/* Admission Guide site header (2026): slim sticky glass bar. Prefix agx-hdr-.
   Markup: resources/views/includes/admission_guide_header.blade.php. Dark theme: html[data-theme="dark"]. */

.agx-hdr {
  --agx-hdr-h: 64px;
  position: sticky; top: 0; z-index: 1030;
  font-family: var(--ag-font);
  background: rgba(255, 255, 255, .8);
  background: color-mix(in srgb, var(--ag-bg) 80%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--ag-line);
  transition: box-shadow .35s var(--ag-ease), background-color .35s ease, margin .35s var(--ag-ease);
}
html[data-theme="dark"] .agx-hdr { background: rgba(10, 20, 17, .78); background: color-mix(in srgb, var(--ag-bg) 78%, transparent); }
.agx-hdr.is-scrolled {
  --agx-hdr-h: 58px;
  margin-bottom: 6px; /* keeps the page below from jumping while the bar shrinks */
  box-shadow: 0 8px 28px rgba(2, 44, 34, .08);
}
html[data-theme="dark"] .agx-hdr.is-scrolled { box-shadow: 0 10px 30px rgba(0, 0, 0, .45); }

.agx-hdr .agx-hdr-nav { padding: 0; background: transparent; }
.agx-hdr .agx-hdr-bar {
  position: relative;
  display: flex; align-items: center; flex-wrap: nowrap; gap: 12px;
  min-height: var(--agx-hdr-h);
  transition: min-height .35s var(--ag-ease);
}

/* ---------- Logo ---------- */
.agx-hdr .agx-hdr-brand {
  display: inline-flex; align-items: center; flex-shrink: 0;
  margin-right: auto; padding: 4px 2px; border-radius: 10px; text-decoration: none;
}
.agx-hdr .agx-hdr-logo {
  display: block; height: 40px; width: auto; max-width: none;
  transform-origin: left center;
  transition: transform .35s var(--ag-ease), opacity .25s ease;
}
.agx-hdr .agx-hdr-brand:hover .agx-hdr-logo { opacity: .9; }
.agx-hdr.is-scrolled .agx-hdr-logo { transform: scale(.9); }

/* ---------- Nav links ---------- */
.agx-hdr .agx-hdr-menu { margin: 0; padding: 0; list-style: none; }
.agx-hdr .agx-hdr-link {
  position: relative;
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 15px; border-radius: 999px;
  color: var(--ag-text); font-weight: 500; font-size: .94rem; line-height: 1.3;
  text-decoration: none; background: transparent;
  transition: color .25s ease, background-color .25s ease;
}
.agx-hdr .agx-hdr-link::after {
  content: ""; position: absolute; left: 15px; right: 15px; bottom: 3px; height: 2px; border-radius: 2px;
  background: var(--ag-grad-text);
  transform: scaleX(0); transform-origin: right center;
  transition: transform .35s var(--ag-ease);
}
.agx-hdr .agx-hdr-link:hover { color: var(--ag-ink); }
.agx-hdr .agx-hdr-link:hover::after { transform: scaleX(1); transform-origin: left center; }
.agx-hdr .agx-hdr-link.is-active { color: var(--ag-brand); font-weight: 600; background: var(--ag-brand-soft); }
.agx-hdr .agx-hdr-link.is-active::after { transform: scaleX(0); }

