/* ===== Design tokens ===== */
:root {
  --color-primary: #17443b;
  --color-secondary: #3f5d57;
  --color-accent: #ea580c;
  --color-accent-dark: #c2410c;
  --color-background: #f6faf9;
  --color-surface: #ffffff;
  --color-foreground: #17443b;
  --color-muted: #eef4f2;
  --color-muted-foreground: #5b6f6a;
  --color-border: #dce6e3;

  --font-heading: 'Lexend', sans-serif;
  --font-body: 'Manrope', sans-serif;

  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 48px;
  --space-6: 64px;
  --space-7: 96px;

  --container-width: 1200px;
  --radius: 6px;
  --radius-lg: 16px;
}

/* ===== Reset ===== */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-foreground);
  background: var(--color-background);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

h1, h2, h3, h4 {
  font-family: var(--font-heading);
  line-height: 1.15;
  color: var(--color-primary);
  letter-spacing: -0.01em;
}
h1 { font-size: clamp(2.25rem, 4vw, 3.5rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3vw, 2.5rem); font-weight: 700; }
h3 { font-size: 1.375rem; font-weight: 600; letter-spacing: -0.005em; }
h4 { font-weight: 600; letter-spacing: 0; }
p { color: var(--color-secondary); }

.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 var(--space-3);
}

/* ===== 12-col grid ===== */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--space-3);
}
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 14px 28px;
  border-radius: var(--radius);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background-color 200ms ease, color 200ms ease, border-color 200ms ease;
}
.btn-primary {
  background: var(--color-accent);
  color: #ffffff;
}
.btn-primary:hover { background: var(--color-accent-dark); }
.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-primary);
}
.btn-outline:hover { border-color: var(--color-primary); }
.btn-on-dark.btn-outline {
  border-color: rgba(255,255,255,0.4);
  color: #ffffff;
}
.btn-on-dark.btn-outline:hover { border-color: #ffffff; }

/* ===== Header / Nav ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}
.nav-wrapper {
  display: flex;
  align-items: center;
  padding: 16px var(--space-3);
  max-width: var(--container-width);
  margin: 0 auto;
}
.logo { display: flex; align-items: center; gap: 10px; margin-right: var(--space-6); }
.logo img { height: 48px; width: auto; }
.logo-text {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary);
  line-height: 1.1;
}
.logo-text span { display: block; font-size: 0.65em; color: var(--color-accent); letter-spacing: 0.08em; }
.footer-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.3rem;
  letter-spacing: 0.01em;
  color: #ffffff;
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-logo span { color: var(--color-accent); }
.footer-logo-img { height: 44px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-4);
}
.nav-item { position: relative; display: flex; align-items: center; }
.nav-links a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--color-secondary);
  white-space: nowrap;
}
.nav-links a:hover, .nav-links a.active { color: var(--color-accent); }
.nav-item-label {
  display: flex;
  align-items: center;
  gap: 5px;
  cursor: default;
}
.nav-caret {
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg);
  margin-top: -3px;
  opacity: 0.7;
}
.dropdown-menu {
  position: absolute;
  top: 100%;
  left: -14px;
  min-width: 250px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 8px;
  margin-top: 12px;
  box-shadow: 0 12px 28px rgba(23,68,59,0.12);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 150ms ease, transform 150ms ease, visibility 150ms;
  z-index: 200;
}
.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown-menu a {
  display: block;
  padding: 10px 12px;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 500;
}
.dropdown-menu a:hover { background: var(--color-muted); color: var(--color-accent); }
.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  margin: 5px 0;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  color: #ffffff;
  padding: var(--space-7) 0;
  background-size: cover;
  background-position: center;
  min-height: 480px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(23,68,59,0.68) 0%, rgba(23,68,59,0.42) 55%, rgba(23,68,59,0.22) 100%);
}
.hero .container { position: relative; z-index: 1; }
.hero-eyebrow {
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: var(--space-2);
  text-shadow: 0 2px 10px rgba(0,0,0,0.45);
}
.hero h1 { color: #ffffff; max-width: 760px; text-shadow: 0 2px 16px rgba(0,0,0,0.4); }
.hero p.lead {
  color: rgba(255,255,255,0.92);
  font-size: 1.15rem;
  max-width: 620px;
  margin-top: var(--space-2);
  text-shadow: 0 1px 10px rgba(0,0,0,0.4);
}
.hero-actions { display: flex; gap: var(--space-2); margin-top: var(--space-4); flex-wrap: wrap; }

