/* L2 Lab — AI Innovation Studio & B2B Automation Stylesheet */
:root {
  --bg-dark: #0A0E17;
  --bg-card: rgba(18, 24, 38, 0.7);
  --bg-card-hover: rgba(28, 36, 56, 0.85);
  --border-glass: rgba(255, 255, 255, 0.08);
  --border-focus: rgba(99, 102, 241, 0.5);
  --primary: #6366F1;
  --primary-glow: rgba(99, 102, 241, 0.35);
  --cyan: #38BDF8;
  --cyan-glow: rgba(56, 189, 248, 0.35);
  --emerald: #10B981;
  --text-main: #F1F5F9;
  --text-muted: #94A3B8;
  --text-dim: #64748B;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-dark);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  background-image: 
    radial-gradient(circle at 15% 15%, rgba(99, 102, 241, 0.12) 0%, transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(56, 189, 248, 0.08) 0%, transparent 45%),
    radial-gradient(circle at 50% 80%, rgba(16, 185, 129, 0.06) 0%, transparent 50%);
  background-attachment: fixed;
}

a {
  color: inherit;
  text-decoration: none;
}

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

/* Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-glass);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
}

.logo-badge {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, #6366F1, #38BDF8);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  box-shadow: 0 0 20px var(--primary-glow);
}

.logo-text span {
  color: var(--cyan);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  transition: all 0.2s ease;
}

.nav-links a:hover {
  color: white;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  border: 1px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, #6366F1, #4F46E5);
  color: white;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  filter: brightness(1.15);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-main);
  border-color: var(--border-glass);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

.btn-lg {
  padding: 14px 28px;
  font-size: 16px;
  border-radius: var(--radius-md);
}

/* Hero Section */
.hero {
  padding: 90px 0 70px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(99, 102, 241, 0.12);
  border: 1px solid rgba(99, 102, 241, 0.3);
  color: #A5B4FC;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 24px;
}

.badge-pill .pulse {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
}

.hero-title {
  font-size: 50px;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

.gradient-text {
  background: linear-gradient(135deg, #A5B4FC, #38BDF8, #34D399);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 36px;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: 36px;
  border-top: 1px solid var(--border-glass);
  padding-top: 28px;
}

.stat-item h3 {
  font-size: 26px;
  font-weight: 800;
  color: white;
}

.stat-item p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Interactive Terminal / Agent Flow */
.terminal-window {
  background: #0D131F;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 40px rgba(99, 102, 241, 0.1);
  overflow: hidden;
}

.terminal-header {
  background: #131A29;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-glass);
}

.terminal-controls {
  display: flex;
  gap: 6px;
}

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

.term-dot.r { background: #EF4444; }
.term-dot.y { background: #F59E0B; }
.term-dot.g { background: #10B981; }

.terminal-title {
  font-size: 12px;
  font-family: monospace;
  color: var(--text-muted);
}

.terminal-body {
  padding: 20px;
  font-family: 'Fira Code', monospace, sans-serif;
  font-size: 13px;
  line-height: 1.7;
}

.term-line {
  margin-bottom: 8px;
  display: flex;
  gap: 10px;
}

.term-prefix {
  color: var(--cyan);
  user-select: none;
}

.term-success {
  color: var(--emerald);
}

.term-info {
  color: #A5B4FC;
}

.term-highlight {
  color: #FBBF24;
}

/* Sections Common */
.section {
  padding: 90px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.section-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  letter-spacing: -0.01em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-muted);
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 36px;
  backdrop-filter: blur(12px);
  transition: all 0.25s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--primary), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}

.service-card:hover {
  background: var(--bg-card-hover);
  border-color: rgba(99, 102, 241, 0.3);
  transform: translateY(-4px);
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.4);
}

.service-card:hover::before {
  opacity: 1;
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: rgba(99, 102, 241, 0.15);
  border: 1px solid rgba(99, 102, 241, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--cyan);
  margin-bottom: 24px;
}

.service-title {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
}

.service-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 13px;
  color: #CBD5E1;
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '→';
  color: var(--cyan);
}

/* Calculator ROI Section */
.calc-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  max-width: 860px;
  margin: 0 auto;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.calc-input-group {
  margin-bottom: 24px;
}

.calc-label {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: #CBD5E1;
  margin-bottom: 8px;
}

.calc-slider {
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: #1E293B;
  outline: none;
  cursor: pointer;
}

.calc-result-box {
  background: #131A29;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 28px;
  text-align: center;
}

.calc-result-title {
  font-size: 13px;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 8px;
}

.calc-result-val {
  font-size: 36px;
  font-weight: 800;
  color: var(--emerald);
  margin-bottom: 8px;
}

.calc-result-sub {
  font-size: 12px;
  color: var(--text-dim);
}

/* Lead Form */
.lead-section {
  background: linear-gradient(180deg, transparent, rgba(99, 102, 241, 0.05) 50%, transparent);
}

.lead-form-box {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #CBD5E1;
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  background: #131A29;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  color: white;
  font-size: 14px;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 12px var(--primary-glow);
}

/* Footer */
.footer {
  border-top: 1px solid var(--border-glass);
  padding: 60px 0 30px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-bottom {
  border-top: 1px solid var(--border-glass);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 13px;
}

@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; }
  .services-grid { grid-template-columns: 1fr; }
  .calc-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}