@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2c55a0e60120577a-s.03ez25a9g3i0n.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/9c72aa0f40e4eef8-s.3i9rha7jpxn0q.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/ad66f9afd8947f86-s.2o7ko1d-5m1xu.woff2)format("woff2");unicode-range:U+1F??}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/5476f68d60460930-s.1ee5w62fj497l.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/2bbe8d2671613f1f-s.1way2z9fj6cig.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/1bffadaabf893a1e-s.0szrwpqb9mkwe.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Inter;font-style:normal;font-weight:100 900;font-display:swap;src:url(../media/83afe278b6a6bb3c-s.p.45535valc9rzk.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Inter Fallback;src:local(Arial);ascent-override:90.44%;descent-override:22.52%;line-gap-override:0.0%;size-adjust:107.12%}.inter_c15e96cb-module__0bjUvq__className{font-family:Inter,Inter Fallback;font-style:normal}.inter_c15e96cb-module__0bjUvq__variable{--font-inter:"Inter", "Inter Fallback"}
@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/04c5164763c40239-s.1zakzi6q17d4o.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/26f284dcc38c84c0-s.2htf8h-pf57mm.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/7e7f32a39836f228-s.3skwie1wjplzh.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/fa39153a3fc630ba-s.3zhbgtelpa5ua.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/6a5386fd6038edbe-s.3vf5yzuqk3fsd.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:400;font-display:swap;src:url(../media/051742360c26797e-s.p.1wmoa0e_blxrz.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/04c5164763c40239-s.1zakzi6q17d4o.woff2)format("woff2");unicode-range:U+460-52F,U+1C80-1C8A,U+20B4,U+2DE0-2DFF,U+A640-A69F,U+FE2E-FE2F}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/26f284dcc38c84c0-s.2htf8h-pf57mm.woff2)format("woff2");unicode-range:U+301,U+400-45F,U+490-491,U+4B0-4B1,U+2116}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/7e7f32a39836f228-s.3skwie1wjplzh.woff2)format("woff2");unicode-range:U+370-377,U+37A-37F,U+384-38A,U+38C,U+38E-3A1,U+3A3-3FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/fa39153a3fc630ba-s.3zhbgtelpa5ua.woff2)format("woff2");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/6a5386fd6038edbe-s.3vf5yzuqk3fsd.woff2)format("woff2");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:JetBrains Mono;font-style:normal;font-weight:500;font-display:swap;src:url(../media/051742360c26797e-s.p.1wmoa0e_blxrz.woff2)format("woff2");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:JetBrains Mono Fallback;src:local(Arial);ascent-override:75.79%;descent-override:22.29%;line-gap-override:0.0%;size-adjust:134.59%}.jetbrains_mono_ec76ef60-module__y36ooG__className{font-family:JetBrains Mono,JetBrains Mono Fallback;font-style:normal}.jetbrains_mono_ec76ef60-module__y36ooG__variable{--font-mono:"JetBrains Mono", "JetBrains Mono Fallback"}
:root{--ink:#16232e;--ink-soft:#3d4a54;--muted:#6b7680;--hint:#9aa3aa;--paper:#f7f8fa;--card:#fff;--line:#dfe3e9;--line-strong:#c4cbd4;--blue:#1857d1;--blue-dark:#123e9e;--blue-tint:#e7effc;--clay:#b0432b;--clay-tint:#faece7;--amber:#854f0b;--amber-tint:#faeeda;--radius:10px;--radius-lg:16px;--serif:var(--font-inter), -apple-system, Helvetica, Arial, sans-serif;--sans:var(--font-inter), -apple-system, Helvetica, Arial, sans-serif;--mono:var(--font-mono), ui-monospace, "SF Mono", Menlo, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;line-height:1.5}h1,h2,h3{font-family:var(--serif);color:var(--ink);letter-spacing:-.01em;margin:0 0 .5em;font-weight:600}p{color:var(--ink-soft);margin:0 0 1em}a{color:var(--blue-dark)}button{font-family:var(--sans);cursor:pointer}.wrap{max-width:1080px;margin:0 auto;padding:0 24px}.narrow{max-width:640px;margin:0 auto;padding:0 24px}.topbar{z-index:50;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-bottom:1px solid var(--line);background:#f5f6f3eb;position:sticky;top:0}.topbar-inner{justify-content:space-between;align-items:center;max-width:1080px;margin:0 auto;padding:14px 24px;display:flex}.logo{font-family:var(--serif);letter-spacing:-.01em;color:var(--ink);cursor:pointer;align-items:center;gap:8px;font-size:19px;font-weight:600;display:flex}.logo .dot{background:var(--blue);border-radius:50%;width:8px;height:8px;display:inline-block}.nav-links{align-items:center;gap:28px;display:flex}.nav-link{font-family:var(--mono);letter-spacing:.02em;text-transform:uppercase;color:var(--ink-soft);cursor:pointer;background:0 0;border:none;padding:0;font-size:12.5px;text-decoration:none}.nav-link:hover{color:var(--ink)}.btn{border-radius:var(--radius);border:1px solid