:root {
  --sky-900: #0b2545;
  --sky-800: #13315c;
  --sky-700: #134074;
  --sky-600: #1d5aa8;
  --sky-500: #2a72d4;
  --sky-400: #4f97e8;
  --accent: #f4a259;
  --accent-dark: #e07a2f;
  --ink: #10202f;
  --muted: #5a6b7b;
  --line: #dfe6ee;
  --bg: #f5f8fc;
  --card: #ffffff;
  --white: #ffffff;
  --shadow-sm: 0 1px 3px rgba(11, 37, 69, 0.08);
  --shadow-md: 0 6px 24px rgba(11, 37, 69, 0.10);
  --shadow-lg: 0 20px 48px rgba(11, 37, 69, 0.16);
  --radius: 14px;
  --radius-sm: 9px;
  --maxw: 1180px;
  --font: "Inter", "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: var(--sky-600); text-decoration: none; }
a:hover { text-decoration: underline; }

h1, h2, h3 { line-height: 1.2; color: var(--sky-900); margin: 0 0 0.5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 4vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 700; }
p { margin: 0 0 1rem; }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

.section { padding: 72px 0; }
.section-tight { padding: 48px 0; }
.section-muted { background: var(--white); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }

.eyebrow {
  display: inline-block;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--sky-600);
  margin-bottom: 12px;
}
.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }
.center { text-align: center; }
.center .lead { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 24px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.98rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn-primary { background: var(--accent); color: #3a2410; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow-md); }
.btn-secondary { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.6); }
.btn-secondary:hover { background: rgba(255,255,255,0.12); }
.btn-outline { background: #fff; color: var(--sky-700); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-outline:hover { border-color: var(--sky-500); color: var(--sky-600); }

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: saturate(180%) blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; color: var(--sky-900); font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.brand .logo { width: 34px; height: 34px; }
.brand small { display: block; font-size: 0.68rem; font-weight: 600; color: var(--muted); letter-spacing: 0.02em; }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; margin: 0; padding: 0; }
.nav-links a {
  padding: 9px 14px;
  border-radius: 8px;
  color: var(--ink);
  font-weight: 600;
  font-size: 0.95rem;
}
.nav-links a:hover { background: var(--bg); text-decoration: none; }
.nav-links a.active { color: var(--sky-600); }
.nav-links a.nav-cta { background: var(--sky-600); color: #fff; }
.nav-links a.nav-cta:hover { background: var(--sky-700); }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: var(--sky-900); margin: 5px 0; border-radius: 2px; }

/* Hero */
.hero {
  position: relative;
  color: #fff;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(79,151,232,0.55), transparent 60%),
    linear-gradient(135deg, var(--sky-900) 0%, var(--sky-700) 60%, var(--sky-600) 100%);
  overflow: hidden;
}
.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 -1px 0;
  height: 90px;
  background: linear-gradient(180deg, transparent, rgba(245,248,252,0.0)), var(--bg);
  clip-path: polygon(0 60%, 100% 0, 100% 100%, 0% 100%);
}
.hero-inner { position: relative; z-index: 2; padding: 92px 0 120px; max-width: 720px; }
.hero h1 { color: #fff; }
.hero p { color: rgba(255,255,255,0.88); font-size: 1.18rem; }
.hero .btn-row { margin-top: 28px; display: flex; gap: 14px; flex-wrap: wrap; }
.hero-badges { display: flex; gap: 22px; flex-wrap: wrap; margin-top: 36px; }
.hero-badge { display: flex; align-items: center; gap: 9px; font-size: 0.92rem; color: rgba(255,255,255,0.9); font-weight: 600; }
.hero-badge svg { flex: none; }

/* Stat strip */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.stat { text-align: center; }
.stat .num { font-size: 2.1rem; font-weight: 800; color: var(--sky-700); }
.stat .label { color: var(--muted); font-weight: 600; font-size: 0.92rem; }

