/* =========================================================================
   Oliver4 DevTools - site stylesheet
   Design tokens taken from the Claude Design export "Oliver4 Website Final".
   ========================================================================= */

/* ---------- Tokens ---------- */
:root{
  /* brand */
  --blue:#0174fc;
  --blue-deep:#005ada;
  --blue-light:#4f9cff;
  --violet:#8c50ff;
  --violet-light:#b06bff;
  --link:#005ada;
  --link-hover:#1b56d6;
  --grad:linear-gradient(135deg,#005ada,#8c50ff);
  --grad-rule:linear-gradient(90deg,#0174fc,#4f9cff,#8c50ff);

  /* light surfaces */
  --page:#f7f9fc;
  --card:#ffffff;
  --line:#e3e9f2;
  --line-soft:#eef2f8;
  --ink:#16233b;
  --body:#44546e;
  --muted:#5a6b85;

  /* dark surfaces */
  --dark:#05070f;
  --dark-panel:rgba(11,15,30,.85);
  --dark-line:#1d2a44;
  --dark-foot:#04060d;
  --on-dark:#ffffff;
  --on-dark-body:#a9b8d4;
  --on-dark-muted:#8ea0be;
  --on-dark-accent:#7fb0ff;

  --r-sm:8px; --r-md:10px; --r-lg:14px; --r-xl:16px;
  --wrap:1140px;
  --pad:48px;

  --sans:"Manrope",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}

/* ---------- Base ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important}
}
body{
  margin:0;background:var(--page);color:var(--body);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
.ico{fill:currentColor;flex:none}
h1,h2,h3,h4{color:var(--ink);font-weight:800;letter-spacing:-.01em;line-height:1.2}
h1{font-size:clamp(28px,4.4vw,40px);margin:0}
h2{font-size:clamp(21px,2.6vw,24px);margin:0}
h3{font-size:18px;margin:0}
p{margin:0 0 16px}
a{color:var(--link);text-decoration:none}
a:hover{color:var(--link-hover);text-decoration:underline}
ul,ol{margin:0 0 16px;padding-left:22px}
li{margin:0 0 8px}
code,kbd{font-family:var(--mono);font-size:.9em}
:where(p,li) code{background:#eef1fc;color:#3a3190;padding:2px 6px;border-radius:5px;
  overflow-wrap:anywhere}
hr{border:0;border-top:1px solid var(--line);margin:40px 0}

/* Links inside body text are underlined so they are distinguishable without
   relying on colour (WCAG 1.4.1). Navigation, buttons and chips are excluded -
   they sit in their own block and are identifiable by position. */
.content p a:not(.btn),.content li a:not(.btn),.content dd a,.content .note a,
.page-head p a:not(.btn),.breadcrumb a{text-decoration:underline;text-underline-offset:2px}


/* focus - visible on every interactive element */
a:focus-visible,button:focus-visible,summary:focus-visible,[tabindex]:focus-visible{
  outline:3px solid var(--blue);outline-offset:2px;border-radius:4px;
}
.theme-dark a:focus-visible,.theme-dark button:focus-visible{outline-color:#7fb0ff}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:#fff;color:var(--ink);font-weight:700;padding:12px 20px;border-radius:0 0 var(--r-sm) 0;
}
.skip-link:focus{left:0}

.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--pad)}
.wrap--narrow{max-width:1044px}
.visually-hidden{
  position:absolute!important;width:1px;height:1px;margin:-1px;padding:0;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:9px;justify-content:center;
  font-family:inherit;font-weight:700;font-size:15px;line-height:1.2;
  padding:13px 24px;border-radius:var(--r-md);border:1px solid transparent;
  cursor:pointer;text-align:center;text-decoration:none;transition:transform .12s ease,box-shadow .12s ease,background-color .12s ease;
}
.btn:hover{text-decoration:none}
.btn svg{flex:none}
.btn--primary{background-image:var(--grad);color:#fff;box-shadow:0 6px 20px rgba(140,80,255,.28)}
.btn--primary:hover{color:#fff;box-shadow:0 8px 26px rgba(140,80,255,.42);transform:translateY(-1px)}
.btn--ghost{background:#fff;border-color:#c9d4e5;color:var(--ink)}
.btn--ghost:hover{color:var(--ink);border-color:#a9b9d1;background:#fbfcfe}
.btn--dark{background:#16233b;color:#fff}
.btn--dark:hover{color:#fff;background:#1f3153}
.btn--onDark{background:transparent;border-color:#2b3a58;color:#e6edf9}
.btn--onDark:hover{color:#fff;border-color:#4a5f8c;background:rgba(255,255,255,.05)}
.btn--white{background:#fff;color:#0c1630}
.btn--white:hover{color:#0c1630;background:#eef2f8}
.btn--sm{font-size:13px;padding:9px 16px}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- Header ---------- */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:12px;padding-bottom:12px}
.brand{display:inline-flex;align-items:center;flex:none}
.brand img{height:62px;width:auto;object-fit:contain}
.nav{display:flex;align-items:center;gap:26px}
.nav a{color:var(--muted);font-weight:600;font-size:15px}
.nav a:hover{color:var(--ink);text-decoration:none}
.nav a[aria-current]{color:var(--ink)}
.nav .nav-github{
  border:1px solid #d8cdf2;background:#f4effc;color:var(--ink);
  border-radius:var(--r-sm);padding:8px 14px;display:inline-flex;align-items:center;gap:7px;
}
.nav .nav-github:hover{background:#ece1fb}
.nav-toggle{display:none}
.header-rule{height:4px;background-image:var(--grad-rule)}

