/* ============================================
   BestNotes — New Sections Stylesheet
   Bundle · About · Free Notes · Product upgrades
   ============================================ */

/* ====================================================
   PRODUCT CARD UPGRADES
==================================================== */
.product-top-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.product-subtitle {
  font-size: 12px;
  color: var(--text);
  margin-top: 2px;
  line-height: 1.4;
}

.update-badge {
  font-size: 11px;
  color: var(--text);
  white-space: nowrap;
  flex-shrink: 0;
  padding-top: 2px;
}

/* Language tabs on product cards */
.lang-tabs {
  display: flex;
  gap: 6px;
  margin: 10px 0;
}

.lang-tab {
  padding: 5px 14px;
  border-radius: var(--r-pill);
  font-size: 12.5px;
  font-weight: 600;
  border: 1.5px solid var(--border-strong);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease-soft);
  font-family: var(--font-body);
}

.lang-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.lang-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

/* ── Language radio buttons (◉ हिन्दी  ○ English) ── */
.lang-radio-group {
  display: flex;
  gap: 16px;
  margin: 10px 0;
  align-items: center;
}

.lang-radio-label {
  display: flex;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  transition: color 0.15s;
  user-select: none;
}

.lang-radio { display: none; }

.lang-radio-dot {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 2px solid var(--border-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: border-color 0.15s;
  position: relative;
}

.lang-radio-dot::after {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--primary);
  opacity: 0;
  transform: scale(0);
  transition: opacity 0.15s, transform 0.15s var(--ease);
}

.lang-radio:checked + .lang-radio-dot {
  border-color: var(--primary);
}

.lang-radio:checked + .lang-radio-dot::after {
  opacity: 1;
  transform: scale(1);
}

.lang-radio:checked ~ .lang-radio-text {
  color: var(--primary);
  font-weight: 600;
}

.lang-radio-label:hover .lang-radio-dot { border-color: var(--primary); }
.lang-radio-label:hover .lang-radio-text { color: var(--ink); }

.lang-single {
  font-size: 12px;
  color: var(--text);
  margin: 8px 0;
  font-weight: 500;
}

/* Discount badge on card */
.discount-badge {
  font-size: 11px;
  font-weight: 700;
  color: var(--success);
  background: rgba(22, 163, 74, 0.1);
  padding: 2px 7px;
  border-radius: var(--r-pill);
  margin-left: 4px;
}

.card-btns {
  display: flex;
  gap: 8px;
  align-items: center;
}

.preview-btn {
  padding: 10px 12px !important;
  flex-shrink: 0;
}

/* No results state */
.no-results {
  grid-column: 1 / -1;
  text-align: center;
  padding: 64px 20px;
}

.no-results-title {
  font-size: 17px;
  font-weight: 600;
  color: var(--ink);
  margin-bottom: 6px;
}

/* Load more */
.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

#loadMoreBtn {
  min-width: 200px;
}

/* ====================================================
   BUNDLE SECTION
==================================================== */
.bundle-section { background: linear-gradient(160deg, #f0f4ff 0%, #fafafa 60%); }

.bundle-card {
  overflow: hidden;
  position: relative;
  padding: 0;
}

.bundle-badge-wrap {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  padding: 10px 28px;
  text-align: center;
}

.bundle-most-popular {
  font-size: 13px;
  font-weight: 700;
  color: white;
  letter-spacing: 0.04em;
}

.bundle-inner {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 0;
}

.bundle-visual {
  background: linear-gradient(160deg, #1a3a6b 0%, #111827 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 52px 36px;
  min-height: 360px;
}

.bundle-pages-stack {
  position: relative;
  width: 200px;
  height: 260px;
}

.bundle-page {
  position: absolute;
  border-radius: 12px;
  background: #FFFDF6;
}

.bp-3 {
  inset: 0;
  transform: rotate(-8deg) translate(-12px, 8px);
  opacity: 0.35;
}

.bp-2 {
  inset: 0;
  transform: rotate(-4deg) translate(-6px, 4px);
  opacity: 0.6;
}

.bp-1 {
  inset: 0;
  transform: rotate(0deg);
  padding: 22px 20px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.bundle-subject-tag {
  margin-top: auto;
  font-size: 10px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.bundle-info {
  padding: 44px 48px;
}

.bundle-title {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 800;
  color: var(--ink);
  margin-bottom: 4px;
  line-height: 1.2;
}

.bundle-subtitle {
  font-size: 15px;
  color: var(--text);
  margin-bottom: 28px;
}

.bundle-includes {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 20px;
  margin-bottom: 28px;
}

.bundle-include-item {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--text-dark);
}

