:root{--purple:#7047e8;--blue:#0071bc;--cyan:#20abe0;--ink:#19223b;--muted:#697387;--line:#e5e9f2;--paper:#f5f7fc;--navy:#17233e;--white:#fff;--green:#118969;--primary:var(--purple)}*{box-sizing:border-box}body{margin:0;font:15px/1.65 Inter,-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;color:var(--ink);background:var(--paper)}a{color:var(--blue);text-decoration:none}a:hover{color:var(--purple)}button,input,select,textarea{font:inherit}button,a,input,select,textarea{outline-offset:4px}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}h1,h2,h3,h4{line-height:1.2;letter-spacing:-.035em;color:var(--ink);margin:0 0 16px}h1{font-size:clamp(30px,3.1vw,44px);font-weight:750}h2{font-size:24px}h3{font-size:18px}p{color:var(--muted);margin:0 0 18px}small{color:var(--muted)}img{max-width:100%}.brand{display:block;line-height:1}.brand img{width:240px;height:auto;display:block}.public-header{max-width:1350px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:30px;padding:23px 38px;background:white}.public-header nav{display:flex;gap:27px;align-items:center}.public-header nav>a{font-weight:600;font-size:14px;color:var(--ink)}.public-site{background:white}.public-site .ist-main{max-width:1280px;padding:30px 38px 70px;margin:auto}.ist-button{border:1px solid var(--purple);background:var(--purple);color:white!important;display:inline-flex;align-items:center;justify-content:center;border-radius:9px;padding:12px 22px;gap:10px;font-weight:650;line-height:1.4;text-decoration:none}.ist-button:hover{background:#5932c9;box-shadow:0 6px 14px #7047e824}.ist-button.secondary{background:white;color:var(--ink)!important;border-color:var(--line)}.ist-button.small{font-size:13px;padding:10px 17px}.ist-button.danger{background:#b83f4d;border-color:#b83f4d}.ist-link{background:none;border:0;color:var(--blue);padding:5px 8px;cursor:pointer}.ist-eyebrow,.nav-label{font-size:11px;font-weight:750;letter-spacing:.13em;text-transform:uppercase;color:var(--purple);margin-bottom:15px}.hero{display:grid;grid-template-columns:1.08fr 1fr;align-items:center;gap:60px;padding:62px 0 70px}.hero h1{font-size:clamp(40px,4.8vw,66px);line-height:1.09;letter-spacing:-.055em;max-width:650px;margin-bottom:25px}.hero h1 em{font-style:normal;color:var(--purple)}.hero>div>p{font-size:17px;max-width:490px;line-height:1.9}.hero-kicker{display:inline-flex;align-items:center;gap:10px;border:1px solid #e4dcfb;background:#faf8ff;color:var(--purple);border-radius:30px;padding:7px 13px;margin-bottom:24px;font-size:12px;font-weight:650}.hero-note{font-size:12px!important;margin-top:17px}.hero-art{background:linear-gradient(145deg,#f3f0ff,#edf8fe);padding:26px;border-radius:26px;position:relative;isolation:isolate}.workflow-window{background:white;box-shadow:0 22px 50px #25265314;border:1px solid #e4e1f0;border-radius:15px;overflow:hidden}.window-bar{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;gap:7px;align-items:center;font-size:10px;color:#8490a8}.window-bar i{width:7px;height:7px;background:#d6dbe7;border-radius:50%;display:block}.window-bar span{margin-left:auto;letter-spacing:.1em}.journey{padding:25px}.journey-label{font-size:10px;color:var(--muted);letter-spacing:.12em;margin-bottom:16px}.journey-step{display:flex;gap:15px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.journey-step:last-child{border:0}.step-icon{height:40px;width:40px;display:grid;place-items:center;border-radius:12px;background:#f0eaff;color:var(--purple);font-size:20px;font-weight:600}.journey-step:nth-child(3) .step-icon{background:#e4f6ff;color:var(--blue)}.journey-step:nth-child(4) .step-icon{background:#e6f5ef;color:var(--green)}.journey-step strong{display:block;font-size:15px}.journey-step small{display:block;font-size:11px}.journey-step b{margin-left:auto;font-size:11px;color:var(--green)}.window-footer{background:#fafbff;border-top:1px solid var(--line);padding:15px 23px;color:var(--muted);font-size:11px;display:flex;justify-content:space-between}.platform-ribbon{display:grid;grid-template-columns:repeat(3,1fr);padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);gap:20px}.platform-ribbon strong{font-size:17px;display:block}.platform-ribbon span{font-size:12px;color:var(--muted)}.section{padding:65px 0 15px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-bottom:30px}.section-head