:root{
  --bg:#0b0d10;
  --bg-soft:#12151a;
  --card:#161a20;
  --border:#232830;
  --text:#e8eaed;
  --text-dim:#9aa3ad;
  --accent:#4f8cff;
  --accent-soft:#1c2a44;
  --nav-bg:rgba(11,13,16,.85);
  --radius:10px;
  --max:1080px;
}

:root[data-theme="light"]{
  --bg:#f7f8fa;
  --bg-soft:#eef0f3;
  --card:#ffffff;
  --border:#e2e5ea;
  --text:#14171c;
  --text-dim:#5b636f;
  --accent:#2f6fe0;
  --accent-soft:#e4ecfd;
  --nav-bg:rgba(247,248,250,.85);
}

@media (prefers-color-scheme: light){
  :root:not([data-theme]){
    --bg:#f7f8fa;
    --bg-soft:#eef0f3;
    --card:#ffffff;
    --border:#e2e5ea;
    --text:#14171c;
    --text-dim:#5b636f;
    --accent:#2f6fe0;
    --accent-soft:#e4ecfd;
    --nav-bg:rgba(247,248,250,.85);
  }
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  transition:background-color .2s ease,color .2s ease;
}

.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}

a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

h1,h2,h3{line-height:1.2;margin:0 0 .5em}
h2{font-size:1.6rem;margin-bottom:1.2em;border-bottom:1px solid var(--border);padding-bottom:.5em}

/* Nav */
.nav{position:sticky;top:0;background:var(--nav-bg);backdrop-filter:blur(8px);border-bottom:1px solid var(--border);z-index:10}
.nav-inner{display:flex;align-items:center;gap:16px;padding:14px 20px}
.logo{font-weight:700;color:var(--text);margin-right:auto}
.logo:hover{text-decoration:none}
.nav nav{display:flex;gap:18px;align-items:center;flex-wrap:wrap}
.nav nav a{color:var(--text-dim);font-size:.92rem;position:relative}
.nav nav a:hover{color:var(--text);text-decoration:none}
.nav nav a.active{color:var(--text)}
.nav nav a.active:not(.btn-nav)::after{content:"";position:absolute;left:0;right:0;bottom:-16px;height:2px;background:var(--accent)}
.btn-nav{color:var(--text) !important;background:var(--accent-soft);padding:6px 12px;border-radius:6px}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:8px;border:1px solid var(--border);
  background:var(--card);color:var(--text-dim);cursor:pointer;flex:0 0 auto;
}
.icon-btn:hover{color:var(--text);border-color:var(--accent)}
.icon-moon{display:none}
:root[data-theme="light"] .icon-sun{display:none}
:root[data-theme="light"] .icon-moon{display:block}
@media (prefers-color-scheme: light){
  :root:not([data-theme]) .icon-sun{display:none}
  :root:not([data-theme]) .icon-moon{display:block}
}
.menu-btn{display:none}

/* Hero */
.hero{padding:64px 20px 48px}
.eyebrow{color:var(--accent);text-transform:uppercase;letter-spacing:.08em;font-size:.8rem;font-weight:600;margin:0 0 .6em}
.hero h1{font-size:2.6rem;margin-bottom:.3em}
.lede{color:var(--text-dim);font-size:1.05rem;max-width:640px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0}
.tag{background:var(--card);border:1px solid var(--border);padding:5px 12px;border-radius:20px;font-size:.82rem;color:var(--text-dim)}
.hero-actions{display:flex;gap:12px;margin:22px 0}
.btn{display:inline-block;padding:10px 20px;border-radius:8px;border:1px solid var(--border);color:var(--text)}
.btn:hover{border-color:var(--accent);text-decoration:none}
.btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-primary:hover{opacity:.9}
.availability-line{color:var(--text-dim);font-size:.85rem;margin:10px 0 0}

.contact-row{display:flex;flex-wrap:wrap;gap:8px;margin:22px 0 0}
.icon-pill{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--card);border:1px solid var(--border);color:var(--text-dim);
  padding:7px 14px;border-radius:20px;font-size:.85rem;
}
a.icon-pill:hover{border-color:var(--accent);color:var(--text);text-decoration:none}
.icon-pill svg{width:15px;height:15px;flex:0 0 auto}

.hero-grid{display:flex;align-items:center;gap:48px;justify-content:space-between}
.hero-photo{flex:0 0 auto}
.hero-photo img{
  width:180px;height:180px;border-radius:50%;object-fit:cover;
  border:1px solid var(--border);background:var(--card);
}

.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  padding:28px 20px;margin-bottom:8px;
}
.stat{
  text-align:center;background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);padding:20px 12px;
}
.stat-num{display:block;font-size:1.8rem;font-weight:700;color:var(--accent)}
.stat-label{display:block;font-size:.78rem;color:var(--text-dim);margin-top:4px}

