/* ==========================================================================
   Rajhans Industries — Shared Stylesheet
   Design system: Industrial Modern
   Breakpoints: 360px | 768px | 1280px
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Custom Properties
   -------------------------------------------------------------------------- */
:root {
  /* Brand colours */
  --color-primary:       #0F2C4A;
  --color-primary-light: #163B61;
  --color-primary-dark:  #081D32;
  --color-accent:        #E85D04;
  --color-accent-dark:   #C94E02;
  --color-accent-light:  #FF7A1A;

  /* Surfaces */
  --color-surface:       #F7F7F5;
  --color-surface-dark:  #EEEEED;
  --color-white:         #FFFFFF;

  /* Text */
  --color-text:          #4A5563;
  --color-text-dark:     #1F2937;
  --color-text-light:    #6B7280;
  --color-text-inverse:  #FFFFFF;

  /* Borders / dividers */
  --color-border:        #E5E7EB;
  --color-border-dark:   #D1D5DB;

  /* Placeholder visual treatment */
  --color-ph-bg:         #EEF2F7;
  --color-ph-border:     #94A3B8;
  --color-ph-text:       #64748B;

  /* Typography */
  --font-body:    -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
                  "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --font-display: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-mono:    "Menlo", "Consolas", monospace;

  /* Font scale */
  --text-xs:   0.75rem;    /* 12px */
  --text-sm:   0.875rem;   /* 14px */
  --text-base: 1rem;       /* 16px */
  --text-lg:   1.125rem;   /* 18px */
  --text-xl:   1.25rem;    /* 20px */
  --text-2xl:  1.5rem;     /* 24px */
  --text-3xl:  1.875rem;   /* 30px */
  --text-4xl:  2.25rem;    /* 36px */
  --text-5xl:  3rem;       /* 48px */
  --text-6xl:  3.75rem;    /* 60px */

  /* Spacing */
  --space-1:  0.25rem;
  --space-2:  0.5rem;
  --space-3:  0.75rem;
  --space-4:  1rem;
  --space-5:  1.25rem;
  --space-6:  1.5rem;
  --space-8:  2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;

  /* Section rhythm */
  --section-pad-desktop: 5rem;
  --section-pad-mobile:  3rem;

  /* Container */
  --container-max: 1200px;
  --container-pad: 1.5rem;

  /* Nav */
  --nav-height: 72px;

  /* Radius */
  --radius-sm:  3px;
  --radius-md:  6px;
  --radius-lg:  10px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(15, 44, 74, 0.08), 0 1px 2px rgba(15, 44, 74, 0.04);
  --shadow-md:  0 4px 12px rgba(15, 44, 74, 0.10), 0 2px 4px rgba(15, 44, 74, 0.06);
  --shadow-lg:  0 10px 30px rgba(15, 44, 74, 0.12), 0 4px 8px rgba(15, 44, 74, 0.08);
  --shadow-accent: 0 4px 16px rgba(232, 93, 4, 0.30);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

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

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  font-family: inherit;
  border: none;
  background: none;
}

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

table {
  border-collapse: collapse;
  width: 100%;
}

/* --------------------------------------------------------------------------
   3. Skip-to-content
   -------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  z-index: 9999;
  padding: 0.5rem 1rem;
  background: var(--color-accent);
  color: #fff;
  font-weight: 700;
  font-size: var(--text-sm);
  border-radius: 0 0 var(--radius-md) var(--radius-md);
  text-decoration: none;
  transition: top var(--transition-fast);
}
.skip-link:focus {
  top: 0;
}

/* --------------------------------------------------------------------------
   4. Layout Utilities
   -------------------------------------------------------------------------- */
.container {
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section {
  padding-block: var(--section-pad-mobile);
}

.section--dark {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

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

.section--primary-dark {
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
}

/* --------------------------------------------------------------------------
   5. Typography
   -------------------------------------------------------------------------- */
.section-label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-3);
}

