@font-face{font-family:"Inter";src:url("/assets/fonts/inter/Inter-VariableFont.woff2") format("woff2-variations"),url("/assets/fonts/inter/Inter-VariableFont.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap}:root{--font-ui:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;--font-heading:"Inter",-apple-system,BlinkMacSystemFont,"Segoe 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55%);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;--shadow-sm:0 1px 2px rgba(20,22,31,0.06);--shadow-md:0 4px 16px rgba(20,22,31,0.08);--shadow-lg:0 12px 32px rgba(20,22,31,0.14);--shadow-glow:0 8px 24px rgba(41,82,227,0.28);--header-height:64px;--max-content-width:1120px;--transition-fast:120ms ease;--transition-base:200ms ease;--transition-smooth:420ms cubic-bezier(0.22,1,0.36,1)}:root[data-theme="dark"]{--color-bg:#12141c;--color-bg-subtle:#191b26;--color-surface:#1b1e2a;--color-border:#2c2f3d;--color-text:#eef0f6;--color-text-muted:#a2a6b8;--color-primary:#6d87ff;--color-primary-hover:#8398ff;--color-primary-contrast:#0c0e14;--color-accent:#c8d1ff;--color-primary-2:#9d8bff;--color-primary-soft:#232a45;--gradient-mesh:radial-gradient(circle at 15% 20%,rgba(109,135,255,0.22),transparent 45%),radial-gradient(circle at 85% 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2.2vw,3.25rem)}h2{font-size:clamp(1.5rem,1.25rem + 1.1vw,2.25rem);letter-spacing:-0.015em}h3{font-size:1.25rem;letter-spacing:-0.01em}p{margin:0 0 var(--space-4);color:var(--color-text-muted)}ul,ol{padding-left:1.25em}button,input,select,textarea{font:inherit;color:inherit}:focus-visible{outline:3px solid var(--color-focus-ring);outline-offset:2px;border-radius:var(--radius-sm)}@media (prefers-reduced-motion:reduce){*,*::before,*::after{animation-duration:0.001ms !important;animation-iteration-count:1 !important;transition-duration:0.001ms !important;scroll-behavior:auto !important}}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:absolute;left:8px;top:-48px;background:var(--color-primary);color:var(--color-primary-contrast);padding:var(--space-2) var(--space-4);border-radius:var(--radius-sm);z-index:1000;transition:top var(--transition-fast)}.skip-link:focus{top:8px}.mt-2{margin-top:var(--space-2)}.mt-3{margin-top:var(--space-3)}.mt-4{margin-top:var(--space-4)}.container{width:100%;max-width:var(--max-content-width);margin-inline:auto;padding-inline:var(--space-5)}@media (max-width:640px){.container{padding-inline:var(--space-4)}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-2);padding:10px 18px;border-radius:var(--radius-sm);border:1px solid transparent;font-weight:600;font-size:0.9375rem;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background var(--transition-base),border-color var(--transition-base),color var(--transition-base),transform var(--transition-smooth),box-shadow var(--transition-smooth);min-height:44px;line-height:1.1}.btn:hover{text-decoration:none}.btn:active{transform:translateY(1px)}.btn-primary{background:var(--color-primary);color:var(--color-primary-contrast)}.btn-primary:hover{background:var(--gradient-brand);color:var(--color-primary-contrast);box-shadow:var(--shadow-glow);transform:translateY(-1px)}.btn-secondary{background:var(--color-surface);border-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover{background:var(--color-primary-soft);border-color:var(--color-primary);color:var(--color-primary);box-shadow:var(--shadow-sm);transform:translateY(-1px)}.btn-ghost{background:transparent;color:var(--color-text)}.btn-ghost:hover{background:var(--color-bg-subtle)}.btn-danger{background:transparent;border-color:var(--color-danger);color:var(--color-danger)}.btn-danger:hover{background:var(--color-danger);color:#fff}.btn-sm{min-height:32px;padding:5px 10px;font-size:0.8rem}.btn-icon{padding:8px;min-width:44px}.btn:disabled{opacity:0.5;cursor:not-allowed}.btn:disabled:hover{transform:none;box-shadow:none}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:transform var(--transition-smooth),box-shadow var(--transition-smooth),border-color var(--transition-smooth)}.card-pad{padding:var(--space-5)}a.card:hover,.