:root {
  --bg: #f3efe6;
  --bg-warm: #ebe4d6;
  --surface: #faf7f1;
  --surface-2: #fffdf8;
  --ink: #1c1917;
  --ink-soft: #3f3a34;
  --muted: #6f675e;
  --faint: #9a9288;
  --line: #ddd4c6;
  --teal: #1f4e46;
  --teal-fg: #f4f1ea;
  --teal-soft: #e4eeea;
  --forest: #163832;
  --olive: #5a6840;
  --danger: #9b2c2c;
  --warn: #8a5a12;
  --warn-soft: #f3ead4;
  --ok: #1f6b45;
  --ok-soft: #dceee4;
  --lamp: #c9a227;
  --cream: #f3e9d4;
  --sidebar: #163832;
  --sidebar-fg: #f4f1ea;
  --radius: 12px;
  --font-brand: "Lover's Quarrel", "Snell Roundhand", cursive;
  --font-display: "Cinzel", "Palatino Linotype", serif;
  --font-sans: "Source Sans 3", "Segoe UI", system-ui, sans-serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}
html.dark {
  --bg: #161310; --bg-warm: #1d1914; --surface: #1f1b16; --surface-2: #27221c;
  --ink: #f3ece1; --ink-soft: #d9d0c3; --muted: #b3a898; --faint: #8c8274;
  --line: #3a332b; --teal: #cbb68a; --teal-fg: #1a1612; --teal-soft: #2a261c;
  --forest: #e8dcc8; --olive: #c5d4a4; --sidebar: #1a1612; --sidebar-fg: #f3ece1;
  --warn: #e0b56a; --warn-soft: #3a2e18; --ok: #8fcaa8; --danger: #e8a090;
}
html[data-festival="diwali"] { --teal: #8a3b12; --forest: #6b2a0c; --teal-soft: #f4e3c8; --lamp: #e0a106; }
html[data-festival="dussehra"], html[data-festival="navratri"] { --teal: #7a1f2b; --forest: #5c121c; --teal-soft: #f3ddd8; }
html[data-festival="vaisakhi"], html[data-festival="lohri"] { --teal: #8a4b12; --forest: #5c3410; --teal-soft: #f5e6c8; }
html[data-festival="holi"] { --teal: #7a3d5c; --forest: #5a2a44; --teal-soft: #f6e0ec; }
html[data-festival="rakhi"] { --teal: #8f2436; --forest: #6b1524; }
html[data-festival="eid"] { --teal: #1f4f3a; --forest: #143628; }
html[data-festival="christmas"] { --teal: #1f4a32; --forest: #123224; --lamp: #c43c3c; }
html[data-festival="newyear"] { --teal: #2a3344; --forest: #1a2230; }

* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: var(--font-sans); min-height: 100dvh; line-height: 1.5; }
h1, h2, h3 { font-family: var(--font-display); text-wrap: balance; letter-spacing: 0.01em; margin: 0; }
p { margin: 0; }
a { color: inherit; text-decoration: none; }
button, [type=submit] { font: inherit; cursor: pointer; }
button:not(:disabled):active, .btn:active { transform: scale(0.96); }
input, select, textarea { font: inherit; background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); border-radius: 8px; padding: 0.5rem 0.7rem; width: 100%; }
textarea { min-height: 6rem; resize: vertical; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 2px; }
.tabular { font-variant-numeric: tabular-nums; }
.wrap { max-width: 72rem; margin: 0 auto; padding: 0 1.25rem; }
.section { padding: 3rem 0; }

.paper-grain {
  background-image:
    radial-gradient(1200px 400px at 10% -10%, color-mix(in oklab, var(--lamp) 18%, transparent), transparent 50%),
    radial-gradient(900px 320px at 110% 10%, color-mix(in oklab, var(--teal) 12%, transparent), transparent 46%);
}

