@font-face { font-family: 'Bricolage Grotesque'; font-weight: 500 800; font-display: swap; src: url('/fonts/bricolage-grotesque-latin.woff2') format('woff2'); }
@font-face { font-family: 'Instrument Sans'; font-weight: 400 700; font-display: swap; src: url('/fonts/instrument-sans-latin.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 400; font-display: swap; src: url('/fonts/ibm-plex-mono-400-latin.woff2') format('woff2'); }
@font-face { font-family: 'IBM Plex Mono'; font-weight: 600; font-display: swap; src: url('/fonts/ibm-plex-mono-600-latin.woff2') format('woff2'); }

:root {
  --bg: #fbf7f6;
  --paper: #ffffff;
  --ink: #1a0f1e;
  --ink-2: #4d3f52;
  --ink-3: #85768a;
  --rule: #ece3e8;
  --rule-2: #e0d3db;
  --soft: #f5edf1;
  --magenta: #d00072;
  --magenta-2: #ff007f;
  --magenta-soft: #ffe3f0;
  --night: #16091b;
  --night-2: #241229;
  --night-rule: #3a2540;
  --night-ink: #f6eef4;
  --night-ink-2: #c3b2c3;
  --ok: #148a55;
  --sans: 'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display: 'Bricolage Grotesque', 'Instrument Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --w: 1200px;
  --r: 22px;
  --ease: cubic-bezier(.2, .8, .2, 1);
  --miku-logo-word: #ff007f;
  --miku-logo-i: #484848;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: clip; overflow-wrap: break-word; }
:is(h1, h2, h3, p, ul, ol, figure, blockquote) { margin: 0; }
:is(ul, ol) { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
svg { stroke: currentColor; fill: none; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.miku-lockup svg, .miku-mascot { stroke: none; }
:focus-visible { outline: 2px solid var(--magenta); outline-offset: 3px; border-radius: 8px; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 12px; top: 12px; z-index: 100; background: var(--paper); padding: 8px 14px; border-radius: 8px; }
.wrap { max-width: var(--w); margin-inline: auto; padding-inline: 24px; }
.narrow { max-width: 920px; }
.mono { font-family: var(--mono); letter-spacing: .02em; }
.hl { color: var(--magenta); }
.muted { color: var(--ink-3); }

h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -.03em; line-height: 1.02; text-wrap: balance; }
h1 { font-size: clamp(42px, 6.4vw, 84px); letter-spacing: -.04em; }
h2 { font-size: clamp(34px, 4.6vw, 60px); }
h2.big { font-size: clamp(40px, 6vw, 80px); }
h3 { font-size: 23px; line-height: 1.15; letter-spacing: -.02em; }
.eyebrow { font: 600 12px/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--magenta); margin-bottom: 18px; }
.sub { color: var(--ink-2); font-size: 19px; max-width: 640px; margin-top: 20px; text-wrap: pretty; }
.sec { padding: 128px 0; position: relative; }
.sec-head { max-width: 860px; margin-bottom: 64px; }

/* buttons */
.btn { display: inline-flex; align-items: center; gap: 10px; background: var(--magenta); color: #fff; font: 600 15px/1 var(--sans); padding: 14px 20px; border-radius: 999px; border: 1px solid transparent; transition: transform .25s var(--ease), background .2s, box-shadow .25s; box-shadow: 0 8px 24px -10px rgb(208 0 114 / .6), inset 0 1px 0 rgb(255 255 255 / .2); white-space: nowrap; }
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover { background: #b90066; transform: translateY(-1px); }
.btn:hover svg { transform: translateX(3px); }
.btn.lg { font-size: 17px; padding: 18px 26px; }
.btn.sm { font-size: 14px; padding: 10px 16px; }
.btn.ghost { background: transparent; color: var(--ink); border-color: var(--rule-2); box-shadow: none; }
.btn.ghost:hover { background: var(--paper); border-color: var(--ink-3); }
.btn.ghost.on-dark { color: var(--night-ink); border-color: var(--night-rule); }
.btn.ghost.on-dark:hover { background: var(--night-2); }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }
.ctas.center { justify-content: center; }

