:root{
  --navy:#0e1b2c; --navy-2:#16304d; --navy-3:#0a1420;
  --orange:#f26b1d; --orange-dark:#d5570e;
  --ink:#1a2433; --muted:#5c6b7f; --line:#e5e9ef;
  --bg:#fff; --bg-soft:#f5f7fa;
  --radius:16px; --maxw:1160px; --shadow:0 10px 30px rgba(14,27,44,.08);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{line-height:1.14;margin:0;letter-spacing:-.02em}
.skip-link{position:absolute;left:-999px;top:0;background:var(--orange);color:#fff;padding:10px 16px;z-index:100}
.skip-link:focus{left:0}
.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:.8rem;font-weight:700;color:var(--orange);margin:0 0 16px}
.eyebrow.center{text-align:center}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:74px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:1.2rem;color:var(--navy)}
.brand-logo{width:44px;height:auto}
.brand-llc{color:var(--orange);margin-left:3px}
.site-nav{display:flex;align-items:center;gap:26px}
.site-nav a{font-weight:500;color:var(--muted);font-size:.95rem;transition:color .15s}
.site-nav a:hover{color:var(--navy)}
.nav-cta{background:var(--navy);color:#fff!important;padding:9px 18px;border-radius:999px}
.nav-cta:hover{background:var(--navy-2)}
.lang-switch{display:inline-flex;align-items:center;gap:3px;background:none;border:1px solid var(--line);border-radius:999px;padding:6px 12px;font:inherit;font-size:.82rem;font-weight:700;color:var(--muted);cursor:pointer;transition:border-color .15s}
.lang-switch:hover{border-color:var(--orange)}
.lang-switch .sep{opacity:.4}
.lang-switch [data-lang-tag].active{color:var(--orange)}
.nav-toggle-btn{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle-btn span{width:24px;height:2px;background:var(--navy);border-radius:2px}

/* ---------- Hero slider ---------- */
.hero-slider{position:relative;height:clamp(540px,80vh,780px);overflow:hidden;background:var(--navy);outline:none}
.slides{position:absolute;inset:0}
.slide{position:absolute;inset:0;display:flex;align-items:center;opacity:0;visibility:hidden;transition:opacity .9s ease}
.slide.is-active{opacity:1;visibility:visible;z-index:2}
.slide::before{content:"";position:absolute;inset:0;background-size:cover;background-position:center;transform:scale(1.06);transition:transform 8s ease-out;z-index:0}
.slide.is-active::before{transform:scale(1.16)}
.slide::after{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,rgba(8,15,26,.9),rgba(8,15,26,.6) 55%,rgba(8,15,26,.35))}
.slide-inner{position:relative;z-index:2;color:#fff;max-width:720px}
.slide h1,.slide h2{font-size:clamp(2.1rem,5.2vw,3.6rem);font-weight:800}
.slide .lede{font-size:1.16rem;color:rgba(255,255,255,.9);margin:18px 0 0;max-width:56ch}
.slide .eyebrow{color:#ffb27a}
/* animate content in */
.slide.is-active .slide-inner>*{animation:rise .7s both}
.slide.is-active .slide-inner>*:nth-child(2){animation-delay:.08s}
.slide.is-active .slide-inner>*:nth-child(3){animation-delay:.16s}
.slide.is-active .slide-inner>*:nth-child(4){animation-delay:.24s}
@keyframes rise{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
/* intro slide */
.slide-intro::before{background:none}
.slide-intro::after{background:radial-gradient(1200px 560px at 50% -10%,rgba(242,107,29,.22),transparent),linear-gradient(160deg,var(--navy),var(--navy-2))}
.intro-inner{text-align:center;margin:0 auto;max-width:640px;display:flex;flex-direction:column;align-items:center}
.slide-logo{width:min(420px,74vw);height:auto;margin-bottom:6px}
.intro-inner .lede{margin-top:4px}

.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.intro-inner .hero-actions{justify-content:center}
.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:600;transition:transform .12s,background .2s,box-shadow .2s}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,107,29,.35)}
.btn-primary:hover{background:var(--orange-dark)}
.btn-ghost{border:1px solid rgba(255,255,255,.4);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.35);background:rgba(10,20,32,.35);color:#fff;font-size:1.6rem;line-height:1;cursor:pointer;backdrop-filter:blur(4px);transition:background .2s,border-color .2s}
.slider-arrow:hover{background:var(--orange);border-color:var(--orange)}
.slider-arrow.prev{left:20px}.slider-arrow.next{right:20px}
.slider-dots{position:absolute;left:0;right:0;bottom:22px;z-index:5;display:flex;justify-content:center;gap:10px}
.slider-dots .dot{width:11px;height:11px;border-radius:50%;border:none;background:rgba(255,255,255,.4);cursor:pointer;padding:0;transition:background .2s,transform .2s}
.slider-dots .dot.active{background:var(--orange);transform:scale(1.25)}

