/* ============================================================
   Clean Boot Lab — stylesheet
   Palette: cool "workbench" navy + toggle amber + instrument cyan
   ============================================================ */

:root{
  --ink:#0C1320;
  --ink-soft:#16202F;
  --slate:#4C5B72;
  --slate-light:#7C8AA0;
  --paper:#F5F7F9;
  --card:#FFFFFF;
  --line:#E2E7ED;
  --line-dark:#243044;
  --amber:#FFB224;
  --amber-deep:#C97A00;
  --cyan:#16C0D4;
  --red:#E0524B;

  --display:'Familjen Grotesk','Segoe UI',system-ui,sans-serif;
  --body:'Newsreader',Georgia,'Times New Roman',serif;
  --mono:'JetBrains Mono',ui-monospace,'Cascadia Mono',Consolas,monospace;

  --wrap:1140px;
  --narrow:720px;
  --r:14px;
  --shadow:0 1px 2px rgba(12,19,32,.05),0 12px 32px -18px rgba(12,19,32,.35);
  --shadow-lg:0 2px 4px rgba(12,19,32,.06),0 34px 60px -30px rgba(12,19,32,.45);
}

*,*::before,*::after{box-sizing:border-box}

html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}

body{
  margin:0;
  overflow-wrap:break-word;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--body);
  font-size:1.0625rem;
  line-height:1.7;
  font-synthesis-weight:none;
}

img{max-width:100%;height:auto;display:block}

a{color:var(--ink);text-decoration-color:var(--amber);text-underline-offset:3px;text-decoration-thickness:1.5px}
a:hover{text-decoration-color:var(--ink)}

:focus-visible{outline:3px solid var(--cyan);outline-offset:2px;border-radius:4px}

h1,h2,h3,h4,h5{font-family:var(--display);font-weight:700;letter-spacing:-.02em;line-height:1.12;margin:0 0 .5em}
h1{font-size:clamp(2.1rem,5.2vw,3.4rem)}
h2{font-size:clamp(1.6rem,3.4vw,2.35rem)}
h3{font-size:clamp(1.2rem,2.2vw,1.5rem)}
h4{font-size:1.075rem;letter-spacing:-.01em}
p{margin:0 0 1.15em}

/* ---------- layout ---------- */
.wrap{width:min(100% - 2.5rem,var(--wrap));margin-inline:auto}
.narrow{width:min(100% - 2.5rem,var(--narrow));margin-inline:auto}
.section{padding:clamp(3.5rem,7vw,6rem) 0}
.section--tight{padding:clamp(2.25rem,4vw,3.25rem) 0}
.section--dark{background:var(--ink);color:#E7EDF5}
.section--dark h2,.section--dark h3{color:#fff}
.section--dark a{color:#fff;text-decoration-color:var(--amber)}
.section--rule{border-top:1px solid var(--line)}

.grid{display:grid;gap:1.5rem}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(300px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(268px,1fr))}
.split{display:grid;gap:clamp(2rem,5vw,4rem);align-items:start;grid-template-columns:1fr 1.15fr}
.split--even{grid-template-columns:1fr 1fr}
@media (max-width:860px){.split,.split--even{grid-template-columns:1fr}}
.stack>*+*{margin-top:1rem}

