/* ============================================================
   Korea AI4Science Gathering @ ICML landing page
   Design system synthesized from NVIDIA / Isomorphic Labs /
   Google DeepMind event-page research. Poster identity:
   violet/indigo accent, electric purple gradients, mono labels,
   heavy display sans, HUD brackets + dotted rails, molecular motif.
   ============================================================ */

:root {
  /* Surfaces */
  --bg:           #F4F1FA;
  --bg-pure:      #FBFAFE;
  --surface-dark: #0E0B16;

  /* Ink */
  --ink:      #14101F;
  --ink-soft: #3A3450;
  --muted:    #6F6890;

  /* Accent */
  --accent:     #5B2EE5;
  --accent-2:   #7C3AED;
  --accent-3:   #9D5CFF;
  --accent-ink: #B9A8FF;

  /* Lines */
  --hairline:    #DAD3EC;
  --hairline-dk: #2A2440;

  --grad: linear-gradient(120deg, #5B2EE5 0%, #7C3AED 55%, #9D5CFF 100%);

  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --band: clamp(72px, 10vw, 128px);

  --font-display: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-display);
  background: var(--bg);
  color: var(--ink);
  font-size: 1.0625rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; }
a { color: var(--accent); text-decoration: none; }
ul { list-style: none; padding: 0; }

/* ---------- Shared atoms ---------- */
.wrap { max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

.section { padding-block: var(--band); position: relative; }
.section + .section { border-top: 1px solid var(--hairline); }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  display: inline-block;
}
.eyebrow .br { color: var(--accent); }

.tick {
  height: 2px;
  width: 96px;
  background: var(--grad);
  border-radius: 2px;
  margin: 18px 0 26px;
  transform-origin: left center;
}

h1, h2, h3 { font-weight: 700; line-height: 1.02; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.75rem, 3.4vw, 2.75rem); }
h3 { font-size: 1.25rem; font-weight: 500; letter-spacing: -0.01em; line-height: 1.2; }
.lede { color: var(--ink-soft); font-size: clamp(1.05rem, 1.6vw, 1.25rem); max-width: 56ch; }

/* ---------- Buttons ---------- */
.btn {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 13px 22px;
  border-radius: 8px;
  border: 1px solid transparent;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  transition: background .14s ease, transform .14s ease, border-color .14s ease, color .14s ease;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); transform: translateY(-2px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--hairline); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* On dark surfaces */
.section--dark { background: var(--surface-dark); color: #EDE9F7; }
.section--dark h1, .section--dark h2, .section--dark h3 { color: #fff; }
.section--dark .eyebrow { color: var(--accent-ink); }
.section--dark .eyebrow .br { color: var(--accent-ink); }
.section--dark .lede { color: #C9C2E0; }
.section--dark a { color: var(--accent-ink); }
.section--dark .btn-primary { color: #fff; }
.section--dark .btn-ghost { color: #fff; border-color: rgba(185,168,255,0.4); }
.section--dark .btn-ghost:hover { border-color: var(--accent-ink); color: var(--accent-ink); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248,246,253,0.94);
  backdrop-filter: saturate(180%) blur(14px);
  border-bottom: 1px solid var(--hairline);
  box-shadow: 0 1px 0 rgba(20,16,31,0.04), 0 8px 24px -20px rgba(20,16,31,0.35);
}
.site-header .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 66px;
}
.brand {
  font-family: var(--font-mono);
  font-weight: 700;
  letter-spacing: 0.02em;
  font-size: 1.02rem;
  color: var(--ink);
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand .dot { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 26px; }
.nav a:not(.btn) {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink);
  transition: color .14s ease;
}
.nav a:not(.btn):hover { color: var(--accent); }
.nav .btn { padding: 9px 16px; font-weight: 600; }
.nav-toggle { display: none; }
@media (max-width: 820px) {
  .nav a:not(.btn) { display: none; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero { position: relative; overflow: hidden; padding-block: clamp(84px, 12vw, 150px); }
.hero .wrap { position: relative; z-index: 2; }
.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 48px;
  align-items: center;
}
@media (max-width: 880px) { .hero-grid { grid-template-columns: 1fr; } }
.hero-grid > *, .about-grid > * { min-width: 0; }

