/* Bookstead landing (DRAFT). Tokens: swap --brand / --accent for a partner theme. */
@font-face{font-family:"Fraunces";src:url(assets/fonts/fraunces.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"Inter";src:url(assets/fonts/inter.woff2) format("woff2");font-weight:100 900;font-display:swap}
@font-face{font-family:"JetBrains Mono";src:url(assets/fonts/jetbrains-mono.woff2) format("woff2");font-weight:100 800;font-display:swap}
:root{
  --brand:#0B1F3A; --brand-ink:#0B1F3A; --accent:#2F7D5B; --paper:#F6F3EC;
  --paper-2:#FBF9F3; --slate:#5B6B7B; --hair:#D9D4C7; --amber:#B45309; --amber-bg:#FDE68A; --red:#B42318; --red-bg:#FBE4E1;
  --serif:"Fraunces",Georgia,"Times New Roman",serif; --sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif; --mono:"JetBrains Mono",ui-monospace,Menlo,Consolas,monospace;
  --r:10px; --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--brand-ink);font:400 17px/1.6 var(--sans);-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:inherit}
.wrap{width:min(var(--wrap),100% - 40px);margin-inline:auto}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--brand);color:#fff;padding:10px 14px;z-index:100;border-radius:6px}
.skip:focus{left:8px}

/* placeholders: must be impossible to miss */
.ph{display:inline-block;background:#FFE3F1;border:2px dashed #C2185B;color:#7A0B3A;font:600 .78em/1.35 var(--mono);padding:2px 8px;border-radius:5px;letter-spacing:.01em;vertical-align:baseline}
.draftbar{background:#FFE3F1;border-bottom:2px dashed #C2185B;color:#7A0B3A;font:500 13px/1.45 var(--mono);text-align:center;padding:8px 16px}
.draftbar b{font-weight:700}

/* header */
.top{position:sticky;top:0;z-index:50;background:rgba(246,243,236,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--hair)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.mark{display:flex;align-items:center;gap:10px;text-decoration:none;font:600 22px/1 var(--serif);letter-spacing:-.01em;color:var(--brand-ink)}
.mark svg{width:30px;height:30px;flex:none}
.nav{display:flex;align-items:center;gap:26px}
.nav a.l{font:500 15px/1 var(--sans);text-decoration:none;color:var(--slate);padding:14px 4px;min-height:44px;display:inline-flex;align-items:center}
.nav a.l:hover{color:var(--brand-ink)}

/* buttons: one primary action colour */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 22px;border-radius:8px;font:600 16px/1.2 var(--sans);text-decoration:none;border:2px solid var(--accent);background:var(--accent);color:#fff;cursor:pointer;transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 16px rgba(11,31,58,.16)}
.btn.sec{background:transparent;color:var(--brand-ink);border-color:var(--brand-ink)}
.btn.sm{min-height:44px;padding:10px 16px;font-size:15px}
.btn svg{width:18px;height:18px}

/* type */
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.02em;line-height:1.1;margin:0;color:var(--brand-ink)}
h1{font-size:clamp(38px,5.6vw,66px);font-variation-settings:"opsz" 144}
h2{font-size:clamp(30px,3.8vw,46px);font-variation-settings:"opsz" 96}
h3{font-size:22px;line-height:1.2}
h1 em,h2 em{font-style:italic;color:var(--accent);font-weight:600}
p{margin:0 0 1em}
.lede{font-size:clamp(18px,1.6vw,21px);line-height:1.55;color:#22354D;max-width:56ch}
.eyebrow{font:500 13px/1 var(--mono);letter-spacing:.12em;text-transform:uppercase;color:var(--slate);margin:0 0 18px;display:block}
.mono{font-family:var(--mono)}
section{padding:clamp(56px,8vw,104px) 0;scroll-margin-top:68px}
.alt{background:var(--paper-2);border-block:1px solid var(--hair)}
.sec-head{max-width:760px;margin-bottom:40px}
.sec-head p{color:#22354D;font-size:19px}

