/* Layout: one 1120px column; white and off-white bands alternate; photos sit behind the opening and closing bands and in one four-tile strip. */
:root{
  --paper:#FAFAFA; --white:#FFFFFF; --tint:#F2F2F2;
  --ink:#0A0A0A; --text:#171717; --muted:#525252; --faint:#737373;
  --line:#E5E5E5; --line-strong:#D4D4D4; --rule:#EBEBEB;
  --night:#0A0A0A; --night-text:#A3A3A3; --night-body:#CFCFCF; --night-line:#262626; --night-field:#171717;
  --display:'Instrument Serif', Georgia, 'Times New Roman', serif;
  --body:'Instrument Sans', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --brand:'Inter Tight', 'Instrument Sans', system-ui, sans-serif;
  --mono:'Geist Mono', ui-monospace, 'SF Mono', Menlo, monospace;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--text);font-family:var(--body);font-size:16px;line-height:1.5}
img{max-width:100%;display:block}
picture{display:contents}
a{color:var(--ink)}
h1,h2,h3{margin:0;text-wrap:balance}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--ink);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--white);padding:8px 12px;border:1px solid var(--ink);border-radius:8px;z-index:50}
.skip:focus{left:16px}

.wrap{max-width:1120px;margin:0 auto;padding-left:max(24px,env(safe-area-inset-left,0px));padding-right:max(24px,env(safe-area-inset-right,0px))}
.band{padding-block:88px}
.band-white{background:var(--white);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.eyebrow{font-family:var(--mono);font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink);margin:0 0 12px}
.h1{font-family:var(--display);font-weight:400;font-size:64px;line-height:1.02;letter-spacing:-.01em;color:var(--ink)}
.h2{font-family:var(--display);font-weight:400;font-size:48px;line-height:1.05;letter-spacing:-.005em;color:var(--ink);max-width:760px}
.lead{font-size:19px;line-height:1.55;color:var(--muted);max-width:600px}
.sub{font-size:17px;line-height:1.55;color:var(--muted);max-width:680px}
.mono{font-family:var(--mono);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--faint)}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:12px 22px;border-radius:10px;border:1px solid var(--ink);background:var(--ink);color:var(--white);font-weight:600;font-size:16px;text-decoration:none;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--text)}
.btn-ghost{background:transparent;color:var(--ink)}
.btn-ghost:hover{background:var(--tint)}
.btn-light{background:var(--white);color:var(--ink);border-color:var(--white)}
.btn-light:hover{background:var(--line)}
.check{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.check svg{flex:none}

/* Header */
.hdr{background:var(--white);position:sticky;top:env(safe-area-inset-top,0px);z-index:20;border-bottom:1px solid var(--rule)}
body::before{content:"";position:fixed;inset:0 0 auto;height:env(safe-area-inset-top,0px);z-index:30;background:var(--white)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;gap:16px 24px;padding-block:14px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-family:var(--brand);font-weight:700;font-size:22px;letter-spacing:-.03em}
.nav{display:flex;align-items:center;gap:28px}
.nav a{color:var(--muted);text-decoration:none;font-size:15px;font-weight:500}
.nav a:hover{color:var(--ink)}
.hdr .btn{min-height:44px;padding:10px 18px;font-size:15px}
.nav a.btn,.nav a.btn:hover{color:var(--ink)}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--white)}
.hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 62%}
.hero-veil{position:absolute;inset:0;background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 46%,rgba(255,255,255,.55) 100%),linear-gradient(180deg,rgba(255,255,255,.35) 0%,rgba(255,255,255,0) 30%,rgba(255,255,255,.3) 100%)}
.hero-in{position:relative;display:flex;flex-wrap:wrap;gap:48px 56px;align-items:center;padding-block:72px 88px}
.hero-copy{flex:1 1 460px;min-width:0}
.hero-copy .eyebrow{margin-bottom:20px;font-size:17px;letter-spacing:.14em}
.hero-copy .h1{margin-bottom:20px}
.form{display:flex;flex-wrap:wrap;gap:12px;max-width:600px;margin-top:32px}
.field{flex:1 1 220px;min-width:0;min-height:48px;padding:12px 16px;border-radius:10px;border:1px solid var(--line-strong);background:var(--white);color:var(--ink)}
.field::placeholder{color:var(--faint)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.form-note{margin-top:14px;font-size:14px;line-height:1.5;color:var(--muted);max-width:600px}
.form-done{margin-top:14px;font-size:15px;line-height:1.5;color:var(--ink);font-weight:500;max-width:600px;padding:14px 16px;border:1px solid var(--line-strong);border-radius:12px;background:var(--white)}
.form-done code{font-family:var(--mono);font-size:14px;letter-spacing:0;text-transform:none;color:var(--ink);user-select:all}
.copy{margin-left:8px;min-height:32px;padding:4px 10px;border-radius:8px;border:1px solid var(--line-strong);background:var(--white);color:var(--ink);font-size:13px;font-weight:600;cursor:pointer}
.copy:hover{background:var(--tint)}
.checks{display:flex;flex-wrap:wrap;gap:12px 20px;margin-top:28px}
.aside-link{margin-top:14px;font-size:14px;color:var(--faint)}

