:root {
  --primary: #1268b0;
  --primary-dark: #0a365d;
  --accent: #fab615;
  --ink: #172438;
  --muted: #5d6c7e;
  --soft: #f5f8fb;
  --line: #dbe5ee;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(18, 104, 176, 0.12);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.6;
}
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.15; margin: 0 0 0.75rem; color: var(--primary-dark); }
h1 { font-size: clamp(2rem, 4vw, 4.5rem); }
h2 { font-size: 1.65rem; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1rem; }
table { width: 100%; border-collapse: collapse; background: var(--white); }
th, td { padding: 0.9rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: var(--primary-dark); background: var(--soft); }

.container { width: min(1160px, calc(100% - 2rem)); margin: 0 auto; }
.skip-link { position: absolute; left: -999px; top: 0; background: var(--accent); color: var(--ink); padding: 0.5rem; z-index: 10; }
.skip-link:focus { left: 1rem; }
.demo-bar { background: var(--primary-dark); color: var(--white); text-align: center; padding: 0.55rem; font-weight: 700; font-size: 0.92rem; }
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(255,255,255,0.96); border-bottom: 1px solid var(--line); backdrop-filter: blur(10px); }
.nav { min-height: 82px; display: flex; align-items: center; gap: 1rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; color: var(--primary-dark); }
.brand:hover { text-decoration: none; }
.brand small { display: block; color: var(--muted); font-size: 0.78rem; }
.brand-mark { display: grid; place-items: center; width: 44px; height: 44px; border-radius: 8px; background: var(--primary); color: var(--accent); font-weight: 800; }
.nav-menu { display: flex; gap: 0.8rem; flex: 1; justify-content: center; font-size: 0.95rem; }
.nav-menu a { color: var(--ink); font-weight: 700; }
.nav-actions, .button-row { display: flex; gap: 0.65rem; align-items: center; flex-wrap: wrap; }
.nav-toggle { display: none; border: 1px solid var(--line); background: var(--white); padding: 0.65rem 0.8rem; border-radius: 8px; }

.btn, button.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 42px;
  padding: 0.72rem 1rem; border-radius: 8px; border: 1px solid transparent;
  font-weight: 800; cursor: pointer; text-decoration: none;
}
.btn-primary { background: var(--primary); color: var(--white); }
.btn-accent { background: var(--accent); color: #201704; }
.btn-light { background: var(--soft); color: var(--primary-dark); border-color: var(--line); }
.btn-outline { background: var(--white); color: var(--primary); border-color: var(--primary); }
.link-button { border: 0; background: transparent; color: var(--primary); cursor: pointer; font-weight: 700; }

.hero { background: linear-gradient(130deg, #eef7fb, #ffffff 58%, #fff5d4); padding: 5.5rem 0 4rem; }
.hero-grid, .split { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.95fr); gap: 2rem; align-items: center; }
.hero-copy, .lead { font-size: 1.2rem; color: var(--muted); max-width: 680px; }
.hero-panel, .highlight-box, .form-card, .success-panel {
  background: var(--white); border: 1px solid var(--line); border-radius: 8px; box-shadow: var(--shadow); padding: 1.5rem;
}
.pulse-card { background: var(--primary); color: var(--white); border-radius: 8px; padding: 1.4rem; margin-bottom: 1rem; }
.pulse-card span { display: block; color: var(--accent); font-size: 3rem; font-weight: 900; line-height: 1; }
.mini-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0.75rem; }
.mini-grid strong { background: var(--soft); padding: 1rem; border-radius: 8px; }

