/* CrossMelv site. "Registration": print-production marks, hairlines, black on paper.
   Radius scale: 0 everywhere. The only curves are the device body and the regmark. */

@font-face { font-family: "Lexend Deca"; src: url("../fonts/LexendDeca.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Bitter"; src: url("../fonts/Bitter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }
@font-face { font-family: "Bitter"; src: url("../fonts/Bitter-Italic.woff2") format("woff2"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Inter"; src: url("../fonts/Inter.woff2") format("woff2"); font-weight: 100 900; font-display: swap; }

:root {
  --paper: #e9e9e5;
  --paper-hi: #f3f3f0;
  --ink: #121212;
  --ink-2: #45453f;
  --ink-3: #6a6a64;
  --hair: rgba(18, 18, 18, .2);
  --eink: #efefeb;
  --sans: "Inter", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --disp: "Lexend Deca", var(--sans);
  --serif: "Bitter", Georgia, serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --gut: clamp(20px, 4vw, 56px);
  --max: 1240px;
  --nav: 56px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: calc(var(--nav) + 16px); }
@media (prefers-reduced-motion: no-preference) { html { scroll-behavior: smooth; } }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 16px/1.6 var(--sans); font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  overflow-x: clip;
}
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; }
a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: .2em; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.band--ink :focus-visible { outline-color: var(--paper); }
::selection { background: var(--ink); color: var(--paper); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; background: var(--ink); color: var(--paper); padding: 10px 14px; z-index: 30; }
.skip:focus { top: 10px; }

/* ---------- type ---------- */
h1, h2, h3 { font-family: var(--disp); font-weight: 400; letter-spacing: -.03em; margin: 0; text-wrap: balance; }
h1 { font-size: clamp(2.5rem, 5.4vw, 4.75rem); line-height: 1.02; font-weight: 300; }
h2 { font-size: clamp(2rem, 3.6vw, 3.1rem); line-height: 1.06; font-weight: 300; }
h3 { font-size: 1.3rem; line-height: 1.25; letter-spacing: -.015em; }
p { margin: 0; text-wrap: pretty; }
.lede { font-size: clamp(1.05rem, 1.35vw, 1.2rem); line-height: 1.55; color: var(--ink-2); max-width: 46ch; }
.body { color: var(--ink-2); max-width: 60ch; }
.body + .body { margin-top: .9em; }
.cap { font: 500 11.5px/1.3 var(--sans); letter-spacing: .16em; text-transform: uppercase; }
.it { font-family: var(--serif); font-style: italic; }
.num { font-family: var(--disp); font-variant-numeric: tabular-nums; }
code, .mono { font-family: var(--mono); font-size: .9em; }
kbd { font: 600 .82em var(--sans); letter-spacing: .04em; border: 1px solid currentColor; padding: 0 .35em; white-space: nowrap; }
.path { font-weight: 600; color: var(--ink); white-space: normal; }

/* ---------- regmark + icons ---------- */
.rm { width: 18px; height: 18px; flex: none; }
.ico { width: 16px; height: 16px; flex: none; stroke: currentColor; fill: none; stroke-width: 1.5; stroke-linecap: square; }

/* ---------- crop marks: one pseudo-element, eight gradients ---------- */
.crop { position: relative; }
.crop::after {
  --a: 14px; --t: 1.5px; --o: -12px; --c: var(--ink);
  content: ""; position: absolute; inset: var(--o); pointer-events: none;
  background:
    linear-gradient(var(--c) 0 0) left top / var(--a) var(--t),
    linear-gradient(var(--c) 0 0) left top / var(--t) var(--a),
    linear-gradient(var(--c) 0 0) right top / var(--a) var(--t),
    linear-gradient(var(--c) 0 0) right top / var(--t) var(--a),
    linear-gradient(var(--c) 0 0) left bottom / var(--a) var(--t),
    linear-gradient(var(--c) 0 0) left bottom / var(--t) var(--a),
    linear-gradient(var(--c) 0 0) right bottom / var(--a) var(--t),
    linear-gradient(var(--c) 0 0) right bottom / var(--t) var(--a);
  background-repeat: no-repeat;
}
.band--ink .crop::after { --c: var(--paper); }

/* ---------- layout ---------- */
.wrap { width: 100%; max-width: calc(var(--max) + 2 * var(--gut)); margin: 0 auto; padding: 0 var(--gut); }
section { position: relative; }
.sec { padding: clamp(56px, 7.5vw, 108px) 0; border-top: 1px solid var(--hair); }
.sec-head { display: grid; gap: 18px; max-width: 760px; margin-bottom: clamp(40px, 5vw, 64px); }

/* ---------- top bar (slug line) ---------- */
.top { position: sticky; top: 0; z-index: 20; height: var(--nav); background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--hair); }
.top .wrap { height: 100%; display: flex; align-items: center; gap: 28px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font: 600 12.5px/1 var(--sans); letter-spacing: .22em; }
.nav { display: flex; gap: 26px; margin-left: auto; }
.nav a { text-decoration: none; font-size: 14px; color: var(--ink-2); padding: 12px 0; }
.nav a:hover, .nav a[aria-current] { color: var(--ink); text-decoration: underline; }
.top-rel { font: 500 11px/1 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); white-space: nowrap; }
@media (max-width: 760px) {
  .top .wrap { gap: 16px; }
  .nav { gap: 18px; }
  .nav .n-opt, .top-rel { display: none; }
}

/* ---------- buttons: thin, square, one line ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 10px; height: 46px; padding: 0 20px; border: 1px solid var(--ink); background: transparent; color: var(--ink); font: 500 14px/1 var(--sans); letter-spacing: .01em; text-decoration: none; white-space: nowrap; cursor: pointer; transition: background .2s, color .2s, transform .15s var(--ease); }
.btn:hover { text-decoration: none; background: var(--ink); color: var(--paper); }
.btn:active { transform: translateY(1px); }
.btn--solid { background: var(--ink); color: var(--paper); }
.btn--solid:hover { background: transparent; color: var(--ink); }
.band--ink .btn { border-color: var(--paper); color: var(--paper); }
.band--ink .btn--solid { background: var(--paper); color: var(--ink); }
.band--ink .btn--solid:hover { background: transparent; color: var(--paper); }
.band--ink .btn:not(.btn--solid):hover { background: var(--paper); color: var(--ink); }
.link { display: inline-flex; align-items: center; gap: 8px; font-weight: 500; text-decoration: none; border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.link:hover { border-bottom-width: 2px; padding-bottom: 1px; }

