/* Homepage chrome: background ornaments, layout wrapper, theme toggle,
   header, links grid, sections, footer. Logical properties throughout. */

/* Background ornaments: dot grid + center vignette. Fixed-positioned so
   they don't scroll; pointer-events disabled so they never intercept clicks. */
body::before,
body::after {
  content: '';
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-base);
}

body::before {
  background-image: radial-gradient(circle, var(--dot-color) 1px, transparent 1px);
  background-size: var(--space-8) var(--space-8);
}

body::after {
  background: radial-gradient(ellipse at center, transparent 40%, var(--vignette) 100%);
}

/* Layout wrapper. The body reserves a right gutter on desktop for the
   profiler aside; the wrapper centers in the remaining space. */
.wrapper {
  position: relative;
  z-index: var(--z-elevated);
  max-inline-size: 780px;
  margin-inline: auto;
  padding-inline: var(--space-8);
}

/* Reserve a right strip for the profiler aside on desktop. The aside is
   position:fixed and outside flow, so the body padding pushes the centered
   wrapper leftward to avoid overlap. On mobile the profiler is a bottom
   strip, so the gutter is block-end instead. */
body {
  padding-block-end: var(--profiler-strip-block-size);
}

@media (min-width: 768px) {
  body {
    padding-block-end: 0;
    padding-inline-end: calc(var(--profiler-width) + var(--space-6));
  }
}

/* Theme toggle. Hidden by default; theme.js reveals it on boot — without
   JS the toggle would be non-functional, so we don't ship it to no-JS users.
   Lives in document flow inside main.wrapper so it can never overlap the
   right-edge profiler aside on desktop. */
.theme-toggle {
  position: relative;
  inline-size: fit-content;
  margin-inline-start: auto;
  margin-block-start: var(--space-6);
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  padding: var(--space-1) var(--space-2);
  display: flex;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  transition: border-color var(--motion-duration-fast),
              background var(--motion-duration-slow);
  font-family: inherit;
  color: inherit;
}

.theme-toggle:hover {
  border-color: var(--border-accent);
}

.theme-toggle-opt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: var(--space-1) 10px;
  border-radius: var(--radius-pill);
  color: var(--text-subtle);
  transition: background var(--motion-duration-fast),
              color var(--motion-duration-fast);
  user-select: none;
}

/* Active option reflects the current theme. Light is the default when no
   data-theme is set. Dark only when [data-theme="dark"]. */
.theme-toggle-opt[data-theme-opt="light"],
[data-theme="dark"] .theme-toggle-opt[data-theme-opt="dark"] {
  background: var(--bg-overlay);
  color: var(--accent-brand);
}

[data-theme="dark"] .theme-toggle-opt[data-theme-opt="light"] {
  background: transparent;
  color: var(--text-subtle);
}

/* Page header */
.page-header {
  padding-block: 96px 80px;
  animation: fade-up var(--motion-duration-slow) ease both;
  animation-duration: 0.8s;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--accent-brand);
  text-transform: uppercase;
  margin-block-end: 20px;
}

.cursor {
  display: inline-block;
  inline-size: 7px;
  block-size: 11px;
  background: var(--accent-brand);
  margin-inline-start: 2px;
  vertical-align: middle;
  animation: blink 1.1s step-end infinite;
  transition: background var(--motion-duration-slow);
}

.page-header h1 {
  font-family: var(--font-display);
  font-weight: var(--weight-light);
  font-size: var(--text-display);
  line-height: var(--leading-tight);
  letter-spacing: -0.02em;
  color: var(--text-primary);
  margin-block-end: var(--space-8);
  transition: color var(--motion-duration-slow);
}

.page-header h1 em {
  display: block;
  font-style: italic;
  color: var(--accent-brand);
  transition: color var(--motion-duration-slow);
}

.bio {
  font-size: 17px;
  font-weight: var(--weight-light);
  color: var(--text-muted);
  max-inline-size: 520px;
  line-height: var(--leading-loose);
  transition: color var(--motion-duration-slow);
}

.bio strong {
  color: var(--text-primary);
  font-weight: var(--weight-regular);
}

/* Profile-link cards */
.links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-3);
  margin-block: 56px;
  animation: fade-up 0.8s 0.15s ease both;
}

.link-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: 20px var(--space-6);
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  text-decoration: none;
  color: var(--text-primary);
  position: relative;
  overflow: hidden;
  transition: border-color var(--motion-duration-fast),
              background var(--motion-duration-slow),
              transform var(--motion-duration-fast);
}

.link-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--accent-brand-soft);
  opacity: 0;
  transition: opacity var(--motion-duration-fast);
}

