:root{--b:#0b63f6;--b2:#42a6ff;--n:#061b3d;--ink:#162943;--m:#667991;--line:#dbe6f2;--soft:#f4f8fd;--ok:#14865e;--shadow:0 24px 70px rgba(12,48,96,.12)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;color:var(--ink);background:#f7faff;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit}.lh-nav{height:76px;position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:28px;padding:0 clamp(18px,5vw,74px);background:rgba(255,255,255,.88);backdrop-filter:blur(20px);border-bottom:1px solid rgba(219,230,242,.9)}.lh-brand{display:flex;align-items:center;gap:10px}.lh-brand img{width:42px;height:42px}.lh-brand span{display:grid;line-height:1}.lh-brand strong{color:var(--n);font-size:.92rem}.lh-brand 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img{width:38px;height:38px}.lh-course-row b{display:block;font-size:.64rem}.lh-course-row small{display:block;margin-top:2px;color:#8793a4;font-size:.53rem}.lh-course-row em{font-style:normal;padding:5px 7px;border-radius:999px;background:#edf5ff;color:#0b63f6;font-size:.52rem;font-weight:850}.lh-float{position:absolute;padding:10px 12px;border:1px solid #d9e5f1;border-radius:14px;background:#fff;box-shadow:0 14px 36px rgba(10,48,96,.15);font-size:.63rem;font-weight:850}.lh-float.one{left:-15px;top:45px}.lh-float.two{right:-18px;bottom:52px}.lh-float i{color:var(--b);margin-right:5px}.lh-section{padding:76px clamp(20px,7vw,112px)}.lh-section.alt{background:#fff}.lh-section-inner{max-width:1500px;margin:auto}.lh-section-head{max-width:850px;margin-bottom:34px}.lh-section-head .lh-kicker{margin-bottom:12px}.lh-section-head h2{margin:0;color:var(--n);font-size:clamp(2rem,4vw,3.6rem);line-height:1.03;letter-spacing:-.05em}.lh-section-head p{margin:12px 0 0;color:var(--m);line-height:1.7;font-size:.9rem}.lh-feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lh-card{padding:22px;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 10px 32px rgba(16,53,101,.06)}.lh-card .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:#edf5ff;color:var(--b)}.lh-card h3{margin:14px 0 7px;color:var(--n);font-size:1rem}.lh-card p{margin:0;color:var(--m);font-size:.74rem;line-height:1.65}.lh-number-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}.lh-number{padding:20px;border-radius:20px;background:linear-gradient(145deg,#071d42,#0b4ea8);color:#fff}.lh-number strong{display:block;font-size:2.2rem;letter-spacing:-.06em}.lh-number span{color:#b9d7ff;font-size:.66rem}.lh-price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.lh-price{position:relative;padding:24px;border:1px solid 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p{max-width:580px;color:#82a2c7;font-size:.68rem;line-height:1.6}.lh-footer-links{display:flex;gap:16px;flex-wrap:wrap}.lh-footer a{font-size:.65rem;font-weight:800}.lh-login-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(420px,.7fr);background:#f4f8fd}.lh-login-side{position:relative;overflow:hidden;padding:64px clamp(28px,6vw,90px);display:flex;flex-direction:column;justify-content:center;background:linear-gradient(145deg,#061a3b,#0a4aac 60%,#0b6fff);color:#fff}.lh-login-side:after{content:"";position:absolute;width:500px;height:500px;border-radius:50%;right:-220px;top:-190px;background:rgba(255,255,255,.1)}.lh-login-side>*{position:relative;z-index:1}.lh-login-side h1{max-width:650px;margin:16px 0;font-size:clamp(2.5rem,5vw,5rem);line-height:.98;letter-spacing:-.06em}.lh-login-side p{max-width:620px;color:#d5e8ff;line-height:1.7}.lh-login-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;max-width:600px;margin-top:24px}.lh-login-point{padding:12px;border:1px solid rgba(255,255,255,.14);border-radius:14px;background:rgba(255,255,255,.07);font-size:.68rem;font-weight:800}.lh-login-panel{display:grid;place-items:center;padding:28px}.lh-login-card{width:min(430px,100%)}.lh-login-brand{display:flex;align-items:center;gap:12px;margin-bottom:34px}.lh-login-brand img{width:54px;height:54px}.lh-login-brand span{display:grid}.lh-login-brand b{color:var(--n);font-size:1rem}.lh-login-brand