.bundle-include-item svg { color: var(--success); flex-shrink: 0; }

.bundle-lang-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 22px;
}

.bundle-lang-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.bundle-lang-tabs {
  display: flex;
  gap: 6px;
}

.bundle-lang-tab {
  padding: 6px 16px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  border: 1.5px solid var(--border-strong);
  color: var(--text);
  background: transparent;
  cursor: pointer;
  transition: all 0.2s var(--ease-soft);
  font-family: var(--font-body);
}

.bundle-lang-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
}

.bundle-pricing-row {
  margin-bottom: 28px;
}

.bundle-price {
  font-size: 36px;
  font-weight: 800;
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.bundle-price-was {
  font-size: 18px;
  color: var(--text);
  text-decoration: line-through;
  margin-left: 10px;
}

.bundle-discount {
  margin-left: 8px;
  font-size: 13px !important;
  padding: 4px 10px !important;
}

.bundle-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.bundle-buy-btn {
  flex: 1;
  min-width: 200px;
  padding: 16px 28px;
  font-size: 16px;
}

@media (max-width: 900px) {
  .bundle-inner { grid-template-columns: 1fr; }
  .bundle-visual { min-height: 220px; padding: 36px; }
  .bundle-info { padding: 32px 28px; }
  .bundle-includes { grid-template-columns: 1fr; }
}

@media (max-width: 540px) {
  .bundle-info { padding: 24px 20px; }
  .bundle-actions { flex-direction: column; }
  .bundle-buy-btn { min-width: unset; }
}

/* ====================================================
   FREE NOTES SECTION
==================================================== */
.free-notes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.free-note-card { overflow: hidden; }

.free-thumb {
  position: relative;
  background: linear-gradient(160deg, #1a3a6b 0%, #111827 100%);
  padding: 24px 20px 20px;
  min-height: 130px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.free-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  background: var(--success);
  color: white;
  font-size: 11px;
  font-weight: 800;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  letter-spacing: 0.06em;
}

.free-body {
  padding: 20px 22px 24px;
}

.free-body h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--ink);
}

.free-body p {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 16px;
  line-height: 1.5;
}

.free-dl-btn {
  width: 100%;
  justify-content: center;
}

@media (max-width: 900px) {
  .free-notes-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 560px) {
  .free-notes-grid { grid-template-columns: 1fr; }
}

/* ====================================================
   HOW IT WORKS
==================================================== */
.how-steps {
  display: flex;
  align-items: center;
  gap: 0;
  justify-content: center;
}

.how-step {
  flex: 1;
  max-width: 260px;
  text-align: center;
  padding: 40px 28px;
}

.how-step-num {
  font-size: 11px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.1em;
  margin-bottom: 14px;
}

.how-step-icon { font-size: 36px; margin-bottom: 16px; }

.how-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}

.how-step p {
  font-size: 14px;
  color: var(--text);
  line-height: 1.55;
}

.how-arrow {
  flex-shrink: 0;
  color: var(--border-strong);
  margin: 0 8px;
  margin-bottom: 24px;
}

.how-arrow svg { width: 40px; height: 24px; }

@media (max-width: 780px) {
  .how-steps { flex-direction: column; gap: 0; }
  .how-arrow { transform: rotate(90deg); margin: 0; }
  .how-step { max-width: 100%; width: 100%; }
}

/* ====================================================
   ABOUT SECTION
==================================================== */
.about-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}

.about-copy .eyebrow { display: inline-flex; }

.about-copy h2 { margin-bottom: 24px; }

.about-copy p {
  color: var(--text);
  font-size: 16px;
  line-height: 1.7;
}

.about-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  margin-top: 40px;
  padding-top: 36px;
  border-top: 1px solid var(--border);
}

.about-stat {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.about-stat-num {
  font-size: 26px;
  font-weight: 800;
  color: var(--ink);
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.about-stat span:last-child {
  font-size: 12.5px;
  color: var(--text);
  font-weight: 500;
}

.about-visual {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.about-notes-pile {
  position: relative;
  width: 220px;
  height: 280px;
}

.about-note {
  position: absolute;
  border-radius: 14px;
  background: #FFFDF6;
  border: 1px solid rgba(17,24,39,0.1);
  box-shadow: var(--shadow-md);
}

.an-3 {
  inset: 0;
  transform: rotate(-10deg) translate(-16px, 14px);
  opacity: 0.3;
  background: linear-gradient(160deg, #1a3a6b, #111827);
}

.an-2 {
  inset: 0;
  transform: rotate(-5deg) translate(-8px, 7px);
  opacity: 0.6;
  background: linear-gradient(160deg, #1D4ED8, #1a3a6b);
}

.an-1 {
  inset: 0;
  padding: 22px 18px 16px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  background: #FFFDF6;
}

