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

:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --secondary: #7c4dff;
  --text: #1a1a2e;
  --text-light: #4a4a68;
  --bg: #ffffff;
  --bg-light: #f8f9ff;
  --border: #e8e8f0;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

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

.logo img {
  width: 40px;
  height: 40px;
}

.logo-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 32px;
}

nav a {
  text-decoration: none;
  color: var(--text-light);
  font-weight: 500;
  font-size: 15px;
  transition: color 0.2s;
}

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

/* Mobile Menu */
.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

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

.mobile-nav {
  display: none;
  position: fixed;
  top: 72px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px;
  box-shadow: var(--shadow);
}

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

.mobile-nav ul {
  flex-direction: column;
  gap: 16px;
}

.mobile-nav a {
  display: block;
  font-size: 16px;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f8f9ff 0%, #fff5f8 100%);
  padding: 100px 0 80px;
  text-align: center;
}

.hero h1 {
  font-size: 46px;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 24px;
  letter-spacing: -1px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 20px;
  color: var(--text-light);
  max-width: 700px;
  margin: 0 auto 40px;
  line-height: 1.7;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.2s;
  border: none;
  cursor: pointer;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(233, 30, 99, 0.35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 30, 99, 0.45);
}

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

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

/* CTA Button */
.cta-btn {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border: none;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-size: 16px;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 4px 15px rgba(233, 30, 99, 0.35);
  transition: all 0.2s;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(233, 30, 99, 0.45);
}

.cta-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 999;
  padding: 16px 28px;
  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: 36px;
  font-weight: 700;
  text-align: center;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 18px;
  color: var(--text-light);
  text-align: center;
  max-width: 600px;
  margin: 0 auto 48px;
}

/* Features Grid */
.features {
  background: var(--bg-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
}

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

.feature-card:hover {
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  background: linear-gradient(135deg, #fff5f8 0%, #fff 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-icon img {
  width: 28px;
  height: 28px;
}

.feature-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 15px;
  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: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 700;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 20px;
  margin-bottom: 12px;
}

.step p {
  color: var(--text-light);
  font-size: 15px;
}

/* Testimonials */
.testimonials {
  background: var(--bg-light);
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
}

.testimonial-card {
  background: var(--bg);
  padding: 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.testimonial-card p {
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 20px;
  color: var(--text);
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, #fff5f8 0%, #fff 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.author-avatar img {
  width: 24px;
  height: 24px;
}

.author-info strong {
  display: block;
  font-size: 15px;
}

.author-info span {
  font-size: 13px;
  color: var(--text-light);
}

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

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

.blog-card:hover {
  transform: translateY(-4px);
}

.blog-card-image {
  height: 200px;
  background: linear-gradient(135deg, #f8f9ff 0%, #fff5f8 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.blog-card-image img {
  width: 64px;
  height: 64px;
  opacity: 0.6;
}

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

.blog-card h3 {
  font-size: 20px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.blog-card p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: 16px;
}

.read-more {
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  text-decoration: none;
}

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

/* FAQ */
.faq {
  background: var(--bg-light);
}

.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 17px;
  font-weight: 600;
  text-align: left;
  color: var(--text);
}

.faq-question img {
  width: 20px;
  height: 20px;
  transition: transform 0.2s;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px 24px;
  color: var(--text-light);
  line-height: 1.7;
  display: none;
}

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

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 48px;
  margin-top: 48px;
}

.contact-info h3 {
  font-size: 22px;
  margin-bottom: 20px;
}

.contact-info p {
  color: var(--text-light);
  margin-bottom: 16px;
  line-height: 1.7;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.contact-item img {
  width: 20px;
  height: 20px;
  opacity: 0.7;
}

/* Form */
.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 500;
  font-size: 15px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  transition: border-color 0.2s;
}

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

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 60px 0 30px;
  margin-top: 80px;
}

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

.footer-col h4 {
  font-size: 16px;
  margin-bottom: 20px;
  opacity: 0.9;
}

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

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

.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  text-decoration: none;
  font-size: 15px;
  transition: color 0.2s;
}

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

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
}

/* Article/Page Content */
.page-content {
  max-width: 800px;
  margin: 0 auto;
  padding: 60px 0;
}

.page-content h1 {
  font-size: 40px;
  margin-bottom: 24px;
  line-height: 1.2;
}

.page-content h2 {
  font-size: 28px;
  margin: 40px 0 20px;
}

.page-content p {
  margin-bottom: 20px;
  line-height: 1.8;
  color: var(--text-light);
}

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

.page-content li {
  margin-bottom: 10px;
  line-height: 1.7;
  color: var(--text-light);
}

/* Blog Article */
.article-meta {
  font-size: 14px;
  color: var(--text-light);
  margin-bottom: 32px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--border);
}

.article-content {
  line-height: 1.8;
  font-size: 17px;
}

.article-content h2 {
  font-size: 26px;
  margin: 40px 0 20px;
}

.article-content h3 {
  font-size: 22px;
  margin: 32px 0 16px;
}

.article-content p {
  margin-bottom: 20px;
  color: var(--text-light);
}

.article-content ul,
.article-content ol {
  margin: 20px 0;
  padding-left: 24px;
}

.article-content li {
  margin-bottom: 10px;
  color: var(--text-light);
}

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

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

/* Responsive */
@media (max-width: 768px) {
  .mobile-menu-btn {
    display: block;
  }

  nav ul {
    display: none;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero p {
    font-size: 18px;
  }

  .section-title {
    font-size: 28px;
  }

  .page-content h1 {
    font-size: 32px;
  }

  .container {
    padding: 0 16px;
  }

  section {
    padding: 60px 0;
  }

  .cta-floating {
    bottom: 16px;
    right: 16px;
    padding: 14px 24px;
    font-size: 15px;
  }
}

/* Utility */
.text-center { text-align: center; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }
.ml-2 { margin-left: 12px; }
.ml-3 { margin-left: 16px; }

/* CTA Banner */
.cta-banner {
  background: linear-gradient(135deg, #f8f9ff 0%, #fff5f8 100%);
  padding: 80px 0;
}

/* Inline features box (div usage) */
div.features {
  background: var(--bg-light);
  padding: 60px 0;
  margin-top: 40px;
}
div.features.large-top {
  margin-top: 80px;
}

/* Footer paragraph text */
footer .footer-col p {
  color: rgba(255,255,255,0.7);
  font-size: 15px;
  line-height: 1.6;
}

/* Intro paragraph (custom) */
.intro-text {
  font-size: 18px;
  color: var(--text-light);
  margin-bottom: 24px;
}