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

:root {
  /* Colors - Blue, Black, Orange */
  --color-primary: #2563eb; /* Blue */
  --color-primary-dark: #1e40af;
  --color-accent: #f97316; /* Orange */
  --color-accent-dark: #ea580c;
  --color-dark: #0f172a; /* Dark Blue-Black */
  --color-gray: #64748b;
  --color-gray-light: #f1f5f9;
  --color-white: #ffffff;
  --color-border: #e2e8f0;

  /* Typography */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

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

  /* Border Radius */
  --radius: 0.5rem;
  --radius-lg: 1rem;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* Navigation */
.navigation {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border);
  z-index: 1000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
  text-decoration: none;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-lg);
  align-items: center;
}

.nav-menu a {
  text-decoration: none;
  color: var(--color-dark);
  font-weight: 500;
  transition: color 0.3s;
}

.nav-menu a:hover,
.nav-menu a.active {
  color: var(--color-primary);
}

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

/* Hero Section */
.hero {
  padding-top: 8rem;
  padding-bottom: 4rem;
  text-align: center;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05) 0%, rgba(249, 115, 22, 0.05) 100%);
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

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

.hero p {
  font-size: 1.25rem;
  color: var(--color-gray);
  margin-bottom: var(--spacing-xl);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius);
  transition: all 0.3s;
  cursor: pointer;
  border: 2px solid transparent;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

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

.btn-accent:hover {
  background-color: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(249, 115, 22, 0.3);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-dark);
  border-color: var(--color-border);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Cards */
.card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  transition: all 0.3s;
}

.card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

.card-icon {
  width: 3rem;
  height: 3rem;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--spacing-md);
  font-size: 1.5rem;
}

.card-icon.primary {
  background-color: rgba(37, 99, 235, 0.1);
  color: var(--color-primary);
}

.card-icon.accent {
  background-color: rgba(249, 115, 22, 0.1);
  color: var(--color-accent);
}

.card h3 {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
}

.card p {
  color: var(--color-gray);
  line-height: 1.6;
}

/* Grid Layouts */
.grid {
  display: grid;
  gap: var(--spacing-lg);
}

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-2 {
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

/* Sections */
section {
  padding: var(--spacing-2xl) 0;
}

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

.section-title h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: var(--spacing-sm);
}

.section-title p {
  font-size: 1.125rem;
  color: var(--color-gray);
  max-width: 700px;
  margin: 0 auto;
}

.bg-light {
  background-color: var(--color-gray-light);
}

.bg-dark {
  background-color: var(--color-dark);
  color: var(--color-white);
}

.bg-dark .section-title h2,
.bg-dark h2,
.bg-dark h3 {
  color: var(--color-white);
}

.bg-dark p {
  color: rgba(255, 255, 255, 0.8);
}

/* Footer */
.footer {
  background-color: var(--color-dark);
  color: var(--color-white);
  padding: var(--spacing-2xl) 0 var(--spacing-md);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer h4 {
  margin-bottom: var(--spacing-md);
  color: var(--color-white);
}

.footer ul {
  list-style: none;
}

.footer ul li {
  margin-bottom: var(--spacing-xs);
}

.footer a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.3s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.6);
}

/* Form Styles */
.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 600;
  color: var(--color-dark);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem;
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 1rem;
  font-family: var(--font-sans);
  transition: border-color 0.3s;
}

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Simulator Styles */
.simulator-card {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  max-width: 600px;
  margin: 0 auto;
}

.result-box {
  background-color: var(--color-gray-light);
  border-radius: var(--radius);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
  text-align: center;
}

.result-box .amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
}

.result-box .label {
  color: var(--color-gray);
  font-size: 1rem;
}

/* Testimonials */
.testimonial {
  background-color: var(--color-white);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
}

.testimonial-header {
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-md);
}

.testimonial-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
}

.testimonial-info h4 {
  margin-bottom: 0.25rem;
}

.testimonial-info .role {
  color: var(--color-gray);
  font-size: 0.875rem;
}

.testimonial-text {
  color: var(--color-gray);
  line-height: 1.6;
  font-style: italic;
}

.stars {
  color: var(--color-accent);
  margin-bottom: var(--spacing-sm);
}

/* Carousel Styles */
.carousel-container {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
}

.carousel {
  overflow: hidden;
  border-radius: var(--radius-lg);
}

.carousel-track {
  display: flex;
  transition: transform 0.5s ease-in-out;
}

.carousel-slide {
  min-width: 100%;
  padding: 0 var(--spacing-sm);
}

.carousel-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-md);
  margin-top: var(--spacing-lg);
}

.carousel-btn {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  border: 2px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-dark);
  font-size: 1.5rem;
  cursor: pointer;
  transition: all 0.3s;
  display: flex;
  align-items: center;
  justify-content: center;
}

.carousel-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: scale(1.1);
}

.carousel-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

.carousel-btn:disabled:hover {
  border-color: var(--color-border);
  color: var(--color-dark);
  transform: scale(1);
}

.carousel-dots {
  display: flex;
  gap: var(--spacing-xs);
}

.carousel-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
  background-color: var(--color-border);
  border: none;
  cursor: pointer;
  transition: all 0.3s;
}

.carousel-dot.active {
  background-color: var(--color-primary);
  width: 2rem;
  border-radius: 1rem;
}

/* Accordion Styles */
.accordion {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.accordion-item {
  border: 2px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: all 0.3s;
}

.accordion-item.active {
  border-color: var(--color-primary);
}

.accordion-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md);
  background-color: var(--color-white);
  border: none;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  text-align: left;
  transition: all 0.3s;
}

.accordion-header:hover {
  background-color: var(--color-gray-light);
}

.accordion-item.active .accordion-header {
  background-color: var(--color-gray-light);
  color: var(--color-primary);
}

.accordion-icon {
  font-size: 1.5rem;
  font-weight: 300;
  color: var(--color-primary);
  transition: transform 0.3s;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out, padding 0.3s ease-out;
  padding: 0 var(--spacing-md);
}

.accordion-item.active .accordion-content {
  max-height: 500px;
  padding: 0 var(--spacing-md) var(--spacing-md);
}

.accordion-content p {
  color: var(--color-gray);
  line-height: 1.6;
  margin: 0;
}

/* Responsive */
@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    flex-direction: column;
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
  }

  .nav-menu.active {
    display: flex;
  }

  .mobile-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.125rem;
  }

  .cta-buttons {
    flex-direction: column;
  }

  .grid-2 {
    grid-template-columns: 1fr;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

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

.mt-lg {
  margin-top: var(--spacing-lg);
}

.flex {
  display: flex;
}

.items-center {
  align-items: center;
}

.gap-sm {
  gap: var(--spacing-sm);
}

.icon {
  width: 1.25rem;
  height: 1.25rem;
}