/* StreamVibe project page: dark launch-page design system */
:root {
  --bg: #07090f; --bg2: #0b0e17; --panel: #0e121d; --panel2: #121828;
  --line: rgba(255,255,255,.08); --line2: rgba(255,255,255,.14);
  --ink: #eef2f9; --text: #c3cad8; --muted: #8790a3; --faint: #5d6679;
  --blue: #3987e5; --coral: #e0704a; --violet: #8a6ff0; --green: #3ccf8e;
  --grad: linear-gradient(90deg, #6aa8ff 0%, #b18cff 50%, #ff9a7a 100%);
  --sans: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, SFMono-Regular, monospace;
  --r: 16px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 64px; background: var(--bg); }
body { margin: 0; font-family: var(--sans); color: var(--text); background: var(--bg); line-height: 1.6; -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: #8fbaff; text-decoration: none; }
img { max-width: 100%; display: block; }
b, strong { color: var(--ink); font-weight: 600; }
::selection { background: rgba(106,168,255,.35); }
.wrap { max-width: 1440px; width: 100%; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px); }
.wrap.narrow { max-width: 1040px; }
.muted { color: var(--muted); font-weight: 400; }

/* sections */
main { position: relative; background:
  radial-gradient(1000px 600px at 85% 4%, rgba(138,111,240,.10), transparent 70%),
  radial-gradient(900px 600px at 5% 30%, rgba(57,135,229,.10), transparent 70%),
  radial-gradient(900px 600px at 90% 62%, rgba(224,112,74,.07), transparent 70%),
  radial-gradient(900px 600px at 10% 90%, rgba(57,135,229,.08), transparent 70%); }
main::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .5;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 64px 64px; mask-image: linear-gradient(180deg, transparent, #000 8%, #000 92%, transparent); -webkit-mask-image: linear-gradient(180deg, transparent, #000 8%, #000 92%, transparent); }
.sec { position: relative; padding-top: 88px; }
.sec-head { max-width: 860px; margin-bottom: 30px; }
.eyebrow { display: inline-flex; align-items: center; gap: 10px; font: 500 .78rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.eyebrow span { color: #8fbaff; padding: 2px 7px; border: 1px solid rgba(143,186,255,.35); border-radius: 6px; background: rgba(57,135,229,.10); }
h2 { font: 700 clamp(2rem, 4vw, 3.1rem)/1.08 var(--sans); letter-spacing: -.035em; margin: 0 0 18px; background: linear-gradient(180deg, #fff 30%, #b9c3d6); -webkit-background-clip: text; background-clip: text; color: transparent; }
h3.sub { font: 600 1.3rem var(--sans); letter-spacing: -.02em; color: var(--ink); margin: 56px 0 16px; }
.lead { color: var(--text); font-size: 1.1rem; line-height: 1.7; margin: 0; }

/* reveal */
.rv { opacity: 0; transform: translateY(24px); filter: blur(8px); transition: opacity 1s cubic-bezier(.2,.7,.2,1), transform 1s cubic-bezier(.2,.7,.2,1), filter 1s ease-out, box-shadow .35s, border-color .35s; }
.rv.in { opacity: 1; transform: none; filter: none; }
@media (prefers-reduced-motion: reduce) { .rv { opacity: 1; transform: none; filter: none; transition: none; } .track { animation: none !important; } }

/* progress + nav */
.progress { position: fixed; top: 0; left: 0; height: 2px; width: 0; z-index: 60; background: var(--grad); }
.topnav { position: fixed; top: 12px; left: 50%; z-index: 50; height: 50px; width: min(1120px, calc(100% - 24px)); display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 0 10px 0 18px; border-radius: 14px; background: rgba(10,13,22,.66); backdrop-filter: blur(16px) saturate(1.6); -webkit-backdrop-filter: blur(16px) saturate(1.6);
  border: 1px solid var(--line); transform: translate(-50%, -140%); transition: transform .4s cubic-bezier(.2,.7,.2,1); }
.topnav.show { transform: translate(-50%, 0); }
.topnav .brand { display: flex; gap: 9px; align-items: center; font-weight: 700; color: var(--ink); letter-spacing: -.01em; }
.topnav .brand img { width: 26px; }
.topnav .links { display: flex; gap: 4px; }
.topnav .links a { color: var(--muted); font-size: .88rem; font-weight: 500; padding: 6px 12px; border-radius: 8px; transition: color .2s, background .2s; }
.topnav .links a:hover, .topnav .links a.active { color: var(--ink); background: rgba(255,255,255,.06); }
.nav-gh { display: inline-flex; align-items: center; gap: 7px; font-size: .84rem; font-weight: 600; color: #0b0e17; background: #eef2f9; padding: 7px 12px; border-radius: 9px; }
.nav-gh svg { width: 16px; height: 16px; }

