/* ── MAHMOUD EL-DEBERKY — SHARED STYLES ── */
:root{
  --bg:#080809;--bg2:#0f0f11;--bg3:#141416;
  --gold:#C4A35A;--gold2:#e8c97a;--cream:#E8E2D4;
  --muted:#7a7468;--border:rgba(196,163,90,0.2);
  --ff-h:'Cormorant Garamond','Georgia',serif;
  --ff-b:'DM Sans','Helvetica Neue',sans-serif;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--cream);font-family:var(--ff-b);font-size:16px;line-height:1.7;overflow-x:hidden;}
body::before{content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");opacity:0.5;}
::-webkit-scrollbar{width:4px;}
::-webkit-scrollbar-track{background:var(--bg);}
::-webkit-scrollbar-thumb{background:var(--gold);border-radius:2px;}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;display:flex;align-items:center;justify-content:space-between;padding:1rem 5vw;background:rgba(8,8,9,0.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);}
.nav-logo{display:flex;align-items:center;text-decoration:none;transition:opacity .2s;}
.nav-logo:hover{opacity:.8;}
.nav-right{display:flex;align-items:center;gap:1.5rem;}
.nav-links{display:flex;gap:1.4rem;list-style:none;}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;transition:color .2s;white-space:nowrap;}
.nav-links a:hover,.nav-links a.active{color:var(--gold);}
.lang-toggle{display:flex;border:1px solid var(--border);overflow:hidden;flex-shrink:0;}
.lang-btn{padding:5px 12px;background:transparent;color:var(--muted);font-size:.72rem;letter-spacing:.1em;cursor:pointer;border:none;transition:all .2s;font-family:var(--ff-b);}
.lang-btn.active{background:var(--gold);color:#080809;font-weight:500;}

/* PAGE LAYOUT */
.page-wrap{position:relative;z-index:1;padding-top:72px;min-height:100vh;}
.inner{max-width:1100px;margin:0 auto;padding:5rem 5vw;}
.page-hero{padding:4rem 5vw 3rem;max-width:1100px;margin:0 auto;}
.page-hero .stag{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:.6rem;display:flex;align-items:center;gap:.7rem;}
html[dir="ltr"] .page-hero .stag::before{content:'';display:block;width:28px;height:1px;background:var(--gold);}
html[dir="rtl"] .page-hero .stag::after{content:'';display:block;width:28px;height:1px;background:var(--gold);}
.page-hero h1{font-family:var(--ff-h);font-size:clamp(2.5rem,5vw,4rem);line-height:1.1;color:var(--cream);margin-bottom:.5rem;}
.page-hero h1 span{color:var(--gold);}
.page-hero p{font-size:1rem;color:var(--muted);max-width:560px;line-height:1.8;}
.divider{width:52px;height:1px;background:var(--gold);margin:1.2rem 0;}
.stag{font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);margin-bottom:.6rem;display:flex;align-items:center;gap:.7rem;}
html[dir="ltr"] .stag::before{content:'';display:block;width:28px;height:1px;background:var(--gold);}
html[dir="rtl"] .stag::after{content:'';display:block;width:28px;height:1px;background:var(--gold);}
.stitle{font-family:var(--ff-h);font-size:clamp(2rem,4vw,3rem);line-height:1.1;color:var(--cream);margin-bottom:.75rem;}

/* CARDS */
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.3rem;}
.card{background:var(--bg2);border:1px solid var(--border);padding:1.6rem;position:relative;overflow:hidden;transition:border-color .3s,transform .2s;}
.card:hover{border-color:rgba(196,163,90,.55);transform:translateY(-2px);}
.card::before{content:'';position:absolute;top:0;left:0;width:100%;height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);opacity:0;transition:opacity .3s;}
.card:hover::before{opacity:1;}
.card-badge{font-size:.62rem;letter-spacing:.08em;text-transform:uppercase;padding:3px 10px;border:1px solid rgba(196,163,90,.3);color:var(--gold);display:inline-block;margin-bottom:.9rem;}
.card-title{font-family:var(--ff-h);font-size:1.1rem;color:var(--cream);margin-bottom:4px;line-height:1.3;}
.card-sub{font-size:.76rem;color:var(--muted);margin-bottom:.6rem;}
.card-foot{font-size:.68rem;color:var(--gold);letter-spacing:.08em;border-top:1px solid var(--border);padding-top:.6rem;margin-top:.8rem;}
.card-extra{font-size:.66rem;color:rgba(196,163,90,.55);margin-top:4px;}

/* BUTTONS */
.btn{padding:.65rem 1.5rem;border:none;cursor:pointer;font-size:.82rem;letter-spacing:.06em;font-family:var(--ff-b);text-decoration:none;display:inline-flex;align-items:center;gap:.5rem;transition:all .2s;}
.btn-gold{background:var(--gold);color:#080809;font-weight:500;}
.btn-gold:hover{background:var(--gold2);}
.btn-outline{background:transparent;color:var(--cream);border:1px solid var(--border);}
.btn-outline:hover{border-color:var(--gold);color:var(--gold);}
.btn-sm{padding:.4rem 1rem;font-size:.75rem;}

