/* ============================================================
   RHINOCEROS USA — BLUEPRINT / TECHNICAL ENGINEERING THEME
   ============================================================
   Design System:
   - ZERO rounded corners (border-radius: 0 everywhere)
   - NO shadows (box-shadow: none)
   - Pure white backgrounds (#FFFFFF)
   - Stark black borders (1px / 2px solid #000)
   - Machinery Red (#FF0000) for high-priority actions only
   - Typography: Space Mono (technical), Inter (body)
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Space+Mono:wght@400;700&display=swap');

/* ── CSS Variables ─────────────────────────────────────────── */
:root {
  --white: #FFFFFF;
  --black: #000000;
  --red: #FF0000;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #E5E5E5;
  --gray-300: #D4D4D4;
  --gray-400: #A3A3A3;
  --gray-500: #737373;
  --gray-600: #525252;
  --gray-700: #404040;
  --gray-800: #262626;
  --gray-900: #171717;
  --font-mono: 'Space Mono', monospace;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --border: 1px solid #000;
  --border-2: 2px solid #000;
  --border-light: 1px solid #E5E5E5;
  --transition: all 0.2s ease;
}

/* ── Reset ─────────────────────────────────────────────────── */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 64px;
}

body {
  font-family: var(--font-sans);
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

/* ── NAVBAR ────────────────────────────────────────────────── */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: var(--white);
  border-bottom: 2px solid var(--black);
}

.navbar.scrolled {
  border-bottom-color: var(--black);
}

.nav-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  padding: 0 40px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--black);
}

.nav-logo img {
  height: 40px;
  width: auto;
}

.nav-logo .logo-icon {
  font-size: 1.5rem;
  line-height: 1;
}

.nav-logo span,
.nav-logo {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: var(--black);
  text-decoration: none;
  transition: var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--red);
  text-decoration: underline;
}

.nav-cta {
  background: var(--red);
  color: var(--white);
  padding: 8px 20px;
  border: none;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1px;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
  transition: var(--transition);
  border-radius: 0;
}

.nav-cta:hover {
  background: #CC0000;
}

.nav-mobile-toggle {
  display: none;
  font-size: 1.5rem;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--black);
  padding: 4px;
}

.mobile-nav {
  display: none;
  flex-direction: column;
  background: var(--white);
  border-bottom: 2px solid var(--black);
  padding: 16px 40px;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav a {
  padding: 12px 0;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--black);
  text-decoration: none;
  transition: var(--transition);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

.mobile-nav a:hover {
  color: var(--red);
}

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn-primary {
  background: var(--red);
  color: var(--white);
  padding: 12px 28px;
  border: 2px solid var(--red);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-primary:hover {
  background: #CC0000;
  border-color: #CC0000;
}

.btn-secondary {
  background: var(--white);
  color: var(--black);
  padding: 12px 28px;
  border: 2px solid var(--black);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.8rem;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-secondary:hover {
  background: var(--black);
  color: var(--white);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--black);
  color: var(--black);
  padding: 8px 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  display: inline-block;
  text-decoration: none;
  text-align: center;
}

.btn-outline:hover {
  background: var(--black);
  color: var(--white);
}

/* ── SECTION HEADERS ───────────────────────────────────────── */
.section-header {
  max-width: 800px;
  margin-bottom: 48px;
}

.section-label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 0.65rem;
  letter-spacing: 3px;
  color: var(--gray-500);
  margin-bottom: 8px;
  display: block;
}

.section-label::before {
  content: '// ';
}

.section-header h2 {
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(1.8rem, 3vw, 2.5rem);
  letter-spacing: -0.5px;
  border-bottom: 2px solid var(--black);
  padding-bottom: 12px;
  display: inline-block;
  line-height: 1.2;
}

/* ── MACHINE CARDS ─────────────────────────────────────────── */
.machine-card {
  background: var(--white);
  border: 1px solid var(--black);
  overflow: hidden;
  cursor: pointer;
  transition: var(--transition);
  position: relative;
  border-radius: 0;
}

.machine-card:hover {
  border: 2px solid var(--red);
}

.machine-card-image {
  height: 200px;
  background: var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--black);
  position: relative;
  overflow: hidden;
}

.machine-card-image img {
  max-height: 100%;
  max-width: 100%;
  object-fit: contain;
}

.machine-category-badge {
  position: absolute;
  top: 0;
  left: 0;
  background: var(--black);
  color: var(--white);
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  z-index: 1;
}

