:root{--navy:#071b2e;--blue:#0d5f91;--ink:#102336;--muted:#5e7183;--amber:#ffb21a;--paper:#f5f8fb;--white:#fff;--line:#dce5ec;--green:#137c55;--red:#a33a31;--shadow:0 18px 55px rgba(7,27,46,.12)}
*{box-sizing:border-box}html{background:var(--paper)}body{margin:0;color:var(--ink);font:16px/1.55 "DM Sans",system-ui,sans-serif;background:var(--paper)}a{color:inherit;text-decoration:none}.wrap{width:min(960px,calc(100% - 36px));margin:auto}
.topbar{background:var(--navy);color:#d7e4ed;font-size:.88rem}.topbar .wrap{min-height:38px;display:flex;align-items:center;justify-content:space-between}.topbar a{font-weight:800}header{background:#fff;border-bottom:1px solid var(--line)}header nav{height:70px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{display:flex;align-items:center;gap:11px;font:800 1rem Manrope,sans-serif}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border-radius:11px;color:#fff;background:var(--navy);position:relative}.brand-mark:after{content:"";width:8px;height:8px;border-radius:50%;background:var(--amber);position:absolute;right:6px;bottom:6px}.nav-back{color:#075e95;font-weight:800}
.tool-shell{min-height:calc(100vh - 108px);padding:38px 0 90px}.tool-heading{max-width:720px;margin-bottom:22px}.eyebrow{display:block;color:#0b6b45;font-size:.76rem;font-weight:800;letter-spacing:.09em;text-transform:uppercase}.tool-heading h1{font:800 clamp(2.2rem,6vw,3.9rem)/1.04 Manrope,sans-serif;letter-spacing:-.05em;margin:9px 0 12px}.tool-heading p{color:var(--muted);font-size:1.02rem;margin:0}.tool-card{background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);overflow:hidden}.tool-progress{height:7px;background:#e9eff3}.tool-progress span{display:block;height:100%;background:linear-gradient(90deg,var(--amber),#ffcb59);transition:width .2s}.tool-body{padding:32px}.tool-meta{display:flex;justify-content:space-between;gap:14px;color:var(--muted);font-size:.84rem;font-weight:800}.tool-meta b{color:var(--green)}.tool-question{font:800 clamp(1.5rem,4vw,2.15rem)/1.18 Manrope,sans-serif;letter-spacing:-.025em;margin:20px 0 8px}.tool-context{color:var(--muted);margin:0 0 23px}.choice-grid{display:grid;gap:10px}.choice{min-height:60px;padding:14px 16px;border:1px solid #bdccd6;border-radius:14px;background:#fff;color:var(--ink);text-align:left;cursor:pointer;font:700 .96rem "DM Sans",sans-serif}.choice:hover,.choice:focus-visible{border-color:var(--blue);background:#eef7fc;outline:3px solid rgba(13,95,145,.12)}.choice[aria-pressed=true]{border:2px solid var(--blue);background:#eaf4fa}.choice:disabled{cursor:default}.choice.correct{border-color:#4f9a79;background:#eaf7f0}.choice.incorrect{border-color:#d49c97;background:#fff1ef}.feedback{margin-top:16px;padding:17px;border-radius:14px;background:#f0f6fa}.feedback[hidden],.tool-view[hidden],.tool-result[hidden]{display:none}.feedback b{display:block;margin-bottom:4px;font:800 1rem Manrope,sans-serif}.feedback.good b{color:var(--green)}.feedback.try b{color:var(--red)}.tool-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}.btn{min-height:49px;padding:0 19px;border:1px solid transparent;border-radius:12px;font:800 .94rem "DM Sans",sans-serif;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}.btn-primary{background:var(--amber);color:#172435}.btn-dark{background:var(--navy);color:#fff}.btn-outline{background:#fff;border-color:#bdccd6}.btn[disabled]{opacity:.42;cursor:not-allowed}.tool-result{padding:32px}.result-badge{display:inline-flex;padding:7px 