:root{
  --ink:#0F2230;
  --steel:#4E6475;
  --line:#D5DDE3;
  --paper:#F4F6F7;
  --white:#FFFFFF;
  --signal:#E9A800;
  --text:#14202B;
  --body:#33475A;
  --mute-dark:#B9C7D2;
  --rule-dark:#2C4A62;
  --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Archivo",system-ui,sans-serif;
  color:var(--text);background:var(--white);
  font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
img,svg{display:block;max-width:100%}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
:focus-visible{outline:3px solid var(--signal);outline-offset:3px}

/* ---------- Header ---------- */
.top{position:absolute;inset:0 0 auto 0;z-index:10}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:84px;gap:24px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--white)}
.brand-mark{width:38px;height:38px}
.brand-name{line-height:1}
.brand-name b{display:block;font-size:21px;font-weight:800;font-variation-settings:"wdth" 125;letter-spacing:.01em}
.brand-name span{display:block;font-size:10.5px;font-weight:500;letter-spacing:.32em;margin-top:4px;opacity:.75}
nav ul{display:flex;gap:28px;list-style:none;align-items:center}
nav a{color:#C9D5DE;text-decoration:none;font-size:15px;font-weight:500}
nav a:hover{color:var(--white)}
nav a[aria-current="page"]{color:var(--white)}
.lang{display:flex;gap:2px;border-left:1px solid var(--rule-dark);padding-left:20px}
.lang a{padding:6px 7px;font-size:14px;font-weight:600}
.lang a[aria-current="true"]{color:var(--white);box-shadow:inset 0 -2px 0 var(--signal)}
nav .nav-cta{color:var(--ink);background:var(--signal);padding:10px 18px;border-radius:3px;font-weight:600}
nav .nav-cta:hover{color:var(--ink);background:#F5B91F}

/* ---------- Dark bands ---------- */
.hero,.page-hero{background:var(--ink);color:var(--white)}
.hero{padding:150px 0 96px;overflow:hidden}
.hero .wrap{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.hero h1{
  font-size:clamp(38px,4.9vw,64px);line-height:1.04;font-weight:800;
  font-variation-settings:"wdth" 116;letter-spacing:-.015em;
}
.impact{margin-top:22px;font-size:19px;font-weight:600;color:var(--signal);line-height:1.4}
.hero p.lead{font-size:18px;color:var(--mute-dark);margin:18px 0 36px;max-width:34em}
.page-hero{padding:150px 0 72px}
.page-hero h1{font-size:clamp(34px,4.4vw,56px);line-height:1.06;font-weight:800;font-variation-settings:"wdth" 112;letter-spacing:-.01em;max-width:18em}
.page-hero p{color:var(--mute-dark);font-size:19px;margin-top:20px;max-width:40em}
.crumb{display:inline-block;margin-bottom:22px;color:var(--mute-dark);font-size:15px;text-decoration:none}
.crumb:hover{color:var(--white)}

.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;text-decoration:none;font-weight:600;font-size:16px;padding:14px 24px;border-radius:3px;border:1.5px solid transparent;line-height:1.3}
.btn-main{background:var(--signal);color:var(--ink)}
.btn-main:hover{background:#F5B91F}
.btn-ghost{border-color:#41607A;color:var(--white)}
.btn-ghost:hover{border-color:#8AA3B6}
.btn-line{border-color:var(--ink);color:var(--ink)}
.btn-line:hover{background:var(--ink);color:var(--white)}

