/* ===== CAPELLA OPTİK — Public site ===== */
:root{
  --primary:#0e4d6b; --primary-d:#0a3a51; --gold:#c9a24b; --gold-d:#b08d3c;
  --ink:#1c2530; --muted:#6a7683; --line:#e4e9ee; --bg:#f6f8fa; --white:#fff;
  --radius:12px; --shadow:0 6px 24px rgba(16,40,60,.08); --wrap:1180px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Segoe UI",system-ui,Arial,sans-serif;color:var(--ink);background:var(--white);line-height:1.6;font-size:16px}
a{color:var(--primary);text-decoration:none}
img{max-width:100%;display:block}
.container{max-width:var(--wrap);margin:0 auto;padding:0 20px}
main{min-height:60vh}
h1,h2,h3,h4{line-height:1.25;color:var(--ink)}
.btn{display:inline-block;background:var(--primary);color:#fff;padding:12px 26px;border-radius:8px;font-weight:600;border:none;cursor:pointer;transition:.2s;text-align:center}
.btn:hover{background:var(--primary-d)}
.btn-gold{background:var(--gold)}.btn-gold:hover{background:var(--gold-d)}
.btn-outline{background:transparent;border:2px solid var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:7px 14px;font-size:.85rem}
.text-center{text-align:center}

/* Header */
.topbar{background:var(--primary-d);color:#dce7ee;font-size:.82rem}
.topbar-inner{display:flex;justify-content:space-between;align-items:center;height:38px;overflow:hidden;white-space:nowrap}
.topbar a{color:#dce7ee}.topbar-right{display:flex;gap:18px;align-items:center}
.topbar-b2b{background:var(--gold);color:#fff!important;padding:3px 12px;border-radius:20px;font-weight:600}
.site-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 2px 12px rgba(0,0,0,.05)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:74px}
.main-nav{display:flex;gap:26px;align-items:center}
.main-nav a{color:var(--ink);font-weight:600;font-size:.95rem;padding:6px 0;border-bottom:2px solid transparent}
.main-nav a:hover,.main-nav a.active{color:var(--primary);border-color:var(--gold)}
.btn-nav{background:var(--primary);color:#fff!important;padding:9px 18px!important;border-radius:8px;border:none!important}
.btn-nav:hover{background:var(--primary-d)}
.nav-toggle{display:none;font-size:1.6rem;background:none;border:none;cursor:pointer;color:var(--primary)}

/* Hero slider */
.hero{position:relative;overflow:hidden;background:var(--primary)}
.slides{display:flex;transition:transform .6s ease}
.slide{min-width:100%;position:relative;height:460px;color:#fff}
.slide img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.slide-content{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:0 20px;height:100%;display:flex;flex-direction:column;justify-content:center;max-width:600px}
.slide-content{margin-left:max(20px,calc((100% - var(--wrap))/2 + 20px))}
.slide h2{font-size:2.6rem;margin-bottom:14px;text-shadow:0 2px 12px rgba(0,0,0,.3)}
.slide p{font-size:1.2rem;margin-bottom:24px;opacity:.95}
.slider-dots{position:absolute;bottom:18px;left:0;right:0;display:flex;gap:10px;justify-content:center;z-index:3}
.slider-dots button{width:12px;height:12px;border-radius:50%;border:none;background:rgba(255,255,255,.5);cursor:pointer}
.slider-dots button.on{background:var(--gold)}
.slider-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:3;background:rgba(0,0,0,.3);color:#fff;border:none;width:46px;height:46px;border-radius:50%;font-size:1.4rem;cursor:pointer}
.slider-arrow.prev{left:16px}.slider-arrow.next{right:16px}

/* Sections */
.section{padding:64px 0}
.section.alt{background:var(--bg)}
.section-head{text-align:center;max-width:640px;margin:0 auto 44px}
.section-head .eyebrow{color:var(--gold);font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:.8rem}
.section-head h2{font-size:2rem;margin:8px 0 10px}
.section-head p{color:var(--muted)}

/* Feature strip */
.features{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.feature{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px;text-align:center;transition:.2s}
.feature:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.feature .ico{font-size:2rem;margin-bottom:10px}
.feature h3{font-size:1.05rem;margin-bottom:6px}
.feature p{color:var(--muted);font-size:.9rem}

