/* ============ Base (shadcn-like) ============ */
:root{
  --bg: #0b0f17;
  --bg2:#070a10;
  --card:#0f172a;
  --muted:#a3a9b7;
  --text:#e6eaf2;
  --border: rgba(255,255,255,.10);
  --border2: rgba(255,255,255,.14);
  --primary:#7c3aed;
  --primary2:#22c55e;
  --danger:#ef4444;
  --shadow: 0 12px 40px rgba(0,0,0,.45);
  --shadow2: 0 8px 30px rgba(0,0,0,.35);
  --radius: 18px;
  --radius2: 14px;
  --max: 1150px;
  --ring: 0 0 0 3px rgba(124,58,237,.25);
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  --ease: cubic-bezier(.2,.8,.2,1);
}

[data-theme="light"]{
  --bg:#f6f7fb;
  --bg2:#ffffff;
  --card:#ffffff;
  --text:#0b1220;
  --muted:#5b6473;
  --border: rgba(15,23,42,.12);
  --border2: rgba(15,23,42,.16);
  --shadow: 0 14px 45px rgba(15,23,42,.10);
  --shadow2: 0 10px 28px rgba(15,23,42,.10);
  --ring: 0 0 0 3px rgba(124,58,237,.22);
}

*{ box-sizing:border-box; }
html,body{ height:100%; }
body{
  margin:0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 0%, rgba(124,58,237,.18), transparent 60%),
              radial-gradient(900px 700px at 90% 15%, rgba(34,197,94,.12), transparent 55%),
              linear-gradient(180deg, var(--bg), var(--bg2));
  color:var(--text);
  line-height:1.55;
  overflow-x:hidden;
}

a{ color:inherit; text-decoration:none; }
img{ max-width:100%; display:block; }
button, input, textarea{ font: inherit; color: inherit; }
:focus-visible{ outline:none; box-shadow: var(--ring); border-color: rgba(124,58,237,.45) !important; }

.container{
  width: min(var(--max), calc(100% - 40px));
  margin: 0 auto;
}

.section{ padding: 86px 0; }
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:18px;
  margin-bottom: 22px;
}
.section-head h2{
  margin:0;
  font-size: clamp(22px, 2.3vw, 30px);
  letter-spacing:-0.02em;
}
.section-head p{
  margin:0;
  max-width: 60ch;
  color:var(--muted);
}

.muted{ color:var(--muted); }
.small{ font-size: 13px; }
.w-full{ width:100%; }
.sr-only{
  position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip:rect(0,0,0,0); border:0;
}

.skip-link{
  position:absolute; left:-999px; top:10px;
  background:var(--card); border:1px solid var(--border);
  padding:10px 12px; border-radius:12px; box-shadow:var(--shadow2);
  z-index:9999;
}
.skip-link:focus{ left:14px; }

.bg-glow{
  position:fixed; inset:-60px;
  background:
    radial-gradient(520px 240px at 30% 10%, rgba(124,58,237,.22), transparent 65%),
    radial-gradient(520px 240px at 70% 15%, rgba(34,197,94,.16), transparent 70%);
  filter: blur(20px);
  opacity:.8;
  pointer-events:none;
  z-index:-1;
}

/* ============ Header / Nav ============ */
.site-header{
  position:sticky; top:0; z-index:50;
  backdrop-filter: blur(14px);
  background: color-mix(in oklab, var(--bg), transparent 40%);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
}

.brand{ display:flex; align-items:center; gap:10px; }
.brand-mark{
  width:34px; height:34px; border-radius: 12px;
  background: linear-gradient(135deg, rgba(124,58,237,1), rgba(34,197,94,1));
  box-shadow: 0 10px 30px rgba(124,58,237,.25);
}
.brand-text{ font-weight: 800; letter-spacing:-0.03em; }
.brand-text .muted{ font-weight: 700; }

.nav{ display:flex; align-items:center; gap:10px; }
.nav-menu{ display:flex; align-items:center; gap: 10px; }
.nav-link{
  padding: 10px 10px;
  border-radius: 12px;
  color: color-mix(in oklab, var(--text), var(--muted) 20%);
  border:1px solid transparent;
}
.nav-link:hover{
  border-color: var(--border);
  background: color-mix(in oklab, var(--card), transparent 20%);
}

