/* Earn2Play landing — tokens from docs/design/README.md (light mode only). */
:root {
  --primary: #1548E0;
  --primary-strong: #1038B0;
  --ink: #0D1C5D;
  --text-secondary: #5B6180;
  --hero-navy-1: #2D4098;
  --hero-navy-2: #1F2C7A;
  --mint-1: #CAFAE0;
  --mint-2: #DDF8EA;
  --movement: #50CA99;
  --movement-ink: #11734D;   /* movement green darkened for text (≥ 4.5:1 on mint) */
  --learning: #2F51C4;
  --gold: #FDB62C;
  --points-pill: #FFF0D4;
  --points-chip-bg: #FEEFD2;
  --points-chip-ink: #B94610;
  --orange: #F57C1F;          /* wordmark / decoration only: < 4.5:1 for body text */
  --purple: #7B6CF6;
  --tint-learning: #F4F6FE;
  --tint-movement: #ECFCF3;
  --tint-tasks: #FFF8F0;
  --bg: #FEFCF9;
  --bg-alt: #FAFAFC;
  --surface: #FFFFFF;
  --success: #22B07D;
  --border: #E6E8F2;

  --font-heading: "Lexend", ui-rounded, "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  --font-body: "Nunito", ui-rounded, "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;

  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 28px;
  --shadow: 0 1px 2px rgba(13, 28, 93, .06), 0 8px 24px rgba(13, 28, 93, .08);
  --container: 1120px;
  --gutter: 16px;
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3, h4 { font-family: var(--font-heading); color: var(--ink); line-height: 1.2; margin: 0 0 .5em; font-weight: 700; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); }
h2 { font-size: clamp(1.6rem, 3.2vw, 2.3rem); }
h3 { font-size: 1.2rem; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--primary); text-underline-offset: 3px; }
a:hover { color: var(--primary-strong); }
:focus-visible { outline: 3px solid var(--primary); outline-offset: 3px; border-radius: 6px; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
@media (min-width: 720px) { :root { --gutter: 24px; } }

.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px; z-index: 10; }
.skip-link:focus { left: 8px; color: #fff; }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- wordmark ---------- */
.wordmark { font-family: var(--font-heading); font-weight: 700; letter-spacing: -.02em; text-decoration: none; white-space: nowrap; }
.wordmark .w-earn { color: var(--ink); }
.wordmark .w-2 { color: var(--orange); }
.wordmark .w-play { color: var(--primary); }

/* ---------- header ---------- */
.site-header { position: sticky; top: 0; z-index: 5; background: rgba(254, 252, 249, .92); backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--border); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 64px; }
.site-header .wordmark { font-size: 1.6rem; }
.nav { display: flex; gap: 4px; align-items: center; }
.nav a { color: var(--ink); text-decoration: none; font-weight: 600; padding: 8px 12px; border-radius: 999px; }
.nav a:hover { background: var(--tint-learning); color: var(--primary-strong); }
.nav .nav-optional { display: none; }
@media (min-width: 760px) { .nav .nav-optional { display: inline-block; } }

/* ---------- buttons ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 48px; padding: 12px 22px; border-radius: 999px; font-family: var(--font-heading); font-weight: 600; font-size: 1rem; text-decoration: none; border: 2px solid transparent; }
.btn-primary { background: var(--primary-strong); color: #fff; }
.btn-primary:hover { background: var(--ink); color: #fff; }
.btn-ghost { background: var(--surface); color: var(--ink); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary-strong); }

/* ---------- hero ---------- */
.hero { padding: 48px 0 56px; background: radial-gradient(1200px 500px at 85% -10%, var(--tint-learning), transparent 60%), radial-gradient(800px 400px at -10% 110%, var(--tint-tasks), transparent 60%); }
.hero .container { display: grid; gap: 40px; align-items: center; }
@media (min-width: 900px) { .hero { padding: 80px 0 88px; } .hero .container { grid-template-columns: 1.1fr .9fr; } }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; background: var(--points-pill); color: var(--points-chip-ink); font-weight: 700; font-size: .9rem; padding: 6px 14px; border-radius: 999px; margin-bottom: 18px; }
.hero h1 .wordmark { display: inline; }
.lead { font-size: 1.2rem; color: var(--text-secondary); max-width: 34em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin: 28px 0 0; }

