/* ==========================================================================
   BIM Engineering Solutions - Global & Component Stylesheet
   Brand Colors: Primary Orange (#F5A623 / #F69400), Charcoal (#1A1A1A), White (#FFFFFF)
   Typography: Plus Jakarta Sans / Inter
   ========================================================================== */

:root {
  --color-primary: #F5A623;
  --color-primary-dark: #D98200;
  --color-primary-light: #FFB347;
  --color-primary-tint: rgba(245, 166, 35, 0.12);
  --color-primary-glow: rgba(245, 166, 35, 0.35);

  --color-charcoal: #1A1A1A;
  --color-charcoal-light: #242424;
  --color-charcoal-subtle: #2F2F2F;
  --color-nav-bg: #161616;

  --color-bg: #FFFFFF;
  --color-bg-alt: #F7F7F7;
  --color-bg-card: #FFFFFF;

  --color-text: #1A1A1A;
  --color-text-muted: #6B6B6B;
  --color-text-light: #9E9E9E;
  --color-text-inverse: #FFFFFF;

  --color-border: #E5E5E5;
  --color-border-dark: #333333;

  --font-main: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.16);

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

  --header-height: 84px;
  --container-max: 1280px;
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

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

ul, ol {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}

/* Typography Utilities */
h1, h2, h3, h4, h5, h6 {
  color: var(--color-charcoal);
  font-weight: 700;
  line-height: 1.25;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.825rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 6px 14px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-primary);
}

.section-title {
  font-size: clamp(2rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-muted);
  max-width: 680px;
  line-height: 1.65;
}

.text-center { text-align: center; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-normal);
  border: 2px solid transparent;
  white-space: nowrap;
}

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

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--color-primary-glow);
  color: #FFFFFF;
}

.btn-outline {
  background-color: transparent;
  border-color: #FFFFFF;
  color: #FFFFFF;
}

.btn-outline:hover {
  background-color: #FFFFFF;
  color: var(--color-charcoal);
  transform: translateY(-2px);
}

.btn-outline-dark {
  background-color: transparent;
  border-color: var(--color-charcoal);
  color: var(--color-charcoal);
}

.btn-outline-dark:hover {
  background-color: var(--color-charcoal);
  color: #FFFFFF;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 0.875rem;
}

.btn-icon {
  width: 18px;
  height: 18px;
  transition: transform var(--transition-fast);
}

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

/* ==========================================================================
   HEADER & NAVIGATION
   Dark Charcoal Navbar (#161616) - Prominent Logo
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-nav-bg);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 1000;
  transition: all var(--transition-normal);
}

.site-header.is-scrolled {
  background-color: rgba(22, 22, 22, 0.96);
  backdrop-filter: blur(12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  height: 74px;
}

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

.site-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  z-index: 1010;
}

.site-logo img {
  height: 56px;
  width: auto;
  object-fit: contain;
  transition: transform var(--transition-normal);
}

.site-header.is-scrolled .site-logo img {
  height: 48px;
}

/* Desktop Nav Links */
.nav-menu {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 6px;
}

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

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

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

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

.nav-dropdown-chevron {
  width: 14px;
  height: 14px;
  transition: transform var(--transition-fast);
}

.nav-item-has-dropdown:hover .nav-dropdown-chevron {
  transform: rotate(180deg);
  color: var(--color-primary);
}

.mega-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(12px);
  width: 820px;
  background-color: #1E1E1E;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  pointer-events: none;
}

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

.mega-menu-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.mega-menu-col h4 {
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mega-menu-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mega-menu-item {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.78);
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 8px;
}

.mega-menu-item::before {
  content: '▸';
  color: var(--color-primary);
  font-size: 0.75rem;
  opacity: 0.5;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mega-menu-item:hover {
  color: #FFFFFF;
  background-color: rgba(245, 166, 35, 0.12);
  transform: translateX(4px);
}

.mega-menu-item:hover::before {
  opacity: 1;
  transform: translateX(2px);
}

.mega-menu-footer {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mega-menu-footer-link {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
}

.mega-menu-footer-link:hover {
  text-decoration: underline;
}

/* Nav Actions */
.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.hamburger-btn {
  display: none;
  background: none;
  border: none;
  color: #FFFFFF;
  cursor: pointer;
  padding: 8px;
  z-index: 1010;
}

