/* Euro Axle Demo — Industrial Excellence design system */
:root {
  --primary: #040c1e;
  --primary-container: #1a2235;
  --secondary-container: #fdcc22;
  --tertiary-container: #d0a700;
  --announcement-bg: #f7c600;
  --background: #fcf9f8;
  --on-background: #1c1b1b;
  --on-primary: #ffffff;
  --on-primary-container: #8189a1;
  --on-surface-variant: #45464c;
  --border-light: #e0e0e0;
  --surface: #ffffff;
  --surface-container: #f0eded;
  --link-highlight: #6a0dad;
  --container-max: 1280px;
  --section-gap: 6rem;
  --font-display: "Barlow Condensed", system-ui, sans-serif;
  --font-body: "Inter", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: 16px;
  padding-right: 16px;
}

@media (min-width: 768px) {
  .container { padding-left: 48px; padding-right: 48px; }
}

/* Typography */
h1, h2, h3, h4, .display {
  font-family: var(--font-display);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.15;
  margin: 0 0 0.5em;
}

.display { font-size: clamp(2.25rem, 6vw, 4.5rem); }
.headline-lg { font-size: clamp(2rem, 4vw, 3rem); }
.headline-md { font-size: clamp(1.5rem, 3vw, 2rem); }
.label { font-size: 14px; font-weight: 600; letter-spacing: 0.05em; text-transform: uppercase; }
.caption { font-size: 12px; color: var(--on-surface-variant); }

/* Announcement */
.announcement {
  background: var(--announcement-bg);
  text-align: center;
  padding: 0.5rem 1rem;
  font-size: 14px;
  font-weight: 600;
}
.announcement a { text-decoration: underline; color: var(--on-background); }

/* Header */
.site-header {
  background: var(--primary);
  border-bottom: 1px solid #c6c6cd;
  position: sticky;
  top: 0;
  z-index: 50;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 0;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}
.brand img { height: 40px; width: auto; }
.brand-text {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--secondary-container);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.nav-desktop {
  display: none;
  align-items: center;
  gap: 1.5rem;
}
.nav-desktop a {
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-primary-container);
  text-decoration: none;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s, border-color 0.2s;
}
.nav-desktop a:hover,
.nav-desktop a.active {
  color: var(--secondary-container);
  border-bottom-color: var(--secondary-container);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.65rem 1.5rem;
  border-radius: 4px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, box-shadow 0.15s;
}
.btn-primary {
  background: var(--secondary-container);
  color: var(--primary-container);
  box-shadow: 0 4px 0 var(--primary-container);
}
.btn-primary:hover {
  background: var(--tertiary-container);
  transform: translateY(1px);
  box-shadow: 0 2px 0 var(--primary-container);
}
.btn-outline {
  background: transparent;
  color: var(--on-primary);
  border: 2px solid var(--border-light);
}
.btn-outline-dark {
  background: transparent;
  color: var(--primary-container);
  border: 2px solid var(--primary-container);
}
.btn-outline-dark:hover {
  background: var(--primary-container);
  color: var(--on-primary);
}

.menu-toggle {
  display: flex;
  background: none;
  border: none;
  color: var(--secondary-container);
  padding: 0.5rem;
  cursor: pointer;
}
.menu-toggle svg { width: 28px; height: 28px; }

.nav-mobile {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--primary-container);
  border-top: 1px solid #3f465b;
  padding: 0.5rem 0 1rem;
}
.nav-mobile.open { display: flex; }
.nav-mobile a {
  padding: 0.75rem 16px;
  font-family: var(--font-display);
  font-size: 1.125rem;
  text-transform: uppercase;
  color: var(--on-primary);
  text-decoration: none;
  border-bottom: 1px solid #3f465b;
}
.nav-mobile a.active { color: var(--secondary-container); }

@media (min-width: 768px) {
  .nav-desktop { display: flex; }
  .menu-toggle, .nav-mobile { display: none !important; }
  .header-cta { display: inline-flex; }
}
.header-cta { display: none; }

/* Hero */
.hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  background: var(--primary);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  object-fit: cover;
  width: 100%;
  height: 100%;
  opacity: 0.35;
  mix-blend-mode: luminosity;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--primary) 0%, rgba(4,12,30,0.85) 50%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; padding: 4rem 0; max-width: 36rem; }
.hero-content p { color: var(--on-primary-container); font-size: 1.125rem; margin-bottom: 2rem; }
.hero-tag {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--secondary-container);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.hero-tag::before {
  content: "";
  width: 3rem;
  height: 4px;
  background: var(--secondary-container);
}
.hero h1 { color: var(--on-primary); }

/* Sections */
.section { padding: var(--section-gap) 0; }
.section-alt { background: var(--surface-container); border-block: 1px solid var(--border-light); }
.section-dark { background: var(--primary-container); color: var(--on-primary); }

/* Category grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
}
@media (min-width: 640px) { .category-grid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 1024px) { .category-grid { grid-template-columns: repeat(5, 1fr); } }

