/* ==========================================================================
   SAUDI ENSAS COMPANY FOR ENGINEERING SERVICES W.L.L.
   Design System & Master Stylesheet
   Parent: Voltas Limited (A TATA Enterprise)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
  /* Brand Palette */
  --primary-navy: #0b162c;
  --primary-blue: #004b93;
  --royal-blue: #0066cc;
  --cyan-accent: #00a8e8;
  --amber-gold: #f59e0b;
  --amber-hover: #d97706;
  
  /* Neutral Palette */
  --bg-dark: #070d19;
  --bg-dark-card: #0f1d38;
  --bg-light-slate: #f8fafc;
  --bg-white: #ffffff;
  
  --text-dark: #0f172a;
  --text-muted: #475569;
  --text-light-muted: #94a3b8;
  --text-white: #ffffff;
  
  --border-light: #e2e8f0;
  --border-dark: #1e293b;
  --border-glow: rgba(0, 168, 232, 0.25);
  
  /* Elevation & Shadows */
  --shadow-sm: 0 2px 8px rgba(11, 22, 44, 0.05);
  --shadow-md: 0 8px 24px rgba(11, 22, 44, 0.08);
  --shadow-lg: 0 20px 40px rgba(11, 22, 44, 0.12);
  --shadow-glow: 0 0 25px rgba(0, 168, 232, 0.3);
  
  /* Layout & Transitions */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-light-slate);
  color: var(--text-dark);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Outfit', sans-serif;
  color: var(--primary-navy);
  line-height: 1.2;
}

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

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Section Common Styling */
.section {
  padding: 5rem 0;
  position: relative;
}

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

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

.section-header {
  text-align: center;
  max-width: 760px;
  margin: 0 auto 3.5rem auto;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 1rem;
  background-color: rgba(0, 75, 147, 0.08);
  color: var(--primary-blue);
  border: 1px solid rgba(0, 75, 147, 0.18);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-dark .section-tag {
  background-color: rgba(0, 168, 232, 0.12);
  color: var(--cyan-accent);
  border-color: rgba(0, 168, 232, 0.3);
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.section-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  font-weight: 400;
}

.section-dark .section-subtitle {
  color: var(--text-light-muted);
}

/* Buttons System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.8rem;
  font-family: 'Outfit', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: var(--transition-normal);
  border: 2px solid transparent;
}

.btn-primary {
  background: linear-gradient(135deg, var(--royal-blue), var(--primary-blue));
  color: var(--text-white);
  box-shadow: 0 4px 14px rgba(0, 102, 204, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-blue), var(--primary-navy));
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 75, 147, 0.45);
}

.btn-accent {
  background: linear-gradient(135deg, var(--amber-gold), var(--amber-hover));
  color: var(--bg-dark);
  box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.5);
}

.btn-outline {
  background: transparent;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--text-white);
}

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

.btn-outline-dark {
  background: transparent;
  border-color: var(--primary-navy);
  color: var(--primary-navy);
}

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

/* 1. TOP ANNOUNCEMENT BAR */
.top-bar {
  background-color: var(--bg-dark);
  color: var(--text-light-muted);
  font-size: 0.825rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.top-bar-info {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.top-bar-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.top-bar-item svg {
  color: var(--cyan-accent);
  width: 14px;
  height: 14px;
}

.badge-tag {
  background: rgba(245, 158, 11, 0.15);
  color: var(--amber-gold);
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  font-weight: 600;
  font-size: 0.75rem;
  border: 1px solid rgba(245, 158, 11, 0.3);
}

/* 2. HEADER / NAVBAR */
.header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-light);
  transition: var(--transition-normal);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
  padding: 0.3rem 0;
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header-logo {
  max-height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
  transition: var(--transition-fast);
}

.header.scrolled .header-logo {
  max-height: 34px;
}

.footer-logo {
  max-height: 56px;
  width: auto;
  object-fit: contain;
  background: #ffffff;
  padding: 6px 12px;
  border-radius: 6px;
  margin-bottom: 1rem;
  display: inline-block;
}

.brand-badge {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  color: var(--primary-navy);
  letter-spacing: -0.03em;
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.brand-badge span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--royal-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

.nav-link {
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-dark);
  position: relative;
  padding: 0.5rem 0;
}

.nav-link:hover, .nav-link.active {
  color: var(--royal-blue);
}

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

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

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-navy);
  cursor: pointer;
}

