@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 400; font-display: swap; src: url('fonts/poppins-400.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 500; font-display: swap; src: url('fonts/poppins-500.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 600; font-display: swap; src: url('fonts/poppins-600.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 700; font-display: swap; src: url('fonts/poppins-700.woff2') format('woff2'); }
@font-face { font-family: 'Poppins'; font-style: normal; font-weight: 800; font-display: swap; src: url('fonts/poppins-800.woff2') format('woff2'); }
/* Ciorium learning hub. Master brand: Deep Space navy, orbit + star motifs, Poppins.
   Each series adds its own device and accent (Road Trip = road sign green + route orange). */
:root {
  --space: #102A56; --space-2: #0A1D3F; --sky: #1687D9; --teal: #28AEB8;
  --sun: #FFC44D; --orange: #FF7A3D; --purple: #7953B8;
  --paper: #F6F8FC; --card: #FFFFFF; --ink: #14213D; --muted: #5A6785; --line: #DCE3EE; --soft: #EEF3FA;
  /* legacy names used by the activity pages */
  --sign: var(--space); --sign-ink: #FFFFFF; --route: var(--orange); --amber: var(--sun); --amber-ink: #2A1F05;
  --series: var(--space); --series-ink: #fff;
  --font-display: "Poppins", "Segoe UI", system-ui, sans-serif;
  --font-body: "Poppins", "Segoe UI", system-ui, -apple-system, sans-serif;
  --font-mono: "Poppins", "Segoe UI", system-ui, sans-serif;
  --radius: 18px; --wrap: 1160px;
  --shadow: 0 1px 2px rgb(16 42 86 / .06), 0 8px 24px rgb(16 42 86 / .08);
}
.series-roadtrip { --series: #0E6A49; --series-ink: #F6FBF8; --sign: #0E6A49; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--font-body); font-size: 16.5px; line-height: 1.65; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--sky); outline-offset: 3px; border-radius: 8px; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding-left: max(18px, env(safe-area-inset-left, 0px)); padding-right: max(18px, env(safe-area-inset-right, 0px)); }
h1, h2, h3 { text-wrap: balance; line-height: 1.15; margin: 0; color: var(--space); font-family: var(--font-display); }
h1 { font-size: clamp(2rem, 4.6vw, 3.25rem); font-weight: 800; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.45rem, 2.8vw, 2.1rem); font-weight: 800; letter-spacing: -0.015em; }
h3 { font-size: 1.1rem; font-weight: 700; }
p { margin: 0; }
.prose { max-width: 62ch; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.label { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sky); }

/* Header */
.site-header { background: rgb(255 255 255 / .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 10px; }
.brand { display: inline-flex; flex-direction: column; align-items: flex-start; text-decoration: none; line-height: 1; }
.brand img { height: 44px; width: auto; }
.brand small { font-size: 0.56rem; font-weight: 700; letter-spacing: 0.16em; color: var(--space); margin-top: 1px; padding-left: 4px; }
.nav { display: flex; align-items: center; gap: 6px; font-weight: 600; font-size: 0.95rem; }
.nav a { text-decoration: none; color: var(--ink); padding: 8px 12px; border-radius: 10px; }
.nav a:hover { background: var(--soft); }
.nav .soon-chip { font-size: 0.62rem; font-weight: 700; background: var(--soft); color: var(--muted); border-radius: 99px; padding: 2px 7px; margin-left: 4px; vertical-align: 2px; }
.nav a.nav-cta { background: var(--space); color: #fff; padding: 9px 16px; border-radius: 99px; margin-left: 6px; }
.nav a.nav-cta:hover { background: var(--sky); }
.menu { display: none; }
@media (max-width: 860px) {
  .nav { display: none; }
  .menu { display: block; position: relative; }
  .menu summary { list-style: none; cursor: pointer; display: inline-flex; align-items: center; gap: 8px; font-weight: 700; color: var(--space); border: 2px solid var(--line); border-radius: 99px; padding: 6px 14px; }
  .menu summary::-webkit-details-marker { display: none; }
  .menu[open] .nav { display: flex; flex-direction: column; align-items: stretch; position: absolute; right: 0; top: calc(100% + 10px); background: #fff; border: 1px solid var(--line); border-radius: 16px; padding: 8px; box-shadow: var(--shadow); min-width: 240px; }
  .menu[open] .nav a.nav-cta { margin: 6px 0 0; text-align: center; }
  .brand img { height: 34px; }
}

