/* ============ Tokens ============ */
:root{
  --bg:#0a0e14;
  --bg-2:#0d1219;
  --surface:#11161f;
  --surface-2:#161d28;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.14);
  --text:#e8edf4;
  --muted:#9aa7b8;
  --faint:#6b7785;
  --accent:#10d9b0;
  --accent-2:#0ea5e9;
  --accent-3:#6366f1;
  --grad:linear-gradient(105deg,#10d9b0,#0ea5e9 55%,#6366f1);
  --radius:18px;
  --maxw:1140px;
  --ease:cubic-bezier(.16,1,.3,1);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,.brand{font-family:'Sora',sans-serif;letter-spacing:-.02em;line-height:1.08}
a{color:inherit;text-decoration:none}
section{position:relative}
.grad{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* ============ Cursor glow ============ */
.cursor-glow{
  position:fixed;top:0;left:0;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(16,217,176,.10),transparent 60%);
  transform:translate(-50%,-50%);pointer-events:none;z-index:0;transition:opacity .4s;
  will-change:transform;mix-blend-mode:screen;
}
@media (max-width:760px){.cursor-glow{display:none}}

/* ============ Nav ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:1.05rem clamp(1rem,4vw,2.4rem);
  transition:background .3s,border-color .3s,padding .3s;
  border-bottom:1px solid transparent;
}
.nav.scrolled{
  background:rgba(10,14,20,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);padding-top:.7rem;padding-bottom:.7rem;
}
.brand{display:flex;align-items:center;gap:.6rem;font-weight:700;font-size:1.02rem}
.brand-mark{width:13px;height:13px;border-radius:4px;background:var(--grad);box-shadow:0 0 18px rgba(16,217,176,.6)}
.brand-logo{border-radius:8px;display:block}

/* tech stack */
.stack-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.4rem}
@media(max-width:900px){.stack-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.stack-grid{grid-template-columns:1fr}}
.stack-col h4{font-family:'Sora',sans-serif;font-size:.82rem;letter-spacing:.04em;text-transform:uppercase;color:var(--accent);margin-bottom:.9rem;font-weight:600}
.chips{list-style:none;display:flex;flex-wrap:wrap;gap:.5rem}
.chips li{font-size:.84rem;color:var(--text);background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:.35rem .7rem;transition:.2s}
.chips li:hover{border-color:var(--accent);color:var(--accent)}

/* app-icon style work cards */
.work-head{display:flex;align-items:center;gap:1rem;margin-bottom:1.1rem}
.work-icon{width:64px;height:64px;border-radius:16px;flex-shrink:0;box-shadow:0 10px 26px -10px rgba(0,0,0,.6)}
.work-titles h3{font-size:1.4rem;font-weight:700;margin-bottom:.35rem}
.work-titles .badge{display:inline-block;white-space:nowrap}
.work-card .work-body{padding:1.8rem 1.7rem}

/* repos */
.repos{display:grid;grid-template-columns:repeat(3,1fr);gap:1.1rem}
@media(max-width:900px){.repos{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.repos{grid-template-columns:1fr}}
.repo{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem 1.4rem;transition:transform .3s var(--ease),border-color .3s,background .3s}
.repo:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--surface-2)}
.repo-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:.9rem}
.repo-ic{font-size:1.4rem}
.repo-lang{font-family:'JetBrains Mono',monospace;font-size:.72rem;color:var(--faint);border:1px solid var(--line);border-radius:999px;padding:.2rem .6rem}
.repo h3{font-size:1.08rem;font-weight:600;margin-bottom:.5rem}
.repo p{color:var(--muted);font-size:.9rem;margin-bottom:.9rem}
.repos-more{text-align:center;margin-top:2rem}
.repos-more a{color:var(--accent);font-weight:600}
.repos-more a:hover{text-decoration:underline}
.nav-links{display:flex;gap:1.7rem}
.nav-links a{color:var(--muted);font-size:.92rem;font-weight:500;transition:color .2s;position:relative}
.nav-links a:hover{color:var(--text)}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-5px;width:0;height:2px;background:var(--grad);transition:width .25s var(--ease)}
.nav-links a:hover::after{width:100%}
@media (max-width:760px){.nav-links{display:none}}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:.8rem 1.4rem;border-radius:999px;font-weight:600;font-size:.95rem;
  background:var(--grad);color:#04110d;border:0;cursor:pointer;
  transition:transform .25s var(--ease),box-shadow .25s var(--ease);
  box-shadow:0 8px 30px -8px rgba(16,217,176,.5);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 40px -8px rgba(16,217,176,.65)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--line-2);box-shadow:none}
.btn-ghost:hover{border-color:var(--accent);background:rgba(16,217,176,.07);box-shadow:none}
.btn-sm{padding:.55rem 1.05rem;font-size:.88rem}

