/* ---------- tokens ---------- */
:root{
  --bg:#0b0f14; --bg2:#0f1419; --panel:#151d26; --panel2:#1b242f;
  --ink:#e8eef3; --muted:#9fb0bf; --dim:#6f8294;
  --green:#2fbf71; --green-d:#1f8f54; --teal:#36c2c9; --amber:#f2b134; --red:#e5604d;
  --line:#243040; --line2:#2e3c4d;
  --maxw:1080px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{margin:0;background:var(--bg);color:var(--ink);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  line-height:1.72;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:var(--teal);text-decoration:none}
a:hover{text-decoration:underline}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.dim{color:var(--dim)}

/* ---------- progress ---------- */
.progress{position:fixed;top:0;left:0;right:0;height:3px;background:rgba(255,255,255,.05);z-index:60}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--green),var(--teal));transition:width .1s linear}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;background:rgba(11,15,20,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line)}
.nav-inner{max-width:var(--maxw);margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:16px}
.brand{font-weight:800;letter-spacing:-.2px;color:#fff;display:flex;align-items:center;gap:9px;font-size:15px}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(47,191,113,.16)}
.nav-links{list-style:none;display:flex;gap:4px;margin:0 0 0 auto;padding:0;flex-wrap:wrap}
.nav-links a{display:block;padding:6px 11px;border-radius:8px;color:var(--muted);font-size:13.5px}
.nav-links a:hover,.nav-links a.active{background:var(--panel2);color:#fff;text-decoration:none}
.pill-link{border:1px solid rgba(54,194,201,.45);color:var(--teal)!important}
.nav-toggle{display:none;margin-left:auto;background:var(--panel2);border:1px solid var(--line);
  color:#fff;border-radius:8px;padding:6px 12px;font-size:16px;cursor:pointer}
@media(max-width:900px){
  .nav-toggle{display:block}
  .nav-links{display:none;width:100%;margin:8px 0 0;flex-direction:column}
  .nav-links.open{display:flex}
}

/* ---------- hero ---------- */
.hero{position:relative;padding:96px 0 76px;border-bottom:1px solid var(--line);overflow:hidden}
.hero-glow{position:absolute;inset:-40% -20% auto -20%;height:520px;pointer-events:none;
  background:radial-gradient(ellipse at 20% 40%,rgba(47,191,113,.16),transparent 60%),
             radial-gradient(ellipse at 80% 30%,rgba(54,194,201,.12),transparent 62%)}
.kicker{color:var(--green);font-weight:700;letter-spacing:.17em;font-size:12.5px;text-transform:uppercase}
.hero h1{font-size:clamp(34px,6vw,62px);line-height:1.08;margin:14px 0 22px;font-weight:800;letter-spacing:-1.2px}
.grad{background:linear-gradient(100deg,#7fe2ac,#36c2c9 55%,#a9d6ff);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hook{font-size:clamp(17px,2.2vw,21px);color:#cfe0ec;border-left:3px solid var(--green);
  padding:4px 0 4px 18px;margin:0 0 14px;max-width:760px}
.hook em{color:var(--amber);font-style:italic}
.sub{color:var(--muted);max-width:660px;font-size:16.5px}
.authors{display:flex;align-items:center;gap:14px;margin:32px 0 30px}
.avatar{width:44px;height:44px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:13px;
  background:linear-gradient(135deg,var(--green-d),var(--teal));color:#fff;letter-spacing:.5px}
.avatar:last-of-type{background:linear-gradient(135deg,#b06a12,var(--amber))}
.authors-txt{display:flex;flex-direction:column;line-height:1.45}
.authors-txt strong{font-size:16px;color:#fff}
.authors-txt span{font-size:13px;color:var(--dim)}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-block;padding:11px 22px;border-radius:10px;font-weight:700;font-size:14.5px}
.btn.primary{background:var(--green);color:#06210f}
.btn.primary:hover{background:#3dd383;text-decoration:none}
.btn.ghost{border:1px solid var(--line2);color:#dbe6ef}
.btn.ghost:hover{background:var(--panel);text-decoration:none}

