:root {
  --light-bg: #f6f4f1;
  --light-text: #1a1a1a;
  --light-muted: #5c5c5c;
  --light-border: #e2ddd6;

  --dark-bg: #0f0f0f;
  --dark-text: #f0ece6;
  --dark-muted: #9a9590;
  --dark-border: #2e2c2a;

  --size-sm: 1rem;
  --size-md: 1.15rem;
  --size-lg: 1.3rem;
  --size-xl: 1.45rem;

  --spacing-tight: 1.4;
  --spacing-normal: 1.65;
  --spacing-loose: 1.85;

  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-full: 999px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --font-ui: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

html[data-theme="light"] {
  --bg: var(--light-bg);
  --text: var(--light-text);
  --muted: var(--light-muted);
  --border: var(--light-border);
  --accent: #b45309;
  --accent-hover: #92400e;
  --accent-glow: color-mix(in srgb, var(--accent) 28%, transparent);
  --surface: color-mix(in srgb, var(--bg) 92%, var(--text));
  --shadow-color: rgba(26, 26, 26, 0.08);
}

html[data-theme="dark"] {
  --bg: var(--dark-bg);
  --text: var(--dark-text);
  --muted: var(--dark-muted);
  --border: var(--dark-border);
  --accent: #fbbf24;
  --accent-hover: #fcd34d;
  --accent-glow: color-mix(in srgb, var(--accent) 22%, transparent);
  --surface: color-mix(in srgb, var(--bg) 88%, var(--text));
  --shadow-color: rgba(0, 0, 0, 0.45);
  --pet-ink: #f0ece6;
}

html[data-size="small"] {
  --current-size: var(--size-sm);
}
html[data-size="medium"] {
  --current-size: var(--size-md);
}
html[data-size="large"] {
  --current-size: var(--size-lg);
}
html[data-size="xlarge"] {
  --current-size: var(--size-xl);
}

html[data-spacing="tight"] {
  --current-spacing: var(--spacing-tight);
}
html[data-spacing="normal"] {
  --current-spacing: var(--spacing-normal);
}
html[data-spacing="loose"] {
  --current-spacing: var(--spacing-loose);
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  body::before {
    animation: none;
  }
}

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

body {
  font-family: "Literata", Georgia, serif;
  background: var(--bg);
  color: var(--text);
  margin: 0;
  padding: 0;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  transition: background-color 0.45s var(--ease-out), color 0.45s var(--ease-out);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background:
    radial-gradient(ellipse 120% 80% at 0% -30%, var(--accent-glow), transparent 55%),
    radial-gradient(ellipse 90% 60% at 100% 20%, color-mix(in srgb, var(--text) 6%, transparent), transparent 50%),
    radial-gradient(ellipse 70% 50% at 50% 110%, color-mix(in srgb, var(--accent) 12%, transparent), transparent 45%),
    var(--bg);
}

@media (prefers-reduced-motion: no-preference) {
  body::before {
    animation: ambient-shift 28s ease-in-out infinite alternate;
  }
}

@keyframes ambient-shift {
  0% {
    opacity: 1;
    transform: scale(1) translate(0, 0);
  }
  100% {
    opacity: 0.92;
    transform: scale(1.03) translate(1%, -1%);
  }
}

::selection {
  background: color-mix(in srgb, var(--accent) 35%, transparent);
  color: var(--text);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  top: -100px;
  left: 1rem;
  z-index: 1000;
  padding: 0.75rem 1.25rem;
  background: var(--text);
  color: var(--bg);
  font-family: var(--font-ui);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  text-decoration: none;
  transition: top 0.2s var(--ease-out);
}

.skip-link:focus {
  top: 1rem;
}

.content {
  margin: 0 auto;
  padding: 3rem clamp(1.25rem, 4vw, 2.5rem);
  max-width: 72rem;
}

.content--site {
  min-height: calc(100vh - 4rem);
  display: flex;
  flex-direction: column;
  padding-bottom: clamp(2rem, 5vw, 4rem);
}

.content--site > .about-browser {
  width: 100%;
}

.site-title {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 1rem;
  font-weight: normal;
  color: var(--muted);
  margin: 0 auto 3rem auto;
  letter-spacing: 0.02em;
  max-width: 35rem;
}

article {
  max-width: 35rem;
  margin: 0 auto;
}

@media (max-width: 768px) {
  article {
    padding: 5px;
  }
}

.post-title {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: 2rem;
  font-weight: 500;
  margin: 0 0 0.3rem 0;
  letter-spacing: -0.01em;
  color: var(--text);
}

