/* ==========================================================================
   HUSSAIN WELDING WORKS - LAHORE, PAKISTAN
   Custom Industrial & Architectural Metal Fabrication Stylesheet
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties / Design Tokens
   -------------------------------------------------------------------------- */
:root {
  --color-charcoal: #171A1D;
  --color-charcoal-light: #22272D;
  --color-charcoal-dark: #121417;
  --color-black: #0D0F12;
  --color-steel: #525B65;
  --color-steel-light: #8E98A5;
  --color-steel-border: #2D343C;
  --color-orange: #F59E0B;
  --color-orange-hover: #D97706;
  --color-orange-glow: rgba(245, 158, 11, 0.25);
  --color-white: #FFFFFF;
  --color-bg-light: #F4F5F6;
  --color-bg-light-card: #FFFFFF;
  --color-border-light: #E2E8F0;
  --color-whatsapp: #25D366;
  --color-whatsapp-hover: #20BA5A;

  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

  --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-base: 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.12), 0 1px 2px rgba(0, 0, 0, 0.24);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
  --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.22);
  --shadow-orange: 0 8px 20px rgba(245, 158, 11, 0.3);

  --header-height: 76px;
  --top-bar-height: 38px;
}

/* --------------------------------------------------------------------------
   2. Reset & Base Elements
   -------------------------------------------------------------------------- */
*, *::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: #333D47;
  background-color: var(--color-bg-light);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

main.site-main {
  flex: 1 0 auto;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-charcoal);
  line-height: 1.25;
  letter-spacing: -0.01em;
}

/* --------------------------------------------------------------------------
   3. Layout & Utilities
   -------------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: 1220px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 20px;
  padding-right: 20px;
}

.container-narrow {
  max-width: 900px;
}

.section {
  padding-top: 80px;
  padding-bottom: 80px;
}

.section-dark {
  background-color: var(--color-charcoal);
  color: #CBD5E1;
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-black {
  background-color: var(--color-black);
  color: #CBD5E1;
}

.section-black h1,
.section-black h2,
.section-black h3,
.section-black h4 {
  color: var(--color-white);
}

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

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

.section-header {
  margin-bottom: 48px;
}

.section-header.text-center {
  text-align: center;
  max-width: 760px;
  margin-left: auto;
  margin-right: auto;
}

.section-subtitle {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-orange);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.25rem;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.65rem;
  }
}

.section-lead {
  font-size: 1.125rem;
  color: var(--color-steel);
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
}

.section-dark .section-lead {
  color: #94A3B8;
}

/* --------------------------------------------------------------------------
   4. Buttons & Interactive Elements
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1;
}

.btn-primary {
  background-color: var(--color-orange);
  color: var(--color-black);
}

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

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

.btn-outline:hover,
.btn-outline:focus-visible {
  background-color: var(--color-orange);
  color: var(--color-black);
  transform: translateY(-2px);
}

.btn-white-outline {
  background-color: transparent;
  border-color: rgba(255, 255, 255, 0.4);
  color: var(--color-white);
}

.btn-white-outline:hover,
.btn-white-outline:focus-visible {
  border-color: var(--color-white);
  background-color: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}

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

.btn-whatsapp:hover,
.btn-whatsapp:focus-visible {
  background-color: var(--color-whatsapp-hover);
  color: var(--color-white);
  box-shadow: 0 6px 18px rgba(37, 211, 102, 0.35);
  transform: translateY(-2px);
}

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

.btn-dark:hover,
.btn-dark:focus-visible {
  background-color: var(--color-black);
  border-color: var(--color-black);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.8125rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn-block {
  display: flex;
  width: 100%;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* --------------------------------------------------------------------------
   5. Top Bar
   -------------------------------------------------------------------------- */
.top-bar {
  background-color: var(--color-black);
  color: #94A3B8;
  font-size: 0.8125rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  height: var(--top-bar-height);
  display: flex;
  align-items: center;
  position: relative;
  z-index: 101;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.top-bar-left,
.top-bar-right {
  display: flex;
  align-items: center;
  gap: 20px;
}

.top-bar-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.top-icon {
  width: 14px;
  height: 14px;
  color: var(--color-orange);
}

