/* SensitivityMatch: a quiet look. Soft charcoal panels, one muted steel accent, sentence-case headings, no motion beyond small hover changes.
   System fonts only, so nothing is fetched from another site. */

:root {
  --bg: #1a1b1d; --card: #212225; --panel: #1d1e20; --field: #18191b; --hover: rgba(255, 255, 255, .04);
  --ink: #e4e5e7; --ink2: #aeb1b7; --mut: #80848c;
  --line: #2a2c2f; --line2: #34373b; --line3: #4a4e54;
  --acc: #9fb0c3; --acc-h: #b8c6d6; --acc-soft: rgba(159, 176, 195, .10); --acc-line: rgba(159, 176, 195, .30); --on-acc: #17191c;
  --acc2: #9db3a8; --acc3: #bdb099;
  --hero: linear-gradient(180deg, #202124 0%, #1a1b1d 100%);
  --shadow-s: 0 1px 2px rgba(0, 0, 0, .25);
  --shadow-m: 0 10px 28px -16px rgba(0, 0, 0, .5);
  --bad: #dfb4a4; --menubg: rgba(26, 27, 29, .92);
  --chev: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%239fb0c3' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  --chev-up: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%239fb0c3' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m18 15-6-6-6 6'/%3E%3C/svg%3E");
  --r: 8px; --r2: 12px; --rpill: 8px;
  --tt: none; --htrack: -.01em; --hweight: 650;
  --cut: none;
  color-scheme: dark;
}
:root {
  --head: Inter, "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
  --font: Inter, "Segoe UI Variable Text", "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}
/* ---- base ---- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink2); font: 16.5px/1.7 var(--font); font-feature-settings: "tnum"; -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent; }
img, svg { max-width: 100%; }
::selection { background: var(--acc); color: var(--on-acc); }
a { color: var(--acc); text-decoration: none; } a:hover { color: var(--acc-h); text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--acc); outline-offset: 2px; border-radius: 4px; }
.wrap { width: 100%; max-width: 1080px; margin: 0 auto; padding: 0 22px; }
.mono { font-family: var(--font); font-variant-numeric: tabular-nums; font-feature-settings: "tnum"; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--acc); color: var(--on-acc); padding: 8px 12px; z-index: 20; border-radius: 6px; }
.skip:focus { left: 8px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
[hidden] { display: none !important; }

/* ---- header: logo, three links, one call-to-action ---- */
.top { position: sticky; top: 0; z-index: 10; background: var(--menubg); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.topbar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 8px 24px; padding-top: 12px; padding-bottom: 12px; }
.brand { justify-self: start; display: inline-flex; align-items: center; gap: 11px; color: var(--ink); font: var(--hweight) 21px/1 var(--head); letter-spacing: var(--htrack); text-transform: var(--tt); }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand svg { width: 36px; height: 36px; padding: 7px; border-radius: var(--r); background: var(--acc); color: var(--on-acc); }
.menu { display: flex; gap: 4px; justify-content: center; }
.menu a { color: var(--ink2); font: 600 15px/1 var(--font); letter-spacing: 0; text-transform: none; padding: 12px 16px; border-radius: var(--r); transition: background .15s, color .15s; position: relative; }
.menu a:hover { background: var(--hover); color: var(--ink); text-decoration: none; }
.menu a[aria-current="page"] { color: var(--ink); } .menu a[aria-current="page"]::after { content: ""; position: absolute; left: 16px; right: 16px; bottom: 2px; height: 2px; border-radius: 2px; background: var(--acc); }
.hright { justify-self: end; display: flex; align-items: center; gap: 14px; }
.lang { position: relative; }
.lang summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 7px; padding: 7px 10px; border: 1px solid var(--line2); border-radius: var(--r); color: var(--ink); font: 650 12.5px/1 var(--font); letter-spacing: .04em; user-select: none; }
.lang summary::-webkit-details-marker { display: none; }
.lang summary::after { content: ""; width: 6px; height: 6px; margin-top: -3px; border-right: 2px solid var(--acc); border-bottom: 2px solid var(--acc); transform: rotate(45deg); transition: transform .15s; }
.lang[open] summary::after { margin-top: 3px; transform: rotate(-135deg); }
.lang summary:hover, .lang[open] summary { background: var(--hover); }
.lang ul { position: absolute; right: 0; top: calc(100% + 6px); z-index: 50; min-width: 150px; margin: 0; padding: 6px; list-style: none; background: var(--card); border: 1px solid var(--line3); border-radius: var(--r2); box-shadow: 0 18px 40px -10px rgba(0, 0, 0, .75); }
.lang li a { display: block; padding: 8px 10px; border-radius: var(--r); color: var(--ink2); font: 600 14.5px/1.2 var(--font); letter-spacing: 0; }
.lang li a:hover { background: var(--hover); color: var(--ink); text-decoration: none; }
.lang li a[aria-current="true"] { background: var(--acc-soft); color: var(--ink); }
.hcta { justify-self: end; display: inline-block; padding: 10px 18px; background: var(--acc); color: var(--on-acc); font: 650 14px/1 var(--font); letter-spacing: 0; text-transform: none; border-radius: var(--r); clip-path: var(--cut); transition: background .15s; }
.hcta:hover { background: var(--acc-h); color: var(--on-acc); text-decoration: none; }

