/*
Theme Name: Nutan Print Pack Pro
Theme URI: https://nutanprintpack.com
Author: Nutan Groups Digital Team
Author URI: https://nutanprintpack.com
Description: High-performance, modern, SEO-optimized, mobile-responsive theme for Nutan Print Pack - Leading Manufacturer of Paper Carry Bags, Full-Color Bags, HM Plastic Bags, Retail Shopping Bags, and Folding Cartons/Boxes.
Version: 2.2.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 7.4
License: Proprietary
Text Domain: nutan-printpack
*/

/* ==========================================================================
   1. CSS Variables & Design Tokens
   ========================================================================== */
:root {
  --primary: #e61c24;
  --primary-dark: #c41219;
  --primary-light: #f87171;
  --primary-subtle: #fff1f2;
  --accent: #009fe3;
  --accent-hover: #0080b8;
  --accent-light: #e0f4fc;
  --secondary: #0f172a;
  --dark: #0f172a;
  --dark-surface: #1e293b;
  --light-bg: #f8fafc;
  --card-bg: #ffffff;
  --border-color: #e2e8f0;
  --border-focus: #e61c24;
  --text-main: #334155;
  --text-dark: #0f172a;
  --text-muted: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;

  /* CMYK Signature Registration Colors */
  --cmyk-cyan: #009fe3;
  --cmyk-magenta: #ec008c;
  --cmyk-yellow: #ffd400;
  --cmyk-black: #0f172a;
  
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 14px -2px rgba(15, 23, 42, 0.08), 0 3px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 14px 28px -4px rgba(15, 23, 42, 0.12), 0 8px 10px -4px rgba(0, 0, 0, 0.04);
  --shadow-xl: 0 24px 42px -6px rgba(15, 23, 42, 0.16), 0 12px 14px -6px rgba(0, 0, 0, 0.06);
  --shadow-glow: 0 0 22px rgba(230, 28, 36, 0.35);

  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-heading: 'Plus Jakarta Sans', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1240px;
}

/* ==========================================================================
   2. Reset & Mobile-First Foundation
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-main);
  background-color: var(--light-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  line-height: 1.25;
  font-weight: 700;
  margin-bottom: 0.75rem;
  word-wrap: break-word;
}

h1 { font-size: clamp(1.85rem, 4vw + 0.5rem, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw + 0.35rem, 2.35rem); letter-spacing: -0.015em; }
h3 { font-size: clamp(1.25rem, 2vw + 0.2rem, 1.65rem); }
h4 { font-size: 1.15rem; }
h5 { font-size: 1.05rem; }
h6 { font-size: 0.9rem; text-transform: uppercase; letter-spacing: 0.05em; }

p {
  margin-bottom: 1.25rem;
}

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

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

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

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

ul, ol {
  padding-left: 1.25rem;
  margin-bottom: 1.25rem;
}

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* ==========================================================================
   3. Buttons & Badges (Touch Optimized)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.8rem 1.65rem;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.975rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  text-align: center;
  white-space: nowrap;
  user-select: none;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-accent {
  background-color: var(--accent);
  color: #ffffff;
  border-color: var(--accent);
}

.btn-accent:hover {
  background-color: var(--accent-hover);
  border-color: var(--accent-hover);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
}

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

.btn-outline:hover {
  background-color: var(--primary);
  color: #ffffff;
}

.btn-outline-white {
  background-color: transparent;
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.85);
}

.btn-outline-white:hover {
  background-color: #ffffff;
  color: var(--primary);
}

.btn-sm {
  min-height: 38px;
  padding: 0.45rem 1rem;
  font-size: 0.875rem;
}

.btn-lg {
  min-height: 54px;
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.btn-whatsapp {
  background-color: #25d366 !important;
  border-color: #25d366 !important;
  color: #ffffff !important;
}

.btn-whatsapp:hover {
  background-color: #1eb956 !important;
  border-color: #1eb956 !important;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.badge-accent {
  background-color: var(--accent-light);
  color: var(--accent-hover);
  border: 1px solid rgba(224, 143, 36, 0.3);
}

.badge-primary {
  background-color: var(--primary-subtle);
  color: var(--primary);
  border: 1px solid rgba(230, 28, 36, 0.2);
}