.hamburger-icon {
  width: 28px;
  height: 28px;
}

/* Mobile Slide-in Drawer */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 320px;
  background-color: #181818;
  border-left: 1px solid rgba(255, 255, 255, 0.1);
  z-index: 1005;
  padding: 96px 24px 32px;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  overflow-y: auto;
  box-shadow: -10px 0 40px rgba(0, 0, 0, 0.5);
}

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

.mobile-drawer-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  z-index: 1004;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.mobile-nav-link {
  font-size: 1.1rem;
  font-weight: 600;
  color: #FFFFFF;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  display: block;
}

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

.mobile-drawer-cta {
  margin-top: 28px;
}

/* Spacer for Fixed Header */
.header-spacer {
  height: var(--header-height);
}

/* ==========================================================================
   HOMEPAGE: HERO SLIDER
   ========================================================================== */
.hero-slider-section {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  min-height: 640px;
  background-color: var(--color-charcoal);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.hero-slider-container {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 1s cubic-bezier(0.4, 0, 0.2, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
  transform: scale(1.04);
}

.hero-slide.is-active {
  opacity: 1;
  visibility: visible;
  transform: scale(1);
}

.hero-slide-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.62);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(22, 22, 22, 0.92) 0%, rgba(22, 22, 22, 0.72) 50%, rgba(22, 22, 22, 0.4) 100%);
}

/* Subtle Animated Blueprint Lines Layer */
.hero-blueprint-overlay {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.22;
  background-image: 
    linear-gradient(to right, rgba(245, 166, 35, 0.15) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(245, 166, 35, 0.15) 1px, transparent 1px);
  background-size: 60px 60px;
  animation: blueprintDrift 60s linear infinite;
}

@keyframes blueprintDrift {
  0% { background-position: 0 0; }
  100% { background-position: 600px 600px; }
}

.hero-slide-content {
  position: relative;
  z-index: 10;
  max-width: 820px;
  color: #FFFFFF;
  padding: 40px 0;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(245, 166, 35, 0.2);
  border: 1px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 24px;
}

.hero-title {
  font-size: clamp(2.4rem, 5vw, 4rem);
  font-weight: 800;
  color: #FFFFFF;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
}

.hero-title span {
  color: var(--color-primary);
}

.hero-description {
  font-size: clamp(1.05rem, 1.8vw, 1.25rem);
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
  margin-bottom: 36px;
  max-width: 680px;
}

.hero-ctas {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 18px;
}

/* Slider Controls */
.hero-controls {
  position: absolute;
  bottom: 36px;
  right: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
  z-index: 20;
}

.slider-arrow {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-arrow:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
  transform: scale(1.08);
}

.slider-dots {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 20;
}

.slider-dot {
  width: 32px;
  height: 4px;
  border-radius: 2px;
  background: rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.slider-dot.is-active {
  background: var(--color-primary);
  width: 48px;
}

/* ==========================================================================
   STATS COUNTER ROW
   ========================================================================== */
.stats-section {
  background-color: #FFFFFF;
  border-bottom: 1px solid var(--color-border);
  padding: 48px 0;
  position: relative;
  z-index: 25;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-card {
  text-align: center;
  padding: 12px;
}

.stat-number {
  font-size: clamp(2.5rem, 4vw, 3.5rem);
  font-weight: 800;
  color: var(--color-charcoal);
  line-height: 1.1;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.stat-plus {
  color: var(--color-primary);
  margin-left: 2px;
}

.stat-label {
  font-size: 0.95rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--color-text-muted);
}

/* ==========================================================================
   HOMEPAGE: 6 SERVICES OVERVIEW CARDS
   ========================================================================== */
.services-overview-section {
  padding: 96px 0;
  background-color: var(--color-bg);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 54px;
}

.service-card {
  position: relative;
  height: 420px;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  transition: all var(--transition-normal);
  background-color: var(--color-charcoal);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.service-card-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.service-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26, 26, 26, 0.1) 0%, rgba(26, 26, 26, 0.85) 60%, #1A1A1A 100%);
  transition: opacity var(--transition-fast);
}

.service-card-content {
  position: relative;
  z-index: 10;
  padding: 28px;
  color: #FFFFFF;
}

.service-card-badge {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-primary);
  background: rgba(245, 166, 35, 0.15);
  border: 1px solid var(--color-primary);
  padding: 4px 10px;
  border-radius: var(--radius-full);
  margin-bottom: 12px;
}

.service-card-title {
  font-size: 1.45rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 10px;
  transition: color var(--transition-fast);
}

