/* Patchworka — Herbarium specimen design system */
:root{
  --paper:#f6ead9;
  --paper-deep:#efe0c7;
  --ink:#3f3a34;
  --ink-soft:#6b6257;
  --rose:#d98a8a;
  --sage:#8aab8f;
  --mustard:#e3b96a;
  --denim:#7b94b8;
  --line:#c9b896;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(63,58,52,.35);
  --serif:Georgia,"Iowan Old Style","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  font-size:16px;line-height:1.55;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
h1,h2,h3,h4{font-family:var(--serif);font-weight:600;margin:0 0 .5em;line-height:1.1}
p{margin:0 0 1em}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}
:focus-visible{outline:3px solid var(--denim);outline-offset:2px;border-radius:4px}
@media (prefers-reduced-motion: reduce){*{animation-duration:.01ms !important;transition-duration:.01ms !important;scroll-behavior:auto !important}}

/* grain texture overlay */
.grain{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:999;opacity:.045;mix-blend-mode:multiply;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--line)}
.site-header__inner{display:flex;align-items:center;gap:24px;padding:14px 20px}
.logo{display:flex;align-items:center;gap:10px;margin-right:auto}
.logo__mark{width:40px;height:40px;flex:0 0 auto}
.logo__word{width:150px;height:24px;flex:0 0 auto}
.nav{display:flex;gap:22px;font-size:.95rem}
.nav a{position:relative;padding:4px 0;color:var(--ink-soft)}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--rose);transition:width .25s ease}
.nav a:hover::after,.nav a.is-active::after{width:100%}
.nav a.is-active{color:var(--ink)}
.header-actions{display:flex;align-items:center;gap:14px}
.cart-link{position:relative;display:flex;align-items:center}
.cart-count{position:absolute;top:-8px;right:-10px;background:var(--rose);color:#fff;border-radius:50%;min-width:18px;height:18px;font-size:.7rem;display:flex;align-items:center;justify-content:center;padding:0 3px}
.cart-link.bump .cart-count{animation:bump .4s ease}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.5)}100%{transform:scale(1)}}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;min-width:44px;min-height:44px}
.burger span{width:22px;height:2px;background:var(--ink);display:block}

@media (max-width:860px){
  .nav{position:fixed;top:0;right:0;height:100vh;width:min(78vw,320px);background:var(--paper-deep);
    flex-direction:column;padding:90px 28px;gap:22px;box-shadow:var(--shadow);
    transform:translateX(100%);visibility:hidden;transition:transform .3s ease;}
  .nav.is-open{transform:translateX(0);visibility:visible}
  .burger{display:flex}
}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 24px;border-radius:999px;border:1px solid var(--ink);
  font-family:var(--sans);font-size:.95rem;font-weight:600;cursor:pointer;background:transparent;color:var(--ink);min-height:44px;
  position:relative;overflow:hidden;isolation:isolate;transition:color .3s ease}
.btn::before{content:"";position:absolute;inset:0;left:-100%;width:100%;background:var(--ink);z-index:-1;transition:left .35s ease}
.btn:hover::before,.btn:focus-visible::before{left:0}
.btn:hover{color:var(--paper)}
.btn--sweep{background:var(--rose);border-color:var(--rose);color:#fff}
.btn--sweep::before{background:var(--ink)}
.btn--sweep:hover{color:#fff}
.btn--ghost{border-color:var(--ink-soft);color:var(--ink)}
.btn--dark{border-color:var(--paper);color:var(--paper)}
.btn--dark::before{background:var(--paper)}
.btn--dark:hover{color:var(--ink)}
.btn--sm{padding:8px 16px;font-size:.85rem;min-height:36px}
.btn[disabled]{opacity:.6;cursor:default}

/* ===== hero / home ===== */
.hero{position:relative;padding:60px 0 40px;overflow:hidden}
.hero__grid{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:center}
.hero h1{font-size:clamp(2.4rem,5.5vw,4.2rem);letter-spacing:-.01em}
.hero__lede{font-size:1.15rem;color:var(--ink-soft);max-width:34ch}
.hero__actions{display:flex;gap:14px;margin-top:22px;flex-wrap:wrap}
.hero__art{position:relative;aspect-ratio:1/1}
.hero__photo{position:absolute;inset:8% 10%;width:82%;height:82%;object-fit:cover;border-radius:var(--radius);box-shadow:var(--shadow);
  filter:sepia(.15) saturate(1.05)}
.hero__route{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.hero__route path{fill:none;stroke:var(--denim);stroke-width:2;stroke-dasharray:6 7;stroke-linecap:round;
  stroke-dashoffset:400;animation:dash 3.5s ease forwards}
.hero__route circle{fill:var(--rose);opacity:0;animation:pin-in .5s ease forwards}
.hero__route circle:nth-of-type(2){animation-delay:1.1s}
.hero__route circle:nth-of-type(3){animation-delay:2.2s}
.hero__route circle:nth-of-type(4){animation-delay:3.2s}
@keyframes dash{to{stroke-dashoffset:0}}
@keyframes pin-in{from{opacity:0;transform:scale(0) translateY(-6px)}to{opacity:1;transform:scale(1) translateY(0)}}
@media (max-width:860px){.hero__grid{grid-template-columns:1fr}.hero__art{order:-1}}