/* ---------- utility type ---------- */
.eyebrow{
  font-family:var(--mono);font-size:.76rem;font-weight:500;
  letter-spacing:.18em;text-transform:uppercase;color:var(--amber-deep);
  display:flex;align-items:center;gap:.6rem;margin:0 0 1rem
}
.eyebrow::before{content:"";width:26px;height:1px;background:currentColor;flex:none}
.section--dark .eyebrow{color:var(--amber)}
.lede{font-size:clamp(1.1rem,2vw,1.3rem);line-height:1.6;color:var(--slate)}
.section--dark .lede{color:#AFBDCF}
.small{font-size:.9rem;color:var(--slate)}
.mono{font-family:var(--mono);font-size:.85em}
.center{text-align:center}
.mt0{margin-top:0}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--display);font-weight:600;font-size:.98rem;letter-spacing:-.01em;
  padding:.78rem 1.35rem;border-radius:999px;border:1.5px solid transparent;
  text-decoration:none;cursor:pointer;transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{background:var(--amber);color:#231400;border-color:var(--amber)}
.btn-primary:hover{background:#FFC24D}
.btn-ghost{border-color:var(--line-dark);color:inherit;background:transparent}
.section--dark .btn-ghost{border-color:#33425A;color:#E7EDF5}
.btn-ghost:hover{border-color:var(--amber)}
.btn-line{background:transparent;border-color:var(--line);color:var(--ink)}
.btn-line:hover{border-color:var(--ink)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(245,247,249,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:1.25rem;min-height:68px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.06rem;letter-spacing:-.02em}
.brand svg{flex:none}
.brand span small{display:block;font-family:var(--mono);font-size:.58rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-light);font-weight:400}
.nav{margin-left:auto;display:flex;align-items:center;gap:.35rem}
.nav a{
  font-family:var(--display);font-weight:500;font-size:.94rem;text-decoration:none;color:var(--slate);
  padding:.45rem .7rem;border-radius:8px;transition:color .15s ease,background .15s ease
}
.nav a:hover{color:var(--ink);background:rgba(12,19,32,.05)}
.nav a[aria-current="page"]{color:var(--ink);box-shadow:inset 0 -2px 0 var(--amber)}
.nav .btn{margin-left:.5rem;padding:.55rem 1.05rem;font-size:.9rem}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:.5rem .6rem;cursor:pointer}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px}
.nav-toggle span+span{margin-top:4px}

@media (max-width:900px){
  .js .nav-toggle{display:block}
  /* No-JS fallback: a compact wrapping row, not a full-height stack. */
  .nav{
    flex-direction:row;flex-wrap:wrap;align-items:center;gap:.15rem;width:100%;
    background:var(--paper);padding:0 0 .6rem;margin:0
  }
  .nav a{padding:.4rem .55rem;border-bottom:0;font-size:.9rem}
  .nav .btn{margin:0 0 0 auto;padding:.42rem .9rem;font-size:.85rem}
  .js .nav{
    position:fixed;inset:68px 0 auto 0;border-bottom:1px solid var(--line);
    padding:.75rem 1.25rem 1.25rem;display:none
  }
  .js .nav.open{display:flex}
  .js .nav{flex-direction:column;align-items:stretch;gap:0}
  .js .nav a{padding:.7rem .25rem;border-bottom:1px solid var(--line);font-size:.94rem}
  .js .nav .btn{margin:.85rem 0 0;justify-content:center;padding:.55rem 1.05rem;font-size:.9rem}
  .header-inner{flex-wrap:wrap;padding-bottom:.25rem}
  .js .header-inner{flex-wrap:nowrap;padding-bottom:0}
}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--ink);color:#E7EDF5;overflow:hidden;
  padding:clamp(3.5rem,8vw,6.5rem) 0 clamp(3rem,6vw,5rem);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.028) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.028) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(ellipse 80% 70% at 60% 30%,#000 40%,transparent 100%);
}
.hero::after{
  content:"";position:absolute;width:520px;height:520px;right:-140px;top:-190px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,178,36,.16),transparent 66%);filter:blur(6px)
}
.hero-inner{position:relative;z-index:2;display:grid;gap:clamp(2.5rem,5vw,4rem);grid-template-columns:1.05fr .95fr;align-items:center}
@media (max-width:940px){.hero-inner{grid-template-columns:1fr}}
.hero h1{color:#fff;font-size:clamp(2.3rem,5.6vw,3.85rem)}
.hero h1 em{font-style:normal;color:var(--amber)}
.hero .lede{max-width:34rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:2rem}
.hero-meta{display:flex;flex-wrap:wrap;gap:1.75rem;margin-top:2.5rem;padding-top:1.5rem;border-top:1px solid var(--line-dark)}
.hero-meta div{min-width:96px}
.hero-meta b{display:block;font-family:var(--display);font-size:1.4rem;color:#fff;letter-spacing:-.02em}
.hero-meta span{font-family:var(--mono);font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-light)}

