/* ==========================================================================
   Lewis Bass International Engineering Services (Taiwan) - static site
   Brand: #2fb9de (primary) / #222d35 (ink)
   Reading container: 1400px
   ========================================================================== */

:root{
  --brand:#2fb9de;
  --brand-dark:#119bc0;
  --brand-soft:#e8f7fc;
  --ink:#222d35;
  --ink-2:#39444d;
  --body:#555c63;
  --muted:#7b838a;
  --line:#e2e7ea;
  --bg-soft:#f6f9fb;
  --white:#fff;

  --container:1400px;
  --prose:78ch;
  --radius:10px;
  --shadow-sm:0 1px 3px rgba(34,45,53,.08);
  --shadow:0 6px 24px rgba(34,45,53,.10);
  --shadow-lg:0 18px 48px rgba(34,45,53,.14);

  --header-h:84px;
}

*,*::before,*::after{box-sizing:border-box}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 16px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

body{
  margin:0;
  font-family:"Noto Sans TC","PingFang TC","Microsoft JhengHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--body);
  background:var(--white);
  overflow-x:hidden;
}

img{max-width:100%;height:auto;display:block}
a{color:var(--brand-dark);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--ink)}
a:focus-visible,button:focus-visible{outline:3px solid var(--brand);outline-offset:2px;border-radius:3px}

h1,h2,h3,h4,h5,h6{
  margin:0 0 .6em;color:var(--ink);font-weight:700;line-height:1.35;
  letter-spacing:.01em;
}
h1{font-size:clamp(1.9rem,1.3rem + 2.2vw,2.9rem);line-height:1.25}
h2{font-size:clamp(1.5rem,1.15rem + 1.5vw,2.15rem)}
h3{font-size:clamp(1.25rem,1.05rem + .8vw,1.6rem)}
h4{font-size:1.15rem}
h5{font-size:1.02rem}
p{margin:0 0 1.15em}
p:last-child{margin-bottom:0}
strong{color:var(--ink-2);font-weight:700}

ul,ol{margin:0 0 1.2em;padding-left:1.35em}
li{margin-bottom:.45em}
li:last-child{margin-bottom:0}

.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:24px}
.prose{max-width:var(--prose)}
.center{text-align:center}
.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

.skip-link{
  position:absolute;left:8px;top:-60px;z-index:200;
  background:var(--ink);color:#fff;padding:10px 18px;border-radius:0 0 6px 6px;
  transition:top .2s ease;
}
.skip-link:focus{top:0;color:#fff}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.5em;
  padding:14px 30px;border:2px solid transparent;border-radius:var(--radius);
  font-size:1rem;font-weight:700;line-height:1.2;text-align:center;
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn--primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn--primary:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff}
.btn--ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.65)}
.btn--ghost:hover{background:#fff;border-color:#fff;color:var(--ink)}
.btn--outline{background:transparent;color:var(--ink);border-color:var(--line)}
.btn--outline:hover{background:var(--ink);border-color:var(--ink);color:#fff}
.btn--lg{padding:17px 38px;font-size:1.06rem}
.btn .ico{width:1.1em;height:1.1em}

/* ---------- Top bar ---------- */
.topbar{background:var(--ink);color:rgba(255,255,255,.78);font-size:.88rem;line-height:1.6}
.topbar__inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:8px 28px;min-height:44px;padding-block:8px}
.topbar__list{display:flex;flex-wrap:wrap;gap:8px 26px;margin:0;padding:0;list-style:none}
.topbar__list li{margin:0;display:flex;align-items:center;gap:.45em}
.topbar a{color:rgba(255,255,255,.88)}
.topbar a:hover{color:var(--brand)}
.topbar__tag{color:var(--brand);font-weight:600}
.ico{width:1em;height:1em;flex:none;fill:currentColor;opacity:.85}

/* ---------- Header / main nav (constrained, never full-bleed) ---------- */
.site-header{position:sticky;top:0;z-index:100;background:#fff;box-shadow:var(--shadow-sm)}
.site-header__inner{
  position:relative;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  min-height:var(--header-h);
}
.brand{flex:none;display:block;max-width:250px}
.brand img{width:250px;height:auto}
.brand-h{margin:0;font-size:0;line-height:0}