.post-date {
  font-size: 0.9rem;
  color: var(--muted);
  margin-bottom: 2rem;
  font-style: italic;
}

p {
  margin: 0 0 1.5rem 0;
  font-size: var(--current-size);
  line-height: var(--current-spacing);
}

.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: color-mix(in srgb, var(--border) 70%, transparent);
  z-index: 99;
}

.progress-indicator {
  height: 100%;
  width: 0;
  background: linear-gradient(
    90deg,
    var(--accent),
    color-mix(in srgb, var(--accent) 55%, var(--text))
  );
  transition: width 0.12s ease-out;
  box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 50%, transparent);
}

.progress-percentage {
  position: fixed;
  bottom: 1rem;
  right: 1rem;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--muted);
  padding: 0.35rem 0.65rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-family: var(--font-ui);
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  border: 1px solid var(--border);
  box-shadow: 0 2px 12px var(--shadow-color);
  z-index: 99;
}

.home-grid {
  flex: 1;
  display: grid;
  gap: clamp(2rem, 5vw, 3.5rem);
  align-items: center;
  padding: clamp(0.5rem, 2vw, 1rem) 0 clamp(2rem, 6vw, 4rem);
}

@media (min-width: 960px) {
  .home-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(260px, 400px);
    align-items: stretch;
  }
}

.home-hero {
  position: relative;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(0.75rem, 3vw, 2rem) 0;
  max-width: 40rem;
}

@media (min-width: 960px) {
  .home-hero {
    max-width: none;
    padding-right: 1rem;
  }
}

.home-hero__glow {
  position: absolute;
  width: min(90vw, 420px);
  height: min(90vw, 420px);
  right: -20%;
  top: -25%;
  background: radial-gradient(circle at 40% 40%, var(--accent-glow), transparent 65%);
  pointer-events: none;
  opacity: 0.85;
  filter: blur(48px);
  z-index: -1;
}

@media (min-width: 960px) {
  .home-hero__glow {
    right: 5%;
    top: 10%;
  }
}

.home-panel {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.home-panel__terminal {
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 4.5%, var(--bg));
  overflow: hidden;
  box-shadow: 0 16px 48px var(--shadow-color);
}

.home-panel__terminal-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.9rem;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 6%, var(--bg));
}

.home-panel__terminal-bar span {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  opacity: 0.85;
}

.home-panel__terminal-bar span:nth-child(1) {
  background: #ff5f56;
}
.home-panel__terminal-bar span:nth-child(2) {
  background: #ffbd2e;
}
.home-panel__terminal-bar span:nth-child(3) {
  background: #27c93f;
}

.home-panel__code {
  margin: 0;
  padding: 1rem 1.05rem 1.15rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: clamp(0.65rem, 1.6vw, 0.78rem);
  line-height: 1.55;
  color: var(--text);
  overflow-x: auto;
  tab-size: 2;
}

.home-panel__code .tok-k {
  color: var(--accent);
  font-weight: 600;
}
.home-panel__code .tok-f {
  color: color-mix(in srgb, var(--accent) 35%, var(--text));
}
.home-panel__code .tok-m {
  color: var(--muted);
  font-style: italic;
}
.home-panel__code .tok-p {
  color: color-mix(in srgb, var(--muted) 50%, var(--accent));
}
.home-panel__code .tok-s {
  color: color-mix(in srgb, var(--muted) 30%, var(--text));
}

.home-panel__stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.65rem;
}

.home-panel__stats li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 1rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 3.5%, var(--bg));
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.home-panel__stats li:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  box-shadow: 0 6px 20px var(--shadow-color);
}

.home-panel__stat-num {
  font-family: var(--font-ui);
  font-size: clamp(1.5rem, 3vw, 1.85rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  line-height: 1;
}

.home-panel__stat-label {
  font-family: var(--font-ui);
  font-size: 0.78rem;
  font-weight: 500;
  color: var(--muted);
  line-height: 1.35;
}

.home-panel__note {
  font-size: 0.88rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.55;
}

.home-panel__note a {
  color: var(--text);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-color: color-mix(in srgb, var(--accent) 50%, var(--border));
  text-underline-offset: 3px;
}

.home-panel__note a:hover {
  text-decoration-color: var(--accent);
}

.home-kicker {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem 0;
}

.home-heading {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: clamp(2.75rem, 7vw, 4.25rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin: 0 0 1.25rem 0;
  max-width: 100%;
  text-align: left;
}

