/* Periny Úsvit — Constructivist poster design system */
@media (prefers-reduced-motion:no-preference){:root{--motion:1}}

:root{
  --forest:#1f3326;
  --forest-dark:#14221a;
  --bone:#efe9d8;
  --bone-dim:#e3dcc6;
  --brass:#b08a4e;
  --brass-dark:#8a6a38;
  --ink:#1a1a16;
  --red:#9c3b2e;
  --radius:2px;
  --maxw:1180px;
  --font-display:"Futura PT","Century Gothic","Arial Narrow",ui-sans-serif,sans-serif;
  --font-body:"Georgia","Iowan Old Style",ui-serif,serif;
  --font-mono:"JetBrains Mono",ui-monospace,Consolas,monospace;
  --shadow-paper:0 10px 30px rgba(20,34,26,.25), 0 2px 6px rgba(20,34,26,.15);
}

*,*::before,*::after{box-sizing:border-box}
html,body{overflow-x:clip}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bone);color:var(--ink);font-family:var(--font-body);font-size:1rem;line-height:1.55}
img{max-width:100%;display:block}
a{color:inherit}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 1.25rem}
h1,h2,h3,h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.01em;line-height:1.05;margin:0 0 .5em;font-weight:700}
h1{font-size:clamp(2.4rem,6vw + 1rem,5.2rem)}
h2{font-size:clamp(1.6rem,3vw + .8rem,3rem)}
h3{font-size:clamp(1.2rem,1.4vw + .8rem,1.6rem)}
p{margin:0 0 1em}
:focus-visible{outline:3px solid var(--red);outline-offset:2px}

/* grain 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;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="200" height="200"><filter id="n"><feTurbulence type="fractalNoise" baseFrequency="0.85" numOctaves="2" stitchTiles="stitch"/></filter><rect width="100%25" height="100%25" filter="url(%23n)"/></svg>');
  background-size:220px 220px}

/* ===== buttons ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;position:relative;overflow:hidden;
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;font-size:.85rem;font-weight:700;
  padding:.9em 1.6em;border-radius:var(--radius);border:2px solid var(--forest);background:none;color:var(--forest);
  cursor:pointer;min-height:44px;text-decoration:none;transition:color .3s}
.btn span,.btn svg{position:relative;z-index:1}
.btn::before{content:"";position:absolute;inset:0;left:-100%;width:100%;background:var(--forest);transition:left .35s cubic-bezier(.2,.7,.3,1);z-index:0}
.btn:hover::before,.btn:focus-visible::before{left:0}
.btn:hover,.btn:focus-visible{color:var(--bone)}
.btn--brass{border-color:var(--brass-dark);color:var(--forest-dark);background:var(--brass)}
.btn--brass::before{background:var(--forest-dark)}
.btn--brass:hover,.btn--brass:focus-visible{color:var(--bone)}
.btn--ghost{border-color:var(--bone);color:var(--bone)}
.btn--ghost::before{background:var(--bone)}
.btn--ghost:hover,.btn--ghost:focus-visible{color:var(--forest-dark)}
.btn--dark{border-color:var(--bone);color:var(--forest-dark);background:var(--bone)}
.btn--dark::before{background:var(--forest-dark)}
.btn--dark:hover{color:var(--bone)}
.btn--block{width:100%}
.btn--sm{padding:.6em 1.1em;font-size:.75rem}

/* ===== header ===== */
.site-header{position:sticky;top:0;z-index:100;background:var(--bone);border-bottom:3px solid var(--forest)}
.site-header__bar{display:flex;align-items:center;justify-content:space-between;padding-block:.7rem;gap:1rem}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--forest-dark)}
.logo__mark{flex:none}
.logo__word{font-family:var(--font-display);font-weight:700;text-transform:uppercase;line-height:1.05;font-size:1.1rem;letter-spacing:.02em}
.logo__word em{font-style:normal;color:var(--brass-dark)}
.nav-toggle{display:none;background:none;border:none;color:var(--forest-dark);cursor:pointer;min-width:44px;min-height:44px}
.nav-close{display:none}
.site-nav{display:flex;align-items:center;gap:1.6rem}
.site-nav ul{list-style:none;display:flex;gap:1.4rem;margin:0;padding:0}
.site-nav a{text-decoration:none;font-family:var(--font-display);text-transform:uppercase;font-size:.82rem;letter-spacing:.05em;font-weight:700;color:var(--forest-dark);position:relative;padding-bottom:.2em}
.site-nav a::after{content:"";position:absolute;left:0;bottom:0;height:2px;width:0;background:var(--red);transition:width .25s}
.site-nav a:hover::after,.site-nav a.is-active::after{width:100%}
.site-nav a.is-active{color:var(--red)}
.cart-link{display:flex;align-items:center;gap:.4rem;text-decoration:none;color:var(--forest-dark);font-family:var(--font-display);font-weight:700;text-transform:uppercase;font-size:.82rem}
.cart-count{background:var(--red);color:var(--bone);border-radius:50%;min-width:1.4em;height:1.4em;display:inline-flex;align-items:center;justify-content:center;font-size:.75em;font-family:var(--font-mono)}
.cart-count.bump{animation:bump .4s ease}
@keyframes bump{0%{transform:scale(1)}40%{transform:scale(1.4)}100%{transform:scale(1)}}

