/* ============================================================
   American Hard Chrome — Main Stylesheet
   Author: AHC Web Team
   Standard: WCAG 2.1 AA | Mobile-First Responsive
   ============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors */
  --color-primary:       #1c2b3a;
  --color-primary-dark:  #0f1a26;
  --color-primary-light: #2a3f54;
  --color-accent:        #cc7700;
  --color-accent-hover:  #e68900;
  --color-chrome:        #9eb3c2;
  --color-chrome-light:  #c8d8e4;
  --color-text:          #1e1e1e;
  --color-text-light:    #5a6672;
  --color-text-inverse:  #f0f4f8;
  --color-bg:            #ffffff;
  --color-bg-alt:        #f0f2f5;
  --color-border:        #d6dce3;
  --color-white:         #ffffff;
  --color-success:       #2e7d32;
  --color-error:         #c62828;

  /* Typography */
  --font-heading: 'Montserrat', sans-serif;
  --font-body:    'Open Sans', sans-serif;

  /* Font Sizes */
  --fs-xs:   0.75rem;
  --fs-sm:   0.875rem;
  --fs-base: 1rem;
  --fs-md:   1.125rem;
  --fs-lg:   1.25rem;
  --fs-xl:   1.5rem;
  --fs-2xl:  2rem;
  --fs-3xl:  2.5rem;
  --fs-4xl:  3rem;
  --fs-5xl:  3.75rem;

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

  /* Layout */
  --max-width:  1200px;
  --nav-height: 72px;

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.10);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.10);
  --shadow-lg: 0 8px 28px rgba(0, 0, 0, 0.14);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition:      0.25s ease;
  --transition-slow: 0.4s 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(--fs-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

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

p,
h1,
h2,
h3,
h4,
h5,
h6 {
  overflow-wrap: break-word;
}

ul,
ol {
  list-style: none;
}

a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-accent-hover);
}

/* ============================================================
   3. ACCESSIBILITY
   ============================================================ */

/* Skip navigation link */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--sp-4);
  z-index: 9999;
  padding: var(--sp-3) var(--sp-6);
  background: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: var(--sp-4);
}

/* Visible focus ring for keyboard navigation */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

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

/* ============================================================
   4. LAYOUT UTILITIES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.section-padding {
  padding-block: var(--sp-16);
}

.section-padding--lg {
  padding-block: var(--sp-20);
}

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

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

/* ============================================================
   5. TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary);
}

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

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

@media (min-width: 768px) {
  h1 { font-size: var(--fs-4xl); }
  h2 { font-size: var(--fs-3xl); }
  h3 { font-size: var(--fs-xl); }
}

/* Section heading block */
.section-heading {
  text-align: center;
  margin-bottom: var(--sp-12);
}

.section-heading h2 {
  margin-bottom: var(--sp-4);
}

.section-heading p {
  font-size: var(--fs-md);
  color: var(--color-text-light);
  max-width: 65ch;
  margin-inline: auto;
}

.section-dark .section-heading p {
  color: var(--color-chrome-light);
}

/* Accent underline for section headings */
.section-heading h2::after {
  content: '';
  display: block;
  width: 60px;
  height: 4px;
  background-color: var(--color-accent);
  border-radius: 2px;
  margin: var(--sp-4) auto 0;
}

.section-heading--left {
  text-align: left;
}

.section-heading--left h2::after {
  margin-inline: 0;
}

/* ============================================================
   6. BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-8);
  font-family: var(--font-heading);
  font-size: var(--fs-base);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition), color var(--transition), border-color var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
}

.btn--primary:hover,
.btn--primary:focus-visible {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  color: var(--color-white);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}

.btn--secondary:hover,
.btn--secondary:focus-visible {
  background-color: var(--color-white);
  color: var(--color-primary);
}

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

.btn--outline:hover,
.btn--outline:focus-visible {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
  align-items: center;
}

/* ============================================================
   7. HEADER & NAVIGATION
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-primary);
  box-shadow: var(--shadow-md);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
}

/* Logo */
.site-logo {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 0.75rem;
  line-height: 1;
  text-decoration: none;
  color: var(--color-white);
  flex-shrink: 0;
}

.site-logo:hover,
.site-logo:focus-visible {
  color: var(--color-chrome-light);
}

.logo-img {
  height: 48px;
  width: auto;
  display: block;
}

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

.logo-main {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}

.logo-sub {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--color-chrome);
  text-transform: uppercase;
}

