/* RustForge Landing Page Styles */

:root {
  /* Colors */
  --primary: #FF6B35;
  --primary-hover: #E85A2A;
  --primary-light: rgba(255, 107, 53, 0.1);
  --secondary: #1E1E1E;
  --background: #0D0D0D;
  --background-secondary: #161616;
  --surface: #1E1E1E;
  --surface-hover: #252525;
  --border: #2E2E2E;
  --text-primary: #FFFFFF;
  --text-secondary: #A0A0A0;
  --text-muted: #6B6B6B;
  --success: #4CAF50;
  --error: #F44336;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;
  --spacing-4xl: 96px;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 40px rgba(255, 107, 53, 0.2);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

ul {
  list-style: none;
}

img, svg {
  display: block;
  max-width: 100%;
}

/* Utility classes */
.section-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: 14px;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: all var(--transition-normal);
  white-space: nowrap;
}

.btn-icon {
  width: 18px;
  height: 18px;
}

.btn-primary {
  background: var(--primary);
  color: white;
}

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

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

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

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

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

.btn-github {
  background: #24292e;
  color: white;
}

.btn-github:hover {
  background: #2f363d;
}

.btn-large {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 16px;
  border-radius: var(--radius-lg);
}

.btn-block {
  width: 100%;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(13, 13, 13, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: all var(--transition-normal);
}

.navbar.scrolled {
  border-bottom-color: var(--border);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-md) var(--spacing-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-xl);
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo-icon {
  width: 32px;
  height: 32px;
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--transition-fast);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.nav-mobile-toggle {
  display: none;
  padding: var(--spacing-sm);
  color: var(--text-secondary);
}

.nav-mobile-toggle svg {
  width: 24px;
  height: 24px;
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 65px;
  left: 0;
  right: 0;
  background: var(--background-secondary);
  border-bottom: 1px solid var(--border);
  padding: var(--spacing-lg);
  flex-direction: column;
  gap: var(--spacing-md);
  z-index: 99;
}

.mobile-menu.open {
  display: flex;
}

.mobile-menu a {
  font-size: 16px;
  color: var(--text-secondary);
  padding: var(--spacing-sm) 0;
}

.mobile-menu hr {
  border: none;
  border-top: 1px solid var(--border);
  margin: var(--spacing-sm) 0;
}

@media (max-width: 768px) {
  .nav-links,
  .nav-actions {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }
}

/* Hero Section */
.hero {
  display: flex;
  align-items: flex-start;
  padding: 80px 0 var(--spacing-2xl) 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 80%;
  height: 150%;
  background: radial-gradient(ellipse, var(--primary-light) 0%, transparent 70%);
  pointer-events: none;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--spacing-4xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-full);
  font-size: 13px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-lg);
}

.badge-dot {
  width: 8px;
  height: 8px;
  background: var(--success);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

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

.hero-title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.1;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.hero-highlight {
  color: var(--primary);
}

.hero-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 480px;
  margin-bottom: var(--spacing-xl);
}

.hero-actions {
  display: flex;
  gap: var(--spacing-md);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

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

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
}

.stat-label {
  font-size: 13px;
  color: var(--text-muted);
}

.stat-divider {
  width: 1px;
  height: 40px;
  background: var(--border);
}

/* Hero Visual (Code Window) */
.hero-visual {
  position: relative;
}

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

.code-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--background-secondary);
  border-bottom: 1px solid var(--border);
}

.code-dots {
  display: flex;
  gap: var(--spacing-sm);
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.dot.red { background: #FF5F56; }
.dot.yellow { background: #FFBD2E; }
.dot.green { background: #27C93F; }

.code-filename {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-mono);
}

.code-content {
  padding: var(--spacing-lg);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  overflow-x: auto;
}

.code-content code {
  color: var(--text-secondary);
}

.code-content .keyword { color: #C586C0; }
.code-content .function { color: #DCDCAA; }
.code-content .string { color: #CE9178; }
.code-content .comment { color: #6A9955; }
.code-content .macro { color: #4EC9B0; }
.code-content .number { color: #B5CEA8; }

.code-output {
  border-top: 1px solid var(--border);
}

.output-header {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--background-secondary);
  font-size: 12px;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.output-content {
  padding: var(--spacing-md) var(--spacing-lg);
  font-family: var(--font-mono);
  font-size: 13px;
}

.output-line {
  display: block;
  color: var(--success);
}

@media (max-width: 1024px) {
  .hero-container {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-title {
    font-size: 42px;
  }

  .hero-subtitle {
    margin-left: auto;
    margin-right: auto;
  }

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

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

  .hero-visual {
    display: none;
  }
}

@media (max-width: 640px) {
  .hero-title {
    font-size: 32px;
  }

  .hero-actions {
    flex-direction: column;
  }

  .hero-stats {
    flex-wrap: wrap;
    gap: var(--spacing-lg);
  }

  .stat-divider {
    display: none;
  }
}

/* Features Section */
.features {
  padding: var(--spacing-4xl) 0;
  background: var(--background-secondary);
}

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

.section-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-lg);
}

.feature-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all var(--transition-normal);
}

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

.feature-icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-light);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
}