@media (max-width:860px){
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-close{display:inline-flex;align-items:center;justify-content:center;position:absolute;top:1rem;right:1rem;background:none;border:none;color:var(--bone);cursor:pointer;min-width:44px;min-height:44px}
  .site-nav{position:fixed;top:0;right:0;height:100vh;width:min(320px,85vw);background:var(--forest-dark);flex-direction:column;align-items:flex-start;justify-content:center;gap:2rem;padding:2rem;
    transform:translateX(100%);visibility:hidden;transition:transform .35s ease,visibility .35s;z-index:200}
  .site-nav.is-open{transform:translateX(0);visibility:visible}
  .site-nav ul{flex-direction:column;gap:1.2rem}
  .site-nav a,.cart-link{color:var(--bone)}
}

/* ===== hero (home) ===== */
.hero{position:relative;overflow:hidden;background:var(--forest-dark);color:var(--bone);padding-block:3rem 5rem}
.hero__grid{display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;position:relative;z-index:2}
.hero__title{font-size:clamp(2.6rem,7vw,5.6rem);color:var(--bone);margin-bottom:.3em}
.hero__title em{font-style:normal;color:var(--brass)}
.hero__lede{font-family:var(--font-body);font-size:1.15rem;max-width:40ch;color:var(--bone-dim)}
.hero__art{position:relative;aspect-ratio:1/1}
.hero__layer{position:absolute;inset:0;transition:transform .9s cubic-bezier(.2,.8,.2,1)}
.hero__layer--photo{clip-path:polygon(8% 0,100% 10%,92% 100%,0 88%);overflow:hidden}
.hero__layer--photo img{width:100%;height:100%;object-fit:cover;filter:sepia(.2) saturate(1.1)}
.hero__layer--shape{mix-blend-mode:normal}
@media (prefers-reduced-motion:no-preference){
  body[data-page="index"] .hero__layer--shape{animation:drift 9s ease-in-out infinite}
}
@keyframes drift{0%,100%{transform:translate(0,0)}50%{transform:translate(-6px,8px)}}
@media (max-width:860px){.hero__grid{grid-template-columns:1fr}}

/* ===== reveal ===== */
.reveal{opacity:0;transform:translateY(24px)}
.reveal.in-view{opacity:1;transform:none;transition:opacity .7s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
.reveal--clip{clip-path:inset(0 0 100% 0)}
.reveal--clip.in-view{clip-path:inset(0 0 0 0);transition:clip-path .8s cubic-bezier(.2,.7,.2,1)}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1!important;transform:none!important;clip-path:none!important;transition:none!important}}
.stagger > *{transition-delay:calc(var(--i,0) * 90ms)}

/* ===== sections / generic ===== */
.section{padding-block:4rem}
.section--dark{background:var(--forest-dark);color:var(--bone)}
.section--bone-dim{background:var(--bone-dim)}
.section-head{max-width:60ch;margin-bottom:2.2rem}
.eyebrow{display:inline-block;font-family:var(--font-mono);text-transform:uppercase;letter-spacing:.15em;font-size:.75rem;color:var(--brass-dark);margin-bottom:.6em}
.section--dark .eyebrow{color:var(--brass)}