.hero h1 {
  font-size: clamp(2.3rem, 7vw, 5.25rem);
  line-height: 0.99;
  letter-spacing: -0.03em;
  margin-top: 14px;
  overflow-wrap: break-word;
}
.hero h1 .grad {
  background: linear-gradient(110deg, var(--accent-ink), var(--accent-3));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero .lede { margin-top: 22px; color: #C9C2E0; }

.hero-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 18px; margin-top: 28px; }
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: #D8D1F0;
}
.meta-ico { width: 17px; height: 17px; color: var(--accent-ink); flex: 0 0 auto; }
a.meta-item { transition: color .14s ease; }
a.meta-item span {
  text-decoration: underline;
  text-decoration-color: rgba(185,168,255,0.35);
  text-underline-offset: 4px;
  transition: text-decoration-color .14s ease;
}
a.meta-item:hover { color: #fff; }
a.meta-item:hover .meta-ico { color: #fff; }
a.meta-item:hover span { text-decoration-color: var(--accent-ink); }
.meta-div { width: 1px; height: 20px; background: var(--hairline-dk); flex: 0 0 auto; }
@media (max-width: 560px) {
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 12px; }
  .meta-div { display: none; }
}
.hero-cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 34px; }

/* bracketed content frame */
.bracket { position: relative; }
.bracket::before, .bracket::after {
  content: "";
  position: absolute;
  width: 26px; height: 26px;
  border: 1.5px solid var(--accent-ink);
  pointer-events: none;
}
.bracket::before { top: -16px; left: -16px; border-right: none; border-bottom: none; }
.bracket::after { bottom: -16px; right: -16px; border-left: none; border-top: none; }

/* molecular motif visual */
.hero-art { position: relative; aspect-ratio: 1/1; }
.hero-art svg { width: 100%; height: 100%; overflow: visible; }
.hero-glow {
  position: absolute;
  inset: 8%;
  background: radial-gradient(circle at 50% 45%, rgba(124,58,237,0.55), rgba(91,46,229,0) 62%);
  filter: blur(8px);
  z-index: -1;
}
@media (max-width: 880px) { .hero-art { max-width: 420px; margin-inline: auto; } }

/* tiny background dotted plus field */
.dotfield {
  position: absolute;
  inset: 0;
  background-image: radial-gradient(currentColor 1px, transparent 1.4px);
  background-size: 26px 26px;
  color: rgba(185,168,255,0.10);
  z-index: 1;
  pointer-events: none;
}

/* ============================================================
   TOPICS
   ============================================================ */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 8px;
}
@media (max-width: 760px) { .topics-grid { grid-template-columns: 1fr; } }
.topic {
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 26px 24px;
  background: var(--bg-pure);
  position: relative;
  transition: border-color .15s ease, transform .15s ease;
}
.topic:hover { border-color: var(--accent); transform: translateY(-2px); }
.topic .plus { position: absolute; top: 14px; right: 16px; color: var(--accent); font-family: var(--font-mono); font-size: 0.9rem; }
.topic .num { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); letter-spacing: 0.1em; }
.topic h3 { margin: 14px 0 8px; }
.topic p { color: var(--ink-soft); font-size: 0.95rem; }

/* ============================================================
   KEYNOTES / SPEAKERS
   ============================================================ */
.speaker-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
@media (max-width: 880px) { .speaker-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .speaker-grid { grid-template-columns: 1fr; } }

