:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --secondary: #10B981;
  --text: #1F2937;
  --text-light: #6B7280;
  --bg: #FFFFFF;
  --bg-alt: #F3F4F6;
  --border: #E5E7EB;
  --shadow: rgba(0, 0, 0, 0.1);
  --gradient: linear-gradient(135deg, #3B82F6 0%, #10B981 100%);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  width: 100%;
}

/* Header */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px var(--shadow);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.logo svg {
  width: 32px;
  height: 32px;
}

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

nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
  cursor: pointer;
}

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--text);
}

.mobile-menu-btn svg {
  width: 24px;
  height: 24px;
}

/* Mobile Navigation */
.mobile-menu {
  display: none;
  position: fixed;
  top: 73px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  box-shadow: 0 4px 8px var(--shadow);
  z-index: 99;
}

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

.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s;
}

.mobile-menu a:hover {
  background: var(--bg-alt);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* Main Content */
main {
  flex: 1;
  padding: 3rem 0;
}

/* Hero Section */
.hero {
  background: var(--gradient);
  color: white;
  padding: 5rem 0;
  text-align: center;
  margin-bottom: 3rem;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  max-width: 700px;
  margin: 0 auto 2rem;
}

/* Sections */
section {
  margin-bottom: 4rem;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  margin-bottom: 1.5rem;
  color: var(--text);
  text-align: center;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-light);
  text-align: center;
  max-width: 700px;
  margin: 0 auto 2rem;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: transform 0.2s, box-shadow 0.2s;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow);
}

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--gradient);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1rem;
}

.card-icon svg {
  width: 24px;
  height: 24px;
  color: white;
}

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text);
}

.card p {
  color: var(--text-light);
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 600;
  transition: background 0.2s, transform 0.2s;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: white;
  color: var(--primary);
  border: 2px solid var(--primary);
}

.btn-secondary:hover {
  background: var(--bg-alt);
}

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.125rem;
}

/* CTA Buttons */
.cta-btn {
  display: inline-block;
  padding: 0.875rem 2rem;
  background: var(--gradient);
  color: white;
  border: none;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  text-decoration: none;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(59, 130, 246, 0.4);
}

.cta-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 1rem 2rem;
  font-size: 1.125rem;
  z-index: 1000;
  box-shadow: 0 8px 25px rgba(59, 130, 246, 0.5);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem;
}

.feature-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  color: var(--primary);
  margin-top: 0.25rem;
}

.feature-item h4 {
  font-size: 1rem;
  margin-bottom: 0.25rem;
}

.feature-item p {
  font-size: 0.875rem;
  color: var(--text-light);
}

/* Blog Cards */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.blog-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 25px var(--shadow);
}

.blog-image {
  width: 100%;
  height: 200px;
  background: var(--gradient);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-image svg {
  width: 64px;
  height: 64px;
  color: white;
  opacity: 0.8;
}

.blog-content {
  padding: 1.5rem;
}

.blog-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  line-height: 1.4;
}

.blog-content p {
  color: var(--text-light);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.read-more {
  display: inline-block;
  margin-top: 1rem;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.read-more:hover {
  text-decoration: underline;
}

/* FAQ Accordion */
.faq-item {
  border-bottom: 1px solid var(--border);
  margin-bottom: 0.5rem;
}

.faq-question {
  width: 100%;
  padding: 1.25rem 0;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: transform 0.3s;
}

.faq-question[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding-bottom: 1.25rem;
  color: var(--text-light);
  line-height: 1.7;
  display: none;
}

.faq-answer.active {
  display: block;
}

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

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: var(--text);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 0.875rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 1rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-group textarea {
  min-height: 150px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 3rem 0 2rem;
  margin-top: 4rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-grid h4 {
  font-size: 1rem;
  margin-bottom: 1rem;
  color: white;
}

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

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  transition: color 0.2s;
}

.footer-links a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 1.5rem;
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

/* Page Header */
.page-header {
  background: var(--gradient);
  color: white;
  padding: 3rem 0;
  margin-bottom: 3rem;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.page-header p {
  opacity: 0.9;
  font-size: 1.125rem;
}

/* Content Sections */
.content-section {
  margin-bottom: 3rem;
}

.content-section h2 {
  font-size: 1.75rem;
  margin-bottom: 1rem;
  color: var(--text);
}

.content-section p {
  margin-bottom: 1rem;
  color: var(--text-light);
  line-height: 1.8;
}

.content-section ul {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.content-section li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

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

  nav {
    display: none;
  }

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

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

  .container {
    padding: 0 1rem;
  }

  .header-inner {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .cta-floating {
    bottom: 1rem;
    right: 1rem;
    padding: 0.875rem 1.5rem;
  }

  .card-grid,
  .blog-grid {
    grid-template-columns: 1fr;
  }
}

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

.mt-2 {
  margin-top: 2rem;
}

.mt-4 {
  margin-top: 4rem;
}

.mb-2 {
  margin-bottom: 2rem;
}

.mb-4 {
  margin-bottom: 4rem;
}