/* ============================================
   GradientPond - AI Training Platform
   Dark theme with Teal/Emerald accents
   ============================================ */

/* CSS Variables */
:root {
  --primary: #059669;
  --primary-light: #10b981;
  --primary-dark: #047857;
  --primary-glow: rgba(5, 150, 105, 0.3);
  --bg-darkest: #0a0f1a;
  --bg-dark: #0f172a;
  --bg-medium: #1e293b;
  --bg-light: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --border-color: rgba(148, 163, 184, 0.1);
  --border-hover: rgba(5, 150, 105, 0.4);
  --code-bg: #0d1117;
  --gradient-1: linear-gradient(135deg, #059669, #0ea5e9);
  --gradient-2: linear-gradient(135deg, #0f172a, #1e293b);
  --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(5, 150, 105, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--bg-darkest);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--primary-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.container-lg {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-color);
}

.header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-1);
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--text-primary);
}

.logo-icon {
  width: 36px;
  height: 36px;
  background: var(--gradient-1);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

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

.nav-links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: color 0.2s ease;
  position: relative;
}

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

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

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.btn-ghost {
  padding: 8px 16px;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  border: none;
  background: none;
  cursor: pointer;
  transition: color 0.2s ease;
}

.btn-ghost:hover {
  color: var(--text-primary);
}

.btn-primary {
  padding: 10px 22px;
  background: var(--primary);
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-primary:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--primary-glow);
}

.btn-secondary {
  padding: 10px 22px;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-secondary:hover {
  border-color: var(--primary);
  background: rgba(5, 150, 105, 0.05);
}

.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
  border-radius: 10px;
}

/* Mobile menu toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
}

.mobile-toggle span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 72px;
  overflow: hidden;
}

.hero-mesh {
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 50%, rgba(5, 150, 105, 0.15) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(14, 165, 233, 0.1) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 80%, rgba(139, 92, 246, 0.08) 0%, transparent 50%),
    linear-gradient(180deg, var(--bg-darkest) 0%, var(--bg-dark) 100%);
  animation: meshMove 20s ease-in-out infinite;
}

@keyframes meshMove {
  0%, 100% {
    background-position: 0% 0%, 100% 0%, 50% 100%, 0% 0%;
  }
  25% {
    background-position: 20% 20%, 80% 30%, 30% 80%, 0% 0%;
  }
  50% {
    background-position: 40% 10%, 60% 50%, 70% 60%, 0% 0%;
  }
  75% {
    background-position: 10% 40%, 90% 10%, 40% 90%, 0% 0%;
  }
}

.hero-grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(5, 150, 105, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(5, 150, 105, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text {
  max-width: 600px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.3);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--primary-light);
  margin-bottom: 24px;
}

.hero-badge .pulse {
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.5); }
}

.hero h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero h1 .gradient-text {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 500px;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
}

.hero-stats {
  display: flex;
  gap: 40px;
}

.hero-stat {
  text-align: left;
}

.hero-stat .number {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--text-primary);
}

.hero-stat .label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* Hero Code Block */
.hero-visual {
  position: relative;
}

.code-window {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.code-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: rgba(30, 41, 59, 0.5);
  border-bottom: 1px solid var(--border-color);
}

.code-dots {
  display: flex;
  gap: 8px;
}

.code-dots span {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.code-dots span:nth-child(1) { background: #ef4444; }
.code-dots span:nth-child(2) { background: #f59e0b; }
.code-dots span:nth-child(3) { background: #22c55e; }

.code-filename {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

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

.code-body .line {
  display: block;
  opacity: 0;
  animation: fadeInLine 0.3s ease forwards;
}

.code-body .line:nth-child(1) { animation-delay: 0.2s; }
.code-body .line:nth-child(2) { animation-delay: 0.4s; }
.code-body .line:nth-child(3) { animation-delay: 0.6s; }
.code-body .line:nth-child(4) { animation-delay: 0.8s; }
.code-body .line:nth-child(5) { animation-delay: 1.0s; }
.code-body .line:nth-child(6) { animation-delay: 1.2s; }
.code-body .line:nth-child(7) { animation-delay: 1.4s; }
.code-body .line:nth-child(8) { animation-delay: 1.6s; }
.code-body .line:nth-child(9) { animation-delay: 1.8s; }
.code-body .line:nth-child(10) { animation-delay: 2.0s; }
.code-body .line:nth-child(11) { animation-delay: 2.2s; }
.code-body .line:nth-child(12) { animation-delay: 2.4s; }
.code-body .line:nth-child(13) { animation-delay: 2.6s; }
.code-body .line:nth-child(14) { animation-delay: 2.8s; }

