:root {
  --tk-blue-600: #1B6BFF;
  --tk-blue-700: #1553C4;
  --tk-blue-400: #6BA5FF;
  --tk-blue-200: #A8CBFF;
  --tk-blue-100: #CFE2FF;
  --tk-blue-50:  #F2F7FF;
  --tk-navy-900: #0B2447;
  --tk-navy-600: #4A6689;
  --tk-navy-400: #6B86A8;
  --tk-cyan-400: #38BDF8;
  --tk-yellow-400: #FFC93C;
  --tk-coral-400: #FF6B5A;
  --tk-white: #FFFFFF;
  --tk-border: #DFEAFB;
  --color-bg: var(--tk-white);
  --color-bg-alt: var(--tk-blue-50);
  --color-surface: var(--tk-white);
  --color-surface-dark: var(--tk-navy-900);
  --color-text: var(--tk-navy-900);
  --color-text-muted: var(--tk-navy-600);
  --color-on-dark-muted: var(--tk-blue-100);
  --color-link: var(--tk-blue-700);
  --color-link-hover: var(--tk-navy-900);
  --color-text-on-dark: var(--tk-white);
  --color-primary: var(--tk-blue-600);
  --color-primary-hover: var(--tk-blue-700);
  --color-on-primary: var(--tk-white);
  --color-accent: var(--tk-cyan-400);
  --color-highlight: var(--tk-yellow-400);
  --color-badge: var(--tk-coral-400);
  --color-border: var(--tk-border);
  --color-focus: var(--tk-blue-700);
  --color-focus-on-dark: var(--tk-cyan-400);
  --font-display: 'Baloo 2', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --text-display: 3.5rem;
  --text-h1: 2.5rem;
  --text-h2: 1.75rem;
  --text-h3: 1.25rem;
  --text-body: 1.0625rem;
  --text-small: 0.875rem;
  --leading-tight: 1.1;
  --leading-snug: 1.25;
  --leading-body: 1.6;
  --measure: 68ch;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-6: 24px;
  --space-8: 32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;
  --space-32: 128px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 40px;
  --radius-pill: 999px;
  --shadow-sm: 0 2px 6px rgba(11, 36, 71, 0.08);
  --shadow-md: 0 8px 20px rgba(11, 36, 71, 0.10);
  --shadow-lg: 0 16px 40px rgba(11, 36, 71, 0.14);
  --ease-swim: cubic-bezier(0.22, 0.61, 0.36, 1);
  --dur-fast: 150ms;
  --dur-base: 260ms;
  --dur-slow: 480ms;
  --nudge: 4px;
}
@media (max-width: 640px) {
  :root {
    --text-display: 2.5rem;
    --text-h1: 1.875rem;
    --text-h2: 1.5rem;
  }
}
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  color: var(--color-text);
  background: var(--color-bg);
}
h1, h2, h3, .display {
  font-family: var(--font-display);
  font-weight: 800;
  line-height: var(--leading-tight);
}
h2, h3 { font-weight: 700; line-height: var(--leading-snug); }
h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
p  { max-width: var(--measure); }
:where(a, button, [tabindex]):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.nudge-on-hover {
  transition: transform var(--dur-base) var(--ease-swim),
              box-shadow var(--dur-base) var(--ease-swim);
}
.nudge-on-hover:hover { transform: translateX(var(--nudge)); }
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .nudge-on-hover:hover { transform: none; }
}
@font-face {
  font-family: 'Baloo 2';
  font-style: normal;
  font-weight: 400 800;
  font-display: swap;
  src: url('/assets/fontes/baloo2-latin-wght.26fb4610d4.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
                 U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Nunito';
  font-style: normal;
  font-weight: 200 1000;
  font-display: swap;
  src: url('/assets/fontes/nunito-latin-wght.ba344451ea.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
                 U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: 'Nunito';
  font-style: italic;
  font-weight: 200 1000;
  font-display: swap;
  src: url('/assets/fontes/nunito-latin-italic-wght.6cfcc3786d.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329,
                 U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
:root {
  --container: 1200px;
  --gutter: 16px;
  --gap: 16px;
  --section-y: 48px;
  --radius-cover: 6px;
  --tap: 44px;
}
@media (min-width: 640px) { :root { --gutter: 24px; --gap: 24px; --section-y: 64px; } }
@media (min-width: 960px) { :root { --gutter: 32px; --gap: 32px; --section-y: 96px; } }
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; overflow-wrap: break-word; }
img, svg, iframe { display: block; max-width: 100%; }
picture { display: contents; }
picture > source { display: none; }
img { height: auto; }
h1, h2, h3, p, ul, ol, dl, dd, figure, blockquote { margin: 0; }
:where(ul[class], ol[class]) { list-style: none; padding: 0; }
button { font: inherit; color: inherit; }
strong, b { font-weight: 700; }
i, cite, em { font-style: italic; }
