/* ==========================================================================
   KIAN INFRATECH LIMITED - Corporate Frontend Stylesheet
   Specialized Heavy Civil, Bridge & MRT Infrastructure Engineering
   Production Release: 2.1.0
   ========================================================================== */

:root {
  /* Typography */
  --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Brand Palette */
  --color-navy-deep: #0b0d26;
  --color-navy-surface: #12153b;
  --color-navy-card: #181c4a;
  --color-coral: #ff5b4a;
  --color-coral-hover: #e04434;
  --color-blue-accent: #3b82f6;
  --color-blue-light: #93c5fd;
  
  /* Neutrals & Surfaces */
  --color-bg-light: #f8fafc;
  --color-white: #ffffff;
  --color-border-light: #e2e8f0;
  --color-border-subtle: rgba(255, 255, 255, 0.12);
  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #f1f5f9;
  --color-text-dim: #94a3b8;
  
  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(11, 13, 38, 0.04);
  --shadow-md: 0 8px 24px rgba(11, 13, 38, 0.08);
  --shadow-lg: 0 16px 40px rgba(11, 13, 38, 0.12);
  --shadow-dark: 0 18px 45px rgba(0, 0, 0, 0.45);
  --shadow-coral: 0 8px 25px rgba(255, 91, 74, 0.35);
  
  /* Border Radii */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-full: 9999px;
  
  /* Motion & Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: all 0.2s var(--ease-out);
  --transition-normal: all 0.35s var(--ease-out);
  --transition-slow: all 0.6s var(--ease-out);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #070919;
}

::-webkit-scrollbar-thumb {
  background: #232752;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-coral);
}

.scroll-progress-indicator {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  width: 0%;
  background: linear-gradient(90deg, var(--color-coral), #ff8577);
  z-index: 10001;
  transition: width 0.08s linear;
  box-shadow: 0 0 8px rgba(255, 91, 74, 0.6);
}

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

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

body {
  font-family: var(--font-body);
  background-color: var(--color-white);
  color: var(--color-text-main);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
}

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

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

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

/* ==========================================================================
   Layout Containers & Grid Systems
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1320px;
  margin-left: auto;
  margin-right: auto;
  padding-left: clamp(1rem, 4vw, 2.5rem);
  padding-right: clamp(1rem, 4vw, 2.5rem);
}

.container-fluid {
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-navy-deep);
}

.sub-label {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-coral);
  margin-bottom: 0.85rem;
}

.sub-label-dark {
  color: var(--color-blue-light);
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */
.btn-primary, .btn-coral {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--color-coral);
  color: var(--color-white);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.85rem 1.85rem;
  min-height: 48px;
  border-radius: var(--radius-xs);
  border: none;
  cursor: pointer;
  transition: var(--transition-normal);
  letter-spacing: 0.02em;
}

.btn-primary:hover, .btn-coral:hover {
  background-color: var(--color-coral-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-coral);
  color: var(--color-white);
}

.btn-outline-light {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  background: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255, 255, 255, 0.25);
  padding: 0.85rem 1.85rem;
  min-height: 48px;
  border-radius: var(--radius-xs);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: var(--transition-fast);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

.btn-whatsapp-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #25d366;
  color: #ffffff;
  font-weight: 600;
  font-size: 0.875rem;
  padding: 0.55rem 1.25rem;
  min-height: 44px;
  border-radius: var(--radius-full);
  transition: var(--transition-fast);
  box-shadow: 0 4px 12px rgba(37, 211, 102, 0.25);
}

.btn-whatsapp-pill:hover {
  background-color: #20ba5a;
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(37, 211, 102, 0.35);
  color: #ffffff;
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */
.top-notice-bar {
  background-color: #070919;
  color: var(--color-text-dim);
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  padding: 0.55rem 0;
}

.top-notice-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.top-notice-left, .top-notice-right {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.top-compliance-badge {
  background: rgba(255, 91, 74, 0.15);
  color: #ff8577;
  padding: 0.2rem 0.65rem;
  border-radius: var(--radius-xs);
  font-weight: 700;
  font-size: 0.75rem;
  border: 1px solid rgba(255, 91, 74, 0.35);
  letter-spacing: 0.04em;
}

.site-header {
  background-color: rgba(11, 13, 38, 0.98);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  position: sticky;
  top: 0;
  z-index: 1000;
  border-bottom: 1px solid rgba(255, 255, 255, 0.09);
  transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 84px;
}

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

.brand-logo img {
  height: 48px;
  width: auto;
  filter: brightness(0) invert(1);
  transition: var(--transition-fast);
}

.brand-logo:hover img {
  opacity: 0.92;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2.25rem;
  list-style: none;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  color: #cbd5e1;
  position: relative;
  padding: 0.6rem 0;
  transition: var(--transition-fast);
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-coral);
  transition: width 0.25s ease;
}

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

.nav-item {
  position: relative;
  display: flex;
  align-items: center;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
}

.nav-chevron {
  font-size: 0.65rem;
  opacity: 0.7;
  transition: transform 0.25s ease, color 0.25s ease;
  pointer-events: none;
}

.nav-item:hover .nav-chevron,
.nav-item:focus-within .nav-chevron {
  transform: rotate(180deg);
  color: var(--color-coral);
  opacity: 1;
}

/* Desktop Dropdown Container */
.dropdown-menu {
  position: absolute;
  top: calc(100% + 12px);
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 330px;
  background: #0d102e;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.55), 0 0 0 1px rgba(255, 91, 74, 0.15);
  padding: 0.6rem;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.22s cubic-bezier(0.16, 1, 0.3, 1), transform 0.22s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.22s;
  z-index: 1000;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.dropdown-menu.dropdown-wide {
  min-width: 380px;
}

/* Hover bridge */
.dropdown-menu::before {
  content: '';
  position: absolute;
  top: -14px;
  left: 0;
  right: 0;
  height: 14px;
}

.nav-item:hover .dropdown-menu,
.nav-item:focus-within .dropdown-menu {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  padding: 0.6rem 0.85rem;
  border-radius: 8px;
  text-decoration: none;
  transition: background-color 0.2s ease, transform 0.15s ease;
  color: #f1f5f9;
}

.dropdown-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateX(4px);
}

.dropdown-item-icon {
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: rgba(255, 91, 74, 0.12);
  color: var(--color-coral);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  flex-shrink: 0;
  transition: background-color 0.2s, color 0.2s;
}

.dropdown-item:hover .dropdown-item-icon {
  background: var(--color-coral);
  color: #ffffff;
}

.dropdown-item-text {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-align: left;
}

.dropdown-item-title {
  font-family: var(--font-heading);
  font-size: 0.84rem;
  font-weight: 600;
  color: #ffffff;
  line-height: 1.25;
}

