:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-gradient:linear-gradient(135deg, #60a5fa, #a855f7);--font-sans:'Inter',system-ui,-apple-system,sans-serif;--space-xs:0.5rem;--space-sm:1rem;--space-md:2rem;--space-lg:4rem;--space-xl:6rem;--radius-md:0.5rem;--radius-lg:1rem;--radius-full:9999px;--shadow-sm:0 1px 2px 0 rgb(0 0 0 / 0.05);--shadow-md:0 4px 6px -1px rgb(0 0 0 / 0.1),0 2px 4px -2px rgb(0 0 0 / 0.1);--shadow-glow:0 0 20px rgba(59, 130, 246, 0.5);--transition-fast:150ms ease;--transition-normal:250ms ease}*,::after,::before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}ul{list-style:none}a{text-decoration:none;color:inherit}img{max-width:100%;display:block}:focus-visible{outline:2px solid var(--accent-primary);outline-offset:4px}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--space-sm)}@media (min-width:768px){.container{padding:0 var(--space-md)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);font-weight:600;border-radius:var(--radius-md);transition:all var(--transition-normal);cursor:pointer;border:2px solid transparent}.btn--sm{padding:.5rem 1rem;font-size:.875rem}.btn--lg{padding:.875rem 1.5rem;font-size:1.125rem}.btn--primary{background-color:var(--accent-primary);color:#fff}.btn--primary:hover{background-color:var(--accent-primary-hover);box-shadow:var(--shadow-glow);transform:translateY(-2px)}.btn--outline{background-color:transparent;border-color:var(--text-secondary);color:var(--text-primary)}.btn--outline:hover{border-color:var(--text-primary);background-color:rgba(255,255,255,.05)}.badge{display:inline-block;padding:.25rem .75rem;background-color:rgba(59,130,246,.1);color:#60a5fa;border-radius:var(--radius-full);font-size:.875rem;font-weight:600;margin-bottom:var(--space-sm);border:1px solid rgba(59,130,246,.2)}.text-gradient{background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header{position:fixed;top:0;width:100%;background-color:rgba(15,23,42,.8);backdrop-filter:blur(12px);border-bottom:1px solid var(--bg-secondary);z-index:1000}.header__container{display:flex;align-items:center;justify-content:space-between;height:4.5rem}.header__logo{display:flex;align-items:center;gap:.5rem;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.header__logo svg{color:var(--accent-primary)}.nav__list{display:none;gap:var(--space-md)}.nav__link{color:var(--text-secondary);font-weight:500;transition:color var(--transition-fast)}.nav__link:hover{color:var(--text-primary)}.header__actions{display:flex;align-items:center;gap:var(--space-sm)}.mobile-menu-toggle{display:block;background:0 0;border:none;color:var(--text-primary);cursor:pointer;padding:.5rem}.hamburger,.hamburger::after,.hamburger::before{display:block;width:24px;height:2px;background-color:currentColor;position:relative;transition:all var(--transition-fast)}.hamburger::before{content:'';top:-6px}.hamburger::after{content:'';top:6px}@media (min-width:768px){.nav__list{display:flex}.mobile-menu-toggle{display:none}}@media (max-width:767px){.nav-desktop-only{display:none}.nav.is-open .nav__list{display:flex;flex-direction:column;position:absolute;top:4.5rem;left:0;width:100%;background-color:var(--bg-primary);padding:var(--space-md);border-bottom:1px solid var(--bg-secondary)}}section{padding:var(--space-xl) 0}.section-header{text-align:center;margin-bottom:var(--space-lg);max-width:600px;margin-inline:auto}.section-title{font-size:clamp(2rem, 4vw, 2.5rem);font-weight:700;margin-bottom:var(--space-sm)}.section-description{color:var(--text-secondary);font-size:1.125rem}.hero{padding-top:calc(var(--space-xl) + 4.5rem);text-align:center;position:relative;overflow:hidden}.hero::before{content:'';position:absolute;top:-20%;left:50%;transform:translateX(-50%);width:600px;height:600px;background:radial-gradient(circle,rgba(59,130,246,.15) 0,rgba(15,23,42,0) 70%);z-index:-1;border-radius:50%}.hero__content{max-width:800px;margin:0 auto}.hero__title{font-size:clamp(2.5rem, 6vw, 4.5rem);line-height:1.1;font-weight:800;margin-bottom:var(--space-md);letter-spacing:-.02em}.hero__description{font-size:clamp(1.125rem, 2vw, 1.25rem);color:var(--text-secondary);margin-bottom:var(--space-md);max-width:600px;margin-inline:auto}.hero__actions{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-sm);margin-bottom:var(--space-lg)}.stats{display:flex;flex-wrap:wrap;justify-content:center;gap:var(--space-lg);padding-top:var(--space-md);border-top:1px