/* ============================================================
   Projects overlay
   Clicking "Projects" desaturates and dims the home page behind
   a full-screen, scrollable write-up of the research projects.
   Shares the site palette: cream #FAF8F4, panel #F0EDE6,
   ink #1C1917, muted #7C6F64, accent orange #D96535,
   accent purple #8B7BB5. Font: Plus Jakarta Sans.
   ============================================================ */

/* ---------- The home page fading to black & white ---------- */

body.svc-open .hero,
body.svc-open #artwork-3d-bg,
body.svc-open #fog-trail-canvas,
body.svc-open #home-spiderweb-canvas,
body.svc-open #scene-veil,
body.svc-open #bg {
  filter: grayscale(1) brightness(0.6) contrast(0.92);
  opacity: 0.7;
  transition: filter 1.15s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 1.15s cubic-bezier(0.22, 1, 0.36, 1);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  body.svc-open .hero,
  body.svc-open #artwork-3d-bg,
  body.svc-open #fog-trail-canvas,
  body.svc-open #home-spiderweb-canvas,
  body.svc-open #scene-veil,
  body.svc-open #bg {
    transition: none;
  }
}

/* ---------- Overlay shell ---------- */

#projects-overlay {
  position: fixed;
  inset: 0;
  z-index: 9998;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1), visibility 0.55s;
}

#projects-overlay.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

/* Flat, not radial: the header and cards live inside the
   scrollable child and move independently of this fixed layer,
   so a wash that only fades in near the top would lose strength
   the moment anything scrolls past it. Kept light so the dimmed
   home page stays visible as an ambient backdrop; the header and
   each card carry their own solid background for legibility. */
#projects-overlay::before {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(250, 248, 244, 0.4);
  pointer-events: none;
}

@media (prefers-reduced-motion: reduce) {
  #projects-overlay {
    transition: none;
  }
}

/* ---------- Close control ---------- */

#projects-close {
  position: fixed;
  top: 26px;
  right: 26px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 12px 9px 16px;
  border-radius: 999px;
  border: 1px solid rgba(28, 25, 23, 0.14);
  background: rgba(250, 248, 244, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  color: rgba(28, 25, 23, 0.72);
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(28, 25, 23, 0.1);
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

#projects-close:hover {
  background: #fff;
  color: #1c1917;
  transform: translateY(-1px);
}

#projects-close:focus-visible {
  outline: 2px solid #d96535;
  outline-offset: 3px;
}

.projects-close-key {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 6px;
  background: rgba(28, 25, 23, 0.08);
  color: rgba(28, 25, 23, 0.55);
  font-size: 9px;
  letter-spacing: 0.04em;
  text-transform: none;
}

@media (max-width: 640px) {
  #projects-close {
    /* sits below the nav pill on narrow viewports, where the nav
       already spans nearly the full width and would otherwise
       collide with a top-right close control */
    top: 68px;
    right: 14px;
    padding: 8px 10px 8px 13px;
  }
  .projects-close-key {
    display: none;
  }
}

/* ---------- Scroll region ---------- */

#projects-overlay-scroll {
  position: relative;
  z-index: 1;
  height: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  overscroll-behavior: contain;
  padding: 120px 20px 100px;
  outline: none;
}

.projects-overlay-inner {
  max-width: 900px;
  margin: 0 auto;
}

/* ---------- Header ---------- */

.projects-header {
  max-width: 680px;
  margin: 0 auto 56px;
  padding: 34px 38px;
  text-align: center;
  background: #fefdfb;
  border-radius: 24px;
  box-shadow: 0 20px 50px rgba(28, 25, 23, 0.1);
}

.projects-eyebrow {
  display: inline-block;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.34em;
  color: #d96535;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.projects-title {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(26px, 4vw, 36px);
  line-height: 1.25;
  color: #1c1917;
  margin: 0 0 16px;
}

.projects-intro {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(28, 25, 23, 0.68);
  margin: 0;
}

/* ---------- Project cards ---------- */

.projects-list {
  display: flex;
  flex-direction: column;
  gap: 36px;
}

.project-card {
  background: #fefdfb;
  border: 1px solid rgba(28, 25, 23, 0.09);
  border-radius: 22px;
  padding: 30px 32px 34px;
  box-shadow: 0 22px 54px rgba(28, 25, 23, 0.16);
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

#projects-overlay.is-open .project-card {
  opacity: 1;
  transform: translateY(0);
}