/* ============ Hero ============ */
.hero{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:7rem clamp(1rem,5vw,2rem) 4rem;overflow:hidden}
.hero-inner{position:relative;z-index:2;max-width:860px}
.eyebrow{font-family:'JetBrains Mono',monospace;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--accent);margin-bottom:1.4rem}
.hero h1{font-size:clamp(2.5rem,7vw,5rem);font-weight:800;margin-bottom:1.6rem}
.lead{font-size:clamp(1.02rem,2vw,1.22rem);color:var(--muted);max-width:680px;margin:0 auto 2.3rem}
.hero-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}
.hero-meta{list-style:none;display:flex;gap:1.8rem;justify-content:center;flex-wrap:wrap;margin-top:2.6rem;color:var(--faint);font-size:.88rem}
.hero-meta li{display:flex;align-items:center;gap:.5rem}
.dot{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* Aurora background */
.aurora{position:absolute;inset:0;z-index:0;filter:blur(70px);opacity:.6}
.blob{position:absolute;border-radius:50%;mix-blend-mode:screen;animation:float 18s ease-in-out infinite}
.blob.b1{width:46vw;height:46vw;background:radial-gradient(circle,#10d9b0,transparent 65%);top:-8%;left:-6%}
.blob.b2{width:42vw;height:42vw;background:radial-gradient(circle,#0ea5e9,transparent 65%);top:12%;right:-8%;animation-delay:-6s}
.blob.b3{width:40vw;height:40vw;background:radial-gradient(circle,#6366f1,transparent 65%);bottom:-12%;left:30%;animation-delay:-11s}
@keyframes float{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(4%,5%) scale(1.08)}66%{transform:translate(-4%,-3%) scale(.95)}}

.scroll-cue{position:absolute;bottom:2rem;left:50%;transform:translateX(-50%);width:26px;height:42px;border:2px solid var(--line-2);border-radius:14px;z-index:2}
.scroll-cue span{position:absolute;top:8px;left:50%;transform:translateX(-50%);width:4px;height:8px;border-radius:2px;background:var(--accent);animation:scroll 1.8s infinite}
@keyframes scroll{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,14px)}}

/* ============ Stats ============ */
.stats{max-width:var(--maxw);margin:0 auto;padding:1rem clamp(1rem,5vw,2rem) 2rem;display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.8rem 1.4rem;text-align:center}
.stat b{font-family:'Sora',sans-serif;font-size:clamp(1.8rem,4vw,2.6rem);font-weight:800;display:block;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat span{color:var(--muted);font-size:.86rem;display:block;margin-top:.4rem}
@media (max-width:760px){.stats{grid-template-columns:repeat(2,1fr)}}

/* ============ Sections ============ */
.section{max-width:var(--maxw);margin:0 auto;padding:clamp(4.5rem,9vw,7rem) clamp(1rem,5vw,2rem)}
.section-head{max-width:660px;margin-bottom:3rem}
.kicker{font-family:'JetBrains Mono',monospace;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:var(--accent);margin-bottom:.9rem}
.section-head h2{font-size:clamp(1.9rem,4.5vw,3rem);font-weight:700;margin-bottom:1rem}
.section-sub{color:var(--muted);font-size:1.05rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:1.1rem}
@media (max-width:980px){.cards{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.cards{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.7rem 1.5rem;transition:transform .3s var(--ease),border-color .3s,background .3s;position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:radial-gradient(400px circle at var(--mx,50%) 0,rgba(16,217,176,.08),transparent 60%);opacity:0;transition:opacity .3s}
.card:hover{transform:translateY(-4px);border-color:var(--line-2);background:var(--surface-2)}
.card:hover::before{opacity:1}
.card-icon{font-size:1.6rem;margin-bottom:1rem}
.card h3{font-size:1.18rem;margin-bottom:.6rem;font-weight:600}
.card p{color:var(--muted);font-size:.94rem;margin-bottom:1.1rem}
.card.mini h3{font-size:1.05rem}
a.card{display:block;color:inherit}
.read{display:inline-block;margin-top:.7rem;color:var(--accent);font-weight:600;font-size:.84rem}
a.card:hover .read{text-decoration:underline}
.card-tag{display:inline-block;font-family:'JetBrains Mono',monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);border:1px solid var(--line-2);border-radius:999px;padding:.2rem .6rem;margin-bottom:.9rem}
.tags{list-style:none;display:flex;flex-wrap:wrap;gap:.45rem}
.tags li{font-size:.74rem;color:var(--faint);background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:6px;padding:.22rem .5rem;font-family:'JetBrains Mono',monospace}