.machine-stock-badge {
  position: absolute;
  top: 0;
  right: 0;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  z-index: 1;
}

.machine-stock-badge.in-stock {
  background: var(--white);
  color: #10B981;
  border-bottom: 1px solid #10B981;
  border-left: 1px solid #10B981;
}

.machine-stock-badge.limited {
  background: var(--white);
  color: var(--red);
  border-bottom: 1px solid var(--red);
  border-left: 1px solid var(--red);
}

.machine-card-body {
  padding: 20px;
}

.machine-card-body h3 {
  font-family: var(--font-sans);
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 2px;
  line-height: 1.3;
}

.machine-card-body .machine-subtitle {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}

.machine-specs-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-bottom: 16px;
}

.spec-item {
  border: 1px solid var(--gray-200);
  padding: 8px 10px;
  border-radius: 0;
}

.spec-item .spec-label {
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.8px;
  margin-bottom: 2px;
}

.spec-item .spec-value {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--black);
}

.machine-card-footer {
  border-top: 1px solid var(--black);
  padding-top: 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.machine-price {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
}

.machine-price .price-label {
  display: block;
  font-size: 0.55rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-weight: 400;
}

.btn-quote-sm {
  border: 1px solid var(--red);
  color: var(--red);
  background: var(--white);
  padding: 6px 16px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
}

.btn-quote-sm:hover {
  background: var(--red);
  color: var(--white);
}

/* ── FORM STYLES ───────────────────────────────────────────── */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-group.full-width {
  grid-column: 1 / -1;
}

.form-group label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-600);
}

.form-group input,
.form-group select,
.form-group textarea {
  background: var(--gray-50);
  border: 1px solid var(--black);
  padding: 10px 14px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  border-radius: 0;
  color: var(--black);
  transition: var(--transition);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--red);
  box-shadow: 0 0 0 1px var(--red);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--gray-400);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* ── FOOTER ────────────────────────────────────────────────── */
.footer {
  background: var(--black);
  color: var(--white);
  padding: 48px 40px 24px;
  border-top: 2px solid var(--black);
}

.footer-inner {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .footer-logo img {
  height: 32px;
  width: auto;
}

.footer-brand .footer-logo .logo-icon {
  font-size: 1.3rem;
}

.footer-brand .footer-logo span {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
}

.footer-brand p {
  color: var(--gray-400);
  font-size: 0.85rem;
  line-height: 1.6;
}

.footer-col h4 {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--gray-400);
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: 8px;
}

.footer-col a {
  color: var(--gray-400);
  text-decoration: none;
  font-size: 0.85rem;
  transition: var(--transition);
}

.footer-col a:hover {
  color: var(--white);
}

.footer-bottom {
  max-width: 1400px;
  margin: 0 auto;
  padding-top: 24px;
  border-top: 1px solid var(--gray-700);
  display: flex;
  justify-content: space-between;
  font-size: 0.75rem;
  color: var(--gray-500);
  font-family: var(--font-mono);
}

/* ── ANIMATIONS (minimal, industrial) ──────────────────────── */
.fade-in {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── DETAIL OVERLAY ────────────────────────────────────────── */
.machine-detail-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 40px;
}

.machine-detail-overlay.active {
  display: flex;
}

.machine-detail-panel {
  background: var(--white);
  border: 2px solid var(--black);
  max-width: 900px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  border-radius: 0;
}

.detail-close {
  position: absolute;
  top: 16px;
  right: 16px;
  background: var(--white);
  border: 1px solid var(--black);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 1rem;
  cursor: pointer;
  z-index: 10;
  border-radius: 0;
  transition: var(--transition);
}

.detail-close:hover {
  background: var(--red);
  color: var(--white);
  border-color: var(--red);
}

.detail-header {
  padding: 32px 32px 0;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.detail-title-area h2 {
  font-family: var(--font-sans);
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1.2;
}

.detail-title-area .machine-subtitle {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 4px;
}

.detail-title-area .machine-description {
  font-size: 0.9rem;
  color: var(--gray-600);
  margin-top: 12px;
  line-height: 1.6;
  max-width: 600px;
}

.detail-tabs {
  display: flex;
  border-bottom: 2px solid var(--black);
  padding: 0 32px;
  margin-top: 24px;
  overflow-x: auto;
}

.detail-tab {
  padding: 12px 20px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--gray-500);
  transition: var(--transition);
  white-space: nowrap;
  border-radius: 0;
}

.detail-tab:hover {
  color: var(--black);
}

.detail-tab.active {
  color: var(--black);
  border-bottom: 2px solid var(--red);
  margin-bottom: -2px;
}