.dropdown-item-desc {
  font-size: 0.72rem;
  color: #94a3b8;
  line-height: 1.2;
}

.dropdown-footer-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.55rem 0.85rem;
  margin-top: 0.35rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-coral);
  border-radius: 6px;
  text-decoration: none;
  transition: background 0.2s, color 0.2s;
}

.dropdown-footer-link:hover {
  background: rgba(255, 91, 74, 0.12);
  color: #ff7868;
}

/* Mobile Drawer Accordion Sub-menus */
.mobile-drawer-item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  padding-bottom: 0.65rem;
}

.mobile-drawer-item-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-accordion-toggle {
  background: transparent;
  border: none;
  color: #94a3b8;
  width: 38px;
  height: 38px;
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 0.85rem;
  transition: transform 0.25s ease, color 0.2s;
}

.mobile-drawer-item.is-open .mobile-accordion-toggle {
  transform: rotate(180deg);
  color: var(--color-coral);
}

.mobile-submenu {
  list-style: none;
  padding: 0 0 0 0.5rem;
  margin: 0;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.mobile-drawer-item.is-open .mobile-submenu {
  max-height: 480px;
  padding-top: 0.6rem;
  padding-bottom: 0.4rem;
}

.mobile-submenu-link {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.45rem 0.65rem;
  color: #94a3b8;
  text-decoration: none;
  font-size: 0.825rem;
  font-weight: 500;
  border-radius: 6px;
  transition: all 0.2s;
}

.mobile-submenu-link i {
  color: var(--color-coral);
  font-size: 0.75rem;
  width: 16px;
  text-align: center;
}

.mobile-submenu-link:hover {
  color: #ffffff;
  background: rgba(255, 255, 255, 0.05);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.mobile-nav-toggle {
  display: none;
  background: transparent;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  padding: 0.5rem;
  font-size: 1.5rem;
  min-height: 48px;
  min-width: 48px;
  align-items: center;
  justify-content: center;
}

/* ==========================================================================
   Hero Section (Split 3-Column Corporate Architecture)
   ========================================================================== */
.hero-section {
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  padding: 4rem 0 5.5rem 0;
  position: relative;
  overflow: hidden;
}

.blueprint-watermark {
  position: relative;
}

.blueprint-watermark::after {
  content: '';
  position: absolute;
  right: -50px;
  bottom: -40px;
  width: 600px;
  height: 400px;
  background-image: url('../assets/bridge-wireframe.svg');
  background-repeat: no-repeat;
  background-size: contain;
  pointer-events: none;
  opacity: 0.08;
}

.hero-grid,
.hero-layout-container {
  display: grid;
  grid-template-columns: 1.15fr 1.35fr 1fr;
  gap: 2.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

@media (max-width: 1024px) {
  .hero-grid,
  .hero-layout-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

.hero-left-col,
.hero-headline-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-accent-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: rgba(255, 91, 74, 0.15);
  color: #ff8577;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-xs);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  margin-bottom: 1.25rem;
  border: 1px solid rgba(255, 91, 74, 0.3);
  width: fit-content;
}

.hero-title,
.hero-main-title {
  font-size: clamp(2.2rem, 3.8vw, 3.4rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--color-white) !important;
  margin-bottom: 1.5rem;
}

.hero-title span,
.hero-main-title span,
.hero-main-title .highlight-text {
  color: #60a5fa;
}

.hero-subtext {
  color: #94a3b8;
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
  max-width: 600px;
}

.hero-cta-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.hero-counter-slider,
.hero-slide-progress-track {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  color: #64748b;
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.hero-counter-slider b,
.slide-number.active-number {
  color: var(--color-white);
  font-size: 1.1rem;
}

.slide-progress-bar-bg {
  width: 45px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full);
}

.slide-progress-bar-fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--color-coral);
  animation: heroBarPulse 3s infinite ease-in-out;
}
  align-items: center;
  gap: 0.85rem;
}

.hero-counter-slider b {
  color: var(--color-white);
  font-size: 1.1rem;
}

.progress-track {
  width: 45px;
  height: 3px;
  background: rgba(255, 255, 255, 0.2);
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-full);
}

.progress-fill {
  position: absolute;
  left: 0;
  top: 0;
  width: 50%;
  height: 100%;
  background: var(--color-coral);
  animation: heroBarPulse 3s infinite ease-in-out;
}

@keyframes heroBarPulse {
  0% { transform: translateX(-100%); }
  50% { transform: translateX(50%); }
  100% { transform: translateX(200%); }
}

.hero-center-col,
.hero-portrait-column,
.hero-portrait-frame {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-dark);
}

.hero-center-col img,
.hero-portrait-img {
  width: 100%;
  height: 520px;
  object-fit: cover;
  transition: transform 0.8s var(--ease-out);
  display: block;
}

.hero-center-col:hover img,
.hero-portrait-frame:hover .hero-portrait-img {
  transform: scale(1.03);
}

.hero-floating-credential {
  position: absolute;
  bottom: 24px;
  left: 20px;
  background: rgba(11, 13, 38, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 0.65rem 1.15rem;
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 700;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.45);
  z-index: 3;
}

.hero-floating-credential i {
  color: var(--color-coral);
  font-size: 1rem;
}

.hero-floating-credential strong {
  display: block;
  font-size: 0.8125rem;
  line-height: 1.2;
}

.hero-floating-credential span {
  display: block;
  font-size: 0.6875rem;
  font-weight: 400;
  color: #cbd5e1;
}

.hero-right-col,
.hero-showcase-column {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.hero-showcase-card {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 1.5rem;
  backdrop-filter: blur(10px);
}

.showcase-card-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-coral);
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 0.75rem;
}

.showcase-card-body {
  color: #94a3b8;
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.hero-description {
  color: #94a3b8;
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 2rem;
}

.hero-thumbnail-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  margin-top: 0.5rem;
}

.hero-thumb-card,
.hero-thumb-link {
  border-radius: var(--radius-xs);
  overflow: hidden;
  position: relative;
  cursor: pointer;
  aspect-ratio: 1 / 1;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
  display: block;
  transition: transform var(--transition-fast);
}

.hero-thumb-card img,
.hero-thumb-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-normal);
}

.hero-thumb-card:hover,
.hero-thumb-link:hover {
  transform: translateY(-3px);
}

.hero-thumb-card:hover img,
.hero-thumb-link:hover img {
  transform: scale(1.12);
}

.hero-thumb-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 0.4rem 0.3rem;
  background: linear-gradient(to top, rgba(11, 13, 38, 0.95), transparent);
  font-size: 0.6875rem;
  font-weight: 700;
  color: #ffffff;
  text-align: center;
}

/* ==========================================================================
   About Section (Overlapping Architectural Photography)
   ========================================================================== */
.about-section {
  padding: clamp(4.5rem, 8vw, 7.5rem) 0;
  background-color: var(--color-white);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.about-media-stack {
  position: relative;
  min-height: 480px;
}

