/* ==========================================================================
   WTS Racing - Electronic Speed Controller (ESC) & Blinky Scrutineering Portal
   Visual Identity based on Waldo Tech Systems Official Brand Book
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Exo:ital,wght@0,400;0,600;0,700;0,800;1,400;1,600;1,700&display=swap');

/* --- Design Tokens & Brand Palette --- */
:root {
  /* Brand Colors from WTS Brand Book */
  --bg-primary: #0a0a0c;             /* Deep dark chassis background */
  --bg-secondary: #343031;           /* WTS Brand Dark Charcoal / Grey */
  --bg-tertiary: #252223;            /* Dark surface / Dropdown & Card BG */
  --bg-card: #191819;                /* Elevated card background */
  --bg-card-hover: #221f21;          /* Card hover highlight */
  --bg-glass: rgba(18, 17, 18, 0.85);/* Glassmorphism panel */

  --accent-neon: #f29022;            /* Brand Primary Orange (matches WTS-www) */
  --accent-neon-hover: #e84b19;      /* Brand Primary Orange-Red (matches WTS-www) */
  --accent-orange: #f29022;          /* Primary WTS Brand Orange (C0 M51 Y91 K0) */
  --accent-yellow: #fcc55c;          /* WTS Yellow-Orange (C0 M26 Y71 K0) */
  --accent-red: #e3271d;             /* WTS Racing Red (C1 M94 Y94 K0) */
  --accent-red-orange: #e84b19;      /* WTS Red-Orange (C0 M81 Y96 K0) */
  --accent-burgundy: #931a1f;        /* WTS Crimson (C20 M98 Y84 K34) */
  --accent-wine: #530d0a;            /* WTS Dark Wine */

  --accent-neon-glow: rgba(242, 144, 34, 0.4);
  --accent-neon-glow-strong: rgba(242, 144, 34, 0.75);
  --accent-orange-glow: rgba(232, 75, 25, 0.35);

  --text-primary: #f1f3f5;           /* Off-white crisp text */
  --text-secondary: #d2cfcd;         /* Brand book light grey for body */
  --text-muted: #b3b2b1;             /* Brand book medium grey for footnotes */
  --text-dark: #55565a;              /* Slate grey */

  --border-color: #4a4748;           /* Neutral border */
  --border-subtle: #2d2a2b;          /* Subtle divider */
  --border-glow: rgba(242, 144, 34, 0.3);

  /* Status Colors */
  --status-pass: #28a745;
  --status-pass-glow: rgba(40, 167, 69, 0.35);
  --status-fail: #dc3545;
  --status-fail-glow: rgba(220, 53, 69, 0.35);
  --status-warn: #ffc107;
  --status-info: #17a2b8;

  /* Typography */
  --font-display: 'Exo', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Arial', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Layout & Spacing */
  --container-max: 1260px;
  --radius-lg: 12px;
  --radius-md: 8px;
  --radius-sm: 4px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  --transition-slow: 0.5s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 90px;
}

body {
  background-color: var(--bg-primary);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

/* Subtle Carbon Fiber Pattern (matches WTS-www) */
.carbon-bg {
  background-image: 
    linear-gradient(45deg, rgba(255, 255, 255, 0.003) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255, 255, 255, 0.003) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255, 255, 255, 0.003) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255, 255, 255, 0.003) 75%);
  background-size: 8px 8px;
}

/* Typography Defaults */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--text-primary);
  line-height: 1.25;
}

p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

p:last-child {
  margin-bottom: 0;
}

a {
  color: var(--accent-orange);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-yellow);
}

strong {
  color: #ffffff;
}

code {
  font-family: 'Consolas', 'Courier New', monospace;
  background-color: var(--bg-tertiary);
  color: var(--accent-yellow);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  font-size: 0.9em;
}

/* --- Navigation Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  background-color: var(--bg-glass);
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  z-index: 1000;
  transition: height var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header.scrolled {
  height: 72px;
  background-color: rgba(10, 10, 12, 0.95);
  box-shadow: 0 4px 25px rgba(0, 0, 0, 0.7);
  border-bottom-color: var(--border-glow);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  text-decoration: none;
}

.logo-img {
  height: 68px;
  width: auto;
  display: block;
  transition: height var(--transition-normal);
}

.header.scrolled .logo-img {
  height: 52px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 24px;
  list-style: none;
}

