/* ============================================================
   AI CAREER ENGINE GUIDE — MOBILE-FIRST STYLESHEET
   Base rules below target small phone screens (~360–428px).
   Each @media (min-width: …) block progressively ENHANCES the
   layout for larger viewports. Nothing here assumes desktop
   first — desktop is the enhancement, not the default.
   ============================================================ */

/* ============ TOKENS ============ */
:root{
  --bg:#FFFFFF;
  --bg-soft:#F5F6FC;
  --bg-card:#FFFFFF;
  --ink:#15132B;
  --ink-soft:#5B5A78;
  --ink-faint:#9492AE;
  --line:#E8E7F3;

  --coral:#FF4759;
  --coral-text:#D62839;
  --indigo:#4F5BFF;
  --indigo-text:#3540D6;
  --amber:#FFB400;
  --amber-text:#A66800;
  --teal:#00C2A8;
  --teal-text:#00876F;
  --violet:#7C5CFC;
  --violet-text:#5B3FE0;

  --radius-s:10px;
  --radius-m:16px;
  --radius-l:24px;
  --shadow-s:0 2px 10px rgba(21,19,43,0.06);
  --shadow-m:0 12px 32px rgba(21,19,43,0.10);
  --header-h:60px;
  --tap:44px; /* minimum comfortable touch target */
}

[data-theme="dark"]{
  --bg:#100F1D;
  --bg-soft:#181729;
  --bg-card:#1B1A2E;
  --ink:#F4F3FB;
  --ink-soft:#B3B1CE;
  --ink-faint:#76749A;
  --line:#2C2A45;
  --shadow-s:0 2px 10px rgba(0,0,0,0.35);
  --shadow-m:0 16px 40px rgba(0,0,0,0.5);
}

*{box-sizing:border-box;-webkit-tap-highlight-color:transparent;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;}
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:15.5px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease,color .25s ease;
  overflow-x:hidden; /* belt-and-braces: never allow sideways scroll on phones */
  overflow-wrap:break-word;
}
code{overflow-wrap:anywhere;word-break:break-word;}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  margin:0;
  line-height:1.18;
  letter-spacing:-0.01em;
}
p{margin:0;}
a{color:inherit;}
.container{max-width:1180px;margin:0 auto;padding:0 18px;}
img,svg{display:block;max-width:100%;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);}
ul{margin:0;}

@media(min-width:600px){ body{font-size:16px;} .container{padding:0 24px;} }

/* ============ EYEBROW / LABELS ============ */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;font-weight:500;letter-spacing:0.05em;text-transform:uppercase;
}
.dot{width:7px;height:7px;border-radius:50%;background:currentColor;display:inline-block;flex-shrink:0;}

/* ============ SCROLL PROGRESS ============ */
.scroll-progress{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:linear-gradient(90deg,var(--coral),var(--indigo),var(--amber),var(--teal));
  z-index:1000;transition:width .1s linear;
}

/* ============ HEADER (mobile base) ============ */
header.site{
  position:sticky;top:0;z-index:900;
  background:color-mix(in srgb, var(--bg) 90%, transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  padding-top:env(safe-area-inset-top);
}
.header-inner{
  height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:10px;
}
.brand{display:flex;align-items:center;gap:8px;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:16px;text-decoration:none;white-space:nowrap;min-width:0;}
.brand-mark{
  width:30px;height:30px;border-radius:9px;
  background:conic-gradient(from 90deg, var(--coral), var(--indigo), var(--amber), var(--teal), var(--coral));
  display:flex;align-items:center;justify-content:center;
  font-size:15px;flex-shrink:0;
}
.brand-text{display:none;} /* hidden on the smallest screens to protect tap targets */

/* Inline nav: desktop-only feature. Hidden by default (mobile-first). */
nav.main{display:none;}

.header-actions{display:flex;align-items:center;gap:6px;flex-shrink:0;}
.theme-toggle{
  width:var(--tap);height:var(--tap);border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:var(--bg-soft);flex-shrink:0;font-size:17px;transition:transform .25s ease;
}
.theme-toggle:active{transform:scale(0.92);}

.menu-toggle{
  width:var(--tap);height:var(--tap);border-radius:12px;background:var(--bg-soft);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.menu-toggle .burger,.menu-toggle .burger::before,.menu-toggle .burger::after{
  content:"";display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;position:relative;transition:all .25s ease;
}
.menu-toggle .burger::before{position:absolute;top:-6px;}
.menu-toggle .burger::after{position:absolute;top:6px;}
.menu-toggle[aria-expanded="true"] .burger{background:transparent;}
.menu-toggle[aria-expanded="true"] .burger::before{transform:rotate(45deg);top:0;}
.menu-toggle[aria-expanded="true"] .burger::after{transform:rotate(-45deg);top:0;}

