:root {
  /* brand */
  --night: #080D17;
  --light: #F5F7FF;
  --blue: #2962EC;
  /* support */
  --mist: #B1BBCD;
  --slate: #5A6478;
  --sky: #6B95FF;
  --blue-hover: #3C72F3;
  --surface: #0F1726;
  --line: #DDE2EE;
  --line-dark: #1C2536;
  --white: #FFFFFF;

  --display-font: 'Taamula', 'Almoni', system-ui, sans-serif;
  --font: 'Almoni', system-ui, sans-serif;
  --pad: clamp(20px, 5.4vw, 96px);
  --max: 1560px;
  --bar: 64px;
  --slide: clamp(560px, 100svh, 56.25vw);

  /* Fluid type: 390px mobile to 1440px desktop. */
  --fs-display: clamp(54px, calc(54px + 0.040000000 * (100vw - 390px)), 96px);
  --lh-display: clamp(58px, calc(58px + 0.038095238 * (100vw - 390px)), 98px);
  --fs-title: clamp(36px, calc(36px + 0.019047619 * (100vw - 390px)), 56px);
  --lh-title: clamp(42px, calc(42px + 0.019047619 * (100vw - 390px)), 62px);
  --fs-sub: clamp(22px, calc(22px + 0.005714286 * (100vw - 390px)), 28px);
  --lh-sub: clamp(28px, calc(28px + 0.005714286 * (100vw - 390px)), 34px);
  --fs-body: clamp(19px, calc(19px + 0.001904762 * (100vw - 390px)), 21px);
  --lh-body: clamp(28px, calc(28px + 0.001904762 * (100vw - 390px)), 30px);
  --fs-ui: clamp(17px, calc(17px + 0.002857143 * (100vw - 390px)), 20px);
  --lh-ui: clamp(22px, calc(22px + 0.001904762 * (100vw - 390px)), 24px);
  --fs-cap: clamp(15px, calc(15px + 0.000952381 * (100vw - 390px)), 16px);
  --lh-cap: clamp(20px, calc(20px + 0.001904762 * (100vw - 390px)), 22px);
  --fs-kicker: 15px;
  --lh-kicker: 20px;

  --ease-flow: cubic-bezier(.2, .7, .2, 1);
  --dur-fast: .2s;
  --dur-base: .45s;
  --dur-calm: .6s;
  --dur-logo: 1.4s;
  color-scheme: light;
}

@font-face { font-family: Taamula; font-weight: 300; font-display: swap; src: url('assets/fonts/taamula-light.woff2') format('woff2'); }
@font-face { font-family: Taamula; font-weight: 400; font-display: swap; src: url('assets/fonts/taamula-regular.woff2') format('woff2'); }
@font-face { font-family: Taamula; font-weight: 500; font-display: swap; src: url('assets/fonts/taamula.woff2') format('woff2'); }
@font-face { font-family: Taamula; font-weight: 700; font-display: swap; src: url('assets/fonts/taamula-bold.woff2') format('woff2'); }
@font-face { font-family: Almoni; font-weight: 400; font-display: swap; src: url('assets/fonts/almoni-regular.woff2') format('woff2'); }
@font-face { font-family: Almoni; font-weight: 700; font-display: swap; src: url('assets/fonts/almoni-bold.woff2') format('woff2'); }

*, ::before, ::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--bar); background: var(--night); }
body { margin: 0; background: var(--light); color: var(--night); font-family: var(--font); font-weight: 400; font-size: var(--fs-body); line-height: var(--lh-body); -webkit-font-smoothing: antialiased; }
.book { direction: rtl; overflow-x: clip; }
h1, h2, h3, h4, p, ol, ul, figure, blockquote { margin: 0; }
h1, h2, h3, h4, h5 { line-height: 1.15; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
img, svg { display: block; }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 3px; border-radius: 4px; }
.dark :focus-visible, .bar.dk :focus-visible { outline-color: #ADC5FF; }
::selection { background: var(--blue); color: var(--white); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.ltr, .latin { direction: ltr; unicode-bidi: isolate; }
.wrap { width: 100%; max-width: var(--max); margin-inline: auto; }
.skip { position: fixed; inset-inline-start: 16px; top: -80px; z-index: 60; background: var(--blue); color: var(--white); padding: 12px 18px; border-radius: 50px; font-weight: 700; }
.skip:focus { top: 12px; }

/* type */
.t-display { font-family: var(--display-font); font-size: var(--fs-display); line-height: var(--lh-display); font-weight: 500; text-wrap: balance; }
.t-title { font-family: var(--display-font); font-size: var(--fs-title); line-height: var(--lh-title); font-weight: 500; text-wrap: balance; }
.t-sub { font-family: var(--display-font); font-size: var(--fs-sub); line-height: var(--lh-sub); font-weight: 400; }
.t-cap, .eyebrow { font-size: var(--fs-cap); line-height: var(--lh-cap); font-weight: 700; }
.eyebrow { color: var(--slate); }
.kicker { direction: ltr; unicode-bidi: isolate; display: inline-block; font-size: var(--fs-kicker); line-height: var(--lh-kicker); font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); }
.dark .kicker { color: var(--sky); }
.lead { color: var(--slate); max-width: 36em; text-wrap: pretty; }
.muted { color: var(--slate); }
.blue { color: var(--blue); }
.dark .blue { color: var(--sky); }
.strike { color: var(--slate); text-decoration: line-through 1.5px rgba(90, 100, 120, .55); }

.dark { background: var(--night); color: var(--light); }
.dark .eyebrow, .dark .lead, .dark .muted { color: var(--mist); }
.light { background: var(--light); }
.white { background: var(--white); }

/* top bar */
.bar { position: fixed; inset-inline: 0; top: 0; z-index: 30; color: var(--light); transition: color var(--dur-base) var(--ease-flow); }
.bar::before { content: ""; position: absolute; inset: 0; opacity: 0; backdrop-filter: blur(14px); transition: opacity var(--dur-base) var(--ease-flow), background-color var(--dur-base) var(--ease-flow); }
.bar.dk::before { background: rgba(8, 13, 23, .88); opacity: 1; }
.bar.lt { color: var(--night); }
.bar.lt::before { background: rgba(245, 247, 255, .9); opacity: 1; box-shadow: 0 1px 0 rgba(8, 13, 23, .07); }
.bar.top::before { opacity: 0; }
.bar .in { position: relative; height: var(--bar); display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 20px; padding-inline: var(--pad); }
.bar .brand { justify-self: start; display: flex; align-items: center; gap: 10px; font-family: var(--display-font); font-weight: 500; font-size: 19px; transition: opacity var(--dur-base) var(--ease-flow); }
.bar .brand svg { height: 22px; width: auto; }
.bar .now { font-size: var(--fs-cap); font-weight: 700; opacity: .72; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar .menu { justify-self: end; }
.bar.top .brand, .bar.top .now { opacity: 0; pointer-events: none; }
.menu { display: grid; place-items: center; width: 44px; height: 44px; margin-inline-end: -12px; padding: 0; border: 0; border-radius: 50%; background: transparent; cursor: pointer; transition: background-color var(--dur-fast); }
.menu svg { width: 24px; height: 24px; }
.menu:hover { background: rgba(8, 13, 23, .07); }
.bar.dk .menu:hover, .bar.top .menu:hover, .index .menu:hover { background: rgba(245, 247, 255, .12); }
@media (max-width: 720px) { .bar .now { display: none; } .bar .in { grid-template-columns: minmax(0, 1fr) auto; } }

