/* ===== Čaj Domov — design system ===== */
:root {
  --bg: #0d2422;
  --bg-2: #102e2b;
  --surface: #12332f;
  --surface-2: #163b36;
  --ink: #ece3d1;
  --ink-dim: #b9c9c2;
  --teal: #1f6e63;
  --teal-light: #3fa393;
  --mustard: #c99a3e;
  --mustard-light: #e3b85f;
  --off-white: #efe9d8;
  --line: rgba(236, 227, 209, 0.14);
  --radius: 14px;
  --radius-sm: 8px;
  --serif: Georgia, "Iowan Old Style", "Times New Roman", serif;
  --sans: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow: 0 18px 50px -20px rgba(0,0,0,.6);
  --container: 1180px;
}

* { box-sizing: border-box; }
html, body { overflow-x: clip; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.6;
  font-size: 16px;
}
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.15; margin: 0 0 .5em; color: var(--off-white); }
p { margin: 0 0 1em; color: var(--ink-dim); }
a { color: var(--mustard-light); text-decoration: none; }
img { max-width: 100%; display: block; }
:focus-visible { outline: 2px solid var(--mustard-light); outline-offset: 3px; border-radius: 4px; }
.skip-link { position: absolute; left: -999px; }
.skip-link:focus { left: 1rem; top: 1rem; background: var(--mustard); color: #10231f; padding: .5rem 1rem; border-radius: var(--radius-sm); z-index: 200; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; }
.u-mt-xl { margin-top: 5rem; } .u-mt-lg { margin-top: 3rem; } .u-mt-md { margin-top: 1.5rem; }
.u-grid-2 { display: grid; gap: 2rem; grid-template-columns: 1fr; }
.u-grid-3 { display: grid; gap: 1.5rem; grid-template-columns: 1fr; }
@media (min-width: 760px) {
  .u-grid-2 { grid-template-columns: 1fr 1fr; }
  .u-grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ===== Header ===== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(13,36,34,.9); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.site-header-inner { max-width: var(--container); margin: 0 auto; padding: .9rem 1.25rem; display: flex; align-items: center; gap: 1.5rem; }
.logo { display: flex; align-items: center; gap: .6rem; color: var(--mustard-light); margin-right: auto; }
.logo-mark { color: var(--mustard-light); flex-shrink: 0; }
.logo-word svg { display: block; width: 150px; height: 31px; }
.main-nav { display: flex; gap: 1.4rem; flex-wrap: wrap; }
.main-nav a { color: var(--ink-dim); font-size: .95rem; position: relative; padding: .3rem 0; }
.main-nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--mustard-light); transition: width .25s ease; }
.main-nav a:hover::after, .main-nav a.is-active::after { width: 100%; }
.main-nav a.is-active { color: var(--off-white); }
.header-actions { display: flex; align-items: center; gap: 1rem; }
.cart-link { position: relative; color: var(--off-white); display: inline-flex; }
.cart-count { position: absolute; top: -8px; right: -10px; background: var(--mustard); color: #10231f; font-size: .65rem; font-weight: 700; border-radius: 50%; width: 18px; height: 18px; display: flex; align-items: center; justify-content: center; }
.cart-link.bump .cart-count { animation: bump .35s ease; }
@keyframes bump { 0% { transform: scale(1); } 40% { transform: scale(1.5); } 100% { transform: scale(1); } }
.menu-toggle { display: none; background: none; border: none; color: var(--off-white); cursor: pointer; width: 44px; height: 44px; align-items: center; justify-content: center; }

@media (max-width: 860px) {
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed; inset: 0 0 0 auto; width: min(80vw, 320px); height: 100vh;
    background: var(--bg-2); flex-direction: column; padding: 5.5rem 1.5rem 2rem; gap: 1.2rem;
    transform: translateX(100%); visibility: hidden; transition: transform .3s ease, visibility .3s ease;
    border-left: 1px solid var(--line); z-index: 90;
  }
  .main-nav.is-open { transform: translateX(0); visibility: visible; }
}