.about-img-primary {
  width: 70%;
  height: 450px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-md);
}

.about-img-secondary {
  position: absolute;
  right: 0;
  bottom: -35px;
  width: 60%;
  height: 350px;
  object-fit: cover;
  border-radius: var(--radius-xs);
  border: 8px solid var(--color-white);
  box-shadow: var(--shadow-lg);
}

.about-experience-badge {
  position: absolute;
  top: 25px;
  right: 22%;
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  padding: 1rem 1.4rem;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-dark);
  border-left: 3px solid var(--color-coral);
  z-index: 3;
}

.about-experience-badge h4 {
  font-size: 1.35rem;
  color: var(--color-coral);
  line-height: 1.1;
}

.about-experience-badge span {
  font-size: 0.75rem;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.about-text-content h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.about-text-content p {
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-spec-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin-bottom: 2rem;
  font-size: 0.9375rem;
  color: var(--color-text-main);
  font-weight: 600;
}

.about-spec-list div {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.about-spec-list i {
  color: var(--color-coral);
  font-size: 0.9rem;
}

.about-executive-wrap {
  display: flex;
  align-items: center;
  gap: 2rem;
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-border-light);
}

.about-signature-svg {
  height: 55px;
  width: auto;
}

.about-executive-meta h5 {
  font-size: 0.9375rem;
  color: var(--color-navy-deep);
  margin-bottom: 0.15rem;
}

.about-executive-meta span {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Services Section (4-Card Engineering Grid)
   ========================================================================== */
.services-section {
  background-color: var(--color-bg-light);
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  position: relative;
}

.services-header-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
  gap: 1.5rem;
}

.services-header-left h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  color: var(--color-navy-deep);
}

.services-header-right {
  max-width: 520px;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.services-header-right p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

.services-slider-nav {
  display: flex;
  gap: 0.6rem;
}

.slider-nav-btn {
  width: 46px;
  height: 46px;
  min-width: 46px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-navy-deep);
  transition: var(--transition-fast);
}

.slider-nav-btn:hover {
  background-color: var(--color-coral);
  color: var(--color-white);
  border-color: var(--color-coral);
  transform: translateY(-2px);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.service-card {
  background-color: var(--color-white);
  padding: 2.75rem 2rem 2.25rem 2rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-coral), #ff8577);
  transition: width 0.4s var(--ease-out);
}

.service-card:hover::before {
  width: 100%;
}

.service-card-number {
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: #e2e8f0;
  transition: var(--transition-fast);
  line-height: 1;
}

.service-card:hover .service-card-number {
  color: rgba(255, 91, 74, 0.35);
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(255, 91, 74, 0.4);
}

.service-card-icon {
  font-size: 2.2rem;
  color: var(--color-coral);
  margin-bottom: 1.5rem;
  display: inline-block;
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-navy-deep);
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.service-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: 1.75rem;
  flex-grow: 1;
}

.service-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-navy-deep);
  transition: var(--transition-fast);
}

.service-card:hover .service-link {
  color: var(--color-coral);
  transform: translateX(4px);
}

/* ==========================================================================
   Panoramic Video / Infrastructure Showcase Banner
   ========================================================================== */
.showcase-banner {
  position: relative;
  height: 480px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.showcase-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  filter: brightness(0.8);
}

.showcase-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(11, 13, 38, 0.5);
}

.btn-pulse-play {
  position: relative;
  z-index: 2;
  width: 84px;
  height: 84px;
  background-color: var(--color-coral);
  color: var(--color-white);
  border-radius: 50%;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 0 0 0 0 rgba(255, 91, 74, 0.7);
  animation: playPulseRing 2s infinite;
  transition: var(--transition-normal);
}

.btn-pulse-play:hover {
  transform: scale(1.12);
}

@keyframes playPulseRing {
  0% { box-shadow: 0 0 0 0 rgba(255, 91, 74, 0.75); }
  70% { box-shadow: 0 0 0 26px rgba(255, 91, 74, 0); }
  100% { box-shadow: 0 0 0 0 rgba(255, 91, 74, 0); }
}

.showcase-badge-bottom {
  position: absolute;
  bottom: 30px;
  left: 0;
  right: 0;
  text-align: center;
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  z-index: 2;
}

/* ==========================================================================
   Mission & 4-Column Tall Cards (Corporate Dark Showcase)
   ========================================================================== */
.mission-section {
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  padding: clamp(4.5rem, 8vw, 6.5rem) 0 4rem 0;
  text-align: center;
}

.mission-statement-box {
  max-width: 920px;
  margin: 0 auto 3rem auto;
}

.mission-quote-title {
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.mission-quote-title span {
  color: var(--color-coral);
  text-decoration: underline;
  text-underline-offset: 8px;
}

.mission-directorate-meta {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--color-white);
}

.mission-directorate-meta span {
  display: block;
  font-size: 0.8125rem;
  color: #94a3b8;
  font-weight: 400;
  margin-top: 0.25rem;
}

.vertical-cards-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
  margin-bottom: 3.5rem;
}

.vertical-card-item {
  position: relative;
  height: 380px;
  border-radius: var(--radius-xs);
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.vertical-card-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

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

.vertical-card-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(11, 13, 38, 0.94) 0%, rgba(11, 13, 38, 0.25) 60%, transparent 100%);
  display: flex;
  align-items: flex-end;
  padding: 1.75rem;
  text-align: left;
}

.vertical-card-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-coral);
  margin-bottom: 0.45rem;
  display: block;
  letter-spacing: 0.06em;
}

.vertical-card-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.35;
}

/* ==========================================================================
   Watermark Statistics Strip
   ========================================================================== */
.stats-strip {
  background-color: var(--color-navy-deep);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 4.5rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  text-align: center;
}

.stat-box {
  position: relative;
  padding: 1rem 0;
}

.stat-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-family: var(--font-heading);
  font-size: 6.5rem;
  font-weight: 900;
  color: rgba(255, 255, 255, 0.04);
  pointer-events: none;
  line-height: 1;
  user-select: none;
}

.stat-content {
  position: relative;
  z-index: 1;
}

.stat-val {
  font-size: clamp(2rem, 3.5vw, 2.4rem);
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 0.35rem;
  font-family: var(--font-heading);
}

.stat-txt {
  font-size: 0.875rem;
  font-weight: 600;
  color: #94a3b8;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ==========================================================================
   Full-Width 4-Image Strip
   ========================================================================== */
.full-gallery-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  width: 100%;
}

.gallery-strip-block {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.gallery-strip-block img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.7s var(--ease-out);
}

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

.gallery-strip-info {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(11, 13, 38, 0.95), transparent);
  color: var(--color-white);
  opacity: 0;
  transform: translateY(12px);
  transition: var(--transition-normal);
}

