:root{--brand: #0f766e;--brand-dark: #115e59;--brand-soft: #ccfbf1;--accent: #f59e0b;--accent-dark: #d97706;--ink: #0f172a;--muted: #475569;--line: #e2e8f0;--bg: #ffffff;--bg-alt: #f0fdfa;--card: #ffffff;--radius: 16px;--shadow: 0 1px 2px rgba(15, 23, 42, .05), 0 8px 24px rgba(15, 23, 42, .06)}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:72px}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg);line-height:1.6;-webkit-font-smoothing:antialiased}h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 .5em}h1{font-size:clamp(2.4rem,5vw,3.6rem);font-weight:800}h2{font-size:clamp(1.75rem,3.2vw,2.4rem);font-weight:800}h3{font-size:1.15rem;font-weight:700}p{margin:0 0 1em}a{color:var(--brand)}.container{width:100%;max-width:1140px;margin:0 auto;padding:0 20px}.container.narrow{max-width:780px}.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--brand);margin-bottom:.75rem}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.4em;padding:.8em 1.4em;border-radius:999px;border:2px solid transparent;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s,transform .15s,border-color .15s}.btn:hover{transform:translateY(-1px)}.btn-sm{padding:.5em 1.1em;font-size:.92rem}.btn-primary{background:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-dark)}.btn-ghost{color:var(--brand);border-color:var(--brand-soft);background:#fff}.btn-ghost:hover{border-color:var(--brand)}.btn-accent{background:var(--accent);color:var(--ink)}.btn-accent:hover{background:var(--accent-dark)}.card{background:var(--card);border:1px solid 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10px;border-radius:999px}.hc-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}.hc-list li{position:relative;display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border:1px solid var(--line);border-radius:12px}.hc-list li span{display:block;font-size:.82rem;color:var(--muted)}.hc-list li.best{border-color:var(--brand);background:var(--bg-alt)}.hc-list .badge{position:absolute;top:-10px;left:14px}.price{font-size:1.35rem;font-weight:800;text-align:right}.price small{display:block;font-size:.7rem;font-weight:500;color:var(--muted)}.hc-foot{margin-top:14px;font-size:.88rem;color:var(--muted);text-align:center}.badge{display:inline-block;background:var(--accent);color:var(--ink);font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;padding:3px 9px;border-radius:999px}.section{padding:88px 0}.section-alt{background:var(--bg-alt)}.section-head{text-align:center;max-width:720px;margin:0 auto 48px}.section-head p{color:var(--muted);font-size:1.08rem}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.step{padding:28px}.step p{color:var(--muted);margin:0}.step-n{display:inline-grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--brand);color:#fff;font-weight:800;margin-bottom:16px}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.feature,.audience{padding:28px}.feature p{color:var(--muted);margin:0}.f-icon{display:inline-grid;place-items:center;width:48px;height:48px;border-radius:14px;background:var(--brand-soft);color:var(--brand-dark);margin-bottom:16px}.demo{display:grid;grid-template-columns:340px 1fr;gap:28px;align-items:start}.demo-controls{padding:24px;display:grid;gap:18px;position:sticky;top:88px}.demo-controls label,.demo-controls fieldset{display:grid;gap:6px;border:0;padding:0;margin:0}.demo-controls label>span,.demo-controls legend{font-size:.82rem;font-weight:600;color:var(--muted);padding:0;margin-bottom:6px}.demo-controls select{font:inherit;padding:10px 12px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);width:100%}.demo-controls select:focus,.cta-form input:focus{outline:2px solid var(--brand);outline-offset:1px}.seg{display:grid;grid-template-columns:1fr 1fr;gap:6px}.seg button{font:inherit;font-size:.88rem;font-weight:600;padding:9px 8px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--muted);cursor:pointer}.seg button.active{background:var(--brand);border-color:var(--brand);color:#fff}.demo-note{font-size:.78rem;color:var(--muted);margin:0}.demo-summary{display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px;margin-bottom:14px;color:var(--muted)}.demo-summary strong{color:var(--ink)}.demo-summary 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rgba(255,255,255,.1);border-radius:var(--radius);padding:20px 22px}.why-point strong{display:block;font-size:1.4rem;color:var(--accent);margin-bottom:4px}.why-point p{margin:0;color:#cbd5e1}.checks{list-style:none;padding:0;margin:0;display:grid;gap:8px;color:var(--muted)}.checks li{display:flex;align-items:center;gap:8px}.checks svg{color:var(--brand);flex-shrink:0}.faq{display:grid;gap:12px}.faq details{padding:0;box-shadow:none}.faq summary{cursor:pointer;padding:18px 22px;font-weight:600;list-style:none;display:flex;justify-content:space-between;gap:16px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font-size:1.3rem;line-height:1;color:var(--brand);transition:transform .2s}.faq details[open] summary:after{transform:rotate(45deg)}.faq details p{padding:0 22px 18px;margin:0;color:var(--muted)}.cta{display:grid;grid-template-columns:1fr 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solid var(--line);padding:8px 20px 20px}.nav-links.open{display:flex}.nav-links a:not(.btn){padding:12px 0;border-bottom:1px solid var(--line)}.nav-links .btn{margin-top:14px}.hero{padding:48px 0 64px}.section{padding:64px 0}.steps,.grid-3{grid-template-columns:1fr}.cta{padding:28px}.result{padding:16px}}