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

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card .icon {
  width: 48px; height: 48px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 16px;
  background: linear-gradient(135deg, var(--sky-500), var(--sky-700)); color: #fff;
}
.card h3 { margin-bottom: 6px; }
.card p { color: var(--muted); margin: 0; }

/* Category pills / highlights */
.cat-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.cat-tile {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: transform 0.16s ease, border-color 0.16s ease, box-shadow 0.16s ease;
}
.cat-tile:hover { transform: translateY(-3px); border-color: var(--sky-400); box-shadow: var(--shadow-md); text-decoration: none; }
.cat-tile .cat-icon { display: flex; justify-content: center; align-items: center; height: 40px; color: var(--sky-600); }
.cat-tile .cat-icon svg { width: 30px; height: 30px; }
.cat-tile:hover .cat-icon { color: var(--accent-dark); }
.cat-tile .cat-name { font-weight: 700; color: var(--sky-900); font-size: 0.95rem; margin-top: 8px; }
.cat-tile .cat-count { color: var(--muted); font-size: 0.82rem; }

/* Two column feature */
.split { display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 48px; align-items: center; }
.checklist { list-style: none; margin: 0; padding: 0; }
.checklist li { position: relative; padding-left: 34px; margin-bottom: 14px; color: var(--ink); }
.checklist li::before {
  content: "";
  position: absolute; left: 0; top: 3px;
  width: 22px; height: 22px; border-radius: 50%;
  background: var(--sky-600) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E") center/14px no-repeat;
}
.checklist li strong { display: block; }
.media-card {
  background: linear-gradient(135deg, var(--sky-800), var(--sky-600));
  border-radius: var(--radius);
  padding: 40px;
  color: #fff;
  box-shadow: var(--shadow-lg);
}
.media-card h3 { color: #fff; }
.media-card .big { font-size: 2.6rem; font-weight: 800; }

/* Steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
.step { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px 22px; box-shadow: var(--shadow-sm); position: relative; }
.step .step-num {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--accent); color: #3a2410; font-weight: 800;
  display: grid; place-items: center; margin-bottom: 14px;
}
.step h3 { margin-bottom: 6px; }
.step p { color: var(--muted); margin: 0; }

/* Catalog controls */
.category-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.category-bar-label {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-right: 4px;
}
.category-buttons { display: flex; flex-wrap: wrap; gap: 10px; }
.cat-btn {
  font: inherit;
  font-weight: 600;
  color: var(--sky-700);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 9px 16px;
  cursor: pointer;
  box-shadow: var(--shadow-sm);
  transition: background 0.14s ease, color 0.14s ease, border-color 0.14s ease, transform 0.14s ease;
}
.cat-btn:hover { border-color: var(--sky-500); color: var(--sky-600); transform: translateY(-1px); }
.cat-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px rgba(42,114,212,0.25); }
.cat-btn.is-active {
  background: var(--sky-600);
  border-color: var(--sky-600);
  color: #fff;
  box-shadow: var(--shadow-md);
}

.catalog-toolbar {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 14px;
  align-items: end;
  margin-bottom: 8px;
}
.field label { display: block; font-size: 0.8rem; font-weight: 700; color: var(--muted); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.06em; }
.field input, .field select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--ink);
  background: #fff;
}
.field input:focus, .field select:focus { outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(42,114,212,0.15); }
.catalog-meta { display: flex; justify-content: space-between; align-items: center; margin: 20px 0 18px; flex-wrap: wrap; gap: 10px; }
.result-count { color: var(--muted); font-weight: 600; }
.link-btn { background: none; border: 0; color: var(--sky-600); font: inherit; font-weight: 700; cursor: pointer; padding: 0; }
.link-btn:hover { text-decoration: underline; }