/* Hamburger toggle button */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  width: 28px;
  height: 20px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  color: var(--color-white);
}

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

/* Hamburger → X animation */
.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.nav-toggle[aria-expanded="true"] .hamburger-line:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Main nav */
.main-nav {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--color-primary-dark);
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow);
}

.main-nav.is-open {
  max-height: 600px;
}

.nav-list {
  display: flex;
  flex-direction: column;
  padding: var(--sp-4) 0;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-6);
  color: var(--color-text-inverse);
  text-decoration: none;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  background-color: var(--color-primary-light);
  color: var(--color-chrome-light);
}

.nav-link[aria-current="page"] {
  color: var(--color-accent);
  border-left: 3px solid var(--color-accent);
}

/* Dropdown caret */
.nav-caret {
  font-size: 0.65em;
  transition: transform var(--transition-fast);
  margin-left: var(--sp-2);
}

.has-dropdown.is-open > .nav-link .nav-caret {
  transform: rotate(180deg);
}

/* Dropdown menu */
.dropdown-menu {
  background-color: rgba(255, 255, 255, 0.05);
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-slow);
}

.has-dropdown.is-open .dropdown-menu {
  max-height: 400px;
}

.dropdown-menu a {
  display: block;
  padding: var(--sp-2) var(--sp-6) var(--sp-2) var(--sp-10);
  color: var(--color-chrome-light);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu a:hover,
.dropdown-menu a:focus-visible {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

/* Desktop navigation overrides */
@media (min-width: 1024px) {
  .nav-toggle {
    display: none;
  }

  .main-nav {
    position: static;
    max-height: none;
    overflow: visible;
    background: none;
  }

  .nav-list {
    flex-direction: row;
    align-items: center;
    padding: 0;
    gap: 0;
  }

  .nav-list > li {
    position: relative;
  }

  .nav-link {
    padding: var(--sp-3) var(--sp-4);
    border-radius: var(--radius-sm);
  }

  .nav-link:hover {
    background-color: var(--color-primary-light);
  }

  .nav-link[aria-current="page"] {
    color: var(--color-accent);
    border-left: none;
    border-bottom: 2px solid var(--color-accent);
    border-radius: 0;
  }

  /* Desktop dropdown */
  .dropdown-menu {
    position: absolute;
    top: calc(100% + var(--sp-2));
    left: 0;
    min-width: 260px;
    background-color: var(--color-primary-dark);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition), opacity var(--transition);
    opacity: 0;
    padding: var(--sp-2) 0;
  }

  .has-dropdown:hover .dropdown-menu,
  .has-dropdown:focus-within .dropdown-menu,
  .has-dropdown.is-open .dropdown-menu {
    max-height: 400px;
    opacity: 1;
  }

  .dropdown-menu a {
    padding: var(--sp-3) var(--sp-6);
    font-size: var(--fs-sm);
    color: var(--color-chrome-light);
    border-radius: 0;
  }

  .dropdown-menu a:hover {
    color: var(--color-white);
    background-color: var(--color-primary-light);
  }
}

/* ============================================================
   8. HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 520px;
  /* Fallback color shown before the video loads */
  background-color: var(--color-primary-dark);
  color: var(--color-text-inverse);
  overflow: hidden;
  padding-top: var(--sp-20);
  padding-bottom: var(--sp-12);
}

/* Full-bleed background video */
.hero-video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}

/* Overlay: semi-transparent at top (video shows through) → solid primary at bottom
   so the hero bleeds seamlessly into the trust bar */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15, 26, 38, 0.80) 0%,
    rgba(15, 26, 38, 0.82) 55%,
    rgba(20, 32, 46, 0.94) 80%,
    rgba(28, 43, 58, 1.00) 100%
  );
  z-index: 1;
}

/* Chrome-effect geometric decoration */
.hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(158, 179, 194, 0.15) 0%, transparent 65%);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
}

.hero::after {
  content: '';
  position: absolute;
  top: 30%;
  left: 10%;
  width: 300px;
  height: 300px;
  background: rgba(204, 119, 0, 0.06);
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
}

.hero-content {
  position: relative;
  z-index: 3;
  max-width: 750px;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-chrome);
  margin-bottom: var(--sp-4);
}

.hero h1 {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-6);
  line-height: 1.15;
}