.nav{display:flex;align-items:center;gap:6px}
.nav__list{display:flex;align-items:center;gap:2px;margin:0;padding:0;list-style:none}
.nav__list>li{position:relative;margin:0}
.nav__link{
  position:relative;
  display:flex;align-items:center;gap:.35em;
  padding:12px 15px;border-radius:6px;
  background:none;border:0;font-family:inherit;cursor:pointer;
  color:var(--ink);font-size:1rem;font-weight:600;white-space:nowrap;
}
.nav__link:hover,.nav__link[aria-expanded="true"]{background:var(--brand-soft);color:var(--brand-dark)}
.nav__link[aria-current="page"]{color:var(--brand-dark)}
.nav__link[aria-current="page"]::after{
  content:"";position:absolute;left:15px;right:15px;bottom:6px;height:2px;background:var(--brand);border-radius:2px;
}
.nav__caret{width:.62em;height:.62em;fill:currentColor;transition:transform .2s ease}
.nav__link[aria-expanded="true"] .nav__caret{transform:rotate(180deg)}

/* dropdown: sized to its content, never full-screen */
.nav__sub{
  position:absolute;top:calc(100% + 6px);left:0;z-index:110;
  min-width:220px;max-width:300px;
  margin:0;padding:8px;list-style:none;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);
  opacity:0;visibility:hidden;transform:translateY(-6px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s;
}
.nav__item--has-sub:hover .nav__sub,
.nav__item--has-sub:focus-within .nav__sub,
.nav__sub.is-open{opacity:1;visibility:visible;transform:translateY(0)}
.nav__sub li{margin:0}
.nav__sub a{
  display:flex;align-items:center;gap:.5em;
  padding:10px 14px;border-radius:6px;color:var(--ink-2);font-size:.96rem;font-weight:500;
}
.nav__sub a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.nav__sub a[aria-current="page"]{color:var(--brand-dark);font-weight:700}
.ext{width:.75em;height:.75em;fill:currentColor;opacity:.5;flex:none}

.header-cta{flex:none;display:flex;align-items:center;gap:14px}
.header-cta__phone{display:flex;flex-direction:column;line-height:1.3}
.header-cta__phone small{color:var(--muted);font-size:.8rem}
.header-cta__phone b{color:var(--ink);font-size:1.16rem;letter-spacing:.02em}

.nav-toggle{
  display:none;align-items:center;gap:.6em;
  padding:10px 14px;background:var(--ink);color:#fff;border:0;border-radius:var(--radius);
  font-size:.95rem;font-weight:600;font-family:inherit;cursor:pointer;
}
.nav-toggle__bars{display:block;width:18px;height:2px;background:#fff;position:relative;transition:background .2s ease}
.nav-toggle__bars::before,.nav-toggle__bars::after{content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;transition:transform .2s ease}
.nav-toggle__bars::before{top:-6px}
.nav-toggle__bars::after{top:6px}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars{background:transparent}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero (home) ---------- */
.hero{
  position:relative;color:#fff;
  background:#1b242b url("../img/hero-industrial.webp") center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(23,32,39,.93) 0%,rgba(23,32,39,.74) 52%,rgba(47,185,222,.32) 100%)}
.hero__inner{position:relative;padding-block:clamp(72px,9vw,132px);max-width:860px}
.hero__eyebrow{
  display:inline-block;margin-bottom:18px;padding:7px 16px;border-radius:999px;
  background:rgba(47,185,222,.20);border:1px solid rgba(47,185,222,.55);
  color:#bdeafb;font-size:.9rem;font-weight:600;letter-spacing:.06em;
}
.hero h1{color:#fff;margin-bottom:.45em}
.hero h1 strong{color:var(--brand);font-weight:800}
.hero__lead{font-size:clamp(1.02rem,.95rem + .4vw,1.2rem);color:rgba(255,255,255,.88);max-width:62ch;margin-bottom:2em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Page title bar (inner pages) ---------- */
.pagehead{
  position:relative;color:#fff;
  background:linear-gradient(115deg,var(--ink) 0%,#2c3a45 58%,var(--brand-dark) 145%);
}
.pagehead::after{
  content:"";position:absolute;inset:0;opacity:.14;
  background:url("../img/section-bg.webp") center/cover no-repeat;
}
.pagehead__inner{position:relative;z-index:1;padding-block:clamp(48px,6vw,84px)}
.pagehead h1{color:#fff;margin-bottom:.35em}
.pagehead__sub{color:rgba(255,255,255,.82);max-width:70ch;margin:0}

.breadcrumb{margin-bottom:14px;font-size:.9rem;color:rgba(255,255,255,.72)}
.breadcrumb ol{display:flex;flex-wrap:wrap;gap:.45em;margin:0;padding:0;list-style:none}
.breadcrumb li{margin:0;display:flex;align-items:center;gap:.45em}
.breadcrumb li+li::before{content:"/";opacity:.5}
.breadcrumb a{color:rgba(255,255,255,.9)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb [aria-current]{color:#fff;font-weight:600}