.divider{display:block;width:100%;height:auto}

/* ===== card stack (home signature composition) ===== */
.stack{position:relative;display:grid;place-items:center;min-height:60vh}
.stack__card{grid-column:1;grid-row:1;width:min(420px,86vw);background:var(--bone);border:2px solid var(--forest-dark);box-shadow:var(--shadow-paper);padding:1.6rem;border-radius:var(--radius);
  transition:transform .8s cubic-bezier(.2,.8,.2,1),box-shadow .4s}
.stack__card:nth-child(1){transform:rotate(-6deg) translate(0,0)}
.stack__card:nth-child(2){transform:rotate(-1deg) translate(6px,10px)}
.stack__card:nth-child(3){transform:rotate(4deg) translate(0,20px)}
.stack.is-fanned .stack__card:nth-child(1){transform:rotate(-10deg) translate(-130px,10px)}
.stack.is-fanned .stack__card:nth-child(2){transform:rotate(0deg) translate(0,-20px)}
.stack.is-fanned .stack__card:nth-child(3){transform:rotate(10deg) translate(130px,10px)}
.stack__card h3{font-size:1.1rem}
@media (prefers-reduced-motion:reduce){.stack__card{transition:none}}
@media (max-width:700px){.stack{min-height:auto;gap:1.2rem;display:flex;flex-direction:column}.stack__card,.stack.is-fanned .stack__card{transform:none!important}}

/* ===== compass tool (signature feature) ===== */
.compass{background:var(--bone);border:2px solid var(--forest-dark);border-radius:var(--radius);padding:2rem;box-shadow:var(--shadow-paper);position:relative}
.compass__grid{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.compass__group{display:flex;flex-direction:column;gap:.6rem}
.compass__group legend{font-family:var(--font-display);text-transform:uppercase;font-size:.85rem;letter-spacing:.05em;margin-bottom:.4rem}
.compass__option{display:flex;align-items:center;gap:.6rem;padding:.5rem .7rem;border:1px solid var(--bone-dim);border-radius:var(--radius);cursor:pointer;color:var(--ink)}
.compass__option:has(input:checked){border-color:var(--brass-dark);background:var(--bone-dim)}
.compass__option input{accent-color:var(--brass-dark)}
.compass__result{margin-top:1.6rem;padding:1.2rem;background:var(--forest-dark);color:var(--bone);border-radius:var(--radius)}
.compass__result strong{color:var(--brass);font-family:var(--font-display);font-size:1.3rem}
@media (max-width:700px){.compass__grid{grid-template-columns:1fr}}

/* ===== product strip / cards ===== */
.product-strip{display:grid;grid-auto-flow:column;grid-auto-columns:min(280px,76vw);gap:1.2rem;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:1rem}
.product-strip .product-card{scroll-snap-align:start}
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:1.4rem}
.product-card{background:var(--bone);border:1px solid var(--bone-dim);border-radius:var(--radius);overflow:hidden;text-decoration:none;color:var(--ink);display:flex;flex-direction:column;transition:transform .3s,box-shadow .3s}
.product-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-paper)}
.product-card__media{position:relative;aspect-ratio:4/3;overflow:hidden;background:var(--bone-dim)}
.product-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.product-card:hover .product-card__media img{transform:scale(1.08)}
.product-card__badge{position:absolute;top:.6rem;left:.6rem;background:var(--red);color:var(--bone);font-family:var(--font-mono);font-size:.7rem;text-transform:uppercase;padding:.25em .6em;border-radius:var(--radius)}
.product-card__body{padding:1rem;display:flex;flex-direction:column;gap:.4rem;flex:1}
.product-card__name{font-family:var(--font-display);font-size:1rem;text-transform:none;margin:0}
.product-card__price{font-family:var(--font-mono);font-weight:700;color:var(--forest-dark)}
.product-card__price del{color:#888;font-weight:400;margin-right:.4em}
.product-card__meta{font-size:.85rem;color:#555}

/* ===== page hero (inner pages) ===== */
.page-hero{background:var(--forest-dark);color:var(--bone);padding-block:3rem 3.4rem;position:relative;overflow:hidden}
.page-hero h1{color:var(--bone)}
.page-hero p{color:var(--bone-dim);max-width:60ch}

/* ===== breadcrumbs ===== */
.breadcrumbs{font-family:var(--font-mono);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em;display:flex;gap:.5em;flex-wrap:wrap;color:#666;margin-bottom:1rem}
.breadcrumbs a{text-decoration:none;color:var(--forest-dark)}
.breadcrumbs span{color:#999}

