/* Prime Gas LLP Corporate Style Sheet - Redesigned Edition */
/* Variable Definitions & Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  /* Redesigned Premium Color Palette */
  --bg-primary: #f8fafc; /* Warm Slate Off-white */
  --bg-secondary: #f1f5f9; /* Soft Slate background */
  --bg-card: #ffffff;
  --text-main: #334155; /* Slate 700 */
  --text-muted: #64748b; /* Slate 500 */
  --text-dark: #0f172a; /* Slate 900 */
  
  --color-primary: #ea580c; /* Energy Orange */
  --color-primary-dark: #c2410c;
  --color-primary-light: #ffedd5;
  --color-secondary: #0f172a; /* Deep Slate Charcoal */
  --color-secondary-light: #1e293b;
  --color-accent: #38bdf8; /* Gas Flame Sky Blue */
  
  --border-color: rgba(15, 23, 42, 0.08);
  --border-radius-sm: 4px;
  --border-radius-md: 10px;
  --border-radius-lg: 16px;
  
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.02), 0 1px 2px rgba(15, 23, 42, 0.01);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.04), 0 2px 4px rgba(15, 23, 42, 0.01);
  --shadow-lg: 0 16px 32px rgba(15, 23, 42, 0.06), 0 4px 12px rgba(15, 23, 42, 0.02);
  --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.15s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 15px;
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-body);
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  font-weight: 300;
  background-color: var(--bg-primary);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-dark);
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

h1 { font-size: 2.75rem; }
h2 { font-size: 2.1rem; }
h3 { font-size: 1.35rem; }

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

/* Layout Utilities */
.container {
  width: 92%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 15px;
}

.section {
  padding: 75px 0;
  position: relative;
}

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

.eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.section-header {
  max-width: 600px;
  margin-bottom: 45px;
}

.section-header h2 {
  margin-bottom: 12px;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 400;
}

/* Grid Utilities */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  align-items: center;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 26px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  border-radius: var(--border-radius-sm);
  transition: var(--transition-smooth);
  cursor: pointer;
  border: none;
  z-index: 1;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: 0 8px 16px rgba(234, 88, 12, 0.2);
  transform: translateY(-1px);
}

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

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

/* Navigation Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  z-index: 1000;
  transition: var(--transition-smooth);
}

.site-header.scrolled {
  height: 65px;
  background-color: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow-sm);
}

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

.logo-container {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-grow: 1;
  margin-left: 60px;
}

.nav-links-center {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 auto;
}

.site-nav a {
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.9rem;
  color: var(--color-secondary);
  position: relative;
  padding: 6px 0;
  transition: var(--transition-smooth);
}

.site-nav a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.site-nav a:hover {
  color: var(--color-primary);
}

.nav-cta {
  background-color: var(--color-primary);
  color: #ffffff !important;
  padding: 8px 18px !important;
  border-radius: var(--border-radius-sm);
  font-size: 0.85rem !important;
}

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

.nav-cta:hover {
  background-color: var(--color-primary-dark);
}

/* Mobile Navigation */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  z-index: 1100;
}

.nav-toggle-bar {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--color-secondary);
  margin: 5px 0;
  transition: var(--transition-smooth);
}

/* Homepage Transparent Header Overlay rules */
body.has-hero .site-header {
  background-color: transparent;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

body.has-hero .site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--border-color);
}

body.has-hero .site-header:not(.scrolled) .logo-text {
  color: #ffffff;
}

body.has-hero .site-header:not(.scrolled) .site-nav a {
  color: rgba(255, 255, 255, 0.9);
}

body.has-hero .site-header:not(.scrolled) .site-nav a:hover {
  color: var(--color-primary);
}

body.has-hero .site-header:not(.scrolled) .nav-toggle-bar {
  background-color: #ffffff;
}

/* NEW HIGH-CONTRAST FULL-WIDTH HERO SECTION WITH BACKGROUND SLIDER */
.hero {
  position: relative;
  min-height: 92vh;
  display: flex;
  align-items: center;
  padding: 140px 0 160px; /* Padding bottom leaves space for the SVG wave */
  background-color: #0c181c; /* Midnight Slate Teal fallback */
  color: #ffffff;
  overflow: hidden;
}

