/* Base Styles */
:root {
  --background: #0a0e17;
  --foreground: #ffffff;
  --card-background: #141a26;
  --card-hover: #1a2234;
  --border-color: #2a3142;
  --muted-foreground: #9ca3af;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --primary-foreground: #ffffff;
  --secondary: #1f2937;
  --secondary-hover: #374151;
  --secondary-foreground: #e5e7eb;
  --accent-blue: #3b82f6;
  --accent-green: #10b981;
  --accent-purple: #8b5cf6;
  --accent-amber: #f59e0b;
  --radius: 0.5rem;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  line-height: 1.6;
  color: var(--foreground);
  background-color: var(--background);
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color 0.2s ease;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.2;
  font-weight: 700;
}

.gradient-text {
  background: linear-gradient(90deg, #3377ff, #44cc88);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  color: transparent;
}

.section-title {
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 1rem;
}

.section-subtitle {
  font-size: 1.125rem;
  text-align: center;
  color: var(--muted-foreground);
  margin-bottom: 3rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: linear-gradient(to right, #2563eb, #3b82f6);
  color: white;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
}

.btn-primary:hover {
  background: linear-gradient(to right, #1d4ed8, #2563eb);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.2);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background-color: rgba(31, 41, 55, 0.5);
  backdrop-filter: blur(8px);
  color: white;
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius);
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.1);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: rgba(55, 65, 81, 0.5);
  transform: translateY(-1px);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

/* Header/Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(10, 14, 23, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(42, 49, 66, 0.5);
  padding: 1rem 0;
}

.main-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.logo-icon {
  color: var(--primary);
}

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

.nav-links a {
  color: var(--muted-foreground);
  font-weight: 500;
}

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

.mobile-menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--foreground);
  cursor: pointer;
}

/* Hero Section */
.hero-section {
  position: relative;
  padding: 6rem 0;
  overflow: hidden;
}

.light-rays {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
  overflow: hidden;
}

.light-rays::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(59, 130, 246, 0.15) 0%, rgba(16, 185, 129, 0.05) 50%, transparent 70%);
  border-radius: 50%;
}

.light-rays::after {
  content: "";
  position: absolute;
  top: 30%;
  left: 30%;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.light-rays-alt::before {
  background: radial-gradient(circle, rgba(16, 185, 129, 0.15) 0%, rgba(59, 130, 246, 0.05) 50%, transparent 70%);
}

.hero-content {
  max-width: 600px;
  margin-bottom: 3rem;
}

.hero-section h1 {
  font-size: 4rem;
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.5rem;
  color: var(--muted-foreground);
  margin-bottom: 2.5rem;
}

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

.hero-image {
  display: flex;
  justify-content: center;
  margin-top: 3rem;
}

.calculator-preview {
  width: 100%;
  max-width: 600px;
  background-color: var(--card-background);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

.preview-header {
  display: flex;
  gap: 0.5rem;
  padding: 1rem;
  background-color: rgba(0, 0, 0, 0.2);
  border-bottom: 1px solid var(--border-color);
}

.preview-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
}

.preview-content {
  padding: 1.5rem;
}

.preview-chart {
  display: flex;
  align-items: flex-end;
  justify-content: space-around;
  height: 200px;
  margin-bottom: 2rem;
}

.chart-bar {
  width: 40px;
  background: linear-gradient(to top, #3b82f6, #60a5fa);
  border-radius: 4px 4px 0 0;
}

.preview-data {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.data-row {
  height: 20px;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

/* Features Section */
.features-section {
  padding: 6rem 0;
}

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

.feature-card {
  background-color: rgba(20, 26, 38, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.feature-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  margin-bottom: 1.5rem;
}

.feature-icon.blue {
  background-color: rgba(59, 130, 246, 0.1);
  color: #3b82f6;
}

.feature-icon.green {
  background-color: rgba(16, 185, 129, 0.1);
  color: #10b981;
}

.feature-icon.purple {
  background-color: rgba(139, 92, 246, 0.1);
  color: #8b5cf6;
}

.feature-icon.amber {
  background-color: rgba(245, 158, 11, 0.1);
  color: #f59e0b;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--muted-foreground);
}

/* How It Works Section */
.how-it-works-section {
  position: relative;
  padding: 6rem 0;
  background-color: rgba(17, 24, 39, 0.3);
}

.steps-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.step-card {
  position: relative;
  background-color: rgba(20, 26, 38, 0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-number {
  position: absolute;
  top: -20px;
  background: linear-gradient(to right, #3b82f6, #10b981);
  color: white;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
}

.step-card h3 {
  font-size: 1.5rem;
  margin: 1rem 0;
}

.step-card p {
  color: var(--muted-foreground);
  margin-bottom: 1.5rem;
}

.step-icon {
  color: var(--primary);
  margin-top: auto;
}

.step-connector {
  width: 2px;
  height: 40px;
  background: linear-gradient(to bottom, #3b82f6, #10b981);
}

/* Benefits Section */
.benefits-section {
  padding: 6rem 0;
}

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

.benefit-card {
  background-color: rgba(20, 26, 38, 0.5);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 2rem;
  transition: transform 0.3s ease;
}

.benefit-card:hover {
  transform: translateY(-5px);
}

.benefit-icon {
  color: var(--primary);
  margin-bottom: 1.5rem;
}

.benefit-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

.benefit-card p {
  color: var(--muted-foreground);
}

/* CTA Section */
.cta-section {
  position: relative;
  padding: 6rem 0;
}

.cta-card {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
  backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius);
  padding: 3rem;
  text-align: center;
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-text {
  font-size: 1.25rem;
  color: var(--muted-foreground);
  margin-bottom: 2.5rem;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Footer */
.site-footer {
  background-color: rgba(17, 24, 39, 0.5);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-color);
  padding: 3rem 0;
}

.footer-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.5rem;
  text-align: center;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.25rem;
}

.copyright {
  color: var(--muted-foreground);
}

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

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

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

/* Responsive Styles */
@media (min-width: 768px) {
  .hero-section .container {
    display: flex;
    align-items: center;
    gap: 2rem;
  }

  .hero-content {
    flex: 1;
    margin-bottom: 0;
  }

  .hero-image {
    flex: 1;
    margin-top: 0;
  }

  .steps-container {
    flex-direction: row;
    align-items: stretch;
  }

  .step-card {
    flex: 1;
  }

  .step-connector {
    width: 40px;
    height: 2px;
    align-self: center;
  }

  .footer-content {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }

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

  .hero-section h1 {
    font-size: 3rem;
  }

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

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