/* ==========================================================================
   Vlnenadeka.cz — vlastní CSS, žádný framework, žádný build krok.
   ========================================================================== */

:root {
  --color-bg: #faf6f0;
  --color-surface: #ffffff;
  --color-surface-muted: #f2ece2;
  --color-ink: #2c241d;
  --color-ink-muted: #6b5f52;
  --color-ink-subtle: #948a7c;
  --color-line: #e6ddd0;

  --color-primary: #a8532f;
  --color-primary-hover: #8a4224;
  --color-primary-tint: #f4e6dc;

  --color-accent: #4b5940;
  --color-accent-tint: #e7ebe0;

  --color-success: #3f6b3f;
  --color-success-tint: #e6efe2;
  --color-warning: #8a6100;
  --color-warning-tint: #fbf1de;

  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;

  --radius: 14px;
  --radius-sm: 8px;
  --shadow-sm: 0 1px 3px rgba(44, 36, 29, 0.08);
  --shadow-md: 0 8px 24px rgba(44, 36, 29, 0.12);
  --container-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-ink);
}

p {
  margin: 0 0 1em;
}

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 20px;
}

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

/* ---------- Buttons ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease, box-shadow 0.15s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
}

.btn-outline {
  background: transparent;
  border-color: var(--color-line);
  color: var(--color-ink);
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-block {
  width: 100%;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-line);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
}

.logo {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  text-decoration: none;
  color: var(--color-ink);
  letter-spacing: 0.01em;
}

.logo span {
  color: var(--color-primary);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  cursor: pointer;
}

.nav-toggle span,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-ink);
  position: relative;
}

.nav-toggle::before {
  transform: translateY(-6px);
}

.nav-toggle::after {
  transform: translateY(4px);
}

.site-nav {
  position: fixed;
  inset: 72px 0 0 0;
  background: var(--color-bg);
  display: flex;
  flex-direction: column;
  padding: 24px 20px;
  gap: 4px;
  transform: translateX(100%);
  transition: transform 0.2s ease;
  overflow-y: auto;
}

.site-nav.is-open {
  transform: translateX(0);
}

.site-nav a {
  padding: 14px 8px;
  text-decoration: none;
  font-weight: 500;
  border-bottom: 1px solid var(--color-line);
}

.site-nav .nav-cta {
  margin-top: 12px;
  border: 1px solid var(--color-primary);
  border-radius: 999px;
  color: var(--color-primary);
  font-weight: 600;
  text-align: center;
}

@media (min-width: 860px) {
  .nav-toggle {
    display: none;
  }

  .site-nav {
    position: static;
    flex-direction: row;
    align-items: center;
    inset: auto;
    transform: none;
    padding: 0;
    background: transparent;
  }

  .site-nav a {
    border-bottom: none;
    padding: 8px 14px;
  }

  .site-nav .nav-cta {
    margin-top: 0;
    margin-left: 8px;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 48px 0 56px;
}

.hero-inner {
  display: grid;
  gap: 32px;
}

.hero-eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-tint);
  padding: 6px 14px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 2.1rem;
  max-width: 20ch;
}

.hero p.lead {
  color: var(--color-ink-muted);
  font-size: 1.08rem;
  max-width: 48ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}

.hero-gallery {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 12px;
}

.hero-gallery img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: var(--radius);
}

.hero-gallery-main {
  grid-row: span 2;
}

@media (min-width: 900px) {
  .hero-inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
  }

  .hero h1 {
    font-size: 2.6rem;
  }
}

/* ---------- Trust strip ---------- */

.trust-strip {
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface);
}

.trust-list {
  list-style: none;
  margin: 0;
  padding: 20px 0;
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, 1fr);
}

.trust-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.92rem;
  color: var(--color-ink-muted);
}

.trust-list li strong {
  color: var(--color-ink);
  display: block;
}

.trust-icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-primary);
}

@media (min-width: 720px) {
  .trust-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Sections ---------- */

.section {
  padding: 56px 0;
}

.section-header {
  max-width: 60ch;
  margin: 0 auto 32px;
  text-align: center;
}

