/* QUINTON WORLD PROJECT — light technical theme. One accent colour. */
:root{
  --bg:#f6f7f5;--bg2:#eceee9;--panel:#ffffff;--ink:#111413;--text2:#3a403c;--mute:#5b625e;--dim:#858b87;
  --line:#e2e5e0;--line2:#d3d7d1;
  /* Accent: the ONLY brand colour (deep green, readable on light). --acc-code is the same green lightened for the dark code panels. */
  --acc:#0a7d3e;--on-acc:#ffffff;--acc-code:#4cc77f;
  --code-bg:#121614;--code-ink:#d6dbd7;--code-dim:#7d857f;--code-line:#2a302c;
  --mono:"JetBrains Mono","IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,Consolas,"Noto Sans Mono CJK HK","Noto Sans Mono CJK TC",monospace;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang HK","Noto Sans HK","Noto Sans CJK TC","Microsoft JhengHei",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:64px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);line-height:1.75;-webkit-font-smoothing:antialiased;
  background-image:linear-gradient(var(--bg2) 1px,transparent 1px),linear-gradient(90deg,var(--bg2) 1px,transparent 1px);background-size:48px 48px}
::selection{background:var(--acc);color:#fff}
a{color:var(--acc)}
img{max-width:100%}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
.center{text-align:center;justify-content:center}
.skip{position:absolute;left:-999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--acc);color:#fff;padding:8px}
h1,h2,h3,.label,.eyebrow,.brand,.menu,.lang,.btn,.f,.kind,.badge,.lbl,.idx,summary,.foot,.chips,.stk span,.flow span,.spec h3{font-family:var(--mono)}

/* nav */
.nav{position:sticky;top:0;z-index:50;background:rgba(246,247,245,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-in{display:flex;align-items:center;gap:20px;height:60px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:700;font-size:14px;letter-spacing:.04em;line-height:1.1}
.brand small{display:block;font-size:10px;letter-spacing:.3em;color:var(--acc);font-weight:600}
.menu{margin-left:auto;display:flex;align-items:center;gap:22px}
.menu a{color:var(--mute);text-decoration:none;font-size:13px}
.menu a:hover{color:var(--ink)}
.lang{border:1px solid var(--line2);background:transparent;color:var(--ink);padding:5px 10px;font-size:12px;cursor:pointer;border-radius:2px}
.lang:hover{border-color:var(--acc);color:var(--acc)}
.burger{display:none;background:none;border:0;padding:8px;cursor:pointer}
.burger span{display:block;width:20px;height:2px;background:var(--ink);margin:4px 0}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;background:var(--acc);color:var(--on-acc)!important;text-decoration:none;font-weight:700;font-size:14px;padding:11px 18px;border:1px solid var(--acc);border-radius:2px;transition:background .12s,color .12s}
.btn:hover{background:transparent;color:var(--acc)!important}
.btn-sm{padding:6px 12px;font-size:12px}
.btn-ghost{background:transparent;color:var(--ink)!important;border-color:var(--line2)}
.btn-ghost:hover{border-color:var(--acc);color:var(--acc)!important}
.btn-wa{}
.todo{outline:1px dashed var(--acc);outline-offset:4px}

/* labels */
.label{color:var(--mute);font-size:13px;margin:0 0 10px}
.p{color:var(--acc)}
.term .p{color:var(--acc-code)}
.eyebrow{color:var(--acc);font-size:12px;letter-spacing:.06em;margin:0 0 18px}

/* hero */
.hero{padding:88px 0 80px;border-bottom:1px solid var(--line)}
.hero-in{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
h1{font-size:clamp(32px,4.6vw,52px);line-height:1.25;margin:0 0 22px;font-weight:700;letter-spacing:-.01em}
.hl{color:var(--acc)}
.lead{font-size:17px;color:var(--text2);max-width:600px;margin:0 0 30px}
.cta{display:flex;flex-wrap:wrap;gap:12px}
.chips{list-style:none;padding:0;margin:30px 0 0;display:flex;flex-wrap:wrap;gap:6px 22px;color:var(--mute);font-size:12px}
.chips li::before{content:"// ";color:var(--dim)}
.term{border:1px solid var(--code-line);background:var(--code-bg);font-family:var(--mono);font-size:13px}
.term-bar{display:flex;justify-content:space-between;border-bottom:1px solid var(--code-line);padding:7px 14px;color:var(--code-dim);font-size:11px}
.term pre{margin:0;padding:18px 18px 20px;color:var(--code-ink);line-height:1.7;overflow:auto;font-family:var(--mono)}
.cur{background:var(--acc-code);color:var(--acc-code);animation:blink 1.1s steps(1) infinite}
@keyframes blink{50%{opacity:0}}

