/* ============================================================
   Sheikh Maaz Abdullah — Portfolio (redesign v2)
   Premium dark theme · cyan→indigo gradient · glass surfaces
   ============================================================ */
:root{
  --bg:#070b14;
  --bg-2:#0a101f;
  --panel:rgba(255,255,255,.035);
  --panel-strong:rgba(255,255,255,.06);
  --line:rgba(148,184,255,.14);
  --line-strong:rgba(148,184,255,.28);
  --text:#e8eefb;
  --muted:#9aa8c7;
  --muted-2:#6f7d9e;
  --cyan:#22d3ee;
  --indigo:#818cf8;
  --grad:linear-gradient(92deg,#22d3ee 0%,#60a5fa 48%,#a78bfa 100%);
  --radius:18px;
  --shadow:0 20px 50px -18px rgba(2,6,18,.75);
  --font-body:'Inter',system-ui,-apple-system,'Segoe UI',Roboto,Arial,sans-serif;
  --font-display:'Sora','Inter',system-ui,sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  font-size:16.5px;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}
/* Ambient background glows */
body::before{
  content:"";position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(720px 480px at 12% -6%,rgba(34,211,238,.13),transparent 62%),
    radial-gradient(820px 560px at 88% 4%,rgba(129,140,248,.13),transparent 62%),
    radial-gradient(900px 700px at 50% 115%,rgba(96,165,250,.07),transparent 60%),
    var(--bg);
}
body::after{
  content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(148,184,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(148,184,255,.045) 1px,transparent 1px);
  background-size:56px 56px;
  -webkit-mask-image:radial-gradient(ellipse 90% 55% at 50% 0%,#000 30%,transparent 75%);
          mask-image:radial-gradient(ellipse 90% 55% at 50% 0%,#000 30%,transparent 75%);
}
::selection{background:rgba(34,211,238,.35);color:#fff}
a{color:#7dd3fc;text-decoration:none;transition:color .2s ease}
a:hover{color:#bae6fd}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.container{max-width:1120px;margin:0 auto;padding:0 24px}

