*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --bg: #06060b;
  --surface: #0d0d14;
  --surface-2: #13131f;
  --surface-hover: #1a1a2a;
  --border: #1a1a2e;
  --border-light: #252540;
  --text: #e8e8ed;
  --text-secondary: #a1a1b5;
  --muted: #6b6b80;
  --accent: #6366f1;
  --accent-light: #818cf8;
  --accent-soft: rgba(99, 102, 241, 0.08);
  --accent-glow: rgba(99, 102, 241, 0.15);
  --green: #10b981;
  --green-soft: rgba(16, 185, 129, 0.1);
  --red: #ef4444;
  --red-soft: rgba(239, 68, 68, 0.08);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
}
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg); color: var(--text);
  line-height: 1.65; -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
a { color: var(--accent-light); text-decoration: none; transition: color 0.2s; }
a:hover { color: #a5b4fc; }
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }

/* Animated grid background */
.grid-bg {
  position: fixed; top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    linear-gradient(rgba(99,102,241,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(99,102,241,0.03) 1px, transparent 1px);
  background-size: 64px 64px;
  pointer-events: none; z-index: 0;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 20%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 30%, black 20%, transparent 70%);
}

/* Animations */
[data-anim] { opacity: 0; transform: translateY(24px); transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1); }
[data-anim].visible { opacity: 1; transform: translateY(0); }

/* Nav */
nav {
  position: sticky; top: 0; z-index: 100;
  background: rgba(6,6,11,0.85); backdrop-filter: blur(20px) saturate(1.2);
  border-bottom: 1px solid var(--border);
}
.nav-inner { display: flex; justify-content: space-between; align-items: center; padding: 16px 0; }
.logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 17px; color: var(--text); }
.logo:hover { color: var(--text); }
.logo-icon { width: 20px; height: 20px; vertical-align: middle; flex-shrink: 0; }
.logo-mark { font-size: 20px; display: none; }
.nav-links { display: flex; align-items: center; gap: 32px; }
.nav-links a { color: var(--text-secondary); font-size: 14px; font-weight: 500; transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-demo { color: #10b981; font-weight: 600; }
.nav-demo:hover { text-decoration: none; opacity: 0.85; }
.nav-cta {
  background: var(--accent) !important; color: #fff !important; padding: 10px 22px;
  border-radius: var(--radius-xs); font-weight: 600 !important; transition: all 0.2s;
}
.nav-cta:hover { background: #4f46e5 !important; transform: translateY(-1px); }
.mobile-menu { display: none; background: none; border: none; color: var(--text); cursor: pointer; padding: 4px; }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 15px; cursor: pointer;
  border: none; transition: all 0.25s; text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: #4f46e5; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(99,102,241,0.25); }
.btn-ghost { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-light); }
.btn-ghost:hover { color: var(--text); border-color: var(--muted); background: var(--surface-2); }
.btn-lg { padding: 16px 36px; font-size: 16px; border-radius: 12px; }

/* Hero */
.hero {
  position: relative; padding: 120px 0 80px;
  text-align: center; z-index: 1;
}
.hero-badge {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 20px; border-radius: 100px;
  background: var(--accent-soft); border: 1px solid rgba(99,102,241,0.15);
  color: var(--accent-light); font-size: 13px; font-weight: 600;
  margin-bottom: 40px;
}
.badge-pulse {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--green); animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(16,185,129,0.4); }
  50% { box-shadow: 0 0 0 8px rgba(16,185,129,0); }
}
.hero h1 {
  font-size: clamp(38px, 5.5vw, 64px); font-weight: 900;
  line-height: 1.08; letter-spacing: -2px; margin-bottom: 24px;
}
.gradient-text {
  background: linear-gradient(135deg, var(--accent), #a78bfa, #818cf8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: 18px; color: var(--text-secondary);
  max-width: 560px; margin: 0 auto 40px; line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.tech-orbit {
  display: flex; flex-wrap: wrap; justify-content: center;
  gap: 10px; margin-top: 64px; max-width: 600px; margin-left: auto; margin-right: auto;
}
.tech-badge {
  padding: 6px 16px; border-radius: 100px;
  background: var(--surface-2); border: 1px solid var(--border);
  color: var(--muted); font-size: 12px; font-weight: 500;
  transition: all 0.3s;
}
.tech-badge:hover { color: var(--accent-light); border-color: var(--accent); background: var(--accent-soft); }

