/* ==========================================================================
   ALUMNI IN ACTION — Base, layout, navigation, buttons, footer
   ========================================================================== */

*,
*::before,
*::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

html.no-scroll { overflow: hidden; }

body {
  margin: 0;
  background-color: var(--cream);
  color: var(--navy);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
h1, h2, h3, h4, h5, h6, p { margin: 0; }
ul { margin: 0; padding: 0; list-style: none; }

::selection { background: var(--gold); color: var(--navy); }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 999;
  padding: var(--s-12) var(--s-20);
  background: var(--navy);
  color: var(--cream);
}

.skip-link:focus { left: var(--s-16); top: var(--s-16); }

/* --------------------------------------------------------------------------
   Layout primitives
   -------------------------------------------------------------------------- */

.page-wrapper { position: relative; overflow: clip; }
.main-wrapper { position: relative; }

.page-padding {
  padding-left: var(--s-40);
  padding-right: var(--s-40);
}

.container-1360 { width: 100%; max-width: var(--c-1360); margin: 0 auto; }
.container-1280 { width: 100%; max-width: var(--c-1280); margin: 0 auto; }
.container-1064 { width: 100%; max-width: var(--c-1064); margin: 0 auto; }
.container-848  { width: 100%; max-width: var(--c-848);  margin: 0 auto; }

.padding-section-24  { padding-top: var(--s-24);  padding-bottom: var(--s-24); }
.padding-section-80  { padding-top: var(--ps-80); padding-bottom: var(--ps-80); }
.padding-section-96  { padding-top: var(--s-96);  padding-bottom: var(--s-96); }
.padding-section-240 { padding-top: var(--ps-240); padding-bottom: var(--ps-240); }
.padding-top-0    { padding-top: 0; }
.padding-bottom-0 { padding-bottom: 0; }
.padding-bottom-112 { padding-bottom: var(--s-112); }

.padding-section-t112-b56 { padding-top: var(--s-112); padding-bottom: var(--s-56); }
.padding-section-t40      { padding-top: var(--s-40); }
.padding-section-t478-b240 { padding-top: 24em; padding-bottom: var(--ps-240); }
.bottom-0 { padding-bottom: 0; }
.top-32   { padding-top: var(--s-32); }

.padding-nav-offset { padding-top: var(--s-80); }

.img-full-width { width: 100%; height: 100%; object-fit: cover; }
.img-full-width.is-contain { object-fit: contain; }

.bg-img_overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 20, 40, 0.55) 0%, rgba(10, 20, 40, 0.28) 38%, rgba(10, 20, 40, 0.86) 100%);
  pointer-events: none;
}

.is-inline { display: inline; }

.is-text-stroke {
  -webkit-text-stroke-width: 2px;
  -webkit-text-stroke-color: var(--gold);
  -webkit-text-fill-color: transparent;
  color: transparent;
}

@media (max-width: 991px) {
  .page-padding { padding-left: var(--s-24); padding-right: var(--s-24); }
  .padding-section-t478-b240 { padding-top: 12em; }
}

@media (max-width: 479px) {
  .page-padding { padding-left: var(--s-16); padding-right: var(--s-16); }
}

/* --------------------------------------------------------------------------
   Buttons — label swap + background fill sweep + arrow puck
   -------------------------------------------------------------------------- */

.btn-primary {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-16);
  padding: var(--s-16) var(--s-24);
  color: var(--cream);
  text-transform: uppercase;
  overflow: hidden;
  border-radius: 100px;
  isolation: isolate;
}

.btn-bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  background-color: var(--navy);
  border-radius: inherit;
  transition: background-color var(--dur) var(--ease-out);
}

.btn-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background-color: var(--gold-deep);
  border-radius: inherit;
  transform: translateY(101%);
  transition: transform var(--dur) var(--ease-swap);
}