/* ---- type ---- */
h1, h2, h3 { font-family: var(--head); font-weight: var(--hweight); color: var(--ink); line-height: 1.2; margin: 0; letter-spacing: var(--htrack); text-transform: var(--tt); text-wrap: balance; }
h1 { font-size: clamp(28px, 3.9vw, 40px); }
h2 { font-size: clamp(21px, 2.5vw, 27px); margin-bottom: 14px; }
h3 { font-size: 17px; margin-bottom: 8px; }
.lede { text-wrap: balance; font-size: clamp(16px, 1.6vw, 17.5px); color: var(--ink2); max-width: 84ch; margin: 16px 0 0; line-height: 1.6; }

/* ---- landing hero ---- */
.hero { position: relative; overflow: hidden; background: var(--hero); border-bottom: 1px solid var(--line); padding: 68px 0 64px; }
.hero::before { display: none; content: ""; position: absolute; right: -90px; top: -120px; width: 560px; height: 560px; border-radius: 50%; border: 2px solid rgba(255, 255, 255, .07); background: linear-gradient(rgba(255, 255, 255, .07), rgba(255, 255, 255, .07)) center / 2px 100% no-repeat, linear-gradient(rgba(255, 255, 255, .07), rgba(255, 255, 255, .07)) center / 100% 2px no-repeat; pointer-events: none; }
.hero::after { display: none; content: ""; position: absolute; right: 0; top: 0; bottom: 0; width: 34%; background: linear-gradient(110deg, transparent 0 22%, rgba(255, 70, 85, .08) 22% 100%); clip-path: polygon(22% 0, 100% 0, 100% 100%, 0 100%); pointer-events: none; }
.hero-grid { position: relative; z-index: 1; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr); gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(32px, 4.8vw, 52px); line-height: 1.12; max-width: 17ch; } .hero h1 em { font-style: normal; color: var(--acc); display: block; }
.hero .lede { margin-top: 20px; font-size: 17px; }
.badge { display: inline-flex; align-items: center; gap: 9px; margin: 0 0 22px; padding: 6px 13px; border: 1px solid var(--line2); border-radius: var(--rpill); background: transparent; color: var(--ink2); font: 500 13px/1.35 var(--font); letter-spacing: 0; text-transform: none; }
.badge::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--mut); }
.cta { display: flex; flex-wrap: wrap; gap: 12px; margin: 32px 0 0; }
.trust { list-style: none; margin: 30px 0 0; padding: 0; display: grid; gap: 10px; }
.trust li { display: flex; align-items: center; gap: 11px; font-size: 15px; font-weight: 550; color: var(--ink2); }
.trust svg { width: 20px; height: 20px; flex: none; padding: 4px; border-radius: 50%; background: var(--acc-soft); color: var(--acc); stroke-width: 3.2; }
.demo { position: relative; display: grid; gap: 14px; padding: 22px; background: var(--card); color: var(--ink); border: 1px solid var(--line2); border-radius: var(--r2); box-shadow: var(--shadow-m); transition: transform .2s, border-color .2s; }
.demo:hover { color: var(--ink); text-decoration: none; border-color: var(--line3); }
.demo-tag { justify-self: start; display: inline-flex; align-items: center; gap: 8px; padding: 3px 11px; border-radius: var(--rpill); background: var(--acc-soft); color: var(--acc); font: 600 12px/1.6 var(--font); letter-spacing: .04em; text-transform: uppercase; }
.demo-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; padding: 14px 16px; border: 1px solid var(--line2); border-radius: var(--r); background: var(--field); }
.demo-row span { font-size: 14.5px; font-weight: 650; color: var(--ink2); } .demo-row b { font: var(--hweight) 26px/1 var(--head); letter-spacing: 0; color: var(--ink); }
.demo-row.out { background: var(--acc-soft); border-color: var(--acc-line); } .demo-row.out b { color: var(--acc); }
.demo-mid { display: flex; align-items: center; justify-content: center; gap: 8px; color: var(--mut); font: 600 12px/1 var(--font); letter-spacing: .04em; text-transform: uppercase; } .demo-mid svg { width: 16px; height: 16px; transform: rotate(90deg); }
.demo-ruler { display: block; height: 8px; border-radius: 99px; background: var(--line); overflow: hidden; } .demo-ruler i { display: block; height: 100%; border-radius: 99px; background: var(--acc); }
.demo-foot { font-size: 13.5px; color: var(--mut); font-weight: 550; }

