/* ARDInsights — production stylesheet.
   1:1 port of the "ARDInsights Website" Claude Design system (design-system/).
   Fonts and metrics match the approved mockups exactly; only the mobile menu,
   footer layout, and media queries are additions (the mockups are desktop-only). */
:root{
  --navy:#17375E;
  --navy-deep:#0F2440;
  --azure:#1F6FB2;
  --azure-bright:#2E86D1;
  --ice:#7FA8CC;
  --ink:#1C2B3A;
  --muted:#5A6B7E;
  --paper:#FFFFFF;
  --mist:#F4F7FA;
  --line:#DDE5EE;
  --green:#2F7D3F;
  --gold:#8F5F08;
  --red:#B03A2E;
  --serif:Georgia,'Times New Roman',serif;
  --sans:'Segoe UI',Arial,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.6}
img{max-width:100%}
a{color:var(--azure);text-decoration:none}

.skip{position:absolute;left:-9999px;top:0;background:var(--navy);color:#fff;padding:10px 18px;z-index:100}
.skip:focus{left:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
a:focus-visible,button:focus-visible{outline:2px solid var(--azure);outline-offset:2px}
.hero a:focus-visible,.close a:focus-visible,footer a:focus-visible{outline-color:#fff}

.wrap{max-width:1080px;margin:0 auto;padding:0 32px}

/* Type */
.kick{font-size:12px;letter-spacing:.22em;text-transform:uppercase;color:var(--azure);font-weight:700;margin-bottom:10px}
.h2{font-family:var(--serif);font-size:32px;color:var(--navy);font-weight:700;margin-bottom:14px;line-height:1.2}
.lede{font-size:15.5px;line-height:1.65;color:var(--muted);max-width:680px}

/* Buttons */
.btn{display:inline-block;padding:14px 28px;border-radius:6px;font-size:15px;font-weight:600;border:1.5px solid transparent;cursor:pointer}
.btn-azure{background:var(--azure);color:#fff}
.btn-azure:hover{background:var(--azure-bright);color:#fff}
.btn-white{background:#fff;color:var(--navy)}
.btn-white:hover{background:#E8F0F8;color:var(--navy)}
.btn-ghost{border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{border-color:#fff;color:#fff}

/* Nav — per nav-footer mockup; sticky so the CTA stays reachable */
header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60}
.nav{display:flex;align-items:center;justify-content:space-between;padding:18px 36px;max-width:1160px;margin:0 auto}
.wm{letter-spacing:.24em;font-weight:700;font-size:15px;color:var(--navy);white-space:nowrap}
.wm span{color:var(--azure);font-weight:400;margin-left:7px}
.links{display:flex;gap:26px;align-items:center}
.links a{color:var(--ink);font-size:14.5px;font-weight:600}
.links a:hover{color:var(--azure)}
.links a.active{color:var(--azure)}
.links a.cta{background:var(--azure);color:#fff;padding:10px 20px;border-radius:6px}
.links a.cta:hover{background:var(--azure-bright)}
.menu-btn{display:none;background:none;border:none;cursor:pointer;padding:8px}
.menu-btn span{display:block;width:22px;height:2px;background:var(--navy);margin:5px 0}

/* Hero — home per home mockup; .slim per subpage mockups */
.hero{background:var(--navy-deep);color:#fff;padding:88px 0 72px}
.hero .kick{color:var(--ice)}
.hero h1{font-family:var(--serif);font-size:52px;line-height:1.12;font-weight:700;max-width:760px;margin-bottom:22px}
.hero p{font-size:18.5px;line-height:1.6;color:#C7D5E3;max-width:640px;margin-bottom:32px}
.hero .actions{display:flex;gap:14px;margin-bottom:44px;flex-wrap:wrap}
.hero.slim{padding:64px 0 54px}
.hero.slim h1{font-size:43px;line-height:1.15;margin-bottom:14px}
.hero.slim p{font-size:17px;margin-bottom:0;max-width:660px}

.hero-cred{font-size:11.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--ice);font-weight:700;margin-bottom:20px}
.hero .actions.tight{margin-bottom:14px}
.hero-note{font-size:13.5px;color:#9DB8D4;margin-bottom:40px}