/* Scroll progress */
.scroll-progress{position:fixed;top:0;left:0;height:3px;width:0;background:var(--grad);z-index:120;border-radius:0 3px 3px 0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(7,11,20,.66);
  backdrop-filter:blur(14px) saturate(150%);
  -webkit-backdrop-filter:blur(14px) saturate(150%);
  border-bottom:1px solid transparent;
  transition:border-color .3s ease,background .3s ease;
}
.site-header.scrolled{border-bottom-color:var(--line);background:rgba(7,11,20,.85)}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{
  font-family:var(--font-display);font-weight:800;font-size:1.35rem;letter-spacing:.5px;color:var(--text);
}
.logo span{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.logo:hover{color:var(--text)}
.nav-links{display:flex;align-items:center;gap:30px;list-style:none}
.nav-links a{color:var(--muted);font-size:.95rem;font-weight:500;position:relative;padding:4px 0}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;height:2px;width:0;background:var(--grad);border-radius:2px;transition:width .25s ease}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-links a.btn{color:#06121f}
.nav-links a.btn::after{display:none}
.nav-toggle{display:none;background:var(--panel);border:1px solid var(--line);color:var(--text);width:42px;height:42px;border-radius:11px;font-size:1.05rem;cursor:pointer}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--grad);color:#06121f;font-weight:600;font-size:.98rem;
  padding:13px 26px;border-radius:13px;border:1px solid transparent;
  box-shadow:0 12px 30px -10px rgba(56,150,255,.55);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn:hover{color:#06121f;transform:translateY(-2px);filter:brightness(1.06);box-shadow:0 18px 38px -12px rgba(56,150,255,.65)}
.btn:active{transform:translateY(0)}
.btn-ghost{
  background:var(--panel);color:var(--text);border-color:var(--line-strong);box-shadow:none;
}
.btn-ghost:hover{color:var(--text);background:var(--panel-strong);box-shadow:0 14px 30px -14px rgba(2,6,18,.8)}
.btn-small{padding:9px 18px;font-size:.9rem;border-radius:11px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:104px 0 84px;text-align:center}
.hero-pill{
  display:inline-flex;align-items:center;gap:10px;
  background:var(--panel);border:1px solid var(--line-strong);
  color:#c9d8f8;font-size:.86rem;font-weight:500;letter-spacing:.02em;
  padding:8px 18px 8px 14px;border-radius:999px;margin-bottom:30px;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.05);
}
.pulse-dot{width:9px;height:9px;border-radius:50%;background:#34d399;flex:none;box-shadow:0 0 0 0 rgba(52,211,153,.55);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.5)}70%{box-shadow:0 0 0 9px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.hero h1{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2.6rem,6.4vw,4.3rem);line-height:1.06;letter-spacing:-.015em;margin-bottom:20px;
}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-role{
  font-family:var(--font-display);font-weight:600;
  font-size:clamp(1.05rem,2.4vw,1.35rem);color:#c3d2f2;line-height:1.5;margin-bottom:22px;
}
.hero-lede{max-width:720px;margin:0 auto 36px;color:var(--muted);font-size:1.06rem}
.hero-lede strong{color:var(--text)}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.stats{
  display:grid;grid-template-columns:repeat(5,1fr);gap:14px;
  max-width:1020px;margin:58px auto 0;
}
.stat{
  background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px 10px 16px;backdrop-filter:blur(8px);
  transition:transform .25s ease,border-color .25s ease,background .25s ease;
}
.stat:hover{transform:translateY(-4px);border-color:var(--line-strong);background:var(--panel-strong)}
.stat strong{
  display:block;font-family:var(--font-display);font-weight:700;font-size:1.42rem;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat span{display:block;margin-top:6px;font-size:.78rem;color:var(--muted);letter-spacing:.02em;line-height:1.45}

/* ---------- Sections ---------- */
.section{padding:86px 0}
.section-alt{background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,0) 55%)}
.section .section-eyebrow{
  text-transform:uppercase;letter-spacing:.22em;font-size:.72rem;font-weight:600;color:#67e8f9;margin-bottom:12px;max-width:none;
  display:flex;align-items:center;gap:12px;
}
.section-eyebrow::after{content:"";height:1px;width:56px;background:linear-gradient(90deg,var(--cyan),transparent)}
.section-title{
  font-family:var(--font-display);font-weight:700;font-size:clamp(1.7rem,3.6vw,2.3rem);
  letter-spacing:-.01em;margin-bottom:34px;
}
.section p{color:var(--muted);margin-bottom:16px;max-width:820px}
.section p strong{color:var(--text)}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}

/* ---------- Cards ---------- */
.card{
  position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 22px;overflow:hidden;
  transition:transform .25s ease,border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(125,211,252,.5),transparent);opacity:0;transition:opacity .25s ease;
}
.card:hover{transform:translateY(-5px);border-color:var(--line-strong);background:var(--panel-strong);box-shadow:var(--shadow)}
.card:hover::before{opacity:1}
.card h3{font-family:var(--font-display);font-weight:600;font-size:1.08rem;margin-bottom:14px;color:var(--text)}
.card p{margin-bottom:10px}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:8px}
.tags li{
  font-size:.82rem;font-weight:500;color:#d5e2fb;
  background:rgba(125,211,252,.07);border:1px solid rgba(125,211,252,.16);
  padding:5px 12px;border-radius:999px;transition:border-color .2s ease,background .2s ease;
}
.tags li:hover{border-color:rgba(125,211,252,.45);background:rgba(125,211,252,.12)}

