/* ==========================================================================
   B-ICON 2026 — design system
   Palette follows the call-for-papers poster (violet, orange, amber) and the
   five petal colours of the Rafflesia logo.
   ========================================================================== */
/* Self-hosted variable fonts (latin subset), so the site needs no third-party font service. */
@font-face { font-family: "Bricolage Grotesque"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("../fonts/bricolage-grotesque-latin-wght-normal.woff2") format("woff2"); }
@font-face { font-family: "Plus Jakarta Sans"; font-style: normal; font-weight: 200 800; font-display: swap; src: url("../fonts/plus-jakarta-sans-latin-wght-normal.woff2") format("woff2"); }
:root {
  --v950: #140A3B;
  --v900: #1B0B4D;
  --v800: #2A1370;
  --v700: #3B1C9A;
  --v600: #4E27BF;
  --v500: #6540DD;
  --v300: #A996F0;
  --v200: #CFC4F8;
  --v100: #EEE9FF;
  --v50: #F7F5FF;
  --o500: #FF7A1A;
  --o600: #E8630A;
  --o700: #B94A00;
  --a400: #FFC61A;
  --a300: #FFD75E;
  --ink: #1A1433;
  --ink2: #453F63;
  --muted: #6B6688;
  --line: #E6E1F5;
  --card: #FFFFFF;
  --bg: #FBFAFF;
  --green: #1FA463;
  --red: #E5332A;
  --cyan: #27AAE1;
  --pink: #D33F84;
  --lime: #8DC63F;

  --r-sm: 10px;
  --r: 16px;
  --r-lg: 24px;
  --r-xl: 32px;
  --shadow-sm: 0 1px 2px rgba(35, 15, 100, .06);
  --shadow: 0 1px 2px rgba(35, 15, 100, .06), 0 10px 30px rgba(35, 15, 100, .08);
  --shadow-lg: 0 30px 70px rgba(27, 11, 77, .28);
  --font-d: "Bricolage Grotesque", "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-b: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --header-h: 76px;
  --wrap: 1200px;
  --gut: clamp(16px, 4vw, 32px);
}

/* ---------- reset scoped to the app (zero specificity so component classes always win) ---------- */
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 16px); }
body.bicon-body, :where(#bicon-root) { word-spacing: .05em; margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-b); font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility; }
html :where(#bicon-root), html :where(#bicon-root) * { box-sizing: border-box; }
html :where(#bicon-root) img { max-width: 100%; height: auto; display: block; }
html :where(#bicon-root) h1, html :where(#bicon-root) h2, html :where(#bicon-root) h3, html :where(#bicon-root) h4 { font-family: var(--font-d); color: var(--ink); line-height: 1.12; margin: 0; letter-spacing: -.02em; font-weight: 700; }
html :where(#bicon-root) p { margin: 0 0 1em; }
html :where(#bicon-root) a { color: var(--v600); text-decoration: none; }
html :where(#bicon-root) a:hover { text-decoration: underline; }
html :where(#bicon-root) ul, html :where(#bicon-root) ol { margin: 0; padding: 0; list-style: none; }
html :where(#bicon-root) button { font: inherit; cursor: pointer; }
html :where(#bicon-root) :focus-visible { outline: 3px solid var(--o500); outline-offset: 3px; border-radius: 6px; }
.bn-native { display: none !important; }
.sr-only { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: 12px; top: -60px; background: var(--o500); color: #fff !important; padding: 10px 16px; border-radius: 10px; z-index: 1000; font-weight: 700; transition: top .2s; }
.skip-link:focus { top: 12px; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gut); }
.ico { width: 1.15em; height: 1.15em; flex: none; vertical-align: -0.18em; }

/* ---------- boot ---------- */
.boot { min-height: 100vh; display: grid; place-items: center; background: var(--v900); color: #fff; }
.boot__inner { text-align: center; }
.boot img { width: 96px; margin: 0 auto 16px; animation: bootspin 6s linear infinite; }
@keyframes bootspin { to { transform: rotate(360deg); } }
.boot p { font-weight: 600; letter-spacing: .04em; opacity: .85; margin: 0; }

/* ---------- announcement bar ---------- */
.annbar { background: linear-gradient(90deg, var(--o600), var(--o500) 40%, var(--a400)); color: #1a0b00; font-size: 14px; font-weight: 600; }
.annbar .wrap { display: flex; gap: 12px; align-items: center; justify-content: center; padding-top: 8px; padding-bottom: 8px; text-align: center; }
.annbar a { color: #1a0b00; text-decoration: underline !important; text-underline-offset: 3px; }
.annbar button { background: none; border: 0; color: #1a0b00; padding: 4px; line-height: 1; opacity: .7; }
.annbar button:hover { opacity: 1; }

/* ---------- header / nav ---------- */
.site-header { position: sticky; top: 0; z-index: 90; background: rgba(255, 255, 255, .88); backdrop-filter: saturate(1.4) blur(14px); -webkit-backdrop-filter: saturate(1.4) blur(14px); border-bottom: 1px solid rgba(78, 39, 191, .10); transition: box-shadow .25s; }
.site-header.is-stuck { box-shadow: 0 8px 30px rgba(35, 15, 100, .10); }
.site-header .wrap { display: flex; align-items: center; height: var(--header-h); gap: 18px; }
.brand { display: flex; align-items: center; gap: 14px; text-decoration: none !important; color: var(--ink) !important; flex: none; }
.brand__pk { height: 34px; width: auto; }
.brand__sep { width: 1px; height: 34px; background: var(--line); }
.brand__bi { display: flex; align-items: center; gap: 8px; }
.brand__bi img { height: 42px; width: auto; }
.brand__txt { font-family: var(--font-d); font-weight: 800; font-size: 20px; line-height: 1; letter-spacing: -.02em; color: var(--v800); }
.brand__txt small { display: block; font-family: var(--font-b); font-weight: 700; font-size: 10.5px; letter-spacing: .18em; color: var(--o600); margin-top: 3px; }
.nav { margin-left: auto; display: flex; align-items: center; gap: 2px; }
.nav__item { position: relative; }
.nav__link { display: inline-flex; align-items: center; gap: 4px; padding: 10px 12px; color: var(--ink2) !important; font-weight: 600; font-size: 14.5px; border-radius: 10px; background: none; border: 0; text-decoration: none !important; white-space: nowrap; }
.nav__link:hover, .nav__item:focus-within > .nav__link, .nav__item:hover > .nav__link { background: var(--v50); color: var(--v700) !important; }
.nav__link.is-active { color: var(--v600) !important; background: var(--v100); }
.nav__link .chev { width: 12px; height: 12px; opacity: .6; transition: transform .2s; }
.nav__item:hover .chev, .nav__item.is-open .chev { transform: rotate(180deg); }
.nav__menu { position: absolute; top: calc(100% + 6px); left: 0; min-width: 240px; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 8px; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transform: translateY(6px); transition: .18s; z-index: 5; }
.nav__item:hover .nav__menu, .nav__item.is-open .nav__menu, .nav__item:focus-within .nav__menu { opacity: 1; visibility: visible; transform: none; }
.nav__menu a { display: flex; gap: 10px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; color: var(--ink) !important; font-weight: 600; font-size: 14.5px; text-decoration: none !important; }
.nav__menu a small { display: block; font-weight: 500; color: var(--muted); font-size: 12.5px; line-height: 1.35; margin-top: 1px; }
.nav__menu a:hover { background: var(--v50); }
.nav__menu a .ico { color: var(--v500); margin-top: 2px; font-size: 18px; }
.header__tools { display: flex; align-items: center; gap: 10px; margin-left: 8px; }
.lang { display: inline-flex; background: var(--v50); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.lang button { border: 0; background: none; padding: 5px 11px; border-radius: 999px; font-weight: 700; font-size: 12.5px; color: var(--muted); letter-spacing: .04em; }
.lang button[aria-pressed="true"] { background: var(--v700); color: #fff; }
.burger { display: none; width: 44px; height: 44px; border-radius: 12px; border: 1px solid var(--line); background: #fff; color: var(--v800); align-items: center; justify-content: center; }
.burger .ico { width: 22px; height: 22px; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 22px; border-radius: 999px; font-weight: 700; font-size: 15px; border: 2px solid transparent; text-decoration: none !important; transition: transform .15s, box-shadow .2s, background .2s, color .2s; white-space: nowrap; line-height: 1.2; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn--primary { background: linear-gradient(135deg, var(--o500), var(--o600)); color: #fff !important; box-shadow: 0 10px 24px rgba(232, 99, 10, .35); }
.btn--primary:hover { box-shadow: 0 14px 30px rgba(232, 99, 10, .45); }
.btn--violet { background: var(--v600); color: #fff !important; box-shadow: 0 10px 24px rgba(78, 39, 191, .3); }
.btn--ghost { background: rgba(255, 255, 255, .10); color: #fff !important; border-color: rgba(255, 255, 255, .35); }
.btn--ghost:hover { background: rgba(255, 255, 255, .2); }
.btn--outline { background: #fff; color: var(--v700) !important; border-color: var(--v200); }
.btn--outline:hover { border-color: var(--v500); background: var(--v50); }
.btn--sm { padding: 9px 16px; font-size: 14px; }
.btn--lg { padding: 16px 28px; font-size: 16px; }
.btn[disabled], .btn.is-loading { opacity: .65; pointer-events: none; }
.btn .spin { width: 16px; height: 16px; border: 2.5px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: bootspin .7s linear infinite; }