/* ---------- signature: toggle rail ---------- */
.rail{
  overflow:hidden;
  background:linear-gradient(180deg,#131E2E,#0F1826);
  border:1px solid var(--line-dark);border-radius:18px;padding:1.35rem;
  box-shadow:0 40px 80px -40px rgba(0,0,0,.9);
}
.rail-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding-bottom:.9rem;border-bottom:1px solid var(--line-dark);margin-bottom:.35rem}
.rail-head p{margin:0;font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;color:var(--slate-light)}
.rail-count{font-family:var(--display);font-weight:700;color:var(--amber);font-size:.95rem}
.rail-row{display:flex;align-items:center;gap:.9rem;padding:.72rem .25rem;border-bottom:1px dashed rgba(255,255,255,.07)}
.rail-row:last-child{border-bottom:0}
.rail-row .label{flex:1;min-width:0}
.rail-row .label b{display:block;font-family:var(--display);font-weight:600;font-size:.95rem;color:#EAF1F9;letter-spacing:-.01em}
.rail-row .label span{font-family:var(--mono);font-size:.66rem;color:#63748B;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.sw{
  flex:none;width:46px;height:26px;border-radius:999px;background:var(--amber);
  position:relative;transition:background .45s ease;border:1px solid rgba(255,255,255,.12)
}
.sw::after{
  content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;
  background:#0C1320;transition:transform .45s cubic-bezier(.6,.05,.3,1)
}
.sw.off{background:#26344A}
.sw.off::after{transform:translateX(20px);background:#5C6C84}
.rail-foot{margin:.9rem 0 0;padding-top:.9rem;border-top:1px solid var(--line-dark);font-family:var(--mono);font-size:.76rem;color:#63748B;line-height:1.6}

/* ---------- cards ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.6rem;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CBD4DE}
.card h3{margin-bottom:.4rem}
.card p:last-child{margin-bottom:0}
.card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:1rem;
  background:linear-gradient(140deg,#FFF3DC,#FFE1AB);border:1px solid #F3D9A8;color:var(--amber-deep)
}
.card--dark{background:var(--ink-soft);border-color:var(--line-dark);color:#D5DFEB}
.card--dark .ico{background:rgba(255,178,36,.12);border-color:rgba(255,178,36,.28);color:var(--amber)}

/* post cards */
.post-card{display:flex;flex-direction:column;height:100%}
.post-card .tag{margin-bottom:.85rem}
.post-card h3 a{text-decoration:none}
.post-card h3 a:hover{text-decoration:underline}
.post-card .meta{margin-top:auto;padding-top:1.1rem;font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-light)}
.tag{
  display:inline-block;font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;
  padding:.3rem .6rem;border-radius:999px;background:#EEF2F6;color:var(--slate);border:1px solid var(--line)
}
.tag--amber{background:#FFF4DF;color:var(--amber-deep);border-color:#F5DCAE}

