-muted: #8b949e;
  --accent: #63b3ed;
  --accent-2: #9f7aea;
  --accent-3: #48bb78;
  --accent-glow: rgba(99,179,237,0.15);
  --gradient-1: linear-gradient(135deg, #0078d4 0%, #7c3aed 100%);
  --gradient-2: linear-gradient(135deg, #7c3aed 0%, #2dd4bf 100%);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei UI", sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  overflow-x: hidden;
  line-height: 1.6;
}

::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: rgba(99,179,237,0.3); border-radius: 2px; }

#bg-canvas {
  position: fixed; top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0; pointer-events: none;
}
.page-wrap { position: relative; z-index: 1; }

/* ===================== NAV ===================== */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  padding: 0 5%; height: 68px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid transparent; transition: all 0.4s;
}
nav.scrolled {
  background: rgba(3,7,18,0.85);
  border-bottom-color: var(--border);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
}
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo-icon {
  width: 36px; height: 36px;
  background: var(--gradient-1); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px; font-weight: 700; color: white; letter-spacing: -1px;
  flex-shrink: 0; box-shadow: 0 0 20px rgba(0,120,212,0.4);
}
.nav-logo-text { display: flex; flex-direction: column; line-height: 1.2; }
.nav-logo-main { font-size: 16px; font-weight: 600; color: var(--text-primary); letter-spacing: 0.5px; }
.nav-logo-sub { font-size: 10px; color: var(--text-muted); letter-spacing: 1.5px; }
.nav-links { display: flex; align-items: center; gap: 32px; list-style: none; }
.nav-links a { color: var(--text-secondary); text-decoration: none; font-size: 14px; transition: color 0.2s; }
.nav-links a:hover { color: var(--text-primary); }
.nav-links a.active { color: var(--text-primary); }
.nav-cta {
  background: var(--gradient-1); color: white !important;
  padding: 8px 20px; border-radius: 8px; font-weight: 500; font-size: 14px;
  white-space: nowrap; box-shadow: 0 0 20px rgba(0,120,212,0.3);
  transition: all 0.3s !important;
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 0 30px rgba(0,120,212,0.5) !important; }

/* hamburger toggle (mobile only) */
.nav-toggle-cb { display: none; }
.nav-toggle {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 42px; height: 42px; background: transparent; border: 1px solid var(--border);
  border-radius: 10px; cursor: pointer; padding: 0; margin-left: 8px; flex-shrink: 0;
}
.nav-toggle span {
  display: block; width: 18px; height: 2px; background: var(--text-primary);
  margin: 0 auto; border-radius: 2px; transition: 0.3s;
}
.nav-toggle-cb:checked ~ .nav-links { display: flex; }

/* ===================== HERO ===================== */
.hero {
  min-height: 100vh; display: flex; align-items: center; justify-content: center;
  text-align: center; padding: 120px 5% 80px; position: relative;
}
.hero-inner { max-width: 900px; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid rgba(99,179,237,0.3); background: rgba(99,179,237,0.08);
  padding: 6px 16px; border-radius: 100px; font-size: 13px; color: var(--accent);
  margin-bottom: 32px; animation: fadeInUp 0.6s ease both;
}
.hero-badge-dot {
  width: 6px; height: 6px; background: var(--accent); border-radius: 50%;
  animation: pulse 2s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.5;transform:scale(1.3)} }