/* mobile drawer */
.drawer { position: fixed; inset: 0; z-index: 200; background: rgba(20, 10, 59, .55); backdrop-filter: blur(4px); opacity: 0; visibility: hidden; transition: .25s; }
.drawer.is-open { opacity: 1; visibility: visible; }
.drawer__panel { position: absolute; top: 0; right: 0; bottom: 0; width: min(92vw, 400px); background: #fff; transform: translateX(100%); transition: transform .3s cubic-bezier(.2, .8, .2, 1); display: flex; flex-direction: column; }
.drawer.is-open .drawer__panel { transform: none; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); }
.drawer__body { overflow-y: auto; padding: 10px 14px 24px; flex: 1; }
.drawer__group > button, .drawer__link { display: flex; width: 100%; align-items: center; justify-content: space-between; padding: 14px 10px; background: none; border: 0; font-weight: 700; font-size: 17px; color: var(--ink) !important; text-decoration: none !important; border-bottom: 1px solid var(--line); text-align: left; }
.drawer__group .sub { display: none; padding: 6px 0 10px 8px; }
.drawer__group.is-open .sub { display: block; }
.drawer__group.is-open > button .chev { transform: rotate(180deg); }
.drawer__group .sub a { display: block; padding: 10px 12px; border-radius: 10px; color: var(--ink2) !important; font-weight: 600; text-decoration: none !important; }
.drawer__group .sub a:hover { background: var(--v50); }
.drawer__foot { padding: 14px 18px calc(14px + env(safe-area-inset-bottom)); border-top: 1px solid var(--line); display: grid; gap: 10px; }

/* ---------- generic sections ---------- */
main { display: block; }
.section { padding: clamp(56px, 8vw, 104px) 0; position: relative; }
.section--tint { background: var(--v50); }
.section--dark { background: var(--v900); color: #fff; }
.section--dark h2, .section--dark h3, .section--dark h4 { color: #fff !important; }
.section--tight { padding: clamp(40px, 5vw, 64px) 0; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-weight: 800; font-size: 12.5px; letter-spacing: .16em; text-transform: uppercase; color: var(--o600); margin-bottom: 14px; }
.eyebrow::before { content: ""; width: 28px; height: 3px; border-radius: 3px; background: linear-gradient(90deg, var(--o500), var(--a400)); }
.section--dark .eyebrow { color: var(--a400); }
.h2 { font-size: clamp(30px, 4.2vw, 46px); }
.h3 { font-size: clamp(22px, 2.6vw, 28px); }
.lead { font-size: clamp(17px, 1.6vw, 20px); color: var(--ink2); line-height: 1.6; max-width: 68ch; }
.section--dark .lead { color: rgba(255, 255, 255, .8); }
.sec-head { max-width: 760px; margin-bottom: clamp(28px, 4vw, 48px); }
.sec-head--center { text-align: center; margin-left: auto; margin-right: auto; }
.sec-head--center .lead { margin-left: auto; margin-right: auto; }
.sec-head--row { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; max-width: none; flex-wrap: wrap; }
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; display: block; }
.dots i:nth-child(1) { background: var(--a400); } .dots i:nth-child(2) { background: var(--red); } .dots i:nth-child(3) { background: var(--pink); } .dots i:nth-child(4) { background: var(--cyan); } .dots i:nth-child(5) { background: var(--lime); }
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
.split { display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(28px, 5vw, 72px); align-items: center; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 28px; box-shadow: var(--shadow-sm); }
.card--lift { transition: transform .25s, box-shadow .25s, border-color .25s; }
.card--lift:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--v200); }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 6px 12px; border-radius: 999px; background: var(--v100); color: var(--v700); font-weight: 700; font-size: 13px; line-height: 1.2; }
.chip--o { background: #FFEBD9; color: var(--o700); }
.chip--g { background: #DDF5E8; color: #0E6B3F; }
.chip--r { background: #FFE0DE; color: #A61B14; }
.chip--dark { background: rgba(255, 255, 255, .12); color: #fff; }
.chip--line { background: #fff; border: 1px solid var(--line); color: var(--ink2); }

/* reveal */
.rv { opacity: 0; transform: translateY(22px); transition: opacity .7s cubic-bezier(.2, .7, .2, 1), transform .7s cubic-bezier(.2, .7, .2, 1); }
.rv.is-in { opacity: 1; transform: none; }
.rv[data-d="1"] { transition-delay: .08s; } .rv[data-d="2"] { transition-delay: .16s; } .rv[data-d="3"] { transition-delay: .24s; } .rv[data-d="4"] { transition-delay: .32s; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } html { scroll-behavior: auto; } .boot img { animation: none; } * { animation-duration: .001ms !important; } }

