:root{--bg:#0a0e1a;--bg-secondary:#0f1524;--bg-card:#111827;--bg-card-hover:#1a2235;--accent:#00c2d1;--accent-dim:rgba(0, 194, 209, 0.10);--accent-glow:rgba(0, 194, 209, 0.22);--text:#e8edf5;--text-secondary:#94a3b8;--text-muted:#4a5568;--border:rgba(255, 255, 255, 0.07);--border-accent:rgba(0, 194, 209, 0.35);--font-heading:'Montserrat', system-ui, sans-serif;--font-body:'Inter', system-ui, sans-serif;--radius:14px;--radius-sm:8px;--transition:all 0.22s cubic-bezier(0.4, 0, 0.2, 1);--bg-header:rgba(10, 14, 26, 0.95);--bg-footer:#080c17;--bg-nav-mobile:rgba(8, 12, 23, 0.98)}[data-theme=light]{--bg:#f8fafc;--bg-secondary:#f1f5f9;--bg-card:#ffffff;--bg-card-hover:#eef4ff;--accent:#0097a7;--accent-dim:rgba(0, 151, 167, 0.10);--accent-glow:rgba(0, 151, 167, 0.18);--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:rgba(0, 0, 0, 0.09);--border-accent:rgba(0, 151, 167, 0.40);--bg-header:rgba(248, 250, 252, 0.95);--bg-footer:#e2e8f0;--bg-nav-mobile:rgba(248, 250, 252, 0.98)}@media(prefers-color-scheme:light){:root:not([data-theme=dark]){--bg:#f8fafc;--bg-secondary:#f1f5f9;--bg-card:#ffffff;--bg-card-hover:#eef4ff;--accent:#0097a7;--accent-dim:rgba(0, 151, 167, 0.10);--accent-glow:rgba(0, 151, 167, 0.18);--text:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--border:rgba(0, 0, 0, 0.09);--border-accent:rgba(0, 151, 167, 0.40);--bg-header:rgba(248, 250, 252, 0.95);--bg-footer:#e2e8f0;--bg-nav-mobile:rgba(248, 250, 252, 0.98)}}.hidden{display:none!important}*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;overflow-x:hidden}body{font-family:var(--font-body);background:var(--bg);color:var(--text);line-height:1.7}header{position:fixed;top:0;width:100%;height:68px;background:var(--bg-header);backdrop-filter:blur(16px);display:flex;align-items:center;justify-content:space-between;padding:0 5%;z-index:1000;border-bottom:1px solid var(--border)}.logo-brand{display:flex;align-items:center;gap:10px;text-decoration:none;flex-shrink:0}.logo-brand img{width:36px;height:36px;border-radius:50%}.logo-brand span{font-family:var(--font-heading);font-weight:700;font-size:1.05rem;letter-spacing:.5px;color:var(--text);text-transform:uppercase}.main-nav{display:flex;align-items:center;gap:0}.main-nav a:not(.nav-yt-btn){color:var(--text-secondary);text-decoration:none;font-size:.78rem;font-weight:600;letter-spacing:1.3px;text-transform:uppercase;padding:8px 16px;border-radius:var(--radius-sm);transition:var(--transition);white-space:nowrap;position:relative}.main-nav a:not(.nav-yt-btn):not(:first-child)::before{content:'|';position:absolute;left:0;top:50%;transform:translate(-50%,-50%);color:rgba(255,255,255,.15);font-size:.7rem;font-weight:300;pointer-events:none}.main-nav a:not(.nav-yt-btn):hover{color:var(--text);background:rgba(255,255,255,5%)}.nav-yt-btn{display:inline-flex!important;align-items:center;gap:6px;background:0 0!important;color:var(--text-muted)!important;border:1px solid var(--border);padding:6px 14px!important;border-radius:50px!important;margin-left:16px;font-size:.78rem!important;font-weight:500!important;transition:var(--transition)}.nav-yt-btn svg{flex-shrink:0}.nav-yt-btn:hover{background:rgba(255,255,255,4%)!important;color:var(--text-secondary)!important;border-color:rgba(255,255,255,.15)!important}.hamburger{display:none;flex-direction:column;gap:5px;min-height:44px;background:0 0;border:none;cursor:pointer;padding:8px 12px}.hamburger span{display:block;width:22px;height:2px;background:var(--text-secondary);border-radius:2px;transition:var(--transition);transform-origin:center}.hamburger.open span:nth-child(1){transform:translateY(7px)rotate(45deg)}.hamburger.open span:nth-child(2){opacity:0}.hamburger.open span:nth-child(3){transform:translateY(-7px)rotate(-45deg)}main{padding-top:68px}.hero{position:relative;padding:110px 5% 90px;text-align:center;overflow:hidden;background:radial-gradient(ellipse 80% 50% at 50% 0%,rgba(0,194,209,7%) 0%,transparent 70%),radial-gradient(ellipse 60% 40% at 80% 80%,rgba(99,102,241,5%) 0%,transparent 60%),var(--bg)}.hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:1px;background:linear-gradient(to right,transparent,var(--border-accent),transparent)}.hero-content{position:relative;max-width:680px;margin:0 