.challenge-root{--ch-ink:#14213d;--ch-muted:#64748b;--ch-line:#dfe7f2;--ch-blue:#2457e6;--ch-blue-dark:#173bb4;--ch-violet:#7247df;--ch-green:#14855f;min-height:100svh;color:var(--ch-ink);background:radial-gradient(circle at 92% 4%,rgb(86 105 235/.11),transparent 24rem),radial-gradient(circle at 5% 75%,rgb(114 71 223/.07),transparent 30rem),#f7f9fd}.challenge-container{width:min(1120px,calc(100% - 32px));margin-inline:auto}.challenge-main{padding:32px 0 112px}.challenge-main-compact{padding-top:22px}.challenge-header{position:sticky;top:0;z-index:40;border-bottom:1px solid rgb(223 231 242/.85);background:rgb(255 255 255/.88);backdrop-filter:blur(16px)}.challenge-header-inner{min-height:70px;display:flex;align-items:center;justify-content:space-between;gap:16px}.challenge-brand{display:inline-flex;align-items:center;gap:10px;color:var(--ch-ink);text-decoration:none}.challenge-brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:13px;color:white;font-weight:900;font-size:22px;background:linear-gradient(145deg,var(--ch-blue),var(--ch-violet));box-shadow:0 8px 24px rgb(36 87 230/.22)}.challenge-brand small,.challenge-brand strong{display:block;line-height:1.35}.challenge-brand strong{font-size:14px}.challenge-brand small{color:var(--ch-muted);font-size:10px}.challenge-header-user{display:flex;align-items:center;gap:12px}.challenge-user-name{max-width:130px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px;font-weight:700}.challenge-text-button{border:0;background:none;color:var(--ch-muted);font:inherit;font-size:12px;cursor:pointer}.challenge-hero{padding:44px 0 28px}.challenge-hero-grid{display:grid;align-items:center;gap:36px}.challenge-eyebrow{display:inline-flex;align-items:center;gap:8px;border:1px solid #dbe5ff;border-radius:99px;padding:7px 12px;color:var(--ch-blue-dark);background:#f3f6ff;font-size:12px;font-weight:800}.challenge-eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:#4f75ed;box-shadow:0 0 0 5px rgb(79 117 237/.12)}.challenge-hero h1{margin:20px 0 14px;max-width:720px;font-size:clamp(38px,8vw,72px);line-height:1.14;letter-spacing:-.04em;font-weight:900}.challenge-gradient-text{background:linear-gradient(90deg,var(--ch-blue),var(--ch-violet));-webkit-background-clip:text;background-clip:text;color:transparent}.challenge-hero-lead{max-width:650px;color:#55657e;font-size:clamp(15px,2.5vw,19px);line-height:2}.challenge-hero-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}.challenge-mini-proof{display:flex;flex-wrap:wrap;gap:15px 24px;margin-top:24px;color:#53627a;font-size:12px}.challenge-mini-proof span:before{content:"✓";margin-left:6px;color:var(--ch-green);font-weight:900}.challenge-team-visual{position:relative;min-height:360px;display:grid;place-items:center}.challenge-team-orbit{width:min(330px,88vw);aspect-ratio:1;border:1px dashed #b9c7e5;border-radius:50%;display:grid;place-items:center;position:relative;background:radial-gradient(circle,white 0 31%,transparent 32%)}.challenge-orbit-center{width:118px;height:118px;display:grid;place-items:center;text-align:center;border-radius:34px;color:white;background:linear-gradient(145deg,var(--ch-blue),var(--ch-violet));box-shadow:0 24px 60px rgb(57 72 190/.28);transform:rotate(-3deg)}.challenge-orbit-center strong{display:block;font-size:42px;line-height:1}.challenge-orbit-center small{font-size:11px;opacity:.88}.challenge-orbit-person{position:absolute;display:grid;place-items:center;width:62px;height:62px;border-radius:21px;color:var(--ch-blue);background:white;border:1px