/* Buttons */
.btn { display: inline-flex; align-items: center; gap: 8px; justify-content: center; font-family: var(--font-body); font-weight: 700; font-size: 0.98rem; padding: 12px 22px; border-radius: 99px; text-decoration: none; border: 2px solid transparent; cursor: pointer; line-height: 1.2; }
.btn-buy { background: var(--sun); color: var(--space); }
.btn-buy:hover { filter: brightness(1.04); box-shadow: 0 6px 16px rgb(255 196 77 / .45); }
.btn-ghost { border-color: var(--line); background: #fff; color: var(--space); }
.btn-ghost:hover { border-color: var(--space); }
.btn[aria-disabled="true"] { background: var(--soft); color: var(--muted); cursor: default; box-shadow: none; }
.btn-light { border-color: rgb(255 255 255 / .45); color: #fff; background: transparent; }
.btn-light:hover { border-color: #fff; }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

section { padding-block: 34px; }
.section-head { display: grid; gap: 8px; margin-bottom: 24px; }

/* ---------- Home: hub hero ---------- */
.hero { background: radial-gradient(1200px 500px at 85% 10%, #1B3D78 0%, transparent 60%), var(--space); color: #fff; position: relative; overflow: hidden; }
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .9;
  background-image: radial-gradient(2px 2px at 8% 20%, #fff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 22% 70%, #fff 50%, transparent 51%), radial-gradient(2px 2px at 40% 12%, #FFC44D 50%, transparent 51%), radial-gradient(1.5px 1.5px at 55% 85%, #fff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 68% 30%, #fff 50%, transparent 51%), radial-gradient(2px 2px at 92% 60%, #fff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 33% 45%, #9fd3ff 50%, transparent 51%), radial-gradient(1.5px 1.5px at 78% 92%, #fff 50%, transparent 51%); }
.hero .wrap { position: relative; display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 40px; align-items: center; padding-block: clamp(40px, 7vw, 84px); }
.hero h1 { color: #fff; font-size: clamp(2.3rem, 5.4vw, 3.9rem); }
.hero h1 em { font-style: normal; color: var(--sun); }
.hero p.lead { font-size: 1.15rem; color: #D6E2F5; max-width: 50ch; margin-top: 16px; }
.hero .actions { margin-top: 26px; }
.hero-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 26px; }
.hero-tags span { font-size: 0.8rem; font-weight: 600; color: #fff; background: rgb(255 255 255 / .1); border: 1px solid rgb(255 255 255 / .18); border-radius: 99px; padding: 5px 12px; }
.hero-art { position: relative; justify-self: center; width: min(100%, 420px); aspect-ratio: 1; }
.hero-art .orbit { position: absolute; inset: -4%; }
.hero-art .disc { position: absolute; inset: 9%; border-radius: 50%; overflow: hidden; background: #1B3D78; box-shadow: 0 20px 60px rgb(0 0 0 / .35), 0 0 0 8px rgb(255 255 255 / .08); }
.hero-art .disc img { width: 100%; height: 100%; object-fit: cover; object-position: 50% 30%; }
.hero-art .bubble { position: absolute; left: -6%; bottom: 10%; background: #fff; color: var(--space); font-weight: 700; font-size: 0.9rem; border-radius: 16px 16px 16px 4px; padding: 10px 14px; box-shadow: var(--shadow); max-width: 220px; line-height: 1.35; }