/* ---------- hero ---------- */
.hero { position: relative; color: #fff; overflow: hidden; background:
  radial-gradient(900px 520px at 88% -8%, rgba(120, 82, 240, .75), transparent 62%),
  radial-gradient(700px 480px at -5% 105%, rgba(255, 122, 26, .28), transparent 62%),
  linear-gradient(165deg, var(--v950), var(--v800) 58%, var(--v700)); }
.hero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .14) 1.6px, transparent 1.8px); background-size: 34px 34px; mask-image: linear-gradient(180deg, #000 0%, transparent 78%); -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 78%); opacity: .55; }
.hero__flower { position: absolute; right: -180px; top: -120px; width: 760px; max-width: none; opacity: .09; transform: rotate(14deg); pointer-events: none; }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr); gap: clamp(28px, 5vw, 64px); align-items: center; padding-top: clamp(40px, 6vw, 72px); padding-bottom: clamp(56px, 8vw, 96px); }
.hero__badge { display: inline-flex; align-items: center; gap: 10px; background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .22); padding: 8px 16px 8px 10px; border-radius: 999px; font-weight: 700; font-size: 13.5px; margin-bottom: 22px; backdrop-filter: blur(6px); }
.hero__badge img { width: 26px; height: 26px; }
.hero__kicker { font-family: var(--font-d); font-weight: 800; font-size: clamp(16px, 1.6vw, 20px); letter-spacing: .02em; color: var(--a400); margin: 0 0 6px; text-transform: uppercase; }
.hero h1 { color: #fff !important; font-size: clamp(40px, 6.6vw, 82px); line-height: .98; letter-spacing: -.035em; font-weight: 800; }
.hero h1 .accent { color: var(--a400); }
.hero__sub { font-size: clamp(18px, 2vw, 25px); font-weight: 600; margin: 18px 0 0; color: rgba(255, 255, 255, .92); max-width: 30ch; line-height: 1.3; font-family: var(--font-d); letter-spacing: -.01em; }
.hero__meta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero__meta .chip { padding: 9px 14px; font-size: 14px; background: rgba(255, 255, 255, .12); color: #fff; border: 1px solid rgba(255, 255, 255, .18); }
.hero__cta { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero__visual { position: relative; justify-self: center; width: min(100%, 440px); }
.hero__arch { position: relative; border-radius: 999px 999px 32px 32px; overflow: hidden; aspect-ratio: 4 / 5.1; box-shadow: var(--shadow-lg), 0 0 0 10px rgba(255, 255, 255, .08); background: var(--v800); }
.hero__arch img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.hero__arch::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(27, 11, 77, .05), rgba(27, 11, 77, .0) 50%, rgba(27, 11, 77, .55)); }
.hero__ring { position: absolute; inset: -18px; border-radius: 999px 999px 40px 40px; border: 2px dashed rgba(255, 198, 26, .55); pointer-events: none; }
.hero__float { position: absolute; background: #fff; color: var(--ink); border-radius: 18px; padding: 12px 16px; box-shadow: var(--shadow-lg); display: flex; gap: 12px; align-items: center; font-weight: 700; font-size: 14px; line-height: 1.25; }
.hero__float--a { left: -22px; bottom: 54px; }
.hero__float--b { right: -14px; top: 22%; }
.hero__float .badge-ico { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: #FFEBD9; color: var(--o600); font-size: 20px; }
.hero__float small { display: block; font-weight: 600; color: var(--muted); font-size: 12px; }
.hero__float--b img { width: 44px; }
.hero__orgs { position: absolute; left: 50%; transform: translateX(-50%); bottom: -22px; background: #fff; border-radius: 18px; padding: 10px 18px; display: flex; align-items: center; gap: 12px; box-shadow: var(--shadow-lg); white-space: nowrap; }
.hero__orgs img { height: 28px; width: auto; }
.hero__orgs i { width: 1px; height: 26px; background: var(--line); }

/* countdown */
.cd { display: flex; gap: 10px; margin-top: 34px; align-items: stretch; flex-wrap: wrap; }
.cd__lbl { flex-basis: 100%; font-size: 12.5px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; color: rgba(255, 255, 255, .7); margin-bottom: -2px; }
.cd__t { min-width: 76px; padding: 12px 10px 10px; text-align: center; background: rgba(255, 255, 255, .10); border: 1px solid rgba(255, 255, 255, .18); border-radius: 18px; backdrop-filter: blur(6px); }
.cd__t b { display: block; font-family: var(--font-d); font-size: 34px; line-height: 1; font-weight: 800; font-variant-numeric: tabular-nums; }
.cd__t span { font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(255, 255, 255, .7); }

/* page hero (inner pages) */
.phero { position: relative; color: #fff; overflow: hidden; background: radial-gradient(700px 380px at 90% -20%, rgba(120, 82, 240, .7), transparent 60%), linear-gradient(165deg, var(--v900), var(--v700)); padding: clamp(40px, 6vw, 72px) 0 clamp(44px, 6vw, 80px); }
.phero::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255, 255, 255, .13) 1.5px, transparent 1.7px); background-size: 30px 30px; mask-image: linear-gradient(90deg, transparent 30%, #000); -webkit-mask-image: linear-gradient(90deg, transparent 30%, #000); }
.phero__flower { position: absolute; right: -60px; bottom: -110px; width: 380px; opacity: .13; transform: rotate(-12deg); }
.phero .wrap { position: relative; }
.crumbs { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13.5px; font-weight: 600; color: rgba(255, 255, 255, .7); margin-bottom: 18px; }
.crumbs a { color: rgba(255, 255, 255, .85) !important; }
.phero h1 { color: #fff !important; font-size: clamp(34px, 5.2vw, 60px); max-width: 20ch; }
.phero p { color: rgba(255, 255, 255, .85); font-size: clamp(16px, 1.6vw, 19px); max-width: 60ch; margin: 16px 0 0; }
.phero__actions { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 26px; }

/* stats */
.stats { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); box-shadow: var(--shadow); display: grid; grid-template-columns: repeat(5, 1fr); margin-top: -46px; position: relative; z-index: 2; overflow: hidden; }
.stat { padding: 26px 20px; text-align: center; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat b { display: block; font-family: var(--font-d); font-weight: 800; font-size: clamp(34px, 4vw, 48px); line-height: 1; color: var(--v600); letter-spacing: -.03em; }
.stat b em { font-style: normal; color: var(--o500); }
.stat span { display: block; margin-top: 8px; font-size: 13.5px; font-weight: 600; color: var(--muted); line-height: 1.35; }

/* one health graphic */
.oh { position: relative; max-width: 460px; margin: 0 auto; }
.oh svg { width: 100%; height: auto; overflow: visible; }
.oh .pulse { animation: ohpulse 3.2s ease-in-out infinite; transform-origin: center; transform-box: fill-box; }
@keyframes ohpulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
.tag-list { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }

/* speakers */
.spk { position: relative; overflow: hidden; display: flex; flex-direction: column; padding: 0; cursor: pointer; text-align: left; width: 100%; }
.spk__img { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--v100); }
.spk__img img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s cubic-bezier(.2, .7, .2, 1); }
.spk:hover .spk__img img { transform: scale(1.05); }
.spk__field { position: absolute; left: 12px; bottom: 12px; }
.spk__body { padding: 18px 20px 22px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.spk__n { font-family: var(--font-d); font-weight: 800; color: var(--o600); font-size: 13px; letter-spacing: .12em; text-transform: uppercase; }
.spk__name { font-family: var(--font-d); font-weight: 700; font-size: 20px; line-height: 1.15; letter-spacing: -.015em; }
.spk__org { font-size: 13.5px; color: var(--muted); line-height: 1.4; }
.spk__topic { font-size: 14px; color: var(--ink2); font-weight: 600; line-height: 1.4; margin-top: 8px; padding-top: 12px; border-top: 1px dashed var(--line); }
.spk__go { margin-top: auto; padding-top: 12px; font-weight: 700; font-size: 14px; color: var(--v600); display: inline-flex; gap: 6px; align-items: center; }
.spk--big { flex-direction: row; }
.grid--spk { grid-template-columns: repeat(5, 1fr); gap: 16px; }
.grid--spk .spk__name { font-size: 17px; }
.grid--spk .spk__topic { font-size: 13px; }

/* modal */
.modal { position: fixed; inset: 0; z-index: 300; display: grid; place-items: center; padding: 20px; background: rgba(20, 10, 59, .66); backdrop-filter: blur(6px); opacity: 0; visibility: hidden; transition: .2s; overflow-y: auto; }
.modal.is-open { opacity: 1; visibility: visible; }
.modal__box { background: #fff; border-radius: var(--r-xl); width: min(880px, 100%); max-height: calc(100vh - 40px); overflow: hidden; display: flex; flex-direction: column; box-shadow: var(--shadow-lg); transform: translateY(16px) scale(.98); transition: transform .25s cubic-bezier(.2, .8, .2, 1); position: relative; }
.modal.is-open .modal__box { transform: none; }
.modal__x { position: absolute; top: 14px; right: 14px; z-index: 3; width: 42px; height: 42px; border-radius: 50%; border: 0; background: rgba(255, 255, 255, .92); color: var(--ink); box-shadow: var(--shadow); display: grid; place-items: center; font-size: 20px; }
.modal__scroll { overflow-y: auto; }
.spm { display: grid; grid-template-columns: 300px 1fr; }
.spm__side { background: linear-gradient(170deg, var(--v800), var(--v600)); color: #fff; padding: 28px; }
.spm__side img { border-radius: 22px; width: 100%; aspect-ratio: 1; object-fit: cover; box-shadow: 0 16px 40px rgba(0, 0, 0, .3); }
.spm__side h3 { color: #fff !important; font-size: 22px; margin-top: 18px; }
.spm__side p { color: rgba(255, 255, 255, .8); font-size: 14px; margin: 8px 0 0; }
.spm__main { padding: 32px clamp(22px, 3vw, 36px) 36px; }
.spm__main h4 { font-size: 13px; text-transform: uppercase; letter-spacing: .14em; color: var(--o600); margin: 22px 0 8px; font-family: var(--font-b); font-weight: 800; }
.spm__main h4:first-child { margin-top: 0; }
.spm__topic { font-family: var(--font-d); font-size: 23px; font-weight: 700; line-height: 1.2; letter-spacing: -.015em; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }

