:root {
  --rkbi-blue: #0b3c5d;
  --rkbi-light-blue: #1f6fa8;
  --rkbi-grey: #f4f6f8;
  --rkbi-dark: #1c1c1c;
  --rkbi-accent: #f7931e;
}

body {
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--rkbi-dark);
}

html,
body {
  overflow-x: hidden;
  width: 100%;
}

/* ---------- NAVBAR ON HERO ---------- */
.navbar-hero {
  background: transparent;
  padding: 20px 0;
  transition: all 0.3s ease;
}

.navbar-hero .navbar-brand {
  font-size: 2rem;
  font-weight: 800;
  letter-spacing: 2px;
  color: #fff !important;
}

.navbar-hero .nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-weight: 600;
  margin-left: 20px;
}

.navbar-hero .nav-link:hover {
  color: #ffffff !important;
}

/* Navbar after scroll */
.navbar.scrolled {
  background: #ffffff;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.12);
  /* padding-bottom: 0; */
}

.navbar.scrolled .navbar-brand,
.navbar.scrolled .nav-link {
  color: var(--rkbi-blue) !important;
}

.navbar-brand .navbar-logo {
  height: 80px;
  /* adjust as needed */
  width: auto;
  transition: height 0.3s ease;
}

/* When scrolled – smaller logo */
.navbar.scrolled .navbar-logo {
  height: 50px;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  background:
    linear-gradient(rgba(11, 60, 93, 0.55),
      rgba(11, 60, 93, 0.35)),
    url("images/hero-bg-2.png") center 60% / cover no-repeat;

  color: #ffffff;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.hero-content {
  max-width: 680px;
}

/* Headline */
.hero-title {
  font-size: clamp(2.4rem, 4vw, 3.4rem);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 20px;
  animation: fadeUp 0.8s ease forwards;
}

.hero-title span {
  display: block;
  color: #ffffff;
}

/* Subtitle */
.hero-subtitle {
  font-size: 1.1rem;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.2s;
}

/* Buttons */
.hero-actions {
  margin-top: 30px;
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.4s;
}

.hero .btn-primary {
  background-color: var(--rkbi-light-blue);
  border: none;
}

/* Bottom angled split */
.hero::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 140px;
  background: #ffffff;
  clip-path: polygon(0 70%, 100% 0, 100% 100%, 0 100%);
}

/* Animations */
@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(28px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* ---------- SECTION STYLING ---------- */
section {
  padding: 80px 0;
}

.section-title {
  font-weight: 700;
  color: var(--rkbi-blue);
  margin-bottom: 40px;
}





/* =========================
   SERVICES SECTION
========================= */

.services-section {
  background-color: #f8f9fa;
}

/* Section title (optional tweak) */
.section-title {
  font-weight: 700;
  letter-spacing: 0.5px;
}

/* Service Card */
.service-card {
  background: #ffffff;
  border-radius: 18px;
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
  transition: all 0.35s ease;
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 50px rgba(0, 0, 0, 0.12);
}

/* Image */
.service-image {
  width: 100%;
  height: 210px;
  /* works well for 2:1 images */
  overflow: hidden;
}

.service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.service-card:hover .service-image img {
  transform: scale(1.05);
}

/* Header */
.service-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.service-header h4 {
  font-weight: 600;
}

/* Icon */
.service-icon {
  width: 50px;
  height: 50px;
  border-radius: 14px;
  background: rgba(255, 140, 0, 0.15);
  color: var(--rkbi-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

/* Description */
.service-desc {
  color: #6c757d;
  margin-bottom: 18px;
  line-height: 1.6;
}

/* Tags */
.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.service-tags span {
  padding: 6px 14px;
  border-radius: 20px;
  background-color: #f1f3f5;
  font-size: 0.85rem;
  font-weight: 500;
  color: #343a40;
  white-space: nowrap;
}

/* Link */
.service-link {
  font-weight: 600;
  color: var(--rkbi-blue);
  text-decoration: none;
}

