/* Bastion Protocol — Substrate design system
   Single-theme by design: the dark is the brand. */

@font-face{font-family:'Syne';font-style:normal;font-weight:700;font-display:swap;src:url('/assets/fonts/Syne-700.woff2') format('woff2')}
@font-face{font-family:'Syne';font-style:normal;font-weight:800;font-display:swap;src:url('/assets/fonts/Syne-800.woff2') format('woff2')}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/InstrumentSerif-400.woff2') format('woff2')}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url('/assets/fonts/InstrumentSerif-400-italic.woff2') format('woff2')}
@font-face{font-family:'DM Mono';font-style:normal;font-weight:400;font-display:swap;src:url('/assets/fonts/DMMono-400.woff2') format('woff2')}
@font-face{font-family:'DM Mono';font-style:normal;font-weight:500;font-display:swap;src:url('/assets/fonts/DMMono-500.woff2') format('woff2')}

:root{
  --ground:#0B1013; --ground-2:#0F1519; --card:#121A1E;
  --ink:#EDE6D8; --muted:#93A29B;
  --line:rgba(237,230,216,.16); --line-soft:rgba(237,230,216,.07);
  --gold:#F0B429; --gold-text:#E3B23C; --teal:#2E6E66; --ok:#6FB98F;
  --ff-display:'Syne',system-ui,sans-serif;
  --ff-serif:'Instrument Serif',Georgia,serif;
  --ff-mono:'DM Mono',ui-monospace,Menlo,monospace;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--ground);color:var(--ink);font:400 16px/1.65 system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--gold-text);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:0;background:var(--gold);color:#141109;padding:10px 16px;font-family:var(--ff-mono);z-index:10}
.skip:focus{left:16px}

/* substrate: fixed living layer behind everything */
#net,#fx{position:fixed;inset:0;width:100vw;height:100vh;pointer-events:none;z-index:0}
#atmo{position:fixed;inset:0;pointer-events:none;z-index:0;
  background:radial-gradient(90% 55% at 78% 0%,rgba(46,110,102,.15) 0%,transparent 60%),
             radial-gradient(70% 45% at 15% 100%,rgba(240,180,41,.06) 0%,transparent 55%)}
nav,header,main,section,footer{position:relative;z-index:1}
section{background:color-mix(in srgb,var(--ground) 82%,transparent)}
footer{background:transparent}

/* nav */
nav{border-bottom:1px solid var(--line-soft);background:color-mix(in srgb,var(--ground) 75%,transparent);backdrop-filter:blur(6px)}
.nav-in{display:flex;align-items:baseline;justify-content:space-between;padding:20px 0;gap:16px;flex-wrap:wrap}
.wordmark{font-family:var(--ff-display);font-weight:800;font-size:18px;letter-spacing:.06em;color:var(--ink);text-decoration:none}
.wordmark .dot{color:var(--gold)}
.nav-links{display:flex;gap:26px;font-family:var(--ff-mono);font-size:12px;letter-spacing:.08em;flex-wrap:wrap}
.nav-links a{color:var(--muted);text-decoration:none;border-bottom:1px solid transparent;padding-bottom:2px}
.nav-links a:hover,.nav-links a:focus-visible,.nav-links a[aria-current]{color:var(--ink);border-bottom-color:var(--gold)}

/* hero */
.hero{padding:72px 0 64px;overflow:hidden}
.hero .wrap{position:relative;z-index:2}
.eyebrow{font-family:var(--ff-mono);font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--gold-text);margin:0 0 28px}
.envelope{position:relative;border:1px solid var(--line);padding:56px 48px 64px;margin-bottom:36px;
  background:color-mix(in srgb,var(--ground) 55%,transparent);backdrop-filter:blur(2px)}
.corner{position:absolute;font-family:var(--ff-mono);font-size:10px;letter-spacing:.08em;color:var(--muted);background:var(--ground);padding:0 8px}
.c-tl{top:-7px;left:20px}.c-tr{top:-7px;right:20px}.c-bl{bottom:-7px;left:20px}.c-br{bottom:-7px;right:20px}
h1{font-family:var(--ff-display);font-weight:800;font-size:clamp(34px,5.6vw,62px);line-height:1.06;letter-spacing:-.018em;margin:0;text-wrap:balance}
h1 em,h2 em{font-family:var(--ff-serif);font-style:italic;font-weight:400;letter-spacing:0;color:var(--gold)}
.lede{max-width:62ch;font-size:18px;color:var(--muted);margin:24px 0 0}
.lede strong{color:var(--ink);font-weight:600}

