/* design: article.html */
/* ==== Thmanyah fonts (local) ==== */

h1,h2,h3{font-family:'Thmanyah Serif Display','Thmanyah Sans',serif}
:root{
  --bg:#fafafa;
  --surface:#ffffff;
  --ink:#0a0a0c;
  --ink-70:rgba(10,10,12,.68);
  --ink-45:rgba(10,10,12,.45);
  --line:#e7e6e2;
  --green:#458b64;
  --green-soft:#c9efa2;
  --green-ink:#1e4630;
  --dark:#101010;
  --muted-gray:#8f8f8c;
  --r-lg:22px;
  --r-md:16px;
  --ease:cubic-bezier(.24,.58,.47,.99);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Thmanyah Sans','Hanken Grotesk',system-ui,sans-serif;
  background:var(--bg);color:var(--ink);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.65;
}
::selection{background:var(--ink);color:var(--green-soft)}
a{color:inherit;text-decoration:none}
svg{display:block}
.container{width:min(1200px,92%);margin-inline:auto}
.eyebrow{
  font-family:'Hanken Grotesk','Thmanyah Sans',sans-serif;
  font-size:12px;font-weight:600;letter-spacing:.22em;
  text-transform:uppercase;color:var(--ink-45);
  display:flex;align-items:center;gap:10px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--ink-45)}

/* header */
header{
  position:fixed;inset-inline:0;top:0;z-index:60;
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  background:rgba(250,250,250,.85);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:900;font-size:19px;white-space:nowrap}
.logo-mark{width:34px;height:34px;border-radius:10px;background:var(--ink);display:grid;place-items:center;flex-shrink:0}
.nav-links{display:flex;gap:24px;font-size:15px;font-weight:500;color:var(--ink-70)}
.nav-links a{transition:color .25s}
.nav-links a:hover{color:var(--ink)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:12px 24px;border-radius:999px;
  font-family:'Thmanyah Sans',sans-serif;font-weight:700;font-size:15px;
  cursor:pointer;border:1px solid transparent;
  transition:transform .3s var(--ease),background .3s,color .3s,border-color .3s;
}
.btn-dark{background:var(--ink);color:var(--bg)}
.btn-dark:hover{transform:translateY(-2px);background:#000}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.btn-ghost:hover{border-color:var(--ink);transform:translateY(-2px)}
.btn .arr{transition:transform .3s var(--ease)}
.btn:hover .arr{transform:translateX(-4px)}
.nav-cta{display:flex;gap:10px;align-items:center}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;background:var(--surface)}
.lang-switch button{border:0;background:none;padding:7px 11px;font-family:inherit;font-size:12px;font-weight:700;cursor:pointer;color:var(--ink-45);transition:background .25s,color .25s}
.lang-switch button.on{background:var(--ink);color:var(--green-soft)}
.menu-btn{display:none;background:none;border:0;cursor:pointer;padding:8px;color:var(--ink)}
.m-menu{
  position:fixed;top:64px;inset-inline:0;z-index:59;
  background:rgba(250,250,250,.98);backdrop-filter:blur(16px);
  border-bottom:1px solid var(--line);padding:10px 5% 26px;
  transform:translateY(-108%);transition:transform .4s var(--ease);visibility:hidden;
}
body.menu-open .m-menu{transform:translateY(0);visibility:visible}
.m-menu a{display:block;padding:14px 4px;font-weight:700;font-size:16px;border-bottom:1px solid var(--line)}
.m-menu a.cta-link{color:var(--green);border-bottom:0}

/* reading progress */
.progress{
  position:fixed;top:64px;right:0;height:2.5px;background:var(--green);
  width:0;z-index:61;transition:width .1s linear;
}

/* breadcrumb + article head */
.crumbs{padding:96px 0 0;font-size:13px;color:var(--ink-45);display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.crumbs a{color:var(--ink-70);transition:color .25s}
.crumbs a:hover{color:var(--green)}
.a-head{max-width:760px;padding:26px 0 36px}
.a-meta{display:flex;gap:12px;align-items:center;flex-wrap:wrap;font-size:12.5px;color:var(--ink-45);margin-bottom:18px}
.chip{
  display:inline-block;font-size:11.5px;font-weight:700;color:var(--green-ink);
  background:rgba(201,239,162,.35);border:1px solid rgba(69,139,100,.25);
  padding:4px 12px;border-radius:999px;
}
.a-head h1{font-size:clamp(1.8rem,4vw,2.9rem);font-weight:900;line-height:1.3}
.a-head .intro{margin-top:18px;font-size:17px;color:var(--ink-70);line-height:1.85}
.a-byline{
  display:flex;align-items:center;gap:14px;margin-top:26px;padding-top:22px;
  border-top:1px solid var(--line);flex-wrap:wrap;
}
.a-byline .av{
  width:46px;height:46px;border-radius:50%;background:var(--ink);color:var(--green-soft);
  display:grid;place-items:center;font-weight:800;font-size:17px;flex-shrink:0;
}
.a-byline b{display:block;font-size:14.5px}
.a-byline span{font-size:12.5px;color:var(--ink-45)}