.hero h1 {
  font-size: clamp(36px, 6vw, 72px); font-weight: 700; line-height: 1.12;
  letter-spacing: -1.5px; margin-bottom: 24px; animation: fadeInUp 0.6s ease 0.1s both;
}
.hero h1 .gradient-text {
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero h1 .gradient-text-2 {
  background: linear-gradient(90deg, #63b3ed, #9f7aea, #f687b3);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-desc {
  font-size: clamp(16px, 2vw, 20px); color: var(--text-secondary);
  max-width: 640px; margin: 0 auto 48px; line-height: 1.7;
  animation: fadeInUp 0.6s ease 0.2s both;
}
.hero-actions {
  display: flex; align-items: center; justify-content: center; gap: 16px;
  flex-wrap: wrap; animation: fadeInUp 0.6s ease 0.3s both;
}
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--gradient-1); color: white;
  padding: 14px 32px; border-radius: 10px; font-size: 15px; font-weight: 600;
  text-decoration: none; box-shadow: 0 0 40px rgba(0,120,212,0.35); transition: all 0.3s;
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 0 60px rgba(0,120,212,0.5); }
.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  border: 1px solid var(--border); color: var(--text-secondary);
  padding: 14px 32px; border-radius: 10px; font-size: 15px;
  text-decoration: none; transition: all 0.3s; background: rgba(255,255,255,0.02);
}
.btn-secondary:hover {
  border-color: var(--border-hover); color: var(--text-primary);
  background: rgba(99,179,237,0.05);
}
.hero-stats {
  display: flex; align-items: center; justify-content: center; gap: 48px;
  margin-top: 72px; padding-top: 48px; border-top: 1px solid var(--border);
  flex-wrap: wrap; animation: fadeInUp 0.6s ease 0.4s both;
}
.hero-stat { text-align: center; }
.hero-stat-value {
  font-size: 32px; font-weight: 700;
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
  line-height: 1; margin-bottom: 6px;
}
.hero-stat-label { font-size: 13px; color: var(--text-muted); }
.hero-stat-divider { width: 1px; height: 40px; background: var(--border); }

@keyframes fadeInUp { from{opacity:0;transform:translateY(20px)} to{opacity:1;transform:translateY(0)} }

/* ===================== SECTIONS COMMON ===================== */
section { padding: 100px 5%; position: relative; }
.section-label {
  font-size: 12px; font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 16px;
}
.section-title {
  font-size: clamp(28px, 4vw, 44px); font-weight: 700;
  letter-spacing: -0.5px; line-height: 1.15; margin-bottom: 20px;
}
.section-desc {
  font-size: 17px; color: var(--text-secondary);
  max-width: 560px; line-height: 1.75;
}

/* ===================== VERSION TAG ===================== */
.version-tags { display: flex; gap: 6px; margin-top: 16px; }
.version-tag {
  font-size: 11px; padding: 3px 10px; border-radius: 100px;
  font-weight: 600; letter-spacing: 0.5px;
}
.vt-s { background: rgba(99,179,237,0.1); color: #63b3ed; border: 1px solid rgba(99,179,237,0.2); }
.vt-p { background: rgba(159,122,234,0.1); color: #c4b5fd; border: 1px solid rgba(159,122,234,0.2); }
.vt-x { background: rgba(72,187,120,0.1); color: #68d391; border: 1px solid rgba(72,187,120,0.2); }

/* ===================== FEATURES GRID ===================== */
.features-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1px; background: var(--border);
  border: 1px solid var(--border); border-radius: 16px;
  overflow: hidden; margin-top: 64px;
}
.feature-card {
  background: var(--bg-card); padding: 32px 24px;
  transition: background 0.3s; cursor: default;
  position: relative; overflow: hidden;
}
.feature-card::before {
  content: ''; position: absolute; top: 0; left: 0;
  width: 100%; height: 2px; background: var(--gradient-1);
  transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
}
.feature-card:hover { background: var(--bg-elevated); }
.feature-card:hover::before { transform: scaleX(1); }
.feature-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 16px;
}
.fi-blue { background: rgba(0,120,212,0.12); }
.fi-purple { background: rgba(124,58,237,0.12); }
.fi-teal { background: rgba(45,212,191,0.12); }
.fi-green { background: rgba(72,187,120,0.12); }
.fi-orange { background: rgba(251,146,60,0.12); }
.fi-pink { background: rgba(246,135,179,0.12); }
.fi-cyan { background: rgba(34,211,238,0.12); }
.fi-amber { background: rgba(251,191,36,0.12); }
.fi-red { background: rgba(248,113,113,0.12); }
.fi-indigo { background: rgba(99,102,241,0.12); }
.fi-sky { background: rgba(56,189,248,0.12); }
.fi-lime { background: rgba(132,204,22,0.12); }
.fi-violet { background: rgba(139,92,246,0.12); }
.feature-card h3 { font-size: 16px; font-weight: 600; margin-bottom: 8px; color: var(--text-primary); }
.feature-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }
.feature-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 12px; }
.tag {
  font-size: 11px; padding: 3px 10px; border-radius: 100px;
  border: 1px solid var(--border); color: var(--text-muted);
}