/* index overlay */
.index { position: fixed; inset: 0; z-index: 40; overflow-y: auto; padding: 0 var(--pad); }
.index[hidden] { display: none; }
.index .top { height: var(--bar); display: flex; align-items: center; justify-content: space-between; }
.index .top svg.lg { height: 26px; width: auto; }
.index ol { padding-block: clamp(24px, 5vw, 72px) clamp(40px, 6vw, 96px); }
.index li a { display: grid; grid-template-columns: clamp(44px, 6vw, 96px) minmax(0, 1fr) auto; align-items: baseline; gap: 16px; padding-block: clamp(12px, 1.6vw, 18px); border-top: 1px solid var(--line-dark); }
.index li:last-child a { border-bottom: 1px solid var(--line-dark); }
.index .n { font-size: var(--fs-cap); font-weight: 700; color: var(--mist); direction: ltr; text-align: right; }
.index .t { font-family: var(--display-font); font-size: var(--fs-title); line-height: var(--lh-title); font-weight: 400; transition: transform var(--dur-base) var(--ease-flow), color var(--dur-fast); }
.index .d { font-size: var(--fs-cap); color: var(--mist); max-width: 24em; text-align: left; }
.index a:hover .t { transform: translateX(-10px); color: var(--sky); }
@media (max-width: 820px) { .index .d { display: none; } .index li a { grid-template-columns: 44px minmax(0, 1fr); } }

/* slides */
.s { position: relative; isolation: isolate; }
.slide { min-height: var(--slide); display: flex; flex-direction: column; justify-content: center; padding: calc(var(--bar) + clamp(40px, 5vw, 80px)) var(--pad) clamp(88px, 9vw, 132px); }
.panel { padding: calc(var(--bar) + clamp(56px, 7vw, 112px)) var(--pad) clamp(120px, 12vw, 192px); }
.cn { position: absolute; z-index: 3; inset-inline: var(--pad); bottom: clamp(22px, 2.6vw, 40px); display: flex; justify-content: space-between; align-items: baseline; gap: 24px; font-size: var(--fs-cap); line-height: var(--lh-cap); font-weight: 700; color: var(--slate); pointer-events: none; }
.dark .cn { color: var(--mist); }
.cn .pg { direction: ltr; font-variant-numeric: tabular-nums; letter-spacing: .04em; white-space: nowrap; }
.head { display: grid; gap: 18px; max-width: 54rem; margin-bottom: clamp(48px, 6vw, 96px); }
.block + .block { margin-top: clamp(96px, 11vw, 168px); }
.js .rv { opacity: 0; transform: translateY(24px); transition: opacity var(--dur-calm) var(--ease-flow), transform var(--dur-calm) var(--ease-flow); }
.js .rv.in { opacity: 1; transform: none; }

/* cover */
.cover { min-height: max(560px, 100svh); display: grid; place-items: center; padding: var(--bar) var(--pad); overflow: hidden; }
.cover .brand-mark { width: clamp(180px, 28vw, 440px); height: auto; color: var(--light); }
.cover .cn { justify-content: center; color: var(--mist); }

/* orbits: the motif taken from the site hero */
.orbit { position: absolute; border: 1px solid rgba(80, 126, 251, .5); border-radius: 45%; pointer-events: none; z-index: -1; }
.orbit::after { content: ""; position: absolute; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); box-shadow: 0 0 20px var(--blue); top: 18%; right: 7%; }
.cover .orbit.o1 { width: 92vw; height: 46vw; max-height: 80vh; transform: rotate(-14deg); }
.cover .orbit.o2 { width: 40vw; height: 78vw; max-height: 120vh; transform: rotate(48deg); border-color: rgba(103, 153, 255, .18); }
.cover .orbit.o2::after { display: none; }

/* scene: opening line as a lit billboard (no photo) */
.street { min-height: var(--slide); display: grid; place-items: center; padding: calc(var(--bar) + 40px) var(--pad) 120px; background: radial-gradient(ellipse at 50% 120%, #14203a 0%, var(--night) 60%); overflow: hidden; }
.billboard { position: relative; width: min(1100px, 100%); aspect-ratio: 2.4; border-radius: 14px; background: var(--blue); display: grid; place-content: center; gap: 18px; padding: clamp(24px, 4vw, 64px); color: var(--white); box-shadow: 0 0 120px rgba(41, 98, 236, .45), 0 0 0 10px #10172a, 0 0 0 11px #222b40; text-align: center; }
.billboard .t-display { font-size: clamp(30px, 14px + 4vw, 84px); line-height: 1.1; }
.billboard small { font-size: var(--fs-cap); font-weight: 700; opacity: .8; }
.billboard::after { content: ""; position: absolute; top: 100%; inset-inline: 30% 30%; height: 40vh; background: linear-gradient(90deg, #10172a 0 6px, transparent 6px calc(100% - 6px), #10172a calc(100% - 6px)); }

/* contents */
.about { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: clamp(40px, 7vw, 128px); align-items: start; }
.about .intro { display: grid; gap: 24px; position: sticky; top: calc(var(--bar) + 40px); }
.toc li a { display: grid; grid-template-columns: clamp(44px, 5vw, 72px) minmax(0, 1fr); gap: 4px 16px; padding-block: clamp(16px, 1.8vw, 22px); border-top: 1px solid var(--line); }
.toc li:last-child a { border-bottom: 1px solid var(--line); }
.toc .n { font-size: var(--fs-cap); font-weight: 700; color: var(--slate); grid-row: span 2; padding-top: 10px; direction: ltr; text-align: right; }
.toc .t { font-family: var(--display-font); font-size: var(--fs-title); line-height: var(--lh-title); font-weight: 400; transition: color var(--dur-fast); }
.toc .d { font-size: var(--fs-cap); color: var(--slate); }
.toc a:hover .t { color: var(--blue); }
@media (max-width: 900px) { .about { grid-template-columns: minmax(0, 1fr); } .about .intro { position: static; } }