.btn-primary:hover .btn-bg::after { transform: translateY(0); }

.btn-text-wrapper {
  position: relative;
  overflow: hidden;
  display: block;
  line-height: 1;
}

.btn-label-16,
.btn-label-16-hover {
  display: block;
  font-family: var(--font-heading);
  font-weight: var(--fw-600);
  font-size: var(--t-14);
  letter-spacing: 0.06em;
  line-height: 1.15;
  white-space: nowrap;
  transition: transform var(--dur) var(--ease-swap);
}

.btn-label-16-hover { position: absolute; inset: 0; transform: translateY(100%); }
.btn-primary:hover .btn-label-16 { transform: translateY(-100%); }
.btn-primary:hover .btn-label-16-hover { transform: translateY(0); }

.btn-arrow {
  position: relative;
  display: grid;
  place-items: center;
  width: 2.25em;
  height: 2.25em;
  border-radius: 100px;
  overflow: hidden;
  flex: none;
}

.btn-arrow-bg {
  position: absolute;
  inset: 0;
  background-color: var(--gold);
  border-radius: inherit;
  transition: background-color var(--dur) var(--ease-out);
}

.btn-icon {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 100%;
  height: 100%;
  color: var(--navy);
  overflow: hidden;
}

.btn-icon svg { width: 0.9em; height: 0.9em; display: block; }

.embed-btn-icon,
.embed-btn-icon-hover {
  display: grid;
  place-items: center;
  transition: transform 0.45s var(--ease-swap);
}

.embed-btn-icon-hover { position: absolute; transform: translate(-120%, 120%); }
.btn-primary:hover .embed-btn-icon { transform: translate(120%, -120%); }
.btn-primary:hover .embed-btn-icon-hover { transform: translate(0, 0); }

/* Gold variant — the primary donate / give CTA */
.btn-primary.is-gold { color: var(--navy); }
.btn-primary.is-gold .btn-bg { background-color: var(--gold); }
.btn-primary.is-gold .btn-bg::after { background-color: var(--gold-soft); }
.btn-primary.is-gold .btn-arrow-bg { background-color: var(--navy); }
.btn-primary.is-gold .btn-icon { color: var(--gold); }

/* Light variant — used on dark photo backgrounds */
.btn-primary.is-light { color: var(--navy); }
.btn-primary.is-light .btn-bg { background-color: var(--cream); }
.btn-primary.is-light .btn-bg::after { background-color: var(--gold); }
.btn-primary.is-light .btn-arrow-bg { background-color: var(--navy); }
.btn-primary.is-light .btn-icon { color: var(--cream); }

/* Outline variant — secondary CTA */
.btn-primary.is-outline .btn-bg { background-color: transparent; box-shadow: inset 0 0 0 1px currentColor; }
.btn-primary.is-outline .btn-bg::after { background-color: var(--gold); }
.btn-primary.is-outline:hover { color: var(--navy); }

/* Circular prev / next */
.btn-prev,
.btn-next {
  position: relative;
  display: grid;
  place-items: center;
  width: 3em;
  height: 3em;
  border-radius: 100px;
  overflow: hidden;
  cursor: pointer;
  color: var(--cream);
  flex: none;
  isolation: isolate;
}

.btn-prev .btn-bg,
.btn-next .btn-bg { background-color: var(--navy); }

.btn-prev.is-disabled,
.btn-next.is-disabled { opacity: 0.25; pointer-events: none; }

.btn-prev svg,
.btn-next svg { width: 1em; height: 1em; }

.btn-prev .btn-icon,
.btn-next .btn-icon { color: var(--cream); }

/* --------------------------------------------------------------------------
   Text link with hover swap
   -------------------------------------------------------------------------- */

.link-swap {
  position: relative;
  display: block;
  overflow: hidden;
  line-height: 1.25;
}

.link-text,
.link-text-hover {
  display: block;
  transition: transform 0.45s var(--ease-swap);
}

