/* ============================================
   CYBERPUNK PORTFOLIO — Bryan Riley
   ============================================ */

:root {
  --bg-primary: #0a0a0f;
  --bg-secondary: #0f0f1a;
  --bg-card: rgba(15, 15, 30, 0.8);
  --neon-cyan: #00f0ff;
  --neon-magenta: #ff00aa;
  --neon-blue: #4d7cff;
  --neon-purple: #a855f7;
  --text-primary: #e0e0e8;
  --text-secondary: #8888aa;
  --text-dim: #555577;
  --border-color: rgba(0, 240, 255, 0.15);
  --glow-cyan: 0 0 20px rgba(0, 240, 255, 0.3);
  --glow-magenta: 0 0 20px rgba(255, 0, 170, 0.3);
  --font-display: 'Orbitron', sans-serif;
  --font-body: 'Rajdhani', sans-serif;
  --font-mono: 'Fira Code', monospace;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 18px;
  overflow-x: hidden;
}

/* Grid Canvas Background */
#grid-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.4;
}

/* Container */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   NAVIGATION
   ============================================ */
#navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.3s ease;
  background: transparent;
}

#navbar.scrolled {
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
  padding: 12px 0;
}

.nav-container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  font-family: var(--font-mono);
  font-size: 1.4rem;
  color: var(--neon-cyan);
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 2px;
}

.logo-bracket {
  color: var(--neon-magenta);
}

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

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 1px;
  transition: color 0.3s ease;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--neon-cyan);
  transition: width 0.3s ease;
  box-shadow: var(--glow-cyan);
}

.nav-links a:hover {
  color: var(--neon-cyan);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 25px;
  height: 2px;
  background: var(--neon-cyan);
  transition: all 0.3s ease;
}

/* ============================================
   HERO SECTION
   ============================================ */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
  padding: 120px 24px 80px;
}

.hero-content {
  max-width: 800px;
}

.hero-greeting {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--neon-magenta);
  margin-bottom: 12px;
  letter-spacing: 3px;
  text-transform: uppercase;
}

.hero-name {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 16px;
  background: linear-gradient(135deg, var(--neon-cyan), var(--neon-blue), var(--neon-magenta));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradient-shift 4s ease infinite;
  background-size: 200% 200%;
}

@keyframes gradient-shift {
  0%, 100% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
}

.hero-title-wrapper {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.hero-title-prefix {
  font-family: var(--font-mono);
  color: var(--neon-cyan);
  font-size: 1.2rem;
  opacity: 0.7;
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.8rem);
  font-weight: 400;
  color: var(--text-primary);
  letter-spacing: 2px;
  border-right: 2px solid var(--neon-cyan);
  animation: blink-caret 1s step-end infinite;
}

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

.hero-subtitle {
  font-family: var(--font-body);
  font-size: 1.1rem;
  color: var(--text-secondary);
  letter-spacing: 2px;
  margin-bottom: 40px;
}

.hero-cta {
  display: flex;
  gap: 16px;
  margin-bottom: 60px;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 14px 32px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 1px;
  text-decoration: none;
  border-radius: 4px;
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: transparent;
  color: var(--neon-cyan);
  border: 1px solid var(--neon-cyan);
  box-shadow: var(--glow-cyan), inset 0 0 20px rgba(0, 240, 255, 0.05);
}

.btn-primary:hover {
  background: rgba(0, 240, 255, 0.1);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.4), inset 0 0 30px rgba(0, 240, 255, 0.1);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--neon-magenta);
  border: 1px solid var(--neon-magenta);
  box-shadow: var(--glow-magenta), inset 0 0 20px rgba(255, 0, 170, 0.05);
}

.btn-outline:hover {
  background: rgba(255, 0, 170, 0.1);
  box-shadow: 0 0 30px rgba(255, 0, 170, 0.4), inset 0 0 30px rgba(255, 0, 170, 0.1);
  transform: translateY(-2px);
}

.btn-lg {
  padding: 18px 48px;
  font-size: 1rem;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  gap: 48px;
}

.stat {
  text-align: center;
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--neon-cyan);
  text-shadow: 0 0 20px rgba(0, 240, 255, 0.5);
}