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .75rem 1.5rem; border-radius: 999px; font-size: .95rem; font-weight: 600; cursor: pointer; border: 1px solid transparent; position: relative; overflow: hidden; min-height: 44px; transition: color .25s ease, border-color .25s ease; }
.btn span, .btn { z-index: 1; }
.btn-primary { background: var(--mustard); color: #10231f; }
.btn-primary::before { content: ""; position: absolute; inset: 0; left: -100%; width: 100%; background: var(--mustard-light); transition: left .3s ease; z-index: -1; }
.btn-primary:hover::before { left: 0; }
.btn-ghost { background: transparent; color: var(--off-white); border-color: var(--line); }
.btn-ghost::before { content: ""; position: absolute; inset: 0; left: -100%; width: 100%; background: rgba(236,227,209,.12); transition: left .3s ease; z-index: -1; }
.btn-ghost:hover::before { left: 0; }
.btn-outline { background: transparent; color: var(--teal-light); border-color: var(--teal-light); }
.btn-sm { padding: .5rem 1.1rem; font-size: .85rem; min-height: 36px; }
.btn-block { width: 100%; }

/* ===== Hero ===== */
.hero { position: relative; padding: 5.5rem 0 4rem; overflow: hidden; }
.hero-inner { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; position: relative; display: grid; gap: 2.5rem; align-items: center; }
.hero-circle { position: relative; width: min(100%, 520px); aspect-ratio: 1/1; margin: 0 auto; border-radius: 50%; overflow: hidden; border: 1px solid var(--line); box-shadow: var(--shadow); }
.hero-circle img { width: 100%; height: 100%; object-fit: cover; filter: sepia(.15) saturate(1.05); }
.hero-parallax { position: absolute; inset: 0; pointer-events: none; }
.hero-parallax [data-depth] { position: absolute; transition: transform .1s linear; }
.hero-title { font-size: clamp(2.4rem, 6vw, 4.2rem); margin-bottom: .6rem; }
.hero-title em { color: var(--mustard-light); font-style: normal; }
.hero-lede { font-size: 1.1rem; max-width: 46ch; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1.5rem; }
@media (min-width: 900px) { .hero-inner { grid-template-columns: 1.1fr .9fr; } }

/* grain overlay */
.grain { position: fixed; inset: 0; width: 100vw; height: 100vh; opacity: .05; pointer-events: none; mix-blend-mode: overlay; z-index: 1; }

/* ===== Sections / dividers ===== */
.section { padding: 4.5rem 0; }
.section-head { max-width: 640px; margin: 0 auto 2.5rem; text-align: center; }
.kicker { display: block; color: var(--mustard-light); letter-spacing: .12em; text-transform: uppercase; font-size: .78rem; margin-bottom: .6rem; }
.divider { width: 100%; height: 40px; display: block; color: var(--mustard); opacity: .6; }

/* ===== Reveal ===== */
.reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease, clip-path .7s ease; clip-path: inset(0 0 15% 0); }
.reveal.in-view { opacity: 1; transform: translateY(0); clip-path: inset(0 0 0 0); }
.reveal-stagger > * { transition-delay: calc(var(--i, 0) * 80ms); }
@media (prefers-reduced-motion: reduce) { .reveal, .reveal.in-view { transition: none; } }

/* ===== Cards ===== */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.6rem; transition: transform .3s ease, box-shadow .3s ease; }
.card:hover { transform: translateY(-5px); box-shadow: var(--shadow); }
.glow-card { position: relative; isolation: isolate; }
.glow-card::before { content: ""; position: absolute; inset: 0; border-radius: inherit; background: radial-gradient(180px circle at var(--mx, 50%) var(--my, 50%), rgba(201,154,62,.18), transparent 70%); opacity: 0; transition: opacity .3s ease; pointer-events: none; z-index: -1; }
.glow-card:hover::before { opacity: 1; }