/* dark header (home) */
.theme-dark{background:var(--dark);color:var(--on-dark-body)}
.theme-dark .site-header{background:transparent;border-bottom:0}
/* Homepage (theme-dark) header logo: 50% larger than the other pages */
.theme-dark .site-header .brand img{height:93px}
.theme-dark .nav a{color:var(--on-dark-body)}
.theme-dark .nav a:hover,.theme-dark .nav a[aria-current]{color:#fff}
.theme-dark .nav .nav-github{border-color:rgba(140,90,255,.55);background:rgba(140,80,255,.12);color:#e6edf9}
.theme-dark .nav-toggle{background:transparent;border-color:#2b3a58;color:#e6edf9}
.theme-dark .nav-panel{background:#0b0f1e;border-color:var(--dark-line)}

/* ---------- Footer ---------- */
.site-footer{background:#0a0e1e;color:#8ea0be;font-size:14px;margin-top:auto}
.site-footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px 28px;flex-wrap:wrap;padding-top:22px;padding-bottom:22px}
.site-footer img{height:38px;width:auto}
.footer-links{display:flex;gap:24px;align-items:center;flex-wrap:wrap}
.site-footer a{color:#a9b8d4}
.site-footer a:hover{color:#fff}
.footer-copy{color:#8ea0be}
.footer-version{color:#6f819f;font-family:var(--mono);font-size:12px;letter-spacing:.06em}

/* page shell keeps the footer down on short pages */
html,body{height:auto}
body{display:flex;flex-direction:column;min-height:100vh}
main{flex:1 0 auto}

/* =========================================================================
   Home
   ========================================================================= */
/* The blue/violet field sits behind the whole top of the dark page, so it
   fades out into the tools section rather than stopping at a hard edge. */
.theme-dark{position:relative}
.theme-dark::before,.theme-dark::after{
  content:"";position:absolute;top:0;left:0;right:0;height:1100px;pointer-events:none;z-index:0;
}
.theme-dark::before{
  background:
    radial-gradient(1000px 520px at 66% 400px, rgba(47,125,246,.36), transparent 65%),
    radial-gradient(760px 460px at 92% 560px, rgba(140,80,255,.38), transparent 68%),
    radial-gradient(680px 420px at 8% 680px, rgba(140,80,255,.30), transparent 70%);
  -webkit-mask-image:linear-gradient(180deg,#000 62%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 62%,transparent 100%);
}
.theme-dark::after{
  background-image:radial-gradient(rgba(127,176,255,.16) 1px, transparent 1px);
  background-size:26px 26px;
  -webkit-mask-image:radial-gradient(960px 560px at 62% 380px,#000,transparent 78%);
  mask-image:radial-gradient(960px 560px at 62% 380px,#000,transparent 78%);
}
.theme-dark > *{position:relative;z-index:1}
/* The rule above also hits .site-header, overriding its own z-index:20 (same
   specificity, declared later), which dropped the header - and the absolutely
   positioned mobile nav panel hanging off it - below <main>. Restore it. */
.theme-dark > .site-header{z-index:30}
.hero{position:relative;padding-bottom:8px;overflow-x:clip}
/* the light band that sweeps behind the hero, as in the design */
.hero::before{
  content:"";position:absolute;top:10px;left:50%;margin-left:-690px;
  width:1450px;height:150px;border-radius:999px;pointer-events:none;z-index:0;
  background:linear-gradient(90deg,transparent,rgba(160,90,255,.18) 35%,rgba(38,196,255,.12) 70%,transparent);
  transform:rotate(4deg);filter:blur(28px);
}
.hero > .wrap{position:relative;z-index:1;overflow:hidden}
@media (min-width:1041px){.hero > .wrap{padding-right:0;overflow:visible}}
.hero-grid{display:grid;grid-template-columns:minmax(0,460px) minmax(0,1fr);align-items:start;gap:0;padding-top:8px}
.hero .eyebrow{font-family:var(--mono);font-size:13px;font-weight:600;letter-spacing:.14em;color:#4f9cff;margin:0 0 26px;line-height:1.4}
/* 26px of top spacing, which the now-removed empty .eyebrow paragraph used
   to contribute as its bottom margin. Keeps the h1 where it was. */
.hero h1{margin:26px 0 0;font-size:clamp(32px,5.2vw,54px);line-height:1.08;color:#fff;letter-spacing:-.02em;font-weight:800}
.hero h1 .accent{
  background:linear-gradient(90deg,#2A60E7,#b06bff);-webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:#7fb0ff;
}
.hero p{font-size:17px;line-height:1.65;color:var(--on-dark-body);margin:28px 0 0}
.hero .btn-row{margin-top:36px}
/* the art overhangs its column and bleeds off the right edge, as in the design */
.hero-art{position:relative;min-height:0}
.hero-art img{
  width:117%;max-width:none;margin-left:-4.8%;
  -webkit-mask-image:radial-gradient(closest-side at 50% 50%,#000 62%,transparent 100%);
  mask-image:radial-gradient(closest-side at 50% 50%,#000 62%,transparent 100%);
}

