/* 1. Use a more-intuitive box-sizing model */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* 2. Remove default margin */
* {
  margin: 0;
  box-sizing: border-box;
  /* -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none; */
}

html,
body {
  padding: 0;
  margin: 0;
}
body {
  min-height: 100%;
  overflow-y: scroll;
  -webkit-overflow-scrolling: touch;
  position: relative;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;    /* For Firefox on macOS */
  text-rendering: optimizeLegibility;    /* Improves kerning and ligatures */
  background-color: var(--color-bg);
}

body::before {
  content: "";
  position: fixed;
  z-index: -1;
  top: 0; left: 0; right: 0; bottom: 0;
  pointer-events: none;
  /* Subtle warm glow — amber as ambient accent, not the whole canvas */
  background:
    radial-gradient(circle at 20% 30%, var(--amber-300) 0%, transparent 70%),
    radial-gradient(circle at 80% 70%, var(--amber-500) 0%, transparent 80%),
    radial-gradient(circle at 60% 20%, var(--amber-200) 0%, transparent 80%),
    radial-gradient(circle at 40% 80%, var(--amber-600) 0%, transparent 80%);
  opacity: var(--glow-opacity);
  animation: bgMove 18s linear infinite;
}

@keyframes bgMove {
  0% {
    background-position:
      0% 0%,
      100% 100%,
      80% 0%,
      0% 80%;
  }
  50% {
    background-position:
      40% 60%,
      60% 40%,
      20% 80%,
      80% 20%;
  }
  100% {
    background-position:
      0% 0%,
      100% 100%,
      80% 0%,
      0% 80%;
  }
}

/* Media defaults & embeds (typography now lives in base.css) */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
}

iframe {
  margin-bottom: var(--space-6);
}

.wrap {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
}

/* Pages whose <main> is the reading column get breathing room under the nav. */
main.wrap {
  padding-top: var(--space-8);
  padding-bottom: var(--space-9);
}

#arcade {
  position: relative;
  width: 643px;
  height: 800px;
  background-image: url('../images/handheld-gameset.png');
}
#snake-game {
  position: absolute;
  top: 100px;
  left: 123px;
  border: 1px solid #ffffff;
  border-radius: 24px;
  background-color: rgba(255,255,255,0.5);
  box-shadow: 2px 2px 12px rgba(255,255,255,0.5);
  width: 398px;
  height: 444px;
  animation: glow .51s ease-in infinite alternate;
}

#snake-canvas {
  border-radius: 24px;
  overflow: hidden;
}

@keyframes glow {
  0% {
    box-shadow: 0 0 8px rgba(255, 255, 255, 0.5);
  }
  100% {
    box-shadow: 0 0 9px rgba(255, 255, 255, 1);
  }
}

/* #snake-game::before {
  content: "";
  position: absolute;
  z-index: -1;
  display: block;
  width: 723px;
  height: 900px;
  background-image: url('../images/handheld-gameset.png');
} */

.social-nav {
  display: block;
}
@media screen and (min-width: 640px) {
  .social-nav {
    /* position: fixed; */
    display: block;
    /* left: 1em; */
    /* top: 50%; */
    /* transform: translate3d(0, -50%, 0); */
  }
  .social-nav-item {
    display: block;
  }
}
.social-nav-item {
  font-size: 1.5rem;
  display: inline;
  margin-right: 1em;
  transition: all 0.2s ease-out;
}
.social-nav-item:hover {
  transform: scale3d(1.5, 1.5, 2);
  text-decoration: none;
}
.social-nav-item-icon {
  font-size: 1.5em;
}
.social-nav-item-label {
  display: none;
}

.pagination {
  display: flex;
  justify-content: space-between;
}

/**
 * Taxnomies
 */

.taxonomy.tag::after {
  content: ", ";
}

/* palette */

.palette {
  display: flex;
}
.square {
  width: 10%;
  height: 20px;
  opacity: 0.25;
  transition: all 0.2s ease-in-out;
}
.square:hover {
  opacity: 1;
  /* border-radius: 100%;
  border-bottom-left-radius: 0;
  border-bottom-right-radius: 0; */
  /* transform: scale3d(1.5, 1.5, 2); */
}

.only-desktop {
  display: block;
}

@media screen and (max-width: 640px) {
  h1 {
    font-size: 35px;
  }
  .only-desktop {
    display: none !important;
  }
}