/* chapter opener */
.opener { min-height: var(--slide); display: grid; align-content: end; padding: calc(var(--bar) + 48px) var(--pad) clamp(96px, 9vw, 148px); overflow: hidden; }
.opener .num { position: absolute; z-index: -1; left: calc(var(--pad) - .06em); top: 50%; transform: translateY(-56%); direction: ltr; font-family: var(--display-font); font-size: clamp(220px, 36vw, 680px); font-weight: 300; line-height: .78; letter-spacing: -.04em; color: var(--line-dark); pointer-events: none; user-select: none; }
.opener .body { display: grid; gap: 22px; max-width: 46rem; }
.opener .lead { max-width: 30em; }
.opener .sub { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.opener .sub a { display: inline-flex; align-items: center; height: 40px; padding: 0 18px; border: 1px solid var(--line-dark); border-radius: 999px; font-size: 16px; font-weight: 700; transition: background-color var(--dur-fast), border-color var(--dur-fast), color var(--dur-fast); }
.opener .sub a:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }
@media (max-width: 820px) { .opener .num { position: static; transform: none; z-index: auto; margin-bottom: 28px; font-size: clamp(120px, 40vw, 240px); text-align: left; } }

/* statement */
.statement { display: grid; gap: clamp(24px, 3vw, 40px); max-width: 64rem; }
.statement .lead { max-width: 34em; }
.statement .t-display { max-width: 14em; }

/* grids and items */
.cols-2, .cols-3, .cols-4 { display: grid; gap: clamp(28px, 4vw, 64px); }
.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
@media (max-width: 1100px) { .cols-3, .cols-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 700px) { .cols-2, .cols-3, .cols-4 { grid-template-columns: minmax(0, 1fr); } }
.item { display: grid; gap: 10px; align-content: start; padding-top: 22px; border-top: 1px solid var(--line); min-width: 0; }
.item .k { font-size: var(--fs-cap); font-weight: 700; color: var(--blue); direction: ltr; text-align: right; font-variant-numeric: tabular-nums; }
.item h3 { font-family: var(--display-font); font-size: var(--fs-sub); line-height: var(--lh-sub); font-weight: 500; }
.item p { color: var(--slate); }
.dark .item { border-color: var(--line-dark); }
.dark .item p { color: var(--mist); }
.dark .item .k { color: var(--sky); }

/* me split */
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); min-height: var(--slide); }
.split .media { position: relative; overflow: hidden; background: var(--surface); }
.split .media img { width: 100%; height: 100%; object-fit: cover; }
.split .copy { display: grid; align-content: center; gap: 22px; padding: calc(var(--bar) + 48px) var(--pad) 120px; }
.split .copy p { color: var(--slate); max-width: 34em; }
.split.dark .copy p { color: var(--mist); }
.stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; margin-top: 18px; padding-top: 24px; border-top: 1px solid var(--line); }
.stats b { display: block; font-family: var(--display-font); font-size: var(--fs-title); line-height: 1.1; font-weight: 500; color: var(--blue); }
.stats span { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
@media (max-width: 900px) { .split { grid-template-columns: minmax(0, 1fr); } .split .media { aspect-ratio: 1; } .split .copy { padding-top: 56px; } }

/* story */
.story-steps { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(28px, 4vw, 64px); margin-top: clamp(48px, 6vw, 88px); }
.story-steps .item p { color: var(--mist); }
@media (max-width: 900px) { .story-steps { grid-template-columns: minmax(0, 1fr); } }

/* message tiers */
.tier { display: grid; grid-template-columns: minmax(150px, 1fr) minmax(0, 3.2fr); gap: 12px 48px; padding-block: 32px; border-top: 1px solid var(--line); }
.tier:last-of-type { border-bottom: 1px solid var(--line); }
.tier .say { font-family: var(--font); font-size: var(--fs-sub); line-height: 1.4; font-weight: 400; text-wrap: pretty; max-width: 34em; }
.tier .say.big { font-family: var(--display-font); font-size: var(--fs-title); line-height: var(--lh-title); font-weight: 500; }
.tier .where { font-size: var(--fs-cap); color: var(--slate); margin-top: 12px; }
.rule-line { display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 20px; margin-top: clamp(48px, 6vw, 80px); padding-top: 24px; border-top: 1px solid var(--line); font-family: var(--display-font); font-size: var(--fs-sub); line-height: var(--lh-sub); font-weight: 500; }
.rule-line .eyebrow { font-family: var(--font); }
@media (max-width: 700px) { .tier { grid-template-columns: minmax(0, 1fr); } }
.need { display: grid; gap: 6px; margin-top: 18px; padding: 18px 20px; border-radius: 16px; background: var(--light); }
.need b { font-family: var(--display-font); font-size: 20px; line-height: 1.3; font-weight: 500; color: var(--night); }

/* do / don't rows */
.row { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr) minmax(0, 1fr); gap: 10px 48px; align-items: baseline; padding-block: 24px; border-top: 1px solid var(--line); }
.row.th { padding-block: 0 14px; border-top: 0; }
.row:last-child { border-bottom: 1px solid var(--line); }
.row .p { font-family: var(--display-font); font-size: var(--fs-sub); line-height: var(--lh-sub); font-weight: 500; }
.row .e { display: block; font-family: var(--font); font-size: var(--fs-body); color: var(--slate); font-weight: 400; margin-top: 4px; }
.row .y { font-size: var(--fs-sub); line-height: var(--lh-sub); }
.row .n { font-size: var(--fs-sub); line-height: var(--lh-sub); }
.tag { display: none; }
@media (max-width: 820px) { .row { grid-template-columns: minmax(0, 1fr); } .row.th { display: none; } .tag { display: inline-block; font-size: 15px; font-weight: 700; color: var(--slate); margin-inline-end: 10px; text-decoration: none; } }

.swap { display: grid; grid-template-columns: minmax(0, 1fr) 22px minmax(0, 1fr); gap: 16px; align-items: baseline; padding-block: 18px; border-top: 1px solid var(--line); font-size: var(--fs-sub); line-height: var(--lh-sub); }
.swap:last-child { border-bottom: 1px solid var(--line); }
.swap .ar { color: var(--blue); }
.rules dt { font-weight: 700; }
.rules div { display: grid; grid-template-columns: minmax(120px, .5fr) minmax(0, 1fr); gap: 8px 24px; padding-block: 16px; border-top: 1px solid var(--line); }
.rules div:last-child { border-bottom: 1px solid var(--line); }
.rules dd { margin: 0; color: var(--slate); }
@media (max-width: 600px) { .rules div { grid-template-columns: minmax(0, 1fr); } }

/* channel cards */
.chat { background: #E8EDF8; border-radius: 24px; padding: 22px; display: grid; gap: 12px; align-content: start; }
.chat .who { font-weight: 700; font-size: var(--fs-cap); color: var(--slate); }
.bubble { background: var(--white); border-radius: 16px 16px 4px 16px; padding: 14px 16px; max-width: 92%; box-shadow: 0 1px 0 rgba(8, 13, 23, .06); }
.bubble.me { justify-self: end; background: #DCE6FF; border-radius: 16px 16px 16px 4px; }
.note { font-size: var(--fs-cap); color: var(--slate); }
.card-surface { background: var(--white); border: 1px solid var(--line); border-radius: 24px; padding: 24px; display: grid; gap: 14px; align-content: start; }
.light .card-surface { background: var(--white); }
.white .card-surface { background: var(--light); }