.top-bar-phone,
.top-bar-wa {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #E2E8F0;
  font-weight: 500;
}

.top-bar-phone:hover {
  color: var(--color-orange);
}

.top-bar-wa:hover {
  color: var(--color-whatsapp);
}

@media (max-width: 640px) {
  .hide-mobile {
    display: none !important;
  }
}

/* --------------------------------------------------------------------------
   6. Sticky / Fixed Header (Strict desktop horizontal fit)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  left: 0;
  width: 100%;
  background-color: rgba(23, 26, 29, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  z-index: 100;
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.scrolled {
  background-color: rgba(13, 15, 18, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  max-width: 1260px;
  margin-left: auto;
  margin-right: auto;
  padding: 0 20px;
  height: var(--header-height);
  gap: 16px;
}

/* Header Logo */
.header-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
  color: var(--color-white);
}

.header-logo:hover .logo-brand {
  color: var(--color-orange);
}

.logo-mark {
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-text-group {
  display: flex;
  flex-direction: column;
}

.logo-brand {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  line-height: 1;
  color: var(--color-white);
  transition: color var(--transition-fast);
}

.logo-sub {
  font-family: var(--font-heading);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--color-orange);
  line-height: 1.3;
}

/* Desktop Navigation - Strictly One Horizontal Row */
.desktop-nav {
  display: none; /* Enabled via media query */
  flex: 1 1 auto;
  justify-content: center;
}

.nav-list {
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  gap: 18px; /* Fluid spacing between links */
  margin: 0;
  padding: 0;
  white-space: nowrap; /* Prevent any wrapping */
}

.nav-item {
  position: relative;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #CBD5E1;
  padding: 8px 4px;
  display: inline-block;
  position: relative;
  transition: color var(--transition-fast);
}

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

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

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

.nav-link.active {
  color: var(--color-orange);
}

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

/* Header Right Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.btn-quote-header {
  display: none;
  background-color: var(--color-orange);
  color: var(--color-black);
  padding: 9px 18px;
  font-size: 0.8125rem;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  align-items: center;
  gap: 6px;
  transition: all var(--transition-fast);
}

.btn-quote-header:hover {
  background-color: var(--color-orange-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-orange);
  transform: translateY(-1px);
}

/* Mobile Hamburger Toggle */
.mobile-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  padding: 8px;
  cursor: pointer;
  color: var(--color-white);
  width: 42px;
  height: 42px;
}

.hamburger-box {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 22px;
  height: 16px;
}

.hamburger-bar {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Desktop Breakpoint Handling */
@media (min-width: 1040px) {
  .desktop-nav {
    display: flex;
  }
  .btn-quote-header {
    display: inline-flex;
  }
  .mobile-toggle {
    display: none;
  }
}

@media (min-width: 1120px) {
  .nav-list {
    gap: 24px;
  }
  .nav-link {
    font-size: 0.875rem;
  }
}

/* --------------------------------------------------------------------------
   7. Mobile Navigation Drawer & Backdrop
   -------------------------------------------------------------------------- */
.mobile-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  z-index: 200;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
  backdrop-filter: blur(4px);
}

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

.mobile-drawer {
  position: fixed;
  top: 0;
  right: -320px;
  width: 300px;
  max-width: 85vw;
  height: 100%;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  z-index: 201;
  display: flex;
  flex-direction: column;
  box-shadow: -5px 0 25px rgba(0, 0, 0, 0.5);
  transition: right var(--transition-base);
  overflow-y: auto;
}

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

.mobile-drawer-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.drawer-close {
  background: transparent;
  border: none;
  color: #94A3B8;
  font-size: 2rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 4px;
}

.drawer-close:hover {
  color: var(--color-white);
}

.mobile-nav {
  padding: 16px 0;
  flex: 1 0 auto;
}

.mobile-nav-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.mobile-nav-link {
  display: block;
  padding: 14px 24px;
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #E2E8F0;
  border-left: 3px solid transparent;
  transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  background-color: rgba(245, 158, 11, 0.08);
  border-left-color: var(--color-orange);
  color: var(--color-orange);
}

.mobile-drawer-footer {
  padding: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.drawer-contact-info {
  font-size: 0.8125rem;
  color: #94A3B8;
  margin-top: 8px;
  line-height: 1.5;
}