@keyframes fadeInLine {
  from { opacity: 0; transform: translateX(-10px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Syntax highlighting */
.token-keyword { color: #c084fc; }
.token-function { color: #67e8f9; }
.token-string { color: #86efac; }
.token-comment { color: #64748b; font-style: italic; }
.token-number { color: #fbbf24; }
.token-operator { color: #94a3b8; }
.token-class { color: #f472b6; }
.token-property { color: #7dd3fc; }
.token-method { color: #67e8f9; }
.token-param { color: #fdba74; }

/* ============================================
   Section Styles
   ============================================ */
section {
  padding: 100px 0;
  position: relative;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 64px;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary-light);
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.section-header p {
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

/* ============================================
   Features Grid
   ============================================ */
.features-section {
  background: var(--bg-dark);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--bg-medium);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 32px;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-1);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.feature-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: rgba(5, 150, 105, 0.1);
  border: 1px solid rgba(5, 150, 105, 0.2);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
  color: var(--text-primary);
}

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

.feature-card .feature-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--primary-light);
}

.feature-card .feature-link:hover {
  gap: 10px;
}

/* ============================================
   Dashboard Mockup Section
   ============================================ */
.dashboard-section {
  background: var(--bg-darkest);
  overflow: hidden;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 24px;
}

.dashboard-panel {
  background: var(--bg-medium);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border-color);
}

.panel-title {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-badge {
  font-size: 0.7rem;
  padding: 3px 8px;
  background: rgba(5, 150, 105, 0.15);
  color: var(--primary-light);
  border-radius: 4px;
  font-weight: 500;
}

.panel-body {
  padding: 20px;
}

/* Chart mockup */
.chart-container {
  height: 200px;
  position: relative;
  display: flex;
  align-items: flex-end;
  gap: 2px;
  padding-top: 20px;
}

.chart-bar {
  flex: 1;
  background: var(--primary);
  border-radius: 3px 3px 0 0;
  opacity: 0.7;
  transition: opacity 0.2s ease;
  animation: growBar 1.5s ease forwards;
  transform-origin: bottom;
}

.chart-bar:hover {
  opacity: 1;
}

@keyframes growBar {
  from { transform: scaleY(0); }
  to { transform: scaleY(1); }
}

.chart-line {
  position: absolute;
  inset: 20px 0 0 0;
  overflow: hidden;
}

.chart-line svg {
  width: 100%;
  height: 100%;
}

.chart-line path {
  stroke: var(--primary-light);
  stroke-width: 2;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 3s ease forwards;
}

.chart-line .area {
  fill: url(#chartGradient);
  stroke: none;
  opacity: 0;
  animation: fadeIn 1s ease 2s forwards;
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

@keyframes fadeIn {
  to { opacity: 0.3; }
}

/* GPU Metrics */
.gpu-metrics {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.gpu-metric {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.gpu-metric-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.gpu-metric-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
}

.gpu-metric-value {
  font-size: 0.85rem;
  font-weight: 600;
  font-family: var(--font-mono);
  color: var(--primary-light);
}

.progress-bar {
  height: 6px;
  background: var(--bg-dark);
  border-radius: 3px;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--gradient-1);
  border-radius: 3px;
  animation: fillBar 2s ease forwards;
  transform-origin: left;
}

@keyframes fillBar {
  from { width: 0; }
}

/* Terminal mockup */
.terminal-window {
  background: var(--code-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  overflow: hidden;
  margin-top: 24px;
}

.terminal-header {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  background: rgba(30, 41, 59, 0.5);
  border-bottom: 1px solid var(--border-color);
}

.terminal-header .terminal-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.terminal-body {
  padding: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
}

.terminal-line {
  display: flex;
  gap: 8px;
}

.terminal-prompt {
  color: var(--primary-light);
  user-select: none;
}

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

.terminal-output {
  color: var(--text-muted);
  padding-left: 20px;
}

/* ============================================
   Logos / Social Proof
   ============================================ */
.logos-section {
  background: var(--bg-dark);
  padding: 60px 0;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}

.logos-label {
  text-align: center;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 32px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.logos-track {
  overflow: hidden;
  position: relative;
  mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
  -webkit-mask-image: linear-gradient(90deg, transparent, black 10%, black 90%, transparent);
}

.logos-scroll {
  display: flex;
  gap: 60px;
  animation: scrollLogos 30s linear infinite;
  width: max-content;
}

