:root{
  --brand:#0f766e;
  --brand-dark:#115e59;
  --brand2:#f59e0b;
  --ink:#1c2430;
  --muted:#64748b;
  --bg:#f4faf9;
  --surface:#ffffff;
  --surface2:#e9f5f2;
  --line:rgba(15,118,110,.2);
  --line-soft:rgba(15,118,110,.09);
  --radius:14px;
  --ok:#15803d;
  --warn:#b45309;
  --bad:#b91c1c;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Inter,Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:1.05rem;
  line-height:1.6;
}
.wrap{max-width:960px;margin:0 auto;padding:0 1.25rem}
a{color:var(--brand-dark)}
[hidden]{display:none!important}

/* header */
.topbar{background:var(--brand);color:#fff}
.topbar-in{display:flex;justify-content:space-between;align-items:center;padding:.9rem 1.25rem}
.brandmark{font-weight:750;font-size:1.25rem;letter-spacing:-.02em}
.brandmark span{color:#fde9c0}
.toplink{color:#fff;text-decoration:none;font-size:.92rem;opacity:.92}
.toplink:hover{text-decoration:underline;opacity:1}

/* hero */
.hero{padding:2.6rem 0 1.2rem}
.hero h1{
  font-size:clamp(2rem,4.6vw,3.1rem);
  line-height:1.12;
  letter-spacing:-.03em;
  font-weight:750;
  margin:0 0 1rem;
  text-wrap:balance;
}
.lede{font-size:1.14rem;max-width:46rem;text-wrap:pretty;margin:0}
.guardrail{
  margin:1.1rem 0 0;max-width:46rem;font-size:.95rem;color:var(--muted);
  border-left:4px solid var(--brand2);padding:.2rem 0 .2rem .8rem;text-wrap:pretty;
}
.endcard .guardrail{margin-top:1.2rem}
.pick-title{font-size:1.35rem;letter-spacing:-.02em;margin:1.2rem 0 .4rem}
.hint{color:var(--muted);font-size:.94rem;margin:1.1rem 0 0;max-width:46rem;text-wrap:pretty}

/* cards */
.card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:1.6rem clamp(1.1rem,3vw,2rem);
  margin:1.4rem 0;
  box-shadow:0 1px 2px rgba(15,118,110,.05),0 8px 24px rgba(15,118,110,.05);
}
.card.flat{margin-top:1.6rem}
.card h2{font-size:clamp(1.3rem,2.4vw,1.6rem);letter-spacing:-.02em;margin:.2rem 0 .6rem;text-wrap:balance}
.card h3{font-size:1.08rem;margin:.2rem 0 .5rem}
.prose ul{padding-left:1.2rem;margin:.4rem 0 .4rem}
.prose li{margin-bottom:.55rem;text-wrap:pretty}
.calc-row{margin-top:1.4rem;display:flex;gap:.6rem;flex-wrap:wrap}

/* buttons */
.btn{
  appearance:none;font:inherit;font-size:.95rem;font-weight:650;cursor:pointer;
  padding:.6rem 1.15rem;border-radius:999px;border:1px solid var(--brand);
  background:#fff;color:var(--brand-dark);
}
.btn:hover{background:color-mix(in srgb,var(--brand) 7%,#fff)}
.btn.primary{background:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-dark)}
.btn:disabled{opacity:.55;cursor:wait}

/* journey picker */
.journey-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:.6rem}
.journey-card{margin:0;display:flex;flex-direction:column}
.journey-diff{
  font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-dark);margin:0 0 .3rem;
}
.journey-card h3{font-size:1.25rem;letter-spacing:-.02em;margin:0 0 .5rem}
.journey-blurb{color:var(--muted);font-size:.96rem;margin:0 0 .8rem;text-wrap:pretty;flex:1}
.journey-meta{font-weight:700;font-size:.9rem;margin:0 0 .9rem}
.journey-card .btn{align-self:flex-start}

/* HUD */
.hud{
  position:sticky;top:0;z-index:20;background:var(--bg);
  padding:.9rem 0 .7rem;border-bottom:1px solid var(--line-soft);
}
.hud-row{display:flex;justify-content:space-between;align-items:baseline;gap:1rem}
.hud-journey{font-weight:750;letter-spacing:-.01em}
.hud-stop{color:var(--muted);font-size:.92rem;font-weight:600;white-space:nowrap}
.hud-health{display:flex;align-items:center;gap:.7rem;margin-top:.45rem}
.hud-health-label{font-size:.82rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--muted)}
.healthbar{
  flex:1;height:12px;border-radius:999px;background:var(--surface2);
  border:1px solid var(--line-soft);overflow:hidden;
}
.healthbar-fill{
  height:100%;width:100%;border-radius:999px;background:var(--ok);
  transition:width .5s ease;
}
.healthbar-fill.mid{background:var(--brand2)}
.healthbar-fill.low{background:var(--bad)}
.hud-health-num{font-weight:800;font-size:1.05rem;min-width:2.2rem;text-align:right}