.project-card:nth-child(1) {
  transition-delay: 0.1s;
}
.project-card:nth-child(2) {
  transition-delay: 0.18s;
}
.project-card:nth-child(3) {
  transition-delay: 0.26s;
}
.project-card:nth-child(4) {
  transition-delay: 0.34s;
}
.project-card:nth-child(5) {
  transition-delay: 0.42s;
}
.project-card:nth-child(6) {
  transition-delay: 0.5s;
}

@media (prefers-reduced-motion: reduce) {
  .project-card {
    transition: none;
  }
}

.project-card-head {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 22px;
}

.project-thumb {
  position: relative;
  flex: 0 0 120px;
  width: 120px;
  height: 120px;
  border-radius: 14px;
  overflow: hidden;
  background: #f0ede6;
  cursor: zoom-in;
}

.project-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.35s ease;
}

.project-thumb:hover img {
  transform: scale(1.08);
}

.project-thumb::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(28, 25, 23, 0.08);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.project-thumb:hover::after,
.project-thumb:focus-visible::after {
  opacity: 1;
}

.project-thumb:focus-visible {
  outline: 2px solid #d96535;
  outline-offset: 3px;
}

/* A small, deliberately uneven gallery of extra environment shots,
   sized differently from the head thumbnail and the zone figure
   above so it doesn't read as just another uniform grid. */
.project-card-gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  grid-auto-rows: 120px;
  gap: 10px;
  margin: 20px 0 28px;
}

.project-card-gallery .project-thumb {
  flex: none;
  width: 100%;
  height: 100%;
  border-radius: 12px;
}

.project-card-gallery .project-thumb--tall {
  grid-row: span 2;
}

@media (max-width: 560px) {
  .project-card-gallery {
    grid-template-columns: 1fr 1fr;
    grid-auto-rows: 92px;
  }
}

.project-card-heading {
  flex: 1 1 auto;
  min-width: 0;
  padding-top: 2px;
}

.project-card-body {
  min-width: 0;
}

.project-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 13px;
  border-radius: 999px;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}

.project-badge--published {
  background: #d96535;
  color: #fff;
}

.project-badge--revision {
  background: rgba(139, 123, 181, 0.12);
  border: 1px solid rgba(139, 123, 181, 0.45);
  color: #6f5fa3;
}

.project-badge--notaccepted {
  background: rgba(28, 25, 23, 0.05);
  border: 1px solid rgba(28, 25, 23, 0.22);
  color: rgba(28, 25, 23, 0.6);
}

.project-badge--submitted {
  background: rgba(217, 101, 53, 0.08);
  border: 1px solid rgba(217, 101, 53, 0.35);
  color: #b6552c;
}

.project-badge--research {
  background: rgba(28, 25, 23, 0.05);
  border: 1px solid rgba(28, 25, 23, 0.18);
  color: rgba(28, 25, 23, 0.65);
}

.project-card-title {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 23px);
  line-height: 1.35;
  color: #1c1917;
  margin: 0 0 8px;
}

.project-card-venue {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: #7c6f64;
  margin: 0;
}

.project-card-text {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(28, 25, 23, 0.82);
}

.project-card-text p {
  margin: 0 0 18px;
}

.project-card-text h4 {
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: #1c1917;
  margin: 26px 0 10px;
}

.project-card-figure {
  margin: 24px 0;
}

.project-card-figure img {
  width: 100%;
  display: block;
  border-radius: 12px;
  box-shadow: 0 10px 28px rgba(28, 25, 23, 0.1);
}

.project-card-figure figcaption {
  margin-top: 10px;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 12px;
  line-height: 1.6;
  color: #7c6f64;
}

.project-card-video {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  margin: 4px 0 24px;
  border-radius: 14px;
  overflow: hidden;
  background: #000;
  box-shadow: 0 14px 34px rgba(28, 25, 23, 0.16);
}

.project-card-video iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.project-card-actions {
  margin-top: 6px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
}

.project-card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: #d96535;
  font-family: "Plus Jakarta Sans", system-ui, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  text-decoration: none;
  transition: gap 0.18s ease, color 0.18s ease;
}

.project-card-link:hover {
  gap: 10px;
  color: #c9664a;
}

/* ---------- Responsive ---------- */

@media (max-width: 760px) {
  #projects-overlay-scroll {
    padding: 96px 14px 80px;
  }

  .projects-header {
    padding: 26px 24px;
  }

  .project-card {
    padding: 24px 20px 28px;
  }

  .project-thumb {
    flex-basis: 84px;
    width: 84px;
    height: 84px;
  }

  .project-card-head {
    gap: 14px;
  }
}