/* 
  M R ENTERPRISE - Master Stylesheet
  Design System: Sleek Industrial
  Colors: Slate Dark (#0f172a), Red Accent (#be123c), Corporate Blue (#0284c7), Slate Light (#f8fafc)
*/

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

:root {
  /* Colors */
  --primary-dark: #0f172a;
  --primary-dark-rgb: 15, 23, 42;
  --primary-light: #f8fafc;
  --primary-bg-alt: #f1f5f9;
  
  --accent-red: #be123c;
  --accent-red-hover: #e11d48;
  --accent-red-light: #fff1f2;
  
  --accent-blue: #0284c7;
  --accent-blue-hover: #0369a1;
  --accent-blue-light: #e0f2fe;
  
  --text-main: #334155;
  --text-light: #ffffff;
  --text-muted: #64748b;
  --text-dark: #0f172a;
  
  --border-color: #e2e8f0;
  --card-bg: #ffffff;
  
  /* Shadows */
  --card-shadow: 0 10px 25px -5px rgba(15, 23, 42, 0.05), 0 8px 10px -6px rgba(15, 23, 42, 0.05);
  --card-shadow-hover: 0 20px 25px -5px rgba(15, 23, 42, 0.1), 0 10px 10px -5px rgba(15, 23, 42, 0.04);
  --inset-shadow: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
  --nav-shadow: 0 4px 6px -1px rgba(15, 23, 42, 0.05), 0 2px 4px -2px rgba(15, 23, 42, 0.05);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Heights & Radius */
  --nav-height: 80px;
  --border-radius-sm: 6px;
  --border-radius-md: 12px;
  --border-radius-lg: 20px;
}

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

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--primary-light);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  color: var(--text-dark);
  font-weight: 700;
  line-height: 1.25;
}

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

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

button, input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  outline: none;
}

/* --- Typography & Elements Utilities --- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section-alt {
  background-color: var(--primary-bg-alt);
}

.section-title-wrapper {
  text-align: center;
  margin-bottom: 60px;
}

.section-subtitle {
  color: var(--accent-red);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 0.875rem;
  margin-bottom: 12px;
  display: block;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  position: relative;
  display: inline-block;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 4px;
  background-color: var(--accent-red);
  border-radius: 2px;
}

.text-gradient {
  background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-red) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* --- Navigation Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-normal);
}

.header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: var(--nav-shadow);
  height: 70px;
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-text {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: -0.5px;
  display: flex;
  align-items: center;
  color: var(--text-dark);
}

.logo-text span.brand-red {
  color: var(--accent-red);
  margin-right: 6px;
}

.logo-text span.brand-blue {
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 1.2rem;
  letter-spacing: 1px;
}

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

.nav-item a {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-main);
  position: relative;
  padding: 8px 0;
}

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

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

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

.nav-item.active a {
  color: var(--accent-red);
}

/* Navigation Contact Button */
.nav-btn {
  background-color: var(--accent-blue);
  color: var(--text-light) !important;
  padding: 10px 20px !important;
  border-radius: var(--border-radius-sm);
  font-size: 0.9rem !important;
  font-weight: 600;
  box-shadow: 0 4px 6px -1px rgba(2, 132, 199, 0.2);
  transition: all var(--transition-fast) !important;
}

.nav-btn:hover {
  background-color: var(--accent-blue-hover);
  box-shadow: 0 8px 12px -1px rgba(2, 132, 199, 0.3);
  transform: translateY(-1px);
}

.nav-btn::after {
  display: none !important;
}

/* Mobile Nav Toggle */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  position: relative;
  transition: background var(--transition-fast);
}

.hamburger::before, .hamburger::after {
  content: '';
  position: absolute;
  width: 24px;
  height: 2px;
  background-color: var(--text-dark);
  left: 0;
  transition: transform var(--transition-normal);
}

.hamburger::before {
  top: -8px;
}

.hamburger::after {
  bottom: -8px;
}

.nav-toggle.open .hamburger {
  background-color: transparent;
}

.nav-toggle.open .hamburger::before {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle.open .hamburger::after {
  transform: translateY(-8px) rotate(-45deg);
}

