/* Kováčňa Iskra — editorial forge style */

:root{
  --ink:#1c1a17;
  --graphite:#2b2b2a;
  --graphite-2:#3a3836;
  --paper:#f3eee3;
  --paper-2:#e9e1d1;
  --copper:#bd5f2c;
  --ember:#e2672a;
  --mustard:#cf9a3e;
  --teal:#32504a;
  --teal-2:#223b36;
  --line: rgba(28,26,23,.14);
  --line-dark: rgba(243,238,227,.18);
  --radius: 2px;
  --serif: Georgia, "Iowan Old Style", "Palatino Linotype", "Book Antiqua", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "SF Mono", "Consolas", "Liberation Mono", monospace;
  --maxw: 1240px;
  --dur: .5s;
}

@media (prefers-reduced-motion: reduce){
  *, *::before, *::after{ animation-duration:.001ms !important; animation-iteration-count:1 !important; transition-duration:.001ms !important; scroll-behavior:auto !important; }
}

*{ box-sizing:border-box; }
html,body{ overflow-x:clip; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:16px;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ font-family:var(--serif); font-weight:700; line-height:1.05; margin:0 0 .4em; letter-spacing:-.01em; }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; }
button{ font-family:inherit; }

.wrap{ max-width:var(--maxw); margin:0 auto; padding:0 24px; }

.visually-hidden{ position:absolute !important; width:1px; height:1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; }

/* Honeypot */
.hp{ position:absolute; left:-9999px; top:-9999px; opacity:0; height:0; width:0; }

/* ---------- Reveal ---------- */
.reveal{ opacity:1; }
.reveal.js-hidden{ opacity:0; transform:translateY(24px); clip-path: inset(0 0 12% 0); }
.reveal.in-view{ opacity:1; transform:none; clip-path: inset(0 0 0 0); transition: opacity .7s ease, transform .7s cubic-bezier(.2,.7,.2,1), clip-path .7s cubic-bezier(.2,.7,.2,1); }
.reveal[data-d="1"]{ transition-delay:.08s; }
.reveal[data-d="2"]{ transition-delay:.16s; }
.reveal[data-d="3"]{ transition-delay:.24s; }
.reveal[data-d="4"]{ transition-delay:.32s; }

/* ---------- Grain overlay ---------- */
.grain{ position:fixed; inset:0; width:100vw; height:100vh; pointer-events:none; z-index:2; opacity:.05; mix-blend-mode:overlay; }
.grain svg{ width:100%; height:100%; }

/* ---------- Skip link ---------- */
.skip-link{ position:absolute; left:-9999px; top:0; background:var(--ember); color:#fff; padding:10px 16px; z-index:200; }
.skip-link:focus{ left:8px; top:8px; }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:100;
  background:var(--ink); color:var(--paper);
  border-bottom:1px solid var(--line-dark);
}
.site-header .wrap{ display:flex; align-items:center; justify-content:space-between; gap:20px; height:76px; }
.brand{ display:flex; align-items:center; gap:10px; }
.brand svg.mark{ width:40px; height:40px; flex:none; }
.brand svg.word{ width:150px; height:24px; }
.brand .word-fallback{ display:none; }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{ position:relative; font-size:.92rem; letter-spacing:.02em; text-transform:uppercase; padding:6px 0; }
.main-nav a::after{ content:""; position:absolute; left:0; bottom:0; height:2px; width:0; background:var(--ember); transition:width .3s ease; }
.main-nav a:hover::after, .main-nav a.active::after{ width:100%; }

.header-actions{ display:flex; align-items:center; gap:18px; }
.cart-link{ display:flex; align-items:center; gap:8px; border:1px solid var(--line-dark); padding:8px 14px; border-radius:999px; }
.cart-link svg{ width:18px; height:18px; }
.cart-count{ font-family:var(--mono); font-size:.85rem; background:var(--ember); color:#fff; border-radius:999px; min-width:20px; height:20px; display:inline-flex; align-items:center; justify-content:center; padding:0 5px; transition: transform .35s cubic-bezier(.2,2,.4,1); }
.cart-count.bump{ transform:scale(1.4); }