/* Buyer signals */
.signals{margin-top:44px}
.signals h3{font-family:var(--serif);font-size:22px;color:var(--navy);margin-bottom:12px;font-weight:700}
.signals ul{list-style:none;max-width:720px}
.signals li{position:relative;padding:9px 0 9px 26px;font-size:15.5px;line-height:1.55}
.signals li::before{content:'';position:absolute;left:0;top:17px;width:8px;height:8px;border-radius:2px;background:var(--azure)}

/* Delivered-by strip */
.deliver{display:flex;gap:22px;align-items:center;margin-top:44px;border-top:1px solid var(--line);padding-top:32px}
.deliver img{width:88px;height:88px;border-radius:50%;object-fit:cover;flex:none;border:2px solid var(--line)}
.deliver .dn{font-family:var(--serif);font-size:19px;font-weight:700;color:var(--navy);margin-bottom:6px}
.deliver p{font-size:14.5px;color:var(--muted);line-height:1.6;max-width:600px}

/* Real photo variant of the About circle */
.photo-img{width:150px;height:150px;border-radius:50%;object-fit:cover;flex:none;border:3px solid rgba(255,255,255,.35)}

/* Verdict pills */
.pills{display:flex;gap:12px;flex-wrap:wrap}
.pill{padding:9px 20px;border-radius:999px;font-size:12.5px;font-weight:700;letter-spacing:.08em;color:#fff}
.pill.deploy{background:var(--green)}
.pill.pilot{background:var(--gold)}
.pill.remediate{background:var(--red)}
.pillcap{font-size:13px;color:var(--ice);margin-top:12px}

/* Stat row */
.stats{display:flex;border-bottom:1px solid var(--line);background:#fff}
.stat{flex:1;padding:26px 18px;text-align:center;border-right:1px solid var(--line)}
.stat:last-child{border-right:none}
.stat .n{font-family:var(--serif);font-size:32px;font-weight:700;color:var(--navy)}
.stat .l{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:6px}

/* Sections */
section{padding:72px 0}
section.alt{background:var(--mist)}

/* Axes */
.axes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.axis{background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:26px}
.axis .an{font-family:var(--serif);font-size:15px;color:var(--azure);font-weight:700;margin-bottom:8px}
.axis .at{font-family:var(--serif);font-size:19px;color:var(--navy);font-weight:700;margin-bottom:8px}
.axis p{font-size:14.5px;line-height:1.6;color:var(--muted)}
.axis.gate{background:#fff;border:1.5px solid var(--navy)}
.gate-tag{display:inline-block;font-size:10.5px;letter-spacing:.16em;font-weight:700;color:#fff;background:var(--navy);border-radius:999px;padding:3px 10px;margin-bottom:10px}

/* Deliverables grid */
.grid6{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:30px}
.g{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 24px;font-size:15px;line-height:1.55}
.g b{color:var(--navy)}

/* Tiers */
.tiers{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:34px}
.tier{background:#fff;border:1px solid var(--line);border-radius:10px;padding:28px;position:relative}
.tier.featured{border:2px solid var(--azure);box-shadow:0 8px 24px rgba(23,55,94,.10)}
.flag{position:absolute;top:-12px;left:24px;background:var(--azure);color:#fff;font-size:11px;font-weight:700;letter-spacing:.12em;padding:4px 12px;border-radius:999px}
.tname{font-family:var(--serif);font-size:20px;color:var(--navy);font-weight:700}
.price{font-family:var(--serif);font-size:30px;color:var(--navy);font-weight:700;margin:8px 0 2px}
.terms{font-size:13px;color:var(--azure);font-weight:600;margin-bottom:14px}
.scope{font-size:14px;line-height:1.6;color:var(--muted)}
.tierfoot{margin-top:24px;font-size:13.5px;color:var(--muted);font-style:italic;text-align:center}

/* Why */
.why-body{font-size:17px;line-height:1.7;max-width:780px}
.why-body b{color:var(--navy)}

