:root {
  --ink: #2b2350;
  --muted: #5d567d;
  --bg: #fffaf2;
  --card: #ffffff;
  --line: #ece4f7;
  --purple: #7b4dff;
  --purple-d: #5b2fe0;
  --sun: #ffc93c;
  --coral: #ff6b6b;
  --teal: #19c3a6;
  --sky: #4cc2ff;
  --radius: 22px;
  --shadow: 0 10px 30px rgba(60, 35, 140, .10);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 17px/1.6 Nunito, system-ui, sans-serif; }
img { max-width: 100%; display: block; }
h1, h2, h3 { font-family: Fredoka, Nunito, sans-serif; line-height: 1.15; margin: 0 0 .5em; }
a { color: var(--purple-d); }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.small { font-size: 14px; color: var(--muted); }
.center { text-align: center; }

/* header */
.top { position: sticky; top: 0; z-index: 30; background: rgba(255, 250, 242, .92); backdrop-filter: blur(8px); border-bottom: 2px solid var(--line); }
.top-in { display: flex; align-items: center; gap: 24px; height: 70px; }
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font: 600 22px Fredoka, sans-serif; }
.logo b { color: var(--purple); font-weight: 700; }
.nav { display: flex; gap: 22px; margin-left: auto; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 700; }
.nav a:hover { color: var(--purple); }
.cart-btn { display: flex; align-items: center; gap: 8px; border: 0; background: var(--purple); color: #fff; font: 700 16px Nunito, sans-serif; padding: 10px 16px; border-radius: 999px; cursor: pointer; box-shadow: 0 4px 0 var(--purple-d); }
.cart-btn:active { transform: translateY(2px); box-shadow: 0 2px 0 var(--purple-d); }
.count { background: var(--sun); color: var(--ink); min-width: 24px; height: 24px; border-radius: 12px; display: grid; place-items: center; font-size: 14px; padding: 0 6px; }
.count.bump { animation: bump .4s; }
@keyframes bump { 50% { transform: scale(1.35); } }

/* hero */
.hero { padding: 56px 0 40px; background:
  radial-gradient(circle at 8% 20%, #ffe9a8 0 90px, transparent 91px),
  radial-gradient(circle at 92% 85%, #d8f6ff 0 140px, transparent 141px),
  radial-gradient(circle at 70% 8%, #ffe0ea 0 70px, transparent 71px); }
.hero-in { display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.eyebrow { display: inline-block; background: #fff; border: 2px solid var(--line); border-radius: 999px; padding: 4px 14px; font-weight: 800; color: var(--purple); font-size: 14px; letter-spacing: .03em; margin: 0 0 14px; }
.hero h1 { font-size: clamp(38px, 5.4vw, 62px); }
.squiggle { color: var(--purple); background: linear-gradient(transparent 70%, #ffd96a 70% 92%, transparent 92%); }
.lead { font-size: 19px; color: var(--muted); max-width: 34em; }
.price-pills { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 24px; }
.pill { border-radius: 999px; padding: 8px 16px; font-weight: 700; border: 2px solid var(--ink); background: #fff; }
.pill b { font: 700 20px Fredoka, sans-serif; }
.pill-a { box-shadow: 4px 4px 0 var(--sky); }
.pill-b { box-shadow: 4px 4px 0 var(--coral); }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-art { position: relative; height: 470px; }
.hero-art img { position: absolute; width: 56%; border-radius: 14px; border: 3px solid var(--ink); background: #fff; box-shadow: var(--shadow); }
.hero-art .h1 { left: 22%; top: 0; transform: rotate(-2deg); z-index: 3; }
.hero-art .h2 { left: 0; top: 70px; transform: rotate(-9deg); z-index: 2; }
.hero-art .h3 { right: 0; top: 80px; transform: rotate(8deg); z-index: 1; }
.crayon { position: absolute; width: 140px; height: 22px; border-radius: 4px 12px 12px 4px; border: 3px solid var(--ink); z-index: 4; }
.crayon::after { content: ""; position: absolute; right: -24px; top: -3px; border-left: 22px solid currentColor; border-top: 11px solid transparent; border-bottom: 11px solid transparent; }
.c1 { background: var(--coral); color: var(--coral); bottom: 40px; left: 8%; transform: rotate(-14deg); }
.c2 { background: var(--teal); color: var(--teal); bottom: 10px; left: 38%; transform: rotate(6deg); }
.c3 { background: var(--sun); color: var(--sun); bottom: 56px; right: 4%; transform: rotate(-30deg); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 3px solid var(--ink); border-radius: 999px; padding: 12px 22px; font: 700 17px Nunito, sans-serif; text-decoration: none; cursor: pointer; transition: transform .1s, box-shadow .1s; }
.btn-primary { background: var(--purple); color: #fff; border-color: var(--ink); box-shadow: 0 5px 0 var(--ink); }
.btn-primary:hover { background: var(--purple-d); }
.btn-primary:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--ink); }
.btn-primary:disabled { opacity: .45; cursor: not-allowed; transform: none; }
.btn-ghost { background: #fff; color: var(--ink); box-shadow: 0 5px 0 var(--ink); }
.btn-ghost:active { transform: translateY(3px); box-shadow: 0 2px 0 var(--ink); }
.btn-sm { padding: 8px 14px; font-size: 15px; box-shadow: 0 3px 0 var(--ink); }
.btn-block { width: 100%; }
.btn.added { background: var(--teal); }

