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

:root {
  /* Colors */
  --bg-primary: #0a0a0f;
  --bg-secondary: #111118;
  --bg-tertiary: #1a1a24;
  --text-primary: #ffffff;
  --text-secondary: #b8b9c4;
  --text-muted: #6b6c7a;
  
  /* Brand Colors */
  --brand-orange: #ff4d00;
  --brand-pink: #ff007f;
  --brand-cyan: #00d4ff;
  --brand-gradient: linear-gradient(135deg, var(--brand-orange), var(--brand-pink), var(--brand-cyan));
  
  /* Effects */
  --border-subtle: rgba(255, 255, 255, 0.08);
  --border-medium: rgba(255, 255, 255, 0.16);
  --glass: rgba(255, 255, 255, 0.04);
  --glow: rgba(255, 77, 0, 0.3);
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.24);
  --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.32);
  
  /* Typography */
  --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;
  
  /* Layout */
  --container-width: 1200px;
  --header-height: 72px;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-height);
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(255, 0, 127, 0.3);
  color: var(--text-primary);
}

/* Grain Texture */
.grain {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: 0.03;
  background-image: 
    radial-gradient(circle at 25% 25%, #ffffff 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, #ffffff 1px, transparent 1px);
  background-size: 100px 100px, 60px 60px;
  animation: grain 8s linear infinite;
}

@keyframes grain {
  0%, 100% { transform: translate(0, 0); }
  10% { transform: translate(-5%, -10%); }
  20% { transform: translate(-15%, 5%); }
  30% { transform: translate(7%, -25%); }
  40% { transform: translate(-5%, 25%); }
  50% { transform: translate(-15%, 10%); }
  60% { transform: translate(15%, 0%); }
  70% { transform: translate(0%, 15%); }
  80% { transform: translate(3%, 35%); }
  90% { transform: translate(-10%, 10%); }
}

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

.main {
  position: relative;
  z-index: 10;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(20px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-height);
  padding: 0 var(--space-lg);
  position: relative;
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  text-decoration: none;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.125rem;
  z-index: 2;
}

.brand-icon {
  filter: drop-shadow(0 0 8px var(--glow));
}

.brand-text {
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
  color: var(--text-primary);
  z-index: 2;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  position: relative;
  transition: transform 0.3s ease;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 1px;
  transition: transform 0.3s ease;
}

.hamburger::before { top: -8px; }
.hamburger::after { top: 8px; }

.nav-menu {
  position: relative;
}

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

.nav-link {
  position: relative;
  text-decoration: none;
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  padding: var(--space-xs) var(--space-sm);
  border-radius: 8px;
  transition: all 0.2s ease;
}

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

.nav-link--cta {
  background: var(--brand-gradient);
  color: white;
  font-weight: 600;
  padding: var(--space-xs) var(--space-md);
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.nav-link--cta:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.nav-indicator {
  position: absolute;
  bottom: -1px;
  left: 0;
  height: 2px;
  background: var(--brand-gradient);
  border-radius: 1px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  opacity: 0;
}

.nav-link[aria-current="page"] + .nav-indicator {
  opacity: 1;
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: var(--header-height) 0 0;
}

.hero-bg,
.hero-particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  z-index: 1;
}

.hero-particles {
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 10;
  text-align: center;
  max-width: 800px;
  padding: var(--space-2xl);
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  backdrop-filter: blur(10px);
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--brand-gradient);
  animation: pulse 2s infinite;
}

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

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.hero-highlight {
  background: var(--brand-gradient);
  background-clip: text;
  -webkit-background-clip: text;
  color: transparent;
  position: relative;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  line-height: 1.5;
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: var(--space-md);
  justify-content: center;
  margin-bottom: var(--space-3xl);
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: var(--space-xl);
  justify-content: center;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.875rem var(--space-lg);
  border-radius: 12px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  white-space: nowrap;
}

.btn--primary {
  background: var(--brand-gradient);
  color: white;
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

.btn--secondary:hover {
  background: var(--glass);
  border-color: var(--border-medium);
}

.btn--full {
  width: 100%;
}

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

.section-header {
  text-align: center;
  margin-bottom: var(--space-3xl);
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.5;
}

/* Services Section */
.services {
  background: var(--bg-secondary);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
  max-width: 1000px;
  margin: 0 auto;
}

.service-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 24px;
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 24px;
  padding: 1px;
  background: linear-gradient(135deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.service-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

