/* A3SEO v4 look — bento / soft-surface, palette 1E2B3A · ABB4CF · 2756A4 · 2E237F · ECEDF1 */
:root{--deep:#1E2B3A;--card:#fff;--band:#F6F7FA;--ink:#1E2B3A;--ink-2:#34435a;--muted:#56617a;--faint:#ABB4CF;--paper:#fff;--surf:#ECEDF1;--surf-2:#f5f6f9;--line:#dfe2ea;--blue:#2756A4;--blue-2:#1f478a;--indigo:#2E237F;--peri:#ABB4CF;--green:#1d8f5c;--amber:#c98a12;--red:#B23A26;
--display:"Plus Jakarta Sans","Noto Sans TC","Noto Sans SC","Noto Sans KR",sans-serif;--body:"Plus Jakarta Sans","Noto Sans TC","Noto Sans SC","Noto Sans KR",sans-serif;--mono:"IBM Plex Mono","Noto Sans TC","Noto Sans SC",Consolas,monospace;
--gutter:clamp(16px,4vw,48px);--r:22px;--r-sm:14px;--shadow:0 20px 50px -30px rgba(30,43,58,.35);color-scheme:light}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
html[lang^="zh"] body{font-family:"Plus Jakarta Sans","Noto Sans TC","Noto Sans SC","PingFang TC","Microsoft JhengHei",sans-serif}html[lang="ko"] body{font-family:"Plus Jakarta Sans","Noto Sans KR",sans-serif}
a{color:inherit;text-decoration:none}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}
h1,h2,h3,h4{font-family:var(--display);margin:0;letter-spacing:-.025em;text-wrap:balance;line-height:1.08}html[lang^="zh"] :is(h1,h2,h3){letter-spacing:0}html[lang="ko"] :is(h1,h2,h3,p,li){word-break:keep-all;overflow-wrap:anywhere}
h1{font-size:clamp(36px,5vw,64px);font-weight:700}h2{font-size:clamp(28px,3.4vw,44px);font-weight:700}h3{font-size:18px;font-weight:700;letter-spacing:-.01em}p{margin:0}
.wrap{max-width:1200px;margin:0 auto;padding-inline:var(--gutter)}
.eyebrow{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.lead{font-size:clamp(15.5px,1.15vw,17.5px);color:var(--ink-2);max-width:56ch}.muted{color:var(--muted)}.small{font-size:13.5px}.mono{font-family:var(--mono)}.blue{color:var(--blue)}.ul{text-decoration:underline;text-decoration-color:var(--peri);text-decoration-thickness:.1em;text-underline-offset:.1em}
.skip{position:absolute;left:-999px;top:8px;background:var(--deep);color:#fff;padding:8px 12px;border-radius:8px;z-index:100}.skip:focus{left:8px}
section.blk{padding-block:clamp(40px,6vw,72px)}section.blk.alt{background:transparent}
.head{display:grid;grid-template-columns:1.1fr .9fr;gap:20px 48px;align-items:end;margin-bottom:clamp(22px,3vw,34px)}.head .lead{max-width:none;padding-bottom:4px}.head.center{grid-template-columns:1.1fr .9fr;text-align:left}.head>.eyebrow{grid-column:1/-1}
@media(max-width:800px){.head,.head.center{grid-template-columns:1fr}}
.grid{display:grid;gap:14px}.g2{grid-template-columns:1fr 1fr}.g3{grid-template-columns:repeat(3,1fr)}.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:900px){.g3,.g4{grid-template-columns:1fr 1fr}}@media(max-width:600px){.g2,.g3,.g4{grid-template-columns:1fr}}
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:999px;font-weight:600;font-size:15px;border:1px solid var(--ink);color:var(--ink);background:transparent;cursor:pointer;font-family:inherit;transition:background .15s,color .15s,transform .15s}.btn:hover{background:var(--surf)}.btn.solid{background:var(--deep);color:#fff;border-color:var(--deep)}.btn.solid:hover{background:var(--blue);border-color:var(--blue)}.btn.sm{padding:9px 16px;font-size:14px;white-space:nowrap}
.more{color:var(--ink);font-weight:600;display:inline-flex;gap:6px;align-items:center;font-size:14.5px}.more::after{content:"↗";font-family:var(--mono);color:var(--blue)}.after{margin-top:18px}
.btns{display:flex;flex-wrap:wrap;gap:12px}.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1)}.reveal.visible{opacity:1;transform:none}
@keyframes blink{50%{opacity:0}}@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(39,86,164,.45)}70%{box-shadow:0 0 0 9px rgba(39,86,164,0)}}@keyframes dash{to{stroke-dashoffset:-28}}.dash{animation:dash 2.4s linear infinite}
/* motion always on (CK 2026-09-25: 要會動) */
header{position:sticky;top:0;z-index:40;background:var(--card);border-bottom:1px solid var(--line)}
.bar{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:18px;height:66px;padding-inline:var(--gutter)}
.logo img{height:24px;width:auto;display:block}
nav.main{display:flex;gap:2px;margin-left:8px}nav.main>div{position:relative}
nav.main a.top{white-space:nowrap;display:inline-flex;align-items:center;gap:6px;padding:9px 12px;border-radius:999px;font-weight:500;font-size:14.5px;color:var(--muted)}nav.main a.top:hover{color:var(--ink);background:var(--surf)}nav.main a.top.on{color:var(--ink);background:var(--surf)}.caret{font-size:9px;opacity:.6}
.dd{position:absolute;left:0;top:calc(100% + 8px);min-width:230px;background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);padding:8px;display:none;z-index:50}nav.main>div:hover .dd,nav.main>div:focus-within .dd{display:block}.dd a{display:block;padding:9px 12px;border-radius:10px;font-size:14.5px}.dd a:hover{background:var(--surf)}
.right{margin-left:auto;display:flex;align-items:center;gap:10px}.lang{display:inline-flex;background:var(--surf);border-radius:999px;padding:3px;font-family:var(--mono);font-size:11.5px}.lang a{padding:6px 9px;border-radius:999px;color:var(--muted);white-space:nowrap}.lang a.on{background:var(--card);color:var(--ink);font-weight:500;box-shadow:0 1px 2px rgba(30,43,58,.12)}
.login{white-space:nowrap;font-size:14px;color:var(--muted);font-weight:500}.login:hover{color:var(--ink)}.burger{display:none;background:none;border:1px solid var(--line);border-radius:999px;width:40px;height:40px;cursor:pointer;color:var(--ink);font-size:18px}nav.main .mob{display:none}
@media(max-width:1080px){nav.main{display:none;position:absolute;left:var(--gutter);right:var(--gutter);top:74px;background:var(--card);border:1px solid var(--line);border-radius:20px;flex-direction:column;padding:10px 12px 16px;gap:0;margin:0;box-shadow:var(--shadow)}nav.main.open{display:flex}nav.main a.top{width:100%;justify-content:space-between;padding:12px 10px}.dd{position:static;display:block;box-shadow:none;border:0;padding:0 0 8px 12px}.right .login,.right .lang{display:none}nav.main .mob{display:flex;gap:12px;align-items:center;padding:12px 10px 0;border-top:1px solid var(--line);margin-top:8px}.burger{display:inline-flex;align-items:center;justify-content:center}.bar{gap:10px;padding-left:16px}}
.crumb{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;padding-top:28px}.crumb span+span::before{content:"/";margin-right:8px;color:var(--faint)}.crumb a:hover{color:var(--ink)}
.phead{padding-block:clamp(22px,4vw,44px) clamp(18px,3vw,32px)}.phead h1{margin-top:12px;max-width:22ch}.phead .lead{margin-top:16px}
.card{background:var(--surf);border:0;border-radius:var(--r);padding:24px;display:grid;gap:10px;align-content:start;min-width:0;transition:transform .2s,background .2s}a.card:hover{transform:translateY(-3px);background:#e6e8ef}.card .t{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-family:var(--mono)}.card p{color:var(--ink-2);font-size:14.5px}.card .l{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.06em}.card.todo{background:transparent;border:1.5px dashed var(--faint)}
.glyph{width:42px;height:42px;border-radius:12px;background:var(--card);color:var(--blue);display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:17px;box-shadow:0 1px 2px rgba(30,43,58,.08)}
.flag{display:inline-block;font-size:11px;padding:3px 10px;border-radius:999px;background:var(--card);color:var(--indigo);font-weight:600;font-family:var(--mono);width:max-content;max-width:100%;border:1px solid var(--faint)}
.hero{padding-block:clamp(36px,6vw,72px) clamp(20px,3vw,32px)}.hero .wrap{display:grid;grid-template-columns:1fr;gap:28px}.hero .intro{display:grid;grid-template-columns:1.2fr .8fr;gap:24px 56px;align-items:end}@media(max-width:860px){.hero .intro{grid-template-columns:1fr}}
.hero h1{font-size:clamp(40px,5.8vw,76px);line-height:1;margin-top:16px}.hero .lead{margin-top:0}
.tag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-family:var(--mono);color:var(--ink);border-radius:999px;padding:6px 12px;background:var(--surf)}.tag .dot{width:7px;height:7px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
.hero-bento{display:grid;grid-template-columns:1.6fr .8fr .8fr;grid-template-rows:auto auto;gap:14px}@media(max-width:1000px){.hero-bento{grid-template-columns:1fr 1fr}}@media(max-width:600px){.hero-bento{grid-template-columns:1fr}}
.hero-bento .canvas{grid-row:span 2}.hero-bento .kv{display:none}.hero-bento .side{grid-template-columns:1fr}@media(max-width:1000px){.hero-bento .canvas{grid-column:1/-1;grid-row:auto}}
.htile{border-radius:var(--r);padding:22px;display:grid;gap:6px;align-content:center;min-width:0;min-height:200px}.htile.surf{background:var(--surf)}.htile.dark{background:var(--deep);color:#fff}.htile.indigo{background:var(--indigo);color:#fff}.htile .k{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;opacity:.75}.htile .v{font-family:var(--display);font-size:clamp(30px,3.2vw,44px);font-weight:700;line-height:1;letter-spacing:-.03em}.htile p{font-size:13.5px;opacity:.85}.htile svg{width:100%;height:44px}
.canvas{position:relative;background:var(--surf);border-radius:var(--r);padding:18px;display:grid;gap:12px;min-width:0}
.ctag{position:static;justify-self:start;font-family:var(--mono);font-size:10px;font-weight:600;color:#fff;background:var(--deep);padding:3px 9px;border-radius:999px}
.cgrid{display:grid;grid-template-columns:1fr;gap:12px;min-width:0}.cgrid>*{min-width:0}.side{display:grid;grid-template-columns:1fr 1fr;gap:12px}.side>*{min-width:0}.side .ai{grid-column:1/-1}@media(max-width:560px){.side{grid-template-columns:1fr}}
.mock{background:var(--card);border-radius:16px;position:relative;min-width:0}.lbl{position:absolute;top:-9px;right:12px;font-family:var(--mono);font-size:9.5px;color:var(--blue);background:var(--card);padding:0 6px;border-radius:999px}
.search{display:flex;align-items:center;gap:12px;padding:12px 14px}.search .g{font-weight:600;font-size:18px;letter-spacing:-.5px;font-family:Arial,sans-serif}.search .in{flex:1;min-width:0;background:var(--surf-2);border-radius:999px;padding:7px 14px;display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2);white-space:nowrap;overflow:hidden}.cur{color:var(--blue);animation:blink 1s infinite;font-weight:600;margin-left:-3px}
.serp{padding:12px;display:grid;gap:6px}.row{display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center;padding:8px 10px;border-radius:10px}.row.top{background:var(--surf-2)}.rk{font-family:var(--mono);font-size:11px;font-weight:700;color:var(--blue);text-align:center}.host{font-size:9.5px;color:var(--faint);font-family:var(--mono)}.tt{font-size:12.5px;font-weight:600;color:#1a0dab;line-height:1.25}.sn{font-size:10.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.pill{font-size:9px;font-weight:700;font-family:var(--mono);padding:3px 7px;border-radius:999px;background:var(--deep);color:#fff}
.pulse{padding:8px 14px}.prow{display:grid;grid-template-columns:86px minmax(0,1fr) 48px;gap:10px;align-items:center;padding:7px 0;border-bottom:1px solid var(--surf)}.prow:last-child{border-bottom:0}.prow .k{font-size:9.5px;font-family:var(--mono);color:var(--faint)}.prow .v{font-size:15px;font-weight:700;font-family:var(--display);line-height:1.1}.prow svg{width:100%;height:26px;display:block}.prow .d{font-size:11px;font-weight:700;text-align:right;font-family:var(--mono);color:var(--green)}
.ai{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--deep);color:#fff;border-radius:14px}.ai .dot{width:9px;height:9px;border-radius:50%;background:#7fa4ff;animation:pulse 1.8s infinite;flex-shrink:0}.ai .l{font-family:var(--mono);font-size:9.5px;letter-spacing:.08em;color:#ABB4CF;font-weight:600}.ai .s{font-size:12px}
.kv{padding:10px 12px;font-size:11.5px}.kv h6{margin:4px 0 4px;font-family:var(--mono);font-size:9.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint);font-weight:500}.kv div{display:flex;justify-content:space-between;padding:3px 0;border-bottom:1px dashed var(--surf);color:var(--muted)}.kv b{font-family:var(--mono);font-weight:500;color:var(--ink)}.kv .up{color:var(--green)}
.proof{padding-block:8px 0}.proof .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.proof .wrap>div{background:var(--surf);border-radius:var(--r-sm);padding:16px 18px;display:flex;align-items:baseline;gap:10px;font-size:13.5px;color:var(--muted)}.proof b{font-family:var(--display);font-size:26px;font-weight:700;color:var(--ink);letter-spacing:-.02em}
@media(max-width:760px){.proof .wrap{grid-template-columns:1fr 1fr}}
.quote{margin-top:14px;display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:800px){.quote{grid-template-columns:1fr}}.quote h3{background:var(--deep);color:#fff;border-radius:var(--r);padding:28px;font-size:clamp(22px,2.4vw,30px);line-height:1.2;font-weight:700}.quote em{font-style:normal;color:#ABB4CF}.closer{display:flex;align-items:center;background:var(--surf);border-radius:var(--r);padding:28px;font-size:15.5px;color:var(--ink-2)}.closer strong{color:var(--ink)}.closer p{color:inherit;font-size:inherit}
.split{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px;align-items:stretch}.split2{display:grid;grid-template-columns:.9fr 1.1fr;gap:14px;align-items:start}@media(max-width:860px){.split,.split2{grid-template-columns:1fr}}.split>*,.split2>*{min-width:0}