.mock-col{flex:1 1 380px;min-width:0;max-width:480px;display:flex;flex-direction:column;gap:16px}
.mock{min-width:0;background:rgba(255,255,255,.92);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid var(--line-strong);border-radius:18px;padding:24px;box-shadow:0 24px 60px rgba(10,10,10,.12)}
.mock-top{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.pill{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;color:var(--ink);background:rgba(229,229,229,.35);border:1px solid var(--line-strong);border-radius:999px;padding:4px 10px}
.mock-prompt{margin-top:18px;display:flex;align-items:flex-end;gap:12px;padding:12px 12px 12px 16px;border:1px solid var(--line-strong);border-radius:16px;background:var(--white);box-shadow:0 1px 2px rgba(10,10,10,.06)}
.mock-q{flex:1 1 auto;min-width:0;font-size:16px;line-height:1.45;font-weight:500;color:var(--ink)}
.mock-send{flex:none;display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--ink)}
.mock-hint{margin-top:6px;font-size:12px;color:var(--faint)}
.mock-list{margin-top:14px;display:flex;flex-direction:column;gap:8px}
.mock-list li{padding:12px 14px;border:1px solid var(--line);border-radius:12px;background:var(--white);font-size:14px;line-height:1.45;color:var(--muted)}
.mock-list b{display:block;color:var(--ink);font-weight:600}
.mock-list small{display:block;margin-top:4px;font-family:var(--mono);font-size:11px;letter-spacing:.04em;color:var(--faint)}
.mock-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.mock-actions .btn{min-height:40px;padding:8px 14px;font-size:14px}
.mock-label{margin-top:22px}
.mock-train{margin-top:6px}
.bar{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-top:8px}
.bar-label{flex:0 0 190px}
.bar-track{flex:1 1 auto;height:8px;border-radius:999px;background:var(--line);overflow:hidden}
.bar-fill{display:block;height:8px;border-radius:999px;background:var(--ink)}
.bar-val{flex:0 0 36px;text-align:right;color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums}
.mock-foot{margin-top:16px;font-size:12px;color:var(--faint)}

/* Proof strip */
.strip{padding-block:20px;background:var(--paper);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.strip-in{display:flex;flex-wrap:wrap;gap:12px 36px;align-items:center}
.strip .check svg path{stroke:var(--ink)}
.tag{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink);border:1px solid var(--ink);border-radius:8px;padding:5px 10px}

/* Problem */
.figure{margin:0 0 40px}
.band-frame{aspect-ratio:21/9;max-width:100%;border-radius:16px;overflow:hidden;background:var(--ink)}
.band-frame img{width:100%;height:100%;object-fit:cover;object-position:center 45%}
.cards{display:flex;flex-wrap:wrap;gap:20px;margin-top:48px}
.card{flex:1 1 300px;min-width:0;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px}
.card h3{margin:14px 0 6px;font-size:20px;font-weight:600}
.card p{font-size:15px;line-height:1.55;color:var(--muted)}
.card svg{display:block}
.card-strong{border-color:var(--ink)}
.after{margin-top:36px;font-size:17px;line-height:1.55;color:var(--ink);max-width:720px}