.hero-plain {
  background: var(--color-primary);
  min-height: 320px;
}

/* ===== Sections ===== */
section { padding: var(--space-6) 0; }
.section-muted { background: var(--color-muted); }
.section-dark { background: var(--color-primary); color: #ffffff; }
.section-dark h2, .section-dark h3 { color: #ffffff; }
.section-dark p { color: rgba(255,255,255,0.75); }
.section-header { max-width: 680px; margin-bottom: var(--space-5); }
.eyebrow {
  display: block;
  font-family: var(--font-heading);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.8rem;
  color: var(--color-accent);
  font-weight: 700;
  margin-bottom: var(--space-1);
}

/* ===== Cards ===== */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow 200ms ease, transform 200ms ease;
}
.card:hover { box-shadow: 0 8px 24px rgba(15,23,42,0.08); transform: translateY(-2px); }
.card img { width: 100%; height: 200px; object-fit: cover; }
.card-body { padding: var(--space-3); display: flex; flex-direction: column; gap: 10px; flex: 1; }
.card-body h3 { font-size: 1.15rem; }
.card-body p { font-size: 0.95rem; }
.card-link {
  margin-top: auto;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-accent);
}
.card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius);
  background: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
  margin-bottom: 4px;
}

/* ===== Detail page layout ===== */
.detail-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-5);
  align-items: start;
}
.detail-grid > * { min-width: 0; }
.spec-list { display: flex; flex-direction: column; gap: var(--space-2); }
.spec-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding-bottom: var(--space-2);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-secondary);
}
.spec-list li:last-child { border-bottom: none; }
.spec-list .dot {
  flex-shrink: 0;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-accent);
  margin-top: 8px;
}
.sidebar-card {
  background: var(--color-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  position: sticky;
  top: 96px;
}
.sidebar-card h3 { margin-bottom: var(--space-2); }
.sidebar-card p { margin-bottom: var(--space-3); font-size: 0.95rem; }
.related-nav {
  margin-top: var(--space-4);
  padding: var(--space-3);
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 2px 8px rgba(23,68,59,0.06);
}
.related-nav h4 {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.related-nav ul { display: flex; flex-direction: column; gap: 3px; }
.related-nav a {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 10px;
  border-radius: 4px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary);
}
.related-nav a::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--color-border);
  flex-shrink: 0;
}
.related-nav a:hover { background: var(--color-muted); color: var(--color-accent); }
.related-nav a.active { background: var(--color-muted); color: var(--color-accent); }
.related-nav a.active::before { background: var(--color-accent); }
.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-muted-foreground);
  margin-bottom: var(--space-3);
}
.breadcrumb a { color: var(--color-muted-foreground); }
.breadcrumb a:hover { color: var(--color-accent); }

/* ===== Stat row ===== */
.stat-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-3);
}
.stat-row > div {
  text-align: center;
  padding: 0 var(--space-3);
  border-left: 1px solid rgba(255,255,255,0.16);
}
.stat-row > div:first-child { border-left: none; }
.stat-row .stat-value {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--color-accent);
  line-height: 1;
}
.stat-row .stat-label {
  display: block;
  margin-top: 10px;
  color: var(--color-muted-foreground);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}
.section-dark .stat-row .stat-label { color: rgba(255,255,255,0.65); }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding: var(--space-6) 0 var(--space-3);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-grid h4 {
  color: #ffffff;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-2);
}
.footer-grid ul { display: flex; flex-direction: column; gap: 10px; }
.footer-grid a:hover { color: #ffffff; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-3);
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 8px;
}

/* ===== Utility ===== */
.text-justify { text-align: justify; text-justify: inter-word; }

/* ===== Callout ===== */
.callout {
  background: var(--color-primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  margin: var(--space-3) 0;
}
.callout-eyebrow {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 10px;
}
.callout-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}
.callout-stats > div {
  text-align: center;
  padding: 0 var(--space-2);
  border-left: 1px solid rgba(255,255,255,0.18);
}
.callout-stats > div:first-child { border-left: none; }
.callout-stats .callout-value {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.9rem;
  letter-spacing: -0.02em;
  color: #ffffff;
  line-height: 1;
}
.callout-stats .callout-label {
  display: block;
  margin-top: 8px;
  font-size: 0.76rem;
  color: rgba(255,255,255,0.7);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  line-height: 1.3;
}
.callout p { color: rgba(255,255,255,0.85); }
@media (max-width: 600px) {
  .callout-stats { grid-template-columns: repeat(2, 1fr); }
  .callout-stats > div:nth-child(2n+1) { border-left: none; }
}

