/* Animacja — sieć witryn. Wspólny arkusz stylów (baza: "12 prac animatora"). */

:root{
  --bg:#f4f1ea; --bg-raised:#ffffff; --ink:#1c1a17; --ink-soft:#55504a;
  --line:#ddd6c9; --mono:#7a746a; --accent-ink:#ffffff;
  /* akcent witryny: zmieniany przez body[data-site] */
  --accent-l:#b5501f; --accent-d:#e08a4f;
  --accent2-l:#1f6f6a; --accent2-d:#5fd6c9;
  --accent:var(--accent-l); --accent-2:var(--accent2-l);
  --hdr-h:96px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#131211; --bg-raised:#1b1917; --ink:#efe9df; --ink-soft:#b4ab9d;
    --line:#34302a; --mono:#8a8276; --accent-ink:#131211;
    --accent:var(--accent-d); --accent-2:var(--accent2-d);
  }
}
:root[data-theme="dark"]{
  --bg:#131211; --bg-raised:#1b1917; --ink:#efe9df; --ink-soft:#b4ab9d;
  --line:#34302a; --mono:#8a8276; --accent-ink:#131211;
  --accent:var(--accent-d); --accent-2:var(--accent2-d);
}


/* akcent liczony na body, żeby body[data-site] mógł go nadpisać */
body{--accent:var(--accent-l);--accent-2:var(--accent2-l);}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]) body{--accent:var(--accent-d);--accent-2:var(--accent2-d);}
}
:root[data-theme="dark"] body{--accent:var(--accent-d);--accent-2:var(--accent2-d);}

/* kolory poszczególnych witryn */
body[data-site="basics"]{--accent-l:#1f6f6a;--accent-d:#5fd6c9;--accent2-l:#b5501f;--accent2-d:#e08a4f;}
body[data-site="anim1"] {--accent-l:#b5501f;--accent-d:#e08a4f;--accent2-l:#1f6f6a;--accent2-d:#5fd6c9;}
body[data-site="anim2"] {--accent-l:#a3245f;--accent-d:#f07aa8;--accent2-l:#1f6f6a;--accent2-d:#5fd6c9;}
body[data-site="motion"]{--accent-l:#5b3fb5;--accent-d:#a996ff;--accent2-l:#b5501f;--accent2-d:#e08a4f;}
body[data-site="extra"] {--accent-l:#8a6a12;--accent-d:#e0b94f;--accent2-l:#1f6f6a;--accent2-d:#5fd6c9;}

/* kolory witryn dla zakładek nagłówka i kafelków (niezależne od bieżącej strony) */
:root{--c-basics:#1f6f6a;--c-anim1:#b5501f;--c-anim2:#a3245f;--c-motion:#5b3fb5;--c-extra:#8a6a12;}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){--c-basics:#5fd6c9;--c-anim1:#e08a4f;--c-anim2:#f07aa8;--c-motion:#a996ff;--c-extra:#e0b94f;}
}
:root[data-theme="dark"]{--c-basics:#5fd6c9;--c-anim1:#e08a4f;--c-anim2:#f07aa8;--c-motion:#a996ff;--c-extra:#e0b94f;}
.c-basics{--dot:var(--c-basics);--t:var(--c-basics);}
.c-anim1{--dot:var(--c-anim1);--t:var(--c-anim1);}
.c-anim2{--dot:var(--c-anim2);--t:var(--c-anim2);}
.c-motion{--dot:var(--c-motion);--t:var(--c-motion);}
.c-extra{--dot:var(--c-extra);--t:var(--c-extra);}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; background:var(--bg); color:var(--ink);
  font-family:'Literata',Georgia,'Times New Roman',serif;
  font-size:17px; line-height:1.7; -webkit-font-smoothing:antialiased; overflow-x:hidden;
}
img{max-width:100%;}
[hidden]{display:none!important;}
h1,h2,h3,.display{font-family:'Space Grotesk',system-ui,sans-serif;letter-spacing:-0.01em;line-height:1.1;margin:0;}
.mono{font-family:'IBM Plex Mono',ui-monospace,monospace;letter-spacing:0.02em;}
a{color:var(--accent);}
.wrap{max-width:760px;margin:0 auto;padding-inline:20px;}
.wrap--wide{max-width:1120px;}

