/* ---------- Design 1 — Fraunces / Newsreader notebook ---------- */

/* Minimal reset (mirrors the bits of Tailwind preflight we rely on) */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body { min-height: 100vh; }
h1, h2, h3, h4, h5, h6, p, blockquote, figure { margin: 0; }
ol, ul { list-style: none; margin: 0; padding: 0; }
img, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }

:root{
  /* warm palette — ink/ink-2/ink-3 hierarchy matches reference */
  --paper:   oklch(0.965 0.018 82);
  --paper-2: oklch(0.94 0.022 82);
  --ink:     oklch(0.22 0.02 60);
  --ink-2:   oklch(0.40 0.02 60);
  --ink-3:   oklch(0.55 0.015 60);
  --muted:   oklch(0.40 0.02 60);      /* alias → ink-2 */
  --muted-sm:oklch(0.55 0.015 60);     /* alias → ink-3 */
  --rule:    oklch(0.88 0.02 82);
  --accent:  oklch(0.72 0.15 65);      /* amber */
  --highlight: oklch(0.92 0.10 90);
  --hair:    0.5px;

  /* Font stacks — mirror reference's --f-serif / --f-prose / --f-sans */
  --f-serif: 'Fraunces', 'Instrument Serif', Georgia, serif;
  --f-prose: 'Newsreader', Georgia, serif;
  --f-sans:  'JetBrains Mono', ui-monospace, monospace;

  /* Airy rhythm — matches reference's data-density="airy" */
  --gap:     44px;
  --gap-sm:  20px;
  --rhythm:  1.75;
  --maxw:    780px;

  /* Type scale — desktop */
  --fs-micro: 12px;   /* mono labels, meta, dates, tags */
  --fs-minor: 17px;   /* secondary prose in lists (excerpt, what) */
  --fs-body:  17px;   /* body copy — matches reference */
  --fs-note:  19px;   /* list titles, blockquote, brand */
  --fs-lead:  22px;   /* intro lede, section names, h3 */
  --fs-h2:    26px;
  --fs-h1:    34px;
  --fs-h1-xl: 40px;   /* display at ≥640px */
}
.dark{
  /* ink palette — matches reference [data-theme="ink"] */
  --paper:   oklch(0.19 0.01 80);
  --paper-2: oklch(0.23 0.012 80);
  --ink:     oklch(0.94 0.01 80);
  --ink-2:   oklch(0.75 0.01 80);
  --ink-3:   oklch(0.58 0.01 80);
  --muted:   oklch(0.75 0.01 80);
  --muted-sm:oklch(0.58 0.01 80);
  --rule:    oklch(0.30 0.012 80);
  --accent:  oklch(0.78 0.14 65);      /* amber, brightened for dark */
  --highlight: color-mix(in oklab, var(--accent) 32%, transparent);
}

html{ scroll-padding-top: 88px; }
html, body{ background: var(--paper); color: var(--ink); }
body{
  font-family: var(--f-prose);
  font-optical-sizing: auto;
  font-feature-settings: "ss01","liga","onum","kern";
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-size: var(--fs-body);
  line-height: var(--rhythm);
}

.display{
  font-family: var(--f-serif);
  font-optical-sizing: auto;
  letter-spacing: -0.01em;
  line-height: 1.02;
}

.mono{
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}

.rule-b{ border-bottom: var(--hair) solid var(--rule); }
.rule-t{ border-top: var(--hair) solid var(--rule); }

::selection{ background: var(--accent); color: var(--paper); }

a { color: inherit; text-decoration: none; }
a:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 4px;
  border-radius: 2px;
}

.navlink{
  position: relative;
  transition: color .2s ease, border-color .2s ease;
  border-bottom: 1px solid transparent;
}
.navlink:hover{ color: var(--ink); }
.d1-nav .navlink{ padding: 4px 0; }
.d1-nav .navlink.active{ color: var(--ink); border-bottom-color: var(--accent); }

