@import url("https://fonts.googleapis.com/css2?family=DM+Serif+Display:ital@0;1&family=Inter:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500&display=swap");:root{--ink:#0a0a0b;--ink-900:#111113;--ink-800:#1a1b1f;--ink-700:#26272d;--ink-600:#3a3b42;--ink-500:#52535b;--ink-400:#7a7b84;--ink-300:#a8a9b0;--ink-200:#d4d5d9;--ink-100:#eeeef0;--ink-50:#f7f7f8;--hlt-blue:#155eef;--hlt-blue-hover:#1249c4;--hlt-blue-press:#0e3aa0;--hlt-blue-light:#eef4ff;--hlt-blue-50:#eef4ff;--hlt-blue-100:#dce7fe;--hlt-blue-200:#b4ccfc;--hlt-blue-300:#7fa8f8;--hlt-blue-400:#4884f4;--hlt-blue-500:#155eef;--hlt-blue-600:#1249c4;--hlt-blue-700:#0e3aa0;--hlt-blue-900:#0b2e8a;--hlt-orange:#f79009;--hlt-orange-hover:#dc7805;--hlt-orange-press:#b85f03;--hlt-orange-50:#fffaeb;--hlt-orange-100:#fef0c7;--hlt-orange-200:#fedf89;--hlt-orange-300:#fec84b;--hlt-orange-400:#fdb022;--hlt-orange-500:#f79009;--hlt-orange-600:#dc6803;--hlt-orange-700:#b54708;--hlt-cyan:#1fb2c6;--hlt-cyan-hover:#1895a5;--hlt-cyan-50:#f0fbfd;--hlt-cyan-100:#d7f3f8;--hlt-cyan-200:#afe5ee;--hlt-cyan-300:#6dd0e0;--hlt-cyan-400:#3ebdd2;--hlt-cyan-500:#1fb2c6;--hlt-cyan-600:#1895a5;--hlt-cyan-700:#127884;--rich-black:var(--ink);--body-gray:#475569;--muted-gray:#94a3b8;--subtle-gray:#64748b;--border-gray:#e4e6eb;--border-light:#f1f2f5;--light-gray:#f7f7f8;--white:#ffffff;--success:#17b26a;--success-50:#ecfdf3;--success-100:#dcfae6;--success-600:#079455;--success-700:#067647;--warning:var(--hlt-orange);--error:#f04438;--error-50:#fef3f2;--error-100:#fee4e2;--error-600:#d92d20;--error-700:#b42318;--confidence-dont:#f04438;--confidence-dont-bg:#fef3f2;--confidence-somewhat:#f79009;--confidence-somewhat-bg:#fffaeb;--confidence-know:#17b26a;--confidence-know-bg:#ecfdf3;--product-nclex-rn:var(--hlt-blue);--product-nclex-pn:#7c3aed;--product-teas:var(--hlt-cyan);--product-hesi-a2:#0ea5e9;--product-fnp:#00bced;--product-agnp:#2563eb;--product-pmhnp:#059669;--product-acls:#dc2626;--product-bls:#e11d48;--product-pals:#f59e0b;--product-pance:#0891b2;--product-panre:#0d9488;--product-mcat:#6366f1;--product-dat:#9333ea;--product-oat:#a21caf;--product-asvab:#b45309;--product-cen:#047857;--product-cpc:#475569;--product-ccrn:#7c2d12;--product-cma:#9a3412;--background:var(--white);--surface:var(--white);--surface-muted:var(--ink-50);--surface-ink:var(--ink);--surface-ink-soft:var(--ink-800);--foreground:var(--ink);--foreground-on-ink:#fafafa;--body-foreground:var(--body-gray);--muted-foreground:var(--muted-gray);--card:var(--white);--card-foreground:var(--ink);--primary:var(--hlt-blue);--primary-foreground:var(--white);--secondary:var(--ink-50);--secondary-foreground:var(--ink);--accent:var(--hlt-orange);--accent-foreground:var(--ink);--destructive:var(--error);--destructive-foreground:var(--white);--border:var(--border-gray);--border-subtle:var(--border-light);--input:var(--border-gray);--ring:var(--hlt-blue);--radius:0.625rem;--radius-sm:0.375rem;--radius-md:0.5rem;--radius-lg:0.75rem;--radius-xl:1rem;--radius-2xl:1.25rem;--radius-3xl:1.75rem;--radius-full:9999px;--space-0:0;--space-1:0.25rem;--space-2:0.5rem;--space-3:0.75rem;--space-4:1rem;--space-5:1.25rem;--space-6:1.5rem;--space-8:2rem;--space-10:2.5rem;--space-12:3rem;--space-16:4rem;--space-20:5rem;--space-24:6rem;--container:1280px;--container-narrow:1120px;--shadow-xs:0 