/* nav */
.nav { position: sticky; top: 0; z-index: 50; background: rgb(251 247 246 / .78); backdrop-filter: saturate(1.6) blur(16px); -webkit-backdrop-filter: saturate(1.6) blur(16px); border-bottom: 1px solid transparent; transition: border-color .3s; }
.nav.scrolled { border-bottom-color: var(--rule); }
.nav-in { display: flex; align-items: center; gap: 32px; height: 70px; }
.brand { display: flex; align-items: center; gap: 10px; }
.by { font-size: 11px; color: var(--ink-3); padding-top: 4px; }
.links { display: flex; gap: 28px; margin-left: auto; font-size: 15px; color: var(--ink-2); }
.links a:hover { color: var(--ink); }
.nav-cta { display: flex; gap: 8px; }

/* hero */
.hero { position: relative; padding: 72px 0 0; overflow: hidden; }
.glow { position: absolute; border-radius: 50%; filter: blur(90px); pointer-events: none; z-index: 0; }
.g1 { width: 620px; height: 620px; right: -120px; top: -160px; background: radial-gradient(circle, rgb(255 0 127 / .22), transparent 70%); }
.g2 { width: 520px; height: 520px; left: -220px; top: 280px; background: radial-gradient(circle, rgb(124 77 255 / .14), transparent 70%); }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); gap: 56px; align-items: center; padding-bottom: 80px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; color: var(--ink-2); background: var(--paper); border: 1px solid var(--rule); padding: 8px 14px 8px 12px; border-radius: 999px; margin-bottom: 28px; }
.live { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 0 0 rgb(20 138 85 / .5); animation: pulse 2.4s infinite; }
@keyframes pulse { 70% { box-shadow: 0 0 0 8px rgb(20 138 85 / 0); } 100% { box-shadow: 0 0 0 0 rgb(20 138 85 / 0); } }
.lead { font-size: 20px; color: var(--ink-2); margin: 28px 0 36px; max-width: 590px; text-wrap: pretty; }
.hero-proof { display: flex; flex-wrap: wrap; gap: 10px 28px; margin-top: 40px; color: var(--ink-3); font-size: 15px; }
.hero-proof li { display: flex; gap: 6px; align-items: baseline; }
.hero-proof li + li::before { content: ''; width: 4px; height: 4px; border-radius: 50%; background: var(--rule-2); margin-right: 18px; align-self: center; }
.hero-proof b { color: var(--ink); font-weight: 600; }

/* hero demo */
.hero-vis { position: relative; }
.demo { position: relative; background: var(--paper); border: 1px solid var(--rule); border-radius: 28px; box-shadow: 0 40px 80px -30px rgb(60 10 50 / .35), 0 2px 0 rgb(255 255 255) inset; transform: rotate(-1deg); }
.demo-bar { display: flex; justify-content: space-between; align-items: center; gap: 10px; padding: 16px 20px; border-bottom: 1px solid var(--rule); font-size: 14px; }
.demo-brand { display: flex; align-items: center; gap: 10px; font-weight: 600; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.demo-dot { width: 22px; height: 22px; border-radius: 7px; background: linear-gradient(135deg, #2b5cff, #00b3a4); flex: none; }
.demo-pill { font-size: 11px; color: var(--ok); background: #e7f6ee; padding: 5px 9px; border-radius: 999px; white-space: nowrap; }
.demo-body { padding: 22px 20px 24px; display: grid; gap: 16px; min-height: 430px; align-content: start; }
.msg.me { justify-self: end; max-width: 84%; background: var(--ink); color: #fff; padding: 12px 16px; border-radius: 18px 18px 4px 18px; font-size: 15px; line-height: 1.45; }
.msg.miku { display: grid; gap: 12px; }
.who { display: flex; align-items: center; gap: 8px; font: 600 13px var(--sans); color: var(--ink-2); }
.typed { font-size: 15.5px; line-height: 1.55; min-height: 4.65em; }
.typed .cur { display: inline-block; width: 2px; height: 1em; background: var(--magenta); vertical-align: -2px; margin-left: 1px; animation: blink 1s steps(1) infinite; }
.typed .ref { color: var(--magenta); font-weight: 600; }
@keyframes blink { 50% { opacity: 0; } }
.cites { display: flex; flex-wrap: wrap; gap: 8px; }
.cite { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; padding: 8px 12px; border-radius: 12px; background: var(--soft); color: var(--ink-2); border: 1px solid var(--rule); }
.cite svg { width: 16px; height: 16px; color: var(--magenta); }
.cite b { color: var(--ink); font-weight: 600; }
.cite.vid svg { color: #fff; background: var(--magenta); border-radius: 50%; padding: 3px; width: 18px; height: 18px; }
.followup { border: 1px dashed var(--rule-2); border-radius: 16px; padding: 14px; display: grid; gap: 10px; }
.followup > .mono { font-size: 11px; color: var(--magenta); text-transform: uppercase; letter-spacing: .12em; }
.followup .q { font-weight: 600; font-size: 15px; }
.opts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.opts span { text-align: center; padding: 8px 0; border-radius: 10px; border: 1px solid var(--rule); font: 600 13px var(--mono); color: var(--ink-3); transition: all .4s var(--ease); }
.demo.done .opts .ok { background: #e7f6ee; border-color: #9ad6b6; color: var(--ok); }
.cites, .followup { opacity: 0; transform: translateY(8px); transition: opacity .6s var(--ease), transform .6s var(--ease); }
.demo.cited .cites, .demo.done .followup { opacity: 1; transform: none; }
.demo-float { position: absolute; background: var(--paper); border: 1px solid var(--rule); border-radius: 16px; padding: 12px 14px; box-shadow: 0 24px 48px -24px rgb(60 10 50 / .4); display: grid; gap: 6px; font-size: 13px; }
.demo-float .mono { font-size: 10px; text-transform: uppercase; letter-spacing: .12em; color: var(--ink-3); }
.f1 { left: -44px; bottom: 74px; width: 150px; transform: rotate(2deg); animation: float 7s ease-in-out infinite; }
.f1 b { font: 700 28px/1 var(--display); }
.f2 { right: 36px; bottom: -40px; width: 172px; transform: rotate(3deg); animation: float 8s ease-in-out -2s infinite; }
.f2 b { font-weight: 600; line-height: 1.3; }
@keyframes float { 50% { translate: 0 -8px; } }
.bar { display: block; height: 6px; border-radius: 6px; background: var(--soft); overflow: hidden; }
.bar i { display: block; height: 100%; width: var(--w); background: linear-gradient(90deg, var(--magenta), var(--magenta-2)); border-radius: inherit; }