solid #dce5f5;box-shadow:0 12px 30px rgb(22 38 72/.11);font-size:20px;font-weight:800}.challenge-orbit-person:nth-of-type(2){top:-5px;right:54px}.challenge-orbit-person:nth-of-type(3){top:82px;left:-10px}.challenge-orbit-person:nth-of-type(4){bottom:18px;left:42px}.challenge-orbit-person:nth-of-type(5){bottom:18px;right:42px}.challenge-orbit-person:nth-of-type(6){top:82px;right:-10px}.challenge-section{padding:42px 0}.challenge-section h2{margin:0;font-size:clamp(24px,5vw,36px);font-weight:900;letter-spacing:-.025em}.challenge-section-intro{margin-top:8px;color:var(--ch-muted);line-height:1.9}.challenge-dashboard-grid,.challenge-feature-grid,.challenge-stat-grid{display:grid;gap:14px;margin-top:24px}.challenge-card,.challenge-feature-card{border:1px solid var(--ch-line);border-radius:22px;background:rgb(255 255 255/.94);box-shadow:0 12px 34px rgb(20 33 61/.055)}.challenge-feature-card{padding:22px}.challenge-feature-card span{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;color:var(--ch-blue);background:#edf2ff;font-weight:900}.challenge-feature-card h3{margin:16px 0 7px;font-size:17px}.challenge-feature-card p{margin:0;color:var(--ch-muted);font-size:13px;line-height:1.9}.challenge-button{min-height:44px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:1px solid transparent;border-radius:13px;padding:10px 18px;font:inherit;font-size:13px;font-weight:800;text-decoration:none;cursor:pointer;transition:transform .16s ease,box-shadow .16s ease,background .16s ease}.challenge-button:hover{transform:translateY(-1px)}.challenge-button:disabled{cursor:wait;opacity:.65;transform:none}.challenge-button-primary{color:white;background:linear-gradient(110deg,var(--ch-blue),#514bdc 72%,var(--ch-violet));box-shadow:0 10px 24px rgb(36 87 230/.24)}.challenge-button-secondary{color:var(--ch-blue-dark);border-color:#cdd9f4;background:white}.challenge-button-quiet{color:var(--ch-ink);border-color:var(--ch-line);background:#fff}.challenge-button-whatsapp{color:#116d4e;border-color:#bfe4d5;background:#edf9f4}.challenge-button-sm{min-height:38px;padding:7px 13px}.challenge-button-full{width:100%}.challenge-page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}.challenge-page-head h1{margin:4px 0 0;font-size:clamp(25px,6vw,38px);font-weight:900}.challenge-page-head p{margin:7px 0 0;color:var(--ch-muted);font-size:13px}.challenge-card{padding:20px}.challenge-card-title{margin:0;font-size:17px;font-weight:850}.challenge-card-sub{margin:6px 0 0;color:var(--ch-muted);font-size:13px;line-height:1.8}.challenge-card-link{display:flex;align-items:center;justify-content:space-between;min-height:150px;color:inherit;text-decoration:none}.challenge-card-link:after{content:"←";width:36px;height:36px;display:grid;place-items:center;border-radius:12px;color:var(--ch-blue);background:#edf2ff}.challenge-progress{height:9px;overflow:hidden;border-radius:99px;background:#edf1f7}.challenge-progress>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--ch-blue),var(--ch-violet))}.challenge-progress-row{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:18px 0 9px;font-size:13px;font-weight:700}.challenge-form-page{width:min(720px,calc(100% - 32px));margin:18px auto 0}.challenge-login-card{padding:clamp(22px,5vw,42px)}.challenge-login-card h1{margin:0;font-size:clamp(25px,6vw,37px);font-weight:900}.challenge-login-card>p{margin:8px 0 26px;color:var(--ch-muted);line-height:1.9;font-size:14px}.challenge-form-stack{display:grid;gap:16px}.challenge-form-grid{display:grid;gap:14px}.challenge-label{display:grid;gap:7px;color:#33435e;font-size:12px;font-weight:800}.challenge-input{width:100%;min-height:48px;border:1px