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components;@layer utilities{.collapse{visibility:collapse}.absolute{position:absolute}.fixed{position:fixed}.relative{position:relative}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.grid{display:grid}.hidden{display:none}.inline{display:inline}.inline-flex{display:inline-flex}.table{display:table}.h-full{height:100%}.min-h-full{min-height:100%}.transform{transform:var(--tw-rotate-x,) var(--tw-rotate-y,) var(--tw-rotate-z,) var(--tw-skew-x,) var(--tw-skew-y,)}.flex-col{flex-direction:column}.border{border-style:var(--tw-border-style);border-width:1px}.capitalize{text-transform:capitalize}.uppercase{text-transform:uppercase}.italic{font-style:italic}.outline{outline-style:var(--tw-outline-style);outline-width:1px}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--navy:#012b49;--navy-2:#123e67;--blue:#1e8ecd;--blue-dk:#187cbc;--paper:#fff;--stage:#f4f6f8;--ink:#1f2e3d;--ink-soft:#48586a;--muted:#7d8b99;--line:#dbe2e9;--good:#16a34a;--good-bg:#eef8f2;--bad:#b3261e;--bad-bg:#fdf0ef;--tint:#f2f8fc;--tint-line:#d3e7f4}*{box-sizing:border-box}html,body{height:100%}body{background:var(--stage);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:Segoe 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#012b4914}.site-head{border-bottom:1px solid var(--line);background:#fff}.site-head .inner{justify-content:space-between;align-items:center;height:64px;display:flex}.site-head img{width:auto;height:30px}.site-head nav{align-items:center;gap:8px;display:flex}.hero{background:linear-gradient(180deg, var(--navy-2), var(--navy));color:#fff;text-align:center;padding:72px 20px 64px}.hero .eyebrow{letter-spacing:.18em;text-transform:uppercase;color:#8ecbee;margin:0 0 14px;font-size:12px;font-weight:700}.hero h1{letter-spacing:-.02em;text-wrap:balance;max-width:820px;margin:0 auto;font-size:clamp(32px,5vw,56px);font-weight:800;line-height:1.06}.hero p{color:#ffffffe6;max-width:620px;margin:18px auto 0;font-size:clamp(17px,2vw,21px);line-height:1.4}.hero .cta{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:30px;display:flex}.eyebrow-dark{letter-spacing:.16em;text-transform:uppercase;color:var(--blue);font-size:12px;font-weight:700}.slide h2{color:var(--navy);letter-spacing:-.01em;text-wrap:balance;margin:0 0 4px;font-size:26px;font-weight:800}.slide .lead{color:var(--ink);white-space:pre-line;font-size:17px;line-height:1.6}.slide .callout{background:var(--tint);border:1px solid var(--tint-line);border-left:4px solid var(--blue);border-radius:8px;padding:14px 18px}.slide .callout b{color:var(--navy)}.choice{text-align:left;border:1.5px solid var(--line);cursor:pointer;background:#fff;border-radius:10px;width:100%;padding:14px 16px;font-size:15px;transition:border-color .12s,background .12s;display:block}.choice:hover{border-color:var(--blue)}.choice.correct{border-color:var(--good);background:var(--good-bg)}.choice.wrong{border-color:var(--bad);background:var(--bad-bg)}.choice:disabled{cursor:default}.pbar{background:#e2e8f0;border-radius:999px;height:6px;overflow:hidden}.pbar>div{background:var(--blue);height:100%;transition:width .4s}.field{flex-direction:column;gap:6px;display:flex}.field label{color:var(--ink-soft);font-size:13px;font-weight:600}.field input,.field select{box-sizing:border-box;border:1.5px solid var(--line);width:100%;min-width:0;color:var(--ink);background:#fff;border-radius:8px;padding:11px 13px;font-size:15px}.field input:focus{outline-offset:0;border-color:var(--blue);outline:3px solid #cfe7f6}.notice{border-radius:8px;padding:11px 14px;font-size:14px}.notice-error{background:var(--bad-bg);color:var(--bad);border:1px solid #f2cec9}.notice-info{background:var(--tint);color:var(--navy-2);border:1px solid var(--tint-line)}.muted{color:var(--muted)}.bullets{margin:0;padding-left:1.25rem;list-style:outside}.bullets li{color:var(--ink);margin:7px 0;line-height:1.5}.bullets li::marker{color:var(--blue)}.diagram{border:1px solid var(--line);background:#fff;border-radius:10px;margin:16px 0 2px;padding:14px;overflow-x:auto}.diagram svg{width:100%;min-width:480px;max-width:720px;height:auto;margin:0 auto;display:block}.examiner-box{border:1px solid var(--navy);color:var(--ink);background:#eef3f8;border-radius:8px;margin-top:14px;padding:12px 16px;font-size:14px;line-height:1.5}.examiner-box .examiner-tag{letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--navy);border-radius:999px;margin-right:8px;padding:2px 9px;font-size:11px;font-weight:800;display:inline-block}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}