/* Beijing 2026 permanent archive · extends Offmap-X's existing dark visual system. */

.archive-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: clamp(34px, 5vw, 58px);
}

.archive-section-head > div:first-child { max-width: 810px; }
.archive-section-head h2 { margin-top: 15px; }
.archive-section-head p {
  max-width: 660px;
  margin-top: 20px;
  color: var(--ink-soft);
  font-size: clamp(.98rem, 1.3vw, 1.08rem);
  line-height: 1.75;
}

.archive-count,
.guest-deck-toolbar > span {
  flex: 0 0 auto;
  color: var(--ink-mute);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

/* Guests */
.guest-deck { min-width: 0; outline: none; }
.guest-deck:focus-visible { outline: 2px solid var(--accent); outline-offset: 10px; border-radius: 24px; }
.guest-deck-track {
  display: flex;
  gap: 18px;
  padding: 2px 2px 16px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: x mandatory;
  scrollbar-color: rgba(255,255,255,.23) transparent;
  scrollbar-width: thin;
}
.guest-deck-track::-webkit-scrollbar { height: 4px; }
.guest-deck-track::-webkit-scrollbar-thumb { background: rgba(255,255,255,.23); border-radius: 99px; }

.guest-card {
  position: relative;
  flex: 0 0 clamp(294px, 30vw, 352px);
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #090c0b;
  box-shadow: 0 24px 54px rgba(0,0,0,.2);
}
.guest-card-portrait {
  position: relative;
  height: 350px;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 50% 28%, rgba(52,201,141,.15), transparent 37%),
    linear-gradient(155deg, #161c19, #080b0a 68%);
}
.guest-card-portrait::after {
  content: "";
  position: absolute;
  inset: 55% 0 0;
  background: linear-gradient(180deg, transparent, rgba(4,6,5,.68));
}
.guest-card-portrait img {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  filter: saturate(.88) contrast(1.03);
}
.guest-card-ghost {
  position: absolute;
  z-index: 0;
  top: 26px;
  left: 20px;
  max-width: 92%;
  color: rgba(255,255,255,.055);
  font-family: var(--font-display, sans-serif);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 800;
  line-height: .82;
  letter-spacing: -.05em;
  text-transform: uppercase;
}
.guest-card-placeholder {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: rgba(255,255,255,.22);
  font-family: var(--font-display, sans-serif);
  font-size: 9rem;
  font-weight: 800;
}
.guest-card-copy { padding: 24px 24px 28px; }
.guest-card-index,
.beijing-project-copy > p {
  color: var(--accent);
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .13em;
  text-transform: uppercase;
}
.guest-card h3 { margin-top: 14px; font-size: clamp(1.65rem, 2.4vw, 2.25rem); }
.guest-card-role { min-height: 2.7em; margin-top: 9px; color: var(--ink-soft); font-weight: 650; line-height: 1.45; }
.guest-card-bio { margin-top: 18px; color: var(--ink-mute); font-size: .88rem; line-height: 1.7; }
.guest-deck-toolbar { display: flex; align-items: center; gap: 8px; }
.guest-deck-toolbar > span { min-width: 66px; margin-right: 7px; text-align: right; }
.guest-deck-toolbar button {
  width: 46px;
  height: 46px;
  padding: 0;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  color: var(--ink);
  background: #0a0d0c;
  font: inherit;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.guest-deck-toolbar button:hover,
.guest-deck-toolbar button:focus-visible { transform: translateY(-2px); border-color: var(--accent); background: rgba(52,201,141,.09); }

/* Selected projects */
.beijing-project-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.beijing-project-card {
  min-width: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 22px;
  background: #090c0b;
  transition: transform .32s var(--ease-out, ease), border-color .32s ease;
}
.beijing-project-card:hover { transform: translateY(-6px); border-color: rgba(52,201,141,.46); }
.beijing-project-media { position: relative; aspect-ratio: 16 / 9; overflow: hidden; background: #101412; }
.beijing-project-media::after { content: ""; position: absolute; inset: 58% 0 0; background: linear-gradient(180deg, transparent, rgba(2,4,3,.72)); }
.beijing-project-media img { display: block; width: 100%; height: 100%; object-fit: cover; transition: transform .65s var(--ease-out, ease); }
.beijing-project-card:hover img { transform: scale(1.025); }
.beijing-project-media span {
  position: absolute;
  z-index: 1;
  right: 18px;
  bottom: 14px;
  color: white;
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .7rem;
  letter-spacing: .14em;
}
.beijing-project-copy { padding: 17px 18px 19px; }
.beijing-project-copy h3 { margin-top: 10px; font-size: clamp(1.3rem, 1.55vw, 1.72rem); line-height: 1.14; }
.beijing-project-copy > div {
  display: -webkit-box;
  margin-top: 9px;
  overflow: hidden;
  color: var(--ink-soft);
  font-size: .75rem;
  line-height: 1.48;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