.nav-link {
  font-family: var(--font-display);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  text-transform: uppercase;
  padding: 6px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--accent-orange);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--accent-orange);
  transition: width var(--transition-normal);
}

.nav-link:hover::after, .nav-link.active::after {
  width: 100%;
}

.nav-dropdown {
  position: relative;
}

.dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 210px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6);
  padding: 8px 0;
  list-style: none;
  z-index: 1001;
}

.nav-dropdown:hover .dropdown-menu {
  display: block;
}

.dropdown-item a {
  display: block;
  padding: 8px 18px;
  font-family: var(--font-display);
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-item a:hover {
  background-color: rgba(242, 144, 34, 0.15);
  color: var(--accent-orange);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  flex-direction: column;
  gap: 5px;
}

.menu-toggle .bar {
  width: 24px;
  height: 2px;
  background-color: var(--text-primary);
  transition: var(--transition-normal);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
  border-radius: var(--radius-md);
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: var(--transition-normal);
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
}

.btn-primary {
  background-color: var(--accent-neon);
  color: var(--text-primary);
  border: 1px solid var(--accent-neon);
  box-shadow: 0 4px 15px var(--accent-neon-glow);
}

.btn-primary:hover {
  background-color: var(--accent-neon-hover);
  color: var(--text-primary);
  border-color: var(--accent-neon-hover);
  box-shadow: 0 6px 25px var(--accent-neon-glow-strong);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: rgba(255, 255, 255, 0.03);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background-color: rgba(255, 255, 255, 0.08);
  border-color: var(--text-secondary);
  color: var(--text-primary);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
}

/* --- Section Headers --- */
.section {
  padding: 80px 0;
  position: relative;
}

.section-alt {
  background-color: rgba(25, 24, 25, 0.4);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-header {
  text-align: center;
  max-width: 840px;
  margin: 0 auto 50px;
}

.section-tag {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 8px;
  padding: 4px 12px;
  background-color: rgba(242, 144, 34, 0.1);
  border: 1px solid rgba(242, 144, 34, 0.25);
  border-radius: 20px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  color: #ffffff;
}

.section-bar {
  width: 60px;
  height: 3px;
  background-color: var(--accent-neon);
  margin: 0 auto 16px auto;
  box-shadow: 0 0 8px var(--accent-neon-glow);
  border-radius: 2px;
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
}

/* --- Hero Section --- */
.hero {
  padding: 160px 0 90px;
  position: relative;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(10, 10, 12, 0.85) 0%, rgba(10, 10, 12, 0.95) 80%, var(--bg-primary) 100%);
  z-index: 1;
}

.hero-container, .hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-badge-wrap {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 20px;
}

.badge-pulse {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 4px 12px;
  border-radius: 20px;
  background-color: rgba(242, 144, 34, 0.12);
  border: 1px solid var(--accent-neon);
  color: var(--accent-neon);
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge-pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-neon);
  box-shadow: 0 0 8px var(--accent-neon-glow);
  animation: pulse-dot 1.5s infinite;
}

@keyframes pulse-dot {
  0% { transform: scale(0.9); opacity: 0.7; }
  50% { transform: scale(1.3); opacity: 1; box-shadow: 0 0 12px var(--accent-neon-glow-strong); }
  100% { transform: scale(0.9); opacity: 0.7; }
}

.hero-title {
  font-size: clamp(32px, 5.5vw, 52px);
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.hero-title .highlight, .hero-title span.highlight {
  color: var(--accent-neon);
  text-shadow: 0 0 15px var(--accent-neon-glow);
}

.hero-subtitle {
  font-size: clamp(16px, 2.2vw, 18px);
  color: var(--text-secondary);
  margin: 0 auto 32px auto;
  max-width: 720px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 35px;
}

.hero-meta-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  width: 100%;
  max-width: 580px;
  margin: 0 auto;
  padding-top: 25px;
  border-top: 1px solid var(--border-color);
}

.hero-meta-item strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--accent-neon);
  line-height: 1.1;
  text-shadow: 0 0 10px rgba(242, 144, 34, 0.25);
}

.hero-meta-item span {
  font-size: 0.8rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.hero-card-panel {
  display: none !important;
}