.badge-white {
  background-color: rgba(255, 255, 255, 0.2);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(4px);
}

/* ==========================================================================
   4. Header & Navigation (Responsive & Brand-Aligned)
   ========================================================================== */
/* CMYK Signature Top Registration Strip */
.cmyk-top-strip {
  display: flex;
  height: 4px;
  width: 100%;
  position: relative;
  z-index: 1001;
}

.cmyk-top-strip span {
  flex: 1;
  height: 100%;
}

.cmyk-top-strip .cmyk-c { background-color: var(--cmyk-cyan); }
.cmyk-top-strip .cmyk-m { background-color: var(--cmyk-magenta); }
.cmyk-top-strip .cmyk-y { background-color: var(--cmyk-yellow); }
.cmyk-top-strip .cmyk-k { background-color: var(--cmyk-black); }

.top-bar {
  background-color: var(--dark);
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.85rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

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

.top-bar-contact {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.top-bar-contact a {
  color: rgba(255, 255, 255, 0.9);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

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

.top-bar-features {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.site-header {
  background-color: #ffffff;
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 2px 10px rgba(15, 23, 42, 0.06);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.75rem 0;
}

.site-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
}

.brand-logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  background: #ffffff;
  flex-shrink: 0;
}

.site-logo:hover .brand-logo-img {
  transform: rotate(6deg) scale(1.06);
}

.logo-symbol {
  width: 44px;
  height: 44px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-weight: 900;
  font-size: 1.45rem;
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

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

.logo-title {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.01em;
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.logo-nutan {
  color: var(--primary);
  font-weight: 900;
}

.logo-print {
  color: var(--accent);
  font-weight: 800;
}

.logo-pack {
  color: var(--dark);
  font-weight: 800;
}

.logo-tagline {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-menu {
  display: flex;
  list-style: none;
  align-items: center;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.nav-menu li {
  position: relative;
}

.nav-menu a {
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--dark-surface);
  padding: 0.5rem 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.nav-menu a:hover,
.nav-menu .current-menu-item > a {
  color: var(--accent);
}

.nav-cta {
  display: flex;
  align-items: center;
}

/* Mobile Header Actions */
.mobile-header-actions {
  display: none;
  align-items: center;
  gap: 0.5rem;
}

.mobile-action-btn {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  transition: var(--transition);
}

.mobile-call-btn {
  background: var(--primary-subtle);
  color: var(--primary);
}

.mobile-wa-btn {
  background: #25d366;
  color: #ffffff;
}

.mobile-toggle {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
  color: var(--primary);
}

.hamburger-box {
  width: 22px;
  height: 14px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.hamburger-inner,
.hamburger-box::before,
.hamburger-box::after {
  content: '';
  display: block;
  width: 100%;
  height: 2.2px;
  background-color: var(--primary);
  border-radius: 2px;
  transition: var(--transition);
}

/* Mobile Drawer */
.mobile-drawer-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background: rgba(15, 23, 42, 0.65);
  backdrop-filter: blur(4px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-drawer-overlay.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: min(85vw, 360px);
  height: 100vh;
  height: 100dvh;
  background: #ffffff;
  z-index: 1002;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.18);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  overflow-y: auto;
}

.mobile-nav-drawer.active {
  transform: translateX(0);
}

.mobile-drawer-header {
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: #ffffff;
  position: sticky;
  top: 0;
  z-index: 10;
}

.mobile-close-btn {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  font-size: 1.65rem;
  line-height: 1;
  color: var(--dark);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-drawer-body {
  padding: 1.5rem;
  flex-grow: 1;
}

.mobile-nav-heading {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.85rem;
}

.mobile-menu-list {
  list-style: none;
  padding: 0;
  margin: 0 0 1.5rem;
}

.mobile-menu-list li {
  margin-bottom: 0.4rem;
}

.mobile-menu-list a {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1rem;
  color: var(--dark);
  background-color: transparent;
  transition: var(--transition);
}

.mobile-menu-list a:hover,
.mobile-menu-list a.active {
  background-color: var(--primary-subtle);
  color: var(--primary);
}

.mobile-menu-list .menu-arrow {
  margin-left: auto;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.mobile-drawer-contact-box {
  background: var(--light-bg);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-top: 1rem;
}

