/* ═══════════════════════════════════════════
   NotesBazaar – style.css
   Aesthetic: Bold editorial + warm academic
═══════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg:          #f8f6f1;
  --bg2:         #ffffff;
  --surface:     #ffffff;
  --surface2:    #f0ede6;
  --border:      #e4dfd4;
  --text:        #1a1510;
  --text-muted:  #6b6457;
  --accent:      #e85d04;
  --accent2:     #f48c06;
  --accent-glow: rgba(232,93,4,0.15);
  --navy:        #1a2a4a;
  --green:       #25d366;
  --grad:        linear-gradient(135deg, #e85d04 0%, #f48c06 100%);
  --card-shadow: 0 4px 24px rgba(26,21,16,0.08);
  --card-hover:  0 12px 40px rgba(232,93,4,0.18);
  --radius:      16px;
  --radius-sm:   10px;
  --font-head:   'Plus Jakarta Sans', sans-serif;
  --font-body:   'Inter', sans-serif;
  --transition:  0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --bg:          #0f0d0a;
  --bg2:         #1a1712;
  --surface:     #1e1b16;
  --surface2:    #252118;
  --border:      #2e2a22;
  --text:        #f5f0e8;
  --text-muted:  #9e9484;
  --accent-glow: rgba(232,93,4,0.25);
  --card-shadow: 0 4px 24px rgba(0,0,0,0.4);
  --card-hover:  0 12px 40px rgba(232,93,4,0.3);
}

/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  transition: background var(--transition), color var(--transition);
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,h6 { font-family: var(--font-head); }

/* ── LOADER ── */
#loader {
  position: fixed; inset: 0; z-index: 9999;
  background: var(--bg);
  display: flex; align-items: center; justify-content: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
#loader.hidden { opacity: 0; visibility: hidden; }
.loader-inner { text-align: center; }
.loader-book {
  width: 60px; height: 44px;
  display: flex; align-items: flex-end; justify-content: center; gap: 4px;
  margin: 0 auto 16px;
}
.loader-book .page {
  width: 16px; height: 100%;
  background: var(--grad);
  border-radius: 3px 3px 0 0;
  animation: bookBounce 0.9s ease-in-out infinite;
}
.loader-book .page:nth-child(2) { animation-delay: 0.15s; height: 75%; }
.loader-book .page:nth-child(3) { animation-delay: 0.3s; height: 55%; }
@keyframes bookBounce {
  0%,100% { transform: scaleY(1); }
  50% { transform: scaleY(1.3); }
}
.loader-text {
  font-family: var(--font-head); font-size: 1rem; color: var(--text-muted);
  letter-spacing: 0.05em;
}
.dots { animation: dotPulse 1.2s infinite; }
@keyframes dotPulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ── NAVBAR ── */
#mainNav {
  background: rgba(248,246,241,0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  transition: background var(--transition);
  z-index: 1000;
}
[data-theme="dark"] #mainNav { background: rgba(15,13,10,0.92); }
#mainNav.scrolled { box-shadow: 0 2px 20px rgba(0,0,0,0.1); }
.brand-icon {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--grad); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem; flex-shrink: 0;
}
.brand-name {
  font-family: var(--font-head); font-size: 1.25rem; font-weight: 800;
  color: var(--text);
}
.brand-name .accent { color: var(--accent); }
.nav-link {
  font-family: var(--font-head); font-weight: 600; font-size: 0.9rem;
  color: var(--text-muted) !important;
  padding: 6px 14px !important; border-radius: 8px;
  transition: color var(--transition), background var(--transition);
}
.nav-link:hover, .nav-link.active {
  color: var(--accent) !important;
  background: var(--accent-glow);
}
.btn-nav-cta {
  background: var(--grad); color: #fff !important;
  border: none; border-radius: 50px;
  padding: 8px 20px; font-family: var(--font-head); font-weight: 600;
  font-size: 0.88rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-nav-cta:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow); color: #fff; }
.navbar-toggler {
  border: none; background: var(--surface2) !important;
  border-radius: 8px; padding: 6px 10px;
}
.toggler-icon { font-size: 1.4rem; color: var(--text); }
.dark-toggle-btn {
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: 50%; width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; color: var(--text); font-size: 1rem;
  transition: all var(--transition);
}
.dark-toggle-btn:hover { background: var(--accent-glow); border-color: var(--accent); color: var(--accent); }

