:root{
  --ink:#143f38;--ink-2:#245d50;--muted:#5f6d66;--paper:#fafbf6;--tint:#eef2e8;--line:#dfe5db;
  --lime:#d1edb6;--leaf:#6c885c;--accent:#7fb484;--warn:#e0a458;
  --serif:'Source Serif 4',Georgia,serif;--sans:'Be Vietnam Pro',system-ui,-apple-system,'Segoe UI',sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.7;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
button{font:inherit;cursor:pointer}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--accent);outline-offset:4px;border-radius:4px}
img,svg{display:block}
.container{max-width:1200px;width:calc(100% - 96px);margin-inline:auto}
.serif{font-family:var(--serif);font-style:italic;font-weight:400;color:var(--leaf)}
.eyebrow{display:flex;align-items:center;gap:9px;font-size:11px;font-weight:600;letter-spacing:1.8px;color:#4f6b5f}
.status-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex-shrink:0}
.skip-link{position:fixed;top:-100px;left:20px;z-index:20;background:var(--ink);color:#fff;padding:12px}
.skip-link:focus{top:10px}

/* Buttons & links */
.button{display:inline-flex;align-items:center;justify-content:center;gap:18px;min-height:50px;padding:13px 22px;background:var(--ink);color:#fff;border:1px solid var(--ink);border-radius:8px;font-size:14px;font-weight:600;transition:background .2s,transform .2s}
.button:hover{background:var(--ink-2);transform:translateY(-2px)}
.button span{font-size:18px}
.button-small{min-height:40px;padding:8px 16px;font-size:13px;gap:12px}
.button-light{background:var(--lime);border-color:var(--lime);color:var(--ink)}
.button-light:hover{background:#e0f3cd}
.text-link{display:inline-flex;align-items:center;gap:10px;font-size:14px;font-weight:600}
.text-link:hover{text-decoration:underline;text-underline-offset:4px}
.inline-link{text-decoration:underline;text-underline-offset:3px}

/* Header */
.header{position:sticky;top:0;z-index:10;background:rgba(250,251,246,.9);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.header-inner{max-width:1296px;margin:auto;height:76px;padding:0 48px;display:flex;align-items:center;gap:32px}
.brand{display:inline-flex;align-items:center;gap:9px;font-size:22px;font-weight:700;letter-spacing:-1px}
.brand b{font-weight:400}
.brand em{font-style:normal;font-size:11px;font-weight:600;letter-spacing:1.6px;text-transform:uppercase;background:var(--ink);color:var(--lime);padding:3px 8px;border-radius:5px;margin-left:2px}
.header nav{display:flex;gap:28px;font-size:14px;margin-left:auto}
.header nav a:hover{color:var(--leaf)}
.menu-toggle{display:none}


.brand .brand-dot{font-style:normal;color:#83af70;font-weight:800}

/* Hero */
.hero{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center;padding-block:72px 80px}
.hero h1{font-size:clamp(40px,4.8vw,66px);font-weight:600;letter-spacing:-2.4px;line-height:1.08;margin-top:22px}
.hero-copy>p{color:var(--muted);font-size:16px;margin-top:22px;max-width:520px}
.hero-actions{display:flex;align-items:center;gap:26px;margin-top:30px;flex-wrap:wrap}
.hub{position:relative;min-height:500px;background:#e9efe4;border:1px solid #dde6d6;border-radius:20px;overflow:hidden}
.hub-grid{position:absolute;inset:0;background-image:linear-gradient(#7590690f 1px,transparent 1px),linear-gradient(90deg,#7590690f 1px,transparent 1px);background-size:28px 28px}
.hub-ring{position:absolute;left:50%;top:48%;border:1px dashed #a9bd9d;border-radius:50%;transform:translate(-50%,-50%)}
.hub-ring-1{width:250px;height:250px;animation:spin 60s linear infinite}
.hub-ring-2{width:420px;height:420px;border-style:solid;border-color:#b7c8ac66}
.hub-core{position:absolute;left:50%;top:48%;transform:translate(-50%,-50%);width:136px;height:136px;border-radius:50%;background:var(--ink);color:var(--lime);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;box-shadow:0 0 0 12px #143f3812,0 20px 40px #24463830;font-weight:700;letter-spacing:-.5px;font-size:15px}
.hub-node{position:absolute;display:flex;align-items:center;gap:12px;background:#fff;border:1px solid #d6dfd0;border-radius:12px;padding:12px 16px;box-shadow:0 16px 32px #2446381a}
.hub-node small{display:block;font-size:9px;letter-spacing:1.4px;font-weight:600;color:#7d8f74}
.hub-node strong{display:block;font-size:13px;font-weight:600}
.node-icon{width:34px;height:34px;border-radius:9px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:18px;flex-shrink:0}
.node-search{left:28px;top:56px;transform:rotate(-2deg)}
.node-vision{right:20px;top:104px;transform:rotate(2deg)}
.node-lab{left:56px;bottom:72px;transform:rotate(-1deg)}
.hub-caption{position:absolute;left:26px;right:26px;bottom:20px;display:flex;justify-content:space-between;font-size:10px;letter-spacing:1.5px;color:#788972}
@keyframes spin{to{transform:translate(-50%,-50%) rotate(360deg)}}