.speaker {
  display: block;
  color: inherit;
  text-decoration: none;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--bg-pure);
  overflow: hidden;
  position: relative;
  transition: border-color .15s ease, transform .15s ease;
}
a.speaker { cursor: pointer; }
.speaker:hover { border-color: var(--accent); transform: translateY(-2px); }
.speaker .plus { position: absolute; top: 12px; right: 14px; color: var(--accent); font-family: var(--font-mono); z-index: 2; }
.speaker .portrait {
  aspect-ratio: 1/1;
  background:
    radial-gradient(circle at 30% 25%, rgba(157,92,255,0.35), transparent 55%),
    linear-gradient(160deg, #1A1430, #0E0B16);
  display: grid;
  place-items: center;
  position: relative;
}
.speaker .portrait .q {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.8rem;
  color: rgba(185,168,255,0.55);
  letter-spacing: 0.05em;
}
.speaker .portrait .node {
  position: absolute; width: 7px; height: 7px; border-radius: 50%;
  background: var(--accent-3); box-shadow: 0 0 10px rgba(157,92,255,0.8);
}
.speaker .portrait img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.speaker .meta { padding: 18px 18px 20px; }
.speaker .meta .name { font-weight: 500; font-size: 1.18rem; letter-spacing: -0.01em; }
.speaker .meta .aff { color: var(--muted); font-size: 0.92rem; margin-top: 3px; }
.speaker .meta .tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 14px;
  display: inline-block;
  border: 1px solid var(--hairline);
  border-radius: 5px;
  padding: 5px 9px;
}

/* ============================================================
   SCHEDULE
   ============================================================ */
.sched-head { display: flex; align-items: flex-end; justify-content: space-between; flex-wrap: wrap; gap: 18px; }
.day-pill {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: #fff;
  background: var(--accent);
  border-radius: 6px;
  padding: 9px 14px;
  display: inline-flex; gap: 8px;
}

.sched-frame {
  position: relative;
  margin-top: 30px;
  border: 1px solid var(--hairline-dk);
  border-radius: 10px;
  background: rgba(255,255,255,0.015);
  overflow: hidden;
}
.row {
  display: grid;
  grid-template-columns: 150px 1fr 150px;
  gap: 18px;
  align-items: baseline;
  padding: 18px 24px;
  border-bottom: 1px solid var(--hairline-dk);
  border-left: 2px solid transparent;
  transition: background .14s ease, border-color .14s ease;
}
.row:last-child { border-bottom: none; }
.row:hover { background: rgba(124,58,237,0.10); border-left-color: var(--accent-3); }
.row .time {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-variant-numeric: tabular-nums;
  color: var(--accent-ink);
  white-space: nowrap;
}
.row .what { font-weight: 500; font-size: 1.08rem; color: #fff; }
.row .what .sub { display: block; font-family: var(--font-mono); font-size: 0.72rem; color: #ADA4C9; font-weight: 400; margin-top: 4px; letter-spacing: 0.02em; }
.row .meta-r { font-family: var(--font-mono); font-size: 0.72rem; color: #ADA4C9; text-align: right; letter-spacing: 0.06em; }
.row.is-keynote .what { color: #fff; }
.kflag { font-family: var(--font-mono); font-size: 0.62rem; color: var(--accent-ink); border: 1px solid rgba(185,168,255,0.4); border-radius: 4px; padding: 2px 6px; margin-left: 8px; letter-spacing: 0.08em; vertical-align: middle; }
.kflag.sflag { color: #6FE3C8; border-color: rgba(111,227,200,0.45); }
.row.is-sponsor { background: rgba(111,227,200,0.05); border-left-color: rgba(111,227,200,0.5); }
.row.is-sponsor:hover { background: rgba(111,227,200,0.10); border-left-color: #6FE3C8; }
.row.is-end { background: rgba(124,58,237,0.06); }
@media (max-width: 720px) {
  .row { grid-template-columns: 96px 1fr; }
  .row .meta-r { grid-column: 2; text-align: left; margin-top: 2px; }
}

/* ============================================================
   REGISTERED POSTERS — multi-row auto-scrolling card marquee
   ============================================================ */
.marquee {
  margin-top: 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
          mask-image: linear-gradient(90deg, transparent 0, #000 5%, #000 95%, transparent 100%);
}
.marquee__row { overflow: hidden; }
.marquee__track {
  display: flex;
  align-items: center;         /* cards balanced around the row's centre line */
  gap: 18px;
  width: max-content;
  padding: 14px 10px;          /* tight rows; room for hover lift/shadow */
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  will-change: transform;
}
.marquee__row--left  .marquee__track { animation-name: marquee-left; }
.marquee__row--right .marquee__track { animation-name: marquee-right; }
.marquee:hover .marquee__track { animation-play-state: paused; }

