:root{
  --navy:#1B2A3D;
  --navy-dark:#121D2B;
  --orange:#09550fab;
  --paper:#F5F3EF;
  --ink:#16202B;
  --line:#D8D4CB;
  --white:#FFFFFF;
  --max:1100px;
  --muted:#3E4A57;--card:#fff;--panel:#1B2A3D;--header-bg:rgba(245,243,239,0.92);
}
:root[data-theme="dark"]{
  color-scheme:dark;
  --navy:#E6EBF1;--navy-dark:#0B121B;--orange:#5CC372;--paper:#0F1722;--ink:#E6EBF1;
  --line:#263444;--white:#16202D;--muted:#A9B4C1;--card:#1B2838;--panel:#1F3047;
  --header-bg:rgba(15,23,34,0.92);
}
:root[data-theme="dark"] .btn-primary{color:#07210d;}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:'Inter',sans-serif;
  font-size:17px;
  line-height:1.6;
}
h1,h2,h3,h4{
  font-family:'Space Grotesk',sans-serif;
  font-weight:600;
  line-height:1.2;
  margin:0;
  color:var(--navy);
}
a{color:inherit;}
img{max-width:100%;display:block;}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px;}
section{padding:88px 0;}
@media (max-width:720px){section{padding:56px 0;}}

/* Header */
header.site{
  position:sticky;top:0;z-index:20;
  background:var(--header-bg);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  max-width:var(--max);margin:0 auto;padding:18px 24px;
  display:flex;align-items:center;justify-content:space-between;
}
.brand {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 19px;
    color: var(--navy);
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}
.logo-circle {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
}
.brand-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: contain;
    flex-shrink: 0;
}
.brand .img{width:45px;height:45px;border-radius:50%;object-fit:contain;vertical-align:middle;}
.nav ul{list-style:none;display:flex;gap:32px;margin:0;padding:0;}
.nav a.link{text-decoration:none;font-size:15px;font-weight:500;color:var(--navy);}
.nav a.link:hover{color:var(--orange);}
.nav-toggle{display:none;background:none;border:none;cursor:pointer;padding:4px;}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0;}
@media (max-width:800px){
  .nav ul{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;background:var(--paper);
    border-bottom:1px solid var(--line);
    padding:16px 24px;gap:16px;
    display:none;
  }
  .nav ul.open{display:flex;}
  .nav-toggle{display:block;}
}

/* Hero */
.hero{padding-top:64px;}
.hero-grid{
  display:grid;grid-template-columns:1.15fr 0.85fr;gap:56px;align-items:start;
}
@media (max-width:860px){.hero-grid{grid-template-columns:1fr;}}
.eyebrow{
  color:var(--orange);font-weight:600;font-size:14px;
  margin-bottom:14px;display:block;
}
.hero h1{font-size:44px;letter-spacing:-0.01em;}
@media (max-width:540px){.hero h1{font-size:32px;}}
.hero p.lede{
  font-size:18px;color:var(--muted);max-width:46ch;margin-top:18px;
}
.hero-ctas{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.btn{
  display:inline-block;padding:13px 26px;border-radius:3px;
  font-weight:600;font-size:15px;text-decoration:none;
  border:1px solid transparent;cursor:pointer;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:#CF531F;}
.btn-ghost{background:transparent;border-color:var(--navy);color:var(--navy);}
.btn-ghost:hover{background:var(--navy);color:var(--paper);}

.checklist{
  background:var(--panel);color:#EFEDE7;border-radius:6px;
  padding:32px;
}
.checklist h3{color:#fff;font-size:16px;margin-bottom:18px;font-weight:600;}
.checklist ul{list-style:none;margin:0;padding:0;}
.checklist li{
  display:flex;gap:12px;align-items:flex-start;
  padding:11px 0;border-top:1px solid rgba(255,255,255,0.12);
  font-size:15px;
}
.checklist li:first-of-type{border-top:none;}
.checklist svg{flex:none;margin-top:3px;}

/* Section headings */
.section-head{max-width:60ch;margin-bottom:44px;}
.section-head h2{font-size:30px;}
.section-head p{color:var(--muted);margin-top:12px;font-size:16px;}

/* About */
.about{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
@media (max-width:820px){.about-grid{grid-template-columns:1fr;}}
.about-grid h3{font-size:18px;margin-bottom:8px;}
.about-grid p{color:var(--muted);font-size:15px;}
.about-block + .about-block{margin-top:28px;}

/* Services */
.services-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);
}
@media (max-width:860px){.services-grid{grid-template-columns:repeat(2,1fr);}}
@media (max-width:560px){.services-grid{grid-template-columns:1fr;}}
.service-card{
  background:var(--paper);padding:32px 28px;
}
.service-card .icon{
  width:42px;height:42px;border-radius:50%;
  background:var(--panel);display:flex;align-items:center;justify-content:center;
  margin-bottom:20px;
}
.service-card h3{font-size:17px;margin-bottom:8px;}
.service-card p{color:var(--muted);font-size:14.5px;margin:0 0 16px;}
.service-card a.quote{
  font-size:14px;font-weight:600;color:var(--orange);text-decoration:none;
}
.service-card a.quote:hover{text-decoration:underline;}

