:root{--bg:#f5f7fb;--panel:#fff;--ink:#172033;--muted:#667085;--line:#d8e0eb;--blue:#1f6feb;--green:#067647;--amber:#b54708;--red:#b42318;--soft:#eef5ff;--shadow:0 14px 34px rgba(16,24,40,.08)}*{box-sizing:border-box}body{margin:0;min-height:100vh;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--ink)}button,input,select{font:inherit}button{cursor:pointer}h1,h2,p{margin-top:0}h1{font-size:2rem;line-height:1;margin-bottom:0}h2{font-size:1.02rem;margin-bottom:0}.shell{width:min(1440px,calc(100% - 28px));margin:0 auto;padding:18px 0 36px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}.eyebrow{margin:0 0 4px;color:#138a8a;font-size:.74rem;font-weight:800;text-transform:uppercase}.top-actions{display:flex;align-items:center;gap:10px}#modeBadge,.user-badge{display:inline-flex;align-items:center;min-height:36px;border-radius:8px;padding:0 10px;background:#e6f4f1;color:#105e5e;font-weight:800}.user-badge{background:#edf2ff;color:#244b8f;max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.hidden{display:none!important}.panel,.metric{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.login-panel{display:grid;place-items:center;min-height:62vh}.auth-card{width:min(460px,100%);padding:22px}.auth-card p,.fineprint{color:var(--muted)}.auth-card label+label,#codePanel{margin-top:10px}.message{min-height:22px;color:var(--red);font-weight:700}.ghost,.primary,.side-links a{display:inline-flex;align-items:center;justify-content:center;min-height:38px;border-radius:8px;padding:0 12px;font-weight:800;text-decoration:none}.ghost,.side-links a{border:1px solid var(--line);background:#fff;color:var(--blue)}.primary{border:1px solid var(--blue);background:var(--blue);color:#fff}.app-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:16px;align-items:start}.app-sidebar{position:sticky;top:16px;padding:16px}.app-main{display:grid;gap:14px}.panel-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.panel-title span{color:var(--muted);font-size:.88rem}.sidebar-metric{display:flex;align-items:center;justify-content:space-between;border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:12px;background:#fafcff}.sidebar-metric span{color:var(--muted);font-size:.86rem}.sidebar-metric strong{font-size:1.3rem}.project-list,.document-list,.findings-list{display:grid;gap:10px}.project-item,.document-item,.finding-item,.code-card{border:1px solid var(--line);border-radius:8px;padding:12px;background:#fff}.project-item.active{border-color:var(--blue);background:var(--soft)}.project-item strong,.document-item strong,.finding-item strong{display:block}.project-item span,.document-item span,.finding-item p,.finding-meta{color:var(--muted);font-size:.92rem}.side-links{display:grid;gap:8px;margin-top:16px}.side-links button,.side-links a{width:100%}.status-strip{display:grid;grid-template-columns:1.2fr repeat(2,.8fr);gap:12px}.metric{min-height:86px;padding:15px}.metric span{display:block;color:var(--muted);font-size:.84rem}.metric strong{display:block;margin-top:6px;font-size:1.7rem}.metric small{display:block;color:var(--muted);margin-top:6px}.risk-card{border-left:5px solid var(--blue)}.top-risks-panel{padding:16px}.top-risks{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:8px}.top-risk,.risk-empty{border:1px solid var(--line);border-radius:8px;background:#fff;padding:10px;min-height:86px}.top-risk{display:flex;gap:9px}.top-risk>span{color:var(--blue);font-weight:900}.top-risk strong{display:block;font-size:.88rem;line-height:1.25}.top-risk small{display:block;color:var(--muted);margin-top:6px;font-size:.78rem}.tabbar{display:flex;gap:8px;border-bottom:1px solid var(--line);padding-left:4px}.tab-button{min-height:42px;border:0;border-bottom:3px solid transparent;background:transparent;color:var(--muted);font-weight:900;padding:0 14px}.tab-button.active{color:var(--blue);border-bottom-color:var(--blue)}.tab-panel{display:none}.tab-panel.active{display:block}.tab-panel>.panel,.main-grid>.panel{padding:18px}.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.form-grid button{grid-column:1/-1}label{display:grid;gap:6px;color:var(--muted);font-size:.88rem;font-weight:800}input,select{width:100%;min-height:42px;border:1px solid var(--line);border-radius:8px;padding:9px 11px;color:var(--ink);background:#fff}input:focus,select:focus{outline:3px solid rgba(31,111,235,.18);border-color:var(--blue)}.drop-zone{position:relative;display:grid;place-items:center;gap:6px;min-height:132px;border:2px dashed #9fb2c8;border-radius:8px;background:#f8fbff;text-align:center;padding:18px;margin-bottom:14px}.drop-zone input{position:absolute;inset:0;opacity:0}.drop-zone p{margin-bottom:0;font-weight:900}.drop-zone span{color:var(--muted)}.document-item{display:flex;justify-content:space-between;align-items:center;gap:10px}.doc-actions{display:flex;gap:8px}.danger{color:var(--red)!important}.wide{width:100%;margin-top:10px}.severity{display:inline-flex;align-items:center;min-height:26px;border-radius:8px;padding:0 9px;font-size:.8rem;font-weight:900}.severity.high{background:#fee4e2;color:var(--red)}.severity.medium{background:#fef0c7;color:var(--amber)}.severity.low{background:#dcfae6;color:var(--green)}.finding-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px}.file-chip{display:inline-flex;min-height:24px;align-items:center;margin-bottom:6px;padding:0 8px;border-radius:8px;background:var(--soft);color:#1f4e8c;font-size:.78rem;font-weight:900}.finding-meta{display:flex;flex-wrap:wrap;gap:8px 14px}.discipline-group{border:1px solid var(--line);border-radius:8px;background:#fff;overflow:hidden}.discipline-header{width:100%;display:flex;align-items:center;justify-content:space-between;min-height:46px;border:0;background:#f8fbff;padding:0 12px;color:var(--ink);font-weight:900}.discipline-header span{color:var(--muted)}.discipline-items{display:grid;gap:10px;padding:10px}.discipline-group.collapsed .discipline-items{display:none}.code-basis{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.code-card{background:var(--soft);border-color:#bdd3f4}.code-card span{display:block;color:#1f4e8c;font-weight:900}.code-card