.logos-scroll .logo-item {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-muted);
  white-space: nowrap;
  opacity: 0.5;
  transition: opacity 0.3s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logos-scroll .logo-item:hover {
  opacity: 1;
}

@keyframes scrollLogos {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ============================================
   Testimonials
   ============================================ */
.testimonials-section {
  background: var(--bg-darkest);
}

.testimonials-carousel {
  position: relative;
  overflow: hidden;
}

.testimonials-track {
  display: flex;
  transition: transform 0.5s ease;
}

.testimonial-card {
  min-width: 100%;
  padding: 0 40px;
}

.testimonial-content {
  background: var(--bg-medium);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px;
  position: relative;
}

.testimonial-content::before {
  content: '"';
  position: absolute;
  top: 20px;
  left: 30px;
  font-size: 4rem;
  color: var(--primary);
  opacity: 0.3;
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-size: 1.2rem;
  line-height: 1.8;
  color: var(--text-primary);
  margin-bottom: 32px;
  font-style: italic;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--gradient-1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  color: white;
}

.testimonial-info .name {
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
}

.testimonial-info .role {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.carousel-controls {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}

.carousel-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--bg-light);
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
}

.carousel-dot.active {
  background: var(--primary);
  transform: scale(1.2);
}

/* ============================================
   Pricing Section
   ============================================ */
.pricing-section {
  background: var(--bg-dark);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: start;
}

.pricing-card {
  background: var(--bg-medium);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  position: relative;
  transition: all 0.3s ease;
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-glow);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(180deg, rgba(5, 150, 105, 0.05) 0%, var(--bg-medium) 100%);
}

.pricing-card.featured::before {
  content: 'Most Popular';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  padding: 4px 16px;
  background: var(--primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: 100px;
}

.pricing-tier {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--primary-light);
  margin-bottom: 8px;
}

.pricing-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 8px;
}

.pricing-price .amount {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.pricing-price .period {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.pricing-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 24px;
  line-height: 1.5;
}

.pricing-features {
  list-style: none;
  margin-bottom: 32px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.pricing-features li::before {
  content: '✓';
  color: var(--primary-light);
  font-weight: 700;
  font-size: 0.85rem;
}

.pricing-card .btn-primary,
.pricing-card .btn-secondary {
  width: 100%;
  justify-content: center;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
  background: var(--bg-darkest);
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse at 50% 50%, rgba(5, 150, 105, 0.1) 0%, transparent 60%);
}

.cta-content {
  position: relative;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-content h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  margin-bottom: 16px;
  letter-spacing: -0.02em;
}

.cta-content p {
  font-size: 1.15rem;
  color: var(--text-secondary);
  margin-bottom: 36px;
  line-height: 1.7;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 16px;
}

.cta-note {
  margin-top: 20px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-color);
  padding: 80px 0 40px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 60px;
}

.footer-brand p {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 16px;
  max-width: 280px;
  line-height: 1.6;
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--bg-medium);
  border: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 0.9rem;
  transition: all 0.2s ease;
}

.footer-social a:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(5, 150, 105, 0.1);
}

.footer-column h4 {
  font-size: 0.85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-primary);
  margin-bottom: 16px;
}

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

.footer-column ul li {
  margin-bottom: 10px;
}

.footer-column ul a {
  font-size: 0.9rem;
  color: var(--text-muted);
  transition: color 0.2s ease;
}

.footer-column ul a:hover {
  color: var(--primary-light);
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 32px;
  border-top: 1px solid var(--border-color);
}

.footer-bottom p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
}

.footer-bottom-links a {
  font-size: 0.8rem;
  color: var(--text-muted);
}

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

/* ============================================
   Animations & Utilities
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.typing-cursor {
  display: inline-block;
  width: 2px;
  height: 1em;
  background: var(--primary-light);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

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

/* Counter animation */
.counter {
  font-variant-numeric: tabular-nums;
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
  .hero-content {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .hero-text {
    text-align: center;
    max-width: 100%;
  }

  .hero-description {
    max-width: 100%;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-stats {
    justify-content: center;
  }

  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 450px;
    margin: 0 auto;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }

  .nav-links {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .hero h1 {
    font-size: 2.2rem;
  }

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

  .hero-stats {
    flex-direction: column;
    gap: 16px;
    align-items: center;
  }

  .testimonial-card {
    padding: 0 10px;
  }

  .testimonial-content {
    padding: 32px 24px;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 16px;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
}

@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero h1 {
    font-size: 1.8rem;
  }

  .section-header h2 {
    font-size: 1.8rem;
  }

  .code-body {
    font-size: 0.75rem;
  }
}