1px 2px rgba(10,10,11,0.04);--shadow-sm:0 1px 3px rgba(10,10,11,0.06),0 1px 2px rgba(10,10,11,0.04);--shadow-md:0 4px 6px -1px rgba(10,10,11,0.06),0 2px 4px -2px rgba(10,10,11,0.04);--shadow-lg:0 10px 15px -3px rgba(10,10,11,0.08),0 4px 6px -4px rgba(10,10,11,0.04);--shadow-xl:0 20px 25px -5px rgba(10,10,11,0.08),0 8px 10px -6px rgba(10,10,11,0.04);--shadow-2xl:0 25px 50px -12px rgba(10,10,11,0.12),0 12px 25px -8px rgba(10,10,11,0.08);--shadow-cta:0 4px 12px rgba(21,94,239,0.25);--shadow-cta-hi:0 6px 20px rgba(21,94,239,0.35);--shadow-fab:0 8px 20px rgba(247,144,9,0.3);--shadow-ink:0 12px 40px -10px rgba(10,10,11,0.4);--shadow-glow-mira:0 0 0 6px rgba(21,94,239,0.1),0 0 24px rgba(21,94,239,0.2);--gradient-hero-blue:linear-gradient(135deg,#0b2e8a,#155eef 55%,#4884f4);--gradient-hero-ink:linear-gradient(180deg,#0a0a0b,#1a1b1f);--gradient-app-cyan:linear-gradient(135deg,#3ebdd2,#1fb2c6);--gradient-mira:conic-gradient(from 200deg,#155eef,#4884f4,#1fb2c6,#155eef);--gradient-warm-fade:linear-gradient(180deg,#fffaeb,#ffffff 60%);--duration-fast:120ms;--duration-base:180ms;--duration-slow:260ms;--duration-slower:420ms;--ease-standard:cubic-bezier(0.2,0,0,1);--ease-emphasis:cubic-bezier(0.3,0,0.1,1);--ease-spring:cubic-bezier(0.34,1.56,0.64,1);--font-sans:"Inter","Inter Fallback",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;--font-serif:"DM Serif Display","Times New Roman",Georgia,serif;--font-mono:"JetBrains Mono",ui-monospace,"SFMono-Regular",Menlo,monospace;--text-xs:0.75rem;--text-sm:0.875rem;--text-base:1rem;--text-lg:1.0625rem;--text-xl:1.125rem;--text-2xl:1.375rem;--text-3xl:1.75rem;--text-4xl:2rem;--text-5xl:2.75rem;--text-6xl:3.5rem;--text-7xl:4.5rem;--leading-tight:1.1;--leading-snug:1.3;--leading-normal:1.5;--leading-relaxed:1.65;--leading-loose:1.8;--tracking-tightest:-0.04em;--tracking-tight:-0.03em;--tracking-snug:-0.025em;--tracking-normal:-0.011em;--tracking-wide:0.05em;--tracking-wider:0.1em;--tracking-widest:0.18em}:root[data-theme=dark],[data-theme=dark]{color-scheme:dark;--background:#0a0a0b;--surface:#111113;--surface-muted:#17181c;--surface-ink:#000000;--surface-ink-soft:#17181c;--card:#17181c;--card-foreground:#f5f5f7;--white:#17181c;--foreground:#f5f5f7;--foreground-on-ink:#f5f5f7;--body-foreground:#b8b9c0;--body-gray:#b8b9c0;--muted-foreground:#8a8b93;--muted-gray:#8a8b93;--subtle-gray:#7a7b84;--rich-black:#f5f5f7;--border:rgba(255,255,255,0.1);--border-subtle:rgba(255,255,255,0.06);--border-gray:rgba(255,255,255,0.1);--border-light:rgba(255,255,255,0.06);--input:rgba(255,255,255,0.14);--primary:#3d7aff;--hlt-blue:#3d7aff;--hlt-blue-hover:#5b8fff;--hlt-blue-press:#7fa8f8;--hlt-blue-light:rgba(61,122,255,0.16);--hlt-blue-50:rgba(61,122,255,0.14);--hlt-blue-100:rgba(61,122,255,0.22);--accent:var(--hlt-orange);--shadow-xs:0 