/* =========================================================
   د. هشام البرجي — موقع شخصي
   هوية: حبر داكن + ورق دافئ + نحاسي
   ========================================================= */

@font-face{font-family:"Almarai";src:url("../fonts/Almarai-400-arabic.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Almarai";src:url("../fonts/Almarai-800-arabic.woff2") format("woff2");font-weight:800;font-display:swap}
@font-face{font-family:"PlexA";src:url("../fonts/IBMPlexSansArabic-400-arabic.woff2") format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"PlexA";src:url("../fonts/IBMPlexSansArabic-500-arabic.woff2") format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"PlexA";src:url("../fonts/IBMPlexSansArabic-700-arabic.woff2") format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Markazi";src:url("../fonts/MarkaziText-400-arabic.woff2") format("woff2");font-weight:400;font-display:swap}

/* ================= LATIN SUBSETS (English page) ================= */
@font-face{font-family:"Almarai";src:url("../fonts/Almarai-400-latin.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Almarai";src:url("../fonts/Almarai-800-latin.woff2") format("woff2");font-weight:800;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"PlexA";src:url("../fonts/IBMPlexSansArabic-400-latin.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"PlexA";src:url("../fonts/IBMPlexSansArabic-500-latin.woff2") format("woff2");font-weight:500;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}
@font-face{font-family:"Markazi";src:url("../fonts/MarkaziText-400-latin.woff2") format("woff2");font-weight:400;font-display:swap;unicode-range:U+0000-00FF,U+2000-206F}

:root{
  --ink:#0E0F13;
  --ink-2:#14161C;
  --ink-3:#1B1E26;
  --line:rgba(239,233,223,.10);
  --line-2:rgba(239,233,223,.18);
  --paper:#EFE9DF;
  --paper-dim:#B9B2A6;
  --muted:#8A8579;
  --copper:#C98A4B;
  --copper-2:#E0A667;
  --gold:#D9A441;
  --radius:16px;
  --wrap:1180px;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--ink);
  color:var(--paper);
  font-family:"PlexA","Almarai",system-ui,sans-serif;
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
/* حبيبات ورق خفيفة */
body::before{
  content:"";position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.028;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.wrap{width:min(var(--wrap),calc(100% - 3rem));margin-inline:auto}

h1,h2,h3{font-family:"Almarai",sans-serif;font-weight:800;line-height:1.25;letter-spacing:-.4px}
h2{font-size:clamp(1.9rem,4vw,2.9rem)}
h3{font-size:1.15rem;font-weight:800}

.eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:"PlexA";font-weight:700;font-size:.78rem;letter-spacing:1.4px;
  text-transform:uppercase;color:var(--copper-2);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--copper);box-shadow:0 0 12px var(--copper)}

/* ================= NAV ================= */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;
  transition:background .35s var(--ease),backdrop-filter .35s var(--ease),border-color .35s var(--ease);
  border-bottom:1px solid transparent}
.nav.is-stuck{background:rgba(14,15,19,.86);backdrop-filter:blur(14px);border-bottom-color:var(--line)}
.nav-inner{display:flex;align-items:center;gap:1.6rem;height:72px}
.brand{display:flex;align-items:center;gap:.65rem;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(145deg,var(--copper),#8E5A2C);
  color:#17130E;font-family:"Markazi",serif;font-size:1.35rem;font-weight:400;line-height:1;
  padding-bottom:4px;
}
.brand-text{font-family:"Almarai";font-weight:800;font-size:1rem;letter-spacing:-.2px}
.nav-links{display:flex;align-items:center;gap:1.5rem;margin-inline-start:auto}
.nav-links a{font-size:.92rem;color:var(--paper-dim);transition:color .2s var(--ease);position:relative}
.nav-links a:hover{color:var(--paper)}
.nav-links a::after{content:"";position:absolute;bottom:-6px;right:0;left:0;height:1px;background:var(--copper);transform:scaleX(0);transform-origin:right;transition:transform .28s var(--ease)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cv{
  flex:none;font-size:.85rem;font-weight:700;padding:.55rem 1.1rem;border-radius:999px;
  border:1px solid var(--line-2);color:var(--paper);transition:all .25s var(--ease)
}
.nav-cv:hover{background:var(--copper);border-color:var(--copper);color:#17130E}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;margin-inline-start:auto}
.burger span{width:22px;height:2px;background:var(--paper);border-radius:2px;transition:transform .3s var(--ease),opacity .3s}
.burger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.is-open span:nth-child(2){opacity:0}
.burger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ================= HERO ================= */
.hero{position:relative;padding:150px 0 90px;overflow:hidden}
.hero-glow{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(620px 460px at 82% 8%, rgba(201,138,75,.16), transparent 62%),
    radial-gradient(700px 520px at 8% 92%, rgba(90,110,150,.13), transparent 66%);
}
.hero-letter{
  position:absolute;top:-60px;left:-40px;font-family:"Markazi",serif;
  font-size:min(52vw,620px);line-height:.8;color:rgba(239,233,223,.028);
  pointer-events:none;user-select:none;
}
.hero-inner{position:relative}
.hero h1{
  font-family:"Markazi",serif;font-weight:400;
  font-size:clamp(3.4rem,10vw,7.2rem);line-height:.98;letter-spacing:-2px;
  margin:.8rem 0 1.4rem;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(100deg,var(--copper-2) 0%,var(--gold) 55%,#B8783B 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{max-width:56ch;font-size:1.1rem;color:var(--paper-dim);line-height:1.9}