/* chips */
.chip{display:inline-flex;align-items:center;gap:6px;font:500 12.5px/1 var(--mono);letter-spacing:.02em;padding:7px 10px;border-radius:5px;border:1.5px solid var(--brand-ink);color:var(--brand-ink);background:transparent;white-space:nowrap}
.chip.pilot{border-color:var(--accent);color:#1F5C41;background:#E4F1EA}
.chip.plan{border-style:dashed;border-color:var(--slate);color:#3E4E5E}
.chip.design{border-style:dashed;border-color:var(--slate);color:#3E4E5E;background:#EFEBE0}
.chip.human{border:1.5px solid var(--amber);color:#7A3A00;background:var(--amber-bg)}
.chip.never{border-color:var(--red);color:#8A1A10;background:var(--red-bg)}
.chips{display:flex;flex-wrap:wrap;gap:10px}

/* hero */
.hero{padding:clamp(40px,6vw,84px) 0 clamp(48px,6vw,88px)}
.hero .grid{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero h1{margin-bottom:22px}
.hero .lede{margin-bottom:28px}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px}
.trust-line{font:600 clamp(18px,2vw,22px)/1.35 var(--serif);margin:0 0 24px;padding-left:16px;border-left:4px solid var(--amber);color:var(--brand-ink)}
figure{margin:0}
.photo{position:relative;border-radius:var(--r);overflow:hidden;background:#E6E1D3;border:1px solid var(--hair)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo figcaption{position:absolute;left:0;bottom:0;right:0;background:linear-gradient(0deg,rgba(11,31,58,.86),rgba(11,31,58,.0));color:#fff;font:500 12px/1.3 var(--mono);padding:34px 14px 12px;letter-spacing:.02em}
.hero .photo{aspect-ratio:1/1}
.hero .photo img{object-position:50% 50%}

/* loop */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.loop{list-style:none;margin:28px 0 0;padding:0;counter-reset:l;display:grid;gap:0;border-top:1px solid var(--hair)}
.loop li{counter-increment:l;display:grid;grid-template-columns:44px 1fr;align-items:baseline;padding:16px 0;border-bottom:1px solid var(--hair);font-size:19px}
.loop li::before{content:counter(l,decimal-leading-zero);font:500 14px/1 var(--mono);color:var(--slate)}
.split .photo{aspect-ratio:1000/840}

/* steps */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:44px}
.card{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:26px 24px}
.card h3{margin:14px 0 10px}
.card p{color:#22354D;margin:0 0 14px;font-size:16.5px}
.card .num{font:500 13px/1 var(--mono);color:var(--slate);letter-spacing:.1em}
.card.gate{border:2px solid var(--amber);background:#FFFBEB}
.card.gate .num{color:#7A3A00}
.diagram{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:clamp(14px,3vw,32px)}
.diagram img{margin-inline:auto;width:100%;height:auto}
.legend{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:16px;font:500 12.5px/1.2 var(--mono);color:var(--slate)}
.legend span{display:inline-flex;align-items:center;gap:8px}
.legend i{width:16px;height:16px;border-radius:4px;border:2px solid;display:inline-block}
.legend .a i{background:#DCE6F2;border-color:var(--brand)}
.legend .h i{background:var(--amber-bg);border-color:var(--amber)}
.legend .p i{background:var(--paper);border:2px dashed var(--slate)}
.legend .n i{background:var(--red-bg);border-color:var(--red)}
.only-m{display:none}

/* tiles */
.tiles{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:18px}
.tile{background:#fff;border:1px solid var(--hair);border-radius:var(--r);padding:24px 22px;display:flex;flex-direction:column;gap:12px}
.tile h3{font-size:20px}
.tile p{margin:0;font-size:15.5px;color:#22354D;flex:1}
.tile .chip{align-self:flex-start}
.fine{font:400 14px/1.5 var(--sans);color:var(--slate)}