.drawer-contact-info a {
  color: var(--color-orange);
}

/* --------------------------------------------------------------------------
   8. MANDATORY: Left-Side Floating WhatsApp Button
   -------------------------------------------------------------------------- */
.floating-wa-container.left-side {
  position: fixed;
  bottom: 24px;
  left: 24px; /* Strictly left-side placement */
  right: auto;
  z-index: 99;
}

.floating-wa-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background-color: var(--color-whatsapp);
  color: var(--color-white);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3), 0 0 0 0 rgba(37, 211, 102, 0.5);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
  position: relative;
  animation: pulse-wa 2.5s infinite;
}

.floating-wa-btn:hover {
  background-color: var(--color-whatsapp-hover);
  transform: scale(1.08) translateY(-2px);
  box-shadow: 0 10px 25px rgba(37, 211, 102, 0.45);
  animation: none;
}

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

/* Tooltip on hover */
.wa-tooltip {
  position: absolute;
  left: 68px; /* Appears to the right of the left-floating button */
  background-color: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  white-space: nowrap;
  padding: 6px 14px;
  border-radius: 20px;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-8px);
  transition: all var(--transition-fast);
  pointer-events: none;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.floating-wa-btn:hover .wa-tooltip {
  opacity: 1;
  visibility: visible;
  transform: translateX(0);
}

@keyframes pulse-wa {
  0% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.6);
  }
  70% {
    box-shadow: 0 0 0 14px rgba(37, 211, 102, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
  }
}

@media (max-width: 480px) {
  .floating-wa-container.left-side {
    bottom: 18px;
    left: 18px;
  }
  .floating-wa-btn {
    width: 52px;
    height: 52px;
  }
  .wa-btn-icon svg {
    width: 28px;
    height: 28px;
  }
  .wa-tooltip {
    display: none; /* Hide tooltip on small mobile screens */
  }
}

/* --------------------------------------------------------------------------
   9. Hero Sections (Home & Inner Pages)
   -------------------------------------------------------------------------- */
.hero-home {
  position: relative;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: 90px 0 100px;
  overflow: hidden;
  border-bottom: 3px solid var(--color-orange);
}

.hero-home::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/hero-bg.svg');
  background-size: cover;
  background-position: center;
  opacity: 0.28;
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 860px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background-color: rgba(245, 158, 11, 0.15);
  border: 1px solid rgba(245, 158, 11, 0.35);
  color: var(--color-orange);
  padding: 6px 14px;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 22px;
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--color-orange);
  box-shadow: 0 0 8px var(--color-orange);
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--color-white);
  line-height: 1.15;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: -0.01em;
}

.hero-subtitle {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-orange);
  margin-bottom: 20px;
  line-height: 1.4;
}

.hero-desc {
  font-size: 1.125rem;
  color: #CBD5E1;
  line-height: 1.7;
  margin-bottom: 36px;
  max-width: 720px;
}

@media (min-width: 768px) {
  .hero-home {
    padding: 120px 0 130px;
  }
  .hero-title {
    font-size: 3.4rem;
  }
  .hero-subtitle {
    font-size: 1.4rem;
  }
}

/* Inner Page Hero */
.page-hero {
  position: relative;
  background-color: var(--color-charcoal);
  color: var(--color-white);
  padding: 60px 0 70px;
  border-bottom: 3px solid var(--color-orange);
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('../images/hero/hero-bg.svg');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  pointer-events: none;
}

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

.page-hero-title {
  font-size: 2.25rem;
  font-weight: 800;
  color: var(--color-white);
  margin-bottom: 12px;
  text-transform: uppercase;
}

.page-hero-sub {
  font-size: 1.15rem;
  color: var(--color-orange);
  margin-bottom: 14px;
}

.page-hero-desc {
  font-size: 1.0625rem;
  color: #94A3B8;
  line-height: 1.6;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: #94A3B8;
  margin-bottom: 16px;
}

.breadcrumb a {
  color: #CBD5E1;
}

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

.breadcrumb-sep {
  color: var(--color-steel);
}

.breadcrumb-current {
  color: var(--color-orange);
  font-weight: 600;
}

/* --------------------------------------------------------------------------
   10. Service Cards & Grids
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

