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

:root{
  --bg:#eef6ff;
  --bg2:#ffffff;
  --card:rgba(255,255,255,0.78);
  --border:rgba(37,99,235,0.16);
  --text:#0f172a;
  --muted:#64748b;
  --primary:#2563eb;
  --secondary:#06b6d4;
  --accent:#7c3aed;
  --green:#16a34a;
  --shadow:0 20px 50px rgba(37,99,235,0.12);
}

html[data-theme="dark"]{
  --bg:#050816;
  --bg2:#0b1020;
  --card:rgba(255,255,255,0.075);
  --border:rgba(255,255,255,0.14);
  --text:#f8fafc;
  --muted:#a8b3c7;
  --primary:#38bdf8;
  --secondary:#22d3ee;
  --accent:#a78bfa;
  --green:#4ade80;
  --shadow:0 25px 70px rgba(0,0,0,0.38);
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Inter',sans-serif;
  background:
    radial-gradient(circle at 15% 10%, rgba(56,189,248,.25), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(167,139,250,.22), transparent 28%),
    radial-gradient(circle at 50% 90%, rgba(74,222,128,.14), transparent 30%),
    var(--bg);
  color:var(--text);
  line-height:1.7;
  transition:.3s;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  background-image:
    linear-gradient(rgba(100,116,139,.10) 1px, transparent 1px),
    linear-gradient(90deg, rgba(100,116,139,.10) 1px, transparent 1px);
  background-size:50px 50px;
  z-index:-1;
}

.container{
  width:90%;
  max-width:1180px;
  margin:auto;
}

/* NAVBAR */
nav{
  position:sticky;
  top:0;
  z-index:99;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(18px);
  border-bottom:1px solid var(--border);
}

html[data-theme="dark"] nav{
  background:rgba(5,8,22,.72);
}

.navbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:16px 0;
}

.logo{
  font-family:'JetBrains Mono',monospace;
  font-size:18px;
  font-weight:800;
  color:var(--primary);
}

.logo span{
  color:var(--green);
}

.nav-links{
  display:flex;
  align-items:center;
  gap:18px;
}

.nav-links a{
  text-decoration:none;
  color:var(--muted);
  font-size:14px;
  font-weight:700;
}

.nav-links a:hover{
  color:var(--primary);
}

.theme-btn{
  border:1px solid var(--border);
  background:var(--card);
  color:var(--text);
  padding:9px 14px;
  border-radius:999px;
  cursor:pointer;
  font-weight:800;
}

/* HERO */
.hero{
  min-height:92vh;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:45px;
  align-items:center;
  padding:70px 0;
}

.badge{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;
  font-size:13px;
  color:var(--primary);
  background:rgba(56,189,248,.12);
  border:1px solid var(--border);
  padding:8px 15px;
  border-radius:999px;
  margin-bottom:20px;
}

h1{
  font-size:58px;
  line-height:1.05;
  letter-spacing:-2px;
  margin-bottom:20px;
}

h1 span{
  background:linear-gradient(135deg,var(--primary),var(--secondary),var(--accent));
  -webkit-background-clip:text;
  -webkit-text-fill-color:transparent;
}

.hero p{
  color:var(--muted);
  max-width:650px;
  margin-bottom:28px;
}

/* BUTTON */
.btn-group{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

.btn{
  text-decoration:none;
  padding:13px 22px;
  border-radius:14px;
  font-weight:800;
  font-size:14px;
  transition:.3s;
}

.btn-primary{
  color:white;
  background:linear-gradient(135deg,var(--primary),var(--accent));
}

.btn-secondary{
  color:var(--text);
  background:var(--card);
  border:1px solid var(--border);
}

.btn:hover{
  transform:translateY(-4px);
}

/* PROFILE CARD */
.profile-card{
  width:100%;
  max-width:420px;
  background:#ffffff;
  border-radius:24px;
  padding:40px 30px;
  margin:auto;
  text-align:center;
  box-shadow:0 10px 30px rgba(0,0,0,0.08);
  border:1px solid #eeeeee;
}

.profile-img{
  width:160px;
  height:160px;
  margin:auto;
  margin-bottom:25px;
}

.profile-img img{
  width:100%;
  height:100%;
  object-fit:cover;
  border-radius:50%;
  border:6px solid #f3f4f6;
}

.profile-info h2{
  font-size:34px;
  font-weight:700;
  color:#111827;
  margin-bottom:10px;
}

.profile-role{
  font-size:18px;
  font-weight:600;
  color:#6366f1;
  margin-bottom:18px;
}

