/* ============================================================================
   colordetector.click — design system v4
   A premium, Linear/Figma-grade visual system. Markup-compatible with v3.
   Primary typeface: Inter · Data: JetBrains Mono
   ========================================================================== */

/* ---- tokens -------------------------------------------------------------- */
:root{
  /* surface ladder (dark) */
  --bg:#080B10;
  --ink:#0B0F14;
  --panel:#11161F;
  --panel-2:#171E29;
  --panel-3:#1E2733;
  --line:#222C38;
  --line-soft:#1A222D;
  --hairline:rgba(255,255,255,.06);
  --text:#EAEFF5;
  --text-2:#B7C2CF;
  --muted:#7E8C9B;
  --paper:#F5F7FA;

  /* brand + accent */
  --brand-a:#6EE7B7; --brand-b:#3B82F6; --brand-c:#A855F7;
  --accent:#3B82F6;
  --accent-2:#60A5FA;
  --accent-ink:#06101F;
  --accent-soft:color-mix(in srgb,var(--accent) 14%,transparent);
  --ok:#34D399; --warn:#FBBF24; --bad:#F87171;

  /* radii ladder */
  --r-xs:8px; --r-sm:12px; --r-md:16px; --r-lg:22px; --r-pill:999px;
  --radius:16px; --radius-sm:12px;            /* legacy aliases */

  /* spacing scale */
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px;
  --s-7:48px; --s-8:64px; --s-9:96px;
  --gap:clamp(16px,2.4vw,26px);
  --maxw:1200px;

  /* shadows (layered) */
  --shadow-sm:0 1px 2px rgba(0,0,0,.4);
  --shadow:0 8px 30px -10px rgba(0,0,0,.55), 0 2px 8px -4px rgba(0,0,0,.5);
  --shadow-lg:0 24px 60px -20px rgba(0,0,0,.65), 0 8px 24px -12px rgba(0,0,0,.55);
  --shadow-accent:0 10px 34px -12px color-mix(in srgb,var(--accent) 60%,transparent);
  --ring:0 0 0 1px var(--hairline) inset;

  /* motion */
  --ease:cubic-bezier(.4,0,.2,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.14s; --t:.22s; --t-slow:.4s;

  /* fonts */
  --font-display:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-body:"Inter",ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;
}
[data-theme="light"]{
  --bg:#EEF1F6;
  --ink:#F5F7FA;
  --panel:#FFFFFF;
  --panel-2:#F4F7FB;
  --panel-3:#EAEEF4;
  --line:#E2E8F0;
  --line-soft:#EAEEF3;
  --hairline:rgba(2,6,23,.05);
  --text:#0B1220;
  --text-2:#33415A;
  --muted:#5A6675;
  --accent-ink:#FFFFFF;
  --shadow-sm:0 1px 2px rgba(15,23,42,.06);
  --shadow:0 10px 30px -14px rgba(15,23,42,.22), 0 2px 8px -4px rgba(15,23,42,.08);
  --shadow-lg:0 28px 60px -24px rgba(15,23,42,.28), 0 8px 24px -16px rgba(15,23,42,.16);
  --ring:0 0 0 1px var(--hairline) inset;
}

/* ---- reset / base -------------------------------------------------------- */
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:88px}
body{
  margin:0;background:var(--bg);color:var(--text);
  font-family:var(--font-body);font-size:16px;line-height:1.65;
  font-feature-settings:"cv02","cv03","cv04","cv11","ss01";
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:
    radial-gradient(70vw 48vw at 82% -12%,color-mix(in srgb,var(--brand-c) 16%,transparent),transparent 60%),
    radial-gradient(56vw 42vw at -12% 8%,color-mix(in srgb,var(--brand-b) 15%,transparent),transparent 58%);
  background-attachment:fixed;min-height:100vh;overflow-x:clip;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
::selection{background:color-mix(in srgb,var(--accent) 40%,transparent);color:var(--text)}

/* typography hierarchy */
h1,h2,h3,h4{font-family:var(--font-display);margin:0 0 .5em;letter-spacing:-.022em;line-height:1.12;font-weight:700}
h1{font-size:clamp(2.1rem,4.6vw,3.4rem);font-weight:800;letter-spacing:-.035em}
h2{font-size:clamp(1.45rem,2.8vw,2.05rem);font-weight:700;letter-spacing:-.028em}
h3{font-size:1.075rem;font-weight:650;letter-spacing:-.015em}
p{margin:0 0 1em;color:var(--text-2)}
strong{color:var(--text);font-weight:650}
small{font-size:.82rem}
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(18px,4vw,36px)}
.mono{font-family:var(--font-mono);font-feature-settings:normal}
.skip{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;left:0;top:0}
.skip:focus{width:auto;height:auto;clip:auto;overflow:visible;left:14px;top:14px;background:var(--accent);color:var(--accent-ink);padding:10px 16px;border-radius:var(--r-xs);z-index:100;font-weight:600}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

/* ---- header -------------------------------------------------------------- */
.site-head{position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 72%,transparent);
  backdrop-filter:saturate(160%) blur(18px);-webkit-backdrop-filter:saturate(160%) blur(18px);
  border-bottom:1px solid var(--hairline);
  transition:border-color var(--t),background var(--t)}
.site-head::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;
  background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 35%,transparent),transparent);opacity:.5}
.head-row{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:11px;font-family:var(--font-display);
  font-weight:800;font-size:1.16rem;letter-spacing:-.03em;flex:none}
.brand-mark{width:28px;height:28px;border-radius:9px;position:relative;flex:none;
  background:url("/assets/images/logo-mark.svg") center/contain no-repeat;
  transition:transform var(--t-slow) var(--ease-out)}
.brand:hover .brand-mark{transform:scale(1.07)}
.brand-name{color:var(--text)}
.brand-name b{font-weight:800;background:linear-gradient(120deg,var(--brand-b),var(--brand-c));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}

.mainnav{display:flex;gap:2px;align-items:center;margin-left:6px}
.mainnav a,.mainnav .mega-trigger{position:relative;padding:9px 13px;border-radius:10px;
  color:var(--muted);font-weight:550;font-size:.93rem;letter-spacing:-.01em;
  transition:color var(--t-fast),background var(--t-fast);background:none;border:0;cursor:pointer;font-family:inherit}
.mainnav a:hover,.mainnav .mega-trigger:hover{color:var(--text);background:color-mix(in srgb,var(--panel-2) 70%,transparent)}
.mainnav a[aria-current]{color:var(--text)}
.mainnav a[aria-current]::after{content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand-b),var(--brand-c))}
.mega-trigger{display:inline-flex;align-items:center;gap:6px}
.mega-trigger svg{transition:transform var(--t)}
.has-mega.open .mega-trigger svg{transform:rotate(180deg)}

.head-actions{margin-left:auto;display:flex;gap:10px;align-items:center}
.icon-btn{width:42px;height:42px;display:grid;place-items:center;border:1px solid var(--line);
  background:color-mix(in srgb,var(--panel) 80%,transparent);color:var(--text-2);border-radius:12px;
  cursor:pointer;transition:all var(--t-fast);box-shadow:var(--ring)}
.icon-btn:hover{border-color:color-mix(in srgb,var(--accent) 55%,var(--line));color:var(--text);
  transform:translateY(-1px);box-shadow:var(--ring),var(--shadow-sm)}
.icon-btn:active{transform:translateY(0)}
.menu-btn{display:none}

/* header search */
.head-search{position:relative;display:flex;align-items:center}
.head-search svg{position:absolute;left:13px;color:var(--muted);pointer-events:none;transition:color var(--t-fast)}
.head-search input{width:210px;background:color-mix(in srgb,var(--panel) 80%,transparent);
  border:1px solid var(--line);color:var(--text);border-radius:12px;
  padding:10px 14px 10px 38px;font-size:.9rem;font-family:inherit;
  box-shadow:var(--ring);transition:all var(--t)}
.head-search input::placeholder{color:var(--muted)}
.head-search input:focus{outline:none;width:260px;border-color:color-mix(in srgb,var(--accent) 60%,var(--line));
  box-shadow:var(--ring),0 0 0 4px var(--accent-soft)}
.head-search input:focus + svg,.head-search:focus-within svg{color:var(--accent)}