/* logos */
.logos-band { position: relative; z-index: 1; border-top: 1px solid var(--rule); padding: 36px 0 44px; text-align: center; }
.logos-band > p { font-size: 12px; color: var(--ink-3); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 28px; }
.marquee { overflow: hidden; -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.track { display: flex; align-items: center; gap: 72px; width: max-content; animation: marquee 38s linear infinite; }
.track img { height: 40px; width: auto; max-width: 170px; object-fit: contain; filter: grayscale(1) contrast(1.1); opacity: .62; transition: filter .3s, opacity .3s; }
.track img:hover { filter: none; opacity: 1; }
.marquee:hover .track { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(calc(-50% - 36px)); } }

/* principle */
.principle { background: var(--paper); border-block: 1px solid var(--rule); }
.three { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--ink); }
.num { padding: 36px 32px 8px 0; display: grid; gap: 16px; align-content: start; }
.num + .num { padding-left: 32px; border-left: 1px solid var(--rule); }
.num .n { font-size: 13px; color: var(--magenta); font-weight: 600; }
.num p { color: var(--ink-2); }

/* stats */
.stats { background: var(--night); color: var(--night-ink); padding: 72px 0 40px; }
.stats-in { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.stat { display: grid; gap: 8px; padding-left: 20px; border-left: 1px solid var(--night-rule); }
.stat b { font: 700 clamp(40px, 5vw, 64px)/1 var(--display); letter-spacing: -.04em; background: linear-gradient(180deg, #fff, #f3bcd9); -webkit-background-clip: text; background-clip: text; color: transparent; font-variant-numeric: tabular-nums; }
.stat span { color: var(--night-ink-2); font-size: 15px; }
.stats-note { font-size: 11px; color: #8a768e; margin-top: 36px; }

/* manifesto */
.manifesto { text-align: left; }
.mani-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; margin-top: 48px; color: var(--ink-2); font-size: 18px; }

