/* =========================
   Global Variables & Base
   ========================= */
:root {
  --raf-blue:#002147;
  --cadet-red:#C91F37;
  --slate:#334155;
  --light:#F4F6F9;
  --white:#FFFFFF;
}

body {
  font-family: Inter, sans-serif;
  background: var(--light);
  color: var(--slate);
}

h1,h2,h3,h4,h5 {
  font-family: Montserrat, sans-serif;
  font-weight:700;
}

/* =========================
   Navbar
   ========================= */
.navbar {
  background: rgba(255,255,255,0.9);
  backdrop-filter: blur(8px);
}

.navbar-brand span {
  font-weight:700;
  color: var(--raf-blue);
}

.navbar .nav-link {
  color: var(--slate);
  transition:0.3s;
}

.navbar .nav-link.active,
.navbar .nav-link:hover {
  color: var(--cadet-red);
}

/* Force collapsed nav menu to centre on mobile */
@media (max-width: 991.98px) { /* Bootstrap lg breakpoint */
  .navbar-collapse {
    justify-content: center !important;
    text-align: center;
  }
  .navbar-nav {
    margin: 0 auto;
  }
  .navbar-nav .nav-item {
    display: inline-block;
  }
}


/* =========================
   Buttons
   ========================= */
.btn-brand {
  background: var(--raf-blue);
  color:#fff;
  border-radius:30px;
  padding:0.6rem 1.4rem;
  transition:0.3s;
}

.btn-brand:hover {
  background:#001633;
  transform:scale(1.05);
}

.btn-outline-brand {
  border:2px solid var(--raf-blue);
  color:var(--raf-blue);
  border-radius:30px;
  padding:0.6rem 1.4rem;
  transition:0.3s;
}

.btn-outline-brand:hover {
  background:var(--raf-blue);
  color:#fff;
  transform:scale(1.05);
}

/* =========================
   Hero Sections
   ========================= */
/* Video/Image Hero */
.hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('images/hero.jpeg') no-repeat center center/cover;
}
.hero-bg::after {
  content:"";
  position:absolute;
  inset:0;
  background: linear-gradient(
    to right,
    rgba(0,33,71,0.6),   /* RAF blue */
    rgba(201,31,55,0.6)  /* Cadet red */
  );
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  padding: 2rem;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  text-shadow: 0 2px 6px rgba(0,0,0,0.4);
}
.hero p {
  text-shadow: 0 1px 4px rgba(0,0,0,0.3);
}

/* Gradient Hero (Join Us page) */
.hero-gradient {
  background:linear-gradient(135deg,var(--raf-blue),var(--cadet-red));
  color:#fff;
  padding:5rem 2rem;
  text-align:center;
}

/* =========================
   Section Titles
   ========================= */
.section-title {
  color: var(--raf-blue);
  margin-bottom:1rem;
  position:relative;
}

.section-title::after {
  content:"";
  display:block;
  width:60px;
  height:3px;
  background:var(--cadet-red);
  margin-top:8px;
}

/* =========================
   Cards
   ========================= */
.card {
  border:none;
  border-radius:20px;
  backdrop-filter: blur(8px);
  background:rgba(255,255,255,0.85);
  box-shadow:0 8px 24px rgba(0,0,0,0.1);
  transition:0.3s;
}

.card:hover {
  transform:translateY(-6px);
  box-shadow:0 12px 28px rgba(0,0,0,0.15);
}

/* =========================
   Footer
   ========================= */
.footer {
  background: var(--raf-blue);
  color:#fff;
  padding:40px 0;
  margin-top:60px;
}

.footer a {
  color:#fff;
  text-decoration:none;
}

/* Offset for fixed-top navbar */
.page-with-fixed-nav {
  padding-top: 76px; /* adjust if your navbar is taller/shorter */
}

/* Utility: rounded, shadowed iframe wrapper like cards */
.embed-card {
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0,0,0,0.1);
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(8px);
}

/* Ensure equal visual height for map/details panel */
.panel-equal {
  min-height: 360px; /* matches typical map height */
}

/* Optional: ensure navbar toggler icon is visible on light bg */
.navbar.navbar-light .navbar-toggler {
  border: none;
}
.navbar.navbar-light .navbar-toggler-icon {
  background-image: var(--bs-navbar-toggler-icon-bg);
}

/* Custom brand button */
.btn-brand {
  background: var(--raf-blue); /* or your gradient */
  color: #fff;                 /* keep text white */
  border: none;
}

.btn-brand:hover,
.btn-brand:focus {
  background: var(--cadet-red); /* or darker shade for hover */
  color: #fff;                  /* force text to stay white */
}