@media (max-width:720px){
  .stats{grid-template-columns:repeat(2,1fr)}
}

/* Sections */
.section{padding:48px 20px}

/* Reveal on scroll */
[data-reveal]{opacity:0;transform:translateY(16px);transition:opacity .5s ease,transform .5s ease}
[data-reveal].revealed{opacity:1;transform:none}
@media (prefers-reduced-motion: reduce){
  [data-reveal]{opacity:1;transform:none;transition:none}
}

/* Skills */
.skills-grid{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.skill-bars{list-style:none;padding:0;margin:0}
.skill-bars li{display:grid;grid-template-columns:110px 1fr 44px;align-items:center;gap:10px;margin-bottom:12px;font-size:.9rem}
.bar{background:var(--bg-soft);border-radius:6px;height:8px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:6px}
.skill-bars em{color:var(--text-dim);font-style:normal;text-align:right;font-size:.85rem}
.pill-list{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.pill-list li{background:var(--accent-soft);color:var(--accent);padding:6px 14px;border-radius:20px;font-size:.85rem}

/* Timeline / jobs */
.timeline{display:flex;flex-direction:column;gap:32px}
.job{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:22px 24px}
.job-head h3{font-size:1.15rem}
.job-meta{color:var(--text-dim);font-size:.88rem}
.job ul{margin:12px 0;padding-left:20px}
.job li{margin-bottom:6px;font-size:.94rem}
.job p{font-size:.94rem;margin:10px 0}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-top:14px}
.chips span{background:var(--bg-soft);border:1px solid var(--border);color:var(--text-dim);padding:3px 10px;border-radius:14px;font-size:.75rem}

/* Cards / projects / testimonials */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px;overflow:hidden}
.card h3{font-size:1.05rem}
.card-meta{color:var(--text-dim);font-size:.82rem;margin:6px 0 12px}
.card p{font-size:.9rem;margin:0 0 10px}
.testimonials .card p:first-child{font-style:italic}

.case-study{grid-column:1 / -1;border-color:var(--accent)}
.case-study-badge{
  display:inline-block;background:var(--accent-soft);color:var(--accent);
  font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.04em;
  padding:3px 10px;border-radius:12px;margin-bottom:8px;
}
.case-study p strong{color:var(--text)}

.writing-more{margin-top:16px;font-size:.9rem}

.project-gallery{
  position:relative;display:flex;gap:8px;overflow-x:auto;
  margin:-20px -20px 16px;padding:12px 20px;background:var(--bg-soft);
  -webkit-overflow-scrolling:touch;
}
.project-gallery img{
  flex:0 0 auto;height:240px;width:auto;max-width:80%;
  object-fit:contain;border-radius:6px;
  background:var(--card);cursor:zoom-in;display:block;
}
.gallery-more{
  position:absolute;bottom:20px;right:20px;
  background:rgba(0,0,0,.65);color:#fff;border:1px solid rgba(255,255,255,.2);
  border-radius:20px;padding:6px 14px;font-size:.78rem;cursor:pointer;
  backdrop-filter:blur(4px);
}
.gallery-more:hover{background:rgba(0,0,0,.8)}

/* Lightbox */
.lightbox{
  position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:100;
  display:none;align-items:center;justify-content:center;padding:40px;
}
.lightbox.open{display:flex}
.lightbox img{max-width:100%;max-height:100%;border-radius:8px}
.lightbox-close,.lightbox-prev,.lightbox-next{
  position:absolute;background:var(--card);border:1px solid var(--border);
  color:var(--text);border-radius:50%;width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.2rem;
}
.lightbox-close{top:16px;right:16px}
.lightbox-prev{left:16px;top:50%;transform:translateY(-50%)}
.lightbox-next{right:16px;top:50%;transform:translateY(-50%)}
.lightbox-prev:hover,.lightbox-next:hover,.lightbox-close:hover{border-color:var(--accent)}

.card-meta.person{display:flex;align-items:center;gap:10px;margin-top:14px}
.card-meta.person img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:0 0 auto}
.card-meta.person span{line-height:1.4}

.contact-section{text-align:center;padding-top:20px;padding-bottom:60px}
.contact-section .btn{margin-top:12px}

footer{padding:30px 20px;color:var(--text-dim);font-size:.82rem;text-align:center;border-top:1px solid var(--border)}

@media (max-width:720px){
  .hero h1{font-size:2rem}
  .skills-grid{grid-template-columns:1fr}
  .hero-grid{flex-direction:column-reverse;gap:24px;text-align:center}
  .hero-photo img{width:140px;height:140px}
  .contact-row{justify-content:center}

  .menu-btn{display:inline-flex}
  .nav nav{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    flex-direction:column;
    align-items:flex-start;
    gap:0;
    background:var(--bg);
    border-bottom:1px solid var(--border);
    padding:8px 20px 16px;
  }
  .nav nav.open{display:flex}
  .nav nav a{width:100%;padding:10px 0;border-bottom:1px solid var(--border)}
  .nav nav a.active::after{display:none}
  .nav nav a:last-child{border-bottom:none}
  .btn-nav{margin-top:8px;text-align:center}
}