:root{--background:#07111f;--background-soft:#0d1a2b;--card:rgba(17,32,52,.92);--primary:#34d399;--primary-dark:#10b981;--text:#f8fafc;--text-muted:#a8b3c4;--border:rgba(255,255,255,.1);--danger:#fca5a5;--shadow:0 24px 60px rgba(0,0,0,.28)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-height:100vh;font-family:Arial,sans-serif;background:radial-gradient(circle at top right,rgba(52,211,153,.12),transparent 35%),var(--background);color:var(--text);line-height:1.7}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}.container{width:min(1120px,calc(100% - 40px));margin:0 auto}.main-header{position:sticky;top:0;z-index:50;border-bottom:1px solid var(--border);background:rgba(7,17,31,.9);backdrop-filter:blur(16px)}.header-content{min-height:74px;display:flex;align-items:center;justify-content:space-between;gap:30px}.logo{color:var(--primary);font-weight:800;font-size:1.4rem;letter-spacing:1px}.main-nav{display:flex;align-items:center;gap:24px}.main-nav a{color:var(--text-muted);transition:.2s}.main-nav a:hover{color:var(--text)}.hero{padding:110px 0 90px}.hero-content{display:grid;grid-template-columns:1.2fr .8fr;align-items:center;gap:70px}.eyebrow{display:inline-block;margin-bottom:18px;color:var(--primary);font-size:.78rem;font-weight:700;letter-spacing:2px}.hero h1{margin:0 0 24px;font-size:clamp(2.5rem,6vw,5rem);line-height:1.08}.hero-description{max-width:700px;margin:0;color:var(--text-muted);font-size:1.15rem}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 26px;border-radius:12px;font-weight:700;cursor:pointer;transition:.2s}.primary-button{border:0;background:var(--primary);color:#032117}.primary-button:hover:not(:disabled){background:var(--primary-dark);transform:translateY(-2px)}.primary-button:disabled{opacity:.65;cursor:wait}.secondary-button{border:1px solid var(--border);background:rgba(255,255,255,.03);color:var(--text)}.secondary-button:hover{background:rgba(255,255,255,.08)}.hero-card,.question-form,.feature-card,.result-card{border:1px solid var(--border);background:var(--card);box-shadow:var(--shadow)}.hero-card{padding:30px;border-radius:24px}.hero-card h2{margin:8px 0 28px;line-height:1.4}.mini-label{color:var(--primary);font-size:.85rem;font-weight:700}.example-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--border);color:var(--text-muted)}.example-row strong{color:var(--text);font-size:1rem}.small-note{margin:22px 0 0;color:var(--text-muted);font-size:.85rem}.question-section,.features-section{padding:90px 0}.question-section{background:rgba(255,255,255,.025);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}.section-heading{max-width:760px;margin-bottom:36px}.section-heading h1,.section-heading h2{margin:0 0 12px;font-size:clamp(2rem,4vw,3rem)}.section-heading p{margin:0;color:var(--text-muted)}.question-form{max-width:850px;padding:32px;border-radius:22px}.question-form label{display:block;margin-bottom:9px;font-weight:700}.question-form input,.question-form textarea{width:100%;margin-bottom:22px;padding:15px 16px;border:1px solid var(--border);border-radius:12px;outline:none;background:var(--background-soft);color:var(--text)}.question-form textarea{resize:vertical}.question-form input:focus,.question-form textarea:focus{border-color:var(--primary)}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.form-button{width:100%}.form-message{min-height:26px;margin:16px 0 0;text-align:center;color:var(--primary)}.features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}.feature-card{padding:26px;border-radius:18px}.feature-number{color:var(--primary);font-weight:800}.feature-card h3{margin:18px 0 10px}.feature-card p{margin:0;color:var(--text-muted)}.main-footer{padding:38px 0;border-top:1px solid var(--border)}.footer-content{display:flex;justify-content:space-between;gap:40px;color:var(--text-muted)}.footer-content strong{color:var(--text)}.footer-content p{margin:5px 0}.history-list{display:grid;gap:20px}.result-card{padding:30px;border-radius:22px;margin-bottom:20px}.result-card h2,.result-card h3{margin-top:0}.result-text{white-space:pre-wrap;color:var(--text-muted)}.status-badge{display:inline-flex;padding:6px 12px;border-radius:999px;background:rgba(52,211,153,.12);color:var(--primary);font-weight:700}.danger-button{border:1px solid var(--border);background:transparent;color:var(--danger);padding:10px 16px;border-radius:10px;cursor:pointer}.loading-dots{display:inline-block;letter-spacing:4px;animation:pulse 1.2s infinite}@keyframes pulse{50%{opacity:.35}}@media(max-width:900px){.hero-content{grid-template-columns:1fr}.features-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:650px){.header-content{flex-direction:column;padding:16px 0}.main-nav{width:100%;justify-content:center;flex-wrap:wrap;gap:12px 18px}.hero{padding-top:70px}.form-grid,.features-grid{grid-template-columns:1fr}.question-form{padding:22px}.footer-content{flex-direction:column}}