/* ===== prose (legal pages) ===== */
.prose{max-width:68ch;margin:0 auto}
.prose h2{font-size:1.4rem;margin-top:2em}
.prose h3{font-size:1.1rem;margin-top:1.4em;text-transform:none}
.prose p,.prose li{color:#333}
.prose ul,.prose ol{padding-left:1.4em}
.legal-toc{background:var(--bone-dim);border:1px solid var(--bone-dim);border-radius:var(--radius);padding:1.2rem 1.4rem;max-width:68ch;margin:0 auto 2rem}
.legal-toc h2{font-size:1rem;margin-top:0}
.legal-toc ol{margin:0;padding-left:1.2em}
.legal-toc a{text-decoration:none;color:var(--forest-dark)}
.legal-toc a:hover{text-decoration:underline}

/* ===== notice ===== */
.notice{border-left:3px solid var(--brass-dark);background:var(--bone-dim);padding:1rem 1.2rem;border-radius:var(--radius);margin:1.4rem 0}
.notice--error{border-color:var(--red)}

/* ===== forms ===== */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.field{display:flex;flex-direction:column;gap:.35rem}
.field--full{grid-column:1/-1}
.field label{font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em}
.field input,.field textarea,.field select{font-family:var(--font-body);font-size:1rem;padding:.7em .8em;border:1px solid var(--bone-dim);border-radius:var(--radius);background:#fff;accent-color:var(--brass-dark);min-height:44px}
.field textarea{min-height:120px;resize:vertical}
.field--error input,.field--error textarea{border-color:var(--red)}
.field-error{color:var(--red);font-size:.8rem}
.field-row{display:flex;gap:.6rem}
.field-row input{flex:1}
.form-msg{min-height:1.4em;font-size:.9rem}
.form-msg--ok{color:var(--forest-dark)}
.form-msg--error{color:var(--red)}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
@media (max-width:640px){.form-grid{grid-template-columns:1fr}}

/* ===== contact layout ===== */
.contact-layout{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.contact-info{display:flex;flex-direction:column;gap:1.2rem}
.contact-info__item{display:flex;gap:.8rem;align-items:flex-start}
.contact-info__item svg{flex:none;color:var(--brass-dark)}
@media (max-width:860px){.contact-layout{grid-template-columns:1fr}}

/* ===== faq ===== */
.faq{display:flex;flex-direction:column;gap:.8rem;max-width:70ch;margin:0 auto}
.faq-item{border:1px solid var(--bone-dim);border-radius:var(--radius);background:var(--bone);overflow:hidden}
.faq-item summary{cursor:pointer;list-style:none;padding:1rem 1.2rem;font-family:var(--font-display);text-transform:none;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:1rem}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--brass-dark);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(45deg)}
.faq-item__body{padding:0 1.2rem 1.1rem;color:#333}

/* ===== product detail ===== */
.product-detail{display:grid;grid-template-columns:1fr 1fr;gap:2.5rem}
.product-detail__media{aspect-ratio:4/3;overflow:hidden;border-radius:var(--radius);background:var(--bone-dim)}
.product-detail__media img{width:100%;height:100%;object-fit:cover}
.product-detail__price{font-family:var(--font-mono);font-size:1.6rem;font-weight:700;color:var(--forest-dark)}
.product-detail__qty{display:flex;align-items:center;gap:.6rem}
.product-detail__qty button{width:44px;height:44px;border:1px solid var(--bone-dim);background:var(--bone);border-radius:var(--radius);font-size:1.2rem;cursor:pointer}
.product-detail__qty input{width:3.5em;text-align:center;min-height:44px;border:1px solid var(--bone-dim);border-radius:var(--radius)}
@media (max-width:860px){.product-detail{grid-template-columns:1fr}}

/* ===== cart ===== */
.cart-table{width:100%;border-collapse:collapse}
.cart-table th,.cart-table td{text-align:left;padding:.8rem;border-bottom:1px solid var(--bone-dim);vertical-align:middle}
.cart-table img{width:64px;height:64px;object-fit:cover;border-radius:var(--radius)}
.cart-summary{background:var(--bone-dim);border-radius:var(--radius);padding:1.4rem;max-width:380px;margin-left:auto}
.cart-summary__row{display:flex;justify-content:space-between;padding:.4rem 0}
.cart-summary__row--total{font-weight:700;font-size:1.2rem;border-top:1px solid #ccc;margin-top:.5rem;padding-top:.8rem}