/* scenario and choices */
.stop-kicker{
  font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;
  color:var(--brand-dark);margin:0 0 .2rem;
}
.situation{font-size:1.08rem;text-wrap:pretty;margin:.4rem 0 1.1rem}
.choices{display:flex;flex-direction:column;gap:.6rem}
.choice{
  appearance:none;font:inherit;text-align:left;cursor:pointer;
  padding:.85rem 1rem;border-radius:12px;border:1px solid var(--line);
  background:var(--surface);color:var(--ink);line-height:1.5;text-wrap:pretty;
}
.choice:hover:not(:disabled){background:var(--surface2);border-color:var(--brand)}
.choice:disabled{opacity:.55;cursor:default}
.choice.picked{opacity:1;border-color:var(--brand);background:var(--surface2);font-weight:600}

/* outcome */
.verdict{
  display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.03em;
  border-radius:999px;padding:.22rem .7rem;white-space:nowrap;
}
.verdict.safe{background:#dcfce7;color:#166534;border:1px solid #86efac}
.verdict.risky{background:#fef3c7;color:#92400e;border:1px solid #fcd34d}
.verdict.fatal{background:#fee2e2;color:#991b1b;border:1px solid #fca5a5}
.outcome-text{font-size:1.05rem;text-wrap:pretty;margin:.7rem 0 0}
.principle{
  margin:1.1rem 0 0;padding:.8rem 1rem;border:1px solid var(--line-soft);
  border-left:6px solid var(--brand2);border-radius:10px;background:var(--surface2);
}
.principle h3{margin-top:0}
.principle p{margin:0;font-size:.97rem;text-wrap:pretty}

/* end card */
.end-health{font-size:1.1rem;margin:.3rem 0}
.end-grade{font-size:1.15rem;margin:.2rem 0 .4rem}
.end-stops-title{margin-top:1.4rem}
.line-row{
  display:flex;justify-content:space-between;align-items:center;gap:1rem;
  padding:.65rem 0;border-top:1px solid var(--line-soft);
}
.line-main{display:flex;flex-direction:column}
.line-label{font-weight:650}

/* footer */
footer{border-top:1px solid var(--line);margin-top:2rem}
.foot-in{padding:1.4rem 1.25rem 2rem;color:var(--muted);font-size:.92rem}

/* email gate modal (PicConvert pattern) */
.pc-modal-backdrop{
  position:fixed;inset:0;background:rgba(8,40,36,.55);z-index:100;
  display:flex;align-items:center;justify-content:center;padding:1rem;
}
.pc-modal-backdrop[hidden]{display:none}
.pc-modal{
  background:var(--surface);color:var(--ink);border-radius:16px;max-width:430px;width:100%;
  padding:1.7rem 1.6rem 1.4rem;position:relative;box-shadow:0 24px 60px rgba(0,0,0,.3);
}
.pc-modal h2{margin:0 2rem .6rem 0;font-size:1.35rem;letter-spacing:-.02em}
.pc-modal p{margin:0 0 1rem;font-size:.98rem}
.pc-modal-close{
  position:absolute;top:.6rem;right:.8rem;border:0;background:transparent;
  font-size:1.6rem;line-height:1;cursor:pointer;color:var(--muted);
}
.pc-modal form{display:flex;gap:.55rem;flex-wrap:wrap}
.pc-modal input[type=email]{
  flex:1 1 200px;font:inherit;font-size:1rem;padding:.62rem .8rem;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink);
}
.pc-modal-msg{font-size:.92rem;margin:.7rem 0 0;min-height:1.2em}
.pc-modal-msg.err{color:#b91c1c}
.pc-modal-msg.ok{color:#15803d}
.pc-modal-note{color:var(--muted);font-size:.85rem;margin:.8rem 0 0}

@media (max-width:820px){
  .journey-grid{grid-template-columns:1fr}
}
@media (max-width:560px){
  .card{padding:1.2rem 1rem}
}

@media print{
  body{background:#fff;color:#000;font-size:11pt}
  .topbar,#screen-start,#screen-game,footer,.pc-modal-backdrop,.calc-row{display:none!important}
  #screen-end{display:block!important}
  .wrap{max-width:none;padding:0}
  .card{border:0;box-shadow:none;padding:0;margin:0}
  .principle{background:#fff;border-color:#999}
  a{color:#000;text-decoration:none}
}

@media (prefers-color-scheme: dark){
  :root{
    --ink:#ecf6f3;--muted:#94a3b8;--bg:#081512;--surface:#10231f;--surface2:#16302a;
    --line:rgba(45,212,191,.16);--line-soft:rgba(45,212,191,.07);
  }
  .btn{background:transparent;color:#5eead4}
  .btn:hover{background:color-mix(in srgb,var(--brand2) 12%,transparent)}
  .btn.primary{background:var(--brand);color:#fff}
  .choice{background:var(--surface);color:var(--ink)}
  .choice.picked{background:var(--surface2)}
  a{color:#5eead4}
  .journey-diff,.stop-kicker{color:#5eead4}
  .pc-modal input[type=email]{background:#16302a;color:var(--ink)}
  .verdict.safe{background:#14532d;color:#bbf7d0;border-color:#166534}
  .verdict.risky{background:#713f12;color:#fde68a;border-color:#92400e}
  .verdict.fatal{background:#7f1d1d;color:#fecaca;border-color:#991b1b}
}