/* logo */
.logo-slide { align-items: center; }
.logo-slide .brand-mark { width: clamp(180px, 28vw, 440px); height: auto; color: var(--night); }
.eq { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: clamp(16px, 3vw, 48px); margin-top: 24px; }
.eq figure { display: grid; justify-items: center; gap: 14px; text-align: center; }
.eq figure svg { width: clamp(80px, 11vw, 170px); height: auto; }
.eq figcaption b { display: block; font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; }
.eq figcaption span { font-size: var(--fs-cap); color: var(--mist); }
.eq .op { font-family: var(--display-font); font-size: clamp(32px, 4vw, 64px); font-weight: 300; color: var(--mist); }
.ghost { opacity: .18; }

.anatomy { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, 1fr); gap: clamp(24px, 4vw, 64px); align-items: center; }
.anatomy .side { display: grid; gap: clamp(28px, 4vw, 56px); }
.anatomy .side div { display: grid; gap: 4px; padding-top: 14px; border-top: 1px solid var(--line); }
.anatomy .side b { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; }
.anatomy .side span { font-size: var(--fs-cap); color: var(--slate); }
.anatomy .side i { font-style: normal; display: inline-grid; place-items: center; width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: var(--white); font-size: 15px; font-weight: 700; margin-inline-end: 8px; }
.anatomy svg { width: 100%; height: auto; }
@media (max-width: 900px) { .anatomy { grid-template-columns: minmax(0, 1fr); } .anatomy .mark-wrap { order: -1; } }

.build { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr); gap: clamp(32px, 6vw, 96px); align-items: center; }
.build ul { display: grid; gap: 14px; margin-top: 28px; }
.build li { display: flex; gap: 12px; align-items: baseline; color: var(--mist); }
.build li::before { content: ""; flex: none; width: 10px; height: 10px; border-radius: 50%; background: var(--blue); transform: translateY(-1px); }
.build svg { width: 100%; height: auto; }
@media (max-width: 900px) { .build { grid-template-columns: minmax(0, 1fr); } }

.prop { display: grid; gap: clamp(32px, 4vw, 56px); }
.prop svg { width: 100%; height: auto; max-height: 360px; }
.prop .vals { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.prop .vals div { padding-top: 14px; border-top: 1px solid var(--line); display: grid; gap: 4px; }
.prop .vals b { font-family: var(--display-font); font-size: var(--fs-title); font-weight: 400; color: var(--blue); direction: ltr; text-align: right; }
.prop .vals span { font-size: var(--fs-cap); color: var(--slate); }
@media (max-width: 800px) { .prop .vals { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.clear { display: grid; place-items: center; margin-top: 48px; }
.clear svg { width: min(760px, 100%); height: auto; }

.versions { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.ver { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--white); display: grid; grid-template-rows: auto auto; }
.ver .art { aspect-ratio: 16 / 10; display: grid; place-items: center; padding: 12%; }
.ver .art svg { width: 100%; height: auto; max-height: 100%; }
.ver.on-dark .art { background: var(--night); color: var(--light); }
.ver.on-white .art { background: var(--white); color: var(--blue); }
.ver.on-light .art { background: var(--light); color: var(--night); }
.ver .meta { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px 18px; border-top: 1px solid var(--line); font-size: var(--fs-cap); font-weight: 700; }
.dl { display: inline-flex; gap: 6px; }
.dl button, .dl a { height: 32px; padding: 0 12px; border-radius: 999px; border: 1px solid var(--line); background: transparent; font-size: 15px; font-weight: 700; cursor: pointer; display: inline-flex; align-items: center; transition: background-color var(--dur-fast), color var(--dur-fast), border-color var(--dur-fast); }
.dl button:hover, .dl a:hover { background: var(--blue); border-color: var(--blue); color: var(--white); }
.dark .dl button { border-color: var(--line-dark); }
@media (max-width: 1000px) { .versions { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 600px) { .versions { grid-template-columns: minmax(0, 1fr); } }
.dl-all { margin-top: 28px; }

.appicons { display: flex; flex-wrap: wrap; align-items: flex-end; gap: clamp(20px, 3vw, 44px); margin-top: 40px; }
.appicons figure { display: grid; justify-items: center; gap: 10px; }
.appicons .ic { display: grid; place-items: center; background: var(--night); border-radius: 22.5%; }
.appicons .ic svg { width: 62%; height: auto; }
.appicons figcaption { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; direction: ltr; }
.split .media.ico { display: grid; place-items: center; background: var(--blue); }
.split .media.ico .big { width: min(60%, 360px); aspect-ratio: 1; border-radius: 22.5%; background: var(--night); display: grid; place-items: center; box-shadow: 0 40px 80px rgba(8, 13, 23, .35); }
.split .media.ico .big svg { width: 62%; height: auto; }

.minsize { display: grid; margin-bottom: clamp(56px, 7vw, 104px); }
.minsize div { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 24px; padding-block: 22px; border-top: 1px solid var(--line); }
.minsize div:last-child { border-bottom: 1px solid var(--line); }
.minsize b { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; display: block; }
.minsize span { font-size: var(--fs-cap); color: var(--slate); }
.misuse { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.misuse figure { display: grid; gap: 10px; }
.misuse .art { aspect-ratio: 4 / 3; border-radius: 18px; background: var(--light); display: grid; place-items: center; position: relative; overflow: hidden; }
.misuse .art::after { content: ""; position: absolute; top: 10px; left: 10px; width: 22px; height: 22px; border-radius: 50%; background: #D93A3A url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E") center / 60% no-repeat; }
.misuse .art svg { width: 56%; height: auto; }
.misuse figcaption { font-size: var(--fs-cap); font-weight: 700; color: var(--slate); }
@media (max-width: 1000px) { .misuse { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* color */
.palette { display: grid; grid-template-columns: 6fr 3fr 1fr; min-height: var(--slide); }
.palette > div { position: relative; display: grid; align-content: end; gap: 6px; padding: calc(var(--bar) + 40px) clamp(16px, 2.6vw, 44px) clamp(88px, 9vw, 132px); }
.palette .pct { font-family: var(--display-font); font-size: clamp(40px, 6vw, 110px); line-height: 1; font-weight: 300; direction: ltr; text-align: right; }
.palette .nm { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; }
.palette .en { font-size: var(--fs-cap); font-weight: 700; opacity: .7; direction: ltr; text-align: right; }
.palette .c1 { background: var(--night); color: var(--light); }
.palette .c2 { background: var(--light); color: var(--night); }
.palette .c3 { background: var(--blue); color: var(--white); }
.palette .c3 .nm, .palette .c3 .en { writing-mode: vertical-rl; transform: rotate(180deg); justify-self: center; }
.palette .c3 .pct { font-size: clamp(28px, 3vw, 56px); text-align: center; }
@media (max-width: 700px) { .palette { grid-template-columns: minmax(0, 1fr); grid-template-rows: 6fr 3fr 1.6fr; } .palette .c3 .nm, .palette .c3 .en { writing-mode: horizontal-tb; transform: none; justify-self: start; } .palette .c3 .pct { text-align: right; } }