/* ===== Product cards / catalog ===== */
.product-strip { display: grid; grid-auto-flow: column; grid-auto-columns: 78%; gap: 1.2rem; overflow-x: auto; scroll-snap-type: x mandatory; padding-bottom: .5rem; }
.product-strip .product-card { scroll-snap-align: start; }
@media (min-width: 760px) { .product-strip { grid-auto-flow: row; grid-auto-columns: unset; grid-template-columns: repeat(3, 1fr); overflow: visible; } }
.product-grid { display: grid; gap: 1.5rem; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.product-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; display: flex; flex-direction: column; }
.product-card .product-media { aspect-ratio: 4/3; overflow: hidden; }
.product-card .product-media img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.product-card:hover .product-media img { transform: scale(1.06); }
.product-card .product-body { padding: 1.1rem 1.2rem 1.4rem; display: flex; flex-direction: column; gap: .4rem; flex: 1; }
.product-card h3 { font-size: 1.1rem; margin: 0; }
.product-card .price { color: var(--mustard-light); font-weight: 700; margin-top: auto; }
.product-card .category { font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; color: var(--teal-light); }

/* ===== Product detail ===== */
.product-detail { display: grid; gap: 2.5rem; }
@media (min-width: 860px) { .product-detail { grid-template-columns: 1fr 1fr; } }
.product-detail .product-media { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 1/1; }
.product-detail .product-media img { width: 100%; height: 100%; object-fit: cover; }
.product-detail .meta-row { display: flex; gap: 1.5rem; flex-wrap: wrap; margin: 1.2rem 0; padding: 1rem 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.product-detail .meta-row div { font-size: .85rem; color: var(--ink-dim); }
.product-detail .meta-row strong { display: block; color: var(--off-white); font-family: var(--serif); font-size: 1rem; }
.qty-row { display: flex; align-items: center; gap: 1rem; margin: 1.2rem 0; }
.qty-input { width: 64px; text-align: center; background: var(--surface-2); border: 1px solid var(--line); color: var(--ink); border-radius: var(--radius-sm); padding: .5rem; }

/* ===== Cart ===== */
.cart-table { width: 100%; border-collapse: collapse; margin-bottom: 2rem; }
.cart-table th, .cart-table td { padding: .9rem .6rem; border-bottom: 1px solid var(--line); text-align: left; }
.cart-table th { color: var(--teal-light); font-size: .8rem; text-transform: uppercase; letter-spacing: .05em; }
.cart-table img { width: 56px; height: 56px; border-radius: var(--radius-sm); object-fit: cover; }
.cart-row-main { display: flex; gap: .8rem; align-items: center; }
.cart-summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; max-width: 380px; margin-left: auto; }
.cart-summary .row { display: flex; justify-content: space-between; margin-bottom: .6rem; }
.cart-summary .total { font-size: 1.2rem; color: var(--mustard-light); font-weight: 700; border-top: 1px solid var(--line); padding-top: .8rem; margin-top: .8rem; }
.cart-empty { text-align: center; padding: 3rem 1rem; color: var(--ink-dim); }

/* ===== Forms ===== */
.form-grid { display: grid; gap: 1.2rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .form-grid.cols-2 { grid-template-columns: 1fr 1fr; } }
.field { display: flex; flex-direction: column; gap: .4rem; }
.field label { font-size: .85rem; color: var(--ink-dim); }
.field input, .field select, .field textarea {
  background: var(--surface-2); border: 1px solid var(--line); color: var(--ink);
  border-radius: var(--radius-sm); padding: .7rem .9rem; font: inherit; accent-color: var(--mustard);
}
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--mustard-light); }
.field-error { color: #e6836a; font-size: .8rem; min-height: 1.1em; }
.hp { position: absolute !important; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-msg { font-size: .9rem; color: var(--teal-light); min-height: 1.3em; }
.form-msg.is-error { color: #e6836a; }
.newsletter-row { display: flex; gap: .6rem; flex-wrap: wrap; }
.newsletter-row input { flex: 1; min-width: 180px; }

