/* CSS Design System for Jesus Chavez Portfolio */
@import url('https://fonts.googleapis.com/css2?family=Archivo:wght@300;400;500;600;700;800&family=Space+Grotesk:wght@300;400;500;600;700&display=swap');

/* --- Root variables --- */
:root {
  --color-primary: #1E293B;
  --color-secondary: #334155;
  --color-cta: #22C55E;
  --color-cta-hover: #16A34A;
  --color-background: #0F172A;
  --color-bg-card: rgba(30, 41, 59, 0.4);
  --color-text: #F8FAFC;
  --color-text-muted: #94A3B8;
  
  --color-blue: #3B82F6;
  --color-cyan: #06B6D4;
  --color-purple: #A855F7;
  --color-orange: #F97316;
  --color-red: #EF4444;
  
  --font-heading: 'Archivo', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-glow-emerald: 0 0 20px rgba(34, 197, 94, 0.2);
  --shadow-glow-blue: 0 0 20px rgba(59, 130, 246, 0.2);
  
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 18px;
  --border-radius-full: 9999px;
  
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-background);
  color: var(--color-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* --- Canvas and Background Graphics --- */
#neural-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
  pointer-events: all;
  opacity: 0.65;
}

/* Ambient glow blobs in background */
body::before {
  content: '';
  position: fixed;
  top: -10%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.08) 0%, rgba(15, 23, 42, 0) 70%);
  z-index: -2;
  pointer-events: none;
  filter: blur(80px);
  animation: float-slow 30s infinite alternate;
}

body::after {
  content: '';
  position: fixed;
  bottom: -10%;
  right: -10%;
  width: 60vw;
  height: 60vw;
  background: radial-gradient(circle, rgba(34, 197, 94, 0.08) 0%, rgba(15, 23, 42, 0) 70%);
  z-index: -2;
  pointer-events: none;
  filter: blur(85px);
  animation: float-slow 40s infinite alternate-reverse;
}

@keyframes float-slow {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(5%, 5%) scale(1.1); }
}

/* --- Accessibility & Skip Links --- */
.skip-link {
  position: fixed;
  top: -100px;
  left: 20px;
  background: var(--color-cta);
  color: white;
  padding: 10px 20px;
  z-index: 10000;
  border-radius: var(--border-radius-sm);
  transition: top var(--transition-fast);
  font-weight: 600;
  text-decoration: none;
  outline: none;
  box-shadow: var(--shadow-xl);
}

.skip-link:focus {
  top: 20px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

/* --- Layout Elements --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section-padding {
  padding: var(--space-3xl) 0;
  position: relative;
}

.section-header {
  margin-bottom: var(--space-2xl);
  text-align: center;
}

.section-header.align-left {
  text-align: left;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-cta);
  margin-bottom: var(--space-sm);
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-text);
  margin-bottom: var(--space-md);
}

.header-line {
  width: 60px;
  height: 4px;
  background: linear-gradient(90deg, var(--color-blue), var(--color-cta));
  margin: 0 auto;
  border-radius: var(--border-radius-full);
}

.section-header.align-left .header-line {
  margin: 0;
}

/* --- Header / Navigation --- */
.navbar-wrapper {
  position: fixed;
  top: var(--space-md);
  left: var(--space-md);
  right: var(--space-md);
  z-index: 1000;
  transition: transform var(--transition-normal);
}

.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 2rem;
  background: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
}

.logo-container {
  display: flex;
  align-items: center;
}

.brand-logo {
  height: 48px;
  object-fit: contain;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.logo-text .accent {
  color: var(--color-cta);
}

.nav-links {
  display: flex;
  list-style: none;
  align-items: center;
  gap: var(--space-md);
}

.nav-item {
  font-size: 0.95rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  color: var(--color-text-muted);
  border-radius: var(--border-radius-sm);
  transition: all var(--transition-fast);
  cursor: pointer;
}

.nav-item:hover, .nav-item.active {
  color: var(--color-text);
  background: rgba(255, 255, 255, 0.05);
}

.btn-nav {
  background: linear-gradient(135deg, var(--color-blue), var(--color-cta));
  color: white !important;
  font-weight: 600;
}

.btn-nav:hover {
  box-shadow: var(--shadow-glow-emerald);
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  padding: var(--space-xs);
  border-radius: var(--border-radius-sm);
}

/* --- Hero Section --- */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 100px;
  position: relative;
  overflow: hidden;
}