/* ── HERO ── */
.hero-section {
  background: var(--bg); position: relative;
  padding: 60px 0 80px; overflow: hidden;
}
.min-vh-hero { min-height: calc(100vh - 70px); }
.hero-bg-shapes { position: absolute; inset: 0; pointer-events: none; }
.shape {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.4;
}
.s1 { width: 500px; height: 500px; background: radial-gradient(circle, #f48c06 0%, transparent 70%); top: -150px; right: -100px; }
.s2 { width: 350px; height: 350px; background: radial-gradient(circle, #e85d04 0%, transparent 70%); bottom: -100px; left: -50px; opacity: 0.2; }
.s3 { width: 200px; height: 200px; background: radial-gradient(circle, #ffb703 0%, transparent 70%); top: 40%; left: 30%; opacity: 0.15; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--accent-glow); border: 1px solid rgba(232,93,4,0.3);
  color: var(--accent); border-radius: 50px;
  padding: 6px 16px; font-size: 0.82rem; font-weight: 600;
  font-family: var(--font-head); margin-bottom: 20px;
  animation: fadeInUp 0.6s ease both;
}
.hero-heading {
  font-size: clamp(2.4rem, 6vw, 4.5rem); font-weight: 800;
  line-height: 1.1; color: var(--text); margin-bottom: 20px;
  animation: fadeInUp 0.6s 0.1s ease both;
}
.gradient-text {
  background: var(--grad); -webkit-background-clip: text;
  -webkit-text-fill-color: transparent; background-clip: text;
}
.hero-sub {
  font-size: 1.05rem; color: var(--text-muted); max-width: 480px;
  line-height: 1.7; margin-bottom: 32px;
  animation: fadeInUp 0.6s 0.2s ease both;
}
.hero-btns {
  display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 40px;
  animation: fadeInUp 0.6s 0.3s ease both;
}
.btn-primary-custom {
  background: var(--grad); color: #fff; border: none;
  border-radius: 50px; padding: 12px 28px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  transition: transform var(--transition), box-shadow var(--transition);
}
.btn-primary-custom:hover { transform: translateY(-2px); box-shadow: 0 10px 30px var(--accent-glow); color: #fff; }
.btn-outline-custom {
  background: transparent; color: var(--text);
  border: 2px solid var(--border); border-radius: 50px;
  padding: 12px 28px; font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  transition: all var(--transition);
}
.btn-outline-custom:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.hero-stats {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  animation: fadeInUp 0.6s 0.4s ease both;
}
.stat { display: flex; flex-direction: column; }
.stat .num { font-family: var(--font-head); font-weight: 800; font-size: 1.3rem; color: var(--text); }
.stat .label { font-size: 0.75rem; color: var(--text-muted); }
.stat-divider { width: 1px; height: 36px; background: var(--border); }
/* Floating cards in hero */
.hero-visual { justify-content: center; align-items: center; animation: fadeInUp 0.7s 0.3s ease both; }
.floating-cards { position: relative; width: 420px; height: 420px; }
.hero-circle {
  position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  width: 140px; height: 140px; border-radius: 50%;
  background: var(--grad); display: flex; align-items: center; justify-content: center;
  font-size: 3rem; color: #fff;
  box-shadow: 0 20px 60px var(--accent-glow);
}
.fcard {
  position: absolute; display: flex; align-items: center; gap: 8px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 12px 18px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; color: var(--text);
  box-shadow: var(--card-shadow);
}
.fcard i { font-size: 1.3rem; color: var(--accent); }
.fc1 { top: 10%; left: 0; animation: float1 4s ease-in-out infinite; }
.fc2 { top: 10%; right: 0; animation: float2 4.5s ease-in-out infinite; }
.fc3 { bottom: 20%; left: 0; animation: float1 5s ease-in-out infinite reverse; }
.fc4 { bottom: 20%; right: 0; animation: float2 4.2s ease-in-out infinite reverse; }
@keyframes float1 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(-14px)} }
@keyframes float2 { 0%,100%{transform:translateY(0)} 50%{transform:translateY(14px)} }

