:root{
  --blue:#123f63;
  --button-blue:#276CC1;
  --orange:#f37a22;
  --orange-dark:#cc641b;
  --text:#454545;
  --muted:#6b6b6b;
  --line:#d9e1e7;
  --white:#fff;
  --card-width:720px;
  --content-width:590px;
  --shadow:0 5px 16px rgba(0,0,0,.28);
}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;font-family:"Avenir Next",Avenir,Inter,Segoe UI,Arial,sans-serif;color:var(--text);background:#07334a;min-height:100vh}
.page-shell{min-height:100vh;position:relative;overflow:hidden;background:url('../images/ui/rainforest-bg.jpg') center/cover fixed no-repeat}
.page-shell::before{content:"";position:absolute;inset:52px 0 0;background:linear-gradient(90deg,rgba(8,42,58,.52) 0%,rgba(8,42,58,.34) 32%,rgba(8,42,58,.55) 100%),linear-gradient(180deg,rgba(255,255,255,.55) 0%,rgba(12,65,88,.45) 45%,rgba(0,45,67,.9) 100%);pointer-events:none;z-index:0}
.site-header{height:52px;background:var(--blue);color:white;display:flex;align-items:center;padding:0 22px;box-shadow:0 2px 12px rgba(0,0,0,.35);position:relative;z-index:2}
.brand{display:inline-flex;align-items:center;gap:9px;color:white;text-decoration:none;font-size:1.32rem;font-weight:400;letter-spacing:-.02em}.brand-title{font-weight:400}
.brand:hover,.brand:focus{text-decoration:none}.brand:focus-visible{outline:2px solid rgba(255,255,255,.8);outline-offset:4px;border-radius:2px}.back-arrow{width:12px;height:12px;border-left:2px solid currentColor;border-bottom:2px solid currentColor;transform:rotate(45deg);display:inline-block;margin-top:1px;flex:0 0 auto;font-size:0;line-height:0}
.hero{min-height:calc(100vh - 52px);display:flex;align-items:flex-start;justify-content:center;padding:36px 20px 80px;position:relative;z-index:1}
.classifier-card{width:min(var(--card-width),calc(100vw - 32px));background:white;border-radius:3px;box-shadow:var(--shadow);padding:18px 0 16px}.classifier-inner{width:var(--content-width);max-width:calc(100vw - 64px);margin:0 auto}
.top-row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:start;margin-bottom:4px}.instructions{margin:0;font-size:.95rem;line-height:1.32;color:#444}.help-wrap{position:relative;justify-self:end}.help-button{width:30px;height:30px;border-radius:50%;border:2px solid var(--button-blue);background:white;color:var(--button-blue);font-size:1.15rem;font-weight:700;line-height:1;cursor:pointer}.help-button:hover{background:#eef7ff}.help-menu{position:absolute;right:0;top:38px;background:white;min-width:190px;box-shadow:0 5px 18px rgba(0,0,0,.24);border:1px solid #dce5ee;padding:10px 0;display:none;z-index:8}.help-menu.open{display:block}.help-menu button{display:block;width:100%;background:transparent;border:0;padding:11px 16px;text-align:left;color:#006cc6;font-size:1rem;cursor:pointer}.help-menu button:hover{background:#eef6ff}
.meta-row{display:flex;justify-content:flex-end;align-items:center;gap:16px;min-height:34px;padding-bottom:8px}.meta-row span{display:none}.examples-button{background:var(--button-blue);color:white;border:1px solid var(--button-blue);border-radius:2px;font-weight:700;padding:8px 13px;font-size:.82rem;cursor:pointer;transition:background .18s ease,box-shadow .18s ease,transform .18s ease}.examples-button:hover{background:#1f5faf;box-shadow:0 1px 3px rgba(0,0,0,.22)}
