/* Pocket Harness landing — design tokens + components. No framework. */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/inter-latin-400.woff2') format('woff2')}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url('assets/fonts/inter-latin-700.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('assets/fonts/jetbrains-mono-latin-400.woff2') format('woff2')}

:root{
  --bg:#000000; --surface:#0E0E10; --surface-2:#17171A;
  --ink:#F4F6F8; --muted:#A7B0BE; --faint:#9BA1AB;
  --accent:#3B82F6; --accent-fill:#2563EB; --accent-fill-hover:#1D4ED8;
  --accent-fill-active:#1E40AF; --accent-text:#60A5FA; --accent-ink:#FFFFFF;
  --accent-soft:rgba(59,130,246,.12);
  --line:rgba(255,255,255,.18); --line-strong:rgba(255,255,255,.36);
  --success:#34D399; --warning:#FBBF24;
  --sans:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --radius:16px; --maxw:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased}
::selection{background:rgba(59,130,246,.45);color:#fff}
a{color:var(--accent-text);text-decoration:none;text-underline-offset:3px}
a:hover{color:#93C5FD;text-decoration:underline}
:focus-visible{outline:3px solid var(--accent-text);outline-offset:3px;border-radius:6px}
.btn-primary:focus-visible{outline-color:#fff}
#main:focus{outline:none}
#main:focus-visible{outline:3px solid var(--accent-text);outline-offset:3px}
code,kbd{font-family:var(--mono);font-size:.86em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0;border-top:1px solid var(--line)}
.eyebrow{font-family:var(--mono);font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-text);margin:0 0 14px}
h1,h2,h3{line-height:1.15;letter-spacing:-.02em;margin:0 0 16px}
h2{font-size:clamp(26px,3.4vw,36px);font-weight:700}
h3{font-size:19px;font-weight:600}
.lede{color:var(--muted);font-size:17.5px;max-width:640px;margin:0 0 32px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip-link{position:absolute;left:16px;top:-48px;z-index:200;background:var(--accent-fill);color:var(--accent-ink);padding:10px 16px;border-radius:8px;font-weight:600;transition:top .15s}
.skip-link:focus{top:12px;text-decoration:none}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:11px 22px;border-radius:10px;font-weight:600;font-size:15px;border:1px solid transparent;cursor:pointer;transition:transform .15s ease-out,background .15s,border-color .15s}
.btn:hover{text-decoration:none;transform:translateY(-1px)}
.btn-primary{background:var(--accent-fill);color:var(--accent-ink)}
.btn-primary:hover{background:var(--accent-fill-hover)}
.btn-primary:active{background:var(--accent-fill-active);transform:none}
.btn-primary:disabled,.btn-primary[aria-disabled="true"]{background:rgba(255,255,255,.08);color:var(--faint);cursor:not-allowed;transform:none}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-strong)}
.btn-ghost:hover{border-color:var(--accent-text);background:rgba(96,165,250,.08)}
.btn-ghost:active{background:rgba(96,165,250,.14)}
.btn svg{width:18px;height:18px;flex:none}

/* Nav */
.site-nav{position:sticky;top:0;z-index:100;background:rgba(0,0,0,.82);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:0 24px;min-height:68px;display:flex;align-items:center;gap:28px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:600;font-size:16.5px;min-height:44px}
.brand:hover{text-decoration:none}
.brand img{width:30px;height:30px;display:block}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto;list-style:none;padding:0}
.nav-links a{color:var(--muted);font-size:14.5px;font-weight:500;padding:8px 12px;border-radius:8px;min-height:44px;display:inline-flex;align-items:center}
.nav-links a:hover{color:var(--ink);text-decoration:none;background:rgba(255,255,255,.08)}
.nav-links a[aria-current="page"]{color:var(--ink);background:rgba(255,255,255,.10)}
.nav-links a.nav-github{display:inline-flex;align-items:center;gap:6px}
.nav-links a.nav-github svg{width:16px;height:16px}
.nav-cta{min-height:44px;padding:8px 18px;font-size:14px}
.nav-toggle{display:none;margin-left:auto;background:none;border:1px solid var(--line-strong);border-radius:8px;color:var(--ink);width:44px;height:44px;cursor:pointer;align-items:center;justify-content:center}
.nav-toggle svg{width:22px;height:22px}
.nav-toggle .icon-close{display:none}
.site-nav[data-open="true"] .nav-toggle .icon-open{display:none}
.site-nav[data-open="true"] .nav-toggle .icon-close{display:block}

