:root{
  --bg:#ffffff;
  --text-main:#111827;
  --text-muted:#6b7280;
  --accent:#2563eb;
  --accent-hover:#1d4ed8;
  --border:#e5e7eb;
  --card-bg:#f9fafb;
  --font-main:'Inter',sans-serif;
  --font-code:'JetBrains Mono',monospace;
}

*{box-sizing:border-box;margin:0;padding:0;}
body{font-family:var(--font-main);color:var(--text-main);line-height:1.6;background:var(--bg);}
a{text-decoration:none;color:inherit;transition:.2s;}
.container{max-width:1000px;margin:0 auto;padding:0 24px;}
.section{padding:100px 0;}
.bg-light{background-color:var(--card-bg);}

/* Nav */
.navbar{
  padding:24px 0;
  position:sticky; top:0;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(8px);
  z-index:100;
  border-bottom:1px solid transparent;
}
.nav-content{display:flex;justify-content:space-between;align-items:center;}
.logo{font-weight:700;font-size:1.2rem;font-family:var(--font-code);}
.dot{color:var(--accent);}
.nav-links{display:flex;gap:32px;align-items:center;}
.nav-links a:not(.btn-primary){font-size:.95rem;color:var(--text-muted);font-weight:500;}
.nav-links a:hover{color:var(--text-main);}

/* Buttons */
.btn-primary{
  background:var(--text-main);
  color:#fff;
  padding:10px 20px;
  border-radius:8px;
  font-weight:600;
  display:flex;
  align-items:center;
  gap:8px;
  font-size:.9rem;
}
.btn-primary:hover{background:var(--accent);}
.btn-secondary{
  background:var(--bg);
  border:1px solid var(--border);
  padding:10px 20px;
  border-radius:8px;
  font-weight:600;
}
.btn-secondary:hover{border-color:var(--text-main);}
.btn-ghost{
  background:transparent;
  border:1px solid transparent;
  padding:10px 14px;
  border-radius:8px;
  color:var(--text-muted);
  font-weight:600;
}
.btn-ghost:hover{border-color:var(--border);color:var(--text-main);}

.icon-sm{width:16px;height:16px;}
.icon-xs{width:14px;height:14px;}

/* Hero */
.hero{padding:120px 0 90px;}
.code-badge{
  font-family:var(--font-code);
  font-size:.9rem;
  color:var(--accent);
  margin-bottom:20px;
  background:#eff6ff;
  display:inline-block;
  padding:6px 12px;
  border-radius:6px;
}
.blink{animation:blink 1s infinite;}
@keyframes blink{50%{opacity:0;}}

.hero-grid{
  display:grid;
  grid-template-columns: 320px 1fr;
  gap: 3rem;
  align-items:start;
}

.about-image-wrapper{width:100%;}
.profile-img{
  width:100%;
  height:auto;
  border-radius:12px;
  border:1px solid var(--border);
  box-shadow:0 10px 25px rgba(17,24,39,.06);
}

.mini-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:14px;
}
.mini-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  color:var(--text-muted);
  border:1px solid var(--border);
  padding:6px 10px;
  border-radius:999px;
  background:#fff;
}

.hero h1{
  font-size:3.2rem;
  line-height:1.08;
  letter-spacing:-.03em;
  margin-bottom:18px;
}
.highlight{color:var(--accent);}
.hero-subtitle{
  font-size:1.18rem;
  color:var(--text-muted);
  max-width:680px;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:14px;align-items:center;margin-bottom:22px;}
.social-link{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border:1px solid var(--border);
  border-radius:10px;
  color:var(--text-muted);
}
.social-link:hover{border-color:var(--accent);color:var(--text-main);}

.trust-row{
  display:flex;
  gap:18px;
  flex-wrap:wrap;
  border-top:1px solid var(--border);
  padding-top:18px;
  margin-top:10px;
}
.trust-item{min-width:220px;}
.trust-k{
  display:block;
  font-family:var(--font-code);
  font-size:.75rem;
  color:var(--text-muted);
  text-transform:uppercase;
  letter-spacing:.06em;
}
.trust-v{display:block;font-weight:600;color:var(--text-main);}

/* Philosophy */
.grid-3{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:34px;
}
.feature-icon{color:var(--accent);margin-bottom:14px;}
.feature-card h3{margin-bottom:10px;font-size:1.25rem;}
.feature-card p{color:var(--text-muted);}

/* Projects */
.section-header{margin-bottom:56px;}
.section-header h2{font-size:2rem;margin-bottom:10px;}
.section-header p{color:var(--text-muted);}

.projects-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(300px,1fr));
  gap:22px;
}
.project-card{
  background:#fff;
  padding:30px;
  border:1px solid var(--border);
  border-radius:14px;
  transition:transform .2s, border-color .2s;
}
.project-card:hover{transform:translateY(-4px);border-color:var(--accent);}

.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;}
.tag{
  font-family:var(--font-code);
  font-size:.75rem;
  text-transform:uppercase;
  color:var(--accent);
  background:#eff6ff;
  padding:4px 8px;
  border-radius:6px;
}
.icon-link{color:var(--text-main);}
.lock-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:.85rem;
  color:var(--text-muted);
  border:1px dashed var(--border);
  padding:6px 10px;
  border-radius:999px;
}

.project-card h3{margin-bottom:10px;}
.project-desc{font-size:.95rem;color:var(--text-muted);margin-bottom:18px;}
.tech-stack{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  font-size:.85rem;
  color:var(--text-muted);
  font-family:var(--font-code);
  margin-bottom:16px;
}
.card-actions{display:flex;gap:10px;align-items:center;}

.btn-mini{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:9px 12px;
  border-radius:10px;
  background:var(--text-main);
  color:#fff;
  font-weight:600;
  font-size:.9rem;
}
.btn-mini:hover{background:var(--accent);}
.btn-mini-ghost{
  background:#fff;
  color:var(--text-main);
  border:1px solid var(--border);
}
.btn-mini-ghost:hover{border-color:var(--text-main);}

/* Notes */
.notes-list{display:flex;flex-direction:column;gap:24px;}
.note-item{
  display:block;
  border-left:2px solid var(--border);
  padding:14px 0 14px 22px;
  transition:.2s;
}
.note-item:hover{border-left-color:var(--accent);transform:translateX(2px);}
.note-date{font-family:var(--font-code);font-size:.8rem;color:var(--text-muted);}
.note-title{font-size:1.45rem;margin:8px 0;}
.note-excerpt{color:var(--text-muted);margin-bottom:10px;max-width:820px;}
.read-more{font-weight:700;font-size:.9rem;color:var(--text-main);}

/* Footer */
.footer{border-top:1px solid var(--border);padding:70px 0 38px;}
.footer-flex{display:flex;justify-content:space-between;gap:22px;margin-bottom:36px;}
.footer-right{display:flex;gap:20px;flex-wrap:wrap;}
.footer-right a{color:var(--text-muted);}
.footer-right a:hover{color:var(--accent);}
.copyright{font-size:.85rem;color:var(--text-muted);text-align:center;opacity:.65;}

/* Responsive */
@media (max-width: 900px){
  .hero-grid{grid-template-columns: 1fr; gap: 2rem;}
  .about-image-wrapper{max-width: 320px; margin:0 auto;}
  .hero h1{font-size:2.6rem;}
}
@media (max-width: 768px){
  .nav-links{display:none;}
  .footer-flex{flex-direction:column;}
}