/* =========================================================
   SquiggleMath — site styles
   A playful, hand-drawn-inspired design system.
   ========================================================= */

:root {
  --ink: #1f2a44;
  --ink-soft: #53617e;
  --ink-faint: #8390a8;
  --cream: #fff8ea;
  --paper: #ffffff;
  --yellow: #ffd447;
  --yellow-deep: #f5b72b;
  --mint: #b8f2d8;
  --mint-deep: #2f9e6b;
  --pink: #ffc3e1;
  --pink-deep: #e8559c;
  --blue: #bfeaff;
  --blue-deep: #268fbf;
  --purple: #ddd1ff;
  --purple-deep: #7257c9;
  --coral: #ff8f7a;
  --line: rgba(31, 42, 68, 0.12);
  --shadow-sm: 0 4px 14px rgba(31, 42, 68, 0.07);
  --shadow-md: 0 16px 40px rgba(31, 42, 68, 0.12);
  --shadow-lg: 0 30px 70px rgba(31, 42, 68, 0.18);
  --radius-sm: 12px;
  --radius-md: 20px;
  --radius-lg: 28px;
  --font-display: "Fredoka", "Trebuchet MS", sans-serif;
  --font-body: "Quicksand", "Segoe UI", sans-serif;
  --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
  --page-max: 1180px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 100px;
  -webkit-text-size-adjust: 100%;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 17px;
  font-weight: 500;
  line-height: 1.6;
  color: var(--ink);
  background-color: var(--cream);
  background-image:
    radial-gradient(circle at 12% 30%, rgba(255, 212, 71, 0.22), transparent 27%),
    radial-gradient(circle at 88% 16%, rgba(255, 195, 225, 0.3), transparent 24%),
    radial-gradient(circle at 72% 72%, rgba(191, 234, 255, 0.32), transparent 25%),
    radial-gradient(rgba(31, 42, 68, 0.075) 1px, transparent 1.5px);
  background-size: auto, auto, auto, 26px 26px;
  overflow-x: hidden;
}

body.modal-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

p {
  margin: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
select {
  font: inherit;
}

button,
select {
  cursor: pointer;
}

button {
  color: inherit;
}

ul, ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

::selection {
  color: var(--ink);
  background: var(--yellow);
}

:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.container {
  width: min(100% - 48px, var(--page-max));
  margin-inline: auto;
}

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 300;
  padding: 10px 18px;
  border-radius: 999px;
  color: var(--ink);
  background: var(--yellow);
  font-weight: 700;
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

.skip-link:focus {
  transform: translateY(0);
}

/* ---------- shared bits ---------- */

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.11em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.eyebrow__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 4px rgba(255, 143, 122, 0.2);
}

.eyebrow__dot--pink { background: var(--pink-deep); box-shadow: 0 0 0 4px rgba(232, 85, 156, 0.16); }
.eyebrow__dot--blue { background: var(--blue-deep); box-shadow: 0 0 0 4px rgba(38, 143, 191, 0.16); }
.eyebrow__dot--yellow { background: var(--yellow-deep); box-shadow: 0 0 0 4px rgba(245, 183, 43, 0.2); }

.marker {
  position: relative;
  display: inline-block;
  z-index: 0;
  white-space: nowrap;
}

.marker::after {
  content: "";
  position: absolute;
  z-index: -1;
  left: -2%;
  right: -2%;
  bottom: 5%;
  height: 34%;
  border-radius: 4px 10px 6px 12px;
  background: var(--yellow);
  transform: rotate(-1.4deg);
}

.marker--mint::after { background: var(--mint); }
.marker--pink::after { background: var(--pink); }

.section {
  padding: 92px 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 46px;
}

.section-head h2 {
  max-width: 760px;
  font-size: clamp(2.1rem, 4vw, 3.35rem);
}

.section-lede {
  max-width: 620px;
  margin-top: 18px;
  font-size: 1.05rem;
  color: var(--ink-soft);
}

.section-head--center {
  justify-content: center;
  text-align: center;
}

.section-head--center .section-lede {
  margin-inline: auto;
}

.section-head--center h2 {
  max-width: none;
}

.text-link {
  flex: none;
  padding-bottom: 4px;
  border-bottom: 2px solid var(--ink);
  font-family: var(--font-display);
  font-weight: 600;
  transition: color 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}

.text-link:hover {
  color: var(--pink-deep);
  border-color: var(--pink-deep);
  transform: translateY(-2px);
}

/* ---------- buttons ---------- */

.btn {
  --btn-bg: var(--yellow);
  --btn-fg: var(--ink);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  min-height: 48px;
  padding: 12px 22px;
  border: 2px solid transparent;
  border-radius: 999px;
  background: var(--btn-bg);
  color: var(--btn-fg);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  box-shadow: 0 5px 0 rgba(31, 42, 68, 0.16);
  transition:
    transform 0.22s var(--ease-bounce),
    box-shadow 0.22s ease,
    background-color 0.18s ease,
    color 0.18s ease;
}

.btn svg {
  width: 1.15em;
  height: 1.15em;
  flex: none;
}

.btn:hover {
  transform: translateY(-3px) rotate(-0.6deg);
  box-shadow: 0 9px 0 rgba(31, 42, 68, 0.16);
}

.btn:active {
  transform: translateY(1px);
  box-shadow: 0 2px 0 rgba(31, 42, 68, 0.16);
}

.btn--primary {
  --btn-bg: var(--yellow);
  --btn-fg: var(--ink);
  border-color: rgba(31, 42, 68, 0.08);
}

.btn--primary:hover {
  --btn-bg: #ffdd6f;
}

.btn--ink {
  --btn-bg: var(--ink);
  --btn-fg: #fffdf7;
  box-shadow: 0 5px 0 rgba(31, 42, 68, 0.32);
}

.btn--ink:hover {
  --btn-bg: #2a3859;
  box-shadow: 0 9px 0 rgba(31, 42, 68, 0.32);
}

.btn--ghost {
  --btn-bg: rgba(255, 255, 255, 0.55);
  --btn-fg: var(--ink);
  border-color: var(--ink);
  box-shadow: 0 5px 0 rgba(31, 42, 68, 0.1);
}

.btn--ghost:hover {
  --btn-bg: #fff;
}

.btn--small {
  min-height: 40px;
  padding: 9px 17px;
  font-size: 0.9rem;
}

.btn--lg {
  min-height: 56px;
  padding: 15px 28px;
  font-size: 1.06rem;
}

.btn--block {
  width: 100%;
}

.icon-btn {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  border: 2px solid var(--line);
  border-radius: 50%;
  background: #fff;
  transition: transform 0.2s var(--ease-bounce), background 0.2s ease, border-color 0.2s ease;
}

.icon-btn svg {
  width: 18px;
  height: 18px;
}

.icon-btn:hover {
  transform: rotate(6deg) scale(1.06);
  background: var(--pink);
  border-color: transparent;
}

/* ---------- header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid transparent;
  background: rgba(255, 248, 234, 0.82);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}

.site-header.is-scrolled {
  border-bottom-color: var(--line);
  box-shadow: 0 8px 30px rgba(31, 42, 68, 0.06);
}

.site-header__inner {
  display: flex;
  align-items: center;
  gap: 32px;
  min-height: 78px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex: none;
  font-family: var(--font-display);
  font-size: 1.42rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}

.brand__mark {
  width: 42px;
  height: 42px;
  flex: none;
  transform: rotate(-4deg);
  transition: transform 0.3s var(--ease-bounce);
}

.brand:hover .brand__mark {
  transform: rotate(6deg) scale(1.06);
}

.brand__name span {
  color: var(--pink-deep);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
  font-family: var(--font-display);
  font-size: 0.96rem;
  font-weight: 500;
}

.site-nav a {
  position: relative;
  padding: 6px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--pink);
  transition: right 0.22s ease;
}

.site-nav a:hover::after {
  right: 0;
}

.site-nav__current {
  position: relative;
  padding: 6px 0;
  color: var(--ink);
  font-weight: 600;
}

.site-nav__current::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  border-radius: 3px;
  background: var(--pink);
}

.header-cta {
  flex: none;
}

/* ---------- hero ---------- */

.hero {
  position: relative;
  padding: 64px 0 84px;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: -140px;
  left: 50%;
  width: 1200px;
  height: 850px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(ellipse at center, rgba(255, 255, 255, 0.82) 0%, rgba(255, 255, 255, 0) 68%);
  pointer-events: none;
}

.hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: 50px;
}

.hero h1 {
  margin: 0 0 24px;
  font-size: clamp(3rem, 6vw, 5.1rem);
  font-weight: 600;
  line-height: 0.99;
  letter-spacing: -0.035em;
}

.hero__lede {
  max-width: 520px;
  font-size: clamp(1.02rem, 1.5vw, 1.16rem);
  color: var(--ink-soft);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.hero__proof {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin-top: 34px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.hero__proof li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.check {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--mint);
  color: #1c7650;
  font-size: 0.72rem;
  font-weight: 700;
}

/* hero art */

.hero__art {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 560px;
  isolation: isolate;
}

.blob {
  position: absolute;
  z-index: -1;
  border-radius: 48% 52% 62% 38% / 44% 38% 62% 56%;
  animation: blob-breathe 9s ease-in-out infinite alternate;
}

.blob--yellow {
  width: 430px;
  height: 430px;
  top: 44px;
  right: 4px;
  background: var(--yellow);
  transform: rotate(12deg);
}

.blob--mint {
  width: 260px;
  height: 260px;
  left: -20px;
  bottom: 18px;
  background: var(--mint);
  transform: rotate(-18deg);
  animation-delay: -3s;
}

.blob--pink {
  width: 190px;
  height: 190px;
  right: -24px;
  bottom: 28px;
  background: var(--pink);
  transform: rotate(9deg);
  animation-delay: -5s;
}

.paper-stack {
  position: relative;
  width: min(390px, 82%);
  aspect-ratio: 0.78;
}

.hero-sheet {
  position: absolute;
  inset: 0;
  border-radius: 22px;
  background: #fffdf7;
  box-shadow: 0 26px 50px rgba(31, 42, 68, 0.18);
  transform-origin: center;
}

.hero-sheet--back {
  top: -30px;
  left: 34px;
  right: -30px;
  bottom: 42px;
  padding: 30px 28px;
  background: #f1edff;
  transform: rotate(7deg);
  box-shadow: 0 20px 40px rgba(31, 42, 68, 0.12);
}

.hero-sheet--front {
  padding: 30px 30px 24px;
  transform: rotate(-2.5deg);
  animation: paper-float 7s ease-in-out infinite;
}

.hero-sheet__row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mini-label {
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--purple-deep);
}

.hero-sheet__dots {
  display: flex;
  gap: 5px;
}

.hero-sheet__dots i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--purple-deep);
  opacity: 0.5;
}

.hero-bond {
  width: 100%;
  margin-top: 16px;
}

.hero-sheet__ticks {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

.hero-sheet__ticks span {
  width: 34px;
  height: 3px;
  border-radius: 3px;
  background: rgba(114, 87, 201, 0.35);
}

.hero-sheet__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 13px;
  border-bottom: 2px dashed rgba(31, 42, 68, 0.15);
}

.hero-logo {
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--mint-deep);
}

.hero-theme {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 10px;
  background: var(--mint);
  font-size: 1.05rem;
}

.hero-sheet h2 {
  margin: 18px 0 2px;
  font-size: 2rem;
  color: var(--ink);
}

.hero-sheet__sub {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.hero-eq {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-top: 13px;
  padding: 8px 12px;
  border-radius: 10px;
  background: #fff8ea;
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
}

.hero-answer {
  width: 40px;
  height: 26px;
  border: 2px solid rgba(31, 42, 68, 0.25);
  border-radius: 7px;
  background: #fff;
}

.hero-count {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 14px;
  padding: 10px 12px;
  border-radius: 12px;
  background: #e7f9f0;
}

.hero-count__emojis {
  font-size: 1.25rem;
  letter-spacing: 2px;
}

.hero-count__box {
  display: grid;
  place-items: center;
  width: 38px;
  height: 32px;
  border-radius: 8px;
  background: #fff;
  border: 2px dashed var(--mint-deep);
  font-family: var(--font-display);
  font-weight: 600;
  color: var(--mint-deep);
}

.hero-sheet__stars {
  margin-top: 14px;
  color: var(--yellow-deep);
  font-size: 0.9rem;
  letter-spacing: 10px;
  text-align: right;
}

.sticker {
  position: absolute;
  z-index: 4;
  display: grid;
  place-items: center;
  font-family: var(--font-display);
  font-weight: 600;
  text-align: center;
  line-height: 1.1;
  box-shadow: 0 8px 0 rgba(31, 42, 68, 0.13);
}

.sticker--print {
  top: 26px;
  left: -6px;
  width: 104px;
  height: 104px;
  padding: 16px;
  border-radius: 50%;
  background: var(--pink);
  font-size: 0.94rem;
  transform: rotate(-12deg);
  animation: sticker-wiggle 5s ease-in-out infinite;
}

.sticker--infinite {
  right: -8px;
  bottom: 66px;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--blue);
  font-size: 0.85rem;
  transform: rotate(5deg);
}

.float-emoji {
  position: absolute;
  z-index: 3;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 10px 24px rgba(31, 42, 68, 0.14);
  font-size: 1.65rem;
  animation: floaty 5.5s ease-in-out infinite alternate;
}

.float-emoji--1 { top: 50px; right: 6px; transform: rotate(9deg); }
.float-emoji--2 { top: 44%; left: -28px; transform: rotate(-8deg); animation-delay: -1.8s; }
.float-emoji--3 { bottom: 16px; left: 28px; transform: rotate(6deg); animation-delay: -3.2s; }
.float-emoji--4 { right: 44px; bottom: 8px; width: 46px; height: 46px; font-size: 1.3rem; transform: rotate(-5deg); animation-delay: -2.4s; }

.hero-doodle {
  position: absolute;
  top: 4px;
  right: 24px;
  width: 100px;
  opacity: 0.28;
  transform: rotate(8deg);
}

@keyframes blob-breathe {
  from { border-radius: 48% 52% 62% 38% / 44% 38% 62% 56%; transform: rotate(8deg) scale(1); }
  to { border-radius: 56% 44% 42% 58% / 55% 60% 40% 45%; transform: rotate(15deg) scale(1.04); }
}

@keyframes paper-float {
  0%, 100% { transform: rotate(-2.5deg) translateY(0); }
  50% { transform: rotate(-1deg) translateY(-9px); }
}

@keyframes sticker-wiggle {
  0%, 100% { transform: rotate(-12deg); }
  50% { transform: rotate(-8deg) scale(1.03); }
}

@keyframes floaty {
  from { translate: 0 0; }
  to { translate: 0 -12px; }
}

/* ---------- marquee ---------- */

.marquee {
  overflow: hidden;
  border-block: 2px solid rgba(31, 42, 68, 0.1);
  background: var(--yellow);
  transform: rotate(-0.6deg) scale(1.02);
}

.marquee__track {
  display: flex;
  align-items: center;
  gap: 30px;
  width: max-content;
  padding: 13px 0;
  animation: marquee-scroll 38s linear infinite;
}

.marquee__track span {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 500;
  white-space: nowrap;
}

.marquee__track i {
  font-style: normal;
  font-size: 0.7rem;
  opacity: 0.55;
}

@keyframes marquee-scroll {
  to { transform: translateX(-50%); }
}

/* =========================================================
   Library
   ========================================================= */

.library {
  position: relative;
  padding-top: 100px;
}

.levels {
  display: grid;
  gap: 30px;
}

.level {
  --level-accent: var(--mint-deep);
  --level-soft: #e9fbf2;
  --level-card: #fffdf8;
  position: relative;
  padding: 24px;
  border: 2px solid rgba(31, 42, 68, 0.09);
  border-radius: var(--radius-lg);
  background: var(--level-soft);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.level::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.48);
  pointer-events: none;
}

.level--k {
  --level-accent: var(--blue-deep);
  --level-soft: #eaf7fe;
}

.level--g1 {
  --level-accent: var(--pink-deep);
  --level-soft: #fdebf5;
}

.level__head {
  position: relative;
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 2px 6px 20px;
}

.level__badge {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
  flex: none;
  min-width: 116px;
  padding: 10px 16px;
  border-radius: 16px;
  background: var(--level-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 600;
  line-height: 1.1;
  text-align: center;
  transform: rotate(-1.5deg);
  box-shadow: 0 4px 0 rgba(31, 42, 68, 0.13);
}

.level__badge small {
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  opacity: 0.9;
}

.level__heading {
  min-width: 0;
}

.level__heading h3 {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
}

.level__heading p {
  margin-top: 3px;
  font-size: 0.92rem;
  color: var(--ink-soft);
}

