/* components.css: reusable pieces. Buttons, global header and dropdown menus, headings and grids, filters, FAQ accordions, forms, CTA band, footer. */
/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;font:600 1rem var(--f-body);padding:13px 22px;border-radius:999px;border:1.5px solid var(--fg);background:transparent;color:var(--fg);text-decoration:none;cursor:pointer;transition:transform .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-3px)}
.btn .arr{display:inline-block;transition:transform .25s}
.btn:hover .arr{transform:translateX(5px)}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.sm{padding:9px 18px;font-size:.92rem}
.link{color:var(--accent-text);font-weight:600;text-decoration:none;border-bottom:2px solid currentColor}
.link:hover{border-bottom-color:transparent}

/* header */
.bar{position:sticky;top:env(safe-area-inset-top,0px);z-index:50;background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:blur(12px);border-bottom:1px solid var(--line);animation:drop .7s ease both}
@keyframes drop{from{transform:translateY(-100%)}to{transform:none}}
.bar-in{display:flex;align-items:center;justify-content:space-between;gap:14px;height:68px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font-family:var(--f-display);font-weight:800;font-stretch:108%;font-size:1.25rem;letter-spacing:-.02em;white-space:nowrap}
.logo .mk{width:32px;height:32px;border-radius:9px;background:var(--fg);color:var(--bg);display:grid;place-items:center;font-size:.8rem;transition:transform .4s}
.logo:hover .mk{transform:rotate(-12deg) scale(1.08)}
.bar nav>ul{display:flex;gap:4px;list-style:none;margin:0;padding:0}
.bar nav a{display:block;text-decoration:none;font-weight:500;font-size:.96rem;padding:8px 12px;border-radius:999px;color:var(--muted);transition:background .2s,color .2s}
.bar nav a:hover{color:var(--fg);background:var(--soft)}
.bar nav a[aria-current="page"]{color:var(--fg);background:var(--soft)}
.bar-actions{display:flex;align-items:center;gap:8px}
.icon-btn{width:40px;height:40px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--fg);cursor:pointer;font-size:1.05rem;transition:transform .3s}
.icon-btn:hover{transform:rotate(25deg)}
.menu-btn{display:none}
.progress{position:absolute;left:0;bottom:-1px;height:3px;width:100%;background:var(--accent);transform-origin:left;transform:scaleX(0)}
@media (max-width:1200px){
  .bar nav{position:absolute;left:0;right:0;top:68px;background:var(--bg);border-bottom:1px solid var(--line);padding:6px 20px 16px;display:none}
  .bar nav.open{display:block;animation:pagein .25s ease}
  .bar nav>ul{flex-direction:column;gap:0}
  .bar nav a{border-radius:0;border-bottom:1px solid var(--line);padding:14px 0;background:none!important}
  .menu-btn{display:inline-block}
  .bar-actions .btn{display:none}
}

/* heads and grids */
.head{display:grid;gap:14px;margin-bottom:44px;max-width:760px}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.grid>*{min-width:0}
@media (max-width:1000px){.g4{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.g2,.g3,.g4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:26px;display:grid;gap:10px;align-content:start;position:relative;transition:transform .3s cubic-bezier(.2,.7,.2,1),box-shadow .3s,border-color .3s;text-decoration:none;color:inherit}
a.card:hover,.card.hover:hover{transform:translateY(-6px);border-color:var(--fg);box-shadow:6px 6px 0 var(--accent)}
.card p{color:var(--muted);font-size:1rem}
.card .tagline{color:var(--accent-text)}
.card .go{margin-top:6px;font-weight:600;color:var(--accent-text)}
.card .go .arr{display:inline-block;transition:transform .25s}
a.card:hover .go .arr{transform:translateX(6px)}
.ticks{list-style:none;margin:6px 0 0;padding:0;display:grid;gap:8px}
.ticks li{position:relative;padding-left:24px;font-size:.96rem}
.ticks li::before{content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;border-left:2.5px solid var(--accent-text);border-bottom:2.5px solid var(--accent-text);transform:rotate(-45deg) scale(.8)}

