/* ==========================================================================
   Q2LUBS MODERN INDUSTRIAL DESIGN SYSTEM
   Brand Colors: Dark Slate, Navy, Precision Gold/Amber, Electric Ice Blue
   ========================================================================== */

:root {
  /* Palette Tokens */
  --bg-darkest: #070d18;
  --bg-dark: #0c1626;
  --bg-surface: #132238;
  --bg-surface-elevated: #1a2f4c;
  --bg-card: rgba(19, 34, 56, 0.75);
  --bg-glass: rgba(15, 26, 44, 0.65);
  
  --primary-gold: #f59e0b;
  --primary-amber: #eab308;
  --primary-gold-glow: rgba(245, 158, 11, 0.25);
  --accent-gold-gradient: linear-gradient(135deg, #fbbf24 0%, #d97706 100%);
  
  --ice-blue: #38bdf8;
  --ice-blue-glow: rgba(56, 189, 248, 0.2);
  --emerald-success: #10b981;
  --emerald-glow: rgba(16, 185, 129, 0.2);
  
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --text-inverse: #0f172a;
  
  --border-light: rgba(255, 255, 255, 0.08);
  --border-gold: rgba(245, 158, 11, 0.35);
  --border-glass: rgba(255, 255, 255, 0.12);
  
  --font-display: 'Outfit', sans-serif;
  --font-sans: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.5);
  --shadow-gold: 0 10px 30px rgba(245, 158, 11, 0.2);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Overrides */
[data-theme="light"] {
  --bg-darkest: #f1f5f9;
  --bg-dark: #e2e8f0;
  --bg-surface: #ffffff;
  --bg-surface-elevated: #f8fafc;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-glass: rgba(255, 255, 255, 0.85);
  
  --primary-gold: #d97706;
  --primary-amber: #b45309;
  --primary-gold-glow: rgba(217, 119, 6, 0.15);
  
  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;
  --text-inverse: #ffffff;
  
  --border-light: rgba(0, 0, 0, 0.1);
  --border-gold: rgba(217, 119, 6, 0.35);
  --border-glass: rgba(0, 0, 0, 0.08);
  
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.1);
  --shadow-gold: 0 10px 30px rgba(217, 119, 6, 0.15);
}

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

html, body {
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  position: relative;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-darkest);
  color: var(--text-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  word-wrap: break-word;
  overflow-wrap: break-word;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
  color: var(--text-main);
  overflow-wrap: break-word;
  word-break: break-word;
}

p {
  color: var(--text-muted);
  overflow-wrap: break-word;
}

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

a:hover {
  color: #fde047;
}

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

/* Layout Utilities */
.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.section {
  padding: 6rem 0;
  position: relative;
}

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

.section-header {
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--primary-gold);
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.75rem;
}

.section-title {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.section-desc {
  font-size: 1.1rem;
  color: var(--text-muted);
}

.gradient-text {
  background: var(--accent-gold-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background: var(--accent-gold-gradient);
  color: var(--text-inverse);
  box-shadow: 0 4px 16px rgba(245, 158, 11, 0.3);
}

.btn-primary:hover {
  color: var(--text-inverse);
  transform: translateY(-2px);
  box-shadow: 0 6px 22px rgba(245, 158, 11, 0.45);
}

.btn-outline-gold {
  background: rgba(245, 158, 11, 0.08);
  border-color: var(--border-gold);
  color: var(--primary-gold);
}

.btn-outline-gold:hover {
  background: var(--primary-gold);
  color: var(--text-inverse);
  border-color: var(--primary-gold);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--border-glass);
  color: var(--text-main);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  color: var(--text-main);
}

.btn-glass {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  color: var(--text-main);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.18);
  color: var(--text-main);
  transform: translateY(-2px);
}

.btn-gold-ghost {
  background: transparent;
  color: var(--primary-gold);
  padding: 0.4rem 0.8rem;
  font-size: 0.85rem;
}

.btn-gold-ghost:hover {
  color: var(--text-main);
  gap: 0.75rem;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

.btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
}

.btn-block {
  width: 100%;
}

/* Badges */
.badge-gold {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-gold);
  border: 1px solid var(--border-gold);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.badge-amber {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  background: rgba(245, 158, 11, 0.15);
  color: #fbbf24;
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  line-height: 1.2;
}

.status-pass {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
  gap: 0.35rem;
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.35);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 600;
}