.hero h1 span {
  color: var(--color-accent);
}

.hero p {
  font-size: var(--fs-md);
  color: var(--color-chrome-light);
  max-width: 60ch;
  margin-bottom: var(--sp-8);
  line-height: 1.75;
}

@media (min-width: 768px) {
  .hero {
    min-height: 620px;
  }

  .hero h1 {
    font-size: var(--fs-4xl);
  }
}

@media (min-width: 1024px) {
  .hero h1 {
    font-size: 3.25rem;
  }
}

/* ============================================================
   9. CARDS & GRIDS
   ============================================================ */
.card-grid {
  display: grid;
  gap: var(--sp-8);
  grid-template-columns: 1fr;
}

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

@media (min-width: 768px) {
  .card-grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

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

.card-body {
  padding: var(--sp-8);
}

.card-icon {
  width: 56px;
  height: 56px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  font-size: 1.75rem;
}

.card h3 {
  margin-bottom: var(--sp-3);
  font-size: var(--fs-lg);
}

.card p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}

.card .card-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
}

.card .card-link:hover {
  color: var(--color-accent-hover);
  gap: var(--sp-2);
}

.card .card-link::after {
  content: '→';
}

/* Image placeholder (until real images added) */
.card-img-placeholder {
  height: 200px;
  background: linear-gradient(
    135deg,
    var(--color-primary) 0%,
    var(--color-primary-light) 100%
  );
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-chrome);
}

/* ============================================================
   10. HOME PAGE — SPECIFIC SECTIONS
   ============================================================ */

/* Stats / trust bar */
.trust-bar {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  padding-top: var(--sp-6);
  padding-bottom: var(--sp-20);
}

.trust-bar-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--sp-8);
  text-align: center;
}

@media (min-width: 768px) {
  .trust-bar-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.trust-stat-number {
  font-family: var(--font-heading);
  font-size: var(--fs-3xl);
  font-weight: 700;
  color: var(--color-accent);
  display: block;
}

.trust-stat-label {
  font-size: var(--fs-sm);
  color: var(--color-chrome-light);
  margin-top: var(--sp-1);
}

/* Services preview list (home) */
.services-preview-list {
  display: grid;
  gap: var(--sp-8);
  grid-template-columns: 1fr;
}


.services-preview-item {
  display: flex;
  flex-direction: column;
}

.services-preview-item h3 {
  font-size: var(--fs-base);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--sp-4);
  line-height: 1.3;
}

.services-preview-img {
  height: 160px;
  width: 100%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: var(--color-chrome);
  margin-bottom: var(--sp-4);
  flex-shrink: 0;
  position: relative;
  cursor: zoom-in;
  overflow: hidden;
  border: none;
  padding: 0;
  transition: filter var(--transition-fast);
}

.services-preview-img::after {
  content: '⤢';
  position: absolute;
  top: var(--sp-2);
  right: var(--sp-2);
  width: 28px;
  height: 28px;
  background: rgba(0, 0, 0, 0.55);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  color: #fff;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.services-preview-img:hover {
  filter: brightness(1.1);
}

.services-preview-img:hover::after {
  opacity: 1;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 2000;
  background: rgba(0, 0, 0, 0.85);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition), visibility var(--transition);
}

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

.lightbox-content {
  width: min(640px, 90vw);
  aspect-ratio: 4 / 3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  border-radius: var(--radius-lg);
  position: relative;
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.lightbox-inner {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 8rem;
  color: var(--color-chrome);
}

.lightbox-close {
  position: absolute;
  top: var(--sp-3);
  right: var(--sp-3);
  width: 36px;
  height: 36px;
  background: rgba(0, 0, 0, 0.5);
  border: none;
  border-radius: 50%;
  color: #fff;
  font-size: 1.25rem;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast);
}

.lightbox-close:hover {
  background: rgba(0, 0, 0, 0.8);
}

.services-preview-item p {
  flex: 1;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  line-height: 1.75;
  margin-bottom: var(--sp-4);
}

.services-preview-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  transition: gap var(--transition-fast), color var(--transition-fast);
}

.services-preview-link::after {
  content: '→';
}

.services-preview-link:hover {
  color: var(--color-accent-hover);
  gap: var(--sp-2);
}

/* About preview (home) */
.about-preview {
  display: grid;
  gap: var(--sp-12);
  align-items: center;
}

