/* ===== Abdallah Tharwat — Portfolio ===== */
:root{
  --bg:#0b1020; --bg2:#0e1426; --surface:#131a2e; --card:#161e34; --card2:#1b2444;
  --border:#253150; --border2:#2f3d63;
  --text:#e9edf7; --muted:#98a3bc; --muted2:#6f7c98;
  --accent:#6d8bff; --accent2:#a855f7; --cyan:#34d3ee;
  --grad:linear-gradient(135deg,#6d8bff 0%,#a855f7 100%);
  --grad-soft:linear-gradient(135deg,rgba(109,139,255,.15),rgba(168,85,247,.15));
  --shadow:0 18px 50px -18px rgba(0,0,0,.7);
  --shadow-sm:0 8px 24px -12px rgba(0,0,0,.6);
  --radius:18px; --radius-sm:12px;
  --maxw:1180px;
  --font:'Inter',system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  --display:'Space Grotesk','Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.65;
  -webkit-font-smoothing:antialiased;overflow-x:hidden}
body::before{content:"";position:fixed;inset:0;z-index:-2;background:
  radial-gradient(900px 600px at 80% -10%,rgba(109,139,255,.18),transparent 60%),
  radial-gradient(700px 500px at 0% 10%,rgba(168,85,247,.14),transparent 55%),
  var(--bg)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
section{padding:96px 0;position:relative}
.container{width:92%;max-width:var(--maxw);margin:0 auto}
.eyebrow{font-family:var(--display);letter-spacing:.22em;text-transform:uppercase;
  font-size:.72rem;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:.5rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--grad);border-radius:2px}
.section-title{font-family:var(--display);font-size:clamp(1.7rem,3.4vw,2.6rem);font-weight:700;
  line-height:1.15;margin:14px 0 10px;letter-spacing:-.02em}
.section-intro{color:var(--muted);max-width:620px;margin-bottom:46px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ===== Nav ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;transition:.35s}
.nav.scrolled{background:rgba(11,16,32,.82);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border)}
.nav-in{display:flex;align-items:center;justify-content:space-between;height:72px;
  width:92%;max-width:var(--maxw);margin:0 auto}
.logo{font-family:var(--display);font-weight:700;font-size:1.15rem;letter-spacing:-.01em;display:flex;align-items:center;gap:.55rem}
.logo .dot{width:12px;height:12px;border-radius:50%;background:var(--grad);box-shadow:0 0 14px var(--accent)}
.nav-links{display:flex;gap:6px;align-items:center}
.nav-links a{padding:9px 15px;border-radius:999px;font-size:.92rem;color:var(--muted);font-weight:500;transition:.25s}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.nav-cta{background:var(--grad);color:#fff!important;font-weight:600!important;box-shadow:0 8px 22px -8px var(--accent)}
.nav-cta:hover{transform:translateY(-1px);filter:brightness(1.07)}
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.burger span{width:24px;height:2px;background:var(--text);border-radius:2px;transition:.3s}
.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)}