/* Paper feature */
.paper{border:1px solid var(--line);border-radius:12px;padding:40px;display:flex;gap:36px;align-items:center;background:#fff}
.paper .cover{flex:none;width:170px;height:220px;background:var(--navy-deep);border-radius:6px;color:#fff;padding:18px;display:flex;flex-direction:column;justify-content:space-between;box-shadow:0 12px 28px rgba(15,36,64,.25)}
.paper .cover .pw{letter-spacing:.2em;font-size:9px;font-weight:700;color:var(--ice)}
.paper .cover .pt{font-family:var(--serif);font-size:19px;font-weight:700;line-height:1.25}
.paper .pk{font-size:11px;letter-spacing:.18em;color:var(--azure);font-weight:700;margin-bottom:8px}
.paper h2,.paper h3{font-family:var(--serif);font-size:26px;color:var(--navy);margin-bottom:10px;font-weight:700}
.paper .psub{font-family:var(--serif);font-style:italic;font-size:17px;color:var(--muted);margin-bottom:16px}
.paper p{font-size:15.5px;line-height:1.65;color:var(--muted);margin-bottom:18px;max-width:560px}
.paper .meta{font-size:13px;color:var(--muted);margin-bottom:20px}
.soon-pill{display:inline-block;padding:10px 20px;border:1.5px solid var(--azure);border-radius:999px;color:var(--azure);font-size:12.5px;font-weight:700;letter-spacing:.1em}
.soon-note{margin-top:26px;font-size:14.5px;color:var(--muted);font-style:italic}
.notify{margin-top:22px}
.notify p{font-size:14.5px;margin-bottom:10px}
.notify form{display:flex;gap:10px;max-width:440px;flex-wrap:wrap}
.notify input[type=email]{flex:1;min-width:220px;padding:12px 14px;border:1px solid var(--line);border-radius:6px;font-family:var(--sans);font-size:15px;color:var(--ink)}
.notify input[type=email]:focus{outline:2px solid var(--azure);outline-offset:1px;border-color:var(--azure)}
.notify .btn{padding:12px 22px}
.notify .ok{font-size:15px;font-weight:600;color:var(--green)}
.notify{display:flex;gap:10px;margin-top:18px;max-width:480px;flex-wrap:wrap}
.notify input[type=email]{flex:1;min-width:220px;padding:12px 14px;border:1px solid var(--line);border-radius:6px;font-size:15px;font-family:var(--sans);color:var(--ink)}
.notify .btn{padding:12px 20px}
.paper .notify-note{font-size:12.5px;color:var(--muted);margin:10px 0 0;max-width:480px}

/* Steps */
.stepgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.step{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.sn{font-family:var(--serif);font-size:14px;color:var(--azure);font-weight:700;margin-bottom:8px}
.st{font-family:var(--serif);font-size:19px;color:var(--navy);font-weight:700;margin-bottom:8px}
.step p{font-size:14.5px;line-height:1.6;color:var(--muted)}

/* Two-column */
.two{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.two h3{font-family:var(--serif);font-size:22px;color:var(--navy);margin-bottom:10px;font-weight:700}
.two p{font-size:15.5px;line-height:1.65}
.two b{color:var(--navy)}

/* Diagnostics */
.dcards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:30px}
.dc{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px}
.dc .num{font-family:var(--serif);font-size:13px;color:var(--azure);font-weight:700;margin-bottom:8px;letter-spacing:.06em}
.dc .dt{font-family:var(--serif);font-size:18px;color:var(--navy);font-weight:700;margin-bottom:10px;line-height:1.3}
.dc .db{font-size:14px;line-height:1.6;margin-bottom:14px}
.dc .lesson{border-top:1px solid var(--line);padding-top:12px;font-size:13px;line-height:1.55;color:var(--muted)}
.dc .lesson b{color:var(--navy);font-size:10.5px;letter-spacing:.16em}

/* Problem lede (home) */
.problem-lede{font-size:19px;line-height:1.7;color:var(--ink);max-width:820px}

