:root{--navy: #060f24;--navy-2: #0c1c3c;--yellow: #ffc93c;--yellow-deep: #e0a800;--cream: #f4efe3;--muted: #9aa6c8;--line: rgba(255, 255, 255, .12);--card: #0e1b3a}*{box-sizing:border-box;margin:0;padding:0}body{font-family:Manrope,sans-serif;background:radial-gradient(900px 360px at 50% -15%,#102449 0%,transparent 60%),var(--navy);background-attachment:fixed;color:var(--cream);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}.wrap{max-width:720px;margin:0 auto;padding:0 20px 80px}.topbar{display:flex;align-items:center;justify-content:space-between;padding:22px 0;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:11px;font-weight:700;font-family:Fraunces,serif;font-size:18px;letter-spacing:.2px}.brand .dot{width:34px;height:34px;border-radius:50%;background:var(--yellow);color:var(--navy);display:grid;place-items:center;font-size:18px}.brand small{display:block;font-family:Manrope,sans-serif;font-weight:500;color:var(--yellow);font-size:10.5px;letter-spacing:1px;text-transform:uppercase}.eyebrow{font-size:12px;letter-spacing:1.5px;text-transform:uppercase;color:var(--yellow);font-weight:700;margin-bottom:12px}h1{font-family:Fraunces,serif;font-weight:500;font-size:36px;line-height:1.1;letter-spacing:-.4px;color:#fff}h2{font-family:Fraunces,serif;font-weight:500;font-size:23px;margin-bottom:4px;color:#fff}.lead{color:var(--muted);margin-top:12px;max-width:52ch}.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:26px;margin-top:26px}.home{position:relative}.home-content{position:relative;z-index:2}.hero-fig{display:none}.hero-fig-mobile{display:block;width:70%;max-width:300px;margin:8px auto 16px;filter:drop-shadow(0 16px 40px rgba(0,0,0,.5))}@media (min-width: 920px){.hero-fig{display:block;position:absolute;z-index:1;left:-560px;bottom:-40px;width:1000px;pointer-events:none;filter:drop-shadow(0 24px 60px rgba(0,0,0,.55))}.hero-fig-mobile{display:none}}label{display:block;font-weight:700;font-size:14px;margin-top:18px;color:var(--cream)}input{width:100%;font-family:Manrope;font-size:15px;color:var(--cream);background:#ffffff0d;border:1px solid var(--line);border-radius:11px;padding:13px 15px;margin-top:7px}input::placeholder{color:var(--muted);opacity:.7}input:focus{outline:none;border-color:var(--yellow)}.btn{font-family:Manrope;font-weight:700;font-size:15px;cursor:pointer;border:none;background:var(--yellow);color:var(--navy);padding:14px 26px;border-radius:12px;margin-top:22px;transition:.2s}.btn:hover{background:var(--yellow-deep)}.btn:disabled{opacity:.4;cursor:not-allowed}.btn.ghost{background:transparent;border:1px solid var(--line);color:var(--cream);margin:0;padding:8px 16px;font-size:13px}.btn.ghost:hover{background:#ffffff0f}.msg{margin-top:14px;font-size:14px;color:var(--muted)}.msg.err{color:#ff8a9b;font-weight:600}.counter{display:inline-flex;align-items:center;gap:10px;background:var(--yellow);color:var(--navy);border-radius:30px;padding:8px 16px;font-size:13px;font-weight:700;margin-top:8px}.counter b{color:var(--navy)}.problem{border:1px solid var(--line);border-radius:13px;padding:16px 18px;margin-top:12px;background:#ffffff08;animation:fade .4s ease both}.problem .num{font-family:Fraunces,serif;font-weight:600;color:var(--yellow);font-size:14px}.problem .txt{font-size:15px;font-weight:600;margin:4px 0 8px;color:var(--cream)}.problem .meta{font-size:12.5px;color:var(--muted)}.problem .meta b{color:var(--cream)}.tip{background:#ffc93c1a;border:1px solid var(--yellow);border-radius:13px;padding:16px 18px;margin-top:18px;font-size:14px;color:var(--cream)}@keyframes fade{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}