/* ===== specimen label ===== */
.label{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--ink-soft);border:1px solid var(--line);border-radius:999px;padding:5px 14px;background:rgba(255,255,255,.4)}

/* ===== section dividers / decorative svg ===== */
.divider{width:100%;height:28px;color:var(--line)}
.divider path{stroke:currentColor;stroke-width:1.4;fill:none}
.ornament{display:block;margin:0 auto 18px;color:var(--rose)}

/* ===== accordion (home composition) ===== */
.accordion{border-top:1px solid var(--line)}
.accordion-item{border-bottom:1px solid var(--line)}
.accordion-item__head{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%;background:none;border:0;
  text-align:left;padding:22px 4px;cursor:pointer;font-family:var(--serif);font-size:1.3rem;color:var(--ink)}
.accordion-item__plus{position:relative;width:22px;height:22px;flex:0 0 auto}
.accordion-item__plus::before,.accordion-item__plus::after{content:"";position:absolute;background:var(--ink);transition:transform .3s ease}
.accordion-item__plus::before{top:50%;left:0;width:100%;height:2px;transform:translateY(-1px)}
.accordion-item__plus::after{left:50%;top:0;height:100%;width:2px;transform:translateX(-1px)}
.accordion-item.is-open .accordion-item__plus::after{transform:translateX(-1px) scaleY(0)}
.accordion-item__panel{max-height:0;overflow:hidden;transition:max-height .35s ease}
.accordion-item__panel-inner{padding:0 4px 26px;color:var(--ink-soft);max-width:68ch}
.accordion-item.is-open .accordion-item__panel{max-height:600px}

/* ===== scroll reveal ===== */
.reveal{opacity:1;transform:none}
.reveal.js-armed{opacity:0;transform:translateY(24px) scale(.98);clip-path:inset(8% 0 0 0);transition:opacity .6s ease,transform .6s ease,clip-path .6s ease}
.reveal.js-armed.in-view{opacity:1;transform:none;clip-path:inset(0 0 0 0)}
.reveal.js-armed:nth-child(2){transition-delay:.08s}
.reveal.js-armed:nth-child(3){transition-delay:.16s}
.reveal.js-armed:nth-child(4){transition-delay:.24s}

/* ===== cards / product strip ===== */
.strip{display:flex;gap:18px;overflow-x:auto;padding:6px 2px 20px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.strip::-webkit-scrollbar{height:6px}
.card{flex:0 0 auto;width:min(78vw,280px);scroll-snap-align:start;background:var(--paper-deep);border-radius:var(--radius);
  box-shadow:var(--shadow);overflow:hidden;transition:transform .3s ease;display:flex;flex-direction:column}
.card:hover{transform:translateY(-6px)}
.card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--line)}
.card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card__media img{transform:scale(1.08)}
.card__body{padding:16px 16px 20px;display:flex;flex-direction:column;gap:6px;flex:1}
.card__tag{font-family:var(--mono);font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-soft)}
.card__title{font-family:var(--serif);font-size:1.1rem;margin:0}
.card__price{margin-top:auto;font-weight:700}
.card__price del{color:var(--ink-soft);font-weight:400;margin-right:6px}
.grid-auto{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px}

/* ===== signature feature: Skládačka vzorů (pattern mixer) ===== */
.mixer{background:var(--paper-deep);border-radius:24px;padding:36px;box-shadow:var(--shadow)}
.mixer__layout{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:start}
.mixer__board{display:grid;grid-template-columns:repeat(5,1fr);gap:6px;aspect-ratio:1/1;border:6px solid var(--paper);border-radius:10px;overflow:hidden}
.mixer__cell{width:100%;height:100%;border:0;cursor:pointer;transition:transform .15s ease}
.mixer__cell:hover{transform:scale(1.06);z-index:2}
.mixer__swatches{display:flex;gap:10px;margin:18px 0;flex-wrap:wrap}
.mixer__swatch{width:38px;height:38px;border-radius:8px;border:2px solid transparent;cursor:pointer;padding:0}
.mixer__swatch.is-active{border-color:var(--ink)}
.mixer__actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
@media (max-width:760px){.mixer__layout{grid-template-columns:1fr}}