/* Product cards */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(272px, 1fr)); gap: 22px; }
.product {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 22px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform 0.16s ease, box-shadow 0.16s ease;
}
.product:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.product .product-media {
  margin: -22px -22px 16px;
  border-radius: var(--radius) var(--radius) 0 0;
  background: #f4f7fb;
  border-bottom: 1px solid var(--line);
  aspect-ratio: 4 / 3;
  display: grid;
  place-items: center;
  overflow: hidden;
}
.product .product-media img {
  width: 100%; height: 100%;
  object-fit: contain;
  padding: 16px;
}
.product .product-media-empty { color: var(--sky-400); }
.product .product-top {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; margin-bottom: 12px;
}
.product .tag {
  align-self: flex-start;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--sky-700);
  background: #eaf2fd;
  padding: 4px 10px;
  border-radius: 999px;
}
.product .sku {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-family: ui-monospace, "SFMono-Regular", "Menlo", "Consolas", monospace;
  white-space: nowrap;
}
.product h3 { font-size: 1.08rem; margin-bottom: 8px; }
.product .specs { color: var(--muted); font-size: 0.9rem; flex: 1; margin-bottom: 16px; }
.product .product-foot {
  display: flex; align-items: flex-end; justify-content: space-between;
  border-top: 1px solid var(--line); padding-top: 14px; gap: 10px;
}
.product .price { font-size: 1.45rem; font-weight: 800; color: var(--sky-900); }
.product .price span { font-size: 0.72rem; font-weight: 600; color: var(--muted); display: block; }
.product .stock { text-align: right; font-size: 0.82rem; color: var(--muted); }
.product .stock strong { display: block; color: var(--ink); font-size: 0.95rem; }
.no-results { text-align: center; padding: 60px 20px; color: var(--muted); }
.no-results h3 { color: var(--sky-900); }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.form-full { grid-column: 1 / -1; }
.form-group label { display: block; font-weight: 700; font-size: 0.9rem; margin-bottom: 6px; color: var(--sky-900); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  font: inherit;
  background: #fff;
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none; border-color: var(--sky-500); box-shadow: 0 0 0 3px rgba(42,114,212,0.15);
}
.form-note { font-size: 0.85rem; color: var(--muted); }

/* Contact info blocks */
.contact-layout { display: grid; grid-template-columns: 1fr 1.2fr; gap: 40px; align-items: start; }
.info-list { list-style: none; margin: 0; padding: 0; }
.info-item { display: flex; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--line); }
.info-item:last-child { border-bottom: 0; }
.info-item .info-icon {
  width: 42px; height: 42px; border-radius: 10px; flex: none;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--sky-500), var(--sky-700));
}
.info-item .info-label { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 700; }
.info-item .info-value { font-weight: 600; color: var(--sky-900); }

/* Email call-to-action */
.email-cta { text-align: center; padding: 44px 36px; }
.email-cta h2 { margin: 6px 0 10px; }
.email-cta p { color: var(--muted); max-width: 46ch; margin: 0 auto; }
.email-cta-icon {
  width: 68px; height: 68px; border-radius: 16px; margin: 0 auto 8px;
  display: grid; place-items: center; color: #fff;
  background: linear-gradient(135deg, var(--sky-500), var(--sky-700));
  box-shadow: var(--shadow-md);
}
.email-cta-actions {
  display: flex; flex-wrap: wrap; justify-content: center; align-items: center;
  gap: 12px; margin: 26px 0 4px;
}
.btn-email {
  background: var(--accent); color: #3a2410; box-shadow: var(--shadow-md);
  font-size: 1.1rem; padding: 17px 32px;
}
.btn-email:hover { background: var(--accent-dark); color: #fff; box-shadow: var(--shadow-lg); }
.btn-copy { background: #fff; color: var(--sky-700); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn-copy:hover { border-color: var(--sky-500); color: var(--sky-600); }
.btn-copy.copied { border-color: var(--sky-500); color: var(--sky-600); background: var(--sky-50, #eef5fe); }

/* CTA banner */
.cta-banner {
  background: linear-gradient(135deg, var(--sky-800), var(--sky-600));
  color: #fff;
  border-radius: var(--radius);
  padding: 52px;
  text-align: center;
  box-shadow: var(--shadow-lg);
}
.cta-banner h2 { color: #fff; }
.cta-banner p { color: rgba(255,255,255,0.9); max-width: 55ch; margin: 0 auto 24px; }