.nav-toggle{ display:none; }

/* ============ UI primitives ============ */
.card{
  background: color-mix(in oklab, var(--card), transparent 4%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow2);
}
.glass{
  background: linear-gradient(180deg,
    color-mix(in oklab, var(--card), transparent 25%),
    color-mix(in oklab, var(--card), transparent 10%));
  border-color: color-mix(in oklab, var(--border), rgba(124,58,237,.18) 40%);
}
.card-header{
  display:flex; align-items:flex-start; justify-content:space-between;
  gap:16px;
  padding: 18px 18px 0 18px;
}
.card-title{ font-weight: 750; letter-spacing:-0.02em; }
.card-desc{ color:var(--muted); font-size: 13px; margin-top: 4px; }
.card-body{ padding: 16px 18px 18px 18px; }

.badge-row{ display:flex; gap:10px; flex-wrap:wrap; margin-bottom: 14px; }
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 12px; font-weight: 650;
  padding: 8px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 20%);
}
.badge-outline{
  background: transparent;
  border-color: color-mix(in oklab, var(--border), rgba(34,197,94,.25) 30%);
}

.pill{
  display:inline-flex; align-items:center; gap:8px;
  padding: 6px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  font-size: 12px;
  color: var(--muted);
}
.pill.live{ color: color-mix(in oklab, var(--text), var(--primary2) 18%); }
.dot{ width:8px; height:8px; border-radius:50%; background: var(--primary2); box-shadow: 0 0 0 3px rgba(34,197,94,.18); }

.btn{
  border:1px solid var(--border);
  background: transparent;
  color: var(--text);
  padding: 11px 14px;
  border-radius: 14px;
  font-weight: 650;
  display:inline-flex;
  align-items:center;
  gap:10px;
  cursor:pointer;
  transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
.btn:hover{ transform: translateY(-1px); border-color: var(--border2); background: color-mix(in oklab, var(--card), transparent 10%); }
.btn:active{ transform: translateY(0px); }

.btn-primary{
  border-color: rgba(124,58,237,.35);
  background: linear-gradient(135deg, rgba(124,58,237,.95), rgba(124,58,237,.65));
  box-shadow: 0 16px 40px rgba(124,58,237,.18);
}
.btn-primary:hover{ border-color: rgba(124,58,237,.55); }

.btn-secondary{
  border-color: rgba(34,197,94,.35);
  background: linear-gradient(135deg, rgba(34,197,94,.35), rgba(34,197,94,.16));
}
.btn-ghost{
  background: transparent;
  border-style:dashed;
  color: color-mix(in oklab, var(--text), var(--muted) 24%);
}
.btn-arrow{ font-weight: 900; }

.icon-btn{
  width:42px; height:42px;
  border-radius: 14px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 25%);
  cursor:pointer;
  transition: transform .18s var(--ease), background .18s var(--ease), border-color .18s var(--ease);
}
.icon-btn:hover{ transform: translateY(-1px); border-color: var(--border2); }
.icon-btn:active{ transform: translateY(0px); }

/* icons */
.icon-lines{
  display:block; width:18px; height:12px; margin:0 auto; position:relative;
}
.icon-lines::before,.icon-lines::after,.icon-lines span{
  content:""; position:absolute; left:0; right:0;
  height:2px; border-radius:2px;
  background: color-mix(in oklab, var(--text), var(--muted) 30%);
}
.icon-lines::before{ top:0; }
.icon-lines span{ top:5px; }
.icon-lines::after{ bottom:0; }

.icon-sun{
  display:block; width:16px; height:16px; margin:0 auto;
  background: radial-gradient(circle at 50% 50%, rgba(255,255,255,.9), rgba(255,255,255,.0) 70%);
  border-radius: 50%;
  outline: 2px solid color-mix(in oklab, var(--text), transparent 25%);
  outline-offset: 3px;
}

/* fields */
.input,.textarea{
  width:100%;
  border:1px solid var(--border);
  border-radius: 14px;
  padding: 12px 12px;
  background: color-mix(in oklab, var(--card), transparent 18%);
  color: var(--text);
}
.textarea{ resize: vertical; min-height: 120px; }
.label{ font-size: 13px; color: var(--muted); display:block; margin-bottom: 8px; }
.field-msg{ margin-top:6px; font-size: 12px; color: color-mix(in oklab, var(--danger), var(--text) 10%); min-height: 16px; }