/* =========================================================
   Theme toggle (light/dark)
   ========================================================= */
.theme-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1);
  margin-left: var(--space-3);
  border: none;
  background: transparent;
  color: var(--color-text);
  cursor: pointer;
  border-radius: var(--radius-full);
  vertical-align: middle;
  transition: color var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard);
}
.theme-toggle:hover {
  color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 14%, transparent);
}
.theme-toggle__icon {
  display: none;
}
/* Light is the default effective theme → show the moon (switch-to-dark). */
.theme-toggle__icon--moon {
  display: block;
}
/* Explicit dark → show the sun. */
:root[data-theme="dark"] .theme-toggle__icon--moon {
  display: none;
}
:root[data-theme="dark"] .theme-toggle__icon--sun {
  display: block;
}
/* OS dark and not explicitly overridden to light → show the sun. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .theme-toggle__icon--moon {
    display: none;
  }
  :root:not([data-theme="light"]) .theme-toggle__icon--sun {
    display: block;
  }
}
/* Explicit light wins over OS dark → keep the moon. */
:root[data-theme="light"] .theme-toggle__icon--moon {
  display: block;
}
:root[data-theme="light"] .theme-toggle__icon--sun {
  display: none;
}

/* =========================================================
   Phase 5 — Component polish
   ========================================================= */

/* =========================================================
   Site navigation — full-bleed sticky bar with brand,
   links, and right-aligned utilities.
   ========================================================= */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 20;
  background: color-mix(in srgb, var(--color-bg) 82%, transparent);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--color-border);
}
.site-nav__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-3) clamp(1rem, 5vw, 2rem);
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

/* Brand: monogram mark + wordmark */
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  color: var(--color-heading);
  font-weight: 700;
}
.brand:hover {
  text-decoration: none;
}
.brand__mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-full);
  overflow: hidden;
  background: var(--color-accent);
  box-shadow: var(--shadow-sm);
}
.brand__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.brand__name {
  font-family: var(--font-serif);
  font-size: var(--fs-300);
  letter-spacing: -0.01em;
}

.site-nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}
.site-nav__link {
  position: relative;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--fs-100);
  font-weight: 700;
  letter-spacing: 0.02em;
  padding-block: var(--space-2);
  transition: color var(--dur-fast) var(--ease-standard);
}
.site-nav__link:hover {
  color: var(--color-heading);
  text-decoration: none;
}
.site-nav__link.is-active {
  color: var(--color-heading);
}
.site-nav__link.is-active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -2px;
  height: 2px;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}

.site-nav__utils {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-left: auto;
  padding-left: var(--space-4);
  border-left: 1px solid var(--color-border);
}

@media (max-width: 640px) {
  .site-nav__inner {
    gap: var(--space-4);
  }
  .brand__name {
    display: inline;
    font-size: var(--fs-200);
  }
  .site-nav__links {
    gap: var(--space-4);
  }
  .site-nav__utils {
    gap: var(--space-3);
    padding-left: var(--space-3);
  }
}

/* =========================================================
   Eyebrow label — small amber-dot section marker.
   ========================================================= */
.eyebrow {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin: 0 0 var(--space-3);
  font-family: var(--font-sans);
  font-size: var(--fs-100);
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.eyebrow::before {
  content: "";
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}
.eyebrow--on-accent {
  color: color-mix(in srgb, var(--color-accent-contrast) 70%, transparent);
}
.eyebrow--on-accent::before {
  background: var(--color-accent-contrast);
}

/* =========================================================
   Buttons
   ========================================================= */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-5);
  font-family: var(--font-sans);
  background: var(--color-accent);
  color: var(--color-accent-contrast);
  border-radius: var(--radius-full);
  font-weight: 700;
  text-decoration: none;
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-fast) var(--ease-standard),
    box-shadow var(--dur-fast) var(--ease-standard);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  color: var(--color-accent-contrast);
  text-decoration: none;
}
.btn-primary span {
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.btn-primary:hover span {
  transform: translateX(4px);
}
.btn-primary--invert {
  background: var(--color-accent-contrast);
  color: var(--color-accent);
}
.btn-primary--invert:hover {
  color: var(--color-accent);
}
.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-sans);
  color: var(--color-heading);
  border-radius: var(--radius-full);
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--color-border);
  transition: border-color var(--dur-fast) var(--ease-standard),
    background var(--dur-fast) var(--ease-standard);
}
.btn-ghost:hover {
  text-decoration: none;
  border-color: color-mix(in srgb, var(--color-accent) 55%, var(--color-border));
  background: color-mix(in srgb, var(--color-accent) 8%, transparent);
}

