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@media(max-width:1120px){.top-nav{gap:0}.top-nav a{padding:9px}.brand{min-width:215px}.brand-text{font-size:19px}.hero-grid{grid-template-columns:1.1fr .9fr}.hero-art{min-height:440px}.halo{width:395px;height:395px}.orbit{width:410px;height:340px}.crew-mini{flex-direction:column;align-items:flex-start}.crew-mini .crew-portrait{width:100%;height:110px}.activity-card{padding:24px 18px;gap:12px}.activity-icon{width:49px;height:49px}.map-layout{grid-template-columns:minmax(0,1.5fr) minmax(280px,.9fr)}.map-node{min-width:94px;max-width:114px;min-height:88px}.node-title{font-size:11px}.node-symbol{font-size:26px}}
@media(max-width:860px){.header-inner{flex-wrap:wrap;justify-content:space-between;padding-top:12px;padding-bottom:10px;gap:12px}.top-nav{order:3;flex:0 0 100%;justify-content:center;overflow-x:auto}.parents-link{margin-left:auto}.hero-grid{gap:0;grid-template-columns:1fr .85fr}.hero h1{font-size:49px}.hero-copy>p{font-size:16px}.hero-art{min-height:380px}.hero-picture{width:280px}.halo{height:320px;width:320px}.orbit{width:350px;height:280px}.art-note{font-size:10px;left:0}.activity-grid{gap:13px}.activity-card{flex-direction:column;min-height:260px}.crew-preview{gap:11px}.map-layout{grid-template-columns:1fr}.world-map{min-height:520px}.zone-panel{min-height:0;display:grid;grid-template-columns:170px 1fr;column-gap:20px}.zone-tag{grid-column:1/-1;justify-self:start}.zone-image-wrap{grid-row:2/6;height:190px;margin:14px 0}.zone-panel h2{align-self:end;margin:17px 0 7px}.zone-panel>p{margin-bottom:12px}.learn-block{grid-column:1/-1}.zone-plan,.prototype-note{grid-column:1/-1}.footer-grid{gap:22px}.footer-bottom{display:block}.footer-bottom span{display:block;margin-top:5px}}
@media(max-width:640px){.shell{padding-left:18px;padding-right:18px}.design-ribbon{font-size:10px}.header-inner{min-height:76px}.brand{min-width:0}.brand-mark{width:41px;height:41px}.brand-text{font-size:18px}.brand-text small{font-size:8px}.parents-link{font-size:11px;padding:8px}.top-nav{justify-content:flex-start}.top-nav a{font-size:13px}.hero-grid{grid-template-columns:1fr;gap:0;min-height:unset;padding-bottom:63px}.hero-copy{padding:46px 0 8px;text-align:center}.hero h1{font-size:clamp(43px,10vw,58px)}.hero-copy>p{font-size:16px;max-width:450px;margin:0 auto 25px}.hero-actions{justify-content:center}.hero-trust{text-align:center}.hero-art{min-height:330px}.hero-picture{width:260px}.halo{height:300px;width:300px}.orbit{width:320px;height:260px}.hero-orbit-icon{font-size:28px}.art-note{left:8%;bottom:6%}.wave{height:50px}.hello-bar{padding:18px;align-items:start}.hello-icon{width:40px;height:40px}.inline-link{display:none}.section-heading{margin:50px 0 23px}.section-heading h2{font-size:31px}.activity-grid,.crew-detail-grid,.story-grid,.parent-grid{grid-template-columns:1fr}.activity-card{flex-direction:row;min-height:200px;padding:23px}.crew-preview{grid-template-columns:repeat(2,1fr)}.crew-mini{flex-direction:row}.crew-mini .crew-portrait{height:86px;width:75px}.crew-mini strong{font-size:16px}.group-heading{align-items:flex-start}.group-heading .text-button{margin-top:15px}.mission-sample{grid-template-columns:1fr}.mission-left{padding:27px 23px}.mission-art{height:190px}.mission-art img{object-position:center 40%}.map-hint{flex-wrap:wrap}.map-legend{width:100%}.world-map{min-height:550px;aspect-ratio:.83}.map-node{min-width:92px;max-width:112px;min-height:93px}.node-bytesville{left:18%;top:75%}.node-data{left:39%;top:21%}.node-firewall{left:76%;top:35%}.node-encryption{left:77%;top:78%}.node-password{left:44%;top:61%}.node-phishing{left:18%;top:43%}.map-trail{display:none}.zone-panel{display:block}.zone-image-wrap{height:170px}.footer-grid{grid-template-columns:1fr 1fr}.footer-note{grid-column:1/-1}.footer-links{grid-template-columns:1fr}.inner-hero{padding-bottom:43px}.inner-hero .crumb{margin-bottom:21px}.parent-panel{padding:20px}.crew-detail .detail-image{height:230px}}
