/* Self-hosted so no visitor data reaches a third party.
   Archivo (OFL) and IBM Plex Sans/Mono (OFL) — licences in /lib/. */
@font-face{font-family:'Archivo';src:url('/fonts/archivo-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'Archivo';src:url('/fonts/archivo-700.woff2') format('woff2');
  font-weight:700;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/plexsans-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/plexsans-500.woff2') format('woff2');
  font-weight:500;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Sans';src:url('/fonts/plexsans-600.woff2') format('woff2');
  font-weight:600;font-style:normal;font-display:swap}
@font-face{font-family:'IBM Plex Mono';src:url('/fonts/plexmono-400.woff2') format('woff2');
  font-weight:400;font-style:normal;font-display:swap}

/* jpg-heic.com — light professional system */

:root{
  --ink:#141A21;
  --head:#1B232C;
  --body:#4C5966;
  --mute:#66717C;
  --faint:#697582;

  --line:#E7EBEF;
  --line-2:#F1F4F6;
  --bg:#FFFFFF;
  --bg-2:#FAFBFC;
  --bg-3:#F4F7F9;

  --accent:#186F8C;
  --accent-2:#E9F4F8;
  --accent-3:#146781;

  --heic:#3E93AE;
  --jpg:#C79433;
  --png:#5A9057;
  --webp:#7A72A4;
  --pdf:#B4574A;
  --heif:#3A8195;

  --ok:#3F8961;
  --warn:#A97C2E;

  --f-disp:'Archivo',system-ui,sans-serif;
  --f-body:'IBM Plex Sans',system-ui,sans-serif;
  --f-mono:'IBM Plex Mono',ui-monospace,monospace;

  --r:8px;
  --wrap:1140px;
  --shadow:0 1px 2px rgba(20,26,33,.04);
  --shadow-2:0 2px 4px rgba(20,26,33,.04),0 12px 28px -16px rgba(20,26,33,.14);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--bg);color:var(--body);
  font-family:var(--f-body);font-size:16.5px;line-height:1.72;font-weight:400;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
/* Links in running text are underlined, so they are never identified by colour
   alone (WCAG 1.4.1). Scoped to main so nav, tiles and buttons stay clean. */
main p a,main li a,main dd a,main dt a,main td a,main blockquote a,
main .callout a,main .summary a,main .faq a{
  text-decoration:underline;text-underline-offset:2px;
  text-decoration-thickness:1px;text-decoration-color:rgba(24,111,140,.45)}
main p a:hover,main li a:hover,main dd a:hover,main td a:hover,
main .callout a:hover{text-decoration-color:currentColor}
main a.tile,main a.btn,.seq a{text-decoration:none}
a:hover{color:var(--accent-3);text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:3px}

h2[id],h3[id],section[id]{scroll-margin-top:78px}
h1,h2,h3,h4{font-family:var(--f-disp);color:var(--head);line-height:1.2;letter-spacing:-.018em;font-weight:700}
h1{font-size:clamp(1.85rem,3.6vw,2.65rem);letter-spacing:-.026em;margin:0 0 .5em;line-height:1.14}
h2{font-size:clamp(1.28rem,2vw,1.55rem);margin:2.6em 0 .65em}
h3{font-size:1.05rem;margin:2em 0 .4em;letter-spacing:-.008em}
p{margin:0 0 1.15em;overflow-wrap:break-word}
code,kbd,.mono{font-family:var(--f-mono);font-size:.85em}
code{background:var(--bg-3);padding:.14em .4em;border-radius:4px;color:#2C3B47;font-weight:450;overflow-wrap:anywhere}
p > code:only-child{display:block;padding:12px 14px;margin:.3em 0;background:var(--bg-2);border:1px solid var(--line);border-radius:7px;overflow-x:auto;white-space:pre;overflow-wrap:normal;line-height:1.65;font-size:.82rem;-webkit-overflow-scrolling:touch}
kbd{background:var(--bg);border:1px solid var(--line);border-bottom-width:2px;border-radius:5px;padding:.12em .42em;font-size:.78em;color:var(--head)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.top{position:sticky;top:0;z-index:60;background:rgba(255,255,255,.9);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top-in{display:flex;align-items:center;gap:26px;height:62px;max-width:var(--wrap);margin:0 auto;padding:0 24px}
.brand{display:flex;align-items:center;gap:9px;font-family:var(--f-disp);font-weight:700;font-size:1rem;letter-spacing:-.028em;color:var(--head);white-space:nowrap}
.brand:hover{color:var(--head);text-decoration:none}
.brand em{font-style:normal;color:#677688}
.chip{display:grid;grid-template-columns:repeat(2,6px);grid-template-rows:repeat(2,6px);gap:2px}
.chip i{display:block;border-radius:1px}
.chip i:nth-child(1){background:var(--heic)}
.chip i:nth-child(2){background:var(--jpg)}
.chip i:nth-child(3){background:var(--png)}
.chip i:nth-child(4){background:var(--webp)}
.nav{display:flex;gap:22px;margin-left:auto;font-family:var(--f-body);font-size:.87rem;font-weight:500}
.nav a{color:var(--body)}
.nav a:hover{color:var(--accent);text-decoration:none}
.nav a[aria-current]{color:var(--head);font-weight:600}
.menu-btn{display:none;margin-left:auto;background:var(--bg);border:1px solid var(--line);border-radius:7px;padding:7px 12px;font-family:var(--f-body);font-weight:500;font-size:.82rem;cursor:pointer;color:var(--head)}
@media(max-width:820px){
  .nav{display:none;position:absolute;top:62px;left:0;right:0;background:var(--bg);flex-direction:column;gap:0;padding:4px 24px 14px;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2)}
  .nav.open{display:flex}
  .nav a{padding:12px 0;border-bottom:1px solid var(--line-2);font-size:.95rem}
  .menu-btn{display:block}
}

