:root{--ink:#0a0818;--ink-deep:#070512;--ink-hero:#06050f;--violet:#551FAA;--lavender:#976ADF;--lilac:#c4a0f0;--white:#ffffff;--white-hi:rgba(255,255,255,0.97);--white-md:rgba(255,255,255,0.90);--border:rgba(85,31,170,0.28)}
.lp-hero{position:relative;width:100%;min-height:clamp(280px,45vw,480px);overflow:hidden;display:flex;align-items:flex-end}
.lp-hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.lp-hero-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(6,5,15,0.98) 0%,rgba(6,5,15,0.45) 45%,rgba(6,5,15,0.15) 100%)}
.lp-hero-content{position:relative;z-index:2;width:100%;max-width:960px;margin:0 auto;padding:clamp(32px,5vw,56px) clamp(24px,6vw,72px)}
.lp-hero-eyebrow{font-size:clamp(12px,1.4vw,16px);font-weight:300;letter-spacing:4px;text-transform:uppercase;color:var(--lilac);margin-bottom:10px}
.lp-hero-title{font-family:'Josefin Sans',sans-serif;font-weight:200;font-size:clamp(26px,4.5vw,54px);color:var(--white);letter-spacing:clamp(3px,0.7vw,9px);text-transform:uppercase;line-height:1.1}
.lp-section{width:100%;padding:clamp(48px,7vw,88px) clamp(24px,6vw,72px)}
.lp-section--a{background-color:var(--ink);background-image:radial-gradient(ellipse at 85% 15%,rgba(85,31,170,0.16) 0%,transparent 55%)}
.lp-section--b{background-color:var(--ink-deep);background-image:radial-gradient(ellipse at 12% 80%,rgba(151,106,223,0.10) 0%,transparent 50%)}
.lp-inner{max-width:960px;margin:0 auto}
.ks-header{margin-bottom:clamp(28px,4vw,44px)}
.ks-eyebrow{font-size:clamp(13px,1.5vw,17px);font-weight:300;letter-spacing:4px;text-transform:uppercase;color:var(--lavender);margin-bottom:10px}
.ks-title{font-size:clamp(22px,3.2vw,38px);font-weight:200;color:var(--white);letter-spacing:clamp(3px,0.5vw,7px);text-transform:uppercase;line-height:1.1;margin-bottom:18px}
.ks-title-rule{width:100%;height:1px;background:linear-gradient(90deg,var(--violet) 0%,rgba(151,106,223,0.3) 40%,transparent 100%)}
.lp-sub{font-size:clamp(15px,1.7vw,20px);font-weight:400;color:var(--lilac);letter-spacing:clamp(1.5px,0.3vw,3px);text-transform:uppercase;margin:clamp(28px,4vw,40px) 0 14px}
.lp-sub:first-child{margin-top:0}
.lp-text{font-size:clamp(14px,1.35vw,16.5px);font-weight:300;color:var(--white-md);line-height:1.85;letter-spacing:0.3px;margin-bottom:18px;max-width:90ch}
.lp-text strong{font-weight:500;color:var(--white-hi)}
.lp-text em{font-style:italic;color:#e2ccff}
.lp-lede{font-family:'Josefin Sans',sans-serif;font-weight:300;font-size:clamp(16px,1.9vw,22px);color:#e2ccff;line-height:1.7;letter-spacing:0.5px;border-left:2px solid #c4a0ff;padding-left:18px;margin-bottom:clamp(22px,3vw,30px)}
.lp-fig{margin:clamp(24px,3.5vw,36px) auto;max-width:720px}
.lp-fig-frame{border:1px solid var(--border);background:rgba(255,255,255,0.96);padding:clamp(12px,1.8vw,20px);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative;transition:border-color 0.3s ease;border-radius:2px}
.lp-fig-frame:hover{border-color:rgba(151,106,223,0.55)}
.lp-fig-frame img{width:100%;height:auto;display:block}
.lp-fig-note{position:absolute;font-size:11px;font-weight:300;letter-spacing:2px;text-transform:uppercase;color:rgba(196,160,240,0.65);text-align:center;padding:20px;pointer-events:none}
