:root{
  --bg:#0b1220; --bg2:#0f172a; --card:#111c33; --card2:#0d1628;
  --ink:#e6edf7; --muted:#9fb0c7; --line:#223354;
  --accent:#2dd4bf; --accent2:#f59e0b; --sky:#7dd3fc;
  --radius:16px; --max:1100px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
html,body{overflow-x:hidden}
body{background:var(--bg);color:var(--ink);font-family:'Inter',system-ui,-apple-system,'Segoe UI',sans-serif;line-height:1.65;font-size:16.5px}
img{max-width:100%}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{font-family:'Sora','Inter',system-ui,sans-serif;letter-spacing:-.015em;text-wrap:balance}
.container{max-width:var(--max);margin:0 auto;padding:0 20px;width:100%}
.muted{color:var(--muted);font-size:.94em}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(11,18,32,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-top:13px;padding-bottom:13px;position:relative}
.logo{font-family:'JetBrains Mono',monospace;font-weight:700;color:var(--ink);font-size:1rem;white-space:nowrap}
.logo span{color:var(--accent)}
.logo:hover{text-decoration:none}
.nav-links{list-style:none;display:flex;gap:24px;align-items:center}
.nav-links a{color:var(--ink);font-size:.93rem;font-weight:500;position:relative;padding-bottom:3px}
.nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .3s ease}
.nav-links a:hover{text-decoration:none;color:var(--accent)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-cta{border:1px solid var(--accent);color:var(--accent)!important;padding:7px 15px;border-radius:999px}
.nav-cta::after{display:none}
.nav-cta:hover{background:var(--accent);color:#06251f!important}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--ink);border-radius:8px;padding:6px 12px;font-size:1.1rem;cursor:pointer;line-height:1}

/* Hero */
.hero{display:flex;flex-direction:column;align-items:center;text-align:center;padding-top:72px;padding-bottom:56px}
.hero h1{font-size:3.3rem;line-height:1.04;font-weight:800;margin-top:26px}
.hero-headline{font-family:'Caveat','Segoe Script',cursive;font-size:3rem;font-weight:700;color:var(--accent);line-height:1.15;margin-top:12px}
.hero-subhead{font-family:'Sora',sans-serif;font-size:1.3rem;font-weight:600;color:var(--ink);letter-spacing:.02em;margin-top:20px}
.hero-tagline{font-family:'JetBrains Mono',monospace;font-size:.95rem;color:var(--muted);letter-spacing:.16em;margin-top:7px}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:28px}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:600;font-size:.97rem;transition:transform .25s ease,box-shadow .25s ease,background .25s ease,border-color .25s ease,color .25s ease}
.btn:hover{text-decoration:none;transform:translateY(-2px)}
.btn-primary{background:var(--accent);color:#04241e}
.btn-primary:hover{background:#5eead4;box-shadow:0 10px 30px rgba(45,212,191,.25)}
.btn-ghost{border:1px solid var(--line);color:var(--ink)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-links{list-style:none;display:flex;gap:22px;margin-top:30px;flex-wrap:wrap;justify-content:center;padding:0}
.hero-links a{font-family:'JetBrains Mono',monospace;font-size:.87rem}
.hero-photo{position:relative;display:flex;justify-content:center}
.hero-photo::before{content:"";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:230px;height:230px;border-radius:50%;background:radial-gradient(closest-side,rgba(45,212,191,.22),transparent);filter:blur(10px);z-index:0;animation:pulseGlow 5s ease-in-out infinite}
@keyframes pulseGlow{0%,100%{opacity:.55}50%{opacity:1}}
.hero-photo img{position:relative;z-index:1;flex:none;width:172px;height:172px;aspect-ratio:1/1;border-radius:50%;border:3px solid var(--accent);object-fit:cover;object-position:center;background:#d8d2c8;box-shadow:0 16px 40px rgba(0,0,0,.45)}

/* Hero entrance */
.anim{animation:fadeUp .7s cubic-bezier(.2,.7,.3,1) both;animation-delay:var(--d,0s)}
@keyframes fadeUp{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:none}}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;padding-bottom:6px}
.stat{background:var(--card2);border:1px solid var(--line);border-radius:var(--radius);padding:18px;transition:transform .25s ease,border-color .25s ease}
.stat:hover{transform:translateY(-3px);border-color:var(--accent)}
.stat-num{display:block;font-family:'Sora',sans-serif;font-size:1.55rem;font-weight:800;color:var(--accent)}
.stat-label{color:var(--muted);font-size:.86rem;line-height:1.4;display:block;margin-top:3px}

/* Sections */
.section{padding-top:58px;padding-bottom:4px}
.section h2{font-size:1.95rem;font-weight:800;margin-bottom:26px}
.section h2::after{content:"";display:block;width:54px;height:3px;background:linear-gradient(90deg,var(--accent),transparent);border-radius:2px;margin-top:9px}
.section-lede{color:var(--muted);margin:-12px 0 22px;max-width:38em}
.about-copy{max-width:44em}
.about-copy p{margin-bottom:14px;color:#cbd8ea;font-size:1.04rem}
.about-lead{font-family:'Sora',sans-serif;font-size:1.3rem;font-weight:700;color:#fff}
.about-cta{margin-top:20px}

