:root{--bg:#07040f;--bg2:#0e0820;--surface:#141027;--surface2:#1b1238;--text:#fff;--muted:#d9d3ea;--line:rgba(255,255,255,.14);--menu-dark:#07020f;--menu-mid:#3b1385;--menu-end:#6420e1;--violet:#6420e1;--blue:#3d6cff;--cyan:#7ee8ff;--pink:#c96cff;--green:#5ce1a5;--shadow:0 28px 80px rgba(0,0,0,.34);color-scheme:dark}*{box-sizing:border-box}html{margin:0;padding:0;background:var(--bg);scroll-behavior:smooth;-webkit-text-size-adjust:100%;text-size-adjust:100%}body{margin:0!important;padding:0!important;overflow-x:hidden;color:var(--text);background:radial-gradient(circle at 8% 4%,rgba(100,32,225,.23),transparent 31rem),radial-gradient(circle at 92% 12%,rgba(61,108,255,.17),transparent 30rem),linear-gradient(145deg,#05020b,#0c0619 46%,#100923);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif}body:before{content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.025) 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/* Competitive SEO architecture upgrade — 2026-08-01 */
:root{--ink:#f8f7ff;--muted:#cbc5df;--surface:#10091f;--surface-2:#170d2c;--line:rgba(255,255,255,.13);--purple:#6c22f4;--purple-2:#321078;--cyan:#43d9ff;--green:#29d3a2;--gold:#ffc857;--radius:22px;--shadow:0 22px 60px rgba(0,0,0,.28)}
html{scroll-behavior:smooth;scroll-padding-top:100px}body{font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;text-rendering:optimizeLegibility}p,li{line-height:1.72}.vlx-surface{background:linear-gradient(180deg,rgba(108,34,244,.055),transparent 50%)}
.vlx-hero-compact{min-height:auto;padding-block:clamp(4.5rem,8vw,7.5rem)}.vlx-home-hero{padding-block:clamp(5rem,10vw,9rem)}.vlx-proof-card{padding:clamp(1.5rem,3vw,2.4rem);border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(145deg,rgba(108,34,244,.22),rgba(8,5,18,.82));box-shadow:var(--shadow);align-self:center}.vlx-proof-card strong{display:block;font-size:clamp(1.3rem,2.4vw,2rem);line-height:1.2;margin:.6rem 0 1rem}.vlx-proof-card ul,.vlx-proof-card ol{display:grid;gap:.55rem;padding-left:1.25rem}.vlx-mini-label,.vlx-eyebrow,.vlx-card-tag{font-size:.76rem;letter-spacing:.12em;text-transform:uppercase;color:#bca7ff;font-weight:800}.vlx-hero-notes{display:flex;gap:.7rem;flex-wrap:wrap;margin-top:1.4rem}.vlx-hero-notes span,.vlx-guide-meta span,.vlx-card-meta span,.vlx-read-time{border:1px solid var(--line);border-radius:999px;padding:.45rem .75rem;color:var(--muted);font-size:.82rem}
.vlx-toc{position:sticky;top:82px;z-index:4;display:flex;gap:.8rem;align-items:center;flex-wrap:wrap;padding:.8rem 1rem;margin:0 0 2rem;background:rgba(12,6,26,.92);backdrop-filter:blur(15px);border:1px solid var(--line);border-radius:16px}.vlx-toc strong{margin-right:auto}.vlx-toc a{color:#ddd5f5;font-size:.88rem;text-decoration:none}.vlx-toc a:hover{color:#fff}
.vlx-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:2rem}.vlx-facts>div{padding:1.25rem;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.025)}.vlx-facts span{display:block;color:#a99ec1;font-size:.78rem;text-transform:uppercase;letter-spacing:.08em;margin-bottom:.5rem}.vlx-facts strong{display:block;line-height:1.5}
.vlx-modules{display:grid;gap:.8rem;margin-top:1.6rem}.vlx-module{border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.022);overflow:hidden}.vlx-module summary{display:flex;align-items:center;gap:1rem;padding:1.15rem 1.25rem;cursor:pointer;list-style:none}.vlx-module summary::-webkit-details-marker{display:none}.vlx-module summary span{display:grid;place-items:center;width:2.25rem;height:2.25rem;border-radius:50%;background:rgba(108,34,244,.25);color:#d7c8ff;font-size:.78rem}.vlx-module summary strong{font-size:1.06rem}.vlx-module p{margin:0;padding:0 1.25rem 1.3rem 4.5rem;color:var(--muted)}
.vlx-project{display:grid;grid-template-columns:1.1fr .9fr;gap:1.4rem;align-items:start}.vlx-project-box{padding:1.4rem;border-radius:18px;border:1px solid rgba(67,217,255,.28);background:rgba(67,217,255,.055)}.vlx-project-box ul{padding-left:1.2rem}.vlx-project-box li+li{margin-top:.65rem}.vlx-method-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin:1.5rem 0}.vlx-method-grid article{padding:1.2rem;border:1px solid var(--line);border-radius:16px;background:rgba(255,255,255,.02)}.vlx-method-grid b{display:grid;place-items:center;width:2rem;height:2rem;border-radius:50%;background:var(--purple);margin-bottom:.9rem}.vlx-method-grid h3{margin:.2rem 0 .5rem}.vlx-method-grid p{font-size:.93rem;color:var(--muted);margin:0}
