/* Okna Profi — hlavní stylopis */
:root{
  --primary: oklch(52% 0.13 250);
  --primary-dark: oklch(40% 0.12 250);
  --accent: oklch(58% 0.13 55);
  --bg: oklch(98% 0.006 250);
  --bg-alt: oklch(95% 0.01 250);
  --text: oklch(24% 0.02 255);
  --text-muted: oklch(45% 0.02 255);
  --text-soft: oklch(30% 0.02 255);
  --border: oklch(90% 0.01 255);
  --border-strong: oklch(85% 0.01 255);
  --footer-bg: oklch(22% 0.02 255);
  --footer-border: oklch(35% 0.01 255);
  --radius: 10px;
  --font-head: "Segoe UI", "Helvetica Neue", Arial, sans-serif;
  --font-body: "Segoe UI", Arial, sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;padding:0;background:var(--bg);color:var(--text);font-family:var(--font-body);line-height:1.55;min-height:100vh}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--primary-dark);text-decoration:underline}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--font-head);font-weight:800;margin:0}
ul{margin:0}
button{font-family:var(--font-body)}

@keyframes opRise{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
@keyframes opSlideUp{from{transform:translateY(100%)}to{transform:translateY(0)}}
.page-fade{animation:opRise .4s ease}

/* Topbar */
.topbar{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;padding:8px 24px;background:var(--primary-dark);color:#fff;font-size:13px}
.topbar a{color:#fff}
.topbar-contacts{display:flex;gap:16px;flex-wrap:wrap}

/* Header / nav */
.site-header{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;padding:16px 24px;background:#fff;border-bottom:1px solid var(--border);position:sticky;top:0;z-index:50}
.logo{font-family:var(--font-head);font-weight:800;font-size:22px;color:var(--text)}
.logo span{color:var(--primary)}
.nav{display:flex;gap:22px;flex-wrap:wrap;align-items:center;font-weight:600;font-size:15px}
.nav a{color:var(--text);padding:6px 2px}
.nav a:hover{text-decoration:none;color:var(--primary)}
.nav a.active{color:var(--primary)}
.cart-link{cursor:pointer;padding:6px 10px;position:relative;background:var(--bg-alt);border-radius:6px;color:var(--text)}
.cart-count{position:absolute;top:-6px;right:-6px;background:var(--accent);color:#fff;font-size:11px;border-radius:10px;padding:1px 6px;font-weight:700}
.nav-toggle{display:none;background:none;border:1px solid var(--border-strong);border-radius:6px;padding:8px 12px;font-weight:700;cursor:pointer}

/* Buttons */
.btn{display:inline-block;border:none;padding:14px 28px;border-radius:8px;font-weight:700;font-size:16px;cursor:pointer;font-family:var(--font-body);text-align:center}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{background:oklch(52% 0.14 55);color:#fff;text-decoration:none}
.btn-outline{background:#fff;color:var(--text);border:1px solid var(--border-strong)}
.btn-outline:hover{background:var(--bg-alt);text-decoration:none;color:var(--text)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none}
.btn-block{width:100%}
.btn-sm{padding:8px 16px;font-size:14px;border-radius:6px}
.btn-ghost{background:var(--bg-alt);border:none;padding:8px 16px;border-radius:6px;font-weight:700;cursor:pointer;font-size:14px}

/* Sections */
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:900px;margin:0 auto;padding:0 24px}
.container-tight{max-width:820px;margin:0 auto;padding:0 24px}
section{padding:56px 24px}
.section-alt{background:var(--bg-alt)}