/* --- Hero Section --- */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--text-light);
  overflow: hidden;
  margin-top: 0;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 30%, rgba(15, 23, 42, 0.7) 100%);
  z-index: 1;
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  animation: fadeInUp 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.hero-subtitle {
  color: var(--accent-red);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 1.1rem;
  margin-bottom: 20px;
  display: inline-block;
  border-left: 3px solid var(--accent-red);
  padding-left: 12px;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 24px;
  color: var(--text-light);
  letter-spacing: -1px;
}

.hero-title span {
  color: var(--accent-blue);
}

.hero-description {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 40px;
  max-width: 650px;
  font-weight: 300;
  line-height: 1.7;
}

.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition-normal);
  cursor: pointer;
  gap: 8px;
}

.btn-primary {
  background-color: var(--accent-red);
  color: var(--text-light);
  box-shadow: 0 4px 14px rgba(190, 18, 60, 0.3);
}

.btn-primary:hover {
  background-color: var(--accent-red-hover);
  box-shadow: 0 6px 20px rgba(190, 18, 60, 0.45);
  transform: translateY(-2px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text-light);
  border: 2px solid rgba(255, 255, 255, 0.4);
}

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

.btn-outline {
  background-color: transparent;
  color: var(--accent-blue);
  border: 2px solid var(--accent-blue);
}

.btn-outline:hover {
  background-color: var(--accent-blue);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: 0 6px 14px rgba(2, 132, 199, 0.2);
}

/* --- Quick Highlights / Features --- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 30px;
  margin-top: -60px;
  position: relative;
  z-index: 3;
}

.feature-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 40px;
  box-shadow: var(--card-shadow);
  border-bottom: 4px solid transparent;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: var(--card-shadow-hover);
  border-bottom-color: var(--accent-red);
}

.feature-icon-wrapper {
  width: 60px;
  height: 60px;
  border-radius: var(--border-radius-sm);
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  transition: all var(--transition-normal);
}

.feature-card:hover .feature-icon-wrapper {
  background-color: var(--accent-red-light);
  color: var(--accent-red);
}

.feature-icon-wrapper svg {
  width: 30px;
  height: 30px;
}

.feature-title {
  font-size: 1.35rem;
  margin-bottom: 14px;
  font-weight: 700;
}

.feature-description {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.feature-link {
  color: var(--accent-blue);
  font-weight: 600;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 6px;
}

.feature-link svg {
  width: 16px;
  height: 16px;
  transition: transform var(--transition-fast);
}

.feature-link:hover {
  color: var(--accent-red);
}

.feature-link:hover svg {
  transform: translateX(4px);
}

/* --- Overview Snapshot --- */
.snapshot-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.snapshot-content h2 {
  font-size: 2.25rem;
  margin-bottom: 20px;
}

.snapshot-text {
  margin-bottom: 30px;
  color: var(--text-main);
  font-size: 1.05rem;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 30px;
}

.stat-item {
  border-left: 3px solid var(--accent-blue);
  padding-left: 16px;
}

.stat-number {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--text-dark);
  line-height: 1;
  margin-bottom: 6px;
  font-family: 'Montserrat', sans-serif;
}

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

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.snapshot-image-wrapper {
  position: relative;
}

.snapshot-img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow-hover);
  overflow: hidden;
}

.snapshot-badge {
  position: absolute;
  bottom: 30px;
  left: -30px;
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding: 24px 30px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow-hover);
  border-left: 4px solid var(--accent-red);
  max-width: 260px;
}

.snapshot-badge-title {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 4px;
}

.snapshot-badge-text {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Advantages Grid --- */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.advantage-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.advantage-card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-blue-hover);
  box-shadow: var(--card-shadow-hover);
}

.advantage-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--accent-red-light);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  transition: all var(--transition-normal);
}

.advantage-card:hover .advantage-icon {
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
}

.advantage-icon svg {
  width: 24px;
  height: 24px;
}

.advantage-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.advantage-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* --- Client Logogrid --- */
.clients-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  align-items: center;
  margin-top: 40px;
}