.about-note-label {
  margin-top: auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.about-note-label span {
  display: block;
  font-size: 10px;
  font-weight: 500;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}

.about-trust-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  padding: 10px 20px;
  border-radius: var(--r-pill);
  font-size: 13px;
  font-weight: 600;
  color: var(--text-dark);
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 48px; }
  .about-visual { order: -1; }
  .about-stats { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 540px) {
  .about-stats { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .about-stat-num { font-size: 22px; }
}

/* ====================================================
   DARK MODE OVERRIDES for new sections
==================================================== */
.dark .bundle-section { background: linear-gradient(160deg, #0f1a2e 0%, #111827 60%); }
.dark .bundle-page.bp-1 { background: #1F2937; }
.dark .bundle-page.bp-1 .bundle-subject-tag { color: var(--primary-light); }
.dark .bundle-title { color: #F9FAFB; }

.dark .free-body h3 { color: #F9FAFB; }
.dark .lang-tab { border-color: rgba(255,255,255,0.12); color: #9CA3AF; }
.dark .lang-tab.active { background: var(--primary); border-color: var(--primary); color: white; }
.dark .bundle-lang-tab { border-color: rgba(255,255,255,0.12); color: #9CA3AF; }
.dark .bundle-lang-tab.active { background: var(--primary); color: white; }
.dark .about-stat-num { color: #F9FAFB; }
.dark .about-note.an-1 { background: #1F2937; }

.dark .how-step h3 { color: #F9FAFB; }
.dark .bundle-price { color: #F9FAFB; }
.dark .about-trust-pill { background: #1F2937; border-color: rgba(255,255,255,0.1); color: #D1D5DB; }
.dark .discount-badge { background: rgba(22,163,74,0.15); }
.dark .update-badge { color: #6B7280; }
.dark .product-subtitle { color: #6B7280; }

/* Toast error variant */
.toast.toast-error { background: #991B1B; }

/* Product card title link */
.product-title-link {
  text-decoration: none;
  color: inherit;
  display: block;
}
.product-title-link h3 {
  transition: color 0.15s;
}
.product-title-link:hover h3 {
  color: var(--primary);
}

/* ── Dark mode: radio buttons ── */
.dark .lang-radio-dot { border-color: rgba(255,255,255,0.25); }
.dark .lang-radio:checked + .lang-radio-dot { border-color: var(--primary-light); }
.dark .lang-radio:checked + .lang-radio-dot::after { background: var(--primary-light); }
.dark .lang-radio:checked ~ .lang-radio-text { color: var(--primary-light); }
.dark .lang-radio-label { color: #9CA3AF; }

/* ── Button ripple ── */
.btn { position: relative; overflow: hidden; }

.ripple {
  position: absolute;
  border-radius: 50%;
  background: rgba(255,255,255,0.28);
  transform: scale(0);
  animation: rippleAnim 0.55s linear;
  pointer-events: none;
}

.btn-secondary .ripple,
.btn-ghost .ripple { background: rgba(37,99,235,0.15); }

@keyframes rippleAnim {
  to { transform: scale(4); opacity: 0; }
}

/* ── Product card hover lift ── */
.product-card {
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
  cursor: pointer;
}
.product-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 48px rgba(17,24,39,0.13);
}


/* ====================================================
   PREMIUM UPGRADE PACK — v3
   Reviews · Hero · Covers · About · Dark Mode
==================================================== */

/* ── Cover SVG fills its container cleanly ── */
.cover-svg {
  width: 100%;
  height: 100%;
  display: block;
}

.product-cover-thumb {
  background: #0f1a2e;   /* dark fallback while SVG renders */
  aspect-ratio: 16 / 10;
  overflow: hidden;
  position: relative;
  border-radius: var(--r-lg) var(--r-lg) 0 0;
}

/* Notes page header / footer rows inside hero device */
.notes-page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}
.notes-page-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid rgba(17,24,39,0.07);
}

/* Hero bg blob — animated colour orb behind device */
.hero-bg-blob {
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, rgba(201,162,39,0.06) 50%, transparent 70%);
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  pointer-events: none;
  animation: blobPulse 8s ease-in-out infinite;
  z-index: -1;
}
@keyframes blobPulse {
  0%,100% { transform: translate(-50%,-50%) scale(1); opacity: 0.8; }
  50%      { transform: translate(-50%,-50%) scale(1.12); opacity: 1; }
}

/* Enhanced device glow */
.device-glow {
  position: absolute;
  inset: -20px;
  border-radius: 50%;
  background: radial-gradient(ellipse 80% 60% at 50% 60%,
    rgba(37,99,235,0.22) 0%,
    rgba(201,162,39,0.08) 50%,
    transparent 70%);
  pointer-events: none;
  animation: glowPulse 4s ease-in-out infinite alternate;
}
@keyframes glowPulse {
  from { opacity: 0.7; }
  to   { opacity: 1; }
}

