/* ============================================================
   Nanjing Union Chemical Industry — Design Tokens
   ============================================================ */
:root{
  --bg:            #FFFFFF;
  --bg-alt:        #F4F8FB;
  --ink:           #0B0F14;
  --steel:         #57626C;
  --steel-light:   #8A949C;
  --accent:        #2696DB;
  --accent-dark:   #157AB8;
  --accent-light:  #E3F3FC;
  --navy:          #0A2036;
  --navy-2:        #0F2C48;
  --line:          #E1E7EB;
  --radius:        2px;

  --font-display: 'Space Grotesk', sans-serif;
  --font-body:    'IBM Plex Sans', sans-serif;
  --font-mono:    'IBM Plex Mono', monospace;
}

*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:var(--font-body);
  color:var(--ink);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
ul{list-style:none;}
button{font-family:inherit;cursor:pointer;}

.container{
  max-width:1180px;
  margin:0 auto;
  padding:0 32px;
}

@media (max-width:640px){
  .container{padding:0 20px;}
}

/* ---------- Utility type ---------- */
.eyebrow{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--accent-dark);
}
.eyebrow::before{
  content:"// ";
  color:var(--steel-light);
}

h1,h2,h3,h4{
  font-family:var(--font-display);
  font-weight:600;
  line-height:1.12;
  letter-spacing:-.01em;
}
h1{font-size:clamp(36px,5vw,60px);}
h2{font-size:clamp(28px,3.4vw,40px);}
h3{font-size:20px;}
p{color:var(--steel);}
.lede{font-size:19px;color:var(--steel);max-width:60ch;}

/* ============================================================
   Header
   ============================================================ */
.topbar{
  background:var(--navy);
  color:#B9C7D3;
  font-family:var(--font-mono);
  font-size:12px;
}
.topbar .container{
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:36px;
  flex-wrap:wrap;
  gap:6px 20px;
}
.topbar a{color:#B9C7D3;}
.topbar a:hover{color:#fff;}
.topbar-links{display:flex;gap:20px;}

header.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--bg-alt);
  border-bottom:1px solid var(--line);
}
.nav{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  padding:14px 0 0;
}
.brand{display:flex;align-items:flex-end;gap:20px;}
.brand-logo-chip{
  background:var(--bg-alt);border-radius:8px;
  padding:10px 12px;line-height:0;
}
.brand img{height:67px;width:auto;object-fit:contain;display:block;}
.brand-text{font-family:var(--font-display);font-weight:600;font-size:26px;line-height:1.15;padding-bottom:10px;color:var(--ink);}
.brand-text span{display:block;font-family:var(--font-mono);font-weight:400;font-size:14px;letter-spacing:.08em;color:var(--steel-light);text-transform:uppercase;margin-top:4px;}

.nav-links{display:flex;gap:36px;font-size:17px;font-weight:500;padding-bottom:16px;}
.nav-links a{position:relative;padding:6px 0;color:var(--ink);}
.nav-links a.active,.nav-links a:hover{color:var(--accent-dark);}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--accent);
}
.nav-cta{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--ink);color:#fff;
  padding:11px 20px;font-size:13.5px;font-weight:600;
  border-radius:var(--radius);
}
.nav-cta:hover{background:var(--accent-dark);}

.nav-toggle{display:none;background:none;border:0;margin-bottom:16px;}

.lang-switch{display:flex;gap:6px;margin-left:24px;padding-bottom:16px;flex:none;}
.lang-switch a, .lang-switch span{
  display:inline-block;padding:5px 12px;font-size:12.5px;font-weight:700;
  border-radius:3px;letter-spacing:.02em;
}
.lang-switch span.active{background:var(--accent-dark);color:#fff;}
.lang-switch a{border:1.5px solid var(--accent-dark);color:var(--accent-dark);}
.lang-switch a:hover{background:var(--accent-light);}
@media (max-width:900px){.lang-switch{display:none;}}
@media (max-width:900px){
  .nav-links,.nav-cta{display:none;}
  .nav-toggle{display:block;}
}