/* ---------- device: Xteink X4 Pro, 69 x 111 mm, 4.3 in 480 x 800 ---------- */
.dev { --w: 280px; position: relative; width: var(--w); aspect-ratio: 69 / 111; flex: none; margin: 0; }
.dev-body {
  position: absolute; inset: 0; border-radius: 8.5% / 5.3%;
  background: linear-gradient(160deg, #262626 0%, #151515 38%, #0f0f0f 100%);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.07), inset 0 1.5px 0 rgba(255,255,255,.14), inset 0 -2px 3px rgba(0,0,0,.5),
              0 1px 1px rgba(18,18,18,.3), 0 14px 26px -18px rgba(18,18,18,.5);
}
.dev::before, .dev::after { content: ""; position: absolute; right: -1.6%; width: 2.2%; background: linear-gradient(90deg, #0b0b0b, #2a2a2a); border-radius: 0 3px 3px 0; }
.dev::before { top: 25%; height: 8.5%; }
.dev::after { top: 35.5%; height: 8.5%; }
.dev-screen { position: absolute; left: 9.6%; right: 9.6%; top: 6.4%; height: 83.5%; background: var(--eink); overflow: hidden; box-shadow: inset 0 0 0 1px rgba(0,0,0,.55), inset 0 2px 4px rgba(0,0,0,.28); }
.dev-screen img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: contrast(.94) brightness(1.01); }
.dev-screen::after { content: ""; position: absolute; inset: 0; pointer-events: none; background: linear-gradient(170deg, rgba(255,255,255,.10), transparent 40%); }
.dev-home { position: absolute; left: 50%; bottom: 4.6%; width: 13%; height: 1px; transform: translateX(-50%); background: rgba(255,255,255,.22); }
.dev-home::before { content: ""; position: absolute; left: 50%; top: -5px; width: 1px; height: 11px; background: rgba(255,255,255,.22); }
.dev--sm { --w: 200px; }
figcaption { margin-top: 22px; }
.fig-cap { display: grid; gap: 4px; }
.fig-cap .cap { color: var(--ink); }
.fig-cap span:not(.cap) { font-size: 14px; color: var(--ink-2); line-height: 1.45; }

/* e-ink full refresh: the screen flashes black then white before the new frame lands */
.flash { position: absolute; inset: 0; z-index: 2; pointer-events: none; opacity: 0; background: #151515; }
.flash.go { animation: eink .62s steps(1, end) forwards; }
@keyframes eink {
  0% { opacity: 1; background: #151515; }
  30% { opacity: 1; background: var(--eink); }
  45% { opacity: 1; background: #151515; }
  62% { opacity: 1; background: var(--eink); }
  100% { opacity: 0; }
}

/* ---------- hero ---------- */
.hero { padding: clamp(36px, 6vh, 72px) 0 clamp(48px, 7vh, 80px); }
.hero .wrap { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); align-items: center; gap: clamp(32px, 5vw, 80px); }
.hero-copy { display: grid; gap: 26px; align-content: center; }
.hero-copy .cap { color: var(--ink-2); display: flex; align-items: center; gap: 12px; }
.hero-copy .cap::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.ctas { display: flex; flex-wrap: wrap; align-items: center; gap: 14px 26px; margin-top: 6px; }
.hero-stage { position: relative; display: grid; justify-items: center; padding: 34px 40px 0; }
.hero-stage { --hw: min(300px, calc((100dvh - var(--nav) - 210px) * 69 / 111)); }
.hero-stage .dev { --w: var(--hw); }
.dim { position: absolute; color: var(--ink-3); font: 500 11px/1 var(--sans); letter-spacing: .08em; }
.dim { z-index: 1; }
.dim-h { left: 0; right: 0; top: -30px; display: flex; align-items: center; gap: 8px; }
.dim-v { top: 0; bottom: 0; right: -36px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
.dim-h::before, .dim-h::after { content: ""; flex: 1; height: 7px; border-left: 1px solid currentColor; background: linear-gradient(currentColor 0 0) center / 100% 1px no-repeat; }
.dim-h::after { border-left: 0; border-right: 1px solid currentColor; }
.dim-v::before, .dim-v::after { content: ""; flex: 1; width: 7px; border-top: 1px solid currentColor; background: linear-gradient(currentColor 0 0) center / 1px 100% no-repeat; }
.dim-v::after { border-top: 0; border-bottom: 1px solid currentColor; }
.dim-v span { writing-mode: vertical-rl; transform: rotate(180deg); }
.ruler { margin-top: 24px; width: var(--hw); display: grid; gap: 10px; }
.ruler-track { position: relative; height: 18px; display: flex; }
.ruler-track::before { content: ""; position: absolute; left: 0; right: 0; top: 8px; height: 2px; background: var(--hair); }
.ruler-fill { position: absolute; left: 0; top: 7px; height: 4px; background: var(--ink); width: 0; transition: left .5s var(--ease); }
.ruler-track::after { content: ""; position: absolute; right: 0; top: 3px; width: 1px; height: 12px; background: var(--ink); }
.ruler-track button { position: relative; flex: 1; height: 18px; border: 0; background: none; padding: 0; cursor: pointer; }
.ruler-track button::before { content: ""; position: absolute; left: 0; top: 3px; width: 1px; height: 12px; background: var(--ink); }
.ruler-track button:hover::after { content: ""; position: absolute; left: 0; right: 0; top: 7px; height: 4px; background: var(--hair); }
.ruler-now { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.ruler-now span:last-child { font-size: 12.5px; text-align: right; }
.ruler-now .cap { color: var(--ink); }
.ruler-now span:last-child { color: var(--ink-3); }

.hero-shot img { transition: opacity 0s; }

/* ---------- release slug strip ---------- */
.slug { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--hair); }
.slug .wrap { display: flex; flex-wrap: wrap; gap: 10px 40px; padding-top: 14px; padding-bottom: 14px; font: 500 11px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.slug b { color: var(--ink); font-weight: 600; }
.slug .mono { letter-spacing: .02em; text-transform: none; font-size: 12px; }

/* ---------- clean refresh comparison ---------- */
.cmp { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.cmp-figs { display: flex; justify-content: center; gap: clamp(28px, 4vw, 64px); }
.cmp-figs .dev { --w: clamp(170px, 19vw, 250px); }
.ghost { position: absolute; inset: 0; opacity: .3; mix-blend-mode: multiply; transform: translate(1px, 1px); }
.note { display: flex; gap: 12px; margin-top: 28px; padding-left: 14px; border-left: 2px solid var(--ink); font-size: 14.5px; color: var(--ink-2); max-width: 52ch; }