.detail-tab-content {
  padding: 24px 32px 32px;
}

.detail-tab-panel {
  display: none;
}

.detail-tab-panel.active {
  display: block;
}

.detail-spec-section {
  margin-bottom: 24px;
}

.detail-spec-section h4 {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--red);
  margin-bottom: 12px;
  border-bottom: 1px solid var(--gray-200);
  padding-bottom: 8px;
}

.detail-spec-section ul {
  list-style: none;
}

.detail-spec-section li {
  font-size: 0.85rem;
  padding: 6px 0;
  border-bottom: 1px solid var(--gray-100);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.detail-spec-section li:last-child {
  border-bottom: none;
}

.detail-spec-section li strong {
  font-family: var(--font-mono);
  font-weight: 700;
}

.detail-spec-section li span:first-child {
  color: var(--gray-600);
}

.detail-actions {
  padding: 0 32px 32px;
  display: flex;
  gap: 12px;
}

/* ── UTILITY CLASSES ───────────────────────────────────────── */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 40px;
}

.text-mono {
  font-family: var(--font-mono);
}

.text-red {
  color: var(--red);
}

.text-gray {
  color: var(--gray-500);
}

.text-uppercase {
  text-transform: uppercase;
}

.text-center {
  text-align: center;
}

.mt-section {
  margin-top: 80px;
}

.mb-section {
  margin-bottom: 80px;
}

.pt-nav {
  padding-top: 64px;
}

/* ── GRID LAYOUTS ──────────────────────────────────────────── */
.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

/* ── STATUS INDICATORS ─────────────────────────────────────── */
.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 0;
  margin-right: 6px;
}

.status-dot.active {
  background: #10B981;
}

.status-dot.limited {
  background: var(--red);
}

/* ── TABLE STYLES ──────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.85rem;
}

.data-table th {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--gray-500);
  padding: 10px 12px;
  border-bottom: 2px solid var(--black);
  text-align: left;
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-200);
}

.data-table tr:hover td {
  background: var(--gray-50);
}

/* ── DROPDOWN MENU ─────────────────────────────────────── */
.nav-dropdown {
    position: relative;
}
.nav-dropdown-content {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    min-width: 220px;
    border: 2px solid var(--black);
    z-index: 2000;
}
.nav-dropdown:hover .nav-dropdown-content {
    display: block;
}
.nav-dropdown-content a {
    display: block;
    padding: 12px 16px;
    border-bottom: 1px solid var(--gray-200);
    font-family: var(--font-mono);
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 1px;
    color: var(--black);
    text-decoration: none;
}
.nav-dropdown-content a:last-child {
    border-bottom: none;
}
.nav-dropdown-content a:hover {
    background-color: var(--gray-100);
    color: var(--red);
    text-decoration: none;
}

/* ── RESPONSIVE: 1024px ────────────────────────────────────── */
@media (max-width: 1024px) {
  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .nav-mobile-toggle {
    display: block;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .container {
    padding: 0 24px;
  }

  .nav-inner {
    padding: 0 24px;
  }

  .mobile-nav {
    padding: 16px 24px;
  }
}

/* ── RESPONSIVE: 768px ─────────────────────────────────────── */
@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2 {
    grid-template-columns: 1fr;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-group.full-width {
    grid-column: auto;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }

  .section-header h2 {
    font-size: 1.6rem;
  }

  .machine-detail-overlay {
    padding: 16px;
  }

  .detail-header {
    padding: 24px 20px 0;
    flex-direction: column;
  }

  .detail-tabs {
    padding: 0 20px;
  }

  .detail-tab-content {
    padding: 20px;
  }

  .detail-actions {
    padding: 0 20px 24px;
    flex-direction: column;
  }

  .detail-title-area h2 {
    font-size: 1.4rem;
  }

  .container {
    padding: 0 16px;
  }

  .nav-inner {
    padding: 0 16px;
  }

  .mobile-nav {
    padding: 16px;
  }

  .footer {
    padding: 40px 16px 20px;
  }

  .machine-specs-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* ── RESPONSIVE: 480px ─────────────────────────────────────── */
@media (max-width: 480px) {
  .machine-specs-row {
    grid-template-columns: 1fr;
  }

  .machine-card-footer {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }

  .detail-tab {
    padding: 10px 14px;
    font-size: 0.65rem;
  }
}

/* ── 360 VIEWER ────────────────────────────────────────────── */
#btn360:hover {
  background: var(--red) !important;
}