.status-pass i {
  width: 14px;
  height: 14px;
}

/* ==========================================================================
   TOP BAR & HEADER
   ========================================================================== */
.top-bar {
  background: var(--bg-darkest);
  border-bottom: 1px solid var(--border-light);
  font-size: 0.82rem;
  padding: 0.45rem 0;
  color: var(--text-dim);
}

.top-bar-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.top-info, .top-contact {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.top-info span, .top-contact span {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.top-info i, .top-contact i {
  width: 14px;
  height: 14px;
  color: var(--primary-gold);
}

.divider {
  color: var(--border-light);
}

.top-phone {
  color: var(--text-main);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-weight: 500;
}

.top-phone:hover {
  color: var(--primary-gold);
}

/* Main Navigation */
.main-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-fast);
}

.nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
  max-width: 1360px;
}

/* Brand Logo Styling */
.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  position: relative;
  width: 46px;
  height: 46px;
  background: linear-gradient(135deg, var(--bg-surface-elevated) 0%, var(--bg-dark) 100%);
  border: 1.5px solid var(--primary-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(245, 158, 11, 0.25);
  transition: transform var(--transition-fast);
}

.brand-logo:hover .logo-mark {
  transform: scale(1.05);
}

.q2-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.55rem;
  color: var(--text-main);
  position: relative;
  letter-spacing: -0.02em;
}

.q2-text .drop {
  color: var(--primary-gold);
}

.oil-droplet-glow {
  position: absolute;
  bottom: -4px;
  right: -4px;
  width: 10px;
  height: 10px;
  background: var(--primary-gold);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
  box-shadow: 0 0 12px var(--primary-gold);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-title-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--text-main);
  line-height: 1.1;
}

.brand-badge {
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 700;
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-gold);
  border: 1px solid rgba(245, 158, 11, 0.35);
  padding: 0.15rem 0.45rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.brand-tagline {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--text-dim);
}

/* Nav Menu: Floating Pill Group */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  padding: 0.35rem 0.6rem;
  border-radius: var(--radius-full);
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 600;
  color: #94a3b8;
  transition: all var(--transition-fast);
  padding: 0.5rem 0.95rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  text-decoration: none;
}

.nav-link i {
  width: 15px;
  height: 15px;
  opacity: 0.7;
  transition: opacity var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover, .nav-link.active {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.09);
}

.nav-link:hover i, .nav-link.active i {
  opacity: 1;
  color: var(--primary-gold);
}

.nav-link::after {
  display: none;
}

/* Action Buttons in Nav */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

.btn-nav {
  padding: 0.6rem 1.15rem;
  font-size: 0.88rem;
  border-radius: var(--radius-full);
}

.btn-nav i {
  width: 16px;
  height: 16px;
}

.mobile-toggle {
  display: none;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-main);
  cursor: pointer;
  padding: 0.6rem;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: calc(100vh - 120px);
  display: flex;
  align-items: center;
  padding: 4rem 0 6rem 0;
  background: radial-gradient(circle at 75% 30%, rgba(245, 158, 11, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 20% 70%, rgba(56, 189, 248, 0.05) 0%, transparent 50%),
              var(--bg-darkest);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  inset: 0;
  background-image: 
    radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 4rem;
  align-items: center;
  position: relative;
  z-index: 10;
}

.premium-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1rem;
  background: rgba(245, 158, 11, 0.12);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-gold);
  margin-bottom: 1.5rem;
}

.premium-badge i {
  width: 16px;
  height: 16px;
}

.hero-title {
  font-size: 3.5rem;
  line-height: 1.15;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.hero-desc {
  font-size: 1.2rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 2.25rem;
  max-width: 580px;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  padding: 1.25rem 0;
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

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

.stat-num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--text-main);
}

.stat-label {
  font-size: 0.82rem;
  color: var(--text-dim);
}

.hero-cta-group {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Hero Visual / Spotlight Card */
.product-spotlight-card {
  position: relative;
  background: radial-gradient(circle at 50% 30%, var(--bg-surface-elevated) 0%, var(--bg-card) 100%);
  border: 1px solid rgba(245, 158, 11, 0.3);
  border-radius: 24px;
  padding: 2.5rem 2rem 3rem 2rem;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.7), 0 0 30px rgba(245, 158, 11, 0.1);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 480px;
}

