/* Figtree (SIL OFL, fonts/OFL.txt), self-hosted variable font, weights 300-900 */
@font-face{font-family:'Figtree';font-style:normal;font-display:swap;font-weight:300 900;src:url(/fonts/figtree-latin-ext-wght-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:'Figtree';font-style:normal;font-display:swap;font-weight:300 900;src:url(/fonts/figtree-latin-wght-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Layout: one centred 1200px column; full-bleed bands alternate paper, white and navy. Brand is light-only by design (doc 20/23), so the page commits to one look. */
:root{
  --paper:#F7F5F2; --surface:#FFFFFF; --surface-2:#EDEAE5; --border:#E0DDD8; --border-strong:#C4C0B8;
  --ink:#1A1F2E; --ink-2:#5C6478; --muted:#6B6663;
  --navy:#0F2845; --blue:#1E4D8C; --blue-hover:#163A6B; --blue-tint:#E7EDF6;
  --verdigris:#4A7C6F; --verdigris-lt:#7FA89B; --verdigris-dk:#2D6B5A; --verdigris-tint:#EAF2EE;
  --on-navy:#FFFFFF; --on-navy-2:#C4D9D0; --navy-line:#34507A;
  --font:'Figtree', ui-sans-serif, system-ui, -apple-system, 'Segoe UI', sans-serif;
  --gutter:clamp(16px,4vw,24px); --wrap:1200px; --radius:14px;
  color-scheme: light;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:no-preference){html{scroll-behavior:smooth}}
[id]{scroll-margin-top:88px}
img,video,svg{max-width:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--font);font-size:17px;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--blue)} a:hover{color:var(--blue-hover)}
:focus-visible{outline:3px solid var(--blue);outline-offset:3px;border-radius:4px}
h1,h2,h3{text-wrap:balance;margin:0;color:var(--navy)}
p{margin:0}
.wrap{max-width:var(--wrap);margin:0 auto;padding-inline:var(--gutter)}
.band{padding-block:clamp(64px,9vw,104px)}
.band--white{background:var(--surface);border-block:1px solid var(--border)}
.band--navy{background:var(--navy)}
.eyebrow{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--verdigris-dk)}
.band--navy .eyebrow{color:var(--verdigris-lt)}
.h2{font-size:clamp(32px,4.2vw,46px);line-height:1.08;font-weight:800;letter-spacing:-.015em}
.lede{font-size:clamp(18px,1.6vw,21px);color:var(--ink-2);max-width:60ch}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:8px;font:inherit;font-weight:600;font-size:17px;text-decoration:none;cursor:pointer;border:1.5px solid transparent;transition:background .15s,color .15s}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-hover);color:#fff}
.btn--ghost{background:transparent;color:var(--blue);border-color:var(--blue)}
.btn--ghost:hover{background:var(--blue-tint)}

/* header */
.site-head{position:sticky;top:env(safe-area-inset-top,0px);z-index:10;background:color-mix(in srgb,var(--paper) 92%,transparent);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-block:14px}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:var(--ink)}
.logo b{font-size:20px;font-weight:700}
.logo .mark{flex:none;display:block}
.logo b span{color:var(--blue)}
.nav-links{display:flex;gap:28px;list-style:none;margin:0;padding:0}
.nav-links a{color:var(--ink);text-decoration:none;font-weight:500}
.nav-links a:hover,.nav-links a[aria-current="page"]{color:var(--blue)}
.nav-cta{display:flex;align-items:center;gap:12px}
.menu-btn{display:none;width:44px;height:44px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer;align-items:center;justify-content:center}
@media (max-width:880px){
  .nav-links{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--border);padding:8px var(--gutter) 16px}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:12px 0;font-size:18px}
  .menu-btn{display:inline-flex}
  .nav .btn{display:none}
}

/* hero */
.hero{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:56px;align-items:center;padding-block:clamp(56px,8vw,96px)}
@media (max-width:960px){.hero{grid-template-columns:minmax(0,1fr)}}
.hero-copy{display:flex;flex-direction:column;gap:24px}
.badge{align-self:flex-start;background:var(--verdigris-tint);color:var(--verdigris-dk);font-size:14px;font-weight:600;padding:8px 14px;border-radius:999px}
.hero h1{font-size:clamp(40px,5.6vw,64px);line-height:1.03;font-weight:800;letter-spacing:-.025em}
.hero h1 em{font-style:normal;color:var(--blue)}
.cta-row{display:flex;flex-wrap:wrap;gap:14px}