/* perks */
.perks { padding: 10px 0 30px; }
.perks-in { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.perks-in div { background: #fff; border: 2px solid var(--line); border-radius: 18px; padding: 14px 16px; }
.perks-in strong { display: block; font-family: Fredoka, sans-serif; font-size: 18px; }
.perks-in span { color: var(--muted); font-size: 15px; }

/* sections */
.section { padding: 64px 0; }
.section.alt { background: #f3edff; }
.section h2 { font-size: clamp(30px, 3.6vw, 42px); display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 14px; }
.section h2 small { font: 700 17px Nunito, sans-serif; color: #fff; background: var(--coral); padding: 3px 12px; border-radius: 999px; }

/* books */
.books { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.book { background: var(--card); border: 3px solid var(--ink); border-radius: var(--radius); padding: 22px; display: grid; grid-template-columns: 190px 1fr; gap: 22px; box-shadow: 8px 8px 0 var(--sky); }
.book:nth-child(2) { box-shadow: 8px 8px 0 var(--sun); }
.book-cover { position: relative; cursor: zoom-in; }
.book-cover img { border: 2px solid var(--ink); border-radius: 10px; background: #fff; }
.book-cover .stack { position: absolute; inset: 0; border: 2px solid var(--ink); border-radius: 10px; background: #fff; transform: translate(8px, 8px); z-index: -1; }
.book h3 { font-size: 26px; margin-bottom: 4px; }
.book p { color: var(--muted); margin: 0 0 10px; font-size: 16px; }
.book ul { columns: 2; margin: 0 0 16px; padding-left: 18px; font-size: 14px; color: var(--ink); }
.book .price { font: 700 30px Fredoka, sans-serif; }
.book .price s { font-size: 18px; color: var(--muted); margin-left: 6px; font-weight: 500; }
.book-actions { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }

/* pages grid */
.filters { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 24px; }
.chip { border: 2px solid var(--ink); background: #fff; border-radius: 999px; padding: 7px 16px; font: 700 15px Nunito, sans-serif; cursor: pointer; color: var(--ink); }
.chip.on { background: var(--ink); color: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 22px; }
.card { background: var(--card); border: 2px solid var(--ink); border-radius: 18px; overflow: hidden; display: flex; flex-direction: column; transition: transform .15s, box-shadow .15s; }
.card:hover { transform: translateY(-4px); box-shadow: 0 8px 0 var(--ink); }
.card .thumb { background: #fff; border-bottom: 2px solid var(--ink); cursor: zoom-in; aspect-ratio: 8.5/11; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; }
.card .body { padding: 12px 14px 14px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.card h3 { font-size: 19px; margin: 0; }
.ref { color: var(--muted); font-size: 14px; font-weight: 700; margin: 0; }
.card .row { display: flex; align-items: center; justify-content: space-between; margin-top: auto; padding-top: 6px; }
.card .row b { font: 700 22px Fredoka, sans-serif; }

/* steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.steps li { background: #fff; border: 2px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps .num { display: grid; place-items: center; width: 46px; height: 46px; border-radius: 50%; background: var(--sun); border: 3px solid var(--ink); font: 700 22px Fredoka, sans-serif; margin-bottom: 12px; }
.steps li:nth-child(2) .num { background: var(--sky); }
.steps li:nth-child(3) .num { background: var(--teal); }
.steps p { color: var(--muted); margin: 0; }

/* faq */
details { background: #fff; border: 2px solid var(--line); border-radius: 16px; padding: 14px 18px; margin-bottom: 12px; }
summary { cursor: pointer; font: 600 19px Fredoka, sans-serif; }
details p { color: var(--muted); margin: 10px 0 0; }