/* bento */
.exam { background: linear-gradient(180deg, var(--bg), #f6eef2); }
.bento { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 18px; }
.tile { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); padding: 30px; display: grid; gap: 12px; align-content: start; overflow: hidden; position: relative; transition: transform .4s var(--ease), box-shadow .4s var(--ease); }
.tile:hover { transform: translateY(-3px); box-shadow: 0 30px 60px -36px rgb(60 10 50 / .35); }
.tile .eyebrow { margin-bottom: 4px; }
.tile p { color: var(--ink-2); font-size: 16px; }
.t-ready { grid-column: span 4; grid-template-columns: minmax(0, .75fr) minmax(0, 1.25fr); gap: 28px; align-items: center; }
.tile-txt { display: grid; gap: 12px; }
.t-ready h3, .t-lecture h3 { font-size: 30px; }
.tile-vis { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 16px 24px; align-items: center; }
.ring { position: relative; width: 132px; height: 132px; }
.ring svg { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { stroke: var(--soft); stroke-width: 11; }
.ring .fg { stroke: var(--magenta); stroke-dasharray: 326.7; stroke-dashoffset: 326.7; transition: stroke-dashoffset 1.6s var(--ease) .2s; }
.in .ring .fg { stroke-dashoffset: calc(326.7 * (1 - var(--v) / 100)); }
.ring > div { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring b { font: 700 32px/1 var(--display); }
.ring span { font-size: 11px; color: var(--ink-3); max-width: 76px; line-height: 1.2; margin-top: 4px; }
.gaps { display: grid; gap: 12px; font-size: 14px; }
.gaps li { display: grid; grid-template-columns: minmax(0, 1fr) 56px 32px; font-size: 13.5px; white-space: nowrap; gap: 10px; align-items: center; }
.gaps b { font: 600 13px var(--mono); text-align: right; }
.gaps .bar i, .freq b { transform-origin: left; transform: scaleX(0); transition: transform 1.2s var(--ease) .3s; }
.in .gaps .bar i, .in .freq b { transform: scaleX(1); }
.note { grid-column: 1 / -1; font-size: 12px; color: var(--magenta); background: var(--magenta-soft); padding: 8px 12px; border-radius: 10px; }
.t-papers { grid-column: span 2; }
.freq { display: grid; gap: 10px; margin: 6px 0 2px; counter-reset: f; font-size: 14px; }
.freq li { display: grid; gap: 5px; }
.freq b { display: block; height: 6px; width: var(--w); border-radius: 6px; background: linear-gradient(90deg, var(--ink), #6a4f72); }
.t-level, .t-sim, .t-match { grid-column: span 2; }
.ladder { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; align-items: end; margin: 8px 0; }
.ladder span { font: 600 10.5px var(--mono); text-transform: uppercase; letter-spacing: .04em; color: var(--ink-3); text-align: center; padding: 10px 0 8px; border-radius: 10px; background: var(--soft); }
.ladder span:nth-child(1) { height: 44px; } .ladder span:nth-child(2) { height: 60px; } .ladder span:nth-child(3) { height: 76px; } .ladder span:nth-child(4) { height: 92px; }
.ladder span { display: flex; align-items: flex-end; justify-content: center; }
.ladder .on { background: var(--magenta); color: #fff; box-shadow: 0 10px 24px -10px rgb(208 0 114 / .7); }
.board { display: grid; gap: 6px; margin-top: 6px; }
.board div { display: grid; grid-template-columns: 28px 1fr auto; align-items: center; padding: 10px 12px; border-radius: 12px; background: var(--soft); font-size: 14px; }
.board span:first-child { font: 600 12px var(--mono); color: var(--ink-3); }
.board b { font: 600 14px var(--mono); }
.board .you { background: var(--ink); color: #fff; }
.board .you span:first-child { color: #f3bcd9; }
.vs { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 18px; padding: 22px; background: var(--night); border-radius: 16px; color: #fff; }
.vs b { font-size: 26px; }
.vs .p { width: 52px; height: 52px; border-radius: 50%; display: grid; place-items: center; background: var(--night-2); border: 2px solid var(--magenta); }
.vs .alt { border-color: #7c4dff; font: 700 20px var(--display); }
.t-lecture { grid-column: span 6; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 40px; align-items: center; background: var(--night); border-color: var(--night); color: var(--night-ink); }
.t-lecture p { color: var(--night-ink-2); }
.video { position: relative; border-radius: 16px; overflow: hidden; border: 1px solid var(--night-rule); }
.video img { width: 100%; aspect-ratio: 16 / 7.4; object-fit: cover; opacity: .9; }
.scrub { position: absolute; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: auto 1fr; gap: 14px; align-items: center; padding: 14px 16px; background: linear-gradient(transparent, rgb(0 0 0 / .75)); color: #fff; font-size: 12px; }
.scrub .track { height: 4px; background: rgb(255 255 255 / .25); border-radius: 4px; animation: none; width: auto; display: block; }
.scrub .track i { display: block; height: 100%; width: 47%; background: var(--magenta-2); border-radius: inherit; position: relative; }
.scrub .track i::after { content: ''; position: absolute; right: -6px; top: -4px; width: 12px; height: 12px; border-radius: 50%; background: #fff; box-shadow: 0 0 0 4px rgb(255 0 127 / .4); }
.also { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 32px; justify-content: center; }
.also li { font-size: 14px; padding: 8px 14px; border: 1px solid var(--rule-2); border-radius: 999px; color: var(--ink-2); background: rgb(255 255 255 / .6); }

