/* ===== WSB Infra & Crafts — Main Stylesheet ===== */

/* ----- :root Variables ----- */
:root {
  --primary: #1a2a4a;
  --primary-light: #23375f;
  --primary-dark: #0f1b30;
  --accent: #e8892b;
  --accent-hover: #d07a20;
  --bg-light: #f8f9fc;
  --bg-dark: #0f1b30;
  --text-dark: #1a2a4a;
  --text-muted: #6b7280;
  --text-light: #ffffff;
  --border-light: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 16px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --transition: 0.3s ease;
  --max-width: 1200px;
  --nav-height: 72px;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-family);
  color: var(--text-dark);
  background: var(--bg-light);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  padding-top: var(--nav-height);
}

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

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

ul { list-style: none; }

/* ----- Container ----- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 20px;
}

/* ----- Buttons ----- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  font-size: 0.95rem;
  font-weight: 600;
  border: 2px solid transparent;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
  font-family: inherit;
}
.btn-primary {
  background: var(--accent);
  color: var(--text-light);
  border-color: var(--accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--text-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-outline {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: var(--text-light);
  transform: translateY(-2px);
}
.btn-outline-light {
  background: transparent;
  color: var(--text-light);
  border-color: var(--text-light);
}
.btn-outline-light:hover {
  background: var(--text-light);
  color: var(--primary);
  transform: translateY(-2px);
}
.btn-sm {
  padding: 8px 18px;
  font-size: 0.85rem;
}

/* ----- Section Shared ----- */
.section {
  padding: 80px 0;
}
.section-dark {
  background: var(--primary);
  color: var(--text-light);
}
.section-gray {
  background: var(--bg-light);
}
.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 12px;
  position: relative;
}
.section-dark .section-title {
  color: var(--text-light);
}
.section-subtitle {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}
.section-dark .section-subtitle {
  color: rgba(255,255,255,0.7);
}
.text-center {
  text-align: center;
}
.section-header {
  text-align: center;
  margin-bottom: 48px;
}
.section-header .section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 3px;
  background: var(--accent);
  margin: 12px auto 0;
  border-radius: 2px;
}

/* ----- Navbar (Fixed Top) ----- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: var(--nav-height);
  background: var(--primary);
  z-index: 1000;
  box-shadow: 0 2px 8px rgba(0,0,0,0.15);
  transition: background var(--transition);
}
.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.navbar .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0.5px;
}
.navbar .logo img {
  height: 40px;
  width: auto;
}
.navbar .logo span {
  color: var(--accent);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
}
.nav-links a {
  color: rgba(255,255,255,0.85);
  padding: 8px 16px;
  font-size: 0.92rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--text-light);
  background: rgba(255,255,255,0.1);
}
.nav-links a.active {
  color: var(--accent);
}

/* ----- Dropdown Menu ----- */
.dropdown {
  position: relative;
}
.dropdown__toggle {
  display: flex !important;
  align-items: center;
  gap: 5px;
  padding-right: 12px !important;
}
.dropdown__toggle i {
  font-size: 0.7rem;
  transition: transform var(--transition);
}
.dropdown:hover .dropdown__toggle i,
.dropdown--open .dropdown__toggle i {
  transform: rotate(180deg);
}
.dropdown__menu {
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--primary-light);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  box-shadow: var(--shadow-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: all var(--transition);
  z-index: 1001;
  padding: 6px 0;
}
.dropdown:hover .dropdown__menu,
.dropdown--open .dropdown__menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.dropdown__menu a {
  display: block !important;
  padding: 10px 20px !important;
  font-size: 0.88rem !important;
  color: rgba(255,255,255,0.85) !important;
  border-radius: 0 !important;
  white-space: nowrap;
  border-left: 3px solid transparent;
  width: 100% !important;
}
.dropdown__menu a:hover {
  background: rgba(255,255,255,0.08);
  color: var(--accent) !important;
  border-left-color: var(--accent);
}
@media (max-width: 992px) {
  .dropdown {
    width: 100%;
  }
  .dropdown__toggle {
    justify-content: space-between !important;
    width: 100%;
    padding: 12px 16px !important;
    font-size: 1rem !important;
  }
  .dropdown__menu {
    position: static;
    background: rgba(0,0,0,0.15);
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
    max-height: 0;
    overflow: hidden;
    padding: 0;
    transition: max-height 0.35s ease, padding 0.35s ease;
    width: 100%;
  }
  .dropdown--open .dropdown__menu {
    max-height: 400px;
    padding: 6px 0;
  }
  .dropdown__menu a {
    padding-left: 36px !important;
    font-size: 0.92rem !important;
  }
}