/* ============================================================
   Buttons
   ============================================================ */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 26px;
  font-size:14.5px;font-weight:600;
  border-radius:var(--radius);
  border:1px solid transparent;
  transition:transform .15s ease;
}
.btn-primary{background:var(--accent);color:#fff;}
.btn-primary:hover{background:var(--accent-dark);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--navy-2);}
.btn-ghost{border-color:rgba(255,255,255,.35);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);}
.btn-outline{border-color:var(--line);color:var(--ink);}
.btn-outline:hover{border-color:var(--accent);color:var(--accent-dark);}
.btn-arrow{transition:transform .15s ease;}
.btn:hover .btn-arrow{transform:translateX(3px);}

/* ============================================================
   Hero (molecular lattice signature)
   ============================================================ */
.hero{
  position:relative;
  background:var(--navy);
  color:#fff;
  overflow:hidden;
  padding:0;
}
.hero-lattice{
  position:absolute;inset:0;
  opacity:.4;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:40px;
  align-items:center;
  padding:88px 0 84px;
}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;padding:56px 0 48px;}
}
.hero h1{margin:18px 0 22px;}
.hero .lede{color:#C4D1DB;margin-bottom:34px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;}
.hero-photo{
  position:relative;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.15);
}
.hero-photo img{width:100%;height:100%;object-fit:cover;aspect-ratio:835/335;}
.hero-photo::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(10,32,54,0) 40%,rgba(10,32,54,.55) 100%);
}
.hero-tag{
  position:absolute;left:16px;bottom:14px;z-index:2;
  font-family:var(--font-mono);font-size:11.5px;letter-spacing:.06em;
  color:#fff;background:rgba(10,32,54,.55);
  padding:6px 10px;border:1px solid rgba(255,255,255,.25);
}

/* Simplified home-page hero: image only, centered on navy */
.hero-photo-solo{
  position:relative;z-index:1;
  max-width:450px;margin:0 0 0 auto;
  padding:70px 0 50px;
}
.hero-photo-solo img{
  width:100%;border-radius:var(--radius);
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 30px 80px rgba(0,0,0,.35);
}
@media (max-width:640px){
  .hero-photo-solo{padding:48px 0 32px;max-width:70%;margin:0 auto;}
}

.footer-minimal{background:var(--ink);padding:26px 0;}
.footer-bottom-solo{
  text-align:center;font-size:12.5px;color:#6C777D;
}

.hero-stats{
  display:flex;gap:0;
  border-top:1px solid rgba(255,255,255,.15);
  position:relative;
}
.hero-stats .stat{
  flex:1;padding:22px 0;
  border-right:1px solid rgba(255,255,255,.15);
}
.hero-stats .stat:last-child{border-right:0;}
.stat b{display:block;font-family:var(--font-display);font-size:26px;}
.stat span{font-family:var(--font-mono);font-size:11px;letter-spacing:.06em;color:#9FB0BE;text-transform:uppercase;}

/* ============================================================
   Section framework
   ============================================================ */
section{padding:88px 0;}
@media (max-width:640px){section{padding:56px 0;}}
.section-head{max-width:640px;margin-bottom:48px;}
.section-head h2{margin-top:12px;}
.alt{background:var(--bg-alt);}
.divider-line{height:1px;background:var(--line);}

/* Bond divider — signature motif used as a section rule */
.bond-rule{
  display:flex;align-items:center;gap:10px;
  margin:0 0 48px;
}
.bond-rule .node{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:none;}
.bond-rule .bond{height:1px;background:var(--line);flex:1;}

/* ============================================================
   Cards — product categories
   ============================================================ */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line);}
@media (max-width:900px){.grid-3{grid-template-columns:1fr;}}
.card{
  background:#fff;padding:36px 30px;
  transition:background .15s ease;
}
.card:hover{background:var(--accent-light);}
.card .idx{font-family:var(--font-mono);font-size:12px;color:var(--accent-dark);}
.card h3{margin:14px 0 10px;}
.card p{font-size:14.5px;margin-bottom:18px;}
.card-link{
  font-family:var(--font-mono);font-size:12.5px;font-weight:500;
  display:inline-flex;align-items:center;gap:6px;color:var(--ink);
}
.card:hover .card-link{color:var(--accent-dark);}

/* ============================================================
   Capability rows (About-teaser / Why us)
   ============================================================ */
.capabilities{display:grid;grid-template-columns:.9fr 1.1fr;gap:64px;align-items:start;}
@media (max-width:900px){.capabilities{grid-template-columns:1fr;gap:36px;}}
.cap-list{border-top:1px solid var(--line);}
.cap-row{
  display:grid;grid-template-columns:64px 1fr;
  gap:20px;padding:26px 0;border-bottom:1px solid var(--line);
}
.cap-row .num{font-family:var(--font-mono);color:var(--accent-dark);font-size:13px;padding-top:3px;}
.cap-row h3{margin-bottom:6px;}
.cap-row p{font-size:14.5px;}