/* ---------- contact strip (UI) ---------- */
.strip { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(20px, 3vw, 44px); }
.strip figure { margin: 0; display: grid; justify-items: start; }
.strip .dev { --w: 100%; max-width: 270px; }
.strip .crop::after { --o: -14px; }

/* ---------- habits bento ---------- */
.bento { display: grid; grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 1px; background: var(--hair); border: 1px solid var(--hair); }
.tile { background: var(--paper); padding: clamp(24px, 3vw, 40px); display: grid; gap: 16px; align-content: start; min-width: 0; }
.tile p { color: var(--ink-2); font-size: 15px; max-width: 46ch; }
.t-desk { grid-column: span 5; grid-row: span 2; justify-items: center; background: var(--paper-hi); }
.t-desk .tcopy { justify-self: stretch; }
.t-peek { grid-column: span 7; grid-template-columns: auto minmax(0, 1fr); gap: clamp(20px, 3vw, 40px); align-items: end; }
.t-goal { grid-column: span 3; }
.t-hotd { grid-column: span 4; }
.t-desk .dev { --w: min(100%, 300px); }
.t-peek .dev { --w: clamp(150px, 15vw, 200px); }
.streak { display: grid; grid-template-columns: repeat(7, 16px); gap: 6px; margin: 6px 0 4px; }
.streak i { width: 16px; height: 16px; border: 1px solid var(--ink); }
.streak i.m { background: var(--ink); }
.streak i.r { background: repeating-conic-gradient(var(--ink) 0 25%, transparent 0 50%) 0 0 / 4px 4px; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 12.5px; color: var(--ink-2); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 10px; height: 10px; border: 1px solid var(--ink); }
.legend .m { background: var(--ink); }
.legend .r { background: repeating-conic-gradient(var(--ink) 0 25%, transparent 0 50%) 0 0 / 4px 4px; }
.loupe { border: 1px solid var(--ink); background: var(--eink); overflow: hidden; }
.loupe img { width: 100%; image-rendering: auto; }

/* ---------- learning ---------- */
.learn { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1px; background: var(--hair); border-block: 1px solid var(--hair); }
.learn > div { background: var(--paper); padding: clamp(28px, 4vw, 56px) clamp(0px, 3vw, 48px); display: grid; gap: 20px; align-content: start; }
.learn > div:first-child { padding-left: 0; }
.learn > div:last-child { padding-right: 0; }
.pair { display: flex; gap: clamp(16px, 2.4vw, 32px); margin-top: 12px; }
.pair .dev { --w: clamp(140px, 15vw, 210px); }
.pair .dev:nth-child(2) { margin-top: 40px; }
.facts { list-style: none; padding: 0; margin: 4px 0 0; display: grid; gap: 10px; }
.facts li { display: grid; grid-template-columns: 18px minmax(0, 1fr); gap: 10px; font-size: 15px; color: var(--ink-2); line-height: 1.5; }
.facts li::before { content: ""; width: 9px; height: 9px; margin-top: 7px; background: linear-gradient(var(--ink) 0 0) center / 100% 1.5px no-repeat, linear-gradient(var(--ink) 0 0) center / 1.5px 100% no-repeat; }
.flow { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13px; color: var(--ink-2); }
.flow span { border: 1px solid var(--ink); padding: 6px 10px; color: var(--ink); font-weight: 500; }
.flow i { width: 22px; height: 1px; background: var(--ink); position: relative; }
.flow i::after { content: ""; position: absolute; right: 0; top: -3px; border: 3.5px solid transparent; border-left: 5px solid var(--ink); border-right: 0; }

/* ---------- web companion proofs ---------- */
.proofs { display: grid; grid-template-columns: 1.1fr 1fr 1fr; gap: clamp(24px, 3.4vw, 52px); align-items: start; }
.proof { margin: 0; display: grid; gap: 22px; }
.proof .sheet { background: var(--paper-hi); border: 1px solid var(--hair); box-shadow: 0 18px 40px -28px rgba(18,18,18,.35); overflow: hidden; }
.proof .sheet img { width: 100%; }
.proof .sheet { height: clamp(380px, 38vw, 540px); position: relative; }
.proof .sheet::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 80px; background: linear-gradient(transparent, var(--paper-hi)); }


/* ---------- bluetooth ---------- */
.ble { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.ble-figs { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: clamp(24px, 3vw, 48px); align-items: center; }
.ble-figs .dev { --w: clamp(170px, 18vw, 240px); }
.pad { width: 100%; max-width: 330px; color: var(--ink); }
.pad text { font: 500 10.5px var(--sans); letter-spacing: .12em; fill: currentColor; }
.pad .t-b { font: 600 13px var(--disp); letter-spacing: 0; }
.keymap { margin: 8px 0 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); border-top: 1px solid var(--ink); }
.keymap dt, .keymap dd { margin: 0; padding: 11px 0; border-bottom: 1px solid var(--hair); font-size: 14.5px; }
.keymap dt { font-weight: 600; padding-right: 28px; }
.keymap dd { color: var(--ink-2); }
.honest { margin-top: 26px; font-size: 14.5px; color: var(--ink-2); padding: 16px 18px; border: 1px solid var(--ink); max-width: 56ch; }
.honest b { color: var(--ink); }

/* ---------- safety grid ---------- */
.safe { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.safe > div { padding: clamp(26px, 3vw, 40px) clamp(0px, 3vw, 40px) clamp(26px, 3vw, 40px) 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 14px 28px; align-items: start; border-bottom: 1px solid var(--hair); }
.safe > div:nth-child(2n) { padding-left: clamp(0px, 3vw, 40px); border-left: 1px solid var(--hair); }
.safe .t { display: grid; gap: 12px; }
.safe p { color: var(--ink-2); font-size: 15px; max-width: 46ch; }
.safe .dev { --w: 118px; }
.safe .loupe { width: 210px; align-self: center; }
.glyph { width: 64px; height: 64px; color: var(--ink); }