.swatches { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; }
.sw { border-radius: 24px; overflow: hidden; border: 1px solid var(--line); background: var(--white); display: grid; }
.sw .chip { height: clamp(140px, 14vw, 220px); }
.sw .body { padding: 22px; display: grid; gap: 10px; }
.sw h3 { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; display: flex; gap: 10px; align-items: baseline; }
.sw h3 small { font-family: var(--font); font-size: var(--fs-cap); color: var(--slate); font-weight: 700; direction: ltr; }
.sw p { color: var(--slate); font-size: 18px; }
.codes { display: grid; gap: 6px; margin-top: 6px; }
.copy { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 10px 14px; border-radius: 12px; border: 1px solid var(--line); background: transparent; cursor: pointer; text-align: start; font-size: 16px; transition: border-color var(--dur-fast), background-color var(--dur-fast); }
.copy span { color: var(--slate); font-weight: 700; font-size: 15px; }
.copy code { font-family: ui-monospace, Menlo, monospace; font-size: 15px; direction: ltr; }
.copy:hover { border-color: var(--blue); }
.copy.done { background: var(--blue); border-color: var(--blue); color: var(--white); }
.copy.done span { color: var(--white); }
@media (max-width: 900px) { .swatches { grid-template-columns: minmax(0, 1fr); } }
.support { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.support .sw .chip { height: 96px; }
.support .sw .body { padding: 16px; gap: 6px; }
.support .sw b { font-family: var(--display-font); font-weight: 500; font-size: 20px; }
.support .sw p { font-size: 16px; }
@media (max-width: 1000px) { .support { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.ratio-bar { display: flex; height: clamp(72px, 9vw, 120px); border-radius: 24px; overflow: hidden; margin-bottom: 40px; }
.ratio-bar div { display: flex; align-items: flex-end; padding: 14px 18px; font-weight: 700; font-size: var(--fs-cap); }
.contrast { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.ct { border-radius: 22px; padding: clamp(20px, 2.4vw, 32px); display: grid; gap: 14px; min-height: 200px; align-content: space-between; }
.ct .smp { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; }
.ct .r { font-family: var(--display-font); font-size: 40px; font-weight: 300; direction: ltr; text-align: right; line-height: 1; }
.ct .use { font-size: var(--fs-cap); font-weight: 700; opacity: .8; }
@media (max-width: 700px) { .contrast { grid-template-columns: minmax(0, 1fr); } }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 49px; padding: 11px 30px; border-radius: 50px; border: 1px solid var(--blue); background: var(--blue); color: var(--white); font-family: var(--font); font-size: var(--fs-ui); line-height: var(--lh-ui); font-weight: 700; box-shadow: 0 5px 30px rgba(41, 98, 236, .09); cursor: pointer; transition: background-color var(--dur-fast), box-shadow var(--dur-fast), transform var(--dur-fast); }
.btn:hover, .btn.is-hover { background: var(--blue-hover); box-shadow: 0 7px 35px rgba(41, 98, 236, .27); transform: translateY(-2px); }
.btn.is-focus { outline: 3px solid #ADC5FF; outline-offset: 6px; }
.btn.sec { background: transparent; color: var(--night); border-color: rgba(8, 13, 23, .25); box-shadow: none; }
.btn.sec:hover, .btn.sec.is-hover { border-color: var(--blue); color: var(--blue); transform: none; }
.dark .btn.sec { color: var(--light); border-color: rgba(245, 247, 255, .3); }
.dark .btn.sec:hover, .dark .btn.sec.is-hover { border-color: var(--sky); color: var(--sky); }
.lnk { display: inline-flex; gap: 8px; font-size: var(--fs-ui); line-height: var(--lh-ui); font-weight: 700; color: var(--blue); }
.lnk:hover, .lnk.is-hover { text-decoration: underline; text-underline-offset: 6px; }
.states { display: grid; gap: 20px; }
.state-row { display: grid; grid-template-columns: 180px repeat(3, minmax(0, 1fr)); gap: 20px; align-items: center; padding: 22px 0; border-top: 1px solid var(--line); }
.state-row > b { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; }
.state-row figure { display: grid; gap: 10px; justify-items: start; }
.state-row figcaption { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
.state-row.on-dark { background: var(--night); color: var(--light); border-radius: 24px; padding: 28px; border: 0; }
.state-row.on-dark figcaption { color: var(--mist); }
@media (max-width: 900px) { .state-row { grid-template-columns: minmax(0, 1fr); } }
.donts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-top: 24px; }
.donts figure { display: grid; gap: 10px; }
.donts .art { min-height: 120px; border-radius: 18px; display: grid; place-items: center; gap: 8px; padding: 18px; position: relative; }
.donts .art::after { content: ""; position: absolute; top: 10px; left: 10px; width: 22px; height: 22px; border-radius: 50%; background: #D93A3A url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round'%3E%3Cpath d='M7 7l10 10M17 7L7 17'/%3E%3C/svg%3E") center / 60% no-repeat; }
.donts figcaption { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
@media (max-width: 1000px) { .donts { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* typography */
.specimen { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); align-items: end; }
.specimen .big { font-family: var(--display-font); font-size: clamp(180px, 26vw, 460px); line-height: .8; font-weight: 500; color: var(--blue); }
.specimen .big.alm { font-family: var(--font); color: var(--night); font-weight: 400; }
.specimen .name { font-family: var(--display-font); font-size: var(--fs-display); line-height: 1; font-weight: 500; }
.specimen .w { display: grid; gap: 2px; font-family: var(--display-font); font-size: var(--fs-title); line-height: 1.1; color: var(--slate); }
.specimen .chars { font-size: var(--fs-sub); line-height: 1.5; color: var(--slate); margin-top: 18px; overflow-wrap: anywhere; }
@media (max-width: 900px) { .specimen { grid-template-columns: minmax(0, 1fr); } }
.fonts-pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; }
.fp { border-radius: 24px; padding: clamp(24px, 3vw, 44px); display: grid; gap: 16px; align-content: space-between; min-height: 360px; }
.fp .gl { font-size: clamp(110px, 14vw, 220px); line-height: .85; }
.fp .gl.t { font-family: var(--display-font); font-weight: 500; }
.fp .gl.a { font-family: var(--font); font-weight: 400; }
.fp h3 { font-family: var(--display-font); font-size: var(--fs-title); font-weight: 500; }
.fp p { color: inherit; opacity: .78; }
@media (max-width: 800px) { .fonts-pair { grid-template-columns: minmax(0, 1fr); } }
.weights { display: grid; }
.weights div { display: grid; grid-template-columns: minmax(160px, .5fr) minmax(0, 2fr); gap: 12px 40px; align-items: baseline; padding-block: clamp(20px, 2.4vw, 32px); border-top: 1px solid var(--line-dark); }
.weights div:last-child { border-bottom: 1px solid var(--line-dark); }
.weights b { display: block; font-size: var(--fs-sub); font-weight: 700; }
.weights small { font-size: var(--fs-cap); color: var(--mist); }
.weights p { font-size: clamp(32px, 4.6vw, 76px); line-height: 1.1; }
@media (max-width: 800px) { .weights div { grid-template-columns: minmax(0, 1fr); } }
.scale .row { grid-template-columns: minmax(120px, .6fr) minmax(0, 2.4fr) 110px 110px 120px; gap: 10px 24px; align-items: center; }
.scale .row span { font-size: var(--fs-cap); font-weight: 700; color: var(--slate); direction: ltr; text-align: right; }
.scale .row .p { font-family: var(--font); font-size: var(--fs-cap); }
@media (max-width: 1000px) { .scale .row { grid-template-columns: minmax(0, 1fr) auto auto; } .scale .row .smp { grid-column: 1 / -1; order: -1; } .scale .row.th { display: none; } }