/* list */
.list{ margin:0; padding-left: 18px; }
.list li{ margin: 7px 0; }
.list.compact li{ margin: 5px 0; }

/* grids */
.grid-2{ display:grid; grid-template-columns: 1.2fr 1fr; gap: 16px; }
.grid-3{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 16px; }

/* ============ Hero ============ */
.hero{ padding-top: 66px; }
.hero-grid{ display:grid; grid-template-columns: 1.15fr .85fr; gap: 18px; align-items:start; }
.hero-title{
  margin: 0;
  font-size: clamp(34px, 4.2vw, 58px);
  letter-spacing: -0.04em;
  line-height: 1.05;
}
.gradient-text{
  background: linear-gradient(135deg, rgba(124,58,237,1), rgba(34,197,94,1));
  -webkit-background-clip: text;
  background-clip:text;
  color: transparent;
}
.hero-subtitle{
  margin: 14px 0 18px;
  color: color-mix(in oklab, var(--text), var(--muted) 35%);
  max-width: 62ch;
}
.hero-cta{ display:flex; gap: 10px; flex-wrap: wrap; }

.meta-row{
  margin-top: 18px;
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.meta-card{
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 18%);
  border-radius: 16px;
  padding: 12px 12px;
}
.meta-k{ font-size: 12px; color:var(--muted); }
.meta-v{ font-weight: 700; letter-spacing:-0.02em; }

.hero-card .card-body{ padding-top: 10px; }
.terminal{
  border:1px solid var(--border);
  border-radius: 16px;
  background: color-mix(in oklab, var(--bg), transparent 15%);
  overflow:hidden;
}
.terminal-top{
  display:flex; align-items:center; gap:8px;
  padding: 10px 12px;
  border-bottom:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 10%);
}
.t-dot{ width:10px; height:10px; border-radius: 50%; }
.t-dot.red{ background:#ef4444; } .t-dot.yellow{ background:#f59e0b; } .t-dot.green{ background:#22c55e; }
.terminal-title{ margin-left:auto; color:var(--muted); font-size: 12px; font-family: var(--mono); }

.terminal-content{
  margin:0;
  padding: 12px 12px;
  font-family: var(--mono);
  font-size: 12px;
  color: color-mix(in oklab, var(--text), var(--muted) 20%);
  white-space: pre-wrap;
}
.t-muted{ color: color-mix(in oklab, var(--muted), var(--text) 15%); }

.quick-links{
  margin-top: 12px;
  display:flex; flex-wrap:wrap; gap:8px;
}
.chip{
  font-size: 12px;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 18%);
}
.chip:hover{ border-color: var(--border2); transform: translateY(-1px); transition: transform .18s var(--ease); }

.hero-mini{ margin-top: 14px; }
.mini-grid{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.mini-k{ font-size: 12px; color:var(--muted); }
.mini-v{ font-weight: 700; letter-spacing:-0.02em; }

.scroll-hint{
  margin-top: 28px;
  display:flex;
  justify-content:center;
  align-items:center;
  flex-direction:column;
  gap: 6px;
  opacity: .8;
}
.mouse{
  width:22px; height:36px;
  border-radius: 999px;
  border:1px solid var(--border);
  position:relative;
}
.mouse::after{
  content:"";
  position:absolute;
  left:50%; transform:translateX(-50%);
  top:8px;
  width:4px; height:6px;
  border-radius:999px;
  background: color-mix(in oklab, var(--text), var(--muted) 35%);
  animation: wheel 1.5s var(--ease) infinite;
}
.scroll-text{ font-size: 12px; color: var(--muted); }
@keyframes wheel{
  0%{ opacity:.2; transform: translate(-50%, 0); }
  60%{ opacity:1; transform: translate(-50%, 10px); }
  100%{ opacity:.2; transform: translate(-50%, 0); }
}

/* ============ Skills extras ============ */
.tag-wrap{ display:flex; flex-wrap:wrap; gap:8px; }
.tag{
  font-size: 12px;
  padding: 7px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: color-mix(in oklab, var(--card), transparent 20%);
}
.note{ margin-top: 10px; font-size: 13px; }

.meter{ margin-top: 12px; display:flex; flex-direction:column; gap:10px; }
.meter-row{ display:flex; justify-content:space-between; font-size: 12px; color: var(--muted); }
.bar{
  height:10px;
  border-radius: 999px;
  border:1px solid var(--border);
  background: color-mix(in oklab, var(--bg), transparent 10%);
  overflow:hidden;
}
.bar span{
  display:block; height:100%;
  background: linear-gradient(90deg, rgba(124,58,237,.95), rgba(34,197,94,.7));
  border-radius: 999px;
}

