:root{color-scheme:dark;--bg:#081719;--panel:#102426;--panel2:#142c2c;--line:#29413e;--white:#edf5ef;--muted:#a2bbb4;--mint:#bfe7ad;--gold:#edce89;--red:#ffb5a9;--shadow:0 24px 80px #0003;font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--white);line-height:1.5;font-size:15px}a{color:inherit;text-decoration:none}button,input{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid var(--mint);outline-offset:3px}h1,h2,h3,p{margin:0}h1,h2{font-family:Georgia,"Times New Roman",serif;font-weight:500;line-height:1.1;letter-spacing:-.035em}h1{font-size:clamp(2.1rem,5vw,3.6rem)}h2{font-size:clamp(1.6rem,3vw,2.3rem)}.small{font-size:.82rem}.muted{color:var(--muted)}.strong{font-weight:800}.wrap{width:min(1180px,calc(100% - 38px));margin:auto}.pill{display:inline-flex;gap:7px;align-items:center;border-radius:999px;border:1px solid #668e7a;background:#1f4034;padding:5px 11px;color:#d8f5dc;font-size:.7rem;font-weight:850;letter-spacing:.06em;text-transform:uppercase}.dot{width:6px;height:6px;border-radius:50%;background:#a9e58d;display:inline-block}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:9px;padding:11px 17px;background:var(--mint);color:#11281e;font-weight:800;min-height:44px;transition:transform .12s,background .15s}.btn:hover{background:#d2f4c6;transform:translateY(-1px)}.btn.outline{background:transparent;color:var(--white);border-color:#55756b}.btn.outline:hover{background:#214237}.btn.ghost{background:#1c3836;color:#edf5ee}.btn.warn{background:#ffe2bd;color:#492f12}.btn:disabled{opacity:.46;cursor:not-allowed}.site-header{position:sticky;top:0;z-index:20;border-bottom:1px solid #2c4945;background:#091b1bf5;backdrop-filter:blur(12px)}.nav{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.025em;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:39px;height:39px;border-radius:11px;border:1px solid #7ea090;background:#1a3831;color:var(--mint);font:700 19px Georgia,serif}.brand small{display:block;color:#a2bab1;font-size:.64rem;font-weight:600;letter-spacing:.07em}.nav-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.nav-actions a{font-size:.81rem;color:#d1e4da;font-weight:700}.nav-actions .btn{font-size:.78rem;min-height:36px;padding:6px 11px}.footer{margin-top:70px;border-top:1px solid var(--line);color:var(--muted);padding:19px 0 25px;font-size:.76rem}.footer .wrap{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap}.intro{padding:62px 0 30px;display:grid;grid-template-columns:1fr 1fr;align-items:center;gap:55px}.intro h1{margin:17px 0}.lead{color:#b3c8be;font-size:1rem;max-width:480px}.visual{border:1px solid #385751;border-radius:24px;background:radial-gradient(ellipse at 85% 20%,#3f64436b,transparent 56%),linear-gradient(140deg,#173630,#0d2225);padding:32px;box-shadow:var(--shadow);min-height:360px}.mock-head{display:flex;justify-content:space-between;font-size:.78rem;color:#bfd5ca}.mock-number{font-size:3rem;letter-spacing:-.04em;font-weight:700;margin:30px 0 6px}.sparkline{display:block;width:100%;height:auto;max-height:145px;margin:10px 0}.mock-bottom{display:flex;gap:12px}.mock-bottom>div{border:1px solid #466458;padding:12px;border-radius:12px;flex:1}.mock-bottom span{display:block;font-size:.66rem;color:#abc3b9}.mock-bottom b{font-size:1.03rem}.box{border:1px solid var(--line);border-radius:18px;padding:22px;background:var(--panel);box-shadow:0 10px 35px #0002}.box