[id] { scroll-margin-top: 16px; }
a { color: var(--color-link); text-decoration-thickness: 2px; text-underline-offset: 0.18em; }
a:hover { color: var(--color-link-hover); }
:where(summary):focus-visible {
  outline: 3px solid var(--color-focus); outline-offset: 2px; border-radius: var(--radius-sm);
}
.icon { width: 1.25em; height: 1.25em; flex: none; fill: none; stroke: currentColor;
        stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.icon--fill { fill: currentColor; stroke: none; }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute; left: var(--gutter); top: -100px; z-index: 100;
  background: var(--tk-navy-900); color: var(--tk-white); padding: 12px 16px;
  border-radius: var(--radius-md); font-weight: 700; text-decoration: none;
}
.skip-link:focus { top: 8px; color: var(--tk-white); outline-color: var(--tk-cyan-400); }
.surface-dark {
  background: var(--color-surface-dark); color: var(--color-text-on-dark);
  --color-focus: var(--color-focus-on-dark);
  --color-link: var(--tk-cyan-400);
  --color-link-hover: var(--tk-white);
  --color-text-muted: var(--color-on-dark-muted);
}
.container { width: 100%; max-width: calc(var(--container) + 2 * var(--gutter));
             margin-inline: auto; padding-inline: var(--gutter); }
.section { padding-block: var(--section-y); }
.section--alt { background: var(--color-bg-alt); }
.section--flush-top { padding-top: 0; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.section__head { display: grid; gap: 12px; margin-bottom: 32px; }
.section__title { font-size: var(--text-h2); letter-spacing: -0.01em; }
.section__lead { color: var(--color-text-muted); font-size: 1.0625rem; }
.section__foot { margin-top: 32px; display: flex; flex-wrap: wrap; gap: 16px 24px; align-items: center; }
@media (min-width: 960px) {
  .section__title { font-size: 2.25rem; }
  .section__lead { font-size: 1.125rem; }
  .section__head { margin-bottom: 48px; }
}
.eyebrow { font-weight: 700; font-size: 0.9375rem; color: var(--color-link); line-height: 1.4; }
.lead { font-size: 1.125rem; color: var(--color-text-muted); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 52px; padding: 12px 24px; border: 2px solid transparent; border-radius: var(--radius-md);
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-body); line-height: 1.1;
  text-align: center; text-decoration: none; cursor: pointer;
  transition: transform var(--dur-base) var(--ease-swim), background-color var(--dur-fast),
              color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-base);
}
@media (min-width: 960px) { .btn { min-height: 48px; } }
.btn:hover { transform: translateX(3px); }
.btn:active { transform: translateX(1px); }
.btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.btn--primary:hover { background: var(--color-primary-hover); color: var(--color-on-primary); }
.btn--primary:active { background: var(--tk-navy-900); }
.btn--secondary { background: var(--tk-white); color: var(--tk-blue-700); border-color: var(--color-primary); }
.btn--secondary:hover { background: var(--tk-blue-50); color: var(--tk-blue-700); border-color: var(--tk-blue-700); }
.btn--secondary:active { background: var(--tk-blue-100); }
.btn--on-dark { background: transparent; color: var(--tk-white); border-color: var(--tk-white); }
.btn--on-dark:hover { background: rgba(255,255,255,.12); color: var(--tk-white); }
.btn--soon, .btn[aria-disabled="true"] {
  background: var(--tk-white); color: var(--color-text-muted); border: 2px dashed var(--tk-blue-200);
  cursor: not-allowed; font-family: var(--font-body); font-weight: 700;
}
.btn--soon:hover, .btn[aria-disabled="true"]:hover { transform: none; background: var(--tk-white); }
.store-buttons { display: grid; grid-template-columns: repeat(auto-fit, minmax(136px, 1fr)); gap: 8px; }
.btn-store {
  display: flex; align-items: center; gap: 10px; min-height: 56px; padding: 8px 14px;
  background: var(--color-primary); color: var(--color-on-primary); border-radius: var(--radius-md);
  text-decoration: none; line-height: 1.1;
  transition: transform var(--dur-base) var(--ease-swim), background-color var(--dur-fast);
}
.btn-store:hover { background: var(--color-primary-hover); color: var(--color-on-primary); transform: translateX(3px); }
.btn-store:active { background: var(--tk-navy-900); transform: translateX(1px); }
.btn-store__label { display: block; }
.btn-store__pre, .btn-store__name { display: block; }
