/* 
 * RetailEase POS - Complete Stylesheet
 * Optimized for Performance
 */

/* ===========================
   1. CSS VARIABLES & RESET
   =========================== */

   :root {
    --accent: #0b74de;
    --accent-hover: #095ab0;
    --success: #10b981;
    --muted: #6b7280;
    --text: #e6eef8;
    --bg: #0a0f1a;
    --card: #0d1420;
    --border: rgba(255,255,255,0.06);
    --glass: rgba(255,255,255,0.03);
    --radius: 12px;
    --shadow: 0 4px 24px rgba(0,0,0,0.4);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  }
  
  * { 
    margin: 0; 
    padding: 0; 
    box-sizing: border-box; 
  }
  
  html { 
    scroll-behavior: smooth; 
  }
  
  body {
    background: linear-gradient(180deg, #050a12 0%, #0a0f1a 100%);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
  }
  
  a { 
    color: var(--accent); 
    text-decoration: none; 
    transition: all 0.3s ease; 
  }

  .padding-bottom {
    padding-bottom: 2rem;
  }
  
  
  /* ===========================
     2. HEADER & NAVIGATION
     =========================== */
  
  header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(10,15,26,0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 2px 12px rgba(0,0,0,0.3);
  }
  
  .container { 
    max-width: 1200px; 
    margin: 0 auto; 
    padding: 0 24px; 
  }
  
  nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 0;
    gap: 24px;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 800;
    font-size: 20px;
  }
  
  .logo-icon {
    width: 150px;
    height: 42px;
    display: flex;
    align-items: center;
    /* justify-content: center; */
    color: white;
    font-weight: 800;
  }
  
  .nav-links {
    display: flex;
    gap: 32px;
    list-style: none;
    align-items: center;
  }
  
  .nav-links a {
    color: var(--text);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
  }
  
  .nav-links a:hover {
    background: var(--glass);
    color: white;
  }
  
  .nav-actions {
    display: flex;
    gap: 8px;
    align-items: center;
  }
  
  .menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 24px;
    cursor: pointer;
  }
  
  
  /* ===========================
     3. BUTTONS
     =========================== */
  
  .btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 10px;
    font-weight: 600;
    transition: all 0.3s;
    text-align: center;
    cursor: pointer;
    border: none;
    font-size: 15px;
  }
  
  .btn-primary {
    background: var(--accent);
    color: white;
    box-shadow: 0 4px 12px rgba(11,116,222,0.3);
  }
  
  .btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(11,116,222,0.4);
  }
  
  .btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1px solid var(--border);
  }
  
  .btn-secondary:hover {
    background: var(--glass);
    border-color: var(--accent);
  }
  
  
  /* ===========================
     4. HERO SECTION
     =========================== */
  
  .hero {
    padding: 80px 0 60px;
  }
  
  .hero-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--glass);
    border: 1px solid var(--border);
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--success);
  }
  
  .hero h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .hero-lead {
    font-size: 20px;
    color: var(--muted);
    margin-bottom: 32px;
    line-height: 1.6;
  }
  
  .trust-signals {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
    margin-bottom: 32px;
    font-size: 14px;
    color: var(--muted);
  }
  
  .trust-signals span {
    display: flex;
    align-items: center;
    gap: 6px;
  }
  
  .hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
  }
  
  .hero-visual {
    position: relative;
    padding: 20px;
  }
  
  .hero-visual img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
  }
  
  
  /* ===========================
     5. BENEFITS SECTION
     =========================== */
  
  .benefits {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(11,116,222,0.03) 100%);
  }
  
  .section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
  }
  
  .section-header h2,
  .section-header h3 {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 16px;
  }
  
  .section-header p {
    font-size: 18px;
    color: var(--muted);
  }
  
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
  
  .benefit-card {
    background: var(--card);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s;
  }
  
  .benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
  }
  
.benefit-icon {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--accent), #06b6d4);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 20px;
}

.benefit-icon svg {
  width: 28px;
  height: 28px;
  stroke: white;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Hover effect */
.benefit-card:hover .benefit-icon svg {
  transform: scale(1.1);
  transition: transform 0.3s ease;
}
  