.hero-bg-slider {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.hero-bg-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
  transform: scale(1.03);
}

.hero-bg-image.active {
  opacity: 0.38; /* Soft opacity so the oil/gas images are visible but text remains 100% readable */
  transform: scale(1);
  transition: opacity 1.5s ease-in-out, transform 5s ease-out;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, rgba(12, 24, 28, 0.95) 0%, rgba(15, 23, 42, 0.8) 50%, rgba(12, 24, 28, 0.95) 100%);
  z-index: 2;
}

.hero-container-inner {
  position: relative;
  z-index: 5;
  width: 100%;
}

.hero-content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center; /* Centralized hero text */
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 700;
  line-height: 1.15;
  margin-bottom: 24px;
  color: #ffffff;
  letter-spacing: -0.03em;
}

.hero-content h1 span {
  color: var(--color-primary);
  background: linear-gradient(120deg, var(--color-primary) 0%, #f97316 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

.hero-content p {
  font-size: 1.15rem;
  line-height: 1.65;
  color: #cbd5e1;
  margin-bottom: 40px;
  font-weight: 300;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.hero-actions {
  display: flex;
  gap: 20px;
  justify-content: center;
}

.hero-actions .btn {
  padding: 14px 32px;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.hero .hero-actions .btn-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.4);
}

.hero .hero-actions .btn-secondary:hover {
  background-color: #ffffff;
  color: var(--color-secondary);
  border-color: #ffffff;
}

/* Waving Divider Mask */
.hero-wave-container {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 120px;
  overflow: hidden;
  line-height: 0;
  z-index: 10;
  pointer-events: none;
}

.hero-wave-svg {
  position: relative;
  display: block;
  width: 100%;
  height: 100%;
}

/* Stats Banner with Offset Cards */
.stats-banner {
  background-color: var(--bg-card); /* Light background */
  padding: 55px 0;
  color: var(--text-dark);
  border-bottom: 1px solid var(--border-color);
  position: relative;
  z-index: 15;
}

.stats-inner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  text-align: center;
}

.stat-item {
  position: relative;
  padding: 10px;
}

.stat-item::after {
  content: '';
  position: absolute;
  right: -15px;
  top: 25%;
  height: 50%;
  width: 1px;
  background-color: var(--border-color);
}

.stat-item:last-child::after {
  display: none;
}

.stat-item strong {
  display: block;
  font-size: 2.6rem;
  font-family: var(--font-heading);
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 6px;
}

.stat-item span {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Feature & Capability Cards */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.feature-card {
  background-color: var(--bg-card);
  padding: 35px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-bottom: 4px solid var(--color-primary);
}

.feature-icon {
  width: 46px;
  height: 46px;
  border-radius: 6px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
}

.feature-card h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.feature-card p {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 400;
}

/* Product Showcase Cards (Redesigned) */
.product-showcase-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

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

.product-item-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-bottom: 3px solid var(--color-primary);
}

.product-image-container {
  height: 190px;
  position: relative;
  overflow: hidden;
}

.product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.product-item-card:hover .product-image-container img {
  transform: scale(1.08);
}

.product-label {
  position: absolute;
  top: 15px;
  left: 15px;
  background-color: var(--color-secondary);
  color: #ffffff;
  padding: 4px 12px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 2px;
  letter-spacing: 0.5px;
}

.product-info {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-info h3 {
  font-size: 1.2rem;
  margin-bottom: 8px;
}

.product-info p {
  color: var(--text-muted);
  font-size: 0.85rem;
  margin-bottom: 18px;
  font-weight: 400;
  flex-grow: 1;
}

.product-specs {
  border-top: 1px solid var(--border-color);
  padding-top: 14px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.spec-block span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

.spec-block strong {
  font-size: 0.85rem;
  color: var(--text-dark);
}

/* Asymmetrical Timeline Preview */
.procedure-cta {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 50px;
  align-items: center;
}

.summary-steps {
  margin-top: 25px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.summary-step {
  display: flex;
  gap: 18px;
}