/* ====================================================
   REVIEWS — premium redesign
==================================================== */
.reviews-section { background: var(--bg); }

/* Overall rating summary */
.rating-summary {
  display: flex;
  align-items: flex-start;
  gap: 32px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 32px 40px;
  margin-bottom: 56px;
  box-shadow: var(--shadow-sm);
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: 56px;
}

.rating-big {
  font-size: 56px;
  font-weight: 800;
  font-family: var(--font-display);
  color: var(--ink);
  line-height: 1;
  letter-spacing: -0.03em;
  flex-shrink: 0;
}

.rating-summary-right { flex: 1; }

.rating-summary-label {
  font-size: 13px;
  color: var(--text);
  margin-bottom: 14px;
  font-weight: 500;
}

.rating-bars { display: flex; flex-direction: column; gap: 6px; }

.rating-bar-row {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  color: var(--text);
  font-weight: 500;
}

.rating-bar-row > span:first-child { width: 22px; flex-shrink: 0; }
.rating-bar-row > span:last-child  { width: 30px; flex-shrink: 0; text-align: right; }

.rating-bar-track {
  flex: 1;
  height: 6px;
  background: rgba(17,24,39,0.07);
  border-radius: 99px;
  overflow: hidden;
}

.rating-bar-fill {
  height: 100%;
  background: var(--gold);
  border-radius: 99px;
  transition: width 1s var(--ease) 0.5s;
}

/* 6-column review grid */
.reviews-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 900px) { .reviews-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 580px) { .reviews-grid { grid-template-columns: 1fr; } }

/* Review card */
.review-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  cursor: default;
}

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

.reviewer-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 14px;
  color: white;
  font-family: var(--font-display);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.reviewer-info { flex: 1; }

.reviewer-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--ink);
  line-height: 1.3;
}

.reviewer-meta {
  font-size: 12px;
  color: var(--text);
  margin-top: 1px;
}

.verified-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--success);
  background: rgba(22,163,74,0.08);
  padding: 3px 9px;
  border-radius: var(--r-pill);
  white-space: nowrap;
  flex-shrink: 0;
}

.review-stars { color: var(--gold); margin-bottom: -4px; }
.review-stars svg { width: 14px; height: 14px; fill: currentColor; }

.review-text {
  font-size: 14px;
  color: var(--text-dark);
  line-height: 1.65;
  flex: 1;
  font-style: italic;
}

.review-text::before { content: '"'; }
.review-text::after  { content: '"'; }

.review-subject-tag {
  font-size: 12px;
  font-weight: 600;
  color: var(--primary);
  background: rgba(37,99,235,0.07);
  padding: 5px 12px;
  border-radius: var(--r-pill);
  align-self: flex-start;
}

/* Rating summary mobile */
@media (max-width: 580px) {
  .rating-summary { flex-direction: column; gap: 20px; padding: 24px 20px; }
  .rating-big { font-size: 44px; }
}

/* ====================================================
   ABOUT — mini stats row under trust pill
==================================================== */
.about-mini-stats {
  display: flex;
  gap: 20px;
  margin-top: 16px;
}

.about-mini-stat {
  display: flex;
  align-items: center;
  gap: 7px;
  font-size: 12px;
  font-weight: 600;
  color: var(--text);
  background: var(--card);
  border: 1px solid var(--border);
  padding: 7px 14px;
  border-radius: var(--r-pill);
  box-shadow: var(--shadow-sm);
}

.about-mini-stat span { font-size: 16px; }

@media (max-width: 480px) {
  .about-mini-stats { flex-direction: column; gap: 10px; }
}

/* ====================================================
   THUMB BADGE FIX — opaque on gradient covers
==================================================== */
.thumb-badge {
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 3;
  background: rgba(255,255,255,0.94) !important;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.18);
}

/* ====================================================
   DARK MODE — review + rating summary
==================================================== */
.dark .rating-summary {
  background: #1F2937;
  border-color: rgba(255,255,255,0.08);
}
.dark .rating-big { color: #F9FAFB; }
.dark .rating-bar-track { background: rgba(255,255,255,0.08); }
.dark .reviewer-name { color: #F9FAFB; }
.dark .review-text { color: #D1D5DB; }
.dark .review-card { background: #1F2937; border-color: rgba(255,255,255,0.07); }
.dark .verified-badge { background: rgba(22,163,74,0.15); }
.dark .review-subject-tag { background: rgba(37,99,235,0.14); }
.dark .about-mini-stat { background: #1F2937; border-color: rgba(255,255,255,0.08); color: #9CA3AF; }