solid var(--bg-secondary)}.stat-item{display:flex;flex-direction:column}.stat-item__number{font-size:2rem;font-weight:700;color:var(--text-primary)}.stat-item__label{color:var(--text-muted);font-size:.875rem;text-transform:uppercase;letter-spacing:.05em}.features__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:var(--space-md)}.feature-card{background-color:var(--bg-secondary);padding:var(--space-md);border-radius:var(--radius-lg);border:1px solid rgba(255,255,255,.05);transition:transform var(--transition-normal),background-color var(--transition-normal)}.feature-card:hover{transform:translateY(-5px);background-color:var(--bg-tertiary)}.feature-card__icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background-color:rgba(59,130,246,.1);color:#60a5fa;border-radius:var(--radius-md);margin-bottom:var(--space-sm)}.feature-card__title{font-size:1.25rem;margin-bottom:.5rem}.feature-card__description{color:var(--text-secondary);font-size:.95rem}.testimonial-card{max-width:800px;margin:0 auto;background:linear-gradient(180deg,var(--bg-secondary) 0,var(--bg-primary) 100%);padding:var(--space-lg);border-radius:var(--radius-lg);border:1px solid var(--bg-tertiary);position:relative}.quote-icon{color:var(--bg-tertiary);position:absolute;top:2rem;left:2rem;opacity:.5}.testimonial-card__quote{font-size:clamp(1.125rem, 3vw, 1.5rem);font-weight:500;line-height:1.5;margin-bottom:var(--space-md);position:relative;z-index:1}.testimonial-card__author{display:flex;align-items:center;gap:var(--space-sm)}.testimonial-card__avatar{width:56px;height:56px;border-radius:var(--radius-full);object-fit:cover;border:2px solid var(--accent-primary)}.testimonial-card__name{display:block;font-weight:600;font-style:normal}.testimonial-card__role{font-size:.875rem;color:var(--text-secondary)}.cta__content{background:var(--accent-gradient);padding:var(--space-xl) var(--space-md);border-radius:var(--radius-lg);text-align:center}.cta__title{font-size:clamp(2rem, 4vw, 3rem);font-weight:800;margin-bottom:var(--space-sm)}.cta__description{font-size:1.125rem;margin-bottom:var(--space-md);max-width:600px;margin-inline:auto;color:rgba(255,255,255,.9)}.cta .btn--primary{background-color:#fff;color:var(--bg-primary)}.cta .btn--primary:hover{background-color:var(--bg-primary);color:#fff}.footer{border-top:1px solid var(--bg-secondary);padding-top:var(--space-xl);padding-bottom:var(--space-md)}.footer__container{display:grid;grid-template-columns:1fr;gap:var(--space-lg);margin-bottom:var(--space-lg)}@media (min-width:768px){.footer__container{grid-template-columns:2fr 1fr 1fr}}.footer__tagline{color:var(--text-secondary);margin-top:var(--space-sm);max-width:300px}.footer__links{display:flex;gap:var(--space-xl)}.footer__heading{font-size:1rem;margin-bottom:var(--space-sm)}.footer__group ul{display:flex;flex-direction:column;gap:.5rem}.footer__group a{color:var(--text-secondary);font-size:.875rem;transition:color var(--transition-fast)}.footer__group a:hover{color:var(--accent-primary)}.footer__bottom{text-align:center;color:var(--text-muted);font-size:.875rem;border-top:1px solid var(--bg-secondary);padding-top:var(--space-md)}:root{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--accent-primary:#3b82f6;--accent-primary-hover:#2563eb;--accent-gradient:linear-gradient(135deg, #60a5fa, #a855f7);--border-light:rgba(255, 255, 255, 0.05)}[data-theme=light]{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-tertiary:#f1f5f9;--text-primary:#0f172a;--text-secondary:#334155;--text-muted:#64748b;--accent-primary:#2563eb;--accent-primary-hover:#1d4ed8;--accent-gradient:linear-gradient(135deg, #2563eb, #9333ea);--border-light:rgba(0, 0, 0, 0.05)}body{transition:background-color .3s ease,color .3s ease}.btn-icon{background:0 0;border:none;color:var(--text-secondary);cursor:pointer;padding:.5rem;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;transition:color var(--transition-fast),background-color var(--transition-fast)}.btn-icon:hover{color:var(--text-primary);background-color:var(--bg-tertiary)}[data-theme=dark] .icon-moon{display:none}[data-theme=light] .icon-sun{display:none}.hero__container{display:grid;grid-template-columns:1fr;gap:var(--space-lg);align-items:center;text-align:center}.hero__visual{width:100%;height:350px;position:relative;z-index:1}@media (max-width:991px){spline-viewer{pointer-events:none}}@media (min-width:992px){.hero__container{grid-template-columns:1.1fr 0.9fr;text-align:left;min-height:85vh}.hero__visual{height:600px}.hero__actions{justify-content:flex-start}.stats{justify-content:flex-start}.hero::before{left:25%}}.feature-card{border:1px solid var(--border-light)}.lottie-container{overflow:hidden}.lottie-container svg{width:24px;height:24px}.hero__container--single{grid-template-columns:1fr!important;text-align:center;max-width:800px}.help-page{padding-top:calc(var(--space-xl) + 4.5rem)}.help-header{margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm)}.help-search{margin-top:var(--space-md);position:relative;max-width:600px;margin-inline:auto}.help-search__wrapper{position:relative;display:flex;align-items:center}.help-search__icon{position:absolute;left:1rem;color:var(--text-muted)}.help-search__input{width:100%;padding:1rem 1rem 1rem 3rem;background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);color:var(--text-primary);font-size:1rem;font-family:inherit;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}.help-search__input:focus{outline:0;border-color:var(--accent-primary);box-shadow:0 0 0 3px rgba(59,130,246,.2)}.help-search__shortcut{position:absolute;right:1rem;background-color:var(--bg-tertiary);color:var(--text-muted);padding:.2rem .5rem;border-radius:var(--radius-md);font-size:.8rem;border:1px solid var(--border-light)}.search-results{position:absolute;top:100%;left:0;width:100%;background-color:var(--bg-secondary);border:1px solid var(--border-light);border-radius:var(--radius-lg);margin-top:.5rem;box-shadow:var(--shadow-md);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all var(--transition-fast);z-index:50;overflow:hidden}.search-results--active{opacity:1;visibility:visible;transform:translateY(0)}.search-result{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid var(--border-light);transition:background-color var(--transition-fast)}.search-result:last-child{border-bottom:none}.search-result:hover{background-color:var(--bg-tertiary)}.search-result__title{color:var(--text-primary);font-weight:500}.search-result__category{color:var(--text-muted);font-size:.875rem}.search-result--empty{color:var(--text-muted);justify-content:center}.breadcrumb{margin-bottom:var(--space-md)}.breadcrumb__list{display:flex;gap:.5rem;align-items:center;flex-wrap:wrap;font-size:.875rem}.breadcrumb__item{display:flex;align-items:center;gap:.5rem;color:var(--text-muted)}.breadcrumb__item:not(:last-child)::after{content:'/';color:var(--text-muted)}.breadcrumb__link{color:var(--text-secondary);transition:color var(--transition-fast)}.breadcrumb__link:hover{color:var(--accent-primary)}.breadcrumb__item--current{color:var(--text-primary);font-weight:500}.article-layout{display:grid;grid-template-columns:1fr;gap:var(--space-lg);margin-top:var(--space-md)}@media (min-width:992px){.article-layout{grid-template-columns:2.5fr 1fr}}.article-content__header{margin-bottom:var(--space-lg);padding-bottom:var(--space-md);border-bottom:1px solid var(--border-light)}.article-content__body h2{font-size:1.75rem;margin:var(--space-md) 0 var(--space-sm) 0;color:var(--text-primary)}.article-content__body p{color:var(--text-secondary);margin-bottom:1rem;line-height:1.8}.article-content__body ol,.article-content__body ul{color:var(--text-secondary);margin-left:1.5rem;margin-bottom:1rem}.video-embed{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:var(--radius-lg);margin:var(--space-md) 0;border:1px solid var(--border-light)}.video-embed iframe{position:absolute;top:0;left:0;width:100%;height:100%}.callout{padding:1rem;border-radius:var(--radius-md);margin:var(--space-sm) 0;background-color:var(--bg-tertiary);border-left:4px solid var(--accent-primary)}.sidebar-list{list-style:none;padding:0}.sidebar-list li{margin-bottom:.5rem}.w-full{width:100%}.text-muted{color:var(--text-muted)}.loading-container{min-height:60vh;display:flex;align-items:center;justify-content:center}.loading-container__inner{text-align:center;display:flex;flex-direction:column;align-items:center;gap:var(--space-sm)}.loading-text{color:var(--text-muted);font-weight:500}.spinner{animation:spin 1s linear infinite}@keyframes spin{from{transform:rotate(0)}to{transform:rotate(360deg)}}