:root{--bg: #F6F4ED;--surface: #FFFFFF;--fg: #1A1D24;--muted: #6B6E78;--border: #E2DFD3;--accent: #1B5FAA;--accent-hover: #164E8E;--secondary: #D94B32;--green: #1F8E6C;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .08), 0 2px 8px rgba(0, 0, 0, .04);--font-display: "Lexend", Georgia, serif;--font-body: "Manrope", system-ui, sans-serif;--radius: 14px;--radius-sm: 8px}.dark{--bg: #141A26;--surface: #1E2333;--fg: #EDECF1;--muted: #9CA3AF;--border: #2A2F3E;--accent: #2A6FC8;--accent-hover: #3A7FD8;--secondary: #E55F46;--green: #2AA67E;--shadow: 0 1px 3px rgba(0, 0, 0, .3);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .4)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:var(--font-body);background:var(--bg);color:var(--fg);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;transition:background-color .3s ease,color .3s ease}button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}input{font-family:inherit}.app{min-height:100vh;display:flex;flex-direction:column}.header{position:sticky;top:0;z-index:100;background:var(--bg);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px)}.header-inner{max-width:1200px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between}.wordmark{font-family:var(--font-display);font-size:1.25rem;font-weight:600;letter-spacing:-.02em;display:flex;align-items:center;gap:8px}.wordmark-icon{width:28px;height:28px;border-radius:7px;background:var(--accent);display:flex;align-items:center;justify-content:center;color:#fff;flex-shrink:0}.header-links{display:flex;align-items:center;gap:20px}.header-link{font-size:.875rem;font-weight:500;color:var(--muted);text-decoration:none;transition:color .2s}.header-link:hover{color:var(--fg)}.theme-toggle{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;border:1px solid var(--border);transition:border-color .2s,background .2s}.theme-toggle:hover{border-color:var(--accent);background:var(--surface)}.hero{max-width:760px;margin:0 auto;padding:64px 24px 32px;text-align:center}.hero h1{font-family:var(--font-display);font-size:2.5rem;font-weight:700;letter-spacing:-.03em;line-height:1.15;margin-bottom:12px}.hero-subtitle{font-size:1.125rem;color:var(--muted);margin-bottom:36px}.search-wrapper{position:relative;margin-bottom:28px}.search-input{width:100%;padding:18px 52px;font-size:1.0625rem;border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--fg);outline:none;transition:border-color .2s,box-shadow .2s;box-shadow:var(--shadow)}.search-input::placeholder{color:var(--muted)}.search-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px #1b5faa1f,var(--shadow-lg)}.search-icon{position:absolute;left:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}.search-clear{position:absolute;right:14px;top:50%;transform:translateY(-50%);width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:var(--muted);transition:background .2s,color .2s}.search-clear:hover{background:var(--bg);color:var(--fg)}.category-pills{display:flex;flex-wrap:wrap;gap:10px;justify-content:center}.category-pill{display:flex;align-items:center;gap:8px;padding:8px 16px;border-radius:100px;border:1px solid var(--border);background:var(--surface);font-size:.875rem;font-weight:500;color:var(--fg);transition:border-color .2s,background .2s}.category-pill:hover{border-color:var(--accent);background:var(--bg)}.category-pill-icon{color:var(--secondary);display:flex;align-items:center}.main{max-width:760px;margin:0 auto;padding:0 24px 80px;width:100%}.category-section{margin-bottom:40px}.category-header{display:flex;align-items:center;gap:10px;padding-bottom:14px;margin-bottom:4px;border-bottom:1px solid var(--border)}.category-header-icon{color:var(--secondary);display:flex;align-items:center}.category-header h2{font-family:var(--font-body);font-size:1.125rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:var(--fg)}.category-count{font-size:.8125rem;color:var(--muted);font-weight:500;margin-left:auto}.accordion-item{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);margin-bottom:10px;overflow:hidden;transition:border-color .2s,box-shadow .2s}.accordion-item:hover{border-color:var(--accent)}.accordion-item.open{border-color:var(--accent);box-shadow:var(--shadow)}.accordion-question{width:100%;text-align:left;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:1rem;font-weight:600;color:var(--fg);transition:color .2s}.accordion-question:hover{color:var(--accent)}.accordion-chevron{flex-shrink:0;color:var(--muted);transition:transform .25s ease,color .2s}.accordion-item.open .accordion-chevron{transform:rotate(180deg);color:var(--accent)}.accordion-answer{max-height:0;overflow:hidden;transition:max-height .3s ease}.accordion-answer-inner{padding:0 20px 18px;font-size:.9375rem;line-height:1.65;color:var(--muted);white-space:pre-line}.accordion-item.open .accordion-answer{max-height:600px}.empty-state{text-align:center;padding:60px 20px;color:var(--muted)}.empty-state-title{font-family:var(--font-display);font-size:1.4rem;font-weight:600;color:var(--fg);margin-bottom:8px}.empty-state-desc{font-size:.9375rem;margin-bottom:24px}.contact-btn{display:inline-flex;align-items:center;gap:8px;padding:12px 24px;border-radius:var(--radius-sm);background:var(--accent);color:#fff;font-size:.9375rem;font-weight:600;transition:background .2s}.contact-btn:hover{background:var(--accent-hover)}.footer{border-top:1px solid var(--border);padding:32px 24px;text-align:center;font-size:.8125rem;color:var(--muted)}.footer a{color:var(--accent);text-decoration:none;font-weight:500}.footer a:hover{text-decoration:underline}.loading{text-align:center;padding:60px 20px;color:var(--muted)}.spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 16px}@keyframes spin{to{transform:rotate(360deg)}}@media(max-width:640px){.hero{padding:40px 16px 24px}.hero h1{font-size:1.875rem}.main{padding:0 16px 60px}.header-inner{padding:12px 16px}.header-link{display:none}}