:root{
  --bg:#f6f6f3;
  --surface:#ffffff;
  --surface-alt:#eef0ec;
  --border:#e3e4de;
  --ink:#131e29;
  --ink-muted:#5c6670;
  --navy:#0f2540;
  --navy-2:#1b3f63;
  --gold:#a97b2f;
  --gold-soft:#c99a4a;
  --gold-bg:#f7ecd8;
  --teal:#2f7d76;
  --radius:10px;
  --radius-sm:6px;
  --shadow-sm:0 2px 10px rgba(15,37,64,.05);
  --shadow-md:0 10px 30px rgba(15,37,64,.09);
  --shadow-lg:0 20px 50px rgba(15,37,64,.14);
  --font-display:'Cairo',sans-serif;
  --font-body:'Tajawal',sans-serif;
  --font-mono:'JetBrains Mono',monospace;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-body);
  line-height:1.75;
}
::selection{background:var(--gold-bg);color:var(--navy);}
.wrap{max-width:1180px;margin:0 auto;padding:0 28px;}

/* ---------- NAV ---------- */
header{
  position:fixed;top:0;inset-inline:0;z-index:100;
  background:rgba(246,246,243,.9);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s;
}
header.scrolled{box-shadow:var(--shadow-sm);}
nav.wrap{display:flex;align-items:center;justify-content:space-between;height:76px;gap:16px;}
.brand{display:flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:800;font-size:1.15rem;color:var(--navy);white-space:nowrap;}
.brand-mark{height:34px;width:auto;flex-shrink:0;}
.navlinks{display:flex;gap:8px;list-style:none;align-items:center;}
.navlinks a{color:var(--ink-muted);text-decoration:none;font-size:.92rem;font-weight:600;padding:8px 14px;border-radius:999px;transition:all .2s;white-space:nowrap;}
.navlinks a:hover{color:var(--navy);background:var(--surface-alt);}
.nav-right{display:flex;align-items:center;gap:14px;}
.lang-switch{
  display:flex;border:1px solid var(--border);border-radius:999px;font-family:var(--font-mono);font-size:.76rem;
  overflow:hidden;flex-shrink:0;background:var(--surface);
}
.lang-switch button{background:none;border:none;color:var(--ink-muted);padding:7px 14px;cursor:pointer;font-family:var(--font-mono);font-size:.76rem;}
.lang-switch button.active{background:var(--navy);color:#fff;font-weight:600;}
.nav-toggle{display:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--navy);width:42px;height:42px;font-size:1.2rem;cursor:pointer;flex-shrink:0;}

/* ---------- HERO ---------- */
.hero{min-height:92vh;display:flex;align-items:center;position:relative;padding-top:76px;overflow:hidden;border-top:none;}
.hero::before{
  content:'';position:absolute;inset-inline-end:-10%;top:-10%;width:60%;height:120%;
  background:radial-gradient(circle, var(--gold-bg) 0%, transparent 65%);
  opacity:.7;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;width:100%;position:relative;z-index:1;}
.eyebrow{
  font-family:var(--font-mono);font-size:.76rem;letter-spacing:.06em;
  color:var(--teal);text-transform:uppercase;margin-bottom:18px;display:inline-flex;align-items:center;gap:10px;
  background:#eaf4f2;padding:7px 14px;border-radius:999px;
}
.hero h1{font-family:var(--font-display);font-weight:900;font-size:clamp(2.2rem,4.6vw,3.6rem);line-height:1.2;margin-bottom:18px;color:var(--navy);}
.hero h1 span{color:var(--gold);}
.hero-role{font-size:1.1rem;color:var(--ink-muted);margin-bottom:6px;font-weight:500;}
.hero-role b{color:var(--navy);font-weight:800;}
.hero-desc{color:var(--ink-muted);max-width:520px;margin:22px 0 32px;font-size:1.02rem;}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  font-family:var(--font-body);font-weight:700;font-size:.94rem;
  padding:14px 28px;border-radius:var(--radius-sm);border:1px solid transparent;
  cursor:pointer;text-decoration:none;display:inline-flex;align-items:center;gap:8px;
  transition:all .2s;
}
.btn.solid{background:var(--navy);color:#fff;box-shadow:var(--shadow-sm);}
.btn.solid:hover{background:var(--navy-2);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn.gold{background:var(--gold);color:#fff;box-shadow:var(--shadow-sm);}
.btn.gold:hover{background:var(--gold-soft);box-shadow:var(--shadow-md);transform:translateY(-1px);}
.btn.ghost{border-color:var(--border);color:var(--ink-muted);background:var(--surface);}
.btn.ghost:hover{border-color:var(--navy);color:var(--navy);}

