/* -----------------------
   Design tokens
------------------------ */
:root{
  --bg: #0b0d12;
  --panel: rgba(255,255,255,.06);
  --panel2: rgba(255,255,255,.08);
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.68);
  --muted2: rgba(255,255,255,.52);
  --line: rgba(255,255,255,.12);
  --accent: #87CDD7;
  --accent2:#9291D3;
  --good: #2bd67b;

  --shadow: 0 24px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --radius2: 24px;

  --container: 1100px;
  --pad: 18px;
  --pad2: 28px;

  --font: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
}

html[data-theme="light"]{
  --bg: #f7f7fb;
  --panel: rgba(10,12,18,.06);
  --panel2: rgba(10,12,18,.08);
  --text: rgba(10,12,18,.92);
  --muted: rgba(10,12,18,.68);
  --muted2: rgba(10,12,18,.52);
  --line: rgba(10,12,18,.12);
  --shadow: 0 24px 60px rgba(10,12,18,.12);
}

/* -----------------------
   Base
------------------------ */
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  background: var(--bg);
  color: var(--text);
  line-height:1.5;
}
img{max-width:100%;display:block}
a{color:inherit}
button{font:inherit}
::selection{background: rgba(135,205,215,.35)}
.container{
  width:min(var(--container), calc(100% - 2*var(--pad)));
  margin-inline:auto;
}
.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;
}
.skip-link{
  position:absolute; left:-999px; top:12px;
  background: var(--text); color: var(--bg);
  padding: 10px 12px; border-radius: 10px;
  z-index:9999;
}
.skip-link:focus{left:12px}

.section{
  padding: 70px 0;
}
.section-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap: 18px;
  margin-bottom: 18px;
}
.section-title{
  font-size: clamp(24px, 2.4vw, 34px);
  margin:0;
  letter-spacing:-.02em;
}
.section-sub{
  margin:0;
  color: var(--muted);
}

.card{
  background: linear-gradient(180deg, var(--panel), transparent 120%);
  border: 1px solid var(--line);
  border-radius: var(--radius2);
  box-shadow: var(--shadow);
  padding: var(--pad2);
  backdrop-filter: blur(10px);
}

.muted{color:var(--muted)}
.small{font-size:.92rem;color:var(--muted2)}
.dot{opacity:.6;margin:0 .4rem}
.hint{color:var(--muted2);margin-top:12px}

/* -----------------------
   Header / Nav
------------------------ */
.site-header{
  position:sticky; top:0; z-index:50;
  background: color-mix(in oklab, var(--bg) 84%, transparent);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 14px;
}
.brand{
  display:flex; align-items:center; gap:12px;
  text-decoration:none;
  min-width: 240px;
}
.brand-mark{
  width: 40px; height: 40px;
  border-radius: 14px;
  background:
    radial-gradient(120% 120% at 10% 20%, rgba(135,205,215,.85), transparent 55%),
    radial-gradient(120% 120% at 90% 80%, rgba(146,145,211,.85), transparent 55%),
    linear-gradient(180deg, var(--panel2), transparent 140%);
  border: 1px solid var(--line);
  box-shadow: 0 12px 40px rgba(0,0,0,.25);
}
.brand-text{display:flex;flex-direction:column}
.brand-name{font-weight:700;letter-spacing:-.02em}
.brand-tag{font-size:.9rem;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width: 42ch}

.nav{display:flex; align-items:center}
.nav-panel{
  display:flex; gap: 10px;
  align-items:center;
}
.nav-link{
  text-decoration:none;
  color: var(--muted);
  padding: 10px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.nav-link:hover{color:var(--text); border-color: var(--line); background: var(--panel)}
.nav-link.active{color:var(--text); border-color: color-mix(in oklab, var(--accent) 35%, var(--line)); background: color-mix(in oklab, var(--accent) 10%, var(--panel))}