/* diagram labels */

.flow-label{font-size:12px;font-weight:700;letter-spacing:.12em;color:var(--verdigris-dk);margin-bottom:12px}

/* accuracy */
.band--navy .h2{color:var(--on-navy)}

/* pilot cta */
.pilot{background:var(--blue);border-radius:20px;padding:clamp(28px,5vw,56px);display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:start}
@media (max-width:860px){.pilot{grid-template-columns:minmax(0,1fr)}}
.pilot-copy{display:flex;flex-direction:column;gap:16px}
.pilot .eyebrow{color:var(--on-navy-2)}
.pilot .h2{color:#fff;font-size:clamp(30px,3.6vw,40px)}
.pilot-copy p{color:var(--blue-tint);font-size:18px}
.form{background:var(--surface);border-radius:var(--radius);padding:28px;display:flex;flex-direction:column;gap:14px}
.field{display:flex;flex-direction:column;gap:6px;font-size:15px;font-weight:600;color:var(--ink)}
.field input{font:inherit;font-weight:400;font-size:16px;padding:12px;border:1px solid var(--border-strong);border-radius:8px;min-height:46px;background:var(--surface);color:var(--ink)}
.field input:focus{outline:3px solid var(--blue-tint);border-color:var(--blue)}
.row2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
@media (max-width:420px){.row2{grid-template-columns:minmax(0,1fr)}}
.form-note{font-size:14px;color:var(--muted)}
.form-done{background:var(--verdigris-tint);color:var(--verdigris-dk);border-radius:8px;padding:12px 14px;font-weight:600}

/* walkthrough player */
.player{margin:0;display:flex;flex-direction:column;gap:12px}

/* full how-it-works diagram */
.arch{display:grid;grid-template-columns:minmax(0,.8fr) auto minmax(0,1.6fr) auto minmax(0,.8fr);gap:14px;align-items:stretch}
@media (max-width:980px){.arch{grid-template-columns:minmax(0,1fr)}.arch .conn{transform:rotate(90deg);justify-self:center}}
.col{border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:10px}
.col--sys{background:var(--surface);border:1px solid var(--border)}
.col--atium{background:var(--navy)}
.col--ai{background:var(--surface);border:1px solid var(--border)}
.col .flow-label{margin-bottom:4px}
.col--atium .flow-label{color:var(--verdigris-lt)}
.sys{background:var(--surface-2);border-radius:8px;padding:11px;text-align:center;font-weight:600;color:var(--navy)}
.stage{display:grid;grid-template-columns:112px minmax(0,1fr);gap:12px;align-items:center;background:#16365E;border:1px solid var(--navy-line);border-radius:10px;padding:12px 14px}
@media (max-width:480px){.stage{grid-template-columns:minmax(0,1fr)}}
.stage b{color:#fff;font-size:17px}
.stage span{color:var(--on-navy-2);font-size:15px;line-height:1.4}
.ai{background:var(--verdigris-tint);border-radius:10px;padding:14px;display:flex;flex-direction:column;gap:2px}
.ai b{color:var(--verdigris-dk);font-size:16px}
.ai span{font-size:14px;color:var(--ink-2)}
.conn{align-self:center;display:flex;flex-direction:column;align-items:center;gap:4px;color:var(--verdigris);font-size:12px;font-weight:700;letter-spacing:.08em}
.arch-cap{margin-top:22px;font-size:19px;font-weight:600;color:var(--verdigris-dk)}

/* evidence method note */

.method{margin-top:20px;font-size:15px;color:var(--muted);max-width:80ch}

/* pilot steps */
.pilot-steps{list-style:none;margin:8px 0 0;padding:0;display:flex;flex-direction:column;gap:14px;counter-reset:ps}
.pilot-steps li{display:grid;grid-template-columns:36px minmax(0,1fr);gap:14px;align-items:start;counter-increment:ps;color:var(--blue-tint)}
.pilot-steps li::before{content:counter(ps);width:36px;height:36px;border-radius:9px;background:var(--verdigris-lt);color:var(--navy);font-weight:800;display:flex;align-items:center;justify-content:center}
.pilot-steps b{display:block;color:#fff;font-size:18px}

