/* SpecWeaver Showcase - Material 3 Design System */
/* Using official brand colors from logo: Cyan #04e9f7, Orange #f59b15, Blue #3498f6, Cream #fdf4d8 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  /* SpecWeaver Brand Colors */
  --sw-cyan: #04e9f7;
  --sw-orange: #f59b15;
  --sw-blue: #3498f6;
  --sw-cream: #fdf4d8;
  
  /* Material 3 Dark Theme (matching SpecWeaver frontend) */
  --md-primary: 186 99% 51%; /* Cyan #04e9f7 */
  --md-on-primary: 0 0% 0%;
  --md-secondary: 33 95% 59%; /* Orange #f59b15 */
  --md-on-secondary: 0 0% 0%;
  --md-tertiary: 209 97% 61%; /* Blue #3498f6 */
  --md-on-tertiary: 0 0% 100%;
  
  --md-surface: 0 0% 11%; /* Soft Black #1C1C1C */
  --md-on-surface: 39 50% 90%; /* Warm text */
  --md-background: 0 0% 11%; /* Soft Black */
  --md-on-background: 39 50% 90%;
  
  --md-surface-container: 0 0% 11%;
  --md-surface-container-low: 0 0% 9%;
  --md-surface-container-high: 0 0% 14%;
  --md-surface-container-highest: 0 0% 18%;
  
  --md-outline: 0 0% 40%;
  --md-outline-variant: 0 0% 25%;
  
  /* Elevation Shadows */
  --elevation-1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
  --elevation-2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
  --elevation-3: 0px 4px 8px 3px rgba(0, 0, 0, 0.15), 0px 1px 3px 0px rgba(0, 0, 0, 0.3);
  --elevation-4: 0px 6px 10px 4px rgba(0, 0, 0, 0.15), 0px 2px 3px 0px rgba(0, 0, 0, 0.3);
  
  /* Shape Corner Radii */
  --radius-small: 8px;
  --radius-medium: 12px;
  --radius-large: 16px;
  --radius-extra-large: 28px;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: hsl(var(--md-background));
  color: hsl(var(--md-on-background));
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

/* Navigation */
.nav {
  position: sticky;
  top: 0;
  background: hsl(var(--md-surface-container));
  backdrop-filter: blur(10px);
  border-bottom: 1px solid hsl(var(--md-outline-variant));
  z-index: 1000;
  box-shadow: var(--elevation-1);
}

.nav-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 1.5rem;
  color: hsl(var(--md-on-surface));
  text-decoration: none;
}

.logo-text {
  background: linear-gradient(135deg, var(--sw-cyan) 0%, var(--sw-blue) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.contact-btn {
  padding: 0.625rem 1.5rem;
  background: var(--sw-cyan);
  color: black;
  border-radius: var(--radius-large);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9375rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--elevation-1);
}

.contact-btn:hover {
  background: var(--sw-blue);
  color: white;
  box-shadow: var(--elevation-3);
  transform: translateY(-2px);
}

/* Hero Section */
.hero {
  padding: 6rem 0 4rem;
  background: linear-gradient(135deg, hsl(var(--md-surface)) 0%, hsl(var(--md-surface-container-low)) 100%);
}

.hero-content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  color: hsl(var(--md-on-surface));
}

.gradient-text {
  background: linear-gradient(135deg, var(--sw-cyan) 0%, var(--sw-blue) 50%, var(--sw-orange) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: hsl(var(--md-on-surface) / 0.7);
  margin-bottom: 3rem;
  line-height: 1.6;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 3rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sw-cyan);
  margin-bottom: 0.5rem;
}

.stat-label {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: hsl(var(--md-on-surface) / 0.6);
}

/* Section Styles */
section {
  padding: 5rem 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  text-align: center;
  margin-bottom: 3rem;
  color: hsl(var(--md-on-surface));
}

/* Problem Section */
.problem-section {
  background: hsl(var(--md-surface-container-low));
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.problem-card {
  background: hsl(var(--md-surface-container-low));
  padding: 2rem;
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.problem-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.problem-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: hsl(var(--md-on-surface));
}

.problem-card p {
  color: hsl(var(--md-on-surface) / 0.7);
  line-height: 1.6;
}

/* Solution Section */
.solution-section {
  background: hsl(var(--md-background));
}

.pipeline {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: 0 auto;
}

.pipeline-step {
  background: hsl(var(--md-surface-container));
  padding: 2rem;
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-2);
  text-align: center;
  flex: 1;
  min-width: 200px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pipeline-step:hover {
  transform: scale(1.05);
  box-shadow: var(--elevation-4);
}

.step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--sw-cyan) 0%, var(--sw-blue) 100%);
  color: black;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 800;
  margin: 0 auto 1rem;
}

.step-content h3 {
  font-size: 1.125rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.step-content p {
  font-size: 0.875rem;
  color: hsl(var(--md-on-surface) / 0.7);
}