/* Hero */
.hero{position:relative;overflow:hidden;border-top:none;padding:88px 0 96px;
  background-image:linear-gradient(rgba(59,130,246,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(59,130,246,.07) 1px,transparent 1px);
  background-size:48px 48px;background-position:center top}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;background:radial-gradient(ellipse 90% 70% at 50% 0%,transparent 40%,var(--bg) 92%)}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero-copy h1{font-size:clamp(38px,5.4vw,58px);font-weight:700;letter-spacing:-.03em}
.hero-copy h1 .accent{color:var(--accent-text)}
.hero-sub{color:var(--muted);font-size:18px;max-width:520px;margin:0 0 10px}
.attrib{font-size:14px;color:var(--faint);margin:0 0 28px}
.cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:28px}
.trust-chips{display:flex;gap:8px;flex-wrap:wrap;list-style:none;margin:0;padding:0}
.trust-chips li{font-family:var(--mono);font-size:12.5px;color:var(--muted);border:1px solid var(--line-strong);border-radius:999px;padding:6px 14px;background:rgba(255,255,255,.04)}
.repo-link{display:flex;align-items:flex-start;gap:8px;font-size:14px;color:var(--faint);margin:0 0 20px}
.repo-link svg{width:15px;height:15px;flex:none;margin-top:3px;color:var(--muted)}
.repo-link a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.repo-link a:hover{color:var(--ink)}

/* Device mockup */
.hero-visual{margin:0}
.phone{position:relative;width:min(320px,100%);margin:0 auto;background:#0A0A0C;border:1px solid var(--line-strong);border-radius:48px;padding:12px;box-shadow:0 0 0 1px rgba(96,165,250,.22),0 32px 80px -24px rgba(59,130,246,.28),0 8px 24px rgba(0,0,0,.5)}
.phone::before{content:"";position:absolute;right:-3px;top:120px;width:3px;height:64px;border-radius:2px;background:#26262A}
.phone::after{content:"";position:absolute;left:-3px;top:100px;width:3px;height:96px;border-radius:2px;background:#26262A}
.phone-screen{background:var(--bg);border:1px solid var(--line);border-radius:38px;overflow:hidden;min-height:600px;display:flex;flex-direction:column;font-size:12px}
.phone-screen.phone-shot{min-height:0}
.phone-screen.phone-shot img{width:100%;height:auto;display:block;aspect-ratio:540/1090;background:#000}
.mockup-caption{text-align:center;color:var(--faint);font-size:13px;margin:16px 0 0}

/* Split (is / is not) */
.split-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.card h3{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.card h3 svg{width:20px;height:20px}
.card ul{margin:0;padding:0;list-style:none;display:flex;flex-direction:column;gap:12px;color:var(--muted);font-size:15px}
.card li{display:flex;gap:10px}
.card li svg{width:17px;height:17px;flex:none;margin-top:3px}
.card.is h3 svg,.card.is li svg{color:var(--success)}
.card.is{border-top:2px solid rgba(52,211,153,.5)}
.card.is-not{border-top:2px solid rgba(251,191,36,.5)}
.card.is-not h3 svg,.card.is-not li svg{color:var(--warning)}
.card li strong{color:var(--ink);font-weight:600}

/* Steps */
.steps{list-style:none;margin:0 0 40px;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:step}
.steps li{position:relative;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:22px 20px 20px;counter-increment:step}
.steps li::before{content:"0" counter(step);font-family:var(--mono);font-size:12px;font-weight:600;color:var(--accent-text);letter-spacing:.1em}
.steps h3{font-size:15.5px;margin:8px 0 8px}
.steps p{margin:0;color:var(--muted);font-size:13.5px}
.diagram{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:32px 24px;margin:0}
.diagram img{width:100%;height:auto;display:block}
.diagram figcaption{text-align:center;color:var(--faint);font-size:13px;margin-top:16px}
.tour-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.tour-shot{margin:0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}
.tour-frame{background:#0A0A0C;border:1px solid var(--line-strong);border-radius:24px;padding:8px}
.tour-frame img{width:100%;height:auto;display:block;border-radius:16px;aspect-ratio:540/1090;background:#000}
.tour-shot figcaption{color:var(--muted);font-size:13.5px;line-height:1.55}
.tour-shot figcaption strong{color:var(--ink)}
.tour-shot figcaption code{color:var(--ink);background:rgba(255,255,255,.1);padding:1px 6px;border-radius:6px;font-size:12px}
.tour-note{color:var(--faint);font-size:13px;margin:16px 0 0;max-width:720px}
.tour-note code{font-size:12px}

