:root{
  --bg-deep:#050a24;
  --bg-mid:#0a1450;
  --bg-glow:#132a8f;
  --blue:#2f6ff0;
  --cyan:#5fd4ff;
  --violet:#7c8cff;
  --ink:#eef2ff;
  --ink-dim:#a9b3e0;
  --glass:rgba(255,255,255,.06);
  --glass-border:rgba(255,255,255,.12);
  --radius:22px;
  --ff-display:'Sora',sans-serif;
  --ff-body:'Inter',sans-serif;
}

*{
  margin:0;
  padding:0;
  box-sizing:border-box;
  scroll-behavior:smooth;
}

html{scroll-padding-top:90px;}

body{
  font-family:var(--ff-body);
  color:var(--ink);
  background:
    radial-gradient(circle at 15% 10%, var(--bg-glow) 0%, transparent 45%),
    radial-gradient(circle at 85% 30%, #1c2f8f 0%, transparent 40%),
    linear-gradient(180deg, var(--bg-deep) 0%, var(--bg-mid) 55%, var(--bg-deep) 100%);
  overflow-x:hidden;
  position:relative;
}

#network{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
}

h1,h2,h3,.logo,.btn{font-family:var(--ff-display);}

::selection{background:var(--blue);color:#fff;}

/* ---------- Header ---------- */
header{
  position:fixed;
  top:0;
  width:100%;
  padding:20px 8%;
  display:flex;
  justify-content:space-between;
  align-items:center;
  background:rgba(6,12,45,.35);
  backdrop-filter:blur(18px);
  border-bottom:1px solid transparent;
  z-index:100;
  transition:.4s;
}
header.scrolled{
  padding:14px 8%;
  background:rgba(6,12,45,.75);
  border-bottom:1px solid var(--glass-border);
}

.logo{
  font-size:26px;
  font-weight:700;
  text-decoration:none;
  color:#fff;
  letter-spacing:.5px;
}
.logo span{color:var(--cyan);}

nav{display:flex;align-items:center;gap:6px;}
nav a{
  position:relative;
  margin-left:20px;
  padding:6px 2px;
  text-decoration:none;
  color:var(--ink-dim);
  font-size:15px;
  font-weight:500;
  transition:.3s;
}
nav a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:0;height:2px;
  background:linear-gradient(90deg,var(--cyan),var(--blue));
  transition:.35s;
  border-radius:2px;
}
nav a:hover{color:#fff;}
nav a.active{color:#fff;}
nav a.active::after,nav a:hover::after{width:100%;}

.burger{display:none;flex-direction:column;gap:5px;cursor:pointer;z-index:110;}
.burger span{width:26px;height:2px;background:#fff;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);}

/* ---------- Layout basics ---------- */
section{
  position:relative;
  z-index:1;
  padding:130px 8% 90px;
}

.eyebrow{
  color:var(--cyan);
  font-size:14px;
  letter-spacing:3px;
  text-transform:uppercase;
  font-weight:600;
  margin-bottom:10px;
}
.eyebrow.center{text-align:center;}

h2{
  text-align:center;
  font-size:42px;
  font-weight:700;
  margin-bottom:55px;
  color:#fff;
}

[data-reveal]{
  opacity:0;
  transform:translateY(28px);
  transition:opacity .7s ease, transform .7s ease;
}
[data-reveal].in-view{opacity:1;transform:translateY(0);}

/* ---------- Hero ---------- */
.home{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:40px;
  min-height:100vh;
  padding-top:160px;
}

.home-content{max-width:600px;}

.home-content h1{
  font-size:64px;
  font-weight:800;
  line-height:1.05;
  background:linear-gradient(100deg,#fff 20%,var(--cyan) 60%,var(--violet) 100%);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  margin:6px 0 14px;
}

.home-content h3{
  font-size:24px;
  font-weight:600;
  color:var(--cyan);
  min-height:32px;
}
.cursor{color:var(--cyan);animation:blink 1s step-end infinite;}
@keyframes blink{50%{opacity:0;}}

.lead{
  color:var(--ink-dim);
  line-height:1.8;
  font-size:16px;
  margin:22px 0 26px;
  max-width:480px;
}