.category-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  padding: 1.5rem 1rem;
  text-align: center;
  text-decoration: none;
  transition: box-shadow 0.2s, transform 0.2s;
}
.category-card:hover {
  transform: translateY(-2px);
  box-shadow: 4px 4px 0 var(--primary);
}
.category-card img { height: 64px; width: auto; margin: 0 auto 0.75rem; object-fit: contain; }
.category-card h3 {
  font-size: 0.875rem;
  margin: 0;
  color: var(--primary-container);
}

/* Trailer types */
.trailer-types {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2rem;
  padding: 2rem 0;
}
.trailer-types img { height: 48px; opacity: 0.85; }

/* Bento / feature grid */
.bento {
  display: grid;
  gap: 1.5rem;
}
@media (min-width: 768px) {
  .bento { grid-template-columns: repeat(12, 1fr); }
  .bento-main { grid-column: span 8; }
  .bento-side { grid-column: span 4; display: flex; flex-direction: column; gap: 1.5rem; }
}
.feature-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  border-radius: 4px;
  overflow: hidden;
}
.feature-card .feature-body { padding: 1.5rem; }
.stat-card {
  background: var(--primary);
  color: var(--on-primary);
  border: 1px solid var(--primary-container);
  border-top: 4px solid var(--secondary-container);
  border-radius: 4px;
  padding: 1.5rem;
  flex: 1;
}
.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 3rem;
  font-weight: 700;
  line-height: 1;
}

/* Product grid */
.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-light);
}
.filter-btn {
  padding: 0.5rem 1rem;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  background: var(--surface);
  cursor: pointer;
  font-family: var(--font-body);
}
.filter-btn.active {
  background: var(--primary);
  color: var(--on-primary);
  border-color: var(--primary);
}

.product-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}
@media (min-width: 640px) { .product-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1024px) { .product-grid { grid-template-columns: repeat(3, 1fr); } }

.product-card {
  background: var(--surface);
  border: 1px solid var(--border-light);
  display: flex;
  flex-direction: column;
  position: relative;
}
.product-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--secondary-container);
}
.product-card-image {
  aspect-ratio: 4/3;
  background: #f6f3f2;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  border-bottom: 1px solid var(--border-light);
}
.product-card-image img { object-fit: contain; max-height: 100%; width: 100%; }
.product-card-body { padding: 1.5rem; flex: 1; display: flex; flex-direction: column; }
.product-card-body h2 { font-size: 1.25rem; color: var(--primary); }
.product-card-body p { flex: 1; color: var(--on-surface-variant); font-size: 0.9375rem; margin: 0 0 1rem; }
.product-price { font-weight: 600; color: var(--primary-container); margin-bottom: 1rem; }

/* Product detail */
.product-detail {
  display: grid;
  gap: 2rem;
  padding: 3rem 0;
}
@media (min-width: 768px) {
  .product-detail { grid-template-columns: 1fr 1fr; align-items: start; }
}
.product-detail-image {
  background: #f6f3f2;
  border: 1px solid var(--border-light);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
}
.spec-table { width: 100%; border: 1px solid var(--border-light); border-radius: 4px; }
.spec-row {
  display: flex;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
}
.spec-row:last-child { border-bottom: none; }
.spec-row span:first-child { font-weight: 600; font-size: 14px; text-transform: uppercase; }

/* Contact form */
.form-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .form-grid { grid-template-columns: 1fr 1fr; } }
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 16px;
  background: var(--surface);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-container);
}
.contact-info-card {
  background: var(--primary-container);
  color: var(--on-primary);
  padding: 2rem;
  border-radius: 4px;
}
.contact-info-card a { color: var(--secondary-container); }

/* Specs page */
.specs-list { border: 1px solid var(--border-light); border-radius: 4px; overflow: hidden; }
.specs-list .spec-row:nth-child(even) { background: #f6f3f2; }

/* Footer */
.site-footer {
  background: var(--primary);
  color: var(--on-primary-container);
  padding: var(--section-gap) 0 2rem;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  gap: 2rem;
}
@media (min-width: 768px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-grid h4 {
  color: var(--on-primary);
  font-family: var(--font-body);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1rem;
}
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin-bottom: 0.5rem; }
.footer-grid a {
  color: var(--on-primary-container);
  text-decoration: none;
}
.footer-grid a:hover { color: var(--secondary-container); }
.footer-bottom {
  margin-top: 3rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(129,137,161,0.3);
  font-size: 0.875rem;
}
.ntta-badge { height: 48px; margin-top: 1rem; }

.text-center { text-align: center; }
.text-muted { color: var(--on-surface-variant); }
.mb-0 { margin-bottom: 0; }
.gap-buttons { display: flex; flex-wrap: wrap; gap: 1rem; }
.page-intro {
  border-left: 4px solid var(--secondary-container);
  padding-left: 1.5rem;
  margin-bottom: 3rem;
}
.search-bar {
  width: 100%;
  max-width: 400px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-light);
  border-radius: 4px;
  margin-bottom: 2rem;
}
.not-found { text-align: center; padding: 4rem 0; }