/* Strip */
.strip{border-block:1px solid var(--line);background:#f1f4eb}
.strip .container{display:flex;align-items:center;justify-content:space-around;flex-wrap:wrap;gap:10px 18px;padding-block:20px;font-size:14px;font-weight:500}
.strip-plus{color:#99b18b;font-size:20px}

/* Sections */
.section{padding-block:96px}
.section-head{max-width:720px;margin-bottom:44px}
.section-head p{color:var(--muted);margin-top:18px}
.section-head.split{max-width:none;display:flex;justify-content:space-between;align-items:end;gap:40px}
.section-head.split>p{max-width:380px;margin:0 0 6px}
h2{font-size:clamp(30px,3.3vw,44px);font-weight:500;letter-spacing:-1.4px;line-height:1.2;margin-top:16px}

/* Products */
.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.product-card{display:flex;flex-direction:column;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:32px 28px;transition:transform .2s,box-shadow .2s}
.product-card:hover{transform:translateY(-4px);box-shadow:0 20px 40px #24463810}
.product-top{display:flex;align-items:center;justify-content:space-between;width:100%;margin-bottom:22px}
.product-icon{width:48px;height:48px;border-radius:12px;background:var(--ink);color:var(--lime);display:grid;place-items:center;font-size:26px}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;border-radius:20px;background:#e8efdf;padding:4px 12px;color:#4f6b45}
.badge .status-dot{width:6px;height:6px}
.badge-outline{background:transparent;border:1px solid #bcccaf}
.product-card h3{font-size:28px;font-weight:700;letter-spacing:-1px}
.product-card h3 span{font-weight:400}
.product-type{font-size:10px;letter-spacing:1.4px;color:#7d8f74;font-weight:600;margin-top:4px}
.product-card>p{color:var(--muted);font-size:14px;margin-top:14px}
.product-card ul{margin:20px 0 26px;border-top:1px solid var(--line);width:100%;flex:1}
.product-card li{position:relative;padding:9px 0 9px 22px;border-bottom:1px solid #edf0e9;font-size:14px}
.product-card li:before{content:'';position:absolute;left:2px;top:17px;width:8px;height:8px;border-radius:50%;background:var(--accent)}

/* Lab */
.section-dark{background:var(--ink);color:#f0f5e8}
.section-dark .eyebrow{color:#a9c39e}
.section-dark .serif{color:var(--lime)}
.lab-layout{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:center}
.lab-layout>div>p{color:#b4c9ba;margin:20px 0 28px;max-width:460px}
.lab-feed{background:#ffffff0a;border:1px solid #3d6457;border-radius:14px;padding:26px 28px}
.lab-feed-title{font-size:11px;letter-spacing:1.4px;text-transform:uppercase;color:#87a794;font-weight:600;margin-bottom:8px}
.lab-feed li{border-bottom:1px solid #3d6457}
.lab-feed li:last-child{border:0}
.lab-feed a{display:block;padding:14px 0;font-size:16px;font-weight:500;line-height:1.4}
.lab-feed a:hover{color:var(--lime)}
.lab-feed small{display:block;font-size:10px;letter-spacing:1.2px;text-transform:uppercase;color:#a9c39e;margin-bottom:4px;font-weight:600}

/* Approach */
.approach-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:36px}
.approach-grid article{border-top:1px solid #cfd9c7;padding-top:24px}
.approach-num{display:block;font-size:12px;color:#7d8f74;font-weight:600;letter-spacing:1px;margin-bottom:12px}
.approach-grid h3{font-size:19px;font-weight:600}
.approach-grid p{color:var(--muted);font-size:14px;margin-top:8px}

/* Contact */
.cta-section{background:#eef2e8;border-top:1px solid #e2e7dd;padding-block:88px}
.cta-layout{display:grid;grid-template-columns:1.2fr 1fr;gap:64px;align-items:center}
.cta-layout>div>p{color:var(--muted);margin:20px 0 28px;max-width:500px}
.cta-section .button-light{background:var(--ink);border-color:var(--ink);color:#fff}
.cta-section .button-light:hover{background:var(--ink-2)}
.route-list{display:grid;gap:12px}
.route-list a{display:block;position:relative;background:#fff;border:1px solid #dbe2d4;border-radius:12px;padding:18px 48px 18px 22px;font-weight:600;font-size:16px;transition:border-color .2s,transform .2s}
.route-list a:hover{border-color:var(--ink);transform:translateX(3px)}
.route-list small{display:block;font-size:12px;font-weight:500;color:var(--muted);margin-bottom:2px}
.route-list a>span{position:absolute;right:22px;top:50%;transform:translateY(-50%);font-size:18px}