.nav-toggle{
  display:none;
  width: 44px; height:44px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
}
.hamburger{
  display:block;
  width: 18px; height: 12px;
  margin-inline:auto;
  background:
    linear-gradient(var(--text),var(--text)) 0 0/100% 2px,
    linear-gradient(var(--text),var(--text)) 0 50%/100% 2px,
    linear-gradient(var(--text),var(--text)) 0 100%/100% 2px;
  background-repeat:no-repeat;
  opacity:.9;
}
.header-actions{display:flex; gap:10px; align-items:center}
.chip{
  display:inline-flex; align-items:center; gap:10px;
  padding: 10px 12px;
  border-radius: 999px;
  background: var(--panel);
  border:1px solid var(--line);
  color: var(--text);
  cursor:pointer;
}
.chip:hover{background: var(--panel2)}
.chip-dot{
  width: 8px; height: 8px; border-radius: 999px;
  background: linear-gradient(180deg,var(--accent),var(--accent2));
}

/* -----------------------
   Hero
------------------------ */
.hero{
  position:relative;
  padding: 70px 0 40px;
  overflow:hidden;
}
.hero-grid{
  display:grid;
  grid-template-columns: 1.25fr .9fr;
  gap: 22px;
  align-items: start;
}
.hero-copy{position:relative; z-index:2}
.eyebrow{
  margin:0 0 10px;
  letter-spacing:.14em;
  text-transform:uppercase;
  font-size:.85rem;
  color: var(--muted2);
}
.hero-title{
  margin:0 0 12px;
  font-size: clamp(34px, 4.4vw, 56px);
  line-height:1.05;
  letter-spacing:-.03em;
}
.hero-title .muted{display:block;color:var(--muted)}
.hero-title .accent{
  display:block;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  -webkit-background-clip:text;
  background-clip:text;
  color: transparent;
}
.hero-lead{
  margin:0 0 20px;
  font-size: clamp(16px, 1.55vw, 18px);
  color: var(--muted);
  max-width: 62ch;
}
.hero-cta{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  text-decoration:none;
  cursor:pointer;
  user-select:none;
}
.btn:hover{background: var(--panel2)}
.btn.primary{
  background: linear-gradient(90deg, color-mix(in oklab, var(--accent) 40%, var(--panel)), color-mix(in oklab, var(--accent2) 40%, var(--panel)));
  border-color: color-mix(in oklab, var(--accent) 30%, var(--line));
}
.btn.ghost{background: transparent}
.btn.small{padding: 10px 12px; border-radius: 12px; font-size: .95rem}
.hero-badges{
  display:flex; flex-wrap:wrap;
  gap: 10px;
}
.badge{
  padding: 10px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}
.badge-k{display:block;font-size:.82rem;color:var(--muted2)}
.badge-v{display:block;font-weight:650;letter-spacing:-.01em}

.hero-card{position:relative; z-index:2}
.card-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px}
.card-title{margin:0;font-size:1.15rem}
.card-sub{margin:0;color:var(--muted);font-size:.95rem}
.skill-list{margin-top: 14px; display:flex; flex-direction:column; gap: 12px}
.skill{
  display:flex; flex-direction:column; gap: 8px;
}
.skill-top{display:flex; align-items:center; justify-content:space-between; gap: 12px}
.skill-name{color:var(--muted); font-size:.95rem}
.skill-val{font-variant-numeric: tabular-nums; color:var(--muted2); font-size:.95rem}
.bar{
  height: 10px; border-radius: 999px;
  background: color-mix(in oklab, var(--panel2) 70%, transparent);
  border: 1px solid var(--line);
  overflow:hidden;
}
.bar > span{
  display:block; height:100%;
  width: 0%;
  border-radius:999px;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  transition: width 900ms cubic-bezier(.2,.9,.2,1);
}

/* blobs */
.hero-bg{position:absolute; inset:0; pointer-events:none}
.blob{
  position:absolute;
  width: 520px; height: 520px;
  border-radius: 50%;
  filter: blur(40px);
  opacity: .35;
}
.blob-a{
  left:-220px; top:-200px;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 60%);
}
.blob-b{
  right:-240px; bottom:-260px;
  background: radial-gradient(circle at 30% 30%, var(--accent2), transparent 60%);
}