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--color-primary)}.field{margin-bottom:var(--space-4)}.field label,.field .field-label{display:block;font-weight:600;font-size:0.8125rem;margin-bottom:6px;color:var(--color-text)}.field .field-hint{font-size:0.8125rem;color:var(--color-text-muted);margin-top:var(--space-1)}.field .field-error{font-size:0.8125rem;color:var(--color-danger);margin-top:var(--space-1);display:flex;align-items:center;gap:4px}.field-group-title{font-size:0.75rem;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--color-text-muted);margin:var(--space-6) 0 var(--space-3);padding-top:var(--space-5);border-top:1px solid var(--color-border)}.field-group-title:first-child{margin-top:0;padding-top:0;border-top:none}.field-group-subtitle{font-size:0.8125rem;color:var(--color-text-muted);margin:-8px 0 var(--space-3)}.input,.select,.textarea{width:100%;padding:10px 12px;min-height:44px;border:1.5px solid var(--color-border);border-color:color-mix(in srgb,var(--color-border) 55%,var(--color-text-muted) 45%);border-radius:var(--radius-sm);background:var(--color-bg-subtle);color:var(--color-text);transition:background var(--transition-fast),border-color var(--transition-fast),box-shadow var(--transition-fast)}.textarea{min-height:96px;resize:vertical}.input:hover,.select:hover,.textarea:hover{border-color:var(--color-primary)}.input:focus,.select:focus,.textarea:focus{border-color:var(--color-primary);background:var(--color-bg);box-shadow:0 0 0 3px var(--color-primary-soft);outline:none}.input[aria-invalid="true"],.textarea[aria-invalid="true"]{border-color:var(--color-danger)}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-3)}@media (max-width:480px){.input-row{grid-template-columns:1fr}}.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 10px;border-radius:999px;font-size:0.75rem;font-weight:700;background:var(--color-bg-subtle);color:var(--color-text-muted);border:1px solid var(--color-border)}.badge-primary{background:color-mix(in srgb,var(--color-primary) 14%,transparent);color:var(--color-primary);border-color:transparent}.site-header{height:var(--header-height);display:flex;align-items:center;border-bottom:1px solid var(--color-border);background:var(--color-bg);background:color-mix(in srgb,var(--color-bg) 88%,transparent);backdrop-filter:saturate(180%) blur(14px);-webkit-backdrop-filter:saturate(180%) blur(14px);position:sticky;top:0;z-index:100;transition:box-shadow var(--transition-base),border-color var(--transition-base)}.site-header.is-scrolled{box-shadow:var(--shadow-sm);border-color:transparent}.site-header .container{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4)}.brand{display:flex;align-items:center;gap:var(--space-2);font-weight:800;font-size:1.125rem;color:var(--color-text);text-decoration:none}.brand:hover{color:var(--color-text)}.brand .brand-mark{width:34px;height:34px;border-radius:9px;background:var(--gradient-brand);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;box-shadow:var(--shadow-sm)}.main-nav{display:flex;align-items:center;gap:var(--space-5)}.main-nav ul{list-style:none;display:flex;gap:var(--space-4);margin:0;padding:0}.main-nav a{position:relative;color:var(--color-text-muted);font-weight:600;text-decoration:none;padding-bottom:2px;transition:color var(--transition-fast)}.main-nav a::after{content:'';position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--gradient-brand);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--transition-smooth)}.main-nav a:hover,.main-nav a[aria-current="page"]{color:var(--color-text)}.main-nav a:hover::after,.main-nav a[aria-current="page"]::after{transform:scaleX(1)}.nav-toggle{display:none}.site-header .toolbar-group{display:flex;align-items:center;gap:var(--space-2);flex-shrink:0}.theme-toggle-icon-dark{display:none}html[data-theme="dark"] .theme-toggle-icon-light{display:none}html[data-theme="dark"] .theme-toggle-icon-dark{display:block}@media (max-width:860px){.main-nav ul{display:none;position:absolute;top:100%;left:var(--space-4);right:var(--space-4);flex-direction:column;gap:0;margin-top:var(--space-2);padding:var(--space-2);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:150}.main-nav.is-open ul{display:flex}.main-nav ul li{width:100%}.main-nav a{display:block;padding:var(--space-3);border-radius:var(--radius-sm)}.main-nav a::after{display:none}.main-nav a:hover,.main-nav a[aria-current="page"]{background:var(--color-primary-soft);color:var(--color-primary)}.nav-toggle{display:inline-flex}.header-cta-desktop{display:none}.mobile-nav-cta{display:block;margin-bottom:var(--space-2);padding-bottom:var(--space-2);border-bottom:1px solid var(--color-border)}.mobile-nav-cta .btn{display:flex;width:100%;color:var(--color-primary-contrast) !important;background:var(--color-primary) !important}.mobile-nav-cta .btn:hover{color:var(--color-primary-contrast) !important;background:var(--gradient-brand) !important}}@media (min-width:861px){.mobile-nav-cta{display:none}}.site-footer{position:relative;border-top:1px solid var(--color-border);background:var(--color-bg-subtle);margin-top:var(--space-9);padding:var(--space-8) 0 var(--space-5)}.site-footer::before{content:'';position:absolute;top:-1px;left:0;right:0;height:1px;background:var(--gradient-brand);opacity:0.5}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:var(--space-6)}@media (max-width:780px){.footer-grid{grid-template-columns:1fr 1fr}}@media (max-width:480px){.footer-grid{grid-template-columns:1fr}}.footer-grid