/* filters */
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:26px}
.fbtn{font:600 .92rem var(--f-body);color:var(--fg);padding:9px 18px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);cursor:pointer;transition:background .2s,color .2s,border-color .2s,transform .2s}
.fbtn:hover{transform:translateY(-2px)}
.fbtn[aria-pressed="true"]{background:var(--fg);color:var(--bg);border-color:var(--fg)}
.search{flex:1 1 220px;min-width:0;max-width:340px;margin-left:auto}
input[type=text],input[type=email],input[type=url],input[type=search],select,textarea{width:100%;font:inherit;color:var(--fg);background:var(--surface);border:1.5px solid var(--line);border-radius:12px;padding:12px 14px;transition:border-color .2s,box-shadow .2s}
textarea{resize:vertical;min-height:120px}
input:focus,select:focus,textarea:focus{border-color:var(--accent-text);outline:none;box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 30%,transparent)}
.fi{transition:opacity .35s,transform .35s}
.fi.gone{display:none}
.fi.pop{animation:rise .5s ease both}
.empty{color:var(--muted);padding:30px 0}

/* faq */
details{background:var(--surface);border:1px solid var(--line);border-radius:14px;transition:border-color .25s,box-shadow .25s}
details[open]{border-color:var(--fg);box-shadow:5px 5px 0 var(--accent)}
summary{cursor:pointer;list-style:none;padding:18px 22px;font-weight:600;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--f-mono);color:var(--accent-text);font-size:1.5rem;line-height:1;transition:transform .3s}
details[open] summary::after{transform:rotate(45deg)}
details .ans{padding:0 22px 20px;color:var(--muted);animation:rise .4s ease both}
.faqs{display:grid;gap:12px;max-width:860px}

/* forms */
.form{background:var(--surface);border:1.5px solid var(--fg);border-radius:20px;padding:clamp(22px,3vw,34px);box-shadow:8px 8px 0 var(--accent)}
.field{display:grid;gap:7px;margin-bottom:18px}
label{font-weight:600;font-size:.95rem}
.err{color:#B3261E;font-size:.85rem;min-height:1.1em}
:root[data-theme="dark"] .err{color:#FF8A7A}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]) .err{color:#FF8A7A}}
.done{display:grid;gap:14px;animation:rise .6s ease both}
.done h3{color:var(--accent-text)}
.copybox{background:var(--soft);padding:14px;border-radius:12px;font-family:var(--f-mono);font-size:.82rem;white-space:pre-wrap;overflow-wrap:anywhere}
.nextlist{display:grid;gap:0;margin:0;padding:0;list-style:none;counter-reset:n}
.nextlist li{counter-increment:n;display:grid;grid-template-columns:44px 1fr;gap:14px;padding:20px 0;border-top:1px solid var(--line)}
.nextlist li::before{content:counter(n);width:36px;height:36px;border-radius:50%;background:var(--accent);color:var(--accent-ink);display:grid;place-items:center;font-family:var(--f-mono);font-weight:500}
.nextlist p{color:var(--muted);font-size:1rem}

/* cta + footer */
.cta{text-align:left}
.cta h2{max-width:20ch}
.cta-in{display:grid;gap:22px;justify-items:start}
footer{border-top:1.5px solid var(--fg);padding-block:52px 40px;margin-top:20px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot>*{min-width:0}
.foot h4{font-family:var(--f-mono);font-stretch:100%;font-size:.74rem;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);margin:0 0 14px;font-weight:500}
.foot ul{list-style:none;padding:0;margin:0;display:grid;gap:9px}
.foot a{text-decoration:none}
.foot ul a{background:linear-gradient(var(--accent),var(--accent)) 0 100%/0 2px no-repeat;transition:background-size .3s;padding-bottom:2px}
.foot ul a:hover{background-size:100% 2px}
.foot p{color:var(--muted);max-width:32ch;margin-top:12px;font-size:1rem}
.legal{margin-top:38px;padding-top:22px;border-top:1px solid var(--line);color:var(--muted);font-size:.88rem;display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between}
@media (max-width:860px){.foot{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.foot{grid-template-columns:1fr}}
.toast{position:fixed;left:50%;bottom:calc(24px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);background:var(--fg);color:var(--bg);padding:12px 20px;border-radius:12px;font-weight:500;z-index:70;max-width:calc(100% - 32px);animation:rise .35s ease both}