/* ===== page hero (inner pages) ===== */
.page-hero{padding:48px 0 32px;border-bottom:1px solid var(--line);background:var(--paper-deep)}
.page-hero h1{font-size:clamp(2rem,4vw,2.8rem)}
.page-hero__lede{color:var(--ink-soft);max-width:60ch}

/* ===== breadcrumbs ===== */
.breadcrumbs{display:flex;gap:8px;font-size:.85rem;color:var(--ink-soft);margin-bottom:14px;flex-wrap:wrap}
.breadcrumbs a{text-decoration:underline}
.breadcrumbs span[aria-hidden]{color:var(--line)}

/* ===== prose (legal pages) ===== */
.prose{max-width:68ch;margin:0 auto;padding:48px 20px 80px}
.prose h2{margin-top:2em;font-size:1.5rem}
.prose h3{font-size:1.15rem;margin-top:1.6em}
.prose ul,.prose ol{padding-left:1.3em}
.prose li{margin-bottom:.5em}
.legal-toc{background:var(--paper-deep);border-radius:var(--radius);padding:20px 24px;margin:0 auto 10px;max-width:68ch}
.legal-toc h2{margin-top:0;font-size:1rem;text-transform:uppercase;letter-spacing:.08em;font-family:var(--sans)}
.legal-toc ol{margin:0;padding-left:1.2em}

/* ===== notice ===== */
.notice{border-radius:var(--radius);padding:16px 20px;border:1px solid var(--line);background:var(--paper-deep);margin:0 0 20px}
.notice--info{border-color:var(--denim)}
.notice--success{border-color:var(--sage);background:#e7efe8}
.notice--error{border-color:var(--rose);background:#f6e3e3}

/* ===== forms ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;max-width:640px}
.form-grid .field--full{grid-column:1/-1}
@media (max-width:600px){.form-grid{grid-template-columns:1fr}}
.field{display:flex;flex-direction:column;gap:6px;font-size:.9rem}
.field label{font-weight:600}
.field input,.field select,.field textarea{
  font:inherit;padding:11px 14px;border:1px solid var(--line);border-radius:8px;background:#fff;color:var(--ink);
  accent-color:var(--rose);min-height:44px}
.field textarea{min-height:120px;resize:vertical}
.field-error{color:#b03a3a;font-size:.8rem;min-height:1.1em}
.hp{position:absolute;left:-9999px;opacity:0}
.form-msg{min-height:1.4em;font-size:.9rem}
.form-msg--ok{color:#2f6b3a}
.form-msg--err{color:#b03a3a}
.newsletter-form{display:flex;gap:8px;flex-wrap:wrap}
.newsletter-form input[type=email]{flex:1;min-width:160px}

/* ===== contact layout ===== */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:40px;padding:48px 0 80px}
.contact-layout .wrap{display:contents}
@media (max-width:800px){.contact-layout{grid-template-columns:1fr}}
.contact-info{display:flex;flex-direction:column;gap:14px}
.contact-info__row{display:flex;gap:10px;align-items:flex-start}

/* ===== FAQ ===== */
.faq{max-width:68ch;margin:0 auto;padding:48px 20px 80px;display:flex;flex-direction:column;gap:10px}
.faq-item{border:1px solid var(--line);border-radius:12px;background:var(--paper-deep);overflow:hidden}
.faq-item summary{padding:16px 20px;cursor:pointer;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:12px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.3rem}
.faq-item[open] summary::after{content:"–"}
.faq-item p{padding:0 20px 18px;margin:0;color:var(--ink-soft)}

/* ===== product detail ===== */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:48px;padding:48px 0 80px}
@media (max-width:800px){.product-detail{grid-template-columns:1fr}}
.product-detail__media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);aspect-ratio:4/3}
.product-detail__media img{width:100%;height:100%;object-fit:cover}
.product-detail__price{font-size:1.6rem;font-weight:700;margin:10px 0}
.product-detail__price del{color:var(--ink-soft);font-weight:400;font-size:1.1rem;margin-right:8px}
.product-detail__meta{color:var(--ink-soft);font-size:.9rem}
.qty-stepper{display:inline-flex;align-items:center;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.qty-stepper button{min-width:40px;min-height:40px;border:0;background:none;cursor:pointer;font-size:1.1rem}
.qty-stepper input{width:44px;text-align:center;border:0;background:none;font:inherit}

/* ===== cart ===== */
.cart-table{width:100%;border-collapse:collapse;margin-bottom:24px}
.cart-table th{text-align:left;font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--ink-soft);padding:8px 10px;border-bottom:1px solid var(--line)}
.cart-table td{padding:14px 10px;border-bottom:1px solid var(--line);vertical-align:middle}
.cart-table__product{display:flex;gap:12px;align-items:center}
.cart-table__product img{width:60px;height:60px;object-fit:cover;border-radius:8px}
.cart-summary{max-width:360px;margin-left:auto;background:var(--paper-deep);border-radius:var(--radius);padding:22px 24px}
.cart-summary__row{display:flex;justify-content:space-between;padding:6px 0}
.cart-summary__row--total{font-weight:700;font-size:1.1rem;border-top:1px solid var(--line);margin-top:8px;padding-top:12px}
.cart-empty{padding:60px 0;text-align:center;color:var(--ink-soft)}