.level__count {
  display: inline-block;
  margin-left: 4px;
  padding: 1px 8px;
  border-radius: 999px;
  background: var(--level-soft);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.level__sticker {
  margin-left: auto;
  display: grid;
  place-items: center;
  width: 54px;
  height: 54px;
  flex: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.7);
  font-size: 1.6rem;
  transform: rotate(6deg);
}

.printables-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

/* filters + progressive reveal — rendered by script.js */

.library-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin: 0 0 18px;
  padding: 9px 12px;
  border: 2px solid rgba(31, 42, 68, 0.07);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.58);
}

.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 11px;
  border: 2px solid transparent;
  border-radius: 999px;
  background: transparent;
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink-soft);
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.filter-chip span {
  min-width: 20px;
  padding: 1px 5px;
  border-radius: 999px;
  background: rgba(31, 42, 68, 0.07);
  font-family: var(--font-body);
  font-size: 0.62rem;
  font-weight: 700;
  text-align: center;
}

.filter-chip:hover {
  background: var(--level-soft);
  color: var(--ink);
}

.filter-chip.is-active {
  border-color: var(--level-accent);
  background: var(--level-accent);
  color: #fff;
}

.filter-chip.is-active span {
  background: rgba(255, 255, 255, 0.24);
  color: #fff;
}

.library-count {
  flex: none;
  font-size: 0.74rem;
  font-weight: 600;
  color: var(--ink-faint);
}

.library-count strong {
  color: var(--ink);
}

.library-more {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.library-show-all {
  padding: 5px 4px;
  border: 0;
  border-bottom: 2px solid rgba(31, 42, 68, 0.22);
  background: none;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--ink-soft);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.library-browse-all {
  margin-top: 18px;
  text-align: center;
}

@media (max-width: 760px) {
  .library-tools {
    align-items: flex-start;
    padding: 10px;
  }

  .filter-chip {
    padding: 5px 9px;
    font-size: 0.7rem;
  }

  .library-count {
    margin-left: auto;
  }
}

.library-more[hidden] {
  display: none;
}

/* printable card — rendered by JS */

.sheet-card {
  display: flex;
  flex-direction: column;
  width: 100%;
  padding: 0;
  border: 2px solid rgba(31, 42, 68, 0.09);
  border-radius: 20px;
  background: var(--level-card);
  color: inherit;
  font-family: var(--font-body);
  text-align: left;
  text-decoration: none;
  overflow: hidden;
  box-shadow: 0 3px 0 rgba(31, 42, 68, 0.05);
  transition:
    transform 0.25s var(--ease-bounce),
    box-shadow 0.25s ease,
    border-color 0.25s ease;
}

.sheet-card:hover {
  transform: translateY(-7px) rotate(-0.6deg);
  border-color: var(--level-accent);
  box-shadow: 0 18px 35px rgba(31, 42, 68, 0.13);
}

.sheet-card:focus-visible {
  outline: 3px solid var(--level-accent);
  outline-offset: 3px;
}

.sheet-card__preview {
  position: relative;
  display: grid;
  place-items: center;
  height: 186px;
  padding: 20px 18px 0;
  overflow: hidden;
  background:
    radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.8), transparent 32%),
    var(--level-soft);
}

.sheet-card__number {
  position: absolute;
  top: 10px;
  left: 12px;
  z-index: 2;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 3px 8px rgba(31, 42, 68, 0.08);
  font-family: var(--font-display);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--level-accent);
}

.sheet-card__preview::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  background: linear-gradient(to top, rgba(31, 42, 68, 0.05), transparent);
  pointer-events: none;
}

.mini-paper {
  position: relative;
  display: flex;
  flex-direction: column;
  width: 168px;
  height: 206px;
  padding: 14px 14px 12px;
  border-radius: 9px 9px 6px 6px;
  background: #fff;
  box-shadow: 0 10px 25px rgba(31, 42, 68, 0.16);
  transform: rotate(-2deg) translateY(9px);
  transition: transform 0.3s var(--ease-bounce);
}

.sheet-card:hover .mini-paper {
  transform: rotate(1deg) translateY(2px) scale(1.03);
}

.mini-paper__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 6px;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.15);
  color: var(--level-accent);
  font-family: var(--font-display);
  font-size: 0.48rem;
  font-weight: 600;
}

.mini-paper__top span:last-child {
  font-size: 0.72rem;
}

.mini-paper__title {
  margin: 8px 0 7px;
  font-family: var(--font-display);
  font-size: 0.76rem;
  font-weight: 600;
  line-height: 1.1;
  color: var(--ink);
}

.mini-paper__board {
  display: flex;
  flex: 1;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  min-height: 0;
}

.mini-paper__footer {
  height: 3px;
  border-radius: 3px;
  background: var(--level-soft);
}

.mini-paper__footer::before {
  content: "";
  display: block;
  width: 45%;
  height: 3px;
  border-radius: 3px;
  background: var(--level-accent);
  opacity: 0.35;
}

.theme-pill {
  position: absolute;
  right: 12px;
  bottom: 10px;
  z-index: 2;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow: 0 3px 8px rgba(31, 42, 68, 0.1);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.sheet-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px 17px 17px;
}

.sheet-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-bottom: 8px;
}

.chip {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--level-soft);
  color: var(--ink-soft);
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.03em;
  line-height: 1.35;
  text-transform: uppercase;
}

.sheet-card__title {
  display: block;
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.15;
  letter-spacing: -0.01em;
}

.sheet-card__desc {
  display: block;
  margin-top: 5px;
  font-size: 0.82rem;
  line-height: 1.45;
  color: var(--ink-soft);
}

.sheet-card__cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: auto;
  padding-top: 13px;
  color: var(--level-accent);
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
}

.sheet-card__cta .arrow {
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  background: var(--level-soft);
  transition: transform 0.25s var(--ease-bounce), background 0.2s ease;
}

.sheet-card:hover .sheet-card__cta .arrow {
  transform: translateX(3px) rotate(-8deg);
  background: var(--level-accent);
  color: #fff;
}

/* mini preview internals */

.mini-eq {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 0.83rem;
  font-weight: 500;
  line-height: 1;
}

.mini-eq span:last-child {
  width: 18px;
  height: 14px;
  border: 1.3px solid rgba(31, 42, 68, 0.28);
  border-radius: 4px;
}

.mini-eq--missing .mini-blank {
  display: inline-block;
  width: 16px;
  height: 14px;
  margin-inline: 2px;
  border: 1.3px dashed var(--level-accent);
  border-radius: 4px;
  background: var(--level-soft);
  vertical-align: -2px;
}

.mini-trace-row {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mini-trace-svg {
  width: 27px;
  height: 29px;
  color: var(--ink);
  opacity: 0.9;
}

.mini-trace-line {
  flex: 1;
  height: 1px;
  border-top: 1px dashed rgba(31, 42, 68, 0.28);
}

.mini-count {
  display: flex;
  align-items: center;
  gap: 7px;
  min-height: 26px;
  padding-bottom: 4px;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.12);
}

.mini-count__emojis {
  flex: 1;
  font-size: 0.81rem;
  letter-spacing: 0.5px;
  line-height: 1.2;
  overflow: hidden;
  white-space: nowrap;
}

.mini-count__box {
  display: grid;
  place-items: center;
  width: 20px;
  height: 18px;
  flex: none;
  border: 1.4px solid rgba(31, 42, 68, 0.28);
  border-radius: 4px;
  font-family: var(--font-display);
  font-size: 0.6rem;
  color: var(--ink-soft);
}

.mini-shapes {
  display: flex;
  align-items: center;
  gap: 4px;
  padding-bottom: 3px;
}

.mini-shape {
  display: inline-block;
  width: 10px;
  height: 10px;
  flex: none;
}

.mini-shape--circle { border-radius: 50%; background: var(--level-accent); }
.mini-shape--square { background: var(--pink-deep); border-radius: 1px; }
.mini-shape--triangle { width: 0; height: 0; border-left: 6px solid transparent; border-right: 6px solid transparent; border-bottom: 11px solid var(--blue-deep); }
.mini-shape--star { color: var(--yellow-deep); font-size: 0.85rem; line-height: 1; width: auto; height: auto; }

.mini-compare {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 25px;
  padding-bottom: 2px;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.12);
}