@media (min-width: 768px) {
  .about-preview {
    grid-template-columns: 1fr 1fr;
  }
}

.about-preview-img {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  margin: 0;
}

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

@media (min-width: 1024px) {
  .about-preview-img img {
    width: 110%;
    max-width: 110%;
  }
}

.about-preview-img figcaption {
  margin-top: 0.5rem;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  font-style: italic;
  text-align: center;
}

.about-preview-text h2 {
  margin-bottom: var(--sp-4);
}

.about-preview-text p {
  color: var(--color-text-light);
  margin-bottom: var(--sp-6);
  font-size: var(--fs-md);
}

/* ============================================================
   11. SERVICES PAGE
   ============================================================ */
.service-section {
  padding-block: var(--sp-16);
}

.service-section:nth-child(odd) {
  background-color: var(--color-bg);
}

.service-section:nth-child(even) {
  background-color: var(--color-bg-alt);
}

.service-layout {
  display: grid;
  gap: var(--sp-12);
  align-items: start;
}

.service-layout--reversed .service-visual {
  order: -1;
}

@media (min-width: 768px) {
  .service-layout {
    grid-template-columns: 1fr 1fr;
  }

  .service-layout--reversed .service-text {
    order: 1;
  }

  .service-layout--reversed .service-visual {
    order: 2;
  }
}

.service-visual {
  height: 320px;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 5rem;
  color: var(--color-chrome);
  box-shadow: var(--shadow-md);
}

.service-visual--chrome {
  background: linear-gradient(135deg, #8fa7ba 0%, #c8d8e4 50%, #9eb3c2 100%);
  color: var(--color-primary);
}

.service-visual--dark {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary-light) 100%);
  color: var(--color-chrome-light);
}

.service-visual--mid {
  background: linear-gradient(135deg, #2a3f54 0%, #4a6070 100%);
  color: var(--color-chrome-light);
}

.service-text h2 {
  font-size: var(--fs-2xl);
  margin-bottom: var(--sp-4);
}

.service-text p {
  color: var(--color-text-light);
  margin-bottom: var(--sp-4);
  line-height: 1.8;
}

.service-list {
  margin: var(--sp-4) 0 var(--sp-6);
}

.service-list li {
  position: relative;
  padding-left: var(--sp-6);
  margin-bottom: var(--sp-2);
  color: var(--color-text-light);
  font-size: var(--fs-sm);
}

.service-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 8px;
  height: 8px;
  background-color: var(--color-accent);
  border-radius: 50%;
}

/* Services nav (anchor links at top of page) */
.services-nav {
  background-color: var(--color-primary);
  padding-block: var(--sp-4);
  position: sticky;
  top: var(--nav-height);
  z-index: 100;
}

.services-nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  justify-content: center;
}

.services-nav-list a {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-chrome-light);
  text-decoration: none;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.services-nav-list a:hover,
.services-nav-list a:focus-visible {
  background-color: var(--color-primary-light);
  color: var(--color-white);
}

/* ============================================================
   12. ABOUT PAGE
   ============================================================ */
.values-grid {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

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

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

.value-card {
  padding: var(--sp-8);
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--color-accent);
  box-shadow: var(--shadow-sm);
}

.value-card h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-3);
}

.value-card p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

/* ============================================================
   13. HISTORY PAGE — TIMELINE
   ============================================================ */
.timeline {
  position: relative;
  max-width: 800px;
  margin-inline: auto;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-chrome));
}

@media (min-width: 768px) {
  .timeline::before {
    left: 50%;
    transform: translateX(-50%);
  }
}

.timeline-item {
  position: relative;
  padding-left: 60px;
  margin-bottom: var(--sp-12);
}

@media (min-width: 768px) {
  .timeline-item {
    padding-left: 0;
    width: 50%;
  }

  .timeline-item:nth-child(odd) {
    padding-right: var(--sp-10);
    text-align: right;
  }

  .timeline-item:nth-child(even) {
    padding-left: var(--sp-10);
    margin-left: 50%;
  }
}

.timeline-dot {
  position: absolute;
  left: 11px;
  top: 4px;
  width: 20px;
  height: 20px;
  background-color: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  box-shadow: 0 0 0 2px var(--color-accent);
}

@media (min-width: 768px) {
  .timeline-item:nth-child(odd) .timeline-dot {
    left: auto;
    right: -10px;
  }

