/* ITOps V4 Landing Page - Modern Dark Theme */

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #0f1629;
  --bg-card: #131a2e;
  --bg-card-hover: #1a2340;
  --cyan: #06b6d4;
  --cyan-dark: #0891b2;
  --cyan-glow: rgba(6, 182, 212, 0.15);
  --cyan-glow-strong: rgba(6, 182, 212, 0.3);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border: rgba(255, 255, 255, 0.06);
  --border-hover: rgba(6, 182, 212, 0.3);
  --green: #22c55e;
  --red: #ef4444;
  --orange: #f59e0b;
  --gradient-hero: linear-gradient(135deg, #0a0e1a 0%, #0c1a2e 40%, #0a1628 100%);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary); color: var(--text-secondary); line-height: 1.6;
}
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Animations */
.fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }
.fade-up.delay-1 { transition-delay: 0.1s; }
.fade-up.delay-2 { transition-delay: 0.2s; }
.fade-up.delay-3 { transition-delay: 0.3s; }
.fade-up.delay-4 { transition-delay: 0.4s; }
.fade-up.delay-5 { transition-delay: 0.5s; }

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  padding: 16px 0; transition: all 0.3s ease;
}
.navbar.scrolled {
  background: rgba(10, 14, 26, 0.92); backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border); padding: 10px 0;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo { font-size: 22px; font-weight: 800; color: var(--text-primary); text-decoration: none; letter-spacing: -0.5px; }
.logo span { color: var(--cyan); }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a {
  color: var(--text-secondary); text-decoration: none; font-size: 14px;
  font-weight: 500; transition: color 0.2s;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-cta {
  background: var(--cyan); color: var(--bg-primary) !important; padding: 8px 20px;
  border-radius: 8px; font-weight: 600; transition: all 0.2s;
}
.nav-cta:hover { background: var(--cyan-dark); transform: translateY(-1px); }
.lang-switch {
  display: flex; gap: 4px; background: rgba(255,255,255,0.05);
  border-radius: 6px; padding: 2px; margin-left: 8px;
}
.lang-switch a {
  padding: 4px 10px; border-radius: 4px; font-size: 12px;
  font-weight: 600; color: var(--text-muted) !important; text-decoration: none; transition: all 0.2s;
}
.lang-switch a.active { background: var(--cyan); color: var(--bg-primary) !important; }
.mobile-menu-btn {
  display: none; background: none; border: none; color: var(--text-primary);
  font-size: 24px; cursor: pointer;
}
.mobile-menu {
  display: none; padding: 16px 0; background: rgba(10, 14, 26, 0.98);
  border-bottom: 1px solid var(--border);
}
.mobile-menu.active { display: block; }
.mobile-menu a {
  display: block; padding: 12px 24px; color: var(--text-secondary);
  text-decoration: none; font-size: 15px; transition: color 0.2s;
}
.mobile-menu a:hover { color: var(--cyan); }

/* Hero */
.hero {
  background: var(--gradient-hero); padding: 160px 0 100px;
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -20%;
  width: 800px; height: 800px; border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 1; max-width: 720px; }
.hero-badge {
  display: inline-block; background: var(--cyan-glow);
  border: 1px solid var(--border-hover); padding: 6px 16px;
  border-radius: 20px; font-size: 13px; color: var(--cyan);
  font-weight: 500; margin-bottom: 24px;
}
.hero h1 {
  font-size: clamp(36px, 5vw, 60px); font-weight: 800; line-height: 1.08;
  color: var(--text-primary); margin-bottom: 20px; letter-spacing: -1.5px;
}
.hero h1 em { font-style: normal; color: var(--cyan); }
.hero p {
  font-size: 18px; color: var(--text-secondary); margin-bottom: 36px;
  max-width: 560px; line-height: 1.7;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.btn-primary {
  background: var(--cyan); color: var(--bg-primary); padding: 14px 28px;
  border-radius: 10px; font-weight: 700; font-size: 15px; text-decoration: none;
  transition: all 0.2s; display: inline-flex; align-items: center; gap: 8px;
  border: none; cursor: pointer;
}
.btn-primary:hover { background: var(--cyan-dark); transform: translateY(-2px); box-shadow: 0 8px 24px var(--cyan-glow-strong); }
.btn-secondary {
  background: transparent; color: var(--text-primary); padding: 14px 28px;
  border-radius: 10px; font-weight: 600; font-size: 15px; text-decoration: none;
  border: 1px solid rgba(255,255,255,0.15); transition: all 0.2s; cursor: pointer;
}
.btn-secondary:hover { border-color: var(--cyan); color: var(--cyan); }