/* stat strip under the hero */
.stats { border-bottom: 1px solid var(--line); background: var(--panel); }
.sgrid { display: grid; grid-template-columns: repeat(4, 1fr); }
.sgrid > div { padding: 26px 22px; border-left: 1px solid var(--line); } .sgrid > div:first-child { border-left: 0; padding-left: 0; }
.stats b { display: block; font: var(--hweight) 30px/1 var(--head); color: var(--ink); letter-spacing: 0; } .stats b i { font-style: normal; color: var(--acc); }
.stats span { display: block; margin-top: 8px; font: 600 12px/1.3 var(--font); letter-spacing: .04em; text-transform: uppercase; color: var(--mut); }

/* ---- page head: left aligned, a small label above ---- */
.page-head { padding: 42px 0 4px; text-align: left; border-bottom: 0; }
.page-head h1 { max-width: 30ch; }
.page-head .lede { margin-top: 14px; }
.crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin-bottom: 18px; font: 500 13px/1.4 var(--font); letter-spacing: 0; text-transform: none; color: var(--mut); }
.crumbs a { color: var(--mut); } .crumbs a:hover { color: var(--acc); text-decoration: none; } .crumbs i { font-style: normal; color: var(--line3); }

/* ---- sections ---- */
.block { padding: 64px 0 0; text-align: left; }
.block.tight { padding: 28px 0 0; }
.block > .wrap > h2 { display: block; }
.sub { margin: -6px 0 24px; color: var(--mut); max-width: 92ch; }
.hint { color: var(--mut); font-size: 14.5px; margin: 12px 0 0; }
.more { margin-top: 20px; }
.prose, .faq, .plain { max-width: 104ch; text-align: left; }
.prose p { margin: 0 0 15px; } .prose p:last-child { margin-bottom: 0; }
.prose .mono { color: var(--ink); background: var(--panel); border: 1px solid var(--line2); padding: 1px 8px; border-radius: 4px; font-size: .92em; font-weight: 650; }