/* ── NOTES SECTION ── */
.notes-section { padding: 80px 0; background: var(--bg2); }
[data-theme="dark"] .notes-section { background: var(--bg2); }
.section-header { text-align: center; margin-bottom: 48px; }
.section-badge {
  display: inline-block; font-size: 0.82rem; font-weight: 600;
  color: var(--accent); background: var(--accent-glow);
  border-radius: 50px; padding: 5px 14px; margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem); font-weight: 800; color: var(--text); margin-bottom: 12px;
}
.section-sub { color: var(--text-muted); font-size: 1rem; max-width: 500px; margin: 0 auto; }

/* Search + Filter Controls */
.controls-bar {
  display: flex; flex-direction: column; gap: 16px;
  margin-bottom: 36px;
}
.search-wrap {
  position: relative; max-width: 520px; margin: 0 auto; width: 100%;
}
.search-icon {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 1rem; pointer-events: none;
}
.search-input {
  width: 100%; background: var(--surface); border: 1.5px solid var(--border);
  border-radius: 50px; padding: 12px 48px 12px 44px;
  font-family: var(--font-body); font-size: 0.95rem; color: var(--text);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.search-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); }
.search-input::placeholder { color: var(--text-muted); }
.search-clear {
  position: absolute; right: 14px; top: 50%; transform: translateY(-50%);
  background: none; border: none; color: var(--text-muted); cursor: pointer;
  font-size: 0.85rem; padding: 4px; display: none;
}
.filter-chips {
  display: flex; flex-wrap: wrap; gap: 8px; justify-content: center;
}
.chip {
  background: var(--surface); border: 1.5px solid var(--border);
  color: var(--text-muted); border-radius: 50px;
  padding: 7px 16px; font-size: 0.82rem; font-weight: 600;
  font-family: var(--font-head); cursor: pointer;
  transition: all var(--transition);
}
.chip:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }
.chip.active { background: var(--grad); border-color: transparent; color: #fff; }

/* Note Cards */
.note-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex; flex-direction: column; height: 100%;
}
.note-card:hover { transform: translateY(-6px); box-shadow: var(--card-hover); }
.note-card-header {
  padding: 28px 24px 20px;
  background: linear-gradient(135deg, var(--surface2) 0%, var(--bg) 100%);
  display: flex; align-items: center; justify-content: space-between;
}
.note-icon {
  width: 60px; height: 60px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center; font-size: 1.8rem;
}
.note-badge {
  font-size: 0.72rem; font-weight: 700; font-family: var(--font-head);
  padding: 4px 10px; border-radius: 50px;
  background: var(--accent-glow); color: var(--accent);
}
.note-badge.hot { background: #fee2e2; color: #dc2626; }
.note-badge.new { background: #dcfce7; color: #16a34a; }
[data-theme="dark"] .note-badge.hot { background: rgba(220,38,38,0.2); }
[data-theme="dark"] .note-badge.new { background: rgba(22,163,74,0.2); }
.note-card-body { padding: 16px 24px 0; flex: 1; }
.note-subject {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: var(--accent); margin-bottom: 4px;
}
.note-title {
  font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 8px; line-height: 1.3;
}
.note-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.6; margin-bottom: 12px; }
.note-meta {
  display: flex; align-items: center; gap: 12px; font-size: 0.78rem; color: var(--text-muted);
  margin-bottom: 12px;
}
.note-meta span { display: flex; align-items: center; gap: 4px; }
.note-rating { color: #f59e0b; }
.note-card-footer {
  padding: 16px 24px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.note-price {
  font-family: var(--font-head); font-weight: 800; font-size: 1.4rem; color: var(--text);
}
.note-price .currency { font-size: 0.85rem; font-weight: 600; color: var(--text-muted); vertical-align: super; }
.note-price .original {
  font-size: 0.78rem; font-weight: 400; color: var(--text-muted);
  text-decoration: line-through; margin-left: 4px;
}
.btn-buy {
  background: var(--grad); color: #fff; border: none;
  border-radius: 50px; padding: 9px 18px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.82rem;
  transition: transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
}
.btn-buy:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--accent-glow); color: #fff; }
.btn-wa {
  background: var(--green); color: #fff; border: none;
  border-radius: 50px; padding: 9px 14px;
  font-size: 1rem; transition: transform var(--transition), box-shadow var(--transition);
  display: flex; align-items: center; justify-content: center;
}
.btn-wa:hover { transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,211,102,0.4); color: #fff; }