/* dark school */
.dark { background: var(--night); color: var(--night-ink); overflow: hidden; }
.dark .sub { color: var(--night-ink-2); }
.dark .hl { color: #ff4fa3; }
.dark .eyebrow { color: #ff4fa3; }
.g3 { width: 700px; height: 700px; right: -200px; top: -200px; background: radial-gradient(circle, rgb(255 0 127 / .22), transparent 70%); }
.split { position: relative; display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 64px; align-items: center; }
.ticks { display: grid; gap: 18px; margin-top: 40px; }
.ticks li { display: grid; grid-template-columns: 26px 1fr; gap: 12px; color: var(--night-ink-2); }
.ticks svg { width: 22px; height: 22px; color: #ff4fa3; margin-top: 2px; }
.ticks b { color: var(--night-ink); }
.insight { background: var(--night-2); border: 1px solid var(--night-rule); border-radius: 24px; padding: 24px; display: grid; gap: 20px; box-shadow: 0 40px 80px -40px rgb(0 0 0 / .7); }
.insight-head { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--night-ink-2); }
.chip { font-size: 12px; padding: 4px 10px; border-radius: 999px; background: rgb(255 79 163 / .14); color: #ff8ec4; }
.heat { display: grid; gap: 5px; font-size: 12.5px; }
.heat-head, .heat-row { display: grid; grid-template-columns: 108px repeat(8, minmax(0, 1fr)); gap: 5px; align-items: center; }
.heat-head span { font-size: 10px; color: #8a768e; text-align: center; }
.heat-row > span { color: var(--night-ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.heat-row i { display: block; aspect-ratio: 1.5; border-radius: 5px; background: rgb(255 0 127 / var(--a)); opacity: 0; transform: scale(.6); transition: opacity .5s, transform .5s var(--ease); }
.in .heat-row i { opacity: 1; transform: none; }
.heat-legend { display: flex; align-items: center; gap: 10px; justify-content: flex-end; font-size: 10px; color: #8a768e; margin-top: 6px; }
.heat-legend i { width: 80px; height: 6px; border-radius: 6px; background: linear-gradient(90deg, rgb(255 0 127 / .1), rgb(255 0 127 / .95)); }
.asked > p { font-size: 11px; text-transform: uppercase; letter-spacing: .12em; color: #8a768e; margin-bottom: 10px; }
.asked ol { display: grid; gap: 6px; }
.asked li { display: flex; justify-content: space-between; gap: 12px; padding: 10px 12px; background: rgb(255 255 255 / .04); border-radius: 10px; font-size: 14px; }
.asked b { font: 600 13px var(--mono); color: #ff8ec4; }
.flagged { display: flex; gap: 10px; align-items: center; font-size: 14px; color: var(--night-ink-2); padding: 12px; border: 1px dashed var(--night-rule); border-radius: 12px; }
.flagged svg { width: 18px; height: 18px; color: #ffb648; flex: none; }
.flagged b { color: var(--night-ink); }

/* how */
.steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; counter-reset: s; position: relative; }
.steps li { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); padding: 30px; display: grid; gap: 12px; align-content: start; position: relative; }
.steps li::before { counter-increment: s; content: counter(s); position: absolute; right: 24px; top: 14px; font: 800 88px/1 var(--display); color: var(--soft); letter-spacing: -.05em; }
.day { position: relative; font-size: 12px; color: var(--magenta); font-weight: 600; text-transform: uppercase; letter-spacing: .12em; }
.steps h3, .steps p { position: relative; }
.steps p { color: var(--ink-2); }

