/* SEO Company Hong Kong - Professional Stylesheet */
/* Modern, Clean Design for SEO Agency */

:root {
  --primary-color: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #3b82f6;
  --secondary-color: #10b981;
  --accent-color: #f59e0b;
  --dark-color: #1e293b;
  --text-color: #334155;
  --text-light: #64748b;
  --bg-color: #f8fafc;
  --bg-light: #ffffff;
  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --transition: all 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans TC", "Microsoft JhengHei", sans-serif;
  line-height: 1.7;
  color: var(--text-color);
  background-color: var(--bg-color);
}

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

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--dark-color);
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: 1rem;
  color: var(--text-color);
}

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

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

/* Navigation */
.navbar {
  background: var(--bg-light);
  box-shadow: var(--shadow-md);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 0.75rem 0;
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-color);
}

.nav-logo span {
  color: var(--dark-color);
}

.nav-logo svg {
  width: 40px;
  height: 40px;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 2rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: 0.5rem 0;
  position: relative;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-color);
  transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 5px;
}

.nav-toggle span {
  width: 25px;
  height: 3px;
  background: var(--dark-color);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Navigation */
@media (max-width: 768px) {
  .nav-toggle {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: 60px;
    left: 0;
    right: 0;
    background: var(--bg-light);
    flex-direction: column;
    padding: 1rem;
    gap: 0;
    box-shadow: var(--shadow-lg);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }

  .nav-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  .nav-link {
    display: block;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
  }
}

/* Breadcrumbs */
.breadcrumbs {
  padding: 1rem 0;
  margin-top: 70px;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

.breadcrumb-list {
  display: flex;
  list-style: none;
  gap: 0.5rem;
  align-items: center;
  flex-wrap: wrap;
}

.breadcrumb-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-size: 0.875rem;
}

.breadcrumb-item a {
  color: var(--text-light);
}

.breadcrumb-item a:hover {
  color: var(--primary-color);
}

.breadcrumb-item.active {
  color: var(--primary-color);
  font-weight: 500;
}

.breadcrumb-separator {
  color: var(--text-light);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 8rem 0 6rem;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  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: 0.5;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.hero h1 {
  color: white;
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero p {
  color: rgba(255,255,255,0.9);
  font-size: 1.25rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

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

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

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

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

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

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

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

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

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

.btn-success:hover {
  background: #059669;
  color: white;
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section-alt {
  background: var(--bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-header h2 {
  font-size: 2.25rem;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
  font-size: 1.125rem;
}

/* Cards */
.card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  border: 1px solid var(--border-color);
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.card-icon svg {
  width: 30px;
  height: 30px;
  color: white;
}

.card h3 {
  margin-bottom: 0.75rem;
}

.card p {
  color: var(--text-light);
  margin-bottom: 0;
}

/* Services Grid */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Features Grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.feature-card {
  text-align: center;
  padding: 2.5rem 2rem;
}

.feature-card .card-icon {
  margin: 0 auto 1.5rem;
}

/* Stats Section */
.stats {
  background: linear-gradient(135deg, var(--dark-color) 0%, #0f172a 100%);
  color: white;
  padding: 4rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  text-align: center;
}

.stat-item h3 {
  color: var(--primary-light);
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.stat-item p {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
  margin: 0;
}

/* Tools Section */
.tool-container {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-lg);
  margin-bottom: 2rem;
}

.tool-header {
  text-align: center;
  margin-bottom: 2rem;
}

.tool-form {
  max-width: 600px;
  margin: 0 auto;
}

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

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

.form-control {
  width: 100%;
  padding: 0.875rem 1rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  font-size: 1rem;
  transition: var(--transition);
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-hint {
  font-size: 0.875rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* Results Display */
.results-container {
  margin-top: 2rem;
  display: none;
}

.results-container.active {
  display: block;
}

.result-card {
  background: var(--bg-color);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-left: 4px solid var(--primary-color);
}

.result-card.success {
  border-left-color: var(--secondary-color);
}

.result-card.warning {
  border-left-color: var(--accent-color);
}

.result-card.error {
  border-left-color: #ef4444;
}

.result-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}

.result-icon {
  width: 24px;
  height: 24px;
}

.result-title {
  font-weight: 600;
  color: var(--dark-color);
}

.result-score {
  margin-left: auto;
  font-weight: 700;
  font-size: 1.125rem;
}

.score-good { color: var(--secondary-color); }
.score-ok { color: var(--accent-color); }
.score-bad { color: #ef4444; }

.progress-bar {
  height: 8px;
  background: var(--border-color);
  border-radius: 4px;
  overflow: hidden;
  margin-top: 1rem;
}

.progress-fill {
  height: 100%;
  border-radius: 4px;
  transition: width 0.5s ease;
}

.progress-fill.good { background: var(--secondary-color); }
.progress-fill.ok { background: var(--accent-color); }
.progress-fill.bad { background: #ef4444; }

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

.blog-card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.blog-image {
  height: 200px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 3rem;
}

.blog-content {
  padding: 1.5rem;
}

.blog-meta {
  display: flex;
  gap: 1rem;
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
  color: var(--text-light);
}

.blog-tag {
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.blog-card h3 {
  margin-bottom: 0.75rem;
  font-size: 1.25rem;
}

.blog-card h3 a {
  color: var(--dark-color);
}

.blog-card h3 a:hover {
  color: var(--primary-color);
}

.blog-excerpt {
  color: var(--text-light);
  margin-bottom: 1rem;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.read-more {
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.read-more:hover {
  gap: 0.75rem;
}

/* FAQ Section */
.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  color: var(--dark-color);
  transition: var(--transition);
}