.section-label--inverse {
  color: var(--color-accent-light);
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-text-dark);
  line-height: 1.2;
  font-weight: 700;
}

h1 { font-size: var(--text-4xl); }
h2 { font-size: var(--text-3xl); }
h3 { font-size: var(--text-2xl); }
h4 { font-size: var(--text-xl); }

.heading-xl {
  font-size: clamp(var(--text-3xl), 5vw, var(--text-5xl));
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.heading-lg {
  font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl));
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.heading-inverse {
  color: var(--color-white);
}

.lead {
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-text);
}

.lead--inverse {
  color: rgba(255, 255, 255, 0.82);
}

/* --------------------------------------------------------------------------
   6. Buttons
   -------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.02em;
  border-radius: var(--radius-md);
  transition: background var(--transition-base),
              color var(--transition-base),
              box-shadow var(--transition-base),
              transform var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  font-family: var(--font-body);
  border: 2px solid transparent;
  line-height: 1;
}

.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.btn--primary {
  background-color: var(--color-accent);
  color: #fff;
  border-color: var(--color-accent);
}
.btn--primary:hover {
  background-color: var(--color-accent-dark);
  border-color: var(--color-accent-dark);
  box-shadow: var(--shadow-accent);
  transform: translateY(-1px);
}

.btn--primary-lg {
  padding: 1rem 2rem;
  font-size: var(--text-base);
}

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

.btn--outline-inverse {
  background-color: transparent;
  color: #fff;
  border-color: rgba(255,255,255,0.5);
}
.btn--outline-inverse:hover {
  background-color: rgba(255,255,255,0.1);
  border-color: #fff;
}

.btn--ghost {
  color: var(--color-accent);
  padding-left: 0;
  padding-right: 0;
}
.btn--ghost:hover {
  color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   7. Navigation
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  height: var(--nav-height);
  display: flex;
  align-items: center;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: box-shadow var(--transition-base);
}

.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.25);
}

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

/* Logo */
.nav-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  text-decoration: none;
  gap: 0.65rem;
}

.nav-logo__img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  flex-shrink: 0;
  border-radius: 50%;
  background: #fff;
}

.nav-logo__text {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.nav-logo__name {
  font-size: var(--text-base);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.nav-logo__tagline {
  display: none; /* hidden on mobile — restored at 1024px */
  font-size: 0.625rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  line-height: 1;
}

.nav-logo__accent {
  color: var(--color-accent);
}

/* Desktop nav */
.nav-links {
  display: none;
  align-items: center;
  gap: var(--space-1);
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.80);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.01em;
}
.nav-links a:hover,
.nav-links a[aria-current="page"] {
  color: #fff;
  background-color: rgba(255,255,255,0.08);
}

/* Services dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.80);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: color var(--transition-fast), background var(--transition-fast);
  letter-spacing: 0.01em;
  font-family: var(--font-body);
}
.nav-dropdown__toggle:hover,
.nav-dropdown:hover .nav-dropdown__toggle {
  color: #fff;
  background-color: rgba(255,255,255,0.08);
}

.nav-dropdown__menu {
  display: none;
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.nav-dropdown:hover .nav-dropdown__menu,
.nav-dropdown:focus-within .nav-dropdown__menu {
  display: block;
}

.nav-dropdown__menu a,
.nav-dropdown__menu .menu-item-plain {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 0.75rem 1.25rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dark);
  border-radius: 0;
  background: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-dropdown__menu a:hover {
  background-color: var(--color-surface);
  color: var(--color-accent);
}
.nav-dropdown__menu .menu-item-plain {
  cursor: default;
  opacity: 0.75;
}
.nav-dropdown__menu a + a,
.nav-dropdown__menu a + .menu-item-plain,
.nav-dropdown__menu .menu-item-plain + .menu-item-plain,
.nav-dropdown__menu .menu-item-plain + a {
  border-top: 1px solid var(--color-border);
}

.nav-dropdown__menu .menu-icon {
  width: 18px;
  height: 18px;
  opacity: 0.5;
  flex-shrink: 0;
}

/* Nav CTA group */
.nav-cta-group {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Mobile: hide "Request a Quote" button — only hamburger visible */
.nav-cta-group .btn--primary {
  display: none;
}

