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

:root {
  --primary: #3B82F6;
  --primary-dark: #2563EB;
  --secondary: #10B981;
  --dark: #1F2937;
  --light: #F9FAFB;
  --gray: #6B7280;
  --border: #E5E7EB;
  --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: var(--light);
  min-height: 100vh;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s;
}

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
header {
  background: white;
  box-shadow: var(--shadow);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
}

.logo svg {
  width: 36px;
  height: 36px;
  color: var(--primary);
}

 nav {
  display: flex;
  gap: 32px;
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--dark);
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #3B82F6 0%, #1D4ED8 100%);
  color: white;
  padding: 100px 0 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.3;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.1;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: 40px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  font-size: 1.1rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all 0.2s;
  text-decoration: none;
}

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

.btn-primary:hover {
  background: var(--light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.2);
  color: white;
  border: 2px solid rgba(255, 255, 255, 0.5);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.3);
  border-color: white;
}

/* CTA Button */
.cta-btn {
  background: var(--primary);
  color: white;
  font-weight: 600;
  padding: 12px 28px;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
}

.cta-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}

.cta-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  padding: 16px 32px;
  font-size: 1.1rem;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  animation: pulse 2s infinite;
}

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

/* Sections */
section {
  padding: 80px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--gray);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  background: white;
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.feature-card svg {
  width: 48px;
  height: 48px;
  color: var(--primary);
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--gray);
  line-height: 1.7;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  background: var(--primary);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  margin-bottom: 12px;
  font-size: 1.25rem;
}

.step p {
  color: var(--gray);
}

/* Blog Grid */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.blog-card {
  background: white;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.blog-card-content {
  padding: 24px;
}

.blog-card h3 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  color: var(--gray);
  margin-bottom: 20px;
  line-height: 1.7;
}

.blog-card .read-more {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

/* FAQ Accordion */
.faq-item {
  background: white;
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  text-align: left;
  background: white;
  border: none;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background 0.2s;
}

.faq-question:hover {
  background: var(--light);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  color: var(--primary);
  transition: transform 0.2s;
}

.faq-question.active svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-answer.active {
  padding: 0 24px 24px;
  max-height: 500px;
}

/* Forms */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 24px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

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

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

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 60px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  font-size: 1.125rem;
  margin-bottom: 20px;
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: 12px;
}

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

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 24px;
  text-align: center;
  color: rgba(255, 255, 255, 0.6);
  font-size: 0.875rem;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  box-shadow: var(--shadow-lg);
  padding: 20px;
  z-index: 99;
}

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

.mobile-menu a {
  display: block;
  padding: 12px 0;
  color: var(--dark);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  text-decoration: none;
}

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

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

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

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

  .hero p {
    font-size: 1.1rem;
  }

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

  .cta-floating {
    bottom: 16px;
    right: 16px;
    padding: 14px 24px;
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 16px;
  }

  section {
    padding: 60px 0;
  }
}

/* Blog Article */
.blog-content {
  max-width: 800px;
  margin: 0 auto;
}

.blog-content p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--dark);
}

.blog-content h2 {
  font-size: 1.75rem;
  margin: 40px 0 20px;
  color: var(--dark);
}

.blog-content h3 {
  font-size: 1.35rem;
  margin: 32px 0 16px;
  color: var(--dark);
}

.blog-content ul,
.blog-content ol {
  margin-bottom: 20px;
  padding-left: 24px;
}

.blog-content li {
  margin-bottom: 8px;
  line-height: 1.7;
}

.blog-meta {
  color: var(--gray);
  font-size: 0.875rem;
  margin-bottom: 24px;
}

.back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 32px;
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
}

.back-to-blog:hover {
  text-decoration: underline;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* Utilities */
.mt-12 { margin-top: 12px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mt-40 { margin-top: 40px; }
.mt-48 { margin-top: 48px; }
.mt-60 { margin-top: 60px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.mb-32 { margin-bottom: 32px; }
.mb-48 { margin-bottom: 48px; }
.ml-16 { margin-left: 16px; }
.my-16 { margin-top: 16px; margin-bottom: 16px; }
.my-24 { margin-top: 24px; margin-bottom: 24px; }
.my-40 { margin-top: 40px; margin-bottom: 40px; }
.my-48 { margin-top: 48px; margin-bottom: 48px; }
.my-60 { margin-top: 60px; margin-bottom: 60px; }
.mb-20 { margin-bottom: 20px; }
.mb-12 { margin-bottom: 12px; }
.mx-auto { margin-left: auto; margin-right: auto; }
.text-center { text-align: center; }
.bg-white { background: white; }
.w-100 { width: 100%; }
.d-inline-block { display: inline-block; }
.list-unstyled { list-style: none; padding-left: 0; }
.testimonial-text { font-style: italic; margin-bottom: 16px; }
.related-title { margin-bottom: 20px; }
.related-list { list-style: none; padding-left: 0; }
.related-list li { margin-bottom: 12px; }
.link-primary { color: var(--primary); font-weight: 600; text-decoration: none; }
.link-primary:hover { text-decoration: underline; }
.cta-highlight h2 { margin-bottom: 16px; }
.cta-highlight p { margin-bottom: 24px; opacity: 0.95; }
.cta-highlight a { color: white; text-decoration: underline; }

.cta-highlight {
  background: var(--primary);
  color: white;
  padding: 40px;
  border-radius: var(--radius);
  text-align: center;
  margin-top: 60px;
}

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

.cta-highlight .cta-btn:hover {
  background: var(--light);
}

.feature-heading { display: flex; align-items: center; gap: 12px; }
.feature-card.accent-green { border-left: 4px solid #10B981; }
.feature-card.accent-red { border-left: 4px solid #EF4444; }
.feature-card.accent-blue { border-left: 4px solid #3B82F6; }
.feature-card.accent-yellow { border-left: 4px solid #F59E0B; }
.accent-green h3 { color: #10B981; }
.accent-red h3 { color: #EF4444; }
.accent-blue h3 { color: #3B82F6; }
.accent-yellow h3 { color: #F59E0B; }
.info-box { margin-top: 60px; padding: 40px; background: white; border-radius: var(--radius); box-shadow: var(--shadow); }
.constrain-700 { max-width: 700px; margin: 0 auto; }

/* Additional utilities */
.mt-16 { margin-top: 16px; }
.my-32 { margin-top: 32px; margin-bottom: 32px; }
.text-lg { font-size: 1.5rem; }
.cta-btn-large {
  padding: 18px 36px;
  font-size: 1.25rem;
}
.related-section {
  margin-top: 60px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

/* Blockquote */
blockquote { border-left: 4px solid var(--primary); padding-left: 20px; margin: 24px 0; font-style: italic; color: var(--gray); }

/* Blog content specific */
.info-box ul { line-height: 2; }