/* ---------- Charts (shared) ---------- */
.chart{width:100%;height:auto}
.chart text{font-family:"Archivo",sans-serif;font-size:13px}
.on-dark text{fill:var(--mute-dark)}
.on-dark .axis{stroke:#5F7A8E;stroke-width:1.5;fill:none}
.on-dark .grid{stroke:#1F3D55;stroke-width:1}
.on-light text{fill:var(--steel)}
.on-light .axis{stroke:#8A9CAB;stroke-width:1.5;fill:none}
.on-light .grid{stroke:#DCE3E8;stroke-width:1;fill:none}
.c-total{stroke:var(--signal);stroke-width:4;fill:none;stroke-linecap:round}
.c-prev{stroke:#79A6C8;stroke-width:2.5;fill:none;stroke-linecap:round}
.c-fail{stroke:#E3EAF0;stroke-width:2.5;fill:none;stroke-linecap:round}
.guide{stroke:#7F98AB;stroke-width:1.2;stroke-dasharray:4 5;fill:none}
.on-dark .lbl-strong{fill:var(--white);font-weight:700;font-size:14px}
.on-dark .lbl-signal{fill:var(--signal);font-weight:700;font-size:15px}
.on-dark .lbl-blue{fill:#9CC0DB}
.on-dark .lbl-pale{fill:#E3EAF0}
.on-light .lbl-strong{fill:var(--ink);font-weight:700;font-size:14px}
.dot-opt{fill:var(--ink);stroke:var(--signal);stroke-width:3.5}

/* draw / fade, only when JS is running */
.js .anim .draw{stroke-dasharray:1;stroke-dashoffset:1}
.js .anim.in .draw{stroke-dashoffset:0;transition:stroke-dashoffset 1.5s cubic-bezier(.5,0,.3,1) var(--d,0s)}
.js .anim .fade{opacity:0}
.js .anim.in .fade{opacity:1;transition:opacity .6s ease var(--d,0s)}
.js .anim .grow{transform:scale(.2);opacity:0;transform-box:fill-box;transform-origin:center}
.js .anim.in .grow{transform:scale(1);opacity:1;transition:transform .5s cubic-bezier(.3,1.4,.5,1) var(--d,0s),opacity .3s ease var(--d,0s)}
@media (prefers-reduced-motion:reduce){
  .js .anim .draw,.js .anim.in .draw{stroke-dashoffset:0;transition:none}
  .js .anim .fade,.js .anim .grow{opacity:1;transform:none;transition:none}
}

/* ---------- Sections ---------- */
section{padding:104px 0}
.sec-head{display:grid;grid-template-columns:1fr 1.4fr;gap:56px;margin-bottom:56px;align-items:end}
h2{font-size:clamp(30px,3.6vw,46px);line-height:1.08;font-weight:800;font-variation-settings:"wdth" 112;letter-spacing:-.01em;color:var(--ink)}
.sec-head p{color:var(--steel);font-size:18px;max-width:36em}

/* Home: categories overview */
.cat-main{display:grid;grid-template-columns:1fr 1.6fr;gap:56px;border-top:2px solid var(--ink);padding:36px 0 44px}
.cat-main h3,.cat h3{font-size:24px;line-height:1.2;font-weight:800;font-variation-settings:"wdth" 110;color:var(--ink)}
.cat-main p{color:var(--body);margin-top:14px}
.chain-mini{list-style:none;columns:2;column-gap:40px;counter-reset:m}
.chain-mini li{counter-increment:m;break-inside:avoid;display:flex;gap:12px;padding:7px 0;border-bottom:1px solid var(--line);font-size:16px;color:var(--ink)}
.chain-mini li::before{content:counter(m);min-width:22px;font-weight:700;color:var(--signal);font-variant-numeric:tabular-nums}
.cats{display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line)}
.cat{padding:32px 32px 8px 0}
.cat + .cat{padding-left:32px;border-left:1px solid var(--line)}
.cat h3{font-size:21px}
.cat p{color:var(--body);margin-top:10px;font-size:16px}
.more{margin-top:44px}

/* Home: why / P-F */
.why{background:var(--paper)}
.why .wrap{display:grid;grid-template-columns:1fr 1fr;gap:72px;align-items:start}
.why p{color:var(--body);margin-bottom:18px;max-width:34em}
.why .big{font-size:clamp(21px,2.3vw,27px);line-height:1.35;color:var(--ink);font-weight:500;max-width:none}
.why figure{margin-top:36px}
.why figcaption{font-size:14px;color:var(--steel);margin-top:10px}
.pf .curve{stroke:var(--ink);stroke-width:3;fill:none;stroke-linecap:round}
.pf .band{fill:var(--signal);fill-opacity:.16}
.pf .dot{fill:var(--white);stroke:var(--ink);stroke-width:3}

