/* ==========================================================================
   ADVANCE PRECISION TECHNOLOGY (aptindia) - MASTER STYLESHEET
   Design System: 60-30-10 Color Architecture & Industrial UI System
   Strictly Zero-Dependency, Lightweight & Hostinger Static Compatible
   ========================================================================== */

/* --- 1. DESIGN TOKENS & VARIABLES --- */
:root {
  /* 60% DOMINANT CANVAS (Crisp Engineering Whites & Light Slate) */
  --bg-primary: #FFFFFF;
  --bg-surface: #F8FAFC;
  --bg-subtle: #F1F5F9;
  --bg-card: #FFFFFF;
  --border-light: #E2E8F0;
  --border-focus: #CBD5E1;

  /* 30% STRUCTURAL IDENTITY (Industrial Navy & Precision Cobalt Blues) */
  --navy-dark: #0A192F;
  --navy-slate: #0F172A;
  --navy-muted: #1E293B;
  --blue-primary: #0284C7;
  --blue-deep: #0369A1;
  --blue-hover: #075985;
  --blue-tint: #E0F2FE;
  --blue-light: #F0F9FF;
  --text-primary: #0F172A;
  --text-secondary: #334155;
  --text-muted: #64748B;
  --text-inverse: #FFFFFF;

  /* 10% HIGH-ACTION ACCENT (Psychological Laser Amber & Flame Gold) */
  --accent-gold: #F59E0B;
  --accent-hover: #D97706;
  --accent-active: #B45309;
  --accent-gradient: linear-gradient(135deg, #F59E0B 0%, #EA580C 100%);
  --accent-glow: rgba(245, 158, 11, 0.28);
  --accent-soft: #FEF3C7;
  --accent-text: #92400E;

  /* FUNCTIONAL SIGNALS */
  --success-green: #10B981;
  --success-soft: #ECFDF5;
  --whatsapp-green: #25D366;
  --whatsapp-hover: #1EBE5D;

  /* TYPOGRAPHY TOKENS */
  --font-heading: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', "SFMono-Regular", Consolas, Menlo, monospace;

  /* SPACING & RADII */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  --container-max: 1280px;

  /* ELEVATIONS & SHADOWS */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.06);
  --shadow-blue: 0 8px 24px -4px rgba(2, 132, 199, 0.22);
  --shadow-accent: 0 8px 24px -4px rgba(245, 158, 11, 0.35);

  /* TRANSITIONS */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- 2. BASE RESET & ACCESSIBILITY --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background-color: var(--bg-primary);
  line-height: 1.65;
  font-feature-settings: "cv02", "cv03", "cv04", "cv11";
  overflow-x: hidden;
}

/* Tabular figures for micro-tolerances & dimensions */
.tabular-nums, .spec-table td, .telemetry-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--navy-dark);
  line-height: 1.25;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.25rem, 4.5vw, 3.5rem); font-weight: 800; line-height: 1.15; }
h2 { font-size: clamp(1.75rem, 3.2vw, 2.5rem); font-weight: 700; }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

p {
  color: var(--text-secondary);
  font-size: 1rem;
}

a {
  color: var(--blue-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--blue-deep);
}

img, picture, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

button, input, select, textarea {
  font-family: inherit;
  font-size: 1rem;
}

/* Focus styles for keyboard accessibility */
:focus-visible {
  outline: 2px solid var(--blue-primary);
  outline-offset: 3px;
}

/* --- 3. LAYOUT UTILITIES --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.section {
  padding-top: clamp(48px, 6vw, 96px);
  padding-bottom: clamp(48px, 6vw, 96px);
}

.section-alt {
  background-color: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.section-dark {
  background-color: var(--navy-dark);
  color: var(--text-inverse);
}
.section-dark h2, .section-dark h3 {
  color: var(--text-inverse);
}
.section-dark p {
  color: #94A3B8;
}

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(36px, 4vw, 56px);
}

.section-header .badge {
  margin-bottom: 12px;
}

.section-header p {
  margin-top: 12px;
  font-size: clamp(1rem, 1.2vw, 1.125rem);
  color: var(--text-muted);
}

/* --- 4. BADGES & PILLS --- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  border-radius: var(--radius-full);
  font-size: 0.775rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.badge-blue {
  background: var(--blue-tint);
  color: var(--blue-deep);
  border: 1px solid #BAE6FD;
}