.profile-desc{
  font-size:15px;
  line-height:1.8;
  color:#6b7280;
  margin-bottom:25px;
}

.profile-tags{
  display:flex;
  justify-content:center;
  flex-wrap:wrap;
  gap:10px;
}

.profile-tags span{
  background:#f5f5f5;
  padding:8px 16px;
  border-radius:999px;
  font-size:13px;
  font-weight:500;
  color:#374151;
}

/* TERMINAL */
.terminal{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:28px;
  backdrop-filter:blur(18px);
  box-shadow:var(--shadow);
  overflow:hidden;
}

.terminal-top{
  display:flex;
  align-items:center;
  gap:8px;
  padding:15px;
  border-bottom:1px solid var(--border);
  background:rgba(148,163,184,.12);
}

.dot{
  width:12px;
  height:12px;
  border-radius:50%;
}

.red{background:#ff5f56;}
.yellow{background:#ffbd2e;}
.green{background:#27c93f;}

.file-name{
  font-family:'JetBrains Mono',monospace;
  color:var(--muted);
  margin-left:10px;
  font-size:13px;
}

.terminal-body{
  padding:28px;
  font-family:'JetBrains Mono',monospace;
  font-size:14px;
}

/* SECTION */
section{
  padding:75px 0;
}

.section-title{
  margin-bottom:42px;
}

.section-title small{
  font-family:'JetBrains Mono',monospace;
  color:var(--primary);
  font-weight:800;
}

.section-title h2{
  font-size:38px;
  margin-top:8px;
  margin-bottom:10px;
}

.section-title p{
  color:var(--muted);
  max-width:720px;
}

/* GRID */
.grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}

.grid-2{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:22px;
}

/* CARD */
.card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:24px;
  padding:26px;
  backdrop-filter:blur(16px);
  box-shadow:var(--shadow);
  transition:.3s;
}

.card:hover{
  transform:translateY(-6px);
  border-color:var(--primary);
}

.card h3{
  margin-bottom:12px;
}

.card p,
.card li{
  color:var(--muted);
  font-size:15px;
}

ul{
  padding-left:20px;
}

/* TAGS */
.tags{
  display:flex;
  flex-wrap:wrap;
  gap:9px;
  margin-top:16px;
}

.tag{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  background:rgba(56,189,248,.12);
  border:1px solid var(--border);
  color:var(--primary);
  padding:7px 11px;
  border-radius:999px;
  font-weight:700;
}

/* EDUCATION BOX DESIGN */
.education-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}

.education-card{
  position:relative;
  background:linear-gradient(135deg,rgba(56,189,248,.10),rgba(167,139,250,.10));
  border:1px solid var(--border);
  border-radius:28px;
  padding:30px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  overflow:hidden;
  transition:.3s ease;
}

.education-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:5px;
  background:linear-gradient(90deg,var(--primary),var(--accent),var(--green));
}

.education-card:hover{
  transform:translateY(-8px);
  border-color:var(--primary);
}

.edu-year{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  color:var(--primary);
  background:rgba(56,189,248,.12);
  border:1px solid var(--border);
  padding:7px 12px;
  border-radius:999px;
  margin-bottom:18px;
  font-weight:800;
}

.education-card h3{
  font-size:22px;
  margin-bottom:10px;
  color:var(--text);
}

.edu-place{
  color:var(--primary) !important;
  font-weight:700;
  margin-bottom:12px;
}

.education-card p{
  color:var(--muted);
  font-size:15px;
}

/* PROJECT */
.project{
  min-height:300px;
}

.project-no{
  font-family:'JetBrains Mono',monospace;
  color:var(--primary);
  font-size:13px;
  margin-bottom:10px;
  font-weight:800;
}

/* EXPERIENCE BOX DESIGN */
.experience-grid{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:24px;
}

.experience-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--border);
  border-radius:28px;
  padding:30px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
  transition:.3s ease;
  overflow:hidden;
}

.experience-card::after{
  content:"";
  position:absolute;
  right:-45px;
  top:-45px;
  width:120px;
  height:120px;
  background:radial-gradient(circle,rgba(56,189,248,.25),transparent 70%);
}

.experience-card:hover{
  transform:translateY(-8px);
  border-color:var(--primary);
}

.exp-label{
  display:inline-block;
  font-family:'JetBrains Mono',monospace;
  font-size:12px;
  color:var(--green);
  background:rgba(74,222,128,.12);
  border:1px solid rgba(74,222,128,.25);
  padding:7px 12px;
  border-radius:999px;
  margin-bottom:16px;
  font-weight:800;
}