var(--ink);background:var(--ink);color:#fff;justify-content:center;align-items:center;gap:8px;padding:12px 22px;font-size:15px;font-weight:500;transition:opacity .15s;display:inline-flex}.btn:hover{opacity:.85}.btn-outline{color:var(--ink);border:1px solid var(--line-strong);background:0 0}.btn-outline:hover{background:var(--card);opacity:1}.btn-blue{background:var(--blue);border-color:var(--blue)}.btn-block{width:100%}.btn-sm{border-radius:8px;padding:8px 14px;font-size:13px}.btn-danger-outline{border:1px solid var(--clay);color:var(--clay);background:0 0}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px}.card-flat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}.hero{padding:72px 0 56px}.hero-grid{grid-template-columns:1.1fr .9fr;align-items:center;gap:56px;display:grid}.eyebrow{font-family:var(--mono);color:var(--blue-dark);letter-spacing:.03em;text-transform:uppercase;margin-bottom:16px;font-size:12px;font-weight:500}.hero h1{letter-spacing:-.015em;max-width:540px;font-size:46px;line-height:1.14}.hero h1 em{color:var(--blue-dark);font-style:italic;font-weight:400}.coords{font-family:var(--mono);color:var(--muted);letter-spacing:.04em;margin-top:22px;font-size:11px}.hero .lead{max-width:460px;color:var(--ink-soft);font-size:17px}.hero-cta{flex-wrap:wrap;gap:12px;margin-top:26px;display:flex}.transform-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);padding:28px;position:relative}.transform-row{border-bottom:1px solid var(--line);align-items:flex-start;gap:14px;padding:14px 0;display:flex}.transform-row:last-child{border-bottom:none}.t-label{font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.03em;word-break:break-word;flex-shrink:0;width:104px;min-width:104px;padding-top:2px;font-size:10.5px;line-height:1.4}.t-value{color:var(--ink);font-size:16px}.t-value.term{font-family:var(--serif);font-size:19px;font-weight:600}.t-value.quote{color:var(--ink-soft);font-style:italic}.section{padding:56px 0}.section-head{max-width:560px;margin-bottom:34px}.section-head h2{font-size:30px}.section-head h2 em{color:var(--blue-dark);font-style:italic;font-weight:400}.section-num{font-family:var(--mono);color:var(--muted);letter-spacing:.03em;text-transform:uppercase;margin-bottom:12px;font-size:12px}.arrow-link{font-family:var(--mono);color:var(--ink);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:13px;text-decoration:none;display:inline-flex}.arrow-link:hover{color:var(--blue-dark)}.arrow-link .arr{transition:transform .15s}.arrow-link:hover .arr{transform:translate(2px,-2px)}.grid-3{grid-template-columns:repeat(3,1fr);gap:18px;display:grid}.grid-2{grid-template-columns:1fr 1fr;gap:18px;display:grid}.feature-card{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);padding:22px}.feature-card h3{margin-bottom:8px;font-size:17px}.feature-card p{margin:0;font-size:14px}.divider{background:var(--line);border:none;height:1px;margin:0}.pricing-grid{grid-template-columns:repeat(3,1fr);gap:16px;display:grid}.plan{border:1px solid var(--line);border-radius:var(--radius-lg);background:var(--card);flex-direction:column;padding:26px;display:flex}.plan.featured{border:2px solid var(--blue);position:relative}.plan-badge{background:var(--blue);color:#fff;border-radius:20px;padding:3px 10px;font-size:11px;font-weight:500;position:absolute;top:-11px;left:20px}.plan-name{font-family:var(--mono);letter-spacing:.03em;text-transform:uppercase;color:var(--muted);margin-bottom:6px;font-size:12.5px}.plan-price{font-family:var(--serif);margin-bottom:2px;font-size:32px;font-weight:600}.plan-period{color:var(--muted);margin-bottom:4px;font-size:13px}.plan-weekly-equiv{color:var(--blue-dark);margin-bottom:16px;font-size:12px}.plan-features{color:var(--ink-soft);flex:1;margin:0 0 20px;padding:0;font-size:13.5px;list-style:none}.plan-features li{gap:8px;padding:6px 0;display:flex}.plan-features li:before{content:"✓";color:var(--blue);font-weight:600}.cat-grid{grid-template-columns:repeat(3,1fr);gap:10px;display:grid}.cat-pill{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);cursor:pointer;padding:12px 14px;font-size:13.5px}.cat-pill:hover{border-color:var(--line-strong)}.faq-item{border-bottom:1px solid var(--line);padding:18px 0}.faq-item summary{cursor:pointer;font-size:15px;font-weight:500;list-style:none}.faq-item summary::-webkit-details-marker{display:none}.faq-item[open] summary{margin-bottom:8px}.faq-item p{margin:0;font-size:14px}.app-shell{min-height:60vh;padding-bottom:90px}.app-header{justify-content:space-between;align-items:center;padding:20px 0 6px;display:flex}.stat-row{grid-template-columns:repeat(4,1fr);gap:10px;margin:18px 0;display:grid}.stat-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}.stat-num{font-family:var(--serif);font-size:22px;font-weight:600}.stat-label{font-family:var(--mono);letter-spacing:.02em;color:var(--muted);font-size:11px}.tabbar{-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);border-top:1px