.hero-stats{display:flex;gap:0;margin-top:44px;padding-top:26px;border-top:1px solid var(--border);flex-wrap:wrap;}
.stat{padding-inline-start:32px;margin-inline-start:32px;border-inline-start:1px solid var(--border);}
.stat:first-child{padding-inline-start:0;margin-inline-start:0;border:none;}
.stat b{display:block;font-family:var(--font-display);font-size:1.6rem;color:var(--navy);font-weight:800;}
.stat span{font-size:.8rem;color:var(--ink-muted);}

.hero-emblem{position:relative;display:flex;align-items:center;justify-content:center;}
.hero-card{
  background:var(--surface);border:1px solid var(--border);border-radius:20px;
  padding:56px 40px;box-shadow:var(--shadow-lg);position:relative;width:100%;max-width:420px;
  display:flex;flex-direction:column;align-items:center;text-align:center;
}
.hero-card::before{
  content:'';position:absolute;top:-1px;inset-inline:20px;height:4px;border-radius:0 0 6px 6px;
  background:linear-gradient(90deg, var(--gold), var(--teal));
}
.hero-logo{height:170px;width:auto;object-fit:contain;margin-bottom:22px;}
.hero-card-title{font-family:var(--font-display);font-weight:800;color:var(--navy);font-size:1.05rem;margin-bottom:6px;}
.hero-card-sub{font-family:var(--font-mono);font-size:.75rem;color:var(--ink-muted);letter-spacing:.05em;}

/* ---------- SECTION SHARED ---------- */
section{padding:100px 0;position:relative;border-top:1px solid var(--border);}
section#experience,section#skills,section#certs,section#awards{background:var(--surface-alt);}
.sec-head{margin-bottom:52px;max-width:640px;}
.sec-tag{font-family:var(--font-mono);font-size:.76rem;color:var(--teal);letter-spacing:.06em;text-transform:uppercase;display:flex;align-items:center;gap:10px;margin-bottom:14px;font-weight:600;}
.sec-tag::before{content:'';width:22px;height:2px;background:var(--gold);border-radius:2px;}
.sec-head h2{font-family:var(--font-display);font-size:clamp(1.7rem,3vw,2.3rem);font-weight:800;color:var(--navy);}
.sec-head p{color:var(--ink-muted);margin-top:14px;}

/* ---------- ABOUT ---------- */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start;}
.about-text p{color:var(--ink-muted);margin-bottom:18px;font-size:1.02rem;}
.about-text strong{color:var(--navy);}
.about-side{border:1px solid var(--border);border-radius:var(--radius);padding:30px;background:var(--surface);box-shadow:var(--shadow-sm);}
.about-side h3{font-family:var(--font-mono);font-size:.8rem;color:var(--gold);text-transform:uppercase;letter-spacing:.05em;margin-bottom:20px;font-weight:700;}
.info-row{display:flex;justify-content:space-between;gap:12px;padding:13px 0;border-bottom:1px solid var(--border);font-size:.92rem;}
.info-row:last-child{border:none;padding-bottom:0;}
.info-row span:first-child{color:var(--ink-muted);}
.info-row span:last-child{font-weight:600;color:var(--navy);}
.ltr-mono{font-family:var(--font-mono);font-size:.85rem;direction:ltr;unicode-bidi:isolate;}

/* ---------- TIMELINE ---------- */
.timeline{position:relative;}
.timeline::before{content:'';position:absolute;top:6px;bottom:6px;inset-inline-start:13px;width:2px;background:var(--border);}
.tl-item{position:relative;padding-inline-start:52px;padding-bottom:48px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{position:absolute;inset-inline-start:0;top:2px;width:28px;height:28px;border-radius:50%;border:2px solid var(--gold);background:var(--surface);display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-sm);}
.tl-dot::after{content:'';width:8px;height:8px;border-radius:50%;background:var(--gold);}
.tl-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:22px 26px;box-shadow:var(--shadow-sm);}
.tl-date{font-family:var(--font-mono);font-size:.76rem;color:var(--teal);margin-bottom:8px;font-weight:600;}
.tl-item h3{font-family:var(--font-display);font-size:1.15rem;font-weight:700;margin-bottom:4px;color:var(--navy);}
.tl-item .tl-org{color:var(--gold);font-size:.88rem;margin-bottom:14px;font-weight:600;}
.tl-item ul{color:var(--ink-muted);font-size:.91rem;padding-inline-start:18px;}
.tl-item li{margin-bottom:7px;}
.tl-toggle{color:var(--teal);font-family:var(--font-mono);font-size:.76rem;cursor:pointer;margin-top:12px;display:inline-block;font-weight:600;}
.tl-toggle:hover{text-decoration:underline;}
.tl-item .tl-full{display:none;}
.tl-item.open .tl-full{display:block;}