/* ---------------- hero ---------------- */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; overflow: hidden; text-align: center; background: var(--bg); }
.wall-stage { position: absolute; inset: 0; perspective: 1400px; overflow: hidden; }
.wall-plane { position: absolute; left: 50%; top: 50%; width: max(160vw, 340vh); transform: translate(-50%, -50%) rotateX(24deg) rotateZ(-9deg) translate3d(var(--px, 0px), var(--py, 0px), 0); transform-style: preserve-3d; transition: transform .6s cubic-bezier(.2,.7,.2,1); }
.wall-track { display: grid; grid-template-columns: 1fr 1fr; animation: drift 40s ease-in-out infinite alternate; }
.wall-track video { width: 100%; aspect-ratio: 16/9; object-fit: cover; display: block; filter: saturate(1.1) brightness(.8); }
@keyframes drift { from { transform: translate(-7%, 4%) scale(1.02); } to { transform: translate(7%, -4%) scale(1.08); } }
.hero-shade { position: absolute; inset: 0; background:
  radial-gradient(ellipse 60% 55% at 50% 46%, rgba(7,9,15,.9) 0%, rgba(7,9,15,.72) 50%, rgba(7,9,15,.35) 80%),
  linear-gradient(180deg, rgba(7,9,15,.7) 0%, transparent 25%, transparent 65%, var(--bg) 100%); }
.hero-grid { position: absolute; inset: 0; pointer-events: none; opacity: .35;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px); background-size: 72px 72px;
  mask-image: radial-gradient(ellipse 55% 50% at 50% 50%, #000, transparent 75%); -webkit-mask-image: radial-gradient(ellipse 55% 50% at 50% 50%, #000, transparent 75%); }
.hero-inner { position: relative; max-width: 1080px; padding: 120px 24px 90px; }
.pill { display: inline-flex; align-items: center; gap: 10px; padding: 6px 14px 6px 8px; border-radius: 999px; border: 1px solid var(--line2); background: rgba(14,18,29,.7); backdrop-filter: blur(8px);
  color: var(--text); font-size: .86rem; margin-bottom: 30px; opacity: 0; animation: fadeup .9s ease-out .1s forwards; transition: border-color .2s; }
.pill:hover { border-color: rgba(143,186,255,.5); }
.pill-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(60,207,142,.18); animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { box-shadow: 0 0 0 7px rgba(60,207,142,.05); } }
.pill-tag { font: 600 .7rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: #0b0e17; background: var(--grad); padding: 2px 8px; border-radius: 999px; }
.pill-arr { color: var(--muted); transition: transform .2s; }
.pill:hover .pill-arr { transform: translateX(3px); }
.title { margin: 0 0 22px; }
.t1 { display: inline-flex; align-items: center; gap: 18px; }
.mascot { width: clamp(64px, 8vw, 104px); filter: drop-shadow(0 10px 30px rgba(106,168,255,.45)); opacity: 0; animation: popin .9s cubic-bezier(.2,1.3,.4,1) .2s forwards, float 6s ease-in-out 1.2s infinite; }
@keyframes popin { from { opacity: 0; transform: scale(.5) rotate(-8deg); } to { opacity: 1; transform: none; } }
@keyframes float { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-7px); } }
.brand-word { font: 800 clamp(3.4rem, 9vw, 7.4rem)/1 var(--sans); letter-spacing: -.055em; background: linear-gradient(90deg, #7fb3ff, #b18cff, #ff9a7a, #7fb3ff); background-size: 300% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; opacity: 0; filter: blur(12px); animation: wordin 1.1s cubic-bezier(.2,.8,.2,1) .25s forwards, shimmer 12s linear 1.4s infinite; }
@keyframes shimmer { to { background-position: 300% 0; } }
.t2 { display: block; margin-top: 14px; font: 600 clamp(1.25rem, 2.6vw, 2.05rem)/1.25 var(--sans); letter-spacing: -.025em; color: var(--ink); }
.t2 .w { display: inline-block; opacity: 0; transform: translateY(14px); filter: blur(8px); animation: wordin .9s cubic-bezier(.2,.8,.2,1) forwards; }
@keyframes wordin { to { opacity: 1; transform: none; filter: none; } }
.tagline { max-width: 720px; margin: 0 auto 34px; font-size: clamp(1rem, 1.5vw, 1.12rem); color: var(--text); opacity: 0; animation: fadeup 1s ease-out 1.05s forwards; }
@keyframes fadeup { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.buttons { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; margin-bottom: 44px; opacity: 0; animation: fadeup 1s ease-out 1.2s forwards; }
.btn { position: relative; display: inline-flex; align-items: center; gap: 8px; padding: 11px 18px; border-radius: 11px; font-weight: 600; font-size: .92rem; color: var(--ink);
  background: rgba(255,255,255,.06); border: 1px solid var(--line2); transition: transform .2s, background .2s, border-color .2s, box-shadow .2s; }
.btn:hover { transform: translateY(-1px); background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.25); }
.btn svg { width: 17px; height: 17px; }
.btn.primary { color: #0b0e17; background: #eef2f9; border-color: transparent; box-shadow: 0 0 0 1px rgba(255,255,255,.2), 0 10px 30px rgba(143,186,255,.25); }
.btn.primary:hover { background: #fff; box-shadow: 0 0 0 1px rgba(255,255,255,.3), 0 14px 40px rgba(143,186,255,.35); }
.btn.ghost { background: transparent; }
.btn.disabled { color: var(--muted); cursor: default; }
.btn.disabled:hover { transform: none; background: transparent; border-color: var(--line2); }
.btn em { font: 500 .66rem var(--mono); font-style: normal; text-transform: uppercase; letter-spacing: .06em; color: var(--faint); border: 1px solid var(--line2); border-radius: 5px; padding: 1px 5px; margin-left: 2px; }
.authors { font-size: .95rem; line-height: 1.85; color: var(--text); margin: 0 0 10px; opacity: 0; animation: fadeup 1s ease-out 1.35s forwards; }
.authors sup, .affils sup { font-size: .66em; color: #8fbaff; }
.affils { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 18px; font-size: .84rem; color: var(--muted); margin: 0; opacity: 0; animation: fadeup 1s ease-out 1.45s forwards; }
.affils span { display: inline-flex; align-items: center; gap: 5px; }
.affils img { height: 16px; width: auto; border-radius: 3px; }
.scroll-cue { position: absolute; bottom: 26px; left: 50%; transform: translateX(-50%); width: 24px; height: 38px; border: 1.5px solid rgba(255,255,255,.35); border-radius: 13px; }
.scroll-cue span { position: absolute; left: 50%; top: 7px; width: 3px; height: 7px; margin-left: -1.5px; border-radius: 2px; background: #fff; animation: cue 1.8s ease-in-out infinite; }
@keyframes cue { 0% { opacity: 0; transform: translateY(0); } 30% { opacity: 1; } 100% { opacity: 0; transform: translateY(12px); } }

/* ---------------- promo ---------------- */
.promo-sec { position: relative; padding: 0 0 20px; }
.promo-frame { --s: .9; position: relative; transform: scale(var(--s)); transform-origin: 50% 0; border-radius: 20px; padding: 1px;
  background: linear-gradient(135deg, rgba(127,179,255,.7), rgba(177,140,255,.35) 40%, rgba(255,154,122,.6)); box-shadow: 0 50px 120px rgba(57,135,229,.18), 0 30px 80px rgba(0,0,0,.6); }
.promo-frame video { display: block; width: 100%; aspect-ratio: 16/9; border-radius: 19px; background: #000; }
.promo-cap { text-align: center; color: var(--faint); font: .78rem var(--mono); letter-spacing: .04em; margin: 4px 0 0; }