.spotlight-glow {
  position: absolute;
  top: 45%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(245, 158, 11, 0.28) 0%, rgba(56, 189, 248, 0.05) 50%, transparent 70%);
  border-radius: 50%;
  filter: blur(50px);
  pointer-events: none;
}

.spotlight-header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  z-index: 5;
}

.spot-tag {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.35);
  color: var(--text-main);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.spot-tag i {
  width: 14px;
  height: 14px;
}

.spot-grade {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--primary-gold);
  font-weight: 700;
}

/* Hero Spotlight / Dual Products Showcase */
.hero-dual-products {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  width: 100%;
  z-index: 5;
  margin: 0.5rem 0 1rem 0;
}

.hero-prod-mini {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem 1.5rem;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.hero-prod-mini:hover {
  border-color: var(--border-gold);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.mini-prod-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.mini-prod-header h4 {
  font-size: 1.15rem;
  margin: 0;
  color: var(--text-main);
}

.mini-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 4px;
  letter-spacing: 0.05em;
}

.mini-tag.gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-gold);
  border: 1px solid var(--border-gold);
}

.mini-tag.blue {
  background: rgba(56, 189, 248, 0.15);
  color: var(--ice-blue);
  border: 1px solid rgba(56, 189, 248, 0.3);
}

.mini-prod-sub {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin: 0;
}

.mini-prod-specs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin: 0.25rem 0 0.5rem 0;
}

.mini-prod-specs span {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.mini-prod-specs i {
  width: 14px;
  height: 14px;
  color: var(--emerald-success);
}

.fb-icon-box {
  width: 32px;
  height: 32px;
  background: rgba(245, 158, 11, 0.15);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  flex-shrink: 0;
}

.floating-benefit-tag {
  position: absolute;
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(245, 158, 11, 0.3);
  padding: 0.75rem 1.1rem;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 0.85rem;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.5);
  z-index: 10;
}

.floating-benefit-tag strong {
  display: block;
  font-size: 0.88rem;
  color: var(--text-main);
}

.floating-benefit-tag small {
  font-size: 0.76rem;
  color: var(--text-dim);
}

.fb-1 {
  bottom: -15px;
  left: -25px;
  animation: floatSlow 4s ease-in-out infinite alternate;
}

.fb-2 {
  top: 75px;
  right: -30px;
  animation: floatSlow 4.5s ease-in-out infinite alternate-reverse;
}
@keyframes floatSlow {
  0% { transform: translateY(0); }
  100% { transform: translateY(-8px); }
}

/* ==========================================================================
   FEATURES / HIGHLIGHTS SECTION
   ========================================================================== */
.highlights-section {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-light);
  border-bottom: 1px solid var(--border-light);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.25rem 1.75rem;
  transition: all var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-4px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
  background: rgba(26, 47, 76, 0.7);
}

.feature-icon-wrapper {
  width: 52px;
  height: 52px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
  color: var(--primary-gold);
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
}

.feature-card p {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.card-metric {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--ice-blue);
  background: rgba(56, 189, 248, 0.08);
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  align-self: flex-start;
}

/* ==========================================================================
   PRODUCT PORTFOLIO SECTION
   ========================================================================== */
.product-section {
  background: var(--bg-darkest);
}

.products-dual-grid {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.product-banner {
  background: linear-gradient(135deg, var(--bg-surface), var(--bg-card));
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.product-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--accent-gold-gradient);
}

.product-banner-qc30::before {
  background: linear-gradient(135deg, #38bdf8 0%, #0284c7 100%);
}

.product-badge-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1rem;
}

.badge-gold {
  background: rgba(245, 158, 11, 0.15);
  color: var(--primary-gold);
  border: 1px solid var(--border-gold);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: inline-block;
}

.badge-blue {
  background: rgba(56, 189, 248, 0.15);
  color: var(--ice-blue);
  border: 1px solid rgba(56, 189, 248, 0.35);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  display: inline-block;
}

.badge-sub {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text-dim);
  border: 1px solid var(--border-light);
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
}

.product-banner-left h2 {
  font-size: 2.75rem;
  margin-bottom: 0.25rem;
}

.product-subtitle {
  font-size: 1.15rem;
  color: var(--primary-gold);
  font-weight: 600;
  margin-bottom: 1.25rem;
}

.product-banner-qc30 .product-subtitle {
  color: var(--ice-blue);
}

.product-banner-left p {
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--text-muted);
  margin-bottom: 1.75rem;
}