/* ---------- CTA pill ---------- */
.agx-hdr .agx-hdr-actions { display: flex; align-items: center; gap: 10px; }
.agx-hdr .agx-hdr-cta {
  position: relative; overflow: hidden; isolation: isolate;
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; white-space: nowrap;
  padding: 10px 20px; border-radius: 999px; border: 0;
  background: var(--ag-brand); color: var(--ag-on-brand);
  font-weight: 600; font-size: .9rem; line-height: 1.2; text-decoration: none;
  box-shadow: 0 8px 20px var(--ag-glow);
  transition: background-color .3s ease, box-shadow .3s var(--ag-ease), transform .3s var(--ag-ease);
}
.agx-hdr .agx-hdr-cta::before {
  content: ""; position: absolute; top: 0; bottom: 0; left: 0; width: 45%; pointer-events: none;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .45), transparent);
  transform: translateX(-130%) skewX(-20deg);
  animation: agx-hdr-sheen 5.5s ease-in-out 1.2s infinite;
}
.agx-hdr .agx-hdr-cta i { font-size: 1rem; transition: transform .3s var(--ag-ease); }
.agx-hdr .agx-hdr-cta:hover {
  background: var(--ag-brand-strong); color: var(--ag-on-brand);
  box-shadow: 0 12px 28px var(--ag-glow); /* no lift: the header button stays still on hover */
}
.agx-hdr .agx-hdr-cta:hover i { transform: translateX(3px); }
.agx-hdr .agx-hdr-cta:active { transform: translateY(0) scale(.98); }
@keyframes agx-hdr-sheen {
  0%   { transform: translateX(-130%) skewX(-20deg); }
  22%  { transform: translateX(320%) skewX(-20deg); }
  100% { transform: translateX(320%) skewX(-20deg); }
}

/* ---------- Theme toggle (round icon button) ---------- */
.agx-hdr .agx-hdr-theme {
  display: inline-flex; align-items: center; justify-content: center; flex-shrink: 0;
  width: 40px; height: 40px; padding: 0; border-radius: 50%;
  border: 1px solid var(--ag-line); background: var(--ag-surface); color: var(--ag-ink);
  font-size: 1rem; line-height: 1; cursor: pointer; box-shadow: none;
  transition: color .3s ease, border-color .3s ease, background-color .3s ease, box-shadow .3s ease;
}
.agx-hdr .agx-hdr-theme i { display: inline-block; line-height: 1; transition: transform .5s var(--ag-ease); }
.agx-hdr .agx-hdr-theme .bi-sun-fill { color: var(--ag-gold); animation: agx-hdr-sun-in .6s var(--ag-ease); }
.agx-hdr .agx-hdr-theme .bi-moon-stars-fill { animation: agx-hdr-moon-in .6s var(--ag-ease); }
.agx-hdr .agx-hdr-theme:hover { color: var(--ag-brand); border-color: var(--ag-brand); box-shadow: 0 6px 18px var(--ag-glow); }
.agx-hdr .agx-hdr-theme:hover i { transform: rotate(-20deg) scale(1.15); }
.agx-hdr .agx-hdr-theme:active i { transform: rotate(-60deg) scale(.85); }
@keyframes agx-hdr-sun-in  { from { transform: rotate(-120deg) scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes agx-hdr-moon-in { from { transform: rotate(120deg) scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }

/* ---------- Mobile menu button ---------- */
.agx-hdr .agx-hdr-mobile { align-items: center; gap: 8px; }
.agx-hdr .navbar-toggler.agx-hdr-burger {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; padding: 0; border-radius: 12px;
  border: 1px solid var(--ag-line); background: var(--ag-surface); color: var(--ag-ink);
  box-shadow: none; transition: border-color .3s ease, color .3s ease, box-shadow .3s ease;
}
.agx-hdr .navbar-toggler.agx-hdr-burger:hover { border-color: var(--ag-brand); color: var(--ag-brand); }
.agx-hdr .navbar-toggler.agx-hdr-burger:focus { box-shadow: none; }
.agx-hdr .agx-hdr-burger-bars { position: relative; display: block; width: 18px; height: 12px; }
.agx-hdr .agx-hdr-burger-bars span {
  position: absolute; left: 0; width: 100%; height: 2px; border-radius: 2px; background: currentColor;
  transition: transform .35s var(--ag-ease), opacity .25s ease;
}
.agx-hdr .agx-hdr-burger-bars span:nth-child(1) { top: 0; }
.agx-hdr .agx-hdr-burger-bars span:nth-child(2) { top: 5px; }
.agx-hdr .agx-hdr-burger-bars span:nth-child(3) { top: 10px; }
.agx-hdr .agx-hdr-burger[aria-expanded="true"] .agx-hdr-burger-bars span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.agx-hdr .agx-hdr-burger[aria-expanded="true"] .agx-hdr-burger-bars span:nth-child(2) { opacity: 0; transform: scaleX(.2); }
.agx-hdr .agx-hdr-burger[aria-expanded="true"] .agx-hdr-burger-bars span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