  .benefit-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
  }
  
  .benefit-card p {
    color: var(--muted);
    line-height: 1.7;
  }
  
  
  /* ===========================
     6. WHY MANUAL SECTION
     =========================== */
  
  .why-manual {
    padding: 80px 0;
    background: var(--card);
  }
  
  .why-manual-content {
    display: grid;
    grid-template-columns: 2fr;
    gap: 60px;
    align-items: center;
  }
  
  .why-manual h2 {
    font-size: 38px;
    font-weight: 800;
    margin-bottom: 24px;
  }
  
  .why-manual-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .why-item {
    display: flex;
    gap: 16px;
    padding: 20px;
    background: var(--glass);
    border-radius: 10px;
    border: 1px solid var(--border);
  }
  
  .why-item-icon {
    font-size: 24px;
    flex-shrink: 0;
  }
  
  .why-item h4 {
    font-size: 18px;
    margin-bottom: 8px;
  }
  
  .why-item p {
    color: var(--muted);
    font-size: 15px;
  }
  
  
  /* ===========================
     7. SCREENSHOTS SECTION (NEW)
     =========================== */
  
  .screenshots {
    padding: 80px 0;
    background: linear-gradient(180deg, transparent 0%, rgba(11,116,222,0.03) 50%, transparent 100%);
  }
  
  .screenshots-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
  }
  
  .screenshot-item {
    background: var(--card);
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
  }
  
  .screenshot-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
  }
  
  .screenshot-image {
    position: relative;
    overflow: hidden;
    height: 240px;
  }
  
  .screenshot-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
  }
  
  .screenshot-item:hover .screenshot-image img {
    transform: scale(1.05);
  }
  
  .screenshot-overlay {
    position: absolute;
    top: 16px;
    right: 16px;
  }
  
  .screenshot-badge {
    background: var(--accent);
    color: white;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .screenshot-info {
    padding: 24px;
  }
  
  .screenshot-info h4 {
    font-size: 18px;
    margin-bottom: 8px;
    color: var(--text);
  }
  
  .screenshot-info p {
    color: var(--muted);
    font-size: 14px;
    line-height: 1.6;
  }
  
  
  /* ===========================
     8. CALCULATOR SECTION
     =========================== */
  
  .calculator-section {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(11,116,222,0.03) 0%, transparent 50%, rgba(11,116,222,0.03) 100%);
  }
  
  .calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 48px;
  }
  
  .calculator-image {
    position: relative;
  }
  
  .calculator-image img {
    width: 100%;
    border-radius: 16px;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease;
  }
  
  .calculator-image img:hover {
    transform: scale(1.02);
  }
  
  .calculator-card {
    background: var(--card);
    padding: 40px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
  }
  
  .calculator-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(11,116,222,0.05) 0%, var(--card) 100%);
  }
  
  .calculator-card.featured::before {
    content: "FREE TOOL";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
  }
  
  .calculator-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--accent), #06b6d4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin-bottom: 24px;
  }
  
  .calculator-card h3 {
    font-size: 28px;
    margin-bottom: 16px;
    color: var(--text);
  }
  
  .calculator-card p {
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 24px;
    font-size: 16px;
  }
  
  .calculator-features {
    list-style: none;
    margin: 24px 0;
    padding: 0;
  }
  
  .calculator-features li {
    padding: 10px 0;
    color: var(--muted);
    font-size: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    border-bottom: 1px solid var(--border);
  }
  
  .calculator-features li:last-child {
    border-bottom: none;
  }
  
  
  /* ===========================
     9. FEATURES SECTION
     =========================== */
  
  .features {
    padding: 80px 0;
  }
  
  .features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
  
  .feature-card {
    background: var(--card);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  
  .feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--accent);
  }
  
  .feature-card p {
    color: var(--muted);
    margin-bottom: 20px;
    line-height: 1.7;
  }
  
  .feature-list {
    list-style: none;
  }
  
  .feature-list li {
    padding: 8px 0;
    padding-left: 28px;
    position: relative;
    color: var(--muted);
  }
  
  .feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 800;
  }
  
  
  /* ===========================
     10. TESTIMONIALS SECTION (NEW)
     =========================== */
  
  .testimonials {
    padding: 80px 0;
    background: var(--card);
  }
  
  .testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
  }
  
  .testimonial-card {
    background: var(--bg);
    padding: 32px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
    position: relative;
  }
  
