:root[data-theme="light"] {
  --bg: #f9fafb;
  --card: #ffffff;

  --text-h: #111827;
  --text-p: #374151;

  --accent: #2563eb;
  --accent-soft: rgba(37, 99, 235, 0.08);

  --border: #e5e7eb;
  --glass: rgba(255, 255, 255, 0.62);
  --muted-surface: rgba(17, 24, 39, 0.04);
  --rule: rgba(17, 24, 39, 0.10);

  --shadow: 0 10px 25px -5px rgba(0,0,0,0.05);
  --tt-bg: rgba(15, 23, 42, 0.92);
  --tt-text: #ffffff;
}

:root[data-theme="dark"] {
  --bg: #0b0f14;
  --card: #0f141b;

  --text-h: #f9fafb;
  --text-p: #cbd5e1;

  --accent: #3b82f6;
  --accent-soft: rgba(59, 130, 246, 0.12);

  --border: #1f2937;
  --glass: rgba(17, 19, 24, 0.62);
  --muted-surface: rgba(255, 255, 255, 0.06);
  --rule: rgba(255, 255, 255, 0.12);

  --shadow: 0 20px 25px -5px rgba(0,0,0,0.30);
  --tt-bg: rgba(241, 245, 249, 0.94);
  --tt-text: #0b0f14;
}

/* ===== Layout / spacing system (single source of truth) =====
   Breakpoints used:
   320 / 375 / 768 / 1024 / 1200+
*/
:root{
  --cap-h: 56px;
  --cap-pad: 6px;
  --pill-h: 40px;

  --gutter: 24px;

  --space-1: 8px;
  --space-2: 12px;
  --space-3: 16px;
  --space-4: 24px;
  --space-5: 32px;

  --edge: 16px;

  --page-top: 152px;
  --page-bottom: 64px;

  --sticky-top: 120px;

  --card-pad: 24px;
}

@media (min-width: 1200px){
  :root{
    --gutter: 28px;
    --page-top: 152px;
    --page-bottom: 64px;
  }
}

@media (max-width: 1024px){
  :root{
    --gutter: 24px;
    --page-top: 160px;
    --page-bottom: 64px;
  }
}

@media (max-width: 768px){
  :root{
    --gutter: 20px;
    --page-top: 176px;
    --page-bottom: 120px;
  }
}

@media (max-width: 375px){
  :root{
    --gutter: 18px;
    --page-top: 192px;
    --page-bottom: 120px;
    --card-pad: 20px;
  }
}

@media (max-width: 320px){
  :root{
    --gutter: 16px;
    --page-top: 200px;
    --page-bottom: 120px;
    --card-pad: 20px;
  }
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html, body { height: 100%; }

body {
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text-p);
  line-height: 1.6;
  transition: background 0.35s, color 0.35s;
}

.preload * {
  transition: none !important;
  animation: none !important;
}

.mesh-bg {
  position: fixed;
  inset: 0;
  background:
    radial-gradient(at 0% 0%, var(--accent-soft) 0, transparent 52%),
    radial-gradient(at 100% 100%, var(--accent-soft) 0, transparent 48%),
    radial-gradient(at 70% 15%, rgba(255, 205, 160, 0.10) 0, transparent 55%);
  pointer-events: none;
  z-index: -1;
  filter: saturate(1.02);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.page {
  padding-top: var(--page-top);
  padding-bottom: var(--page-bottom);
}

.card {
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: var(--card-pad);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.page-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.page-head__title {
  font-size: 1.7rem;
  font-weight: 900;
  color: var(--text-h);
  letter-spacing: -0.8px;
}

.page-head__chips {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
}

.chip {
  padding: 8px 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--glass);
  color: var(--text-h);
  font-weight: 900;
  font-size: 0.78rem;
  cursor: pointer;
  transition: 0.18s;
  text-decoration: none;
}

.chip:hover { transform: translateY(-1px); }
.chip.active { background: var(--accent); border-color: transparent; color: #fff; }

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

.tile {
  border-radius: 22px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--glass);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: transform 0.18s, box-shadow 0.18s;
  text-decoration: none;
}

.tile:hover {
  transform: translateY(-2px);
  box-shadow: 0 18px 34px -18px rgba(0,0,0,0.35);
}

.tile__img {
  height: 140px;
  background: radial-gradient(500px 250px at 10% 10%, rgba(37,99,235,0.30), transparent 60%),
              radial-gradient(500px 250px at 100% 30%, rgba(99,102,241,0.28), transparent 55%),
              rgba(255,255,255,0.15);
}

.tile__body { padding: 16px; }

.tile__title {
  font-weight: 900;
  color: var(--text-h);
  letter-spacing: -0.4px;
  margin-bottom: 6px;
}

.tile__desc {
  font-size: 0.95rem;
  line-height: 1.6;
  opacity: 0.9;
}

.cv { padding-top: 150px; }

.cv-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.cv-block {
  border-radius: 22px;
  padding: 22px;
  background: var(--glass);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.cv-h {
  font-weight: 900;
  color: var(--text-h);
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}

.cv-item {
  padding: 10px 0;
  border-bottom: 1px dashed var(--rule);
}
.cv-item:last-child { border-bottom: none; }

.cv-role { font-weight: 900; color: var(--text-h); }
.cv-meta { margin-top: 4px; font-size: 0.9rem; opacity: 0.85; line-height: 1.55; }

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

.highlight {
  border-radius: 22px;
  padding: 22px;
  border: 1px solid rgba(255,255,255,0.18);
  background: linear-gradient(135deg, rgba(37,99,235,0.92), rgba(99,102,241,0.88));
  box-shadow: 0 28px 40px -28px rgba(37,99,235,0.55);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.highlight p { opacity: 0.95; }
.highlight h3 { color: #fff; }

.radar-container { height: 300px; width: 100%; position: relative; }

@media (max-width: 768px) {
  .page-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .page-head__chips { justify-content: flex-start; flex-wrap: wrap; }

  .grid { grid-template-columns: 1fr; }
  .two-col { grid-template-columns: 1fr; }
  .highlight { padding: 20px; }
  .radar-container { height: 260px; }

  .cv-grid { grid-template-columns: 1fr; }
  .cv-block { padding: 16px; }
}

@media (hover: none), (pointer: coarse){
  .has-tt::before,
  .has-tt::after{
    display: none !important;
  }
}