.lp-fig-frame img:not([src=""]) ~ .lp-fig-note{display:none}
.lp-fig--eq .lp-fig-frame{max-width:600px;margin:0 auto}
.lp-eq{border:1px solid var(--border);border-left:2px solid #c4a0ff;background:radial-gradient(ellipse at 20% 20%,rgba(85,31,170,0.16) 0%,transparent 60%),rgba(196,160,240,0.03);max-width:680px;margin:clamp(24px,3.5vw,36px) auto;padding:clamp(20px,3vw,30px) clamp(16px,2.5vw,28px);overflow-x:auto}
.lp-eq-math{display:flex;align-items:center;gap:0.45em;width:max-content;margin:0 auto;font-family:Georgia,'Times New Roman',serif;font-style:italic;font-size:clamp(15px,1.7vw,19px);color:var(--white);letter-spacing:0.4px;white-space:nowrap}
.lp-eq-math sup,.lp-eq-math sub{font-size:0.68em}
.lp-eq-math .up{font-style:normal}
.lp-eq-math .frac{display:inline-flex;flex-direction:column;align-items:center;text-align:center;vertical-align:middle}
.lp-eq-math .frac .num{padding:0 0.4em 0.15em;border-bottom:1px solid rgba(255,255,255,0.85)}
.lp-eq-math .frac .den{padding:0.15em 0.4em 0}
.lp-eq-math .intw{display:inline-flex;align-items:center;gap:0.1em}
.lp-eq-math .int{font-size:1.9em;font-style:normal;color:#c4a0ff;line-height:1}
.lp-eq-math .lims{display:inline-flex;flex-direction:column;justify-content:center;font-size:0.6em;line-height:1.25;gap:0.9em}
.lp-diagram{border:1px solid var(--border);border-left:2px solid #c4a0ff;background:radial-gradient(ellipse at 80% 15%,rgba(85,31,170,0.16) 0%,transparent 60%),rgba(196,160,240,0.03);max-width:760px;margin:clamp(24px,3.5vw,36px) auto;padding:clamp(16px,2.5vw,26px)}
.lp-diagram svg{width:100%;height:auto;display:block}
.lp-fig-caption{font-size:clamp(11px,1.05vw,13px);font-weight:300;font-style:italic;color:rgba(255,255,255,0.75);letter-spacing:0.5px;line-height:1.7;margin-top:10px}
.lp-fig-credit{font-size:clamp(10px,0.95vw,12px);font-weight:300;color:rgba(196,160,240,0.85);letter-spacing:1.5px;text-transform:uppercase;margin-top:4px}
.lp-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,48px);align-items:center;margin:clamp(24px,3.5vw,36px) 0}
.lp-split .lp-fig{margin:0}
.ks-strip{width:100%;height:1px;background:linear-gradient(90deg,transparent 0%,rgba(85,31,170,0.6) 30%,rgba(151,106,223,0.8) 50%,rgba(85,31,170,0.6) 70%,transparent 100%)}
.kf{background:var(--ink-hero);width:100%;padding:clamp(40px,6vw,64px) clamp(24px,6vw,72px) clamp(28px,4vw,40px);text-align:center}
.kf-rule{width:100%;max-width:960px;margin:0 auto clamp(20px,2.5vw,28px);height:1px;background:linear-gradient(90deg,transparent,rgba(151,106,223,0.4),transparent)}
.kf-copyright{font-size:clamp(11px,1vw,13px);font-weight:300;letter-spacing:1.5px;color:rgba(255,255,255,0.72);line-height:1.9}
.kf-copyright strong{font-weight:400;color:var(--white-md);letter-spacing:2px}
@media (max-width:820px){.lp-split{grid-template-columns:1fr;gap:20px}
.ks-title{letter-spacing:3px}}
@media (max-width:480px){.lp-section{padding:40px 20px}
.lp-hero-content{padding:28px 20px}
.ks-eyebrow{font-size:12px;letter-spacing:3px}
.ks-title{font-size:clamp(20px,6vw,28px);letter-spacing:2.5px}
.lp-sub{font-size:14px;letter-spacing:1.5px}
.lp-text{font-size:14px}
.ks-header{margin-bottom:24px}}
@media (max-width:320px){.ks-title{font-size:19px;letter-spacing:2px}}