/* FLOWENGINE redesign: shared styles for inner pages (header, footer, buttons, forms).
   Values mirror layout-2b.html (palette: cool white + orange, dot-grid background). */
:root{
  --bg:#F5F8FA; --bg-2:#E9EFF3; --card:#FFFFFF; --ink:#112236; --ink-2:#52606E; --line:#DDE5EB; --line-2:#C5D0D9;
  --pri:#0B6FAE; --pri-deep:#08578A; --pri-soft:#E3F1F9; --yel:#FF9F43; --yel-soft:#FFE3C7; --on-pri:#FFFFFF; --mark-ink:#112236;
  --err:#B42318; --err-soft:#FEF3F2; --ok:#15803D;
  --font:"Chiron GoRound TC",system-ui,sans-serif; --latin:"Parkinsans","Chiron GoRound TC",sans-serif;
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px; --s-10:128px;
  --wrap:1200px; --gutter:clamp(16px,4vw,48px); --hdr-h:92px;
}
@media (max-width:600px){:root{--hdr-h:76px}}
*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-padding-top:var(--hdr-h)}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.75;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
  background-image:radial-gradient(var(--line-2) 1.1px,transparent 1.4px);background-size:22px 22px}
h1,h2,h3,p{margin:0}
h1,h2,h3{font-weight:800;line-height:1.22;letter-spacing:-.01em;text-wrap:balance}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.num{font-family:var(--latin);font-variant-numeric:tabular-nums}
.nw{white-space:nowrap}
mark{background:linear-gradient(180deg,transparent 40%,var(--yel) 40%,var(--yel) 90%,transparent 90%);background-repeat:no-repeat;background-size:100% 100%;color:var(--mark-ink);padding:0 .06em}
.label{font:600 13px/1 var(--latin);letter-spacing:.12em;color:var(--ink-2);text-transform:uppercase}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.draft{display:inline-block;font-size:12px;line-height:1;padding:var(--s-1) var(--s-2);border:1px dashed var(--line-2);border-radius:4px;color:var(--ink-2)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--s-2);height:48px;padding:0 var(--s-5);border-radius:8px;
  font:700 16px/1 var(--font);text-decoration:none;cursor:pointer;border:1px solid transparent;white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease}
.btn-pri{background:var(--pri);color:var(--on-pri)}
.btn-pri:hover,.btn-pri:active{background:var(--pri-deep)}
.btn-line{background:var(--card);color:var(--ink);border-color:var(--ink)}
.btn-line:hover{background:var(--bg)}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--pri);outline-offset:3px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn svg{width:18px;height:18px;transition:transform .2s ease}
.btn:hover svg{transform:translateX(3px)}

/* header */
.bar{position:fixed;top:0;left:0;right:0;z-index:60;transition:transform .35s cubic-bezier(.2,.7,.2,1),background-color .25s ease,box-shadow .25s ease}
.bar-in{max-width:var(--wrap);margin:0 auto;padding:0 var(--gutter);height:var(--hdr-h);display:flex;align-items:center;gap:var(--s-6)}
.brand{flex:none;display:flex;align-items:center;gap:var(--s-3);font:700 22px/1 var(--latin);letter-spacing:.04em;text-decoration:none}
.brand img{width:58px;height:58px;margin:-8px -4px -8px -8px}
.bar.solid{background:color-mix(in srgb,var(--bg) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);box-shadow:0 1px 0 var(--line)}
.bar.hide{transform:translateY(-100%)}
.nav{display:flex;gap:var(--s-5);margin-left:auto}
.nav a{position:relative;font-size:15px;color:var(--ink-2);text-decoration:none;padding-block:var(--s-2)}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:3px;border-radius:2px;background:var(--yel);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav a:hover{color:var(--ink)}
.nav a.on{color:var(--ink);font-weight:700}
.nav a.on::after,.nav a:hover::after{transform:scaleX(1)}
.bar-r{display:flex;align-items:center;gap:var(--s-5)}
.menu-btn{display:none;width:44px;height:44px;border:1px solid var(--line-2);border-radius:8px;background:var(--card);color:var(--ink);place-items:center;cursor:pointer}
.menu-btn svg{width:22px;height:22px}
.mnav{position:fixed;inset:0;z-index:55;background:var(--bg);padding:calc(var(--hdr-h) + 16px) var(--gutter) var(--s-7)}
.mnav nav{display:flex;flex-direction:column;gap:var(--s-2)}
.mnav nav a:not(.btn){font:800 28px/1.3 var(--font);color:var(--ink);text-decoration:none;padding-block:var(--s-3);border-bottom:1px solid var(--line)}
.mnav .btn{margin-top:var(--s-5)}
.mnav-open .bar{background:var(--bg);transform:none}
.l-short{display:none}
@media (max-width:1100px){.nav{display:none}.bar-r{margin-left:auto}.menu-btn{display:grid}.bar-r .draft{display:none}}
@media (max-width:600px){.bar-r .btn-pri{height:40px;padding:0 var(--s-4);font-size:14px}.bar .l-long{display:none}.bar .l-short{display:inline}.bar-r{gap:var(--s-3)}.brand{font-size:18px}.brand img{width:46px;height:46px;margin:-6px -3px -6px -6px}}