/* Proof bar */
.proof-bar {
  position: relative; z-index: 1;
  border-top: 1px solid var(--border); border-bottom: 1px solid var(--border);
  padding: 48px 0; background: var(--surface);
}
.proof-grid { display: flex; justify-content: center; align-items: center; gap: 48px; flex-wrap: wrap; }
.proof-item { text-align: center; }
.proof-value { font-size: 32px; font-weight: 900; color: var(--text); letter-spacing: -1px; }
.proof-plus { color: var(--accent); }
.proof-label { font-size: 13px; color: var(--muted); margin-top: 4px; }
.proof-divider { width: 1px; height: 40px; background: var(--border); }

/* Section common */
.section-label {
  font-size: 13px; text-transform: uppercase; letter-spacing: 3px;
  color: var(--accent); font-weight: 700; margin-bottom: 16px; text-align: center;
}
section h2 {
  font-size: clamp(28px, 3.5vw, 40px); font-weight: 800;
  text-align: center; margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-desc {
  text-align: center; color: var(--text-secondary); font-size: 16px;
  max-width: 640px; margin: 0 auto 48px;
}

/* Problem/Solution */
.problem { position: relative; z-index: 1; padding: 100px 0; }
.compare-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 800px; margin: 0 auto; }
.compare-card {
  padding: 32px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface);
}
.compare-icon { font-size: 24px; margin-bottom: 16px; }
.compare-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 20px; }
.compare-card ul { list-style: none; }
.compare-card li { font-size: 14px; padding: 8px 0; color: var(--text-secondary); display: flex; align-items: flex-start; gap: 10px; }
.compare-bad { border-color: rgba(239,68,68,0.15); background: var(--red-soft); }
.compare-bad h3 { color: var(--red); }
.compare-bad li::before { content: '✕'; color: var(--red); font-weight: 700; flex-shrink: 0; }
.compare-good { border-color: rgba(16,185,129,0.15); background: var(--green-soft); }
.compare-good h3 { color: var(--green); }
.compare-good li::before { content: '✓'; color: var(--green); font-weight: 700; flex-shrink: 0; }

/* Services */
.services { position: relative; z-index: 1; padding: 100px 0; }
.service-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.service-card {
  position: relative; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px; transition: all 0.3s;
}
.service-card:hover { border-color: var(--border-light); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(0,0,0,0.3); }
.service-card.featured { border-color: var(--accent); }
.service-card.featured::before {
  content: ''; position: absolute; inset: -1px; border-radius: var(--radius);
  background: linear-gradient(135deg, var(--accent), transparent 60%);
  z-index: -1; opacity: 0.1;
}
.service-badge {
  position: absolute; top: -12px; right: 24px;
  padding: 4px 14px; border-radius: 100px;
  background: var(--accent); color: #fff;
  font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
}
.service-number { font-size: 48px; font-weight: 900; color: var(--border-light); line-height: 1; margin-bottom: 8px; }
.service-tier { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--accent); font-weight: 700; margin-bottom: 12px; }
.service-card h3 { font-size: 22px; font-weight: 700; margin-bottom: 12px; }
.service-meta { display: flex; gap: 16px; margin-bottom: 16px; flex-wrap: wrap; }
.service-price { color: var(--green); font-weight: 700; font-size: 15px; }
.service-duration { color: var(--muted); font-size: 13px; display: flex; align-items: center; }
.service-card > p { color: var(--text-secondary); font-size: 14px; margin-bottom: 20px; }
.service-features { list-style: none; }
.service-features li {
  font-size: 14px; color: var(--text); padding: 8px 0;
  border-top: 1px solid var(--border); display: flex; align-items: center; gap: 10px;
}
.service-features li::before { content: '→'; color: var(--accent); font-weight: 600; }

/* Process / Timeline */
.process { position: relative; z-index: 1; padding: 100px 0; }
.timeline { max-width: 640px; margin: 48px auto 0; position: relative; }
.timeline::before {
  content: ''; position: absolute; left: 20px; top: 0; bottom: 0;
  width: 2px; background: linear-gradient(to bottom, var(--accent), var(--border));
}
.timeline-item { position: relative; padding-left: 64px; margin-bottom: 48px; }
.timeline-item:last-child { margin-bottom: 0; }
.timeline-marker {
  position: absolute; left: 8px; top: 0;
  width: 26px; height: 26px; border-radius: 50%;
  background: var(--accent); color: #fff;
  font-size: 12px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 0 0 4px var(--bg), 0 0 0 6px var(--accent);
}
.timeline-content h3 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.timeline-content p { color: var(--text-secondary); font-size: 14px; margin-bottom: 8px; }
.timeline-time {
  font-size: 12px; color: var(--accent); font-weight: 600;
  background: var(--accent-soft); padding: 3px 10px; border-radius: 100px;
}