.badge-accent {
  background: var(--accent-soft);
  color: var(--accent-text);
  border: 1px solid #FDE68A;
}

.badge-outline {
  background: transparent;
  color: var(--blue-primary);
  border: 1px solid var(--blue-primary);
}

.badge-dark {
  background: rgba(255, 255, 255, 0.1);
  color: #E2E8F0;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* Photo Count Badge on Product Cards */
.photo-count-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(15, 23, 42, 0.78);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  letter-spacing: 0.02em;
}

/* --- VECTOR ICONS SYSTEM --- */
.icon {
  display: inline-block;
  vertical-align: middle;
  flex-shrink: 0;
}

.icon-xs {
  width: 13px;
  height: 13px;
}

.icon-sm {
  width: 15px;
  height: 15px;
}

.icon-md {
  width: 20px;
  height: 20px;
}

.pillar-icon svg {
  width: 28px;
  height: 28px;
}

.telemetry-icon svg {
  width: 16px;
  height: 16px;
}

.btn svg.icon-sm {
  width: 17px;
  height: 17px;
}

/* --- 5. BUTTONS & CTAS (10% High-Action Palette) --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-normal);
  border: none;
  text-align: center;
  white-space: normal;
  word-break: normal;
  overflow-wrap: break-word;
  max-width: 100%;
  min-height: 48px;
  line-height: 1.35;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #FFFFFF;
  box-shadow: var(--shadow-accent);
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px -4px rgba(245, 158, 11, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  background: var(--navy-dark);
  color: #FFFFFF;
  border: 1px solid var(--navy-muted);
}

.btn-secondary:hover {
  background: var(--blue-deep);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent;
  color: var(--navy-dark);
  border: 1.5px solid var(--navy-dark);
}

.btn-outline:hover {
  background: var(--navy-dark);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-blue {
  background: transparent;
  color: var(--blue-primary);
  border: 1.5px solid var(--blue-primary);
}

.btn-outline-blue:hover {
  background: var(--blue-primary);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background-color: var(--whatsapp-green);
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
  background-color: var(--whatsapp-hover);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
  min-height: 38px;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
  min-height: 52px;
}

.btn-block {
  width: 100%;
}

/* --- 6. TOP BAR & NAVIGATION --- */
.top-bar {
  background: var(--navy-dark);
  color: #94A3B8;
  font-size: 0.825rem;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.top-bar-left, .top-bar-right {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.top-bar a {
  color: #CBD5E1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-bar a:hover {
  color: var(--accent-gold);
}

.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.brand-logo img {
  height: 44px;
  width: auto;
  object-fit: contain;
}

.brand-text {
  display: flex;
  flex-direction: column;
  justify-content: center;
  line-height: 1;
}

.brand-name {
  display: flex;
  align-items: baseline;
  gap: 5px;
  font-family: var(--font-heading);
  font-size: clamp(0.95rem, 1.3vw, 1.22rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.02em;
  white-space: nowrap;
}

.brand-advance {
  color: #000000;
}

.brand-precision {
  color: var(--blue-primary);
}

.brand-tech {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(0.55rem, 0.7vw, 0.68rem);
  font-weight: 800;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: #DC2626;
  line-height: 1;
  margin-top: 2px;
}

/* Footer on Dark Background */
.main-footer .brand-advance {
  color: #FFFFFF;
}

.main-footer .brand-precision {
  color: #38BDF8;
}

.main-footer .brand-tech {
  color: #EF4444;
}

.brand-tagline {
  display: none !important;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
}

.nav-item a {
  font-size: 0.925rem;
  font-weight: 600;
  color: var(--navy-muted);
  position: relative;
  padding: 6px 0;
  transition: color var(--transition-fast);
}

.nav-item a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--blue-primary);
  transition: width var(--transition-normal);
}

.nav-item a:hover, .nav-item a.active {
  color: var(--blue-primary);
}

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

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.nav-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-medium);
  background: var(--bg-surface);
  color: var(--navy-dark);
  transition: all var(--transition-fast);
  cursor: pointer;
  text-decoration: none;
  flex-shrink: 0;
}

.nav-icon-btn:hover {
  background: var(--blue-subtle);
  border-color: var(--blue-primary);
  color: var(--blue-primary);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}

.nav-icon-btn svg {
  stroke: currentColor;
  transition: stroke var(--transition-fast);
}


.mobile-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--navy-dark);
  min-height: 48px;
  min-width: 48px;
}

