:root{
  --cc-teal:#0b9e9d;
  --cc-teal-2:#12b4b1;
  --cc-dark:#075d60;
  --cc-deep:#06484b;
  --cc-ink:#263f41;
  --cc-muted:#6a7c7e;
  --cc-soft:#eefafa;
  --cc-soft-2:#f7fcfc;
  --cc-line:#dceeed;
  --cc-white:#fff;
  --cc-shadow:0 16px 45px rgba(5,82,84,.10);
  --cc-shadow-sm:0 8px 25px rgba(5,82,84,.07);
  --radius-lg:28px;
  --radius-md:18px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:92px}
body{margin:0;background:#fff;color:var(--cc-ink);font-family:"Vazirmatn",Tahoma,Arial,sans-serif;line-height:2;-webkit-font-smoothing:antialiased}
body:before{content:"";position:fixed;inset:0 0 auto;height:3px;background:linear-gradient(90deg,#087f82,var(--cc-teal-2),#087f82);z-index:100}
img{max-width:100%;height:auto} a{color:inherit;text-decoration:none} button{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
/* Header — نزدیک به هدر فعلی Cover Connect */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.97);border-bottom:1px solid #edf4f3;box-shadow:0 3px 18px rgba(5,82,84,.035);backdrop-filter:blur(12px)}
.nav-wrap{min-height:78px;display:flex;align-items:center;justify-content:space-between;gap:25px}
.brand{display:flex;align-items:center;gap:7px;direction:rtl;flex:0 0 auto}
.brand img{width:43px;height:43px;object-fit:contain;object-position:left center}
.brand span{font-size:17px;line-height:1.05;font-weight:900;color:var(--cc-dark);letter-spacing:-.4px}
nav{display:flex;align-items:center;gap:26px;font-size:13px;font-weight:600;color:#385658;margin-inline:auto}
nav a{transition:.2s ease} nav a:hover{color:var(--cc-teal)}
.nav-cta{background:var(--cc-teal);color:#fff!important;padding:10px 21px;border-radius:11px;font-weight:800;box-shadow:0 8px 20px rgba(11,158,157,.18)}
.nav-cta:hover{background:var(--cc-dark);transform:translateY(-1px)}
.menu-toggle{display:none;border:0;background:var(--cc-soft);width:42px;height:42px;border-radius:11px;padding:9px;cursor:pointer}
.menu-toggle span{display:block;height:2px;background:var(--cc-dark);margin:5px 0;border-radius:2px}
.breadcrumb{display:flex;align-items:center;gap:8px;color:#819193;font-size:11px;padding-top:13px;padding-bottom:3px}
.breadcrumb a{color:var(--cc-teal);font-weight:700}.breadcrumb strong{color:var(--cc-dark)}
/* Hero */
.hero{position:relative;background:linear-gradient(180deg,#fbffff 0%,#eefafa 100%);border-bottom:1px solid var(--cc-line);padding:42px 0 50px;overflow:hidden}
.hero:before{content:"";position:absolute;width:520px;height:520px;border-radius:50%;background:rgba(18,180,177,.09);filter:blur(5px);left:-230px;top:-260px}
.hero:after{content:"";position:absolute;width:420px;height:420px;border-radius:50%;background:rgba(18,180,177,.055);right:-210px;bottom:-250px}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.02fr);align-items:center;gap:48px}
.hero-copy{padding-right:10px}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--cc-teal);font-size:12px;font-weight:900;margin-bottom:8px}.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--cc-teal)}
.hero h1{color:var(--cc-dark);font-size:clamp(28px,3.6vw,44px);line-height:1.5;letter-spacing:-.8px;margin:0 0 16px;font-weight:900}.hero h1 span{color:var(--cc-teal);unicode-bidi:isolate;direction:ltr;display:inline-block}
.lead{font-size:16px;line-height:2.15;color:#596d6f;max-width:650px;margin:0}.hero-points{display:flex;flex-wrap:wrap;gap:8px;margin-top:21px}.hero-points span{background:#fff;border:1px solid #d6eceb;color:var(--cc-dark);border-radius:9px;padding:4px 11px;font-size:11px;font-weight:800;box-shadow:0 3px 10px rgba(5,82,84,.035)}
.hero-art{border-radius:25px;overflow:hidden;background:#fff;border:1px solid #d5ebea;box-shadow:var(--cc-shadow)}.hero-art img{display:block;width:100%;aspect-ratio:16/9;object-fit:cover}