/* Mobile dropdown menu panel — base state: present but collapsed */
.mobile-menu{
  display:flex;flex-direction:column;gap:2px;padding:8px 14px calc(14px + env(safe-area-inset-bottom));
  max-height:0;overflow:hidden;opacity:0;
  border-top:1px solid transparent;
  transition:max-height .28s ease, opacity .22s ease;
}
.mobile-menu.open{max-height:340px;opacity:1;border-top-color:var(--line);}
.mobile-menu a{
  display:flex;align-items:center;min-height:var(--tap);padding:10px 10px;border-radius:12px;
  font-weight:600;font-size:15px;text-decoration:none;color:var(--ink);
}
.mobile-menu a:active{background:var(--bg-soft);}

@media(min-width:760px){
  .brand-text{display:inline;}
  nav.main{display:flex;align-items:center;gap:4px;min-width:0;}
  nav.main a{
    font-size:14.5px;font-weight:600;padding:9px 13px;border-radius:99px;white-space:nowrap;
    color:var(--ink-soft);text-decoration:none;transition:background .2s,color .2s;
  }
  @media(hover:hover){ nav.main a:hover{background:var(--bg-soft);color:var(--ink);} }
  .menu-toggle{display:none;}
  .mobile-menu{display:none !important;}
}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:var(--tap);
  padding:12px 22px;border-radius:99px;font-weight:600;font-size:15px;
  text-decoration:none;transition:transform .15s ease, box-shadow .18s ease;
}
.btn:active{transform:scale(0.96);}
.btn-primary{background:var(--ink);color:var(--bg);}
[data-theme="dark"] .btn-primary{background:var(--bg);color:var(--ink);}
@media(hover:hover){ .btn-primary:hover{box-shadow:var(--shadow-m);transform:translateY(-2px);} }
.btn-ghost{background:var(--bg-soft);color:var(--ink);border:1px solid var(--line);}
@media(hover:hover){ .btn-ghost:hover{background:var(--bg-card);border-color:var(--ink-faint);} }

/* ============ HERO (mobile base) ============ */
.hero{padding:28px 0 36px;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:center;}
.hero h1{font-size:clamp(28px,8vw,54px);font-weight:700;}
.hero h1 .accentword{background:linear-gradient(90deg,var(--coral),var(--indigo));-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero p.lead{margin-top:14px;font-size:15.5px;color:var(--ink-soft);max-width:520px;}
.hero-ctas{display:flex;flex-direction:column;gap:10px;margin-top:22px;}
.hero-ctas .btn{width:100%;}
.hero-meta{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap;}
.hero-meta span{font-size:12.5px;color:var(--ink-faint);display:flex;align-items:center;gap:5px;}

.hero-art{position:relative;max-width:420px;margin:0 auto;width:100%;}
.hero-art svg{width:100%;height:auto;}
.path-draw{stroke-dasharray:900;stroke-dashoffset:900;animation:draw 1.6s ease forwards .2s;}
@keyframes draw{to{stroke-dashoffset:0;}}
.node-pop{opacity:0;transform:scale(.4);animation:pop .5s cubic-bezier(.34,1.56,.64,1) forwards;}
@keyframes pop{to{opacity:1;transform:scale(1);}}

@media(min-width:600px){
  .hero{padding:48px 0 44px;}
  .hero-ctas{flex-direction:row;flex-wrap:wrap;}
  .hero-ctas .btn{width:auto;}
}
@media(min-width:920px){
  .hero{padding:64px 0 56px;}
  .hero-grid{grid-template-columns:1.1fr 1fr;gap:24px;}
  .hero-art{max-width:none;}
}

/* ============ SECTION SHELLS (mobile base) ============ */
.section{padding:44px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:640px;margin-bottom:28px;}
.section-head h2{font-size:clamp(23px,6.5vw,38px);margin-top:10px;font-weight:700;}
.section-head p{color:var(--ink-soft);margin-top:10px;font-size:15px;}
@media(min-width:760px){
  .section{padding:64px 0;}
  .section-head{margin-bottom:36px;}
  .section-head h2{margin-top:12px;}
  .section-head p{margin-top:12px;font-size:16px;}
}
@media(min-width:1024px){ .section{padding:72px 0;} }