/* plaid */
.plaid-eg{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:32px 0 40px}
.plaid-eg .card{background:#fff}
.plaid-eg b{font:500 12.5px/1 var(--mono);letter-spacing:.1em;color:var(--slate)}
.plaid-eg p{font-family:var(--serif);font-size:19px;line-height:1.35;color:var(--brand-ink);margin:10px 0 0}
.callout{border:1.5px dashed var(--slate);border-radius:var(--r);padding:16px 20px;background:var(--paper);font-size:15.5px;color:#22354D;margin-top:26px}

/* guardrails (navy band) */
.navy{background:var(--brand);color:#F6F3EC}
.navy h2,.navy h3{color:#fff}
.navy .eyebrow{color:#AEB9C7}
.navy .sec-head p{color:#D5DCE5}
.navy .split{align-items:start}
.rules{list-style:none;margin:0;padding:0;display:grid;gap:12px}
.rules li{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;font-size:18px;line-height:1.45;padding:14px 16px;border:1px solid rgba(246,243,236,.18);border-radius:var(--r);background:rgba(255,255,255,.04)}
.rules svg{width:24px;height:24px;margin-top:2px}
.rules .yes svg{color:#7FD1A6}
.rules .no svg{color:#FF9E93}
.big-quote{font:600 clamp(22px,2.6vw,30px)/1.25 var(--serif);margin:30px 0 0;color:#fff}
.big-quote span{color:var(--amber-bg)}
.navy .diagram{background:var(--paper)}
.navy .legend{color:#5B6B7B}

/* client view + mock */
.mock-wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(24px,4vw,56px);align-items:start}
.mock-wrap .photo{aspect-ratio:900/1100;max-height:680px}
.toggle{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:16px}
.toggle .lbl{font:500 13px/1 var(--mono);color:var(--slate);letter-spacing:.06em;text-transform:uppercase;margin-right:6px}
.toggle button{min-height:44px;padding:8px 14px;border-radius:8px;border:1.5px solid var(--hair);background:#fff;font:600 14px/1 var(--sans);color:var(--brand-ink);cursor:pointer;display:inline-flex;align-items:center;gap:8px}
.toggle button i{width:14px;height:14px;border-radius:50%;display:inline-block;border:1.5px solid rgba(0,0,0,.2)}
.toggle button[aria-pressed=true]{border-color:var(--brand-ink);box-shadow:inset 0 0 0 1px var(--brand-ink)}
.hq{--t-brand:#0B1F3A;--t-accent:#2F7D5B;--t-tint:#E4F1EA;background:#fff;border:1px solid var(--hair);border-radius:14px;overflow:hidden;box-shadow:0 14px 40px rgba(11,31,58,.12)}
.hq[data-theme=navy]{--t-brand:#00265C;--t-accent:#1B5FB8;--t-tint:#E3ECF8}
.hq[data-theme=plum]{--t-brand:#4A1D3F;--t-accent:#A2345E;--t-tint:#F6E4EC}
.hq-bar{background:var(--t-brand);color:#fff;padding:14px 18px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.hq-bar b{font:600 18px/1.1 var(--serif)}
.hq-bar span{font:500 11.5px/1 var(--mono);opacity:.85}
.hq-body{padding:18px}
.hq-body h4{margin:0 0 4px;font:600 20px/1.2 var(--serif)}
.hq-body .sub{font-size:14.5px;color:var(--slate);margin:0 0 14px}
.row{display:grid;grid-template-columns:1fr auto;gap:8px 12px;align-items:center;padding:12px 0;border-top:1px solid var(--hair)}
.row .who{font-weight:600;font-size:15.5px}
.row .why{font-size:13.5px;color:var(--slate);grid-column:1}
.row .amt{font:500 15px/1 var(--mono);text-align:right}
.acts{grid-column:1/-1;display:flex;gap:8px;flex-wrap:wrap}
.acts span{font:600 13px/1 var(--sans);padding:10px 14px;border-radius:7px;border:1.5px solid var(--hair);min-height:38px;display:inline-flex;align-items:center}
.acts .ok{background:var(--t-accent);border-color:var(--t-accent);color:#fff}
.acts .hold{border-color:var(--amber);color:#7A3A00;background:#FFFBEB}
.hq-foot{background:var(--t-tint);padding:12px 18px;font:500 12.5px/1.4 var(--mono);color:var(--brand-ink);display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap}
.mock-cap{font:500 12px/1.4 var(--mono);color:var(--slate);margin-top:12px}
.hq .chip{font-size:11px;padding:5px 8px}