.stat-plus {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--neon-magenta);
}

.stat-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  letter-spacing: 1px;
  margin-top: 4px;
}

/* Scroll Indicator */
.scroll-indicator {
  position: absolute;
  bottom: 40px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.scroll-indicator span {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  letter-spacing: 3px;
  text-transform: uppercase;
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 60px;
  background: linear-gradient(to bottom, var(--neon-cyan), transparent);
  animation: scroll-pulse 2s ease-in-out infinite;
}

@keyframes scroll-pulse {
  0%, 100% { opacity: 1; height: 60px; }
  50% { opacity: 0.3; height: 40px; }
}

/* ============================================
   SECTIONS (Common)
   ============================================ */
.section {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 700;
  margin-bottom: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  letter-spacing: 2px;
}

.section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, var(--border-color), transparent);
  max-width: 300px;
}

.section-number {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--neon-magenta);
  font-weight: 400;
}

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

/* ============================================
   ABOUT SECTION
   ============================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

.about-text p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-details {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.detail-item {
  display: flex;
  gap: 16px;
}

.detail-label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--neon-magenta);
  min-width: 100px;
  letter-spacing: 1px;
}

.detail-value {
  font-size: 0.95rem;
  color: var(--text-primary);
}

/* Terminal */
.about-terminal {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.05);
}

.terminal-header {
  background: rgba(0, 0, 0, 0.4);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.terminal-dot.red { background: #ff5f57; }
.terminal-dot.yellow { background: #febc2e; }
.terminal-dot.green { background: #28c840; }

.terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
}

.terminal-body {
  padding: 20px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.8;
}

.terminal-body .prompt {
  color: var(--neon-cyan);
  margin-right: 8px;
}

.terminal-body p {
  color: var(--text-secondary);
  margin-bottom: 12px;
}

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

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

/* ============================================
   SKILLS SECTION
   ============================================ */
.skills-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
}

.skill-category {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 28px;
  transition: all 0.3s ease;
}

.skill-category:hover {
  border-color: rgba(0, 240, 255, 0.4);
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.08);
  transform: translateY(-4px);
}

.skill-category-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.skill-icon {
  font-size: 1.4rem;
  color: var(--neon-cyan);
  font-family: var(--font-mono);
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: 8px;
  background: rgba(0, 240, 255, 0.05);
}

.skill-category h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 2px;
  color: var(--text-primary);
}

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

.skill-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 4px;
  background: rgba(0, 240, 255, 0.05);
  border: 1px solid rgba(0, 240, 255, 0.15);
  color: var(--text-secondary);
  transition: all 0.3s ease;
  letter-spacing: 0.5px;
}

.skill-tag:hover {
  border-color: var(--neon-cyan);
  color: var(--neon-cyan);
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
}

/* ============================================
   EXPERIENCE / TIMELINE
   ============================================ */
.timeline {
  position: relative;
  padding-left: 40px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--neon-cyan), var(--neon-magenta), var(--neon-blue), transparent);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
}

.timeline-item {
  position: relative;
  margin-bottom: 48px;
  opacity: 0;
  transform: translateX(-20px);
  animation: slide-in 0.6s ease forwards;
}

.timeline-item:nth-child(1) { animation-delay: 0.1s; }
.timeline-item:nth-child(2) { animation-delay: 0.2s; }
.timeline-item:nth-child(3) { animation-delay: 0.3s; }
.timeline-item:nth-child(4) { animation-delay: 0.4s; }
.timeline-item:nth-child(5) { animation-delay: 0.5s; }
.timeline-item:nth-child(6) { animation-delay: 0.6s; }
.timeline-item:nth-child(7) { animation-delay: 0.7s; }

@keyframes slide-in {
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.timeline-marker {
  position: absolute;
  left: -47px;
  top: 8px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--bg-primary);
  border: 2px solid var(--neon-cyan);
  box-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
  z-index: 1;
}

.timeline-item:hover .timeline-marker {
  background: var(--neon-cyan);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.8);
}

.timeline-content {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 28px;
  transition: all 0.3s ease;
}