/* Topic grid */
.topics { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.topic { --c: var(--sky); position: relative; display: grid; gap: 10px; align-content: start; text-decoration: none; background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid var(--line); border-top: 6px solid var(--c); }
a.topic:hover { transform: translateY(-2px); transition: transform .15s; }
.topic-icon { width: 54px; height: 54px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in srgb, var(--c) 14%, #fff); color: var(--c); }
.topic-icon svg { width: 30px; height: 30px; }
.topic h3 { font-size: 1.2rem; }
.topic .status { justify-self: start; font-size: 0.72rem; font-weight: 700; border-radius: 99px; padding: 3px 10px; background: var(--soft); color: var(--muted); }
.topic .status.live { background: color-mix(in srgb, var(--c) 16%, #fff); color: color-mix(in srgb, var(--c) 70%, #000); }

/* Ways to learn */
.ways { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
.way { background: var(--card); border-radius: var(--radius); padding: 24px; border: 1px solid var(--line); display: grid; gap: 10px; align-content: start; }
.way .num { font-size: 2.2rem; font-weight: 800; color: var(--sun); line-height: 1; }
.way .tags { display: flex; flex-wrap: wrap; gap: 6px; }
.way .tags span { font-size: 0.72rem; font-weight: 800; border-radius: 6px; padding: 3px 8px; color: #fff; }

/* Featured series */
.series-feature { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); border-radius: 24px; overflow: hidden; background: var(--card); box-shadow: var(--shadow); border: 1px solid var(--line); text-decoration: none; }
.series-feature .sf-art { background: #0E6A49; position: relative; display: grid; place-items: center; padding: 28px; }
.series-feature .sf-art::after { content: ""; position: absolute; left: 0; right: 0; bottom: 18px; height: 4px; background: repeating-linear-gradient(90deg, var(--orange) 0 26px, transparent 26px 44px); }
.series-feature .sf-art img { width: min(100%, 260px); border-radius: 10px; box-shadow: 0 16px 40px rgb(0 0 0 / .35); transform: rotate(-3deg); }
.series-feature .sf-body { padding: clamp(22px, 4vw, 40px); display: grid; gap: 14px; align-content: center; }
.road-sign { justify-self: start; background: #0E6A49; color: #fff; border-radius: 10px; padding: 4px; }
.road-sign span { display: block; border: 2px solid #fff; border-radius: 7px; padding: 4px 12px; font-weight: 800; font-size: 0.8rem; letter-spacing: .06em; text-transform: uppercase; }
.pill-row { display: flex; flex-wrap: wrap; gap: 8px; }
.pill-row span { font-size: 0.8rem; font-weight: 600; border: 1px solid var(--line); border-radius: 99px; padding: 4px 12px; color: var(--muted); }
.go { font-weight: 700; color: var(--sky); text-decoration: none; }

/* Meet */
.meet { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.meet-card { margin: 0; display: grid; grid-template-columns: 150px minmax(0, 1fr); gap: 20px; align-items: center; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow); }
.meet-card img { width: 150px; height: 150px; object-fit: cover; object-position: 50% 18%; border-radius: 50%; border: 5px solid var(--soft); }
.meet-card figcaption { display: grid; gap: 6px; min-width: 0; }
.meet-card .role { font-size: 0.75rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--orange); }
.meet-card blockquote { margin: 4px 0 0; font-weight: 600; color: var(--space); border-left: 4px solid var(--sun); padding-left: 10px; }

/* Trust */
.trust { background: var(--space); color: #D6E2F5; border-radius: 28px; padding: clamp(26px, 5vw, 48px); display: grid; gap: 26px; }
.trust h2 { color: #fff; }
.trust-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 20px; }
.trust-item { display: grid; gap: 6px; align-content: start; }
.trust-item b { color: #fff; font-size: 1.02rem; }
.trust-item .ti { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; background: rgb(255 255 255 / .1); color: var(--sun); }
.trust-item .ti svg { width: 22px; height: 22px; }