.hero-container {
  text-align: center;
  z-index: 2;
  max-width: 900px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: var(--color-cta);
  padding: 6px 16px;
  border-radius: var(--border-radius-full);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: var(--space-xl);
  box-shadow: var(--shadow-glow-emerald);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-cta);
  border-radius: 50%;
  position: relative;
}

.badge-dot::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: var(--color-cta);
  border-radius: 50%;
  animation: pulse-dot 1.8s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(3.5); opacity: 0; }
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  color: var(--color-text);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #FFFFFF 30%, #94A3B8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: clamp(1.2rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: var(--space-xl);
  color: var(--color-text-muted);
}

.hero-subtitle .role-text {
  color: var(--color-text);
  border-bottom: 2px solid var(--color-blue);
  padding-bottom: 2px;
}

.hero-subtitle .ampersand {
  color: var(--color-text-muted);
  font-weight: 400;
  margin: 0 var(--space-xs);
}

.hero-subtitle .role-highlight {
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto var(--space-2xl) auto;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.85rem 1.75rem;
  border-radius: var(--border-radius-md);
  font-size: 1rem;
  font-weight: 600;
  transition: all var(--transition-normal);
  cursor: pointer;
  border: none;
  outline: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-blue), var(--color-cta));
  color: white;
  box-shadow: 0 4px 14px rgba(34, 197, 94, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(34, 197, 94, 0.35);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.04);
  color: var(--color-text);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.btn-icon {
  transition: transform var(--transition-fast);
}

.btn:hover .btn-icon {
  transform: translateX(4px);
}

/* --- Scroll Indicator --- */
.scroll-indicator {
  position: absolute;
  bottom: var(--space-xl);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  cursor: pointer;
  color: var(--color-text-muted);
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}

.scroll-indicator:hover {
  opacity: 1;
}

.scroll-indicator .mouse {
  width: 24px;
  height: 40px;
  border: 2px solid var(--color-text-muted);
  border-radius: var(--border-radius-full);
  position: relative;
}

.scroll-indicator .wheel {
  width: 4px;
  height: 8px;
  background-color: var(--color-text-muted);
  border-radius: var(--border-radius-full);
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.6s infinite;
}

@keyframes scroll-wheel {
  0% { transform: translate(-50%, 0); opacity: 1; }
  100% { transform: translate(-50%, 12px); opacity: 0; }
}

.scroll-indicator .arrow {
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--color-text-muted);
  border-bottom: 2px solid var(--color-text-muted);
  transform: rotate(45deg);
  animation: scroll-arrow 1.6s infinite;
}

@keyframes scroll-arrow {
  0% { transform: translate(0, 0) rotate(45deg); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translate(0, 4px) rotate(45deg); opacity: 0; }
}

/* --- Profile Section --- */
.profile-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-3xl);
  align-items: center;
}

.profile-lead {
  font-size: 1.5rem;
  line-height: 1.4;
  margin-bottom: var(--space-lg);
  color: var(--color-text);
  font-weight: 600;
}

.profile-text p {
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-size: 1.05rem;
}

.profile-philosophy-box {
  margin-top: var(--space-xl);
  padding: var(--space-lg);
  background: rgba(59, 130, 246, 0.05);
  border-left: 4px solid var(--color-blue);
  border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.quote-svg-icon {
  color: var(--color-blue);
  opacity: 0.5;
  flex-shrink: 0;
}

.profile-philosophy-box blockquote {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 500;
  font-style: italic;
  color: var(--color-text);
}

.profile-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

.stat-card {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.stat-card:hover {
  transform: translateX(6px);
  border-color: rgba(255, 255, 255, 0.12);
  background: rgba(30, 41, 59, 0.6);
  box-shadow: var(--shadow-lg);
}

.stat-icon-wrapper {
  width: 50px;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius-md);
  background: rgba(255, 255, 255, 0.03);
  flex-shrink: 0;
  transition: transform var(--transition-fast);
}

.stat-card:hover .stat-icon-wrapper {
  transform: scale(1.1);
}

.text-emerald { color: var(--color-cta); }
.text-blue { color: var(--color-blue); }
.text-cyan { color: var(--color-cyan); }
.text-purple { color: var(--color-purple); }
.text-orange { color: var(--color-orange); }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--color-text);
}

.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --- Pillars Section --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: var(--space-lg);
}

.pillar-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  padding: var(--space-xl);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.04) 0%, rgba(255, 255, 255, 0) 100%);
  opacity: 0;
  transition: opacity var(--transition-normal);
  pointer-events: none;
}

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

.pillar-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
  box-shadow: var(--shadow-xl);
}

