:root{--bg:#0a1121;--deep-blue:#0b132b;--deep-blue-rgb:11, 19, 43;--card-gradient:linear-gradient(135deg, var(--deep-blue) 0%, #05101f 100%);--card-border:#c9a03d40;--dark-slate:#1c2e4a;--dark-slate-rgb:28, 46, 74;--light-bg-card:#13203a;--light-bg-card-rgb:19, 32, 58;--surface-hover:#1b2b48;--input-bg:#1f2c44;--input-border:#334155;--neutral-btn-bg:#4a5568;--overlay-rgb:255, 255, 255;--hero-bg-gradient:radial-gradient(circle at 80% 30%, #11233f, #050c18);--test-section-gradient:linear-gradient(135deg, #0d1830 0%, #091120 100%);--text-strong:#fff;--text-body:#eff3fc;--text-secondary:#d2e0f5;--text-muted:#b8c7e7;--text-faint:#8ca0c0;--text-light:#f0f4fa;--label-color:#c9d9f0;--gold-accent:#c9a03d;--gold-accent-rgb:201, 160, 61;--gold-light:#ddb451;--gold-dark:#b58c2e;--gold-pale:#f0d78c;--on-gold:var(--bg);--title-gradient:linear-gradient(135deg, #fff, var(--gold-accent) 80%);--teal-accent:#2f9b8f;--teal-accent-rgb:47, 155, 143;--teal-dark:#237b70;--success:#4caf7d;--success-rgb:76, 175, 125;--success-text:#7ee0ac;--success-text-light:#bdf5d8;--danger:#d16565;--danger-rgb:209, 101, 101;--danger-text:#f5c6c6;--info-rgb:99, 155, 255;--info-text:#9dc0ff;--level-text:#fff;--level-a1-bg:var(--neutral-btn-bg);--level-a2-bg:#2b6cb0;--level-b1-bg:#2f855a;--level-b2-bg:#d69e2e;--level-b2-text:#1a202c;--level-c1-bg:#dd6b20;--level-c2-bg:var(--gold-accent);--level-c2-text:var(--bg)}[data-theme=light]{--bg:#f4f6fb;--card-gradient:linear-gradient(135deg, #fff 0%, #eef1f9 100%);--card-border:#8a6d1f4d;--dark-slate:#dfe6f2;--dark-slate-rgb:223, 230, 242;--light-bg-card:#fff;--light-bg-card-rgb:255, 255, 255;--surface-hover:#eef2fa;--input-bg:#fff;--input-border:#c7d0e2;--overlay-rgb:10, 15, 30;--deep-blue-rgb:255, 255, 255;--text-light:#16213a;--hero-bg-gradient:radial-gradient(circle at 80% 30%, #fdf6e8, #f4f6fb);--test-section-gradient:linear-gradient(135deg, #eef1f9 0%, #e2e8f5 100%);--text-strong:#0b132b;--text-body:#16213a;--text-secondary:#33425e;--text-muted:#5b6b88;--text-faint:#7a89a3;--label-color:#33425e;--gold-accent:#8a6d1f;--gold-accent-rgb:138, 109, 31;--gold-light:#a8862c;--gold-dark:#6e5518;--gold-pale:#d9b96a;--title-gradient:linear-gradient(135deg, #16213a 0%, #8a6d1f 80%);--teal-accent:#237b70;--teal-accent-rgb:35, 123, 112;--teal-dark:#1a5c54;--success-text:#1f7a4d;--success-text-light:#1f7a4d;--danger-text:#a83232;--info-text:#2557a8}*{box-sizing:border-box;margin:0;padding:0}html{height:100%}html,body{max-width:100vw;overflow-x:hidden}body{background:var(--bg);min-height:100%;color:var(--text-body);scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.4}a{color:inherit}img{max-width:100%;height:auto}.container{max-width:1280px;margin:0 auto;padding:0 32px}@media (max-width:850px){.container{padding:0 24px}}.reveal{opacity:0;transition:opacity .7s cubic-bezier(.2,.9,.3,1.1),transform .7s;transform:translateY(28px)}.reveal.visible{opacity:1;transform:translateY(0)}.btn-primary{background:linear-gradient(105deg, var(--gold-accent) 0%, var(--gold-dark) 100%);color:var(--on-gold);letter-spacing:.3px;cursor:pointer;box-shadow:0 6px 14px rgba(var(--gold-accent-rgb), .2);border:none;border-radius:48px;padding:14px 34px;font-family:inherit;font-size:1rem;font-weight:700;text-decoration:none;transition:all .25s;display:inline-block}.btn-primary:hover{background:linear-gradient(105deg, var(--gold-light) 0%, var(--gold-accent) 100%);box-shadow:0 12px 22px rgba(var(--gold-accent-rgb), .3);transform:scale(1.02)}.btn-primary:disabled,.btn-primary:disabled:hover{opacity:.5;cursor:not-allowed;box-shadow:none;transform:none}.btn-primary.btn-teal{background:linear-gradient(105deg, var(--teal-accent) 0%, var(--teal-dark) 100%);box-shadow:0 4px 12px rgba(var(--teal-accent-rgb), .3)}.btn-primary.btn-neutral{background:var(--neutral-btn-bg);box-shadow:none}.section-title{letter-spacing:-.3px;border-left:5px solid var(--gold-accent);margin-bottom:48px;padding-left:20px;font-size:2.2rem;font-weight:600}@media (max-width:850px){.section-title{font-size:1.8rem}}.level-badge{border-radius:40px;margin:16px 0;padding:8px 24px;font-size:1.3rem;font-weight:700;display:inline-block}.level-A1{background:var(--level-a1-bg);color:var(--level-text)}.level-A2{background:var(--level-a2-bg);color:var(--level-text)}.level-B1{background:var(--level-b1-bg);color:var(--level-text)}.level-B2{background:var(--level-b2-bg);color:var(--level-b2-text)}.level-C1{background:var(--level-c1-bg);color:var(--level-text)}.level-C2{background:var(--level-c2-bg);color:var(--level-c2-text)}input,textarea{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-strong);border-radius:28px;padding:16px 20px;font-family:inherit;font-size:1rem;transition:all .2s}input:focus,textarea:focus{border-color:var(--gold-accent);box-shadow:0 0 0 2px rgba(var(--gold-accent-rgb), .3);outline:none}label{color:var(--label-color);margin-bottom:8px;font-weight:500;display:block}