/* ===== Legal / content pages ===== */
.page-hero { padding: 3.5rem 0 2.5rem; border-bottom: 1px solid var(--line); background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.page-hero h1 { font-size: clamp(2rem, 4vw, 2.8rem); margin-bottom: .4rem; }
.breadcrumbs { font-size: .85rem; color: var(--ink-dim); display: flex; gap: .4rem; flex-wrap: wrap; }
.breadcrumbs a { color: var(--teal-light); }
.prose { max-width: 70ch; margin: 0 auto; }
.prose h2 { margin-top: 2.2rem; font-size: 1.4rem; }
.prose h3 { margin-top: 1.6rem; font-size: 1.1rem; }
.prose ul, .prose ol { color: var(--ink-dim); padding-left: 1.3rem; }
.prose a { text-decoration: underline; }
.legal-toc { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.2rem 1.5rem; max-width: 70ch; margin: 0 auto 2.5rem; }
.legal-toc h2 { font-size: 1rem; margin-bottom: .6rem; }
.legal-toc ol { margin: 0; padding-left: 1.2rem; color: var(--ink-dim); }
.notice { border: 1px solid var(--line); border-left: 3px solid var(--mustard); background: var(--surface); border-radius: var(--radius-sm); padding: 1rem 1.2rem; margin: 1.5rem 0; color: var(--ink-dim); }
.notice.notice-teal { border-left-color: var(--teal-light); }

/* ===== FAQ ===== */
.faq { max-width: 70ch; margin: 0 auto; display: flex; flex-direction: column; gap: .8rem; }
.faq-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: .3rem 1.2rem; }
.faq-item summary { cursor: pointer; padding: .9rem 0; font-weight: 600; color: var(--off-white); list-style: none; display: flex; justify-content: space-between; gap: 1rem; }
.faq-item summary::after { content: "+"; color: var(--mustard-light); font-size: 1.3rem; }
.faq-item[open] summary::after { content: "–"; }
.faq-item p { padding-bottom: 1rem; }

/* ===== Contact ===== */
.contact-layout { display: grid; gap: 2.5rem; }
@media (min-width: 860px) { .contact-layout { grid-template-columns: 1fr 1fr; } }
.contact-info .card { margin-bottom: 1rem; }
.contact-info ul { list-style: none; padding: 0; margin: 0; }
.contact-info li { display: flex; gap: .6rem; align-items: flex-start; margin-bottom: .8rem; color: var(--ink-dim); }
.contact-info svg { flex-shrink: 0; color: var(--mustard-light); margin-top: .1rem; }

/* ===== Compass feature (home) ===== */
.compass { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 2.5rem; display: grid; gap: 2rem; }
@media (min-width: 860px) { .compass { grid-template-columns: .9fr 1.1fr; align-items: center; } }
.compass-controls fieldset { border: none; padding: 0; margin: 0 0 1.4rem; }
.compass-controls legend { color: var(--teal-light); font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; margin-bottom: .6rem; }
.compass-options { display: flex; gap: .6rem; flex-wrap: wrap; }
.compass-options label { position: relative; }
.compass-options input { position: absolute; opacity: 0; }
.compass-options span { display: inline-flex; padding: .5rem 1rem; border-radius: 999px; border: 1px solid var(--line); color: var(--ink-dim); cursor: pointer; font-size: .85rem; transition: border-color .2s, color .2s; }
.compass-options input:checked + span { border-color: var(--mustard-light); color: var(--off-white); background: rgba(201,154,62,.12); }
.compass-result { min-height: 180px; display: flex; flex-direction: column; gap: 1rem; }
.compass-result-card { display: flex; gap: 1rem; align-items: center; background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 1rem; }
.compass-result-card img { width: 64px; height: 64px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; }
.compass-empty { color: var(--ink-dim); font-size: .9rem; }

