/* AIR.2026 polish layer: typography, depth, spacing and states.
   Same palette (--primary #1363C6, --secondary #15ACE1, --light, --dark), same fonts
   (Ubuntu headings, Open Sans body), same layout. Every rule refines an element
   that already exists. Revert: remove the polish.css include
   (backup: archive/air-live-backup-2026-09-29). */

:root {
  --ink: #14183E;
  --ring: rgba(19, 99, 198, .16);
  --hair: rgba(20, 24, 62, .08);
  --sh-1: 0 1px 2px rgba(20, 24, 62, .05), 0 2px 6px rgba(20, 24, 62, .04);
  --sh-2: 0 1px 2px rgba(20, 24, 62, .05), 0 10px 30px -10px rgba(20, 24, 62, .16);
  --sh-3: 0 2px 4px rgba(20, 24, 62, .06), 0 24px 50px -18px rgba(19, 99, 198, .35);
  --r: 18px;
  --ease: cubic-bezier(.2, .8, .2, 1);
}

/* ---------------------------------------------------------------- type */
html { scroll-padding-top: 90px; }
body { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; text-rendering: optimizeLegibility; line-height: 1.7; }
h1, h2, h3, .display-4 { letter-spacing: -.02em; text-wrap: balance; }
h4, h5, h6 { letter-spacing: -.005em; text-wrap: balance; }
p, li { text-wrap: pretty; }
.display-4 { line-height: 1.08; }
::selection { background: rgba(21, 172, 225, .28); color: inherit; }
html { scrollbar-width: thin; scrollbar-color: rgba(19, 99, 198, .55) transparent; }

/* ---------------------------------------------------------------- focus */
a:focus-visible, .btn:focus-visible, .accordion-button:focus-visible, .nav-link:focus-visible {
  outline: 2px solid var(--secondary); outline-offset: 3px; box-shadow: none;
}
.accordion-button:focus { box-shadow: none; }

/* ---------------------------------------------------------------- navbar */
.sticky-top { transition: top .5s var(--ease), background-color .35s ease, box-shadow .35s ease; }
.sticky-top.bg-primary { box-shadow: 0 1px 0 rgba(255, 255, 255, .08), 0 10px 30px -12px rgba(20, 24, 62, .45) !important; }
.navbar-brand h1 { letter-spacing: -.03em; }
.navbar .navbar-nav .nav-link { position: relative; font-weight: 500; transition: color .25s ease; }
@media (min-width: 992px) {
  .navbar .navbar-nav .nav-link::before {
    content: ""; position: absolute; left: 0; right: 0; bottom: -8px; height: 2px; border-radius: 2px;
    background: currentColor; transform: scaleX(0); transform-origin: 0 50%; transition: transform .35s var(--ease);
  }
  .navbar .navbar-nav .nav-link:hover::before { transform: scaleX(1); }
  .navbar .nav-item .dropdown-menu { border-radius: 12px; padding: .4rem; box-shadow: var(--sh-2); border: 1px solid var(--hair) !important; }
}
.dropdown-item { border-radius: 8px; padding: .5rem .85rem; font-weight: 500; transition: background-color .2s ease, color .2s ease; }
.dropdown-item:hover, .dropdown-item:focus { background: rgba(19, 99, 198, .08); color: var(--primary); }

/* ---------------------------------------------------------------- eyebrow pills
   (the template's "About Us", "Leadership", "Our Team" labels) */
div.btn.btn-sm.border.rounded-pill {
  display: inline-block; cursor: default;
  font-size: .74rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; line-height: 1;
  padding: .55rem .95rem !important;
  background: rgba(19, 99, 198, .06); border-color: rgba(19, 99, 198, .22) !important;
}
div.btn.btn-sm.border.rounded-pill::before {
  content: ""; display: inline-block; vertical-align: .12em; margin-right: .55rem; width: 6px; height: 6px; border-radius: 50%; background: currentColor;
  box-shadow: 0 0 0 0 currentColor; animation: pl-ping 2.4s ease-out infinite;
}
div.btn.btn-sm.border.rounded-pill.text-white { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .35) !important; }
.hero-header div.btn.btn-sm.border.rounded-pill { text-transform: none; letter-spacing: .04em; font-size: .8rem; }
@keyframes pl-ping { 0% { box-shadow: 0 0 0 0 rgba(21, 172, 225, .55); } 70%, 100% { box-shadow: 0 0 0 7px rgba(21, 172, 225, 0); } }