.hero-actions{display:flex;flex-wrap:wrap;gap:.9rem;margin-top:2.2rem}
.btn{display:inline-flex;align-items:center;gap:.6rem;padding:.85rem 1.5rem;border-radius:999px;
  font-weight:700;font-size:.95rem;transition:all .25s var(--ease);border:1px solid transparent}
.btn svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.btn-solid{background:linear-gradient(135deg,var(--copper-2),#B8783B);color:#17130E;box-shadow:0 18px 40px -18px rgba(201,138,75,.75)}
.btn-solid:hover{transform:translateY(-2px);box-shadow:0 24px 50px -18px rgba(201,138,75,.9)}
.btn-ghost{border-color:var(--line-2);color:var(--paper)}
.btn-ghost:hover{border-color:var(--copper);color:var(--copper-2)}

.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;margin-top:3.6rem;
  background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stats > div{background:var(--ink-2);padding:1.4rem 1.2rem}
.stats dt{font-size:.8rem;color:var(--muted);margin-bottom:.35rem}
.stats dd{font-family:"Almarai";font-weight:800;font-size:2rem;color:var(--copper-2);line-height:1}

/* ================= SECTIONS ================= */
.section{padding:100px 0;position:relative}
.section-alt{background:var(--ink-2);border-block:1px solid var(--line)}
.sec-head{margin-bottom:3rem}
.sec-head h2{margin-top:.7rem}
.sec-sub{margin-top:.9rem;max-width:62ch;color:var(--paper-dim);font-size:1rem}

.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}

/* ================= ABOUT ================= */
.about-grid{display:grid;grid-template-columns:1.55fr .9fr;gap:3rem;align-items:start}
.about-text p{margin-bottom:1.2rem;color:var(--paper-dim);line-height:2}
.about-text p:last-child{margin-bottom:0}
.about-text strong{color:var(--paper);font-weight:700}
.about-card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem}
.about-card h3{margin-bottom:1.2rem;color:var(--copper-2);font-size:1rem;letter-spacing:.5px}
.about-card ul{list-style:none;display:grid;gap:.85rem}
.about-card li{display:flex;flex-direction:column;gap:.15rem;padding-bottom:.85rem;border-bottom:1px dashed var(--line)}
.about-card li:last-child{border:0;padding-bottom:0}
.about-card li span{font-size:.78rem;color:var(--muted)}
.about-card li b{font-weight:700;font-size:.95rem;color:var(--paper)}