.section{padding:56px 0}
.section-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:24px}
.section-head h2{font-size:clamp(24px,3.2vw,30px)}
.theme-dark .section-head h2{color:#fff}
.section-more{font-size:14px;font-weight:700;color:#7fb0ff}

/* tool cards */
.tool-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.tool-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;display:flex;flex-direction:column;
}
.theme-dark .tool-card{background:var(--dark-panel);border-color:var(--dark-line);backdrop-filter:blur(6px)}
.tool-card__bar{height:6px}
.tool-card:nth-child(1) .tool-card__bar{background:linear-gradient(90deg,#0174fc,#4f9cff)}
.tool-card:nth-child(2) .tool-card__bar{background:linear-gradient(90deg,#4f9cff,#8c50ff)}
.tool-card:nth-child(3) .tool-card__bar{background:linear-gradient(90deg,#8c50ff,#0174fc)}
.tool-card:nth-child(4) .tool-card__bar{background:linear-gradient(90deg,#0174fc,#8c50ff)}
.tool-card__shot{width:100%;height:170px;object-fit:cover;object-position:top left;background:#0a1122}
/* stands in for a tool card screenshot that has not been supplied yet */
.tool-card__shot--pending{display:grid;place-items:center;font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#9fb3d1;background:linear-gradient(135deg,#0a1122,#16233b)}
.tool-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1}
.tool-card__meta{font-family:var(--mono);font-size:15px;letter-spacing:.08em;color:#3f6ea8;text-transform:uppercase;margin:0}
.theme-dark .tool-card__meta{color:#7fb0ff}
.tool-card .tool-card__name{font-size:19px;font-weight:800;color:var(--ink);margin:10px 0 0}
.theme-dark .tool-card__name{color:#fff}
.tool-card__desc{font-size:14px;line-height:1.55;color:var(--body);flex:1;margin:0}
.theme-dark .tool-card__desc{color:var(--on-dark-body)}
.tool-card__actions{display:flex;gap:10px;flex-wrap:wrap}

/* principles */
ul.principles,.principles{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin:56px 0 0;padding-top:40px;border-top:1px solid var(--dark-line)}
.principles h3{font-size:16px;font-weight:800;margin:0 0 6px}
.principles p{font-size:14px;line-height:1.5;color:var(--on-dark-body);margin:0}
.principles li:nth-child(1) h3{color:#0174fc}
.principles li:nth-child(2) h3{color:#4f9cff}
.principles li:nth-child(3) h3{color:#8c7bff}
.principles li:nth-child(4) h3{color:#b06bff}
.list-reset{list-style:none;margin:0;padding:0}
.list-reset li{margin:0}

