/* ==========================================================================
   Gold Academy — Public site layout
   Top bar, header with mega menu, mobile drawer, footer, floating WhatsApp.
   ========================================================================== */

/* ---------- Top bar (contact + secondary logins) ---------- */
.topbar {
  background: var(--navy-900);
  color: rgba(244, 239, 228, .74);
  font-size: var(--fs-xs);
  --c-focus: var(--gold-400);
}
[data-bs-theme="dark"] .topbar { background: #070e1c; border-bottom: 1px solid var(--c-line); }
.topbar .container { display: flex; align-items: center; justify-content: space-between; min-height: 40px; gap: var(--sp-4); }
.topbar ul { list-style: none; margin: 0; padding: 0; display: flex; align-items: center; }
.topbar li { display: inline-flex; align-items: center; gap: var(--sp-2); }
.topbar-info li + li, .topbar-links li + li { margin-inline-start: var(--sp-5); padding-inline-start: var(--sp-5); border-inline-start: 1px solid rgba(244, 239, 228, .14); }
.topbar .icon { color: var(--gold-400); }
.topbar a { color: rgba(244, 239, 228, .82); text-decoration: none; display: inline-flex; align-items: center; gap: var(--sp-2); }
.topbar a:hover { color: var(--gold-300); }
.topbar-social { gap: var(--sp-1) !important; }
.topbar-social a { width: 28px; height: 28px; justify-content: center; border-radius: 50%; }
.topbar-social a:hover { background: rgba(220, 175, 90, .14); }
@media (max-width: 767.98px) { .topbar { display: none; } }

/* ---------- Main header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 1030;
  background: var(--c-surface);
  border-bottom: 1px solid var(--c-line);
  transition: box-shadow var(--dur) var(--ease);
}
.site-header.is-scrolled { box-shadow: 0 8px 24px -16px rgba(15, 27, 51, .35); }
[data-bs-theme="dark"] .site-header.is-scrolled { box-shadow: 0 8px 24px -12px rgba(0, 0, 0, .6); }
.site-header .container {
  position: relative;               /* anchors the mega menu */
  height: var(--header-h);
  display: flex; align-items: center; gap: var(--sp-8);
  transition: height var(--dur) var(--ease);
}
.site-header.is-scrolled .container { height: calc(var(--header-h) - 12px); }

.brand { display: inline-flex; align-items: center; flex-shrink: 0; }
.brand img { height: 46px; width: auto; transition: height var(--dur) var(--ease); }
.site-header.is-scrolled .brand img { height: 40px; }

.main-nav-wrap { margin-inline: auto; height: 100%; }
.main-nav { display: flex; align-items: stretch; height: 100%; gap: var(--sp-2); }
.main-nav > li { list-style: none; display: flex; align-items: center; }
.main-nav .nav-link {
  position: relative; height: 100%;
  display: inline-flex; align-items: center; gap: .35rem;
  padding: 0 .7rem;
  font-weight: 600; font-size: .9375rem; color: var(--c-text-muted);
  white-space: nowrap;
  transition: color var(--dur-fast) var(--ease);
}
/* Gold rule that grows from the centre on hover and marks the current page */
.main-nav .nav-link::after {
  content: ""; position: absolute; inset-inline: .7rem; bottom: -1px; height: 3px;
  border: 0; margin: 0;
  border-radius: 3px 3px 0 0; background: var(--c-accent);
  transform: scaleX(0); transition: transform var(--dur) var(--ease);
}
.main-nav .nav-link:hover, .main-nav .nav-link[aria-expanded="true"] { color: var(--c-heading); }
.main-nav .nav-link:hover::after, .main-nav .nav-link[aria-expanded="true"]::after,
.main-nav .nav-link[aria-current="page"]::after { transform: scaleX(1); }
.main-nav .nav-link[aria-current="page"] { color: var(--c-heading); }
/* Keyboard focus = the same gold rule as hover (no boxed ring around nav items) */
.main-nav .nav-link:focus, .main-nav .nav-link:focus-visible { outline: none; box-shadow: none; }
.main-nav .nav-link:focus-visible { color: var(--c-heading); }
.main-nav .nav-link:focus-visible::after { transform: scaleX(1); }
.main-nav .dropdown-toggle .icon { transition: transform var(--dur-fast) var(--ease); }
.main-nav .dropdown-toggle[aria-expanded="true"] .icon { transform: rotate(180deg); }