/* ---------- sections ---------- */
.sec{padding:78px 0;border-bottom:1px solid var(--line)}
.sec.alt{background:var(--bg2)}
.sec-tag{color:var(--green);font-size:12.5px;font-weight:700;letter-spacing:.15em;text-transform:uppercase;margin-bottom:10px}
.sec-tag.mt{margin-top:64px}
.sec h2{font-size:clamp(25px,3.6vw,38px);line-height:1.2;margin:0 0 18px;font-weight:800;letter-spacing:-.6px}
.lead{color:var(--muted);font-size:18px;max-width:760px;margin:0 0 30px}
.mt-h{margin-top:36px;font-size:20px;color:#dce7f0}
.mt{margin-top:56px}
p{max-width:820px}

/* ---------- cards ---------- */
.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin:22px 0}
.two-col.tight{gap:14px}
@media(max-width:860px){.two-col{grid-template-columns:1fr}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 22px}
.card.soft{background:var(--panel);border:1px solid var(--line)}
.card.accent-green{border-color:rgba(47,191,113,.4)}
.card.green-card{background:rgba(47,191,113,.07);border:1px solid rgba(47,191,113,.32)}
.card.red-card{background:rgba(229,96,77,.07);border:1px solid rgba(229,96,77,.32)}
.card-label{font-size:11.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;margin-bottom:8px}
.card-label.green{color:var(--green)} .card-label.teal{color:var(--teal)}
.card-label.red{color:var(--red)} .card-label.grey{color:var(--dim)}
.card-label.amber{color:var(--amber)}
.card p{margin:0}
.big-t{font-size:19px;line-height:1.45}

/* ---------- verdict / callout ---------- */
.verdict{background:linear-gradient(135deg,rgba(47,191,113,.12),rgba(54,194,201,.07));
  border:1px solid rgba(47,191,113,.32);border-radius:16px;padding:26px 28px;margin:26px 0 0}
.verdict p{margin:0;font-size:18px;line-height:1.6;max-width:none}
.verdict em{color:#7fe2ac;font-style:italic}
.callout{background:var(--panel);border:1px solid var(--line2);border-left:3px solid var(--teal);
  border-radius:12px;padding:20px 24px;margin:24px 0}
.callout.green{border-left-color:var(--green);background:rgba(47,191,113,.06)}
.callout.amber{border-left-color:var(--amber);background:rgba(242,177,52,.06)}
.callout h3{margin:0 0 6px;font-size:18px}
.callout p{margin:0;color:#c9d7e2;max-width:none}

/* ---------- tables ---------- */
.table-wrap{overflow-x:auto;margin:20px 0}
table{width:100%;border-collapse:collapse;font-size:14.5px;min-width:560px}
th,td{border:1px solid var(--line);padding:11px 13px;text-align:left;vertical-align:top}
th{background:var(--panel2);color:#cfe0ec;font-weight:650;font-size:12.5px;letter-spacing:.06em;text-transform:uppercase}
td.kw{color:var(--green);font-weight:700;white-space:nowrap}
tr:nth-child(even) td{background:rgba(255,255,255,.018)}
.teal-t{color:var(--teal)} .amber-t{color:var(--amber)} .red-t{color:var(--red);font-weight:700}
.note{color:var(--dim);font-size:14.5px;font-style:italic}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:26px 0 30px}
@media(max-width:900px){.stat-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.stat-grid{grid-template-columns:1fr}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:20px 18px;
  border-top:3px solid var(--line2)}
.stat:nth-child(3){border-top-color:var(--amber)}
.stat:nth-child(4){border-top-color:var(--teal)}
.stat .num{font-size:32px;font-weight:800;letter-spacing:-1px;line-height:1.1;margin-bottom:8px}
.num.teal{color:var(--teal)} .num.amber{color:var(--amber)} .num.red{color:var(--red)}
.stat p{font-size:13.5px;color:var(--muted);margin:0 0 10px;line-height:1.5}
.stat span{font-size:11.5px;color:var(--dim);font-style:italic}

