/* DESIGN SYSTEM INSPIRED BY VANILLA FOLDER
   Features: HSL Color Logic, Light source from top, Depth via layering
   Dark Mode Only - Professional Energy Sector Design
*/

:root {
  /* Base Hue (Blue for corporate/energy theme) */
  --hue: 210;
  --sat: 30%;
  --acc-hue: 20;
  --acc-sat: 80%;
  
  /* DARK MODE (Default and Only Mode) */
  --bg-app: hsl(var(--hue), var(--sat), 8%);      /* Deep background */
  --bg-surface: hsl(var(--hue), var(--sat), 12%); /* Elevated surface */
  --bg-elevated: hsl(var(--hue), var(--sat), 16%); /* Card surface */
  --bg-elevated-hover: hsl(var(--hue), var(--sat), 20%);
  
  --text-primary: hsl(var(--hue), 10%, 95%);      /* Almost white */
  --text-secondary: hsl(var(--hue), 10%, 70%);    /* Muted */
  --text-tertiary: hsl(var(--hue), 10%, 50%);     /* Very muted */
  
  --accent: hsl(var(--acc-hue), var(--acc-sat), 45%);
  --accent-hover: hsl(var(--acc-hue), var(--acc-sat), 70%);
  --accent-surface: hsl(var(--acc-hue), var(--acc-sat), 65%, 0.15);
  
  /* Depth Effects */
  --highlight-border: 1px solid rgba(255, 255, 255, 0.1);
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.5);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.4), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
  --shadow-card-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 10px 10px -5px rgba(0, 0, 0, 0.4);
  --shadow-bottom: 0 4px 12px rgba(0, 0, 0, 0.6);
  
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  
  /* Legacy support */
  --color-primary: var(--text-primary);
  --color-accent: var(--accent);
  --color-white: var(--bg-surface);
  --color-light-gray: var(--bg-elevated);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', 'Roboto', sans-serif;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--bg-app);
  overflow-x: hidden;
  transition: background-color 0.3s ease, color 0.3s ease;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  text-transform: uppercase;
}

.section-heading {
  font-size: 2.5rem;
  margin-bottom: 2rem;
  color: var(--text-primary);
}

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

.section-heading.white {
  color: var(--text-primary);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  background: var(--bg-surface);
  border-bottom: var(--highlight-border);
  box-shadow: var(--shadow-bottom);
  z-index: 1000;
  transition: all 0.3s ease;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
  position: relative;
}

.header-content::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  pointer-events: none;
}

.logo a {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text-primary);
  text-decoration: none;
  text-transform: uppercase;
  transition: color 0.3s ease;
}

.nav-list {
  display: flex;
  list-style: none;
  gap: 0.1rem;
  align-items: right;
}

.nav-link {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  color: var(--text-secondary);
  text-decoration: none;
  text-transform: uppercase;
  font-size: 0.9rem;
  transition: all 0.3s ease;
  position: relative;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm);
}

.nav-link:hover {
  color: var(--text-primary);
  background: var(--accent-surface);
}

.nav-link.active {
  color: var(--accent);
  background: var(--accent-surface);
  box-shadow: inset 0 2px 0 rgba(255, 255, 255, 0.1);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.3s ease;
  border-radius: 2px;
}

.nav-link.active::after {
  width: 80%;
}

.hamburger {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
  gap: 4px;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--text-primary);
  transition: all 0.3s ease;
  border-radius: 2px;
}

/* Hero Section */
.hero {
  position: relative;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('assets/hero/image2.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  overflow: hidden;
  z-index: 1;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.3);
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  color: hsl(0, 0%, 92%);
  padding: 2rem;
  animation: fadeIn 1s ease-in;
}

.hero-heading {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subheading {
  font-size: 1.5rem;
  margin-bottom: 6rem;
  font-weight: 800;
  text-shadow: 2px 2px 4px rgb(0, 0, 0);
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Buttons */
.btn {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  padding: 1rem 2rem;
  text-decoration: none;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
  font-size: 1rem;
  border-radius: var(--radius-md);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent);
  color: var(--bg-surface);
  box-shadow: var(--shadow-md);
  border-top: 2px solid rgba(255, 255, 255, 0.3);
  border-bottom: 2px solid rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
  /* background: var(--accent-hover); */
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-secondary {
  background: transparent;
  color: var(--bg-surface);
  border: 2px solid var(--bg-surface);
  box-shadow: var(--shadow-sm);
}

.hero .btn-secondary {
  background: transparent;
  color: #ffffff;
  border: 2px solid #ffffff;
}

.btn-secondary:hover {
  background: var(--bg-surface);
  color: var(--text-primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.hero .btn-secondary:hover {
  background: transparent;
  color: var(--text-primary);
}

