:root{
  --bg:#f6f5f1; --surface:#ffffff; --ink:#0e1b24; --ink-2:#455866;
  --line:#e3e0d6; --muted:#7a8590; --brand:#134e5e; --brand-2:#1a7a8a;
  --accent:#ffb347; --accent-2:#e2953a; --danger:#a4413a;
  --radius:14px; --radius-sm:10px; --shadow:0 1px 2px rgba(15,30,40,.05), 0 8px 24px rgba(15,30,40,.06);
  --font:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--ink);line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--brand-2);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.15;letter-spacing:-0.01em;margin:0 0 .6rem;color:var(--ink)}
h1{font-size:clamp(2.2rem,5.5vw,3.4rem);font-weight:800}
h2{font-size:clamp(1.6rem,3.2vw,2.2rem);font-weight:700}
h3{font-size:1.1rem;font-weight:700}
p{margin:0 0 .8rem;color:var(--ink-2)}
code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:.92em;background:rgba(19,78,94,.08);color:var(--brand);padding:.05em .35em;border-radius:.35em}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--accent-2);margin:0 0 .8rem}
.lead{font-size:1.08rem;color:var(--ink-2);max-width:42rem}
.muted{color:var(--muted)}
.small{font-size:.85rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font:inherit;font-weight:600;min-height:42px;padding:.65rem 1.05rem;border-radius:999px;border:1px solid transparent;cursor:pointer;transition:transform .08s ease,background .15s ease,border-color .15s ease,color .15s ease}
.btn:active{transform:translateY(1px)}
.btn:focus-visible{outline:3px solid var(--accent);outline-offset:3px}
.btn-primary{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-primary:hover{background:var(--brand-2);border-color:var(--brand-2)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{background:#fff;border-color:#cfd6dc}
.btn-link{background:transparent;color:var(--brand-2);padding:.5rem .25rem;min-height:0}
.btn-lg{padding:.85rem 1.4rem;font-size:1.02rem;min-height:48px}

/* Nav */
.nav{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;padding:.9rem 5%;background:rgba(246,245,241,.85);backdrop-filter:saturate(160%) blur(8px);border-bottom:1px solid var(--line)}
.brand{display:inline-flex;align-items:center;gap:.55rem;color:var(--ink);font-weight:600}
.brand:hover{text-decoration:none}
.brand-mark{width:22px;height:22px;border-radius:6px;background:linear-gradient(135deg,var(--brand),var(--brand-2));position:relative}
.brand-mark::after{content:"";position:absolute;inset:.45rem .45rem auto auto;width:6px;height:6px;border-radius:50%;background:var(--accent)}
.brand-name{font-weight:600;color:var(--ink)}
.brand-name strong{color:var(--brand-2)}
.nav-actions{display:flex;gap:.5rem;align-items:center}

/* Hero */
.hero{padding:3.5rem 5% 4.5rem}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:3rem;align-items:center;max-width:72rem;margin:0 auto}
.hero-copy .lead{margin:1.2rem 0 1.8rem}
.hero-actions{display:flex;gap:.8rem;align-items:center;flex-wrap:wrap}
.status{margin-top:1rem;color:var(--danger);min-height:1.4em;font-weight:500}

.hero-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.1rem;min-height:280px;position:relative}
.card-head{display:flex;align-items:center;gap:.4rem;padding-bottom:.8rem;border-bottom:1px solid var(--line);margin-bottom:.8rem}
.card-head .dot{width:9px;height:9px;border-radius:50%;background:#d6dadc}
.card-head .dot:nth-child(1){background:#ed6a5e}
.card-head .dot:nth-child(2){background:#f5bf4f}
.card-head .dot:nth-child(3){background:#62c554}
.card-title{margin-left:.6rem;font-family:ui-monospace,monospace;font-size:.78rem;color:var(--muted)}
.task-mock{list-style:none;padding:0;margin:0;display:grid;gap:.7rem}
.task-line{display:flex;align-items:center;gap:.8rem;padding:.65rem .8rem;border-radius:var(--radius-sm);background:#fafaf6;border:1px solid #ece9dd}
.check{width:22px;height:22px;border-radius:50%;border:2px solid #cfd6dc;display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;font-weight:700;flex-shrink:0}
.check.done{background:var(--brand-2);border-color:var(--brand-2)}
.task-text{color:var(--ink);overflow-wrap:anywhere}
.task-text.done{color:var(--muted);text-decoration:line-through}
.card-foot{display:flex;justify-content:space-between;margin-top:.9rem;padding-top:.8rem;border-top:1px dashed var(--line);font-family:ui-monospace,monospace;font-size:.74rem;color:var(--muted)}

/* Sections */
.section{padding:4rem 5%}
.section-alt{background:linear-gradient(180deg,transparent,#eeeae0 35%,#eeeae0)}
.section-head{max-width:48rem;margin:0 auto 2.25rem;text-align:center}
.section-head .eyebrow{margin-bottom:.4rem}
.grid-2,.grid-3,.grid-4{display:grid;gap:1.2rem;max-width:72rem;margin:0 auto}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}

/* Feature cards */
.feature,.op,.panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;box-shadow:var(--shadow);transition:transform .15s ease,box-shadow .15s ease}
.feature:hover,.op:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(15,30,40,.06),0 16px 32px rgba(15,30,40,.08)}
.feature-icon{font-size:1.6rem;margin-bottom:.4rem}
.feature h3{margin-bottom:.4rem}
.feature p{font-size:.95rem}