.split>div:first-child{background:var(--deep);color:#fff;border-radius:var(--r);padding:clamp(24px,3vw,40px)}.split>div:first-child .lead{color:#c9d0e0}.split>div:first-child .more{color:#fff}.split>div:first-child .card{background:rgba(255,255,255,.08);color:#fff}.split>div:first-child .card p{color:#c9d0e0}.split>div:first-child .t{color:#ABB4CF}.split>div:first-child .muted{color:#ABB4CF}
.tagline{font-family:var(--display);font-weight:700;font-size:22px;margin-top:18px;letter-spacing:-.01em}.tagline .x{color:#ABB4CF;margin:0 8px}.bul{margin:16px 0 0;padding:0;list-style:none;display:grid;gap:10px;font-size:15px}.bul li{padding-left:24px;position:relative}.bul li::before{content:"✓";position:absolute;left:0;color:#7fa4ff;font-weight:700}
.loop{position:relative;background:linear-gradient(160deg,var(--surf-2),var(--surf));border-radius:var(--r);padding:18px 12px 10px;display:grid;gap:10px;align-content:center;justify-items:start}.loop svg{justify-self:stretch}.loop svg{width:100%;height:auto;display:block}
.flow{display:grid;grid-template-columns:repeat(5,1fr);gap:14px}@media(max-width:900px){.flow{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){.flow{grid-template-columns:1fr 1fr}}.flow .card{padding:22px 18px;min-height:190px}.flow .n{font-family:var(--mono);font-size:11px;color:var(--blue)}.flow .card p{font-size:13.5px}.flow .card:nth-child(3){background:var(--deep);color:#fff}.flow .card:nth-child(3) p{color:#c9d0e0}.flow .card:nth-child(3) .n{color:#ABB4CF}
.trxyline{margin-top:14px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;font-size:14px;color:var(--muted);padding:14px 20px;background:var(--surf);border-radius:999px}.trxyline b{font-family:var(--display);letter-spacing:.12em;color:var(--ink)}.trxyline b i{font-style:normal;color:var(--blue)}
.grid.mods{grid-template-columns:repeat(4,1fr);grid-auto-rows:minmax(150px,auto)}.grid.mods>:nth-child(1){grid-column:span 2}.grid.mods>:nth-child(2){background:var(--indigo);color:#fff}.grid.mods>:nth-child(2) p{color:#d6d3ef}.grid.mods>:nth-child(2) .t,.grid.mods>:nth-child(2) .l{color:#c3bdf0}.grid.mods>:nth-child(6){grid-column:span 2;background:var(--deep);color:#fff}.grid.mods>:nth-child(6) p{color:#c9d0e0}.grid.mods>:nth-child(6) .t,.grid.mods>:nth-child(6) .l{color:#ABB4CF}.grid.mods>:nth-child(7),.grid.mods>:nth-child(8){grid-column:span 2}
@media(max-width:900px){.grid.mods{grid-template-columns:1fr 1fr}.grid.mods>:nth-child(1),.grid.mods>:nth-child(6){grid-column:span 2}.grid.mods>:nth-child(7),.grid.mods>:nth-child(8){grid-column:auto}}@media(max-width:600px){.grid.mods{grid-template-columns:1fr}.grid.mods>*{grid-column:auto!important}}
.grid.entries{grid-template-columns:1.2fr 1fr 1fr}.grid.entries>:first-child{background:var(--deep);color:#fff}.grid.entries>:first-child p{color:#c9d0e0}.grid.entries>:first-child .more{color:#fff}.grid.entries>:first-child .glyph{background:rgba(255,255,255,.12);color:#fff}
@media(max-width:900px){.grid.entries{grid-template-columns:1fr 1fr}.grid.entries>:first-child{grid-column:span 2}}@media(max-width:600px){.grid.entries{grid-template-columns:1fr}.grid.entries>:first-child{grid-column:auto}}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:800px){.metrics{grid-template-columns:1fr}}.metric{background:var(--surf);border-radius:var(--r);padding:24px;min-height:170px;display:grid;align-content:end}.metric:nth-child(2){background:var(--deep);color:#fff}.metric:nth-child(2) .k,.metric:nth-child(2) .s{color:#ABB4CF}.metric .k{font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);font-family:var(--mono)}.metric .v{font-family:var(--display);font-size:clamp(36px,3.8vw,52px);font-weight:700;line-height:1.05;margin-top:6px;font-variant-numeric:tabular-nums;letter-spacing:-.03em}.metric .s{font-size:13px;color:var(--muted)}
.tl{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:14px}@media(max-width:800px){.tl{grid-template-columns:1fr}}.tl>div{background:var(--surf-2);border:1px solid var(--line);border-radius:var(--r-sm);padding:16px 18px;display:grid;gap:2px}.span{font-family:var(--mono);font-size:11px;color:var(--blue);letter-spacing:.08em}.tl b{font-family:var(--display);font-size:16px}
.tl3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}@media(max-width:800px){.tl3{grid-template-columns:1fr}}
.cmp{display:grid;grid-template-columns:1fr 1fr;gap:14px}@media(max-width:700px){.cmp{grid-template-columns:1fr}}.cmp .card{padding:28px}.cmp .card.bad{background:var(--surf)}.cmp .card.good{background:var(--indigo);color:#fff}.cmp .card.good p{color:#d6d3ef}.ct{font-family:var(--mono);font-size:11px;letter-spacing:.08em;color:var(--red)}.good .ct{color:#c3bdf0}
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}@media(max-width:900px){.steps{grid-template-columns:1fr 1fr}}@media(max-width:520px){.steps{grid-template-columns:1fr}}.steps .card{min-height:230px}.steps .card:nth-child(4){background:var(--deep);color:#fff}.steps .card:nth-child(4) p{color:#c9d0e0}.steps .card:nth-child(4) .bn{color:#7fa4ff}.bn{font-family:var(--display);font-size:34px;font-weight:700;color:var(--blue);line-height:1;letter-spacing:-.03em}.st{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--muted)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:start;margin-top:8px}@media(max-width:900px){.plans{grid-template-columns:1fr}}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 26px 24px;display:grid;gap:12px;position:relative;transition:transform .2s,box-shadow .2s}.plan:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
.plan::before{content:attr(data-frame);position:absolute;top:-10px;left:18px;font-family:var(--mono);font-size:10px;color:var(--blue);background:var(--card);padding:0 6px}
.plan.hi{background:linear-gradient(160deg,#eef2ff,#fff 60%);border-color:var(--blue);box-shadow:0 24px 50px -30px rgba(39,86,164,.5)}.plan.hi::after{content:"POPULAR";position:absolute;top:18px;right:18px;font-family:var(--mono);font-size:10px;font-weight:700;letter-spacing:.08em;background:var(--blue);color:#fff;padding:4px 10px;border-radius:999px}
.plan .name{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}.plan .price{font-family:var(--display);font-size:46px;font-weight:700;line-height:1;letter-spacing:-.03em}.plan .price small{font-size:14px;font-weight:500;color:var(--muted);letter-spacing:0}.plan .meta{font-family:var(--mono);font-size:12.5px;color:var(--ink-2);padding-bottom:12px;border-bottom:1px solid var(--line)}
.plan ul{margin:0;padding:0;list-style:none;display:grid;gap:9px;font-size:14.5px}.plan li{display:flex;gap:10px;align-items:flex-start}.plan li::before{content:"✓";flex-shrink:0;width:18px;height:18px;border-radius:50%;background:var(--surf);color:var(--blue);font-size:11px;font-weight:700;display:grid;place-items:center;margin-top:3px}
.plan .fit{font-family:var(--mono);font-size:12px;color:var(--muted);padding-top:6px}.plan .btn{justify-content:center;width:100%}
.terms{display:grid;gap:8px;max-width:80ch;font-size:14px;color:var(--muted);background:var(--surf);border-radius:var(--r);padding:26px}.terms h2{font-size:18px;color:var(--ink);margin-bottom:6px}
.faq{display:grid;gap:10px}.faq details{background:var(--surf);border-radius:var(--r-sm);padding:0 20px}.faq summary{cursor:pointer;padding:16px 0;font-weight:600;font-size:16px;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::after{content:"+";font-family:var(--mono);color:var(--blue)}.faq details[open] summary::after{content:"−"}.faq details p{padding:0 0 16px;color:var(--ink-2);max-width:70ch}
.offices{display:flex;flex-wrap:wrap;gap:10px;align-content:start}.offices div{background:var(--surf);border-radius:999px;padding:10px 16px;font-size:14px;font-weight:500;display:flex;gap:10px;align-items:center}.offices small{font-family:var(--mono);color:var(--muted);font-size:11px}
.band{background:var(--deep);color:#fff;border-radius:var(--r);padding:clamp(26px,4vw,44px);display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;position:relative;overflow:hidden}.band::after{content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(46,35,127,.9),transparent 70%);pointer-events:none}.band>*{position:relative}
@media(max-width:860px){.band{grid-template-columns:1fr}}.band h2{color:#fff;margin-top:10px}.band .lead{color:#c9d0e0;margin-top:12px}.band .eyebrow{color:#ABB4CF}.band em{font-style:normal;color:#ABB4CF}.band .btn{border-color:#fff;color:#fff}.band .btn.solid{background:var(--card);color:var(--ink);border-color:#fff}
form.f{display:grid;gap:12px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:18px;padding:20px}.f label{display:grid;gap:6px;font-size:13px;color:#c9d0e0}.f input,.f select,.f textarea{font:inherit;font-size:15px;padding:11px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);color:#fff;width:100%}.f input::placeholder{color:#8a96b3}.f select option{color:#1E2B3A}.f .row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media(max-width:520px){.f .row2{grid-template-columns:1fr}}.f .btn.solid{justify-content:center}.f .fine{font-size:12px;color:#8a96b3}.f .err{border-color:var(--red)!important}
form.f.light{background:var(--surf);border-color:transparent}.f.light label{color:var(--muted)}.f.light input,.f.light select,.f.light textarea{background:var(--card);color:var(--ink);border-color:var(--line)}.f.light .btn.solid{background:var(--deep);color:#fff;border-color:var(--deep)}.f.light .fine{color:var(--muted)}
.list{margin:0;padding:0;list-style:none;display:grid;gap:10px;font-size:15px;color:var(--ink-2)}.list li{padding:14px 16px 14px 40px;position:relative;background:var(--surf);border-radius:var(--r-sm)}.list li::before{content:"";position:absolute;left:18px;top:1.35em;width:10px;height:2px;background:var(--blue)}
.tbl{overflow-x:auto;background:var(--surf);border-radius:var(--r);padding:8px 18px}table{width:100%;border-collapse:collapse;font-size:14.5px}th,td{text-align:left;padding:12px 10px;border-bottom:1px solid #fff;vertical-align:top}th{font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);font-family:var(--mono);font-weight:500;white-space:nowrap}tr:last-child td{border-bottom:0}tr.gate td{background:var(--card)}tr.gate td:first-child::after{content:" · GATE";color:var(--indigo);font-family:var(--mono);font-size:11px}
.related{padding-block:4px 36px;font-size:14px}.related .more{margin:0 2px}
.case canvas{width:100%;height:110px;display:block;border-radius:12px;background:var(--card)}.stat{display:flex;gap:22px;flex-wrap:wrap}.stat div{display:grid;gap:2px}.stat .v{font-family:var(--display);font-size:26px;font-weight:700;color:var(--blue);line-height:1}.stat .k{font-size:12.5px;color:var(--muted)}
.report{background:var(--surf);border-radius:var(--r);overflow:hidden}.rh{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:16px 20px;font-size:13px;color:var(--muted)}.rh b{color:var(--ink)}.chart{padding:0 16px 8px}.chart canvas{width:100%;height:220px;display:block;background:var(--card);border-radius:14px}.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;padding:12px}.kpi{padding:14px 16px;background:var(--card);border-radius:12px}.kpi .k{font-size:11px;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-family:var(--mono)}.kpi .v{font-family:var(--display);font-size:24px;font-weight:700;margin-top:4px;letter-spacing:-.02em}@media(max-width:520px){.kpis{grid-template-columns:1fr 1fr}}
.prose{max-width:76ch}.prose h2{font-size:22px;margin:30px 0 10px}.prose p{margin:0 0 12px;color:var(--ink-2)}.prose table{margin:12px 0}.prose strong{color:var(--ink)}
.email{font-family:var(--mono)}.thanks{display:grid;gap:14px;justify-items:start}.thanks .ok{width:48px;height:48px;border-radius:50%;background:var(--green);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:700}
footer{margin:clamp(32px,5vw,64px) var(--gutter) 16px}footer .wrap{background:var(--deep);color:#fff;border-radius:var(--r);padding-inline:clamp(22px,4vw,44px);max-width:1200px}.fcols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:26px;padding-block:40px}@media(max-width:900px){.fcols{grid-template-columns:1fr 1fr}}@media(max-width:520px){.fcols{grid-template-columns:1fr}}.fcols h4{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#ABB4CF;font-family:var(--mono);font-weight:500;margin-bottom:12px}.fcols ul{margin:0;padding:0;list-style:none;display:grid;gap:8px;font-size:14.5px}.fcols li a{color:#e6e9f1}.fcols li a:hover{color:#fff;text-decoration:underline}.brand img{height:22px;width:auto;filter:brightness(0) invert(1)}.brand p{font-size:14px;color:#c9d0e0;margin-top:12px;max-width:34ch}.status{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;color:#ABB4CF;margin-top:14px}.status i{width:8px;height:8px;border-radius:50%;background:#3fc487;box-shadow:0 0 0 3px rgba(63,196,135,.25)}
.fbot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-block:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#ABB4CF}.fbot .lang{background:rgba(255,255,255,.08)}.fbot .lang a{color:#c9d0e0}.fbot .lang a.on{background:var(--card);color:var(--ink)}