.grid-shell{width:var(--content-width);max-width:100%;margin:0 auto}.image-grid{position:relative;display:grid;grid-template-columns:repeat(3,1fr);aspect-ratio:1/1;background-size:cover;background-position:center;border:0;box-shadow:0 1px 4px rgba(0,0,0,.2);overflow:hidden}.tile{position:relative;appearance:none;border:1.5px solid rgba(255,255,255,.9);background:transparent;cursor:pointer;margin:0;min-width:0;transition:background .18s ease}.tile::before{content:"";position:absolute;inset:0;background:rgba(255,255,255,0);transition:background .18s ease}.tile::after{content:'';display:none}.tile:hover::before,.tile:focus-visible::before{background:rgba(255,255,255,.20)}.tile:focus-visible{outline:3px solid rgba(255,255,255,.85);outline-offset:-5px}.marker{position:absolute;top:11px;left:11px;width:23px;height:23px;border-radius:50%;background:transparent;border:2px solid rgba(255,255,255,.82);box-shadow:0 1px 4px rgba(0,0,0,.4);display:grid;place-items:center;color:white;font-weight:900;z-index:3;transition:transform .2s ease,background .2s ease,border-color .2s ease,box-shadow .2s ease}.tile:hover .marker{transform:scale(1.05);border-color:rgba(255,255,255,.85);background:rgba(243,122,34,.52);box-shadow:0 1px 4px rgba(0,0,0,.38)}.tile:hover .marker::after{content:'✓';font-size:15px;line-height:1;color:rgba(255,255,255,.92);text-shadow:0 1px 2px rgba(0,0,0,.25)}.tile.selected::before{background:rgba(255,255,255,0)}.tile.selected:hover::before,.tile.selected:focus-visible::before{background:rgba(255,255,255,0)}.tile.selected .marker{background:rgba(243,122,34,.68);border-color:rgba(255,255,255,.9);box-shadow:0 1px 4px rgba(0,0,0,.42)}.tile.selected .marker::after{content:'✓';font-size:15px;line-height:1;color:white;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.progress-row{display:flex;flex-wrap:wrap;justify-content:flex-start;align-items:baseline;gap:6px 8px;margin:10px 0 15px;color:#4f4f4f;font-size:.82rem}.progress-row strong{font-size:.83rem;color:#444}.progress-row b{color:#0078c9;font-size:.92rem;line-height:1}.action-row{display:flex;justify-content:space-between;align-items:center;gap:16px}.primary-button,.secondary-button{border-radius:2px;padding:10px 16px;font-weight:700;cursor:pointer;font-size:.98rem;transition:background .18s ease,filter .18s ease,box-shadow .18s ease,transform .18s ease}.primary-button{background:var(--orange);color:white;border:1px solid var(--orange);box-shadow:0 1px 2px rgba(0,0,0,.18)}.primary-button:hover{background:var(--orange-dark)}.secondary-button{background:white;color:#006cc6;border:1px solid #0070ce}.secondary-button:hover{background:#f4faff}.footer-links{position:absolute;right:22px;bottom:18px;z-index:1;color:white;font-size:.73rem;display:flex;gap:6px;align-items:center}.footer-links a{color:white;text-decoration:none}.footer-links a:hover{text-decoration:underline}
dialog{border:0;padding:0;background:transparent;opacity:0;transform:scale(.985) translateY(6px);transition:opacity .32s ease,transform .32s ease;display:block;pointer-events:none}dialog[open]{pointer-events:auto}dialog[open].is-open{opacity:1;transform:scale(1) translateY(0)}dialog.is-closing{opacity:0;transform:scale(.985) translateY(6px)}dialog::backdrop{background:rgba(15,34,44,0);backdrop-filter:blur(0);transition:background .32s ease,backdrop-filter .32s ease}dialog[open].is-open::backdrop{background:rgba(15,34,44,.48);backdrop-filter:blur(6px)}.modal-surface{position:relative;background:white;border-radius:4px;box-shadow:var(--shadow);padding:24px 28px;color:#4d4d4d;overflow:hidden}.modal h2{margin:0 42px 18px 0;text-align:center;color:#555;font-size:1.55rem;font-weight:700}.modal h3{margin:.25rem 0 .6rem;font-weight:600}.modal p,.modal li{line-height:1.42}.modal-close{position:absolute;right:18px;top:14px;background:transparent;border:0;font-size:30px;line-height:1;cursor:pointer;color:#0070ce;font-weight:300;border-radius:0;padding:0}.modal-close:hover{color:#005aa0}.modal-close:focus{outline:none;box-shadow:none}.modal-close:focus-visible{outline:none;box-shadow:none}.start-modal{width:min(620px,calc(100vw - 