/* ---------------------------------------------------------------- buttons */
.btn.btn-lg.rounded-pill, .btn.rounded-pill.px-4, .btn.rounded-pill.px-5 {
  font-weight: 600; letter-spacing: .005em; padding-block: .8rem; transition: transform .3s var(--ease), box-shadow .3s ease, background-color .3s ease, color .3s ease, border-color .3s ease;
}
.btn.btn-lg.rounded-pill { padding-inline: 1.6rem; font-size: 1.05rem; }
.btn-danger.rounded-pill { box-shadow: 0 10px 24px -10px rgba(220, 53, 69, .8); }
.btn-light.rounded-pill { box-shadow: 0 10px 24px -12px rgba(20, 24, 62, .55); }
.btn-primary.rounded-pill { box-shadow: 0 10px 24px -10px rgba(19, 99, 198, .7); }
.btn.btn-lg.rounded-pill:hover, .btn.rounded-pill.px-4:hover, .btn.rounded-pill.px-5:hover { transform: translateY(-2px); }
.btn.btn-lg.rounded-pill:active, .btn.rounded-pill.px-4:active, .btn.rounded-pill.px-5:active { transform: translateY(0); }
.btn-outline-light.rounded-pill { border-width: 1.5px; }
.back-to-top { box-shadow: 0 12px 28px -10px rgba(19, 99, 198, .8); }

/* ---------------------------------------------------------------- hero */
.hero-header { position: relative; }
.hero-header::after {                                   /* hairline where the hero meets the page */
  content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 1px; z-index: 1; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .55), transparent);
}
.hero-header h4 { font-weight: 500 !important; opacity: .95; }
.hero-header h6 { font-weight: 500 !important; line-height: 1.75; opacity: .9; }


/* ---------------------------------------------------------------- announcement bar */
.alert.alert-success.text-center {
  border: 0; border-radius: 0; margin: 0; padding: .85rem 1rem;
  background: linear-gradient(90deg, rgba(209, 231, 221, .6), #d1e7dd 30%, #d1e7dd 70%, rgba(209, 231, 221, .6));
  box-shadow: inset 0 1px 0 rgba(15, 81, 50, .1), inset 0 -1px 0 rgba(15, 81, 50, .1);
  font-weight: 600 !important; letter-spacing: .01em;
}
.alert.fx-box > .fx-hud, .alert.fx-box > .fx-ring, .alert.fx-box > .fx-scan { display: none; }

/* ---------------------------------------------------------------- video */
.ratio.rounded.shadow {
  border-radius: var(--r) !important; overflow: hidden; background: #0b1030;
  box-shadow: 0 0 0 1px var(--hair), 0 40px 80px -30px rgba(20, 24, 62, .55), 0 18px 36px -18px rgba(19, 99, 198, .35) !important;
}
.ratio > video, .ratio > iframe { object-fit: contain; background: #0b1030; }

/* ---------------------------------------------------------------- about */
.custom-about-img img { border-radius: var(--r); }
.custom-about-text > p:first-of-type { font-size: 1.08rem; color: #3b4065; }
.custom-about-text h4 { color: var(--ink); }
.custom-about-text h5 {
  position: relative; padding-left: 1.1rem; margin-top: 1.4rem; margin-bottom: .35rem; color: var(--primary);
}
.custom-about-text h5::before {
  content: ""; position: absolute; left: 0; top: .2em; bottom: .2em; width: 3px; border-radius: 3px;
  background: linear-gradient(180deg, var(--secondary), var(--primary));
}
.custom-about-text h5 + p { padding-left: 1.1rem; color: #5a5f7d; }

/* ---------------------------------------------------------------- why choose us */
.feature .btn-sm-square { box-shadow: 0 0 0 5px rgba(255, 255, 255, .14); flex: none; }
.feature .d-flex.align-items-center span { font-weight: 500; }
.feature .d-flex.align-items-center { padding: .55rem .9rem .55rem .55rem; border-radius: 999px; transition: background-color .3s ease; width: fit-content; max-width: 100%; }
.feature .d-flex.align-items-center:hover { background: rgba(255, 255, 255, .08); }
.feature img.img-fluid { filter: drop-shadow(0 30px 40px rgba(10, 20, 60, .35)); }

