.hero{min-height:calc(100vh - var(--header-height));display:flex;flex-direction:column;align-items:center;justify-content:center;padding:64px 32px 96px;text-align:center;background:var(--color-cream)}.hero-title{font-family:var(--font-display);font-size:72px;font-weight:700;line-height:1.1;letter-spacing:-.02em;color:var(--color-text-primary);margin-bottom:8px}.hero-tagline{font-size:22px;font-weight:400;color:var(--color-text-secondary);margin-bottom:40px;line-height:1.6}.hero-buttons{display:flex;gap:16px;margin-bottom:24px;flex-wrap:wrap;justify-content:center}.hero-meta{display:flex;gap:24px;font-size:14px;color:var(--color-text-muted);margin-bottom:80px;flex-wrap:wrap;justify-content:center}.hero-meta span{display:flex;align-items:center;gap:6px}.hero-meta a{color:var(--color-text-muted);text-decoration:none}.hero-meta a:hover{color:var(--color-accent-blue)}.typing-demo-container{width:100%;max-width:960px;margin:0 auto}.typing-demo{background:var(--color-pure-white);border:1px solid var(--color-border);border-radius:var(--radius-xl);box-shadow:var(--shadow-xl);overflow:hidden}.demo-titlebar{height:38px;background:var(--color-warm-white);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 16px;gap:8px;position:relative}.traffic-light{width:12px;height:12px;border-radius:50%}.tl-red{background:#ff5f56}.tl-yellow{background:#ffbd2e}.tl-green{background:#27c93f}.demo-titlebar-text{position:absolute;left:50%;transform:translate(-50%);font-size:13px;color:var(--color-text-muted);font-weight:500}.demo-editor{padding:32px 40px;min-height:440px;font-family:var(--font-sans);font-size:16px;line-height:1.75;color:var(--color-text-primary)}.demo-editor h1{font-size:2em;font-weight:700;line-height:1.3;margin-bottom:16px;letter-spacing:-.01em}.demo-editor p{margin-bottom:12px}.demo-editor ul{list-style:none;padding-left:24px;margin-bottom:16px}.demo-editor ul li{margin-bottom:4px}.demo-math{text-align:center;padding:20px;margin:16px 0;background:var(--color-warm-white);border-radius:var(--radius-md);font-family:Times New Roman,serif;font-size:24px;font-style:italic}.demo-codeblock{margin:16px 0;padding:16px 20px;font-family:SF Mono,Fira Code,Cascadia Code,monospace;font-size:15px;line-height:1.6;color:var(--color-text-primary);background:var(--color-warm-white);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow-x:auto}.demo-codeblock code{font-family:inherit}.typing-cursor{display:inline-block;width:2px;height:1.1em;background:var(--color-accent-blue);margin-left:1px;vertical-align:text-bottom;animation:blink 1s step-end infinite}@keyframes blink{50%{opacity:0}}@media(max-width:767px){.hero-title{font-size:40px}.hero-tagline{font-size:18px}.hero-buttons{flex-direction:column;width:100%;max-width:320px}.hero-buttons .btn{width:100%;justify-content:center}.demo-editor{padding:20px;min-height:320px}}.features-section{padding-top:32px}.feature-row{display:flex;align-items:center;gap:64px;margin-bottom:128px}.feature-row:last-child{margin-bottom:0}.feature-row.reverse{flex-direction:row-reverse}.feature-image{flex:0 0 58%;max-width:58%}.feature-image-placeholder{aspect-ratio:16/10;background:var(--color-warm-white);border:1px solid var(--color-border);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}.feature-text{flex:1}.feature-text h3{font-family:var(--font-display);font-size:32px;font-weight:600;line-height:1.3;margin-bottom:16px}.feature-text p{font-size:18px;line-height:1.75;color:var(--color-text-secondary);margin-bottom:24px}.feature-text .learn-more{font-size:16px;font-weight:500;color:var(--color-accent-blue)}.mini-editor{width:100%;height:100%;display:flex;flex-direction:column}.mini-titlebar{height:28px;background:var(--color-warm-white);border-bottom:1px solid var(--color-border);display:flex;align-items:center;padding:0 12px;gap:6px;flex-shrink:0}.mini-titlebar .dot{width:8px;height:8px;border-radius:50%}.mini-body{flex:1;padding:16px 20px;font-size:13px;line-height:1.7;color:var(--color-text-primary);overflow:hidden}.mini-body h3{font-size:18px;font-weight:700;margin-bottom:8px}.mini-body p{font-size:13px;margin-bottom:6px;color:var(--color-text-secondary)}.mode-toggle{display:inline-flex;border:1px solid var(--color-border);border-radius:6px;overflow:hidden;font-size:12px;margin-bottom:12px}.mode-toggle span{padding:4px 12px;color:var(--color-text-muted);border-right:1px solid var(--color-border)}.mode-toggle span:last-child{border-right:none}.mode-toggle span.active{background:var(--color-accent-blue);color:#fff}.mini-ai-panel{position:absolute;right:0;top:28px;bottom:0;width:40%;border-left:1px solid var(--color-border);background:var(--color-pure-white);display:flex;flex-direction:column;font-size:12px}.mini-ai-header{padding:10px 14px;font-weight:600;font-size:13px;border-bottom:1px solid var(--color-border)}.mini-ai-messages{flex:1;padding:12px;display:flex;flex-direction:column;gap:8px;overflow:hidden}.mini-ai-msg{padding:8px 12px;border-radius:8px;font-size:12px;line-height:1.5;max-width:85%}.mini-ai-msg.user{align-self:flex-end;background:var(--color-accent-blue);color:#fff}.mini-ai-msg.assistant{align-self:flex-start;border:1px solid var(--color-border)}.mini-ai-input{padding:10px 14px;border-top:1px solid var(--color-border);display:flex;gap:8px}.mini-ai-input input{flex:1;border:1px solid var(--color-border);border-radius:6px;padding:6px 10px;font-size:12px;background:var(--color-warm-white);color:var(--color-text-primary);outline:none}.mini-ai-input button{background:var(--color-accent-blue);color:#fff;border:none;border-radius:6px;padding:6px 12px;font-size:12px;cursor:pointer}.stats-section{background:var(--color-warm-white);padding:96px 32px}.stats-grid{max-width:var(--content-narrow);margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}.download-cta{background:var(--color-accent-blue);padding:64px 32px;text-align:center}.download-cta h2{font-family:var(--font-display);font-size:48px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:-.01em}.download-cta .cta-sub{font-size:20px;color:#ffffffe6;margin-bottom:40px}.download-cta .cta-buttons{display:flex;justify-content:center;gap:16px;margin-bottom:20px;flex-wrap:wrap}.download-cta .cta-platforms{font-size:14px;color:#ffffffb3}@media(max-width:1023px){.feature-row,.feature-row.reverse{flex-direction:column;gap:32px}.feature-image{flex:none;max-width:100%}.features-section{padding-top:24px}.feature-row{margin-bottom:96px}}@media(max-width:767px){.features-section{padding-top:16px}.stats-grid{grid-template-columns:repeat(2,1fr)}.stat-number{font-size:36px}.download-cta{padding:64px 16px}.download-cta h2{font-size:32px}.download-cta .cta-buttons{flex-direction:column;align-items:center}.feature-row{margin-bottom:64px}.feature-text h3{font-size:24px}}