* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
  }
  
  html {
    scroll-behavior: smooth;
  }
  
  body {
    font-family: Arial, sans-serif;
    background: #eef3f8;
    color: #1e293b;
    line-height: 1.6;
  }
  
  .site-header {
    background: #14213d;
    padding: 12px 6%;
    position: sticky;
    top: 0;
    z-index: 1000;
  }
  
  .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .logo {
    display: flex;
    align-items: center;
    gap: 20px;
    text-decoration: none;
  }
  
  .logo img {
    width: 95px;
    height: 95px;
    object-fit: contain;
    margin-left: -15px;
  }
  
  .logo span {
    color: white;
    font-size: 34px;
    font-weight: 700;
  }
  
  .nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
    align-items: center;
  }
  
  .nav-links a {
    color: white;
    text-decoration: none;
    font-size: 17px;
    font-weight: 600;
  }
  
  .nav-links a:hover {
    color: #93c5fd;
  }
  
  .dropdown {
    position: relative;
  }
  
  .dropdown-menu {
    display: none;
    position: absolute;
    top: 32px;
    left: 0;
    background: #1e3a5f;
    list-style: none;
    min-width: 240px;
    border-radius: 8px;
    padding: 10px 0;
  }
  
  .dropdown-menu li a {
    display: block;
    padding: 10px 18px;
    font-size: 15px;
  }
  
  .dropdown:hover .dropdown-menu {
    display: block;
  }
  
  .menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 34px;
    cursor: pointer;
  }
  
  .hero-section {
    min-height: 85vh;
    display: flex;
    align-items: center;
    padding: 90px 8%;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #e8edf5 0%, #dbe4f0 50%, #eef3f8 100%);
  }
  
  .hero-section::after {
    content: "";
    position: absolute;
    right: -140px;
    top: -100px;
    width: 520px;
    height: 520px;
    background: rgba(20, 33, 61, 0.08);
    border-radius: 50%;
  }
  
  .hero-content {
    max-width: 850px;
    position: relative;
    z-index: 2;
  }
  
  .small-heading {
    color: #14213d;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 15px;
  }
  
  .hero-content h1 {
    font-size: 64px;
    line-height: 1.08;
    margin-bottom: 25px;
    color: #1e293b;
  }
  
  .hero-content p {
    font-size: 22px;
    color: #475569;
    max-width: 750px;
    margin-bottom: 32px;
  }
  
  .primary-btn,
  .secondary-btn {
    display: inline-block;
    padding: 15px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    margin-right: 12px;
  }
  
  .primary-btn {
    background: #14213d;
    color: white;
  }
  
  .secondary-btn {
    border: 2px solid #14213d;
    color: #14213d;
  }
  
  .highlights {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    padding: 40px 8%;
    background: white;
  }
  
  .highlights div {
    background: #14213d;
    color: white;
    text-align: center;
    padding: 25px;
    border-radius: 12px;
    font-weight: 700;
    font-size: 18px;
  }
  
  .about-section,
  .services-section,
  .projects-section,
  .contact-section {
    padding: 90px 8%;
  }
  
  .about-section,
  .projects-section {
    background: white;
  }
  
  .services-section,
  .contact-section {
    background: #eef3f8;
  }
  
  .about-text {
    max-width: 850px;
  }
  
  .about-text h2,
  .services-section h2,
  .projects-section h2,
  .contact-text h2 {
    font-size: 40px;
    margin-bottom: 18px;
    color: #14213d;
  }
  
  .about-text p,
  .contact-text p {
    font-size: 18px;
    color: #475569;
  }
  
  .services-section,
  .projects-section {
    text-align: center;
  }
  
  .service-cards,
  .project-gallery {
    margin-top: 40px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
  }
  
  .service-card,
  .project-card,
  .contact-form {
    background: white;
    padding: 28px;
    border-radius: 16px;
    box-shadow: 0 8px 22px rgba(0, 0, 0, 0.08);
  }
  
  .project-card {
    background: #eef3f8;
  }
  
  .service-card h3,
  .project-card h3 {
    margin-bottom: 12px;
    font-size: 23px;
    color: #14213d;
  }
  
  .service-card p,
  .project-card p {
    color: #475569;
  }
  
  .contact-section {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 45px;
    align-items: center;
    padding: 90px 8%;
  }
  
  .contact-form input,
  .contact-form select,
  .contact-form textarea {
    width: 100%;
    padding: 15px;
    margin-bottom: 15px;
    border: 1px solid #cbd5e1;
    border-radius: 8px;
    font-size: 15px;
  }
  
  .contact-form textarea {
    min-height: 140px;
  }
  
  .contact-form button {
    width: 100%;
    padding: 15px;
    background: #14213d;
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
  }
  
  .contact-form button:hover {
    background: #1e3a5f;
  }
  
  .site-footer {
    background: #14213d;
    color: white;
    padding: 45px 8%;
    text-align: center;
  }
  
  .site-footer h3 {
    margin-bottom: 10px;
  }
  
  .site-footer p {
    margin-bottom: 6px;
  }
  
  .copyright {
    margin-top: 22px;
    opacity: 0.85;
  }
  
  @media (max-width: 900px) {
    .navbar {
      position: relative;
    }
  
    .logo img {
      width: 70px;
      height: 70px;
      margin-left: 0;
    }
  
    .logo span {
      font-size: 22px;
    }
  
    .menu-toggle {
      display: block;
    }
  
    .nav-links {
      display: none;
      position: absolute;
      top: 88px;
      right: 0;
      width: 260px;
      background: #14213d;
      flex-direction: column;
      gap: 0;
      padding: 15px;
      border-radius: 0 0 12px 12px;
    }
  