solid var(--line);z-index:60;background:#fffffff5;display:flex;position:fixed;bottom:0;left:0;right:0}.tab-item{text-align:center;color:var(--muted);background:0 0;border:none;flex-direction:column;flex:1;align-items:center;gap:3px;padding:10px 4px 12px;font-size:11px;display:flex}.tab-item.active{color:var(--blue-dark)}.tab-icon{font-size:18px}.progress-bar-track{background:var(--line);border-radius:6px;height:5px;margin-bottom:26px;overflow:hidden}.progress-bar-fill{background:var(--blue);height:100%;transition:width .3s}.question-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);text-align:center;padding:30px 26px}.question-kicker{font-family:var(--mono);color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:14px;font-size:11.5px}.question-term{font-family:var(--serif);margin-bottom:6px;font-size:26px;font-weight:600}.question-sub{color:var(--muted);margin-bottom:24px;font-size:14px}.options{text-align:left;flex-direction:column;gap:10px;display:flex}.option-btn{border-radius:var(--radius);border:1px solid var(--line-strong);background:var(--card);text-align:left;color:var(--ink);padding:14px 16px;font-size:15px}.option-btn:hover{border-color:var(--ink-soft)}.option-btn.correct{border-color:var(--blue);background:var(--blue-tint);color:var(--blue-dark);font-weight:500}.option-btn.wrong{border-color:var(--clay);background:var(--clay-tint);color:var(--clay);font-weight:500}.option-btn:disabled{cursor:default}.flash-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);text-align:center;flex-direction:column;justify-content:center;min-height:200px;padding:36px 28px;display:flex}.flash-term{font-family:var(--serif);font-size:28px;font-weight:600}.flash-hint{color:var(--muted);margin-top:16px;font-size:12px}.flash-answer{border-top:1px solid var(--line);text-align:left;margin-top:20px;padding-top:20px}.flash-answer .a-label{text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-top:12px;font-size:11px}.flash-answer .a-val{color:var(--ink);font-size:15px}.judge-row{gap:10px;margin-top:22px;display:flex}.judge-btn{border-radius:var(--radius);border:1px solid var(--line-strong);flex:1;padding:13px;font-size:14px;font-weight:500}.judge-wrong{color:var(--clay);border-color:var(--clay)}.judge-right{color:var(--blue-dark);border-color:var(--blue)}.field{margin-bottom:16px}.field label{color:var(--ink-soft);margin-bottom:6px;font-size:13px;display:block}.field input{border:1px solid var(--line-strong);border-radius:var(--radius);background:#fff;width:100%;padding:12px 14px;font-size:15px}.field input:focus{outline:2px solid var(--blue);outline-offset:1px;border-color:var(--blue)}.err-text{color:var(--clay);margin-top:6px;font-size:12.5px}.search-input{border:1px solid var(--line-strong);border-radius:var(--radius-lg);background:#fff;width:100%;padding:13px 16px;font-size:15px}.term-row{border:1px solid var(--line);border-radius:var(--radius);background:var(--card);cursor:pointer;margin-bottom:10px;padding:14px 16px}.term-row:hover{border-color:var(--line-strong)}.term-row .tr-main{font-family:var(--serif);font-size:16px;font-weight:600}.term-row .tr-sub{color:var(--muted);font-size:13px}.badge{font-family:var(--mono);letter-spacing:.02em;background:var(--blue-tint);color:var(--blue-dark);border-radius:20px;padding:3px 9px;font-size:10.5px;font-weight:500;display:inline-block}.badge-cat{background:var(--paper);border:1px solid var(--line);color:var(--ink-soft)}.empty-state{text-align:center;color:var(--muted);padding:50px 20px}.empty-state .es-emoji{margin-bottom:10px;font-size:30px}.locked-banner{background:var(--amber-tint);border:1px solid var(--amber);border-radius:var(--radius);color:var(--amber);margin-bottom:20px;padding:16px 18px;font-size:14px}.footer{border-top:1px solid var(--line);margin-top:40px;padding:36px 0}.footer-links{font-family:var(--mono);letter-spacing:.02em;color:var(--muted);flex-wrap:wrap;align-items:center;gap:20px;font-size:12px;display:flex}.footer-links a{color:var(--muted);text-transform:uppercase;text-decoration:none}.footer-links .small-muted{font-family:var(--sans);text-transform:none}.small-muted{color:var(--muted);font-size:12.5px}.toast{background:var(--ink);color:#fff;z-index:80;opacity:0;pointer-events:none;border-radius:20px;padding:10px 18px;font-size:13.5px;transition:opacity .2s;position:fixed;bottom:96px;left:50%;transform:translate(-50%)}.toast.show{opacity:1}@media (max-width:760px){.hero-grid{grid-template-columns:1fr;gap:32px}.hero h1{font-size:32px}.grid-3,.grid-2,.pricing-grid{grid-template-columns:1fr}.cat-grid,.stat-row{grid-template-columns:1fr 1fr}.nav-links{display:none}}