/* ==========================================================================
   Kuzzer Limited — Design tokens
   ========================================================================== */
:root {
  --color-bg: #EEF3ED;
  --color-bg-alt: #E2E9E0;
  --color-surface: #FAFBF8;
  --color-ink: #14181f;
  --color-ink-soft: #4A5560;
  --color-navy: #0B0E48;
  --color-navy-soft: #171A5C;
  --color-amber: #4C9F49;
  --color-amber-dark: #3F8A3D;
  --color-teal: #4B8DC0;
  --color-line: #CBD2C8;
  --color-line-dark: #3A3F6B;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;

  --container: 1180px;
  --radius: 3px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.1;
  margin: 0 0 0.5em;
  color: var(--color-navy);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.2vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p { margin: 0 0 1em; color: var(--color-ink-soft); }

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

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-teal);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: '';
  width: 18px;
  height: 1px;
  background: var(--color-teal);
  display: inline-block;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.03em;
  padding: 13px 22px;
  border-radius: var(--radius);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, color 0.15s ease;
}
.btn-primary {
  background: var(--color-navy);
  color: var(--color-surface);
}
.btn-primary:hover { background: var(--color-navy-soft); transform: translateY(-1px); }

.btn-amber {
  background: var(--color-amber);
  color: var(--color-navy);
}
.btn-amber:hover { background: var(--color-amber-dark); transform: translateY(-1px); }

.btn-outline {
  background: transparent;
  border-color: var(--color-line-dark);
  color: var(--color-navy);
}
.btn-outline:hover { border-color: var(--color-navy); background: rgba(20,36,61,0.04); }

.btn-outline.on-dark {
  border-color: rgba(247,248,243,0.35);
  color: var(--color-surface);
}
.btn-outline.on-dark:hover { border-color: var(--color-surface); background: rgba(247,248,243,0.08); }

/* ==========================================================================
   Header / Nav
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(236,239,231,0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
}

.logo {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--color-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-mark { width: 30px; height: 30px; object-fit: contain; display: block; }
.logo .dot { color: var(--color-amber); }
.logo .tag {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  color: var(--color-ink-soft);
  text-transform: uppercase;
  font-weight: 400;
  align-self: center;
  border-left: 1px solid var(--color-line-dark);
  padding-left: 8px;
  margin-left: 4px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  font-size: 0.92rem;
  color: var(--color-ink);
  position: relative;
  padding: 4px 0;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 0%;
  height: 1px;
  background: var(--color-amber);
  transition: width 0.2s ease;
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--color-navy); font-weight: 600; }

.nav-cta { display: flex; align-items: center; gap: 14px; }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.menu-toggle span {
  width: 22px; height: 2px;
  background: var(--color-navy);
}

@media (max-width: 860px) {
  .nav-links {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-surface);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    border-bottom: 1px solid var(--color-line);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.25s ease;
  }
  .nav-links.open { max-height: 420px; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 16px 24px; border-bottom: 1px solid var(--color-line); }
  .nav-cta .btn-outline { display: none; }
  .menu-toggle { display: flex; }
}

/* ==========================================================================
   Hero
   ========================================================================== */
.hero {
  padding: 90px 0 60px;
  position: relative;
  overflow: hidden;
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 48px;
  align-items: center;
}
.hero h1 { margin-bottom: 20px; }
.hero .lede { font-size: 1.1rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 28px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--color-line);
  flex-wrap: wrap;
}
.hero-stat .num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  font-weight: 700;
  color: var(--color-navy);
}
.hero-stat .label {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
}

/* manifest illustration */
.manifest-card {
  background: var(--color-navy);
  border-radius: var(--radius);
  padding: 28px;
  color: var(--color-surface);
}
.manifest-card .m-head {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(247,248,243,0.55);
  border-bottom: 1px dashed rgba(247,248,243,0.2);
  padding-bottom: 14px;
  margin-bottom: 4px;
}
.manifest-row {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(247,248,243,0.1);
}
.manifest-row:last-child { border-bottom: none; }
.manifest-row .icon {
  width: 38px; height: 38px;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(226,146,75,0.15);
  border-radius: 50%;
  color: var(--color-amber);
}
.manifest-row .icon svg { width: 20px; height: 20px; }
.manifest-row .r-code {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.06em;
  color: rgba(247,248,243,0.5);
  display: block;
  margin-bottom: 2px;
}
.manifest-row .r-name { font-family: var(--font-display); font-size: 0.98rem; font-weight: 600; }
.manifest-row .r-status {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  color: var(--color-teal);
  background: rgba(60,110,98,0.25);
  padding: 4px 8px;
  border-radius: 20px;
  white-space: nowrap;
}

/* ==========================================================================
   Sections
   ========================================================================== */
section { padding: 70px 0; }
.section-alt { background: var(--color-bg-alt); }
.section-navy { background: var(--color-navy); color: var(--color-surface); }
.section-navy h2, .section-navy h3 { color: var(--color-surface); }
.section-navy p { color: rgba(247,248,243,0.7); }