/* ---------- credits (inherited vs new) ---------- */
.credit { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 80px); }
.credit h3 { padding-bottom: 14px; border-bottom: 1px solid var(--ink); margin-bottom: 6px; display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.credit h3 .cap { color: var(--ink-2); }
.ticks { list-style: none; padding: 0; margin: 0; columns: 2; column-gap: 32px; }
.ticks li { break-inside: avoid; padding: 9px 0 9px 18px; position: relative; font-size: 14.5px; line-height: 1.45; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: 17px; width: 9px; height: 1px; background: var(--ink); }
.thanks { margin-top: 40px; font-family: var(--serif); font-style: italic; font-size: clamp(1.15rem, 1.6vw, 1.4rem); line-height: 1.5; max-width: 52ch; padding-left: 18px; border-left: 2px solid var(--ink); }

/* ---------- download band (the sleep screen) ---------- */
.band--ink { background: #121212; color: var(--paper); }
.band--ink .body, .band--ink p { color: #c4c4be; }
.band--ink .cap { color: #c4c4be; }
.dl { padding: clamp(80px, 10vw, 140px) 0; }
.dl-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(40px, 6vw, 96px); }
.ver { font-family: var(--disp); font-weight: 200; font-size: clamp(5rem, 12vw, 10.5rem); line-height: .86; letter-spacing: -.05em; color: var(--paper); }
.dl-lead { display: grid; gap: 22px; align-content: start; }
.spec { margin: 0; display: grid; grid-template-columns: max-content minmax(0, 1fr); border-top: 1px solid rgba(233,233,229,.9); }
.spec dt, .spec dd { margin: 0; padding: 14px 0; border-bottom: 1px solid rgba(233,233,229,.18); font-size: 14.5px; }
.spec dt { padding-right: 32px; font: 500 11.5px/1.9 var(--sans); letter-spacing: .16em; text-transform: uppercase; color: #bdbdb7; }
.spec dd { color: var(--paper); min-width: 0; }
.sha { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.sha code { word-break: break-all; font-size: 13.5px; line-height: 1.5; color: var(--paper); }
.copy { display: inline-flex; align-items: center; gap: 7px; height: 32px; padding: 0 12px; border: 1px solid currentColor; background: none; color: inherit; font: 500 12px var(--sans); letter-spacing: .06em; cursor: pointer; }
.copy:hover { background: var(--paper); color: var(--ink); }
.copy[data-done] { background: var(--paper); color: var(--ink); }
.dl-actions { display: flex; flex-wrap: wrap; gap: 14px 24px; align-items: center; margin-top: 30px; }
.warn { display: flex; gap: 10px; font-size: 14px; color: #d9d9d3 !important; margin-top: 18px; }
.warn b { color: var(--paper); }
.log { margin-top: 56px; display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 5vw, 72px); }
.log h3 { font-size: 1.05rem; margin-bottom: 14px; }
.log ul { margin: 0; padding: 0; list-style: none; display: grid; gap: 10px; }
.log li { font-size: 14px; color: #c4c4be; line-height: 1.5; padding-left: 18px; position: relative; }
.log li::before { content: ""; position: absolute; left: 0; top: 10px; width: 9px; height: 1px; background: var(--paper); }
.log .prev li { padding-left: 0; display: grid; grid-template-columns: 52px minmax(0, 1fr); gap: 12px; }
.log .prev li::before { display: none; }
.pv { font-family: var(--disp); color: var(--paper); }
.src { margin-top: 64px; padding-top: 40px; border-top: 1px solid rgba(233,233,229,.9); display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(32px, 6vw, 96px); }
.files { list-style: none; margin: 0; padding: 0; }
.files li { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 20px; padding: 14px 0; border-bottom: 1px solid rgba(233,233,229,.18); align-items: center; }
.files a { color: var(--paper); font-weight: 500; overflow-wrap: anywhere; }
.files .meta { font-size: 13px; color: #bdbdb7; grid-column: 1 / -1; overflow-wrap: anywhere; }
.files .sz { font-size: 13px; color: #c4c4be; white-space: nowrap; }

/* ---------- install CTA ---------- */
.paths { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--ink); }
.paths a { display: grid; gap: 10px; padding: clamp(24px, 3vw, 40px); text-decoration: none; transition: background .2s, color .2s; }
.paths a + a { border-left: 1px solid var(--ink); }
.paths a:hover { background: var(--ink); color: var(--paper); }
.paths a:hover p { color: #c4c4be; }
.paths h3 { font-size: clamp(1.3rem, 2vw, 1.7rem); display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.paths p { color: var(--ink-2); font-size: 15px; }

/* ---------- footer ---------- */
.foot { border-top: 1px solid var(--ink); padding: 48px 0 56px; font-size: 13.5px; color: var(--ink-2); }
.foot .wrap { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 32px 64px; }
.foot nav { display: flex; flex-wrap: wrap; gap: 10px 26px; justify-content: flex-end; align-content: start; }
.foot p { max-width: 62ch; }
.foot p + p { margin-top: 10px; }