/* Contents */
.toc{margin:30px 0 18px;background:#fff;border:1px solid var(--cc-line);border-radius:20px;padding:20px 22px;box-shadow:var(--cc-shadow-sm)}
.toc-title{font-weight:900;color:var(--cc-dark);font-size:15px;margin-bottom:12px}.toc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:4px 18px}.toc-grid a{font-size:12px;color:#607375;padding:5px 0;border-bottom:1px solid #f0f6f5}.toc-grid a:hover{color:var(--cc-teal);text-decoration:none}
.article{max-width:900px;margin-inline:auto}.section{position:relative;padding:39px 0 8px}.section-number{display:inline-flex;align-items:center;justify-content:center;width:31px;height:31px;border-radius:9px;background:var(--cc-soft);color:var(--cc-teal);font-size:11px;font-weight:900;margin-bottom:7px}.section h2,.faq h2,.sources h2{color:var(--cc-dark);font-size:clamp(22px,2.35vw,29px);line-height:1.55;margin:0 0 13px;font-weight:900;letter-spacing:-.45px}.section p{font-size:15px;line-height:2.15;color:#4d6264;margin:9px 0}.section strong{color:#164b4d}
.notice,.callout,.do-not,.comparison,.scenario,.timeline{margin:22px 0;padding:18px 20px;border-radius:17px}.notice{background:#fff9e7;border:1px solid #f1e1aa;color:#685a2b;font-size:13px}.callout.teal{background:var(--cc-soft);border:1px solid #cfeceb}.callout.amber{background:#fff7e9;border:1px solid #f1dcae}.source-link{display:inline-flex;margin-top:9px;padding:7px 13px;border-radius:9px;background:var(--cc-soft);color:var(--cc-dark);font-size:12px;font-weight:800}.source-link:hover{background:#dff5f4;text-decoration:none}
/* Image placeholders */
.media-slot{min-height:240px;margin:34px 0;border:1.5px dashed #9edbd9;border-radius:22px;background:linear-gradient(135deg,rgba(11,158,157,.035),rgba(11,158,157,.09));display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:28px;color:var(--cc-dark)}.media-slot .slot-label{font-size:10px;color:var(--cc-teal);font-weight:900;margin-bottom:5px}.media-slot strong{font-size:16px}.media-slot span{font-size:11px;color:var(--cc-muted);margin-top:3px}.media-slot.half{width:76%;margin-inline:auto;min-height:215px}
/* Components */
.comparison{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;background:var(--cc-soft-2);border:1px solid var(--cc-line)}.comparison div{background:#fff;border:1px solid #e3efee;border-radius:13px;padding:11px;text-align:center}.comparison span{display:block;font-size:10px;color:var(--cc-muted)}.comparison b{display:block;color:var(--cc-dark);font-size:14px}.do-not{display:grid;grid-template-columns:1fr 1fr;gap:8px;background:#fffafa;border:1px solid #f0dddd}.do-not div{background:#fff;padding:9px 11px;border-radius:10px;font-size:13px}.steps{counter-reset:step;list-style:none;padding:0;margin:17px 0}.steps li{position:relative;padding:8px 47px 8px 0;background:#f9fdfd;border-bottom:1px solid #e3efee;font-size:14px}.steps li:before{counter-increment:step;content:counter(step);position:absolute;right:0;top:7px;width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:var(--cc-teal);color:#fff;font-weight:900;font-size:12px}.poster{margin:24px 0;text-align:center}.poster img{display:block;width:100%;border-radius:20px;box-shadow:var(--cc-shadow);border:1px solid #d5eceb}.poster figcaption{font-size:11px;color:var(--cc-muted);margin-top:7px}.scenario{display:grid;grid-template-columns:repeat(3,1fr);gap:9px;background:#f6fbfb;border:1px solid var(--cc-line)}.scenario div{background:#fff;border:1px solid #e1eeed;border-radius:13px;padding:11px}.scenario small{display:block;color:var(--cc-muted);font-size:10px}.scenario strong{display:block;color:var(--cc-dark);font-size:15px}.timeline{background:#f8fdfd;border:1px solid var(--cc-line)}.timeline div{display:flex;gap:12px;align-items:center;padding:7px 0;border-bottom:1px dashed #d9ebea;font-size:13px}.timeline div:last-child{border-bottom:0}.timeline b{flex:0 0 31px;width:31px;height:31px;border-radius:9px;display:grid;place-items:center;background:var(--cc-teal);color:#fff;font-size:12px}