/* compare */
.compare { background: var(--paper); border-block: 1px solid var(--rule); }
.table-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r); }
table { width: 100%; border-collapse: collapse; min-width: 640px; font-size: 16px; }
th, td { padding: 18px 22px; text-align: center; border-bottom: 1px solid var(--rule); }
tbody tr:last-child > * { border-bottom: 0; }
thead th { font: 600 13px var(--mono); color: var(--ink-3); letter-spacing: .04em; vertical-align: middle; }
tbody th { text-align: left; font-weight: 500; color: var(--ink); }
.us { background: #fff2f8; }
thead th.us { border-radius: 0; }
thead th.us .miku-lockup { margin-inline: auto; }
td .yes svg { width: 22px; height: 22px; color: var(--magenta); stroke-width: 2.6; margin-inline: auto; }
td .no svg { width: 18px; height: 18px; color: #c7b8c3; margin-inline: auto; }
td .part { display: inline-flex; align-items: center; gap: 4px; color: var(--ink-3); font-size: 13px; }
td .part svg { width: 16px; height: 16px; }
td .part em { font-style: normal; }
td .word { font-weight: 600; }
td.us .word { color: var(--magenta); }

/* proof */
.quotes { display: grid; grid-template-columns: 1.3fr 1fr 1fr; gap: 18px; }
.quote { background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); padding: 32px; display: flex; flex-direction: column; justify-content: space-between; gap: 32px; }
.quote blockquote { font-size: 17px; line-height: 1.55; color: var(--ink); }
.quote.feature { background: var(--magenta); border-color: var(--magenta); color: #fff; }
.quote.feature blockquote { font: 600 24px/1.3 var(--display); letter-spacing: -.015em; color: #fff; }
.quote figcaption { display: flex; align-items: center; gap: 12px; }
.quote figcaption img { width: 46px; height: 46px; border-radius: 50%; object-fit: cover; }
.quote figcaption span { display: grid; font-size: 14px; }
.quote figcaption em { font-style: normal; color: var(--ink-3); font-size: 13px; }
.quote.feature figcaption em { color: #ffd2e8; }
.tryit { margin-top: 18px; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 0; background: var(--paper); border: 1px solid var(--rule); border-radius: var(--r); overflow: hidden; transition: box-shadow .4s var(--ease); }
.tryit:hover { box-shadow: 0 30px 60px -36px rgb(60 10 50 / .35); }
.tryit img { width: 100%; height: 100%; object-fit: cover; object-position: top left; aspect-ratio: 16 / 9; }
.tryit > div { padding: 40px; display: grid; gap: 12px; align-content: center; justify-items: start; }
.tryit h3 { font-size: 30px; }
.tryit p { color: var(--ink-2); }
.tryit .btn { margin-top: 8px; }

/* trust */
.trust { padding: 0 0 128px; }
.trust-box { display: flex; justify-content: space-between; align-items: center; gap: 32px; padding: 32px 36px; border: 1px solid var(--rule-2); border-radius: var(--r); background: var(--paper); }
.trust-l { display: flex; gap: 16px; align-items: center; }
.trust-l svg { width: 30px; height: 30px; color: var(--magenta); flex: none; }
.trust-l h2 { font-size: 28px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: flex-end; }
.chips li { font-size: 14px; padding: 8px 14px; border-radius: 999px; background: var(--soft); color: var(--ink-2); }

/* faq */
.faq { padding-top: 0; }
.faq-grid { display: grid; grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 64px; align-items: start; }
.faq-grid > div:first-child { position: sticky; top: 110px; }
.faq .sub a { color: var(--magenta); border-bottom: 1px solid currentColor; }
.faq-list { border-top: 1px solid var(--ink); }
details { border-bottom: 1px solid var(--rule-2); }
summary { list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: center; padding: 24px 0; font: 600 20px/1.3 var(--display); letter-spacing: -.01em; }
summary::-webkit-details-marker { display: none; }
.pm svg { width: 22px; height: 22px; color: var(--magenta); transition: transform .3s var(--ease); }
details[open] .pm svg { transform: rotate(45deg); }
details p { color: var(--ink-2); padding: 0 48px 26px 0; }