.nav-toggle{ display:none; background:none; border:1px solid var(--line-dark); color:var(--paper); width:44px; height:44px; align-items:center; justify-content:center; border-radius:4px; }
.nav-toggle svg{ width:20px; height:20px; }

@media (max-width: 860px){
  .main-nav{
    position:fixed; inset:76px 0 0 auto; right:0; width:min(320px,86vw); height:calc(100vh - 76px);
    background:var(--ink); flex-direction:column; align-items:flex-start; gap:4px; padding:24px;
    transform:translateX(100%); visibility:hidden; transition:transform .35s ease, visibility .35s ease;
    border-left:1px solid var(--line-dark); overflow-y:auto; z-index:150;
  }
  .main-nav.open{ transform:translateX(0); visibility:visible; }
  .main-nav a{ width:100%; padding:14px 4px; border-bottom:1px solid var(--line-dark); min-height:44px; }
  .nav-toggle{ display:flex; }
}

/* ---------- Hero ---------- */
.hero{ position:relative; background:var(--ink); color:var(--paper); overflow:hidden; }
.hero-grid{ position:relative; display:grid; grid-template-columns:1.1fr 1fr; gap:40px; align-items:center; padding:64px 0 48px; }
.hero h1{ font-size:clamp(2.6rem, 6.5vw, 5.4rem); color:var(--paper); margin-bottom:.25em; }
.hero h1 em{ font-style:normal; color:var(--ember); }
.hero .lede{ font-size:1.15rem; max-width:46ch; color:var(--paper-2); }
.hero-cta{ display:flex; gap:16px; margin-top:28px; flex-wrap:wrap; }

.tabs{ display:flex; gap:6px; margin-bottom:22px; flex-wrap:wrap; }
.tab-btn{ background:none; border:1px solid var(--line-dark); color:var(--paper-2); padding:9px 16px; border-radius:999px; font-size:.85rem; letter-spacing:.03em; text-transform:uppercase; cursor:pointer; min-height:44px; }
.tab-btn[aria-selected="true"]{ background:var(--ember); color:#fff; border-color:var(--ember); }

.hero-visual{ position:relative; aspect-ratio:4/5; border-radius:var(--radius); overflow:hidden; isolation:isolate; }
.hero-pane{ position:absolute; inset:0; opacity:0; transition:opacity .6s ease; }
.hero-pane[data-active="true"]{ opacity:1; }
.hero-pane img{ width:100%; height:100%; object-fit:cover; filter:grayscale(.25) sepia(.18) saturate(1.3) contrast(1.05); }
.hero-pane::after{ content:""; position:absolute; inset:0; background:linear-gradient(160deg, rgba(50,80,74,.45), rgba(226,103,42,.28)); mix-blend-mode:multiply; }
.hero-visual .hero-sparks{ position:absolute; inset:0; pointer-events:none; z-index:3; }
.hero-shape{ position:absolute; right:-40px; top:-40px; width:160px; height:160px; opacity:.5; z-index:3; color:var(--mustard); animation: spin 22s linear infinite; }
@keyframes spin{ to{ transform:rotate(360deg); } }

.hero-illustration{ position:absolute; left:-18px; bottom:-14px; width:150px; height:150px; z-index:3; color:var(--paper); opacity:.92; }
.hero-illustration path{ stroke-dasharray:640; stroke-dashoffset:640; animation: draw-in 2.4s ease forwards .4s; }
@keyframes draw-in{ to{ stroke-dashoffset:0; } }

.ornament{ width:60px; height:24px; color:var(--copper); }
.seal{ width:120px; height:120px; color:var(--teal); }