@keyframes marquee-left  { from { transform: translateX(0); }    to { transform: translateX(-50%); } }
@keyframes marquee-right { from { transform: translateX(-50%); } to { transform: translateX(0); } }

.pcard {
  flex: 0 0 auto;
  width: var(--w, 320px);
  transform: translateY(var(--y, 0px));   /* symmetric vertical jitter around centre */
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 18px 20px 20px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--bg-pure);
  box-shadow: 0 14px 34px -28px rgba(20,16,31,0.55);
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.pcard:hover {
  border-color: var(--accent);
  transform: translateY(calc(var(--y, 0px) - 4px));   /* keep jitter, add lift */
  box-shadow: 0 22px 48px -26px rgba(91,46,229,0.5);
}
.pcard__top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.pcard .dot { width: 9px; height: 9px; border-radius: 50%; flex: 0 0 auto; margin-right: 9px; }
.pcard .dot.d1 { background: var(--accent); }
.pcard .dot.d2 { background: var(--accent-2); }
.pcard .dot.d3 { background: var(--accent-3); }
.pcard__id { display: flex; align-items: center; }
.pcard .pid { font-family: var(--font-mono); font-size: 0.76rem; font-weight: 500; color: var(--accent); letter-spacing: 0.04em; }
.pcard .ptag {
  font-family: var(--font-mono);
  font-size: 0.62rem; letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--hairline);
  border-radius: 5px;
  padding: 5px 9px;
  white-space: nowrap;
}
.pcard__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.02rem;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.marquee-note {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.03em;
  color: var(--muted);
  margin-top: 30px;
}
.marquee-note .br { color: var(--accent); }

/* ----- View switch (tabs) ----- */
.poster-tabs {
  display: inline-flex;
  gap: 4px;
  margin-top: 28px;
  padding: 4px;
  border: 1px solid var(--hairline);
  border-radius: 9px;
  background: var(--bg-pure);
}
.ptab {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
  background: transparent;
  border: none;
  border-radius: 7px;
  padding: 9px 16px;
  cursor: pointer;
  transition: background .14s ease, color .14s ease;
}
.ptab:hover { color: var(--ink); }
.ptab.is-active { background: var(--accent); color: #fff; }

.poster-panel[hidden] { display: none; }

/* ----- Full static poster list ----- */
.plist {
  margin-top: 40px;
  padding: 0;
  list-style: none;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  overflow: hidden;
  background: var(--bg-pure);
  counter-reset: poster;
}
.plist__item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 8px 20px;
  align-items: center;
  padding: 18px 24px;
  border-bottom: 1px solid var(--hairline);
  transition: background .14s ease;
}
.plist__item:last-child { border-bottom: none; }
.plist__item:hover { background: rgba(124,58,237,0.06); }
.plist__id { display: inline-flex; align-items: center; }
.plist__id .pid { font-family: var(--font-mono); font-size: 0.78rem; font-weight: 500; color: var(--accent); letter-spacing: 0.04em; }
.plist__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.04rem;
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.plist__authors {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.55;
  letter-spacing: 0.02em;
  color: var(--muted);
}
@media (max-width: 600px) {
  .plist__item { grid-template-columns: 64px 1fr; row-gap: 8px; }
  .plist__authors { grid-column: 2; }
}

/* ============================================================
   ORGANIZERS
   ============================================================ */
.org-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .org-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 560px) { .org-grid { grid-template-columns: repeat(2, 1fr); } }
.organizer {
  text-align: left;
  display: block;
  color: inherit;
}
.organizer .av {
  width: 76px; height: 76px; border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(160deg, #1A1430, #0E0B16);
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 700; color: var(--accent-ink);
  border: 1px solid var(--hairline-dk);
  margin-bottom: 14px;
  font-size: 1.5rem;
  transition: border-color .15s ease, transform .15s ease, box-shadow .15s ease;
}
.organizer .av img { width: 100%; height: 100%; object-fit: cover; display: block; }
a.organizer:hover .av {
  border-color: var(--accent-ink);
  transform: translateY(-3px);
  box-shadow: 0 18px 38px -22px rgba(124,58,237,0.6);
}
.organizer .name { font-weight: 500; font-size: 1.05rem; transition: color .15s ease; }
a.organizer:hover .name { color: var(--accent-ink); }
.organizer .inst { font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); margin-top: 4px; letter-spacing: 0.04em; }
.contact-line { font-family: var(--font-mono); font-size: 0.8rem; color: var(--muted); margin-top: 40px; letter-spacing: 0.04em; }
.contact-line .br { color: var(--accent); }