/* mega menu */
.has-mega{position:relative}
.mega{position:absolute;top:calc(100% + 14px);left:50%;
  transform:translateX(-50%) translateY(10px) scale(.98);transform-origin:top center;
  width:min(720px,92vw);background:color-mix(in srgb,var(--panel) 86%,transparent);
  backdrop-filter:blur(20px) saturate(160%);-webkit-backdrop-filter:blur(20px) saturate(160%);
  border:1px solid var(--hairline);border-radius:var(--r-lg);
  box-shadow:var(--shadow-lg),var(--ring);padding:22px;
  opacity:0;visibility:hidden;transition:all var(--t) var(--ease-out);z-index:60}
.has-mega.open .mega{opacity:1;visibility:visible;transform:translateX(-50%) translateY(0) scale(1)}
.mega::before{content:"";position:absolute;top:-7px;left:50%;width:14px;height:14px;
  transform:translateX(-50%) rotate(45deg);background:inherit;
  border-left:1px solid var(--hairline);border-top:1px solid var(--hairline)}
.mega-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px 26px;position:relative}
.mega-col h3,.mega-col .mega-col-h{margin:0;font-size:.68rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);
  font-family:var(--font-body);font-weight:650;margin-bottom:10px}
.mega-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:1px}
.mega-col a{display:block;padding:8px 10px;border-radius:9px;font-size:.9rem;color:var(--text-2);
  font-weight:500;transition:all var(--t-fast)}
.mega-col a:hover{background:var(--accent-soft);color:var(--text);transform:translateX(2px)}

/* mobile nav */
.mobile-nav{display:none;flex-direction:column;padding:14px 18px 20px;gap:2px;
  border-bottom:1px solid var(--hairline);
  background:color-mix(in srgb,var(--bg) 92%,transparent);backdrop-filter:blur(18px)}
.mobile-nav a{padding:13px 12px;border-radius:10px;color:var(--text-2);font-weight:550;transition:all var(--t-fast)}
.mobile-nav a:hover{background:var(--panel-2);color:var(--text)}
.mobile-nav .m-search{display:flex;gap:8px;margin-bottom:8px}
.mobile-nav .m-search input{flex:1;background:var(--panel-2);border:1px solid var(--line);
  color:var(--text);border-radius:11px;padding:11px 14px;font-family:inherit}
.mobile-nav details summary{padding:13px 12px;cursor:pointer;font-weight:600;list-style:none;color:var(--text);border-radius:10px}
.mobile-nav details summary::-webkit-details-marker{display:none}
.mobile-nav details[open] summary{color:var(--accent)}
.mobile-nav .m-sub{padding-left:24px!important;font-size:.9rem;color:var(--muted)}

/* ---- layout shells ------------------------------------------------------- */
.layout{display:grid;grid-template-columns:minmax(0,1fr) 308px;gap:clamp(24px,3.4vw,40px);
  max-width:var(--maxw);margin-inline:auto;padding:clamp(26px,4vw,46px) clamp(18px,4vw,36px)}
.layout.full{grid-template-columns:minmax(0,1fr)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:7px;list-style:none;padding:0;margin:0 0 22px;
  font-size:.83rem;color:var(--muted)}
.crumbs a{color:var(--muted);transition:color var(--t-fast)}.crumbs a:hover{color:var(--text)}
.crumbs .sep{margin-left:7px;opacity:.45}
.crumbs [aria-current]{color:var(--text-2)}

/* ---- panels / cards ------------------------------------------------------ */
.panel{background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 100%,transparent),var(--panel));
  border:1px solid var(--hairline);border-radius:var(--r-md);
  padding:clamp(20px,3vw,30px);box-shadow:var(--shadow-sm),var(--ring);
  transition:border-color var(--t),box-shadow var(--t),transform var(--t)}
.panel + .panel{margin-top:var(--gap)}
.glass{background:color-mix(in srgb,var(--panel) 62%,transparent);
  backdrop-filter:blur(16px) saturate(160%);-webkit-backdrop-filter:blur(16px) saturate(160%);
  border:1px solid var(--hairline)}

/* ---- buttons / inputs ---------------------------------------------------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:var(--font-body);font-weight:600;font-size:.92rem;letter-spacing:-.01em;
  padding:11px 19px;border-radius:12px;border:1px solid var(--line);
  background:var(--panel-2);color:var(--text);cursor:pointer;
  box-shadow:var(--ring);transition:all var(--t) var(--ease-out);white-space:nowrap}
.btn:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));transform:translateY(-2px);
  box-shadow:var(--ring),var(--shadow)}
.btn:active{transform:translateY(0)}
.btn.primary{background:linear-gradient(180deg,var(--accent-2),var(--accent));color:var(--accent-ink);
  border-color:transparent;box-shadow:var(--shadow-accent)}
.btn.primary:hover{filter:brightness(1.06);box-shadow:var(--shadow-accent),var(--shadow)}
.btn.ghost{background:transparent;border-color:var(--line)}
.btn.ghost:hover{background:color-mix(in srgb,var(--panel-2) 60%,transparent)}
.btn.sm{padding:8px 14px;font-size:.84rem;border-radius:10px}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:var(--ring)}
.field{width:100%;font-family:var(--font-body);font-size:1rem;color:var(--text);
  background:var(--panel-2);border:1px solid var(--line);border-radius:12px;padding:12px 15px;
  box-shadow:var(--ring);transition:all var(--t)}
.field::placeholder{color:var(--muted)}
.field:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 60%,var(--line));
  box-shadow:var(--ring),0 0 0 4px var(--accent-soft)}
label{display:block;font-size:.83rem;color:var(--muted);margin-bottom:7px;font-weight:550}
.row{display:flex;gap:12px;flex-wrap:wrap;align-items:end}
.range{width:100%;accent-color:var(--accent)}

/* ---- hero / detector ----------------------------------------------------- */
.hero{padding:clamp(34px,6.5vw,76px) 0 10px;text-align:center}
.hero .eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.75rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--text-2);padding:7px 14px;border-radius:var(--r-pill);
  background:color-mix(in srgb,var(--panel) 70%,transparent);border:1px solid var(--hairline);box-shadow:var(--ring)}
.hero h1{margin-top:18px;background:linear-gradient(150deg,var(--text) 30%,color-mix(in srgb,var(--accent) 90%,var(--text)));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero .sub{color:var(--text-2);max-width:62ch;margin:14px auto 0;font-size:clamp(1.02rem,1.6vw,1.16rem);line-height:1.6}

.detector{display:grid;grid-template-columns:minmax(0,1.6fr) minmax(290px,1fr);gap:var(--gap)}
/* Alignment fix: before a color is picked the readout panel is [hidden], leaving
   the right grid column empty and the upload card visually shifted left. While
   hidden, collapse to a single centered column so the whole tool block is
   centered under the hero. The 2-column layout returns the moment JS reveals
   the readout. Desktop only — mobile already uses one column. */
.detector:has(#readout[hidden]){grid-template-columns:minmax(0,720px);justify-content:center}
.dropzone{position:relative;border:2px dashed var(--line);border-radius:var(--r-md);
  min-height:348px;display:grid;place-items:center;text-align:center;padding:26px;
  background:radial-gradient(120% 120% at 50% 0%,color-mix(in srgb,var(--panel-2) 60%,transparent),var(--panel));
  transition:all var(--t);overflow:hidden}
.dropzone:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line))}
.dropzone.drag{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--panel));box-shadow:inset 0 0 0 1px var(--accent-soft)}
.dropzone .dz-inner{pointer-events:none;color:var(--muted)}
.dz-icon{width:58px;height:58px;margin:0 auto 16px;border-radius:16px;display:grid;place-items:center;
  background:conic-gradient(from 200deg,var(--brand-a),var(--brand-b),var(--brand-c),var(--brand-a));
  box-shadow:0 8px 24px -8px color-mix(in srgb,var(--brand-b) 70%,transparent),0 0 0 1px rgba(255,255,255,.12) inset}
.stage{position:relative;width:100%}
.stage canvas{width:100%;height:auto;border-radius:var(--radius-sm);cursor:crosshair;display:block;box-shadow:var(--ring)}
.loupe{position:absolute;width:132px;height:132px;border-radius:50%;pointer-events:none;
  border:3px solid #fff;box-shadow:0 8px 28px rgba(0,0,0,.55),0 0 0 1px rgba(0,0,0,.4);
  image-rendering:pixelated;display:none;z-index:5;overflow:hidden}
.loupe::after{content:"";position:absolute;inset:0;margin:auto;width:8px;height:8px;
  border:2px solid #fff;mix-blend-mode:difference;transform:translate(-50%,-50%);left:50%;top:50%}

/* readout */
.readout .swatch{height:128px;border-radius:var(--radius-sm);border:1px solid var(--hairline);
  margin-bottom:16px;background:var(--accent);transition:background var(--t-fast);box-shadow:var(--ring)}
.fmt-list{display:flex;flex-direction:column;gap:8px}
.fmt{display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:var(--panel-2);border:1px solid var(--hairline);border-radius:11px;padding:10px 13px;
  transition:border-color var(--t-fast),background var(--t-fast)}
.fmt:hover{border-color:color-mix(in srgb,var(--accent) 35%,var(--line));background:var(--panel-3)}
.fmt .k{font-size:.68rem;text-transform:uppercase;letter-spacing:.09em;color:var(--muted);font-weight:600}
.fmt .v{font-family:var(--font-mono);font-size:.9rem;overflow:auto;color:var(--text)}
.copy{border:0;background:transparent;color:var(--muted);cursor:pointer;padding:5px;border-radius:7px;transition:all var(--t-fast)}
.copy:hover{color:var(--accent);background:var(--accent-soft)}
.copy.done{color:var(--ok)}