/* trxy page */
.trxyline .trxy-mark{height:18px;width:auto;display:block}
.trxy-hero{background:var(--deep);color:#fff;border-radius:var(--r);padding:clamp(28px,4.5vw,60px);display:grid;grid-template-columns:1.05fr 1fr;gap:clamp(24px,4vw,56px);align-items:center;position:relative;overflow:hidden}
.trxy-hero::after{content:"";position:absolute;right:-140px;bottom:-160px;width:440px;height:440px;border-radius:50%;background:radial-gradient(circle,rgba(46,35,127,.95),transparent 70%);pointer-events:none}.trxy-hero>*{position:relative;z-index:1;min-width:0}
.trxy-hero .mark img{display:block;width:min(420px,100%);height:auto}.trxy-hero .def{margin-top:20px;font-family:var(--mono);font-size:13px;letter-spacing:.08em;color:#ABB4CF}.trxy-hero .def b{color:#fff;font-weight:500}
.trxy-hero .eyebrow{color:#ABB4CF}.trxy-hero p{color:#d3d9e6;font-size:16px;line-height:1.75;margin-top:12px}
.tfacts{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:14px}.tfacts .f{background:var(--surf);border-radius:18px;padding:18px 20px;display:grid;gap:4px}.tfacts b{font-family:var(--display);font-size:clamp(28px,3vw,38px);font-weight:700;letter-spacing:-.03em;line-height:1;color:var(--ink)}.tfacts .f:nth-child(2){background:var(--indigo)}.tfacts .f:nth-child(2) b,.tfacts .f:nth-child(2) span{color:#fff}.tfacts span{font-size:13px;color:var(--muted)}
@media(max-width:860px){.trxy-hero{grid-template-columns:1fr}}@media(max-width:520px){.tfacts{grid-template-columns:1fr}}
.tiles .card{min-height:220px}.tiles .card .l{margin-top:auto}
.teams{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:14px}.teams .card{min-height:240px}.teams .lead-team{background:var(--deep);color:#fff}.teams .lead-team p{color:#c9d0e0}.teams .lead-team .bn{color:#fff}
.langs{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.langs span{font-size:12px;padding:4px 10px;border-radius:999px;background:rgba(255,255,255,.1);color:#e3e7f0}.langs .more-l{background:transparent;border:1px dashed rgba(255,255,255,.35)}
@media(max-width:1000px){.teams{grid-template-columns:1fr 1fr}.teams .lead-team{grid-column:span 2}}@media(max-width:560px){.teams{grid-template-columns:1fr}.teams .lead-team{grid-column:auto}}
.gates{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}.gates .card{padding:20px 16px;min-height:180px}.gates .card h3{font-size:16px}.gates .card p{font-size:13.5px}.gates .gate{background:#e7e6f3}.gates .gate .t{color:var(--indigo)}.gates .card:last-child{background:var(--indigo);color:#fff}.gates .card:last-child p{color:#d6d3ef}.gates .card:last-child .t{color:#c3bdf0}
@media(max-width:1000px){.gates{grid-template-columns:repeat(3,1fr)}}@media(max-width:560px){.gates{grid-template-columns:1fr 1fr}}
.gnote{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.gnote span{font-size:14px;padding:10px 18px;border-radius:999px}.gnote .ok{background:var(--deep);color:#fff}.gnote .no{background:var(--surf);color:var(--red)}
.stmt{background:var(--indigo);color:#fff;border-radius:var(--r);padding:clamp(28px,4.5vw,56px);display:grid;grid-template-columns:1fr 1.2fr;gap:clamp(20px,4vw,48px);align-items:center}.stmt h2{color:#fff;margin-top:10px}.stmt .t{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:#c3bdf0}.stmt p{color:#e0ddf5;font-size:16px;line-height:1.75}
@media(max-width:800px){.stmt{grid-template-columns:1fr}}
.chain{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}.chain .card{position:relative;min-height:220px;background:var(--surf)}.chain .card:not(:last-child)::after{content:"→";position:absolute;right:-14px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;z-index:2}
.chain .card.hot{background:var(--deep);color:#fff}.chain .card.hot p{color:#c9d0e0}.chain .tl-logo{height:18px;width:auto;display:block;margin:2px 0 4px}.chain .card:nth-child(3){background:var(--indigo);color:#fff}.chain .card:nth-child(3) p{color:#d6d3ef}.chain .card:nth-child(3) .t{color:#c3bdf0}
@media(max-width:1000px){.chain{grid-template-columns:1fr 1fr}.chain .card:last-child{grid-column:span 2}.chain .card::after{display:none}}@media(max-width:560px){.chain{grid-template-columns:1fr}.chain .card:last-child{grid-column:auto}}

