/* Base */
:root{
  --bg: #0b0f14;
  --card: #111722;
  --text: #e6edf3;
  --muted: #96a3b2;
  --accent: #4f9cff;
  --accent-2: #7bd389;
  --border: #1d2633;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
html,body{padding:0;margin:0;height:100%}
body{
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.65;
}

.accent{color:var(--accent)}
.muted{color:var(--muted)}
.btn{background:var(--accent); color:#001731; padding:10px 16px; border-radius:10px; border:1px solid transparent; text-decoration:none; font-weight:600}
.btn:hover{filter:brightness(1.08)}
.btn-ghost,.ghost{background:transparent; color:var(--text); border:1px solid var(--border); padding:8px 12px; border-radius:10px; cursor:pointer; text-decoration:none}

/* Layout */
.layout{display:grid; grid-template-columns: 320px 1fr; min-height:100vh;}
.sidebar{position:sticky; top:0; align-self:start; height:100dvh; padding:28px 22px; border-right:1px solid var(--border); background:linear-gradient(180deg, rgba(17,23,34,.8), rgba(17,23,34,.4)), radial-gradient(600px 300px at 0 -10%, rgba(79,156,255,.18), transparent)}
.content{padding:40px 48px; max-width:980px}

.avatar{width:84px; height:84px; border-radius:18px; background:linear-gradient(135deg, #4f9cff33, #7bd38933); display:grid; place-items:center; font-weight:800; font-size:1.6rem; border:1px solid var(--border); color:#b8d7ff}
.name{margin:16px 0 4px; font-size:1.6rem}
.role{margin:0 0 12px; color:var(--muted)}
.social{display:flex; gap:10px; align-items:center; margin:10px 0 16px}
.social a, .social button{color:var(--text); text-decoration:none}

.side-nav{display:grid; gap:6px; margin:20px 0}
.side-nav a{padding:8px 10px; border-radius:8px; text-decoration:none; color:var(--muted); border:1px solid transparent}
.side-nav a.active, .side-nav a:hover{color:var(--text); border-color:var(--border); background:rgba(79,156,255,.08)}
.location{color:var(--muted); margin-top:auto}
.resume{display:inline-block; margin-top:10px; color:var(--accent); text-decoration:none}

/* Content */
.hero h2{font-size:clamp(1.8rem, 2.5vw + 1rem, 3rem); margin:0 0 6px}
.subtitle{color:var(--muted); margin:0 0 18px}
.actions{display:flex; gap:12px; margin:20px 0 40px}

.section{padding:40px 0; border-bottom:1px solid var(--border)}
.section:last-child{border-bottom:none}
.section h3{margin:0 0 12px; font-size:1.4rem}

/* Skills */
.skills-grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:18px}
.skills-grid > div{background:var(--card); border:1px solid var(--border); border-radius:12px; padding:18px}
.skills-grid h4{margin:0 0 8px}
.skills-grid ul{margin:0; padding-left:18px}

/* Timeline */
.timeline{display:grid; gap:16px}
.card{background:var(--card); border:1px solid var(--border); border-radius:14px; padding:18px}
.card-header{display:flex; align-items:center; justify-content:space-between; gap:16px}
.card-list{margin:10px 0 0; padding-left:18px}
.card-list li{margin:6px 0}

/* Projects */
.projects-grid{display:grid; grid-template-columns: repeat(3, 1fr); gap:16px}
.project{background:linear-gradient(180deg, rgba(123,211,137,.08), rgba(123,211,137,0)); border:1px solid var(--border); border-radius:14px; padding:18px}
.tags{display:flex; gap:8px; list-style:none; padding:0; margin:10px 0 0}
.tags li{background:#0f1722; color:#bfe9c7; border:1px solid #23402c; padding:4px 8px; border-radius:999px; font-size:.85rem}

/* Contact */
.contact-cards{display:grid; grid-template-columns: repeat(3, 1fr); gap:12px}
.contact-card{display:flex; gap:12px; align-items:center; text-decoration:none; color:var(--text); background:var(--card); border:1px solid var(--border); padding:14px; border-radius:12px}
.contact-card:hover{border-color:var(--accent)}

.site-footer{padding:20px 0 0; color:var(--muted)}
.site-footer p{margin:0}

/* Responsive */
@media (max-width: 1024px){
  .layout{grid-template-columns: 260px 1fr}
}
@media (max-width: 860px){
  .layout{grid-template-columns: 1fr}
  .sidebar{position:relative; height:auto}
  .content{padding:28px}
  .projects-grid{grid-template-columns: 1fr 1fr}
  .skills-grid{grid-template-columns: 1fr 1fr}
}
@media (max-width: 560px){
  .projects-grid{grid-template-columns: 1fr}
  .skills-grid{grid-template-columns: 1fr}
  .contact-cards{grid-template-columns: 1fr}
}