/* ----- Hamburger ----- */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.hamburger span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--text-light);
  border-radius: 3px;
  transition: all var(--transition);
  transform-origin: center;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ----- Hero Banners ----- */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.2;
}
.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  line-height: 0;
  pointer-events: none;
}
.hero-wave svg {
  display: block;
  width: 100%;
  height: 80px;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero-content {
  max-width: 720px;
}
.hero-badge {
  display: inline-block;
  background: rgba(232,137,43,0.2);
  color: var(--accent);
  padding: 6px 18px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 20px;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.hero-content h1 {
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--text-light);
  line-height: 1.15;
  margin-bottom: 20px;
}
.hero-content h1 span {
  color: var(--accent);
}
.hero-content p {
  font-size: 1.15rem;
  color: rgba(255,255,255,0.8);
  max-width: 560px;
  margin-bottom: 32px;
  line-height: 1.8;
}
.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}

/* ----- Page Hero (Subpages) ----- */
.page-hero {
  min-height: 38vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
  position: relative;
  overflow: hidden;
  text-align: center;
}
.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.page-hero .container {
  position: relative;
  z-index: 2;
  text-align: center;
}
.page-hero h1 {
  font-size: 2.6rem;
  font-weight: 800;
  color: var(--text-light);
  margin-bottom: 12px;
}
.page-hero h1 span {
  color: var(--accent);
}
.page-hero p {
  font-size: 1.1rem;
  color: rgba(255,255,255,0.75);
  max-width: 520px;
  margin: 0 auto;
}
.breadcrumb {
  margin-bottom: 16px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.6);
}
.breadcrumb a {
  color: rgba(255,255,255,0.7);
}
.breadcrumb a:hover {
  color: var(--accent);
}
.breadcrumb span {
  color: var(--accent);
}

/* ----- About Page ----- */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
.about-intro-image {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.about-intro-image img {
  width: 100%;
  height: 420px;
  object-fit: cover;
}
.about-intro-text h2 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}
.about-intro-text h2 span {
  color: var(--accent);
}
.about-intro-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.8;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}
.stat-card {
  text-align: center;
  padding: 32px 16px;
  background: var(--text-light);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.stat-number {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
}
.stat-label {
  font-size: 0.92rem;
  color: var(--text-muted);
  margin-top: 6px;
  font-weight: 500;
}

/* ----- Services Overview Cards ----- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 28px;
}
.service-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  border-bottom: 3px solid transparent;
  position: relative;
  overflow: hidden;
}
.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 0;
  background: var(--accent);
  transition: height var(--transition);
}
.service-card:hover::before {
  height: 100%;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-bottom-color: var(--accent);
}
.service-icon {
  width: 58px;
  height: 58px;
  background: rgba(232,137,43,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--accent);
  margin-bottom: 20px;
  transition: all var(--transition);
}
.service-card:hover .service-icon {
  background: var(--accent);
  color: var(--text-light);
}
.service-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}
.service-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 16px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent);
}