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 360px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 1050;
  box-shadow: -8px 0 32px rgba(15, 23, 42, 0.2);
  transition: right var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  padding: 24px;
}

.mobile-drawer.open {
  right: 0;
}

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 32px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
}

.drawer-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--navy-dark);
  cursor: pointer;
  padding: 8px;
}

.mobile-nav-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 32px;
}

.mobile-nav-links a {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--navy-dark);
  display: block;
}

.mobile-nav-links a.active {
  color: var(--blue-primary);
}

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: auto;
}

.drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(4px);
  z-index: 1040;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

/* --- 7. HERO SECTION --- */
.hero-section {
  position: relative;
  background: radial-gradient(circle at 85% 30%, rgba(2, 132, 199, 0.08) 0%, transparent 60%),
              linear-gradient(180deg, #FFFFFF 0%, #F8FAFC 100%);
  padding-top: clamp(40px, 6vw, 80px);
  padding-bottom: clamp(48px, 7vw, 100px);
  overflow: hidden;
  border-bottom: 1px solid var(--border-light);
}

.hero-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-size: 36px 36px;
  background-image: 
    linear-gradient(to right, rgba(2, 132, 199, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(2, 132, 199, 0.035) 1px, transparent 1px);
  pointer-events: none;
  z-index: 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  margin-bottom: 18px;
}

.hero-title {
  margin-bottom: 20px;
}

.hero-title .highlight {
  color: var(--blue-primary);
  position: relative;
  display: inline-block;
}

.hero-subtitle {
  font-size: clamp(1.05rem, 1.4vw, 1.2rem);
  line-height: 1.6;
  color: var(--text-secondary);
  margin-bottom: 32px;
  max-width: 600px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  width: 100%;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}

.stat-item {
  display: flex;
  flex-direction: column;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 2.2vw, 2rem);
  font-weight: 800;
  color: var(--navy-dark);
  line-height: 1.1;
}

.stat-number span {
  color: var(--accent-gold);
}

.stat-label {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-muted);
  margin-top: 4px;
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  background: #FFFFFF;
}

.hero-visual-card img {
  width: 100%;
  height: 440px;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.hero-visual-card:hover img {
  transform: scale(1.03);
}

.telemetry-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 12px 18px;
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 2;
  transition: transform var(--transition-normal);
}

.telemetry-card:hover {
  transform: translateY(-3px);
}

.telemetry-top {
  top: 20px;
  left: -20px;
}

.telemetry-bottom {
  bottom: 24px;
  right: -20px;
}

.telemetry-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  background: var(--blue-tint);
  color: var(--blue-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}

.telemetry-label {
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 600;
}

.telemetry-val {
  font-size: 1rem;
  font-weight: 700;
  color: var(--navy-dark);
}

/* --- 8. CLIENT MARQUEE --- */
.trust-marquee-section {
  background: var(--navy-dark);
  padding: 32px 0 36px;
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.marquee-heading {
  text-align: center;
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #94A3B8;
  margin-bottom: 24px;
}

.marquee-container {
  display: flex;
  width: 100%;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 8%, black 92%, transparent);
}

.marquee-track {
  display: flex;
  align-items: center;
  gap: 20px;
  animation: marqueeScroll 50s linear infinite;
  white-space: nowrap;
  padding: 8px 0;
  will-change: transform;
}

.marquee-track:hover {
  animation-play-state: paused;
}

.marquee-item {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 12px;
  padding: 10px 20px;
  height: 64px;
  min-width: 130px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
  transition: transform 0.28s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.28s ease, border-color 0.28s ease;
  flex-shrink: 0;
}

.marquee-item:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.32);
  border-color: rgba(56, 189, 248, 0.6);
}

.marquee-item img {
  max-height: 42px;
  max-width: 120px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  filter: contrast(102%);
  transition: filter 0.25s ease, transform 0.25s ease;
}

.marquee-item:hover img {
  transform: scale(1.05);
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

@media (max-width: 768px) {
  .trust-marquee-section {
    padding: 24px 0 28px;
  }
  .marquee-heading {
    font-size: 0.75rem;
    margin-bottom: 18px;
    padding: 0 16px;
  }
  .marquee-track {
    gap: 14px;
    animation-duration: 40s;
  }
  .marquee-item {
    height: 54px;
    min-width: 110px;
    padding: 8px 14px;
    border-radius: 10px;
  }
  .marquee-item img {
    max-height: 34px;
    max-width: 100px;
  }
}