/* TIMELINE */
.tl{position:relative;margin-top:2rem;}
html[dir="ltr"] .tl::before{content:'';position:absolute;left:0;top:0;bottom:0;width:1px;background:var(--border);}
html[dir="rtl"] .tl::before{content:'';position:absolute;right:0;top:0;bottom:0;width:1px;background:var(--border);}
.tli{margin-bottom:2.8rem;position:relative;}
html[dir="ltr"] .tli{padding-left:2.2rem;}
html[dir="rtl"] .tli{padding-right:2.2rem;}
.tl-dot{width:11px;height:11px;border-radius:50%;background:var(--gold);border:2px solid var(--bg);position:absolute;top:5px;box-shadow:0 0 10px rgba(196,163,90,.4);}
html[dir="ltr"] .tl-dot{left:-5px;}
html[dir="rtl"] .tl-dot{right:-5px;}
.tl-period{font-size:.7rem;letter-spacing:.1em;color:var(--gold);text-transform:uppercase;margin-bottom:.4rem;}
.tl-role{font-family:var(--ff-h);font-size:1.35rem;color:var(--cream);margin-bottom:.15rem;}
.tl-co{font-size:.82rem;color:var(--muted);margin-bottom:.9rem;}
.tl-desc{font-size:.9rem;color:rgba(232,226,212,.65);line-height:1.85;list-style:none;}
.tl-desc li{margin-bottom:.4rem;position:relative;}
html[dir="ltr"] .tl-desc li{padding-left:1rem;}
html[dir="rtl"] .tl-desc li{padding-right:1rem;}
html[dir="ltr"] .tl-desc li::before{content:'—';position:absolute;left:0;color:var(--gold);opacity:.55;}
html[dir="rtl"] .tl-desc li::before{content:'—';position:absolute;right:0;color:var(--gold);opacity:.55;}
.tl-achiev{margin-top:.9rem;padding:.85rem 1rem;background:rgba(196,163,90,.05);}
html[dir="ltr"] .tl-achiev{border-left:2px solid var(--gold);}
html[dir="rtl"] .tl-achiev{border-right:2px solid var(--gold);}
.tl-achiev p{font-size:.8rem;color:rgba(232,226,212,.6);margin-bottom:.3rem;}
.tl-achiev p::before{content:'✓  ';color:var(--gold);}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:.9rem;}
.tag{font-size:.62rem;letter-spacing:.06em;padding:3px 10px;border:1px solid rgba(196,163,90,.3);color:var(--gold);text-transform:uppercase;}

/* SKILLS */
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:3rem 5rem;margin-top:2rem;}
.sg-title{font-size:.7rem;letter-spacing:.14em;color:var(--gold);text-transform:uppercase;margin-bottom:1.3rem;padding-bottom:.6rem;border-bottom:1px solid var(--border);}
.sk{margin-bottom:1.15rem;}
.sk-hd{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:5px;}
.sk-nm{font-size:.88rem;color:var(--cream);}
.sk-pc{font-family:var(--ff-h);font-size:.95rem;color:var(--gold);}
.sk-bar{height:2px;background:rgba(196,163,90,.15);overflow:hidden;}
.sk-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold2));width:0%;transition:width 1.2s cubic-bezier(.4,0,.2,1);}

/* FOOTER */
footer{background:var(--bg);border-top:1px solid var(--border);padding:1.8rem 5vw;display:flex;justify-content:space-between;align-items:center;position:relative;z-index:1;flex-wrap:wrap;gap:.5rem;}
footer p{font-size:.7rem;color:var(--muted);}
footer span{color:var(--gold);}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease;}
.reveal.visible{opacity:1;transform:none;}
.anim-1{opacity:0;animation:fadeUp .8s .1s forwards;}
.anim-2{opacity:0;animation:fadeUp .8s .3s forwards;}
.anim-3{opacity:0;animation:fadeUp .8s .5s forwards;}
.anim-4{opacity:0;animation:fadeUp .8s .7s forwards;}
.hidden{display:none;}
.empty{text-align:center;padding:3rem;color:var(--muted);font-size:.9rem;}
.spinner{display:inline-block;width:16px;height:16px;border:2px solid rgba(196,163,90,.3);border-top-color:var(--gold);border-radius:50%;animation:spin .6s linear infinite;}
@keyframes spin{to{transform:rotate(360deg)}}

/* FILTER BAR */
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:2rem;}
.filter-btn{padding:5px 16px;background:transparent;border:1px solid var(--border);color:var(--muted);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;transition:all .2s;font-family:var(--ff-b);}
.filter-btn.active,.filter-btn:hover{border-color:var(--gold);color:var(--gold);}

/* DOCUMENT VIEWER */
.doc-card{background:var(--bg2);border:1px solid var(--border);padding:1.4rem;display:flex;gap:1.2rem;align-items:flex-start;transition:border-color .3s;}
.doc-card:hover{border-color:rgba(196,163,90,.5);}
.doc-icon{width:48px;height:48px;background:rgba(196,163,90,.1);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:1.4rem;flex-shrink:0;}
.doc-info{flex:1;min-width:0;}
.doc-title{font-family:var(--ff-h);font-size:1.05rem;color:var(--cream);margin-bottom:.3rem;}
.doc-meta{font-size:.75rem;color:var(--muted);margin-bottom:.7rem;}
.doc-actions{display:flex;gap:.5rem;flex-wrap:wrap;}
.badge{font-size:.62rem;letter-spacing:.06em;padding:2px 8px;display:inline-block;}
.badge-cert{border:1px solid rgba(196,163,90,.3);color:var(--gold);}
.badge-doc{border:1px solid rgba(74,158,106,.3);color:#4a9e6a;}
.badge-hr{border:1px solid rgba(100,130,200,.3);color:#6482c8;}
.badge-proj{border:1px solid rgba(180,100,180,.3);color:#b464b4;}

/* RESPONSIVE */
@media(max-width:768px){
  .skills-grid{grid-template-columns:1fr;}
  .nav-links{display:none;}
  .page-hero h1{font-size:2.2rem;}
}