/* ---- the converter card ---- */
.tool { display: grid; gap: 20px; text-align: left; }
.card { position: relative; background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); box-shadow: var(--shadow-m); }
.conv { padding: 36px 40px 30px; }
.cgrid { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 14px 24px; }
.cgrid.one { grid-template-columns: 1fr; }
/* desktop: From and To on the first row, each with its own inputs under it; phone: From, its inputs, swap, To, its inputs */
.cgrid > .c-from { grid-column: 1; grid-row: 1; } .cgrid > .c-to { grid-column: 2; grid-row: 1; } .cgrid > .c-fin { grid-column: 1; grid-row: 2; } .cgrid > .c-tin { grid-column: 2; grid-row: 2; }
.cf { display: block; position: relative; border: 1px solid var(--line2); background: var(--field); border-radius: var(--r); padding: 10px 18px 9px; min-height: 66px; transition: border-color .15s, box-shadow .15s; }
.cf:hover { border-color: var(--line3); }
.cf:focus-within { border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
.cf > span, .pair label > span { display: block; font: 600 12px/1.4 var(--font); letter-spacing: .04em; text-transform: uppercase; color: var(--mut); }
.cf input, .cf select { width: 100%; border: 0; padding: 3px 0 0; background: transparent; color: var(--ink); font: 650 21px/1.3 var(--font); font-variant-numeric: tabular-nums; outline: 0; min-height: 32px; }
.cf select { font-size: 19.5px; appearance: none; -webkit-appearance: none; cursor: pointer; padding-right: 28px; }
.cf select option { color: #0b1118; background: #fff; }
.cf input::placeholder { color: var(--mut); opacity: .6; font-weight: 500; }
.cf input:disabled, .cf select:disabled { opacity: .45; cursor: not-allowed; }
.pair { display: grid; grid-auto-flow: column; grid-auto-columns: 1fr; padding: 0; }
.pair label { display: block; padding: 10px 18px 9px; } .pair label + label { border-left: 1px solid var(--line2); }
.swap { position: absolute; left: 50%; top: 33px; transform: translate(-50%, -50%); z-index: 2; width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--line2); background: var(--card); color: var(--ink); cursor: pointer; display: grid; place-items: center; box-shadow: var(--shadow-s); transition: all .15s; }
.swap:hover { color: var(--on-acc); background: var(--acc); border-color: var(--acc); } .swap svg { width: 19px; height: 19px; }
.rrow { display: flex; align-items: center; flex-wrap: wrap; gap: 14px 18px; margin-top: 28px; }
.rlabel { font: 600 14px/1.3 var(--font); letter-spacing: 0; text-transform: none; color: var(--ink2); }
.pill { display: inline-flex; align-items: center; gap: 12px; min-width: 170px; padding: 7px 10px 7px 22px; border-radius: var(--rpill); background: var(--acc-soft); border: 1px solid var(--acc-line); }
.pill b { font: var(--hweight) 28px/1.1 var(--head); color: var(--acc); overflow-wrap: anywhere; letter-spacing: 0; }
.pcopy { width: 32px; height: 32px; margin-left: auto; display: grid; place-items: center; border: 0; border-radius: 50%; background: transparent; color: var(--acc); cursor: pointer; opacity: .8; } .pcopy:hover { opacity: 1; background: var(--hover); } .pcopy svg { width: 17px; height: 17px; }
.rtools { margin-left: auto; display: flex; align-items: center; gap: 8px; position: relative; }
.ibtn { width: 42px; height: 42px; display: grid; place-items: center; border: 0; border-radius: var(--r); background: transparent; color: var(--ink2); cursor: pointer; } .ibtn:hover, .ibtn[aria-expanded="true"] { background: var(--acc-soft); color: var(--acc); } .ibtn svg { width: 20px; height: 20px; }
.dbtn, .sbtn { display: inline-flex; align-items: center; gap: 8px; padding: 9px 18px; border: 1px solid var(--line2); border-radius: var(--rpill); background: transparent; color: var(--ink2); font: 600 14px var(--font); letter-spacing: 0; text-transform: none; cursor: pointer; transition: all .15s; }
.dbtn:hover, .sbtn:hover, .dbtn[aria-expanded="true"] { border-color: var(--acc); color: var(--acc); background: var(--acc-soft); }
.dbtn svg, .sbtn svg { width: 16px; height: 16px; } .dbtn svg { transition: transform .2s; } .dbtn[aria-expanded="true"] svg { transform: rotate(180deg); }
.menuwrap { position: relative; }
.menu2 { position: absolute; right: 0; top: calc(100% + 8px); z-index: 5; min-width: 230px; padding: 8px; background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); box-shadow: var(--shadow-m); text-align: left; }
.menu2 p { margin: 4px 10px 8px; font: 600 11.5px/1 var(--font); letter-spacing: .04em; text-transform: uppercase; color: var(--mut); }
.menu2 button { width: 100%; display: flex; align-items: center; justify-content: space-between; padding: 11px 12px; border: 0; border-radius: var(--r); background: transparent; color: var(--ink2); font: 600 16px var(--font); cursor: pointer; text-align: left; }
.menu2 button:hover { background: var(--hover); color: var(--ink); }
.menu2 button svg { width: 17px; height: 17px; opacity: 0; } .menu2 button[aria-checked="true"] { background: var(--acc-soft); color: var(--acc); } .menu2 button[aria-checked="true"] svg { opacity: 1; }
.msg { margin: 14px 0 0; color: var(--bad); font-weight: 600; }
.rrow.off .pill { opacity: .45; }
.dpanel { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--line2); display: flex; flex-wrap: wrap; align-items: center; gap: 14px; }
.ditems { display: flex; flex-wrap: wrap; margin: 0; flex: 1 1 auto; gap: 8px 0; }
.dit { display: flex; align-items: baseline; gap: 8px; padding: 2px 18px; border-left: 1px solid var(--line2); } .dit:first-child { padding-left: 0; border-left: 0; }
.dit dt { font: 600 12px/1 var(--font); letter-spacing: .04em; text-transform: uppercase; color: var(--mut); } .dit dd { margin: 0; font: var(--hweight) 18px/1 var(--head); color: var(--ink); letter-spacing: 0; }
.dpanel .ruler { flex: 1 1 100%; margin: 14px 0 0; }
.ruler { position: relative; height: 84px; margin: 20px 0 20px; }
.ruler .labels { position: absolute; left: 0; right: 0; top: 0; height: 16px; }
.ruler .labels span { position: absolute; transform: translateX(-50%); font-size: 11.5px; font-weight: 700; line-height: 1; color: var(--mut); }
.ruler .labels span:first-child { transform: none; } .ruler .labels span:last-child { transform: translateX(-100%); }
.ruler .ticks { position: absolute; left: 0; right: 0; bottom: 14px; height: 32px;
  background-image: linear-gradient(90deg, var(--line3) 1px, transparent 1px), linear-gradient(90deg, var(--ink2) 1px, transparent 1px), linear-gradient(90deg, var(--ink) 1.5px, transparent 1.5px);
  background-size: calc(100% / var(--max)) 9px, calc(100% * 5 / var(--max)) 16px, calc(100% * 10 / var(--max)) 30px; background-repeat: repeat-x; background-position: left bottom; opacity: .75; }
.ruler .bar { position: absolute; left: 0; bottom: 0; height: 10px; min-width: 8px; max-width: 100%; border-radius: 0 6px 6px 0; background: linear-gradient(90deg, var(--acc-line), var(--acc) 70%); transition: width .55s cubic-bezier(.2, .85, .2, 1); }
.ruler .bar::after { content: ""; position: absolute; right: -2px; top: 50%; width: 18px; height: 18px; transform: translate(50%, -50%); border-radius: 50%; background: var(--acc); border: 3px solid var(--card); }