/* line-draw on hero sparklines + live chart */
.htile svg path,.pulse svg path:first-child{stroke-dasharray:320;stroke-dashoffset:320;transition:stroke-dashoffset 2.2s cubic-bezier(.16,1,.3,1) .2s}
.pulse svg path:last-child{opacity:0!important;transition:opacity 1s ease 1.6s}
.drawn .htile svg path,.drawn .pulse svg path:first-child{stroke-dashoffset:0}.drawn .pulse svg path:last-child{opacity:.12!important}
.num-pop{animation:numpop .5s cubic-bezier(.16,1,.3,1)}@keyframes numpop{0%{transform:translateY(6px);opacity:.3}100%{transform:none;opacity:1}}

/* results statboard */
.statboard{display:grid;gap:26px}.sg-h{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:500;margin-bottom:12px}
.metrics.m4{grid-template-columns:repeat(4,1fr)}@media(max-width:900px){.metrics.m4{grid-template-columns:1fr 1fr}}@media(max-width:520px){.metrics.m4{grid-template-columns:1fr}}
.sgroup:nth-child(2) .metric:nth-child(2){background:var(--surf);color:var(--ink)}.sgroup:nth-child(2) .metric:nth-child(2) .k,.sgroup:nth-child(2) .metric:nth-child(2) .s{color:var(--muted)}.sgroup:nth-child(2) .metric:nth-child(4){background:var(--indigo);color:#fff}.sgroup:nth-child(2) .metric:nth-child(4) .k,.sgroup:nth-child(2) .metric:nth-child(4) .s{color:#c3bdf0}