/* reports */
.reports{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:start}
.rep{background:#fff;border:1px solid var(--hair);border-radius:14px;padding:22px}
.rep h4{font:600 20px/1.2 var(--serif);margin:0 0 4px}
.rep .sub{font-size:14px;color:var(--slate);margin:0 0 12px}
.rep ul{list-style:none;padding:0;margin:0}
.rep li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:12px 0;border-top:1px solid var(--hair);font-size:15.5px}
.rep li small{display:block;color:var(--slate);font-size:13px}
.rep li .v{font:500 14px/1.3 var(--mono);text-align:right;flex:none}
.tbl{width:100%;border-collapse:collapse;font-size:14.5px}
.tbl th{font:500 11.5px/1.2 var(--mono);letter-spacing:.08em;text-transform:uppercase;color:var(--slate);text-align:left;padding:8px 6px;border-bottom:2px solid var(--hair)}
.tbl td{padding:12px 6px;border-bottom:1px solid var(--hair)}
.tbl td.n{font-family:var(--mono);text-align:right}
.tbl th.n{text-align:right}
.rule-note{margin-top:22px;font:600 20px/1.35 var(--serif);max-width:60ch}

/* pilot */
.pilot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,56px);align-items:start}
.timeline{list-style:none;margin:26px 0 22px;padding:0;display:grid;gap:0}
.timeline li{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:16px 0;border-top:1px solid var(--hair)}
.timeline li:last-child{border-bottom:1px solid var(--hair)}
.timeline .n{width:38px;height:38px;border-radius:50%;background:var(--brand);color:#fff;display:grid;place-items:center;font:500 14px/1 var(--mono)}
.timeline h3{font-size:20px;margin-bottom:4px}
.timeline p{margin:0;color:#22354D;font-size:16px}
.terms{border:2px dashed #C2185B;background:#FFF7FB;border-radius:var(--r);padding:20px 22px}
.terms h3{font-size:19px;margin-bottom:10px}
.terms dl{margin:0;display:grid;grid-template-columns:auto 1fr;gap:10px 18px;align-items:baseline;font-size:15.5px}
.terms dt{color:var(--slate)}
.terms dd{margin:0}
.pilot-photo .photo{aspect-ratio:1000/760}
.pilot-note{margin-top:22px;padding:22px 24px;background:#fff;border:1px solid var(--hair);border-radius:var(--r);border-left:5px solid var(--brand)}
.pilot-note p{margin:0 0 .7em;font-size:17.5px}
.pilot-note p:last-child{margin:0}
.pilot-note .lead{font:600 22px/1.3 var(--serif)}

/* faq */
.faq{max-width:820px;display:grid;gap:0;border-top:1px solid var(--hair)}
details{border-bottom:1px solid var(--hair)}
summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;font:600 19px/1.35 var(--serif);position:relative;min-height:44px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";position:absolute;right:6px;top:16px;font:400 28px/1 var(--mono);color:var(--slate)}
details[open] summary::after{content:"\2013"}
details p{margin:0 0 20px;color:#22354D;max-width:64ch}