/* visual language */
.shapes { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); }
.radii { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-end; }
.radii figure { display: grid; gap: 10px; justify-items: center; }
.radii .r { width: 120px; height: 84px; border: 2px solid var(--blue); background: rgba(41, 98, 236, .06); }
.radii figcaption { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
.spacing { display: grid; gap: 10px; }
.spacing div { display: flex; align-items: center; gap: 16px; font-size: var(--fs-cap); font-weight: 700; color: var(--slate); direction: ltr; justify-content: flex-end; }
.spacing i { display: block; height: 18px; background: var(--blue); border-radius: 3px; }

.patterns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px; background: var(--night); }
.pt { position: relative; aspect-ratio: 16 / 10; overflow: hidden; background: var(--night); color: var(--light); }
.pt svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.pt .lbl { position: absolute; bottom: 14px; right: 16px; font-size: var(--fs-cap); font-weight: 700; display: flex; gap: 10px; }
.pt .lbl span { color: var(--mist); direction: ltr; }
@media (max-width: 800px) { .patterns { grid-template-columns: minmax(0, 1fr); } }
.pt-files { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.pt-files > div { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 4px 16px; padding-block: 20px; border-top: 1px solid var(--line); align-items: start; }
.pt-files .k { font-size: var(--fs-cap); font-weight: 700; color: var(--blue); direction: ltr; padding-top: 4px; }
.pt-files b { font-family: var(--display-font); font-size: 22px; font-weight: 500; }
.pt-files p { font-size: 16px; color: var(--slate); grid-column: 2; }
.pt-files .dl { grid-column: 2; margin-top: 8px; }
@media (max-width: 1000px) { .pt-files { grid-template-columns: minmax(0, 1fr); } }
.uses { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 16px; margin-bottom: clamp(56px, 7vw, 104px); }
.use { display: grid; gap: 10px; }
.use .art { position: relative; border-radius: 18px; overflow: hidden; background: var(--night); color: var(--light); aspect-ratio: 16 / 9; display: grid; align-content: end; padding: clamp(16px, 2vw, 28px); }
.use .art.sq { aspect-ratio: 1; }
.use .art.lt { background: var(--light); color: var(--night); }
.use .art svg.bg { position: absolute; inset: 0; width: 100%; height: 100%; z-index: 0; }
.use .art > *:not(svg) { position: relative; z-index: 1; }
.use .art h4 { font-family: var(--display-font); font-size: clamp(20px, 2.2vw, 34px); line-height: 1.1; font-weight: 500; }
.use .art small { font-size: 15px; opacity: .75; font-weight: 700; }
.use figcaption { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
@media (max-width: 900px) { .uses { grid-template-columns: minmax(0, 1fr); } }

.icons { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0; border-top: 1px solid var(--line); border-inline-start: 1px solid var(--line); margin-bottom: clamp(48px, 6vw, 88px); }
.icons button { display: grid; justify-items: center; gap: 12px; padding: 26px 8px 18px; border: 0; border-bottom: 1px solid var(--line); border-inline-end: 1px solid var(--line); background: transparent; cursor: pointer; font-size: 15px; font-weight: 700; color: var(--slate); transition: background-color var(--dur-fast), color var(--dur-fast); }
.icons button svg { width: 36px; height: 36px; color: var(--night); fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; }
.icons button:hover { background: var(--white); color: var(--blue); }
.icons button:hover svg { color: var(--blue); }
@media (max-width: 900px) { .icons { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

.phones { display: flex; justify-content: center; align-items: flex-end; gap: clamp(12px, 3vw, 48px); padding-top: 24px; }
.phone { position: relative; width: clamp(130px, 17vw, 250px); aspect-ratio: 1350 / 2760; filter: drop-shadow(0 22px 30px rgba(0, 0, 0, .45)); }
.phone .scr { position: absolute; left: 5.4815%; top: 2.5725%; width: 88.963%; height: 94.8188%; overflow: hidden; border-radius: 16.486% / 7.566%; background: var(--surface); }
.phone .scr img { width: 100%; height: 100%; object-fit: cover; }
.phone > img { position: absolute; inset: 0; width: 100%; height: 100%; }
.phone.tl { transform: rotate(-6deg) translateY(16px); }
.phone.tr { transform: rotate(6deg) translateY(16px); }
.phone-stage { position: relative; isolation: isolate; padding: 24px 0 8px; }
.phone-stage .orbit { inset: 10% 18% 0; transform: rotate(-24deg); }

.portrait-lib { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.portrait-lib figure { display: grid; gap: 10px; }
.portrait-lib .ph { aspect-ratio: 4 / 5; border-radius: 18px; overflow: hidden; background: var(--surface); position: relative; }
.portrait-lib .ph img { width: 100%; height: 100%; object-fit: cover; }
.portrait-lib .ph.ph-empty { display: grid; place-items: center; background: repeating-linear-gradient(135deg, var(--light) 0 12px, #E9EDF8 12px 24px); color: var(--slate); font-size: var(--fs-cap); font-weight: 700; text-align: center; padding: 16px; }
.portrait-lib b { font-family: var(--display-font); font-size: 20px; font-weight: 500; }
.portrait-lib span { font-size: 15px; color: var(--slate); }
@media (max-width: 900px) { .portrait-lib { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips span { display: inline-flex; align-items: center; height: 38px; padding: 0 16px; border-radius: 999px; border: 1px solid var(--line); font-size: 16px; font-weight: 700; }
.chips.no span { color: var(--slate); text-decoration: line-through 1.5px rgba(217, 58, 58, .7); }
.chips.yes span { border-color: rgba(41, 98, 236, .35); color: var(--blue); }

