/* =========================================================
   Knihkupectvo Strana — hlavný štýl
   ========================================================= */

:root {
  --color-bg: #faf6f0;
  --color-surface: #ffffff;
  --color-text: #2b2420;
  --color-muted: #6b6258;
  --color-primary: #2f4a3c;
  --color-primary-dark: #1f332a;
  --color-accent: #c9972c;
  --color-accent-dark: #a97b1c;
  --color-border: #e4dccb;
  --radius: 14px;
  --shadow-sm: 0 2px 10px rgba(43, 36, 32, 0.06);
  --shadow-md: 0 12px 30px rgba(43, 36, 32, 0.12);
  --font-serif: Georgia, "Times New Roman", Times, serif;
  --font-sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  line-height: 1.2;
  margin: 0 0 0.5em;
  color: var(--color-primary-dark);
}

h1 { font-size: clamp(2rem, 4vw, 3.1rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.3rem); }
h3 { font-size: 1.3rem; }

p { margin: 0 0 1em; color: var(--color-text); }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-accent-dark); }

.container {
  width: 100%;
  max-width: var(--container);
  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;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 26px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.2s ease, color 0.2s ease, border-color .2s ease;
  font-family: var(--font-sans);
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { background: var(--color-primary); color: #fff; }
.btn-primary:hover { background: var(--color-primary-dark); color: #fff; }
.btn-accent { background: var(--color-accent); color: #2b2420; }
.btn-accent:hover { background: var(--color-accent-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--color-surface); color: var(--color-surface); }
.btn-outline.dark { border-color: var(--color-primary); color: var(--color-primary); }
.btn-outline:hover { background: rgba(255,255,255,0.15); }
.btn-outline.dark:hover { background: var(--color-primary); color: #fff; }
.btn-block { width: 100%; }

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250, 246, 240, 0.95);
  backdrop-filter: saturate(160%) blur(6px);
  border-bottom: 1px solid var(--color-border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-serif);
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  white-space: nowrap;
}
.logo .mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--color-primary);
  color: #f6efe3;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.logo small {
  display: block;
  font-family: var(--font-sans);
  font-size: 0.6rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}

.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav a {
  color: var(--color-text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
}
.main-nav a:hover,
.main-nav a[aria-current="page"] {
  color: var(--color-primary);
  border-bottom-color: var(--color-accent);
}

.header-actions { display: flex; align-items: center; gap: 14px; }
.header-phone {
  display: flex; align-items: center; gap: 6px;
  font-weight: 600; font-size: 0.92rem; color: var(--color-primary-dark);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px; height: 42px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
}
.nav-toggle span { display: block; height: 2px; width: 20px; margin: 0 auto; background: var(--color-primary-dark); }

@media (max-width: 880px) {
  .main-nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 24px 26px;
    gap: 14px;
    display: none;
    box-shadow: var(--shadow-md);
  }
  .main-nav.is-open { display: flex; }
  .nav-toggle { display: flex; }
  .header-phone { display: none; }
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  color: #fff;
  overflow: hidden;
}
.hero-media {
  position: absolute; inset: 0;
  z-index: 0;
}
.hero-media img { width: 100%; height: 100%; object-fit: cover; }
.hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,51,42,0.78) 0%, rgba(31,51,42,0.6) 55%, rgba(31,51,42,0.85) 100%);
}
.hero-content {
  position: relative;
  z-index: 1;
  padding: 96px 0 84px;
  max-width: 640px;
}
.hero-content .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 14px;
  display: block;
}
.hero-content h1 { color: #fff; }
.hero-content p { color: #ece6da; font-size: 1.08rem; max-width: 520px; }
.hero-actions { display: flex; gap: 14px; margin-top: 28px; flex-wrap: wrap; }

/* ---------- Page banner (sub-pages) ---------- */
.page-banner {
  position: relative;
  color: #fff;
  padding: 72px 0 56px;
  overflow: hidden;
}
.page-banner .hero-media::after { background: linear-gradient(180deg, rgba(31,51,42,0.82), rgba(31,51,42,0.72)); }
.page-banner .breadcrumbs {
  position: relative; z-index: 1;
  font-size: 0.85rem;
  color: #d9d2c3;
  margin-bottom: 10px;
}
.page-banner .breadcrumbs a { color: #d9d2c3; }
.page-banner .breadcrumbs a:hover { color: #fff; }
.page-banner h1 { position: relative; z-index: 1; color: #fff; margin-bottom: 8px; }
.page-banner p { position: relative; z-index: 1; color: #ece6da; max-width: 560px; }