/* tło */
.bg-fx{
  position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(ellipse 900px 500px at 50% -10%,color-mix(in srgb,var(--accent) 14%,transparent),transparent 60%),
    radial-gradient(ellipse 700px 500px at 100% 20%,color-mix(in srgb,var(--accent-2) 10%,transparent),transparent 60%),
    var(--bg);
}
.bg-fx::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:repeating-linear-gradient(180deg,color-mix(in srgb,var(--ink) 3%,transparent) 0,transparent 1px,transparent 3px);
}
.progress{position:fixed;top:0;left:0;height:3px;width:0;z-index:120;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .08s linear;}

/* ============ NAGŁÓWEK SIECI ============ */
header.site{
  position:sticky;top:0;z-index:100;
  padding-top:env(safe-area-inset-top,0px);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  border-bottom:1px solid var(--line);
}
.hdr{
  max-width:1120px;margin:0 auto;padding:0 20px;
  display:grid;
  grid-template-columns:auto 1fr auto;
  grid-template-areas:"brand primary primary" "sub sub tools";
  column-gap:20px;align-items:center;
}
.hdr-brand{
  grid-area:brand;display:flex;align-items:baseline;gap:8px;padding:10px 0 4px;
  text-decoration:none;color:var(--ink);font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px;white-space:nowrap;
}
.hdr-brand small{font-family:'IBM Plex Mono',monospace;font-weight:400;font-size:11px;color:var(--mono);}
.hdr-menu{display:contents;}

/* cztery witryny wiodące */
.hdr-primary{grid-area:primary;display:flex;gap:6px;justify-content:flex-end;padding:8px 0 4px;}
.hdr-primary a{
  font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;line-height:1;
  padding:10px 16px;border-radius:999px;text-decoration:none;color:var(--ink);
  border:1px solid var(--line);background:var(--bg-raised);
  display:inline-flex;align-items:center;gap:8px;
  transition:transform .15s ease,border-color .15s ease,background .15s ease;
}
.hdr-primary a i{
  width:8px;height:8px;border-radius:50%;background:var(--dot,var(--accent));flex:0 0 auto;
}
.hdr-primary a:hover{border-color:var(--dot,var(--accent));transform:translateY(-1px);}
.hdr-primary a[aria-current="true"]{
  color:var(--accent-ink);background:var(--dot,var(--accent));border-color:var(--dot,var(--accent));
}
.hdr-primary a[aria-current="true"] i{background:var(--accent-ink);}

/* linki dodatkowe: mniej wyeksponowane */
.hdr-sub{grid-area:sub;display:flex;flex-wrap:wrap;gap:2px 16px;padding:2px 0 8px;}
.hdr-sub a{
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mono);text-decoration:none;
  padding:4px 0;border-bottom:1px solid transparent;
}
.hdr-sub a:hover{color:var(--ink);border-bottom-color:var(--line);}
.hdr-sub a[aria-current="true"]{color:var(--accent);border-bottom-color:var(--accent);}

/* narzędzia: język, motyw, hamburger */
.hdr-tools{grid-area:tools;display:flex;align-items:center;gap:8px;padding:2px 0 8px;}
.tool-btn{
  border:1px solid var(--line);background:transparent;color:var(--ink);cursor:pointer;
  height:30px;border-radius:999px;font-family:'IBM Plex Mono',monospace;font-size:12px;
  display:inline-flex;align-items:center;gap:6px;padding:0 10px;
}
.tool-btn:hover{border-color:var(--accent);}
.tool-btn.round{width:30px;padding:0;justify-content:center;font-size:14px;}
.flag{width:20px;height:14px;border-radius:2px;display:block;flex:0 0 auto;box-shadow:0 0 0 1px color-mix(in srgb,var(--ink) 18%,transparent);}
.chev{font-size:9px;opacity:.7;}
.lang{position:relative;}
.lang-list{
  position:absolute;right:0;top:calc(100% + 6px);min-width:150px;margin:0;padding:6px;list-style:none;
  background:var(--bg-raised);border:1px solid var(--line);border-radius:12px;
  box-shadow:0 12px 30px color-mix(in srgb,#000 22%,transparent);
  opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .15s ease,transform .15s ease,visibility .15s;
}
.lang.open .lang-list{opacity:1;visibility:visible;transform:none;}
.lang-list a{
  display:flex;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;text-decoration:none;color:var(--ink);
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;
}
.lang-list a:hover{background:color-mix(in srgb,var(--accent) 10%,transparent);}
.lang-list a[aria-current="true"]{color:var(--accent);}
.burger{display:none;}