.logo { display: inline-flex; align-items: center; color: var(--forest); }
.logo-mark { width: 2.75rem; height: 2.75rem; display: block; }
.logo-mark-lg { width: 4.5rem; height: 4.5rem; }
.logo-word {
  font-family: var(--font-brand);
  font-size: 2.05rem;
  line-height: 1;
  color: var(--olive);
  margin-left: -0.15rem;
  transform: translateY(0.18rem);
}
.sidebar .logo-word, .logo[style*="sidebar"] .logo-word { color: var(--sidebar-fg); }

.site-header {
  position: sticky; top: 0; z-index: 40;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 90%, transparent);
  backdrop-filter: blur(10px);
}
.site-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; height: 4rem; }
.nav { display: none; gap: 1.15rem; font-size: 0.92rem; }
.nav a { color: var(--muted); }
.nav a:hover, .nav a.is-active { color: var(--ink); }
.header-actions { display: flex; align-items: center; gap: 0.4rem; }
.icon-btn { width: 2.5rem; height: 2.5rem; border: 0; border-radius: 8px; background: transparent; color: var(--ink); }
.nav-toggle { display: inline-flex; }
.mobile-nav { display: none; flex-direction: column; padding: 0.5rem 0 1rem; }
.mobile-nav.is-open { display: flex; }
.mobile-nav a { padding: 0.6rem 0; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem;
  height: 2.5rem; padding: 0 1rem; border-radius: 8px; border: 0;
  background: var(--teal); color: var(--teal-fg); font-weight: 600;
  transition: transform 150ms var(--ease), background 150ms var(--ease);
}
.btn-secondary, .btn.sec { background: var(--surface-2); color: var(--ink); border: 1px solid var(--line); }
.btn-ghost { background: transparent; color: var(--ink); }
.btn-sm { height: 2.1rem; font-size: 0.85rem; padding: 0 0.8rem; }
.btn-lg { height: 2.9rem; padding: 0 1.2rem; }
.btn-block { width: 100%; }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.7rem; margin-top: 1.5rem; }

.kicker { font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--muted); }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.lede { margin-top: 0.8rem; max-width: 38rem; font-size: 1.12rem; color: var(--ink-soft); }

.hero { display: grid; gap: 2rem; padding: 3rem 0; }
.stagger-in > * {
  opacity: 0; transform: translateY(12px); filter: blur(4px);
  animation: fade-up 520ms var(--ease) forwards;
}
.stagger-in > *:nth-child(1) { animation-delay: 40ms; }
.stagger-in > *:nth-child(2) { animation-delay: 120ms; }
.stagger-in > *:nth-child(3) { animation-delay: 200ms; }
.stagger-in > *:nth-child(4) { animation-delay: 280ms; }
.stagger-in > *:nth-child(5) { animation-delay: 360ms; }
@keyframes fade-up { to { opacity: 1; transform: none; filter: none; } }

.card, .mod-card, .plan-card, .mini-demo {
  background: var(--surface); border: 1px solid var(--line); border-radius: 14px; padding: 1.25rem;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}
.card:hover, .mod-card:hover, .plan-card:hover { transform: translateY(-2px); }
.plan-card.popular { border-color: var(--teal); }
.plan-price { font-family: var(--font-display); font-size: 2rem; margin-top: 0.3rem; }
.grid-2, .grid-3 { display: grid; gap: 1rem; }
.band { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); background: var(--surface); }
.cta-dark { background: var(--forest); color: var(--teal-fg); }
.cta-dark .muted, .cta-dark p { color: color-mix(in oklab, var(--teal-fg) 80%, transparent); }
.icon-dot { width: 2rem; height: 2rem; display: grid; place-items: center; color: var(--teal); }
.video-slot { aspect-ratio: 16/9; display: grid; place-items: center; background: var(--teal-soft); color: var(--forest); border-radius: 8px; font-size: 1.6rem; }

