/* Dissertation recruitment callouts (home pop-up + research band).
   Temporary: remove this file, study.js, and the [data-study] markup
   on / and /research/ when recruitment closes (mid-December 2026). */

/* ---------- research page band ---------- */
.study-band { background: var(--ink); color: var(--paper); }
.study-band .wrap { padding-block: clamp(48px, 7vw, 68px); }
.study-head {
  display: flex; flex-wrap: wrap; justify-content: space-between; align-items: flex-end;
  gap: 20px 48px; margin-bottom: 36px;
}
.study-head > div { max-width: 680px; }
.study-flag { display: flex; align-items: flex-start; gap: 12px; margin: 0 0 18px; }
.study-flag::before {
  content: ""; width: 8px; height: 8px; border-radius: 999px; background: var(--accent); flex: none; margin-top: 6px;
}
.study-flag span {
  font-size: 13px; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent-dark-bg);
}
.study-band h2 {
  font-size: clamp(30px, 3.3vw, 42px); line-height: 1.1; color: var(--paper); margin-bottom: 14px;
}
.study-band .study-lede { font-size: clamp(17px, 1.4vw, 19px); line-height: 1.6; color: #C9C1B4; }
.study-band .study-fine { font-size: 14px; line-height: 1.5; color: var(--dark-muted); max-width: 300px; }
.study-cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.study-card {
  background: var(--dark-surface); border: 1px solid var(--dark-border); border-radius: 18px;
  padding: 32px 30px; display: flex; flex-direction: column; gap: 14px;
}
.study-card .card-label { color: var(--accent-dark-bg); }
.study-card h3 { font-size: clamp(22px, 1.9vw, 26px); line-height: 1.22; color: var(--paper); }
.study-card p { font-size: 16px; line-height: 1.65; color: #C9C1B4; }
.study-card .study-meta { font-size: 14px; font-weight: 600; color: var(--dark-muted); }
.study-card .study-cta { margin-top: auto; padding-top: 8px; }
.study-band .btn-light { background: var(--accent-dark-bg); color: var(--ink); }
.study-band .btn-light:hover { background: #F08A57; color: var(--ink); }
.study-band .btn-outline { background: transparent; color: var(--paper); border-color: #5A5348; }
.study-band .btn-outline:hover { background: var(--dark-surface); color: var(--paper); border-color: var(--dark-muted); }
.study-band a:focus-visible { outline-color: var(--accent-dark-bg); }
@media (max-width: 720px) {
  .study-cards { grid-template-columns: 1fr; }
  .study-card { padding: 26px 22px; }
  .study-card .btn { width: 100%; white-space: normal; }
}

/* ---------- home page pop-up ---------- */
.study-pop {
  position: fixed; right: 32px; bottom: 32px; z-index: 50;
  width: min(392px, calc(100vw - 32px));
  background: var(--card); color: var(--ink);
  border: 1px solid var(--border); border-radius: 18px;
  padding: 22px 26px 22px; box-shadow: 0 18px 48px rgba(24, 20, 16, 0.18);
  display: flex; flex-direction: column; gap: 12px;
  opacity: 0; transform: translateY(16px);
  transition: opacity .28s ease, transform .28s ease;
}
.study-pop[hidden] { display: none; }
.study-pop.is-open { opacity: 1; transform: none; }
.study-pop-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.study-pop .study-flag { margin: 0; }
.study-pop .study-flag span { color: var(--accent-text); font-size: 12px; }
.study-pop-close {
  flex: none; width: 44px; height: 44px; margin: -10px -14px -10px 0;
  border: 0; border-radius: 999px; background: transparent; cursor: pointer;
  display: grid; place-items: center; color: var(--muted);
}
.study-pop-close:hover { background: var(--paper-2); color: var(--ink); }
.study-pop h2 { font-size: 23px; line-height: 1.22; }
.study-pop p { font-size: 15px; line-height: 1.6; color: var(--muted); }
.study-pop-actions { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.study-pop-actions .btn { width: 100%; padding: 13px 22px; font-size: 15px; }
.study-pop-share { display: block; text-align: center; font-weight: 600; font-size: 15px; padding: 10px 0 2px; }

@media (max-width: 600px) {
  .study-pop {
    left: 0; right: 0; bottom: 0; width: auto;
    border-radius: 22px 22px 0 0; border-width: 1px 0 0;
    padding: 16px 20px calc(22px + env(safe-area-inset-bottom));
    box-shadow: 0 -12px 40px rgba(24, 20, 16, 0.16);
  }
  .study-pop h2 { font-size: 21px; }
}
@media (prefers-reduced-motion: reduce) {
  .study-pop { transition: none; transform: none; }
}
@media print { .study-pop { display: none !important; } }