/* ============================================================
   Beaumont Infrastructure - Main Stylesheet
   Production-ready CSS for a premium construction company website
   ============================================================ */

/* ------------------------------------------------------------
   1. CSS VARIABLES & RESET
   ------------------------------------------------------------ */

:root {
  /* Primary Palette */
  --navy: #1a2744;
  --navy-light: #243352;
  --navy-dark: #111c32;
  --orange: #e8792f;
  --orange-hover: #d06a25;
  --orange-light: #f0944f;

  /* Neutrals */
  --grey-dark: #333333;
  --grey: #666666;
  --grey-light: #999999;
  --grey-border: #dddddd;
  --grey-bg: #f5f5f5;
  --white: #ffffff;
  --black: #000000;

  /* Typography */
  --font-primary: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-heading: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.7;
  --line-height-heading: 1.25;

  /* Spacing Scale */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --container-max: 1200px;
  --container-wide: 1400px;
  --container-narrow: 800px;
  --header-height: 80px;
  --header-height-scrolled: 70px;

  /* Borders & Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Z-index Scale */
  --z-dropdown: 100;
  --z-sticky: 200;
  --z-header: 300;
  --z-overlay: 400;
  --z-modal: 500;
  --z-toast: 600;
}

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

/* Document Reset */
html {
  font-size: var(--font-size-base);
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  font-family: var(--font-primary);
  font-size: 1rem;
  line-height: var(--line-height-base);
  color: var(--grey);
  background-color: var(--white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

ul,
ol {
  list-style: none;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

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

fieldset {
  border: none;
}

/* Remove default focus styles, add custom */
:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}


/* ------------------------------------------------------------
   2. TYPOGRAPHY
   ------------------------------------------------------------ */

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-heading);
  color: var(--navy);
  margin-bottom: 0.5em;
}

h1 {
  font-size: 3rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 2.25rem;
  letter-spacing: -0.01em;
}

h3 {
  font-size: 1.5rem;
}

h4 {
  font-size: 1.25rem;
}

h5 {
  font-size: 1.125rem;
}

h6 {
  font-size: 1rem;
}

p {
  margin-bottom: 1rem;
  color: var(--grey);
}

p:last-child {
  margin-bottom: 0;
}

strong,
b {
  font-weight: 700;
}

em,
i {
  font-style: italic;
}

small {
  font-size: 0.875rem;
}

/* Links */
a:hover {
  color: var(--orange);
}

.text-link {
  color: var(--orange);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.text-link:hover {
  color: var(--orange-hover);
}

/* Lead Text */
.lead {
  font-size: 1.25rem;
  line-height: 1.8;
  color: var(--grey);
}

/* Section Titles */
.section-label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: var(--space-md);
}

.section-title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-lg);
}

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

.section-subtitle {
  font-size: 1.125rem;
  color: var(--grey);
  max-width: 640px;
  line-height: 1.7;
}

.section-subtitle--centered {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}


/* ------------------------------------------------------------
   3. LAYOUT
   ------------------------------------------------------------ */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-xl);
  padding-right: var(--space-xl);
}

.container--wide {
  max-width: var(--container-wide);
}

.container--narrow {
  max-width: var(--container-narrow);
}

/* Sections */
.section {
  padding-top: var(--space-5xl);
  padding-bottom: var(--space-5xl);
}

.section--sm {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

.section--lg {
  padding-top: 10rem;
  padding-bottom: 10rem;
}

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

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

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

/* Grid */
.grid {
  display: grid;
  gap: var(--space-xl);
}

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

.grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

/* Flex */
.flex {
  display: flex;
}

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

.flex--between {
  align-items: center;
  justify-content: space-between;
}

.flex--column {
  flex-direction: column;
}

.flex--wrap {
  flex-wrap: wrap;
}

.flex--gap-sm {
  gap: var(--space-sm);
}

.flex--gap-md {
  gap: var(--space-md);
}

.flex--gap-lg {
  gap: var(--space-lg);
}

.flex--gap-xl {
  gap: var(--space-xl);
}

/* Split Layout (50/50) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
}

.split--reverse {
  direction: rtl;
}

.split--reverse > * {
  direction: ltr;
}

/* Aspect Ratio Boxes */
.aspect-16-9 {
  aspect-ratio: 16 / 9;
}

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

.aspect-1-1 {
  aspect-ratio: 1 / 1;
}


/* ------------------------------------------------------------
   4. HEADER & NAVIGATION
   ------------------------------------------------------------ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-header);
  background-color: transparent;
  transition: background-color var(--transition-base),
              box-shadow var(--transition-base),
              height var(--transition-base);
  height: var(--header-height);
}

.header--scrolled {
  background-color: var(--white);
  box-shadow: var(--shadow-md);
  height: var(--header-height-scrolled);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--container-wide);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

/* Logo */
.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  z-index: var(--z-header);
}

.header__logo img {
  height: 45px;
  width: auto;
  transition: height var(--transition-base), opacity var(--transition-base);
}

.header__logo-white {
  display: block;
}

.header__logo-navy {
  display: none;
}

.header--scrolled .header__logo-white {
  display: none;
}

.header--scrolled .header__logo-navy {
  display: block;
}

.header--scrolled .header__logo img {
  height: 38px;
}

.header__logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.01em;
  transition: color var(--transition-base);
}