/* ===== badges / seals ===== */
.seal{display:inline-flex;align-items:center;gap:.5rem;font-family:var(--font-mono);font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--forest-dark)}

/* ===== utilities ===== */
.mt-0{margin-top:0}.mt-1{margin-top:1rem}.mt-2{margin-top:2rem}.mt-3{margin-top:3rem}
.mb-0{margin-bottom:0}.mb-1{margin-bottom:1rem}.mb-2{margin-bottom:2rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:2rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media (max-width:860px){.grid-2,.grid-3{grid-template-columns:1fr}}
.center{text-align:center}
.flex-center{display:flex;align-items:center;justify-content:center}

/* ===== toast ===== */
.toast{position:fixed;left:50%;bottom:1.4rem;transform:translate(-50%,12px);background:var(--forest-dark);color:var(--bone);padding:.8em 1.3em;border-radius:var(--radius);font-family:var(--font-mono);font-size:.85rem;opacity:0;transition:opacity .3s,transform .3s;z-index:400}
.toast--show{opacity:1;transform:translate(-50%,0)}

/* ===== footer ===== */
.site-footer{background:var(--forest-dark);color:var(--bone-dim);padding-top:1rem}
.footer-divider{width:100%;height:28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem;padding-block:2rem}
.footer-col h3{color:var(--bone);font-size:.85rem;margin-bottom:.8em}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5em}
.footer-col a{text-decoration:none;color:var(--bone-dim)}
.footer-col a:hover{color:var(--brass)}
.footer-logo{display:block;margin-bottom:.8rem;color:var(--bone)}
.footer-addr{display:flex;align-items:center;gap:.5em;font-size:.88rem}
.newsletter-form .form-msg{color:var(--brass)}
.footer-bottom{border-top:1px solid rgba(239,233,216,.15);padding-block:1rem;font-size:.82rem}
@media (max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}

/* ===== cookie banner ===== */
.cookie-banner{position:fixed;left:0;right:0;bottom:0;background:var(--forest-dark);color:var(--bone);z-index:500;border-top:3px solid var(--brass);box-shadow:0 -4px 16px rgba(0,0,0,.25)}
.cookie-banner__inner{display:flex;align-items:center;justify-content:space-between;gap:1.5rem;padding-block:1rem;flex-wrap:wrap}
.cookie-banner a{color:var(--brass);text-decoration:underline}
.cookie-banner__actions{display:flex;gap:.8rem;flex:none}

/* COMPONENTS: .btn - button base (+ --brass/--ghost/--dark/--block/--sm variants) with fill-sweep hover
   COMPONENTS: .site-header/.site-nav/.cart-link/.logo - header and navigation
   COMPONENTS: .hero/.hero__grid/.hero__title/.hero__art/.hero__layer - home hero with sliding paper layers
   COMPONENTS: .reveal/.reveal--clip/.in-view/.stagger - scroll reveal animation hooks
   COMPONENTS: .section/.section--dark/.section--bone-dim/.section-head/.eyebrow - generic section scaffolding
   COMPONENTS: .stack/.stack__card/.is-fanned - home signature card stack that fans on scroll
   COMPONENTS: .compass/.compass__grid/.compass__group/.compass__option/.compass__result - "Tepelný kompas" duvet finder tool
   COMPONENTS: .product-strip/.product-grid/.product-card - product listing cards (strip = mobile snap scroll)
   COMPONENTS: .page-hero - inner page header band
   COMPONENTS: .breadcrumbs - breadcrumb trail
   COMPONENTS: .prose/.legal-toc - long-form legal text + table of contents
   COMPONENTS: .notice/.notice--error - callout box
   COMPONENTS: .form-grid/.field/.field--full/.field--error/.field-error/.field-row/.form-msg/.hp - form layout + validation
   COMPONENTS: .contact-layout/.contact-info - contact page split layout
   COMPONENTS: .faq/.faq-item - details/summary FAQ accordion
   COMPONENTS: .product-detail/.product-detail__qty - single product page layout
   COMPONENTS: .cart-table/.cart-summary - cart/checkout tables
   COMPONENTS: .seal - small inline badge label
   COMPONENTS: .grid-2/.grid-3/.mt-*/.mb-*/.center/.flex-center - spacing/layout utilities
   COMPONENTS: .toast - transient feedback message
   COMPONENTS: .site-footer/.footer-grid/.footer-col/.newsletter-form - footer layout
   COMPONENTS: .cookie-banner - cookie consent banner */