/* How it works */
.how{background:var(--white);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:40px;}
@media (max-width:820px){.steps{grid-template-columns:1fr;}}
.step{position:relative;padding-left:0;}
.step .num{
  font-family:'Space Grotesk',sans-serif;font-size:14px;font-weight:600;
  color:var(--orange);border:1px solid var(--orange);border-radius:50%;
  width:30px;height:30px;display:flex;align-items:center;justify-content:center;
  margin-bottom:18px;
}
.step h4{font-size:17px;margin-bottom:8px;}
.step p{color:var(--muted);font-size:14.5px;margin:0;}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.1fr;gap:56px;}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr;}}
.contact-info h4{font-size:15px;color:var(--navy);margin-bottom:6px;}
.contact-info p{color:var(--muted);font-size:15px;margin:0 0 22px;}
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:600;color:var(--navy);margin-bottom:6px;}
.form-row input,.form-row select,.form-row textarea{
  width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:3px;
  font-family:'Inter',sans-serif;font-size:15px;background:var(--card);color:var(--ink);
}
.form-row input:focus,.form-row select:focus,.form-row textarea:focus{
  outline:2px solid var(--orange);outline-offset:1px;border-color:var(--orange);
}
.form-row textarea{resize:vertical;min-height:110px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
@media (max-width:480px){.two-col{grid-template-columns:1fr;}}
#formMsg{
  margin-top:14px;font-size:14px;font-weight:600;display:none;
}
#formMsg.show{display:block;}
#formMsg.ok{color:var(--ink);}
#formMsg.err{color:#B3261E;}

footer{
  background:var(--navy-dark);color:#C7CDD4;padding:40px 0 28px;
}
.footer-grid{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:20px;
  border-bottom:1px solid rgba(255,255,255,0.12);padding-bottom:24px;margin-bottom:20px;
}
.footer-grid .brand{color:#fff;}
footer .copy{font-size:13px;color:#8A93A0;}
.skip-link{
  position:absolute;left:-999px;top:0;background:var(--orange);color:#fff;
  padding:10px 16px;z-index:100;
}
.skip-link:focus{left:12px;top:12px;}

/* ---------- Interactions ---------- */
body,header.site,.about,.how,.service-card,.form-row input,.form-row select,.form-row textarea{transition:background-color .3s,color .3s,border-color .3s;}

/* Header: compacts on scroll, highlights current section */
.nav{transition:padding .25s;}
header.site.scrolled .nav{padding-top:9px;padding-bottom:9px;}
.nav a.link{position:relative;padding:4px 0;}
.nav a.link::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--orange);transform:scaleX(0);transform-origin:left;transition:transform .25s;}
.nav a.link:hover::after,.nav a.link.active::after{transform:scaleX(1);}
.theme-toggle{background:none;border:1px solid var(--line);color:var(--navy);width:38px;height:38px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;margin-left:20px;}
.theme-toggle:hover{border-color:var(--orange);}
.theme-toggle .moon{display:none;}
:root[data-theme="dark"] .theme-toggle .sun{display:none;}
:root[data-theme="dark"] .theme-toggle .moon{display:block;}
.nav-toggle span{transition:transform .25s,opacity .2s;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
@media (max-width:800px){
  .theme-toggle{margin-left:auto;margin-right:12px;}
  .nav ul{display:flex;visibility:hidden;opacity:0;transform:translateY(-8px);transition:opacity .2s,transform .2s,visibility .2s;}
  .nav ul.open{visibility:visible;opacity:1;transform:none;}
}

/* Scroll reveal (only active when JS is running) */
.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease var(--d,0s),transform .6s ease var(--d,0s);}
.js .reveal.in{opacity:1;transform:none;}

/* Tabs (About) */
.about-logo{align-self:start;}
.tab-list{display:flex;flex-wrap:wrap;gap:8px;border-bottom:1px solid var(--line);margin-bottom:24px;}
.tab{background:none;border:0;border-bottom:3px solid transparent;margin-bottom:-1px;padding:10px 14px;font:600 15px 'Space Grotesk',sans-serif;color:var(--muted);cursor:pointer;}
.tab:hover{color:var(--navy);}
.tab[aria-selected="true"]{color:var(--navy);border-bottom-color:var(--orange);}
.tab:focus-visible,.filter:focus-visible,.theme-toggle:focus-visible,.to-top:focus-visible,.lb-btn:focus-visible{outline:2px solid var(--orange);outline-offset:2px;}
.tab-panel{animation:panelIn .35s ease;}
.tab-panel[hidden]{display:none;}
.tab-panel h2{font-size:26px;}
.tab-panel ul,.tab-panel ol{margin:0;padding-left:1.2em;font-size:24px;font-family:'Space Grotesk',sans-serif;font-weight:600;color:var(--navy);}
@keyframes panelIn{from{opacity:0;transform:translateY(8px);}to{opacity:1;transform:none;}}

