/* Root variables */
:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --secondary: #7c4dff;
  --bg: #fafafa;
  --bg-alt: #f5f5f5;
  --text: #1a1a1a;
  --text-light: #666;
  --border: #e0e0e0;
  --white: #ffffff;
  --shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --radius: 12px;
  --radius-sm: 8px;
}

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

html {
  scroll-behavior: smooth;
}

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

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

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

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  max-width: 1200px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}

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

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

/* Navigation */
nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

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

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

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

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

/* Hero section */
.hero {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  padding: 100px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 24px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  max-width: 600px;
  margin: 0 auto 40px;
  opacity: 0.95;
}

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

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

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

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

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

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

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

.card-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.card-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--white);
  fill: none;
}

.card h3 {
  font-size: 1.5rem;
  margin-bottom: 12px;
}

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

/* Features grid */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

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

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  background: var(--white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-icon {
  width: 48px;
  height: 48px;
  min-width: 48px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.feature-icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--white);
  fill: none;
}

.feature-text h4 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.feature-text p {
  color: var(--text-light);
  font-size: 0.9375rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 16px 40px;
  font-size: 1.125rem;
  font-weight: 600;
  text-decoration: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

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

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

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

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

.btn-cta {
  background: var(--primary);
  color: var(--white);
  padding: 18px 48px;
  font-size: 1.25rem;
  box-shadow: var(--shadow);
}

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

/* CTA floating button */
.cta-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  background: var(--primary);
  color: var(--white);
  border: none;
  padding: 16px 32px;
  font-size: 1.125rem;
  font-weight: 600;
  border-radius: 50px;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  transition: all 0.2s;
}

.cta-floating:hover {
  background: var(--primary-dark);
  transform: scale(1.05);
}

/* Stats */
.stats {
  display: flex;
  justify-content: center;
  gap: 80px;
  margin: 48px 0;
  flex-wrap: wrap;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--primary);
  display: block;
}

.stat-label {
  color: var(--text-light);
  font-size: 1rem;
}

/* Blog */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

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

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

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

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

.blog-card p {
  color: var(--text-light);
  font-size: 0.9375rem;
  margin-bottom: 20px;
}

.blog-meta {
  color: var(--text-light);
  font-size: 0.875rem;
}

/* Article */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
  font-size: 1.0625rem;
}

.article-content h2 {
  font-size: 2rem;
  margin: 48px 0 24px;
  color: var(--text);
}

.article-content h3 {
  font-size: 1.5rem;
  margin: 32px 0 16px;
}

.article-content p {
  margin-bottom: 24px;
  color: var(--text-light);
}

.article-content ul, .article-content ol {
  margin-bottom: 24px;
  padding-left: 24px;
  color: var(--text-light);
}

.article-content li {
  margin-bottom: 12px;
}

.article-content a {
  color: var(--primary);
  text-decoration: none;
}

.article-content a:hover {
  text-decoration: underline;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--text-light);
  text-decoration: none;
  margin-bottom: 32px;
  font-weight: 500;
}

.back-link:hover {
  color: var(--primary);
}

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

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

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

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  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 {
  resize: vertical;
  min-height: 150px;
}

/* Footer */
footer {
  background: var(--text);
  color: var(--white);
  padding: 64px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

@media (max-width: 768px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

.footer-brand p {
  color: rgba(255, 255, 255, 0.7);
  margin-top: 16px;
  max-width: 300px;
}

.footer-links h4 {
  margin-bottom: 24px;
  font-size: 1.125rem;
}

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

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

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

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

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.875rem;
}

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

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.125rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--text);
}

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

.faq-question svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  fill: none;
  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: 1000px;
}

/* Page header */
.page-header {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
  padding: 80px 0;
  text-align: center;
}

.page-header h1 {
  font-size: 3rem;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.125rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Utility */
.text-center { text-align: center; }
.mt-4 { margin-top: 32px; }
.mb-4 { margin-bottom: 32px; }

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

  nav ul {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    box-shadow: var(--shadow);
    display: none;
  }

  nav ul.active {
    display: flex;
  }

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

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

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

  .stats {
    gap: 40px;
  }

  .stat-number {
    font-size: 2.5rem;
  }
}

/* Utility classes */
.mt-5 { margin-top: 48px; }
.mb-5 { margin-bottom: 48px; }
.pb-4 { padding-bottom: 32px; }
.pt-4 { padding-top: 32px; }
.pb-5 { padding-bottom: 48px; }
.pt-5 { padding-top: 48px; }
.py-5 { padding-top: 48px; padding-bottom: 48px; }
.border-top { border-top: 1px solid var(--border); }
.font-bold { font-weight: 700; }
.text-xl { font-size: 1.5rem; }
.text-lg { font-size: 1.125rem; }
.text-white { color: white; }
.text-primary { color: var(--primary); }
.mt-2 { margin-top: 16px; }
.text-sm { font-size: 0.875rem; }
.text-light { color: var(--text-light); }