h2{font-size:34px;margin-bottom:0}.section-head p{max-width:380px;font-size:14px;margin:0}.ist-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(270px,100%),1fr));gap:22px;margin:24px 0}.ist-card,.ist-stat{background:white;border:1px solid var(--line);border-radius:15px;padding:26px;box-shadow:0 3px 9px #27314d02}.ist-card h2{font-size:21px}.portal-card{position:relative;overflow:hidden;padding:31px}.portal-card .number{font-size:12px;letter-spacing:.1em;color:var(--purple);margin-bottom:40px;display:block}.portal-card h3{font-size:24px}.portal-card ul{padding-left:17px;color:var(--muted);font-size:13px;line-height:2.1;margin-bottom:24px}.portal-card>p{min-height:50px;font-size:14px}.portal-card .ist-actions{margin-bottom:0}.portal-card.featured{border-color:#d7cafa;background:#fbf9ff}.feature-strip{background:var(--navy);color:white;border-radius:19px;padding:38px;display:grid;grid-template-columns:1fr 1fr;gap:50px;margin-top:40px}.feature-strip h2{color:white;font-size:30px}.feature-strip p{color:#b7c2d7;font-size:14px}.feature-strip .ist-eyebrow{color:#b59aff}.feature-list{display:grid;gap:17px;font-size:14px}.feature-list span:before{content:'✓';color:#83d3f1;margin-right:12px}.ist-actions{display:flex;flex-wrap:wrap;gap:11px;align-items:center;margin:22px 0}.ist-footer{padding:24px 38px;display:flex;justify-content:space-between;gap:15px;flex-wrap:wrap;border-top:1px solid var(--line);color:var(--muted);font-size:11px;background:white}.workspace-sidebar{position:fixed;inset:0 auto 0 0;width:250px;background:white;border-right:1px solid var(--line);padding:24px 18px 16px;display:flex;flex-direction:column;z-index:20}.workspace-sidebar .brand{padding:5px 4px 22px}.workspace-sidebar .brand img{width:205px}.workspace-label{background:#f7f8fc;border:1px solid #eceef5;border-radius:10px;padding:12px;font-size:12px;font-weight:650;margin-bottom:20px;overflow-wrap:anywhere}.workspace-label small{display:block;margin-left:14px;font-size:10px;font-weight:450}.status-dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--green);margin-right:8px}.workspace-sidebar nav{overflow:auto;display:flex;flex-direction:column;gap:3px}.workspace-sidebar nav a{color:var(--muted);font-size:12px;padding:9px 12px;border-radius:7px}.workspace-sidebar nav a:hover,.workspace-sidebar nav a.active{color:var(--purple);background:#f1ecfc}.nav-label{color:#9aa2b4;font-size:9px;margin:15px 12px 5px}.sidebar-bottom{margin-top:auto;padding:18px 10px 0;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:8px;align-items:center;font-size:10px}.sidebar-bottom form{margin:0}.sidebar-bottom .ist-link{font-size:10px;white-space:nowrap}.app-shell{margin-left:250px}.workspace-topbar{height:72px;padding:0 36px;display:flex;justify-content:space-between;align-items:center;background:#ffffffc9;border-bottom:1px solid var(--line);font-size:12px;color:var(--muted)}.workspace-topbar b{padding:0 10px;color:#c5ccda}.ist-main{max-width:1600px;padding:36px;margin:0 auto;min-height:calc(100vh - 145px)}.ist-page-head{display:flex;justify-content:space-between;align-items:center;gap:24px;margin-bottom:26px}.ist-page-head p{margin-bottom:0}.ist-stat strong{font-size:31px;display:block;color:var(--ink);letter-spacing:-.04em}.ist-stat span{font-size:12px;color:var(--muted)}.ist-stat small{display:block;color:var(--green);font-size:10px;margin-top:10px}.ist-banner{background:linear-gradient(110deg,#f0eafe,#eff6ff);border:1px solid #e1d9f3;border-radius:15px;padding:28px;margin:25px 0;display:flex;justify-content:space-between;align-items:center;gap:20px}.ist-banner h2{margin:0}.ist-labels{display:flex;gap:9px;flex-wrap:wrap;margin:18px 0}.ist-labels span,.ist-labels a,.ist-pill{font-size:11px;display:inline-block;padding:5px 10px;border-radius:6px;background:#f0ecfb;color:var(--purple)}.ist-pill.approved,.ist-pill.paid{color:#087453;background:#e7f6ed}.ist-pill.pending{color:#94600b;background:#fff3d8}.ist-pill.rejected,.ist-pill.suspended{color:#ad3642;background:#feeef0}.ist-notice{padding:15px 20px;border:1px solid #dbe8fb;border-radius:10px;margin-bottom:20px;background:#f0f6ff;font-size:13px;color:#275282}.ist-notice.success{background:#ecf8f0;border-color:#cce9d6;color:#217347}.ist-notice.error{background:#fff0f2;border-color:#f6d5dc;color:#a72c43}.ist-form{display:grid;gap:17px}.ist-form h2{margin:6px 