/* Capabilities */
.cap-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.cap-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px;display:flex;flex-direction:column;gap:0}
.cap-icon{width:42px;height:42px;border-radius:12px;background:rgba(96,165,250,.10);border:1px solid rgba(96,165,250,.45);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.cap-icon svg{width:20px;height:20px;color:var(--accent-text)}
.cap-card h3{margin-bottom:8px}
.cap-card p{color:var(--muted);font-size:14.5px;margin:0 0 14px}
.cap-card .mech{margin-top:auto;font-family:var(--mono);font-size:12px;color:var(--faint);border-top:1px solid var(--line);padding-top:12px}
.cap-card .mech strong{color:var(--success);font-weight:500}

/* Tables */
.table-scroll{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table.spec{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
table.spec th,table.spec td{text-align:left;padding:14px 20px;border-bottom:1px solid var(--line);vertical-align:top}
table.spec tr:last-child th,table.spec tr:last-child td{border-bottom:none}
table.spec th{color:var(--ink);font-weight:600;white-space:nowrap;width:220px}
table.spec td{color:var(--muted)}
table.spec td code{color:var(--ink);background:rgba(255,255,255,.1);padding:2px 7px;border-radius:6px;font-size:12.8px;white-space:nowrap;border:1px solid rgba(255,255,255,.14)}
table.spec tr.risk th,table.spec tr.risk td{background:rgba(251,191,36,.07)}
table.spec .tag{display:inline-block;font-family:var(--mono);font-size:11.5px;font-weight:500;padding:3px 10px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted);margin-right:6px;background:rgba(255,255,255,.04)}
table.spec .tag.ok{color:var(--success);border-color:rgba(52,211,153,.55);background:rgba(52,211,153,.10)}
table.spec .tag.warn{color:var(--warning);border-color:rgba(251,191,36,.55);background:rgba(251,191,36,.10)}

/* Quality gates */
.gate-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.gate{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px 22px}
.gate strong{display:block;font-size:34px;font-weight:700;letter-spacing:-.02em;color:var(--ink);font-variant-numeric:tabular-nums}
.gate strong .unit{font-size:16px;color:var(--faint);font-weight:500;font-variant-numeric:tabular-nums}
.gate h3{font-size:14.5px;margin:6px 0 8px}
.gate p{margin:0;color:var(--faint);font-size:13px}
.gate p code{color:var(--muted)}

/* Roadmap */
.road-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.road{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.road.now{border-color:rgba(52,211,153,.55)}
.road h3{display:flex;align-items:center;gap:10px}
.road .phase{font-family:var(--mono);font-size:11.5px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;padding:4px 12px;border-radius:999px;border:1px solid var(--line-strong);color:var(--muted)}
.road.now .phase{color:var(--success);border-color:rgba(52,211,153,.55);background:rgba(52,211,153,.08)}
.road ul{margin:14px 0 0;padding:0;list-style:none;display:flex;flex-direction:column;gap:10px;color:var(--muted);font-size:14.5px}
.road li{display:flex;gap:8px}
.road li svg{width:16px;height:16px;flex:none;margin-top:4px;color:var(--faint)}
.road.now li svg{color:var(--success)}

/* FAQ */
.faq-list{display:flex;flex-direction:column;gap:10px;max-width:800px}
details.faq{background:var(--surface);border:1px solid var(--line);border-radius:12px;overflow:hidden}
details.faq summary{display:flex;align-items:center;gap:12px;padding:18px 20px;cursor:pointer;font-weight:600;font-size:15.5px;list-style:none;min-height:44px}
details.faq summary::-webkit-details-marker{display:none}
details.faq summary svg{width:18px;height:18px;flex:none;margin-left:auto;color:var(--faint);transition:transform .18s ease-out}
details.faq summary:hover{background:rgba(255,255,255,.03)}
details.faq[open] summary svg{transform:rotate(180deg);color:var(--accent-text)}
details.faq .faq-body{padding:0 20px 20px;color:var(--muted);font-size:15px;max-width:68ch}
details.faq .faq-body p{margin:0 0 10px}
details.faq .faq-body p:last-child{margin-bottom:0}