/* ---------- install page ---------- */
.page-head { padding: clamp(48px, 8vw, 104px) 0 clamp(32px, 4vw, 56px); }
.page-head .wrap { display: grid; gap: 22px; }
.toc { display: flex; flex-wrap: wrap; gap: 8px 22px; font-size: 14px; margin-top: 8px; }
.toc a { color: var(--ink-2); }
.need { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.need > div { padding: 22px 24px 24px 0; display: grid; gap: 8px; align-content: start; }
.need > div + div { padding-left: 24px; border-left: 1px solid var(--hair); }
.need p { font-size: 14.5px; color: var(--ink-2); }
.seg { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border: 1px solid var(--ink); margin-bottom: 48px; }
.seg button { all: unset; box-sizing: border-box; cursor: pointer; padding: 20px 24px; display: grid; gap: 6px; }
.seg button + button { border-left: 1px solid var(--ink); }
.seg button b { font: 400 1.25rem/1.2 var(--disp); letter-spacing: -.015em; }
.seg button span { font-size: 14px; color: var(--ink-2); }
.seg button[aria-selected="true"] { background: var(--ink); color: var(--paper); }
.seg button[aria-selected="true"] span { color: #c4c4be; }
.seg button:focus-visible { outline: 2px solid var(--ink); outline-offset: 3px; }
.steps { list-style: none; margin: 0; padding: 0; counter-reset: s; position: relative; }
.steps > li { counter-increment: s; position: relative; display: grid; grid-template-columns: 72px minmax(0, 1fr); gap: 0 24px; padding-bottom: 40px; }
.steps > li::before { content: counter(s, decimal-leading-zero); font: 300 2rem/1 var(--disp); letter-spacing: -.03em; padding-top: 2px; }
.steps > li::after { content: ""; position: absolute; left: 22px; top: 46px; bottom: 6px; width: 1px; background: var(--hair); }
.steps > li:last-child::after { display: none; }
.steps h3 { margin-bottom: 10px; }
.steps .body { max-width: 62ch; }
.steps .body + .body { margin-top: 10px; }
.caution { margin-top: 14px; padding: 12px 16px; border-left: 2px solid var(--ink); background: var(--paper-hi); font-size: 14.5px; color: var(--ink-2); max-width: 62ch; }
.caution b { color: var(--ink); }
.cmd { margin-top: 12px; background: #121212; color: var(--paper); padding: 14px 16px; font: 13px/1.6 var(--mono); overflow-x: auto; max-width: 62ch; white-space: pre; }
.two { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(32px, 6vw, 96px); align-items: start; }
.two .dev { --w: min(100%, 250px); justify-self: center; position: sticky; top: calc(var(--nav) + 40px); }
.faq { border-top: 1px solid var(--ink); max-width: 900px; }
.faq details { border-bottom: 1px solid var(--hair); }
.faq summary { list-style: none; cursor: pointer; padding: 22px 48px 22px 0; position: relative; font: 400 1.2rem/1.35 var(--disp); letter-spacing: -.01em; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: ""; position: absolute; right: 6px; top: 50%; width: 14px; height: 14px; margin-top: -7px; background: linear-gradient(var(--ink) 0 0) center / 100% 1.5px no-repeat, linear-gradient(var(--ink) 0 0) center / 1.5px 100% no-repeat; transition: transform .3s var(--ease); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .ans { padding: 0 0 24px; display: grid; gap: 10px; max-width: 64ch; color: var(--ink-2); }
.lic { display: grid; gap: 0; border-top: 1px solid var(--ink); }
.lic > div { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 3fr) minmax(0, 5fr); gap: 8px 32px; padding: 20px 0; border-bottom: 1px solid var(--hair); }
.lic b { font-weight: 600; }
.lic span { color: var(--ink-2); font-size: 14.5px; }
.prose { max-width: 68ch; display: grid; gap: 14px; color: var(--ink-2); }
.prose h2 { color: var(--ink); margin-top: 32px; }

/* ---------- reveal ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .rv { opacity: 0; transform: translateY(18px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: calc(var(--i, 0) * 80ms); }
  .js .rv.in { opacity: 1; transform: none; }
}

/* ---------- responsive ---------- */
@media (max-width: 1080px) {
  .strip { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: 56px; }
  .t-desk { grid-column: span 12; grid-row: auto; grid-template-columns: auto minmax(0, 1fr); align-items: end; justify-items: start; }
  .t-peek { grid-column: span 12; }
  .t-goal { grid-column: span 5; }
  .t-hotd { grid-column: span 7; }
  .proofs { grid-template-columns: 1fr 1fr; }
  .proof:nth-child(3) { grid-column: span 2; }
  .proof:nth-child(3) .sheet { height: 420px; }
  .need { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .need > div:nth-child(3) { padding-left: 0; border-left: 0; }
  .ticks { columns: 1; }
}
@media (max-width: 860px) {
  .hero .wrap, .cmp, .ble, .dl-grid, .src, .log, .credit, .two, .foot .wrap { grid-template-columns: minmax(0, 1fr); }
  .hero-stage { padding: 34px 40px 0; justify-items: center; }
  .hero-stage { --hw: min(236px, 58vw); }
  .learn { grid-template-columns: minmax(0, 1fr); }
  .learn > div { padding-left: 0 !important; padding-right: 0 !important; }
  .safe { grid-template-columns: minmax(0, 1fr); }
  .safe > div:nth-child(2n) { padding-left: 0; border-left: 0; }
  .foot nav { justify-content: flex-start; }
  .two .dev { position: relative; top: auto; }
}
@media (max-width: 620px) {
  body { font-size: 15.5px; }
  .strip { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: 28px; margin: 0 calc(-1 * var(--gut)); padding: 18px var(--gut) 8px; scrollbar-width: none; }
  .strip::-webkit-scrollbar { display: none; }
  .strip figure { flex: 0 0 64%; scroll-snap-align: center; }
  .cmp-figs .dev { --w: 40vw; }
  .cmp-figs { gap: 22px; }
  .t-desk { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .t-desk .dev { --w: min(70vw, 260px); }
  .t-peek { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .t-peek .tcopy { justify-self: stretch; }
  .t-peek .dev { --w: min(54vw, 210px); }
  .t-goal, .t-hotd { grid-column: span 12; }
  .pair .dev { --w: 40vw; }
  .proofs { grid-template-columns: minmax(0, 1fr); }
  .proof:nth-child(n) { grid-column: auto; }
  .proof .sheet, .proof:nth-child(3) .sheet { height: 440px; }
  .ble-figs { grid-template-columns: minmax(0, 1fr); justify-items: center; }
  .ble-figs .dev { --w: min(56vw, 220px); }
  .safe > div { grid-template-columns: minmax(0, 1fr); }
  .safe .loupe { width: 100%; max-width: 300px; }
  .paths { grid-template-columns: minmax(0, 1fr); }
  .paths a + a { border-left: 0; border-top: 1px solid var(--ink); }
  .need { grid-template-columns: minmax(0, 1fr); }
  .need > div, .need > div + div { padding: 18px 0; border-left: 0; border-bottom: 1px solid var(--hair); }
  .seg { grid-template-columns: minmax(0, 1fr); }
  .seg button + button { border-left: 0; border-top: 1px solid var(--ink); }
  .steps > li { grid-template-columns: 48px minmax(0, 1fr); gap: 0 14px; }
  .steps > li::before { font-size: 1.5rem; }
  .steps > li::after { left: 14px; top: 36px; }
  .spec { grid-template-columns: minmax(0, 1fr); }
  .spec dt { padding-bottom: 0; border-bottom: 0; }
  .lic > div { grid-template-columns: minmax(0, 1fr); }
  .log .prev li { grid-template-columns: 44px minmax(0, 1fr); }
}

/* ================= v2 additions ================= */
h1 em, h2 em { font-family: var(--serif); font-style: italic; font-weight: 300; letter-spacing: -.02em; }
.eyebrow { color: var(--ink-2); display: flex; align-items: center; gap: 12px; }
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; flex: none; }
.h-mb { margin-bottom: 36px; }