/* ---------- SKILLS ---------- */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.skill-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);transition:box-shadow .2s,transform .2s;}
.skill-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
.skill-card h4{font-family:var(--font-display);font-size:1rem;color:var(--navy);margin-bottom:14px;display:flex;align-items:center;gap:10px;font-weight:700;}
.skill-card h4::before{content:'';width:9px;height:9px;border-radius:2px;background:var(--gold);flex-shrink:0;}
.skill-card p{color:var(--ink-muted);font-size:.85rem;font-family:var(--font-mono);line-height:1.95;direction:ltr;text-align:start;unicode-bidi:isolate;}

/* ---------- CERTS / AWARDS ---------- */
.chip-grid{display:flex;flex-wrap:wrap;gap:10px;}
.chip{border:1px solid var(--border);background:var(--surface);padding:11px 18px;border-radius:999px;font-size:.85rem;color:var(--ink-muted);box-shadow:var(--shadow-sm);}
.chip b{color:var(--navy);font-weight:700;}

.award-list{display:grid;gap:14px;}
.award-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px 26px;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap;box-shadow:var(--shadow-sm);}
.award-item span:first-child{font-size:.94rem;color:var(--ink);}
.award-item span:last-child{font-family:var(--font-mono);color:#fff;background:var(--gold);padding:4px 12px;border-radius:999px;font-size:.78rem;white-space:nowrap;font-weight:700;}

/* ---------- PROJECTS ---------- */
.projects-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.p-card{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);cursor:pointer;transition:box-shadow .2s,transform .2s;padding:28px 26px;box-shadow:var(--shadow-sm);}
.p-card:hover{border-color:var(--gold-soft);box-shadow:var(--shadow-md);transform:translateY(-3px);}
.p-icon{width:46px;height:46px;border-radius:var(--radius-sm);background:var(--gold-bg);display:flex;align-items:center;justify-content:center;margin-bottom:18px;color:var(--gold);}
.p-icon svg{width:23px;height:23px;}
.p-tag{font-family:var(--font-mono);font-size:.7rem;color:var(--teal);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-weight:700;}
.p-card h4{font-family:var(--font-display);font-size:1.06rem;margin-bottom:10px;color:var(--navy);font-weight:700;}
.p-card p{color:var(--ink-muted);font-size:.87rem;}
.p-more{color:var(--gold);font-family:var(--font-mono);font-size:.76rem;margin-top:16px;display:inline-block;font-weight:700;}

/* ---------- VIDEOS ---------- */
.videos-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.v-card{border:1px solid var(--border);background:var(--surface);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-sm);}
.v-frame{position:relative;width:100%;aspect-ratio:16/9;background:var(--surface-alt);}
.v-frame iframe{position:absolute;inset:0;width:100%;height:100%;border:none;}
.v-body{padding:18px 20px;}
.v-body h4{font-family:var(--font-display);font-size:1rem;margin-bottom:6px;color:var(--navy);}
.v-body p{color:var(--ink-muted);font-size:.84rem;}
.videos-empty{grid-column:1/-1;border:1.5px dashed var(--border);border-radius:var(--radius);padding:60px 20px;text-align:center;color:var(--ink-muted);background:var(--surface);}
.videos-empty b{display:block;color:var(--navy);font-family:var(--font-display);font-size:1.1rem;margin-bottom:10px;}

/* ---------- GALLERY ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.g-tile{position:relative;display:block;border-radius:var(--radius);overflow:hidden;aspect-ratio:1/1;box-shadow:var(--shadow-sm);background:var(--surface-alt);}
.g-tile img{width:100%;height:100%;object-fit:cover;display:block;transition:transform .35s;}
.g-tile:hover img{transform:scale(1.06);}
.g-tile-overlay{position:absolute;inset:0;background:linear-gradient(180deg, transparent 40%, rgba(15,37,64,.82) 100%);
  display:flex;flex-direction:column;justify-content:flex-end;padding:14px;opacity:0;transition:opacity .25s;}
.g-tile:hover .g-tile-overlay{opacity:1;}
.g-tile-cat{font-family:var(--font-mono);font-size:.66rem;color:var(--gold-soft);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px;}
.g-tile-title{color:#fff;font-family:var(--font-display);font-size:.88rem;font-weight:700;}
.g-tile-zoom{position:absolute;top:12px;inset-inline-end:12px;width:32px;height:32px;border-radius:50%;background:rgba(255,255,255,.92);
  display:flex;align-items:center;justify-content:center;color:var(--navy);opacity:0;transform:scale(.8);transition:all .25s;}
.g-tile:hover .g-tile-zoom{opacity:1;transform:scale(1);}
.g-tile-zoom svg{width:15px;height:15px;}
.gallery-empty{grid-column:1/-1;border:1.5px dashed var(--border);border-radius:var(--radius);padding:60px 20px;text-align:center;color:var(--ink-muted);background:var(--surface);}
.gallery-empty b{display:block;color:var(--navy);font-family:var(--font-display);font-size:1.1rem;margin-bottom:10px;}