/* sections */
.sec{padding:96px 0;border-bottom:1px solid var(--line)}
h2{font-size:clamp(24px,3vw,32px);margin:0 0 10px;line-height:1.35;font-weight:700}
.sub{color:var(--mute);font-size:16px;margin:0 0 40px;max-width:720px}
.center .sub{margin-left:auto;margin-right:auto}

/* case studies */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line2);border-left:1px solid var(--line2)}
.case{border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);background:var(--panel);display:flex;flex-direction:column}
.case.feat{grid-column:1/-1;display:grid;grid-template-columns:1.1fr .9fr}
.case-main{padding:28px;display:flex;flex-direction:column;gap:12px;flex:1}
.case .hd{display:flex;gap:14px;align-items:baseline}
.idx{color:var(--acc);font-size:13px}
.case h3{margin:0;font-size:19px;line-height:1.35}
.kind{font-size:12px;color:var(--mute)}
.case p{margin:0;color:var(--text2)}
.case ul{margin:0;padding-left:18px;color:var(--text2);font-size:14.5px}
.case ul li{margin:2px 0}
.case ul li::marker{color:var(--acc);content:"– "}
.lbl{font-size:11px;color:var(--dim);letter-spacing:.08em;text-transform:uppercase;margin-top:6px}
.flow,.stk{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:12px}
.flow span,.stk span{border:1px solid var(--line2);padding:2px 8px;color:var(--text2);background:var(--bg);border-radius:2px}
.flow i{color:var(--acc);font-style:normal}
.disc{font-size:13px;color:var(--text2);border-left:2px solid var(--acc);padding:4px 12px}
.disc b{font-family:var(--mono);color:var(--acc);font-size:11px;margin-right:6px}
.ft{margin-top:auto;padding-top:8px;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px}
.lnk{font-family:var(--mono);font-size:13px;font-weight:600;text-decoration:none;border-bottom:1px solid var(--acc);color:var(--acc)}
.lnk:hover{color:var(--ink)}
.badge{font-size:11px;color:var(--mute);border:1px solid var(--line2);padding:1px 8px;border-radius:2px}
.badge.live{color:var(--acc);border-color:transparent;padding-left:0}
.log{margin:0;border-left:1px solid var(--line2);background:var(--code-bg);padding:28px 24px;font-family:var(--mono);font-size:12.5px;line-height:1.85;color:var(--code-ink);overflow:auto;white-space:pre}
.log .c{color:var(--code-dim)}
.log .cmd{color:#fff}
.log b{color:var(--acc-code);font-weight:600}

/* services */
.rows{border-top:1px solid var(--line2);counter-reset:r}
.row{display:grid;grid-template-columns:70px 300px 1fr;gap:20px;padding:24px 0;border-bottom:1px solid var(--line2);align-items:baseline;counter-increment:r}
.row::before{content:counter(r,decimal-leading-zero);font-family:var(--mono);color:var(--acc);font-size:13px}
.row h3{margin:0;font-size:17px}
.row p{margin:0;color:var(--text2)}

/* works */
.filters{display:flex;flex-wrap:wrap;gap:0;margin:0 0 24px;border:1px solid var(--line2);width:max-content;max-width:100%}
.f{border:0;border-right:1px solid var(--line2);background:transparent;color:var(--mute);padding:9px 14px;font-size:13px;cursor:pointer}
.f:last-child{border-right:0}
.f:hover{color:var(--ink)}
.f.on{background:var(--acc);color:var(--on-acc)}
.f .n{opacity:.6;font-size:11px;margin-left:6px}
.works{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line2);border-left:1px solid var(--line2)}
.work{border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);padding:22px;display:flex;flex-direction:column;gap:10px;background:var(--panel);transition:background .12s}
.work:hover{background:#fbfcfa}
.work.hide{display:none}
.work .top .kind{font-size:11px;color:var(--acc);margin-bottom:4px}
.work h3{margin:0;font-size:16px;line-height:1.4}
.work .body{flex:1}
.work .body p{margin:0;font-size:14.5px;color:var(--text2)}
.work .stk span{font-size:11px;color:var(--mute)}
.work .foot{display:flex;flex-wrap:wrap;gap:8px 14px;align-items:center;font-size:12px;padding:0;border:0;color:inherit}
.work .foot a{font-family:var(--mono);font-weight:600;text-decoration:none}
.note{font-size:13px;color:var(--dim);margin-top:20px}

/* stack */
.spec{border-top:1px solid var(--line2)}
.spec-row{display:grid;grid-template-columns:240px 1fr;gap:20px;padding:16px 0;border-bottom:1px solid var(--line2)}
.spec h3{margin:0;font-size:14px;color:var(--acc);font-weight:600}
.spec .tags{margin:0;font-family:var(--mono);font-size:13.5px;color:var(--text2)}