/* homepage intro: workflow grid-cell logo animation */
.intro-anim{position:relative;border-bottom:1px solid var(--line)}
.intro-anim .stage{position:relative;overflow:hidden;display:grid;place-items:center;height:calc(100svh - 67px);min-height:460px;max-height:980px;background:var(--paper);cursor:pointer}
.intro-anim .logo{position:relative;width:min(62%,900px);aspect-ratio:2435/1107;margin-top:-6%}
.intro-anim .full{position:absolute;inset:0;width:100%;height:100%;display:block;max-width:none;opacity:0}
.intro-anim canvas.pcv{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none}
.intro-anim .stage.settled canvas.pcv{opacity:0;transition:opacity .7s cubic-bezier(.4,0,.2,1)}.intro-anim .stage.settled .full.l{opacity:1}
.intro-anim .shine{position:absolute;inset:0;pointer-events:none;-webkit-mask:url(a3seo-logo-hi.png) center/100% 100% no-repeat;mask:url(a3seo-logo-hi.png) center/100% 100% no-repeat;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.5) 50%,transparent 60%);background-size:300% 100%;background-position:130% 0;opacity:0}
@keyframes introsweep{0%{background-position:130% 0;opacity:1}60%{background-position:-30% 0;opacity:1}61%,100%{opacity:0}}
.intro-anim .stage.burst .shine{animation:introsweep 1.6s ease-in-out both}
.intro-next{position:absolute;right:max(var(--gutter),calc((100% - 1200px)/2 + var(--gutter)));top:18px;z-index:4;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink);background:var(--card);font-size:16px;animation:nudge 2.2s ease-in-out infinite}
@keyframes nudge{0%,100%{transform:translateY(0)}50%{transform:translateY(5px)}}
@media(max-width:640px){.intro-anim .stage{height:calc(100svh - 67px);min-height:520px}.intro-anim .logo{width:84%;margin-top:-34%}}
/* dark mode */
html[data-theme="dark"]{--red:#FF8C78;--ink:#E7ECF6;--ink-2:#C4CCE0;--muted:#8E9AB6;--faint:#4B587A;--paper:#0E1522;--surf:#162031;--surf-2:#121B2A;--line:#26324B;--blue:#7FA4FF;--blue-2:#9DB9FF;--indigo:#3A2FA3;--deep:#1B2740;--card:#172234;--band:#111A28;--shadow:0 20px 50px -30px rgba(0,0,0,.75);color-scheme:dark}
html[data-theme="dark"] body{background:var(--paper);color:var(--ink)}
html[data-theme="dark"] header{background:var(--paper)!important}
html[data-theme="dark"] .logo img,html[data-theme="dark"] footer .brand img{content:url(a3seo-logo-dark.png)}
html[data-theme="dark"] .trxyline .trxy-mark{filter:invert(1)}
html[data-theme="dark"] .tt{color:#8ab4f8}html[data-theme="dark"] .row.top{background:var(--surf-2)}
html[data-theme="dark"] .btn.solid{background:var(--blue);border-color:var(--blue);color:#0E1522}html[data-theme="dark"] .btn.solid:hover{background:var(--blue-2);border-color:var(--blue-2)}
html[data-theme="dark"] .band .btn.solid,html[data-theme="dark"] .f .btn.solid{background:#fff;border-color:#fff;color:#1E2B3A}
html[data-theme="dark"] .plan.hi{background:linear-gradient(160deg,#1c2a48,var(--card) 60%)}
html[data-theme="dark"] .ul{text-decoration-color:var(--faint)}
html[data-theme="dark"] .intro-anim .stage.settled.dark .full.l{opacity:0}html[data-theme="dark"] .intro-anim .stage.settled.dark .full.d{opacity:1}
html[data-theme="dark"] .intro-next{background:var(--card)}
.theme-toggle{width:36px;height:36px;border-radius:999px;border:1px solid var(--line);background:transparent;color:var(--ink);display:inline-grid;place-items:center;cursor:pointer;padding:0;flex-shrink:0}
.theme-toggle:hover{border-color:var(--blue);color:var(--blue)}.theme-toggle svg{width:17px;height:17px}.theme-toggle .sun{display:none}
html[data-theme="dark"] .theme-toggle .sun{display:block}html[data-theme="dark"] .theme-toggle .moon{display:none}