@media (max-width:900px){
  .hdr{grid-template-columns:1fr auto;grid-template-areas:"brand tools";}
  .hdr-tools{padding:8px 0;}
  .burger{display:inline-flex;}
  .hdr-menu{
    display:none;grid-column:1 / -1;flex-direction:column;gap:14px;
    padding:6px 0 16px;border-top:1px solid var(--line);
  }
  header.site.menu-open .hdr-menu{display:flex;}
  .hdr-primary{flex-direction:column;justify-content:flex-start;padding:10px 0 0;}
  .hdr-primary a{font-size:16px;padding:14px 18px;}
  .hdr-sub{flex-direction:column;gap:0;padding:0;}
  .hdr-sub a{font-size:13.5px;padding:10px 4px;border-bottom:1px solid var(--line);}
  .hdr-brand{padding:12px 0;}
}
/* tablet: cztery witryny w jednym rzędzie, ciaśniej */
@media (min-width:901px) and (max-width:1080px){
  .hdr-primary a{padding:9px 12px;font-size:13px;}
  .hdr{column-gap:12px;}
}

/* ============ UKŁAD TREŚCI ============ */
section{padding:64px 0;scroll-margin-top:calc(var(--hdr-h) + 8px);}
section.tight{padding:36px 0;}
.rule{border:none;border-top:1px solid var(--line);margin:0;}
.kicker{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--accent);display:inline-block;margin-bottom:20px;
}
.hero{padding:84px 0 56px;text-align:center;}
.hero h1{font-size:clamp(2.3rem,6.5vw,4rem);font-weight:700;}
.hero .lede{
  margin:22px auto 0;max-width:640px;font-style:italic;color:var(--ink-soft);
  font-size:clamp(1.05rem,2.4vw,1.3rem);
}
.hero-cta{margin-top:32px;display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.btn{
  display:inline-block;font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:14px;
  padding:12px 26px;border-radius:999px;background:var(--accent);color:var(--accent-ink);text-decoration:none;
  border:1px solid var(--accent);
}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--line);}
.btn--ghost:hover{border-color:var(--accent);}
.section-title{
  font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--mono);display:block;margin-bottom:8px;
}
h2.big{font-size:clamp(1.6rem,4vw,2.3rem);margin-bottom:28px;}

/* kafelki witryn */
.tiles{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));}
.tiles--main{grid-template-columns:repeat(4,1fr);}
@media (max-width:1000px){.tiles--main{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.tiles--main{grid-template-columns:1fr;}}
.tile{
  position:relative;display:flex;flex-direction:column;gap:10px;min-height:210px;padding:22px 20px;
  border:1px solid var(--line);border-radius:16px;background:var(--bg-raised);
  color:var(--ink);text-decoration:none;overflow:hidden;
  transition:transform .2s ease,border-color .2s ease;
}
.tile::before{
  content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--t,var(--accent));
  transform-origin:left;transform:scaleX(.25);transition:transform .35s cubic-bezier(.2,.75,.2,1);
}
.tile:hover{transform:translateY(-3px);border-color:var(--t,var(--accent));}
.tile:hover::before{transform:scaleX(1);}
.tile .num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:34px;color:var(--t,var(--accent));line-height:1;}
.tile h3{font-size:1.3rem;}
.tile p{margin:0;font-size:15px;color:var(--ink-soft);line-height:1.55;flex:1;}
.tile .go{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--t,var(--accent));}
.tiles--sub .tile{min-height:150px;padding:18px;}
.tiles--sub .tile h3{font-size:1.05rem;}
.tiles--sub .tile p{font-size:14px;}
.tiles--sub .tile .num{font-size:20px;}

/* kotwice sekcji na landingu */
.jump{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin-top:40px;}
.jump a{
  font-family:'IBM Plex Mono',monospace;font-size:12px;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;color:var(--ink-soft);text-decoration:none;background:var(--bg-raised);
}
.jump a:hover{border-color:var(--accent);color:var(--accent);}

.about-net{background:var(--bg-raised);border-block:1px solid var(--line);}
.about-net p{color:var(--ink-soft);max-width:680px;}
.facts{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));margin-top:28px;}
.fact{padding:16px 18px;border:1px solid var(--line);border-radius:12px;background:var(--bg);}
.fact strong{display:block;font-family:'Space Grotesk',sans-serif;font-size:1.5rem;color:var(--accent);}
.fact span{font-size:14px;color:var(--ink-soft);}