/* ---------- Data cards ---------- */
.products{padding:92px 0;background:var(--bg-soft)}
.section-title{text-align:center;font-size:clamp(1.9rem,4vw,2.6rem);font-weight:800;margin-bottom:52px}
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;max-width:980px;margin:0 auto}
.card{position:relative;background:#fff;border:1px solid var(--line);border-radius:20px;overflow:hidden;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;scroll-margin-top:90px;display:flex;flex-direction:column}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;z-index:5;background:var(--accent,var(--orange));transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.card:hover{transform:translateY(-8px);box-shadow:0 28px 54px rgba(14,27,44,.17)}
.card:hover::before{transform:scaleX(1)}
.card-media{height:212px;background-size:cover;background-position:center;transition:transform .55s cubic-bezier(.2,.7,.2,1)}
.card:hover .card-media{transform:scale(1.08)}
.card-icon{position:absolute;top:184px;left:26px;z-index:4;width:58px;height:58px;border-radius:17px;display:grid;place-items:center;background:#fff;color:var(--accent,var(--orange));box-shadow:0 12px 26px rgba(14,27,44,.22);transition:transform .22s ease}
.card:hover .card-icon{transform:scale(1.08) rotate(-5deg)}
.card-icon svg{width:29px;height:29px}
.card-body{padding:46px 30px 32px;display:flex;flex-direction:column;flex:1}
.card-tag{font-size:.74rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--accent,var(--orange));margin-bottom:10px}
.card h3{font-size:1.36rem;font-weight:700;color:var(--navy);margin-bottom:12px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:1.02rem;line-height:1.62;margin:0 0 24px}
.card-link{margin-top:auto;font-weight:600;color:var(--accent,var(--orange));display:inline-flex;align-items:center;gap:7px}
.card-link span{transition:transform .18s}
.card-link:hover span{transform:translateX(5px)}
@media (max-width:720px){.product-grid{grid-template-columns:1fr;max-width:420px}}

/* ---------- Contact ---------- */
.contact{padding:92px 0;background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff}
.contact-inner{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}
.contact .eyebrow{color:#ffb27a}
.contact h2{font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;margin-top:6px}
.contact .lede{margin-top:16px;color:rgba(255,255,255,.85)}
.contact-details{display:grid;gap:16px}
.contact-item{display:flex;flex-direction:column;gap:4px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);padding:20px 24px;border-radius:14px;transition:background .2s,transform .12s}
.contact-item:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
.contact-label{text-transform:uppercase;letter-spacing:.12em;font-size:.72rem;color:#ffb27a;font-weight:700}
.contact-value{font-size:1.15rem;font-weight:600}

/* ---------- Footer ---------- */
.site-footer{background:var(--navy-3);color:rgba(255,255,255,.6);padding:30px 0}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-logo{width:170px;height:auto}
.footer-rights{margin:0;font-size:.88rem}

/* ---------- Responsive ---------- */
@media (max-width:860px){
  .nav-toggle-btn{display:flex;order:3}
  .site-nav{position:absolute;top:74px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;background:#fff;border-bottom:1px solid var(--line);padding:8px 24px 18px;box-shadow:var(--shadow);transform:translateY(-140%);opacity:0;pointer-events:none;transition:transform .25s,opacity .2s}
  .site-nav a{padding:13px 0;border-bottom:1px solid var(--line)}
  .nav-cta{text-align:center;margin-top:10px;border-bottom:none!important}
  .lang-switch{align-self:flex-start;margin-top:12px}
  .nav-toggle:checked ~ .site-nav{transform:translateY(0);opacity:1;pointer-events:auto}
  .contact-inner{grid-template-columns:1fr;gap:32px}
  .slide::after{background:linear-gradient(180deg,rgba(8,15,26,.55),rgba(8,15,26,.82))}
  .slider-arrow{width:40px;height:40px;font-size:1.3rem}
  .slider-arrow.prev{left:10px}.slider-arrow.next{right:10px}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto}
  .slide,.slide::before,.slide.is-active .slide-inner>*{transition:none!important;animation:none!important;transform:none!important}
}

/* slide backgrounds — paths are relative to this stylesheet (/assets/) */
.slide--roofing::before{background-image:url(img/roofing.jpg)}
.slide--energy::before{background-image:url(img/energy.jpg)}
.slide--financial::before{background-image:url(img/financial.jpg)}
.slide--home::before{background-image:url(img/home.jpg)}