:root{
  --accent:#7c5cff;
  --accent-2:#00d4ff;
  --grad:linear-gradient(135deg,#7c5cff,#00d4ff);
  --radius:20px;
  --container:1140px;
  --trans:.35s cubic-bezier(.4,0,.2,1);
  --font:'Cairo',system-ui,sans-serif;
}
html[data-theme="dark"]{
  --bg:#0a0c16;
  --bg-soft:#0f1224;
  --card:rgba(255,255,255,.045);
  --card-solid:#141830;
  --text:#eef1ff;
  --muted:#9aa3c7;
  --border:rgba(255,255,255,.09);
  --shadow:0 20px 50px rgba(0,0,0,.5);
}
html[data-theme="light"]{
  --bg:#f5f6fb;
  --bg-soft:#ffffff;
  --card:rgba(255,255,255,.8);
  --card-solid:#ffffff;
  --text:#141830;
  --muted:#5b6480;
  --border:rgba(20,24,48,.1);
  --shadow:0 20px 50px rgba(20,24,48,.12);
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  overflow-x:hidden;
  transition:background .4s,color .4s;
}
body::before{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(600px 400px at 85% -5%,rgba(124,92,255,.18),transparent 60%),
    radial-gradient(500px 400px at 5% 20%,rgba(0,212,255,.12),transparent 60%);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
ul{list-style:none}
.container{width:min(100% - 2.5rem,var(--container));margin-inline:auto}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

.loader{
  position:fixed;inset:0;z-index:9999;display:grid;place-content:center;gap:1.2rem;
  justify-items:center;background:var(--bg);transition:opacity .6s,visibility .6s;
}
.loader.hide{opacity:0;visibility:hidden}
.loader__ring{
  width:56px;height:56px;border-radius:50%;
  border:4px solid var(--border);border-top-color:var(--accent);
  animation:spin .8s linear infinite;
}
.loader span{color:var(--muted);font-size:.9rem;letter-spacing:1px}
@keyframes spin{to{transform:rotate(360deg)}}

.header{
  position:fixed;inset-block-start:0;inset-inline:0;z-index:100;
  transition:background var(--trans),box-shadow var(--trans),padding var(--trans);
  padding-block:1.1rem;
}
.header.scrolled{
  background:rgba(10,12,22,.75);
  backdrop-filter:blur(14px);
  box-shadow:0 8px 30px rgba(0,0,0,.15);
  padding-block:.6rem;
}
html[data-theme="light"] .header.scrolled{background:rgba(255,255,255,.82)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:1rem}
.logo{display:flex;align-items:center;gap:.6rem;font-weight:900;font-size:1.25rem}
.logo__mark{
  width:38px;height:38px;display:grid;place-content:center;border-radius:12px;
  background:var(--grad);color:#fff;font-size:1.1rem;transform:rotate(-8deg);
  transition:transform var(--trans);
}
.logo:hover .logo__mark{transform:rotate(8deg) scale(1.08)}
.dot{color:var(--accent-2)}

.nav__list{display:flex;gap:2rem}
.nav__link{position:relative;font-weight:600;font-size:.95rem;color:var(--muted);transition:color var(--trans)}
.nav__link::after{
  content:"";position:absolute;inset-block-end:-6px;inset-inline-start:0;
  width:0;height:2px;border-radius:2px;background:var(--grad);transition:width var(--trans);
}
.nav__link:hover,.nav__link.active{color:var(--text)}
.nav__link:hover::after,.nav__link.active::after{width:100%}

.nav__actions{display:flex;align-items:center;gap:.6rem}
.icon-btn{
  width:42px;height:42px;display:grid;place-content:center;border-radius:12px;
  border:1px solid var(--border);background:var(--card);color:var(--text);
  transition:transform var(--trans),border-color var(--trans);
}
.icon-btn:hover{transform:translateY(-3px) rotate(-10deg);border-color:var(--accent)}
.icon{width:20px;height:20px}
html[data-theme="dark"] .icon--sun{display:none}
html[data-theme="light"] .icon--moon{display:none}