/* ============================================================
   CTA banner
   ============================================================ */
.cta-banner{
  background:var(--navy);color:#fff;
  padding:64px 0;position:relative;overflow:hidden;
}
.cta-inner{
  display:flex;justify-content:space-between;align-items:center;gap:30px;flex-wrap:wrap;position:relative;z-index:1;
}
.cta-inner h2{margin-bottom:6px;}
.cta-inner p{color:#B9C7D3;}

/* ============================================================
   Footer
   ============================================================ */
footer{background:var(--ink);color:#9AA5AC;padding:64px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid #232B31;
}
@media (max-width:800px){.footer-grid{grid-template-columns:1fr 1fr;}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand img{height:32px;width:32px;filter:brightness(0) invert(1);opacity:.9;}
.footer-brand b{color:#fff;font-family:var(--font-display);font-size:15px;}
.footer-col h4{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:#6C777D;margin-bottom:16px;font-weight:500;}
.footer-col li{margin-bottom:11px;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;justify-content:space-between;padding-top:24px;
  font-size:12.5px;color:#6C777D;flex-wrap:wrap;gap:10px;
}

/* ============================================================
   Page hero (inner pages)
   ============================================================ */
.page-hero{
  background:var(--navy);color:#fff;
  padding:64px 0 52px;position:relative;overflow:hidden;
}
.page-hero .eyebrow{color:#7FC4EE;}
.page-hero h1{margin-top:12px;font-size:clamp(30px,4vw,46px);}
.page-hero p{color:#B9C7D3;max-width:60ch;margin-top:14px;}
.breadcrumb{font-family:var(--font-mono);font-size:12px;color:#8CA0B0;margin-bottom:10px;}
.breadcrumb a:hover{color:#fff;}

/* ============================================================
   Product listing / spec table
   ============================================================ */
.filter-bar{
  display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px;
}
.chip{
  font-family:var(--font-mono);font-size:12.5px;
  padding:9px 16px;border:1px solid var(--line);border-radius:20px;
  color:var(--steel);
}
.chip.active{background:var(--ink);color:#fff;border-color:var(--ink);}

.product-table{width:100%;border-collapse:collapse;font-size:14.5px;}
.product-table thead th{
  text-align:left;font-family:var(--font-mono);font-size:11.5px;
  letter-spacing:.06em;text-transform:uppercase;color:var(--steel-light);
  padding:0 14px 14px;border-bottom:1px solid var(--ink);font-weight:500;
}
.product-table td{padding:20px 14px;border-bottom:1px solid var(--line);vertical-align:top;}
.product-table tr:hover td{background:var(--bg-alt);}
.prod-name{font-weight:600;}
.prod-cas{font-family:var(--font-mono);font-size:13px;color:var(--steel);}
.pdf-link{
  display:inline-flex;align-items:center;gap:7px;
  font-family:var(--font-mono);font-size:12.5px;font-weight:500;
  color:var(--accent-dark);white-space:nowrap;
}
.pdf-link:hover{text-decoration:underline;}
@media (max-width:800px){
  .product-table thead{display:none;}
  .product-table, .product-table tbody, .product-table tr, .product-table td{display:block;width:100%;}
  .product-table tr{border-bottom:1px solid var(--line);padding:18px 0;}
  .product-table td{border:0;padding:4px 0;}
}

/* Product detail pages — image + text + PDF download button */
.detail-grid{
  display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:start;
}
@media (max-width:800px){.detail-grid{grid-template-columns:1fr;}}
.detail-grid img{width:100%;height:auto;object-fit:cover;border-radius:var(--radius);display:block;}
.detail-grid p{margin-bottom:16px;}
.detail-grid ul{margin:4px 0 8px;}
.detail-grid li{
  position:relative;padding:6px 0 6px 20px;font-size:15px;color:var(--steel);
}
.detail-grid li::before{
  content:"";position:absolute;left:0;top:15px;
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.pdf-btn{
  display:inline-flex;align-items:center;gap:10px;
  margin-top:20px;padding:14px 22px;
  border:1.5px solid var(--accent);border-radius:4px;
  color:var(--accent-dark);font-weight:600;font-size:14px;
  letter-spacing:.02em;text-transform:uppercase;
}
.pdf-btn:hover{background:var(--accent-light);}
.pdf-btn svg{flex:none;}