.nav-call {
  display: none;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.85);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 0.4rem 0.75rem;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}
.nav-call:hover { color: #fff; }

/* Hamburger */
.nav-hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.nav-hamburger:hover { background: rgba(255,255,255,0.08); }
.nav-hamburger:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.nav-hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: #fff;
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
  transform-origin: center;
}
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-primary-dark);
  z-index: 999;
  overflow-y: auto;
  padding: var(--space-6) var(--container-pad);
}
.mobile-menu.open { display: block; }

.mobile-menu a {
  display: block;
  padding: 0.875rem 0;
  color: rgba(255,255,255,0.85);
  font-size: var(--text-base);
  font-weight: 500;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  transition: color var(--transition-fast);
}
.mobile-menu a:hover { color: #fff; }

.mobile-menu .mobile-services-label {
  display: block;
  padding: 0.875rem 0 0.4rem;
  color: rgba(255,255,255,0.4);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-bottom: none;
}

.mobile-menu .mobile-service-link {
  padding-left: var(--space-4);
  font-size: var(--text-sm);
  cursor: default;
  opacity: 0.75;
}

.mobile-cta-wrap {
  margin-top: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Prevent .mobile-menu a styles from breaking the CTA buttons */
.mobile-cta-wrap .btn {
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0.875rem 1.5rem;
  border-bottom: none;
  gap: var(--space-2);
}

/* --------------------------------------------------------------------------
   8. Hero — Homepage
   -------------------------------------------------------------------------- */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-color: var(--color-primary-dark);
  overflow: hidden;
}

/* CSS industrial background pattern — replaced by real photo */
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    /* Diagonal steel grid */
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 60px,
      rgba(255,255,255,0.015) 60px,
      rgba(255,255,255,0.015) 61px
    ),
    repeating-linear-gradient(
      35deg,
      transparent,
      transparent 80px,
      rgba(255,255,255,0.015) 80px,
      rgba(255,255,255,0.015) 81px
    ),
    /* Vignette */
    radial-gradient(ellipse at 30% 50%, rgba(22, 59, 97, 0.6) 0%, transparent 65%),
    /* Base gradient */
    linear-gradient(135deg, #081D32 0%, #0F2C4A 40%, #122236 100%);
  z-index: 0;
}

/* When a real photo is used, add this class to .hero */
.hero--has-photo::before {
  background-image:
    linear-gradient(to right, rgba(8,29,50,0.88) 0%, rgba(8,29,50,0.65) 60%, rgba(8,29,50,0.5) 100%);
}

.hero__bg-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
}

/* Photo placeholder box */
.hero__photo-placeholder {
  position: absolute;
  inset: 0;
  background: var(--color-ph-bg);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  opacity: 0.06;
  pointer-events: none;
  z-index: 0;
}
.hero__photo-placeholder p {
  font-size: var(--text-sm);
  font-style: italic;
  color: var(--color-ph-text);
  text-align: center;
  max-width: 300px;
}

.hero__content {
  position: relative;
  z-index: 1;
  max-width: 760px;
  padding-block: var(--space-20);
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.35rem 0.875rem;
  background: rgba(232, 93, 4, 0.15);
  border: 1px solid rgba(232, 93, 4, 0.35);
  border-radius: 2rem;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent-light);
  margin-bottom: var(--space-5);
}

.hero__badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.8); }
}

.hero__title {
  font-size: clamp(2.25rem, 5.5vw, 4rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.08;
  letter-spacing: -0.025em;
  margin-bottom: var(--space-5);
}

.hero__title-accent {
  color: var(--color-accent);
}

.hero__subtitle {
  font-size: clamp(var(--text-base), 2vw, var(--text-lg));
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.7;
  max-width: 600px;
  margin-bottom: var(--space-8);
}

.hero__services-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 0.35rem 0.875rem;
  background: rgba(255,255,255,0.07);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.8);
}

.hero__pill-dash {
  width: 14px;
  height: 2px;
  background: var(--color-accent);
  flex-shrink: 0;
}

