/*
Theme Name: ClarityShelf
Theme URI: https://clarityshelf.store
Author: ClarityShelf
Description: A custom, lightweight, fast-loading theme built for selling ebooks. Designed to work with WooCommerce (each ebook = one product, with automatic related-book recommendations and a live-updating shop front page).
Version: 1.0
Requires at least: 6.0
Requires PHP: 7.4
Text Domain: clarityshelf
*/

/* =========================================================
   1. COLOR SYSTEM (matches the ClarityShelf brand / book covers)
   ========================================================= */
:root {
  --cs-ink-dark: #0B2224;
  --cs-teal: #102E30;
  --cs-teal-deep: #081A1B;
  --cs-sage: #7ABBAA;
  --cs-sage-dim: #3A605C;
  --cs-cream: #F0ECE0;
  --cs-white: #FDFDFB;
  --cs-text: #26312F;
  --cs-muted: #6B7674;
  --cs-border: #E4E1D6;
  --cs-radius: 14px;
  --cs-shadow: 0 10px 30px rgba(11, 34, 36, 0.08);
  --cs-shadow-hover: 0 16px 40px rgba(11, 34, 36, 0.14);
}

/* =========================================================
   2. BASE / RESET
   ========================================================= */
* { box-sizing: border-box; }

body {
  font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  color: var(--cs-text);
  background: var(--cs-white);
  margin: 0;
  line-height: 1.65;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
  font-family: 'Poppins', sans-serif;
  color: var(--cs-ink-dark);
  font-weight: 700;
  line-height: 1.25;
  margin: 0 0 18px;
}

a { text-decoration: none; color: var(--cs-sage-dim); transition: all 0.2s ease; }
img { max-width: 100%; display: block; height: auto; }

.cs-container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 24px;
}

/* =========================================================
   3. HEADER / NAVIGATION
   ========================================================= */
.cs-header {
  background: var(--cs-white);
  border-bottom: 1px solid var(--cs-border);
  position: sticky;
  top: 0;
  z-index: 999;
}

.cs-header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 24px;
  max-width: 1180px;
  margin: 0 auto;
}

.cs-logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--cs-ink-dark);
}
.cs-logo span { color: var(--cs-sage-dim); }

.cs-nav ul {
  list-style: none;
  display: flex;
  gap: 34px;
  margin: 0;
  padding: 0;
}

.cs-nav a {
  color: var(--cs-text);
  font-weight: 500;
  font-size: 15px;
}
.cs-nav a:hover { color: var(--cs-sage-dim); }

.cs-menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 26px;
  cursor: pointer;
  color: var(--cs-ink-dark);
}

@media (max-width: 780px) {
  .cs-nav { display: none; width: 100%; }
  .cs-nav.cs-nav-open { display: block; }
  .cs-nav ul { flex-direction: column; gap: 4px; padding: 12px 0; }
  .cs-nav li { border-top: 1px solid var(--cs-border); }
  .cs-nav a { display: block; padding: 12px 4px; }
  .cs-header-inner { flex-wrap: wrap; }
  .cs-menu-toggle { display: block; }
}

/* =========================================================
   4. HERO SECTION (front page)
   ========================================================= */
.cs-hero {
  background: linear-gradient(160deg, var(--cs-teal) 0%, var(--cs-teal-deep) 100%);
  color: var(--cs-white);
  padding: 100px 24px 120px;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cs-hero::before {
  content: "";
  position: absolute;
  width: 700px;
  height: 700px;
  border-radius: 50%;
  border: 1px solid rgba(122, 187, 170, 0.15);
  top: -250px;
  right: -200px;
}
.cs-hero::after {
  content: "";
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 1px solid rgba(122, 187, 170, 0.12);
  bottom: -180px;
  left: -120px;
}

.cs-hero-kicker {
  text-transform: uppercase;
  letter-spacing: 3px;
  font-size: 13px;
  color: var(--cs-sage);
  font-weight: 600;
  margin-bottom: 18px;
}

.cs-hero h1 {
  color: var(--cs-white);
  font-size: 46px;
  max-width: 760px;
  margin: 0 auto 20px;
}
.cs-hero h1 em {
  font-style: normal;
  color: var(--cs-sage);
}