  .timeline-item:nth-child(even) .timeline-dot {
    left: -10px;
  }
}

.timeline-year {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 700;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: var(--sp-2);
}

.timeline-content h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-2);
}

.timeline-content p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  line-height: 1.75;
}

/* ============================================================
   14. HISTORY PAGE — SUB-SECTION HEADING
   ============================================================ */
.history-img {
  max-width: 740px;
  margin: var(--sp-12) auto;
}

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

.history-img figcaption {
  margin-top: 0.5rem;
  font-size: var(--fs-sm);
  color: var(--color-text-light);
  font-style: italic;
  text-align: center;
}

.history-section {
  max-width: 740px;
  margin-inline: auto;
}

.history-section + .history-section {
  margin-top: var(--sp-16);
  padding-top: var(--sp-16);
  border-top: 1px solid var(--color-border);
}

.history-section h2 {
  font-size: var(--fs-2xl);
  color: var(--color-primary);
  margin-bottom: var(--sp-6);
}

.history-section p {
  color: var(--color-text-light);
  line-height: 1.85;
  margin-bottom: var(--sp-5);
}

.Sub-section-heading {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--sp-10);
  margin-bottom: var(--sp-3);
}

/* Timeline entries (925 Industrial Street section) */
.timeline-entries {
  position: relative;
  margin-top: var(--sp-8);
  padding-left: 2rem;
}

/* Vertical connecting line */
.timeline-entries::before {
  content: '';
  position: absolute;
  left: 5px;
  top: 0.45em;
  bottom: 0.45em;
  width: 2px;
  background: var(--color-border);
}

.timeline-entry {
  position: relative;
  padding-bottom: var(--sp-10);
}

.timeline-entry:last-child {
  padding-bottom: 0;
}

/* Dot on the line */
.timeline-entry::before {
  content: '';
  position: absolute;
  left: calc(-2rem + 1px);
  top: 0.2em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--color-accent);
  border: 2px solid var(--color-bg);
  box-sizing: border-box;
  z-index: 1;
}

/* Remove top margin from heading when inside a timeline entry */
.timeline-entry .Sub-section-heading {
  margin-top: 0;
}

/* ============================================================
   15. CONTACT PAGE
   ============================================================ */
.contact-grid {
  display: grid;
  gap: var(--sp-12);
}

@media (min-width: 1024px) {
  .contact-grid {
    grid-template-columns: 1fr 2fr;
  }
}

.contact-info-card {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  padding: var(--sp-8);
  border-radius: var(--radius-lg);
  height: fit-content;
}

.contact-info-card h2 {
  color: var(--color-white);
  margin-bottom: var(--sp-6);
  font-size: var(--fs-xl);
}

.contact-info-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.contact-info-icon {
  font-size: 1.25rem;
  flex-shrink: 0;
  width: 36px;
  height: 36px;
  background: rgba(255,255,255,0.1);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-info-text {
  flex: 1;
}

.contact-info-label {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-chrome);
  display: block;
  margin-bottom: var(--sp-1);
}

.contact-info-value {
  color: var(--color-white);
  text-decoration: none;
  font-size: var(--fs-md);
}

.contact-info-value:hover {
  color: var(--color-chrome-light);
}

/* Contact action cards (Quote / Careers) */
.contact-action-cards {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.contact-action-card {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-6);
  padding: var(--sp-8);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.contact-action-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-accent);
  color: inherit;
}

.contact-action-icon {
  font-size: 2rem;
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-action-text h3 {
  font-size: var(--fs-lg);
  margin-bottom: var(--sp-2);
}

.contact-action-text p {
  color: var(--color-text-light);
  font-size: var(--fs-sm);
  line-height: 1.75;
  margin-bottom: var(--sp-3);
}

.contact-action-link {
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-accent);
}

/* Forms */
.form-group {
  margin-bottom: var(--sp-6);
}

.form-row {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: 1fr;
}

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

.form-group label {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--sp-2);
}

.form-group label .required {
  color: var(--color-error);
  margin-left: var(--sp-1);
  aria-hidden: true;
}

.form-control {
  display: block;
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  appearance: none;
  -webkit-appearance: none;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(204, 119, 0, 0.2);
}

.form-control::placeholder {
  color: var(--color-text-light);
  opacity: 0.7;
}

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

select.form-control {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%235a6672' stroke-width='2' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-4) center;
  padding-right: var(--sp-10);
}