/* ===== Industry / feature grid ===== */
.icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0;
}
.icon-grid-item {
  background: var(--color-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-3) var(--space-2);
  text-align: center;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
.icon-grid-item:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(23,68,59,0.1); }
.icon-grid-item .icon-wrap {
  width: 48px;
  height: 48px;
  margin: 0 auto 10px;
  border-radius: 50%;
  background: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.icon-grid-item span {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-primary);
}

/* ===== Benefit checklist ===== */
.check-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 20px;
  margin: var(--space-3) 0;
}
.check-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-secondary);
  line-height: 1.45;
}
.check-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
}
@media (max-width: 600px) {
  .check-grid { grid-template-columns: 1fr; }
}

/* ===== Related-products tag row (vibrancy on equipment pages) ===== */
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: var(--space-2) 0 var(--space-3); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 14px;
  border-radius: 100px;
  background: var(--color-muted);
  color: var(--color-primary);
  font-size: 0.82rem;
  font-weight: 600;
  border: 1px solid var(--color-border);
}

/* ===== Stock table ===== */
.table-wrap { overflow-x: auto; margin: var(--space-3) 0; border: 1px solid var(--color-border); border-radius: var(--radius); }
.stock-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; white-space: nowrap; }
.stock-table th, .stock-table td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--color-border); }
.stock-table th {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted-foreground);
  background: var(--color-muted);
}
.stock-table tr:last-child td { border-bottom: none; }
.stock-table .stock-badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--color-muted);
  color: var(--color-primary);
}

/* ===== Map ===== */
.map-embed { position: relative; width: 100%; padding-bottom: 32%; border-radius: var(--radius); overflow: hidden; border: 1px solid var(--color-border); }
.map-embed iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (max-width: 768px) { .map-embed { padding-bottom: 65%; } }

/* ===== Contact form ===== */
.contact-form { display: flex; flex-direction: column; gap: var(--space-2); }
.form-status { font-size: 0.9rem; font-weight: 600; min-height: 1.2em; }
.form-status-success { color: #15803d; }
.form-status-error { color: #dc2626; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-2); }
label { font-family: var(--font-heading); font-weight: 600; font-size: 0.85rem; color: var(--color-primary); display: block; margin-bottom: 6px; }
input, select, textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--color-surface);
  color: var(--color-foreground);
}
input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 1px;
  border-color: var(--color-accent);
}
.contact-info-list { display: flex; flex-direction: column; gap: var(--space-4); }
.contact-info-item h4 { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-muted-foreground); margin-bottom: 4px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .detail-grid { grid-template-columns: 1fr; }
  .sidebar-card { position: static; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .nav-toggle { display: block; }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-3);
    gap: var(--space-1);
  }
  .nav-links.open .nav-item { flex-direction: column; align-items: stretch; }
  .nav-links.open .nav-item-label { padding: 10px 4px; justify-content: space-between; }
  .nav-links.open .nav-caret { display: none; }
  .nav-links.open .dropdown-menu {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: var(--color-muted);
    margin: 0 0 8px;
    transition: none;
  }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .stat-row { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-4); }
  .stat-row > div:nth-child(2) { border-left: 1px solid rgba(255,255,255,0.16); }
  .stat-row > div:nth-child(3) { border-left: none; }
  section { padding: var(--space-5) 0; }
}
@media (max-width: 480px) {
  .detail-grid, .grid { gap: var(--space-3); }
  .card-grid { grid-template-columns: 1fr; }
  .stat-row { grid-template-columns: 1fr; row-gap: var(--space-3); }
  .stat-row > div { border-left: none !important; border-top: 1px solid rgba(255,255,255,0.16); padding-top: var(--space-3); }
  .stat-row > div:first-child { border-top: none; padding-top: 0; }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 375px) {
  .hero-actions { flex-direction: column; align-items: stretch; }
}