/* first screen: intro → watermark → hero */
.first-screen{position:relative}
.first-screen .intro-anim{position:fixed;left:0;right:0;top:67px;bottom:0;height:auto;min-height:0;max-height:none;z-index:-1;border:0;pointer-events:none;overflow:hidden}
.first-screen .intro-anim .stage{position:relative;height:100%;min-height:0;max-height:none;cursor:default;background:transparent}
.first-screen .hero{position:relative;z-index:1}
.first-screen.intro-on .hero{opacity:0;visibility:hidden}
.first-screen.done .hero{opacity:1;visibility:visible}
@keyframes heroIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.first-screen.done .hero .intro>div:first-child{animation:heroIn .9s cubic-bezier(.16,1,.3,1) .25s both}
.first-screen.done .hero .intro>div:last-child{animation:heroIn .9s cubic-bezier(.16,1,.3,1) .45s both}
.first-screen.done .hero .hero-bento{animation:heroIn 1s cubic-bezier(.16,1,.3,1) .65s both}
.first-screen .intro-anim .logo{transition:opacity 1.4s ease,transform 1.8s cubic-bezier(.16,1,.3,1),filter 1.4s ease}
.first-screen.done .intro-anim .logo{opacity:.06;transform:scale(1.14);filter:blur(1.5px)}
html[data-theme="dark"] .first-screen.done .intro-anim .logo{opacity:.09}
.first-screen.done .intro-anim .shine{display:none}