/* Page banner (inner pages) */
.page-banner { background: var(--space); color: #fff; }
.page-banner .wrap { padding-block: 40px; display: grid; gap: 10px; }
.page-banner h1 { color: #fff; }
.page-banner p { color: #D6E2F5; max-width: 62ch; }
.page-banner .label { color: var(--sun); }
.series-roadtrip .page-banner { background: var(--series); position: relative; }
.series-roadtrip .page-banner::after { content: ""; position: absolute; left: 0; right: 0; bottom: 0; height: 6px; background: repeating-linear-gradient(90deg, var(--orange) 0 30px, transparent 30px 50px); }
.crumbs { font-size: 0.88rem; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px; }
.crumbs a { color: var(--muted); }
.page-banner .crumbs, .page-banner .crumbs a { color: #cfe0f5; }

/* Series list / book grid */
.series-list { display: grid; gap: 20px; }
.series-card { display: grid; grid-template-columns: minmax(0, 200px) minmax(0, 1fr); gap: 24px; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; text-decoration: none; align-items: center; box-shadow: var(--shadow); }
.series-card.soon { box-shadow: none; border-style: dashed; background: transparent; }
.series-card .covers img { width: 160px; border-radius: 8px; box-shadow: 0 8px 20px rgb(0 0 0 / .18); }
.series-card .ph { width: 160px; aspect-ratio: 85/110; border-radius: 8px; display: grid; place-items: center; background: var(--soft); color: var(--muted); font-weight: 700; font-size: .85rem; text-align: center; padding: 10px; }
.series-meta { display: grid; gap: 8px; }
.book-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 22px; }
.book-tile { display: grid; gap: 10px; text-decoration: none; background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; align-content: start; box-shadow: var(--shadow); }
.book-tile img { border-radius: 8px; width: 100%; }
.book-tile.soon { border-style: dashed; place-items: center; text-align: center; min-height: 220px; color: var(--muted); box-shadow: none; background: transparent; }
.state-chip { font-weight: 800; font-size: 0.75rem; background: var(--series); color: var(--series-ink); border-radius: 6px; padding: 2px 9px; justify-self: start; letter-spacing: .05em; }

/* Book (state) page */
.book-hero { display: grid; grid-template-columns: minmax(0, 300px) minmax(0, 1fr); gap: 36px; align-items: start; padding-block: 32px 12px; }
.book-hero .cover { border-radius: 10px; box-shadow: 0 18px 40px rgb(16 42 86 / .25); width: 100%; height: auto; }
.book-info { display: grid; gap: 16px; }
.facts-row { display: flex; flex-wrap: wrap; gap: 8px; font-size: 0.82rem; }
.facts-row span { border: 1px solid var(--line); background: #fff; border-radius: 99px; padding: 4px 12px; color: var(--muted); font-weight: 600; }

.shield { width: 56px; height: 62px; display: block; }
.shield path { fill: var(--card); stroke: var(--series); stroke-width: 4; }
.shield text { fill: var(--series); font-family: var(--font-body); font-weight: 800; }

/* Adventure page */
.page-view { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr); gap: 36px; padding-block: 28px; align-items: start; }
.colour-image { border-radius: 18px; box-shadow: 0 18px 40px rgb(16 42 86 / .22); width: 100%; height: auto; }
.page-text { display: grid; gap: 20px; min-width: 0; }
.fact-sign { background: var(--sun); color: var(--space); border-radius: 18px; padding: 4px; }
.fact-sign-inner { border: 2px dashed rgb(16 42 86 / .35); border-radius: 14px; padding: 16px 18px; display: grid; gap: 6px; }
.fact-sign .label { color: var(--space); }
.fact-sign p { font-size: 1.12rem; font-weight: 700; }
.answers { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); padding: 4px 18px; }
.answers summary { cursor: pointer; font-weight: 700; padding-block: 12px; color: var(--space); }
.answers dl { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px 18px; margin: 0 0 16px; }
.answers dt { color: var(--muted); }
.answers dd { margin: 0; font-weight: 700; text-align: right; }
.page-nav { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding-block: 8px 28px; }
.qr-note { display: flex; gap: 14px; align-items: center; color: var(--muted); font-size: 0.9rem; }
.qr-note svg { width: 84px; height: 84px; background: #fff; padding: 4px; border-radius: 8px; flex: none; }

