:root {
  --serif: "Source Serif 4", Georgia, serif;
  --ui: "Archivo", "Helvetica Neue", Helvetica, sans-serif;
  --paper: #ffffff;
  --ink: #292929;
  --mute: #6b6b6b;
  --faint: #a3a3a3;
  --rule: #e6e6e6;
  --rule-soft: #f2f2f2;
  --hair: #d4d4d4;
  --accent: #1a8917;
}
[data-theme="dark"] {
  --paper: #121212;
  --ink: #f2f2f2;
  --mute: #a1a1a1;
  --faint: #757575;
  --rule: #2b2b2b;
  --rule-soft: #1e1e1e;
  --hair: #3d3d3d;
  --accent: #4caf50;
}

body {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  transition: background 200ms ease, color 200ms ease;
}
a { color: var(--ink); text-decoration: none; }
::selection { background: var(--rule); }
*:focus-visible { outline: 1px solid var(--accent); outline-offset: 3px; }

/* ── Nav ── */
.site-nav {
  padding: clamp(20px, 3vw, 32px) clamp(20px, 6vw, 72px) !important;
  background: var(--paper);
}
.nav-brand {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 21px;
  letter-spacing: -0.015em;
  color: var(--ink);
}
.site-nav .nav-link {
  font-family: var(--ui);
  font-size: 14px;
  border-bottom: 1px solid var(--hair);
  padding: 0 0 2px !important;
  color: var(--ink) !important;
}
.site-nav .nav-link:hover { border-bottom-color: var(--ink); }
.nav-icon { margin-right: 7px; color: var(--faint); }
.theme-btn {
  width: 32px; height: 32px;
  display: inline-flex; align-items: center; justify-content: center;
  color: var(--mute);
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 2px;
  cursor: pointer;
}
.theme-btn:hover { border-color: var(--hair); color: var(--ink); }

/* ── Layout ── */
.content-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: clamp(28px, 6vw, 72px) clamp(20px, 6vw, 72px) clamp(48px, 8vw, 96px);
  display: flex;
  flex-direction: column;
  gap: clamp(48px, 7vw, 84px);
}

/* ── Hero ── */
.hero { display: flex; flex-direction: column; gap: 32px; }
.hero-top {
  display: flex;
  align-items: center;
  gap: clamp(28px, 5vw, 56px);
  flex-wrap: wrap;
}
.hero-heading {
  flex: 1;
  min-width: 280px;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(38px, 5.6vw, 68px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  max-width: 20ch;
  color: var(--ink);
  margin: 0;
}
.portrait {
  width: clamp(120px, 14vw, 168px);
  height: clamp(120px, 14vw, 168px);
  flex: none;
  border-radius: 50%;
  overflow: hidden;
  background: var(--rule-soft);
  display: flex;
  align-items: center;
  justify-content: center;
}
.portrait img { width: 100%; height: 100%; object-fit: cover; filter: grayscale(1) contrast(1.05); }
.portrait-placeholder { color: var(--faint); font-size: 48px; }
.availability-badge {
  display: none;
  align-items: center;
  gap: 10px;
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
}
.availability-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  display: block; flex: none;
}
.hero-bio {
  font-size: clamp(19px, 2vw, 24px);
  line-height: 1.55;
  color: var(--mute);
  max-width: 46ch;
  margin: 0;
}

/* ── Sections ── */
.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 140px) minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  border-top: 1px solid var(--rule);
  padding-top: 28px;
}
.section-label {
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--faint);
  padding-top: 7px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.section-content { display: flex; flex-direction: column; }

/* ── Skills ── */
.skill-row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr);
  gap: 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: baseline;
}
.skill-category {
  font-family: var(--serif);
  font-weight: 600;
  font-size: 18px;
  color: var(--ink);
}
.skill-items {
  display: flex; flex-wrap: wrap;
  gap: 8px 22px;
  font-family: var(--ui);
  font-size: 14px;
  color: var(--mute);
}

/* ── Elsewhere ── */
.link-row {
  display: grid;
  grid-template-columns: minmax(0, 200px) minmax(0, 1fr) auto;
  gap: 24px;
  padding: 15px 0;
  border-bottom: 1px solid var(--rule-soft);
  align-items: center;
  color: var(--ink);
}
a.link-row:hover { color: var(--accent); }
a.link-row:hover .link-handle,
a.link-row:hover .link-icon { color: var(--accent); }
.link-name {
  display: flex; align-items: center; gap: 11px;
  font-family: var(--serif); font-weight: 600; font-size: 18px;
}
.link-icon { color: var(--mute); width: 20px; text-align: center; }
.link-handle { font-family: var(--ui); font-size: 14px; color: var(--mute); }
.link-arrow { color: var(--faint); font-size: 12px; }
.link-email { font-family: var(--ui); font-size: 14px; color: var(--mute); }
.link-email:hover { color: var(--accent); }
.copy-btn {
  font-family: var(--ui);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--faint);
  background: transparent;
  border: 0; padding: 0; cursor: pointer;
}
.copy-btn:hover { color: var(--accent); }

/* ── Footer ── */
.site-footer {
  border-top: 1px solid var(--rule-soft);
  padding-top: 28px;
  display: flex;
  align-items: flex-end;
  justify-content: flex-end;
}
.cv-btn {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--ui); font-weight: 500; font-size: 14px;
  padding: 11px 22px;
  border: 1px solid var(--accent);
  border-radius: 99px;
  background: var(--accent);
  color: #ffffff !important;
}
.cv-btn:hover { opacity: 0.85; }

/* ── Back to top ── */
.back-to-top {
  position: fixed;
  bottom: 32px;
  right: 32px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms ease, transform 200ms ease;
  z-index: 100;
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
}
.back-to-top:hover { transform: translateY(-3px); }

@media (max-width: 640px) {
  .section-grid { grid-template-columns: 1fr; }
  .skill-row { grid-template-columns: 1fr; gap: 8px; }
  .link-row { grid-template-columns: 1fr auto; }
  .link-handle { display: none; }
}