1px 2px rgba(0,0,0,0.4);--shadow-sm:0 1px 3px rgba(0,0,0,0.45),0 1px 2px rgba(0,0,0,0.35);--shadow-md:0 4px 10px -2px rgba(0,0,0,0.5);--shadow-lg:0 12px 28px -6px rgba(0,0,0,0.55);--shadow-xl:0 20px 40px -10px rgba(0,0,0,0.6);--shadow-2xl:0 30px 60px -20px rgba(0,0,0,0.7);--shadow-cta:0 4px 14px rgba(61,122,255,0.35);--shadow-cta-hi:0 6px 24px rgba(61,122,255,0.5);--shadow-fab:0 8px 24px rgba(247,144,9,0.4);--shadow-ink:0 12px 40px -10px rgba(0,0,0,0.6);--shadow-glow-mira:0 0 0 6px rgba(61,122,255,0.14),0 0 24px rgba(61,122,255,0.3);--gradient-hero-blue:linear-gradient(135deg,#0a1f5c,#1249c4 55%,#3d7aff);--gradient-hero-ink:linear-gradient(180deg,#000000,#17181c);--gradient-warm-fade:linear-gradient(180deg,#17181c,#0a0a0b 60%);--light-gray:#17181c}@media (prefers-color-scheme:dark){:root[data-theme=auto],[data-theme=auto]{color-scheme:dark;--background:#0a0a0b;--surface:#111113;--surface-muted:#17181c;--surface-ink:#000000;--card:#17181c;--card-foreground:#f5f5f7;--foreground:#f5f5f7;--body-foreground:#b8b9c0;--body-gray:#b8b9c0;--muted-foreground:#8a8b93;--muted-gray:#8a8b93;--border:rgba(255,255,255,0.1);--border-subtle:rgba(255,255,255,0.06);--border-gray:rgba(255,255,255,0.1);--border-light:rgba(255,255,255,0.06);--hlt-blue:#3d7aff;--hlt-blue-hover:#5b8fff;--primary:#3d7aff;--light-gray:#17181c;--white:#17181c}}body,html{transition:background-color var(--duration-base,.18s) var(--ease-standard,ease),color var(--duration-base,.18s) var(--ease-standard,ease)}html{-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility}.hlt-body,body{font-family:var(--font-sans);font-size:var(--text-base);line-height:var(--leading-normal);letter-spacing:var(--tracking-normal);color:var(--foreground);background:var(--background);font-feature-settings:"cv11","ss01"}.hlt-serif{font-family:var(--font-serif);font-weight:400;letter-spacing:-.015em}.hlt-mastery-mark{line-height:1}.hlt-editorial,.hlt-mastery-mark{font-family:var(--font-serif);font-weight:400;letter-spacing:-.02em}.hlt-editorial{font-size:clamp(3rem,6vw,var(--text-7xl));line-height:1.02;color:var(--foreground)}.hlt-hero{font-size:clamp(2.5rem,5vw,var(--text-6xl));line-height:var(--leading-tight)}.hlt-h1,.hlt-hero,h1{font-family:var(--font-sans);font-weight:700;letter-spacing:var(--tracking-tight);color:var(--foreground);text-wrap:balance}.hlt-h1,h1{font-size:var(--text-5xl);line-height:1.08;margin:0}.hlt-h2,h2{font-weight:700;font-size:var(--text-4xl);line-height:var(--leading-snug);letter-spacing:var(--tracking-snug);text-wrap:balance}.hlt-h2,.hlt-h3,h2,h3{font-family:var(--font-sans);color:var(--foreground);margin:0}.hlt-h3,h3{font-weight:600;font-size:var(--text-2xl);line-height:1.35;letter-spacing:-.02em}.hlt-h4,h4{font-family:var(--font-sans);font-weight:600;font-size:var(--text-xl);line-height:var(--leading-snug);color:var(--foreground);margin:0}.hlt-lede{font-size:var(--text-xl);line-height