.header--scrolled .header__logo-text {
  color: var(--navy);
}

/* Navigation */
.nav {
  display: flex;
  align-items: center;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 0;
}

.nav__item {
  position: relative;
}

.nav__link {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.5rem 1.1rem;
  font-size: 0.9375rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  transition: color var(--transition-fast);
  white-space: nowrap;
}

.header--scrolled .nav__link {
  color: var(--grey-dark);
}

.nav__link:hover,
.nav__link--active {
  color: var(--orange);
}

.header--scrolled .nav__link:hover,
.header--scrolled .nav__link--active {
  color: var(--orange);
}

/* Dropdown Arrow Icon */
.nav__link .nav__arrow {
  display: inline-block;
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 4px solid currentColor;
  transition: transform var(--transition-fast);
  margin-top: 2px;
}

.nav__item:hover .nav__arrow {
  transform: rotate(180deg);
}

/* Dropdown Menu */
.nav__dropdown {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 240px;
  background-color: var(--white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: var(--space-sm) 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--transition-fast),
              visibility var(--transition-fast),
              transform var(--transition-fast);
  z-index: var(--z-dropdown);
}

.nav__item:hover .nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav__dropdown-link {
  display: block;
  padding: 0.65rem 1.5rem;
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--grey-dark);
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.nav__dropdown-link:hover {
  background-color: var(--grey-bg);
  color: var(--orange);
}

/* Header CTA Button */
.header__cta {
  margin-left: var(--space-lg);
}

/* Hamburger Menu (Mobile) */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  cursor: pointer;
  z-index: var(--z-header);
}

.hamburger__line {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--white);
  transition: transform var(--transition-base),
              opacity var(--transition-base),
              background-color var(--transition-base);
  margin: 3px 0;
}

.header--scrolled .hamburger__line {
  background-color: var(--navy);
}

/* Hamburger Active State */
.hamburger--active .hamburger__line:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.hamburger--active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger--active .hamburger__line:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* Mobile Navigation Overlay */
.nav-mobile {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--navy);
  z-index: var(--z-overlay);
  padding: calc(var(--header-height) + 2rem) var(--space-xl) var(--space-xl);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base),
              visibility var(--transition-base);
}

.nav-mobile--open {
  opacity: 1;
  visibility: visible;
}

.nav-mobile__list {
  display: flex;
  flex-direction: column;
}

.nav-mobile__item {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-mobile__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--white);
  transition: color var(--transition-fast);
}

.nav-mobile__link:hover {
  color: var(--orange);
}

/* Mobile Submenu */
.nav-mobile__submenu {
  display: none;
  padding-left: var(--space-lg);
  padding-bottom: var(--space-sm);
}

.nav-mobile__submenu--open {
  display: block;
}

.nav-mobile__submenu-link {
  display: block;
  padding: 0.6rem 0;
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.7);
  transition: color var(--transition-fast);
}

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

.nav-mobile__toggle {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
}

/* Body scroll lock when mobile nav is open */
body.nav-open {
  overflow: hidden;
}


/* ------------------------------------------------------------
   5. HERO SECTIONS
   ------------------------------------------------------------ */

.hero {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 600px;
  padding: calc(var(--header-height) + var(--space-4xl)) 0 var(--space-4xl);
  background-color: var(--navy);
  overflow: hidden;
}

.hero--full {
  min-height: 100vh;
}

.hero--large {
  min-height: 700px;
}

.hero--page {
  min-height: 400px;
}

.hero--service {
  min-height: 400px;
}

.hero__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.hero__bg img,
.hero__bg video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 39, 68, 0.92) 0%,
    rgba(26, 39, 68, 0.75) 100%
  );
  z-index: 2;
}

.hero__content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}

.hero__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--orange);
  margin-bottom: var(--space-lg);
}

.hero__title {
  font-size: 3.5rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.15;
  margin-bottom: var(--space-lg);
}

.hero__subtitle {
  font-size: 1.1875rem;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.7;
  margin-bottom: var(--space-2xl);
  max-width: 560px;
}

.hero__actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  flex-wrap: wrap;
}

/* Hero Stats Bar */
.hero__stats {
  display: flex;
  gap: var(--space-3xl);
  margin-top: var(--space-3xl);
  padding-top: var(--space-2xl);
  border-top: 1px solid rgba(255, 255, 255, 0.15);
}

.hero__stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Scroll Indicator */
.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-sm);
  color: rgba(255, 255, 255, 0.5);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,0.5), transparent);
  animation: scrollBounce 2s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50% { transform: translateY(10px); opacity: 0.3; }
}


/* ------------------------------------------------------------
   6. SERVICE CARDS
   ------------------------------------------------------------ */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.service-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  group: true;
}

.service-card__image {
  position: relative;
  width: 100%;
  height: 320px;
  overflow: hidden;
}

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

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

.service-card__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to top,
    rgba(26, 39, 68, 0.9) 0%,
    rgba(26, 39, 68, 0.3) 50%,
    transparent 100%
  );
  transition: background var(--transition-base);
}

.service-card:hover .service-card__overlay {
  background: linear-gradient(
    to top,
    rgba(232, 121, 47, 0.9) 0%,
    rgba(232, 121, 47, 0.4) 50%,
    rgba(232, 121, 47, 0.1) 100%
  );
}

