/* Theme: eco — minimal, green, performance (compressjpg.org) */
:root{
  --ink:#0f1f17; --body:#33433b; --dim:#6b7d73; --line:#e6ece8;
  --green:#15a34a; --green-dk:#0f7c38; --mint:#ecfaf0; --bg:#ffffff;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg);color:var(--body);
  font:17px/1.75 "Inter",-apple-system,"Segoe UI",Roboto,system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3{color:var(--ink);line-height:1.2;letter-spacing:-.02em;font-weight:700}
a{color:var(--green-dk);text-decoration:none}
a:hover{text-decoration:underline}
.mono{font-variant-numeric:tabular-nums;font-family:ui-monospace,Menlo,monospace}

.wrap{max-width:760px;margin:0 auto;padding:0 24px}

/* nav */
.nav{border-bottom:1px solid var(--line)}
.nav .wrap{max-width:980px;display:flex;align-items:center;justify-content:space-between;height:66px}
.logo{font-weight:800;font-size:1.15rem;color:var(--ink);display:flex;align-items:center;gap:8px}
.dot{width:11px;height:11px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px var(--mint)}
.menu a{margin-left:24px;color:var(--dim);font-size:.93rem;font-weight:500}
.menu a:hover,.menu a.active{color:var(--green-dk);text-decoration:none}

/* hero */
.hero{padding:72px 0 40px}
.hero .wrap{max-width:760px}
.kicker{color:var(--green);font-weight:700;font-size:.82rem;text-transform:uppercase;letter-spacing:.12em;margin-bottom:14px}
.hero h1{font-size:2.7rem;margin:0 0 16px}
.hero p{font-size:1.18rem;color:var(--dim);max-width:600px;margin:0}
.btn{display:inline-block;margin-top:26px;background:var(--green);color:#fff;font-weight:600;
  padding:13px 24px;border-radius:8px}
.btn:hover{background:var(--green-dk);text-decoration:none;color:#fff}

/* stat band */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:12px;overflow:hidden;margin:36px 0}
.stats .s{background:#fff;padding:22px 18px;text-align:center}
.stats .n{font-size:1.9rem;font-weight:800;color:var(--green-dk)}
.stats .l{color:var(--dim);font-size:.85rem;margin-top:2px}

/* crumb */
.crumb{font-size:.84rem;color:var(--dim);padding:18px 0 0}
.crumb a{color:var(--dim)}

/* content */
main{padding:18px 0 10px}
article h2{font-size:1.6rem;margin:38px 0 12px}
article h3{font-size:1.2rem;margin:26px 0 6px;color:var(--green-dk)}
article p,article li{color:var(--body)}
article ul,article ol{padding-left:22px}article li{margin:8px 0}
article hr{border:0;border-top:1px solid var(--line);margin:34px 0}

.note{background:var(--mint);border-radius:10px;padding:16px 20px;margin:22px 0;color:#155436}
.note b{color:var(--green-dk)}

/* numbered checklist */
.check{list-style:none;padding:0;margin:22px 0;counter-reset:c}
.check li{counter-increment:c;position:relative;padding:18px 0 18px 52px;border-top:1px solid var(--line)}
.check li:last-child{border-bottom:1px solid var(--line)}
.check li::before{content:counter(c);position:absolute;left:0;top:16px;width:32px;height:32px;
  background:var(--mint);color:var(--green-dk);border-radius:8px;display:grid;place-items:center;font-weight:800;font-size:.95rem}
.check li b{color:var(--ink)}

/* compression bar visual */
.bar{height:34px;border-radius:7px;background:var(--line);overflow:hidden;margin:6px 0 2px;display:flex}
.bar .keep{background:var(--green);height:100%}
.bar .drop{background:repeating-linear-gradient(45deg,#dfeee6,#dfeee6 6px,#eef6f1 6px,#eef6f1 12px);height:100%}
.barlabel{font-size:.82rem;color:var(--dim);margin-bottom:16px}

/* faq */
.faq{margin-top:10px}
.faq details{border-top:1px solid var(--line);padding:6px 0}
.faq details:last-child{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;font-weight:600;padding:14px 0;color:var(--ink);font-size:1.05rem}
.faq details[open] summary{color:var(--green-dk)}
.faq p{margin:0 0 14px;color:var(--body)}

footer{border-top:1px solid var(--line);margin-top:40px;padding:32px 0;color:var(--dim);font-size:.9rem}
.move{background:var(--mint);border-radius:10px;padding:16px 20px;margin-bottom:16px;color:#155436}
.move b{color:var(--green-dk)}

@media(max-width:620px){.hero h1{font-size:2.1rem}.stats{grid-template-columns:1fr}}