/* ---------------- stats ---------------- */
.stats { display: grid; grid-template-columns: repeat(5, 1fr); margin-top: 80px; border: 1px solid var(--line); border-radius: var(--r); background: rgba(14,18,29,.6); backdrop-filter: blur(6px); padding: 0; }
.stat { text-align: center; padding: 28px 10px; border-right: 1px solid var(--line); }
.stat:last-child { border-right: 0; }
.stat .num { display: block; font: 700 2.5rem/1.1 var(--sans); letter-spacing: -.04em; background: linear-gradient(180deg, #fff, #9fb2d4); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat .lbl { color: var(--muted); font: .74rem var(--mono); letter-spacing: .03em; text-transform: uppercase; }

/* ---------------- cards (spotlight follows the pointer) ---------------- */
.card { position: relative; border: 1px solid var(--line); border-radius: var(--r); background: linear-gradient(180deg, rgba(20,26,40,.78), rgba(12,16,26,.78)); }
.card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; pointer-events: none; opacity: 0; transition: opacity .3s;
  background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 50%), rgba(143,186,255,.10), transparent 60%); }
.card:hover::before { opacity: 1; }
.card:hover { border-color: var(--line2); }
.card > * { position: relative; }

/* motivation */
.gaps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-bottom: 40px; }
.gap { padding: 26px; }
.gn { display: inline-flex; width: 34px; height: 34px; border-radius: 10px; align-items: center; justify-content: center; font: 600 .9rem var(--mono); color: #fff;
  background: linear-gradient(135deg, rgba(57,135,229,.9), rgba(138,111,240,.9)); box-shadow: 0 8px 24px rgba(57,135,229,.3); margin-bottom: 18px; }
.gaps .gap:nth-child(2) .gn { background: linear-gradient(135deg, rgba(224,112,74,.95), rgba(214,80,120,.9)); box-shadow: 0 8px 24px rgba(224,112,74,.3); }
.gaps .gap:nth-child(3) .gn { background: linear-gradient(135deg, rgba(138,111,240,.95), rgba(98,80,214,.9)); box-shadow: 0 8px 24px rgba(138,111,240,.3); }
.gap h3 { margin: 0 0 8px; font-size: 1.08rem; color: var(--ink); letter-spacing: -.01em; }
.gap p { margin: 0; color: var(--muted); font-size: .93rem; }

/* figures: paper figures sit on white panels */
.figure { margin: 34px 0; }
.paper { background: #fff; border-radius: 14px; padding: 12px; box-shadow: 0 0 0 1px var(--line2), 0 30px 60px rgba(0,0,0,.45); }
.paper img { width: 100%; border-radius: 6px; cursor: zoom-in; }
.figure figcaption { color: var(--muted); font-size: .88rem; margin-top: 12px; }
.lightbox { position: fixed; inset: 0; z-index: 100; background: rgba(4,6,10,.92); backdrop-filter: blur(6px); display: none; align-items: center; justify-content: center; padding: 3vw; cursor: zoom-out; }
.lightbox.on { display: flex; animation: fade .25s; }
.lightbox img { max-height: 94vh; border-radius: 10px; background: #fff; animation: zoomin .3s cubic-bezier(.2,.8,.2,1); }
@keyframes fade { from { opacity: 0; } } @keyframes zoomin { from { transform: scale(.94); } }

/* levels */
.levels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.level { padding: 22px; display: flex; flex-direction: column; }
.level p { margin: 12px 0 16px; color: var(--muted); font-size: .92rem; }
.lv-tag { align-self: flex-start; font: 600 .72rem var(--mono); letter-spacing: .06em; text-transform: uppercase; padding: 4px 10px; border-radius: 7px; }
.lv-ex .lv-tag { color: #9cc4ff; background: rgba(57,135,229,.14); border: 1px solid rgba(57,135,229,.35); }
.lv-im .lv-tag { color: #ffb39a; background: rgba(224,112,74,.14); border: 1px solid rgba(224,112,74,.35); }
.lv-dy .lv-tag { color: #c4b2ff; background: rgba(138,111,240,.14); border: 1px solid rgba(138,111,240,.35); }
.lv-ex { border-top-color: rgba(57,135,229,.55); } .lv-im { border-top-color: rgba(224,112,74,.55); } .lv-dy { border-top-color: rgba(138,111,240,.55); }
.mini-chat { background: rgba(0,0,0,.25); border: 1px solid var(--line); border-radius: 12px; padding: 12px; min-height: 196px; display: flex; flex-direction: column; gap: 7px; margin-bottom: 16px; }
.mc { max-width: 88%; font-size: .82rem; padding: 7px 11px; border-radius: 11px; line-height: 1.4; }
.mc.u { align-self: flex-end; background: #253456; color: #e8eefb; border-bottom-right-radius: 3px; }
.mc.a { align-self: flex-start; background: rgba(255,255,255,.06); border: 1px solid var(--line); color: var(--ink); border-bottom-left-radius: 3px; }
.mc.a::before { content: "StreamVibe"; display: block; font: 600 .62rem var(--mono); color: #8fbaff; letter-spacing: .04em; margin-bottom: 1px; }
.mc.w { align-self: flex-start; color: var(--faint); font: italic .74rem var(--mono); background: none; padding: 0 4px; }
.mc.hidden { display: none; }
.mc.show { animation: pop .4s cubic-bezier(.2,1.2,.4,1); }
.mc.typing-dots::before { display: none; }
.subs { margin-top: auto; display: flex; flex-wrap: wrap; gap: 6px; }
.subs span { font: .72rem var(--mono); color: var(--muted); padding: 3px 9px; border-radius: 6px; border: 1px solid var(--line); background: rgba(255,255,255,.02); }

/* animated svg cards */
.anim-card { margin: 34px 0; padding: 18px; }
.anim-head { display: flex; gap: 16px; align-items: center; justify-content: space-between; color: var(--muted); font-size: .92rem; margin: 2px 4px 14px; }
.replay { flex: 0 0 auto; font: 500 .78rem var(--mono); color: var(--ink); background: rgba(255,255,255,.05); border: 1px solid var(--line2); border-radius: 8px; padding: 5px 11px; cursor: pointer; transition: background .2s; }
.replay:hover { background: rgba(255,255,255,.1); }
.anim-svg { width: 100%; min-height: 120px; cursor: default !important; }