.tools-bar{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.dominant{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.dominant button{width:42px;height:42px;border-radius:11px;border:1px solid var(--hairline);cursor:pointer;
  box-shadow:var(--ring);transition:transform var(--t-fast)}
.dominant button:hover{transform:scale(1.08) translateY(-1px)}
.recents{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.recents button{width:28px;height:28px;border-radius:8px;border:1px solid var(--hairline);cursor:pointer;transition:transform var(--t-fast)}
.recents button:hover{transform:scale(1.12)}

/* ---- generic grids / cards ---------------------------------------------- */
.grid{display:grid;gap:18px}
.grid.cards{grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.tool-card{display:block;position:relative;background:var(--panel);border:1px solid var(--hairline);
  border-radius:var(--r-md);padding:22px;box-shadow:var(--shadow-sm),var(--ring);
  transition:all var(--t) var(--ease-out);overflow:hidden}
.tool-card::before{content:"";position:absolute;inset:0;border-radius:inherit;padding:1px;
  background:linear-gradient(140deg,color-mix(in srgb,var(--accent) 60%,transparent),transparent 40%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;opacity:0;transition:opacity var(--t)}
.tool-card:hover{border-color:transparent;transform:translateY(-4px);box-shadow:var(--shadow-lg)}
.tool-card:hover::before{opacity:1}
.tool-card .tag{font-family:var(--font-mono);font-size:.66rem;color:var(--accent);
  text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.tool-card h3,.tool-card .tc-title{margin:10px 0 5px}
.tool-card .tc-title{font-family:var(--font-display);font-weight:700;font-size:1.05rem;letter-spacing:-.02em;line-height:1.25;color:var(--text)}
.tool-card p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.55}

.swatch-row{display:flex;border-radius:var(--radius-sm);overflow:hidden;border:1px solid var(--hairline);min-height:96px;box-shadow:var(--ring)}
.swatch-row .cell{flex:1;display:flex;align-items:flex-end;justify-content:center;padding:7px;
  font-family:var(--font-mono);font-size:.68rem;cursor:pointer;transition:flex var(--t)}
.swatch-row .cell:hover{flex:1.4}

/* ---- ad slots ------------------------------------------------------------ */
.ad-slot{display:grid;place-items:center;background:var(--panel-2);border:1px dashed var(--line);
  border-radius:var(--radius-sm);color:var(--muted);position:relative;overflow:hidden}
.ad-slot .ad-label{position:absolute;top:7px;left:9px;font-size:.58rem;letter-spacing:.12em;text-transform:uppercase;opacity:.5}
.ad-rail{min-height:600px}
.ad-inline{min-height:120px;margin:var(--gap) 0}

/* ---- FAQ ----------------------------------------------------------------- */
.faq details{border:1px solid var(--hairline);border-radius:var(--r-sm);padding:2px 18px;margin-bottom:10px;
  background:var(--panel);box-shadow:var(--ring);transition:border-color var(--t-fast),background var(--t-fast)}
.faq details:hover{border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.faq details[open]{background:var(--panel-2)}
.faq summary{cursor:pointer;font-weight:600;padding:15px 0;font-family:var(--font-display);
  list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px;letter-spacing:-.01em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--muted);transition:transform var(--t),color var(--t);font-weight:400}
.faq details[open] summary{color:var(--accent)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--accent)}
.faq details p{margin:0 0 15px;color:var(--text-2)}

/* ---- prose --------------------------------------------------------------- */
.prose{max-width:74ch}
.prose h2{margin-top:1.7em}
.prose code{font-family:var(--font-mono);background:var(--panel-2);padding:2px 7px;border-radius:7px;font-size:.86em;border:1px solid var(--hairline)}
.prose pre{background:var(--panel-2);border:1px solid var(--hairline);border-radius:var(--r-sm);padding:18px;overflow:auto;box-shadow:var(--ring)}
.prose pre code{background:none;padding:0;border:0}
.prose ul,.prose ol{padding-left:1.4em}
.prose li{margin-bottom:.45em}
.prose a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.prose a:hover{text-decoration-color:var(--accent)}

/* ---- sidebar ------------------------------------------------------------- */
.sidebar{display:flex;flex-direction:column;gap:var(--gap)}
.related h2{font-size:1rem;margin-bottom:12px}
.related ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:2px}
.related a{display:block;padding:10px 13px;border-radius:10px;color:var(--text-2);font-size:.91rem;font-weight:500;transition:all var(--t-fast)}
.related a:hover{background:var(--accent-soft);color:var(--text);transform:translateX(3px)}

/* ---- footer -------------------------------------------------------------- */
.site-foot{position:relative;border-top:1px solid var(--hairline);margin-top:var(--s-8);
  padding:clamp(40px,5vw,64px) 0 32px;
  background:linear-gradient(180deg,color-mix(in srgb,var(--panel) 50%,transparent),var(--panel))}
.site-foot::before{content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,color-mix(in srgb,var(--accent) 40%,transparent),transparent)}

.newsletter{display:flex;flex-wrap:wrap;gap:24px;justify-content:space-between;align-items:center;
  background:
    radial-gradient(120% 160% at 100% 0%,color-mix(in srgb,var(--brand-c) 14%,transparent),transparent 55%),
    var(--panel-2);
  border:1px solid var(--hairline);border-radius:var(--r-lg);padding:clamp(24px,4vw,40px);margin-bottom:44px;
  box-shadow:var(--shadow-sm),var(--ring)}
.newsletter h2{margin:0 0 7px;font-size:1.4rem;letter-spacing:-.025em}
.newsletter p{color:var(--muted);margin:0;max-width:48ch;font-size:.93rem}
.news-form{display:flex;gap:10px;flex:1;min-width:min(300px,100%);max-width:460px}
.news-form input{flex:1;min-width:0}


.foot-grid{display:grid;grid-template-columns:1.8fr repeat(4,1fr);gap:32px}
.foot-brand .brand{display:inline-flex;align-items:center;gap:11px;font-family:var(--font-display);
  font-weight:800;font-size:1.16rem;letter-spacing:-.03em}
.foot-brand p{color:var(--muted);font-size:.9rem;max-width:36ch;margin-top:14px;line-height:1.6}
.foot-col h3,.foot-col .foot-col-h{margin:0;font-size:.72rem;text-transform:uppercase;letter-spacing:.11em;color:var(--text-2);
  font-family:var(--font-body);font-weight:650;margin:0 0 4px}
.foot-col ul{list-style:none;padding:0;margin:14px 0 0;display:flex;flex-direction:column;gap:9px}
.foot-col a{color:var(--muted);font-size:.9rem;font-weight:500;transition:color var(--t-fast),transform var(--t-fast);display:inline-block}
.foot-col a:hover{color:var(--accent);transform:translateX(2px)}

.socials{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.socials a{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--hairline);color:var(--muted);
  box-shadow:var(--ring);transition:all var(--t) var(--ease-out)}
.socials a:hover{color:#fff;border-color:transparent;transform:translateY(-3px);
  background:linear-gradient(140deg,var(--brand-b),var(--brand-c));box-shadow:var(--shadow-accent)}

.foot-base{display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:40px;
  padding-top:24px;border-top:1px solid var(--hairline);color:var(--muted);font-size:.82rem}
.foot-note{color:var(--muted);opacity:.85}

/* ---- toast --------------------------------------------------------------- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(140%);
  background:color-mix(in srgb,var(--panel) 92%,transparent);color:var(--text);
  backdrop-filter:blur(14px);border:1px solid var(--hairline);
  padding:13px 20px;border-radius:13px;font-weight:600;font-size:.9rem;
  box-shadow:var(--shadow-lg);z-index:200;transition:transform var(--t-slow) var(--ease-out)}
.toast::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;
  background:var(--ok);margin-right:9px;vertical-align:middle;box-shadow:0 0 10px var(--ok)}
.toast.show{transform:translateX(-50%) translateY(0)}

/* ---- section titles ------------------------------------------------------ */
.section-title{display:flex;align-items:center;gap:14px;margin:clamp(38px,5vw,56px) 0 22px}
.section-title h2{margin:0}
.section-title .n{font-family:var(--font-mono);color:var(--accent);font-size:.8rem;font-weight:600;
  padding:5px 10px;border-radius:8px;background:var(--accent-soft);letter-spacing:.05em}