/* ---- DPI checker ---- */
.dpad { margin-top: 18px; padding: 24px 22px; display: grid; gap: 8px; place-content: center; text-align: center; min-height: 112px; background: var(--field); border: 1px dashed var(--line3); border-radius: var(--r2); color: var(--ink2); }
.dpad p { margin: 0; max-width: 60ch; } .dpad.on { border-style: solid; border-color: var(--acc-line); }
.dcount { font: var(--hweight) 26px/1.2 var(--head); color: var(--ink); }
.dbtns { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
.dbtns .btn { border: 0; cursor: pointer; } .dbtns .btn:disabled { opacity: .5; cursor: default; }
.dline { margin: 20px 0 0; }

/* ---- mouse test ---- */
.mpad { display: grid; place-items: center; min-height: 320px; background: var(--field); border: 1px dashed var(--line3); border-radius: var(--r2); cursor: default; user-select: none; -webkit-user-select: none; touch-action: none; outline: 0; }
.mpad:focus-visible { border-color: var(--acc); }
.mouse { width: 190px; max-width: 60%; height: auto; }
.mouse .mbody { fill: var(--panel); stroke: var(--line3); stroke-width: 2; }
.mouse .mb { fill: var(--card); stroke: var(--line3); stroke-width: 2; transition: fill .08s; } .mouse .mb.on { fill: var(--acc); stroke: var(--acc-h); }
.mouse .mt { fill: var(--mut); font: 500 9px var(--font); }
.msg-ok { margin: 16px 0 0; color: var(--ink2); min-height: 1.7em; }

/* ---- custom drop-down ---- */
.cf.enh select { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.cf.open { z-index: 30; }
.dd { display: flex; align-items: center; gap: 10px; width: 100%; min-height: 32px; margin-top: 3px; padding: 0 30px 0 0; border: 0; background: transparent var(--chev) no-repeat right 2px center; color: var(--ink); font: 650 19.5px/1.3 var(--font); text-align: left; cursor: pointer; outline: 0; }
.dd[aria-expanded="true"] { background-image: var(--chev-up); }
.dd:disabled { cursor: not-allowed; opacity: .45; }
.dd .nm { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dd .dot, .ddl .dot { flex: none; margin-right: 0; }
.ddl { position: absolute; left: -1px; right: -1px; top: calc(100% + 8px); z-index: 40; margin: 0; padding: 8px; list-style: none; max-height: min(300px, 44vh); overflow-y: auto; overscroll-behavior: contain; background: var(--card); border: 1px solid var(--line3); border-radius: var(--r2); box-shadow: 0 24px 50px -10px rgba(0, 0, 0, .8); text-align: left; animation: ddin .14s ease-out; }
@keyframes ddin { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.ddl li { display: flex; align-items: center; gap: 12px; padding: 8px 12px; border-radius: var(--r); color: var(--ink); font-size: 15.5px; font-weight: 600; cursor: pointer; }
.ddl li .nm { flex: 1; }
.ddl li svg { width: 18px; height: 18px; flex: none; opacity: 0; color: var(--acc); }
.ddl li[aria-selected="true"] { background: var(--acc-soft); color: var(--acc); } .ddl li[aria-selected="true"] svg { opacity: 1; }
.ddl li.on { background: var(--hover); } .ddl li[aria-selected="true"].on { background: var(--acc-soft); }

/* ---- tables ---- */
.scroll { overflow-x: auto; margin-top: 6px; }
.grid { width: 100%; border-collapse: collapse; font-size: 16px; text-align: left; }
.grid th { text-align: left; font: 600 12px/1.3 var(--font); letter-spacing: .04em; text-transform: uppercase; color: var(--mut); padding: 10px 12px; border-bottom: 1px solid var(--line2); white-space: nowrap; }
.grid td { padding: 12px; border-bottom: 1px solid var(--line); color: var(--ink); font-weight: 560; }
.grid td a { color: var(--ink); } .grid td a:hover { color: var(--acc); text-decoration: none; }
.grid tbody tr:hover td { background: var(--hover); }
.grid tr:last-child td { border-bottom: 0; }
.grid .num { text-align: right; white-space: nowrap; } .grid th.num { text-align: right; }
.grid td b { color: var(--acc); font-weight: 750; }
.dot { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 11px; filter: saturate(.5); }
.wrap > .scroll { margin: 22px 0 0; padding: 6px 22px; background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); box-shadow: var(--shadow-s); }
.wrap > .scroll + .hint { }

