@import url('https://fonts.googleapis.com/css2?family=Cairo:wght@400;700;800&display=swap');
:root {
  --navy: #0e2038;
  --gold: #c5a059;
  --gold-hover: #b08c46;
  --dark: #121820;
  --light: #f8fafc;
  --white: #ffffff;
  --gray: #e2e8f0;
  --muted: #64748b;
  --shadow: 0 10px 30px rgba(0,0,0,0.08);
  --transition: all 0.3s ease;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-family: 'Cairo', sans-serif;
}

body {
  background-color: var(--white);
  color: var(--dark);
  line-height: 1.7;
}

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

/* Header & Nav */
.nav {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(14, 32, 56, 0.95);
  backdrop-filter: blur(10px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 5%;
  color: var(--white);
  box-shadow: 0 4px 20px rgba(0,0,0,0.15);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.2rem;
}

.brand img {
  height: 42px;
  width: auto;
}

nav {
  display: flex;
  gap: 20px;
}

nav a {
  font-size: 0.95rem;
  font-weight: 600;
  transition: var(--transition);
  opacity: 0.9;
}

nav a:hover {
  color: var(--gold);
  opacity: 1;
}

.lang-switch {
  display: flex;
  gap: 5px;
}

.lang-switch button {
  background: transparent;
  border: 1px solid var(--gold);
  color: var(--white);
  padding: 4px 10px;
  border-radius: 4px;
  cursor: pointer;
  font-weight: 700;
  transition: var(--transition);
}

.lang-switch button.active, .lang-switch button:hover {
  background: var(--gold);
  color: var(--navy);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--navy) 0%, #1a365d 100%);
  color: var(--white);
  padding: 80px 5% 100px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.hero-content {
  max-width: 650px;
}

.eyebrow {
  color: var(--gold);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 1px;
  display: block;
  margin-bottom: 12px;
}

.hero h1 {
  font-size: 2.8rem;
  line-height: 1.3;
  margin-bottom: 20px;
  font-weight: 800;
}

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

.hero-copy {
  font-size: 1.15rem;
  color: var(--gray);
  margin-bottom: 30px;
}

.hero-logo-wrap img {
  max-width: 320px;
  height: auto;
  filter: drop-shadow(0 15px 25px rgba(0,0,0,0.3));
}

/* Buttons */
.btn {
  display: inline-block;
  background: var(--gold);
  color: var(--navy);
  padding: 12px 28px;
  border-radius: 6px;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(197, 160, 89, 0.3);
}

.btn:hover {
  background: var(--gold-hover);
  transform: translateY(-2px);
}

.btn.secondary {
  background: transparent;
  border: 2px solid var(--gold);
  color: var(--white);
  margin-right: 12px;
}

.btn.secondary:hover {
  background: var(--gold);
  color: var(--navy);
}

.btn-full {
  width: 100%;
  padding: 15px;
  font-size: 1.1rem;
}

/* Sections General */
.section {
  padding: 80px 5%;
}

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

.section-head {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 15px;
}

.section-head span {
  color: var(--gold);
  font-weight: 800;
  font-size: 1.5rem;
}

.section-head h2 {
  font-size: 2.2rem;
  color: var(--navy);
}

.lead {
  color: var(--muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
  max-width: 800px;
}

/* Grids & Cards */
.service-grid, .interactive-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 25px;
}

article, .info-card {
  background: var(--white);
  padding: 30px;
  border-radius: 8px;
  border: 1px solid var(--gray);
  box-shadow: var(--shadow);
  transition: var(--transition);
}

article:hover, .info-card:hover {
  transform: translateY(-5px);
  border-color: var(--gold);
}

article b, .card-number {
  color: var(--gold);
  font-size: 1.8rem;
  display: block;
  margin-bottom: 10px;
}

article h3, .info-card h3 {
  color: var(--navy);
  margin-bottom: 12px;
  font-size: 1.3rem;
}

