/* =========================================================
   ST Solar — product.css  (ürün detay sayfaları)
   Önek: .pd-  |  Sadece base.css token'ları kullanılır.
   Bölümler: hero (galeri+bilgi) / avantaj / özellikler / parametreler
   ========================================================= */

.pd-h2{
  font-size:34px;line-height:1.25;font-weight:700;color:var(--ink);
  letter-spacing:-.3px;
}

/* =========================================================
   1) HERO — galeri + bilgi
   ========================================================= */
.pd-hero{padding:calc(76px + 26px) 0 64px;background:var(--white)}

.pd-bread{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--muted-2);
}
.pd-bread a{transition:color .2s ease}
.pd-bread a:hover{color:var(--orange)}
.pd-bread [aria-current]{color:var(--muted);font-weight:600}

.pd-hero-grid{
  margin-top:26px;
  display:grid;grid-template-columns:1.04fr 1fr;gap:56px;
  align-items:start;
}

/* --- Galeri --- */
.pd-gallery{
  display:grid;grid-template-columns:86px 1fr;gap:14px;
  align-items:start;
}
.pd-gallery--single{grid-template-columns:1fr}
.pd-thumbs{display:flex;flex-direction:column;gap:12px}
.pd-thumb{
  display:block;padding:8px;
  background:var(--white);
  border:1px solid var(--line);border-radius:10px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.pd-thumb img{width:100%;height:auto}
.pd-thumb:hover{border-color:var(--muted-2)}
.pd-thumb.is-active{border-color:var(--orange);box-shadow:0 0 0 1px var(--orange)}

.pd-main-img{
  display:flex;align-items:center;justify-content:center;
  padding:26px;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--white);
  min-height:420px;
}
.pd-main-img img{max-height:460px;width:auto;max-width:100%}

/* --- Bilgi --- */
.pd-eyebrow{
  display:inline-block;
  font-size:13px;font-weight:700;letter-spacing:1.2px;text-transform:uppercase;
  color:var(--orange);
}
.pd-title{
  margin-top:8px;
  font-size:40px;line-height:1.15;font-weight:700;color:var(--ink);
  letter-spacing:-.4px;
}
.pd-power{
  margin-top:8px;
  font-size:17px;font-weight:600;color:var(--navy-700);
}
.pd-desc{
  margin-top:16px;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}

.pd-actions{margin-top:26px;display:flex;gap:12px;flex-wrap:wrap}
.pd-btn-ghost{
  background:var(--bg-soft);color:var(--ink);
  border:1px solid var(--line);
}
.pd-btn-ghost:hover{background:var(--navy-800);border-color:var(--navy-800);color:var(--white)}

.pd-specs{
  margin-top:30px;padding-top:24px;
  border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(3,auto);gap:18px 44px;
  justify-content:start;
}
.pd-spec dt{font-size:14px;font-weight:700;color:var(--ink)}
.pd-spec dd{margin-top:6px;font-size:14.5px;color:var(--muted)}

.pd-video{
  margin-top:26px;
  display:inline-flex;align-items:center;gap:9px;
  font-size:14px;font-weight:600;color:var(--navy-700);
  transition:color .2s ease;
}
.pd-video svg{width:22px;height:22px}
.pd-video:hover{color:var(--orange)}

/* =========================================================
   2) ÜRÜN AVANTAJI
   ========================================================= */
.pd-adv{padding:64px 0;background:var(--bg-soft)}
.pd-adv-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  align-items:center;
}
.pd-adv-p{
  margin-top:18px;
  font-size:15.5px;line-height:1.85;color:var(--muted);
}
.pd-adv-btn{margin-top:26px}
.pd-adv-fig{
  border-radius:var(--radius);overflow:hidden;
  box-shadow:var(--shadow);
  background:var(--white);
}
.pd-adv-fig img{width:100%;height:auto}

/* =========================================================
   3) ÖNE ÇIKAN ÖZELLİKLER
   ========================================================= */
.pd-feat{padding:72px 0;background:var(--white)}
.pd-feat-grid{
  margin-top:40px;
  display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:22px;
  align-items:stretch;
}
.pd-feat-card{
  background:var(--white);
  border:1px solid var(--line);border-top:3px solid var(--orange);
  border-radius:12px;
  padding:26px 22px 28px;
  box-shadow:0 8px 22px rgba(15,36,97,.06);
}
.pd-feat-ico{
  display:flex;align-items:center;justify-content:center;
  width:64px;height:64px;border-radius:50%;
  background:rgba(245,126,32,.08);
}
.pd-feat-ico img{width:38px;height:38px}
.pd-feat-tit{
  margin-top:16px;padding-bottom:14px;
  border-bottom:1px solid var(--line);
  font-size:16px;font-weight:700;color:var(--ink);
}
.pd-feat-list{margin-top:14px;display:flex;flex-direction:column;gap:9px}
.pd-feat-list li{
  position:relative;padding-left:14px;
  font-size:13.5px;line-height:1.6;color:var(--muted);
}
.pd-feat-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:5px;height:5px;border-radius:50%;
  background:var(--orange);
}
.pd-feat-note{
  margin-top:22px;
  font-size:12.5px;color:var(--muted-2);
}