/* Dynamic glow effect borders on card hover */
.pillar-card:nth-child(1):hover { box-shadow: var(--shadow-glow-emerald); border-color: rgba(34, 197, 94, 0.3); }
.pillar-card:nth-child(2):hover { box-shadow: var(--shadow-glow-blue); border-color: rgba(59, 130, 246, 0.3); }
.pillar-card:nth-child(3):hover { box-shadow: 0 0 20px rgba(6, 182, 212, 0.2); border-color: rgba(6, 182, 212, 0.3); }
.pillar-card:nth-child(4):hover { box-shadow: 0 0 20px rgba(168, 85, 247, 0.2); border-color: rgba(168, 85, 247, 0.3); }
.pillar-card:nth-child(5):hover { box-shadow: 0 0 20px rgba(249, 115, 22, 0.2); border-color: rgba(249, 115, 22, 0.3); }

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
  transition: transform var(--transition-fast);
}

.pillar-card:hover .pillar-icon {
  transform: scale(1.1) rotate(2deg);
}

.bg-emerald-trans { background: rgba(34, 197, 94, 0.1); }
.bg-blue-trans { background: rgba(59, 130, 246, 0.1); }
.bg-cyan-trans { background: rgba(6, 182, 212, 0.1); }
.bg-purple-trans { background: rgba(168, 85, 247, 0.1); }
.bg-orange-trans { background: rgba(249, 115, 22, 0.1); }

.pillar-title {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  color: var(--color-text);
}

.pillar-value {
  font-size: 0.9rem;
  color: var(--color-text);
  margin-bottom: var(--space-sm);
  line-height: 1.5;
}

.pillar-value strong {
  color: var(--color-text-muted);
}

.pillar-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Interactive Sandboxes / Playgrounds --- */
.sandbox-intro {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-2xl) auto;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.sandbox-tabs {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
}

.sandbox-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: 0.75rem 1.5rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-md);
  color: var(--color-text-muted);
  font-family: var(--font-heading);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.sandbox-tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: var(--color-text);
}

.sandbox-tab-btn.active {
  background: var(--color-primary);
  border-color: var(--color-cta);
  color: var(--color-text);
  box-shadow: var(--shadow-glow-emerald);
}

.sandbox-panel-wrapper {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--border-radius-lg);
  backdrop-filter: blur(12px);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
}

.sandbox-panel {
  display: none;
  padding: var(--space-2xl);
  animation: fade-in-panel var(--transition-slow);
}

.sandbox-panel.active {
  display: block;
}

@keyframes fade-in-panel {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.sandbox-panel-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--space-2xl);
  align-items: stretch;
}

.sandbox-control {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-md);
}

.sandbox-control h3 {
  font-size: 1.5rem;
  color: var(--color-text);
}

.sandbox-control p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  margin-bottom: var(--space-sm);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
  width: 100%;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text-muted);
}

.input {
  padding: 0.75rem 1rem;
  border-radius: var(--border-radius-md);
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: var(--color-primary);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  outline: none;
}

.input:focus {
  border-color: var(--color-blue);
  box-shadow: var(--shadow-glow-blue);
}

.dark-input {
  background: rgba(15, 23, 42, 0.8);
}

.input::placeholder {
  color: #5d718b;
}

.text-area {
  resize: vertical;
}

/* --- Terminal styling --- */
.sandbox-display {
  background: #020617;
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  display: flex;
  flex-direction: column;
  min-height: 280px;
  box-shadow: inset 0 2px 8px rgba(0,0,0,0.8);
  font-family: 'Courier New', Courier, monospace;
}

.terminal-header {
  background: #0f172a;
  padding: 0.5rem 1rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  gap: 6px;
  border-radius: var(--border-radius-md) var(--border-radius-md) 0 0;
}

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

.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #eab308; }
.terminal-dot.green { background-color: #22c55e; }

.terminal-title {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  margin-left: var(--space-sm);
  font-weight: 500;
}

.terminal-body {
  padding: var(--space-md);
  flex-grow: 1;
  overflow-y: auto;
  max-height: 280px;
  font-size: 0.85rem;
}

.terminal-line {
  margin-bottom: var(--space-xs);
  color: #e2e8f0;
  line-height: 1.5;
}

.terminal-line.text-muted { color: #5d718b; }
.terminal-line.text-emerald { color: #34d399; }
.terminal-line.text-blue { color: #60a5fa; }
.terminal-line.text-cyan { color: #22d3ee; }
.terminal-line.text-orange { color: #fb923c; }