/* ---- homepage: stats ----------------------------------------------------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin:10px 0}
.stat{background:var(--panel);border:1px solid var(--hairline);border-radius:var(--r-md);padding:26px 22px;
  text-align:center;box-shadow:var(--shadow-sm),var(--ring);transition:transform var(--t),border-color var(--t)}
.stat:hover{transform:translateY(-3px);border-color:color-mix(in srgb,var(--accent) 30%,var(--line))}
.stat .num{font-family:var(--font-display);font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;letter-spacing:-.04em;
  background:linear-gradient(120deg,var(--brand-a),var(--brand-b),var(--brand-c));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;line-height:1}
.stat .lbl{color:var(--muted);font-size:.84rem;margin-top:8px;font-weight:500}

/* ---- trust row ----------------------------------------------------------- */
.trust{display:flex;flex-wrap:wrap;gap:10px 14px;justify-content:center;align-items:center;margin:10px 0}
.trust .chip{display:inline-flex;align-items:center;gap:8px;background:color-mix(in srgb,var(--panel) 70%,transparent);
  border:1px solid var(--hairline);padding:9px 16px;border-radius:var(--r-pill);font-size:.88rem;
  color:var(--text-2);font-weight:500;box-shadow:var(--ring);transition:all var(--t-fast)}
.trust .chip:hover{border-color:color-mix(in srgb,var(--ok) 40%,var(--line));color:var(--text)}
.trust .chip svg{color:var(--ok)}

/* ---- how it works -------------------------------------------------------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.step{position:relative;background:var(--panel);border:1px solid var(--hairline);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--shadow-sm),var(--ring);transition:all var(--t) var(--ease-out)}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.step .s-n{font-family:var(--font-mono);font-size:.74rem;color:var(--accent);font-weight:600;letter-spacing:.05em}
.step h3,.step .step-h{margin:12px 0 7px;display:block;font-family:var(--font-display);font-weight:700;font-size:1.1rem;letter-spacing:-.02em;line-height:1.2;color:var(--text)}
.step p{color:var(--muted);font-size:.91rem;margin:0;line-height:1.55}
.step .s-ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px;
  background:color-mix(in srgb,var(--accent) 16%,var(--panel-2));color:var(--accent);box-shadow:var(--ring)}

/* ---- features / benefits ------------------------------------------------- */
.features{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:18px}
.feature{background:var(--panel);border:1px solid var(--hairline);border-radius:var(--r-md);padding:24px;
  box-shadow:var(--shadow-sm),var(--ring);transition:all var(--t) var(--ease-out)}
.feature:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:color-mix(in srgb,var(--accent) 25%,var(--line))}
.feature .f-ico{width:44px;height:44px;border-radius:13px;display:grid;place-items:center;margin-bottom:14px;
  background:conic-gradient(from 200deg,var(--brand-a),var(--brand-b),var(--brand-c),var(--brand-a));
  box-shadow:0 6px 18px -6px color-mix(in srgb,var(--brand-b) 60%,transparent),0 0 0 1px rgba(255,255,255,.12) inset}
.feature .f-tick{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;margin-bottom:12px;
  background:color-mix(in srgb,var(--ok) 18%,var(--panel-2));color:var(--ok);box-shadow:var(--ring)}
.feature h3,.feature .feature-h{margin:0 0 7px;font-size:1.05rem;display:block;font-family:var(--font-display);font-weight:700;letter-spacing:-.02em;line-height:1.2;color:var(--text)}
.feature p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.55}

/* ---- testimonials -------------------------------------------------------- */
.testimonials{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.quote{background:var(--panel);border:1px solid var(--hairline);border-radius:var(--r-md);padding:26px;
  box-shadow:var(--shadow-sm),var(--ring);transition:all var(--t) var(--ease-out)}
.quote:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.quote p{font-size:.96rem;margin:0 0 18px;color:var(--text-2);line-height:1.6}
.quote .who{display:flex;align-items:center;gap:12px}
.quote .av{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;font-weight:700;
  color:#fff;font-family:var(--font-display);box-shadow:0 0 0 1px rgba(255,255,255,.14) inset}
.quote .who b{display:block;font-size:.9rem;color:var(--text)}
.quote .who span{color:var(--muted);font-size:.8rem}
.stars{color:var(--warn);letter-spacing:3px;margin-bottom:12px;font-size:.85rem}

/* ---- CTA band ------------------------------------------------------------ */
.cta{position:relative;overflow:hidden;border-radius:var(--r-lg);padding:clamp(34px,5.5vw,60px);text-align:center;
  background:
    radial-gradient(120% 140% at 0% 0%,color-mix(in srgb,var(--brand-b) 26%,transparent),transparent 55%),
    radial-gradient(120% 140% at 100% 100%,color-mix(in srgb,var(--brand-c) 26%,transparent),transparent 55%),
    var(--panel-2);
  border:1px solid var(--hairline);box-shadow:var(--shadow),var(--ring)}
.cta h2{margin:0 0 12px;letter-spacing:-.03em}
.cta p{color:var(--text-2);max-width:54ch;margin:0 auto 24px}

/* ---- horizontal info layouts -------------------------------------------- */
.info-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.info-grid .panel h3{margin-bottom:9px}
.info-grid .panel p{color:var(--muted);margin:0}
.who-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:7px}
.who-grid div{display:flex;flex-direction:column;gap:4px}
.who-grid b{font-size:.95rem;color:var(--text)}
.who-grid span{color:var(--muted);font-size:.86rem}

/* ---- tool page helpers --------------------------------------------------- */
.steps-4{grid-template-columns:repeat(4,1fr)}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.check-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:11px}
.check-list li{display:flex;align-items:flex-start;gap:11px;font-size:.93rem;color:var(--text-2)}
.check-list svg{color:var(--ok);flex:none;margin-top:3px}
.fmt-chips{display:flex;flex-wrap:wrap;gap:9px}
.fmt-chip{display:inline-block;padding:8px 15px;border-radius:var(--r-pill);background:var(--panel-2);
  border:1px solid var(--hairline);font-family:var(--font-mono);font-size:.8rem;color:var(--text-2);
  box-shadow:var(--ring);transition:all var(--t-fast)}
.fmt-chip:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));color:var(--text)}

/* ---- blog extras --------------------------------------------------------- */
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin-top:30px}
.pill{display:inline-block;padding:7px 14px;border-radius:var(--r-pill);background:var(--panel-2);
  border:1px solid var(--hairline);color:var(--muted);font-size:.82rem;font-family:var(--font-mono);transition:all var(--t-fast)}
.pill:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line))}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:30px 0}
.post-nav-link{display:flex;flex-direction:column;gap:5px;padding:18px;border:1px solid var(--hairline);
  border-radius:var(--r-md);background:var(--panel);box-shadow:var(--ring);transition:all var(--t) var(--ease-out)}
.post-nav-link:hover{border-color:color-mix(in srgb,var(--accent) 40%,var(--line));transform:translateY(-2px);box-shadow:var(--shadow)}
.post-nav-link span{font-size:.76rem;color:var(--muted);font-weight:500}
.post-nav-link b{font-size:.95rem;line-height:1.35;color:var(--text)}
.post-nav-link.next{text-align:right}

/* ---- legal pages --------------------------------------------------------- */
.legal-head{margin-bottom:24px}
.legal-head .lead{color:var(--text-2);font-size:1.12rem;max-width:62ch;margin:8px 0 6px;line-height:1.6}
.legal-head .updated{color:var(--muted);font-size:.8rem}
.legal-intro{margin-bottom:var(--gap)}
.legal-intro p{margin:0;color:var(--text-2);max-width:80ch}
.legal-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap)}
.legal-card h2{font-size:1.15rem;margin-bottom:12px}
.legal-card p{color:var(--muted);margin:0 0 .85em}
.legal-card p:last-child{margin-bottom:0}
.legal-card ul{margin:0;padding-left:1.25em;color:var(--muted)}
.legal-card li{margin-bottom:.45em}
.legal-card a{color:var(--accent)}

/* ============================================================
   responsive
   ============================================================ */
@media (max-width:1100px){ .head-search input{width:140px} .head-search input:focus{width:180px} }
@media (max-width:860px){ .head-search{display:none} }
@media (max-width:980px){
  .layout{grid-template-columns:minmax(0,1fr)}
  .sidebar{flex-direction:row;flex-wrap:wrap}
  .sidebar .panel{flex:1;min-width:250px}
  .ad-rail{display:none}
  .detector{grid-template-columns:minmax(0,1fr)}
  .stats{grid-template-columns:repeat(2,1fr)}
  .steps,.testimonials{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .steps-4{grid-template-columns:1fr 1fr}
  .two-col,.info-grid,.legal-grid{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:680px){
  .head-row{height:64px;gap:12px}
  .mainnav{display:none}
  .menu-btn{display:grid}
  .head-search{display:none}
  .mega{display:none}
  .mobile-nav[hidden]{display:none}
  .mobile-nav.open{display:flex}
  .stats{grid-template-columns:1fr 1fr}
  .foot-grid{grid-template-columns:1fr}
  .steps-4{grid-template-columns:1fr}
  .who-grid{grid-template-columns:1fr}
  .post-nav{grid-template-columns:1fr}
  .post-nav-link.next{text-align:left}
  .newsletter{flex-direction:column;align-items:stretch}
  .news-form{max-width:none}
}