.btn-store__pre { font-size: 0.875rem; font-weight: 600; }
.btn-store__name { font-family: var(--font-display); font-weight: 800; font-size: 1.25rem; }
.btn-store .icon { width: 22px; height: 22px; }
.surface-dark .btn-store:hover { background: var(--tk-blue-400); color: var(--tk-navy-900); }
.price-note { font-size: 0.9375rem; color: var(--color-text-muted); margin-top: 8px; }
.link-arrow, .link-ext {
  display: inline-flex; align-items: center; gap: 6px; min-height: var(--tap);
  font-weight: 700; text-decoration: none; transition: transform var(--dur-base) var(--ease-swim);
}
.link-arrow:hover, .link-ext:hover { text-decoration: underline; transform: translateX(3px); }
.link-arrow .icon, .link-ext .icon { width: 1.1em; height: 1.1em; }
.badge {
  display: inline-flex; align-items: center; gap: 6px; padding: 4px 12px; border-radius: var(--radius-pill);
  font-size: 0.875rem; font-weight: 700; line-height: 1.3; color: var(--tk-navy-900); white-space: nowrap;
}
.badge--age  { background: var(--tk-yellow-400); }
.badge--soon { background: var(--tk-coral-400); }
.badges { display: flex; flex-wrap: wrap; gap: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  padding: 4px 12px; border-radius: var(--radius-pill); background: var(--tk-blue-50);
  border: 1px solid var(--color-border); font-size: 0.875rem; font-weight: 600; line-height: 1.4;
}
.section--alt .tags li, .surface-dark .tags li { background: var(--tk-white); color: var(--tk-navy-900); }
.site-header { position: relative; z-index: 20; background: var(--tk-white); border-bottom: 1px solid var(--color-border); }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
@media (min-width: 960px) { .site-header__inner { min-height: 76px; } }
.brand { display: inline-flex; align-items: center; gap: 6px; min-height: var(--tap); text-decoration: none;
         color: var(--tk-navy-900); transition: transform var(--dur-base) var(--ease-swim); }
.brand:hover { transform: translateX(3px); color: var(--tk-navy-900); }
.brand__mascot { width: 52px; height: auto; }
.brand__word { font-family: var(--font-display); font-weight: 800; font-size: 1.625rem; letter-spacing: -0.01em; line-height: 1; }
.brand__word span { color: var(--tk-blue-600); }
@media (min-width: 960px) { .brand__mascot { width: 60px; } .brand__word { font-size: 1.875rem; } }
.nav-toggle {
  display: inline-flex; align-items: center; gap: 8px; min-height: var(--tap); min-width: var(--tap);
  padding: 8px 14px; border: 2px solid var(--color-border); border-radius: var(--radius-pill);
  background: var(--tk-white); font-weight: 700; cursor: pointer;
}
.nav-toggle:hover { border-color: var(--tk-blue-200); background: var(--tk-blue-50); }
.nav-toggle .icon--close { display: none; }
.nav-toggle[aria-expanded="true"] .icon--menu { display: none; }
.nav-toggle[aria-expanded="true"] .icon--close { display: block; }
.site-nav__list { display: flex; gap: 4px; }
.site-nav__link {
  display: flex; align-items: center; min-height: var(--tap); padding: 8px 12px; border-radius: var(--radius-md);
  font-weight: 700; color: var(--tk-navy-900); text-decoration: none;
  transition: transform var(--dur-base) var(--ease-swim), background-color var(--dur-fast);
}
.site-nav__link:hover { background: var(--tk-blue-50); color: var(--tk-blue-700); transform: translateX(3px); }
.site-nav__link[aria-current], .site-nav__link.is-section { color: var(--tk-blue-700); box-shadow: inset 0 -3px 0 var(--tk-cyan-400); }
@media (max-width: 639.98px) {
  .site-nav { position: absolute; left: 0; right: 0; top: 100%; background: var(--tk-white);
              border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow-md); display: none; }
  .site-nav.is-open { display: block; }
  .site-nav__list { flex-direction: column; padding: 8px var(--gutter) 16px; gap: 0; }
  .site-nav__link { min-height: 52px; padding-inline: 4px; font-size: 1.125rem; border-bottom: 1px solid var(--color-border); border-radius: 0; }
  .site-nav__list li:last-child .site-nav__link { border-bottom: 0; }
}
@media (min-width: 640px) { .nav-toggle { display: none; } }
@media (max-width: 639.98px) and (scripting: none) {
  .nav-toggle { display: none; }
  .site-header__inner { flex-wrap: wrap; }
  .site-nav { position: static; display: block; box-shadow: none; border: 0; width: 100%; overflow-x: auto; }
  .site-nav__list { flex-direction: row; padding: 0 0 8px; }
