.landing{background:var(--bg)}.landing h1,.landing h2,.landing h3{letter-spacing:-.015em}.wrap{max-width:1120px;margin:0 auto;padding:0 24px}.lp-btn{font:inherit;border-radius:var(--radius);border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer;justify-content:center;align-items:center;padding:11px 18px;font-size:1rem;font-weight:600;text-decoration:none;display:inline-flex}.lp-btn:hover{background:#2c3e43}.lp-btn-quiet{color:var(--ink);border-color:var(--line);background:0 0}.lp-btn-quiet:hover{border-color:var(--ink);background:0 0}.lp-btn-light{background:var(--rope);border-color:var(--rope);color:var(--ink)}.lp-btn-light:hover{background:#d8ab52}.lp-nav{z-index:10;position:sticky;top:0}.lp-links{gap:22px;margin-left:auto;margin-right:18px;display:flex}.lp-links a{color:#c3cfcd;font-size:.95rem;text-decoration:none}.lp-links a:hover{color:#fff}.lp-nav .lp-btn{padding:8px 14px;font-size:.95rem}.hero{grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);align-items:center;gap:56px;max-width:1120px;margin:0 auto;padding:72px 24px 80px;display:grid}.hero h1{letter-spacing:-.03em;font-size:clamp(2.3rem,4.6vw,3.6rem);font-weight:700;line-height:1.04}.lede{color:#33444a;max-width:34em;margin:22px 0 28px;font-size:1.15rem;line-height:1.6}.hero-actions{flex-wrap:wrap;gap:12px;display:flex}.hero-note{color:var(--ink-soft);max-width:34em;margin-top:22px;font-size:.9rem}.scene{border:1px solid var(--line);background:#dfe6e3;border-radius:14px;grid-template-rows:auto auto;grid-template-columns:minmax(0,1fr) 96px minmax(0,1fr);align-items:start;gap:48px 0;margin:0;padding:28px;display:grid;position:relative}.scene-card{z-index:1;background:var(--surface);border:1px solid var(--line);opacity:0;border-radius:10px;padding:14px 16px;font-size:.9rem;transition:opacity .5s,transform .5s,border-color .3s;position:relative;transform:translateY(6px)}.card-label{color:var(--ink-soft);margin-bottom:6px;font-size:.78rem;font-weight:600}.page-card{grid-column:1/-1}.page-title{margin-bottom:6px;font-weight:700}.page-row{border-top:1px solid #edf1ef;justify-content:space-between;gap:12px;padding:3px 0;display:flex}.page-row span:last-child{overflow-wrap:anywhere;text-align:right;font-weight:600}.hidden-line{color:#0000;border:1px dashed #0000;border-radius:6px;margin-top:10px;padding:7px 9px;font-size:.85rem;transition:color .5s,background .5s,border-color .5s}.card-head{border-bottom:1px solid #edf1ef;align-items:center;gap:10px;margin-bottom:10px;padding-bottom:10px;display:flex}.card-icon{width:30px;height:30px;color:var(--ink);flex:none}.card-title{font-size:.95rem;font-weight:700}.agent-thought{opacity:0;overflow-wrap:anywhere;margin:0;font-style:italic;line-height:1.5;transition:opacity .5s}.wallet-card{border-width:2px}.checks{gap:5px;margin:0 0 10px;padding:0;list-style:none;display:grid}.checks li{color:var(--ink-soft);align-items:center;gap:8px;display:flex}.tick{border:1.5px solid var(--line);border-radius:4px;flex:none;width:16px;height:16px;transition:background .25s,border-color .25s;position:relative}.verdict{opacity:0;gap:2px;transition:opacity .4s,transform .4s;display:grid;transform:translateY(4px)}.verdict strong{color:var(--danger);font-size:1.05rem}.verdict span{color:var(--ink-soft);font-size:.85rem}.rope{align-self:start;height:44px;margin-top:58px;position:relative}.packet-label{background:var(--ink);color:#fff;white-space:nowrap;opacity:0;border-radius:5px;padding:2px 6px;font-size:.72rem;font-weight:600;transition:opacity .3s,background .3s;position:absolute;top:0;left:50%;transform:translate(-50%)}.rope-line{background:repeating-linear-gradient(-45deg, var(--rope) 0 5px, var(--rope-deep) 5px 