:root{
  --bg:#fafbfe;
  --bg-alt:#f1f4fb;
  --surface:#ffffff;
  --surface-2:#f5f8fd;
  --border:#e4e9f2;
  --border-solid:#e6ebf3;
  --text:#0e1b30;
  --muted:#5d6b82;
  --brand:#3b6ef0;
  --brand-2:#7048e8;
  --accent:#0e9b8a;
  --radius:16px;
  --maxw:1120px;
  --shadow:0 18px 50px -24px rgba(31,52,99,.28);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* NAV */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;backdrop-filter:blur(12px);
  background:rgba(247,249,252,.7);border-bottom:1px solid transparent;transition:.3s}
.nav.scrolled{background:rgba(255,255,255,.9);border-bottom:1px solid var(--border-solid);
  box-shadow:0 6px 24px -18px rgba(31,52,99,.4)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.nav__logo{font-weight:900;font-size:1.4rem;letter-spacing:-.5px}
.nav__logo span{color:var(--brand)}
.nav__links{display:flex;align-items:center;gap:28px}
.nav__links a{font-size:.95rem;color:var(--muted);font-weight:500;transition:.2s}
.nav__links a:hover{color:var(--text)}
.nav__links a.btn{color:#fff}
.nav__links a.btn:hover{color:#fff}
.nav__toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer}
.nav__toggle span{width:24px;height:2px;background:var(--text);transition:.3s}
.lang-btn{margin-inline-start:18px;display:inline-flex;align-items:center;gap:6px;
  font-family:inherit;font-size:.88rem;font-weight:600;color:var(--text);cursor:pointer;
  padding:8px 14px;border-radius:999px;background:var(--surface);border:1px solid var(--border-solid);transition:.2s}
.lang-btn:hover{border-color:var(--brand);color:var(--brand)}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:.95rem;
  padding:12px 22px;border-radius:999px;cursor:pointer;border:1px solid transparent;transition:.25s;white-space:nowrap}
.btn--sm{padding:9px 20px;font-size:.9rem;font-weight:700;color:#fff;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 20px -8px var(--brand)}
.btn--sm:hover{transform:translateY(-2px);box-shadow:0 12px 26px -8px var(--brand)}
.btn--lg{padding:16px 32px;font-size:1.05rem}
.btn--primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 10px 30px -10px var(--brand)}
.btn--primary:hover{transform:translateY(-2px);box-shadow:0 16px 38px -12px var(--brand)}
.btn--ghost{border-color:var(--border-solid);color:var(--text)}
.btn--ghost:hover{background:var(--surface);border-color:var(--brand)}

/* HERO */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;overflow:hidden}
.hero__bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(55% 50% at 18% 18%,rgba(59,110,240,.14),transparent 62%),
    radial-gradient(50% 50% at 86% 28%,rgba(112,72,232,.13),transparent 62%),
    radial-gradient(42% 42% at 62% 92%,rgba(14,155,138,.10),transparent 62%);
  animation:float 12s ease-in-out infinite alternate}
@keyframes float{to{transform:translateY(-22px) scale(1.05)}}
.hero__inner{position:relative;z-index:1;padding-top:90px}
.hero__eyebrow{color:var(--accent);font-weight:600;font-family:'JetBrains Mono',monospace;margin-bottom:14px}
.hero__name{font-size:clamp(2.8rem,8vw,5.2rem);font-weight:900;letter-spacing:-1.5px;line-height:1.1;
  padding-bottom:.08em;
  background:linear-gradient(120deg,var(--text) 25%,var(--brand) 70%,var(--brand-2));
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.hero__role{font-size:clamp(1.1rem,2.6vw,1.7rem);font-weight:700;margin-top:14px;color:var(--text)}
.hero__role span{color:var(--muted);font-weight:500;font-size:.78em}
.hero__lede{max-width:620px;color:var(--muted);font-size:1.08rem;margin-top:22px}
.hero__cta{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
.hero__badges{display:flex;gap:12px;margin-top:38px;flex-wrap:wrap}
.badge{font-size:.85rem;padding:8px 14px;border-radius:999px;background:var(--surface);
  border:1px solid var(--border-solid);color:var(--muted)}
.hero__scroll{position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:1;
  font-size:1.4rem;color:var(--muted);animation:bounce 1.8s infinite}
@keyframes bounce{0%,100%{transform:translate(-50%,0)}50%{transform:translate(-50%,8px)}}