.cs-hero p {
  color: #D7E3E0;
  font-size: 18px;
  max-width: 560px;
  margin: 0 auto 34px;
}

.cs-btn {
  display: inline-block;
  padding: 15px 34px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 15px;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: none;
}

.cs-btn-primary {
  background: var(--cs-sage);
  color: var(--cs-teal-deep);
}
.cs-btn-primary:hover {
  background: var(--cs-white);
  color: var(--cs-teal-deep);
  transform: translateY(-2px);
}

.cs-btn-outline {
  background: transparent;
  color: var(--cs-white);
  border: 1px solid rgba(255,255,255,0.4);
  margin-left: 12px;
}
.cs-btn-outline:hover { border-color: var(--cs-sage); color: var(--cs-sage); }

/* =========================================================
   5. SECTION HEADINGS (reusable)
   ========================================================= */
.cs-section { padding: 80px 24px; }
.cs-section-alt { background: var(--cs-cream); }

.cs-section-head { text-align: center; max-width: 620px; margin: 0 auto 50px; }
.cs-section-head .cs-kicker {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12.5px;
  color: var(--cs-sage-dim);
  font-weight: 600;
  margin-bottom: 10px;
}
.cs-section-head h2 { font-size: 32px; }
.cs-section-head p { color: var(--cs-muted); font-size: 16px; }

/* =========================================================
   6. SHOP GRID (front page — auto-updates with new books)
   ========================================================= */
ul.products {
  display: grid !important;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1180px;
}

ul.products li.product {
  background: var(--cs-white);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 22px;
  text-align: center;
  box-shadow: var(--cs-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
}
ul.products li.product:hover {
  transform: translateY(-6px);
  box-shadow: var(--cs-shadow-hover);
}

ul.products li.product img {
  border-radius: 8px;
  margin: 0 auto 18px;
  box-shadow: 0 12px 24px rgba(11,34,36,0.18);
}

ul.products li.product h2,
ul.products li.product .woocommerce-loop-product__title {
  font-size: 17px;
  margin: 10px 0 6px;
  color: var(--cs-ink-dark);
}

ul.products li.product .price {
  color: var(--cs-sage-dim);
  font-weight: 600;
  font-size: 16px;
}

ul.products li.product .button {
  margin-top: 14px;
  display: inline-block;
  background: var(--cs-teal);
  color: var(--cs-white) !important;
  border-radius: 999px;
  padding: 10px 22px;
  font-size: 14px;
  font-weight: 600;
}
ul.products li.product .button:hover { background: var(--cs-sage-dim); }

/* =========================================================
   6b. BOOK GRID (custom "Book" post type — no WooCommerce needed)
   ========================================================= */
.cs-book-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
}

.cs-book-card {
  background: var(--cs-white);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  padding: 22px;
  text-align: center;
  box-shadow: var(--cs-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  color: var(--cs-text);
  display: block;
}
.cs-book-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--cs-shadow-hover);
}

.cs-book-card-cover img {
  border-radius: 8px;
  margin: 0 auto 18px;
  box-shadow: 0 12px 24px rgba(11,34,36,0.18);
}

.cs-book-card h3 {
  font-size: 17px;
  margin: 10px 0 6px;
  color: var(--cs-ink-dark);
}

.cs-book-card p {
  font-size: 14px;
  color: var(--cs-muted);
  margin: 0;
}

/* "You Might Also Like" section on single book pages */
.cs-related-books {
  margin: 90px auto 60px;
  padding-top: 60px;
  border-top: 1px solid var(--cs-border);
}
.cs-related-books h2 {
  text-align: center;
  font-size: 26px;
  margin-bottom: 40px;
}

/* A ready-to-use "Buy Now" button class you can apply
   inside Elementor's Button widget (Advanced → CSS Classes → cs-buy-btn) */
.cs-buy-btn {
  display: inline-block;
  background: var(--cs-teal) !important;
  color: var(--cs-white) !important;
  border-radius: 999px !important;
  padding: 16px 40px !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  border: none !important;
}
.cs-buy-btn:hover { background: var(--cs-sage-dim) !important; }

