:root{--bg:#ffffff;--bg-alt:#f6f7fb;--ink:#14161f;--ink-soft:#565a6e;--line:#e4e6ef;--dark:#0b0e17;--dark-2:#131728;--accent:#22c08a;--accent-ink:#08381f;--accent-soft:#e4f8ef;--radius:14px;--shadow:0 20px 40px -20px rgba(15, 20, 40, 0.25);--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,"SF Mono",Consolas,"Liberation Mono",Menlo,monospace}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.55;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}.container{width:100%;max-width:1120px;margin:0 auto;padding:0 24px}h1,h2,h3{line-height:1.2;margin:0 0 12px;font-weight:700}h1{font-size:clamp(2rem, 4vw, 2.9rem)}h2{font-size:clamp(1.5rem, 3vw, 2.1rem)}h3{font-size:1.15rem}p{margin:0 0 12px;color:var(--ink-soft)}.center{text-align:center;margin-left:auto;margin-right:auto}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.78rem;font-weight:700;color:var(--accent);margin:0 0 10px}.eyebrow.center{display:block}.section-lead{max-width:640px;font-size:1.05rem}.section{padding:72px 0}.section:nth-of-type(2n){background:var(--bg-alt)}.btn{display:inline-block;padding:13px 26px;border-radius:999px;font-weight:700;text-decoration:none;font-size:.98rem;font-family:inherit;border:2px solid transparent;background:0 0;cursor:pointer;transition:transform .15s ease,opacity .15s ease}.btn:hover{transform:translateY(-1px);opacity:.92}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-ghost{color:#fff;border-color:rgba(255,255,255,.35)}.btn-outline{border-color:var(--line);color:var(--ink)}.btn-small{padding:9px 18px;font-size:.88rem}.btn-large{padding:17px 34px;font-size:1.1rem}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.header-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;padding-top:14px;padding-bottom:14px}.logo{font-weight:800;font-size:1.05rem;color:var(--ink);text-decoration:none;white-space:nowrap}.logo .accent{color:var(--accent)}.nav{display:flex;gap:22px;flex:1;justify-content:center}.nav a{color:var(--ink-soft);text-decoration:none;font-size:.94rem;font-weight:600}.nav a:hover{color:var(--ink)}.hero{background:radial-gradient(circle at 15% 0,var(--dark-2),var(--dark) 60%);color:#fff;padding:76px 0 88px}.hero-inner{display:grid;grid-template-columns:1.1fr 0.9fr;gap:48px;align-items:center}.hero-text .eyebrow{color:var(--accent)}.hero h1{color:#fff}.hero-sub{color:rgba(255,255,255,.78);font-size:1.08rem;max-width:520px}.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:22px 0 14px}.hero-note{color:rgba(255,255,255,.55);font-size:.88rem}.terminal-card{background:#0f1420;border:1px solid rgba(255,255,255,.08);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}.terminal-titlebar{display:flex;align-items:center;gap:6px;padding:12px 14px;background:#171d2e;border-bottom:1px solid rgba(255,255,255,.06)}.terminal-titlebar .dot{width:10px;height:10px;border-radius:50%;background:rgba(255,255,255,.18)}.terminal-caption{margin-left:auto;font-family:var(--font-mono);font-size:.75rem;color:rgba(255,255,255,.4)}.terminal-body{padding:20px 18px 22px;font-family:var(--font-mono);font-size:.88rem}.terminal-body .line{margin:0 0 10px;color:rgba(255,255,255,.65)}.line-user{color:#fff}.line-ok{color:var(--accent);font-weight:700}.grid{display:grid;gap:22px}.grid-2{grid-template-columns:1fr 1fr;align-items:center}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(2,1fr)}.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px}.callout{margin-top:22px;background:#fff;border:1px solid var(--line);border-left:4px solid var(--accent);border-radius:var(--radius);padding:18px 22px;color:var(--ink)}.callout strong{color:var(--ink)}.section:nth-of-type(2n) .card{background:#fff}.card-yes{border-color:var(--accent);background:var(--accent-soft)}.card-no{border-color:var(--line)}.card ul{padding-left:18px;margin:0;color:var(--ink-soft)}.card li{margin-bottom:8px}.formula{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:5px;margin-top:32px}.formula-step{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 20px;width:240px;text-align:center;font-weight:700}.formula-step small{display:block;font-weight:400;color:var(--ink-soft);margin-top:4px}.formula-step .num{display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--accent);color:var(--accent-ink);font-size:.85rem;margin-right:8px;margin-bottom:8px;vertical-align:middle}.formula-arrow{color:var(--ink-soft);font-size:1.3rem}.modules{list-style:none;margin:40px 0 0;padding:0;display:grid;gap:14px}.modules li{display:flex;gap:18px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px}.mod-index{flex:none;width:40px;height:40px;border-radius:50%;background:var(--dark);color:var(--accent);font-family:var(--font-mono);font-weight:700;display:flex;align-items:center;justify-content:center}.modules h3{margin-bottom:4px}.modules