.mini-demo { box-shadow: 0 12px 32px -16px rgba(28,25,23,0.25); }
.mini-lines { list-style: none; padding: 0; margin: 1rem 0 0; }
.mini-lines li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.45rem 0; border-bottom: 1px solid var(--line); }
.gst-box { margin-top: 0.8rem; padding: 0.7rem 0.9rem; background: var(--teal); color: var(--teal-fg); border-radius: 8px; font-weight: 600; }

.flash { padding: 0.7rem 1rem; margin: 0.5rem 1.25rem; border-radius: 8px; }
.flash-ok { background: var(--ok-soft); color: var(--ok); }
.flash-warn { background: var(--warn-soft); color: var(--warn); }
.flash-err { background: #f6e4e0; color: var(--danger); }
.banner-maint, .banner-demo, .banner-dev { padding: 0.4rem 1rem; text-align: center; font-size: 0.82rem; }
.banner-maint, .banner-demo { background: var(--warn-soft); color: var(--warn); }
.banner-dev { background: var(--teal-soft); color: var(--forest); }

.chip-row, .tabs { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 1rem 0; }
.chip {
  display: inline-flex; align-items: center; height: 2.2rem; padding: 0 0.9rem;
  border-radius: 999px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); font-size: 0.88rem;
}
.chip.is-on { background: var(--teal); color: var(--teal-fg); border-color: transparent; }
.field { display: grid; gap: 0.3rem; font-size: 0.88rem; }
.field span { color: var(--muted); }
.form-grid { display: grid; gap: 0.8rem; margin-top: 0.8rem; }
.pill { display: inline-block; font-size: 0.7rem; padding: 0.1rem 0.4rem; border-radius: 999px; background: var(--teal-soft); color: var(--forest); }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; font-size: 0.7rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); background: var(--bg-warm); }
td, th { padding: 0.5rem 0.7rem; border-bottom: 1px solid var(--line); }
.num { text-align: right; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; }
.row-warn { background: var(--warn-soft); }
.kpi-grid { display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr)); }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; }
.kpi span { font-size: 0.75rem; color: var(--muted); letter-spacing: 0.04em; text-transform: uppercase; }
.kpi b { display: block; font-family: var(--font-display); font-size: 1.45rem; margin-top: 0.2rem; }
.kpi em { display: block; font-style: normal; font-size: 0.8rem; color: var(--muted); margin-top: 0.2rem; }
.kpi-warn { border-color: color-mix(in oklab, var(--warn) 40%, var(--line)); }
.page-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1rem; align-items: end; margin-bottom: 0.5rem; }
.page-head h1 { font-size: 2rem; }

.books { display: flex; min-height: 100dvh; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 15rem; background: var(--sidebar); color: var(--sidebar-fg);
  padding: 1rem 0; transform: translateX(-100%); z-index: 30; transition: transform 200ms var(--ease);
}
.sidebar.is-open { transform: none; }
.sidebar-head { padding: 0 1rem 1rem; }
.sidebar nav a { display: block; padding: 0.5rem 1.1rem; color: var(--sidebar-fg); opacity: 0.82; }
.sidebar nav a.is-active, .sidebar nav a:hover { background: color-mix(in oklab, white 10%, transparent); opacity: 1; }
.sidebar-foot { padding: 1rem; font-size: 0.78rem; opacity: 0.7; }
.books-main { flex: 1; min-width: 0; }
.books-top { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; padding: 0.7rem 1.1rem; border-bottom: 1px solid var(--line); }
.page { padding: 1.4rem 1.1rem 3rem; }
.watermark { position: fixed; inset: 40% 0 auto; text-align: center; font-family: var(--font-display); font-size: 6rem; color: color-mix(in oklab, var(--ink) 6%, transparent); pointer-events: none; z-index: 0; }
.watermark-inline { color: var(--warn); font-size: 0.85rem; margin: 0.6rem 0; }
.paywall { max-width: 36rem; margin: 4rem auto; text-align: center; }