.motion-vals { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; margin-bottom: 48px; }
.motion-vals div { display: grid; gap: 4px; padding-block: 20px; border-top: 1px solid var(--line); }
.motion-vals small { font-size: var(--fs-cap); color: var(--slate); font-weight: 700; }
.motion-vals b { font-family: var(--display-font); font-size: var(--fs-title); font-weight: 300; color: var(--blue); direction: ltr; text-align: right; line-height: 1.1; }
.motion-vals b.code { font-family: ui-monospace, Menlo, monospace; font-size: 20px; font-weight: 400; padding-block: 12px; }
.motion-vals span { font-size: 16px; color: var(--slate); }
@media (max-width: 900px) { .motion-vals { grid-template-columns: minmax(0, 1fr); } }
.curve { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; align-items: center; margin-bottom: 56px; }
.curve svg { width: 100%; max-width: 420px; height: auto; }
.track { position: relative; height: 56px; border-radius: 999px; background: var(--white); border: 1px solid var(--line); }
.track i { position: absolute; top: 8px; right: 8px; width: 40px; height: 40px; border-radius: 50%; background: var(--blue); }
.track.go i { animation: slide 1.2s var(--ease-flow) forwards; }
@keyframes slide { to { right: calc(100% - 48px); } }
@media (max-width: 800px) { .curve { grid-template-columns: minmax(0, 1fr); } }

.lm-slide { align-items: center; text-align: center; gap: 28px; }
.lm-stage { width: clamp(180px, 28vw, 440px); }
.lm-stage svg { width: 100%; height: auto; color: var(--light); }
.lm-stage .mk { color: var(--blue); }
.lm-stage.play .s1 { animation: stroke-in .7s var(--ease-flow) both; }
.lm-stage.play .s2 { animation: stroke-in .7s var(--ease-flow) .15s both; }
.lm-stage.play .bub { animation: pop .6s var(--ease-flow) .8s both; transform-box: fill-box; transform-origin: 50% 70%; }
@keyframes stroke-in { from { transform: translate(-30px, 30px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pop { from { transform: scale(0); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade-in { from { opacity: 0; transform: translateX(14px); } to { opacity: 1; transform: none; } }
.replay { display: inline-flex; gap: 8px; align-items: center; height: 40px; padding: 0 18px; border-radius: 999px; border: 1px solid var(--line-dark); background: transparent; cursor: pointer; font-size: 16px; font-weight: 700; }
.replay:hover { background: var(--blue); border-color: var(--blue); }
.lm-rules { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; max-width: 980px; text-align: start; }
.lm-rules p { font-size: 17px; color: var(--mist); padding-top: 14px; border-top: 1px solid var(--line-dark); }
.lm-rules b { color: var(--light); }
@media (max-width: 800px) { .lm-rules { grid-template-columns: minmax(0, 1fr); } }
.plane-box { width: clamp(220px, 30vw, 420px); aspect-ratio: 1; margin-inline: auto; }

/* applications: CSS mockups on a surface */
.scene { min-height: var(--slide); display: grid; place-items: center; padding: calc(var(--bar) + 40px) var(--pad) 120px; overflow: hidden; }
.scene.desk { background: radial-gradient(ellipse at 30% 20%, #ffffff 0%, #E7EBF5 70%); }
.scene.night { background: radial-gradient(ellipse at 50% 30%, #18233c 0%, var(--night) 70%); }
.bcards { position: relative; width: min(900px, 100%); aspect-ratio: 16 / 9; }
.bcard { position: absolute; width: 56%; aspect-ratio: 85 / 55; border-radius: 10px; box-shadow: 0 30px 60px rgba(8, 13, 23, .22), 0 2px 6px rgba(8, 13, 23, .12); padding: 5%; display: grid; }
.bcard.front { background: var(--night); color: var(--light); top: 6%; right: 4%; transform: rotate(-6deg); place-items: center; }
.bcard.front svg { width: 34%; }
.bcard.back { background: var(--white); color: var(--night); bottom: 6%; left: 4%; transform: rotate(5deg); align-content: space-between; }
.bcard.back .nm { font-family: var(--display-font); font-size: clamp(16px, 2.4vw, 30px); font-weight: 500; }
.bcard.back .rl { font-size: clamp(11px, 1.3vw, 16px); color: var(--slate); }
.bcard.back .ct2 { font-size: clamp(10px, 1.2vw, 14px); display: flex; justify-content: space-between; align-items: end; direction: ltr; }
.bcard.back .ct2 svg { width: 14%; color: var(--blue); }

.a4s { display: flex; gap: clamp(16px, 3vw, 40px); align-items: flex-start; }
.a4 { width: clamp(220px, 30vw, 440px); aspect-ratio: 210 / 297; background: var(--white); box-shadow: 0 30px 60px rgba(8, 13, 23, .18); padding: 7% 8%; display: grid; grid-template-rows: auto 1fr auto; gap: 6%; font-size: clamp(7px, .82vw, 12px); line-height: 1.55; color: var(--night); }
.a4 + .a4 { margin-top: 8%; }
.a4 .hd { display: flex; justify-content: space-between; align-items: center; }
.a4 .hd svg { width: 18%; }
.a4 .hd span { color: var(--slate); }
.a4 h5 { font-family: var(--display-font); font-size: 1.9em; line-height: 1.15; font-weight: 500; margin: 0 0 .6em; }
.a4 p { margin-bottom: .8em; }
.a4 .ft { display: flex; justify-content: space-between; border-top: 1px solid var(--line); padding-top: 4%; color: var(--slate); }
.a4 .steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 4%; margin-top: 1em; }
.a4 .steps div { border-top: 2px solid var(--blue); padding-top: .6em; }
.a4 .steps b { display: block; font-family: var(--display-font); font-size: 1.15em; font-weight: 500; }
.a4.inner { background: var(--white); }

.ig { width: min(380px, 80vw); background: var(--white); border-radius: 36px; box-shadow: 0 30px 70px rgba(8, 13, 23, .25); overflow: hidden; border: 10px solid #11161F; }
.ig .bar2 { display: flex; justify-content: space-between; padding: 12px 18px; font-size: 15px; font-weight: 700; direction: ltr; }
.ig .who2 { display: flex; align-items: center; gap: 10px; padding: 8px 14px; font-size: 15px; font-weight: 700; }
.ig .who2 img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; }
.ig .post { aspect-ratio: 4 / 5; background: var(--night); color: var(--light); padding: 10%; display: grid; align-content: space-between; position: relative; overflow: hidden; }
.ig .post h4 { font-family: var(--display-font); font-size: clamp(22px, 2.6vw, 30px); line-height: 1.15; font-weight: 500; position: relative; }
.ig .post .psig { display: flex; justify-content: space-between; align-items: center; font-size: 15px; color: var(--mist); position: relative; }
.ig .post .psig svg { width: 36px; color: var(--blue); }
.ig .cap { padding: 12px 16px 18px; font-size: 15px; line-height: 1.45; }

