:root{--accent:var(--profile-accent, #ff5e00);--text:#fff;--text-secondary:#ccc;--text-muted:#bbb;--bg:#050505}body{margin:0;font-family:Inter,sans-serif;color:var(--text);background:radial-gradient(circle at top,#222 0,#050505 50%,#000 100%);min-height:100vh}.landing-root{max-width:1200px;margin:0 auto;padding:80px 20px;text-align:center}.hero-title{font-size:48px;font-weight:700;margin:0;letter-spacing:-.02em}.hero-sub{margin-top:10px;font-size:18px;color:var(--text-muted);max-width:700px;margin-left:auto;margin-right:auto}.chat-modes{margin-top:60px;display:flex;justify-content:center;gap:40px;flex-wrap:wrap}.mode-card{display:block;width:260px;background:rgba(0,0,0,.85);border:2px solid var(--accent);padding:20px 20px 30px;border-radius:0;text-decoration:none;color:var(--text);transition:.2s;box-shadow:none}.mode-card:hover{transform:translateY(-2px);border-color:var(--accent)}.mode-img{width:100%;border-radius:0;margin-bottom:14px}.mode-card h2{margin:0;font-size:22px}.mode-card p{margin-top:6px;font-size:14px;color:var(--text-secondary)}.signup-cta{margin-top:70px;padding:40px 30px;background:rgba(0,0,0,.6);border:2px solid var(--accent);border-radius:0}.signup-cta h2{font-size:32px;margin:0 0 12px}.signup-cta p{font-size:16px;color:var(--text-muted);margin:0 0 24px}.cta-buttons{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.cta-btn{display:inline-block;padding:12px 28px;font-weight:600;border-radius:0;text-decoration:none;transition:.2s;font-size:16px}.cta-primary{background:var(--accent);color:#000;border:2px solid var(--accent)}.cta-primary:hover{background:var(--accent);border-color:var(--accent);filter:brightness(1.1)}.cta-secondary{background:0 0;border:2px solid var(--accent);color:var(--accent)}.cta-secondary:hover{background:rgba(255,165,0,.1)}.features-section{margin-top:80px}.section-title{font-size:32px;font-weight:700;margin:0 0 40px;color:#fff}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px;margin-top:40px}.feature-card{background:rgba(0,0,0,.6);border:1px solid var(--accent);border-radius:0;padding:24px;text-align:left;transition:.2s}.feature-card:hover{border-color:var(--accent)}.feature-card h3{font-size:18px;margin:0 0 10px;color:var(--text);font-weight:600}.feature-card p{font-size:14px;color:var(--text-secondary);line-height:1.6;margin:0}.how-it-works{margin-top:80px}.steps-container{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-top:40px}.step{background:rgba(0,0,0,.6);border:1px solid var(--accent);border-radius:0;padding:24px;text-align:center}.step-number{width:50px;height:50px;background:var(--accent);color:#000;font-size:24px;font-weight:700;border-radius:0;display:flex;align-items:center;justify-content:center;margin:0 auto 16px}.step h3{font-size:16px;margin:0 0 10px;color:#fff;font-weight:600}.step p{font-size:14px;color:var(--text-muted);line-height:1.6;margin:0}.faq-section{margin-top:80px;text-align:left;max-width:800px;margin-left:auto;margin-right:auto}.faq-container{margin-top:40px}.faq-item{background:rgba(0,0,0,.6);border:1px solid var(--accent);border-radius:0;margin-bottom:10px;overflow:hidden}.faq-question{width:100%;background:0 0;border:none;color:#fff;font-size:16px;font-weight:600;padding:18px 20px;text-align:left;cursor:pointer;display:flex;justify-content:space-between;align-items:center;transition:background .2s;font-family:inherit}.faq-question:hover{background:rgba(255,165,0,.05)}.faq-toggle{font-size:20px;color:var(--accent);font-weight:400;transition:transform .3s}.faq-item.active .faq-toggle{transform:rotate(45deg)}.faq-answer{max-height:0;overflow:hidden;transition:max-height .3s ease-out,padding .3s ease-out;padding:0 20px}.faq-item.active .faq-answer{max-height:500px;padding:0 20px 18px}.faq-answer p{margin:0;color:var(--text-secondary);font-size:14px;line-height:1.7;padding-top:10px}@media (max-width:768px){.hero-title{font-size:36px}.section-title{font-size:26px}.features-grid,.steps-container{grid-template-columns:1fr}.chat-modes{flex-direction:column;align-items:center}.cta-buttons{flex-direction:column}.cta-btn{width:100%;text-align:center}}@media (max-width:480px){.hero-title{font-size:28px}.hero-subtitle{font-size:15px}.hero-section{padding:60px 16px 40px}.section{padding:40px 16px}.cta-btn{padding:14px 20px;font-size:15px;min-height:48px}}