.gallery-strip-block:hover .gallery-strip-info {
  opacity: 1;
  transform: translateY(0);
}

.gallery-strip-info h4 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 0.25rem;
}

.gallery-strip-info p {
  font-size: 0.8125rem;
  color: #cbd5e1;
}

/* ==========================================================================
   Partner / Agency Table Grid
   ========================================================================== */
.partners-section {
  background-color: var(--color-white);
  border-bottom: 1px solid var(--color-border-light);
}

.partners-table {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  border-top: 1px solid var(--color-border-light);
}

.partner-cell {
  padding: 2.75rem 1.5rem;
  border-right: 1px solid var(--color-border-light);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  transition: var(--transition-fast);
}

.partner-cell:last-child {
  border-right: none;
}

.partner-cell:hover {
  background-color: #f8fafc;
}

.partner-acronym {
  font-size: 1.75rem;
  font-weight: 800;
  font-family: var(--font-heading);
  color: #94a3b8;
  letter-spacing: -0.02em;
  transition: var(--transition-fast);
}

.partner-cell:hover .partner-acronym {
  color: var(--color-navy-deep);
}

.partner-name {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 0.35rem;
  text-transform: uppercase;
  font-weight: 600;
}

/* ==========================================================================
   Engineering Team Section
   ========================================================================== */
.team-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background-color: var(--color-white);
}

.team-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 4.5rem;
  align-items: center;
}

.team-image-frame {
  border-radius: var(--radius-xs);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}

.team-image-frame img {
  width: 100%;
  height: 440px;
  object-fit: cover;
}

.team-details-col h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  line-height: 1.18;
  color: var(--color-navy-deep);
  margin-bottom: 1.5rem;
}

.team-details-col p {
  font-size: 1rem;
  color: var(--color-text-muted);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.team-feature-bullets {
  margin: 2rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.team-bullet-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--color-navy-deep);
  font-size: 0.9375rem;
}

.team-bullet-item i {
  color: var(--color-coral);
  font-size: 1.1rem;
  flex-shrink: 0;
}

/* ==========================================================================
   Products Catalog & Interactive Filter Tabs
   ========================================================================== */
.products-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background-color: var(--color-bg-light);
}

.filter-pills-container {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 3.5rem;
  flex-wrap: wrap;
}

.filter-pill-btn {
  padding: 0.65rem 1.6rem;
  min-height: 44px;
  border-radius: var(--radius-xs);
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: var(--transition-normal);
  color: var(--color-navy-deep);
}

.filter-pill-btn:hover {
  border-color: var(--color-navy-deep);
  transform: translateY(-1px);
}

.filter-pill-btn.active {
  background: var(--color-navy-deep);
  color: var(--color-white);
  border-color: var(--color-navy-deep);
  box-shadow: 0 4px 14px rgba(11, 13, 38, 0.2);
}

.products-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
}

.product-card {
  background: var(--color-white);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
  padding: 2.25rem 2rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.product-card:hover {
  transform: translateY(-6px);
  border-color: rgba(255, 91, 74, 0.4);
  box-shadow: var(--shadow-md);
}

.product-category-chip {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-coral);
  background: rgba(255, 91, 74, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1.25rem;
  width: fit-content;
  letter-spacing: 0.05em;
}

.product-card h4 {
  font-size: 1.18rem;
  color: var(--color-navy-deep);
  margin-bottom: 0.75rem;
}

.product-card p {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.product-card-spec-meta {
  margin-top: auto;
  padding-top: 1.25rem;
  font-size: 0.8125rem;
  color: #64748b;
  border-top: 1px solid var(--color-border-light);
}

.btn-product-rfq {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-top: 1.25rem;
  padding: 0.7rem 1.15rem;
  background: #f8fafc;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xs);
  color: var(--color-navy-deep);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-product-rfq:hover {
  background: var(--color-navy-deep);
  color: #ffffff;
  border-color: var(--color-navy-deep);
  box-shadow: 0 4px 12px rgba(11, 13, 38, 0.2);
}

.btn-product-rfq i {
  color: var(--color-coral);
  transition: transform 0.25s ease;
}

.btn-product-rfq:hover i {
  transform: translateX(4px);
  color: #ffffff;
}

/* ==========================================================================
   Consultation & Contact Section
   ========================================================================== */
.contact-section {
  padding: clamp(4.5rem, 8vw, 7rem) 0;
  background-color: var(--color-white);
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
}

.contact-info-panel {
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-dark);
}

.contact-info-panel h3 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--color-white);
  margin-bottom: 1rem;
}

.contact-info-panel p {
  color: #94a3b8;
  font-size: 0.9375rem;
  line-height: 1.75;
  margin-bottom: 2.25rem;
}

.contact-meta-row {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  margin-bottom: 1.75rem;
}

.contact-meta-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-coral);
  font-size: 1.1rem;
}

.contact-meta-body h5 {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #94a3b8;
  margin-bottom: 0.25rem;
}

.contact-meta-body p, .contact-meta-body a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-white);
}

.contact-meta-body a:hover {
  color: var(--color-coral);
}

.rfq-form-panel {
  background-color: var(--color-bg-light);
  padding: clamp(2rem, 5vw, 3.5rem);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
}

.rfq-form-panel h3 {
  font-size: clamp(1.6rem, 3vw, 2rem);
  color: var(--color-navy-deep);
  margin-bottom: 0.5rem;
}

.rfq-form-panel .rfq-subtitle {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: 2rem;
}

.form-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
  margin-bottom: 1.25rem;
}

.form-field-group {
  margin-bottom: 1.25rem;
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-navy-deep);
  margin-bottom: 0.4rem;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  min-height: 48px;
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xs);
  font-size: 0.9375rem;
  color: var(--color-navy-deep);
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(255, 91, 74, 0.15);
}

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

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--color-navy-deep);
  color: #94a3b8;
  padding: clamp(4rem, 6vw, 5.5rem) 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3.5rem;
  margin-bottom: 4rem;
}

.footer-brand-block img {
  height: 46px;
  width: auto;
  filter: brightness(0) invert(1);
  margin-bottom: 1.35rem;
}

.footer-brand-block p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: #94a3b8;
  margin-bottom: 1.5rem;
}

.footer-column-title {
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 1.5rem;
}

.footer-links-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link-item {
  font-size: 0.875rem;
  color: #94a3b8;
  display: inline-block;
  transition: var(--transition-fast);
}

.footer-link-item:hover {
  color: var(--color-white);
  transform: translateX(4px);
}

.footer-badge-pill {
  display: inline-block;
  background: rgba(255, 255, 255, 0.08);
  padding: 0.35rem 0.65rem;
  border-radius: 4px;
  font-size: 0.75rem;
  color: #cbd5e1;
  font-weight: 700;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom-row {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.8125rem;
}