/* ---------------- demos: two endless rows ---------------- */
.demos-sec { padding-bottom: 20px; }
.marquees { display: flex; flex-direction: column; gap: 22px; margin: 6px 0 46px; }
.mrow { position: relative; }
.mrow-head { max-width: 1440px; margin: 0 auto 2px; padding: 0 clamp(20px, 4vw, 56px); display: flex; align-items: center; gap: 10px; font: 600 .74rem var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--ink); }
.mrow-head span { color: var(--faint); font-weight: 400; text-transform: none; letter-spacing: 0; }
.mrow-head i { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 8px var(--green); }
.mrow.rev .mrow-head i { background: #8fbaff; box-shadow: 0 0 8px #8fbaff; }
.mview { overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 6%, #000 94%, transparent); }
.track { display: flex; gap: 16px; width: max-content; padding: 16px 0 14px; animation: marquee var(--dur, 80s) linear infinite; }
.mrow.rev .track { animation-direction: reverse; }
.mview:hover .track { animation-play-state: paused; }
@keyframes marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }
.mcard { flex: 0 0 310px; border-radius: 14px; overflow: hidden; cursor: pointer; background: var(--panel); border: 1px solid var(--line); transition: transform .35s cubic-bezier(.2,.7,.2,1), border-color .3s, box-shadow .35s; }
.mcard:hover { transform: translateY(-6px); border-color: rgba(143,186,255,.45); box-shadow: 0 24px 50px rgba(0,0,0,.55), 0 0 0 1px rgba(143,186,255,.2); }
.mcard.on { border-color: rgba(143,186,255,.85); box-shadow: 0 0 0 1px rgba(143,186,255,.5), 0 16px 40px rgba(57,135,229,.28); }
.mcard .media { position: relative; aspect-ratio: 16/9; background: #000; }
.mcard .media img, .mcard .media video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.mcard .media video { opacity: 0; transition: opacity .35s; }
.mcard:hover .media video { opacity: 1; }
.mcard .media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 50%, rgba(7,9,15,.9)); pointer-events: none; }
.mcard .lvl { position: absolute; left: 10px; top: 10px; z-index: 2; font: 600 .62rem var(--mono); letter-spacing: .05em; text-transform: uppercase; padding: 3px 8px; border-radius: 6px; backdrop-filter: blur(6px); }
.lvl.Explicit { color: #e3eeff; background: rgba(57,135,229,.6); } .lvl.Implicit { color: #fff0ea; background: rgba(224,112,74,.65); } .lvl.Dynamic { color: #efe9ff; background: rgba(138,111,240,.65); }
.mcard .ttl { position: absolute; left: 12px; right: 12px; bottom: 10px; z-index: 2; color: #fff; font-weight: 600; font-size: .9rem; line-height: 1.3; letter-spacing: -.01em; text-shadow: 0 1px 8px rgba(0,0,0,.6); }
.mcard .meta { display: flex; justify-content: space-between; gap: 8px; padding: 9px 12px; font: .68rem var(--mono); color: var(--muted); }
.mcard .meta b { color: #8fbaff; font-weight: 500; }

