/* ============================================================================
   CYBER SECURITY TERMINAL THEME
   Created for Jayden Williams - Security Professional Portfolio
   ============================================================================ */

/* ============================================================================
   CSS VARIABLES
   ============================================================================ */

:root {
  /* Terminal Colors */
  --color-bg: #0a0e1a;
  --color-bg-alt: #0f1420;
  --color-bg-elevated: #141824;
  
  /* Cyber Green (Primary) */
  --color-primary: #00ff88;
  --color-primary-dim: #00cc6f;
  --color-primary-glow: rgba(0, 255, 136, 0.5);
  
  /* Cyber Cyan (Accent) */
  --color-accent: #00d9ff;
  --color-accent-dim: #00aed9;
  --color-accent-glow: rgba(0, 217, 255, 0.5);
  
  /* Terminal Text */
  --color-text: #e0e8f0;
  --color-text-dim: #8a9ab0;
  --color-text-muted: #556581;
  
  /* Status Colors */
  --color-success: #00ff88;
  --color-warning: #ffb800;
  --color-error: #ff0055;
  
  /* Shadows & Glows */
  --glow-primary: 0 0 20px var(--color-primary-glow);
  --glow-accent: 0 0 20px var(--color-accent-glow);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.6);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.7);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.8);
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'Courier New', monospace;
  --font-display: 'Orbitron', 'Arial Black', sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================================================
   RESET & BASE
   ============================================================================ */

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--font-mono);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
  position: relative;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 12px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-alt);
}

::-webkit-scrollbar-thumb {
  background: var(--color-primary);
  border-radius: 6px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent);
}

/* Selection */
::selection {
  background: var(--color-primary-glow);
  color: var(--color-bg);
}

/* ============================================================================
   BOOT SEQUENCE
   ============================================================================ */

.boot-sequence {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity 0.5s ease;
}

.boot-sequence.hidden {
  opacity: 0;
  pointer-events: none;
}

.boot-content {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.boot-line {
  color: var(--color-text-dim);
  margin-bottom: 0.5rem;
  opacity: 0;
  animation: bootLineAppear 0.3s ease forwards;
}

.boot-line:nth-child(1) { animation-delay: 0.2s; }
.boot-line:nth-child(2) { animation-delay: 0.6s; }
.boot-line:nth-child(3) { animation-delay: 1.0s; }
.boot-line:nth-child(4) { animation-delay: 1.4s; }

.boot-ok {
  color: var(--color-success);
  font-weight: 700;
}

@keyframes bootLineAppear {
  to {
    opacity: 1;
  }
}

/* ============================================================================
   BACKGROUND EFFECTS
   ============================================================================ */

/* Matrix Background */
.matrix-bg {
  position: fixed;
  inset: 0;
  z-index: -2;
  opacity: 0.03;
  pointer-events: none;
  overflow: hidden;
}

.matrix-bg::before {
  content: '0101010101010101010101010101010101010101010101010101010101010101010101';
  position: absolute;
  top: -100%;
  left: 0;
  right: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-primary);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.4;
  animation: matrixFall 20s linear infinite;
}

@keyframes matrixFall {
  to {
    transform: translateY(200vh);
  }
}

/* Particle Canvas */
#particleCanvas {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: 0.4;
}

/* Gradient Overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  background: radial-gradient(
    ellipse at top,
    rgba(0, 255, 136, 0.05) 0%,
    transparent 50%
  ),
  radial-gradient(
    ellipse at bottom right,
    rgba(0, 217, 255, 0.05) 0%,
    transparent 50%
  );
  pointer-events: none;
}

/* ============================================================================
   LAYOUT
   ============================================================================ */

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

.section {
  padding: var(--space-2xl) 0;
}

/* ============================================================================
   HEADER / NAVIGATION
   ============================================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 255, 136, 0.2);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

/* Logo */
.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  text-decoration: none;
  color: var(--color-primary);
  display: flex;
  align-items: center;
  gap: 0.25rem;
  text-shadow: var(--glow-primary);
  transition: all var(--transition-fast);
}

.logo:hover {
  color: var(--color-accent);
  text-shadow: var(--glow-accent);
  transform: scale(1.05);
}

.logo-bracket {
  color: var(--color-text-dim);
}

.logo-blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  50% { opacity: 0; }
}

/* Nav Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.nav-toggle-line {
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  transition: all var(--transition-base);
}