/* Ops block */
.op{display:flex;flex-direction:column;gap:.4rem}
.op-name{font-family:ui-monospace,monospace;font-weight:700;color:var(--brand);background:rgba(19,78,94,.08);padding:.4rem .6rem;border-radius:.4rem;align-self:flex-start;margin:0 0 .3rem}
.op-args{font-family:ui-monospace,monospace;font-size:.85rem;color:var(--muted);margin:0 0 .2rem}
.op-body{font-size:.95rem;margin:0}
.req{display:inline-block;font-size:.7rem;background:var(--accent);color:#3e2a08;padding:.1rem .45rem;border-radius:999px;margin-left:.4rem}

/* CTA */
.cta{padding:4rem 5%}
.cta-card{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;border-radius:20px;padding:2.5rem;text-align:center;box-shadow:var(--shadow);max-width:60rem;margin:0 auto}
.cta-card h2{color:#fff}
.cta-card p{color:rgba(255,255,255,.85);max-width:32rem;margin:0 auto 1.4rem}
.cta-card .btn-primary{background:var(--accent);color:#3e2a08;border-color:var(--accent)}
.cta-card .btn-primary:hover{background:#ffc36b;border-color:#ffc36b}

/* Workspace */
.workspace{max-width:72rem;margin:0 auto}
.panel-info{background:#faf7ec;border-color:#e6dcc1}
.kv{list-style:none;padding:0;margin:.6rem 0;display:grid;gap:.4rem}
.kv li{display:flex;justify-content:space-between;align-items:center;padding:.5rem .8rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);font-size:.92rem}
.kv code{background:transparent;color:var(--brand);padding:0}
.kv span{color:var(--muted)}
.form{display:grid;gap:.6rem;margin:.8rem 0 1rem}
.form label{font-weight:600;font-size:.92rem;color:var(--ink)}
.form input{font:inherit;width:100%;padding:.7rem .9rem;border-radius:var(--radius-sm);border:1px solid var(--line);background:#fff;color:var(--ink);min-height:44px}
.form input:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-color:var(--brand-2)}
.notes{list-style:none;padding:0;margin:0;display:grid;gap:.6rem}
.notes li{display:flex;gap:.8rem;align-items:center;justify-content:space-between;padding:.8rem 1rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm)}
.notes span{overflow-wrap:anywhere;min-width:0}
.notes button{flex-shrink:0;min-height:36px;padding:.4rem .8rem;font-size:.85rem}
.empty{padding:1rem;background:#fff;border:1px dashed var(--line);border-radius:var(--radius-sm);color:var(--muted);text-align:center}
.hint{font-size:.85rem;color:var(--muted)}

/* Footer */
.footer{padding:2.5rem 5% 3rem;border-top:1px solid var(--line);background:#eceadf}
.footer-grid{max-width:72rem;margin:0 auto;display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:1.5rem;align-items:center}
.footer nav{display:flex;gap:1rem;justify-content:center}
.footer nav a{color:var(--ink-2);font-weight:500}
@media (max-width:720px){
  .footer-grid{grid-template-columns:1fr;text-align:center}
  .footer nav{justify-content:center;flex-wrap:wrap}
}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(8,18,26,.55);backdrop-filter:blur(4px);z-index:30;display:flex;align-items:flex-start;justify-content:center;padding:6vh 1rem;overflow:auto}
.modal-card{position:relative;background:var(--surface);border-radius:18px;padding:1.6rem;max-width:30rem;width:100%;box-shadow:0 20px 60px rgba(0,0,0,.3);border-top:4px solid var(--brand-2)}
.modal-close{position:absolute;top:.6rem;right:.8rem;background:transparent;border:0;font-size:1.5rem;line-height:1;color:var(--muted);cursor:pointer;min-height:36px;width:36px;border-radius:50%}
.modal-close:hover{background:#f0eee5;color:var(--ink)}
.seg{display:flex;gap:.4rem;padding:.3rem;background:#f0eee5;border-radius:999px;margin:1rem 0 1.2rem}
.seg button{flex:1;background:transparent;border:0;padding:.55rem .8rem;border-radius:999px;font:inherit;font-weight:600;color:var(--ink-2);cursor:pointer;min-height:38px}
.seg button[aria-pressed=true]{background:var(--surface);color:var(--brand);box-shadow:0 1px 2px rgba(0,0,0,.06)}
.recovery{margin-top:1rem;padding:1rem;background:#faf7ec;border:1px solid #e6dcc1;border-radius:var(--radius-sm)}
#recovery-code{display:block;font-family:ui-monospace,monospace;background:#fff;padding:.7rem .9rem;border:1px solid var(--line);border-radius:var(--radius-sm);overflow-wrap:anywhere;margin:.6rem 0}

/* Responsive */
@media (max-width:900px){
  .hero{padding-top:2rem;padding-bottom:2rem}
  .hero-grid{grid-template-columns:1fr;gap:2rem}
  .grid-3,.grid-4{grid-template-columns:repeat(2,1fr)}
  .section{padding:3rem 5%}
}
@media (max-width:560px){
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .nav{padding:.8rem 4%}
  .hero,.section,.cta{padding-left:4%;padding-right:4%}
  .footer{padding-left:4%;padding-right:4%}
  h1{font-size:2rem}
  .hero-card{order:-1}
}
@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important;transition:none!important}
}