/* ============ Work ============ */
.work-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
@media (max-width:820px){.work-grid{grid-template-columns:1fr}}
.work-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),border-color .3s}
.work-card:hover{transform:translateY(-5px);border-color:var(--line-2)}
.work-visual{height:190px;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.work-visual.ff{background:linear-gradient(135deg,#152473,#0ea5e9)}
.work-visual.fz{background:linear-gradient(135deg,#0E7C66,#10d9b0)}
.work-visual::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 70% 20%,rgba(255,255,255,.22),transparent 55%)}
.work-logo{font-size:4.4rem;color:rgba(255,255,255,.92);position:relative;z-index:1;font-weight:300}
.work-body{padding:1.6rem 1.5rem 1.8rem}
.work-top{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin-bottom:.7rem}
.work-top h3{font-size:1.4rem;font-weight:700}
.badge{font-size:.72rem;font-family:'JetBrains Mono',monospace;color:var(--accent);border:1px solid var(--line-2);border-radius:999px;padding:.25rem .65rem;white-space:nowrap}
.work-body p{color:var(--muted);font-size:.95rem;margin-bottom:1.1rem}
.work-links{margin-top:1.2rem}
.work-links a{color:var(--accent);font-weight:600;font-size:.95rem;transition:gap .2s}
.work-links a:hover{opacity:.8}

/* ============ Timeline ============ */
.timeline{position:relative;max-width:820px;margin-left:.5rem}
.timeline::before{content:"";position:absolute;left:7px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--accent-3),transparent)}
.tl-item{position:relative;padding:0 0 2.6rem 2.4rem}
.tl-dot{position:absolute;left:0;top:6px;width:16px;height:16px;border-radius:50%;background:var(--bg);border:2px solid var(--accent);box-shadow:0 0 14px rgba(16,217,176,.5)}
.tl-head{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;flex-wrap:wrap}
.tl-content h3{font-size:1.18rem;font-weight:600}
.tl-date{font-family:'JetBrains Mono',monospace;font-size:.8rem;color:var(--faint);white-space:nowrap}
.tl-org{color:var(--accent);font-size:.9rem;font-weight:500;margin:.15rem 0 .6rem}
.tl-content p:last-child{color:var(--muted);font-size:.95rem}

/* ============ Contact ============ */
.contact{position:relative;text-align:center;padding:clamp(5rem,10vw,8rem) clamp(1rem,5vw,2rem);overflow:hidden;border-top:1px solid var(--line);margin-top:3rem}
.contact .aurora{opacity:.4}
.contact-inner{position:relative;z-index:2;max-width:640px;margin:0 auto}
.contact h2{font-size:clamp(2rem,5vw,3.2rem);font-weight:700;margin:1rem 0}
.contact-cta{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;margin-top:2rem}

/* ============ Footer ============ */
.footer{max-width:var(--maxw);margin:0 auto;padding:2rem clamp(1rem,5vw,2rem);display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:1rem;color:var(--faint);font-size:.86rem;border-top:1px solid var(--line)}
.footer-links{display:flex;gap:1.4rem}
.footer-links a{transition:color .2s}
.footer-links a:hover{color:var(--accent)}

/* ============ Reveal animation ============ */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.reveal.in{opacity:1;transform:none}
.no-js .reveal{opacity:1;transform:none}
.reveal[data-delay="1"]{transition-delay:.08s}
.reveal[data-delay="2"]{transition-delay:.16s}
.reveal[data-delay="3"]{transition-delay:.24s}
.reveal[data-delay="4"]{transition-delay:.32s}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  .blob,.dot,.scroll-cue span{animation:none}
}