.experience-card h3{
  color:var(--primary);
  font-size:22px;
  margin-bottom:8px;
}

.exp-date{
  color:var(--accent) !important;
  font-weight:700;
  margin-bottom:12px;
}

.experience-card p{
  color:var(--muted);
  font-size:15px;
  line-height:1.8;
}

.reference-card{
  grid-column:span 2;
  background:linear-gradient(135deg,rgba(56,189,248,.12),rgba(167,139,250,.14));
}

/* FOOTER */
footer{
  text-align:center;
  padding:30px 0;
  border-top:1px solid var(--border);
  color:var(--muted);
  font-size:14px;
}

/* RESPONSIVE */
@media(max-width:900px){
  .hero,
  .grid,
  .grid-2,
  .education-grid,
  .experience-grid{
    grid-template-columns:1fr;
  }

  h1{
    font-size:42px;
  }

  .nav-links a{
    display:none;
  }

  .reference-card{
    grid-column:span 1;
  }
}

@media(max-width:768px){
  .profile-card{
    padding:30px 20px;
  }

  .profile-info h2{
    font-size:28px;
  }

  .profile-role{
    font-size:16px;
  }
}

.about-page{
  padding-top:120px;
}

/* CENTER TITLE */
.section-title.center{
  text-align:center;
}

.section-title.center small{
  display:block;
  margin-bottom:10px;
}

.section-title.center h2{
  margin-bottom:18px;
}

.section-title.center p{
  max-width:720px;
  margin:0 auto;
  text-align:center;
}

/* ABOUT CONTENT */
.about-grid{
  display:grid;
  grid-template-columns:350px 1fr;
  gap:40px;
  align-items:center;
}

.about-image-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:30px;
  padding:20px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}

.about-image-card img{
  width:100%;
  display:block;
  border-radius:20px;
}

.about-content-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:30px;
  padding:35px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}

.about-content-card h3{
  font-size:32px;
  margin-bottom:20px;
}

.about-content-card p{
  color:var(--muted);
  margin-bottom:18px;
  line-height:1.8;
}

.about-tags{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:20px;
}

.about-tags span{
  background:rgba(56,189,248,.12);
  color:var(--primary);
  border:1px solid var(--border);
  padding:8px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
}

/* RESPONSIVE */
@media(max-width:900px){
  .about-grid{
    grid-template-columns:1fr;
  }

  .about-image-card{
    max-width:350px;
    margin:auto;
  }

  .about-content-card{
    text-align:center;
  }

  .about-tags{
    justify-content:center;
  }
}

.blog-section{
  padding:80px 0;
}

.blog-container{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:30px;
}

.blog-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:30px;
  padding:35px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  transition:.3s;
}

.blog-card:hover{
  transform:translateY(-5px);
}

.blog-date{
  display:inline-block;
  background:rgba(56,189,248,.12);
  color:var(--primary);
  border:1px solid var(--border);
  padding:8px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:700;
  margin-bottom:20px;
}

.blog-card h3{
  margin-bottom:20px;
  font-size:26px;
}

.blog-card p{
  color:var(--muted);
  line-height:1.9;
  margin-bottom:16px;
}

@media(max-width:900px){

  .blog-container{
    grid-template-columns:1fr;
  }

}

.contact-page{
  padding:120px 0;
}

.contact-grid{
  display:grid;
  grid-template-columns:350px 1fr;
  gap:30px;
}

.contact-info-card,
.contact-form-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:30px;
  padding:35px;
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
}

.contact-info-card h3{
  margin-bottom:20px;
}

.contact-item{
  margin-top:20px;
  color:var(--muted);
}

.contact-link{
    color:var(--primary);
    text-decoration:none;
    font-weight:600;
}

.contact-link:hover{
    text-decoration:underline;
}

.form-group{
  margin-bottom:20px;
}

.form-group label{
  display:block;
  margin-bottom:8px;
  font-weight:600;
}

.form-group input,
.form-group textarea{
  width:100%;
  padding:14px;
  border-radius:15px;
  border:1px solid var(--border);
  background:var(--bg2);
  color:var(--text);
  font-family:inherit;
}

.contact-btn{
  width:100%;
  border:none;
  cursor:pointer;
  padding:15px;
  border-radius:15px;
  color:white;
  font-weight:700;
  background:linear-gradient(
      135deg,
      var(--primary),
      var(--accent)
  );
}

.contact-btn:hover{
  opacity:.9;
}

@media(max-width:900px){

.contact-grid{
    grid-template-columns:1fr;
}

}