.hero__cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* Scroll indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.4);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
}
.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.4), transparent);
  animation: scroll-drop 2s ease-in-out infinite;
}
@keyframes scroll-drop {
  0%, 100% { transform: scaleY(1); transform-origin: top; }
  50% { transform: scaleY(0.5); transform-origin: top; }
}

/* --------------------------------------------------------------------------
   9. Section Headings
   -------------------------------------------------------------------------- */
.section-head {
  margin-bottom: var(--space-10);
}
.section-head--center {
  text-align: center;
}

.section-divider {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  margin-top: var(--space-4);
  border-radius: 2px;
}
.section-divider--center { margin-inline: auto; }

/* --------------------------------------------------------------------------
   10. Services Grid
   -------------------------------------------------------------------------- */
.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

.service-card {
  display: flex;
  flex-direction: column;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base), transform var(--transition-base),
              border-color var(--transition-base);
  text-decoration: none;
  color: inherit;
}
.service-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: var(--color-accent);
}
.service-card:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.service-card__img-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-ph-bg);
  overflow: hidden;
  flex-shrink: 0;
}

.service-card__img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Photo placeholder within card */
.ph-img {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-4);
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 12px,
      rgba(148, 163, 184, 0.12) 12px,
      rgba(148, 163, 184, 0.12) 14px
    ),
    var(--color-ph-bg);
  border-bottom: 2px dashed var(--color-ph-border);
}

.ph-img__icon {
  opacity: 0.35;
}

.ph-img__label {
  font-size: var(--text-xs);
  font-weight: 600;
  font-style: italic;
  color: var(--color-ph-text);
  text-align: center;
  line-height: 1.4;
}

.service-card__body {
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.service-card__icon {
  width: 44px;
  height: 44px;
  background: rgba(232, 93, 4, 0.08);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-4);
  color: var(--color-accent);
}

.service-card__name {
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-2);
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.65;
  flex-grow: 1;
  margin-bottom: var(--space-5);
}

.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast), color var(--transition-fast);
}
.service-card:hover .service-card__link {
  gap: var(--space-2);
  color: var(--color-accent-dark);
}

/* --------------------------------------------------------------------------
   11. Stats / Credibility Strip
   -------------------------------------------------------------------------- */
.stats-strip {
  background-color: var(--color-primary);
  padding-block: var(--section-pad-mobile);
  position: relative;
  overflow: hidden;
}

.stats-strip::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 120px,
      rgba(255,255,255,0.03) 120px,
      rgba(255,255,255,0.03) 121px
    );
  pointer-events: none;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-8) var(--space-6);
  position: relative;
  z-index: 1;
}

.stat-item {
  text-align: center;
}

.stat-item__number {
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-item__number .stat-ph {
  font-size: 0.45em;
  font-weight: 600;
  color: var(--color-accent-light);
  display: block;
  letter-spacing: 0;
}

.stat-item__label {
  font-size: var(--text-sm);
  font-weight: 500;
  color: rgba(255,255,255,0.60);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* --------------------------------------------------------------------------
   12. Client Logos & Certifications
   -------------------------------------------------------------------------- */
.clients-section {
  /* To hide this section if no logos/certs yet: add display:none to this element */
  /* or wrap in an HTML comment. See README for instructions. */
}

.clients-scroll-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-8);
}

.client-name {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1.4rem;
  border: 1px solid rgba(15, 44, 74, 0.18);
  border-radius: 999px;
  background: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.03em;
  white-space: nowrap;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
  transition: box-shadow var(--transition-base), border-color var(--transition-base);
}
.client-name:hover {
  box-shadow: 0 3px 12px rgba(15,44,74,0.12);
  border-color: rgba(15,44,74,0.35);
}

.cert-badges-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  justify-content: center;
  align-items: center;
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-8);
}

.cert-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  border: 1.5px dashed var(--color-ph-border);
  border-radius: var(--radius-md);
  background: var(--color-ph-bg);
  font-size: var(--text-xs);
  font-weight: 600;
  font-style: italic;
  color: var(--color-ph-text);
}