.theater { display: grid; grid-template-columns: 1.45fr 1fr; gap: 16px; padding: 16px; box-shadow: 0 40px 90px rgba(0,0,0,.5); }
.th-left { display: flex; flex-direction: column; gap: 10px; min-width: 0; }
.th-video { position: relative; border-radius: 12px; overflow: hidden; background: #000; }
.th-video video { width: 100%; aspect-ratio: 16/9; object-fit: contain; display: block; background: #000; }
.th-badge { position: absolute; left: 12px; top: 12px; font: 500 .7rem var(--mono); color: #e7ecf5; padding: 4px 10px; border-radius: 7px; background: rgba(7,9,15,.7); backdrop-filter: blur(6px); border: 1px solid var(--line); }
.th-badge i { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 6px; background: #ff5a5a; box-shadow: 0 0 8px #ff5a5a; animation: blink 1.2s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.th-speed { position: absolute; right: 12px; top: 12px; font: 500 .7rem var(--mono); padding: 4px 9px; border-radius: 7px; background: rgba(7,9,15,.7); color: #e7ecf5; }
.th-flash { position: absolute; inset: 0; border: 2px solid var(--green); border-radius: 12px; opacity: 0; pointer-events: none; }
.th-flash.go { animation: flash 1s ease-out; }
@keyframes flash { 0% { opacity: 1; box-shadow: inset 0 0 50px rgba(60,207,142,.45); } 100% { opacity: 0; } }
.th-big { position: absolute; left: 50%; top: 50%; width: 68px; height: 68px; margin: -34px 0 0 -34px; border-radius: 50%; border: 0; cursor: pointer; background: rgba(255,255,255,.92); color: #0b0e17; font-size: 1.5rem; display: none; box-shadow: 0 10px 30px rgba(0,0,0,.5); }
.th-big.on { display: block; animation: pop .3s ease-out; }
.lanes { background: rgba(0,0,0,.3); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px 8px; position: relative; cursor: pointer; }
.lane { display: grid; grid-template-columns: 82px 1fr 52px; align-items: center; height: 19px; font: .7rem var(--mono); color: var(--muted); }
.lane .nm { white-space: nowrap; }
.lane.ours .nm, .lane.ours .ct { color: #8fbaff; }
.lane .tr { position: relative; height: 100%; border-bottom: 1px dashed rgba(255,255,255,.06); }
.lane .ct { text-align: right; color: var(--faint); }
.dot { position: absolute; top: 50%; width: 7px; height: 7px; margin: -3.5px 0 0 -3.5px; border-radius: 50%; background: #3a4256; transition: background .3s, transform .3s; }
.lane.ours .dot { width: 11px; height: 11px; margin: -5.5px 0 0 -5.5px; background: #1b2b4a; border: 2px solid var(--blue); }
.dot.lit { background: var(--coral); transform: scale(1.25); }
.lane.ours .dot.lit { background: var(--blue); box-shadow: 0 0 12px var(--blue); }
.goldband { position: absolute; top: 6px; bottom: 6px; background: rgba(60,207,142,.10); border-left: 1px solid rgba(60,207,142,.5); border-right: 1px solid rgba(60,207,142,.5); border-radius: 3px; pointer-events: none; }
.playhead { position: absolute; top: 4px; bottom: 4px; width: 2px; background: #fff; box-shadow: 0 0 10px #fff; pointer-events: none; border-radius: 1px; }
.lane-area { position: absolute; top: 10px; bottom: 8px; left: calc(12px + 82px); right: calc(12px + 52px); pointer-events: none; }
.th-ctrl { display: flex; align-items: center; gap: 10px; font-size: .8rem; color: var(--muted); flex-wrap: wrap; }
.th-ctrl button { background: rgba(255,255,255,.06); border: 1px solid var(--line); color: var(--ink); width: 34px; height: 30px; border-radius: 8px; cursor: pointer; font-size: .82rem; transition: background .2s; }
.th-ctrl button:hover { background: rgba(255,255,255,.12); }
.th-title { flex: 1; font-weight: 600; color: var(--ink); min-width: 160px; }
.legend { font: .7rem var(--mono); }
.legend i { display: inline-block; width: 9px; height: 9px; border-radius: 3px; margin: 0 4px 0 10px; vertical-align: -1px; }
.lg-gold { background: rgba(60,207,142,.3); border: 1px solid var(--green); } .lg-ours { background: var(--blue); border-radius: 50% !important; } .lg-base { background: var(--coral); border-radius: 50% !important; }
.th-chat { background: rgba(0,0,0,.3); border: 1px solid var(--line); border-radius: 12px; padding: 16px; overflow-y: auto; max-height: 620px; min-height: 380px; display: flex; flex-direction: column; gap: 12px; scroll-behavior: smooth; }
.th-chat::-webkit-scrollbar { width: 6px; } .th-chat::-webkit-scrollbar-thumb { background: #2a3245; border-radius: 3px; }
.msg { max-width: 92%; padding: 10px 14px; border-radius: 13px; font-size: .88rem; line-height: 1.45; animation: pop .4s cubic-bezier(.2,1.2,.4,1); }
@keyframes pop { from { opacity: 0; transform: translateY(10px) scale(.96); } }
.msg .who { display: flex; justify-content: space-between; gap: 10px; font: 600 .64rem var(--mono); letter-spacing: .05em; margin-bottom: 3px; opacity: .85; }
.msg .ts { font-weight: 400; opacity: .7; }
.msg.user { align-self: flex-end; background: #22314f; color: #e8eefb; border-bottom-right-radius: 3px; }
.msg.user.upd { background: #3b2d5e; }
.msg.ours { align-self: flex-start; background: linear-gradient(135deg, #e9f2ff, #efe9ff); color: #121a2e; border-bottom-left-radius: 3px; box-shadow: 0 0 0 1px rgba(143,186,255,.4), 0 10px 30px rgba(57,135,229,.25); }
.msg.ours .who { color: #2a6fd1; }
.msg.ours .hit { color: #1d8a55; }
.typing { display: inline-flex; gap: 4px; padding: 3px 0; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: #7d8db0; animation: tdot 1s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes tdot { 0%, 60%, 100% { transform: translateY(0); opacity: .5; } 30% { transform: translateY(-4px); opacity: 1; } }
.base-row { align-self: stretch; margin: -4px 0 4px 12px; padding-left: 12px; border-left: 1px dashed var(--line2); display: flex; flex-wrap: wrap; gap: 6px; animation: pop .4s ease-out .2s both; }
.base-row .lbl { width: 100%; font: .66rem var(--mono); color: var(--faint); }
.bchip { font-size: .72rem; border-radius: 7px; padding: 3px 8px; background: rgba(255,255,255,.05); border: 1px solid var(--line); color: var(--text); cursor: help; position: relative; }
.bchip b { font-weight: 600; margin-right: 5px; }
.bchip .t { font: 600 .62rem var(--mono); padding: 1px 5px; border-radius: 4px; color: #fff; }
.bchip:hover .pop { display: block; }
.bchip .pop { display: none; position: absolute; z-index: 5; left: 0; top: calc(100% + 6px); width: 260px; background: #fff; color: #121a2e; padding: 8px 10px; border-radius: 10px; font-size: .76rem; line-height: 1.4; box-shadow: 0 12px 30px rgba(0,0,0,.5); }
.chat-hint { color: var(--faint); font: .8rem var(--mono); text-align: center; margin: auto 0; }

/* tables */
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; font-size: .84rem; font-variant-numeric: tabular-nums; }
th, td { padding: 10px; text-align: center; white-space: nowrap; border-bottom: 1px solid var(--line); }
thead th { color: var(--muted); font: 600 .7rem var(--mono); letter-spacing: .04em; text-transform: uppercase; background: rgba(255,255,255,.02); }
td { color: var(--text); }
td:first-child, th:first-child { text-align: left; padding-left: 16px; }
tbody tr { transition: background .2s; }
tbody tr:hover { background: rgba(255,255,255,.03); }
tbody tr:last-child td { border-bottom: 0; }
.cmp td.y { color: var(--green); } .cmp td.n { color: #3d4559; } .cmp td.p { color: #e6b85c; }
tr.ours td { background: linear-gradient(90deg, rgba(57,135,229,.16), rgba(138,111,240,.10)); color: var(--ink); font-weight: 600; }
.tnote { color: var(--faint); font: .74rem var(--mono); margin: 10px 0 0; }

/* method */
.mgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 34px; }
.mcol { padding: 24px; }
.mcol h4 { display: flex; align-items: center; gap: 10px; margin: 0 0 14px; font-size: 1.04rem; color: var(--ink); letter-spacing: -.01em; }
.mcol h4 .st { display: inline-flex; width: 30px; height: 30px; border-radius: 9px; align-items: center; justify-content: center; font: 600 .8rem var(--mono); color: #fff; background: linear-gradient(135deg, rgba(57,135,229,.9), rgba(138,111,240,.9)); }
.mgrid .mcol:nth-child(2) h4 .st { background: linear-gradient(135deg, rgba(224,112,74,.95), rgba(214,80,120,.9)); }
.mgrid .mcol:nth-child(3) h4 .st { background: linear-gradient(135deg, rgba(138,111,240,.95), rgba(98,80,214,.9)); }
.mcol p { color: var(--muted); font-size: .9rem; margin: 0 0 10px; }
.mono-note { font: .72rem var(--mono) !important; color: #8fbaff !important; border-top: 1px solid var(--line); padding-top: 10px; margin-top: 14px !important; }
.math { font-family: "Times New Roman", serif; font-style: italic; color: var(--ink); white-space: nowrap; font-size: 1.02em; }