  .testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
  }
  
  .testimonial-card.featured {
    border-color: var(--accent);
    background: linear-gradient(135deg, rgba(11,116,222,0.05) 0%, var(--bg) 100%);
  }
  
  .testimonial-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
  }
  
  .testimonial-rating {
    font-size: 18px;
    margin-bottom: 16px;
    color: #fbbf24;
  }
  
  .testimonial-text {
    color: var(--muted);
    line-height: 1.8;
    margin-bottom: 24px;
    font-size: 15px;
    font-style: italic;
  }
  
  .testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
  }
  
  .testimonial-author img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: 2px solid var(--accent);
  }
  
  .testimonial-author strong {
    display: block;
    color: var(--text);
    font-size: 16px;
    margin-bottom: 4px;
  }
  
  .testimonial-author span {
    display: block;
    color: var(--muted);
    font-size: 13px;
  }
  
  .testimonial-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
    margin-top: 60px;
    padding-top: 60px;
    border-top: 1px solid var(--border);
  }
  
  .stat-item {
    text-align: center;
  }
  
  .stat-number {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 8px;
  }
  
  .stat-label {
    color: var(--muted);
    font-size: 14px;
  }
  
  
  /* ===========================
     11. PRICING SECTION
     =========================== */
  
  .pricing {
    padding: 80px 0;
    background: linear-gradient(180deg, rgba(11,116,222,0.03) 0%, transparent 100%);
  }
  
  .pricing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 48px;
  }
  
  .plan {
    background: var(--card);
    padding: 40px 20px;
    border-radius: var(--radius);
    border: 2px solid var(--border);
    position: relative;
    transition: all 0.3s;
  }
  
  .plan.popular {
    border-color: var(--accent);
    transform: scale(1.05);
  }
  
  .plan.popular::before {
    content: "Most Popular";
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: white;
    padding: 4px 16px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
  }
  
  .plan:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
  }
  
  .plan h3 {
    font-size: 24px;
    margin-bottom: 8px;
  }
  
  .plan-desc {
    color: var(--muted);
    margin-bottom: 24px;
  }
  
  .price {
    font-size: 24px;
    font-weight: 800;
    margin: 24px 0;
  }
  
  .price span {
    font-size: 18px;
    color: var(--muted);
    font-weight: 500;
  }
  
  .plan ul {
    list-style: none;
    margin: 24px 0;
  }
  
  .plan li {
    padding: 12px 0;
    padding-left: 28px;
    position: relative;
    color: var(--muted);
  }
  
  .plan li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 800;
  }
  
  /* ===========================
     12. FAQ SECTION (EXPANDABLE/COLLAPSIBLE)
     =========================== */
  
  .faq {
    padding: 80px 0;
    background: var(--card);
  }
  
  .faq-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
  }
  
  .faq-item {
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
  }
  
  .faq-item:hover {
    border-color: var(--accent);
  }
  
  .faq-question {
    font-size: 20px;
    font-weight: 700;
    color: var(--accent);
    padding: 24px 28px;
    margin: 0;
    cursor: pointer;
    position: relative;
    user-select: none;
    transition: all 0.3s ease;
  }
  
  .faq-question:hover {
    background: var(--glass);
    color: #0b9cde;
  }
  
  /* Plus/Minus Icon */
  .faq-question::after {
    content: '+';
    position: absolute;
    right: 28px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 28px;
    font-weight: 400;
    color: var(--accent);
    transition: transform 0.3s ease;
  }
  
  .faq-item.active .faq-question::after {
    content: '−';
    transform: translateY(-50%) rotate(180deg);
  }
  
  /* Answer - Hidden by default */
  .faq-answer {
    color: var(--muted);
    line-height: 1.7;
    padding: 0 28px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
  }
  
  .faq-item.active .faq-answer {
    padding: 0 28px 24px 28px;
    max-height: 500px;
  }
  
  /* Active state */
  .faq-item.active {
    background: linear-gradient(135deg, rgba(11,116,222,0.05) 0%, var(--bg) 100%);
  }
  