.cert-badge__icon {
  opacity: 0.5;
}

/* --------------------------------------------------------------------------
   13. Process Steps
   -------------------------------------------------------------------------- */
.process-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  position: relative;
}

.process-step {
  display: flex;
  gap: var(--space-5);
  align-items: flex-start;
}

.process-step__number-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.process-step__number {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  font-weight: 800;
  flex-shrink: 0;
  position: relative;
  z-index: 1;
  border: 3px solid var(--color-surface);
  box-shadow: 0 0 0 2px var(--color-primary);
}

.process-step__line {
  width: 2px;
  flex-grow: 1;
  background: linear-gradient(to bottom, var(--color-primary), var(--color-border));
  margin-top: var(--space-1);
  min-height: 40px;
}

.process-step:last-child .process-step__line {
  display: none;
}

.process-step__content {
  padding-top: 0.6rem;
  flex-grow: 1;
}

.process-step__title {
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--color-text-dark);
  margin-bottom: var(--space-1);
}

.process-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.65;
}

.process-step__icon {
  width: 20px;
  height: 20px;
  color: var(--color-accent);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   14. CTA Band
   -------------------------------------------------------------------------- */
.cta-band {
  background: var(--color-primary-dark);
  padding-block: var(--section-pad-mobile);
  position: relative;
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(232, 93, 4, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.cta-band__inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: relative;
  z-index: 1;
}

.cta-band__title {
  font-size: clamp(var(--text-2xl), 3.5vw, var(--text-4xl));
  font-weight: 800;
  color: #fff;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.cta-band__subtitle {
  font-size: var(--text-base);
  color: rgba(255,255,255,0.65);
  max-width: 500px;
}

.cta-band__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

.cta-band__phone {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.80);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  transition: color var(--transition-fast);
}
.cta-band__phone:hover { color: #fff; }

/* --------------------------------------------------------------------------
   15. Footer
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.72);
  padding-block: var(--space-16) var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  margin-bottom: var(--space-12);
}

.footer-brand__logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  margin-bottom: var(--space-4);
}

.footer-brand__logo-img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 50%;
  background: #fff;
  flex-shrink: 0;
}

.footer-brand__logo-text {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.footer-brand__name {
  font-size: var(--text-xl);
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

.footer-brand__name span { color: var(--color-accent); }

.footer-brand__sub {
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.35);
}

.footer-brand__desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: rgba(255,255,255,0.58);
  max-width: 280px;
  margin-bottom: var(--space-5);
}

.footer-address {
  font-size: var(--text-sm);
  line-height: 1.8;
  color: rgba(255,255,255,0.58);
  font-style: normal;
}

.footer-col__heading {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.40);
  margin-bottom: var(--space-4);
}

.footer-links li + li {
  margin-top: var(--space-2);
}

.footer-links a {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.62);
  transition: color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}
.footer-links a:hover { color: #fff; }

.footer-contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.footer-contact-item svg {
  flex-shrink: 0;
  margin-top: 3px;
  color: var(--color-accent);
  opacity: 0.8;
}

.footer-contact-item p {
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.62);
  line-height: 1.5;
}

.footer-contact-item a {
  color: rgba(255,255,255,0.62);
  transition: color var(--transition-fast);
}
.footer-contact-item a:hover { color: #fff; }

.footer-social {
  display: flex;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255,255,255,0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.5);
  transition: border-color var(--transition-fast), color var(--transition-fast),
              background var(--transition-fast);
}
.footer-social a:hover {
  border-color: rgba(255,255,255,0.30);
  color: #fff;
  background: rgba(255,255,255,0.05);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding-top: var(--space-8);
}

.footer-cert-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}

.footer-cert-ph {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.375rem 0.875rem;
  border: 1px dashed rgba(255,255,255,0.2);
  border-radius: var(--radius-sm);
  font-size: var(--text-xs);
  font-style: italic;
  color: rgba(255,255,255,0.35);
}