.mini-compare em {
  font-style: normal;
  line-height: 1;
}

.mini-compare__hint {
  width: 12px;
  height: 12px;
  border: 1.5px dashed var(--level-accent);
  border-radius: 50%;
}

.mini-bond {
  width: 100%;
  max-height: 92px;
}

.mini-tally-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 23px;
  padding-bottom: 3px;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.12);
}

.mini-tally {
  display: flex;
  align-items: center;
  gap: 10px;
  height: 17px;
}

.mini-tally-group {
  position: relative;
  display: flex;
  gap: 2px;
  height: 100%;
}

.mini-tally-group b {
  display: block;
  width: 1.4px;
  height: 100%;
  border-radius: 2px;
  background: var(--ink);
}

.mini-tally-group::after {
  content: "";
  position: absolute;
  top: 47%;
  left: -2px;
  width: calc(100% + 4px);
  height: 1.4px;
  border-radius: 2px;
  background: var(--ink);
  transform: rotate(-16deg);
}

.mini-story {
  display: flex;
  align-items: flex-start;
  gap: 5px;
  font-size: 0.54rem;
  line-height: 1.35;
  color: var(--ink-soft);
}

.mini-story span:first-child {
  font-size: 0.72rem;
  line-height: 1.1;
}

.mini-story__line {
  display: block;
  width: 72%;
  margin-top: 3px;
  border-top: 1px dashed rgba(31, 42, 68, 0.28);
}

/* =========================================================
   Generator studio
   ========================================================= */

.generator {
  position: relative;
  padding-top: 84px;
}

.generator::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(ellipse at 10% 40%, rgba(255, 195, 225, 0.26), transparent 42%),
    radial-gradient(ellipse at 90% 60%, rgba(184, 242, 216, 0.3), transparent 42%);
  pointer-events: none;
}

.studio {
  display: grid;
  grid-template-columns: 342px minmax(0, 1fr);
  align-items: start;
  gap: 28px;
  padding: 26px;
  border: 2px solid rgba(31, 42, 68, 0.09);
  border-radius: 34px;
  background: rgba(255, 255, 255, 0.6);
  box-shadow: 0 24px 60px rgba(31, 42, 68, 0.08);
  backdrop-filter: blur(8px);
}

.panel {
  position: sticky;
  top: 96px;
  padding: 24px;
  border: 2px solid rgba(31, 42, 68, 0.1);
  border-radius: 24px;
  background: #fffdf8;
  box-shadow: var(--shadow-sm);
}

.field-group {
  margin: 0 0 22px;
  padding: 0;
  border: 0;
}

.field-label {
  display: block;
  margin-bottom: 10px;
  padding: 0;
  font-family: var(--font-display);
  font-size: 0.82rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.difficulty-list {
  display: grid;
  gap: 8px;
}

.difficulty-option {
  display: block;
  cursor: pointer;
}

.difficulty-option input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  border: 0;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
  white-space: nowrap;
}

.difficulty-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border: 2px solid rgba(31, 42, 68, 0.1);
  border-radius: 14px;
  background: #fff;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s var(--ease-bounce), box-shadow 0.18s ease;
}

.difficulty-option:hover .difficulty-card {
  transform: translateX(2px);
  border-color: rgba(31, 42, 68, 0.3);
}

.difficulty-option input:focus-visible + .difficulty-card {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.difficulty-option input:checked + .difficulty-card {
  border-color: var(--ink);
  background: var(--yellow);
  box-shadow: 0 4px 0 rgba(31, 42, 68, 0.15);
}

.difficulty-card__ages {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 11px;
  background: var(--cream);
  font-family: var(--font-display);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.difficulty-option input:checked + .difficulty-card .difficulty-card__ages {
  background: rgba(255, 255, 255, 0.65);
}

.difficulty-card__text {
  display: flex;
  flex: 1;
  flex-direction: column;
  line-height: 1.2;
  min-width: 0;
}

.difficulty-card__text strong {
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 600;
}

.difficulty-card__text small {
  margin-top: 2px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.difficulty-option input:checked + .difficulty-card .difficulty-card__text small {
  color: rgba(31, 42, 68, 0.7);
}

.difficulty-card__check {
  display: grid;
  place-items: center;
  width: 19px;
  height: 19px;
  flex: none;
  border: 2px solid rgba(31, 42, 68, 0.2);
  border-radius: 50%;
  color: transparent;
  font-size: 0.62rem;
  font-weight: 700;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.difficulty-option input:checked + .difficulty-card .difficulty-card__check {
  background: var(--ink);
  border-color: var(--ink);
  color: #fff;
}

.pill-group {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  padding: 5px;
  border: 2px solid rgba(31, 42, 68, 0.08);
  border-radius: 14px;
  background: #fff;
}

.pill-group label {
  position: relative;
  cursor: pointer;
}

.pill-group input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
}

.pill-group span {
  display: grid;
  place-items: center;
  min-height: 38px;
  border-radius: 9px;
  font-family: var(--font-display);
  font-size: 0.92rem;
  font-weight: 500;
  transition: background 0.18s ease, color 0.18s ease, transform 0.18s var(--ease-bounce);
}

.pill-group label:hover span {
  background: var(--cream);
}

.pill-group input:checked + span {
  background: var(--ink);
  color: #fff;
  box-shadow: 0 3px 0 rgba(31, 42, 68, 0.2);
}

.pill-group input:focus-visible + span {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.select-wrap {
  position: relative;
  display: flex;
  align-items: center;
  border: 2px solid rgba(31, 42, 68, 0.14);
  border-radius: 13px;
  background: #fff;
  transition: border-color 0.18s ease;
}

.select-wrap:focus-within {
  border-color: var(--ink);
}

.select-emoji {
  display: grid;
  place-items: center;
  width: 40px;
  height: 44px;
  flex: none;
  border-right: 1px solid var(--line);
  font-size: 1.18rem;
}

.select-wrap select {
  width: 100%;
  height: 44px;
  padding: 0 38px 0 12px;
  border: 0;
  border-radius: 13px;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 0.94rem;
  font-weight: 500;
  appearance: none;
  -webkit-appearance: none;
  outline: 0;
}

.select-chevron {
  position: absolute;
  right: 13px;
  width: 15px;
  height: 15px;
  pointer-events: none;
  color: var(--ink-soft);
}

.field-hint {
  margin-top: 7px;
  font-size: 0.76rem;
  color: var(--ink-faint);
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin: 0 0 22px;
  padding: 13px 14px;
  border: 2px solid rgba(31, 42, 68, 0.08);
  border-radius: 14px;
  background: #fff;
  cursor: pointer;
}

.switch-row__text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}

.switch-row__text strong {
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 600;
}

.switch-row__text small {
  margin-top: 2px;
  font-size: 0.69rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.switch-row input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  overflow: hidden;
}

.switch {
  position: relative;
  width: 44px;
  height: 26px;
  flex: none;
  border-radius: 999px;
  background: #d9dee8;
  transition: background 0.2s ease;
}

.switch span {
  position: absolute;
  top: 3px;
  left: 3px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 2px 5px rgba(31, 42, 68, 0.2);
  transition: transform 0.22s var(--ease-bounce);
}

.switch-row input:checked + .switch {
  background: var(--mint-deep);
}

.switch-row input:checked + .switch span {
  transform: translateX(18px);
}

.switch-row input:focus-visible + .switch {
  outline: 3px solid var(--ink);
  outline-offset: 3px;
}

.generate-btn {
  margin-top: 2px;
}

.generate-btn__icon {
  transition: transform 0.5s ease;
}

.generate-btn.is-spinning .generate-btn__icon {
  transform: rotate(360deg);
}

.panel__note {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed rgba(31, 42, 68, 0.15);
}

.panel__note span {
  font-size: 1.1rem;
  line-height: 1.25;
}

.panel__note p {
  font-size: 0.73rem;
  line-height: 1.45;
  color: var(--ink-faint);
}

/* stage */

.stage {
  min-width: 0;
}

.stage__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 16px;
}

.stage__status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--ink-soft);
}

.live-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--mint-deep);
  box-shadow: 0 0 0 4px rgba(47, 158, 107, 0.16);
  animation: live-pulse 2.4s ease-in-out infinite;
}

@keyframes live-pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(47, 158, 107, 0.16); }
  50% { box-shadow: 0 0 0 7px rgba(47, 158, 107, 0.08); }
}