.store-badges { display: flex; flex-wrap: wrap; gap: 12px; margin: 0; padding: 0; list-style: none; }
.store-badge { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 8px 18px; border-radius: 14px; background: var(--ink); color: #fff; font-family: var(--font-heading); line-height: 1.15; }
.store-badge small { display: block; font-size: .72rem; font-weight: 400; opacity: .85; }
.store-badge strong { display: block; font-size: 1.05rem; font-weight: 600; }
.store-badge svg { flex: none; }
.store-note { color: var(--text-secondary); font-size: .92rem; margin-top: 10px; }

/* decorative "app" preview built in CSS */
.preview { position: relative; display: grid; gap: 14px; max-width: 420px; margin: 0 auto; width: 100%; }
.preview-logo { width: 132px; height: 132px; border-radius: 32px; background: #fff; box-shadow: var(--shadow); overflow: hidden; position: absolute; right: -6px; top: -36px; transform: rotate(6deg); }
.mission { background: linear-gradient(135deg, var(--hero-navy-1), var(--hero-navy-2)); color: #fff; border-radius: var(--radius-lg); padding: 24px; box-shadow: var(--shadow); }
.mission .label { opacity: .85; font-size: .95rem; }
.mission .title { font-family: var(--font-heading); font-weight: 700; font-size: 1.6rem; margin: 4px 0 2px; }
.mission .meta { opacity: .85; font-size: .95rem; margin-bottom: 16px; }
.mission .pill { display: inline-block; background: #fff; color: var(--ink); font-family: var(--font-heading); font-weight: 600; padding: 10px 18px; border-radius: 999px; }
.move { background: linear-gradient(135deg, var(--mint-1), var(--mint-2)); border-radius: var(--radius-lg); padding: 20px 24px; box-shadow: var(--shadow); }
.move .label { color: var(--movement-ink); font-weight: 700; font-size: .95rem; }
.move .title { font-family: var(--font-heading); font-weight: 700; font-size: 1.35rem; color: var(--ink); }
.task-row { display: flex; align-items: center; gap: 12px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px; box-shadow: var(--shadow); }
.task-icon { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; color: #fff; font-weight: 700; flex: none; }
.task-row .name { font-weight: 700; flex: 1; }
.chip { background: var(--points-chip-bg); color: var(--points-chip-ink); font-weight: 800; border-radius: 999px; padding: 4px 12px; font-size: .95rem; white-space: nowrap; }

/* ---------- sections ---------- */
section { scroll-margin-top: 72px; }
.section { padding: 64px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-head { max-width: 680px; margin-bottom: 36px; }
.section-head p { color: var(--text-secondary); font-size: 1.1rem; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 16px; counter-reset: step; }
@media (min-width: 640px) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .steps { grid-template-columns: repeat(4, 1fr); } }
.step { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; position: relative; }
.step::before { counter-increment: step; content: counter(step); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--ink); color: #fff; font-family: var(--font-heading); font-weight: 700; margin-bottom: 14px; }
.step p { color: var(--text-secondary); margin: 0; }
.step.t-learning { background: var(--tint-learning); }
.step.t-movement { background: var(--tint-movement); }
.step.t-tasks { background: var(--tint-tasks); }

.cards { display: grid; gap: 16px; }
@media (min-width: 720px) { .cards { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1000px) { .cards.three { grid-template-columns: repeat(3, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }
.card p { color: var(--text-secondary); margin: 0; }
.card .icon { width: 44px; height: 44px; border-radius: 14px; display: grid; place-items: center; margin-bottom: 14px; }
.icon.i-blue { background: var(--tint-learning); color: var(--primary); }
.icon.i-green { background: var(--tint-movement); color: var(--movement-ink); }
.icon.i-orange { background: var(--tint-tasks); color: var(--points-chip-ink); }
.icon.i-purple { background: #F1EFFE; color: #5546D6; }

