/* ==========================================================================
   PT MULTIDAYA MITRA SINERGI (MMS)
   Official Master Design System & Core Stylesheet
   Architecture: Vanilla Modern CSS (Light-first, Industrial Editorial)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600&family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');

:root {
  /* --- Brand Color Tokens --- */
  --mms-red: #D92314;
  --mms-red-dark: #B0180C;
  --mms-red-deep: #851006;
  --mms-red-light: #FDE8E7;
  --mms-red-subtle: #FFF5F4;
  --mms-red-glow: rgba(217, 35, 20, 0.22);

  /* --- Charcoal & Slate Contrast --- */
  --charcoal-950: #090D14;
  --charcoal-900: #0F172A;
  --charcoal-850: #151E2E;
  --charcoal-800: #1E293B;
  --charcoal-700: #334155;
  --charcoal-600: #475569;
  --charcoal-500: #64748B;
  --charcoal-400: #94A3B8;

  /* --- Light Canvas & Surface Tokens --- */
  --surface-bg: #FFFFFF;
  --surface-warm: #F8FAFC;
  --surface-muted: #F1F5F9;
  --surface-card: #FFFFFF;
  --surface-border: #E2E8F0;
  --surface-border-subtle: #EDF2F7;
  --surface-border-strong: #CBD5E1;

  /* --- Industrial Amber / Status --- */
  --industrial-amber: #D97706;
  --industrial-amber-light: #FEF3C7;
  --industrial-green: #059669;

  /* --- Typography Families --- */
  --font-display: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* --- Container & Layout --- */
  --container-max: 1260px;
  --container-wide: 1360px;
  --gutter: clamp(1rem, 3.5vw, 2.25rem);
  --header-height: 84px;
  --topbar-height: 40px;

  /* --- Shadows & Elevation --- */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 10px 25px -4px rgba(15, 23, 42, 0.08), 0 4px 10px -2px rgba(15, 23, 42, 0.03);
  --shadow-lg: 0 20px 40px -8px rgba(15, 23, 42, 0.12), 0 8px 16px -4px rgba(15, 23, 42, 0.04);
  --shadow-card: 0 1px 3px rgba(15, 23, 42, 0.04), 0 8px 24px -4px rgba(15, 23, 42, 0.06);
  --shadow-card-hover: 0 20px 40px -10px rgba(15, 23, 42, 0.14), 0 8px 16px -4px rgba(217, 35, 20, 0.08);

  /* --- Radii --- */
  --radius-xs: 4px;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-xl: 24px;
  --radius-pill: 9999px;

  /* --- Transitions --- */
  --transition-fast: 160ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-normal: 260ms cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 400ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base & Resets
   ========================================================================== */

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--charcoal-700);
  background-color: var(--surface-bg);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -20%, rgba(217, 35, 20, 0.03), transparent),
    radial-gradient(circle 1000px at 100% 10%, rgba(15, 23, 42, 0.015), transparent);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, textarea, select {
  font: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

ul, ol {
  list-style: none;
}

/* ==========================================================================
   Typography Hierarchy
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--charcoal-900);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.display-title {
  font-size: clamp(2.25rem, 5vw + 0.5rem, 4.25rem);
  font-weight: 800;
  line-height: 1.08;
  letter-spacing: -0.035em;
  color: var(--charcoal-950);
}

.section-title {
  font-size: clamp(1.85rem, 3.2vw, 2.75rem);
  font-weight: 700;
  line-height: 1.18;
  letter-spacing: -0.025em;
  color: var(--charcoal-950);
  margin-bottom: 0.85rem;
}

.section-title span.highlight {
  color: var(--mms-red);
}

.section-lead {
  font-size: clamp(1.05rem, 1.2vw, 1.2rem);
  line-height: 1.6;
  color: var(--charcoal-600);
  max-width: 68ch;
}

.editorial-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--mms-red);
  margin-bottom: 0.75rem;
}

.editorial-tag::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 2px;
  background-color: var(--mms-red);
}

.mono-metric {
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ==========================================================================
   Layout Containers
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.container-wide {
  width: 100%;
  max-width: var(--container-wide);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section-spacing {
  padding-top: clamp(4rem, 8vw, 7.5rem);
  padding-bottom: clamp(4rem, 8vw, 7.5rem);
}

.section-header {
  margin-bottom: clamp(2.5rem, 4.5vw, 4rem);
}

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

.section-header.text-center .section-lead {
  margin-left: auto;
  margin-right: auto;
}