/* ============================================================================
   BATCH 2 — homepage experience refinements (visual only)
   ========================================================================== */

/* ---- consistent section rhythm ---- */
.home-section{margin-top:clamp(40px,5vw,64px)}
.home-section.tight{margin-top:clamp(28px,3.5vw,40px)}
.home-section.trust-section{margin-top:clamp(24px,3vw,36px)}
.home-section.cta-section{margin-top:clamp(56px,7vw,96px);margin-bottom:clamp(40px,5vw,64px)}

/* ---- hero zone: shared premium backdrop behind hero + detector ---- */
.hero-zone{position:relative;isolation:isolate;overflow:hidden;padding-bottom:clamp(20px,3vw,32px)}
.hero-zone::before{content:"";position:absolute;inset:-10% -20% auto -20%;height:560px;z-index:-1;
  background:
    radial-gradient(46% 60% at 50% 0%,color-mix(in srgb,var(--brand-b) 22%,transparent),transparent 70%),
    radial-gradient(40% 50% at 78% 12%,color-mix(in srgb,var(--brand-c) 18%,transparent),transparent 72%),
    radial-gradient(38% 50% at 20% 16%,color-mix(in srgb,var(--brand-a) 14%,transparent),transparent 72%);
  filter:blur(8px);opacity:.9;pointer-events:none}
.hero-zone::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(to right,var(--hairline) 1px,transparent 1px),
    linear-gradient(to bottom,var(--hairline) 1px,transparent 1px);
  background-size:48px 48px;
  -webkit-mask:radial-gradient(70% 55% at 50% 18%,#000,transparent 75%);
          mask:radial-gradient(70% 55% at 50% 18%,#000,transparent 75%);
  opacity:.5}

/* hero polish */
.hero{padding-top:clamp(40px,7vw,84px)}
.hero .eyebrow{backdrop-filter:blur(8px)}

/* detector panels: lift the picker a touch for hierarchy */
#detector .detector > .panel{box-shadow:var(--shadow),var(--ring)}

/* ---- feature card icons: center the glyph ---- */
.feature .f-ico svg{display:block}

/* ---- equal-height tool & content cards ---- */
.grid.cards{align-items:stretch}
.grid.cards .tool-card{display:flex;flex-direction:column;height:100%}
.grid.cards .tool-card p{margin-top:auto;padding-top:6px}
.steps,.features,.testimonials{align-items:stretch}
.step,.feature,.quote{height:100%;display:flex;flex-direction:column}
.quote p{flex:1}
.info-grid{align-items:stretch}
.info-grid > .panel{display:flex;flex-direction:column}

/* tool card: clearer arrow affordance on hover */
.tool-card{position:relative}
.tool-card h3,.tool-card .tc-title{display:inline-flex;align-items:center;gap:6px}
.tool-card h3::after,.tool-card .tc-title::after{content:"→";font-size:.9em;color:var(--accent);opacity:0;transform:translateX(-4px);
  transition:opacity var(--t),transform var(--t)}
.tool-card:hover h3::after,.tool-card:hover .tc-title::after{opacity:1;transform:translateX(0)}

/* ---- "view all tools" trailing button spacing ---- */
.home-section > p:last-child{margin-top:clamp(20px,2.5vw,28px);margin-bottom:0}

/* ---- subtle entrance animations (reveal on scroll), reduced-motion safe ---- */
@media (prefers-reduced-motion:no-preference){
  .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease-out),transform .6s var(--ease-out)}
  .reveal.in{opacity:1;transform:none}
  /* stagger children of grids */
  .reveal.stagger > *{opacity:0;transform:translateY(14px);transition:opacity .5s var(--ease-out),transform .5s var(--ease-out)}
  .reveal.stagger.in > *{opacity:1;transform:none}
  .reveal.stagger.in > *:nth-child(2){transition-delay:.06s}
  .reveal.stagger.in > *:nth-child(3){transition-delay:.12s}
  .reveal.stagger.in > *:nth-child(4){transition-delay:.18s}
  .reveal.stagger.in > *:nth-child(5){transition-delay:.24s}
  .reveal.stagger.in > *:nth-child(6){transition-delay:.30s}
}

/* ---- color preview / readout polish ---- */
.readout .swatch{position:relative}
.readout .swatch::after{content:"";position:absolute;inset:0;border-radius:inherit;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.08)}

/* ---- mobile niceties ---- */
@media (max-width:680px){
  .hero-zone::after{background-size:36px 36px}
  .trust{gap:8px}
  .trust .chip{font-size:.82rem;padding:8px 13px}
}

/* ============================================================================
   BATCH 4 — blog, article, search, 404, legal refinements (visual only)
   ========================================================================== */

/* ---- blog home: header + filter ---- */
.blog-head{padding:32px 0 8px}
.blog-head .eyebrow{display:inline-block;font-family:var(--font-mono);font-size:.74rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--text-2);padding:6px 13px;border-radius:var(--r-pill);
  background:color-mix(in srgb,var(--panel) 70%,transparent);border:1px solid var(--hairline);box-shadow:var(--ring);margin-bottom:14px}
.blog-head h1{margin:0 0 10px}
.blog-head .sub{color:var(--text-2);max-width:60ch;font-size:clamp(1rem,1.5vw,1.12rem)}
.blog-filter{display:flex;gap:12px;flex-wrap:wrap;align-items:center;margin-top:24px}
.blog-search{position:relative;flex:1;min-width:240px;display:flex;align-items:center}
.blog-search svg{position:absolute;left:14px;color:var(--muted);pointer-events:none}
.blog-search input{width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:12px 14px 12px 40px;font-size:.95rem;font-family:inherit;box-shadow:var(--ring);transition:all var(--t)}
.blog-search input::placeholder{color:var(--muted)}
.blog-search input:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 60%,var(--line));box-shadow:var(--ring),0 0 0 4px var(--accent-soft)}
.blog-cat{width:auto;min-width:170px}

/* ---- blog grid + premium cards (Medium/Vercel) ---- */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:24px;align-items:stretch}
.blog-card{display:flex;flex-direction:column;height:100%;background:var(--panel);
  border:1px solid var(--hairline);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-sm),var(--ring);transition:all var(--t) var(--ease-out)}
.blog-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 28%,var(--line))}
.blog-cover{position:relative;display:block;aspect-ratio:16/8;
  background:linear-gradient(135deg,var(--g1,#3B82F6),var(--g2,#A855F7));overflow:hidden}
.blog-cover::after{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 120% at 80% 0%,rgba(255,255,255,.25),transparent 55%),
             linear-gradient(180deg,transparent 55%,rgba(0,0,0,.25));mix-blend-mode:overlay}
.blog-cover-badge{position:absolute;top:14px;left:14px;z-index:1;font-size:.72rem;font-weight:600;
  letter-spacing:.02em;color:#fff;padding:6px 12px;border-radius:var(--r-pill);
  background:rgba(0,0,0,.28);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.22)}
.blog-card-body{display:flex;flex-direction:column;flex:1;padding:22px}
.blog-card-title{font-size:1.18rem;line-height:1.3;margin:0 0 8px;letter-spacing:-.02em;color:var(--text)}
.blog-card-excerpt{color:var(--muted);font-size:.92rem;line-height:1.6;margin-bottom:16px}
.blog-meta{display:flex;align-items:center;gap:8px;margin-top:auto;color:var(--muted);
  font-size:.82rem;font-family:var(--font-mono)}
.blog-meta .dot{opacity:.5}
.blog-card:hover .blog-card-title{color:var(--accent)}

/* ---- empty state ---- */
.empty-state{text-align:center;padding:clamp(40px,6vw,72px)}
.empty-ico{width:64px;height:64px;margin:0 auto 18px;border-radius:18px;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--hairline);color:var(--muted);box-shadow:var(--ring)}
.empty-state h3{margin:0 0 8px;font-size:1.2rem}
.empty-state p{color:var(--muted);max-width:42ch;margin:0 auto 20px}

/* ---- pagination ---- */
.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-top:36px}
.page-link{min-width:42px;height:42px;display:inline-flex;align-items:center;justify-content:center;
  padding:0 14px;border-radius:11px;border:1px solid var(--line);background:var(--panel-2);
  color:var(--text-2);font-weight:600;font-size:.9rem;box-shadow:var(--ring);transition:all var(--t-fast)}
.page-link:hover{border-color:color-mix(in srgb,var(--accent) 50%,var(--line));color:var(--text);transform:translateY(-2px)}
.page-link.is-active{background:linear-gradient(180deg,var(--accent-2),var(--accent));color:var(--accent-ink);border-color:transparent;box-shadow:var(--shadow-accent)}

