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

:root {
  --primary: #FF6B6B;
  --primary-dark: #E85555;
  --secondary: #4ECDC4;
  --dark: #2C3E50;
  --light: #F8F9FA;
  --gray: #6C757D;
  --border: #DEE2E6;
  --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;
  --transition: all 0.3s ease;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--dark);
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  min-height: 100vh;
}

/* 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: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--dark);
}

.logo svg {
  width: 40px;
  height: 40px;
  color: var(--primary);
}

.logo h1 {
  font-size: 1.5rem;
  font-weight: 700;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  align-items: center;
}

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

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
  color: var(--dark);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 70px;
  left: 0;
  right: 0;
  background: white;
  padding: 1rem;
  box-shadow: var(--shadow-lg);
  z-index: 999;
}

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

.mobile-menu ul {
  flex-direction: column;
  gap: 1rem;
}

.mobile-menu a {
  display: block;
  padding: 0.75rem 1rem;
  color: var(--dark);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: var(--transition);
}

.mobile-menu a:hover {
  background: var(--light);
  color: var(--primary);
}

/* Hero Section */
.hero {
  background: white;
  padding: 4rem 0;
  text-align: center;
  margin-bottom: 2rem;
}

.hero h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--dark);
}

.hero p {
  font-size: 1.2rem;
  color: var(--gray);
  max-width: 700px;
  margin: 0 auto 2rem;
}

/* Buttons */
.cta-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

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

.cta-floating {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 16px 28px;
  font-size: 1.1rem;
  z-index: 100;
  animation: pulse 2s infinite;
}

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

/* Main Content */
main {
  background: white;
  border-radius: var(--radius) var(--radius) 0 0;
  padding: 3rem 0;
  min-height: 60vh;
}

.content-section {
  margin-bottom: 3rem;
}

.content-section h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--dark);
  position: relative;
  padding-bottom: 0.5rem;
}

.content-section h2::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 60px;
  height: 4px;
  background: var(--primary);
  border-radius: 2px;
}

.content-section p {
  margin-bottom: 1rem;
  color: var(--gray);
  font-size: 1.05rem;
}

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

.feature-card {
  background: var(--light);
  padding: 2rem;
  border-radius: var(--radius);
  text-align: center;
  transition: var(--transition);
}

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

.feature-card svg {
  width: 64px;
  height: 64px;
  color: var(--primary);
  margin-bottom: 1rem;
}

.feature-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

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

.step {
  text-align: center;
  padding: 1.5rem;
}

.step-number {
  width: 50px;
  height: 50px;
  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 1rem;
}

.step h3 {
  margin-bottom: 0.5rem;
  color: var(--dark);
}

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

.faq-question {
  width: 100%;
  padding: 1.25rem;
  background: var(--light);
  border: none;
  text-align: left;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s ease;
}

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

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

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

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

.blog-card {
  background: var(--light);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

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

.blog-card-content {
  padding: 1.5rem;
}

.blog-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  color: var(--dark);
}

.blog-card p {
  color: var(--gray);
  font-size: 0.95rem;
  margin-bottom: 1rem;
}

.blog-card a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.blog-card a:hover {
  text-decoration: underline;
}

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

.article-content h2 {
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--dark);
}

.article-content p {
  margin-bottom: 1.5rem;
  color: var(--gray);
  font-size: 1.05rem;
}

.article-content h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--dark);
}

.article-content ul, .article-content ol {
  margin-bottom: 1.5rem;
  padding-left: 1.5rem;
  color: var(--gray);
}

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

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  margin-bottom: 2rem;
}

.back-link:hover {
  text-decoration: underline;
}

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

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

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

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 107, 107, 0.1);
}

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

/* Footer */
footer {
  background: var(--dark);
  color: white;
  padding: 3rem 0 1.5rem;
}

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

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: 1rem;
  color: white;
}

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

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

.footer-section 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, 0.6);
  font-size: 0.9rem;
}

/* Page Header */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, #FF8E53 100%);
  color: white;
  padding: 3rem 0;
  text-align: center;
  margin-bottom: 2rem;
}

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

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

.text-primary {
  color: var(--primary);
}

.fw-semibold {
  font-weight: 600;
}

.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

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

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

  .hero h2 {
    font-size: 2rem;
  }

  .hero p {
    font-size: 1rem;
  }

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

  main {
    padding: 2rem 0;
  }

  .container {
    padding: 0 15px;
  }
}

/* Blog specific */
.blog-meta {
  color: var(--gray);
  font-size: 0.9rem;
  margin-bottom: 1rem;
}

.blog-meta span {
  margin-right: 1rem;
}

/* Article content styling */
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius);
  margin: 2rem 0;
}

/* Blockquote */
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--gray);
}