/* ============================================================
   FOOTER — branded, SEO + AEO + GEO optimised
   - semantic landmarks (footer, nav, address)
   - rich internal links (12+ product categories, key pages)
   - trust signals (FENSA, guarantee, years)
   - FAQ Q&A (citation-ready for AEO)
   - JSON-LD schema (Organization, LocalBusiness, FAQPage)
   ============================================================ */
.si-footer{
  background:var(--si-near-black);
  color:#cfc9c1;
  font-family:var(--si-font-body);
  position:relative;overflow:hidden;
}
.si-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:linear-gradient(90deg,transparent 0,var(--si-orange) 15%,var(--si-orange) 85%,transparent 100%);
  opacity:.7;
}

/* ----- CTA band ----- */
.si-footer-cta{
  background:var(--si-orange);color:#fff;text-align:center;padding:clamp(36px,5vw,56px) 0;
  position:relative;overflow:hidden;
}
.si-footer-cta::before,.si-footer-cta::after{
  content:"";position:absolute;top:50%;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(closest-side,rgba(255,255,255,.16),transparent 70%);
  transform:translateY(-50%);pointer-events:none;
}
.si-footer-cta::before{left:-80px}
.si-footer-cta::after{right:-80px}
.si-footer-cta__inner{position:relative;display:flex;flex-direction:column;align-items:center;gap:18px}
.si-footer-cta h2{
  font-family:var(--si-font-display);font-weight:800;color:#fff;
  font-size:clamp(1.5rem,2.6vw,2.1rem);margin:0;letter-spacing:-.02em;
}
.si-footer-cta p{margin:0;opacity:.95;max-width:54ch}
.si-footer-cta__btns{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}
.si-footer-cta__btns .si-btn{padding:.85em 1.6em}
.si-footer-cta__btns .si-btn--ghost{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.5)}
.si-footer-cta__btns .si-btn--ghost:hover{background:#fff;color:var(--si-orange);border-color:#fff}

/* ----- Main grid ----- */
.si-footer-main{padding:clamp(48px,6vw,80px) 0 clamp(32px,4vw,48px)}
.si-footer-grid{
  display:grid;gap:clamp(28px,3vw,40px);
  grid-template-columns:1.5fr 3fr;
  max-width:var(--si-wrap);margin:0 auto;padding:0 24px;
}
.si-footer-cols{
  display:grid;gap:clamp(28px,3vw,40px);
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
}
.si-footer-col h3{
  font-family:var(--si-font-display);font-weight:600;font-size:.74rem;
  letter-spacing:.18em;text-transform:uppercase;color:#fff;margin:0 0 16px;
  display:flex;align-items:center;gap:8px;
}
.si-footer-col h3::before{content:"";width:14px;height:2px;background:var(--si-orange)}
.si-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#fff}
.si-footer-brand .si-logo-mark{width:36px;height:36px}
.si-footer-brand .si-logo-text{font-size:1.4rem;color:#fff}
.si-footer-brand .si-logo-text b{color:var(--si-orange)}
.si-footer-brand .si-logo-text i{color:#fff;opacity:.85}
.si-footer-desc{margin:0 0 18px;line-height:1.65;color:#b3aca3;max-width:38ch;font-size:.92rem}
.si-footer-contact{list-style:none;padding:0;margin:0 0 22px;display:flex;flex-direction:column;gap:10px;font-size:.88rem}
.si-footer-contact li{display:flex;align-items:flex-start;gap:10px;color:#cfc9c1}
.si-footer-contact svg{width:14px;height:14px;color:var(--si-orange);flex:none;margin-top:3px}
.si-footer-contact a{color:#fff;font-weight:500}
.si-footer-contact a:hover{color:var(--si-orange-soft)}
.si-footer-nav{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px;font-size:.9rem}
.si-footer-nav a{color:#cfc9c1;display:inline-flex;align-items:center;gap:6px;padding:2px 0;transition:color var(--si-dur-fast) var(--si-ease),transform var(--si-dur-fast) var(--si-ease)}
.si-footer-nav a:hover{color:var(--si-orange);transform:translateX(3px)}
.si-footer-nav a::before{content:"→";opacity:0;transition:opacity var(--si-dur-fast) var(--si-ease);color:var(--si-orange)}
.si-footer-nav a:hover::before{opacity:1}

/* ----- Social row ----- */
.si-footer-social{display:flex;gap:8px;margin-top:6px}
.si-footer-social a{
  display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;
  background:rgba(255,255,255,.04);color:#cfc9c1;border:1px solid rgba(255,255,255,.08);
  transition:background var(--si-dur) var(--si-ease),color var(--si-dur) var(--si-ease),transform var(--si-dur) var(--si-ease);
}
.si-footer-social a:hover{background:var(--si-orange);color:#fff;border-color:var(--si-orange);transform:translateY(-2px)}
.si-footer-social svg{width:16px;height:16px}