/* ---------- Sections ---------- */
section { padding: 72px 0; }
.section-head { max-width: 680px; margin: 0 auto 44px; text-align: center; }
.section-head .eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--color-accent-dark);
  display: block;
  margin-bottom: 10px;
}
.bg-surface { background: var(--color-surface); }
.bg-primary { background: var(--color-primary); color: #f3eee3; }
.bg-primary h2, .bg-primary h3 { color: #fff; }
.bg-primary p { color: #d9d2c3; }

/* ---------- Feature strip ---------- */
.feature-strip {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.feature-item { text-align: center; padding: 10px; }
.feature-item .icon {
  width: 54px; height: 54px;
  margin: 0 auto 14px;
  border-radius: 50%;
  background: rgba(201, 151, 44, 0.15);
  color: var(--color-accent-dark);
  display: flex; align-items: center; justify-content: center;
}
.feature-item h3 { font-size: 1.02rem; margin-bottom: 6px; }
.feature-item p { font-size: 0.9rem; color: var(--color-muted); margin: 0; }

@media (max-width: 880px) {
  .feature-strip { grid-template-columns: repeat(2, 1fr); }
}

/* ---------- Category / card grid ---------- */
.grid {
  display: grid;
  gap: 26px;
}
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 980px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

.category-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  aspect-ratio: 4/5;
  color: #fff;
  box-shadow: var(--shadow-sm);
}
.category-card img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.category-card:hover img { transform: scale(1.06); }
.category-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(31,51,42,0) 35%, rgba(22,31,25,0.85) 100%);
}
.category-card .label {
  position: absolute; left: 18px; right: 18px; bottom: 16px; z-index: 1;
}
.category-card .label .count { display: block; font-size: 0.8rem; color: #d9d2c3; margin-top: 2px; }
.category-card .label h3 { color: #fff; margin: 0; }

/* ---------- About teaser / split sections ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 52px;
  align-items: center;
}
.split img { border-radius: var(--radius); box-shadow: var(--shadow-md); width: 100%; height: 100%; object-fit: cover; }
@media (max-width: 880px) {
  .split { grid-template-columns: 1fr; gap: 28px; }
}
.split.reverse .split-media { order: 2; }
.split.reverse .split-copy { order: 1; }
@media (max-width: 880px) {
  .split.reverse .split-media,
  .split.reverse .split-copy { order: initial; }
}

.checklist { list-style: none; margin: 18px 0; padding: 0; }
.checklist li {
  display: flex; align-items: flex-start; gap: 10px;
  margin-bottom: 10px; font-size: 0.97rem;
}
.checklist li svg { flex-shrink: 0; margin-top: 3px; color: var(--color-accent-dark); }

/* ---------- Testimonials ---------- */
.testimonial-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow-sm);
}
.testimonial-card .stars { color: var(--color-accent); letter-spacing: 2px; margin-bottom: 10px; }
.testimonial-card p { font-style: italic; color: var(--color-text); }
.testimonial-author { display: flex; align-items: center; gap: 12px; margin-top: 16px; }
.testimonial-author .avatar {
  width: 42px; height: 42px; border-radius: 50%;
  background: var(--color-primary); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.9rem; font-family: var(--font-serif);
}
.testimonial-author .name { font-weight: 700; font-size: 0.92rem; }
.testimonial-author .role { font-size: 0.8rem; color: var(--color-muted); }

/* ---------- Newsletter ---------- */
.newsletter {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  color: #fff;
}
.newsletter .hero-media::after { background: linear-gradient(180deg, rgba(31,51,42,0.85), rgba(31,51,42,0.78)); }
.newsletter-inner {
  position: relative; z-index: 1;
  padding: 56px 40px;
  text-align: center;
  max-width: 620px;
  margin: 0 auto;
}
.newsletter h2 { color: #fff; }
.newsletter p { color: #ece6da; }

