/* ==========================================================================
   TALLERES FARMALL CUB · RECTIFICACIÓN AGRÍCOLA (farmallcub.net)
   100% Bespoke Cast-Iron Graphite, Harvester Crimson & Machined Brass Theme
   Zero '$' symbols anywhere.
   ========================================================================== */

:root {
  --bg-limestone: #F4F1EA;
  --bg-putty: #E8E3D8;
  --bg-card: #FFFFFF;
  --iron-900: #16171A;
  --iron-800: #23252A;
  --iron-700: #353840;
  --red-harvester: #B91C1C;
  --red-deep: #881313;
  --brass-ochre: #B45309;
  --brass-light: #F59E0B;
  --text-dark: #16171A;
  --text-body: #34373E;
  --text-muted: #5C606B;
  --border-mech: #CFC8B8;
  --font-display: 'Chakra Petch', sans-serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-limestone);
  color: var(--text-dark);
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-limestone);
  color: var(--text-dark);
  line-height: 1.62;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, .hero-title, .section-title {
  font-family: var(--font-display);
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.1;
  text-wrap: balance;
  text-transform: uppercase;
}

p, li { text-wrap: pretty; color: var(--text-body); }
a { color: var(--red-harvester); text-decoration: none; transition: all 0.2s ease; }
a:hover { color: var(--iron-900); }
:focus-visible { outline: 3px solid var(--red-harvester); outline-offset: 3px; }
img { max-width: 100%; height: auto; display: block; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.skip-link { position: absolute; top: -100px; left: 16px; background: var(--red-harvester); color: #FFF; padding: 12px 20px; z-index: 9999; }
.skip-link:focus { top: 16px; }

/* ==========================================================================
   UNIQUE HEADER: RIVETED CAST-IRON & HARVESTER RED NAMEPLATE HEADER
   ========================================================================== */
.fc-iron-header {
  background: var(--iron-900);
  color: #FFFFFF;
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 4px solid var(--red-harvester);
  box-shadow: 0 12px 30px rgba(22, 23, 26, 0.22);
}

.fc-header-wrap {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  min-height: 70px;
  gap: 8px;
}

.fc-rivet-plate {
  background: var(--red-harvester);
  color: #FFFFFF !important;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 2px solid rgba(255,255,255,0.22);
  border-right: 2px solid rgba(255,255,255,0.22);
  position: relative;
  flex-shrink: 0;
}

.fc-gear-badge {
  width: 40px;
  height: 40px;
  background: var(--iron-900);
  border: 2px solid var(--brass-light);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--brass-light);
}

.fc-plate-title strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.94rem;
  letter-spacing: 0.04em;
  color: #FFFFFF;
  white-space: nowrap;
}

.fc-plate-title small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  color: #FDE68A;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.fc-steel-nav {
  display: flex;
  align-items: center;
  gap: 2px;
}

.fc-steel-nav a {
  color: #D4D4D8;
  font-family: var(--font-sans);
  font-size: 0.76rem;
  font-weight: 600;
  padding: 6px 8px;
  border-radius: 4px;
  border: 1px solid transparent;
  white-space: nowrap;
}

.fc-steel-nav a span {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--brass-light);
  margin-right: 4px;
}

.fc-steel-nav a:hover,
.fc-steel-nav a.active {
  background: var(--iron-800);
  color: #FFFFFF;
  border-color: var(--iron-700);
}

.fc-header-right {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.fc-gauge-pill {
  background: var(--iron-800);
  border: 1px solid var(--iron-700);
  padding: 6px 10px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--brass-light);
  white-space: nowrap;
}

.fc-order-btn {
  background: var(--red-harvester) !important;
  color: #FFFFFF !important;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 10px 14px;
  border-radius: 4px;
  border: 1px solid #FCA5A5;
  white-space: nowrap;
}

.fc-order-btn:hover { background: var(--red-deep) !important; }

#mobileMenuToggle {
  display: none;
  min-height: 44px;
  min-width: 44px;
  background: var(--red-harvester);
  color: #FFF;
  border: none;
  border-radius: 4px;
  margin: auto 0;
}
#mobileDrawer { display: none; background: var(--iron-800); padding: 16px 24px; }
#mobileDrawer.is-open { display: block; }
.mobile-nav-list { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.mobile-nav-list a { color: #FFF; font-weight: 600; display: block; padding: 8px 0; }

/* Buttons */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 16px; border-radius: 4px;
  background: var(--red-harvester); color: #FFFFFF !important;
  font-family: var(--font-display); font-weight: 700; font-size: 0.82rem; white-space: nowrap;
  letter-spacing: 0.04em; text-transform: uppercase;
  border: 2px solid var(--red-harvester); cursor: pointer;
}
.btn-primary:hover { background: var(--red-deep); border-color: var(--red-deep); }