/* -----------------------
   Layout helpers
------------------------ */
.grid-2{
  display:grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 18px;
  align-items:start;
}
.prose p{margin:0 0 14px}
.callout{
  padding: 12px 14px;
  border-left: 3px solid color-mix(in oklab, var(--accent) 60%, var(--line));
  background: color-mix(in oklab, var(--panel) 75%, transparent);
  border-radius: 14px;
}
.side-title{margin:0 0 10px}
.facts{margin:0;padding-left: 18px;color:var(--muted)}
.side-actions{display:flex; gap: 10px; flex-wrap:wrap; margin-top: 14px}

/* -----------------------
   Competency cards
------------------------ */
.cards{
  display:grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.ccard{
  position:relative;
  overflow:hidden;
}
.ccard .icon{
  width: 42px; height: 42px;
  display:grid; place-items:center;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel2) 70%, transparent);
  margin-bottom: 12px;
}
.ccard h3{margin:0 0 8px; letter-spacing:-.02em}
.ccard p{margin:0;color:var(--muted)}
.ccard::after{
  content:"";
  position:absolute;
  inset:auto -40px -60px auto;
  width: 160px; height: 160px;
  background: radial-gradient(circle at 30% 30%, color-mix(in oklab, var(--accent2) 60%, transparent), transparent 70%);
  filter: blur(20px);
  opacity:.35;
}

/* -----------------------
   Resume
------------------------ */
.resume-toolbar{margin-bottom: 14px}
.toolbar-row{
  display:grid;
  grid-template-columns: 1.4fr .8fr;
  gap: 14px;
  align-items:end;
}
.field{display:flex; flex-direction:column; gap: 8px}
.field-label{font-size:.9rem;color:var(--muted2)}
input, textarea, select{
  border-radius: 14px;
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 80%, transparent);
  color: var(--text);
  padding: 12px 12px;
  outline:none;
}
input:focus, textarea:focus, select:focus{
  border-color: color-mix(in oklab, var(--accent) 40%, var(--line));
  box-shadow: 0 0 0 4px color-mix(in oklab, var(--accent) 18%, transparent);
}

.timeline{
  list-style:none;
  margin: 0;
  padding: 0;
  display:flex;
  flex-direction:column;
  gap: 14px;
}
.titem{
  display:grid;
  grid-template-columns: 160px 1fr;
  gap: 14px;
  align-items:start;
  padding: 18px;
  border-radius: var(--radius2);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel), transparent 130%);
}
.twhen{
  color: var(--muted2);
  font-variant-numeric: tabular-nums;
  font-size:.95rem;
}
.trole{
  margin:0;
  font-size:1.05rem;
  letter-spacing:-.02em;
}
.tdesc{margin: 8px 0 0; color: var(--muted)}
.ttags{display:flex; gap: 8px; flex-wrap:wrap; margin-top: 10px}
.tag{
  font-size: .82rem;
  color: var(--muted);
  border: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel2) 65%, transparent);
  padding: 6px 10px;
  border-radius: 999px;
}

/* -----------------------
   Portfolio masonry
------------------------ */
.masonry{
  columns: 3;
  column-gap: 14px;
}
.pcard{
  break-inside: avoid;
  margin-bottom: 14px;
  padding: 0;
  overflow:hidden;
  cursor:pointer;
  transition: transform 150ms ease;
}
.pcard:hover{transform: translateY(-2px)}
.pimg{
  aspect-ratio: 4/3;
  background:
    radial-gradient(120% 120% at 20% 20%, color-mix(in oklab, var(--accent) 35%, transparent), transparent 55%),
    radial-gradient(120% 120% at 90% 80%, color-mix(in oklab, var(--accent2) 35%, transparent), transparent 55%),
    linear-gradient(180deg, var(--panel2), transparent 140%);
  border-bottom: 1px solid var(--line);
  position:relative;
}
.pimg img{
  width:100%; height:100%;
  object-fit:cover;
  opacity:0;
  transition: opacity 240ms ease;
}
.pimg.loaded img{opacity:1}
.pbody{padding: 14px 16px}
.ptitle{margin:0 0 6px; font-weight:650; letter-spacing:-.02em}
.pcap{margin:0; color: var(--muted)}
.pmeta{margin-top:10px; font-size:.85rem; color:var(--muted2)}

