@media(max-width:1100px){.desktop-nav{display:none}.mobile-menu-btn{display:grid}.hero-grid{grid-template-columns:1fr 1fr;gap:38px}.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.home-strip-grid{grid-template-columns:repeat(2,1fr)}.home-strip-grid>div:nth-child(2){border-right:0}.home-strip-grid>div:nth-child(-n+2){border-bottom:1px solid var(--border)}}
@media(max-width:820px){body{padding-bottom:76px}.container{width:min(calc(100% - 24px),var(--max))}.topbar .nav-wrap{height:64px}.brand-logo{height:35px;max-width:112px}.hide-mobile{display:none}.bottom-nav{display:grid;position:fixed;z-index:65;bottom:0;left:0;right:0;grid-template-columns:repeat(5,1fr);padding:7px 8px calc(7px + env(safe-area-inset-bottom));background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(18px);border-top:1px solid var(--border)}.bottom-nav a{display:flex;flex-direction:column;align-items:center;gap:2px;font-size:18px;color:var(--text-2)}.bottom-nav span{font-size:10px}.bottom-nav .battle-nav{color:var(--primary);font-weight:800}.hero{padding:50px 0 32px}.hero-grid{grid-template-columns:1fr}.hero-visual{margin-top:4px}.hero-visual-card{max-width:620px;margin:auto}.floating-card-top{left:-4px}.floating-card-bottom{right:-4px}.section{padding:52px 0}.grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}.top-three{grid-template-columns:1fr}.top-three .first{order:-1}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}.footer{padding-bottom:35px}.footer-bottom{flex-direction:column;gap:8px}.form-grid{grid-template-columns:1fr}.profile-hero{grid-template-columns:auto 1fr}.profile-hero>div:last-child{grid-column:1/-1}.answers{grid-template-columns:1fr}.battle-versus{grid-template-columns:1fr 52px 1fr;gap:8px}.battle-player{padding:12px}.battle-score{font-size:36px}.cta-v3{align-items:flex-start;flex-direction:column}.section-head{align-items:flex-start;flex-direction:column}.split-showcase,.community-showcase{grid-template-columns:1fr;gap:26px}.community-showcase>img{order:-1}.event-layout{grid-template-columns:1fr}.event-layout .event-content{grid-column:auto}.news-tabs{margin-inline:-12px;padding-inline:12px}.news-tab:first-child{margin-left:0}}
@media(max-width:560px){.brand-text{font-size:14px}.login-nav-btn{display:none}.nav-actions{gap:7px}.icon-btn{width:39px;height:39px}.hero h1{font-size:55px}.hero h1 span{font-size:.5em}.hero-kicker{font-size:18px}.hero-actions .btn{width:100%}.hero-trust{display:grid;grid-template-columns:1fr 1fr}.hero-visual-card{padding:9px;border-radius:24px}.hero-visual-card>img{border-radius:17px}.floating-card{position:relative;inset:auto!important;margin-top:8px}.hero-visual-card{transform:none}.home-strip-grid{grid-template-columns:1fr}.home-strip-grid>div{border-right:0;border-bottom:1px solid var(--border)!important}.home-strip-grid>div:last-child{border-bottom:0!important}.grid-3,.grid-4{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr!important}.stat-premium{padding:22px 18px}.stat-premium strong{font-size:38px}.page-head{padding-top:34px}.page-head h1{font-size:40px}.news-search{display:grid}.news-search .btn{width:100%}.battle-stage .btn{width:100%}.search-panel{padding:12px}.auth-shell{padding:24px 12px}.auth-card{padding:22px}.auth-card h1{font-size:31px}.cta{padding:30px 24px}.card{padding:20px}.premium-card{padding:12px 12px 18px}.footer-grid{grid-template-columns:1fr}.footer-grid>div:first-child{grid-column:auto}.pagination-row .btn{flex:1}.profile-pill{padding-right:4px}.mobile-menu-panel{width:92vw}}

/* v7 case library */
@media(max-width:1024px){.case-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.case-filter{grid-template-columns:1fr 1fr}.case-search-wrap{grid-column:1/-1}.case-detail-layout{grid-template-columns:1fr}.case-detail-side{order:-1}.sticky-card{position:static}.case-detail-side .case-steps{grid-template-columns:repeat(5,1fr);gap:7px}.case-detail-side .case-steps li{padding:26px 4px 0;text-align:center;font-size:10px}.case-detail-side .case-steps li:before{left:50%;top:4px;transform:translateX(-50%)}}
@media(max-width:820px){.cases-hero-grid{grid-template-columns:1fr;gap:24px}.case-hero-visual{min-height:225px}.case-library-head p{text-align:left}.case-data-grid{grid-template-columns:1fr 1fr}.case-data-card:first-child{grid-column:1/-1}.case-analysis-grid{grid-template-columns:1fr}.case-analysis-block.accent{grid-column:auto}}
@media(max-width:600px){.case-filter{grid-template-columns:1fr;padding:10px}.case-search-wrap{grid-column:auto}.case-library-grid{grid-template-columns:1fr}.case-library-body h3{font-size:20px}.case-data-grid{grid-template-columns:1fr}.case-data-card:first-child{grid-column:auto}.case-media-grid,.case-answers{grid-template-columns:1fr}.case-analysis{padding:20px}.case-analysis-header h2{font-size:29px}.case-complete{align-items:flex-start;flex-direction:column}.case-complete .btn{width:100%}.case-detail-side .case-steps{display:none}.case-detail-side .sticky-card{padding:14px}.case-visual-radiograph{inset:18px 25% 58px 18px}.case-visual-note{right:12px;bottom:12px}}

/* v8.1 responsive fixes */
@media(max-width:1280px) and (min-width:821px){
  .event-layout{grid-template-columns:minmax(0,1.65fr) minmax(330px,.55fr)}
  .event-qr-card{grid-template-columns:116px minmax(0,1fr);gap:12px;padding:12px}
  .event-qr{width:116px;min-width:116px}
  .event-qr-copy>b{font-size:14px}
  .event-qr-copy p{font-size:12px}
}
@media(max-width:820px){
  .dashboard-nav-btn{display:none}
  .event-qr-card{grid-template-columns:1fr;text-align:center;padding:16px}
  .event-qr{width:min(210px,100%);min-width:0;margin:auto}
  .event-qr-copy .attendance-badge{justify-content:center;text-align:center}
  .profile-actions{width:100%}
}
@media(max-width:560px){
  .profile-actions{display:grid;grid-template-columns:1fr}
  .profile-actions .btn{width:100%}
}
/* v8.7 staff navigation */
.staff-nav-btn{white-space:nowrap}
@media(max-width:1280px) and (min-width:1101px){.staff-nav-btn{display:none}}