/* =========================================================
   7. SINGLE BOOK / PRODUCT PAGE (WooCommerce, if also used)
   ========================================================= */
.single-product .cs-container,
div.product {
  max-width: 1100px;
  margin: 0 auto;
  padding: 60px 24px;
}

div.product div.images img {
  border-radius: var(--cs-radius);
  box-shadow: 0 20px 45px rgba(11,34,36,0.20);
}

div.product div.summary {
  padding: 0 0 0 20px;
}

div.product .product_title {
  font-size: 34px;
  margin-bottom: 10px;
}

div.product p.price {
  font-size: 24px;
  color: var(--cs-sage-dim);
  font-weight: 700;
  margin-bottom: 18px;
}

div.product .woocommerce-product-details__short-description {
  color: var(--cs-text);
  font-size: 16px;
  line-height: 1.8;
  margin-bottom: 26px;
}

div.product a.button,
div.product button.button,
div.product .single_add_to_cart_button {
  background: var(--cs-teal) !important;
  color: var(--cs-white) !important;
  border-radius: 999px !important;
  padding: 16px 40px !important;
  font-size: 16px !important;
  font-weight: 600 !important;
  border: none !important;
  cursor: pointer;
}
div.product a.button:hover,
div.product .single_add_to_cart_button:hover {
  background: var(--cs-sage-dim) !important;
}

/* Product tabs (description) */
.woocommerce-tabs { margin-top: 50px; }
.woocommerce-tabs ul.tabs { border-bottom: 1px solid var(--cs-border); padding: 0; margin-bottom: 24px; }
.woocommerce-tabs ul.tabs li { list-style: none; display: inline-block; margin-right: 28px; }
.woocommerce-tabs ul.tabs li a { font-weight: 600; color: var(--cs-muted); padding-bottom: 10px; display: inline-block; }
.woocommerce-tabs ul.tabs li.active a { color: var(--cs-ink-dark); border-bottom: 2px solid var(--cs-sage); }

/* =========================================================
   8. RELATED PRODUCTS ("Other books you may like")
   ========================================================= */
.related.products {
  margin-top: 90px;
  padding-top: 60px;
  border-top: 1px solid var(--cs-border);
}
.related.products > h2 {
  text-align: center;
  font-size: 26px;
  margin-bottom: 40px;
}
.related.products > h2::after {
  content: "";
}
/* Reuse the same product-grid styling defined in section 6 */

/* =========================================================
   9. FOOTER
   ========================================================= */
.cs-footer {
  background: var(--cs-teal-deep);
  color: #B9C7C4;
  padding: 60px 24px 30px;
  margin-top: 100px;
}
.cs-footer-inner {
  max-width: 1180px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 30px;
}
.cs-footer h4 { color: var(--cs-white); font-size: 15px; margin-bottom: 14px; }
.cs-footer a { color: #B9C7C4; font-size: 14px; }
.cs-footer a:hover { color: var(--cs-sage); }
.cs-footer-bottom {
  max-width: 1180px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-size: 13px;
  color: #7C8B88;
  text-align: center;
}

/* =========================================================
   10. RESPONSIVE (base)
   ========================================================= */
@media (max-width: 900px) {
  .cs-hero h1 { font-size: 34px; }
  div.product div.summary { padding: 30px 0 0; }
  div.product.cs-container,
  div.product { padding: 40px 20px; }
}

/* =========================================================
   11. BLOG — listing grid ("The Journal")
   ========================================================= */
.cs-blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  max-width: 1180px;
  margin: 0 auto;
}

.cs-blog-card {
  display: block;
  background: var(--cs-white);
  border: 1px solid var(--cs-border);
  border-radius: var(--cs-radius);
  overflow: hidden;
  box-shadow: var(--cs-shadow);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  color: inherit;
}
.cs-blog-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--cs-shadow-hover);
}
.cs-blog-card-cover img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
}
.cs-blog-card-body { padding: 22px 22px 26px; }
.cs-blog-card-date {
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--cs-sage-dim);
}
.cs-blog-card-body h3 {
  font-size: 18px;
  color: var(--cs-ink-dark);
  margin: 10px 0 8px;
  line-height: 1.35;
}
.cs-blog-card-body p {
  font-size: 14.5px;
  color: var(--cs-muted);
  margin: 0;
  line-height: 1.6;
}