.link-text-hover { position: absolute; inset: 0; transform: translateY(105%); color: var(--gold); }
.link-swap:hover .link-text { transform: translateY(-105%); }
.link-swap:hover .link-text-hover { transform: translateY(0); }

.is-text-link { text-decoration: underline; text-underline-offset: 0.25em; }
.is-text-link:hover { color: var(--gold-deep); }

/* --------------------------------------------------------------------------
   Navbar
   -------------------------------------------------------------------------- */

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  color: var(--cream);
  transition: color 0.4s var(--ease-out);
}

.navbar.is-scrolled { color: var(--navy); }

.nav-bg {
  position: absolute;
  inset: 0;
  background-color: var(--cream);
  border-bottom: 1px solid var(--stroke);
  transform: translateY(-101%);
  transition: transform 0.5s var(--ease-swap);
  pointer-events: none;
}

.navbar.is-scrolled .nav-bg { transform: translateY(0); }

.nav-menu-wrapper {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-32);
}

/* Brand lockup — the eagle badge sits beside the wordmark. */
.brand {
  display: flex;
  align-items: center;
  gap: var(--s-12);
  flex: none;
}

.brand_mark {
  width: 2.5em;
  height: 2.5em;
  flex: none;
  border-radius: 100px;
  overflow: hidden;
  background-color: var(--cream);
  box-shadow: 0 0 0 1px rgba(232, 178, 60, 0.55);
}

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

.brand_word {
  display: flex;
  flex-direction: column;
  gap: 0.15em;
  font-family: var(--font-heading);
  font-weight: var(--fw-700);
  font-size: var(--h-16);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1;
}

.brand_word span:last-child {
  font-family: var(--font-mono);
  font-size: 0.6em;
  font-weight: var(--fw-400);
  letter-spacing: 0.16em;
  opacity: 0.6;
}

.nav-menu { display: flex; align-items: center; gap: var(--s-40); }

.nav-links-wrapper { display: flex; align-items: center; gap: var(--s-24); }

.nav-link {
  font-family: var(--font-heading);
  font-weight: var(--fw-600);
  font-size: var(--t-14);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.nav-link.is-current { color: var(--gold); }

.nav-button { display: flex; align-items: center; }

.nav-menu-button { display: none; }

.nav-burger {
  display: grid;
  gap: 5px;
  width: 1.75em;
  padding: var(--s-4) 0;
}

.nav-burger span {
  display: block;
  height: 2px;
  background-color: currentColor;
  transition: transform 0.4s var(--ease-out), opacity 0.3s;
}

.is-nav-open .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.is-nav-open .nav-burger span:nth-child(2) { opacity: 0; }
.is-nav-open .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1100px) {
  .nav-links-wrapper { gap: var(--s-16); }
  .nav-menu { gap: var(--s-24); }
}

@media (max-width: 991px) {
  .nav-menu-button { display: block; }

  .navbar.is-nav-open { color: var(--cream); }

  .nav-menu {
    position: fixed;
    inset: 0;
    z-index: -1;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    gap: var(--s-24);
    padding: var(--s-80) var(--s-24);
    background-color: var(--navy);
    background-image: var(--field-glow), var(--field-lines);
    color: var(--cream);
    clip-path: inset(0 0 100% 0);
    transition: clip-path 0.6s var(--ease-swap);
  }

  .is-nav-open .nav-menu { clip-path: inset(0 0 0 0); }

  .nav-links-wrapper { flex-direction: column; align-items: flex-start; gap: var(--s-16); }
  .nav-link { font-size: var(--h-32); }
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */

.section-footer {
  position: relative;
  background-color: var(--navy);
  background-image: var(--field-lines);
  color: var(--cream);
}

.footer_wrapper { display: flex; flex-direction: column; gap: var(--s-64); }

.footer_top {
  display: grid;
  grid-template-columns: 1.15fr 1fr;
  gap: var(--s-64);
  align-items: start;
  padding-bottom: var(--s-56);
  border-bottom: 1px solid rgba(253, 247, 236, 0.15);
}

