/* مركز أيرند — أنماط المنصة */
@font-face{font-family:Cairo;font-weight:400;font-display:swap;src:url(fonts/cairo-arabic-400-normal.woff2);unicode-range:U+0600-06FF,U+0750-077F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Cairo;font-weight:700;font-display:swap;src:url(fonts/cairo-arabic-700-normal.woff2);unicode-range:U+0600-06FF,U+0750-077F,U+FB50-FDFF,U+FE70-FEFF}
@font-face{font-family:Cairo;font-weight:400;font-display:swap;src:url(fonts/cairo-latin-400-normal.woff2);unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:Cairo;font-weight:700;font-display:swap;src:url(fonts/cairo-latin-700-normal.woff2);unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:Amiri;font-weight:400;font-display:swap;src:url(fonts/amiri-arabic-400-normal.woff2)}
@font-face{font-family:Amiri;font-weight:700;font-display:swap;src:url(fonts/amiri-arabic-700-normal.woff2)}
@font-face{font-family:Ruqaa;font-weight:700;font-display:swap;src:url(fonts/aref-ruqaa-arabic-700-normal.woff2)}

:root{
  --navy:#0b2c5c;--blue:#0f68b0;--blue-d:#0a4a80;--gold:#c9962b;--gold-l:#f3d77a;
  --ink:#17274d;--muted:#5b6784;--line:#e3e8f1;--bg:#ffffff;--soft:#f5f8fc;--ok:#1d7a4d;--warn:#b26a00;
  --r:14px;--shadow:0 8px 28px rgba(11,44,92,.10);--wrap:1160px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:Cairo,system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:16px;-webkit-font-smoothing:antialiased}
a{color:var(--blue);text-decoration:none}
a:hover{color:var(--navy)}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.skip{position:absolute;top:-60px;right:12px;background:var(--navy);color:#fff;padding:8px 14px;border-radius:8px;z-index:99}
.skip:focus{top:10px}
:focus-visible{outline:3px solid var(--gold);outline-offset:2px;border-radius:6px}

/* header */
.hdr{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.hdr .wrap{display:flex;align-items:center;gap:22px;height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
.brand img{height:46px;width:auto}
.nav{display:flex;gap:4px;margin-inline-start:auto}
.nav a{padding:8px 14px;border-radius:10px;color:var(--ink);font-weight:700;font-size:15px}
.nav a:hover,.nav a[aria-current=page]{background:var(--soft);color:var(--blue)}
.hdr .by{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);border-inline-start:1px solid var(--line);padding-inline-start:16px}
.hdr .by img{height:26px}
.menu-btn{display:none;margin-inline-start:auto;background:none;border:1px solid var(--line);border-radius:10px;padding:8px 12px;font:700 14px Cairo;color:var(--navy);cursor:pointer}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 22px;border-radius:12px;font:700 15px Cairo;border:1.5px solid transparent;cursor:pointer;transition:.18s;text-align:center}
.btn.pri{background:linear-gradient(180deg,#1478c8,#0b5a9c);color:#fff;box-shadow:0 6px 16px rgba(15,104,176,.28)}
.btn.pri:hover{transform:translateY(-1px);color:#fff;box-shadow:0 10px 22px rgba(15,104,176,.34)}
.btn.sec{background:#fff;border-color:var(--line);color:var(--navy)}
.btn.sec:hover{border-color:var(--blue);color:var(--blue)}
.btn.gold{background:linear-gradient(180deg,#e7bd5a,#c9962b);color:#3d2a00}
.btn.sm{padding:8px 14px;font-size:13.5px;border-radius:10px}

/* hero */
.hero{position:relative;overflow:hidden;background:radial-gradient(1200px 420px at 85% -10%,#e7f1fb 0,transparent 60%),linear-gradient(#fff,#f7fafd)}
.hero .wrap{display:grid;grid-template-columns:1.25fr .75fr;gap:30px;align-items:center;padding-top:54px;padding-bottom:50px}
.eyebrow{display:inline-block;color:var(--gold);font-weight:700;font-size:14px;letter-spacing:.2px;padding:4px 12px;border:1px solid #ecd9a6;border-radius:999px;background:#fffaf0;margin-bottom:14px}
.hero h1{font-size:clamp(30px,4.2vw,48px);line-height:1.35;color:var(--navy);font-weight:700}
.hero h1 em{font-style:normal;color:var(--blue)}
.hero p.lead{font-size:18px;color:var(--muted);margin:16px 0 26px;max-width:620px}
.hero .cta{display:flex;gap:12px;flex-wrap:wrap}
.hero .art{display:flex;justify-content:center}
.hero .art img{width:min(300px,70%);mix-blend-mode:multiply}

/* stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:-26px;position:relative;z-index:2}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;box-shadow:var(--shadow);text-align:center}
.stat b{display:block;font-size:34px;line-height:1.2;color:var(--navy)}
.stat span{font-size:14px;color:var(--muted)}

/* sections */
section.sec{padding:64px 0}
section.sec.soft{background:var(--soft)}
.sec-h{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap}
.sec-h h2{font-size:28px;color:var(--navy);line-height:1.4}
.sec-h p{color:var(--muted);max-width:620px}
.gold-rule{width:64px;height:4px;border-radius:4px;background:linear-gradient(90deg,var(--gold),var(--gold-l));margin-top:8px}

/* cards */
.grid{display:grid;gap:18px;grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;display:flex;flex-direction:column;gap:10px;transition:.18s;position:relative}
.card:hover{border-color:#bcd3ea;box-shadow:var(--shadow);transform:translateY(-2px)}
.card .meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--muted)}
.tag{display:inline-block;padding:2px 10px;border-radius:999px;background:#eaf3fb;color:var(--blue-d);font-weight:700;font-size:12.5px}
.tag.gold{background:#fdf3d9;color:#8a6200}
.card h3{font-size:16px;line-height:1.5;color:var(--navy);direction:ltr;text-align:left;font-weight:700}
.card .au{font-size:12.5px;color:var(--muted);direction:ltr;text-align:left;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden}
.card p{font-size:14.5px;color:var(--ink);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;padding-top:8px;border-top:1px dashed var(--line);font-size:13px}
.card a.stretch::after{content:"";position:absolute;inset:0}
.badge{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:700;color:var(--ok)}
.badge::before{content:"";width:16px;height:16px;border-radius:50%;background:var(--ok) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'><path d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/12px no-repeat}

.topics{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.topic{display:flex;flex-direction:column;gap:4px;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;color:var(--ink);transition:.18s}
.topic:hover{border-color:var(--blue);box-shadow:var(--shadow)}
.topic b{font-size:16px;color:var(--navy)}
.topic span{font-size:13px;color:var(--muted)}
.topic i{font-style:normal;font-size:26px;font-weight:700;color:var(--blue)}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;counter-reset:s}
.step{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;position:relative}
.step::before{counter-increment:s;content:counter(s);position:absolute;top:-14px;inset-inline-start:18px;width:30px;height:30px;border-radius:50%;background:linear-gradient(180deg,#e7bd5a,#c9962b);color:#3d2a00;font-weight:700;display:grid;place-items:center}
.step h3{font-size:17px;color:var(--navy);margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted)}

.three{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.vm{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px}
.vm h3{color:var(--navy);margin-bottom:6px;font-size:18px}
.vm p{color:var(--muted);font-size:15px}
.goals{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.goal{background:#fff;border-inline-start:4px solid var(--gold);border-radius:10px;padding:14px 16px;border-top:1px solid var(--line);border-bottom:1px solid var(--line);border-inline-end:1px solid var(--line)}
.goal b{display:block;color:var(--navy);font-size:15px}
.goal span{font-size:13.5px;color:var(--muted)}

.cmt-strip{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.mem{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px 10px;text-align:center}
.mem .av{width:54px;height:54px;border-radius:50%;margin:0 auto 8px;display:grid;place-items:center;font-weight:700;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));font-size:20px}
.mem.chair .av{background:linear-gradient(135deg,#e7bd5a,#b9801a);color:#3d2a00}
.mem b{display:block;font-size:14px;color:var(--navy);direction:ltr}
.mem b.ar{direction:rtl}
.mem span{font-size:12px;color:var(--muted);display:block;line-height:1.5}

/* library */
.page-h{background:linear-gradient(#f3f8fd,#fff);padding:38px 0 8px;border-bottom:1px solid var(--line)}
.page-h h1{font-size:34px;color:var(--navy)}
.page-h p{color:var(--muted)}
.tools{display:grid;grid-template-columns:2fr 1fr 1fr 1fr 1fr;gap:10px;margin:22px 0 14px}
.tools input,.tools select{width:100%;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;font:400 15px Cairo;color:var(--ink);background:#fff}
.tools input:focus,.tools select:focus{border-color:var(--blue);outline:none;box-shadow:0 0 0 3px rgba(15,104,176,.15)}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:6px}
.chip{border:1.5px solid var(--line);background:#fff;color:var(--ink);padding:6px 14px;border-radius:999px;font:700 13.5px Cairo;cursor:pointer}
.chip[aria-pressed=true]{background:var(--navy);border-color:var(--navy);color:#fff}
.count{color:var(--muted);font-size:14px;margin:12px 0 18px}
.empty{text-align:center;padding:50px 0;color:var(--muted)}
.more{display:flex;justify-content:center;margin:30px 0 10px}