.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:36px}
.btn{font-family:var(--ff-mono);font-size:13px;letter-spacing:.06em;text-decoration:none;padding:13px 22px;
  border:1px solid var(--line);color:var(--ink);background:color-mix(in srgb,var(--ground) 40%,transparent);
  transition:background .15s,color .15s,border-color .15s;display:inline-block;cursor:pointer}
.btn:hover{border-color:var(--gold);color:var(--gold)}
.btn.primary{background:var(--gold);border-color:var(--gold);color:#141109;font-weight:500}
.btn.primary:hover{background:var(--ink);border-color:var(--ink);color:var(--ground)}

.verify{display:flex;flex-wrap:wrap;border:1px solid var(--line);border-left:none;margin-top:56px}
.verify div{flex:1 1 150px;border-left:1px solid var(--line);padding:16px 20px;background:color-mix(in srgb,var(--ground-2) 80%,transparent)}
.verify b{display:block;font-family:var(--ff-mono);font-size:22px;font-weight:500;font-variant-numeric:tabular-nums;letter-spacing:-.01em;color:var(--gold-text)}
.verify span{font-family:var(--ff-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* sections */
section{padding:72px 0;border-top:1px solid var(--line-soft)}
h2{font-family:var(--ff-display);font-weight:700;font-size:clamp(24px,3.2vw,34px);letter-spacing:-.012em;margin:0 0 20px;text-wrap:balance}
h3{font-family:var(--ff-display);font-weight:700;font-size:17px;margin:0 0 10px}
.prose{max-width:66ch;color:var(--muted)}
.prose strong{color:var(--ink)}
.prose a,.foot-note a,td a{color:var(--gold-text)}

/* card grids */
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:36px}
.cell{background:var(--card);padding:26px 24px}
.cell p{margin:0;font-size:14px;color:var(--muted)}
.cell p+p{margin-top:10px}
.cell code,td code{font-family:var(--ff-mono);font-size:12.5px;color:var(--gold-text)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{font-family:var(--ff-mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);border:1px solid var(--line);padding:3px 9px}
.tag.gold{color:var(--gold-text);border-color:color-mix(in srgb,var(--gold) 40%,transparent)}

.pull{font-family:var(--ff-serif);font-style:italic;font-size:21px;color:var(--ink);margin:44px 0 0;max-width:52ch}
.pull .mark{color:var(--gold)}

/* tables */
.table-wrap{overflow-x:auto;border:1px solid var(--line);margin-top:32px}
table{border-collapse:collapse;width:100%;min-width:640px;font-size:14px}
caption{text-align:left;font-family:var(--ff-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);padding:14px 18px;border-bottom:1px solid var(--line);caption-side:top}
th{font-family:var(--ff-mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);text-align:left;font-weight:500;padding:12px 18px;border-bottom:1px solid var(--line)}
td{padding:13px 18px;border-bottom:1px solid var(--line-soft);vertical-align:top;color:var(--muted)}
td:first-child{color:var(--ink)}
tr:last-child td{border-bottom:none}
td.g{font-family:var(--ff-mono);font-variant-numeric:tabular-nums;white-space:nowrap;color:var(--gold-text)}
.status-chip{font-family:var(--ff-mono);font-size:11px;white-space:nowrap}
.s-ok{color:var(--ok)}.s-ok::before{content:"●";margin-right:6px;font-size:9px;vertical-align:1px}
.s-phase{color:var(--gold-text)}.s-phase::before{content:"◐";margin-right:6px;font-size:10px}
.s-plan{color:var(--muted)}.s-plan::before{content:"○";margin-right:6px;font-size:10px}
.phase-row td{background:var(--ground-2);font-family:var(--ff-mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* constraint / numbered list blocks */
.constraints{display:flex;flex-direction:column;gap:1px;background:var(--line-soft);border:1px solid var(--line-soft);margin-top:36px}
.constraint{background:var(--card);padding:26px 24px;display:grid;grid-template-columns:150px 1fr;gap:20px}
.constraint .num{font-family:var(--ff-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-text)}
.constraint p{margin:0 0 10px;font-size:14.5px;color:var(--muted)}
.constraint .mitigation{color:var(--ink);font-size:14px;border-left:2px solid var(--teal);padding-left:14px;margin-top:12px}
@media(max-width:640px){.constraint{grid-template-columns:1fr;gap:8px}}