.burger{display:none;flex-direction:column;gap:5px;width:42px;height:42px;justify-content:center;align-items:center;border-radius:12px;border:1px solid var(--border);background:var(--card)}
.burger span{width:20px;height:2px;background:var(--text);border-radius:2px;transition:var(--trans)}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.btn{
  position:relative;display:inline-flex;align-items:center;justify-content:center;gap:.5rem;
  padding:.85rem 1.9rem;border-radius:14px;font-weight:700;font-size:.95rem;
  overflow:hidden;transition:transform var(--trans),box-shadow var(--trans);
}
.btn--primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px rgba(124,92,255,.35);z-index:1}
.btn--ghost{border:1.5px solid var(--border);background:transparent;color:var(--text)}
.btn--ghost:hover{border-color:var(--accent);transform:translateY(-3px)}
.btn--sm{padding:.55rem 1.2rem;font-size:.85rem;border-radius:10px}
.btn--block{width:100%}
.btn:hover{transform:translateY(-3px)}
.btn--primary:hover{box-shadow:0 18px 42px rgba(0,212,255,.42)}

.hero{position:relative;min-height:100vh;display:grid;place-items:center;padding-block:8rem 4rem;overflow:hidden}
.hero__canvas{position:absolute;inset:0;width:100%;height:100%;z-index:0;opacity:.7}
.hero__inner{
  position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;
  align-items:center;gap:3rem;
}
.hero__hello{color:var(--accent-2);font-weight:700;letter-spacing:2px;font-size:.9rem}
.hero__name{font-size:clamp(2.4rem,6vw,4.2rem);font-weight:900;line-height:1.2;margin-block:.3rem}
.hero__role{font-size:clamp(1.1rem,2.4vw,1.6rem);font-weight:700;color:var(--muted);min-height:2.2em}
.caret{display:inline-block;width:3px;height:1.05em;background:var(--accent-2);vertical-align:-2px;margin-inline-start:3px;animation:blink 1s steps(2) infinite}
@keyframes blink{50%{opacity:0}}
.hero__desc{color:var(--muted);max-width:52ch;margin-block:1.4rem}
.hero__cta{display:flex;flex-wrap:wrap;gap:1rem;margin-block:2rem 1.6rem}
.hero__socials{display:flex;gap:.8rem}
.hero__socials a{
  width:42px;height:42px;display:grid;place-content:center;border-radius:12px;
  border:1px solid var(--border);background:var(--card);color:var(--muted);
  transition:var(--trans);
}
.hero__socials a:hover{color:#fff;background:var(--grad);transform:translateY(-4px) rotate(-8deg);border-color:transparent}
.hero__socials svg{width:18px;height:18px}

.hero__visual{position:relative;display:grid;place-items:center}
.blob{
  position:absolute;width:min(90%,420px);aspect-ratio:1;border-radius:50%;
  background:var(--grad);filter:blur(60px);opacity:.35;
  animation:float 7s ease-in-out infinite;
}
@keyframes float{50%{transform:translateY(-25px) scale(1.06)}}
.avatar-ring{
  position:relative;width:min(80%,320px);aspect-ratio:1;border-radius:50%;
  padding:6px;background:var(--grad);
}
.avatar-ring img{border-radius:50%;width:100%;height:100%;object-fit:cover;background:var(--card-solid)}

.chip{
  position:absolute;padding:.5rem 1rem;border-radius:999px;font-size:.8rem;font-weight:700;
  background:var(--card-solid);border:1px solid var(--border);box-shadow:var(--shadow);
  animation:float 5s ease-in-out infinite;
}
.chip--1{top:8%;inset-inline-start:-4%;animation-delay:0s}
.chip--2{bottom:16%;inset-inline-end:-6%;animation-delay:1.2s}
.chip--3{top:56%;inset-inline-start:-10%;animation-delay:2.2s}

.scroll-hint{
  position:absolute;bottom:2rem;left:50%;translate:-50% 0;
  width:26px;height:42px;border:2px solid var(--border);border-radius:14px;
  display:grid;justify-items:center;padding-top:8px;
}
.scroll-hint span{width:5px;height:9px;border-radius:3px;background:var(--accent-2);animation:scrollDot 1.6s infinite}
@keyframes scrollDot{0%{opacity:0;transform:translateY(0)}40%{opacity:1}100%{opacity:0;transform:translateY(14px)}}

