/*
  STYLES (Option 1 - simple and not too bright)
  ------------------------------------------------
  - No external dependencies
  - Responsive layout
*/

:root {
  --bg: #f6f1ea;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: rgba(15, 23, 42, 0.12);
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --primary: #0b2a6f;
  --primary-2: #123a93;
  --radius: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

a { color: inherit; }

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(246, 241, 234, 0.85);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  font-weight: 700;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
}

.nav {
  display: flex;
  align-items: center;
  gap: 12px;
}

.nav-link {
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 999px;
  color: var(--muted);
}

.nav-link:hover {
  background: rgba(11, 42, 111, 0.08);
  color: var(--text);
}

.nav-link.active {
  background: rgba(11, 42, 111, 0.10);
  color: var(--text);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--text);
  margin: 4px auto;
  border-radius: 2px;
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav {
    display: none;
    position: absolute;
    right: 16px;
    top: 64px;
    background: var(--surface);
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    border-radius: var(--radius);
    padding: 10px;
    flex-direction: column;
    min-width: 220px;
  }
  .nav.nav-open { display: flex; }
  .nav-link { width: 100%; }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 16px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  text-decoration: none;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #ffffff;
}

.btn-primary:hover { background: var(--primary-2); }

.btn-secondary {
  background: rgba(11, 42, 111, 0.08);
  border-color: rgba(11, 42, 111, 0.16);
  color: var(--text);
}

.btn-secondary:hover { background: rgba(11, 42, 111, 0.12); }

/* Hero */
.hero {
  padding: 42px 0 22px 0;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 18px;
  /* Prevent the right-side card from stretching to the full height of the left column */
  align-items: start;
}

@media (max-width: 980px) {
  .hero-grid { grid-template-columns: 1fr; }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  color: var(--muted);
  font-weight: 600;
}

.pill i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary);
  display: inline-block;
}

.hero h1 {
  font-size: clamp(32px, 4vw, 50px);
  line-height: 1.08;
  margin: 16px 0 10px 0;
}

.hero p {
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.6;
  max-width: 60ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 16px;
  align-items: center;
}

.hero-note {
  color: var(--muted);
  font-size: 14px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}

.home-quick {
  margin-top: 12px;
  display: grid;
  gap: 12px;
}

.home-quick-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 10px;
  align-items: start;
}

.home-quick-row span {
  color: var(--muted);
}

.section {
  padding: 22px 0 34px 0;
}

.page-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.page-title h2 {
  margin: 0;
  font-size: 28px;
}

.page-title h1 {
  margin: 0;
  font-size: 28px;
}

.page-title p {
  margin: 6px 0 0 0;
  color: var(--muted);
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

@media (max-width: 980px) {
  .grid-2 { grid-template-columns: 1fr; }
}

details {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 14px 16px;
}

summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

summary::-webkit-details-marker { display: none; }

details p {
  margin: 10px 0 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  font-weight: 600;
}

.footer {
  border-top: 1px solid var(--border);
  padding: 20px 0;
  background: rgba(255, 255, 255, 0.35);
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

@media (max-width: 860px) {
  .footer-inner { flex-direction: column; }
}

.footer-title {
  font-weight: 800;
}

.footer-muted {
  color: var(--muted);
  margin-top: 6px;
}

.footer-links {
  color: var(--muted);
}

.footer-link {
  color: var(--muted);
  text-decoration: none;
}

.footer-link:hover { text-decoration: underline; }

/* Homepage-only mode: visual disabled state */
.homepage-only a.is-disabled-link {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ------------------------------
   Books catalogue page
   ------------------------------ */

.catalogue-filters {
  margin-bottom: 16px;
}

.filters-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 12px;
  align-items: start;
}

@media (max-width: 980px) {
  .filters-grid {
    grid-template-columns: 1fr;
  }
}

.filter-item {
  display: grid;
  gap: 6px;
}

.filter-label {
  font-weight: 700;
  color: var(--muted);
  font-size: 13px;
}

.filter-input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 12px;
  background: var(--surface);
  font-size: 14px;
}

.filters-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 12px;
}

.filters-note {
  margin: 12px 0 0 0;
  color: var(--muted);
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 16px;
}

@media (max-width: 980px) {
  .books-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .books-grid { grid-template-columns: 1fr; }
}

.book-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.book-cover {
  width: 100%;
  aspect-ratio: 4 / 5;
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  background: rgba(15, 23, 42, 0.04);
}

.book-cover img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.book-title {
  font-weight: 800;
  line-height: 1.25;
}

.book-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.4;
}

.price-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.mrp {
  color: var(--muted);
  text-decoration: line-through;
}

.sale {
  font-weight: 900;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(11, 42, 111, 0.08);
  border: 1px solid rgba(11, 42, 111, 0.16);
  font-weight: 800;
  font-size: 12px;
}

.book-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.pagination {
  display: flex;
  gap: 8px;
  justify-content: center;
  margin-top: 18px;
  flex-wrap: wrap;
}

.page-btn {
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 12px;
  padding: 10px 12px;
  cursor: pointer;
  font-weight: 700;
}

.page-btn.active {
  background: rgba(11, 42, 111, 0.10);
  border-color: rgba(11, 42, 111, 0.22);
}

.page-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.actions{display:flex;gap:10px;flex-wrap:wrap;}


/* Contact form */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-field.full {
  grid-column: 1 / -1;
}

.form-label {
  font-weight: 700;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
}

.form-textarea {
  min-height: 120px;
  resize: vertical;
}

.form-help {
  color: var(--muted);
  line-height: 1.7;
  font-size: 14px;
}

.form-status {
  margin-top: 10px;
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
  color: var(--muted);
}

.form-status.status-success {
  border-color: rgba(46, 204, 113, 0.35);
  color: var(--text);
}

.form-status.status-error {
  border-color: rgba(231, 76, 60, 0.35);
  color: var(--text);
}

.form-status.status-info {
  border-color: rgba(52, 152, 219, 0.35);
  color: var(--text);
}

@media (max-width: 860px) {
  .form-grid {
    grid-template-columns: 1fr;
  }
}