/* --- Live Dashboard Sandbox styling --- */
.bg-dashboard {
  background: #0f172a;
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: var(--space-sm);
}

.dashboard-header h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

.live-pulse {
  background: rgba(34, 197, 94, 0.15);
  color: var(--color-cta);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: var(--border-radius-full);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.live-pulse::before {
  content: '';
  width: 6px;
  height: 6px;
  background-color: var(--color-cta);
  border-radius: 50%;
  animation: pulse-dot 1.2s infinite;
}

.dashboard-cards-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
}

.db-kpi-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--border-radius-sm);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  flex-direction: column;
}

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

.kpi-val {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--color-cta);
  font-family: var(--font-heading);
}

.dashboard-charts-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: var(--space-md);
  flex-grow: 1;
}

.chart-box {
  background: rgba(255, 255, 255, 0.01);
  border: 1px solid rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-md);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
}

.chart-box h5 {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-weight: 600;
}

.bar-chart {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  height: 120px;
  padding-top: var(--space-md);
  gap: var(--space-sm);
}

.chart-bar-col {
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
}

.chart-bar-container {
  width: 100%;
  height: 90px;
  display: flex;
  align-items: flex-end;
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  overflow: hidden;
}

.chart-bar-fill {
  width: 100%;
  background: linear-gradient(180deg, var(--color-blue), var(--color-cyan));
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  transition: height 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 0 10px rgba(59, 130, 246, 0.2);
}

.chart-bar-label {
  font-size: 0.65rem;
  color: var(--color-text-muted);
}

.gauge-container {
  position: relative;
  width: 100%;
  max-width: 140px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.gauge-svg {
  width: 100%;
}

.gauge-fill {
  stroke-dasharray: 251.2; /* circumference at r=40 */
  stroke-dashoffset: 251.2;
  transition: stroke-dashoffset 0.8s ease-out;
}

.gauge-label-text {
  font-size: 0.75rem;
}

.gauge-label {
  position: absolute;
  bottom: 0;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-text);
}

.year-filters {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.year-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 12px;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.year-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

.year-btn.active {
  background: var(--color-blue);
  border-color: var(--color-blue);
  color: white;
}

.dashboard-legend {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: var(--space-sm);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
}

.color-box {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}

.color-box.bg-emerald { background-color: var(--color-cta); }
.color-box.bg-blue { background-color: var(--color-blue); }
.color-box.bg-cyan { background-color: var(--color-cyan); }

/* --- VPS Deploy simulator styles --- */
.vps-steps {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.vps-step {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.vps-step.active {
  background: rgba(59, 130, 246, 0.08);
  border-color: var(--color-blue);
}

.vps-step.completed {
  background: rgba(34, 197, 94, 0.08);
  border-color: var(--color-cta);
}

.step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--color-secondary);
  color: var(--color-text);
  font-size: 0.8rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.vps-step.active .step-num {
  background: var(--color-blue);
}

.vps-step.completed .step-num {
  background: var(--color-cta);
  content: '✓';
}

.step-txt {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.vps-step.active .step-txt, .vps-step.completed .step-txt {
  color: var(--color-text);
}

/* --- Project Portfolio Section --- */
.project-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--color-text-muted);
  padding: 8px 16px;
  border-radius: var(--border-radius-full);
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all var(--transition-normal);
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  color: var(--color-text);
}

.filter-btn.active {
  background: var(--color-cta);
  border-color: var(--color-cta);
  color: white;
  box-shadow: var(--shadow-glow-emerald);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.project-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-xl);
  background: rgba(30, 41, 59, 0.5);
}

.project-tag-card {
  align-self: flex-start;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: var(--border-radius-full);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-tag { background: rgba(59, 130, 246, 0.15); color: #60a5fa; }
.infra-tag { background: rgba(6, 182, 212, 0.15); color: #22d3ee; }
.ai-tag { background: rgba(34, 197, 94, 0.15); color: #34d399; }

.project-card-title {
  font-size: 1.35rem;
  color: var(--color-text);
  margin-top: var(--space-xs);
}

.project-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  flex-grow: 1;
}

.project-detail strong {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 2px;
}

.project-detail p {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

.project-card:hover .project-detail p {
  color: var(--color-text);
}

.project-footer-card {
  display: flex;
  justify-content: space-between;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  padding-top: var(--space-md);
  gap: var(--space-md);
}

.metric-highlight {
  display: flex;
  flex-direction: column;
}

.metric-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
}

.metric-lbl {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 500;
}

/* --- Tech Stack Section --- */
.stack-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-xl);
}