/* ---------- Sections ---------- */
.section{padding-block:clamp(56px,6.5vw,96px)}
.section--soft{background:var(--bg-soft)}
.section--ink{background:var(--ink);color:rgba(255,255,255,.82)}
.section--ink h2,.section--ink h3,.section--ink h4{color:#fff}

.section-head{max-width:76ch;margin-bottom:44px}
.section-head.center{margin-inline:auto}
.eyebrow{
  display:block;margin-bottom:12px;
  color:var(--brand-dark);font-size:.92rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
}
.section--ink .eyebrow{color:var(--brand)}
.section-head p{margin-bottom:0}

/* ---------- Grids & cards ---------- */
.grid{display:grid;gap:28px}
.grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}

.card{
  display:flex;flex-direction:column;
  padding:32px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.card:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#cfe9f3}
.card h3{margin-bottom:.5em}
.card p{color:var(--body)}
.card__num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;margin-bottom:18px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand-dark);font-size:1.05rem;font-weight:800;
}
.card__link{margin-top:auto;padding-top:18px;font-weight:700}

/* service split cards */
.service-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.service-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
/* 4/3 keeps the portrait source photos from being sliced into a letterbox strip. */
.service-card__media{aspect-ratio:4/3;overflow:hidden;background:var(--bg-soft)}
.service-card__media img{width:100%;height:100%;object-fit:cover;object-position:center 30%;transition:transform .4s ease}
.service-card:hover .service-card__media img{transform:scale(1.04)}
.service-card__body{display:flex;flex-direction:column;flex:1;padding:30px}
.service-card__body h3{margin-bottom:.5em}
.service-card__body .card__link{margin-top:auto}

/* ---------- Media + text split ---------- */
.split{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,4vw,64px);align-items:center}
.split--narrow-media{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}
.split__media img{width:100%;border-radius:var(--radius);box-shadow:var(--shadow)}
.split__media--plain img{box-shadow:none;border:1px solid var(--line);background:#fff}

/* ---------- Feature list ---------- */
.checklist{list-style:none;margin:0 0 1.4em;padding:0}
.checklist li{position:relative;margin-bottom:.7em;padding-left:2em}
.checklist li::before{
  content:"";position:absolute;left:0;top:.5em;
  width:1.15em;height:1.15em;border-radius:50%;
  background:var(--brand-soft) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23119bc0'%3E%3Cpath d='M6.2 11.6 2.8 8.2l1.1-1.1 2.3 2.3 5.9-5.9 1.1 1.1z'/%3E%3C/svg%3E") center/.8em no-repeat;
}
.section--ink .checklist li::before{background-color:rgba(47,185,222,.2)}

/* ---------- Stats ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;text-align:center}
.stat b{display:block;color:var(--brand);font-size:clamp(2rem,1.4rem + 2vw,2.8rem);font-weight:800;line-height:1.1}
.stat span{display:block;margin-top:6px;font-size:.98rem}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(115deg,var(--brand-dark) 0%,var(--brand) 100%);color:#fff;
}
.cta-band__inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding-block:clamp(44px,5vw,68px);
}
.cta-band h2{color:#fff;margin-bottom:.4em;max-width:26ch}
.cta-band p{color:rgba(255,255,255,.92);margin:0;max-width:52ch}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:14px;flex:none}

/* ---------- Doc layout (service pages) ---------- */
.doc{display:grid;grid-template-columns:300px minmax(0,1fr);gap:clamp(32px,4vw,64px);align-items:start}
.doc__aside{position:sticky;top:calc(var(--header-h) + 24px)}
.doc__body{max-width:var(--prose)}
.doc__body>section{scroll-margin-top:calc(var(--header-h) + 24px)}
.doc__body>section+section{margin-top:56px;padding-top:56px;border-top:1px solid var(--line)}
.doc__body h2{margin-bottom:.7em}
.doc__body h3{margin-top:1.8em}

.toc{padding:26px;background:var(--bg-soft);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:24px}
.toc h2{margin-bottom:.8em;font-size:1.05rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}
.toc ol{counter-reset:toc;list-style:none;margin:0;padding:0}
.toc li{margin-bottom:.15em}
.toc a{
  display:block;padding:9px 12px;border-radius:6px;
  color:var(--ink-2);font-size:.95rem;font-weight:500;line-height:1.5;
}
.toc a::before{counter-increment:toc;content:counter(toc,decimal-leading-zero) ". ";color:var(--brand-dark);font-weight:700}
.toc a:hover{background:#fff;color:var(--brand-dark)}