/* page head */
.page-head{padding:calc(var(--hdr-h) + clamp(32px,7svh,80px)) 0 clamp(32px,5svh,56px)}
.page-head h1{margin-top:var(--s-4);font-size:clamp(36px,5.2vw,68px);line-height:1.15}
.page-head .lede{margin-top:var(--s-5);font-size:clamp(17px,1.5vw,19px);color:var(--ink-2);max-width:36em}
.ln{display:block;overflow:hidden;padding-bottom:.06em}
.ln .li{display:block}

/* footer */
.site-foot{position:relative;z-index:6;background:var(--ink);color:#C9D3DE;font-size:15px;line-height:1.7}
.site-foot a{color:inherit;text-decoration:none;transition:color .15s ease}
.site-foot a:hover{color:#fff}
.site-foot a:focus-visible{outline:2px solid #8EC9F0;outline-offset:3px;border-radius:2px}
.sf-top{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,1fr));gap:var(--s-7);padding-block:var(--s-9) var(--s-8)}
.sf-brand .lg{display:flex;align-items:center;gap:var(--s-3);color:#fff;font:700 22px/1 var(--latin);letter-spacing:.04em}
.sf-brand .lg img{width:56px;height:56px;margin:-8px -4px -8px -8px}
.sf-brand .lg small{font:500 14px/1 var(--font);color:#93A3B5;letter-spacing:.08em;margin-left:2px}
.sf-brand p{margin-top:var(--s-4);max-width:24em;color:#AEBACB}
.sf-brand .talk{margin-top:var(--s-5);display:inline-flex;align-items:center;gap:var(--s-2);height:44px;padding:0 var(--s-5);border-radius:8px;background:var(--yel);color:var(--ink);font:700 15px/1 var(--font)}
.sf-brand .talk:hover{color:var(--ink);background:#FFB46B}
.sf-brand .talk svg{width:16px;height:16px}
.sf-col h3{font:600 12px/1 var(--latin);letter-spacing:.14em;text-transform:uppercase;color:#7F90A4;margin:0 0 var(--s-4)}
.sf-col ul{list-style:none;margin:0;padding:0;display:grid;gap:var(--s-2)}
.sf-col li{display:flex;align-items:center;gap:var(--s-2);flex-wrap:wrap}
.sf-col .st{font-size:11px;line-height:1;padding:3px 6px;border-radius:4px;border:1px solid #33465C;color:#93A3B5}
.sf-col .st.live{border-color:transparent;background:rgba(255,159,67,.16);color:#FFB46B}
.sf-col .ct{display:grid;gap:2px}
.sf-col .ct span{font-size:12px;color:#7F90A4}
.sf-col .ct em{font-style:normal;font-size:13px;color:#93A3B5}
.sf-bot{border-top:1px solid #24364C;padding-block:var(--s-5);display:flex;justify-content:space-between;align-items:center;gap:var(--s-4);flex-wrap:wrap;font-size:13px;color:#8597AB}
.sf-bot .legal{display:flex;gap:var(--s-5);flex-wrap:wrap}
.sf-bot .num{color:#AEBACB}
@media (max-width:960px){.sf-top{grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--s-7) var(--s-5)}.sf-brand{grid-column:1/-1}}
@media (max-width:480px){.sf-top{grid-template-columns:1fr}.sf-bot{flex-direction:column;align-items:flex-start}}

/* reveal helper (JS adds .rv-in); without JS / reduced motion everything is visible */
.js .rv{opacity:0;transform:translateY(18px);transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.2,1)}
.js .rv.rv-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.js .rv{opacity:1;transform:none;transition:none}.bar{transition:none}}

/* ===== footer: light theme, same palette as the rest of the site ===== */
.site-foot{background:var(--card);color:var(--ink-2);border-top:1px solid var(--line);overflow:hidden}
.site-foot a{color:var(--ink-2)}
.site-foot a:hover{color:var(--pri)}
.site-foot a:focus-visible{outline:2px solid var(--pri);outline-offset:3px;border-radius:2px}
.sf-brand .lg{color:var(--ink)}
.sf-brand .lg small{color:var(--ink-2)}
.sf-brand p{color:var(--ink-2)}
.sf-brand .talk{background:var(--pri);color:#fff}
.sf-brand .talk:hover{background:var(--pri-deep);color:#fff}
.sf-col h3{color:var(--ink)}
.sf-col .ct span{color:#6B7886}
.sf-col .ct em{color:#6B7886}
.sf-col .st{border-color:var(--line-2);color:var(--ink-2)}
.sf-bot{border-top:1px solid var(--line);color:var(--ink-2)}
.sf-bot .num{color:var(--ink)}
/* oversized, very faint wordmark along the bottom edge */
.site-foot::after{content:"FLOWENGINE"/"";display:block;text-align:center;white-space:nowrap;pointer-events:none;user-select:none;
  font:800 min(12.2vw,calc(230px*var(--fs,1)))/.78 var(--latin);letter-spacing:.01em;color:var(--bg-2);margin:calc(8px*var(--fs,1)) 0 -.12em}

/* ===== scroll performance ===== */
.bar.solid{background:color-mix(in srgb,var(--bg) 96%,transparent);-webkit-backdrop-filter:none;backdrop-filter:none}
body{background-image:none}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:radial-gradient(var(--line-2) 1.1px,transparent 1.4px);background-size:22px 22px;will-change:transform}