/* language switch: a two-cell segmented control */
.lang { display: flex; border: 1px solid var(--ink); flex: none; }
.lang a { font: 600 11px/1 var(--sans); letter-spacing: .12em; padding: 9px 10px; min-width: 36px; text-align: center; text-decoration: none; color: var(--ink); }
.lang a + a { border-left: 1px solid var(--ink); }
.lang a[aria-current] { background: var(--ink); color: var(--paper); }
.nav { margin-left: auto; }
.brand span { white-space: nowrap; }

/* tool teaser on the home page */
.tool-cta-in { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: clamp(40px, 6vw, 96px); align-items: center; }
.toc-demo { list-style: none; margin: 0; padding: 28px 30px; background: var(--paper-hi); border: 1px solid var(--hair); position: relative; counter-reset: t; }
.toc-demo::before { content: "toc.ncx"; position: absolute; top: -9px; left: 22px; background: var(--paper); padding: 0 8px; font: 500 11px/18px var(--mono); color: var(--ink-3); }
.toc-demo li { display: flex; align-items: baseline; gap: 10px; padding: 9px 0; font-family: var(--serif); font-size: 1.08rem; }
.toc-demo li i { flex: 1; border-bottom: 1px dotted var(--ink-3); transform: translateY(-4px); }
.toc-demo li b { font: 400 .95rem var(--disp); font-variant-numeric: tabular-nums; }
.tool-note { display: flex; justify-content: space-between; align-items: center; gap: 24px 48px; flex-wrap: wrap; padding: clamp(24px, 3vw, 40px); border: 1px solid var(--ink); }
.tool-note > div { max-width: 640px; }

/* ---------- EPUB fixer ---------- */
.private { display: flex; gap: 10px; align-items: flex-start; font-size: 14.5px; color: var(--ink-2); max-width: 60ch; padding: 12px 16px; border-left: 2px solid var(--ink); background: var(--paper-hi); }
.private .ico { margin-top: 3px; }
.private b { color: var(--ink); }
.fixer { padding-bottom: clamp(48px, 7vw, 96px); }
.drop { display: grid; justify-items: center; gap: 10px; padding: clamp(44px, 7vw, 84px) 24px; text-align: center; cursor: pointer; background: #f6f6f3; border: 1px solid var(--hair); transition: background .2s, border-color .2s; }
.drop.crop::after { --o: -1px; --a: 24px; --t: 2px; }
.drop[hidden] { display: none; }
.drop:hover, .drop.over { background: #fbfbf9; border-color: var(--ink); }
.drop:focus-within { outline: 2px solid var(--ink); outline-offset: 4px; }
.drop-rm { width: 40px; height: 40px; color: var(--ink); margin-bottom: 8px; }
.drop.over .drop-rm { transform: rotate(45deg); transition: transform .3s var(--ease); }
.drop-t { font: 300 clamp(1.4rem, 2.6vw, 2rem)/1.15 var(--disp); letter-spacing: -.02em; }
.drop-s { color: var(--ink-2); font-size: 14.5px; }
.drop-s u { text-underline-offset: .2em; }
.status { min-height: 1.6em; margin: 18px 12px 0; font-size: 14.5px; color: var(--ink-2); }
.status.err { color: var(--ink); font-weight: 600; padding-left: 12px; border-left: 2px solid var(--ink); }
#work { margin-top: 28px; }
.book { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 24px 48px; align-items: end; padding: 28px 0; border-top: 1px solid var(--ink); border-bottom: 1px solid var(--hair); }
.book h3 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 300; margin: 8px 0 6px; overflow-wrap: anywhere; }
.book .cap { color: var(--ink-3); overflow-wrap: anywhere; }
.book .it { color: var(--ink-2); }
.bstats { display: flex; gap: 0; margin: 0; }
.bstats div { padding: 0 22px; border-left: 1px solid var(--hair); }
.bstats div:first-child { border-left: 0; padding-left: 0; }
.bstats dt { font: 500 10.5px/1.4 var(--sans); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.bstats dd { margin: 6px 0 0; font: 400 1.05rem/1.2 var(--disp); white-space: nowrap; }
.opts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1px; background: var(--hair); border-bottom: 1px solid var(--hair); }
.chk { display: flex; gap: 14px; align-items: flex-start; padding: 20px 20px 20px 0; background: var(--paper); cursor: pointer; }
.chk + .chk { padding-left: 20px; }
.chk span { display: grid; gap: 4px; }
.chk b { font-weight: 600; font-size: 15px; }
.chk small { font-size: 13.5px; color: var(--ink-2); line-height: 1.45; }
input[type=checkbox] { appearance: none; -webkit-appearance: none; width: 20px; height: 20px; flex: none; margin: 1px 0 0; border: 1.5px solid var(--ink); background: var(--paper-hi); cursor: pointer; display: grid; place-content: center; }
input[type=checkbox]::before { content: ""; width: 12px; height: 12px; background: var(--ink); clip-path: polygon(14% 50%, 0 64%, 38% 100%, 100% 22%, 86% 8%, 38% 72%); transform: scale(0); transition: transform .12s var(--ease); }
input[type=checkbox]:checked { background: var(--paper-hi); }
input[type=checkbox]:checked::before { transform: scale(1); }
.list-head { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; margin-top: 40px; flex-wrap: wrap; }
.list-head h3 { font-size: 1.4rem; font-weight: 300; }
.list-tools { display: flex; gap: 8px; }
.tbtn { height: 40px; padding: 0 12px; border: 1px solid var(--ink); background: none; font: 500 12.5px var(--sans); color: var(--ink); cursor: pointer; }
.tbtn:hover { background: var(--ink); color: var(--paper); }
.hint { margin-top: 10px; color: var(--ink-2); font-size: 14.5px; max-width: 64ch; }
.chs { list-style: none; margin: 20px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.ch { display: grid; grid-template-columns: 20px 40px minmax(0, 1fr); gap: 0 14px; align-items: start; padding: 10px 6px 10px 0; border-bottom: 1px solid var(--hair); }
.ch:not(.on) .ch-t, .ch:not(.on) .ch-n { color: var(--ink-3); }
.ch-n { font-size: 14px; color: var(--ink-2); cursor: pointer; padding-top: 5px; }
.ch > input[type=checkbox] { margin-top: 6px; }
.ch-m .fn { text-transform: none; letter-spacing: .02em; font-family: var(--mono); font-size: 11px; }
.b-file { display: flex; flex-wrap: wrap; align-items: center; gap: 10px 16px; font-size: 13px; color: var(--ink-3); overflow-wrap: anywhere; font-family: var(--mono); }
.tbtn--sm { font-family: var(--sans); height: 30px; }
.ch-b { display: grid; gap: 2px; min-width: 0; }
.ch-t { width: 100%; border: 0; border-bottom: 1px dashed rgba(18,18,18,.25); background: transparent; font: 400 1.02rem/1.4 var(--serif); color: var(--ink); padding: 3px 0; border-radius: 0; }
.ch-t:hover { border-bottom-color: var(--hair); }
.ch-t:focus { outline: none; border-bottom-color: var(--ink); }
.ch-m { font: 500 10.5px/1.3 var(--sans); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-3); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.build { display: flex; flex-wrap: wrap; gap: 16px 28px; align-items: center; margin-top: 0; padding: 16px 0 calc(16px + env(safe-area-inset-bottom)); position: sticky; bottom: 0; z-index: 5; background: var(--paper); border-top: 1px solid var(--ink); }
.build .link { background: none; border-top: 0; border-left: 0; border-right: 0; cursor: pointer; font: 500 15px var(--sans); color: var(--ink); }
.result { margin-top: 28px; padding: 20px 22px; background: #121212; color: var(--paper); display: grid; gap: 8px; max-width: 760px; }
.result p { font-size: 14.5px; color: #d3d3cd; }
.result b { color: var(--paper); }
.result .link { color: var(--paper); }
.how { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 1px solid var(--ink); }
.how > div { padding: 26px 28px 8px 0; display: grid; gap: 10px; align-content: start; }
.how > div + div { padding-left: 28px; border-left: 1px solid var(--hair); }
.how .num { font-size: 2rem; font-weight: 200; }
.how p { color: var(--ink-2); font-size: 15px; }
.sha--page { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; margin-top: 14px; }
.sha--page code { word-break: break-all; font-size: 14px; }
.sha--page .copy:hover, .sha--page .copy[data-done] { background: var(--ink); color: var(--paper); }

