/* ==========================================================================
   CYBERSECURITY PORTFOLIO DESIGN SYSTEM & STYLESHEET
   Theme: Cyberpunk Professional / Obsidian Terminal
   Palette: Deep Slate (#0A0D14), Neon Green (#00FF66), Neon Cyan (#00E5FF),
            Electric Blue (#3B82F6), Dark Slate Card (#1E293B)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&family=JetBrains+Mono:ital,wght@0,300;0,400;0,500;0,700;1,400&display=swap');

:root {
  --bg-main: #0A0D14;
  --bg-surface: #111726;
  --bg-card: rgba(30, 41, 59, 0.65);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-terminal: #0D111A;
  
  --neon-green: #00FF66;
  --neon-green-glow: rgba(0, 255, 102, 0.35);
  --neon-cyan: #00E5FF;
  --neon-cyan-glow: rgba(0, 229, 255, 0.35);
  --electric-blue: #3B82F6;
  --electric-blue-glow: rgba(59, 130, 246, 0.35);
  --alert-red: #FF3366;
  
  --text-primary: #F8FAFC;
  --text-secondary: #94A3B8;
  --text-muted: #64748B;
  --border-color: rgba(51, 65, 85, 0.6);
  --border-glow: rgba(0, 255, 102, 0.4);
  
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  --nav-height: 76px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  
  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Base Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  color-scheme: dark;
}

body {
  background-color: var(--bg-main);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
  min-height: 100vh;
}

/* Background Cyber Canvas & Overlay */
#cyber-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

.scanline-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  background: linear-gradient(
    rgba(18, 16, 16, 0) 50%, 
    rgba(0, 0, 0, 0.25) 50%
  );
  background-size: 100% 4px;
  z-index: 1;
  opacity: 0.35;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: var(--bg-main);
}
::-webkit-scrollbar-thumb {
  background: #1E293B;
  border-radius: 4px;
  border: 1px solid var(--border-color);
}
::-webkit-scrollbar-thumb:hover {
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
}

/* Typography Utilities */
.font-mono {
  font-family: var(--font-mono);
}

.text-gradient {
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-blue-gradient {
  background: linear-gradient(135deg, var(--neon-cyan), var(--electric-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glow-green {
  text-shadow: 0 0 12px var(--neon-green-glow);
}

.glow-cyan {
  text-shadow: 0 0 12px var(--neon-cyan-glow);
}

/* Reusable Components */
.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 2;
}

.section {
  padding: 100px 0;
}

.section-header {
  margin-bottom: 60px;
  text-align: center;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(0, 255, 102, 0.08);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: 30px;
  color: var(--neon-green);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

.section-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 650px;
  margin: 0 auto;
}

/* Glass Card */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 28px;
  transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
}

.glass-card:hover {
  transform: translateY(-4px);
  border-color: rgba(0, 229, 255, 0.4);
  box-shadow: 0 10px 30px -10px rgba(0, 229, 255, 0.15), 0 0 15px rgba(0, 229, 255, 0.1);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-fast);
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, #00FF66, #00E5FF);
  color: #050B14;
  box-shadow: 0 0 20px var(--neon-green-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--neon-cyan-glow);
  filter: brightness(1.1);
}

.btn-secondary {
  background: rgba(30, 41, 59, 0.8);
  color: var(--text-primary);
  border: 1px solid rgba(0, 229, 255, 0.4);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: rgba(0, 229, 255, 0.1);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px var(--neon-cyan-glow);
}

.btn-outline {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-outline:hover {
  border-color: var(--text-primary);
  color: var(--text-primary);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

/* Header & Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(10, 13, 20, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(51, 65, 85, 0.4);
  transition: background var(--transition-fast);
}

.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text-primary);
  text-decoration: none;
}

.brand-logo .symbol {
  color: var(--neon-green);
  text-shadow: 0 0 10px var(--neon-green);
}

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

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
  position: relative;
  padding: 4px 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--neon-green);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-green);
  box-shadow: 0 0 8px var(--neon-green);
  transition: width var(--transition-fast);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.terminal-trigger-btn {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(13, 17, 26, 0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.terminal-trigger-btn:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 12px var(--neon-cyan-glow);
}

.kbd-badge {
  background: rgba(255, 255, 255, 0.1);
  padding: 2px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.hamburger {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

/* HERO SECTION */
.hero {
  padding-top: calc(var(--nav-height) + 60px);
  padding-bottom: 80px;
  min-height: 100vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 16px;
  background: rgba(0, 255, 102, 0.06);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: 30px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--neon-green);
  margin-bottom: 24px;
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background: var(--neon-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--neon-green);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 102, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 10px rgba(0, 255, 102, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 255, 102, 0); }
}

.hero-headline {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}

.typewriter-cursor {
  display: inline-block;
  width: 10px;
  height: 1em;
  background: var(--neon-green);
  margin-left: 4px;
  animation: blink 1s infinite;
  vertical-align: middle;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero-subheadline {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
  font-family: var(--font-mono);
  line-height: 1.6;
}

