/* ==========================================================================
   LLM AGENT SECURITY — ENTERPRISE CYBERSECURITY DESIGN SYSTEM
   Domain: llmagentsecurity.com
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-dark: #030712;
  --bg-surface: #0b0f19;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-glass: rgba(15, 23, 42, 0.65);
  
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-bright: rgba(56, 189, 248, 0.3);
  --border-glow: rgba(0, 242, 254, 0.5);
  
  --text-primary: #F9FAFB;
  --text-secondary: #9CA3AF;
  --text-muted: #6B7280;
  
  --accent-cyan: #00F2FE;
  --accent-blue: #38BDF8;
  --accent-indigo: #6366F1;
  --accent-purple: #A855F7;
  --accent-emerald: #10B981;
  --accent-crimson: #EF4444;
  --accent-amber: #F59E0B;
  
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --shadow-neon: 0 0 35px rgba(0, 242, 254, 0.2);
  --shadow-card: 0 20px 40px -15px rgba(0, 0, 0, 0.7);
}

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

body {
  background-color: var(--bg-dark);
  color: var(--text-primary);
  font-family: var(--font-sans);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  position: relative;
}

/* Background Cyber Grid Grid Glow */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-image: 
    radial-gradient(circle at 50% 0%, rgba(99, 102, 241, 0.15), transparent 40%),
    radial-gradient(circle at 85% 30%, rgba(0, 242, 254, 0.08), transparent 35%),
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 100% 100%, 100% 100%, 32px 32px;
  pointer-events: none;
  z-index: -1;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #FFFFFF;
}

.gradient-text {
  background: linear-gradient(135deg, #FFFFFF 0%, #38BDF8 50%, #A855F7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-cyan {
  background: linear-gradient(135deg, #00F2FE 0%, #38BDF8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.mono {
  font-family: var(--font-mono);
}

/* Container */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Glassmorphism Panel */
.glass-panel {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.glass-card {
  background: rgba(17, 24, 39, 0.6);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(0, 242, 254, 0.5), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-bright);
  box-shadow: 0 12px 30px -10px rgba(0, 242, 254, 0.15);
}

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

/* Header Navbar */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.1rem 2rem;
  background: rgba(3, 7, 18, 0.8);
  backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-weight: 800;
  font-size: 1.15rem;
  color: #FFF;
  text-decoration: none;
  letter-spacing: -0.02em;
}

.shield-badge {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.2), rgba(99, 102, 241, 0.3));
  border: 1px solid rgba(0, 242, 254, 0.5);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  box-shadow: 0 0 15px rgba(0, 242, 254, 0.25);
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
  color: var(--accent-cyan);
  text-shadow: 0 0 10px rgba(0, 242, 254, 0.4);
}

.nav-actions {
  display: flex;
  gap: 0.85rem;
  align-items: center;
}

/* Premium Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.65rem 1.35rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  text-decoration: none;
  position: relative;
  overflow: hidden;
}

.btn-glow {
  background: linear-gradient(135deg, #00F2FE 0%, #6366F1 100%);
  color: #030712;
  box-shadow: 0 0 20px rgba(0, 242, 254, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.3);
}

.btn-glow:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 35px rgba(0, 242, 254, 0.6);
  color: #000;
}

.btn-secondary {
  background: rgba(17, 24, 39, 0.8);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
}

.btn-secondary:hover {
  background: rgba(30, 41, 59, 0.9);
  border-color: var(--accent-cyan);
  color: #FFF;
}

/* Badges */
.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0.9rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.badge-cyan {
  background: rgba(0, 242, 254, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 242, 254, 0.3);
  box-shadow: 0 0 12px rgba(0, 242, 254, 0.15);
}

.badge-emerald {
  background: rgba(16, 185, 129, 0.1);
  color: var(--accent-emerald);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.badge-crimson {
  background: rgba(239, 68, 68, 0.1);
  color: var(--accent-crimson);
  border: 1px solid rgba(239, 68, 68, 0.3);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 8px currentColor;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem 0;
  text-align: center;
  position: relative;
}

.hero-title {
  font-size: 4rem;
  line-height: 1.08;
  letter-spacing: -0.04em;
  margin: 1.5rem 0;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 760px;
  margin: 0 auto 2.5rem auto;
  font-weight: 400;
}

/* Stats Counter Banner */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 4rem 0;
  padding: 1.75rem;
  background: rgba(15, 23, 42, 0.7);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
}

.stat-item {
  text-align: center;
  padding: 0.5rem;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  font-family: var(--font-mono);
  color: #FFF;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.825rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Terminal & Attack Sandbox Mockup */
.sandbox-terminal {
  background: #060913;
  border: 1px solid rgba(0, 242, 254, 0.2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 60px -15px rgba(0, 0, 0, 0.9), 0 0 30px rgba(0, 242, 254, 0.1);
  text-align: left;
}

.terminal-header {
  background: #0f172a;
  padding: 0.85rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-subtle);
}

.terminal-dots {
  display: flex;
  gap: 7px;
}

.terminal-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot-red { background: #ef4444; }
.dot-yellow { background: #f59e0b; }
.dot-green { background: #10b981; }

.sandbox-tabs {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  background: rgba(15, 23, 42, 0.5);
  border-bottom: 1px solid var(--border-subtle);
  overflow-x: auto;
}

.tab-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-family: var(--font-mono);
  cursor: pointer;
  transition: all 0.2s ease;
}

.tab-btn:hover, .tab-btn.active {
  background: rgba(0, 242, 254, 0.15);
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.sandbox-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
}

.log-line {
  margin-bottom: 0.6rem;
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.log-tag {
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 4px;
  font-size: 0.75rem;
  flex-shrink: 0;
}

.tag-prompt { background: rgba(56, 189, 248, 0.2); color: var(--accent-blue); }
.tag-atlas { background: rgba(168, 85, 247, 0.2); color: var(--accent-purple); }
.tag-block { background: rgba(239, 68, 68, 0.2); color: var(--accent-crimson); }
.tag-pass { background: rgba(16, 185, 129, 0.2); color: var(--accent-emerald); }

/* SVG Icon Box */
.icon-box {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 242, 254, 0.1), rgba(99, 102, 241, 0.15));
  border: 1px solid rgba(0, 242, 254, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-cyan);
  margin-bottom: 1.25rem;
}

/* Feature Grid */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

@media (max-width: 1024px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-banner { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 2.8rem; }
}

@media (max-width: 640px) {
  .feature-grid { grid-template-columns: 1fr; }
  .stats-banner { grid-template-columns: 1fr; }
  .nav-links { display: none; }
}