.nav-toggle.active .nav-toggle-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.nav-toggle.active .nav-toggle-line:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active .nav-toggle-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Nav Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-link {
  font-size: 0.875rem;
  color: var(--color-text-dim);
  text-decoration: none;
  position: relative;
  transition: color var(--transition-fast);
  font-weight: 500;
}

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

.nav-link::before {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  transition: width var(--transition-base);
}

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

.nav-prefix {
  color: var(--color-accent);
  margin-right: 0.25rem;
}

/* Nav Status */
.nav-status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.375rem 0.75rem;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.status-text {
  color: var(--color-success);
  font-weight: 700;
}

/* ============================================================================
   HERO SECTION
   ============================================================================ */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(60px + var(--space-lg));
}

.hero-terminal {
  background: rgba(20, 24, 36, 0.8);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--glow-primary);
}

.terminal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.terminal-dots {
  display: flex;
  gap: 0.5rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }

.terminal-title {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  font-weight: 500;
}

.terminal-body {
  padding: var(--space-lg);
}

.terminal-line {
  font-size: 0.875rem;
  margin-bottom: var(--space-md);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.terminal-prompt {
  color: var(--color-primary);
  font-weight: 700;
}

.terminal-separator {
  color: var(--color-text-dim);
}

.terminal-path {
  color: var(--color-accent);
}

.terminal-dollar {
  color: var(--color-text);
}

.terminal-command {
  color: var(--color-text);
}

/* Typing Animation */
.typed-text {
  overflow: hidden;
  border-right: 2px solid var(--color-primary);
  white-space: nowrap;
  animation: typing 2s steps(6) 1s forwards, blink-caret 0.75s step-end infinite;
  width: 0;
}

@keyframes typing {
  from { width: 0; }
  to { width: 6ch; }
}

@keyframes blink-caret {
  50% { border-color: transparent; }
}

/* Hero Content */
.hero-intro {
  margin-top: var(--space-lg);
}

.hero-title {
  font-family: var(--font-display);
  margin-bottom: var(--space-md);
}

.hero-title-line {
  display: block;
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.hero-subtitle {
  display: block;
  font-size: clamp(1rem, 2.5vw, 1.5rem);
  font-weight: 700;
  color: var(--color-accent);
  margin-top: 0.5rem;
  letter-spacing: 0.1em;
}

.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: var(--space-md) 0;
}

.tag {
  font-size: 0.75rem;
  padding: 0.25rem 0.75rem;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-sm);
  color: var(--color-primary);
  font-weight: 500;
}

.hero-description {
  font-size: 1rem;
  color: var(--color-text-dim);
  line-height: 1.8;
  max-width: 600px;
  margin-bottom: var(--space-lg);
}

/* Hero Stats */
.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-md) 0;
  border-top: 1px solid rgba(0, 255, 136, 0.2);
  border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.stat {
  text-align: center;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 0.25rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: var(--radius-md);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.6s;
}

.btn:hover::before {
  transform: translateX(100%);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-bg);
  box-shadow: var(--glow-primary);
}

.btn-primary:hover {
  background: var(--color-primary-dim);
  transform: translateY(-2px);
  box-shadow: 0 0 30px var(--color-primary-glow);
}

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-ghost:hover {
  background: rgba(0, 255, 136, 0.1);
  transform: translateY(-2px);
}

.btn-icon {
  font-family: var(--font-mono);
  font-size: 1rem;
}

/* ============================================================================
   SECTIONS
   ============================================================================ */

.section-header {
  margin-bottom: var(--space-xl);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
}

.title-bracket {
  color: var(--color-accent);
}

.section-line {
  height: 2px;
  background: linear-gradient(
    90deg,
    var(--color-primary) 0%,
    transparent 100%
  );
  max-width: 200px;
}

/* ============================================================================
   ABOUT SECTION
   ============================================================================ */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  align-items: start;
}

.text-block {
  margin-bottom: var(--space-lg);
}

.text-block h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}

.text-block p {
  color: var(--color-text-dim);
  line-height: 1.8;
}

.code-block {
  background: rgba(0, 0, 0, 0.4);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.code-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 1rem;
  background: rgba(0, 0, 0, 0.3);
  border-bottom: 1px solid rgba(0, 255, 136, 0.2);
}

.code-lang,
.code-file {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.code-content {
  padding: var(--space-md);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
}

.code-content code {
  display: block;
}

.code-comment { color: var(--color-text-muted); font-style: italic; }
.code-var { color: var(--color-accent); font-weight: 700; }
.code-string { color: var(--color-primary); }
.code-function { color: var(--color-warning); }