h3{font-size:1rem;margin-bottom:8px}.access-card{max-width:460px}.field{display:flex;flex-direction:column;gap:7px;color:#d2e4da;font-size:.84rem;font-weight:700;margin:21px 0}.field input{background:#0b1d1f;border:1px solid #4c6960;border-radius:9px;padding:13px;color:white;min-height:48px}.field input::placeholder{color:#7c9a8e}.notice{border:1px solid #496d5d;border-radius:12px;background:#1a3830;padding:13px;color:#cfe4d7;font-size:.8rem;line-height:1.55}.access-card .btn{width:100%;margin:17px 0 10px}.hint{font-size:.76rem;color:var(--muted)}.dash-layout{display:grid;grid-template-columns:222px minmax(0,1fr);min-height:calc(100vh - 77px)}.side{border-right:1px solid var(--line);padding:27px 15px;background:#0b1e1f}.side-label{font-size:.68rem;letter-spacing:.12em;text-transform:uppercase;color:#85a99a;margin:14px 12px}.side a{display:flex;align-items:center;gap:9px;padding:11px 12px;border-radius:9px;font-size:.85rem;color:#bcd2c6;font-weight:700;margin:2px 0}.side a:hover,.side a.active{background:#1a3a33;color:#d9f3db}.side .icon{width:19px;text-align:center;color:#b9d8a9}.side-note{margin:30px 10px 0;font-size:.75rem;color:#9cb7ab;border-top:1px solid var(--line);padding-top:16px}.dash-main{min-width:0;width:100%;max-width:1210px;padding:40px clamp(18px,3vw,50px) 75px;margin:0 auto}.welcome{display:flex;justify-content:space-between;align-items:start;gap:16px;margin-bottom:26px}.welcome h1{font-size:clamp(2rem,4vw,3rem);margin:7px 0}.eyebrow{color:var(--gold);font-size:.72rem;letter-spacing:.13em;text-transform:uppercase;font-weight:800}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:13px}.stat{padding:19px 18px;min-width:0}.stat .label{font-size:.75rem;color:var(--muted)}.stat .num{font-size:clamp(1.2rem,2vw,1.75rem);font-weight:730;letter-spacing:-.04em;margin:10px 0 4px;overflow-wrap:anywhere}.stat .sub{font-size:.7rem;color:#bcd3bf}.positive{color:#a8e6ae!important}.warntext{color:#ffccb2!important}.dashboard-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(290px,1fr);gap:13px;margin:13px 0}.chartbox{min-width:0}.between{display:flex;justify-content:space-between;align-items:center;gap:10px}.panel-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:10px}.panel-head h2{font:800 1.02rem system-ui,sans-serif;letter-spacing:0}.chartbox svg{width:100%;height:auto;max-height:245px;display:block}.chart-caption{display:flex;justify-content:space-between;color:#8daea0;font-size:.67rem}.scenario-box{background:radial-gradient(circle at 100% 0%,#41664655,transparent 53%),#17362f}.scenario-box .small{color:#b9d0c0}.scenario-box h3{font:500 1.57rem Georgia,serif;margin:13px 0}.scenario-box p{font-size:.84rem;color:#ccdfd3}.scenario-box .btn{width:100%;margin-top:18px}.step-indicator{margin-top:21px;display:flex;gap:5px}.step-indicator i{height:4px;flex:1;background:#406250;border-radius:3px}.step-indicator i.on{background:#c9e8b6}.section-title{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:26px 0 12px}.section-title h2{font:800 1rem system-ui,sans-serif}.table-wrap{overflow-x:auto}.table{width:100%;border-collapse:collapse;min-width:540px}.table th{text-align:left;font-size:.68rem;letter-spacing:.08em;text-transform:uppercase;color:#a7bdb2;padding:13px;border-bottom:1px solid var(--line)}.table td{padding:15px 13px;font-size:.79rem;border-bottom:1px solid #25403c}.table tr:last-child td{border-bottom:0}.tag{font-size:.65rem;font-weight:800;display:inline-block;border-radius:25px;padding:4px 