small{display:block;color:var(--muted);margin-top:4px}.upload-pending{border-color:#9fb2c8;background:#f8fbff}.upload-pending .upload-status{display:block;margin-top:4px;color:var(--blue);font-weight:900}.upload-bar{width:min(360px,100%);height:8px;margin-top:8px;border-radius:999px;background:#dbe7f7;overflow:hidden}.upload-bar i{display:block;height:100%;border-radius:999px;background:var(--blue);transition:width .2s ease}.upload-done{border-color:#8fd6ad;background:#f2fbf5}.upload-done .upload-status{color:var(--green)}.upload-error{border-color:#f7a29b;background:#fff4f2}.upload-error .upload-status{color:var(--red)}html[data-theme="dark"]{color-scheme:dark}html[data-theme="dark"] body{--bg:#101624;--panel:#182033;--ink:#edf2ff;--muted:#a8b3c7;--line:#31405d;--blue:#6aa3ff;--green:#5bd18a;--amber:#f6b85f;--red:#ff8a80;--soft:#1b2c4a;--shadow:0 18px 45px rgba(0,0,0,.35)}html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] .project-item,html[data-theme="dark"] .document-item,html[data-theme="dark"] .finding-item,html[data-theme="dark"] .code-card,html[data-theme="dark"] .ghost,html[data-theme="dark"] .top-risk,html[data-theme="dark"] .discipline-group{background:#151c2c;color:var(--ink);border-color:var(--line)}html[data-theme="dark"] .sidebar-metric,html[data-theme="dark"] .drop-zone,html[data-theme="dark"] .discipline-header{background:#121a2b;border-color:#465a7c}html[data-theme="dark"] .project-item.active{background:#1b2c4a}html[data-theme="dark"] .file-chip{background:#20385f;color:#cfe1ff}@media(max-width:1100px){.app-shell{grid-template-columns:1fr}.app-sidebar{position:static}.top-risks{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:720px){.shell{width:min(100% - 20px,1440px)}.topbar,.document-item,.finding-head{flex-direction:column;align-items:stretch}.status-strip,.form-grid,.code-basis,.top-risks{grid-template-columns:1fr}.tabbar{overflow:auto}.tab-button{white-space:nowrap}}

.legal-page{max-width:880px;margin:0 auto;padding:28px}.legal-page h1{font-size:2rem}.legal-page section{margin:18px 0}.legal-page li{margin:8px 0}

.user-list{display:grid;gap:10px;margin-top:14px}.user-item{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1px solid var(--line);border-radius:8px;background:var(--panel);padding:12px}.user-item strong{display:block}.user-item span{display:block;color:var(--muted);font-size:.88rem}.role-chip{display:inline-flex!important;align-items:center;justify-content:center;min-height:26px;border-radius:8px;padding:0 8px;background:var(--soft);color:var(--blue)!important;font-weight:900}.admin-form label:nth-child(5){grid-column:1/-1}@media(max-width:720px){.user-item{align-items:flex-start;flex-direction:column}}
.ai-notice{border:1px solid #f6c66a;background:#fff8e6;color:#6f4400;border-radius:8px;padding:10px 12px;margin-bottom:12px}.help-grid{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(300px,.9fr);gap:16px}.help-actions{display:flex;gap:8px;margin:10px 0}.faq-list{display:grid;gap:10px}.faq-item,.support-box{border:1px solid var(--line);border-radius:8px;background:#fff;padding:12px}.faq-item span{display:block;color:var(--muted);font-size:.8rem;font-weight:800}.faq-item strong{display:block;margin:4px 0}.faq-item p{color:var(--muted);margin-bottom:0}.support-form{display:grid;gap:10px}.support-form textarea{width:100%;border:1px solid var(--line);border-radius:8px;padding:9px 11px;background:#fff;color:var(--ink);font:inherit}.finding-review{display:grid;grid-template-columns:180px minmax(180px,1fr) auto;gap:8px;margin-top:10px}.finding-review button{min-height:42px}html[data-theme="dark"] .ai-notice{background:#2b2414;color:#ffd98a;border-color:#725a1e}html[data-theme="dark"] .faq-item,html[data-theme="dark"] .support-box,html[data-theme="dark"] .support-form textarea{background:#151c2c;color:var(--ink);border-color:var(--line)}@media(max-width:900px){.help-grid,.finding-review{grid-template-columns:1fr}}.auth-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:16px}.auth-tab{min-height:42px;border:1px solid var(--line);background:#fff;color:var(--muted);border-radius:8px;font-weight:900}.auth-tab.active{background:var(--blue);border-color:var(--blue);color:#fff}.auth-mode{display:none}.auth-mode.active{display:grid;gap:10px}.name-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}html[data-theme="dark"] .auth-tab{background:#151c2c;color:var(--muted);border-color:var(--line)}html[data-theme="dark"] .auth-tab.active{background:var(--blue);color:#07101f}@media(max-width:520px){.name-grid,.auth-tabs{grid-template-columns:1fr}}
html[data-theme="dark"] #modeBadge,
html[data-theme="dark"] .user-badge{
  background:#122f35;
  color:#d8fffb;
  border:1px solid #285865;
}

.package-progress{display:grid;gap:.45rem;padding:.7rem 1rem;border-top:1px solid #253852;border-bottom:1px solid #253852;background:#0c1726}.package-progress.hidden{display:none}.package-progress>div{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap}.package-progress progress{width:100%;height:.45rem;accent-color:#21d4a7}.package-progress-meta{color:#9eb0c8;font-size:.82rem}.sheet-processing-state{margin-left:auto;font-size:.68rem;padding:.18rem .4rem;border-radius:999px;background:#24354d}.sheet-processing-state.ready{color:#62e6c1}.sheet-processing-state.failed{color:#ff9b9b}.sheet-retry{margin-left:.35rem;padding:.2rem .45rem;font-size:.7rem}
html[data-theme="dark"] .side-links a,
html[data-theme="dark"] .risk-empty,
html[data-theme="dark"] .top-risk,
html[data-theme="dark"] .upload-pending{
  background:#151c2c;
  color:var(--ink);
  border-color:var(--line);
}
html[data-theme="dark"] .side-links a:hover,
html[data-theme="dark"] .ghost:hover{
  background:#1b2c4a;
}
html[data-theme="dark"] .upload-bar{
  background:#253650;
}
html[data-theme="dark"] .upload-done{
  background:#10291f;
  border-color:#2e7d57;
}
html[data-theme="dark"] .upload-error{
  background:#331b1f;
  border-color:#85404a;
}
html[data-theme="dark"] .severity.high{
  background:#3b1c20;
  color:#ffb4ad;
}
html[data-theme="dark"] .severity.medium{
  background:#352711;
  color:#ffd28a;
}
html[data-theme="dark"] .severity.low{