.paper-scene {
  position: relative;
  padding: 22px;
  border-radius: 24px;
  background-color: #e8e0d2;
  background-image:
    radial-gradient(rgba(31, 42, 68, 0.12) 1px, transparent 1.4px),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.55), transparent 70%);
  background-size: 20px 20px, auto;
  border: 2px solid rgba(31, 42, 68, 0.1);
  overflow: hidden;
}

.paper-frame {
  position: relative;
  width: 100%;
  min-height: 300px;
  transition: height 0.25s ease;
}

.worksheet-canvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 794px;
  transform-origin: top left;
  transition: opacity 0.22s ease;
}

.worksheet-canvas.is-swapping {
  opacity: 0;
}

.worksheet-canvas.is-new .worksheet:first-child {
  animation: sheet-in 0.4s var(--ease-bounce);
}

@keyframes sheet-in {
  from { opacity: 0; transform: translateY(14px) rotate(-0.4deg); }
  to { opacity: 1; transform: translateY(0) rotate(0); }
}

.stage__hint {
  margin-top: 12px;
  font-size: 0.75rem;
  text-align: center;
  color: var(--ink-faint);
}

/* =========================================================
   How it works + closing CTA
   ========================================================= */

.how {
  padding-bottom: 110px;
}

.how__grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 70px;
}

.how__intro h2 {
  margin-bottom: 18px;
  font-size: clamp(2rem, 3.7vw, 3rem);
}

.how__intro p {
  max-width: 440px;
  color: var(--ink-soft);
}

.steps {
  display: grid;
  gap: 14px;
}

.step {
  display: flex;
  align-items: flex-start;
  gap: 17px;
  padding: 18px 20px;
  border: 2px solid rgba(31, 42, 68, 0.09);
  border-radius: 18px;
  background: #fffdf8;
  box-shadow: var(--shadow-sm);
  transition: transform 0.22s var(--ease-bounce), box-shadow 0.22s ease;
}

.step:hover {
  transform: translateX(5px) rotate(-0.3deg);
  box-shadow: var(--shadow-md);
}

.step__num {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  flex: none;
  border-radius: 13px;
  background: var(--yellow);
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  transform: rotate(-4deg);
}

.step:nth-child(2) .step__num { background: var(--mint); }
.step:nth-child(3) .step__num { background: var(--pink); }

.step h3 {
  margin-bottom: 2px;
  font-size: 1.08rem;
}

.step p {
  font-size: 0.85rem;
  line-height: 1.5;
  color: var(--ink-soft);
}

.closing-cta {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 42px 48px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.3), transparent 25%),
    var(--yellow);
  box-shadow: 0 18px 0 rgba(31, 42, 68, 0.08);
  overflow: hidden;
}

.closing-cta h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.closing-cta p {
  margin-top: 5px;
  color: rgba(31, 42, 68, 0.72);
}

.closing-cta__emoji {
  position: absolute;
  right: 38%;
  bottom: -22px;
  font-size: 4.6rem;
  opacity: 0.22;
  transform: rotate(-12deg);
}

/* =========================================================
   Studio promo
   ========================================================= */

.studio-promo__card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 30px;
  padding: 42px 48px;
  border-radius: 30px;
  background:
    radial-gradient(circle at 85% 20%, rgba(255, 255, 255, 0.3), transparent 25%),
    var(--blue);
  box-shadow: 0 18px 0 rgba(31, 42, 68, 0.08);
  overflow: hidden;
}

.studio-promo__card h2 {
  font-size: clamp(1.7rem, 3vw, 2.4rem);
}

.studio-promo__card p {
  margin-top: 5px;
  color: rgba(31, 42, 68, 0.72);
}

.studio-promo__card .section-lede {
  max-width: 520px;
}

/* =========================================================
   Footer
   ========================================================= */

.site-footer {
  position: relative;
  padding: 64px 0 28px;
  background: var(--ink);
  color: #fffdf7;
}

.site-footer::before {
  content: "";
  position: absolute;
  top: -21px;
  left: 0;
  width: 100%;
  height: 24px;
  background:
    radial-gradient(circle at 12px 22px, var(--ink) 12px, transparent 13px) repeat-x;
  background-size: 24px 24px;
}

.site-footer__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 40px;
}

.site-footer__brand p {
  margin-top: 14px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: rgba(255, 253, 247, 0.58);
}

.brand--light {
  color: #fffdf7;
}

.brand--light .brand__name span {
  color: var(--pink);
}

.footer-nav {
  display: flex;
  gap: 70px;
}

.footer-nav h3 {
  margin-bottom: 12px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: rgba(255, 253, 247, 0.45);
}

.footer-nav a {
  display: block;
  margin: 6px 0;
  font-size: 0.88rem;
  color: rgba(255, 253, 247, 0.82);
  transition: color 0.2s ease, transform 0.2s ease;
}

.footer-nav a:hover {
  color: var(--yellow);
  transform: translateX(3px);
}

.site-footer__bottom {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-top: 22px;
  padding-top: 22px;
  border-top: 1px solid rgba(255, 253, 247, 0.12);
  font-size: 0.75rem;
  color: rgba(255, 253, 247, 0.48);
}

.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: none;
  padding: 5px 12px;
  border: 1px solid rgba(255, 253, 247, 0.15);
  border-radius: 999px;
}

.footer-badge span {
  color: var(--pink);
}

/* =========================================================
   Preview modal
   ========================================================= */

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 22px;
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.22s ease, visibility 0.22s ease;
}

.modal.is-open {
  visibility: visible;
  opacity: 1;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24, 31, 49, 0.62);
  backdrop-filter: blur(5px);
  -webkit-backdrop-filter: blur(5px);
}

.modal__dialog {
  position: relative;
  display: flex;
  flex-direction: column;
  width: min(950px, 95vw);
  max-height: 92vh;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 26px;
  background: var(--cream);
  box-shadow: var(--shadow-lg);
  transform: translateY(18px) scale(0.97);
  transition: transform 0.25s var(--ease-bounce);
  overflow: hidden;
}

.modal.is-open .modal__dialog {
  transform: translateY(0) scale(1);
}

.modal__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--line);
  background: #fffdf8;
}

.modal__eyebrow {
  margin-bottom: 4px;
  font-family: var(--font-display);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--pink-deep);
}

.modal__head h2 {
  font-size: clamp(1.3rem, 2.4vw, 1.7rem);
}

.modal__desc {
  margin-top: 4px;
  font-size: 0.8rem;
  color: var(--ink-soft);
}

.modal__stage {
  flex: 1;
  min-height: 250px;
  padding: 22px;
  overflow-y: auto;
  overscroll-behavior: contain;
  background-color: #e8e0d2;
  background-image:
    radial-gradient(rgba(31, 42, 68, 0.12) 1px, transparent 1.4px),
    radial-gradient(ellipse at 50% 0%, rgba(255, 255, 255, 0.55), transparent 70%);
  background-size: 20px 20px, auto;
}

.modal__frame {
  position: relative;
  width: 100%;
  min-height: 300px;
}

.modal__actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  padding: 14px 24px;
  border-top: 1px solid var(--line);
  background: #fffdf8;
}

.modal__actions .btn {
  min-height: 44px;
  font-size: 0.92rem;
}

.modal-open .site-header {
  z-index: 40;
}

/* =========================================================
   Toast + noscript
   ========================================================= */

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  z-index: 150;
  max-width: min(90vw, 380px);
  padding: 12px 20px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: #fffdf8;
  box-shadow: 0 6px 0 rgba(31, 42, 68, 0.18);
  font-family: var(--font-display);
  font-size: 0.9rem;
  font-weight: 500;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 16px);
  transition: opacity 0.22s ease, transform 0.22s var(--ease-bounce);
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.noscript {
  position: fixed;
  inset: auto 16px 16px;
  z-index: 200;
  padding: 14px 20px;
  border: 2px solid var(--ink);
  border-radius: 14px;
  background: var(--yellow);
  text-align: center;
  font-weight: 700;
}

/* =========================================================
   The worksheet (fixed A4 canvas, scaled on screen by JS)
   ========================================================= */

.worksheet {
  --ws-accent: #2f8f5b;
  --ws-accent-soft: #e1f7e9;
  position: relative;
  display: flex;
  flex-direction: column;
  width: 794px;
  min-height: 1123px;
  padding: 34px 42px 24px;
  border-radius: 18px;
  background:
    radial-gradient(circle at 90% 8%, var(--ws-accent-soft), transparent 26%),
    #fff;
  color: var(--ink);
  font-family: var(--font-body);
  box-shadow:
    0 2px 0 rgba(255, 255, 255, 0.8) inset,
    0 28px 65px rgba(31, 42, 68, 0.26),
    0 6px 18px rgba(31, 42, 68, 0.14);
  box-sizing: border-box;
  overflow: hidden;
}