/* Footer */
.site-footer { background: var(--space-2); color: #B8C7E0; margin-top: 56px; }
.site-footer .wrap { padding-block: 44px 28px; display: grid; gap: 30px; }
.foot-top { display: grid; grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: 28px; }
.foot-brand img { height: 42px; width: auto; }
.foot-brand p { margin-top: 10px; max-width: 34ch; }
.foot-brand .tag { color: var(--sun); font-weight: 700; margin-top: 4px; }
.foot-col { display: grid; gap: 8px; align-content: start; font-size: 0.92rem; }
.foot-col b { color: #fff; font-size: 0.8rem; letter-spacing: .12em; text-transform: uppercase; }
.foot-col a { text-decoration: none; }
.foot-col a:hover { color: #fff; }
.foot-bottom { border-top: 1px solid rgb(255 255 255 / .12); padding-top: 18px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; font-size: 0.85rem; }

.sample-flag { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--orange); border: 1px solid var(--orange); border-radius: 4px; padding: 1px 6px; justify-self: start; }

@media (max-width: 900px) {
  .hero .wrap, .series-feature, .book-hero, .page-view, .series-card { grid-template-columns: minmax(0, 1fr); }
  .topics, .ways { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .trust-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .foot-top { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .hero-art { width: min(80%, 320px); }
  .book-hero .cover { max-width: 260px; }
}
@media (max-width: 560px) {
  .topics, .ways, .meet, .trust-grid { grid-template-columns: minmax(0, 1fr); }
  .meet-card { grid-template-columns: 96px minmax(0, 1fr); }
  .meet-card img { width: 96px; height: 96px; }
  .foot-brand { grid-column: 1 / -1; }
}

/* ---------- Stage 1: activities, stamps, badges, passport ---------- */
.wrap.narrow { max-width: 720px; }
.btn-danger { background: var(--route); color: var(--sign-ink); }
.btn:disabled { opacity: 0.5; cursor: default; }
.form-msg { min-height: 1.4em; font-weight: 700; color: var(--route); }

.unlock-form { display: grid; gap: 8px; }
.unlock-form label { font-weight: 800; }
.unlock-row { display: flex; gap: 10px; flex-wrap: wrap; }
.unlock-row input {
  flex: 1 1 200px; min-width: 0; font: 700 1.1rem var(--font-mono); letter-spacing: 0.08em;
  padding: 12px 14px; border-radius: 10px; border: 2px solid var(--line);
  background: var(--card); color: var(--ink); text-transform: uppercase;
}
.unlock-row input:focus-visible { outline: 3px solid var(--route); outline-offset: 2px; border-color: var(--route); }

.activities { padding-block: 12px 28px; border-top: 1px solid var(--line); }
.lock-panel {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px; align-items: center;
  background: var(--card); border: 2px dashed var(--line); border-radius: var(--radius); padding: 24px;
}
.lock-copy { display: grid; gap: 8px; }
.act-count { margin-bottom: 14px; font-family: var(--font-mono); font-size: 0.9rem; }
.act-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.act-side { display: grid; gap: 20px; min-width: 0; }
.act {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; display: grid; gap: 12px; min-width: 0;
}
.act.is-done { border-color: var(--sign); }
.act-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.act-status {
  font-family: var(--font-mono); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 2px 8px; border-radius: 4px; border: 1px solid var(--line); color: var(--muted);
}
.act.is-done .act-status { background: var(--sign); border-color: var(--sign); color: var(--sign-ink); }

