:root{--bg:#0b1020;--panel:#111827;--panel2:#172036;--text:#eef2ff;--muted:#aab4cf;--brand:#8b5cf6;--brand2:#22d3ee;--line:rgba(255,255,255,.12);--white:#fff;--shadow:0 24px 80px rgba(0,0,0,.32)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:linear-gradient(135deg,#090d19 0%,#121832 48%,#0b1020 100%);color:var(--text);line-height:1.6}a{color:inherit}.site-header{position:relative;overflow:hidden;padding:24px clamp(20px,5vw,72px) 76px}.site-header:before{content:"";position:absolute;inset:-20% -10% auto auto;width:580px;height:580px;background:radial-gradient(circle,rgba(139,92,246,.44),transparent 62%);filter:blur(12px);pointer-events:none}.nav{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:24px;max-width:1180px;margin:0 auto}.brand{display:flex;gap:12px;align-items:center;text-decoration:none}.brand-mark{display:grid;place-items:center;width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));font-weight:900;color:#06111e;box-shadow:0 14px 42px rgba(34,211,238,.2)}.brand small{display:block;color:var(--muted);font-size:.82rem;margin-top:-3px}.nav-links{display:flex;gap:18px;align-items:center}.nav-links a{color:var(--muted);text-decoration:none;font-weight:650}.nav-links a:hover{color:var(--white)}.hero{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1.45fr) minmax(280px,.55fr);gap:40px;align-items:center;max-width:1180px;margin:92px auto 0}.eyebrow{margin:0 0 10px;color:var(--brand2);font-weight:800;text-transform:uppercase;letter-spacing:.16em;font-size:.78rem}.hero h1{font-size:clamp(2.5rem,7vw,5.9rem);line-height:.94;margin:0 0 24px;letter-spacing:-.075em;max-width:920px}.lede{font-size:clamp(1.05rem,2.1vw,1.35rem);color:var(--muted);max-width:720px;margin:0 0 32px}.hero-actions,.download-row{display:flex;gap:14px;flex-wrap:wrap}.button{display:inline-flex;justify-content:center;align-items:center;gap:8px;padding:13px 18px;border-radius:999px;text-decoration:none;font-weight:850;border:1px solid var(--line);transition:transform .2s ease,background .2s ease,border-color .2s ease}.button:hover{transform:translateY(-2px)}.button.primary{background:linear-gradient(135deg,var(--brand),#6d5dfc);color:white;border-color:transparent}.button.secondary{background:rgba(34,211,238,.12);color:#cdf7ff;border-color:rgba(34,211,238,.35)}.button.ghost{background:rgba(255,255,255,.06);color:var(--text)}.hero-card{background:linear-gradient(180deg,rgba(255,255,255,.12),rgba(255,255,255,.06));border:1px solid var(--line);border-radius:28px;padding:28px;box-shadow:var(--shadow);backdrop-filter:blur(16px)}.status-dot{display:inline-block;width:12px;height:12px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 8px rgba(34,197,94,.12);margin-right:10px}.hero-card strong{font-size:1.25rem}.hero-card p{color:var(--muted);margin:14px 0 0}.section{max-width:1180px;margin:0 auto;padding:76px clamp(20px,5vw,72px)}.section-heading{display:flex;justify-content:space-between;align-items:end;gap:28px;margin-bottom:30px}.section-heading h2{font-size:clamp(2rem,4vw,3.2rem);line-height:1;margin:0;letter-spacing:-.055em}.section-heading p:last-child{max-width:420px;color:var(--muted);margin:0}.section-heading.compact{display:block}.library{background:rgba(255,255,255,.035);border:1px solid var(--line);border-radius:34px}.empty-state{display:grid;place-items:center;text-align:center;padding:56px 22px;border:1px dashed rgba(255,255,255,.22);border-radius:26px;background:rgba(255,255,255,.045)}.empty-icon{font-size:3rem;margin-bottom:10px}.empty-state h3{font-size:1.8rem;margin:0 0 8px}.empty-state p{max-width:620px;color:var(--muted);margin:0}.book-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));gap:22px}.book-card{display:grid;grid-template-columns:140px 1fr;gap:20px;background:rgba(255,255,255,.06);border:1px solid var(--line);border-radius:26px;padding:18px}.cover-wrap{aspect-ratio:2/3;border-radius:18px;overflow:hidden;background:#1f2937}.cover-wrap img{width:100%;height:100%;object-fit:cover;display:block}.book-meta{color:var(--brand2);font-weight:750;margin:0 0 4px;font-size:.88rem}.book-body h3{font-size:1.35rem;line-height:1.15;margin:0 0 8px}.book-body p{color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.steps div{background:rgba(255,255,255,.055);border:1px solid var(--line);border-radius:24px;padding:24px}.steps strong{display:grid;place-items:center;width:38px;height:38px;border-radius:12px;background:rgba(139,92,246,.24);color:#ddd6fe}.steps h3{margin:18px 0 6px}.steps p{color:var(--muted);margin:0}.footer{max-width:1180px;margin:0 auto;padding:30px clamp(20px,5vw,72px) 54px;color:var(--muted);display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line)}@media(max-width:800px){.nav,.section-heading,.footer{align-items:flex-start;flex-direction:column}.nav-links{font-size:.92rem}.hero{grid-template-columns:1fr;margin-top:58px}.site-header{padding-bottom:42px}.section{padding-top:48px;padding-bottom:48px}.steps{grid-template-columns:1fr}.book-card{grid-template-columns:1fr}.cover-wrap{max-width:180px}.hero h1{letter-spacing:-.055em}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.button{transition:none}.button:hover{transform:none}}

.nav-contact{appearance:none;border:0;background:transparent;color:var(--muted);font:inherit;font-weight:650;cursor:pointer;padding:0}.nav-contact:hover,.nav-contact:focus-visible{color:var(--white)}button.button{font:inherit;cursor:pointer}.modal-open{overflow:hidden}.contact-modal[hidden]{display:none}.contact-modal{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:22px}.contact-backdrop{position:absolute;inset:0;background:rgba(3,7,18,.76);backdrop-filter:blur(10px)}.contact-card{position:relative;z-index:1;width:min(540px,100%);border:1px solid var(--line);border-radius:28px;background:linear-gradient(180deg,rgba(23,32,54,.98),rgba(17,24,39,.98));box-shadow:var(--shadow);padding:34px;outline:none}.contact-card h2{font-size:clamp(1.8rem,4vw,2.6rem);line-height:1;margin:0 0 16px;letter-spacing:-.04em}.contact-card p{color:var(--muted)}.contact-email{display:inline-flex;margin:8px 0 22px!important;padding:12px 16px;border-radius:14px;background:rgba(34,211,238,.12);border:1px solid rgba(34,211,238,.28);color:#dffbff!important;font-weight:850;font-size:1.08rem}.contact-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:var(--text);font-size:1.6rem;line-height:1;cursor:pointer}.contact-close:hover{background:rgba(255,255,255,.12)}.copy-status{min-height:1.4em;margin:14px 0 0!important;color:#bbf7d0!important;font-weight:700}