:root{
  --bg: #0b0d10;
  --surface: #11151a;
  --surface-2: #151a21;
  --text: #e9eef5;
  --muted: #9aa6b2;
  --primary: #4A90E2; /* accent */
  --primary-2: #3777c1;
  --ring: rgba(74,144,226,.35);
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 14px;
  --header-h: 64px;
}

*{box-sizing:border-box}
html,body{height:100%}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji", sans-serif;
  color:var(--text);
  background: radial-gradient(1200px 800px at 80% -20%, #18202b 0%, #0b0d10 60%) no-repeat fixed;
  padding-top: var(--header-h);
}

/* Header */
.site-header{
  position: fixed; top:0; left:0; right:0; z-index:100; height: var(--header-h);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 18px; background:rgba(11,13,16,.7); backdrop-filter: blur(8px);
  border-bottom:1px solid #1b2026;
}
.brand{display:flex; align-items:baseline; gap:.5rem; text-decoration:none; color:var(--text)}
.brand-name{font-weight:800; letter-spacing:.3px}
.brand-tag{
  color:var(--primary);
  font-weight:700; font-size:.9rem; padding:.15rem .5rem; border:1px solid var(--primary);
  border-radius:999px; background:rgba(74,144,226,.08)
}
.site-nav{display:flex; gap:1rem; align-items:center}
.site-nav a{color:var(--muted); text-decoration:none; font-weight:600}
.site-nav a:hover{color:var(--text)}
.nav-toggle{display:none; background:none; border:0; width:42px; height:42px; border-radius:10px}
.nav-toggle .bar{display:block; width:24px; height:2px; background:var(--text); margin:5px auto}

/* Ensure buttons in the nav keep correct contrast */
.site-nav .btn-primary{color:#fff}
.site-nav .btn-primary:hover{color:#fff}

/* Buttons */
.btn{display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.9rem 1.1rem; border-radius:12px; font-weight:700; text-decoration:none; transition:.15s transform, .15s background;
  border:1px solid transparent
}
.btn:active{transform:scale(.98)}
.btn-primary{background:var(--primary); color:white; box-shadow: var(--shadow)}
.btn-primary:hover{background:var(--primary-2)}
.btn-ghost{border-color:#263041; color:var(--text); background:transparent}
.btn-ghost:hover{background:#141a22}
.btn-small{padding:.6rem .8rem; font-size:.9rem}

/* Hero */
.hero{padding:48px 20px 10px; scroll-margin-top: var(--header-h)}
.hero-inner{display:grid; grid-template-columns: 1.1fr .9fr; gap:40px; align-items:center; max-width:1100px; margin:0 auto}
.hero-copy h1{font-size: clamp(2rem, 3.5vw + .5rem, 3rem); margin:0}
.hero-copy .accent{color:var(--primary)}
.kicker{color:var(--muted); font-weight:600; margin:.4rem 0 1rem}
.tagline{line-height:1.65; color:#d8e3ee}
.cta-row{display:flex; gap:.8rem; flex-wrap:wrap; margin-top:1.2rem}

.hero-photo{
  display:flex; align-items:center; justify-content:center;
}
.hero-photo img{
  width:100%; max-width:360px; aspect-ratio: 1/1; object-fit: cover;
  border-radius: 18px; box-shadow: var(--shadow); border:1px solid #243040;
}

/* Sections */
.section{padding:64px 20px; scroll-margin-top: var(--header-h)}
.section.alt{background:var(--surface)}
.container{max-width:1100px; margin:0 auto}
h2{font-size: clamp(1.6rem, 1.4rem + 1.5vw, 2.1rem); margin:0 0 20px}
.muted{color:var(--muted)}

.two-col{display:grid; grid-template-columns: 1fr 340px; gap:24px}
.card{background:var(--surface-2); border:1px solid #1d2430; border-radius:var(--radius); padding:18px; box-shadow: var(--shadow)}
.facts{list-style:none; padding:0; margin:12px 0 0}
.facts li{margin:.4rem 0}

/* Skills */
.pill-grid{display:flex; flex-wrap:wrap; gap:10px}
.pill{background:#121821; color:#dce7f3; border:1px solid #223047; padding:.55rem .75rem; border-radius:999px; font-weight:600}

/* Timeline */
.timeline{display:grid; gap:16px; margin-top:10px}
.timeline-item{background:var(--surface-2); border:1px solid #1d2430; border-radius:var(--radius); padding:16px}
.timeline-item h3{margin:.2rem 0 .5rem; font-size:1.05rem}

/* Add breathing room before the resume CTA below timeline */
.resume-cta{margin-top:24px}

/* Education */
.edu-list{margin:0; padding-left:18px}
.edu-list li{margin:.4rem 0}

/* Projects */
.card-grid{display:grid; gap:16px; grid-template-columns: repeat(auto-fit,minmax(260px,1fr))}
.card.project .card-body{display:flex; flex-direction:column; gap:.6rem}

/* Blog links */
.link-list{margin:0; padding-left:18px}
.link-list a{color:#d6e5ff}
.link-list a:hover{text-decoration:underline}

/* About card contact list links */
.contact-list{list-style:none; padding:0; margin:.6rem 0 0}
.contact-list a{color:var(--text); text-decoration:none}
.contact-list a:hover{text-decoration:underline}

/* Contact */
.contact-cards{display:grid; gap:12px; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); margin-top:8px}
.contact-card{
  display:flex; align-items:center; gap:.6rem; padding:14px 16px; border-radius:var(--radius);
  background:var(--surface-2); border:1px solid #1d2430; text-decoration:none; color:var(--text)
}
.contact-card:hover{background:#121720}
.icon{font-size:1.2rem}

/* Footer */
.site-footer{padding:32px 20px; text-align:center; color:var(--muted); border-top:1px solid #1b2026}

/* Responsive nav */
@media (max-width: 980px){
  .hero-inner{grid-template-columns: 1fr; text-align:left}
  .two-col{grid-template-columns: 1fr}
}
@media (max-width: 860px){
  .site-nav{position:fixed; inset:var(--header-h) 12px auto 12px; background:rgba(15,17,21,.95);
    border:1px solid #253140; border-radius:16px; flex-direction:column; padding:14px; gap:10px;
    transform: translateY(-16px); opacity:0; pointer-events:none; transition:.15s opacity;
  }
  .site-nav.open{opacity:1; pointer-events:auto}
  .nav-toggle{display:inline-flex; align-items:center; justify-content:center; flex-direction:column; gap:5px}
  .nav-toggle .bar{margin:0}
}

/* Login gate */
body.gate-open{overflow:hidden}
.gate-open > :not(#login-gate){display:none}
.login-gate{position:fixed; inset:0; display:grid; place-items:center; padding:20px; z-index:1000}
.login-gate[hidden]{display:none}
.login-card{max-width:420px; width:100%; padding:20px}
.login-form{display:flex; gap:10px; margin-top:10px}
.input{flex:1 1 auto; padding:.6rem .75rem; border-radius:10px; border:1px solid #253140; background:#0f141b; color:var(--text)}
.input:focus{outline:2px solid var(--ring); outline-offset:1px}
.login-error{color:#ff6b6b; margin:.6rem 0 0}
.sr-only{position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); white-space:nowrap; border:0}
