/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
  /* Dynamic Hue-shift accent (controlled by JS toggle) */
  --accent-hue: 250; /* Indigo/Purple default */
  
  /* Color Palette */
  --primary-color: hsl(var(--accent-hue), 95%, 65%);
  --secondary-color: hsl(calc(var(--accent-hue) + 55), 90%, 60%);
  --tertiary-color: hsl(calc(var(--accent-hue) - 55), 90%, 65%);
  
  --bg-darker: #060814;
  --bg-dark: #0b0f19;
  --bg-light-dark: #121829;
  
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  
  /* Glassmorphism & Shadows */
  --glass-bg: rgba(11, 15, 25, 0.65);
  --glass-border: rgba(255, 255, 255, 0.07);
  --glass-border-hover: rgba(255, 255, 255, 0.15);
  --glow-shadow: 0 0 25px rgba(139, 92, 246, 0.15);
  
  /* Typography */
  --font-main: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  
  /* Dimensions & Speed */
  --nav-height: 80px;
  --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s ease;
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-main);
  background-color: var(--bg-darker);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}
::-webkit-scrollbar-track {
  background: var(--bg-darker);
}
::-webkit-scrollbar-thumb {
  background: var(--bg-light-dark);
  border: 2px solid var(--bg-darker);
  border-radius: 5px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--primary-color);
}

/* ==========================================================================
   Background Graphics & Canvas
   ========================================================================== */
#ambient-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -2;
  background: linear-gradient(135deg, #05070f 0%, #0c1020 100%);
  pointer-events: all;
}

.ambient-glow {
  position: fixed;
  border-radius: 50%;
  filter: blur(140px);
  z-index: -1;
  opacity: 0.18;
  pointer-events: none;
  animation: float-glow 25s infinite alternate ease-in-out;
}

.glow-1 {
  width: 500px;
  height: 500px;
  background: var(--primary-color);
  top: -10%;
  left: -10%;
}

.glow-2 {
  width: 600px;
  height: 600px;
  background: var(--secondary-color);
  bottom: -15%;
  right: -10%;
  animation-delay: -5s;
}

.glow-3 {
  width: 400px;
  height: 400px;
  background: var(--tertiary-color);
  top: 40%;
  left: 50%;
  transform: translate(-50%, -50%);
  animation-delay: -10s;
}

@keyframes float-glow {
  0% {
    transform: translate(0, 0) scale(1);
  }
  50% {
    transform: translate(5%, 10%) scale(1.1);
  }
  100% {
    transform: translate(-5%, -5%) scale(0.9);
  }
}

/* ==========================================================================
   Typography & Typography Components
   ========================================================================== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.accent-text {
  color: var(--primary-color);
  font-weight: 600;
}

/* ==========================================================================
   Layout Elements & Helper Classes
   ========================================================================== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  width: 100%;
}

.glass-panel {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 20px;
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
  transition: var(--transition-smooth);
}

.glass-panel:hover {
  border-color: var(--glass-border-hover);
  box-shadow: var(--glow-shadow), 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

/* Buttons */
.glass-btn {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-family: var(--font-main);
  padding: 0.75rem 1.5rem;
  border-radius: 12px;
  cursor: pointer;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition-fast);
}

.glass-btn:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--primary-color);
  box-shadow: 0 0 15px rgba(var(--accent-hue), 95%, 65%, 0.25);
  transform: translateY(-2px);
}

.glass-btn.secondary {
  opacity: 0.7;
}

.glass-btn.secondary:hover {
  opacity: 1;
  border-color: var(--glass-border-hover);
  box-shadow: none;
}

.glass-btn.icon-btn {
  padding: 0.75rem;
  border-radius: 50%;
}

.cta-btn-sm {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #05070f;
  text-decoration: none;
  font-weight: 600;
  padding: 0.6rem 1.2rem;
  border-radius: 10px;
  font-size: 0.9rem;
  transition: var(--transition-fast);
  box-shadow: 0 4px 15px rgba(var(--primary-color), 0.3);
}

.cta-btn-sm:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(var(--primary-color), 0.5);
  filter: brightness(1.1);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.glass-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 100;
  background: rgba(6, 8, 20, 0.6);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-smooth);
}

.nav-container {
  max-width: 1200px;
  height: 100%;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
  text-decoration: none;
  font-family: var(--font-mono);
  letter-spacing: -0.5px;
}

.logo-accent {
  color: var(--primary-color);
  transition: var(--transition-smooth);
}

.nav-menu {
  display: flex;
  gap: 2.5rem;
}

.nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  position: relative;
  padding: 0.5rem 0;
  transition: var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
  transition: var(--transition-fast);
}