.client-logo-card {
  background-color: var(--card-bg);
  height: 90px;
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px dashed var(--border-color);
  padding: 16px;
  filter: grayscale(100%);
  opacity: 0.6;
  transition: all var(--transition-normal);
}

.client-logo-card:hover {
  filter: grayscale(0%);
  opacity: 1;
  border-color: var(--accent-blue);
  box-shadow: var(--card-shadow);
}

.client-logo-card svg {
  max-height: 45px;
  max-width: 100%;
}

.client-sector-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--text-dark);
  text-align: center;
  border-bottom: 2px solid var(--border-color);
  padding-bottom: 8px;
}

.clients-sections {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* Testimonial Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.testimonial-card {
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--accent-blue);
  position: relative;
}

.testimonial-quote-icon {
  position: absolute;
  top: 30px;
  right: 40px;
  font-size: 4rem;
  color: rgba(2, 132, 199, 0.08);
  font-family: Georgia, serif;
  line-height: 1;
}

.testimonial-text {
  font-style: italic;
  font-size: 0.95rem;
  margin-bottom: 24px;
  color: var(--text-main);
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 16px;
}

.testimonial-avatar {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--accent-red-light);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-meta h4 {
  font-size: 0.95rem;
  font-weight: 700;
}

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

/* --- About Us Page Specifics --- */
.about-intro-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}

.about-intro-img-wrapper {
  position: relative;
}

.about-intro-img {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow-hover);
}

.about-intro-badge {
  position: absolute;
  top: -20px;
  right: -20px;
  background-color: var(--accent-red);
  color: var(--text-light);
  width: 120px;
  height: 120px;
  border-radius: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  box-shadow: var(--card-shadow-hover);
  animation: pulse 2s infinite;
}

.about-badge-num {
  font-size: 1.8rem;
  font-weight: 900;
  line-height: 1;
  font-family: 'Montserrat', sans-serif;
}

.about-badge-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  text-align: center;
}

.about-intro-content h3 {
  font-size: 1.8rem;
  margin-bottom: 16px;
  color: var(--text-dark);
}

.about-intro-content p {
  margin-bottom: 20px;
  font-size: 1.05rem;
  color: var(--text-main);
}

.core-values {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.value-card {
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  border-top: 3px solid var(--accent-blue);
  text-align: center;
}

.value-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.value-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto 20px;
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  border-radius: var(--border-radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.value-card:hover .value-icon {
  background-color: var(--accent-red-light);
  color: var(--accent-red);
}

.value-title {
  font-size: 1.15rem;
  margin-bottom: 12px;
}

/* Timeline Process Chart */
.timeline-wrapper {
  position: relative;
  max-width: 900px;
  margin: 50px auto 0;
  padding: 20px 0;
}

.timeline-line {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 4px;
  background-color: var(--border-color);
  transform: translateX(-50%);
  z-index: 1;
}

.timeline-step {
  position: relative;
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 60px;
  z-index: 2;
}

.timeline-step:last-child {
  margin-bottom: 0;
}

.timeline-step:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-node {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 50px;
  height: 50px;
  border-radius: 50%;
  background-color: var(--accent-blue);
  color: var(--text-light);
  border: 4px solid var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.2rem;
  box-shadow: var(--card-shadow);
  z-index: 3;
  transition: all var(--transition-normal);
}

.timeline-step:hover .timeline-node {
  background-color: var(--accent-red);
  transform: translateX(-50%) scale(1.1);
}

.timeline-content {
  width: 43%;
  background-color: var(--card-bg);
  padding: 30px;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.timeline-step:hover .timeline-content {
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent-blue);
}

.timeline-step-title {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.timeline-step-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* Quality Control Section */
.qc-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.qc-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 40px 30px;
  box-shadow: var(--card-shadow);
  border-top: 4px solid var(--accent-red);
  text-align: center;
}

.qc-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.qc-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--border-color);
  margin-bottom: 12px;
  line-height: 1;
}