/* traffic loop contrast (light needs more definition; dark keeps its look) */
.loop{background:linear-gradient(160deg,var(--surf-2),var(--surf))!important}
.loop .lp-dots circle{fill:#bcc4d4}.loop .lp-card{stroke:#cdd4e1;filter:drop-shadow(0 6px 14px rgba(30,43,58,.13))}.loop .lp-fb{opacity:.75}
html[data-theme="dark"] .loop .lp-dots circle{fill:#dfe2ea;opacity:.7}html[data-theme="dark"] .loop .lp-card{stroke:#dfe2ea;filter:none}html[data-theme="dark"] .loop .lp-fb{opacity:.55}
html[data-theme="dark"] .loop .lp-line{stroke:#7FA4FF;filter:drop-shadow(0 0 3px rgba(127,164,255,.55))}
html[data-theme="dark"] .loop .lp-fb{stroke:#9C93FF;opacity:.8;filter:drop-shadow(0 0 2px rgba(156,147,255,.5))}
html[data-theme="dark"] .loop svg circle[filter]{fill:#B7CCFF}

/* header language dropdown */
.lang-dd{position:relative}
.lang-btn{display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 11px 0 13px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--ink);font:700 13px/1 var(--body);cursor:pointer;white-space:nowrap}
.lang-btn:hover{border-color:var(--faint)}.lang-btn svg{width:12px;height:12px;transition:transform .2s}.lang-dd.open .lang-btn svg{transform:rotate(180deg)}
.lang-menu{position:absolute;right:0;top:calc(100% + 10px);min-width:160px;background:var(--card);border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 40px -18px rgba(30,43,58,.35);padding:8px;display:none;gap:2px;z-index:60}
.lang-dd.open .lang-menu{display:grid;animation:ddIn .16s ease-out}@keyframes ddIn{from{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:none}}
.lang-menu a{padding:11px 12px;border-radius:9px;font-weight:600;font-size:14.5px;color:var(--ink);white-space:nowrap}.lang-menu a:hover{background:var(--surf)}.lang-menu a.on{color:var(--blue)}
@media(max-width:1080px){.right .lang-dd{display:none}}
html[data-theme="dark"] .lang-menu{box-shadow:0 18px 40px -18px rgba(0,0,0,.8)}

/* contrast: list + FAQ inside the dark split panel (bento only; Line/Soft make this panel light) */
body:not(.t-line):not(.t-soft) .split>div:first-child .list li{background:rgba(255,255,255,.08);color:#E3E8F2}
body:not(.t-line):not(.t-soft) .split>div:first-child .list li::before{background:#8FB0FF}
body:not(.t-line):not(.t-soft) .split>div:first-child .faq details{background:rgba(255,255,255,.08)}
body:not(.t-line):not(.t-soft) .split>div:first-child .faq summary{color:#fff}
body:not(.t-line):not(.t-soft) .split>div:first-child .faq summary::after{color:#8FB0FF}
body:not(.t-line):not(.t-soft) .split>div:first-child .faq details p{color:#C9D0E0}

/* contrast pass 2026-09-25 */
body:not(.t-line):not(.t-soft) .split>div:first-child h2 span{color:#8FB0FF!important}
.tagline .x{color:var(--muted)}
.f .fine{color:#A7B1C8}.f.light .fine{color:var(--muted)}
html[data-theme="dark"] .flag{color:#C4BEFF;border-color:var(--faint)}
html[data-theme="dark"] .gates .gate .t{color:#C4BEFF}
body:not(.t-line):not(.t-soft) .split>div:first-child .tagline .x{color:#ABB4CF}
body:not(.t-line):not(.t-soft) .steps .card:nth-child(4) .st{color:#ABB4CF}

/* Telegram CTA (no official email) */
.tg-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:clamp(24px,3.4vw,40px);display:grid;gap:14px;align-content:center}
.tg-card h2{font-size:clamp(24px,2.6vw,34px)}.tg-card .lead{color:var(--ink-2)}
.tg-btn{display:inline-flex;align-items:center;justify-content:center;gap:10px}.tg-card .tg-btn{justify-self:start}

/* mobile menu: clear section headings vs sub-items */
@media(max-width:1080px){
 nav.main{max-height:calc(100svh - 96px);overflow-y:auto;padding:6px 16px 16px}
 nav.main>div:not(.mob){border-bottom:1px solid var(--line);padding:4px 0}
 nav.main a.top{font-size:16px;font-weight:700;color:var(--ink);padding:14px 4px;border-radius:0}
 nav.main a.top:hover,nav.main a.top.on{background:transparent;color:var(--blue);box-shadow:none}
 nav.main a.top .caret{display:none}
 nav.main .dd{display:grid;gap:2px;padding:0 0 12px 6px;margin:0}
 nav.main .dd a{font-size:14.5px;font-weight:500;color:var(--muted);padding:9px 12px;border-left:2px solid var(--line);border-radius:0 8px 8px 0}
 nav.main .dd a:hover{color:var(--ink);border-left-color:var(--blue);background:var(--surf)}
 nav.main .mob{border-top:0;margin-top:12px;padding:12px 4px 0}
 html body nav.main a.top.on,html body nav.main a.top:hover{box-shadow:none}
}

/* ===== Theme B · SOFT — centred, calm, uniform white cards, alternating pale bands ===== */
:root{--r:16px;--r-sm:12px;--line:#e4e7ee;--card-sh:0 1px 2px rgba(30,43,58,.05),0 8px 24px -18px rgba(30,43,58,.25)}
.wrap{max-width:1100px}
h1{font-size:clamp(34px,4.4vw,54px)}h2{font-size:clamp(26px,2.8vw,36px)}
header{background:var(--paper);border-bottom:1px solid var(--line)}.bar{max-width:1100px}

/* centred section heads */
.head,.head.center{display:block;text-align:center;max-width:720px;margin:0 auto clamp(26px,3vw,40px)}.head .lead{margin:14px auto 0;max-width:60ch;color:var(--muted)}
.phead{text-align:center}.phead h1{margin-inline:auto}.phead .lead{margin-inline:auto}.crumb{justify-content:center}
.related{text-align:center}

/* alternating pale bands for rhythm */
main>section.blk{padding-block:clamp(44px,6vw,80px)}
main>section.blk:nth-of-type(even){background:var(--band)}

/* every card the same: white, thin border, soft shadow, no colour fills */
.card,.metric,.htile,.tfacts .f,.proof .wrap>div,.closer,.quote h3,.tl>div,.list li,.faq details,.terms,.tbl,.loop,.canvas,.report{background:var(--card)!important;color:var(--ink)!important;border:1px solid var(--line)!important;box-shadow:var(--card-sh)}
.card p,.metric .s,.htile p,.stmt p,.cmp .card p{color:var(--ink-2)!important}
.card .t,.ct,.st,.span,.metric .k,.htile .k{color:var(--muted)!important}.card .l{color:var(--blue)!important}
.bn,.htile .v,.tfacts b,.proof b{color:var(--ink)!important}.metric .v{color:var(--blue)!important}
a.card:hover{transform:translateY(-2px);border-color:var(--faint)!important}
.glyph{background:var(--surf);box-shadow:none}
.card,.metric{min-height:0!important;padding:24px}
/* emphasis = thin blue top rule instead of dark blocks */
.grid.mods>:nth-child(1),.grid.entries>:first-child,.flow .card:nth-child(3),.steps .card:nth-child(4),.metric:nth-child(2),.teams .lead-team,.chain .card.hot,.gates .card:last-child,.cmp .card.good{box-shadow:inset 0 3px 0 var(--blue),var(--card-sh)!important}
.grid.entries>:first-child .glyph{background:var(--surf);color:var(--blue)}.grid.entries>:first-child .more{color:var(--ink)}