.spec-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 2rem;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--text-main);
}

.pill i {
  width: 15px;
  height: 15px;
  color: var(--emerald-success);
}

.banner-cta {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

/* Technical Snapshot Card */
.tech-spec-snapshot {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.tech-spec-snapshot h4 {
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-main);
}

.snapshot-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  flex-grow: 1;
}

.snapshot-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.88rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
}

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

.snap-val {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--text-main);
  text-align: right;
}

.snapshot-footer {
  margin-top: 1.25rem;
  text-align: right;
}

/* ==========================================================================
   APPLICATIONS SECTION
   ========================================================================== */
.applications-section {
  background: var(--bg-darkest);
}

.applications-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}

.app-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2rem;
  transition: all var(--transition-fast);
  position: relative;
}

.app-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-glass);
  background: var(--bg-surface-elevated);
}

.app-icon {
  width: 44px;
  height: 44px;
  background: rgba(56, 189, 248, 0.1);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ice-blue);
  margin-bottom: 1.25rem;
}

.app-card h3 {
  font-size: 1.2rem;
  margin-bottom: 0.6rem;
}

.app-card p {
  font-size: 0.92rem;
  margin-bottom: 1.25rem;
}

.app-tag {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--primary-gold);
  background: rgba(245, 158, 11, 0.08);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-sm);
  display: inline-block;
  font-weight: 600;
}

/* ==========================================================================
   SPECS & MSDS DATA EXPLORER (TABBED)
   ========================================================================== */
.specs-section {
  background: var(--bg-darkest);
}

.specs-wrapper {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.tab-header {
  display: flex;
  background: rgba(8, 15, 26, 0.9);
  border-bottom: 1px solid var(--border-light);
  overflow-x: auto;
}

.tab-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  padding: 1.25rem 2rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: all var(--transition-fast);
  border-bottom: 3px solid transparent;
  white-space: nowrap;
}

.tab-btn:hover {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.02);
}

.tab-btn.active {
  color: var(--primary-gold);
  border-bottom-color: var(--primary-gold);
  background: rgba(245, 158, 11, 0.06);
}

.tab-pane {
  display: none;
  padding: 2.5rem;
}

.tab-pane.active {
  display: block;
}

/* Table Toolbar */
.table-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.search-box {
  position: relative;
  width: 360px;
  max-width: 100%;
  display: flex;
  align-items: center;
}

.search-box i {
  position: absolute;
  left: 14px;
  width: 18px;
  height: 18px;
  color: var(--primary-gold);
  pointer-events: none;
  z-index: 2;
}

.search-box input {
  width: 100%;
  background: var(--bg-card);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem 0.75rem 2.75rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: all var(--transition-fast);
}

.search-box input:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.toolbar-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.standard-pill {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 600;
  background: rgba(56, 189, 248, 0.1);
  color: var(--ice-blue);
  border: 1px solid rgba(56, 189, 248, 0.25);
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.standard-pill i {
  width: 16px;
  height: 16px;
}

/* Custom Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

.custom-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  text-align: left;
}

.custom-table th {
  background: rgba(8, 15, 26, 0.95);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 1.1rem 1.25rem;
  border-bottom: 2px solid rgba(255, 255, 255, 0.08);
  white-space: nowrap;
}

.custom-table td {
  padding: 1.1rem 1.25rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  font-size: 0.92rem;
  vertical-align: middle;
}

.custom-table tbody tr:hover {
  background: rgba(245, 158, 11, 0.03);
}

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

.subtext {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-top: 0.2rem;
}

/* MSDS Cards Grid */
.msds-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.msds-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.75rem;
}

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

.msds-card-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.msds-card-header i {
  color: var(--primary-gold);
  width: 22px;
  height: 22px;
}

.msds-card-header h3 {
  font-size: 1.15rem;
}

.bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: 0.92rem;
  color: var(--text-muted);
}

.bullet-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
}

.bullet-list li i {
  width: 18px;
  height: 18px;
  color: var(--primary-gold);
  flex-shrink: 0;
  margin-top: 2px;
}

/* Usage Grid */
.usage-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
}

.usage-card {
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.u-icon {
  width: 48px;
  height: 48px;
  background: rgba(245, 158, 11, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  margin-bottom: 1.25rem;
}