.contact-box-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  display: block;
  margin-bottom: 0.25rem;
}

.contact-box-phone {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--primary);
  display: block;
  margin-bottom: 0.25rem;
}

.contact-box-hours {
  font-size: 0.8rem;
  color: var(--text-muted);
  display: block;
}

.mobile-drawer-footer {
  padding: 1.25rem 1.5rem;
  border-top: 1px solid var(--border-color);
  background: #ffffff;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* ==========================================================================
   5. Hero Section
   ========================================================================== */
.hero-section {
  position: relative;
  background: linear-gradient(135deg, #0b1120 0%, #0f172a 55%, #1e293b 100%);
  color: #ffffff;
  padding: 4.5rem 0 5.5rem;
  overflow: hidden;
}

.hero-section::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 650px;
  height: 650px;
  background: radial-gradient(circle, rgba(0, 159, 227, 0.18) 0%, rgba(230, 28, 36, 0.12) 50%, rgba(15, 23, 42, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-content h1 {
  color: #ffffff;
  margin-top: 1rem;
  margin-bottom: 1.25rem;
}

.hero-content h1 span {
  color: var(--accent);
}

.hero-subtitle {
  font-size: 1.15rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 2rem;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.5rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.15);
  padding-top: 2rem;
}

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

.stat-number {
  font-family: var(--font-heading);
  font-size: 1.95rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.1;
}

.stat-label {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.85);
  margin-top: 0.25rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

.hero-card h3 {
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.hero-card p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

/* ==========================================================================
   6. Sections & Grid Systems
   ========================================================================== */
.section {
  padding: 4.5rem 0;
}

.section-bg-alt {
  background-color: #ffffff;
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3rem;
}

.section-header .badge {
  margin-bottom: 0.75rem;
}

.section-header h2 {
  margin-bottom: 0.75rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--text-muted);
}

/* Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.75rem;
}

.category-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.85rem;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
  opacity: 0;
  transition: var(--transition);
}

.category-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.category-card:hover::before {
  opacity: 1;
}

.category-icon {
  width: 58px;
  height: 58px;
  background: var(--primary-subtle);
  color: var(--primary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.25rem;
  transition: var(--transition);
  flex-shrink: 0;
}

.category-card:hover .category-icon {
  background: var(--accent);
  color: #ffffff;
  transform: scale(1.05);
}

.category-card h3 {
  font-size: 1.3rem;
  margin-bottom: 0.65rem;
}

.category-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.category-features {
  list-style: none;
  padding: 0;
  margin-bottom: 1.5rem;
}

.category-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.85rem;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}

.category-features li svg {
  color: var(--success);
  flex-shrink: 0;
}

.category-card .card-link {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.category-card:hover .card-link {
  color: var(--accent);
  gap: 0.6rem;
}

/* Product Showcase Grid */
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 1.75rem;
}

.product-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sm);
}

.product-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15, 61, 62, 0.25);
}

.product-thumb {
  position: relative;
  background: #f1f5f9;
  height: 210px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.product-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.product-card:hover .product-thumb img {
  transform: scale(1.05);
}

.product-badge-overlay {
  position: absolute;
  top: 0.85rem;
  left: 0.85rem;
  z-index: 2;
}

.product-content {
  padding: 1.35rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-content h3 {
  font-size: 1.2rem;
  margin-bottom: 0.45rem;
}

.product-desc {
  font-size: 0.885rem;
  color: var(--text-muted);
  margin-bottom: 1rem;
  flex-grow: 1;
}

.product-specs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.45rem 0.85rem;
  background: var(--light-bg);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.15rem;
  font-size: 0.825rem;
}

.spec-row {
  display: flex;
  flex-direction: column;
}

.spec-label {
  color: var(--text-muted);
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
}

.spec-val {
  font-weight: 700;
  color: var(--dark-surface);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.product-actions {
  display: flex;
  gap: 0.65rem;
}

/* ==========================================================================
   7. Single Product Page Responsive Styles
   ========================================================================== */
.single-product-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 3rem;
  align-items: start;
  margin-bottom: 3.5rem;
}

.single-product-media {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  padding: 1.5rem;
  margin-bottom: 1.75rem;
  text-align: center;
}

.product-featured-img {
  border-radius: var(--radius-sm);
  margin: 0 auto;
  max-height: 420px;
  object-fit: contain;
}