.social{display:flex;gap:14px;margin-bottom:30px;}
.social a{
  display:inline-flex;
  width:46px;height:46px;
  justify-content:center;align-items:center;
  border:1px solid var(--glass-border);
  background:var(--glass);
  border-radius:50%;
  color:#fff;
  font-size:19px;
  text-decoration:none;
  transition:.3s;
}
.social a:hover{
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  border-color:transparent;
  transform:translateY(-4px);
  box-shadow:0 8px 24px rgba(47,111,240,.4);
}

.cta-row{display:flex;gap:16px;flex-wrap:wrap;}

.btn{
  display:inline-block;
  padding:14px 34px;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  border-radius:30px;
  color:#04102e;
  font-weight:700;
  font-size:15px;
  text-decoration:none;
  transition:.35s;
  box-shadow:0 10px 30px rgba(47,111,240,.35);
}
.btn:hover{transform:translateY(-4px);box-shadow:0 14px 36px rgba(95,212,255,.45);}

.btn-ghost{
  background:transparent;
  border:1px solid var(--glass-border);
  color:#fff;
  box-shadow:none;
}
.btn-ghost:hover{
  background:var(--glass);
  border-color:var(--cyan);
  box-shadow:0 0 20px rgba(95,212,255,.2);
}

.home-img{
  position:relative;
  width:360px;
  height:360px;
  flex-shrink:0;
  display:flex;
  align-items:center;
  justify-content:center;
}
.home-img img{
  width:320px;
  height:320px;
  object-fit:cover;
  border-radius:50%;
  border:4px solid rgba(255,255,255,.15);
  box-shadow:0 0 60px rgba(47,111,240,.5), 0 0 120px rgba(95,212,255,.2);
  position:relative;
  z-index:2;
  transition:.5s;
}
.home-img img:hover{transform:scale(1.04);}

.ring{
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(95,212,255,.35);
}
.ring-1{width:360px;height:360px;animation:spin 24s linear infinite;}
.ring-2{width:400px;height:400px;border-style:dashed;border-color:rgba(124,140,255,.25);animation:spin 40s linear infinite reverse;}
@keyframes spin{to{transform:rotate(360deg);}}

.orbit-dot{
  position:absolute;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(10px);
  display:flex;align-items:center;justify-content:center;
  color:var(--cyan);
  font-size:18px;
  z-index:3;
  animation:float 6s ease-in-out infinite;
}
.dot-a{top:0;left:10px;animation-delay:0s;}
.dot-b{bottom:20px;right:-10px;animation-delay:1.5s;}
.dot-c{bottom:0;left:0;animation-delay:3s;}
@keyframes float{0%,100%{transform:translateY(0);}50%{transform:translateY(-14px);}}

/* ---------- Cards ---------- */
.card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(16px);
  border-radius:var(--radius);
  padding:40px;
  box-shadow:0 20px 50px rgba(0,0,0,.25);
}

.about-card{max-width:800px;margin:0 auto;position:relative;text-align:center;}
.quote-icon{color:var(--cyan);font-size:22px;opacity:.6;margin-bottom:14px;}
.about-card p{color:var(--ink-dim);line-height:1.85;font-size:17px;}
.about-stats{
  display:flex;
  justify-content:center;
  gap:50px;
  margin-top:32px;
  padding-top:28px;
  border-top:1px solid var(--glass-border);
}
.about-stats div{display:flex;flex-direction:column;color:var(--ink-dim);font-size:13px;text-transform:uppercase;letter-spacing:1px;}
.about-stats span{font-family:var(--ff-display);font-size:26px;color:#fff;font-weight:700;}

/* ---------- Timeline (Education) ---------- */
.timeline{
  max-width:720px;
  margin:0 auto;
  position:relative;
  padding-left:32px;
  border-left:2px solid var(--glass-border);
}
.tl-item{position:relative;margin-bottom:44px;}
.tl-item:last-child{margin-bottom:0;}
.tl-dot{
  position:absolute;
  left:-40px;
  top:6px;
  width:16px;height:16px;
  border-radius:50%;
  background:linear-gradient(135deg,var(--blue),var(--cyan));
  box-shadow:0 0 0 4px rgba(95,212,255,.15);
}
.tl-card{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:16px;
  padding:22px 26px;
}
.tl-tag{
  display:inline-block;
  font-size:12px;
  letter-spacing:1px;
  color:var(--cyan);
  text-transform:uppercase;
  margin-bottom:8px;
  font-weight:600;
}
.tl-card h3{font-size:19px;margin-bottom:4px;}
.tl-card p{color:var(--ink-dim);font-size:14.5px;}
.tl-score{color:var(--cyan) !important;font-weight:600;margin-top:4px;}