/* ============ About extras ============ */
.callout{
  border:1px solid color-mix(in oklab, var(--border), rgba(34,197,94,.22) 30%);
  background: linear-gradient(135deg, rgba(34,197,94,.16), transparent 60%);
  border-radius: 16px;
  padding: 14px 14px;
}
.callout-title{ font-weight: 800; letter-spacing:-0.02em; }
.callout-text{ color: var(--muted); margin-top: 6px; }

.kpi-row{ display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 14px 0; }
.kpi{
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px;
  background: color-mix(in oklab, var(--card), transparent 18%);
}
.kpi-n{ font-size: 20px; font-weight: 900; letter-spacing:-0.02em; }
.kpi-l{ font-size: 12px; color: var(--muted); margin-top: 2px; }

/* ============ Projects ============ */
.toolbar{
  padding: 14px 14px;
  display:flex; justify-content:space-between; gap: 12px;
  margin-bottom: 14px;
}
.toolbar-left{ display:flex; align-items:center; gap: 12px; flex-wrap:wrap; }
.toolbar-right{ display:flex; align-items:center; gap: 10px; flex-wrap:wrap; }

.segmented{
  display:flex; gap: 6px;
  border:1px solid var(--border);
  padding: 6px;
  border-radius: 16px;
  background: color-mix(in oklab, var(--card), transparent 18%);
}
.seg-btn{
  border:1px solid transparent;
  background: transparent;
  padding: 9px 10px;
  border-radius: 12px;
  cursor:pointer;
  color: var(--muted);
  font-weight: 650;
}
.seg-btn.is-active{
  border-color: rgba(124,58,237,.35);
  background: linear-gradient(135deg, rgba(124,58,237,.25), rgba(124,58,237,.12));
  color: var(--text);
}

.projects-grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.project{
  overflow:hidden;
  position:relative;
}
.project::before{
  content:"";
  position:absolute; inset:-1px;
  background: radial-gradient(500px 220px at 20% 0%, rgba(124,58,237,.18), transparent 60%),
              radial-gradient(500px 220px at 80% 10%, rgba(34,197,94,.12), transparent 65%);
  opacity:.55;
  pointer-events:none;
}
.project > *{ position:relative; }

.project-head{
  padding: 18px 18px 10px;
  display:flex; justify-content:space-between; gap: 12px;
}
.project-title{ margin:0; font-size: 16px; letter-spacing:-0.02em; }
.project-sub{ color: var(--muted); font-size: 13px; margin-top: 6px; }
.project-body{ padding: 0 18px 16px; }
.project-tags{ display:flex; flex-wrap:wrap; gap: 8px; margin-top: 12px; }
.project-actions{ padding: 0 18px 18px; display:flex; gap: 10px; flex-wrap:wrap; }
.project-btn{ width:100%; justify-content:center; }

.accordion{
  border-top:1px solid var(--border);
}
.accordion-btn{
  width:100%;
  text-align:left;
  border:0;
  background: transparent;
  padding: 12px 18px;
  cursor:pointer;
  display:flex; justify-content:space-between; align-items:center;
  color: color-mix(in oklab, var(--text), var(--muted) 18%);
}
.chev{ transition: transform .2s var(--ease); }
.project.is-open .chev{ transform: rotate(180deg); }
.accordion-panel{
  max-height: 0;
  overflow:hidden;
  transition: max-height .28s var(--ease);
}
.accordion-inner{
  padding: 0 18px 16px;
  color: color-mix(in oklab, var(--text), var(--muted) 24%);
  font-size: 13px;
}

/* ============ Timeline ============ */
.timeline{ display:flex; flex-direction:column; gap: 14px; }
.timeline-item{ padding: 16px 16px; }
.timeline-top{ display:flex; justify-content:space-between; gap: 12px; align-items:flex-start; }
.timeline-title{ margin:0; font-size: 16px; letter-spacing:-0.02em; }
.timeline-meta{ margin-top: 6px; color: var(--muted); font-size: 13px; }