/* ---------- hero ---------- */
.hero{padding:66px 0 20px}
.hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.04fr);
  grid-template-areas:"head tool" "sub tool";gap:0 60px;align-items:start}
.hero-head{grid-area:head}
.hero-tool{grid-area:tool}
.hero-sub{grid-area:sub}
.hero-head h1{margin-bottom:.42em}
@media(max-width:940px){
  .hero-grid{grid-template-columns:minmax(0,1fr);grid-template-areas:"head" "tool" "sub";gap:24px}
  .hero{padding:32px 0 8px}
  .hero-head h1{margin-bottom:0}
}
.eyebrow{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 16px;font-weight:500}
.lede{font-size:1.07rem;color:var(--body);max-width:47ch;line-height:1.7}
.badges{list-style:none;padding:0;margin:26px 0 0;display:flex;flex-wrap:wrap;gap:7px}
.badges li{font-size:.8rem;font-weight:500;color:var(--body);background:var(--bg-2);border:1px solid var(--line);border-radius:999px;padding:5px 13px}
.badges li::before{content:"";display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--ok);margin-right:7px;vertical-align:2px}

/* ---------- converter ---------- */
.tool{background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow-2);overflow:hidden}
.tool-head{display:flex;align-items:center;gap:10px;padding:14px 18px;border-bottom:1px solid var(--line-2)}
.tool-head b{font-family:var(--f-disp);font-size:.92rem;color:var(--head);letter-spacing:-.012em}
.flow{margin-left:auto;font-family:var(--f-mono);font-size:.72rem;color:var(--faint);display:flex;align-items:center;gap:6px}
.tag{font-family:var(--f-mono);font-size:.66rem;font-weight:500;letter-spacing:.05em;text-transform:uppercase;color:#fff;padding:3px 7px;border-radius:3px;background:var(--mute)}
.tag.heic{background:#357D94}.tag.jpg{background:#8A6724}.tag.png{background:#4C7B49}
.tag.webp{background:#6F669B}.tag.pdf{background:#A94F42}.tag.heif{background:#357588}
.tag.avif{background:#7A5F91}

.drop{position:relative;margin:18px;border:1.5px dashed #D3DAE0;border-radius:10px;background:var(--bg-2);padding:34px 20px 30px;text-align:center;cursor:pointer;transition:border-color .16s,background .16s}
.drop:hover,.drop.hot{border-color:var(--accent);background:var(--accent-2)}
.card{display:flex;justify-content:center;gap:5px;margin:0 auto 18px}
.card span{width:24px;height:24px;border-radius:4px;opacity:.34;transition:opacity .4s ease}
.card .p0{background:#3E93AE}.card .p1{background:#C79433}.card .p2{background:#5A9057}
.card .p3{background:#7A72A4}.card .p4{background:#B4574A}.card .p5{background:#3A8195}
.drop:hover .card span,.drop.hot .card span,.tool.live .card span{opacity:1}
.tool.live .card .p0{transition-delay:0ms}.tool.live .card .p1{transition-delay:40ms}
.tool.live .card .p2{transition-delay:80ms}.tool.live .card .p3{transition-delay:120ms}
.tool.live .card .p4{transition-delay:160ms}.tool.live .card .p5{transition-delay:200ms}
.drop .drop-title{font-family:var(--f-disp);font-weight:700;font-size:1rem;margin:0 0 5px;color:var(--head)}
.drop p{font-size:.87rem;color:var(--mute);margin:0}
.drop input{position:absolute;inset:0;opacity:0;cursor:pointer}