/* ---------- Sections / numbered ---------- */
.section{ padding:84px 0; position:relative; }
.section-head{ display:flex; align-items:flex-end; justify-content:space-between; gap:24px; margin-bottom:40px; flex-wrap:wrap; }
.kicker{ font-family:var(--mono); text-transform:uppercase; letter-spacing:.12em; font-size:.78rem; color:var(--copper); display:flex; align-items:center; gap:10px; }
.kicker .num{ font-size:1.6rem; font-family:var(--serif); color:var(--ink); }
.section h2{ font-size:clamp(1.9rem, 3.6vw, 2.9rem); }
.rule{ border:none; border-top:1px solid var(--line); margin:0 0 40px; }

.section.on-dark{ background:var(--ink); color:var(--paper); }
.section.on-dark .kicker .num{ color:var(--paper); }
.section.on-teal{ background:var(--teal-2); color:var(--paper); }
.section.on-teal .kicker .num{ color:var(--paper); }

/* ---------- Process steps ---------- */
.steps{ display:grid; grid-template-columns:repeat(auto-fit,minmax(220px,1fr)); gap:28px; counter-reset:step; }
.step{ position:relative; padding-top:18px; border-top:1px solid var(--line); }
.step .step-num{ font-family:var(--serif); font-size:2.6rem; color:var(--copper); display:block; margin-bottom:6px; }
.step h3{ font-size:1.15rem; margin-bottom:.3em; }
.step p{ color:var(--graphite-2); font-size:.95rem; }

/* ---------- Types grid ---------- */
.types-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(240px,1fr)); gap:1px; background:var(--line); border:1px solid var(--line); }
.type-card{ background:var(--paper); padding:28px; position:relative; transition:background .3s ease; }
.type-card:hover{ background:var(--paper-2); }
.type-card svg{ width:38px; height:38px; margin-bottom:14px; color:var(--teal); }
.type-card h3{ font-size:1.1rem; margin-bottom:.3em; color:var(--ink); }
.type-card p{ font-size:.92rem; color:var(--graphite-2); margin:0; }

/* ---------- Gallery ---------- */
.gallery{ display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:160px; gap:8px; }
.gallery figure{ margin:0; overflow:hidden; position:relative; border-radius:var(--radius); }
.gallery img{ width:100%; height:100%; object-fit:cover; transition:transform .6s cubic-bezier(.2,.7,.2,1); filter:grayscale(.15) sepia(.12) saturate(1.2); }
.gallery figure:hover img{ transform:scale(1.08); }
.gallery figure:nth-child(1){ grid-column:span 2; grid-row:span 2; }
.gallery figure:nth-child(4){ grid-column:span 2; }
.gallery figcaption{ position:absolute; left:0; right:0; bottom:0; padding:10px 12px; font-size:.78rem; background:linear-gradient(to top, rgba(0,0,0,.65), transparent); color:#fff; }
@media (max-width:760px){ .gallery{ grid-template-columns:repeat(2,1fr); grid-auto-rows:130px; } .gallery figure:nth-child(1){ grid-column:span 2; grid-row:span 1; } }

/* ---------- Buttons ---------- */
.btn{ --sweep: -100%; position:relative; display:inline-flex; align-items:center; justify-content:center; gap:10px; min-height:44px; padding:12px 26px; border:1px solid currentColor; border-radius:999px; font-size:.9rem; letter-spacing:.02em; text-transform:uppercase; cursor:pointer; background:none; color:inherit; overflow:hidden; isolation:isolate; }
.btn::before{ content:""; position:absolute; inset:0; left:var(--sweep); width:100%; background:currentColor; opacity:.12; transition:left .4s cubic-bezier(.2,.7,.2,1); z-index:-1; }
.btn:hover::before{ left:0; }
.btn-primary{ background:var(--ember); color:#fff; border-color:var(--ember); }
.btn-primary::before{ background:#fff; opacity:.18; }
.btn-ghost-dark{ color:var(--paper); border-color:var(--line-dark); }
.btn-ghost-dark::before{ background:var(--paper); }
.btn-outline{ color:var(--ink); border-color:var(--ink); }
.btn[disabled]{ opacity:.5; cursor:not-allowed; }
.btn-sm{ padding:8px 16px; min-height:38px; font-size:.8rem; }