/* Hero */
.hero{padding:clamp(48px,9vw,96px) 24px;text-align:center;background:linear-gradient(180deg,var(--bg-alt),var(--bg)),var(--bg);position:relative}
.hero-inner{max-width:820px;margin:0 auto;position:relative;z-index:1}
.hero-bg{position:absolute;inset:0;overflow:hidden;z-index:0;opacity:.16}
.hero-bg img{width:100%;height:100%;object-fit:cover}
.eyebrow{font-weight:700;color:var(--primary);letter-spacing:.06em;text-transform:uppercase;font-size:13px;margin-bottom:12px}
.hero h1{font-size:clamp(30px,5vw,52px);margin:0 0 18px;line-height:1.15}
.hero p{font-size:18px;color:var(--text-muted);max-width:620px;margin:0 auto 28px}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-stats{margin-top:28px;font-size:14px;color:var(--text-muted);font-weight:600}

/* Cards grid */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px}
.grid-cat{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}
.grid-testi{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.grid-steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.grid-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px}
.card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.card-icon{width:36px;height:36px;border-radius:8px;background:var(--primary);margin-bottom:14px}
.card-icon.round{border-radius:50%;background:var(--accent)}
.card-icon.diamond{transform:rotate(45deg)}
.card-title{font-weight:700;font-family:var(--font-head);margin-bottom:6px}
.card-text{color:var(--text-muted);font-size:15px}

.cat-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.cat-card img{height:150px;width:100%;object-fit:cover}
.cat-card .body{padding:18px}

h2.section-title{font-size:28px;text-align:center;margin-bottom:32px}
h2.section-title-sm{font-size:24px;margin-bottom:16px;text-align:center}

/* Process steps */
.step{text-align:center}
.step-num{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-family:var(--font-head);margin:0 auto 12px}
.step-title{font-weight:700;margin-bottom:6px}
.step-text{color:var(--text-muted);font-size:14px}

/* Testimonials */
.testi{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.stars{color:var(--accent);font-weight:800;margin-bottom:10px}
.testi-text{font-size:15px;color:var(--text-soft);margin-bottom:14px}
.testi-name{font-weight:700;font-size:14px}

/* Coverage tags */
.tags{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;max-width:800px;margin:0 auto}
.tag{background:#fff;border:1px solid var(--border);border-radius:20px;padding:6px 14px;font-size:14px}

/* FAQ */
.faq-item{border-bottom:1px solid var(--border)}
.faq-item summary{padding:16px 4px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-weight:700}
.faq-item[open] summary::after{content:"–"}
.faq-item .faq-a{color:var(--text-muted);font-size:15px;padding:0 4px 16px}

/* CTA band */
.cta-band{padding:56px 24px;text-align:center;background:var(--primary-dark);color:#fff}
.cta-band h2{margin-bottom:10px}
.cta-band p{opacity:.85;margin-bottom:22px}

/* Catalog */
.tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px}
.tab-btn{border:1px solid var(--border-strong);background:#fff;color:var(--text);padding:10px 18px;border-radius:20px;font-weight:700;cursor:pointer;font-size:14px}
.tab-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}
.tab-panel{display:none}
.tab-panel.active{display:block}

.product-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.product-card img{height:160px;width:100%;object-fit:cover}
.product-card .body{padding:18px}
.product-price{font-weight:800;color:var(--primary-dark);margin-bottom:12px}
.feature-tags{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.feature-tag{background:var(--bg-alt);border-radius:12px;padding:4px 10px;font-size:12px;color:var(--text-soft)}

/* Forms */
.form-stack{display:flex;flex-direction:column;gap:14px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
input[type=text],input[type=tel],input[type=email],select,textarea{padding:10px 12px;border:1px solid var(--border-strong);border-radius:6px;font-family:var(--font-body);font-size:15px;width:100%}
textarea{resize:vertical}
.checkbox-line{font-size:13px;color:var(--text-muted);display:flex;gap:8px;align-items:flex-start}
.checkbox-line input{margin-top:3px}
.radio-row{display:flex;gap:20px;font-size:14px}
.radio-row label{display:flex;gap:6px;align-items:center}
.notice-box{background:var(--bg-alt);border-radius:6px;padding:10px 12px;font-size:14px}
.success-box{text-align:center;padding:20px 0}
.success-box .check{font-size:40px;margin-bottom:12px;color:var(--primary)}