.download-box{padding:24px;background:var(--ink);border-radius:var(--radius);color:rgba(255,255,255,.8);text-align:center}
.download-box h2{color:#fff;font-size:1.02rem;margin-bottom:.7em}
.download-box .btn{width:100%}
.download-box small{display:block;margin-top:12px;font-size:.82rem;opacity:.65}

/* spec groups inside doc */
.spec{display:grid;gap:24px;grid-template-columns:repeat(2,minmax(0,1fr));margin-bottom:1.4em}
.spec__group{padding:24px;background:var(--bg-soft);border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0}
.spec__group h3{margin:0 0 .6em;font-size:1.06rem}
.spec__group ul{margin:0;padding-left:1.2em;font-size:.97rem}

.tests{display:grid;gap:20px;margin-bottom:1.4em}
.test-item{padding:22px 26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius)}
.test-item h3{margin:0 0 .35em;font-size:1.06rem;color:var(--brand-dark)}
.test-item p{margin:0;font-size:.97rem}

.note{
  margin:1.6em 0;padding:18px 22px;
  background:var(--brand-soft);border-left:3px solid var(--brand);border-radius:0 var(--radius) var(--radius) 0;
  font-size:.97rem;
}
.note p{margin:0}

.cols-2{columns:2;column-gap:32px}
.cols-2 li{break-inside:avoid}

/* ---------- Team ---------- */
.team-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
  transition:box-shadow .22s ease,transform .22s ease;
}
.team-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.team-card__media{aspect-ratio:3/4;overflow:hidden;background:var(--bg-soft)}
.team-card__media img{width:100%;height:100%;object-fit:cover}
.team-card__body{padding:26px}
.team-card__role{
  display:block;margin-bottom:6px;
  color:var(--brand-dark);font-size:.86rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.team-card__body h3{margin-bottom:.55em;font-size:1.28rem}
.team-card__body p{font-size:.95rem;line-height:1.75;margin:0}

/* ---------- Partners ---------- */
.partner{display:grid;grid-template-columns:260px minmax(0,1fr);gap:36px;align-items:start;padding-block:40px}
.partner+.partner{border-top:1px solid var(--line)}
.partner__logo{
  display:flex;align-items:center;justify-content:center;
  padding:26px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);min-height:130px;
}
.partner__logo img{max-height:80px;width:auto;object-fit:contain}
.partner__body h3{margin-bottom:.5em}
.partner__body p:last-child{margin-bottom:0}

.advisor{padding:34px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.advisor+.advisor{margin-top:28px}
.advisor__role{
  display:block;margin-bottom:8px;
  color:var(--brand-dark);font-size:.88rem;font-weight:700;letter-spacing:.06em;
}
.advisor h3{margin-bottom:.7em}

/* ---------- Timeline (history) ---------- */
.timeline{margin:0;padding:0;list-style:none}
.timeline>li{position:relative;margin:0;padding:0 0 56px 0}
.timeline>li:last-child{padding-bottom:0}
.tl-item{display:grid;grid-template-columns:220px minmax(0,1fr);gap:40px;align-items:start}
.tl-item__media{
  display:flex;align-items:center;justify-content:center;
  padding:22px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-sm);
}
.tl-item__media img{max-height:150px;width:auto;object-fit:contain}
.tl-item__era{
  display:inline-block;margin-bottom:10px;padding:5px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);font-size:.86rem;font-weight:700;letter-spacing:.04em;
}
.tl-item__body h3{margin-bottom:.55em}
.tl-item__body p:last-child{margin-bottom:0}

.video-embed{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:var(--radius);box-shadow:var(--shadow);background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* ---------- Contact strip ---------- */
.contact-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px}
.contact-item{display:flex;gap:16px;align-items:flex-start}
.contact-item__ico{
  flex:none;display:flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);
}
.contact-item__ico svg{width:20px;height:20px;fill:currentColor;opacity:1}
.contact-item b{display:block;margin-bottom:2px;color:var(--ink)}
.contact-item a{font-size:1.02rem}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:rgba(255,255,255,.66);font-size:.96rem}
.site-footer a{color:rgba(255,255,255,.78)}
.site-footer a:hover{color:var(--brand)}
.site-footer h2{color:#fff;font-size:1.05rem;margin-bottom:1em;letter-spacing:.04em}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:44px;padding-block:clamp(48px,5vw,72px)}
.footer__brand img{width:230px;margin-bottom:22px}
.footer__brand p{max-width:44ch;margin-bottom:0;font-size:.94rem;line-height:1.8}
.footer__list{list-style:none;margin:0;padding:0}
.footer__list li{margin-bottom:.6em}
.footer__bottom{
  display:flex;flex-wrap:wrap;gap:10px 28px;justify-content:space-between;
  padding-block:22px;border-top:1px solid rgba(255,255,255,.12);font-size:.88rem;
}
.footer__bottom p{margin:0}