/* --- 9. PILLARS GRID --- */
.pillars-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.pillar-card {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  padding: clamp(28px, 4vw, 44px);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.pillar-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--border-light);
  transition: background var(--transition-normal);
}

.pillar-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--border-focus);
}

.pillar-card.pillar-repair:hover::before {
  background: var(--accent-gradient);
}

.pillar-card.pillar-trading:hover::before {
  background: var(--blue-primary);
}

.pillar-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 24px;
}

.pillar-repair .pillar-icon {
  background: var(--accent-soft);
  color: var(--accent-hover);
}

.pillar-trading .pillar-icon {
  background: var(--blue-tint);
  color: var(--blue-primary);
}

.pillar-title {
  margin-bottom: 12px;
  font-size: 1.5rem;
}

.pillar-desc {
  margin-bottom: 24px;
  font-size: 0.975rem;
}

.pillar-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}

.pillar-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.925rem;
  color: var(--text-secondary);
}

.pillar-features li svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--blue-primary);
}

.pillar-card.pillar-repair .pillar-features li svg {
  color: var(--accent-gold);
}

.pillar-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--border-light);
}

/* --- 10. PRODUCT SHOWCASE & CARDS --- */
.category-filter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 12px;
  margin-bottom: 36px;
  scrollbar-width: thin;
}

.filter-btn {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast);
  min-height: 40px;
}

.filter-btn:hover {
  border-color: var(--blue-primary);
  color: var(--blue-primary);
}

.filter-btn.active {
  background: var(--navy-dark);
  color: #FFFFFF;
  border-color: var(--navy-dark);
  box-shadow: var(--shadow-sm);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}

.product-card {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  cursor: pointer;
}

.product-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: #CBD5E1;
}

.product-img-wrap {
  position: relative;
  width: 100%;
  height: 220px;
  background: #F8FAFC;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-light);
}

.product-img-wrap img {
  max-width: 85%;
  max-height: 85%;
  object-fit: contain;
  transition: transform var(--transition-smooth);
}

.product-card:hover .product-img-wrap img {
  transform: scale(1.06);
}

.product-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  font-size: 0.725rem;
  font-weight: 700;
  color: var(--blue-deep);
  border: 1px solid var(--border-light);
  z-index: 2;
}

.photo-count-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  background: rgba(10, 25, 47, 0.88);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
  border: 1px solid rgba(255, 255, 255, 0.15);
  z-index: 2;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.25);
  pointer-events: none;
}

.product-body {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  font-weight: 600;
  margin-bottom: 6px;
}

.product-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy-dark);
  margin-bottom: 12px;
  line-height: 1.3;
}

.product-specs {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
  font-size: 0.85rem;
  color: var(--text-secondary);
}

.spec-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-light);
  padding-bottom: 4px;
}

.spec-key {
  color: var(--text-muted);
}

.spec-val {
  font-weight: 600;
  color: var(--navy-dark);
}

.product-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 14px;
  border-top: 1px solid var(--border-light);
}

.product-price {
  display: none !important;
}

.product-quote-label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted, #64748B);
  background: transparent !important;
  border: none !important;
  padding: 0 !important;
  box-shadow: none !important;
  display: inline-block;
}

/* --- 11. BALL SCREW REPAIR PROTOCOL --- */
.repair-protocol-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.comparison-box {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.comparison-img {
  width: 100%;
  height: auto;
  display: block;
}

.comparison-footer {
  padding: 16px 20px;
  background: var(--bg-surface);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  font-size: 0.875rem;
  font-weight: 600;
}

.protocol-steps {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.protocol-step {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.step-num {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--blue-tint);
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  border: 1px solid #BAE6FD;
}

.step-content h4 {
  font-size: 1.1rem;
  margin-bottom: 4px;
}

.step-content p {
  font-size: 0.925rem;
}

/* --- 12. DIAGNOSTIC CALCULATOR --- */
.diagnostic-calculator {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-lg);
  padding: clamp(20px, 4vw, 48px);
  max-width: 100%;
  box-sizing: border-box;
  overflow: hidden;
}

.calculator-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  min-width: 0;
  width: 100%;
}

