:root {
  --bg: #0b0c10;
  --panel: #12141b;
  --text: #f2f4f8;
  --muted: #b6bcc9;
  --border: #24283a;
  --shadow: rgba(0,0,0,0.35);
  --primary: #5eead4;
  --primaryText: #071014;
  --chip: #1a1f2e;

  --radius: 16px;
  --radius2: 22px;
  --max: 1100px;
}

[data-theme="light"] {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #0b1020;
  --muted: #4a5568;
  --border: #e5e7f0;
  --shadow: rgba(15, 23, 42, 0.10);
  --primary: #0ea5e9;
  --primaryText: #ffffff;
  --chip: #f0f4ff;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji","Segoe UI Emoji";
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 18px;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: -999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 10px;
}
.skip-link:focus { left: 18px; top: 18px; z-index: 999; }

.site-header {
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, rgba(255,255,255,0.06), rgba(255,255,255,0));
  padding: 48px 0 28px;
}

.header-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 880px) {
  .header-grid { grid-template-columns: 1fr; }
}

.kicker {
  display: inline-block;
  padding: 6px 10px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.9rem;
}

.title {
  margin: 12px 0 8px;
  font-size: clamp(1.7rem, 2.4vw, 2.5rem);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 0 0 16px;
  color: var(--muted);
  font-size: 1.02rem;
}

.cta-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin: 10px 0 10px;
}

.meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.meta-pill {
  font-size: 0.9rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.03);
}

.section { padding: 34px 0; }
.section-head h2 { margin: 0; font-size: 1.45rem; }
.section-head p { margin: 6px 0 0; }

.muted { color: var(--muted); }
.small { font-size: 0.92rem; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
  padding: 16px 16px;
  box-shadow: 0 14px 40px var(--shadow);
}

.quick-card { position: sticky; top: 16px; }
@media (max-width: 880px) { .quick-card { position: static; } }

.card-title {
  margin: 0 0 8px;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
}

.divider {
  height: 1px;
  background: var(--border);
  margin: 14px 0;
}

.checklist {
  margin: 0;
  padding-left: 20px;
}
.checklist li { margin: 8px 0; }

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

.btn {
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 10px 14px;
  border-radius: 12px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
  transition: transform 120ms ease, background 120ms ease, border-color 120ms ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255,255,255,0.25); }
.btn:active { transform: translateY(0px); }

.btn.primary {
  background: var(--primary);
  border-color: transparent;
  color: var(--primaryText);
}
.btn.ghost { background: transparent; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 14px 0 16px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--chip);
  color: var(--text);
  padding: 8px 10px;
  border-radius: 999px;
  cursor: pointer;
  font-weight: 600;
}
.chip.is-active {
  border-color: transparent;
  background: var(--primary);
  color: var(--primaryText);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }

.skill-card {
  padding: 14px;
}
.skill-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.skill-name {
  font-weight: 800;
  letter-spacing: -0.01em;
}
.badge {
  font-size: 0.82rem;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  white-space: nowrap;
}
.skill-notes { margin: 10px 0 0; color: var(--muted); font-size: 0.95rem; }

.impact-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}
@media (max-width: 900px) { .impact-grid { grid-template-columns: 1fr; } }

.timeline {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}
.timeline-item {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 12px;
  padding: 14px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius2);
}
@media (max-width: 700px) {
  .timeline-item { grid-template-columns: 1fr; }
}
.timeline-when { color: var(--muted); font-weight: 700; }
.timeline-what h3 { margin: 0; }
.timeline-what p { margin: 6px 0 0; }

.two-col {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}
@media (max-width: 900px) { .two-col { grid-template-columns: 1fr; } }

.note {
  margin-top: 12px;
  padding: 12px 14px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  color: var(--muted);
}

.form { display: grid; gap: 12px; }
.form-row { display: grid; gap: 6px; }
label { font-weight: 700; }

input, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  border-radius: 12px;
  padding: 10px 12px;
  outline: none;
}
input:focus, textarea:focus { border-color: var(--primary); }

.form-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.hp-field { display: none; }

.site-footer {
  padding: 26px 0 38px;
  border-top: 1px solid var(--border);
  margin-top: 10px;
}