.product-placeholder-icon {
  padding: 3.5rem 1.5rem;
  font-size: 4.5rem;
  background: var(--light-bg);
  border-radius: var(--radius-sm);
}

.single-product-sidebar {
  position: sticky;
  top: 90px;
}

.table-scroll-hint {
  display: none;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent);
}

/* ==========================================================================
   8. About Us & Industries Responsive Styles
   ========================================================================== */
.about-hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
  margin-bottom: 4rem;
}

.about-pillars {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-top: 1.75rem;
}

.pillar-item {
  border-left: 3px solid var(--accent);
  padding-left: 0.85rem;
}

.pillar-eco {
  border-left-color: var(--primary);
}

.pillar-item h4 {
  margin-bottom: 0.25rem;
  font-size: 1.05rem;
}

.pillar-item p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.about-stats-card {
  background: var(--primary);
  color: #ffffff;
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}

.about-stats-card h3 {
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.about-stats-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.about-stats-list li {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding-bottom: 0.65rem;
  font-size: 0.925rem;
}

.about-stats-list li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.about-stats-list span {
  color: rgba(255, 255, 255, 0.75);
}

/* Industries Sector Cards */
.industry-sector-list {
  display: flex;
  flex-direction: column;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.industry-sector-card {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 2.5rem;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
}

.industry-sector-reverse {
  grid-template-columns: 1.2fr 0.8fr;
}

.industry-sector-icon {
  padding: 3rem 1.5rem;
  border-radius: var(--radius-md);
  text-align: center;
  font-size: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   9. Interactive Calculator
   ========================================================================== */
.quote-calculator-section {
  background: linear-gradient(135deg, #0b1120 0%, #0f172a 100%);
  color: #ffffff;
  padding: 4.5rem 0;
  position: relative;
}

.calc-box {
  background: #ffffff;
  color: var(--text-main);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  box-shadow: var(--shadow-xl);
}

.calc-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 2rem;
}

.calc-form-group {
  margin-bottom: 1.15rem;
}

.calc-form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.885rem;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

.calc-form-group select,
.calc-form-group input,
.calc-form-group textarea,
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 16px; /* Prevents auto-zoom in iOS Safari */
  color: var(--text-dark);
  background-color: #ffffff;
  transition: var(--transition);
}

.calc-form-group select:focus,
.calc-form-group input:focus,
.calc-form-group textarea:focus,
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 61, 62, 0.15);
}

.calc-result-box {
  background: var(--light-bg);
  border: 2px dashed var(--primary);
  border-radius: var(--radius-md);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.calc-result-box h4 {
  color: var(--primary);
  margin-bottom: 0.5rem;
}

.calc-estimate-display {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--accent-hover);
  margin: 0.85rem 0;
  word-break: break-word;
}

/* ==========================================================================
   10. Infrastructure & Machinery
   ========================================================================== */
.machinery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.75rem;
}

.machinery-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.85rem;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

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

.machinery-card h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 0.35rem;
}

.machinery-card .capacity {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.85rem;
  display: block;
}

.machinery-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* ==========================================================================
   11. Industries We Serve Grid
   ========================================================================== */
.industries-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 1.25rem;
}

.industry-box {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.5rem 1rem;
  text-align: center;
  transition: var(--transition);
  box-shadow: var(--shadow-sm);
}

.industry-box:hover {
  background: var(--primary);
  color: #ffffff;
  border-color: var(--primary);
  transform: translateY(-4px);
}

.industry-box:hover h4,
.industry-box:hover p {
  color: #ffffff;
}

.industry-icon {
  font-size: 2.25rem;
  margin-bottom: 0.75rem;
}

.industry-box h4 {
  font-size: 1.05rem;
  margin-bottom: 0.25rem;
}

.industry-box p {
  font-size: 0.825rem;
  color: var(--text-muted);
}

/* ==========================================================================
   12. Testimonials & FAQs
   ========================================================================== */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.75rem;
}

.testimonial-card {
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  padding: 1.85rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-stars {
  color: #f59e0b;
  font-size: 1.1rem;
  margin-bottom: 0.85rem;
}