7px);transform-origin:0;border-radius:3px;height:6px;position:absolute;top:30px;left:-2px;right:-2px;transform:scaleX(0)}.packet{background:var(--ink);opacity:0;border:2px solid #fff;border-radius:50%;width:14px;height:14px;position:absolute;top:26px;left:0}.scene.s1 .page-card{opacity:1;transform:none}.scene.s2 .hidden-line{color:var(--danger);background:var(--danger-bg);border-color:var(--danger)}.scene.s3 .agent-card,.scene.s3 .wallet-card{opacity:1;transform:none}.scene.s3 .agent-thought{opacity:1}.scene.s4 .rope-line{transition:transform .7s;transform:scaleX(1)}.scene.s4 .packet{animation:1.3s ease-in-out .3s forwards travel}.scene.s4 .packet-label{opacity:1}.scene.s5 .packet-label{background:var(--danger)}.scene.s5 .rope-line{animation:.42s ease-out taut}.scene.s5 .packet{animation:.52s ease-out forwards recoil}.scene.s5 [data-check=allow]{color:var(--danger);font-weight:600}.scene.s5 [data-check=allow] .tick{background:var(--danger);border-color:var(--danger)}.scene.s5 [data-check=allow] .tick:before,.scene.s5 [data-check=allow] .tick:after{content:"";background:#fff;width:1.5px;height:10px;position:absolute;top:2px;left:6.5px}.scene.s5 [data-check=allow] .tick:before{transform:rotate(45deg)}.scene.s5 [data-check=allow] .tick:after{transform:rotate(-45deg)}.scene.s5 .wallet-card{border-color:var(--danger)}.scene.s6 .verdict{opacity:1;transform:none}@keyframes travel{0%{opacity:0;left:0}20%{opacity:1}to{opacity:1;left:calc(100% - 14px)}}@keyframes recoil{0%{opacity:1;background:var(--danger);left:calc(100% - 14px)}55%{opacity:1;background:var(--danger);left:calc(45% - 7px)}to{opacity:1;background:var(--danger);left:calc(50% - 7px)}}@keyframes taut{0%{transform:scaleX(1)scaleY(1)}35%{transform:scaleX(1.04)scaleY(.45)}to{transform:scaleX(1)scaleY(1)}}@media (prefers-reduced-motion:reduce){.scene *,.scene{transition:none!important;animation:none!important}.scene.s4 .rope-line{transform:scaleX(1)}.scene.s6 .packet{opacity:1;background:var(--danger);left:calc(50% - 7px)}.scene.s4 .packet-label{opacity:1}}.band{padding:88px 0}.band-alt{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.band h2{margin-bottom:14px;font-size:clamp(1.7rem,3vw,2.3rem);line-height:1.12}.band p{line-height:1.65}.section-lede{color:#33444a;max-width:44em;margin-bottom:36px;font-size:1.08rem}.two-col{grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);align-items:start;gap:56px;display:grid}.two-col p{color:#33444a;margin-bottom:14px;font-size:1.05rem}.landing code{font-family:var(--mono);background:#e2e8e6;border-radius:4px;padding:1px 5px;font-size:.88em;font-weight:500}.viewer{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}.viewer-tabs{border-bottom:1px solid var(--line);grid-template-columns:1fr 1fr;display:grid}.viewer-tabs button{color:var(--ink-soft);background:#f2f5f4;border:0;border-radius:0;padding:12px;font-weight:600}.viewer-tabs button:hover{background:#e9eeec}.viewer-tabs button[aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:inset 0 -3px 0 var(--rope)}.viewer-body{min-height:290px;padding:22px}.mock-shop .mock-title{font-size:1.3rem;font-weight:700}.mock-shop table{border-collapse:collapse;width:100%;margin:14px 0}.mock-shop th,.mock-shop td{text-align:left;border-bottom:1px solid #edf1ef;padding:7px 0}.mock-shop th{color:var(--ink-soft);font-size:.85rem;font-weight:600}.agent-text{white-space:pre-wrap;font-family:var(--mono);color:var(--ink-soft);margin:0;font-size:.85rem;line-height:1.6}.agent-text mark{background:var(--danger-bg);color:var(--danger);border-left:3px solid var(--danger);margin-top:6px;padding:8px 10px;display:block}.layers{border:1px solid var(--line);background:var(--surface);border-radius:12px;grid-template-columns:1fr 1fr 1.25fr;gap:0;margin:0 0 44px;padding:0;list-style:none;display:grid;overflow:hidden}.layers li{border-right:1px