/* Method */
.steps{display:grid;grid-template-columns:repeat(4,1fr);counter-reset:s;border-top:2px solid var(--ink)}
.step{padding:28px 28px 8px 0}
.step + .step{padding-left:28px;border-left:1px solid var(--line)}
.step::before{counter-increment:s;content:counter(s);display:block;font-size:44px;font-weight:800;font-variation-settings:"wdth" 125;color:var(--signal);line-height:1;margin-bottom:18px}
.step h3{font-size:19px;font-weight:700;color:var(--ink);margin-bottom:8px}
.step p{color:var(--body);font-size:16px}

/* Sectors */
.sectors{background:var(--ink);color:var(--white)}
.sectors h2{color:var(--white)}
.sectors .sec-head p{color:var(--mute-dark)}
.sector-list{list-style:none;display:grid;grid-template-columns:repeat(5,1fr);border-top:1px solid var(--rule-dark)}
.sector-list li{padding:26px 22px 26px 0;border-right:1px solid var(--rule-dark)}
.sector-list li + li{padding-left:22px}
.sector-list li:last-child{border-right:0}
.sector-list b{display:block;font-size:19px;font-weight:700;margin-bottom:6px}
.sector-list span{color:#9DB0BF;font-size:15px;line-height:1.5;display:block}

/* Contact */
.contact .wrap{display:grid;grid-template-columns:1.1fr 1fr;gap:72px}
.contact p{color:var(--body);max-width:32em;margin-top:20px}
.contact-card{border:1.5px solid var(--ink);padding:36px}
.contact-card dl{display:grid;grid-template-columns:auto 1fr;gap:16px 28px;margin-bottom:30px}
.contact-card dt{color:var(--steel);font-size:15px}
.contact-card dd{font-weight:600;color:var(--ink)}
.contact-card dd a{text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:4px}

/* ---------- Services page: process chain ---------- */
.chain{list-style:none;position:relative;--p:0}
.chain::before,.chain::after{content:"";position:absolute;left:27px;top:28px;width:2px;background:var(--line)}
.chain::before{bottom:28px}
.chain::after{background:var(--signal);height:calc(var(--p) * (100% - 56px))}
.chain > li{position:relative;display:grid;grid-template-columns:56px 1fr;gap:28px;padding:10px 0}
.num{position:relative;z-index:1;width:56px;height:56px;border-radius:50%;border:2px solid var(--line);background:var(--white);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:18px;color:var(--steel);font-variant-numeric:tabular-nums;transition:border-color .3s,background .3s,color .3s}
.chain > li.lit .num{border-color:var(--signal);background:var(--signal);color:var(--ink)}
.chain details{border-bottom:1px solid var(--line);padding:6px 0 18px}
.chain summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:20px;align-items:start;padding-top:8px}
.chain summary::-webkit-details-marker{display:none}
.chain summary h3{font-size:21px;line-height:1.3;font-weight:700;font-variation-settings:"wdth" 106;color:var(--ink)}
.chain summary .en-term{font-weight:500;color:var(--steel);font-size:15px;margin-left:8px}
.chain summary p{color:var(--body);font-size:16px;margin-top:4px;max-width:46em}
.toggle{width:30px;height:30px;border:1.5px solid var(--ink);border-radius:50%;position:relative;margin-top:4px;flex:none}
.toggle::before,.toggle::after{content:"";position:absolute;left:50%;top:50%;width:12px;height:1.5px;background:var(--ink);transform:translate(-50%,-50%)}
.toggle::after{transform:translate(-50%,-50%) rotate(90deg);transition:transform .25s}
details[open] .toggle::after{transform:translate(-50%,-50%) rotate(0)}
.chain summary:hover .toggle{background:var(--paper)}
.detail{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:20px 0 6px}
.detail h4,.block h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px}
.detail p{color:var(--body);font-size:16px}
.deliv{list-style:none}
.deliv li{position:relative;padding-left:20px;color:var(--body);font-size:16px;margin-bottom:6px}
.deliv li::before{content:"";position:absolute;left:0;top:.62em;width:8px;height:8px;background:var(--signal)}
.detail-link{grid-column:1 / -1;font-weight:600;color:var(--ink);text-decoration-color:var(--signal);text-decoration-thickness:2px;text-underline-offset:5px;width:max-content}