.home-heading-line {
  display: block;
  background: linear-gradient(120deg, var(--text) 20%, var(--muted) 55%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.home-lede {
  font-size: clamp(1.05rem, 2.2vw, 1.2rem);
  line-height: var(--current-spacing);
  color: var(--muted);
  max-width: 32rem;
  margin: 0 0 2rem 0;
}

.home-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
  margin-bottom: 2.5rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-ui);
  font-size: 0.95rem;
  font-weight: 600;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out), background 0.25s var(--ease-out),
    color 0.25s var(--ease-out);
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--text) 22%, transparent);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px color-mix(in srgb, var(--text) 28%, transparent);
}

.btn-ghost {
  background: color-mix(in srgb, var(--bg) 65%, transparent);
  color: var(--text);
  border: 1px solid var(--border);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.btn-ghost:hover {
  border-color: color-mix(in srgb, var(--accent) 45%, var(--border));
  background: color-mix(in srgb, var(--accent) 8%, var(--bg));
}

.home-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-ui);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}

.home-meta span {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.home-meta strong {
  color: var(--text);
  font-weight: 600;
}

@media (prefers-reduced-motion: no-preference) {
  .home-kicker.reveal {
    transition-delay: 0.04s;
  }

  .home-heading.reveal {
    transition-delay: 0.1s;
  }

  .home-lede.reveal {
    transition-delay: 0.18s;
  }

  .home-actions.reveal {
    transition-delay: 0.26s;
  }

  .home-meta.reveal {
    transition-delay: 0.34s;
  }

  .home-panel.reveal {
    transition-delay: 0.2s;
  }

  .home-more.reveal {
    transition-delay: 0.38s;
  }
}

.home-more {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(2rem, 5vw, 3.5rem);
  border-top: 1px solid var(--border);
  width: 100%;
  max-width: none;
}

.home-more__title {
  font-family: "Crimson Pro", Georgia, serif;
  font-size: clamp(1.2rem, 2.5vw, 1.45rem);
  font-weight: 500;
  color: var(--text);
  margin: 0 0 1.25rem 0;
  letter-spacing: -0.02em;
}

.home-highlights {
  list-style: none;
  margin: 0 0 2rem 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  gap: 1rem;
  align-items: stretch;
}

.home-highlights li {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  min-height: 100%;
  padding: 1.15rem 1.25rem 1.2rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--text) 3.5%, var(--bg));
  transition: border-color 0.25s var(--ease-out), box-shadow 0.25s var(--ease-out);
}

.home-highlights li:hover {
  border-color: color-mix(in srgb, var(--accent) 30%, var(--border));
  box-shadow: 0 8px 28px var(--shadow-color);
}

/* Only the category label — not inline <strong> inside the body copy */
.home-highlights li > strong {
  display: block;
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
  line-height: 1.25;
}

.home-highlights span {
  display: block;
  flex: 1;
  font-size: 0.94rem;
  line-height: 1.58;
  color: var(--muted);
  text-wrap: pretty;
}

.home-highlights__em {
  display: inline;
  font-size: inherit;
  font-weight: 600;
  letter-spacing: normal;
  text-transform: none;
  margin: 0;
  color: var(--text);
  font-style: normal;
}

.home-more__label {
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 0.85rem 0;
}

.home-tech {
  list-style: none;
  margin: 0 0 2rem 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.5rem;
}

.home-tech li {
  font-family: var(--font-ui);
  font-size: 0.76rem;
  font-weight: 500;
  padding: 0.38rem 0.8rem;
  border-radius: var(--radius-full);
  border: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 88%, var(--text));
  color: var(--text);
  transition: border-color 0.2s var(--ease-out), background 0.2s var(--ease-out);
}

.home-tech li:hover {
  border-color: color-mix(in srgb, var(--accent) 35%, var(--border));
  background: color-mix(in srgb, var(--accent) 6%, var(--bg));
}

.home-aux {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1.35rem;
  font-family: var(--font-ui);
  font-size: 0.84rem;
  font-weight: 500;
  padding-top: 0.25rem;
}

.home-aux a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 35%, var(--border));
  padding-bottom: 2px;
  transition: color 0.2s var(--ease-out), border-color 0.2s var(--ease-out);
}

.home-aux a:hover {
  color: var(--text);
  border-bottom-color: var(--accent);
}

.home-intro {
  max-width: 32rem;
}

.home-intro p:last-child {
  margin-bottom: 0;
}

.reveal {
  opacity: 0;
  transform: translateY(1.5rem);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}

.reveal.is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}