.foot { background: var(--ink); color: #e9e4ff; padding: 30px 0; }
.foot .small { color: #bdb4e6; }
.foot p { margin: 4px 0; }

/* lightbox */
.lightbox { position: fixed; inset: 0; z-index: 60; background: rgba(30, 20, 60, .6); display: grid; place-items: center; padding: 20px; }
.lightbox[hidden] { display: none; }
.lb-card { position: relative; background: #fff; border: 3px solid var(--ink); border-radius: var(--radius); max-width: 860px; width: 100%; max-height: calc(100vh - 40px); overflow: auto; display: grid; grid-template-columns: 1.1fr 1fr; gap: 20px; padding: 20px; }
.lb-card img { border: 2px solid var(--line); border-radius: 12px; }
.lb-info { align-self: center; }
.lb-close { position: absolute; right: 12px; top: 8px; border: 0; background: none; font-size: 34px; line-height: 1; cursor: pointer; color: var(--ink); }

/* drawer */
.scrim { position: fixed; inset: 0; background: rgba(30, 20, 60, .45); z-index: 40; }
.scrim[hidden] { display: none; }
.drawer { position: fixed; top: 0; right: 0; height: 100%; width: min(420px, 100%); background: #fff; z-index: 50; display: flex; flex-direction: column; transform: translateX(100%); transition: transform .25s ease; border-left: 3px solid var(--ink); }
.drawer.open { transform: none; }
.drawer-head { position: relative; padding: 18px 20px; border-bottom: 2px solid var(--line); }
.drawer-head h3 { margin: 0; font-size: 24px; }
.drawer-body { flex: 1; overflow: auto; padding: 10px 20px; }
.drawer-foot { padding: 16px 20px 20px; border-top: 2px solid var(--line); }
.ci { display: grid; grid-template-columns: 52px 1fr auto auto; gap: 12px; align-items: center; padding: 10px 0; border-bottom: 1px dashed var(--line); }
.ci img { width: 52px; border: 1px solid var(--line); border-radius: 6px; }
.ci .t { font-weight: 700; line-height: 1.25; }
.ci .k { font-size: 13px; color: var(--muted); }
.ci .rm { border: 0; background: none; color: var(--coral); font-size: 22px; cursor: pointer; }
.empty { text-align: center; color: var(--muted); padding: 40px 10px; }
.total { display: flex; justify-content: space-between; font: 600 22px Fredoka, sans-serif; margin: 6px 0 12px; }
.upsell { background: #fff6d6; border: 2px solid var(--sun); border-radius: 14px; padding: 10px 12px; font-size: 14px; margin-bottom: 10px; }
.upsell button { margin-top: 6px; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); background: var(--ink); color: #fff; padding: 12px 20px; border-radius: 999px; font-weight: 700; z-index: 70; transition: transform .25s; }
.toast.show { transform: translate(-50%, 0); }

/* thank-you page */
.ty { padding: 50px 0 70px; }
.ty-card { background: #fff; border: 3px solid var(--ink); border-radius: var(--radius); padding: 30px; box-shadow: 8px 8px 0 var(--teal); }
.dl { display: grid; grid-template-columns: 70px 1fr auto; gap: 16px; align-items: center; padding: 14px 0; border-bottom: 1px dashed var(--line); }
.dl img { width: 70px; border: 1px solid var(--line); border-radius: 6px; }
.note { background: #fff6d6; border: 2px solid var(--sun); border-radius: 14px; padding: 12px 16px; margin: 20px 0 0; }

@media (max-width: 900px) {
  .hero-in { grid-template-columns: 1fr; }
  .hero-art { height: 380px; max-width: 520px; width: 100%; margin: 0 auto; }
  .books { grid-template-columns: 1fr; }
  .perks-in { grid-template-columns: 1fr 1fr; }
  .steps { grid-template-columns: 1fr; }
  .lb-card { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .nav { display: none; }
  .cart-btn { margin-left: auto; }
  .cart-btn > span:first-of-type { display: none; }
  .logo { font-size: 19px; }
  .hero { padding-top: 30px; }
  .hero-art { height: 300px; }
  .book { grid-template-columns: 1fr; }
  .book-cover { max-width: 220px; margin: 0 auto; }
  .book ul { columns: 1; }
  .grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .card h3 { font-size: 16px; }
  .card .row { flex-direction: column; align-items: stretch; gap: 6px; }
  .perks-in { grid-template-columns: 1fr; }
  .dl { grid-template-columns: 54px 1fr; }
  .dl .btn { grid-column: 1 / -1; }
}