  .faq-item.active .faq-question {
    color: #0b9cde;
  }
  
  
  /* ===========================
     13. CTA SECTION (NEW)
     =========================== */
  
  .cta-section {
    padding: 100px 0;
    background: linear-gradient(135deg, rgba(11,116,222,0.1) 0%, rgba(6,182,212,0.1) 100%);
    position: relative;
    overflow: hidden;
  }
  
  .cta-section::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><rect width="1" height="1" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.5;
  }
  
  .cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
  }
  
  .cta-content h2 {
    font-size: 48px;
    font-weight: 800;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #ffffff 0%, #a0aec0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
  }
  
  .cta-content p {
    font-size: 20px;
    color: var(--muted);
    margin-bottom: 32px;
  }
  
  .cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
  }
  
  
  /* ===========================
     14. CONTACT PAGE SECTIONS
     =========================== */
  
  /* Contact Hero */
  .contact-hero {
    padding: 80px 0 40px;
  }
  
  /* Contact Content */
  .contact-content {
    padding: 40px 0 80px;
  }
  
  .contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
  }
  
  .contact-info-full h2 {
    font-size: 32px;
    margin-bottom: 16px;
  }
  
  .contact-info-full p {
    color: var(--muted);
    margin-bottom: 40px;
    line-height: 1.7;
  }
  
  /* Contact Methods */
  .contact-methods {
    display: grid;
    gap: 24px;
    margin-bottom: 48px;
  }
  
  .contact-method-card {
    display: flex;
    gap: 20px;
    padding: 24px;
    background: var(--card);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    transition: all 0.3s ease;
  }
  
  .contact-method-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--accent);
  }
  
  .method-icon {
    flex-shrink: 0;
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass);
    border-radius: 12px;
    border: 1px solid var(--border);
  }
  
  .method-info h3 {
    font-size: 20px;
    margin-bottom: 4px;
    color: var(--text);
  }
  
  .method-info p {
    color: var(--muted);
    font-size: 14px;
    margin-bottom: 12px;
  }
  
  .method-link {
    display: block;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 4px;
    transition: color 0.3s;
  }
  
  .method-link:hover {
    color: var(--accent-hover);
  }
  
  /* Business Hours */
  .business-hours {
    background: var(--card);
    padding: 28px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
  }
  
  .hours-grid {
    display: flex;
    flex-direction: column;
    gap: 12px;
  }
  
  .hours-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
  }
  
  .hours-item:last-child {
    border-bottom: none;
  }
  
  .hours-item .day {
    color: var(--muted);
    font-weight: 500;
  }
  
  .hours-item .time {
    color: var(--text);
    font-weight: 600;
  }
  
  /* Contact Form */
  .contact-form-wrapper {
    position: sticky;
    top: 100px;
  }
  
  .contact-form {
    background: var(--card);
    padding: 40px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
  }
  
  .form-group {
    margin-bottom: 20px;
  }
  
  .form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text);
  }
  
  .form-control {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 15px;
    transition: all 0.3s;
  }
  
  .form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(11,116,222,0.1);
  }
  
  .form-control::placeholder {
    color: var(--muted);
    opacity: 0.6;
  }
  
  select.form-control {
    cursor: pointer;
  }
  
  textarea.form-control {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
  }
  
  /* Active Nav Link */
  .nav-links a.active {
    background: var(--glass);
    color: var(--accent);
  }
  
  /* Responsive for Contact Page */
  @media (max-width: 968px) {
    .contact-grid {
      grid-template-columns: 1fr;
      gap: 48px;
    }
    
    .contact-form-wrapper {
      position: static;
    }
    
    .contact-hero h1 {
      font-size: 36px;
    }
    
    .contact-info-full h2 {
      font-size: 28px;
    }
  }

  @media (max-width: 768px) {
    .why-manual-list {
      grid-template-columns: 1fr;
    }
  }
  
  @media (max-width: 640px) {
    .contact-hero {
      padding: 40px 0 20px;
    }
    
    .contact-hero h1 {
      font-size: 28px;
    }
    
    .contact-hero p {
      font-size: 16px;
    }
    
    .contact-method-card {
      flex-direction: column;
      align-items: center;
      text-align: center;
    }
    
    .method-icon {
      width: 56px;
      height: 56px;
    }
    
    .contact-form {
      padding: 24px;
    }

    .faq-grid {
      grid-template-columns: 1fr;
    }
  }
  
  
  /* ===========================
     15. FOOTER
     =========================== */
  
  footer {
    background: var(--card);
    border-top: 1px solid var(--border);
    padding: 40px 0 20px;
  }
  