/* paper */
.pp{display:grid;grid-template-columns:1fr 330px;gap:34px;padding:34px 0 60px;align-items:start}
.crumb{font-size:13.5px;color:var(--muted);margin:22px 0 0}
.pp h1{font-size:28px;line-height:1.45;color:var(--navy);direction:ltr;text-align:left}
.pp .authors{direction:ltr;text-align:left;color:var(--muted);margin:8px 0 14px}
.facts{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0 22px}
.blk{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;margin-bottom:16px}
.blk h2{font-size:18px;color:var(--navy);margin-bottom:8px}
.blk ul{padding-inline-start:22px}
.blk li{margin-bottom:6px}
.side{position:sticky;top:90px;display:flex;flex-direction:column;gap:14px}
.side .box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;text-align:center}
.side .box img.qr{width:170px;height:170px;margin:0 auto 8px;border:1.5px solid #ecd9a6;border-radius:10px;padding:6px}
.side .box img.md{width:96px;margin:0 auto 6px}
.side .btn{width:100%;justify-content:center;margin-top:8px}
.note{font-size:13px;color:var(--muted)}
.ver{border-radius:12px;padding:12px 14px;font-size:14px;background:#effaf4;border:1px solid #c7ecd7;color:#14633d}
.ver.rv{background:#fff6e5;border-color:#f3dcab;color:#8a5200}
.sig-row{display:flex;gap:10px;align-items:center;justify-content:center;font-size:13px;color:var(--muted);margin-top:6px}

/* committee page */
.mgrid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.mcard{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px;display:flex;gap:14px}
.mcard .av{flex:none;width:56px;height:56px;border-radius:50%;display:grid;place-items:center;color:#fff;font-weight:700;font-size:22px;background:linear-gradient(135deg,var(--blue),var(--navy))}
.mcard.chair .av{background:linear-gradient(135deg,#e7bd5a,#b9801a);color:#3d2a00}
.mcard h3{font-size:16px;color:var(--navy);direction:ltr;text-align:right}
.mcard h3.ar{direction:rtl}
.mcard .rl{font-size:13px;color:var(--blue-d);font-weight:700}
.mcard p{font-size:14px;color:var(--muted);margin-top:4px}
.crit{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
table.tb{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;font-size:14px}
table.tb th{background:var(--soft);text-align:right;padding:10px 12px;color:var(--navy);position:sticky;top:70px}
table.tb td{padding:10px 12px;border-top:1px solid var(--line);vertical-align:top}
table.tb td.ltr{direction:ltr;text-align:left}

/* footer */
.ftr{background:var(--navy);color:#cdd9ee;padding:44px 0 20px;margin-top:20px}
.ftr .wrap{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:30px}
.ftr h4{color:#fff;margin-bottom:10px;font-size:16px}
.ftr a{color:#cdd9ee}.ftr a:hover{color:#fff}
.ftr ul{list-style:none}.ftr li{margin-bottom:6px;font-size:14.5px}
.ftr .logo-w{background:#fff;border-radius:12px;padding:8px 12px;display:inline-block;margin-bottom:10px}
.ftr .logo-w img{height:44px}
.ftr .copy{grid-column:1/-1;border-top:1px solid rgba(255,255,255,.15);padding-top:16px;font-size:13px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}

@media (max-width:980px){
  .hero .wrap{grid-template-columns:1fr}.hero .art{order:-1}.hero .art img{width:180px}
  .grid{grid-template-columns:repeat(2,1fr)}.topics{grid-template-columns:repeat(2,1fr)}
  .steps,.crit{grid-template-columns:repeat(2,1fr)}.three,.goals,.mgrid{grid-template-columns:1fr}
  .cmt-strip{grid-template-columns:repeat(4,1fr)}.tools{grid-template-columns:1fr 1fr}.tools input{grid-column:1/-1}
  .pp{grid-template-columns:1fr}.side{position:static}.stats{grid-template-columns:repeat(2,1fr)}
  .ftr .wrap{grid-template-columns:1fr}
  .nav{display:none;position:absolute;top:70px;inset-inline:0;background:#fff;flex-direction:column;padding:10px 20px 16px;border-bottom:1px solid var(--line)}
  .nav.open{display:flex}.menu-btn{display:block}.hdr .by{display:none}
}
@media (max-width:560px){
  .grid,.topics,.steps,.crit{grid-template-columns:1fr}.cmt-strip{grid-template-columns:repeat(2,1fr)}.tools{grid-template-columns:1fr}
  .stat b{font-size:28px}.pp h1{font-size:22px}
}
@media print{.hdr,.ftr,.side .btn,.tools{display:none}}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}