.final-summary{margin:45px 0;padding:30px;border-radius:24px;background:linear-gradient(135deg,#eefafa,#fbffff);border:1px solid #cfe9e8}.final-summary h2{margin-top:0;color:var(--cc-dark)}.cta{margin-top:21px;padding:20px;border-radius:17px;background:var(--cc-dark);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:20px}.cta h3{margin:0;font-size:17px;line-height:1.7}.cta .eyebrow{color:#86e1dd}.cta a{flex:0 0 auto;background:#fff;color:var(--cc-dark);padding:9px 17px;border-radius:10px;font-weight:900}.faq{padding:22px 0 8px}details{border:1px solid var(--cc-line);border-radius:13px;margin:9px 0;background:#fff;overflow:hidden}summary{cursor:pointer;padding:12px 15px;font-weight:800;color:var(--cc-dark);font-size:13px}details p{padding:0 15px 13px;margin:0;color:#53696b;font-size:13px;line-height:2}.sources{padding:30px 0 55px}.sources ul{padding-right:20px}.sources li{margin:4px 0}.sources a{font-size:13px;color:var(--cc-dark)}
.site-footer{background:#06484b;color:#dff7f6;padding:28px 0}.footer-wrap{display:flex;align-items:center;gap:22px}.footer-wrap img{width:145px}.footer-wrap p{margin:0;font-size:11px;color:#c5e7e5}
/* Tablet */
@media(max-width:900px){.container{width:min(100% - 30px,1180px)}.nav-wrap{min-height:70px}.hero-grid{grid-template-columns:1fr;gap:25px}.hero-copy{padding:0}.hero-art{max-width:760px;margin-inline:auto;width:100%}.toc-grid{grid-template-columns:1fr 1fr}.comparison{grid-template-columns:1fr 1fr}.scenario{grid-template-columns:1fr 1fr}}
/* Mobile — شبیه ساختار هدر سایت اصلی */
@media(max-width:650px){
  .container{width:calc(100% - 24px)}
  .site-header{position:sticky;top:0}.nav-wrap{min-height:62px;gap:8px}.brand{margin-right:0}.brand img{width:35px;height:35px}.brand span{font-size:14px}
  .menu-toggle{display:block;margin-right:auto}
  nav{display:none;position:absolute;top:62px;left:12px;right:12px;background:#fff;border:1px solid var(--cc-line);border-radius:0 0 16px 16px;padding:10px;box-shadow:0 15px 35px rgba(5,82,84,.12);flex-direction:column;align-items:stretch;gap:2px;margin:0}nav.is-open{display:flex}nav a{padding:9px 10px;border-radius:8px;font-size:12px}nav a:hover{background:var(--cc-soft)}nav .nav-cta{text-align:center;margin-top:5px}
  .breadcrumb{font-size:9px;padding-top:10px}.hero{padding:30px 0 34px}.hero h1{font-size:28px;line-height:1.48;letter-spacing:-.5px}.lead{font-size:14px;line-height:2.1}.hero-points{gap:6px;margin-top:16px}.hero-points span{font-size:10px;padding:3px 8px}.hero-art{border-radius:18px}.toc{margin-top:22px;padding:16px;border-radius:17px}.toc-title{font-size:13px}.toc-grid{grid-template-columns:1fr;gap:0}.toc-grid a{font-size:11px;padding:4px 0}.article{width:100%}.section{padding-top:31px}.section h2{font-size:21px;line-height:1.6}.section p{font-size:14px;line-height:2.15}.notice,.callout,.do-not,.comparison,.scenario,.timeline{padding:15px;margin:18px 0}.media-slot{min-height:170px;padding:22px;margin:28px 0}.media-slot strong{font-size:14px}.media-slot span{font-size:10px}.media-slot.half{width:100%}.comparison,.scenario,.do-not{grid-template-columns:1fr}.steps li{font-size:13px}.poster img{border-radius:15px}.final-summary{padding:22px;border-radius:19px}.cta{flex-direction:column;align-items:stretch}.cta a{text-align:center}.footer-wrap{flex-direction:column;align-items:flex-start;gap:10px}.footer-wrap img{width:125px}
}