/* Simples — shared base (tokens, reset, nav, footer, components, motion hooks)
   Converted 1:1 from the Claude Design handoff (design_handoff_simples_site/html/).
   Values are final: do not re-tune colours, sizes, spacing or motion timings. */

:root{
  --white:#FFFFFF;--black:#111111;--grey-60:#666666;--grey-30:#B3B3B3;--hairline:#E6E6E6;--signal:#1A4CFF;
  --sans:'Hanken Grotesk','Noto Sans TC',sans-serif;--mono:'JetBrains Mono',monospace;
  --container:1280px;
  --pad-x:20px;--pad-y:64px;--h1:40px;--h2:24px;--h2-lg:32px;--data:48px;
  --t-fast:150ms;--t-base:300ms;--t-reveal:500ms;
}
@media (min-width:768px){:root{--pad-x:32px;--pad-y:96px;--h1:56px;--h2:28px;--h2-lg:40px;--data:56px}}
@media (min-width:1200px){:root{--pad-x:80px;--pad-y:160px;--h1:96px;--h2:32px;--h2-lg:48px;--data:72px}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-font-smoothing:antialiased}
body{margin:0;background:var(--white);color:var(--black);font-family:var(--sans);font-size:15px;line-height:1.9;letter-spacing:0.02em}
h1,h2,h3,p,ul{margin:0}ul{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t-fast),border-color var(--t-fast),opacity var(--t-fast)}
a:hover{color:var(--signal)}
svg{display:block}

.wrap{max-width:calc(var(--container) + var(--pad-x)*2);margin:0 auto;padding-left:var(--pad-x);padding-right:var(--pad-x)}
.label{font-family:var(--mono);font-size:13px;letter-spacing:0.06em;color:var(--grey-60)}
.muted{color:var(--grey-60)}
.h2{font-size:var(--h2);font-weight:400;line-height:1.4;letter-spacing:0.03em}
.h2-lg{font-size:var(--h2-lg);font-weight:300;line-height:1.3;letter-spacing:0.03em}
.body{max-width:640px}
.link{border-bottom:1px solid var(--black);padding-bottom:3px;display:inline-block}
.link:hover{border-color:var(--signal)}
.link-lg{font-size:20px;font-weight:500;border-bottom:1px solid var(--black);padding-bottom:4px;display:inline-block}
.link-lg:hover{border-color:var(--signal)}
.cta-signal{font-size:20px;font-weight:400;letter-spacing:0.02em;display:inline-flex;align-items:center;gap:12px;border-bottom:1px solid var(--black);padding-bottom:4px;color:var(--black)}
.cta-signal::before{content:"";width:8px;height:8px;background:var(--signal);display:inline-block}
.cta-signal:hover{color:var(--black);border-color:var(--signal)}
.section{padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
.sec-head{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:32px}
@media (min-width:768px){.sec-head{margin-bottom:40px}}
@media (min-width:1200px){.sec-head{margin-bottom:56px}}
.glyph{width:16px;height:16px;fill:var(--black)}

/* nav */
.nav{display:flex;justify-content:space-between;align-items:center;padding:20px var(--pad-x)}
@media (min-width:768px){.nav{padding-top:24px;padding-bottom:24px}}
@media (min-width:1200px){.nav{padding-top:28px;padding-bottom:28px}}
.nav .logo img{height:18px;width:auto;display:block;object-fit:contain}
@media (min-width:768px){.nav .logo img{height:20px}}
@media (min-width:1200px){.nav .logo img{height:22px}}
.nav-list{display:none;gap:32px}
.nav-list a{display:flex;gap:6px;align-items:baseline}
.nav-list a span:last-child{color:var(--grey-60);font-size:13px}
.menu-btn{font-family:var(--mono);font-size:13px;letter-spacing:0.06em;background:none;border:0;padding:0;cursor:pointer;color:inherit}
.menu-btn:hover{color:var(--signal)}
@media (min-width:1200px){.nav-list{display:flex}.menu-btn{display:none}}
.menu{display:none;position:fixed;inset:0;background:var(--white);z-index:10;flex-direction:column}
.menu.open{display:flex}
.menu-body{flex:1;display:flex;flex-direction:column;padding:32px var(--pad-x) 0}
.menu-body a{display:flex;justify-content:space-between;align-items:baseline;padding:22px 0;border-top:1px solid var(--hairline);font-size:28px;font-weight:300;letter-spacing:0.03em}
.menu-body a:last-child{border-bottom:1px solid var(--hairline)}
.menu-body a span:last-child{font-size:13px;color:var(--grey-60);font-weight:400}
.menu-foot{padding:24px var(--pad-x);font-family:var(--mono);font-size:13px;letter-spacing:0.06em;color:var(--grey-60);line-height:1.8}