/* =========================================================
   Homepage sections
   ========================================================= */
.home > .section {
  margin-top: var(--space-section);
}
.home > .wrap:first-child {
  padding-top: var(--space-8);
}
.section__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.section__title {
  margin: 0;
}
.section__more {
  flex: none;
  font-family: var(--font-sans);
  color: var(--color-text-muted);
  font-size: var(--fs-100);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
}
.section__more span {
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.section__more:hover {
  color: var(--color-link-hover);
  text-decoration: none;
}
.section__more:hover span {
  transform: translateX(3px);
}

/* =========================================================
   Hero
   ========================================================= */
.hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
  padding: 0;
}

.hero__body {
  max-width: 52rem;
}
.hero__name {
  margin: 0 0 var(--space-4);
  font-family: var(--font-display);
  font-weight: 650;
  letter-spacing: -0.018em;
  line-height: 0.95;
  font-size: var(--fs-800);
}
.hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.12rem, 1.02rem + 0.35vw, 1.34rem);
  letter-spacing: 0.003em;
  line-height: 1.62;
  margin-bottom: var(--space-5);
  max-width: 46ch;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

/* Header typeface explorations.
   Swap class in Header.astro on <header>:
   hero--type-monument | hero--type-editorial | hero--type-contemporary | hero--type-quiet */
.hero--type-monument .hero__name {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 0.92;
}

.hero--type-monument .hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.14rem, 1.02rem + 0.38vw, 1.38rem);
  line-height: 1.6;
}

.hero--type-editorial .hero__name {
  font-family: var(--font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1;
}

.hero--type-editorial .hero__lead {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(1.08rem, 1.01rem + 0.3vw, 1.28rem);
  color: color-mix(in srgb, var(--color-text) 88%, var(--color-text-muted));
}

.hero--type-contemporary .hero__name {
  font-family: var(--font-sans);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 0.94;
}

.hero--type-contemporary .hero__lead {
  font-family: var(--font-sans);
  font-size: clamp(1.03rem, 0.99rem + 0.28vw, 1.2rem);
  letter-spacing: -0.006em;
  line-height: 1.58;
}

.hero--type-quiet .hero__name {
  font-family: var(--font-display);
  font-weight: 550;
  letter-spacing: -0.012em;
  line-height: 0.98;
}

.hero--type-quiet .hero__lead {
  font-family: var(--font-serif);
  font-size: clamp(1.02rem, 0.97rem + 0.25vw, 1.15rem);
  color: var(--color-text-muted);
  line-height: 1.68;
}

@media (max-width: 640px) {
  .hero__name {
    line-height: 0.97;
  }
  .hero--type-contemporary .hero__name {
    letter-spacing: -0.022em;
  }
}

/* =========================================================
   Book promo band — full-bleed tinted strip.
   ========================================================= */
.book-band {
  margin-top: var(--space-section);
  padding-block: var(--space-8);
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-bg));
  border-block: 1px solid color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
}
.book-band__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  align-items: center;
}
@media (min-width: 640px) {
  .book-band__inner {
    grid-template-columns: 200px 1fr;
    gap: var(--space-7);
  }
}
.book-band__cover img {
  display: block;
  width: 100%;
  max-width: 200px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  object-position: center;
  border-radius: var(--radius-md);
  border: 1px solid color-mix(in srgb, var(--color-accent) 30%, var(--color-border));
  box-shadow: var(--shadow-lg);
}
@media (min-width: 640px) {
  .book-band__cover img {
    max-width: none;
  }
}
.book-band__title {
  margin: 0 0 var(--space-3);
  font-size: var(--fs-600);
}
.book-band__text {
  margin: 0 0 var(--space-5);
  color: var(--color-text);
}

/* =========================================================
   Playground
   ========================================================= */
.playground .only-desktop {
  margin-top: 0;
}

/* =========================================================
   404 page
   ========================================================= */
.not-found {
  min-height: 56vh;
  display: grid;
  align-content: center;
  gap: var(--space-4);
}