/* ===================== METRICS SECTION ===================== */
.metrics-section { background: linear-gradient(180deg, transparent 0%, rgba(0,120,212,0.04) 50%, transparent 100%); }
.metrics-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; }
.metric-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px 24px; text-align: center;
  position: relative; overflow: hidden; transition: all 0.3s;
}
.metric-card::after {
  content: ''; position: absolute; bottom: 0; left: 0; right: 0;
  height: 1px; background: var(--gradient-1);
  transform: scaleX(0); transition: transform 0.4s;
}
.metric-card:hover { border-color: rgba(99,179,237,0.2); transform: translateY(-4px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); }
.metric-card:hover::after { transform: scaleX(1); }
.metric-number {
  font-size: 44px; font-weight: 700; letter-spacing: -1px;
  line-height: 1; margin-bottom: 8px;
}
.metric-unit { font-size: 20px; font-weight: 400; }
.metric-label { font-size: 14px; color: var(--text-secondary); margin-top: 4px; }
.metric-desc { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ===================== TIER COMPARISON (replaces solutions) ===================== */
.tiers-grid {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 24px; margin-top: 64px;
}
.tier-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; padding: 36px 28px; position: relative;
  overflow: hidden; transition: all 0.4s;
}
.tier-card:hover { transform: translateY(-4px); box-shadow: 0 24px 48px rgba(0,0,0,0.4); }
.tier-card.featured {
  background: linear-gradient(145deg, #0a1628 0%, #0f2240 100%);
  border: 1px solid rgba(0,120,212,0.4);
  box-shadow: 0 0 60px rgba(0,120,212,0.1);
}
.tier-badge {
  position: absolute; top: 12px; left: 50%; transform: translateX(-50%);
  background: var(--gradient-1); color: white;
  font-size: 11px; font-weight: 700; letter-spacing: 1px;
  padding: 4px 18px; border-radius: 100px; white-space: nowrap;
}
.tier-code {
  font-size: 13px; font-weight: 600; letter-spacing: 2px;
  text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px;
}
.tier-name { font-size: 24px; font-weight: 700; margin-bottom: 4px; }
.tier-sub { font-size: 14px; color: var(--accent); margin-bottom: 20px; font-weight: 500; }
.tier-desc {
  font-size: 13px; color: var(--text-secondary); line-height: 1.75; margin-bottom: 24px;
}
.tier-modules { list-style: none; margin-bottom: 24px; }
.tier-modules li {
  font-size: 13px; color: var(--text-secondary); padding: 9px 0;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 10px;
}
.tier-modules li:last-child { border-bottom: none; }
.tier-check { color: var(--accent-3); font-size: 14px; flex-shrink: 0; }
.tier-scenario {
  margin-top: 16px; padding: 16px; border-radius: 12px;
  background: rgba(99,179,237,0.05); border: 1px solid rgba(99,179,237,0.1);
}
.tier-scenario-label {
  font-size: 11px; font-weight: 600; letter-spacing: 1px;
  text-transform: uppercase; color: var(--accent); margin-bottom: 6px;
}
.tier-scenario-text { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }

/* ===================== AI SECTION ===================== */
.ai-section {
  background: linear-gradient(180deg, transparent 0%, rgba(159,122,234,0.04) 50%, transparent 100%);
}
.ai-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 64px;
}
.ai-capabilities {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px;
}
.ai-cap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 20px;
  transition: all 0.3s; position: relative; overflow: hidden;
}
.ai-cap:hover { border-color: rgba(159,122,234,0.3); transform: translateY(-3px); }
.ai-cap-icon { font-size: 28px; margin-bottom: 12px; }
.ai-cap h4 { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.ai-cap p { font-size: 12px; color: var(--text-secondary); line-height: 1.6; }
.ai-cap .ai-badge-new {
  position: absolute; top: 12px; right: 12px;
  font-size: 9px; font-weight: 700; letter-spacing: 1px;
  padding: 2px 8px; border-radius: 4px;
  background: rgba(159,122,234,0.2); color: #c4b5fd;
}
.ai-compare-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 28px; overflow: hidden;
}
.ai-compare-card h3 {
  font-size: 18px; font-weight: 700; margin-bottom: 6px;
}
.ai-compare-card > p { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.ai-compare-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.ai-compare-table th {
  text-align: left; padding: 10px 12px; font-weight: 600;
  color: var(--text-muted); letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border);
}
.ai-compare-table td {
  padding: 10px 12px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.ai-compare-table tr:last-child td { border-bottom: none; }
.ai-compare-table .ai-cell {
  color: var(--accent-3); font-weight: 600;
}
.ai-compare-table .no-cell { color: var(--text-muted); }
.ai-exclusive {
  margin-top: 20px; padding: 14px 18px; border-radius: 10px;
  background: rgba(72,187,120,0.08); border: 1px solid rgba(72,187,120,0.15);
  font-size: 13px; color: var(--accent-3); font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}

/* ===================== PRICING ===================== */
.pricing-intro {
  display: flex; align-items: center; justify-content: center;
  gap: 48px; margin-top: 48px; margin-bottom: 48px;
  flex-wrap: wrap;
}
.pricing-intro-item { text-align: center; }
.pricing-intro-num {
  font-size: 28px; font-weight: 700;
  background: var(--gradient-1); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.pricing-intro-arrow { font-size: 28px; color: var(--text-muted); }

.pricing-table-wrap {
  margin-top: 32px; overflow-x: auto; border-radius: 16px;
  border: 1px solid var(--border);
}
.pricing-table {
  width: 100%; border-collapse: collapse; font-size: 13px; min-width: 600px;
}
.pricing-table thead { background: var(--bg-elevated); }
.pricing-table th {
  padding: 14px 16px; text-align: center; font-weight: 600;
  letter-spacing: 0.5px; color: var(--text-secondary);
  border-bottom: 1px solid var(--border);
}
.pricing-table th:first-child { text-align: left; }
.pricing-table th.highlight { color: var(--accent); }
.pricing-table td {
  padding: 12px 16px; text-align: center; color: var(--text-secondary);
  border-bottom: 1px solid var(--border); transition: background 0.2s;
}
.pricing-table td:first-child { text-align: left; color: var(--text-primary); font-weight: 500; }
.pricing-table tr:hover td { background: rgba(99,179,237,0.03); }
.pricing-table tr:last-child td { border-bottom: none; }
.pricing-table td.highlight { color: var(--accent); font-weight: 700; font-size: 15px; }
.pricing-table td.free-mobile {
  font-size: 11px; color: var(--accent-3); font-weight: 500;
}
.pricing-table .tier-badge {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 10px; font-weight: 700; letter-spacing: 1px;
  position: static; transform: none;
}
.tb-s { background: rgba(99,179,237,0.15); color: #63b3ed; }
.tb-p { background: rgba(159,122,234,0.15); color: #c4b5fd; }
.tb-x { background: rgba(72,187,120,0.15); color: #68d391; }

.pricing-service {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px;
  margin-top: 48px;
}
.service-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px; text-align: center;
}
.service-card h4 { font-size: 15px; font-weight: 600; margin-bottom: 8px; }
.service-card .service-value {
  font-size: 28px; font-weight: 700; margin-bottom: 4px;
}
.service-card .service-value.green { color: var(--accent-3); }
.service-card .service-value.blue { color: var(--accent); }
.service-card .service-value.purple { color: var(--accent-2); }
.service-card p { font-size: 12px; color: var(--text-muted); }