solid #d4dfef;border-radius:13px;padding:10px 13px;color:var(--ch-ink);background:#fbfcff;font:inherit;font-size:14px;outline:none}.challenge-input:focus{border-color:#7792ee;background:white;box-shadow:0 0 0 4px rgb(68 101 224/.1)}.challenge-input:disabled{color:#8d99aa;background:#f0f3f7}.challenge-otp-input{text-align:center;font-size:25px;letter-spacing:10px}.challenge-consent{display:flex;align-items:flex-start;gap:9px;color:#58677c;font-size:12px;line-height:1.8}.challenge-consent input{margin-top:5px;accent-color:var(--ch-blue)}.challenge-hint{margin:-7px 0 0;color:var(--ch-muted);font-size:11px}.challenge-alert{margin:0;border-radius:13px;padding:11px 13px;font-size:12px;line-height:1.75}.challenge-alert-error{color:#9f2930;border:1px solid #f5ced1;background:#fff3f3}.challenge-alert-success{color:#116749;border:1px solid #c8e9dc;background:#effaf5}.challenge-members{display:grid;gap:10px;margin-top:18px}.challenge-member{display:flex;align-items:center;gap:12px;border:1px solid #e5eaf3;border-radius:15px;padding:11px;background:#fbfcff}.challenge-avatar{flex:0 0 auto;width:40px;height:40px;display:grid;place-items:center;border-radius:13px;color:#fff;background:linear-gradient(145deg,#5479ed,#7955dd);font-size:13px;font-weight:900}.challenge-member-info{min-width:0;flex:1}.challenge-member-info small,.challenge-member-info strong{display:block}.challenge-member-info strong{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}.challenge-member-info small{margin-top:2px;color:var(--ch-muted);font-size:10px}.challenge-status{flex:0 0 auto;border-radius:99px;padding:5px 9px;color:#77591b;background:#fff7df;font-size:10px;font-weight:800}.challenge-status-done{color:#126448;background:#e9f8f2}.challenge-share-box{overflow:hidden;margin-top:18px;border:1px dashed #b9c9e8;border-radius:16px;padding:14px;background:#f6f8ff}.challenge-share-code{display:flex;justify-content:space-between;gap:10px;color:var(--ch-muted);font-size:11px}.challenge-share-code strong{color:var(--ch-blue-dark);font-size:16px;letter-spacing:2px}.challenge-share-url{margin-top:9px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;direction:ltr;text-align:left;color:#60708a;font-size:10px}.challenge-share-actions{display:grid;gap:9px;margin-top:12px}.challenge-stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.challenge-stat{padding:17px}.challenge-stat small,.challenge-stat strong{display:block}.challenge-stat small{color:var(--ch-muted);font-size:11px}.challenge-stat strong{margin-top:7px;font-size:23px;font-weight:900}.challenge-locked{padding-block:38px;text-align:center}.challenge-lock-icon{width:74px;height:74px;margin:0 auto 17px;display:grid;place-items:center;border-radius:24px;color:var(--ch-blue);background:#edf2ff;font-size:32px}.challenge-prize{overflow:hidden;position:relative;color:white;border:0;background:linear-gradient(135deg,#173aa7,#4b4bd6 58%,#7345dc);box-shadow:0 22px 55px rgb(43 55 165/.24)}.challenge-prize:after{content:"";position:absolute;width:230px;height:230px;left:-80px;top:-100px;border:1px solid rgb(255 255 255/.15);border-radius:50%}.challenge-prize small{opacity:.78}.challenge-prize h2{margin:9px 0 5px;font-size:clamp(28px,7vw,48px);font-weight:900}.challenge-exam{width:min(820px,calc(100% - 24px));margin:0 auto}.challenge-exam-sticky{position:sticky;top:82px;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:18px;border:1px