/* ============ TOOLS (mobile base: 1 column) ============ */
.tool-grid{display:grid;grid-template-columns:1fr;gap:14px;}
.tool-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:22px;box-shadow:var(--shadow-s);position:relative;overflow:hidden;
  transition:transform .2s ease, box-shadow .2s ease;
}
@media(hover:hover){ .tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);} }
.tool-card::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--accent);}
.tool-icon{width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:21px;background:color-mix(in srgb, var(--accent) 16%, transparent);margin-bottom:14px;}
.tool-card h3{font-size:17.5px;margin-bottom:7px;}
.tool-card p{color:var(--ink-soft);font-size:14px;}
.tool-cost{
  display:inline-block;margin-top:12px;font-size:11.5px;font-weight:700;letter-spacing:.04em;
  padding:4px 10px;border-radius:99px;background:color-mix(in srgb, var(--accent) 18%, transparent);color:var(--accent-text);
}
@media(min-width:720px){ .tool-grid{grid-template-columns:repeat(3,1fr);gap:18px;} }

/* ============ JOURNEY LAYOUT ============ */
.journey{position:relative;}
.journey-inner{display:grid;grid-template-columns:1fr;gap:0;}

/* Desktop rail: hidden on mobile/tablet by default, enabled at 980px+ */
.rail{display:none;}
@media(min-width:980px){
  .journey-inner{grid-template-columns:64px 1fr;gap:32px;}
  .rail{display:block;position:sticky;top:calc(var(--header-h) + 40px);height:fit-content;}
  .rail-track{position:relative;width:3px;background:var(--line);border-radius:99px;margin:0 auto;height:420px;}
  .rail-fill{position:absolute;top:0;left:0;width:100%;height:0%;background:linear-gradient(180deg,var(--coral),var(--indigo),var(--amber),var(--teal));border-radius:99px;transition:height .15s linear;}
  .rail-nodes{position:absolute;top:0;left:50%;transform:translateX(-50%);list-style:none;margin:0;padding:0;height:420px;display:flex;flex-direction:column;justify-content:space-between;}
  .rail-node{position:relative;}
  .rail-node button{
    width:32px;height:32px;border-radius:50%;background:var(--bg-card);border:3px solid var(--line);
    display:flex;align-items:center;justify-content:center;font-family:'JetBrains Mono',monospace;font-size:12px;font-weight:600;color:var(--ink-faint);
    transition:all .25s ease;
  }
  .rail-node.active button{border-color:var(--accent);color:var(--accent);transform:scale(1.15);box-shadow:0 0 0 6px color-mix(in srgb, var(--accent) 16%, transparent);}
  .rail-node.complete button{background:var(--accent);border-color:var(--accent);color:#fff;}
  .rail-node .tip{
    position:absolute;left:44px;top:50%;transform:translateY(-50%);white-space:nowrap;
    font-size:12.5px;font-weight:600;color:var(--ink-faint);opacity:0;transition:opacity .2s;pointer-events:none;
  }
  .rail-node.active .tip{opacity:1;color:var(--accent);}
}

/* Mobile / tablet pill stepper — primary nav for the journey on phones */
.stepper{
  display:flex;gap:8px;overflow-x:auto;padding:12px 18px;
  min-width:0; /* CRITICAL: without this, a grid/flex item's content (4 non-wrapping
                  pills) sets the item's minimum size, which silently widens the
                  entire page on phones — this is the actual cause of side-scroll. */
  position:sticky;top:var(--header-h);z-index:80;
  background:color-mix(in srgb, var(--bg) 94%, transparent);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);scrollbar-width:none;
  -webkit-overflow-scrolling:touch;
}
.stepper::-webkit-scrollbar{display:none;}
.stepper-pill{
  flex-shrink:0;display:flex;align-items:center;gap:7px;
  min-height:38px;padding:8px 14px;border-radius:99px;border:1.5px solid var(--line);
  font-size:13px;font-weight:600;color:var(--ink-faint);transition:all .2s ease;background:var(--bg-card);
}
.stepper-pill:active{transform:scale(0.96);}
.stepper-pill .num{width:18px;height:18px;border-radius:50%;background:var(--line);color:var(--bg-card);display:flex;align-items:center;justify-content:center;font-size:10px;font-weight:700;flex-shrink:0;}
.stepper-pill.active{border-color:var(--accent);color:var(--accent);}
.stepper-pill.active .num{background:var(--accent);color:#fff;}
.stepper-pill.complete .num{background:var(--accent);color:#fff;}
.stepper-pill.complete .num::after{content:"✓";}
@media(min-width:980px){ .stepper{display:none;} }