32px))}.start-content{display:grid;grid-template-columns:1fr 210px;gap:28px;align-items:center}.start-copy p{margin-top:0}.start-copy ol{margin:14px 0 0 20px;padding:0}.start-copy li{margin-bottom:12px}.start-content img{width:100%;display:block}.modal-rule{height:1px;background:#c8d2dc;margin:18px 0}.start-cta{display:block;margin:0 auto;width:250px;font-size:1.1rem}.examples-modal{width:min(620px,calc(100vw - 32px));height:auto;max-height:calc(100vh - 56px)}.examples-surface{max-height:calc(100vh - 56px);display:block;padding:20px 18px 24px}.examples-surface h2{margin-bottom:14px}.tabs{display:grid;grid-template-columns:1fr 1fr 1fr;border:1px solid #cbd8e2;border-bottom:0}.tab{border:0;border-right:1px solid #cbd8e2;background:#f7f7f7;padding:10px 8px;color:#666;font-weight:400;font-size:.94rem;cursor:pointer}.tab:last-child{border-right:0}.tab.active{background:#e9f5ff;color:#006cc6;padding-top:10px;border-bottom:1px solid #e9f5ff;box-shadow:none;margin-bottom:-1px}.tab:focus{outline:none}.tab:focus-visible{outline:2px solid #276CC1;outline-offset:-2px}.example-panels{background:#eaf6ff;border:1px solid #d4e5f0;overflow:auto;max-height:520px;padding:14px}.tab-panel{display:none}.tab-panel.active{display:block}.callout{background:#d3eafa;margin:0 0 14px;padding:12px 14px;font-weight:400;color:#444}.example-intro{margin:0 0 16px;font-size:.92rem}.example-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px 14px}.example-grid figure{margin:0;background:transparent}.example-grid img{width:100%;aspect-ratio:1/1;object-fit:cover;display:block}.example-grid figcaption{font-weight:400;padding:7px 0 0;color:#4d4d4d;font-size:.85rem;line-height:1.15}.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.compare-grid article{background:white;padding:10px}.compare-grid h3{font-size:.9rem;color:#555}.compare-grid img{width:100%;aspect-ratio:1/1;object-fit:cover}.compare-grid p{font-size:.86rem;margin:.65rem 0 0}.remember{background:#ffe7d5;margin:12px 0 0;padding:10px 16px;text-align:center;font-size:.92rem}.faq-modal{width:min(620px,calc(100vw - 32px))}.faq-surface{padding:26px 32px 30px}.faq-modal details{border-top:1px solid var(--line);padding:14px 0}.faq-modal details:last-child{border-bottom:1px solid var(--line)}.faq-modal summary{font-weight:400;color:#006cc6;cursor:pointer;font-size:1rem}.faq-modal p{font-size:.94rem;color:#4d4d4d}.stop-modal{width:min(640px,calc(100vw - 32px))}.stop-surface h2{text-align:center;color:#555}.stop-content{display:grid;grid-template-columns:180px 1fr;gap:26px;align-items:center;margin:22px 0}.stop-content img{width:180px;height:140px;object-fit:cover;border-radius:50%;filter:saturate(1.08) contrast(1.04) brightness(1.03) drop-shadow(0 6px 14px rgba(0,0,0,.12));-webkit-mask-image:radial-gradient(ellipse at center,#000 52%,rgba(0,0,0,.85) 66%,rgba(0,0,0,.25) 82%,transparent 100%);mask-image:radial-gradient(ellipse at center,#000 52%,rgba(0,0,0,.85) 66%,rgba(0,0,0,.25) 82%,transparent 100%)}.stop-content ul{padding-left:20px;margin:0}.stop-content li{margin-bottom:14px}
@media (max-width:760px){:root{--content-width:min(590px,calc(100vw - 64px))}.site-header{padding:0 16px}.brand{font-size:1rem}.hero{padding:24px 10px 70px}.classifier-card{width:calc(100vw - 20px)}.classifier-inner{max-width:calc(100vw - 44px)}.meta-row{height:auto;margin:8px 0;align-items:flex-end}.action-row{gap:8px}.primary-button,.secondary-button{font-size:.86rem;padding:9px 10px}.start-content,.stop-content,.compare-grid{grid-template-columns:1fr}.start-content img{max-width:230px;margin:0 auto}.example-grid{grid-template-columns:repeat(2,1fr)}.examples-modal{max-height:calc(100vh - 32px)}.footer-links{display:none}}