/* /guides/product-evidence-ladder/ — five-level ladder, widening upward. Original layout. */

.el-hero{padding:48px 0 12px;max-width:840px}
.el-hero h1{font-size:clamp(26px,3.6vw,38px);margin:.3em 0 .5em}
.el-lede{font-size:17px;color:#C4C6C8}

.el-ladder{display:flex;flex-direction:column;gap:10px;max-width:760px}
.el-rung{display:flex;gap:16px;align-items:flex-start;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px}
.el-rung-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:800;font-size:14px;color:#fff;
}
.el-rung-5 .el-rung-num,.el-rung-5{border-color:var(--coral)}
.el-rung-5 .el-rung-num{background:var(--coral)}
.el-rung-4 .el-rung-num{background:#D9534F}
.el-rung-3 .el-rung-num{background:#C77A66}
.el-rung-2 .el-rung-num{background:#8A9BA8}
.el-rung-1 .el-rung-num{background:#9AA0A6}
.el-rung-1{margin-left:14%}
.el-rung-2{margin-left:10.5%}
.el-rung-3{margin-left:7%}
.el-rung-4{margin-left:3.5%}
.el-rung-5{margin-left:0}
@media (max-width:700px){.el-rung-1,.el-rung-2,.el-rung-3,.el-rung-4,.el-rung-5{margin-left:0}}
.el-rung h3{font-size:15.5px;margin:0 0 6px}
.el-ex{font-size:13px;color:var(--muted);margin:0 0 8px}
.el-q{font-size:13.5px;color:var(--qc-green);margin:0 0 4px}
.el-weak{font-size:13px;color:var(--muted);margin:0 0 6px}
.el-extra{font-size:13px;color:#C4C6C8;margin:0}

.el-conf-row{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:8px}
.el-conf-row > div{display:flex;align-items:center;gap:8px}
.el-conf-row span:last-child{font-size:13.5px;color:#C4C6C8}

.el-principle{background:var(--dark);border-radius:var(--radius-lg);padding:40px}
.el-principle .eyebrow{color:#FF8A80}
.el-principle h2{color:#fff;font-size:24px;margin:.3em 0 .5em}
.el-principle p{color:#C7C7C5;font-size:15px;margin:0 0 20px}