/* Event-specific partner constellation */
.partner-archive-groups { display: grid; gap: clamp(64px, 8vw, 104px); }
.partner-archive-groups > section { min-width: 0; }
.partner-group-heading {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 30px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}
.partner-group-heading span { color: var(--accent); font-family: var(--font-mono, ui-monospace, monospace); font-size: .68rem; letter-spacing: .14em; }
.partner-group-heading h3 { margin: 0; font-size: clamp(1.25rem, 2vw, 1.65rem); }
.partner-constellation {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  grid-auto-flow: row dense;
  column-gap: clamp(12px, 1.3vw, 18px);
  row-gap: 48px;
  align-items: start;
  width: 100%;
  padding: 18px 0 38px;
}
.partner-constellation-item {
  grid-column: span var(--partner-span);
  min-width: 0;
  margin: 0;
  transform: translateY(var(--partner-shift));
}
.partner-constellation-item > div {
  display: grid;
  place-items: center;
  min-height: 90px;
  padding: 8px 10px;
  transform: rotate(var(--partner-tilt, 0deg));
  animation: none;
  animation-delay: 0s;
  transition: transform .28s ease, filter .28s ease;
}
.partner-constellation-item:nth-child(5n + 1) { --partner-tilt: -.65deg; }
.partner-constellation-item:nth-child(5n + 1) > div { animation-delay: -.7s; }
.partner-constellation-item:nth-child(5n + 2) { --partner-tilt: .45deg; }
.partner-constellation-item:nth-child(5n + 2) > div { animation-delay: -2.1s; }
.partner-constellation-item:nth-child(5n + 3) > div { animation-delay: -3.6s; }
.partner-constellation-item:nth-child(5n + 4) { --partner-tilt: -.35deg; }
.partner-constellation-item:nth-child(5n + 4) > div { animation-delay: -1.4s; }
.partner-constellation-item:nth-child(5n) { --partner-tilt: .7deg; }
.partner-constellation-item:nth-child(5n) > div { animation-delay: -4.5s; }
.partner-constellation-item:nth-child(4n + 1) > div { min-height: 102px; }
.partner-constellation-item:nth-child(6n + 3) > div { min-height: 78px; }
.partner-constellation.is-core .partner-constellation-item > div { min-height: 104px; }
.partner-constellation-item:hover > div { transform: translateY(-7px) rotate(0deg) scale(1.045); filter: brightness(1.12); animation-play-state: paused; }
.partner-constellation-item img {
  display: block;
  max-width: 88%;
  width: auto;
  max-height: 68px;
  height: auto;
  object-fit: contain;
  filter: drop-shadow(0 10px 18px rgba(0,0,0,.28));
}
.partner-constellation.is-core .partner-constellation-item img { max-height: 78px; }
.partner-constellation.is-core .partner-constellation-item[data-partner-index="0"] img {
  filter: invert(1) drop-shadow(0 10px 18px rgba(0, 0, 0, .28));
}
.partner-constellation-item figcaption { display: none; }

@keyframes partner-logo-float {
  0%, 100% { transform: translateY(0) rotate(var(--partner-tilt, 0deg)); }
  50% { transform: translateY(-7px) rotate(var(--partner-tilt, 0deg)); }
}