/* ===== Footer ===== */
.site-footer { border-top: 1px solid var(--line); background: var(--bg-2); padding: 4rem 0 1.5rem; }
.footer-grid { max-width: var(--container); margin: 0 auto; padding: 0 1.25rem; display: grid; gap: 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 1.2fr 2fr 1fr; } }
.footer-brand svg { color: var(--mustard-light); margin-bottom: .6rem; }
.footer-nav { display: grid; gap: 1.5rem; grid-template-columns: repeat(3, 1fr); }
.footer-nav h3 { font-size: .85rem; text-transform: uppercase; letter-spacing: .05em; color: var(--teal-light); margin-bottom: .7rem; }
.footer-nav a { display: block; color: var(--ink-dim); margin-bottom: .5rem; font-size: .9rem; }
.footer-contact p { display: flex; align-items: center; gap: .5rem; margin-bottom: .6rem; color: var(--ink-dim); }
.footer-bottom { max-width: var(--container); margin: 2rem auto 0; padding: 1.2rem 1.25rem 0; border-top: 1px solid var(--line); color: var(--ink-dim); font-size: .85rem; }

/* ===== Cookie banner ===== */
.cookie-banner { position: fixed; left: 1rem; right: 1rem; bottom: 1rem; max-width: 560px; margin: 0 auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.3rem 1.4rem; box-shadow: var(--shadow); z-index: 150; }
.cookie-banner p { color: var(--ink-dim); font-size: .88rem; margin-bottom: 1rem; }
.cookie-actions { display: flex; gap: .8rem; justify-content: flex-end; flex-wrap: wrap; }

/* ===== 404 ===== */
.not-found { text-align: center; padding: 6rem 1rem; }
.not-found h1 { font-size: clamp(3rem, 10vw, 6rem); color: var(--mustard-light); }

/* COMPONENTS: .class - what it is
.container - centered max-width wrapper
.u-grid-2 / .u-grid-3 - responsive grid utilities
.u-mt-xl / .u-mt-lg / .u-mt-md - spacing utilities
.site-header / .main-nav / .cart-link / .menu-toggle - global header & nav
.btn / .btn-primary / .btn-ghost / .btn-outline / .btn-sm / .btn-block - button variants with fill-sweep
.hero / .hero-circle / .hero-parallax / .hero-title / .hero-lede / .hero-actions - home hero composition
.grain - fixed full-viewport SVG grain texture overlay
.section / .section-head / .kicker / .divider - generic section scaffolding
.reveal / .reveal.in-view / .reveal-stagger - scroll reveal animation hooks
.card / .glow-card - generic card + cursor-follow glow effect
.product-strip / .product-grid / .product-card - catalog product listings (strip = mobile scroll-snap)
.product-detail / .qty-row / .qty-input - single product page layout
.cart-table / .cart-row-main / .cart-summary / .cart-empty - cart/checkout table and summary box
.form-grid / .field / .field-error / .hp / .form-msg - form layout, validation and honeypot
.newsletter-form / .newsletter-row - footer newsletter signup
.page-hero / .breadcrumbs - inner page header band
.prose / .legal-toc / .notice - long-form legal/content text, table of contents, callouts
.faq / .faq-item - FAQ accordion (details/summary)
.contact-layout / .contact-info - contact page two-column layout
.compass / .compass-controls / .compass-options / .compass-result / .compass-result-card / .compass-empty - Čajový kompas signature feature
.site-footer / .footer-grid / .footer-nav / .footer-brand / .footer-contact / .footer-bottom - global footer
.cookie-banner / .cookie-actions - cookie consent banner
.not-found - 404 page layout
*/

/* ===== Product detail page components ===== */
.product-detail-loading {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--ink-dim);
}

.product-detail-media {
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--line);
  aspect-ratio: 4/3;
}

.product-detail-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-detail-body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.product-price {
  font-size: 1.3rem;
  color: var(--mustard-light);
  font-weight: 600;
  margin: 1rem 0;
}

.product-specs {
  margin: 1.5rem 0;
  padding: 1.5rem;
  background: var(--surface-2);
  border-radius: var(--radius-sm);
}