/* ---- article layout: content + sticky TOC rail ---- */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 248px;gap:clamp(28px,4vw,56px);
  max-width:var(--maxw);margin-inline:auto;padding:clamp(26px,4vw,44px) clamp(18px,4vw,36px)}
.article{min-width:0}
.article-head{margin-bottom:28px}
.article-cat{display:inline-block;font-size:.74rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase;
  color:var(--accent);padding:6px 13px;border-radius:var(--r-pill);background:var(--accent-soft);
  border:1px solid color-mix(in srgb,var(--accent) 30%,transparent);margin-bottom:16px}
.article-head h1{font-size:clamp(2rem,4.4vw,3rem);line-height:1.1;letter-spacing:-.035em;margin:0 0 14px}
.article-lead{font-size:clamp(1.08rem,1.8vw,1.28rem);line-height:1.55;color:var(--text-2);max-width:60ch;margin:0 0 22px}
.article-byline{display:flex;align-items:center;gap:13px}
.article-avatar,.author-avatar{display:grid;place-items:center;font-family:var(--font-display);font-weight:700;
  color:#fff;background:linear-gradient(135deg,var(--g1,#3B82F6),var(--g2,#A855F7));
  box-shadow:0 0 0 1px rgba(255,255,255,.16) inset}
.article-avatar{width:44px;height:44px;border-radius:50%;font-size:.86rem}
.article-byline b{display:block;font-size:.92rem;color:var(--text)}
.article-byline span{color:var(--muted);font-size:.82rem}

.article-cover{aspect-ratio:21/9;border-radius:var(--r-lg);margin-bottom:32px;
  background:linear-gradient(135deg,var(--g1,#3B82F6),var(--g2,#A855F7));position:relative;overflow:hidden;box-shadow:var(--shadow),var(--ring)}
.article-cover::after{content:"";position:absolute;inset:0;
  background:radial-gradient(120% 120% at 78% 0%,rgba(255,255,255,.22),transparent 55%),
             linear-gradient(180deg,transparent 60%,rgba(0,0,0,.28))}

/* ---- article body: reading experience ---- */
.article-body{max-width:none;font-size:1.07rem;line-height:1.78;color:var(--text-2)}
.article-body > *{max-width:72ch}
.article-body h2{font-size:1.55rem;letter-spacing:-.025em;margin:1.8em 0 .6em;color:var(--text);scroll-margin-top:90px}
.article-body h3{font-size:1.2rem;margin:1.5em 0 .5em;color:var(--text)}
.article-body p{margin:0 0 1.15em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.2em}
.article-body li{margin-bottom:.55em}
.article-body li::marker{color:var(--accent)}
.article-body strong{color:var(--text)}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:2px;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent)}
.article-body a:hover{text-decoration-color:var(--accent)}
.article-body blockquote{margin:1.5em 0;padding:4px 0 4px 22px;border-left:3px solid var(--accent);
  color:var(--text);font-size:1.12rem;font-style:italic}
.article-body code{font-family:var(--font-mono);background:var(--panel-2);padding:2px 7px;border-radius:7px;font-size:.86em;border:1px solid var(--hairline)}
.article-body pre{background:var(--panel-2);border:1px solid var(--hairline);border-radius:var(--r-md);
  padding:20px;overflow:auto;box-shadow:var(--ring);margin:0 0 1.4em;max-width:none}
.article-body pre code{background:none;padding:0;border:0;font-size:.9rem;line-height:1.7}
.article-body img{border-radius:var(--r-md);border:1px solid var(--hairline);box-shadow:var(--shadow-sm);margin:1.4em 0}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 1.4em;font-size:.95rem;max-width:none}
.article-body th,.article-body td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--hairline)}
.article-body th{color:var(--text);font-weight:650;background:var(--panel-2)}
.article-body tr:hover td{background:color-mix(in srgb,var(--panel-2) 50%,transparent)}

/* ---- sticky table of contents ---- */
.toc-rail{position:relative}
.toc{position:sticky;top:96px;background:var(--panel);border:1px solid var(--hairline);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-sm),var(--ring)}
.toc-title{font-size:.7rem;text-transform:uppercase;letter-spacing:.12em;color:var(--muted);
  font-weight:650;margin:0 0 12px}
.toc ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px;
  border-left:2px solid var(--line)}
.toc li{margin:0}
.toc a{display:block;padding:7px 14px;margin-left:-2px;border-left:2px solid transparent;
  color:var(--muted);font-size:.88rem;line-height:1.4;transition:all var(--t-fast)}
.toc a:hover{color:var(--text)}
.toc a.active{color:var(--accent);border-left-color:var(--accent);font-weight:550}

/* ---- author box (Medium/Linear) ---- */
.author-box{display:flex;gap:18px;align-items:flex-start;margin:36px 0 8px;padding:24px;
  background:var(--panel-2);border:1px solid var(--hairline);border-radius:var(--r-lg);box-shadow:var(--ring)}
.author-avatar{width:56px;height:56px;border-radius:50%;font-size:1.05rem;flex:none}
.author-meta b{font-size:1rem;color:var(--text)}
.author-meta p{color:var(--muted);font-size:.92rem;margin:6px 0 12px;line-height:1.6}
.author-links{display:flex;flex-wrap:wrap;gap:8px}
.author-links a{font-size:.85rem;font-weight:550;color:var(--text-2);padding:6px 13px;border-radius:var(--r-pill);
  background:var(--panel);border:1px solid var(--hairline);transition:all var(--t-fast)}
.author-links a:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-1px)}

.related-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}

/* ---- 404 illustration ---- */
.notfound{text-align:center;padding:clamp(48px,8vw,96px) 0}
.nf-art{position:relative;width:min(360px,80vw);margin:0 auto 32px;aspect-ratio:16/9;
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--hairline);box-shadow:var(--shadow),var(--ring);
  background:
    radial-gradient(60% 80% at 25% 30%,color-mix(in srgb,var(--brand-b) 60%,transparent),transparent 70%),
    radial-gradient(60% 80% at 75% 70%,color-mix(in srgb,var(--brand-c) 60%,transparent),transparent 70%),
    linear-gradient(135deg,var(--panel-2),var(--panel-3));display:grid;place-items:center}
.nf-art .nf-code{font-family:var(--font-display);font-weight:800;font-size:clamp(3rem,10vw,5rem);
  letter-spacing:-.04em;color:#fff;text-shadow:0 4px 30px rgba(0,0,0,.4);mix-blend-mode:plus-lighter}
.notfound h1{font-size:clamp(1.6rem,3.4vw,2.4rem);margin:0 0 12px}
.notfound .sub{color:var(--text-2);max-width:50ch;margin:0 auto 26px}
.nf-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;margin-bottom:36px}
.nf-search{max-width:440px;margin:0 auto 32px;position:relative;display:flex;align-items:center}
.nf-search svg{position:absolute;left:14px;color:var(--muted);pointer-events:none}
.nf-search input{width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:13px 14px 13px 42px;font-size:.95rem;font-family:inherit;box-shadow:var(--ring)}
.nf-search input:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 60%,var(--line));box-shadow:var(--ring),0 0 0 4px var(--accent-soft)}
.nf-links{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;max-width:560px;margin:0 auto}
.nf-links a{font-size:.88rem;font-weight:550;color:var(--text-2);padding:9px 16px;border-radius:var(--r-pill);
  background:var(--panel);border:1px solid var(--hairline);box-shadow:var(--ring);transition:all var(--t-fast)}
.nf-links a:hover{color:var(--accent);border-color:color-mix(in srgb,var(--accent) 45%,var(--line));transform:translateY(-2px)}

/* ---- search page ---- */
.search-head{padding:32px 0 8px}
.search-box{position:relative;display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0 10px}
.search-field{position:relative;flex:1;min-width:240px;display:flex;align-items:center}
.search-field svg{position:absolute;left:14px;color:var(--muted);pointer-events:none}
.search-field input{width:100%;background:var(--panel-2);border:1px solid var(--line);color:var(--text);
  border-radius:12px;padding:13px 14px 13px 42px;font-size:.98rem;font-family:inherit;box-shadow:var(--ring);transition:all var(--t)}
.search-field input:focus{outline:none;border-color:color-mix(in srgb,var(--accent) 60%,var(--line));box-shadow:var(--ring),0 0 0 4px var(--accent-soft)}
.search-meta{color:var(--muted);font-size:.9rem;margin:14px 0 18px}
.result-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:18px}
.result-card{display:flex;flex-direction:column;height:100%;background:var(--panel);border:1px solid var(--hairline);
  border-radius:var(--r-md);padding:20px;box-shadow:var(--shadow-sm),var(--ring);transition:all var(--t) var(--ease-out)}
.result-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--accent) 28%,var(--line))}
.result-card .tag{font-family:var(--font-mono);font-size:.66rem;color:var(--accent);text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.result-card h3{margin:9px 0 5px;font-size:1.05rem}
.result-card h3 a{color:var(--text)}
.result-card:hover h3 a{color:var(--accent)}
.result-card p{color:var(--muted);font-size:.9rem;margin:0;line-height:1.55}

