:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,0.06);
  --card2: rgba(255,255,255,0.04);
  --text: rgba(255,255,255,0.92);
  --muted: rgba(255,255,255,0.70);
  --border: rgba(255,255,255,0.12);
  --accent: #7dd3fc;
  --shadow: 0 10px 30px rgba(0,0,0,0.35);

  --radius: 16px;
  --max: 980px;
  --pad: 18px;
  --font: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

:root[data-theme="light"]{
  --bg: #f7f8fb;
  --card: rgba(0,0,0,0.04);
  --card2: rgba(0,0,0,0.03);
  --text: rgba(0,0,0,0.90);
  --muted: rgba(0,0,0,0.65);
  --border: rgba(0,0,0,0.12);
  --accent: #0369a1;
  --shadow: 0 10px 24px rgba(0,0,0,0.10);
}

*{ box-sizing: border-box; }
html, body{ height: 100%; }
body{
  margin: 0;
  font-family: var(--font);
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 10%, rgba(125,211,252,0.15), transparent 45%),
    radial-gradient(circle at 85% 15%, rgba(34,197,94,0.10), transparent 50%),
    linear-gradient(to bottom, var(--bg), var(--bg));
  background-attachment: fixed;
  color: var(--text);
  line-height: 1.55;
}

.container{
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.skip-link{
  position:absolute;
  left:-999px; top: 10px;
  background: var(--card);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 10px;
  color: var(--text);
  text-decoration: none;
}
.skip-link:focus{ left: 16px; z-index: 10; }

.site-header{
  position: sticky;
  top: 0;
  backdrop-filter: blur(12px);
  background: linear-gradient(to bottom, rgba(0,0,0,0.30), rgba(0,0,0,0.05));
  border-bottom: 1px solid var(--border);
  z-index: 5;
}
:root[data-theme="light"] .site-header{
  background: linear-gradient(to bottom, rgba(255,255,255,0.80), rgba(255,255,255,0.55));
}

.header-grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding: 18px 0;
  align-items: center;
}

.name{
  margin: 0;
  letter-spacing: -0.02em;
  font-size: clamp(26px, 3vw, 34px);
  font-weight: 800;
}
.headline{
  margin: 6px 0 10px;
  color: var(--muted);
  font-weight: 500;
}

.contact{
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  color: var(--muted);
  font-size: 14px;
}
.contact a{
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.contact a:hover{ border-bottom-color: var(--border); }
.dot{ opacity: 0.55; }

.links{ margin-top: 10px; display:flex; gap:10px; flex-wrap: wrap; align-items: center; }
.chip{
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--border);
  background: var(--card2);
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  line-height: 1;
}
.chip:hover{ border-color: rgba(125,211,252,0.55); }

.actions{
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  flex-wrap: wrap;
  flex-shrink: 0;
}
.btn{
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
  font-size: 14px;
  font-family: var(--font);
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover{ border-color: rgba(125,211,252,0.55); }
.btn.secondary{
  background: transparent;
}

/* ── Portfolio page ── */
.hero{
  padding: 48px 0 32px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}
.hero-label{
  font-size: 12px;
  font-weight: 650;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 12px;
}
.hero h1{
  margin: 0 0 10px;
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.15;
}
.hero p{
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  max-width: 580px;
}

.filter-bar{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin: 20px 0 4px;
}
.filter-btn{
  padding: 6px 14px;
  border: 1px solid var(--border);
  background: var(--card2);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
  font-family: var(--font);
}
.filter-btn:hover{
  border-color: rgba(125,211,252,0.4);
  color: var(--text);
}
.filter-btn.active{
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(125,211,252,0.08);
}

.project-grid{
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 16px;
  margin-top: 16px;
}

.project-card{
  margin-top: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
  overflow: hidden;
  transition:
    opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.7s cubic-bezier(0.4, 0, 0.2, 1),
    border-color 0.2s;
}
.project-card:hover{ border-color: rgba(125,211,252,0.35); }
.project-card::before{
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}
.project-card:hover::before{ opacity: 1; }
.project-card.hidden{ display: none; }

.project-icon{ font-size: 28px; line-height: 1; }

.project-header{
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}
.project-title{
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.status-badge{
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
}
.status-active{
  background: rgba(34,197,94,0.15);
  color: #4ade80;
  border: 1px solid rgba(34,197,94,0.25);
}
.status-complete{
  background: rgba(125,211,252,0.12);
  color: var(--accent);
  border: 1px solid rgba(125,211,252,0.2);
}
.status-planned{
  background: rgba(255,255,255,0.05);
  color: var(--muted);
  border: 1px solid var(--border);
}

.project-desc{
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
  flex: 1;
}

.tag-row{
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
}
.tag{
  font-size: 11px;
  font-weight: 600;
  padding: 3px 8px;
  border-radius: 6px;
  background: var(--card2);
  border: 1px solid var(--border);
  color: var(--muted);
  letter-spacing: 0.02em;
}

.project-links{
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  border-top: 1px solid var(--border);
  padding-top: 12px;
  margin-top: 4px;
}
.project-link{
  font-size: 13px;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 4px;
  opacity: 0.85;
  transition: opacity 0.2s;
}
.project-link:hover{ opacity: 1; }

.stats-row{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 12px;
  margin-top: 16px;
}
.stat-card{
  background: var(--card2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 16px;
  text-align: center;
}
.stat-num{
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--accent);
  display: block;
}
.stat-label{
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
  display: block;
}

.section-label{
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 28px 0 0;
}

#no-results{
  display: none;
  text-align: center;
  color: var(--muted);
  padding: 40px 0;
  font-size: 15px;
}

main{ padding: 18px 0 30px; }

.card{
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
  margin-top: 16px;
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

.card:not(.visible){
  opacity: 0;
  transform: translateY(40px);
}

.card.visible{
  opacity: 1;
  transform: translateY(0);
}

h2{
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
}
h3{
  margin: 0;
  font-size: 15px;
  letter-spacing: -0.01em;
}
.subhead{
  margin-top: 14px;
  margin-bottom: 6px;
  color: var(--text);
}

.muted{ color: var(--muted); }

.grid{
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.item{ margin-top: 10px; }
.item-top{
  display:flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  flex-wrap: wrap;
}

.bullets{
  margin: 10px 0 0 18px;
  padding: 0;
}
.bullets li{
  margin: 6px 0;
}

.skill-group{
  padding: 10px 12px;
  border: 1px solid var(--border);
  background: var(--card2);
  border-radius: 14px;
  margin-top: 10px;
}
.skill-group p{
  margin: 6px 0 0;
  color: var(--muted);
}

.footer{
  margin-top: 18px;
  padding-bottom: 8px;
}

/* Mobile */
@media (max-width: 860px){
  .header-grid{ grid-template-columns: 1fr; }
  .actions{ justify-content: flex-start; }
  .grid{ grid-template-columns: 1fr; }
  .project-grid{ grid-template-columns: 1fr; }
  .stats-row{ grid-template-columns: 1fr 1fr; }
}

/* Print styles for clean PDF export */
@media print{
  :root, :root[data-theme="light"]{
    --bg: #ffffff;
    --card: #ffffff;
    --card2: #ffffff;
    --text: #111111;
    --muted: #3a3a3a;
    --border: #d9d9d9;
    --shadow: none;
  }
  body{
    background: #fff !important;
  }
  .site-header, .actions, .links, .skip-link{
    display: none !important;
  }
  .card{
    box-shadow: none !important;
    border-radius: 0 !important;
    opacity: 1 !important;
    transform: none !important;
  }
  a{ color: #111; text-decoration: none; }
}