/* github band */
.band{
  display:flex;align-items:center;justify-content:space-between;gap:20px 28px;flex-wrap:wrap;
  border-radius:var(--r-xl);padding:26px 32px;margin:48px 0;
}
.band--dark{background:linear-gradient(120deg,#101736,#241a4d)}
.band--glow{background:linear-gradient(120deg,rgba(27,86,214,.35),rgba(140,80,255,.30));border:1px solid rgba(140,90,255,.40)}
.band h2,.band p{color:#fff}
.band h2{font-size:20px}
.band p{color:var(--on-dark-body);font-size:14px;margin:6px 0 0}

/* =========================================================================
   Light interior pages
   ========================================================================= */
.page-head{background:linear-gradient(180deg,#fdfdff,#f4f2fc);border-bottom:1px solid var(--line);padding:44px 0}
.page-head p.lede{font-size:17px;line-height:1.65;color:var(--body);max-width:760px;margin:16px 0 0}
.disclaimer{
  display:flex;align-items:center;gap:10px;max-width:760px;margin:16px 0 0;
  background:#f4f2fc;border:1px solid #e3d9f5;border-radius:8px;
  padding:12px 16px;font-size:14px;line-height:1.5;color:var(--body);
}
.disclaimer__ico{flex:0 0 auto;width:18px;height:18px;color:#7a5fc2}
.breadcrumb{font-size:13px;color:var(--muted);font-weight:600;margin:0 0 14px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--ink)}

.content{padding:40px 0 56px}
.content > * + *{margin-top:16px}
.content h2{margin:44px 0 12px;scroll-margin-top:24px}
.content h3{margin:28px 0 8px;scroll-margin-top:24px}
.content h2:first-child{margin-top:0}
.content section{margin-top:44px}
.content section > h2:first-child,.content section > h2:first-of-type{margin-top:0}
.content > section:first-of-type{margin-top:40px}
.prose{max-width:760px}
.prose--full{max-width:none}

/* quick facts */
.facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:0;
}
.facts > div{background:#fff;padding:16px 20px}
.facts dt{font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted);text-transform:uppercase}
.facts dd{margin:5px 0 0;font-size:14px;color:var(--ink);font-weight:700}

/* method choice */
.methods{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:14px}
.method{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
  display:flex;flex-direction:column;gap:10px;
}
.method--ext{border-top:3px solid var(--blue-light)}
.method--book{border-top:3px solid var(--violet)}
.method h3{font-size:17px}
.method p{font-size:14px;line-height:1.6;color:var(--body);margin:0}
.method .best-for{font-size:13px;color:var(--muted)}
.method .best-for b{color:var(--ink)}
.method .btn{align-self:flex-start;margin-top:6px}
.method--rec{
  position:relative;
  border-color:#c6dcff;border-top-color:var(--blue);
  background:linear-gradient(180deg,#f3f8ff,#fff 140px);
  box-shadow:0 2px 12px rgba(1,116,252,.10);
}
.method .method__badge{
  position:absolute;top:14px;right:14px;
  display:inline-flex;align-items:center;gap:5px;
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;background:linear-gradient(135deg,#005ada,#7433d6);padding:5px 10px;border-radius:999px;
}
.method .method__badge svg{width:12px;height:12px;flex:none}
.method .method__default{font-size:13px;color:var(--ink);font-weight:600}

/* method chooser - progressive enhancement, hidden entirely without JavaScript */
.chooser{display:none}
.js .chooser{
  display:block;position:relative;overflow:hidden;
  background:linear-gradient(180deg,#eaf1ff,#f8fbff 260px);
  border:1px solid #bfd5f6;border-radius:var(--r-lg);
  box-shadow:0 10px 30px rgba(10,20,40,.09);
  padding:26px 28px;margin-top:26px;
}
.chooser::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.chooser__head{display:flex;gap:16px;align-items:flex-start;justify-content:space-between;flex-wrap:wrap}
.chooser__title{display:flex;gap:12px;align-items:center}
.chooser h3{font-size:20px;margin:0}
.chooser__icon{
  width:42px;height:42px;border-radius:12px;flex:none;color:#fff;
  background:var(--grad);display:grid;place-items:center;
  box-shadow:0 5px 14px rgba(1,116,252,.28);
}
.chooser__icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round}
.chooser__sub{font-size:14.5px;color:var(--body);margin:5px 0 0}
.chooser__step{
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--blue-deep);background:#fff;border:1px solid #c3d8f7;border-radius:999px;padding:5px 11px;
}
.chooser .btn-row{margin-top:18px}
.chooser [tabindex="-1"]:focus{outline:none}
/* .btn-row is display:flex, which outranks the browser's [hidden] rule */
.chooser [hidden]{display:none}