/* ============ PHASE SECTIONS ============ */
.phases{display:flex;flex-direction:column;gap:44px;padding:32px 0;}
.phase{scroll-margin-top:118px;}
.phase-head{display:flex;align-items:flex-start;gap:12px;margin-bottom:20px;flex-wrap:wrap;}
.phase-num{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:14px;
  width:42px;height:42px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:var(--accent);color:#fff;flex-shrink:0;
}
.phase-head h2{font-size:clamp(21px,6vw,32px);}
.phase-head .eyebrow{color:var(--accent);margin-bottom:4px;}
.phase-progress{font-size:12.5px;color:var(--ink-faint);font-family:'JetBrains Mono',monospace;width:100%;margin-top:2px;}
@media(min-width:600px){
  .phases{padding:40px 0;gap:56px;}
  .phase-progress{width:auto;margin-left:auto;align-self:center;margin-top:0;}
}
@media(min-width:760px){ .phase-head h2{font-size:clamp(24px,3.4vw,32px);} }

.step-list{display:flex;flex-direction:column;gap:12px;}
.step{
  display:flex;gap:12px;background:var(--bg-card);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:16px;align-items:flex-start;
  box-shadow:var(--shadow-s);
}
.step input[type="checkbox"]{position:absolute;opacity:0;width:1px;height:1px;}
.step-box{
  width:26px;height:26px;border-radius:8px;border:2px solid var(--line);flex-shrink:0;margin-top:1px;
  display:flex;align-items:center;justify-content:center;transition:all .2s ease;cursor:pointer;
}
.step-box svg{width:15px;height:15px;opacity:0;transform:scale(.5);transition:all .2s ease;}
.step input:checked ~ .step-box{background:var(--accent);border-color:var(--accent);}
.step input:checked ~ .step-box svg{opacity:1;transform:scale(1);}
.step input:checked ~ .step-content .step-title{color:var(--ink-faint);text-decoration:line-through;}
.step-content{flex:1;cursor:pointer;min-width:0;}
.step-title{font-weight:700;font-size:15px;margin-bottom:4px;transition:color .2s;}
.step-body{font-size:14px;color:var(--ink-soft);}
.step-body a{color:var(--accent-text);font-weight:600;text-decoration:underline;}
.step-list-inline{margin:10px 0 0;padding-left:18px;}
.step-list-inline li{font-size:13.5px;color:var(--ink-soft);margin-bottom:4px;}
@media(min-width:600px){
  .step{padding:18px 20px;gap:14px;}
  .step-title{font-size:15.5px;}
  .step-body{font-size:14.5px;}
}

/* ============ CODE / PROMPT BLOCKS ============ */
.code-block{
  margin-top:14px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius-s);overflow:hidden;
}
.code-head{
  display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 12px;
  background:var(--bg);border-bottom:1px solid var(--line);
}
.code-label{font-family:'JetBrains Mono',monospace;font-size:11px;color:var(--ink-faint);letter-spacing:.04em;text-transform:uppercase;}
.copy-btn{
  display:flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  min-height:36px;padding:7px 13px;border-radius:99px;background:var(--bg-soft);border:1px solid var(--line);color:var(--ink-soft);
  transition:all .2s ease;flex-shrink:0;
}
.copy-btn:active{transform:scale(0.94);}
@media(hover:hover){ .copy-btn:hover{border-color:var(--accent,var(--indigo));color:var(--accent-text,var(--indigo-text));} }
.copy-btn.copied{background:var(--teal);color:#fff;border-color:var(--teal);}
.code-block pre{
  margin:0;padding:14px;font-family:'JetBrains Mono',monospace;font-size:13px;line-height:1.7;
  white-space:pre-wrap;word-break:break-word;color:var(--ink);max-height:340px;overflow:auto;
  -webkit-overflow-scrolling:touch;
}
.code-block.tall pre{max-height:480px;}
@media(min-width:600px){ .code-block pre{padding:16px;font-size:13.5px;} }