/* ---------- Calculator (signature feature) ---------- */
.calc{ background:var(--graphite); color:var(--paper); border-radius:6px; padding:40px; display:grid; grid-template-columns:1.1fr 1fr; gap:40px; position:relative; overflow:hidden; }
.calc-controls label{ display:block; font-size:.82rem; text-transform:uppercase; letter-spacing:.06em; color:var(--mustard); margin-bottom:8px; }
.calc-field{ margin-bottom:24px; }
.calc input[type="range"]{ width:100%; accent-color:var(--ember); }
.calc-row{ display:flex; justify-content:space-between; align-items:baseline; margin-bottom:6px; }
.calc-row output{ font-family:var(--mono); font-size:1.1rem; color:var(--ember); }
.seg{ display:flex; gap:8px; flex-wrap:wrap; }
.seg button{ background:none; border:1px solid var(--line-dark); color:var(--paper-2); padding:9px 14px; border-radius:999px; cursor:pointer; font-size:.85rem; min-height:44px; }
.seg button[aria-pressed="true"]{ background:var(--mustard); color:var(--ink); border-color:var(--mustard); }
.calc-result{ background:rgba(243,238,227,.06); border:1px solid var(--line-dark); border-radius:6px; padding:28px; display:flex; flex-direction:column; justify-content:center; }
.calc-result .big{ font-family:var(--serif); font-size:2.6rem; color:var(--ember); margin-bottom:4px; }
.calc-result .meta{ color:var(--paper-2); font-size:.9rem; margin-bottom:20px; }
.calc input[type="checkbox"]{ accent-color:var(--ember); width:18px; height:18px; }
.calc-check{ display:flex; align-items:center; gap:10px; font-size:.92rem; }
@media (max-width:760px){ .calc{ grid-template-columns:1fr; padding:26px; } }

/* ---------- Product grid / strip ---------- */
.product-filters{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom:32px; }
.product-filters button{ background:none; border:1px solid var(--line); padding:8px 16px; border-radius:999px; cursor:pointer; font-size:.85rem; min-height:44px; }
.product-filters button[aria-pressed="true"]{ background:var(--ink); color:var(--paper); border-color:var(--ink); }

.product-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(260px,1fr)); gap:28px; }
.product-card{ display:flex; flex-direction:column; border:1px solid var(--line); transition:box-shadow .3s ease, transform .3s ease; background:var(--paper); color:var(--ink); }
.product-price{ color:var(--ink); }
.product-card:hover{ transform:translateY(-4px); box-shadow:0 18px 32px -16px rgba(28,26,23,.3); }
.product-media{ aspect-ratio:4/3; overflow:hidden; }
.product-media img{ width:100%; height:100%; object-fit:cover; transition:transform .5s cubic-bezier(.2,.7,.2,1); filter:sepia(.08) saturate(1.1); }
.product-card:hover .product-media img{ transform:scale(1.07); }
.product-body{ padding:20px; display:flex; flex-direction:column; gap:8px; flex:1; }
.product-cat{ font-family:var(--mono); font-size:.72rem; text-transform:uppercase; letter-spacing:.08em; color:var(--copper); }
.product-body h3{ font-size:1.2rem; margin:0; color:var(--ink); }
.product-body p{ font-size:.9rem; color:var(--graphite-2); flex:1; }
.product-price{ font-family:var(--mono); font-size:1.05rem; }
.product-price .note{ font-size:.75rem; color:var(--graphite-2); text-transform:uppercase; margin-right:4px; }
.product-foot{ display:flex; justify-content:space-between; align-items:center; gap:10px; margin-top:6px; }

.strip-scroll{ display:flex; gap:20px; overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:12px; }
.strip-scroll .product-card{ min-width:260px; scroll-snap-align:start; }
@media (min-width:860px){ .strip-scroll{ overflow:visible; display:grid; grid-template-columns:repeat(4,1fr); } }