h3{font-size:0.8125rem;text-transform:uppercase;letter-spacing:0.04em;color:var(--color-text-muted)}.footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:var(--space-2)}.footer-grid a{color:var(--color-text);text-decoration:none;font-size:0.9375rem}.footer-grid a:hover{color:var(--color-primary)}.footer-bottom{margin-top:var(--space-6);padding-top:var(--space-5);border-top:1px solid var(--color-border);display:flex;justify-content:space-between;flex-wrap:wrap;gap:var(--space-3);font-size:0.8125rem;color:var(--color-text-muted)}.back-to-top{position:fixed;right:var(--space-5);bottom:var(--space-5);z-index:40;width:44px;height:44px;display:flex;align-items:center;justify-content:center;border:1px solid var(--color-border);border-radius:999px;background:var(--color-surface);color:var(--color-primary);box-shadow:var(--shadow-md);cursor:pointer;opacity:0;transform:translateY(8px);pointer-events:none;transition:opacity 0.2s ease,transform 0.2s ease,background 0.15s ease,border-color 0.15s ease}.back-to-top.is-visible{opacity:1;transform:translateY(0);pointer-events:auto}.back-to-top:hover{border-color:var(--color-primary);background:var(--color-primary-soft)}.back-to-top:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}@media (prefers-reduced-motion:reduce){.back-to-top{transition:opacity 0.2s ease}}.hero{position:relative;overflow:hidden;padding:var(--space-9) 0 var(--space-7)}.hero::before{content:'';position:absolute;inset:-15% -10%;background:var(--gradient-mesh);pointer-events:none}.hero > .container{position:relative}.hero .eyebrow{display:inline-flex;align-items:center;color:var(--color-primary);background:var(--color-primary-soft);border-radius:999px;padding:6px 14px;font-weight:700;text-transform:uppercase;letter-spacing:0.06em;font-size:0.75rem}.hero h1{max-width:820px}.error-code{font-family:var(--font-heading);font-weight:800;font-size:clamp(3.5rem,3rem + 5vw,6.5rem);line-height:1;color:var(--color-primary);opacity:0.5;margin-bottom:var(--space-2)}.hero-actions{display:flex;gap:var(--space-3);flex-wrap:wrap;margin-top:var(--space-6)}.hero-grid{display:grid;grid-template-columns:1.15fr 0.85fr;gap:var(--space-7);align-items:center}.hero-media{display:flex;justify-content:center}.hero-media img{width:100%;max-width:380px;height:auto}@media (max-width:860px){.hero-grid{grid-template-columns:1fr}.hero-media img{max-width:260px;margin-inline:auto}}.section{padding:var(--space-8) 0}.section-alt{background:var(--color-bg-subtle)}.section-header{max-width:720px;margin-bottom:var(--space-6)}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--space-5)}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-5)}@media (max-width:860px){.grid-3{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.grid-3,.grid-2{grid-template-columns:1fr}}.thumb-grid-4,.thumb-grid-6{display:grid;gap:var(--space-5)}.thumb-grid-4{grid-template-columns:repeat(4,1fr)}.thumb-grid-6{grid-template-columns:repeat(6,1fr)}@media (max-width:860px){.thumb-grid-4,.thumb-grid-6{grid-template-columns:repeat(3,1fr)}}@media (max-width:600px){.thumb-grid-4,.thumb-grid-6{grid-template-columns:repeat(2,1fr);gap:var(--space-3)}}.feature-card{position:relative;padding:var(--space-5);overflow:hidden}.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient-brand)}.feature-card .icon{width:40px;height:40px;margin-bottom:var(--space-3);color:var(--color-primary)}details.faq-item{border:1px solid var(--color-border);border-radius:var(--radius-md);padding:0 var(--space-4);margin-bottom:var(--space-3);background:var(--color-surface);transition:border-color var(--transition-smooth),box-shadow var(--transition-smooth)}details.faq-item:hover{border-color:var(--color-primary);box-shadow:var(--shadow-sm)}details.faq-item summary{cursor:pointer;font-weight:700;padding:var(--space-4) 0;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:var(--space-3)}details.faq-item summary::-webkit-details-marker{display:none}details.faq-item summary::after{content:'+';flex-shrink:0;font-size:1.5rem;font-weight:400;line-height:1;color:var(--color-primary);transition:transform var(--transition-smooth)}details.faq-item[open] summary::after{transform:rotate(45deg)}details.faq-item p{margin:0 0 var(--space-4)}.breadcrumbs{font-size:0.8125rem;color:var(--color-text-muted);margin-bottom:var(--space-4)}.breadcrumbs a{color:var(--color-text-muted);text-decoration:none}.breadcrumbs a:hover{color:var(--color-primary);text-decoration:underline}.guide-page h1{font-size:clamp(1.875rem,1.6rem + 1.2vw,2.625rem)}.guide-page h2{font-size:clamp(1.3125rem,1.15rem + 0.7vw,1.6875rem);letter-spacing:-0.01em}.guide-page h3{font-size:1.125rem}.reveal-pending{opacity:0;transform:translateY(18px);transition:opacity var(--transition-smooth),transform var(--transition-smooth)}.reveal-visible{opacity:1;transform:none}