.section-head {
  max-width: 640px;
  margin-bottom: 44px;
}

/* category grid */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1px;
  background: var(--color-line);
  border: 1px solid var(--color-line);
}
.cat-card {
  background: var(--color-surface);
  padding: 32px 28px;
  transition: background 0.15s ease;
}
.cat-card:hover { background: #fff; }
.cat-card .code {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.08em;
  color: var(--color-teal);
  display: block;
  margin-bottom: 18px;
}
.cat-card .icon-wrap {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-navy);
  margin-bottom: 18px;
}
.cat-card .icon-wrap svg { width: 22px; height: 22px; }
.cat-card h3 { margin-bottom: 8px; }
.cat-card p { font-size: 0.92rem; margin-bottom: 18px; }
.cat-card .link {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--color-navy);
  border-bottom: 1px solid var(--color-amber);
  padding-bottom: 2px;
}

/* why us */
.feature-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 36px;
}
.feature-list .num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-amber);
  display: block;
  margin-bottom: 10px;
}

/* brand strip */
.brand-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.brand-chip {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  padding: 10px 16px;
  border: 1px solid var(--color-line-dark);
  border-radius: 20px;
  color: var(--color-navy);
}
.section-navy .brand-chip { border-color: rgba(247,248,243,0.25); color: var(--color-surface); }

/* CTA band */
.cta-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
}

/* route divider */
.route-divider {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--color-line-dark);
  margin: 0 0 40px;
}
.route-divider::before, .route-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--color-line);
}
.route-divider span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
}

/* Product detail page */
.product-hero {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 48px;
  align-items: center;
}
.spec-table { width: 100%; border-collapse: collapse; margin-top: 10px; }
.spec-table tr { border-bottom: 1px solid var(--color-line); }
.spec-table td { padding: 12px 0; font-size: 0.92rem; }
.spec-table td:first-child {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-ink-soft);
  width: 40%;
}
.icon-plate {
  background: var(--color-bg-alt);
  border-radius: var(--radius);
  padding: 40px;
  display: flex; align-items: center; justify-content: center;
}
.icon-plate svg { width: 60%; height: 60%; color: var(--color-navy); }

.product-list-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
}
.product-mini {
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  padding: 22px;
  background: var(--color-surface);
}
.product-mini .code { font-family: var(--font-mono); font-size: 0.65rem; color: var(--color-teal); }
.product-mini h4 { font-family: var(--font-display); font-size: 1rem; margin: 8px 0 6px; color: var(--color-navy); }
.product-mini p { font-size: 0.85rem; margin: 0; }

/* Form */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
  color: var(--color-ink-soft);
}
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--color-line-dark);
  border-radius: var(--radius);
  background: var(--color-surface);
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--color-ink);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-amber);
  outline-offset: 1px;
}
textarea { resize: vertical; min-height: 110px; }

@media (max-width: 760px) {
  .form-grid { grid-template-columns: 1fr; }
  .hero-grid, .product-hero { grid-template-columns: 1fr; }
  .cta-band { flex-direction: column; align-items: flex-start; }
  .cta-band .btn { width: 100%; justify-content: center; }
  .container[style*="grid-template-columns"] { grid-template-columns: 1fr !important; gap: 32px !important; }
  .page-head { padding: 40px 0 28px; }
  section { padding: 48px 0; }
  .hero { padding: 50px 0 40px; }
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 8px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .hero-actions { flex-direction: column; }
  .whatsapp-float { width: 48px; height: 48px; bottom: 16px; right: 16px; }
  .whatsapp-float svg { width: 22px; height: 22px; }
}

/* Contact info blocks */
.info-block { display: flex; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--color-line); }
.info-block .icon-wrap {
  width: 40px; height: 40px; border-radius: 50%;
  background: var(--color-bg-alt);
  display: flex; align-items: center; justify-content: center;
  color: var(--color-navy); flex-shrink: 0;
}
.info-block .icon-wrap svg { width: 18px; height: 18px; }
.info-block h4 { margin: 0 0 4px; font-family: var(--font-display); font-size: 0.98rem; color: var(--color-navy); }
.info-block p { margin: 0; font-size: 0.9rem; }

/* Footer */
.site-footer {
  background: var(--color-navy);
  color: rgba(247,248,243,0.75);
  padding: 56px 0 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 36px;
  border-bottom: 1px dashed rgba(247,248,243,0.2);
}
.site-footer h4 {
  color: var(--color-surface);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { font-size: 0.9rem; color: rgba(247,248,243,0.75); }
.site-footer a:hover { color: var(--color-amber); }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(247,248,243,0.45);
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

/* WhatsApp float button */
.whatsapp-float {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 200;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 18px rgba(0,0,0,0.22);
  transition: transform 0.15s ease;
}
.whatsapp-float:hover { transform: scale(1.06); }
.whatsapp-float svg { width: 28px; height: 28px; fill: #fff; }

/* Page header for inner pages */
.page-head {
  padding: 60px 0 40px;
  border-bottom: 1px solid var(--color-line);
}
.breadcrumb {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--color-ink-soft);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--color-teal); }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}

/* Focus visibility */
a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible {
  outline: 2px solid var(--color-amber);
  outline-offset: 2px;
}