/* ── Solarized palette ─────────────────────────────────────── */
:root {
  --base03:  #002b36;
  --base02:  #073642;
  --base01:  #586e75;
  --base00:  #657b83;
  --base0:   #839496;
  --base1:   #93a1a1;
  --base2:   #eee8d5;
  --base3:   #fdf6e3;
  --yellow:  #b58900;
  --orange:  #cb4b16;
  --red:     #dc322f;
  --magenta: #d33682;
  --violet:  #6c71c4;
  --blue:    #268bd2;
  --cyan:    #2aa198;
  --green:   #859900;
}

/* ── Hidden checkbox for CSS-only theme toggle ─────────────── */
.theme-checkbox {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ── Light mode (default) ──────────────────────────────────── */
.page {
  --bg:          var(--base3);
  --bg-alt:      var(--base2);
  --border:      #d1cbb8;
  --text:        var(--base00);
  --text-sub:    var(--base01);
  --text-faint:  var(--base1);
  --accent:      var(--blue);
  --accent-alt:  var(--cyan);
  --sun-show:    block;
  --moon-show:   none;

  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  transition: background-color 0.25s, color 0.25s;
}

/* ── Dark mode (checkbox checked) ─────────────────────────── */
.theme-checkbox:checked ~ .page {
  --bg:         var(--base03);
  --bg-alt:     var(--base02);
  --border:     #0a4050;
  --text:       var(--base0);
  --text-sub:   var(--base1);
  --text-faint: var(--base01);
  --accent:     var(--blue);
  --accent-alt: var(--cyan);
  --sun-show:   none;
  --moon-show:  block;
}

/* ── Reset & base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
               "Helvetica Neue", Arial, sans-serif;
}

/* ── Header ────────────────────────────────────────────────── */
.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  background-color: var(--bg-alt);
  position: sticky;
  top: 0;
  z-index: 10;
  transition: background-color 0.25s, border-color 0.25s;
}

.site-header .wordmark {
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--text-sub);
  text-transform: uppercase;
}

/* ── Toggle switch ─────────────────────────────────────────── */
.toggle-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  user-select: none;
}

.toggle-label .toggle-icon {
  font-size: 0.9rem;
  line-height: 1;
}

.toggle-track {
  position: relative;
  width: 2.75rem;
  height: 1.5rem;
  background-color: var(--bg);
  border: 2px solid var(--border);
  border-radius: 9999px;
  transition: background-color 0.25s, border-color 0.25s;
}

.toggle-track::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background-color: var(--accent);
  transition: transform 0.2s ease, background-color 0.25s;
}

.theme-checkbox:checked ~ .page .toggle-track::after {
  transform: translateX(1.25rem);
}

.icon-sun  { display: var(--sun-show); }
.icon-moon { display: var(--moon-show); }

/* ── Main content ──────────────────────────────────────────── */
main {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 3rem 1.5rem 4rem;
  gap: 2.5rem;
}

/* ── Profile card ──────────────────────────────────────────── */
.profile-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  max-width: 600px;
  width: 100%;
  text-align: center;
}

/* ── Avatar ────────────────────────────────────────────────── */
.avatar-wrap {
  position: relative;
  width: 9rem;
  height: 9rem;
  border-radius: 50%;
  border: 3px solid var(--accent);
  overflow: hidden;
  background-color: var(--bg-alt);
  flex-shrink: 0;
  transition: border-color 0.25s, background-color 0.25s;
}

/* Placeholder sits in normal flow at the back */
.avatar-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

/* Image stacks on top; if it loads it hides the placeholder */
.avatar-wrap img {
  position: relative;
  z-index: 1;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ── Name & title ──────────────────────────────────────────── */
.profile-name {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.1;
}

.profile-title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--accent);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  overflow: hidden;
  white-space: nowrap;
}

.profile-location {
  font-size: 0.875rem;
  color: var(--text-faint);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.3rem;
}

/* ── Divider ───────────────────────────────────────────────── */
.divider {
  width: 3rem;
  height: 2px;
  background-color: var(--accent-alt);
  border-radius: 1px;
}

/* ── Bio ───────────────────────────────────────────────────── */
.bio {
  max-width: 540px;
  line-height: 1.7;
  color: var(--text-sub);
  font-size: 0.975rem;
}

/* ── Links section ─────────────────────────────────────────── */
.links-heading {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-faint);
  font-weight: 600;
}

.links-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  max-width: 600px;
}

.link-card {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.6rem 1.1rem;
  border-radius: 0.5rem;
  border: 1.5px solid var(--border);
  background-color: var(--bg-alt);
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 500;
  transition: border-color 0.15s, color 0.15s, background-color 0.15s,
              transform 0.1s;
}

.link-card:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}

.link-card svg {
  width: 1.1rem;
  height: 1.1rem;
  fill: currentColor;
  flex-shrink: 0;
}

/* ── Footer ────────────────────────────────────────────────── */
footer {
  text-align: center;
  padding: 1.25rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--text-faint);
  background-color: var(--bg-alt);
  transition: background-color 0.25s, border-color 0.25s;
}

/* ── Typewriter animation ───────────────────────────────────── */
.typed-cursor {
  display: inline-block;
  width: 0.6em;
  height: 1.2em;
  background-color: var(--accent);
  vertical-align: text-bottom;
  margin-left: 1px;
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0; }
}