.pdf-subhead{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--steel-light);
  padding-bottom:10px;border-bottom:1px solid var(--line);margin:28px 0 16px;
}
.pdf-subhead:first-of-type{margin-top:8px;}
.pdf-btn-group{display:flex;flex-wrap:wrap;gap:14px;}
.pdf-btn-small{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 18px;
  border:1.5px solid var(--accent);border-radius:4px;
  color:var(--accent-dark);font-weight:600;font-size:13.5px;
}
.pdf-btn-small:hover{background:var(--accent-light);}
.pdf-btn-small svg{flex:none;}

.spec-label{
  font-family:var(--font-mono);font-size:12px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--accent-dark);
  margin:24px 0 8px;
}
.spec-label:first-of-type{margin-top:0;}
.app-gallery{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
@media (max-width:900px){.app-gallery{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.app-gallery{grid-template-columns:1fr;}}
.app-gallery a{display:block;border:1px solid var(--line);}
.app-gallery .img-wrap{aspect-ratio:1/1;overflow:hidden;}
.app-gallery .img-wrap img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.app-gallery a:hover .img-wrap img{transform:scale(1.05);}
.app-gallery .cap-bar{
  background:var(--accent);color:#fff;
  padding:14px 16px;text-align:center;
  font-family:var(--font-display);font-weight:600;font-size:14px;
  letter-spacing:.01em;
}
.app-gallery a:hover .cap-bar{background:var(--accent-dark);}

/* Products page — 4-up category cards with View buttons */
.cat-cards{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
@media (max-width:900px){.cat-cards{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.cat-cards{grid-template-columns:1fr;}}
.cat-card{
  background:#fff;border:1px solid var(--line);
  padding:40px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;justify-content:space-between;
  min-height:190px;
}
.cat-card h3{font-size:16px;margin-bottom:20px;}
.cat-card-btn{padding:11px 22px;font-size:13px;pointer-events:none;}
.cat-card-btn-slim{padding:3px 8px;font-size:10px;}

.cat-card-slim{padding:14px 16px;min-height:0;gap:8px;}
.cat-card-slim h3{font-size:14px;margin-bottom:0;line-height:1.3;}

/* About page — product-category image gallery */
.about-gallery{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
@media (max-width:800px){.about-gallery{grid-template-columns:1fr;}}
.about-gallery a{display:block;}
.about-gallery .img-wrap{
  position:relative;overflow:hidden;border-radius:var(--radius);
}
.about-gallery .img-wrap img{
  width:100%;height:auto;display:block;
  transition:transform .35s ease;
}
.about-gallery a:hover .img-wrap img{transform:scale(1.05);}
.about-gallery .img-wrap::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0) 55%,rgba(10,32,54,.72) 100%);
}
.about-gallery .cap{
  position:absolute;left:16px;bottom:14px;right:16px;z-index:1;
  color:#fff;font-family:var(--font-display);font-weight:600;font-size:16px;
}
.about-gallery .cap span{
  display:block;font-family:var(--font-mono);font-weight:400;font-size:11px;
  letter-spacing:.06em;text-transform:uppercase;color:#9FC8EE;margin-top:4px;
}
.timeline{border-left:1px solid var(--line);padding-left:30px;margin-left:6px;}
.timeline-item{position:relative;padding-bottom:40px;}
.timeline-item:last-child{padding-bottom:0;}
.timeline-item::before{
  content:"";position:absolute;left:-35px;top:4px;
  width:9px;height:9px;border-radius:50%;background:var(--accent);border:2px solid #fff;box-shadow:0 0 0 1px var(--accent);
}
.timeline-item .yr{font-family:var(--font-mono);color:var(--accent-dark);font-size:13px;}
.timeline-item h3{margin:6px 0 8px;}

.values-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
@media (max-width:900px){.values-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:520px){.values-grid{grid-template-columns:1fr;}}
.value-card .node{width:10px;height:10px;background:var(--accent);margin-bottom:16px;}