/* Stats Bar */
.stats-bar {
  background: var(--bg-secondary); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border); padding: 40px 0;
}
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
.stat-item .stat-value { font-size: 28px; font-weight: 800; color: var(--cyan); }
.stat-item .stat-label { font-size: 14px; color: var(--text-muted); margin-top: 4px; }

/* Section Common */
section { padding: 100px 0; }
.section-header { text-align: center; margin-bottom: 64px; }
.section-header h2 {
  font-size: clamp(28px, 3vw, 40px); font-weight: 800;
  color: var(--text-primary); margin-bottom: 16px; letter-spacing: -0.5px;
}
.section-header p { font-size: 17px; color: var(--text-secondary); max-width: 600px; margin: 0 auto; }

/* Features Grid */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.feature-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 32px; transition: all 0.3s ease;
}
.feature-card:hover { border-color: var(--border-hover); background: var(--bg-card-hover); transform: translateY(-4px); }
.feature-icon {
  width: 48px; height: 48px; border-radius: 12px; display: flex;
  align-items: center; justify-content: center; margin-bottom: 20px;
  font-size: 24px; background: var(--cyan-glow); color: var(--cyan);
}
.feature-card h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; }
.feature-card p { font-size: 14px; color: var(--text-muted); line-height: 1.7; }

/* How It Works */
.steps-section { background: var(--bg-secondary); }
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; position: relative; }
.steps-grid::before {
  content: ''; position: absolute; top: 28px; left: 15%; right: 15%;
  height: 2px; background: linear-gradient(90deg, var(--cyan-glow), var(--cyan), var(--cyan-glow));
}
.step { text-align: center; position: relative; }
.step-num {
  width: 56px; height: 56px; border-radius: 50%; background: var(--cyan);
  color: var(--bg-primary); font-size: 22px; font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px; position: relative; z-index: 1;
}
.step h3 { font-size: 18px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.step p { font-size: 14px; color: var(--text-muted); }

/* Audience Sections */
.audience-section { position: relative; }
.audience-section.alt { background: var(--bg-secondary); }
.audience-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.audience-content h2 {
  font-size: 32px; font-weight: 800; color: var(--text-primary);
  margin-bottom: 16px; letter-spacing: -0.5px;
}
.audience-content .lead { font-size: 17px; color: var(--text-secondary); margin-bottom: 24px; line-height: 1.7; }
.benefit-list { list-style: none; margin-bottom: 24px; }
.benefit-list li {
  padding: 10px 0; font-size: 15px; color: var(--text-secondary);
  display: flex; align-items: flex-start; gap: 12px;
}
.benefit-list .icon { color: var(--cyan); font-size: 18px; flex-shrink: 0; margin-top: 2px; }
.audience-quote {
  font-size: 18px; font-weight: 600; color: var(--cyan);
  font-style: italic; border-left: 3px solid var(--cyan); padding-left: 20px;
}
.audience-visual {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 40px; text-align: center;
}
.audience-visual .big-icon { font-size: 64px; margin-bottom: 16px; }
.audience-visual h3 { color: var(--text-primary); font-size: 20px; margin-bottom: 8px; }
.audience-visual p { color: var(--text-muted); font-size: 14px; }