.calculator-grid > * {
  min-width: 0;
  max-width: 100%;
}

.form-group {
  margin-bottom: 20px;
  min-width: 0;
  max-width: 100%;
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy-dark);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--border-light);
  background: #FFFFFF;
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all var(--transition-fast);
  min-height: 48px;
  box-sizing: border-box;
}

select.form-control {
  white-space: normal;
  word-break: normal;
  text-overflow: ellipsis;
}

select.form-control option {
  white-space: normal;
}

.form-control:focus {
  border-color: var(--blue-primary);
  outline: none;
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.diagnostic-result-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: clamp(16px, 3vw, 28px);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-width: 0;
  max-width: 100%;
  box-sizing: border-box;
}

.result-header {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border-light);
  margin-bottom: 20px;
}

.result-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--navy-dark);
  word-break: break-word;
  overflow-wrap: break-word;
  line-height: 1.35;
}

.result-specs-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.result-spec-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 0.9rem;
}

.result-spec-item span:first-child {
  color: var(--text-muted);
}

.result-spec-item span:last-child {
  font-weight: 700;
  color: var(--navy-dark);
}

/* --- 13. TESTIMONIALS --- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.testimonial-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: transform var(--transition-normal);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.rating-stars {
  display: flex;
  gap: 4px;
  color: #F59E0B;
  margin-bottom: 16px;
  font-size: 1.1rem;
}

.testimonial-text {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 24px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  border-top: 1px solid var(--border-light);
  padding-top: 16px;
}

.author-avatar {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-full);
  background: var(--blue-tint);
  color: var(--blue-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
}

.author-info h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 2px;
}

.author-info p {
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* --- 14. B2B RFQ & MODALS --- */
.rfq-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: clamp(28px, 4vw, 48px);
}

.rfq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.rfq-grid .full-width {
  grid-column: span 2;
}

.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.modal-overlay.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-lg);
  max-width: 680px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.modal-overlay.active .modal-dialog {
  transform: translateY(0);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
}

.modal-body {
  padding: 24px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.4rem;
  cursor: pointer;
  color: var(--navy-dark);
}

/* --- 15. SPECS DRAWER & MULTI-IMAGE GALLERY (LAZY LOADED ON CLICK) --- */
.specs-drawer {
  position: fixed;
  top: 0;
  right: -100%;
  width: 100%;
  max-width: 580px;
  height: 100vh;
  background: #FFFFFF;
  z-index: 2010;
  box-shadow: -10px 0 36px rgba(15, 23, 42, 0.25);
  transition: right var(--transition-smooth);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

.specs-drawer.open {
  right: 0;
}

.specs-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.specs-drawer-body {
  padding: 24px;
  flex-grow: 1;
}

/* Interactive Multi-Image Gallery */
.drawer-gallery {
  margin-bottom: 24px;
}

.drawer-main-img-wrap {
  background: #F8FAFC;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  position: relative;
  min-height: 260px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
}

.drawer-main-img-wrap img {
  max-height: 240px;
  max-width: 100%;
  object-fit: contain;
  transition: opacity var(--transition-fast);
}

.drawer-thumbnails-strip {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.thumbnail-item {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  border-radius: var(--radius-sm);
  border: 2px solid var(--border-light);
  padding: 4px;
  background: #FFFFFF;
  cursor: pointer;
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  justify-content: center;
}

.thumbnail-item:hover {
  border-color: var(--blue-primary);
  transform: translateY(-2px);
}

.thumbnail-item.active {
  border-color: var(--accent-gold);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.thumbnail-item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.gallery-count-tag {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(15, 23, 42, 0.75);
  color: #FFFFFF;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0;
  font-size: 0.9rem;
}

.spec-table th, .spec-table td {
  padding: 10px 14px;
  border: 1px solid var(--border-light);
  text-align: left;
}

.spec-table th {
  background: var(--bg-subtle);
  font-weight: 700;
  color: var(--navy-dark);
  width: 40%;
}

/* --- 16. FLOATING DOCK & MOBILE ACTIONS --- */
.floating-dock {
  position: fixed;
  bottom: 28px;
  right: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  z-index: 990;
}

.floating-btn {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
  text-decoration: none;
}

.floating-btn:hover {
  transform: translateY(-4px) scale(1.05);
}

.floating-btn.float-whatsapp {
  background-color: var(--whatsapp-green);
  box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.floating-btn.float-phone {
  background-color: var(--blue-primary);
  box-shadow: 0 6px 20px rgba(2, 132, 199, 0.4);
}