.usage-card h3 {
  font-size: 1.35rem;
  margin-bottom: 1.5rem;
}

.step-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.step-list li {
  display: flex;
  gap: 1rem;
}

.step-num {
  width: 32px;
  height: 32px;
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-gold);
  color: var(--primary-gold);
  font-family: var(--font-mono);
  font-weight: 700;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.step-list strong {
  color: var(--text-main);
  font-size: 0.95rem;
}

.step-list p {
  font-size: 0.88rem;
  margin-top: 0.25rem;
}

/* ==========================================================================
   DILUTION CALCULATOR SECTION
   ========================================================================== */
.calc-section {
  background: radial-gradient(circle at 50% 50%, rgba(245, 158, 11, 0.05) 0%, transparent 70%),
              var(--bg-darkest);
}

.calc-box {
  background: var(--bg-card);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
  max-width: 960px;
  margin: 0 auto;
}

.calc-header {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 2.5rem auto;
}

.calc-tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--primary-gold);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.75rem;
}

.calc-tag i {
  width: 16px;
  height: 16px;
}

.calc-header h2 {
  font-size: 2.2rem;
  margin-bottom: 0.75rem;
}

.calc-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  margin-bottom: 2rem;
}

.calc-inputs {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  justify-content: center;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 0.5rem;
}

.input-with-icon {
  position: relative;
}

.input-with-icon i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  color: var(--text-dim);
}

.input-with-icon input, .input-with-icon select, .form-group input, .form-group select, .form-group textarea {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 0.85rem 1rem 0.85rem 2.8rem;
  color: var(--text-main);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: all var(--transition-fast);
}

.form-group input, .form-group select, .form-group textarea {
  padding-left: 1rem;
}

.input-with-icon input:focus, .input-with-icon select:focus, .form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary-gold);
  box-shadow: 0 0 0 3px rgba(245, 158, 11, 0.15);
}

.calc-results {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.result-card {
  background: var(--bg-surface-elevated);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.result-card.oil-result {
  border-left: 4px solid var(--primary-gold);
  background: linear-gradient(90deg, rgba(245, 158, 11, 0.08), transparent);
}

.result-card.water-result {
  border-left: 4px solid var(--ice-blue);
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.08), transparent);
}

.result-card.ratio-result {
  border-left: 4px solid var(--emerald-success);
  background: linear-gradient(90deg, rgba(16, 185, 129, 0.08), transparent);
}

.res-title {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}

.res-value {
  font-family: var(--font-display);
  font-size: 1.9rem;
  font-weight: 800;
  color: var(--text-main);
  margin: 0.2rem 0;
}

.res-value small {
  font-size: 1rem;
  color: var(--text-dim);
  font-weight: 500;
}

.res-sub {
  font-size: 0.8rem;
  color: var(--text-dim);
}

.calc-tip {
  background: rgba(245, 158, 11, 0.08);
  border: 1px dashed var(--border-gold);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 0.88rem;
  color: var(--text-main);
}

.calc-tip i {
  color: var(--primary-gold);
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

/* ==========================================================================
   PACKAGING SECTION
   ========================================================================== */
.packaging-section {
  background: var(--bg-darkest);
}

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

.pack-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  position: relative;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
}

.pack-card:hover {
  transform: translateY(-5px);
  border-color: var(--border-gold);
  box-shadow: var(--shadow-gold);
}

.pack-badge {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--accent-gold-gradient);
  color: var(--text-inverse);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
}

.pack-visual {
  display: flex;
  justify-content: center;
  margin-bottom: 1.5rem;
}

.drum-icon-box {
  width: 72px;
  height: 72px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
}

.drum-icon-box i {
  width: 36px;
  height: 36px;
}

.pack-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
  text-align: center;
}

.pack-type {
  font-size: 0.85rem;
  color: var(--primary-gold);
  text-align: center;
  margin-bottom: 1.75rem;
}

.pack-features {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.pack-features li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  color: var(--text-muted);
}

.pack-features li i {
  width: 16px;
  height: 16px;
  color: var(--emerald-success);
  flex-shrink: 0;
}

/* ==========================================================================
   CONTACT & SUPPLIER SECTION
   ========================================================================== */
.contact-section {
  background: var(--bg-dark);
}

.contact-card-main {
  background: var(--bg-surface);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  box-shadow: var(--shadow-lg);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 3.5rem;
}

.contact-info-col h2 {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.contact-info-col > p {
  font-size: 1rem;
  margin-bottom: 2rem;
}