/* ---- responsive ---- */
@media (max-width:980px){
  .article-layout{grid-template-columns:minmax(0,1fr)}
  .toc-rail{display:none}
}
@media (max-width:680px){
  .blog-grid{grid-template-columns:1fr}
  .blog-filter{flex-direction:column;align-items:stretch}
  .blog-cat{width:100%}
  .author-box{flex-direction:column;gap:14px}
  .article-cover{aspect-ratio:16/9}
}

/* ============================================================================
   BATCH 5 — final polish: scrollbars, motion, focus, mobile, consistency
   ========================================================================== */

/* ---- custom scrollbars (theme-aware, premium) ---- */
:root{--sb-thumb:#2A3645;--sb-thumb-hover:#384757;--sb-track:transparent}
[data-theme="light"]{--sb-thumb:#CBD5E1;--sb-thumb-hover:#94A3B8}
*{scrollbar-width:thin;scrollbar-color:var(--sb-thumb) var(--sb-track)}
*::-webkit-scrollbar{width:12px;height:12px}
*::-webkit-scrollbar-track{background:var(--sb-track)}
*::-webkit-scrollbar-thumb{background:var(--sb-thumb);border-radius:999px;
  border:3px solid transparent;background-clip:content-box}
*::-webkit-scrollbar-thumb:hover{background:var(--sb-thumb-hover);background-clip:content-box}
/* keep code/pre scrollbars compact */
.prose pre::-webkit-scrollbar,.article-body pre::-webkit-scrollbar,.fmt .v::-webkit-scrollbar{height:8px;width:8px}

/* ---- premium focus ring (keyboard users) ---- */
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
a:focus-visible,button:focus-visible,.btn:focus-visible,.tool-card:focus-visible,
.blog-card:focus-visible,.page-link:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);outline-offset:3px;box-shadow:0 0 0 4px var(--accent-soft)}
/* inputs get a softer inset-style focus already; keep ring off to avoid doubling */
.field:focus-visible,.head-search input:focus-visible,.blog-search input:focus-visible,
.search-field input:focus-visible,.nf-search input:focus-visible{outline:none}

/* ---- subtle page-load fade-in (reduced-motion safe) ---- */
@media (prefers-reduced-motion:no-preference){
  @keyframes cdc-fade-up{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
  main#main{animation:cdc-fade-up .5s var(--ease-out) both}
  /* header settles in slightly faster */
  .site-head{animation:cdc-fade-up .35s var(--ease-out) both}
}

/* ---- smooth, consistent interactive feedback ---- */
.btn,.icon-btn,.tool-card,.blog-card,.result-card,.feature,.step,.quote,.stat,
.page-link,.socials a,.author-links a,.nf-links a,.fmt-chip,.pill,.trust .chip,.faq details{
  will-change:auto}
/* active press feedback for tappables */
.btn:active,.icon-btn:active,.page-link:active{transform:translateY(0) scale(.985)}
.tool-card:active,.blog-card:active,.result-card:active{transform:translateY(-2px)}

/* ---- accordion (FAQ) smooth open ---- */
@media (prefers-reduced-motion:no-preference){
  .faq details[open] summary ~ *{animation:cdc-fade-up .28s var(--ease-out) both}
}

/* ---- selection + smooth anchor scroll already set; reinforce ---- */
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* ---- consistency: unify small-radius chips/pills to token scale ---- */
.pill,.fmt-chip,.trust .chip,.blog-cover-badge,.article-cat,.search-field input{border-radius:var(--r-pill)}

/* ============================================================
   MOBILE & RESPONSIVE — touch targets, spacing, tap comfort
   ============================================================ */

/* generous, consistent tap targets on touch devices */
@media (hover:none) and (pointer:coarse){
  .btn{min-height:46px}
  .icon-btn{width:46px;height:46px}
  .mainnav a,.mainnav .mega-trigger{min-height:42px;display:inline-flex;align-items:center}
  .mobile-nav a,.mobile-nav details summary{min-height:48px;display:flex;align-items:center}
  .foot-col a,.mega-col a,.related a,.toc a{padding-top:10px;padding-bottom:10px}
  .copy{min-width:34px;min-height:34px}
  .page-link{min-width:46px;height:46px}
}

/* 320–480px: tighten rhythm, prevent any clipping */
@media (max-width:480px){
  :root{--gap:clamp(14px,4vw,18px)}
  .wrap{padding-inline:16px}
  h1{font-size:clamp(1.8rem,8vw,2.4rem)}
  .hero{padding-top:clamp(28px,9vw,52px)}
  .panel{padding:18px}
  .stats{gap:12px}
  .stat{padding:18px 14px}
  .cta{padding:28px 20px}
  .newsletter{padding:22px}
  .blog-card-body{padding:18px}
  .article-head h1{font-size:clamp(1.7rem,7.5vw,2.2rem)}
  .toast{left:16px;right:16px;transform:translateY(140%);bottom:16px}
  .toast.show{transform:translateY(0)}
  /* avoid sideways scroll from wide mono values */
  .fmt .v{max-width:58vw}
}

/* tablet: balance grids that were repeat(auto-fill) */
@media (min-width:681px) and (max-width:1024px){
  .stats{grid-template-columns:repeat(4,1fr)}
  .features{grid-template-columns:repeat(2,1fr)}
}

/* landscape phones: trim vertical hero padding */
@media (max-height:520px) and (orientation:landscape){
  .hero{padding-top:24px}
  .notfound{padding:32px 0}
}

/* ultra-wide: keep content centered, never stretched */
@media (min-width:1600px){
  :root{--maxw:1240px}
}

/* ---- safe-area insets for notched phones ---- */
@supports(padding:max(0px)){
  .site-head .head-row{padding-left:max(clamp(18px,4vw,36px),env(safe-area-inset-left));
    padding-right:max(clamp(18px,4vw,36px),env(safe-area-inset-right))}
}

/* ---- print: clean, ink-friendly ---- */
@media print{
  .site-head,.site-foot,.ad-slot,.toc-rail,.mobile-nav,.head-actions{display:none!important}
  body{background:#fff;color:#000}
  .panel,.tool-card,.blog-card{box-shadow:none;border:1px solid #ccc}
}

/* ---- header fit in the tablet band (no search shown 681–860) ---- */
@media (min-width:681px) and (max-width:860px){
  .head-row{gap:10px}
  .mainnav{gap:0}
  .mainnav a,.mainnav .mega-trigger{padding:8px 9px;font-size:.9rem}
  .brand-name{font-size:1.05rem}
}

/* ============================================================================
   BATCH 6 — micro-interactions, tooltips, feedback, a11y, cross-browser
   ========================================================================== */

/* ---- copy button: animated check + premium feel ---- */
.copy{position:relative;display:inline-grid;place-items:center;transition:color var(--t-fast),background var(--t-fast),transform var(--t-fast)}
.copy:hover{transform:translateY(-1px)}
.copy:active{transform:scale(.9)}
.copy.done{color:var(--ok);background:color-mix(in srgb,var(--ok) 16%,transparent)}
@media (prefers-reduced-motion:no-preference){
  .copy.done svg{animation:cdc-pop .3s var(--ease-out)}
  @keyframes cdc-pop{0%{transform:scale(.4);opacity:0}60%{transform:scale(1.15)}100%{transform:scale(1);opacity:1}}
}
/* swatch cell copy affirmation */
.swatch-row .cell{position:relative;transition:flex var(--t),box-shadow var(--t-fast)}
.swatch-row .cell.done::after{content:"Copied";position:absolute;inset:auto 0 8px 0;text-align:center;
  font-size:.6rem;letter-spacing:.08em;text-transform:uppercase;color:#fff;text-shadow:0 1px 3px rgba(0,0,0,.6)}

/* ---- format rows: subtle hover affordance ---- */
.fmt{transition:border-color var(--t-fast),background var(--t-fast),transform var(--t-fast)}
.fmt:hover{transform:translateX(2px)}