/* ---------- Forms ---------- */
.form-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 600px) {
  .form-grid { grid-template-columns: 1fr; }
}
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 4px; }
.field label { font-size: 0.88rem; font-weight: 600; color: var(--color-primary-dark); }
.field label .req { color: var(--color-accent-dark); }
.field input,
.field select,
.field textarea {
  font-family: var(--font-sans);
  font-size: 0.96rem;
  padding: 11px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  background: #fff;
  color: var(--color-text);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}
.field textarea { resize: vertical; min-height: 110px; }
.field-hint { font-size: 0.78rem; color: var(--color-muted); }

.hp-field { position: absolute; left: -9999px; top: -9999px; }

.newsletter-form {
  display: flex; gap: 10px; margin-top: 24px; flex-wrap: wrap;
  justify-content: center;
}
.newsletter-form input[type="email"] {
  flex: 1; min-width: 220px;
  padding: 13px 18px;
  border-radius: 999px;
  border: none;
  font-size: 0.95rem;
}
.newsletter-form .btn { flex-shrink: 0; }
.newsletter-consent { font-size: 0.78rem; color: #cfc8b9; margin-top: 10px; }
.newsletter-consent a { color: #fff; text-decoration: underline; }

.form-alert {
  display: none;
  padding: 14px 18px;
  border-radius: 10px;
  margin-bottom: 20px;
  font-size: 0.92rem;
  font-weight: 600;
}
.form-alert.show { display: block; }
.form-alert.success { background: #e5f0e6; color: #27512f; border: 1px solid #b8d6bb; }
.form-alert.error { background: #fbe9e7; color: #7a2b20; border: 1px solid #f1c3bb; }

/* ---------- Catalog ---------- */
.catalog-filters {
  display: flex; gap: 10px; flex-wrap: wrap;
  justify-content: center; margin-bottom: 40px;
}
.filter-btn {
  padding: 9px 20px;
  border-radius: 999px;
  border: 1.5px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 600; font-size: 0.88rem;
  cursor: pointer;
  color: var(--color-text);
}
.filter-btn:hover { border-color: var(--color-primary); color: var(--color-primary); }
.filter-btn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

.book-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.book-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.book-cover {
  aspect-ratio: 3/4;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 22px;
  color: #fff;
  position: relative;
}
.book-cover .tag {
  position: absolute; top: 12px; left: 12px;
  background: rgba(255,255,255,0.22);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.book-cover .title { font-family: var(--font-serif); font-size: 1.15rem; font-weight: 700; }
.book-cover .author { font-size: 0.82rem; opacity: 0.85; margin-top: 8px; }
.book-cover .spine { position: absolute; left: 0; top: 0; bottom: 0; width: 10px; background: rgba(0,0,0,0.18); }

.cover-1 { background: linear-gradient(160deg, #2f4a3c, #1f332a); }
.cover-2 { background: linear-gradient(160deg, #7a2e2e, #541f1f); }
.cover-3 { background: linear-gradient(160deg, #c9972c, #a97b1c); color: #2b2420; }
.cover-4 { background: linear-gradient(160deg, #3c5a7a, #263c54); }
.cover-5 { background: linear-gradient(160deg, #5a4a7a, #3b2f54); }
.cover-6 { background: linear-gradient(160deg, #4a6b57, #314838); }
.cover-7 { background: linear-gradient(160deg, #8a5a2e, #603d1c); }
.cover-8 { background: linear-gradient(160deg, #7a3e5a, #54293e); }
.cover-9 { background: linear-gradient(160deg, #37707a, #244b52); }

.book-info { padding: 18px 18px 20px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.book-info .category { font-size: 0.74rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-accent-dark); font-weight: 700; }
.book-info h3 { font-size: 1.05rem; margin: 0; }
.book-info .author { font-size: 0.86rem; color: var(--color-muted); margin: 0 0 8px; }
.book-info .price-row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; }
.book-info .price { font-weight: 700; color: var(--color-primary-dark); font-size: 1.05rem; }
.book-info .mini-btn {
  font-size: 0.82rem; font-weight: 700; color: var(--color-primary);
  border: 1.5px solid var(--color-border); border-radius: 999px;
  padding: 6px 14px;
}
.book-info .mini-btn:hover { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }

/* ---------- Team ---------- */
.team-card { text-align: center; }
.team-card img {
  width: 140px; height: 140px; border-radius: 50%;
  object-fit: cover; margin: 0 auto 16px;
  border: 4px solid var(--color-surface);
  box-shadow: var(--shadow-sm);
}
.team-card h3 { margin-bottom: 2px; }
.team-card .role { color: var(--color-accent-dark); font-weight: 700; font-size: 0.85rem; margin-bottom: 10px; }
.team-card p { font-size: 0.9rem; color: var(--color-muted); }