/* ---------- toggle ---------- */
.toggle-wrap{display:flex;gap:8px;flex-wrap:wrap;margin:20px 0 0}
.toggle-btn{background:var(--panel);border:1px solid var(--line2);color:var(--muted);
  padding:10px 18px;border-radius:10px;font-size:14px;font-weight:600;cursor:pointer;transition:.18s}
.toggle-btn:hover{color:#fff;border-color:var(--green)}
.toggle-btn.active{background:var(--green);color:#06210f;border-color:var(--green)}
.panel{display:none;background:var(--panel);border:1px solid var(--line);border-top:none;
  border-radius:0 12px 12px 12px;padding:22px 24px}
.panel.active{display:block}
.panel p{margin:0;max-width:none;color:#c9d7e2;font-size:16px}

/* ---------- ticks ---------- */
.ticks{list-style:none;padding:0;margin:20px 0}
.ticks li{padding:10px 0 10px 26px;position:relative;border-bottom:1px solid var(--line);color:#c9d7e2}
.ticks li:before{content:"▸";position:absolute;left:2px;color:var(--green)}

/* ---------- kpi ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:16px 0 22px}
@media(max-width:860px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
.kpi{background:var(--panel);border:1px solid var(--green-d);border-radius:12px;padding:22px 16px;text-align:center}
.kpi strong{font-size:15px;line-height:1.4;color:#dff0e7;font-weight:700}

/* ---------- case ---------- */
.case{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px 24px}
.case-head{font-size:16px;font-weight:800;color:#fff;margin-bottom:12px;padding-bottom:10px;border-bottom:1px solid var(--line)}
.mini{list-style:none;padding:0;margin:12px 0}
.mini li{padding:7px 0 7px 20px;position:relative;font-size:14.5px;color:#c9d7e2;border-bottom:1px dashed var(--line)}
.mini li:before{content:"•";position:absolute;left:4px;color:var(--green)}
.cred{margin-top:14px;font-size:13.5px;color:#cfe0ec;padding:10px 14px;border-radius:9px}
.cred.green2{background:rgba(47,191,113,.1);border:1px solid rgba(47,191,113,.28)}

/* ---------- break cards ---------- */
.break-card{display:grid;grid-template-columns:64px 1fr;gap:20px;background:var(--panel);
  border:1px solid var(--line);border-radius:16px;padding:24px;margin:20px 0}
@media(max-width:760px){.break-card{grid-template-columns:1fr;gap:12px}}
.break-num{width:52px;height:52px;border-radius:13px;display:grid;place-items:center;
  font-size:24px;font-weight:800;color:#fff}
.break-num.red{background:rgba(229,96,77,.22);border:1px solid rgba(229,96,77,.5);color:#f0a193}
.break-num.amber{background:rgba(242,177,52,.2);border:1px solid rgba(242,177,52,.5);color:#f4cf7a}
.break-body h3{margin:0 0 10px;font-size:21px}
.quote-inline{font-style:italic;color:#a9d6ff;border-left:3px solid var(--teal);padding-left:14px;margin:0 0 12px}
.grid-on{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:14px 0}
@media(max-width:760px){.grid-on{grid-template-columns:1fr}}
.grid-on div{background:var(--panel2);border-radius:10px;padding:12px 14px;font-size:14.5px}
.verdict-inline{background:#0a1015;border:1px solid var(--line2);border-radius:10px;padding:13px 16px;
  margin:14px 0 0;font-weight:700;color:#fff;font-size:15.5px;max-width:none}
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:14px 0 18px}
@media(max-width:760px){.stat-row{grid-template-columns:1fr}}
.stat-row div{background:var(--panel2);border:1px solid var(--line);border-radius:11px;padding:14px}
.stat-row strong{display:block;font-size:26px;line-height:1.15;letter-spacing:-.5px}
.stat-row span{font-size:12.5px;color:var(--dim);line-height:1.4;display:block;margin-top:4px}