.contact-details-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.c-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.c-icon {
  width: 44px;
  height: 44px;
  background: rgba(245, 158, 11, 0.1);
  border: 1px solid var(--border-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-gold);
  flex-shrink: 0;
}

.c-item strong {
  display: block;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 0.2rem;
}

.c-item p {
  font-size: 0.9rem;
  line-height: 1.5;
}

.text-gold {
  color: var(--primary-gold);
}

.phone-link, .email-link {
  color: var(--text-main);
  font-weight: 600;
}

.phone-link:hover, .email-link:hover {
  color: var(--primary-gold);
}

.qr-box {
  background: rgba(8, 15, 26, 0.7);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.qr-graphic {
  width: 52px;
  height: 52px;
  background: #ffffff;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0f172a;
}

.qr-graphic i {
  width: 34px;
  height: 34px;
}

.qr-text strong {
  display: block;
  font-size: 0.9rem;
  color: var(--text-main);
}

.qr-text p {
  font-size: 0.8rem;
  color: var(--text-dim);
}

/* Quote Form Card */
.quote-form-card {
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.25rem;
}

.quote-form-card h3 {
  font-size: 1.45rem;
  margin-bottom: 0.4rem;
}

.quote-form-card > p {
  font-size: 0.88rem;
  margin-bottom: 1.75rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}

.form-group {
  margin-bottom: 1rem;
}

.form-success-banner {
  background: rgba(16, 185, 129, 0.15);
  border: 1px solid rgba(16, 185, 129, 0.3);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-top: 1.25rem;
  color: #ecfdf5;
}

.form-success-banner i {
  color: #34d399;
  width: 24px;
  height: 24px;
  flex-shrink: 0;
}

.form-success-banner p {
  color: #a7f3d0;
  font-size: 0.85rem;
  margin-top: 0.2rem;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
  background: var(--bg-darkest);
  border-top: 1px solid var(--border-light);
  padding: 4.5rem 0 0 0;
}

.footer-content {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
  border-bottom: 1px solid var(--border-light);
}

.footer-motto {
  font-size: 0.88rem;
  line-height: 1.6;
  margin-top: 1.25rem;
  max-width: 320px;
}

.footer-links h4, .footer-contact h4 {
  font-size: 1.05rem;
  margin-bottom: 1.25rem;
  color: var(--text-main);
}

.footer-links ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-links a, .footer-links span {
  font-size: 0.88rem;
  color: var(--text-muted);
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--primary-gold);
}

.footer-contact p {
  font-size: 0.88rem;
  line-height: 1.6;
}

.mt-2 {
  margin-top: 0.75rem;
}

.footer-bottom {
  padding: 1.5rem 0;
  background: var(--bg-dark);
}

.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.82rem;
  color: var(--text-dim);
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-badges {
  display: flex;
  gap: 0.75rem;
}

.badge-mini {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--border-light);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-mono);
}

/* ==========================================================================
   MODAL DIALOG
   ========================================================================== */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-backdrop.show {
  display: flex;
}

.modal-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-gold);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 800px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  animation: modalIn 0.25s ease-out;
}

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

.modal-header {
  padding: 1.5rem 2rem;
  background: rgba(8, 15, 26, 0.95);
  border-bottom: 1px solid var(--border-light);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title-group {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.modal-icon {
  width: 28px;
  height: 28px;
  color: var(--primary-gold);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.4rem;
  transition: color var(--transition-fast);
}

.modal-close:hover {
  color: var(--text-main);
}

.modal-body {
  padding: 2rem;
  overflow-y: auto;
  flex-grow: 1;
}

.modal-footer {
  padding: 1.25rem 2rem;
  background: rgba(8, 15, 26, 0.95);
  border-top: 1px solid var(--border-light);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

/* ==========================================================================
   RESPONSIVE DESIGN / MEDIA QUERIES
   ========================================================================== */
/* ==========================================================================
   RESPONSIVE DESIGN / MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  
  .product-banner {
    grid-template-columns: 1fr;
    padding: 2.5rem;
  }
  
  .features-grid, .applications-grid, .packaging-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 1rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .section-header {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: 1.85rem;
  }

  .section-desc {
    font-size: 0.95rem;
  }

  /* Top Bar Mobile Optimization */
  .top-bar {
    padding: 0.4rem 0;
    font-size: 0.72rem;
  }
  