/* chooser - a question */
.q{margin-top:22px;padding-top:22px;border-top:1px solid #cfe0fa}
.q__legend{font-size:19px;line-height:1.35;margin:0 0 5px}
.q__hint{font-size:13.5px;line-height:1.6;color:var(--muted);margin:0 0 14px}
.opts__label{
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--blue-deep);margin:0 0 10px;
}
.q__hint code{font-size:12px}
.q__hint b{color:var(--ink)}
.opts{display:grid;gap:12px}
.opt{
  display:flex;gap:14px;align-items:center;width:100%;text-align:left;
  font-family:inherit;font-size:15px;font-weight:700;color:var(--ink);
  background:#fff;border:2px solid #cbdefa;border-left:6px solid #7aa9f0;
  border-radius:var(--r-md);padding:15px 16px 15px 18px;cursor:pointer;
  box-shadow:0 1px 3px rgba(10,20,40,.05);
  transition:border-color .12s ease,background-color .12s ease,box-shadow .12s ease,transform .12s ease;
}
.opt > span{flex:1 1 auto}
.opt:focus-visible{
  border-color:var(--blue-deep);background:#f4f9ff;transform:translateY(-1px);
  box-shadow:0 6px 18px rgba(1,116,252,.18);
}
/* hover only where a real pointer can hover - on touch screens iOS leaves :hover
   stuck at the tap point, so the next question's option under the finger looked pre-selected */
@media (hover:hover) and (pointer:fine){
  .chooser:not(.chooser--settling) .opt:hover{
    border-color:var(--blue-deep);background:#f4f9ff;transform:translateY(-1px);
    box-shadow:0 6px 18px rgba(1,116,252,.18);
  }
  .chooser:not(.chooser--settling) .opt--unsure:hover{
    border-color:#8fa3bd;background:#f7f9fc;box-shadow:0 6px 18px rgba(10,20,40,.12);
  }
}
.opt em{display:block;font-style:normal;font-weight:400;font-size:13.5px;line-height:1.5;color:var(--muted);margin-top:3px}
.opt svg{width:15px;height:15px;flex:none;fill:var(--blue-deep)}
.opt--unsure{border-style:dashed;border-left-style:solid;border-color:#d3dcea;border-left-color:#aebbcd}
.opt--unsure:focus-visible{
  border-color:#8fa3bd;background:#f7f9fc;box-shadow:0 6px 18px rgba(10,20,40,.12);
}
.opt--unsure svg{fill:#5a6b85}
.q__nav{display:flex;gap:20px;align-items:center;margin-top:16px}
.linkbtn{
  background:none;border:0;padding:0;font:inherit;font-size:14px;font-weight:700;
  color:var(--link);cursor:pointer;text-decoration:underline;text-underline-offset:2px;
}
.linkbtn:hover{color:var(--link-hover)}

/* chooser - an answer */
.res{
  border:1px solid #a8c9f7;border-radius:var(--r-lg);padding:22px 24px;margin-top:20px;
  background:linear-gradient(180deg,#f3f8ff,#fff 150px);
  box-shadow:0 6px 20px rgba(10,20,40,.08);
}
.res--book{border-color:#e0d2f7;background:linear-gradient(180deg,#f7f3ff,#fff 150px)}
.res--stop{border-color:#f0cdb8;background:linear-gradient(180deg,#fff5ef,#fff 150px)}
.res--check{border-color:#f2e0bd;background:linear-gradient(180deg,#fff8ec,#fff 150px)}
.res__flag{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;
  font-family:var(--mono);font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:#fff;background:linear-gradient(135deg,#005ada,#7433d6);padding:5px 10px;border-radius:999px;
}
.res--book .res__flag{background:linear-gradient(135deg,#5b2bb0,#7433d6)}
.res--stop .res__flag{background:#9c4a17}
.res--check .res__flag{background:#7d5a1c}
.res__flag svg{width:12px;height:12px;flex:none;fill:currentColor}
.res h4{font-size:19px;margin:0 0 6px}
.res__why{list-style:none;padding:0;margin:12px 0 0}
.res__why li{display:flex;gap:9px;align-items:flex-start;font-size:14px;line-height:1.6;color:var(--body);margin:0 0 7px}
.res__why li svg{width:15px;height:15px;flex:none;margin-top:4px;fill:var(--blue-deep)}
.res--book .res__why li svg{fill:#7433d6}
.res--stop .res__why li svg{fill:#9c4a17}
.res--check .res__why li svg{fill:#7d5a1c}
.res__foot{font-size:13px;line-height:1.6;color:var(--muted);margin:18px 0 0}
.res__nav{margin-top:14px;padding-top:14px;border-top:1px solid var(--line)}
.res__foot code{font-size:12px}