/* Table */
.price-table{display:grid;grid-template-columns:1fr auto;gap:10px 20px;font-size:15px}
.price-table .amt{font-weight:700}

/* Stats */
.stat{text-align:center;background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.stat .num{font-size:28px;font-weight:800;font-family:var(--font-head);color:var(--primary)}
.stat .label{font-size:13px;color:var(--text-muted)}

/* Cart */
.cart-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:16px;display:flex;gap:16px;align-items:center;flex-wrap:wrap}
.cart-item img{width:60px;height:60px;object-fit:cover;border-radius:6px;flex-shrink:0}
.cart-item .info{flex:1;min-width:140px}
.qty-ctl{display:flex;align-items:center;gap:8px}
.qty-ctl button{width:28px;height:28px;border:1px solid var(--border-strong);background:#fff;border-radius:6px;cursor:pointer}
.qty-ctl .qty{min-width:24px;text-align:center;font-weight:700}
.line-total{font-weight:800;min-width:90px;text-align:right}
.remove-link{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:13px;text-decoration:underline}
.cart-summary{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.summary-row{display:flex;justify-content:space-between;margin-bottom:8px}
.summary-total{display:flex;justify-content:space-between;font-weight:800;font-size:18px;border-top:1px solid var(--border);padding-top:10px;margin-top:6px}

/* Blog */
.blog-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px}
.blog-item summary{cursor:pointer;list-style:none}
.blog-item summary::-webkit-details-marker{display:none}
.blog-date{font-size:13px;color:var(--text-muted);margin-bottom:6px}
.blog-title{font-weight:700;font-family:var(--font-head);font-size:18px;margin-bottom:8px}
.blog-excerpt{color:var(--text-muted)}
.blog-body{margin-top:14px;padding-top:14px;border-top:1px solid var(--border);color:var(--text-soft)}
.blog-more{margin-top:12px;font-weight:700;color:var(--primary);font-size:14px}

/* Map / placeholder */
.map-frame{border:0;width:100%;height:260px;border-radius:var(--radius)}
.contact-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:22px;margin-bottom:20px}

/* Footer */
.site-footer{background:var(--footer-bg);color:oklch(85% 0.01 255);padding:48px 24px 20px}
.footer-grid{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:32px}
.footer-logo{font-family:var(--font-head);font-weight:800;font-size:20px;color:#fff;margin-bottom:10px}
.footer-logo span{color:var(--accent)}
.footer-col-title{font-weight:700;color:#fff;margin-bottom:10px}
.footer-links{display:flex;flex-direction:column;gap:6px;font-size:14px;opacity:.85}
.footer-links a{color:inherit}
.footer-bottom{max-width:1200px;margin:32px auto 0;padding-top:16px;border-top:1px solid var(--footer-border);font-size:13px;opacity:.6;text-align:center}

/* Cookie banner */
.cookie-banner{position:fixed;bottom:0;left:0;right:0;background:#fff;border-top:1px solid var(--border-strong);padding:18px 24px;display:flex;gap:16px;flex-wrap:wrap;align-items:center;justify-content:space-between;z-index:100;box-shadow:0 -4px 20px rgba(0,0,0,.08);animation:opSlideUp .3s ease}
.cookie-banner p{font-size:14px;max-width:600px;color:var(--text-soft);margin:0}
.cookie-actions{display:flex;gap:10px;flex-wrap:wrap}
.cookie-banner.hidden{display:none}

/* Legal */
.legal-body{color:var(--text-soft);line-height:1.9}
.legal-body h3{font-family:var(--font-head);margin-top:24px}

@media (max-width:760px){
  .nav{display:none;width:100%;flex-direction:column;align-items:flex-start;gap:4px;background:#fff;padding:12px 0 0}
  .nav.open{display:flex}
  .nav-toggle{display:inline-block}
  .site-header{position:sticky}
}