/* timeline: dates */
.tl { position: relative; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: tl; }
.tl__i { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); padding: 22px 22px 22px; display: flex; flex-direction: column; gap: 6px; transition: .25s; overflow: hidden; }
.tl__i::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 5px; background: var(--v200); }
.tl__i.is-done { background: #FAFAFC; }
.tl__i.is-done::before { background: var(--green); }
.tl__i.is-now::before { background: linear-gradient(180deg, var(--o500), var(--a400)); }
.tl__i.is-now { border-color: var(--o500); box-shadow: 0 12px 34px rgba(255, 122, 26, .22); }
.tl__i.is-hi { background: linear-gradient(160deg, var(--v800), var(--v600)); color: #fff; border-color: transparent; }
.tl__i.is-hi .tl__d, .tl__i.is-hi .tl__t { color: #fff; }
.tl__i.is-hi .tl__n { color: rgba(255, 255, 255, .78); }
.tl__ico { width: 42px; height: 42px; border-radius: 13px; background: var(--v100); color: var(--v600); display: grid; place-items: center; font-size: 20px; margin-bottom: 8px; }
.tl__i.is-now .tl__ico { background: #FFEBD9; color: var(--o600); }
.tl__i.is-done .tl__ico { background: #DDF5E8; color: var(--green); }
.tl__i.is-hi .tl__ico { background: rgba(255, 255, 255, .16); color: var(--a400); }
.tl__d { font-family: var(--font-d); font-weight: 800; font-size: 22px; letter-spacing: -.02em; color: var(--v700); line-height: 1.15; }
.tl__t { font-weight: 700; font-size: 15px; color: var(--ink); line-height: 1.4; }
.tl__n { font-size: 13px; color: var(--muted); line-height: 1.45; }
.tl__st { position: absolute; top: 16px; right: 16px; font-size: 11px; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; padding: 4px 10px; border-radius: 999px; background: var(--v100); color: var(--v700); }
.tl__i.is-now .tl__st { background: var(--o500); color: #fff; }
.tl__i.is-done .tl__st { background: #DDF5E8; color: #0E6B3F; }

/* tracks */
.track { display: flex; gap: 14px; align-items: center; padding: 16px 18px; background: #fff; border: 1px solid var(--line); border-radius: 20px; transition: .25s; position: relative; overflow: hidden; }
.track:hover { transform: translateY(-3px); box-shadow: var(--shadow); border-color: var(--tc, var(--v300)); }
.track__ico { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; font-size: 25px; color: #fff; background: var(--tc, var(--v600)); flex: none; }
.track__n { font-family: var(--font-d); font-weight: 800; font-size: 12px; color: var(--tc, var(--v600)); letter-spacing: .1em; }
.track__t { font-weight: 700; line-height: 1.3; font-size: 15.5px; }

/* fees */
.fee { border-radius: var(--r-xl); padding: 28px; position: relative; overflow: hidden; display: flex; flex-direction: column; gap: 6px; border: 1px solid transparent; }
.fee--cyan { background: #DDF6FB; border-color: #B7E9F4; }
.fee--amber { background: #FFF3CF; border-color: #FFE49A; }
.fee--violet { background: var(--v100); border-color: var(--v200); }
.fee h3 { font-size: 22px; }
.fee small { color: var(--ink2); font-weight: 600; font-size: 14px; }
.fee__amt { margin-top: 16px; display: inline-block; align-self: flex-start; font-family: var(--font-d); font-weight: 800; font-size: clamp(24px, 2.4vw, 32px); padding: 8px 20px; border-radius: 16px; color: #fff; letter-spacing: -.02em; white-space: nowrap; }
.fee--cyan .fee__amt { background: #14A3B0; }
.fee--amber .fee__amt { background: linear-gradient(135deg, var(--o500), var(--o600)); }
.fee--violet .fee__amt { background: var(--v600); }
.fee__tag { align-self: flex-start; margin-bottom: 12px; }
.offer { display: flex; gap: 18px; align-items: flex-start; background: linear-gradient(120deg, #fff, #FFF7E0); border: 1.5px dashed var(--o500); border-radius: var(--r-lg); padding: 24px 26px; }
.offer .ico { font-size: 34px; color: var(--o600); flex: none; }
.offer h4 { font-size: 18px; color: var(--o700) !important; margin-bottom: 6px; }
.offer p { margin: 0; color: var(--ink2); }
.notes { display: grid; gap: 10px; margin-top: 22px; }
.notes li { display: flex; gap: 10px; align-items: flex-start; color: var(--ink2); font-size: 15px; }
.notes .ico { color: var(--v500); margin-top: 3px; }

/* publications */
.pub { display: flex; gap: 16px; align-items: flex-start; padding: 20px 22px; }
.pub__n { width: 42px; height: 42px; border-radius: 50%; color: #fff; display: grid; place-items: center; font-family: var(--font-d); font-weight: 800; font-size: 18px; flex: none; }
.pub__t { font-weight: 700; line-height: 1.35; font-size: 16.5px; }
.pub__i { display: inline-block; margin-top: 8px; }
.pub--wide { grid-column: span 2; }

/* programme */
.prog { position: relative; display: grid; gap: 14px; }
.prog__row { display: grid; grid-template-columns: 132px 1fr; gap: 20px; align-items: stretch; }
.prog__time { text-align: right; padding-top: 18px; font-family: var(--font-d); font-weight: 800; color: var(--v700); font-size: 20px; line-height: 1.1; letter-spacing: -.01em; }
.prog__time small { display: block; font-family: var(--font-b); font-weight: 600; font-size: 12.5px; color: var(--muted); margin-top: 4px; }
.prog__card { position: relative; background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px 22px; display: flex; gap: 16px; align-items: center; transition: .25s; }
.prog__card::before { content: ""; position: absolute; left: -11px; top: 22px; width: 12px; height: 12px; border-radius: 50%; background: #fff; border: 3px solid var(--v300); }
.prog__card.t-invited { border-left: 5px solid var(--o500); background: linear-gradient(90deg, #FFF8EE, #fff 45%); }
.prog__card.t-invited::before { border-color: var(--o500); }
.prog__card.t-panel { background: var(--v50); border-left: 5px solid var(--v500); }
.prog__card.t-panel::before { border-color: var(--v500); }
.prog__card.t-break { background: repeating-linear-gradient(135deg, #fff, #fff 10px, #FAF8FF 10px, #FAF8FF 20px); }
.prog__card.t-closing::before, .prog__card.t-opening::before, .prog__card.t-registration::before { border-color: var(--cyan); }
.prog__card:hover { box-shadow: var(--shadow); }
.prog__av { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; flex: none; border: 3px solid #fff; box-shadow: 0 0 0 2px var(--o500); }
.prog__body { flex: 1; min-width: 0; }
.prog__ttl { font-family: var(--font-d); font-weight: 700; font-size: 19px; line-height: 1.25; letter-spacing: -.01em; }
.prog__meta { font-size: 14px; color: var(--muted); margin-top: 4px; }
.prog__topic { font-weight: 600; color: var(--ink2); font-size: 15px; margin-top: 4px; line-height: 1.4; }
.prog__badge { flex: none; }
.prog__dur { font-size: 12.5px; font-weight: 700; color: var(--muted); white-space: nowrap; }