.palette { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch {
  width: 36px; height: 36px; border-radius: 50%; background: var(--sw); cursor: pointer;
  border: 2px solid var(--line); box-shadow: inset 0 0 0 2px var(--card);
}
.swatch.eraser { background: repeating-linear-gradient(45deg, #ffffff 0 5px, #e3e7e5 5px 10px); }
.swatch[aria-pressed="true"] { border-color: var(--ink); transform: scale(1.12); }
#colour-canvas {
  width: 100%; height: auto; aspect-ratio: 2 / 3; max-width: 100%; border-radius: 10px;
  border: 1px solid var(--line); background: #ffffff; cursor: crosshair; touch-action: manipulation;
}

.choices { display: grid; gap: 8px; }
.choice {
  font: 800 1rem var(--font-body); text-align: left; padding: 12px 14px; border-radius: 10px; cursor: pointer;
  border: 2px solid var(--line); background: var(--paper); color: var(--ink);
}
.choice:hover:not(:disabled) { border-color: var(--muted); }
.choice.right { border-color: var(--sign); background: var(--sign); color: var(--sign-ink); }
.choice.wrong { text-decoration: line-through; opacity: 0.55; }

.slots, .tiles { display: flex; flex-wrap: wrap; gap: 6px; }
.slot, .tile {
  width: 42px; height: 48px; display: grid; place-items: center; border-radius: 8px;
  font: 800 1.25rem var(--font-display); cursor: pointer;
}
.slot { border: 2px dashed var(--line); background: var(--paper); color: var(--ink); }
.slot:disabled { cursor: default; }
.slots.solved .slot { border-style: solid; border-color: var(--sign); background: var(--sign); color: var(--sign-ink); }
.tile { border: 2px solid var(--ink); background: var(--amber); color: var(--amber-ink); }
.tile:disabled { visibility: hidden; }

.reward {
  margin-top: 20px; display: flex; flex-wrap: wrap; gap: 20px; align-items: center;
  background: var(--card); border: 2px solid var(--sign); border-radius: var(--radius); padding: 20px;
}
.reward-text { display: grid; gap: 8px; flex: 1 1 260px; min-width: 0; justify-items: start; }
.reward-stamp, .reward-badge { width: 120px; flex: none; }
.pop { animation: pop 600ms cubic-bezier(.2, 1.6, .4, 1) both; }
@keyframes pop { from { transform: scale(0.3) rotate(-25deg); opacity: 0; } to { transform: scale(1) rotate(0); opacity: 1; } }

/* Passport stamp (rubber-stamp ink) */
.stamp-svg { display: block; width: 100%; height: auto; transform: rotate(-8deg); }
.stamp-svg .ring { fill: none; stroke: var(--line); stroke-width: 4; stroke-dasharray: 6 5; }
.stamp-svg .ring.thin { stroke-width: 2; stroke-dasharray: none; }
.stamp-svg text { fill: var(--line); font-family: var(--font-display); }
.stamp-svg .st-abbr { font-size: 22px; }
.stamp-svg .st-num { font-size: 26px; }
.stamp-svg .st-small { font-family: var(--font-mono); font-size: 10px; letter-spacing: 2px; }
.stamp-svg.earned .ring { stroke: var(--route); stroke-dasharray: none; }
.stamp-svg.earned text { fill: var(--route); }

/* Explorer badge (route shield) */
.badge-svg { display: block; width: 100%; height: auto; }
.badge-svg .b-shield { fill: var(--line); }
.badge-svg .b-inner { fill: none; stroke: var(--card); stroke-width: 3; }
.badge-svg text { fill: var(--card); font-family: var(--font-display); }
.badge-svg .b-abbr { font-size: 38px; }
.badge-svg .b-word { font-size: 13px; letter-spacing: 1px; }
.badge-svg.earned .b-shield { fill: var(--sign); }
.badge-svg.earned .b-inner { stroke: var(--amber); }
.badge-svg.earned text { fill: var(--sign-ink); }
.badge-svg.earned .b-word { fill: var(--amber); }