/* ---------- article ---------- */
.article-head{padding:clamp(2.5rem,5vw,4rem) 0 1.5rem;border-bottom:1px solid var(--line)}
.article-head h1{max-width:20ch}
.byline{display:flex;flex-wrap:wrap;gap:.6rem 1.25rem;align-items:center;font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-light);margin-top:1.5rem}
.prose{padding:2.5rem 0 1rem}
.prose h2{margin-top:2.4em}
.prose h3{margin-top:1.9em}
.prose ul,.prose ol{padding-left:1.15rem;margin:0 0 1.3em}
.prose li{margin-bottom:.5em}
.prose li::marker{color:var(--amber-deep)}
.prose blockquote{
  margin:2rem 0;padding:.2rem 0 .2rem 1.4rem;border-left:3px solid var(--amber);
  font-size:1.15rem;line-height:1.55;color:var(--ink)
}
.prose blockquote p:last-child{margin-bottom:0}
.prose figure{margin:2rem 0}
.prose figcaption{font-family:var(--mono);font-size:.72rem;color:var(--slate-light);margin-top:.6rem;line-height:1.6}
.prose hr{border:0;border-top:1px solid var(--line);margin:2.75rem 0}
code{font-family:var(--mono);font-size:.86em;background:#EDF1F5;border:1px solid var(--line);border-radius:5px;padding:.1em .38em}
pre{
  max-width:100%;
  background:var(--ink);color:#DCE6F1;border-radius:12px;padding:1.15rem 1.25rem;overflow-x:auto;
  font-family:var(--mono);font-size:.82rem;line-height:1.75;border:1px solid var(--line-dark)
}
pre code{background:none;border:0;padding:0;color:inherit;font-size:inherit}
kbd{
  font-family:var(--mono);font-size:.78em;background:#fff;border:1px solid #C9D3DE;border-bottom-width:2px;
  border-radius:6px;padding:.12em .45em
}

.note{
  border:1px solid var(--line);border-left:4px solid var(--cyan);background:#fff;
  border-radius:10px;padding:1.15rem 1.3rem;margin:1.9rem 0
}
.note--warn{border-left-color:var(--amber)}
.note--stop{border-left-color:var(--red)}
.note h4{margin:0 0 .35rem;font-family:var(--display)}
.note p:last-child{margin-bottom:0}
.note .mono{color:var(--slate)}

.table-wrap{overflow-x:auto;margin:1.9rem 0}
table{border-collapse:collapse;width:100%;font-size:.95rem;background:#fff}
th,td{text-align:left;padding:.72rem .9rem;border:1px solid var(--line);vertical-align:top}
th{font-family:var(--display);font-weight:600;background:#EEF2F6;font-size:.86rem;letter-spacing:-.01em}

/* table of contents */
.toc{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.5rem;margin:0 0 2.5rem}
.toc p{font-family:var(--mono);font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--slate-light);margin:0 0 .7rem}
.toc ol{margin:0;padding-left:1.1rem;font-family:var(--display);font-size:.95rem}
.toc li{margin-bottom:.3rem}
.toc a{text-decoration:none;color:var(--slate)}
.toc a:hover{color:var(--ink);text-decoration:underline}

/* progress bar */
.progress{position:fixed;top:0;left:0;height:3px;background:var(--amber);width:0;z-index:80;transition:width .1s linear}

/* ---------- FAQ accordion ---------- */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item button{
  width:100%;display:flex;gap:1rem;align-items:flex-start;justify-content:space-between;
  background:none;border:0;padding:1.25rem 0;cursor:pointer;text-align:left;
  font-family:var(--display);font-weight:600;font-size:1.08rem;color:var(--ink);letter-spacing:-.01em
}
.faq-item .plus{flex:none;width:22px;height:22px;position:relative;margin-top:4px}
.faq-item .plus::before,.faq-item .plus::after{
  content:"";position:absolute;background:var(--amber-deep);border-radius:2px;transition:transform .28s ease
}
.faq-item .plus::before{top:10px;left:2px;width:18px;height:2px}
.faq-item .plus::after{left:10px;top:2px;width:2px;height:18px}
.faq-item[open] .plus::after,.faq-item.open .plus::after{transform:rotate(90deg) scaleX(0)}
.faq-answer{overflow:hidden}
.js .faq-answer{max-height:0;transition:max-height .34s ease}
.faq-answer div{padding:0 0 1.35rem;color:var(--slate)}
.faq-answer p:last-child{margin-bottom:0}

