/* ============================================================
   yb-site.css — تنسيقات الموقع العام (الهيدر، المدونة، النشرة، الفوتر)
   تُستخدم في: blog.html, post.html
   ============================================================ */
:root{
  --blk:#0C0D12;
  --blue:#0C0D12;   /* مونوكروم: الأزرق أُلغي */
  --blue-d:#23252f;
  --canvas:#EFF0F3;
  --hero-bg:#ECEDF1;
  --ink-t:#101321;
  --gray-t:#5F6472;
  --gray-l:#A9AEBC;
}
html{scroll-behavior:smooth}
body{background:var(--canvas);color:var(--ink-t)}
.font-d{font-family:'Thmanyah Sans','Alexandria','IBM Plex Sans Arabic',sans-serif}
.canvas{
  max-width:1240px;margin:26px auto;background:#fff;
  border-radius:22px;overflow:hidden;position:relative;
  box-shadow:0 30px 80px rgba(12,13,18,.09);
  min-height:calc(100vh - 52px);display:flex;flex-direction:column;
}
.canvas>footer{margin-top:auto}
@media(max-width:1280px){.canvas{margin:0;border-radius:0;min-height:100vh}}

/* ===== الهيدر ===== */
.hdr{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4vw;border-bottom:1px solid #F0F0F3;
}
.hdr .brand{gap:11px}
.hdr .brand .logo{background:var(--blk);border-radius:12px;width:40px;height:40px;font-family:'Thmanyah Sans','Alexandria',sans-serif}
.hdr .brand .name{font-size:15.5px;font-weight:700;line-height:1.4;font-family:'Thmanyah Sans','Alexandria',sans-serif}
.hdr .brand .tag{font-size:11px;color:#9AA0AE;line-height:1.4;font-weight:500}
.hdr .links{display:flex;gap:4px;align-items:center}
.hdr .links a{
  color:#454B5A;text-decoration:none;font-weight:600;font-size:13.5px;
  padding:9px 14px;border-radius:40px;transition:all .18s;
}
.hdr .links a:hover{color:var(--blk);background:#F2F3F6}
.hdr .links a.on{color:var(--blk);font-weight:700}
.hdr .links a.cta{
  color:#fff;background:var(--blk);margin-right:10px;padding:11px 24px;font-size:13px;
  font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:700;
}
.hdr .links a.cta:hover{background:#23252f;color:#fff}
@media(max-width:760px){
  .hdr .brand .tag{display:none}
  .hdr .links a:not(.cta){padding:8px 9px;font-size:12.5px}
}

/* ===== الأقسام ===== */
.sec{padding:64px 4vw 10px;max-width:1140px;margin:0 auto;width:100%}
.sec-head{text-align:center;margin-bottom:40px}
.sec-head .k{
  display:inline-block;background:#F2F3F6;color:var(--gray-t);font-size:12px;font-weight:700;
  padding:7px 18px;border-radius:20px;margin-bottom:14px;
}
.sec-head h2{font-family:'Thmanyah Sans','Alexandria',sans-serif;font-size:clamp(21px,3vw,30px);font-weight:800}
.sec-head p{color:var(--gray-t);font-size:13.5px;line-height:2;margin-top:10px;max-width:520px;margin-inline:auto}

/* ===== بطاقات المقالات (بغلاف صورة) ===== */
.posts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.post-c{
  background:#fff;border:1.5px solid #ECEDF1;border-radius:20px;overflow:hidden;
  text-decoration:none;color:var(--ink-t);display:flex;flex-direction:column;
  transition:transform .25s, border-color .25s, box-shadow .25s;
}
.post-c:hover{transform:translateY(-5px);border-color:var(--blk);box-shadow:0 18px 44px rgba(12,13,18,.09)}
.post-c .p-cover{
  position:relative;height:200px;overflow:hidden;background:var(--hero-bg);
  display:flex;align-items:center;justify-content:center;flex-shrink:0;
}
.post-c .p-cover img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s cubic-bezier(.22,1,.36,1);
}
.post-c:hover .p-cover img{transform:scale(1.06)}
.post-c .p-cover .p-fb{font-size:44px}
.post-c .p-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.post-c .p-meta{font-size:11.5px;color:var(--gray-l);font-weight:600;margin-bottom:9px}
.post-c h4{font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:800;font-size:16px;line-height:1.75;margin-bottom:8px}
.post-c p{color:var(--gray-t);font-size:13px;line-height:1.95;margin-bottom:14px;flex:1}
.post-c .p-more{font-size:12.5px;font-weight:700;color:var(--blue)}
.posts-empty{
  text-align:center;color:var(--gray-t);font-size:13.5px;
  background:#F8F8FA;border-radius:18px;padding:36px;line-height:2;
}
/* المقال المميز (الأحدث) */
.post-feat{
  grid-column:1/-1;display:flex;height:340px;
}
.post-feat .p-cover{flex:1.25;height:100%}
.post-feat .p-body{flex:1;justify-content:center;padding:34px 36px}
.post-feat h4{font-size:clamp(19px,2.4vw,25px);line-height:1.7}
.post-feat p{font-size:14px;line-height:2.05;flex:0}
.post-feat .p-tag{
  width:fit-content;font-size:10.5px;font-weight:800;color:var(--blue);
  background:#EDEEF2;border-radius:16px;padding:4px 13px;margin-bottom:12px;
}
@media(max-width:760px){
  .post-feat{flex-direction:column;height:auto}
  .post-feat .p-cover{height:210px;flex:none}
  .post-feat .p-body{padding:22px}
}