/* hero */
.hero{min-height:calc(100vh - 60px);display:flex;flex-direction:column}
.hero-main{flex:1;display:flex;flex-direction:column;justify-content:center;gap:24px;animation:fadeUp var(--t-base) ease both}
@media (min-width:768px){.hero-main{gap:32px}}
@media (min-width:1200px){.hero-main{gap:40px}}
.hero h1{font-size:var(--h1);font-weight:300;line-height:1.2;letter-spacing:0.03em}

@media (min-width:1200px){.hero h1{white-space:nowrap}}
.hero-foot{display:flex;flex-direction:column;gap:12px;padding-bottom:24px}
@media (min-width:768px){.hero-foot{flex-direction:row;justify-content:space-between;align-items:center;padding-bottom:28px}}
@media (min-width:1200px){.hero-foot{padding-bottom:32px}}
.hero-mark{display:flex;gap:12px}
@keyframes fadeUp{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}

/* proof */
.proof{padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
@media (min-width:1200px){.proof{padding-top:120px;padding-bottom:120px}}
.stats{display:grid;grid-template-columns:1fr;gap:40px}
@media (min-width:768px){.stats{grid-template-columns:1fr 1fr;gap:56px 24px}}
@media (min-width:1200px){.stats{grid-template-columns:repeat(4,1fr);gap:24px}}
.stat{border-top:1px solid var(--black);padding-top:20px;display:flex;flex-direction:column;gap:14px}
@media (min-width:768px){.stat{padding-top:24px;gap:20px}}
@media (min-width:1200px){.stat{padding-top:32px;gap:24px}}
.stat b{font-family:var(--mono);font-weight:400;font-size:var(--data);line-height:1;letter-spacing:-0.02em}
.stat span{font-size:13px;line-height:1.6;color:var(--grey-60);max-width:240px}
.intro{border-top:1px solid var(--hairline);margin-top:48px;padding-top:32px;display:grid;gap:28px}
@media (min-width:768px){.intro{margin-top:64px;padding-top:40px;gap:32px}}
@media (min-width:1200px){.intro{margin-top:96px;padding-top:48px;grid-template-columns:repeat(12,1fr);gap:24px}.intro p{grid-column:span 6}.intro .ctas{grid-column:8/span 5}}
.ctas{display:flex;flex-direction:column;gap:20px;align-items:flex-start}
@media (min-width:768px){.ctas{flex-direction:row;gap:32px;align-items:baseline}}
@media (min-width:1200px){.ctas{gap:40px}}

/* two-col */
.two{display:flex;flex-direction:column;gap:20px}
@media (min-width:768px){.two{gap:24px}}
@media (min-width:1200px){.two{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}.two-l{grid-column:span 4;display:flex;flex-direction:column;gap:20px}.two-r{grid-column:6/span 6;display:flex;flex-direction:column;gap:28px}}
.two-l,.two-r{display:contents}
@media (min-width:1200px){.two-l,.two-r{display:flex}}
.two .h2{max-width:560px}

/* list rows */
.rows{border-bottom:1px solid var(--hairline)}
.row{display:grid;grid-template-columns:40px 1fr 20px;gap:8px 12px;align-items:baseline;padding:20px 0;border-top:1px solid var(--hairline)}
.row .no{font-family:var(--mono);font-size:13px;letter-spacing:0.06em}
.row .t{font-size:18px;font-weight:400;line-height:1.4;letter-spacing:0.02em}
.row .d,.row .tag{grid-column:2;color:var(--grey-60)}
.row .tag{font-size:13px;line-height:1.6}
.row .arr{text-align:right}
@media (min-width:768px){.row{grid-template-columns:56px 1fr 24px;gap:8px 16px;padding:24px 0}.row .t{font-size:20px}}
@media (min-width:1200px){
  .row{grid-template-columns:80px 360px 1fr 40px;gap:24px;padding:28px 0}
  .row .d{grid-column:auto}
  .row.case{grid-template-columns:80px 1fr 1fr 40px}
  .row.case .head{display:flex;flex-direction:column;gap:4px}
  .row.case .tag{grid-column:auto}
}
.row.case .head{display:contents}
@media (min-width:1200px){.row.case .head{display:flex}}