/* CREDENTIALS STRIP */
.creds{background:var(--bg-alt);border-top:1px solid var(--border-solid);border-bottom:1px solid var(--border-solid)}
.creds__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:28px 24px}
.cred{display:flex;align-items:center;gap:14px}
.cred:not(:last-child){border-right:1px solid var(--border-solid);padding-right:24px}
.cred__icon{display:grid;place-items:center;width:46px;height:46px;flex-shrink:0;border-radius:12px;
  font-size:1.3rem;background:var(--surface);border:1px solid var(--border-solid)}
.cred__text{font-size:.92rem;color:var(--muted);line-height:1.45}
.cred__text strong{color:var(--text);font-size:.96rem}
@media(max-width:860px){
  .creds__inner{grid-template-columns:1fr 1fr;gap:18px}
  .cred:nth-child(2n){border-right:0;padding-right:0}
}
@media(max-width:520px){
  .creds__inner{grid-template-columns:1fr}
  .cred{border-right:0!important;padding-right:0!important}
}

/* SECTIONS */
.section{padding:110px 0}
.section--alt{background:var(--bg-alt)}
.section__kicker{font-family:'JetBrains Mono',monospace;color:var(--brand);font-size:.9rem;
  font-weight:600;letter-spacing:1px;margin-bottom:12px}
.section__title{font-size:clamp(1.9rem,4.5vw,2.9rem);font-weight:800;letter-spacing:-1px;margin-bottom:42px}

/* ABOUT */
.about{display:grid;grid-template-columns:1.4fr 1fr;gap:48px;align-items:start}
.about__text p{color:var(--muted);margin-bottom:18px;font-size:1.05rem}
.about__text strong{color:var(--text)}
.about__stats{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat{background:var(--surface);border:1px solid var(--border-solid);border-radius:var(--radius);
  padding:24px;text-align:center}
.stat__num{display:block;font-size:2.1rem;font-weight:900;
  background:linear-gradient(120deg,var(--brand),var(--accent));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat__label{font-size:.86rem;color:var(--muted)}

/* FILTERS */
.filters{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:34px}
.filter{padding:9px 18px;border-radius:999px;background:var(--surface);border:1px solid var(--border-solid);
  color:var(--muted);font-weight:500;cursor:pointer;font-size:.9rem;transition:.2s}
.filter:hover{color:var(--text);border-color:var(--brand)}
.filter.is-active{background:var(--brand);color:#fff;border-color:var(--brand)}

/* GRID + CARDS */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:22px}
.card{background:var(--surface);border:1px solid var(--border-solid);border-radius:var(--radius);
  padding:26px;display:flex;flex-direction:column;transition:.3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;border-radius:var(--radius);padding:1px;
  background:linear-gradient(135deg,var(--brand),transparent 40%);opacity:0;transition:.3s;
  -webkit-mask:linear-gradient(#fff 0 0) content-box,linear-gradient(#fff 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.card:hover{transform:translateY(-6px);border-color:transparent;box-shadow:var(--shadow);background:var(--surface-2)}
.card:hover::before{opacity:1}
.card__top{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.card__tag{font-size:.78rem;font-weight:600;color:var(--brand);background:rgba(91,140,255,.12);
  padding:5px 12px;border-radius:999px}
.card__live{font-size:.76rem;color:var(--accent);font-weight:600}
.card__title{font-size:1.35rem;font-weight:800;margin-bottom:10px}
.card__desc{color:var(--muted);font-size:.97rem;flex:1}
.card__stack{list-style:none;display:flex;flex-wrap:wrap;gap:7px;margin:18px 0}
.card__stack li{font-family:'JetBrains Mono',monospace;font-size:.74rem;color:var(--muted);
  background:var(--bg);border:1px solid var(--border-solid);padding:4px 9px;border-radius:7px}
.card__links{display:flex;gap:16px;flex-wrap:wrap;padding-top:6px;border-top:1px solid var(--border-solid)}
.card__links a{color:var(--brand);font-weight:600;font-size:.9rem;transition:.2s}
.card__links a:hover{color:var(--accent)}
.card__muted{color:var(--muted);font-size:.86rem;font-style:italic}