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

.faq-icon {
  width: 24px;
  height: 24px;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 0 1.5rem 1.5rem;
  max-height: 500px;
}

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

.testimonial-card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.testimonial-text {
  font-size: 1.125rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  position: relative;
  padding-left: 1.5rem;
  border-left: 3px solid var(--primary-color);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background: var(--primary-color);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.25rem;
}

.author-info h4 {
  margin-bottom: 0.25rem;
  font-size: 1rem;
}

.author-info p {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-light);
}

/* CTA Section */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
  color: white;
  padding: 5rem 0;
  text-align: center;
}

.cta-section h2 {
  color: white;
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.cta-section p {
  color: rgba(255,255,255,0.9);
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 2rem;
}

/* SEO Description Section */
.seo-description {
  background: var(--bg-light);
  padding: 4rem 0;
  border-top: 1px solid var(--border-color);
}

.seo-content {
  max-width: 900px;
  margin: 0 auto;
}

.seo-content h2 {
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  text-align: center;
}

.seo-content p {
  color: var(--text-color);
  line-height: 1.8;
  margin-bottom: 1.25rem;
}

.seo-keywords {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
  justify-content: center;
}

.seo-keyword {
  background: var(--bg-color);
  color: var(--text-light);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  border: 1px solid var(--border-color);
}

/* Footer */
.footer {
  background: var(--dark-color);
  color: rgba(255,255,255,0.8);
  padding: 4rem 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr repeat(3, 1fr);
  gap: 3rem;
  margin-bottom: 3rem;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.footer-about .nav-logo {
  margin-bottom: 1rem;
}

.footer-about p {
  color: rgba(255,255,255,0.7);
  margin-bottom: 1.5rem;
}

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255,255,255,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  transition: var(--transition);
}

.social-link:hover {
  background: var(--primary-color);
  color: white;
}

.footer-column h4 {
  color: white;
  font-size: 1.125rem;
  margin-bottom: 1.25rem;
}

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

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  color: rgba(255,255,255,0.7);
  font-size: 0.9375rem;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-bottom p {
  margin: 0;
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}

.footer-legal {
  display: flex;
  gap: 1.5rem;
}

.footer-legal a {
  color: rgba(255,255,255,0.5);
  font-size: 0.875rem;
}

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

/* Contact Page */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

@media (max-width: 768px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-info-card {
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  padding: 1.5rem;
  background: var(--bg-color);
  border-radius: var(--radius-lg);
  margin-bottom: 1rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  flex-shrink: 0;
}

.contact-text h4 {
  margin-bottom: 0.25rem;
}

.contact-text p {
  margin: 0;
  color: var(--text-light);
}

/* About Page */
.about-hero {
  text-align: center;
  padding: 3rem 0;
}

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

.team-card {
  text-align: center;
  padding: 2rem;
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
}

.team-avatar {
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
  margin: 0 auto 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 2.5rem;
  font-weight: 700;
}

.team-card h3 {
  margin-bottom: 0.25rem;
}

.team-role {
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 1rem;
}

/* Blog Page Specific */
.blog-header {
  text-align: center;
  padding: 3rem 0;
  background: var(--bg-light);
  border-bottom: 1px solid var(--border-color);
}

.blog-post-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 3rem 1.5rem;
}

.blog-post-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.blog-post-meta {
  color: var(--text-light);
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-color);
}

.blog-post-content h2 {
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.blog-post-content h3 {
  margin-top: 2rem;
  margin-bottom: 0.75rem;
}

.blog-post-content p {
  margin-bottom: 1.25rem;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.blog-post-content ul,
.blog-post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 2rem;
}

.blog-post-content li {
  margin-bottom: 0.5rem;
}

.blog-post-content blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--text-light);
}

.blog-nav {
  display: flex;
  justify-content: space-between;
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
}

/* Tools Page */
.tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.tool-card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 2rem;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
}

.tool-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

.tool-card h3 {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.tool-badge {
  font-size: 0.75rem;
  padding: 0.25rem 0.5rem;
  background: var(--secondary-color);
  color: white;
  border-radius: var(--radius-sm);
}

/* Price Table */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.pricing-card {
  background: var(--bg-light);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
  text-align: center;
  position: relative;
  border: 2px solid transparent;
  transition: var(--transition);
}

.pricing-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

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

.pricing-badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--primary-color);
  color: white;
  padding: 0.25rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
}

.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}

.pricing-price {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary-color);
  margin: 1.5rem 0;
}

.pricing-price span {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-light);
}

.pricing-features {
  list-style: none;
  margin: 2rem 0;
  text-align: left;
}

.pricing-features li {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.pricing-features li:last-child {
  border-bottom: none;
}

.check-icon {
  color: var(--secondary-color);
  font-weight: bold;
}

/* Loading Animation */
.loading {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-radius: 50%;
  border-top-color: var(--primary-color);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Scroll to top button */
.scroll-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--primary-color);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  z-index: 999;
  border: none;
  box-shadow: var(--shadow-lg);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--primary-dark);
  transform: translateY(-3px);
}

/* Animation Classes */
.fade-in {
  animation: fadeIn 0.5s ease forwards;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive Typography */
@media (max-width: 768px) {
  html {
    font-size: 14px;
  }

  .hero {
    padding: 6rem 0 4rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .section {
    padding: 3rem 0;
  }

  .section-header h2 {
    font-size: 1.75rem;
  }

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

/* Print Styles */
@media print {
  .navbar,
  .footer,
  .scroll-top,
  .btn {
    display: none !important;
  }

  body {
    background: white;
  }

  .hero {
    background: none;
    color: var(--dark-color);
    padding: 2rem 0;
  }

  .hero h1,
  .hero p {
    color: var(--dark-color);
  }
}