p{margin:0}.modules .mod-lessons{margin-top:8px;font-size:.85rem;color:var(--ink-soft)}.modules .mod-lessons a{color:var(--ink-soft)}.modules .mod-lessons a:hover{color:var(--ink)}.check-list{list-style:none;margin:0;padding:0}.check-list li{position:relative;padding:10px 0 10px 30px;border-bottom:1px solid var(--line);color:var(--ink);font-weight:600}.check-list li:last-child{border-bottom:none}.check-list li::before{content:"✓";position:absolute;left:0;top:10px;color:var(--accent);font-weight:800}.author-photo{aspect-ratio:4/3;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.author-photo img{width:100%;height:100%;object-fit:cover;display:block}.pricing-grid{margin-top:36px;align-items:stretch}.price-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;display:flex;flex-direction:column}.price-card-featured{border-color:var(--accent);box-shadow:var(--shadow);position:relative}.price-badge{color:var(--accent);font-weight:800;font-size:.78rem;text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px}.price{font-size:2rem;font-weight:800;color:var(--ink);margin:0}.price-row{display:flex;align-items:baseline;flex-wrap:wrap;gap:8px 10px;margin:4px 0 18px}.price-old{font-size:1.1rem;font-weight:600;color:#b3b6c4;text-decoration:line-through}.discount-tag{background:var(--accent-soft);color:var(--accent-ink);font-weight:800;font-size:.78rem;padding:3px 9px;border-radius:999px;align-self:center}.price-card ul{list-style:none;padding:0;margin:0 0 22px;flex:1}.price-card li{padding:6px 0;color:var(--ink)}.price-card li.muted{color:#b3b6c4}.price-card .btn{text-align:center}.faq-list{max-width:760px;margin:34px auto 0}.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:4px 20px;margin-bottom:12px}.faq-item summary{cursor:pointer;padding:16px 0;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}.faq-item summary::-webkit-details-marker{display:none}.faq-item summary::after{content:"+";font-size:1.4rem;color:var(--accent);flex:none}.faq-item[open] summary::after{content:"−"}.faq-item p{padding-bottom:16px;margin:0}.faq-contact{margin:28px 0 0;color:var(--ink-soft);font-size:.95rem}.faq-item p a,.legal-page li a,.legal-page p a{color:var(--accent-ink);text-decoration:underline;text-decoration-color:var(--accent);text-underline-offset:2px}.faq-item p a:hover,.legal-page li a:hover,.legal-page p a:hover{color:var(--accent)}.final-cta{background:var(--dark);color:#fff;text-align:center}.final-cta h2{color:#fff}.final-cta-inner{max-width:620px;margin:0 auto}.final-cta p{color:rgba(255,255,255,.65);margin-bottom:26px}.legal-banner{background:#fff7e6;border-bottom:1px solid #f0d999;color:#7a5a00;font-size:.9rem;padding:12px 0}.legal-page{padding:56px 0 80px;max-width:760px;margin:0 auto}.legal-page h1{margin-bottom:6px}.legal-page .legal-updated{color:var(--ink-soft);font-size:.9rem;margin-bottom:36px}.legal-page h2{font-size:1.2rem;margin-top:36px}.legal-page li,.legal-page p{color:var(--ink)}.legal-page ol,.legal-page ul{padding-left:22px}.legal-page li{margin-bottom:8px}.legal-page .back-link{display:inline-block;margin-bottom:24px;color:var(--ink-soft);text-decoration:none;font-weight:600}.legal-page .back-link:hover{color:var(--ink)}.legal-page .lesson-cta{margin-top:40px}.legal-page .lesson-cta h3{margin-top:0}.legal-page .lesson-cta .btn{margin-top:8px}.legal-page code{background:#f2f2f0;border-radius:4px;padding:2px 6px;font-family:var(--font-mono);font-size:.9em}.legal-page table{width:100%;border-collapse:collapse;margin:20px 0}.legal-page td,.legal-page th{border:1px solid var(--line);padding:10px 14px;text-align:left}.legal-page th{background:#f7f7f5}.site-footer{padding:34px 0;border-top:1px solid var(--line)}.footer-inner{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;color:var(--ink-soft);font-size:.88rem}.footer-links{display:flex;gap:16px}.footer-links a{color:var(--ink-soft);text-decoration:none}.footer-copy{width:100%;margin:6px 0 0;font-size:.8rem;color:#9296a8}.contact-link{color:inherit;text-decoration-color:var(--accent);text-underline-offset:3px}.contact-link:hover{color:var(--accent)}.cookie-notice{position:fixed;left:0;right:0;bottom:0;z-index:1000;background:var(--dark);box-shadow:0 -10px 30px -10px rgba(15,20,40,.35)}.cookie-notice-inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px 20px;padding:14px 24px}.cookie-notice p{margin:0;color:#d7d9e6;font-size:.88rem}.cookie-notice a{color:var(--accent);text-decoration-color:var(--accent)}.cookie-notice .btn{flex-shrink:0}@media (max-width:900px){.hero-inner{grid-template-columns:1fr}.grid-2{grid-template-columns:1fr}.grid-3{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr}.nav{display:none}.author-photo{order:-1}.formula{flex-direction:column}.formula-arrow{transform:rotate(90deg)}}