/* ---------- Product detail ---------- */
.product-detail{ display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:start; }
.product-detail .media{ aspect-ratio:4/5; overflow:hidden; border-radius:4px; position:relative; }
.product-detail .media img{ width:100%; height:100%; object-fit:cover; }
.product-detail .price-box{ font-family:var(--serif); font-size:2.2rem; color:var(--copper); margin:18px 0; }
.feature-list{ list-style:none; margin:20px 0; display:grid; gap:10px; }
.feature-list li{ display:flex; gap:10px; align-items:flex-start; font-size:.95rem; }
.feature-list svg{ width:18px; height:18px; flex:none; margin-top:2px; color:var(--teal); }
.qty-row{ display:flex; align-items:center; gap:14px; margin:20px 0; }
.qty-row input{ width:70px; min-height:44px; text-align:center; border:1px solid var(--line); border-radius:4px; font-size:1rem; }

/* ---------- Cart / checkout ---------- */
.cart-table{ width:100%; border-collapse:collapse; margin-bottom:24px; }
.cart-table th, .cart-table td{ padding:14px 10px; text-align:left; border-bottom:1px solid var(--line); font-size:.92rem; vertical-align:middle; }
.cart-table img{ width:64px; height:64px; object-fit:cover; border-radius:3px; }
.cart-item-name{ display:flex; gap:12px; align-items:center; }
.cart-qty{ width:60px; min-height:40px; text-align:center; border:1px solid var(--line); border-radius:4px; }
.remove-btn{ background:none; border:none; color:var(--copper); cursor:pointer; text-decoration:underline; font-size:.85rem; min-height:44px; }
.cart-summary{ display:flex; justify-content:flex-end; margin-bottom:30px; }
.cart-summary .box{ min-width:260px; text-align:right; }
.cart-summary .total{ font-family:var(--serif); font-size:1.6rem; color:var(--copper); }
.cart-empty{ padding:60px 0; text-align:center; color:var(--graphite-2); }

.checkout-grid{ display:grid; grid-template-columns:1.2fr 1fr; gap:48px; align-items:start; }
.order-summary{ background:var(--paper-2); border-radius:6px; padding:24px; position:sticky; top:96px; }

/* ---------- Forms ---------- */
.form-field{ margin-bottom:20px; }
.form-field label{ display:block; font-size:.85rem; text-transform:uppercase; letter-spacing:.04em; margin-bottom:8px; }
.form-field input, .form-field textarea, .form-field select{
  width:100%; min-height:44px; padding:10px 14px; border:1px solid var(--line); border-radius:4px; background:var(--paper); font-family:inherit; font-size:1rem; color:var(--ink);
}
.form-field textarea{ min-height:120px; resize:vertical; }
.form-field input:focus, .form-field textarea:focus, .form-field select:focus{ outline:3px solid var(--mustard); outline-offset:1px; border-color:var(--ember); }
.form-row{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-error{ color:#9a2a1f; font-size:.82rem; margin-top:6px; display:none; }
.form-field.has-error input, .form-field.has-error textarea{ border-color:#9a2a1f; }
.form-field.has-error .form-error{ display:block; }
.form-note, .form-success{ padding:14px 16px; border-radius:4px; font-size:.9rem; margin-top:16px; }
.form-success{ background:#2f4c3a; color:#eef6ee; display:none; }
.form-success.show{ display:block; }
.form-fail{ background:#4c2f2f; color:#f6eeee; display:none; margin-top:16px; padding:14px 16px; border-radius:4px; font-size:.9rem; }
.form-fail.show{ display:block; }
fieldset{ border:1px solid var(--line); border-radius:6px; padding:18px; margin:0 0 20px; }
legend{ font-family:var(--mono); font-size:.8rem; text-transform:uppercase; letter-spacing:.06em; padding:0 8px; }

/* ---------- Newsletter / footer ---------- */
.newsletter{ display:flex; gap:10px; flex-wrap:wrap; }
.newsletter input{ flex:1; min-width:200px; min-height:44px; padding:10px 14px; border-radius:4px; border:1px solid var(--line-dark); background:rgba(243,238,227,.07); color:var(--paper); }
.newsletter input::placeholder{ color:var(--paper-2); }