/* ==========================================================================
   Top Utility Bar & Global Header
   ========================================================================== */

.site-topbar {
  background-color: var(--charcoal-950);
  color: var(--charcoal-400);
  font-size: 0.8125rem;
  font-weight: 500;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--topbar-height);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 1001;
}

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

.topbar-meta {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.topbar-item {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--charcoal-400);
}

.topbar-item a:hover {
  color: #FFFFFF;
}

.topbar-item i {
  color: var(--mms-red);
  font-size: 0.95rem;
}

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

.topbar-tag {
  font-family: var(--font-mono);
  font-size: 0.725rem;
  color: #FFFFFF;
  background-color: rgba(255, 255, 255, 0.08);
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.04em;
}

/* Main Navigation Header */
.site-header {
  position: sticky;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--surface-border-subtle);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: rgba(255, 255, 255, 0.98);
  border-bottom-color: var(--surface-border);
  box-shadow: 0 4px 20px -2px rgba(15, 23, 42, 0.07);
  height: 74px;
}

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

/* Brand Logo */
.brand-lockup {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  text-decoration: none;
}

.brand-logo-img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.brand-lockup:hover .brand-logo-img {
  transform: scale(1.03);
}

.brand-text-block {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--charcoal-950);
  line-height: 1.15;
}

.brand-subtitle {
  font-size: 0.725rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mms-red);
  line-height: 1.2;
}

/* Navigation Links */
.desktop-nav {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.6rem 0.95rem;
  font-size: 0.9125rem;
  font-weight: 600;
  color: var(--charcoal-700);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--mms-red);
  background-color: rgba(217, 35, 20, 0.04);
}

.nav-link.active {
  color: var(--mms-red);
  background-color: var(--mms-red-subtle);
  font-weight: 700;
}

/* Dropdown Menu */
.nav-item-dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 270px;
  background-color: #FFFFFF;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition-normal);
  pointer-events: none;
}

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

.dropdown-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--charcoal-800);
  transition: all var(--transition-fast);
}

.dropdown-link:hover {
  background-color: var(--surface-warm);
  color: var(--mms-red);
  padding-left: 1.05rem;
}

.dropdown-badge {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-xs);
  background-color: var(--surface-muted);
  color: var(--charcoal-600);
}

/* Header Action CTA */
.header-actions {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.btn-quote-header {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.65rem 1.25rem;
  background-color: var(--mms-red);
  color: #FFFFFF;
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  border-radius: var(--radius-sm);
  box-shadow: 0 2px 8px var(--mms-red-glow);
  transition: all var(--transition-fast);
}

.btn-quote-header:hover {
  background-color: var(--mms-red-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--mms-red-glow);
  color: #FFFFFF;
}

.mobile-toggle-btn {
  display: none;
  font-size: 1.75rem;
  color: var(--charcoal-900);
  padding: 0.4rem;
  border-radius: var(--radius-sm);
}

/* ==========================================================================
   Mobile Navigation Drawer
   ========================================================================== */

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1100;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-normal);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(85vw, 360px);
  background-color: #FFFFFF;
  z-index: 1200;
  padding: 1.75rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transform: translateX(100%);
  transition: transform var(--transition-smooth);
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
  overflow-y: auto;
}

.mobile-drawer.is-active {
  transform: translateX(0);
}

.drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--surface-border);
}

.drawer-close-btn {
  font-size: 1.85rem;
  color: var(--charcoal-700);
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-top: 1.5rem;
}

.mobile-nav-link {
  display: block;
  padding: 0.85rem 1rem;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--charcoal-900);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.mobile-nav-link:hover, .mobile-nav-link.active {
  background-color: var(--mms-red-subtle);
  color: var(--mms-red);
}

.mobile-sub-menu {
  padding-left: 1rem;
  margin-top: 0.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  border-left: 2px solid var(--surface-border);
  margin-left: 1rem;
}

.mobile-sub-link {
  display: block;
  padding: 0.5rem 0.75rem;
  font-size: 0.925rem;
  color: var(--charcoal-600);
  border-radius: var(--radius-xs);
}

.mobile-sub-link:hover {
  color: var(--mms-red);
}

.drawer-footer {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--surface-border);
}