0}.ist-form label,label{display:grid;gap:6px;font-size:12px;font-weight:600;color:#48546d}input,select,textarea{width:100%;padding:10px 12px;border:1px solid #dce1ec;border-radius:7px;background:white;color:var(--ink);font-size:13px;min-width:0}textarea{resize:vertical}input:focus,select:focus,textarea:focus{border-color:var(--purple);outline:2px solid #7047e819}input[type=checkbox]{width:16px;height:16px;accent-color:var(--purple)}.ist-check,.ist-selection label{display:flex;align-items:center;gap:9px}.ist-selection{border:1px solid var(--line);border-radius:9px;padding:14px;max-height:370px;overflow:auto;display:grid;gap:10px}.ist-form .ist-grid{margin:0}.ist-filter{display:flex;align-items:end;gap:12px;flex-wrap:wrap;margin-bottom:22px}.ist-filter label{flex:1;min-width:150px}.ist-inline{display:inline-flex;align-items:center;gap:7px;margin:4px}.ist-table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}th{padding:12px 14px;border-bottom:1px solid var(--line);color:#8490a6;font-size:10px;text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;background:#fafbfe}td{padding:16px 14px;border-bottom:1px solid #eff1f6;vertical-align:middle}tr:last-child td{border-bottom:0}td small{display:block}td .ist-actions{margin:0}td form{margin:0}pre{overflow:auto;background:#f4f6fb;border-radius:9px;padding:16px;font:13px/1.7 ui-monospace,SFMono-Regular,Consolas,monospace}code{font-family:ui-monospace,Consolas,monospace}.ist-preserve{white-space:pre-wrap}.ist-workspace{display:grid;grid-template-columns:1fr 1.2fr;gap:20px}.ist-code-input{font-family:ui-monospace,Consolas,monospace;font-size:13px;line-height:1.7;background:#18233b;color:#e0e7f6;padding:18px}.ist-editor-card{min-width:0}.ist-statement{min-width:0;font-size:13px}.ist-statement h3{margin-top:25px}.ist-sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}.auth-layout{display:grid;grid-template-columns:1fr 1fr;gap:65px;max-width:1100px;margin:45px auto;align-items:start}.auth-story{padding:34px 15px 34px 0}.auth-story h1{font-size:44px}.auth-story .step{display:flex;gap:15px;margin:28px 0;font-size:13px}.auth-story .step b{width:28px;height:28px;flex-shrink:0;background:#f0eafb;color:var(--purple);display:grid;place-items:center;border-radius:50%;font-size:11px}.auth-story .step p{margin:0}.auth-card{padding:35px;box-shadow:0 15px 50px #29375607}.auth-card h2{font-size:26px}.auth-card .ist-button{width:100%}.auth-links{font-size:12px;display:flex;gap:15px;justify-content:space-between;margin-top:20px;flex-wrap:wrap}.auth-brand{background:#f5f1fd;border-radius:12px;padding:22px;margin-top:35px}.auth-brand img{width:260px}.compact-auth{max-width:520px;margin:50px auto}.control-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}.detail-list{display:grid;grid-template-columns:150px 1fr;gap:12px;margin:20px 0;font-size:13px}.detail-list dt{color:var(--muted)}.detail-list dd{margin:0;overflow-wrap:anywhere}.review-box{border-left:3px solid var(--purple);padding:10px 17px;background:#f8f5ff;margin:20px 0}.review-box p{margin:0}.pricing-table td{padding:23px 18px}.pricing-table strong{font-size:23px;display:block}.pricing-table .ist-button{font-size:12px}.empty-state{text-align:center;padding:40px;color:var(--muted)}.page-tabs{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.page-tabs a{padding:8px 15px;border:1px solid var(--line);background:white;border-radius:7px;font-size:12px}.support-note{font-size:12px;color:var(--muted);margin-top:22px}.divider{height:1px;background:var(--line);margin:25px 0}.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.check-list{list-style:none;padding:0;color:var(--muted);font-size:13px}.check-list li{margin:12px 0}.check-list li:before{content:'✓';color:var(--purple);margin-right:10px}@media(max-width:1100px){.workspace-sidebar{width:220px}.app-shell{margin-left:220px}.ist-main{padding:26px}.hero{gap:30px}.public-header{padding:20px 26px}.public-header nav{gap:16px}.brand img{width:205px}.workspace-sidebar .brand img{width:180px}.control-grid{grid-template-columns:1fr}.ist-workspace{grid-template-columns:1fr}}@media(max-width:800px){.public-header{align-items:start;flex-direction:column;gap:20px}.public-header nav{flex-wrap:wrap;gap:18px}.public-site .ist-main{padding:20px}.hero{grid-template-columns:1fr;padding:25px 0 40px;gap:30px}.hero