/* Book page progress */
.trip-progress {
  display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 20px; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; margin-block: 8px 12px;
}
.bar-body { display: grid; gap: 10px; min-width: 0; }
.bar { height: 12px; border-radius: 6px; background: var(--paper); border: 1px solid var(--line); overflow: hidden; }
.bar-fill { height: 100%; width: 0; background: var(--sign); border-radius: 6px; }
.stop-marks { display: grid; gap: 8px; justify-items: center; }
.stop-stamp { width: 60px; }

/* Unlock page */
.unlock-ok { display: flex; gap: 20px; align-items: flex-start; flex-wrap: wrap; }
.unlock-ok > div { display: grid; gap: 12px; flex: 1 1 280px; min-width: 0; }
.shield.big { width: 80px; height: 88px; }

/* Passport */
.passport-total { font-family: var(--font-mono); font-weight: 700; color: var(--route); }
.passport-books { display: grid; gap: 24px; }
.passport-book { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; display: grid; gap: 20px; }
.pb-head { display: flex; gap: 20px; align-items: center; flex-wrap: wrap; }
.pb-head .badge-svg { width: 110px; flex: none; }
.pb-meta { display: grid; gap: 6px; flex: 1 1 220px; min-width: 0; justify-items: start; }
.stamp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 14px; }
.stamp-cell { display: grid; gap: 6px; justify-items: center; text-align: center; text-decoration: none; font-size: 0.82rem; color: var(--muted); }
.stamp-cell .stamp-svg { width: 92px; }
.reset-box { display: grid; gap: 12px; justify-items: start; }
.reset-confirm { display: grid; gap: 12px; background: var(--card); border: 2px solid var(--route); border-radius: var(--radius); padding: 18px; }
.page-foot { display: grid; gap: 18px; padding-block: 8px; }

@media (max-width: 760px) {
  .lock-panel, .act-grid { grid-template-columns: minmax(0, 1fr); }
  .trip-progress { grid-template-columns: 72px minmax(0, 1fr); }
  .stop-marks { grid-row: span 2; }
  .stop-stamp { width: 44px; }
}


/* ---------- Real-book layout: adventures, Amazing Facts, explorers ---------- */
.small { font-size: 0.85rem; }

.adv-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 18px; }
.adv {
  display: grid; gap: 10px; text-decoration: none; background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow);
  border-radius: var(--radius); padding: 10px; align-content: start;
}
a.adv:hover { border-color: var(--muted); }
.adv-pic { position: relative; }
.adv-pic img { width: 100%; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 9px; display: block; }
.adv-shield { position: absolute; top: 8px; left: 8px; width: 40px; height: 44px; filter: drop-shadow(0 2px 3px rgb(0 0 0 / 0.3)); }
.adv-pic .stop-stamp {
  position: absolute; right: 6px; bottom: 6px; width: 64px; background: var(--card);
  border-radius: 50%; padding: 2px; box-shadow: 0 2px 6px rgb(0 0 0 / 0.25);
}
.adv-pic-soon {
  aspect-ratio: 2 / 3; border-radius: 9px; border: 2px dashed var(--line); display: grid; place-items: center;
  color: var(--muted); font-size: 0.85rem; text-align: center; padding: 12px;
}
.adv.soon { border-style: dashed; }
.adv-body { display: grid; gap: 2px; padding-inline: 4px; }
.adv-body h3 { font-size: 1rem; }

.title-row { display: flex; gap: 14px; align-items: center; }
.spot-list { display: grid; gap: 8px; }
.spot-list h2 { font-size: 1.2rem; }
.spot-list ul { margin: 0; padding: 0; list-style: none; display: flex; flex-wrap: wrap; gap: 8px; }
.spot-list li {
  border: 2px solid var(--space); border-radius: 999px; padding: 4px 12px; font-weight: 700; background: var(--card);
}

