/* Import Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@300;400;500;600;700&display=swap');

/* CSS Variables / Design Tokens */
:root {
  /* Colors */
  --background: hsl(220, 20%, 4%);
  --foreground: hsl(220, 20%, 96%);
  --card: hsl(222, 22%, 8%);
  --card-foreground: hsl(220, 20%, 96%);
  --primary: hsl(220, 99%, 61%);
  --primary-foreground: hsl(0, 0%, 100%);
  --secondary: hsl(220, 14%, 14%);
  --secondary-foreground: hsl(220, 10%, 70%);
  --muted: hsl(220, 14%, 12%);
  --muted-foreground: hsl(220, 10%, 55%);
  --border: hsl(220, 14%, 16%);
  --accent: hsl(220, 99%, 61%);
  --surface-elevated: hsl(222, 22%, 10%);
  --text-tertiary: hsl(220, 10%, 40%);
  --accent-amber: hsl(40, 95%, 55%);
  --accent-crimson: hsl(0, 80%, 55%);

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 0.75rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius: 0.75rem;
  --radius-sm: 0.5rem;
  --radius-lg: 1rem;
  --radius-xl: 1.5rem;

  /* Shadows */
  --shadow-glow: 0 0 60px -12px hsl(220 99% 61% / 0.25);
  --shadow-card: 0 4px 24px -4px hsl(0 0% 0% / 0.4);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'DM Serif Display', serif;
  line-height: 1.2;
}

.font-display {
  font-family: 'DM Serif Display', serif;
}

.font-body {
  font-family: 'Inter', sans-serif;
}

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

.text-gradient {
  background: linear-gradient(135deg, hsl(220, 99%, 61%), hsl(260, 80%, 65%));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Navigation */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--background);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(10px);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 50px;
  width: auto;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  font-weight: 500;
  transition: color 0.2s;
}

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

/* Button primary text color fix */
a.btn.btn-primary {
  color: #ffffff;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--foreground);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
  border: none;
  font-family: 'Inter', sans-serif;
}

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

.btn-primary:hover {
  opacity: 0.9;
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--foreground);
  border: 1px solid var(--border);
}

.btn-outline:hover {
  background-color: var(--secondary);
}

.btn-lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

.shadow-glow {
  box-shadow: var(--shadow-glow);
}

/* Hero Section */
.hero-section {
  padding: 8rem 0 6rem;
  margin-top: 64px;
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  left: 50%;
  top: 33%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, hsl(220 99% 61% / 0.1) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  filter: blur(120px);
  animation: glow-pulse 6s ease-in-out infinite;
}

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

.hero-tagline {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}

.hero-title {
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 700px;
  margin: 0 auto 2.5rem;
  line-height: 1.7;
}

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

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

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

.section-tagline {
  color: var(--primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

.section-description {
  font-size: 1.125rem;
  color: var(--muted-foreground);
  max-width: 700px;
  margin: 0 auto;
}

/* Card Styles */
.card {
  background: linear-gradient(145deg, hsl(222, 22%, 10%), hsl(222, 22%, 7%));
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 1.5rem;
  box-shadow: var(--shadow-card);
  transition: transform 0.2s;
}

.card:hover {
  transform: translateY(-2px);
}

.card-icon {
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: hsl(220 99% 61% / 0.1);
  color: var(--primary);
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
}

.card-title {
  font-size: 1.125rem;
  margin-bottom: 0.5rem;
}

.card-description {
  font-size: 0.875rem;
  color: var(--muted-foreground);
  line-height: 1.6;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: 1.5rem;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

/* How It Works Section */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  max-width: 1000px;
  margin: 0 auto;
}

.step-card {
  text-align: center;
}

.step-number {
  width: 3rem;
  height: 3rem;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 1.25rem;
  margin: 0 auto 1.5rem;
}

.step-title {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.step-description {
  color: var(--muted-foreground);
  font-size: 0.9375rem;
}

/* Comparison Table */
.comparison-table {
  max-width: 800px;
  margin: 0 auto;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.comparison-table table {
  width: 100%;
  border-collapse: collapse;
}

.comparison-table th {
  background-color: var(--surface-elevated);
  padding: 1rem;
  text-align: left;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
}

.comparison-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--border);
}

.comparison-table tr:last-child td {
  border-bottom: none;
}

/* Pricing Cards */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
}

.pricing-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding: 2rem;
  text-align: center;
  position: relative;
}

.pricing-card.featured {
  border-color: var(--primary);
  box-shadow: var(--shadow-glow);
}

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--primary);
  color: var(--primary-foreground);
  padding: 0.25rem 0.75rem;
  border-radius: 1rem;
  font-size: 0.75rem;
  font-weight: 600;
}

.pricing-plan {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.pricing-period {
  color: var(--muted-foreground);
  font-size: 0.875rem;
  margin-bottom: 1.5rem;
}

.pricing-features {
  list-style: none;
  margin-bottom: 2rem;
  text-align: left;
}

.pricing-features li {
  padding: 0.5rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
}

.pricing-features li::before {
  content: "✓";
  color: var(--primary);
  font-weight: bold;
}

/* Footer */
.footer {
  background-color: var(--card);
  border-top: 1px solid var(--border);
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: 1rem;
}

.footer-links {
  list-style: none;
}

.footer-links a {
  color: var(--muted-foreground);
  text-decoration: none;
  font-size: 0.875rem;
  display: block;
  padding: 0.25rem 0;
  transition: color 0.2s;
}

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

.footer-bottom {
  max-width: 1400px;
  margin: 2rem auto 0;
  padding: 1.5rem 1.5rem 0;
  border-top: 1px solid var(--border);
  text-align: center;
  color: var(--muted-foreground);
  font-size: 0.875rem;
}

/* Form Styles */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background-color: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--foreground);
  font-size: 0.875rem;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--primary);
}

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

/* Tags/Pills */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.tag {
  padding: 0.375rem 0.75rem;
  background-color: transparent;
  border: 1px solid var(--border);
  border-radius: 2rem;
  font-size: 0.75rem;
  color: var(--muted-foreground);
  cursor: pointer;
  transition: all 0.2s;
}

.tag:hover {
  border-color: hsl(220 99% 61% / 0.3);
}

.tag.active {
  background-color: hsl(220 99% 61% / 0.1);
  border-color: var(--primary);
  color: var(--primary);
}

/* Progress Steps */
.progress-steps {
  display: flex;
  gap: 0.25rem;
  width: 8rem;
  margin: 0 auto 2rem;
}

.progress-step {
  height: 0.25rem;
  flex: 1;
  background-color: var(--border);
  border-radius: 1rem;
}

.progress-step.active {
  background-color: var(--primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
  }

  .mobile-menu-btn {
    display: block;
  }

  .hero-section {
    padding: 5rem 0 3rem;
  }

  .hero-title {
    font-size: 2rem;
  }

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

  section {
    padding: 3rem 0;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .steps-grid,
  .pricing-grid,
  .grid-2,
  .grid-3 {
    grid-template-columns: 1fr;
  }

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

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

@keyframes glow-pulse {
  0%, 100% {
    opacity: 0.4;
  }
  50% {
    opacity: 0.8;
  }
}

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

/* Hidden class */
.hidden {
  display: none;
}

/* Chat Widget (placeholder) */
.chat-widget {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

.chat-button {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 50%;
  background-color: var(--primary);
  color: var(--primary-foreground);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow);
  transition: transform 0.2s;
}

.chat-button:hover {
  transform: scale(1.05);
}