:root{--ink:#201737;--purple:#7048e8;--pale:#f6f3ff;--line:#e8e1f2;--muted:#6c6578;--good:#177343;--bad:#b3263b}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,sans-serif;color:var(--ink);background:#fcfbff}nav{max-width:1120px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 24px}.logo{display:flex;align-items:center;gap:10px;color:var(--purple);font-size:23px;font-weight:800;text-decoration:none}.logo img{width:48px;height:48px;object-fit:cover;border-radius:50%}.links{display:flex;gap:20px}.links a{color:var(--ink);font-size:14px;font-weight:700;text-decoration:none}.links a:hover{color:var(--purple)}.hero{text-align:center;padding:90px 20px 75px;background:linear-gradient(135deg,#eee8ff,#fff4e8)}.hero h1{font-size:clamp(40px,7vw,68px);letter-spacing:-2px;margin:0}.hero h1 em{color:var(--purple);font-family:Georgia,serif}.hero p{max-width:590px;margin:20px auto;color:var(--muted);line-height:1.65;font-size:17px}.button{display:inline-block;border:0;border-radius:8px;padding:14px 20px;background:var(--ink);color:#fff;text-decoration:none;font-weight:700;font-size:14px;cursor:pointer}.button:hover{background:var(--purple)}.button.alt{background:#ede8fc;color:#5232ae}.button.alt:hover{background:#ddd2fb}.container{max-width:1120px;margin:auto;padding:70px 24px}.heading{text-align:center}.heading h2{font-size:38px;margin:0 0 10px}.heading p{color:var(--muted);margin:0 0 35px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card{display:block;background:white;border:1px solid var(--line);border-radius:12px;padding:25px;text-decoration:none;color:var(--ink);transition:.2s}.card:hover{transform:translateY(-4px);box-shadow:0 12px 28px #251a4918}.card .icon{font-size:30px}.card h3{margin:15px 0 9px;font-size:18px}.card p{color:var(--muted);line-height:1.55;font-size:14px;margin:0}.tool-page{background:var(--pale);min-height:calc(100vh - 80px);padding:55px 20px}.tool-box{max-width:790px;margin:auto;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px}.tool-box h1{font-size:32px;margin:0 0 8px}.tool-box>p{color:var(--muted);line-height:1.55;margin:0 0 24px}input,textarea{font:inherit;color:var(--ink);width:100%;padding:13px;border:1px solid #d9d1e5;border-radius:8px;background:#fff}textarea{min-height:150px;resize:vertical}input:focus,textarea:focus{outline:2px solid #c7b7ff;border-color:var(--purple)}.row{display:flex;gap:10px;flex-wrap:wrap;margin-top:15px}.note,.message{margin:12px 0 0;color:var(--muted);font-size:13px}.message.good{color:var(--good)}.message.bad{color:var(--bad)}.qr-layout{display:grid;grid-template-columns:1fr 210px;gap:24px;align-items:center}#qrResult{min-height:190px;display:grid;place-items:center;border:1px dashed #cfc4e3;border-radius:10px;padding:10px;color:var(--muted);font-size:13px;text-align:center}#qrResult img,#qrResult canvas{max-width:180px}.stats{display:flex;gap:17px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin:10px 0}.stats b{color:var(--ink)}.calc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.calc{border:1px solid var(--line);border-radius:10px;padding:18px}.calc h2{font-size:17px;margin:0 0 15px}.calc label{display:block;font-size:12px;font-weight:700;margin:10px 0 5px;color:#574e62}.result{color:var(--purple);min-height:20px;margin-top:13px;font-size:14px;font-weight:700}.info{max-width:790px;margin:0 auto;line-height:1.7}.info h1{font-size:36px}.info h2{margin-top:30px;font-size:21px}.cta{text-align:center;background:var(--ink);color:#fff;padding:68px 20px}.cta h2{font-size:38px;margin:0 0 12px}.cta p{color:#d9d1e6;margin:0 0 18px}footer{max-width:1120px;margin:auto;padding:25px 24px;display:flex;justify-content:space-between;gap:15px;color:#827a90;font-size:13px}footer a{color:#665778;text-decoration:none}@media(max-width:800px){.cards{grid-template-columns:repeat(2,1fr)}.calc-grid{grid-template-columns:1fr}.qr-layout{grid-template-columns:1fr}}@media(max-width:560px){nav{padding:12px 18px}.links{display:none}.container{padding:55px 18px}.cards{grid-template-columns:1fr}.tool-box{padding:24px 18px}.hero{padding:65px 18px}.logo img{width:43px;height:43px}footer{flex-direction:column}}