.footer-legal {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.30);
}

/* --------------------------------------------------------------------------
   16. Placeholder Components
   -------------------------------------------------------------------------- */
/* Generic placeholder block (images, large placeholders) */
.ph-block {
  position: relative;
  background:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 14px,
      rgba(148, 163, 184, 0.10) 14px,
      rgba(148, 163, 184, 0.10) 16px
    ),
    var(--color-ph-bg);
  border: 2px dashed var(--color-ph-border);
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-8) var(--space-6);
  gap: var(--space-3);
  text-align: center;
}

.ph-block::before {
  content: "PLACEHOLDER — REPLACE BEFORE LAUNCH";
  position: absolute;
  top: var(--space-2);
  left: var(--space-3);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-ph-border);
}

.ph-block__label {
  font-size: var(--text-sm);
  font-style: italic;
  font-weight: 600;
  color: var(--color-ph-text);
  line-height: 1.5;
}

.ph-block__note {
  font-size: var(--text-xs);
  color: rgba(100,116,139,0.7);
}

/* Inline placeholder text */
.ph-text {
  display: inline-block;
  background: rgba(232, 93, 4, 0.08);
  border: 1px dashed rgba(232, 93, 4, 0.4);
  border-radius: var(--radius-sm);
  padding: 0 0.4em;
  font-style: italic;
  font-weight: 600;
  color: #b84500;
  font-size: inherit;
}

/* --------------------------------------------------------------------------
   17. Page Hero (Inner Pages)
   -------------------------------------------------------------------------- */
.page-hero {
  background: var(--color-primary);
  padding-block: var(--space-16) var(--space-12);
  position: relative;
  overflow: hidden;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      -55deg,
      transparent,
      transparent 50px,
      rgba(255,255,255,0.015) 50px,
      rgba(255,255,255,0.015) 51px
    );
}

.page-hero__content {
  position: relative;
  z-index: 1;
}

.page-hero__breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-5);
  font-size: var(--text-sm);
  color: rgba(255,255,255,0.50);
}

.page-hero__breadcrumb a {
  color: rgba(255,255,255,0.50);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.page-hero__breadcrumb a:hover { color: rgba(255,255,255,0.80); }

.page-hero__breadcrumb-sep {
  color: rgba(255,255,255,0.25);
}

.page-hero__breadcrumb-current {
  color: rgba(255,255,255,0.80);
}

.page-hero__title {
  font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl));
  font-weight: 800;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1.1;
  margin-bottom: var(--space-4);
}

.page-hero__desc {
  font-size: var(--text-lg);
  color: rgba(255,255,255,0.70);
  max-width: 600px;
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   18. Service Detail Page Styles
   -------------------------------------------------------------------------- */
.spec-table {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  font-size: var(--text-sm);
}

.spec-table th {
  background: var(--color-primary);
  color: rgba(255,255,255,0.90);
  padding: 0.875rem 1.25rem;
  text-align: left;
  font-weight: 600;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.spec-table td {
  padding: 0.875rem 1.25rem;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  vertical-align: top;
}

.spec-table tr:nth-child(even) td {
  background: var(--color-surface);
}

.spec-table .spec-label {
  font-weight: 600;
  color: var(--color-text-dark);
  width: 40%;
}

/* Feature / what-we-do list */
.feature-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.feature-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}

.feature-item__bullet {
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--color-accent);
  flex-shrink: 0;
  margin-top: 0.45em;
  transform: rotate(45deg);
}

.feature-item__text {
  font-size: var(--text-sm);
  color: var(--color-text);
  line-height: 1.6;
}

.feature-item__ph {
  font-style: italic;
  color: var(--color-ph-text);
}

/* Industries tag list */
.industries-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.industry-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.5rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-dark);
  background: var(--color-surface);
}

/* Project gallery grid */
.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.gallery-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  transition: box-shadow var(--transition-base), transform var(--transition-base);
}
.gallery-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.gallery-card__img {
  width: 100%;
  aspect-ratio: 4/3;
}

.gallery-card__info {
  padding: var(--space-4) var(--space-5);
}

.gallery-card__title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-1);
}

.gallery-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   19. Contact / RFQ Form
   -------------------------------------------------------------------------- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