.service-card:hover .service-card-title {
  color: var(--color-primary);
}

.service-card-desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.5;
  margin-bottom: 18px;
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: #FFFFFF;
  transition: all var(--transition-fast);
}

.service-card-link:hover {
  color: var(--color-primary);
  gap: 12px;
}

/* ==========================================================================
   SOFTWARE WE USE (Marquee Infinite Slider)
   Official Brand Colors on Clean White Cards
   ========================================================================== */
.software-section {
  padding: 80px 0;
  background-color: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  overflow: hidden;
}

.marquee-wrapper {
  position: relative;
  width: 100%;
  margin-top: 48px;
  overflow: hidden;
}

.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg-alt), transparent);
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg-alt), transparent);
}

.marquee-track {
  display: flex;
  gap: 24px;
  width: max-content;
  animation: marqueeScroll 32s linear infinite;
}

.marquee-wrapper:hover .marquee-track {
  animation-play-state: paused;
}

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

.software-card {
  flex: 0 0 260px;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
}

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

.software-icon-box {
  width: 64px;
  height: 64px;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.software-icon-box img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.software-name {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 6px;
}

.software-tags {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   SECTORS WE SERVE
   ========================================================================== */
.sectors-section {
  padding: 96px 0;
  background-color: var(--color-bg);
}

.sectors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 50px;
}

.sector-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.sector-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
}

.sector-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.sector-icon svg {
  width: 24px;
  height: 24px;
}

.sector-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-charcoal);
}

.sector-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 14px;
}

.sector-list {
  margin-top: auto;
  font-size: 0.8rem;
  color: var(--color-charcoal);
  font-weight: 600;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.sector-pill {
  background: var(--color-bg-alt);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid #EAEAEA;
}

/* ==========================================================================
   PORTFOLIO PREVIEW & FULL GALLERY
   ========================================================================== */
.portfolio-section {
  padding: 96px 0;
  background-color: var(--color-bg-alt);
}

.portfolio-filter-tabs {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 36px;
  margin-bottom: 44px;
}

.filter-tab {
  padding: 8px 20px;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.is-active {
  background: var(--color-charcoal);
  color: #FFFFFF;
  border-color: var(--color-charcoal);
}

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

.portfolio-item {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  border: 1px solid var(--color-border);
}

.portfolio-item:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-primary);
}

.portfolio-thumb-wrap {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.portfolio-thumb {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.portfolio-item:hover .portfolio-thumb {
  transform: scale(1.06);
}

.portfolio-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(22, 22, 22, 0.85);
  backdrop-filter: blur(4px);
  color: var(--color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
}

.portfolio-info {
  padding: 22px;
}

.portfolio-title {
  font-size: 1.18rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-charcoal);
}

.portfolio-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: 16px;
}

.portfolio-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--color-border);
  padding-top: 14px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

/* ==========================================================================
   CALL TO ACTION BANNER
   ========================================================================== */
.cta-banner {
  background: linear-gradient(135deg, #1A1A1A 0%, #262626 100%);
  color: #FFFFFF;
  padding: 80px 0;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 166, 35, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  position: relative;
  z-index: 10;
}

.cta-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  color: #FFFFFF;
  margin-bottom: 12px;
}

.cta-title span {
  color: var(--color-primary);
}

.cta-desc {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, 0.8);
  max-width: 620px;
}

/* ==========================================================================
   WORKING CONTACT FORM & COMPONENT
   ========================================================================== */
.contact-section {
  padding: 96px 0;
  background-color: var(--color-bg);
}

.contact-layout {
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 56px;
  align-items: start;
}

.contact-info-panel {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 40px 32px;
}

.contact-info-item {
  display: flex;
  gap: 18px;
  margin-bottom: 30px;
}

.contact-icon-bubble {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon-bubble svg {
  width: 24px;
  height: 24px;
}

.contact-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 4px;
}

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

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

.contact-form-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 44px 38px;
  box-shadow: var(--shadow-md);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.form-group-full {
  grid-column: 1 / -1;
}

.form-group label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 13px 16px;
  font-size: 0.95rem;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: #FFFFFF;
  color: var(--color-charcoal);
  transition: all var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px var(--color-primary-tint);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

/* Drag-and-Drop File Upload Area */
.file-dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  padding: 24px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--color-bg-alt);
}

.file-dropzone:hover,
.file-dropzone.dragover {
  border-color: var(--color-primary);
  background: var(--color-primary-tint);
}