/* ============================================================
   Contact page
   ============================================================ */
.contact-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:60px;}
@media (max-width:900px){.contact-grid{grid-template-columns:1fr;}}
.info-block{display:flex;gap:16px;padding:22px 0;border-bottom:1px solid var(--line);}
.info-block:first-child{padding-top:0;}
.info-block .lbl{font-family:var(--font-mono);font-size:11.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--steel-light);width:96px;flex:none;padding-top:2px;}

.form-field{margin-bottom:20px;}
.form-field label{display:block;font-family:var(--font-mono);font-size:12px;letter-spacing:.04em;text-transform:uppercase;color:var(--steel);margin-bottom:8px;}
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;font-family:var(--font-body);font-size:14.5px;background:#fff;color:var(--ink);
}
.form-field textarea{resize:vertical;min-height:120px;}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light);
}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:520px){.form-row{grid-template-columns:1fr;}}
.form-note{font-size:12.5px;color:var(--steel-light);margin-top:14px;}
.form-status{display:none;margin-top:16px;padding:14px 16px;font-size:14px;border-radius:var(--radius);}
.form-status.ok{display:block;background:var(--accent-light);color:var(--accent-dark);}
.form-status.error{display:block;background:#FDEBEC;color:#B3261E;}

/* ============================================================
   Home-page nav boxes (Products / Applications / About)
   ============================================================ */
.nav-boxes{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
@media (max-width:800px){.nav-boxes{grid-template-columns:1fr;}}
.nav-box{background:#fff;padding:32px 30px 34px;}
.nav-box h3{font-size:19px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line);}
.nav-box h3 a{color:var(--ink);}
.nav-box h3 a:hover{color:var(--accent-dark);}
.nav-box ul{font-size:14.5px;}
.nav-box li{padding:6px 0;}
.nav-box li a{color:var(--steel);}
.nav-box li a:hover{color:var(--accent-dark);text-decoration:underline;}
.nav-box ul ul{margin:4px 0 4px 16px;border-left:1px solid var(--line);padding-left:14px;}
.nav-box ul ul li{padding:4px 0 4px 16px;font-size:13.5px;}

/* Full-bleed hero image — edge-to-edge, directly under header, no gap */
.hero-banner-full{
  position:relative;z-index:1;
  width:100%;
  line-height:0;
}
.hero-banner-full::after{
  content:"";
  position:absolute;inset:0;
  background:radial-gradient(ellipse at center, rgba(10,32,54,.42) 0%, rgba(10,32,54,.15) 45%, rgba(10,32,54,0) 75%);
  mix-blend-mode:multiply;
  pointer-events:none;
}
.hero-banner-full img{
  width:100%;display:block;
  max-height:280px;object-fit:cover;
  filter:brightness(1.0) saturate(0.95);
}
@media (max-width:640px){
  .hero-banner-full img{max-height:150px;}
}

/* Dark variant — nav boxes sitting directly on the navy hero background, no frame */
.nav-boxes-dark{
  display:grid;grid-template-columns:repeat(3,1fr);gap:56px;
  position:relative;z-index:1;
  margin-bottom:64px;
  align-items:stretch;
}
@media (max-width:800px){.nav-boxes-dark{grid-template-columns:1fr;gap:40px;}}
.nav-box-dark{background:transparent;padding:0;}
.nav-box-dark h3{font-size:19px;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid rgba(255,255,255,.16);color:#fff;font-family:var(--font-display);font-weight:600;}
.nav-box-dark h3 a{color:#fff;}
.nav-box-dark h3 a:hover{color:#7FC4EE;}
.nav-box-dark ul{font-size:14.5px;}
.nav-box-dark li{padding:6px 0 6px 18px;position:relative;}
.nav-box-dark li::before{
  content:"";position:absolute;left:0;top:14px;
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);
}
.nav-box-dark ul ul li::before{width:5px;height:5px;background:#7FC4EE;}
.nav-box-dark li a{color:#B9C7D3;}
.nav-box-dark li a.btn-primary{color:#fff;}
.nav-box-dark li a:hover{color:#fff;text-decoration:underline;}
.nav-box-dark ul ul{margin:4px 0 4px 16px;border-left:1px solid rgba(255,255,255,.16);padding-left:14px;}
.nav-box-dark ul ul li{padding:4px 0 4px 16px;font-size:13.5px;}
.reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease;}
.reveal.in{opacity:1;transform:none;}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none;}
  html{scroll-behavior:auto;}
}