  .site-nav__link { border: 0; font-size: 1rem; min-height: var(--tap); }
}
.breadcrumb { padding-block: 12px 0; font-size: 0.9375rem; }
.breadcrumb ol { display: flex; flex-wrap: nowrap; align-items: center; min-width: 0; list-style: none; margin: 0; padding: 0; }
.breadcrumb li:not(:last-child) { flex: none; }
.breadcrumb li { display: flex; align-items: center; min-width: 0; white-space: nowrap; }
.breadcrumb li + li::before { content: "›" / ""; padding-inline: 8px; color: var(--color-text-muted); }
.breadcrumb a { display: inline-flex; align-items: center; min-height: var(--tap); font-weight: 600; }
.breadcrumb [aria-current] { color: var(--color-text-muted); overflow: hidden; text-overflow: ellipsis; }
.breadcrumb li:last-child { flex: 1 1 auto; }
.hero { position: relative; overflow: hidden; background: var(--color-bg-alt); padding-block: 24px 64px; }
.hero__trails { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.hero__inner { position: relative; display: grid; gap: 32px; align-items: center; }
.hero__copy { display: grid; gap: 12px; }
.hero__title { font-size: clamp(2.125rem, 1.4rem + 3.2vw, var(--text-display)); letter-spacing: -0.02em; line-height: 1.05; }
.hero__lead { color: var(--color-text-muted); font-size: 1.0625rem; margin-top: 4px; }
.hero__actions { display: grid; gap: 8px; margin-top: 12px; }
@media (min-width: 480px) { .hero__actions { display: flex; flex-wrap: wrap; gap: 12px; } }
@media (min-width: 960px) {
  .hero { padding-block: 64px 112px; }
  .hero__inner { grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 48px; }
  .hero__lead { font-size: 1.1875rem; }
  .hero__actions { margin-top: 20px; }
}
.cover-stack { position: relative; width: 100%; max-width: 560px; margin-inline: auto; aspect-ratio: 100 / 86; }
.cover-stack__item { position: absolute; width: 40%; transform: rotate(-3deg); }
.cover-stack__item img, .book-cover img {
  width: 100%; aspect-ratio: 555 / 800; object-fit: cover; border-radius: var(--radius-cover);
  box-shadow: var(--shadow-lg);
}
.cover-stack__item::after, .book-cover::after {
  content: ""; position: absolute; inset: 0 auto 0 0; width: 5%; border-radius: var(--radius-cover) 0 0 var(--radius-cover);
  background: linear-gradient(90deg, rgba(255,255,255,.28), rgba(255,255,255,0)); pointer-events: none;
}
.cover-stack__item--1 { left: 0;   top: 30%; z-index: 3; }
.cover-stack__item--2 { left: 30%; top: 14%; z-index: 2; }
.cover-stack__item--3 { left: 60%; top: 0;   z-index: 1; }
.hero__mascot { position: absolute; right: -2%; bottom: 0; width: 30%; z-index: 4;
                animation: swim-in var(--dur-slow) var(--ease-swim) 120ms both; }
.hero__sparkle { position: absolute; width: 6%; color: var(--tk-yellow-400); fill: currentColor; z-index: 4; }
.hero__sparkle--a { left: 2%; top: 8%; }
.hero__sparkle--b { right: 34%; bottom: 6%; width: 4%; color: var(--tk-cyan-400); }
@keyframes swim-in { from { opacity: 0; transform: translateX(-40px); } to { opacity: 1; transform: none; } }
@media (max-width: 959.98px) { .hero__art { max-width: 440px; width: 100%; margin-inline: auto; } }
.trust { position: relative; z-index: 2; margin-top: -40px; }
.trust__list {
  display: grid; background: var(--tk-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-md);
  padding: 8px 20px;
}
.trust__item { display: grid; grid-template-columns: 40px 1fr; gap: 4px 14px; padding-block: 16px; align-content: start; }
.trust__item + .trust__item { border-top: 1px solid var(--color-border); }
.trust__icon { grid-row: span 3; width: 40px; height: 40px; border-radius: 50%; background: var(--tk-blue-50);
               color: var(--tk-blue-600); display: grid; place-items: center; }
.trust__icon .icon { width: 22px; height: 22px; }
.trust__title { font-size: 1.125rem; line-height: 1.25; }
.trust__text { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.5; }
.trust__item .link-arrow { min-height: 32px; font-size: 0.9375rem; justify-self: start; }
@media (min-width: 640px) {
  .trust__list { grid-template-columns: 1fr 1fr; column-gap: 24px; padding: 8px 24px; }
  .trust__item + .trust__item { border-top: 0; }
  .trust__item:nth-child(n+3) { border-top: 1px solid var(--color-border); }
}
@media (min-width: 1100px) {
  .trust { margin-top: -56px; }
  .trust__list { grid-template-columns: repeat(4, 1fr); padding: 24px 8px; }
  .trust__item { padding: 4px 20px; }
  .trust__item:nth-child(n+3) { border-top: 0; }