.summary-number {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  flex-shrink: 0;
  font-size: 0.9rem;
}

.summary-text h4 {
  margin-bottom: 4px;
  font-size: 1.05rem;
}

.summary-text p {
  font-size: 0.85rem;
  color: var(--text-muted);
  font-weight: 400;
}

.procedure-flow-preview {
  background-color: var(--bg-card);
  padding: 40px 35px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  position: relative;
  overflow: hidden;
}

/* Accent gradient line at the top of the card */
.procedure-flow-preview::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.flow-timeline {
  position: relative;
  padding-left: 28px;
}

/* Continuous vertical timeline line */
.flow-timeline::before {
  content: '';
  position: absolute;
  left: 8px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.flow-step {
  position: relative;
  margin-bottom: 24px;
  transition: var(--transition-smooth);
}

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

/* Interactive step numbers centered on the line */
.flow-step::before {
  content: attr(data-step);
  position: absolute;
  left: -28px;
  top: 2px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background-color: var(--bg-card);
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  font-family: var(--font-heading);
  z-index: 2;
  transition: var(--transition-fast);
}

.flow-step[data-step="4"]::before {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.flow-step h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 4px;
  font-family: var(--font-heading);
  transition: var(--transition-fast);
}

.flow-step p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.45;
  font-weight: 400;
}

/* Hover effects */
.flow-step:hover {
  transform: translateX(4px);
}

.flow-step:hover h4 {
  color: var(--color-primary);
}

.flow-step:hover::before {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: #ffffff;
  box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.15);
}

/* About Page Refinement */
.about-hero {
  padding: 130px 0 60px;
  background: radial-gradient(circle at 5% 5%, rgba(234, 88, 12, 0.04), transparent 50%), var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
}

.about-intro-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 50px;
  align-items: center;
}

.about-text p {
  font-size: 0.95rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  font-weight: 400;
}

.about-ceo-card {
  background: linear-gradient(145deg, var(--color-secondary) 0%, #1a2333 100%);
  color: #ffffff;
  padding: 45px 35px;
  border-radius: var(--border-radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.04);
  border-top: 4px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  text-align: center;
  position: relative;
  transition: var(--transition-smooth);
}

.about-ceo-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.15);
}

.ceo-avatar {
  width: 76px;
  height: 76px;
  border-radius: 50%;
  background-color: var(--color-primary);
  margin: 0 auto 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 2rem;
  border: 3px solid rgba(255, 255, 255, 0.08);
  box-shadow: 0 8px 24px rgba(234, 88, 12, 0.25);
  transition: var(--transition-smooth);
}

.about-ceo-card:hover .ceo-avatar {
  transform: scale(1.06) rotate(5deg);
  box-shadow: 0 10px 28px rgba(234, 88, 12, 0.35);
}

.ceo-name {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 6px;
}

.ceo-title {
  font-size: 0.75rem;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin-bottom: 25px;
}

.ceo-details {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 22px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  text-align: left;
  font-size: 0.85rem;
}

.ceo-details p {
  color: #cbd5e1;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  line-height: 1.45;
}

.ceo-details p i {
  color: var(--color-primary);
  font-size: 1rem;
  margin-top: 2px;
  flex-shrink: 0;
  width: 16px;
  text-align: center;
}

.ceo-details p span {
  color: #ffffff;
  font-weight: 500;
}

/* Licensing Grid Layout Redesign */
.license-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.license-card {
  background-color: var(--bg-card);
  padding: 35px 30px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  border-top: 3px solid var(--color-secondary);
  transition: var(--transition-smooth);
}

.license-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(234, 88, 12, 0.15);
  border-top-color: var(--color-primary);
}

.license-icon {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 20px;
  display: inline-block;
  transition: var(--transition-smooth);
}

.license-card:hover .license-icon {
  transform: scale(1.08);
}

.license-card h3 {
  font-size: 1.2rem;
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--text-dark);
}

.license-card p {
  font-size: 0.88rem;
  color: var(--text-muted);
  font-weight: 400;
  line-height: 1.5;
}