/* ==========================================================================
   Floating Quick Action Buttons
   ========================================================================== */
.btn-scroll-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  background-color: var(--color-coral);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-coral);
  border: none;
  cursor: pointer;
  z-index: 999;
  transition: var(--transition-normal);
  opacity: 0;
  visibility: hidden;
  font-size: 1.1rem;
}

.btn-scroll-top.show {
  opacity: 1;
  visibility: visible;
}

.btn-scroll-top:hover {
  transform: translateY(-3px);
  background-color: var(--color-coral-hover);
}

.btn-floating-whatsapp {
  position: fixed;
  bottom: 82px;
  right: 24px;
  width: 50px;
  height: 50px;
  background-color: #25d366;
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.45);
  z-index: 999;
  transition: var(--transition-normal);
  font-size: 1.5rem;
}

.btn-floating-whatsapp:hover {
  transform: scale(1.1);
  color: var(--color-white);
}

/* ==========================================================================
   Scroll Reveal Animations & Keyframes
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
  will-change: opacity, transform;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* Subtle pulse for badges */
@keyframes softPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.85; }
}

.pulse-badge {
  animation: softPulse 2.5s infinite ease-in-out;
}

/* ==========================================================================
   Mobile Navigation Drawer (Glassmorphism Slide-In)
   ========================================================================== */
.mobile-drawer-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 9, 25, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1001;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background: #0b0d26;
  z-index: 1002;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.6);
  padding: 2rem 1.75rem;
  display: flex;
  flex-direction: column;
  transition: right 0.4s var(--ease-out);
  overflow-y: auto;
}

.mobile-drawer.active {
  right: 0;
}

.mobile-drawer-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.mobile-drawer-close {
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0.5rem;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mobile-menu-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.mobile-menu-link {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: #cbd5e1;
  padding: 0.5rem 0;
  display: block;
  transition: var(--transition-fast);
}

.mobile-menu-link:hover, .mobile-menu-link.active {
  color: var(--color-coral);
  padding-left: 6px;
}

/* ==========================================================================
   Live Plant Operational Status Dot
   ========================================================================== */
.live-status-indicator {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #10b981;
  background: rgba(16, 185, 129, 0.1);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.live-status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background-color: #10b981;
  display: inline-block;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: liveStatusPulse 2s infinite;
}

@keyframes liveStatusPulse {
  0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.8); }
  70% { box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
  100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* ==========================================================================
   Video Showcase Lightbox Modal
   ========================================================================== */
.video-modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(7, 9, 25, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  z-index: 10005;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

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

.video-modal-container {
  background: #0b0d26;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  width: 100%;
  max-width: 880px;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.75);
  overflow: hidden;
  transform: scale(0.92);
  transition: transform 0.35s var(--ease-out);
}

.video-modal-backdrop.active .video-modal-container {
  transform: scale(1);
}

.video-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 1.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.video-modal-header h4 {
  color: var(--color-white);
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.video-modal-header h4 i {
  color: var(--color-coral);
}

.video-modal-close {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.6rem;
  cursor: pointer;
  padding: 0.25rem;
  min-height: 44px;
  min-width: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s ease;
}

.video-modal-close:hover {
  color: var(--color-coral);
}

.video-modal-body {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #000;
  overflow: hidden;
}

.video-modal-body img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-modal-body-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(11, 13, 38, 0.95) 0%, rgba(11, 13, 38, 0.45) 50%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 2rem;
  color: #ffffff;
}

.video-modal-body-overlay h3 {
  color: #ffffff;
}

.video-modal-footer {
  padding: 1.25rem 1.75rem;
  font-size: 0.875rem;
  color: #94a3b8;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  background: #0e1133;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

/* ==========================================================================
   Responsive Breakpoints & Mobile Optimization
   ========================================================================== */
@media (max-width: 1200px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .partners-table {
    grid-template-columns: repeat(3, 1fr);
  }
  .products-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .hero-center-col img {
    height: 400px;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3.5rem;
  }
  .about-media-stack {
    min-height: auto;
  }
  .about-img-primary {
    width: 100%;
    height: 360px;
  }
  .about-img-secondary {
    display: none;
  }
  .team-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .vertical-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .vertical-card-item {
    height: 320px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .full-gallery-strip {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-layout-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .top-notice-bar {
    display: none;
  }
  .site-header .header-inner {
    height: 72px;
  }
  .nav-menu {
    display: none;
  }
  .mobile-nav-toggle {
    display: flex;
  }
  .header-actions .btn-primary,
  .header-actions .btn-coral {
    display: none !important;
  }
  .btn-whatsapp-pill {
    padding: 0.45rem 0.9rem;
    font-size: 0.8125rem;
  }
  .hero-thumbnail-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .services-grid {
    grid-template-columns: 1fr;
  }
  .products-cards-grid {
    grid-template-columns: 1fr;
  }
  .vertical-cards-grid {
    grid-template-columns: 1fr;
  }
  .full-gallery-strip {
    grid-template-columns: 1fr;
  }
  .partners-table {
    grid-template-columns: repeat(2, 1fr);
  }
  .form-grid-2col {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .btn-floating-whatsapp {
    bottom: 76px;
    right: 18px;
    width: 46px;
    height: 46px;
  }
  .btn-scroll-top {
    bottom: 18px;
    right: 18px;
    width: 44px;
    height: 44px;
  }
}

@supports (padding: max(0px)) {
  body {
    padding-bottom: env(safe-area-inset-bottom);
  }
}

/* ==========================================================================
   Multi-Page Enterprise Additions (v3.0.0)
   ========================================================================== */

/* Page Hero Banner */
.page-hero-banner {
  background: linear-gradient(135deg, #070919 0%, #0e1133 60%, #151b47 100%);
  padding: 6.5rem 0 4.5rem;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.page-hero-banner::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: radial-gradient(rgba(255, 87, 51, 0.08) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 820px;
}

.page-hero-content h1 {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: 1rem;
}

.page-hero-content p {
  font-size: 1.125rem;
  color: #94a3b8;
  line-height: 1.7;
  margin-bottom: 1.75rem;
}

/* Breadcrumbs Navigation */
.breadcrumb-nav {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  font-size: 0.875rem;
  background: rgba(255, 255, 255, 0.06);
  padding: 0.45rem 1.15rem;
  border-radius: 9999px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.breadcrumb-nav a {
  color: #94a3b8;
  text-decoration: none;
  transition: color 0.2s ease;
}

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

.breadcrumb-nav i {
  font-size: 0.7rem;
  color: #64748b;
}

.breadcrumb-nav span {
  color: var(--color-coral);
  font-weight: 600;
}

/* Active Nav State */
.nav-menu .nav-link.active {
  color: var(--color-coral);
}