  background:#123322;
  color:#9ef0b7;
}
.sidebar-note{
  margin:-4px 0 12px;
  color:var(--muted);
  font-size:.82rem;
  line-height:1.35;
}
.project-item{
  text-align:left;
}
.project-item small{
  display:block;
  margin-top:5px;
  color:var(--muted);
  font-size:.78rem;
  line-height:1.3;
}

/* Premium public landing page */
.login-panel{
  display:block;
  min-height:auto;
}
.landing-page{
  min-height:100vh;
  margin:-18px calc(50% - 50vw) -36px;
  padding:20px max(24px,calc((100vw - 1180px)/2)) 38px;
  background:#08111d;
  color:#fff;
  overflow:hidden;
}
.landing-page a{
  color:inherit;
  text-decoration:none;
}
.landing-nav{
  position:sticky;
  top:0;
  z-index:20;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  min-height:76px;
  border-bottom:1px solid rgba(255,255,255,.08);
  background:rgba(8,17,29,.88);
  backdrop-filter:blur(18px);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:850;
  letter-spacing:0;
}
.brand-mark::before{
  content:"";
  width:28px;
  height:28px;
  border-radius:9px;
  background:#21d4a7;
  box-shadow:0 0 28px rgba(33,212,167,.32);
}
.nav-links{
  display:flex;
  align-items:center;
  gap:22px;
  color:#a8b2c1;
  font-size:.92rem;
}
.nav-links a:hover{
  color:#fff;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
}
.nav-login,.nav-start,.cta-primary,.cta-secondary{
  min-height:42px;
  border-radius:14px;
  padding:0 18px;
  border:1px solid rgba(255,255,255,.1);
  background:transparent;
  color:#fff;
  font-weight:800;
}
.nav-start,.cta-primary{
  background:#21d4a7;
  border-color:#21d4a7;
  color:#06120f;
  box-shadow:0 0 34px rgba(33,212,167,.22);
}
.cta-secondary{
  background:#101a28;
  color:#d9e1ec;
}
.nav-login:hover,.cta-secondary:hover{
  border-color:rgba(76,201,240,.45);
  background:#101a28;
}
.nav-start:hover,.cta-primary:hover{
  transform:translateY(-1px);
  box-shadow:0 0 44px rgba(33,212,167,.34);
}
.hero-section{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(440px,.92fr);
  gap:56px;
  align-items:center;
  min-height:calc(100vh - 96px);
  padding:70px 0 54px;
}
.hero-kicker{
  margin:0 0 18px;
  color:#21d4a7;
  font-size:.82rem;
  font-weight:850;
  text-transform:uppercase;
}
.hero-copy h1{
  max-width:820px;
  margin:0;
  font-size:clamp(3.25rem,6.6vw,6.8rem);
  line-height:.95;
  letter-spacing:0;
}
.hero-copy h1 span{
  color:#21d4a7;
}
.hero-subtitle{
  max-width:680px;
  margin:26px 0 0;
  color:#a8b2c1;
  font-size:1.12rem;
  line-height:1.65;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.hero-actions button{
  min-height:52px;
  padding:0 22px;
}
.trust-note{
  margin:18px 0 0;
  color:#7b8698;
  font-size:.95rem;
}
.blueprint-demo{
  transform:perspective(1200px) rotateX(calc(var(--my,0)*-4deg)) rotateY(calc(var(--mx,0)*5deg));
  transition:transform .18s ease;
}
.demo-toolbar{
  display:flex;
  align-items:center;
  gap:8px;
  min-height:52px;
  padding:0 14px;
  border:1px solid rgba(255,255,255,.08);
  border-bottom:0;
  border-radius:22px 22px 0 0;
  background:#101a28;
}
.demo-toolbar span{
  width:10px;
  height:10px;
  border-radius:50%;
  background:#334155;
}
.demo-toolbar button{
  width:34px;
  height:34px;
  margin-left:auto;
  border-radius:10px;
  border:1px solid rgba(255,255,255,.08);
  background:#131f30;
  color:#a8b2c1;
}
.demo-toolbar button+button{
  margin-left:0;
}
.blueprint-canvas{
  position:relative;
  min-height:430px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:0 0 22px 22px;
  background:#0d1828;
  box-shadow:0 28px 70px rgba(0,0,0,.36);
  overflow:hidden;
}
.plan-grid{
  position:absolute;
  inset:0;
  background-image:linear-gradient(rgba(76,201,240,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(76,201,240,.08) 1px,transparent 1px);
  background-size:28px 28px;
}
.plan-room{
  position:absolute;
  border:2px solid rgba(76,201,240,.56);
  background:rgba(76,201,240,.04);
}
.room-a{left:46px;top:62px;width:230px;height:150px}
.room-b{left:274px;top:62px;width:170px;height:240px}
.room-c{left:74px;top:238px;width:210px;height:130px}
.measurement{
  position:absolute;
  min-height:26px;
  border-radius:999px;
  padding:4px 10px;
  background:rgba(33,212,167,.12);
  color:#21d4a7;
  border:1px solid rgba(33,212,167,.34);
  font-size:.78rem;
  font-weight:900;
}
.measure-a{left:96px;top:40px}
.measure-b{left:310px;top:315px}
.issue-marker{
  position:absolute;
  width:18px;
  height:18px;
  border-radius:50%;
  border:3px solid #08111d;
  background:#ff5a5a;
  box-shadow:0 0 0 8px rgba(255,90,90,.15);
}
.marker-a{left:248px;top:122px}
.marker-b{left:398px;top:214px}
.marker-c{left:176px;top:306px}
.assistant-panel{
  position:absolute;
  right:18px;
  bottom:18px;
  width:min(240px,44%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  padding:14px;
  background:rgba(19,31,48,.92);
  box-shadow:0 18px 38px rgba(0,0,0,.28);
}
.assistant-panel strong{
  display:block;
  color:#fff;
  margin-bottom:10px;
}
.assistant-panel p{
  margin:8px 0 0;
  color:#a8b2c1;
  font-size:.82rem;
}
.floating-issues{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
  margin-top:12px;
}
.floating-issues article,.feature-bar article,.audience-grid article{
  border:1px solid rgba(255,255,255,.08);
  border-radius:18px;
  background:#131f30;
  box-shadow:0 16px 36px rgba(0,0,0,.18);
  transition:transform .18s ease,border-color .18s ease;
}
.floating-issues article:hover,.feature-bar article:hover,.audience-grid article:hover{
  transform:translateY(-4px);
  border-color:rgba(33,212,167,.28);
}
.floating-issues article{
  padding:12px;
}
.floating-issues span{
  color:#4cc9f0;
  font-weight:900;
  margin-right:8px;
}
.floating-issues strong{
  font-size:.88rem;
}
.feature-bar{
  display:grid;
  grid-template-columns:repeat(6,minmax(0,1fr));
  gap:12px;
  padding:28px 0 76px;
}
.feature-bar article{
  padding:18px;
}
.feature-bar span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:38px;
  height:30px;
  margin-bottom:16px;
  border-radius:10px;
  background:rgba(33,212,167,.1);
  color:#21d4a7;
  font-size:.72rem;
  font-weight:900;
}
.feature-bar strong{
  display:block;