/* ---------- steps / timeline ---------- */
.steps{counter-reset:s;list-style:none;padding:0;margin:2rem 0}
.steps li{counter-increment:s;position:relative;padding:0 0 1.6rem 3.25rem;border-left:1px solid var(--line);margin-left:1rem}
.steps li:last-child{border-left-color:transparent;padding-bottom:0}
.steps li::before{
  content:counter(s,decimal-leading-zero);position:absolute;left:-1rem;top:-.15rem;
  width:2rem;height:2rem;border-radius:50%;background:var(--ink);color:var(--amber);
  display:grid;place-items:center;font-family:var(--mono);font-size:.72rem
}
.steps h4{margin:.15rem 0 .35rem}
.steps p{margin:0;color:var(--slate)}

/* ---------- forms ---------- */
.field{margin-bottom:1.15rem}
.field label{display:block;font-family:var(--display);font-weight:600;font-size:.92rem;margin-bottom:.4rem}
.field input,.field textarea,.field select{
  width:100%;font-family:var(--body);font-size:1rem;padding:.75rem .9rem;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink)
}
.field input:focus,.field textarea:focus{border-color:var(--cyan);outline:none;box-shadow:0 0 0 3px rgba(22,192,212,.16)}
.field .hint{font-size:.82rem;color:var(--slate-light);margin-top:.35rem;display:block}
.checkline{display:flex;gap:.65rem;align-items:flex-start;font-size:.9rem;color:var(--slate)}
.checkline input[type=checkbox]{width:20px;height:20px;flex:none;margin-top:.15rem;accent-color:var(--amber-deep);cursor:pointer}

/* ---------- callout band ---------- */
.band{
  background:linear-gradient(135deg,#101B2B,#0C1320);color:#E7EDF5;border-radius:20px;
  padding:clamp(2rem,4vw,3.25rem);position:relative;overflow:hidden
}
.band::after{content:"";position:absolute;right:-80px;bottom:-120px;width:340px;height:340px;border-radius:50%;background:radial-gradient(circle,rgba(22,192,212,.18),transparent 65%)}
.band>*{position:relative;z-index:2}
.band h2{color:#fff}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#9FAEC2;padding:clamp(3rem,5vw,4.25rem) 0 2rem;font-size:.94rem}
.footer-grid{display:grid;gap:2.25rem;grid-template-columns:1.6fr 1fr 1fr 1fr}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.footer-grid{grid-template-columns:1fr}}
.site-footer h4{color:#fff;font-family:var(--mono);font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;font-weight:500;margin-bottom:1rem}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:.55rem}
.site-footer a{color:#9FAEC2;text-decoration:none}
.site-footer a:hover{color:#fff;text-decoration:underline;text-decoration-color:var(--amber)}
.publisher{
  margin-top:2.75rem;padding:1.25rem 1.4rem;border:1px dashed #2C3A4F;border-radius:12px;
  font-family:var(--mono);font-size:.74rem;line-height:1.9;color:#7C8AA0
}
.publisher b{color:#C7D3E1;font-weight:500}
.ph{color:var(--amber);background:rgba(255,178,36,.08);border:1px dashed rgba(255,178,36,.35);border-radius:4px;padding:0 .35em}
.footer-bottom{
  margin-top:2rem;padding-top:1.5rem;border-top:1px solid var(--line-dark);
  display:flex;flex-wrap:wrap;gap:1rem;justify-content:space-between;font-size:.82rem
}

