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

:root {
  --primary: #e91e63;
  --primary-dark: #c2185b;
  --secondary: #2196f3;
  --text: #1a1a2e;
  --text-light: #666;
  --bg: #ffffff;
  --bg-light: #f8f9fa;
  --border: #e0e0e0;
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 4px 20px rgba(0, 0, 0, 0.15);
  --radius: 12px;
  --radius-sm: 8px;
}

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

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

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

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  font-size: 1.5rem;
  font-weight: 700;
}

.logo svg {
  width: 32px;
  height: 32px;
}

nav {
  display: flex;
  gap: 30px;
}

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

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

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

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

/* Hero Section */
.hero {
  background: linear-gradient(135deg, #f8f9fa 0%, #fff 100%);
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: 3rem;
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text);
  max-width: 700px;
  margin: 0 auto 40px;
}

/* Sections */
section {
  padding: 60px 0;
}

section:nth-child(even) {
  background: var(--bg-light);
}

.section-title {
  font-size: 2rem;
  text-align: center;
  margin-bottom: 40px;
}

/* Cards */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 30px;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
}

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

.card h3 {
  font-size: 1.25rem;
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.card svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary);
  flex-shrink: 0;
}

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

/* CTA Button */
.cta-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 600;
  font-size: 1rem;
  border: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.2s;
  box-shadow: 0 4px 12px rgba(233, 30, 99, 0.3);
}

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

.cta-floating {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 99;
  padding: 16px 28px;
  font-size: 1.1rem;
  box-shadow: 0 6px 20px rgba(233, 30, 99, 0.4);
  animation: pulse 2s infinite;
}

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

/* FAQ */
.faq-item {
  background: var(--bg);
  border-radius: var(--radius-sm);
  margin-bottom: 15px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
  color: var(--text);
}

.faq-question svg {
  width: 20px;
  height: 20px;
  transition: transform 0.3s;
  flex-shrink: 0;
}

.faq-question[aria-expanded="true"] svg {
  transform: rotate(180deg);
}

.faq-answer {
  padding: 0 20px 20px;
  line-height: 1.7;
}

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

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

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 1rem;
  transition: border-color 0.2s;
}

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

/* Blog */
.blog-list {
  display: grid;
  gap: 25px;
}

.blog-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 25px;
  box-shadow: var(--shadow);
  transition: transform 0.2s;
}

.blog-card:hover {
  transform: translateY(-3px);
}

.blog-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.blog-card p {
  color: var(--text);
  margin-bottom: 15px;
}

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

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

/* Article */
.article-header {
  margin-bottom: 30px;
}

.article-header h1 {
  font-size: 2.5rem;
  margin-bottom: 15px;
}

.article-meta {
  font-size: 0.9rem;
  margin-bottom: 30px;
  display: block;
}

.article-content {
  line-height: 1.8;
  font-size: 1.05rem;
}

.article-content h2 {
  font-size: 1.6rem;
  margin: 40px 0 20px;
}

.article-content p {
  margin-bottom: 20px;
}

.article-content ul,
.article-content ol {
  margin-bottom: 20px;
  padding-left: 25px;
}

.article-content li {
  margin-bottom: 10px;
}

.back-link {
  display: inline-block;
  margin-bottom: 20px;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

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

/* Footer */
footer {
  background: var(--text);
  color: white;
  padding: 50px 0 30px;
  margin-top: 60px;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 30px;
}

.footer-section h4 {
  font-size: 1.1rem;
  margin-bottom: 20px;
}

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

.footer-section ul li {
  margin-bottom: 10px;
}

.footer-section a {
  color: #aaa;
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 20px;
  text-align: center;
  color: #aaa;
  font-size: 0.9rem;
}

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

  nav {
    display: none;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--bg);
    flex-direction: column;
    padding: 20px;
    box-shadow: var(--shadow-lg);
    gap: 15px;
  }

  nav.active {
    display: flex;
  }

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

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

  .section-title {
    font-size: 1.5rem;
  }

  .cta-floating {
    bottom: 20px;
    right: 20px;
    padding: 14px 24px;
    font-size: 1rem;
  }
}

/* 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;
}

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