.site-footer{ background:var(--ink); color:var(--paper-2); padding:70px 0 30px; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:36px; margin-bottom:50px; }
.footer-col h4{ font-family:var(--sans); font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; color:var(--mustard); margin-bottom:14px; }
.footer-col a{ display:block; padding:5px 0; font-size:.92rem; }
.footer-col a:hover{ color:var(--ember); }
.footer-brand p{ max-width:34ch; font-size:.9rem; }
.footer-bottom{ display:flex; justify-content:space-between; gap:16px; flex-wrap:wrap; border-top:1px solid var(--line-dark); padding-top:22px; font-size:.82rem; }
@media (max-width:860px){ .footer-grid{ grid-template-columns:repeat(2,1fr); } }
@media (max-width:540px){ .footer-grid{ grid-template-columns:1fr; } }

/* ---------- Cookie banner ---------- */
.cookie-banner{ position:fixed; left:16px; right:16px; bottom:16px; max-width:640px; margin:0 auto; background:var(--ink); color:var(--paper); border:1px solid var(--line-dark); border-radius:8px; padding:20px 22px; display:flex; gap:18px; align-items:center; flex-wrap:wrap; z-index:300; box-shadow:0 20px 50px -20px rgba(0,0,0,.5); }
.cookie-banner.hidden{ display:none; }
.cookie-banner p{ margin:0; flex:1; min-width:200px; font-size:.88rem; color:var(--paper-2); }
.cookie-actions{ display:flex; gap:10px; }

/* ---------- Divider SVG ---------- */
.divider{ width:100%; height:48px; color:var(--copper); margin:0 0 20px; }

/* ---------- FAQ ---------- */
.faq-item{ border-top:1px solid var(--line); }
.faq-item summary{ cursor:pointer; padding:20px 0; font-family:var(--serif); font-size:1.2rem; display:flex; justify-content:space-between; align-items:center; gap:16px; min-height:44px; }
.faq-item summary::-webkit-details-marker{ display:none; }
.faq-item summary .plus{ flex:none; width:20px; height:20px; position:relative; }
.faq-item summary .plus::before, .faq-item summary .plus::after{ content:""; position:absolute; background:var(--copper); }
.faq-item summary .plus::before{ left:0; top:9px; width:20px; height:2px; }
.faq-item summary .plus::after{ left:9px; top:0; width:2px; height:20px; transition:transform .25s ease; }
.faq-item[open] summary .plus::after{ transform:scaleY(0); }
.faq-item p{ padding:0 0 22px; color:var(--graphite-2); max-width:72ch; }

/* ---------- Misc content pages ---------- */
.page-hero{ background:var(--ink); color:var(--paper); padding:60px 0 40px; }
.page-hero h1{ font-size:clamp(2.2rem,5vw,3.6rem); color:var(--paper); }
.prose{ max-width:72ch; }
.prose h2{ font-size:1.5rem; margin-top:1.6em; }
.prose ul{ margin:0 0 1em 1.2em; list-style:disc; }
.legal-meta{ font-family:var(--mono); font-size:.8rem; color:var(--copper); text-transform:uppercase; letter-spacing:.06em; margin-bottom:30px; }

.badge-seal{ position:absolute; width:120px; height:120px; opacity:.9; }

.table-wrap{ overflow-x:auto; }
.plain-table{ width:100%; border-collapse:collapse; margin:20px 0; }
.plain-table th, .plain-table td{ border:1px solid var(--line); padding:10px 12px; text-align:left; font-size:.92rem; }

.error-404{ min-height:50vh; display:flex; flex-direction:column; align-items:flex-start; justify-content:center; padding:80px 0; }
.error-404 .big-num{ font-family:var(--serif); font-size:clamp(5rem,16vw,10rem); color:var(--copper); line-height:1; }

.icon{ width:20px; height:20px; }

@media (max-width:860px){
  .hero-grid{ grid-template-columns:1fr; padding-top:40px; }
  .product-detail{ grid-template-columns:1fr; }
  .checkout-grid{ grid-template-columns:1fr; }
  .order-summary{ position:static; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
}