.opts{display:flex;flex-wrap:wrap;gap:18px;align-items:center;padding:0 18px 16px;font-size:.83rem;color:var(--body)}
.opts label{display:flex;align-items:center;gap:8px;font-weight:500}
.opts select{font:inherit;font-family:var(--f-body);padding:6px 10px;border:1px solid var(--line);border-radius:6px;background:var(--bg);color:var(--head)}
.opts input[type=range]{width:112px;accent-color:var(--accent)}
.opts output{font-family:var(--f-mono);font-size:.78rem;color:var(--head);min-width:34px}

.rows{border-top:1px solid var(--line-2)}
.rows:empty{border-top:0}
.row{display:grid;grid-template-columns:1fr auto auto;gap:14px;align-items:center;padding:13px 18px;border-bottom:1px solid var(--line-2);font-size:.88rem}
.row:last-child{border-bottom:0}
.row .nm{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500;font-size:.87rem;color:var(--head)}
.row .meta{font-family:var(--f-mono);font-size:.72rem;color:var(--mute);display:block;font-weight:400}
.row .st{font-family:var(--f-mono);font-size:.72rem;color:var(--faint)}
.row .st.done{color:var(--ok)}.row .st.err{color:var(--pdf)}
.bar{height:2px;background:var(--line-2);border-radius:2px;overflow:hidden;margin-top:7px}
.bar i{display:block;height:100%;width:0;background:var(--accent);transition:width .25s}

.btn{font-family:var(--f-body);font-weight:600;font-size:.85rem;border:1px solid transparent;border-radius:7px;padding:9px 16px;background:var(--accent);color:#fff;cursor:pointer;display:inline-block;white-space:nowrap;transition:background .15s}
.btn:hover{background:var(--accent-3);color:#fff;text-decoration:none}
.btn.sm{padding:6px 12px;font-size:.79rem}
.btn.ghost{background:var(--bg);color:var(--head);border-color:var(--line)}
.btn.ghost:hover{background:var(--bg-2);color:var(--head);border-color:#D8DEE4}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.tool-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;padding:14px 18px;border-top:1px solid var(--line-2);background:var(--bg-2)}
.tool-foot .note{font-family:var(--f-mono);font-size:.71rem;color:var(--faint);margin-left:auto}
.hide{display:none!important}
.alert{margin:0 18px 16px;padding:11px 14px;border-radius:8px;font-size:.86rem;background:#FDF8EE;border:1px solid #EFE1C6;color:#7A5A20}

/* ---------- sections ---------- */
.sec{padding:58px 0}
.sec-alt{background:var(--bg-2);border-block:1px solid var(--line)}
.kicker{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--faint);margin:0 0 10px;font-weight:500}
.sec h2:first-of-type{margin-top:0}
.prose{max-width:70ch}
.prose h2:first-of-type{margin-top:0}

.grid{display:grid;gap:12px}
.g3{grid-template-columns:repeat(3,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:860px){.g3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.g3,.g2{grid-template-columns:1fr}}

.tile{display:block;background:var(--bg);border:1px solid var(--line);border-radius:var(--r);padding:16px 17px;color:var(--head);transition:border-color .15s,box-shadow .15s}
.tile:hover{border-color:#CFD9E0;box-shadow:var(--shadow-2);color:var(--head);text-decoration:none}
.tile b{font-family:var(--f-disp);font-size:.94rem;display:flex;align-items:center;gap:8px;letter-spacing:-.01em;font-weight:600}
.tile b::before{content:"";width:6px;height:6px;border-radius:2px;background:var(--mute);flex:none}
.tile span{font-size:.85rem;color:var(--mute);display:block;margin-top:5px;line-height:1.55}
.tile.heic b::before{background:var(--heic)}.tile.jpg b::before{background:var(--jpg)}
.tile.png b::before{background:var(--png)}.tile.webp b::before{background:var(--webp)}
.tile.pdf b::before{background:var(--pdf)}.tile.heif b::before{background:var(--heif)}