auto}.hero-logo-wrap{margin:0 auto 28px;display:flex;justify-content:center}.hero-logo-img{width:80px;height:80px;border-radius:50%;border:2px solid var(--border-accent);box-shadow:0 0 28px var(--accent-glow),0 0 60px rgba(0,194,209,6%)}.hero-eyebrow{font-size:.8rem;font-weight:600;letter-spacing:2.5px;text-transform:uppercase;color:var(--accent);margin-bottom:22px;opacity:.9}.hero h1{font-family:var(--font-heading);font-size:clamp(2.2rem,5vw,3.4rem);font-weight:700;line-height:1.1;margin-bottom:22px;color:var(--text)}.hero-accent{color:var(--accent);display:block}.hero-sub{font-size:1.1rem;color:var(--text-secondary);margin-bottom:40px;max-width:520px;margin-left:auto;margin-right:auto;line-height:1.7}.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:9px;background:var(--accent);color:#0a0e1a;padding:14px 30px;border-radius:50px;text-decoration:none;font-weight:600;font-size:.95rem;transition:var(--transition);box-shadow:0 4px 20px var(--accent-glow)}.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 28px rgba(0,194,209,.35)}.btn-yt-ghost{display:inline-flex;align-items:center;gap:8px;color:var(--text-muted);text-decoration:none;font-size:.85rem;font-weight:500;padding:13px 24px;border-radius:50px;border:1px solid var(--border);transition:var(--transition)}.btn-yt-ghost:hover{color:var(--text-secondary);border-color:rgba(255,255,255,.15)}.btn-yt-ghost svg{flex-shrink:0}.btn-secondary{display:inline-flex;align-items:center;gap:9px;background:0 0;color:var(--text);padding:14px 30px;border-radius:50px;text-decoration:none;font-weight:600;font-size:.95rem;border:1px solid var(--border-accent);transition:var(--transition)}.btn-secondary:hover{background:var(--accent-dim);color:var(--accent);border-color:var(--accent)}.featured-section{padding:70px 5%;border-bottom:1px solid var(--border)}.featured-inner{max-width:1100px;margin:0 auto}.featured-label{font-size:.75rem;font-weight:700;letter-spacing:2px;text-transform:uppercase;color:var(--accent);margin-bottom:28px}.featured-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:48px;align-items:center}.featured-thumb{position:relative;border-radius:var(--radius);overflow:hidden;display:block;aspect-ratio:16/9;background:var(--bg-card)}.featured-thumb 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h1{font-family:var(--font-heading);font-size:clamp(2rem,4vw,3rem);font-weight:700;color:var(--text);margin-bottom:14px}.faq-page-sub{color:var(--text-secondary);font-size:1rem;max-width:560px;margin:0 auto 32px;line-height:1.65}.faq-search-wrap{margin-bottom:24px}.faq-search-wrap input{width:100%;max-width:480px;padding:12px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:999px;color:var(--text);font-size:.95rem;outline:none;transition:var(--transition)}.faq-search-wrap input:focus{border-color:var(--border-accent);box-shadow:0 0 0 3px var(--accent-dim)}.faq-search-wrap input::placeholder{color:var(--text-muted)}.faq-article-group{margin-bottom:20px;border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}.faq-article-group:hover{border-color:var(--border-accent)}.faq-article-title{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 22px;background:var(--bg-card);border-bottom:1px 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var(--border);border-radius:50%;width:34px;height:34px;cursor:pointer;color:var(--text-secondary);display:flex;align-items:center;justify-content:center;transition:var(--transition);flex-shrink:0;margin-left:10px;padding:0}.theme-toggle:hover{border-color:var(--border-accent);color:var(--accent)}.theme-toggle .icon-sun{display:flex}.theme-toggle .icon-moon{display:none}[data-theme=light] .theme-toggle .icon-sun{display:none}[data-theme=light] .theme-toggle .icon-moon{display:flex}@media(prefers-color-scheme:light){:root:not([data-theme=dark]) .theme-toggle .icon-sun{display:none}:root:not([data-theme=dark]) .theme-toggle .icon-moon{display:flex}}@media(max-width:768px){.hamburger{display:flex}.main-nav{display:none;position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;background:var(--bg-nav-mobile);border-bottom:1px solid var(--border);padding:12px 20px 20px;gap:2px}.main-nav.open{display:flex}.main-nav a{padding:12px 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