/* SKILLS */
.skills{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:26px}
.skillset{background:var(--surface);border:1px solid var(--border-solid);border-radius:var(--radius);
  padding:30px 28px;transition:.3s;position:relative;overflow:hidden}
.skillset::after{content:"";position:absolute;top:0;left:0;width:100%;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--brand-2));opacity:.85}
.skillset:hover{transform:translateY(-5px);box-shadow:var(--shadow);border-color:transparent}
.skillset h3{font-size:1.15rem;font-weight:700;margin-bottom:20px;color:var(--text);
  display:flex;align-items:center;gap:10px}
.skillset h3::before{content:"";width:9px;height:9px;border-radius:3px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2))}
.chips{display:flex;flex-wrap:wrap;gap:10px}
.chips span{font-size:.9rem;font-weight:500;padding:9px 15px;border-radius:10px;
  background:linear-gradient(180deg,var(--surface),var(--surface-2));
  border:1px solid var(--border-solid);color:var(--text);transition:.2s;line-height:1}
.chips span:hover{color:#fff;border-color:transparent;transform:translateY(-3px);
  background:linear-gradient(135deg,var(--brand),var(--brand-2));
  box-shadow:0 8px 20px -8px var(--brand)}

/* CONTACT */
.contact__lede{max-width:560px;color:var(--muted);font-size:1.08rem;margin-bottom:30px}
.contact__actions{margin-bottom:44px}
.contact__grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:16px}
.link-card{display:flex;align-items:center;gap:14px;background:var(--surface);
  border:1px solid var(--border-solid);border-radius:var(--radius);padding:20px;transition:.25s}
.link-card:hover{transform:translateY(-4px);border-color:var(--brand);box-shadow:var(--shadow)}
.link-card--static{cursor:default}
.link-card--static:hover{transform:none;border-color:var(--border-solid);box-shadow:none}
.link-card__icon{display:grid;place-items:center;width:44px;height:44px;flex-shrink:0;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:1.1rem}
.link-card span:last-child{font-size:.92rem;color:var(--muted);line-height:1.4}
.link-card strong{color:var(--text)}

/* FOOTER */
.footer{border-top:1px solid var(--border-solid);padding:30px 0;background:var(--bg-alt)}
.footer__inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;color:var(--muted);font-size:.9rem}

/* REVEAL */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:820px){
  .about{grid-template-columns:1fr;gap:32px}
  .nav__toggle{display:flex}
  .nav__links{position:fixed;top:68px;right:0;left:0;flex-direction:column;align-items:flex-start;
    gap:0;background:var(--bg-alt);border-bottom:1px solid var(--border-solid);padding:0 24px;
    max-height:0;overflow:hidden;transition:.35s}
  .nav__links.open{max-height:340px;padding:14px 24px 22px}
  .nav__links a{width:100%;padding:12px 0;font-size:1rem}
  .nav__links .btn{margin-top:8px}
  .footer__inner{flex-direction:column}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ===== RTL / ARABIC ===== */
[dir="rtl"] body,[dir="rtl"]{font-family:'Cairo','Inter',system-ui,sans-serif}
[dir="rtl"] .hero__eyebrow,[dir="rtl"] .section__kicker{font-family:'Cairo',monospace}
/* keep latin numerals & tech terms in their natural LTR run */
[dir="rtl"] .section__kicker .num,[dir="rtl"] .card__stack li,
[dir="rtl"] .hero__role span{direction:ltr;unicode-bidi:isolate;display:inline-block}
[dir="rtl"] .stat__num{direction:ltr;unicode-bidi:isolate}
[dir="rtl"] .card__stack{direction:ltr}
[dir="rtl"] .cred:not(:last-child){border-right:0;border-left:1px solid var(--border-solid);
  padding-right:0;padding-left:24px}
[dir="rtl"] .skillset::after{background:linear-gradient(270deg,var(--brand),var(--brand-2))}
/* Arabic glyphs have deeper descenders — give headings room so nothing clips */
[dir="rtl"] .hero__name{letter-spacing:0;line-height:1.3;padding-bottom:.18em}
[dir="rtl"] .section__title{line-height:1.45;padding-bottom:.12em}
[dir="rtl"] .stat__label{display:block;margin-top:6px}
/* phone numbers stay left-to-right inside RTL text */
[dir="rtl"] .ltr{direction:ltr;unicode-bidi:isolate;display:inline-block}
@media(max-width:860px){
  [dir="rtl"] .cred:nth-child(2n){border-left:0;padding-left:0}
}