:root{
  --bg:#07080c; --panel:rgba(255,255,255,.04); --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.09); --text:#eef1f7; --muted:#9aa3b5;
  --cyan:#22d3ee; --violet:#8b5cf6;
  --grad:linear-gradient(120deg,var(--cyan),var(--violet));
  --radius:16px; --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--cyan);text-decoration:none}
:focus-visible{outline:2px solid var(--cyan);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;z-index:99;background:var(--panel-2);padding:8px 12px;border-radius:8px;color:var(--text)}
h1,h2,h3{line-height:1.15;margin:.2em 0 .4em;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,6vw,4rem)}
h2{font-size:clamp(1.7rem,4vw,2.4rem)}
h3{font-size:1.2rem}
p{margin:.5em 0}
.muted{color:var(--muted)}
.eyebrow{color:var(--cyan);font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;margin:0}
.lead{color:var(--muted);font-size:1.1rem;max-width:44rem}

/* Nav */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;gap:16px;padding:14px clamp(16px,4vw,40px);background:rgba(7,8,12,.8);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.brand{font-weight:800;letter-spacing:.1em;color:var(--text);font-size:1.05rem}
.brand span{color:var(--cyan)}
.links{display:none;gap:24px;margin-left:auto}
.links a{color:var(--muted);transition:color .2s}
.links a:hover{color:var(--text)}
.nav > .btn{margin-left:auto}
.menu-toggle{display:flex;flex-direction:column;gap:5px;background:none;border:1px solid var(--line);border-radius:10px;padding:10px;cursor:pointer}
.menu-toggle span{width:18px;height:2px;background:var(--text);border-radius:2px}
@media (min-width:880px){
  .links{display:flex}
  .menu-toggle{display:none}
  .nav > .btn{margin-left:0}
}
#site-nav:not(.open){}
@media (max-width:879px){
  #site-nav{position:absolute;top:100%;left:0;right:0;display:none;flex-direction:column;gap:0;margin:0;background:rgba(7,8,12,.97);border-bottom:1px solid var(--line);padding:8px clamp(16px,4vw,40px)}
  #site-nav.open{display:flex}
  #site-nav a{padding:14px 0;border-bottom:1px solid var(--line);font-size:1.05rem}
  .nav > .btn{display:none}
}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:12px 20px;border-radius:12px;border:1px solid var(--line);background:var(--panel-2);color:var(--text);font-weight:600;transition:transform .2s,border-color .2s,background .2s;cursor:pointer;min-height:44px}
.btn:hover{border-color:rgba(34,211,238,.55);transform:translateY(-1px)}
.btn-primary{background:var(--grad);border:0;color:#06080c}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent}
.btn-small{padding:9px 14px;min-height:40px;font-size:.92rem}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}

/* Hero */
.hero{position:relative;overflow:hidden;min-height:88vh;display:grid;align-items:center;gap:40px;padding:72px clamp(20px,5vw,64px) 56px;max-width:var(--max);margin:0 auto}
.hero-bg{position:absolute;inset:-20%;z-index:-1;background:
  radial-gradient(40% 40% at 20% 20%,rgba(34,211,238,.13),transparent 70%),
  radial-gradient(40% 40% at 80% 60%,rgba(139,92,246,.13),transparent 70%),
  linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px) 0 0/48px 48px,
  linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px) 0 0/48px 48px;animation:drift 22s ease-in-out infinite alternate}
@keyframes drift{to{transform:translate3d(-2%,2%,0) scale(1.03)}}
.hero-visual{width:min(420px,80vw);justify-self:center}
.hero-visual svg{width:100%;height:auto}
.nodes circle{animation:pulse 3.2s ease-in-out infinite}
.nodes circle:nth-child(2){animation-delay:.6s}.nodes circle:nth-child(3){animation-delay:1.2s}
.nodes circle:nth-child(4){animation-delay:1.8s}
@keyframes pulse{50%{opacity:.35}}
@media (min-width:900px){.hero{grid-template-columns:1.2fr 1fr}}

