/* Matagi Canvas Theme - Dark Aesthetic */

/* ===== CSS Variables ===== */
:root {
  /* Background & Canvas */
  --canvas-bg: #0d0d0d;
  --canvas-surface: #1a1a1a;
  --canvas-surface-hover: #2a2a2a;
  --canvas-border: #333333;
  --canvas-border-subtle: #262626;
  
  /* Accent Colors */
  --accent-primary: #E43D12;
  --accent-primary-hover: #ff5a33;
  --accent-success: #22c55e;
  --accent-warning: #fbbf24;
  --accent-error: #ef4444;
  --accent-info: #3b82f6;
  
  /* Text */
  --text-primary: #f4f4f5;
  --text-secondary: #a1a1aa;
  --text-tertiary: #71717a;
  --text-muted: #52525b;
  
  /* Grid */
  --grid-dot: rgba(82, 82, 91, 0.3);
  --grid-dot-active: rgba(160, 160, 175, 0.55);
  --grid-line: rgba(51, 51, 51, 0.4);
  
  /* Shadows & Glows */
  --glow-primary: 0 0 20px rgba(228, 61, 18, 0.3);
  --glow-subtle: 0 0 40px rgba(228, 61, 18, 0.1);
  --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4);
  --shadow-elevated: 0 8px 32px rgba(0, 0, 0, 0.6);
  
  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
  
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-smooth: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

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

body.canvas-theme {
  font-family: var(--font-sans);
  background: var(--canvas-bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
  overflow-x: hidden;
  cursor: none;
}

/* ===== Custom Cursor ===== */
.custom-cursor {
  position: fixed;
  width: 8px;
  height: 8px;
  background: #ffffff;
  border-radius: 50%;
  pointer-events: none;
  z-index: 9999;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.5), 0 0 20px rgba(255, 255, 255, 0.3);
  transition: transform 0.1s ease, box-shadow 0.15s ease;
}

.custom-cursor.clicking {
  transform: translate(-50%, -50%) scale(0.8);
  box-shadow: 0 0 15px rgba(228, 61, 18, 0.8), 0 0 30px rgba(228, 61, 18, 0.5);
  background: var(--accent-primary);
}

/* Restore default cursor for interactive elements */
a, button, input, textarea, select, [role="button"] {
  cursor: pointer;
}

a:hover, button:hover {
  cursor: pointer;
}

/* ===== Canvas Background with Dynamic Dot Grid ===== */
#dotCanvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: var(--canvas-bg);
  pointer-events: none;
}

/* Ambient glow overlay */
.canvas-glow-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60vh;
  background: radial-gradient(ellipse 80% 50% at 50% 0%, rgba(228, 61, 18, 0.06) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}

/* ===== Container ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ===== Header ===== */
.canvas-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1rem 0;
  background: rgba(13, 13, 13, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--canvas-border-subtle);
}

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

.canvas-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.canvas-logo img {
  height: 24px;
  width: auto;
  filter: brightness(0) invert(1);
}

.canvas-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.canvas-nav-link {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9375rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

/* ===== Hero Section ===== */
.canvas-hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 8rem 1.5rem 4rem;
  position: relative;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: 100px;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

.hero-badge-dot {
  width: 6px;
  height: 6px;
  background: var(--accent-success);
  border-radius: 50%;
  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: 700;
  line-height: 1.1;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  max-width: 900px;
  margin-bottom: 1.5rem;
}

.hero-title-accent {
  background: linear-gradient(135deg, var(--accent-primary) 0%, #ff6b3d 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: clamp(1.125rem, 2vw, 1.375rem);
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto 3rem;
  line-height: 1.6;
}

/* ===== Demo Search Box ===== */
.demo-container {
  width: 100%;
  max-width: 700px;
  margin: 0 auto;
}

.demo-search-box {
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border);
  border-radius: 16px;
  padding: 1.25rem;
  box-shadow: var(--shadow-card);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.demo-search-box:focus-within {
  border-color: var(--accent-primary);
  box-shadow: var(--shadow-card), var(--glow-subtle);
}

.demo-input-wrapper {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: var(--canvas-bg);
  border-radius: 12px;
  padding: 1rem;
  border: 1px solid var(--canvas-border-subtle);
}

.demo-input-icon {
  color: var(--text-tertiary);
  flex-shrink: 0;
  margin-top: 2px;
}

.demo-input {
  flex: 1;
  background: transparent;
  border: none;
  font-size: 1.0625rem;
  font-family: var(--font-sans);
  color: var(--text-primary);
  resize: none;
  min-height: 60px;
  line-height: 1.5;
}

.demo-input::placeholder {
  color: var(--text-muted);
}

.demo-input:focus {
  outline: none;
}

.demo-submit {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--accent-primary);
  border: none;
  border-radius: 10px;
  color: white;
  cursor: pointer;
  flex-shrink: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.demo-submit:hover {
  background: var(--accent-primary-hover);
  transform: scale(1.05);
}