.qc-title {
  font-size: 1.25rem;
  margin-bottom: 14px;
}

.qc-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Products Page Specifics --- */
.tabs-container {
  margin-top: 40px;
}

.product-tabs {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 16px;
  margin-bottom: 50px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 20px;
  flex-wrap: wrap;
}

.product-tab {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: var(--border-radius-sm);
  background-color: var(--primary-bg-alt);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  cursor: pointer;
  transition: all var(--transition-normal);
}

.product-tab.active, .product-tab:hover {
  background-color: var(--accent-red);
  color: var(--text-light);
  border-color: var(--accent-red);
  box-shadow: 0 4px 12px rgba(190, 18, 60, 0.2);
}

.product-content-pane {
  display: none;
  animation: fadeIn 0.5s ease;
}

.product-content-pane.active {
  display: block;
}

.product-detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: flex-start;
}

.product-detail-info h2 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  border-left: 4px solid var(--accent-red);
  padding-left: 16px;
}

.product-detail-text {
  font-size: 1.05rem;
  margin-bottom: 30px;
}

.spec-list {
  list-style: none;
  margin-bottom: 30px;
}

.spec-list-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
}

.spec-list-item svg {
  width: 20px;
  height: 20px;
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 3px;
}

.spec-list-text strong {
  color: var(--text-dark);
}

.product-detail-media {
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow-hover);
}

/* Specifications Table */
.specs-table-wrapper {
  margin-top: 50px;
  overflow-x: auto;
  border-radius: var(--border-radius-md);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  background-color: var(--card-bg);
}

.specs-table th {
  background-color: var(--primary-dark);
  color: var(--text-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  padding: 16px 24px;
  font-size: 0.95rem;
}

.specs-table td {
  padding: 16px 24px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

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

.specs-table tr:nth-child(even) {
  background-color: var(--primary-bg-alt);
}

/* Sub-panels grids for prefabs */
.prefabs-subgrid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.prefab-subcard {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  transition: all var(--transition-normal);
}

.prefab-subcard:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.prefab-subcard-img {
  height: 200px;
  background-size: cover;
  background-position: center;
}

.prefab-subcard-content {
  padding: 30px;
}

.prefab-subcard-title {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.prefab-subcard-text {
  font-size: 0.9rem;
  color: var(--text-muted);
}

/* --- Applications Page Specifics --- */
.gallery-filters {
  display: flex;
  justify-content: center;
  list-style: none;
  gap: 12px;
  margin-bottom: 40px;
  flex-wrap: wrap;
}

.filter-btn {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 0.85rem;
  padding: 10px 20px;
  border-radius: 30px;
  border: 1px solid var(--border-color);
  background-color: var(--card-bg);
  color: var(--text-main);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-btn.active, .filter-btn:hover {
  background-color: var(--accent-blue);
  color: var(--text-light);
  border-color: var(--accent-blue);
  box-shadow: 0 4px 10px rgba(2, 132, 199, 0.2);
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.gallery-item {
  position: relative;
  border-radius: var(--border-radius-md);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  aspect-ratio: 4/3;
  cursor: pointer;
  transition: all var(--transition-normal);
  animation: scaleUp 0.4s ease;
}

.gallery-item.hidden {
  display: none;
}

.gallery-item-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.gallery-item-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.9) 0%, rgba(15, 23, 42, 0.3) 60%, rgba(15, 23, 42, 0.1) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 30px;
  opacity: 0;
  transition: opacity var(--transition-normal);
  z-index: 2;
}

.gallery-item:hover .gallery-item-img {
  transform: scale(1.08);
}

.gallery-item:hover .gallery-item-overlay {
  opacity: 1;
}

.gallery-item-category {
  color: var(--accent-red);
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  margin-bottom: 6px;
}

.gallery-item-title {
  color: var(--text-light);
  font-size: 1.2rem;
  font-weight: 700;
}

/* Lightbox Modal */
.lightbox {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

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

.lightbox-content {
  position: relative;
  max-width: 90%;
  max-height: 85%;
  display: flex;
  flex-direction: column;
  align-items: center;
  animation: zoomIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox-img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: var(--border-radius-sm);
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
  object-fit: contain;
}