.worksheet + .worksheet {
  margin-top: 26px;
}

.ws-topline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--ws-accent);
}

.ws-brand {
  display: flex;
  align-items: center;
  gap: 7px;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.02em;
}

.ws-brand svg {
  width: 30px;
  height: 30px;
}

.ws-brand small {
  display: block;
  margin-left: 3px;
  font-family: var(--font-body);
  font-size: 7px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ws-theme-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--ws-accent-soft);
  color: var(--ink);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.ws-title {
  padding-top: 14px;
}

.ws-kicker {
  margin-bottom: 3px;
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--ws-accent);
}

.ws-heading {
  font-size: 32px;
  font-weight: 600;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.ws-sub {
  max-width: 560px;
  margin-top: 3px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--ink-soft);
}

.ws-meta {
  display: flex;
  gap: 30px;
  margin-top: 13px;
}

.ws-meta__item {
  display: flex;
  align-items: flex-end;
  gap: 7px;
  flex: 1;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ws-meta__item i {
  flex: 1;
  height: 17px;
  border-bottom: 1.5px dotted rgba(31, 42, 68, 0.38);
}

.ws-meta__item--date {
  max-width: 240px;
}

.ws-instruction {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  margin: 13px 0 14px;
  padding: 8px 12px;
  border-left: 4px solid var(--ws-accent);
  border-radius: 4px 9px 9px 4px;
  background: var(--ws-accent-soft);
  font-size: 11.5px;
  font-weight: 700;
  line-height: 1.42;
}

.ws-instruction > span:first-child {
  font-size: 13px;
  line-height: 1.2;
}

.ws-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 15px;
  min-height: 0;
}

.ws-block {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.ws-block__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.ws-block__badge {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  border-radius: 50%;
  background: var(--ws-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 10px;
  font-weight: 600;
}

.ws-block__hint {
  margin-left: auto;
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ws-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 16px;
  padding-top: 9px;
  border-top: 1.5px dashed var(--ws-accent);
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ws-reward {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 7px 10px;
  border: 1.5px dashed var(--ws-accent);
  border-radius: 8px;
  background: #fffdf8;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--ink-soft);
}

.ws-reward__stars {
  flex: none;
  color: var(--ws-accent);
  font-size: 13px;
  letter-spacing: 4px;
}

.ws-footer span:first-child {
  color: var(--ws-accent);
}

/* --- equations --- */

.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px 40px;
}

.problem-grid--dense {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px 34px;
}

.problem {
  display: flex;
  align-items: center;
  gap: 11px;
  min-height: 58px;
  padding: 2px 0;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.17);
}

.problem-grid--dense .problem {
  gap: 9px;
  min-height: 53px;
}

.problem__num {
  display: grid;
  place-items: center;
  width: 24px;
  height: 24px;
  flex: none;
  border-radius: 50%;
  background: var(--ws-accent-soft);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 10.5px;
  font-weight: 600;
}

.problem-grid--dense .problem__num {
  width: 22px;
  height: 22px;
  font-size: 9.5px;
}

.equation {
  display: flex;
  align-items: center;
  gap: 9px;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.01em;
  white-space: nowrap;
}

.problem-grid--dense .equation {
  gap: 7px;
  font-size: 25px;
}

.equation .op {
  font-weight: 500;
  color: var(--ink-soft);
}

.eq-blank {
  display: inline-block;
  width: 54px;
  height: 36px;
  flex: none;
  border: 2px solid rgba(31, 42, 68, 0.28);
  border-radius: 7px;
  background: #fff;
}

.problem-grid--dense .eq-blank {
  width: 48px;
  height: 32px;
}

.eq-blank--missing {
  border: 2px dashed var(--ws-accent);
  background: var(--ws-accent-soft);
}

/* --- tracing --- */

.trace-grid {
  display: flex;
  flex-direction: column;
}

.trace-grid--compact .trace-row {
  min-height: 41px;
}

.trace-grid--large .trace-row {
  min-height: 86px;
}

.trace-grid--large .trace-row__key {
  width: 34px;
  height: 34px;
  font-size: 18px;
}

.trace-grid--large .trace-row__write {
  height: 34px;
}

.trace-row {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 1px 2px;
  border-bottom: 1px dashed rgba(31, 42, 68, 0.17);
}

.trace-row__key {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  flex: none;
  border-radius: 8px;
  background: var(--ws-accent);
  color: #fff;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
}

.trace-row__copies {
  display: flex;
  align-items: center;
  gap: 2px;
}

.trace-glyph {
  width: 52px;
  height: 56px;
  flex: none;
  color: var(--ink);
}

.trace-grid--compact .trace-glyph {
  width: 36px;
  height: 38px;
}

.trace-row__write {
  flex: 1;
  height: 28px;
  margin-left: 8px;
  border-bottom: 1.5px dotted rgba(31, 42, 68, 0.35);
}

.trace-row__deco {
  width: 26px;
  flex: none;
  font-size: 14px;
  line-height: 1;
  text-align: center;
  opacity: 0.9;
}

.trace-grid--compact .trace-row__deco {
  display: none;
}

/* --- counting --- */

.count-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.count-grid--dense {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.count-grid--roomy {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.count-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 88px;
  padding: 9px 10px 8px;
  border: 1.5px solid rgba(31, 42, 68, 0.16);
  border-radius: 10px;
  background: #fffdfa;
}

.count-grid--dense .count-card {
  min-height: 76px;
  padding: 7px 8px;
}

.count-grid--roomy .count-card {
  min-height: 104px;
  padding: 11px 14px 10px;
}

.count-card__emojis {
  display: flex;
  flex-wrap: wrap;
  align-content: flex-start;
  gap: 1px 2px;
  font-size: 19px;
  line-height: 1.28;
  letter-spacing: 0.5px;
}

.count-grid--dense .count-card__emojis {
  font-size: 15px;
  line-height: 1.25;
}

.count-grid--roomy .count-card__emojis {
  font-size: 28px;
}

.count-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px dashed rgba(31, 42, 68, 0.14);
}

.count-card__prompt {
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.count-card__box,
.shape-card__box {
  display: block;
  width: 32px;
  height: 24px;
  flex: none;
  border: 1.5px solid rgba(31, 42, 68, 0.35);
  border-radius: 6px;
  background: #fff;
}

/* --- shapes --- */

.shape-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.shape-grid--dense {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.shape-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 100px;
  padding: 10px;
  border: 1.5px solid rgba(31, 42, 68, 0.16);
  border-radius: 10px;
  background: #fffdfa;
}

.shape-grid--dense .shape-card {
  min-height: 86px;
  padding: 8px;
}

.shape-card__shapes {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px;
  min-height: 40px;
}

.shape-grid--dense .shape-card__shapes {
  gap: 3px;
}

.ws-shape {
  width: 21px;
  height: 21px;
  flex: none;
}

.shape-grid--dense .ws-shape {
  width: 17px;
  height: 17px;
}

.shape-card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 5px;
  margin-top: 5px;
  padding-top: 5px;
  border-top: 1px dashed rgba(31, 42, 68, 0.14);
}

.shape-card__prompt {
  font-size: 7.5px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* --- size comparison --- */

.compare-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.compare-grid--dense {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.compare-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  min-height: 86px;
  padding: 9px 10px;
  border: 1.5px solid rgba(31, 42, 68, 0.16);
  border-radius: 10px;
  background: #fffdfa;
}

.compare-grid--dense .compare-card {
  min-height: 70px;
  padding: 7px 8px;
}

.compare-card__prompt {
  max-width: 96px;
  font-size: 8.5px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink-soft);
}

.compare-card__prompt strong {
  color: var(--ws-accent);
  text-transform: uppercase;
}

.compare-card__pair {
  display: flex;
  align-items: center;
  gap: 14px;
}

.compare-item {
  display: inline-block;
  line-height: 1;
  transform: rotate(-3deg);
}

.compare-item--big {
  font-size: 38px;
}

.compare-item--small {
  font-size: 20px;
  transform: rotate(5deg);
}

.compare-grid--dense .compare-item--big { font-size: 31px; }
.compare-grid--dense .compare-item--small { font-size: 16px; }