.not-found h1 {
  margin: 0;
  max-width: 18ch;
}

.not-found__lead {
  max-width: 54ch;
}

.not-found__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

/* =========================================================
   Site footer — three columns + a bottom bar.
   ========================================================= */
.site-footer {
  margin-top: var(--space-section);
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
}
.site-footer__inner {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-8) clamp(1rem, 5vw, 2rem) var(--space-6);
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}
@media (min-width: 640px) {
  .site-footer__inner {
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: var(--space-7);
  }
}
.site-footer__tagline {
  margin: var(--space-4) 0 0;
  max-width: 34ch;
  color: var(--color-text-muted);
  font-size: var(--fs-100);
}
.site-footer__heading {
  margin: 0 0 var(--space-4);
  font-family: var(--font-sans);
  font-size: var(--fs-100);
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}
.site-footer__col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}
.site-footer__col a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  color: var(--color-text);
  text-decoration: none;
  font-size: var(--fs-200);
}
.site-footer__col a:hover {
  color: var(--color-link-hover);
}
.site-footer__bar {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-4) clamp(1rem, 5vw, 2rem) var(--space-7);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
}
.site-footer__copy {
  margin: 0;
  color: var(--color-text-muted);
  font-size: var(--fs-100);
}
.site-footer__top {
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: var(--fs-100);
  font-weight: 700;
}
.site-footer__top:hover {
  color: var(--color-link-hover);
}

/* Article cards */
.articles {
  display: grid;
  gap: var(--space-5);
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-5) var(--space-6);
  box-shadow: var(--shadow-sm);
  transition: transform var(--dur-med) var(--ease-standard),
    box-shadow var(--dur-med) var(--ease-standard),
    border-color var(--dur-med) var(--ease-standard);
}
.card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
  border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border));
}

/* Featured (lead) article gets a larger title. */
.card--featured {
  padding: var(--space-6) var(--space-7);
}
.card--featured .card__meta::before {
  content: "";
  flex: 0 0 auto;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: var(--radius-full);
  background: var(--color-accent);
}
.card--featured .card__title {
  font-size: var(--fs-600);
  max-width: 24ch;
}
.card--featured .card__excerpt {
  font-size: var(--fs-300);
  color: var(--color-text);
}

.card__meta,
.post-meta {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  max-width: none;
  font-size: var(--fs-100);
  color: var(--color-text-muted);
}
.card__meta {
  margin: 0 0 var(--space-2);
}
.card__dot,
.post-meta__dot {
  color: var(--color-accent);
}
.card__title {
  margin-top: 0;
  margin-bottom: var(--space-2);
}
.card__excerpt {
  margin-bottom: var(--space-3);
  color: var(--color-text-muted);
}
.card__more {
  font-size: var(--fs-100);
  font-weight: 700;
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
  color: var(--color-link-hover);
  text-decoration: none;
}
.card__more span {
  display: inline-block;
  transition: transform var(--dur-fast) var(--ease-standard);
}
.card__more:hover span {
  transform: translateX(4px);
}

/* Post metadata row */
.post-meta {
  margin: 0 0 var(--space-5);
}

/* Tag pills */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  max-width: none;
  margin: var(--space-7) 0 0;
  padding: var(--space-5) 0 0;
  border-top: 1px solid var(--color-border);
}
.tag-list li {
  margin: 0;
}
.tag-pill {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  font-size: var(--fs-100);
  color: var(--color-text-muted);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-standard),
    background-color var(--dur-fast) var(--ease-standard),
    border-color var(--dur-fast) var(--ease-standard);
}
.tag-pill:hover {
  color: var(--color-accent-contrast);
  background: var(--color-accent);
  border-color: var(--color-accent);
}

/* =========================================================
   Phase 6 — Motion & interaction
   ========================================================= */

/* Reading-progress bar (long-form pages) */
.reading-progress {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  z-index: 30;
  background: transparent;
  pointer-events: none;
}
.reading-progress__bar {
  width: 0;
  height: 100%;
  background: var(--color-accent);
  transition: width 80ms linear;
}

/* Scroll-reveal — only active when JS opts in AND motion is allowed.
   Default (no-JS / reduced-motion) leaves everything fully visible. */
@media (prefers-reduced-motion: no-preference) {
  .js-reveal .card,
  .js-reveal [data-reveal] {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity var(--dur-slow) var(--ease-standard),
      transform var(--dur-slow) var(--ease-standard);
  }
  .js-reveal .card.is-visible,
  .js-reveal [data-reveal].is-visible {
    opacity: 1;
    transform: none;
  }
}