/* ============================================================================
   SKILLS SECTION
   ============================================================================ */

.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--space-lg);
}

.skill-category {
  background: rgba(20, 24, 36, 0.5);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.skill-category:hover {
  border-color: var(--color-primary);
  box-shadow: var(--glow-primary);
  transform: translateY(-4px);
}

.category-header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.category-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.3);
  border-radius: var(--radius-md);
}

.category-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.category-header h3 {
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-primary);
}

.skill-list {
  list-style: none;
}

.skill-list li {
  padding: 0.5rem 0;
  color: var(--color-text-dim);
  border-bottom: 1px solid rgba(0, 255, 136, 0.1);
  font-size: 0.875rem;
}

.skill-list li:last-child {
  border-bottom: none;
}

.skill-prefix {
  color: var(--color-accent);
  margin-right: 0.5rem;
}

/* ============================================================================
   CTA SECTION
   ============================================================================ */

.cta-card {
  background: rgba(20, 24, 36, 0.8);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  box-shadow: var(--glow-primary);
  text-align: center;
}

.cta-content h2 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  color: var(--color-primary);
  margin-bottom: var(--space-md);
  text-shadow: var(--glow-primary);
}

.cta-content p {
  color: var(--color-text-dim);
  max-width: 600px;
  margin: 0 auto var(--space-lg);
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* ============================================================================
   FOOTER
   ============================================================================ */

.footer {
  background: rgba(10, 14, 26, 0.95);
  border-top: 1px solid rgba(0, 255, 136, 0.2);
  padding: var(--space-xl) 0 var(--space-lg);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(0, 255, 136, 0.1);
}

.footer-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-primary);
  text-shadow: var(--glow-primary);
}

.footer-tagline {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-top: 0.5rem;
}

.footer-nav {
  display: flex;
  gap: var(--space-md);
  margin-bottom: 0.5rem;
}

.footer-nav a {
  color: var(--color-text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color var(--transition-fast);
}

.footer-nav a:hover {
  color: var(--color-primary);
}

.footer-copyright {
  color: var(--color-text-muted);
  font-size: 0.75rem;
}

.footer-security {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
  padding-top: var(--space-md);
}

.security-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: rgba(0, 255, 136, 0.1);
  border: 1px solid rgba(0, 255, 136, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

.badge-icon {
  font-size: 1rem;
}

/* ============================================================================
   RESPONSIVE
   ============================================================================ */

@media (max-width: 968px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .skills-grid {
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  }
}

@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }
  
  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: rgba(10, 14, 26, 0.98);
    border-bottom: 1px solid rgba(0, 255, 136, 0.2);
    padding: var(--space-md);
    transform: translateY(-100%);
    opacity: 0;
    transition: all var(--transition-base);
  }
  
  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
  }
  
  .nav-link {
    padding: var(--space-sm);
    border-bottom: 1px solid rgba(0, 255, 136, 0.1);
  }
  
  .nav-status {
    margin-top: var(--space-sm);
    justify-content: center;
  }
  
  .hero-stats {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    flex-direction: column;
    gap: var(--space-lg);
  }
  
  .footer-nav {
    flex-direction: column;
    gap: var(--space-sm);
  }
}

@media (max-width: 480px) {
  :root {
    font-size: 14px;
  }
  
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .hero-actions .btn {
    width: 100%;
    justify-content: center;
  }
  
  .cta-actions {
    flex-direction: column;
  }
  
  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }
}

/* ============================================================================
   ANIMATIONS & EFFECTS
   ============================================================================ */

/* Glitch Effect */
@keyframes glitch {
  0% { transform: translate(0); }
  20% { transform: translate(-2px, 2px); }
  40% { transform: translate(-2px, -2px); }
  60% { transform: translate(2px, 2px); }
  80% { transform: translate(2px, -2px); }
  100% { transform: translate(0); }
}

/* Scanline Effect */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: linear-gradient(
    to bottom,
    transparent 50%,
    rgba(0, 255, 136, 0.02) 51%
  );
  background-size: 100% 4px;
  pointer-events: none;
  z-index: 9998;
  animation: scanline 8s linear infinite;
}

@keyframes scanline {
  0% { background-position: 0 0; }
  100% { background-position: 0 100%; }
}

/* Fade In */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.6s ease forwards;
}

/* ============================================================================
   ACCESSIBILITY
   ============================================================================ */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

*:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}