.hero-subheadline span {
  color: var(--neon-cyan);
}

.hero-ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats-mini {
  display: flex;
  gap: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
}

.stat-item .stat-num {
  font-family: var(--font-mono);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--neon-cyan);
}

.stat-item .stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* TERMINAL WIDGET */
.terminal-window {
  background: var(--bg-terminal);
  border: 1px solid rgba(0, 255, 102, 0.3);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(0, 255, 102, 0.15);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.terminal-header {
  background: #141B2D;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.window-dots {
  display: flex;
  gap: 8px;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}
.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.terminal-title {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 24px;
  min-height: 300px;
  max-height: 380px;
  overflow-y: auto;
  color: #D1D5DB;
  line-height: 1.7;
}

.terminal-line {
  margin-bottom: 12px;
  display: flex;
  gap: 10px;
}

.terminal-prompt {
  color: var(--neon-green);
  user-select: none;
}

.terminal-output {
  color: var(--neon-cyan);
}

.terminal-input-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.terminal-input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  width: 100%;
}

/* ABOUT SECTION */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  align-items: center;
}

.about-text {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-text p {
  margin-bottom: 20px;
}

.highlight-box {
  background: rgba(0, 229, 255, 0.05);
  border-left: 3px solid var(--neon-cyan);
  padding: 16px 20px;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: 24px 0;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--text-primary);
}

.strengths-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 32px;
}

.strength-card {
  background: rgba(17, 23, 38, 0.8);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.strength-card:hover {
  border-color: var(--neon-green);
  transform: translateY(-2px);
  box-shadow: 0 0 15px var(--neon-green-glow);
}

.strength-icon {
  font-size: 1.6rem;
  color: var(--neon-green);
  margin-bottom: 12px;
}

.strength-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.strength-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.avatar-card {
  text-align: center;
  position: relative;
}

.avatar-img-wrap {
  width: 280px;
  height: 280px;
  margin: 0 auto 24px;
  border-radius: 50%;
  padding: 6px;
  background: linear-gradient(135deg, var(--neon-green), var(--neon-cyan), var(--electric-blue));
  box-shadow: 0 0 35px var(--neon-cyan-glow);
  position: relative;
}

.avatar-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
  background: var(--bg-surface);
}

/* SKILLS SECTION */
.skills-filter {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.filter-btn {
  padding: 10px 20px;
  border-radius: 30px;
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: rgba(0, 255, 102, 0.12);
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 12px var(--neon-green-glow);
}

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.skill-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-normal);
}

.skill-card:hover {
  transform: translateY(-5px);
  border-color: var(--neon-cyan);
  box-shadow: 0 10px 25px rgba(0, 229, 255, 0.15);
}

.skill-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.skill-icon-name {
  display: flex;
  align-items: center;
  gap: 12px;
}

.skill-icon {
  width: 40px;
  height: 40px;
  background: rgba(0, 229, 255, 0.1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-cyan);
  font-size: 1.2rem;
}

.skill-name {
  font-weight: 700;
  font-size: 1.05rem;
}

.skill-category {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.skill-progress-wrap {
  margin-top: 16px;
}

.skill-progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 8px;
}

.skill-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--neon-green), var(--neon-cyan));
  width: 0%;
  transition: width 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 8px var(--neon-green);
}

.skill-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.tag {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 4px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-secondary);
}

/* HALL OF FAME & CASE STUDY */
.case-study-featured {
  background: linear-gradient(135deg, rgba(13, 17, 26, 0.95), rgba(30, 41, 59, 0.8));
  border: 1px solid rgba(0, 255, 102, 0.4);
  border-radius: var(--radius-lg);
  padding: 40px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 30px rgba(0, 255, 102, 0.1);
  margin-bottom: 60px;
  position: relative;
  overflow: hidden;
}

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

.case-study-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(255, 51, 102, 0.15);
  border: 1px solid rgba(255, 51, 102, 0.4);
  color: var(--alert-red);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  border-radius: 20px;
  margin-bottom: 16px;
  font-weight: 600;
}

.case-study-title {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.case-study-desc {
  color: var(--text-secondary);
  font-size: 1.05rem;
  margin-bottom: 24px;
  line-height: 1.7;
}

.case-study-meta {
  display: flex;
  gap: 24px;
  margin-bottom: 32px;
  flex-wrap: wrap;
}

.meta-box {
  background: rgba(0, 0, 0, 0.3);
  padding: 12px 18px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.meta-box .label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.meta-box .val {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--neon-cyan);
}

.bounty-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border-color);
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}

.bounty-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Metric Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-bottom: 40px;
}

.metric-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  text-align: center;
  backdrop-filter: blur(12px);
}

.metric-number {
  font-family: var(--font-mono);
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--neon-green);
  text-shadow: 0 0 15px var(--neon-green-glow);
  margin-bottom: 8px;
}

.metric-label {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Platform Badges */
.platforms-row {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

.platform-badge {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 40px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-primary);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.platform-badge:hover {
  border-color: var(--neon-cyan);
  box-shadow: 0 0 20px var(--neon-cyan-glow);
  transform: translateY(-3px);
}