.stage-wall { width: min(1100px, 100%); }
.screen169 { aspect-ratio: 16 / 9; background: var(--night); border-radius: 6px; box-shadow: 0 0 0 8px #0d1220, 0 0 140px rgba(41, 98, 236, .25); display: grid; align-content: center; gap: 18px; padding: 7%; color: var(--light); position: relative; overflow: hidden; }
.screen169 .orbit { width: 60%; height: 120%; left: -12%; top: -10%; transform: rotate(34deg); }
.screen169 h4 { font-family: var(--display-font); font-size: clamp(26px, 4.4vw, 68px); line-height: 1.05; font-weight: 500; max-width: 12em; position: relative; }
.screen169 p { color: var(--mist); font-size: clamp(13px, 1.4vw, 22px); position: relative; }
.screen169 .tag2 { position: absolute; top: 7%; right: 7%; display: flex; align-items: center; gap: 10px; font-family: var(--display-font); font-weight: 500; font-size: clamp(12px, 1.3vw, 20px); }
.screen169 .tag2 svg { width: 2.2em; }
.floor { height: 60px; margin-top: 30px; background: radial-gradient(ellipse at 50% 0%, rgba(41, 98, 236, .2), transparent 70%); }

.tote { position: relative; width: min(440px, 80vw); aspect-ratio: .86; background: #E9E4D8; border-radius: 4px 4px 14px 14px; box-shadow: 0 30px 60px rgba(0, 0, 0, .35); display: grid; place-content: center; gap: 22px; text-align: center; color: var(--night); margin-top: 120px; }
.tote::before { content: ""; position: absolute; top: -120px; left: 50%; width: 44%; height: 150px; transform: translateX(-50%); border: 14px solid #DCD6C8; border-bottom: 0; border-radius: 120px 120px 0 0; }
.tote h4 { font-family: var(--display-font); font-size: clamp(30px, 4vw, 52px); font-weight: 500; }
.tote svg { width: 70px; margin-inline: auto; color: var(--night); }

.app-store { width: min(380px, 80vw); background: var(--white); border-radius: 36px; border: 10px solid #11161F; box-shadow: 0 30px 70px rgba(8, 13, 23, .25); padding: 22px 18px; display: grid; gap: 18px; }
.app-store .top2 { display: flex; gap: 14px; align-items: center; }
.app-store .ic2 { width: 84px; height: 84px; border-radius: 22.5%; background: var(--night); display: grid; place-items: center; flex: none; }
.app-store .ic2 svg { width: 62%; }
.app-store b { font-family: var(--display-font); font-size: 22px; font-weight: 500; display: block; }
.app-store small { color: var(--slate); font-size: 15px; }
.app-store .get { display: inline-flex; margin-top: 8px; height: 30px; padding: 0 18px; border-radius: 999px; background: var(--blue); color: var(--white); font-weight: 700; font-size: 15px; align-items: center; }
.app-store .shots { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.app-store .shots div { aspect-ratio: 9 / 19.5; border-radius: 12px; overflow: hidden; background: var(--surface); }
.app-store .shots img { width: 100%; height: 100%; object-fit: cover; }

.cap-scene { position: absolute; bottom: clamp(22px, 2.6vw, 40px); inset-inline: var(--pad); }

/* templates */
.tpl { display: grid; gap: clamp(64px, 8vw, 120px); }
.tpl-row { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: clamp(28px, 4vw, 64px); align-items: start; }
.tpl-row .lead { margin-top: 10px; }
.sig { background: var(--white); border: 1px solid var(--line); border-radius: 22px; padding: 26px; display: flex; gap: 18px; align-items: center; }
.sig .ic3 { width: 64px; height: 64px; border-radius: 18px; background: var(--night); display: grid; place-items: center; flex: none; }
.sig .ic3 svg { width: 62%; }
.sig b { font-family: var(--display-font); font-size: 22px; font-weight: 500; display: block; }
.sig span { display: block; color: var(--slate); font-size: 16px; }
.sig a { color: var(--blue); font-weight: 700; font-size: 16px; }
.posts { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.posts figure { display: grid; gap: 10px; }
.posts .art { aspect-ratio: 4 / 5; border-radius: 18px; overflow: hidden; background: var(--night); color: var(--light); padding: 9%; display: grid; align-content: space-between; position: relative; }
.posts .art.lt { background: var(--white); color: var(--night); border: 1px solid var(--line); }
.posts .art h4 { font-family: var(--display-font); font-size: clamp(18px, 1.8vw, 26px); line-height: 1.15; font-weight: 500; position: relative; }
.posts .art small { font-size: 15px; color: var(--mist); font-weight: 700; position: relative; }
.posts .art.lt small { color: var(--slate); }
.posts .art .ph2 { flex: 1; border-radius: 12px; background: var(--surface); display: grid; place-items: center; font-size: 15px; color: var(--mist); }
.posts figcaption { font-size: 15px; color: var(--slate); }
@media (max-width: 900px) { .tpl-row, .posts { grid-template-columns: minmax(0, 1fr); } }
.cover-li { aspect-ratio: 4 / 1; border-radius: 18px; overflow: hidden; background: var(--night); color: var(--light); display: grid; align-content: center; padding: 0 6%; position: relative; }
.cover-li h4 { font-family: var(--display-font); font-size: clamp(16px, 2vw, 30px); font-weight: 500; line-height: 1.2; position: relative; max-width: 60%; }

/* downloads */
.dl-group + .dl-group { margin-top: clamp(56px, 6vw, 88px); }
.dl-group > h3 { font-family: var(--display-font); font-size: var(--fs-sub); font-weight: 500; margin-bottom: 18px; }
.code-box { position: relative; background: var(--night); color: var(--light); border-radius: 22px; padding: 28px; overflow: auto; direction: ltr; text-align: left; }
.code-box pre { margin: 0; font-family: ui-monospace, Menlo, monospace; font-size: 15px; line-height: 1.65; }
.code-box .cm { color: var(--mist); }
.code-box button { position: absolute; top: 16px; right: 16px; height: 34px; padding: 0 14px; border-radius: 999px; border: 1px solid var(--line-dark); background: var(--surface); color: var(--light); cursor: pointer; font-size: 15px; font-weight: 700; }
.code-box button:hover { background: var(--blue); }

/* closing */
.closing { min-height: var(--slide); display: grid; place-content: center; gap: 40px; text-align: center; padding: var(--bar) var(--pad) 120px; overflow: hidden; }
.closing .t-display { font-size: clamp(36px, 20px + 4vw, 88px); line-height: 1.1; }
.closing .orbit { width: 80vw; height: 40vw; left: 10vw; top: 20%; transform: rotate(-12deg); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%, calc(100% + 40px)); visibility: hidden; background: var(--blue); color: var(--white); padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 16px; z-index: 70; transition: transform var(--dur-base) var(--ease-flow); }
.toast.show { transform: translate(-50%, 0); visibility: visible; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .rv { opacity: 1; transform: none; transition: none; }
  .lm-stage.play * { animation: none !important; }
  .track.go i { animation-duration: .01s; }
}
@media print {
  .bar, .index, .toast { display: none !important; }
  .s { break-after: page; }
}
@media (max-width: 700px) {
  .a4s { flex-direction: column; align-items: center; }
  .a4 { width: min(330px, 88vw); font-size: 8.5px; }
  .a4 + .a4 { margin-top: 0; }
}