.lightbox-caption {
  color: var(--text-light);
  margin-top: 16px;
  text-align: center;
}

.lightbox-title {
  font-family: 'Montserrat', sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.lightbox-category {
  color: var(--accent-blue);
  font-size: 0.85rem;
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 1px;
}

.lightbox-close {
  position: absolute;
  top: -45px;
  right: 0;
  background: none;
  border: none;
  color: var(--text-light);
  font-size: 2.2rem;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.lightbox-close:hover {
  color: var(--accent-red);
}

/* --- Contact Page Specifics --- */
.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 50px;
  align-items: start;
}

.contact-info-panel {
  background-color: var(--primary-dark);
  color: var(--text-light);
  padding: 50px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow-hover);
  background-image: linear-gradient(135deg, rgba(15, 23, 42, 0.95) 0%, rgba(2, 132, 199, 0.8) 100%);
  position: relative;
  overflow: hidden;
}

.contact-info-panel::before {
  content: '';
  position: absolute;
  top: -10%;
  right: -10%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.03);
}

.contact-info-title {
  color: var(--text-light);
  font-size: 2rem;
  margin-bottom: 16px;
}

.contact-info-desc {
  color: var(--accent-blue-light);
  margin-bottom: 40px;
  font-size: 0.95rem;
}

.contact-detail-items {
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-bottom: 40px;
  position: relative;
  z-index: 2;
}

.contact-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
}

.contact-detail-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--text-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-detail-item:hover .contact-detail-icon {
  background-color: var(--accent-red);
  transform: scale(1.05);
  transition: all var(--transition-fast);
}

.contact-detail-icon svg {
  width: 20px;
  height: 20px;
}

.contact-detail-content h4 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--accent-blue-light);
  margin-bottom: 4px;
}

.contact-detail-content p, .contact-detail-content a {
  font-size: 1.05rem;
  font-weight: 500;
}

.contact-gstin {
  background-color: rgba(255, 255, 255, 0.07);
  padding: 16px 24px;
  border-radius: var(--border-radius-sm);
  border-left: 3px solid var(--accent-red);
  font-size: 0.9rem;
  color: var(--text-light);
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* Contact Form */
.contact-form-wrapper {
  background-color: var(--card-bg);
  padding: 50px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

.contact-form-title {
  font-size: 1.8rem;
  margin-bottom: 12px;
}

.contact-form-desc {
  color: var(--text-muted);
  margin-bottom: 30px;
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 24px;
}

.form-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.form-control {
  width: 100%;
  padding: 14px 20px;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  color: var(--text-dark);
  background-color: var(--primary-light);
  transition: all var(--transition-fast);
}

.form-control:focus {
  border-color: var(--accent-blue);
  background-color: var(--card-bg);
  box-shadow: 0 0 0 4px rgba(2, 132, 199, 0.15);
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

/* Form success message */
.form-message {
  padding: 16px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 24px;
  display: none;
  font-size: 0.95rem;
  font-weight: 500;
}

.form-message.success {
  display: block;
  background-color: #f0fdf4;
  color: #166534;
  border: 1px solid #bbf7d0;
}

.form-message.error {
  display: block;
  background-color: #fef2f2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

/* Map Widget */
.map-container {
  margin-top: 60px;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  height: 400px;
}

.map-placeholder {
  width: 100%;
  height: 100%;
  background-color: var(--primary-bg-alt);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  position: relative;
  text-align: center;
  padding: 30px;
}

.map-placeholder-icon {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background-color: var(--accent-red-light);
  color: var(--accent-red);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  box-shadow: var(--card-shadow);
}

.map-placeholder-title {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.map-placeholder-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  max-width: 400px;
}

/* --- Footer --- */
.footer {
  background-color: #0b0f19;
  color: #94a3b8;
  padding: 80px 0 30px;
  border-top: 4px solid var(--accent-red);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 1fr;
  gap: 50px;
  margin-bottom: 60px;
}