small{color:var(--b);font-size:.62rem;font-weight:900;text-transform:uppercase;letter-spacing:.09em}.lh-login-card h2{margin:0;color:var(--n);font-size:1.7rem;letter-spacing:-.04em}.lh-login-card>p{color:var(--m);font-size:.75rem;line-height:1.6}.lh-login-card label{display:grid;gap:6px;margin-top:14px;color:#52677e;font-size:.68rem;font-weight:850}.lh-login-card input{width:100%;min-height:48px;padding:11px 13px;border:1px solid #d1dfed;border-radius:13px;background:#fff;outline:none}.lh-login-card input:focus{border-color:#79aff8;box-shadow:0 0 0 4px rgba(11,99,246,.09)}.lh-login-card button{width:100%;margin-top:18px}.lh-error{margin:13px 0;padding:11px;border:1px solid #f0ced5;border-radius:12px;background:#fff0f3;color:#9b3347;font-size:.7rem}.lh-back{display:block;margin-top:18px;text-align:center;color:var(--b);font-size:.69rem;font-weight:850}@media(max-width:980px){.lh-hero-grid,.lh-login-page{grid-template-columns:1fr}.lh-showcase{min-height:460px}.lh-window{inset:10px 4%}.lh-feature-grid,.lh-price-grid{grid-template-columns:repeat(2,1fr)}.lh-number-grid{grid-template-columns:repeat(2,1fr)}.lh-login-side{min-height:520px}.lh-login-panel{min-height:560px}}@media(max-width:720px){.lh-nav{height:66px;padding:0 14px}.lh-links a:not(.lh-btn){display:none}.lh-brand img{width:36px;height:36px}.lh-hero{padding:50px 17px 46px}.lh-hero-grid{gap:28px}.lh-hero h1{font-size:clamp(2.7rem,14vw,4.2rem)}.lh-showcase{min-height:420px}.lh-window{left:0;right:0}.lh-float{display:none}.lh-section{padding:54px 17px}.lh-feature-grid,.lh-price-grid,.lh-number-grid{grid-template-columns:1fr}.lh-footer{padding:36px 17px}.lh-footer-inner{grid-template-columns:1fr}.lh-login-side{display:none}.lh-login-panel{min-height:100vh;padding:24px 18px}.lh-login-points{grid-template-columns:1fr}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}}

/* Curalith Learning Hub public dark mode */
.lh-theme-toggle{width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;color:#254567;cursor:pointer}.lh-theme-toggle:hover{color:var(--b);border-color:#a9c8ee}
html[data-theme="dark"]{color-scheme:dark;--n:#eef6ff;--ink:#e7f0fc;--m:#9eb0c6;--line:#263c55;--soft:#0a1726;background:#06101d}
html[data-theme="dark"] body{background:#081321;color:#e7f0fc}
html[data-theme="dark"] .lh-nav{background:rgba(8,19,33,.90);border-color:#203349}
html[data-theme="dark"] .lh-brand strong,html[data-theme="dark"] .lh-section-head h2,html[data-theme="dark"] .lh-card h3,html[data-theme="dark"] .lh-price h3,html[data-theme="dark"] .lh-login-brand b,html[data-theme="dark"] .lh-login-card h2{color:#eef6ff}
html[data-theme="dark"] .lh-links a{color:#b6c8db}
html[data-theme="dark"] .lh-theme-toggle,html[data-theme="dark"] .lh-btn.secondary{background:#101f31;color:#dce9fa!important;border-color:#29415b}
html[data-theme="dark"] .lh-hero{background:linear-gradient(145deg,#081321 0%,#0c1d31 52%,#081321 100%)}
html[data-theme="dark"] .lh-kicker{background:rgba(20,42,67,.78);border-color:#2c4b6a}
html[data-theme="dark"] .lh-hero p,html[data-theme="dark"] .lh-proof span,html[data-theme="dark"] .lh-section-head p,html[data-theme="dark"] .lh-card p,html[data-theme="dark"] .lh-price p,html[data-theme="dark"] .lh-price li,html[data-theme="dark"] .lh-login-card>p,html[data-theme="dark"] .lh-login-card label{color:#9fb2c9}
html[data-theme="dark"] .lh-window,html[data-theme="dark"] .lh-mini,html[data-theme="dark"] .lh-course-row,html[data-theme="dark"] .lh-card,html[data-theme="dark"] .lh-price{background:#0f1c2c;border-color:#263b53;color:#eaf2ff}
html[data-theme="dark"] .lh-mini b{color:#e8f2ff}html[data-theme="dark"] .lh-mini small,html[data-theme="dark"] .lh-course-row small{color:#8fa3bc}
html[data-theme="dark"] .lh-float{background:#101f31;border-color:#29415b;color:#dce9fa}
html[data-theme="dark"] .lh-section.alt{background:#0b1725}
html[data-theme="dark"] .lh-login-page{background:#081321}
html[data-theme="dark"] .lh-login-card input{background:#101f31;border-color:#29415b;color:#eaf2ff}
html[data-theme="dark"] .lh-error{background:#2b1720;border-color:#5b2c3a;color:#ffb5c3}
@media(max-width:720px){.lh-theme-toggle{display:grid}}