.feature-title {
  font-size: 18px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.feature-desc {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .features-grid {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 28px;
  }
}

/* Demo Section */
.demo {
  padding: var(--spacing-4xl) 0;
}

.demo-content {
  max-width: 600px;
}

.demo-features {
  margin: var(--spacing-xl) 0;
}

.demo-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  font-size: 16px;
  color: var(--text-secondary);
}

.demo-features svg {
  width: 20px;
  height: 20px;
  color: var(--success);
  flex-shrink: 0;
}

/* Pricing Section */
.pricing {
  padding: var(--spacing-4xl) 0;
  background: var(--background-secondary);
}

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

.pricing-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  position: relative;
  transition: all var(--transition-normal);
}

.pricing-card:hover {
  border-color: var(--text-muted);
  transform: translateY(-4px);
}

.pricing-card.featured {
  border-color: var(--primary);
  background: linear-gradient(135deg, var(--surface) 0%, rgba(255, 107, 53, 0.05) 100%);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary);
  color: white;
  font-size: 12px;
  font-weight: 600;
  padding: var(--spacing-xs) var(--spacing-md);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.pricing-header {
  text-align: center;
  padding-bottom: var(--spacing-lg);
  border-bottom: 1px solid var(--border);
  margin-bottom: var(--spacing-lg);
}

.pricing-tier {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.pricing-price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--spacing-xs);
  margin-bottom: var(--spacing-sm);
}

.price-amount {
  font-size: 42px;
  font-weight: 700;
}

.price-period {
  font-size: 14px;
  color: var(--text-muted);
}

.pricing-desc {
  font-size: 14px;
  color: var(--text-secondary);
}

.pricing-features {
  margin-bottom: var(--spacing-xl);
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  padding: var(--spacing-sm) 0;
  font-size: 14px;
}

.pricing-features svg {
  width: 18px;
  height: 18px;
  color: var(--success);
  flex-shrink: 0;
}

.pricing-features li.disabled {
  color: var(--text-muted);
}

.pricing-features li.disabled svg {
  color: var(--text-muted);
}

@media (max-width: 1024px) {
  .pricing-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }

  .pricing-card.featured {
    order: -1;
  }
}

/* CTA Section */
.cta {
  padding: var(--spacing-4xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--background) 0%, var(--background-secondary) 100%);
}

.cta-title {
  font-size: 36px;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
}

.cta-subtitle {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: var(--spacing-xl);
}

.cta-actions {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
}

/* Footer */
.footer {
  padding: var(--spacing-4xl) 0 var(--spacing-xl);
  background: var(--background-secondary);
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--spacing-4xl);
}

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

.footer-logo .logo-icon {
  width: 28px;
  height: 28px;
}

.footer-logo span {
  font-size: 18px;
  font-weight: 700;
}

.footer-tagline {
  font-size: 14px;
  color: var(--text-muted);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--spacing-xl);
}

.footer-column h4 {
  font-size: 14px;
  font-weight: 600;
  margin-bottom: var(--spacing-md);
  color: var(--text-primary);
}

.footer-column a {
  display: block;
  font-size: 14px;
  color: var(--text-secondary);
  padding: var(--spacing-xs) 0;
  transition: color var(--transition-fast);
}

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

.footer-bottom {
  max-width: 1200px;
  margin: var(--spacing-3xl) auto 0;
  padding: var(--spacing-lg) var(--spacing-lg) 0;
  border-top: 1px solid var(--border);
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: var(--text-muted);
}

/* Support Button in Nav */
.btn-support {
  background: linear-gradient(135deg, #ff9800 0%, #f57c00 100%);
  color: #000 !important;
  font-weight: 600;
  box-shadow: 0 2px 8px rgba(255, 152, 0, 0.3);
}

.btn-support:hover {
  background: linear-gradient(135deg, #ffb74d 0%, #ff9800 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(255, 152, 0, 0.4);
}

@media (max-width: 768px) {
  .footer-container {
    grid-template-columns: 1fr;
    gap: var(--spacing-2xl);
  }

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

/* Auth Modal */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

.modal-overlay.open {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: var(--spacing-2xl);
  max-width: 420px;
  width: 90%;
  position: relative;
  transform: scale(0.95);
  transition: transform var(--transition-normal);
}

.modal-overlay.open .modal {
  transform: scale(1);
}

.modal-close {
  position: absolute;
  top: var(--spacing-md);
  right: var(--spacing-md);
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.modal-close:hover {
  background: var(--surface-hover);
  color: var(--text-primary);
}

.auth-content {
  text-align: center;
}

.auth-header {
  margin-bottom: var(--spacing-xl);
}

.auth-logo {
  width: 56px;
  height: 56px;
  margin: 0 auto var(--spacing-lg);
}

.auth-header h2 {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.auth-header p {
  font-size: 14px;
  color: var(--text-secondary);
}

.auth-buttons {
  margin-bottom: var(--spacing-lg);
}

.auth-disclaimer {
  font-size: 12px;
  color: var(--text-muted);
}

.auth-disclaimer a {
  color: var(--text-secondary);
  text-decoration: underline;
}

.auth-disclaimer a:hover {
  color: var(--text-primary);
}