/* Theme control — Tabler-style moon / sun (steipete.me) + system (desktop) */
.theme-toggle{
  position: relative;
  flex-shrink: 0;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  margin: 0;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--ink-3);
  cursor: pointer;
  transition: color .2s ease;
}
.theme-toggle:hover{ color: var(--ink); }
.theme-toggle:focus-visible{
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}
.theme-toggle__icon{
  position: absolute;
  left: 50%;
  top: 50%;
  display: block;
  opacity: 0;
  transform: translate(-50%, -50%) scale(.88) rotate(-6deg);
  transition: opacity .2s ease, transform .2s ease;
  pointer-events: none;
}
html[data-theme="auto"] .theme-toggle__icon--system{
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
}
/* Icons reflect current appearance: light → sun, dark → moon (not “next tap”). */
html[data-theme="light"] .theme-toggle__icon--sun{
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
}
html[data-theme="dark"] .theme-toggle__icon--moon{
  opacity: 1;
  transform: translate(-50%, -50%) scale(1) rotate(0deg);
}

/* Writing list row */
.row{
  display: grid;
  grid-template-columns: 88px 1fr 18px;
  align-items: baseline;
  gap: 18px;
  padding: calc(var(--gap-sm) + 2px) 0;
  border-bottom: var(--hair) solid var(--rule);
  transition: transform .5s cubic-bezier(.2,.7,.2,1);
}
.row:hover{ transform: translateX(2px); }
.row .date{
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.row .title{
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: 19px;
  line-height: 1.22;
  color: var(--ink);
  letter-spacing: -0.01em;
}
.row .excerpt{
  margin-top: 4px;
  font-family: var(--f-prose);
  font-weight: 400;
  font-size: var(--fs-minor);
  line-height: 1.45;
  color: var(--ink-2);
}
.row .arrow{
  font-family: var(--f-serif);
  color: var(--ink-3);
  opacity: 0;
  transform: translateX(-4px);
  transition: transform .5s cubic-bezier(.2,.7,.2,1), opacity .4s ease, color .3s ease;
  font-size: var(--fs-body);
  align-self: center;
}
.row:hover .arrow{ opacity: 1; transform: translateX(0); color: var(--accent); }
.row:hover .title{
  background-image: linear-gradient(var(--accent),var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 92%;
}

.year{
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 10px;
}

/* Prose (reading view) */
.prose{ max-width: 62ch; }
.prose p{ margin-top: 1.1em; }
.prose p:first-of-type{ margin-top: 0; }
.prose h1, .prose h2, .prose h3{
  font-family: var(--f-serif);
  letter-spacing: -0.01em;
  line-height: 1.08;
  color: var(--ink);
}
.prose h1{ font-size: var(--fs-h1); font-weight: 500; margin-bottom: .25em; }
@media (min-width: 640px){ .prose h1{ font-size: var(--fs-h1-xl); } }
.prose h2{ font-size: var(--fs-h2); font-weight: 500; margin-top: 1.8em; margin-bottom: .4em; }
.prose h3{ font-size: var(--fs-lead); font-weight: 500; margin-top: 1.6em; margin-bottom: .3em; }
.prose a{
  color: var(--ink);
  background-image: linear-gradient(var(--accent),var(--accent));
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 95%;
  transition: background-size .4s ease;
}
.prose a:hover{ background-size: 100% 2px; }
.prose h1 a, .prose h2 a, .prose h3 a{
  background: none;
  color: inherit;
}
.prose h1 a:hover, .prose h2 a:hover, .prose h3 a:hover{
  background: none;
  color: var(--accent);
}
.prose ul, .prose ol{ margin-top: 1.1em; padding-left: 1.4em; }
.prose ul li{ list-style: disc; }
.prose ol li{ list-style: decimal; }
.prose li + li{ margin-top: .35em; }
.prose blockquote{
  margin: 1.6em 0;
  padding-left: 1.1em;
  border-left: 1px solid var(--accent);
  font-style: italic;
  color: var(--ink-2);
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: var(--fs-note);
  line-height: 1.4;
}
.prose code{
  font-family: var(--f-sans);
  font-size: .86em;
  background: var(--paper-2);
  border: var(--hair) solid var(--rule);
  padding: 1px 6px;
  border-radius: 3px;
  color: var(--ink-2);
}
.prose pre{
  font-family: var(--f-sans);
  font-size: 13.5px;
  line-height: 1.55;
  background: var(--paper-2);
  border: var(--hair) solid var(--rule);
  padding: 14px 16px;
  border-radius: 4px;
  overflow-x: auto;
  margin-top: 1.1em;
}
.prose pre code{ background: transparent; border: 0; padding: 0; }
.prose img{ max-width: 100%; border-radius: 2px; margin-top: 1.1em; }
.prose hr{
  border: 0;
  border-top: var(--hair) solid var(--rule);
  margin: 2.2em 0;
}
.prose sup a{ background: none; font-size: .72em; color: var(--accent); padding-left: 1px; }