/* key result charts */
.kgrid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }
.kcard { padding: 22px; display: flex; flex-direction: column; }
.kcard h4 { margin: 0 0 4px; font-size: 1rem; color: var(--ink); }
.ksub { margin: 0 0 18px; color: var(--muted); font-size: .84rem; line-height: 1.45; }
.kchart { flex: 1; }
.klegend { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 10px; font: .7rem var(--mono); color: var(--muted); }
.klegend .d { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 5px; vertical-align: -1px; }
.d.o { background: var(--blue); box-shadow: 0 0 8px rgba(57,135,229,.7); } .d.b { border: 2px solid #6b7488; }
.db-row { display: grid; grid-template-columns: 1fr 52px; grid-template-areas: "lab lab" "track delta"; align-items: center; font-size: .8rem; margin-bottom: 12px; cursor: default; }
.db-lab { grid-area: lab; color: var(--ink); font-weight: 600; font-size: .8rem; }
.db-track { grid-area: track; position: relative; height: 30px; border-bottom: 1px solid var(--line); }
.db-in { position: absolute; left: 38px; right: 42px; top: 0; bottom: 0; }
.db-line { position: absolute; top: 50%; height: 3px; margin-top: -1.5px; background: linear-gradient(90deg, rgba(107,116,136,.5), var(--blue)); border-radius: 2px; transform-origin: left; transform: scaleX(calc(var(--w, 0))); transition: transform 1s ease-out .15s; }
.db-dot { position: absolute; top: 50%; width: 12px; height: 12px; margin: -6px 0 0 -6px; border-radius: 50%; }
.db-dot.b { background: var(--bg); border: 2px solid #6b7488; }
.db-dot.o { background: var(--blue); box-shadow: 0 0 0 3px rgba(57,135,229,.25), 0 0 14px rgba(57,135,229,.8); transition: left 1.1s cubic-bezier(.2,.8,.2,1) .2s; }
.db-v { position: absolute; top: 50%; font: .7rem var(--mono); white-space: nowrap; opacity: 0; transition: opacity .5s ease 1.1s; }
.db-v.b { color: var(--muted); transform: translate(calc(-100% - 10px), -50%); }
.db-v.o { color: var(--ink); font-weight: 600; transform: translate(10px, -50%); }
.kc.in .db-v, .kc.in .db-delta { opacity: 1; }
.db-delta { grid-area: delta; text-align: right; opacity: 0; transition: opacity .5s ease 1.2s; }
.db-delta span { font: 600 .7rem var(--mono); color: var(--green); background: rgba(60,207,142,.12); border: 1px solid rgba(60,207,142,.3); border-radius: 999px; padding: 1px 7px; }
.hb { margin-bottom: 16px; }
.hb-t { font: 600 .7rem var(--mono); color: var(--ink); text-transform: uppercase; letter-spacing: .04em; margin-bottom: 8px; }
.hb-row { display: grid; grid-template-columns: 136px 1fr 38px; align-items: center; gap: 8px; height: 22px; font-size: .76rem; color: var(--muted); cursor: default; }
.hb-row.o .hb-n { color: var(--ink); font-weight: 600; }
.hb-tr { height: 9px; position: relative; background: rgba(255,255,255,.04); border-radius: 0 4px 4px 0; }
.hb-tr i { position: absolute; left: 0; top: 0; bottom: 0; width: 0; border-radius: 0 4px 4px 0; background: #3a4256; transition: width 1s cubic-bezier(.2,.8,.2,1); }
.kc.in .hb-tr i { width: var(--w); }
.hb-row.o .hb-tr i { background: linear-gradient(90deg, #2c6fc4, var(--blue)); box-shadow: 0 0 12px rgba(57,135,229,.5); }
.hb-row.o:nth-child(3) .hb-tr i { background: #5d86c9; box-shadow: none; }
.hb-v { text-align: right; font: .74rem var(--mono); color: var(--ink); }
.chart-tip { position: absolute; pointer-events: none; background: #fff; color: #121a2e; border-radius: 9px; padding: 7px 10px; font-size: .78rem; box-shadow: 0 12px 30px rgba(0,0,0,.5); opacity: 0; transition: opacity .15s; white-space: nowrap; z-index: 20; }
.chart-tip b { color: #121a2e; }
.chart-tip .muted { color: #6b7280; }
.chart-tip.global { position: fixed; z-index: 90; }

/* explorer */
.explorer { margin-top: 16px; padding: 22px 24px 18px; }
.ex-head { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; margin-bottom: 18px; font-size: .95rem; }
.ex-ctrls { display: flex; gap: 10px; flex-wrap: wrap; }
.seg { display: inline-flex; background: rgba(0,0,0,.3); border: 1px solid var(--line); border-radius: 10px; padding: 3px; }
.seg button { border: 0; background: transparent; padding: 6px 13px; border-radius: 7px; font: 500 .8rem var(--sans); color: var(--muted); cursor: pointer; transition: all .2s; }
.seg button:hover { color: var(--ink); }
.seg button.on { background: rgba(255,255,255,.1); color: var(--ink); box-shadow: inset 0 0 0 1px var(--line2); }
.ex-panels { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.ex-panel h5 { margin: 0 0 10px; font: 600 .72rem var(--mono); text-transform: uppercase; letter-spacing: .05em; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.ex-panel h5 i { width: 9px; height: 9px; border-radius: 3px; }
.ex-row { display: grid; grid-template-columns: 132px 1fr 42px; align-items: center; gap: 8px; height: 22px; font-size: .75rem; color: var(--muted); cursor: default; }
.ex-row .nm { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.ex-row.o .nm { color: var(--ink); font-weight: 600; }
.ex-row .tr { position: relative; height: 9px; background: rgba(255,255,255,.03); border-radius: 0 4px 4px 0; }
.ex-row .bar { position: absolute; left: 0; top: 0; bottom: 0; border-radius: 0 4px 4px 0; background: #3a4256; width: 0; transition: width .8s cubic-bezier(.2,.8,.2,1); }
.ex-row.o .bar { background: linear-gradient(90deg, #2c6fc4, var(--blue)); box-shadow: 0 0 10px rgba(57,135,229,.45); }
.ex-row .v { text-align: right; font: .72rem var(--mono); color: var(--ink); }
.ex-row:hover .bar { filter: brightness(1.25); }
.ex-legend { display: flex; gap: 18px; margin-top: 14px; font: .7rem var(--mono); color: var(--muted); flex-wrap: wrap; }
.ex-legend i { display: inline-block; width: 11px; height: 11px; border-radius: 3px; margin-right: 6px; vertical-align: -1px; }
.lg-o { background: var(--blue); } .lg-b { background: #3a4256; }