.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 46px; padding: 12px 22px; border-radius: 4px;
  background: transparent; color: var(--text-dark) !important;
  font-family: var(--font-display); font-weight: 700; font-size: 0.9rem;
  letter-spacing: 0.04em; text-transform: uppercase;
  border: 2px solid var(--iron-900); cursor: pointer;
}

/* ==========================================================================
   UNIQUE HERO: DARK CAST-IRON CHASSIS UPPER DECK + 3-STATION WORKBENCH STRIP
   ========================================================================== */
.fc-chassis-hero {
  padding: 26px 0 44px;
}

.fc-upper-chassis {
  background: var(--iron-900);
  border-radius: 14px;
  border: 2px solid var(--iron-700);
  overflow: hidden;
  display: grid;
  grid-template-columns: 6fr 6fr;
  box-shadow: 0 22px 48px rgba(22, 23, 26, 0.18);
}

.fc-chassis-photo-col {
  position: relative;
  min-height: 390px;
  border-right: 3px solid var(--red-harvester);
}

.fc-chassis-photo-col img {
  width: 100%;
  height: 100%;
  min-height: 390px;
  object-fit: cover;
}

.fc-serial-plate {
  position: absolute;
  bottom: 16px;
  left: 16px;
  right: 16px;
  background: rgba(22, 23, 26, 0.92);
  border: 1px solid var(--brass-light);
  border-left: 5px solid var(--red-harvester);
  padding: 10px 14px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: #F4F1EA;
}

.fc-serial-plate strong { color: var(--brass-light); }

.fc-chassis-control-col {
  padding: 22px 28px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #F4F1EA;
}

.fc-eyebrow-stamp {
  display: inline-block;
  align-self: flex-start;
  background: var(--red-harvester);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 3px;
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

.fc-chassis-control-col h1 {
  color: #FFFFFF;
  font-size: clamp(1.55rem, 2.05vw, 1.98rem);
  line-height: 1.08;
  margin-bottom: 10px;
}

.fc-chassis-control-col h1 span {
  color: #F87171;
}

.fc-chassis-control-col p {
  color: #D4D4D8;
  font-size: 0.88rem;
  margin-bottom: 14px;
}

.fc-tolerance-matrix {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 20px;
}

.fc-tol-cell {
  background: var(--iron-800);
  border: 1px solid var(--iron-700);
  border-left: 3px solid var(--brass-light);
  padding: 8px 12px;
  border-radius: 4px;
}

.fc-tol-cell small {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  color: #A1A1AA;
  text-transform: uppercase;
}

.fc-tol-cell strong {
  font-family: var(--font-mono);
  font-size: 0.86rem;
  color: #FFFFFF;
}

.fc-hero-actions {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
}

.fc-btn-light-outline {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 44px; padding: 10px 16px; border-radius: 4px;
  background: var(--iron-800); color: #FFFFFF !important;
  font-family: var(--font-display); font-weight: 700; font-size: 0.82rem; white-space: nowrap;
  letter-spacing: 0.04em; text-transform: uppercase;
  border: 1px solid var(--brass-light);
}

/* LOWER DECK: 3 HORIZONTAL WORKBENCH MODULES */
.fc-workbench-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.fc-bench-module {
  background: #FFFFFF;
  border: 1.5px solid var(--border-mech);
  border-top: 4px solid var(--iron-900);
  border-radius: 8px;
  padding: 12px;
  display: grid;
  grid-template-columns: 112px 1fr;
  gap: 14px;
  align-items: center;
  box-shadow: 0 8px 20px rgba(22, 23, 26, 0.05);
}

.fc-bench-module:nth-child(2) { border-top-color: var(--red-harvester); }
.fc-bench-module:nth-child(3) { border-top-color: var(--brass-ochre); }

.fc-bench-module img {
  width: 112px;
  height: 92px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border-mech);
}

.fc-bench-info span {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--red-harvester);
  margin-bottom: 2px;
}

.fc-bench-info h3 {
  font-size: 0.96rem;
  margin-bottom: 4px;
}

.fc-bench-info p {
  font-size: 0.78rem;
  line-height: 1.38;
  margin: 0;
}

/* ==========================================================================
   SECTIONS & 4-COLUMN INDUSTRIAL SPEC CARDS
   ========================================================================== */
.section-pad { padding: 68px 0; }
.section-alt {
  padding: 68px 0;
  background: var(--bg-putty);
  border-top: 1px solid var(--border-mech);
  border-bottom: 1px solid var(--border-mech);
  content-visibility: auto;
  contain-intrinsic-size: auto 520px;
}

.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 24px;
  margin-bottom: 36px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--iron-900);
}

.section-kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--red-harvester);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 6px;
}

.section-title { font-size: clamp(1.65rem, 2.5vw, 2.25rem); }

.fc-spec-grid-4 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.fc-spec-card {
  background: #FFFFFF;
  border: 1.5px solid var(--border-mech);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.fc-spec-card-bar {
  background: var(--iron-900);
  color: #FFFFFF;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  border-bottom: 3px solid var(--red-harvester);
}