.section{padding-block:6rem}
.section--soft{background:var(--bg-soft)}
.section__head{text-align:center;margin-block-end:3.5rem}
.section__tag{
  display:inline-block;padding:.35rem 1rem;border-radius:999px;font-size:.78rem;font-weight:700;
  color:var(--accent-2);background:rgba(0,212,255,.12);
  margin-block-end:.9rem;letter-spacing:1px;
}
.section__title{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:900}
.section__title::after{
  content:"";display:block;width:70px;height:4px;border-radius:4px;
  background:var(--grad);margin:1rem auto 0;
}

.about{display:grid;grid-template-columns:1.2fr 1fr;gap:3rem;align-items:center}
.about__text p{color:var(--muted);margin-block-end:1.1rem}
.about__text .btn{margin-block-start:1rem}
.stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}
.stat{
  padding:1.6rem 1rem;text-align:center;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:var(--trans);
}
.stat:hover{transform:translateY(-6px);border-color:var(--accent);box-shadow:var(--shadow)}
.stat__num{font-size:2.2rem;font-weight:900;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat__label{color:var(--muted);font-size:.85rem}

.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:2rem 3rem;max-width:900px;margin-inline:auto}
.skill__top{display:flex;justify-content:space-between;font-weight:700;font-size:.92rem;margin-block-end:.6rem}
.bar{height:10px;border-radius:999px;background:var(--card);border:1px solid var(--border);overflow:hidden}
.bar__fill{
  display:block;height:100%;width:0;border-radius:999px;background:var(--grad);
  transition:width 1.4s cubic-bezier(.25,1,.35,1);
  box-shadow:0 0 18px rgba(124,92,255,.6);
}

.filters{display:flex;flex-wrap:wrap;justify-content:center;gap:.7rem;margin-block-end:2.5rem}
.filter{
  padding:.55rem 1.5rem;border-radius:999px;border:1px solid var(--border);
  background:var(--card);color:var(--muted);font-weight:700;font-size:.88rem;
  transition:var(--trans);
}
.filter:hover{color:var(--text);transform:translateY(-2px)}
.filter.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 25px rgba(124,92,255,.35)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.8rem}
.card{
  position:relative;border-radius:var(--radius);overflow:hidden;
  background:var(--card);border:1px solid var(--border);backdrop-filter:blur(10px);
  transition:transform .4s,box-shadow .4s,border-color .4s,opacity .4s;
  will-change:transform;
}
.card:hover{transform:translateY(-8px);border-color:var(--accent);box-shadow:var(--shadow)}
.card.hidden{display:none}
.card__thumb{height:180px;display:grid;place-content:center;transition:transform .5s}
.card__thumb svg{width:58px;height:58px;opacity:.95}
.card:hover .card__thumb{transform:scale(1.08) rotate(3deg)}
.card__thumb--1{background:linear-gradient(135deg,#7c5cff,#3b2fa0)}
.card__thumb--2{background:linear-gradient(135deg,#00d4ff,#0066a8)}
.card__thumb--3{background:linear-gradient(135deg,#ff6b9d,#b32e6a)}
.card__thumb--4{background:linear-gradient(135deg,#ffb347,#c47b0d)}
.card__thumb--5{background:linear-gradient(135deg,#42e695,#1a8f5a)}
.card__thumb--6{background:linear-gradient(135deg,#a06bff,#5b2fd1)}
.card__body{padding:1.4rem}
.card__body h3{font-size:1.1rem;margin-block-end:.5rem}
.card__body p{color:var(--muted);font-size:.88rem;line-height:1.7}
.tags{display:flex;flex-wrap:wrap;gap:.4rem;margin-block-start:1rem}
.tags span{
  font-size:.72rem;padding:.25rem .7rem;border-radius:999px;
  background:rgba(124,92,255,.16);color:#a48bff;font-weight:700;
}
html[data-theme="light"] .tags span{color:#5b3fd8}
.card__overlay{
  position:absolute;inset:0;display:grid;place-content:center;
  background:linear-gradient(180deg,transparent,rgba(10,12,22,.85));
  opacity:0;transition:opacity var(--trans);
}
.card:hover .card__overlay{opacity:1}