@media(max-width:390px){.brand-text{font-size:16px}.parents-link{font-size:10px}.activity-card{padding:19px}.crew-preview{grid-template-columns:1fr}.crew-mini .crew-portrait{height:85px;width:85px}.map-node{min-width:80px;max-width:95px;padding:7px}.node-title{font-size:10px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}


/* C003: clean source character sprites and mobile-first presentation */
:root { color-scheme: light; }
.hero-art { isolation:isolate; }
.hero-picture { background:transparent; padding:0; border:none; width:min(590px,112%); aspect-ratio:4/3; border-radius:0; box-shadow:none; overflow:visible; transform:none; }
.hero-picture img { object-fit:contain; height:100%; width:100%; border-radius:0; filter:drop-shadow(0 15px 14px rgba(0,22,48,.22)); }
.hero-art .halo { width:390px; height:390px; left:50%; top:50%; transform:translate(-50%,-50%) rotate(14deg); }
.hero-art .orbit { width:480px; height:350px; left:50%; top:50%; transform:translate(-50%,-50%) rotate(26deg); }
.hero-art .orbit-b { transform:translate(-50%,-50%) rotate(-24deg); }
.art-note { bottom:2%; left:8%; transform:rotate(-3deg); }
.crew-portrait { overflow:hidden; background:linear-gradient(145deg,#e7faff,#fff4db); }
.crew-portrait img { object-fit:contain!important; padding:2px; }
.crew-mini:nth-child(2) .crew-portrait { background:linear-gradient(130deg,#dff5ff,#f3faff); }
.crew-mini:nth-child(3) .crew-portrait { background:linear-gradient(130deg,#fff4fa,#f9ffff); }
.crew-mini:nth-child(4) .crew-portrait { background:linear-gradient(130deg,#fff2e7,#f6ffff); }
.crew-mini:focus-visible { outline:4px solid #ff9d50; outline-offset:3px; }
.mission-art { background:radial-gradient(circle at 50% 40%,#fff5cd,#e4f4e9 65%,#b9dfe6); padding:8px; }
.mission-art img { object-fit:contain; object-position:center; filter:drop-shadow(0 10px 10px #345b7b22); }
.zone-image-wrap { background:radial-gradient(circle at 40% 30%,#fff6df,#dbf5f6); padding:8px; }
.zone-image-wrap img { object-fit:contain; }
.detail-image { background:linear-gradient(150deg,#eaf9ff,#fff6eb); display:grid; place-items:center; }
.detail-image img { object-fit:contain!important; padding:9px; }
.crew-detail:nth-child(2) .detail-image { background:linear-gradient(135deg,#dff3ff,#e9faf2); }
.crew-detail:nth-child(3) .detail-image { background:linear-gradient(135deg,#fff0fa,#e6f8ff); }
.crew-detail:nth-child(4) .detail-image { background:linear-gradient(135deg,#fff4df,#e1f7fa); }
.crew-detail:nth-child(5) .detail-image { background:linear-gradient(135deg,#e6f9f2,#fff4db); }
.story-thumb { position:relative; isolation:isolate; width:100%; height:225px; overflow:hidden; display:grid; place-items:center; }
.story-thumb::before { content:''; position:absolute; width:65%; aspect-ratio:1; top:-38%; right:-15%; background:#fff6; filter:blur(5px); border-radius:100%; z-index:-1; }
.story-thumb img { position:absolute; object-fit:contain; height:95%; width:90%; max-width:none; filter:drop-shadow(0 9px 8px #173b4a3b); }
.scene-one { background:radial-gradient(circle at 44% 20%,#73bfdd,#0b557a 72%); }
.scene-one::after { content:''; position:absolute; bottom:-25px; left:-20px; width:130%; height:62px; transform:rotate(-6deg); border-top:8px dashed #f7d895a0; background:#0b5478; z-index:-1; }
.scene-one .story-duo-one { width:58%; left:0; bottom:-1%; height:87%; }
.scene-one .story-duo-two { width:48%; right:0; top:2%; height:77%; }
.scene-stars { position:absolute; top:5%; left:12%; font-size:47px; color:#ffeaa3; opacity:.8; }
.scene-two { background:linear-gradient(145deg,#1d7495,#8ad6c6); }
.scene-two img { width:98%; height:94%; bottom:0; }