/* layout: content + sidebar */
.a-layout{display:grid;grid-template-columns:1fr 300px;gap:56px;padding-bottom:70px}
.a-body{max-width:760px;font-size:16.5px;line-height:1.95}
.a-body h2{
  font-size:clamp(1.3rem,2.6vw,1.7rem);font-weight:800;line-height:1.4;
  margin:48px 0 18px;scroll-margin-top:90px;
  display:flex;align-items:center;gap:14px;
}
.a-body h2::before{
  content:"";width:6px;height:26px;background:var(--green);border-radius:99px;flex-shrink:0;
}
.a-body h3{font-size:1.15rem;font-weight:800;margin:32px 0 12px;scroll-margin-top:90px}
.a-body p{margin-bottom:18px;color:var(--ink-70)}
.a-body p b,.a-body li b{color:var(--ink)}
.a-body ul,.a-body ol{margin:0 22px 20px;color:var(--ink-70)}
.a-body li{margin-bottom:10px}
.a-body li::marker{color:var(--green);font-weight:700}

/* quick answer box (AEO) */
.quick-answer{
  background:linear-gradient(135deg,rgba(201,239,162,.22),rgba(201,239,162,.1));
  border:1px solid rgba(69,139,100,.3);border-radius:var(--r-lg);
  padding:26px 28px;margin:8px 0 32px;
}
.quick-answer .qa-label{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:800;
  letter-spacing:.14em;color:var(--green-ink);margin-bottom:12px;
}
.quick-answer p{margin:0;color:var(--ink);font-size:16px;line-height:1.85}

/* highlight quote */
.pull{
  border-inline-start:3px solid var(--green);
  background:var(--surface);border-radius:0 var(--r-md) var(--r-md) 0;
  padding:22px 26px;margin:28px 0;font-size:17px;font-weight:500;color:var(--ink);
}
[dir="rtl"] .pull{border-radius:var(--r-md) 0 0 var(--r-md)}

/* steps list */
.mini-steps{counter-reset:ms;display:grid;gap:12px;margin:20px 0 24px}
.mini-steps .ms{
  display:flex;gap:16px;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;align-items:flex-start;
}
.mini-steps .ms::before{
  counter-increment:ms;content:counter(ms);
  width:30px;height:30px;min-width:30px;border-radius:50%;
  background:var(--ink);color:var(--green-soft);font-weight:800;font-size:14px;
  display:grid;place-items:center;font-family:'Hanken Grotesk',sans-serif;
}
.mini-steps .ms b{display:block;font-size:15px;margin-bottom:3px}
.mini-steps .ms span{font-size:14px;color:var(--ink-70)}

/* data table */
.tbl{width:100%;border-collapse:collapse;margin:22px 0 26px;font-size:14.5px;background:var(--surface);border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line)}
.tbl th{background:var(--ink);color:var(--green-soft);padding:13px 16px;text-align:right;font-weight:700;font-size:13.5px}
.tbl td{padding:13px 16px;border-top:1px solid var(--line);color:var(--ink-70)}
.tbl tr:nth-child(even) td{background:rgba(10,10,12,.02)}
.tbl td:first-child{color:var(--ink);font-weight:700}

/* warning note */
.note{
  display:flex;gap:14px;background:var(--surface);border:1px dashed rgba(69,139,100,.5);
  border-radius:var(--r-md);padding:18px 20px;margin:24px 0;font-size:14.5px;color:var(--ink-70);
}
.note .ic{color:var(--green);flex-shrink:0;margin-top:2px}
.note b{color:var(--ink)}

/* article FAQ */
.faq{margin:20px 0}
.faq details{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);margin-bottom:11px;overflow:hidden;transition:border-color .3s}
.faq details[open]{border-color:rgba(69,139,100,.45)}
.faq summary{list-style:none;cursor:pointer;padding:18px 22px;font-weight:700;font-size:15.5px;display:flex;justify-content:space-between;align-items:center;gap:16px}
.faq summary::-webkit-details-marker{display:none}
.faq summary .ind{width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:grid;place-items:center;transition:.35s var(--ease);flex-shrink:0}
.faq details[open] summary .ind{background:var(--ink);color:var(--green-soft);border-color:var(--ink);transform:rotate(45deg)}
.faq .ans{padding:0 22px 18px;color:var(--ink-70);font-size:14.5px}