/* =========================================================
   4) ÜRÜN PARAMETRELERİ
   ========================================================= */
.pd-params{padding:72px 0 84px;background:var(--bg-soft)}

.pd-tabs-wrap{margin-top:36px}
.pd-tabs{
  display:flex;gap:4px;
  background:var(--white);
  border-radius:999px;
  padding:6px;
  box-shadow:0 6px 18px rgba(15,36,97,.08);
  overflow-x:auto;
  -webkit-overflow-scrolling:touch;
}
.pd-tab{
  flex:1 0 auto;
  padding:11px 20px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.3px;
  color:var(--muted);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.pd-tab:hover{color:var(--ink)}
.pd-tab.is-active{background:var(--orange);color:var(--white)}

.pd-model{display:none;margin-top:40px}
.pd-model.is-active{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;
  align-items:start;
}
.pd-model-fig{
  background:var(--white);
  border-radius:var(--radius);
  padding:34px 26px 24px;
  box-shadow:0 8px 22px rgba(15,36,97,.06);
  text-align:center;
}
.pd-model-fig img{max-width:320px;width:100%;height:auto;margin:0 auto}
.pd-model-name{
  margin-top:14px;
  font-size:16px;font-weight:700;color:var(--ink);
}

/* --- Akordeon --- */
.pd-acc{display:flex;flex-direction:column;gap:14px}
.pd-acc-item{
  background:var(--white);
  border:1px solid var(--line);border-radius:12px;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.pd-acc-item.is-open{
  border-color:rgba(245,126,32,.5);
  box-shadow:0 8px 22px rgba(15,36,97,.06);
}
.pd-acc-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  width:100%;text-align:left;
  padding:16px 20px;
  font-size:14px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;
  color:var(--ink);
  transition:color .2s ease;
}
.pd-acc-item.is-open .pd-acc-head{color:var(--orange)}

/* + / − simgesi (CSS ile çizilir) */
.pd-acc-toggle{
  position:relative;flex:0 0 26px;
  width:26px;height:26px;border-radius:50%;
  border:1.6px solid currentColor;
}
.pd-acc-toggle::before,
.pd-acc-toggle::after{
  content:"";position:absolute;left:50%;top:50%;
  transform:translate(-50%,-50%);
  background:currentColor;border-radius:1px;
}
.pd-acc-toggle::before{width:10px;height:1.6px}
.pd-acc-toggle::after{width:1.6px;height:10px;transition:transform .2s ease,opacity .2s ease}
.pd-acc-item.is-open .pd-acc-toggle::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}

.pd-acc-body{display:none;padding:2px 20px 18px}
.pd-acc-item.is-open .pd-acc-body{display:block}

.pd-table{width:100%;border-collapse:collapse}
.pd-table td{
  padding:11px 0;
  border-bottom:1px solid var(--line);
  font-size:14px;line-height:1.55;
  vertical-align:top;
}
.pd-table tr:last-child td{border-bottom:none}
.pd-table td:first-child{width:46%;font-weight:600;color:var(--ink);padding-right:18px}
.pd-table td:last-child{color:var(--muted)}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width:1100px){
  .pd-feat-grid{grid-template-columns:repeat(2,1fr)}
}

@media (max-width:992px){
  .pd-hero{padding-top:calc(64px + 22px)}
  .pd-hero-grid{grid-template-columns:1fr;gap:36px}
  .pd-title{font-size:32px}
  .pd-h2{font-size:28px}
  .pd-main-img{min-height:320px}
  .pd-main-img img{max-height:360px}
  .pd-adv-grid{grid-template-columns:1fr;gap:30px}
  .pd-model.is-active{grid-template-columns:1fr;gap:28px}
  .pd-model-fig img{max-width:260px}
}

@media (max-width:576px){
  .pd-gallery{grid-template-columns:64px 1fr;gap:10px}
  .pd-thumb{padding:5px;border-radius:8px}
  .pd-main-img{padding:16px;min-height:240px}
  .pd-main-img img{max-height:260px}
  .pd-title{font-size:27px}
  .pd-h2{font-size:24px}
  .pd-specs{grid-template-columns:1fr 1fr;gap:14px 24px}
  .pd-feat-grid{grid-template-columns:1fr;gap:16px}
  .pd-tab{padding:10px 16px;font-size:12.5px}
  .pd-acc-head{padding:14px 16px;font-size:13px}
  .pd-acc-body{padding:0 16px 14px}
  .pd-table td:first-child{width:52%}
}

@media (prefers-reduced-motion:reduce){
  .pd-thumb,.pd-tab,.pd-acc-item,.pd-acc-toggle::after{transition:none !important}
}