/* even, predictable grids (max 3–4 across, no spans) */
.grid.mods{grid-template-columns:repeat(4,1fr)}.grid.mods>*{grid-column:auto!important}
.grid.entries{grid-template-columns:repeat(3,1fr)}.grid.entries>*{grid-column:auto!important}
@media(max-width:900px){.grid.mods{grid-template-columns:1fr 1fr}.grid.entries{grid-template-columns:1fr}}@media(max-width:600px){.grid.mods{grid-template-columns:1fr}}
.teams{grid-template-columns:repeat(4,1fr)}.teams .lead-team{grid-column:auto!important}@media(max-width:1000px){.teams{grid-template-columns:1fr 1fr}}@media(max-width:560px){.teams{grid-template-columns:1fr}}
.chain .card:last-child{grid-column:auto!important}.chain .card::after{color:var(--faint)}
@media(max-width:1000px){.chain{grid-template-columns:1fr 1fr}}@media(max-width:560px){.chain{grid-template-columns:1fr}}

/* hero: centred intro, bento as one quiet panel */
.hero{text-align:center}.hero .intro{grid-template-columns:1fr;justify-items:center;gap:18px}.hero .intro .lead{margin-inline:auto}.hero .cta{justify-content:center}
.hero h1{font-size:clamp(38px,5vw,64px)}
.hero-bento{grid-template-columns:repeat(4,1fr);text-align:left}.hero-bento .canvas{grid-column:1/-1;grid-row:auto}.canvas{background:var(--band)!important}
.cgrid{grid-template-columns:1.4fr 1fr}@media(max-width:800px){.cgrid{grid-template-columns:1fr}}
.htile{min-height:0;padding:20px}.htile svg path{stroke:var(--blue)}
@media(max-width:900px){.hero-bento{grid-template-columns:1fr 1fr}}@media(max-width:520px){.hero-bento{grid-template-columns:1fr}}

/* solution / pains: light */
.split>div:first-child{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:var(--card-sh)}.split>div:first-child .lead{color:var(--ink-2)}.split>div:first-child .more{color:var(--ink)}.split>div:first-child .t,.split>div:first-child .muted{color:var(--muted)}.bul li::before{color:var(--blue)}
.quote h3{font-size:clamp(20px,2vw,26px)}.quote em{color:var(--blue)}

/* TRXY page: light hero, dark logo */
.trxy-hero{background:var(--card)!important;color:var(--ink);border:1px solid var(--line);box-shadow:var(--card-sh);text-align:left}.trxy-hero::after{display:none}.trxy-hero .mark img{filter:brightness(0)}.trxy-hero p{color:var(--ink-2)}.trxy-hero .def{color:var(--muted)}.trxy-hero .def b{color:var(--blue)}.trxy-hero .eyebrow{color:var(--muted)}
.chain .tl-logo{filter:brightness(0)}
.langs span{background:var(--surf);color:var(--ink-2)}.langs .more-l{background:transparent;border:1px dashed var(--faint)}
.gates .gate .t{color:var(--muted)!important}
.stmt{background:var(--card);color:var(--ink);border:1px solid var(--line);box-shadow:inset 4px 0 0 var(--blue),var(--card-sh)}.stmt h2{color:var(--ink)}.stmt .t{color:var(--blue)}
.gnote{justify-content:center}.gnote .no{background:var(--card);border:1px solid var(--line)}
.trxyline{background:var(--card);border:1px solid var(--line);justify-content:center}
.tfacts .f{text-align:center}
.cmp .card.good .ct{color:var(--blue)!important}

/* numbers centred */
.metric{text-align:center;align-content:center}
.plans{gap:18px}.plan{box-shadow:var(--card-sh)}

/* CTA band: the only dark block, centred */
.band{grid-template-columns:1fr;text-align:center;justify-items:center}.band .lead{margin-inline:auto}.band .btns{justify-content:center}.band::after{left:50%;right:auto;transform:translateX(-50%);top:-240px;width:520px;height:520px}
.band form.f{text-align:left;width:100%;max-width:560px}

/* footer: light grey */
footer{margin:0}footer .wrap{background:var(--band);color:var(--ink);border-radius:0;max-width:none;padding-inline:max(var(--gutter),calc((100vw - 1100px)/2 + var(--gutter)))}
.fcols li a{color:var(--ink-2)}.fcols li a:hover{color:var(--blue)}.fcols h4{color:var(--muted)}.brand img{filter:none}.brand p{color:var(--ink-2)}.status{color:var(--muted)}.fbot{border-top:1px solid var(--line);color:var(--muted)}.fbot .lang{background:var(--card)}.fbot .lang a{color:var(--muted)}.fbot .lang a.on{background:var(--deep);color:#fff}

.band::after{z-index:0;opacity:.7}.band>*{z-index:1}
.tfacts .f span{color:var(--muted)!important}

/* dark overrides */
html[data-theme="dark"] .trxy-hero .mark img,html[data-theme="dark"] .chain .tl-logo{filter:none}
html[data-theme="dark"] .card,html[data-theme="dark"] .metric,html[data-theme="dark"] .htile,html[data-theme="dark"] .split>div:first-child{border-color:var(--line)!important}

/* traffic loop contrast (light needs more definition; dark keeps its look) */
.loop{background:linear-gradient(160deg,var(--surf-2),var(--surf))!important}
.loop .lp-dots circle{fill:#bcc4d4}.loop .lp-card{stroke:#cdd4e1;filter:drop-shadow(0 6px 14px rgba(30,43,58,.13))}.loop .lp-fb{opacity:.75}
html[data-theme="dark"] .loop .lp-dots circle{fill:#dfe2ea;opacity:.7}html[data-theme="dark"] .loop .lp-card{stroke:#dfe2ea;filter:none}html[data-theme="dark"] .loop .lp-fb{opacity:.55}
html[data-theme="dark"] .loop .lp-line{stroke:#7FA4FF;filter:drop-shadow(0 0 3px rgba(127,164,255,.55))}
html[data-theme="dark"] .loop .lp-fb{stroke:#9C93FF;opacity:.8;filter:drop-shadow(0 0 2px rgba(156,147,255,.5))}
html[data-theme="dark"] .loop svg circle[filter]{fill:#B7CCFF}

/* contrast pass */
.flow .card:nth-child(3) .n{color:var(--blue)!important}.tagline .x{color:var(--muted)}