/* ============ ACCORDION (sample prompts) ============ */
.prompt-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-top:24px;}
details.prompt-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:4px;box-shadow:var(--shadow-s);transition:box-shadow .2s ease;
}
details.prompt-card[open]{box-shadow:var(--shadow-m);}
details.prompt-card summary{
  list-style:none;display:flex;align-items:center;gap:12px;min-height:var(--tap);padding:14px 16px;cursor:pointer;font-weight:700;font-size:14.5px;
}
details.prompt-card summary::-webkit-details-marker{display:none;}
.prompt-icon{width:32px;height:32px;border-radius:9px;background:color-mix(in srgb, var(--teal) 16%, transparent);display:flex;align-items:center;justify-content:center;font-size:15px;flex-shrink:0;}
.chev{margin-left:auto;width:18px;height:18px;flex-shrink:0;transition:transform .25s ease;color:var(--ink-faint);}
details.prompt-card[open] .chev{transform:rotate(180deg);}
.prompt-body{padding:0 16px 16px;}
.prompt-body p{font-size:13.5px;color:var(--ink-soft);margin-bottom:6px;}
@media(min-width:600px){ .prompt-grid{gap:14px;margin-top:32px;} details.prompt-card summary{padding:16px 18px;font-size:15px;} .prompt-body{padding:0 18px 18px;} }
@media(min-width:760px){ .prompt-grid{grid-template-columns:repeat(2,1fr);} }

/* ============ TABLE → CARD ON MOBILE ============ */
.table-wrap{margin-top:22px;border-radius:var(--radius-m);}
table.kb{width:100%;border-collapse:collapse;}

/* Mobile base: render as stacked cards, no horizontal scrolling */
table.kb thead{display:none;}
table.kb tr{
  display:block;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:4px 16px;margin-bottom:10px;box-shadow:var(--shadow-s);
}
table.kb td{
  display:flex;justify-content:space-between;align-items:center;gap:12px;
  padding:11px 0;border-bottom:1px solid var(--line);font-size:14px;color:var(--ink-soft);text-align:right;
}
table.kb td:last-child{border-bottom:none;}
table.kb td.event{color:var(--ink);font-weight:600;text-align:right;}
table.kb td::before{content:attr(data-label);font-size:11.5px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-faint);text-align:left;}
.tag{display:inline-block;padding:3px 10px;border-radius:99px;font-size:12px;font-weight:600;background:var(--bg-soft);}

/* Tablet+: switch back to a real table */
@media(min-width:680px){
  .table-wrap{overflow-x:auto;border:1px solid var(--line);background:var(--bg-card);}
  table.kb thead{display:table-header-group;}
  table.kb tr{display:table-row;background:none;border:none;border-radius:0;padding:0;margin-bottom:0;box-shadow:none;}
  table.kb th{text-align:left;font-size:12.5px;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-faint);padding:14px 18px;border-bottom:1px solid var(--line);}
  table.kb td{display:table-cell;padding:14px 18px;text-align:left;border-bottom:1px solid var(--line);}
  table.kb td::before{content:none;}
  table.kb tr:last-child td{border-bottom:none;}
}

/* ============ TIPS ============ */
.tip-grid{display:grid;grid-template-columns:1fr;gap:14px;margin-top:24px;}
.tip-card{background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-s);}
.tip-card .tip-emoji{font-size:22px;margin-bottom:10px;display:block;}
.tip-card h4{font-size:15px;margin-bottom:6px;}
.tip-card p{font-size:13.5px;color:var(--ink-soft);}
@media(min-width:600px){ .tip-grid{margin-top:32px;gap:16px;} }
@media(min-width:700px){ .tip-grid{grid-template-columns:repeat(2,1fr);} }
@media(min-width:1080px){ .tip-grid{grid-template-columns:repeat(3,1fr);} }

/* ============ FOOTER ============ */
footer.site{padding:36px 0 calc(48px + env(safe-area-inset-bottom));border-top:1px solid var(--line);margin-top:24px;}
.footer-inner{display:flex;flex-direction:column;align-items:center;gap:8px;text-align:center;}
.footer-inner p{font-size:13px;color:var(--ink-faint);}
@media(min-width:760px){ footer.site{padding:48px 0 64px;margin-top:40px;} }

/* ============ BACK TO TOP ============ */
.to-top{
  position:fixed;bottom:calc(18px + env(safe-area-inset-bottom));right:18px;width:46px;height:46px;border-radius:50%;
  background:var(--ink);color:var(--bg);display:flex;align-items:center;justify-content:center;
  box-shadow:var(--shadow-m);opacity:0;transform:translateY(10px);pointer-events:none;
  transition:opacity .25s,transform .25s;z-index:200;
}
[data-theme="dark"] .to-top{background:var(--bg-card);color:var(--ink);}
.to-top.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.to-top:active{transform:scale(0.92);}
@media(hover:hover){ .to-top:hover{transform:translateY(-3px);} }

/* focus visibility */
a:focus-visible, button:focus-visible, .step-box:focus-visible{outline:3px solid var(--indigo);outline-offset:2px;}