/* Product gallery + lightbox */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter{border:1px solid var(--line);background:transparent;color:var(--navy);padding:8px 18px;border-radius:999px;font:600 14px 'Inter',sans-serif;cursor:pointer;}
.filter:hover{border-color:var(--orange);}
.filter.on{background:var(--navy);color:var(--paper);border-color:var(--navy);}
.gallery{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
@media (max-width:860px){.gallery{grid-template-columns:repeat(2,1fr);}}
.g-item{position:relative;aspect-ratio:1;border:0;padding:0;border-radius:4px;overflow:hidden;cursor:zoom-in;background:var(--panel);color:#fff;text-align:left;}
.g-item img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.g-item:hover img,.g-item:hover .ph{transform:scale(1.05);}
.ph{width:100%;height:100%;display:flex;align-items:center;justify-content:center;font:600 18px 'Space Grotesk',sans-serif;transition:transform .4s;background:linear-gradient(135deg,var(--panel),var(--orange));}
.g-item .cap{position:absolute;left:0;right:0;bottom:0;padding:24px 12px 10px;font-size:14px;font-weight:600;background:linear-gradient(transparent,rgba(0,0,0,.65));opacity:0;transition:opacity .25s;}
.g-item:hover .cap,.g-item:focus-visible .cap{opacity:1;}
.g-item[hidden]{display:none;}
.lightbox{position:fixed;inset:0;z-index:50;background:rgba(8,12,18,.92);display:none;align-items:center;justify-content:center;padding:24px;}
.lightbox.open{display:flex;}
.lb-stage{max-width:min(90vw,720px);width:100%;text-align:center;color:#fff;}
.lb-stage img,.lb-stage .ph{width:100%;max-height:70vh;aspect-ratio:4/3;object-fit:contain;border-radius:4px;}
.lb-stage p{margin:14px 0 0;font-weight:600;}
.lb-btn{position:absolute;background:rgba(255,255,255,.12);color:#fff;border:0;width:44px;height:44px;border-radius:50%;font-size:22px;cursor:pointer;}
.lb-btn:hover{background:rgba(255,255,255,.25);}
.lb-close{top:20px;right:20px;}.lb-prev{left:16px;}.lb-next{right:16px;}

/* Back to top */
.to-top{position:fixed;right:20px;bottom:20px;width:44px;height:44px;border-radius:50%;border:0;background:var(--navy);color:var(--paper);font-size:20px;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(10px);transition:.25s;z-index:15;}
.to-top.show{opacity:1;visibility:visible;transform:none;}

/* Form feedback */
.form-row input.invalid,.form-row textarea.invalid,.form-row select.invalid{border-color:#B3261E;}
.btn[disabled]{opacity:.6;cursor:wait;}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{animation:none!important;transition:none!important;}
  .js .reveal{opacity:1;transform:none;}
}
/* Hero slider */
.slider{position:relative;padding:0;overflow:hidden;background:var(--panel);}
.slides{position:relative;height:clamp(380px,62vh,580px);}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity .8s,visibility .8s;
  background:linear-gradient(90deg,rgba(10,18,28,.82),rgba(10,18,28,.15) 75%),var(--img,linear-gradient(135deg,#1F3047,#09550f)) center/cover;}
.slide.is-active{opacity:1;visibility:visible;}
.slide .wrap{width:100%;}
.slide-text{max-width:520px;color:#fff;}
.slide-text h2{color:#fff;font-size:clamp(28px,4.5vw,46px);margin-bottom:14px;}
.slide-text p{color:#E6EBF1;margin:0 0 24px;max-width:44ch;}
.slide.is-active .slide-text{animation:slideIn .8s ease both;}
@keyframes slideIn{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:none;}}
.sl-btn{position:absolute;top:50%;transform:translateY(-50%);width:44px;height:44px;border-radius:50%;border:0;background:rgba(255,255,255,.15);color:#fff;font-size:24px;cursor:pointer;}
.sl-btn:hover{background:rgba(255,255,255,.3);}
.sl-prev{left:16px;}.sl-next{right:16px;}
.sl-dots{position:absolute;left:0;right:0;bottom:18px;display:flex;justify-content:center;gap:10px;}
.sl-dots button{width:11px;height:11px;border-radius:50%;border:1px solid #fff;background:transparent;padding:0;cursor:pointer;}
.sl-dots button[aria-current="true"]{background:#fff;}
.sl-pause{position:absolute;right:16px;bottom:12px;background:rgba(0,0,0,.35);color:#fff;border:0;border-radius:3px;padding:5px 12px;font-size:13px;cursor:pointer;}
.sl-btn:focus-visible,.sl-dots button:focus-visible,.sl-pause:focus-visible{outline:2px solid #fff;outline-offset:2px;}
@media (max-width:600px){.sl-btn{display:none;}}