.site-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 2.5rem 0 1.5rem; margin-top: 2rem; }
.footer-grid { display: grid; gap: 1.5rem; }
.footer-grid a { display: block; color: var(--muted); margin-top: 0.35rem; }
.foot-copy { max-width: 72rem; margin: 1.5rem auto 0; padding: 0 1.25rem; font-size: 0.78rem; color: var(--faint); }

.clerk-btn {
  position: fixed; right: 1rem; bottom: 1rem; width: 3rem; height: 3rem; border-radius: 999px; border: 0;
  background: var(--teal); color: var(--teal-fg); z-index: 50; font-size: 1.2rem;
}
.clerk {
  position: fixed; right: 1rem; bottom: 5rem; width: min(22rem, calc(100vw - 2rem)); height: 22rem;
  background: var(--surface); border: 1px solid var(--line); border-radius: 12px;
  display: none; flex-direction: column; overflow: hidden; z-index: 50;
}
.clerk.is-open { display: flex; }
.clerk-head { background: var(--forest); color: var(--teal-fg); padding: 0.55rem 0.8rem; display: flex; justify-content: space-between; align-items: center; }
.clerk-log { flex: 1; overflow: auto; padding: 0.8rem; font-size: 0.85rem; display: grid; gap: 0.5rem; }
.clerk-log .bot { background: var(--teal-soft); padding: 0.5rem 0.7rem; border-radius: 8px; }
.clerk-log .you { justify-self: end; background: var(--bg-warm); padding: 0.5rem 0.7rem; border-radius: 8px; }
.clerk form { display: flex; gap: 0.4rem; padding: 0.5rem; border-top: 1px solid var(--line); }

.doc { background: var(--surface); padding: 1.5rem; border: 1px solid var(--line); border-radius: 12px; }
.doc-head { display: flex; justify-content: space-between; gap: 1rem; margin-bottom: 1.2rem; }
.doc-totals { margin-top: 1rem; text-align: right; display: grid; gap: 0.25rem; }
.grand { font-size: 1.2rem; margin-top: 0.4rem; }
.login-card { max-width: 24rem; margin: 4rem auto; background: var(--surface); border: 1px solid var(--line); border-radius: 16px; padding: 1.5rem; }
.inline-form { display: inline-flex; gap: 0.4rem; align-items: center; }
.inline-form select, .inline-form input { width: auto; }
.notes { margin-top: 0.8rem; font-size: 0.88rem; color: var(--muted); border-top: 1px dashed var(--line); padding-top: 0.7rem; }
.pitch-list { display: grid; gap: 1rem; margin-top: 1.5rem; }
.stars { color: var(--lamp); letter-spacing: 0.1em; }
.prose { max-width: 42rem; }
.prose h2 { margin-top: 1.8rem; font-size: 1.4rem; }
.prose p, .prose li { margin-top: 0.6rem; color: var(--ink-soft); }
.prose ol { padding-left: 1.2rem; }
code { font-family: ui-monospace, monospace; font-size: 0.86em; background: var(--bg-warm); padding: 0.05rem 0.3rem; border-radius: 4px; }

@media (min-width: 800px) {
  .grid-2 { grid-template-columns: 1fr 1fr; }
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1.4fr 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr 1fr; }
  .nav { display: flex; }
  .nav-toggle { display: none; }
  .hero { grid-template-columns: 1.1fr 0.9fr; align-items: center; padding: 4rem 0; }
  .sidebar { transform: none; }
  .books-main { margin-left: 15rem; }
  .page { padding: 1.6rem 1.8rem 3rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
@media print {
  .no-print, .sidebar, .site-header, .clerk, .clerk-btn, .banner-demo, .banner-dev, .watermark { display: none !important; }
  .books, .books-main { margin: 0; }
  body { background: white; }
  .doc { border: 0; }
}