/* Full partners page */
.partner-archive-page { padding-top: clamp(52px, 7vw, 96px); }
.partner-archive-page .partner-archive-groups { margin-top: 12px; }
.partner-spotlights { margin-top: clamp(78px, 10vw, 132px); }
.partner-spotlights-head { margin-bottom: 28px; }
.partner-spotlights-head h3 { margin-top: 13px; font-size: clamp(2rem, 4vw, 3.8rem); }
.partner-spotlight-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.partner-spotlight {
  display: grid;
  grid-template-columns: minmax(210px, .88fr) minmax(0, 1.12fr);
  grid-template-rows: 1fr;
  min-width: 0;
  min-height: 340px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: #090c0b;
}
.partner-spotlight-media {
  position: relative;
  isolation: isolate;
  min-height: 340px;
  overflow: hidden;
  background: #111513;
}
.partner-spotlight-media::after {
  position: absolute;
  z-index: 1;
  inset: 0;
  background: linear-gradient(180deg, rgba(13,17,27,.08) 0%, rgba(13,17,27,.14) 48%, rgba(13,17,27,.8) 100%);
  content: "";
  pointer-events: none;
}
.partner-spotlight-media > .partner-spotlight-background {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.partner-spotlight-poster {
  position: absolute;
  z-index: 2;
  inset: 0;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: clamp(18px, 2vw, 24px);
  color: #fff;
}
.partner-spotlight-logos {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: 15px;
}
.partner-spotlight-logos img {
  display: block;
  width: auto;
  height: 31px;
  max-width: 132px;
  padding: 6px 9px;
  border: 1px solid rgba(255,255,255,.3);
  border-radius: 8px;
  background: rgba(255,255,255,.92);
  object-fit: contain;
  box-shadow: 0 8px 22px rgba(0,0,0,.18);
}
.partner-spotlight-poster > span {
  font-family: var(--font-mono, ui-monospace, monospace);
  font-size: .64rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
}
.partner-spotlight-poster > strong {
  max-width: 16ch;
  margin-top: 7px;
  font-size: clamp(1.18rem, 1.75vw, 1.65rem);
  line-height: 1.08;
}
.partner-spotlight-copy { align-self: center; padding: clamp(18px, 2vw, 25px); }
.partner-spotlight-copy > span { color: var(--accent); font-family: var(--font-mono, ui-monospace, monospace); font-size: .66rem; font-weight: 700; letter-spacing: .11em; text-transform: uppercase; }
.partner-spotlight-copy h4 { margin-top: 11px; font-size: clamp(1.22rem, 1.55vw, 1.68rem); line-height: 1.16; }
.partner-spotlight-copy p { margin-top: 10px; color: var(--ink-soft); font-size: .75rem; line-height: 1.48; }

@media (min-width: 1180px) {
  .beijing-project-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .beijing-project-copy { padding-inline: 22px; }
}

@media (max-width: 820px) {
  .archive-section-head { align-items: start; }
  .partner-spotlight-grid { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .archive-section-head { display: block; }
  .archive-count { display: block; margin-top: 19px; }
  .beijing-project-grid { grid-template-columns: 1fr; gap: 14px; }
  .partner-spotlight { grid-template-columns: 1fr; grid-template-rows: auto 1fr; min-height: 0; }
  .partner-spotlight-media { min-height: 0; aspect-ratio: 3 / 4; }
  .guest-deck-toolbar { justify-content: space-between; margin-top: 24px; }
  .guest-deck-toolbar > span { margin-right: auto; text-align: left; }
  .guest-deck {
    width: 100%;
    min-height: 620px;
    padding-right: 34px;
    touch-action: pan-y;
  }
  .guest-deck-track {
    position: relative;
    display: block;
    height: 620px;
    padding: 0;
    overflow: visible;
    scroll-snap-type: none;
  }
  .guest-card {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    transform: translateX(calc(var(--depth) * 11px)) translateY(calc(var(--depth) * 8px)) scale(calc(1 - var(--depth) * .022));
    transform-origin: right center;
    opacity: calc(1 - var(--depth) * .14);
    transition: transform .23s cubic-bezier(.2,.8,.2,1), opacity .23s ease;
  }
  .guest-card.is-exiting { transform: translateX(-112%) rotate(-4deg); opacity: 0; }
  .guest-card-portrait { height: 330px; }
  .guest-card-copy { padding: 21px 21px 25px; }
  .guest-card-role { min-height: 0; }
  .guest-card-bio { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 4; }
  .partner-constellation { grid-template-columns: repeat(6, minmax(0, 1fr)); column-gap: 10px; row-gap: 34px; padding-bottom: 18px; }
  .partner-constellation-item { grid-column: span 3 !important; transform: translateY(calc(var(--partner-shift) * .35)); }
  .partner-constellation-item > div,
  .partner-constellation.is-core .partner-constellation-item > div { min-height: 78px; padding: 8px 6px; }
  .partner-constellation-item img,
  .partner-constellation.is-core .partner-constellation-item img { max-width: 90%; max-height: 48px; }
}

@media (max-width: 390px) {
  .guest-deck { min-height: 600px; padding-right: 25px; }
  .guest-deck-track { height: 600px; }
  .guest-card-portrait { height: 300px; }
}

@media (prefers-reduced-motion: reduce) {
  .guest-card,
  .beijing-project-card,
  .beijing-project-media img,
  .partner-constellation-item > div { transition: none !important; }
  .partner-constellation-item > div { animation: none !important; }
}