/* Inline separator dot for nav */
.sep{
  display: inline-block;
  width: 3px; height: 3px;
  border-radius: 999px;
  background: var(--rule);
  vertical-align: middle;
  margin: 0 10px 2px 10px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.rise{ animation: rise .7s cubic-bezier(.2,.65,.2,1) both; }

.portrait{
  width: 140px;
  height: 140px;
  object-fit: cover;
  object-position: 62% 36%;
  border-radius: 2px;
  margin-top: 9px;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--ink) 14%, transparent),
    0 0 0 7px color-mix(in srgb, var(--accent) 7%, transparent),
    0 22px 50px -18px rgba(23,21,19,.32);
}
.dark .portrait{
  box-shadow:
    0 0 0 1px rgba(247,241,224,.18),
    0 0 0 7px rgba(247,241,224,.045),
    0 24px 60px -18px rgba(0,0,0,.8);
}

/* Now / projects */
.projects{ list-style: none; padding: 0; margin: 0; }
.proj{
  display: grid;
  grid-template-columns: 28px 1fr 120px;
  gap: 20px;
  padding: calc(var(--gap-sm) + 8px) 0;
  border-top: var(--hair) solid var(--rule);
  align-items: baseline;
}
.projects li:last-child .proj{ border-bottom: var(--hair) solid var(--rule); }
.proj .num{
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  padding-top: 6px;
}
.proj .body .name{
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: var(--fs-lead);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-block;
  transition: color .2s ease;
}
.proj .body a.name:hover{
  background-image: linear-gradient(var(--accent),var(--accent));
  background-repeat: no-repeat;
  background-size: 100% 1px;
  background-position: 0 94%;
}
.proj .body .name .suf{
  color: var(--ink-3);
  font-style: italic;
  font-weight: 400;
}
.proj .body .what{
  display: block;
  margin-top: 4px;
  font-family: var(--f-prose);
  font-weight: 400;
  font-size: var(--fs-minor);
  line-height: 1.45;
  color: var(--ink-2);
  max-width: 52ch;
}
.proj .body .inline-arrow{
  display: inline-block;
  margin-top: 10px;
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  border-bottom: 1px solid var(--ink);
  padding-bottom: 1px;
  transition: color .2s ease, border-color .2s ease;
}
.proj .body .inline-arrow:hover{ color: var(--accent); border-color: var(--accent); }
.proj .status{
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
  text-align: right;
  padding-top: 6px;
}
.proj .status .dot{
  display: inline-block;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
  vertical-align: 1px;
  animation: proj-pulse 2.4s ease-in-out infinite;
}
@keyframes proj-pulse{
  0%,100% { opacity: 1; }
  50% { opacity: .4; }
}
.proj .status .tag{
  display: block;
  color: var(--ink-3);
  margin-top: 4px;
  letter-spacing: .08em;
}


/* Social chips */
.social{
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-2);
  padding: 4px 0;
  transition: color .3s ease, transform .4s ease;
}
.social svg{
  color: var(--ink-3);
  transition: color .3s ease, transform .4s cubic-bezier(.2,.7,.2,1);
  flex-shrink: 0;
}
.social:hover{ color: var(--ink); }
.social:hover svg{ color: var(--accent); transform: translateY(-1px); }