.footer-info-logo {
  margin-bottom: 24px;
}

.footer-info-logo .logo-text {
  color: var(--text-light);
}

.footer-info-desc {
  font-size: 0.95rem;
  line-height: 1.6;
  margin-bottom: 24px;
}

.footer-title {
  color: var(--text-light);
  font-size: 1.15rem;
  margin-bottom: 24px;
  font-weight: 700;
  position: relative;
  padding-bottom: 8px;
}

.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background-color: var(--accent-red);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  font-size: 0.9rem;
  transition: all var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.footer-links a::before {
  content: '→';
  font-family: sans-serif;
  opacity: 0;
  transform: translateX(-6px);
  transition: all var(--transition-fast);
  color: var(--accent-red);
}

.footer-links a:hover {
  color: var(--text-light);
}

.footer-links a:hover::before {
  opacity: 1;
  transform: translateX(0);
}

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 16px;
  font-size: 0.9rem;
}

.footer-contact-icon {
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 3px;
}

.footer-contact-icon svg {
  width: 18px;
  height: 18px;
}

.footer-contact-text strong {
  color: var(--text-light);
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 2px;
}

.footer-bottom {
  border-top: 1px solid rgba(148, 163, 184, 0.1);
  padding-top: 30px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 0.85rem;
}

.footer-copyright span.brand-red {
  color: var(--accent-red);
  font-weight: 700;
}

/* --- Keyframe Animations --- */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes zoomIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(190, 18, 60, 0.4);
  }
  70% {
    box-shadow: 0 0 0 15px rgba(190, 18, 60, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(190, 18, 60, 0);
  }
}

/* --- Media Queries --- */
@media (max-width: 1024px) {
  .hero-title {
    font-size: 3rem;
  }
  .snapshot-grid, .about-intro-grid, .contact-grid {
    gap: 40px;
  }
}

@media (max-width: 768px) {
  :root {
    --nav-height: 70px;
  }
  
  .section {
    padding: 70px 0;
  }
  
  .section-title {
    font-size: 2rem;
  }
  
  .nav-menu {
    position: fixed;
    top: var(--nav-height);
    left: -100%;
    width: 100%;
    height: calc(100vh - var(--nav-height));
    background-color: var(--card-bg);
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    padding: 40px 24px;
    gap: 24px;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    transition: left var(--transition-normal);
    overflow-y: auto;
  }
  
  .nav-menu.open {
    left: 0;
  }
  
  .nav-toggle {
    display: block;
  }
  
  .features-grid {
    margin-top: 30px;
    grid-template-columns: 1fr;
  }
  
  .snapshot-grid, .about-intro-grid, .product-detail-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  
  .snapshot-image-wrapper {
    order: -1;
  }
  
  .snapshot-badge {
    left: 0;
    bottom: -20px;
    padding: 16px 20px;
  }
  
  .about-intro-badge {
    width: 90px;
    height: 90px;
    top: -10px;
    right: -10px;
  }
  
  .about-badge-num {
    font-size: 1.4rem;
  }
  
  .timeline-line {
    left: 20px;
  }
  
  .timeline-node {
    left: 20px;
  }
  
  .timeline-step {
    flex-direction: row !important;
  }
  
  .timeline-content {
    width: calc(100% - 50px);
    margin-left: 40px;
  }
  
  .qc-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2.3rem;
  }
  
  .hero-description {
    font-size: 1rem;
  }
  
  .hero-buttons {
    flex-direction: column;
    width: 100%;
  }
  
  .btn {
    width: 100%;
  }
  
  .contact-info-panel, .contact-form-wrapper {
    padding: 30px 20px;
  }
  
  .product-tabs {
    flex-direction: column;
    align-items: stretch;
  }
  
  .product-tab {
    text-align: center;
  }
}

/* --- Floating WhatsApp Button --- */
.whatsapp-btn {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15), 0 8px 20px rgba(37, 211, 102, 0.3);
  z-index: 999;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