/* -----------------------
   Contact + form
------------------------ */
.contact-card .contact-title{margin:0 0 6px}
.contact-copy{color:var(--muted); margin: 14px 0}
.contact-items{display:flex; flex-direction:column; gap: 10px; margin-top: 14px}
.contact-item{display:flex; justify-content:space-between; gap: 12px; padding: 10px 12px; border:1px solid var(--line); border-radius: 14px; background: color-mix(in oklab, var(--panel) 70%, transparent)}
.contact-k{color:var(--muted2); font-size:.92rem}
.contact-v{color:var(--text); text-decoration:none}
.linklike{
  background:none; border:none; padding:0;
  color: color-mix(in oklab, var(--accent) 65%, var(--text));
  cursor:pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.contact-actions{display:flex; gap: 10px; flex-wrap:wrap; margin-top: 14px}

.form-title{margin:0 0 6px}
.form-sub{margin:0 0 14px; color:var(--muted)}
.form-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.span-2{grid-column: span 2}
.form-actions{display:flex; gap: 10px; margin-top: 14px}

/* -----------------------
   Footer + Modal + Toast
------------------------ */
.footer{
  padding: 26px 0 40px;
  border-top: 1px solid var(--line);
}
.footer-inner{
  display:flex; align-items:center; justify-content:space-between; gap: 14px;
  flex-wrap:wrap;
}

.modal{
  position:fixed; inset:0;
  display:none;
  align-items:center; justify-content:center;
  z-index:100;
}
.modal[aria-hidden="false"]{display:flex}
.modal-backdrop{
  position:absolute; inset:0;
  background: rgba(0,0,0,.55);
}
.modal-panel{
  position:relative;
  width: min(860px, calc(100% - 2*var(--pad)));
  max-height: min(80vh, 720px);
  overflow:hidden;
  border-radius: var(--radius2);
  border:1px solid var(--line);
  background: var(--bg);
  box-shadow: var(--shadow);
}
.modal-wide{width: min(980px, calc(100% - 2*var(--pad)))}
.modal-head{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--panel) 70%, transparent);
}
.modal-head h3{margin:0; font-size: 1.05rem}
.modal-body{
  padding: 16px;
  overflow:auto;
  max-height: calc(min(80vh, 720px) - 56px);
  color: var(--muted);
}
.icon-btn{
  width: 40px; height: 40px;
  border-radius: 14px;
  border:1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  cursor:pointer;
}
.icon-btn:hover{background: var(--panel2)}

.lightbox-fig{margin:0}
.lightbox-fig img{
  width: 100%;
  max-height: 56vh;
  object-fit: contain;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: var(--panel);
}
.lightbox-fig figcaption{margin-top: 10px}

.toast{
  position:fixed;
  left:50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: color-mix(in oklab, var(--panel2) 86%, transparent);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow);
  opacity:0;
  pointer-events:none;
  transition: opacity 200ms ease, transform 200ms ease;
}
.toast.show{
  opacity:1;
  transform: translateX(-50%) translateY(-4px);
}

/* -----------------------
   Responsive
------------------------ */
@media (max-width: 980px){
  .hero-grid{grid-template-columns: 1fr; }
  .grid-2{grid-template-columns: 1fr;}
  .cards{grid-template-columns: repeat(2, 1fr)}
  .toolbar-row{grid-template-columns: 1fr}
  .titem{grid-template-columns: 1fr}
  .masonry{columns: 2}
}
@media (max-width: 720px){
  .nav-toggle{display:inline-flex}
  .nav-panel{
    position:fixed;
    top: 70px;
    right: 12px;
    left: 12px;
    display:none;
    flex-direction:column;
    padding: 12px;
    border-radius: var(--radius2);
    background: color-mix(in oklab, var(--bg) 92%, transparent);
    border: 1px solid var(--line);
    box-shadow: var(--shadow);
    z-index:60;
  }
  .nav-panel.open{display:flex}
  .brand-tag{max-width: 28ch}
  .masonry{columns: 1}
  .form-grid{grid-template-columns: 1fr}
  .span-2{grid-column:auto}
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto}
  .bar > span{transition:none}
  .pcard{transition:none}
  .toast{transition:none}
}