.timeline-content:hover {
  border-color: rgba(0, 240, 255, 0.3);
  box-shadow: 0 0 25px rgba(0, 240, 255, 0.06);
}

.timeline-header {
  margin-bottom: 16px;
}

.timeline-header h3 {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.timeline-company {
  display: block;
  font-family: var(--font-body);
  font-size: 1rem;
  color: var(--neon-cyan);
  font-weight: 600;
  margin-bottom: 4px;
}

.timeline-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

.timeline-details {
  list-style: none;
  margin-bottom: 16px;
}

.timeline-details li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 8px;
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.timeline-details li::before {
  content: '>';
  position: absolute;
  left: 0;
  color: var(--neon-magenta);
  font-family: var(--font-mono);
  font-weight: 700;
}

.timeline-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.timeline-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  padding: 4px 10px;
  background: rgba(168, 85, 247, 0.1);
  border: 1px solid rgba(168, 85, 247, 0.2);
  color: var(--neon-purple);
  border-radius: 4px;
  letter-spacing: 0.5px;
}

/* ============================================
   PROJECTS SECTION
   ============================================ */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.project-card {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 32px;
  transition: all 0.4s ease;
  overflow: hidden;
}

.project-card-glow {
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(0, 240, 255, 0.03) 0%, transparent 70%);
  opacity: 0;
  transition: opacity 0.4s ease;
  pointer-events: none;
}

.project-card:hover .project-card-glow {
  opacity: 1;
}

.project-card:hover {
  border-color: rgba(0, 240, 255, 0.4);
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), 0 0 30px rgba(0, 240, 255, 0.08);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}

.project-icon {
  font-size: 2rem;
}

.project-link {
  font-size: 1.5rem;
  color: var(--text-dim);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.project-name {
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 2px;
}

.project-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.project-tech {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.project-tech span {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--neon-cyan);
  letter-spacing: 0.5px;
}

.project-tech span:not(:last-child)::after {
  content: ' ·';
  color: var(--text-dim);
  margin-left: 8px;
}

/* ============================================
   CONTACT SECTION
   ============================================ */
.contact-content {
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
}

.contact-text {
  font-size: 1.1rem;
  color: var(--text-secondary);
  margin-bottom: 40px;
  line-height: 1.8;
}

.contact-links {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  margin-bottom: 40px;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text-secondary);
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  transition: color 0.3s ease;
  letter-spacing: 1px;
}

.contact-item:hover {
  color: var(--neon-cyan);
}

.contact-icon {
  font-size: 1.2rem;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
  position: relative;
  z-index: 1;
  padding: 40px 0;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

footer p {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 1px;
}

/* ============================================
   SCROLL ANIMATIONS (Intersection Observer)
   ============================================ */
.section {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 768px) {
  body {
    font-size: 16px;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: rgba(10, 10, 15, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--border-color);
  }

  .nav-links.active {
    display: flex;
  }

  .nav-toggle {
    display: flex;
  }

  #hero {
    padding: 100px 24px 60px;
  }

  .hero-stats {
    gap: 24px;
  }

  .stat-number {
    font-size: 2rem;
  }

  .scroll-indicator {
    display: none;
  }

  .about-grid {
    grid-template-columns: 1fr;
  }

  .skills-grid {
    grid-template-columns: 1fr;
  }

  .projects-grid {
    grid-template-columns: 1fr;
  }

  .timeline {
    padding-left: 24px;
  }

  .timeline-marker {
    left: -31px;
    width: 12px;
    height: 12px;
  }

  .section {
    padding: 60px 0;
  }

  .section-title {
    margin-bottom: 40px;
  }

  .hero-cta {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 480px) {
  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: flex-start;
  }

  .stat {
    text-align: left;
  }

  .timeline-content {
    padding: 20px;
  }
}

/* ============================================
   SELECTION & SCROLLBAR
   ============================================ */
::selection {
  background: rgba(0, 240, 255, 0.3);
  color: var(--text-primary);
}

::-webkit-scrollbar {
  width: 8px;
}

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

::-webkit-scrollbar-thumb {
  background: rgba(0, 240, 255, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(0, 240, 255, 0.4);
}