* {
  box-sizing: border-box;
}

:root {
  --brand-bg: #004AAD;
  --brand-bg-dark: #003580;
  --brand-bg-light: #0058c7;
  --brand-text: #e8f0ff;
  --brand-text-muted: #b8d4f5;
}

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  color: var(--brand-text);
  background: var(--brand-bg);
}

a {
  color: inherit;
  text-decoration: none;
}

p {
  color: var(--brand-text-muted);
  line-height: 1.6;
}

h1, h2, h3, h4 {
  margin: 0 0 0.35em;
  color: #ffffff;
}

.card h1,
.card h2,
.card h3,
.card h4 {
  color: #0f172a;
}

.card .button {
  background: var(--brand-bg);
  color: #fff;
  border-color: var(--brand-bg);
}

.card .button:hover {
  background: var(--brand-bg-dark);
}

.card .button.ghost {
  background: #fff;
  color: var(--brand-bg);
  border: 1px solid #cbd5e1;
}

.card .button.ghost:hover {
  background: #f1f5f9;
}

.card p,
.card .lede,
.card .form-hint {
  color: #334155;
}

.container {
  width: min(1100px, 92%);
  margin: 0 auto;
}

.site-header {
  background: #ffffff;
  border-bottom: 1px solid #e2e8f0;
  position: sticky;
  top: 0;
  z-index: 10;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  gap: 16px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.logo {
  font-weight: 700;
  font-size: 1.1rem;
}

.logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
}

.tagline {
  color: #64748b;
  font-size: 0.9rem;
}

nav {
  display: flex;
  gap: 16px;
  align-items: center;
}

nav a {
  padding: 8px 10px;
  border-radius: 8px;
  color: #0f172a;
}

nav a.active {
  background: rgba(0, 74, 173, 0.1);
  color: var(--brand-bg);
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 16px;
  border-radius: 10px;
  background: #ffffff;
  color: var(--brand-bg);
  font-weight: 600;
  border: 1px solid #ffffff;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.2s ease;
}

.button:hover {
  background: #e8f0ff;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
  transform: translateY(-1px);
}

.button.ghost {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.5);
}

.button.ghost:hover {
  background: rgba(255, 255, 255, 0.1);
}

.button.full {
  width: 100%;
}

.hero {
  padding: 60px 0 40px;
  background: var(--brand-bg);
}

.hero-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
  align-items: center;
}

.eyebrow {
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-text-muted);
  font-size: 0.85rem;
  margin: 0 0 8px;
}

.lede {
  margin: 0 0 16px;
}

.actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin: 12px 0;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 12px;
  margin-top: 18px;
}

.stats strong {
  display: block;
  font-size: 1.2rem;
}

.card {
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 18px 18px 16px;
  box-shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}

.highlight {
  border-color: #cbd5e1;
}

.checklist {
  list-style: none;
  padding: 0;
  margin: 12px 0 16px;
}

.checklist li {
  padding: 6px 0;
  position: relative;
  padding-left: 22px;
}

.checklist li::before {
  content: "•";
  color: #ffffff;
  position: absolute;
  left: 0;
}

.section {
  padding: 60px 0;
}

.accent {
  background: var(--brand-bg-light);
}

.section-header {
  text-align: center;
  margin-bottom: 28px;
}

.grid {
  display: grid;
  gap: 18px;
}

.grid.two {
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid.three {
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}

.center {
  text-align: center;
  margin-top: 12px;
}

.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 18px;
  align-items: center;
}

.form label {
  display: block;
  font-weight: 600;
  margin: 10px 0 6px;
}

.form input,
.form textarea,
.form select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid #cbd5e1;
  background: #fff;
  font-size: 1rem;
}

.form input:focus,
.form textarea:focus,
.form select:focus {
  outline: 2px solid var(--brand-bg);
  border-color: var(--brand-bg);
}

.form textarea {
  resize: vertical;
}

.form-hint {
  margin: 8px 0 0;
  color: #64748b;
  font-size: 0.9rem;
}

.service ul {
  margin: 0;
  padding-left: 16px;
  color: #475569;
}

.bullet li {
  margin: 6px 0;
}

.steps {
  margin: 8px 0 18px;
  color: #334155;
}

.site-footer {
  background: var(--brand-bg-dark);
  color: #e2e8f0;
  padding: 40px 0 20px;
}

.footer-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.site-footer h4 {
  color: #fff;
}

.site-footer a {
  color: #e2e8f0;
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer li {
  margin: 8px 0;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 20px;
  font-size: 0.95rem;
}

.muted {
  color: #cbd5e1;
}

.stacked {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#popup-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 16px;
}

#popup-overlay.open {
  display: flex;
}

.popup {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  padding: 20px 20px 14px;
  width: min(420px, 100%);
  box-shadow: 0 18px 40px rgba(15, 23, 42, 0.18);
  text-align: center;
}

.popup.error {
  border-color: #fca5a5;
}

.popup p {
  margin: 0 0 12px;
  color: #0f172a;
}

.popup .button {
  width: 100%;
  background: var(--brand-bg);
  color: #fff;
  border-color: var(--brand-bg);
}

.popup .button:hover {
  background: var(--brand-bg-dark);
}

.product-image {
  width: 100%;
  max-height: 200px;
  object-fit: contain;
  margin-bottom: 12px;
}

.product-card h3 {
  margin-top: 0;
}

.product-detail .product-specs {
  margin-top: 18px;
}

.faq-list {
  margin: 0;
}

.faq-list dt {
  font-weight: 600;
  margin-top: 14px;
  color: #0f172a;
}

.card .faq-list dt {
  color: #0f172a;
}

.faq-list dd {
  margin: 6px 0 0;
  color: #475569;
}

.landing-hero {
  padding-bottom: 20px;
}

.intro-text {
  font-size: 1.05rem;
}

.price-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin: 16px 0;
}

.price-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: baseline;
  gap: 12px;
  padding: 14px 16px;
  background: #f1f5f9;
  border-radius: 10px;
  border: 1px solid #e2e8f0;
}

.price-size {
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--brand-bg);
}

.price-value {
  font-weight: 600;
  color: #0f172a;
  text-align: right;
}

.price-note {
  font-size: 0.85rem;
  color: #64748b;
}

.shipping-note {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.5;
}

.shipping-note strong {
  color: var(--brand-bg);
}

.benefit-card h3 {
  color: var(--brand-bg);
  margin-bottom: 8px;
}

@media (max-width: 720px) {
  .header-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  nav {
    flex-wrap: wrap;
  }

  .hero {
    padding-top: 40px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: flex-start;
  }
}