/* strony treści */
.breadcrumb{
  font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--mono);padding-top:28px;
}
.breadcrumb a{color:var(--mono);text-decoration:none;}
.breadcrumb a:hover{color:var(--accent);}
.page-hero{padding:34px 0 40px;}
.page-hero h1{font-size:clamp(2rem,5.4vw,3.2rem);font-weight:700;}
.page-hero .lede{margin-top:18px;font-style:italic;color:var(--ink-soft);font-size:clamp(1.02rem,2.2vw,1.22rem);}
.toc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:10px;}
.toc-card{
  display:flex;align-items:center;gap:12px;padding:14px 16px;border:1px solid var(--line);border-radius:10px;
  text-decoration:none;color:var(--ink);background:var(--bg-raised);transition:transform .15s,border-color .15s;
}
.toc-card:hover{border-color:var(--accent);transform:translateY(-2px);}
.toc-num{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:20px;color:var(--accent);width:34px;flex:0 0 auto;}
.toc-txt{font-size:13.5px;font-weight:600;line-height:1.35;}
.task{padding:64px 0;border-top:1px solid var(--line);}
.task-head{display:flex;align-items:flex-start;gap:18px;margin-bottom:24px;}
.task-num{
  font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:15px;color:var(--accent-ink);background:var(--accent);
  width:44px;height:44px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.task-head h2{font-size:clamp(1.4rem,3.4vw,1.9rem);}
.badge{
  display:inline-block;margin-top:8px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;
  color:var(--mono);border:1px solid var(--line);border-radius:999px;padding:2px 10px;
}
.task h3{font-size:1.05rem;margin:26px 0 8px;}
.task p{margin:0 0 16px;}
.task ul,.task ol{margin:0 0 18px;padding-left:22px;}
.task li{margin-bottom:6px;}
.spec{
  border:1px solid var(--line);border-radius:12px;background:var(--bg-raised);padding:6px 18px;margin:22px 0;
}
.spec div{display:flex;gap:14px;padding:10px 0;border-bottom:1px dashed var(--line);font-size:15.5px;}
.spec div:last-child{border-bottom:none;}
.spec dt,.spec b{font-family:'IBM Plex Mono',monospace;font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--accent-2);flex:0 0 110px;padding-top:3px;font-weight:500;}
.spec dd{margin:0;}
.callout{
  border-left:3px solid var(--accent-2);background:color-mix(in srgb,var(--accent-2) 8%,var(--bg-raised));
  border-radius:0 10px 10px 0;padding:16px 20px;margin:24px 0;
}
.callout--warn{border-left-color:var(--accent);background:color-mix(in srgb,var(--accent) 8%,var(--bg-raised));}
.callout__tag{font-family:'IBM Plex Mono',monospace;font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent-2);display:block;margin-bottom:6px;}
.callout--warn .callout__tag{color:var(--accent);}
.callout p{margin:0;font-size:15.5px;}
.placeholder{
  border:1.5px dashed var(--line);border-radius:14px;padding:30px 20px;margin:24px 0;text-align:center;
  background:repeating-linear-gradient(135deg,color-mix(in srgb,var(--ink) 4%,transparent) 0,color-mix(in srgb,var(--ink) 4%,transparent) 2px,transparent 2px,transparent 14px),var(--bg-raised);
  color:var(--ink-soft);
}
.placeholder b{display:block;font-family:'Space Grotesk',sans-serif;font-size:14px;color:var(--ink);text-transform:uppercase;letter-spacing:.04em;}
.placeholder span{display:block;margin-top:6px;font-family:'IBM Plex Mono',monospace;font-size:11.5px;color:var(--mono);font-style:italic;}
.wip{text-align:center;padding:40px 0 90px;}
.wip .placeholder{max-width:560px;margin-inline:auto;}

/* siatka wideo (inspiracje, tutoriale) — po dwie karty w rzędzie */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:20px 0;}
.video-card{
  display:flex;flex-direction:column;border:1px solid var(--line);border-radius:12px;overflow:hidden;
  background:var(--bg-raised);text-decoration:none;color:var(--ink);
  transition:border-color .15s ease,transform .15s ease;
}
.video-card:hover{border-color:var(--accent);transform:translateY(-2px);}
.video-card .thumb{position:relative;aspect-ratio:16/9;background:#000;overflow:hidden;flex:0 0 auto;}
.video-card .thumb img{width:100%;height:100%;object-fit:cover;display:block;}
.video-card .thumb::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 55%,rgba(0,0,0,.6));}
.video-card .play{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:44px;height:44px;border-radius:50%;
  background:color-mix(in srgb,#000 45%,transparent);border:2px solid #fff;display:flex;align-items:center;justify-content:center;
}
.video-card .play i{display:block;width:0;height:0;border-style:solid;border-width:7px 0 7px 12px;border-color:transparent transparent transparent #fff;margin-left:2px;}
.video-card .vmeta{padding:12px 14px;}
.video-card .vtitle{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:13.5px;line-height:1.3;margin-bottom:4px;}
.video-card .vchan{font-family:'IBM Plex Mono',monospace;font-size:11px;color:var(--accent);display:block;}
.video-card .vdesc{font-size:12.5px;color:var(--ink-soft);margin-top:6px;line-height:1.45;}