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

.service-card--games {
  border-color: rgba(255, 77, 0, 0.3);
}

.service-card--games:hover {
  border-color: var(--brand-orange);
  box-shadow: 0 16px 64px rgba(255, 77, 0, 0.2);
}

.service-card--apps {
  border-color: rgba(0, 212, 255, 0.3);
}

.service-card--apps:hover {
  border-color: var(--brand-cyan);
  box-shadow: 0 16px 64px rgba(0, 212, 255, 0.2);
}

.service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.service-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px var(--glow));
}

.service-badge {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  padding: 0.375rem 0.875rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
}

.service-card--games .service-badge {
  background: rgba(255, 77, 0, 0.1);
  border-color: rgba(255, 77, 0, 0.3);
  color: var(--brand-orange);
}

.service-card--apps .service-badge {
  background: rgba(0, 212, 255, 0.1);
  border-color: rgba(0, 212, 255, 0.3);
  color: var(--brand-cyan);
}

.service-title {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: var(--space-md);
  letter-spacing: -0.02em;
}

.service-description {
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: var(--space-lg);
}

.service-features {
  margin-bottom: var(--space-lg);
}

.service-feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.feature-icon {
  font-size: 1.1rem;
  width: 20px;
  flex-shrink: 0;
}

.service-tech {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tech-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Work Section */
.work {
  background: linear-gradient(180deg, transparent, rgba(255, 255, 255, 0.02) 50%, transparent);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
  gap: var(--space-xl);
}

.project-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  overflow: hidden;
  transition: all 0.3s ease;
  backdrop-filter: blur(10px);
  position: relative;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.project-visual {
  position: relative;
  aspect-ratio: 16/10;
  overflow: hidden;
}

.project-image {
  width: 100%;
  height: 100%;
  background: var(--brand-gradient);
  opacity: 0.8;
}

.project-card[data-project="ember"] .project-image {
  background: linear-gradient(135deg, #ff4d00, #ff6b35);
}

.project-card[data-project="nexus"] .project-image {
  background: linear-gradient(135deg, #ff007f, #c233ff);
}

.project-card[data-project="quantum"] .project-image {
  background: linear-gradient(135deg, #00d4ff, #0099cc);
}

.project-card[data-project="intelliflow"] .project-image {
  background: linear-gradient(135deg, #00d4ff, #0066ff);
}

.project-card[data-project="mindbridge"] .project-image {
  background: linear-gradient(135deg, #00ff88, #00d4ff);
}

.project-card[data-project="visionai"] .project-image {
  background: linear-gradient(135deg, #ff007f, #ff4d00);
}

.project-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  padding: var(--space-md);
  opacity: 0;
  transition: opacity 0.3s ease;
}

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

.project-status {
  background: rgba(255, 255, 255, 0.9);
  color: var(--bg-primary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.project-play {
  background: rgba(255, 255, 255, 0.2);
  border: none;
  border-radius: 50%;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  backdrop-filter: blur(10px);
  transition: all 0.2s ease;
}

.project-play:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}

.project-content {
  padding: var(--space-lg);
}

.project-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
}

.project-description {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.5;
}

.project-tags {
  display: flex;
  gap: var(--space-xs);
  flex-wrap: wrap;
}

.tag {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  padding: 0.25rem 0.75rem;
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 500;
}

/* About Section */
.about {
  background: var(--bg-secondary);
}

.about-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.about-content .section-header {
  text-align: left;
  margin-bottom: var(--space-lg);
}

.about-text p {
  color: var(--text-secondary);
  margin-bottom: var(--space-md);
  line-height: 1.6;
}

.principles-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
}

.principles-grid {
  display: grid;
  gap: var(--space-lg);
}

.principle {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
}

.principle-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.principle h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-xs);
}

.principle p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* Capabilities Section */
.capabilities {
  background: var(--bg-primary);
}

.capabilities-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
}

.capability {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

.capability-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.capability-header h3 {
  font-size: 1.25rem;
  font-weight: 600;
}

.capability-icon {
  font-size: 1.5rem;
}

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

.capability-list li {
  color: var(--text-secondary);
  padding: var(--space-xs) 0;
  position: relative;
  padding-left: var(--space-md);
}

.capability-list li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--brand-orange);
  font-weight: bold;
}