.btn-form {
  background: var(--accent);
  color: var(--bg-surface);
  width: 100%;
  box-shadow: var(--shadow-md);
  border-top: 2px solid rgba(255, 255, 255, 0.3);
  border-bottom: 2px solid rgba(0, 0, 0, 0.2);
}

.btn-form:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* About Section */
.about {
  position: relative;
  background: var(--bg-elevated);
  padding: 5rem 0;
  z-index: 2;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.about-image {
  overflow: hidden;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border-top: var(--highlight-border);
  position: relative;
}

.about-image::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  z-index: 1;
  pointer-events: none;
}

.about-image img {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.5s ease;
}

.about-image:hover img {
  transform: scale(1.05);
}

.about-text h2 {
  margin-bottom: 1.5rem;
}

.about-description {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

.about-strengths {
  list-style: none;
  padding-left: 0;
}

.about-strengths li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
}

.about-strengths li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.2rem;
}

/* About Subsections */
.about-subsection {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.subsection-heading {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.8rem;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}

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

.subsection-text {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

/* Values Grid */
.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.value-card {
  background: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
  border-bottom: 2px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.value-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
}

.value-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-elevated-hover);
}

.value-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.value-text {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Mission & Vision Grid */
.mission-vision-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.mission-vision-card {
  background: var(--bg-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
  border-bottom: 2px solid rgba(0, 0, 0, 0.2);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.mission-vision-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
}

.mission-vision-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

.mission-vision-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-elevated-hover);
}

.mission-card {
  border-left: 3px solid var(--accent);
}

.vision-card {
  border-left: 3px solid hsl(var(--acc-hue), var(--acc-sat), 55%);
}

.card-icon {
  margin-bottom: 1.5rem;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-surface);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 1rem;
  transition: transform 0.3s ease;
}

.card-icon .icon-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  /* Colorize to accent color */
  filter: brightness(0) saturate(100%) invert(85%) sepia(95%) saturate(1352%) hue-rotate(340deg) brightness(110%) contrast(101%);
}

.mission-vision-card:hover .card-icon {
  transform: scale(1.1) rotate(5deg);
}

.mission-vision-card:hover .card-icon .icon-svg {
  transform: scale(1.05);
}

.mission-vision-card .subsection-heading {
  margin-bottom: 1.5rem;
  font-size: 1.6rem;
  position: relative;
  padding-left: 0.5rem;
}

.mission-vision-card .subsection-text {
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text-secondary);
}

/* Leadership Card */
.leadership-card {
  background: var(--bg-surface);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
  border-bottom: 2px solid rgba(0, 0, 0, 0.2);
  border-left: 4px solid var(--accent);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
  margin-top: 2rem;
}

.leadership-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
}

.leadership-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.02) 0%, rgba(255, 255, 255, 0) 100%);
  pointer-events: none;
}

.leadership-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-elevated-hover);
}

.leadership-header {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.leadership-icon {
  width: 80px;
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-surface);
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
  flex-shrink: 0;
  transition: transform 0.3s ease;
  padding: 1rem;
}

.leadership-icon .icon-svg {
  width: 100%;
  height: 100%;
  object-fit: contain;
  transition: transform 0.3s ease;
  /* Colorize to accent color */
  filter: brightness(0) saturate(100%) invert(85%) sepia(95%) saturate(1352%) hue-rotate(340deg) brightness(110%) contrast(101%);
}

.leadership-card:hover .leadership-icon {
  transform: scale(1.1) rotate(-5deg);
}

.leadership-card:hover .leadership-icon .icon-svg {
  transform: scale(1.05);
}

.leadership-info {
  flex: 1;
}

.leadership-name {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.leadership-role {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.leadership-content {
  position: relative;
}

.leadership-content .subsection-text {
  font-size: 1.05rem;
  line-height: 1.9;
  color: var(--text-secondary);
}

/* Why Choose Us Grid */
.why-choose-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.why-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.5rem;
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-top: var(--highlight-border);
  transition: all 0.3s ease;
  position: relative;
}

.why-item:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  background: var(--bg-elevated-hover);
}

.why-icon {
  font-size: 1.5rem;
  color: var(--accent);
  font-weight: bold;
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.why-text {
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Products Section */
.products {
  background: var(--bg-app);
  padding: 5rem 0;
}

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

.product-card {
  background: var(--bg-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
  border-bottom: 2px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
  z-index: 1;
}

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-elevated-hover);
}

.product-image {
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-content {
  padding: 2rem;
}

.product-title {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.product-description {
  color: var(--text-secondary);
  line-height: 1.8;
}

/* Products Details */
.products-details {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.product-details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.product-detail-card {
  background: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
  border-bottom: 2px solid rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  position: relative;
}

.product-detail-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  pointer-events: none;
}

.product-detail-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
  background: var(--bg-elevated-hover);
}

.product-detail-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--text-primary);
  margin-bottom: 1rem;
  text-transform: uppercase;
}