  color:#fff;
}
.feature-bar p,.audience-grid li,.mission-section span{
  color:#a8b2c1;
  line-height:1.55;
}
.feature-bar p{
  margin:10px 0 0;
  font-size:.92rem;
}
.audience-section,.mission-section{
  padding:72px 0;
}
.section-heading{
  max-width:720px;
  margin-bottom:28px;
}
.section-heading p,.mission-section p{
  margin:0 0 12px;
  color:#21d4a7;
  font-size:.82rem;
  font-weight:850;
  text-transform:uppercase;
}
.section-heading h2,.mission-section h2{
  margin:0;
  color:#fff;
  font-size:clamp(2rem,4vw,3.6rem);
  line-height:1.05;
}
.audience-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.audience-grid article{
  padding:24px;
}
.audience-grid h3{
  margin:0 0 16px;
  font-size:1.35rem;
}
.audience-grid ul{
  display:grid;
  gap:10px;
  margin:0;
  padding-left:18px;
}
.mission-section{
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mission-section span{
  display:block;
  max-width:760px;
  margin-top:22px;
  font-size:1.08rem;
}
.landing-footer{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding-top:34px;
  color:#a8b2c1;
}
.landing-footer strong{
  color:#fff;
}
.landing-footer nav{
  display:flex;
  flex-wrap:wrap;
  justify-content:center;
  gap:14px;
  font-size:.9rem;
}
.auth-modal{
  position:fixed;
  inset:0;
  z-index:60;
  display:grid;
  place-items:center;
  padding:22px;
  background:rgba(8,17,29,.68);
  backdrop-filter:blur(18px);
  animation:fadeIn .18s ease;
  overflow:hidden;
}
.auth-modal .auth-card{
  width:min(520px,100%);
  max-height:calc(100vh - 56px);
  overflow:auto;
  padding:18px;
  border-color:rgba(255,255,255,.1);
  border-radius:22px;
  background:rgba(16,26,40,.94);
  color:#fff;
  box-shadow:0 30px 80px rgba(0,0,0,.45);
}
.modal-close{
  position:fixed;
  top:22px;
  right:24px;
  width:44px;
  height:44px;
  border-radius:14px;
  border:1px solid rgba(255,255,255,.1);
  background:#101a28;
  color:#fff;
  font-size:1.5rem;
}
.auth-modal input{
  background:#08111d;
  color:#fff;
  border-color:rgba(255,255,255,.1);
  min-height:40px;
}
.auth-modal label{
  color:#a8b2c1;
}
.auth-modal .auth-tab{
  background:#08111d;
  color:#a8b2c1;
  border-color:rgba(255,255,255,.1);
}
.auth-modal .auth-tab.active{
  background:#21d4a7;
  border-color:#21d4a7;
  color:#06120f;
}
.auth-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.check-row{
  display:flex;
  grid-template-columns:auto 1fr;
  align-items:center;
  gap:8px;
}
.check-row input{
  width:auto;
  min-height:auto;
}
.text-link{
  border:0;
  background:transparent;
  color:#4cc9f0;
  font-weight:800;
}
.sso-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:8px;
}
.auth-divider{display:flex;align-items:center;gap:10px;color:#7f8ba0;font-size:.76rem;text-transform:uppercase;letter-spacing:.08em}.auth-divider::before,.auth-divider::after{content:"";height:1px;flex:1;background:rgba(255,255,255,.1)}
.oauth-btn{position:relative;min-height:40px}.oauth-btn.dropbox{color:#8db7ff}.oauth-unconfigured{opacity:.72}.auth-back{justify-self:start;padding:0}.auth-mode.active{gap:8px}.auth-mode.active>p{margin-bottom:4px}.auth-modal .message{margin:8px 0 0;overflow-wrap:anywhere}
.auth-modal .ghost{
  background:#101a28;
  color:#d9e1ec;
  border-color:rgba(255,255,255,.1);
}
@keyframes fadeIn{
  from{opacity:0;transform:translateY(8px)}
  to{opacity:1;transform:translateY(0)}
}
@media(max-width:1040px){
  .nav-links{display:none}
  .hero-section{grid-template-columns:1fr;gap:30px}
  .blueprint-demo{max-width:720px}
  .feature-bar{grid-template-columns:repeat(3,minmax(0,1fr))}
}
@media(max-width:760px){
  .landing-page{padding-left:18px;padding-right:18px}
  .landing-nav{align-items:flex-start;flex-direction:column;padding:14px 0}
  .nav-actions{width:100%}
  .nav-actions button{flex:1}
  .hero-section{padding-top:48px}
  .hero-copy h1{font-size:3rem}
  .blueprint-canvas{min-height:360px}
  .assistant-panel{position:absolute;width:70%;right:12px;bottom:12px}
  .feature-bar,.audience-grid,.floating-issues{grid-template-columns:1fr}
  .landing-footer{align-items:flex-start;flex-direction:column}
  .sso-grid{grid-template-columns:1fr}
}

/* Landing visual refresh inspired by modern AI product pages */
.landing-page{
  max-width:none;
  padding:26px max(28px,calc((100vw - 1500px)/2)) 0;
  background:
    radial-gradient(circle at 78% 24%,rgba(76,201,240,.12),transparent 32%),
    radial-gradient(circle at 18% 12%,rgba(33,212,167,.12),transparent 28%),
    #07101b;
}
.landing-page:before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  background:linear-gradient(180deg,rgba(255,255,255,.03),transparent 38%,rgba(33,212,167,.04));
}
.landing-nav{
  max-width:1420px;
  margin:0 auto;
  padding:18px 0 34px;
}
.brand-mark:before{
  width:32px;
  height:32px;
  border-radius:9px;
  box-shadow:0 0 0 1px rgba(255,255,255,.18) inset,0 12px 32px rgba(33,212,167,.18);
}
.nav-links{
  gap:38px;
}
.nav-links a{
  color:#d6dee9;
  font-size:.92rem;
}
.nav-actions button{
  min-height:44px;
  border-radius:8px;
}
.landing-stage{
  max-width:1420px;
  margin:0 auto;
  min-height:500px;
  padding:42px 20px 34px;
  border:1px solid rgba(255,255,255,.07);
  border-bottom:0;
  border-radius:0;
  background:rgba(10,20,33,.28);
  box-shadow:0 20px 80px rgba(0,0,0,.22);
}
.hero-section{
  grid-template-columns:minmax(390px,.78fr) minmax(680px,1.22fr);
  gap:74px;
  align-items:center;
}
.hero-copy{
  max-width:560px;
  padding-left:2px;
}
.hero-kicker{
  display:inline-flex;
  align-items:center;
  border:1px solid rgba(105,230,151,.38);
  border-radius:999px;
  padding:8px 18px;
  color:#7fe49a;
  background:rgba(37,161,94,.09);
}
.hero-copy h1{
  margin-top:26px;
  font-size:clamp(3.4rem,5.15vw,5.8rem);
  line-height:.98;
  letter-spacing:0;
}
.hero-copy h1 span{
  color:#83e79d;
  background:linear-gradient(90deg,#87e78c,#70d7f7);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-subtitle{
  max-width:510px;
  color:#c7d0de;
  font-size:1.16rem;
}
.hero-actions{
  gap:16px;
}
.cta-primary,.cta-secondary{
  min-height:54px;
  border-radius:8px;
  padding:0 28px;
}
.cta-primary{
  color:#0b1b18;