/* Product Catalog Filtering */
.products-filter-section {
  background-color: var(--bg-secondary);
  padding: 24px 0;
  border-bottom: 1px solid var(--border-color);
}

.filter-bar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
}

.search-input-wrapper {
  position: relative;
  max-width: 350px;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 10px 16px 10px 36px;
  border-radius: var(--border-radius-sm);
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 400;
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

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

.filter-tab {
  background: none;
  border: 1px solid var(--border-color);
  padding: 6px 16px;
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.8rem;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-tab.active,
.filter-tab:hover {
  background-color: var(--color-secondary);
  color: #ffffff;
  border-color: var(--color-secondary);
}

/* Detailed Product Listings (Redesigned) */
.products-listing-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

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

.product-detail-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-bottom: 4px solid var(--color-primary);
}

.product-card-header {
  background-color: var(--color-secondary);
  color: #ffffff;
  padding: 22px 24px;
}

.product-card-header h3 {
  color: #ffffff;
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.product-card-header .product-cat {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary);
  letter-spacing: 1px;
}

.product-card-image {
  height: 160px;
  width: 100%;
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

.product-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-pricing {
  padding: 18px 24px;
  background-color: var(--bg-secondary);
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  border-bottom: 1px solid var(--border-color);
}

.price-item span {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
}

.price-item strong {
  font-size: 0.9rem;
  color: var(--text-dark);
  font-weight: 600;
}

.product-body-specs {
  padding: 24px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.product-body-specs p {
  font-weight: 400;
  color: var(--text-muted);
  font-size: 0.85rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  border-bottom: 1px dashed var(--border-color);
  padding-bottom: 8px;
  font-size: 0.85rem;
}

.spec-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

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

.spec-row strong {
  color: var(--text-dark);
  font-weight: 600;
}

.product-action-footer {
  padding: 18px 24px;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.product-action-footer .btn-text {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* Procedures Timelines */
.proc-nav {
  display: grid;
  grid-template-columns: repeat(5, 1fr); /* 5 tabs */
  gap: 12px;
  margin-bottom: 40px;
}

.proc-tab {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 18px 10px;
  text-align: center;
  border-radius: var(--border-radius-md);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.proc-tab h4 {
  font-size: 0.95rem;
  color: var(--color-secondary);
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 2px;
}

.proc-tab span {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
}

.proc-tab:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: rgba(234, 88, 12, 0.2);
}

.proc-tab.active {
  background-color: #ffffff;
  border-color: var(--color-primary);
  border-bottom: 4px solid var(--color-primary);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}

.proc-tab.active h4 {
  color: var(--color-primary);
}

.proc-content-pane {
  display: none;
}

.proc-content-pane.active {
  display: block;
  animation: fadeInPane 0.4s ease-out;
}

@keyframes fadeInPane {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.proc-intro-card {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-secondary-light) 100%);
  color: #ffffff;
  padding: 30px 35px;
  border-radius: var(--border-radius-lg);
  margin-bottom: 35px;
  border-left: 5px solid var(--color-primary);
  box-shadow: var(--shadow-md);
}

.proc-intro-card h3 {
  color: #ffffff;
  font-size: 1.4rem;
  font-weight: 600;
  font-family: var(--font-heading);
  margin-bottom: 8px;
}

.proc-intro-card p {
  opacity: 0.85;
  font-size: 0.95rem;
  font-weight: 400;
  line-height: 1.5;
}

.timeline {
  position: relative;
  padding-left: 45px;
  margin-top: 30px;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 15px;
  top: 10px;
  bottom: 10px;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-secondary) 0%, var(--color-primary) 100%);
}

.timeline-item {
  position: relative;
  margin-bottom: 35px;
}

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

.timeline-dot {
  position: absolute;
  left: -45px;
  top: 4px;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: var(--color-primary);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  font-family: var(--font-heading);
  z-index: 2;
  box-shadow: 0 0 0 4px rgba(234, 88, 12, 0.1);
  transition: var(--transition-smooth);
}

.timeline-card {
  background-color: var(--bg-card);
  padding: 28px 30px;
  border-radius: var(--border-radius-md);
  border: 1px solid var(--border-color);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  position: relative;
}