/* on this page */
.onthispage{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:36px 0 0;padding:0}
.onthispage .label{font-size:13px;color:var(--muted);font-weight:700}
.onthispage a{
  background:#eef1fc;color:#4a3fae;font-size:13px;font-weight:700;
  padding:7px 14px;border-radius:999px;display:inline-block;
}
.onthispage a:hover{background:#e2e6fb;color:#3a3190;text-decoration:none}

/* figures */
.shot{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin:24px 0 0;
}
.shot img{width:100%;display:block;background:#f4f6fa}
.shot figcaption{
  padding:14px 20px;font-size:13.5px;line-height:1.55;font-weight:600;color:#e8edf7;
  background:#16233b;border-top:1px solid #16233b;
}
/* screenshot not supplied yet - same frame as .shot, no zoom trigger */
.shot-placeholder{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;margin:24px 0 0}
.shot-placeholder__frame{aspect-ratio:16/9;display:grid;place-items:center;background:repeating-linear-gradient(135deg,#f4f6fa 0 14px,#eceff5 14px 28px)}
.shot-placeholder__frame span{font-family:var(--mono);font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:#4a5a75;background:#fff;border:1px solid var(--line);border-radius:999px;padding:6px 14px}
.shot-placeholder figcaption{padding:14px 20px;font-size:13.5px;line-height:1.55;font-weight:600;color:#e8edf7;background:#16233b}

/* screenshots open full screen when JavaScript is available */
.shot-trigger{
  display:block;width:100%;padding:0;margin:0;border:0;background:none;cursor:zoom-in;
  font:inherit;color:inherit;
}
.shot-trigger:focus-visible{outline:3px solid var(--blue);outline-offset:-3px}
.shot-trigger--quiet:focus-visible{outline:none}
.shot-zoom{
  position:fixed;inset:0;z-index:100;display:flex;align-items:center;justify-content:center;
  padding:32px;background:rgba(5,7,15,.92);cursor:zoom-out;
}
.shot-zoom[hidden]{display:none}
.shot-zoom figure{
  margin:0;width:100%;max-width:1700px;display:flex;flex-direction:column;gap:14px;align-items:center;
}
.shot-zoom img{
  width:100%;height:calc(100vh - 150px);object-fit:contain;object-position:center;
  max-width:none;background:none;
}
.shot-zoom figcaption{
  max-width:900px;text-align:center;font-size:14px;line-height:1.55;font-weight:600;color:#e8edf7;
  background:#16233b;border-radius:var(--r-md);padding:12px 18px;
}
.shot-zoom__close{
  position:absolute;top:16px;right:16px;display:inline-flex;align-items:center;gap:8px;
  font-family:var(--sans);font-size:14px;font-weight:700;color:#fff;cursor:pointer;
  background:rgba(22,35,59,.95);border:1px solid #2b3a58;border-radius:var(--r-md);padding:10px 16px;
}
.shot-zoom__close:hover{background:#22314f}
.shot-zoom__close:focus-visible{outline:3px solid #7fb0ff;outline-offset:2px}
@media (max-width:640px){
  .shot-zoom{padding:16px}
  .shot-zoom__close{top:8px;right:8px;padding:8px 12px}
  .shot-zoom img{height:calc(100vh - 170px)}
}

/* feature list */
.features{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:16px;padding:0;list-style:none}
.features li{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:22px;margin:0}
.features h3{font-size:16px;margin:0 0 8px}
.features p{font-size:14px;line-height:1.6;margin:0;color:var(--body)}

/* install blocks */
.install{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px 28px;margin-top:18px}
.install--ext{border-top:3px solid var(--blue-light)}
.install--book{border-top:3px solid var(--violet)}
.install h3{margin-top:0}
.install ol{padding-left:20px}
.install ol li{margin-bottom:12px}
.effort{
  display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13px;color:var(--muted);
  background:#f7f9fc;border:1px solid var(--line);border-radius:var(--r-sm);padding:12px 16px;margin:0 0 18px;
}
.effort b{color:var(--ink)}