/* ---- cards, chips, steps, faq ---- */
.chips, .plain { list-style: none; margin: 0; padding: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 10px; }
.chips a { display: inline-flex; align-items: center; padding: 8px 16px; border: 1px solid var(--line2); border-radius: var(--rpill); background: var(--card); color: var(--ink); font-size: 15px; font-weight: 600; transition: all .15s; }
.chips a:hover { border-color: var(--line3); color: var(--ink); background: #25262a; text-decoration: none; }
.fromgroup { margin-bottom: 26px; } .fromgroup:last-child { margin-bottom: 0; }
.plain li { padding: 10px 0; border-bottom: 1px solid var(--line); }
.gcards, .rcards { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); text-align: left; }
.rcard { display: flex; flex-direction: column; padding: 22px; background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); color: var(--ink); box-shadow: var(--shadow-s); transition: border-color .15s, transform .15s, box-shadow .15s; }
.rcard:hover { border-color: var(--line3); background: #25262a; text-decoration: none; color: var(--ink); }
.rcard b { display: block; font: var(--hweight) 17px/1.25 var(--head); letter-spacing: var(--htrack); text-transform: var(--tt); }
.rcard p { margin: 6px 0 0; color: var(--ink2); font-size: 15px; line-height: 1.6; }
.rcards.big { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; } .rcards.big .rcard { padding: 26px; } .rcards.big .rcard b { font-size: 18px; } .rcards.big .rcard p { font-size: 15.5px; margin: 8px 0 20px; }
.rcards .ico { display: grid; place-items: center; width: 52px; height: 52px; margin-bottom: 18px; border-radius: var(--r); background: var(--acc-soft); color: var(--acc); border: 1px solid var(--acc-line); } .rcards .ico svg { width: 25px; height: 25px; }
.rcards.big .rcard:nth-child(2) .ico { background: color-mix(in srgb, var(--acc2) 13%, transparent); color: var(--acc2); border-color: color-mix(in srgb, var(--acc2) 45%, transparent); } .rcards.big .rcard:nth-child(3) .ico { background: color-mix(in srgb, var(--acc3) 13%, transparent); color: var(--acc3); border-color: color-mix(in srgb, var(--acc3) 45%, transparent); }
.rcards.big .rcard:nth-child(2) .go { color: var(--acc2); } .rcards.big .rcard:nth-child(3) .go { color: var(--acc3); }
.go { margin-top: auto; padding-top: 4px; color: var(--acc); font: 600 14.5px var(--font); letter-spacing: 0; text-transform: none; }
.two { display: grid; gap: 16px; grid-template-columns: 1fr 1fr; text-align: left; }
.note { background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); padding: 20px 22px; box-shadow: var(--shadow-s); } .note p { margin: 0; color: var(--ink2); }
/* steps: a plain numbered list with hairlines, not a row of boxes */
.steps { margin: 0; padding: 0; list-style: none; counter-reset: s; max-width: 104ch; text-align: left; border-bottom: 1px solid var(--line); }
.steps li { counter-increment: s; position: relative; padding: 16px 0 16px 44px; border-top: 1px solid var(--line); color: var(--ink2); }
.steps li::before { content: counter(s); position: absolute; left: 0; top: 16px; display: grid; place-items: center; width: 28px; height: 28px; border: 1px solid var(--line3); border-radius: 50%; color: var(--mut); font: 600 13px/1 var(--font); }
.steps b { display: block; color: var(--ink); margin-bottom: 2px; font-size: 16px; font-weight: 600; }
.faq { display: grid; gap: 10px; }
.faq details { background: var(--card); border: 1px solid var(--line2); border-radius: var(--r); padding: 0 20px; transition: border-color .15s; }
.faq details[open] { border-color: var(--acc-line); }
.faq summary { cursor: pointer; color: var(--ink); font-weight: 650; font-size: 17px; list-style: none; padding: 16px 30px 16px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 12px; font: 400 26px/1 var(--font); color: var(--acc); }
.faq details[open] summary::after { content: "\2212"; }
.faq p { margin: 0 0 18px; color: var(--ink2); }
.btn { display: inline-block; padding: 13px 24px; background: var(--acc); color: var(--on-acc); font: 650 15px/1 var(--font); letter-spacing: 0; text-transform: none; border-radius: var(--r); clip-path: var(--cut); transition: background .15s, transform .15s, box-shadow .15s; }
.btn:hover { background: var(--acc-h); color: var(--on-acc); text-decoration: none; }
.btn.ghost { background: transparent; color: var(--ink); box-shadow: inset 0 0 0 1.5px var(--line3); } .btn.ghost:hover { color: var(--acc); box-shadow: inset 0 0 0 1.5px var(--acc); background: var(--acc-soft); }