.pricing-roi {
  margin-top: 48px; padding: 32px 36px; border-radius: 16px;
  background: linear-gradient(135deg, rgba(0,120,212,0.06) 0%, rgba(124,58,237,0.06) 100%);
  border: 1px solid rgba(99,179,237,0.1);
}
.pricing-roi h3 { font-size: 18px; font-weight: 700; margin-bottom: 16px; }
.roi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.roi-item { text-align: center; }
.roi-item .roi-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 4px; }
.roi-item .roi-value { font-size: 20px; font-weight: 700; color: var(--accent); }
.roi-item .roi-sub { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.roi-note { font-size: 12px; color: var(--text-muted); margin-top: 20px; line-height: 1.7; }

/* ===================== ARCHITECTURE ===================== */
.arch-section { overflow: hidden; }
.arch-diagram { margin-top: 64px; position: relative; }
.arch-layers { display: flex; flex-direction: column; gap: 12px; }
.arch-layer {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 28px;
  display: flex; align-items: center; gap: 24px;
  transition: all 0.3s; position: relative; overflow: hidden;
}
.arch-layer:hover { border-color: var(--border-hover); background: var(--bg-elevated); }
.arch-layer-label {
  width: 150px; flex-shrink: 0; font-size: 12px;
  font-weight: 600; letter-spacing: 2px; text-transform: uppercase;
}
.arch-layer-desc { font-size: 12px; color: var(--text-muted); margin-top: 8px; letter-spacing: 0; text-transform: none; line-height: 1.5; font-weight: 400; }
.arch-layer-items { display: flex; flex-wrap: wrap; gap: 8px; flex: 1; }
.arch-chip {
  font-size: 12px; padding: 5px 14px; border-radius: 8px;
  background: rgba(255,255,255,0.04); border: 1px solid var(--border);
  color: var(--text-secondary); transition: all 0.2s;
}
.arch-chip:hover { background: rgba(99,179,237,0.08); border-color: rgba(99,179,237,0.3); color: var(--accent); }
.arch-layer-line {
  position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; border-radius: 0 3px 3px 0;
}

/* ===================== ABOUT ===================== */
.about-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.about-visual { position: relative; }
.about-card-main {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px; position: relative; overflow: hidden;
}
.about-card-main::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0;
  height: 2px; background: var(--gradient-1);
}
.about-company-name { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.about-company-sub { font-size: 13px; color: var(--text-muted); margin-bottom: 24px; }
.about-info-row {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 0;
  border-bottom: 1px solid var(--border);
}
.about-info-row:last-child { border-bottom: none; }
.about-info-icon {
  width: 32px; height: 32px; background: rgba(99,179,237,0.1);
  border-radius: 8px; display: flex; align-items: center; justify-content: center;
  font-size: 15px; flex-shrink: 0;
}
.about-info-label { font-size: 11px; color: var(--text-muted); letter-spacing: 1px; text-transform: uppercase; margin-bottom: 2px; }
.about-info-value { font-size: 14px; color: var(--text-primary); }
.about-float-card {
  position: absolute; bottom: -24px; right: -24px;
  background: var(--bg-elevated); border: 1px solid var(--border);
  border-radius: 16px; padding: 20px 24px; min-width: 180px;
}
.about-float-num {
  font-size: 36px; font-weight: 700;
  background: var(--gradient-2); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text; line-height: 1;
}
.about-float-label { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.about-content .section-desc { max-width: 100%; }
.about-values { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
.about-value {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px; transition: all 0.3s;
}
.about-value:hover { border-color: var(--border-hover); }
.about-value-icon { font-size: 24px; margin-bottom: 8px; }
.about-value-title { font-size: 14px; font-weight: 600; margin-bottom: 6px; }
.about-value-desc { font-size: 12px; color: var(--text-muted); line-height: 1.6; }