:var(--leading-relaxed);max-width:62ch}.hlt-lede,.hlt-p,p{color:var(--body-gray);text-wrap:pretty}.hlt-p,p{font-size:var(--text-base);line-height:var(--leading-normal);margin:0}.hlt-article{font-size:var(--text-lg);line-height:var(--leading-loose);color:var(--body-gray);max-width:720px}.hlt-eyebrow{font-size:var(--text-xs);font-weight:600;letter-spacing:var(--tracking-wider);text-transform:uppercase;color:var(--primary)}.hlt-eyebrow--muted{color:var(--muted-foreground)}.hlt-eyebrow--ink{color:var(--ink-500)}.hlt-eyebrow--onink{color:rgba(255,255,255,.6)}.hlt-overline{font-size:.6875rem;font-weight:700;letter-spacing:var(--tracking-widest);text-transform:uppercase}.hlt-meta,.hlt-overline{color:var(--muted-foreground)}.hlt-meta{font-size:.8125rem;font-weight:400}.hlt-number{font-family:var(--font-sans);font-feature-settings:"tnum","cv11";font-variant-numeric:tabular-nums;letter-spacing:-.02em;font-weight:700}.hlt-mono,code{font-family:var(--font-mono);font-size:.875em;background:var(--border-light);color:var(--foreground);padding:.125rem .375rem;border-radius:var(--radius-sm)}.hlt-link,a{color:var(--primary);text-decoration:none;font-weight:500;transition:color var(--duration-base) var(--ease-standard)}.hlt-link:hover,a:hover{color:var(--hlt-blue-hover)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:var(--font-sans);font-weight:600;line-height:1;border:0;cursor:pointer;border-radius:var(--radius-lg);padding:12px 20px;font-size:14px;transition:all var(--duration-base) var(--ease-standard);letter-spacing:-.005em;text-decoration:none;white-space:nowrap}.btn--primary{background:var(--hlt-blue);color:#fff;box-shadow:var(--shadow-cta)}.btn--primary:hover{background:var(--hlt-blue-hover);box-shadow:var(--shadow-cta-hi);transform:translateY(-1px)}.btn--primary:active{background:var(--hlt-blue-press);box-shadow:none;transform:none}.btn--ink{background:var(--ink);color:#fff}.btn--ink:hover{background:var(--ink-700)}.btn--secondary{background:#fff;color:var(--foreground);border:1px solid var(--border-gray)}.btn--secondary:hover{border-color:var(--ink-300);background:var(--ink-50)}.btn--ghost{background:transparent;color:var(--hlt-blue)}.btn--ghost:hover{color:var(--hlt-blue-hover);background:var(--hlt-blue-50)}.btn--accent{background:var(--hlt-orange);color:#fff;box-shadow:var(--shadow-fab)}.btn--accent:hover{background:var(--hlt-orange-hover)}.btn--sm{padding:8px 14px;font-size:13px;border-radius:var(--radius-md)}.btn--lg{padding:14px 24px;font-size:15px;border-radius:var(--radius-lg)}.btn--xl{padding:18px 32px;font-size:16px;border-radius:var(--radius-xl)}::selection{background-color:rgba(21,94,239,.14)}:focus-visible{outline:2px solid var(--hlt-blue);outline-offset:2px;border-radius:var(--radius-sm)}.surface-ink{background:var(--ink);color:var(--foreground-on-ink)}.surface-ink *{color:inherit}.surface-muted{background:var(--surface-muted)}.surface-warm{background:var(--gradient-warm-fade)}.surface-hairline{border-top:1px solid var(--border-subtle)}