/* process */
.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line2);border-left:1px solid var(--line2)}
.steps li{border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);padding:24px;background:var(--panel)}
.steps b{font-family:var(--mono);color:var(--acc);font-size:13px;font-weight:600;display:block;margin-bottom:6px}
.steps b::before{content:"0"}
.steps h3{margin:0 0 6px;font-size:16px}
.steps p{margin:0;color:var(--text2);font-size:14.5px}

/* faq */
details{border-bottom:1px solid var(--line2);padding:16px 0}
details:first-of-type{border-top:1px solid var(--line2)}
summary{cursor:pointer;font-weight:600;font-size:15px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"[+]";color:var(--acc);font-size:13px}
details[open] summary::after{content:"[-]"}
details p{color:var(--text2);margin:10px 0 0}

/* contact */
.contact .label{text-align:center}
.small{font-size:13px;color:var(--mute);margin-top:22px;font-family:var(--mono)}
.th-link{font-weight:600;text-decoration:none;border-bottom:1px solid var(--acc)}
.foot{padding:24px 0;font-size:12px;color:var(--dim)}
.foot-in{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}.foot p{margin:0}

/* responsive */
@media (max-width:980px){
  .hero-in{grid-template-columns:1fr}
  .case-grid,.works,.steps{grid-template-columns:repeat(2,1fr)}
  .case.feat{grid-template-columns:1fr}.log{border-left:0;border-top:1px solid var(--line2)}
  .row{grid-template-columns:50px 1fr}.row p{grid-column:2}
}
@media (max-width:760px){
  .burger{display:block}
  .menu{display:none;position:absolute;top:60px;left:0;right:0;background:var(--bg);flex-direction:column;align-items:stretch;gap:0;border-bottom:1px solid var(--line);padding:6px 24px 16px}
  .menu.open{display:flex}.menu a{padding:12px 0;border-bottom:1px solid var(--line)}.menu a.btn{margin-top:12px;justify-content:center}
  .lang{margin-left:auto}
  .case-grid,.works,.steps{grid-template-columns:1fr}
  .spec-row{grid-template-columns:1fr;gap:4px}
  .sec{padding:64px 0}.hero{padding:56px 0}
  .term{font-size:12px}
  h1{font-size:27px}
  .filters{flex-wrap:nowrap;overflow-x:auto;width:auto}
  .f{white-space:nowrap}
  .log{font-size:11.5px;padding:20px;border-top:1px solid var(--line2)}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.cur{animation:none}}
/* pricing */
.plans{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line2);border-left:1px solid var(--line2)}
.plan{border-right:1px solid var(--line2);border-bottom:1px solid var(--line2);background:var(--panel);padding:26px;display:flex;flex-direction:column;gap:8px}
.plan.rec{box-shadow:inset 0 3px 0 var(--acc)}
.plan-hd{display:flex;align-items:baseline;gap:12px}
.plan h3,.maint h3,.addon-t{margin:0;font-size:17px}
.tag{margin-left:auto;font-family:var(--mono);font-size:11px;color:var(--on-acc);background:var(--acc);padding:2px 8px}
.price{font-family:var(--mono);font-size:30px;font-weight:700;margin:6px 0 0;letter-spacing:-.01em}
.price.sm{font-size:24px;margin-top:6px}
.price span{font-size:14px;color:var(--mute);font-weight:400}
.plan-d{margin:0;color:var(--text2);font-size:14.5px}
.plan ul,.maint ul,.pr-notes ul{list-style:none;padding:0;margin:8px 0 0;font-size:14px;color:var(--text2)}
.plan li,.maint li,.pr-notes li{padding:5px 0 5px 18px;position:relative;border-top:1px dashed var(--line)}
.plan li::before,.maint li::before{content:"+";position:absolute;left:0;color:var(--acc);font-family:var(--mono)}
.maint{display:grid;grid-template-columns:300px 1fr;gap:24px;border:1px solid var(--line2);border-top:0;background:var(--panel);padding:24px 26px}
.maint ul{display:grid;grid-template-columns:1fr 1fr;column-gap:24px;margin:0}
.addon-t{margin:44px 0 12px}
.addons .spec-row{grid-template-columns:1fr auto;padding:12px 0;align-items:baseline}
.addons span{color:var(--text2);font-size:15px}
.addons b{font-family:var(--mono);font-size:14px}
.addons b span{font-size:12px;color:var(--mute);font-weight:400}
.pr-notes{margin-top:30px;max-width:760px}
.pr-notes li::before{content:"*";position:absolute;left:2px;color:var(--mute);font-family:var(--mono)}
@media (max-width:980px){.plans{grid-template-columns:1fr}.maint{grid-template-columns:1fr}}
@media (max-width:760px){.maint ul{grid-template-columns:1fr}.addons .spec-row{grid-template-columns:1fr auto;gap:12px}}