:root{
    --bg: #0d1117; --bg-alt: #010409; --card: #161b22; --border: #3036d;
    --accent: #2f81f7; --accent-hover: #4895fd; --text: #c9d1d9; --text-dim: #8b949e;
    --success: #2ea043; --radius: 12px; --shadow: 0 8px 24px rgba(1, 4, 9, 0.6);
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  }
  *, *::before, *::after { box-sizing: border-box; }
  
  body { margin: 0; font-family: 'Vazirmatn', system-ui, sans-serif; color: var(--text); background-color: var(--bg-alt); line-height: 1.7; }
  .container { width: min(1100px, 92%); margin-inline: auto; }
  .section-title { font-size: 2.5rem; text-align: center; margin: 0 0 3rem; font-weight: 800; position: relative; padding-bottom: 1rem; }
  .section-title::after { content: ''; position: absolute; bottom: 0; left: 50%; transform: translateX(-50%); width: 80px; height: 4px; background-color: var(--accent); border-radius: 2px; }
  
  /* Header & Buttons */
  .main-header { padding: 1.5rem 0; position: absolute; width: 100%; top: 0; left: 0; z-index: 10; }
  .main-header nav { display: flex; justify-content: space-between; align-items: center; }
  .logo { font-size: 1.5rem; font-weight: 700; }
  .btn-primary, .btn-secondary, .btn-primary-outline, .btn-primary-small { border: 1px solid var(--accent); padding: 0.8rem 1.8rem; border-radius: 8px; font-weight: 600; text-decoration: none; display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; transition: var(--transition); }
  .btn-primary { background: var(--accent); color: white; }
  .btn-primary:hover { background: var(--accent-hover); transform: translateY(-3px); }
  .btn-secondary { background: rgba(255, 255, 255, 0.1); color: var(--text); border-color: var(--border); }
  .btn-secondary:hover { background: rgba(255, 255, 255, 0.2); border-color: var(--text); }
  .btn-primary-outline { background: transparent; color: var(--text); border-color: var(--border); }
  .btn-primary-outline:hover { background: var(--accent); color: white; border-color: var(--accent); }
  .btn-large { font-size: 1.2rem; padding: 1rem 2.5rem; }
  .btn-primary-small { padding: 0.6rem 1.2rem; font-size: 0.9rem; margin-top: 1rem; }
  
  /* Hero Section */
  .hero-section { position: relative; min-height: 90vh; display: flex; align-items: center; padding: 10rem 0 5rem; text-align: center; overflow: hidden; }
  .hero-bg {
    position: absolute; inset: 0; z-index: -1;
    /* New Image URL */
    background: url('https://images.unsplash.com/photo-1563291074-2bf8677ac0e5?q=80&w=1974&auto=format&fit=crop') no-repeat center center/cover;
  }
  .hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg-alt) 5%, rgba(13, 17, 23, 0.8) 50%, rgba(13, 17, 23, 0.6) 100%); }
  .hero-content { max-width: 700px; margin: auto; }
  .hero-content h1 { font-size: 3.5rem; font-weight: 800; margin: 0 0 1rem; line-height: 1.3; }
  .hero-content p { font-size: 1.2rem; color: var(--text-dim); margin: 0 0 2rem; }
  .hero-actions { display: flex; justify-content: center; gap: 1rem; flex-wrap: wrap; }
  
  /* Why Us Section */
  .why-us-section { padding: 5rem 0; }
  .benefits-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
  .benefit-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; text-align: center; transition: var(--transition); border-top: 4px solid var(--accent); }
  .benefit-card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
  .benefit-card .bi { font-size: 3rem; color: var(--accent); margin-bottom: 1rem; }
  .benefit-card h3 { margin: 0 0 0.5rem; }
  .benefit-card p { color: var(--text-dim); }
  
  /* Process Section */
  .process-section { padding: 5rem 0; background: var(--card); }
  .process-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 2rem; text-align: center; position: relative; }
  .process-step { position: relative; }
  .process-step:not(:last-child)::after { content: ''; position: absolute; top: 30px; left: -50%; width: 100%; height: 2px; background: repeating-linear-gradient(90deg, var(--border), var(--border) 5px, transparent 5px, transparent 10px); z-index: -1; transform: translateX(50%); }
  .process-step span { display: grid; place-items: center; width: 60px; height: 60px; border-radius: 50%; background-color: var(--bg); border: 2px solid var(--border); font-size: 1.5rem; font-weight: 700; color: var(--accent); margin: 0 auto 1.5rem; }
  .process-step h3 { margin: 0 0 0.5rem; }
  .process-step p { color: var(--text-dim); }
  
  /* Testimonials Section */
  .testimonials-section { padding: 5rem 0; }
  .testimonials-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
  .testimonial-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 2rem; position: relative; }
  .testimonial-card::before { content: '“'; position: absolute; top: 1rem; right: 1.5rem; font-size: 5rem; color: var(--border); font-weight: 800; line-height: 1; }
  .testimonial-card p { font-size: 1.1rem; margin: 0 0 1.5rem; position: relative; z-index: 2; }
  .testimonial-card cite { display: flex; align-items: center; gap: 1rem; font-style: normal; }
  .testimonial-card cite img { width: 60px; height: 60px; border-radius: 50%; border: 2px solid var(--border); }
  .testimonial-card cite span { color: var(--text-dim); display: block; font-size: 0.9rem; }
  
  /* FAQ Section */
  .faq-section { padding: 5rem 0; }
  .faq-accordion { max-width: 700px; margin: auto; }
  .faq-accordion details { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 1rem; overflow: hidden; }
  .faq-accordion summary { font-size: 1.1rem; font-weight: 600; padding: 1.5rem; cursor: pointer; display: flex; justify-content: space-between; align-items: center; }
  .faq-accordion summary::after { content: '\f282'; font-family: "bootstrap-icons"; transition: transform 0.2s ease; }
  .faq-accordion details[open] summary::after { transform: rotate(180deg); }
  .faq-accordion p { padding: 0 1.5rem 1.5rem; margin: 0; color: var(--text-dim); border-top: 1px solid var(--border); padding-top: 1.5rem; }
  
  /* Final CTA Section & Footer */
  .final-cta-section { padding: 5rem 0; text-align: center; background: var(--bg-alt); background-image: radial-gradient(circle at 50% 50%, var(--card) 1px, transparent 0); background-size: 24px 24px; }
  .final-cta-section h2 { font-size: 2.5rem; margin: 0 0 1rem; }
  .final-cta-section p { color: var(--text-dim); margin: 0 0 2rem; }
  .main-footer { padding: 2rem 0; text-align: center; color: var(--text-dim); border-top: 1px solid var(--border); }
  
  /* Responsive Adjustments */
  @media (max-width: 992px) { .process-step:not(:last-child)::after { display: none; } }
  @media (max-width: 900px) { .testimonials-grid { grid-template-columns: 1fr; } }
  @media (max-width: 600px) {
    .section-title, .hero-content h1, .final-cta-section h2 { font-size: 2rem; }
    .hero-section { min-height: 70vh; }
  }