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

.mobile-menu-link.active {
  color: var(--color-coral) !important;
  font-weight: 700;
}

/* Team Grid (about.html) */
.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.team-card {
  background: var(--color-white);
  border: 1px solid var(--color-gray-border);
  border-radius: var(--radius-xs);
  padding: 1.75rem 1.5rem;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  position: relative;
  overflow: hidden;
}

.team-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--color-coral);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.team-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 16px 36px rgba(11, 13, 38, 0.08);
  border-color: #cbd5e1;
}

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

.team-avatar-placeholder {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #f1f5f9;
  color: var(--color-navy-deep);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.team-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-navy-deep);
  margin-bottom: 0.35rem;
}

.team-role {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-coral);
  margin-bottom: 0.5rem;
}

.team-qual {
  font-size: 0.8125rem;
  color: var(--color-gray-text);
  line-height: 1.5;
}

.team-experience-badge {
  display: inline-block;
  margin-top: 0.85rem;
  padding: 0.2rem 0.65rem;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 600;
  color: #475569;
}

/* Sister Concern Box */
.sister-concern-box {
  background: linear-gradient(135deg, #0e1133 0%, #151b47 100%);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 2.75rem;
  color: #ffffff;
  margin-top: 3.5rem;
}

.sister-concern-box h3 {
  color: #ffffff;
  font-size: 1.75rem;
  margin-bottom: 1rem;
}

.sister-concern-box p {
  color: #cbd5e1;
  font-size: 1rem;
  line-height: 1.75;
}

/* Gallery Grid (projects.html) */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.75rem;
  margin-top: 2.5rem;
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-xs);
  overflow: hidden;
  background: #000;
  aspect-ratio: 4 / 3;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
}

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

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

.gallery-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11, 13, 38, 0.92) 0%, rgba(11, 13, 38, 0.2) 60%, transparent 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 1.5rem;
  color: #ffffff;
  opacity: 0.95;
  transition: opacity 0.3s ease;
}

.gallery-overlay h4 {
  color: #ffffff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.gallery-overlay p {
  color: #cbd5e1;
  font-size: 0.8125rem;
}

/* Responsive Overrides for Multi-Page Elements */
@media (max-width: 1200px) {
  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .team-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .team-grid {
    grid-template-columns: 1fr;
  }
  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .sister-concern-box {
    padding: 1.75rem 1.25rem;
  }
}

/* ==========================================================================
   Refined Micro-Interactions & Components (v2.3.0)
   ========================================================================== */

/* 1. Hero Video Button & Active Slide Controls */
.btn-play-video {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
  background: transparent;
  border: none;
  color: var(--color-white);
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 600;
  padding: 0.4rem 0.6rem;
  transition: var(--transition-fast);
}

.btn-play-video:hover {
  color: #ff8577;
}

.play-icon-ring {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 91, 74, 0.2);
  border: 2px solid var(--color-coral);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-coral);
  font-size: 0.95rem;
  position: relative;
  transition: var(--transition-normal);
}

.play-icon-ring::before {
  content: '';
  position: absolute;
  inset: -6px;
  border-radius: 50%;
  border: 1.5px solid rgba(255, 91, 74, 0.4);
  animation: playPulse 2s infinite ease-out;
}

@keyframes playPulse {
  0% { transform: scale(0.9); opacity: 0.8; }
  100% { transform: scale(1.35); opacity: 0; }
}

.btn-play-video:hover .play-icon-ring {
  background: var(--color-coral);
  color: #fff;
  transform: scale(1.06);
}

.hero-thumb-link.active-thumb {
  border-color: var(--color-coral) !important;
  box-shadow: 0 0 15px rgba(255, 91, 74, 0.5) !important;
}

.hero-thumb-link.active-thumb .hero-thumb-label {
  background: var(--color-coral) !important;
  color: #fff;
}

/* 2. Filter Tabs (Products & Projects) */
.filter-tabs-container {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  flex-wrap: wrap;
  margin-bottom: 2.5rem;
}

.filter-pill-btn {
  background: #f1f5f9;
  border: 1px solid #e2e8f0;
  color: #475569;
  padding: 0.6rem 1.35rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-pill-btn:hover {
  background: #e2e8f0;
  color: var(--color-navy-deep);
}

.filter-pill-btn.active {
  background: var(--color-navy-deep);
  color: #ffffff;
  border-color: var(--color-navy-deep);
  box-shadow: 0 4px 14px rgba(11, 13, 38, 0.2);
}

/* 3. Product Card Actions */
.product-card-actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 1.25rem;
}

.btn-quick-spec {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: #f8fafc;
  border: 1px solid #cbd5e1;
  color: #334155;
  padding: 0.65rem 0.95rem;
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-quick-spec:hover {
  background: #e2e8f0;
  color: var(--color-navy-deep);
  border-color: #94a3b8;
}

.btn-product-rfq {
  flex: 1.4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  background: var(--color-coral);
  color: #fff;
  border: none;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-xs);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition-fast);
}

.btn-product-rfq:hover {
  background: var(--color-coral-hover);
  color: #fff;
}

/* 4. Technical Quick Spec Modal */
.tech-modal-backdrop,
.video-modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(7, 9, 25, 0.82);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  z-index: 10005;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}

.tech-modal-backdrop.active,
.video-modal-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.tech-modal-dialog,
.video-modal-dialog {
  background: #ffffff;
  border-radius: var(--radius-md);
  max-width: 780px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.4);
  transform: translateY(20px);
  transition: transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.tech-modal-backdrop.active .tech-modal-dialog,
.video-modal-backdrop.active .video-modal-dialog {
  transform: translateY(0);
}

.tech-modal-close,
.video-modal-close {
  position: absolute;
  top: 1rem;
  right: 1.25rem;
  background: #f1f5f9;
  border: none;
  font-size: 1.5rem;
  line-height: 1;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  color: #475569;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
  z-index: 10;
}

.tech-modal-close:hover,
.video-modal-close:hover {
  background: var(--color-coral);
  color: #ffffff;
}

.tech-modal-body {
  padding: 2.25rem;
}

.tech-spec-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 2rem;
  margin-top: 1.5rem;
}

.tech-spec-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84375rem;
}

.tech-spec-table tr {
  border-bottom: 1px solid #e2e8f0;
}

.tech-spec-table td {
  padding: 0.55rem 0.25rem;
}

.tech-spec-table td:first-child {
  font-weight: 600;
  color: #475569;
  width: 45%;
}

.tech-spec-table td:last-child {
  color: var(--color-navy-deep);
  font-weight: 500;
}

/* 5. Fullscreen Photo Lightbox */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background: rgba(5, 7, 20, 0.94);
  backdrop-filter: blur(12px);
  z-index: 10010;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
  padding: 1.5rem;
}