11px;border-radius:999px;background:#e5f4ec;color:#0c6845;font-weight:800;font-size:.82rem}.tool-result h2{font:800 clamp(2rem,5vw,3.2rem)/1.07 Manrope,sans-serif;letter-spacing:-.04em;margin:14px 0 9px}.score-block{display:flex;align-items:end;gap:9px;margin:22px 0}.score-block strong{font:800 3rem/1 Manrope,sans-serif}.score-block span{color:var(--muted);font-weight:700}.priority-box{padding:19px;border-radius:15px;background:var(--paper);margin:20px 0}.priority-box h3{font:800 1.06rem Manrope,sans-serif;margin:0 0 8px}.priority-box ul{margin:0;padding-left:20px}.result-actions{display:flex;flex-wrap:wrap;gap:9px}.source-note{margin:18px 0 0;color:var(--muted);font-size:.8rem}.source-note a{color:#075e95;text-decoration:underline;text-underline-offset:2px}
.fault-layout{display:grid;grid-template-columns:280px 1fr;gap:15px}.fault-nav,.fault-detail{background:#fff;border:1px solid var(--line);border-radius:20px}.fault-nav{padding:14px;align-self:start}.fault-search{width:100%;min-height:48px;padding:0 13px;border:1px solid #bdccd6;border-radius:11px;font:500 .94rem "DM Sans",sans-serif}.fault-tabs{display:grid;gap:6px;margin-top:10px}.fault-tab{min-height:48px;padding:10px 12px;border:0;border-radius:10px;background:transparent;color:var(--ink);text-align:left;font:800 .88rem "DM Sans",sans-serif;cursor:pointer}.fault-tab:hover,.fault-tab:focus-visible{background:#eef6fa;outline:none}.fault-tab[aria-selected=true]{background:var(--navy);color:#fff}.fault-empty{color:var(--muted);font-size:.88rem;padding:12px}.fault-detail{padding:28px}.fault-detail h2{font:800 clamp(1.75rem,4vw,2.4rem)/1.1 Manrope,sans-serif;margin:0 0 9px}.fault-summary{color:var(--muted);margin:0 0 24px}.fault-section{padding:18px 0;border-top:1px solid var(--line)}.fault-section h3{font:800 1rem Manrope,sans-serif;margin:0 0 7px}.fault-section ul{margin:0;padding-left:20px}.fault-section li+li{margin-top:5px}.fault-rule{margin:0 0 18px;padding:15px 17px;border-left:4px solid var(--amber);border-radius:4px 12px 12px 4px;background:#fff8e8;font-size:.9rem}.fault-links{display:flex;gap:9px;flex-wrap:wrap;margin-top:21px}
.whatsapp-float{position:fixed;z-index:31;right:18px;bottom:18px;padding:12px 16px;border-radius:999px;background:#1fa855;color:#fff;font-weight:800;box-shadow:0 12px 34px rgba(7,27,46,.25)}footer{background:#051522;color:#c3d1db;padding:34px 0}.footer-row{display:flex;justify-content:space-between;gap:20px;align-items:center}.footer-row p{margin:0;color:#8fa3b2;font-size:.86rem}.footer-row a{font-weight:800}.site-legal-links{margin-top:18px}
@media(max-width:720px){.fault-layout{grid-template-columns:1fr}.fault-nav{position:static}.fault-tabs{display:flex;overflow-x:auto;padding-bottom:3px;scroll-snap-type:x proximity}.fault-tab{flex:0 0 auto;white-space:nowrap;scroll-snap-align:start}.fault-detail{padding:22px 18px}}
@media(max-width:620px){.wrap{width:min(100% - 24px,960px)}.topbar{display:none}header nav{height:64px}.brand>span:last-child{display:none}.tool-shell{padding:27px 0 105px}.tool-heading h1{font-size:2.3rem}.tool-body,.tool-result{padding:22px 18px}.tool-actions .btn{width:100%}.result-actions{display:grid}.result-actions .btn{width:100%}.whatsapp-float{right:13px;bottom:13px;padding:11px 13px}.whatsapp-float span{display:none}.footer-row{align-items:flex-start;flex-direction:column}footer{padding-bottom:80px}}
@media(prefers-reduced-motion:reduce){.tool-progress span{transition:none}}