.cs-blog-pagination {
  margin-top: 50px;
  display: flex;
  justify-content: center;
  gap: 16px;
}
.cs-blog-pagination .page-numbers {
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 14px;
  color: var(--cs-ink-dark);
  padding: 10px 18px;
  border: 1px solid var(--cs-border);
  border-radius: 999px;
}
.cs-blog-pagination .page-numbers.current {
  background: var(--cs-teal);
  color: var(--cs-white);
  border-color: var(--cs-teal);
}
.cs-blog-pagination .page-numbers:hover:not(.current) {
  border-color: var(--cs-sage-dim);
  color: var(--cs-sage-dim);
}

/* =========================================================
   12. SINGLE BLOG POST — readable article layout
   ========================================================= */
.cs-post {
  max-width: 720px;
  margin: 0 auto;
  padding: 70px 24px 40px;
}
.cs-post-head { margin-bottom: 30px; }
.cs-post-date {
  font-family: 'Poppins', sans-serif;
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cs-sage-dim);
  display: block;
  margin-bottom: 14px;
}
.cs-post-head h1 {
  font-size: clamp(28px, 4.4vw, 40px);
  color: var(--cs-ink-dark);
  line-height: 1.25;
  margin: 0;
}
.cs-post-cover {
  margin: 0 0 40px;
  border-radius: var(--cs-radius);
  overflow: hidden;
  box-shadow: var(--cs-shadow);
}
.cs-post-cover img { width: 100%; display: block; }

.cs-post-content {
  font-size: 17px;
  line-height: 1.85;
  color: var(--cs-text);
}
.cs-post-content p { margin: 0 0 22px; }
.cs-post-content h2 {
  font-size: 25px;
  color: var(--cs-ink-dark);
  margin: 44px 0 16px;
}
.cs-post-content h3 {
  font-size: 20px;
  color: var(--cs-ink-dark);
  margin: 34px 0 14px;
}
.cs-post-content ul,
.cs-post-content ol {
  margin: 0 0 22px;
  padding-left: 24px;
}
.cs-post-content li { margin-bottom: 10px; }
.cs-post-content a { color: var(--cs-sage-dim); text-decoration: underline; }
.cs-post-content blockquote {
  margin: 30px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--cs-sage-dim);
  font-style: italic;
  color: var(--cs-ink-dark);
}
.cs-post-content img {
  border-radius: var(--cs-radius);
  margin: 30px 0;
}

/* End-of-post CTA box, auto-inserted after post content */
.cs-post-cta {
  max-width: 720px;
  margin: 50px auto 0;
  background: linear-gradient(165deg, var(--cs-teal) 0%, var(--cs-teal-deep) 100%);
  border-radius: var(--cs-radius);
  padding: 34px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cs-post-cta::before {
  content: "";
  position: absolute;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 1px solid rgba(122,187,170,0.15);
  top: -120px; right: -80px;
}
.cs-post-cta p.cs-post-cta-kicker {
  font-family: 'Poppins', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--cs-sage);
  margin: 0 0 10px;
  position: relative;
}
.cs-post-cta h3 {
  color: var(--cs-white);
  font-size: 21px;
  margin: 0 0 12px;
  position: relative;
}
.cs-post-cta p.cs-post-cta-text {
  color: #C6D6D2;
  font-size: 14.5px;
  max-width: 440px;
  margin: 0 auto 22px;
  position: relative;
}
.cs-post-cta a.cs-post-cta-btn {
  display: inline-block;
  background: var(--cs-sage);
  color: var(--cs-teal-deep);
  font-family: 'Poppins', sans-serif;
  font-weight: 600;
  font-size: 13.5px;
  letter-spacing: 0.3px;
  text-transform: uppercase;
  border-radius: 999px;
  padding: 13px 30px;
  position: relative;
}

/* =========================================================
   13. RESPONSIVE (blog)
   ========================================================= */
@media (max-width: 640px) {
  .cs-post { padding: 50px 20px 30px; }
  .cs-blog-grid { grid-template-columns: 1fr; }
}