/* ----- PEB Benefits Grid ----- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 24px;
}
.benefit-item {
  background: var(--text-light);
  border-radius: var(--radius-md);
  padding: 28px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.benefit-icon {
  width: 52px;
  height: 52px;
  margin: 0 auto 16px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-light);
  font-size: 1.3rem;
  font-weight: 700;
}
.benefit-item h4 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.benefit-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ----- Government Project Cards ----- */
.project-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}
.project-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.project-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.project-card-image {
  height: 220px;
  overflow: hidden;
}
.project-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.project-card:hover .project-card-image img {
  transform: scale(1.06);
}
.project-card-body {
  padding: 24px;
}
.project-card-tag {
  display: inline-block;
  background: rgba(232,137,43,0.12);
  color: var(--accent);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}
.project-card-body h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.project-card-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----- Engineering Service Cards ----- */
.eng-services {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 28px;
}
.eng-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  padding: 32px 24px;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  position: relative;
  border: 1px solid var(--border-light);
}
.eng-card:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.eng-card .step {
  font-size: 2rem;
  font-weight: 800;
  color: rgba(232,137,43,0.15);
  margin-bottom: 4px;
  line-height: 1;
}
.eng-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 10px;
}
.eng-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----- Manufacturing Facility Cards ----- */
.facility-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 28px;
}
.facility-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.facility-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.facility-img {
  height: 240px;
  overflow: hidden;
}
.facility-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.facility-card:hover .facility-img img {
  transform: scale(1.06);
}
.facility-body {
  padding: 24px;
}
.facility-body h3 {
  font-size: 1.15rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.facility-body p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  margin-bottom: 12px;
}
.facility-features {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.facility-features li {
  background: var(--bg-light);
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.8rem;
  color: var(--text-dark);
  font-weight: 500;
}

/* ----- Portfolio Grid + Filters ----- */
.portfolio-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 36px;
}
.filter-btn {
  padding: 8px 22px;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--text-light);
  color: var(--text-dark);
  border: 2px solid var(--border-light);
  border-radius: 30px;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}
.filter-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.filter-btn.active {
  background: var(--accent);
  color: var(--text-light);
  border-color: var(--accent);
}
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}
.portfolio-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4 / 3;
}
.portfolio-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.portfolio-item:hover img {
  transform: scale(1.08);
}
.portfolio-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26,42,74,0.85);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity var(--transition);
  padding: 20px;
  text-align: center;
}
.portfolio-item:hover .portfolio-overlay {
  opacity: 1;
}
.portfolio-overlay h4 {
  color: var(--text-light);
  font-size: 1.1rem;
  margin-bottom: 6px;
}
.portfolio-overlay p {
  color: rgba(255,255,255,0.7);
  font-size: 0.88rem;
}
.portfolio-item.hide {
  display: none;
}

/* ----- Certifications Grid ----- */
.cert-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
  gap: 24px;
}
.cert-item {
  background: var(--text-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.cert-item:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.cert-item img {
  height: 60px;
  width: auto;
  margin: 0 auto 14px;
}
.cert-item h4 {
  font-size: 0.9rem;
  color: var(--primary);
  font-weight: 600;
}

/* ----- Careers / Job Cards ----- */
.job-list {
  display: grid;
  gap: 20px;
}
.job-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  transition: all var(--transition);
  border-left: 4px solid transparent;
}
.job-card:hover {
  border-left-color: var(--accent);
  box-shadow: var(--shadow-md);
  transform: translateX(4px);
}
.job-info h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.job-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.job-meta span {
  display: flex;
  align-items: center;
  gap: 5px;
}
.careers-cta {
  text-align: center;
  padding: 60px 0;
}
.careers-cta h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 12px;
}
.careers-cta p {
  color: var(--text-muted);
  margin-bottom: 24px;
  font-size: 1.05rem;
}

/* ----- Contact Form + Info ----- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}
.contact-info h2 {
  font-size: 1.8rem;
  color: var(--primary);
  margin-bottom: 16px;
}
.contact-info > p {
  color: var(--text-muted);
  margin-bottom: 32px;
  line-height: 1.8;
}
.contact-details {
  display: grid;
  gap: 20px;
}
.contact-detail {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.contact-detail-icon {
  width: 46px;
  height: 46px;
  min-width: 46px;
  background: rgba(232,137,43,0.1);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: 1.1rem;
}
.contact-detail h4 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.contact-detail p {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}
.contact-form {
  background: var(--text-light);
  padding: 36px;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.form-group {
  margin-bottom: 20px;
}
.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 6px;
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  font-size: 0.95rem;
  font-family: inherit;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-sm);
  background: var(--bg-light);
  color: var(--text-dark);
  transition: border-color var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
}
.form-group textarea {
  min-height: 140px;
  resize: vertical;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* ----- Footer (4-Column Grid) ----- */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--text-light);
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 14px;
}
.footer-brand .logo span {
  color: var(--accent);
}
.footer-brand p {
  font-size: 0.9rem;
  line-height: 1.7;
  margin-bottom: 20px;
  max-width: 320px;
}
.footer-social {
  display: flex;
  gap: 10px;
}
.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  color: rgba(255,255,255,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  transition: all var(--transition);
}
.footer-social a:hover {
  background: var(--accent);
  color: var(--text-light);
}
.footer h4 {
  color: var(--text-light);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: all var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a:hover {
  color: var(--accent);
  transform: translateX(4px);
}
.footer-contact li {
  display: flex;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 0.9rem;
  align-items: flex-start;
}
.footer-contact li i {
  color: var(--accent);
  margin-top: 4px;
  min-width: 16px;
}
.footer-bottom {
  text-align: center;
  padding: 20px 0;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.5);
}