/* ============ Contact ============ */
.contact-grid{
  display:grid; grid-template-columns: 1fr 1fr; gap: 12px;
}
.contact-item{
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px;
  background: color-mix(in oklab, var(--card), transparent 18%);
}
.contact-item:hover{ border-color: var(--border2); transform: translateY(-1px); transition: transform .18s var(--ease); }
.contact-k{ font-size: 12px; color: var(--muted); }
.contact-v{ font-weight: 750; letter-spacing:-0.02em; margin-top: 4px; }

.separator{ height:1px; background: var(--border); margin: 16px 0; }

.form{ display:flex; flex-direction:column; gap: 12px; }
.form-row{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions{ display:flex; gap: 10px; flex-wrap:wrap; }

/* ============ Footer ============ */
.footer{
  padding: 36px 0 60px;
  border-top:1px solid var(--border);
  background: color-mix(in oklab, var(--bg), transparent 35%);
}
.footer-inner{ display:flex; justify-content:space-between; gap: 14px; flex-wrap:wrap; }
.footer-right{ display:flex; gap: 12px; flex-wrap:wrap; }
.link{ color: var(--muted); }
.link:hover{ color: var(--text); }

/* ============ Modal ============ */
.modal::backdrop{
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(6px);
}
.modal{
  border:0;
  padding:0;
  width:min(820px, calc(100% - 26px));
  background: transparent;
}
.modal-card{
  border:1px solid var(--border);
  border-radius: 22px;
  background: color-mix(in oklab, var(--card), transparent 2%);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.modal-head{
  padding: 16px 18px;
  display:flex; justify-content:space-between; align-items:flex-start;
  border-bottom: 1px solid var(--border);
}
.modal-title{ font-size: 18px; font-weight: 850; letter-spacing:-0.02em; }
.modal-subtitle{ color: var(--muted); font-size: 13px; margin-top: 6px; }
.modal-body{ padding: 16px 18px 18px; }
.modal-tags{ display:flex; flex-wrap:wrap; gap: 8px; margin-bottom: 12px; }
.modal-text{ color: color-mix(in oklab, var(--text), var(--muted) 25%); margin: 0 0 14px; }

.modal-grid{ display:grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.modal-box{
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px;
  background: color-mix(in oklab, var(--card), transparent 18%);
}
.modal-box-title{ color: var(--muted); font-size: 12px; }
.modal-box-text{ margin-top: 6px; font-weight: 700; letter-spacing:-0.02em; }

.modal-actions{ margin-top: 14px; display:flex; gap: 10px; flex-wrap:wrap; }

/* ============ Toast ============ */
.toast-host{ display:flex; flex-direction:column; gap: 10px; }
.toast{
  border:1px solid var(--border);
  border-radius: 16px;
  padding: 12px 12px;
  background: color-mix(in oklab, var(--card), transparent 12%);
  display:flex; justify-content:space-between; gap: 12px; align-items:flex-start;
}
.toast strong{ display:block; font-size: 13px; }
.toast span{ color: var(--muted); font-size: 12px; display:block; margin-top: 2px; }
.toast .x{
  border:1px solid var(--border);
  background: transparent;
  border-radius: 12px;
  width: 34px; height: 34px;
  cursor:pointer;
}

/* ============ Responsive ============ */
@media (max-width: 980px){
  .grid-3{ grid-template-columns: 1fr 1fr; }
  .projects-grid{ grid-template-columns: 1fr 1fr; }
  .hero-grid{ grid-template-columns: 1fr; }
  .meta-row{ grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px){
  .section{ padding: 70px 0; }
  .grid-2{ grid-template-columns: 1fr; }
  .form-row{ grid-template-columns: 1fr; }
  .contact-grid{ grid-template-columns: 1fr; }
  .projects-grid{ grid-template-columns: 1fr; }
  .meta-row{ grid-template-columns: 1fr; }

  .nav-toggle{ display:inline-flex; align-items:center; justify-content:center; }
  .nav-menu{
    position:absolute;
    right: 20px; top: 62px;
    width: min(320px, calc(100% - 40px));
    flex-direction:column;
    align-items:stretch;
    gap: 6px;
    padding: 10px;
    border:1px solid var(--border);
    border-radius: 18px;
    background: color-mix(in oklab, var(--card), transparent 6%);
    box-shadow: var(--shadow);
    display:none;
  }
  .nav-menu.is-open{ display:flex; }
  .nav-link{ padding: 12px 12px; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ transition:none !important; animation:none !important; }
}