/* TIMELINE SECTION */
.timeline-container {
  position: relative;
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 2px;
  background: linear-gradient(180deg, var(--neon-green), var(--neon-cyan), var(--electric-blue));
  transform: translateX(-50%);
  box-shadow: 0 0 10px var(--neon-green-glow);
}

.timeline-item {
  position: relative;
  margin-bottom: 40px;
  width: 50%;
}

.timeline-item:nth-child(odd) {
  left: 0;
  padding-right: 40px;
}

.timeline-item:nth-child(even) {
  left: 50%;
  padding-left: 40px;
}

.timeline-dot {
  position: absolute;
  top: 24px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg-main);
  border: 3px solid var(--neon-green);
  box-shadow: 0 0 12px var(--neon-green);
  z-index: 5;
}

.timeline-item:nth-child(odd) .timeline-dot {
  right: -8px;
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -8px;
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 24px;
  backdrop-filter: blur(12px);
  transition: all var(--transition-fast);
}

.timeline-content:hover {
  border-color: var(--neon-green);
  box-shadow: 0 10px 30px rgba(0, 255, 102, 0.1);
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--neon-cyan);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.timeline-company {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 12px;
}

.timeline-desc {
  font-size: 0.95rem;
  color: var(--text-secondary);
}

/* INTERACTIVE SECURITY LAB / SANDBOX */
.sandbox-card {
  background: var(--bg-terminal);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.sandbox-controls {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.sandbox-tab {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  cursor: pointer;
}

.sandbox-tab.active {
  background: rgba(0, 229, 255, 0.15);
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
}

.sandbox-io {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.io-box {
  display: flex;
  flex-direction: column;
}

.io-box label {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.sandbox-textarea {
  width: 100%;
  height: 140px;
  background: rgba(10, 13, 20, 0.9);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 14px;
  color: var(--neon-green);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  resize: vertical;
  outline: none;
}

.sandbox-textarea:focus {
  border-color: var(--neon-cyan);
}

/* CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
}

.contact-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-card-item {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  backdrop-filter: blur(12px);
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(0, 255, 102, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--neon-green);
  font-size: 1.4rem;
}

.contact-form {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 32px;
  backdrop-filter: blur(12px);
}

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

.form-group label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 14px;
  background: rgba(10, 13, 20, 0.8);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-control:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 10px var(--neon-green-glow);
}

.encryption-progress {
  display: none;
  margin-top: 16px;
}

.progress-bar-inner {
  height: 4px;
  background: var(--neon-green);
  width: 0%;
  transition: width 1.5s ease;
  box-shadow: 0 0 10px var(--neon-green);
}

/* FOOTER */
.footer {
  border-top: 1px solid var(--border-color);
  padding: 40px 0;
  background: var(--bg-surface);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-muted);
}

.footer-socials {
  display: flex;
  justify-content: center;
  gap: 20px;
  margin-bottom: 20px;
}

.social-link {
  color: var(--text-secondary);
  font-size: 1.3rem;
  transition: color var(--transition-fast);
}

.social-link:hover {
  color: var(--neon-cyan);
}

/* MODAL DIALOGS */
dialog {
  margin: auto;
  padding: 0;
  background: var(--bg-terminal);
  color: var(--text-primary);
  border: 1px solid var(--border-glow);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 90%;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  outline: none;
}

dialog::backdrop {
  background: rgba(5, 8, 15, 0.85);
  backdrop-filter: blur(10px);
}

.modal-header {
  background: #141B2D;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border-color);
}

.modal-title {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--neon-green);
  font-size: 1.1rem;
}

.modal-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.5rem;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--text-primary);
}

.modal-body {
  padding: 32px;
  max-height: 70vh;
  overflow-y: auto;
}

/* Toast Notifications */
.toast-container {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  background: var(--bg-card);
  border: 1px solid var(--neon-green);
  border-radius: var(--radius-sm);
  padding: 14px 20px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5), 0 0 15px var(--neon-green-glow);
  display: flex;
  align-items: center;
  gap: 12px;
  animation: slideIn 0.3s forwards;
}

@keyframes slideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

/* RESPONSIVE MEDIA QUERIES */
@media (max-width: 992px) {
  .hero-grid, .about-grid, .case-study-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .metrics-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .timeline-container::before {
    left: 20px;
  }
  .timeline-item {
    width: 100%;
    padding-left: 50px !important;
    padding-right: 0 !important;
  }
  .timeline-item:nth-child(even) {
    left: 0;
  }
  .timeline-dot {
    left: 12px !important;
  }
}

@media (max-width: 768px) {
  .hero-headline { font-size: 2.2rem; }
  .section-title { font-size: 2rem; }
  .nav-menu {
    display: none;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    background: var(--bg-surface);
    flex-direction: column;
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
  }
  .nav-menu.show { display: flex; }
  .hamburger { display: block; }
  .sandbox-io { grid-template-columns: 1fr; }
  .metrics-grid { grid-template-columns: 1fr; }
}