.whatsapp-btn:hover {
  transform: translateY(-5px) scale(1.05);
  background-color: #20ba5a;
  box-shadow: 0 6px 14px rgba(0, 0, 0, 0.2), 0 12px 24px rgba(37, 211, 102, 0.4);
}

/* WhatsApp Tooltip */
.whatsapp-tooltip {
  position: absolute;
  right: 75px;
  background-color: #0f172a;
  color: #ffffff;
  padding: 6px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  font-weight: 600;
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  box-shadow: var(--card-shadow);
}

.whatsapp-tooltip::after {
  content: '';
  position: absolute;
  top: 50%;
  right: -5px;
  transform: translateY(-50%) rotate(45deg);
  width: 8px;
  height: 8px;
  background-color: #0f172a;
}

.whatsapp-btn:hover .whatsapp-tooltip {
  opacity: 1;
  visibility: visible;
  right: 70px;
}

@media (max-width: 768px) {
  .whatsapp-btn {
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
  }
  .whatsapp-btn svg {
    width: 26px;
    height: 26px;
  }
}

/* --- PUF Panel Core Features Grid --- */
.puf-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.puf-feature-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 30px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  display: flex;
  gap: 20px;
  align-items: flex-start;
  transition: all var(--transition-normal);
}

.puf-feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
  border-color: var(--accent-red);
}

.puf-feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--accent-blue-light);
  color: var(--accent-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.puf-feature-card:hover .puf-feature-icon {
  background-color: var(--accent-red-light);
  color: var(--accent-red);
}

.puf-feature-icon svg {
  width: 24px;
  height: 24px;
}

.puf-feature-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.puf-feature-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
}

/* --- Color Palette Interactivity --- */
.color-picker-container {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 40px;
  margin-top: 40px;
  background-color: var(--card-bg);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
}

.color-palette-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.color-card {
  border: 2px solid transparent;
  border-radius: var(--border-radius-sm);
  padding: 10px;
  text-align: center;
  cursor: pointer;
  background-color: var(--primary-light);
  transition: all var(--transition-fast);
}

.color-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--card-shadow);
}

.color-card.active {
  border-color: var(--accent-blue);
  background-color: var(--accent-blue-light);
}

.color-swatch {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--border-radius-sm);
  margin-bottom: 8px;
  border: 1px solid rgba(0,0,0,0.06);
}

.color-name {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-main);
  text-transform: capitalize;
  display: block;
  text-overflow: ellipsis;
  overflow: hidden;
  white-space: nowrap;
}

.color-preview-box {
  background-color: var(--primary-bg-alt);
  border-radius: var(--border-radius-md);
  padding: 30px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  border: 1px solid var(--border-color);
}

.color-preview-display {
  width: 120px;
  height: 120px;
  border-radius: var(--border-radius-sm);
  margin-bottom: 20px;
  box-shadow: var(--card-shadow);
  border: 2px solid #ffffff;
  transition: background-color 0.4s ease;
}

.color-preview-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-dark);
}

.color-preview-code {
  font-family: monospace;
  font-size: 0.95rem;
  color: var(--text-muted);
  background-color: var(--card-bg);
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
}

/* --- Panel Erection Process --- */
.erection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.erection-card {
  background-color: var(--card-bg);
  border-radius: var(--border-radius-md);
  padding: 35px 30px;
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

.erection-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--accent-blue);
}

.erection-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--card-shadow-hover);
}

.erection-card:hover::before {
  background-color: var(--accent-red);
}

.erection-step-num {
  font-size: 3.5rem;
  font-weight: 900;
  color: rgba(2, 132, 199, 0.08);
  position: absolute;
  top: 15px;
  right: 20px;
  line-height: 1;
  font-family: 'Montserrat', sans-serif;
  transition: all var(--transition-normal);
}

.erection-card:hover .erection-step-num {
  color: rgba(190, 18, 60, 0.08);
  transform: scale(1.1);
}

.erection-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-dark);
}

.erection-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

@media (max-width: 1024px) {
  .color-picker-container {
    grid-template-columns: 1fr;
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .color-palette-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .erection-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
}

@media (max-width: 480px) {
  .color-palette-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}