/* findings, tabs */
.findings { margin: 20px 0 10px; }
.findings ol { margin: 0; padding: 0; list-style: none; counter-reset: f; display: grid; gap: 12px; }
.findings li { counter-increment: f; position: relative; padding: 18px 20px 18px 62px; border: 1px solid var(--line); border-radius: 14px; background: rgba(14,18,29,.55); color: var(--muted); font-size: .94rem; }
.findings li::before { content: "0" counter(f); position: absolute; left: 20px; top: 18px; font: 600 .82rem var(--mono); color: #8fbaff; }
.tabs { margin-top: 44px; }
.tab-bar { display: flex; gap: 4px; flex-wrap: wrap; border-bottom: 1px solid var(--line); }
.tab-bar button { border: 0; background: none; padding: 10px 14px; font: 500 .88rem var(--sans); color: var(--muted); cursor: pointer; position: relative; transition: color .2s; }
.tab-bar button:hover { color: var(--ink); }
.tab-bar button::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px; background: var(--grad); transform: scaleX(0); transition: transform .25s; }
.tab-bar button.on { color: var(--ink); } .tab-bar button.on::after { transform: scaleX(1); }
.tabfig { display: none; } .tabfig.on { display: block; animation: fadeup .45s ease-out; }

.abstract { color: var(--text); font-size: 1.02rem; line-height: 1.8; text-align: justify; margin: 0; }
.bib { padding: 0; overflow: hidden; }
.bib-bar { display: flex; align-items: center; gap: 7px; padding: 10px 14px; border-bottom: 1px solid var(--line); font: .72rem var(--mono); color: var(--faint); }
.bib-bar i { width: 10px; height: 10px; border-radius: 50%; }
.bib-bar i:nth-child(1) { background: #ff5f57; } .bib-bar i:nth-child(2) { background: #febc2e; } .bib-bar i:nth-child(3) { background: #28c840; }
.bib-bar span { margin-left: 8px; }
.bib-bar button { margin-left: auto; font: 500 .72rem var(--mono); color: var(--ink); background: rgba(255,255,255,.06); border: 1px solid var(--line2); border-radius: 7px; padding: 4px 10px; cursor: pointer; }
.bib pre { margin: 0; padding: 20px 22px; color: #c8d3ea; font: .8rem/1.65 var(--mono); overflow-x: auto; }

footer { position: relative; text-align: center; padding: 140px 24px 70px; color: var(--muted); overflow: hidden; }
.foot-glow { position: absolute; left: 50%; bottom: -260px; width: 900px; height: 520px; transform: translateX(-50%); background: radial-gradient(closest-side, rgba(106,168,255,.22), rgba(177,140,255,.10) 50%, transparent); pointer-events: none; }
.foot-mascot { position: relative; width: 56px; margin: 0 auto 10px; animation: float 6s ease-in-out infinite; }
.foot-name { position: relative; font: 800 2rem var(--sans); letter-spacing: -.04em; margin: 0 0 12px; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
footer .quote { position: relative; font-style: italic; margin: 0 0 8px; font-size: .9rem; }
footer .small { position: relative; font: .76rem var(--mono); margin: 0; }

@media (max-width: 1000px) {
  .theater { grid-template-columns: 1fr; }
  .th-chat { max-height: 420px; }
  .kgrid, .mgrid, .ex-panels { grid-template-columns: 1fr; }
  .topnav .links { display: none; }
}
@media (max-width: 760px) {
  .sec { padding-top: 72px; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .stat { border-right: 0; border-bottom: 1px solid var(--line); }
  .levels, .gaps { grid-template-columns: 1fr; }
  .authors br { display: none; }
  .mcard { flex-basis: 240px; }
  .lane { grid-template-columns: 64px 1fr 40px; }
  .lane-area { left: calc(12px + 64px); right: calc(12px + 40px); }
  .legend { display: none; }
  .t1 { gap: 10px; }
  .brand-word { font-size: 2.9rem; }
  .mascot { width: 52px; }
  .mcard .meta span:first-child { display: none; }
}

/* ---------- wider layout: split rows and tabbed viewers ---------- */
.split { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; margin-bottom: 28px; }
.split-text .lead { font-size: 1.05rem; }
.lead2 { color: var(--muted); font-size: .95rem; line-height: 1.7; margin: 16px 0 0; padding-top: 16px; border-top: 1px solid var(--line); }
.side-title { font: 600 .72rem var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin: 6px 0 10px; }
.split-side table { font-size: .8rem; }
.split-side th, .split-side td { padding: 8px 7px; }
.viewer { padding: 0; overflow: hidden; }
.viewer .tab-bar { display: flex; align-items: center; gap: 2px; padding: 8px 10px 0; border-bottom: 1px solid var(--line); background: rgba(0,0,0,.18); }
.viewer .tab-bar button[data-i] { border: 0; background: none; padding: 10px 14px; font: 500 .86rem var(--sans); color: var(--muted); cursor: pointer; position: relative; transition: color .2s; }
.viewer .tab-bar button[data-i]:hover { color: var(--ink); }
.viewer .tab-bar button[data-i]::after { content: ""; position: absolute; left: 10px; right: 10px; bottom: -1px; height: 2px; background: var(--grad); transform: scaleX(0); transition: transform .25s; }
.viewer .tab-bar button.on { color: var(--ink); } .viewer .tab-bar button.on::after { transform: scaleX(1); }
.viewer .tab-bar .replay { margin-left: auto; margin-bottom: 6px; visibility: hidden; }
.viewer.has-anim .tab-bar .replay { visibility: visible; }
.pane { display: none; padding: 16px; } .pane.on { display: block; animation: fadeup .45s ease-out; }
.pane .paper { box-shadow: 0 0 0 1px var(--line2); }
.pcap { color: var(--muted); font-size: .86rem; margin: 12px 2px 0; }
#method .viewer { margin-bottom: 0; }
.mgrid { margin-top: 16px; }
.results-split { margin-top: 16px; grid-template-columns: minmax(0, 4fr) minmax(0, 6fr); gap: 24px; }
.results-split .findings { margin: 0; }
.results-split .findings h3.sub { margin-top: 4px; }
.results-split .findings li { font-size: .9rem; }
.kgrid { margin-top: 4px; }
#abstract, #bibtex { padding-top: 72px; }
footer { padding-top: 110px; }
@media (max-width: 1000px) { .split, .results-split { grid-template-columns: 1fr; gap: 24px; } }

