:root {
      --primary-color: #1a365d;
      --secondary-color: #2b6cb0;
      --accent-color: #dd6b20;
      --bg-light: #f7fafc;
      --border-color: #e2e8f0;
      --text-main: #2d3748;
    }

    * { box-sizing: border-box; }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
      color: var(--text-main);
      background-color: #f8fafc;
      line-height: 1.6;
      margin: 0; padding: 0;
    }

    a { text-decoration: none; color: var(--secondary-color); }
    a:hover { color: var(--primary-color); }

    /* Navigation */
    header { background: #ffffff; border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 100; }
    nav { max-width: 1200px; margin: 0 auto; padding: 0 24px; display: flex; align-items: center; justify-content: space-between; height: 72px; }
    .logo { display: flex; align-items: center; gap: 12px; color: var(--primary-color); }
    .logo-icon { width: 36px; height: 36px; background: var(--primary-color); color: #fff; border-radius: 8px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 20px; }
    .logo-text span { font-size: 20px; font-weight: 700; display: block; line-height: 1.1; }
    .logo-text small { font-size: 10px; color: #718096; letter-spacing: 0.5px; }
    .nav-links { display: flex; list-style: none; gap: 28px; margin: 0; padding: 0; align-items: center; }
    .nav-links a { color: var(--text-main); font-weight: 500; font-size: 15px; }
    .nav-links a:hover, .nav-links a.active { color: var(--secondary-color); }
    .nav-cta { background: var(--accent-color); color: #fff !important; padding: 8px 18px; border-radius: 4px; }
    .nav-cta:hover { background: #c05621; color: #fff !important; }
    .hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
    .hamburger span { width: 24px; height: 2px; background: var(--primary-color); }
    .dropdown { position: relative; }
.dropdown::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 0;
  width: 100%;
  height: 8px;
  background: transparent;
  z-index: 199;
}

    .dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; }
    .dropdown-menu { display: none; position: absolute; top: calc(100% + 8px); left: 0; background: #ffffff; border: 1px solid var(--border-color); border-radius: 6px; min-width: 200px; padding: 8px 0; list-style: none; margin: 0; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); z-index: 200; }
    .dropdown:hover .dropdown-menu, .dropdown:focus-within .dropdown-menu { display: block; }
    .dropdown-menu a { display: block; padding: 8px 16px; font-size: 14px; color: var(--text-main); white-space: nowrap; }
    .dropdown-menu a:hover { background: #f7fafc; color: var(--secondary-color); }
    .dropdown-menu a.active { color: var(--secondary-color); font-weight: 600; }
    @media (max-width: 768px) { .nav-links { display: none; } .hamburger { display: flex; } }

    /* Breadcrumb */
    .breadcrumb { background: #fff; border-bottom: 1px solid var(--border-color); }
    .breadcrumb-inner { max-width: 1200px; margin: 0 auto; padding: 12px 24px; font-size: 14px; color: #718096; }
    .breadcrumb-inner a { color: var(--secondary-color); }
    .breadcrumb-sep { margin: 0 8px; color: #cbd5e0; }

    .main-wrapper { max-width: 1100px; margin: 40px auto; padding: 0 20px; }

    .page-header { text-align: center; margin-bottom: 40px; border-bottom: 2px solid var(--primary-color); padding-bottom: 20px; }
    h1 { font-size: 32px; color: var(--primary-color); margin: 0 0 10px 0; }
    .subtitle { font-size: 16px; color: #718096; margin: 0; }

    .grid-container { display: grid; grid-template-columns: 1fr 1fr; gap: 30px; margin-bottom: 40px; align-items: start; }
    @media (max-width: 768px) { .grid-container { grid-template-columns: 1fr; } }

    .card { background: #ffffff; border: 1px solid var(--border-color); border-radius: 8px; padding: 30px; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); }
    .form-group { margin-bottom: 20px; }
    .form-group label { display: block; font-weight: bold; margin-bottom: 8px; color: var(--primary-color); }
    .form-control { width: 100%; padding: 12px; border: 1px solid #cbd5e0; border-radius: 6px; font-size: 15px; }

    .qty-presets { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
    .qty-preset { background-color: #ffffff; border: 1px solid #cbd5e0; color: #4a5568; padding: 6px 12px; border-radius: 4px; font-size: 13px; cursor: pointer; transition: all 0.15s; }
    .qty-preset:hover, .qty-preset.active { background-color: #2b6cb0; border-color: #2b6cb0; color: #ffffff; }

    .result-panel { background-color: #ffffff; border-left: 4px solid #48bb78; border-radius: 0 6px 6px 0; padding: 18px; }
    .result-section { margin-bottom: 14px; padding-bottom: 8px; border-bottom: 1px dashed #e2e8f0; }
    .result-section:last-of-type { border-bottom: 1px solid #e2e8f0; margin-bottom: 10px; }
    .result-section-title { font-size: 12px; font-weight: bold; color: #2b6cb0; text-transform: uppercase; letter-spacing: 0.3px; margin-bottom: 8px; }
    .result-item { font-size: 14px; margin-bottom: 10px; display: flex; justify-content: space-between; gap: 12px; padding-bottom: 8px; border-bottom: 1px dashed #e2e8f0; }
    .result-item:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
    .result-item strong { color: #22543d; font-size: 15px; }
    .result-label { color: #4a5568; }

    .standard-info { background-color: #f7fafc; border-radius: 6px; padding: 14px 16px; margin-bottom: 14px; border: 1px solid #e2e8f0; }
    .standard-info .result-item:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }
    .customer-divider { background-color: #fffaf0; border-left: 4px solid #dd6b20; padding: 10px 14px; margin-bottom: 14px; border-radius: 0 4px 4px 0; font-size: 12px; font-weight: bold; color: #744210; }
    .customer-info .result-item:last-child { border-bottom: none; padding-bottom: 0; margin-bottom: 0; }