/* article CTA inline */
.a-cta{
  background:var(--ink);color:#f5f5f5;border-radius:var(--r-lg);
  padding:36px;margin:44px 0;position:relative;overflow:hidden;
}
.a-cta::before{
  content:"";position:absolute;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(201,239,162,.22),transparent 65%);
  top:-100px;left:-80px;
}
.a-cta h3{font-size:20px;margin-bottom:10px;position:relative}
.a-cta p{color:rgba(245,245,245,.65);font-size:14.5px;margin-bottom:20px;position:relative}
.a-cta .btn-light{background:var(--green-soft);color:var(--green-ink);position:relative}
.a-cta .btn-light:hover{transform:translateY(-2px);background:#d8f7b4}

/* tags + share */
.a-foot{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:26px;margin-top:14px}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tags span{font-size:12.5px;font-weight:700;color:var(--ink-70);border:1px solid var(--line);padding:6px 14px;border-radius:999px;background:var(--surface)}
.share{display:flex;gap:10px;align-items:center;font-size:13px;color:var(--ink-45)}
.share button{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);background:var(--surface);
  display:grid;place-items:center;cursor:pointer;color:var(--ink);transition:.3s var(--ease);
}
.share button:hover{background:var(--ink);color:var(--green-soft);border-color:var(--ink)}

/* sidebar */
.a-side{position:relative}
.side-sticky{position:sticky;top:96px;display:grid;gap:18px}
.toc{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;
}
.toc h4{font-size:13px;font-weight:800;letter-spacing:.12em;color:var(--ink-45);margin-bottom:14px}
.toc a{
  display:block;padding:8px 0;font-size:14px;color:var(--ink-70);
  border-inline-start:2px solid var(--line);padding-inline-start:14px;
  transition:all .25s;
}
.toc a:hover,.toc a.act{color:var(--green-ink);border-color:var(--green);font-weight:700}
.side-card{
  background:var(--dark);color:#f5f5f5;border-radius:var(--r-lg);padding:26px;
}
.side-card h4{font-size:17px;margin-bottom:8px}
.side-card p{font-size:13.5px;color:rgba(245,245,245,.6);margin-bottom:18px}
.side-card .btn{width:100%;background:var(--green-soft);color:var(--green-ink)}
.side-card .btn:hover{background:#d8f7b4;transform:translateY(-2px)}

/* related */
.related{padding:0 0 80px}
.related h2{font-size:clamp(1.4rem,2.8vw,1.9rem);margin-bottom:28px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.rel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:transform .35s var(--ease),box-shadow .35s var(--ease);
}
.rel:hover{transform:translateY(-4px);box-shadow:0 20px 36px -26px rgba(10,10,12,.22)}
.rel .p-meta{display:flex;gap:10px;align-items:center;font-size:11.5px;color:var(--ink-45)}
.rel h3{font-size:16px;line-height:1.5}
.rel p{font-size:13.5px;color:var(--ink-70)}
.rel .go{margin-top:auto;font-size:13px;font-weight:700;color:var(--green)}

/* footer */
footer{padding:64px 0 40px;border-top:1px solid var(--line)}
.f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.f-grid h4{font-size:14px;margin-bottom:16px}
.f-grid a{display:block;color:var(--ink-70);font-size:14px;padding:5px 0;transition:color .25s}
.f-grid a:hover{color:var(--green)}
.f-brand p{color:var(--ink-70);font-size:14px;max-width:32ch;margin-top:14px}
.f-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);font-size:12.5px;color:var(--ink-45)}

/* reveal */
.rv{opacity:0;transform:translateY(24px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  .rv{opacity:1;transform:none}
}

/* responsive */
@media(max-width:1020px){
  .a-layout{grid-template-columns:1fr;gap:40px}
  .side-sticky{position:static}
  .toc{display:none}
  .f-grid{grid-template-columns:1fr 1fr}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .nav-links{display:none}
  .menu-btn{display:block}
}
@media(max-width:640px){
  .crumbs{padding-top:88px}
  .a-head h1{font-size:1.55rem}
  .a-body{font-size:15.5px}
  .f-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .nav-cta .btn{display:none}
  .lang-switch button{padding:7px 9px;font-size:11px}
  .a-cta{padding:28px 22px}
  .tbl{font-size:13px}
  .tbl th,.tbl td{padding:11px 12px}
}