.service-card__content {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-xl);
  z-index: 2;
}

.service-card__title {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.service-card__desc {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.5;
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  transition: max-height var(--transition-base),
              opacity var(--transition-base);
}

.service-card:hover .service-card__desc {
  max-height: 80px;
  opacity: 1;
}

.service-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--white);
  opacity: 0;
  transform: translateX(-10px);
  transition: opacity var(--transition-base),
              transform var(--transition-base);
}

.service-card:hover .service-card__arrow {
  opacity: 1;
  transform: translateX(0);
}

/* Alt: Service Card with no image overlay (icon/text style) */
.service-card--flat {
  background-color: var(--white);
  border: 1px solid var(--grey-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base),
              border-color var(--transition-base);
}

.service-card--flat:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
  border-color: var(--orange);
}

.service-card--flat__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(232, 121, 47, 0.1);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-lg);
  color: var(--orange);
  font-size: 1.5rem;
}

.service-card--flat__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.service-card--flat__desc {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.6;
}

/* Service Detail (two-column layout for electrical pages) */
.service-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-2xl);
  align-items: center;
}
.service-detail__content {
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.service-detail__title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-md);
}
.service-detail__text {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--grey);
  margin-bottom: var(--space-md);
}
.service-detail__image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.service-detail__image img {
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  object-fit: cover;
}

@media (max-width: 768px) {
  .service-detail {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }
}


/* ------------------------------------------------------------
   7. COMPANY / ABOUT SECTION
   ------------------------------------------------------------ */

.company-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.company-section--reverse {
  direction: rtl;
}

.company-section--reverse > * {
  direction: ltr;
}

.company-image {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
}

.company-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius-md);
}

/* Decorative accent bar on the image */
.company-image::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--orange);
}

.company-content {
  max-width: 540px;
}

.company-content__title {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-lg);
}

.company-content__text {
  font-size: 1rem;
  color: var(--grey);
  margin-bottom: var(--space-lg);
  line-height: 1.75;
}

/* Key values / highlights list */
.company-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-md) var(--space-xl);
  margin-top: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.company-highlight {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

.company-highlight__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--orange);
  margin-top: 2px;
}

.company-highlight__text {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--navy);
}

/* Stats Row */
.stats-row {
  display: flex;
  gap: var(--space-3xl);
  padding: var(--space-3xl) 0;
}

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

.stat-item__number {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.stat-item__number--orange {
  color: var(--orange);
}

.stat-item__label {
  font-size: 0.875rem;
  color: var(--grey);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Navy background stat row variant */
.stats-row--navy {
  background-color: var(--navy);
  padding: var(--space-3xl) var(--space-xl);
  border-radius: var(--radius-md);
  justify-content: space-around;
}

.stats-row--navy .stat-item__number {
  color: var(--orange);
}

.stats-row--navy .stat-item__label {
  color: rgba(255, 255, 255, 0.7);
}


/* ------------------------------------------------------------
   8. WORKS / PROJECTS GRID
   ------------------------------------------------------------ */

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.works-grid--2 {
  grid-template-columns: repeat(2, 1fr);
}

.work-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

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

.work-card__image {
  position: relative;
  width: 100%;
  height: 240px;
  overflow: hidden;
}

.work-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* Hover overlay on project image */
.work-card__image-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 39, 68, 0.6);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.work-card:hover .work-card__image-overlay {
  opacity: 1;
}

.work-card__image-overlay-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: var(--orange);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--white);
  font-size: 1.25rem;
  transform: scale(0.8);
  transition: transform var(--transition-base);
}

.work-card:hover .work-card__image-overlay-icon {
  transform: scale(1);
}

/* Category Badge */
.work-card__category {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  background-color: var(--orange);
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-full);
  z-index: 2;
}

.work-card__body {
  padding: var(--space-lg) var(--space-xl);
}

.work-card__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.work-card:hover .work-card__title {
  color: var(--orange);
}

.work-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--grey-light);
}

.work-card__meta-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.work-card__desc {
  font-size: 0.9375rem;
  color: var(--grey);
  margin-top: var(--space-sm);
  line-height: 1.6;
}

/* Project Filter Tabs */
.project-filters {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.project-filter {
  padding: 0.5rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--grey);
  background-color: transparent;
  border: 2px solid var(--grey-border);
  border-radius: var(--radius-full);
  transition: all var(--transition-fast);
  cursor: pointer;
}

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

.project-filter--active {
  background-color: var(--orange);
  border-color: var(--orange);
  color: var(--white);
}


/* ------------------------------------------------------------
   9. NEWS / UPDATES SECTION
   ------------------------------------------------------------ */

.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.news-card {
  background-color: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

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

.news-card__image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.news-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

.news-card__body {
  padding: var(--space-lg) var(--space-xl);
}

.news-card__date {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--orange);
  margin-bottom: var(--space-sm);
}

.news-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
  line-height: 1.4;
  transition: color var(--transition-fast);
}

.news-card:hover .news-card__title {
  color: var(--orange);
}

.news-card__excerpt {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.6;
  margin-bottom: var(--space-md);
}

.news-card__link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--orange);
  transition: gap var(--transition-fast);
}