/* mobile fixes */
.cmp-figs > figure, .pair > .dev { min-width: 0; }
@media (max-width: 860px) {
  .tool-cta-in { grid-template-columns: minmax(0, 1fr); }
  .book { grid-template-columns: minmax(0, 1fr); }
  .how { grid-template-columns: minmax(0, 1fr); }
  .how > div + div { padding-left: 0; border-left: 0; border-top: 1px solid var(--hair); }
}
@media (max-width: 620px) {
  .cmp-figs > figure { flex: 1 1 0; }
  .cmp-figs .dev { --w: 100%; }
  .pair { gap: 14px; }
  .pair > .dev { --w: auto; flex: 1 1 0; width: auto; max-width: 200px; }
  .opts { grid-template-columns: minmax(0, 1fr); }
  .chk, .chk + .chk { padding: 18px 0; }
  .bstats { flex-wrap: wrap; row-gap: 14px; }
  .bstats div { padding: 0 16px; }
  .drop { margin: 10px 2px; }
  .ch { grid-template-columns: 20px 30px minmax(0, 1fr); gap: 0 10px; }
  .top .wrap { gap: 12px; }
  .nav { gap: 14px; }
  .nav a { font-size: 13.5px; }
  .lang a { padding: 7px 7px; }
}
.l-short { display: none; }
@media (max-width: 620px) { .l-long { display: none; } .l-short { display: inline; } }
@media (max-width: 400px) { .brand span { display: none; } }
@media (max-width: 620px) { .top .wrap { gap: 14px; } .brand { letter-spacing: .18em; } }

/* dictionary pack card */
.dict-card { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(32px, 5vw, 80px); padding: clamp(28px, 4vw, 56px); background: var(--paper-hi); border: 1px solid var(--hair); margin: 12px; }
.dict-lead { display: grid; gap: 18px; align-content: start; }
.dict-list { list-style: none; margin: 6px 0 0; padding: 0; border-top: 1px solid var(--ink); }
.dict-list li { display: flex; justify-content: space-between; gap: 6px 18px; flex-wrap: wrap; padding: 13px 0; border-bottom: 1px solid var(--hair); font-size: 15px; }
.dict-list span { color: var(--ink-2); font-size: 13.5px; }
.dict-meta { font-size: 13px; color: var(--ink-3); }
.dict-sha { display: flex; flex-wrap: wrap; gap: 8px 10px; align-items: center; font-size: 12px; color: var(--ink-2); }
.dict-sha code { word-break: break-all; font-size: 11.5px; }
.dict-sha .copy { height: 28px; }
.dict-sha .copy:hover, .dict-sha .copy[data-done] { background: var(--ink); color: var(--paper); }
.steps--tight > li { padding-bottom: 26px; grid-template-columns: 52px minmax(0, 1fr); gap: 0 16px; }
.steps--tight > li::before { font-size: 1.55rem; }
.steps--tight > li::after { left: 16px; top: 36px; }
.steps--tight h3 { font-size: 1.12rem; margin-bottom: 6px; }
.tree { margin: 14px 0 0; padding: 14px 16px; background: var(--paper); border: 1px solid var(--hair); font: 13px/1.65 var(--mono); color: var(--ink-2); overflow-x: auto; }
.tree b { color: var(--ink); font-weight: 600; }
.soon { margin-top: 18px; font-size: 13.5px; color: var(--ink-2); display: flex; gap: 10px; align-items: baseline; }
.soon::before { content: ""; width: 9px; height: 9px; flex: none; background: linear-gradient(var(--ink) 0 0) center / 100% 1.5px no-repeat, linear-gradient(var(--ink) 0 0) center / 1.5px 100% no-repeat; }
@media (max-width: 860px) { .dict-card { grid-template-columns: minmax(0, 1fr); margin: 10px 2px; } }
.learn > div, .cmp > *, .ble > *, .proof, .dict-card > div, .tool-cta-in > *, .two > *, .credit > *, .dl-grid > *, .src > * { min-width: 0; }
.pair { min-width: 0; }

@media (max-width: 620px) {
  .build .btn { width: 100%; }
  .build { gap: 10px; justify-content: center; }
}