  background:linear-gradient(90deg,#89e88e,#74d9f6);
  box-shadow:0 16px 44px rgba(33,212,167,.22);
}
.cta-primary:after{
  content:"->";
  margin-left:14px;
}
.cta-secondary:after{
  content:">";
  margin-left:14px;
  font-size:.85em;
}
.trust-note{
  max-width:480px;
  color:#9ba7b7;
}
.blueprint-demo{
  overflow:hidden;
  border:1px solid rgba(255,255,255,.16);
  border-radius:14px;
  background:#111c2b;
  box-shadow:0 26px 90px rgba(0,0,0,.34);
}
.demo-windowbar{
  display:grid;
  grid-template-columns:1fr auto auto;
  align-items:center;
  gap:18px;
  min-height:46px;
  padding:0 16px;
  border-bottom:1px solid rgba(255,255,255,.08);
  color:#dfe7f2;
  background:rgba(15,25,39,.94);
}
.demo-file{
  display:flex;
  align-items:center;
  gap:12px;
  min-width:0;
}
.demo-file span{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:28px;
  height:22px;
  border-radius:5px;
  color:#96d8ff;
  background:rgba(76,201,240,.12);
  font-size:.68rem;
  font-weight:900;
}
.demo-file strong{
  overflow:hidden;
  color:#dfe7f2;
  font-size:.9rem;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.demo-people{
  display:flex;
  padding-left:10px;
}
.demo-people i{
  width:24px;
  height:24px;
  margin-left:-8px;
  border:2px solid #182437;
  border-radius:50%;
  background:linear-gradient(135deg,#75d58a,#71c7f2);
}
.demo-people i:nth-child(2){background:linear-gradient(135deg,#f0b86a,#78d8ee)}
.demo-people i:nth-child(3){background:linear-gradient(135deg,#b681f1,#71d79f)}
.demo-people i:nth-child(4){background:linear-gradient(135deg,#ffd36b,#58d49a)}
.demo-windowbar button{
  min-height:30px;
  border-radius:8px;
  color:#e8eef8;
  background:#19263a;
}
.demo-body{
  display:grid;
  grid-template-columns:48px minmax(0,1fr) 260px;
  min-height:400px;
}
.demo-rail{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:18px;
  padding-top:22px;
  border-right:1px solid rgba(255,255,255,.07);
  background:#111a29;
}
.demo-rail span{
  width:28px;
  height:28px;
  border-radius:8px;
  border:1px solid rgba(255,255,255,.09);
  background:#1b2940;
}
.demo-rail span:first-child{
  background:#79a7ff;
}
.blueprint-canvas{
  position:relative;
  min-height:400px;
  overflow:hidden;
  background:#0c1724;
}
.plan-grid{
  position:absolute;
  inset:0;
  opacity:.42;
  background-image:
    linear-gradient(rgba(101,191,255,.14) 1px,transparent 1px),
    linear-gradient(90deg,rgba(101,191,255,.14) 1px,transparent 1px);
  background-size:30px 30px;
}
.plan-room{
  position:absolute;
  border:2px solid rgba(188,225,245,.34);
  background:rgba(76,201,240,.035);
}
.room-a{left:9%;top:10%;width:32%;height:32%}
.room-b{left:42%;top:10%;width:30%;height:32%;border-color:rgba(75,180,255,.55)}
.room-c{left:9%;top:44%;width:42%;height:35%;border-color:rgba(161,222,91,.52)}
.room-d{left:53%;top:44%;width:32%;height:35%;border-color:rgba(75,180,255,.55)}
.door{
  position:absolute;
  width:42px;
  height:42px;
  border:2px solid rgba(255,143,67,.7);
  border-left:0;
  border-bottom:0;
  border-radius:0 42px 0 0;
}
.door-a{left:25%;top:39%}
.door-b{left:51%;top:38%}
.door-c{left:52%;top:71%}
.fixture{
  position:absolute;
  border:2px solid rgba(76,201,240,.55);
  border-radius:9px;
}
.fixture-a{right:18%;top:18%;width:44px;height:68px}
.fixture-b{right:28%;top:25%;width:34px;height:34px}
.measurement{
  position:absolute;
  color:#a8e86d;
  font-weight:900;
  text-shadow:0 0 16px rgba(168,232,109,.45);
}
.measure-a{left:35%;top:63%}
.measure-b{left:43%;top:63%}
.measure-a:before,.measure-b:before{
  content:"";
  position:absolute;
  left:-72px;
  right:-72px;
  top:50%;
  height:2px;
  background:#a8e86d;
}
.issue-marker{
  position:absolute;
  width:16px;
  height:16px;
  border:2px solid #91e88f;
  border-radius:50%;
  background:#1d422e;
  box-shadow:0 0 0 8px rgba(145,232,143,.1);
}
.marker-a{right:30%;top:39%}
.marker-b{right:20%;top:22%}
.dimension-card{
  position:absolute;
  right:5%;
  top:34%;
  width:170px;
  padding:16px;
  border:1px solid rgba(255,118,118,.58);
  border-radius:10px;
  color:#fff;
  background:rgba(120,44,54,.9);
  box-shadow:0 18px 45px rgba(0,0,0,.25);
}
.dimension-card strong,.dimension-card span,.dimension-card small{
  display:block;
}
.dimension-card span{
  margin:10px 0;
  color:#f6d6d9;
  font-size:.82rem;
}
.dimension-card small{
  color:#f5bfc4;
}
.zoom-strip{
  position:absolute;
  left:34%;
  bottom:22px;
  display:flex;
  align-items:center;
  gap:14px;
  padding:8px 14px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:999px;
  color:#dce8f4;
  background:rgba(5,10,18,.72);
}
.zoom-strip span:not(:first-child){
  width:12px;
  height:12px;
  border-radius:50%;
  background:#65738a;
}
.assistant-panel{
  position:static;
  width:auto;
  padding:22px 16px;
  border:0;
  border-left:1px solid rgba(255,255,255,.07);
  border-radius:0;
  background:#111a29;
}
.assistant-tabs{
  display:flex;
  justify-content:space-between;
  margin-bottom:18px;
  color:#dfe8f6;
}
.assistant-tabs strong{
  padding-bottom:8px;
  border-bottom:2px solid #75d58a;
}
.assistant-tabs span{
  color:#9ba7b7;
}
.assistant-panel .question,.assistant-panel .answer{
  margin:12px 0;
  padding:12px;
  border-radius:9px;
  color:#dfe8f6;
  background:#1a263a;
  font-size:.82rem;
}
.assistant-panel .answer{
  background:#142033;
}
.assistant-panel .answer strong{
  display:block;
  margin-top:6px;
  color:#82e49a;
}
.chat-input{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:18px;
  padding:10px;
  border-radius:10px;
  color:#9ba7b7;
  background:#1a263a;
}
.chat-input button{
  width:34px;
  min-height:30px;
  border-radius:8px;
  color:#0d1b18;
  background:#82e49a;
}
.feature-bar{
  max-width:1420px;
  margin:0 auto;
  padding:24px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  background:rgba(19,31,48,.72);
}
.feature-bar article{
  display:grid;
  grid-template-columns:38px 1fr;
  column-gap:12px;
  padding:12px;
  border:0;
  border-radius:8px;
  background:transparent;
  box-shadow:none;
}
.feature-bar span{
  grid-row:1 / span 2;
  width:34px;
  height:34px;
  border-color:rgba(127,228,154,.32);
  color:#82e49a;
  font-size:.62rem;
