/* ==========================================================================
   SHYAM DYE CHEM - MODERN DESIGN SYSTEM & STYLESHEET
   ========================================================================== */

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

/* --- Root CSS Variables --- */
:root {
  --primary: #1e3a8a;          /* Deep Royal Blue */
  --primary-hover: #1d4ed8;    /* Bright Royal Blue */
  --secondary: #0284c7;        /* Chemical Cyan Blue */
  --accent: #f59e0b;           /* Amber Gold */
  --accent-light: #fef3c7;     /* Soft Amber Glow */
  --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #0284c7 100%);
  --gradient-accent: linear-gradient(135deg, #f59e0b 0%, #ea580c 100%);
  --gradient-dark: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
  --gradient-glass: linear-gradient(135deg, rgba(255, 255, 255, 0.85) 0%, rgba(255, 255, 255, 0.65) 100%);

  --dark-bg: #0f172a;          /* Slate Navy Dark */
  --dark-surface: #1e293b;
  --light-bg: #f8fafc;         /* Pure Off White */
  --card-bg: #ffffff;          /* Crisp White Card */
  --border-light: #e2e8f0;

  --text-main: #1e293b;        /* Charcoal Main */
  --text-muted: #64748b;       /* Muted Gray */
  --text-light: #94a3b8;
  --text-on-dark: #f8fafc;

  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-body: 'Mulish', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-full: 9999px;

  --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -5px rgba(15, 23, 42, 0.08), 0 8px 10px -6px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 20px 40px -15px rgba(15, 23, 42, 0.15);
  --shadow-glow: 0 0 25px rgba(2, 132, 199, 0.3);

  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --container-max: 1280px;
}

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

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

body {
  font-family: var(--font-body);
  color: var(--text-main);
  background-color: var(--light-bg);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-main);
}

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

ul, ol {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* --- Container Utility --- */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --- Section Spacing --- */
.section-padding {
  padding: 5rem 0;
}

.section-title-wrapper {
  text-align: center;
  max-width: 750px;
  margin: 0 auto 3.5rem auto;
}

.sub-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background: rgba(2, 132, 199, 0.1);
  color: var(--secondary);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-full);
  margin-bottom: 0.75rem;
}

.section-heading {
  font-size: 2.5rem;
  color: var(--text-main);
  margin-bottom: 1rem;
}

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

/* --- Top Utility Bar --- */
.top-bar {
  background: var(--dark-bg);
  color: var(--text-light);
  font-size: 0.875rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

.top-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-info-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: #cbd5e1;
}

.top-info-item i {
  color: var(--secondary);
}

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

.btn-brochure {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
  padding: 0.25rem 0.85rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.8rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

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

/* --- Navigation Header --- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background: #ffffff;
  z-index: 1000;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.2rem 0;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 70px;
  width: auto;
  object-fit: contain;
}

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

.brand-title .company-name {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.5px;
  line-height: 1.1;
}

.brand-title .company-tagline {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--text-main);
  padding: 0.5rem 0;
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0%;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

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

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

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.75rem 1.75rem;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
  border: none;
  transition: var(--transition);
}

.btn-primary {
  background: var(--gradient-primary);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(30, 58, 138, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(30, 58, 138, 0.35);
  color: #ffffff;
}

.btn-accent {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(245, 158, 11, 0.45);
  color: #ffffff;
}

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

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

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--dark-bg);
  cursor: pointer;
}

/* --- Hero Slider --- */
.hero-slider-section {
  position: relative;
  width: 100%;
  min-height: 580px;
  background: var(--dark-bg);
  overflow: hidden;
}

.slider-wrapper {
  position: relative;
  width: 100%;
  height: 580px;
}

.slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  display: flex;
  align-items: center;
}

.slide.active {
  opacity: 1;
  visibility: visible;
}

.slide-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.45);
  transform: scale(1.05);
  transition: transform 6s ease;
}

.slide.active .slide-bg {
  transform: scale(1);
}

.slide-content {
  position: relative;
  z-index: 10;
  color: #ffffff;
  max-width: 750px;
}