/* ===== Hero ===== */
.hero{min-height:100vh;display:flex;align-items:center;padding-top:90px}
.hero-grid{display:grid;grid-template-columns:1.25fr .85fr;gap:50px;align-items:center}
.hero h1{font-family:var(--display);font-size:clamp(2.4rem,6vw,4.3rem);line-height:1.04;
  font-weight:700;letter-spacing:-.03em;margin:18px 0}
.hero .role{font-size:clamp(1.05rem,2.2vw,1.45rem);color:var(--muted);font-weight:500;margin-bottom:18px}
.hero .role b{color:var(--text);font-weight:600}
.hero p.lead{color:var(--muted);max-width:560px;font-size:1.04rem;margin-bottom:30px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px}
.btn{display:inline-flex;align-items:center;gap:.55rem;padding:13px 24px;border-radius:999px;
  font-weight:600;font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:.28s}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 30px -12px var(--accent)}
.btn-primary:hover{transform:translateY(-2px);filter:brightness(1.08)}
.btn-ghost{background:rgba(255,255,255,.04);border-color:var(--border2);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);background:rgba(109,139,255,.1)}
.hero-meta{display:flex;gap:26px;flex-wrap:wrap;color:var(--muted);font-size:.9rem}
.hero-meta a{display:inline-flex;align-items:center;gap:.45rem;transition:.25s}
.hero-meta a:hover{color:var(--accent)}
.hero-card{position:relative;background:linear-gradient(160deg,var(--card2),var(--card));
  border:1px solid var(--border);border-radius:24px;padding:26px;box-shadow:var(--shadow);
  font-family:'JetBrains Mono',ui-monospace,SFMono-Regular,Menlo,monospace}
.hero-card .bar{display:flex;gap:7px;margin-bottom:16px}
.hero-card .bar i{width:12px;height:12px;border-radius:50%;display:block}
.hero-card .bar i:nth-child(1){background:#ff5f57}.hero-card .bar i:nth-child(2){background:#febc2e}.hero-card .bar i:nth-child(3){background:#28c840}
.hero-card code{font-size:.83rem;line-height:1.95;color:#cdd6ee;white-space:pre-wrap;display:block}
.hero-card .k{color:#a855f7}.hero-card .s{color:#34d3ee}.hero-card .v{color:#8fffc1}.hero-card .c{color:#6f7c98}
.float{animation:float 6s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}

/* ===== Stats ===== */
.stats{padding:0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--border);
  border-radius:var(--radius);padding:34px 26px;box-shadow:var(--shadow-sm);margin-top:-40px}
.stat{text-align:center;padding:8px}
.stat .num{font-family:var(--display);font-size:clamp(1.9rem,4vw,2.8rem);font-weight:700;line-height:1}
.stat .lbl{color:var(--muted);font-size:.86rem;margin-top:8px;letter-spacing:.02em}
.stat+.stat{border-left:1px solid var(--border)}

/* ===== About ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:start}
.about p{color:var(--muted);margin-bottom:16px}
.about p strong{color:var(--text)}
.about-side{background:var(--grad-soft);border:1px solid var(--border);border-radius:var(--radius);padding:28px}
.about-side h3{font-family:var(--display);font-size:1.05rem;margin-bottom:16px}
.facts{display:flex;flex-direction:column;gap:12px}
.fact{display:flex;align-items:center;gap:12px;font-size:.94rem}
.fact .ic{width:38px;height:38px;flex:0 0 38px;border-radius:10px;background:rgba(109,139,255,.14);
  display:grid;place-items:center;color:var(--accent);font-size:1.05rem}
.fact b{display:block;font-size:.78rem;color:var(--muted2);font-weight:600;text-transform:uppercase;letter-spacing:.05em}

/* ===== Skills ===== */
.skills-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.skill-card{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--border);
  border-radius:var(--radius);padding:24px;transition:.3s}
.skill-card:hover{transform:translateY(-4px);border-color:var(--border2);box-shadow:var(--shadow-sm)}
.skill-card h3{font-family:var(--display);font-size:1.02rem;margin-bottom:14px;display:flex;align-items:center;gap:.6rem}
.skill-card h3 .ic{color:var(--accent)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:.8rem;padding:6px 12px;border-radius:999px;background:rgba(255,255,255,.04);
  border:1px solid var(--border);color:var(--muted)}
.chip:hover{color:var(--text);border-color:var(--accent)}

/* ===== Experience timeline ===== */
.timeline{position:relative;margin-top:10px;padding-left:28px}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--accent2),transparent)}
.tl-item{position:relative;padding:0 0 26px 24px}
.tl-item::before{content:"";position:absolute;left:-26px;top:4px;width:16px;height:16px;border-radius:50%;
  background:var(--bg);border:3px solid var(--accent);box-shadow:0 0 0 4px rgba(109,139,255,.12)}
.tl-item h4{font-family:var(--display);font-size:1.08rem}
.tl-item .meta{color:var(--accent);font-size:.85rem;font-weight:600;margin:2px 0 6px}
.tl-item p{color:var(--muted);font-size:.93rem}
.tl-head{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--border);
  border-radius:var(--radius);padding:20px 24px;margin-bottom:26px}
.tl-head h3{font-family:var(--display);font-size:1.2rem}
.tl-head span{color:var(--muted);font-size:.9rem}