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

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-dark);
}

.form-label .required {
  color: var(--color-accent);
  margin-left: 2px;
}

.form-control {
  display: block;
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  color: var(--color-text-dark);
  background: var(--color-white);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  appearance: none;
  line-height: 1.5;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(15, 44, 74, 0.10);
}

.form-control::placeholder {
  color: var(--color-text-light);
}

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

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-file-note {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  margin-top: var(--space-1);
}

.form-submit-wrap {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-top: var(--space-2);
}

.form-disclaimer {
  font-size: var(--text-xs);
  color: var(--color-text-light);
  line-height: 1.6;
}

/* --------------------------------------------------------------------------
   20. Two-column Info Layout
   -------------------------------------------------------------------------- */
.two-col {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-10);
  align-items: start;
}

/* --------------------------------------------------------------------------
   21. Responsive: 768px+
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  :root {
    --section-pad-mobile: var(--section-pad-desktop);
  }

  h1 { font-size: var(--text-5xl); }
  h2 { font-size: var(--text-4xl); }

  .section { padding-block: var(--section-pad-desktop); }

  /* Nav */
  .nav-links { display: flex; }
  .nav-hamburger { display: none; }
  .nav-call { display: flex; }
  .nav-logo__img { width: 44px; height: 44px; }
  .nav-logo__name { font-size: var(--text-xl); }
  .nav-logo__tagline { display: block; }
  .nav-cta-group .btn--primary { display: inline-flex; }

  /* Hero */
  .hero__content { padding-block: var(--space-24); }

  /* Services */
  .services-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  /* Stats */
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .stat-item {
    padding: var(--space-6) var(--space-4);
    border-right: 1px solid rgba(255,255,255,0.08);
  }
  .stat-item:last-child { border-right: none; }

  /* Process */
  .process-steps {
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
  }
  .process-step {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 0 var(--space-4);
    position: relative;
  }
  /* Horizontal connector line drawn between steps */
  .process-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 24px; /* half of the 48px circle */
    left: 50%;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, var(--color-primary), var(--color-border));
    z-index: 0;
  }
  .process-step__number-wrap {
    flex-direction: column;
    align-items: center;
    width: auto;
    margin-bottom: var(--space-5);
    position: relative;
    z-index: 1;
  }
  .process-step__number {
    position: relative;
    z-index: 1;
  }
  .process-step__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 0;
  }
  .process-step__icon {
    display: block;
    margin: 0 auto var(--space-2);
  }
  /* Hide the original vertical line element on desktop */
  .process-step__line { display: none; }

  /* Footer */
  .footer-grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--space-8);
  }
  .footer-legal {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }

  /* CTA band */
  .cta-band__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .cta-band__text { flex-grow: 1; max-width: 60%; }
  .cta-band__actions { flex-shrink: 0; }

  /* Form */
  .form-grid { grid-template-columns: 1fr 1fr; }
  .form-submit-wrap { flex-direction: row; align-items: center; }

  /* Gallery */
  .gallery-grid { grid-template-columns: repeat(2, 1fr); }

  /* Feature list */
  .feature-list { grid-template-columns: repeat(2, 1fr); }

  /* Two-col */
  .two-col { grid-template-columns: 1fr 1fr; }
}

/* --------------------------------------------------------------------------
   22. Responsive: 1280px+
   -------------------------------------------------------------------------- */
@media (min-width: 1280px) {
  :root {
    --container-pad: 2rem;
    --section-pad-desktop: 6rem;
  }

  .services-grid { grid-template-columns: repeat(4, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); }
  .feature-list { grid-template-columns: repeat(3, 1fr); }

  .hero__content { max-width: 820px; }
}

/* --------------------------------------------------------------------------
   23. Focus & Accessibility Utilities
   -------------------------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border-width: 0;
}

/* --------------------------------------------------------------------------
   24. Print Styles
   -------------------------------------------------------------------------- */
@media print {
  .site-header, .hero__scroll, .cta-band, .nav-hamburger, .mobile-menu {
    display: none !important;
  }
  body { color: #000; background: #fff; }
  a { text-decoration: underline; }
}