.dropzone-icon {
  width: 36px;
  height: 36px;
  color: var(--color-primary);
  margin: 0 auto 10px;
}

.dropzone-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

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

.file-preview-list {
  margin-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.file-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: 0.825rem;
}

.file-remove-btn {
  background: none;
  border: none;
  color: #FF5252;
  cursor: pointer;
  font-weight: bold;
}

/* ==========================================================================
   FAQ ACCORDION
   ========================================================================== */
.faq-section {
  padding: 96px 0;
  background-color: var(--color-bg-alt);
}

.faq-container {
  max-width: 860px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast);
}

.faq-item.is-open {
  border-color: var(--color-primary);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  background: none;
  border: none;
  text-align: left;
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--color-charcoal);
  cursor: pointer;
}

.faq-icon {
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.faq-item.is-open .faq-icon {
  transform: rotate(180deg);
}

.faq-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 26px;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
}

.faq-item.is-open .faq-body {
  max-height: 300px;
  padding: 0 26px 22px;
}

/* ==========================================================================
   PAGE HERO BANNERS (Inner Pages: About, Services, Shop Drawings, etc.)
   ========================================================================== */
.page-hero {
  position: relative;
  background-color: var(--color-charcoal);
  padding: 90px 0 70px;
  color: #FFFFFF;
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  filter: brightness(0.4);
}

.page-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(22, 22, 22, 0.92) 0%, rgba(22, 22, 22, 0.7) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 10;
  max-width: 800px;
}

.page-hero-title {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 800;
  color: #FFFFFF;
  margin-bottom: 16px;
}

.page-hero-title span {
  color: var(--color-primary);
}

.page-hero-desc {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.6;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 20px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.8);
}

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

.breadcrumb-separator {
  color: var(--color-primary);
}

/* ==========================================================================
   SHOP DRAWINGS DEDICATED PAGE STYLES
   ========================================================================== */
.shop-explainer-section {
  padding: 80px 0;
  background-color: #FFFFFF;
}

.shop-categories-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.shop-category-card {
  background: #FFFFFF;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.shop-category-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
}

.shop-category-img {
  height: 220px;
  width: 100%;
  object-fit: cover;
}

.shop-category-body {
  padding: 28px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.shop-category-title {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.shop-category-desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.shop-category-features {
  list-style: none;
  margin-bottom: 28px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--color-charcoal);
}

.shop-category-features li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.shop-category-features li::before {
  content: '✓';
  color: var(--color-primary);
  font-weight: 800;
}

.shop-category-body .btn {
  margin-top: auto;
  width: 100%;
}

/* Process Timeline (5-Step Visual) */
.process-section {
  padding: 96px 0;
  background-color: var(--color-bg-alt);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 24px;
  margin-top: 56px;
  position: relative;
}

.process-grid::before {
  content: '';
  position: absolute;
  top: 36px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: repeating-linear-gradient(90deg, var(--color-primary) 0, var(--color-primary) 8px, transparent 8px, transparent 16px);
  z-index: 1;
}

.process-step-card {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: 12px;
}

.process-step-number {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: #FFFFFF;
  border: 3px solid var(--color-primary);
  color: var(--color-primary);
  font-size: 1.5rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 4px 14px var(--color-primary-tint);
  transition: all var(--transition-fast);
}

.process-step-card:hover .process-step-number {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: scale(1.1);
}

.process-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--color-charcoal);
}

.process-step-desc {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ==========================================================================
   SERVICES DIRECTORY PAGE (24 Detailed Cards)
   ========================================================================== */
.services-dir-section {
  padding: 80px 0 110px;
  background-color: var(--color-bg);
}

.services-dir-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.service-dir-card {
  background: #FFFFFF;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-normal);
  display: flex;
  flex-direction: column;
  position: relative;
}

.service-dir-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

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

.service-dir-card:hover::before {
  background-color: var(--color-primary);
}

.service-dir-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.service-dir-icon svg {
  width: 26px;
  height: 26px;
}

.service-dir-title {
  font-size: 1.28rem;
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.service-dir-desc {
  font-size: 0.925rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 20px;
}

.service-dir-meta {
  margin-top: auto;
  border-top: 1px solid var(--color-border);
  padding-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-dir-software {
  font-size: 0.775rem;
  font-weight: 600;
  color: var(--color-primary-dark);
  background: var(--color-primary-tint);
  padding: 3px 8px;
  border-radius: var(--radius-sm);
}

