:root {
  --brand:        #0B5FAF;
  --brand-dark:   #073C70;
  --brand-soft:   #E8F0FB;
  --accent:       #F39C12;
  --accent-soft:  #FFF5E1;
  --ink:          #1A2332;
  --ink-muted:    #5A6878;
  --bg:           #FFFFFF;
  --bg-alt:       #F6F8FB;
  --border:       #E2E8F0;
  --success:      #2A9D55;
  --danger:       #C0392B;
  --radius:       12px;
  --radius-sm:    8px;
  --shadow-sm:    0 1px 2px rgba(15,30,55,.06);
  --shadow-md:    0 6px 24px rgba(15,30,55,.08);
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.55;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

img, svg { max-width: 100%; height: auto; display: block; }

.container { max-width: 1100px; margin: 0 auto; padding: 0 24px; }
.container-narrow { max-width: 760px; margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; margin: 0 0 16px; letter-spacing: -0.02em; }
h1 { font-size: clamp(34px, 5vw, 52px); font-weight: 800; }
h2 { font-size: clamp(26px, 3.6vw, 36px); font-weight: 700; }
h3 { font-size: 20px; font-weight: 700; }
p  { margin: 0 0 16px; color: var(--ink); }
.lead { font-size: 19px; color: var(--ink-muted); line-height: 1.55; }
.muted { color: var(--ink-muted); }

/* ===== Header ===== */
header.site {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--border);
}
header.site .inner {
  display: flex; align-items: center; justify-content: space-between;
  max-width: 1100px; margin: 0 auto; padding: 14px 24px;
}
header.site .logo img { height: 36px; }
header.site nav { display: flex; gap: 6px; align-items: center; }
header.site nav a {
  color: var(--ink); padding: 8px 12px; border-radius: 6px;
  font-size: 15px; font-weight: 500;
}
header.site nav a:hover { background: var(--bg-alt); text-decoration: none; }
header.site nav a.cta {
  background: var(--brand); color: white; padding: 9px 16px; font-weight: 600;
}
header.site nav a.cta:hover { background: var(--brand-dark); }

.menu-toggle { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.menu-toggle svg { width: 26px; height: 26px; stroke: var(--ink); }

@media (max-width: 720px) {
  header.site nav { display: none; }
  header.site nav.open {
    display: flex; flex-direction: column; gap: 4px;
    position: absolute; left: 0; right: 0; top: 100%;
    background: white; padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-md);
  }
  header.site nav.open a { width: 100%; }
  .menu-toggle { display: block; }
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--brand); color: white !important;
  padding: 13px 22px; border-radius: var(--radius-sm);
  font-weight: 600; font-size: 16px; border: 0; cursor: pointer;
  transition: background .15s, transform .15s;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; transform: translateY(-1px); }
.btn.secondary { background: white; color: var(--brand) !important; border: 1.5px solid var(--brand); }
.btn.secondary:hover { background: var(--brand-soft); }
.btn.accent { background: var(--accent); }
.btn.accent:hover { background: #D4860E; }
.btn.lg { padding: 16px 30px; font-size: 17px; }

/* ===== Sections ===== */
section { padding: 72px 0; }
section.tight { padding: 48px 0; }
section.alt { background: var(--bg-alt); }
.center { text-align: center; }
.eyebrow {
  text-transform: uppercase; letter-spacing: 1.5px;
  font-size: 12px; font-weight: 700; color: var(--brand);
  margin-bottom: 12px;
}

/* ===== Hero ===== */
.hero {
  padding: 80px 0 64px;
  background: linear-gradient(180deg, var(--brand-soft) 0%, var(--bg) 100%);
}
.hero-grid {
  display: grid; gap: 48px; align-items: center;
  grid-template-columns: 1.1fr 1fr;
}
.hero h1 { margin-bottom: 20px; }
.hero p.lead { margin-bottom: 28px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
  box-shadow: var(--shadow-md);
}
@media (max-width: 860px) {
  .hero-grid { grid-template-columns: 1fr; }
  .hero { padding: 56px 0 40px; }
}

/* ===== Feature grid ===== */
.feature-grid {
  display: grid; gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  margin-top: 32px;
}
.feature {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px;
}
.feature .icon {
  width: 44px; height: 44px; border-radius: 10px;
  background: var(--brand-soft); display: flex; align-items: center; justify-content: center;
  margin-bottom: 16px;
}
.feature .icon svg { width: 24px; height: 24px; stroke: var(--brand); fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.feature h3 { margin-bottom: 8px; }
.feature p { color: var(--ink-muted); margin: 0; font-size: 15px; }

/* ===== Product card ===== */
.product-grid {
  display: grid; gap: 40px;
  grid-template-columns: 1fr 1fr;
  align-items: start;
}
@media (max-width: 800px) { .product-grid { grid-template-columns: 1fr; } }

.product-photo {
  background: var(--bg-alt); border-radius: var(--radius);
  padding: 60px 24px; text-align: center;
  border: 1px solid var(--border);
}
.product-photo svg { margin: 0 auto; max-width: 280px; }
.product-photo .caption { color: var(--ink-muted); font-size: 14px; margin-top: 16px; }

.price-row { display: flex; align-items: baseline; gap: 12px; margin: 16px 0 8px; }
.price { font-size: 44px; font-weight: 800; color: var(--ink); }
.price small { font-size: 16px; font-weight: 500; color: var(--ink-muted); }
.delivery-note { color: var(--success); font-weight: 600; font-size: 15px; }