/* ----- Animations (also handles .anim-* prefixed classes) ----- */
.animate-up, .anim-up,
.animate-left, .anim-left,
.animate-right, .anim-right,
.anim-scale,
.anim-fade {
  opacity: 0;
  transition: all 0.7s ease;
  transition-delay: var(--delay, 0s);
}
.animate-up, .anim-up { transform: translateY(40px); }
.animate-left, .anim-left { transform: translateX(-40px); }
.animate-right, .anim-right { transform: translateX(40px); }
.anim-scale { transform: scale(0.85); }
.anim-fade { opacity: 0; }
.animate-up.visible, .anim-up.visible,
.animate-left.visible, .anim-left.visible,
.animate-right.visible, .anim-right.visible,
.anim-scale.visible,
.anim-fade.visible {
  opacity: 1;
  transform: translate(0, 0) scale(1);
}

/* ----- Utility ----- */
.mt-1 { margin-top: 16px; }
.mt-2 { margin-top: 32px; }
.mt-3 { margin-top: 48px; }
.mb-1 { margin-bottom: 16px; }
.mb-2 { margin-bottom: 32px; }
.gap-1 { gap: 16px; }
.gap-2 { gap: 24px; }

/* ----- Responsive: 992px ----- */
@media (max-width: 992px) {
  .nav-links {
    position: fixed;
    top: var(--nav-height);
    left: 0;
    width: 100%;
    flex-direction: column;
    background: var(--primary);
    padding: 20px 24px;
    gap: 4px;
    transform: translateY(-110%);
    opacity: 0;
    transition: all var(--transition);
    box-shadow: var(--shadow-lg);
    z-index: 999;
  }
  .nav-links.open {
    transform: translateY(0);
    opacity: 1;
  }
  .nav-links a {
    padding: 12px 16px;
    width: 100%;
    font-size: 1rem;
  }
  .hamburger {
    display: flex;
  }

  .hero-content h1 {
    font-size: 2.4rem;
  }
  .page-hero h1 {
    font-size: 2rem;
  }

  .about-intro {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }

  .job-card {
    flex-direction: column;
    align-items: flex-start;
  }

  .section {
    padding: 60px 0;
  }
}

/* ----- Responsive: 768px ----- */
@media (max-width: 768px) {
  :root {
    --nav-height: 64px;
  }

  .hero {
    min-height: 70vh;
  }
  .hero-content h1 {
    font-size: 1.9rem;
  }
  .hero-content p {
    font-size: 1rem;
  }
  .page-hero {
    min-height: 30vh;
  }
  .page-hero h1 {
    font-size: 1.7rem;
  }

  .section-title {
    font-size: 1.6rem;
  }
  .section-subtitle {
    font-size: 0.95rem;
  }

  .about-intro-text h2 {
    font-size: 1.6rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }
  .contact-form {
    padding: 24px;
  }

  .portfolio-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

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

  .hero-wave svg {
    height: 50px;
  }

  .navbar .logo {
    font-size: 1.1rem;
  }
  .navbar .logo img {
    height: 34px;
  }
}

/* ----- Responsive: 480px ----- */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero {
    min-height: 60vh;
  }
  .hero-content h1 {
    font-size: 1.6rem;
  }
  .hero-content p {
    font-size: 0.92rem;
  }
  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-buttons .btn {
    justify-content: center;
  }

  .page-hero h1 {
    font-size: 1.4rem;
  }
  .page-hero p {
    font-size: 0.92rem;
  }

  .section {
    padding: 48px 0;
  }
  .section-title {
    font-size: 1.4rem;
  }
  .section-subtitle {
    font-size: 0.9rem;
    margin-bottom: 32px;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }
  .stat-card {
    padding: 24px 12px;
  }
  .stat-number {
    font-size: 1.8rem;
  }