.news-card__link:hover {
  gap: 0.7rem;
  color: var(--orange-hover);
}

/* Timeline-Style News/Updates */
.timeline {
  position: relative;
  padding-left: 2rem;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background-color: var(--grey-border);
}

.timeline__item {
  position: relative;
  padding-bottom: var(--space-2xl);
  padding-left: var(--space-xl);
}

.timeline__item:last-child {
  padding-bottom: 0;
}

.timeline__dot {
  position: absolute;
  left: calc(-2rem - 5px);
  top: 4px;
  width: 12px;
  height: 12px;
  background-color: var(--orange);
  border-radius: 50%;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 2px var(--orange);
}

.timeline__date {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--orange);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-xs);
}

.timeline__text {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.6;
}


/* ------------------------------------------------------------
   10. PARTNERS / CLIENTS LOGO GRID
   ------------------------------------------------------------ */

.partners-section {
  background-color: var(--navy);
  padding: var(--space-3xl) 0;
}

.partners-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  flex-wrap: wrap;
}

.partners-grid--8 {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: var(--space-xl);
  align-items: center;
}

.partner-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-md);
  opacity: 0.6;
  transition: opacity var(--transition-base);
  filter: brightness(0) invert(1);
}

.partner-logo:hover {
  opacity: 1;
}

.partner-logo img {
  max-height: 48px;
  max-width: 120px;
  width: auto;
  object-fit: contain;
}

/* White background partner variant */
.partners-grid--white .partner-logo {
  filter: none;
  opacity: 0.5;
}

.partners-grid--white .partner-logo:hover {
  opacity: 1;
}


/* ------------------------------------------------------------
   11. FOOTER
   ------------------------------------------------------------ */

.footer {
  background-color: var(--navy);
  color: rgba(255, 255, 255, 0.7);
  padding-top: var(--space-4xl);
}

.footer__main {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-3xl);
  padding-bottom: var(--space-3xl);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  margin-bottom: var(--space-lg);
}

.footer__logo img {
  height: 40px;
  width: auto;
}

.footer__logo-text {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--white);
}

.footer__desc {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-lg);
}

/* Footer Social Links */
.footer__social {
  display: flex;
  gap: var(--space-sm);
}

.footer__social-link {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--white);
  font-size: 1rem;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
}

.footer__social-link:hover {
  background-color: var(--orange);
  color: var(--white);
}

/* Footer Columns */
.footer__column-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-lg);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.footer__link {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast),
              padding-left var(--transition-fast);
}

.footer__link:hover {
  color: var(--orange);
  padding-left: 4px;
}

/* Footer Contact Info */
.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.6);
}

.footer__contact-icon {
  flex-shrink: 0;
  width: 20px;
  color: var(--orange);
  margin-top: 2px;
}

/* Footer Bottom Bar */
.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.4);
}

.footer__bottom-links {
  display: flex;
  gap: var(--space-lg);
}

.footer__bottom-links a {
  color: rgba(255, 255, 255, 0.4);
  transition: color var(--transition-fast);
}

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


/* ------------------------------------------------------------
   12. CONTACT PAGE
   ------------------------------------------------------------ */

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}

.contact-info__item {
  display: flex;
  gap: var(--space-lg);
  align-items: flex-start;
}

.contact-info__icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(232, 121, 47, 0.1);
  border-radius: var(--radius-md);
  color: var(--orange);
  font-size: 1.25rem;
}

.contact-info__label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--grey-light);
  margin-bottom: var(--space-xs);
}

.contact-info__value {
  font-size: 1rem;
  color: var(--navy);
  font-weight: 500;
}

.contact-info__value a {
  color: var(--navy);
  transition: color var(--transition-fast);
}

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

/* Contact Form */
.contact-form {
  background-color: var(--white);
  padding: var(--space-2xl);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
}

.contact-form--bordered {
  border: 1px solid var(--grey-border);
  box-shadow: none;
}

.form-group {
  margin-bottom: var(--space-lg);
}

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

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.form-label--required::after {
  content: ' *';
  color: var(--orange);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.8rem 1rem;
  font-size: 0.9375rem;
  color: var(--grey-dark);
  background-color: var(--grey-bg);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--orange);
  background-color: var(--white);
  outline: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--grey-light);
}

.form-textarea {
  resize: vertical;
  min-height: 140px;
}

.form-select {
  appearance: none;
  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 fill='%23666' d='M1.41 0L6 4.58 10.59 0 12 1.41l-6 6-6-6z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.875rem;
  color: var(--grey);
  cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 2px;
  accent-color: var(--orange);
}

.form-error {
  font-size: 0.8125rem;
  color: #dc3545;
  margin-top: var(--space-xs);
}

.form-success {
  background-color: #d4edda;
  border: 1px solid #c3e6cb;
  color: #155724;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-md);
  font-size: 0.9375rem;
  margin-bottom: var(--space-lg);
}

/* Map Embed */
.contact-map {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-top: var(--space-3xl);
}

.contact-map iframe {
  width: 100%;
  height: 100%;
  border: 0;
}


/* ------------------------------------------------------------
   13. PEOPLE / TEAM GRID
   ------------------------------------------------------------ */

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.team-grid--3 {
  grid-template-columns: repeat(3, 1fr);
}

