:root {
  --primary: #173A2C;
  --primary-dark: #1F4D3A;
  --accent: #C9A962;
  --off-white: #F7F7F5;
  --white: #FFFFFF;
  --text: #1A1A1A;
  --text-secondary: #555555;
  --border: #E0E0E0;
  --max-width: 1280px;
  --section-pad: 80px;
  --section-pad-mobile: 48px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Source Sans 3", "Helvetica", "Arial", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.7;
  font-size: 16px;
}
h1, h2, h3, h4, h5, h6 {
  font-family: "Inter", "Arial", sans-serif;
  line-height: 1.25;
  color: var(--primary);
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section { padding: var(--section-pad) 0; }
.section.bg-off-white { background: var(--off-white); }
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-family: "Inter", "Arial", sans-serif;
  font-weight: 600;
  font-size: 16px;
  border-radius: 4px;
  border: 2px solid var(--primary);
  transition: all 0.2s ease;
  text-align: center;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); }
.btn-secondary { background: transparent; color: var(--primary); }
.btn-secondary:hover { background: var(--primary); color: var(--white); }

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  z-index: 100;
  height: 80px;
  display: flex;
  align-items: center;
}
.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-family: "Inter", sans-serif; font-size: 24px; font-weight: 700; color: var(--primary); }
.nav { display: flex; align-items: center; gap: 32px; }
.nav a {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 15px;
  color: var(--text);
  padding: 8px 0;
}
.nav a:hover { color: var(--primary); }
.nav-cta { margin-left: 16px; }

/* Dropdown */
.dropdown { position: relative; }
.dropdown-menu {
  position: absolute;
  top: 140%;
  left: 0;
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 6px;
  min-width: 220px;
  padding: 8px 0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: all 0.2s ease;
}
.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 20px;
  color: var(--text);
  font-size: 14px;
}
.dropdown-menu a:hover { background: var(--off-white); }

.mobile-menu-btn { display: none; }

/* Hero home */
.hero {
  min-height: 600px;
  display: flex;
  align-items: center;
  background: var(--white);
}
.hero .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.hero h1 {
  font-size: 48px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 24px;
}
.hero p {
  font-size: 18px;
  color: var(--text-secondary);
  margin-bottom: 32px;
}
.hero-actions { display: flex; gap: 16px; align-items: center; flex-wrap: wrap; }
.hero-trust {
  margin-top: 28px;
  font-size: 14px;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 8px;
}
.hero-image {
  background: linear-gradient(135deg, #f0f4f2 0%, #e3e8e6 100%);
  border-radius: 8px;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-family: "Inter", sans-serif;
  font-size: 18px;
  flex-direction: column;
}

/* Page hero */
.page-hero {
  background: var(--off-white);
  padding: 110px 0 80px;
  text-align: center;
}
.page-hero h1 { font-size: 44px; font-weight: 700; margin-bottom: 16px; }
.page-hero p {
  font-size: 18px;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}
.breadcrumb {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 20px;
}
.breadcrumb a:hover { text-decoration: underline; }

/* Section headers */
.section-title {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}
.section-title-left { text-align: left; margin-left: 0; }
.section-title h2 { font-size: 36px; font-weight: 600; margin-bottom: 16px; }
.section-title p { font-size: 17px; color: var(--text-secondary); }

/* Grids */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}
.card:hover { box-shadow: 0 8px 24px rgba(0,0,0,0.06); transform: translateY(-2px); }
.card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
  color: var(--primary);
}
.card h3 { font-size: 20px; font-weight: 600; margin-bottom: 10px; }
.card p { font-size: 15px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.6; }
.card-link {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 14px;
  color: var(--primary);
}
.card-link:hover { color: var(--accent); }

/* Product card */
.product-card .product-img {
  background: var(--off-white);
  border-radius: 8px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 16px;
  flex-direction: column;
}
.product-card h3 { margin-bottom: 8px; }
.product-card p { margin-bottom: 12px; min-height: 50px; }

/* Two column */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.feature-img {
  background: var(--off-white);
  border-radius: 8px;
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-secondary);
  font-size: 15px;
  border: 1px dashed var(--border);
  flex-direction: column;
}
.two-col h2 { font-size: 32px; font-weight: 600; margin-bottom: 20px; }
.two-col p { color: var(--text-secondary); margin-bottom: 18px; }

/* Stats */
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin: 24px 0; }
.stat-number {
  font-family: "Inter", sans-serif;
  font-size: 32px;
  font-weight: 700;
  color: var(--primary);
}
.stat-label { font-size: 14px; color: var(--text-secondary); }