solid var(--line);padding:24px 22px}.layers li:last-child{border-right:0}.layers h3{margin-bottom:8px;font-size:1.1rem}.layers p{color:#33444a;font-size:.97rem}.layers .layer-main{background:var(--ink);color:#eef2f1}.layers .layer-main p{color:#c9d4d2}.layers .layer-main code{color:#eef2f1;background:#2c3e43}.sim{border:1px solid var(--line);background:var(--bg);border-radius:12px;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:18px 40px;padding:28px;display:grid}.sim-head{grid-column:1/-1}.sim-head h3{margin-bottom:6px;font-size:1.25rem}.sim-head p{font-size:.95rem}.sim-form select{font:inherit;border:1px solid var(--line);border-radius:var(--radius);width:100%;color:var(--ink);appearance:none;background:#fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='M1 1.5l5 5 5-5' fill='none' stroke='%2352626a' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") right 12px center/12px 8px no-repeat;padding:8px 36px 8px 10px;line-height:1.5}.sim-form select:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 2px #1f6fb240}.check-label{align-items:center;gap:8px;margin:4px 0 16px;font-weight:500;display:flex}.check-label input{width:auto}.sim-result{background:var(--surface);border:1px solid var(--line);border-radius:10px;min-height:240px;padding:18px 20px}.sim-steps{gap:8px;margin:0 0 14px;padding:0;list-style:none;display:grid}.sim-steps li{align-items:center;gap:10px;animation:.24s ease-out stepIn;display:flex}.sim-steps li:before{content:"";background:var(--ok) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M5 9.5l2.6 2.5L13 6.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat;border-radius:50%;flex:none;width:18px;height:18px}.sim-steps li.fail{color:var(--danger);font-weight:600}.sim-steps li.fail:before{background:var(--danger) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M6 6l6 6M12 6l-6 6' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/18px no-repeat}.sim-steps li.held{color:var(--rope-deep);font-weight:600}.sim-steps li.held:before{background:var(--rope) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 18 18'%3E%3Cpath d='M7 5.5v7M11 5.5v7' fill='none' stroke='white' stroke-width='2' stroke-linecap='round'/%3E%3C/svg%3E") center/18px no-repeat}.sim-verdict{border-top:1px solid var(--line);gap:2px;padding-top:12px;animation:.26s ease-out stepIn;display:grid}.sim-verdict strong{font-size:1.15rem}.sim-verdict span{color:var(--ink-soft);overflow-wrap:anywhere}.sim-verdict.sent strong{color:var(--ok)}.sim-verdict.held strong{color:var(--rope-deep)}.sim-verdict.blocked strong{color:var(--danger)}@keyframes stepIn{0%{opacity:0;transform:translate(-4px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.sim-steps li,.sim-verdict{animation:none}}.cta-row{flex-wrap:wrap;align-items:center;gap:14px 18px;margin-top:32px;display:flex}.cases{border-top:1px solid var(--line);grid-template-columns:repeat(2,minmax(0,1fr));gap:0;display:grid}.cases article{border-bottom:1px solid var(--line);padding:26px 28px 26px 0}.cases article:nth-child(odd){border-right:1px solid var(--line)}.cases article:nth-child(2n){padding-left:28px;padding-right:0}.cases h3{margin-bottom:6px;font-size:1.15rem}.cases p{color:#33444a;margin-bottom:14px}.cases dl{grid-template-columns:auto 1fr;gap:4px 16px;margin:0;font-size:.93rem;display:grid}.cases dt{color:var(--ink-soft)}.cases dd{margin:0;font-weight:600}.table-wrap{border:1px solid var(--line);border-radius:12px;overflow-x:auto}.proof{border-collapse:collapse;background:var(--surface);width:100%;min-width:680px}.proof th,.proof td{text-align:left;border-bottom:1px solid var(--line);vertical-align:top;padding:14px 16px}.proof tr:last-child td{border-bottom:0}.proof th{color:var(--ink-soft);background:#f2f5f4;font-size:.85rem;font-weight:600}.proof