.cat-section{border-top:2px solid var(--ink);padding:44px 0 56px;display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center}
.cat-section + .cat-section{border-top-width:1px;border-color:var(--line)}
.cat-section h2{font-size:clamp(26px,3vw,36px)}
.cat-section > div > p{color:var(--body);margin:14px 0 22px;max-width:36em}
.block{display:grid;grid-template-columns:1fr 1fr;gap:32px}
.block p{color:var(--body);font-size:16px}
.illus{background:var(--paper);padding:28px}

/* ---------- Detail pages ---------- */
.prose{display:grid;grid-template-columns:1fr 1.5fr;gap:56px;padding:0 0 64px}
.prose p{color:var(--body);margin-bottom:16px;max-width:38em}
.approach{list-style:none;counter-reset:a}
.approach li{counter-increment:a;display:grid;grid-template-columns:44px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line);color:var(--body)}
.approach li:first-child{border-top:2px solid var(--ink)}
.approach li::before{content:counter(a);font-weight:800;font-size:22px;color:var(--signal);line-height:1.3;font-variation-settings:"wdth" 120}
.approach b{color:var(--ink)}
.figure-band{background:var(--paper);padding:64px 0}
.figure-band figure{max-width:900px;margin:0 auto}
.figure-band figcaption{margin-top:14px;font-size:14px;color:var(--steel);text-align:center}
.cta-band{background:var(--ink);color:var(--white);padding:64px 0}
.cta-band .wrap{display:flex;justify-content:space-between;align-items:center;gap:32px;flex-wrap:wrap}
.cta-band h2{color:var(--white);font-size:clamp(24px,2.8vw,34px)}
.cta-band p{color:var(--mute-dark);margin-top:8px}

footer{border-top:1px solid var(--line);padding:30px 0;font-size:14px;color:var(--steel)}
footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}

/* ---------- Responsive ---------- */
@media (max-width:1060px){
  nav li.hide-m{display:none}
}
@media (max-width:980px){
  .hero .wrap,.sec-head,.why .wrap,.contact .wrap,.cat-main,.cat-section,.prose{grid-template-columns:1fr;gap:36px}
  .cats{grid-template-columns:1fr}
  .cat,.cat + .cat{padding:28px 0 8px;border-left:0;border-bottom:1px solid var(--line)}
  .steps{grid-template-columns:1fr 1fr}
  .step:nth-child(3){padding-left:0;border-left:0}
  .sector-list{grid-template-columns:1fr 1fr}
  .sector-list li,.sector-list li + li{padding:22px 16px 22px 0;border-right:0;border-bottom:1px solid var(--rule-dark)}
  .detail,.block{grid-template-columns:1fr;gap:20px}
}
@media (max-width:640px){
  body{font-size:16px}
  .wrap{padding:0 16px}
  section{padding:72px 0}
  .hero{padding:118px 0 64px}
  .page-hero{padding:118px 0 56px}
  .top .wrap{height:72px}
  .brand-name span{display:none}
  .lang{padding-left:12px}
  nav ul{gap:12px}
  nav .nav-cta{padding:8px 12px;font-size:14px}
  .chain-mini{columns:1}
  .steps,.sector-list{grid-template-columns:1fr}
  .step,.step + .step{padding:24px 0 8px;border-left:0}
  .contact-card{padding:24px}
  .contact-card dl{grid-template-columns:1fr;gap:4px}
  .contact-card dd{margin-bottom:12px}
  .chain::before,.chain::after{left:19px;top:20px}
  .chain::after{height:calc(var(--p) * (100% - 40px))}
  .chain > li{grid-template-columns:40px 1fr;gap:14px}
  .num{width:40px;height:40px;font-size:15px}
  .chain summary h3{font-size:18px}
  .chain summary .en-term{display:block;margin:2px 0 0}
  .illus{padding:16px}
}