.steps{counter-reset:s;list-style:none;padding:0;margin:1.4em 0}
.steps li{counter-increment:s;position:relative;padding-left:42px;margin-bottom:22px}
.steps li::before{content:counter(s);position:absolute;left:0;top:1px;font-family:var(--f-mono);font-size:.76rem;color:var(--accent);background:var(--accent-2);border-radius:50%;width:26px;height:26px;display:grid;place-items:center;font-weight:500}
.steps b{font-family:var(--f-disp);display:block;font-size:.99rem;color:var(--head);margin-bottom:3px}
.steps p{margin:0 0 .7em}

.tw{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.5em 0;max-width:100%}
.tw:focus-visible,pre.cmd:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.tw table{margin:0}
table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.89rem}
th,td{text-align:left;padding:9px 13px;border-bottom:1px solid var(--line);vertical-align:top;line-height:1.5}
th{font-family:var(--f-disp);font-size:.8rem;font-weight:600;color:var(--head);background:var(--bg-2);letter-spacing:.005em}
td b{color:var(--head);font-weight:600}
td:first-child{color:var(--head);font-weight:500}
tbody tr:hover td{background:var(--bg-2)}
.mono{font-family:var(--f-mono);font-size:.85em;color:var(--head)}

blockquote{margin:1.5em 0;padding:2px 0 2px 18px;border-left:2px solid var(--accent);color:var(--body)}
.callout{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:17px 19px;margin:1.7em 0;font-size:.94rem}
.callout p:last-child{margin-bottom:0}
.callout b{color:var(--head);font-weight:600}
.callout.warn{background:#FDFAF3;border-color:#EEE4CE}

ul.plain{list-style:none;padding:0;margin:1.2em 0}
ul.plain li{padding-left:18px;position:relative;margin-bottom:10px}
ul.plain li::before{content:"";position:absolute;left:0;top:.68em;width:5px;height:5px;border-radius:50%;background:var(--accent);opacity:.6}
ul.plain li b{color:var(--head);font-weight:600}

/* ---------- article ---------- */
.art{display:grid;grid-template-columns:minmax(0,1fr) 210px;gap:60px;padding:38px 0 60px;align-items:start}
.art-main{min-width:0}
@media(max-width:960px){.art{grid-template-columns:minmax(0,1fr);gap:0;padding-top:26px}.rail{display:none}}
.art-main{max-width:70ch}
.rail{position:sticky;top:86px;font-size:.85rem}
.rail b{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.11em;text-transform:uppercase;color:var(--faint);display:block;margin-bottom:10px;font-weight:500}
.rail a{display:block;padding:6px 0 6px 12px;border-left:1.5px solid var(--line);color:var(--mute);line-height:1.4}
.rail a:hover{border-left-color:var(--accent);color:var(--head);text-decoration:none}
.crumbs{font-size:.79rem;color:var(--faint);padding:18px 0 0}
.crumbs a{color:var(--mute);text-decoration:underline;text-underline-offset:2px;text-decoration-color:rgba(102,113,124,.5)}
.crumbs a:hover{color:var(--accent);text-decoration-color:currentColor}
.crumbs span{margin:0 7px;color:#CBD3DA}
.meta-line{font-family:var(--f-mono);font-size:.72rem;color:var(--faint);margin:-.3em 0 1.7em;padding-bottom:1.2em;border-bottom:1px solid var(--line)}
.art-main h1{font-size:clamp(1.7rem,3.2vw,2.3rem)}
.summary{font-size:1.06rem;color:var(--body);line-height:1.68}

.faq dt{font-family:var(--f-disp);font-weight:600;font-size:.99rem;color:var(--head);margin:1.7em 0 .35em}
.faq dd{margin:0;color:var(--body)}

.cta-strip{background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:22px 24px;display:flex;flex-wrap:wrap;gap:18px;align-items:center;margin:2.8em 0 1.2em}
.cta-strip h3{margin:0 0 3px;font-size:1.06rem}
.cta-strip p{margin:0;color:var(--mute);font-size:.9rem}
.cta-strip .btn{margin-left:auto}
@media(max-width:560px){.cta-strip .btn{margin-left:0}}