/* ---------- Experience timeline ---------- */
.timeline{position:relative;padding-left:30px}
.timeline::before{content:"";position:absolute;left:8px;top:8px;bottom:8px;width:2px;background:linear-gradient(180deg,var(--cyan),var(--indigo),transparent);border-radius:2px;opacity:.55}
.job{position:relative;padding:6px 0 34px}
.job:last-child{padding-bottom:6px}
.job::before{
  content:"";position:absolute;left:-29px;top:12px;width:13px;height:13px;border-radius:50%;
  background:var(--bg);border:3px solid var(--cyan);box-shadow:0 0 0 5px rgba(34,211,238,.12);
}
.job-head{display:flex;align-items:baseline;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:12px}
.job h3{font-family:var(--font-display);font-weight:600;font-size:1.16rem}
.job-meta{
  font-size:.8rem;font-weight:600;letter-spacing:.04em;color:#a5f3fc;white-space:nowrap;
  background:rgba(34,211,238,.09);border:1px solid rgba(34,211,238,.22);padding:4px 12px;border-radius:999px;
}
.job ul{list-style:none;max-width:880px}
.job li{position:relative;color:var(--muted);padding-left:20px;margin-bottom:9px}
.job li::before{content:"";position:absolute;left:0;top:.62em;width:7px;height:7px;border-radius:2px;background:var(--grad)}

/* ---------- Projects ---------- */
.project-tag{
  font-size:.72rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:#a5b4d9;margin-bottom:10px !important;
}
.project-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-family:var(--font-display);font-weight:700;font-size:.95rem;color:#06121f;margin-bottom:16px;
  box-shadow:0 10px 22px -8px rgba(2,6,18,.7);
}
.project-icon.g1{background:linear-gradient(135deg,#22d3ee,#60a5fa)}
.project-icon.g2{background:linear-gradient(135deg,#34d399,#22d3ee)}
.project-icon.g3{background:linear-gradient(135deg,#fbbf24,#f472b6)}
.project-icon.g4{background:linear-gradient(135deg,#a78bfa,#818cf8)}
.project-icon.g5{background:linear-gradient(135deg,#60a5fa,#a78bfa)}
.project .stack{font-size:.86rem;color:#8fb6dd;font-weight:500}
.project a{font-weight:600}
.note{color:var(--muted-2);font-size:.92rem;margin-top:22px}

/* ---------- Contact ---------- */
.contact-box{text-align:center}
.contact-box .section-eyebrow{justify-content:center}
.contact-box .section-eyebrow::after{display:none}
.contact-box p{margin-left:auto;margin-right:auto}
.contact-box .note{margin-top:26px}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--line);padding:30px 0;text-align:center}
.site-footer p{color:var(--muted-2);font-size:.9rem}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:90;width:46px;height:46px;border-radius:14px;
  background:var(--panel-strong);border:1px solid var(--line-strong);color:var(--text);font-size:1.05rem;cursor:pointer;
  backdrop-filter:blur(8px);opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity .3s ease,transform .3s ease,background .2s ease;
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{background:rgba(125,211,252,.16)}

/* ---------- Reveal animation ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .7s ease,transform .7s ease}
.reveal.visible{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:1020px){
  .stats{grid-template-columns:repeat(3,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:720px){
  body{font-size:16px}
  .nav-toggle{display:block}
  .nav-links{
    display:none;position:absolute;top:68px;left:16px;right:16px;flex-direction:column;align-items:stretch;gap:4px;
    background:rgba(10,16,31,.97);border:1px solid var(--line);border-radius:16px;padding:14px;box-shadow:var(--shadow);
  }
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:9px 12px;border-radius:9px}
  .nav-links a:hover{background:var(--panel)}
  .nav-links a::after{display:none}
  .nav-links .btn{justify-content:center;margin-top:6px}
  .hero{padding:72px 0 64px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .section{padding:64px 0}
  .timeline{padding-left:24px}
  .job::before{left:-23px}
  .job-head{flex-direction:column;gap:8px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .pulse-dot{animation:none}
  .reveal{opacity:1;transform:none;transition:none}
  .card,.stat,.btn{transition:none}
}