.facts-section { padding-block: 12px 28px; border-top: 1px solid var(--line); }
.facts-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 18px; }
.fact {
  background: var(--card); border: 1px solid var(--line); box-shadow: var(--shadow); border-radius: 18px; padding: 14px;
  display: grid; gap: 12px; align-content: start;
}
.fact img { width: 100%; height: 170px; object-fit: contain; background: #ffffff; border-radius: 10px; }
.fact-noimg {
  height: 170px; border-radius: 10px; display: grid; place-items: center; background: var(--paper);
  font-family: var(--font-display); font-size: 3rem; color: var(--line);
}
.fact-body { display: grid; gap: 6px; min-width: 0; }
.fact-body h3 { font-weight: 800; font-size: 1.05rem; color: var(--space); }
.src { font-size: 0.78rem; color: var(--muted); overflow-wrap: anywhere; }
.facts-teaser { margin-top: 16px; font-weight: 600; }

.spot-checks { display: grid; gap: 8px; }
.spot-check {
  display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 10px;
  border: 2px solid var(--line); background: var(--paper); cursor: pointer; font-weight: 700;
}
.spot-check input { width: 22px; height: 22px; accent-color: var(--sign); }
.spot-check:has(input:checked) { border-color: var(--sign); }
.match-fact {
  margin: 0; padding: 12px 14px; border-left: 4px solid var(--amber); background: var(--paper);
  border-radius: 0 10px 10px 0; font-weight: 600;
}
.shield .tick { stroke: var(--sign); fill: none; }

@media (max-width: 760px) {
        .adv-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
}


/* ---------- Coloring: goal photo + recommended and standard colors ---------- */
.colour-top { display: grid; grid-template-columns: minmax(0, 120px) minmax(0, 1fr); gap: 14px; align-items: start; }
.colour-top.no-goal { grid-template-columns: minmax(0, 1fr); }
.goal-photo { margin: 0; display: grid; gap: 4px; }
.goal-photo img { width: 100%; height: auto; aspect-ratio: 2 / 3; object-fit: cover; border-radius: 10px; border: 1px solid var(--line); cursor: zoom-in; display: block; }
.goal-photo figcaption { font-weight: 800; font-size: 0.85rem; }
.goal-photo.big { grid-column: 1 / -1; }
.goal-photo.big img { max-width: 480px; cursor: zoom-out; }
.colour-pals { display: grid; gap: 10px; min-width: 0; }
.pal-label { font-family: var(--font-mono); font-size: 0.72rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.colour-pals .palette { margin-top: 4px; gap: 6px; }
.colour-pals .swatch { width: 32px; height: 32px; }
.picker { display: inline-flex; align-items: center; gap: 8px; font-weight: 700; font-size: 0.9rem; }
.picker input { width: 44px; height: 34px; border: 2px solid var(--line); border-radius: 10px; padding: 2px; background: var(--card); cursor: pointer; }
.picker input:focus-visible { outline: 3px solid var(--route); outline-offset: 3px; }
.swatch.flash { animation: flash 0.9s ease-out 2; }
@keyframes flash { 50% { box-shadow: 0 0 0 6px var(--amber); } }

@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; } }
@media (max-width: 560px) { .hero-art .bubble { left: 0; bottom: 2%; font-size: .82rem; } }

.help-line { margin-top: 6px; }
.help-line a, .policy a { color: var(--sky); }
.foot-bottom a { color: inherit; }
.policy { max-width: 760px; padding-block: 34px 10px; }
.policy h2 { font-size: 1.35rem; margin: 30px 0 10px; }
.policy p, .policy li { color: var(--ink); }
.policy p + p { margin-top: 10px; }
.policy ul { padding-left: 22px; margin: 8px 0 0; display: grid; gap: 6px; }
.policy .summary { background: var(--card); border: 1px solid var(--line); border-left: 6px solid var(--sun); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow); }
.policy .summary ul { gap: 8px; }
.unlock-row { flex-wrap: nowrap; }
.unlock-row input { flex: 1 1 0; min-width: 0; width: 100%; }
.unlock-row .btn { flex: none; }