.spec-list { list-style: none; padding: 0; margin: 24px 0; }
.spec-list li {
  padding: 12px 0; border-top: 1px solid var(--border);
  display: flex; justify-content: space-between; gap: 16px;
}
.spec-list li:last-child { border-bottom: 1px solid var(--border); }
.spec-list .label { color: var(--ink-muted); font-size: 14px; }
.spec-list .value { font-weight: 600; font-size: 14px; text-align: right; }

.includes {
  background: var(--accent-soft); border-radius: var(--radius-sm);
  padding: 16px 20px; margin: 20px 0;
  border-left: 3px solid var(--accent);
}
.includes strong { display: block; margin-bottom: 6px; }
.includes ul { margin: 0; padding-left: 18px; color: var(--ink); }

/* ===== Forms ===== */
.form-card {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px;
}
.form-row { margin-bottom: 16px; }
.form-row label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--ink); }
.form-row input, .form-row textarea, .form-row select {
  width: 100%; padding: 11px 14px; border: 1.5px solid var(--border);
  border-radius: var(--radius-sm); font-size: 15px; font-family: inherit;
  background: white; color: var(--ink);
}
.form-row input:focus, .form-row textarea:focus, .form-row select:focus {
  outline: none; border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(11,95,175,.15);
}
.form-row textarea { resize: vertical; min-height: 110px; }
.form-grid { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; }
@media (max-width: 600px) { .form-grid { grid-template-columns: 1fr; } }

/* ===== FAQ ===== */
.faq-list { margin: 32px 0; }
.faq-item {
  border-bottom: 1px solid var(--border);
}
.faq-item summary {
  list-style: none; cursor: pointer; padding: 20px 0;
  font-weight: 600; font-size: 17px; color: var(--ink);
  display: flex; justify-content: space-between; align-items: center;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+'; font-size: 24px; font-weight: 400; color: var(--brand);
  transition: transform .2s; line-height: 1;
}
.faq-item[open] summary::after { content: '−'; }
.faq-item .answer { padding: 0 0 20px; color: var(--ink-muted); }
.faq-item .answer p:last-child { margin-bottom: 0; }

/* ===== Steps ===== */
.steps {
  display: grid; gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin: 32px 0;
}
.step {
  background: white; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.step-num {
  display: inline-flex; width: 32px; height: 32px; border-radius: 50%;
  background: var(--brand); color: white; align-items: center; justify-content: center;
  font-weight: 700; margin-bottom: 12px;
}
.step h3 { font-size: 17px; margin-bottom: 8px; }
.step p { margin: 0; font-size: 14px; color: var(--ink-muted); }

/* ===== Callouts ===== */
.callout {
  background: var(--brand-soft); border-radius: var(--radius);
  padding: 24px; margin: 24px 0;
  border-left: 4px solid var(--brand);
}
.callout.warn {
  background: var(--accent-soft); border-left-color: var(--accent);
}
.callout h3 { margin-top: 0; }
.callout p:last-child { margin-bottom: 0; }

/* ===== Tables ===== */
table.spec {
  width: 100%; border-collapse: collapse; margin: 16px 0;
  font-size: 14px;
}
table.spec th, table.spec td {
  text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border);
}
table.spec th { background: var(--bg-alt); font-weight: 600; }

/* ===== Footer ===== */
footer.site {
  background: var(--ink); color: #B5C2D1;
  padding: 48px 0 32px; margin-top: 80px;
}
footer.site .cols {
  display: grid; gap: 32px;
  grid-template-columns: 2fr 1fr 1fr 1fr;
}
@media (max-width: 720px) { footer.site .cols { grid-template-columns: 1fr 1fr; } }
footer.site h4 { color: white; font-size: 14px; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 14px; }
footer.site a { color: #B5C2D1; display: block; padding: 4px 0; font-size: 14px; }
footer.site a:hover { color: white; }
footer.site .legal {
  border-top: 1px solid #2D3E55; padding-top: 24px; margin-top: 32px;
  font-size: 13px; color: #8995A6;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
footer.site .brand img { height: 32px; margin-bottom: 12px; filter: brightness(0) invert(1); }
footer.site .brand p { font-size: 13px; color: #8995A6; max-width: 280px; }

/* ===== Page header (sub-pages) ===== */
.page-header {
  background: var(--brand-soft);
  padding: 56px 0 40px;
  border-bottom: 1px solid var(--border);
}
.page-header h1 { font-size: clamp(28px, 4vw, 40px); margin-bottom: 8px; }
.page-header p.lead { max-width: 700px; margin-bottom: 0; }

/* ===== Utility ===== */
.text-center { text-align: center; }
.mt-0 { margin-top: 0 !important; }
.mb-0 { margin-bottom: 0 !important; }
.divider { height: 1px; background: var(--border); margin: 48px 0; }

.badge {
  display: inline-block; padding: 4px 10px;
  border-radius: 100px; font-size: 12px; font-weight: 600;
  background: var(--brand-soft); color: var(--brand);
}
.badge.warn { background: var(--accent-soft); color: #B7770D; }
.badge.success { background: #E7F6EC; color: var(--success); }

code, kbd {
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  font-size: 13px; background: var(--bg-alt);
  padding: 2px 6px; border-radius: 4px; border: 1px solid var(--border);
}

/* Print: tidy the manual page for Save-as-PDF */
@media print {
  header.site, footer.site, .no-print { display: none !important; }
  body { font-size: 11pt; }
  h1, h2, h3 { page-break-after: avoid; }
  section { padding: 24px 0; }
  .container, .container-narrow { max-width: 100%; padding: 0; }
  a { color: var(--ink); text-decoration: none; }
}