/* steps */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: st; }
.step { position: relative; padding: 26px 22px 24px; background: #fff; border: 1px solid var(--line); border-radius: var(--r-lg); counter-increment: st; }
.step::before { content: counter(st); position: absolute; top: -18px; left: 20px; width: 40px; height: 40px; border-radius: 50%; background: linear-gradient(135deg, var(--o500), var(--o600)); color: #fff; font-family: var(--font-d); font-weight: 800; display: grid; place-items: center; box-shadow: 0 8px 18px rgba(232, 99, 10, .35); }
.step h4 { font-size: 18px; margin: 10px 0 6px; }
.step p { margin: 0; color: var(--ink2); font-size: 14.5px; }
.steps--5 { grid-template-columns: repeat(3, 1fr); row-gap: 34px; }

/* accordion */
.acc { display: grid; gap: 12px; }
.acc__i { background: #fff; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; transition: .2s; }
.acc__i[open] { border-color: var(--v300); box-shadow: var(--shadow-sm); }
.acc__i summary { list-style: none; cursor: pointer; padding: 18px 22px; font-weight: 700; font-size: 17px; display: flex; justify-content: space-between; gap: 16px; align-items: center; }
.acc__i summary::-webkit-details-marker { display: none; }
.acc__i summary .ico { transition: transform .2s; color: var(--v500); flex: none; }
.acc__i[open] summary .ico { transform: rotate(180deg); }
.acc__a { padding: 0 22px 20px; color: var(--ink2); }
.acc__a p:last-child { margin-bottom: 0; }

/* lists */
.num-list { display: grid; gap: 14px; counter-reset: nl; }
.num-list li { position: relative; padding: 16px 18px 16px 62px; background: #fff; border: 1px solid var(--line); border-radius: 16px; counter-increment: nl; }
.num-list li::before { content: counter(nl); position: absolute; left: 16px; top: 14px; width: 34px; height: 34px; border-radius: 10px; background: var(--v100); color: var(--v700); font-family: var(--font-d); font-weight: 800; display: grid; place-items: center; }
.feat { display: flex; gap: 16px; padding: 24px; }
.feat__ico { width: 54px; height: 54px; border-radius: 16px; background: linear-gradient(135deg, var(--v600), var(--v500)); color: #fff; display: grid; place-items: center; font-size: 26px; flex: none; }
.feat h4 { font-size: 19px; margin-bottom: 6px; }
.feat p { margin: 0; color: var(--ink2); font-size: 15px; }
.check-list { display: grid; gap: 12px; }
.check-list li { display: flex; gap: 12px; align-items: flex-start; }
.check-list .ico { color: var(--green); font-size: 20px; margin-top: 2px; }
.prose p { color: var(--ink2); font-size: 17px; line-height: 1.75; }
.prose p:first-child::first-line { font-weight: 600; color: var(--ink); }
.callout { background: var(--v50); border: 1px solid var(--v200); border-left: 5px solid var(--v500); border-radius: 16px; padding: 18px 22px; color: var(--ink2); }
.callout--o { background: #FFF6EA; border-color: #FFD9B0; border-left-color: var(--o500); }
.callout p:last-child { margin: 0; }

/* news */
.news { display: flex; flex-direction: column; overflow: hidden; padding: 0; }
.news__img { aspect-ratio: 16 / 9; background: linear-gradient(135deg, var(--v700), var(--v500)); overflow: hidden; display: grid; place-items: center; }
.news__img img { width: 100%; height: 100%; object-fit: cover; }
.news__img .ph { width: 80px; opacity: .85; }
.news__b { padding: 20px 22px 24px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.news__d { font-size: 13px; font-weight: 700; color: var(--o600); }
.news__t { font-family: var(--font-d); font-weight: 700; font-size: 20px; line-height: 1.22; color: var(--ink) !important; }
.news__x { color: var(--ink2); font-size: 15px; }
.empty { text-align: center; padding: 44px 24px; border: 2px dashed var(--v200); border-radius: var(--r-lg); background: #fff; color: var(--ink2); }
.empty img { width: 70px; margin: 0 auto 14px; opacity: .9; }
.empty h4 { font-size: 20px; margin-bottom: 6px; }
.article { max-width: 780px; margin: 0 auto; }
.article__body { font-size: 18px; line-height: 1.8; color: var(--ink2); overflow-wrap: anywhere; }
.article__body img { border-radius: 16px; margin: 20px 0; }
.article__body h2, .article__body h3 { margin: 1.6em 0 .5em; }