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--nav-height);
  z-index: 1;
}

.hero-container {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1.5rem;
  max-width: 800px;
  animation: fade-in-up 1s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-badge {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--glass-border);
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

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

.pulse-dot::after {
  content: '';
  position: absolute;
  top: -4px;
  left: -4px;
  right: -4px;
  bottom: -4px;
  border: 2px solid var(--secondary-color);
  border-radius: 50%;
  animation: pulse-ring 1.8s cubic-bezier(0.215, 0.61, 0.355, 1) infinite;
  opacity: 0;
}

@keyframes pulse-ring {
  0% {
    transform: scale(0.35);
    opacity: 0.8;
  }
  80%, 100% {
    transform: scale(1.6);
    opacity: 0;
  }
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -2px;
}

.text-animated {
  background-size: 200% auto;
  animation: text-shine 4s linear infinite;
}

@keyframes text-shine {
  to {
    background-position: 200% center;
  }
}

.hero-subtitle {
  font-size: 2.2rem;
  font-weight: 700;
  height: 48px;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.cursor {
  animation: cursor-blink 0.8s infinite;
  color: var(--primary-color);
  font-weight: 100;
}

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

.hero-description {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 650px;
  margin-bottom: 1rem;
}

.hero-actions {
  display: flex;
  gap: 1.5rem;
}

.cta-btn-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #05070f;
  text-decoration: none;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 14px;
  font-size: 1.05rem;
  transition: var(--transition-smooth);
  box-shadow: 0 8px 30px rgba(var(--primary-color), 0.25);
  display: inline-flex;
  align-items: center;
}

.cta-btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(var(--primary-color), 0.45), var(--glow-shadow);
  filter: brightness(1.1);
}

.cta-btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
  padding: 1rem 2rem;
  border-radius: 14px;
  font-size: 1.05rem;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.cta-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--glass-border-hover);
  transform: translateY(-3px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.scroll-down-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  color: var(--text-muted);
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.arrow-bounce {
  width: 24px;
  height: 24px;
  position: relative;
}

.arrow-bounce::after {
  content: '';
  position: absolute;
  top: 0;
  left: 8px;
  width: 8px;
  height: 8px;
  border-right: 2px solid var(--text-muted);
  border-bottom: 2px solid var(--text-muted);
  transform: rotate(45deg);
  animation: arrow-bounce-anim 1.5s infinite;
}

@keyframes arrow-bounce-anim {
  0%, 100% {
    transform: translateY(0) rotate(45deg);
    opacity: 0.5;
  }
  50% {
    transform: translateY(6px) rotate(45deg);
    opacity: 1;
  }
}

/* ==========================================================================
   Sections Layout & Headers
   ========================================================================== */
section {
  padding: 8rem 0;
  position: relative;
  z-index: 1;
}

.section-header {
  max-width: 600px;
  margin-bottom: 4rem;
}

.section-tag {
  color: var(--primary-color);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  display: inline-block;
  margin-bottom: 0.8rem;
}

.section-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -1.5px;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.15rem;
  color: var(--text-secondary);
}

/* ==========================================================================
   Domains Grid & Interactive Cards
   ========================================================================== */
.domains-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.interactive-card {
  position: relative;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 3rem 2rem;
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
  overflow: hidden;
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  transform-style: preserve-3d;
  perspective: 1000px;
}

.card-glow-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle 250px at var(--mouse-x, 0) var(--mouse-y, 0), rgba(255, 255, 255, 0.05), transparent 80%);
  pointer-events: none;
  z-index: 2;
}

.interactive-card:hover {
  transform: translateY(-5px);
  border-color: var(--primary-color);
  box-shadow: 0 20px 45px -10px rgba(0, 0, 0, 0.5), 0 0 25px rgba(var(--accent-hue), 95%, 65%, 0.1);
}

.card-icon {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  color: var(--primary-color);
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-smooth);
}

.interactive-card:hover .card-icon {
  background: rgba(var(--accent-hue), 95%, 65%, 0.1);
  color: var(--text-primary);
  border-color: var(--primary-color);
  transform: translateZ(20px);
}

.card-title {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  transition: var(--transition-fast);
}

.interactive-card:hover .card-title {
  color: var(--primary-color);
  transform: translateZ(10px);
}

.card-text {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.card-footer-tags {
  margin-top: auto;
  display: flex;
  gap: 0.6rem;
}

.tag {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--glass-border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.7rem;
  border-radius: 6px;
  color: var(--text-secondary);
}

.interactive-card:hover .tag {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