/* No Results */
.no-results {
  text-align: center; padding: 60px 20px; color: var(--text-muted);
}
.no-results i { font-size: 3rem; display: block; margin-bottom: 12px; }
.no-results h4 { font-family: var(--font-head); color: var(--text); }

/* Load More */
.btn-load-more {
  background: var(--surface); border: 2px solid var(--border); color: var(--text);
  border-radius: 50px; padding: 12px 32px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.9rem;
  transition: all var(--transition);
}
.btn-load-more:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-glow); }

/* ── WHY SECTION ── */
.why-section { padding: 72px 0; background: var(--bg); }
.why-card {
  text-align: center; padding: 32px 20px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--card-shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.why-card:hover { transform: translateY(-4px); box-shadow: var(--card-hover); }
.why-icon {
  width: 60px; height: 60px; border-radius: 16px;
  background: var(--grad); color: #fff; font-size: 1.5rem;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 16px; box-shadow: 0 6px 20px var(--accent-glow);
}
.why-card h5 { font-family: var(--font-head); font-weight: 700; margin-bottom: 8px; color: var(--text); }
.why-card p { font-size: 0.85rem; color: var(--text-muted); margin: 0; }

/* ── CONTACT ── */
.contact-section { padding: 80px 0; background: var(--bg2); }
.contact-sub { color: var(--text-muted); line-height: 1.7; margin-bottom: 20px; }
.contact-info { display: flex; flex-direction: column; gap: 12px; margin-bottom: 4px; }
.contact-row {
  display: flex; align-items: center; gap: 12px;
  font-size: 0.9rem; color: var(--text-muted);
}
.contact-row i { color: var(--accent); font-size: 1.1rem; flex-shrink: 0; }
.btn-whatsapp-main {
  display: inline-flex; align-items: center;
  background: #25d366; color: #fff; border: none; border-radius: 50px;
  padding: 12px 24px; font-family: var(--font-head); font-weight: 700; font-size: 0.95rem;
  transition: all var(--transition); text-decoration: none;
}
.btn-whatsapp-main:hover { background: #20ba5a; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(37,211,102,0.4); }
.contact-form-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 36px; box-shadow: var(--card-shadow);
}
.contact-form-card h5 { font-family: var(--font-head); font-weight: 700; color: var(--text); }
.custom-input {
  background: var(--surface2); border: 1.5px solid var(--border);
  color: var(--text); border-radius: var(--radius-sm);
  padding: 12px 16px; font-size: 0.9rem;
  transition: border-color var(--transition);
}
.custom-input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px var(--accent-glow); background: var(--surface2); color: var(--text); }
.custom-input::placeholder { color: var(--text-muted); }