/* ===== Project filters ===== */
.filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.filter{padding:9px 18px;border-radius:999px;background:rgba(255,255,255,.04);border:1px solid var(--border);
  color:var(--muted);font-size:.88rem;font-weight:500;cursor:pointer;transition:.25s}
.filter:hover{color:var(--text)}
.filter.active{background:var(--grad);color:#fff;border-color:transparent}

/* ===== Project cards ===== */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(360px,1fr));gap:24px}
.pcard{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--border);
  border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;transition:.35s;position:relative}
.pcard:hover{transform:translateY(-6px);border-color:var(--border2);box-shadow:var(--shadow)}
.pcard-cover{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg2)}
.pcard-cover img{width:100%;height:100%;object-fit:cover;object-position:top center;transition:.5s}
.pcard:hover .pcard-cover img{transform:scale(1.06)}
.pcard-cover.noimg{display:grid;place-items:center;background:
  radial-gradient(120% 120% at 30% 10%,rgba(109,139,255,.22),transparent 60%),var(--card)}
.pcard-cover.noimg .mono{font-family:var(--display);font-size:2.6rem;font-weight:700;color:var(--accent);opacity:.85}
.badge{position:absolute;top:12px;right:12px;font-size:.72rem;font-weight:600;padding:5px 11px;border-radius:999px;
  background:rgba(11,16,32,.7);backdrop-filter:blur(6px);border:1px solid var(--border2)}
.badge.live{color:#8fffc1;border-color:rgba(40,200,100,.4)}
.badge.dev{color:#febc2e;border-color:rgba(254,188,46,.4)}
.pcard-body{padding:22px;display:flex;flex-direction:column;flex:1}
.pcard .cat{font-size:.75rem;color:var(--accent);font-weight:600;letter-spacing:.04em;text-transform:uppercase}
.pcard h3{font-family:var(--display);font-size:1.28rem;margin:6px 0 4px}
.pcard .tag{color:var(--muted2);font-size:.84rem;margin-bottom:12px}
.pcard .desc{color:var(--muted);font-size:.92rem;margin-bottom:16px;flex:1}
.pcard .tech{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}
.pcard .tech span{font-size:.72rem;padding:4px 9px;border-radius:7px;background:rgba(109,139,255,.1);
  color:#b9c6f0;border:1px solid rgba(109,139,255,.16)}
.pcard-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.plink{display:inline-flex;align-items:center;gap:.4rem;font-size:.82rem;font-weight:600;color:var(--muted);
  padding:7px 12px;border-radius:9px;border:1px solid var(--border);transition:.25s}
.plink:hover{color:#fff;border-color:var(--accent);background:rgba(109,139,255,.12)}
.pcard .more{margin-left:auto;font-size:.84rem;font-weight:600;color:var(--accent);cursor:pointer;display:inline-flex;align-items:center;gap:.35rem}
.pcard .more:hover{gap:.6rem}

/* ===== Modal ===== */
.modal{position:fixed;inset:0;z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal.open{display:flex}
.modal-bg{position:absolute;inset:0;background:rgba(5,8,18,.8);backdrop-filter:blur(8px)}
.modal-card{position:relative;background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius);
  max-width:920px;width:100%;max-height:88vh;overflow:auto;box-shadow:var(--shadow);animation:pop .3s ease}
@keyframes pop{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
.modal-card::-webkit-scrollbar{width:10px}.modal-card::-webkit-scrollbar-thumb{background:var(--border2);border-radius:8px}
.modal-head{padding:26px 30px 6px}
.modal-head .cat{font-size:.76rem;color:var(--accent);font-weight:600;text-transform:uppercase;letter-spacing:.05em}
.modal-head h2{font-family:var(--display);font-size:1.7rem;margin:6px 0}
.modal-head .tag{color:var(--muted2);font-size:.92rem}
.modal-close{position:absolute;top:16px;right:18px;width:38px;height:38px;border-radius:10px;border:1px solid var(--border2);
  background:rgba(255,255,255,.04);color:var(--text);font-size:1.2rem;cursor:pointer;z-index:3}
.modal-close:hover{background:rgba(255,255,255,.1)}
.modal-body{padding:14px 30px 30px}
.mblock{margin-top:22px}
.mblock h4{font-family:var(--display);font-size:.82rem;text-transform:uppercase;letter-spacing:.08em;color:var(--accent);margin-bottom:8px}
.mblock p{color:var(--muted)}
.mblock ul{list-style:none;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.mblock li{color:var(--muted);font-size:.92rem;padding-left:22px;position:relative}
.mblock li::before{content:"▸";position:absolute;left:0;color:var(--accent)}
.gallery{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:10px}
.gallery img{aspect-ratio:9/16;object-fit:cover;border-radius:10px;border:1px solid var(--border);cursor:zoom-in;transition:.3s}
.gallery img:hover{transform:scale(1.04);border-color:var(--accent)}
.gallery.web img{aspect-ratio:16/10}