.slide-badge {
  display: inline-block;
  padding: 0.4rem 1.1rem;
  background: rgba(2, 132, 199, 0.3);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #38bdf8;
  font-weight: 700;
  border-radius: var(--radius-full);
  margin-bottom: 1.25rem;
  font-size: 0.9rem;
}

.slide-title {
  font-size: 3.25rem;
  color: #ffffff;
  line-height: 1.15;
  margin-bottom: 1.25rem;
}

.slide-description {
  font-size: 1.15rem;
  color: #e2e8f0;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.slider-controls {
  position: absolute;
  bottom: 2rem;
  right: 3rem;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.slider-arrow {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
}

.slider-arrow:hover {
  background: var(--secondary);
  border-color: var(--secondary);
}

.slider-dots {
  position: absolute;
  bottom: 2.25rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  display: flex;
  gap: 0.6rem;
}

.dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.4);
  cursor: pointer;
  transition: var(--transition);
}

.dot.active {
  width: 32px;
  border-radius: 12px;
  background: var(--secondary);
}

/* --- About Overview Section --- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

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

.about-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.exp-badge-card {
  position: absolute;
  bottom: 2rem;
  right: 2rem;
  background: var(--gradient-primary);
  color: #ffffff;
  padding: 1.5rem 2rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  text-align: center;
}

.exp-badge-card .number {
  font-size: 2.75rem;
  font-weight: 900;
  line-height: 1;
  font-family: var(--font-heading);
}

.exp-badge-card .label {
  font-size: 0.9rem;
  font-weight: 700;
  text-transform: uppercase;
  margin-top: 0.25rem;
  color: #93c5fd;
}

.about-features-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin: 1.75rem 0 2.25rem 0;
}

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

.about-feature-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(2, 132, 199, 0.1);
  color: var(--secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1.1rem;
}

.about-feature-text h4 {
  font-size: 1.05rem;
  margin-bottom: 0.2rem;
}

.about-feature-text p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Banner CTA Section --- */
.aim-banner {
  background: var(--gradient-dark);
  color: #ffffff;
  padding: 4rem 0;
  position: relative;
  overflow: hidden;
}

.aim-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(2, 132, 199, 0.25) 0%, rgba(0, 0, 0, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.aim-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
  position: relative;
  z-index: 5;
}

.aim-text h2 {
  font-size: 2.25rem;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.aim-text p {
  color: #94a3b8;
  font-size: 1.1rem;
}

/* --- Products Cards Grid --- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.product-card {
 
  background: var(--card-bg);
  border-radius: var(--radius-md);
  padding: 2rem;
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

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

.product-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(2, 132, 199, 0.3);
}

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

.product-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(30, 58, 138, 0.06);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  transition: var(--transition);
}

.product-card:hover .product-icon {
  background: var(--gradient-primary);
  color: #ffffff;
  transform: scale(1.1) rotate(5deg);
}

.product-title {
  font-size: 1.35rem;
  margin-bottom: 0.75rem;
}

.product-desc {
  color: var(--text-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.product-items-list {
  background: var(--light-bg);
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  color: var(--text-main);
  font-weight: 600;
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--secondary);
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.btn-link {
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.btn-link i {
  transition: transform 0.3s ease;
}

.btn-link:hover i {
  transform: translateX(4px);
}

/* --- Why Choose Us Section --- */
.why-us-section {
  background: #f1f5f9;
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.why-card-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.why-card {
  background: #ffffff;
  padding: 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
  transition: var(--transition);
  border: 1px solid var(--border-light);
}

.why-card:hover {
  transform: translateX(6px);
  box-shadow: var(--shadow-md);
  border-color: var(--secondary);
}

.why-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-light);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.why-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.35rem;
}

.why-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* --- Product Image Showcase / Gallery --- */
.showcase-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 240px;
  box-shadow: var(--shadow-sm);
}

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

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

.gallery-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0) 60%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.25rem;
  color: #ffffff;
}

.gallery-overlay h4 {
  color: #ffffff;
  font-size: 1.1rem;
}

.gallery-overlay p {
  font-size: 0.85rem;
  color: #cbd5e1;
}

/* --- Page Header Banner (for subpages) --- */
.page-header-banner {
  background: var(--gradient-dark);
  color: #ffffff;
  padding: 4.5rem 0 3.5rem 0;
  text-align: center;
  position: relative;
}

