:root{--font-primary:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-display:"Outfit", sans-serif;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1);--transition-bounce:all .5s cubic-bezier(.175, .885, .32, 1.275);--header-height:80px;--container-max:1200px;--container-pad:24px;--section-pad-y:100px;--radius-xs:4px;--radius-sm:6px;--radius-md:8px;--radius-lg:12px;--radius-xl:16px;--radius-2xl:24px;--radius-pill:999px;--shadow-popover:0 12px 28px #00000047;--z-drawer:999;--z-header:1000;--z-dropdown:1100;--brand-terracotta:#cb5533;--brand-teal:#17a3a1;--brand-gold:#daad15;--brand-green:#70a144;--brand-ink:#4f6ec4;--brand-charcoal:#433e3f;--brand-charcoal-hi:#4a4445;--brand-charcoal-lo:#2c2829;--brand-amber:#d97706;--brand-rainbow:linear-gradient(90deg, #ff3b30, #ff9500, #fc0, #34c759, #00c7be, #30b0c7, #007aff, #af52de);--brand-rainbow-ring:conic-gradient(#ff3b30, #ff9500, #fc0, #34c759, #00c7be, #30b0c7, #007aff, #af52de, 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#cb553373;color:var(--text-main)}.tone-brand-paper{--bg-main:var(--paper);--bg-card:var(--paper-lo);--bg-card-hover:var(--paper-hi);--border-color:#19171424;--text-main:var(--ink);--text-muted:var(--ink-sub);--text-inverse:var(--ink-on-dark);--color-primary-light:var(--brand-terracotta);--color-success:var(--brand-green);--gradient-primary:var(--brand-terracotta);--shadow-sm:0 18px 44px #28221e1f;--shadow-glow:0 0 18px #cb553359;color:var(--text-main)}[data-theme=dark]{--bg-main:#0a0f1d;--bg-card:#131b2e;--bg-card-hover:#1e294b;--bg-header:#0a0f1dcc;--border-color:#1f2d4d;--text-main:#e2e8f0;--text-muted:#94a3b8;--text-inverse:#0f172a;--color-primary:#6366f1;--color-primary-light:#818cf8;--color-secondary:#06b6d4;--color-accent:#f59e0b;--color-success:#10b981;--color-danger:#ef4444;--gradient-primary:linear-gradient(135deg, #6366f1 0%, #3b82f6 100%);--gradient-glow:radial-gradient(circle, #6366f126 0%, #0000 70%);--shadow-sm:0 2px 8px #0006;--shadow-md:0 8px 30px #00000080;--shadow-glow:0 0 20px #6366f14d;--scrollbar-track:#0e1322;--scrollbar-thumb:#26355a}[data-theme=light]{--bg-main:#f3f4f6;--bg-card:#fff;--bg-card-hover:#f9fafb;--bg-header:#f3f4f6cc;--border-color:#cbd5e1;--text-main:#0f172a;--text-muted:#475569;--text-inverse:#fff;--color-primary:#0078d4;--color-primary-light:#106ebe;--color-secondary:#107c41;--color-accent:#f7630c;--color-success:#107c41;--color-danger:#a80000;--gradient-primary:linear-gradient(135deg, #0078d4 0%, #005a9e 100%);--gradient-glow:radial-gradient(circle, #0078d40d 0%, #0000 70%);--shadow-sm:0 2px 8px #0000000d;--shadow-md:0 8px 30px #00000014;--shadow-glow:0 0 15px #0078d426;--scrollbar-track:#f1f5f9;--scrollbar-thumb:#cbd5e1}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-primary);background-color:var(--bg-main);color:var(--text-main);line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}a{color:inherit;text-decoration:none}ul{list-style:none}img{max-width:100%;height:auto;display:block}button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;background:0 0;border:none}button{cursor:pointer}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:var(--radius-xs)}::-webkit-scrollbar-thumb:hover{background-color:var(--color-primary-light)}.container{width:100%;max-width:var(--container-max);padding:0 var(--container-pad);margin:0 auto}.text-gradient{background:var(--gradient-primary);-webkit-text-fill-color:transparent;-webkit-background-clip:text}.badge{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-pill);color:var(--color-primary-light);box-shadow:var(--shadow-sm);margin-bottom:24px;padding:6px 16px;font-size:.85rem;font-weight:500;display:inline-block}.btn-primary{background:var(--gradient-primary);border-radius:var(--radius-md);transition:var(--transition-bounce);box-shadow:var(--shadow-sm);justify-content:center;align-items:center;padding:10px 24px;font-weight:600;display:inline-flex;color:var(--text-inverse)!important}.btn-primary:hover{box-shadow:var(--shadow-glow);filter:brightness(1.1);transform:translateY(-2px)}.btn-secondary{background-color:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);border-radius:var(--radius-md);transition:var(--transition-smooth);justify-content:center;align-items:center;padding:10px 24px;font-weight:600;display:inline-flex}.btn-secondary:hover{background-color:var(--bg-card-hover);border-color:var(--color-primary-light)}.btn-large{padding:14px 36px;font-size:1.05rem}.btn-icon{border-radius:var(--radius-md);border:1px solid var(--border-color);background-color:var(--bg-card);width:40px;height:40px;transition:var(--transition-smooth);justify-content:center;align-items:center;display:flex}.btn-icon:hover{border-color:var(--color-primary-light);background-color:var(--bg-card-hover);color:var(--color-primary-light)}.header{height:var(--header-height);background-color:var(--bg-header);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:var(--z-header);transition:var(--transition-smooth);position:fixed;top:0;left:0;right:0}.header-container{max-width:var(--container-max);height:100%;padding:0 