  .footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 32px;
  }
  
  .footer-brand h3 {
    font-size: 24px;
    margin-bottom: 12px;
  }
  
  .footer-brand p {
    color: var(--muted);
    line-height: 1.7;
  }
  
  .footer-links h4 {
    font-size: 16px;
    margin-bottom: 16px;
  }
  
  .footer-links ul {
    list-style: none;
  }
  
  .footer-links li {
    margin-bottom: 10px;
  }
  
  .footer-links a {
    color: var(--muted);
    transition: color 0.3s;
  }
  
  .footer-links a:hover {
    color: var(--accent);
  }
  
  .footer-bottom {
    padding-top: 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--muted);
  }
  
  
  /* ===========================
     16. RESPONSIVE DESIGN
     =========================== */
  
  /* Tablets & Medium Screens */
  @media (max-width: 968px) {
    .hero-grid {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    
    .hero h1 { 
      font-size: 42px; 
    }
    
    .benefits-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .why-manual-content {
      grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .calculator-layout {
      grid-template-columns: 1fr;
      gap: 40px;
    }
    
    .calculator-image {
      order: 2;
    }
    
    .calculator-card {
      order: 1;
    }
    
    .features-grid {
      grid-template-columns: 1fr;
    }
    
    .testimonials-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonial-stats {
      grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
      grid-template-columns: 1fr;
    }
    
    .plan.popular {
      transform: none;
    }
    
    .contact-grid {
      grid-template-columns: 1fr;
    }
    
    .footer-content {
      grid-template-columns: 1fr 1fr;
    }
  }
  
  /* Mobile Devices */
  @media (max-width: 640px) {
    .container { 
      padding: 0 16px; 
    }
    
    .nav-links {
      display: none;
      position: absolute;
      top: 100%;
      left: 0;
      right: 0;
      background: var(--card);
      flex-direction: column;
      padding: 20px;
      box-shadow: var(--shadow);
    }
    
    .nav-links.show {
      display: flex;
    }
    
    .menu-toggle {
      display: block;
    }
    
    .nav-actions {
      flex-direction: column;
      width: 100%;
    }
    
    .nav-actions .btn {
      width: 100%;
    }
    
    .hero {
      padding: 40px 0;
    }
    
    .hero-grid {
      gap: 30px;
    }
    
    .hero h1 {
      font-size: 32px;
    }
    
    .hero-lead {
      font-size: 16px;
    }
    
    .section-header h2,
    .section-header h3 {
      font-size: 32px;
    }
    
    .benefits-grid {
      grid-template-columns: 1fr;
    }
    
    .screenshots-grid {
      grid-template-columns: 1fr;
    }
    
    .calculator-section {
      padding: 60px 0;
    }
    
    .calculator-card {
      padding: 24px;
    }
    
    .calculator-icon {
      width: 56px;
      height: 56px;
      font-size: 28px;
    }
    
    .calculator-card h3 {
      font-size: 24px;
    }
    
    .testimonials-grid {
      grid-template-columns: 1fr;
    }
    
    .testimonial-stats {
      grid-template-columns: 1fr;
      gap: 24px;
    }
    
    .stat-number {
      font-size: 36px;
    }
    
    .cta-content h2 {
      font-size: 32px;
    }
    
    .cta-content p {
      font-size: 16px;
    }
    
    .cta-actions {
      flex-direction: column;
    }
    
    .cta-actions .btn {
      width: 100%;
    }
    
    .footer-content {
      grid-template-columns: 1fr;
    }
  }
  
  /* Hide nav actions on medium screens */
  @media (max-width: 1140px) {
    .nav-actions {
      display: none;
    }
  }
  
  
  /* ===========================
     17. UTILITY CLASSES
     =========================== */
  
  .text-center {
    text-align: center;
  }
  
  .mb-0 { margin-bottom: 0; }
  .mb-1 { margin-bottom: 8px; }
  .mb-2 { margin-bottom: 16px; }
  .mb-3 { margin-bottom: 24px; }
  .mb-4 { margin-bottom: 32px; }
  