/* ---------- listings ---------- */
.listing{list-style:none;padding:0;margin:0}
.listing li{border-bottom:1px solid var(--line-2);padding:13px 0}
.listing li:last-child{border-bottom:0}
.listing a{font-family:var(--f-disp);font-weight:600;font-size:.96rem;color:var(--head)}
.listing a:hover{color:var(--accent);text-decoration:none}
.listing p{margin:3px 0 0;font-size:.87rem;color:var(--mute)}

.tool-wrap{margin:0 0 34px}
.push-right{margin-left:auto}
.mt0{margin-top:0}
.note-sm{font-size:.8rem;color:var(--mute)}
.narrow{max-width:64ch;color:var(--body)}

/* ---------- contact ---------- */
.contact-card{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:0 0 2.2em}
.contact-card .kicker{margin-bottom:8px}
.contact-card p:last-child{margin:10px 0 0;color:var(--mute);font-size:.92rem}
a.mailto{font-family:var(--f-disp);font-weight:700;font-size:clamp(1.1rem,2.6vw,1.4rem);letter-spacing:-.02em;color:var(--head);word-break:break-all}
a.mailto:hover{color:var(--accent);text-decoration:none}

/* ---------- footer ---------- */
.foot{background:var(--bg-2);border-top:1px solid var(--line);padding:52px 0 28px;font-size:.87rem;color:var(--mute)}
.foot .foot-h{color:var(--head);font-size:.72rem;font-family:var(--f-mono);font-weight:500;letter-spacing:.11em;text-transform:uppercase;margin:0 0 13px}
.foot a{color:var(--body);display:block;padding:4px 0}
.foot a:hover{color:var(--accent);text-decoration:none}
.foot-grid{display:grid;grid-template-columns:1.15fr repeat(4,minmax(0,1fr));gap:32px}
@media(max-width:1000px){.foot-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}}
@media(max-width:800px){.foot-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}
.foot-mail{font-family:var(--f-mono);font-size:.77rem;margin-top:12px;word-break:break-all;color:var(--accent)!important}
.foot-bot{border-top:1px solid var(--line);margin-top:36px;padding-top:20px;display:flex;flex-wrap:wrap;gap:12px;font-size:.78rem;color:var(--faint)}
.foot-bot a{display:inline;color:var(--faint)}

.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:0;background:var(--head);color:#fff;padding:10px 15px;z-index:99;border-radius:0 0 7px 0}
.skip:focus{left:0;color:#fff}

/* ==================== responsive refinement ==================== */

/* Tablet — 700px to 1000px */
@media(max-width:1000px){
  :root{--wrap:100%}
  .top-in,.wrap{padding-left:22px;padding-right:22px}
  .art{gap:44px}
}
@media(min-width:961px) and (max-width:1100px){
  .art{grid-template-columns:minmax(0,1fr) 180px;gap:38px}
  .rail{font-size:.81rem}
}
@media(max-width:960px){
  .hero{padding:34px 0 4px}
  .sec{padding:46px 0}
  h2{margin:2.2em 0 .6em}
  .art{padding-bottom:48px}
}

/* Phone — up to 700px */
@media(max-width:700px){
  body{font-size:16px;line-height:1.68}
  .wrap,.top-in{padding-left:18px;padding-right:18px}
  .hero{padding:26px 0 0}
  .hero-grid{gap:26px}
  .sec{padding:38px 0}
  h1{font-size:clamp(1.6rem,7vw,2rem);letter-spacing:-.022em}
  h2{font-size:1.22rem;margin:2em 0 .55em}
  h3{font-size:1.02rem}
  .lede,.summary{font-size:1rem}
  .badges{gap:6px;margin-top:20px}
  .badges li{font-size:.76rem;padding:4px 11px}

  /* converter fits the screen and stays thumb-friendly */
  .tool{border-radius:10px}
  .drop{margin:14px;padding:26px 14px 24px}
  .card span{width:22px;height:22px}
  .drop .drop-title{font-size:.96rem}
  .drop p{font-size:.83rem}
  .opts{padding:0 14px 14px;gap:12px 16px}
  .opts label{font-size:.84rem}
  .opts input[type=range]{width:100%;min-width:120px;flex:1}
  .opts label:has(input[type=range]){flex:1 1 100%}
  .tool-head,.tool-foot{padding:12px 14px}
  .row{padding:12px 14px;grid-template-columns:1fr auto;gap:10px}
  .row .act{grid-column:2;grid-row:1}
  .row .st{grid-column:1;grid-row:2;margin-top:-4px}
  .alert{margin:0 14px 14px}