  .trust__item + .trust__item { border-left: 1px solid var(--color-border); }
}
.feature {
  position: relative; overflow: hidden; border-radius: var(--radius-lg); padding: 28px 20px;
  display: grid; gap: 24px; grid-template-areas: "text" "media" "buy";
}
.feature__trails { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.feature__text { grid-area: text; position: relative; display: grid; gap: 12px; }
.feature__text .eyebrow { color: var(--tk-yellow-400); }
.feature__title { font-size: var(--text-h2); }
.feature__text p:not(.eyebrow) { color: var(--tk-blue-100); }
.feature__media { grid-area: media; position: relative; display: grid; gap: 10px; }
.feature__buy { grid-area: buy; position: relative; display: grid; gap: 12px; align-content: start; }
.feature__links { display: flex; flex-wrap: wrap; gap: 0 20px; }
.product-chip { display: grid; grid-template-columns: 56px 1fr; gap: 4px 14px; align-items: center; }
.product-chip img { grid-row: span 2; width: 56px; border-radius: 4px; box-shadow: var(--shadow-md); }
.product-chip__title { font-family: var(--font-display); font-weight: 700; font-size: 1.125rem; line-height: 1.2; }
@media (min-width: 960px) {
  .feature { border-radius: var(--radius-xl); padding: 56px; column-gap: 48px; row-gap: 28px;
             grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
             grid-template-areas: "media text" "media buy"; align-items: start; }
  .feature__title { font-size: 2.25rem; }
}
.video { position: relative; aspect-ratio: 16 / 9; border-radius: var(--radius-lg); overflow: hidden;
         background: var(--tk-navy-900); }
.video__play { position: absolute; inset: 0; width: 100%; padding: 0; border: 0; cursor: pointer; background: none;
               border-radius: inherit; }
.video__play img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease-swim); }
.video__play::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(11,36,71,0) 55%, rgba(11,36,71,.35)); }
.video__cta {
  position: absolute; z-index: 1; left: 12px; bottom: 12px;
  display: inline-flex; align-items: center; gap: 8px; min-height: 48px; padding: 10px 20px 10px 14px;
  background: var(--tk-white); color: var(--tk-navy-900); border-radius: var(--radius-pill); box-shadow: var(--shadow-md);
  font-family: var(--font-display); font-weight: 700; font-size: 1.0625rem; line-height: 1;
  transition: transform var(--dur-base) var(--ease-swim), background-color var(--dur-fast), color var(--dur-fast);
}
.video__cta .icon { width: 24px; height: 24px; color: var(--tk-blue-600); }
.video__play:hover .video__cta, .video__play:focus-visible .video__cta {
  background: var(--tk-blue-600); color: var(--tk-white); transform: translateX(4px);
}
.video__play:hover .video__cta .icon, .video__play:focus-visible .video__cta .icon { color: var(--tk-white); }
.video__play:hover img { transform: scale(1.02); }
.video__play:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; }
.video__play:active .video__cta { transform: scale(.97); }
.video__frame { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
@media (scripting: none) { .video__cta { display: none; } .video__play { cursor: default; } .shot__motion { display: none; } }
.video-note { display: flex; gap: 8px; align-items: flex-start; font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.45; }
.video-note .icon { width: 18px; height: 18px; margin-top: 2px; color: var(--color-link); }
.video-note a { font-weight: 700; }
.video-meta { font-size: 0.9375rem; font-weight: 600; color: var(--color-text-muted); }
.video-grid { display: grid; gap: var(--gap); }
@media (min-width: 640px) { .video-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 1100px) { .video-grid--4 { grid-template-columns: repeat(4, 1fr); } }
.video-card { display: grid; gap: 12px; align-content: start; }
.video-card .video { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
.video-card__body { display: grid; gap: 2px; }
.video-card__title { font-size: var(--text-h3); line-height: 1.25; }
.video-card__book { font-size: 0.9375rem; color: var(--color-text-muted); }
.video-card__book a { font-weight: 700; }
.video-card .link-ext { font-size: 0.9375rem; min-height: 36px; justify-self: start; }
.note-edu { display: flex; gap: 10px; align-items: flex-start; margin-top: 24px; padding: 14px 16px;
            background: var(--tk-white); border-radius: var(--radius-md); border: 1px solid var(--color-border); max-width: none; }