.page-header-banner h1 {
  font-size: 2.75rem;
  color: #ffffff;
  margin-bottom: 0.75rem;
}

.breadcrumbs {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  color: #94a3b8;
  font-weight: 600;
  font-size: 0.95rem;
}

.breadcrumbs a {
  color: #38bdf8;
}

.breadcrumbs a:hover {
  text-decoration: underline;
}

/* --- Filter & Search Bar (Products Page) --- */
.filter-search-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-bottom: 3rem;
}

.filter-tabs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-full);
  background: #ffffff;
  border: 1px solid var(--border-light);
  color: var(--text-main);
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

.tab-btn:hover, .tab-btn.active {
  background: var(--gradient-primary);
  color: #ffffff;
  border-color: transparent;
  box-shadow: 0 4px 12px rgba(30, 58, 138, 0.2);
}

.search-box {
  position: relative;
  min-width: 280px;
}

.search-box input {
  width: 100%;
  padding: 0.65rem 1rem 0.65rem 2.5rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border-light);
  outline: none;
  font-size: 0.95rem;
  transition: var(--transition);
}

.search-box input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

.search-box i {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
}

/* --- Contact Us Page --- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 3.5rem;
}

.contact-info-cards {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-info-card {
  background: #ffffff;
  padding: 1.75rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  display: flex;
  align-items: flex-start;
  gap: 1.25rem;
}

.contact-info-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-md);
  background: rgba(30, 58, 138, 0.08);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.contact-info-content h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.contact-info-content p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.5;
}

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

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 0.5rem;
  font-size: 0.9rem;
  color: var(--text-main);
}

.form-control {
  width: 100%;
  padding: 0.8rem 1.1rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
  background: #f8fafc;
}

.form-control:focus {
  background: #ffffff;
  border-color: var(--secondary);
  box-shadow: 0 0 0 3px rgba(2, 132, 199, 0.15);
}

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

.map-container {
  margin-top: 4rem;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.map-container iframe {
  width: 100%;
  height: 420px;
  border: 0;
}

/* --- Modal Dialog --- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.7);
  backdrop-filter: blur(5px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-card {
  background: #ffffff;
  width: 90%;
  max-width: 600px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 2.5rem;
  position: relative;
  transform: translateY(20px);
  transition: var(--transition);
}

.modal-backdrop.active .modal-card {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--text-muted);
  cursor: pointer;
}

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

/* --- Floating WhatsApp Button --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 60px;
  height: 60px;
  background: #25d366;
  color: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
  color: #ffffff;
}

/* --- Footer --- */
.site-footer {
  background: var(--dark-bg);
  color: #94a3b8;
  padding-top: 4.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 3rem;
  padding-bottom: 3.5rem;
}

.footer-col h4 {
  color: #ffffff;
  font-size: 1.15rem;
  margin-bottom: 1.5rem;
  position: relative;
}

.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: -0.5rem;
  left: 0;
  width: 35px;
  height: 3px;
  background: var(--secondary);
  border-radius: var(--radius-full);
}

.footer-about p {
  font-size: 0.95rem;
  margin-top: 1rem;
  line-height: 1.6;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #cbd5e1;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

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

.footer-bottom {
  background: rgba(0, 0, 0, 0.3);
  padding: 1.5rem 0;
  font-size: 0.9rem;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
}

/* --- AOS Scroll Animation Fallbacks & Custom Transitions --- */
[data-aos] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive Media Queries --- */
@media (max-width: 1024px) {
  .about-grid, .why-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .slide-title {
    font-size: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: #ffffff;
    flex-direction: column;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: right 0.4s ease;
    z-index: 1500;
  }
  .nav-menu.active {
    right: 0;
  }
  .mobile-toggle {
    display: block;
    z-index: 1600;
  }
  .top-info {
    font-size: 0.8rem;
  }
  .slide-title {
    font-size: 2rem;
  }
  .section-heading {
    font-size: 2rem;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .filter-search-wrapper {
    flex-direction: column;
    align-items: stretch;
  }
}