/* ===== Lightbox ===== */
.lightbox{position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;background:rgba(3,5,12,.93);padding:30px}
.lightbox.open{display:flex}
.lightbox img{max-width:92%;max-height:88vh;border-radius:10px;box-shadow:var(--shadow)}
.lb-close{position:absolute;top:22px;right:26px;font-size:2rem;color:#fff;cursor:pointer;opacity:.8}
.lb-nav{position:absolute;top:50%;transform:translateY(-50%);font-size:2.4rem;color:#fff;cursor:pointer;opacity:.7;padding:14px;user-select:none}
.lb-nav:hover{opacity:1}.lb-prev{left:14px}.lb-next{right:14px}

/* ===== Contact ===== */
.contact{text-align:center}
.contact-card{background:linear-gradient(160deg,var(--card2),var(--card));border:1px solid var(--border);
  border-radius:24px;padding:54px 34px;box-shadow:var(--shadow-sm);max-width:760px;margin:0 auto;position:relative;overflow:hidden}
.contact-card::before{content:"";position:absolute;inset:0;background:var(--grad-soft);opacity:.5;z-index:0}
.contact-card>*{position:relative;z-index:1}
.contact h2{font-family:var(--display);font-size:clamp(1.7rem,3.4vw,2.4rem);margin-bottom:10px}
.contact p{color:var(--muted);margin-bottom:28px}
.contact-methods{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.cm{display:inline-flex;align-items:center;gap:.6rem;padding:13px 22px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid var(--border2);font-weight:500;transition:.25s}
.cm:hover{transform:translateY(-2px);border-color:var(--accent);background:rgba(109,139,255,.12)}
.cm .ic{color:var(--accent)}

/* ===== Footer ===== */
footer{padding:34px 0;border-top:1px solid var(--border);text-align:center;color:var(--muted2);font-size:.88rem}
footer .grad-text{font-family:var(--display);font-weight:700}

/* ===== Reveal animations ===== */
.reveal{opacity:0;transform:translateY(28px);transition:.7s cubic-bezier(.2,.7,.2,1)}
.reveal.visible{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

/* ===== Responsive ===== */
@media(max-width:980px){
  .hero-grid,.about-grid{grid-template-columns:1fr;gap:34px}
  .hero-card{order:-1}
  .skills-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr);margin-top:-30px}
  .stat:nth-child(3){border-left:0}
}
@media(max-width:760px){
  section{padding:72px 0}
  .nav-links{position:fixed;inset:72px 0 auto 0;flex-direction:column;background:rgba(11,16,32,.97);
    backdrop-filter:blur(14px);border-bottom:1px solid var(--border);padding:16px 22px;gap:4px;
    transform:translateY(-130%);transition:.35s;opacity:0;pointer-events:none}
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 12px;width:100%}
  .burger{display:flex}
  .projects-grid{grid-template-columns:1fr}
  .mblock ul{grid-template-columns:1fr}
  .modal-head,.modal-body{padding-left:20px;padding-right:20px}
}
@media(max-width:480px){
  .skills-grid,.stats-grid{grid-template-columns:1fr}
  .stat+.stat{border-left:0;border-top:1px solid var(--border)}
  .hero-meta{gap:14px}
}

.pcard{cursor:pointer}