/* ==========================================================================
   Playground Sandbox & Control Board
   ========================================================================== */
.playground-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: stretch;
}

.control-panel {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.panel-title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: -0.5px;
  border-bottom: 1px solid var(--glass-border);
  padding-bottom: 1rem;
}

.control-group {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
}

.control-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.badge {
  background: rgba(var(--accent-hue), 95%, 65%, 0.1);
  color: var(--primary-color);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(var(--accent-hue), 95%, 65%, 0.2);
}

/* Custom Neon Range Slider */
.neon-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 6px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.05);
  outline: none;
  transition: var(--transition-fast);
}

.neon-slider::-webkit-slider-runnable-track {
  width: 100%;
  height: 6px;
  cursor: pointer;
}

.neon-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--primary-color);
  cursor: pointer;
  box-shadow: 0 0 10px var(--primary-color);
  margin-top: -6px; /* center thumb vertically */
  transition: var(--transition-fast);
}

.neon-slider::-webkit-slider-thumb:hover {
  transform: scale(1.25);
  box-shadow: 0 0 15px var(--primary-color);
}

.control-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-top: 1rem;
}

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

/* Monitor Dashboard Panel */
.monitor-panel {
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.monitor-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.2rem;
}

.stat-box {
  background: rgba(0, 0, 0, 0.2);
  border: 1px solid var(--glass-border);
  padding: 1.2rem 1rem;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-value {
  font-size: 1.5rem;
  font-family: var(--font-mono);
  font-weight: 700;
}

.text-cyan { color: var(--primary-color); text-shadow: 0 0 10px rgba(var(--accent-hue), 95%, 65%, 0.3); }
.text-purple { color: var(--secondary-color); text-shadow: 0 0 10px rgba(var(--accent-hue), 95%, 65%, 0.3); }
.text-violet { color: var(--tertiary-color); }

/* Code Visualizer */
.code-visualizer {
  flex-grow: 1;
  background: #02040a;
  border: 1px solid var(--glass-border);
  border-radius: 14px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  min-height: 200px;
}

.code-header {
  background: #080c14;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--glass-border);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.code-header .dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  display: inline-block;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.file-name {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.code-body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--text-secondary);
  overflow-x: auto;
  margin: 0;
}

/* ==========================================================================
   Connect / Contact Section
   ========================================================================== */
.contact-container {
  display: flex;
  justify-content: center;
}

.contact-card {
  width: 100%;
  max-width: 800px;
  padding: 4rem;
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.contact-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  text-align: center;
}

.contact-subtitle {
  color: var(--text-secondary);
  text-align: center;
  max-width: 550px;
  margin: 0 auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.9rem 1.2rem;
  color: var(--text-primary);
  font-family: var(--font-main);
  outline: none;
  transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.06);
  box-shadow: 0 0 15px rgba(var(--accent-hue), 95%, 65%, 0.15);
}

.submit-btn {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  color: #05070f;
  border: none;
  font-family: var(--font-main);
  font-weight: 600;
  font-size: 1.05rem;
  padding: 1rem 2rem;
  border-radius: 12px;
  cursor: pointer;
  transition: var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.8rem;
  margin-top: 1rem;
}

.submit-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(var(--primary-color), 0.35);
}

.submit-btn .arrow {
  transition: var(--transition-fast);
}

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

/* ==========================================================================
   Footer Component
   ========================================================================== */
.footer {
  background: #04060d;
  border-top: 1px solid var(--glass-border);
  padding: 5rem 0 2rem;
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.footer-brand .logo-accent {
  font-size: 1.6rem;
  font-weight: 800;
  font-family: var(--font-mono);
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.footer-links h4,
.footer-socials h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-color);
  transform: translateX(2px);
}

.footer-socials {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.social-icons {
  display: flex;
  gap: 1rem;
}

.social-icon {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-icon:hover {
  border-color: var(--primary-color);
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-2px);
}

.footer-bottom {
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.03);
  padding-top: 2rem;
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* ==========================================================================
   Animations & Transitions
   ========================================================================== */
@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Media Queries & Responsiveness
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3.5rem;
  }
  
  .domains-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
  
  .playground-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

@media (max-width: 768px) {
  section {
    padding: 5rem 0;
  }
  
  .nav-menu {
    display: none; /* simple hidden navigation menu for compact views */
  }
  
  .hero-title {
    font-size: 2.8rem;
  }
  
  .hero-subtitle {
    font-size: 1.8rem;
    height: 36px;
  }
  
  .domains-grid {
    grid-template-columns: 1fr;
  }
  
  .playground-grid {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .contact-card {
    padding: 2rem 1.5rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}