.tnum{ font-variant-numeric: tabular-nums; }

a, button { -webkit-tap-highlight-color: transparent; }

@media (max-width: 640px){
  :root{
    /* Type scale — mobile */
    --fs-micro: 15px;
    --fs-minor: 19px;
    --fs-body:  17px;
    --fs-note:  19px;
    --fs-lead:  21px;
    --fs-h2:    24px;
    --fs-h1:    30px;
    --fs-h1-xl: 30px;

    /* Softer airy rhythm on mobile */
    --gap:     32px;
    --gap-sm:  16px;
    --rhythm:  1.65;

    --ink-2:    oklch(0.36 0.02 60);
    --ink-3:    oklch(0.48 0.018 60);
    --muted:    oklch(0.36 0.02 60);
    --muted-sm: oklch(0.48 0.018 60);
  }
  .dark{
    --ink-2:    oklch(0.78 0.01 80);
    --ink-3:    oklch(0.65 0.01 80);
    --muted:    oklch(0.78 0.01 80);
    --muted-sm: oklch(0.65 0.01 80);
  }
  .portrait{ width: 96px; height: 96px; }
  .proj{
    grid-template-columns: 22px 1fr;
    gap: 12px;
    padding: 18px 0;
  }
  .proj .status{
    grid-column: 2;
    text-align: left;
    padding-top: 0;
    margin-top: 4px;
  }
  .proj .status .tag{ display: inline; margin-top: 0; margin-left: 8px; }
  .proj .body .name{ font-size: 22px; }
  .proj .body .what{ line-height: 1.5; }
  .sect-title{ font-size: 22px; }
  .sect-title .no{ font-size: 12px; }
  .row{
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 16px 0;
  }
  .row .arrow{ display: none; }
  .row .date{ order: -1; }
  .row .title{ font-size: 22px; }
  .row .excerpt{ line-height: 1.5; }
  .d1-meta-row{
    font-size: 12px;
    letter-spacing: .06em;
    gap: 10px;
    flex-wrap: wrap;
    row-gap: 6px;
  }
  .d1-meta-row > span:not(.sep),
  .d1-meta-row > a{ white-space: nowrap; }
  .d1-meta-row .sep{ margin: 0; flex-shrink: 0; }
  .prose p{ font-size: var(--fs-minor); line-height: 1.6; }
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in oklab, var(--paper) 86%, transparent);
  backdrop-filter: saturate(140%) blur(10px);
  -webkit-backdrop-filter: saturate(140%) blur(10px);
}

