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

:root {
  --primary: #7C3AED;
  --primary-dark: #6D28D9;
  --primary-light: #A78BFA;
  --secondary: #EC4899;
  --dark: #0F172A;
  --gray-900: #111827;
  --gray-800: #1F2937;
  --gray-700: #374151;
  --gray-600: #4B5563;
  --gray-400: #9CA3AF;
  --gray-200: #E5E7EB;
  --gray-100: #F3F4F6;
  --white: #FFFFFF;
  --gradient: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --shadow: 0 10px 40px rgba(124, 58, 237, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

/* Header & Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--gray-200);
  padding: 16px 0;
}

.nav-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--dark);
  font-weight: 700;
  font-size: 1.5rem;
  letter-spacing: -0.02em;
}

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

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

nav a {
  text-decoration: none;
  color: var(--gray-700);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color 0.2s;
}

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

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

.mobile-menu-btn svg {
  width: 28px;
  height: 28px;
  color: var(--gray-700);
}

/* Hero Section */
.hero {
  background: var(--gradient);
  padding: 120px 0 100px;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  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;
  max-width: 800px;
  margin: 0 auto;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero p {
  font-size: 1.25rem;
  opacity: 0.95;
  margin-bottom: 40px;
  line-height: 1.7;
}

/* CTA Button */
.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
  background: var(--gradient);
  border: none;
  border-radius: 50px;
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.2s, box-shadow 0.2s;
  white-space: nowrap;
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 50px rgba(124, 58, 237, 0.25);
}

.cta-btn:active {
  transform: translateY(0);
}

.cta-floating {
  position: fixed;
  bottom: 24px;
  right: 24px;
  padding: 14px 28px;
  font-size: 1rem;
  z-index: 999;
  border-radius: 50px;
  box-shadow: 0 8px 30px rgba(124, 58, 237, 0.3);
}

/* Sections */
section {
  padding: 100px 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 20px;
  letter-spacing: -0.02em;
  color: var(--dark);
}

.section-subtitle {
  text-align: center;
  color: var(--gray-600);
  font-size: 1.1rem;
  max-width: 600px;
  margin: 0 auto 60px;
  line-height: 1.7;
}

/* Features Grid */
.features {
  background: var(--gray-100);
}

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

.feature-card {
  background: var(--white);
  padding: 40px 32px;
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: var(--gradient);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}

.feature-icon svg {
  width: 32px;
  height: 32px;
  color: var(--white);
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.feature-card p {
  color: var(--gray-700);
  line-height: 1.7;
}

/* How It Works */
.steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 40px;
  margin-top: 60px;
}

.step {
  text-align: center;
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient);
  color: var(--white);
  font-size: 1.5rem;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 24px;
}

.step h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
  color: var(--dark);
}

.step p {
  color: var(--gray-600);
  font-size: 0.95rem;
}

/* Blog Section */
.blog {
  background: var(--gray-100);
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 32px;
  margin-top: 60px;
}

.blog-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
  transition: transform 0.2s, box-shadow 0.2s;
}

.blog-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.1);
}

.blog-card-content {
  padding: 32px;
}

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

.blog-card p {
  color: var(--gray-600);
  font-size: 0.95rem;
  line-height: 1.7;
  margin-bottom: 20px;
}

.blog-card .read-more {
  color: var(--primary);
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.blog-card h3 a {
  color: inherit;
  text-decoration: none;
}

/* FAQ */
.faq-item {
  max-width: 800px;
  margin: 0 auto 16px;
  background: var(--white);
  border-radius: var(--radius);
  border: 1px solid var(--gray-200);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 24px;
  background: none;
  border: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--dark);
  text-align: left;
}

.faq-question svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  transition: transform 0.3s;
  flex-shrink: 0;
}

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

.faq-answer {
  padding: 0 24px 24px;
  color: var(--gray-600);
  line-height: 1.7;
  display: none;
}

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

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

.form-group label {
  display: block;
  margin-bottom: 8px;
  font-weight: 600;
  color: var(--dark);
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 14px 16px;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius);
  font-size: 1rem;
  transition: border-color 0.2s;
  font-family: inherit;
}

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

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

/* Footer */
footer {
  background: var(--dark);
  color: var(--gray-400);
  padding: 60px 0 30px;
}

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

.footer-section h4 {
  color: var(--white);
  font-size: 1.1rem;
  margin-bottom: 20px;
}

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

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

.footer-section a {
  color: var(--gray-400);
  text-decoration: none;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid var(--gray-800);
  padding-top: 30px;
  text-align: center;
  font-size: 0.9rem;
}

/* Page Headers */
.page-header {
  background: var(--gradient);
  padding: 80px 0;
  text-align: center;
  color: var(--white);
}

.page-header h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 16px;
}

.page-header p {
  font-size: 1.1rem;
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Content Sections */
.content-section {
  padding: 60px 0;
}

.content-section h2 {
  font-size: 1.8rem;
  margin-bottom: 20px;
  color: var(--dark);
}

.content-section p {
  margin-bottom: 20px;
  color: var(--gray-700);
  line-height: 1.8;
}

.gray-bg .content-section p,
.gray-bg .blog-content p,
.gray-bg .content-section li,
.gray-bg .blog-content li,
.gray-bg .section-subtitle {
  color: var(--gray-800);
}

.content-section ul {
  margin: 20px 0;
  padding-left: 24px;
}

.content-section li {
  margin-bottom: 12px;
  color: var(--gray-700);
  line-height: 1.7;
}

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

.blog-content h2 {
  font-size: 1.8rem;
  margin: 40px 0 20px;
  color: var(--dark);
}

.blog-content h3 {
  font-size: 1.4rem;
  margin: 32px 0 16px;
  color: var(--dark);
}

.blog-content p {
  margin-bottom: 20px;
  color: var(--gray-700);
  line-height: 1.8;
}

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

.blog-content li {
  margin-bottom: 12px;
  color: var(--gray-700);
  line-height: 1.7;
}

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

/* Responsive - larger screens */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }

  .hero p {
    font-size: 1.1rem;
  }

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

  nav ul {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 24px;
    gap: 20px;
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }

  nav ul.active {
    transform: translateY(0);
    opacity: 1;
    pointer-events: all;
  }

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

  .cta-floating {
    bottom: 16px;
    right: 16px;
    padding: 12px 20px;
    font-size: 0.9rem;
  }
}

/* Utility classes */
.text-center {
  text-align: center;
}

.mt-4 {
  margin-top: 40px;
}

.mt-5 {
  margin-top: 60px;
}

.mb-1 {
  margin-bottom: 16px;
}

.w-100 {
  width: 100%;
}

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

/* Section variations */
.gray-bg {
  background: var(--gray-100);
}

/* Dividers */
.section-divider {
  margin: 60px 0;
  border: none;
  border-top: 1px solid var(--gray-200);
}

/* Related articles list */
.related-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.related-title {
  margin-bottom: 16px;
}

.story-card {
  background: var(--gray-100);
  padding: 32px;
  border-radius: var(--radius-lg);
  margin: 40px 0;
}

/* Responsive - small screens */
@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .container {
    padding: 0 16px;
  }

  section {
    padding: 60px 0;
  }
}