/* ===== صفحة المقال (قراءة مريحة) ===== */
.read-progress{
  position:fixed;top:0;right:0;height:3px;width:0%;z-index:99;
  background:var(--blue);transition:width .1s linear;border-radius:0 0 0 3px;
}
.article{max-width:760px;margin:0 auto;padding:48px 5vw 20px;width:100%}
.article h1{
  font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:800;
  font-size:clamp(24px,3.6vw,37px);line-height:1.7;margin-bottom:18px;
}
.a-author{
  display:flex;align-items:center;gap:12px;margin-bottom:26px;
}
.a-author .av{
  width:44px;height:44px;border-radius:50%;overflow:hidden;background:var(--hero-bg);
  display:flex;align-items:center;justify-content:center;font-size:20px;flex-shrink:0;
}
.a-author .av img{width:100%;height:100%;object-fit:cover;object-position:top;filter:grayscale(1)}
.a-author .nm{font-size:13.5px;font-weight:700;font-family:'Thmanyah Sans','Alexandria',sans-serif}
.a-author .mt{font-size:12px;color:var(--gray-l);font-weight:600;margin-top:2px}
.a-cover{
  position:relative;border-radius:20px;overflow:hidden;margin-bottom:36px;
  height:clamp(220px,36vw,390px);
  background:var(--hero-bg);display:flex;align-items:center;justify-content:center;
}
.a-cover img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.a-cover .p-fb{font-size:64px}
.article .a-body{font-size:16px;line-height:2.35;color:#20263A;max-width:680px}
.article .a-body p{margin-bottom:24px}
.article .a-body h2{
  font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:800;font-size:21.5px;
  margin:40px 0 16px;line-height:1.7;position:relative;padding-right:16px;
}
.article .a-body h2::before{
  content:'';position:absolute;right:0;top:.35em;bottom:.35em;width:4.5px;
  border-radius:3px;background:var(--blue);
}
.article .a-body ul{margin:0 24px 24px 0}
.article .a-body li{margin-bottom:10px}
.article .a-body blockquote{
  border-right:3.5px solid var(--blue);padding:16px 22px;margin:0 0 24px;
  color:#3A4056;background:#F6F7FA;border-radius:0 14px 14px 0;
  font-size:16.5px;font-weight:600;line-height:2.2;
  font-family:'Thmanyah Sans','Alexandria',sans-serif;
}
.a-foot-author{
  max-width:760px;margin:44px auto 0;padding:0 5vw;width:100%;
}
.a-foot-author .box{
  display:flex;gap:18px;align-items:center;background:#F6F7FA;
  border-radius:20px;padding:24px 26px;
}
.a-foot-author .av{
  width:64px;height:64px;border-radius:50%;overflow:hidden;flex-shrink:0;
  background:var(--hero-bg);display:flex;align-items:center;justify-content:center;font-size:28px;
}
.a-foot-author .av img{width:100%;height:100%;object-fit:cover;object-position:top;filter:grayscale(1)}
.a-foot-author b{font-family:'Thmanyah Sans','Alexandria',sans-serif;font-size:15px;display:block;margin-bottom:4px}
.a-foot-author span{font-size:12.5px;color:var(--gray-t);line-height:1.9}
.a-cta{
  max-width:720px;margin:30px auto 0;padding:0 5vw;width:100%;
}
.a-cta .box{
  background:var(--hero-bg);border-radius:20px;padding:28px;
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
}
.a-cta b{font-family:'Thmanyah Sans','Alexandria',sans-serif;font-size:15px}
.a-cta span{display:block;font-size:12.5px;color:var(--gray-t);margin-top:4px}
.back-blog{
  display:inline-block;margin-bottom:26px;font-size:12.5px;font-weight:700;
  color:var(--gray-t);text-decoration:none;
}
.back-blog:hover{color:var(--blk)}