/* How it works */
.steps{display:flex;flex-wrap:wrap;gap:28px 32px;margin-top:36px}
.step{flex:1 1 300px;min-width:0}
.step-n{font-family:var(--mono);font-size:36px;line-height:1;font-weight:500;color:var(--ink);margin-bottom:10px}
.step h3{font-size:22px;font-weight:600;margin-bottom:6px}
.step p{font-size:16px;line-height:1.55;color:var(--muted)}
.fine{margin-top:36px;font-size:15px;line-height:1.55;color:var(--muted);max-width:720px}

/* Inside */
.grid-2{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px}
.grid-2 .card{flex:1 1 440px}
.grid-2 .card h3{font-size:22px;margin-top:10px}
.grid-s{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:16px;margin-top:16px}
.grid-s .card{min-width:0;padding:18px}
.grid-s .card h3{font-size:16px;margin:0 0 6px}
.grid-s .card p{font-size:14px}

/* Photo-background sections: dark, heavily dimmed photo, white type, frosted panels */
.photo-band{position:relative;overflow:hidden;background:var(--night);color:var(--night-text);border-top:1px solid rgba(255,255,255,.08)}
.photo-band-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.photo-band-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.72) 0%,rgba(10,10,10,.82) 50%,rgba(10,10,10,.92) 100%)}
.photo-band>.wrap{position:relative}
.photo-band .eyebrow{color:var(--night-text)}
.photo-band .h2,.photo-band h3,.photo-band .step-n,.photo-band .quote,.photo-band .quote-by b{color:var(--white)}
.photo-band .step p,.photo-band .charter-side p,.photo-band .fine,.photo-band .quote-by,.photo-band .card p{color:var(--night-body)}
.photo-band .card,.photo-band .charter-list li{background:rgba(23,23,23,.72);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.14);color:var(--night-body)}
.photo-band .charter-list li{color:var(--white)}
.photo-band .charter-list svg path{stroke:var(--white)}

/* Charter */
.charter{display:flex;flex-wrap:wrap;gap:40px 56px;margin-top:36px;align-items:flex-start}
.charter-list{flex:1 1 520px;min-width:0;display:flex;flex-direction:column;gap:14px}
.charter-list li{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border:1px solid var(--ink);border-radius:12px;background:var(--white);font-size:16px;line-height:1.5;color:var(--text)}
.charter-list svg{flex:none;margin-top:3px}
.charter-side{flex:1 1 300px;min-width:0}
.charter-side p{font-size:16px;line-height:1.55;color:var(--muted)}
.charter-side p+p{margin-top:14px}

/* Security */
.sec-grid{display:flex;flex-wrap:wrap;gap:16px;margin-top:36px}
.sec-grid .card{flex:1 1 300px;padding:20px}
.sec-grid .card h3{font-size:17px;margin:0 0 6px}
.sec-grid .card p{font-size:14.5px}

/* Mid-page call to action */
.cta-band{background:var(--paper);color:var(--ink);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.cta-in{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px;padding-block:28px}
.cta-text{font-family:var(--display);font-size:26px;line-height:1.2;color:var(--ink);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:10px}

/* Founder */
.founder{display:flex;flex-wrap:wrap;gap:40px 56px;align-items:center}
.founder-q{flex:1 1 460px;min-width:0}
.quote{font-family:var(--display);font-size:32px;line-height:1.28;letter-spacing:-.005em;color:var(--ink);margin:0}
.quote-by{margin-top:20px;font-size:15px;color:var(--muted)}
.quote-by b{color:var(--ink);font-weight:600}