/* ===================== CONTACT ===================== */
.contact-section { background: linear-gradient(180deg, transparent 0%, rgba(124,58,237,0.03) 50%, transparent 100%); }
.contact-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: start; }
.contact-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; display: flex; gap: 20px;
  align-items: flex-start; margin-bottom: 16px; transition: all 0.3s;
}
.contact-card:hover { border-color: rgba(99,179,237,0.2); transform: translateX(4px); }
.contact-card-icon {
  width: 44px; height: 44px; background: rgba(99,179,237,0.1);
  border: 1px solid rgba(99,179,237,0.2); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; flex-shrink: 0;
}
.contact-card-label { font-size: 11px; font-weight: 600; letter-spacing: 2px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.contact-card-value { font-size: 16px; font-weight: 500; color: var(--text-primary); }
.contact-qr {
  width: 180px; height: auto; margin-top: 12px; background: #fff;
  border-radius: 12px; padding: 10px; box-shadow: 0 6px 18px rgba(0,0,0,.12);
}
.contact-qr svg, .contact-qr img { width: 100%; height: auto; display: block; border-radius: 6px; }
.contact-form-wrap {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 20px; padding: 40px;
}
.contact-form-wrap h3 { font-size: 20px; font-weight: 700; margin-bottom: 8px; }
.contact-form-wrap p { font-size: 14px; color: var(--text-secondary); margin-bottom: 28px; }
.form-group { margin-bottom: 16px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: block; font-size: 12px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 8px; }
input, select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--border);
  border-radius: 10px; padding: 12px 16px; color: var(--text-primary);
  font-size: 14px; font-family: inherit; outline: none; transition: all 0.3s;
}
input:focus, select:focus, textarea:focus { border-color: rgba(99,179,237,0.4); box-shadow: 0 0 0 3px rgba(99,179,237,0.08); }
select option { background: var(--bg-card); }
textarea { resize: vertical; min-height: 100px; }
.form-submit {
  width: 100%; background: var(--gradient-1); color: white; border: none;
  padding: 14px; border-radius: 10px; font-size: 15px; font-weight: 600;
  cursor: pointer; margin-top: 8px; transition: all 0.3s;
  box-shadow: 0 0 30px rgba(0,120,212,0.3);
}
.form-submit:hover { transform: translateY(-2px); box-shadow: 0 0 50px rgba(0,120,212,0.5); }

/* ===================== FOOTER ===================== */
footer { border-top: 1px solid var(--border); padding: 48px 5%; }
.footer-inner { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-top: 16px; line-height: 1.75; max-width: 280px; }
.footer-col h4 { font-size: 13px; font-weight: 600; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-secondary); margin-bottom: 20px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 12px; }
.footer-col a { font-size: 14px; color: var(--text-muted); text-decoration: none; transition: color 0.2s; }
.footer-col a:hover { color: var(--text-secondary); }
.footer-bottom {
  padding-top: 32px; border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
.footer-bottom p { font-size: 13px; color: var(--text-muted); }

/* ===================== CTA BANNER ===================== */
.cta-banner { text-align: center; }
.cta-banner .section-title { margin-bottom: 28px; }

/* ===================== SECTION DIVIDER ===================== */
.gradient-line { height: 1px; background: linear-gradient(90deg, transparent, var(--accent-glow), transparent); margin: 0 5%; }

/* ===================== SCROLL ANIMATIONS ===================== */
.fade-in { opacity: 0; transform: translateY(30px); transition: all 0.7s ease; }
.fade-in.visible { opacity: 1; transform: translateY(0); }
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

.text-gradient { background: var(--gradient-1); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.text-gradient-2 { background: var(--gradient-2); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