.tech-stack {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  padding: var(--space-xl);
  backdrop-filter: blur(10px);
}

.tech-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  text-align: center;
}

.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-xl);
}

.tech-category h4 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--brand-cyan);
}

.tech-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.tech-tags span {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  padding: 0.375rem 0.75rem;
  border-radius: 8px;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

/* Contact Section */
.contact {
  background: var(--bg-secondary);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: start;
}

.contact-content .section-header {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.contact-methods {
  display: grid;
  gap: var(--space-md);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.contact-method:hover {
  border-color: var(--border-medium);
  background: rgba(255, 255, 255, 0.06);
}

.contact-method--primary {
  border-color: var(--brand-orange);
  background: rgba(255, 77, 0, 0.1);
}

.contact-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-info h3 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.25rem;
}

.contact-info p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

.contact-chat {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 20px;
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  height: 600px;
  overflow: hidden;
}

.chat-header {
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.04);
}

.chat-title {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.chat-icon {
  font-size: 2rem;
  filter: drop-shadow(0 0 8px var(--glow));
}

.chat-title h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.chat-status {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin: 0;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #00ff88;
  animation: pulse 2s infinite;
}

.main-chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  scroll-behavior: smooth;
}

.main-chat-messages::-webkit-scrollbar {
  width: 6px;
}

.main-chat-messages::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.04);
  border-radius: 3px;
}

.main-chat-messages::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: 3px;
}

.main-chat-messages::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.3);
}

.main-chat-form {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  background: rgba(255, 255, 255, 0.02);
}

.main-chat-form input {
  flex: 1;
  padding: var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease;
}

.main-chat-form input:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.main-chat-form input:focus {
  outline: none;
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.main-chat-form input::placeholder {
  color: var(--text-muted);
}

.prd-actions {
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  background: rgba(0, 212, 255, 0.05);
}

.prd-actions .btn {
  gap: var(--space-sm);
}

/* PRD Preview Styles */
.prd-preview {
  max-width: 400px !important;
  background: rgba(0, 212, 255, 0.05) !important;
  border-color: var(--brand-cyan) !important;
}

.prd-preview h4 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--brand-cyan);
  margin-bottom: var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.prd-summary {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--text-secondary);
  max-height: 200px;
  overflow-y: auto;
}

.prd-preview-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.btn--sm {
  padding: 0.5rem var(--space-md);
  font-size: 0.875rem;
  border-radius: 8px;
}

.btn--sm svg {
  width: 16px;
  height: 16px;
}

/* Form styles for backward compatibility */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: var(--space-xs);
  color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.875rem var(--space-md);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--brand-cyan);
  box-shadow: 0 0 0 3px rgba(0, 212, 255, 0.1);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* Footer */
.footer {
  background: var(--bg-tertiary);
  border-top: 1px solid var(--border-subtle);
  padding: var(--space-3xl) 0 var(--space-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-xl);
}

.footer-brand {
  max-width: 400px;
}

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

.footer-name {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.footer-tagline {
  color: var(--text-secondary);
  margin-bottom: var(--space-lg);
  line-height: 1.5;
}

.footer-social {
  display: flex;
  gap: var(--space-md);
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 10px;
  color: var(--text-secondary);
  text-decoration: none;
  transition: all 0.2s ease;
}

.social-link:hover {
  color: var(--text-primary);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-xl);
}

.footer-section h4 {
  font-weight: 600;
  margin-bottom: var(--space-md);
  color: var(--text-primary);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--space-xs);
}

.footer-section a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--border-subtle);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.footer-legal {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}

.footer-legal p {
  color: var(--text-muted);
  font-size: 0.875rem;
}

.footer-legal-links {
  display: flex;
  gap: var(--space-md);
}

.footer-legal-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.875rem;
  transition: color 0.2s ease;
}

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

.footer-badge {
  display: flex;
  align-items: center;
  gap: 0.375rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.heart {
  color: var(--brand-pink);
  animation: heartbeat 2s infinite;
}

@keyframes heartbeat {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

/* Back to Top */
.back-to-top {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: 100;
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(10px);
  transition: all 0.3s ease;
  opacity: 0;
  transform: translateY(20px);
}

.back-to-top.show {
  opacity: 1;
  transform: translateY(0);
}

.back-to-top:hover {
  background: rgba(255, 255, 255, 0.15);
  transform: translateY(-2px);
}