/* Case Study */
.case-study { position: relative; z-index: 1; padding: 100px 0; }
.case-card {
  position: relative; max-width: 900px; margin: 0 auto;
  border-radius: 20px; overflow: hidden;
}
.case-glow {
  position: absolute; inset: -2px;
  background: linear-gradient(135deg, var(--accent), transparent 40%, transparent 60%, var(--accent-light));
  border-radius: 22px; opacity: 0.3; z-index: 0;
}
.case-inner {
  position: relative; z-index: 1;
  background: var(--surface); border-radius: 20px;
  padding: 48px; border: 1px solid var(--border);
}
.case-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 32px; flex-wrap: wrap; gap: 16px; }
.case-tag {
  display: inline-block; font-size: 11px; text-transform: uppercase; letter-spacing: 2px;
  color: var(--green); font-weight: 700; margin-bottom: 8px;
}
.case-header h3 { font-size: 28px; font-weight: 800; letter-spacing: -0.5px; }
.case-tagline { color: var(--text-secondary); font-size: 15px; margin-top: 4px; }
.case-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 32px; }
.case-stat {
  text-align: center; padding: 20px 12px;
  background: var(--bg); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.case-stat-value { font-size: 26px; font-weight: 900; color: var(--accent-light); }
.case-stat-label { font-size: 12px; color: var(--muted); margin-top: 4px; }
.case-tech h4 { font-size: 14px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-bottom: 16px; }
.case-tech-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.case-tech-item {
  padding: 20px; background: var(--bg); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.case-tech-item strong { display: block; font-size: 14px; color: var(--text); margin-bottom: 6px; }
.case-tech-item span { font-size: 13px; color: var(--muted); line-height: 1.5; }

/* Industries */
.industries { position: relative; z-index: 1; padding: 100px 0; }
.industry-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.industry-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; transition: all 0.3s; text-align: center;
}
.industry-card:hover { border-color: var(--border-light); transform: translateY(-2px); }
.industry-icon { font-size: 32px; margin-bottom: 16px; }
.industry-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.industry-card p { font-size: 13px; color: var(--muted); }

/* Final CTA */
.final-cta { position: relative; z-index: 1; padding: 100px 0; }
.cta-card {
  text-align: center; padding: 80px 48px;
  background: linear-gradient(135deg, var(--surface) 0%, rgba(99,102,241,0.05) 100%);
  border: 1px solid var(--border); border-radius: 24px;
  position: relative; overflow: hidden;
}
.cta-card::before {
  content: ''; position: absolute; top: -200px; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, rgba(99,102,241,0.08), transparent 70%);
  pointer-events: none;
}
.cta-card h2 { font-size: 36px; margin-bottom: 16px; }
.cta-card p { color: var(--text-secondary); font-size: 16px; max-width: 480px; margin: 0 auto 32px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* Footer */
footer {
  border-top: 1px solid var(--border); padding: 64px 0 40px;
  position: relative; z-index: 1;
}
.footer-inner { }
.footer-brand { margin-bottom: 32px; }
.footer-brand .logo { margin-bottom: 8px; }
.footer-brand p { color: var(--muted); font-size: 14px; }
.footer-links { display: flex; gap: 80px; margin-bottom: 48px; }
.footer-links h4 { font-size: 12px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-bottom: 16px; }
.footer-links a { display: block; color: var(--text-secondary); font-size: 14px; padding: 4px 0; }
.footer-links a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); padding-top: 24px; }
.footer-bottom p { color: var(--muted); font-size: 13px; }

/* Responsive */
@media (max-width: 768px) {
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 32px; letter-spacing: -1px; }
  .hero-sub { font-size: 16px; }
  .nav-links { display: none; position: fixed; top: 57px; left: 0; right: 0; bottom: 0; background: var(--bg); flex-direction: column; padding: 32px 24px; gap: 24px; border-top: 1px solid var(--border); }
  .nav-links.open { display: flex; }
  .nav-links a { font-size: 18px; }
  .mobile-menu { display: block; }
  .service-grid { grid-template-columns: 1fr; }
  .compare-grid { grid-template-columns: 1fr; }
  .case-stats { grid-template-columns: repeat(2, 1fr); }
  .case-tech-grid { grid-template-columns: 1fr; }
  .case-inner { padding: 24px; }
  .industry-grid { grid-template-columns: 1fr; }
  .proof-grid { gap: 24px; }
  .proof-divider { display: none; }
  .footer-links { flex-direction: column; gap: 32px; }
  .cta-card { padding: 48px 24px; }
}