.footer_brand { display: flex; flex-direction: column; gap: var(--s-24); align-items: flex-start; }
.footer_brand_mark { width: 5.5em; height: 5.5em; border-radius: 100px; overflow: hidden; }
.footer_brand_mark img { width: 100%; height: 100%; object-fit: cover; }
.footer_brand p { color: rgba(253, 247, 236, 0.72); max-width: 28em; }

.footer_links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-40);
}

.footer_link_title { margin-bottom: var(--s-20); color: var(--gold); }

.footer_link_list { display: flex; flex-direction: column; gap: var(--s-12); }

.footer-link {
  font-family: var(--font-body);
  font-size: var(--t-16);
  color: rgba(253, 247, 236, 0.82);
}

.footer_contact_list { display: flex; flex-direction: column; gap: var(--s-16); }
.footer_contact_item p { color: rgba(253, 247, 236, 0.6); }
.footer_contact_item p strong { display: block; color: var(--cream); font-weight: var(--fw-500); }

.footer_bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-16);
  color: rgba(253, 247, 236, 0.55);
}

.footer_badges { display: flex; flex-wrap: wrap; align-items: center; gap: var(--s-12); }

.footer_badge {
  padding: var(--s-4) var(--s-12);
  border: 1px solid rgba(253, 247, 236, 0.2);
  border-radius: 100px;
  font-family: var(--font-mono);
  font-size: var(--t-10);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(253, 247, 236, 0.7);
}

/* Build credit — the last line on the page. Quieter than the copyright above
   it so it reads as a signature rather than another footer link. */
.footer_credit {
  margin-top: var(--s-24);
  padding-top: var(--s-20);
  border-top: 1px solid rgba(253, 247, 236, 0.12);
  text-align: center;
  color: rgba(253, 247, 236, 0.4);
}

.footer_credit a {
  color: rgba(253, 247, 236, 0.65);
  text-decoration: underline;
  text-decoration-color: rgba(253, 247, 236, 0.3);
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease-out), text-decoration-color var(--dur) var(--ease-out);
}

.footer_credit a:hover {
  color: var(--gold);
  text-decoration-color: var(--gold);
}

@media (max-width: 991px) {
  .footer_top { grid-template-columns: 1fr; gap: var(--s-48); }
  .footer_wrapper { gap: var(--s-48); }
}

@media (max-width: 479px) {
  .footer_links { grid-template-columns: 1fr; gap: var(--s-32); }
}

/* --------------------------------------------------------------------------
   Scroll-reveal defaults (GSAP removes these once initialised)
   -------------------------------------------------------------------------- */

[data-reveal] { will-change: transform, opacity; }

.split-line { display: block; overflow: hidden; }

/* --------------------------------------------------------------------------
   Document lightbox — click a letter or a printed page to read it
   -------------------------------------------------------------------------- */

.is-zoomable { cursor: zoom-in; }
.is-zoomable:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.3s var(--ease-out), visibility 0s linear 0.3s;
}

.lightbox.is-open { visibility: visible; opacity: 1; transition-delay: 0s; }

/* Fully opaque. At any transparency the cream page behind is bright enough to
   ghost through and sit underneath the document being read. */
.lightbox_backdrop {
  position: absolute;
  inset: 0;
  background: radial-gradient(120% 100% at 50% 0%, #12233f 0%, #060c1a 68%);
}

/* Caption on the left, controls on the right, over the darkened page. */
.lightbox_bar {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-24);
  padding: var(--s-20) var(--s-32);
  color: var(--cream);
}

.lightbox_cap {
  display: flex;
  align-items: baseline;
  gap: var(--s-16);
  min-width: 0;
  font-size: var(--t-14);
}

.lightbox_cap-text {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: rgba(253, 247, 236, 0.8);
}