/* ---------- global header: dropdown menus and breadcrumbs ---------- */
.has-sub{position:relative;display:flex;align-items:center}
.has-sub>a{padding-right:4px}
.sub-toggle{width:26px;height:26px;border:0;background:none;border-radius:50%;cursor:pointer;color:var(--muted);display:grid;place-items:center;padding:0}
.sub-toggle::before{content:"";width:7px;height:7px;border-right:2px solid currentColor;border-bottom:2px solid currentColor;transform:translateY(-2px) rotate(45deg);transition:transform .25s}
.sub-toggle:hover{background:var(--soft);color:var(--fg)}
.has-sub[data-on]>a{color:var(--fg);background:var(--soft)}
nav .sub{display:none;position:absolute;top:calc(100% + 6px);left:0;min-width:300px;max-width:min(92vw,360px);background:var(--bg);border:1px solid var(--line);border-radius:16px;padding:8px;box-shadow:8px 8px 0 var(--accent);z-index:60;flex-direction:column;gap:0}
nav .sub a{border-radius:10px;padding:9px 12px;font-size:.92rem;color:var(--fg)}
nav .sub.wide{min-width:0;width:min(580px,92vw);max-width:none;display:none;grid-template-columns:1fr 1fr}
.has-sub[data-group="tools.html"] .sub,.has-sub[data-group="blog.html"] .sub{left:auto;right:0}
@media (min-width:1201px){
  .has-sub:hover>.sub,.has-sub:has(:focus-visible)>.sub,.has-sub.open>.sub{display:flex;animation:pagein .2s ease}
  .has-sub:hover>.sub.wide,.has-sub:has(:focus-visible)>.sub.wide,.has-sub.open>.sub.wide{display:grid}
  .has-sub:hover .sub-toggle::before,.has-sub.open .sub-toggle::before{transform:translateY(1px) rotate(-135deg)}
  .has-sub.dismissed>.sub{display:none!important}
  .has-sub.dismissed .sub-toggle::before{transform:translateY(-2px) rotate(45deg)}
}
@media (max-width:1200px){
  .bar nav{max-height:calc(100vh - 68px);overflow-y:auto}
  .has-sub{flex-wrap:wrap}
  .has-sub>a{flex:1;padding-right:0}
  .sub-toggle{width:44px;height:44px;border-radius:0}
  .bar nav .sub,.bar nav .sub.wide{position:static;width:100%;min-width:0;max-width:none;box-shadow:none;border:0;border-radius:0;padding:0 0 8px 14px;display:none;animation:none}
  .has-sub.open>.sub{display:flex}
  .has-sub.open>.sub.wide{display:grid;grid-template-columns:1fr}
  .has-sub.open .sub-toggle::before{transform:translateY(1px) rotate(-135deg)}
  .bar nav .sub a{border-bottom:0;padding:10px 0;font-size:.92rem}
}
.crumbs{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-family:var(--f-mono);font-size:.78rem;color:var(--muted);margin-bottom:18px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--fg);text-decoration:underline}
.crumbs i{font-style:normal;opacity:.5}
.crumbs [aria-current]{color:var(--fg)}
/* keep the nav on one line at laptop widths */
.bar nav a{white-space:nowrap}
@media (min-width:1201px){
  .bar nav>ul{gap:0}
  .bar nav a{font-size:.9rem;padding:8px 9px}
  .has-sub>a{padding-right:2px}
  .sub-toggle{width:22px}
}
@media (min-width:1201px) and (max-width:1399px){.bar-actions .btn{display:none}}

.has-sub[data-group="blog.html"] .sub{min-width:min(92vw,400px)}

/* breadcrumb bar (global, under the header) */
.crumbbar{border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--bg) 92%,var(--soft))}
.crumbbar ol{list-style:none;margin:0;padding:11px 0;display:flex;flex-wrap:wrap;align-items:center;gap:4px 0;font-size:.86rem;color:var(--muted);overflow:visible}
.crumbbar li{display:flex;align-items:center;white-space:normal;min-width:0;max-width:100%}
.crumbbar li+li::before{content:"";width:6px;height:6px;border-top:1.5px solid var(--muted);border-right:1.5px solid var(--muted);transform:rotate(45deg);margin:0 11px 0 7px;opacity:.7;flex:none}
.crumbbar a{color:var(--muted);text-decoration:none;font-weight:500}
.crumbbar a:hover{color:var(--fg);text-decoration:underline}
.crumbbar li[aria-current]{color:var(--fg);font-weight:600;flex:0 1 auto;overflow-wrap:anywhere}
.crumbbar li[aria-current]>span{overflow-wrap:anywhere}
.crumbbar li:last-child::before{margin-left:2px}