/* sponsors — inline "with generous support of" + logo buttons */
.support {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px 18px;
  margin-top: 28px;
}
.support-text {
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.6rem);
  font-weight: 500;
  color: #EDE9F7;
  margin-right: 4px;
}
.sponsor-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 8px 18px 8px 8px;
  background: linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border: 1px solid var(--hairline-dk);
  border-radius: 14px;
  color: #EDE9F7;
  line-height: 1;
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease, background .18s ease;
}
.sponsor-btn .chip {
  width: 40px;
  height: 40px;
  flex: 0 0 auto;
  border-radius: 10px;
  background: #fff;
  display: grid;
  place-items: center;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,0.04);
}
.sponsor-btn .chip img {
  width: 26px;
  height: 26px;
  object-fit: contain;
  display: block;
}
.sponsor-btn .label {
  color: #EDE9F7;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.04rem;
  letter-spacing: 0.005em;
}
.sponsor-btn .go {
  color: var(--accent-ink);
  font-size: 0.92rem;
  margin-left: 2px;
  opacity: 0.55;
  transform: translate(-2px, 0);
  transition: transform .18s ease, opacity .18s ease;
}
.sponsor-btn:hover {
  transform: translateY(-3px);
  border-color: var(--accent-ink);
  background: linear-gradient(180deg, rgba(124,58,237,0.20), rgba(124,58,237,0.08));
  box-shadow: 0 20px 42px -24px rgba(124,58,237,0.85);
}
.sponsor-btn:hover .go { opacity: 1; transform: translate(1px, -1px); }
@media (max-width: 560px) {
  .support-text { flex-basis: 100%; }
}

/* poster preview in about */
.about-grid { display: grid; grid-template-columns: 1fr 0.7fr; gap: 48px; align-items: center; }
@media (max-width: 880px) { .about-grid { grid-template-columns: 1fr; } }
.poster-card {
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--hairline);
  box-shadow: 0 24px 60px -28px rgba(91,46,229,0.45);
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer { background: var(--surface-dark); color: #C9C2E0; padding-block: 56px 40px; }
.footer-top { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 28px; align-items: flex-start; }
.footer-brand { font-family: var(--font-mono); font-weight: 700; color: #fff; font-size: 1.05rem; }
.footer-brand .dot { color: var(--accent-ink); }
.footer-tag { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--accent-ink); margin-top: 10px; }
.footer-links { display: flex; gap: 26px; flex-wrap: wrap; }
.footer-links a { font-family: var(--font-mono); font-size: 0.74rem; letter-spacing: 0.1em; text-transform: uppercase; color: #ADA4C9; }
.footer-links a:hover { color: #fff; }
.footer-bottom { margin-top: 40px; padding-top: 22px; border-top: 1px solid var(--hairline-dk); font-family: var(--font-mono); font-size: 0.72rem; color: var(--muted); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; }

/* ============================================================
   MOTION
   ============================================================ */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity .55s ease, transform .55s ease; }
.reveal.in { opacity: 1; transform: none; }

@keyframes nodeDrift {
  0%, 100% { transform: translate(0,0); }
  50% { transform: translate(2px,-3px); }
}
.node-anim { animation: nodeDrift 9s ease-in-out infinite; }
.node-anim.b { animation-duration: 11s; animation-delay: -3s; }
.node-anim.c { animation-duration: 13s; animation-delay: -6s; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  /* Disable only decorative loops; the poster marquee is the section's point. */
  .node-anim { animation: none !important; }
  .reveal { opacity: 1; transform: none; transition: none; }
}