/* Lists */
.check-list { list-style: none; margin-top: 16px; }
.check-list li {
  position: relative;
  padding-left: 30px;
  margin-bottom: 14px;
  color: var(--text-secondary);
  font-size: 16px;
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 18px;
  height: 18px;
  background: var(--primary);
  border-radius: 50%;
}
.check-list li::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 9px;
  width: 5px;
  height: 9px;
  border: solid white;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Feature list */
.feature-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.feature-item h3 { font-size: 18px; margin-bottom: 8px; }
.feature-item p { color: var(--text-secondary); font-size: 15px; }
.feature-item .icon { width: 36px; height: 36px; color: var(--primary); margin-bottom: 12px; }

/* Value grid */
.value-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.value-card { background: var(--white); border: 1px solid var(--border); border-radius: 8px; padding: 28px; }
.value-card h3 { font-size: 18px; margin-bottom: 8px; }
.value-card p { font-size: 15px; color: var(--text-secondary); }

/* Form */
.form-section { background: var(--off-white); }
.form-card {
  background: var(--white);
  border-radius: 8px;
  padding: 40px;
  border: 1px solid var(--border);
}
.form-row { margin-bottom: 20px; }
.form-row label {
  display: block;
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 14px;
  margin-bottom: 6px;
  color: var(--text);
}
.required { color: var(--accent); }
.form-row input,
.form-row select,
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 4px;
  font-family: inherit;
  font-size: 15px;
  color: var(--text);
}
.form-row input:focus,
.form-row select:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--primary);
}
.form-row textarea { min-height: 120px; resize: vertical; }
.form-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
}
.checkbox-row input { width: 18px; height: 18px; margin-top: 2px; }

/* FAQ */
.faq-item {
  border-bottom: 1px solid var(--border);
  padding: 24px 0;
}
.faq-item h3 {
  font-size: 18px;
  margin-bottom: 10px;
  cursor: pointer;
}
.faq-item p { color: var(--text-secondary); font-size: 15px; }

/* Table */
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.spec-table th,
.spec-table td {
  padding: 14px 16px;
  text-align: left;
  border: 1px solid var(--border);
  font-size: 15px;
}
.spec-table th {
  background: var(--off-white);
  color: var(--primary);
  font-family: "Inter", sans-serif;
  font-weight: 600;
}
.spec-table td { color: var(--text-secondary); }

/* CTA section */
.cta-section {
  background: var(--primary);
  color: var(--white);
  text-align: center;
}
.cta-section h2 { color: var(--white); font-size: 36px; margin-bottom: 16px; }
.cta-section p {
  color: rgba(255,255,255,0.85);
  max-width: 600px;
  margin: 0 auto 32px;
  font-size: 17px;
}
.cta-section .btn {
  border-color: var(--white);
  background: var(--white);
  color: var(--primary);
}
.cta-section .btn:hover { background: var(--off-white); }
.cta-trust {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
}

/* Footer */
.footer {
  background: var(--text);
  color: rgba(255,255,255,0.7);
  padding: 64px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
  gap: 40px;
  margin-bottom: 48px;
}
.footer-logo {
  font-family: "Inter", sans-serif;
  font-size: 24px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
}
.footer p { font-size: 14px; margin-bottom: 16px; }
.footer h4 {
  color: var(--white);
  font-size: 16px;
  margin-bottom: 16px;
}
.footer a {
  color: rgba(255,255,255,0.7);
  display: block;
  margin-bottom: 8px;
  font-size: 14px;
}
.footer a:hover { color: var(--white); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.15);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

/* Responsive */
@media (max-width: 1024px) {
  .nav { display: none; }
  .mobile-menu-btn {
    display: block;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--primary);
  }
  .hero .container,
  .two-col,
  .grid-2,
  .grid-3,
  .grid-4,
  .feature-list,
  .value-grid,
  .stats,
  .form-grid-2,
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .hero { min-height: auto; padding: 64px 0; }
  .hero h1 { font-size: 34px; }
  .hero .container { display: flex; flex-direction: column; }
  .hero-image { order: -1; height: 280px; }
  .section { padding: var(--section-pad-mobile) 0; }
  .section-title h2 { font-size: 28px; }
  .page-hero { padding: 80px 0 60px; }
  .page-hero h1 { font-size: 32px; }
  .feature-img { min-height: 280px; }
  .cta-section h2 { font-size: 28px; }
  .feature-list { gap: 24px; }
}

/* Placeholder styling */
.placeholder-note {
  color: #888;
  font-size: 13px;
  font-style: italic;
  background: #f7f7f5;
  padding: 2px 6px;
  border-radius: 3px;
}
.dropdown.active .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}