}
.feature-bar p{
  margin:4px 0 0;
  font-size:.82rem;
}
.audience-mission-grid{
  display:grid;
  grid-template-columns:minmax(0,2fr) minmax(300px,.9fr);
  gap:22px;
  max-width:1420px;
  margin:18px auto 0;
  padding:0;
}
.audience-section,.mission-section{
  padding:24px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:12px;
  background:rgba(19,31,48,.68);
}
.section-heading h2{
  font-size:1.45rem;
}
.audience-grid{
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
  margin-top:18px;
}
.audience-grid article{
  padding:18px;
  border-radius:8px;
  background:rgba(14,24,39,.92);
}
.audience-grid h3{
  color:#eaf1fb;
}
.audience-grid li{
  position:relative;
  list-style:none;
  padding-left:18px;
  font-size:.9rem;
}
.audience-grid li:before{
  content:"";
  position:absolute;
  left:0;
  top:.62em;
  width:7px;
  height:7px;
  border-radius:50%;
  background:#82e49a;
}
.mission-section{
  border-top:1px solid rgba(255,255,255,.08);
  border-bottom:1px solid rgba(255,255,255,.08);
  overflow:hidden;
}
.mission-section h2{
  font-size:1.25rem;
  line-height:1.35;
}
.security-strip{
  display:flex;
  justify-content:center;
  gap:54px;
  max-width:1420px;
  margin:18px auto 0;
  padding:18px 0;
  color:#9ba7b7;
  border-bottom:1px solid rgba(255,255,255,.07);
  font-size:.9rem;
}
.landing-footer{
  max-width:1420px;
  margin:0 auto;
  padding:22px 0 28px;
}
@media(max-width:1180px){
  .hero-section{
    grid-template-columns:1fr;
  }
  .blueprint-demo{
    max-width:none;
  }
  .audience-mission-grid{
    grid-template-columns:1fr;
  }
  .security-strip{
    flex-wrap:wrap;
    gap:18px 34px;
  }
}
@media(max-width:760px){
  .landing-page{
    padding:14px;
  }
  .landing-stage{
    padding:26px 0 20px;
    border:0;
  }
  .hero-copy h1{
    font-size:3rem;
  }
  .demo-body{
    grid-template-columns:38px minmax(0,1fr);
  }
  .assistant-panel{
    display:none;
  }
  .feature-bar,.audience-grid{
    grid-template-columns:1fr;
  }
  .feature-bar{
    padding:12px;
  }
  .audience-section,.mission-section{
    padding:18px;
  }
}

/* Final landing polish: keep the mockup balanced without horizontal scroll */
.landing-page{
  margin:-18px 0 -36px;
  overflow-x:hidden;
}
.landing-stage,.landing-nav,.feature-bar,.audience-mission-grid,.security-strip,.landing-footer{
  width:100%;
  max-width:1420px;
}
.hero-section{
  grid-template-columns:minmax(500px,.86fr) minmax(640px,1.14fr);
  gap:54px;
}
.hero-copy h1{
  font-size:clamp(3.2rem,4.2vw,4.75rem);
}
.hero-copy{
  max-width:590px;
}
.blueprint-demo{
  min-width:0;
}
.demo-body{
  grid-template-columns:48px minmax(0,1fr) 250px;
}
.nav-links{
  min-width:0;
}
@media(max-width:1250px){
  .hero-section{
    grid-template-columns:1fr;
  }
  .hero-copy{
    max-width:760px;
  }
  .hero-copy h1{
    font-size:clamp(3rem,7vw,5rem);
  }
}
/* Plan Intelligence Workspace */
.integration-card{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:20px;border:1px solid var(--border);border-radius:16px}.integration-card p{max-width:680px}.future-providers{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.future-providers span{padding:8px 12px;border:1px solid var(--border);border-radius:20px;color:var(--muted)}
.plan-workspace-tab{background:#08111d;border:1px solid rgba(255,255,255,.08);border-radius:18px;overflow:hidden;color:#edf6ff}.plan-workspace-head{min-height:70px;padding:12px 18px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08);gap:18px}.plan-workspace-head h2{font-size:18px;margin:2px 0}.workspace-kicker{font-size:10px;letter-spacing:.14em;color:#21d4a7}.workspace-modes{display:flex;background:#101a28;border-radius:12px;padding:4px}.workspace-modes button,.plan-nav-tabs button{border:0;background:transparent;color:#8f9caf;padding:8px 12px;border-radius:9px}.workspace-modes button.active,.plan-nav-tabs button.active{background:#1a2a3e;color:#fff}.workspace-modes small{color:#21d4a7}.plan-workspace-grid{display:grid;grid-template-columns:230px minmax(360px,1fr) 340px;min-height:680px}.plan-navigator,.plan-assistant{background:#0d1724;padding:14px;min-width:0}.plan-navigator{border-right:1px solid rgba(255,255,255,.08)}.plan-assistant{border-left:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column}.plan-nav-tabs{display:flex;overflow:auto;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:8px}.plan-sheet-list{display:grid;gap:8px;max-height:400px;overflow:auto;margin-top:12px}.plan-sheet{display:grid;grid-template-columns:42px 1fr;gap:9px;text-align:left;background:#111f2f;border:1px solid transparent;color:#dfeaff;padding:9px;border-radius:10px}.plan-sheet.active{border-color:#21d4a7}.sheet-thumb{display:grid;place-items:center;background:#eaf1f5;color:#14202d;border-radius:4px;font-size:10px}.plan-sheet span{display:block;color:#8493a7;font-size:11px}.overlay-manager{border-top:1px solid rgba(255,255,255,.08);margin-top:16px;padding-top:12px}.overlay-manager h3{font-size:13px}.overlay-row{display:flex;align-items:center;gap:8px;font-size:12px;margin:8px 0}.overlay-swatch{width:10px;height:10px;border-radius:50%}.plan-viewer{position:relative;background:#152334;overflow:hidden;min-height:680px}.plan-viewer iframe{width:100%;height:100%;border:0;background:#cdd5dc}.plan-empty{height:100%;display:grid;place-content:center;text-align:center;color:#8d9aae}.plan-empty strong,.plan-empty span{display:block;margin:5px}.plan-overlay-canvas{position:absolute;inset:0;pointer-events:none}.plan-highlight{position:absolute;border:2px solid var(--overlay-color);background:rgba(33,212,167,.3);border-radius:3px}.plan-assistant header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid rgba(255,255,255,.08);padding-bottom:12px}.assistant-dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:#21d4a7;margin-right:8px}.suggested-prompts{display:flex;flex-wrap:wrap;gap:6px;padding:12px 0}.suggested-prompts button{border:1px solid rgba(255,255,255,.11);border-radius:20px;background:#121f2f;color:#9fb0c4;padding:7px 