/* ---------- cookie banner ---------- */
.cookie{
  position:fixed;left:0;right:0;bottom:0;z-index:90;padding:0 1rem 1rem;
  transform:translateY(140%);transition:transform .45s cubic-bezier(.2,.8,.3,1)
}
.cookie.show{transform:translateY(0)}
.cookie-inner{
  width:min(100%,var(--wrap));margin-inline:auto;background:#fff;border:1px solid var(--line);
  border-radius:16px;box-shadow:var(--shadow-lg);padding:1.35rem 1.5rem;
  display:grid;gap:1.25rem;grid-template-columns:1fr auto;align-items:center
}
@media (max-width:820px){.cookie-inner{grid-template-columns:1fr}}
.cookie p{margin:0;font-size:.92rem;color:var(--slate)}
.cookie-actions{display:flex;flex-wrap:wrap;gap:.6rem}
.cookie .btn{padding:.6rem 1.1rem;font-size:.9rem}
.cookie-prefs{border-top:1px solid var(--line);margin-top:1.1rem;padding-top:1.1rem;display:none;grid-column:1/-1}
.cookie-prefs.show{display:block}
.prefs-row{display:flex;gap:1rem;align-items:flex-start;padding:.7rem 0;border-bottom:1px dashed var(--line)}
.prefs-row:last-child{border-bottom:0}
.prefs-row b{font-family:var(--display);font-size:.94rem;display:block}
.prefs-row span{font-size:.85rem;color:var(--slate)}
.prefs-row input[type=checkbox]{width:20px;height:20px;flex:none;margin-top:.25rem;accent-color:var(--amber-deep);cursor:pointer}

/* ---------- reveal ---------- */
/* Content is visible by default. It is only hidden for the animation when
   JavaScript is confirmed running, so a crawler that renders CSS but not JS
   (AdsBot screenshots, text browsers) still sees every block. */
.js .reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s cubic-bezier(.2,.8,.3,1)}
.js .reveal.in{opacity:1;transform:none}

/* ---------- misc ---------- */
.breadcrumb{font-family:var(--mono);font-size:.76rem;letter-spacing:.1em;text-transform:uppercase;color:var(--slate-light);padding-top:1.5rem}
.breadcrumb a{color:var(--slate-light);text-decoration:none}
.breadcrumb a:hover{color:var(--ink)}
.pager{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:2.5rem;padding-top:1.75rem;font-family:var(--display);font-size:.95rem}
.sitemap-group{margin-bottom:2.25rem}
.sitemap-group ul{list-style:none;padding:0;margin:0}
.sitemap-group li{padding:.5rem 0;border-bottom:1px solid var(--line)}
.sitemap-group li span{display:block;font-size:.84rem;color:var(--slate-light)}
.to-top{
  position:fixed;right:1.1rem;bottom:1.1rem;z-index:70;width:44px;height:44px;border-radius:50%;
  background:var(--ink);color:var(--amber);border:0;display:grid;place-items:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .3s ease,transform .3s ease
}
.to-top.show{opacity:1;pointer-events:auto}
.to-top:hover{transform:translateY(-3px)}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .reveal{opacity:1;transform:none}
}


/* ---------- small screens ---------- */
@media (max-width:560px){
  body{font-size:1.02rem}
  .wrap,.narrow{width:min(100% - 2rem,var(--wrap))}
  .narrow{width:min(100% - 2rem,var(--narrow))}
  .hero-meta{gap:1.25rem}
  .hero-actions .btn{flex:1 1 100%;justify-content:center}
  .rail{padding:1rem}
  .rail-row .label span{font-size:.6rem}
  .prose blockquote{font-size:1.05rem}
  .toc{padding:1.1rem 1.2rem}
  .byline{gap:.4rem .9rem;font-size:.75rem}
  .footer-bottom{font-size:.8rem}
  /* Keep the consent banner short on phones: a tall overlay obscures the page
     for the ad-review screenshot and reads as an intrusive interstitial. */
  .cookie{padding:0 .6rem .6rem}
  .cookie-inner{padding:.95rem 1rem;gap:.85rem}
  .cookie p{font-size:.84rem;line-height:1.5}
  .cookie-actions{gap:.4rem}
  .cookie-actions .btn{flex:1 1 auto;justify-content:center;padding:.5rem .7rem;font-size:.82rem}
  .prefs-row{padding:.55rem 0}
  .prefs-row span{font-size:.8rem}
  table{font-size:.88rem}
  th,td{padding:.6rem .7rem}
}