.service-dir-btn {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-charcoal);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.service-dir-btn:hover {
  color: var(--color-primary);
  gap: 8px;
}

/* ==========================================================================
   FOOTER
   Dark Charcoal Theme (#161616)
   ========================================================================== */
.site-footer {
  background-color: #141414;
  border-top: 1px solid #282828;
  color: #FFFFFF;
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 4fr 2fr 3fr 3fr;
  gap: 48px;
  margin-bottom: 60px;
}

.footer-logo img {
  height: 54px;
  width: auto;
  margin-bottom: 20px;
}

.footer-about {
  font-size: 0.925rem;
  color: #A0A0A0;
  line-height: 1.65;
  margin-bottom: 24px;
}

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

.social-icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: #242424;
  color: #FFFFFF;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.social-icon-btn svg {
  width: 18px;
  height: 18px;
}

.social-icon-btn:hover {
  background: var(--color-primary);
  color: #FFFFFF;
  transform: translateY(-3px);
}

.footer-heading {
  font-size: 1.05rem;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 22px;
  position: relative;
  padding-bottom: 10px;
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 32px;
  height: 2px;
  background-color: var(--color-primary);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-link {
  font-size: 0.9rem;
  color: #A0A0A0;
  transition: all var(--transition-fast);
}

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

.footer-contact-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 0.9rem;
  color: #A0A0A0;
}

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

.footer-contact-item svg {
  width: 18px;
  height: 18px;
  color: var(--color-primary);
  flex-shrink: 0;
  margin-top: 2px;
}

.footer-bottom {
  border-top: 1px solid #242424;
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #777777;
}

/* ==========================================================================
   FLOATING WHATSAPP BUTTON (Fixed Bottom-Right)
   ========================================================================== */
.floating-whatsapp {
  position: fixed;
  bottom: 30px;
  right: 30px;
  z-index: 999;
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
}

.whatsapp-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #25D366;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  transition: transform var(--transition-fast);
  position: relative;
}

.whatsapp-btn svg {
  width: 32px;
  height: 32px;
}

.whatsapp-btn:hover {
  transform: scale(1.1);
}

.whatsapp-pulse {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 2px solid #25D366;
  animation: pulseGreen 2s cubic-bezier(0.24, 0, 0.38, 1) infinite;
  pointer-events: none;
}

@keyframes pulseGreen {
  0% { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.6); opacity: 0; }
}

.whatsapp-tooltip {
  background: var(--color-charcoal);
  color: #FFFFFF;
  font-size: 0.825rem;
  font-weight: 600;
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateX(10px);
  transition: all var(--transition-fast);
  pointer-events: none;
  white-space: nowrap;
}

.floating-whatsapp:hover .whatsapp-tooltip {
  opacity: 1;
  transform: translateX(0);
}

/* ==========================================================================
   MODAL CONFIRMATION (Thank You State)
   ========================================================================== */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
}

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

.modal-dialog {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  max-width: 520px;
  width: 100%;
  padding: 40px;
  text-align: center;
  transform: scale(0.92);
  transition: transform var(--transition-normal);
  box-shadow: var(--shadow-xl);
}

.modal-overlay.is-active .modal-dialog {
  transform: scale(1);
}

.modal-icon-success {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--color-primary-tint);
  color: var(--color-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.modal-icon-success svg {
  width: 36px;
  height: 36px;
}

.modal-title {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: 12px;
}

.modal-desc {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ==========================================================================
   RESPONSIVE BREAKPOINTS
   ========================================================================== */
@media (max-width: 1024px) {
  .nav-menu, .nav-actions .btn {
    display: none;
  }
  .hamburger-btn {
    display: block;
  }
  .services-grid,
  .shop-categories-grid,
  .services-dir-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .sectors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .process-grid::before {
    display: none;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 36px;
  }
  .contact-layout {
    grid-template-columns: 1fr;
  }
  .cta-content {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 640px) {
  :root {
    --header-height: 72px;
  }
  .site-logo img {
    height: 44px;
  }
  .services-grid,
  .shop-categories-grid,
  .services-dir-grid {
    grid-template-columns: 1fr;
  }
  .sectors-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .form-grid {
    grid-template-columns: 1fr;
  }
  .hero-controls {
    display: none;
  }
  .contact-form-card {
    padding: 28px 20px;
  }
}