.team-card {
  text-align: center;
  transition: transform var(--transition-base);
}

.team-card:hover {
  transform: translateY(-4px);
}

.team-card__photo {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: var(--space-lg);
}

.team-card__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

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

/* LinkedIn / Social overlay on photo hover */
.team-card__social {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: linear-gradient(to top, rgba(26, 39, 68, 0.8), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.team-card:hover .team-card__social {
  opacity: 1;
}

.team-card__social-link {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.2);
  color: var(--white);
  font-size: 0.875rem;
  transition: background-color var(--transition-fast);
}

.team-card__social-link:hover {
  background-color: var(--orange);
  color: var(--white);
}

.team-card__name {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.2rem;
}

.team-card__role {
  font-size: 0.875rem;
  color: var(--grey);
}

/* Team card variant: horizontal layout */
.team-card--horizontal {
  display: flex;
  text-align: left;
  gap: var(--space-xl);
  align-items: center;
}

.team-card--horizontal .team-card__photo {
  width: 120px;
  height: 120px;
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  flex-shrink: 0;
  margin-bottom: 0;
}


/* ------------------------------------------------------------
   14. ESG PAGE SECTIONS
   ------------------------------------------------------------ */

.esg-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.esg-pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.esg-pillar {
  text-align: center;
  padding: var(--space-2xl);
  background-color: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--grey-border);
  transition: box-shadow var(--transition-base),
              transform var(--transition-base);
}

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

.esg-pillar__icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  font-size: 2rem;
}

.esg-pillar--environment .esg-pillar__icon {
  background-color: rgba(40, 167, 69, 0.1);
  color: #28a745;
}

.esg-pillar--social .esg-pillar__icon {
  background-color: rgba(0, 123, 255, 0.1);
  color: #007bff;
}

.esg-pillar--governance .esg-pillar__icon {
  background-color: rgba(232, 121, 47, 0.1);
  color: var(--orange);
}

.esg-pillar__title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.esg-pillar__desc {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.6;
}

/* ESG Metrics */
.esg-metrics {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-xl);
}

.esg-metric {
  text-align: center;
  padding: var(--space-xl);
  background-color: var(--navy);
  border-radius: var(--radius-md);
}

.esg-metric__number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
  margin-bottom: var(--space-sm);
}

.esg-metric__label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.7);
}

/* ESG Commitments List */
.esg-commitments {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}

.esg-commitment {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
  padding: var(--space-lg);
  background-color: var(--grey-bg);
  border-radius: var(--radius-md);
}

.esg-commitment__icon {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  color: var(--orange);
  margin-top: 2px;
}

.esg-commitment__text {
  font-size: 0.9375rem;
  color: var(--grey-dark);
  line-height: 1.6;
}

/* ESG Report / Case Study */
.esg-case-study {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3xl);
  align-items: center;
  padding: var(--space-2xl);
  background-color: var(--grey-bg);
  border-radius: var(--radius-md);
}

.esg-case-study__image {
  border-radius: var(--radius-md);
  overflow: hidden;
}

.esg-case-study__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}


/* ------------------------------------------------------------
   15. CAREERS PAGE
   ------------------------------------------------------------ */

/* Job Listings */
.careers-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.job-listings {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.job-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) var(--space-xl);
  background-color: var(--white);
  border: 1px solid var(--grey-border);
  border-radius: var(--radius-md);
  transition: box-shadow var(--transition-base),
              border-color var(--transition-base);
}

.job-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--orange);
}

.job-card__info {
  flex: 1;
}

.job-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-xs);
}

.job-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.875rem;
  color: var(--grey-light);
}

.job-card__tag {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  background-color: rgba(232, 121, 47, 0.1);
  color: var(--orange);
}

.job-card__arrow {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background-color: var(--grey-bg);
  color: var(--navy);
  font-size: 1rem;
  transition: background-color var(--transition-fast),
              color var(--transition-fast);
  flex-shrink: 0;
  margin-left: var(--space-lg);
}

.job-card:hover .job-card__arrow {
  background-color: var(--orange);
  color: var(--white);
}

/* Job Detail Page */
.job-detail {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: var(--space-3xl);
}

.job-detail__content h3 {
  margin-top: var(--space-xl);
  margin-bottom: var(--space-md);
}

.job-detail__content ul {
  list-style: disc;
  padding-left: var(--space-xl);
  margin-bottom: var(--space-lg);
}

.job-detail__content li {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.7;
  margin-bottom: var(--space-sm);
}

.job-detail__sidebar {
  position: sticky;
  top: calc(var(--header-height) + var(--space-xl));
}

.job-detail__sidebar-card {
  background-color: var(--grey-bg);
  border-radius: var(--radius-md);
  padding: var(--space-xl);
}

.job-detail__sidebar-item {
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--grey-border);
}

.job-detail__sidebar-item:last-child {
  border-bottom: none;
}

.job-detail__sidebar-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--grey-light);
  margin-bottom: var(--space-xs);
}

.job-detail__sidebar-value {
  font-size: 1rem;
  color: var(--navy);
  font-weight: 500;
}

/* Application Form */
.application-form {
  background-color: var(--grey-bg);
  padding: var(--space-3xl);
  border-radius: var(--radius-md);
  margin-top: var(--space-3xl);
}

