:root{--background: oklch(.88 .04 85);--foreground: oklch(.2 .03 200);--card: oklch(.97 .01 90);--card-foreground: oklch(.2 .03 200);--popover: oklch(.97 .01 90);--popover-foreground: oklch(.2 .03 200);--primary: oklch(.42 .13 200);--primary-foreground: oklch(.98 0 0);--secondary: oklch(.88 .04 85);--secondary-foreground: oklch(.2 .03 200);--muted: oklch(.94 .02 85);--muted-foreground: oklch(.5 .02 200);--accent: oklch(.65 .2 20);--accent-foreground: oklch(.98 0 0);--destructive: oklch(.628 .258 29.23);--destructive-foreground: oklch(.98 0 0);--border: oklch(.82 .04 85);--input: oklch(.82 .04 85);--ring: oklch(.6 .15 200);--font-sans: "Atkinson Hyperlegible", sans-serif;--font-display: "Geist", sans-serif;--font-mono: "Fira Code", monospace;--radius: .5rem}.dark{--background: oklch(.1 .02 200);--foreground: oklch(.9 .02 85);--card: oklch(.15 .02 200);--card-foreground: oklch(.9 .02 85);--popover: oklch(.15 .02 200);--popover-foreground: oklch(.9 .02 85);--primary: oklch(.42 .13 200);--primary-foreground: oklch(.98 0 0);--secondary: oklch(.5 .05 70);--secondary-foreground: oklch(.2 .03 200);--muted: oklch(.2 .02 200);--muted-foreground: oklch(.6 .02 200);--accent: oklch(.65 .2 20);--accent-foreground: oklch(.98 0 0);--destructive: oklch(.628 .258 29.23);--destructive-foreground: oklch(.98 0 0);--border: oklch(.25 .02 200);--input: oklch(.25 .02 200);--ring: oklch(.6 .15 200)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-sans);background:var(--background);color:var(--foreground);line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@keyframes waterline{0%{transform:translate(-100%)}to{transform:translate(100%)}}@keyframes sonar-pulse{0%,to{transform:scale(1);opacity:.6}50%{transform:scale(1.15);opacity:1}}@keyframes slide-down{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.app{min-height:100vh;display:flex;flex-direction:column}.topbar{position:sticky;top:0;z-index:100;background:var(--background);border-bottom:1px solid var(--border)}.topbar-inner{max-width:1080px;margin:0 auto;padding:0 24px;height:60px;display:flex;align-items:center;justify-content:space-between}.wordmark{font-family:var(--font-display);font-weight:600;font-size:1.1rem;color:var(--primary);letter-spacing:-.02em}.topbar-actions{display:flex;align-items:center;gap:12px}.theme-toggle{display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;border:1px solid var(--border);background:transparent;color:var(--foreground);cursor:pointer;transition:background .2s,border-color .2s}.theme-toggle:hover{background:var(--muted);border-color:var(--ring)}.btn-contact{font-family:var(--font-sans);font-size:.875rem;font-weight:700;color:var(--primary);text-decoration:none;padding:8px 18px;border-radius:var(--radius);border:1px solid var(--primary);transition:background .2s,color .2s}.btn-contact:hover{background:var(--primary);color:var(--primary-foreground)}.hero{background:var(--secondary);padding:64px 24px 56px;border-bottom:1px solid var(--border)}.hero-inner{max-width:720px;margin:0 auto;text-align:center}.hero-title{font-family:var(--font-display);font-weight:500;font-size:clamp(1.75rem,5vw,2.5rem);color:var(--foreground);letter-spacing:-.03em;margin-bottom:8px}.hero-subtitle{font-size:1rem;color:var(--muted-foreground);margin-bottom:32px}.search-wrapper{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:16px;color:var(--accent);display:flex;animation:sonar-pulse 3s ease-in-out infinite}.search-input{width:100%;font-family:var(--font-sans);font-size:1rem;color:var(--foreground);background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 44px 14px 48px;outline:none;transition:border-color .2s,box-shadow .2s}.search-input::placeholder{color:var(--muted-foreground)}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px oklch(from var(--accent) l c h / .15)}.search-clear{position:absolute;right:12px;display:flex;align-items:center;justify-content:center;width:28px;height:28px;border:none;background:var(--muted);color:var(--muted-foreground);border-radius:50%;cursor:pointer;font-size:.75rem;transition:background .2s}.search-clear:hover{background:var(--border);color:var(--foreground)}.categories{padding:40px 24px}.categories-inner{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}.category-card{display:flex;flex-direction:column;align-items:flex-start;gap:8px;padding:24px;background:var(--card);border:1px solid var(--border);border-radius:calc(var(--radius) * 1.5);cursor:pointer;text-align:left;transition:border-color .2s,transform .15s,box-shadow .2s}.category-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 20px oklch(from var(--primary) l c h / .08)}.category-card.active{border-color:var(--accent)}.category-card-icon{display:flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--radius);background:var(--muted);color:var(--primary);margin-bottom:4px}.category-card-label{font-family:var(--font-display);font-weight:500;font-size:1.05rem;color:var(--foreground)}.category-card-count{font-size:.8125rem;color:var(--muted-foreground)}.faq-main{flex:1;padding:24px 24px 64px}.faq-inner{max-width:720px;margin:0 auto}.search-results-header{padding:8px 0 24px;border-bottom:1px solid var(--border);margin-bottom:32px}.search-results-header p{font-size:.875rem;color:var(--muted-foreground)}.empty-state{text-align:center;padding:48px 24px;animation:fade-in .3s ease}.empty-title{font-family:var(--font-display);font-weight:500;font-size:1.25rem;color:var(--foreground);margin-bottom:8px}.empty-body{font-size:.9375rem;color:var(--muted-foreground);margin-bottom:24px;max-width:400px;margin-left:auto;margin-right:auto}.faq-section{margin-bottom:48px}.section-header{display:flex;align-items:center;gap:10px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--border)}.section-icon{display:flex;align-items:center;justify-content:center;color:var(--primary)}.section-title{font-family:var(--font-display);font-weight:500;font-size:1.25rem;color:var(--foreground);letter-spacing:-.01em}.accordion-list{display:flex;flex-direction:column;gap:8px}.accordion-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:border-color .2s}.accordion-item.open{border-color:var(--ring)}.accordion-header{position:relative;width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 20px;background:transparent;border:none;cursor:pointer;text-align:left;transition:background .15s}.accordion-header:hover{background:var(--muted)}.accordion-question{font-family:var(--font-sans);font-weight:700;font-size:.9375rem;color:var(--foreground);line-height:1.4}.accordion-chevron{display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--muted-foreground);transition:transform .3s ease,color .2s}.accordion-chevron.rotated{transform:rotate(180deg);color:var(--accent)}.accordion-item.open .accordion-chevron{color:var(--accent)}.waterline{position:absolute;bottom:0;left:0;right:0;height:1px;overflow:hidden}.waterline:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background:linear-gradient(90deg,transparent,var(--accent),transparent);transform:translate(-100%)}.accordion-header:hover .waterline:after{animation:waterline 1.5s ease-in-out infinite}.accordion-item.open .waterline:after{background:linear-gradient(90deg,transparent,var(--accent) 50%,transparent);animation:waterline 2s ease-in-out infinite}.accordion-panel{overflow:hidden;transition:max-height .3s ease}.accordion-answer{padding:0 20px 18px}.accordion-answer p{font-size:.9375rem;color:var(--muted-foreground);line-height:1.6}.contact-cta{margin-top:64px}.contact-cta-inner{text-align:center;padding:48px 24px;background:var(--card);border:1px solid var(--border);border-radius:calc(var(--radius) * 2)}.contact-cta-inner h3{font-family:var(--font-display);font-weight:500;font-size:1.5rem;color:var(--foreground);margin-bottom:8px}.contact-cta-inner p{font-size:.9375rem;color:var(--muted-foreground);margin-bottom:24px}.contact-cta-actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.btn-primary{display:inline-flex;align-items:center;gap:8px;font-family:var(--font-sans);font-size:.875rem;font-weight:700;color:var(--accent-foreground);background:var(--accent);text-decoration:none;padding:12px 24px;border-radius:var(--radius);border:none;cursor:pointer;transition:opacity .2s,transform .1s}.btn-primary:hover{opacity:.9}.btn-primary:active{transform:scale(.98)}.btn-secondary{display:inline-flex;align-items:center;font-family:var(--font-sans);font-size:.875rem;font-weight:700;color:var(--primary);background:transparent;text-decoration:none;padding:12px 24px;border-radius:var(--radius);border:1px solid var(--primary);cursor:pointer;transition:background .2s,color .2s}.btn-secondary:hover{background:var(--primary);color:var(--primary-foreground)}.footer{border-top:1px solid var(--border);padding:24px}.footer-inner{max-width:1080px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}.footer-copy{font-size:.8125rem;color:var(--muted-foreground)}.footer-status{display:flex;align-items:center;gap:6px;font-size:.8125rem;color:var(--muted-foreground)}.status-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#20c45f}.footer-link{font-size:.8125rem;color:var(--primary);text-decoration:none;transition:color .2s}.footer-link:hover{color:var(--accent)}@media(max-width:640px){.hero{padding:48px 20px 40px}.categories{padding:24px 20px}.categories-inner{grid-template-columns:1fr}.faq-main{padding:16px 20px 48px}.contact-cta-inner{padding:32px 20px}.footer-inner{flex-direction:column;text-align:center}}