/* steps */
.steps{margin-top:32px}
@media (min-width:768px){.steps{margin-top:48px;display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--hairline);border-top:1px solid var(--hairline);border-bottom:1px solid var(--hairline)}}
@media (min-width:1200px){.steps{margin-top:64px;grid-template-columns:repeat(4,1fr)}}
.step{padding:24px 0;border-top:1px solid var(--hairline);display:grid;grid-template-columns:40px 1fr 16px;gap:8px 12px;align-items:center}
.step .no{font-family:var(--mono);font-size:13px;letter-spacing:0.06em}
.step .t{font-size:20px;font-weight:400;line-height:1.3;letter-spacing:0.02em}
.step .d{grid-column:2;color:var(--grey-60)}
@media (min-width:768px){
  .step{background:var(--white);border:0;padding:32px 24px 40px 0;display:flex;flex-direction:column;gap:24px;align-items:stretch}
  .step .top{display:flex;justify-content:space-between;align-items:center}
  .step .t{font-size:22px}
  .step .d{grid-column:auto;margin-top:-14px}
}
@media (min-width:1200px){.step{padding:40px 32px 48px 0;gap:40px}.step .t{font-size:24px}.step .d{margin-top:-28px}}
.steps:last-child{border-bottom:1px solid var(--hairline)}
@media (max-width:767px){.step .top{display:contents}}

/* dark */
.dark{background:var(--black);color:var(--white);padding-top:var(--pad-y);padding-bottom:var(--pad-y)}
.dark .label{color:var(--grey-30)}
.dark p{color:var(--grey-30);max-width:400px}
.dark .link{border-color:var(--white)}
.dark .link:hover{border-color:var(--signal)}
.dark .inner{display:flex;flex-direction:column;gap:24px}
@media (min-width:768px){.dark .inner{gap:32px}}
@media (min-width:1200px){.dark .inner{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}.dark .dl{grid-column:span 5;display:flex;flex-direction:column;gap:24px}.dark .dr{grid-column:7/span 4;display:flex;flex-direction:column;gap:32px;justify-content:flex-end}}
.dark .dl,.dark .dr{display:contents}
@media (min-width:1200px){.dark .dl,.dark .dr{display:flex}}
.dark .h2-lg br{display:none}
@media (min-width:1200px){.dark .h2-lg br{display:inline}}

/* insights */
.posts{border-bottom:1px solid var(--hairline)}
.post{padding:20px 0;border-top:1px solid var(--hairline);display:flex;flex-direction:column;gap:10px}
.post .t{font-size:18px;font-weight:400;line-height:1.4;letter-spacing:0.02em}
.post .d{display:none;color:var(--grey-60);max-width:600px}
@media (min-width:768px){.post{padding:24px 0;gap:12px}.post .t{font-size:20px}.post .d{display:block}}
@media (min-width:1200px){
  .posts{border-bottom:0;border-top:1px solid var(--hairline);display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
  .post{border-top:0;padding:28px 32px 0 0;gap:20px}
}

/* cta */
.cta{display:flex;flex-direction:column;gap:40px}
.cta-main{display:flex;flex-direction:column;gap:20px}
.cta-proof{border-top:1px solid var(--black);padding-top:16px;display:flex;flex-direction:column;gap:10px}
.cta-proof b{font-family:var(--mono);font-weight:400;font-size:40px;line-height:1;letter-spacing:-0.02em}
.cta-proof span{font-size:13px;line-height:1.6;color:var(--grey-60)}
.cta-proof a{border-bottom:1px solid var(--grey-30)}
@media (min-width:768px){.cta{gap:48px}.cta-main{gap:24px}.cta-proof{padding-top:20px;flex-direction:row;gap:24px;align-items:baseline}}
@media (min-width:1200px){
  .cta{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:end}
  .cta-proof{grid-column:span 4;order:-1;flex-direction:column;gap:20px;padding-top:24px}
  .cta-proof b{font-size:56px}
  .cta-main{grid-column:6/span 7;gap:28px}
}