/* ==========================================================================
   Buttons & Interactive Elements
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1;
  padding: 0.85rem 1.65rem;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--mms-red);
  color: #FFFFFF;
  box-shadow: 0 4px 14px var(--mms-red-glow);
}

.btn-primary:hover {
  background-color: var(--mms-red-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--mms-red-glow);
  color: #FFFFFF;
}

.btn-secondary {
  background-color: var(--charcoal-900);
  color: #FFFFFF;
}

.btn-secondary:hover {
  background-color: var(--charcoal-800);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.15);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  color: var(--charcoal-800);
  border: 1.5px solid var(--surface-border-strong);
}

.btn-outline:hover {
  border-color: var(--mms-red);
  color: var(--mms-red);
  background-color: var(--mms-red-subtle);
  transform: translateY(-2px);
}

.btn-white {
  background-color: #FFFFFF;
  color: var(--charcoal-950);
  box-shadow: var(--shadow-sm);
}

.btn-white:hover {
  background-color: var(--surface-warm);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-lg {
  padding: 1.05rem 2.15rem;
  font-size: 1.025rem;
  font-weight: 700;
}

.btn-sm {
  padding: 0.55rem 1rem;
  font-size: 0.8125rem;
}

/* ==========================================================================
   Hero Section — Cinematic Industrial Editorial
   ========================================================================== */

.hero-editorial {
  position: relative;
  background-color: var(--charcoal-950);
  color: #FFFFFF;
  padding-top: clamp(6.5rem, 11vw, 9.5rem);
  padding-bottom: clamp(4rem, 8vw, 6.5rem);
  overflow: hidden;
}

.hero-bg-layer {
  position: absolute;
  inset: 0;
  z-index: 1;
}

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center right;
  opacity: 0.82;
  filter: contrast(1.06) brightness(0.96);
  transform: scale(1.02);
  transition: transform 10s ease;
}

.hero-editorial:hover .hero-bg-img {
  transform: scale(1.04);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  /* Directional gradient: darker on the left to keep text ultra-crisp, but clear and open on the center/right so the mining truck in action is prominently visible */
  background: 
    linear-gradient(90deg, rgba(10, 15, 26, 0.88) 0%, rgba(10, 15, 26, 0.74) 45%, rgba(10, 15, 26, 0.32) 75%, rgba(10, 15, 26, 0.18) 100%),
    linear-gradient(180deg, rgba(10, 15, 26, 0.45) 0%, transparent 22%, transparent 72%, rgba(10, 15, 26, 0.92) 100%);
  z-index: 2;
}

.hero-grid-pattern {
  position: absolute;
  inset: 0;
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(255, 255, 255, 0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
  z-index: 3;
  pointer-events: none;
  opacity: 0.25;
}

.hero-container {
  position: relative;
  z-index: 4;
}

.hero-content {
  position: relative;
  max-width: 900px;
  margin-left: 0;
  margin-right: auto;
  text-align: left;
}

@keyframes heroGlideUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-badge-strip {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
  backdrop-filter: blur(6px);
  animation: heroGlideUp 0.75s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}

.hero-badge-strip .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--mms-red);
  border-radius: 50%;
  box-shadow: 0 0 0 3px rgba(217, 35, 20, 0.35);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(217, 35, 20, 0.6); }
  70% { box-shadow: 0 0 0 8px rgba(217, 35, 20, 0); }
  100% { box-shadow: 0 0 0 0 rgba(217, 35, 20, 0); }
}

.hero-badge-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: #FFFFFF;
}

.hero-title {
  color: #FFFFFF;
  margin-bottom: 1.5rem;
  animation: heroGlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.22s both;
}

.hero-lead {
  font-size: clamp(1.05rem, 1.4vw, 1.28rem);
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 2.25rem;
  max-width: 68ch;
  animation: heroGlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.35s both;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem;
  margin-bottom: 3.5rem;
  animation: heroGlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.48s both;
}

/* Operational KPI Strip */
.kpi-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  animation: heroGlideUp 0.85s cubic-bezier(0.16, 1, 0.3, 1) 0.62s both;
}

.kpi-item {
  display: flex;
  flex-direction: column;
}

.kpi-val {
  font-family: var(--font-mono);
  font-size: clamp(1.75rem, 2.5vw, 2.35rem);
  font-weight: 700;
  color: #FFFFFF;
  line-height: 1.1;
  display: flex;
  align-items: baseline;
  gap: 0.2rem;
}