/* About */
.head-row{display:flex;gap:40px;align-items:center}
.photo{flex:none;width:150px;height:150px;border-radius:50%;background:var(--azure);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-size:44px;font-weight:700;color:#fff;border:3px solid rgba(255,255,255,.35)}
.bio p{font-size:16.5px;line-height:1.75;max-width:780px;margin-bottom:18px}
.bio b{color:var(--navy)}
.tl{margin-top:44px;border-left:2px solid var(--line);padding-left:32px;max-width:780px}
.t{position:relative;padding-bottom:30px}
.t:last-child{padding-bottom:0}
.t::before{content:'';position:absolute;left:-39px;top:5px;width:12px;height:12px;border-radius:50%;background:var(--azure);border:2px solid #fff}
.t .role{font-family:var(--serif);font-size:18px;color:var(--navy);font-weight:700}
.t .org{font-size:13.5px;color:var(--azure);font-weight:600;margin:2px 0 6px}
.t p{font-size:14.5px;line-height:1.6;color:var(--muted);max-width:640px}
.creds{padding:40px 0;background:var(--mist)}
.credrow{display:flex;background:#fff;border-radius:10px;border:1px solid var(--line)}
.cred{flex:1;padding:22px;text-align:center;border-right:1px solid var(--line)}
.cred:last-child{border-right:none}
.cn{font-family:var(--serif);font-size:22px;font-weight:700;color:var(--navy)}
.cl{font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:5px}

/* Career at a glance strip (About) */
.career{margin-top:14px;border-top:1px solid var(--line);max-width:780px}
.career .cr{display:flex;gap:18px;align-items:baseline;padding:12px 0;border-bottom:1px solid var(--line);font-size:14px}
.career .co{flex:1.1;font-weight:600;color:var(--navy)}
.career .cro{flex:1.6;color:var(--muted)}
.career .cy{flex:0 0 120px;color:var(--azure);font-weight:600;font-size:13px}

/* Contact */
.cgrid{display:grid;grid-template-columns:1.2fr 1fr;gap:24px;align-items:start}
.card{border:1px solid var(--line);border-radius:12px;padding:36px;background:var(--mist)}
.card h2{font-family:var(--serif);font-size:24px;color:var(--navy);margin-bottom:10px;font-weight:700}
.card p{font-size:15px;line-height:1.65;color:var(--muted);margin-bottom:20px}
.rows{font-size:15px}
.rows .row{display:flex;gap:12px;align-items:baseline;padding:8px 0}
.rows b{flex:none;width:78px;font-size:11px;letter-spacing:.16em;color:var(--muted)}
.rows a{font-weight:600}

/* Close band */
.close{background:var(--navy-deep);color:#fff;text-align:center;padding:80px 0}
.close h2{font-family:var(--serif);font-size:38px;margin-bottom:14px;font-weight:700}
.close p{color:#C7D5E3;font-size:16.5px;margin-bottom:30px}

/* Footer — per nav-footer mockup */
footer{background:var(--navy-deep);color:#fff;padding:44px 0 30px}
.close+footer{border-top:1px solid rgba(255,255,255,.14)}
.fgrid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.fwm{letter-spacing:.24em;font-weight:700;font-size:15px}
.fwm span{color:var(--ice);font-weight:400;margin-left:7px}
.ftag{font-family:var(--serif);color:var(--ice);font-size:14px;margin-top:8px}
.fcol{font-size:14px;line-height:2}
.fcol a{color:#CDD9E5}
.fcol a:hover{color:#fff}
.fcol b{display:block;font-size:11px;letter-spacing:.18em;color:var(--ice);margin-bottom:6px;font-weight:700}
.legal{border-top:1px solid rgba(255,255,255,.14);margin-top:30px;padding-top:18px;font-size:12.5px;color:var(--ice)}

/* Responsive additions (mockups are desktop-only) */
@media (max-width:900px){
  .hero h1{font-size:38px}
  .hero.slim h1{font-size:32px}
  .h2{font-size:27px}
  .axes,.tiers,.stepgrid,.dcards{grid-template-columns:1fr}
  .grid6,.two,.cgrid{grid-template-columns:1fr}
  .stats{flex-wrap:wrap}
  .stat{flex:1 1 50%;border-bottom:1px solid var(--line)}
  .stat:nth-child(2){border-right:none}
  .paper{flex-direction:column;align-items:flex-start}
  .head-row{flex-direction:column;align-items:flex-start;gap:20px}
  .credrow{flex-wrap:wrap}
  .cred{flex:1 1 50%;border-bottom:1px solid var(--line)}
  .cred:nth-child(2){border-right:none}
  section{padding:56px 0}
  .hero{padding:64px 0 52px}
}
@media (max-width:760px){
  .menu-btn{display:block}
  .links{display:none;position:absolute;top:100%;left:0;right:0;background:#fff;border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start;padding:18px 24px;gap:16px;z-index:50}
  header.open .links{display:flex}
}