.note-edu .icon { color: var(--tk-blue-600); margin-top: 2px; }
.book-grid { display: grid; gap: var(--gap); }
.book-card {
  display: grid; grid-template-columns: 112px 1fr; gap: 16px; align-items: start;
  background: var(--tk-white); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm);
  padding: 16px; transition: box-shadow var(--dur-base) var(--ease-swim), transform var(--dur-base) var(--ease-swim);
}
.book-card:hover { box-shadow: var(--shadow-md); }
.book-card__cover { position: relative; display: block; }
.book-card__cover img { width: 100%; aspect-ratio: 555 / 800; object-fit: cover; border-radius: var(--radius-cover); box-shadow: var(--shadow-md); }
.book-card__head { display: grid; gap: 6px; align-content: start; }
.book-card__title { font-size: 1.1875rem; line-height: 1.2; }
.book-card__subtitle { font-size: 0.9375rem; color: var(--color-text-muted); line-height: 1.4; }
.book-card__body { grid-column: 1 / -1; display: grid; gap: 14px; }
.book-card__blurb { font-size: 1rem; }
.book-card__actions { display: grid; gap: 0; }
.book-card__actions .link-arrow { justify-self: start; }
@media (min-width: 640px) {
  .book-card { grid-template-columns: 180px 1fr; grid-template-rows: auto 1fr; padding: 24px; column-gap: 24px; }
  .book-card__cover { grid-row: 1 / 3; }
  .book-card__body { grid-column: 2; }
  .book-card__title { font-size: var(--text-h3); }
}
@media (min-width: 960px) {
  .book-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .book-grid--2 { grid-template-columns: repeat(2, 1fr); }
  .book-grid--3 .book-card, .book-grid--2 .book-card {
    grid-template-columns: 1fr; grid-template-rows: auto auto 1fr; padding: 0 0 24px; overflow: hidden; row-gap: 20px;
  }
  .book-grid--3 .book-card__cover, .book-grid--2 .book-card__cover {
    grid-row: auto; background: linear-gradient(180deg, var(--tk-blue-100), var(--tk-blue-50)); padding: 28px 22% 32px;
  }
  .book-grid--3 .book-card__cover img, .book-grid--2 .book-card__cover img { box-shadow: var(--shadow-lg); }
  .book-grid--3 .book-card__head, .book-grid--3 .book-card__body,
  .book-grid--2 .book-card__head, .book-grid--2 .book-card__body { grid-column: 1; padding-inline: 24px; }
  .book-grid--3 .book-card__body, .book-grid--2 .book-card__body { align-content: start; grid-template-rows: auto auto 1fr; }
  .book-grid--3 .book-card__actions, .book-grid--2 .book-card__actions { align-self: end; }
  .book-card:hover { transform: translateX(4px); }
}
.game-card { display: grid; gap: 0; background: var(--tk-white); border-radius: var(--radius-lg);
             box-shadow: var(--shadow-sm); overflow: hidden; border: 1px solid var(--color-border); }
.game-card__media { background: var(--tk-blue-50); padding: 16px; }
.game-card__body { display: grid; gap: 14px; padding: 20px; align-content: center; }
.game-card__title { font-size: var(--text-h2); }
.game-card__body .btn { justify-self: start; }
@media (min-width: 960px) {
  .game-card { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
  .game-card__media { padding: 32px; display: grid; align-items: center; }
  .game-card__body { padding: 40px; }
}
.device { background: var(--tk-navy-900); padding: 6px; border-radius: 18px; box-shadow: var(--shadow-md); }
.device img { width: 100%; aspect-ratio: 20 / 9; object-fit: cover; border-radius: 12px; }
@media (min-width: 640px) { .device { padding: 8px; border-radius: 22px; } .device img { border-radius: 14px; } }
.about { display: grid; gap: 32px; }
.about__text { display: grid; gap: 16px; align-content: start; }
.about__text p { font-size: 1.125rem; }
.promises { background: var(--tk-white); border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow-sm); }
.promises__title { font-size: var(--text-h3); margin-bottom: 12px; }
.checklist { display: grid; gap: 4px; }
.checklist li { display: grid; grid-template-columns: 28px 1fr; gap: 10px; padding-block: 8px; }
.checklist .icon { width: 24px; height: 24px; color: var(--tk-blue-600); background: var(--tk-blue-50); border-radius: 50%; padding: 4px; }
@media (min-width: 960px) { .about { grid-template-columns: 1fr 1fr; gap: 64px; } .promises { padding: 32px; } }
.site-footer { padding-block: 48px 24px; }
.site-footer__top { display: grid; gap: 32px; }
.site-footer__brand { display: grid; gap: 12px; align-content: start; }
.site-footer .brand { color: var(--tk-white); }
.site-footer .brand__word span { color: var(--tk-cyan-400); }