h1{font-size:44px}.hero-art{max-width:550px;width:100%;margin:auto}.section-head{flex-direction:column;align-items:start;gap:15px}.feature-strip{grid-template-columns:1fr;gap:20px;padding:28px}.auth-layout{grid-template-columns:1fr;gap:15px;margin:15px auto}.auth-story{padding:15px 0}.auth-story h1{font-size:33px}.auth-story .step{display:none}.auth-brand{display:none}.workspace-sidebar{position:static;width:100%;padding:15px}.workspace-sidebar .brand img{width:210px}.workspace-sidebar .brand{padding-bottom:14px}.workspace-label{margin-bottom:8px}.workspace-sidebar nav{flex-direction:row;flex-wrap:wrap;gap:4px;max-height:180px}.workspace-sidebar nav .nav-label{width:100%;margin:8px 10px 0}.sidebar-bottom{padding:10px;margin-top:10px}.app-shell{margin-left:0}.workspace-topbar{height:auto;padding:14px 20px;font-size:10px;gap:15px}.ist-main{padding:24px 18px}.ist-page-head{flex-direction:column;align-items:start;gap:10px}.ist-banner{flex-direction:column;align-items:start}.ist-footer{padding:20px}.platform-ribbon strong{font-size:14px}.platform-ribbon span{font-size:10px}.ist-card{padding:21px}.detail-list{grid-template-columns:1fr;gap:4px}.detail-list dd{margin-bottom:12px}.info-grid{grid-template-columns:1fr}.auth-card{padding:24px}.public-header nav>a{font-size:12px}.section-head h2{font-size:29px}}

/* Production inbox and authentication branding */
.auth-card .auth-brand{margin:0 0 24px;display:flex;justify-content:flex-start;padding:0}
.auth-card .auth-brand img{width:min(100%,280px);height:auto;max-height:90px;object-fit:contain;object-position:left center}
.notification{margin-bottom:16px}.notification.unread{border-left:4px solid #0070c9}
.notification-count{margin-left:8px;background:#0070c9;color:#fff;border-radius:16px;padding:1px 8px;font-size:12px}
.workspace-sidebar nav a.active{background:rgba(0,112,201,.12);color:#0070c9;border-left:3px solid #0070c9;font-weight:700}


/* v2: consistent fixed-to-top navigation, accessible mobile menu */
.public-site .public-header { position: sticky; top: 0; z-index: 60; max-width: none; width: 100%; padding: 0 38px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.98); box-shadow: 0 5px 20px rgba(25,34,59,.055); }
.public-header-inner { width: 100%; max-width: 1274px; margin: 0 auto; min-height: 86px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.public-header .brand { flex-shrink: 0; }
.public-header nav { display: flex; align-items: center; flex-wrap: wrap; justify-content: flex-end; gap: clamp(12px,2vw,27px); }
.public-header nav > a:not(.ist-button) { position: relative; padding: 6px 0; }
.public-header nav > a:hover, .public-header nav > a.active { color: var(--purple); }
.public-header nav > a.active:not(.ist-button)::after { content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 2px; border-radius: 3px; background: var(--purple); }
.workspace-topbar { position: sticky; top: 0; z-index: 15; background: rgba(255,255,255,.97); box-shadow: 0 3px 18px rgba(25,34,59,.045); }
.public-menu-toggle { display: none; width: 43px; height: 43px; flex-shrink: 0; padding: 9px; background: #fff; border: 1px solid var(--line); border-radius: 10px; align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.public-menu-toggle span { width: 21px; height: 2px; border-radius: 3px; background: var(--ink); }
@media (max-width: 980px) {
 .public-site .public-header { padding: 0 22px; }
 .public-header-inner { min-height: 75px; position: relative; flex-wrap: wrap; }
 .public-header-inner .brand img { width: min(240px,63vw); }
 .public-menu-toggle { display: inline-flex; }
 .public-header nav { display: none; position: absolute; left: 0; right: 0; top: calc(100% - 1px); z-index: 62; padding: 16px; background: #fff; border: 1px solid var(--line); border-radius: 0 0 12px 12px; box-shadow: 0 14px 26px rgba(25,34,59,.12); flex-direction: column; align-items: stretch; gap: 4px; }
 .public-header nav.is-open { display: flex; }
 .public-header nav > a { padding: 10px 13px!important; border-radius: 7px; }
 .public-header nav > a.active:not(.ist-button)::after { display: none; }
 .public-header nav > a.active:not(.ist-button) { background: #f4f0ff; }
 .public-header nav .ist-button { margin-top: 8px; }
}
@media (prefers-reduced-motion: no-preference) { .public-header nav > a { transition: color .18s ease, background .18s ease; } }