/* ----- Trust strip ----- */
.si-footer-trust{
  border-top:1px solid rgba(255,255,255,.06);border-bottom:1px solid rgba(255,255,255,.06);
  padding:24px 0;background:rgba(255,255,255,.02);
}
.si-footer-trust__inner{
  max-width:var(--si-wrap);margin:0 auto;padding:0 24px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:20px;align-items:center;
}
.si-footer-trust__item{display:flex;align-items:center;gap:12px;color:#cfc9c1;font-size:.88rem}
.si-footer-trust__item b{color:#fff;font-family:var(--si-font-display);font-weight:600;font-size:.95rem;display:block;line-height:1.2}
.si-footer-trust__icon{
  width:38px;height:38px;flex:none;border-radius:50%;
  background:rgba(228,121,22,.12);color:var(--si-orange);
  display:grid;place-items:center;
}
.si-footer-trust__icon svg{width:18px;height:18px}

/* ----- FAQ (AEO — citation-ready) ----- */
.si-footer-faq{padding:clamp(40px,5vw,64px) 0;border-top:1px solid rgba(255,255,255,.06)}
.si-footer-faq__inner{max-width:var(--si-wrap);margin:0 auto;padding:0 24px}
.si-footer-faq__head{text-align:center;max-width:640px;margin:0 auto 32px}
.si-footer-faq__head h2{
  font-family:var(--si-font-display);font-weight:700;color:#fff;
  font-size:clamp(1.4rem,2.2vw,1.9rem);letter-spacing:-.018em;margin:0 0 8px;
}
.si-footer-faq__head p{margin:0;color:#b3aca3;font-size:.92rem}
.si-footer-faq__list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 32px;max-width:920px;margin:0 auto;
}
.si-faq{
  border:1px solid rgba(255,255,255,.08);border-radius:var(--si-radius);
  background:rgba(255,255,255,.02);padding:18px 20px;
  transition:border-color var(--si-dur) var(--si-ease);
}
.si-faq:hover{border-color:rgba(228,121,22,.4)}
.si-faq summary{
  list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;
  font-family:var(--si-font-display);font-weight:600;font-size:.98rem;color:#fff;letter-spacing:-.01em;
}
.si-faq summary::-webkit-details-marker{display:none}
.si-faq summary::after{content:"+";font-size:1.4rem;color:var(--si-orange);transition:transform var(--si-dur) var(--si-ease);line-height:1}
.si-faq[open] summary::after{content:"−"}
.si-faq p{margin:12px 0 0;color:#b3aca3;font-size:.9rem;line-height:1.65}

/* ----- Service areas (GEO — locality signals) ----- */
.si-footer-areas{padding:28px 0;border-top:1px solid rgba(255,255,255,.06)}
.si-footer-areas__inner{max-width:var(--si-wrap);margin:0 auto;padding:0 24px}
.si-footer-areas h2{
  font-family:var(--si-font-display);font-weight:700;font-size:.74rem;letter-spacing:.18em;
  text-transform:uppercase;color:#fff;margin:0 0 12px;text-align:center;
}
.si-footer-areas p{margin:0 0 14px;text-align:center;color:#b3aca3;font-size:.85rem}
.si-footer-areas__chips{
  display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:920px;margin:0 auto;
}
.si-footer-areas__chip{
  display:inline-block;padding:.3em .8em;border:1px solid rgba(255,255,255,.1);
  border-radius:var(--si-radius-pill);color:#cfc9c1;font-size:.78rem;
  transition:border-color var(--si-dur-fast) var(--si-ease),color var(--si-dur-fast) var(--si-ease);
}
.si-footer-areas__chip:hover{border-color:var(--si-orange);color:var(--si-orange)}

/* ----- Legal bar ----- */
.si-footer-legal{border-top:1px solid rgba(255,255,255,.06);padding:20px 0;background:rgba(0,0,0,.25)}
.si-footer-legal__inner{
  max-width:var(--si-wrap);margin:0 auto;padding:0 24px;
  display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;
}
.si-footer-legal p{margin:0;color:#8e8880;font-size:.78rem}
.si-footer-legal p b{color:#cfc9c1}
ul.si-footer-legal__links{display:flex;gap:18px;flex-wrap:wrap;align-items:center;font-size:.78rem;list-style:none;padding:0;margin:0}
ul.si-footer-legal__links li{display:inline-flex}
.si-footer-legal__links a{color:#8e8880;transition:color var(--si-dur-fast) var(--si-ease)}
.si-footer-legal__links a:hover{color:var(--si-orange)}

/* ----- Payment strip ----- */
.si-footer-pay{display:flex;align-items:center;gap:8px;color:#8e8880;font-size:.78rem}
.si-footer-pay svg{height:18px;width:auto;opacity:.7}
.si-footer-pay span{font-family:var(--si-font-mono);font-size:.7rem;letter-spacing:.1em}

/* ----- Responsive ----- */
@media(max-width:960px){
  .si-footer-grid{grid-template-columns:1fr}
  .si-footer-cols{grid-template-columns:1fr 1fr}
}
@media(max-width:600px){
  .si-footer-cols{grid-template-columns:1fr;gap:32px}
  .si-footer-faq__list{grid-template-columns:1fr}
  .si-footer-legal__inner{flex-direction:column;text-align:center}
}