.scene-lock { position:absolute; font-size:175px; top:-90px; right:-15px; color:#fff4ca44; z-index:-1; }
.scene-three { background:radial-gradient(circle at 65% 12%,#fff8c5,#e9d5b5 70%,#8ed0d9); }
.scene-three img { height:102%; width:82%; bottom:-18px; left:5%; }
.scene-mail { position:absolute; top:23px; right:19px; border:2px solid white; border-radius:20px; background:#fff; box-shadow:0 10px 25px #0f46552e; color:#ef9c58; padding:3px 17px; font-size:45px; transform:rotate(7deg); }
.story-card .story-thumb img { height:95%; }
.story-card .scene-one .story-duo-one { height:87%; }
.story-card .scene-one .story-duo-two { height:77%; }
.story-card .scene-three img { height:102%; }
.choice-btn { min-height:50px; touch-action:manipulation; }
.map-node { touch-action:manipulation; }
.map-node .node-sub { font-size:10px; }
.top-nav a,.parents-link { min-height:46px; display:inline-flex;align-items:center;justify-content:center; }
/* iPad portrait and smaller laptop: deliberate stacking without horizontal nav scrolling. */
@media(max-width:1100px) {
 .header-inner { flex-wrap:wrap; }
 .top-nav { order:3; flex:0 0 100%; justify-content:center; overflow:visible; flex-wrap:wrap; }
 .hero-picture { width:min(510px,112%); }
 .hero-art { min-height:420px; }
 .crew-mini { flex-direction:column; text-align:center; align-items:center; }
 .crew-mini .crew-portrait { height:134px; width:100%; }
 .crew-mini small { font-size:12px; }
}
@media(max-width:860px) {
 .top-nav { order:3; justify-content:space-evenly; }
 .hero-art .halo { width:290px; height:290px; }
 .hero-art .orbit { width:340px; height:260px; }
 .hero-picture { width:min(480px,115%); }
 .crew-detail-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .crew-detail .detail-image { height:255px; }
 .story-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .mission-art { min-height:290px; }
}
@media(max-width:700px) {
 .shell { padding-left:18px; padding-right:18px; }
 .header-inner { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:8px 10px; padding-top:10px; padding-bottom:10px; }
 .brand { min-width:0; gap:7px; }
 .brand-mark { flex-shrink:0; width:37px; height:37px; border-radius:12px; }
 .brand-text { font-size:clamp(16px,4vw,19px); }
 .brand-text small { font-size:8px; }
 .parents-link { margin:0; font-size:12px; min-height:44px; padding:8px 10px; }
 .top-nav { grid-column:1/-1; order:unset; flex:none; display:grid; grid-template-columns:repeat(5,minmax(0,1fr)); gap:2px; width:100%; overflow:visible; }
 .top-nav a { min-width:0; font-size:12px; font-weight:900; min-height:48px; padding:7px 2px; text-align:center; border-radius:12px; line-height:1.1; white-space:normal; }
 .hero-grid { grid-template-columns:1fr; padding-bottom:60px; gap:0; }
 .hero-copy { padding:32px 0 0; text-align:center; }
 .hero h1 { margin:12px 0 15px; font-size:clamp(38px,10vw,56px); }
 .hero-copy>p { margin:0 auto 21px; font-size:16px; line-height:1.5; }
 .hero-actions { justify-content:center; }
 .hero-art { min-height:290px; width:100%; max-width:480px; margin:0 auto; }
 .hero-picture { width:100%; aspect-ratio:4/3; max-width:420px; }
 .hero-art .halo { width:265px; height:265px; }
 .hero-art .orbit { width:300px; height:225px; }
 .art-note { bottom:0; left:0; font-size:11px; padding:7px 12px; }
 .hero-orbit-icon.top { top:0; right:3%; }
 .hero-orbit-icon.bottom { bottom:12%; left:0; }
 .hello-bar { margin-top:10px; padding:16px; }
 .section-heading { margin:38px 0 22px; }
 .activity-grid, .crew-detail-grid, .story-grid, .parent-grid { grid-template-columns:1fr; }
 .activity-card { min-height:0; padding:19px; flex-direction:row; gap:14px; }
 .activity-icon { width:52px; height:52px; flex-shrink:0; }
 .activity-card h3 { margin:5px 0; }
 .activity-card p { max-width:none; }
 .crew-preview { grid-template-columns:repeat(2,minmax(0,1fr)); gap:11px; }