9px;font-size:11px}.plan-chat-messages{flex:1;overflow:auto;display:flex;flex-direction:column;gap:10px}.assistant-message,.user-message{padding:12px;border-radius:13px;font-size:13px;line-height:1.5}.assistant-message{background:#101e2d}.user-message{background:#21463f;margin-left:30px}.answer-meta{display:flex;flex-wrap:wrap;gap:5px;margin-top:8px}.answer-meta span{background:#172a3c;border-radius:10px;padding:3px 7px;font-size:10px}.plan-chat-form{display:grid;grid-template-columns:1fr auto;gap:8px;border-top:1px solid rgba(255,255,255,.08);padding-top:12px}.plan-chat-form textarea{resize:none;background:#101d2c;border:1px solid rgba(255,255,255,.12);border-radius:12px;color:#fff;padding:10px}.verification-note{color:#78879a;margin-top:7px}@media(max-width:1100px){.plan-workspace-grid{grid-template-columns:190px 1fr}.plan-assistant{grid-column:1/-1;min-height:420px;border-left:0;border-top:1px solid rgba(255,255,255,.08)}}@media(max-width:720px){.plan-workspace-head{align-items:flex-start;flex-direction:column}.plan-workspace-grid{display:block}.plan-navigator{border-right:0}.plan-viewer{min-height:480px}.plan-assistant{min-height:480px}.workspace-modes{overflow:auto;max-width:100%}}
/* Compact landing hero and honest 3D concept preview */
html,body{max-width:100%;overflow-x:hidden}
.landing-page{padding-left:max(20px,calc((100vw - 1280px)/2));padding-right:max(20px,calc((100vw - 1280px)/2))}
.landing-stage,.landing-nav,.feature-bar,.audience-mission-grid,.security-strip,.landing-footer{max-width:1240px}
.landing-stage{min-height:auto;padding:34px 30px 32px}
.hero-section{grid-template-columns:minmax(380px,.82fr) minmax(540px,1.18fr);gap:36px;min-height:auto;padding-top:22px;padding-bottom:18px}
.hero-copy{max-width:500px}.hero-copy h1{font-size:clamp(3rem,4vw,4.15rem);line-height:1}.hero-subtitle{font-size:1rem;line-height:1.55;margin-top:20px}.hero-actions{margin-top:24px}.hero-actions button{min-height:48px}.trust-note{font-size:.84rem}
.demo-body{grid-template-columns:42px minmax(0,1fr) 220px;min-height:360px}.blueprint-canvas{min-height:360px}.assistant-panel{padding:16px 12px}.assistant-panel .question,.assistant-panel .answer{padding:9px;margin:9px 0;font-size:.74rem}.chat-input{margin-top:10px}
.demo-view-switch{position:absolute;z-index:3;left:14px;top:12px;display:flex;gap:4px;padding:4px;border:1px solid rgba(255,255,255,.1);border-radius:9px;background:rgba(7,16,27,.88);font-size:.62rem;font-weight:800;color:#8493a7}.demo-view-switch span{padding:5px 7px;border-radius:6px}.demo-view-switch .active{color:#07101b;background:#82e49a}
.measure-a{left:20%;top:64%}.measure-b{left:58%;top:73%}.measure-a:before,.measure-b:before{left:-42px;right:-42px}.dimension-card{right:4%;top:31%;width:150px;padding:12px}.dimension-card span{font-size:.72rem}
.model-preview{position:absolute;z-index:4;right:12px;bottom:12px;width:168px;height:120px;padding:9px;border:1px solid rgba(112,215,247,.32);border-radius:11px;background:rgba(11,25,40,.94);box-shadow:0 14px 35px rgba(0,0,0,.32)}.model-preview-head{display:flex;justify-content:space-between;align-items:center;font-size:.62rem}.model-preview-head strong{color:#eef8ff}.model-preview-head span{color:#7fe49a}
.iso-model{position:relative;width:108px;height:72px;margin:2px auto 0;transform:rotateX(58deg) rotateZ(-35deg);transform-style:preserve-3d}.iso-model i{position:absolute;display:block}.iso-floor{inset:12px 4px 4px;background:linear-gradient(135deg,#24465c,#162e42);border:1px solid #61c9e8;box-shadow:0 8px 24px rgba(76,201,240,.18)}.iso-wall{height:28px;background:rgba(116,219,239,.54);border:1px solid #8ae8f7;transform-origin:bottom}.wall-one{left:4px;right:4px;top:-15px;transform:rotateX(-90deg)}.wall-two{width:28px;left:-10px;top:20px;bottom:4px;transform:rotateY(90deg)}.wall-three{width:24px;right:18px;top:12px;bottom:12px;transform:rotateY(90deg)}.iso-core{width:28px;height:26px;left:42px;top:20px;background:#82e49a;border:1px solid #b2f3c1;transform:translateZ(13px);box-shadow:0 0 18px rgba(130,228,154,.34)}
.zoom-strip{left:18%;bottom:16px;transform:scale(.82);transform-origin:left bottom}
@media(max-width:1100px){.hero-section{grid-template-columns:1fr}.hero-copy{max-width:700px}.blueprint-demo{width:100%}}
@media(max-width:760px){.landing-page{padding-left:12px;padding-right:12px}.landing-stage{padding:24px 0 18px}.hero-copy h1{font-size:clamp(2.45rem,12vw,3.35rem)}.demo-body{grid-template-columns:34px minmax(0,1fr);min-height:330px}.blueprint-canvas{min-height:330px}.model-preview{width:142px;height:108px}.dimension-card{width:128px}.demo-view-switch span:last-child{display:none}}

/* Space-efficient project navigation and native plan canvas */
.app-sidebar{padding-top:56px;min-width:0}.sidebar-toggle{position:absolute;top:12px;right:12px;width:40px;padding:0;font-size:1.2rem}.sidebar-body{min-width:0}.app-shell.sidebar-collapsed{grid-template-columns:56px minmax(0,1fr)}.app-shell.sidebar-collapsed .app-sidebar{min-height:64px;padding:0}.app-shell.sidebar-collapsed .sidebar-body{display:none}.app-shell.sidebar-collapsed .sidebar-toggle{inset:12px 8px auto;width:40px}.project-item{width:100%;display:grid!important;grid-template-columns:auto minmax(0,1fr);text-align:left;align-items:start;gap:4px 9px;overflow:hidden}.project-item strong{white-space:nowrap}.project-item span,.project-item small{min-width:0;overflow-wrap:anywhere;line-height:1.35}.project-item small{grid-column:1/-1;color:var(--muted);font-size:.76rem}.sso-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.viewer-actions{display:flex;gap:6px;flex-wrap:wrap}.viewer-actions button:not(#planFullscreenBtn){min-width:42px}.plan-viewer{overflow:auto}.plan-stage{position:relative;min-width:100%;min-height:100%;display:flex;align-items:flex-start;justify-content:center}.plan-stage img{display:block;width:100%;height:auto;object-fit:contain;transform-origin:top center;transition:width .15s ease}.plan-stage .plan-overlay-canvas{inset:0;margin:auto;width:100%;height:100%;pointer-events:none}.plan-3d{min-height:680px;display:grid;place-content:center;text-align:center;padding:40px;background:radial-gradient(circle at 50% 35%,rgba(33,212,167,.15),transparent 42%),linear-gradient(145deg,#071421,#0d2231)}.plan-3d