/* ---------- quiz ---------- */
.quiz{margin:24px 0 18px}
.quiz-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:18px 20px;margin-bottom:12px}
.q{display:flex;gap:14px;align-items:baseline;font-size:17px;font-weight:600;margin-bottom:12px}
.q-num{color:var(--teal);font-weight:800;font-size:13px;letter-spacing:.1em}
.opts{display:flex;gap:10px;flex-wrap:wrap}
.opts button{background:var(--panel2);border:1px solid var(--line2);color:var(--muted);
  padding:8px 18px;border-radius:9px;font-size:13.5px;font-weight:700;cursor:pointer;transition:.16s}
.opts button:hover:not(:disabled){color:#fff;border-color:var(--green)}
.opts button.picked-yes{background:var(--green);color:#06210f;border-color:var(--green)}
.opts button.picked-no{background:var(--red);color:#fff;border-color:var(--red)}
.opts button:disabled{cursor:default}
.opts button.picked-yes,.opts button.picked-no{opacity:1}
.opts button.dim2{opacity:.32}
.reveal{display:none;margin-top:12px;padding:12px 14px;border-radius:9px;font-size:14.5px;line-height:1.6}
.reveal.show{display:block}
.reveal.ok{background:rgba(47,191,113,.1);border:1px solid rgba(47,191,113,.3);color:#d6f3e3}
.reveal.no{background:rgba(229,96,77,.1);border:1px solid rgba(229,96,77,.3);color:#f6d5cd}
.quiz-score{background:var(--panel);border:1px solid var(--line2);border-radius:12px;padding:14px 18px;
  font-size:15px;color:#cfe0ec;margin-bottom:22px}
.quiz-score strong{font-size:19px;color:#fff}

/* ---------- three questions ---------- */
.three-q{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:24px 0}
@media(max-width:860px){.three-q{grid-template-columns:1fr}}
.q-card{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:22px}
.q-badge{width:38px;height:38px;border-radius:10px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;margin-bottom:12px}
.q-badge.green{background:var(--green-d)} .q-badge.teal{background:#1b7b80} .q-badge.amber{background:#8f6208}
.q-card h3{margin:0 0 8px;font-size:18px}
.q-card p{margin:0;color:var(--muted);font-size:14.5px}

/* ---------- accordion ---------- */
.accordion{margin:24px 0}
.acc-item{background:var(--panel);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
.acc-head{width:100%;text-align:left;background:none;border:0;color:#e8eef3;font-size:16px;font-weight:650;
  padding:17px 20px;cursor:pointer;display:flex;justify-content:space-between;gap:16px;align-items:center;font-family:inherit}
.acc-head:hover{background:var(--panel2)}
.acc-head span{color:var(--green);font-size:22px;flex-shrink:0;transition:transform .2s}
.acc-item.open .acc-head span{transform:rotate(45deg)}
.acc-body{display:none;padding:0 20px 18px}
.acc-item.open .acc-body{display:block}
.acc-body p{margin:0;color:#c9d7e2;max-width:none}

/* ---------- sources ---------- */
.src-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:22px}
@media(max-width:860px){.src-grid{grid-template-columns:1fr}}
.src{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.src.warn{border-color:rgba(242,177,52,.35);background:rgba(242,177,52,.05)}
.src p{margin:0;font-size:14px;color:var(--muted);line-height:1.6}

/* ---------- footer ---------- */
.foot{padding:42px 0 60px;color:var(--muted);font-size:14px}
.foot p{margin:6px 0}
.foot .dim{font-size:13px}

@media print{
  .nav,.progress,.hero-cta,.toggle-wrap,.opts{display:none}
  body{background:#fff;color:#000}
  .panel{display:block!important}
  .reveal{display:block!important}
}