.page-hero { background: var(--soft); padding: 4rem 0; border-bottom: 1px solid var(--line); }
.page-hero p { max-width: 780px; color: var(--muted); }
.section { padding: 4rem 0; }
.band { background: var(--soft); }
.section-heading { max-width: 760px; margin-bottom: 1.5rem; }
.eyebrow { color: var(--primary); text-transform: uppercase; letter-spacing: 0; font-size: 0.78rem; font-weight: 900; margin-bottom: 0.45rem; }
.small, .help { color: var(--muted); font-size: 0.9rem; }
.notice { border-left: 4px solid var(--accent); background: #fff8df; padding: 0.9rem; border-radius: 6px; color: #55400a; }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.stats-grid div, .card, .product-card, .list-card, .gallery-card {
  border: 1px solid var(--line); border-radius: 8px; padding: 1.25rem; background: var(--white); box-shadow: 0 8px 24px rgba(10, 54, 93, 0.06);
}
.stats-grid strong { display: block; font-size: 2rem; color: var(--primary); }
.stats-grid span { color: var(--muted); font-weight: 700; }
.card-grid { display: grid; gap: 1rem; }
.card-grid.three { grid-template-columns: repeat(3, 1fr); }
.card-grid.four { grid-template-columns: repeat(4, 1fr); }
.product-icon, .product-detail-art, .gallery-card > div {
  display: grid; place-items: center; width: 64px; height: 64px; border-radius: 8px; background: #eaf4fc; color: var(--primary); font-weight: 900; margin-bottom: 1rem;
}
.product-detail-art { width: 100%; min-height: 320px; font-size: 4rem; background: linear-gradient(145deg, #e9f4fb, #fff4cf); }
.status { display: inline-flex; padding: 0.25rem 0.55rem; border-radius: 999px; background: #eaf7ef; color: #17613a; font-size: 0.82rem; font-weight: 800; margin: 0.4rem 0 1rem; }
.feature-list { color: var(--muted); font-size: 1.05rem; }
.cta-band { background: var(--primary); color: var(--white); padding: 3rem 0; }
.cta-band .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.cta-band h2 { color: var(--white); margin: 0; }

.filter-bar { display: grid; grid-template-columns: 1fr 260px auto; gap: 0.8rem; margin-bottom: 1.5rem; }
.form-control {
  width: 100%; min-height: 44px; border: 1px solid var(--line); border-radius: 8px; padding: 0.75rem; font: inherit; background: var(--white);
}
.form-field { margin-bottom: 1rem; }
.form-field label { display: block; font-weight: 800; margin-bottom: 0.35rem; color: var(--primary-dark); }
.checkbox-field { display: grid; grid-template-columns: auto 1fr; gap: 0.6rem; align-items: start; }
.checkbox-field label { grid-column: 2; margin: 0; }
.checkbox-input { grid-column: 1; grid-row: 1; margin-top: 0.25rem; }
.error, .form-errors { color: #a31515; font-weight: 700; }
.messages { padding-top: 1rem; }
.message { border-radius: 8px; padding: 0.8rem 1rem; background: #eaf4fc; border: 1px solid var(--line); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 8px; }
.qty-input { width: 70px; min-height: 38px; border: 1px solid var(--line); border-radius: 6px; padding: 0.45rem; }
.cart-total { display: flex; justify-content: flex-end; gap: 1rem; align-items: center; margin-top: 1rem; }
.success-panel { text-align: center; margin-top: 4rem; margin-bottom: 4rem; }
.success-panel h2 { color: var(--primary); font-size: 2rem; }
.timeline { list-style: none; padding: 0; margin: 1rem 0 0; }
.timeline li { padding: 0.8rem; border-left: 4px solid var(--line); background: var(--soft); margin-bottom: 0.5rem; border-radius: 6px; }
.timeline .active { border-color: var(--accent); background: #fff8df; font-weight: 800; }
.gallery-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.article { max-width: 820px; }

.site-footer { background: #081f35; color: #dce8f3; padding: 3rem 0; }
.site-footer h2, .site-footer h3 { color: var(--white); }
.site-footer a { display: block; color: #ffffff; margin-bottom: 0.5rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 2rem; }

@media (max-width: 980px) {
  .nav { flex-wrap: wrap; padding: 0.75rem 0; }
  .nav-toggle { display: inline-flex; margin-left: auto; }
  .nav-menu { display: none; flex-basis: 100%; flex-direction: column; align-items: stretch; order: 3; }
  .nav-menu.open { display: flex; }
  .nav-actions { order: 4; flex-basis: 100%; }
  .hero-grid, .split { grid-template-columns: 1fr; }
  .card-grid.four, .card-grid.three, .gallery-grid, .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .filter-bar { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .hero { padding: 3rem 0; }
  .section, .page-hero { padding: 2.5rem 0; }
  .card-grid.four, .card-grid.three, .gallery-grid, .stats-grid, .mini-grid, .footer-grid { grid-template-columns: 1fr; }
  .cta-band .container, .cart-total { flex-direction: column; align-items: flex-start; }
  .nav-actions .btn { width: 100%; }
}