  .top-bar-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.3rem;
  }
  
  .top-info {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
  }
  
  .top-info span:first-child {
    display: none; /* Hide long address in top bar on mobile */
  }

  .top-contact {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
  }
  
  .divider {
    display: none;
  }

  /* Header & Nav */
  .nav-container {
    height: 68px;
    padding: 0 1rem;
  }

  .brand-logo {
    gap: 0.6rem;
  }

  .logo-mark {
    width: 38px;
    height: 38px;
    border-radius: 10px;
  }

  .q2-text {
    font-size: 1.25rem;
  }

  .brand-title {
    font-size: 1.2rem;
  }

  .brand-badge {
    display: none;
  }

  .brand-tagline {
    font-size: 0.55rem;
    letter-spacing: 0.12em;
  }

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

  .mobile-toggle {
    display: flex !important;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: var(--bg-glass);
    border: 1px solid var(--border-gold);
    border-radius: 10px;
    color: var(--primary-gold);
    cursor: pointer;
  }

  .mobile-toggle i {
    width: 20px;
    height: 20px;
  }

  /* Mobile Slide-down Drawer Menu */
  .nav-menu {
    position: fixed;
    top: 68px;
    left: 0;
    width: 100%;
    height: calc(100vh - 68px);
    background: rgba(7, 13, 24, 0.98);
    backdrop-filter: blur(25px);
    -webkit-backdrop-filter: blur(25px);
    flex-direction: column;
    align-items: stretch;
    padding: 1.5rem;
    gap: 0.6rem;
    border-radius: 0;
    border: none;
    border-top: 1px solid var(--border-light);
    display: none;
    overflow-y: auto;
    z-index: 9999;
  }
  
  .nav-menu.open {
    display: flex;
    animation: menuSlide 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  }

  @keyframes menuSlide {
    from { opacity: 0; transform: translateY(-15px); }
    to { opacity: 1; transform: translateY(0); }
  }

  .nav-link {
    font-size: 1rem;
    padding: 0.85rem 1.15rem;
    border-radius: 12px;
    background: var(--bg-glass);
    border: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-main);
    width: 100%;
    justify-content: flex-start;
  }

  .nav-link i {
    width: 18px;
    height: 18px;
    opacity: 1;
    color: var(--primary-gold);
  }

  .nav-link:hover, .nav-link.active {
    background: rgba(245, 158, 11, 0.15);
    border-color: var(--border-gold);
    color: var(--text-main);
  }

  /* Hero Mobile Refinement */
  .hero-section {
    padding: 2.5rem 0 3rem 0;
    min-height: auto;
  }

  .hero-grid {
    gap: 2.5rem;
  }

  .premium-badge {
    font-size: 0.72rem;
    padding: 0.35rem 0.75rem;
    white-space: normal;
    text-align: left;
    margin-bottom: 1.25rem;
  }

  .hero-title {
    font-size: 2.15rem !important;
    line-height: 1.2;
    margin-bottom: 1rem;
    word-break: normal;
    overflow-wrap: break-word;
  }

  .hero-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .hero-stats {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 1rem;
    background: var(--bg-glass);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    margin-bottom: 1.75rem;
  }

  .stat-card {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    padding: 0.2rem 0;
  }

  .stat-card:not(:last-child) {
    border-bottom: 1px dashed rgba(255, 255, 255, 0.08);
    padding-bottom: 0.5rem;
  }

  .stat-num {
    font-size: 1.3rem;
  }

  .hero-cta-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
  }

  .hero-cta-group .btn {
    width: 100%;
    padding: 0.85rem 1.25rem;
  }

  /* Hero Drum Spotlight Mobile */
  .product-spotlight-card {
    padding: 1.75rem 1rem;
    min-height: auto;
    border-radius: 18px;
    overflow: hidden;
  }

  .spotlight-header {
    flex-direction: column;
    gap: 0.4rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
  }

  .drum-container-realistic {
    width: 150px;
    height: 200px;
    padding: 0.75rem;
  }

  .drum-core-label {
    padding: 0.85rem 0.5rem;
  }

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

  .drum-prod-title {
    font-size: 1rem;
  }

  .floating-benefit-tag {
    position: static;
    margin-top: 0.85rem;
    width: 100%;
    animation: none;
    padding: 0.65rem 0.85rem;
  }