/* Custom Cursor */
.cursor {
  position: fixed;
  width: 20px;
  height: 20px;
  border: 2px solid rgba(255, 255, 255, 0.5);
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  mix-blend-mode: difference;
  transition: all 0.15s ease;
}

.cursor--hidden {
  opacity: 0;
}

.cursor--active {
  transform: scale(1.5);
  border-color: var(--brand-cyan);
}

/* Chat Interface Styles */
.chat-message {
  display: flex;
  gap: var(--space-sm);
  align-items: flex-start;
}

.chat-message--user {
  flex-direction: row-reverse;
}

.chat-avatar {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

.chat-message--user .chat-avatar {
  background: var(--brand-gradient);
}

.chat-content {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: var(--space-md);
  max-width: 320px;
  font-size: 1rem;
  line-height: 1.5;
  color: var(--text-secondary);
}

.chat-message--user .chat-content {
  background: var(--brand-gradient);
  color: white;
  border-color: transparent;
}

.chat-message--bot .chat-content {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--border-medium);
}

.chat-send {
  background: var(--brand-gradient);
  border: none;
  border-radius: 12px;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.chat-send:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-sm);
}

.chat-send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
}

/* Typing indicator */
.typing-indicator {
  display: flex;
  gap: 4px;
  align-items: center;
}

.typing-indicator span {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typing 1.4s infinite ease-in-out;
}

.typing-indicator span:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typing {
  0%, 60%, 100% {
    transform: translateY(0);
    opacity: 0.5;
  }
  30% {
    transform: translateY(-8px);
    opacity: 1;
  }
}

/* Responsive Design */
@media (max-width: 1024px) {
  .about-layout,
  .contact-layout,
  .footer-content {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .about-content .section-header,
  .contact-content .section-header {
    text-align: center;
  }
  
  .projects-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  }
}

@media (max-width: 768px) {
  :root {
    --space-xs: 0.375rem;
    --space-sm: 0.75rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
  }
  
  .container {
    padding: 0 var(--space-md);
  }
  
  .nav {
    padding: 0 var(--space-md);
  }
  
  .nav-toggle {
    display: block;
  }
  
  .nav-menu {
    position: absolute;
    top: 100%;
    left: var(--space-md);
    right: var(--space-md);
    background: rgba(26, 26, 36, 0.95);
    border: 1px solid var(--border-subtle);
    border-radius: 16px;
    padding: var(--space-md);
    backdrop-filter: blur(20px);
    opacity: 0;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    pointer-events: none;
  }
  
  .nav-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  
  .nav-list {
    flex-direction: column;
    gap: var(--space-sm);
    align-items: stretch;
  }
  
  .nav-link {
    padding: var(--space-sm) var(--space-md);
    text-align: center;
  }
  
  .hero-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .hero-stats {
    gap: var(--space-lg);
  }
  
  .principles-grid {
    gap: var(--space-md);
  }
  
  .principle {
    flex-direction: column;
    text-align: center;
    gap: var(--space-sm);
  }
  
  .tech-categories {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .services-grid {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
  
  .service-card {
    padding: var(--space-lg);
  }
  
  .service-features {
    margin-bottom: var(--space-md);
  }
  
  .footer-links {
    grid-template-columns: 1fr;
    gap: var(--space-lg);
  }
  
  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: var(--space-md);
  }
  
  /* Contact chat responsive */
  .contact-chat {
    height: 500px;
  }
  
  .main-chat-messages {
    padding: var(--space-md);
    gap: var(--space-sm);
  }
  
  .chat-content {
    max-width: 250px;
    font-size: 0.9rem;
  }
  
  .main-chat-form {
    padding: var(--space-md);
  }
  
  .chat-send {
    width: 44px;
    height: 44px;
  }
  
  .prd-preview {
    max-width: 280px !important;
  }
  
  .prd-preview-actions {
    flex-direction: column;
  }
  
  .btn--sm {
    padding: 0.75rem var(--space-sm);
    font-size: 0.8rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  * {
    animation: none !important;
    transition: none !important;
  }
  
  .grain,
  #flame-bg,
  #particles {
    display: none !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}

@media print {
  .header,
  .back-to-top,
  .cursor,
  #flame-bg,
  #particles,
  .grain {
    display: none !important;
  }
  
  body {
    background: white !important;
    color: black !important;
  }
  
  .section {
    break-inside: avoid;
  }
}