/* Government Projects Section */
.gov-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.gov-card {
  background: var(--white);
  border-radius: 10px;
  padding: 30px;
  border-top: 4px solid var(--gold);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
}

.gov-card:hover {
  transform: translateY(-5px);
}

.gov-badge {
  background: var(--navy);
  color: var(--gold);
  font-size: 0.75rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 20px;
  display: inline-block;
  margin-bottom: 15px;
}

.gov-card h3 {
  color: var(--navy);
  font-size: 1.3rem;
  margin-bottom: 12px;
}

.gov-card p {
  color: var(--muted);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.gov-specs {
  list-style: none;
  border-top: 1px solid var(--gray);
  padding-top: 15px;
  font-size: 0.88rem;
}

.gov-specs li {
  margin-bottom: 6px;
  color: var(--dark);
}

.gov-specs li strong {
  color: var(--navy);
}

/* Gallery & Equipment */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 20px;
}

.gallery-item {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: var(--shadow);
  cursor: pointer;
  height: 220px;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

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

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(14, 32, 56, 0.9));
  color: var(--white);
  padding: 15px;
  font-weight: 600;
  font-size: 0.95rem;
}

/* Cost Estimator & Forms */
.estimator-card {
  background: var(--white);
  padding: 40px;
  border-radius: 12px;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray);
  max-width: 900px;
  margin: 0 auto;
}

.form-row {
  display: flex;
  gap: 20px;
  margin-bottom: 20px;
}

.form-group {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 20px;
}

.form-group label {
  font-weight: 700;
  color: var(--navy);
  font-size: 0.95rem;
}

.form-group input, .form-group select, .form-group textarea {
  padding: 12px 15px;
  border: 1px solid var(--gray);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: var(--transition);
}

.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  outline: none;
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.15);
}

/* Contact Links */
.contact-link {
  color: var(--navy);
  font-weight: 700;
  transition: var(--transition);
}

.contact-link:hover {
  color: var(--gold);
}

.phone-list {
  list-style: none;
  margin-top: 10px;
}

.phone-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}

/* Dynamic WhatsApp Float Button */
.whatsapp-float {
  position: fixed;
  bottom: 25px;
  left: 25px;
  background-color: #25d366;
  color: #fff;
  border-radius: 50px;
  padding: 12px 18px;
  display: flex;
  align-items: center;
  gap: 10px;
  box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
  z-index: 999;
  transition: var(--transition);
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: translateY(-4px) scale(1.03);
}

.wa-tooltip {
  font-size: 0.85rem;
  font-weight: 700;
  white-space: nowrap;
}

/* Modals & Lightbox */
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 2000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(4px);
}

.modal-content, .lightbox-box {
  position: relative;
  background: var(--white);
  padding: 30px;
  border-radius: 12px;
  max-width: 800px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  z-index: 2001;
}

.lightbox-box {
  background: transparent;
  padding: 0;
  text-align: center;
  max-width: 90vw;
}

.lightbox-box img {
  max-width: 100%;
  max-height: 75vh;
  border-radius: 8px;
}

.lightbox-caption {
  color: var(--white);
  margin-top: 10px;
  font-weight: 700;
}

.modal-close {
  position: absolute;
  top: 10px;
  right: 15px;
  background: transparent;
  border: none;
  font-size: 2rem;
  color: var(--white);
  cursor: pointer;
}

.modal-gallery {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.modal-gallery img {
  width: 100%;
  border-radius: 6px;
  cursor: pointer;
}

/* Footer */
footer {
  background: var(--navy);
  color: var(--gray);
  text-align: center;
  padding: 40px 5%;
  border-top: 3px solid var(--gold);
}

footer img {
  height: 50px;
  margin-bottom: 15px;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
    text-align: center;
    padding-top: 40px;
  }

  .nav {
    flex-direction: column;
    gap: 15px;
  }

  nav {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
  }

  .form-row {
    flex-direction: column;
    gap: 0;
  }

  .hero h1 {
    font-size: 2.1rem;
  }

  .wa-tooltip {
    display: none;
  }
}