/* cta */
.cta-band{background:var(--brand);color:#fff;text-align:left}
.cta-band h2{color:#fff;margin-bottom:16px}
.cta-band .inner{display:grid;grid-template-columns:1.2fr .8fr;gap:clamp(24px,4vw,56px);align-items:center}
.cta-band p{color:#D5DCE5;font-size:19px;max-width:52ch}
.cta-box{background:rgba(255,255,255,.06);border:1px solid rgba(246,243,236,.2);border-radius:var(--r);padding:26px}
.cta-box .btn{width:100%;margin-bottom:16px}
.cta-box .ph{display:block;white-space:normal;margin-bottom:10px}
.cta-box .trust{font:600 18px/1.35 var(--serif);color:#fff;margin:18px 0 0;padding-top:16px;border-top:1px solid rgba(246,243,236,.2)}
.cta-box small{color:#AEB9C7;font-size:13.5px;display:block}

footer{background:#081629;color:#B8C2CF;padding:48px 0 40px;font-size:15px}
footer .wrap{display:grid;gap:22px}
footer .fl{display:grid;grid-template-columns:1.3fr 1fr;gap:32px;align-items:start}
footer .trust{font:600 20px/1.3 var(--serif);color:#fff;margin:0}
footer .links{display:flex;flex-wrap:wrap;gap:8px 22px}
footer .links a{color:#D5DCE5;padding:10px 0;display:inline-block}
footer .id{margin:0;font-size:14px}
footer .ph{background:#FFE3F1}
footer .disc{font:500 12.5px/1.5 var(--mono);color:#93A0B0;margin:0;border-top:1px solid rgba(255,255,255,.12);padding-top:18px}

/* responsive */
@media (max-width:1020px){
  .nav a.l{display:none}
  .reports{grid-template-columns:1fr}
}
@media (max-width:820px){
  body{font-size:16.5px}
  .hero .grid,.split,.mock-wrap,.pilot-grid,.cta-band .inner,footer .fl{grid-template-columns:1fr}
  .hero .photo{aspect-ratio:4/3;order:-1}
  .hero .grid{gap:24px}
  .hero{padding-top:20px}
  .steps,.plaid-eg{grid-template-columns:1fr}
  .only-d{display:none}
  .only-m{display:block}
  .mock-wrap .photo{aspect-ratio:900/1100;max-height:520px}
  .btn{width:100%}
  .cta-row .btn{width:100%}
  .top .btn{width:auto}
  .terms dl{grid-template-columns:1fr;gap:2px 0}
  .terms dt{margin-top:10px}
}
@media (max-width:560px){
  .wrap{width:min(var(--wrap),100% - 32px)}
  .mark{font-size:20px}
  .top .btn{padding:10px 12px;font-size:14px}
  .hq-body{padding:14px}
  .rep{padding:16px}
  .tbl{font-size:13.5px}
  .tbl th,.tbl td{padding-inline:3px}
  .toggle .lbl{width:100%;margin-bottom:2px}
  .draftbar{font-size:12px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn{transition:none}.btn:hover{transform:none}}

/* ===== interactive system (embedded diagram) ===== */
.sys-embed{background:#fff;border:1px solid var(--hair);border-radius:14px;overflow:hidden}
.sys-embed-bar{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px 16px;padding:12px 16px;border-bottom:1px solid var(--hair);background:var(--paper);font:500 12.5px/1.4 var(--mono);color:var(--slate)}
.sys-embed-bar .btn{width:auto;flex:none}
#sys-frame{display:block;width:100%;height:920px;border:0;background:#fff}
.sys-never{margin-top:16px;background:var(--red-bg);border:2px solid var(--red);border-radius:10px;padding:12px 16px;font-size:15px;color:#5B1414}
@media (max-width:900px){#sys-frame{height:1180px}}
@media (max-width:560px){#sys-frame{height:1100px}}

/* people photos + system 1/2 */
.photos3{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:18px}
.photos3 .photo{aspect-ratio:4/3}
.photos3 .p2 img{object-position:40% 50%}
@media (max-width:820px){.photos3{grid-template-columns:1fr}}
.sys12{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:30px 0 0}
.sys12 .card{background:#fff}
.sys12 .card:first-child{border-top:4px solid var(--brand)}
.sys12 .card:last-child{border-top:4px solid var(--accent)}
.sys12 b{font:500 12.5px/1 var(--mono);letter-spacing:.1em;color:var(--slate)}
@media (max-width:820px){.sys12{grid-template-columns:1fr}}