  /* Grid Reductions */
  .features-grid, .applications-grid, .packaging-grid, .msds-grid, .usage-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
  
  .msds-card.full-width {
    grid-column: span 1;
  }
  
  .product-banner {
    padding: 1.75rem 1.25rem;
  }

  .product-banner-left h2 {
    font-size: 2rem;
  }

  .calc-box {
    padding: 1.75rem 1.25rem;
  }

  .calc-header h2 {
    font-size: 1.75rem;
  }

  .calc-body, .contact-grid, .form-row {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .contact-card-main {
    padding: 1.75rem 1.25rem;
  }

  .contact-info-col h2 {
    font-size: 1.75rem;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .table-toolbar {
    flex-direction: column;
    align-items: stretch;
    gap: 0.75rem;
  }
  
  .search-box {
    width: 100%;
  }

  .tab-header {
    flex-direction: column;
  }

  .tab-btn {
    padding: 0.85rem 1.25rem;
    border-bottom: none;
    border-left: 3px solid transparent;
  }

  .tab-btn.active {
    border-left-color: var(--primary-gold);
    border-bottom: none;
  }
}

/* Floating WhatsApp Button */
.theme-toggle-float {
  display: none;
}

.whatsapp-float {
  position: fixed;
  width: 60px;
  height: 60px;
  bottom: 40px;
  right: 40px;
  background-color: #25d366;
  color: var(--text-main);
  border-radius: 50px;
  text-align: center;
  font-size: 30px;
  box-shadow: 2px 2px 10px rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.3s ease, background-color 0.3s ease;
  animation: pulse 2s infinite;
}

.whatsapp-float:hover {
  background-color: #128C7E;
  transform: scale(1.1);
  color: var(--text-main);
  animation: none;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
  70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

@media (max-width: 768px) {
  .whatsapp-float {
    width: 50px;
    height: 50px;
    bottom: 20px;
    right: 20px;
  }
  .whatsapp-float svg {
    width: 24px;
    height: 24px;
  }

  .theme-toggle-float {
    display: flex;
    position: fixed;
    width: 50px;
    height: 50px;
    bottom: 80px;
    right: 20px;
    background-color: var(--bg-card);
    color: var(--primary-gold);
    border: 1px solid var(--border-gold);
    border-radius: 50%;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    z-index: 1000;
    cursor: pointer;
    transition: all var(--transition-fast);
  }
}

/* Ultra Small Mobile Layout Fixes */
@media (max-width: 480px) {
  * {
    max-width: 100vw;
  }
  
  html, body {
    overflow-x: hidden !important;
    width: 100%;
    margin: 0;
    padding: 0;
  }

  .container {
    padding: 0 0.75rem;
  }

  .hero-title {
    font-size: 1.7rem !important;
  }

  .section-title {
    font-size: 1.6rem !important;
  }

  .table-responsive {
    margin: 0 -0.75rem;
    padding: 0 0.75rem;
    width: 100vw;
    border-radius: 0;
    border-left: none;
    border-right: none;
  }

  .top-info, .top-contact {
    flex-direction: column;
    gap: 0.25rem;
  }

  .drum-container-realistic {
    transform: scale(0.9);
    transform-origin: center;
    margin: 0 auto;
  }

  /* Force wrap on all text */
  p, h1, h2, h3, h4, h5, h6, span, div, a {
    overflow-wrap: break-word !important;
    word-wrap: break-word !important;
    word-break: break-word !important;
  }

  /* Adjust grid padding */
  .features-grid, .applications-grid, .packaging-grid {
    gap: 1rem;
  }

  .feature-card, .application-card, .packaging-card {
    padding: 1.25rem;
  }
  
  .badge-gold, .premium-badge {
    white-space: normal;
    text-align: center;
    line-height: 1.4;
  }
}

/* Print Styles */
@media print {
  body {
    background: #ffffff !important;
    color: #000000 !important;
  }
  .top-bar, .main-header, .hero-section, .calc-section, .packaging-section, .contact-section, .main-footer, .nav-actions, .table-toolbar {
    display: none !important;
  }
  .specs-section {
    padding: 0;
  }
  .specs-wrapper {
    border: none;
    box-shadow: none;
  }
  .tab-pane {
    display: block !important;
    padding: 1rem 0;
  }
  .custom-table th, .custom-table td {
    color: #000 !important;
    border: 1px solid #ddd !important;
  }
}