    .calc-hook { font-size: 12px; color: #627d98; margin-top: 14px; padding-top: 12px; border-top: 1px dashed #bcccdc; line-height: 1.55; }

    h2 { font-size: 22px; color: var(--primary-color); border-bottom: 2px solid var(--border-color); padding-bottom: 8px; margin-top: 40px; }

    .data-table { width: 100%; border-collapse: collapse; margin: 20px 0; background: #ffffff; }
    .data-table th, .data-table td { border: 1px solid var(--border-color); padding: 12px 15px; text-align: left; }
    .data-table th { background-color: var(--primary-color); color: #ffffff; }
    .data-table tr:nth-child(even) { background-color: var(--bg-light); }

    .faq-section { margin-top: 40px; }
    .faq-wrapper { background: #ffffff; border: 1px solid var(--border-color); border-radius: 8px; padding: 20px; }
    .faq-question { font-weight: bold; color: var(--primary-color); margin-top: 15px; font-size: 16px; }
    .faq-answer { color: #4a5568; margin-bottom: 15px; border-bottom: 1px solid #edf2f7; padding-bottom: 10px; }

    .cta-banner { background: linear-gradient(135deg, #1a365d 0%, #2a4365 100%); color: white; padding: 30px; text-align: center; border-radius: 8px; margin-top: 40px; }
    .cta-banner h3 { margin-top: 0; }
    .cta-btn { display: inline-block; background-color: var(--accent-color); color: white; padding: 12px 35px; text-decoration: none; font-weight: bold; border-radius: 4px; margin-top: 15px; }
    .cta-btn:hover { background-color: #c05621; }

    /* Footer */
    footer { background: var(--primary-color); color: #fff; padding: 60px 24px 24px; margin-top: 80px; }
    .footer-content { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
    .footer-section h4 { font-size: 16px; font-weight: 700; margin-bottom: 20px; color: #f6ad55; }
    .footer-section p, .footer-section li { font-size: 14px; color: rgba(255,255,255,0.8); margin-bottom: 12px; line-height: 1.6; }
    .footer-section ul { list-style: none; padding: 0; margin: 0; }
    .footer-section a { color: rgba(255,255,255,0.8); }
    .footer-section a:hover { color: #f6ad55; }
    .footer-bottom { max-width: 1200px; margin: 40px auto 0; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.1); text-align: center; font-size: 14px; color: rgba(255,255,255,0.6); }
    @media (max-width: 768px) { .footer-content { grid-template-columns: 1fr; } }
  


/* Resources dropdown nav */
.dropdown { position: relative; display: inline-block; }
.dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  min-width: 200px;
  padding: 8px 0;
  list-style: none;
  margin: 0;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  z-index: 200;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: #2d3748;
  white-space: nowrap;
  text-decoration: none;
}
.dropdown-menu a:hover { background: #f7fafc; color: #2b6cb0; }
.dropdown-menu a.active { color: #2b6cb0; font-weight: 600; }




/* Unified header styles */
header {
  background: #1e3a5f !important;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
  position: sticky;
  width: 100%;
  top: 0;
  z-index: 1000;
}
nav {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 72px;
}
.logo {
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 10px;
}
header .logo::before {
  content: 'A';
  width: 44px;
  height: 44px;
  background: #d4a84b;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  font-weight: 800;
  color: #1e3a5f;
}
.nav-links {
  display: flex;
  list-style: none;
  gap: 8px;
  align-items: center;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  color: rgba(255,255,255,0.88);
  font-weight: 500;
  font-size: 14px;
  padding: 8px 14px;
  border-radius: 6px;
  transition: all 0.3s ease;
  position: relative;
  display: inline-block;
}
.nav-links a:hover { background: rgba(255,255,255,0.15); color: #fff; }
.hamburger { display: none; flex-direction: column; gap: 5px; cursor: pointer; }
.hamburger span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 2px; }
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 8px;
  right: 8px;
  height: 2px;
  background: #d4a84b;
  border-radius: 1px;
}
.nav-cta {
  background: #d4a84b;
  color: #1e3a5f !important;
  padding: 10px 20px;
  border-radius: 6px;
  font-weight: 700;
}
.nav-cta:hover { background: #d49010; transform: translateY(-2px); }
/* Language Switcher */
.lang-switcher {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: 16px;
  padding-left: 16px;
  border-left: 1px solid rgba(255,255,255,0.2);
}
.lang-switcher a {
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 6px;
  color: rgba(255,255,255,0.8);
  transition: all 0.3s ease;
  text-decoration: none;
}
.lang-switcher a.active {
  background: rgba(255,255,255,0.25);
  color: #fff;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}
.lang-switcher a:hover:not(.active) { color: #fff; }
/* Resources dropdown nav */
.dropdown { position: relative; display: inline-block; }
.dropdown-toggle { display: inline-flex; align-items: center; gap: 4px; }
.dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  min-width: 200px;
  padding: 8px 0;
  list-style: none;
  margin: 0;
  box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1);
  z-index: 200;
}
.dropdown:hover .dropdown-menu,
.dropdown:focus-within .dropdown-menu { display: block; }
.dropdown-menu li { list-style: none; }
.dropdown-menu a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  color: #2d3748;
  white-space: nowrap;
  text-decoration: none;
}
.dropdown-menu a:hover { background: #f7fafc; color: #2b6cb0; }
.dropdown-menu a.active { color: #2b6cb0; font-weight: 600; }
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-links.open { display: flex; }
  .hamburger { display: flex; }
}