/* Layout helpers (avoid pulling Tailwind CDN at runtime) */
.d1-wrap{
  max-width: var(--maxw);
  margin: 0 auto;
  padding-left: max(28px, env(safe-area-inset-left));
  padding-right: max(28px, env(safe-area-inset-right));
}
@media (min-width: 640px){
  .d1-wrap{
    padding-left: max(32px, env(safe-area-inset-left));
    padding-right: max(32px, env(safe-area-inset-right));
  }
}
.d1-topbar-inner{
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 24px;
  padding-bottom: 20px;
}
.d1-brand{
  font-family: var(--f-serif);
  font-size: var(--fs-note);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
}
.d1-brand .brand-dot{
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--accent);
  display: inline-block;
  transform: translateY(-1px);
  flex-shrink: 0;
}
.d1-nav-right{ display: flex; align-items: center; gap: 18px; }
.d1-nav{
  display: flex;
  align-items: center;
  gap: 22px;
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-2);
}
.d1-intro{
  padding-top: 64px;
  padding-bottom: var(--gap);
  display: flex;
  flex-direction: column;
  gap: 32px;
  border-bottom: var(--hair) solid var(--rule);
}
@media (min-width: 640px){
  .d1-intro{
    padding-top: calc(var(--gap) * 1.8);
    padding-bottom: var(--gap);
    flex-direction: row;
    gap: 40px;
    align-items: flex-start;
  }
}
.d1-lede{
  font-family: var(--f-prose);
  font-weight: 400;
  font-size: 18px;
  line-height: 1.55;
  max-width: 54ch;
  color: var(--ink);
}
.d1-lede .name{ color: var(--ink); font-weight: 600; }
.d1-lede .mark{
  background-image: linear-gradient(transparent 62%, var(--highlight) 62%);
  background-repeat: no-repeat;
  padding: 0 2px;
  color: var(--ink);
}
.d1-social-row{
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  column-gap: 20px;
  row-gap: 8px;
}
.d1-meta-row{
  margin-top: 12px;
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.d1-section{
  padding-top: var(--gap);
  padding-bottom: calc(var(--gap) * 1.5);
}
@media (min-width: 640px){
  .d1-section{
    padding-top: calc(var(--gap) * 1.2);
    padding-bottom: calc(var(--gap) * 2);
  }
}
.d1-archive{
  padding-top: 64px;
  padding-bottom: calc(var(--gap) * 2);
}
@media (min-width: 640px){
  .d1-archive{
    padding-top: calc(var(--gap) * 1.8);
    padding-bottom: calc(var(--gap) * 2.5);
  }
}
.d1-archive .d1-section-head{
  margin-bottom: calc(var(--gap) * 1.1);
  padding-bottom: var(--gap-sm);
  border-bottom: var(--hair) solid var(--rule);
}
.d1-archive .archive-category{
  font-family: var(--f-serif);
  font-size: var(--fs-lead);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  margin: 0;
  padding-top: calc(var(--gap) * 1.2);
  padding-bottom: 4px;
  border-top: var(--hair) solid var(--rule);
  text-transform: lowercase;
}
.d1-archive .archive-category:first-of-type{
  border-top: 0;
  padding-top: 0;
}
.d1-section-head{
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: var(--gap);
}
.sect-title{
  font-family: var(--f-serif);
  font-size: var(--fs-h2);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
  line-height: 1.1;
  margin: 0;
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
}
.sect-title .no{
  font-family: var(--f-sans);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-3);
  font-weight: 400;
}
.sect-aside{
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.sect-aside a{ color: inherit; border-bottom: 1px solid transparent; transition: color .2s, border-color .2s; }
.sect-aside a:hover{ color: var(--ink); border-bottom-color: var(--accent); }
.d1-now-blurb{
  font-family: var(--f-prose);
  color: var(--ink-2);
  font-weight: 400;
  font-size: 16px;
  line-height: 1.55;
  max-width: 56ch;
  margin-bottom: var(--gap);
}
/* Blurb reads bigger on mobile than desktop — deliberate for phone readability. */
@media (max-width: 640px){
  .d1-now-blurb{ font-size: var(--fs-minor); line-height: 1.5; }
}
.d1-now-cta{
  margin-top: var(--gap);
  font-family: var(--f-prose);
  font-weight: 400;
  font-size: var(--fs-minor);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 56ch;
}
.d1-now-cta a{
  color: var(--ink);
  background-image: linear-gradient(var(--accent),var(--accent));
  background-size: 100% 1px;
  background-repeat: no-repeat;
  background-position: 0 95%;
  transition: background-size .4s ease;
}
.d1-now-cta a:hover{ background-size: 100% 2px; }
@media (max-width: 640px){
  .d1-now-cta{ line-height: 1.5; }
}
.d1-latest-title{
  font-family: var(--f-serif);
  font-weight: 500;
  font-size: var(--fs-h1);
  line-height: 1.05;
  letter-spacing: -0.01em;
  margin-bottom: 8px;
  color: var(--ink);
}
@media (min-width: 640px){ .d1-latest-title{ font-size: var(--fs-h1-xl); } }
.d1-footer{
  margin-top: calc(var(--gap) * 1.5);
  border-top: var(--hair) solid var(--rule);
}
.d1-footer-inner{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  row-gap: 12px;
  column-gap: 24px;
  padding-top: var(--gap);
  padding-bottom: calc(var(--gap) * 1.5);
  font-family: var(--f-sans);
  font-size: var(--fs-micro);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-3);
}
.d1-footer-copy{ text-align: right; }