.service-link:hover {
  text-decoration: underline;
}

/* Mobile adjustments */
@media (max-width: 576px) {

  .navbar-collapse.show {
    background-color: #ffffff;
  }

  .nav-link {
    color: #0b3c5d !important;
  }

  .service-image {
    height: 160px;
  }

  .service-header {
    flex-direction: row;
  }
}



/* =========================
   ABOUT SECTION
========================= */
.about-section {
  background: linear-gradient(180deg,
      #f6f9fc 0%,
      #ffffff 60%);
  padding: 100px 0;
}

/* Divider that connects hero → about */
.about-divider {
  position: absolute;
  top: -60px;
  left: 0;
  width: 100%;
  height: 60px;
  background: linear-gradient(135deg,
      transparent 50%,
      #f6f9fc 50%);
}

/* Eyebrow label */
.section-eyebrow {
  font-size: 0.8rem;
  letter-spacing: 2px;
  font-weight: 600;
  color: var(--rkbi-accent);
}

/* Image styling */
.about-image-wrapper {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.12);
  border-left: 5px solid var(--rkbi-accent);
}

/* List */
.about-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
}

.about-list i {
  color: var(--rkbi-accent);
  margin-top: 4px;
}

/* Stats */
.about-stat {
  background: #ffffff;
  border-radius: 12px;
  padding: 20px;
  text-align: center;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
}

.about-stat h3 {
  color: var(--rkbi-blue);
  font-weight: 700;
  margin-bottom: 5px;
}




/* =========================
   CONTACT SECTION
========================= */

.contact-section {
  padding: 80px 0;
  background: linear-gradient(180deg,
      rgba(11, 60, 93, 0.06) 0%,
      #ffffff 65%);
}



.contact-banner {
  position: relative;
  border-radius: 18px;
  overflow: hidden;
  height: 100%;
  min-height: 320px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.12);
}

.contact-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(rgba(0, 0, 0, 0.55),
      rgba(0, 0, 0, 0.55));
  color: #fff;
  padding: 40px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.contact-banner-overlay h3 {
  font-weight: 600;
  margin-bottom: 10px;
}

.contact-banner-overlay p {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
}

/* Contact Details */
.contact-details {
  background: #ffffff;
  border-radius: 18px;
  padding: 40px;
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.08);
}

.contact-intro {
  color: #6c757d;
  margin-bottom: 25px;
  line-height: 1.6;
}

.contact-list {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
  font-weight: 500;
  color: #343a40;
}

.contact-list i {
  font-size: 18px;
  color: var(--rkbi-accent);
}

/* Socials */
.contact-socials {
  display: flex;
  gap: 18px;
}

.contact-socials a {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: #f1f3f5;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--rkbi-blue);
  font-size: 18px;
  transition: all 0.3s ease;
  text-decoration: none;
}

.contact-socials a:hover {
  background: var(--rkbi-blue);
  color: #ffffff;
}

/* =========================
   FOOTER
========================= */

.site-footer {
  background-color: #0f172a;
  color: #cbd5e1;
  padding: 40px 0;
}

.footer-content {
  max-width: 900px;
  margin: 0 auto;
}

.footer-main {
  font-size: 0.95rem;
  margin-bottom: 10px;
}

.footer-legal {
  font-size: 0.8rem;
  line-height: 1.6;
  opacity: 0.85;
  margin-bottom: 15px;
}

.footer-tagline {
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 1px;
  color: #ffffff;
}

/* Mobile */
@media (max-width: 768px) {

  .contact-banner {
    min-height: 200px;
  }

  .contact-details {
    padding: 30px;
  }

  .contact-banner-overlay {
    padding: 25px;
  }
}


/* =========================
   GALLERY MODAL
========================= */

.gallery-modal {
  border-radius: 18px;
  overflow: hidden;
}

.gallery-modal .modal-title {
  font-weight: 600;
  color: var(--rkbi-blue);
}

.gallery-modal img {
  height: 70vh;
  object-fit: cover;
}

/* Arrow contrast */
.carousel-control-prev-icon,
.carousel-control-next-icon {
  filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.6));
}

/* Mobile adjustment */
@media (max-width: 768px) {
  .gallery-modal img {
    height: 50vh;
  }
}