/* Sections */
.block{max-width:var(--max);margin:0 auto;padding:clamp(56px,9vw,96px) clamp(20px,5vw,64px);border-top:1px solid var(--line)}
.about-grid{display:grid;gap:32px;margin-top:20px}
@media (min-width:900px){.about-grid{grid-template-columns:1.6fr 1fr}}
.prose p{color:var(--muted)}
.roles{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:8px;align-content:flex-start}
.roles li{padding:8px 14px;border:1px solid var(--line);border-radius:999px;background:var(--panel);font-size:.92rem}

/* Cards */
.cards{display:grid;gap:20px;margin-top:28px;grid-template-columns:1fr}
@media (min-width:640px){.cards{grid-template-columns:repeat(2,1fr)}}
.card{position:relative;display:flex;flex-direction:column;gap:6px;padding:22px;border-radius:var(--radius);background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);transition:transform .25s,border-color .25s,box-shadow .25s}
.card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4);box-shadow:0 18px 40px -20px rgba(34,211,238,.35)}
.card-top{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.cat{font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}
.status{font-size:.75rem;padding:4px 10px;border-radius:999px;border:1px solid var(--line);font-weight:600}
.status-live{color:#4ade80;border-color:rgba(74,222,128,.35)}
.status-prototype{color:#fbbf24;border-color:rgba(251,191,36,.35)}
.status-in-development{color:var(--violet);border-color:rgba(139,92,246,.35)}
.thumb{height:120px;border-radius:12px;margin-bottom:10px;display:grid;place-items:center;position:relative;overflow:hidden;background:#0c0f17;border:1px solid var(--line)}
.thumb::before{content:"";position:absolute;inset:0;background:var(--grad);opacity:.14}
.accent-violet .thumb::before{background:linear-gradient(120deg,var(--violet),#f472b6)}
.thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:top center}
.thumb-mark{font-size:2.4rem;font-weight:800;letter-spacing:.06em;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.card p{color:var(--muted);margin:.2em 0 .4em}
.tags{list-style:none;padding:0;margin:4px 0 8px;display:flex;flex-wrap:wrap;gap:6px}
.tags li{font-size:.78rem;padding:4px 10px;border-radius:8px;background:rgba(255,255,255,.05);color:var(--muted)}
.card-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:auto;padding-top:10px}

/* Timeline */
.timeline{list-style:none;padding:0;margin:28px 0 0;border-left:1px solid var(--line);display:grid;gap:22px}
.timeline li{position:relative;padding-left:24px}
.timeline li::before{content:"";position:absolute;left:-5px;top:8px;width:9px;height:9px;border-radius:50%;background:var(--grad)}
.timeline strong{display:block;font-size:1.05rem}
.timeline p{color:var(--muted);margin:2px 0 0}

/* Skills */
.skill-grid{display:grid;gap:16px;margin-top:28px;grid-template-columns:1fr}
@media (min-width:640px){.skill-grid{grid-template-columns:repeat(2,1fr)}}
.skill-box{padding:22px;border-radius:var(--radius);background:var(--panel);border:1px solid var(--line)}
.skill-box h3{margin-top:0;font-size:1rem;color:var(--cyan)}

/* Contact & footer */
.contact-links{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 0}
.footer{border-top:1px solid var(--line);padding:40px clamp(20px,5vw,64px) 32px;text-align:center;color:var(--muted);font-size:.92rem}
.footer-inner{max-width:var(--max);margin:0 auto;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.footer nav{display:flex;flex-wrap:wrap;gap:18px;justify-content:center}
.footer nav a,.footer-inner > a:last-child{color:var(--muted)}
.footer nav a:hover,.footer-inner > a:last-child:hover{color:var(--text)}
.tagline{color:var(--text);margin:28px 0 6px;letter-spacing:.04em}
.copy{margin:0;font-size:.85rem}

/* Reveal on scroll (non-essential; content visible without JS) */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition:none!important}
}