/* final */
.final { position: relative; background: var(--night); color: var(--night-ink); padding: 128px 0; text-align: center; overflow: hidden; }
.g4 { width: 900px; height: 600px; left: 50%; top: 50%; translate: -50% -40%; background: radial-gradient(circle, rgb(255 0 127 / .25), transparent 65%); }
.final-in { position: relative; display: grid; justify-items: center; gap: 24px; }
.final h2 { font-size: clamp(40px, 6vw, 80px); max-width: 900px; }
.final .hl { color: #ff4fa3; }
.final p { color: var(--night-ink-2); font-size: 19px; max-width: 560px; }
.final .ctas { margin-top: 12px; }
.pilot { display: flex; gap: 28px; font-size: 13px; color: #8a768e; margin-top: 16px; }
.pilot b { color: var(--night-ink); font-size: 15px; }

/* footer */
.foot { background: #0f0613; color: var(--night-ink-2); padding: 64px 0 32px; font-size: 15px; }
.foot-in { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr); gap: 48px; }
.foot-brand { display: grid; gap: 16px; align-content: start; justify-items: start; }
.foot-cols { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; }
.foot-cols div { display: grid; gap: 10px; align-content: start; }
.foot-cols .mono { font-size: 11px; text-transform: uppercase; letter-spacing: .14em; color: #8a768e; margin-bottom: 4px; }
.foot-cols a:hover { color: #fff; }
.foot-base { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: 11px; color: #6e5c72; margin-top: 56px; padding-top: 24px; border-top: 1px solid var(--night-rule); }

/* reveal */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.three .reveal:nth-child(2), .steps .reveal:nth-child(2) { transition-delay: .08s; }
.three .reveal:nth-child(3), .steps .reveal:nth-child(3) { transition-delay: .16s; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .cites, .followup { opacity: 1; transform: none; }
}

/* responsive */
@media (max-width: 1080px) {
  .links { display: none; }
  .nav-cta { margin-left: auto; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); gap: 64px; }
  .hero-vis { max-width: 560px; margin-inline: auto; width: 100%; }
  .t-ready, .t-lecture { grid-column: span 6; }
  .t-papers, .t-level, .t-sim, .t-match { grid-column: span 3; }
  .split { grid-template-columns: minmax(0, 1fr); }
  .quotes { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .quote.feature { grid-column: 1 / -1; }
  .trust-box { flex-direction: column; align-items: flex-start; }
  .chips { justify-content: flex-start; }
}
@media (max-width: 760px) {
  body { font-size: 16px; }
  .wrap { padding-inline: 16px; }
  .sec { padding: 88px 0; }
  .sec-head { margin-bottom: 44px; }
  .nav-cta .ghost { display: none; }
  .by { display: none; }
  .hero { padding-top: 40px; }
  .lead { font-size: 18px; }
  .demo { transform: none; }
  .f1 { left: 8px; bottom: -36px; }
  .f2 { display: none; }
  .hero-proof li + li::before { display: none; }
  .trust-box { padding: 24px; }
  .hero-grid { padding-bottom: 72px; }
  .three { grid-template-columns: minmax(0, 1fr); }
  .num, .num + .num { padding: 28px 0; border-left: 0; }
  .num + .num { border-top: 1px solid var(--rule); }
  .stats-in { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px 16px; }
  .mani-cols { grid-template-columns: minmax(0, 1fr); gap: 20px; margin-top: 32px; }
  .t-papers, .t-level, .t-sim, .t-match { grid-column: span 6; }
  .t-ready, .t-lecture { grid-template-columns: minmax(0, 1fr); }
  .tile { padding: 24px; }
  .tile-vis { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .gaps { width: 100%; }
  .heat-head, .heat-row { grid-template-columns: 82px repeat(8, minmax(0, 1fr)); gap: 3px; }
  .steps { grid-template-columns: minmax(0, 1fr); }
  .quotes { grid-template-columns: minmax(0, 1fr); }
  .tryit { grid-template-columns: minmax(0, 1fr); }
  .tryit > div { padding: 28px; }
  .faq-grid { grid-template-columns: minmax(0, 1fr); gap: 32px; }
  .faq-grid > div:first-child { position: static; }
  summary { font-size: 18px; }
  details p { padding-right: 0; }
  .foot-in { grid-template-columns: minmax(0, 1fr); }
  .foot-cols { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
  .pilot { gap: 16px; }
}

.langs { display: flex; flex-wrap: wrap; gap: 12px; }
.langs a { color: inherit; text-decoration: none; letter-spacing: .08em; }
.langs a:hover, .langs a[aria-current] { color: #fff; }