p{max-width:520px;color:var(--muted)}.concept-building{position:relative;width:310px;height:260px;margin:0 auto 45px;transform:rotateX(57deg) rotateZ(-35deg);transform-style:preserve-3d}.concept-building i{position:absolute;border:2px solid #68d8c2;background:linear-gradient(135deg,rgba(84,224,191,.5),rgba(38,108,177,.38));box-shadow:0 18px 30px rgba(0,0,0,.28)}.concept-building i:nth-child(1){inset:20px 105px 65px 20px;transform:translateZ(65px)}.concept-building i:nth-child(2){inset:75px 20px 20px 118px;transform:translateZ(42px)}.concept-building i:nth-child(3){inset:90px 155px 20px 48px;transform:translateZ(28px)}.concept-building i:nth-child(4){inset:24px 30px 150px 178px;transform:translateZ(80px)}.concept-building span{position:absolute;left:50%;top:100%;transform:translateX(-50%) rotateZ(35deg) rotateX(-57deg);white-space:nowrap;color:#82ecd4;font-weight:900}@media(max-width:1100px){.app-shell.sidebar-collapsed{grid-template-columns:1fr}.app-shell.sidebar-collapsed .app-sidebar{position:sticky;top:0;z-index:10;width:56px}.sso-grid.two{grid-template-columns:1fr}}

/* Bounded conversational plan assistant */
.plan-workspace-grid{height:720px;min-height:0}.plan-navigator,.plan-viewer,.plan-assistant{height:720px;min-height:0}.plan-assistant{overflow:hidden}.plan-chat-messages{min-height:0;overscroll-behavior:contain;scrollbar-gutter:stable;padding-right:4px}.plan-chat-form{flex:0 0 auto;background:#0d1724;position:sticky;bottom:0}.assistant-followup{margin-top:9px;color:#9fe4d4;font-weight:700}.assistant-warning{color:#ffbf69;font-size:11px}.assistant-thinking{display:flex;align-items:center;gap:5px}.assistant-thinking span{width:7px;height:7px;border-radius:50%;background:#21d4a7;animation:permitPulse 1s infinite alternate}.assistant-thinking span:nth-child(2){animation-delay:.2s}.assistant-thinking span:nth-child(3){animation-delay:.4s}.assistant-thinking small{margin-left:5px;color:#91a2b7}@keyframes permitPulse{to{opacity:.25;transform:translateY(-3px)}}.concept-building .ai-mass-block{position:absolute;display:block;border:2px solid #b0ffe9;background:rgba(33,212,167,.3);box-shadow:0 8px 16px rgba(0,0,0,.35);transform-style:preserve-3d}@media(max-width:1100px){.plan-workspace-grid{height:auto}.plan-navigator,.plan-viewer{height:620px}.plan-assistant{height:560px;min-height:0}}
.package-tools{display:grid;gap:.55rem;padding:.75rem 0;border-bottom:1px solid var(--line,#263a55)}.package-tools label{display:grid;gap:.25rem;font-size:.78rem}.package-tools select{width:100%;min-width:0}.package-tools small{color:var(--muted,#9aa9bf);line-height:1.35}
.plan-page-surface{position:relative;width:100%;height:max-content;flex:0 0 auto;transition:width .15s ease}.plan-page-surface>img{display:block;width:100%;height:auto}.plan-surface-layer{position:absolute;inset:0;width:100%;height:100%}.plan-overlay-canvas,.plan-annotation-canvas{pointer-events:none}.plan-interaction-canvas{pointer-events:auto;touch-action:pan-x pan-y pinch-zoom}.human-annotation{fill:rgba(255,191,71,.15);stroke:#ffbf47;stroke-width:2}.human-annotation.selected{fill:rgba(33,212,167,.18);stroke:#21d4a7;stroke-width:3}.annotation-hit{fill:transparent;stroke:transparent;stroke-width:10;pointer-events:all;cursor:move}.annotation-preview{fill:rgba(33,212,167,.13);stroke:#21d4a7;stroke-width:2;stroke-dasharray:7 5}.markup-toolbar button.active{border-color:#21d4a7;color:#fff;background:rgba(33,212,167,.16)}

/* Dense plan-review workspace and native fullscreen surfaces. */
.plan-workspace-head{min-height:52px;padding:7px 12px;gap:10px;flex-wrap:wrap}.plan-workspace-head h2{font-size:15px;margin:0}.workspace-modes{padding:2px;border-radius:8px}.workspace-modes button,.plan-nav-tabs button{min-height:36px;padding:6px 10px;font-size:14px}.markup-toolbar{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.tool-group{display:inline-flex;gap:3px;padding-right:7px;border-right:1px solid rgba(255,255,255,.12)}.tool-group:last-child{padding-right:0;border:0}.markup-toolbar button{min-width:36px;min-height:36px;height:36px;padding:0 10px;font-size:14px}.plan-workspace-grid{--nav-width:170px;--assistant-width:350px}.plan-navigator,.plan-assistant{padding:10px}.plan-sheet-list{gap:5px;margin-top:8px}.plan-sheet{padding:7px}.package-progress.complete{display:flex;align-items:center;justify-content:space-between;padding:.35rem .75rem}.package-progress.complete progress,.package-progress.complete .package-progress-meta{display:none}.concept-3d-toolbar{align-items:center;padding:7px;gap:6px}.concept-3d-toolbar button,.concept-3d-toolbar select{min-height:36px;padding:6px 9px;font-size:13px}.concept-3d-toolbar label{display:flex;align-items:center;gap:5px;color:#aebed2;font-size:12px}.concept-selection{position:absolute;right:12px;bottom:12px;display:grid;gap:7px;max-width:320px;padding:12px;border:1px solid rgba(105,164,255,.5);border-radius:9px;background:rgba(7,20,33,.94);color:#fff}.concept-selection span{font-size:12px;color:#aebed2}.plan-workspace-tab:fullscreen{display:flex!important;flex-direction:column;width:100vw;height:100vh;border:0;border-radius:0;background:#08111d}.plan-workspace-tab:fullscreen .plan-workspace-grid{flex:1;height:auto!important;max-height:none!important;min-height:0}.plan-workspace-tab:fullscreen .package-progress.complete{display:none}.plan-workspace-tab:fullscreen .plan-navigator,.plan-workspace-tab:fullscreen .plan-viewer,.plan-workspace-tab:fullscreen .plan-assistant{height:100%!important}.plan-3d:fullscreen{width:100vw;height:100vh;grid-template-rows:auto minmax(0,1fr)!important}.plan-3d:fullscreen .concept-3d-stage{height:auto}.plan-stage{padding:6px}.plan-viewer{min-height:0}
@media(min-width:1101px){.plan-workspace-grid{height:calc(100vh - 18px);min-height:640px;max-height:960px}.plan-navigator,.plan-viewer,.plan-assistant{height:100%}.plan-workspace-grid{grid-template-columns:var(--nav-width) 7px minmax(600px,1fr) 7px var(--assistant-width)!important}}
@media(max-width:1100px){.markup-toolbar button,.workspace-modes button,.plan-nav-tabs button{min-height:44px;height:auto}.tool-group{gap:5px}.plan-workspace-head{padding:9px 11px}}