.site-footer__tagline { color: var(--tk-blue-100); font-size: 1.0625rem; }
.site-footer__cols { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.site-footer__cols ul { list-style: none; padding: 0; margin: 0; }
.site-footer__title { font-size: 1.0625rem; margin-bottom: 4px; color: var(--tk-white); }
.site-footer__cols a { display: inline-block; padding-block: 11px; color: var(--tk-blue-100);
                       text-decoration: none; font-weight: 600; line-height: 1.3; }
.site-footer__cols a .icon { display: inline-block; width: 1em; height: 1em; margin-left: 4px; vertical-align: -0.15em; }
.site-footer__cols li + li a { padding-top: 5px; }
.site-footer__cols a:hover { color: var(--tk-white); text-decoration: underline; }
.site-footer__bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(207,226,255,.2);
                       display: flex; flex-wrap: wrap; gap: 8px 24px; justify-content: space-between;
                       font-size: 0.9375rem; color: var(--tk-blue-100); }
.site-footer__bottom p { display: flex; gap: 8px; align-items: center; max-width: none; }
.site-footer__bottom .icon { color: var(--tk-cyan-400); }
@media (min-width: 640px) { .site-footer__cols { grid-template-columns: repeat(4, 1fr); } }
@media (min-width: 960px) { .site-footer { padding-block: 64px 32px; }
  .site-footer__top { grid-template-columns: 1fr 2.4fr; gap: 48px; } }
.book-hero { display: grid; gap: 24px; padding-block: 16px 48px; }
.book-hero__media { display: grid; justify-items: center; background: var(--tk-blue-50); border-radius: var(--radius-lg); padding: 24px; }
.book-cover { position: relative; width: min(62%, 240px); }
.book-hero__info { display: grid; gap: 16px; align-content: start; }
.book-hero__title { font-size: var(--text-h1); letter-spacing: -0.01em; }
.book-hero__subtitle { font-size: 1.1875rem; color: var(--color-text-muted); line-height: 1.4; }
.facts { display: grid; gap: 10px; padding-block: 4px; }
.facts li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; font-size: 1rem; line-height: 1.45; }
.facts .icon { width: 22px; height: 22px; color: var(--tk-blue-600); margin-top: 1px; }
.buybox { display: grid; gap: 12px; padding: 20px; border-radius: var(--radius-lg); background: var(--tk-white);
          border: 2px solid var(--tk-blue-100); box-shadow: var(--shadow-sm); }
.buybox .price-note { margin-top: 0; }
@media (min-width: 960px) { .buybox { max-width: 560px; } }
@media (min-width: 960px) {
  .book-hero { grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 56px; padding-block: 24px 80px; align-items: start; }
  .book-hero__media { position: sticky; top: 24px; padding: 48px; }
  .book-cover { width: min(100%, 380px); }
  .book-hero__info { gap: 20px; padding-top: 8px; }
}
.book-section { display: grid; gap: 16px; padding-block: 8px 0; }
.book-section + .book-section { margin-top: 40px; }
.book-section__title { font-size: var(--text-h2); }
.synopsis { display: grid; gap: 14px; }
.quote { position: relative; margin-top: 8px; padding: 24px 24px 24px 28px; border-radius: var(--radius-lg);
         background: var(--tk-blue-50); font-family: var(--font-display); font-weight: 700;
         font-size: 1.5rem; line-height: 1.25; color: var(--tk-navy-900); overflow: hidden; }
.quote::before { content: ""; position: absolute; left: 0; top: 18px; bottom: 18px; width: 6px; border-radius: 0 6px 6px 0; background: var(--tk-yellow-400); }
.quote p { max-width: 30ch; }
.buybar { display: none; }
@media (max-width: 639.98px) {
  .page-book { padding-bottom: 84px; }
  .buybar { display: block; position: fixed; z-index: 30; left: 0; right: 0; bottom: 0;
            padding: 8px 12px calc(8px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.97);
            border-top: 1px solid var(--color-border); box-shadow: 0 -8px 20px rgba(11,36,71,.10); }
  .buybar .btn-store { min-height: 56px; }
  html:has(.page-book) { scroll-padding-bottom: 96px; }
}
.game-hero { display: grid; gap: 28px; padding-block: 16px 48px; }
.game-hero__copy { display: grid; gap: 14px; align-content: start; }
.game-hero__title { font-size: var(--text-h1); }
.status-box { display: grid; gap: 12px; padding: 20px; border-radius: var(--radius-lg); background: var(--tk-blue-50); border: 1px solid var(--color-border); }
.status-box__title { font-size: var(--text-h3); display: flex; gap: 10px; align-items: center; }
.status-box__title .icon { color: var(--tk-blue-600); }