/* ===================== MOBILE SHOWCASE ===================== */
.mobile-showcase { background: linear-gradient(180deg, transparent 0%, rgba(99,179,237,0.04) 50%, transparent 100%); }
.mobile-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; margin-top: 64px; }
.mobile-points { display: flex; flex-direction: column; gap: 22px; }
.mobile-point { display: flex; gap: 16px; align-items: flex-start; }
.mobile-point-icon {
  width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0;
  background: rgba(99,179,237,0.1); border: 1px solid rgba(99,179,237,0.2);
  display: flex; align-items: center; justify-content: center; font-size: 20px;
}
.mobile-point h4 { font-size: 16px; font-weight: 600; margin-bottom: 4px; }
.mobile-point p { font-size: 13px; color: var(--text-secondary); line-height: 1.65; }
.mobile-device {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 30px;
  padding: 18px; max-width: 300px; margin: 0 auto; position: relative;
  box-shadow: 0 30px 60px rgba(0,0,0,0.4);
}
.mobile-device-notch { width: 64px; height: 6px; background: var(--border); border-radius: 3px; margin: 4px auto 18px; }
.mobile-device-screen { background: var(--bg); border-radius: 18px; padding: 22px 18px; min-height: 440px; }
.mobile-app-bar { font-size: 15px; font-weight: 700; margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.mobile-app-line { height: 10px; border-radius: 5px; background: rgba(255,255,255,0.05); margin-bottom: 14px; }
.mobile-app-line.w90 { width: 90%; } .mobile-app-line.w70 { width: 70%; } .mobile-app-line.w50 { width: 50%; }
.mobile-app-chip {
  display: inline-block; font-size: 11px; padding: 5px 11px; border-radius: 7px;
  background: rgba(99,179,237,0.12); color: var(--accent); margin: 6px 6px 0 0;
}
.mobile-app-card {
  background: rgba(255,255,255,0.03); border: 1px solid var(--border);
  border-radius: 12px; padding: 14px; margin-top: 16px;
}
.mobile-app-card-title { font-size: 13px; font-weight: 600; margin-bottom: 8px; }
.mobile-app-row { display: flex; justify-content: space-between; font-size: 11px; color: var(--text-muted); padding: 6px 0; border-bottom: 1px solid var(--border); }
.mobile-app-row:last-child { border-bottom: none; }
.mobile-app-row b { color: var(--accent-3); font-weight: 600; }

/* ===================== VALUE / WHY US ===================== */
.value-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-top: 64px; }
.value-card {
  background: var(--bg-card); border: 1px solid var(--border); border-radius: 16px;
  padding: 32px 24px; position: relative; overflow: hidden; transition: all 0.3s;
}
.value-card:hover { border-color: var(--border-hover); transform: translateY(-4px); }
.value-card::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 2px;
  background: var(--gradient-2); transform: scaleX(0); transform-origin: left; transition: transform 0.4s;
}
.value-card:hover::before { transform: scaleX(1); }
.value-icon { font-size: 28px; margin-bottom: 16px; }
.value-card h4 { font-size: 16px; font-weight: 600; margin-bottom: 10px; }
.value-card p { font-size: 13px; color: var(--text-secondary); line-height: 1.7; }

/* ===================== RESPONSIVE ===================== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }
  .tiers-grid { grid-template-columns: 1fr; }
  .ai-grid { grid-template-columns: 1fr; }
  .ai-capabilities { grid-template-columns: repeat(2, 1fr); }
  .pricing-service { grid-template-columns: 1fr; }
  .roi-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; gap: 48px; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .mobile-grid { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  nav { padding: 0 5%; position: relative; }
  .nav-toggle { display: flex; }
  .nav-links {
    display: none; flex-direction: column; align-items: stretch; gap: 0;
    position: absolute; top: 68px; left: 0; right: 0; margin: 0;
    background: rgba(3,7,18,0.97); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border); padding: 8px 5% 16px;
  }
  .nav-links li { width: 100%; }
  .nav-links a { padding: 14px 0; font-size: 15px; border-bottom: 1px solid var(--border); }
  .nav-links li:last-child a { border-bottom: none; }
  .nav-links a.nav-cta { margin-top: 12px; text-align: center; border-bottom: none; }
  section { padding: 72px 5%; }
  .hero { padding: 100px 5% 64px; }
  .hero-stats { gap: 24px; }
  .hero-stat-divider { display: none; }
  .features-grid { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr 1fr; }
  .ai-capabilities { grid-template-columns: 1fr; }
  .about-float-card { display: none; }
  .footer-inner { grid-template-columns: 1fr; gap: 32px; }
  .about-values { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .value-grid { grid-template-columns: 1fr; }
}