/* --- number bonds --- */

.bond-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.bond-grid--dense {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.bond-card {
  display: grid;
  place-items: center;
  padding: 5px;
  border: 1.5px solid rgba(31, 42, 68, 0.16);
  border-radius: 10px;
  background: #fffdfa;
}

.bond-svg {
  width: 100%;
  max-width: 152px;
}

.bond-svg line {
  stroke: rgba(31, 42, 68, 0.3);
  stroke-width: 2;
  stroke-linecap: round;
}

.bond-svg circle {
  fill: #fff;
  stroke: var(--ws-accent);
  stroke-width: 2;
}

.bond-svg circle.bond-blank {
  fill: var(--ws-accent-soft);
  stroke-dasharray: 5 4;
}

.bond-svg text {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 600;
  fill: var(--ink);
}

/* --- tally marks --- */

.tally-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 9px;
}

.tally-grid--dense {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.tally-card {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 68px;
  padding: 8px 12px;
  border: 1.5px solid rgba(31, 42, 68, 0.16);
  border-radius: 10px;
  background: #fffdfa;
}

.tally-grid--dense .tally-card {
  min-height: 58px;
  gap: 8px;
  padding: 6px 9px;
}

.tally-card__num {
  display: grid;
  place-items: center;
  width: 21px;
  height: 21px;
  flex: none;
  border-radius: 50%;
  background: var(--ws-accent-soft);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
}

.tally-set {
  display: flex;
  align-items: center;
  gap: 15px;
  flex: 1;
  min-width: 0;
}

.tally-group {
  position: relative;
  display: flex;
  gap: 4px;
  height: 32px;
  flex: none;
}

.tally-grid--dense .tally-group {
  height: 26px;
  gap: 3px;
}

.tally-group b {
  display: block;
  width: 2px;
  height: 100%;
  border-radius: 2px;
  background: var(--ink);
}

.tally-group--five::after {
  content: "";
  position: absolute;
  top: 46%;
  left: -4px;
  width: calc(100% + 8px);
  height: 2px;
  border-radius: 2px;
  background: var(--ink);
  transform: rotate(-18deg);
}

.tally-card__box {
  display: block;
  width: 30px;
  height: 23px;
  flex: none;
  border: 1.5px solid rgba(31, 42, 68, 0.35);
  border-radius: 5px;
  background: #fff;
}

/* --- word problems --- */

.word-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.word-problem {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 11px;
  border: 1.5px solid rgba(31, 42, 68, 0.14);
  border-radius: 10px;
  background: #fffdfa;
}

.word-problem__num {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: none;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--ws-accent-soft);
  font-family: var(--font-display);
  font-size: 9.5px;
  font-weight: 600;
}

.word-problem__body {
  flex: 1;
  min-width: 0;
}

.word-problem__text {
  display: flex;
  align-items: flex-start;
  gap: 7px;
  font-size: 11.5px;
  font-weight: 600;
  line-height: 1.45;
}

.word-problem__emoji {
  flex: none;
  font-size: 15px;
  line-height: 1.25;
}

.word-problem__answer {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  margin-top: 3px;
  padding-left: 22px;
  font-size: 8px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.word-problem__answer i {
  flex: 1;
  max-width: 230px;
  height: 15px;
  border-bottom: 1.5px dotted rgba(31, 42, 68, 0.35);
}

.word-workbox {
  margin-top: 2px;
  padding: 9px 11px 10px;
  border: 1.5px dashed rgba(31, 42, 68, 0.24);
  border-radius: 10px;
  background: #fffdfa;
}

/* Adaptive thinking space added by script.js when a sheet has spare room. */
.ws-workzone {
  display: flex;
  flex: 1 1 auto;
  flex-direction: column;
  min-height: 130px;
  max-height: 180px;
  margin-top: 2px;
  padding: 9px 11px 10px;
  border: 1.5px dashed rgba(31, 42, 68, 0.24);
  border-radius: 10px;
  background: #fffdfa;
}

.ws-workzone__head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.ws-workzone__head span:first-child {
  font-size: 11px;
}

.ws-workzone__area {
  flex: 1;
  min-height: 60px;
  margin-top: 7px;
  border-radius: 7px;
  background-image: radial-gradient(rgba(31, 42, 68, 0.14) 1px, transparent 1.2px);
  background-size: 17px 17px;
}

.word-workbox__head {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 8.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

.word-workbox__head span:first-child {
  font-size: 11px;
}

.word-workbox__area {
  height: 168px;
  margin-top: 7px;
  border-radius: 7px;
  background-image: radial-gradient(rgba(31, 42, 68, 0.14) 1px, transparent 1.2px);
  background-size: 17px 17px;
}

/* --- answer key page --- */

.worksheet--key {
  background:
    radial-gradient(circle at 90% 5%, var(--ws-accent-soft), transparent 23%),
    #fff;
}

.key-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--yellow);
  font-family: var(--font-display);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ink);
}

.key-meta {
  display: flex;
  gap: 22px;
  margin-top: 16px;
  padding: 10px 14px;
  border: 1.5px dashed var(--ws-accent);
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  color: var(--ink-soft);
}

.key-meta strong {
  color: var(--ink);
}

.key-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-top: 20px;
}

.key-item {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 7px 9px;
  border: 1.5px solid rgba(31, 42, 68, 0.13);
  border-radius: 9px;
  background: #fffdfa;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 500;
}

.key-item b {
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 50%;
  background: var(--ws-accent-soft);
  font-family: var(--font-body);
  font-size: 9px;
  font-weight: 700;
}

.key-note {
  margin-top: auto;
  padding: 14px 16px;
  border-radius: 10px;
  background: var(--cream);
  font-size: 10.5px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink-soft);
}

/* =========================================================
   Responsive
   ========================================================= */

@media (max-width: 1100px) {
  .printables-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .hero__inner {
    gap: 30px;
  }

  .float-emoji--2 { left: -8px; }
}

@media (max-width: 980px) {
  .section {
    padding: 72px 0;
  }

  .hero {
    padding: 50px 0 68px;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero__copy {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .hero__lede {
    max-width: 580px;
  }

  .hero__actions,
  .hero__proof {
    justify-content: center;
  }

  .hero__art {
    width: min(100%, 560px);
    margin: 10px auto 0;
    min-height: 500px;
  }

  .studio {
    grid-template-columns: 1fr;
    gap: 22px;
    padding: 20px;
  }

  .panel {
    position: static;
  }

  .how__grid {
    grid-template-columns: 1fr;
    gap: 34px;
  }

  .how__intro p {
    max-width: 620px;
  }

  .site-nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .level__head {
    flex-wrap: wrap;
  }
}

@media (max-width: 760px) {
  body {
    font-size: 16px;
  }

  .container {
    width: min(100% - 32px, var(--page-max));
  }

  .section {
    padding: 62px 0;
  }

  .site-header__inner {
    min-height: 68px;
    gap: 14px;
  }

  .brand {
    font-size: 1.25rem;
  }

  .brand__mark {
    width: 36px;
    height: 36px;
  }

  .header-cta {
    min-height: 38px;
    padding: 8px 14px;
    font-size: 0.82rem;
  }

  .hero h1 {
    font-size: clamp(2.75rem, 10vw, 3.8rem);
  }

  .hero__actions {
    width: 100%;
  }

  .hero__actions .btn {
    flex: 1 1 210px;
  }

  .hero__art {
    min-height: 430px;
  }

  .paper-stack {
    width: min(310px, 76%);
  }

  .sticker--print {
    top: 0;
    left: 5%;
    width: 84px;
    height: 84px;
    font-size: 0.78rem;
  }

  .sticker--infinite {
    right: 1%;
    bottom: 40px;
    font-size: 0.75rem;
  }

  .float-emoji {
    width: 44px;
    height: 44px;
    font-size: 1.35rem;
  }

  .float-emoji--2 { left: 0; }
  .float-emoji--3 { left: 5%; }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 18px;
    margin-bottom: 30px;
  }

  .section-head--center {
    align-items: center;
  }

  .section-head h2 {
    font-size: clamp(1.9rem, 7.5vw, 2.7rem);
  }

  .level {
    padding: 16px;
    border-radius: 22px;
  }

  .level__head {
    align-items: flex-start;
    gap: 12px;
    padding: 0 2px 16px;
  }

  .level__badge {
    min-width: 0;
    padding: 8px 12px;
    font-size: 0.9rem;
  }