.kpi-val span.accent {
  color: var(--mms-red);
}

.kpi-label {
  font-size: 0.8125rem;
  color: var(--charcoal-400);
  font-weight: 500;
  margin-top: 0.35rem;
}

/* ==========================================================================
   About Section — Asymmetric Two-Column Editorial
   ========================================================================== */

.about-editorial {
  background-color: var(--surface-bg);
  position: relative;
}

.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: clamp(2.5rem, 5vw, 5rem);
  align-items: center;
}

.about-visuals {
  position: relative;
}

.about-main-img-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--surface-border);
  position: relative;
}

.about-main-img-wrap img {
  width: 100%;
  height: clamp(380px, 45vw, 540px);
  object-fit: cover;
}

.about-floating-card {
  position: absolute;
  bottom: -24px;
  right: -24px;
  background-color: #FFFFFF;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--surface-border);
  max-width: 270px;
}

.about-floating-card .card-metric {
  font-family: var(--font-mono);
  font-size: 1.85rem;
  font-weight: 700;
  color: var(--mms-red);
  line-height: 1;
}

.about-floating-card .card-caption {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--charcoal-700);
  margin-top: 0.4rem;
}

.about-content-body {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.about-content-body p {
  color: var(--charcoal-600);
  line-height: 1.7;
}

.pillar-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.85rem;
  margin: 1rem 0;
}

.pillar-item {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 0.95rem;
  background-color: var(--surface-warm);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--charcoal-800);
}

.pillar-item i {
  color: var(--mms-red);
  font-size: 1.15rem;
}

.about-downloads {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem;
  margin-top: 0.85rem;
}

/* ==========================================================================
   Core Capabilities & Vehicle Solutions Grid
   ========================================================================== */

.capabilities-section {
  background-color: var(--surface-warm);
  border-top: 1px solid var(--surface-border-subtle);
  border-bottom: 1px solid var(--surface-border-subtle);
}

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

.capability-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.capability-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(217, 35, 20, 0.3);
}

.capability-img-wrap {
  position: relative;
  width: 100%;
  height: 280px;
  overflow: hidden;
  background-color: var(--charcoal-900);
}

.capability-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

.capability-card:hover .capability-img-wrap img {
  transform: scale(1.06);
}

.capability-category-badge {
  position: absolute;
  top: 1rem;
  left: 1rem;
  background-color: rgba(9, 13, 20, 0.85);
  backdrop-filter: blur(8px);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.725rem;
  font-weight: 600;
  text-transform: uppercase;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.06em;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.capability-body {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.capability-title {
  font-size: 1.45rem;
  margin-bottom: 0.75rem;
}

.capability-desc {
  font-size: 0.9375rem;
  color: var(--charcoal-600);
  line-height: 1.6;
  margin-bottom: 1.25rem;
}

.capability-specs-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
}

.spec-chip {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.3rem 0.65rem;
  border-radius: var(--radius-xs);
  background-color: var(--surface-warm);
  border: 1px solid var(--surface-border);
  color: var(--charcoal-700);
  font-weight: 500;
}

.capability-footer-action {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1.25rem;
  border-top: 1px solid var(--surface-border-subtle);
}

.link-with-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--mms-red);
  transition: gap var(--transition-fast);
}

.link-with-arrow:hover {
  gap: 0.75rem;
  color: var(--mms-red-dark);
}

/* ==========================================================================
   Engineering Workflow Process (5 Stages)
   ========================================================================== */

.process-section {
  background-color: var(--surface-bg);
}

.process-steps-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.process-step-card {
  background-color: var(--surface-warm);
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  padding: 1.75rem 1.25rem;
  display: flex;
  flex-direction: column;
  transition: all var(--transition-fast);
  position: relative;
}

.process-step-card:hover {
  background-color: #FFFFFF;
  border-color: var(--mms-red);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.process-step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: transparent;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  transition: background-color var(--transition-fast);
}

.process-step-card:hover::before {
  background-color: var(--mms-red);
}

.step-num {
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--mms-red);
  margin-bottom: 0.85rem;
}

.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.65rem;
  line-height: 1.3;
}

.step-desc {
  font-size: 0.835rem;
  color: var(--charcoal-600);
  line-height: 1.55;
}

/* ==========================================================================
   Projects Showcase & Interactive Filter
   ========================================================================== */

.projects-section {
  background-color: var(--surface-warm);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2.75rem;
}