/* Method flow diagram */
.method-flow{display:flex;align-items:center;gap:18px;margin-top:34px}
.mf-axes{display:flex;flex-direction:column;gap:14px;flex:1.2}
.mf-axis{background:var(--mist);border:1px solid var(--line);border-radius:10px;padding:18px 20px}
.mf-axis .an{font-family:var(--serif);font-size:13px;color:var(--azure);font-weight:700;margin-bottom:4px}
.mf-axis .at{font-family:var(--serif);font-size:17px;color:var(--navy);font-weight:700}
.mf-axis p{font-size:13px;line-height:1.5;color:var(--muted);margin-top:6px}
.mf-arrow{flex:none}
.mf-arrow svg{display:block}
.mf-gate{flex:1.1;background:var(--navy);border-radius:10px;padding:22px;color:#fff}
.mf-gate .gate-tag{background:rgba(255,255,255,.16)}
.mf-gate .gt{font-family:var(--serif);font-size:18px;font-weight:700;color:#fff;margin-bottom:8px}
.mf-gate p{font-size:13px;line-height:1.55;color:#C7D5E3}
.mf-verdicts{flex:1;display:flex;flex-direction:column;gap:12px;align-items:flex-start}
.mf-caption{margin-top:16px;font-size:13.5px;color:var(--muted);font-style:italic}

/* Compact assessment offer band (homepage) */
.offer{display:flex;align-items:center;gap:40px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:36px 40px;margin-top:30px}
.offer .op{flex:none;text-align:center}
.offer .op .n{font-family:var(--serif);font-size:42px;font-weight:700;color:var(--navy)}
.offer .op .l{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-top:4px}
.offer .ob p{font-size:15.5px;line-height:1.65;margin-bottom:18px;max-width:600px}

/* Sample decision snapshot */
.sample{margin-top:30px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.sample .shd{padding:16px 24px;border-bottom:1px solid var(--line);font-size:11px;letter-spacing:.18em;font-weight:700;color:var(--azure)}
.srow{display:flex;align-items:center;gap:18px;padding:16px 24px;border-bottom:1px solid var(--line)}
.srow:last-of-type{border-bottom:none}
.srow .sc{flex:1.2;font-weight:600;font-size:15px;color:var(--navy)}
.srow .sp{flex:none;width:200px}
.srow .sp .pill{font-size:11px;padding:7px 14px}
.srow .sw2{flex:1.6;font-size:13.5px;color:var(--muted);line-height:1.5}
.sample .sfoot{padding:12px 24px;font-size:12px;color:var(--muted);font-style:italic;background:var(--mist);border-top:1px solid var(--line)}

/* Engagement arc timeline */
.arc{display:flex;gap:20px;margin-top:34px}
.arc-step{flex:1;position:relative;padding-top:56px;text-align:center}
.arc-step::before{content:'';position:absolute;top:20px;left:0;right:0;height:2px;background:var(--line)}
.arc-step:first-child::before{left:50%}
.arc-step:last-child::before{right:50%}
.arc-num{position:absolute;top:0;left:50%;transform:translateX(-50%);width:40px;height:40px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--serif);font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;border:3px solid var(--mist)}
.arc-wk{font-size:12px;color:var(--azure);font-weight:700;margin-bottom:4px}
.arc-t{font-family:var(--serif);font-size:17px;color:var(--navy);font-weight:700;margin-bottom:6px}
.arc-step p{font-size:13.5px;line-height:1.55;color:var(--muted)}

@media (max-width:900px){
  .offer{flex-direction:column;align-items:flex-start;gap:20px}
  .method-flow{flex-direction:column;align-items:stretch}
  .mf-arrow{transform:rotate(90deg);align-self:center}
  .mf-verdicts{flex-direction:row;flex-wrap:wrap}
  .srow{flex-wrap:wrap;gap:8px}
  .srow .sp{width:auto}
  .srow .sc{flex:1 1 100%}
  .srow .sw2{flex:1 1 100%}
  .career .cr{flex-wrap:wrap;gap:4px 12px}
  .career .co{flex:1 1 100%}
  .arc{flex-direction:column;gap:26px}
  .arc-step{padding-top:0;padding-left:56px;text-align:left}
  .arc-step::before{display:none}
  .arc-num{left:0;top:0;transform:none}
}