.testimonial-quote {
  font-style: italic;
  font-size: 0.95rem;
  color: var(--text-main);
  margin-bottom: 1.35rem;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.author-avatar {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--primary-subtle);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
}

.author-info h4 {
  font-size: 0.95rem;
  margin: 0;
}

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

/* FAQ Accordion */
.faq-accordion {
  max-width: 850px;
  margin: 0 auto;
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 0.85rem;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  padding: 1.15rem 1.35rem;
  background: none;
  border: none;
  text-align: left;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--text-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  gap: 1rem;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-icon {
  font-size: 1.25rem;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  display: none;
  padding: 0 1.35rem 1.15rem;
  color: var(--text-main);
  font-size: 0.925rem;
  border-top: 1px solid var(--border-color);
  padding-top: 0.85rem;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

/* ==========================================================================
   13. Page Headers & Content Layouts
   ========================================================================== */
.page-hero {
  background: linear-gradient(135deg, #0b1120 0%, #0f172a 100%);
  color: #ffffff;
  padding: 3.85rem 0 3rem;
  text-align: center;
  position: relative;
}

.page-hero h1 {
  color: #ffffff;
  margin-bottom: 0.65rem;
}

.page-hero p {
  font-size: 1.05rem;
  color: rgba(255, 255, 255, 0.85);
  max-width: 700px;
  margin: 0 auto;
}

.breadcrumb-nav {
  margin-top: 1.25rem;
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.45rem;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.7);
}

.breadcrumb-nav a {
  color: rgba(255, 255, 255, 0.9);
}

.breadcrumb-nav a:hover {
  color: var(--accent);
}

.main-content-area {
  padding: 3.5rem 0;
}

.article-content {
  background: #ffffff;
  padding: 2.25rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  font-size: 1rem;
  line-height: 1.75;
}

.article-content h2, .article-content h3 {
  margin-top: 1.75rem;
  margin-bottom: 0.85rem;
}

.article-content img {
  border-radius: var(--radius-sm);
  margin: 1.25rem 0;
}

/* Spec Table Container */
.spec-table-container {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  margin: 1.75rem 0;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.spec-table {
  width: 100%;
  min-width: 500px;
  border-collapse: collapse;
  background: #ffffff;
}

.spec-table th, .spec-table td {
  padding: 0.9rem 1.15rem;
  border-bottom: 1px solid var(--border-color);
  text-align: left;
  font-size: 0.9rem;
}

.spec-table th {
  background-color: var(--primary);
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-size: 0.825rem;
}

.spec-table tr:hover td {
  background-color: var(--light-bg);
}

/* ==========================================================================
   14. Contact & Forms
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2.5rem;
}

.contact-info-card {
  background: var(--primary);
  color: #ffffff;
  border-radius: var(--radius-lg);
  padding: 2.5rem 2rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.contact-info-card h3 {
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.contact-item-icon {
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-item-text h4 {
  color: #ffffff;
  font-size: 0.95rem;
  margin-bottom: 0.2rem;
}

.contact-item-text p, .contact-item-text a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.9rem;
  line-height: 1.5;
}

.contact-item-text a:hover {
  color: var(--accent);
}

.contact-form-card {
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-color);
  padding: 2.5rem 2rem;
  box-shadow: var(--shadow-md);
}

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

.form-group {
  margin-bottom: 1.15rem;
}

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.885rem;
  color: var(--text-dark);
  margin-bottom: 0.35rem;
}

/* ==========================================================================
   15. Footer
   ========================================================================== */
.site-footer {
  background-color: #0b1120;
  color: rgba(255, 255, 255, 0.8);
  padding: 4.5rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 2.5rem;
  margin-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.1rem;
  margin-bottom: 1.25rem;
  position: relative;
  padding-bottom: 0.65rem;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 3px;
  background-color: var(--primary);
  border-radius: 2px;
}

.footer-col p {
  font-size: 0.9rem;
  line-height: 1.65;
}

.footer-badges {
  margin-top: 1.25rem;
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 0.65rem;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.75);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 1.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.85rem;
}

/* Floating WhatsApp (Desktop) */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  right: 25px;
  background-color: #25d366;
  color: #ffffff;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.85rem;
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.08);
  color: #ffffff;
}

/* Fixed Mobile Bottom Action Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(11, 17, 32, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 999;
  padding: 0.5rem 0.75rem;
  box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.25);
}