.product-detail-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.product-detail-list li {
  padding: 0.5rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  line-height: 1.8;
}

.product-detail-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.5rem;
}

/* Offshore Services */
.offshore-services {
  margin-top: 2rem;
  background: var(--bg-surface);
  padding: 2rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
}

.offshore-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.offshore-list li {
  padding: 0.75rem 0;
  padding-left: 1.5rem;
  position: relative;
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.1rem;
}

.offshore-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: bold;
  font-size: 1.2rem;
}

/* Industries Section */
.industries {
  background: var(--bg-elevated);
  padding: 5rem 0;
}

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

.industry-item {
  text-align: center;
  transition: transform 0.3s ease;
}

.industry-item:hover {
  transform: translateY(-5px);
}

.industry-image {
  width: 100%;
  height: 250px;
  overflow: hidden;
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-md);
  border-top: var(--highlight-border);
}

.industry-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.industry-item:hover .industry-image img {
  transform: scale(1.1);
}

.industry-caption {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  text-transform: uppercase;
  margin-bottom: 0.5rem;
}

.industry-description {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 0.95rem;
  padding: 0 0.5rem;
}

/* FAQ Section */
.faq {
  background: var(--bg-app);
  padding: 5rem 0;
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-surface);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border-top: var(--highlight-border);
  transition: all 0.3s ease;
}

.faq-item.active {
  box-shadow: var(--shadow-md);
  background: var(--bg-elevated-hover);
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  background: transparent;
  transition: background 0.3s ease;
}

.faq-question:hover {
  background: var(--bg-elevated);
}

.faq-title {
  font-family: 'Montserrat', sans-serif;
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--text-primary);
  margin: 0;
  text-transform: uppercase;
}

.faq-toggle {
  font-size: 1.5rem;
  font-weight: bold;
  color: var(--accent);
  transition: transform 0.3s ease;
  flex-shrink: 0;
  margin-left: 1rem;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  padding: 0 1.5rem;
}

.faq-item.active .faq-answer {
  max-height: 300px;
  padding: 1.5rem;
}

.faq-answer p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* Contact/Footer Section */
.contact {
  background: var(--bg-surface);
  color: var(--text-primary);
  padding: 5rem 0;
  border-top: var(--highlight-border);
  box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}


.contact-content {
  max-width: 800px;
  margin: 0 auto;
}

.contact-company {
  font-family: 'Montserrat', sans-serif;
  font-weight: 700;
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--accent);
}

.contact-item {
  margin-bottom: 1.5rem;
  line-height: 1.8;
  color: var(--text-secondary);
}

.contact-item strong {
  color: var(--text-primary);
}

.contact-item a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

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

.fade-in-left,
.fade-in-right,
.fade-up,
.fade-in {
  opacity: 0;
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in-left {
  transform: translateX(-50px);
}

.fade-in-right {
  transform: translateX(50px);
}

.fade-up {
  transform: translateY(50px);
}

.fade-in-left.visible,
.fade-in-right.visible,
.fade-up.visible,
.fade-in.visible {
  opacity: 1;
  transform: translateX(0) translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-list {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: var(--bg-surface);
    width: 100%;
    padding: 2rem 0;
    box-shadow: var(--shadow-lg);
    transition: left 0.3s ease;
    gap: 1rem;
    border-top: var(--highlight-border);
  }

  .nav-list.active {
    left: 0;
  }

  .hero-heading {
    font-size: 2rem;
  }

  .hero-subheading {
    font-size: 1.2rem;
  }

  .hero-tagline {
    font-size: 1rem;
  }

  .section-heading {
    font-size: 2rem;
  }

  .about-content,
  .contact-content {
    grid-template-columns: 1fr;
  }

  .values-grid,
  .why-choose-grid,
  .product-details-grid {
    grid-template-columns: 1fr;
  }

  .mission-vision-grid {
    grid-template-columns: 1fr;
  }

  .leadership-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .leadership-icon {
    width: 70px;
    height: 70px;
    padding: 0.75rem;
  }

  .products-grid {
    grid-template-columns: 1fr;
  }

  .industries-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero {
    background-attachment: scroll;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .btn {
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero-heading {
    font-size: 1.5rem;
  }

  .hero-subheading {
    font-size: 1rem;
  }

  .section-heading {
    font-size: 1.5rem;
  }

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

  .logo a {
    font-size: 0.9rem;
  }

  .subsection-heading {
    font-size: 1.5rem;
  }

  .why-choose-grid,
  .product-details-grid {
    grid-template-columns: 1fr;
  }

  .mission-vision-card {
    padding: 2rem;
  }

  .card-icon {
    width: 56px;
    height: 56px;
    padding: 0.75rem;
  }

  .leadership-card {
    padding: 2rem;
  }

  .leadership-header {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .leadership-icon {
    width: 60px;
    height: 60px;
    padding: 0.5rem;
  }
}