/* Cards */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.cards-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:18px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease}
.card:hover{transform:translateY(-4px);border-color:rgba(45,212,191,.55);box-shadow:0 16px 40px rgba(0,0,0,.35)}
.card h3{font-size:1.18rem;margin-bottom:10px}
.card-intro{color:var(--muted);font-size:.96rem;margin-bottom:12px}
.card ul{list-style:none}
.card li{padding:6px 0 6px 19px;position:relative;color:#cbd8ea;font-size:.96rem}
.card li::before{content:"▸";position:absolute;left:0;color:var(--accent)}
.card-kicker{font-family:'JetBrains Mono',monospace;font-size:.75rem;text-transform:uppercase;letter-spacing:.1em;color:var(--accent2);margin-bottom:9px}
.clean-list li::before{content:""}
.clean-list li{padding-left:0;margin-bottom:14px}

/* Projects */
.project-featured{background:linear-gradient(135deg,var(--card) 0%,#12294a 100%);border:1px solid var(--accent);border-radius:var(--radius);padding:28px}
.project-featured h3{font-family:'Sora',sans-serif;font-size:1.45rem;margin-bottom:10px}
.project-featured p{color:#cbd8ea;max-width:46em;margin-bottom:10px}
.project-links{margin-top:12px}
.project-links a{font-weight:600}
.project-tags{margin-top:16px;display:flex;gap:8px;flex-wrap:wrap}
.project-tags span,.skill-group span{font-family:'JetBrains Mono',monospace;font-size:.73rem;border:1px solid var(--line);color:var(--muted);padding:4px 10px;border-radius:999px}
.project{height:100%}
.project p{color:#cbd8ea;font-size:.97rem}
.project h3{font-size:1.2rem}

/* Timeline */
.timeline{list-style:none}
.timeline li{display:grid;grid-template-columns:170px 1fr;gap:26px;padding:20px 0;border-bottom:1px solid var(--line)}
.timeline li:last-child{border-bottom:none}
.timeline-date{font-family:'JetBrains Mono',monospace;color:var(--accent);font-size:.85rem;padding-top:4px}
.timeline h3{font-size:1.08rem;margin-bottom:6px}
.timeline p{color:#cbd8ea;font-size:.96rem;max-width:44em}

/* Skills */
.skills{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:24px}
.skill-group{background:var(--card2);border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.skill-group h3{font-size:.98rem;margin-bottom:11px;color:var(--accent)}
.skill-group p{display:flex;gap:8px;flex-wrap:wrap}
.skill-group span{transition:border-color .2s ease,color .2s ease}
.skill-group span:hover{border-color:var(--accent);color:var(--ink)}

/* Repos */
.repo-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px}
.repo{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;color:var(--ink);transition:transform .25s ease,border-color .25s ease}
.repo:hover{border-color:var(--accent);text-decoration:none;transform:translateY(-3px)}
.repo strong{font-family:'JetBrains Mono',monospace;font-size:.92rem;color:var(--accent);display:block;overflow-wrap:anywhere}
.repo span{display:block;color:#cbd8ea;font-size:.9rem;margin:7px 0}
.repo em{font-style:normal;font-family:'JetBrains Mono',monospace;font-size:.73rem;color:var(--muted)}

/* Join + contact */
.join-card{border-color:rgba(45,212,191,.6)}
.join-card p{color:#cbd8ea}
.cta-row{margin-top:22px}
.contact{padding-bottom:72px}
.contact p{color:#cbd8ea;max-width:38em}
.site-footer{border-top:1px solid var(--line);margin-top:16px}
.footer-inner{display:flex;justify-content:space-between;gap:14px;padding-top:22px;padding-bottom:22px;color:var(--muted);font-size:.88rem;flex-wrap:wrap}

/* Reveal on scroll */
.reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive ---------- */
@media (max-width:900px){
  .hero{padding-top:48px;padding-bottom:44px}
  .hero h1{font-size:2.55rem}
  .hero-headline{font-size:2.5rem}
  .stats{grid-template-columns:repeat(2,1fr)}
  .cards-3,.cards-2,.skills{grid-template-columns:1fr}
  .repo-grid{grid-template-columns:repeat(2,1fr)}
  .timeline li{grid-template-columns:1fr;gap:4px;padding:16px 0}
}
@media (max-width:640px){
  body{font-size:16px}
  .container{padding:0 16px}
  .nav{gap:10px}
  .logo{font-size:.92rem}
  .nav-links{display:none;position:absolute;top:calc(100% + 13px);left:-16px;right:-16px;background:var(--bg2);flex-direction:column;align-items:stretch;padding:14px 20px 18px;gap:2px;border-bottom:1px solid var(--line);box-shadow:0 24px 40px rgba(0,0,0,.4)}
  .nav-links.open{display:flex}
  .nav-links a{display:block;padding:10px 2px}
  .nav-links a::after{display:none}
  .nav-cta{text-align:center;margin-top:8px;padding:10px 15px}
  .nav-toggle{display:block}
  .hero{padding-top:36px}
  .hero h1{font-size:2.3rem}
  .hero-headline{font-size:2.15rem}
  .hero-subhead{font-size:1.12rem}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{text-align:center}
  .hero-photo img{width:132px;height:132px;border-width:2px}
  .section{padding-top:44px}
  .section h2{font-size:1.6rem;margin-bottom:20px}
  .stats{gap:10px}
  .stat{padding:14px}
  .stat-num{font-size:1.3rem}
  .stat-label{font-size:.8rem}
  .card,.project-featured{padding:20px}
  .repo-grid{grid-template-columns:1fr}
  .about-lead{font-size:1.15rem}
  .footer-inner{flex-direction:column;gap:6px}
}
@media (prefers-reduced-motion:reduce){
  .reveal,.anim{opacity:1;transform:none;transition:none;animation:none}
    .hero-photo::before{animation:none}
  html{scroll-behavior:auto}
  *{transition:none!important}
}