/* ---- all-tools page ---- */
.toolbar { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 14px 20px; margin-bottom: 22px; text-align: left; }
.toolbar h2 { margin: 0; display: flex; align-items: center; gap: 12px; }
.toolbar h2 small { font: 600 14px var(--font); color: var(--acc); background: var(--acc-soft); border: 1px solid var(--acc-line); border-radius: var(--rpill); padding: 2px 11px; letter-spacing: 0; }
.search { display: none; align-items: center; gap: 10px; flex: 1 1 280px; max-width: 420px; padding: 0 18px; background: var(--field); border: 1px solid var(--line2); border-radius: var(--rpill); transition: box-shadow .15s, border-color .15s; }
.js .search { display: flex; }
.search:focus-within { border-color: var(--acc); box-shadow: 0 0 0 3px var(--acc-soft); }
.search svg { width: 20px; height: 20px; flex: none; color: var(--mut); }
.search input { width: 100%; min-height: 46px; border: 0; background: transparent; color: var(--ink); font: 560 16.5px var(--font); outline: 0; }
.search input::placeholder { color: var(--mut); font-weight: 450; }
.tools { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(min(100%, 330px), 1fr)); text-align: left; }
.trow { display: flex; align-items: center; gap: 14px; padding: 12px 16px 12px 12px; background: var(--card); border: 1px solid var(--line2); border-radius: var(--r2); color: var(--ink); box-shadow: var(--shadow-s); transition: transform .15s, box-shadow .15s, border-color .15s; }
.trow:hover { color: var(--ink); text-decoration: none; border-color: var(--line3); background: #25262a; }
.trow .ti { display: grid; place-items: center; flex: none; width: 46px; height: 46px; border-radius: var(--r); color: #fff; filter: saturate(.45) brightness(.9); }
.trow .ti svg { width: 23px; height: 23px; stroke-width: 2.3; }
.trow .tt { flex: 1; min-width: 0; display: block; }
.trow .tt b { display: block; font: 700 16px/1.25 var(--font); }
.trow .tt small { display: block; margin-top: 2px; font: 500 12px/1.4 var(--font); letter-spacing: .02em; text-transform: uppercase; color: var(--mut); }
.trow .ar { flex: none; display: grid; place-items: center; width: 30px; height: 30px; border-radius: 50%; color: var(--mut); transition: transform .15s, color .15s; } .trow .ar svg { width: 19px; height: 19px; stroke-width: 2.4; }
.trow:hover .ar { transform: translateX(3px); color: var(--acc); }
.empty { margin: 26px 0 0; padding: 22px; max-width: 460px; background: var(--card); border: 1px dashed var(--line3); border-radius: var(--r2); color: var(--ink2); font-weight: 560; }

/* ---- footer ---- */
.foot { margin-top: 90px; padding: 44px 0 30px; text-align: center; background: var(--panel); border-top: 1px solid var(--line2); }
.foot .brand { justify-self: center; margin-bottom: 20px; }
.flinks { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px 26px; margin: 0 0 24px; padding: 0; list-style: none; }
.flinks a { color: var(--ink2); font: 500 14.5px var(--font); letter-spacing: 0; text-transform: none; } .flinks a:hover { color: var(--acc); text-decoration: none; }
.fine { color: var(--mut); font-size: 13.5px; max-width: 70ch; margin: 0 auto; }