  .services-grid {
    grid-template-columns: 1fr;
  }
  .benefits-grid {
    grid-template-columns: 1fr;
  }
  .eng-services {
    grid-template-columns: 1fr;
  }
  .project-cards {
    grid-template-columns: 1fr;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }
  .portfolio-filters {
    gap: 6px;
  }
  .filter-btn {
    padding: 6px 14px;
    font-size: 0.82rem;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .job-card {
    padding: 20px;
  }
  .job-meta {
    flex-direction: column;
    gap: 6px;
  }

  .contact-form {
    padding: 20px;
  }
  .contact-info h2 {
    font-size: 1.4rem;
  }
}

/* ===============================================================
   ADVANCED FEATURES
   =============================================================== */

/* ----- Scroll Progress Bar ----- */
#scrollProgress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  background: var(--accent);
  z-index: 10000;
  width: 0%;
  transition: width 0.1s linear;
}

/* ----- Preloader ----- */
#preloader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  background: var(--bg-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 24px;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#preloader.preloader--hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.preloader__spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--border-light);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
.preloader__text {
  font-size: 0.9rem;
  color: var(--text-muted);
  font-weight: 500;
  letter-spacing: 2px;
  text-transform: uppercase;
}

/* ----- WhatsApp Floating Button ----- */
.whatsapp-btn {
  position: fixed;
  bottom: 30px; left: 30px;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(37,211,102,0.4);
  z-index: 999;
  transition: all var(--transition);
  animation: waPulse 2s ease-in-out infinite;
  text-decoration: none;
}
.whatsapp-btn:hover {
  transform: scale(1.1);
  background: #20bd5a;
  color: #fff;
  box-shadow: 0 6px 24px rgba(37,211,102,0.5);
}
@keyframes waPulse {
  0%, 100% { box-shadow: 0 4px 16px rgba(37,211,102,0.4); }
  50% { box-shadow: 0 4px 24px rgba(37,211,102,0.7); }
}

/* ----- Client Logos ----- */
.client-logos {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 32px 48px;
}
.client-logo-item {
  height: 48px;
  opacity: 0.5;
  filter: grayscale(1);
  transition: all var(--transition);
}
.client-logo-item:hover {
  opacity: 1;
  filter: grayscale(0);
}
.client-logo-item img {
  height: 100%;
  width: auto;
}

/* ----- Blog / News Cards ----- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 28px;
}
.blog-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
}
.blog-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.blog-card-image {
  height: 200px;
  overflow: hidden;
}
.blog-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.blog-card:hover .blog-card-image img {
  transform: scale(1.06);
}
.blog-card-body {
  padding: 20px;
}
.blog-card-date {
  font-size: 0.82rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 6px;
}
.blog-card-body h3 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.blog-card-body p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}
.blog-card-body .service-link {
  font-size: 0.85rem;
}

/* ----- Service Coverage Map ----- */
.coverage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
}
.coverage-state {
  background: var(--text-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  text-align: center;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--primary);
  transition: all var(--transition);
}
.coverage-state:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.coverage-state i {
  color: var(--accent);
  margin-right: 6px;
  font-size: 0.75rem;
}

/* ----- Back to Top ----- */
#backToTop {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--accent);
  color: var(--text-light);
  border: none;
  cursor: pointer;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: all var(--transition);
  z-index: 999;
}
#backToTop.btt--visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
#backToTop:hover {
  background: var(--accent-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ----- Dark Mode Toggle ----- */
#darkToggle {
  background: rgba(255,255,255,0.1);
  border: none;
  color: var(--text-light);
  width: 38px; height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.95rem;
  transition: all var(--transition);
  margin-left: 8px;
}
#darkToggle:hover {
  background: rgba(255,255,255,0.2);
}

/* ----- Cookie Banner ----- */
.cookie-banner {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  background: var(--primary-dark);
  color: rgba(255,255,255,0.9);
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
  z-index: 9998;
  box-shadow: 0 -4px 20px rgba(0,0,0,0.15);
  animation: slideUp 0.4s ease;
}
.cookie-banner p {
  font-size: 0.88rem;
  margin: 0;
  flex: 1;
  min-width: 200px;
}
.cookie-banner a {
  color: var(--accent);
  text-decoration: underline;
}
.cookie-banner__actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
@keyframes slideUp {
  from { transform: translateY(100%); }
  to { transform: translateY(0); }
}