.stack-cat-card {
  background: rgba(30, 41, 59, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-radius: var(--border-radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-normal);
  cursor: pointer;
}

.stack-cat-card:hover {
  background: var(--color-bg-card);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.stack-cat-header {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  padding-bottom: var(--space-md);
}

.stack-cat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.stack-cat-card:hover .stack-cat-icon {
  transform: scale(1.05);
}

.stack-cat-header h4 {
  font-size: 1.05rem;
  color: var(--color-text);
  font-weight: 700;
}

.stack-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.stack-list li {
  font-size: 0.9rem;
  color: var(--color-text-muted);
  position: relative;
  padding-left: var(--space-lg);
}

.stack-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 6px;
  height: 6px;
  background-color: var(--color-cta);
  border-radius: 50%;
  opacity: 0.4;
  transition: opacity var(--transition-fast);
}

.stack-cat-card:hover .stack-list li::before {
  opacity: 0.9;
}

.stack-cat-card:hover .stack-list li {
  color: var(--color-text);
}

/* --- Contact & Connect Section --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: var(--space-3xl);
  align-items: stretch;
}

.contact-pitch {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  margin-bottom: var(--space-2xl);
  line-height: 1.6;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.contact-item {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.04);
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--border-radius-md);
  transition: all var(--transition-fast);
}

.contact-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.08);
}

.contact-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background: rgba(255, 255, 255, 0.03);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.detail-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  display: block;
}

.detail-val {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
}

.detail-val a {
  border-bottom: 1px solid transparent;
}

.detail-val a:hover {
  color: var(--color-cta);
  border-bottom-color: var(--color-cta);
}

.contact-form-container {
  background: rgba(30, 41, 59, 0.35);
  border: 1px solid rgba(255, 255, 255, 0.05);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
}

.required {
  color: var(--color-red);
}

.form-response {
  font-size: 0.9rem;
  padding: var(--space-md);
  border-radius: var(--border-radius-md);
  margin-top: var(--space-sm);
  text-align: center;
  animation: fade-in-panel var(--transition-fast);
}

.form-response.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.2);
  color: #34d399;
}

.form-response.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid rgba(239, 68, 68, 0.2);
  color: #f87171;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  padding: var(--space-2xl) 0;
  background: rgba(9, 9, 11, 0.8);
  font-size: 0.9rem;
  color: var(--color-text-muted);
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.footer-bottom-links {
  display: flex;
  gap: var(--space-md);
  align-items: center;
}

.footer-bottom-links a {
  color: var(--color-text-muted);
}

.footer-bottom-links a:hover {
  color: var(--color-text);
}

.sep {
  opacity: 0.3;
}

/* --- Animations & Reveal Classes --- */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Delay modifiers for sequential entry of items */
.reveal-delay-1 { transition-delay: 100ms; }
.reveal-delay-2 { transition-delay: 200ms; }
.reveal-delay-3 { transition-delay: 300ms; }

/* --- Media Queries --- */
@media (max-width: 1024px) {
  .profile-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }
}

@media (max-width: 768px) {
  :root {
    --space-3xl: 2.5rem;
    --space-2xl: 2rem;
  }
  
  .navbar {
    padding: 0.75rem 1.25rem;
  }
  
  .menu-toggle {
    display: block;
    z-index: 1100;
  }
  
  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border-left: 1px solid rgba(255, 255, 255, 0.08);
    flex-direction: column;
    align-items: flex-start;
    padding: 100px var(--space-xl) var(--space-xl) var(--space-xl);
    gap: var(--space-lg);
    transition: right var(--transition-normal);
  }
  
  .nav-links.mobile-open {
    right: 0;
  }
  
  .nav-item {
    font-size: 1.1rem;
    width: 100%;
    display: block;
    padding: 0.75rem 1rem;
  }
  
  .btn-nav {
    text-align: center;
    margin-top: var(--space-md);
  }

  .sandbox-panel-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .dashboard-charts-container {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
    justify-content: center;
  }
  
  .dashboard-cards-row {
    grid-template-columns: 1fr;
  }
  
  .stat-card {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
}

/* Prefers Reduced Motion settings */
@media (prefers-reduced-motion: reduce) {
  *, ::before, ::after {
    animation-delay: -1ms !important;
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    background-attachment: initial !important;
    scroll-behavior: auto !important;
    transition-duration: 0s !important;
    transition-delay: 0s !important;
  }
  
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  
  #neural-canvas {
    display: none;
  }
}