/* status cards */
.split{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px;margin-top:36px}
.status-card{border:1px solid var(--line);padding:28px;background:color-mix(in srgb,var(--card) 70%,transparent)}
.status-card h3{font-family:var(--ff-mono);font-size:11px;letter-spacing:.16em;text-transform:uppercase;margin:0 0 6px}
.status-card .phase-name{font-family:var(--ff-display);font-weight:700;font-size:17px;margin:0 0 14px;color:var(--ink)}
.status-card.built h3{color:var(--ok)}
.status-card.active h3{color:var(--gold-text)}
.status-card.plan h3{color:var(--muted)}
.status-card p,.status-card li{font-size:14.5px;color:var(--muted)}
.status-card ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px}
.status-card li{padding-left:20px;position:relative}
.status-card li::before{content:"—";position:absolute;left:0;color:var(--gold-text);font-family:var(--ff-mono)}
.honesty{margin-top:28px;font-family:var(--ff-serif);font-style:italic;font-size:19px;color:var(--ink);max-width:56ch}

/* proof terminal */
.proof-term{border:1px solid var(--line);background:color-mix(in srgb,var(--ground-2) 88%,transparent);font-family:var(--ff-mono);font-size:13px;line-height:1.9;padding:26px 28px;margin-top:36px;overflow-x:auto}
.proof-term .k{color:var(--muted)}
.proof-term .v{color:var(--ink)}
.proof-term .c{color:var(--teal)}
.proof-term .okline{color:var(--ok)}

/* forms */
form{margin-top:36px;max-width:640px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
@media(max-width:560px){.form-row{grid-template-columns:1fr}}
.form-group{margin-bottom:18px}
label{display:block;font-family:var(--ff-mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-bottom:8px}
input,select,textarea{width:100%;background:var(--ground-2);border:1px solid var(--line);color:var(--ink);padding:12px 14px;font:400 15px/1.4 system-ui,sans-serif}
input::placeholder,textarea::placeholder{color:color-mix(in srgb,var(--muted) 60%,transparent)}
textarea{min-height:120px;resize:vertical}
.form-note{font-size:13px;color:var(--muted);margin-top:14px}

/* cta + footer */
.cta-final{padding:88px 0 104px;background:color-mix(in srgb,var(--ground) 60%,transparent)}
.cta-final h2{font-size:clamp(28px,4vw,44px);font-weight:800}
.cta-final p{color:var(--muted);max-width:56ch;margin:0 0 32px}
footer{border-top:1px solid var(--line-soft);padding:28px 0 48px}
footer .wrap{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--ff-mono);font-size:11px;letter-spacing:.06em;color:var(--muted)}
footer a{color:var(--muted)}
footer a:hover{color:var(--ink)}

/* legal page */
.legal{max-width:70ch;padding:56px 0 80px}
.legal h1{font-size:clamp(30px,4vw,44px);margin-bottom:8px}
.legal h2{font-size:20px;margin-top:44px}
.legal p{color:var(--muted)}
.legal .meta{font-family:var(--ff-mono);font-size:12px;color:var(--muted)}
.fact-list{border:1px solid var(--line);padding:22px 26px;margin:28px 0;display:flex;flex-direction:column;gap:8px}
.fact-list li{list-style:none;font-size:14.5px;color:var(--ink)}
.fact-list li::before{content:"✓ ";color:var(--ok);font-family:var(--ff-mono)}

/* motion */
@media (prefers-reduced-motion: no-preference){
  .hero .eyebrow,.hero .envelope,.hero .lede,.hero .cta-row,.hero .verify{opacity:0;transform:translateY(10px);animation:rise .7s ease-out forwards}
  .hero .envelope{animation-delay:.1s}.hero .lede{animation-delay:.2s}
  .hero .cta-row{animation-delay:.3s}.hero .verify{animation-delay:.42s}
  @keyframes rise{to{opacity:1;transform:none}}
}
@media(max-width:560px){.envelope{padding:36px 22px 44px}.c-tr,.c-br{display:none}}