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

.lightbox-close {
  position: absolute;
  top: 1.5rem;
  right: 1.5rem;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 1.75rem;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.lightbox-close:hover {
  background: var(--color-coral);
  border-color: var(--color-coral);
}

.lightbox-nav-btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  cursor: pointer;
  transition: var(--transition-fast);
}

.lightbox-nav-btn:hover {
  background: var(--color-coral);
  border-color: var(--color-coral);
}

.lightbox-nav-btn.prev { left: 2rem; }
.lightbox-nav-btn.next { right: 2rem; }

.lightbox-content {
  max-width: 900px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-content img {
  max-width: 100%;
  max-height: 75vh;
  object-fit: contain;
  border-radius: var(--radius-xs);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
}

.lightbox-caption {
  margin-top: 1rem;
  color: #f1f5f9;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  text-align: center;
}

/* 6. 5-Step Infrastructure Workflow Timeline (Services) */
.workflow-section {
  background-color: var(--color-navy-deep);
  color: #ffffff;
  padding: 5.5rem 0;
  position: relative;
}

.workflow-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
  position: relative;
}

.workflow-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 1.75rem 1.25rem;
  position: relative;
  transition: var(--transition-normal);
}

.workflow-card:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--color-coral);
  transform: translateY(-5px);
}

.workflow-step-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--color-coral);
  line-height: 1;
  margin-bottom: 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.workflow-card h4 {
  color: #ffffff;
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  line-height: 1.35;
}

.workflow-card p {
  color: #94a3b8;
  font-size: 0.8125rem;
  line-height: 1.6;
}

/* 7. Technical FAQ Accordion */
.faq-accordion {
  max-width: 860px;
  margin: 3rem auto 0;
}

.faq-item {
  border: 1px solid #e2e8f0;
  border-radius: var(--radius-sm);
  background: #ffffff;
  margin-bottom: 1rem;
  overflow: hidden;
  transition: var(--transition-fast);
}

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

.faq-header {
  padding: 1.25rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-navy-deep);
  background: transparent;
  width: 100%;
  border: none;
  text-align: left;
}

.faq-toggle-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #f1f5f9;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-coral);
  font-size: 0.85rem;
  transition: transform 0.3s ease;
  flex-shrink: 0;
}

.faq-item.active .faq-toggle-icon {
  transform: rotate(180deg);
  background: var(--color-coral);
  color: #ffffff;
}

.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease-out;
  padding: 0 1.5rem;
  color: #475569;
  font-size: 0.9375rem;
  line-height: 1.7;
}

.faq-item.active .faq-content {
  padding-bottom: 1.35rem;
}

/* 8. Mobile Sticky Quick Action Bar */
.mobile-bottom-bar {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(11, 13, 38, 0.98);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 9999;
  padding: 0.5rem 0.75rem;
  box-shadow: 0 -5px 25px rgba(0, 0, 0, 0.35);
}

.mobile-bottom-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-around;
  max-width: 500px;
  margin: 0 auto;
}

.bottom-action-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  color: #cbd5e1;
  font-size: 0.6875rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
}

.bottom-action-btn i {
  font-size: 1.15rem;
}

.bottom-action-btn.action-whatsapp {
  color: #25d366;
}

.bottom-action-btn.action-rfq {
  background: var(--color-coral);
  color: #ffffff;
  padding: 0.45rem 1rem;
  border-radius: var(--radius-full);
}

.bottom-action-btn.action-rfq:hover {
  background: var(--color-coral-hover);
  color: #ffffff;
}

@media (max-width: 768px) {
  .mobile-bottom-bar {
    display: block;
  }
  body {
    padding-bottom: 60px;
  }
  .workflow-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  .tech-spec-grid {
    grid-template-columns: 1fr;
  }
  .lightbox-nav-btn {
    width: 40px;
    height: 40px;
    font-size: 1rem;
  }
  .lightbox-nav-btn.prev { left: 0.5rem; }
  .lightbox-nav-btn.next { right: 0.5rem; }
}

@media (max-width: 1100px) and (min-width: 769px) {
  .workflow-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}


/* ==========================================================================
   Brand Logo & Header Navigation Elements
   ========================================================================== */
.brand-name-group {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: var(--color-white);
}

.brand-subtitle {
  font-family: var(--font-body);
  font-size: 0.625rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #94a3b8;
}

.top-notice-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.75rem;
  color: #94a3b8;
  gap: 1rem;
}

.top-notice-meta {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.top-notice-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: rgba(255, 91, 74, 0.18);
  color: #ff8577;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
  font-size: 0.6875rem;
}

.top-notice-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
}

.top-notice-item i {
  color: var(--color-coral);
  font-size: 0.75rem;
}

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

.top-notice-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  color: #cbd5e1;
  text-decoration: none;
  font-weight: 600;
  transition: color var(--transition-fast);
}

.top-notice-link:hover {
  color: var(--color-coral);
}

.top-notice-link i {
  color: var(--color-coral);
}

/* ==========================================================================
   Section Layout & Standard Typography
   ========================================================================== */
.section-padding {
  padding: clamp(4.5rem, 7vw, 6.5rem) 0;
}

.bg-light {
  background-color: var(--color-bg-light);
}

.bg-white {
  background-color: var(--color-white);
}

.section-header-center {
  text-align: center;
  max-width: 780px;
  margin: 0 auto 3.5rem auto;
}

.section-header-center h2 {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  font-weight: 800;
  color: var(--color-navy-deep);
  line-height: 1.2;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-coral);
  background: rgba(255, 91, 74, 0.1);
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1rem;
  border: 1px solid rgba(255, 91, 74, 0.2);
}

.section-subtitle {
  font-size: 1.05rem;
  line-height: 1.75;
  color: var(--color-text-muted);
  max-width: 680px;
  margin: 0 auto;
}

.paragraph-lead {
  font-size: 1.15rem;
  line-height: 1.8;
  color: var(--color-navy-deep);
  font-weight: 500;
  margin-bottom: 1.25rem;
}

/* ==========================================================================
   Animated Statistics Strip Section
   ========================================================================== */
.statistics-strip-section {
  background: linear-gradient(180deg, #0b0d26 0%, #111538 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 3rem 0;
  position: relative;
  z-index: 5;
}

.statistics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  align-items: center;
}

.statistic-cell {
  text-align: center;
  padding: 0.75rem 1.5rem;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
  transition: transform var(--transition-fast);
}

.statistic-cell:last-child {
  border-right: none;
}

.statistic-cell:hover {
  transform: translateY(-4px);
}

.statistic-value {
  font-family: var(--font-heading);
  font-size: clamp(2.2rem, 3.5vw, 3rem);
  font-weight: 800;
  color: var(--color-coral);
  line-height: 1.1;
  margin-bottom: 0.4rem;
  letter-spacing: -0.02em;
}