/* ===== utilities ===== */
.u-mt-0{margin-top:0}.u-mt-1{margin-top:12px}.u-mt-2{margin-top:24px}.u-mt-3{margin-top:48px}
.u-mb-0{margin-bottom:0}.u-mb-1{margin-bottom:12px}.u-mb-2{margin-bottom:24px}.u-mb-3{margin-bottom:48px}
.u-center{text-align:center}
.u-section{padding:64px 0}
.u-flex{display:flex;gap:16px;flex-wrap:wrap}
.u-flex--center{align-items:center}
.u-flex--between{justify-content:space-between}

/* ===== 404 ===== */
.notfound{padding:100px 0;text-align:center}
.notfound h1{font-size:clamp(3rem,10vw,6rem)}

/* ===== footer ===== */
.site-footer{background:var(--ink);color:var(--paper);padding:56px 0 0;margin-top:40px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px;padding-bottom:40px}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{display:flex;gap:10px;align-items:flex-start}
.footer-brand p{color:#d9d2c4;font-size:.9rem}
.footer-col h3{font-family:var(--sans);font-size:.85rem;text-transform:uppercase;letter-spacing:.08em;color:#d9d2c4;margin-bottom:12px}
.footer-col a{display:block;padding:4px 0;color:var(--paper);opacity:.85}
.footer-col a:hover{opacity:1;text-decoration:underline}
.footer-newsletter p{color:#d9d2c4;font-size:.9rem}
.footer-newsletter input{border-radius:8px;border:1px solid #6b6257;padding:10px 12px;background:#4a453e;color:var(--paper);min-height:44px}
.footer-mail{display:flex;gap:8px;align-items:center;margin-top:10px;color:var(--paper);opacity:.9}
.footer-bottom{border-top:1px solid #5a554c;padding:18px 20px;font-size:.85rem;color:#c9c1b2}

/* ===== cookie banner ===== */
.cookie-banner{position:fixed;left:16px;right:16px;bottom:16px;z-index:200;background:var(--ink);color:var(--paper);
  border-radius:var(--radius);padding:18px 22px;display:flex;gap:18px;align-items:center;justify-content:space-between;
  flex-wrap:wrap;box-shadow:var(--shadow);max-width:720px;margin:0 auto}
.cookie-banner a{text-decoration:underline;color:var(--paper)}
.cookie-banner__actions{display:flex;gap:10px}
.cookie-banner .btn--ghost{color:var(--paper);border-color:var(--paper)}

/* COMPONENTS: .class - what it is
.wrap - centered max-width content container
.site-header / .nav / .cart-link / .burger - global header & navigation
.btn / .btn--sweep / .btn--ghost / .btn--dark / .btn--sm - button variants with fill-sweep hover
.hero / .hero__grid / .hero__art / .hero__photo / .hero__route - home hero with pin-drop SVG route animation
.label - small specimen-label tag chip
.divider / .ornament - decorative SVG section dividers and ornaments
.accordion / .accordion-item / .accordion-item__head / .accordion-item__panel - home expanding panels
.reveal / .js-armed / .in-view - scroll reveal animation hooks
.strip - horizontal scroll-snap card strip (mobile product strip)
.card / .card__media / .card__body / .card__tag / .card__title / .card__price - product/content card
.grid-auto - responsive auto-fit grid
.mixer / .mixer__board / .mixer__cell / .mixer__swatches / .mixer__swatch - signature pattern-mixer feature
.page-hero / .page-hero__lede - inner page hero banner
.breadcrumbs - breadcrumb navigation trail
.prose - readable long-form legal/article text column
.legal-toc - table of contents box for legal pages
.notice / .notice--info / .notice--success / .notice--error - callout message boxes
.form-grid / .field / .field-error / .hp / .form-msg - form layout, fields, errors, honeypot, status message
.contact-layout / .contact-info / .contact-info__row - two-column contact page layout
.faq / .faq-item - details/summary FAQ accordion list
.product-detail / .product-detail__media / .product-detail__price / .qty-stepper - product page layout
.cart-table / .cart-summary / .cart-empty - cart/checkout table and summary box
.notfound - 404 page layout
.site-footer / .footer-grid / .footer-col / .footer-newsletter - global footer
.cookie-banner - fixed bottom cookie consent banner
.u-mt-* / .u-mb-* / .u-center / .u-section / .u-flex - spacing & layout utilities
*/