@media (min-width: 640px) {
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .services-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.service-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
}

.service-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-orange);
}

.service-card-img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background-color: var(--color-charcoal);
  overflow: hidden;
}

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

.service-card:hover .service-card-img {
  transform: scale(1.05);
}

.service-card-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex: 1 0 auto;
}

.service-card-title {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--color-charcoal);
}

.service-card-desc {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1 0 auto;
}

.service-card-footer {
  margin-top: auto;
}

/* Service Detail Block (services.php) */
.service-detail-item {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 32px;
  margin-bottom: 40px;
  box-shadow: var(--shadow-sm);
  scroll-margin-top: 100px;
}

.service-detail-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: center;
}

@media (min-width: 860px) {
  .service-detail-grid {
    grid-template-columns: 1fr 1fr;
  }
  .service-detail-item:nth-child(even) .service-detail-grid > :first-child {
    order: 2;
  }
}

.service-detail-img-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid #CBD5E1;
}

.service-detail-content h2 {
  font-size: 1.75rem;
  margin-bottom: 14px;
}

.service-detail-desc {
  font-size: 1.0625rem;
  color: #475569;
  line-height: 1.7;
  margin-bottom: 20px;
}

.detail-subheading {
  font-size: 0.9375rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-charcoal);
  letter-spacing: 0.05em;
  margin-top: 16px;
  margin-bottom: 10px;
}

.feature-list {
  list-style: none;
  padding: 0;
  margin-bottom: 24px;
}

.feature-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 8px;
  font-size: 0.9375rem;
  color: #334155;
}

.feature-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--color-orange);
  font-weight: 800;
}

/* --------------------------------------------------------------------------
   11. Project Portfolio & Gallery Filter System
   -------------------------------------------------------------------------- */
.gallery-filter-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-bottom: 40px;
}

.filter-btn {
  background-color: var(--color-white);
  border: 1px solid var(--color-border-light);
  color: var(--color-charcoal);
  padding: 10px 20px;
  border-radius: 30px;
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  cursor: pointer;
  transition: all var(--transition-fast);
}

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

.filter-btn.active {
  background-color: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-black);
  box-shadow: var(--shadow-sm);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .portfolio-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.project-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card.hidden {
  display: none !important;
}

.project-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.project-img-box {
  position: relative;
  aspect-ratio: 16 / 11;
  background-color: var(--color-charcoal);
  cursor: pointer;
  overflow: hidden;
}

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

.project-card:hover .project-img-box img {
  transform: scale(1.06);
}

.project-img-overlay {
  position: absolute;
  inset: 0;
  background: rgba(13, 15, 18, 0.65);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.project-card:hover .project-img-overlay {
  opacity: 1;
}

.overlay-btn {
  background-color: var(--color-orange);
  color: var(--color-black);
  padding: 8px 16px;
  border-radius: 20px;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.project-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background-color: rgba(13, 15, 18, 0.85);
  color: var(--color-orange);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(245, 158, 11, 0.3);
}

.project-info {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1 0 auto;
}

.project-title {
  font-size: 1.15rem;
  margin-bottom: 6px;
  color: var(--color-charcoal);
}

.project-location {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8125rem;
  color: var(--color-steel);
  margin-bottom: 12px;
}

.project-desc {
  font-size: 0.875rem;
  color: #475569;
  line-height: 1.55;
  margin-bottom: 16px;
  flex: 1 0 auto;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

.project-tag {
  background-color: var(--color-bg-light);
  color: var(--color-steel);
  font-size: 0.75rem;
  padding: 3px 8px;
  border-radius: 4px;
}

.project-action {
  margin-top: auto;
  border-top: 1px solid var(--color-border-light);
  padding-top: 12px;
}

/* Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(13, 15, 18, 0.95);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-fast), visibility var(--transition-fast);
}

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

.lightbox-content {
  position: relative;
  max-width: 900px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.lightbox-img {
  max-height: 75vh;
  max-width: 100%;
  border-radius: var(--radius-sm);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.lightbox-caption {
  color: var(--color-white);
  font-family: var(--font-heading);
  font-size: 1rem;
  font-weight: 600;
  margin-top: 16px;
  text-align: center;
}