/* ---------- Focus ---------- */
.agx-hdr a:focus-visible,
.agx-hdr button:focus-visible,
.agx-hdr .navbar-toggler.agx-hdr-burger:focus-visible {
  outline: 2px solid var(--ag-brand-mid); outline-offset: 3px; box-shadow: none;
}

/* ---------- Desktop ---------- */
@media (min-width: 992px) {
  .agx-hdr .agx-hdr-brand { margin-right: 0; }
  .agx-hdr .agx-hdr-collapse { flex-grow: 1; }
  .agx-hdr .agx-hdr-panel { display: flex; align-items: center; width: 100%; gap: 16px; }
  .agx-hdr .agx-hdr-menu { flex-direction: row; gap: 2px; margin: 0 auto; }
}

/* ---------- Mobile dropdown panel ---------- */
@media (max-width: 991.98px) {
  .agx-hdr .agx-hdr-logo { height: 34px; }
  .agx-hdr .agx-hdr-collapse {
    position: absolute; top: calc(100% + 6px); left: 12px; right: 12px; z-index: 5;
    margin: 0; padding: 0 0 18px; background: none; border: 0; border-radius: 0;
  }
  .agx-hdr .agx-hdr-panel {
    background: var(--ag-surface); border: 1px solid var(--ag-line); border-radius: var(--ag-radius);
    box-shadow: var(--ag-shadow-lg); padding: 10px;
  }
  .agx-hdr .agx-hdr-collapse.collapsing .agx-hdr-panel,
  .agx-hdr .agx-hdr-collapse.show .agx-hdr-panel { animation: agx-hdr-panel-in .35s var(--ag-ease) both; }
  .agx-hdr .agx-hdr-menu { flex-direction: column; gap: 2px; }
  .agx-hdr .agx-hdr-link {
    display: flex; justify-content: space-between; width: 100%;
    padding: 12px 14px; border-radius: 12px; font-size: 1rem; color: var(--ag-ink);
  }
  .agx-hdr .agx-hdr-link::after { display: none; }
  .agx-hdr .agx-hdr-link:hover { background: var(--ag-surface-2); color: var(--ag-brand); }
  .agx-hdr .agx-hdr-link.is-active { background: var(--ag-brand-soft); color: var(--ag-brand); }
  .agx-hdr .agx-hdr-link-arrow { font-size: 1.35rem; color: var(--ag-muted); transition: transform .3s var(--ag-ease), color .3s ease; }
  .agx-hdr .agx-hdr-link:hover .agx-hdr-link-arrow,
  .agx-hdr .agx-hdr-link.is-active .agx-hdr-link-arrow { color: var(--ag-brand); transform: translateX(3px); }
  .agx-hdr .agx-hdr-actions { margin-top: 8px; padding-top: 10px; border-top: 1px solid var(--ag-line); }
  .agx-hdr .agx-hdr-cta { width: 100%; padding: 13px 20px; font-size: .95rem; }
  .agx-hdr .agx-hdr-collapse.collapsing .agx-hdr-item,
  .agx-hdr .agx-hdr-collapse.show .agx-hdr-item {
    animation: agx-hdr-item-in .45s var(--ag-ease) both;
    animation-delay: calc(var(--agx-i, 0) * 55ms + 60ms);
  }
}
@media (max-width: 575.98px) {
  .agx-hdr { --agx-hdr-h: 60px; }
  .agx-hdr.is-scrolled { --agx-hdr-h: 56px; margin-bottom: 4px; }
}
@keyframes agx-hdr-panel-in { from { opacity: 0; transform: translateY(-8px) scale(.98); } to { opacity: 1; transform: none; } }
@keyframes agx-hdr-item-in  { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  .agx-hdr, .agx-hdr *, .agx-hdr *::before, .agx-hdr *::after { transition: none !important; animation: none !important; }
  .agx-hdr .agx-hdr-cta::before { display: none; }
}