.demo-submit svg {
  width: 20px;
  height: 20px;
}

.demo-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 1rem;
  padding: 0 0.25rem;
  font-size: 0.8125rem;
  color: var(--text-muted);
}

.demo-hint {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ===== Animation Placeholder ===== */
.animation-placeholder {
  width: 100%;
  aspect-ratio: 16/9;
  background: var(--canvas-surface);
  border: 1px dashed var(--canvas-border);
  border-radius: 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  color: var(--text-tertiary);
  margin: 4rem 0;
}

.animation-placeholder-icon {
  width: 48px;
  height: 48px;
  opacity: 0.5;
}

.animation-placeholder-text {
  font-size: 0.875rem;
}

/* ===== Feature Cards ===== */
.features-section {
  padding: 6rem 0;
}

.features-header {
  text-align: center;
  margin-bottom: 4rem;
}

.features-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.features-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  max-width: 500px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.5rem;
}

.feature-card {
  background: var(--canvas-surface);
  border: 1px solid var(--canvas-border-subtle);
  border-radius: 16px;
  padding: 2rem;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  background: var(--canvas-border-subtle);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--accent-primary);
}

.feature-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.feature-description {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== How It Works Section ===== */
.how-section {
  padding: 6rem 0;
}

.how-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 3rem;
}

.how-step {
  text-align: center;
  padding: 2rem 1.5rem;
}

.how-step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--accent-primary);
  border-radius: 50%;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.how-step-title {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

.how-step-desc {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* ===== CTA Section ===== */
.cta-section {
  padding: 6rem 0;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.cta-subtitle {
  font-size: 1.125rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
}

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: var(--accent-primary);
  color: white;
  font-size: 0.8125rem;
  font-weight: 500;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.btn-primary:hover {
  background: var(--accent-primary-hover);
  transform: translateY(-1px);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.8125rem;
  font-weight: 500;
  border: 1px solid var(--canvas-border);
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: border-color var(--transition-fast), background var(--transition-fast);
}

.btn-secondary:hover {
  border-color: var(--text-tertiary);
  background: var(--canvas-surface);
}

/* ===== Footer (matches nav style) ===== */
.canvas-footer {
  padding: 1rem 0;
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-top: 1px solid var(--canvas-border-subtle);
}

.canvas-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.canvas-footer-brand {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.canvas-footer-brand .footer-logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.canvas-footer-brand .footer-logo img {
  height: 20px;
  width: auto;
  filter: brightness(0) invert(1);
}

.canvas-footer-brand .footer-tagline {
  color: var(--text-tertiary);
  font-size: 0.8125rem;
  padding-left: 1.5rem;
  border-left: 1px solid var(--canvas-border-subtle);
}

.canvas-footer-brand .social-link {
  color: var(--text-tertiary);
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
}

.canvas-footer-brand .social-link:hover {
  color: var(--text-primary);
}

.canvas-footer-brand .social-link svg {
  width: 20px;
  height: 20px;
}

.canvas-footer-nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.canvas-footer-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}

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

.canvas-footer-copyright {
  color: var(--text-muted);
  font-size: 0.75rem;
}

/* ===== Mobile Menu ===== */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  margin: 5px 0;
  transition: var(--transition-fast);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .canvas-hero {
    padding: 7rem 1rem 3rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .demo-input-wrapper {
    flex-direction: column;
  }
  
  .demo-input-icon {
    display: none;
  }
  
  .demo-submit {
    align-self: flex-end;
  }
  
  .demo-footer {
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .how-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .canvas-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(10, 10, 12, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    padding: 1.5rem;
    gap: 0.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  }
  
  .canvas-nav.nav-open {
    display: flex;
  }
  
  .canvas-nav .canvas-nav-link {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  }
  
  .canvas-nav .canvas-nav-link:last-of-type {
    border-bottom: none;
  }
  
  .canvas-nav .btn-primary {
    margin-top: 0.5rem;
    text-align: center;
  }
  
  .mobile-menu-btn {
    display: block;
    z-index: 101;
  }
  
  .mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  
  .mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
  }
  
  .mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  
  .canvas-footer .container {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .canvas-footer-brand {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .canvas-footer-brand .footer-tagline {
    padding-left: 0;
    border-left: none;
  }
  
  .canvas-footer-nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
}

/* ===== Animations ===== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out forwards;
}

.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }

/* ===== Snake Trail Animation (Canvas Effect) ===== */
@keyframes snakeTrail {
  0% {
    stroke-dashoffset: 200;
    opacity: 1;
  }
  80% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
  100% {
    stroke-dashoffset: 0;
    opacity: 0;
  }
}

.snake-trail {
  stroke: var(--accent-primary);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 200;
  stroke-dashoffset: 200;
  filter: drop-shadow(0 0 3px rgba(228, 61, 18, 0.7));
  animation: snakeTrail 1.5s ease-out forwards;
}

/* ===== Cursor Glow Effect ===== */
.cursor-glow {
  position: fixed;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(228, 61, 18, 0.15) 0%, rgba(228, 61, 18, 0.05) 40%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  transition: opacity 0.3s;
}