.pipeline-arrow {
  font-size: 2rem;
  color: var(--sw-cyan);
  font-weight: 800;
}

/* Features Section */
.features-section {
  background: hsl(var(--md-surface-container-low));
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.feature-card {
  background: hsl(var(--md-surface-container-low));
  padding: 2rem;
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-left: 4px solid var(--sw-cyan);
}

.feature-card:nth-child(even) {
  border-left-color: var(--sw-orange);
}

.feature-card:nth-child(3n) {
  border-left-color: var(--sw-blue);
}

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

.feature-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.feature-card p {
  color: hsl(var(--md-on-surface) / 0.7);
  line-height: 1.6;
}

/* Architecture Section */
.architecture-section {
  background: hsl(var(--md-background));
}

.architecture-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: start;
}

.architecture-diagram {
  background: hsl(var(--md-surface-container));
  padding: 2rem;
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-2);
}

.code-block {
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  line-height: 1.4;
  color: hsl(var(--md-on-surface));
  white-space: pre;
  overflow-x: auto;
}

.architecture-details h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
}

.tech-grid {
  display: grid;
  gap: 1rem;
}

.tech-item {
  background: hsl(var(--md-surface-container));
  padding: 1rem;
  border-radius: var(--radius-medium);
  font-size: 0.9375rem;
  line-height: 1.5;
}

.tech-item strong {
  color: var(--sw-cyan);
  margin-right: 0.5rem;
}

/* Use Cases Section */
.use-cases-section {
  background: hsl(var(--md-surface-container-low));
}

.use-cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.use-case-card {
  background: hsl(var(--md-surface-container-low));
  padding: 2rem;
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-2);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.use-case-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--elevation-4);
}

.use-case-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

.use-case-card p {
  color: hsl(var(--md-on-surface) / 0.7);
  line-height: 1.6;
}

/* Metrics Section */
.metrics-section {
  background: linear-gradient(135deg, hsl(var(--md-surface)) 0%, hsl(var(--md-surface-container-low)) 100%);
}

.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.metric-card {
  text-align: center;
  padding: 2rem;
  background: hsl(var(--md-surface-container-low));
  border-radius: var(--radius-large);
  box-shadow: var(--elevation-3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.metric-card:hover {
  transform: scale(1.05);
  box-shadow: var(--elevation-4);
}

.metric-value {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--sw-cyan);
  margin-bottom: 0.5rem;
}

.metric-label {
  font-size: 1rem;
  color: hsl(var(--md-on-surface) / 0.7);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--sw-cyan) 0%, var(--sw-blue) 100%);
  padding: 5rem 0;
}

.cta-content {
  text-align: center;
  color: black;
}

.cta-content h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.cta-content p {
  font-size: 1.25rem;
  margin-bottom: 2rem;
  opacity: 0.9;
}

.cta-buttons {
  display: flex;
  justify-content: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn {
  padding: 1rem 2rem;
  border-radius: var(--radius-large);
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  display: inline-block;
  box-shadow: var(--elevation-2);
}

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

.btn-primary:hover {
  background: var(--sw-cream);
  box-shadow: var(--elevation-4);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: black;
  border: 2px solid black;
}

.btn-secondary:hover {
  background: black;
  color: var(--sw-cyan);
  box-shadow: var(--elevation-4);
  transform: translateY(-2px);
}

/* Footer */
.footer {
  background: hsl(var(--md-surface-container-low));
  padding: 3rem 0 2rem;
  border-top: 1px solid hsl(var(--md-outline-variant));
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-left {
  flex: 1;
}

.footer-tagline {
  margin-top: 0.5rem;
  color: hsl(var(--md-on-surface) / 0.6);
  font-size: 0.875rem;
}

.footer-right {
  text-align: right;
}

.footer-links {
  display: flex;
  gap: 2rem;
  margin-bottom: 1rem;
}

.footer-links a {
  color: hsl(var(--md-on-surface) / 0.7);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: var(--sw-cyan);
}

.copyright {
  font-size: 0.875rem;
  color: hsl(var(--md-on-surface) / 0.5);
}

/* Responsive Design */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .architecture-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1.5rem;
  }
  
  .hero {
    padding: 4rem 0 3rem;
  }
  
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1rem;
  }
  
  .hero-stats {
    gap: 2rem;
  }
  
  .stat-value {
    font-size: 2rem;
  }
  
  section {
    padding: 3rem 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .pipeline {
    flex-direction: column;
  }
  
  .pipeline-arrow {
    transform: rotate(90deg);
  }
  
  .footer-content {
    flex-direction: column;
    text-align: center;
  }
  
  .footer-right {
    text-align: center;
  }
  
  .footer-links {
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }
  
  .section-title {
    font-size: 1.75rem;
  }
  
  .cta-content h2 {
    font-size: 1.75rem;
  }
  
  .btn {
    padding: 0.875rem 1.5rem;
    font-size: 0.9375rem;
  }
}

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

.fade-in {
  animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}