.hero-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-color);
}

.hero-card-header h3 {
  font-size: 1.1rem;
  color: #fff;
}

.chip-watermark {
  position: absolute;
  bottom: 15px;
  right: 15px;
  width: 90px;
  opacity: 0.12;
  pointer-events: none;
}

/* Quick Scrutineer Card Checklist in Hero */
.hero-checklist-mini {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-checklist-mini li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.check-icon-ok {
  color: var(--status-pass);
  font-size: 1.1rem;
  flex-shrink: 0;
  margin-top: 1px;
}

/* --- Section: What is an ESC & Blinky Mode --- */
.tech-primer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.primer-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
  position: relative;
  overflow: hidden;
}

.primer-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-neon);
  box-shadow: 0 8px 24px var(--accent-neon-glow);
}

.primer-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--accent-neon);
  box-shadow: 0 0 8px var(--accent-neon-glow);
}

.primer-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(242, 144, 34, 0.12);
  border: 1px solid rgba(242, 144, 34, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 18px;
  color: var(--accent-orange);
}

.primer-card h3 {
  font-size: 1.15rem;
  margin-bottom: 10px;
  color: #ffffff;
}

/* Architecture Groups Grid */
.arch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
  margin-top: 25px;
}

.arch-card {
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px;
}

.arch-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: var(--accent-burgundy);
  color: #fff;
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

.arch-card h4 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--accent-yellow);
}

.arch-card p {
  font-size: 0.88rem;
}

.arch-examples {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Section: 30-Second Scrutineering SOP --- */
.sop-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
  margin-bottom: 30px;
}

.sop-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  position: relative;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.sop-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-orange);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.sop-step-number {
  position: absolute;
  top: 20px;
  right: 20px;
  font-family: var(--font-display);
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(242, 144, 34, 0.15);
  line-height: 1;
}

.sop-card h3 {
  font-size: 1.15rem;
  color: #fff;
  margin-bottom: 6px;
}

.sop-phase-tag {
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}

.sop-procedure {
  font-size: 0.88rem;
  margin-bottom: 16px;
  padding-left: 14px;
  border-left: 2px solid var(--accent-orange);
}

.sop-criteria {
  background-color: var(--bg-tertiary);
  padding: 12px;
  border-radius: var(--radius-md);
  margin-bottom: 14px;
  font-size: 0.85rem;
}

.sop-criteria strong {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  margin-bottom: 4px;
}

.sop-verdict-pills {
  display: flex;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 700;
  font-family: var(--font-display);
}

.verdict-pass {
  background-color: rgba(40, 167, 69, 0.2);
  color: #4cd964;
  border: 1px solid rgba(40, 167, 69, 0.4);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.verdict-fail {
  background-color: rgba(220, 53, 69, 0.2);
  color: #ff5b60;
  border: 1px solid rgba(220, 53, 69, 0.4);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

/* Alert Boxes */
.alert-box {
  background-color: rgba(52, 48, 49, 0.85);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 20px 24px;
  margin-top: 24px;
  display: flex;
  gap: 18px;
  align-items: flex-start;
}

.alert-box.caution {
  border-left: 4px solid var(--accent-neon);
  background-color: rgba(242, 144, 34, 0.08);
}

.alert-box.warning {
  border-left: 4px solid var(--accent-red);
  background-color: rgba(227, 39, 29, 0.08);
}

.alert-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
  line-height: 1;
}

.alert-content h4 {
  font-size: 1rem;
  margin-bottom: 6px;
  color: #ffffff;
}

.alert-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* --- Section: Master ESC Blinky Database --- */
.db-controls {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  background-color: var(--bg-card);
  padding: 16px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 260px;
}

.search-box input {
  width: 100%;
  padding: 10px 16px 10px 38px;
  background-color: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--accent-orange);
  box-shadow: 0 0 10px var(--accent-neon-glow);
}

.search-icon {
  position: absolute;
  top: 50%;
  left: 12px;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1rem;
}

.filter-pills {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.filter-pill {
  background-color: var(--bg-tertiary);
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
  border-radius: 20px;
  padding: 6px 14px;
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-pill:hover {
  color: var(--text-primary);
  border-color: var(--accent-orange);
}

.filter-pill.active {
  background-color: var(--accent-neon);
  color: var(--text-primary);
  border-color: var(--accent-neon);
  box-shadow: 0 4px 15px var(--accent-neon-glow);
}