a{color:var(--ok);font-weight:600}.proof a.bad{color:var(--danger)}.footnote{color:var(--ink-soft);max-width:50em;margin-top:14px;font-size:.92rem}.walkthrough{grid-template-columns:minmax(0,1.15fr) minmax(0,1fr);align-items:start;gap:44px;margin-top:12px;display:grid}.wt-screen{aspect-ratio:16/11;border:1px solid var(--line);background:var(--surface);border-radius:12px;position:relative;overflow:hidden}.wt-frame{opacity:0;flex-direction:column;transition:opacity .45s;display:flex;position:absolute;inset:0}.wt-frame.active{opacity:1}.wt-bar{background:var(--ink);color:#eef2f1;justify-content:space-between;align-items:center;padding:12px 18px;font-size:.95rem;font-weight:700;display:flex}.wt-bar span:last-child{color:#c3cfcd;font-size:.88rem;font-weight:500}.wt-pill{border:1px solid #4b5d62;border-radius:5px;padding:3px 9px}.wt-body{align-content:start;gap:10px;padding:22px;display:grid}.wt-body.mono{font-family:var(--mono);gap:4px;font-size:.92rem}.wt-h{margin-bottom:4px;font-size:1.1rem;font-weight:700}.wt-input{border:1px solid var(--line);color:var(--ink-soft);border-radius:6px;padding:8px 10px;font-size:.9rem}.wt-row{grid-template-columns:repeat(auto-fit,minmax(0,1fr));gap:8px;display:grid}.wt-li{border-bottom:1px solid #edf1ef;padding:8px 0;font-weight:500}.wt-btn{background:var(--ink);color:#fff;border-radius:6px;justify-self:start;padding:8px 14px;font-size:.9rem;font-weight:600}.wt-btn.small{padding:6px 12px}.wt-btn.ghost{color:var(--ink);border:1px solid var(--line);background:0 0}.wt-held{font-family:var(--font);color:var(--rope-deep);border-left:3px solid var(--rope);background:#f7f2e7;margin-top:12px;padding:8px 10px;font-weight:600}.wt-steps{counter-reset:step;gap:4px;margin:0 0 18px;padding:0;list-style:none;display:grid}.wt-steps li{counter-increment:step;cursor:pointer;border:1px solid #0000;border-radius:10px;padding:12px 14px 12px 50px;position:relative}.wt-steps li:before{content:counter(step);width:24px;height:24px;color:var(--ink);background:#dfe6e3;border-radius:50%;place-items:center;font-size:.85rem;font-weight:700;display:grid;position:absolute;top:12px;left:14px}.wt-steps li.active{background:var(--surface);border-color:var(--line)}.wt-steps li.active:before{background:var(--rope)}.wt-steps h3{margin-bottom:2px;font-size:1.02rem}.wt-steps p{color:var(--ink-soft);font-size:.93rem}@media (prefers-reduced-motion:reduce){.wt-frame{transition:none}}.dev{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr);align-items:start;gap:44px;margin-top:72px;display:grid}.dev h3{margin-bottom:8px;font-size:1.25rem}.dev p{color:#33444a;margin-bottom:18px}.code{background:var(--ink);color:#e6ecea;font-family:var(--mono);border-radius:12px;margin:0;padding:20px 22px;font-size:.88rem;line-height:1.65;overflow-x:auto}.code .c{color:#8fa3a0}details{border-bottom:1px solid var(--line);padding:18px 0}details:first-of-type{border-top:1px solid var(--line);margin-top:18px}summary{cursor:pointer;justify-content:space-between;gap:16px;font-size:1.05rem;font-weight:600;list-style:none;display:flex}summary::-webkit-details-marker{display:none}summary:after{content:"+";color:var(--ink-soft);font-size:1.3rem;font-weight:500;line-height:1}details[open] summary:after{content:"−"}details p{color:#33444a;margin-top:10px}.closing{background:var(--ink);color:#eef2f1;padding:88px 0}.closing h2{margin-bottom:12px;font-size:clamp(1.8rem,3.2vw,2.5rem)}.closing p{color:#c3cfcd;margin-bottom:26px;font-size:1.08rem}.landing .site-footer{max-width:1120px;margin:0 auto}@media (width<=980px){.lp-nav .lp-btn{margin-left:auto}.lp-menu-btn{display:inline-flex}.lp-links{background:var(--ink);border-top:1px solid #33464b;flex-direction:column;gap:0;margin:0;padding:6px 