9px;background:#244b36;color:#beedc4}.tag.red{background:#58352f;color:#ffcfbc}.tag.gold{background:#54462d;color:#ffdfa1}.ref-card{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:13px 0;background:#1a3836}.ref-card h3{margin:7px 0}.ref-card p{font-size:.81rem;color:#bbd2c4;max-width:740px}.ref-card .btn{flex:none}.callout{padding:15px;border-left:3px solid var(--gold);background:#1b3630;border-radius:0 8px 8px 0;color:#d3e4d7;font-size:.78rem;margin-top:18px}.question-head{padding:55px 0 25px;max-width:740px}.question-head h1{margin:13px 0}.question-layout{display:grid;grid-template-columns:1.5fr .7fr;gap:16px}.question-card{padding:27px}.question-card h2{margin:9px 0 13px}.question-card .case{border-radius:11px;background:#1a3735;border:1px solid #456057;color:#d2e6d8;padding:18px;margin:18px 0;font-size:.91rem}.choices{display:grid;gap:10px}.choice{display:flex;align-items:center;gap:12px;text-align:left;width:100%;border:1px solid #48645b;background:#142b2a;border-radius:11px;color:#eaf5eb;padding:16px;font-size:.9rem}.choice:hover{border-color:#c0deb8;background:#1e4138}.choice.selected{border-color:#bfe7ad;background:#24483a;box-shadow:inset 0 0 0 1px #bfe7ad}.choice .letter{display:grid;place-items:center;flex:none;width:29px;height:29px;border-radius:7px;border:1px solid #5b7766;color:#e6f2df;font-weight:800;font-size:.78rem}.question-controls{display:flex;justify-content:space-between;gap:10px;margin-top:24px}.quiz-side{align-self:start}.progress-row{display:flex;gap:6px;margin:16px 0}.progress-row i{flex:1;height:7px;background:#35524c;border-radius:7px}.progress-row i.filled{background:#b8e39d}.result{margin:20px 0 0;padding:24px;border:1px solid #50786e;border-radius:16px;background:#14372f}.result h2{margin:12px 0}.result p{color:#bcd5c7;margin-top:12px}.explain{padding:15px 0;border-bottom:1px solid #35504a}.explain:last-child{border:0}.explain strong{display:block;margin-bottom:6px}.explain p{font-size:.83rem;color:#b4cfc2}.teacher-details{margin-top:16px;border:1px solid #39534d;border-radius:11px;padding:13px}.teacher-details summary{cursor:pointer;font-weight:750}.teacher-details p{font-size:.82rem;color:#b5cbbf;margin-top:10px}.hidden{display:none!important}
@media(max-width:1070px){.stats{grid-template-columns:repeat(2,minmax(0,1fr))}.dashboard-grid{grid-template-columns:1fr}.intro{gap:22px}}
@media(max-width:760px){.intro{padding-top:28px;grid-template-columns:1fr}.visual{min-height:auto}.dash-layout{grid-template-columns:1fr}.side{display:flex;align-items:center;gap:3px;overflow:auto;border-right:0;border-bottom:1px solid var(--line);padding:10px;position:sticky;top:76px;z-index:10}.side-label,.side-note{display:none}.side a{margin:0;white-space:nowrap;padding:9px 12px}.dash-main{padding:22px 16px 45px}.welcome{flex-wrap:wrap}.question-layout{grid-template-columns:1fr}.question-head{padding-top:35px}.nav-actions .optional{display:none}.stats{gap:8px}.stat{padding:15px 12px}.ref-card{flex-direction:column;align-items:flex-start}.ref-card .btn{width:100%}}
@media(max-width:420px){.wrap{width:calc(100% - 24px)}.brand small{font-size:.58rem}.nav{min-height:68px}.nav-actions .btn{font-size:.7rem;padding:7px 9px}.stat .num{font-size:1.24rem}.question-card{padding:17px}.question-controls{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}}

.portfolio-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
@media(max-width:900px){.portfolio-grid{grid-template-columns:1fr}}