.timeline-card::after {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 4px;
  background-color: var(--color-secondary);
  border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
  transition: var(--transition-fast);
}

.timeline-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-lg);
}

.timeline-card:hover::after {
  background-color: var(--color-primary);
}

.timeline-item:hover .timeline-dot {
  background-color: var(--color-secondary);
  box-shadow: 0 0 0 6px rgba(15, 23, 42, 0.08);
  transform: scale(1.1);
}

.timeline-card h4 {
  color: var(--text-dark);
  font-size: 1.15rem;
  font-family: var(--font-heading);
  font-weight: 600;
  margin-bottom: 6px;
}

.timeline-card p {
  font-weight: 400;
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.timeline-docs-badge {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.doc-badge {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-primary);
  background-color: var(--color-primary-light);
  padding: 4px 10px;
  border-radius: var(--border-radius-sm);
  border: 1px solid rgba(234, 88, 12, 0.12);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Contact Page Grid & Form */
.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 50px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  margin-bottom: 24px;
}

.info-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--border-radius-sm);
  background-color: var(--color-primary-light);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
}

.info-text h4 {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--text-dark);
  font-family: var(--font-heading);
}

.info-text p {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 400;
}

.guidelines-box {
  background-color: var(--color-primary-light);
  border-left: 4px solid var(--color-primary);
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
  padding: 20px;
  margin-top: 35px;
}

.guidelines-box h4 {
  color: var(--color-primary-dark);
  font-size: 0.95rem;
  margin-bottom: 6px;
  font-weight: 600;
  font-family: var(--font-heading);
}

.guidelines-box p {
  color: var(--color-primary-dark);
  font-size: 0.85rem;
  font-weight: 400;
  line-height: 1.5;
}

.contact-form-panel {
  background-color: var(--bg-card);
  padding: 40px;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-color);
  border-top: 4px solid var(--color-primary);
}

.form-group {
  margin-bottom: 22px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  color: var(--text-dark);
  font-weight: 600;
  font-size: 0.85rem;
  font-family: var(--font-heading);
}

.form-control {
  width: 100%;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  background-color: var(--bg-primary);
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--text-dark);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  background-color: #ffffff;
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.12);
}

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

/* REDESIGNED PREMIUM FOOTER SECTION */
.site-footer {
  background-color: var(--color-secondary); /* Midnight Slate */
  color: #ffffff;
  padding: 80px 0 40px;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-top-grid {
  display: grid;
  grid-template-columns: 1.3fr 0.8fr 0.8fr 1.1fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-col h4 {
  color: #ffffff;
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 1.1rem;
  margin-bottom: 24px;
  position: relative;
  letter-spacing: -0.01em;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 24px;
  height: 2px;
  background-color: var(--color-primary);
}

/* Column 1 - Brand specific */
.brand-desc {
  color: #cbd5e1;
  line-height: 1.6;
  margin-bottom: 24px;
  font-weight: 400;
  font-size: 0.85rem;
}

.footer-socials {
  display: flex;
  gap: 12px;
}

.footer-socials a {
  width: 36px;
  height: 36px;
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cbd5e1;
  font-size: 0.95rem;
  transition: var(--transition-smooth);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-socials a:hover {
  background-color: var(--color-primary);
  color: #ffffff;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(234, 88, 12, 0.25);
  border-color: var(--color-primary);
}

/* Columns 2 & 3 - Link lists */
.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-links a {
  color: #cbd5e1;
  transition: var(--transition-fast);
  display: inline-block;
  font-weight: 400;
}

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

/* Column 4 - Contact Details */
.footer-contact-details {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.contact-item i {
  color: var(--color-primary);
  margin-top: 3px;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.contact-item span {
  color: #cbd5e1;
  line-height: 1.5;
  font-weight: 400;
  font-size: 0.85rem;
}

/* Footer Bottom Section */
.footer-bottom-flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 30px;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-copyright p {
  color: #94a3b8;
  font-size: 0.8rem;
  line-height: 1.5;
}