.lightbox-close {
  position: absolute;
  top: -46px;
  right: 0;
  background: transparent;
  border: none;
  color: var(--color-white);
  font-size: 2.25rem;
  cursor: pointer;
  line-height: 1;
}

/* --------------------------------------------------------------------------
   12. Process Steps & Why Choose Us
   -------------------------------------------------------------------------- */
.process-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

@media (min-width: 640px) {
  .process-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .process-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

.process-step {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  border: 1px solid var(--color-border-light);
  box-shadow: var(--shadow-sm);
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.process-step-num {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 900;
  color: var(--color-orange);
  line-height: 1;
  margin-bottom: 12px;
}

.process-step-title {
  font-size: 1.0625rem;
  margin-bottom: 8px;
  color: var(--color-charcoal);
}

.process-step-desc {
  font-size: 0.875rem;
  color: var(--color-steel);
  line-height: 1.5;
}

/* Why Choose Us Cards */
.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

@media (min-width: 640px) {
  .features-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-box {
  background-color: var(--color-charcoal);
  border: 1px solid var(--color-steel-border);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--color-orange);
}

.feature-box-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  background-color: rgba(245, 158, 11, 0.15);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.feature-box-title {
  font-size: 1.15rem;
  color: var(--color-white);
  margin-bottom: 10px;
}

.feature-box-desc {
  font-size: 0.9375rem;
  color: #94A3B8;
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   13. Forms (Quote Request & Contact Form)
   -------------------------------------------------------------------------- */
.form-card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border-light);
  padding: 36px 30px;
  box-shadow: var(--shadow-md);
}

@media (min-width: 768px) {
  .form-card {
    padding: 44px 40px;
  }
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-bottom: 20px;
}

@media (min-width: 640px) {
  .form-row.two-col {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  margin-bottom: 20px;
}

.form-label {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-charcoal);
  margin-bottom: 8px;
}

.form-label .optional {
  font-size: 0.75rem;
  color: var(--color-steel);
  font-weight: 400;
  text-transform: none;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  border: 1px solid #CBD5E1;
  border-radius: var(--radius-sm);
  background-color: #FFFFFF;
  color: var(--color-charcoal);
  font-size: 0.9375rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-orange);
  box-shadow: 0 0 0 3px var(--color-orange-glow);
}

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

.form-help {
  font-size: 0.8125rem;
  color: var(--color-steel);
  margin-top: 6px;
}

.form-disclaimer {
  font-size: 0.8125rem;
  color: var(--color-steel);
  margin-top: 16px;
  line-height: 1.5;
}

/* --------------------------------------------------------------------------
   14. Contact Cards & Map
   -------------------------------------------------------------------------- */
.contact-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 48px;
}

@media (min-width: 640px) {
  .contact-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .contact-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.contact-info-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-light);
  padding: 28px 20px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.contact-info-card:hover {
  transform: translateY(-4px);
  border-color: var(--color-orange);
}

.contact-card-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}

.contact-info-card h3 {
  font-size: 1.125rem;
  margin-bottom: 8px;
}

.contact-card-value {
  font-size: 0.9375rem;
  color: var(--color-steel);
  line-height: 1.5;
  margin-bottom: 12px;
}

.contact-info-card a.contact-card-value {
  color: var(--color-charcoal);
  font-weight: 600;
}

.contact-info-card a.contact-card-value:hover {
  color: var(--color-orange);
}

.map-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border-light);
  background-color: var(--color-white);
}

.map-responsive {
  position: relative;
  width: 100%;
  padding-bottom: 45%;
  min-height: 380px;
}

.map-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

/* --------------------------------------------------------------------------
   15. FAQ Accordion
   -------------------------------------------------------------------------- */
.faq-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}

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

.faq-item:hover {
  border-color: #CBD5E1;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  background: transparent;
  border: none;
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--color-charcoal);
  text-align: left;
  cursor: pointer;
}

.faq-icon {
  width: 18px;
  height: 18px;
  color: var(--color-orange);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
  margin-left: 12px;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base), padding var(--transition-base);
  padding: 0 24px;
  font-size: 0.9375rem;
  color: #475569;
  line-height: 1.65;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding-bottom: 20px;
}