/* ================= TIMELINE ================= */
.timeline{list-style:none;position:relative;padding-inline-start:0}
.timeline::before{content:"";position:absolute;top:8px;bottom:8px;right:118px;width:1px;background:var(--line-2)}
.timeline li{display:grid;grid-template-columns:100px 1fr;gap:2.4rem;padding:1.1rem 0;position:relative}
.tl-year{font-family:"Almarai";font-weight:800;font-size:.9rem;color:var(--copper-2);text-align:left;padding-top:.15rem}
.tl-body{position:relative;padding-inline-start:2.4rem}
.tl-body::before{content:"";position:absolute;top:.55rem;right:-2.4rem;width:9px;height:9px;border-radius:50%;
  background:var(--ink-2);border:2px solid var(--copper);transform:translateX(4px);box-shadow:0 0 0 4px var(--ink-2)}
.tl-body h3{margin-bottom:.3rem}
.tl-body p{color:var(--paper-dim);font-size:.95rem;line-height:1.8}

/* ================= PAPERS ================= */
.papers{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.1rem}
.paper{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem;
  transition:transform .3s var(--ease),border-color .3s var(--ease),background .3s var(--ease);position:relative}
.paper:hover{transform:translateY(-4px);border-color:rgba(201,138,75,.42);background:var(--ink-3)}
.paper-year{display:inline-block;font-family:"Almarai";font-weight:800;font-size:.78rem;color:var(--copper-2);
  background:rgba(201,138,75,.12);border:1px solid rgba(201,138,75,.28);border-radius:999px;padding:.15rem .7rem;margin-bottom:.85rem}
.paper h3{font-size:1rem;line-height:1.6;font-weight:700;margin-bottom:.7rem}
.paper-journal{font-size:.83rem;color:var(--muted);line-height:1.7}

.awards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1rem;margin-top:2.4rem}
.award{display:flex;gap:.9rem;align-items:flex-start;background:var(--ink-3);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.2rem 1.3rem}
.award-ico{color:var(--gold);font-size:1.1rem;line-height:1.6}
.award b{display:block;font-size:.95rem;margin-bottom:.15rem}
.award span{font-size:.82rem;color:var(--muted);line-height:1.7}

/* ================= CHIPS ================= */
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.65rem}
.chips li{background:var(--ink-3);border:1px solid var(--line);border-radius:999px;
  padding:.5rem 1.05rem;font-size:.9rem;color:var(--paper-dim);transition:all .22s var(--ease)}
.chips li:hover{border-color:rgba(201,138,75,.45);color:var(--paper)}
.chips-sm li{font-size:.84rem;padding:.42rem .9rem}

/* ================= MEDIA ================= */
.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:1.2rem}
.media-card{background:var(--ink-2);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;
  transition:transform .3s var(--ease),border-color .3s var(--ease)}
.media-card:hover{transform:translateY(-4px);border-color:rgba(201,138,75,.4)}
.media-tag{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.8px;
  color:var(--copper-2);background:rgba(201,138,75,.1);border-radius:6px;padding:.15rem .55rem;margin-bottom:.8rem}
.media-card h3{font-size:1.05rem;margin-bottom:.25rem}
.media-role{font-size:.82rem;color:var(--muted);margin-bottom:1rem}
.media-card ul{list-style:none;display:grid;gap:.4rem}
.media-card li{font-size:.88rem;color:var(--paper-dim);padding-inline-start:1rem;position:relative;line-height:1.7}
.media-card li::before{content:"";position:absolute;right:0;top:.62rem;width:4px;height:4px;border-radius:50%;background:var(--copper)}

/* ================= SKILLS ================= */
.skills-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:2rem}
.skill-col h3{font-size:.95rem;color:var(--copper-2);margin-bottom:1rem;letter-spacing:.4px}