  .level__heading h3 {
    font-size: 1.28rem;
  }

  .level__heading p {
    font-size: 0.82rem;
  }

  .level__sticker {
    display: none;
  }

  .closing-cta {
    flex-direction: column;
    align-items: flex-start;
    padding: 30px;
  }

  .footer-nav {
    gap: 38px;
  }

  .modal {
    padding: 10px;
  }

  .modal__dialog {
    width: 100%;
    max-height: 95vh;
    border-radius: 20px;
  }

  .modal__head {
    padding: 16px 18px 12px;
  }

  .modal__stage {
    padding: 12px;
  }

  .modal__actions {
    flex-direction: column-reverse;
    padding: 12px 16px;
  }

  .modal__actions .btn {
    width: 100%;
  }

  .studio {
    border-radius: 24px;
  }

  .panel {
    padding: 18px;
  }

  .stage__bar {
    align-items: flex-start;
  }

  .stage__bar .btn {
    width: 100%;
  }

  .paper-scene {
    padding: 12px;
    border-radius: 18px;
  }

  .stage__hint {
    font-size: 0.7rem;
  }
}

@media (max-width: 620px) {
  .printables-grid {
    grid-template-columns: 1fr;
  }

  .sheet-card {
    display: grid;
    grid-template-columns: 142px 1fr;
    align-items: stretch;
  }

  .sheet-card__preview {
    height: 100%;
    min-height: 188px;
    padding: 12px 8px;
  }

  .mini-paper {
    width: 124px;
    height: 164px;
    padding: 10px;
  }

  .mini-paper__title {
    font-size: 0.62rem;
  }

  .mini-paper__top {
    font-size: 0.4rem;
  }

  .sheet-card__body {
    padding: 14px;
  }

  .theme-pill {
    right: 6px;
    bottom: 6px;
    font-size: 0.54rem;
  }

  .mini-eq {
    font-size: 0.68rem;
  }

  .mini-count__emojis {
    font-size: 0.68rem;
  }

  .sheet-card__desc {
    font-size: 0.78rem;
  }

  .sheet-card__cta {
    padding-top: 9px;
  }

  .hero__proof {
    gap: 8px 16px;
    font-size: 0.82rem;
  }

  .hero__proof li:last-child {
    display: none;
  }

  .difficulty-card {
    gap: 9px;
    padding: 9px;
  }

  .difficulty-card__ages {
    width: 38px;
    height: 38px;
    font-size: 0.72rem;
  }

  .difficulty-card__text strong {
    font-size: 0.88rem;
  }

  .difficulty-card__text small {
    font-size: 0.65rem;
  }

  .site-footer__inner {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .site-footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
}

@media (max-width: 460px) {
  .container {
    width: min(100% - 24px, var(--page-max));
  }

  .header-cta {
    padding: 8px 12px;
    font-size: 0.75rem;
  }

  .header-cta svg {
    display: none;
  }

  .hero__art {
    min-height: 370px;
  }

  .paper-stack {
    width: min(260px, 82%);
  }

  .blob--yellow {
    width: 310px;
    height: 310px;
    top: 22px;
  }

  .blob--mint {
    width: 190px;
    height: 190px;
  }

  .blob--pink {
    width: 140px;
    height: 140px;
  }

  .float-emoji--1 { right: 0; top: 20px; }
  .float-emoji--4 { right: 12px; }
  .float-emoji--3 { left: 0; }

  .hero-sheet--front {
    padding: 22px 20px 18px;
  }

  .hero-sheet h2 {
    margin-top: 12px;
    font-size: 1.6rem;
  }

  .hero-eq {
    margin-top: 9px;
    padding: 6px 9px;
    font-size: 1.08rem;
  }

  .hero-count {
    margin-top: 10px;
    padding: 8px;
  }

  .hero-sheet--back {
    padding: 20px;
  }

  .sheet-card {
    grid-template-columns: 116px 1fr;
  }

  .sheet-card__preview {
    min-height: 174px;
  }

  .mini-paper {
    width: 104px;
    height: 150px;
    padding: 8px;
  }

  .mini-paper__title {
    margin: 5px 0;
  }

  .sheet-card__tags {
    gap: 4px;
    margin-bottom: 7px;
  }

  .chip {
    padding: 2px 6px;
    font-size: 0.56rem;
  }

  .sheet-card__title {
    font-size: 1rem;
  }

  .sheet-card__desc {
    display: -webkit-box;
    margin-top: 4px;
    font-size: 0.76rem;
    line-height: 1.38;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
  }

  .sheet-card__cta {
    margin-top: 12px;
    padding-top: 0;
  }

  .closing-cta__emoji {
    display: none;
  }

  .how__grid {
    margin-bottom: 46px;
  }

  .footer-nav {
    flex-direction: column;
    gap: 22px;
  }
}

/* =========================================================
   Motion preferences
   ========================================================= */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

/* =========================================================
   PRINT — the standalone print page only ever prints the
   worksheet. worksheet.js clones the active sheet(s) into
   #print-area before the browser print dialog opens.
   ========================================================= */

#print-area {
  display: none;
}

@media print {
  @page {
    size: A4 portrait;
    margin: 0;
  }

  body.print-page {
    width: 210mm;
    min-height: 297mm;
    margin: 0 !important;
    padding: 0 !important;
    background: #fff !important;
    background-image: none !important;
    overflow: visible !important;
    scrollbar-gutter: auto;
  }

  /* Hide the print page chrome: toolbar, preview, help, footer, toast. */
  body.print-page > * {
    display: none !important;
  }

  /* Re-show only the print staging area. */
  body.print-page #print-area {
    display: block !important;
    width: 210mm;
    margin: 0;
    padding: 0;
  }

  #print-area .worksheet {
    display: flex !important;
    width: 210mm;
    height: 296.8mm;
    min-height: 0;
    margin: 0 !important;
    padding: 7mm 10.5mm;
    border: 0;
    border-radius: 0;
    box-shadow: none;
    overflow: hidden;
    page-break-inside: avoid;
    break-inside: avoid;
    page-break-after: always;
    break-after: page;
  }

  #print-area .worksheet:last-child {
    page-break-after: auto;
    break-after: auto;
  }

  #print-area .worksheet *,
  #print-area .worksheet::before,
  #print-area .worksheet::after {
    -webkit-print-color-adjust: exact !important;
    print-color-adjust: exact !important;
  }

  #print-area .ws-meta__item i,
  #print-area .trace-row__write,
  #print-area .word-problem__answer i {
    border-color: #7d879b !important;
  }

  #print-area .ws-instruction,
  #print-area .ws-theme-pill,
  #print-area .count-card,
  #print-area .shape-card,
  #print-area .compare-card,
  #print-area .bond-card,
  #print-area .tally-card,
  #print-area .word-problem,
  #print-area .pattern-row,
  #print-area .tenframe-card,
  #print-area .dice-card,
  #print-area .picture-eq,
  #print-area .beforeafter-card,
  #print-area .sequence-row,
  #print-area .greater-card,
  #print-area .place-card,
  #print-area .ordinal-card,
  #print-area .numberline-card,
  #print-area .numberword-card,
  #print-area .place100-card,
  #print-area .evenodd-card,
  #print-area .fraction-card,
  #print-area .clock-card,
  #print-area .money-card,
  #print-area .factfamily-card,
  #print-area .vertical-problem,
  #print-area .array-card,
  #print-area .graph-card,
  #print-area .round-card,
  #print-area .solid-card,
  #print-area .problem__num {
    background-color: #f7f7f5 !important;
  }

  #print-area .count-card,
  #print-area .shape-card,
  #print-area .compare-card,
  #print-area .bond-card,
  #print-area .tally-card,
  #print-area .word-problem,
  #print-area .pattern-row,
  #print-area .tenframe-card,
  #print-area .dice-card,
  #print-area .picture-eq,
  #print-area .beforeafter-card,
  #print-area .sequence-row,
  #print-area .greater-card,
  #print-area .place-card,
  #print-area .ordinal-card,
  #print-area .numberline-card,
  #print-area .numberword-card,
  #print-area .place100-card,
  #print-area .evenodd-card,
  #print-area .fraction-card,
  #print-area .clock-card,
  #print-area .money-card,
  #print-area .factfamily-card,
  #print-area .vertical-problem,
  #print-area .array-card,
  #print-area .graph-card,
  #print-area .round-card,
  #print-area .solid-card,
  #print-area .ws-workzone {
    background-color: #fff !important;
  }
}