/* ---------- forms ---------- */
.form-shell { display: grid; grid-template-columns: 300px 1fr; gap: 28px; align-items: start; }
.stepper { position: sticky; top: calc(var(--header-h) + 20px); display: grid; gap: 6px; }
.stepper li { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-radius: 16px; font-weight: 700; color: var(--muted); transition: .2s; cursor: default; }
.stepper li b { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--v100); color: var(--v600); font-family: var(--font-d); flex: none; }
.stepper li.is-on { background: #fff; color: var(--ink); box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.stepper li.is-on b { background: linear-gradient(135deg, var(--o500), var(--o600)); color: #fff; }
.stepper li.is-done b { background: var(--green); color: #fff; }
.stepper li.is-done { color: var(--ink2); cursor: pointer; }
.form-card { background: #fff; border: 1px solid var(--line); border-radius: var(--r-xl); padding: clamp(22px, 4vw, 40px); box-shadow: var(--shadow); }
.form-card h3 { font-size: 26px; margin-bottom: 6px; }
.form-card .sub { color: var(--muted); margin-bottom: 26px; }
.fgrid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px 20px; }
.f { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.f--full { grid-column: 1 / -1; }
.f label, .f .lbl { font-weight: 700; font-size: 14px; color: var(--ink); display: flex; gap: 6px; align-items: baseline; }
.f label em, .f .lbl em { font-style: normal; color: var(--red); }
.f label small, .f .lbl small { font-weight: 500; color: var(--muted); }
.f input[type=text], .f input[type=email], .f input[type=tel], .f input[type=url], .f input[type=number], .f select, .f textarea, .lookup input { width: 100%; padding: 13px 15px; border: 1.5px solid var(--line); border-radius: 14px; background: #fff; font: inherit; color: var(--ink); transition: border-color .15s, box-shadow .15s; appearance: none; -webkit-appearance: none; }
.f select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B6688' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 40px; }
.f textarea { min-height: 130px; resize: vertical; line-height: 1.55; }
.f input:hover, .f select:hover, .f textarea:hover { border-color: var(--v200); }
.f input:focus, .f select:focus, .f textarea:focus, .lookup input:focus { outline: none; border-color: var(--v500); box-shadow: 0 0 0 4px rgba(101, 64, 221, .16); }
.f.has-err input, .f.has-err select, .f.has-err textarea { border-color: var(--red); box-shadow: 0 0 0 4px rgba(229, 51, 42, .10); }
.f .err { color: var(--red); font-size: 13px; font-weight: 600; min-height: 0; display: none; }
.f.has-err .err { display: block; }
.f .hint { font-size: 12.5px; color: var(--muted); }
.f .count { text-align: right; font-size: 12.5px; color: var(--muted); }
.f .count.over { color: var(--red); font-weight: 700; }
.hp { position: absolute !important; left: -9999px; height: 0; overflow: hidden; }
.opts { display: grid; gap: 12px; }
.opt { position: relative; display: flex; gap: 14px; align-items: flex-start; padding: 16px 18px; border: 1.5px solid var(--line); border-radius: 18px; cursor: pointer; transition: .15s; background: #fff; }
.opt:hover { border-color: var(--v300); }
.opt input { position: absolute; opacity: 0; }
.opt .mark { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--v200); flex: none; margin-top: 2px; display: grid; place-items: center; transition: .15s; }
.opt input:checked ~ .mark { border-color: var(--o500); background: var(--o500); box-shadow: inset 0 0 0 4px #fff; }
.opt:has(input:checked) { border-color: var(--o500); background: #FFF8F0; box-shadow: 0 6px 18px rgba(255, 122, 26, .14); }
.opt:has(input:focus-visible) { outline: 3px solid var(--o500); outline-offset: 2px; }
.opt.is-off { opacity: .5; cursor: not-allowed; background: #F5F3FA; }
.opt__b { flex: 1; min-width: 0; }
.opt__t { display: block; font-weight: 700; line-height: 1.3; }
.opt__s { display: block; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.opt__p { font-family: var(--font-d); font-weight: 800; color: var(--v700); font-size: 18px; white-space: nowrap; }
.check { display: flex; gap: 12px; align-items: flex-start; font-size: 14.5px; color: var(--ink2); cursor: pointer; }
.check input { width: 20px; height: 20px; margin-top: 2px; accent-color: var(--o500); flex: none; }
.form-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--line); flex-wrap: wrap; }
.dropzone { border: 2px dashed var(--v200); border-radius: 18px; padding: 22px; text-align: center; background: var(--v50); transition: .15s; cursor: pointer; }
.dropzone:hover, .dropzone.is-over { border-color: var(--v500); background: #fff; }
.dropzone .ico { font-size: 30px; color: var(--v500); }
.dropzone b { display: block; margin-top: 6px; }
.dropzone small { color: var(--muted); }
.dropzone input { display: none; }
.fileinfo { display: flex; align-items: center; gap: 10px; margin-top: 10px; padding: 10px 14px; background: #fff; border: 1px solid var(--line); border-radius: 12px; font-size: 14px; }
.fileinfo button { margin-left: auto; background: none; border: 0; color: var(--red); font-weight: 700; }
.summary { display: grid; gap: 0; border: 1px solid var(--line); border-radius: 18px; overflow: hidden; }
.summary div { display: grid; grid-template-columns: 200px 1fr; gap: 12px; padding: 12px 18px; border-bottom: 1px solid var(--line); font-size: 15px; }
.summary div:nth-child(odd) { background: var(--v50); }
.summary div:last-child { border-bottom: 0; }
.summary dt { font-weight: 700; color: var(--muted); }
.summary dd { margin: 0; overflow-wrap: anywhere; }
.alert { display: flex; gap: 12px; align-items: flex-start; padding: 14px 18px; border-radius: 16px; font-size: 15px; margin-bottom: 18px; }
.alert--err { background: #FFEDEC; color: #8F1710; border: 1px solid #FFC9C6; }
.alert--ok { background: #E4F7EC; color: #0E6B3F; border: 1px solid #B8E8CD; }
.alert--info { background: var(--v50); color: var(--v800); border: 1px solid var(--v200); }
.alert .ico { font-size: 20px; margin-top: 1px; }
.success { text-align: center; padding: 10px 0 0; }
.success__ico { width: 84px; height: 84px; border-radius: 50%; background: #DDF5E8; color: var(--green); display: grid; place-items: center; margin: 0 auto 18px; font-size: 44px; animation: pop .5s cubic-bezier(.2, 1.4, .4, 1); }
@keyframes pop { from { transform: scale(.4); opacity: 0; } to { transform: none; opacity: 1; } }
.regid { display: inline-flex; align-items: center; gap: 12px; font-family: "SFMono-Regular", Menlo, Consolas, monospace; font-size: clamp(20px, 3vw, 30px); font-weight: 800; color: var(--v700); background: var(--v100); border: 2px dashed var(--v300); padding: 12px 22px; border-radius: 18px; margin: 12px 0 8px; letter-spacing: .04em; }
.regid button { border: 0; background: var(--v600); color: #fff; border-radius: 10px; padding: 8px 12px; font: 700 13px var(--font-b); }
.next-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 26px; text-align: left; }
.next-grid .card { padding: 20px; }
.next-grid h4 { font-size: 17px; margin-bottom: 6px; }
.next-grid p { font-size: 14px; color: var(--ink2); margin-bottom: 12px; }
.lookup { display: grid; grid-template-columns: 1fr 1fr auto; gap: 14px; align-items: end; }
.status-pill { display: inline-flex; padding: 6px 14px; border-radius: 999px; font-weight: 800; font-size: 13px; letter-spacing: .04em; text-transform: uppercase; }
.st-received, .st-pending { background: var(--v100); color: var(--v700); }
.st-review { background: #FFF3CF; color: #7A5300; }
.st-accepted, .st-paid, .st-verified { background: #DDF5E8; color: #0E6B3F; }
.st-rejected, .st-unpaid { background: #FFE0DE; color: #A61B14; }
.st-revision, .st-waiting { background: #FFEBD9; color: var(--o700); }
.st-waived { background: #DDF6FB; color: #0A6470; }
.regcard { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

/* ---------- poster exhibition ---------- */
.expo { background: radial-gradient(900px 500px at 50% -10%, rgba(120, 82, 240, .55), transparent 70%), linear-gradient(180deg, #120836, #1B0B4D 60%, #120836); color: #fff; }
.expo__bar { position: sticky; top: var(--header-h); z-index: 40; background: rgba(18, 8, 54, .85); backdrop-filter: blur(14px); border-bottom: 1px solid rgba(255, 255, 255, .1); }
.expo__bar .wrap { display: flex; gap: 14px; align-items: center; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
.search { position: relative; flex: 1 1 260px; }
.search input { width: 100%; padding: 13px 16px 13px 44px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .08); color: #fff; font: inherit; }
.search input::placeholder { color: rgba(255, 255, 255, .55); }
.search input:focus { outline: none; border-color: var(--a400); background: rgba(255, 255, 255, .14); }
.search .ico { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: rgba(255, 255, 255, .6); font-size: 18px; }
.expo select { padding: 12px 40px 12px 16px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .08) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E") no-repeat right 14px center; color: #fff; font: inherit; appearance: none; -webkit-appearance: none; max-width: 100%; }
.expo select option { color: #111; }
.trackbar { display: flex; gap: 8px; overflow-x: auto; padding: 0 var(--gut) 14px; max-width: var(--wrap); margin: 0 auto; scrollbar-width: thin; }
.tchip { flex: none; padding: 8px 14px; border-radius: 999px; border: 1px solid rgba(255, 255, 255, .22); background: rgba(255, 255, 255, .06); color: #fff; font-weight: 700; font-size: 13px; display: inline-flex; align-items: center; gap: 8px; }
.tchip i { width: 9px; height: 9px; border-radius: 50%; background: var(--tc, #fff); }
.tchip[aria-pressed="true"] { background: #fff; color: var(--v800); border-color: #fff; }
.tchip b { opacity: .6; font-weight: 700; }
.wall { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px 26px; padding: 40px 0 20px; }
.frame { align-self: start; position: relative; text-align: left; background: none; border: 0; padding: 0; color: #fff; }
.frame__mat { position: relative; background: #fff; padding: 9px; border-radius: 6px; box-shadow: 0 2px 0 rgba(255, 255, 255, .5) inset, 0 22px 40px rgba(0, 0, 0, .45), 0 0 0 5px #2A1A6B, 0 0 0 7px rgba(255, 198, 26, .55); transition: transform .35s cubic-bezier(.2, .8, .2, 1), box-shadow .35s; aspect-ratio: 3 / 4; overflow: hidden; }
.frame:hover .frame__mat, .frame:focus-visible .frame__mat { transform: translateY(-8px) scale(1.02); box-shadow: 0 2px 0 rgba(255, 255, 255, .5) inset, 0 34px 60px rgba(0, 0, 0, .55), 0 0 0 5px #3B1C9A, 0 0 0 7px var(--a400); }
.frame__mat img { width: 100%; height: 100%; object-fit: cover; background: #eee; }
.frame__ph { width: 100%; height: 100%; display: grid; place-items: center; background: linear-gradient(160deg, var(--v100), #fff); color: var(--v500); font-size: 42px; }
.frame__trk { position: absolute; top: 9px; left: 9px; right: 9px; height: 6px; background: var(--tc, var(--v500)); border-radius: 3px 3px 0 0; z-index: 2; }
.frame__cap { margin-top: 20px; }
.frame__cap b { display: block; font-family: var(--font-d); font-weight: 700; font-size: 16px; line-height: 1.28; letter-spacing: -.01em; }
.frame__cap span { display: block; margin-top: 6px; font-size: 13px; color: rgba(255, 255, 255, .68); line-height: 1.4; }
.frame__cap .likes { display: inline-flex; gap: 5px; align-items: center; color: var(--a400); font-weight: 700; font-size: 13px; margin-top: 6px; }
.frame__id { position: absolute; z-index: 3; top: -12px; right: -8px; background: var(--o500); color: #fff; font-weight: 800; font-size: 12px; padding: 4px 10px; border-radius: 999px; box-shadow: 0 6px 14px rgba(0, 0, 0, .4); }
.expo__empty { text-align: center; padding: 70px 20px 90px; }
.expo__empty img { width: 110px; margin: 0 auto 18px; }
.expo__empty h3 { color: #fff !important; font-size: 28px; }
.expo__empty p { color: rgba(255, 255, 255, .75); max-width: 56ch; margin: 12px auto 0; }
.demo-flag { background: var(--a400); color: #1a0b00; text-align: center; font-weight: 800; font-size: 13px; padding: 6px; letter-spacing: .06em; text-transform: uppercase; }
.viewer { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); min-height: 0; max-height: calc(100vh - 40px); }
.viewer__stage { background: #0F0730; display: grid; place-items: center; padding: 22px; min-height: 320px; overflow: auto; position: relative; }
.viewer__stage img { max-height: calc(100vh - 100px); width: auto; max-width: 100%; border-radius: 6px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); cursor: zoom-in; }
.viewer__stage.is-zoom img { max-height: none; max-width: none; width: 170%; cursor: zoom-out; }
.viewer__stage iframe { width: 100%; height: 100%; min-height: 60vh; border: 0; border-radius: 8px; background: #fff; }
.viewer__info { padding: 30px 30px 30px; overflow-y: auto; }
.viewer__info h3 { font-size: 24px; line-height: 1.2; }
.viewer__info h4 { font-family: var(--font-b); font-size: 12.5px; text-transform: uppercase; letter-spacing: .14em; color: var(--o600); margin: 20px 0 6px; font-weight: 800; }
.viewer__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; }
.appr { display: inline-flex; align-items: center; gap: 8px; padding: 10px 16px; border-radius: 999px; border: 2px solid var(--pink); color: var(--pink); background: #fff; font-weight: 800; font-size: 14px; }
.appr[aria-pressed="true"] { background: var(--pink); color: #fff; }
.appr[disabled] { opacity: .5; }
.video { position: relative; aspect-ratio: 16 / 9; border-radius: 14px; overflow: hidden; background: #000; margin-top: 8px; }
.video iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }

/* contact / venue */
.map { border-radius: var(--r-xl); overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); aspect-ratio: 16 / 11; background: var(--v100); }
.map iframe { width: 100%; height: 100%; border: 0; }
.contact-card { display: flex; gap: 16px; align-items: flex-start; padding: 22px; }
.contact-card .ico { width: 52px; height: 52px; padding: 13px; border-radius: 16px; background: var(--v100); color: var(--v600); }
.contact-card.wa .ico { background: #DDF5E8; color: #128C4A; }
.contact-card h4 { font-size: 17px; margin-bottom: 4px; }
.contact-card p { margin: 0; color: var(--ink2); font-size: 15px; overflow-wrap: anywhere; }
.person { display: flex; align-items: center; gap: 16px; padding: 18px 20px; }
.person__av { width: 56px; height: 56px; border-radius: 50%; background: linear-gradient(135deg, var(--v600), var(--o500)); color: #fff; display: grid; place-items: center; font-family: var(--font-d); font-weight: 800; font-size: 20px; flex: none; }
.person b { display: block; }
.person span { color: var(--muted); font-size: 14px; }

/* poster showcase on CFP */
.poster-shot { position: relative; max-width: 420px; margin: 0 auto; border-radius: 22px; overflow: hidden; box-shadow: var(--shadow-lg); border: 1px solid var(--line); background: #fff; cursor: zoom-in; display: block; padding: 0; }
.poster-shot img { width: 100%; }
.poster-shot span { position: absolute; left: 14px; bottom: 14px; }

/* CTA band */
.cta { position: relative; overflow: hidden; border-radius: var(--r-xl); padding: clamp(32px, 6vw, 64px); background: radial-gradient(600px 300px at 90% 0, rgba(255, 122, 26, .35), transparent 70%), linear-gradient(150deg, var(--v800), var(--v600)); color: #fff; display: grid; grid-template-columns: 1.3fr auto; gap: 24px; align-items: center; box-shadow: var(--shadow-lg); }
.cta h2 { color: #fff !important; font-size: clamp(28px, 4vw, 44px); }
.cta p { color: rgba(255, 255, 255, .85); margin: 12px 0 0; max-width: 56ch; }
.cta__flower { position: absolute; right: -50px; bottom: -70px; width: 260px; opacity: .14; transform: rotate(18deg); pointer-events: none; }
.cta .actions { display: flex; gap: 12px; flex-wrap: wrap; position: relative; }
.partners { display: flex; flex-wrap: wrap; gap: 18px; align-items: center; justify-content: center; }
.partner { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px 26px; display: flex; align-items: center; gap: 14px; min-height: 84px; }
.partner img { max-height: 52px; width: auto; }
.partner span { font-weight: 700; font-size: 14px; line-height: 1.35; max-width: 220px; color: var(--ink2); }

/* footer */
.site-footer { background: var(--v950); color: rgba(255, 255, 255, .78); padding: 64px 0 0; position: relative; overflow: hidden; }
.site-footer h4 { color: #fff !important; font-size: 15px; letter-spacing: .12em; text-transform: uppercase; margin-bottom: 16px; font-family: var(--font-b); font-weight: 800; }
.site-footer a { color: rgba(255, 255, 255, .78) !important; }
.site-footer a:hover { color: var(--a400) !important; }
.foot-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.2fr; gap: 40px; }
.foot-brand .logos { display: inline-flex; align-items: center; gap: 14px; background: #fff; padding: 12px 18px; border-radius: 18px; margin-bottom: 18px; }
.foot-brand .logos img { height: 40px; width: auto; }
.foot-brand .logos i { width: 1px; height: 34px; background: var(--line); }
.foot-brand p { font-size: 14.5px; max-width: 42ch; }
.foot-list { display: grid; gap: 10px; font-size: 14.5px; }
.foot-list li { display: flex; gap: 10px; align-items: flex-start; }
.foot-list .ico { margin-top: 3px; color: var(--a400); }
.foot-bottom { margin-top: 48px; padding: 20px 0 24px; border-top: 1px solid rgba(255, 255, 255, .1); display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13.5px; }
.foot-flower { position: absolute; right: -120px; top: -80px; width: 420px; opacity: .05; pointer-events: none; }
.totop { position: fixed; right: 18px; bottom: 18px; z-index: 80; width: 48px; height: 48px; border-radius: 50%; border: 0; background: var(--v700); color: #fff; box-shadow: var(--shadow-lg); display: grid; place-items: center; opacity: 0; visibility: hidden; transform: translateY(10px); transition: .25s; }
.totop.is-on { opacity: 1; visibility: visible; transform: none; }
.wa-float { position: fixed; left: 18px; bottom: 18px; z-index: 80; display: inline-flex; align-items: center; gap: 10px; background: #25D366; color: #06331a !important; font-weight: 800; padding: 12px 18px 12px 14px; border-radius: 999px; box-shadow: 0 12px 30px rgba(37, 211, 102, .4); text-decoration: none !important; font-size: 14px; }
.wa-float .ico { font-size: 22px; }
.wa-float { gap: 0; padding: 14px; }
.wa-float span { max-width: 0; overflow: hidden; white-space: nowrap; opacity: 0; transition: max-width .3s, opacity .2s, margin .3s; }
.wa-float:hover span, .wa-float:focus-visible span { max-width: 220px; opacity: 1; margin-left: 10px; }
.toast { position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 30px); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; font-weight: 600; z-index: 400; opacity: 0; transition: .25s; box-shadow: var(--shadow-lg); }
.toast.is-on { opacity: 1; transform: translate(-50%, 0); }