/* ---------- News ---------- */
.news-card { background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); display: flex; flex-direction: column; }
.news-card img { aspect-ratio: 16/10; object-fit: cover; }
.news-card .news-body { padding: 20px 22px 24px; }
.news-card .date { font-size: 0.78rem; color: var(--color-accent-dark); font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; }
.news-card h3 { margin: 8px 0 10px; }
.news-card p { color: var(--color-muted); font-size: 0.92rem; }

/* ---------- Contact ---------- */
.info-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 24px;
  display: flex; gap: 16px; align-items: flex-start;
  box-shadow: var(--shadow-sm);
}
.info-card .icon {
  width: 46px; height: 46px; border-radius: 12px;
  background: rgba(47,74,60,0.1); color: var(--color-primary);
  display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.info-card h3 { font-size: 1rem; margin-bottom: 4px; }
.info-card p { margin: 0; font-size: 0.92rem; color: var(--color-muted); }

.map-graphic {
  border-radius: var(--radius);
  background: linear-gradient(160deg, #e9e2d2, #dcd3bd);
  border: 1px solid var(--color-border);
  min-height: 320px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.map-graphic svg { width: 64px; height: 64px; color: var(--color-primary); }
.map-graphic .grid-lines {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(47,74,60,0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(47,74,60,0.08) 1px, transparent 1px);
  background-size: 36px 36px;
}
.map-graphic .pin-label {
  position: absolute; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: #fff; padding: 8px 16px; border-radius: 999px;
  font-size: 0.82rem; font-weight: 700; box-shadow: var(--shadow-sm);
  white-space: nowrap;
}

/* ---------- CTA band ---------- */
.cta-band {
  text-align: center;
  background: var(--color-primary);
  color: #fff;
  border-radius: 24px;
  padding: 56px 32px;
}
.cta-band h2 { color: #fff; }
.cta-band p { color: #d9d2c3; max-width: 520px; margin: 0 auto 26px; }
.cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--color-primary-dark);
  color: #cfc8b9;
  padding: 64px 0 28px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.3fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 880px) {
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .footer-grid { grid-template-columns: 1fr; }
}
.site-footer .logo { color: #fff; }
.site-footer .logo small { color: #a7a08f; }
.footer-about p { font-size: 0.9rem; color: #b8b1a0; max-width: 300px; }
.footer-col h4 { color: #fff; font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; margin-bottom: 16px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; }
.footer-col li { margin-bottom: 10px; font-size: 0.9rem; }
.footer-col a { color: #cfc8b9; }
.footer-col a:hover { color: #fff; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  width: 36px; height: 36px; border-radius: 50%;
  background: rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
}
.footer-social a:hover { background: var(--color-accent); color: #2b2420; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.12);
  padding-top: 22px;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px;
  font-size: 0.82rem; color: #a7a08f;
}
.footer-bottom a { color: #a7a08f; }
.footer-bottom a:hover { color: #fff; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
  position: fixed;
  left: 16px; right: 16px; bottom: 16px;
  max-width: 560px;
  margin: 0 auto;
  background: var(--color-primary-dark);
  color: #f1ece0;
  border-radius: 16px;
  padding: 18px 20px;
  box-shadow: var(--shadow-md);
  display: none;
  z-index: 200;
  gap: 14px;
  align-items: center;
  flex-wrap: wrap;
}
.cookie-banner.show { display: flex; }
.cookie-banner p { margin: 0; font-size: 0.86rem; flex: 1 1 260px; color: #d9d2c3; }
.cookie-banner a { color: #fff; text-decoration: underline; }
.cookie-banner .cookie-actions { display: flex; gap: 8px; }
.cookie-banner .btn { padding: 9px 16px; font-size: 0.85rem; }

/* ---------- Simple page (privacy / 404) ---------- */
.prose h2 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }
.prose { max-width: 760px; margin: 0 auto; }

.error-page {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 80px 24px;
}
.error-page .code {
  font-family: var(--font-serif);
  font-size: 5rem;
  color: var(--color-accent);
  margin: 0;
}

@media (max-width: 880px) {
  .hero-content { padding: 72px 0 60px; }
}