/* ==========================================================================
   EDIT ME: colors, fonts, and spacing all live in this one block.
   Change these and the whole page follows.

   The design is deliberately flat: no gradients, no shadows, no rounded
   corners, no animation. Structure comes from hairline rules, alignment,
   and type size — not from boxes.
   ========================================================================== */

:root {
  color-scheme: light;

  --color-bg: #fafafa;
  --color-border: #e2e2e2;
  --color-text: #101112;
  --color-text-muted: #6a6d70;
  --color-accent: #0f6b52;

  --font-sans:
    ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, Helvetica,
    Arial, sans-serif;

  --rule: 1px solid var(--color-border);
  --page-width: 32rem;
  --gutter: 1.5rem;
}

/* Dark theme. Two selectors so it works from the operating system setting on
   its own, and from the toggle button. Keep these blocks in sync. */

:root[data-theme='dark'] {
  color-scheme: dark;

  --color-bg: #0e0f10;
  --color-border: #26282a;
  --color-text: #f2f2f2;
  --color-text-muted: #9a9da0;
  --color-accent: #3fbf95;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    color-scheme: dark;

    --color-bg: #0e0f10;
    --color-border: #26282a;
    --color-text: #f2f2f2;
    --color-text-muted: #9a9da0;
    --color-accent: #3fbf95;
  }
}

/* ==========================================================================
   Base
   ========================================================================== */

*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--color-accent);
}

h1,
h2,
p,
ul {
  margin: 0;
}

ul {
  padding: 0;
  list-style: none;
}

:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

.skip-link {
  position: absolute;
  top: 0;
  left: var(--gutter);
  translate: 0 -200%;
  padding: 0.5rem 0.75rem;
  border: var(--rule);
  background: var(--color-bg);
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  z-index: 2;
}

.skip-link:focus-visible {
  translate: 0 0;
}

/* The sprite holds icon definitions only and must never take up space. */
.sprite {
  position: absolute;
  width: 0;
  height: 0;
}

.icon {
  width: 1.125rem;
  height: 1.125rem;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* Small uppercase section label. */
.label {
  color: var(--color-text-muted);
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* ==========================================================================
   Layout
   ========================================================================== */

.page {
  width: 100%;
  max-width: var(--page-width);
  margin-inline: auto;
  padding: clamp(3.5rem, 12vh, 7rem) var(--gutter) 4rem;
}

/* ==========================================================================
   Profile header
   ========================================================================== */

.profile__avatar {
  display: block;
  width: 60px;
  height: 60px;
}

.profile__name {
  margin-top: 1.75rem;
  font-size: clamp(2rem, 8vw, 2.5rem);
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.profile__tagline {
  max-width: 26rem;
  margin-top: 0.75rem;
  font-size: 1.0625rem;
  text-wrap: pretty;
}

.profile__meta {
  margin-top: 1rem;
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

/* ==========================================================================
   Link list — hairline rows, no cards
   ========================================================================== */

.links {
  margin-top: 3rem;
  border-top: var(--rule);
}

.links li {
  border-bottom: var(--rule);
}

.link {
  display: flex;
  align-items: baseline;
  gap: 1rem;
  padding: 1.125rem 0;
  color: inherit;
  text-decoration: none;
}

.link__index {
  color: var(--color-text-muted);
  font-size: 0.75rem;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.link__body {
  display: flex;
  flex-direction: column;
  gap: 0.125rem;
  min-width: 0;
}

.link__title {
  font-size: 1.0625rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.link__meta {
  color: var(--color-text-muted);
  font-size: 0.875rem;
}

.link__arrow {
  margin-left: auto;
  color: var(--color-text-muted);
  /* Nudge the icon onto the title's baseline row. */
  align-self: center;
}

.link:hover .link__title {
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.link:hover .link__arrow {
  color: var(--color-text);
}

/* ==========================================================================
   Elsewhere
   ========================================================================== */

.elsewhere {
  margin-top: 3rem;
}

.elsewhere__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem 1.5rem;
  margin-top: 0.875rem;
}

.elsewhere__list a {
  color: var(--color-text);
  font-size: 0.9375rem;
  text-decoration: none;
}

.elsewhere__list a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  margin-top: 4rem;
  padding-top: 1.25rem;
  border-top: var(--rule);
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.footer a {
  color: inherit;
  text-underline-offset: 3px;
}

/* ==========================================================================
   Toolbar (theme toggle + copy link)
   ========================================================================== */

.toolbar {
  position: fixed;
  top: var(--gutter);
  right: var(--gutter);
  display: flex;
  gap: 0.5rem;
  z-index: 1;
}

.toolbar__button {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  padding: 0;
  border: var(--rule);
  background: var(--color-bg);
  color: var(--color-text-muted);
  cursor: pointer;
}

.toolbar__button:hover {
  color: var(--color-text);
}

/* Show the sun in light mode and the moon in dark mode. Both icons live in
   the same button so its size never shifts when the theme changes. */
.icon--dark {
  display: none;
}

:root[data-theme='dark'] .icon--light {
  display: none;
}

:root[data-theme='dark'] .icon--dark {
  display: block;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) .icon--light {
    display: none;
  }

  :root:not([data-theme='light']) .icon--dark {
    display: block;
  }
}