.application-form__title {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-xl);
}

/* File Upload */
.file-upload {
  position: relative;
  border: 2px dashed var(--grey-border);
  border-radius: var(--radius-md);
  padding: var(--space-2xl);
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition-fast),
              background-color var(--transition-fast);
}

.file-upload:hover {
  border-color: var(--orange);
  background-color: rgba(232, 121, 47, 0.03);
}

.file-upload input[type="file"] {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload__icon {
  font-size: 2rem;
  color: var(--grey-light);
  margin-bottom: var(--space-sm);
}

.file-upload__text {
  font-size: 0.9375rem;
  color: var(--grey);
}

.file-upload__hint {
  font-size: 0.8125rem;
  color: var(--grey-light);
  margin-top: var(--space-xs);
}

/* Benefits Grid */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.benefit-card {
  text-align: center;
  padding: var(--space-2xl);
  background-color: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--grey-border);
}

.benefit-card__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-lg);
  border-radius: 50%;
  background-color: rgba(232, 121, 47, 0.1);
  color: var(--orange);
  font-size: 1.5rem;
}

.benefit-card__title {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: var(--space-sm);
}

.benefit-card__desc {
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.6;
}


/* ------------------------------------------------------------
   16. BUTTONS
   ------------------------------------------------------------ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 2rem;
  font-size: 0.9375rem;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn--sm {
  padding: 0.55rem 1.4rem;
  font-size: 0.8125rem;
}

.btn--lg {
  padding: 1rem 2.5rem;
  font-size: 1rem;
}

/* Primary (Orange) */
.btn-primary {
  background-color: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}

.btn-primary:hover {
  background-color: var(--orange-hover);
  border-color: var(--orange-hover);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(232, 121, 47, 0.35);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: none;
}

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

.btn-outline:hover {
  background-color: var(--white);
  color: var(--navy);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* Outline Dark (Navy border, for light bg) */
.btn-outline-dark {
  background-color: transparent;
  color: var(--navy);
  border-color: var(--navy);
}

.btn-outline-dark:hover {
  background-color: var(--navy);
  color: var(--white);
  border-color: var(--navy);
  transform: translateY(-2px);
}

/* Dark (Navy) */
.btn-dark {
  background-color: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.btn-dark:hover {
  background-color: var(--navy-light);
  border-color: var(--navy-light);
  color: var(--white);
  transform: translateY(-2px);
  box-shadow: 0 4px 15px rgba(26, 39, 68, 0.35);
}

/* White Button */
.btn-white {
  background-color: var(--white);
  color: var(--navy);
  border-color: var(--white);
}

.btn-white:hover {
  background-color: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* Ghost / Text Button */
.btn-ghost {
  background-color: transparent;
  color: var(--orange);
  border-color: transparent;
  padding-left: 0;
  padding-right: 0;
}

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

/* Button with icon arrow */
.btn__icon {
  display: inline-flex;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

/* Disabled Button */
.btn:disabled,
.btn--disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Full-Width Button */
.btn--block {
  display: flex;
  width: 100%;
}


/* ------------------------------------------------------------
   17. ANIMATIONS & HOVER EFFECTS
   ------------------------------------------------------------ */

/* Fade-in on Scroll */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in--visible {
  opacity: 1;
  transform: translateY(0);
}

/* Fade variations */
.fade-in-left {
  opacity: 0;
  transform: translateX(-30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-left--visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in-right--visible {
  opacity: 1;
  transform: translateX(0);
}

/* Scale in */
.scale-in {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.scale-in--visible {
  opacity: 1;
  transform: scale(1);
}

/* Staggered delay utility */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }
.delay-6 { transition-delay: 0.6s; }

/* Counter / Number Animation */
@keyframes countUp {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Image hover zoom (used on cards etc.) */
.img-zoom {
  overflow: hidden;
}

.img-zoom img {
  transition: transform var(--transition-slow);
}

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

/* Underline hover effect for links */
.hover-underline {
  position: relative;
}

.hover-underline::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background-color: var(--orange);
  transition: width var(--transition-base);
}

.hover-underline:hover::after {
  width: 100%;
}

/* Pulse animation for CTA elements */
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(232, 121, 47, 0.4); }
  70% { box-shadow: 0 0 0 15px rgba(232, 121, 47, 0); }
  100% { box-shadow: 0 0 0 0 rgba(232, 121, 47, 0); }
}

.pulse {
  animation: pulse 2s infinite;
}

/* Loading spinner */
@keyframes spin {
  to { transform: rotate(360deg); }
}

.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--grey-border);
  border-top-color: var(--orange);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* Parallax (CSS-based subtle effect) */
.parallax-bg {
  background-attachment: fixed;
  background-position: center;
  background-repeat: no-repeat;
  background-size: cover;
}


/* ------------------------------------------------------------
   18. RESPONSIVE DESIGN
   ------------------------------------------------------------ */

/* --- Large Desktop (< 1400px) --- */
@media (max-width: 1400px) {
  .partners-grid--8 {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* --- Desktop (< 1200px) --- */
@media (max-width: 1200px) {
  .container {
    padding-left: var(--space-lg);
    padding-right: var(--space-lg);
  }