.lightbox_count { color: var(--gold); white-space: nowrap; }

.lightbox_tools { display: flex; align-items: center; gap: var(--s-12); flex: none; }

/* Minus / level / plus, grouped so they read as one control. */
.lightbox_zoom {
  display: flex;
  align-items: center;
  gap: var(--s-8);
  padding: 0.25em 0.5em;
  border: 1px solid rgba(253, 247, 236, 0.18);
  border-radius: 100px;
}

.lightbox_pct {
  min-width: 4.5em;
  color: var(--gold);
  font-size: var(--t-12);
  text-align: center;
  white-space: nowrap;
}

.lightbox_btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--s-8);
  padding: 0.55em 1.1em;
  border: 1px solid rgba(253, 247, 236, 0.28);
  border-radius: 100px;
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  transition: background-color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out), opacity 0.25s var(--ease-out);
}

.lightbox_btn:hover { background-color: var(--gold); border-color: var(--gold); color: var(--navy-deep); }
.lightbox_btn:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }

.lightbox_btn:disabled { opacity: 0.3; cursor: default; }
.lightbox_btn:disabled:hover { background-color: transparent; border-color: rgba(253, 247, 236, 0.28); color: var(--cream); }

.lightbox_btn.is-icon { width: 2.4em; height: 2.4em; padding: 0; }
.lightbox_btn.is-icon svg { width: 1em; height: 1em; }

/* The zoom pair sits inside its own pill, so it drops the doubled outline. */
.lightbox_zoom .lightbox_btn { border-color: transparent; }

/* The picture itself. Fitted by default; the zoomed state hands scrolling
   over to this box so a full-resolution letter can be panned around. */
.lightbox_stage {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 var(--s-32) var(--s-32);
  overflow: hidden;
  overscroll-behavior: contain;
}

.lightbox_stage img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  border-radius: var(--s-8);
  background-color: var(--cream);
  box-shadow: 0 1.5em 4em rgba(0, 0, 0, 0.5);
  cursor: zoom-in;
}

/* Block layout once zoomed, not flex. As a flex item the image keeps its
   default flex-shrink and gets squeezed back to the width of the stage the
   moment it overflows — which silently caps every zoom step. Block layout
   also puts the overflow where a scroll container can actually reach it. */
.lightbox.is-zoomed .lightbox_stage {
  display: block;
  overflow: auto;
  cursor: grab;
}

.lightbox.is-zoomed .lightbox_stage.is-grabbing { cursor: grabbing; }

.lightbox.is-zoomed .lightbox_stage img {
  flex: none;
  max-width: none;
  max-height: none;
  margin: 0 auto;
  border-radius: 0;
  cursor: zoom-in;
}

.lightbox.is-zoomed.is-max .lightbox_stage img { cursor: zoom-out; }

.lightbox_nav {
  position: absolute;
  top: 50%;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 3em;
  height: 3em;
  margin-top: -1.5em;
  border: 1px solid rgba(253, 247, 236, 0.28);
  border-radius: 100px;
  background-color: rgba(10, 20, 40, 0.6);
  color: var(--cream);
  transition: background-color 0.25s var(--ease-out), border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}

.lightbox_nav svg { width: 1em; height: 1em; }
.lightbox_nav.is-prev { left: var(--s-16); }
.lightbox_nav.is-next { right: var(--s-16); }
.lightbox_nav:hover { background-color: var(--gold); border-color: var(--gold); color: var(--navy-deep); }
.lightbox_nav:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.lightbox_nav[hidden] { display: none; }

@media (max-width: 767px) {
  .lightbox_bar { padding: var(--s-12); gap: var(--s-12); }
  .lightbox_cap { font-size: var(--t-12); }
  .lightbox_pct { min-width: 3.6em; }
  .lightbox_stage { padding: 0 var(--s-12) var(--s-16); }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}