/* ---------- Responsive ---------- */
@media (max-width:1180px){
  .nav__link{padding:12px 11px;font-size:.96rem}
  .brand{max-width:210px}
  .brand img{width:210px}
  .header-cta__phone{display:none}
  .doc{grid-template-columns:260px minmax(0,1fr)}
}

@media (max-width:1024px){
  .grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .contact-grid{grid-template-columns:1fr;gap:22px}
  .footer__grid{grid-template-columns:1fr 1fr;gap:36px}
  .footer__brand{grid-column:1 / -1}
  .doc{grid-template-columns:1fr;gap:36px}
  .doc__aside{position:static}
  .toc ol{columns:2;column-gap:24px}
  .toc li{break-inside:avoid}
  .partner{grid-template-columns:200px minmax(0,1fr);gap:28px}
  .tl-item{grid-template-columns:180px minmax(0,1fr);gap:28px}
}

@media (max-width:900px){
  :root{--header-h:72px}

  /* The top bar already carries a tappable phone number, so the header CTA
     would only fight the logo and the toggle for room. */
  .header-cta{display:none}

  /* mobile nav: a contained panel under the header, NOT a fullscreen overlay */
  .nav-toggle{display:inline-flex}
  .nav{
    position:absolute;top:calc(100% + 8px);right:0;z-index:120;
    width:min(340px,calc(100vw - 48px));max-height:min(74vh,560px);
    display:block;overflow-y:auto;overscroll-behavior:contain;
    padding:10px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow-lg);
    opacity:0;visibility:hidden;transform:translateY(-8px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s;
  }
  .nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav__list{flex-direction:column;align-items:stretch;gap:2px}
  .nav__list>li{width:100%}
  .nav__link{justify-content:space-between;padding:13px 16px;width:100%}
  .nav__link[aria-current="page"]::after{display:none}
  .nav__sub{
    position:static;opacity:1;visibility:visible;transform:none;
    max-width:none;min-width:0;margin:2px 0 6px;padding:4px 0 4px 14px;
    border:0;border-left:2px solid var(--brand-soft);border-radius:0;box-shadow:none;
    display:none;
  }
  .nav__item--has-sub:hover .nav__sub,
  .nav__item--has-sub:focus-within .nav__sub{display:none}
  .nav__sub.is-open,
  .nav__item--has-sub:hover .nav__sub.is-open,
  .nav__item--has-sub:focus-within .nav__sub.is-open{display:block}
}

@media (max-width:760px){
  body{font-size:16px}
  .container{padding-inline:18px}
  .nav{width:min(340px,calc(100vw - 36px))}
  .grid--2,.grid--3,.grid--4{grid-template-columns:1fr}
  .split,.split--narrow-media{grid-template-columns:1fr;gap:28px}
  .spec{grid-template-columns:1fr}
  .toc ol{columns:1}
  .cols-2{columns:1}
  .partner{grid-template-columns:1fr;gap:20px;padding-block:32px}
  .partner__logo{max-width:280px}
  .tl-item{grid-template-columns:1fr;gap:22px}
  .tl-item__media{max-width:240px}
  .cta-band__inner{flex-direction:column;align-items:flex-start}
  .footer__grid{grid-template-columns:1fr;gap:32px}
  .topbar__inner{justify-content:flex-start}
  .card,.service-card__body,.team-card__body,.advisor{padding:24px}
}

@media (max-width:480px){
  .stats{grid-template-columns:1fr}
  /* Full-width only for in-content actions - never the header/nav buttons. */
  .hero__actions,.cta-band__actions{width:100%}
  .hero__actions .btn,.cta-band__actions .btn,.split .btn,.download-box .btn{width:100%}
  .topbar{font-size:.82rem}
  .brand,.brand img{width:180px;max-width:180px}
  .nav-toggle{padding:10px 12px}
}

@media print{
  .topbar,.site-header,.cta-band,.site-footer,.toc,.skip-link,.download-box{display:none}
  body{font-size:12pt;color:#000}
  .doc{display:block}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:.85em;color:#555}
}