.link-card:hover,
.link-card:focus-visible {
  border-color: var(--border-accent);
  background: var(--bg-overlay);
  transform: translateY(-2px);
}

.link-card:hover::before,
.link-card:focus-visible::before {
  opacity: 1;
}

.link-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent-brand);
}

.link-title {
  font-size: 15px;
  font-weight: var(--weight-regular);
  color: var(--text-primary);
  transition: color var(--motion-duration-slow);
}

.link-sub {
  font-size: var(--text-xs);
  color: var(--text-subtle);
  transition: color var(--motion-duration-slow);
}

.link-arrow {
  color: var(--text-subtle);
  font-size: var(--text-sm);
  position: absolute;
  inset-block-start: 20px;
  inset-inline-end: 20px;
  transition: color var(--motion-duration-fast),
  transform var(--motion-duration-fast);
}

.link-card:hover .link-arrow,
.link-card:focus-visible .link-arrow {
  color: var(--accent-brand);
  transform: translate(2px, -2px);
}

/* Divider and section spacing */
.divider {
  block-size: 1px;
  background: var(--border-subtle);
  margin-block-end: 56px;
  border: none;
  transition: background var(--motion-duration-slow);
}

.section {
  margin-block-end: var(--space-16);
  animation: fade-up 0.8s 0.25s ease both;
}

/* Section eyebrows: rendered as h2 for outline correctness, styled
   visually as a small all-caps mono label. */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--weight-regular);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-subtle);
  margin-block-end: 20px;
  transition: color var(--motion-duration-slow);
}

/* Building section */
.building-block {
  background: var(--bg-raised);
  border: 1px solid var(--border-subtle);
  border-inline-start: 2px solid var(--accent-brand);
  border-start-end-radius: var(--radius-sm);
  border-end-end-radius: var(--radius-sm);
  padding: var(--space-6) 28px;
  transition: background var(--motion-duration-slow),
              border-color var(--motion-duration-slow);
}

.building-block:not(:first-of-type) {
  margin-top: 1rem;
}

.building-title {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-brand);
  margin-block-end: 10px;
  transition: color var(--motion-duration-slow);
}

.building-desc {
  font-size: 15px;
  color: var(--text-muted);
  line-height: var(--leading-loose);
  transition: color var(--motion-duration-slow);
}

.building-desc strong {
  color: var(--text-primary);
  font-weight: var(--weight-regular);
}

.building-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-block-start: var(--space-4);
  list-style: none;
}

.tag {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-subtle);
  background: var(--bg-overlay);
  border: 1px solid var(--border-subtle);
  border-radius: 3px;
  padding: 3px var(--space-2);
  transition: background var(--motion-duration-slow),
              border-color var(--motion-duration-slow),
              color var(--motion-duration-slow);
}

/* Writing list */
.writing-list {
  display: flex;
  flex-direction: column;
  list-style: none;
}

.writing-list li {
  border-block-end: 1px solid var(--border-subtle);
  transition: border-color var(--motion-duration-slow);
}

.writing-list li:first-child {
  border-block-start: 1px solid var(--border-subtle);
}

.writing-item {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-6);
  padding-block: var(--space-4);
  text-decoration: none;
  color: var(--text-primary);
  transition: color var(--motion-duration-fast);
}

.writing-item:hover,
.writing-item:focus-visible {
  color: var(--accent-brand);
}

.writing-item-left {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.writing-title {
  font-size: 15px;
  font-weight: var(--weight-regular);
}

.writing-source {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--text-subtle);
  text-transform: uppercase;
  transition: color var(--motion-duration-slow);
}

.writing-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-subtle);
  white-space: nowrap;
  flex-shrink: 0;
  transition: color var(--motion-duration-slow);
}

/* Footer */
.page-footer {
  padding-block: 40px var(--space-16);
  border-block-start: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  animation: fade-up 0.8s 0.35s ease both;
  transition: border-color var(--motion-duration-slow);
}

.footer-name {
  font-family: var(--font-display);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--text-subtle);
  transition: color var(--motion-duration-slow);
}

.footer-loc {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  color: var(--text-subtle);
  text-transform: uppercase;
  transition: color var(--motion-duration-slow);
}

/* Animations */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Mobile adjustments */
@media (max-width: 580px) {
  .links {
    grid-template-columns: 1fr;
  }
  .page-header {
    padding-block: var(--space-16) 56px;
  }
  .page-header h1 {
    font-size: 52px;
  }
  .page-footer {
    flex-direction: column;
    gap: var(--space-3);
    align-items: flex-start;
  }
}