/* ---------- responsive ---------- */
@media (max-width: 1180px) {
  .nav__link { padding: 10px 9px; font-size: 14px; }
  .grid--spk { grid-template-columns: repeat(3, 1fr); }
  .wall { grid-template-columns: repeat(3, 1fr); }
  .brand__txt small { display: none; }
}
@media (max-width: 1020px) {
  .nav, .header__tools .btn { display: none; }
  .burger { display: inline-flex; }
  .header__tools { margin-left: auto; }
  .hero .wrap { grid-template-columns: 1fr; }
  .hero__visual { width: min(76%, 330px); margin: 30px auto 26px; order: 1; }
  .hero__float--a { left: -10px; } .hero__float--b { right: -8px; }
  .split { grid-template-columns: 1fr; }
  .stats { grid-template-columns: repeat(3, 1fr); }
  .stat:nth-child(3) { border-right: 0; } .stat:nth-child(-n+3) { border-bottom: 1px solid var(--line); }
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .tl { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 34px; }
  .steps--5 { grid-template-columns: repeat(2, 1fr); }
  .form-shell { grid-template-columns: 1fr; }
  .stepper { position: static; display: flex; overflow-x: auto; gap: 8px; padding-bottom: 6px; }
  .stepper li { flex: none; padding: 8px 12px; }
  .foot-grid { grid-template-columns: 1fr 1fr; }
  .cta { grid-template-columns: 1fr; }
  .spm { grid-template-columns: 1fr; }
  .spm__side { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: center; padding: 22px; }
  .spm__side h3 { margin-top: 0; }
  .viewer { grid-template-columns: 1fr; overflow-y: auto; }
  .viewer__stage img { max-height: 70vh; }
  .next-grid { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  :root { --header-h: 66px; }
  .brand__pk { height: 28px; } .brand__bi img { height: 36px; } .brand__sep { height: 28px; }
  .brand__txt { font-size: 17px; }
  .lang { display: none; }
  .grid--2, .grid--3, .fgrid, .regcard { grid-template-columns: 1fr; }
  .grid--spk { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .grid--spk .spk__body { padding: 14px 14px 16px; } .grid--spk .spk__name { font-size: 15.5px; }
  .grid--spk .spk__topic { display: none; }
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
  .pub--wide { grid-column: auto; }
  .tl { grid-template-columns: 1fr; }
  .steps, .steps--5 { grid-template-columns: 1fr; }
  .prog__row { grid-template-columns: 1fr; gap: 6px; }
  .prog__time { text-align: left; padding: 6px 0 0 4px; display: flex; gap: 10px; align-items: baseline; }
  .prog__time small { margin: 0; }
  .prog__card::before { display: none; }
  .prog__card { flex-wrap: wrap; }
  .lookup { grid-template-columns: 1fr; }
  .wall { grid-template-columns: repeat(2, 1fr); gap: 26px 14px; }
  .frame__cap b { font-size: 14px; }
  .summary div { grid-template-columns: 1fr; gap: 2px; }
  .foot-grid { grid-template-columns: 1fr; }
  .hero__orgs { padding: 8px 12px; gap: 8px; } .hero__orgs img { height: 22px; }
  .hero__float--b { display: none; }
  .hero__cta .btn { flex: 1 1 100%; }
  .cd__t { min-width: 68px; flex: 1; } .cd__t b { font-size: 28px; }
  .stats { margin-top: -30px; grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 0 !important; border-bottom: 1px solid var(--line); padding: 18px 12px; }
  .stat:nth-child(odd):not(:last-child) { border-right: 1px solid var(--line) !important; }
  .stat:last-child { grid-column: 1 / -1; border-bottom: 0; }

  .sec-head--row { align-items: flex-start; }
  .modal { padding: 0; align-items: end; } .modal__box { border-radius: 26px 26px 0 0; max-height: 94vh; width: 100%; }
  .spm__side { grid-template-columns: 84px 1fr; }
  .opt { flex-wrap: wrap; } .opt__p { margin-left: 36px; }
  .offer { flex-direction: column; }
}
@media (max-width: 420px) {
  .wall { grid-template-columns: 1fr 1fr; }
  .cd { gap: 6px; } .cd__t { min-width: 0; padding: 10px 4px 8px; } .cd__t b { font-size: 24px; } .cd__t span { font-size: 10px; letter-spacing: .04em; }
}
@media print {
  .site-header, .annbar, .totop, .wa-float, .site-footer { display: none !important; }
}

/* ---------- late additions ---------- */
.nav__link--cta { background: linear-gradient(135deg, var(--o500), var(--o600)); color: #fff !important; box-shadow: 0 8px 18px rgba(232, 99, 10, .3); }
.nav__link--cta:hover, .nav__item:hover > .nav__link--cta, .nav__item:focus-within > .nav__link--cta { background: linear-gradient(135deg, var(--o600), var(--o700)); color: #fff !important; }
.nav__link--cta .chev { opacity: .85; }
.spin { display: inline-block; width: 26px; height: 26px; border: 3px solid currentColor; border-right-color: transparent; border-radius: 50%; animation: bootspin .7s linear infinite; }
.f.has-err .dropzone { border-color: var(--red); background: #FFF5F4; }
.f.has-err .err { display: block; }
.nomotion .rv { opacity: 1 !important; transform: none !important; transition: none !important; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; transition: none; } }
[hidden] { display: none !important; }
.f label.check { font-weight: 500; display: flex; align-items: flex-start; }
.opt .mark { margin-top: 1px; }

/* payment account card */
#bicon-root .bank { display: flex; gap: 16px; align-items: flex-start; background: linear-gradient(135deg, var(--v100), #fff); border: 1px solid var(--v200, #d9cffc); border-left: 5px solid var(--o500, #FF7A1A); border-radius: 18px; padding: 18px 20px; box-shadow: 0 6px 20px rgba(27, 11, 77, .07); }
#bicon-root .bank__ico { flex: none; width: 44px; height: 44px; border-radius: 12px; background: var(--v600); color: #fff; display: grid; place-items: center; }
#bicon-root .bank__ico svg { width: 22px; height: 22px; }
#bicon-root .bank__b { min-width: 0; }
#bicon-root .bank__l { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--v600); }
#bicon-root .bank__n { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 14px; margin: 6px 0; }
#bicon-root .bank__n b { font-size: 16px; }
#bicon-root .bank__n span { font-family: "SFMono-Regular", Menlo, Consolas, monospace; font-size: clamp(20px, 3.4vw, 26px); font-weight: 800; letter-spacing: .04em; color: var(--v800, #1B0B4D); }
#bicon-root .bank__copy { display: inline-flex; align-items: center; gap: 6px; border: 0; cursor: pointer; background: var(--v600); color: #fff; border-radius: 10px; padding: 7px 12px; font: 700 13px var(--font-b); }
#bicon-root .bank__copy svg { width: 14px; height: 14px; }
#bicon-root .bank__h { font-weight: 600; word-break: break-word; }
#bicon-root .bank__r { margin-top: 6px; font-size: 14px; color: var(--ink2); }
@media (max-width: 520px) { #bicon-root .bank { padding: 14px; gap: 12px; } #bicon-root .bank__ico { display: none; } }

/* speakers to-be-announced state */
#bicon-root .tba { text-align: center; max-width: 560px; margin: 0 auto; padding: 48px 24px; background: linear-gradient(180deg, var(--v50), #fff); border: 1px dashed var(--v300); border-radius: 22px; }
#bicon-root .tba svg { width: 40px; height: 40px; color: var(--v600); margin-bottom: 14px; }
#bicon-root .tba h3 { margin: 0 0 8px; font-size: 20px; }
#bicon-root .tba p { margin: 0; color: var(--ink2); line-height: 1.6; }