/* ---- tooltip system ([data-tip], CSS-only, accessible-friendly) ---- */
[data-tip]{position:relative}
[data-tip]::after,[data-tip]::before{
  position:absolute;left:50%;bottom:calc(100% + 10px);opacity:0;pointer-events:none;
  transition:opacity var(--t-fast),transform var(--t-fast);z-index:80}
[data-tip]::after{content:attr(data-tip);transform:translateX(-50%) translateY(4px);
  white-space:nowrap;background:var(--panel-3);color:var(--text);font-size:.78rem;font-weight:550;
  padding:7px 11px;border-radius:9px;border:1px solid var(--hairline);
  box-shadow:var(--shadow),var(--ring)}
[data-tip]::before{content:"";transform:translateX(-50%) translateY(4px);width:8px;height:8px;
  background:var(--panel-3);border-right:1px solid var(--hairline);border-bottom:1px solid var(--hairline);
  bottom:calc(100% + 6px);rotate:45deg}
[data-tip]:hover::after,[data-tip]:focus-visible::after{opacity:1;transform:translateX(-50%) translateY(0)}
[data-tip]:hover::before,[data-tip]:focus-visible::before{opacity:1;transform:translateX(-50%) translateY(0) rotate(45deg)}
@media (hover:none){ [data-tip]::after,[data-tip]::before{display:none} } /* no hover tooltips on touch */
@media (prefers-reduced-motion:reduce){ [data-tip]::after,[data-tip]::before{transition:none} }

/* ---- loading / skeleton utilities ---- */
.is-loading{position:relative;color:transparent!important;pointer-events:none;-webkit-user-select:none;user-select:none}
.is-loading::after{content:"";position:absolute;inset:0;margin:auto;width:18px;height:18px;border-radius:50%;
  border:2px solid color-mix(in srgb,currentColor 30%,transparent);border-top-color:currentColor;
  animation:cdc-spin .6s linear infinite}
.btn.is-loading{color:transparent!important}
.btn.is-loading::after{border-color:color-mix(in srgb,var(--accent-ink) 40%,transparent);border-top-color:var(--accent-ink)}
@keyframes cdc-spin{to{transform:rotate(360deg)}}
.skeleton{background:linear-gradient(100deg,var(--panel-2) 30%,var(--panel-3) 50%,var(--panel-2) 70%);
  background-size:200% 100%;border-radius:var(--r-sm);animation:cdc-shimmer 1.3s ease-in-out infinite}
@keyframes cdc-shimmer{to{background-position:-200% 0}}
@media (prefers-reduced-motion:reduce){.is-loading::after,.skeleton{animation:none}}

/* ---- mega menu / dropdown: smoother entrance polish ---- */
.mega{transition:opacity var(--t) var(--ease-out),transform var(--t) var(--ease-out),visibility var(--t)}
.mega-col a{position:relative}
.mega-col a::before{content:"";position:absolute;left:4px;top:50%;width:3px;height:0;border-radius:3px;
  background:var(--accent);transform:translateY(-50%);transition:height var(--t-fast)}
.mega-col a:hover::before{height:14px}
.mega-col a:hover{padding-left:14px}

/* ---- inputs: consistent premium focus glow across browsers ---- */
.field,.head-search input,.blog-search input,.search-field input,.nf-search input,select.field{
  transition:border-color var(--t),box-shadow var(--t),background var(--t-fast)}
select.field{cursor:pointer;-webkit-appearance:none;appearance:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%237E8C9B' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 12px center;padding-right:38px}

/* ---- links in prose: smooth underline grow ---- */
.prose a,.article-body a{transition:text-decoration-color var(--t-fast),color var(--t-fast)}

/* ---- card press feedback unified (Stripe/Linear-like) ---- */
.tool-card,.blog-card,.result-card,.feature,.step,.quote,.stat,.post-nav-link{
  transition:transform var(--t) var(--ease-out),box-shadow var(--t) var(--ease-out),border-color var(--t)}

/* ---- image handling: smooth, no layout shift ---- */
img{height:auto}
.article-body img{transition:filter var(--t)}
img[loading=lazy]{background:var(--panel-2)}

/* ---- cross-browser: momentum scroll on iOS, tap highlight off ---- */
body{-webkit-overflow-scrolling:touch;-webkit-tap-highlight-color:transparent}
button,a{-webkit-tap-highlight-color:transparent}
/* Safari: prevent sticky jitter */
.site-head,.toc{transform:translateZ(0)}

/* ---- focus-visible: ensure visible ring on all custom controls ---- */
.copy:focus-visible,.dominant button:focus-visible,.recents button:focus-visible,
.swatch-row .cell:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}

/* ---- empty states: gentle entrance ---- */
@media (prefers-reduced-motion:no-preference){
  .empty-state{animation:cdc-fade-up .4s var(--ease-out) both}
}

/* ============================================================================
   BATCH 7 — production QA fixes & final polish
   ========================================================================== */

/* Comfortable footer/link tap areas on narrow screens (not only coarse pointer),
   so dense link lists are easy to tap on any small viewport. */
@media (max-width:680px){
  .foot-col a{padding-block:8px;display:inline-block}
  .foot-col ul{gap:4px}
  .author-links a,.nf-links a{padding-block:10px}
}

/* Ensure interactive list items keep a comfortable hit area everywhere */
.related a,.toc a,.mega-col a{min-height:36px;display:flex;align-items:center}

/* Subtle, consistent: keep footer link hover lift from shifting layout */
.foot-col a{will-change:transform}

/* Detector readout labels (converted from h3 to reduce heading inflation; same look) */
.readout .ro-label{font-family:var(--font-display);font-weight:700;font-size:1rem;letter-spacing:-.01em;color:var(--text);margin-bottom:2px}

/* QA fix: tool output code blocks must not overflow on mobile.
   The in-tool codeBlock() emits a bare <pre><code> outside .prose, so it had
   no width containment. Constrain it and allow long CSS values to wrap. */
#tool pre{background:var(--panel-2);border:1px solid var(--hairline);border-radius:var(--r-sm);
  padding:14px;margin:8px 0 0;max-width:100%;overflow-x:auto;box-shadow:var(--ring)}
#tool pre code{background:none;padding:0;border:0;font-family:var(--font-mono);font-size:.85rem;
  white-space:pre-wrap;word-break:break-word;overflow-wrap:anywhere}
/* Keep any wide value/preview inside the tool from pushing layout */
#tool,#tool *{min-width:0}
#tool .v{overflow-wrap:anywhere;word-break:break-word}

/* ---- footer share buttons (share current page) -------------------------- */
.foot-share{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:center}
.foot-share-label{color:var(--muted);font-size:.82rem;white-space:nowrap}
.share-btns{display:flex;flex-wrap:wrap;gap:8px}
.share-btn{width:34px;height:34px;border-radius:9px;display:grid;place-items:center;
  background:var(--panel-2);border:1px solid var(--hairline);color:var(--muted);
  box-shadow:var(--ring);transition:all var(--t) var(--ease-out);text-decoration:none}
.share-btn:hover{color:#fff;border-color:transparent;transform:translateY(-3px);
  background:linear-gradient(140deg,var(--brand-b),var(--brand-c));box-shadow:var(--shadow-accent)}
@media (hover:none) and (pointer:coarse){.share-btn{width:40px;height:40px}}
@media (max-width:680px){.foot-share{width:100%;justify-content:flex-start}}

/* ============================================================================
   UX friction fixes — trust panel, scannable content, spacing
   ========================================================================== */

/* UX1: compact trust strip inside the upload panel */
.upload-trust{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px 16px;
  margin:16px 0 2px;padding:14px 0 0;border-top:1px solid var(--hairline)}
.upload-trust li{display:flex;align-items:center;gap:8px;font-size:.82rem;color:var(--text-2);line-height:1.3}
.upload-trust li svg{color:var(--brand-a);flex:none}
@media (max-width:520px){.upload-trust{grid-template-columns:1fr}}

/* FP4: factual trust signals (replaces fabricated testimonials) */
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust-fact{background:var(--panel);border:1px solid var(--hairline);border-radius:var(--r-md);
  padding:22px;display:flex;flex-direction:column;gap:7px;transition:transform var(--t) var(--ease-out),box-shadow var(--t) var(--ease-out)}
.trust-fact:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.trust-fact .tf-ic{width:40px;height:40px;border-radius:11px;display:grid;place-items:center;
  background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);margin-bottom:4px}
.trust-fact .tf-h{font-family:var(--font-display);font-weight:700;font-size:1rem;letter-spacing:-.01em;color:var(--text);line-height:1.25}
.trust-fact .tf-p{color:var(--muted);font-size:.9rem;line-height:1.55}
@media (max-width:900px){.trust-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.trust-grid{grid-template-columns:1fr}}

/* FP3: scannable long-form content */
.info-grid .panel p.lead,.panel > p.lead{color:var(--text-2);font-size:1rem;line-height:1.55;margin:0 0 12px}
.key-points{list-style:none;margin:0 0 14px;padding:0;display:flex;flex-direction:column;gap:9px}
.key-points li{position:relative;padding-left:26px;color:var(--muted);font-size:.93rem;line-height:1.55}
.key-points li::before{content:"";position:absolute;left:2px;top:.5em;width:8px;height:8px;border-radius:50%;
  background:linear-gradient(140deg,var(--brand-b),var(--brand-c))}
.key-points li strong{color:var(--text);font-weight:650}
.info-grid .panel p.lead + .key-points{margin-top:2px}

/* FP2: (spacing handled by tightened .home-section margin) */