/* Product grid */
.grid{display:grid;gap:24px}
.grid-4{grid-template-columns:repeat(4,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:.2s;display:flex;flex-direction:column}
.card:hover{box-shadow:var(--shadow);transform:translateY(-4px)}
.card .thumb{aspect-ratio:1/1;background:#eef2f5;overflow:hidden}
.card .thumb img{width:100%;height:100%;object-fit:cover}
.card .body{padding:16px;flex:1;display:flex;flex-direction:column;gap:6px}
.card .brand-tag{color:var(--gold);font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:1px}
.card h3{font-size:1rem}
.card .code{color:var(--muted);font-size:.8rem}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:10px}
.badge{display:inline-block;background:#eef4f7;color:var(--primary);padding:2px 10px;border-radius:20px;font-size:.72rem;font-weight:700}
.badge-gold{background:#faf3e0;color:var(--gold-d)}
.price-hint{color:var(--muted);font-size:.82rem;font-style:italic}

/* Brands */
.brand-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.brand-item{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px;display:flex;align-items:center;justify-content:center;height:96px;transition:.2s}
.brand-item:hover{box-shadow:var(--shadow)}
.brand-item img{max-height:56px;filter:grayscale(1);opacity:.75;transition:.2s}
.brand-item:hover img{filter:none;opacity:1}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--primary),var(--primary-d));color:#fff;padding:56px 0;text-align:center}
.cta-band h2{font-size:2rem;margin-bottom:10px}
.cta-band p{opacity:.9;margin-bottom:24px}

/* Page header */
.page-head{background:linear-gradient(120deg,var(--primary),#14708f);color:#fff;padding:52px 0}
.page-head h1{font-size:2.2rem}
.breadcrumb{opacity:.85;font-size:.9rem;margin-top:6px}
.breadcrumb a{color:#fff}

/* Content / prose */
.prose{max-width:820px;margin:0 auto}
.prose h3{margin:24px 0 8px;color:var(--primary)}
.prose p{margin-bottom:14px;color:#333}
.prose img{border-radius:10px;margin:14px 0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.info-list{list-style:none;display:flex;flex-direction:column;gap:18px}
.info-list li{display:flex;gap:14px;align-items:flex-start}
.info-list .ico{font-size:1.4rem;color:var(--gold)}
.map-embed iframe{width:100%;height:320px;border:0;border-radius:var(--radius);margin-top:24px}

/* Forms */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-weight:600;margin-bottom:6px;font-size:.9rem}
.form-control,input[type=text],input[type=email],input[type=password],input[type=number],input[type=tel],select,textarea{
  width:100%;padding:11px 14px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
.form-control:focus,input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(14,77,107,.12)}
textarea{min-height:130px;resize:vertical}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}

/* Flash */
.flash-wrap{margin:16px auto}
.flash{padding:12px 18px;border-radius:8px;margin-bottom:10px;font-weight:600}
.flash-success{background:#e6f6ec;color:#1c7a44;border:1px solid #bfe6cd}
.flash-error{background:#fdeaea;color:#b23b3b;border:1px solid #f3c9c9}

/* Rating pill on home */
.rating-pill{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--ink);padding:8px 16px;border-radius:30px;box-shadow:var(--shadow);font-weight:600}
.stars{color:var(--gold)}

/* Footer */
.site-footer{background:#0c2029;color:#c3ccd2;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:34px;padding:52px 20px}
.footer-grid h4{color:#fff;margin-bottom:14px;font-size:1rem}
.footer-grid a{display:block;color:#aab6bd;padding:4px 0}
.footer-grid a:hover{color:var(--gold)}
.footer-grid p{color:#93a0a7;font-size:.9rem;margin-bottom:6px}
.social{display:flex;gap:10px;margin-top:14px}
.social a{width:36px;height:36px;border-radius:50%;background:#1a333d;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;text-transform:lowercase;font-size:.8rem}
.social a:hover{background:var(--gold)}
.footer-bottom{border-top:1px solid #1a333d;font-size:.85rem}
.footer-bottom .container{display:flex;justify-content:space-between;padding:16px 20px;flex-wrap:wrap;gap:8px}
.footer-bottom a{color:#aab6bd}

/* Empty state */
.empty{text-align:center;padding:60px 20px;color:var(--muted)}

/* Responsive */
@media(max-width:960px){
  .features,.grid-4{grid-template-columns:repeat(2,1fr)}
  .brand-grid{grid-template-columns:repeat(3,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .nav-toggle{display:block}
  .main-nav{display:none;position:absolute;top:74px;left:0;right:0;background:#fff;flex-direction:column;padding:16px 20px;box-shadow:var(--shadow);gap:4px}
  body.nav-open .main-nav{display:flex}
  .main-nav a{width:100%;padding:10px 0;border-bottom:1px solid var(--line)}
  .grid-4,.grid-3,.grid-2,.features,.form-grid{grid-template-columns:1fr}
  .brand-grid{grid-template-columns:repeat(2,1fr)}
  .slide h2{font-size:1.8rem}.slide{height:380px}
  .topbar-inner span:first-child{display:none}
}