/* 3. HERO SECTION */
.hero {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark) 0%, #0d1b36 60%, #061124 100%);
  color: var(--text-white);
  padding: 6rem 0 7rem 0;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0; right: 0; bottom: 0; left: 0;
  background: 
    radial-gradient(circle at 80% 20%, rgba(0, 168, 232, 0.15) 0%, transparent 40%),
    radial-gradient(circle at 20% 80%, rgba(0, 102, 204, 0.2) 0%, transparent 50%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.4rem 1.1rem;
  background: rgba(0, 168, 232, 0.1);
  border: 1px solid rgba(0, 168, 232, 0.3);
  border-radius: 50px;
  color: var(--cyan-accent);
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  color: var(--text-white);
  line-height: 1.15;
  margin-bottom: 1.2rem;
  letter-spacing: -0.02em;
}

.hero-title span {
  background: linear-gradient(135deg, #ffffff 0%, var(--cyan-accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-light-muted);
  margin-bottom: 2.2rem;
  max-width: 620px;
}

.hero-actions {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3rem;
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1.2rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.stat-item h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--cyan-accent);
  margin-bottom: 0.2rem;
}

.stat-item p {
  font-size: 0.825rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 500;
}

.hero-visual {
  position: relative;
  z-index: 2;
}

.hero-card-preview {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.15);
  background-color: var(--bg-dark-card);
}

.hero-card-preview img {
  width: 100%;
  height: 380px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.hero-card-preview:hover img {
  transform: scale(1.03);
}

.hero-card-overlay {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem;
  background: linear-gradient(to top, rgba(7, 13, 25, 0.95), transparent);
}

.hero-badge-live {
  position: absolute;
  top: 1.2rem; right: 1.2rem;
  background: rgba(11, 22, 44, 0.85);
  backdrop-filter: blur(8px);
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 0.8rem;
  color: var(--amber-gold);
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

/* 4. COMPANY INTRODUCTION / ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-features {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
  margin-top: 2rem;
}

.about-feature-card {
  background: var(--bg-white);
  padding: 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
}

.about-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--royal-blue);
}

.feature-icon {
  width: 48px;
  height: 48px;
  border-radius: 10px;
  background: rgba(0, 75, 147, 0.08);
  color: var(--primary-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 1rem;
}

.about-feature-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.4rem;
}

.about-feature-card p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.parent-group-box {
  background: linear-gradient(135deg, var(--bg-dark), #102344);
  color: var(--text-white);
  padding: 2.2rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  overflow: hidden;
}

.parent-group-box h3 {
  color: var(--cyan-accent);
  font-size: 1.5rem;
  margin-bottom: 0.8rem;
}

.parent-group-box p {
  color: var(--text-light-muted);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
}

.parent-highlights {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.parent-tag {
  background: rgba(255, 255, 255, 0.08);
  padding: 0.4rem 0.9rem;
  border-radius: 50px;
  font-size: 0.85rem;
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

/* 5. SERVICES TABBED SECTION */
.services-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.tab-btn {
  padding: 0.8rem 1.6rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.95rem;
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 50px;
  color: var(--text-dark);
  cursor: pointer;
  transition: var(--transition-fast);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.tab-btn:hover, .tab-btn.active {
  background: var(--primary-navy);
  color: var(--text-white);
  border-color: var(--primary-navy);
  box-shadow: var(--shadow-md);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.service-card {
  background: var(--bg-white);
  padding: 2.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(0, 102, 204, 0.3);
}

.service-card-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.service-icon-box {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 168, 232, 0.15));
  color: var(--royal-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}

.service-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.8rem;
}

.service-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}

.service-item-chip {
  background: var(--bg-light-slate);
  color: var(--text-dark);
  font-size: 0.775rem;
  font-weight: 500;
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  border: 1px solid #e2e8f0;
}

/* 6. FEATURED MEGA PROJECTS (FILTERABLE PORTFOLIO) */
.portfolio-filters {
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  margin-bottom: 3rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.6rem 1.4rem;
  font-family: 'Outfit', sans-serif;
  font-weight: 600;
  font-size: 0.9rem;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 50px;
  color: var(--text-light-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.filter-btn:hover, .filter-btn.active {
  background: var(--royal-blue);
  color: var(--text-white);
  border-color: var(--royal-blue);
  box-shadow: 0 4px 12px rgba(0, 102, 204, 0.4);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 2rem;
}

.project-card {
  background: var(--bg-dark-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-normal);
  display: flex;
  flex-direction: column;
}

.project-card:hover {
  transform: translateY(-8px);
  border-color: var(--cyan-accent);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.project-img-wrapper {
  position: relative;
  height: 230px;
  overflow: hidden;
}

.project-img-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.project-card:hover .project-img-wrapper img {
  transform: scale(1.08);
}

.project-val-badge {
  position: absolute;
  top: 1rem; right: 1rem;
  background: rgba(7, 13, 25, 0.85);
  backdrop-filter: blur(8px);
  color: var(--amber-gold);
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.35rem 0.8rem;
  border-radius: 50px;
  border: 1px solid rgba(245, 158, 11, 0.4);
}

.project-content {
  padding: 1.8rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.project-location {
  font-size: 0.8rem;
  color: var(--cyan-accent);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 0.4rem;
}