/* ---------- Mega menu ---------- */
.dropdown-mega { position: static; }
.mega-menu {
  --bs-dropdown-min-width: 0;
  position: absolute; top: 100% !important; inset-inline: calc(var(--bs-gutter-x) * .5) !important;
  margin-top: 0 !important; transform: none !important;
  padding: var(--sp-6);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
  border-top: 0;
}
.mega-menu.show { display: block; animation: megaIn var(--dur) var(--ease); }
@keyframes megaIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.mega-grid { display: grid; grid-template-columns: repeat(4, 1fr) 1.15fr; gap: var(--sp-6); }
.mega-col { min-width: 0; }
.mega-head {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2); margin: calc(-1 * var(--sp-2)) calc(-1 * var(--sp-2)) var(--sp-3);
  border-radius: var(--r-md); text-decoration: none; color: var(--c-heading);
  transition: background-color var(--dur-fast) var(--ease);
}
.mega-head:hover { background: var(--c-surface-2); color: var(--c-heading); }
.mega-head .icon-tile { width: 40px; height: 40px; }
.mega-head strong { display: block; font-size: var(--fs-sm); }
.mega-head small { display: block; font-size: var(--fs-xs); color: var(--c-text-soft); font-weight: 400; }
.mega-col ul { list-style: none; padding: 0; margin: 0; border-inline-start: 1px solid var(--c-line); }
.mega-col li a {
  display: block; padding: .35rem var(--sp-3);
  font-size: var(--fs-sm); color: var(--c-text-muted); text-decoration: none;
  border-inline-start: 2px solid transparent; margin-inline-start: -1px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.mega-col li a:hover { color: var(--c-heading); border-inline-start-color: var(--c-accent); }
.mega-promo {
  background: var(--navy-800); color: rgba(244, 239, 228, .8);
  border-radius: var(--r-md); padding: var(--sp-5); font-size: var(--fs-sm);
  --c-focus: var(--gold-400);
}
[data-bs-theme="dark"] .mega-promo { background: var(--c-surface-2); }
.mega-promo-title { color: #fff; font-weight: 700; font-size: var(--fs-base); margin-bottom: var(--sp-2); }

/* ---------- Header actions ---------- */
.header-actions { display: flex; align-items: center; gap: var(--sp-2); }
.header-sep { width: 1px; height: 24px; background: var(--c-line-strong); margin-inline: var(--sp-1); }
.menu-btn { --bs-btn-padding-x: .55rem; --bs-btn-padding-y: .55rem; }

/* Theme toggle shows the icon of the mode you will switch to */
.theme-toggle .i-sun { display: none; }
[data-bs-theme="dark"] .theme-toggle .i-sun { display: inline; }
[data-bs-theme="dark"] .theme-toggle .i-moon { display: none; }

/* Full navigation from 1200px; below that the drawer takes over */
@media (max-width: 1399.98px) {
  .site-header .container { gap: var(--sp-5); }
  .main-nav { gap: 0; }
  .main-nav .nav-link { padding-inline: .6rem; }
  .main-nav .nav-link::after { inset-inline: .6rem; }
  .mega-grid { grid-template-columns: repeat(4, 1fr); }
  .mega-promo { grid-column: 1 / -1; display: flex; align-items: center; gap: var(--sp-5); }
  .mega-promo p { margin: 0; }
  .mega-promo .btn { margin-inline-start: auto; }
}
@media (max-width: 1199.98px) {
  .main-nav-wrap, .header-actions .d-desktop { display: none !important; }
  .header-actions { margin-inline-start: auto; }
}
@media (max-width: 991.98px) {
  :root { --header-h: 66px; }
  .brand img { height: 38px; }
  .site-header.is-scrolled .container { height: var(--header-h); }
  .site-header.is-scrolled .brand img { height: 38px; }
}
@media (max-width: 480px) {
  .brand img, .site-header.is-scrolled .brand img { height: 34px; }
}