/* karty linków bez miniatury (artykuły, narzędzia) */
.link-list{display:flex;flex-direction:column;gap:8px;margin:20px 0;}
.link-card{
  display:flex;align-items:center;gap:12px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  background:var(--bg-raised);text-decoration:none;color:var(--ink);transition:border-color .15s ease;
}
.link-card:hover{border-color:var(--accent);}
.link-card .ico{
  width:32px;height:32px;border-radius:8px;flex:0 0 auto;
  background:color-mix(in srgb,var(--accent) 14%,transparent);color:var(--accent);
  display:flex;align-items:center;justify-content:center;font-family:'IBM Plex Mono',monospace;font-size:13px;
}
.link-card .lc-t{font-size:13.5px;font-weight:600;line-height:1.3;}
.link-card .lc-s{font-size:12px;color:var(--mono);margin-top:2px;}

/* chipy: pary słów, narzędzia, fonty */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0;}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:12.5px;padding:7px 14px;border:1px solid var(--line);
  border-radius:999px;background:var(--bg-raised);color:var(--ink-soft);
}
a.chip{text-decoration:none;transition:border-color .15s ease,color .15s ease;}
a.chip:hover{border-color:var(--accent);color:var(--accent);}

/* akordeon zadań dodatkowych */
.acc{border-top:1px solid var(--line);}
.acc-item{border-bottom:1px solid var(--line);}
.acc-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;padding:22px 0;
}
.acc-item summary::-webkit-details-marker{display:none;}
.acc-item summary .acc-head{flex:1;}
.acc-item summary .acc-head h3{font-size:1.15rem;font-family:'Space Grotesk',sans-serif;margin-bottom:6px;}
.acc-item summary .chev{
  font-family:'IBM Plex Mono',monospace;color:var(--mono);transition:transform .2s ease;flex:0 0 auto;margin-top:12px;
}
.acc-item[open] summary .chev{transform:rotate(180deg);}
.acc-body{padding:0 0 30px 60px;}
.acc-body h4{font-family:'Space Grotesk',sans-serif;font-size:1rem;margin:22px 0 8px;}
.acc-body p{margin:0 0 14px;}
.acc-body ul,.acc-body ol{margin:0 0 16px;padding-left:22px;}
.acc-body li{margin-bottom:6px;}
@media (max-width:640px){
  .video-grid{grid-template-columns:1fr;}
  .acc-body{padding-left:0;}
  .acc-item summary{gap:10px;}
}

footer.site-foot{padding:44px 0 calc(44px + env(safe-area-inset-bottom,0px));border-top:1px solid var(--line);text-align:center;}
footer.site-foot .mono{font-size:12px;color:var(--mono);margin:0 0 8px;}
footer.site-foot nav{display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:center;margin-bottom:18px;}
footer.site-foot nav a{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ink-soft);text-decoration:none;}
footer.site-foot nav a:hover{color:var(--accent);}

.to-top-fab{
  position:fixed;right:18px;bottom:calc(18px + env(safe-area-inset-bottom,0px));width:42px;height:42px;border-radius:50%;
  background:var(--bg-raised);border:1px solid var(--line);color:var(--ink);display:flex;align-items:center;justify-content:center;
  text-decoration:none;opacity:0;pointer-events:none;transition:opacity .2s;z-index:60;font-size:16px;
}
.to-top-fab.show{opacity:1;pointer-events:auto;}
@keyframes fabPulse{0%{transform:scale(1)}25%{transform:scale(1.3)}50%{transform:scale(1)}75%{transform:scale(.7)}100%{transform:scale(1)}}
.to-top-fab.show:hover{animation:fabPulse 1.2s ease-in-out infinite;}

#tearFx{position:fixed;inset:0;z-index:90;pointer-events:none;}
@media (pointer:coarse){#tearFx{display:none;}}

.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
  .to-top-fab.show:hover{animation:none;}
  .tile,.tile::before,.lang-list{transition:none;}
}
@media (max-width:640px){
  body{font-size:16.5px;}
  .hero{padding:56px 0 40px;}
  .task-head{gap:12px;}
  .task-num{width:36px;height:36px;font-size:13px;}
  .spec div{flex-direction:column;gap:2px;}
  .spec dt,.spec b{flex:none;}
}