/* Comparison Table */
.comparison-section { background: var(--bg-secondary); }
.comparison-table { width: 100%; border-collapse: collapse; border-radius: 12px; overflow: hidden; }
.comparison-table th, .comparison-table td {
  padding: 14px 20px; text-align: center; font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.comparison-table thead th {
  background: var(--bg-card); color: var(--text-primary); font-weight: 700;
  font-size: 15px; padding: 18px 20px;
}
.comparison-table thead th:first-child { text-align: left; }
.comparison-table thead th.highlight-col { color: var(--cyan); }
.comparison-table tbody td { color: var(--text-secondary); }
.comparison-table tbody td:first-child { text-align: left; font-weight: 600; color: var(--text-primary); }
.comparison-table tbody tr:hover { background: rgba(6, 182, 212, 0.03); }
.check { color: var(--green); font-weight: 700; }
.cross { color: var(--text-muted); }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.price-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 16px; padding: 36px; text-align: center; transition: all 0.3s;
}
.price-card.featured {
  border-color: var(--cyan); position: relative;
  box-shadow: 0 0 40px var(--cyan-glow);
}
.price-badge {
  position: absolute; top: -12px; left: 50%; transform: translateX(-50%);
  background: var(--cyan); color: var(--bg-primary); padding: 4px 16px;
  border-radius: 12px; font-size: 12px; font-weight: 700;
}
.price-card h3 { font-size: 22px; font-weight: 700; color: var(--text-primary); margin-bottom: 8px; }
.price-amount { font-size: 42px; font-weight: 800; color: var(--cyan); margin: 16px 0; }
.price-amount small { font-size: 16px; color: var(--text-muted); font-weight: 400; }
.price-desc { font-size: 14px; color: var(--text-muted); margin-bottom: 24px; }
.price-features { list-style: none; text-align: left; margin-bottom: 28px; }
.price-features li {
  padding: 8px 0; font-size: 14px; color: var(--text-secondary);
  display: flex; align-items: center; gap: 10px;
}
.price-features li::before { content: '\2713'; color: var(--cyan); font-weight: 700; }

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #0c1a2e 100%);
  text-align: center; position: relative; overflow: hidden;
}
.cta-section::before {
  content: ''; position: absolute; bottom: -40%; left: 50%; transform: translateX(-50%);
  width: 600px; height: 600px; border-radius: 50%;
  background: radial-gradient(circle, var(--cyan-glow) 0%, transparent 70%);
}
.cta-section h2 {
  font-size: clamp(28px, 3vw, 40px); font-weight: 800;
  color: var(--text-primary); margin-bottom: 16px; position: relative;
}
.cta-section p { color: var(--text-secondary); margin-bottom: 32px; font-size: 17px; position: relative; }
.cta-code {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 12px; padding: 20px 28px; display: inline-block;
  font-family: 'JetBrains Mono', 'Fira Code', monospace; font-size: 14px;
  color: var(--cyan); margin-bottom: 32px; position: relative;
}
.cta-btns { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; }

/* Footer */
footer {
  background: var(--bg-primary); border-top: 1px solid var(--border);
  padding: 64px 0 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand p { font-size: 14px; color: var(--text-muted); margin-top: 12px; line-height: 1.7; }
footer h4 {
  color: var(--text-primary); font-size: 13px; font-weight: 600;
  margin-bottom: 16px; text-transform: uppercase; letter-spacing: 1px;
}
footer a {
  color: var(--text-muted); text-decoration: none; font-size: 14px;
  display: block; padding: 4px 0; transition: color 0.2s;
}
footer a:hover { color: var(--cyan); }
.footer-bottom {
  border-top: 1px solid var(--border); padding-top: 24px;
  display: flex; justify-content: space-between; font-size: 13px; color: var(--text-muted);
}

/* Responsive */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .audience-grid { grid-template-columns: 1fr; gap: 40px; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-menu-btn { display: block; }
  .hero { padding: 120px 0 60px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .features-grid { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 32px; }
  .steps-grid::before { display: none; }
  .pricing-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }
  .comparison-table { font-size: 12px; }
  .comparison-table th, .comparison-table td { padding: 10px 8px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-bottom { flex-direction: column; gap: 8px; }
  section { padding: 64px 0; }
}
@media (max-width: 480px) {
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 32px; }
}
