.auth-checking>aside,.auth-checking>main,.auth-checking>.public-landing{visibility:hidden}.signed-out{display:block;background:#f4f7f4}.signed-out>aside,.signed-out>main{display:none}.signed-out>.public-landing{display:block;visibility:visible}.signed-in>.public-landing{display:none}.signed-in>aside,.signed-in>main{visibility:visible}
.public-landing{min-height:100vh;color:#173126;background:radial-gradient(circle at 75% 20%,#dff2e7 0,transparent 34%),linear-gradient(180deg,#fbfdfb,#f2f7f3)}.landing-nav{height:78px;max-width:1160px;margin:auto;padding:0 28px;display:flex;align-items:center;justify-content:space-between}.landing-brand{display:flex;align-items:center;gap:10px;color:#173126;text-decoration:none;font-size:19px;font-weight:850}.landing-brand b{width:35px;height:35px;display:grid;place-items:center;border-radius:11px;background:#1e654c;color:white}.landing-nav>div{display:flex;align-items:center;gap:10px}.landing-login,.landing-register,.landing-primary,.landing-secondary{padding:10px 16px;border-radius:9px;text-decoration:none;font-weight:750}.landing-login{color:#275e49}.landing-register,.landing-primary{background:#1e654c;color:white}.landing-hero{max-width:1160px;margin:auto;padding:86px 28px 70px;display:grid;grid-template-columns:1.08fr .92fr;gap:78px;align-items:center}.visitor-state{display:inline-flex;align-items:center;gap:7px;padding:7px 11px;border:1px solid #cce0d3;border-radius:999px;background:#f8fcf9;color:#39745b;font-size:11px;font-weight:750}.landing-copy h1{font-size:52px;line-height:1.05;letter-spacing:-.045em;margin:21px 0;color:#163328}.landing-copy>p{max-width:590px;color:#62736a;font-size:17px;line-height:1.7}.landing-actions{display:flex;gap:11px;margin:30px 0 14px}.landing-primary,.landing-secondary{padding:13px 20px}.landing-secondary{border:1px solid #cddbd2;color:#245c46;background:#fff}.landing-copy>small{color:#809087}.landing-preview{border:1px solid #d9e5dc;border-radius:20px;background:#fff;padding:19px;box-shadow:0 28px 70px #255d4520}.preview-top{display:flex;justify-content:space-between;align-items:center;padding:4px 2px 16px;border-bottom:1px solid #edf1ee;font-weight:750}.preview-top b{font-size:10px;color:#277c58;background:#e4f5eb;padding:5px 8px;border-radius:99px}.landing-preview article{display:flex;align-items:center;gap:12px;padding:17px 2px;border-bottom:1px solid #edf1ee}.landing-preview article i{width:38px;height:38px;display:grid;place-items:center;border-radius:11px;background:#e6f2eb;color:#1e654c;font-style:normal;font-weight:850}.landing-preview article div{display:grid;gap:3px;flex:1}.landing-preview article small{color:#819087}.landing-preview article em{font-size:10px;color:#34755a;font-style:normal}.preview-safety{display:grid;gap:5px;margin-top:17px;padding:15px;border-radius:12px;background:#f4f8f5}.preview-safety span{color:#74847a;font-size:11px;line-height:1.5}.landing-features{max-width:1160px;margin:auto;padding:0 28px 70px;display:grid;grid-template-columns:repeat(3,1fr);gap:15px}.landing-features article{border:1px solid #dce6df;border-radius:14px;background:#ffffffb8;padding:22px}.landing-features b{font-size:14px}.landing-features p{margin:8px 0 0;color:#718178;line-height:1.6;font-size:12px}
@media(max-width:800px){.landing-hero{grid-template-columns:1fr;padding-top:50px;gap:45px}.landing-copy h1{font-size:39px}.landing-features{grid-template-columns:1fr}.landing-nav{padding:0 18px}.landing-hero,.landing-features{padding-left:18px;padding-right:18px}}@media(max-width:480px){.landing-nav{height:70px}.landing-register{display:none}.landing-copy h1{font-size:34px}.landing-actions{display:grid}.landing-primary,.landing-secondary{text-align:center}.landing-hero{padding-top:38px}.landing-preview{padding:14px}}
/* Official ChatFlow mark */
.landing-brand b{display:none}.landing-brand img{width:39px;height:39px;object-fit:contain}