/* Partners */
.partner{display:flex;flex-wrap:wrap;gap:20px;margin-top:36px;align-items:stretch}
.partner-card{flex:2 1 460px;min-width:0;background:var(--ink);color:var(--night-text);border-radius:16px;padding:28px;display:flex;flex-direction:column;gap:16px}
.partner-card .mono{color:var(--white)}
.partner-card h3{font-size:22px;font-weight:600;color:var(--white)}
.partner-card ul{display:flex;flex-direction:column;gap:10px;font-size:15px;line-height:1.5}
.partner-card li{padding-left:18px;position:relative}
.partner-card li::before{content:"";position:absolute;left:0;top:10px;width:8px;height:2px;background:var(--white)}
.partner-card .btn{align-self:flex-start;margin-top:auto}
.partner-side{flex:1 1 280px;min-width:0;background:var(--white);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:12px}
.partner-side h3{font-size:18px;font-weight:600}
.partner-side p{font-size:15px;line-height:1.55;color:var(--muted)}
.partner-side .big{font-family:var(--display);font-size:34px;line-height:1.1;color:var(--ink)}

/* FAQ */
.faq{max-width:880px}
.faq-list{display:flex;flex-direction:column;gap:10px;margin-top:28px}
details{border:1px solid var(--line);border-radius:12px;padding:16px 18px;background:var(--paper)}
summary{cursor:pointer;font-size:17px;font-weight:600;min-height:24px;list-style:none;display:flex;justify-content:space-between;gap:16px;align-items:center}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-family:var(--mono);font-size:18px;color:var(--faint);flex:none}
details[open] summary::after{content:"–"}
details p{margin-top:12px;font-size:15px;line-height:1.55;color:var(--muted)}

/* Closing */
.closing{position:relative;overflow:hidden;background:var(--night);color:var(--night-text)}
.closing-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 40%}
.closing-veil{position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,10,10,.25) 0%,rgba(10,10,10,.55) 45%,rgba(10,10,10,.88) 100%)}
.closing-in{position:relative;max-width:720px;margin:0 auto;text-align:center;padding-block:150px 88px}
.closing .h2{color:var(--white);max-width:none}
.closing .sub{color:var(--night-text);margin:16px auto 28px}
.closing .form{justify-content:center;margin:0 auto;max-width:none}
.closing .field{flex:1 1 200px;max-width:300px;border-color:#333;background:var(--night-field);color:var(--white)}
.closing .field::placeholder{color:#8A8A8A}
.closing .form-done{color:var(--white);background:rgba(23,23,23,.9);border-color:var(--night-line)}
.closing .form-done code{color:var(--white)}
.closing .copy{background:var(--night-field);color:var(--white);border-color:#333}
.closing .form-note{color:#8A8A8A;margin-left:auto;margin-right:auto}
.closing-rule{margin:36px auto 0;padding-top:22px;border-top:1px solid var(--night-line);font-size:14px;color:var(--night-text)}
.closing-rule code{font-family:var(--mono);font-size:14px;color:var(--white);user-select:all}

/* Footer */
.foot{padding-block:28px;background:var(--paper);color:var(--faint);font-size:13px}
.foot-in{display:flex;flex-wrap:wrap;gap:14px 32px;justify-content:space-between;align-items:center}
.foot-links{display:flex;flex-wrap:wrap;gap:14px 20px}
.foot-links a{color:var(--muted);text-decoration:none}
.foot-links a:hover{color:var(--ink)}
.foot-in p:last-child{flex:1 1 100%;line-height:1.5}

@media (max-width:900px){
  .h1{font-size:52px}
}
@media (max-width:640px){
  .wrap{padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px))}
  .nav a:not(.btn){display:none}
  .hdr-in{gap:12px}
  .brand{font-size:20px}
  .band{padding-block:56px}
  .hero-in{padding-block:40px 56px}
  .closing-in{padding-block:130px 56px}
  .closing-img{object-position:center 30%}
  .h1{font-size:40px}
  .h2{font-size:34px}
  .lead{font-size:17px}
  .quote{font-size:24px}
  .bar-label{flex-basis:128px;font-size:12px}
  .form .btn{flex:1 1 100%;width:100%}
  .band-frame{aspect-ratio:4/3}
  .step-n{font-size:28px}
}
@media (prefers-reduced-motion:no-preference){
  .btn,.copy,.nav a{transition:background-color .15s ease,color .15s ease}
}