/* Page header (interior pages) */
.page-head {
  background:
    radial-gradient(900px 400px at 85% -20%, rgba(79,151,232,0.45), transparent 60%),
    linear-gradient(135deg, var(--sky-900), var(--sky-700));
  color: #fff;
  padding: 64px 0 56px;
}
.page-head h1 { color: #fff; }
.page-head p { color: rgba(255,255,255,0.88); max-width: 62ch; font-size: 1.1rem; margin: 0; }

/* Footer */
.site-footer { background: var(--sky-900); color: rgba(255,255,255,0.78); padding: 56px 0 28px; }
.footer-grid { display: grid; grid-template-columns: 1.7fr 1fr 1fr 1.2fr; gap: 40px; }
.site-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 14px; }
.site-footer .brand { color: #fff; margin-bottom: 12px; }
.site-footer .brand small { color: rgba(255,255,255,0.6); }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 9px; }
.footer-links a { color: rgba(255,255,255,0.78); }
.footer-links a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.14); margin-top: 40px; padding-top: 20px; font-size: 0.86rem; color: rgba(255,255,255,0.6); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* Legal / policy pages */
.legal-page { padding: 60px 0 84px; }
.legal-page .container { max-width: 900px; }
.legal-layout { display: grid; grid-template-columns: 220px 1fr; gap: 48px; align-items: start; }
.legal-toc {
  position: sticky; top: 88px;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow-sm);
}
.legal-toc h4 { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--muted); margin: 0 0 12px; }
.legal-toc ul { list-style: none; margin: 0; padding: 0; }
.legal-toc li { margin-bottom: 8px; }
.legal-toc a { font-size: 0.9rem; font-weight: 600; color: var(--sky-700); }
.legal-block { margin-bottom: 40px; scroll-margin-top: 88px; }
.legal-block:last-child { margin-bottom: 0; }
.legal-block h2 { font-size: 1.5rem; margin-bottom: 12px; }
.legal-block h3 { color: var(--sky-800); margin: 24px 0 8px; }
.legal-block p, .legal-block li { color: var(--ink); }
.legal-block ul, .legal-block ol { padding-left: 22px; margin: 0 0 1rem; }
.legal-block li { margin-bottom: 8px; }
.legal-block .updated { color: var(--muted); font-size: 0.9rem; margin-bottom: 28px; }
.legal-block dl { margin: 0; }
.legal-block dt { font-weight: 700; color: var(--sky-900); margin-top: 16px; }
.legal-block dd { margin: 4px 0 0; color: var(--ink); }
.notice {
  background: #fff8f0; border: 1px solid #f4d3ab;
  border-radius: var(--radius-sm); padding: 16px 18px; margin: 0 0 24px;
  font-size: 0.92rem; color: #6b4a24;
}
.notice strong { color: #8a5a1f; }
.info-table { width: 100%; border-collapse: collapse; margin: 0 0 8px; }
.info-table th, .info-table td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--line); vertical-align: top; font-size: 0.95rem; }
.info-table th { width: 34%; color: var(--muted); font-weight: 700; }

/* Responsive */
@media (max-width: 960px) {
  .split { grid-template-columns: 1fr; gap: 30px; }
  .contact-layout { grid-template-columns: 1fr; }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .catalog-toolbar { grid-template-columns: 1fr 1fr; }
  .legal-layout { grid-template-columns: 1fr; gap: 28px; }
  .legal-toc { position: static; }
}
@media (max-width: 720px) {
  .nav-links {
    position: absolute;
    top: 68px; left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--line);
    padding: 10px 16px 16px;
    gap: 4px;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 14px; }
  .nav-toggle { display: block; }
  .grid-2, .grid-3, .grid-4, .cat-grid, .form-grid { grid-template-columns: 1fr; }
  .catalog-toolbar { grid-template-columns: 1fr; }
  .cta-banner { padding: 36px 24px; }
  .section { padding: 52px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
}