  /* content blocks */
  .steps li{padding-left:36px;margin-bottom:19px}
  .steps li::before{width:24px;height:24px;font-size:.72rem}
  .callout{padding:15px 16px;font-size:.92rem}
  .cta-strip{padding:19px;gap:14px}
  .cta-strip .btn{width:100%;text-align:center}
  .art{padding:24px 0 44px}
  .meta-line{margin-bottom:1.4em;padding-bottom:1em}
  .grid{gap:10px}
  .tile{padding:14px 15px}

  /* tables scroll, with an edge hint so it is obvious */
  .tw{margin:1.3em 0;border:1px solid var(--line);border-radius:var(--r);
      background:linear-gradient(to right,var(--bg) 30%,rgba(255,255,255,0)),
                 linear-gradient(to right,rgba(255,255,255,0),var(--bg) 70%) 100% 0,
                 linear-gradient(to right,rgba(20,26,33,.08),rgba(255,255,255,0)),
                 linear-gradient(to left,rgba(20,26,33,.08),rgba(255,255,255,0)) 100% 0;
      background-repeat:no-repeat;background-size:40px 100%,40px 100%,14px 100%,14px 100%;
      background-attachment:local,local,scroll,scroll}
  .tw table{font-size:.85rem;min-width:440px}
  .tw th,.tw td{padding:9px 11px}
  table{font-size:.85rem}

  /* footer */
  .foot{padding:38px 0 22px}
  .foot-grid{gap:26px}
  .foot-bot{margin-top:26px;flex-direction:column;gap:6px}
  .foot-bot span:last-child{margin-left:0!important}
}

@media(max-width:400px){
  .wrap,.top-in{padding-left:15px;padding-right:15px}
  .card{gap:4px}
  .card span{width:20px;height:20px}
  .tool-foot .note{flex:1 1 100%;margin-left:0;text-align:left}
  .crumbs{font-size:.75rem}
}

/* Touch devices: never let iOS zoom on focus, keep targets thumb-sized */
@media(pointer:coarse){
  .opts select,.opts input,select,input,textarea{font-size:16px}
  .opts select{padding:8px 11px}
  .btn{padding:11px 18px;min-height:44px}
  .btn.sm{padding:9px 14px;min-height:38px}
  .nav a{padding:14px 0}
  .menu-btn{min-height:40px;padding:9px 14px}
  .foot a{padding:7px 0}
  .listing a{display:inline-block;padding:2px 0}
  .rail a{padding:8px 0 8px 12px}
}

/* ---------- section sequence ---------- */
.seq{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:2.6em 0 0;
  padding-top:22px;border-top:1px solid var(--line)}
.seq a{display:block;padding:13px 16px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--bg);color:var(--head);transition:border-color .15s,box-shadow .15s}
.seq a:hover{border-color:#CFD9E0;box-shadow:var(--shadow-2);text-decoration:none}
.seq span{display:block;font-family:var(--f-mono);font-size:.68rem;letter-spacing:.11em;
  text-transform:uppercase;color:var(--faint);margin-bottom:4px}
.seq b{font-family:var(--f-disp);font-size:.94rem;font-weight:600;letter-spacing:-.01em}
.seq-next{text-align:right;grid-column:2}
.seq-prev{grid-column:1}
@media(max-width:560px){.seq{grid-template-columns:1fr}
  .seq-next,.seq-prev{grid-column:1;text-align:left}}

/* ---------- 404 ---------- */
.nf{padding:70px 0 40px;max-width:64ch}
.nf .code{font-family:var(--f-mono);font-size:.8rem;letter-spacing:.14em;color:var(--faint);
  text-transform:uppercase;margin:0 0 14px}
@media(max-width:700px){.nf{padding:40px 0 20px}}

/* ---------- content figures ---------- */
figure{margin:1.9em 0}
figure img{display:block;width:100%;height:auto;border:1px solid var(--line);
  border-radius:var(--r);background:#fff}
figcaption{font-size:.85rem;color:var(--mute);margin-top:9px;line-height:1.5}