:root{
  --paper:#F7F5F0;
  --paper-2:#EFEBE2;
  --ink:#12233A;
  --ink-soft:#2A3B50;
  --muted:#5B6570;
  --hair:#DAD6CC;
  --aqua:#17B0A6;
  --aqua-deep:#0E6E68;
  --signal:#E8963A;
  --white:#FFFFFF;
  --radius:14px;
  --maxw:1080px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* subtle paper grain */
.grain{
  position:fixed;inset:0;pointer-events:none;z-index:0;opacity:.5;
  background-image:radial-gradient(var(--hair) .5px,transparent .5px);
  background-size:4px 4px;
  mix-blend-mode:multiply;
}

/* ---------- HERO ---------- */
.hero{
  position:relative;z-index:1;
  max-width:var(--maxw);margin:0 auto;
  padding:88px 28px 56px;
}
.hero__inner{max-width:720px}
.hero__eyebrow{
  font-family:"IBM Plex Mono",monospace;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  color:var(--aqua-deep);display:flex;align-items:center;gap:.6em;margin-bottom:26px;
}
.hero__eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--aqua);
  box-shadow:0 0 0 4px rgba(23,176,166,.18)}
.hero__title{
  font-family:"Bricolage Grotesque",sans-serif;
  font-weight:800;line-height:.92;letter-spacing:-.03em;
  font-size:clamp(4rem,14vw,8.5rem);
  margin:0;color:var(--ink);display:flex;flex-direction:column;
}
.hero__title-sub{
  font-family:"IBM Plex Mono",monospace;
  font-weight:500;font-size:clamp(.8rem,2.4vw,1.05rem);
  letter-spacing:.28em;text-transform:uppercase;color:var(--muted);
  margin-top:14px;padding-left:.25em;
}
.hero__lede{
  font-size:clamp(1.08rem,2.2vw,1.32rem);
  color:var(--ink-soft);max-width:56ch;margin:30px 0 0;
}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:32px}
.tag{
  font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.04em;
  padding:7px 13px;border:1px solid var(--hair);border-radius:100px;
  background:var(--white);color:var(--ink-soft);
}
.tag--signal{border-color:var(--signal);color:#B5691A;background:#FBF0E1}

.hero__stamp{
  position:absolute;top:70px;right:34px;
  width:112px;height:112px;border-radius:50%;
  border:2px solid var(--signal);color:var(--signal);
  display:grid;place-items:center;transform:rotate(-13deg);
  font-family:"Bricolage Grotesque",sans-serif;opacity:.9;
}
.hero__stamp::before{
  content:"";position:absolute;inset:7px;border:1px dashed var(--signal);border-radius:50%;opacity:.6;
}
.hero__stamp span{font-weight:800;font-size:2.1rem;line-height:1}
.hero__stamp em{
  font-family:"IBM Plex Mono",monospace;font-style:normal;
  font-size:.6rem;letter-spacing:.22em;text-transform:uppercase;margin-top:2px;
}

/* ---------- REPORT / SECTIONS ---------- */
.report{position:relative;z-index:1;max-width:var(--maxw);margin:0 auto;padding:0 28px}
.block{
  display:grid;grid-template-columns:300px 1fr;gap:44px;
  padding:52px 0;border-top:1px solid var(--hair);
}
.block__rail{position:sticky;top:36px;align-self:start}
.block__num{
  font-family:"IBM Plex Mono",monospace;font-weight:600;
  font-size:.9rem;letter-spacing:.1em;color:var(--aqua-deep);margin-bottom:16px;
}
.block__title{
  font-family:"Bricolage Grotesque",sans-serif;font-weight:700;
  font-size:clamp(1.7rem,3.4vw,2.4rem);line-height:1.02;letter-spacing:-.02em;
  margin:0;color:var(--ink);
}
.block__sub{color:var(--muted);font-size:.96rem;margin:14px 0 0;max-width:34ch}