/* Contact */
.contact-card{background:var(--surface);border:1px solid rgba(96,165,250,.60);border-radius:20px;padding:48px;text-align:center;position:relative;overflow:hidden}
.contact-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--accent-fill)}
.contact-card h2{margin-bottom:12px}
.contact-card>p{color:var(--muted);max-width:520px;margin:0 auto 28px}
.email-row{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.email-pill{display:inline-flex;align-items:center;gap:10px;font-family:var(--mono);font-size:15px;color:var(--ink);background:rgba(0,0,0,.6);border:1px solid var(--line-strong);border-radius:12px;padding:12px 18px}
.email-pill svg{width:17px;height:17px;color:var(--accent-text)}
.copy-btn{display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:10px;background:transparent;border:1px solid var(--line-strong);color:var(--ink);font-family:var(--sans);font-size:14px;font-weight:600;cursor:pointer}
.copy-btn:hover{border-color:var(--accent-text);background:rgba(96,165,250,.08)}
.copy-btn svg{width:16px;height:16px}
.copy-note{min-height:22px;font-size:13.5px;color:var(--success);margin:0 0 8px}
.contact-alt{margin:18px 0 0;color:var(--faint);font-size:14px}
.contact-alt a{color:var(--muted);text-decoration:underline;text-underline-offset:3px}
.contact-alt a:hover{color:var(--ink)}

/* Footer */
.site-footer{border-top:1px solid var(--line);padding:56px 0 32px;background:#050506}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;margin-bottom:40px}
.footer-brand p{color:var(--faint);font-size:14px;max-width:320px;margin:12px 0 0}
.footer-col h3,.footer-col .footer-h{font-size:13px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin:0 0 14px}
.footer-col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:14.5px}
.footer-col a{color:var(--muted);display:inline-block;padding:6px 0;min-height:24px}
.footer-col a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:3px}
.footer-base{border-top:1px solid var(--line);padding-top:24px;display:flex;flex-direction:column;gap:8px;color:var(--faint);font-size:13px}
.footer-base p{margin:0}

/* Reveal */
.reveal{opacity:0;transform:translateY(12px);transition:opacity .5s ease-out,transform .5s ease-out}
.reveal.visible{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .reveal{opacity:1;transform:none}
  .btn:hover{transform:none}
}

/* Responsive */
@media (max-width:1020px){
  .steps{grid-template-columns:repeat(2,1fr)}
  .cap-grid{grid-template-columns:repeat(2,1fr)}
  .gate-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr;gap:48px}
  .hero{padding:64px 0}
  .hero-visual{order:2}
  .road-grid{grid-template-columns:1fr}
  .split-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
  .tour-grid{grid-template-columns:1fr;max-width:360px;margin:0 auto}
}
@media (max-width:860px){
  .nav-links{position:absolute;top:68px;left:0;right:0;flex-direction:column;align-items:stretch;gap:2px;background:#0A0A0C;border-bottom:1px solid var(--line);padding:12px 24px 16px;margin:0;display:none}
  .site-nav[data-open="true"] .nav-links{display:flex}
  .nav-links a{display:block;padding:12px;font-size:15px}
  .nav-cta{display:none}
  .nav-toggle{display:inline-flex}
  .no-js .nav-toggle{display:none}
  .no-js .nav-links{position:static;display:flex;flex-direction:row;flex-wrap:wrap;border:none;background:none;padding:0}
}
@media (max-width:640px){
  .section{padding:64px 0}
  .cap-grid,.gate-grid,.steps{grid-template-columns:1fr}
  .contact-card{padding:36px 24px}
  .email-pill{font-size:13px}
  table.spec{min-width:0}
  table.spec th{display:block;width:auto;padding-bottom:0;border-bottom:none;color:var(--faint);font-size:12.5px;text-transform:uppercase;letter-spacing:.06em}
  table.spec td{display:block;padding-top:6px}
  table.spec tr{border-bottom:1px solid var(--line)}
  table.spec tr:last-child{border-bottom:none}
  .footer-grid{grid-template-columns:1fr}
}
@media print{
  .site-nav,.hero-visual,.cta-row,.copy-btn,.nav-toggle{display:none!important}
  *,*::before,*::after{background:transparent!important;box-shadow:none!important;text-shadow:none!important}
  body{background:#fff!important;color:#000!important;font-size:12pt}
  .section{padding:24px 0;border-color:#ccc!important}
  .card,.cap-card,.gate,.road,.contact-card,.table-scroll,.steps li,details.faq,.email-pill,.site-footer,.diagram,.tour-shot{background:#fff!important;border-color:#ccc!important;color:#000!important}
  .lede,.card ul,.cap-card p,.steps p,.road ul,table.spec td,.gate p,.contact-card>p,.diagram figcaption,.mockup-caption,.footer-brand p,.footer-base,.attrib,.tour-shot figcaption,.tour-note{color:#333!important}
  h1,h2,h3,.card li strong{color:#000!important}
  a{color:#1D4ED8!important;text-decoration:underline}
  .reveal{opacity:1!important;transform:none!important}
  details.faq{break-inside:avoid}
}