.footer-compliance {
  opacity: 0.75;
}

.footer-legal-links {
  display: flex;
  gap: 24px;
}

.footer-legal-links a {
  color: #94a3b8;
  font-size: 0.8rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

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

/* Back To Top Button */
.back-to-top {
  position: fixed;
  bottom: 30px;
  right: -60px; /* Hidden offscreen by default */
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: #ffffff;
  border: none;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  cursor: pointer;
  z-index: 999;
  transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: 0 4px 12px rgba(234, 88, 12, 0.25);
  opacity: 0;
}

.back-to-top.visible {
  right: 30px; /* Slide in from right */
  opacity: 1;
}

.back-to-top:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 6px 16px rgba(234, 88, 12, 0.4);
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .product-showcase-grid { grid-template-columns: repeat(2, 1fr); }
  .products-listing-grid { grid-template-columns: repeat(2, 1fr); }
  .about-intro-grid { grid-template-columns: 1fr; }
  .procedure-cta { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .proc-nav { grid-template-columns: repeat(3, 1fr); }
  .footer-top-grid { grid-template-columns: repeat(2, 1fr); gap: 30px; }
}

@media (max-width: 768px) {
  h1 { font-size: 2.2rem; }
  h2 { font-size: 1.7rem; }
  
  .site-header { height: 70px; }
  .nav-toggle { display: block; }
  
  .site-nav {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    height: calc(100vh - 70px);
    background-color: var(--bg-primary);
    flex-direction: column;
    padding: 40px 20px;
    gap: 20px;
    align-items: flex-start;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: var(--shadow-lg);
    border-top: 1px solid var(--border-color);
  }
  
  .nav-links-center {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
    width: 100%;
    margin: 0 0 10px 0 !important;
  }
  
  .site-nav.open {
    transform: translateX(0);
  }
  
  /* Readability of menu links inside mobile toggle panel on homepage */
  body.has-hero .site-header:not(.scrolled) .site-nav a {
    color: var(--color-secondary);
  }
  
  body.has-hero .site-header:not(.scrolled) .site-nav a.nav-cta {
    color: #ffffff;
  }
  
  body.has-hero .site-header:not(.scrolled) .nav-toggle-bar {
    background-color: #ffffff;
  }
  
  /* Transparent header background overlay when mobile menu is expanded */
  body.has-hero .site-header:has(.site-nav.open) {
    background-color: var(--bg-primary);
  }
  
  body.has-hero .site-header:has(.site-nav.open) .logo-text {
    color: var(--color-secondary);
  }
  
  body.has-hero .site-header:has(.site-nav.open) .nav-toggle-bar {
    background-color: var(--color-secondary);
  }

  .hero {
    padding: 130px 0 120px;
    min-height: auto;
  }
  
  .hero-content h1 {
    font-size: 2.3rem;
  }
  
  .hero-content p {
    font-size: 1rem;
    margin-bottom: 28px;
  }
  
  .hero-actions {
    flex-direction: column;
    gap: 12px;
  }
  
  .hero-actions .btn {
    width: 100%;
  }
  
  .hero-wave-container {
    height: 70px;
  }
  
  .grid-2 { grid-template-columns: 1fr; }
  .grid-3 { grid-template-columns: 1fr; }
  .grid-4 { grid-template-columns: 1fr; }
  .features-grid { grid-template-columns: 1fr; }
  .product-showcase-grid { grid-template-columns: 1fr; }
  .products-listing-grid { grid-template-columns: 1fr; }
  
  .stats-inner {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }
  
  .proc-nav {
    grid-template-columns: repeat(2, 1fr);
  }

  .footer-top-grid {
    grid-template-columns: 1fr;
    gap: 30px;
  }
  
  .footer-bottom-flex {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }
  
  .footer-legal-links {
    width: 100%;
    justify-content: flex-start;
  }

  .timeline {
    padding-left: 32px;
  }
  .timeline::before {
    left: 10px;
  }
  .timeline-dot {
    left: -32px;
    width: 22px;
    height: 22px;
    font-size: 0.75rem;
  }
  .timeline-card {
    padding: 20px;
  }
}