/* ---------- Skills ---------- */
.skill-groups{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:24px;
  max-width:1100px;
  margin:0 auto;
}
.skill-group{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:18px;
  padding:26px;
  transition:.35s;
}
.skill-group:hover{transform:translateY(-6px);border-color:rgba(95,212,255,.4);}
.skill-group h4{
  font-family:var(--ff-display);
  font-size:15px;
  color:#fff;
  margin-bottom:16px;
  display:flex;align-items:center;gap:8px;
}
.skill-group h4 i{color:var(--cyan);}
.chips{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  background:rgba(95,212,255,.08);
  border:1px solid rgba(95,212,255,.25);
  color:var(--ink);
  font-size:13px;
  padding:6px 14px;
  border-radius:20px;
}

/* ---------- Experience ---------- */
.exp-card{max-width:800px;margin:0 auto 30px;}
.exp-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:14px;flex-wrap:wrap;}
.exp-head h3{font-size:20px;}
.exp-sub{color:var(--cyan);font-size:14px;margin-top:4px;}
.exp-badge{
  background:linear-gradient(135deg,var(--blue),var(--violet));
  padding:6px 16px;
  border-radius:20px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.5px;
}
.exp-card p{color:var(--ink-dim);line-height:1.7;}

.badge-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(230px,1fr));
  gap:16px;
  max-width:1100px;
  margin:0 auto;
}
.badge-item{
  background:var(--glass);
  border:1px solid var(--glass-border);
  border-radius:14px;
  padding:16px 18px;
  font-size:14px;
  color:var(--ink-dim);
  display:flex;
  align-items:center;
  gap:12px;
  transition:.3s;
}
.badge-item i{color:var(--cyan);font-size:17px;flex-shrink:0;}
.badge-item:hover{border-color:rgba(95,212,255,.4);color:#fff;transform:translateY(-3px);}

/* ---------- Project ---------- */
.project-card{max-width:800px;margin:0 auto;}
.project-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;margin-bottom:14px;}
.project-top h3{font-size:22px;}
.project-link{color:var(--cyan);text-decoration:none;font-size:14px;font-weight:600;}
.project-link:hover{text-decoration:underline;}
.project-card p{color:var(--ink-dim);line-height:1.8;margin-bottom:18px;}

/* ---------- Contact ---------- */
.contact-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(220px,1fr));
  gap:24px;
  max-width:900px;
  margin:0 auto;
}
.contact-card{
  text-decoration:none;
  color:#fff;
  text-align:center;
  padding:34px 20px;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:14px;
  transition:.3s;
}
.contact-card i{font-size:26px;color:var(--cyan);}
.contact-card span{font-size:14.5px;color:var(--ink-dim);}
.contact-card:hover{transform:translateY(-6px);border-color:rgba(95,212,255,.4);box-shadow:0 20px 40px rgba(47,111,240,.25);}

/* ---------- Footer ---------- */
footer{
  position:relative;
  z-index:1;
  padding:34px;
  text-align:center;
  font-size:15px;
  color:var(--ink-dim);
  border-top:1px solid var(--glass-border);
}
footer i{color:var(--cyan);}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .home{flex-direction:column-reverse;text-align:center;padding-top:150px;gap:50px;}
  .home-content{max-width:100%;}
  .lead{margin-left:auto;margin-right:auto;}
  .cta-row{justify-content:center;}
  .social{justify-content:center;}
  .home-content h1{font-size:48px;}

  nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(75vw,300px);
    background:rgba(6,12,45,.97);
    backdrop-filter:blur(20px);
    flex-direction:column;
    align-items:flex-start;
    justify-content:center;
    gap:28px;
    padding:40px;
    transform:translateX(100%);
    transition:.4s;
    border-left:1px solid var(--glass-border);
  }
  nav.open{transform:translateX(0);}
  nav a{margin-left:0;font-size:18px;}
  .burger{display:flex;}
}

@media (max-width:520px){
  section{padding:110px 6% 70px;}
  .home-img,.home-img img{width:260px;height:260px;}
  .ring-1{width:260px;height:260px;}
  .ring-2{width:300px;height:300px;}
  h2{font-size:32px;}
  .home-content h1{font-size:40px;}
  .about-stats{gap:28px;}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;}
}