/* Shared styles for every page: tokens, nav, logo, chips, footer */

:root {
  /* One font for the whole site — swap here to experiment */
  --font: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --tracking: -0.05em;       /* name, nav, titles */
  --tracking-small: -0.02em; /* small labels: tags, chips, footer */

  --bg: #ffffff;
  --text: #111111;
  --muted: #8a8a8a;
  --chip: #f1f1f0;
  --tile: #f2f2f2;            /* cover tile — matches the covers' original grey so light mode is unchanged */
  --chip-hover: #e7e7e5;
  --line: #ececec;
  --chip-text: #555555;
  --gold: #b8892f;
  --on-gold: #ffffff;
  --radius: 10px;

  --gutter: 33px;
  --gap: 16px;
  --nav-h: 72px;
}

:root[data-theme="dark"] {
  --bg: #0e0e0e;
  --text: #ededed;
  --muted: #8a8a8a;
  --chip: #1c1c1c;
  --tile: #1a1a1a;
  --chip-hover: #262626;
  --line: #222222;
  --chip-text: #b4b4b4;
  --gold: #d1a54c;
  --on-gold: #0e0e0e;
  color-scheme: dark;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  transition: background-color .3s ease, color .3s ease;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.4;
  letter-spacing: var(--tracking);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }

/* ---------- Nav ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  height: var(--nav-h);
  padding: 0 var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg);
  z-index: 10;
  border-bottom: 1px solid transparent;
  transition: border-color .3s ease;
}
.nav.is-docked { border-bottom-color: var(--line); }
.nav-links {
  display: flex;
  gap: 22px;
  font-size: 15px;
}
.nav-links a { transition: opacity .2s ease; }
.nav-links a:hover { opacity: .5; }
.nav-links a[aria-current="page"] { color: var(--gold); }

.nav-actions { display: flex; align-items: center; gap: 10px; }
.linkedin, .theme-toggle {
  display: grid;
  place-items: center;
  width: 24px; height: 24px;
  color: var(--muted);
  transition: color .2s ease;
}
.theme-toggle { background: none; border: 0; padding: 0; cursor: pointer; }
.linkedin:hover, .theme-toggle:hover { color: var(--text); }
.linkedin svg, .theme-toggle svg { width: 16px; height: 16px; }
.theme-toggle .icon-sun { display: none; }
:root[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
:root[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* ---------- Logo (docked in the nav; the homepage animates it from the hero) ---------- */
.logo {
  position: fixed;
  top: 0; left: 50%;
  height: var(--nav-h);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  z-index: 11;
  transform-origin: 50% 50%;
  transform: translate(-50%, var(--y, 0px)) scale(var(--s, 1));
}
.logo-name {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: var(--tracking);
  white-space: nowrap;
}
.logo-sub {
  position: absolute;
  top: calc(50% + 12px);
  color: var(--muted);
  white-space: nowrap;
  letter-spacing: var(--tracking-small);
  opacity: var(--sub, 0);
  pointer-events: none;
}

/* ---------- Chips ---------- */
.chip {
  font: inherit;
  font-size: 13px;
  letter-spacing: var(--tracking-small);
  color: var(--chip-text);
  background: var(--chip);
  border: 0;
  border-radius: 999px;
  padding: 5px 12px;
  display: inline-block;
  transition: background .2s ease, color .2s ease;
}
button.chip { cursor: pointer; }
button.chip:hover { background: var(--chip-hover); }
.chip[aria-pressed="true"] { background: var(--gold); color: var(--on-gold); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; list-style: none; }

/* ---------- Text links ---------- */
.link { transition: color .2s ease; }
.link:hover { color: var(--gold); }

/* ---------- Footer ---------- */
.footer {
  padding: 0 var(--gutter) 40px;
  font-size: 13px;
  letter-spacing: var(--tracking-small);
  color: var(--muted);
}

@media (max-width: 520px) {
  :root { --gutter: 16px; --nav-h: 60px; }
  .nav-links { gap: 16px; }
}