.filter-btn {
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.6rem 1.25rem;
  border-radius: var(--radius-pill);
  background-color: #FFFFFF;
  color: var(--charcoal-700);
  border: 1px solid var(--surface-border);
  transition: all var(--transition-fast);
}

.filter-btn:hover {
  border-color: var(--mms-red);
  color: var(--mms-red);
}

.filter-btn.active {
  background-color: var(--charcoal-900);
  color: #FFFFFF;
  border-color: var(--charcoal-900);
}

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

.project-item-card {
  background-color: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--surface-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  cursor: pointer;
  position: relative;
}

.project-item-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(217, 35, 20, 0.35);
}

.project-card-thumb {
  position: relative;
  width: 100%;
  height: 250px;
  overflow: hidden;
  background-color: var(--charcoal-900);
}

.project-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-smooth);
}

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

.project-overlay-badge {
  position: absolute;
  bottom: 0.85rem;
  left: 0.85rem;
  background-color: rgba(9, 13, 20, 0.8);
  backdrop-filter: blur(4px);
  color: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-xs);
  letter-spacing: 0.05em;
}

.project-card-meta {
  padding: 1.25rem;
}

.project-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 0.4rem;
}

.project-card-caption {
  font-size: 0.8125rem;
  color: var(--charcoal-500);
  line-height: 1.45;
}

/* ==========================================================================
   Trust & Technical Strengths
   ========================================================================== */

.trust-section {
  background-color: #FFFFFF;
}

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

.trust-card {
  padding: 2rem 1.5rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-md);
  background-color: var(--surface-warm);
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  transition: all var(--transition-fast);
}

.trust-card:hover {
  background-color: #FFFFFF;
  border-color: var(--mms-red);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.trust-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--mms-red-subtle);
  color: var(--mms-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.trust-title {
  font-size: 1.15rem;
  font-weight: 700;
}

.trust-desc {
  font-size: 0.875rem;
  color: var(--charcoal-600);
  line-height: 1.6;
}

/* ==========================================================================
   Contact & Fast Inquiry Hub
   ========================================================================== */

.inquiry-section {
  background-color: var(--surface-warm);
  border-top: 1px solid var(--surface-border);
}

.inquiry-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: clamp(2rem, 4vw, 4rem);
  align-items: start;
}

.inquiry-info-pane {
  display: flex;
  flex-direction: column;
  gap: 1.75rem;
}

.contact-card-box {
  background-color: #FFFFFF;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.contact-icon-wrapper {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--mms-red-subtle);
  color: var(--mms-red);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  flex-shrink: 0;
}

.contact-text-meta h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--charcoal-500);
  margin-bottom: 0.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-family: var(--font-mono);
}

.contact-text-meta p, .contact-text-meta a {
  font-size: 1rem;
  font-weight: 600;
  color: var(--charcoal-900);
}

.contact-text-meta a:hover {
  color: var(--mms-red);
}

/* Inquiry Form */
.inquiry-form-card {
  background-color: #FFFFFF;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 3.5vw, 2.75rem);
  box-shadow: var(--shadow-md);
}

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

.form-group {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.form-label {
  font-size: 0.845rem;
  font-weight: 600;
  color: var(--charcoal-800);
}

.form-input, .form-textarea, .form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--surface-border);
  border-radius: var(--radius-sm);
  background-color: var(--surface-warm);
  color: var(--charcoal-900);
  font-size: 0.9375rem;
  transition: all var(--transition-fast);
}

.form-input:focus, .form-textarea:focus, .form-select:focus {
  outline: none;
  background-color: #FFFFFF;
  border-color: var(--mms-red);
  box-shadow: 0 0 0 3px var(--mms-red-glow);
}

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

/* Map Wrap */
.map-frame-box {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-sm);
  height: 420px;
  margin-top: 3.5rem;
}

.map-frame-box iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/* ==========================================================================
   Global Footer
   ========================================================================== */

.site-footer {
  background-color: var(--charcoal-950);
  color: var(--charcoal-400);
  padding-top: clamp(4rem, 6vw, 5.5rem);
  padding-bottom: 2.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-main-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-bottom: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand-col {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.footer-logo-img {
  height: 52px;
  width: auto;
  object-fit: contain;
}

.footer-tagline {
  font-size: 0.925rem;
  line-height: 1.65;
  color: var(--charcoal-400);
  max-width: 34ch;
}

.footer-social-links {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.footer-social-btn {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.06);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  transition: all var(--transition-fast);
}