/* Master Table Styling */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  margin-bottom: 24px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.9rem;
}

.data-table th {
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 16px 18px;
  border-bottom: 2px solid var(--border-color);
  white-space: nowrap;
}

.data-table td {
  padding: 14px 18px;
  border-bottom: 1px solid var(--border-subtle);
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table tr:last-child td {
  border-bottom: none;
}

.data-table tbody tr {
  transition: background-color var(--transition-fast);
}

.data-table tbody tr:hover {
  background-color: rgba(242, 144, 34, 0.05);
}

/* LED Indicator Pills */
.led-indicator {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.85rem;
}

.led-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex-shrink: 0;
  position: relative;
}

/* LED Pulse Animations */
.led-blue {
  background-color: #0088ff;
  box-shadow: 0 0 10px #0088ff;
  animation: pulse-blue 1.1s infinite;
}

@keyframes pulse-blue {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px #00a2ff; }
}

.led-red {
  background-color: #ff3344;
  box-shadow: 0 0 10px #ff3344;
  animation: pulse-red 1s infinite;
}

@keyframes pulse-red {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px #ff5566; }
}

.led-green {
  background-color: #2ed573;
  box-shadow: 0 0 10px #2ed573;
  animation: pulse-green 1s infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px #2ed573; }
}

.led-orange {
  background-color: #ff9f1a;
  box-shadow: 0 0 10px #ff9f1a;
  animation: pulse-orange 1s infinite;
}

@keyframes pulse-orange {
  0%, 100% { opacity: 0.2; transform: scale(0.85); }
  50% { opacity: 1; transform: scale(1.15); box-shadow: 0 0 14px #ff9f1a; }
}

.led-dual {
  background: linear-gradient(90deg, #ff3344 50%, #2ed573 50%);
  animation: pulse-dual 0.8s infinite alternate;
}

@keyframes pulse-dual {
  0% { transform: scale(0.9); opacity: 0.5; }
  100% { transform: scale(1.2); opacity: 1; box-shadow: 0 0 12px #ff9f1a; }
}

.led-screen {
  background-color: #343031;
  border: 1px solid #2ed573;
  border-radius: 2px;
  width: 14px;
  height: 10px;
  display: inline-block;
  box-shadow: 0 0 6px #2ed573;
}

/* Inspection Protocol Badges */
.protocol-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.08);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  letter-spacing: 0.03em;
}

/* --- Section: Secondary Bench RPM Limits --- */
.rpm-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 32px;
  align-items: flex-start;
}

.rpm-thresholds-table th {
  font-size: 0.75rem;
}

.rpm-calculator-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.rpm-calculator-card h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
  color: #fff;
}

.calc-form-group {
  margin-bottom: 18px;
}

.calc-form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  margin-bottom: 6px;
  letter-spacing: 0.04em;
}

.calc-select, .calc-input {
  width: 100%;
  padding: 10px 14px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.95rem;
  outline: none;
  transition: border-color var(--transition-fast);
}

.calc-select:focus, .calc-input:focus {
  border-color: var(--accent-orange);
}

.calc-result-box {
  margin-top: 20px;
  padding: 16px;
  border-radius: var(--radius-md);
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  display: none;
  animation: fadeIn 0.3s ease;
}

.calc-result-box.pass {
  display: block;
  border-color: var(--status-pass);
  background-color: rgba(40, 167, 69, 0.08);
}

.calc-result-box.fail {
  display: block;
  border-color: var(--status-fail);
  background-color: rgba(220, 53, 69, 0.08);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.calc-result-badge {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: 0.05em;
  margin-bottom: 4px;
}

.calc-result-box.pass .calc-result-badge {
  color: #4cd964;
}

.calc-result-box.fail .calc-result-badge {
  color: #ff5b60;
}

.calc-result-detail {
  font-size: 0.85rem;
  color: var(--text-secondary);
}

/* --- Manufacturer Cards Grid --- */
.mfg-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}

.mfg-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-decoration: none;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

.mfg-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-orange);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6), 0 0 15px rgba(242, 144, 34, 0.2);
}

.mfg-card-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-orange);
  text-transform: uppercase;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}

.mfg-card-title {
  font-size: 1.35rem;
  color: #ffffff;
  margin-bottom: 8px;
}