/* ----- FAQ Accordion ----- */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--text-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: box-shadow var(--transition);
}
.faq-item:hover {
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--primary);
  background: none;
  border: none;
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--accent);
}
.faq-question i {
  transition: transform var(--transition);
  color: var(--accent);
  font-size: 0.85rem;
}
.faq-item--open .faq-question i {
  transform: rotate(180deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 24px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
}
.faq-item--open .faq-answer {
  max-height: 300px;
  padding: 0 24px 18px;
}

/* ----- Testimonials ----- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
}
.testimonial-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all var(--transition);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 16px; left: 24px;
  font-size: 4rem;
  color: var(--accent);
  opacity: 0.15;
  line-height: 1;
  font-family: Georgia, serif;
}
.testimonial-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-bottom: 20px;
  font-style: italic;
}
.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}
.testimonial-author img {
  width: 48px; height: 48px;
  border-radius: 50%;
  object-fit: cover;
}
.testimonial-author h4 {
  font-size: 0.95rem;
  color: var(--primary);
  margin-bottom: 2px;
}
.testimonial-author span {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* ----- Team Section ----- */
.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 28px;
}
.team-card {
  background: var(--text-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  text-align: center;
}
.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.team-card-image {
  height: 260px;
  overflow: hidden;
  background: var(--bg-light);
}
.team-card-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.team-card:hover .team-card-image img {
  transform: scale(1.06);
}
.team-card-body {
  padding: 20px;
}
.team-card-body h3 {
  font-size: 1.05rem;
  color: var(--primary);
  margin-bottom: 4px;
}
.team-card-body .team-role {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 10px;
}
.team-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ----- Timeline (Journey) ----- */
.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 0; left: 40px;
  width: 3px;
  height: 100%;
  background: var(--border-light);
}
.timeline-item {
  position: relative;
  padding-left: 80px;
  padding-bottom: 40px;
}
.timeline-item:last-child {
  padding-bottom: 0;
}
.timeline-dot {
  position: absolute;
  left: 30px;
  top: 4px;
  width: 22px; height: 22px;
  background: var(--accent);
  border-radius: 50%;
  border: 4px solid var(--bg-light);
  z-index: 2;
}
.timeline-item .year {
  font-size: 0.85rem;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 4px;
}
.timeline-item h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 6px;
}
.timeline-item p {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
}

/* ----- Process Steps ----- */
.process-steps {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 24px;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 28px 16px;
  position: relative;
}
.process-step::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  width: 44px; height: 44px;
  line-height: 44px;
  margin: 0 auto 16px;
  background: var(--accent);
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 800;
  border-radius: 50%;
}
.process-step h4 {
  font-size: 1rem;
  color: var(--primary);
  margin-bottom: 8px;
}
.process-step p {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ----- Certification Badges ----- */
.cert-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin-top: 24px;
}
.cert-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--text-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--primary);
  transition: all var(--transition);
}
.cert-badge:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.cert-badge i {
  font-size: 1.4rem;
  color: var(--accent);
}

/* ----- Custom Scrollbar ----- */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-light); }
::-webkit-scrollbar-thumb { background: var(--border-light); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ===============================================================
   ACCESSIBILITY & PRINT
   =============================================================== */
/* Focus visible */
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}
/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html { scroll-behavior: auto; }
  [data-parallax] { transform: none !important; }
}
/* Print styles */
@media print {
  .navbar, .footer, #backToTop, #scrollProgress, #preloader,
  .cookie-banner, .hero-wave, .btn, .portfolio-filters,
  .contact-form, .hamburger { display: none !important; }
  body { padding-top: 0; font-size: 12pt; color: #000; background: #fff; }
  .section { padding: 20px 0; page-break-inside: avoid; }
  .page-hero { min-height: auto; padding: 30px 0; }
  .page-hero h1 { color: #000; }
  .page-hero p { color: #333; }
  a[href]::after { content: " (" attr(href) ")"; font-size: 0.8em; color: #555; }
}