/* notes and callouts */
.note{
  background:#f4f2fc;border:1px solid #e3d9f5;border-radius:12px;
  padding:16px 22px;font-size:14px;line-height:1.6;color:var(--body);margin:18px 0 0;
}
.note--warn{background:#fff8ec;border-color:#f2e0bd}
.note p:last-child,.note ul:last-child,.note li:last-child{margin-bottom:0}
.note strong{color:var(--ink)}

/* code / bookmarklet */
.codebox{
  background:#0d1426;color:#d7e3f7;border-radius:var(--r-md);padding:14px 16px;
  font-family:var(--mono);font-size:13px;line-height:1.6;overflow-x:auto;
  white-space:pre;margin:0 0 12px;
}
.codebox--wrap{white-space:pre-wrap;overflow-wrap:anywhere}
.bookmarklet-drag{
  display:inline-flex;align-items:center;gap:9px;background:var(--grad);color:#fff;
  font-weight:700;font-size:15px;padding:13px 24px;border-radius:var(--r-md);cursor:grab;
  box-shadow:0 6px 20px rgba(140,80,255,.28);
}
.bookmarklet-drag:hover{color:#fff;text-decoration:none}
.copy-row{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px}
.copy-status{font-size:13px;color:var(--muted)}

/* two column text */
.cols-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:48px}
.cards-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;list-style:none;margin:0;padding:0}
.cards-4 li{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin:0}
.cards-4 h3{font-size:15px;margin:0 0 6px}
.cards-4 p{font-size:13px;line-height:1.6;color:var(--muted);margin:0}
.cards-4 li:nth-child(1){border-top:3px solid #0174fc}
.cards-4 li:nth-child(2){border-top:3px solid #005ada}
.cards-4 li:nth-child(3){border-top:3px solid #8c50ff}
.cards-4 li:nth-child(4){border-top:3px solid #b06bff}

/* "Why build another toolkit?" - three reason cards on a tool page */
.why{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;list-style:none;margin:18px 0 0;padding:0}
.why--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.why > li{
  position:relative;overflow:hidden;display:flex;flex-direction:column;margin:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px 22px 20px;
  box-shadow:0 4px 14px rgba(16,35,80,.05);
}
.why > li::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad)}
.why__icon{
  width:42px;height:42px;border-radius:12px;flex:none;color:#fff;
  background:var(--grad);display:grid;place-items:center;box-shadow:0 5px 14px rgba(1,116,252,.28);
}
.why__icon svg{width:21px;height:21px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.why > li h3{font-size:17px;margin:16px 0 8px}
.why > li > p{font-size:14px;line-height:1.6;color:var(--body);margin:0 0 18px}
.why__vs{margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);display:grid;gap:8px}
.why .why__row{display:flex;gap:9px;align-items:flex-start;font-size:13px;line-height:1.5;margin:0}
.why__row svg{
  width:18px;height:18px;flex:none;border-radius:50%;padding:3px;margin-top:0;
  fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;
}
.why__row--no{color:var(--muted)}
.why__row--no svg{background:#eef2f8;color:#6b7a93}
.why__row--yes{color:var(--ink);font-weight:700}
.why__row--yes svg{background:var(--grad);color:#fff}

.cards-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;list-style:none;margin:0;padding:0}
.cards-2 li{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;margin:0;display:flex;flex-direction:column;gap:12px}
.cards-2 li:nth-child(1){border-top:3px solid #005ada}
.cards-2 li:nth-child(2){border-top:3px solid #8c50ff}
.cards-2 h2{font-size:18px}
.cards-2 p{font-size:14px;line-height:1.65;margin:0}
.cards-2 .btn{align-self:flex-start}

/* detail/expander for the long feature list */
details.more{border:1px solid var(--line);border-radius:var(--r-lg);background:#fff;padding:0;margin-top:18px}
details.more > summary{
  cursor:pointer;padding:16px 22px;font-weight:700;color:var(--ink);font-size:15px;
  list-style:none;display:flex;align-items:center;gap:10px;
}
details.more > summary::-webkit-details-marker{display:none}
details.more > summary::after{content:"+";margin-left:auto;font-size:20px;color:var(--muted);line-height:1}
details.more[open] > summary::after{content:"\2212"}
details.more .more-body{padding:0 22px 22px;border-top:1px solid var(--line-soft)}
.more-body h3{font-size:14px;margin:20px 0 8px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;font-family:var(--mono);font-weight:600}
.more-body ul{columns:2;column-gap:32px;font-size:14px;padding-left:20px}
.more-body li{break-inside:avoid;margin-bottom:6px}