/* ---------- TOPICS (accordion) ---------- */
.topics{list-style:none;margin:0;padding:0;border-top:1px solid var(--hair)}
.topic{border-bottom:1px solid var(--hair)}
.topic__head{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:18px;
  padding:22px 4px;font:inherit;color:var(--ink);
  transition:padding-left .3s var(--ease);
}
.topic__head:hover{padding-left:10px}
.topic__idx{
  font-family:"IBM Plex Mono",monospace;font-size:.82rem;color:var(--muted);
  min-width:2ch;
}
.topic__title{
  font-family:"Bricolage Grotesque",sans-serif;font-weight:500;
  font-size:clamp(1.12rem,2vw,1.32rem);letter-spacing:-.01em;line-height:1.25;
}
.topic__mark{
  position:relative;width:34px;height:34px;flex:none;border-radius:50%;
  border:1px solid var(--hair);display:grid;place-items:center;
  transition:background .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.topic__mark svg{width:17px;height:17px;fill:none;stroke:var(--ink-soft);
  stroke-width:2;stroke-linecap:round;grid-area:1/1;
  transition:opacity .3s var(--ease),transform .3s var(--ease)}
.topic__mark .ic-check{opacity:0;transform:scale(.5);stroke:var(--white)}
.topic__head:hover .topic__mark{border-color:var(--aqua)}

/* open state */
.topic.is-open .topic__mark{background:var(--aqua);border-color:var(--aqua);transform:rotate(90deg)}
.topic.is-open .ic-plus{opacity:0;transform:rotate(45deg) scale(.5)}
.topic.is-open .ic-check{opacity:1;transform:scale(1)}
.topic.is-open .topic__title{color:var(--aqua-deep)}

.topic__panel{overflow:hidden}
.topic__inner{
  padding:2px 4px 30px 0;max-width:62ch;
  display:flex;flex-direction:column;gap:20px;
}
.prose{color:var(--ink-soft);font-size:1.03rem}
.prose p{margin:0 0 .8em}
.prose p:last-child{margin-bottom:0}
.prose strong{color:var(--ink);font-weight:600}

.topic__link{
  align-self:flex-start;display:inline-flex;align-items:center;gap:8px;
  font-family:"IBM Plex Mono",monospace;font-size:.82rem;letter-spacing:.03em;
  color:var(--aqua-deep);text-decoration:none;
  padding:9px 16px;border:1px solid var(--aqua);border-radius:100px;
  transition:background .25s var(--ease),color .25s var(--ease);
}
.topic__link svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.topic__link:hover{background:var(--aqua);color:var(--white)}

.media{margin:0}
.media img,.media video{width:100%;border-radius:var(--radius);border:1px solid var(--hair);display:block}
.media--embed{position:relative;aspect-ratio:16/9}
.media--embed iframe{width:100%;height:100%;border:1px solid var(--hair);border-radius:var(--radius)}
.media figcaption{
  font-family:"IBM Plex Mono",monospace;font-size:.74rem;color:var(--muted);
  margin-top:9px;letter-spacing:.02em;
}

/* ---------- CTA ---------- */
.cta{
  position:relative;z-index:1;background:var(--ink);color:var(--paper);
  margin-top:40px;
}
.cta__inner{max-width:var(--maxw);margin:0 auto;padding:84px 28px 56px;text-align:center}
.cta__kicker{
  font-family:"IBM Plex Mono",monospace;font-size:.76rem;letter-spacing:.16em;
  text-transform:uppercase;color:var(--aqua);margin:0 0 20px;
}
.cta__title{
  font-family:"Bricolage Grotesque",sans-serif;font-weight:700;
  font-size:clamp(1.9rem,4.5vw,3rem);line-height:1.05;letter-spacing:-.02em;
  margin:0 auto;max-width:18ch;
}
.cta__btn{
  display:inline-block;margin-top:34px;padding:16px 38px;
  background:var(--aqua);color:#04201E;text-decoration:none;border-radius:100px;
  font-family:"IBM Plex Mono",monospace;font-weight:600;font-size:.92rem;letter-spacing:.03em;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
}
.cta__btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px -10px rgba(23,176,166,.6)}
.cta__legal{
  text-align:center;color:rgba(247,245,240,.45);
  font-family:"IBM Plex Mono",monospace;font-size:.72rem;letter-spacing:.06em;
  padding:0 28px 40px;margin:0;
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:760px){
  .hero{padding:60px 22px 40px}
  .hero__stamp{width:82px;height:82px;top:52px;right:20px}
  .hero__stamp span{font-size:1.5rem}
  .block{grid-template-columns:1fr;gap:22px;padding:40px 0}
  .block__rail{position:static}
  .report{padding:0 22px}
}

/* ---------- A11Y ---------- */
.topic__head:focus-visible{outline:2px solid var(--aqua);outline-offset:3px;border-radius:8px}
.cta__btn:focus-visible,.topic__link:focus-visible{outline:2px solid var(--aqua);outline-offset:3px}

@media (prefers-reduced-motion:reduce){
  *{scroll-behavior:auto!important}
  .topic__panel{transition:none!important}
}