.split { display: grid; gap: 32px; align-items: center; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; } }
.checklist { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist li::before { content: ""; flex: none; width: 24px; height: 24px; margin-top: 2px; border-radius: 50%; background: var(--success) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 12l4 4 8-8'/%3E%3C/svg%3E") center / 16px no-repeat; }

.kid-panel { background: linear-gradient(135deg, var(--hero-navy-1), var(--hero-navy-2)); color: #fff; border-radius: var(--radius-lg); padding: 32px; }
.kid-panel h2, .kid-panel h3 { color: #fff; }
.kid-panel p { color: #E4E8FF; }
.age-groups { display: grid; gap: 12px; margin-top: 20px; }
@media (min-width: 640px) { .age-groups { grid-template-columns: repeat(3, 1fr); } }
.age { background: rgba(255, 255, 255, .1); border: 1px solid rgba(255, 255, 255, .2); border-radius: var(--radius-sm); padding: 16px; }
.age strong { font-family: var(--font-heading); display: block; font-size: 1.1rem; }
.age span { color: #E4E8FF; font-size: .95rem; }

/* FAQ */
.faq { display: grid; gap: 12px; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 0 20px; }
.faq summary { cursor: pointer; list-style: none; font-family: var(--font-heading); font-weight: 600; padding: 18px 32px 18px 0; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 50%; transform: translateY(-50%); font-size: 1.5rem; color: var(--primary); }
.faq details[open] summary::after { content: "\2212"; }
.faq details > div { padding-bottom: 18px; color: var(--text-secondary); }
.faq details > div p:last-child { margin: 0; }

.cta-band { text-align: center; }
.cta-band .store-badges { justify-content: center; }

/* ---------- footer ---------- */
.site-footer { background: var(--ink); color: #D8DDF5; padding: 48px 0 32px; }
.site-footer a { color: #fff; }
.site-footer .wordmark { font-size: 1.5rem; }
.site-footer .wordmark .w-earn { color: #fff; }
.site-footer .wordmark .w-play { color: #8FB0FF; }
.footer-grid { display: grid; gap: 24px; }
@media (min-width: 720px) { .footer-grid { grid-template-columns: 2fr 1fr 1fr; } }
.footer-grid h2 { color: #fff; font-size: 1rem; margin-bottom: 10px; }
.footer-grid ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, .15); margin-top: 32px; padding-top: 20px; font-size: .92rem; }

/* ---------- legal pages ---------- */
.draft-banner { background: #FFF4E5; border-bottom: 3px solid var(--points-chip-ink); color: #6B2A07; }
.draft-banner .container { padding-top: 14px; padding-bottom: 14px; font-weight: 700; }
.legal { padding: 48px 0 72px; }
.legal article { max-width: 760px; }
.legal h1 { font-size: clamp(1.9rem, 4vw, 2.6rem); }
.legal h2 { font-size: 1.4rem; margin-top: 2em; }
.legal h3 { margin-top: 1.4em; }
.legal .meta { color: var(--text-secondary); }
.legal ul { padding-left: 1.3em; }
.legal li { margin-bottom: .4em; }
.legal table { width: 100%; border-collapse: collapse; margin: 1em 0 1.5em; font-size: .97rem; display: block; overflow-x: auto; }
.legal th, .legal td { text-align: left; vertical-align: top; padding: 10px 12px; border-bottom: 1px solid var(--border); }
.legal th { font-family: var(--font-heading); font-weight: 600; background: var(--bg-alt); }
.callout { background: var(--tint-learning); border-left: 4px solid var(--primary); border-radius: 8px; padding: 14px 18px; margin: 1em 0 1.5em; }
.callout p:last-child { margin: 0; }
.toc { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 16px 20px; margin: 1.5em 0; }
.toc ol { margin: 0; padding-left: 1.3em; columns: 2 220px; }

/* 404 */
.notfound { min-height: 60vh; display: grid; place-items: center; text-align: center; padding: 64px 0; }

/* ---------- small helpers ---------- */
.bg-purple { background: var(--purple); }
.bg-orange { background: var(--orange); }
.parents-list { margin-top: 32px; max-width: 760px; }
.kid-cards { margin-top: 16px; }
.lead-center { margin-left: auto; margin-right: auto; }
.cta-band .store-badges { margin-top: 24px; }