.fc-spec-card-bar strong { color: var(--brass-light); }

.fc-spec-card-body { padding: 20px; }
.fc-spec-card-body h3 { font-size: 1.15rem; margin-bottom: 8px; }
.fc-spec-card-body p { font-size: 0.9rem; margin-bottom: 14px; }

.fc-spec-card-foot {
  padding: 12px 20px;
  background: var(--bg-limestone);
  border-top: 1px solid var(--border-mech);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
}

/* ==========================================================================
   INTERACTIVE MICROMETER & OVERSIZE CALCULATOR
   ========================================================================== */
.fc-calc-frame {
  background: #FFFFFF;
  border: 2px solid var(--iron-900);
  border-radius: 10px;
  padding: 32px;
  display: grid;
  grid-template-columns: 6fr 6fr;
  gap: 28px;
  box-shadow: 0 14px 34px rgba(22, 23, 26, 0.08);
}

.fc-calc-screen {
  background: var(--iron-900);
  color: #FFFFFF;
  border-radius: 8px;
  padding: 26px;
  border-left: 6px solid var(--red-harvester);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.fc-price-readout {
  font-family: var(--font-display);
  font-size: 2.3rem;
  font-weight: 700;
  color: var(--brass-light);
  margin: 8px 0;
}

/* Tables */
.table-wrap { overflow-x: auto; background: #FFF; border: 1.5px solid var(--border-mech); border-radius: 8px; }
.data-table { width: 100%; border-collapse: collapse; text-align: left; }
.data-table th { background: var(--iron-900); color: #FFF; padding: 14px 18px; font-family: var(--font-mono); font-size: 0.78rem; text-transform: uppercase; }
.data-table td { padding: 14px 18px; border-bottom: 1px solid var(--border-mech); font-size: 0.92rem; }
.data-table tr:hover td { background: var(--bg-limestone); }

/* Forms & Accordion */
.form-group { margin-bottom: 16px; }
.form-label { display: block; font-weight: 700; font-size: 0.86rem; margin-bottom: 6px; }
.form-input, .form-select, .form-textarea {
  width: 100%; min-height: 46px; padding: 10px 14px;
  border: 1.5px solid var(--border-mech); border-radius: 4px;
  background: #FFFFFF; font-family: var(--font-sans); font-size: 0.95rem;
}
.form-input:user-valid { border-color: #15803D; }
.form-input:user-invalid { border-color: #B91C1C; }

.accordion-list { display: flex; flex-direction: column; gap: 12px; }
.accordion-item { background: #FFF; border: 1.5px solid var(--border-mech); border-radius: 6px; }
.accordion-header {
  width: 100%; min-height: 52px; padding: 14px 20px; background: none; border: none;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--font-display); font-size: 1.04rem; font-weight: 700; text-align: left; cursor: pointer;
}
.accordion-panel { padding: 0 20px 18px; display: none; }
.accordion-item.is-open .accordion-panel { display: block; }

/* Subpage Banner */
.page-banner {
  background: var(--iron-900);
  color: #FFF;
  padding: 44px 0;
  border-bottom: 4px solid var(--red-harvester);
}
.page-banner h1 { color: #FFF; font-size: clamp(1.9rem, 3vw, 2.7rem); margin-top: 8px; }
.breadcrumb { font-family: var(--font-mono); font-size: 0.78rem; color: var(--brass-light); }
.breadcrumb a { color: #FFF; }

/* Footer */
.site-footer {
  background: var(--iron-900);
  color: #D4D4D8;
  padding: 64px 0 36px;
  border-top: 5px solid var(--red-harvester);
  content-visibility: auto;
  contain-intrinsic-size: auto 520px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.3fr; gap: 32px; margin-bottom: 40px; }
.footer-title { color: #FFF; font-family: var(--font-display); font-size: 1.05rem; margin-bottom: 14px; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.footer-links a { color: #D4D4D8; font-size: 0.88rem; }
.footer-links a:hover { color: var(--brass-light); }
.regret-box {
  display: inline-block; margin-top: 12px; padding: 10px 16px;
  background: rgba(185, 28, 28, 0.25); border: 1.5px solid #F87171;
  border-radius: 4px; color: #FFF !important; font-weight: 700; font-size: 0.84rem;
}

.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0; z-index: 9999;
  background: var(--iron-900); color: #FFF; padding: 14px 24px;
  border-top: 3px solid var(--red-harvester);
  display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap;
}
.cookie-banner.is-hidden { display: none; }

@media (max-width: 1080px) {
  .fc-steel-nav, .fc-gauge-pill { display: none; }
  #mobileMenuToggle { display: inline-flex; align-items: center; justify-content: center; }
  .fc-upper-chassis, .fc-workbench-strip, .fc-spec-grid-4, .fc-calc-frame, .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; scroll-behavior: auto !important; }
}