.project-title {
  font-size: 1.35rem;
  color: var(--text-white);
  margin-bottom: 1rem;
  line-height: 1.3;
}

.project-meta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.8rem;
  padding-top: 1rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.85rem;
}

.meta-item span {
  display: block;
  color: var(--text-light-muted);
  font-size: 0.75rem;
}

.meta-item strong {
  color: var(--text-white);
  font-weight: 600;
}

/* 7. MAJOR CLIENTS & REGULATORY CREDENTIALS */
.credentials-banner {
  background: linear-gradient(135deg, #091a38 0%, #030b17 100%);
  border-radius: var(--radius-lg);
  padding: 3.5rem;
  border: 1px solid rgba(0, 168, 232, 0.2);
  box-shadow: var(--shadow-lg);
}

.clients-badge-box {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  background: rgba(0, 168, 232, 0.1);
  padding: 0.8rem 1.6rem;
  border-radius: 50px;
  border: 1px solid rgba(0, 168, 232, 0.3);
  margin-bottom: 2rem;
}

.clients-badge-box span {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--cyan-accent);
}

.clients-projects-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.2rem;
  margin-top: 2rem;
}

.clients-item {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem 1.2rem;
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.clients-item svg {
  color: var(--cyan-accent);
  flex-shrink: 0;
}

/* 8. PROCESS / WORKFLOW SECTION */
.process-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.process-card {
  background: var(--bg-white);
  padding: 2rem 1.5rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  text-align: center;
  position: relative;
  transition: var(--transition-normal);
}

.process-card:hover {
  transform: translateY(-5px);
  border-color: var(--royal-blue);
  box-shadow: var(--shadow-md);
}

.process-num {
  font-family: 'Outfit', sans-serif;
  font-size: 2.2rem;
  font-weight: 800;
  color: rgba(0, 75, 147, 0.15);
  margin-bottom: 0.5rem;
}

.process-card h4 {
  font-size: 1.1rem;
  margin-bottom: 0.6rem;
}

.process-card p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* 9. AWARDS SECTION */
.awards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1.5rem;
}

.award-card {
  background: var(--bg-white);
  padding: 1.8rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  transition: var(--transition-fast);
}

.award-card:hover {
  border-color: var(--amber-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.award-icon {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: rgba(245, 158, 11, 0.12);
  color: var(--amber-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  flex-shrink: 0;
}

.award-card h4 {
  font-size: 0.95rem;
  line-height: 1.3;
}

/* 10. FAQ SECTION */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

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

.faq-question {
  width: 100%;
  padding: 1.4rem 1.8rem;
  background: none;
  border: none;
  text-align: left;
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--primary-navy);
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.faq-answer {
  padding: 0 1.8rem 1.4rem 1.8rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  display: none;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
}

.faq-item.active .faq-question svg {
  transform: rotate(180deg);
  color: var(--royal-blue);
}

/* 11. CONTACT SECTION */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: var(--bg-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-light);
  box-shadow: var(--shadow-md);
}

.office-block {
  margin-bottom: 2rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-light);
}

.office-block:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.office-block h4 {
  font-size: 1.25rem;
  color: var(--primary-navy);
  margin-bottom: 0.8rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.office-details {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  font-size: 0.925rem;
  color: var(--text-muted);
}

.office-details li {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
}

.office-details svg {
  color: var(--royal-blue);
  flex-shrink: 0;
  margin-top: 0.2rem;
}

.contact-form-card {
  background: var(--bg-dark-card);
  color: var(--text-white);
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(255, 255, 255, 0.1);
  box-shadow: var(--shadow-lg);
}

.contact-form-card h3 {
  color: var(--text-white);
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.form-group {
  margin-bottom: 1.2rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--text-light-muted);
  margin-bottom: 0.4rem;
  font-weight: 500;
}

.form-control {
  width: 100%;
  padding: 0.85rem 1.1rem;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-sm);
  color: var(--text-white);
  font-family: 'Inter', sans-serif;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--cyan-accent);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: 0 0 10px rgba(0, 168, 232, 0.2);
}

.form-control option {
  color: #000000;
  background-color: #ffffff;
}

/* 12. FOOTER */
.footer {
  background-color: #040812;
  color: var(--text-light-muted);
  padding: 5rem 0 2rem 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.9rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

.footer-brand p {
  margin-top: 1rem;
  line-height: 1.6;
  max-width: 320px;
}

.footer-col h4 {
  color: var(--text-white);
  font-size: 1.1rem;
  margin-bottom: 1.2rem;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