/* =========================================================================
   Responsive
   ========================================================================= */
@media (max-width:1040px){
  :root{--pad:32px}
  .hero-grid{grid-template-columns:1fr;gap:24px}
  .hero-art{order:-1}
  .hero-art img{width:100%;max-width:560px;margin-left:auto;margin-right:auto}
  .hero::before{width:1200px;margin-left:-600px}
  .tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  ul.principles,.principles{grid-template-columns:repeat(2,minmax(0,1fr))}
  .facts{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cards-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cols-2{gap:32px}
}

@media (max-width:900px){
  /* Without JavaScript the nav simply stacks under the header and stays usable.
     The .js class (set inline in the head) switches on the collapsible version. */
  .site-header .wrap{flex-wrap:wrap}
  .nav{
    order:3;width:100%;flex-direction:column;align-items:stretch;gap:0;
    margin:0 calc(var(--pad) * -1);padding:8px 0;
    border-top:1px solid var(--line);
  }
  .nav a{padding:13px var(--pad);font-size:16px}
  .nav a:hover{background:#f4f6fb;text-decoration:none}
  .nav a[aria-current]{box-shadow:inset 3px 0 0 var(--blue)}
  .nav .nav-github{margin:8px var(--pad) 4px;justify-content:center;padding:12px 16px}
  .theme-dark .nav{border-color:var(--dark-line)}
  .theme-dark .nav a:hover{background:#101830}

  .js .nav-toggle{
    display:inline-flex;align-items:center;gap:9px;background:#fff;border:1px solid #c9d4e5;
    color:var(--ink);font-family:inherit;font-weight:700;font-size:14px;
    padding:10px 14px;border-radius:var(--r-sm);cursor:pointer;
  }
  .js .theme-dark .nav-toggle,.theme-dark .js .nav-toggle{background:rgba(140,80,255,.12);border-color:rgba(140,90,255,.55);color:#e6edf9}
  .js .nav{
    display:none;position:absolute;top:100%;left:0;right:0;width:auto;margin:0;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 40px rgba(10,20,40,.16);
  }
  .js .nav.is-open{display:flex}
  .js .theme-dark .nav,.theme-dark .js .nav{
    background:#080c18;border-bottom-color:var(--dark-line);
    box-shadow:0 18px 40px rgba(0,0,0,.55);
  }

  .brand img{height:52px}
  .theme-dark .site-header .brand img{height:78px}
  .cols-2{grid-template-columns:1fr}
  .features{grid-template-columns:1fr}
  .methods{grid-template-columns:1fr}
  .why{grid-template-columns:1fr}
  .cards-2{grid-template-columns:1fr}
  .more-body ul{columns:1}
}

@media (max-width:660px){
  :root{--pad:20px}
  body{font-size:15px}
  .tool-grid{grid-template-columns:1fr}
  ul.principles,.principles{grid-template-columns:1fr;gap:22px}
  .cards-4{grid-template-columns:1fr}
  .facts{grid-template-columns:1fr}
  .section{padding:40px 0}
  .page-head{padding:32px 0}
  .content{padding:28px 0 44px}
  .content h2{margin:36px 0 10px}
  .band{padding:22px;margin:36px 0}
  .install{padding:20px}
  .js .chooser{padding:20px}
  .chooser h3{font-size:18px}
  .q__legend{font-size:17px}
  .res{padding:20px}
  .opt{font-size:14px}
  .brand img{height:46px}
  .theme-dark .site-header .brand img{height:69px}
  .btn{width:100%}
  .btn-row .btn{width:100%}
  .tool-card__actions .btn{width:100%}
  .band .btn{width:100%}
  .method .btn,.cards-2 .btn{align-self:stretch}
  .bookmarklet-drag{width:100%;justify-content:center}
  .site-footer .wrap{flex-direction:column;align-items:flex-start;gap:16px}
  .footer-links{gap:14px 20px}
  .onthispage{
    flex-wrap:nowrap;overflow-x:auto;padding-bottom:8px;
    -webkit-overflow-scrolling:touch;scrollbar-width:thin;
  }
  .onthispage a{white-space:nowrap}
  .onthispage .label{position:sticky;left:0}
}

/* print */
@media print{
  .site-header,.site-footer,.onthispage,.nav-toggle,.skip-link{display:none}
  .js .chooser{display:none}
  body{background:#fff}
  .shot,.shot-placeholder,.install,.method,.why > li{break-inside:avoid}
}