/* footer */
.foot{background:var(--navy);color:var(--on-navy-2);padding-block:48px;margin-top:0}
.foot-in{display:flex;flex-wrap:wrap;justify-content:space-between;gap:24px;font-size:15px}
.foot b{display:block;font-size:18px;color:#fff;margin-bottom:6px}
.foot b span{color:var(--verdigris-lt)}
.foot nav{display:flex;flex-wrap:wrap;gap:22px}
.foot a{color:var(--blue-tint);text-decoration:none}
.foot a:hover{color:#fff}

/* ---------- v0.5: deck lessons ---------- */
.hl{color:var(--verdigris)} .band--navy .hl,.pilot .hl,.cbox--pay .hl{color:var(--verdigris-lt)}
.hero h1 .hl{color:var(--verdigris)}
.take{margin-top:28px;font-size:clamp(20px,2.2vw,24px);font-weight:700;color:var(--verdigris-dk)}
.take--c{text-align:center}
/* three answers */
.answers{display:grid;grid-template-columns:minmax(0,.8fr) minmax(0,1.6fr);gap:40px;align-items:center;margin-top:40px}
@media (max-width:820px){.answers{grid-template-columns:minmax(0,1fr)}}
.ask{background:var(--blue);color:#fff;border-radius:18px;padding:28px;font-size:22px;font-weight:700;line-height:1.3}
.ask small{display:block;font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--blue-tint);margin-bottom:10px;font-weight:700}
.reply{display:flex;flex-direction:column;gap:12px}
.reply small{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:700}
.ans{display:grid;grid-template-columns:110px 120px minmax(0,1fr);gap:12px;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:16px 20px}
@media (max-width:520px){.ans{grid-template-columns:minmax(0,1fr)}}
.ans .day{color:var(--muted);font-size:15px}.ans .val{font-size:30px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}.ans .why{font-style:italic;color:var(--ink-2);font-size:15px}
/* four equal boxes with payoff */
.chain{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:36px;margin-top:40px;position:relative}
@media (max-width:980px){.chain{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.chain{grid-template-columns:minmax(0,1fr)}}
.cbox{border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px;position:relative;min-height:300px}
.cbox h3{font-size:22px;margin-bottom:6px}
.cbox--light{background:var(--surface);border:1px solid var(--border)}
.cbox--dark{background:var(--navy);color:var(--on-navy-2)} .cbox--dark h3{color:#fff}
.cbox .it{background:var(--surface-2);border-radius:8px;padding:10px 12px;font-weight:600;color:var(--navy)}
.cbox--dark ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px}
.cbox--dark li{display:flex;gap:10px;line-height:1.35}.cbox--dark li::before{content:"";flex:none;width:9px;height:9px;margin-top:.45em;border-radius:50%;background:var(--verdigris-lt)}
.cbox--pay{background:var(--navy);justify-content:center;font-size:24px;font-weight:800;color:#fff;line-height:1.25}
.cbox:not(:last-child)::after{content:"→";position:absolute;right:-28px;top:50%;transform:translateY(-50%);color:var(--verdigris);font-size:22px;font-weight:700}
@media (max-width:980px){.cbox::after{display:none}}
.cbox .tagline{margin-top:auto;align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;border-radius:6px;padding:5px 9px;background:var(--verdigris-tint);color:var(--verdigris-dk)}
.cbox--dark .tagline{background:var(--verdigris-lt);color:var(--navy)}
details.detail{margin-top:32px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface)}
details.detail summary{cursor:pointer;padding:18px 22px;font-weight:700;color:var(--blue);list-style:none}
details.detail summary::-webkit-details-marker{display:none}
details.detail summary::after{content:" +";} details.detail[open] summary::after{content:" −";}
details.detail .arch{padding:0 22px 22px}
/* before / after */
.ba{display:grid;grid-template-columns:minmax(0,1fr) 48px minmax(0,1fr);gap:12px 0;margin-top:36px;align-items:stretch}
.ba .hd{font-size:13px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-bottom:4px}
.ba .hd--w{color:var(--verdigris-dk)}
.ba .b{background:var(--surface-2);border-radius:10px;padding:16px 20px;color:var(--ink-2);font-size:18px}
.ba .a{background:var(--verdigris-tint);border-radius:10px;padding:16px 20px;color:var(--verdigris-dk);font-weight:700;font-size:18px}
.ba .ar{display:flex;align-items:center;justify-content:center;color:var(--verdigris);font-size:22px}
@media (max-width:640px){.ba{grid-template-columns:minmax(0,1fr)}.ba .ar,.ba .hd{display:none}.ba .a{margin-bottom:10px}}
/* breadth */
.breadth{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;margin-top:40px}
@media (max-width:1000px){.breadth{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.breadth{grid-template-columns:minmax(0,1fr)}}
.bcol{background:var(--surface);border:1px solid var(--border);border-top:4px solid var(--verdigris);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:10px}
.bcol h3{font-size:26px}
.bcol p{color:var(--ink-2)}
/* evidence */
.bars{display:flex;flex-direction:column;gap:14px;margin-top:28px}
.bar{display:grid;grid-template-columns:240px minmax(0,1fr);gap:16px;align-items:center}
@media (max-width:640px){.bar{grid-template-columns:minmax(0,1fr)}}
.bar span{font-weight:700;color:var(--ink-2)} .bar--a span{color:var(--verdigris-dk)}
.bar i{display:flex;align-items:center;height:44px;border-radius:6px;background:#B9B4AE;color:#fff;font-style:normal;font-weight:700;padding:0 12px;font-variant-numeric:tabular-nums;white-space:nowrap}
.bar--a i{background:var(--verdigris);width:max-content}
.tiles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px}
@media (max-width:700px){.tiles{grid-template-columns:minmax(0,1fr)}}
.tile{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px}
.tile b{display:block;font-size:clamp(36px,4vw,48px);font-weight:800;color:var(--blue);line-height:1}
.tile span{color:var(--ink-2)}
.tile--d{background:var(--navy);border-color:var(--navy)} .tile--d b{color:#fff} .tile--d span{color:var(--on-navy-2)}
/* trust cards */
.tcards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:40px}
@media (max-width:720px){.tcards{grid-template-columns:minmax(0,1fr)}}
.tcard{border-left:4px solid var(--verdigris-lt);background:#16365E;border-radius:10px;padding:24px 26px}
.tcard h3{color:#fff;font-size:22px;margin-bottom:8px}.tcard p{color:var(--on-navy-2)}
/* onboarding chain uses .chain */
.chain--5{grid-template-columns:repeat(5,minmax(0,1fr));gap:30px}
@media (max-width:1100px){.chain--5{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.chain--5{grid-template-columns:minmax(0,1fr)}}
.chain--5 .cbox{min-height:240px;padding:22px}
.chain--5 .cbox--pay{font-size:19px}
.chain--5 .cbox:not(:last-child)::after{right:-24px}