  .mt-0 { margin-top: 0; }
  .mt-1 { margin-top: 8px; }
  .mt-2 { margin-top: 16px; }
  .mt-3 { margin-top: 24px; }
  .mt-4 { margin-top: 32px; }
  
  .p-0 { padding: 0; }
  .p-1 { padding: 8px; }
  .p-2 { padding: 16px; }
  .p-3 { padding: 24px; }
  .p-4 { padding: 32px; }
  
  
  /* ===========================
     18. ANIMATIONS & EFFECTS
     =========================== */
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
  
  .fade-in {
    animation: fadeIn 0.6s ease-out;
  }
  
  /* Smooth transitions for interactive elements */
  button,
  .btn,
  a,
  input,
  textarea,
  select {
    transition: all 0.3s ease;
  }
  
  /* Focus states for accessibility */
  button:focus,
  .btn:focus,
  a:focus,
  input:focus,
  textarea:focus,
  select:focus {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
  }
  
  
  /* ===========================
     19. PRINT STYLES
     =========================== */
  
  @media print {
    header,
    footer,
    .nav-actions,
    .btn,
    .contact-form {
      display: none;
    }
    
    body {
      background: white;
      color: black;
    }
    
    .container {
      max-width: 100%;
    }
  }
  
  /* ===========================
   WHATSAPP FLOATING BUTTON
   =========================== */

.whatsapp-float {
  position: fixed;
  bottom: 30px;
  left: 30px;
  z-index: 99;
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, #25D366 0%, #128C7E 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  transition: all 0.3s ease;
  animation: whatsapp-pulse 2s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1) translateY(-5px);
  box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
  width: 32px;
  height: 32px;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.2));
}

/* Pulse Animation */
@keyframes whatsapp-pulse {
  0% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
  50% {
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7), 0 0 0 10px rgba(37, 211, 102, 0.1);
  }
  100% {
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
  }
}

/* Tooltip on hover (Desktop only) */
.whatsapp-float::after {
  content: "Chat with us";
  position: absolute;
  left: 75px;
  background: var(--card);
  color: var(--text);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.whatsapp-float:hover::after {
  opacity: 1;
}

/* ===========================
   MOBILE OPTIMIZATION
   =========================== */

/* Tablets */
@media (max-width: 968px) {
  .whatsapp-float {
    width: 56px;
    height: 56px;
    bottom: 25px;
    left: 25px;
  }
  
  .whatsapp-float svg {
    width: 30px;
    height: 30px;
  }
}

/* Mobile Devices - Portrait */
@media (max-width: 640px) {
  .whatsapp-float {
    width: 52px;
    height: 52px;
    bottom: 20px;
    left: 20px;
    z-index: 999; /* Ensure it's above other elements */
  }
  
  .whatsapp-float svg {
    width: 26px;
    height: 26px;
  }
  
  /* Hide tooltip on mobile */
  .whatsapp-float::after {
    display: none;
  }
  
  /* Reduce pulse effect on mobile to save performance */
  @keyframes whatsapp-pulse {
    0%, 100% {
      box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
      box-shadow: 0 4px 25px rgba(37, 211, 102, 0.6);
    }
  }
}

/* Very Small Screens */
@media (max-width: 375px) {
  .whatsapp-float {
    width: 48px;
    height: 48px;
    bottom: 15px;
    left: 15px;
  }
  
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }
}

/* ===========================
   TAWK.TO ADJUSTMENT (Important!)
   =========================== */

/* If Tawk.to is bottom-right, this prevents overlap */
@media (max-width: 640px) {
  /* Tawk.to widget typically sits at bottom-right */
  /* WhatsApp at bottom-left - no conflict */
  
  /* But if your Tawk.to is also on left, adjust: */
  .whatsapp-float {
    bottom: 90px; /* Move WhatsApp above Tawk.to */
  }
}

/* Landscape mode on mobile */
@media (max-width: 968px) and (orientation: landscape) {
  .whatsapp-float {
    bottom: 15px;
    left: 15px;
    width: 48px;
    height: 48px;
  }
}

.testimonial-rating {
  display: flex;
  gap: 4px;
  margin-bottom: 16px;
  align-items: center;
}

.testimonial-rating svg {
  flex-shrink: 0;
}
  /* ===========================
     END OF STYLESHEET
     =========================== */