/* ---------------------------------------------------------------- cards (leadership, team, history, registration) */
.card, .team-item {
  border-radius: var(--r) !important; border: 1px solid var(--hair) !important; box-shadow: var(--sh-2) !important;
  background: #fff;
}
.card:hover, .team-item:hover { box-shadow: var(--sh-3) !important; border-color: rgba(19, 99, 198, .25) !important; }
.card .card-body { padding: 2rem 1.5rem; }
.card img.rounded-circle { box-shadow: 0 0 0 6px #fff, 0 0 0 7px var(--ring), 0 18px 30px -14px rgba(20, 24, 62, .35) !important; transition: box-shadow .4s ease; }
.card:hover img.rounded-circle { box-shadow: 0 0 0 6px #fff, 0 0 0 8px rgba(21, 172, 225, .55), 0 22px 36px -14px rgba(19, 99, 198, .45) !important; }
.card h5, .team-item h5 { color: var(--ink); margin-bottom: .3rem; }
.card .text-muted, .team-item .text-muted, .team-item small { font-size: .9rem; }
.team-item .btn-square { transition: transform .3s var(--ease), box-shadow .3s ease; }
.team-item .btn-square:hover { transform: translateY(-2px); box-shadow: 0 8px 18px -8px rgba(19, 99, 198, .8); }

/* team: the intro column stays in view beside the tall grid of cards */
@media (min-width: 992px) {
  .bg-light .row.align-items-center > .col-lg-5 { position: sticky; top: 110px; align-self: flex-start; padding-top: 3rem; }
}

/* ---------------------------------------------------------------- FAQ */
.accordion .accordion-item { border-radius: 14px !important; overflow: hidden; border: 1px solid var(--hair) !important; box-shadow: var(--sh-1); transition: box-shadow .3s ease, border-color .3s ease; }
.accordion .accordion-item:hover { box-shadow: var(--sh-2); border-color: rgba(19, 99, 198, .22) !important; }
.accordion .accordion-button { font-weight: 600; padding: 1.05rem 1.3rem; border-radius: 0 !important; color: var(--ink); transition: background-color .3s ease, color .3s ease; }
.accordion .accordion-button:not(.collapsed) { color: #fff; }
.accordion .accordion-body { padding: 1rem 1.3rem 1.3rem; color: #5a5f7d; }

/* ---------------------------------------------------------------- tables and badges (schedule) */
.table { border-radius: 14px; overflow: hidden; border-collapse: separate; border-spacing: 0; box-shadow: var(--sh-1); }
.table.table-bordered { border: 1px solid var(--hair); }
.table > :not(caption) > * > * { padding: .85rem 1rem; }
.table thead th, .table .table-light th { font-weight: 600; letter-spacing: .02em; }
.table tbody tr { transition: background-color .2s ease; }
.table tbody tr:hover > * { background-color: rgba(19, 99, 198, .04); }
.badge.rounded-pill { font-weight: 600; letter-spacing: .02em; padding: .45em .8em; }

/* ---------------------------------------------------------------- forms (registration) */
.form-control, .form-select { border-radius: 10px; border-color: rgba(20, 24, 62, .15); padding: .7rem .95rem; transition: border-color .2s ease, box-shadow .2s ease; }
.form-control:focus, .form-select:focus { border-color: var(--primary); box-shadow: 0 0 0 4px var(--ring); }

/* ---------------------------------------------------------------- closing CTA */
.container-fluid.bg-primary.text-white.text-center h2 { letter-spacing: -.02em; color: #fff; }   /* the block is text-white; the template's heading colour overrode it */

/* ---------------------------------------------------------------- footer */
.footer h5, .footer h4 { position: relative; padding-bottom: .7rem; }
.footer h5::after, .footer h4::after { content: ""; position: absolute; left: 0; bottom: 0; width: 28px; height: 2px; border-radius: 2px; background: var(--secondary); }
.footer .btn.btn-social { transition: color .3s ease, background-color .3s ease, border-color .3s ease, transform .3s var(--ease); }
.footer .btn.btn-social:hover { background: #fff; border-color: #fff; transform: translateY(-2px); }
.footer .btn.btn-link:hover { letter-spacing: normal; transform: translateX(4px); }
.footer .btn.btn-link { transition: color .3s ease, transform .3s var(--ease); }

@media (prefers-reduced-motion: reduce) {
  div.btn.btn-sm.border.rounded-pill::before { animation: none; }
  .btn.btn-lg.rounded-pill:hover, .btn.rounded-pill.px-4:hover, .btn.rounded-pill.px-5:hover, .footer .btn.btn-social:hover, .footer .btn.btn-link:hover { transform: none; }
}

/* the fx sweep read as a glitch line in stills; keep it as a faint shimmer */
.fx-band > .fx-sweep { opacity: .35; background: linear-gradient(180deg, transparent, rgba(21, 172, 225, .08) 90%, rgba(255, 255, 255, .12) 100%); }