.footer-social-btn:hover {
  background-color: var(--mms-red);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.footer-col-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.footer-links-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.footer-link-item a {
  font-size: 0.875rem;
  color: var(--charcoal-400);
  transition: all var(--transition-fast);
}

.footer-link-item a:hover {
  color: #FFFFFF;
  padding-left: 0.35rem;
}

.footer-bottom-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding-top: 2rem;
  font-size: 0.8125rem;
  color: var(--charcoal-500);
}

.footer-admin-link {
  color: var(--charcoal-500);
  transition: color var(--transition-fast);
}

.footer-admin-link:hover {
  color: var(--mms-red);
}

/* ==========================================================================
   Project Lightbox Modal
   ========================================================================== */

.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(9, 13, 20, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  background-color: var(--charcoal-900);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.lightbox-img-pane {
  width: 100%;
  max-height: 70vh;
  background-color: #000000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.lightbox-img-pane img {
  max-height: 70vh;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.lightbox-caption-pane {
  padding: 1.25rem 1.75rem;
  background-color: var(--charcoal-900);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.lightbox-caption-pane h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
}

.lightbox-caption-pane p {
  font-size: 0.85rem;
  color: var(--charcoal-400);
}

.lightbox-close-btn {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background-color: rgba(0, 0, 0, 0.6);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  z-index: 2;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.lightbox-close-btn:hover {
  background-color: var(--mms-red);
}

/* ==========================================================================
   Scroll-To-Top Button
   ========================================================================== */

.scroll-top-btn {
  position: fixed;
  bottom: 5.8rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: var(--charcoal-900);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 900;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: all var(--transition-normal);
}

.scroll-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.scroll-top-btn:hover {
  background-color: var(--mms-red);
  transform: translateY(-2px);
}

/* ==========================================================================
   Floating WhatsApp Quick Connect Button
   ========================================================================== */

.floating-wa-btn {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 0.65rem;
  background-color: #25D366;
  color: #FFFFFF;
  padding: 0.8rem 1.35rem 0.8rem 1.15rem;
  border-radius: var(--radius-pill);
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.45);
  text-decoration: none;
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: -0.01em;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.floating-wa-btn:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 14px 32px rgba(37, 211, 102, 0.6);
  color: #FFFFFF;
}

.floating-wa-btn i {
  font-size: 1.55rem;
  line-height: 1;
}

.floating-wa-pulse {
  position: absolute;
  inset: -4px;
  border-radius: var(--radius-pill);
  border: 2px solid rgba(37, 211, 102, 0.7);
  animation: waPulseRadar 2.2s infinite;
  pointer-events: none;
}

@keyframes waPulseRadar {
  0% { transform: scale(1); opacity: 0.85; }
  100% { transform: scale(1.15, 1.38); opacity: 0; }
}

/* ==========================================================================
   Motion System — Scroll Reveals & Interactive Polish
   ========================================================================== */

.reveal-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

.reveal-fade-up.is-revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered delay for grid elements */
.capability-card:nth-child(2) { transition-delay: 0.12s; }
.capability-card:nth-child(3) { transition-delay: 0.24s; }
.capability-card:nth-child(4) { transition-delay: 0.36s; }

.process-step-card:nth-child(2) { transition-delay: 0.1s; }
.process-step-card:nth-child(3) { transition-delay: 0.2s; }
.process-step-card:nth-child(4) { transition-delay: 0.3s; }
.process-step-card:nth-child(5) { transition-delay: 0.4s; }

.trust-card:nth-child(2) { transition-delay: 0.12s; }
.trust-card:nth-child(3) { transition-delay: 0.24s; }
.trust-card:nth-child(4) { transition-delay: 0.36s; }

/* Enhanced Card Hover Micro-Interactions */
.capability-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.capability-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
  border-color: rgba(217, 35, 20, 0.35);
}

.capability-card .capability-img-wrap img {
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1);
}

.capability-card:hover .capability-img-wrap img {
  transform: scale(1.06);
}

.process-step-card {
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.process-step-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background-color: var(--mms-red);
  transition: height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.process-step-card:hover::before {
  height: 100%;
}

.process-step-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
}

.trust-card {
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.trust-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.08);
  border-color: rgba(217, 35, 20, 0.3);
}

.trust-card .trust-icon-box {
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), background-color var(--transition-fast);
}