.vlx-warning{border-color:rgba(255,200,87,.3);background:linear-gradient(145deg,rgba(255,200,87,.06),rgba(255,255,255,.018))}.vlx-warning-list{display:grid;grid-template-columns:repeat(2,1fr);gap:.85rem;list-style:none;padding:0}.vlx-warning-list li{padding:1rem 1rem 1rem 2.7rem;border:1px solid var(--line);border-radius:14px;position:relative}.vlx-warning-list li:before{content:"!";position:absolute;left:1rem;top:1rem;display:grid;place-items:center;width:1.2rem;height:1.2rem;border-radius:50%;background:var(--gold);color:#1b102e;font-weight:900;font-size:.75rem}
.vlx-compare{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.vlx-compare>div{border:1px solid var(--line);border-radius:16px;padding:1.3rem;background:rgba(255,255,255,.02)}.vlx-compare li+li{margin-top:.55rem}.vlx-questions{display:grid;gap:.75rem}.vlx-question{border:1px solid var(--line);border-radius:14px;padding:0 1.1rem;background:rgba(255,255,255,.02)}.vlx-question summary{cursor:pointer;font-weight:750;padding:1rem 0}.vlx-question p{color:var(--muted);margin:.1rem 0 1.1rem}.vlx-sign a{color:#c8b4ff}
.vlx-step-list{display:grid;gap:1rem;margin:2rem 0}.vlx-step-list article{display:grid;grid-template-columns:70px 1fr;column-gap:1.2rem;border:1px solid var(--line);border-radius:18px;padding:1.35rem;background:rgba(255,255,255,.02)}.vlx-step-list article>span{grid-row:1/3;display:grid;place-items:center;width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,var(--purple),#3e0c99);font-weight:900}.vlx-step-list h2{font-size:1.25rem;margin:.1rem 0 .4rem}.vlx-step-list p{margin:0;color:var(--muted)}.vlx-guide-meta,.vlx-card-meta{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}.vlx-action-list{counter-reset:act;list-style:none;padding:0;display:grid;gap:.8rem}.vlx-action-list li{counter-increment:act;padding:1rem 1rem 1rem 3.4rem;border:1px solid var(--line);border-radius:14px;position:relative}.vlx-action-list li:before{content:counter(act);position:absolute;left:1rem;top:1rem;display:grid;place-items:center;width:1.6rem;height:1.6rem;border-radius:50%;background:rgba(108,34,244,.3);font-weight:800}.vlx-related-course{display:flex;justify-content:space-between;gap:2rem;align-items:center;padding:2rem;border:1px solid rgba(108,34,244,.4);border-radius:var(--radius);background:linear-gradient(135deg,rgba(108,34,244,.13),rgba(67,217,255,.04));margin:2rem 0}
.vlx-route-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}.vlx-route-card{position:relative;min-height:260px}.vlx-card-number{display:block;font-size:2.7rem;font-weight:900;color:rgba(188,167,255,.32);margin-bottom:.7rem}.vlx-route-card h2,.vlx-course-card h2,.vlx-resource-card h2{font-size:1.25rem}.vlx-hub-plan{margin-top:2rem}.vlx-course-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem;margin:2rem 0}.vlx-course-card,.vlx-resource-card{display:flex;flex-direction:column}.vlx-course-card>a,.vlx-resource-card>a{margin-top:auto}.vlx-author-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.vlx-author-grid article{padding:1.3rem;border:1px solid var(--line);border-radius:16px}.vlx-split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(2rem,5vw,5rem);align-items:center}.vlx-metric-board{display:grid;grid-template-columns:1fr 1fr;gap:1rem}.vlx-metric-board div{padding:1.4rem;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(108,34,244,.12),rgba(255,255,255,.02))}.vlx-metric-board strong{display:block;font-size:2.5rem}.vlx-metric-board span{color:var(--muted)}.vlx-center-action{text-align:center;margin-top:1.5rem}.vlx-text-link{display:inline-block;margin-top:1rem;color:#d3c4ff;font-weight:800}
.vlx-article,.vlx-card,.vlx-route-grid,.vlx-course-grid{content-visibility:auto;contain-intrinsic-size:1px 650px}
@media(max-width:980px){.vlx-facts,.vlx-route-grid{grid-template-columns:1fr 1fr}.vlx-method-grid{grid-template-columns:1fr 1fr}.vlx-project,.vlx-split{grid-template-columns:1fr}.vlx-toc{position:static}.vlx-course-grid{grid-template-columns:1fr}}
@media(max-width:650px){.vlx-facts,.vlx-method-grid,.vlx-warning-list,.vlx-compare,.vlx-route-grid,.vlx-author-grid,.vlx-metric-board{grid-template-columns:1fr}.vlx-related-course{align-items:stretch;flex-direction:column}.vlx-step-list article{grid-template-columns:52px 1fr;column-gap:.85rem;padding:1rem}.vlx-step-list article>span{width:44px;height:44px}.vlx-module p{padding-left:1.25rem}.vlx-toc a{display:none}.vlx-home-proof{margin-top:1rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}
.vlx-bottom .vlx-developer{display:inline-flex;align-items:center;margin:0;color:#fff;font-weight:850;text-decoration:none}.vlx-bottom .vlx-developer:hover{color:var(--cyan)}