.mobile-bottom-bar {
  grid-template-columns: 1fr 1fr 1.2fr;
  gap: 0.5rem;
  align-items: center;
}

.mobile-bar-item {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.65rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.85rem;
  text-decoration: none;
  text-align: center;
  min-height: 44px;
}

.mobile-bar-call {
  background: rgba(255, 255, 255, 0.15);
  color: #ffffff;
}

.mobile-bar-whatsapp {
  background: #25d366;
  color: #ffffff;
}

.mobile-bar-quote {
  background: var(--accent);
  color: #ffffff;
}

/* ==========================================================================
   16. Responsive Breakpoints & Mobile UI Overhaul
   ========================================================================== */

/* Large Tablets & Small Laptops (<= 1024px) */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 2rem;
  }
  
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
  
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .about-hero-grid {
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
  }
}

/* Tablets & Mobile (<= 992px) */
@media (max-width: 992px) {
  .main-nav {
    display: none;
  }
  
  .mobile-header-actions {
    display: flex;
  }
  
  .hero-grid,
  .calc-grid,
  .single-product-grid,
  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 2.25rem;
  }

  .industry-sector-card,
  .industry-sector-reverse {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .single-product-sidebar {
    position: static;
  }
  
  .hero-section {
    padding: 3.5rem 0 4.5rem;
  }
  
  .hero-stats {
    padding-top: 1.5rem;
  }

  .table-scroll-hint {
    display: inline-block;
  }
}

/* Standard Mobile Screens (<= 768px) */
@media (max-width: 768px) {
  body {
    padding-bottom: 68px; /* Offset for Mobile Bottom Bar */
  }

  .top-bar {
    display: none; /* Streamline mobile viewport */
  }

  .container {
    padding-left: 1.15rem;
    padding-right: 1.15rem;
  }

  .section {
    padding: 3.25rem 0;
  }

  .page-hero {
    padding: 2.75rem 0 2rem;
  }

  .hero-section {
    padding: 2.25rem 0 3.25rem;
  }

  .hero-subtitle {
    font-size: 1rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
  }

  .hero-cta-group {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 2rem;
  }

  .hero-cta-group .btn {
    width: 100%;
  }

  .hero-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 0.65rem;
  }

  .stat-number {
    font-size: 1.4rem;
  }

  .stat-label {
    font-size: 0.75rem;
  }

  .hero-card {
    padding: 1.35rem;
  }

  .category-grid,
  .product-grid,
  .machinery-grid,
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }

  .product-thumb {
    height: 190px;
  }

  .calc-box,
  .contact-form-card,
  .contact-info-card,
  .article-content,
  .about-stats-card,
  .industry-sector-card {
    padding: 1.35rem;
    border-radius: var(--radius-md);
  }

  .about-pillars {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .industry-sector-icon {
    padding: 2rem 1rem;
    font-size: 2.75rem;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

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

  .footer-bottom {
    flex-direction: column;
    text-align: center;
    gap: 0.5rem;
  }

  /* Show Mobile Bottom Bar */
  .mobile-bottom-bar {
    display: grid;
  }

  /* Hide redundant floating WhatsApp button on mobile to prevent overlap */
  .whatsapp-float.desktop-only {
    display: none !important;
  }
}

/* Compact Mobile Screens (<= 480px) */
@media (max-width: 480px) {
  .logo-title {
    font-size: 1.15rem;
  }

  .logo-tagline {
    font-size: 0.65rem;
  }

  .logo-symbol {
    width: 36px;
    height: 36px;
    font-size: 1.25rem;
  }

  .hero-stats {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .stat-item {
    background: rgba(255, 255, 255, 0.06);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.1);
  }

  .industries-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }

  .industry-box {
    padding: 1.15rem 0.65rem;
  }

  .industry-icon {
    font-size: 1.75rem;
    margin-bottom: 0.4rem;
  }

  .industry-box h4 {
    font-size: 0.9rem;
  }

  .calc-estimate-display {
    font-size: 1.35rem;
  }

  .product-actions {
    flex-direction: column;
    gap: 0.5rem;
  }

  .product-actions .btn {
    width: 100%;
  }

  .mobile-bar-item span {
    font-size: 0.75rem;
  }
}