.trust-card:hover .trust-icon-box {
  transform: scale(1.1) rotate(-4deg);
  background-color: var(--mms-red);
  color: #FFFFFF;
}

@media (max-width: 640px) {
  .floating-wa-btn {
    bottom: 1.5rem;
    right: 1.25rem;
    padding: 0.75rem;
    border-radius: 50%;
    width: 52px;
    height: 52px;
    justify-content: center;
  }
  .floating-wa-text {
    display: none;
  }
  .floating-wa-pulse {
    border-radius: 50%;
  }
  .scroll-top-btn {
    bottom: 5.25rem;
    right: 1.25rem;
    width: 40px;
    height: 40px;
  }
}

/* ==========================================================================
   Subpage Dedicated Styles (Product Specifications & Technical Tables)
   ========================================================================== */

.subpage-hero {
  background-color: var(--charcoal-950);
  color: #FFFFFF;
  padding-top: clamp(3.5rem, 6vw, 5.5rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  position: relative;
  overflow: hidden;
}

.subpage-hero-overlay {
  position: absolute;
  inset: 0;
  background: 
    linear-gradient(180deg, rgba(9, 13, 20, 0.85) 0%, rgba(9, 13, 20, 0.95) 100%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(217, 35, 20, 0.1), transparent);
  z-index: 1;
}

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

.subpage-breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.775rem;
  color: var(--charcoal-400);
  margin-bottom: 1rem;
}

.subpage-breadcrumbs a {
  color: var(--charcoal-400);
}

.subpage-breadcrumbs a:hover {
  color: #FFFFFF;
}

.subpage-breadcrumbs i {
  font-size: 0.75rem;
  color: var(--mms-red);
}

.specs-table-wrapper {
  background-color: #FFFFFF;
  border-radius: var(--radius-lg);
  border: 1px solid var(--surface-border);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 2.5rem 0;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th {
  background-color: var(--surface-warm);
  color: var(--charcoal-900);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--surface-border);
}

.specs-table td {
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--surface-border-subtle);
  font-size: 0.9125rem;
  color: var(--charcoal-700);
}

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

.specs-table td.spec-name {
  font-weight: 600;
  color: var(--charcoal-900);
  width: 35%;
  background-color: rgba(248, 250, 252, 0.6);
}

/* Subpage Gallery Grid */
.product-gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
  margin: 2.5rem 0;
}

.gallery-thumb-card {
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--surface-border);
  box-shadow: var(--shadow-sm);
  height: 220px;
  background-color: var(--charcoal-900);
  cursor: pointer;
  position: relative;
}

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

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

/* ==========================================================================
   Responsive Breakpoints & Media Queries
   ========================================================================== */

@media (max-width: 1120px) {
  .footer-main-grid {
    grid-template-columns: 1.5fr 1fr 1fr;
  }
  .footer-contact-col {
    grid-column: span 3;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
  }
  .process-steps-track {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 960px) {
  .site-topbar {
    display: none;
  }
  .desktop-nav, .btn-quote-header {
    display: none;
  }
  .mobile-toggle-btn {
    display: block;
  }
  .about-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .about-floating-card {
    right: 1rem;
    bottom: -1rem;
  }
  .capabilities-grid {
    grid-template-columns: 1fr;
  }
  .projects-masonry {
    grid-template-columns: repeat(2, 1fr);
  }
  .trust-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .inquiry-grid {
    grid-template-columns: 1fr;
  }
  .product-gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .kpi-strip {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 72px;
  }
  .brand-logo-img {
    height: 40px;
  }
  .brand-title {
    font-size: 0.95rem;
  }
  .brand-subtitle {
    font-size: 0.65rem;
  }
  .projects-masonry {
    grid-template-columns: 1fr;
  }
  .process-steps-track {
    grid-template-columns: 1fr;
  }
  .trust-grid {
    grid-template-columns: 1fr;
  }
  .pillar-list {
    grid-template-columns: 1fr;
  }
  .form-row-2col {
    grid-template-columns: 1fr;
  }
  .product-gallery-grid {
    grid-template-columns: 1fr;
  }
  .footer-main-grid {
    grid-template-columns: 1fr;
  }
  .footer-contact-col {
    grid-column: span 1;
  }
  .footer-bottom-bar {
    flex-direction: column;
    gap: 0.85rem;
    text-align: center;
  }
  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-actions .btn {
    width: 100%;
  }
}