@media (max-width: 620px) {
  .flow { flex-direction: column; align-items: flex-start; gap: 6px; }
  .flow i { width: 1px; height: 14px; margin-left: 18px; }
  .flow i::after { right: -3px; top: auto; bottom: 0; border: 3.5px solid transparent; border-top: 5px solid var(--ink); border-bottom: 0; }
  .pair { justify-content: center; }
  .hero { padding-top: 40px; }
  .ruler-now { flex-direction: column; gap: 4px; }
  .ruler-now span:last-child { text-align: left; }
  .proof .sheet, .proof:nth-child(3) .sheet { height: 380px; }
}
.dict-list li { flex-direction: column; gap: 2px; }
.dict-sha code { font-size: 12px; color: var(--ink-2); }
@media (max-width: 620px) {
  .safe .dev { --w: 170px; justify-self: center; }
  .safe .loupe { max-width: none; }
  .dict-card { padding: 26px 20px; }
  .steps--tight > li { grid-template-columns: 40px minmax(0, 1fr); gap: 0 12px; }
  .steps--tight > li::after { left: 12px; }
  .dl { padding: 64px 0; }
  .tree { font-size: 12.5px; }
}
[hidden] { display: none !important; }
.pair:has(> .dev:only-child) { justify-content: center; }
.proofs { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 1080px) { .proofs { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 620px) { .proofs { grid-template-columns: minmax(0, 1fr); } }

.nw { white-space: nowrap; }

.toc-demo::before{content:none}

/* tight download + dictionary layout */
.dl { padding: clamp(56px, 7vw, 96px) 0; }
.dl-grid { grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: end; }
.dl-lead { gap: 16px; }
.dl-actions { margin-top: 18px; }
.dl-meta { font: 500 12.5px/1.4 var(--mono); color: #8a8a85 !important; }
.dl-new { border-left: 1px solid #2a2a2a; padding-left: clamp(24px, 3vw, 40px); }
.dl-new h3 { font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: #c4c4be; margin-bottom: 8px; font-weight: 500; }
.dl-new ul { list-style: none; margin: 0; padding: 0; }
.dl-new li { padding: 13px 0; border-bottom: 1px solid #242424; color: var(--paper); font-size: 15px; line-height: 1.45; }
.dl-new li:last-child { border-bottom: 0; }
.dl-tech { margin-top: clamp(36px, 4vw, 56px); border-top: 1px solid #2a2a2a; }
.dl-tech details { border-bottom: 0; }
.band--ink .faq summary::after { --ink: var(--paper); background: linear-gradient(var(--paper) 0 0) center / 100% 1.5px no-repeat, linear-gradient(var(--paper) 0 0) center / 1.5px 100% no-repeat; }
.dict { padding-bottom: clamp(32px, 4vw, 56px) !important; }
.dict-card { max-width: 1040px; margin: 12px auto; align-items: center; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }
.dict-how .steps > li { padding-bottom: 22px; }
.dict-how .steps > li:last-child { padding-bottom: 0; }
.dict-how .steps h3 { margin-bottom: 4px; }
.dict + .sec { padding-top: 8px !important; padding-bottom: clamp(40px, 5vw, 64px); }
.dict + .sec .thanks { margin: 0 auto; max-width: 1040px; }
@media (max-width: 820px) { .dl-grid { grid-template-columns: 1fr; align-items: start; } .dl-new { border-left: 0; padding-left: 0; border-top: 1px solid #2a2a2a; padding-top: 8px; } .dict-card { grid-template-columns: 1fr; } }

/* pass 2 */
.dl { padding: clamp(56px, 7vw, 88px) 0 clamp(40px, 5vw, 64px); }
.dl-grid { align-items: start; }
.dl-new { padding-top: 2px; }
.dl-meta { color: #b3b3ad !important; }
.dl-new li:last-child { border-bottom: 1px solid #242424; }
.dl-tech { max-width: none; }
.dl-tech summary { font-size: 1rem; padding: 18px 40px 18px 0; color: #c4c4be; }
.dict-card { max-width: none; margin: 12px; align-items: start; }
.dict-lead .body { max-width: 34ch; }
.foot nav { gap: 10px 22px; }
.foot .wrap { grid-template-columns: minmax(0, 1fr) auto; }
/* pass 3 */
.dl-grid { align-items: stretch; }
.dl-new li:first-child { border-top: 1px solid #242424; }
.dict { padding-top: clamp(56px, 6vw, 88px) !important; padding-bottom: clamp(56px, 6vw, 88px) !important; }
.dict-card { margin: 0; align-items: center; }
.foot { border-top-color: var(--hair); }

/* support link */
.tip { display: inline-flex; align-items: center; gap: 8px; margin-top: 22px; padding-top: 18px; border-top: 1px solid #2a2a2a; color: var(--paper) !important; text-decoration: none; font-size: 14.5px; align-self: flex-start; }
.tip .tip-k { color: #8a8a85; }
.tip .ico { transition: transform .2s var(--ease); }
.tip:hover { text-decoration: none; }
.tip:hover .ico { transform: translateX(3px); }
.tip .tip-k { color: #a3a39d; }
.tip .tip-u { border-bottom: 1px solid currentColor; padding-bottom: 2px; }
/* footer mobile fix: the desktop override above must not apply on phones */
@media (max-width: 820px) {
  .foot { padding: 40px 0 48px; }
  .foot .wrap { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .foot nav { order: -1; display: grid; grid-template-columns: 1fr 1fr; gap: 0 20px; justify-content: stretch; border-top: 1px solid var(--hair); }
  .foot nav a { padding: 13px 0; border-bottom: 1px solid var(--hair); font-size: 14px; }
  .foot p { font-size: 13px; line-height: 1.55; }
}
.seg { grid-template-columns: repeat(3, minmax(0, 1fr)); }
@media (max-width: 820px) { .seg { grid-template-columns: minmax(0, 1fr); } }
/* support section */
.support { border-top: 1px solid var(--hair); }
.support-in { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 32px 64px; align-items: end; }
.support h2 { margin: 10px 0 14px; }
.support .body { max-width: 44ch; }
.support-cta { display: grid; gap: 12px; justify-items: start; }
.support-pay { font: 500 12.5px/1.4 var(--mono); color: var(--ink-2); letter-spacing: .02em; }
.n-support { font-weight: 600; }
@media (max-width: 820px) { .support-in { grid-template-columns: minmax(0, 1fr); align-items: start; } .support-cta .btn { width: 100%; } }
.support-in { align-items: center; }
.support-cta { justify-self: end; justify-items: end; }
@media (max-width: 820px) { .support-cta { justify-self: stretch; justify-items: start; } }
@media (max-width: 370px) { .nav { gap: 12px !important; } }