/* ================= CONTACT ================= */
.contact{border-top:1px solid var(--line)}
.contact-inner{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:start}
.contact-text h2{margin-top:.7rem}
.contact-text p{margin-top:1rem;color:var(--paper-dim);max-width:44ch}
.contact-list{list-style:none;display:grid;gap:.8rem}
.ci{display:flex;align-items:center;gap:1rem;background:var(--ink-2);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.05rem 1.2rem;transition:all .25s var(--ease)}
.ci:hover{border-color:rgba(201,138,75,.45);transform:translateX(-4px);background:var(--ink-3)}
.ci-ico{flex:none;width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(201,138,75,.12);color:var(--copper-2);transition:all .25s var(--ease)}
.ci:hover .ci-ico{background:var(--copper);color:#17130E}
.ci-ico svg{width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ci-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:.1rem}
.ci-body b{font-size:.92rem;font-weight:700}
.ci-val{font-size:.85rem;color:var(--copper-2);text-decoration:underline;text-decoration-color:rgba(201,138,75,.35);text-underline-offset:3px}
.ci:hover .ci-val{text-decoration-color:currentColor}
.ci-arrow{flex:none;width:16px;height:16px;fill:none;stroke:currentColor;stroke-width:2;
  stroke-linecap:round;stroke-linejoin:round;color:var(--muted);opacity:0;transform:translate(-4px,4px);transition:all .25s var(--ease)}
.ci:hover .ci-arrow{opacity:1;transform:none;color:var(--copper-2)}

/* ================= FOOTER ================= */
.footer{border-top:1px solid var(--line);padding:1.8rem 0;background:var(--ink-2)}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:1rem;flex-wrap:wrap}
.footer p{font-size:.83rem;color:var(--muted)}
.to-top{font-size:.83rem;color:var(--paper-dim);transition:color .2s}
.to-top:hover{color:var(--copper-2)}

/* ================= LANG TOGGLE ================= */
.lang-toggle{
  flex:none;display:inline-flex;align-items:center;gap:.25rem;
  font-family:"PlexA";font-size:.8rem;font-weight:700;
  padding:.42rem .8rem;border-radius:999px;border:1px solid var(--line-2);
  color:var(--muted);transition:all .25s var(--ease);line-height:1;
}
.lang-toggle:hover{border-color:var(--copper);color:var(--paper)}
.lt-active{color:var(--copper-2)}
.lt-sep{color:var(--line-2);font-weight:400}
.lt-off{color:var(--muted)}
.lang-toggle:hover .lt-off{color:var(--paper)}

/* ================= LTR (English page) ================= */
[dir="ltr"] .timeline::before{right:auto;left:118px}
[dir="ltr"] .tl-year{text-align:right}
[dir="ltr"] .tl-body::before{right:auto;left:-2.4rem;transform:translateX(-4px)}
[dir="ltr"] .ci:hover{transform:translateX(4px)}
[dir="ltr"] .ci-arrow{transform:translate(4px,4px)}
[dir="ltr"] .ci:hover .ci-arrow{transform:none}
[dir="ltr"] .hero-letter{left:auto;right:-40px}
[dir="ltr"] h1,h2,h3{letter-spacing:-.3px}
[dir="ltr"] .hero h1{letter-spacing:-2px}
[dir="ltr"] .nav-links a::after{transform-origin:left}

@media (max-width:980px){
  [dir="ltr"] .timeline::before{left:8px;right:auto}
  [dir="ltr"] .tl-body::before{left:-2rem;right:auto}
}
@media (max-width:760px){
  .lang-toggle{padding:.4rem .7rem;font-size:.75rem}
}

/* ================= RESPONSIVE ================= */
@media (max-width:980px){
  .about-grid,.contact-inner{grid-template-columns:1fr;gap:2.2rem}
  .stats{grid-template-columns:repeat(2,1fr)}
  .timeline::before{right:auto;left:8px}
  .timeline li{grid-template-columns:1fr;gap:.3rem;padding-inline-start:2rem}
  .tl-year{text-align:right}
  .tl-body{padding-inline-start:0}
  .tl-body::before{right:auto;left:-2rem;transform:translateX(-4px)}
}
@media (max-width:760px){
  body{font-size:16px}
  .nav-links{
    position:fixed;inset:72px 0 auto 0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(14,15,19,.98);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);
    padding:1rem 1.5rem 1.5rem;transform:translateY(-140%);transition:transform .35s var(--ease);
  }
  .nav-links.is-open{transform:translateY(0)}
  .nav-links a{padding:.85rem 0;border-bottom:1px solid var(--line);font-size:1rem}
  .nav-links a::after{display:none}
  .nav-cv{display:none}
  .burger{display:flex}
  .hero{padding:120px 0 70px}
  .section{padding:70px 0}
  .paper{padding:1.3rem}
  .stats dd{font-size:1.6rem}
}