/* ---------- CONTACT (redesigned as cards) ---------- */
.contact-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;}
.contact-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.contact-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow-sm);text-decoration:none;color:var(--ink);
  display:flex;flex-direction:column;gap:6px;transition:all .2s;
}
a.contact-card:hover{border-color:var(--gold-soft);box-shadow:var(--shadow-md);transform:translateY(-2px);}
.cc-icon{width:38px;height:38px;border-radius:var(--radius-sm);background:var(--gold-bg);color:var(--gold);
  display:flex;align-items:center;justify-content:center;margin-bottom:8px;}
.cc-icon svg{width:19px;height:19px;}
.cc-label{color:var(--ink-muted);font-size:.8rem;}
.cc-value{color:var(--navy);font-weight:700;font-size:.98rem;}
.cta-panel{background:var(--navy);border-radius:16px;padding:36px;display:flex;flex-direction:column;justify-content:center;box-shadow:var(--shadow-lg);position:relative;overflow:hidden;}
.cta-panel::before{content:'';position:absolute;inset-inline-end:-30%;top:-30%;width:70%;height:70%;background:radial-gradient(circle, rgba(169,123,47,.35), transparent 70%);}
.cta-panel h3{font-family:var(--font-display);font-size:1.4rem;margin-bottom:14px;color:#fff;position:relative;}
.cta-panel p{color:#c3ccd6;margin-bottom:26px;position:relative;}
.cta-panel .btn{position:relative;align-self:flex-start;}

footer{background:var(--navy);padding:38px 0;text-align:center;color:#8a97a8;font-size:.85rem;font-family:var(--font-mono);}

/* ---------- MODAL (project detail) ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(15,37,64,.55);z-index:1000;display:none;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(3px);}
.modal-overlay.show{display:flex;}
.modal{background:var(--surface);border-radius:16px;max-width:560px;width:100%;max-height:88vh;overflow-y:auto;padding:38px;position:relative;box-shadow:var(--shadow-lg);}
.modal-close{position:absolute;top:22px;inset-inline-start:22px;background:var(--surface-alt);border:none;border-radius:50%;width:32px;height:32px;color:var(--ink-muted);font-size:1.2rem;cursor:pointer;}
.modal-close:hover{color:var(--navy);}
.modal .p-icon{margin-bottom:20px;}
.modal h3{font-family:var(--font-display);font-size:1.35rem;margin-bottom:14px;color:var(--navy);}
.modal p{color:var(--ink-muted);font-size:.96rem;margin-bottom:10px;}
.modal .p-tag{margin-bottom:16px;}

/* ---------- RESPONSIVE ---------- */
@media(max-width:1080px){
  .navlinks{display:none;}
  .nav-toggle{display:block;}
  .navlinks.open{
    display:flex;position:absolute;top:76px;inset-inline:0;background:var(--surface);
    flex-direction:column;padding:16px 28px;gap:6px;border-bottom:1px solid var(--border);align-items:stretch;box-shadow:var(--shadow-md);
  }
  .navlinks.open a{padding:12px 14px;}
}
@media(max-width:900px){
  .hero-grid{grid-template-columns:1fr;}
  .hero-emblem{order:-1;}
  .hero-card{max-width:100%;padding:40px 30px;}
  .about-grid{grid-template-columns:1fr;}
  .skills-grid{grid-template-columns:1fr;}
  .projects-grid{grid-template-columns:repeat(2,1fr);}
  .gallery-grid{grid-template-columns:repeat(3,1fr);}
  .videos-grid{grid-template-columns:1fr;}
  .contact-layout{grid-template-columns:1fr;}
  .contact-cards{grid-template-columns:repeat(2,1fr);}
  .hero-stats{flex-wrap:wrap;gap:20px;}
  .stat{border:none;margin:0;padding:0;}
}
@media(max-width:560px){
  .projects-grid{grid-template-columns:1fr;}
  .gallery-grid{grid-template-columns:repeat(2,1fr);}
  .contact-cards{grid-template-columns:1fr;}
  .award-item{flex-direction:column;align-items:flex-start;gap:10px;}
  nav.wrap{flex-wrap:wrap;height:auto;padding:12px 20px;}
  .hero-logo{height:120px;}
  section{padding:70px 0;}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none!important;}
}