.mfg-card-desc {
  font-size: 0.88rem;
  color: var(--text-secondary);
  margin-bottom: 18px;
}

.mfg-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.8rem;
  color: var(--accent-yellow);
  font-family: var(--font-display);
  font-weight: 700;
}

.mfg-card-arrow {
  transition: transform var(--transition-fast);
}

.mfg-card:hover .mfg-card-arrow {
  transform: translateX(4px);
}

/* --- Downloads Section --- */
.downloads-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-bottom: 40px;
}

.download-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}

.download-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-orange);
}

.download-icon-wrap {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background-color: rgba(227, 39, 29, 0.15);
  border: 1px solid rgba(227, 39, 29, 0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 16px;
  color: var(--accent-red);
}

.download-card h4 {
  font-size: 1.05rem;
  color: #fff;
  margin-bottom: 8px;
}

.download-card p {
  font-size: 0.85rem;
  margin-bottom: 18px;
}

.download-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.lang-badge {
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  font-family: var(--font-display);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
}

.lang-en {
  background-color: rgba(0, 122, 255, 0.2);
  color: #5ac8fa;
  border: 1px solid rgba(0, 122, 255, 0.3);
}

.lang-pl {
  background-color: rgba(220, 53, 69, 0.2);
  color: #ff758c;
  border: 1px solid rgba(220, 53, 69, 0.4);
}

/* --- Official Scrutineering Checklist Form --- */
.checklist-container {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 36px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  max-width: 900px;
  margin: 0 auto;
}

.checklist-form-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-color);
  flex-wrap: wrap;
  gap: 16px;
}

.form-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field label {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
}

.form-field input, .form-field select {
  padding: 8px 12px;
  background-color: var(--bg-primary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: var(--font-body);
  font-size: 0.9rem;
  outline: none;
}

.form-field input:focus, .form-field select:focus {
  border-color: var(--accent-orange);
}

.checks-table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 24px;
}

.checks-table th {
  background-color: var(--bg-secondary);
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
}

.checks-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border-subtle);
  font-size: 0.88rem;
}

.check-choice {
  display: flex;
  gap: 12px;
}

.check-choice label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 600;
}

/* --- Footer --- */
.footer {
  background-color: #060608;
  border-top: 1px solid var(--border-color);
  padding: 60px 0 30px;
  position: relative;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.88rem;
  margin-top: 12px;
  max-width: 320px;
}

.footer-col h4 {
  font-size: 0.95rem;
  margin-bottom: 16px;
  color: #fff;
  letter-spacing: 0.05em;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: 0.85rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--accent-orange);
}

.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- Modal Overlay --- */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-overlay.active {
  display: flex;
}

.modal-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
  animation: modalEnter 0.25s ease-out;
}

@keyframes modalEnter {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

.modal-close-btn {
  position: absolute;
  top: 18px;
  right: 18px;
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 1.4rem;
  line-height: 1;
  transition: color var(--transition-fast);
}

.modal-close-btn:hover {
  color: var(--accent-orange);
}

/* --- Print Stylesheet --- */
@media print {
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }

  .header, .hero, .db-controls, .rpm-grid, .mfg-cards-grid, .downloads-grid, .footer, .btn, .tech-primer-grid, .sop-grid {
    display: none !important;
  }

  .checklist-container {
    background: none !important;
    border: 2px solid #000000 !important;
    color: #000000 !important;
    box-shadow: none !important;
    padding: 20px !important;
    max-width: 100% !important;
  }

  .checklist-container * {
    color: #000000 !important;
    background: transparent !important;
    border-color: #333333 !important;
  }

  .checks-table th {
    background-color: #eeeeee !important;
  }
}

/* --- Responsive Media Queries --- */
@media (max-width: 992px) {
  .rpm-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 768px) {
  .header {
    height: 75px;
  }

  .nav-menu {
    display: none;
    position: fixed;
    top: 75px;
    left: 0;
    width: 100%;
    background-color: rgba(10, 10, 12, 0.98);
    border-bottom: 1px solid var(--border-color);
    flex-direction: column;
    padding: 24px;
    gap: 16px;
    backdrop-filter: blur(14px);
  }

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

  .menu-toggle {
    display: flex;
  }

  .nav-actions .btn {
    display: none;
  }

  .hero {
    padding: 120px 0 60px;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .section-title {
    font-size: 1.8rem;
  }

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