/* v0.6 walkthrough video */
.vid{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#fff;box-shadow:0 24px 48px -28px rgba(15,40,69,.45);aspect-ratio:16/9}
.vid video{display:block;width:100%;height:100%;object-fit:contain;background:#fff}
.vid-cap{font-size:15px;color:var(--ink-2)} .vid-cap span{display:block;font-size:13px;color:var(--muted);margin-top:4px}
@media (prefers-reduced-motion:reduce){.vid video{animation:none}}

.vid--poster{position:relative;display:block;aspect-ratio:16/9}
.vid--poster img{display:block;width:100%;height:100%;object-fit:cover}
.play-btn{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:76px;height:76px;border-radius:50%;background:var(--blue);border:3px solid var(--verdigris-lt);display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px -10px rgba(15,40,69,.6);transition:transform .15s}
.vid--poster:hover .play-btn{transform:translate(-50%,-50%) scale(1.06)}
.vid--full{margin-top:36px;aspect-ratio:16/9}

/* about and privacy pages */
.page-hero{padding-block:clamp(48px,7vw,88px) clamp(40px,6vw,64px);display:flex;flex-direction:column;gap:16px}
.page-hero h1{font-size:clamp(38px,5vw,58px);line-height:1.05;font-weight:800;letter-spacing:-.02em;max-width:20ch}
.prose{display:flex;flex-direction:column;gap:20px;font-size:19px}
.prose > *{max-width:760px}
.prose p{color:var(--ink-2)}
.prose .h2{margin-bottom:4px}
.rule{margin-top:8px;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.3;color:var(--navy)!important}
.prose .cta-row{margin-top:12px}
.legal{font-size:17px;gap:14px}
.legal h2{font-size:22px;font-weight:700;margin-top:18px}
.legal ul{margin:0;padding-left:22px;display:flex;flex-direction:column;gap:10px;color:var(--ink-2)}
.legal b{color:var(--ink)}