var(--container-pad);justify-content:space-between;align-items:center;margin:0 auto;display:flex}.logo-area{align-items:center;gap:12px;display:flex}.logo-img{width:32px;height:32px}.logo-text{font-family:var(--font-display);letter-spacing:-.5px;font-size:1.4rem;font-weight:800}.nav-menu{gap:32px;display:flex}.nav-menu a{color:var(--text-muted);transition:var(--transition-smooth);font-size:.95rem;font-weight:500}.nav-menu a:hover{color:var(--color-primary-light)}.header-actions{align-items:center;gap:12px;display:flex}[data-theme=dark] .sun-icon{display:none}[data-theme=dark] .moon-icon,[data-theme=light] .sun-icon{display:block}[data-theme=light] .moon-icon{display:none}.btn-icon svg{width:20px;height:20px}.lang-text{letter-spacing:.5px;font-size:.85rem;font-weight:700}.lang-switcher{position:relative}.lang-menu{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);min-width:150px;box-shadow:var(--shadow-popover);z-index:var(--z-dropdown);flex-direction:column;gap:2px;padding:6px;display:none;position:absolute;top:calc(100% + 8px);right:0}.lang-switcher.is-open .lang-menu{display:flex}.lang-option{text-align:left;border-radius:var(--radius-sm);width:100%;color:var(--text-muted);cursor:pointer;white-space:nowrap;transition:var(--transition-smooth);background:0 0;border:none;padding:9px 12px;font-size:.9rem;font-weight:500;display:block}.lang-option:hover{background-color:var(--bg-card-hover);color:var(--color-primary-light)}.lang-option.active{color:var(--color-primary-light);font-weight:700}.hamburger-btn{border-radius:var(--radius-md);border:1px solid var(--border-color);background-color:var(--bg-card);cursor:pointer;width:40px;height:40px;transition:var(--transition-smooth);flex-direction:column;flex-shrink:0;justify-content:center;align-items:center;gap:5px;display:none}.hamburger-btn:hover{border-color:var(--color-primary-light);background-color:var(--bg-card-hover)}.hamburger-bar{background-color:var(--text-main);transform-origin:50%;border-radius:2px;width:18px;height:2px;transition:transform .3s,opacity .3s,width .3s;display:block}.hamburger-btn[aria-expanded=true] .hamburger-bar:first-child{transform:translateY(7px)rotate(45deg)}.hamburger-btn[aria-expanded=true] .hamburger-bar:nth-child(2){opacity:0;width:0}.hamburger-btn[aria-expanded=true] .hamburger-bar:nth-child(3){transform:translateY(-7px)rotate(-45deg)}@media (max-width:768px){.hamburger-btn{display:flex}.header-container{padding:0 16px}.nav-menu,.header-actions .btn-primary{display:none}.nav-menu-mobile{top:var(--header-height);z-index:var(--z-drawer);background-color:var(--bg-header);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border-bottom:1px solid var(--border-color);opacity:0;flex-direction:column;gap:4px;padding:16px 24px 24px;transition:transform .35s cubic-bezier(.4,0,.2,1),opacity .35s cubic-bezier(.4,0,.2,1);display:flex;position:fixed;left:0;right:0;transform:translateY(-110%)}.nav-menu-mobile.is-open{opacity:1;transform:translateY(0)}.nav-menu-mobile a{color:var(--text-muted);border-bottom:1px solid var(--border-color);transition:var(--transition-smooth);padding:14px 8px;font-size:1.05rem;font-weight:500;display:block}.nav-menu-mobile a:last-of-type{border-bottom:none}.nav-menu-mobile a:hover{color:var(--color-primary-light);padding-left:16px}.nav-mobile-cta{margin-top:16px}.nav-mobile-cta .btn-primary{justify-content:center;width:100%;padding:14px 24px;font-size:1rem}}.footer{background-color:var(--bg-main);border-top:1px solid var(--border-color);color:var(--text-muted);padding:40px 0;font-size:.9rem}.footer-bottom{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:20px;display:flex}.footer-brand{flex-direction:column;gap:8px;display:flex}.footer-links{flex-wrap:wrap;gap:24px;display:flex}.footer-links a:hover{color:var(--color-primary-light)}.footer-social{gap:14px;margin-top:4px;list-style:none;display:flex}.footer-social a{width:32px;height:32px;color:var(--text-muted);transition:var(--transition-smooth);border-radius:50%;place-items:center;display:grid}.footer-social a:hover{color:var(--text-main);background-color:var(--bg-card-hover)}.footer-social svg{width:18px;height:18px}.footer.tone-brand{border-top:none;position:relative}.footer.tone-brand:before{content:"";background:var(--brand-bar);height:4px;position:absolute;top:0;left:0;right:0}.footer.tone-brand .logo-text{color:var(--text-main)}@media (max-width:768px){.footer-bottom{text-align:center;flex-direction:column}.footer-brand{align-items:center}.footer-links{justify-content:center}}