/* ---------- Mobile drawer ---------- */
.mobile-nav .offcanvas-header { border-bottom: 1px solid var(--c-line); }
.mobile-nav .offcanvas-header img { height: 34px; width: auto; }
.mobile-nav nav > a, .mobile-group > summary {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: .85rem .25rem; color: var(--c-text); text-decoration: none; font-weight: 600;
  border-bottom: 1px solid var(--c-line);
}
.mobile-nav nav .icon { color: var(--c-accent-ink); }
.mobile-nav nav > a[aria-current="page"] { color: var(--c-heading); box-shadow: inset -3px 0 0 var(--c-accent); padding-inline-start: .75rem; }
.mobile-group > summary { cursor: pointer; list-style: none; }
.mobile-group > summary::-webkit-details-marker { display: none; }
.mobile-group > summary .chev { margin-inline-start: auto; transition: transform var(--dur-fast) var(--ease); }
.mobile-group[open] > summary .chev { transform: rotate(180deg); }
.mobile-group > a {
  display: block; padding-block: .55rem; padding-inline: 2.25rem .25rem;
  color: var(--c-text-muted); text-decoration: none; font-size: var(--fs-sm);
}
.mobile-group > a:hover { color: var(--c-heading); }
.mobile-group[open] { border-bottom: 1px solid var(--c-line); padding-bottom: var(--sp-2); }
.mobile-foot { display: grid; gap: var(--sp-1); padding-top: var(--sp-5); margin-top: var(--sp-5); border-top: 1px solid var(--c-line); }
.mobile-foot a { display: flex; align-items: center; gap: var(--sp-3); padding: .5rem .25rem; color: var(--c-text-muted); text-decoration: none; font-size: var(--fs-sm); }
.mobile-foot .icon { color: var(--c-accent-ink); }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--c-surface-inv);
  color: rgba(244, 239, 228, .72);
  padding-top: var(--sp-16);
  font-size: var(--fs-sm);
}
.site-footer .brand img { height: 52px; width: auto; }
.footer-about { max-width: 34ch; }
.site-footer h2 {
  font-size: var(--fs-base); color: var(--c-text-inv); margin-bottom: var(--sp-4);
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li + li { margin-top: var(--sp-2); }
.site-footer a { color: rgba(244, 239, 228, .78); text-decoration: none; }
.site-footer a:hover { color: var(--gold-400); }
.site-footer .contact-row { display: flex; align-items: center; gap: var(--sp-2); }
.site-footer .contact-row .icon { color: var(--gold-400); }
.social { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); }
.social a {
  width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center;
  border: 1px solid rgba(244, 239, 228, .18); color: var(--c-text-inv);
  transition: all var(--dur-fast) var(--ease);
}
.social a:hover { background: var(--gold-400); border-color: var(--gold-400); color: var(--navy-900); }
.footer-bottom {
  margin-top: var(--sp-12); padding-block: var(--sp-5);
  border-top: 1px solid rgba(244, 239, 228, .1);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--sp-3);
  font-size: var(--fs-xs); color: rgba(244, 239, 228, .55);
}

/* ---------- WhatsApp floating button ---------- */
.wa-float {
  position: fixed; inset-inline-end: 20px; bottom: 20px; z-index: 1020;
  width: 54px; height: 54px; border-radius: 50%;
  display: grid; place-items: center;
  background: #1f9d55; color: #fff; box-shadow: var(--shadow-lg);
  transition: transform var(--dur-fast) var(--ease);
}
.wa-float:hover { color: #fff; transform: translateY(-3px); }
.wa-float .icon { width: 28px; height: 28px; }
@media (max-width: 575.98px) {
  .wa-float { width: 46px; height: 46px; inset-inline-end: 12px; bottom: 12px; }
  .wa-float .icon { width: 24px; height: 24px; }
}

/* ---------- Inner page header (shared by every inner page) ---------- */
.page-hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--navy-900); color: rgba(244, 239, 228, .8);
  padding-block: clamp(2.25rem, 1.5rem + 3vw, 3.5rem);
  --c-focus: var(--gold-400);
}
[data-bs-theme="dark"] .page-hero { border-bottom: 1px solid var(--c-line); }
.page-hero::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: linear-gradient(rgba(220, 175, 90, .07) 1px, transparent 1px);
  background-size: 100% 34px;
  mask-image: linear-gradient(to left, #000 0%, transparent 80%);
  -webkit-mask-image: linear-gradient(to left, #000 0%, transparent 80%);
}
.page-hero::after {
  content: ""; position: absolute; z-index: -1;
  inset-inline-end: -90px; top: 50%; width: 320px; height: 320px; transform: translateY(-50%) rotate(-8deg);
  background: url("../img/brand/mark.webp") center / contain no-repeat; opacity: .07;
}
.page-hero h1 { color: #fff; font-size: var(--fs-3xl); margin-bottom: var(--sp-2); }
.page-hero p { margin: 0; max-width: 60ch; font-size: var(--fs-md); }
.crumbs { list-style: none; padding: 0; margin: 0 0 var(--sp-4); display: flex; flex-wrap: wrap; gap: var(--sp-2); font-size: var(--fs-sm); }
.crumbs li { display: inline-flex; align-items: center; gap: var(--sp-2); }
.crumbs li + li::before { content: "/"; color: rgba(244, 239, 228, .35); }
.crumbs a { color: rgba(244, 239, 228, .75); text-decoration: none; }
.crumbs a:hover { color: var(--gold-300); }
.crumbs [aria-current="page"] { color: var(--gold-400); font-weight: 600; }
.section-sm { padding-block: clamp(2rem, 1.5rem + 2vw, 3.5rem); }