  .footer__main {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
  }

  .team-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .esg-metrics {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Tablet (< 992px) --- */
@media (max-width: 992px) {
  h1 { font-size: 2.5rem; }
  h2 { font-size: 1.875rem; }

  .section {
    padding-top: var(--space-3xl);
    padding-bottom: var(--space-3xl);
  }

  .hero__title {
    font-size: 2.75rem;
  }

  /* Show hamburger, hide desktop nav */
  .hamburger {
    display: flex;
  }

  .nav {
    display: none;
  }

  .header__cta {
    display: none;
  }

  .nav-mobile {
    display: block;
  }

  /* Grids collapse */
  .grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .split,
  .company-section,
  .contact-layout,
  .esg-intro,
  .careers-intro {
    grid-template-columns: 1fr;
    gap: var(--space-2xl);
  }

  .company-section--reverse {
    direction: ltr;
  }

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

  .works-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .esg-pillars {
    grid-template-columns: repeat(2, 1fr);
  }

  .job-detail {
    grid-template-columns: 1fr;
  }

  .job-detail__sidebar {
    position: static;
  }

  .hero__stats {
    gap: var(--space-xl);
  }

  .stats-row {
    gap: var(--space-xl);
    flex-wrap: wrap;
    justify-content: center;
  }

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* --- Small Tablet / Large Phone (< 768px) --- */
@media (max-width: 768px) {
  :root {
    --header-height: 70px;
    --header-height-scrolled: 60px;
  }

  h1 { font-size: 2rem; }
  h2 { font-size: 1.625rem; }
  h3 { font-size: 1.25rem; }

  .section-title {
    font-size: 1.875rem;
  }

  .hero {
    min-height: 500px;
    padding-top: calc(var(--header-height) + var(--space-2xl));
  }

  .hero--full {
    min-height: 90vh;
  }

  .hero__title {
    font-size: 2.25rem;
  }

  .hero__subtitle {
    font-size: 1rem;
  }

  .hero__stats {
    flex-wrap: wrap;
    gap: var(--space-lg);
  }

  .hero__stat-number {
    font-size: 2rem;
  }

  /* Single column grids */
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }

  .works-grid {
    grid-template-columns: 1fr;
  }

  .news-grid {
    grid-template-columns: 1fr;
  }

  .team-grid,
  .team-grid--3 {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-lg);
  }

  .esg-pillars {
    grid-template-columns: 1fr;
  }

  .esg-commitments {
    grid-template-columns: 1fr;
  }

  .esg-case-study {
    grid-template-columns: 1fr;
  }

  .partners-grid--8 {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }

  .footer__main {
    grid-template-columns: 1fr;
    gap: var(--space-xl);
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  /* Stats row adjustments */
  .stats-row {
    gap: var(--space-lg);
  }

  .stat-item__number {
    font-size: 2.25rem;
  }

  .benefits-grid {
    grid-template-columns: 1fr;
  }

  .project-filters {
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: var(--space-sm);
    -webkit-overflow-scrolling: touch;
  }

  .project-filter {
    flex-shrink: 0;
  }
}

/* --- Mobile (< 480px) --- */
@media (max-width: 480px) {
  :root {
    --header-height: 60px;
    --header-height-scrolled: 56px;
  }

  .container {
    padding-left: var(--space-md);
    padding-right: var(--space-md);
  }

  h1 { font-size: 1.75rem; }
  h2 { font-size: 1.5rem; }

  .section {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }

  .section-title {
    font-size: 1.5rem;
  }

  .hero {
    min-height: 420px;
  }

  .hero__title {
    font-size: 1.875rem;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
    justify-content: center;
  }

  .hero__stats {
    flex-direction: column;
    gap: var(--space-md);
  }

  .team-grid,
  .team-grid--3 {
    grid-template-columns: 1fr;
  }

  .partners-grid--8 {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-form {
    padding: var(--space-lg);
  }

  .application-form {
    padding: var(--space-xl);
  }

  .btn {
    padding: 0.7rem 1.5rem;
    font-size: 0.875rem;
  }

  .btn--lg {
    padding: 0.85rem 2rem;
    font-size: 0.9375rem;
  }

  /* Job card stacked on mobile */
  .job-card {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .job-card__arrow {
    margin-left: 0;
    align-self: flex-end;
  }

  .job-card__meta {
    flex-wrap: wrap;
  }

  .esg-metrics {
    grid-template-columns: 1fr;
  }
}


/* ------------------------------------------------------------
   19. PAGE HEADER SECTIONS (Inner Pages)
   ------------------------------------------------------------ */

.page-header {
  position: relative;
  display: flex;
  align-items: center;
  min-height: 320px;
  padding: calc(var(--header-height) + var(--space-3xl)) 0 var(--space-3xl);
  background-color: var(--navy);
  overflow: hidden;
}

.page-header--tall {
  min-height: 400px;
}

.page-header__bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 1;
}

.page-header__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-header__overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    135deg,
    rgba(26, 39, 68, 0.93) 0%,
    rgba(26, 39, 68, 0.8) 100%
  );
  z-index: 2;
}

.page-header__content {
  position: relative;
  z-index: 3;
}

.page-header__breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-md);
}

.page-header__breadcrumb a {
  color: rgba(255, 255, 255, 0.6);
  transition: color var(--transition-fast);
}