.motiv { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); margin-bottom: 0; }
.motiv .figure { margin: 0; position: sticky; top: 90px; }
.motiv .gaps { grid-template-columns: 1fr; gap: 10px; margin: 24px 0 0; }
.motiv .gap { display: flex; gap: 14px; padding: 16px 18px; align-items: flex-start; }
.motiv .gap .gn { flex: 0 0 auto; margin: 2px 0 0; width: 30px; height: 30px; }
.motiv .gap h3 { font-size: 1rem; margin-bottom: 4px; }
.motiv .gap p { font-size: .88rem; }
.promo-frame { max-width: 1180px; margin: 0 auto; }
.theater { max-width: 1280px; margin: 0 auto; }
.pane .paper { max-width: 1200px; margin: 0 auto; }
.pane .pcap { max-width: 1200px; margin-left: auto; margin-right: auto; }

#bench .split { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: 40px; }
.split-side table { font-size: .76rem; }
.split-side th, .split-side td { padding: 7px 6px; }
.split-side thead th { font-size: .62rem; }
/* wide screens: section title on the left, intro paragraph on the right */
@media (min-width: 1100px) {
  .sec-head { max-width: none; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); column-gap: 48px; align-items: end; }
  .sec-head .eyebrow { grid-column: 1; grid-row: 1; justify-self: start; }
  .sec-head h2 { grid-column: 1; grid-row: 2; margin-bottom: 0; }
  .sec-head .lead { grid-column: 2; grid-row: 1 / span 2; align-self: end; }
  #abstract .sec-head, #bibtex .sec-head { display: block; }
}
@media (max-width: 1000px) {
  .split, #bench .split, .motiv, .results-split { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .split > *, .results-split > * { min-width: 0; }
  .motiv .figure { position: static; }
}

/* separate animation cards, capped width */
.anim-card { max-width: 1240px; margin: 28px auto; }
.anim-card .paper { box-shadow: 0 0 0 1px var(--line2); }
/* results: one-line takeaways + 2x2 figure grid */
.takeaways { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0 24px; }
.takeaways div { display: flex; align-items: center; gap: 12px; padding: 16px 18px; border: 1px solid var(--line); border-radius: 14px; background: rgba(14,18,29,.6); color: var(--ink); font-weight: 600; font-size: .95rem; line-height: 1.35; }
.takeaways span { font: 600 .78rem var(--mono); color: #8fbaff; padding: 3px 7px; border-radius: 6px; border: 1px solid rgba(143,186,255,.35); background: rgba(57,135,229,.1); }
.fig-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.fig-grid .figure { margin: 0; }
.fig-grid figcaption { text-align: center; }
@media (max-width: 1000px) { .takeaways, .fig-grid { grid-template-columns: 1fr; } }

/* hero tagline: fixed lead-in + rotating phrase (slides up with blur, gradient text, drawn underline) */
.tagline { font-size: clamp(1.05rem, 1.7vw, 1.3rem); color: var(--ink); max-width: none; font-weight: 500; letter-spacing: -.01em; }
.rotator { display: inline-grid; vertical-align: bottom; text-align: left; }
.rotator span { grid-area: 1 / 1; white-space: nowrap; font-weight: 600; background: linear-gradient(90deg, #8fbaff, #c4a8ff, #ffb39a); -webkit-background-clip: text; background-clip: text; color: transparent;
  opacity: 0; transform: translateY(70%); filter: blur(6px); transition: opacity .6s cubic-bezier(.2,.7,.2,1), transform .6s cubic-bezier(.2,.7,.2,1), filter .6s ease-out; position: relative; padding-bottom: 3px; }
.rotator span::after { content: ""; position: absolute; left: 0; bottom: 0; height: 2px; width: 100%; border-radius: 2px; background: linear-gradient(90deg, #6aa8ff, #b18cff, #ff9a7a); transform: scaleX(0); transform-origin: left; transition: transform 2.4s cubic-bezier(.2,.7,.2,1) .2s; }
.rotator span.on { opacity: 1; transform: none; filter: none; }
.rotator span.on::after { transform: scaleX(1); }
.rotator span.out { opacity: 0; transform: translateY(-70%); filter: blur(6px); }
@media (max-width: 760px) { .rotator { display: grid; justify-items: center; margin-top: 4px; } .rotator span { white-space: normal; text-align: center; } }
.rotator span { justify-self: start; }
@media (max-width: 760px) { .rotator span { justify-self: center; } }

/* animations sit on dark panels that match the page */
.paper.dark { background: #101624; box-shadow: 0 0 0 1px var(--line2), 0 20px 50px rgba(0,0,0,.4); }
/* release status under the hero buttons */
.btn.soon em { color: #e6b85c; border-color: rgba(230,184,92,.4); }
.hf { font-size: 1rem; line-height: 1; }
.release-note { display: inline-flex; align-items: center; gap: 10px; margin: -26px auto 36px; padding: 7px 14px; border-radius: 999px; border: 1px solid rgba(230,184,92,.3);
  background: rgba(230,184,92,.08); color: #e9d3a3; font-size: .84rem; opacity: 0; animation: fadeup 1s ease-out 1.3s forwards; }
.release-note .pill-dot { background: #e6b85c; box-shadow: 0 0 0 4px rgba(230,184,92,.18); }

/* pending releases: grouped buttons with a small note underneath (no separate banner) */
.buttons { align-items: flex-start; }
.btn-group { display: flex; flex-direction: column; align-items: center; gap: 7px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.btn-note { font: .74rem var(--mono); color: #e6b85c; letter-spacing: .01em; display: inline-flex; align-items: center; gap: 7px; }
.btn-note::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: #e6b85c; box-shadow: 0 0 0 3px rgba(230,184,92,.18); }
.btn.soon { cursor: default; }
.btn.soon:hover { transform: none; }
.hero-inner { max-width: 1280px; }