solid #dfe6f2;border-radius:18px;padding:12px 14px;background:rgb(255 255 255/.92);box-shadow:0 10px 28px rgb(20 33 61/.08);backdrop-filter:blur(15px)}.challenge-exam-sticky small,.challenge-exam-sticky strong{display:block}.challenge-exam-sticky small{color:var(--ch-muted);font-size:9px}.challenge-exam-sticky strong{margin-top:2px;font-size:12px}.challenge-timer{flex:0 0 auto;border-radius:12px;padding:8px 12px;color:var(--ch-blue-dark);background:#edf2ff;font-size:18px;font-weight:900;font-variant-numeric:tabular-nums}.challenge-timer-danger{color:#a2242c;background:#fff0f1;animation:challenge-pulse 1s infinite alternate}@keyframes challenge-pulse{to{opacity:.67}}.challenge-question-list{display:grid;gap:14px}.challenge-question-card{min-width:0;border:1px solid var(--ch-line);border-radius:20px;padding:18px;background:white;box-shadow:0 8px 26px rgb(20 33 61/.045)}.challenge-question-card legend{display:flex;align-items:flex-start;gap:10px;width:100%;padding:0;color:#223454;font-size:14px;font-weight:800;line-height:1.95}.challenge-question-card legend>span{flex:0 0 auto;width:29px;height:29px;display:grid;place-items:center;border-radius:9px;color:var(--ch-blue);background:#edf2ff}.challenge-question-image{display:block;width:min(100%,560px);max-height:360px;margin:14px auto;border-radius:14px;object-fit:contain}.challenge-choice-list{display:grid;gap:9px;margin-top:15px}.challenge-choice{display:flex;align-items:center;gap:10px;min-height:48px;border:1px solid #e1e8f3;border-radius:13px;padding:9px 11px;color:#42516a;background:#fbfcfe;cursor:pointer;font-size:13px;line-height:1.7}.challenge-choice:has(input:checked){color:#183da9;border-color:#7893ed;background:#f1f5ff;box-shadow:0 0 0 3px rgb(67 99 219/.08)}.challenge-choice input{accent-color:var(--ch-blue)}.challenge-choice-letter{flex:0 0 auto;width:27px;height:27px;display:grid;place-items:center;border-radius:8px;color:#52627a;background:#edf1f7;font-size:11px;font-weight:900}.challenge-exam-submit{margin-top:18px;border:1px solid var(--ch-line);border-radius:18px;padding:18px;background:white}.challenge-exam-submit p{margin:0 0 12px;color:var(--ch-muted);text-align:center;font-size:11px}.challenge-mobile-nav{position:fixed;z-index:50;right:10px;bottom:max(10px,env(safe-area-inset-bottom));left:10px;display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgb(211 221 238/.9);border-radius:19px;padding:7px;background:rgb(255 255 255/.94);box-shadow:0 14px 45px rgb(18 32 63/.18);backdrop-filter:blur(18px)}.challenge-mobile-nav a{display:grid;place-items:center;gap:2px;min-height:48px;border-radius:13px;color:#657289;text-decoration:none;font-size:9px;font-weight:700}.challenge-mobile-nav a:hover{color:var(--ch-blue);background:#f1f5ff}.challenge-mobile-nav span{font-size:17px;line-height:1}@media (min-width:640px){.challenge-main{padding-top:45px}.challenge-form-grid,.challenge-share-actions{grid-template-columns:repeat(2,minmax(0,1fr))}.challenge-dashboard-grid,.challenge-feature-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.challenge-stat-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.challenge-card{padding:25px}}@media (min-width:900px){.challenge-hero{padding:80px 0 55px}.challenge-hero-grid{grid-template-columns:minmax(0,1.25fr) minmax(340px,.75fr)}.challenge-mobile-nav{right:50%;left:auto;width:520px;transform:translateX(50%)}}@media (prefers-reduced-motion:reduce){.challenge-button,.challenge-timer-danger{transition:none;animation:none}}