.form-note {
  font-size: var(--fs-xs);
  color: var(--color-text-light);
  margin-top: var(--sp-2);
}

/* Careers section */
.careers-intro {
  max-width: 65ch;
  margin-bottom: var(--sp-8);
}

.careers-intro p {
  color: var(--color-text-light);
  font-size: var(--fs-md);
  line-height: 1.75;
}

.no-openings {
  background: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--sp-12);
  text-align: left;
}

.no-openings h3 {
  margin-bottom: var(--sp-3);
  text-align: center;
}

.no-openings p {
  color: var(--color-text-light);
  max-width: 50ch;
  margin-inline: auto;
}

/* ============================================================
   15. PAGE HERO (inner pages)
   ============================================================ */
.page-hero {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--sp-16);
  text-align: center;
}

.page-hero h1 {
  color: var(--color-white);
  font-size: var(--fs-3xl);
  margin-bottom: var(--sp-4);
}

.page-hero p {
  font-size: var(--fs-md);
  color: var(--color-chrome-light);
  max-width: 60ch;
  margin-inline: auto;
}

/* Breadcrumb */
.breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--color-chrome);
  margin-bottom: var(--sp-4);
  justify-content: center;
  flex-wrap: wrap;
}

.breadcrumb a {
  color: var(--color-chrome-light);
  text-decoration: none;
}

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

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

/* ============================================================
   16. CTA BAND
   ============================================================ */
.cta-band {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
  color: var(--color-text-inverse);
  padding-block: var(--sp-16);
  text-align: center;
}

.cta-band h2 {
  color: var(--color-white);
  font-size: var(--fs-2xl);
  margin-bottom: var(--sp-4);
}

.cta-band p {
  color: var(--color-chrome-light);
  font-size: var(--fs-md);
  max-width: 55ch;
  margin-inline: auto;
  margin-bottom: var(--sp-8);
}

/* ============================================================
   17. FOOTER
   ============================================================ */
.site-footer {
  background-color: var(--color-primary-dark);
  color: var(--color-chrome-light);
  padding-top: var(--sp-16);
  padding-bottom: var(--sp-8);
}

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

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

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 2fr 1fr 1.5fr 1.5fr;
  }
}

.footer-brand .footer-logo-text {
  font-family: var(--font-heading);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--color-white);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--sp-2);
}

.footer-brand .footer-logo-sub {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  color: var(--color-chrome);
  text-transform: uppercase;
  display: block;
  margin-bottom: var(--sp-4);
}

.footer-brand p {
  font-size: var(--fs-sm);
  line-height: 1.75;
  max-width: 32ch;
}

.footer-col h3 {
  font-family: var(--font-heading);
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-white);
  margin-bottom: var(--sp-6);
}

.footer-col ul li {
  margin-bottom: var(--sp-3);
}

.footer-col a {
  color: var(--color-chrome-light);
  text-decoration: none;
  font-size: var(--fs-sm);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-accent);
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--sp-8);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  align-items: center;
  text-align: center;
}

@media (min-width: 768px) {
  .footer-bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-bottom p {
  font-size: var(--fs-sm);
  color: var(--color-chrome);
}

/* ============================================================
   18. FORM STATUS MESSAGES & HONEYPOT
   ============================================================ */

/* Honeypot field — visually hidden from real users */
.hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
  tabindex: -1;
}

/* Status message shown above the form after redirect */
.form-status-message {
  padding: var(--sp-4) var(--sp-6);
  border-radius: var(--radius-md);
  margin-bottom: var(--sp-6);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  font-weight: 600;
  line-height: 1.5;
  border-left: 4px solid transparent;
  outline: none;
}

.form-status-message--success {
  background-color: #e8f5e9;
  color: var(--color-success);
  border-left-color: var(--color-success);
}

.form-status-message--error {
  background-color: #ffebee;
  color: var(--color-error);
  border-left-color: var(--color-error);
}

/* Invalid field highlight (set by JS on submit) */
.form-control.is-invalid {
  border-color: var(--color-error);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.15);
}

/* ============================================================
   20. PRINT STYLES
   ============================================================ */
@media print {
  .site-header,
  .nav-toggle,
  .services-nav,
  .cta-band,
  .site-footer {
    display: none;
  }

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

  .page-hero {
    background: none;
    color: var(--color-text);
    padding: 0;
  }

  .page-hero h1 {
    color: var(--color-text);
  }
}