.contact{display:grid;grid-template-columns:1.3fr .7fr;gap:2.5rem;align-items:start}
.form{
  padding:2rem;border-radius:var(--radius);background:var(--card);
  border:1px solid var(--border);backdrop-filter:blur(10px);
}
.field{margin-block-end:1.2rem}
.field label{display:block;font-weight:700;font-size:.88rem;margin-block-end:.45rem}
.field input,.field textarea{
  width:100%;padding:.85rem 1rem;border-radius:12px;font-family:inherit;font-size:.92rem;
  background:var(--bg-soft);border:1.5px solid var(--border);color:var(--text);
  transition:border-color var(--trans),box-shadow var(--trans);resize:vertical;
}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);
  box-shadow:0 0 0 4px rgba(124,92,255,.18);
}
.field.invalid input,.field.invalid textarea{border-color:#ff5c7c}
.error{display:block;color:#ff5c7c;font-size:.78rem;margin-block-start:.35rem;min-height:1em}
.form__success{
  display:none;margin-block-start:1rem;padding:.9rem;border-radius:12px;text-align:center;
  background:rgba(66,230,149,.14);color:#2fbf78;font-weight:700;font-size:.88rem;
}
.form__success.show{display:block;animation:fadeUp .5s}

.contact__info{display:grid;gap:1rem}
.info-card{
  display:flex;align-items:center;gap:1rem;padding:1.3rem;border-radius:var(--radius);
  background:var(--card);border:1px solid var(--border);transition:var(--trans);
}
.info-card:hover{transform:translateX(-6px);border-color:var(--accent)}
.info-card__icon{display:grid;place-content:center;width:46px;height:46px;border-radius:14px;flex:none;color:var(--accent);background:rgba(124,92,255,.14)}
.info-card__icon svg{width:22px;height:22px}
.info-card h4{font-size:.85rem;color:var(--muted);font-weight:600}
.info-card a,.info-card p{font-weight:700;font-size:.95rem}

.footer{padding-block:2rem;border-block-start:1px solid var(--border)}
.footer__inner{display:flex;align-items:center;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.footer p{color:var(--muted);font-size:.88rem}
.heart{width:14px;height:14px;display:inline-block;vertical-align:-2px;color:#ff5c7c}
.footer__top{
  width:42px;height:42px;display:grid;place-content:center;border-radius:12px;
  background:var(--grad);color:#fff;font-weight:900;transition:var(--trans);
}
.footer__top:hover{transform:translateY(-4px)}

.to-top{
  position:fixed;inset-block-end:1.8rem;inset-inline-end:1.8rem;z-index:90;
  width:48px;height:48px;border-radius:14px;display:grid;place-content:center;
  background:var(--grad);color:#fff;font-size:1.1rem;font-weight:900;
  box-shadow:0 12px 30px rgba(124,92,255,.4);
  opacity:0;visibility:hidden;transform:translateY(20px);transition:var(--trans);
}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-4px) scale(1.05)}

.cursor-glow{
  position:fixed;top:0;left:0;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(124,92,255,.16),transparent 65%);
  pointer-events:none;z-index:0;transition:opacity .3s;
}

.reveal{opacity:0;transform:translateY(40px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}

@media (max-width:960px){
  .hero__inner{grid-template-columns:1fr;text-align:center;gap:2.5rem}
  .hero__desc{margin-inline:auto}
  .hero__cta,.hero__socials{justify-content:center}
  .hero__visual{order:-1}
  .about,.contact{grid-template-columns:1fr}
  .skills{grid-template-columns:1fr}
  .cursor-glow{display:none}
}

@media (max-width:768px){
  .burger{display:flex}
  .nav__list{
    position:fixed;inset-block-start:72px;inset-inline:1rem;
    flex-direction:column;gap:0;padding:1rem;
    background:var(--card-solid);border:1px solid var(--border);border-radius:var(--radius);
    box-shadow:var(--shadow);
    opacity:0;visibility:hidden;transform:translateY(-12px);transition:var(--trans);
  }
  .nav__list.open{opacity:1;visibility:visible;transform:none}
  .nav__link{display:block;padding:.7rem .4rem}
  .nav__link::after{display:none}
  .section{padding-block:4rem}
  .stats{grid-template-columns:repeat(2,1fr)}
  .chip--1,.chip--3{inset-inline-start:0}
  .chip--2{inset-inline-end:0}
}

@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}