.statistic-descriptor {
  font-size: 0.8125rem;
  font-weight: 600;
  color: #cbd5e1;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  line-height: 1.4;
}

@media (max-width: 992px) {
  .statistics-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem 1.5rem;
  }
  .statistic-cell:nth-child(2) {
    border-right: none;
  }
}

@media (max-width: 540px) {
  .statistics-grid {
    grid-template-columns: 1fr;
    gap: 1.75rem;
  }
  .statistic-cell {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1.5rem;
  }
  .statistic-cell:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }
}

/* ==========================================================================
   Product Cards & Engineered Specifications
   ========================================================================== */
.product-image-container {
  position: relative;
  overflow: hidden;
  height: 230px;
  background-color: #f1f5f9;
}

.product-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

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

.product-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(11, 13, 38, 0.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #ffffff;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(255, 255, 255, 0.15);
  text-transform: uppercase;
  z-index: 2;
}

.product-body {
  padding: 1.75rem 1.5rem 1.5rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.product-category {
  font-size: 0.6875rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-coral);
  margin-bottom: 0.4rem;
}

.product-title {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--color-navy-deep);
  line-height: 1.3;
  margin-bottom: 0.75rem;
}

.product-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  margin-bottom: 1.25rem;
  flex-grow: 1;
}

.product-specs-list {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  margin: 0 0 1.5rem 0;
  padding: 0.85rem 1rem;
  background: var(--color-bg-light);
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-border-light);
  font-size: 0.8125rem;
}

.spec-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.75rem;
}

.spec-name {
  color: var(--color-text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}

.spec-val {
  color: var(--color-navy-deep);
  font-weight: 700;
  text-align: right;
  font-size: 0.8125rem;
}

/* ==========================================================================
   About Flex Grid & Credential Tags
   ========================================================================== */
.about-flex-grid {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.about-visual-col {
  position: relative;
}

.about-content-col {
  display: flex;
  flex-direction: column;
}

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

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

.experience-floating-badge {
  position: absolute;
  bottom: -20px;
  right: -20px;
  background: var(--color-navy-deep);
  border: 3px solid var(--color-coral);
  color: var(--color-white);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-xs);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  z-index: 3;
}

.experience-number {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-coral);
  line-height: 1;
}

.experience-text {
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #cbd5e1;
  margin-top: 0.25rem;
}

.credential-tags-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.5rem;
}

.credential-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-navy-deep);
}

.credential-tag i {
  color: var(--color-coral);
}

@media (max-width: 992px) {
  .about-flex-grid {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .experience-floating-badge {
    bottom: 15px;
    right: 15px;
  }
}

/* ==========================================================================
   Contact Layout & RFQ Forms
   ========================================================================== */
.contact-two-column-layout {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: 3.5rem;
  align-items: start;
}

.contact-information-block h3,
.contact-form-block h3 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-navy-deep);
  margin-bottom: 1rem;
}

.contact-details-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
  margin: 2rem 0;
}

.contact-info-card {
  background: var(--color-bg-light);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xs);
  padding: 1.5rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.contact-info-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-coral);
}

.contact-info-icon {
  width: 44px;
  height: 44px;
  min-width: 44px;
  background: rgba(255, 91, 74, 0.12);
  color: var(--color-coral);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
}

.contact-form-block {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-sm);
  padding: 2.5rem;
  box-shadow: var(--shadow-md);
}

.rfq-form-container {
  display: flex;
  flex-direction: column;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.25rem;
}

.form-group {
  margin-bottom: 1.25rem;
}

.form-group label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--color-navy-deep);
  margin-bottom: 0.45rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xs);
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--color-navy-deep);
  background-color: var(--color-bg-light);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-coral);
  box-shadow: 0 0 0 3px rgba(255, 91, 74, 0.15);
  background-color: var(--color-white);
}

.form-success-banner {
  background: #ecfdf5;
  border: 1px solid #a7f3d0;
  color: #065f46;
  padding: 1rem 1.25rem;
  border-radius: var(--radius-xs);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  font-size: 0.875rem;
}

@media (max-width: 992px) {
  .contact-two-column-layout {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .contact-details-grid {
    grid-template-columns: 1fr;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   Partners, Project Tags & Utility Components
   ========================================================================== */
.partner-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-xs);
  padding: 1.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.partner-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--color-coral);
}

.partner-card img {
  max-height: 48px;
  width: auto;
  filter: grayscale(100%);
  opacity: 0.75;
  transition: filter var(--transition-fast), opacity var(--transition-fast);
}

.partner-card:hover img {
  filter: grayscale(0%);
  opacity: 1;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  background: rgba(255, 91, 74, 0.1);
  color: var(--color-coral);
  border-radius: var(--radius-xs);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 1.25rem;
}

.project-tag {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  background: rgba(255, 91, 74, 0.12);
  color: var(--color-coral);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  margin-bottom: 0.5rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--color-navy-deep);
  color: var(--color-white);
  padding: 0.85rem 1.65rem;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  border-radius: var(--radius-xs);
  border: 1px solid var(--color-navy-deep);
  cursor: pointer;
  text-decoration: none;
  transition: var(--transition-fast);
}

.btn-secondary:hover {
  background-color: var(--color-coral);
  border-color: var(--color-coral);
  color: var(--color-white);
  transform: translateY(-2px);
}

.btn-text-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-coral);
  font-weight: 700;
  font-size: 0.875rem;
  text-decoration: none;
  transition: gap var(--transition-fast);
}

.btn-text-link:hover {
  gap: 0.85rem;
  color: #ff3b24;
}

.footer-bottom-bar {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 2rem;
  margin-top: 3.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.8125rem;
  color: #64748b;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-credit {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.8125rem;
  color: #94a3b8;
}

.footer-credit a {
  color: var(--color-coral);
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition-fast), text-decoration var(--transition-fast);
}

.footer-credit a:hover {
  color: #ff8577;
  text-decoration: underline;
}

@media (max-width: 768px) {
  .footer-bottom-bar {
    flex-direction: column;
    text-align: center;
    gap: 0.75rem;
  }
}

/* Aliases & Helpers */
.mobile-drawer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 2rem;
}

.mobile-drawer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
  padding: 0;
}

.mobile-drawer-actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-trigger {
  cursor: pointer;
  position: relative;
}

.lightbox-trigger::after {
  content: '00e';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  position: absolute;
  top: 12px;
  right: 12px;
  background: rgba(11, 13, 38, 0.75);
  color: #ffffff;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8125rem;
  opacity: 0;
  transform: scale(0.8);
  transition: all var(--transition-fast);
  pointer-events: none;
}

.lightbox-trigger:hover::after {
  opacity: 1;
  transform: scale(1);
}

.slide-progress-caption {
  font-size: 0.75rem;
  color: #94a3b8;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}