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

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.825rem;
}

/* RESPONSIVE BREAKPOINTS */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.8rem;
  }
  .process-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .nav-menu {
    display: none;
    position: absolute;
    top: 80px; left: 0; right: 0;
    background: var(--bg-white);
    flex-direction: column;
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border-bottom: 1px solid var(--border-light);
  }
  .nav-menu.active {
    display: flex;
  }
  .mobile-toggle {
    display: block;
  }
  .hero-title {
    font-size: 2.2rem;
  }
  .hero-stats {
    grid-template-columns: 1fr 1fr;
  }
  .about-features {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* PROJECT DETAILS MODAL & CARD INTERACTIVITY */
.project-card {
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 30px rgba(0, 168, 232, 0.25);
}

.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(3, 11, 23, 0.88);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
}

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

.modal-container {
  background: #091a38;
  border: 1px solid rgba(0, 168, 232, 0.3);
  border-radius: var(--radius-lg);
  max-width: 740px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--shadow-lg);
  transform: translateY(20px);
  transition: all 0.3s ease;
  color: #fff;
}

.modal-overlay.active .modal-container {
  transform: translateY(0);
}

.modal-close {
  position: absolute;
  top: 1rem;
  right: 1.2rem;
  background: rgba(255, 255, 255, 0.15);
  border: none;
  color: #fff;
  font-size: 1.6rem;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: var(--transition-fast);
}

.modal-close:hover {
  background: var(--cyan-accent);
  color: var(--bg-dark);
}

.modal-header-img {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.modal-content-body {
  padding: 2rem;
}

.modal-project-badge {
  display: inline-block;
  background: rgba(0, 168, 232, 0.2);
  color: var(--cyan-accent);
  padding: 0.35rem 0.9rem;
  border-radius: 4px;
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 0.8rem;
  border: 1px solid rgba(0, 168, 232, 0.4);
}

.modal-project-title {
  font-size: 1.9rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.4rem;
}

.modal-project-loc {
  color: var(--cyan-accent);
  font-size: 0.95rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.modal-meta-row {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  background: rgba(255, 255, 255, 0.05);
  padding: 1.2rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1.5rem;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.modal-meta-item span {
  display: block;
  font-size: 0.75rem;
  color: var(--text-light-muted);
  text-transform: uppercase;
  margin-bottom: 0.2rem;
}

.modal-meta-item strong {
  font-size: 1rem;
  color: #fff;
}

.modal-desc-heading {
  font-size: 1.15rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 0.6rem;
}

.modal-desc-text {
  font-size: 0.95rem;
  color: var(--text-light-muted);
  line-height: 1.7;
  margin-bottom: 1.8rem;
}

/* MOVEABLE CERTIFICATES & AWARDS SLIDER (LANDSCAPE FULL COVER) */
.awards-slider-wrapper {
  margin-top: 3.5rem;
  position: relative;
}

.slider-viewport-container {
  position: relative;
}

.side-arrow {
  position: absolute;
  top: 45%;
  transform: translateY(-50%);
  z-index: 50;
  background: #ffffff;
  border: 1px solid var(--border-light);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 75, 147, 0.25);
  transition: all 0.25s ease;
  user-select: none;
}

.side-arrow svg {
  width: 24px;
  height: 24px;
  stroke: var(--primary-navy);
  stroke-width: 2.5;
  fill: none;
  display: block;
  pointer-events: none;
  transition: all 0.2s ease;
}

.side-arrow:hover {
  background: var(--primary-navy);
  border-color: var(--primary-navy);
  transform: translateY(-50%) scale(1.1);
}

.side-arrow:hover svg {
  stroke: #ffffff;
}

.prev-arrow {
  left: -20px;
}

.next-arrow {
  right: -20px;
}

@media (max-width: 768px) {
  .prev-arrow { left: 5px; }
  .next-arrow { right: 5px; }
}

.awards-slider-track {
  display: flex;
  gap: 1.5rem;
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 0.5rem 0.5rem 1.2rem 0.5rem;
  scrollbar-width: none;
}

.awards-slider-track::-webkit-scrollbar {
  display: none;
}

.award-slide-card {
  flex: 0 0 350px;
  height: 220px;
  background: #ffffff;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  position: relative;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.award-slide-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px rgba(0, 75, 147, 0.16);
  border-color: var(--royal-blue);
}

.award-slide-card img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
  margin: 0 auto;
  transition: transform 0.4s ease;
}

.award-slide-card:hover img {
  transform: scale(1.03);
}

.slide-overlay-zoom {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(3, 11, 23, 0.88), transparent);
  color: #ffffff;
  padding: 0.8rem;
  font-size: 0.85rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.award-slide-card:hover .slide-overlay-zoom {
  opacity: 1;
}

/* Bottom Navigation Dots */
.slider-dots-wrapper {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.slider-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-light);
  cursor: pointer;
  transition: all 0.3s ease;
}

.slider-dot.active {
  width: 28px;
  border-radius: 12px;
  background: var(--royal-blue);
}