.status-box__buttons { display: grid; gap: 8px; }
@media (min-width: 640px) { .status-box__buttons { display: flex; flex-wrap: wrap; } .status-box__buttons .btn { white-space: nowrap; padding-inline: 16px; } }
@media (min-width: 960px) {
  .game-hero { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 56px; padding-block: 24px 80px; align-items: center; }
}
.shots { display: grid; gap: 32px; }
.shot { display: grid; gap: 12px; align-content: start; }
.shot__media { position: relative; }
.shot__motion { position: absolute; inset: 6px; }
.shot__motion > img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; border-radius: 12px; }
.shot__toggle {
  position: absolute; z-index: 1; left: 10px; bottom: 10px; display: inline-flex; align-items: center; gap: 8px;
  min-height: var(--tap); padding: 8px 16px 8px 12px; border-radius: var(--radius-pill);
  background: rgba(11,36,71,.88); color: var(--tk-white); font-weight: 700; font-size: 0.9375rem; cursor: pointer;
  list-style: none; transition: background-color var(--dur-fast);
}
.shot__toggle::-webkit-details-marker { display: none; }
.shot__toggle:hover { background: var(--tk-blue-700); }
.shot__toggle:focus-visible { outline-color: var(--tk-cyan-400); outline-offset: 3px; }
.shot__toggle .icon { width: 18px; height: 18px; }
.shot__toggle > span { display: inline-flex; align-items: center; gap: 8px; }
.shot__motion:not([open]) .shot__label--stop, .shot__motion[open] .shot__label--play { display: none; }
@media (min-width: 640px) { .shot__motion { inset: 8px; } .shot__motion > img { border-radius: 14px; } }
.shot figcaption { font-size: 1rem; }
.shots__note { font-size: 0.9375rem; color: var(--color-text-muted); }
@media (min-width: 960px) {
  .shots { grid-template-columns: 1fr 1fr; gap: 48px 32px; }
  .shot--wide { grid-column: 1 / -1; grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr); align-items: center; gap: 32px; }
  .shot--wide figcaption { font-size: 1.125rem; }
}
.worlds { display: grid; gap: 16px; }
.world { padding: 20px; border-radius: var(--radius-lg); background: var(--tk-white); box-shadow: var(--shadow-sm); display: grid; gap: 6px; align-content: start; }
.world__title { font-size: var(--text-h3); }
@media (min-width: 640px) { .worlds { grid-template-columns: 1fr 1fr; gap: 24px; } .world { padding: 24px; } }
.checklist--2 { gap: 0 32px; }
@media (min-width: 640px) { .checklist--2 { grid-template-columns: 1fr 1fr; } }
.faq { display: grid; gap: 12px; }
.faq__item { padding: 20px; border-radius: var(--radius-lg); background: var(--tk-blue-50); display: grid; gap: 6px; }
.faq__q { font-size: var(--text-h3); }
@media (min-width: 960px) { .faq { grid-template-columns: 1fr 1fr; gap: 24px; } }
.closing { display: grid; gap: 16px; justify-items: start; padding: 28px 24px; border-radius: var(--radius-lg); position: relative; overflow: hidden; }
.closing__mascot { width: 120px; }
.closing__title { font-size: var(--text-h2); }
@media (min-width: 960px) {
  .closing { grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; padding: 40px 56px; border-radius: var(--radius-xl); }
  .closing__mascot { width: 160px; }
}
.prose { display: grid; gap: 16px; padding-block: 16px 64px; max-width: 760px; }
.prose h1 { font-size: var(--text-h1); }
.prose h2 { font-size: var(--text-h3); margin-top: 16px; }
.prose__meta { display: grid; gap: 4px; margin-top: 16px; font-size: 0.9375rem; color: var(--color-text-muted); }
.about__bio { font-size: 1rem; }
.notfound { display: grid; justify-items: center; text-align: center; gap: 16px; padding-block: 64px 96px; }
.notfound__mascot { width: 180px; opacity: .9; }
.notfound__title { font-size: var(--text-h1); max-width: 16ch; }
.notfound__actions { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; margin-top: 8px; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn:hover, .btn:active, .btn-store:hover, .btn-store:active, .brand:hover, .site-nav__link:hover,
  .link-arrow:hover, .link-ext:hover, .book-card:hover, .video__play:hover img { transform: none; }
  .video__play:hover .video__cta, .video__play:focus-visible .video__cta, .video__play:active .video__cta { transform: none; }
  .hero__mascot { animation: none; }
}
@media (forced-colors: active) {
  .btn, .btn-store, .video__cta, .shot__toggle, .nav-toggle { border: 2px solid ButtonText; }
}
@media (max-width: 959.98px) { .feature__trails { display: none; } }