.section-header h2 {
  font-size: 1.8rem;
}

.section-header p {
  color: var(--color-ink-muted);
}

/* ---------- Product grid & card ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

@media (min-width: 640px) {
  .product-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 960px) {
  .product-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: var(--radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow 0.15s ease, transform 0.15s ease;
}

.product-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.product-card-media {
  position: relative;
  aspect-ratio: 1 / 1;
  background: var(--color-surface-muted);
  overflow: hidden;
}

.product-card-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.product-card:hover .product-card-media img {
  transform: scale(1.05);
}

.product-card-body {
  padding: 14px 16px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
}

.product-card-name {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.35;
}

.product-card-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.product-price {
  font-weight: 700;
  font-size: 1.02rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-in-stock {
  background: var(--color-success-tint);
  color: var(--color-success);
}

.badge-out-stock {
  background: var(--color-warning-tint);
  color: var(--color-warning);
}

/* ---------- Content / editorial block ---------- */

.content-block {
  background: var(--color-surface);
  border-radius: var(--radius);
  border: 1px solid var(--color-line);
  padding: 32px 24px;
}

.content-columns {
  display: grid;
  gap: 24px;
}

@media (min-width: 780px) {
  .content-columns {
    grid-template-columns: repeat(3, 1fr);
  }
}

.content-columns h3 {
  font-size: 1.1rem;
}

.content-columns p {
  color: var(--color-ink-muted);
  font-size: 0.95rem;
}

/* ---------- Breadcrumb ---------- */

.breadcrumb {
  font-size: 0.85rem;
  color: var(--color-ink-subtle);
  padding: 18px 0 0;
}

.breadcrumb a {
  text-decoration: none;
  color: var(--color-ink-subtle);
}

.breadcrumb a:hover {
  color: var(--color-primary);
}

/* ---------- Product detail ---------- */

.product-detail {
  padding: 24px 0 56px;
  display: grid;
  gap: 32px;
}

@media (min-width: 900px) {
  .product-detail {
    grid-template-columns: 1.1fr 1fr;
    align-items: start;
  }
}

.gallery-main {
  aspect-ratio: 1 / 1;
  background: var(--color-surface-muted);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-line);
}

.gallery-main img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-thumbs {
  display: flex;
  gap: 10px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.gallery-thumbs button {
  width: 68px;
  height: 68px;
  padding: 0;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 2px solid transparent;
  cursor: pointer;
  background: var(--color-surface-muted);
}

.gallery-thumbs button.is-active {
  border-color: var(--color-primary);
}

.gallery-thumbs img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-info h1 {
  font-size: 1.7rem;
  margin-bottom: 8px;
}

.product-info-price-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 12px 0 20px;
}

.product-info-price-row .product-price {
  font-size: 1.6rem;
}

.product-cta {
  margin-bottom: 24px;
}

.product-cta-note {
  font-size: 0.85rem;
  color: var(--color-ink-subtle);
  margin-top: 8px;
}

.param-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

.param-table tr {
  border-bottom: 1px solid var(--color-line);
}

.param-table th,
.param-table td {
  text-align: left;
  padding: 10px 0;
  font-weight: 400;
}

.param-table th {
  width: 42%;
  color: var(--color-ink-subtle);
  font-weight: 500;
}

.product-description {
  margin-top: 40px;
  max-width: 72ch;
}

.product-description h3 {
  font-size: 1.2rem;
}

.product-description ul {
  padding-left: 1.2em;
}

.product-description li {
  margin-bottom: 0.4em;
}

/* ---------- Related products ---------- */

.related {
  padding: 8px 0 56px;
}

.related h2 {
  font-size: 1.4rem;
  margin-bottom: 20px;
}

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--color-line);
  background: var(--color-surface);
  padding: 36px 0;
  font-size: 0.9rem;
  color: var(--color-ink-muted);
}

.site-footer a {
  color: var(--color-primary);
  text-decoration: none;
}

.site-footer a:hover {
  text-decoration: underline;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 720px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}