    .nav-links.active {
      display: flex;
    }
  
    .nav-links li {
      width: 100%;
      padding: 10px 0;
    }
  
    .dropdown-menu {
      position: static;
      background: #1e3a5f;
      margin-top: 10px;
      width: 100%;
    }
  
    .dropdown:hover .dropdown-menu {
      display: none;
    }
  
    .dropdown.open .dropdown-menu {
      display: block;
    }
  
    .hero-content h1 {
      font-size: 40px;
    }
  
    .hero-content p {
      font-size: 18px;
    }
  
    .highlights,
    .service-cards,
    .project-gallery,
    .contact-section {
      grid-template-columns: 1fr;
    }
  }


  .service-card,
.project-card,
.highlights div {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-card:hover,
.project-card:hover,
.highlights div:hover {
  transform: translateY(-8px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.14);
}

.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: 0.7s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.floating-chat {
    position: fixed;
    bottom: 18px;
    right: 18px;

    width: 52px;
    height: 52px;

    background: #14213d;
    color: white;

    border-radius: 50%;

    display: flex;
    align-items: center;
    justify-content: center;

    text-decoration: none;
    font-size: 22px;

    box-shadow: 0 8px 25px rgba(0,0,0,.25);

    z-index: 999;
    transition: .3s;
}

.floating-chat:hover {
    transform: scale(1.1);
    background: #1e3a5f;
}

  @media (max-width: 768px) {
    .floating-chat {
      left: 16px;
      right: 16px;
      bottom: 16px;
      text-align: center;
    }
  }

  .game-section {
    padding: 80px 8%;
    background: white;
    text-align: center;
  }
  
  .game-section h2 {
    font-size: 40px;
    color: #14213d;
    margin-bottom: 10px;
  }
  
  .game-options {
    margin: 30px auto;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    max-width: 1000px;
  }
  
  .game-options button {
    padding: 20px;
    border: none;
    border-radius: 14px;
    background: #14213d;
    color: white;
    font-size: 17px;
    font-weight: 700;
    cursor: pointer;
    transition: 0.3s;
  }
  
  .game-options button:hover {
    background: #1e3a5f;
    transform: translateY(-5px);
  }
  
  .game-result {
    color: #14213d;
    font-size: 24px;
    margin-top: 20px;
  }
  
  @media (max-width: 900px) {
    .game-options {
      grid-template-columns: 1fr;
    }
  }

  

  .quiz-section {
    background: white;
    padding: 55px 8%;
    text-align: center;
  }
  
  .quiz-section h2 {
    color: #14213d;
    font-size: 34px;
    margin-bottom: 10px;
  }
  
  .quiz-section p {
    color: #475569;
  }
  
  .quiz-options {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
    margin: 28px auto;
    max-width: 950px;
  }
  
  .quiz-options button {
    background: #14213d;
    color: white;
    border: none;
    padding: 18px;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
  }
  
  .quiz-options button:hover {
    background: #1e3a5f;
  }
  
  .quiz-result {
    font-size: 20px;
    font-weight: 700;
    color: #14213d;
  }
  
  @media (max-width: 900px) {
    .quiz-options {
      grid-template-columns: 1fr;
    }
  }

  
/* ===== RBC PROJECT PORTFOLIO ===== */

.projects-section {
  padding: 90px 8%;
  background: #ffffff;
  text-align: center;
}

.projects-intro {
  max-width: 650px;
  margin: 0 auto 30px;
  font-size: 18px;
  color: #64748b;
}

/* Project category buttons */
.project-filters {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 35px 0;
}

.filter-btn {
  padding: 12px 24px;
  border: 2px solid #14213d;
  border-radius: 30px;
  background: white;
  color: #14213d;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
  transition: 0.3s ease;
}

.filter-btn:hover,
.filter-btn.active {
  background: #14213d;
  color: white;
}

/* Gallery layout */
.project-gallery {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 25px;
  margin-top: 35px;
}

/* Individual project cards */
.project-card {
  padding: 0;
  background: #f8fafc;
  border-radius: 16px;
  overflow: hidden;
  text-align: left;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 18px 35px rgba(20, 33, 61, 0.18);
}

/* Construction photos */
.project-card img {
  display: block;
  width: 100%;
  height: 260px;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.project-card:hover img {
  transform: scale(1.04);
}

.project-card h3 {
  padding: 20px 20px 5px;
  margin: 0;
  color: #14213d;
  font-size: 22px;
}

.project-card p {
  padding: 0 20px 22px;
  color: #64748b;
  font-size: 15px;
}

/* Hide projects when filtering */
.project-card.hidden {
  display: none;
}

/* Tablet */
@media (max-width: 900px) {
  .project-gallery {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Mobile */
@media (max-width: 600px) {
  .project-gallery {
    grid-template-columns: 1fr;
  }

  .project-card img {
    height: 230px;
  }

  .filter-btn {
    padding: 10px 16px;
    font-size: 13px;
  }
}