:root{
  --bg:#f6f4ec;
  --card:#ffffff;
  --ink:#16302c;
  --teal:#0e7a72;
  --teal-dark:#0a5952;
  --gold:#d9a24b;
  --line:#e3ddc9;
  --text:#3c4a45;
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink)}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}

.site-header{padding:18px 0}
.site-header .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{text-decoration:none}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:800;text-decoration:none;font-size:.92rem;padding:12px 22px;border-radius:8px}
.btn-solid{background:var(--teal);color:#fff}
.btn-solid:hover{background:var(--teal-dark)}
.btn-line{border:1.5px solid var(--teal);color:var(--teal)}

/* hero: staircase visual */
.hero{padding:26px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:30px;align-items:center}
.eyebrow{display:inline-block;background:#e7f2ef;color:var(--teal-dark);font-weight:800;font-size:.76rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 12px;border-radius:999px}
.hero-copy h1{font-size:clamp(1.9rem,3.6vw,2.6rem);line-height:1.15;font-weight:800;margin:16px 0 12px}
.hero-copy p{color:var(--text);line-height:1.68;font-size:1.03rem;margin:0 0 22px}
.hero-copy p a{color:var(--teal-dark);text-decoration:underline}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap}

.stair-visual{display:flex;align-items:flex-end;gap:10px;justify-content:center;height:240px}
.stair{background:linear-gradient(160deg,var(--teal),var(--teal-dark));border-radius:12px 12px 0 0;display:flex;align-items:flex-start;justify-content:center;padding-top:14px;box-shadow:0 10px 24px rgba(14,122,114,.18)}
.stair span{color:#fff;font-weight:800;font-size:1.2rem}
.stair.s1{width:56px;height:90px}
.stair.s2{width:56px;height:130px}
.stair.s3{width:56px;height:175px}
.stair.s4{width:56px;height:220px;background:linear-gradient(160deg,var(--gold),#b87f2c)}

.chip-strip{margin:22px 0}
.chip-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.chip{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:14px 16px;font-size:.86rem;color:var(--text);text-align:center}
.chip b{display:block;color:var(--teal-dark);font-size:1.15rem;margin-bottom:2px}

.content{padding:40px 0}
.article h2{font-size:1.4rem;margin:34px 0 12px}
.article h2:first-child{margin-top:0}
.article h3{font-size:1.05rem;margin:16px 0 8px}
.article p{line-height:1.7;color:var(--text);margin:0 0 14px}
.article a{color:var(--teal-dark);text-decoration:underline}

.numbered-list{list-style:none;counter-reset:step;margin:16px 0 28px;padding:0;display:flex;flex-direction:column;gap:12px}
.numbered-list li{counter-increment:step;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 54px;position:relative;line-height:1.65;color:var(--text)}
.numbered-list li::before{content:counter(step);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:50%;background:var(--teal);color:#fff;font-weight:800;font-size:.86rem;display:flex;align-items:center;justify-content:center}
.numbered-list strong{color:var(--ink)}

.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:16px 0 26px}
.check-card{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--gold);border-radius:10px;padding:18px}
.check-card h3{margin:0 0 6px;font-size:1rem}
.check-card p{margin:0;font-size:.9rem;color:var(--text);line-height:1.6}

table{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:10px;overflow:hidden}
th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:.92rem}
th{background:#eef4f1;color:var(--teal-dark)}
tr:last-child td{border-bottom:none}
.table-scroll{overflow-x:auto;margin:14px 0 20px}

.faq-block h3{cursor:pointer;position:relative;padding-right:26px;border-top:1px solid var(--line);padding-top:16px}
.faq-block h3:first-child{border-top:none}
.faq-block h3::after{content:"+";position:absolute;right:0;top:14px;font-weight:800;color:var(--teal)}
.faq-block h3[aria-expanded="true"]::after{content:"–"}
.faq-block p{display:none;margin-top:6px}
.faq-block h3[aria-expanded="true"] + p{display:block}

.cta-band{background:linear-gradient(120deg,var(--teal),var(--teal-dark));border-radius:16px;padding:32px 28px;text-align:center;margin-top:20px}
.cta-band p.ct{margin:0 0 8px;font-size:1.3rem;font-weight:800;color:#fff}
.cta-band p.cs{margin:0 0 18px;color:#dcefec}
.cta-band .btn-solid{background:#fff;color:var(--teal-dark)}

.resource-note{font-size:.9rem;color:var(--text);margin-top:18px}
.resource-note a{color:var(--teal-dark);text-decoration:underline}

.site-footer{background:var(--card);border-top:1px solid var(--line);padding:30px 0;margin-top:26px}
.footer-brand{font-weight:800}
.footer-brand b{color:var(--teal)}
.footer-src{font-size:.85rem;color:var(--text);margin:10px 0 0}
.footer-src a{color:var(--teal-dark);text-decoration:underline}
.rg-line{font-size:.8rem;color:#6b7873;line-height:1.6;margin:10px 0 0}
.copyright{font-size:.78rem;color:#8b968f;margin:6px 0 0}

@media (max-width:840px){
  .hero-grid{grid-template-columns:1fr}
  .stair-visual{height:170px}
  .stair.s1{height:60px}
  .stair.s2{height:90px}
  .stair.s3{height:120px}
  .stair.s4{height:150px}
  .chip-row{grid-template-columns:repeat(2,1fr)}
  .check-grid{grid-template-columns:1fr}
}