/* footer */
.footer{border-top:1px solid var(--black);padding:48px var(--pad-x) 24px;display:flex;flex-direction:column;gap:40px}
.footer .logo{align-self:flex-start;display:block}.footer .logo img{height:18px;width:auto;display:block;object-fit:contain}
.footer .col{display:flex;flex-direction:column}
.footer .links{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.footer .legal{display:flex;flex-direction:column;gap:4px;font-family:var(--mono);font-size:13px;letter-spacing:0.06em;color:var(--grey-60)}
.footer .biz{margin-top:8px;font-family:var(--mono);font-size:13px;letter-spacing:0.06em;color:var(--grey-60)}
@media (min-width:768px){
  .footer{padding-top:64px;padding-bottom:32px;gap:48px}.footer .logo img{height:20px}
  .footer .grid{display:grid;grid-template-columns:1fr 1fr;gap:40px 24px}
  .footer .legal{flex-direction:row;justify-content:space-between}
}
@media (min-width:1200px){
  .footer{padding-bottom:40px;gap:64px}
  .footer .grid{grid-template-columns:repeat(12,1fr)}
  .footer .grid>.col:nth-child(1){grid-column:span 4}
  .footer .grid>.col:nth-child(2){grid-column:span 3}
  .footer .links{grid-column:span 4;grid-template-columns:1fr 1fr}
}

/* motion hooks (simples-motion.js)
   The hidden start state is scoped to .js (set on <html> by an inline snippet in
   header.php). Without it a missing/blocked simples-motion.js would leave every
   [data-reveal] section stuck at opacity:0 — i.e. permanently invisible. */
[data-reveal]{position:relative}
[data-reveal]>.line{position:absolute;left:0;right:0;top:0;height:1px;background:var(--hairline);transform-origin:left;transition:transform 600ms cubic-bezier(.2,.7,.2,1)}
.js [data-reveal]{opacity:0;transform:translateY(8px);transition:opacity var(--t-reveal) ease 250ms,transform var(--t-reveal) cubic-bezier(.2,.7,.2,1) 250ms}
.js [data-reveal]>.line{transform:scaleX(0)}
.js [data-reveal].is-in{opacity:1;transform:none}
.js [data-reveal].is-in>.line{transform:scaleX(1)}
.glyph{position:relative;display:inline-block;width:16px;height:16px}
.glyph svg{position:absolute;inset:0;width:100%;height:100%;fill:var(--black);opacity:0;transition:opacity 400ms ease}
.glyph svg:first-child{opacity:1}
[data-glyphs]{display:flex;gap:12px}
.dark{position:relative;overflow:hidden}
.dark .inner{position:relative}
.dark-glyphs{position:absolute;right:20px;top:40px;display:grid;grid-template-columns:repeat(2,36px);gap:7px;transition:transform 500ms cubic-bezier(.2,.7,.2,1);pointer-events:none}
.dark-glyphs svg{width:36px;height:36px;fill:var(--white);display:block}
.dark-glyphs svg:last-child{fill:var(--signal)}
@media (min-width:768px){.dark-glyphs{right:32px;top:64px;grid-template-columns:repeat(2,64px);gap:13px}.dark-glyphs svg{width:64px;height:64px}}
@media (min-width:1200px){.dark-glyphs{right:80px;top:64px;grid-template-columns:repeat(2,72px);gap:14px}.dark-glyphs svg{width:72px;height:72px}}
.acc-item{border-top:1px solid var(--hairline)}
.acc-btn{all:unset;display:flex;justify-content:space-between;align-items:center;gap:24px;width:100%;padding:22px 0;cursor:pointer;font-size:17px;letter-spacing:0.02em;box-sizing:border-box;transition:color var(--t-fast)}
.acc-btn:hover{color:var(--signal)}
.acc-btn .plus{font-family:var(--mono);font-size:18px;display:inline-block;transition:transform 300ms}
.acc-item.is-open .plus{transform:rotate(45deg)}
.acc-body{display:grid;grid-template-rows:0fr;transition:grid-template-rows 300ms cubic-bezier(.2,.7,.2,1)}
.acc-body>div{overflow:hidden}
.acc-body p{padding:0 0 24px;color:var(--grey-60);max-width:560px}
.acc-item.is-open .acc-body{grid-template-rows:1fr}
@media (prefers-reduced-motion:reduce){[data-reveal],[data-reveal]>.line,.glyph svg,.dark-glyphs,.acc-body,.plus{transition:none}}