.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: #FFFFFF;
  box-shadow: 0 -4px 16px rgba(15, 23, 42, 0.12);
  border-top: 1px solid var(--border-light);
  padding: 10px 16px;
  z-index: 999;
}

.mobile-bottom-bar .bar-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

/* --- 17. FOOTER --- */
.main-footer {
  background: var(--navy-dark);
  color: #94A3B8;
  padding-top: clamp(48px, 6vw, 80px);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: clamp(28px, 4vw, 56px);
  padding-bottom: clamp(36px, 5vw, 60px);
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.925rem;
  color: #94A3B8;
  line-height: 1.6;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.05rem;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background: var(--accent-gold);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #94A3B8;
  font-size: 0.9rem;
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
  color: #FFFFFF;
  padding-left: 4px;
}

.footer-statutory {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 0.85rem;
  color: #CBD5E1;
}

.statutory-item {
  display: flex;
  flex-direction: column;
}

.statutory-label {
  font-size: 0.725rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: #64748B;
}

.footer-bottom {
  padding: 24px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.825rem;
}

.footer-bottom .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

/* --- 18. RESPONSIVE UTILITY GRIDS & TABLES --- */
.grid-2col-responsive {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: start;
}

.grid-3col-responsive {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.form-row-responsive {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.table-responsive {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  background: #FFFFFF;
}

.table-responsive .spec-table {
  min-width: 540px;
  margin-bottom: 0;
}

.scroll-hint {
  display: none;
  font-size: 0.75rem;
  color: var(--text-muted);
  text-align: right;
  margin-bottom: 8px;
  font-style: italic;
}

/* --- 19. RESPONSIVE BREAKPOINTS --- */
@media (max-width: 1199px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .hero-content { order: 1; }
  .hero-visual { order: 2; max-width: 600px; margin: 0 auto; }
  .pillars-grid { grid-template-columns: 1fr; }
  .calculator-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 991px) {
  .nav-links, .nav-actions > .btn { display: none; }
  .mobile-toggle { display: flex; align-items: center; justify-content: center; }
  .hero-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .repair-protocol-grid { grid-template-columns: 1fr; }
  .grid-2col-responsive { grid-template-columns: 1fr; gap: 32px; }
  .grid-3col-responsive { grid-template-columns: repeat(2, 1fr); gap: 20px; }
}

@media (max-width: 767px) {
  .top-bar { display: none; }
  .brand-logo { gap: 8px; }
  .brand-logo img { height: 32px; width: auto; }
  .brand-name { font-size: clamp(0.78rem, 3.2vw, 0.95rem); gap: 4px; line-height: 1.05; }
  .brand-tech { font-size: clamp(0.48rem, 1.8vw, 0.58rem); letter-spacing: 0.22em; margin-top: 1px; }
  .brand-tagline { display: none !important; }
  .rfq-cart-btn-text { display: none; }
  .rfq-cart-btn { padding: 6px 10px; min-height: 36px; font-size: 0.85rem; }
  .mobile-toggle { width: 38px; height: 38px; }
  .grid-2col-responsive { grid-template-columns: 1fr; gap: 24px; }
  .grid-3col-responsive { grid-template-columns: 1fr; gap: 16px; }
  .form-row-responsive { grid-template-columns: 1fr; gap: 12px; }
  .scroll-hint { display: block; }
  .hero-ctas { flex-direction: column; width: 100%; }
  .hero-ctas .btn { width: 100%; }
  .hero-visual-card img { height: 260px; }
  .telemetry-top { left: 8px; top: 8px; }
  .telemetry-bottom { right: 8px; bottom: 8px; }
  .rfq-grid { grid-template-columns: 1fr; }
  .rfq-grid .full-width { grid-column: span 1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom .container { flex-direction: column; text-align: center; }
  .mobile-bottom-bar { display: block; }
  .floating-dock { display: none; }
  body { padding-bottom: 68px; }
  .calculator-grid { grid-template-columns: 1fr; gap: 20px; }
  .diagnostic-calculator { padding: 18px 14px; border-radius: var(--radius-md); }
  .diagnostic-result-card { padding: 18px 14px; }
  .result-title { font-size: 1.05rem; }
  #calcWhatsAppBtn {
    padding: 12px 14px;
    font-size: 0.92rem;
    line-height: 1.35;
    text-align: center;
  }
  .result-spec-item { flex-direction: column; gap: 2px; }
  .result-spec-item span:last-child { text-align: left; }
}