 .crew-mini { flex-direction:column; align-items:center; text-align:center; padding:10px; min-height:182px; }
 .crew-mini .crew-portrait { width:100%; height:117px; }
 .crew-mini strong { font-size:17px; }
 .crew-mini small { font-size:12px; }
 .mission-sample { grid-template-columns:1fr; margin-top:44px; }
 .mission-left { padding:25px 22px; }
 .mission-art { height:250px; min-height:0; }
 .answer-row { display:grid; grid-template-columns:1fr; }
 .choice-btn { width:100%; font-size:15px; }
 .map-layout { grid-template-columns:1fr; gap:14px; }
 .map-hint { flex-wrap:wrap; padding:10px 10px 12px; }
 .map-legend { width:100%; }
 .world-map { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); align-items:stretch; gap:12px; min-height:0; aspect-ratio:auto; padding:22px 14px 0; }
 .world-map .map-node { position:relative; left:auto;top:auto;max-width:none;min-width:0; width:100%; min-height:112px; transform:none; padding:8px 7px; border-radius:16px; }
 .world-map .map-node:hover { transform:translateY(-2px); }
 .world-map .map-node.is-active { transform:none; }
 .world-map .node-title { font-size:13px; }
 .world-map .node-sub { font-size:10px; }
 .world-map .node-symbol { font-size:26px;height:27px;line-height:26px; }
 .map-trail { display:none; }
 .world-map .map-footer-note { position:relative; left:auto;right:auto;bottom:auto; grid-column:1/-1; padding:11px 9px; margin:2px -14px 0; font-size:11px; }
 .zone-panel { display:block; padding:17px; }
 .zone-image-wrap { height:180px; }
 .zone-panel>p { font-size:15px; }
 .learn-block p,.zone-plan { font-size:14px; }
 .map-bottom { margin-bottom:45px; }
 .inner-content { padding-top:25px;padding-bottom:50px; }
 .story-thumb { height:230px; }
 .story-card>div:last-child { padding:20px; }
 .crew-detail .detail-image { height:270px; }
 .footer-grid { grid-template-columns:1fr 1fr; gap:18px; }
 .footer-note { grid-column:1/-1; }
 .footer-links { grid-template-columns:1fr; }
}
@media(max-width:380px) {
 .shell { padding-left:14px; padding-right:14px; }
 .brand-text { font-size:15px; }
 .brand-text small { font-size:7px; }
 .parents-link { padding:8px; font-size:11px; }
 .hero-art { min-height:245px; }
 .hero-picture { max-width:325px; }
 .hero-art .halo { width:230px;height:230px; }
 .hero-art .orbit { width:270px;height:204px; }
 .art-note { bottom:-4px; }
 .crew-mini .crew-portrait { height:104px; }
 .world-map { gap:9px; padding-left:10px; padding-right:10px; }
 .world-map .map-node { min-height:105px; }
 .world-map .node-title { font-size:12px; }
 .world-map .map-footer-note { margin-left:-10px; margin-right:-10px; }
 .scene-mail { font-size:38px; }
}
@media(prefers-reduced-motion:reduce) { .hero-picture img { filter:none; } }

@media(min-width:701px) and (max-width:1100px) {
 .world-map { width:100%; min-height:520px; height:520px; aspect-ratio:auto; }
 .hero-picture { width:100%; }
}
@media(min-width:701px) and (max-width:1250px) {
 .node-phishing { left:34%; top:50%; }
}
@media(max-width:700px) {
 .brand { grid-column:1; grid-row:1; }
 .parents-link { grid-column:2; grid-row:1; justify-self:end; }
 .top-nav { grid-column:1/-1; grid-row:2; }
 .footer-grid { grid-template-columns:minmax(0,1fr); }
 .footer-note { grid-column:auto; }
 .footer-links { grid-template-columns:repeat(2,minmax(0,1fr)); }
}

.detail-image, .crew-portrait, .zone-image-wrap, .mission-art { position:relative; display:block; overflow:hidden; }
.detail-image img, .crew-portrait img, .zone-image-wrap img, .mission-art img {
 position:absolute; inset:0; display:block; width:100%; height:100%;
 min-height:0; min-width:0; max-height:100%; max-width:100%; object-fit:contain!important;
}
.detail-image img { padding:10px; }
.crew-portrait img { padding:3px; }
.zone-image-wrap img { padding:9px; }
.mission-art img { padding:10px; }