/* ── FOOTER ── */
.site-footer { background: var(--navy); color: #c5cee0; padding: 60px 0 0; }
.footer-brand {
  font-family: var(--font-head); font-weight: 800; font-size: 1.3rem; color: #fff; margin-bottom: 12px;
}
.footer-brand span { color: var(--accent); }
.footer-brand i { color: var(--accent); margin-right: 6px; }
.footer-tagline { font-size: 0.85rem; color: #7f8ea8; line-height: 1.7; margin-bottom: 20px; }
.footer-socials { display: flex; gap: 12px; }
.footer-socials a {
  width: 36px; height: 36px; border-radius: 10px;
  background: rgba(255,255,255,0.08); color: #c5cee0;
  display: flex; align-items: center; justify-content: center;
  text-decoration: none; font-size: 1rem;
  transition: all var(--transition);
}
.footer-socials a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-heading { font-family: var(--font-head); font-weight: 700; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.08em; color: #fff; margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-links li, .footer-links a { font-size: 0.85rem; color: #7f8ea8; text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--accent); }
.footer-bottom {
  margin-top: 48px; padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,0.08);
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 8px; font-size: 0.8rem; color: #7f8ea8;
}

/* ── TOAST ── */
#liveToast {
  background: var(--navy); color: #fff;
  border-radius: var(--radius-sm); font-family: var(--font-body);
}
#liveToast.success { background: #166534; }
#liveToast.error { background: #991b1b; }

/* ── PAYMENT MODAL ── */
.pay-modal-content {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text);
}
.modal-title { font-family: var(--font-head); color: var(--text); }
.pay-amount-display {
  font-family: var(--font-head); font-size: 3rem; font-weight: 800;
  color: var(--accent); margin-bottom: 4px;
}
.pay-note-name { color: var(--text-muted); font-size: 0.9rem; margin-bottom: 20px; }
.upi-options { display: flex; justify-content: center; gap: 12px; margin-bottom: 16px; }
.upi-btn {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--grad); color: #fff;
  border-radius: 50px; padding: 12px 24px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.9rem;
  text-decoration: none; transition: all var(--transition);
}
.upi-btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px var(--accent-glow); color: #fff; }
.pay-divider { font-size: 0.8rem; color: var(--text-muted); margin: 16px 0; position: relative; }
.pay-divider::before, .pay-divider::after {
  content: ''; display: inline-block; width: 36%; height: 1px;
  background: var(--border); vertical-align: middle; margin: 0 8px;
}
.qr-placeholder {
  width: 120px; height: 120px; border: 2px dashed var(--border);
  border-radius: 12px; margin: 0 auto 16px;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  font-size: 2.5rem; color: var(--text-muted); gap: 4px;
}
.qr-placeholder span { font-size: 0.7rem; color: var(--text-muted); font-family: var(--font-head); }
.pay-instruction { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 4px; }
.btn-whatsapp-modal {
  background: #25d366; color: #fff; border: none;
  border-radius: 50px; padding: 12px 20px;
  font-family: var(--font-head); font-weight: 700; font-size: 0.9rem;
  transition: all var(--transition); text-decoration: none; display: inline-flex; align-items: center; justify-content: center;
}
.btn-whatsapp-modal:hover { background: #20ba5a; color: #fff; }

/* ── ANIMATIONS ── */
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
[data-animate] { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-animate].visible { opacity: 1; transform: translateY(0); }

/* ── RESPONSIVE ── */
@media (max-width: 991px) {
  .navbar-collapse { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; margin-top: 12px; }
  .min-vh-hero { min-height: auto; padding: 20px 0 40px; }
}
@media (max-width: 575px) {
  .hero-heading { font-size: 2.2rem; }
  .hero-stats { gap: 12px; }
  .stat .num { font-size: 1.1rem; }
  .note-card-footer { flex-direction: column; align-items: stretch; }
  .btn-buy, .btn-wa { width: 100%; justify-content: center; }
  .contact-form-card { padding: 24px 20px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 380px) {
  .hero-btns { flex-direction: column; }
  .btn-primary-custom, .btn-outline-custom { width: 100%; text-align: center; }
}