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

.page-header__breadcrumb-separator {
  color: rgba(255, 255, 255, 0.3);
}

.page-header__title {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: var(--space-sm);
}

.page-header__subtitle {
  font-size: 1.125rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  line-height: 1.7;
}

/* Responsive inner page header */
@media (max-width: 768px) {
  .page-header {
    min-height: 240px;
    padding: calc(var(--header-height) + var(--space-xl)) 0 var(--space-xl);
  }

  .page-header__title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .page-header__title {
    font-size: 1.625rem;
  }

  .page-header__subtitle {
    font-size: 1rem;
  }
}


/* ------------------------------------------------------------
   20. UTILITY CLASSES
   ------------------------------------------------------------ */

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-navy { color: var(--navy); }
.text-orange { color: var(--orange); }
.text-grey { color: var(--grey); }
.text-grey-light { color: var(--grey-light); }
.text-white { color: var(--white); }

/* Background Colors */
.bg-navy { background-color: var(--navy); }
.bg-navy-light { background-color: var(--navy-light); }
.bg-orange { background-color: var(--orange); }
.bg-grey { background-color: var(--grey-bg); }
.bg-white { background-color: var(--white); }

/* Font Weight */
.fw-400 { font-weight: 400; }
.fw-500 { font-weight: 500; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }

/* Font Size */
.fs-sm { font-size: 0.875rem; }
.fs-base { font-size: 1rem; }
.fs-lg { font-size: 1.125rem; }
.fs-xl { font-size: 1.25rem; }
.fs-2xl { font-size: 1.5rem; }

/* Spacing Utilities */
.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }
.mt-5 { margin-top: var(--space-2xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }
.mb-5 { margin-bottom: var(--space-2xl); }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: var(--space-sm); }
.pt-2 { padding-top: var(--space-md); }
.pt-3 { padding-top: var(--space-lg); }
.pt-4 { padding-top: var(--space-xl); }
.pt-5 { padding-top: var(--space-2xl); }

.pb-0 { padding-bottom: 0; }
.pb-1 { padding-bottom: var(--space-sm); }
.pb-2 { padding-bottom: var(--space-md); }
.pb-3 { padding-bottom: var(--space-lg); }
.pb-4 { padding-bottom: var(--space-xl); }
.pb-5 { padding-bottom: var(--space-2xl); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }
.d-inline-flex { display: inline-flex; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.sticky { position: sticky; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

/* Width & Height */
.w-100 { width: 100%; }
.h-100 { height: 100%; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Max Width */
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 640px; }
.max-w-lg { max-width: 800px; }
.max-w-xl { max-width: 1000px; }

/* Border */
.border { border: 1px solid var(--grey-border); }
.border-top { border-top: 1px solid var(--grey-border); }
.border-bottom { border-bottom: 1px solid var(--grey-border); }
.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Shadow */
.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* Visibility */
.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;
}

/* Responsive visibility */
.hide-mobile {
  display: block;
}

.show-mobile {
  display: none;
}

@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }

  .show-mobile {
    display: block;
  }
}

/* Separator line */
.separator {
  width: 60px;
  height: 3px;
  background-color: var(--orange);
  border: none;
  margin: var(--space-lg) 0;
}

.separator--center {
  margin-left: auto;
  margin-right: auto;
}

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

/* Overlay utility */
.overlay {
  position: relative;
}

.overlay::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: rgba(26, 39, 68, 0.5);
  pointer-events: none;
}

/* List styles for content areas */
.content-list {
  list-style: none;
  padding: 0;
}

.content-list li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
  color: var(--grey);
  line-height: 1.7;
}

.content-list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 8px;
  background-color: var(--orange);
  border-radius: 50%;
}

/* Blockquote */
.blockquote {
  position: relative;
  padding: var(--space-xl) var(--space-2xl);
  border-left: 4px solid var(--orange);
  background-color: var(--grey-bg);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-xl) 0;
}

.blockquote__text {
  font-size: 1.125rem;
  font-style: italic;
  color: var(--grey-dark);
  line-height: 1.7;
}

.blockquote__author {
  margin-top: var(--space-md);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--navy);
  font-style: normal;
}

/* Back to Top Button */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--orange);
  color: var(--white);
  border-radius: 50%;
  font-size: 1.25rem;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: opacity var(--transition-base),
              visibility var(--transition-base),
              transform var(--transition-base),
              background-color var(--transition-fast);
  z-index: var(--z-sticky);
  cursor: pointer;
}

.back-to-top--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background-color: var(--orange-hover);
  color: var(--white);
}

/* Cookie / Notification Banner */
.notification-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--navy);
  color: var(--white);
  padding: var(--space-lg) var(--space-xl);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xl);
  z-index: var(--z-toast);
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.notification-bar--visible {
  transform: translateY(0);
}

.notification-bar__text {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.8);
  flex: 1;
}

.notification-bar__actions {
  display: flex;
  gap: var(--space-sm);
  flex-shrink: 0;
}

/* Print styles */
@media print {
  .header,
  .footer,
  .back-to-top,
  .notification-bar {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }

  .section {
    padding: 1rem 0;
    page-break-inside: avoid;
  }

  a {
    color: #000;
    text-decoration: underline;
  }
}