/* ---- tablets and phones ---- */
@media (max-width: 900px) {
  .hero-grid { grid-template-columns: 1fr; gap: 36px; } .hero { padding: 50px 0 46px; } .demo { max-width: 460px; }
  .sgrid { grid-template-columns: 1fr 1fr; } .sgrid > div:nth-child(odd) { border-left: 0; padding-left: 0; } .sgrid > div:nth-child(n+3) { border-top: 1px solid var(--line); }
  .hcta { display: none; } .topbar { grid-template-columns: 1fr auto auto; }
}
@media (max-width: 820px) {
  .two { grid-template-columns: 1fr; }
  .conv { padding: 20px 16px 18px; } .cgrid { grid-template-columns: 1fr; gap: 12px; } .cgrid > .c-from, .cgrid > .c-to, .cgrid > .c-fin, .cgrid > .c-tin { grid-column: auto; grid-row: auto; } .swap { position: static; transform: none; margin: -4px auto -4px; width: 40px; height: 40px; }
  .rtools { margin-left: 0; width: 100%; justify-content: flex-end; } .pill { min-width: 0; } .dit { padding: 4px 12px; }
  .block { padding: 48px 0 0; }
}
@media (max-width: 640px) {
  .menu a { padding: 10px 11px; font-size: 13px; letter-spacing: .03em; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .topbar { display: flex; justify-content: space-between; align-items: center; gap: 8px; padding-top: 9px; padding-bottom: 9px; }
  .brand { justify-self: auto; } .brand span { display: none; } .brand svg { width: 38px; height: 38px; }
  .menu { gap: 0; } .menu a::after { left: 10px !important; right: 10px !important; } .menu a { padding-left: 6px; padding-right: 6px; font-size: 13px; white-space: nowrap; } .lang summary { padding: 7px 8px; }
  h1 { font-size: clamp(26px, 7.4vw, 32px); } h2 { font-size: 21px; margin-bottom: 12px; }
  .hero { padding: 36px 0 34px; } .hero h1 { font-size: clamp(29px, 8.4vw, 38px); } .hero .lede { font-size: 16px; }
  .cta { flex-direction: column; } .btn { text-align: center; }
  .demo { padding: 16px; max-width: none; } .demo-row b { font-size: 24px; }
  .stats b { font-size: 25px; } .sgrid > div { padding: 18px 14px; }
  .page-head { padding: 28px 0 2px; } .lede { font-size: 16.5px; }
  .block { padding: 40px 0 0; } .block.tight { padding-top: 22px; }
  .rcards.big .rcard { padding: 20px; } .rcards .ico { width: 46px; height: 46px; margin-bottom: 12px; }
  .chips { gap: 8px; } .chips a { padding: 7px 13px; font-size: 14.5px; }
  .cf { padding: 9px 14px 8px; min-height: 62px; } .pair label { padding: 9px 14px 8px; }
  .pair { grid-auto-flow: row; grid-template-columns: 1fr 1fr; } .pair .fovl { grid-column: 1 / -1; border-left: 0 !important; border-top: 1px solid var(--line2); } .c-tin label:first-child { grid-column: 1 / -1; }
  .rrow { margin-top: 20px; gap: 12px; } .rlabel { width: 100%; }
  .pill b { font-size: 26px; } .rtools { width: auto; margin-left: auto; }
  .dpanel { gap: 10px; } .dit { width: 50%; padding: 4px 8px 4px 0; border-left: 0; } .dit:nth-child(even) { padding-left: 12px; border-left: 1px solid var(--line2); }
  .ruler { margin-top: 10px; }
  .ddl { max-height: min(380px, 52vh); } .menuwrap { position: static; } .menu2 { right: 0; }
  .wrap > .scroll { padding: 4px 12px; } .wrap > .scroll .grid { font-size: 14.5px; } .wrap > .scroll .grid th { white-space: normal; padding: 8px 6px; font-size: 11px; line-height: 1.25; } .wrap > .scroll .grid td { padding: 10px 6px; }
  .note { padding: 16px 18px; } .faq summary { font-size: 16px; }
  .toolbar { flex-direction: column; align-items: stretch; } .search { max-width: none; flex-basis: auto; }
  .tools { grid-template-columns: 1fr; gap: 12px; } .trow { padding: 10px 14px 10px 10px; } .trow .ti { width: 44px; height: 44px; }
  .foot { margin-top: 56px; padding: 34px 0 24px; } .flinks { gap: 8px 20px; }
}

@media (prefers-reduced-motion: reduce) { * { transition: none !important; scroll-behavior: auto !important; animation: none !important; } }

/* ---- social icons (filled in by social.js from assets/social.json) ---- */
.socials { display: flex; flex-wrap: wrap; justify-content: center; gap: 10px; margin: 0 0 22px; }
.socials[hidden] { display: none; }
.soc { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line2); border-radius: var(--r); color: var(--ink2); transition: background .15s, color .15s; }
.soc:hover { background: var(--hover); color: var(--acc); text-decoration: none; }
.soc svg { width: 18px; height: 18px; fill: currentColor; }

/* ---- author line, sensitivity finder ---- */
.byline { margin: 14px 0 0; color: var(--mut); font-size: 13.5px; }
.byline a { color: var(--ink2); text-decoration: underline; text-underline-offset: 3px; } .byline a:hover { color: var(--acc); }
.psa { margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.psa[hidden] { display: none; }
.psa-round { margin: 0 0 10px; color: var(--mut); font: 650 12.5px/1 var(--font); letter-spacing: .08em; text-transform: uppercase; }
.psa-ask { margin: 14px 0 12px; color: var(--ink2); }