/* Responsive */
@media(max-width:1100px){
  .container{width:calc(100% - 64px)}
  .header-inner{padding-inline:32px;gap:24px}
  .hero{grid-template-columns:1fr;gap:44px;padding-block:52px 64px}
  .hub{max-width:640px;width:100%}
  .product-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .header nav{display:none;position:absolute;top:75px;left:0;right:0;background:var(--paper);padding:20px 24px 24px;border-bottom:1px solid var(--line);box-shadow:0 12px 20px #143f380d;flex-direction:column;gap:16px;font-size:15px}
  .header nav.is-open{display:flex}
  .header-cta{margin-left:auto}
  .menu-toggle{display:flex;flex-direction:column;justify-content:center;align-items:center;gap:6px;width:36px;height:36px;background:none;border:0;order:3}
  .menu-toggle span{width:22px;height:1.5px;background:var(--ink);transition:transform .2s}
  .menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.75px) rotate(45deg)}
  .menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.75px) rotate(-45deg)}
  .section-head.split{display:block}
  .section-head.split>p{margin-top:16px}
  .lab-layout,.cta-layout{grid-template-columns:1fr;gap:36px}
  .approach-grid{grid-template-columns:1fr;gap:24px}
}
@media(max-width:640px){
  body{font-size:14px}
  .container{width:calc(100% - 32px)}
  .header-inner{padding-inline:16px;height:66px;gap:12px}
  .header nav{top:65px}
  .brand{font-size:19px;gap:7px}
  .brand img{width:28px;height:28px}
  .header-cta{font-size:12px;min-height:36px;padding:6px 12px;gap:6px}
  .hero h1{letter-spacing:-1.4px}
  .hub{min-height:450px}
  .hub-ring-2{width:330px;height:330px}
  .hub-core{width:112px;height:112px;font-size:13px}
  .hub-core img{width:42px;height:42px}
  .hub-ring,.hub-core{top:44%}
  .node-search{left:12px;top:24px}
  .node-vision{right:12px;top:auto;bottom:128px}
  .node-lab{left:14px;bottom:40px}
  .hub-node{padding:10px 12px}
  .hub-node strong{font-size:12px}
  .hub-caption{font-size:8px;left:16px;right:16px}
  .section{padding-block:64px}
  .product-grid{grid-template-columns:1fr}
  .product-card{padding:26px 22px}
  .cta-section{padding-block:60px}
}
@media(max-width:380px){.header-cta span{display:none}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*:before,*:after{animation:none!important;transition:none!important}}

/* IntentSea family bar + footer (shared across intentsea.com, search, vision, lab) */
.family-bar{background:var(--ink);color:#c9dccd;font-size:12px}
.family-inner{max-width:1296px;margin:auto;padding:0 48px;height:34px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.family-label{letter-spacing:1.4px;font-weight:600;font-size:10px;text-transform:uppercase;color:#8fb09c}
.family-bar nav{display:flex;gap:22px}
.family-bar nav a{color:#c9dccd;display:inline-flex;align-items:center;gap:6px}
.family-bar nav a:hover{color:#fff}
.family-bar nav a[aria-current="page"]{color:var(--lime);font-weight:600}
.family-bar nav a[aria-current="page"]:before{content:'';width:5px;height:5px;border-radius:50%;background:var(--lime)}
.site-footer{border-top:1px solid var(--line);padding-block:48px 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-grid .brand{font-size:19px}
.footer-about{color:var(--muted);font-size:13px;margin-top:12px;max-width:300px;line-height:1.7}
.footer-col{display:flex;flex-direction:column;gap:8px;font-size:13px}
.footer-col a:hover{text-decoration:underline;text-underline-offset:3px}
.footer-title{font-size:10px;letter-spacing:1.5px;font-weight:600;text-transform:uppercase;color:#7d8f74;margin-bottom:4px}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;border-top:1px solid var(--line);margin-top:36px;padding-top:20px;font-size:12px;color:#7a877f}
@media(max-width:860px){.family-inner{padding-inline:32px}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>div:first-child{grid-column:1/-1}}
@media(max-width:640px){.family-inner{padding-inline:16px}.family-label{display:none}.family-bar nav{gap:0;justify-content:space-between;width:100%}.footer-grid{grid-template-columns:1fr 1fr;gap:28px 20px}}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:1fr 1.5fr;gap:64px;align-items:start}
.faq-layout .section-head{margin:0;position:sticky;top:110px}
.faq-list{border-top:1px solid var(--line)}
.faq-list details{border-bottom:1px solid var(--line)}
.faq-list summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:24px;padding:22px 0;font-size:17px;font-weight:600}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary:after{content:'+';flex-shrink:0;width:30px;height:30px;border:1px solid #c7d4bd;border-radius:50%;display:grid;place-items:center;font-weight:400;transition:transform .2s}
.faq-list details[open] summary:after{transform:rotate(45deg);background:var(--ink);color:var(--lime);border-color:var(--ink)}
.faq-list details p{color:var(--muted);padding:0 54px 24px 0}
@media(max-width:860px){.faq-layout{grid-template-columns:1fr;gap:28px}.faq-layout .section-head{position:static}}
@media(max-width:640px){.faq-list summary{font-size:15px}.faq-list details p{padding-right:0}}