/* --------------------------------------------------------------------------
   16. CTA Banner
   -------------------------------------------------------------------------- */
.cta-banner {
  background: linear-gradient(135deg, var(--color-charcoal) 0%, var(--color-black) 100%);
  color: var(--color-white);
  padding: 60px 0;
  border-top: 2px solid var(--color-steel-border);
  border-bottom: 2px solid var(--color-steel-border);
}

.cta-banner-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
}

@media (min-width: 860px) {
  .cta-banner-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.cta-content h2 {
  font-size: 1.85rem;
  color: var(--color-white);
  margin-bottom: 8px;
}

.cta-content p {
  color: #CBD5E1;
  font-size: 1.0625rem;
}

.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   17. Footer Styles
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: var(--color-black);
  color: #94A3B8;
  border-top: 3px solid var(--color-orange);
  font-size: 0.9375rem;
}

.footer-top {
  padding: 70px 0 50px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

@media (min-width: 640px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.4fr 0.9fr 1fr 1.3fr;
  }
}

.footer-about .footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-about .logo-brand {
  color: var(--color-white);
  font-size: 1.15rem;
}

.footer-about .logo-sub {
  color: var(--color-orange);
}

.footer-desc {
  font-size: 0.875rem;
  line-height: 1.65;
  color: #94A3B8;
  margin-bottom: 20px;
}

.footer-location-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8125rem;
  color: #CBD5E1;
  background-color: rgba(255, 255, 255, 0.05);
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-location-tag .tag-icon {
  color: var(--color-orange);
  width: 16px;
  height: 16px;
}

.footer-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-white);
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 8px;
}

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

.footer-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-nav li {
  margin-bottom: 10px;
}

.footer-nav a {
  color: #94A3B8;
  transition: color var(--transition-fast), transform var(--transition-fast);
  display: inline-block;
}

.footer-nav a:hover {
  color: var(--color-orange);
  transform: translateX(3px);
}

/* Contact column in footer */
.footer-contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
}

.footer-contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.875rem;
}

.contact-icon-wrap {
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background-color: rgba(245, 158, 11, 0.12);
  color: var(--color-orange);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-icon-wrap svg {
  width: 16px;
  height: 16px;
}

.contact-label {
  display: block;
  font-size: 0.75rem;
  text-transform: uppercase;
  color: #64748B;
  letter-spacing: 0.05em;
}

.contact-value {
  color: #CBD5E1;
  font-weight: 500;
}

.contact-value:hover {
  color: var(--color-orange);
}

.email-value {
  word-break: break-all;
}

/* Footer Social */
.social-heading {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  color: #CBD5E1;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.social-links {
  display: flex;
  align-items: center;
  gap: 10px;
}

.social-link {
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background-color: #1A1F26;
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: #CBD5E1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

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

.social-link:hover {
  background-color: var(--color-orange);
  border-color: var(--color-orange);
  color: var(--color-black);
  transform: translateY(-2px);
}

.footer-bottom {
  background-color: #080A0C;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 20px 0;
  font-size: 0.8125rem;
}

.footer-bottom-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  text-align: center;
}

@media (min-width: 640px) {
  .footer-bottom-inner {
    flex-direction: row;
    text-align: left;
  }
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #64748B;
}

.footer-bottom-links a:hover {
  color: var(--color-orange);
}

.footer-bottom-links .sep {
  opacity: 0.4;
}

/* --------------------------------------------------------------------------
   18. Informational Callout & Notice Boxes
   -------------------------------------------------------------------------- */
.notice-box {
  background-color: rgba(245, 158, 11, 0.08);
  border-left: 4px solid var(--color-orange);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  margin: 20px 0;
  font-size: 0.9375rem;
  color: #475569;
}

.notice-box strong {
  color: var(--color-charcoal);
}

.section-dark .notice-box {
  background-color: rgba(245, 158, 11, 0.12);
  color: #CBD5E1;
}

.section-dark .notice-box strong {
  color: var(--color-white);
}

/* Accessibility: Focus visible outline */
:focus-visible {
  outline: 2px solid var(--color-orange);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  .top-bar,
  .site-header,
  .floating-wa-container,
  .cta-banner,
  .site-footer {
    display: none !important;
  }
  body {
    background: #FFF;
    color: #000;
  }
}