16px 14px;display:none;position:absolute;top:100%;left:0;right:0;box-shadow:0 10px 24px #10181a40}.lp-links.open{animation:.18s ease-out menuIn;display:flex}.lp-links a{color:#eef2f1;border-bottom:1px solid #2c3e43;padding:13px 4px;font-size:1.05rem}.lp-links a:last-child{border-bottom:0}.hero{grid-template-columns:1fr;gap:40px;padding-top:48px}.two-col,.walkthrough,.dev{grid-template-columns:1fr;gap:28px}.layers{grid-template-columns:1fr}.layers li{border-right:0;border-bottom:1px solid var(--line)}.layers li:last-child{border-bottom:0}.sim{grid-template-columns:1fr}}@media (width<=640px){.wrap{padding:0 16px}.hero{padding:36px 16px 56px}.band{padding:60px 0}.scene{grid-template-columns:minmax(0,1fr) 52px minmax(0,1fr);gap:22px 0;padding:10px}.rope{margin-top:48px}.scene .scene-card{padding:10px;font-size:.8rem}.card-head{gap:6px}.card-title{white-space:nowrap;font-size:.86rem}.card-icon{width:20px;height:20px}.packet-label{padding:2px 4px;font-size:.64rem}.cases{grid-template-columns:1fr}.cases article,.cases article:nth-child(2n){border-right:0;padding:22px 0}.sim{padding:18px}.closing{padding:60px 0}}.code code{color:inherit;font-size:inherit;background:0 0;padding:0;font-weight:400}.wrap.narrow{max-width:1120px}#faq details,#faq h2{max-width:760px}main section[id]{scroll-margin-top:72px}.page-row span:last-child,.packet-label,.verdict span,.sim-verdict span,.proof td:nth-child(2),.proof td:nth-child(3),.wt-li,.wt-input,.mock-shop strong,.cases dd{font-family:var(--mono)}.page-row span:last-child,.proof td:nth-child(2),.wt-li{font-size:.92em;font-weight:500}.verdict span,.sim-verdict span{font-size:.86em}.cases dd{font-size:.9em;font-weight:500}.agent-text{font-size:.82rem}@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}#intro{display:none}.intro-on,.intro-on body{overflow:hidden}.intro-on #intro{z-index:100;background:var(--ink);cursor:pointer;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.intro-flood{background:var(--rope);z-index:2;border-radius:50%;width:24px;height:24px;position:absolute;top:0;left:0;transform:scale(0)}.intro-lockup{z-index:1;align-items:center;gap:clamp(16px,2.4vw,30px);display:flex;position:relative}.intro-mark{width:clamp(76px,11vw,150px);height:auto;overflow:visible}.intro-loop,.intro-lead{fill:none;stroke:var(--rope);stroke-width:4.5px;stroke-dasharray:1;stroke-dashoffset:1px}.intro-lead{stroke-linecap:round}.intro-clip{fill:#e9eeec;transform-origin:48px 16px;transform:scale(0)}.intro-word{font-family:var(--font);letter-spacing:-.035em;color:var(--rope);opacity:0;align-items:baseline;font-size:clamp(52px,8.2vw,112px);font-weight:700;line-height:1;display:inline-flex}.intro-dot{background:var(--rope);border-radius:50%;width:.21em;height:.21em;margin-left:.07em;display:inline-block;transform:scale(0)}.lp-menu-btn{font:inherit;color:#eef2f1;border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #4b5d62;align-items:center;gap:7px;margin-left:10px;padding:8px 12px;font-size:.95rem;font-weight:600;display:none}.lp-menu-btn:hover{background:0 0;border-color:#c3cfcd}.lp-menu-btn svg path{stroke:currentColor;stroke-width:2px;stroke-linecap:round;transform-origin:10px 10px;transition:transform .18s,opacity .18s}.lp-menu-btn[aria-expanded=true] .bar-top{transform:translateY(4px)rotate(45deg)}.lp-menu-btn[aria-expanded=true] .bar-mid{opacity:0}.lp-menu-btn[aria-expanded=true] .bar-bot{transform:translateY(-4px)rotate(-45deg)}@keyframes menuIn{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion:reduce){.lp-links.open{animation:none}.lp-menu-btn svg path{transition:none}}@media (width<=420px){.lp-menu-btn span{display:none}.lp-menu-btn{padding:8px 10px}.lp-nav .network{display:none}}@media (width<=980px){.lp-menu-btn{display:inline-flex}}