/* ===== زر ===== */
.pbtn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  background:var(--blk);color:#fff;font-weight:700;font-size:14px;
  font-family:'Thmanyah Sans','Alexandria',sans-serif;
  padding:14px 28px;border:none;border-radius:14px;cursor:pointer;text-decoration:none;
  transition:transform .18s, background .18s, box-shadow .18s;
}
.pbtn:hover{background:#23252f;transform:translateY(-2px);box-shadow:0 12px 30px rgba(12,13,18,.22)}
.pbtn.blue{background:#fff;color:var(--blk);border:1.5px solid var(--blk)}
.pbtn.blue:hover{background:var(--blk);color:#fff}

/* ===== النشرة ===== */
.news{
  background:var(--blk);border-radius:24px;color:#fff;
  padding:52px 44px;text-align:center;position:relative;overflow:hidden;
}
.news::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(55% 100% at 50% 0%, rgba(255,255,255,.10), transparent 65%);
}
.news>*{position:relative}
.news h3{font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:800;font-size:clamp(19px,2.6vw,26px);margin-bottom:10px}
.news p{color:rgba(255,255,255,.6);font-size:13.5px;line-height:2;margin-bottom:26px}
.news-form{
  display:flex;gap:10px;max-width:440px;margin:0 auto;
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:60px;padding:6px;
}
.news-form input{
  flex:1;background:none;border:none;outline:none;color:#fff;
  font-family:inherit;font-size:13.5px;padding:10px 18px;direction:ltr;text-align:left;
}
.news-form input::placeholder{color:rgba(255,255,255,.4);text-align:right;direction:rtl}
.news-form button{
  background:#fff;color:var(--blk);border:none;border-radius:50px;
  font-family:'Thmanyah Sans','Alexandria',sans-serif;font-weight:700;font-size:13px;
  padding:12px 26px;cursor:pointer;transition:background .2s;
}
.news-form button:hover{background:#E7E8EC}
.news .ok{color:#4ADE80;font-weight:700;font-size:14px;margin-top:14px}
@media(max-width:480px){
  .news{padding:36px 22px}
  .news-form{flex-direction:column;background:none;border:none;padding:0;gap:8px}
  .news-form input{
    background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
    border-radius:14px;padding:13px 16px;width:100%;
  }
  .news-form button{width:100%;padding:13px;border-radius:14px}
}

/* ===== الفوتر ===== */
.ftr{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
  padding:26px 4vw;margin-top:60px;border-top:1.5px solid #ECEDF1;
  font-size:12.5px;color:var(--gray-t);
}
.ftr .fl{display:flex;gap:20px;flex-wrap:wrap}
.ftr a{color:var(--gray-t);text-decoration:none;font-weight:600}
.ftr a:hover{color:var(--blk)}

/* ===== وسائط داخل المقال (v11) ===== */
.a-body .a-img{margin:0 0 26px}
.a-body .a-img img{width:100%;border-radius:16px;display:block}
.a-body .a-img figcaption{font-size:12px;color:var(--gray-l);margin-top:8px;text-align:center}
.a-body .a-audio{margin:0 0 26px;background:#F6F7FA;border:1.5px solid #ECEDF1;border-radius:14px;padding:12px}
.a-body .a-audio audio{width:100%;display:block}
.a-cat{
  display:inline-block;font-size:11px;font-weight:800;color:var(--gray-t);
  background:#F2F3F6;border-radius:16px;padding:5px 14px;margin-bottom:14px;
}
/* فلاتر فئات المدونة */
.blog-filters{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:-14px 0 34px}
.bf-chip{
  font-family:inherit;font-size:12.5px;font-weight:700;cursor:pointer;
  padding:9px 20px;border-radius:40px;border:1.5px solid #ECEDF1;background:#fff;color:var(--gray-t);
  transition:all .18s cubic-bezier(.2,0,0,1);
}
.bf-chip:hover{border-color:var(--blk);color:var(--blk)}
.bf-chip.on{background:var(--blk);border-color:var(--blk);color:#fff}
.post-c .p-cat{
  position:absolute;top:12px;right:12px;z-index:2;font-size:10.5px;font-weight:800;
  background:rgba(255,255,255,.92);backdrop-filter:blur(6px);color:var(--blk);
  padding:5px 13px;border-radius:16px;
}